From 1698e8a3b6ea0a814d3da24647375d63199d5895 Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Tue, 2 Jul 2024 14:44:14 +0100
Subject: [PATCH 01/11] changed nginx port to 3001

---
 docker-compose.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index b30cd5728..39a2e54c2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ services:
             - "./etc/nginx/default.template.conf:/etc/nginx/conf.d/default.template"
         ports:
             - "8000:80"
-            - "3000:443"
+            - "3001:443"
         environment:
             - NGINX_HOST=${NGINX_HOST}
         command: /bin/sh -c "envsubst '$$NGINX_HOST' < /etc/nginx/conf.d/default.template > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'"

From 8ac393bc7428442431d3a1219993fba701bfe463 Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Tue, 2 Jul 2024 14:54:28 +0100
Subject: [PATCH 02/11] updated readme

---
 README.md | 64 +++++++++++++++++++++++++++----------------------------
 1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/README.md b/README.md
index faae0b8b9..b9651af97 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ ___
 
 To run the docker commands without using **sudo** you must add the **docker** group to **your-user**:
 
-```
+```bash
 sudo usermod -aG docker your-user
 ```
 
@@ -52,7 +52,7 @@ All requisites should be available for your distribution. The most important are
 
 Check if `docker-compose` is already installed by entering the following command : 
 
-```sh
+```bash
 which docker-compose
 ```
 
@@ -62,13 +62,13 @@ Check Docker Compose compatibility :
 
 The following is optional but makes life more enjoyable :
 
-```sh
+```bash
 which make
 ```
 
 On Ubuntu and Debian these are available in the meta-package build-essential. On other distributions, you may need to install the GNU C++ compiler separately.
 
-```sh
+```bash
 sudo apt install build-essential
 ```
 
@@ -98,19 +98,19 @@ ___
 
 To install [Git](http://git-scm.com/book/en/v2/Getting-Started-Installing-Git), download it and install following the instructions :
 
-```sh
+```bash
 git clone https://github.com/nanoninja/docker-nginx-php-mysql.git
 ```
 
 Go to the project directory :
 
-```sh
+```bash
 cd docker-nginx-php-mysql
 ```
 
 ### Project tree
 
-```sh
+```bash
 .
 ├── Makefile
 ├── README.md
@@ -150,7 +150,7 @@ If you modify the host name, do not forget to add it to the `/etc/hosts` file.
 
 1. Generate SSL certificates
 
-    ```sh
+    ```bash
     source .env && docker run --rm -v $(pwd)/etc/ssl:/certificates -e "SERVER=$NGINX_HOST" jacoelho/generate-certificate
     ```
 
@@ -160,7 +160,7 @@ If you modify the host name, do not forget to add it to the `/etc/hosts` file.
 
     Edit nginx file `etc/nginx/default.template.conf` and uncomment the SSL server section :
 
-    ```sh
+    ```bash
     # server {
     #     server_name ${NGINX_HOST};
     #
@@ -180,7 +180,7 @@ For a better integration of Docker to PHPStorm, use the [documentation](https://
 
 1. Get your own local IP address :
 
-    ```sh
+    ```bash
     sudo ifconfig
     ```
 
@@ -188,7 +188,7 @@ For a better integration of Docker to PHPStorm, use the [documentation](https://
 
 3. Set the `remote_host` parameter with your IP :
 
-    ```sh
+    ```bash
     xdebug.remote_host=192.168.0.1 # your IP
     ```
 ___
@@ -197,19 +197,19 @@ ___
 
 1. Copying the composer configuration file : 
 
-    ```sh
+    ```bash
     cp web/app/composer.json.dist web/app/composer.json
     ```
 
 2. Start the application :
 
-    ```sh
+    ```bash
     docker-compose up -d
     ```
 
     **Please wait this might take a several minutes...**
 
-    ```sh
+    ```bash
     docker-compose logs -f # Follow log output
     ```
 
@@ -221,7 +221,7 @@ ___
 
 4. Stop and clear services
 
-    ```sh
+    ```bash
     docker-compose down -v
     ```
 
@@ -250,13 +250,13 @@ When developing, you can use [Makefile](https://en.wikipedia.org/wiki/Make_(soft
 
 Start the application :
 
-```sh
+```bash
 make docker-start
 ```
 
 Show help :
 
-```sh
+```bash
 make help
 ```
 
@@ -266,49 +266,49 @@ ___
 
 ### Installing package with composer
 
-```sh
+```docker
 docker run --rm -v $(pwd)/web/app:/app composer require symfony/yaml
 ```
 
 ### Updating PHP dependencies with composer
 
-```sh
+```docker
 docker run --rm -v $(pwd)/web/app:/app composer update
 ```
 
 ### Generating PHP API documentation
 
-```sh
+```docker
 docker run --rm -v $(pwd):/data phpdoc/phpdoc -i=vendor/ -d /data/web/app/src -t /data/web/app/doc
 ```
 
 ### Testing PHP application with PHPUnit
 
-```sh
+```docker
 docker-compose exec -T php ./app/vendor/bin/phpunit --colors=always --configuration ./app
 ```
 
 ### Fixing standard code with [PSR2](http://www.php-fig.org/psr/psr-2/)
 
-```sh
+```docker
 docker-compose exec -T php ./app/vendor/bin/phpcbf -v --standard=PSR2 ./app/src
 ```
 
 ### Checking the standard code with [PSR2](http://www.php-fig.org/psr/psr-2/)
 
-```sh
+```docker
 docker-compose exec -T php ./app/vendor/bin/phpcs -v --standard=PSR2 ./app/src
 ```
 
 ### Analyzing source code with [PHP Mess Detector](https://phpmd.org/)
 
-```sh
+```docker
 docker-compose exec -T php ./app/vendor/bin/phpmd ./app/src text cleancode,codesize,controversial,design,naming,unusedcode
 ```
 
 ### Checking installed PHP extensions
 
-```sh
+```docker
 docker-compose exec php php -m
 ```
 
@@ -316,29 +316,29 @@ docker-compose exec php php -m
 
 #### MySQL shell access
 
-```sh
+```docker
 docker exec -it mysql bash
 ```
 
 and
 
-```sh
+```sql
 mysql -u"$MYSQL_ROOT_USER" -p"$MYSQL_ROOT_PASSWORD"
 ```
 
 #### Creating a backup of all databases
 
-```sh
+```bash
 mkdir -p data/db/dumps
 ```
 
-```sh
+```bash
 source .env && docker exec $(docker-compose ps -q mysqldb) mysqldump --all-databases -u"$MYSQL_ROOT_USER" -p"$MYSQL_ROOT_PASSWORD" > "data/db/dumps/db.sql"
 ```
 
 #### Restoring a backup of all databases
 
-```sh
+```bash
 source .env && docker exec -i $(docker-compose ps -q mysqldb) mysql -u"$MYSQL_ROOT_USER" -p"$MYSQL_ROOT_PASSWORD" < "data/db/dumps/db.sql"
 ```
 
@@ -346,13 +346,13 @@ source .env && docker exec -i $(docker-compose ps -q mysqldb) mysql -u"$MYSQL_RO
 
 **`Notice:`** Replace "YOUR_DB_NAME" by your custom name.
 
-```sh
+```bash
 source .env && docker exec $(docker-compose ps -q mysqldb) mysqldump -u"$MYSQL_ROOT_USER" -p"$MYSQL_ROOT_PASSWORD" --databases YOUR_DB_NAME > "data/db/dumps/YOUR_DB_NAME_dump.sql"
 ```
 
 #### Restoring a backup of single database
 
-```sh
+```bash
 source .env && docker exec -i $(docker-compose ps -q mysqldb) mysql -u"$MYSQL_ROOT_USER" -p"$MYSQL_ROOT_PASSWORD" < "data/db/dumps/YOUR_DB_NAME_dump.sql"
 ```
 

From 1de78989362a0809b49d37b86032368dace9fe79 Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Wed, 3 Jul 2024 11:51:45 +0100
Subject: [PATCH 03/11] Update

---
 README.md                 |   8 +-
 docker-compose.yml        |  56 ++++++------
 etc/php/php.ini           |   2 +-
 web/public/DiceGame.php   |  95 ++++++++++++++++++++
 web/public/HangMan.php    | 169 ++++++++++++++++++++++++++++++++++
 web/public/HangedMan.php  |  81 +++++++++++++++++
 web/public/LastUpdate.php |  17 ++++
 web/public/Sudoku.php     | 184 ++++++++++++++++++++++++++++++++++++++
 web/public/index.php      |  78 +++++++++++++---
 web/public/words.txt      |   0
 10 files changed, 645 insertions(+), 45 deletions(-)
 create mode 100644 web/public/DiceGame.php
 create mode 100644 web/public/HangMan.php
 create mode 100644 web/public/HangedMan.php
 create mode 100644 web/public/LastUpdate.php
 create mode 100644 web/public/Sudoku.php
 create mode 100644 web/public/words.txt

diff --git a/README.md b/README.md
index b9651af97..71ba200fc 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Nginx PHP MySQL [![Build Status](https://travis-ci.org/nanoninja/docker-nginx-php-mysql.svg?branch=master)](https://travis-ci.org/nanoninja/docker-nginx-php-mysql) [![GitHub version](https://badge.fury.io/gh/nanoninja%2Fdocker-nginx-php-mysql.svg)](https://badge.fury.io/gh/nanoninja%2Fdocker-nginx-php-mysql)
+# Nginx PHP MySQL 
 
 Docker running Nginx, PHP-FPM, Composer, MySQL and PHPMyAdmin.
 
@@ -76,7 +76,7 @@ sudo apt install build-essential
 
 * [Nginx](https://hub.docker.com/_/nginx/)
 * [MySQL](https://hub.docker.com/_/mysql/)
-* [PHP-FPM](https://hub.docker.com/r/nanoninja/php-fpm/)
+* [PHP-FPM](https://hub.docker.com/_/php-fpm/)
 * [Composer](https://hub.docker.com/_/composer/)
 * [PHPMyAdmin](https://hub.docker.com/r/phpmyadmin/phpmyadmin/)
 * [Generate Certificate](https://hub.docker.com/r/jacoelho/generate-certificate/)
@@ -181,7 +181,7 @@ For a better integration of Docker to PHPStorm, use the [documentation](https://
 1. Get your own local IP address :
 
     ```bash
-    sudo ifconfig
+    sudo ip address
     ```
 
 2. Edit php file `etc/php/php.ini` and comment or uncomment the configuration as needed.
@@ -201,7 +201,7 @@ ___
     cp web/app/composer.json.dist web/app/composer.json
     ```
 
-2. Start the application :
+2. Start the application : # Second 
 
     ```bash
     docker-compose up -d
diff --git a/docker-compose.yml b/docker-compose.yml
index 39a2e54c2..f0a671ba8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,9 +16,9 @@ services:
         restart: always
         depends_on:
             - php
-            - mysqldb
+        #    - mysqldb
     php:
-        image: nanoninja/php-fpm:${PHP_VERSION}
+        image: php:8-fpm
         restart: always
         volumes:
             - "./etc/php/php.ini:/usr/local/etc/php/conf.d/php.ini"
@@ -28,29 +28,29 @@ services:
         volumes:
             - "./web/app:/app"
         command: install
-    myadmin:
-        image: phpmyadmin/phpmyadmin
-        container_name: phpmyadmin
-        ports:
-            - "8080:80"
-        environment:
-            - PMA_ARBITRARY=1
-            - PMA_HOST=${MYSQL_HOST}
-        restart: always
-        depends_on:
-            - mysqldb
-    mysqldb:
-        image: mysql:${MYSQL_VERSION}
-        container_name: ${MYSQL_HOST}
-        restart: always
-        env_file:
-            - ".env"
-        environment:
-            - MYSQL_DATABASE=${MYSQL_DATABASE}
-            - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
-            - MYSQL_USER=${MYSQL_USER}
-            - MYSQL_PASSWORD=${MYSQL_PASSWORD}
-        ports:
-            - "8989:3306"
-        volumes:
-            - "./data/db/mysql:/var/lib/mysql"
\ No newline at end of file
+    #myadmin:
+    #    image: phpmyadmin/phpmyadmin
+    #    container_name: phpmyadmin
+    #    ports:
+    #        - "8080:80"
+    #    environment:
+    #        - PMA_ARBITRARY=1
+    #        - PMA_HOST=${MYSQL_HOST}
+    #    restart: always
+    #    depends_on:
+    #        - mysqldb
+    #mysqldb:
+    #    image: mysql:${MYSQL_VERSION}
+    #    container_name: ${MYSQL_HOST}
+    #    restart: always
+    #    env_file:
+    #        - ".env"
+    #    environment:
+    #        - MYSQL_DATABASE=${MYSQL_DATABASE}
+    #        - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
+    #        - MYSQL_USER=${MYSQL_USER}
+    #        - MYSQL_PASSWORD=${MYSQL_PASSWORD}
+    #    ports:
+    #        - "8989:3306"
+    #    volumes:
+    #        - "./data/db/mysql:/var/lib/mysql"
\ No newline at end of file
diff --git a/etc/php/php.ini b/etc/php/php.ini
index 4f47c01f7..ed1e16814 100644
--- a/etc/php/php.ini
+++ b/etc/php/php.ini
@@ -17,7 +17,7 @@ xdebug.remote_enable=1
 xdebug.idekey=PHPSTORM
 xdebug.profiler_enable=0
 xdebug.max_nesting_level=700
-xdebug.remote_host=192.168.0.1 # your ip
+xdebug.remote_host=localhost # your ip
 xdebug.remote_port=9000
 
 ;Netbeans
diff --git a/web/public/DiceGame.php b/web/public/DiceGame.php
new file mode 100644
index 000000000..41df53c8b
--- /dev/null
+++ b/web/public/DiceGame.php
@@ -0,0 +1,95 @@
+<?php
+
+// Function to roll the dice
+function rollDice() {
+    $die1 = rand(1, 6);
+    $die2 = rand(1, 6);
+    $sum = $die1 + $die2;
+    return json_encode(['die1' => $die1, 'die2' => $die2, 'sum' => $sum]);
+}
+
+// Check if the request is via AJAX
+if (isset($_POST['roll'])) {
+    echo rollDice();
+    exit;
+}
+
+// Include last user view (if needed)
+include("LastUpdate.php");
+
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Interactive Dice Game</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            text-align: center;
+            margin-top: 50px;
+        }
+        button {
+            background-color: #007BFF; /* Blue */
+            border: none;
+            color: whitesmoke;
+            padding: 15px 32px;
+            text-align: center;
+            text-decoration: none;
+            display: inline-block;
+            font-size: 16px;
+            margin: 4px 2px;
+            cursor: pointer;
+            border-radius: 8px;
+        }
+        #result {
+            margin-top: 20px;
+            font-size: 1.2em;
+        }
+        .die {
+            font-weight: bold;
+            color: #ff6347; /* Tomato color */
+        }
+        .sum {
+            font-weight: bold;
+            color: #4682b4; /* Steel Blue color */
+        }
+    </style>
+</head>
+<body>
+    <h1>Dice Game</h1>
+    <button onclick="rollDice()">Roll the Dice</button>
+    <div id="result"></div>
+
+    <script>
+        function rollDice() {
+            console.log("Rolling dice..."); // Debugging log
+
+            // Create an AJAX request to the server
+            const xhr = new XMLHttpRequest();
+            xhr.open("POST", "roll_dice.php", true);
+            xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+
+            xhr.onreadystatechange = function () {
+                if (xhr.readyState == 4) {
+                    if (xhr.status == 200) {
+                        console.log("Response received: " + xhr.responseText); // Debugging log
+                        // Process the JSON response
+                        const result = JSON.parse(xhr.responseText);
+                        document.getElementById('result').innerHTML =
+                            "First die result: <span class='die'>" + result.die1 + "</span><br>" +
+                            "Second die result: <span class='die'>" + result.die2 + "</span><br>" +
+                            "Sum of dice: <span class='sum'>" + result.sum + "</span>";
+                    } else {
+                        console.error("Error: " + xhr.status); // Debugging log
+                        console.error("Response: " + xhr.responseText); // Debugging log
+                    }
+                }
+            };
+
+            // Send the request
+            xhr.send("roll=1");
+        }
+    </script>
+</body>
+</html>
diff --git a/web/public/HangMan.php b/web/public/HangMan.php
new file mode 100644
index 000000000..670678c7a
--- /dev/null
+++ b/web/public/HangMan.php
@@ -0,0 +1,169 @@
+<?php
+
+require_once 'HangedMan.php';
+
+session_start();
+
+if (!isset($_SESSION['words'])) {
+    $_SESSION['words'] = array();
+}
+
+$words = $_SESSION['words'];
+$numwords = count($words);
+
+function printPage($image, $guesstemplate, $guessed, $wrong, $script) {
+    echo <<<ENDPAGE
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Hangman</title>
+</head>
+<body>
+<h1>Hangman Game</h1>
+<br />
+<pre>$image</pre>
+<br />
+<p><strong>Word to guess: $guesstemplate</strong></p>
+<p>Letters used in guesses so far: $guessed</p>
+<form method="post" action="$script">
+    <input type="hidden" name="wrong" value="$wrong" />
+    <input type="hidden" name="lettersguessed" value="$guessed" />
+    <fieldset>
+        <legend>Your next guess</legend>
+        <input type="text" name="letter" autofocus />
+        <input type="submit" value="Guess" />
+    </fieldset>
+</form>
+<form method="post" action="$script">
+    <fieldset>
+        <legend>Add a new word</legend>
+        <input type="text" name="newword" />
+        <input type="submit" name="addword" value="Add Word" />
+    </fieldset>
+</form>
+</body>
+</html>
+ENDPAGE;
+}
+
+function startGame() {
+    global $words, $numwords, $hang;
+
+    if ($numwords == 0) {
+        echo "No words loaded yet. Add a word below.";
+        return;
+    }
+
+    $which = rand(0, $numwords - 1);
+    $word = $words[$which];
+    $len = strlen($word);
+    $guesstemplate = str_repeat('_ ', $len);
+    $script = $_SERVER["PHP_SELF"];
+
+    printPage($hang[0], $guesstemplate, "", 0, $script);
+}
+
+function killPlayer($word) {
+    echo <<<ENDPAGE
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Hangman</title>
+</head>
+<body>
+<h1>You lost!</h1>
+<p>The word you were trying to guess was <em>$word</em>.</p>
+</body>
+</html>
+ENDPAGE;
+}
+
+function congratulateWinner($word) {
+    echo <<<ENDPAGE
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Hangman</title>
+</head>
+<body>
+<h1>You win!</h1>
+<p>Congratulations! You guessed that the word was <em>$word</em>.</p>
+</body>
+</html>
+ENDPAGE;
+}
+
+function matchLetters($word, $guessedLetters) {
+    if (is_null($word)) {
+        return "";
+    }
+
+    $len = strlen($word);
+    $guesstemplate = str_repeat("_ ", $len);
+
+    for ($i = 0; $i < $len; $i++) {
+        $ch = $word[$i];
+        if (strstr($guessedLetters, $ch)) {
+            $pos = 2 * $i;
+            $guesstemplate[$pos] = $ch;
+        }
+    }
+
+    return $guesstemplate;
+}
+
+function handleGuess() {
+    global $words, $hang;
+
+    $wrong = $_POST["wrong"];
+    $lettersguessed = $_POST["lettersguessed"];
+    $guess = $_POST["letter"];
+    $letter = strtoupper($guess[0]);
+
+    // Check if a new word is being added
+    if (isset($_POST["addword"]) && !empty($_POST["newword"])) {
+        $newword = strtoupper(trim($_POST["newword"]));
+        if (!in_array($newword, $words)) {
+            $_SESSION['words'][] = $newword;
+            $words = $_SESSION['words'];
+            $numwords = count($words);
+            startGame();
+            return;
+        } else {
+            echo "Word '$newword' is already in the list.";
+            return;
+        }
+    }
+
+    $which = rand(0, $words - 1);
+    $word = $words[$which];
+
+    if (!strstr($word, $letter)) {
+        $wrong++;
+    }
+
+    $lettersguessed .= $letter;
+    $guesstemplate = matchLetters($word, $lettersguessed);
+
+    if (!strstr($guesstemplate, "_")) {
+        congratulateWinner($word);
+    } else if ($wrong >= 6) {
+        killPlayer($word);
+    } else {
+        $script = $_SERVER["PHP_SELF"];
+        printPage($hang[$wrong], $guesstemplate, $lettersguessed, $wrong, $script);
+    }
+}
+
+$method = $_SERVER["REQUEST_METHOD"];
+
+if ($method == "POST") {
+    handleGuess();
+} else {
+    startGame();
+}
+
+// Include last user view (if needed)
+include("LastUpdate.php");
+
+?>
diff --git a/web/public/HangedMan.php b/web/public/HangedMan.php
new file mode 100644
index 000000000..7dd3f416e
--- /dev/null
+++ b/web/public/HangedMan.php
@@ -0,0 +1,81 @@
+<?php
+
+$hang[0] =
+' -------
+ |/    | 
+ |
+ |
+ |
+ |
+ | 
+/|\
+-------------';
+
+$hang[1] =
+' -------
+ |/    | 
+ |     o
+ |
+ |
+ |
+ | 
+/|\
+-------------';
+
+
+$hang[2] =
+' -------
+ |/    | 
+ |     o
+ |     |
+ |     |
+ |
+ | 
+/|\
+-------------';
+
+$hang[3] =
+' -------
+ |/    | 
+ |     o
+ |     |
+ |     |
+ |    /
+ | 
+/|\
+-------------';
+
+$hang[4] =
+' -------
+ |/    | 
+ |     o
+ |     |
+ |     |
+ |    / \
+ | 
+/|\
+-------------';
+
+$hang[5] =
+' -------
+ |/    | 
+ |     o
+ |   --|
+ |     |
+ |    / \
+ | 
+/|\
+-------------';
+
+$hang[6] =
+' -------
+ |/    | 
+ |     o
+ |   --|--
+ |     |
+ |    / \
+ | 
+/|\
+-------------';
+
+?>
\ No newline at end of file
diff --git a/web/public/LastUpdate.php b/web/public/LastUpdate.php
new file mode 100644
index 000000000..b7d29f675
--- /dev/null
+++ b/web/public/LastUpdate.php
@@ -0,0 +1,17 @@
+<?php
+
+$file = "index.php";
+$font = "Verdana";
+$size = "2";
+$color = "#000000";
+$alignment = "center";
+$bold = "yes"; // yes or no
+
+$date = date("d/m/Y", filectime($file));
+
+if($bold == "yes") {
+     echo "<$alignment><font face='$font' size='$size' color='$color'><b>Last update on $date.</b></font></$alignment>";
+} else {
+     echo "<$alignment><font face='$font' size='$size' color='$color'>Last update on $date.</font></$alignment>";
+}
+?>
diff --git a/web/public/Sudoku.php b/web/public/Sudoku.php
new file mode 100644
index 000000000..c3034d5e9
--- /dev/null
+++ b/web/public/Sudoku.php
@@ -0,0 +1,184 @@
+<?php
+
+session_start();
+
+// Initialize Sudoku grid
+if (!isset($_SESSION['sudoku'])) {
+    $_SESSION['sudoku'] = array(
+        array(5, 3, 0, 0, 7, 0, 0, 0, 0),
+        array(6, 0, 0, 1, 9, 5, 0, 0, 0),
+        array(0, 9, 8, 0, 0, 0, 0, 6, 0),
+        array(8, 0, 0, 0, 6, 0, 0, 0, 3),
+        array(4, 0, 0, 8, 0, 3, 0, 0, 1),
+        array(7, 0, 0, 0, 2, 0, 0, 0, 6),
+        array(0, 6, 0, 0, 0, 0, 2, 8, 0),
+        array(0, 0, 0, 4, 1, 9, 0, 0, 5),
+        array(0, 0, 0, 0, 8, 0, 0, 7, 9)
+    );
+}
+
+// Track number of attempts
+if (!isset($_SESSION['attempts'])) {
+    $_SESSION['attempts'] = 0;
+}
+
+// Handle form submission
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if (isset($_POST['submit'])) {
+        $row = $_POST['row'];
+        $col = $_POST['col'];
+        $num = $_POST['number'];
+
+        // Validate input (only accept numbers 1-9)
+        if ($num >= 1 && $num <= 9) {
+            // Check if the number is valid in the Sudoku grid
+            if (isValid($_SESSION['sudoku'], $row, $col, $num)) {
+                $_SESSION['sudoku'][$row][$col] = $num;
+            } else {
+                // Invalid move
+                echo '<script>alert("Invalid number for this cell!")</script>';
+            }
+            $_SESSION['attempts']++;
+        }
+    } elseif (isset($_POST['check_solution'])) {
+        // Check if the puzzle is solved correctly
+        if (isSudokuSolved($_SESSION['sudoku'])) {
+            echo '<script>alert("Congratulations! Puzzle solved.")</script>';
+        } else {
+            echo '<script>alert("Not all cells are filled correctly. Keep trying!")</script>';
+        }
+    }
+}
+
+// Function to check if the Sudoku puzzle is solved
+function isSudokuSolved($sudoku) {
+    foreach ($sudoku as $row) {
+        foreach ($row as $cell) {
+            if ($cell == 0) {
+                return false; // There are still empty cells
+            }
+        }
+    }
+    return true; // All cells are filled
+}
+
+// Function to validate if a number can be placed at a given position
+function isValid($sudoku, $row, $col, $num) {
+    // Check row
+    for ($i = 0; $i < 9; $i++) {
+        if ($sudoku[$row][$i] == $num) {
+            return false;
+        }
+    }
+    // Check column
+    for ($i = 0; $i < 9; $i++) {
+        if ($sudoku[$i][$col] == $num) {
+            return false;
+        }
+    }
+    // Check box
+    $box_row = floor($row / 3) * 3;
+    $box_col = floor($col / 3) * 3;
+    for ($i = 0; $i < 3; $i++) {
+        for ($j = 0; $j < 3; $j++) {
+            if ($sudoku[$box_row + $i][$box_col + $j] == $num) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+// Include last user view (if needed)
+include("LastUpdate.php");
+
+?>
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Sudoku Game</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            background-color: #f0f0f0;
+            text-align: center;
+        }
+        h2 {
+            color: #333;
+        }
+        table {
+            border-collapse: collapse;
+            margin: 20px auto;
+        }
+        td {
+            border: 1px solid #666;
+            width: 30px;
+            height: 30px;
+            text-align: center;
+            font-size: 18px;
+            font-weight: bold;
+            color: #333;
+            background-color: #fff;
+        }
+        .input-cell {
+            background-color: #f0f0f0;
+        }
+        input[type="number"] {
+            width: 25px;
+            height: 25px;
+            font-size: 14px;
+            text-align: center;
+        }
+        input[type="submit"] {
+            padding: 10px 20px;
+            font-size: 16px;
+            cursor: pointer;
+            border: none;
+            border-radius: 5px;
+            margin-bottom: 10px;
+        }
+        input[name="submit"] {
+            background-color: #ffc107; /* Yellow */
+            color: #fff;
+        }
+        input[name="check_solution"] {
+            background-color: #f44336; /* Red */
+            color: #fff;
+        }
+        input[type="submit"]:hover {
+            opacity: 0.8;
+        }
+        p {
+            font-size: 16px;
+            color: #666;
+        }
+    </style>
+</head>
+<body>
+    <h2>Sudoku Game</h2>
+    <form method="post">
+        <table>
+            <?php for ($i = 0; $i < 9; $i++) : ?>
+                <tr>
+                    <?php for ($j = 0; $j < 9; $j++) : ?>
+                        <?php if ($_SESSION['sudoku'][$i][$j] == 0) : ?>
+                            <td class="input-cell">
+                                <input type="number" name="number" min="1" max="9" required>
+                                <input type="hidden" name="row" value="<?= $i ?>">
+                                <input type="hidden" name="col" value="<?= $j ?>">
+                            </td>
+                        <?php else : ?>
+                            <td><?= $_SESSION['sudoku'][$i][$j] ?></td>
+                        <?php endif; ?>
+                    <?php endfor; ?>
+                </tr>
+            <?php endfor; ?>
+        </table>
+        <input type="submit" name="submit" value="Submit Number">
+        <input type="submit" name="check_solution" value="Check Solution">
+    </form>
+    <p>Attempts made: <?= $_SESSION['attempts'] ?></p>
+</body>
+</html>
\ No newline at end of file
diff --git a/web/public/index.php b/web/public/index.php
index 6e2e29090..a38f0ec0d 100644
--- a/web/public/index.php
+++ b/web/public/index.php
@@ -1,15 +1,69 @@
 <?php
-
 include '../app/vendor/autoload.php';
 $foo = new App\Acme\Foo();
-
-?><!DOCTYPE html>
-<html>
-    <head>
-        <meta charset="utf-8">
-        <title>Docker <?php echo $foo->getName(); ?></title>
-    </head>
-    <body>
-        <h1>Docker <?php echo $foo->getName(); ?></h1>
-    </body>
-</html>
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Docker <?php echo $foo->getName(); ?></title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            background-color: #f0f0f0;
+            margin: 0;
+            padding: 20px;
+        }
+        .container {
+            max-width: 800px;
+            margin: auto;
+            background-color: #fff;
+            padding: 20px;
+            border-radius: 8px;
+            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+            text-align: center; /* Center align all text within the container */
+        }
+        h1, h2, h3 {
+            color: #333;
+        }
+        ul {
+            list-style-type: none;
+            padding: 0;
+        }
+        ul li {
+            margin-bottom: 10px;
+        }
+        ul li a {
+            display: block;
+            padding: 10px;
+            background-color: #007bff;
+            color: #fff;
+            text-decoration: none;
+            border-radius: 5px;
+            text-align: center;
+        }
+        ul li a:hover {
+            background-color: #0056b3;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <header>
+            <h1>Docker <?php echo $foo->getName(); ?></h1>
+            <h2>Docker - Marcel Test</h2>
+            <h3><a href="LastUpdate.php">Last Update</a></h3>
+        </header>
+        
+        <nav>
+            <h2>Choose a Game:</h2>
+            <ul>
+                <li><a href="HangMan.php">Hangman Game</a></li>
+                <li><a href="DiceGame.php">Dice Game</a></li>
+                <li><a href="Sudoku.php">Sudoku Game</a></li>
+            </ul>
+        </nav>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/web/public/words.txt b/web/public/words.txt
new file mode 100644
index 000000000..e69de29bb

From 3ee34444e7a7b6c2f0a087b4bf11683b6e2467eb Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Fri, 5 Jul 2024 10:43:03 +0100
Subject: [PATCH 04/11] update php pages

---
 web/app/src/Foo.php       |  4 ++-
 web/public/HangMan.php    | 67 +++++++++++++++++++++++++++------------
 web/public/LastUpdate.php |  2 +-
 3 files changed, 51 insertions(+), 22 deletions(-)

diff --git a/web/app/src/Foo.php b/web/app/src/Foo.php
index f982f487f..65e0047fd 100644
--- a/web/app/src/Foo.php
+++ b/web/app/src/Foo.php
@@ -13,9 +13,11 @@ class Foo
 {
     /**
      * Gets the name of the application.
+     * 
+     * @return string The name of the application with "MySQL" highlighted in red.
      */
     public function getName()
     {
-        return 'Nginx PHP MySQL';
+        return '<span style="color: dark grey;">Nginx</span> <span style="color: blue;">PHP</span> <span style="color: red;"><del>MySQL</del></span>';
     }
 }
diff --git a/web/public/HangMan.php b/web/public/HangMan.php
index 670678c7a..97aff38e8 100644
--- a/web/public/HangMan.php
+++ b/web/public/HangMan.php
@@ -11,7 +11,7 @@
 $words = $_SESSION['words'];
 $numwords = count($words);
 
-function printPage($image, $guesstemplate, $guessed, $wrong, $script) {
+function printPage($image, $guesstemplate, $guessed, $wrong, $script, $message = "", $word = "") {
     echo <<<ENDPAGE
 <!DOCTYPE html>
 <html>
@@ -24,10 +24,12 @@ function printPage($image, $guesstemplate, $guessed, $wrong, $script) {
 <pre>$image</pre>
 <br />
 <p><strong>Word to guess: $guesstemplate</strong></p>
-<p>Letters used in guesses so far: $guessed</p>
+<p>Guessed letters: $guessed</p>
+<p>$message</p>
 <form method="post" action="$script">
     <input type="hidden" name="wrong" value="$wrong" />
     <input type="hidden" name="lettersguessed" value="$guessed" />
+    <input type="hidden" name="word" value="$word" />
     <fieldset>
         <legend>Your next guess</legend>
         <input type="text" name="letter" autofocus />
@@ -46,11 +48,12 @@ function printPage($image, $guesstemplate, $guessed, $wrong, $script) {
 ENDPAGE;
 }
 
-function startGame() {
+function startGame($message = "") {
     global $words, $numwords, $hang;
 
     if ($numwords == 0) {
-        echo "No words loaded yet. Add a word below.";
+        $script = $_SERVER["PHP_SELF"];
+        printPage("", "", "", 0, $script, "No words loaded yet. Add a word below.");
         return;
     }
 
@@ -60,7 +63,7 @@ function startGame() {
     $guesstemplate = str_repeat('_ ', $len);
     $script = $_SERVER["PHP_SELF"];
 
-    printPage($hang[0], $guesstemplate, "", 0, $script);
+    printPage($hang[0], $guesstemplate, "", 0, $script, $message, $word);
 }
 
 function killPlayer($word) {
@@ -115,43 +118,67 @@ function matchLetters($word, $guessedLetters) {
 function handleGuess() {
     global $words, $hang;
 
-    $wrong = $_POST["wrong"];
-    $lettersguessed = $_POST["lettersguessed"];
-    $guess = $_POST["letter"];
-    $letter = strtoupper($guess[0]);
+    $wrong = isset($_POST["wrong"]) ? $_POST["wrong"] : 0;
+    $lettersguessed = isset($_POST["lettersguessed"]) ? $_POST["lettersguessed"] : "";
+    $guess = isset($_POST["letter"]) ? $_POST["letter"] : "";
+    $word = isset($_POST["word"]) ? $_POST["word"] : "";
 
     // Check if a new word is being added
     if (isset($_POST["addword"]) && !empty($_POST["newword"])) {
         $newword = strtoupper(trim($_POST["newword"]));
-        if (!in_array($newword, $words)) {
-            $_SESSION['words'][] = $newword;
-            $words = $_SESSION['words'];
-            $numwords = count($words);
-            startGame();
-            return;
+        if (strlen($newword) > 3) {
+            if (!in_array($newword, $words)) {
+                $_SESSION['words'][] = $newword;
+                $words = $_SESSION['words'];
+                $numwords = count($words);
+
+                // Save the new word to words.txt
+                file_put_contents('./words.txt', $newword . PHP_EOL, FILE_APPEND);
+
+                startGame("New word '$newword' added.");
+                return;
+            } else {
+                startGame("Word '$newword' is already in the list.");
+                return;
+            }
         } else {
-            echo "Word '$newword' is already in the list.";
+            startGame("Word must be longer than 3 letters.");
             return;
         }
     }
 
-    $which = rand(0, $words - 1);
-    $word = $words[$which];
+    if ($guess === "") {
+        startGame("Please enter a letter to guess.");
+        return;
+    }
+
+    $letter = strtoupper($guess[0]);
+
+    if (strstr($lettersguessed, $letter)) {
+        $script = $_SERVER["PHP_SELF"];
+        $guesstemplate = matchLetters($word, $lettersguessed);
+        printPage($hang[$wrong], $guesstemplate, $lettersguessed, $wrong, $script, "You already guessed the letter '$letter'.", $word);
+        return;
+    }
+
+    $lettersguessed .= $letter;
 
     if (!strstr($word, $letter)) {
         $wrong++;
     }
 
-    $lettersguessed .= $letter;
     $guesstemplate = matchLetters($word, $lettersguessed);
 
     if (!strstr($guesstemplate, "_")) {
         congratulateWinner($word);
+
+        // Save the guessed word to words.txt
+        file_put_contents('words.txt', $word . PHP_EOL, FILE_APPEND);
     } else if ($wrong >= 6) {
         killPlayer($word);
     } else {
         $script = $_SERVER["PHP_SELF"];
-        printPage($hang[$wrong], $guesstemplate, $lettersguessed, $wrong, $script);
+        printPage($hang[$wrong], $guesstemplate, $lettersguessed, $wrong, $script, "", $word);
     }
 }
 
diff --git a/web/public/LastUpdate.php b/web/public/LastUpdate.php
index b7d29f675..5a167aa09 100644
--- a/web/public/LastUpdate.php
+++ b/web/public/LastUpdate.php
@@ -14,4 +14,4 @@
 } else {
      echo "<$alignment><font face='$font' size='$size' color='$color'>Last update on $date.</font></$alignment>";
 }
-?>
+?>
\ No newline at end of file

From 86a2de33cfe17b007052f1a5091c7c15e6e301b8 Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Fri, 5 Jul 2024 17:02:54 +0100
Subject: [PATCH 05/11] updated php code - version, paperrocks game

---
 .travis.yml             | 24 ++++++++++++------------
 docker-compose.yml      |  2 +-
 web/public/DiceGame.php | 17 +++++++++--------
 web/public/index.php    |  2 ++
 4 files changed, 24 insertions(+), 21 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 8ec197855..542809ffd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-sudo: required
+#: required
 
 env:
   DOCKER_COMPOSE_VERSION: 1.18.0
@@ -7,24 +7,24 @@ services:
   - docker
 
 before_install:
-  - sudo apt update
-  - sudo rm /usr/local/bin/docker-compose
+  -  apt update
+  -  rm /usr/local/bin/docker-compose
   - curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` > docker-compose
   - chmod +x docker-compose
-  - sudo mv docker-compose /usr/local/bin
+  -  mv docker-compose /usr/local/bin
   - docker-compose --version
 
 before_script:
-  - sudo make docker-start
+  -  make docker-start
   - sleep 2m
 
 script:
-  - sudo make apidoc
-  - sudo make gen-certs
-  - sudo make mysql-dump
-  - sudo make mysql-restore
-  - sudo make phpmd
-  - sudo make test
+  -  make apidoc
+  -  make gen-certs
+  -  make mysql-dump
+  -  make mysql-restore
+  -  make phpmd
+  -  make test
 
 after_script:
-  - sudo make docker-stop
\ No newline at end of file
+  -  make docker-stop
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index f0a671ba8..568f3ec75 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '3'
 services:
     web:
-        image: nginx:alpine
+        image: nginx:latest
         volumes:
             - "./etc/nginx/default.conf:/etc/nginx/conf.d/default.conf"
             - "./etc/ssl:/etc/ssl"
diff --git a/web/public/DiceGame.php b/web/public/DiceGame.php
index 41df53c8b..2a7a731f5 100644
--- a/web/public/DiceGame.php
+++ b/web/public/DiceGame.php
@@ -2,10 +2,10 @@
 
 // Function to roll the dice
 function rollDice() {
-    $die1 = rand(1, 6);
-    $die2 = rand(1, 6);
-    $sum = $die1 + $die2;
-    return json_encode(['die1' => $die1, 'die2' => $die2, 'sum' => $sum]);
+    $dice1 = rand(1, 6);
+    $dice2 = rand(1, 6);
+    $sum = $dice1 + $dice2;
+    return json_encode(['dice1' => $dice1, 'dice2' => $dice2, 'sum' => $sum]);
 }
 
 // Check if the request is via AJAX
@@ -18,6 +18,7 @@ function rollDice() {
 include("LastUpdate.php");
 
 ?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
@@ -46,7 +47,7 @@ function rollDice() {
             margin-top: 20px;
             font-size: 1.2em;
         }
-        .die {
+        .dice {
             font-weight: bold;
             color: #ff6347; /* Tomato color */
         }
@@ -67,7 +68,7 @@ function rollDice() {
 
             // Create an AJAX request to the server
             const xhr = new XMLHttpRequest();
-            xhr.open("POST", "roll_dice.php", true);
+            xhr.open("POST", "", true);  // Ensure the correct URL is used
             xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
 
             xhr.onreadystatechange = function () {
@@ -77,8 +78,8 @@ function rollDice() {
                         // Process the JSON response
                         const result = JSON.parse(xhr.responseText);
                         document.getElementById('result').innerHTML =
-                            "First die result: <span class='die'>" + result.die1 + "</span><br>" +
-                            "Second die result: <span class='die'>" + result.die2 + "</span><br>" +
+                            "First dice result: <span class='dice'>" + result.dice1 + "</span><br>" +
+                            "Second dice result: <span class='dice'>" + result.dice2 + "</span><br>" +
                             "Sum of dice: <span class='sum'>" + result.sum + "</span>";
                     } else {
                         console.error("Error: " + xhr.status); // Debugging log
diff --git a/web/public/index.php b/web/public/index.php
index a38f0ec0d..b4e7c11ba 100644
--- a/web/public/index.php
+++ b/web/public/index.php
@@ -54,6 +54,7 @@
             <h1>Docker <?php echo $foo->getName(); ?></h1>
             <h2>Docker - Marcel Test</h2>
             <h3><a href="LastUpdate.php">Last Update</a></h3>
+            <h4><a href="phpVersion.php">PHP Version Page</a></h4>
         </header>
         
         <nav>
@@ -62,6 +63,7 @@
                 <li><a href="HangMan.php">Hangman Game</a></li>
                 <li><a href="DiceGame.php">Dice Game</a></li>
                 <li><a href="Sudoku.php">Sudoku Game</a></li>
+                <li><a href="PaperRocks.php">Paper-Rocks Game</a></li>
             </ul>
         </nav>
     </div>

From 30926f2e345baa3ba06840fbec8cb6535836c70f Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Sun, 7 Jul 2024 19:43:23 +0100
Subject: [PATCH 06/11] paper rocks updated

---
 web/public/PaperRocks.php |  72 +++++++++++++++++++++++
 web/public/icon.png       | Bin 0 -> 20141 bytes
 web/public/paper.jpg      | Bin 0 -> 51345 bytes
 web/public/phpVersion.php |   2 +
 web/public/rock.jpg       | Bin 0 -> 41673 bytes
 web/public/scissors.jpg   | Bin 0 -> 45583 bytes
 web/public/style.css      | 120 ++++++++++++++++++++++++++++++++++++++
 7 files changed, 194 insertions(+)
 create mode 100644 web/public/PaperRocks.php
 create mode 100644 web/public/icon.png
 create mode 100644 web/public/paper.jpg
 create mode 100644 web/public/phpVersion.php
 create mode 100644 web/public/rock.jpg
 create mode 100644 web/public/scissors.jpg
 create mode 100644 web/public/style.css

diff --git a/web/public/PaperRocks.php b/web/public/PaperRocks.php
new file mode 100644
index 000000000..c13b68e93
--- /dev/null
+++ b/web/public/PaperRocks.php
@@ -0,0 +1,72 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="icon" href="icon.png">
+    <title>Rock Paper Scissors</title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+    <div class="container">
+        <h1>Rock Paper Scissors</h1>
+        <h5>Make your choice :</h5>
+        <form method="post">
+            <button type="submit" value="Scissors" name="user"><img src="scissors.jpg" alt="Scissors"></button>
+            <button type="submit" value="Rock" name="user"><img src="rock.jpg" alt="Rock"></button>
+            <button type="submit" value="Paper" name="user"><img src="paper.jpg" alt="Paper"></button>
+        </form>
+
+        <?php 
+        // Declare bot
+        $choices = array("Scissors", "Rock", "Paper");
+        $bot_choice = $choices[array_rand($choices)];
+
+        // Process Output
+        if(isset($_POST["user"])) {
+            $user_choice = $_POST["user"];
+            $user_output = "<img src='{$user_choice}.jpg' alt='{$user_choice}'>";
+            $choices = array("Scissors", "Rock", "Paper");
+            $bot_choice = $choices[array_rand($choices)];
+            $bot_output = "<img src='{$bot_choice}.jpg' alt='{$bot_choice}'>";
+
+            echo "<div class='all_output'>";
+            echo "<div class='user_output'>{$user_output}</div>";
+            echo "<span class='vs'><b>VS</b></span>";
+            echo "<div class='bot_output'>{$bot_output}</div>";
+            echo "</div>";
+      
+            $result = "";
+            if ($user_choice === $bot_choice) {
+                $result = "<span class='draw'>Draw</span>";
+            } elseif (
+                ($user_choice === "Scissors" && $bot_choice === "Paper") ||
+                ($user_choice === "Rock" && $bot_choice === "Scissors") ||
+                ($user_choice === "Paper" && $bot_choice === "Rock")
+            ) {
+                $result = "<span class='win'>You Win</span>";
+            } else {
+                $result = "<span class='lose'>You Lose</span>";
+            }
+
+            echo "<div class='result'>{$result}</div>";
+        }
+        ?>
+    </div>
+
+    <div class="howto-container">
+        <form method="post">
+            <button class="howto" value="how" name="howto">How to play</button>
+        </form>
+
+        <?php
+        if(isset($_POST["howto"])) {
+            echo "<div class='howto-text'>";
+            echo "Really? Just choose<br><img src='scissors.jpg' alt='Scissors'> or <img src='rock.jpg' alt='Rock'> or <img src='paper.jpg' alt='Paper'>";
+            echo "</div>";
+        }
+        ?>
+    </div>
+</body>
+</html>
diff --git a/web/public/icon.png b/web/public/icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..17716828865ddc46e84683c99271fce4baf92d23
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diff --git a/web/public/phpVersion.php b/web/public/phpVersion.php
new file mode 100644
index 000000000..2fa593917
--- /dev/null
+++ b/web/public/phpVersion.php
@@ -0,0 +1,2 @@
+<?php
+echo phpinfo();
\ No newline at end of file
diff --git a/web/public/rock.jpg b/web/public/rock.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2af2c40bf3cc4fd4de686677d206555b3884d42a
GIT binary patch
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diff --git a/web/public/style.css b/web/public/style.css
new file mode 100644
index 000000000..9dba4a303
--- /dev/null
+++ b/web/public/style.css
@@ -0,0 +1,120 @@
+/* style.css */
+body {
+    background-color: #f0f0f0;
+    font-family: Arial, sans-serif;
+    text-align: center;
+    padding: 20px;
+}
+
+.container {
+    background-color: #ffffff;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    max-width: 600px;
+    margin: auto;
+}
+
+h1 {
+    color: #333;
+}
+
+h5 {
+    color: #555;
+}
+
+button {
+    background: none;
+    border: none;
+    cursor: pointer;
+    outline: none;
+    margin: 10px;
+}
+
+button img {
+    width: 100px;
+    height: 100px;
+}
+
+.all_output {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-top: 20px;
+}
+
+.user_output, .bot_output {
+    margin: 0 20px;
+}
+
+.vs {
+    font-size: 24px;
+    color: #333;
+}
+
+.result {
+    font-size: 24px;
+    margin-top: 20px;
+}
+
+.result .draw {
+    color: rgb(218, 218, 11);
+}
+
+.result .lose {
+    color: red;
+}
+
+.result .win {
+    color: blue;
+}
+
+.credit {
+    margin-top: 20px;
+    color: #888;
+}
+
+.credit a {
+    color: #007bff;
+    text-decoration: none;
+}
+
+.credit a:hover {
+    text-decoration: underline;
+}
+
+.howto-container {
+    margin-top: 40px;
+    padding: 20px;
+    background-color: #ffffff;
+    border-radius: 8px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    max-width: 600px;
+    margin: 40px auto 0 auto;
+}
+
+.howto {
+    background-color: #007bff;
+    color: white;
+    border: none;
+    padding: 10px 20px;
+    cursor: pointer;
+    font-size: 16px;
+    border-radius: 5px;
+}
+
+.howto:hover {
+    background-color: #0056b3;
+}
+
+.howto-text {
+    margin-top: 20px;
+    font-size: 18px;
+    color: #555;
+}
+
+.howto-text img {
+    width: 50px;
+    height: 50px;
+    margin: 0 5px;
+}

From fae76f042ada347186c9409aa4c3ff9bb6892ccd Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Fri, 19 Jul 2024 16:22:10 +0100
Subject: [PATCH 07/11] terminal web trials

---
 package-lock.json                             |    33 +
 package.json                                  |     6 +
 web/public/HangMan.php                        |    10 +
 web/public/Sudoku.php                         |     2 +
 web/public/favicon.png                        |   Bin 0 -> 1453 bytes
 web/public/favicon.png:Avecto.Zone.Identifier |     4 +
 web/public/favicon.png:PG$Secure              |     4 +
 web/public/favicon.png:Zone.Identifier        |     4 +
 web/public/index.html                         |    27 +
 web/public/index.php                          |     2 +
 web/public/node_modules/.bin/he               |    16 +
 web/public/node_modules/.bin/he.cmd           |    17 +
 web/public/node_modules/.bin/he.ps1           |    28 +
 web/public/node_modules/.bin/http-server      |    16 +
 web/public/node_modules/.bin/http-server.cmd  |    17 +
 web/public/node_modules/.bin/http-server.ps1  |    28 +
 web/public/node_modules/.bin/mime             |    16 +
 web/public/node_modules/.bin/mime.cmd         |    17 +
 web/public/node_modules/.bin/mime.ps1         |    28 +
 web/public/node_modules/.bin/mkdirp           |    16 +
 web/public/node_modules/.bin/mkdirp.cmd       |    17 +
 web/public/node_modules/.bin/mkdirp.ps1       |    28 +
 web/public/node_modules/.bin/opener           |    16 +
 web/public/node_modules/.bin/opener.cmd       |    17 +
 web/public/node_modules/.bin/opener.ps1       |    28 +
 web/public/node_modules/.package-lock.json    |   629 +
 .../node_modules/@xterm/addon-attach/LICENSE  |    19 +
 .../@xterm/addon-attach/README.md             |    22 +
 .../@xterm/addon-attach/lib/addon-attach.js   |     2 +
 .../addon-attach/lib/addon-attach.js.map      |     1 +
 .../@xterm/addon-attach/package.json          |    26 +
 .../@xterm/addon-attach/src/AttachAddon.ts    |    96 +
 .../addon-attach/typings/addon-attach.d.ts    |    21 +
 .../@xterm/addon-clipboard/LICENSE            |    19 +
 .../@xterm/addon-clipboard/README.md          |    53 +
 .../addon-clipboard/lib/addon-clipboard.js    |     2 +
 .../lib/addon-clipboard.js.map                |     1 +
 .../@xterm/addon-clipboard/package.json       |    29 +
 .../addon-clipboard/src/ClipboardAddon.ts     |    99 +
 .../typings/addon-clipboard.d.ts              |   111 +
 .../node_modules/@xterm/addon-fit/LICENSE     |    19 +
 .../node_modules/@xterm/addon-fit/README.md   |    24 +
 .../@xterm/addon-fit/lib/addon-fit.js         |     2 +
 .../@xterm/addon-fit/lib/addon-fit.js.map     |     1 +
 .../@xterm/addon-fit/package.json             |    26 +
 .../@xterm/addon-fit/src/FitAddon.ts          |    90 +
 .../@xterm/addon-fit/typings/addon-fit.d.ts   |    55 +
 .../node_modules/@xterm/addon-image/LICENSE   |    19 +
 .../node_modules/@xterm/addon-image/README.md |   231 +
 .../@xterm/addon-image/lib/addon-image.js     |     3 +
 .../lib/addon-image.js.LICENSE.txt            |    24 +
 .../@xterm/addon-image/lib/addon-image.js.map |     1 +
 .../@xterm/addon-image/out/IIPHandler.js      |   148 +
 .../@xterm/addon-image/out/IIPHandler.js.map  |     1 +
 .../@xterm/addon-image/out/IIPHeaderParser.js |   156 +
 .../addon-image/out/IIPHeaderParser.js.map    |     1 +
 .../addon-image/out/IIPHeaderParser.test.js   |   137 +
 .../out/IIPHeaderParser.test.js.map           |     1 +
 .../@xterm/addon-image/out/IIPMetrics.js      |    71 +
 .../@xterm/addon-image/out/IIPMetrics.js.map  |     1 +
 .../@xterm/addon-image/out/IIPMetrics.test.js |    38 +
 .../addon-image/out/IIPMetrics.test.js.map    |     1 +
 .../@xterm/addon-image/out/ImageAddon.js      |   261 +
 .../@xterm/addon-image/out/ImageAddon.js.map  |     1 +
 .../@xterm/addon-image/out/ImageRenderer.js   |   330 +
 .../addon-image/out/ImageRenderer.js.map      |     1 +
 .../@xterm/addon-image/out/ImageStorage.js    |   563 +
 .../addon-image/out/ImageStorage.js.map       |     1 +
 .../@xterm/addon-image/out/SixelHandler.js    |   140 +
 .../addon-image/out/SixelHandler.js.map       |     1 +
 .../@xterm/addon-image/package.json           |    31 +
 .../@xterm/addon-image/src/IIPHandler.ts      |   161 +
 .../addon-image/src/IIPHeaderParser.test.ts   |   138 +
 .../@xterm/addon-image/src/IIPHeaderParser.ts |   186 +
 .../@xterm/addon-image/src/IIPMetrics.test.ts |    43 +
 .../@xterm/addon-image/src/IIPMetrics.ts      |    81 +
 .../@xterm/addon-image/src/ImageAddon.ts      |   317 +
 .../@xterm/addon-image/src/ImageRenderer.ts   |   379 +
 .../@xterm/addon-image/src/ImageStorage.ts    |   604 +
 .../@xterm/addon-image/src/SixelHandler.ts    |   151 +
 .../@xterm/addon-image/src/Types.d.ts         |   108 +
 .../addon-image/typings/addon-image.d.ts      |   120 +
 .../node_modules/@xterm/addon-search/LICENSE  |    19 +
 .../@xterm/addon-search/README.md             |    23 +
 .../@xterm/addon-search/lib/addon-search.js   |     2 +
 .../addon-search/lib/addon-search.js.map      |     1 +
 .../@xterm/addon-search/package.json          |    25 +
 .../@xterm/addon-search/src/SearchAddon.ts    |   747 +
 .../addon-search/typings/addon-search.d.ts    |   146 +
 .../@xterm/addon-serialize/README.md          |    42 +
 .../addon-serialize/lib/addon-serialize.js    |     2 +
 .../lib/addon-serialize.js.map                |     1 +
 .../@xterm/addon-serialize/package.json       |    29 +
 .../addon-serialize/src/SerializeAddon.ts     |   679 +
 .../typings/addon-serialize.d.ts              |   105 +
 .../@xterm/addon-web-links/LICENSE            |    19 +
 .../@xterm/addon-web-links/README.md          |    21 +
 .../addon-web-links/lib/addon-web-links.js    |     2 +
 .../lib/addon-web-links.js.map                |     1 +
 .../@xterm/addon-web-links/package.json       |    26 +
 .../addon-web-links/src/WebLinkProvider.ts    |   199 +
 .../addon-web-links/src/WebLinksAddon.ts      |    58 +
 .../typings/addon-web-links.d.ts              |    53 +
 web/public/node_modules/@xterm/xterm/LICENSE  |    21 +
 .../node_modules/@xterm/xterm/README.md       |   235 +
 .../node_modules/@xterm/xterm/css/xterm.css   |   218 +
 .../node_modules/@xterm/xterm/lib/xterm.js    |     2 +
 .../@xterm/xterm/lib/xterm.js.map             |     1 +
 .../node_modules/@xterm/xterm/package.json    |   101 +
 .../xterm/src/browser/AccessibilityManager.ts |   407 +
 .../@xterm/xterm/src/browser/Clipboard.ts     |    93 +
 .../xterm/src/browser/ColorContrastCache.ts   |    34 +
 .../@xterm/xterm/src/browser/Lifecycle.ts     |    33 +
 .../@xterm/xterm/src/browser/Linkifier.ts     |   391 +
 .../xterm/src/browser/LocalizableStrings.ts   |    12 +
 .../xterm/src/browser/OscLinkProvider.ts      |   129 +
 .../xterm/src/browser/RenderDebouncer.ts      |    84 +
 .../@xterm/xterm/src/browser/Terminal.ts      |  1325 ++
 .../xterm/src/browser/TimeBasedDebouncer.ts   |    86 +
 .../@xterm/xterm/src/browser/Types.d.ts       |   174 +
 .../@xterm/xterm/src/browser/Viewport.ts      |   401 +
 .../decorations/BufferDecorationRenderer.ts   |   134 +
 .../src/browser/decorations/ColorZoneStore.ts |   117 +
 .../decorations/OverviewRulerRenderer.ts      |   218 +
 .../src/browser/input/CompositionHelper.ts    |   246 +
 .../@xterm/xterm/src/browser/input/Mouse.ts   |    54 +
 .../xterm/src/browser/input/MoveToCell.ts     |   249 +
 .../xterm/src/browser/public/Terminal.ts      |   266 +
 .../src/browser/renderer/dom/DomRenderer.ts   |   539 +
 .../renderer/dom/DomRendererRowFactory.ts     |   526 +
 .../src/browser/renderer/dom/WidthCache.ts    |   167 +
 .../renderer/shared/CellColorResolver.ts      |   236 +
 .../browser/renderer/shared/CharAtlasCache.ts |    96 +
 .../browser/renderer/shared/CharAtlasUtils.ts |    75 +
 .../src/browser/renderer/shared/Constants.ts  |    14 +
 .../shared/CursorBlinkStateManager.ts         |   146 +
 .../browser/renderer/shared/CustomGlyphs.ts   |   687 +
 .../renderer/shared/DevicePixelObserver.ts    |    41 +
 .../browser/renderer/shared/RendererUtils.ts  |    95 +
 .../renderer/shared/SelectionRenderModel.ts   |    93 +
 .../browser/renderer/shared/TextureAtlas.ts   |  1100 +
 .../src/browser/renderer/shared/Types.d.ts    |   173 +
 .../src/browser/selection/SelectionModel.ts   |   144 +
 .../xterm/src/browser/selection/Types.d.ts    |    15 +
 .../src/browser/services/CharSizeService.ts   |   127 +
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diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 000000000..82d255a00
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,33 @@
+{
+  "name": "docker-nginx-php-mysql",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "@xterm/addon-web-links": "^0.11.0",
+        "xterm": "^5.3.0"
+      }
+    },
+    "node_modules/@xterm/addon-web-links": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-web-links/-/addon-web-links-0.11.0.tgz",
+      "integrity": "sha512-nIHQ38pQI+a5kXnRaTgwqSHnX7KE6+4SVoceompgHL26unAxdfP6IPqUTSYPQgSwM56hsElfoNrrW5V7BUED/Q==",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.0.0"
+      }
+    },
+    "node_modules/@xterm/xterm": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@xterm/xterm/-/xterm-5.5.0.tgz",
+      "integrity": "sha512-hqJHYaQb5OptNunnyAnkHyM8aCjZ1MEIDTQu1iIbbTD/xops91NB5yq1ZK/dC2JDbVWtF23zUtl9JE2NqwT87A==",
+      "peer": true
+    },
+    "node_modules/xterm": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/xterm/-/xterm-5.3.0.tgz",
+      "integrity": "sha512-8QqjlekLUFTrU6x7xck1MsPzPA571K5zNqWm0M0oroYEWVOptZ0+ubQSkQ3uxIEhcIHRujJy6emDWX4A7qyFzg==",
+      "deprecated": "This package is now deprecated. Move to @xterm/xterm instead."
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 000000000..99fea1af6
--- /dev/null
+++ b/package.json
@@ -0,0 +1,6 @@
+{
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+    "xterm": "^5.3.0"
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+}
diff --git a/web/public/HangMan.php b/web/public/HangMan.php
index 97aff38e8..3e19cfd2d 100644
--- a/web/public/HangMan.php
+++ b/web/public/HangMan.php
@@ -194,3 +194,13 @@ function handleGuess() {
 include("LastUpdate.php");
 
 ?>
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="HangMan" href="favicon.png" type="image/x-icon"/>
+</head>
+<body></body>
+</html>
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index c3034d5e9..e856eb5e0 100644
--- a/web/public/Sudoku.php
+++ b/web/public/Sudoku.php
@@ -98,6 +98,8 @@ function isValid($sudoku, $row, $col, $num) {
 <html lang="en">
 <head>
     <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="Sudoku" href="favicon.png" type="image/x-icon"/>
     <title>Sudoku Game</title>
     <style>
         body {
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new file mode 100644
index 000000000..a934087ae
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+++ b/web/public/favicon.png:Avecto.Zone.Identifier
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+[ZoneTransfer]
+ZoneId=3
+ReferrerUrl=https://www.google.com/
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new file mode 100644
index 000000000..d6377095f
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new file mode 100644
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+[ZoneTransfer]
+ZoneId=3
+ReferrerUrl=https://www.google.com/
+HostUrl=https://www.google.com/
diff --git a/web/public/index.html b/web/public/index.html
new file mode 100644
index 000000000..2991a4883
--- /dev/null
+++ b/web/public/index.html
@@ -0,0 +1,27 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Terminal</title>
+
+  <!-- Load the xterm.css stylesheet from node_modules -->
+  <link rel="stylesheet" href="node_modules/@xterm/xterm/css/xterm.css">
+
+  <!-- Load your custom terminal.css stylesheet -->
+  <link rel="stylesheet" href="terminal.css">
+
+  <!-- Add favicon -->
+  <link rel="icon" href="favicon.png" type="image/x-icon">
+
+  <!-- Load the JavaScript module for terminal setup -->
+  <script type="module" src="terminal.js" defer></script>
+</head>
+<body>
+  <!-- Terminal container -->
+  <div id="terminal"></div>
+</body>
+</html>
+
+// Include last user view (if needed)
+include("LastUpdate.php");
\ No newline at end of file
diff --git a/web/public/index.php b/web/public/index.php
index b4e7c11ba..b92358dbb 100644
--- a/web/public/index.php
+++ b/web/public/index.php
@@ -54,6 +54,8 @@
             <h1>Docker <?php echo $foo->getName(); ?></h1>
             <h2>Docker - Marcel Test</h2>
             <h3><a href="LastUpdate.php">Last Update</a></h3>
+            <h3><a href="index.html">Terminal Web</a></h3>
+            <h3><a href="xterm.html">XTerm</a></h3>
             <h4><a href="phpVersion.php">PHP Version Page</a></h4>
         </header>
         
diff --git a/web/public/node_modules/.bin/he b/web/public/node_modules/.bin/he
new file mode 100644
index 000000000..441322aab
--- /dev/null
+++ b/web/public/node_modules/.bin/he
@@ -0,0 +1,16 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*)
+        if command -v cygpath > /dev/null 2>&1; then
+            basedir=`cygpath -w "$basedir"`
+        fi
+    ;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../he/bin/he" "$@"
+else 
+  exec node  "$basedir/../he/bin/he" "$@"
+fi
diff --git a/web/public/node_modules/.bin/he.cmd b/web/public/node_modules/.bin/he.cmd
new file mode 100644
index 000000000..7189cd275
--- /dev/null
+++ b/web/public/node_modules/.bin/he.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\he\bin\he" %*
diff --git a/web/public/node_modules/.bin/he.ps1 b/web/public/node_modules/.bin/he.ps1
new file mode 100644
index 000000000..b0010bc6c
--- /dev/null
+++ b/web/public/node_modules/.bin/he.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../he/bin/he" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../he/bin/he" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../he/bin/he" $args
+  } else {
+    & "node$exe"  "$basedir/../he/bin/he" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/web/public/node_modules/.bin/http-server b/web/public/node_modules/.bin/http-server
new file mode 100644
index 000000000..2b748e1c9
--- /dev/null
+++ b/web/public/node_modules/.bin/http-server
@@ -0,0 +1,16 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*)
+        if command -v cygpath > /dev/null 2>&1; then
+            basedir=`cygpath -w "$basedir"`
+        fi
+    ;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../http-server/bin/http-server" "$@"
+else 
+  exec node  "$basedir/../http-server/bin/http-server" "$@"
+fi
diff --git a/web/public/node_modules/.bin/http-server.cmd b/web/public/node_modules/.bin/http-server.cmd
new file mode 100644
index 000000000..8013d838f
--- /dev/null
+++ b/web/public/node_modules/.bin/http-server.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\http-server\bin\http-server" %*
diff --git a/web/public/node_modules/.bin/http-server.ps1 b/web/public/node_modules/.bin/http-server.ps1
new file mode 100644
index 000000000..4dbffb304
--- /dev/null
+++ b/web/public/node_modules/.bin/http-server.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../http-server/bin/http-server" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../http-server/bin/http-server" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../http-server/bin/http-server" $args
+  } else {
+    & "node$exe"  "$basedir/../http-server/bin/http-server" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/web/public/node_modules/.bin/mime b/web/public/node_modules/.bin/mime
new file mode 100644
index 000000000..7751de3cb
--- /dev/null
+++ b/web/public/node_modules/.bin/mime
@@ -0,0 +1,16 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*)
+        if command -v cygpath > /dev/null 2>&1; then
+            basedir=`cygpath -w "$basedir"`
+        fi
+    ;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../mime/cli.js" "$@"
+else 
+  exec node  "$basedir/../mime/cli.js" "$@"
+fi
diff --git a/web/public/node_modules/.bin/mime.cmd b/web/public/node_modules/.bin/mime.cmd
new file mode 100644
index 000000000..a9e48f1e3
--- /dev/null
+++ b/web/public/node_modules/.bin/mime.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\mime\cli.js" %*
diff --git a/web/public/node_modules/.bin/mime.ps1 b/web/public/node_modules/.bin/mime.ps1
new file mode 100644
index 000000000..2222f40bc
--- /dev/null
+++ b/web/public/node_modules/.bin/mime.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../mime/cli.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../mime/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../mime/cli.js" $args
+  } else {
+    & "node$exe"  "$basedir/../mime/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/web/public/node_modules/.bin/mkdirp b/web/public/node_modules/.bin/mkdirp
new file mode 100644
index 000000000..1ab9c81af
--- /dev/null
+++ b/web/public/node_modules/.bin/mkdirp
@@ -0,0 +1,16 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*)
+        if command -v cygpath > /dev/null 2>&1; then
+            basedir=`cygpath -w "$basedir"`
+        fi
+    ;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../mkdirp/bin/cmd.js" "$@"
+else 
+  exec node  "$basedir/../mkdirp/bin/cmd.js" "$@"
+fi
diff --git a/web/public/node_modules/.bin/mkdirp.cmd b/web/public/node_modules/.bin/mkdirp.cmd
new file mode 100644
index 000000000..351da9dfe
--- /dev/null
+++ b/web/public/node_modules/.bin/mkdirp.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\mkdirp\bin\cmd.js" %*
diff --git a/web/public/node_modules/.bin/mkdirp.ps1 b/web/public/node_modules/.bin/mkdirp.ps1
new file mode 100644
index 000000000..911e85466
--- /dev/null
+++ b/web/public/node_modules/.bin/mkdirp.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  } else {
+    & "node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/web/public/node_modules/.bin/opener b/web/public/node_modules/.bin/opener
new file mode 100644
index 000000000..b8c208fd5
--- /dev/null
+++ b/web/public/node_modules/.bin/opener
@@ -0,0 +1,16 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*)
+        if command -v cygpath > /dev/null 2>&1; then
+            basedir=`cygpath -w "$basedir"`
+        fi
+    ;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../opener/bin/opener-bin.js" "$@"
+else 
+  exec node  "$basedir/../opener/bin/opener-bin.js" "$@"
+fi
diff --git a/web/public/node_modules/.bin/opener.cmd b/web/public/node_modules/.bin/opener.cmd
new file mode 100644
index 000000000..6ad7e0752
--- /dev/null
+++ b/web/public/node_modules/.bin/opener.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\opener\bin\opener-bin.js" %*
diff --git a/web/public/node_modules/.bin/opener.ps1 b/web/public/node_modules/.bin/opener.ps1
new file mode 100644
index 000000000..b3825e5b2
--- /dev/null
+++ b/web/public/node_modules/.bin/opener.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../opener/bin/opener-bin.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../opener/bin/opener-bin.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../opener/bin/opener-bin.js" $args
+  } else {
+    & "node$exe"  "$basedir/../opener/bin/opener-bin.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/web/public/node_modules/.package-lock.json b/web/public/node_modules/.package-lock.json
new file mode 100644
index 000000000..3fd7ddeaa
--- /dev/null
+++ b/web/public/node_modules/.package-lock.json
@@ -0,0 +1,629 @@
+{
+  "name": "xterm",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "node_modules/@xterm/addon-attach": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-attach/-/addon-attach-0.11.0.tgz",
+      "integrity": "sha512-JboCN0QAY6ZLY/SSB/Zl2cQ5zW1Eh4X3fH7BnuR1NB7xGRhzbqU2Npmpiw/3zFlxDaU88vtKzok44JKi2L2V2Q==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.0.0"
+      }
+    },
+    "node_modules/@xterm/addon-clipboard": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-clipboard/-/addon-clipboard-0.1.0.tgz",
+      "integrity": "sha512-zdoM7p53T5sv/HbRTyp4hY0kKmEQ3MZvAvEtiXqNIHc/JdpqwByCtsTaQF5DX2n4hYdXRPO4P/eOS0QEhX1nPw==",
+      "license": "MIT",
+      "dependencies": {
+        "js-base64": "^3.7.5"
+      },
+      "peerDependencies": {
+        "@xterm/xterm": "^5.4.0"
+      }
+    },
+    "node_modules/@xterm/addon-fit": {
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-fit/-/addon-fit-0.10.0.tgz",
+      "integrity": "sha512-UFYkDm4HUahf2lnEyHvio51TNGiLK66mqP2JoATy7hRZeXaGMRDr00JiSF7m63vR5WKATF605yEggJKsw0JpMQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.0.0"
+      }
+    },
+    "node_modules/@xterm/addon-image": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-image/-/addon-image-0.8.0.tgz",
+      "integrity": "sha512-b/dqpFn3jUad2pUP5UpF4scPIh0WdxRQL/1qyiahGfUI85XZTCXo0py9G6AcOR2QYUw8eJ8EowGspT7BQcgw6A==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.2.0"
+      }
+    },
+    "node_modules/@xterm/addon-search": {
+      "version": "0.15.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-search/-/addon-search-0.15.0.tgz",
+      "integrity": "sha512-ZBZKLQ+EuKE83CqCmSSz5y1tx+aNOCUaA7dm6emgOX+8J9H1FWXZyrKfzjwzV+V14TV3xToz1goIeRhXBS5qjg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.0.0"
+      }
+    },
+    "node_modules/@xterm/addon-serialize": {
+      "version": "0.13.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-serialize/-/addon-serialize-0.13.0.tgz",
+      "integrity": "sha512-kGs8o6LWAmN1l2NpMp01/YkpxbmO4UrfWybeGu79Khw5K9+Krp7XhXbBTOTc3GJRRhd6EmILjpR8k5+odY39YQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.0.0"
+      }
+    },
+    "node_modules/@xterm/addon-web-links": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-web-links/-/addon-web-links-0.11.0.tgz",
+      "integrity": "sha512-nIHQ38pQI+a5kXnRaTgwqSHnX7KE6+4SVoceompgHL26unAxdfP6IPqUTSYPQgSwM56hsElfoNrrW5V7BUED/Q==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@xterm/xterm": "^5.0.0"
+      }
+    },
+    "node_modules/@xterm/xterm": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@xterm/xterm/-/xterm-5.5.0.tgz",
+      "integrity": "sha512-hqJHYaQb5OptNunnyAnkHyM8aCjZ1MEIDTQu1iIbbTD/xops91NB5yq1ZK/dC2JDbVWtF23zUtl9JE2NqwT87A==",
+      "license": "MIT"
+    },
+    "node_modules/ansi-styles": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "license": "MIT",
+      "dependencies": {
+        "color-convert": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/async": {
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "license": "MIT",
+      "dependencies": {
+        "lodash": "^4.17.14"
+      }
+    },
+    "node_modules/basic-auth": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
+      "integrity": "sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "5.1.2"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
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+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "license": "MIT"
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
+    "node_modules/secure-compare": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/secure-compare/-/secure-compare-3.0.1.tgz",
+      "integrity": "sha512-AckIIV90rPDcBcglUwXPF3kg0P0qmPsPXAj6BBEENQE1p5yA1xfmDJzfi1Tappj37Pv2mVbKpL3Z1T+Nn7k1Qw==",
+      "license": "MIT"
+    },
+    "node_modules/set-function-length": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
+      "integrity": "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg==",
+      "license": "MIT",
+      "dependencies": {
+        "define-data-property": "^1.1.4",
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2",
+        "get-intrinsic": "^1.2.4",
+        "gopd": "^1.0.1",
+        "has-property-descriptors": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/side-channel": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.6.tgz",
+      "integrity": "sha512-fDW/EZ6Q9RiO8eFG8Hj+7u/oW+XrPTIChwCOM2+th2A6OblDtYYIpve9m+KvI9Z4C9qSEXlaGR6bTEYHReuglA==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind": "^1.0.7",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.4",
+        "object-inspect": "^1.13.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/union": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
+      "dependencies": {
+        "qs": "^6.4.0"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/url-join": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
+      "license": "MIT"
+    },
+    "node_modules/whatwg-encoding": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz",
+      "integrity": "sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==",
+      "license": "MIT",
+      "dependencies": {
+        "iconv-lite": "0.6.3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/xterm": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/xterm/-/xterm-5.3.0.tgz",
+      "integrity": "sha512-8QqjlekLUFTrU6x7xck1MsPzPA571K5zNqWm0M0oroYEWVOptZ0+ubQSkQ3uxIEhcIHRujJy6emDWX4A7qyFzg==",
+      "deprecated": "This package is now deprecated. Move to @xterm/xterm instead.",
+      "license": "MIT"
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-attach/LICENSE b/web/public/node_modules/@xterm/addon-attach/LICENSE
new file mode 100644
index 000000000..e597698cc
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2017, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/addon-attach/README.md b/web/public/node_modules/@xterm/addon-attach/README.md
new file mode 100644
index 000000000..fa123fe28
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/README.md
@@ -0,0 +1,22 @@
+## @xterm/addon-attach
+
+An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables attaching to a web socket. This addon requires xterm.js v4+.
+
+### Install
+
+```bash
+npm install --save @xterm/addon-attach
+```
+
+### Usage
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { AttachAddon } from '@xterm/addon-attach';
+
+const terminal = new Terminal();
+const attachAddon = new AttachAddon(webSocket);
+terminal.loadAddon(attachAddon);
+```
+
+See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-attach/typings/addon-attach.d.ts) for more advanced usage.
diff --git a/web/public/node_modules/@xterm/addon-attach/lib/addon-attach.js b/web/public/node_modules/@xterm/addon-attach/lib/addon-attach.js
new file mode 100644
index 000000000..d7f1f3275
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/lib/addon-attach.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.AttachAddon=t():e.AttachAddon=t()}(self,(()=>(()=>{"use strict";var e={};return(()=>{var t=e;function s(e,t,s){return e.addEventListener(t,s),{dispose:()=>{s&&e.removeEventListener(t,s)}}}Object.defineProperty(t,"__esModule",{value:!0}),t.AttachAddon=void 0,t.AttachAddon=class{constructor(e,t){this._disposables=[],this._socket=e,this._socket.binaryType="arraybuffer",this._bidirectional=!(t&&!1===t.bidirectional)}activate(e){this._disposables.push(s(this._socket,"message",(t=>{const s=t.data;e.write("string"==typeof s?s:new Uint8Array(s))}))),this._bidirectional&&(this._disposables.push(e.onData((e=>this._sendData(e)))),this._disposables.push(e.onBinary((e=>this._sendBinary(e))))),this._disposables.push(s(this._socket,"close",(()=>this.dispose()))),this._disposables.push(s(this._socket,"error",(()=>this.dispose())))}dispose(){for(const e of this._disposables)e.dispose()}_sendData(e){this._checkOpenSocket()&&this._socket.send(e)}_sendBinary(e){if(!this._checkOpenSocket())return;const t=new Uint8Array(e.length);for(let s=0;s<e.length;++s)t[s]=255&e.charCodeAt(s);this._socket.send(t)}_checkOpenSocket(){switch(this._socket.readyState){case WebSocket.OPEN:return!0;case WebSocket.CONNECTING:throw new Error("Attach addon was loaded before socket was open");case WebSocket.CLOSING:return console.warn("Attach addon socket is closing"),!1;case WebSocket.CLOSED:throw new Error("Attach addon socket is closed");default:throw new Error("Unexpected socket state")}}}})(),e})()));
+//# sourceMappingURL=addon-attach.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-attach/lib/addon-attach.js.map b/web/public/node_modules/@xterm/addon-attach/lib/addon-attach.js.map
new file mode 100644
index 000000000..4668a16f8
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/lib/addon-attach.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"addon-attach.js","mappings":"CAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAqB,YAAID,IAEzBD,EAAkB,YAAIC,GACvB,CATD,CASGK,MAAM,I,gDC2ET,SAASC,EAAqDC,EAAmBC,EAASC,GAExF,OADAF,EAAOG,iBAAiBF,EAAMC,GACvB,CACLE,QAAS,KACFF,GAILF,EAAOK,oBAAoBJ,EAAMC,EAAQ,EAG/C,C,sEAjFA,oBAKE,WAAAI,CAAYN,EAAmBO,GAFvB,KAAAC,aAA8B,GAGpCC,KAAKC,QAAUV,EAEfS,KAAKC,QAAQC,WAAa,cAC1BF,KAAKG,iBAAmBL,IAAqC,IAA1BA,EAAQM,cAC7C,CAEO,QAAAC,CAASC,GACdN,KAAKD,aAAaQ,KAChBjB,EAAkBU,KAAKC,QAAS,WAAWO,IACzC,MAAMC,EAA6BD,EAAGC,KACtCH,EAASI,MAAsB,iBAATD,EAAoBA,EAAO,IAAIE,WAAWF,GAAM,KAItET,KAAKG,iBACPH,KAAKD,aAAaQ,KAAKD,EAASM,QAAOH,GAAQT,KAAKa,UAAUJ,MAC9DT,KAAKD,aAAaQ,KAAKD,EAASQ,UAASL,GAAQT,KAAKe,YAAYN,OAGpET,KAAKD,aAAaQ,KAAKjB,EAAkBU,KAAKC,QAAS,SAAS,IAAMD,KAAKL,aAC3EK,KAAKD,aAAaQ,KAAKjB,EAAkBU,KAAKC,QAAS,SAAS,IAAMD,KAAKL,YAC7E,CAEO,OAAAA,GACL,IAAK,MAAMqB,KAAKhB,KAAKD,aACnBiB,EAAErB,SAEN,CAEQ,SAAAkB,CAAUJ,GACXT,KAAKiB,oBAGVjB,KAAKC,QAAQiB,KAAKT,EACpB,CAEQ,WAAAM,CAAYN,GAClB,IAAKT,KAAKiB,mBACR,OAEF,MAAME,EAAS,IAAIR,WAAWF,EAAKW,QACnC,IAAK,IAAIC,EAAI,EAAGA,EAAIZ,EAAKW,SAAUC,EACjCF,EAAOE,GAA0B,IAArBZ,EAAKa,WAAWD,GAE9BrB,KAAKC,QAAQiB,KAAKC,EACpB,CAEQ,gBAAAF,GACN,OAAQjB,KAAKC,QAAQsB,YACnB,KAAKC,UAAUC,KACb,OAAO,EACT,KAAKD,UAAUE,WACb,MAAM,IAAIC,MAAM,kDAClB,KAAKH,UAAUI,QAEb,OADAC,QAAQC,KAAK,mCACN,EACT,KAAKN,UAAUO,OACb,MAAM,IAAIJ,MAAM,iCAClB,QACE,MAAM,IAAIA,MAAM,2BAEtB,E","sources":["webpack://AttachAddon/webpack/universalModuleDefinition","webpack://AttachAddon/./src/AttachAddon.ts"],"sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"AttachAddon\"] = factory();\n\telse\n\t\troot[\"AttachAddon\"] = factory();\n})(self, () => {\nreturn ","/**\n * Copyright (c) 2014, 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * Implements the attach method, that attaches the terminal to a WebSocket stream.\n */\n\nimport type { Terminal, IDisposable, ITerminalAddon } from '@xterm/xterm';\nimport type { AttachAddon as IAttachApi } from '@xterm/addon-attach';\n\ninterface IAttachOptions {\n  bidirectional?: boolean;\n}\n\nexport class AttachAddon implements ITerminalAddon , IAttachApi {\n  private _socket: WebSocket;\n  private _bidirectional: boolean;\n  private _disposables: IDisposable[] = [];\n\n  constructor(socket: WebSocket, options?: IAttachOptions) {\n    this._socket = socket;\n    // always set binary type to arraybuffer, we do not handle blobs\n    this._socket.binaryType = 'arraybuffer';\n    this._bidirectional = !(options && options.bidirectional === false);\n  }\n\n  public activate(terminal: Terminal): void {\n    this._disposables.push(\n      addSocketListener(this._socket, 'message', ev => {\n        const data: ArrayBuffer | string = ev.data;\n        terminal.write(typeof data === 'string' ? data : new Uint8Array(data));\n      })\n    );\n\n    if (this._bidirectional) {\n      this._disposables.push(terminal.onData(data => this._sendData(data)));\n      this._disposables.push(terminal.onBinary(data => this._sendBinary(data)));\n    }\n\n    this._disposables.push(addSocketListener(this._socket, 'close', () => this.dispose()));\n    this._disposables.push(addSocketListener(this._socket, 'error', () => this.dispose()));\n  }\n\n  public dispose(): void {\n    for (const d of this._disposables) {\n      d.dispose();\n    }\n  }\n\n  private _sendData(data: string): void {\n    if (!this._checkOpenSocket()) {\n      return;\n    }\n    this._socket.send(data);\n  }\n\n  private _sendBinary(data: string): void {\n    if (!this._checkOpenSocket()) {\n      return;\n    }\n    const buffer = new Uint8Array(data.length);\n    for (let i = 0; i < data.length; ++i) {\n      buffer[i] = data.charCodeAt(i) & 255;\n    }\n    this._socket.send(buffer);\n  }\n\n  private _checkOpenSocket(): boolean {\n    switch (this._socket.readyState) {\n      case WebSocket.OPEN:\n        return true;\n      case WebSocket.CONNECTING:\n        throw new Error('Attach addon was loaded before socket was open');\n      case WebSocket.CLOSING:\n        console.warn('Attach addon socket is closing');\n        return false;\n      case WebSocket.CLOSED:\n        throw new Error('Attach addon socket is closed');\n      default:\n        throw new Error('Unexpected socket state');\n    }\n  }\n}\n\nfunction addSocketListener<K extends keyof WebSocketEventMap>(socket: WebSocket, type: K, handler: (this: WebSocket, ev: WebSocketEventMap[K]) => any): IDisposable {\n  socket.addEventListener(type, handler);\n  return {\n    dispose: () => {\n      if (!handler) {\n        // Already disposed\n        return;\n      }\n      socket.removeEventListener(type, handler);\n    }\n  };\n}\n"],"names":["root","factory","exports","module","define","amd","self","addSocketListener","socket","type","handler","addEventListener","dispose","removeEventListener","constructor","options","_disposables","this","_socket","binaryType","_bidirectional","bidirectional","activate","terminal","push","ev","data","write","Uint8Array","onData","_sendData","onBinary","_sendBinary","d","_checkOpenSocket","send","buffer","length","i","charCodeAt","readyState","WebSocket","OPEN","CONNECTING","Error","CLOSING","console","warn","CLOSED"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-attach/package.json b/web/public/node_modules/@xterm/addon-attach/package.json
new file mode 100644
index 000000000..e733b60c1
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "@xterm/addon-attach",
+  "version": "0.11.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-attach.js",
+  "types": "typings/addon-attach.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-attach",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "build": "../../node_modules/.bin/tsc -p .",
+    "prepackage": "npm run build",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-attach/src/AttachAddon.ts b/web/public/node_modules/@xterm/addon-attach/src/AttachAddon.ts
new file mode 100644
index 000000000..37a10d170
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/src/AttachAddon.ts
@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) 2014, 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * Implements the attach method, that attaches the terminal to a WebSocket stream.
+ */
+
+import type { Terminal, IDisposable, ITerminalAddon } from '@xterm/xterm';
+import type { AttachAddon as IAttachApi } from '@xterm/addon-attach';
+
+interface IAttachOptions {
+  bidirectional?: boolean;
+}
+
+export class AttachAddon implements ITerminalAddon , IAttachApi {
+  private _socket: WebSocket;
+  private _bidirectional: boolean;
+  private _disposables: IDisposable[] = [];
+
+  constructor(socket: WebSocket, options?: IAttachOptions) {
+    this._socket = socket;
+    // always set binary type to arraybuffer, we do not handle blobs
+    this._socket.binaryType = 'arraybuffer';
+    this._bidirectional = !(options && options.bidirectional === false);
+  }
+
+  public activate(terminal: Terminal): void {
+    this._disposables.push(
+      addSocketListener(this._socket, 'message', ev => {
+        const data: ArrayBuffer | string = ev.data;
+        terminal.write(typeof data === 'string' ? data : new Uint8Array(data));
+      })
+    );
+
+    if (this._bidirectional) {
+      this._disposables.push(terminal.onData(data => this._sendData(data)));
+      this._disposables.push(terminal.onBinary(data => this._sendBinary(data)));
+    }
+
+    this._disposables.push(addSocketListener(this._socket, 'close', () => this.dispose()));
+    this._disposables.push(addSocketListener(this._socket, 'error', () => this.dispose()));
+  }
+
+  public dispose(): void {
+    for (const d of this._disposables) {
+      d.dispose();
+    }
+  }
+
+  private _sendData(data: string): void {
+    if (!this._checkOpenSocket()) {
+      return;
+    }
+    this._socket.send(data);
+  }
+
+  private _sendBinary(data: string): void {
+    if (!this._checkOpenSocket()) {
+      return;
+    }
+    const buffer = new Uint8Array(data.length);
+    for (let i = 0; i < data.length; ++i) {
+      buffer[i] = data.charCodeAt(i) & 255;
+    }
+    this._socket.send(buffer);
+  }
+
+  private _checkOpenSocket(): boolean {
+    switch (this._socket.readyState) {
+      case WebSocket.OPEN:
+        return true;
+      case WebSocket.CONNECTING:
+        throw new Error('Attach addon was loaded before socket was open');
+      case WebSocket.CLOSING:
+        console.warn('Attach addon socket is closing');
+        return false;
+      case WebSocket.CLOSED:
+        throw new Error('Attach addon socket is closed');
+      default:
+        throw new Error('Unexpected socket state');
+    }
+  }
+}
+
+function addSocketListener<K extends keyof WebSocketEventMap>(socket: WebSocket, type: K, handler: (this: WebSocket, ev: WebSocketEventMap[K]) => any): IDisposable {
+  socket.addEventListener(type, handler);
+  return {
+    dispose: () => {
+      if (!handler) {
+        // Already disposed
+        return;
+      }
+      socket.removeEventListener(type, handler);
+    }
+  };
+}
diff --git a/web/public/node_modules/@xterm/addon-attach/typings/addon-attach.d.ts b/web/public/node_modules/@xterm/addon-attach/typings/addon-attach.d.ts
new file mode 100644
index 000000000..4e1b2fc3b
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-attach/typings/addon-attach.d.ts
@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Terminal, ITerminalAddon } from '@xterm/xterm';
+
+declare module '@xterm/addon-attach' {
+  export interface IAttachOptions {
+    /**
+     * Whether input should be written to the backend. Defaults to `true`.
+     */
+    bidirectional?: boolean;
+  }
+
+  export class AttachAddon implements ITerminalAddon {
+    constructor(socket: WebSocket, options?: IAttachOptions);
+    public activate(terminal: Terminal): void;
+    public dispose(): void;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-clipboard/LICENSE b/web/public/node_modules/@xterm/addon-clipboard/LICENSE
new file mode 100644
index 000000000..b6c38b154
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-clipboard/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2023, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/addon-clipboard/README.md b/web/public/node_modules/@xterm/addon-clipboard/README.md
new file mode 100644
index 000000000..7fef805ca
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-clipboard/README.md
@@ -0,0 +1,53 @@
+## @xterm/addon-clipboard
+
+An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables
+accessing the system clipboard. This addon requires xterm.js v4+.
+
+### Install
+
+```bash
+npm install --save @xterm/addon-clipboard
+```
+
+### Usage
+
+```ts
+import { Terminal } from 'xterm';
+import { ClipboardAddon } from '@xterm/addon-clipboard';
+
+const terminal = new Terminal();
+const clipboardAddon = new ClipboardAddon();
+terminal.loadAddon(clipboardAddon);
+```
+
+To use a custom clipboard provider
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { ClipboardAddon, IClipboardProvider, ClipboardSelectionType } from '@xterm/addon-clipboard';
+
+function b64Encode(data: string): string {
+  // Base64 encode impl
+}
+
+function b64Decode(data: string): string {
+  // Base64 decode impl
+}
+
+class MyCustomClipboardProvider implements IClipboardProvider {
+  private _data: string
+  public readText(selection: ClipboardSelectionType): Promise<string> {
+    return Promise.resolve(b64Encode(this._data));
+  }
+  public writeText(selection: ClipboardSelectionType, data: string): Promise<void> {
+    this._data = b64Decode(data);
+    return Promise.resolve();
+  }
+}
+
+const terminal = new Terminal();
+const clipboardAddon = new ClipboardAddon(new MyCustomClipboardProvider());
+terminal.loadAddon(clipboardAddon);
+```
+
+See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-clipboard/typings/addon-clipboard.d.ts) for more advanced usage.
diff --git a/web/public/node_modules/@xterm/addon-clipboard/lib/addon-clipboard.js b/web/public/node_modules/@xterm/addon-clipboard/lib/addon-clipboard.js
new file mode 100644
index 000000000..76faa9a51
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-clipboard/lib/addon-clipboard.js
@@ -0,0 +1,2 @@
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.ClipboardAddon=e():t.ClipboardAddon=e()}(self,(()=>(()=>{var t={575:function(t,e,r){"undefined"!=typeof self?self:"undefined"!=typeof window?window:void 0!==r.g&&r.g,t.exports=function(){"use strict";var t,e="3.7.7",r=e,n="function"==typeof Buffer,o="function"==typeof TextDecoder?new TextDecoder:void 0,i="function"==typeof TextEncoder?new TextEncoder:void 0,u=Array.prototype.slice.call("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="),a=(t={},u.forEach((function(e,r){return t[e]=r})),t),c=/^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/,f=String.fromCharCode.bind(String),s="function"==typeof Uint8Array.from?Uint8Array.from.bind(Uint8Array):function(t){return new Uint8Array(Array.prototype.slice.call(t,0))},d=function(t){return 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+//# sourceMappingURL=addon-clipboard.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-clipboard/lib/addon-clipboard.js.map b/web/public/node_modules/@xterm/addon-clipboard/lib/addon-clipboard.js.map
new file mode 100644
index 000000000..1d65f21b1
--- /dev/null
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardAddon\"] = factory();\n\telse\n\t\troot[\"ClipboardAddon\"] = factory();\n})(self, () => {\nreturn ","//\n// THIS FILE IS AUTOMATICALLY GENERATED! DO NOT EDIT BY HAND!\n//\n;\n(function (global, factory) {\n    typeof exports === 'object' && typeof module !== 'undefined'\n        ? module.exports = factory()\n        : typeof define === 'function' && define.amd\n            ? define(factory) :\n            // cf. https://github.com/dankogai/js-base64/issues/119\n            (function () {\n                // existing version for noConflict()\n                var _Base64 = global.Base64;\n                var gBase64 = factory();\n                gBase64.noConflict = function () {\n                    global.Base64 = _Base64;\n                    return gBase64;\n                };\n                if (global.Meteor) { // Meteor.js\n                    Base64 = gBase64;\n                }\n                global.Base64 = gBase64;\n            })();\n}((typeof self !== 'undefined' ? self\n    : typeof window !== 'undefined' ? window\n        : typeof global !== 'undefined' ? global\n            : this), function () {\n    'use strict';\n    /**\n     *  base64.ts\n     *\n     *  Licensed under the BSD 3-Clause License.\n     *    http://opensource.org/licenses/BSD-3-Clause\n     *\n     *  References:\n     *    http://en.wikipedia.org/wiki/Base64\n     *\n     * @author Dan Kogai (https://github.com/dankogai)\n     */\n    var version = '3.7.7';\n    /**\n     * @deprecated use lowercase `version`.\n     */\n    var VERSION = version;\n    var _hasBuffer = typeof Buffer === 'function';\n    var _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;\n    var _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;\n    var b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n    var b64chs = Array.prototype.slice.call(b64ch);\n    var b64tab = (function (a) {\n        var tab = {};\n        a.forEach(function (c, i) { return tab[c] = i; });\n        return tab;\n    })(b64chs);\n    var b64re = /^(?:[A-Za-z\\d+\\/]{4})*?(?:[A-Za-z\\d+\\/]{2}(?:==)?|[A-Za-z\\d+\\/]{3}=?)?$/;\n    var _fromCC = String.fromCharCode.bind(String);\n    var _U8Afrom = typeof Uint8Array.from === 'function'\n        ? 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'-' : '_'; }); };\n    var _tidyB64 = function (s) { return s.replace(/[^A-Za-z0-9\\+\\/]/g, ''); };\n    /**\n     * polyfill version of `btoa`\n     */\n    var btoaPolyfill = function (bin) {\n        // console.log('polyfilled');\n        var u32, c0, c1, c2, asc = '';\n        var pad = bin.length % 3;\n        for (var i = 0; i < bin.length;) {\n            if ((c0 = bin.charCodeAt(i++)) > 255 ||\n                (c1 = bin.charCodeAt(i++)) > 255 ||\n                (c2 = bin.charCodeAt(i++)) > 255)\n                throw new TypeError('invalid character found');\n            u32 = (c0 << 16) | (c1 << 8) | c2;\n            asc += b64chs[u32 >> 18 & 63]\n                + b64chs[u32 >> 12 & 63]\n                + b64chs[u32 >> 6 & 63]\n                + b64chs[u32 & 63];\n        }\n        return pad ? asc.slice(0, pad - 3) + \"===\".substring(pad) : asc;\n    };\n    /**\n     * does what `window.btoa` of web browsers do.\n     * @param {String} bin binary string\n     * @returns {string} Base64-encoded string\n     */\n    var _btoa = typeof btoa === 'function' ? function (bin) { return btoa(bin); }\n        : _hasBuffer ? function (bin) { return Buffer.from(bin, 'binary').toString('base64'); }\n            : btoaPolyfill;\n    var _fromUint8Array = _hasBuffer\n        ? function (u8a) { return Buffer.from(u8a).toString('base64'); }\n        : function (u8a) {\n            // cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326\n            var maxargs = 0x1000;\n            var strs = [];\n            for (var i = 0, l = u8a.length; i < l; i += maxargs) {\n                strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));\n            }\n            return _btoa(strs.join(''));\n        };\n    /**\n     * converts a Uint8Array to a Base64 string.\n     * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5\n     * @returns {string} Base64 string\n     */\n    var fromUint8Array = function (u8a, urlsafe) {\n        if (urlsafe === void 0) { urlsafe = false; }\n        return urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);\n    };\n    // This trick is found broken https://github.com/dankogai/js-base64/issues/130\n    // const utob = (src: string) => unescape(encodeURIComponent(src));\n    // reverting good old fationed regexp\n    var cb_utob = function (c) {\n        if (c.length < 2) {\n            var cc = c.charCodeAt(0);\n            return cc < 0x80 ? c\n                : cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))\n                    + _fromCC(0x80 | (cc & 0x3f)))\n                    : (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))\n                        + _fromCC(0x80 | ((cc >>> 6) & 0x3f))\n                        + _fromCC(0x80 | (cc & 0x3f)));\n        }\n        else {\n            var cc = 0x10000\n                + (c.charCodeAt(0) - 0xD800) * 0x400\n                + (c.charCodeAt(1) - 0xDC00);\n            return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))\n                + _fromCC(0x80 | ((cc >>> 12) & 0x3f))\n                + _fromCC(0x80 | ((cc >>> 6) & 0x3f))\n                + _fromCC(0x80 | (cc & 0x3f)));\n        }\n    };\n    var re_utob = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFFF]|[^\\x00-\\x7F]/g;\n    /**\n     * @deprecated should have been internal use only.\n     * @param {string} src UTF-8 string\n     * @returns {string} UTF-16 string\n     */\n    var utob = function (u) { return u.replace(re_utob, cb_utob); };\n    //\n    var _encode = _hasBuffer\n        ? function (s) { return Buffer.from(s, 'utf8').toString('base64'); }\n        : _TE\n            ? function (s) { return _fromUint8Array(_TE.encode(s)); }\n            : function (s) { return _btoa(utob(s)); };\n    /**\n     * converts a UTF-8-encoded string to a Base64 string.\n     * @param {boolean} [urlsafe] if `true` make the result URL-safe\n     * @returns {string} Base64 string\n     */\n    var encode = function (src, urlsafe) {\n        if (urlsafe === void 0) { urlsafe = false; }\n        return urlsafe\n            ? _mkUriSafe(_encode(src))\n            : _encode(src);\n    };\n    /**\n     * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.\n     * @returns {string} Base64 string\n     */\n    var encodeURI = function (src) { return encode(src, true); };\n    // This trick is found broken https://github.com/dankogai/js-base64/issues/130\n    // const btou = (src: string) => decodeURIComponent(escape(src));\n    // reverting good old fationed regexp\n    var re_btou = /[\\xC0-\\xDF][\\x80-\\xBF]|[\\xE0-\\xEF][\\x80-\\xBF]{2}|[\\xF0-\\xF7][\\x80-\\xBF]{3}/g;\n    var cb_btou = function (cccc) {\n        switch (cccc.length) {\n            case 4:\n                var cp = ((0x07 & cccc.charCodeAt(0)) << 18)\n                    | ((0x3f & cccc.charCodeAt(1)) << 12)\n                    | ((0x3f & cccc.charCodeAt(2)) << 6)\n                    | (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;\n                return (_fromCC((offset >>> 10) + 0xD800)\n                    + _fromCC((offset & 0x3FF) + 0xDC00));\n            case 3:\n                return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)\n                    | ((0x3f & cccc.charCodeAt(1)) << 6)\n                    | (0x3f & cccc.charCodeAt(2)));\n            default:\n                return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)\n                    | (0x3f & cccc.charCodeAt(1)));\n        }\n    };\n    /**\n     * @deprecated should have been internal use only.\n     * @param {string} src UTF-16 string\n     * @returns {string} UTF-8 string\n     */\n    var btou = function (b) { return b.replace(re_btou, cb_btou); };\n    /**\n     * polyfill version of `atob`\n     */\n    var atobPolyfill = function (asc) {\n        // console.log('polyfilled');\n        asc = asc.replace(/\\s+/g, '');\n        if (!b64re.test(asc))\n            throw new TypeError('malformed base64.');\n        asc += '=='.slice(2 - (asc.length & 3));\n        var u24, bin = '', r1, r2;\n        for (var i = 0; i < asc.length;) {\n            u24 = b64tab[asc.charAt(i++)] << 18\n                | b64tab[asc.charAt(i++)] << 12\n                | (r1 = b64tab[asc.charAt(i++)]) << 6\n                | (r2 = b64tab[asc.charAt(i++)]);\n            bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)\n                : r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)\n                    : _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);\n        }\n        return bin;\n    };\n    /**\n     * does what `window.atob` of web browsers do.\n     * @param {String} asc Base64-encoded string\n     * @returns {string} binary string\n     */\n    var _atob = typeof atob === 'function' ? function (asc) { return atob(_tidyB64(asc)); }\n        : _hasBuffer ? function (asc) { return Buffer.from(asc, 'base64').toString('binary'); }\n            : atobPolyfill;\n    //\n    var _toUint8Array = _hasBuffer\n        ? function (a) { return _U8Afrom(Buffer.from(a, 'base64')); }\n        : function (a) { return _U8Afrom(_atob(a).split('').map(function (c) { return c.charCodeAt(0); })); };\n    /**\n     * converts a Base64 string to a Uint8Array.\n     */\n    var toUint8Array = function (a) { return _toUint8Array(_unURI(a)); };\n    //\n    var _decode = _hasBuffer\n        ? function (a) { return Buffer.from(a, 'base64').toString('utf8'); }\n        : _TD\n            ? function (a) { return _TD.decode(_toUint8Array(a)); }\n            : function (a) { return btou(_atob(a)); };\n    var _unURI = function (a) { return _tidyB64(a.replace(/[-_]/g, function (m0) { return m0 == '-' ? '+' : '/'; })); };\n    /**\n     * converts a Base64 string to a UTF-8 string.\n     * @param {String} src Base64 string.  Both normal and URL-safe are supported\n     * @returns {string} UTF-8 string\n     */\n    var decode = function (src) { return _decode(_unURI(src)); };\n    /**\n     * check if a value is a valid Base64 string\n     * @param {String} src a value to check\n      */\n    var isValid = function (src) {\n        if (typeof src !== 'string')\n            return false;\n        var s = src.replace(/\\s+/g, '').replace(/={0,2}$/, '');\n        return !/[^\\s0-9a-zA-Z\\+/]/.test(s) || !/[^\\s0-9a-zA-Z\\-_]/.test(s);\n    };\n    //\n    var _noEnum = function (v) {\n        return {\n            value: v, enumerable: false, writable: true, configurable: true\n        };\n    };\n    /**\n     * extend String.prototype with relevant methods\n     */\n    var extendString = function () {\n        var _add = function (name, body) { return Object.defineProperty(String.prototype, name, _noEnum(body)); };\n        _add('fromBase64', function () { return decode(this); });\n        _add('toBase64', function (urlsafe) { return encode(this, urlsafe); });\n        _add('toBase64URI', function () { return encode(this, true); });\n        _add('toBase64URL', function () { return encode(this, true); });\n        _add('toUint8Array', function () { return toUint8Array(this); });\n    };\n    /**\n     * extend Uint8Array.prototype with relevant methods\n     */\n    var extendUint8Array = function () {\n        var _add = function (name, body) { return Object.defineProperty(Uint8Array.prototype, name, _noEnum(body)); };\n        _add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });\n        _add('toBase64URI', function () { return fromUint8Array(this, true); });\n        _add('toBase64URL', function () { return fromUint8Array(this, true); });\n    };\n    /**\n     * extend Builtin prototypes with relevant methods\n     */\n    var extendBuiltins = function () {\n        extendString();\n        extendUint8Array();\n    };\n    var gBase64 = {\n        version: version,\n        VERSION: VERSION,\n        atob: _atob,\n        atobPolyfill: atobPolyfill,\n        btoa: _btoa,\n        btoaPolyfill: btoaPolyfill,\n        fromBase64: decode,\n        toBase64: encode,\n        encode: encode,\n        encodeURI: encodeURI,\n        encodeURL: encodeURI,\n        utob: utob,\n        btou: btou,\n        decode: decode,\n        isValid: isValid,\n        fromUint8Array: fromUint8Array,\n        toUint8Array: toUint8Array,\n        extendString: extendString,\n        extendUint8Array: extendUint8Array,\n        extendBuiltins: extendBuiltins\n    };\n    //\n    // export Base64 to the namespace\n    //\n    // ES5 is yet to have Object.assign() that may make transpilers unhappy.\n    // gBase64.Base64 = Object.assign({}, gBase64);\n    gBase64.Base64 = {};\n    Object.keys(gBase64).forEach(function (k) { return gBase64.Base64[k] = gBase64[k]; });\n    return gBase64;\n}));\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","__webpack_require__.g = (function() {\n\tif (typeof globalThis === 'object') return globalThis;\n\ttry {\n\t\treturn this || new Function('return this')();\n\t} catch (e) {\n\t\tif (typeof window === 'object') return window;\n\t}\n})();","/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport type { IDisposable, ITerminalAddon, Terminal } from '@xterm/xterm';\nimport { type IClipboardProvider, ClipboardSelectionType, type IBase64 } from '@xterm/addon-clipboard';\nimport { Base64 as JSBase64 } from 'js-base64';\n\nexport class ClipboardAddon implements ITerminalAddon {\n  private _terminal?: Terminal;\n  private _disposable?: IDisposable;\n\n  constructor(\n    private _base64: IBase64 = new Base64(),\n    private _provider: IClipboardProvider = new BrowserClipboardProvider()\n  ) {}\n\n  public activate(terminal: Terminal): void {\n    this._terminal = terminal;\n    this._disposable = terminal.parser.registerOscHandler(52, data => this._setOrReportClipboard(data));\n  }\n\n  public dispose(): void {\n    return this._disposable?.dispose();\n  }\n\n  private _readText(sel: ClipboardSelectionType, data: string): void {\n    const b64 = this._base64.encodeText(data);\n    this._terminal?.input(`\\x1b]52;${sel};${b64}\\x07`, false);\n  }\n\n  private _setOrReportClipboard(data: string): boolean | Promise<boolean> {\n    const args = data.split(';');\n    if (args.length < 2) {\n      return true;\n    }\n\n    const pc = args[0] as ClipboardSelectionType;\n    const pd = args[1];\n    if (pd === '?') {\n      const text = this._provider.readText(pc);\n\n      // Report clipboard\n      if (text instanceof Promise) {\n        return text.then((data) => {\n          this._readText(pc, data);\n          return true;\n        });\n      }\n\n      this._readText(pc, text);\n      return true;\n    }\n\n    // Clear clipboard if text is not a base64 encoded string.\n    let text = '';\n    try {\n      text = this._base64.decodeText(pd);\n    } catch {}\n\n\n    const result = this._provider.writeText(pc, text);\n    if (result instanceof Promise) {\n      return result.then(() => true);\n    }\n\n    return true;\n  }\n}\n\nexport class BrowserClipboardProvider implements IClipboardProvider {\n  public async readText(selection: ClipboardSelectionType): Promise<string> {\n    if (selection !== 'c') {\n      return Promise.resolve('');\n    }\n    return navigator.clipboard.readText();\n  }\n\n  public async writeText(selection: ClipboardSelectionType, text: string): Promise<void> {\n    if (selection !== 'c') {\n      return Promise.resolve();\n    }\n    return navigator.clipboard.writeText(text);\n  }\n}\n\nexport class Base64 implements IBase64 {\n  public encodeText(data: string): string {\n    return JSBase64.encode(data);\n  }\n  public decodeText(data: string): string {\n    const text = JSBase64.decode(data);\n    if (!JSBase64.isValid(data) || JSBase64.encode(text) !== data) {\n      return '';\n    }\n    return text;\n  }\n}\n"],"names":["root","factory","exports","module","define","amd","self","window","g","tab","version","VERSION","_hasBuffer","Buffer","_TD","TextDecoder","undefined","_TE","TextEncoder","b64chs","Array","prototype","slice","call","b64tab","forEach","c","i","b64re","_fromCC","String","fromCharCode","bind","_U8Afrom","Uint8Array","from","it","_mkUriSafe","src","replace","m0","_tidyB64","s","btoaPolyfill","bin","u32","c0","c1","c2","asc","pad","length","charCodeAt","TypeError","substring","_btoa","btoa","toString","_fromUint8Array","u8a","strs","l","push","apply","subarray","join","fromUint8Array","urlsafe","cb_utob","cc","re_utob","utob","u","_encode","encode","encodeURI","re_btou","cb_btou","cccc","offset","btou","b","atobPolyfill","test","u24","r1","r2","charAt","_atob","atob","_toUint8Array","a","split","map","toUint8Array","_unURI","_decode","decode","_noEnum","v","value","enumerable","writable","configurable","extendString","_add","name","body","Object","defineProperty","this","extendUint8Array","gBase64","fromBase64","toBase64","encodeURL","isValid","extendBuiltins","keys","k","Base64","__webpack_module_cache__","__webpack_require__","moduleId","cachedModule","__webpack_modules__","globalThis","Function","e","constructor","_base64","_provider","BrowserClipboardProvider","activate","terminal","_terminal","_disposable","parser","registerOscHandler","data","_setOrReportClipboard","dispose","_readText","sel","b64","encodeText","input","args","pc","pd","text","readText","Promise","then","decodeText","result","writeText","selection","resolve","navigator","clipboard"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-clipboard/package.json b/web/public/node_modules/@xterm/addon-clipboard/package.json
new file mode 100644
index 000000000..fc25722ff
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-clipboard/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "@xterm/addon-clipboard",
+  "version": "0.1.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-clipboard.js",
+  "types": "typings/addon-clipboard.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-clipboard",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "build": "../../node_modules/.bin/tsc -p .",
+    "prepackage": "npm run build",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.4.0"
+  },
+  "dependencies": {
+    "js-base64": "^3.7.5"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-clipboard/src/ClipboardAddon.ts b/web/public/node_modules/@xterm/addon-clipboard/src/ClipboardAddon.ts
new file mode 100644
index 000000000..58425924f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-clipboard/src/ClipboardAddon.ts
@@ -0,0 +1,99 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import type { IDisposable, ITerminalAddon, Terminal } from '@xterm/xterm';
+import { type IClipboardProvider, ClipboardSelectionType, type IBase64 } from '@xterm/addon-clipboard';
+import { Base64 as JSBase64 } from 'js-base64';
+
+export class ClipboardAddon implements ITerminalAddon {
+  private _terminal?: Terminal;
+  private _disposable?: IDisposable;
+
+  constructor(
+    private _base64: IBase64 = new Base64(),
+    private _provider: IClipboardProvider = new BrowserClipboardProvider()
+  ) {}
+
+  public activate(terminal: Terminal): void {
+    this._terminal = terminal;
+    this._disposable = terminal.parser.registerOscHandler(52, data => this._setOrReportClipboard(data));
+  }
+
+  public dispose(): void {
+    return this._disposable?.dispose();
+  }
+
+  private _readText(sel: ClipboardSelectionType, data: string): void {
+    const b64 = this._base64.encodeText(data);
+    this._terminal?.input(`\x1b]52;${sel};${b64}\x07`, false);
+  }
+
+  private _setOrReportClipboard(data: string): boolean | Promise<boolean> {
+    const args = data.split(';');
+    if (args.length < 2) {
+      return true;
+    }
+
+    const pc = args[0] as ClipboardSelectionType;
+    const pd = args[1];
+    if (pd === '?') {
+      const text = this._provider.readText(pc);
+
+      // Report clipboard
+      if (text instanceof Promise) {
+        return text.then((data) => {
+          this._readText(pc, data);
+          return true;
+        });
+      }
+
+      this._readText(pc, text);
+      return true;
+    }
+
+    // Clear clipboard if text is not a base64 encoded string.
+    let text = '';
+    try {
+      text = this._base64.decodeText(pd);
+    } catch {}
+
+
+    const result = this._provider.writeText(pc, text);
+    if (result instanceof Promise) {
+      return result.then(() => true);
+    }
+
+    return true;
+  }
+}
+
+export class BrowserClipboardProvider implements IClipboardProvider {
+  public async readText(selection: ClipboardSelectionType): Promise<string> {
+    if (selection !== 'c') {
+      return Promise.resolve('');
+    }
+    return navigator.clipboard.readText();
+  }
+
+  public async writeText(selection: ClipboardSelectionType, text: string): Promise<void> {
+    if (selection !== 'c') {
+      return Promise.resolve();
+    }
+    return navigator.clipboard.writeText(text);
+  }
+}
+
+export class Base64 implements IBase64 {
+  public encodeText(data: string): string {
+    return JSBase64.encode(data);
+  }
+  public decodeText(data: string): string {
+    const text = JSBase64.decode(data);
+    if (!JSBase64.isValid(data) || JSBase64.encode(text) !== data) {
+      return '';
+    }
+    return text;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-clipboard/typings/addon-clipboard.d.ts b/web/public/node_modules/@xterm/addon-clipboard/typings/addon-clipboard.d.ts
new file mode 100644
index 000000000..f37748fad
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-clipboard/typings/addon-clipboard.d.ts
@@ -0,0 +1,111 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Terminal, ITerminalAddon } from '@xterm/xterm';
+
+declare module '@xterm/addon-clipboard' {
+  /**
+   * An xterm.js addon that enables accessing the system clipboard from
+   * xterm.js.
+   */
+  export class ClipboardAddon implements ITerminalAddon {
+    /**
+     * Creates a new clipboard addon.
+     */
+    constructor(provider?: IClipboardProvider);
+
+    /**
+     * Activates the addon
+     * @param terminal The terminal the addon is being loaded in.
+     */
+    public activate(terminal: Terminal): void;
+
+    /**
+     * Disposes the addon.
+     */
+    public dispose(): void
+  }
+
+  /**
+   * Clipboard selection type. This is used to specify which selection buffer to
+   * read or write to.
+   * - SYSTEM `c`: The system clipboard.
+   * - PRIMARY `p`: The primary clipboard. This is provided for compatibility
+   *  with Linux X11.
+   */
+  export const enum ClipboardSelectionType {
+    SYSTEM = 'c',
+    PRIMARY = 'p',
+  }
+
+  export interface IBase64 {
+    /**
+    * Converts a utf-8 string to a base64 string.
+    * @param data The utf-8 string to convert to base64 string.
+    */
+    encodeText(data: string): string;
+
+    /**
+    * Converts a base64 string to a utf-8 string.
+    * @param data The base64 string to convert to utf-8 string.
+    * @throws An error if the input is not valid base64.
+    */
+    decodeText(data: string): string;
+  }
+
+  /**
+   * A default Base64 encoding and decoding type.
+   **/
+  export class Base64 implements IBase64 {
+    /**
+     * Converts a utf-8 string to a base64 string.
+     * @param data The utf-8 string to convert to base64 string.
+     */
+    public encodeText(data: string): string;
+
+    /**
+     * Converts a base64 string to a utf-8 string.
+     * @param data The base64 string to convert to utf-8 string.
+     * @throws An error if the input is not valid base64.
+     */
+    public decodeText(data: string): string;
+  }
+
+  export interface IClipboardProvider {
+    /**
+     * Gets the clipboard content.
+     * @param selection The clipboard selection to read.
+     * @returns A promise that resolves with clipboard selection data.
+     */
+    readText(selection: ClipboardSelectionType): string | Promise<string>;
+
+    /**
+     * Sets the clipboard content.
+     * @param selection The clipboard selection to set.
+     * @param data The clipboard text to write.
+     */
+    writeText(selection: ClipboardSelectionType, text: string): void | Promise<void>;
+  }
+
+  /**
+   * The clipboard provider interface that enables xterm.js to access the system clipboard.
+   */
+  export class BrowserClipboardProvider implements IClipboardProvider{
+    /**
+     * Reads text from the clipboard.
+     * @param selection The selection type to read from.
+     * @returns A promise that resolves with the text from the clipboard.
+     */
+    public readText(selection: ClipboardSelectionType): Promise<string>;
+
+    /**
+     * Writes text to the clipboard.
+     * @param selection The selection type to write to.
+     * @param data The text to write to the clipboard.
+     * @returns A promise that resolves when the text has been written to the clipboard.
+     */
+    public writeText(selection: ClipboardSelectionType, data: string): Promise<void>;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-fit/LICENSE b/web/public/node_modules/@xterm/addon-fit/LICENSE
new file mode 100644
index 000000000..8f1789258
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2019, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/addon-fit/README.md b/web/public/node_modules/@xterm/addon-fit/README.md
new file mode 100644
index 000000000..076e51271
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/README.md
@@ -0,0 +1,24 @@
+## @xterm/addon-fit
+
+An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables fitting the terminal's dimensions to a containing element. This addon requires xterm.js v4+.
+
+### Install
+
+```bash
+npm install --save @xterm/addon-fit
+```
+
+### Usage
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { FitAddon } from '@xterm/addon-fit';
+
+const terminal = new Terminal();
+const fitAddon = new FitAddon();
+terminal.loadAddon(fitAddon);
+terminal.open(containerElement);
+fitAddon.fit();
+```
+
+See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-fit/typings/addon-fit.d.ts) for more advanced usage.
diff --git a/web/public/node_modules/@xterm/addon-fit/lib/addon-fit.js b/web/public/node_modules/@xterm/addon-fit/lib/addon-fit.js
new file mode 100644
index 000000000..038897193
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/lib/addon-fit.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.FitAddon=t():e.FitAddon=t()}(self,(()=>(()=>{"use strict";var e={};return(()=>{var t=e;Object.defineProperty(t,"__esModule",{value:!0}),t.FitAddon=void 0,t.FitAddon=class{activate(e){this._terminal=e}dispose(){}fit(){const e=this.proposeDimensions();if(!e||!this._terminal||isNaN(e.cols)||isNaN(e.rows))return;const t=this._terminal._core;this._terminal.rows===e.rows&&this._terminal.cols===e.cols||(t._renderService.clear(),this._terminal.resize(e.cols,e.rows))}proposeDimensions(){if(!this._terminal)return;if(!this._terminal.element||!this._terminal.element.parentElement)return;const e=this._terminal._core,t=e._renderService.dimensions;if(0===t.css.cell.width||0===t.css.cell.height)return;const r=0===this._terminal.options.scrollback?0:e.viewport.scrollBarWidth,i=window.getComputedStyle(this._terminal.element.parentElement),o=parseInt(i.getPropertyValue("height")),s=Math.max(0,parseInt(i.getPropertyValue("width"))),n=window.getComputedStyle(this._terminal.element),l=o-(parseInt(n.getPropertyValue("padding-top"))+parseInt(n.getPropertyValue("padding-bottom"))),a=s-(parseInt(n.getPropertyValue("padding-right"))+parseInt(n.getPropertyValue("padding-left")))-r;return{cols:Math.max(2,Math.floor(a/t.css.cell.width)),rows:Math.max(1,Math.floor(l/t.css.cell.height))}}}})(),e})()));
+//# sourceMappingURL=addon-fit.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-fit/lib/addon-fit.js.map b/web/public/node_modules/@xterm/addon-fit/lib/addon-fit.js.map
new file mode 100644
index 000000000..b4502be7d
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/lib/addon-fit.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"addon-fit.js","mappings":"CAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAkB,SAAID,IAEtBD,EAAe,SAAIC,GACpB,CATD,CASGK,MAAM,I,mHCeT,iBAGS,QAAAC,CAASC,GACdC,KAAKC,UAAYF,CACnB,CAEO,OAAAG,GAAiB,CAEjB,GAAAC,GACL,MAAMC,EAAOJ,KAAKK,oBAClB,IAAKD,IAASJ,KAAKC,WAAaK,MAAMF,EAAKG,OAASD,MAAMF,EAAKI,MAC7D,OAIF,MAAMC,EAAQT,KAAKC,UAAkBS,MAGjCV,KAAKC,UAAUO,OAASJ,EAAKI,MAAQR,KAAKC,UAAUM,OAASH,EAAKG,OACpEE,EAAKE,eAAeC,QACpBZ,KAAKC,UAAUY,OAAOT,EAAKG,KAAMH,EAAKI,MAE1C,CAEO,iBAAAH,GACL,IAAKL,KAAKC,UACR,OAGF,IAAKD,KAAKC,UAAUa,UAAYd,KAAKC,UAAUa,QAAQC,cACrD,OAIF,MAAMN,EAAQT,KAAKC,UAAkBS,MAC/BN,EAA0BK,EAAKE,eAAeK,WAEpD,GAA4B,IAAxBZ,EAAKa,IAAIC,KAAKC,OAAwC,IAAzBf,EAAKa,IAAIC,KAAKE,OAC7C,OAGF,MAAMC,EAAuD,IAAtCrB,KAAKC,UAAUqB,QAAQC,WAC5C,EAAId,EAAKe,SAASC,eAEdC,EAAqBC,OAAOC,iBAAiB5B,KAAKC,UAAUa,QAAQC,eACpEc,EAAsBC,SAASJ,EAAmBK,iBAAiB,WACnEC,EAAqBC,KAAKC,IAAI,EAAGJ,SAASJ,EAAmBK,iBAAiB,WAC9EI,EAAeR,OAAOC,iBAAiB5B,KAAKC,UAAUa,SAStDsB,EAAkBP,GAPjBC,SAASK,EAAaJ,iBAAiB,gBACpCD,SAASK,EAAaJ,iBAAiB,oBAO3CM,EAAiBL,GANdF,SAASK,EAAaJ,iBAAiB,kBACxCD,SAASK,EAAaJ,iBAAiB,kBAKiBV,EAKhE,MAJiB,CACfd,KAAM0B,KAAKC,IA/DI,EA+DcD,KAAKK,MAAMD,EAAiBjC,EAAKa,IAAIC,KAAKC,QACvEX,KAAMyB,KAAKC,IA/DI,EA+DcD,KAAKK,MAAMF,EAAkBhC,EAAKa,IAAIC,KAAKE,SAG5E,E","sources":["webpack://FitAddon/webpack/universalModuleDefinition","webpack://FitAddon/./src/FitAddon.ts"],"sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"FitAddon\"] = factory();\n\telse\n\t\troot[\"FitAddon\"] = factory();\n})(self, () => {\nreturn ","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport type { Terminal, ITerminalAddon } from '@xterm/xterm';\nimport type { FitAddon as IFitApi } from '@xterm/addon-fit';\nimport { IRenderDimensions } from 'browser/renderer/shared/Types';\n\ninterface ITerminalDimensions {\n  /**\n   * The number of rows in the terminal.\n   */\n  rows: number;\n\n  /**\n   * The number of columns in the terminal.\n   */\n  cols: number;\n}\n\nconst MINIMUM_COLS = 2;\nconst MINIMUM_ROWS = 1;\n\nexport class FitAddon implements ITerminalAddon , IFitApi {\n  private _terminal: Terminal | undefined;\n\n  public activate(terminal: Terminal): void {\n    this._terminal = terminal;\n  }\n\n  public dispose(): void {}\n\n  public fit(): void {\n    const dims = this.proposeDimensions();\n    if (!dims || !this._terminal || isNaN(dims.cols) || isNaN(dims.rows)) {\n      return;\n    }\n\n    // TODO: Remove reliance on private API\n    const core = (this._terminal as any)._core;\n\n    // Force a full render\n    if (this._terminal.rows !== dims.rows || this._terminal.cols !== dims.cols) {\n      core._renderService.clear();\n      this._terminal.resize(dims.cols, dims.rows);\n    }\n  }\n\n  public proposeDimensions(): ITerminalDimensions | undefined {\n    if (!this._terminal) {\n      return undefined;\n    }\n\n    if (!this._terminal.element || !this._terminal.element.parentElement) {\n      return undefined;\n    }\n\n    // TODO: Remove reliance on private API\n    const core = (this._terminal as any)._core;\n    const dims: IRenderDimensions = core._renderService.dimensions;\n\n    if (dims.css.cell.width === 0 || dims.css.cell.height === 0) {\n      return undefined;\n    }\n\n    const scrollbarWidth = this._terminal.options.scrollback === 0 ?\n      0 : core.viewport.scrollBarWidth;\n\n    const parentElementStyle = window.getComputedStyle(this._terminal.element.parentElement);\n    const parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height'));\n    const parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')));\n    const elementStyle = window.getComputedStyle(this._terminal.element);\n    const elementPadding = {\n      top: parseInt(elementStyle.getPropertyValue('padding-top')),\n      bottom: parseInt(elementStyle.getPropertyValue('padding-bottom')),\n      right: parseInt(elementStyle.getPropertyValue('padding-right')),\n      left: parseInt(elementStyle.getPropertyValue('padding-left'))\n    };\n    const elementPaddingVer = elementPadding.top + elementPadding.bottom;\n    const elementPaddingHor = elementPadding.right + elementPadding.left;\n    const availableHeight = parentElementHeight - elementPaddingVer;\n    const availableWidth = parentElementWidth - elementPaddingHor - scrollbarWidth;\n    const geometry = {\n      cols: Math.max(MINIMUM_COLS, Math.floor(availableWidth / dims.css.cell.width)),\n      rows: Math.max(MINIMUM_ROWS, Math.floor(availableHeight / dims.css.cell.height))\n    };\n    return geometry;\n  }\n}\n"],"names":["root","factory","exports","module","define","amd","self","activate","terminal","this","_terminal","dispose","fit","dims","proposeDimensions","isNaN","cols","rows","core","_core","_renderService","clear","resize","element","parentElement","dimensions","css","cell","width","height","scrollbarWidth","options","scrollback","viewport","scrollBarWidth","parentElementStyle","window","getComputedStyle","parentElementHeight","parseInt","getPropertyValue","parentElementWidth","Math","max","elementStyle","availableHeight","availableWidth","floor"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-fit/package.json b/web/public/node_modules/@xterm/addon-fit/package.json
new file mode 100644
index 000000000..a362db3b2
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "@xterm/addon-fit",
+  "version": "0.10.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-fit.js",
+  "types": "typings/addon-fit.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-fit",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "build": "../../node_modules/.bin/tsc -p .",
+    "prepackage": "npm run build",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-fit/src/FitAddon.ts b/web/public/node_modules/@xterm/addon-fit/src/FitAddon.ts
new file mode 100644
index 000000000..2087e6146
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/src/FitAddon.ts
@@ -0,0 +1,90 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import type { Terminal, ITerminalAddon } from '@xterm/xterm';
+import type { FitAddon as IFitApi } from '@xterm/addon-fit';
+import { IRenderDimensions } from 'browser/renderer/shared/Types';
+
+interface ITerminalDimensions {
+  /**
+   * The number of rows in the terminal.
+   */
+  rows: number;
+
+  /**
+   * The number of columns in the terminal.
+   */
+  cols: number;
+}
+
+const MINIMUM_COLS = 2;
+const MINIMUM_ROWS = 1;
+
+export class FitAddon implements ITerminalAddon , IFitApi {
+  private _terminal: Terminal | undefined;
+
+  public activate(terminal: Terminal): void {
+    this._terminal = terminal;
+  }
+
+  public dispose(): void {}
+
+  public fit(): void {
+    const dims = this.proposeDimensions();
+    if (!dims || !this._terminal || isNaN(dims.cols) || isNaN(dims.rows)) {
+      return;
+    }
+
+    // TODO: Remove reliance on private API
+    const core = (this._terminal as any)._core;
+
+    // Force a full render
+    if (this._terminal.rows !== dims.rows || this._terminal.cols !== dims.cols) {
+      core._renderService.clear();
+      this._terminal.resize(dims.cols, dims.rows);
+    }
+  }
+
+  public proposeDimensions(): ITerminalDimensions | undefined {
+    if (!this._terminal) {
+      return undefined;
+    }
+
+    if (!this._terminal.element || !this._terminal.element.parentElement) {
+      return undefined;
+    }
+
+    // TODO: Remove reliance on private API
+    const core = (this._terminal as any)._core;
+    const dims: IRenderDimensions = core._renderService.dimensions;
+
+    if (dims.css.cell.width === 0 || dims.css.cell.height === 0) {
+      return undefined;
+    }
+
+    const scrollbarWidth = this._terminal.options.scrollback === 0 ?
+      0 : core.viewport.scrollBarWidth;
+
+    const parentElementStyle = window.getComputedStyle(this._terminal.element.parentElement);
+    const parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height'));
+    const parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')));
+    const elementStyle = window.getComputedStyle(this._terminal.element);
+    const elementPadding = {
+      top: parseInt(elementStyle.getPropertyValue('padding-top')),
+      bottom: parseInt(elementStyle.getPropertyValue('padding-bottom')),
+      right: parseInt(elementStyle.getPropertyValue('padding-right')),
+      left: parseInt(elementStyle.getPropertyValue('padding-left'))
+    };
+    const elementPaddingVer = elementPadding.top + elementPadding.bottom;
+    const elementPaddingHor = elementPadding.right + elementPadding.left;
+    const availableHeight = parentElementHeight - elementPaddingVer;
+    const availableWidth = parentElementWidth - elementPaddingHor - scrollbarWidth;
+    const geometry = {
+      cols: Math.max(MINIMUM_COLS, Math.floor(availableWidth / dims.css.cell.width)),
+      rows: Math.max(MINIMUM_ROWS, Math.floor(availableHeight / dims.css.cell.height))
+    };
+    return geometry;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-fit/typings/addon-fit.d.ts b/web/public/node_modules/@xterm/addon-fit/typings/addon-fit.d.ts
new file mode 100644
index 000000000..e3d20e29f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-fit/typings/addon-fit.d.ts
@@ -0,0 +1,55 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Terminal, ITerminalAddon } from '@xterm/xterm';
+
+declare module '@xterm/addon-fit' {
+  /**
+   * An xterm.js addon that enables resizing the terminal to the dimensions of
+   * its containing element.
+   */
+  export class FitAddon implements ITerminalAddon {
+    /**
+     * Creates a new fit addon.
+     */
+    constructor();
+
+    /**
+     * Activates the addon
+     * @param terminal The terminal the addon is being loaded in.
+     */
+    public activate(terminal: Terminal): void;
+
+    /**
+     * Disposes the addon.
+     */
+    public dispose(): void;
+
+    /**
+     * Resizes the terminal to the dimensions of its containing element.
+     */
+    public fit(): void;
+
+    /**
+     * Gets the proposed dimensions that will be used for a fit.
+     */
+    public proposeDimensions(): ITerminalDimensions | undefined;
+  }
+
+  /**
+   * Reprepresents the dimensions of a terminal.
+   */
+  export interface ITerminalDimensions {
+    /**
+     * The number of rows in the terminal.
+     */
+    rows: number;
+
+    /**
+     * The number of columns in the terminal.
+     */
+    cols: number;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/LICENSE b/web/public/node_modules/@xterm/addon-image/LICENSE
new file mode 100644
index 000000000..1a84fd06e
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2019, 2020, 2021, 2022, 2023 The xterm.js authors (https://github.com/xtermjs/xterm.js)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/addon-image/README.md b/web/public/node_modules/@xterm/addon-image/README.md
new file mode 100644
index 000000000..9fd327e38
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/README.md
@@ -0,0 +1,231 @@
+## @xterm/addon-image
+
+Inline image output in xterm.js. Supports SIXEL and iTerm's inline image protocol (IIP).
+
+
+![](fixture/example.png)
+
+
+### Install from npm
+
+```bash
+npm install --save @xterm/addon-image
+```
+
+
+### Usage
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { ImageAddon, IImageAddonOptions } from '@xterm/addon-image';
+
+// customize as needed (showing addon defaults)
+const customSettings: IImageAddonOptions = {
+  enableSizeReports: true,    // whether to enable CSI t reports (see below)
+  pixelLimit: 16777216,       // max. pixel size of a single image
+  sixelSupport: true,         // enable sixel support
+  sixelScrolling: true,       // whether to scroll on image output
+  sixelPaletteLimit: 256,     // initial sixel palette size
+  sixelSizeLimit: 25000000,   // size limit of a single sixel sequence
+  storageLimit: 128,          // FIFO storage limit in MB
+  showPlaceholder: true,      // whether to show a placeholder for evicted images
+  iipSupport: true,           // enable iTerm IIP support
+  iipSizeLimit: 20000000      // size limit of a single IIP sequence
+}
+
+// initialization
+const terminal = new Terminal();
+const imageAddon = new ImageAddon(customSettings);
+terminal.loadAddon(imageAddon);
+```
+
+### General Notes
+
+- *IMPORTANT:* The worker approach as done in previous releases got removed.
+  The addon contructor no longer expects a worker path as first argument.
+
+- By default the addon will activate these `windowOptions` reports on the terminal:
+  - getWinSizePixels (CSI 14 t)
+  - getCellSizePixels (CSI 16 t)
+  - getWinSizeChars (CSI 18 t)
+  
+  to help applications getting useful terminal metrics for their image preparations. Set `enableSizeReports` in the constructor options to `false`, if you dont want the addon to alter these terminal settings. This is especially useful, if you have very strict security needs not allowing any terminal reports, or deal with `windowOptions` by other means.
+
+
+### Operation Modes
+
+- **SIXEL Support**  
+  Set by default, change it with `{sixelSupport: true}`.
+
+- **Scrolling On | Off**  
+  By default scrolling is on, thus an image will advance the cursor at the bottom if needed.
+  (see cursor positioning).
+
+  If scrolling is off, the image gets painted from the top left of the current viewport
+  and might be truncated if the image exceeds the viewport size.
+  The cursor position does not change.
+
+  You can customize this behavior with the constructor option `{sixelScrolling: false}`
+  or with `DECSET 80` (off, binary: `\x1b [ ? 80 h`) and
+  `DECRST 80` (on, binary: `\x1b [ ? 80 l`) during runtime.
+
+- **Cursor Positioning**  
+  If scrolling is set, the cursor will be placed at the first image column of the last image row (VT340 mode).
+  Other cursor positioning modes as used by xterm or mintty are not supported.
+
+- **SIXEL Palette Handling**  
+  By default the addon limits the palette size to 256 registers (as demanded by the DEC specification).
+  The limit can be increased to a maximum of 4096 registers (via `sixelPaletteLimit`).
+
+  The default palette is a mixture of VT340 colors (lower 16 registers), xterm colors (up to 256) and zeros (up to 4096).
+  There is no private/shared palette distinction, palette colors are always carried over from a previous sixel image.
+  Restoring the default palette size and colors is possible with `XTSMGRAPHICS 1 ; 2` (binary: `\x1b[?1;2S`).
+  It gets also restored automatically on RIS and DECSTR.
+
+  Other than on older terminals, the underlying SIXEL library applies colors immediately to individual pixels
+  (*printer mode*), thus it is technically possible to use more colors in one image than the palette has color slots.
+  This feature is called *high-color* in libsixel.
+
+  A terminal wide shared palette mode with late indexed coloring of the output is not supported,
+  therefore palette animations cannot be used.
+
+- **SIXEL Raster Attributes Handling**  
+  If raster attributes were found in the SIXEL data (level 2), the image will always be truncated to the given height/width extend. We deviate here from the specification on purpose, as it allows several processing optimizations. For level 1 SIXEL data without any raster attributes the image can freely grow in width and height up to the last data byte, which has a much higher processing penalty. In general encoding libraries should not create level 1 data anymore and should not produce pixel information beyond the announced height/width extend. Both is discouraged by the >30 years old specification.
+
+  Currently the SIXEL implementation of the addon does not take custom pixel sizes into account, a SIXEL pixel will map 1:1 to a screen pixel.
+
+- **IIP Support (iTerm's Inline Image Protocol)**  
+  Set by default, change it with `{iipSupport: true}`.
+
+  The IIP implementation has the following features / restrictions (sequence will silently fail for unmet conditions):
+  - Supported formats: PNG, JPEG and GIF
+  - No animation support.
+  - Image type hinting is not supported (always deducted from data header).
+  - File download is not supported.
+  - Filename gets parsed but not used.
+  - Strict base64 handling as of RFC4648 §4 (standard alphabet, optional padding, no separator bytes allowed).
+  - Payload size may not exceed CEIL(sizeParameter * 4 / 3).
+  - Image scaling beyond terminal viewport size is allowed (e.g. `width=200%`).
+  - Image pixel size is restricted by `pixelLimit` (pre- and post resizing).
+  - Size parameter is restricted by `iipSizeLimit`.
+  - Cursor positioning behaves the same as for sixel (see above).
+
+
+### Storage and Drawing Settings
+
+The internal storage holds images up to `storageLimit` (in MB, calculated as 4-channel RBGA unpacked, default 100 MB). Once hit images get evicted by FIFO rules. Furthermore images on the alternate buffer will always be erased on buffer changes.
+
+The addon exposes two properties to interact with the storage limits at runtime:
+- `storageLimit`  
+  Change the value to your needs at runtime. This is especially useful, if you have multiple terminal
+  instances running, that all add to one upper memory limit.
+- `storageUsage`  
+  Inspect the current memory usage of the image storage.
+
+By default the addon will show a placeholder pattern for evicted images that are still part
+of the terminal (e.g. in the scrollback). The pattern can be deactivated by toggling `showPlaceholder`.
+
+### Image Data Retrieval
+
+The addon provides the following API endpoints to retrieve raw image data as canvas:
+
+- `getImageAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined`  
+  Returns the canvas containing the original image data (not resized) at the given buffer position.
+  The buffer position is the 0-based absolute index (including scrollback at top).
+
+- `extractTileAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined`  
+  Returns a canvas containing the actual single tile image data (maybe resized) at the given buffer position.
+  The buffer position is the 0-based absolute index (including scrollback at top).
+  Note that the canvas gets created and data copied over for every call, thus it is not suitable for performance critical actions.
+
+### Memory Usage
+
+The addon does most image processing in Javascript and therefore can occupy a rather big amount of memory. To get an idea where the memory gets eaten, lets look at the data flow and processing steps:
+- Incomming image data chunk at `term.write` (terminal)  
+  `term.write` might stock up incoming chunks. To circumvent this, you will need proper flow control (see xterm.js docs). Note that with image output it is more likely to run into this issue, as it can create lots of MBs in very short time.
+- Sequence Parser (terminal)  
+  The parser operates on a buffer containing up to 2^17 codepoints (~0.5 MB).
+- Sequence Handler - Chunk Decoding (addon)  
+  Image data chunks are processed immediately by the SIXEL decoder (streamlined). The decoder allocates memory for image
+  pixels as needed. The allowed image size is restricted by `pixelLimit` (default 16M pixels), the decoder holds 2 pixel buffers at maximum during decoding (RGBA, ~128 MB for 16M pixels).
+- Sequence Handler - Image Finalization (addon) 
+  After decoding the final pixel buffer is grabbed by the sequence handler and written to a canvas of the same size (~64 MB for 16M pixels) and added to the storage.
+- Image Storage (addon)  
+  The image storage implements a FIFO cache, that will remove old images, if a new one arrives and `storageLimit` is hit (default 128 MB). The storage holds a canvas with the original image, and may additionally hold resized versions of images after a font rescaling. Both are accounted in `storageUsage` as a rough estimation of _pixels x 4 channels_.
+
+Following the steps above, a rough estimation of maximum memory usage by the addon can be calculated with these formulas (in bytes):
+```typescript
+// storage alone
+const storageBytes = storageUsage * storageLimit * 1024 * 1024;
+// decoding alone
+const decodingBytes = sixelSizeLimit + 2 * (pixelLimit * 4);
+
+// totals
+// inactive decoding
+const totalInactive = storageBytes;
+// active decoding
+const totalActive = storageBytes + decodingBytes;
+```
+
+Note that browsers have offloading tricks for rarely touched memory segments, esp. `storageBytes` might not directly translate into real memory usage. Usage peaks will happen during active decoding of multiple big images due to the need of 2 full pixel buffers at the same time, which cannot be offloaded. Thus you may want to keep an eye on `pixelLimit` under limited memory conditions.  
+Further note that the formulas above do not respect the Javascript object's overhead. Compared to the raw buffer needs the book keeping by these objects is rather small (<<5%).
+
+_Why should I care about memory usage at all?_  
+Well you don't have to, and it probably will just work fine with the addon defaults. But for bigger integrations, where much more data is held in the Javascript context (like multiple terminals on one page), it is likely to hit the engine's memory limit sooner or later under decoding and/or storage pressure.
+
+_How can I adjust the memory usage?_  
+- `pixelLimit`  
+  A constructor setting, thus you would have to anticipate, whether (multiple) terminals in your page gonna do lots of concurrent decoding. Since this is normally not the case and the memory usage is only temporarily peaking, a rather high value should work even with multiple terminals in one page.
+- `storageLimit`  
+  A constructor and a runtime setting. In conjunction with `storageUsage` you can do runtime checks and adjust the limit to your needs. If you have to lower the limit below the current usage, images will be removed in FIFO order and may turn into a placeholder in the terminal's scrollback (if `showPlaceholder` is set). When adjusting keep in mind to leave enough room for memory peaking for decoding.
+- `sixelSizeLimit`  
+  A constructor setting. This has only a small impact on peaking memory during decoding. It is meant to avoid processing of overly big or broken SIXEL sequences at an earlier phase, thus may stop the decoder from entering its memory intensive task for potentially invalid data.
+
+
+### Terminal Interaction
+
+- Images already on the terminal screen will reshape on font-rescaling to keep the terminal cell coverage intact.
+  This behavior might diverge from other terminals, but is in general the more desired one.
+- On terminal resize images may expand to the right automatically, if they were right-truncated before.
+  They never expand to the bottom, if they were bottom-truncated before (e.g. from scrolling-off).
+- Text autowrapping from terminal resize may break and wrap images into multiple parts. This is unfortunate,
+  but cannot be avoided, while sticking to the stronger terminal text-grid mechanics.
+  (Yes images are a second class citizen on a mainly text-driven interface.)
+- Characters written over an image will erase the image information for affected cells.
+- Images are painted above BG/FG data not erasing it. More advanced "composition tricks" like painting images
+  below FG/BG data are not possible. (We currently dont hook into BG/FG rendering itself.)
+- Previous image data at a cell will be erased on new image data. (We currently have no transparency composition.)
+
+
+### Performance & Latency
+
+- Performance should be good enough for occasional SIXEL output from REPLs, up to downscaled movies
+  from `mpv` with its SIXEL renderer (tested in the demo). For 3rd party xterm.js integrations this
+  furthermore depends highly on the overall incoming data throughput.
+- Image processing has a high latency. Most of the latency though is inherited from xterm.js' incoming data route
+  (PTY -> server process -> websocket -> xterm.js async parsing), where every step creates more waiting time.
+  Since we cannot do much about that "long line", keep that in mind when you try to run more demanding applications with realtime drawing and interactive response needs.
+
+
+### Status
+
+- Sixel support and image handling in xterm.js is considered beta quality.
+- IIP support is in alpha stage. Please file a bug for any awkwardities.
+
+
+### Changelog
+
+- 0.5.0 integrate with xtermjs base repo (at v0.4.3)
+- 0.4.3 defer canvas creation
+- 0.4.2 fix image canvas resize
+- 0.4.1 compat release for xterm.js 5.2.0
+- 0.4.0 IIP support
+- 0.3.1 compat release for xterm.js 5.1.0
+- 0.3.0 important change: worker removed from addon
+- 0.2.0 compat release for xterm.js 5.0.0
+- 0.1.3 bugfix: avoid striping
+- 0.1.2 bugfix: reset clear flag
+- 0.1.1 bugfixes:
+  - clear sticky image tiles on render
+  - create folder from bootstrap.sh
+  - fix peer dependency in package.json
diff --git a/web/public/node_modules/@xterm/addon-image/lib/addon-image.js b/web/public/node_modules/@xterm/addon-image/lib/addon-image.js
new file mode 100644
index 000000000..e241494be
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/lib/addon-image.js
@@ -0,0 +1,3 @@
+/*! For license information please see addon-image.js.LICENSE.txt */
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0,e.LIMITS={CHUNK_SIZE:16384,PALETTE_SIZE:4096,MAX_WIDTH:16384,BYTES:"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r.default(4194304),this._metrics=a.UNSUPPORTED_TYPE}reset(){}start(){this._aborted=!1,this._header=o,this._metrics=a.UNSUPPORTED_TYPE,this._hp.reset()}put(A,e,t){if(!this._aborted)if(4===this._hp.state)this._dec.put(A,e,t)&&(this._dec.release(),this._aborted=!0);else{const i=this._hp.parse(A,e,t);if(-1===i)return void(this._aborted=!0);if(i>0){if(this._header=Object.assign({},o,this._hp.fields),!this._header.inline||!this._header.size||this._header.size>this._opts.iipSizeLimit)return void(this._aborted=!0);this._dec.init(this._header.size),this._dec.put(A,i,t)&&(this._dec.release(),this._aborted=!0)}}}end(A){if(this._aborted)return!0;let e=0,t=0,s=!0;if((s=A)&&(s=!this._dec.end())&&(this._metrics=(0,a.imageType)(this._dec.data8),(s="unsupported"!==this._metrics.mime)&&(e=this._metrics.width,t=this._metrics.height,(s=e&&t&&e*t<this._opts.pixelLimit)&&([e,t]=this._resize(e,t).map(Math.floor),s=e&&t&&e*t<this._opts.pixelLimit))),!s)return this._dec.release(),!0;const r=new Blob([this._dec.data8],{type:this._metrics.mime});if(this._dec.release(),!window.createImageBitmap){const A=URL.createObjectURL(r),s=new Image;return new Promise((r=>{s.addEventListener("load",(()=>{var g;URL.revokeObjectURL(A);const a=i.ImageRenderer.createCanvas(window.document,e,t);null===(g=a.getContext("2d"))||void 0===g||g.drawImage(s,0,0,e,t),this._storage.addImage(a),r(!0)})),s.src=A,setTimeout((()=>r(!0)),1e3)}))}return createImageBitmap(r,{resizeWidth:e,resizeHeight:t}).then((A=>(this._storage.addImage(A),!0)))}_resize(A,e){var t,i,r,g;const a=(null===(t=this._renderer.dimensions)||void 0===t?void 0:t.css.cell.width)||s.CELL_SIZE_DEFAULT.width,o=(null===(i=this._renderer.dimensions)||void 0===i?void 0:i.css.cell.height)||s.CELL_SIZE_DEFAULT.height,h=(null===(r=this._renderer.dimensions)||void 0===r?void 0:r.css.canvas.width)||a*this._coreTerminal.cols,n=(null===(g=this._renderer.dimensions)||void 0===g?void 0:g.css.canvas.height)||o*this._coreTerminal.rows,I=this._dim(this._header.width,h,a),C=this._dim(this._header.height,n,o);if(!I&&!C){const t=h/A,i=(n-o)/e,s=Math.min(t,i);return s<1?[A*s,e*s]:[A,e]}return I?!this._header.preserveAspectRatio&&I&&C?[I,C]:[I,e*I/A]:[A*C/e,C]}_dim(A,e,t){return"auto"===A?0:A.endsWith("%")?parseInt(A.slice(0,-1))*e/100:A.endsWith("px")?parseInt(A.slice(0,-2)):parseInt(A)*t}}},769:(A,e)=>{function t(A){let e="";for(let t=0;t<A.length;++t)e+=String.fromCharCode(A[t]);return e}function i(A){let e=0;for(let t=0;t<A.length;++t){if(A[t]<48||A[t]>57)throw new Error("illegal char");e=10*e+A[t]-48}return e}function s(A){const e=t(A);if(!e.match(/^((auto)|(\d+?((px)|(%)){0,1}))$/))throw new Error("illegal size");return e}Object.defineProperty(e,"__esModule",{value:!0}),e.HeaderParser=void 0;const r={inline:i,size:i,name:function(A){if("undefined"!=typeof Buffer)return Buffer.from(t(A),"base64").toString();const e=atob(t(A)),i=new Uint8Array(e.length);for(let A=0;A<i.length;++A)i[A]=e.charCodeAt(A);return(new TextDecoder).decode(i)},width:s,height:s,preserveAspectRatio:i},g=[70,105,108,101],a=1024;e.HeaderParser=class{constructor(){this.state=0,this._buffer=new Uint32Array(a),this._position=0,this._key="",this.fields={}}reset(){this._buffer.fill(0),this.state=0,this._position=0,this.fields={},this._key=""}parse(A,e,t){let i=this.state,s=this._position;const r=this._buffer;if(1===i||4===i)return-1;if(0===i&&s>6)return-1;for(let o=e;o<t;++o){const e=A[o];switch(e){case 59:if(!this._storeValue(s))return this._a();i=2,s=0;break;case 61:if(0===i){for(let A=0;A<g.length;++A)if(r[A]!==g[A])return this._a();i=2,s=0}else if(2===i){if(!this._storeKey(s))return this._a();i=3,s=0}else if(3===i){if(s>=a)return this._a();r[s++]=e}break;case 58:return 3!==i||this._storeValue(s)?(this.state=4,o+1):this._a();default:if(s>=a)return this._a();r[s++]=e}}return this.state=i,this._position=s,-2}_a(){return this.state=1,-1}_storeKey(A){const e=t(this._buffer.subarray(0,A));return!!e&&(this._key=e,this.fields[e]=null,!0)}_storeValue(A){if(this._key){try{const e=this._buffer.slice(0,A);this.fields[this._key]=r[this._key]?r[this._key](e):e}catch(A){return!1}return!0}return!1}}},326:(A,e)=>{Object.defineProperty(e,"__esModule",{value:!0}),e.imageType=e.UNSUPPORTED_TYPE=void 0,e.UNSUPPORTED_TYPE={mime:"unsupported",width:0,height:0},e.imageType=function(A){if(A.length<24)return e.UNSUPPORTED_TYPE;const t=new Uint32Array(A.buffer,A.byteOffset,6);if(1196314761===t[0]&&169478669===t[1]&&1380206665===t[3])return{mime:"image/png",width:A[16]<<24|A[17]<<16|A[18]<<8|A[19],height:A[20]<<24|A[21]<<16|A[22]<<8|A[23]};if((3774863615===t[0]||3791640831===t[0])&&(74===A[6]&&70===A[7]&&73===A[8]&&70===A[9]||69===A[6]&&120===A[7]&&105===A[8]&&102===A[9])){const[e,t]=function(A){const e=A.length;let t=4,i=A[t]<<8|A[t+1];for(;;){if(t+=i,t>=e)return[0,0];if(255!==A[t])return[0,0];if(192===A[t+1]||194===A[t+1])return t+8<e?[A[t+7]<<8|A[t+8],A[t+5]<<8|A[t+6]]:[0,0];t+=2,i=A[t]<<8|A[t+1]}}(A);return{mime:"image/jpeg",width:e,height:t}}return 944130375!==t[0]||55!==A[4]&&57!==A[4]||97!==A[5]?e.UNSUPPORTED_TYPE:{mime:"image/gif",width:A[7]<<8|A[6],height:A[9]<<8|A[8]}}},782:(A,e,t)=>{Object.defineProperty(e,"__esModule",{value:!0}),e.ImageRenderer=void 0;const i=t(477),s=t(859);class r extends s.Disposable{static createCanvas(A,e,t){const i=(A||document).createElement("canvas");return i.width=0|e,i.height=0|t,i}static createImageData(A,e,t,i){if("function"!=typeof ImageData){const s=A.createImageData(e,t);return i&&s.data.set(new Uint8ClampedArray(i,0,e*t*4)),s}return i?new ImageData(new Uint8ClampedArray(i,0,e*t*4),e,t):new ImageData(e,t)}static createImageBitmap(A){return"function"!=typeof createImageBitmap?Promise.resolve(void 0):createImageBitmap(A)}constructor(A){super(),this._terminal=A,this._optionsRefresh=this.register(new s.MutableDisposable),this._oldOpen=this._terminal._core.open,this._terminal._core.open=A=>{var e;null===(e=this._oldOpen)||void 0===e||e.call(this._terminal._core,A),this._open()},this._terminal._core.screenElement&&this._open(),this._optionsRefresh.value=this._terminal._core.optionsService.onOptionChange((A=>{var e;"fontSize"===A&&(this.rescaleCanvas(),null===(e=this._renderService)||void 0===e||e.refreshRows(0,this._terminal.rows))})),this.register((0,s.toDisposable)((()=>{var A;this.removeLayerFromDom(),this._terminal._core&&this._oldOpen&&(this._terminal._core.open=this._oldOpen,this._oldOpen=void 0),this._renderService&&this._oldSetRenderer&&(this._renderService.setRenderer=this._oldSetRenderer,this._oldSetRenderer=void 0),this._renderService=void 0,this.canvas=void 0,this._ctx=void 0,null===(A=this._placeholderBitmap)||void 0===A||A.close(),this._placeholderBitmap=void 0,this._placeholder=void 0})))}showPlaceholder(A){var e,t;A?this._placeholder||-1===this.cellSize.height||this._createPlaceHolder(Math.max(this.cellSize.height+1,24)):(null===(e=this._placeholderBitmap)||void 0===e||e.close(),this._placeholderBitmap=void 0,this._placeholder=void 0),null===(t=this._renderService)||void 0===t||t.refreshRows(0,this._terminal.rows)}get dimensions(){var A;return null===(A=this._renderService)||void 0===A?void 0:A.dimensions}get cellSize(){var A,e;return{width:(null===(A=this.dimensions)||void 0===A?void 0:A.css.cell.width)||-1,height:(null===(e=this.dimensions)||void 0===e?void 0:e.css.cell.height)||-1}}clearLines(A,e){var t,i,s,r;null===(t=this._ctx)||void 0===t||t.clearRect(0,A*((null===(i=this.dimensions)||void 0===i?void 0:i.css.cell.height)||0),(null===(s=this.dimensions)||void 0===s?void 0:s.css.canvas.width)||0,(++e-A)*((null===(r=this.dimensions)||void 0===r?void 0:r.css.cell.height)||0))}clearAll(){var A,e,t;null===(A=this._ctx)||void 0===A||A.clearRect(0,0,(null===(e=this.canvas)||void 0===e?void 0:e.width)||0,(null===(t=this.canvas)||void 0===t?void 0:t.height)||0)}draw(A,e,t,i,s=1){if(!this._ctx)return;const{width:r,height:g}=this.cellSize;if(-1===r||-1===g)return;this._rescaleImage(A,r,g);const a=A.actual,o=Math.ceil(a.width/r),h=e%o*r,n=Math.floor(e/o)*g,I=t*r,C=i*g,l=s*r+h>a.width?a.width-h:s*r,B=n+g>a.height?a.height-n:g;this._ctx.drawImage(a,Math.floor(h),Math.floor(n),Math.ceil(l),Math.ceil(B),Math.floor(I),Math.floor(C),Math.ceil(l),Math.ceil(B))}extractTile(A,e){const{width:t,height:i}=this.cellSize;if(-1===t||-1===i)return;this._rescaleImage(A,t,i);const s=A.actual,g=Math.ceil(s.width/t),a=e%g*t,o=Math.floor(e/g)*i,h=t+a>s.width?s.width-a:t,n=o+i>s.height?s.height-o:i,I=r.createCanvas(this.document,h,n),C=I.getContext("2d");return C?(C.drawImage(s,Math.floor(a),Math.floor(o),Math.floor(h),Math.floor(n),0,0,Math.floor(h),Math.floor(n)),I):void 0}drawPlaceholder(A,e,t=1){if(this._ctx){const{width:i,height:s}=this.cellSize;if(-1===i||-1===s)return;if(this._placeholder?s>=this._placeholder.height&&this._createPlaceHolder(s+1):this._createPlaceHolder(Math.max(s+1,24)),!this._placeholder)return;this._ctx.drawImage(this._placeholderBitmap||this._placeholder,A*i,e*s%2?0:1,i*t,s,A*i,e*s,i*t,s)}}rescaleCanvas(){this.canvas&&(this.canvas.width===this.dimensions.css.canvas.width&&this.canvas.height===this.dimensions.css.canvas.height||(this.canvas.width=this.dimensions.css.canvas.width||0,this.canvas.height=this.dimensions.css.canvas.height||0))}_rescaleImage(A,e,t){if(e===A.actualCellSize.width&&t===A.actualCellSize.height)return;const{width:i,height:s}=A.origCellSize;if(e===i&&t===s)return A.actual=A.orig,A.actualCellSize.width=i,void(A.actualCellSize.height=s);const g=r.createCanvas(this.document,Math.ceil(A.orig.width*e/i),Math.ceil(A.orig.height*t/s)),a=g.getContext("2d");a&&(a.drawImage(A.orig,0,0,g.width,g.height),A.actual=g,A.actualCellSize.width=e,A.actualCellSize.height=t)}_open(){this._renderService=this._terminal._core._renderService,this._oldSetRenderer=this._renderService.setRenderer.bind(this._renderService),this._renderService.setRenderer=A=>{var e;this.removeLayerFromDom(),null===(e=this._oldSetRenderer)||void 0===e||e.call(this._renderService,A)}}insertLayerToDom(){var A,e;this.document&&this._terminal._core.screenElement?this.canvas||(this.canvas=r.createCanvas(this.document,(null===(A=this.dimensions)||void 0===A?void 0:A.css.canvas.width)||0,(null===(e=this.dimensions)||void 0===e?void 0:e.css.canvas.height)||0),this.canvas.classList.add("xterm-image-layer"),this._terminal._core.screenElement.appendChild(this.canvas),this._ctx=this.canvas.getContext("2d",{alpha:!0,desynchronized:!0}),this.clearAll()):console.warn("image addon: cannot insert output canvas to DOM, missing document or screenElement")}removeLayerFromDom(){this.canvas&&(this._ctx=void 0,this.canvas.remove(),this.canvas=void 0)}_createPlaceHolder(A=24){var e;null===(e=this._placeholderBitmap)||void 0===e||e.close(),this._placeholderBitmap=void 0;const t=32,s=r.createCanvas(this.document,t,A),g=s.getContext("2d",{alpha:!1});if(!g)return;const a=r.createImageData(g,t,A),o=new Uint32Array(a.data.buffer),h=(0,i.toRGBA8888)(0,0,0),n=(0,i.toRGBA8888)(255,255,255);o.fill(h);for(let e=0;e<A;++e){const A=e%2,i=e*t;for(let e=0;e<t;e+=2)o[i+e+A]=n}g.putImageData(a,0,0);const I=screen.width+t-1&-32||4096;this._placeholder=r.createCanvas(this.document,I,A);const C=this._placeholder.getContext("2d",{alpha:!1});if(C){for(let A=0;A<I;A+=t)C.drawImage(s,A,0);r.createImageBitmap(this._placeholder).then((A=>this._placeholderBitmap=A))}else this._placeholder=void 0}get document(){var A;return null===(A=this._terminal._core._coreBrowserService)||void 0===A?void 0:A.window.document}}e.ImageRenderer=r},216:(A,e,t)=>{Object.defineProperty(e,"__esModule",{value:!0}),e.ImageStorage=e.CELL_SIZE_DEFAULT=void 0;const i=t(782);e.CELL_SIZE_DEFAULT={width:7,height:14};class s{get ext(){return this._urlId?-469762049&this._ext|this.underlineStyle<<26:this._ext}set ext(A){this._ext=A}get underlineStyle(){return this._urlId?5:(469762048&this._ext)>>26}set underlineStyle(A){this._ext&=-469762049,this._ext|=A<<26&469762048}get underlineColor(){return 67108863&this._ext}set underlineColor(A){this._ext&=-67108864,this._ext|=67108863&A}get underlineVariantOffset(){const A=(3758096384&this._ext)>>29;return A<0?4294967288^A:A}set underlineVariantOffset(A){this._ext&=536870911,this._ext|=A<<29&3758096384}get urlId(){return this._urlId}set urlId(A){this._urlId=A}constructor(A=0,e=0,t=-1,i=-1){this.imageId=t,this.tileId=i,this._ext=0,this._urlId=0,this._ext=A,this._urlId=e}clone(){return new s(this._ext,this._urlId,this.imageId,this.tileId)}isEmpty(){return 0===this.underlineStyle&&0===this._urlId&&-1===this.imageId}}const r=new s;e.ImageStorage=class{constructor(A,e,t){this._terminal=A,this._renderer=e,this._opts=t,this._images=new Map,this._lastId=0,this._lowestId=0,this._fullyCleared=!1,this._needsFullClear=!1,this._pixelLimit=25e5;try{this.setLimit(this._opts.storageLimit)}catch(A){console.error(A.message),console.warn(`storageLimit is set to ${this.getLimit()} MB`)}this._viewportMetrics={cols:this._terminal.cols,rows:this._terminal.rows}}dispose(){this.reset()}reset(){var A;for(const e of this._images.values())null===(A=e.marker)||void 0===A||A.dispose();this._images.clear(),this._renderer.clearAll()}getLimit(){return 4*this._pixelLimit/1e6}setLimit(A){if(A<.5||A>1e3)throw RangeError("invalid storageLimit, should be at least 0.5 MB and not exceed 1G");this._pixelLimit=A/4*1e6>>>0,this._evictOldest(0)}getUsage(){return 4*this._getStoredPixels()/1e6}_getStoredPixels(){let A=0;for(const e of this._images.values())e.orig&&(A+=e.orig.width*e.orig.height,e.actual&&e.actual!==e.orig&&(A+=e.actual.width*e.actual.height));return A}_delImg(A){const e=this._images.get(A);this._images.delete(A),e&&window.ImageBitmap&&e.orig instanceof ImageBitmap&&e.orig.close()}wipeAlternate(){var A;const e=[];for(const[t,i]of this._images.entries())"alternate"===i.bufferType&&(null===(A=i.marker)||void 0===A||A.dispose(),e.push(t));for(const A of e)this._delImg(A);this._needsFullClear=!0,this._fullyCleared=!1}advanceCursor(A){if(this._opts.sixelScrolling){let t=this._renderer.cellSize;-1!==t.width&&-1!==t.height||(t=e.CELL_SIZE_DEFAULT);const i=Math.ceil(A/t.height);for(let A=1;A<i;++A)this._terminal._core._inputHandler.lineFeed()}}addImage(A){var t;this._evictOldest(A.width*A.height);let i=this._renderer.cellSize;-1!==i.width&&-1!==i.height||(i=e.CELL_SIZE_DEFAULT);const s=Math.ceil(A.width/i.width),r=Math.ceil(A.height/i.height),g=++this._lastId,a=this._terminal._core.buffer,o=this._terminal.cols,h=this._terminal.rows,n=a.x,I=a.y;let C=n,l=0;this._opts.sixelScrolling||(a.x=0,a.y=0,C=0),this._terminal._core._inputHandler._dirtyRowTracker.markDirty(a.y);for(let A=0;A<r;++A){const e=a.lines.get(a.y+a.ybase);for(let t=0;t<s&&!(C+t>=o);++t)this._writeToCell(e,C+t,g,A*s+t),l++;if(this._opts.sixelScrolling)A<r-1&&this._terminal._core._inputHandler.lineFeed();else if(++a.y>=h)break;a.x=C}this._terminal._core._inputHandler._dirtyRowTracker.markDirty(a.y),this._opts.sixelScrolling?a.x=C:(a.x=n,a.y=I);const B=[];for(const[A,e]of this._images.entries())e.tileCount<1&&(null===(t=e.marker)||void 0===t||t.dispose(),B.push(A));for(const A of B)this._delImg(A);const Q=this._terminal.registerMarker(0);null==Q||Q.onDispose((()=>{this._images.get(g)&&this._delImg(g)})),"alternate"===this._terminal.buffer.active.type&&this._evictOnAlternate();const d={orig:A,origCellSize:i,actual:A,actualCellSize:Object.assign({},i),marker:Q||void 0,tileCount:l,bufferType:this._terminal.buffer.active.type};this._images.set(g,d)}render(A){if(!this._renderer.canvas&&this._images.size&&(this._renderer.insertLayerToDom(),!this._renderer.canvas))return;if(this._renderer.rescaleCanvas(),!this._images.size)return this._fullyCleared||(this._renderer.clearAll(),this._fullyCleared=!0,this._needsFullClear=!1),void(this._renderer.canvas&&this._renderer.removeLayerFromDom());this._needsFullClear&&(this._renderer.clearAll(),this._fullyCleared=!0,this._needsFullClear=!1);const{start:e,end:t}=A,i=this._terminal._core.buffer,s=this._terminal._core.cols;this._renderer.clearLines(e,t);for(let A=e;A<=t;++A){const e=i.lines.get(A+i.ydisp);if(!e)return;for(let t=0;t<s;++t)if(268435456&e.getBg(t)){let i=e._extendedAttrs[t]||r;const g=i.imageId;if(void 0===g||-1===g)continue;const a=this._images.get(g);if(-1!==i.tileId){const o=i.tileId,h=t;let n=1;for(;++t<s&&268435456&e.getBg(t)&&(i=e._extendedAttrs[t]||r)&&i.imageId===g&&i.tileId===o+n;)n++;t--,a?a.actual&&this._renderer.draw(a,o,h,A,n):this._opts.showPlaceholder&&this._renderer.drawPlaceholder(h,A,n),this._fullyCleared=!1}}}}viewportResize(A){var e;if(!this._images.size)return void(this._viewportMetrics=A);if(this._viewportMetrics.cols>=A.cols)return void(this._viewportMetrics=A);const t=this._terminal._core.buffer,i=t.lines.length,s=this._viewportMetrics.cols-1;for(let g=0;g<i;++g){const i=t.lines.get(g);if(268435456&i.getBg(s)){const t=i._extendedAttrs[s]||r,g=t.imageId;if(void 0===g||-1===g)continue;const a=this._images.get(g);if(!a)continue;const o=Math.ceil(((null===(e=a.actual)||void 0===e?void 0:e.width)||0)/a.actualCellSize.width);if(t.tileId%o+1>=o)continue;let h=!1;for(let e=s+1;e>A.cols;++e)if(4194303&i._data[3*e+0]){h=!0;break}if(h)continue;const n=Math.min(A.cols,o-t.tileId%o+s);let I=t.tileId;for(let A=s+1;A<n;++A)this._writeToCell(i,A,g,++I),a.tileCount++}}this._viewportMetrics=A}getImageAtBufferCell(A,e){var t,s;const g=this._terminal._core.buffer.lines.get(e);if(g&&268435456&g.getBg(A)){const e=g._extendedAttrs[A]||r;if(e.imageId&&-1!==e.imageId){const A=null===(t=this._images.get(e.imageId))||void 0===t?void 0:t.orig;if(window.ImageBitmap&&A instanceof ImageBitmap){const e=i.ImageRenderer.createCanvas(window.document,A.width,A.height);return null===(s=e.getContext("2d"))||void 0===s||s.drawImage(A,0,0,A.width,A.height),e}return A}}}extractTileAtBufferCell(A,e){const t=this._terminal._core.buffer.lines.get(e);if(t&&268435456&t.getBg(A)){const e=t._extendedAttrs[A]||r;if(e.imageId&&-1!==e.imageId&&-1!==e.tileId){const A=this._images.get(e.imageId);if(A)return this._renderer.extractTile(A,e.tileId)}}}_evictOldest(A){var e;const t=this._getStoredPixels();let i=t;for(;this._pixelLimit<i+A&&this._images.size;){const A=this._images.get(++this._lowestId);A&&A.orig&&(i-=A.orig.width*A.orig.height,A.actual&&A.orig!==A.actual&&(i-=A.actual.width*A.actual.height),null===(e=A.marker)||void 0===e||e.dispose(),this._delImg(this._lowestId))}return t-i}_writeToCell(A,e,t,i){if(268435456&A._data[3*e+2]){const r=A._extendedAttrs[e];if(r){if(void 0!==r.imageId){const A=this._images.get(r.imageId);return A&&A.tileCount--,r.imageId=t,void(r.tileId=i)}return void(A._extendedAttrs[e]=new s(r.ext,r.urlId,t,i))}}A._data[3*e+2]|=268435456,A._extendedAttrs[e]=new s(0,0,t,i)}_evictOnAlternate(){var A,e;for(const A of this._images.values())"alternate"===A.bufferType&&(A.tileCount=0);const t=this._terminal._core.buffer;for(let e=0;e<this._terminal.rows;++e){const i=t.lines.get(e);if(i)for(let e=0;e<this._terminal.cols;++e)if(268435456&i._data[3*e+2]){const t=null===(A=i._extendedAttrs[e])||void 0===A?void 0:A.imageId;if(t){const A=this._images.get(t);A&&A.tileCount++}}}const i=[];for(const[A,t]of this._images.entries())"alternate"!==t.bufferType||t.tileCount||(null===(e=t.marker)||void 0===e||e.dispose(),i.push(A));for(const A of i)this._delImg(A)}}},973:(A,e,t)=>{Object.defineProperty(e,"__esModule",{value:!0}),e.SixelHandler=void 0;const i=t(477),s=t(782),r=t(710),g=i.PALETTE_ANSI_256;function a(A){return i.BIG_ENDIAN?A:(255&A)<<24|(A>>>8&255)<<16|(A>>>16&255)<<8|A>>>24&255}g.set(i.PALETTE_VT340_COLOR),e.SixelHandler=class{constructor(A,e,t){this._opts=A,this._storage=e,this._coreTerminal=t,this._size=0,this._aborted=!1,(0,r.DecoderAsync)({memoryLimit:4*this._opts.pixelLimit,palette:g,paletteLimit:this._opts.sixelPaletteLimit}).then((A=>this._dec=A))}reset(){this._dec&&(this._dec.release(),this._dec._palette.fill(0),this._dec.init(0,g,this._opts.sixelPaletteLimit))}hook(A){var e;if(this._size=0,this._aborted=!1,this._dec){const t=1===A.params[1]?0:function(A,e){let t=0;if(!e)return t;if(A.isInverse())if(A.isFgDefault())t=a(e.foreground.rgba);else if(A.isFgRGB()){const e=A.constructor.toColorRGB(A.getFgColor());t=(0,i.toRGBA8888)(...e)}else t=a(e.ansi[A.getFgColor()].rgba);else if(A.isBgDefault())t=a(e.background.rgba);else if(A.isBgRGB()){const e=A.constructor.toColorRGB(A.getBgColor());t=(0,i.toRGBA8888)(...e)}else t=a(e.ansi[A.getBgColor()].rgba);return t}(this._coreTerminal._core._inputHandler._curAttrData,null===(e=this._coreTerminal._core._themeService)||void 0===e?void 0:e.colors);this._dec.init(t,null,this._opts.sixelPaletteLimit)}}put(A,e,t){if(!this._aborted&&this._dec){if(this._size+=t-e,this._size>this._opts.sixelSizeLimit)return console.warn("SIXEL: too much data, aborting"),this._aborted=!0,void this._dec.release();try{this._dec.decode(A,e,t)}catch(A){console.warn(`SIXEL: error while decoding image - ${A}`),this._aborted=!0,this._dec.release()}}}unhook(A){var e;if(this._aborted||!A||!this._dec)return!0;const t=this._dec.width,i=this._dec.height;if(!t||!i)return i&&this._storage.advanceCursor(i),!0;const r=s.ImageRenderer.createCanvas(void 0,t,i);return null===(e=r.getContext("2d"))||void 0===e||e.putImageData(new ImageData(this._dec.data8,t,i),0,0),this._dec.memoryUsage>4194304&&this._dec.release(),this._storage.addImage(r),!0}}},859:(A,e)=>{function t(A){for(const e of A)e.dispose();A.length=0}Object.defineProperty(e,"__esModule",{value:!0}),e.getDisposeArrayDisposable=e.disposeArray=e.toDisposable=e.MutableDisposable=e.Disposable=void 0,e.Disposable=class{constructor(){this._disposables=[],this._isDisposed=!1}dispose(){this._isDisposed=!0;for(const A of this._disposables)A.dispose();this._disposables.length=0}register(A){return this._disposables.push(A),A}unregister(A){const e=this._disposables.indexOf(A);-1!==e&&this._disposables.splice(e,1)}},e.MutableDisposable=class{constructor(){this._isDisposed=!1}get value(){return this._isDisposed?void 0:this._value}set value(A){this._isDisposed||A===this._value||(this._value?.dispose(),this._value=A)}clear(){this.value=void 0}dispose(){this._isDisposed=!0,this._value?.dispose(),this._value=void 0}},e.toDisposable=function(A){return{dispose:A}},e.disposeArray=t,e.getDisposeArrayDisposable=function(A){return{dispose:()=>t(A)}}}},e={};function t(i){var s=e[i];if(void 0!==s)return s.exports;var r=e[i]={exports:{}};return A[i](r,r.exports,t),r.exports}var i={};return(()=>{var A=i;Object.defineProperty(A,"__esModule",{value:!0}),A.ImageAddon=void 0;const e=t(125),s=t(782),r=t(216),g=t(973),a={enableSizeReports:!0,pixelLimit:16777216,sixelSupport:!0,sixelScrolling:!0,sixelPaletteLimit:256,sixelSizeLimit:25e6,storageLimit:128,showPlaceholder:!0,iipSupport:!0,iipSizeLimit:2e7};A.ImageAddon=class{constructor(A){this._disposables=[],this._handlers=new Map,this._opts=Object.assign({},a,A),this._defaultOpts=Object.assign({},a,A)}dispose(){for(const A of this._disposables)A.dispose();this._disposables.length=0,this._handlers.clear()}_disposeLater(...A){for(const e of A)this._disposables.push(e)}activate(A){if(this._terminal=A,this._renderer=new s.ImageRenderer(A),this._storage=new r.ImageStorage(A,this._renderer,this._opts),this._opts.enableSizeReports){const e=A.options.windowOptions||{};e.getWinSizePixels=!0,e.getCellSizePixels=!0,e.getWinSizeChars=!0,A.options.windowOptions=e}if(this._disposeLater(this._renderer,this._storage,A.parser.registerCsiHandler({prefix:"?",final:"h"},(A=>this._decset(A))),A.parser.registerCsiHandler({prefix:"?",final:"l"},(A=>this._decrst(A))),A.parser.registerCsiHandler({final:"c"},(A=>this._da1(A))),A.parser.registerCsiHandler({prefix:"?",final:"S"},(A=>this._xtermGraphicsAttributes(A))),A.onRender((A=>{var e;return null===(e=this._storage)||void 0===e?void 0:e.render(A)})),A.parser.registerCsiHandler({intermediates:"!",final:"p"},(()=>this.reset())),A.parser.registerEscHandler({final:"c"},(()=>this.reset())),A._core._inputHandler.onRequestReset((()=>this.reset())),A.buffer.onBufferChange((()=>{var A;return null===(A=this._storage)||void 0===A?void 0:A.wipeAlternate()})),A.onResize((A=>{var e;return null===(e=this._storage)||void 0===e?void 0:e.viewportResize(A)}))),this._opts.sixelSupport){const e=new g.SixelHandler(this._opts,this._storage,A);this._handlers.set("sixel",e),this._disposeLater(A._core._inputHandler._parser.registerDcsHandler({final:"q"},e))}if(this._opts.iipSupport){const t=new e.IIPHandler(this._opts,this._renderer,this._storage,A);this._handlers.set("iip",t),this._disposeLater(A._core._inputHandler._parser.registerOscHandler(1337,t))}}reset(){var A;this._opts.sixelScrolling=this._defaultOpts.sixelScrolling,this._opts.sixelPaletteLimit=this._defaultOpts.sixelPaletteLimit,null===(A=this._storage)||void 0===A||A.reset();for(const A of this._handlers.values())A.reset();return!1}get storageLimit(){var A;return(null===(A=this._storage)||void 0===A?void 0:A.getLimit())||-1}set storageLimit(A){var e;null===(e=this._storage)||void 0===e||e.setLimit(A),this._opts.storageLimit=A}get storageUsage(){return this._storage?this._storage.getUsage():-1}get showPlaceholder(){return this._opts.showPlaceholder}set showPlaceholder(A){var e;this._opts.showPlaceholder=A,null===(e=this._renderer)||void 0===e||e.showPlaceholder(A)}getImageAtBufferCell(A,e){var t;return null===(t=this._storage)||void 0===t?void 0:t.getImageAtBufferCell(A,e)}extractTileAtBufferCell(A,e){var t;return null===(t=this._storage)||void 0===t?void 0:t.extractTileAtBufferCell(A,e)}_report(A){var e;null===(e=this._terminal)||void 0===e||e._core.coreService.triggerDataEvent(A)}_decset(A){for(let e=0;e<A.length;++e)80===A[e]&&(this._opts.sixelScrolling=!1);return!1}_decrst(A){for(let e=0;e<A.length;++e)80===A[e]&&(this._opts.sixelScrolling=!0);return!1}_da1(A){return!!A[0]||!!this._opts.sixelSupport&&(this._report("[?62;4;9;22c"),!0)}_xtermGraphicsAttributes(A){var e,t,i,s,g,a;if(A.length<2)return!0;if(1===A[0])switch(A[1]){case 1:return this._report(`[?${A[0]};0;${this._opts.sixelPaletteLimit}S`),!0;case 2:this._opts.sixelPaletteLimit=this._defaultOpts.sixelPaletteLimit,this._report(`[?${A[0]};0;${this._opts.sixelPaletteLimit}S`);for(const A of this._handlers.values())A.reset();return!0;case 3:return A.length>2&&!(A[2]instanceof Array)&&A[2]<=4096?(this._opts.sixelPaletteLimit=A[2],this._report(`[?${A[0]};0;${this._opts.sixelPaletteLimit}S`)):this._report(`[?${A[0]};2S`),!0;case 4:return this._report(`[?${A[0]};0;4096S`),!0;default:return this._report(`[?${A[0]};2S`),!0}if(2===A[0])switch(A[1]){case 1:let o=null===(t=null===(e=this._renderer)||void 0===e?void 0:e.dimensions)||void 0===t?void 0:t.css.canvas.width,h=null===(s=null===(i=this._renderer)||void 0===i?void 0:i.dimensions)||void 0===s?void 0:s.css.canvas.height;if(!o||!h){const A=r.CELL_SIZE_DEFAULT;o=((null===(g=this._terminal)||void 0===g?void 0:g.cols)||80)*A.width,h=((null===(a=this._terminal)||void 0===a?void 0:a.rows)||24)*A.height}if(o*h<this._opts.pixelLimit)this._report(`[?${A[0]};0;${o.toFixed(0)};${h.toFixed(0)}S`);else{const e=Math.floor(Math.sqrt(this._opts.pixelLimit));this._report(`[?${A[0]};0;${e};${e}S`)}return!0;case 4:const n=Math.floor(Math.sqrt(this._opts.pixelLimit));return this._report(`[?${A[0]};0;${n};${n}S`),!0;default:return this._report(`[?${A[0]};2S`),!0}return this._report(`[?${A[0]};1S`),!0}}})(),i})()));
+//# sourceMappingURL=addon-image.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/lib/addon-image.js.LICENSE.txt b/web/public/node_modules/@xterm/addon-image/lib/addon-image.js.LICENSE.txt
new file mode 100644
index 000000000..a832a2db3
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/lib/addon-image.js.LICENSE.txt
@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2019 Joerg Breitbart.
+ * @license MIT
+ */
+
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Copyright (c) 2020, 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Copyright (c) 2021 Joerg Breitbart.
+ * @license MIT
+ */
+
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
diff --git a/web/public/node_modules/@xterm/addon-image/lib/addon-image.js.map b/web/public/node_modules/@xterm/addon-image/lib/addon-image.js.map
new file mode 100644
index 000000000..89788bdd5
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/lib/addon-image.js.map
@@ -0,0 +1 @@
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ImageAddon\"] = factory();\n\telse\n\t\troot[\"ImageAddon\"] = factory();\n})(self, () => {\nreturn ","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.InWasm = void 0;\n// runtime helper - decode base64\nfunction _dec(s) {\n    if (typeof Buffer !== 'undefined')\n        return Buffer.from(s, 'base64');\n    const bs = atob(s);\n    const r = new Uint8Array(bs.length);\n    for (let i = 0; i < r.length; ++i)\n        r[i] = bs.charCodeAt(i);\n    return r;\n}\nfunction InWasm(def) {\n    if (def.d) {\n        // default compiled call: wasm loading during runtime\n        // for the sake of small bundling size (<900 bytes) the code is somewhat degenerated\n        // see cli.ts for the meaning of the {t, s, d, e} object properties\n        const { t, s, d } = def;\n        // memorize bytes and module\n        let bytes;\n        let mod;\n        const W = WebAssembly;\n        if (t === 2 /* OutputType.BYTES */) {\n            if (s)\n                return () => bytes || (bytes = _dec(d));\n            return () => Promise.resolve(bytes || (bytes = _dec(d)));\n        }\n        if (t === 1 /* OutputType.MODULE */) {\n            if (s)\n                return () => mod || (mod = new W.Module(bytes || (bytes = _dec(d))));\n            return () => mod\n                ? Promise.resolve(mod)\n                : W.compile(bytes || (bytes = _dec(d))).then(m => mod = m);\n        }\n        if (s)\n            return (e) => new W.Instance(mod || (mod = new W.Module(bytes || (bytes = _dec(d)))), e);\n        return (e) => mod\n            ? W.instantiate(mod, e)\n            : W.instantiate(bytes || (bytes = _dec(d)), e).then(r => (mod = r.module) && r.instance);\n    }\n    // invalid call: uncompiled normal run throws\n    if (typeof _wasmCtx === 'undefined')\n        throw new Error('must run \"inwasm\"');\n    _wasmCtx.add(def);\n}\nexports.InWasm = InWasm;\n//# sourceMappingURL=index.js.map","\"use strict\";\n/**\n * Copyright (c) 2019 Joerg Breitbart.\n * @license MIT\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.DEFAULT_FOREGROUND = exports.DEFAULT_BACKGROUND = exports.PALETTE_ANSI_256 = exports.PALETTE_VT340_GREY = exports.PALETTE_VT340_COLOR = exports.normalizeHLS = exports.normalizeRGB = exports.nearestColorIndex = exports.fromRGBA8888 = exports.toRGBA8888 = exports.alpha = exports.blue = exports.green = exports.red = exports.BIG_ENDIAN = void 0;\n// FIXME: cleanup this mess, move things either to decoder/encoder, keep only shared things\n// system endianess\nexports.BIG_ENDIAN = new Uint8Array(new Uint32Array([0xFF000000]).buffer)[0] === 0xFF;\nif (exports.BIG_ENDIAN) {\n    console.warn('BE platform detected. This version of node-sixel works only on LE properly.');\n}\n// channel values\nfunction red(n) {\n    return n & 0xFF;\n}\nexports.red = red;\nfunction green(n) {\n    return (n >>> 8) & 0xFF;\n}\nexports.green = green;\nfunction blue(n) {\n    return (n >>> 16) & 0xFF;\n}\nexports.blue = blue;\nfunction alpha(n) {\n    return (n >>> 24) & 0xFF;\n}\nexports.alpha = alpha;\n/**\n * Convert RGB channels to native color RGBA8888.\n */\nfunction toRGBA8888(r, g, b, a = 255) {\n    return ((a & 0xFF) << 24 | (b & 0xFF) << 16 | (g & 0xFF) << 8 | (r & 0xFF)) >>> 0; // ABGR32\n}\nexports.toRGBA8888 = toRGBA8888;\n/**\n * Convert native color to [r, g, b, a].\n */\nfunction fromRGBA8888(color) {\n    return [color & 0xFF, (color >> 8) & 0xFF, (color >> 16) & 0xFF, color >>> 24];\n}\nexports.fromRGBA8888 = fromRGBA8888;\n/**\n * Get index of nearest color in `palette` for `color`.\n * Uses euclidean distance without any luminescence correction.\n */\nfunction nearestColorIndex(color, palette) {\n    const r = red(color);\n    const g = green(color);\n    const b = blue(color);\n    let min = Number.MAX_SAFE_INTEGER;\n    let idx = -1;\n    // use euclidean distance (manhattan gives very poor results)\n    for (let i = 0; i < palette.length; ++i) {\n        const dr = r - palette[i][0];\n        const dg = g - palette[i][1];\n        const db = b - palette[i][2];\n        const d = dr * dr + dg * dg + db * db;\n        if (!d)\n            return i;\n        if (d < min) {\n            min = d;\n            idx = i;\n        }\n    }\n    return idx;\n}\nexports.nearestColorIndex = nearestColorIndex;\n// color conversions\n// HLS taken from: http://www.niwa.nu/2013/05/math-behind-colorspace-conversions-rgb-hsl\nfunction clamp(low, high, value) {\n    return Math.max(low, Math.min(value, high));\n}\nfunction h2c(t1, t2, c) {\n    if (c < 0)\n        c += 1;\n    if (c > 1)\n        c -= 1;\n    return c * 6 < 1\n        ? t2 + (t1 - t2) * 6 * c\n        : c * 2 < 1\n            ? t1\n            : c * 3 < 2\n                ? t2 + (t1 - t2) * (4 - c * 6)\n                : t2;\n}\nfunction HLStoRGB(h, l, s) {\n    if (!s) {\n        const v = Math.round(l * 255);\n        return toRGBA8888(v, v, v);\n    }\n    const t1 = l < 0.5 ? l * (1 + s) : l + s - l * s;\n    const t2 = 2 * l - t1;\n    return toRGBA8888(clamp(0, 255, Math.round(h2c(t1, t2, h + 1 / 3) * 255)), clamp(0, 255, Math.round(h2c(t1, t2, h) * 255)), clamp(0, 255, Math.round(h2c(t1, t2, h - 1 / 3) * 255)));\n}\n/**\n * Normalize SIXEL RGB values (percent based, 0-100) to RGBA8888.\n */\nfunction normalizeRGB(r, g, b) {\n    return (0xFF000000 | Math.round(b / 100 * 255) << 16 | Math.round(g / 100 * 255) << 8 | Math.round(r / 100 * 255)) >>> 0; // ABGR32\n}\nexports.normalizeRGB = normalizeRGB;\n/**\n * Normalize SIXEL HLS values to RGBA8888. Applies hue correction of +240°.\n */\nfunction normalizeHLS(h, l, s) {\n    // Note: hue value is turned by 240° in VT340, all values given as fractions\n    return HLStoRGB((h + 240 % 360) / 360, l / 100, s / 100);\n}\nexports.normalizeHLS = normalizeHLS;\n/**\n * default palettes\n */\n// FIXME: move palettes to Decoder.ts\n/**\n * 16 predefined color registers of VT340 (values in %):\n * ```\n *                R   G   B\n * 0  Black       0   0   0\n * 1  Blue        20  20  80\n * 2  Red         80  13  13\n * 3  Green       20  80  20\n * 4  Magenta     80  20  80\n * 5  Cyan        20  80  80\n * 6  Yellow      80  80  20\n * 7  Gray 50%    53  53  53\n * 8  Gray 25%    26  26  26\n * 9  Blue*       33  33  60\n * 10 Red*        60  26  26\n * 11 Green*      33  60  33\n * 12 Magenta*    60  33  60\n * 13 Cyan*       33  60  60\n * 14 Yellow*     60  60  33\n * 15 Gray 75%    80  80  80\n * ```\n * (*) less saturated\n *\n * @see https://vt100.net/docs/vt3xx-gp/chapter2.html#S2.4\n*/\nexports.PALETTE_VT340_COLOR = new Uint32Array([\n    normalizeRGB(0, 0, 0),\n    normalizeRGB(20, 20, 80),\n    normalizeRGB(80, 13, 13),\n    normalizeRGB(20, 80, 20),\n    normalizeRGB(80, 20, 80),\n    normalizeRGB(20, 80, 80),\n    normalizeRGB(80, 80, 20),\n    normalizeRGB(53, 53, 53),\n    normalizeRGB(26, 26, 26),\n    normalizeRGB(33, 33, 60),\n    normalizeRGB(60, 26, 26),\n    normalizeRGB(33, 60, 33),\n    normalizeRGB(60, 33, 60),\n    normalizeRGB(33, 60, 60),\n    normalizeRGB(60, 60, 33),\n    normalizeRGB(80, 80, 80)\n]);\n/**\n * 16 predefined monochrome registers of VT340 (values in %):\n * ```\n *              R   G   B\n * 0  Black     0   0   0\n * 1  Gray-2    13  13  13\n * 2  Gray-4    26  26  26\n * 3  Gray-6    40  40  40\n * 4  Gray-1    6   6   6\n * 5  Gray-3    20  20  20\n * 6  Gray-5    33  33  33\n * 7  White 7   46  46  46\n * 8  Black 0   0   0   0\n * 9  Gray-2    13  13  13\n * 10 Gray-4    26  26  26\n * 11 Gray-6    40  40  40\n * 12 Gray-1    6   6   6\n * 13 Gray-3    20  20  20\n * 14 Gray-5    33  33  33\n * 15 White 7   46  46  46\n * ```\n *\n * @see https://vt100.net/docs/vt3xx-gp/chapter2.html#S2.4\n */\nexports.PALETTE_VT340_GREY = new Uint32Array([\n    normalizeRGB(0, 0, 0),\n    normalizeRGB(13, 13, 13),\n    normalizeRGB(26, 26, 26),\n    normalizeRGB(40, 40, 40),\n    normalizeRGB(6, 6, 6),\n    normalizeRGB(20, 20, 20),\n    normalizeRGB(33, 33, 33),\n    normalizeRGB(46, 46, 46),\n    normalizeRGB(0, 0, 0),\n    normalizeRGB(13, 13, 13),\n    normalizeRGB(26, 26, 26),\n    normalizeRGB(40, 40, 40),\n    normalizeRGB(6, 6, 6),\n    normalizeRGB(20, 20, 20),\n    normalizeRGB(33, 33, 33),\n    normalizeRGB(46, 46, 46)\n]);\n/**\n * 256 predefined ANSI colors.\n *\n * @see https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit\n */\nexports.PALETTE_ANSI_256 = (() => {\n    // 16 lower colors (taken from xterm)\n    const p = [\n        toRGBA8888(0, 0, 0),\n        toRGBA8888(205, 0, 0),\n        toRGBA8888(0, 205, 0),\n        toRGBA8888(205, 205, 0),\n        toRGBA8888(0, 0, 238),\n        toRGBA8888(205, 0, 205),\n        toRGBA8888(0, 250, 205),\n        toRGBA8888(229, 229, 229),\n        toRGBA8888(127, 127, 127),\n        toRGBA8888(255, 0, 0),\n        toRGBA8888(0, 255, 0),\n        toRGBA8888(255, 255, 0),\n        toRGBA8888(92, 92, 255),\n        toRGBA8888(255, 0, 255),\n        toRGBA8888(0, 255, 255),\n        toRGBA8888(255, 255, 255),\n    ];\n    // colors up to 232\n    const d = [0, 95, 135, 175, 215, 255];\n    for (let r = 0; r < 6; ++r) {\n        for (let g = 0; g < 6; ++g) {\n            for (let b = 0; b < 6; ++b) {\n                p.push(toRGBA8888(d[r], d[g], d[b]));\n            }\n        }\n    }\n    // grey scale to up 255\n    for (let v = 8; v <= 238; v += 10) {\n        p.push(toRGBA8888(v, v, v));\n    }\n    return new Uint32Array(p);\n})();\n/**\n * Background: Black by default.\n * Foreground: White by default.\n *\n * Background color is used whenever a fill color is needed and not explicitly set.\n * Foreground color is used as default initial sixel color.\n */\nexports.DEFAULT_BACKGROUND = toRGBA8888(0, 0, 0, 255);\nexports.DEFAULT_FOREGROUND = toRGBA8888(255, 255, 255, 255);\n//# sourceMappingURL=Colors.js.map","\"use strict\";\n/**\n * Copyright (c) 2021 Joerg Breitbart.\n * @license MIT\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.decodeAsync = exports.decode = exports.Decoder = exports.DecoderAsync = void 0;\nconst Colors_1 = require(\"./Colors\");\nconst wasm_1 = require(\"./wasm\");\n/* istanbul ignore next */\nfunction decodeBase64(s) {\n    if (typeof Buffer !== 'undefined') {\n        return Buffer.from(s, 'base64');\n    }\n    const bytestring = atob(s);\n    const result = new Uint8Array(bytestring.length);\n    for (let i = 0; i < result.length; ++i) {\n        result[i] = bytestring.charCodeAt(i);\n    }\n    return result;\n}\nconst WASM_BYTES = decodeBase64(wasm_1.LIMITS.BYTES);\nlet WASM_MODULE;\n// empty canvas\nconst NULL_CANVAS = new Uint32Array();\n// proxy for lazy binding of decoder methods to wasm env callbacks\nclass CallbackProxy {\n    constructor() {\n        this.bandHandler = (width) => 1;\n        this.modeHandler = (mode) => 1;\n    }\n    handle_band(width) {\n        return this.bandHandler(width);\n    }\n    mode_parsed(mode) {\n        return this.modeHandler(mode);\n    }\n}\n// default decoder options\nconst DEFAULT_OPTIONS = {\n    memoryLimit: 2048 * 65536,\n    sixelColor: Colors_1.DEFAULT_FOREGROUND,\n    fillColor: Colors_1.DEFAULT_BACKGROUND,\n    palette: Colors_1.PALETTE_VT340_COLOR,\n    paletteLimit: wasm_1.LIMITS.PALETTE_SIZE,\n    truncate: true\n};\n/**\n * Create a decoder instance asynchronously.\n * To be used in the browser main thread.\n */\nfunction DecoderAsync(opts) {\n    const cbProxy = new CallbackProxy();\n    const importObj = {\n        env: {\n            handle_band: cbProxy.handle_band.bind(cbProxy),\n            mode_parsed: cbProxy.mode_parsed.bind(cbProxy)\n        }\n    };\n    return WebAssembly.instantiate(WASM_MODULE || WASM_BYTES, importObj)\n        .then((inst) => {\n        WASM_MODULE = WASM_MODULE || inst.module;\n        return new Decoder(opts, inst.instance || inst, cbProxy);\n    });\n}\nexports.DecoderAsync = DecoderAsync;\n/**\n * Decoder - web assembly based sixel stream decoder.\n *\n * Usage pattern:\n *  - call `init` to initialize decoder for new image\n *  - feed data chunks to `decode` or `decodeString`\n *  - grab pixels from `data32`\n *  - optional: call `release` to free memory (e.g. after big images)\n *  - start over with next image by calling `init`\n *\n * Properties:\n *  - max width of 2^14 - 4 pixels (compile time setting in wasm)\n *  - no explicit height limit (only limited by memory)\n *  - max 4096 colors palette (compile time setting in wasm)\n *\n * Explanation operation modes:\n * - M1   Mode chosen for level 1 images (no raster attributes),\n *        or for level 2 images with `truncate=false`.\n * - M2   Mode chosen for level 2 images with `truncate=true` (default).\n *        While this mode is not fully spec conform (decoder not expected to truncate),\n *        it is what spec conform encoders should create (should not excess raster).\n *        This mode has several advantages:\n *        - ~15% faster decoding speed\n *        - image dimensions can be evaluated early without processing the whole data\n *        - faster pixel access in `data32` (precalulated)\n *        - image height is not reported as multiple of 6 pixels\n * - M0   Undecided mode state after `init`.\n * The level of an image is determined during early decoding based on the fact,\n * whether the data contains valid raster attributes before any sixel data.\n * Until then the mode of an image is marked as M0, meaning the real operation mode\n * could not be decided yet.\n */\nclass Decoder {\n    /**\n     * Synchonous ctor. Can be called from nodejs or a webworker context.\n     * For instantiation in the browser main thread use `WasmDecoderAsync` instead.\n     */\n    constructor(opts, _instance, _cbProxy) {\n        this._PIXEL_OFFSET = wasm_1.LIMITS.MAX_WIDTH + 4;\n        this._canvas = NULL_CANVAS;\n        this._bandWidths = [];\n        this._maxWidth = 0;\n        this._minWidth = wasm_1.LIMITS.MAX_WIDTH;\n        this._lastOffset = 0;\n        this._currentHeight = 0;\n        this._opts = Object.assign({}, DEFAULT_OPTIONS, opts);\n        if (this._opts.paletteLimit > wasm_1.LIMITS.PALETTE_SIZE) {\n            throw new Error(`DecoderOptions.paletteLimit must not exceed ${wasm_1.LIMITS.PALETTE_SIZE}`);\n        }\n        if (!_instance) {\n            const module = WASM_MODULE || (WASM_MODULE = new WebAssembly.Module(WASM_BYTES));\n            _instance = new WebAssembly.Instance(module, {\n                env: {\n                    handle_band: this._handle_band.bind(this),\n                    mode_parsed: this._initCanvas.bind(this)\n                }\n            });\n        }\n        else {\n            _cbProxy.bandHandler = this._handle_band.bind(this);\n            _cbProxy.modeHandler = this._initCanvas.bind(this);\n        }\n        this._instance = _instance;\n        this._wasm = this._instance.exports;\n        this._chunk = new Uint8Array(this._wasm.memory.buffer, this._wasm.get_chunk_address(), wasm_1.LIMITS.CHUNK_SIZE);\n        this._states = new Uint32Array(this._wasm.memory.buffer, this._wasm.get_state_address(), 12);\n        this._palette = new Uint32Array(this._wasm.memory.buffer, this._wasm.get_palette_address(), wasm_1.LIMITS.PALETTE_SIZE);\n        this._palette.set(this._opts.palette);\n        this._pSrc = new Uint32Array(this._wasm.memory.buffer, this._wasm.get_p0_address());\n        this._wasm.init(Colors_1.DEFAULT_FOREGROUND, 0, this._opts.paletteLimit, 0);\n    }\n    // some readonly parser states for internal usage\n    get _fillColor() { return this._states[0]; }\n    get _truncate() { return this._states[8]; }\n    get _rasterWidth() { return this._states[6]; }\n    get _rasterHeight() { return this._states[7]; }\n    get _width() { return this._states[2] ? this._states[2] - 4 : 0; }\n    get _height() { return this._states[3]; }\n    get _level() { return this._states[9]; }\n    get _mode() { return this._states[10]; }\n    get _paletteLimit() { return this._states[11]; }\n    _initCanvas(mode) {\n        if (mode === 2 /* M2 */) {\n            const pixels = this.width * this.height;\n            if (pixels > this._canvas.length) {\n                if (this._opts.memoryLimit && pixels * 4 > this._opts.memoryLimit) {\n                    this.release();\n                    throw new Error('image exceeds memory limit');\n                }\n                this._canvas = new Uint32Array(pixels);\n            }\n            this._maxWidth = this._width;\n        }\n        else if (mode === 1 /* M1 */) {\n            if (this._level === 2) {\n                // got raster attributes, use them as initial size hint\n                const pixels = Math.min(this._rasterWidth, wasm_1.LIMITS.MAX_WIDTH) * this._rasterHeight;\n                if (pixels > this._canvas.length) {\n                    if (this._opts.memoryLimit && pixels * 4 > this._opts.memoryLimit) {\n                        this.release();\n                        throw new Error('image exceeds memory limit');\n                    }\n                    this._canvas = new Uint32Array(pixels);\n                }\n            }\n            else {\n                // else fallback to generic resizing, starting with 256*256 pixels\n                if (this._canvas.length < 65536) {\n                    this._canvas = new Uint32Array(65536);\n                }\n            }\n        }\n        return 0; // 0 - continue, 1 - abort right away\n    }\n    _realloc(offset, additionalPixels) {\n        const pixels = offset + additionalPixels;\n        if (pixels > this._canvas.length) {\n            if (this._opts.memoryLimit && pixels * 4 > this._opts.memoryLimit) {\n                this.release();\n                throw new Error('image exceeds memory limit');\n            }\n            // extend in 65536 pixel blocks\n            const newCanvas = new Uint32Array(Math.ceil(pixels / 65536) * 65536);\n            newCanvas.set(this._canvas);\n            this._canvas = newCanvas;\n        }\n    }\n    _handle_band(width) {\n        const adv = this._PIXEL_OFFSET;\n        let offset = this._lastOffset;\n        if (this._mode === 2 /* M2 */) {\n            let remaining = this.height - this._currentHeight;\n            let c = 0;\n            while (c < 6 && remaining > 0) {\n                this._canvas.set(this._pSrc.subarray(adv * c, adv * c + width), offset + width * c);\n                c++;\n                remaining--;\n            }\n            this._lastOffset += width * c;\n            this._currentHeight += c;\n        }\n        else if (this._mode === 1 /* M1 */) {\n            this._realloc(offset, width * 6);\n            this._maxWidth = Math.max(this._maxWidth, width);\n            this._minWidth = Math.min(this._minWidth, width);\n            for (let i = 0; i < 6; ++i) {\n                this._canvas.set(this._pSrc.subarray(adv * i, adv * i + width), offset + width * i);\n            }\n            this._bandWidths.push(width);\n            this._lastOffset += width * 6;\n            this._currentHeight += 6;\n        }\n        return 0; // 0 - continue, 1 - abort right away\n    }\n    /**\n     * Width of the image data.\n     * Returns the rasterWidth in level2/truncating mode,\n     * otherwise the max width, that has been seen so far.\n     */\n    get width() {\n        return this._mode !== 1 /* M1 */\n            ? this._width\n            : Math.max(this._maxWidth, this._wasm.current_width());\n    }\n    /**\n     * Height of the image data.\n     * Returns the rasterHeight in level2/truncating mode,\n     * otherwise height touched by sixels.\n     */\n    get height() {\n        return this._mode !== 1 /* M1 */\n            ? this._height\n            : this._wasm.current_width()\n                ? this._bandWidths.length * 6 + this._wasm.current_height()\n                : this._bandWidths.length * 6;\n    }\n    /**\n     * Get active palette colors as RGBA8888[] (borrowed).\n     */\n    get palette() {\n        return this._palette.subarray(0, this._paletteLimit);\n    }\n    /**\n     * Get the memory used by the decoder.\n     *\n     * This is a rough estimate accounting the wasm instance memory\n     * and pixel buffers held on JS side (real value will be slightly\n     * higher due to JS book-keeping).\n     * Note that the decoder does not free ressources on its own,\n     * call `release` to free excess memory.\n     */\n    get memoryUsage() {\n        return this._canvas.byteLength + this._wasm.memory.buffer.byteLength + 8 * this._bandWidths.length;\n    }\n    /**\n     * Get various properties of the decoder and the current image.\n     */\n    get properties() {\n        return {\n            width: this.width,\n            height: this.height,\n            mode: this._mode,\n            level: this._level,\n            truncate: !!this._truncate,\n            paletteLimit: this._paletteLimit,\n            fillColor: this._fillColor,\n            memUsage: this.memoryUsage,\n            rasterAttributes: {\n                numerator: this._states[4],\n                denominator: this._states[5],\n                width: this._rasterWidth,\n                height: this._rasterHeight,\n            }\n        };\n    }\n    /**\n     * Initialize decoder for next image. Must be called before\n     * any calls to `decode` or `decodeString`.\n     */\n    // FIXME: reorder arguments, better palette handling\n    init(fillColor = this._opts.fillColor, palette = this._opts.palette, paletteLimit = this._opts.paletteLimit, truncate = this._opts.truncate) {\n        this._wasm.init(this._opts.sixelColor, fillColor, paletteLimit, truncate ? 1 : 0);\n        if (palette) {\n            this._palette.set(palette.subarray(0, wasm_1.LIMITS.PALETTE_SIZE));\n        }\n        this._bandWidths.length = 0;\n        this._maxWidth = 0;\n        this._minWidth = wasm_1.LIMITS.MAX_WIDTH;\n        this._lastOffset = 0;\n        this._currentHeight = 0;\n    }\n    /**\n     * Decode next chunk of data from start to end index (exclusive).\n     * @throws Will throw if the image exceeds the memory limit.\n     */\n    decode(data, start = 0, end = data.length) {\n        let p = start;\n        while (p < end) {\n            const length = Math.min(end - p, wasm_1.LIMITS.CHUNK_SIZE);\n            this._chunk.set(data.subarray(p, p += length));\n            this._wasm.decode(0, length);\n        }\n    }\n    /**\n     * Decode next chunk of string data from start to end index (exclusive).\n     * Note: Decoding from string data is rather slow, use `decode` with byte data instead.\n     * @throws Will throw if the image exceeds the memory limit.\n     */\n    decodeString(data, start = 0, end = data.length) {\n        let p = start;\n        while (p < end) {\n            const length = Math.min(end - p, wasm_1.LIMITS.CHUNK_SIZE);\n            for (let i = 0, j = p; i < length; ++i, ++j) {\n                this._chunk[i] = data.charCodeAt(j);\n            }\n            p += length;\n            this._wasm.decode(0, length);\n        }\n    }\n    /**\n     * Get current pixel data as 32-bit typed array (RGBA8888).\n     * Also peeks into pixel data of the current band, that got not pushed yet.\n     */\n    get data32() {\n        if (this._mode === 0 /* M0 */ || !this.width || !this.height) {\n            return NULL_CANVAS;\n        }\n        // get width of pending band to peek into left-over data\n        const currentWidth = this._wasm.current_width();\n        if (this._mode === 2 /* M2 */) {\n            let remaining = this.height - this._currentHeight;\n            if (remaining > 0) {\n                const adv = this._PIXEL_OFFSET;\n                let offset = this._lastOffset;\n                let c = 0;\n                while (c < 6 && remaining > 0) {\n                    this._canvas.set(this._pSrc.subarray(adv * c, adv * c + currentWidth), offset + currentWidth * c);\n                    c++;\n                    remaining--;\n                }\n                if (remaining) {\n                    this._canvas.fill(this._fillColor, offset + currentWidth * c);\n                }\n            }\n            return this._canvas.subarray(0, this.width * this.height);\n        }\n        if (this._mode === 1 /* M1 */) {\n            if (this._minWidth === this._maxWidth) {\n                let escape = false;\n                if (currentWidth) {\n                    if (currentWidth !== this._minWidth) {\n                        escape = true;\n                    }\n                    else {\n                        const adv = this._PIXEL_OFFSET;\n                        let offset = this._lastOffset;\n                        this._realloc(offset, currentWidth * 6);\n                        for (let i = 0; i < 6; ++i) {\n                            this._canvas.set(this._pSrc.subarray(adv * i, adv * i + currentWidth), offset + currentWidth * i);\n                        }\n                    }\n                }\n                if (!escape) {\n                    return this._canvas.subarray(0, this.width * this.height);\n                }\n            }\n            // worst case: re-align pixels if we have bands with different width\n            // This is somewhat allocation intensive, any way to do that in-place, and just once?\n            const final = new Uint32Array(this.width * this.height);\n            final.fill(this._fillColor);\n            let finalOffset = 0;\n            let start = 0;\n            for (let i = 0; i < this._bandWidths.length; ++i) {\n                const bw = this._bandWidths[i];\n                for (let p = 0; p < 6; ++p) {\n                    final.set(this._canvas.subarray(start, start += bw), finalOffset);\n                    finalOffset += this.width;\n                }\n            }\n            // also handle left-over pixels of the current band\n            if (currentWidth) {\n                const adv = this._PIXEL_OFFSET;\n                // other than finished bands, this runs only up to currentHeight\n                const currentHeight = this._wasm.current_height();\n                for (let i = 0; i < currentHeight; ++i) {\n                    final.set(this._pSrc.subarray(adv * i, adv * i + currentWidth), finalOffset + this.width * i);\n                }\n            }\n            return final;\n        }\n        // fallthrough for all not handled cases\n        return NULL_CANVAS;\n    }\n    /**\n     * Same as `data32`, but returning pixel data as Uint8ClampedArray suitable\n     * for direct usage with `ImageData`.\n     */\n    get data8() {\n        return new Uint8ClampedArray(this.data32.buffer, 0, this.width * this.height * 4);\n    }\n    /**\n     * Release image ressources on JS side held by the decoder.\n     *\n     * The decoder tries to re-use memory ressources of a previous image\n     * to lower allocation and GC pressure. Decoding a single big image\n     * will grow the memory usage of the decoder permanently.\n     * Call `release` to reset the internal buffers and free the memory.\n     * Note that this destroys the image data, call it when done processing\n     * a rather big image, otherwise it is not needed. Use `memoryUsage`\n     * to decide, whether the held memory is still within your limits.\n     * This does not affect the wasm module (operates on static memory).\n     */\n    release() {\n        this._canvas = NULL_CANVAS;\n        this._bandWidths.length = 0;\n        this._maxWidth = 0;\n        this._minWidth = wasm_1.LIMITS.MAX_WIDTH;\n        // also nullify parser states in wasm to avoid\n        // width/height reporting potential out-of-bound values\n        this._wasm.init(Colors_1.DEFAULT_FOREGROUND, 0, this._opts.paletteLimit, 0);\n    }\n}\nexports.Decoder = Decoder;\n/**\n * Convenient decoding functions for easier usage.\n *\n * These can be used for casual decoding of sixel images,\n * that dont come in as stream chunks.\n * Note that the functions instantiate a stream decoder for every call,\n * which comes with a performance penalty of ~25%.\n */\n/**\n * Decode function with synchronous wasm loading.\n * Can be used in a web worker or in nodejs. Does not work reliable in normal browser context.\n * @throws Will throw if the image exceeds the memory limit.\n */\nfunction decode(data, opts) {\n    const dec = new Decoder(opts);\n    dec.init();\n    typeof data === 'string' ? dec.decodeString(data) : dec.decode(data);\n    return {\n        width: dec.width,\n        height: dec.height,\n        data32: dec.data32,\n        data8: dec.data8\n    };\n}\nexports.decode = decode;\n/**\n * Decode function with asynchronous wasm loading.\n * Use this version in normal browser context.\n * @throws Will throw if the image exceeds the memory limit.\n */\nasync function decodeAsync(data, opts) {\n    const dec = await DecoderAsync(opts);\n    dec.init();\n    typeof data === 'string' ? dec.decodeString(data) : dec.decode(data);\n    return {\n        width: dec.width,\n        height: dec.height,\n        data32: dec.data32,\n        data8: dec.data8\n    };\n}\nexports.decodeAsync = decodeAsync;\n//# sourceMappingURL=Decoder.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.LIMITS = void 0;\nexports.LIMITS = {\n    CHUNK_SIZE: 16384,\n    PALETTE_SIZE: 4096,\n    MAX_WIDTH: 16384,\n    BYTES: 'AGFzbQEAAAABJAdgAAF/YAJ/fwBgA39/fwF/YAF/AX9gAABgBH9/f38AYAF/AAIlAgNlbnYLaGFuZGxlX2JhbmQAAwNlbnYLbW9kZV9wYXJzZWQAAwMTEgQAAAAAAQQBAQUBAAACAgAGAwQFAXABBwcFBAEBBwcGCAF/AUGAihoLB9wBDgZtZW1vcnkCABFnZXRfc3RhdGVfYWRkcmVzcwADEWdldF9jaHVua19hZGRyZXNzAAQOZ2V0X3AwX2FkZHJlc3MABRNnZXRfcGFsZXR0ZV9hZGRyZXNzAAYEaW5pdAALBmRlY29kZQAMDWN1cnJlbnRfd2lkdGgADQ5jdXJyZW50X2hlaWdodAAOGV9faW5kaXJlY3RfZnVuY3Rpb25fdGFibGUBAAtfaW5pdGlhbGl6ZQACCXN0YWNrU2F2ZQARDHN0YWNrUmVzdG9yZQASCnN0YWNrQWxsb2MAEwkMAQBBAQsGCgcJDxACDAEBCq5UEgMAAQsFAEGgCAsGAEGQiQELBgBBsIkCCwUAQZAJC+okAQh/QeQIKAIAIQVB4AgoAgAhA0HoCCgCACEIIAFBkIkBaiIJQf8BOgAAIAAgAUgEQCAAQZCJAWohBgNAIAMhBCAGQQFqIQECQCAGLQAAQf8AcSIDQTBrQQlLBEAgASEGDAELQewIKAIAQQJ0QewIaiICKAIAIQADQCACIAMgAEEKbGpBMGsiADYCACABLQAAIQMgAUEBaiIGIQEgA0H/AHEiA0Ewa0EKSQ0ACwsCQAJAAkACQAJAAkACQAJ/AkACQCADQT9rIgBBP00EQCAERQ0BIARBIUYEQAJAQfAIKAIAIgFBASABGyIHIAhqIgFB1AgoAgAiA0gNACADQf//AEoNAANAIANBAnQiAkGgiQJqIgRBoAgpAwA3AwAgAkGoiQJqQaAIKQMANwMAIAJBsIkCakGgCCkDADcDACACQbiJAmpBoAgpAwA3AwAgAkHAiQJqQaAIKQMANwMAIAJByIkCakGgCCkDADcDACACQdCJAmpBoAgpAwA3AwAgAkHYiQJqQaAIKQMANwMAIAJB4IkCakGgCCkDADcDACACQeiJAmpBoAgpAwA3AwAgAkHwiQJqQaAIKQMANwMAIAJB+IkCakGgCCkDADcDACACQYCKAmpBoAgpAwA3AwAgAkGIigJqQaAIKQMANwMAIAJBkIoCakGgCCkDADcDACACQZiKAmpBoAgpAwA3AwAgAkGgigJqQaAIKQMANwMAIAJBqIoCakGgCCkDADcDACACQbCKAmpBoAgpAwA3AwAgAkG4igJqQaAIKQMANwMAIAJBwIoCakGgCCkDADcDACACQciKAmpBoAgpAwA3AwAgAkHQigJqQaAIKQMANwMAIAJB2IoCakGgCCkDADcDACACQeCKAmpBoAgpAwA3AwAgAkHoigJqQaAIKQMANwMAIAJB8IoCakGgCCkDADcDACACQfiKAmpBoAgpAwA3AwAgAkGAiwJqQaAIKQMANwMAIAJBiIsCakGgCCkDADcDACACQZCLAmpBoAgpAwA3AwAgAkGYiwJqQaAIKQMANwMAIAJBoIsCakGgCCkDADcDACACQaiLAmpBoAgpAwA3AwAgAkGwiwJqQaAIKQMANwMAIAJBuIsCakGgCCkDADcDACACQcCLAmpBoAgpAwA3AwAgAkHIiwJqQaAIKQMANwMAIAJB0IsCakGgCCkDADcDACACQdiLAmpBoAgpAwA3AwAgAkHgiwJqQaAIKQMANwMAIAJB6IsCakGgCCkDADcDACACQfCLAmpBoAgpAwA3AwAgAkH4iwJqQaAIKQMANwMAIAJBgIwCakGgCCkDADcDACACQYiMAmpBoAgpAwA3AwAgAkGQjAJqQaAIKQMANwMAIAJBmIwCakGgCCkDADcDACACQaCMAmpBoAgpAwA3AwAgAkGojAJqQaAIKQMANwMAIAJBsIwCakGgCCkDADcDACACQbiMAmpBoAgpAwA3AwAgAkHAjAJqQaAIKQMANwMAIAJByIwCakGgCCkDADcDACACQdCMAmpBoAgpAwA3AwAgAkHYjAJqQaAIKQMANwMAIAJB4IwCakGgCCkDADcDACACQeiMAmpBoAgpAwA3AwAgAkHwjAJqQaAIKQMANwMAIAJB+IwCakGgCCkDADcDACACQYCNAmpBoAgpAwA3AwAgAkGIjQJqQaAIKQMANwMAIAJBkI0CakGgCCkDADcDACACQZiNAmpBoAgpAwA3AwAgAkGwiQZqIARBgAT8CgAAQdQIKAIAQQJ0QcCJCmogBEGABPwKAABB1AgoAgBBAnRB0IkOaiAEQYAE/AoAAEHUCCgCAEECdEHgiRJqIARBgAT8CgAAQdQIKAIAQQJ0QfCJFmogBEGABPwKAABB1AhB1AgoAgAiAkGAAWoiAzYCACABIANIDQEgAkGA/wBIDQALCwJAIABFDQAgCEH//wBLDQBBgIABIAhrIAcgAUH//wBLGyECAkAgAEEBcUUNACACRQ0AIAhBAnRBoIkCaiEDIAIhBCACQQdxIgcEQANAIAMgBTYCACADQQRqIQMgBEEBayEEIAdBAWsiBw0ACwsgAkEBa0EHSQ0AA0AgAyAFNgIcIAMgBTYCGCADIAU2AhQgAyAFNgIQIAMgBTYCDCADIAU2AgggAyAFNgIEIAMgBTYCACADQSBqIQMgBEEIayIEDQALCwJAIABBAnFFDQAgAkUNACAIQQJ0QbCJBmohAyACIQQgAkEHcSIHBEADQCADIAU2AgAgA0EEaiEDIARBAWshBCAHQQFrIgcNAAsLIAJBAWtBB0kNAANAIAMgBTYCHCADIAU2AhggAyAFNgIUIAMgBTYCECADIAU2AgwgAyAFNgIIIAMgBTYCBCADIAU2AgAgA0EgaiEDIARBCGsiBA0ACwsCQCAAQQRxRQ0AIAJFDQAgCEECdEHAiQpqIQMgAiEEIAJBB3EiBwRAA0AgAyAFNgIAIANBBGohAyAEQQFrIQQgB0EBayIHDQALCyACQQFrQQdJDQADQCADIAU2AhwgAyAFNgIYIAMgBTYCFCADIAU2AhAgAyAFNgIMIAMgBTYCCCADIAU2AgQgAyAFNgIAIANBIGohAyAEQQhrIgQNAAsLAkAgAEEIcUUNACACRQ0AIAhBAnRB0IkOaiEDIAIhBCACQQdxIgcEQANAIAMgBTYCACADQQRqIQMgBEEBayEEIAdBAWsiBw0ACwsgAkEBa0EHSQ0AA0AgAyAFNgIcIAMgBTYCGCADIAU2AhQgAyAFNgIQIAMgBTYCDCADIAU2AgggAyAFNgIEIAMgBTYCACADQSBqIQMgBEEIayIEDQALCwJAIABBEHFFDQAgAkUNACAIQQJ0QeCJEmohAyACIQQgAkEHcSIHBEADQCADIAU2AgAgA0EEaiEDIARBAWshBCAHQQFrIgcNAAsLIAJBAWtBB0kNAANAIAMgBTYCHCADIAU2AhggAyAFNgIUIAMgBTYCECADIAU2AgwgAyAFNgIIIAMgBTYCBCADIAU2AgAgA0EgaiEDIARBCGsiBA0ACwsgAEEgcUUNACACRQ0AIAJBAWshByAIQQJ0QfCJFmohAyACQQdxIgQEQANAIAMgBTYCACADQQRqIQMgAkEBayECIARBAWsiBA0ACwsgB0EHSQ0AA0AgAyAFNgIcIAMgBTYCGCADIAU2AhQgAyAFNgIQIAMgBTYCDCADIAU2AgggAyAFNgIEIAMgBTYCACADQSBqIQMgAkEIayICDQALC0HcCEHcCCgCACAAcjYCACAGQQFqIgIgBi0AAEH/AHEiA0E/ayIAQT9LDQQaDAMLAkBB7AgoAgAiBEEBRgRAQfAIKAIAIgNBzAgoAgAiAUkNASADIAFwIQMMAQtB+AgoAgAhAkH0CCgCACEBAkACQCAEQQVHDQAgAUEBRw0AIAJB6QJODQQMAQsgAkHkAEoNA0H8CCgCAEHkAEoNA0GACSgCAEHkAEoNAwsCQCABRQ0AIAFBAkoNACACQfwIKAIAQYAJKAIAIAFBAnRBiAhqKAIAEQIAIQFB8AgoAgAiA0HMCCgCACICTwR/IAMgAnAFIAMLQQJ0QZAJaiABNgIAC0HwCCgCACIDQcwIKAIAIgFJDQAgAyABcCEDCyADQQJ0QZAJaigCACEFDAELIANB/QBxQSFHBEAgCCEBIAYhAgwECyAEQSNHDQQCQEHsCCgCACICQQFGBEBB8AgoAgAiAUHMCCgCACIASQ0BIAEgAHAhAQwBC0H4CCgCACEBQfQIKAIAIQACQAJAIAJBBUcNACAAQQFHDQAgAUHpAkgNAQwHCyABQeQASg0GQfwIKAIAQeQASg0GQYAJKAIAQeQASg0GCwJAIABFDQAgAEECSg0AIAFB/AgoAgBBgAkoAgAgAEECdEGICGooAgARAgAhAEHwCCgCACIBQcwIKAIAIgJPBH8gASACcAUgAQtBAnRBkAlqIAA2AgALQfAIKAIAIgFBzAgoAgAiAEkNACABIABwIQELIAFBAnRBkAlqKAIAIQUMBAsgCCEBIAYhAgtB1AgoAgAhBgNAAkAgASAGSA0AIAZB//8ASg0AIAZBAnQiBEGgiQJqIgZBoAgpAwA3AwAgBEGoiQJqQaAIKQMANwMAIARBsIkCakGgCCkDADcDACAEQbiJAmpBoAgpAwA3AwAgBEHAiQJqQaAIKQMANwMAIARByIkCakGgCCkDADcDACAEQdCJAmpBoAgpAwA3AwAgBEHYiQJqQaAIKQMANwMAIARB4IkCakGgCCkDADcDACAEQeiJAmpBoAgpAwA3AwAgBEHwiQJqQaAIKQMANwMAIARB+IkCakGgCCkDADcDACAEQYCKAmpBoAgpAwA3AwAgBEGIigJqQaAIKQMANwMAIARBkIoCakGgCCkDADcDACAEQZiKAmpBoAgpAwA3AwAgBEGgigJqQaAIKQMANwMAIARBqIoCakGgCCkDADcDACAEQbCKAmpBoAgpAwA3AwAgBEG4igJqQaAIKQMANwMAIARBwIoCakGgCCkDADcDACAEQciKAmpBoAgpAwA3AwAgBEHQigJqQaAIKQMANwMAIARB2IoCakGgCCkDADcDACAEQeCKAmpBoAgpAwA3AwAgBEHoigJqQaAIKQMANwMAIARB8IoCakGgCCkDADcDACAEQfiKAmpBoAgpAwA3AwAgBEGAiwJqQaAIKQMANwMAIARBiIsCakGgCCkDADcDACAEQZCLAmpBoAgpAwA3AwAgBEGYiwJqQaAIKQMANwMAIARBoIsCakGgCCkDADcDACAEQaiLAmpBoAgpAwA3AwAgBEGwiwJqQaAIKQMANwMAIARBuIsCakGgCCkDADcDACAEQcCLAmpBoAgpAwA3AwAgBEHIiwJqQaAIKQMANwMAIARB0IsCakGgCCkDADcDACAEQdiLAmpBoAgpAwA3AwAgBEHgiwJqQaAIKQMANwMAIARB6IsCakGgCCkDADcDACAEQfCLAmpBoAgpAwA3AwAgBEH4iwJqQaAIKQMANwMAIARBgIwCakGgCCkDADcDACAEQYiMAmpBoAgpAwA3AwAgBEGQjAJqQaAIKQMANwMAIARBmIwCakGgCCkDADcDACAEQaCMAmpBoAgpAwA3AwAgBEGojAJqQaAIKQMANwMAIARBsIwCakGgCCkDADcDACAEQbiMAmpBoAgpAwA3AwAgBEHAjAJqQaAIKQMANwMAIARByIwCakGgCCkDADcDACAEQdCMAmpBoAgpAwA3AwAgBEHYjAJqQaAIKQMANwMAIARB4IwCakGgCCkDADcDACAEQeiMAmpBoAgpAwA3AwAgBEHwjAJqQaAIKQMANwMAIARB+IwCakGgCCkDADcDACAEQYCNAmpBoAgpAwA3AwAgBEGIjQJqQaAIKQMANwMAIARBkI0CakGgCCkDADcDACAEQZiNAmpBoAgpAwA3AwAgBEGwiQZqIAZBgAT8CgAAQdQIKAIAQQJ0QcCJCmogBkGABPwKAABB1AgoAgBBAnRB0IkOaiAGQYAE/AoAAEHUCCgCAEECdEHgiRJqIAZBgAT8CgAAQdQIKAIAQQJ0QfCJFmogBkGABPwKAABB1AhB1AgoAgBBgAFqIgY2AgALIAFB//8ATQRAIABBAXEgAWxBAnRBoIkCaiAFNgIAIABBAXZBAXEgAWxBAnRBsIkGaiAFNgIAIABBAnZBAXEgAWxBAnRBwIkKaiAFNgIAIABBA3ZBAXEgAWxBAnRB0IkOaiAFNgIAIABBBHZBAXEgAWxBAnRB4IkSaiAFNgIAIABBBXYgAWxBAnRB8IkWaiAFNgIAQdQIKAIAIQYLIAFBAWohAUHcCEHcCCgCACAAcjYCACACLQAAIQAgAkEBaiIEIQIgAEH/AHEiA0E/ayIAQcAASQ0ACyAECyECQQAhBCACIQYgASEIIANB/QBxQSFGDQELIANBJGsOCgEDAwMDAwMDAwIDC0HsCEIBNwIADAQLQdgIIAFB2AgoAgAiACAAIAFIGyIAQYCAASAAQYCAAUgbNgIADAILQegIIAFB2AgoAgAiACAAIAFIGyIAQYCAASAAQYCAAUgbIgA2AgBB2AggADYCACAAQQRrEAAEQEHoCEEENgIAQdgIQQQ2AgBB0AhBATYCAA8LEAgMAQsCQCADQTtHDQBB7AgoAgAiAEEHSg0AQewIIABBAWo2AgAgAEECdEHwCGpBADYCAAsgAiEGIAQhAyABIQgMAQtBBCEIIAIhBiAEIQMLIAYgCUkNAAsLQeQIIAU2AgBB4AggAzYCAEHoCCAINgIAC9ELAgF+CH9B2AhCBDcDAEGojQJBoAgpAwAiADcDAEGgjQIgADcDAEGYjQIgADcDAEGQjQIgADcDAEGIjQIgADcDAEGAjQIgADcDAEH4jAIgADcDAEHwjAIgADcDAEHojAIgADcDAEHgjAIgADcDAEHYjAIgADcDAEHQjAIgADcDAEHIjAIgADcDAEHAjAIgADcDAEG4jAIgADcDAEGwjAIgADcDAEGojAIgADcDAEGgjAIgADcDAEGYjAIgADcDAEGQjAIgADcDAEGIjAIgADcDAEGAjAIgADcDAEH4iwIgADcDAEHwiwIgADcDAEHoiwIgADcDAEHgiwIgADcDAEHYiwIgADcDAEHQiwIgADcDAEHIiwIgADcDAEHAiwIgADcDAEG4iwIgADcDAEGwiwIgADcDAEGoiwIgADcDAEGgiwIgADcDAEGYiwIgADcDAEGQiwIgADcDAEGIiwIgADcDAEGAiwIgADcDAEH4igIgADcDAEHwigIgADcDAEHoigIgADcDAEHgigIgADcDAEHYigIgADcDAEHQigIgADcDAEHIigIgADcDAEHAigIgADcDAEG4igIgADcDAEGwigIgADcDAEGoigIgADcDAEGgigIgADcDAEGYigIgADcDAEGQigIgADcDAEGIigIgADcDAEGAigIgADcDAEH4iQIgADcDAEHwiQIgADcDAEHoiQIgADcDAEHgiQIgADcDAEHYiQIgADcDAEHQiQIgADcDAEHIiQIgADcDAEHAiQIgADcDAEG4iQIgADcDAEGwiQIgADcDAEGoCCgCACIEQf8AakGAAW0hCAJAIARBgQFIDQBBASEBIAhBAiAIQQJKG0EBayICQQFxIQMgBEGBAk4EQCACQX5xIQIDQCABQQl0IgdBEHJBoIkCakGwiQJBgAT8CgAAIAdBsI0CakGwiQJBgAT8CgAAIAFBAmohASACQQJrIgINAAsLIANFDQAgAUEJdEEQckGgiQJqQbCJAkGABPwKAAALAkAgBEEBSA0AIAhBASAIQQFKGyIDQQFxIQUCQCADQQFrIgdFBEBBACEBDAELIANB/v///wdxIQJBACEBA0AgAUEJdCIGQRByQbCJBmpBsIkCQYAE/AoAACAGQZAEckGwiQZqQbCJAkGABPwKAAAgAUECaiEBIAJBAmsiAg0ACwsgBQRAIAFBCXRBEHJBsIkGakGwiQJBgAT8CgAACyAEQQFIDQAgA0EBcSEFIAcEfyADQf7///8HcSECQQAhAQNAIAFBCXQiBkEQckHAiQpqQbCJAkGABPwKAAAgBkGQBHJBwIkKakGwiQJBgAT8CgAAIAFBAmohASACQQJrIgINAAsgAUEHdEEEcgVBBAshASAFBEAgAUECdEHAiQpqQbCJAkGABPwKAAALIARBAUgNACADQQFxIQUgBwR/IANB/v///wdxIQJBACEBA0AgAUEJdCIGQRByQdCJDmpBsIkCQYAE/AoAACAGQZAEckHQiQ5qQbCJAkGABPwKAAAgAUECaiEBIAJBAmsiAg0ACyABQQd0QQRyBUEECyEBIAUEQCABQQJ0QdCJDmpBsIkCQYAE/AoAAAsgBEEBSA0AIANBAXEhBSAHBH8gA0H+////B3EhAkEAIQEDQCABQQl0IgZBEHJB4IkSakGwiQJBgAT8CgAAIAZBkARyQeCJEmpBsIkCQYAE/AoAACABQQJqIQEgAkECayICDQALIAFBB3RBBHIFQQQLIQEgBQRAIAFBAnRB4IkSakGwiQJBgAT8CgAACyAEQQFIDQAgA0EBcSEEIAcEfyADQf7///8HcSECQQAhAQNAIAFBCXQiA0EQckHwiRZqQbCJAkGABPwKAAAgA0GQBHJB8IkWakGwiQJBgAT8CgAAIAFBAmohASACQQJrIgINAAsgAUEHdEEEcgVBBAshASAERQ0AIAFBAnRB8IkWakGwiQJBgAT8CgAAC0HUCCAIQQd0QQRyNgIAC58TAgh/AX5B5AgoAgAhA0HgCCgCACECQegIKAIAIQcgAUGQiQFqIglB/wE6AAAgACABSARAIABBkIkBaiEIA0AgAiEEIAhBAWohAQJAIAgtAABB/wBxIgJBMGtBCUsEQCABIQgMAQtB7AgoAgBBAnRB7AhqIgUoAgAhAANAIAUgAiAAQQpsakEwayIANgIAIAEtAAAhAiABQQFqIgghASACQf8AcSICQTBrQQpJDQALCwJAAkACQAJAAkACQAJ/AkAgAkE/ayIAQT9NBEAgBEUNASAEQSFGBEBB8AgoAgAiAUEBIAEbIgQgB2ohAQJAIABFDQAgB0H//wBLDQBBgIABIAdrIAQgAUH//wBLGyEFAkAgAEEBcUUNACAHQQJ0QaCJAmohAiAFIgRBB3EiBgRAA0AgAiADNgIAIAJBBGohAiAEQQFrIQQgBkEBayIGDQALCyAFQQFrQQdJDQADQCACIAM2AhwgAiADNgIYIAIgAzYCFCACIAM2AhAgAiADNgIMIAIgAzYCCCACIAM2AgQgAiADNgIAIAJBIGohAiAEQQhrIgQNAAsLAkAgAEECcUUNACAHQQJ0QbCJBmohAiAFIgRBB3EiBgRAA0AgAiADNgIAIAJBBGohAiAEQQFrIQQgBkEBayIGDQALCyAFQQFrQQdJDQADQCACIAM2AhwgAiADNgIYIAIgAzYCFCACIAM2AhAgAiADNgIMIAIgAzYCCCACIAM2AgQgAiADNgIAIAJBIGohAiAEQQhrIgQNAAsLAkAgAEEEcUUNACAHQQJ0QcCJCmohAiAFIgRBB3EiBgRAA0AgAiADNgIAIAJBBGohAiAEQQFrIQQgBkEBayIGDQALCyAFQQFrQQdJDQADQCACIAM2AhwgAiADNgIYIAIgAzYCFCACIAM2AhAgAiADNgIMIAIgAzYCCCACIAM2AgQgAiADNgIAIAJBIGohAiAEQQhrIgQNAAsLAkAgAEEIcUUNACAHQQJ0QdCJDmohAiAFIgRBB3EiBgRAA0AgAiADNgIAIAJBBGohAiAEQQFrIQQgBkEBayIGDQALCyAFQQFrQQdJDQADQCACIAM2AhwgAiADNgIYIAIgAzYCFCACIAM2AhAgAiADNgIMIAIgAzYCCCACIAM2AgQgAiADNgIAIAJBIGohAiAEQQhrIgQNAAsLAkAgAEEQcUUNACAHQQJ0QeCJEmohAiAFIgRBB3EiBgRAA0AgAiADNgIAIAJBBGohAiAEQQFrIQQgBkEBayIGDQALCyAFQQFrQQdJDQADQCACIAM2AhwgAiADNgIYIAIgAzYCFCACIAM2AhAgAiADNgIMIAIgAzYCCCACIAM2AgQgAiADNgIAIAJBIGohAiAEQQhrIgQNAAsLIABBIHFFDQAgBUEBayEEIAdBAnRB8IkWaiEAIAVBB3EiAgRAA0AgACADNgIAIABBBGohACAFQQFrIQUgAkEBayICDQALCyAEQQdJDQADQCAAIAM2AhwgACADNgIYIAAgAzYCFCAAIAM2AhAgACADNgIMIAAgAzYCCCAAIAM2AgQgACADNgIAIABBIGohACAFQQhrIgUNAAsLIAhBAWoiBSAILQAAQf8AcSICQT9rIgBBP00NAxoMBAsCQEHsCCgCACIFQQFGBEBB8AgoAgAiAUHMCCgCACIESQ0BIAEgBHAhAQwBC0H4CCgCACEEQfQIKAIAIQECQAJAIAVBBUcNACABQQFHDQAgBEHpAk4NBAwBCyAEQeQASg0DQfwIKAIAQeQASg0DQYAJKAIAQeQASg0DCwJAIAFFDQAgAUECSg0AIARB/AgoAgBBgAkoAgAgAUECdEGICGooAgARAgAhBEHwCCgCACIBQcwIKAIAIgVPBH8gASAFcAUgAQtBAnRBkAlqIAQ2AgALQfAIKAIAIgFBzAgoAgAiBEkNACABIARwIQELIAFBAnRBkAlqKAIAIQMMAQsgAkH9AHFBIUcEQCAHIQEgAiEADAQLIARBI0cNBAJAQewIKAIAIgRBAUYEQEHwCCgCACIBQcwIKAIAIgBJDQEgASAAcCEBDAELQfgIKAIAIQFB9AgoAgAhAAJAAkAgBEEFRw0AIABBAUcNACABQekCSA0BDAcLIAFB5ABKDQZB/AgoAgBB5ABKDQZBgAkoAgBB5ABKDQYLAkAgAEUNACAAQQJKDQAgAUH8CCgCAEGACSgCACAAQQJ0QYgIaigCABECACEAQfAIKAIAIgFBzAgoAgAiBE8EfyABIARwBSABC0ECdEGQCWogADYCAAtB8AgoAgAiAUHMCCgCACIASQ0AIAEgAHAhAQsgAUECdEGQCWooAgAhAwwECyAHIQEgCAshBQNAIAFB//8ATQRAIABBAXEgAWxBAnRBoIkCaiADNgIAIABBAXZBAXEgAWxBAnRBsIkGaiADNgIAIABBAnZBAXEgAWxBAnRBwIkKaiADNgIAIABBA3ZBAXEgAWxBAnRB0IkOaiADNgIAIABBBHZBAXEgAWxBAnRB4IkSaiADNgIAIABBBXYgAWxBAnRB8IkWaiADNgIACyABQQFqIQEgBS0AACEAIAVBAWoiBCEFIABB/wBxIgJBP2siAEHAAEkNAAsgBCEFC0EAIQQgBSEIIAEhByACIQAgAkH9AHFBIUYNAQtBBCEHIAQhAiAAQSRrDgoDAgICAgICAgIBAgtB7AhCATcCAAwCC0GoCCgCAEEEaxAABEBB0AhBATYCAA8LAkBBqAgoAgAiBkEFSA0AQaAIKQMAIQogBkEDa0EBdiIBQQdxIQJBACEAIAFBAWtBB08EQCABQfj///8HcSEFA0AgAEEDdCIBQbCJAmogCjcDACABQQhyQbCJAmogCjcDACABQRByQbCJAmogCjcDACABQRhyQbCJAmogCjcDACABQSByQbCJAmogCjcDACABQShyQbCJAmogCjcDACABQTByQbCJAmogCjcDACABQThyQbCJAmogCjcDACAAQQhqIQAgBUEIayIFDQALCyACRQ0AA0AgAEEDdEGwiQJqIAo3AwAgAEEBaiEAIAJBAWsiAg0ACwtBwIkGQbCJAiAGQQJ0IgD8CgAAQdCJCkGwiQIgAPwKAABB4IkOQbCJAiAA/AoAAEHwiRJBsIkCIAD8CgAAQYCKFkGwiQIgAPwKAAAgBCECDAELAkAgAEE7Rw0AQewIKAIAIgBBB0oNAEHsCCAAQQFqNgIAIABBAnRB8AhqQQA2AgALIAEhBwsgCCAJSQ0ACwtB5AggAzYCAEHgCCACNgIAQegIIAc2AgAL4gcCBX8BfgJAQdAIAn8CQAJAIAAgAU4NACABQZCJAWohBiAAQZCJAWohBQNAIAUtAAAiA0H/AHEhAgJAAkACQAJAAkACQAJAQeAIKAIAIgRBIkcEQCAEDQcgAkEiRgRAQewIQgE3AgBB4AhBIjYCAAwICyACQT9rQcAASQ0GIANBIWsiAkEMTQ0BDAULAkAgAkEwayIEQQlNBEBB7AgoAgBBAnRB7AhqIgIgBCACKAIAQQpsajYCAAwBC0HsCCgCACEEIAJBO0YEQCAEQQdKDQFB7AggBEEBajYCACAEQQJ0QfAIakEANgIADAELIARBBEYEQEHECEECNgIAQbAIQfAIKQMANwMAQbgIQfgIKAIAIgI2AgBBvAhB/AgoAgAiBDYCAEHICEECQQFBwAgoAgAiAxs2AgBBrAggBEEAIAMbNgIAQagIIAJBgIABIAJBgIABSBtBBGpBACADGzYCAEHgCEEANgIADAoLIAJBP2tBwABJDQQLIANBIWsiAkEMTQ0BDAILQQEgAnRBjSBxRQ0DDAQLQQEgAnRBjSBxDQELIANBoQFrIgJBDEsNA0EBIAJ0QY0gcUUNAwtBxAhCgYCAgBA3AgBBsAhB8AgoAgBBAEHsCCgCACICQQBKGzYCAEG0CEH0CCgCAEEAIAJBAUobNgIAQbgIQfgIKAIAQQAgAkECShs2AgBB4AhBADYCAEG8CEEANgIADAQLIANBoQFrIgJBDEsNAUEBIAJ0QY0gcUUNAQtBxAhCgYCAgBA3AgBBsAhCADcDAEG4CEIANwMADAMLIAVBAWoiBSAGSQ0ACwsCQEHICCgCAA4DAwEAAQsCQEGoCCgCACIFQQVIDQBBoAgpAwAhByAFQQNrQQF2IgNBB3EhBEEAIQIgA0EBa0EHTwRAIANB+P///wdxIQYDQCACQQN0IgNBsIkCaiAHNwMAIANBCHJBsIkCaiAHNwMAIANBEHJBsIkCaiAHNwMAIANBGHJBsIkCaiAHNwMAIANBIHJBsIkCaiAHNwMAIANBKHJBsIkCaiAHNwMAIANBMHJBsIkCaiAHNwMAIANBOHJBsIkCaiAHNwMAIAJBCGohAiAGQQhrIgYNAAsLIARFDQADQCACQQN0QbCJAmogBzcDACACQQFqIQIgBEEBayIEDQALC0HAiQZBsIkCIAVBAnQiA/wKAABB0IkKQbCJAiAD/AoAAEHgiQ5BsIkCIAP8CgAAQfCJEkGwiQIgA/wKAABBgIoWQbCJAiAD/AoAAEECDAELEAhByAgoAgALEAEiAjYCACACDQAgACABQcgIKAIAQQJ0QYAIaigCABEBAAsLdABB6AhBBDYCAEHkCCAANgIAQewIQgE3AgBBxAhCADcCAEHACCADNgIAQdwIQgA3AgBBqAhCADcDAEGwCEIANwMAQbgIQgA3AwBBzAggAkGAICACQYAgSRs2AgBBoAggAa1CgYCAgBB+NwMAQdAIQQA2AgALIwBB0AgoAgBFBEAgACABQcgIKAIAQQJ0QYAIaigCABEBAAsLWgECfwJAAkACQEHICCgCAEEBaw4CAAECC0HYCEHoCCgCACIAQdgIKAIAIgEgACABShsiAEGAgAEgAEGAgAFIGyIANgIAIABBBGsPC0GoCCgCAEEEayEACyAAC0IBAX8Cf0EGQdwIKAIAIgBBIHENABpBBSAAQRBxDQAaQQQgAEEIcQ0AGkEDIABBBHENABpBAiAAQQFxIABBAnEbCwu9BQEFfQJ/IAJFBEAgAUH/AWxBMmpB5ABtIgBBCHQgAHIgAEEQdHIMAQsgArJDAADIQpUhBiAAQfABarJDAAC0Q5UhBQJ9IAGyQwAAyEKVIgNDAAAAP10EQCADIAZDAACAP5KUDAELIAYgA0MAAIA/IAaTlJILIQcgAyADkiEGAkAgBUOrqqo+kiIEQwAAAABdBEAgBEMAAIA/kiEEDAELIARDAACAP15FDQAgBEMAAIC/kiEECyAGIAeTIQMgBUMAAAAAXSEAAn8CfSADIAcgA5NDAADAQJQgBJSSIARDq6oqPl0NABogByAEQwAAAD9dDQAaIAMgBEOrqio/XUUNABogAyAHIAOTIARDAADAwJRDAACAQJKUkgtDAAB/Q5RDAAAAP5IiBkMAAIBPXSAGQwAAAABgcQRAIAapDAELQQALIQECQCAABEAgBUMAAIA/kiEEDAELIAUiBEMAAIA/XkUNACAFQwAAgL+SIQQLIAVDq6qqvpIiBUMAAAAAXSECAn8CfSADIAcgA5NDAADAQJQgBJSSIARDq6oqPl0NABogByAEQwAAAD9dDQAaIAMgBEOrqio/XUUNABogAyAHIAOTIARDAADAwJRDAACAQJKUkgtDAAB/Q5RDAAAAP5IiBkMAAIBPXSAGQwAAAABgcQRAIAapDAELQQALIQACQCACBEAgBUMAAIA/kiEFDAELIAVDAACAP15FDQAgBUMAAIC/kiEFCwJAIAVDq6oqPl0EQCADIAcgA5NDAADAQJQgBZSSIQcMAQsgBUMAAAA/XQ0AIAVDq6oqP11FBEAgAyEHDAELIAMgByADkyAFQwAAwMCUQwAAgECSlJIhBwsgAEEIdAJ/IAdDAAB/Q5RDAAAAP5IiBkMAAIBPXSAGQwAAAABgcQRAIAapDAELQQALQRB0ciABcgtBgICAeHILNwAgAEH/AWxBMmpB5ABtIAFB/wFsQTJqQeQAbUEIdHIgAkH/AWxBMmpB5ABtQRB0ckGAgIB4cgsEACMACwYAIAAkAAsQACMAIABrQXBxIgAkACAACwsYAQBBgAgLEQEAAAACAAAAAwAAAAQAAAAF'\n};\n//# sourceMappingURL=wasm.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nconst inwasm_1 = require(\"inwasm\");\n/**\n * wasm base64 decoder.\n */\nconst wasmDecode = (0, inwasm_1.InWasm)(/*inwasm#6ccf778dadd2ee40:rdef-start:\"decode\"*/{s:1,t:0,d:'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'}/*inwasm#6ccf778dadd2ee40:rdef-end:\"decode\"*/);\n// base64 map\nconst MAP = new Uint8Array('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'\n    .split('')\n    .map(el => el.charCodeAt(0)));\n// init decoder maps in LE order\nconst D = new Uint32Array(1024);\nD.fill(0xFF000000);\nfor (let i = 0; i < MAP.length; ++i)\n    D[MAP[i]] = i << 2;\nfor (let i = 0; i < MAP.length; ++i)\n    D[256 + MAP[i]] = i >> 4 | ((i << 4) & 0xFF) << 8;\nfor (let i = 0; i < MAP.length; ++i)\n    D[512 + MAP[i]] = (i >> 2) << 8 | ((i << 6) & 0xFF) << 16;\nfor (let i = 0; i < MAP.length; ++i)\n    D[768 + MAP[i]] = i << 16;\nconst EMPTY = new Uint8Array(0);\n/**\n * base64 streamline inplace decoder.\n *\n * Features / assumptions:\n * - optimized uint32 read/write (only LE support!)\n * - lazy chunkwise decoding\n * - errors out on any non base64 chars (no support for NL formatted base64)\n * - decodes in wasm\n * - inplace decoding to save memory\n * - supports a keepSize for lazy memory release\n */\nclass Base64Decoder {\n    constructor(keepSize) {\n        this.keepSize = keepSize;\n    }\n    /**\n     * Currently decoded bytes (borrowed).\n     * Must be accessed before calling `release` or `init`.\n     */\n    get data8() {\n        return this._inst ? this._d.subarray(0, this._m32[1282 /* P32.STATE_DP */]) : EMPTY;\n    }\n    /**\n     * Release memory conditionally based on `keepSize`.\n     * If memory gets released, also the wasm instance will be freed and recreated on next `init`,\n     * otherwise the instance will be reused.\n     */\n    release() {\n        if (!this._inst)\n            return;\n        if (this._mem.buffer.byteLength > this.keepSize) {\n            this._inst = this._m32 = this._d = this._mem = null;\n        }\n        else {\n            this._m32[1280 /* P32.STATE_WP */] = 0;\n            this._m32[1281 /* P32.STATE_SP */] = 0;\n            this._m32[1282 /* P32.STATE_DP */] = 0;\n        }\n    }\n    /**\n     * Initializes the decoder for new base64 data.\n     * Must be called before doing any decoding attempts.\n     * `size` is the amount of decoded bytes to be expected.\n     * The method will either spawn a new wasm instance or grow\n     * the needed memory of an existing instance.\n     */\n    init(size) {\n        let m = this._m32;\n        const bytes = (Math.ceil(size / 3) + 1288 /* P32.STATE_DATA */) * 4;\n        if (!this._inst) {\n            this._mem = new WebAssembly.Memory({ initial: Math.ceil(bytes / 65536) });\n            this._inst = wasmDecode({ env: { memory: this._mem } });\n            m = new Uint32Array(this._mem.buffer, 0);\n            m.set(D, 256 /* P32.D0 */);\n            this._d = new Uint8Array(this._mem.buffer, 1288 /* P32.STATE_DATA */ * 4);\n        }\n        else if (this._mem.buffer.byteLength < bytes) {\n            this._mem.grow(Math.ceil((bytes - this._mem.buffer.byteLength) / 65536));\n            m = new Uint32Array(this._mem.buffer, 0);\n            this._d = new Uint8Array(this._mem.buffer, 1288 /* P32.STATE_DATA */ * 4);\n        }\n        m[1284 /* P32.STATE_BSIZE */] = size;\n        m[1283 /* P32.STATE_ESIZE */] = Math.ceil(size / 3) * 4;\n        m[1280 /* P32.STATE_WP */] = 0;\n        m[1281 /* P32.STATE_SP */] = 0;\n        m[1282 /* P32.STATE_DP */] = 0;\n        this._m32 = m;\n    }\n    /**\n     * Put bytes in `data` from `start` to `end` (exclusive) into the decoder.\n     * Also decodes base64 data inplace once the payload exceeds 2^17 bytes.\n     * Returns 1 on error, else 0.\n     */\n    put(data, start, end) {\n        if (!this._inst)\n            return 1;\n        const m = this._m32;\n        if (end - start + m[1280 /* P32.STATE_WP */] > m[1283 /* P32.STATE_ESIZE */])\n            return 1;\n        this._d.set(data.subarray(start, end), m[1280 /* P32.STATE_WP */]);\n        m[1280 /* P32.STATE_WP */] += end - start;\n        // max chunk in input handler is 2^17, try to run in \"tandem mode\"\n        // also assures that we dont run into illegal offsets in the wasm part\n        return m[1280 /* P32.STATE_WP */] - m[1281 /* P32.STATE_SP */] >= 131072 ? this._inst.exports.dec() : 0;\n    }\n    /**\n     * End the current decoding.\n     * Decodes leftover payload and finally checks for the correct amount of\n     * decoded bytes by comparing to the value given to `init`.\n     * Returns 1 on error, else 0.\n     */\n    end() {\n        return this._inst ? this._inst.exports.end() : 1;\n    }\n}\nexports.default = Base64Decoder;\n//# sourceMappingURL=Base64Decoder.wasm.js.map","/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IImageAddonOptions, IOscHandler, IResetHandler, ITerminalExt } from './Types';\nimport { ImageRenderer } from './ImageRenderer';\nimport { ImageStorage, CELL_SIZE_DEFAULT } from './ImageStorage';\nimport Base64Decoder from 'xterm-wasm-parts/lib/base64/Base64Decoder.wasm';\nimport { HeaderParser, IHeaderFields, HeaderState } from './IIPHeaderParser';\nimport { imageType, UNSUPPORTED_TYPE } from './IIPMetrics';\n\n\n// eslint-disable-next-line\ndeclare const Buffer: any;\n\n// limit hold memory in base64 decoder\nconst KEEP_DATA = 4194304;\n\n// default IIP header values\nconst DEFAULT_HEADER: IHeaderFields = {\n  name: 'Unnamed file',\n  size: 0,\n  width: 'auto',\n  height: 'auto',\n  preserveAspectRatio: 1,\n  inline: 0\n};\n\n\nexport class IIPHandler implements IOscHandler, IResetHandler {\n  private _aborted = false;\n  private _hp = new HeaderParser();\n  private _header: IHeaderFields = DEFAULT_HEADER;\n  private _dec = new Base64Decoder(KEEP_DATA);\n  private _metrics = UNSUPPORTED_TYPE;\n\n  constructor(\n    private readonly _opts: IImageAddonOptions,\n    private readonly _renderer: ImageRenderer,\n    private readonly _storage: ImageStorage,\n    private readonly _coreTerminal: ITerminalExt\n  ) {}\n\n  public reset(): void {}\n\n  public start(): void {\n    this._aborted = false;\n    this._header = DEFAULT_HEADER;\n    this._metrics  = UNSUPPORTED_TYPE;\n    this._hp.reset();\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._aborted) return;\n\n    if (this._hp.state === HeaderState.END) {\n      if (this._dec.put(data, start, end)) {\n        this._dec.release();\n        this._aborted = true;\n      }\n    } else {\n      const dataPos = this._hp.parse(data, start, end);\n      if (dataPos === -1) {\n        this._aborted = true;\n        return;\n      }\n      if (dataPos > 0) {\n        this._header = Object.assign({}, DEFAULT_HEADER, this._hp.fields);\n        if (!this._header.inline || !this._header.size || this._header.size > this._opts.iipSizeLimit) {\n          this._aborted = true;\n          return;\n        }\n        this._dec.init(this._header.size);\n        if (this._dec.put(data, dataPos, end)) {\n          this._dec.release();\n          this._aborted = true;\n        }\n      }\n    }\n  }\n\n  public end(success: boolean): boolean | Promise<boolean> {\n    if (this._aborted) return true;\n\n    let w = 0;\n    let h = 0;\n\n    // early exit condition chain\n    let cond: number | boolean = true;\n    if (cond = success) {\n      if (cond = !this._dec.end()) {\n        this._metrics = imageType(this._dec.data8);\n        if (cond = this._metrics.mime !== 'unsupported') {\n          w = this._metrics.width;\n          h = this._metrics.height;\n          if (cond = w && h && w * h < this._opts.pixelLimit) {\n            [w, h] = this._resize(w, h).map(Math.floor);\n            cond = w && h && w * h < this._opts.pixelLimit;\n          }\n        }\n      }\n    }\n    if (!cond) {\n      this._dec.release();\n      return true;\n    }\n\n    const blob = new Blob([this._dec.data8], { type: this._metrics.mime });\n    this._dec.release();\n\n    if (!window.createImageBitmap) {\n      const url = URL.createObjectURL(blob);\n      const img = new Image();\n      return new Promise<boolean>(r => {\n        img.addEventListener('load', () => {\n          URL.revokeObjectURL(url);\n          const canvas = ImageRenderer.createCanvas(window.document, w, h);\n          canvas.getContext('2d')?.drawImage(img, 0, 0, w, h);\n          this._storage.addImage(canvas);\n          r(true);\n        });\n        img.src = url;\n        // sanity measure to avoid terminal blocking from dangling promise\n        // happens from corrupt data (onload never gets fired)\n        setTimeout(() => r(true), 1000);\n      });\n    }\n    return createImageBitmap(blob, { resizeWidth: w, resizeHeight: h })\n      .then(bm => {\n        this._storage.addImage(bm);\n        return true;\n      });\n  }\n\n  private _resize(w: number, h: number): [number, number] {\n    const cw = this._renderer.dimensions?.css.cell.width || CELL_SIZE_DEFAULT.width;\n    const ch = this._renderer.dimensions?.css.cell.height || CELL_SIZE_DEFAULT.height;\n    const width = this._renderer.dimensions?.css.canvas.width || cw * this._coreTerminal.cols;\n    const height = this._renderer.dimensions?.css.canvas.height || ch * this._coreTerminal.rows;\n\n    const rw = this._dim(this._header.width!, width, cw);\n    const rh = this._dim(this._header.height!, height, ch);\n    if (!rw && !rh) {\n      const wf = width / w;         // TODO: should this respect initial cursor offset?\n      const hf = (height - ch) / h; // TODO: fix offset issues from float cell height\n      const f = Math.min(wf, hf);\n      return f < 1 ? [w * f, h * f] : [w, h];\n    }\n    return !rw\n      ? [w * rh / h, rh]\n      : this._header.preserveAspectRatio || !rw || !rh\n        ? [rw, h * rw / w] : [rw, rh];\n  }\n\n  private _dim(s: string, total: number, cdim: number): number {\n    if (s === 'auto') return 0;\n    if (s.endsWith('%')) return parseInt(s.slice(0, -1)) * total / 100;\n    if (s.endsWith('px')) return parseInt(s.slice(0, -2));\n    return parseInt(s) * cdim;\n  }\n}\n","/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n// eslint-disable-next-line\ndeclare const Buffer: any;\n\n\nexport interface IHeaderFields {\n  // base-64 encoded filename. Defaults to \"Unnamed file\".\n  name: string;\n  // File size in bytes. The file transfer will be canceled if this size is exceeded.\n  size: number;\n  /**\n   * Optional width and height to render:\n   * - N: N character cells.\n   * - Npx: N pixels.\n   * - N%: N percent of the session's width or height.\n   * - auto: The image's inherent size will be used to determine an appropriate dimension.\n   */\n  width?: string;\n  height?: string;\n  // Optional, defaults to 1 respecting aspect ratio (width takes precedence).\n  preserveAspectRatio?: number;\n  // Optional, defaults to 0. If set to 1, the file will be displayed inline, else downloaded\n  // (download not supported).\n  inline?: number;\n}\n\nexport const enum HeaderState {\n  START = 0,\n  ABORT = 1,\n  KEY = 2,\n  VALUE = 3,\n  END = 4\n}\n\n// field value decoders\n\n// ASCII bytes to string\nfunction toStr(data: Uint32Array): string {\n  let s = '';\n  for (let i = 0; i < data.length; ++i) {\n    s += String.fromCharCode(data[i]);\n  }\n  return s;\n}\n\n// digits to integer\nfunction toInt(data: Uint32Array): number {\n  let v = 0;\n  for (let i = 0; i < data.length; ++i) {\n    if (data[i] < 48 || data[i] > 57) {\n      throw new Error('illegal char');\n    }\n    v = v * 10 + data[i] - 48;\n  }\n  return v;\n}\n\n// check for correct size entry\nfunction toSize(data: Uint32Array): string {\n  const v = toStr(data);\n  if (!v.match(/^((auto)|(\\d+?((px)|(%)){0,1}))$/)) {\n    throw new Error('illegal size');\n  }\n  return v;\n}\n\n// name is base64 encoded utf-8\nfunction toName(data: Uint32Array): string {\n  if (typeof Buffer !== 'undefined') {\n    return Buffer.from(toStr(data), 'base64').toString();\n  }\n  const bs = atob(toStr(data));\n  const b = new Uint8Array(bs.length);\n  for (let i = 0; i < b.length; ++i) {\n    b[i] = bs.charCodeAt(i);\n  }\n  return new TextDecoder().decode(b);\n}\n\nconst DECODERS: {[key: string]: (v: Uint32Array) => any} = {\n  inline: toInt,\n  size: toInt,\n  name: toName,\n  width: toSize,\n  height: toSize,\n  preserveAspectRatio: toInt\n};\n\n\nconst FILE_MARKER = [70, 105, 108, 101];\nconst MAX_FIELDCHARS = 1024;\n\n\nexport class HeaderParser {\n  public state: HeaderState = HeaderState.START;\n  private _buffer = new Uint32Array(MAX_FIELDCHARS);\n  private _position = 0;\n  private _key = '';\n  public fields: {[key: string]: any} = {};\n\n  public reset(): void {\n    this._buffer.fill(0);\n    this.state = HeaderState.START;\n    this._position = 0;\n    this.fields = {};\n    this._key = '';\n  }\n\n  public parse(data: Uint32Array, start: number, end: number): number {\n    let state = this.state;\n    let pos = this._position;\n    const buffer = this._buffer;\n    if (state === HeaderState.ABORT || state === HeaderState.END) return -1;\n    if (state === HeaderState.START && pos > 6) return -1;\n    for (let i = start; i < end; ++i) {\n      const c = data[i];\n      switch (c) {\n        case 59: // ;\n          if (!this._storeValue(pos)) return this._a();\n          state = HeaderState.KEY;\n          pos = 0;\n          break;\n        case 61: // =\n          if (state === HeaderState.START) {\n            for (let k = 0; k < FILE_MARKER.length; ++k) {\n              if (buffer[k] !== FILE_MARKER[k]) return this._a();\n            }\n            state = HeaderState.KEY;\n            pos = 0;\n          } else if (state === HeaderState.KEY) {\n            if (!this._storeKey(pos)) return this._a();\n            state = HeaderState.VALUE;\n            pos = 0;\n          } else if (state === HeaderState.VALUE) {\n            if (pos >= MAX_FIELDCHARS) return this._a();\n            buffer[pos++] = c;\n          }\n          break;\n        case 58: // :\n          if (state === HeaderState.VALUE) {\n            if (!this._storeValue(pos)) return this._a();\n          }\n          this.state = HeaderState.END;\n          return i + 1;\n        default:\n          if (pos >= MAX_FIELDCHARS) return this._a();\n          buffer[pos++] = c;\n      }\n    }\n    this.state = state;\n    this._position = pos;\n    return -2;\n  }\n\n  private _a(): number {\n    this.state = HeaderState.ABORT;\n    return -1;\n  }\n\n  private _storeKey(pos: number): boolean {\n    const k = toStr(this._buffer.subarray(0, pos));\n    if (k) {\n      this._key = k;\n      this.fields[k] = null;\n      return true;\n    }\n    return false;\n  }\n\n  private _storeValue(pos: number): boolean {\n    if (this._key) {\n      try {\n        const v = this._buffer.slice(0, pos);\n        this.fields[this._key] = DECODERS[this._key] ? DECODERS[this._key](v) : v;\n      } catch (e) {\n        return false;\n      }\n      return true;\n    }\n    return false;\n  }\n}\n","/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n\nexport type ImageType = 'image/png' | 'image/jpeg' | 'image/gif' | 'unsupported' | '';\n\nexport interface IMetrics {\n  mime: ImageType;\n  width: number;\n  height: number;\n}\n\nexport const UNSUPPORTED_TYPE: IMetrics = {\n  mime: 'unsupported',\n  width: 0,\n  height: 0\n};\n\nexport function imageType(d: Uint8Array): IMetrics {\n  if (d.length < 24) {\n    return UNSUPPORTED_TYPE;\n  }\n  const d32 = new Uint32Array(d.buffer, d.byteOffset, 6);\n  // PNG: 89 50 4E 47 0D 0A 1A 0A (8 first bytes == magic number for PNG)\n  // + first chunk must be IHDR\n  if (d32[0] === 0x474E5089 && d32[1] === 0x0A1A0A0D && d32[3] === 0x52444849) {\n    return {\n      mime: 'image/png',\n      width: d[16] << 24 | d[17] << 16 | d[18] << 8 | d[19],\n      height: d[20] << 24 | d[21] << 16 | d[22] << 8 | d[23]\n    };\n  }\n  // JPEG: FF D8 FF E0 xx xx JFIF  or  FF D8 FF E1 xx xx Exif 00 00\n  if ((d32[0] === 0xE0FFD8FF || d32[0] === 0xE1FFD8FF)\n    &&  (\n      (d[6] === 0x4a && d[7] === 0x46 && d[8] === 0x49 && d[9] === 0x46)\n        ||  (d[6] === 0x45 && d[7] === 0x78 && d[8] === 0x69 && d[9] === 0x66)\n    )\n  ) {\n    const [width, height] = jpgSize(d);\n    return { mime: 'image/jpeg', width, height };\n  }\n  // GIF: GIF87a or GIF89a\n  if (d32[0] === 0x38464947 && (d[4] === 0x37 || d[4] === 0x39) && d[5] === 0x61) {\n    return {\n      mime: 'image/gif',\n      width: d[7] << 8 | d[6],\n      height: d[9] << 8 | d[8]\n    };\n  }\n  return UNSUPPORTED_TYPE;\n}\n\nfunction jpgSize(d: Uint8Array): [number, number] {\n  const len = d.length;\n  let i = 4;\n  let blockLength = d[i] << 8 | d[i + 1];\n  while (true) {\n    i += blockLength;\n    if (i >= len) {\n      // exhausted without size info\n      return [0, 0];\n    }\n    if (d[i] !== 0xFF) {\n      return [0, 0];\n    }\n    if (d[i + 1] === 0xC0 || d[i + 1] === 0xC2) {\n      if (i + 8 < len) {\n        return [\n          d[i + 7] << 8 | d[i + 8],\n          d[i + 5] << 8 | d[i + 6]\n        ];\n      }\n      return [0, 0];\n    }\n    i += 2;\n    blockLength = d[i] << 8 | d[i + 1];\n  }\n}\n","/**\n * Copyright (c) 2020 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { toRGBA8888 } from 'sixel/lib/Colors';\nimport { IDisposable } from '@xterm/xterm';\nimport { ICellSize, ITerminalExt, IImageSpec, IRenderDimensions, IRenderService } from './Types';\nimport { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';\n\n\nconst PLACEHOLDER_LENGTH = 4096;\nconst PLACEHOLDER_HEIGHT = 24;\n\n/**\n * ImageRenderer - terminal frontend extension:\n * - provide primitives for canvas, ImageData, Bitmap (static)\n * - add canvas layer to DOM (browser only for now)\n * - draw image tiles onRender\n */\nexport class ImageRenderer extends Disposable implements IDisposable {\n  public canvas: HTMLCanvasElement | undefined;\n  private _ctx: CanvasRenderingContext2D | null | undefined;\n  private _placeholder: HTMLCanvasElement | undefined;\n  private _placeholderBitmap: ImageBitmap | undefined;\n  private _optionsRefresh = this.register(new MutableDisposable());\n  private _oldOpen: ((parent: HTMLElement) => void) | undefined;\n  private _renderService: IRenderService | undefined;\n  private _oldSetRenderer: ((renderer: any) => void) | undefined;\n\n  // drawing primitive - canvas\n  public static createCanvas(localDocument: Document | undefined, width: number, height: number): HTMLCanvasElement {\n    /**\n     * NOTE: We normally dont care, from which document the canvas\n     * gets created, so we can fall back to global document,\n     * if the terminal has no document associated yet.\n     * This way early image loads before calling .open keep working\n     * (still discouraged though, as the metrics will be screwed up).\n     * Only the DOM output canvas should be on the terminal's document,\n     * which gets explicitly checked in `insertLayerToDom`.\n     */\n    const canvas = (localDocument || document).createElement('canvas');\n    canvas.width = width | 0;\n    canvas.height = height | 0;\n    return canvas;\n  }\n\n  // drawing primitive - ImageData with optional buffer\n  public static createImageData(ctx: CanvasRenderingContext2D, width: number, height: number, buffer?: ArrayBuffer): ImageData {\n    if (typeof ImageData !== 'function') {\n      const imgData = ctx.createImageData(width, height);\n      if (buffer) {\n        imgData.data.set(new Uint8ClampedArray(buffer, 0, width * height * 4));\n      }\n      return imgData;\n    }\n    return buffer\n      ? new ImageData(new Uint8ClampedArray(buffer, 0, width * height * 4), width, height)\n      : new ImageData(width, height);\n  }\n\n  // drawing primitive - ImageBitmap\n  public static createImageBitmap(img: ImageBitmapSource): Promise<ImageBitmap | undefined> {\n    if (typeof createImageBitmap !== 'function') {\n      return Promise.resolve(undefined);\n    }\n    return createImageBitmap(img);\n  }\n\n\n  constructor(private _terminal: ITerminalExt) {\n    super();\n    this._oldOpen = this._terminal._core.open;\n    this._terminal._core.open = (parent: HTMLElement): void => {\n      this._oldOpen?.call(this._terminal._core, parent);\n      this._open();\n    };\n    if (this._terminal._core.screenElement) {\n      this._open();\n    }\n    // hack to spot fontSize changes\n    this._optionsRefresh.value = this._terminal._core.optionsService.onOptionChange(option => {\n      if (option === 'fontSize') {\n        this.rescaleCanvas();\n        this._renderService?.refreshRows(0, this._terminal.rows);\n      }\n    });\n    this.register(toDisposable(() => {\n      this.removeLayerFromDom();\n      if (this._terminal._core && this._oldOpen) {\n        this._terminal._core.open = this._oldOpen;\n        this._oldOpen = undefined;\n      }\n      if (this._renderService && this._oldSetRenderer) {\n        this._renderService.setRenderer = this._oldSetRenderer;\n        this._oldSetRenderer = undefined;\n      }\n      this._renderService = undefined;\n      this.canvas = undefined;\n      this._ctx = undefined;\n      this._placeholderBitmap?.close();\n      this._placeholderBitmap = undefined;\n      this._placeholder = undefined;\n    }));\n  }\n\n  /**\n   * Enable the placeholder.\n   */\n  public showPlaceholder(value: boolean): void {\n    if (value) {\n      if (!this._placeholder && this.cellSize.height !== -1) {\n        this._createPlaceHolder(Math.max(this.cellSize.height + 1, PLACEHOLDER_HEIGHT));\n      }\n    } else {\n      this._placeholderBitmap?.close();\n      this._placeholderBitmap = undefined;\n      this._placeholder = undefined;\n    }\n    this._renderService?.refreshRows(0, this._terminal.rows);\n  }\n\n  /**\n   * Dimensions of the terminal.\n   * Forwarded from internal render service.\n   */\n  public get dimensions(): IRenderDimensions | undefined {\n    return this._renderService?.dimensions;\n  }\n\n  /**\n   * Current cell size (float).\n   */\n  public get cellSize(): ICellSize {\n    return {\n      width: this.dimensions?.css.cell.width || -1,\n      height: this.dimensions?.css.cell.height || -1\n    };\n  }\n\n  /**\n   * Clear a region of the image layer canvas.\n   */\n  public clearLines(start: number, end: number): void {\n    this._ctx?.clearRect(\n      0,\n      start * (this.dimensions?.css.cell.height || 0),\n      this.dimensions?.css.canvas.width || 0,\n      (++end - start) * (this.dimensions?.css.cell.height || 0)\n    );\n  }\n\n  /**\n   * Clear whole image canvas.\n   */\n  public clearAll(): void {\n    this._ctx?.clearRect(0, 0, this.canvas?.width || 0, this.canvas?.height || 0);\n  }\n\n  /**\n   * Draw neighboring tiles on the image layer canvas.\n   */\n  public draw(imgSpec: IImageSpec, tileId: number, col: number, row: number, count: number = 1): void {\n    if (!this._ctx) {\n      return;\n    }\n    const { width, height } = this.cellSize;\n\n    // Don't try to draw anything, if we cannot get valid renderer metrics.\n    if (width === -1 || height === -1) {\n      return;\n    }\n\n    this._rescaleImage(imgSpec, width, height);\n    const img = imgSpec.actual!;\n    const cols = Math.ceil(img.width / width);\n\n    const sx = (tileId % cols) * width;\n    const sy = Math.floor(tileId / cols) * height;\n    const dx = col * width;\n    const dy = row * height;\n\n    // safari bug: never access image source out of bounds\n    const finalWidth = count * width + sx > img.width ? img.width - sx : count * width;\n    const finalHeight = sy + height > img.height ? img.height - sy : height;\n\n    // Floor all pixel offsets to get stable tile mapping without any overflows.\n    // Note: For not pixel perfect aligned cells like in the DOM renderer\n    // this will move a tile slightly to the top/left (subpixel range, thus ignore it).\n    // FIX #34: avoid striping on displays with pixelDeviceRatio != 1 by ceiling height and width\n    this._ctx.drawImage(\n      img,\n      Math.floor(sx), Math.floor(sy), Math.ceil(finalWidth), Math.ceil(finalHeight),\n      Math.floor(dx), Math.floor(dy), Math.ceil(finalWidth), Math.ceil(finalHeight)\n    );\n  }\n\n  /**\n   * Extract a single tile from an image.\n   */\n  public extractTile(imgSpec: IImageSpec, tileId: number): HTMLCanvasElement | undefined {\n    const { width, height } = this.cellSize;\n    // Don't try to draw anything, if we cannot get valid renderer metrics.\n    if (width === -1 || height === -1) {\n      return;\n    }\n    this._rescaleImage(imgSpec, width, height);\n    const img = imgSpec.actual!;\n    const cols = Math.ceil(img.width / width);\n    const sx = (tileId % cols) * width;\n    const sy = Math.floor(tileId / cols) * height;\n    const finalWidth = width + sx > img.width ? img.width - sx : width;\n    const finalHeight = sy + height > img.height ? img.height - sy : height;\n\n    const canvas = ImageRenderer.createCanvas(this.document, finalWidth, finalHeight);\n    const ctx = canvas.getContext('2d');\n    if (ctx) {\n      ctx.drawImage(\n        img,\n        Math.floor(sx), Math.floor(sy), Math.floor(finalWidth), Math.floor(finalHeight),\n        0, 0, Math.floor(finalWidth), Math.floor(finalHeight)\n      );\n      return canvas;\n    }\n  }\n\n  /**\n   * Draw a line with placeholder on the image layer canvas.\n   */\n  public drawPlaceholder(col: number, row: number, count: number = 1): void {\n    if (this._ctx) {\n      const { width, height } = this.cellSize;\n\n      // Don't try to draw anything, if we cannot get valid renderer metrics.\n      if (width === -1 || height === -1) {\n        return;\n      }\n\n      if (!this._placeholder) {\n        this._createPlaceHolder(Math.max(height + 1, PLACEHOLDER_HEIGHT));\n      } else if (height >= this._placeholder!.height) {\n        this._createPlaceHolder(height + 1);\n      }\n      if (!this._placeholder) return;\n      this._ctx.drawImage(\n        this._placeholderBitmap || this._placeholder!,\n        col * width,\n        (row * height) % 2 ? 0 : 1,  // needs %2 offset correction\n        width * count,\n        height,\n        col * width,\n        row * height,\n        width * count,\n        height\n      );\n    }\n  }\n\n  /**\n   * Rescale image layer canvas if needed.\n   * Checked once from `ImageStorage.render`.\n   */\n  public rescaleCanvas(): void {\n    if (!this.canvas) {\n      return;\n    }\n    if (this.canvas.width !== this.dimensions!.css.canvas.width || this.canvas.height !== this.dimensions!.css.canvas.height) {\n      this.canvas.width = this.dimensions!.css.canvas.width || 0;\n      this.canvas.height = this.dimensions!.css.canvas.height || 0;\n    }\n  }\n\n  /**\n   * Rescale image in storage if needed.\n   */\n  private _rescaleImage(spec: IImageSpec, currentWidth: number, currentHeight: number): void {\n    if (currentWidth === spec.actualCellSize.width && currentHeight === spec.actualCellSize.height) {\n      return;\n    }\n    const { width: originalWidth, height: originalHeight } = spec.origCellSize;\n    if (currentWidth === originalWidth && currentHeight === originalHeight) {\n      spec.actual = spec.orig;\n      spec.actualCellSize.width = originalWidth;\n      spec.actualCellSize.height = originalHeight;\n      return;\n    }\n    const canvas = ImageRenderer.createCanvas(\n      this.document,\n      Math.ceil(spec.orig!.width * currentWidth / originalWidth),\n      Math.ceil(spec.orig!.height * currentHeight / originalHeight)\n    );\n    const ctx = canvas.getContext('2d');\n    if (ctx) {\n      ctx.drawImage(spec.orig!, 0, 0, canvas.width, canvas.height);\n      spec.actual = canvas;\n      spec.actualCellSize.width = currentWidth;\n      spec.actualCellSize.height = currentHeight;\n    }\n  }\n\n  /**\n   * Lazy init for the renderer.\n   */\n  private _open(): void {\n    this._renderService = this._terminal._core._renderService;\n    this._oldSetRenderer = this._renderService.setRenderer.bind(this._renderService);\n    this._renderService.setRenderer = (renderer: any) => {\n      this.removeLayerFromDom();\n      this._oldSetRenderer?.call(this._renderService, renderer);\n    };\n  }\n\n  public insertLayerToDom(): void {\n    // make sure that the terminal is attached to a document and to DOM\n    if (this.document && this._terminal._core.screenElement) {\n      if (!this.canvas) {\n        this.canvas = ImageRenderer.createCanvas(\n          this.document, this.dimensions?.css.canvas.width || 0,\n          this.dimensions?.css.canvas.height || 0\n        );\n        this.canvas.classList.add('xterm-image-layer');\n        this._terminal._core.screenElement.appendChild(this.canvas);\n        this._ctx = this.canvas.getContext('2d', { alpha: true, desynchronized: true });\n        this.clearAll();\n      }\n    } else {\n      console.warn('image addon: cannot insert output canvas to DOM, missing document or screenElement');\n    }\n  }\n\n  public removeLayerFromDom(): void {\n    if (this.canvas) {\n      this._ctx = undefined;\n      this.canvas.remove();\n      this.canvas = undefined;\n    }\n  }\n\n  private _createPlaceHolder(height: number = PLACEHOLDER_HEIGHT): void {\n    this._placeholderBitmap?.close();\n    this._placeholderBitmap = undefined;\n\n    // create blueprint to fill placeholder with\n    const bWidth = 32;  // must be 2^n\n    const blueprint = ImageRenderer.createCanvas(this.document, bWidth, height);\n    const ctx = blueprint.getContext('2d', { alpha: false });\n    if (!ctx) return;\n    const imgData = ImageRenderer.createImageData(ctx, bWidth, height);\n    const d32 = new Uint32Array(imgData.data.buffer);\n    const black = toRGBA8888(0, 0, 0);\n    const white = toRGBA8888(255, 255, 255);\n    d32.fill(black);\n    for (let y = 0; y < height; ++y) {\n      const shift = y % 2;\n      const offset = y * bWidth;\n      for (let x = 0; x < bWidth; x += 2) {\n        d32[offset + x + shift] = white;\n      }\n    }\n    ctx.putImageData(imgData, 0, 0);\n\n    // create placeholder line, width aligned to blueprint width\n    const width = (screen.width + bWidth - 1) & ~(bWidth - 1) || PLACEHOLDER_LENGTH;\n    this._placeholder = ImageRenderer.createCanvas(this.document, width, height);\n    const ctx2 = this._placeholder.getContext('2d', { alpha: false });\n    if (!ctx2) {\n      this._placeholder = undefined;\n      return;\n    }\n    for (let i = 0; i < width; i += bWidth) {\n      ctx2.drawImage(blueprint, i, 0);\n    }\n    ImageRenderer.createImageBitmap(this._placeholder).then(bitmap => this._placeholderBitmap = bitmap);\n  }\n\n  public get document(): Document | undefined {\n    return this._terminal._core._coreBrowserService?.window.document;\n  }\n}\n","/**\n * Copyright (c) 2020 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from '@xterm/xterm';\nimport { ImageRenderer } from './ImageRenderer';\nimport { ITerminalExt, IExtendedAttrsImage, IImageAddonOptions, IImageSpec, IBufferLineExt, BgFlags, Cell, Content, ICellSize, ExtFlags, Attributes, UnderlineStyle } from './Types';\n\n\n// fallback default cell size\nexport const CELL_SIZE_DEFAULT: ICellSize = {\n  width: 7,\n  height: 14\n};\n\n/**\n * Extend extended attribute to also hold image tile information.\n *\n * Object definition is copied from base repo to fully mimick its behavior.\n * Image data is added as additional public properties `imageId` and `tileId`.\n */\nclass ExtendedAttrsImage implements IExtendedAttrsImage {\n  private _ext: number = 0;\n  public get ext(): number {\n    if (this._urlId) {\n      return (\n        (this._ext & ~ExtFlags.UNDERLINE_STYLE) |\n        (this.underlineStyle << 26)\n      );\n    }\n    return this._ext;\n  }\n  public set ext(value: number) { this._ext = value; }\n\n  public get underlineStyle(): UnderlineStyle {\n    // Always return the URL style if it has one\n    if (this._urlId) {\n      return UnderlineStyle.DASHED;\n    }\n    return (this._ext & ExtFlags.UNDERLINE_STYLE) >> 26;\n  }\n  public set underlineStyle(value: UnderlineStyle) {\n    this._ext &= ~ExtFlags.UNDERLINE_STYLE;\n    this._ext |= (value << 26) & ExtFlags.UNDERLINE_STYLE;\n  }\n\n  public get underlineColor(): number {\n    return this._ext & (Attributes.CM_MASK | Attributes.RGB_MASK);\n  }\n  public set underlineColor(value: number) {\n    this._ext &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n    this._ext |= value & (Attributes.CM_MASK | Attributes.RGB_MASK);\n  }\n\n  public get underlineVariantOffset(): number {\n    const val = (this._ext & ExtFlags.VARIANT_OFFSET) >> 29;\n    if (val < 0) {\n      return val ^ 0xFFFFFFF8;\n    }\n    return val;\n  }\n  public set underlineVariantOffset(value: number) {\n    this._ext &= ~ExtFlags.VARIANT_OFFSET;\n    this._ext |= (value << 29) & ExtFlags.VARIANT_OFFSET;\n  }\n\n  private _urlId: number = 0;\n  public get urlId(): number {\n    return this._urlId;\n  }\n  public set urlId(value: number) {\n    this._urlId = value;\n  }\n\n  constructor(\n    ext: number = 0,\n    urlId: number = 0,\n    public imageId = -1,\n    public tileId = -1\n  ) {\n    this._ext = ext;\n    this._urlId = urlId;\n  }\n\n  public clone(): IExtendedAttrsImage {\n    /**\n     * Technically we dont need a clone variant of ExtendedAttrsImage,\n     * as we never clone a cell holding image data.\n     * Note: Clone is only meant to be used by the InputHandler for\n     * sticky attributes, which is never the case for image data.\n     * We still provide a proper clone method to reflect the full ext attr\n     * state in case there are future use cases for clone.\n     */\n    return new ExtendedAttrsImage(this._ext, this._urlId, this.imageId, this.tileId);\n  }\n\n  public isEmpty(): boolean {\n    return this.underlineStyle === UnderlineStyle.NONE && this._urlId === 0 && this.imageId === -1;\n  }\n}\nconst EMPTY_ATTRS = new ExtendedAttrsImage();\n\n\n/**\n * ImageStorage - extension of CoreTerminal:\n * - hold image data\n * - write/read image data to/from buffer\n *\n * TODO: image composition for overwrites\n */\nexport class ImageStorage implements IDisposable {\n  // storage\n  private _images: Map<number, IImageSpec> = new Map();\n  // last used id\n  private _lastId = 0;\n  // last evicted id\n  private _lowestId = 0;\n  // whether a full clear happened before\n  private _fullyCleared = false;\n  // whether render should do a full clear\n  private _needsFullClear = false;\n  // hard limit of stored pixels (fallback limit of 10 MB)\n  private _pixelLimit: number = 2500000;\n\n  private _viewportMetrics: { cols: number, rows: number };\n\n  constructor(\n    private _terminal: ITerminalExt,\n    private _renderer: ImageRenderer,\n    private _opts: IImageAddonOptions\n  ) {\n    try {\n      this.setLimit(this._opts.storageLimit);\n    } catch (e: any) {\n      console.error(e.message);\n      console.warn(`storageLimit is set to ${this.getLimit()} MB`);\n    }\n    this._viewportMetrics = {\n      cols: this._terminal.cols,\n      rows: this._terminal.rows\n    };\n  }\n\n  public dispose(): void {\n    this.reset();\n  }\n\n  public reset(): void {\n    for (const spec of this._images.values()) {\n      spec.marker?.dispose();\n    }\n    // NOTE: marker.dispose above already calls ImageBitmap.close\n    // therefore we can just wipe the map here\n    this._images.clear();\n    this._renderer.clearAll();\n  }\n\n  public getLimit(): number {\n    return this._pixelLimit * 4 / 1000000;\n  }\n\n  public setLimit(value: number): void {\n    if (value < 0.5 || value > 1000) {\n      throw RangeError('invalid storageLimit, should be at least 0.5 MB and not exceed 1G');\n    }\n    this._pixelLimit = (value / 4 * 1000000) >>> 0;\n    this._evictOldest(0);\n  }\n\n  public getUsage(): number {\n    return this._getStoredPixels() * 4 / 1000000;\n  }\n\n  private _getStoredPixels(): number {\n    let storedPixels = 0;\n    for (const spec of this._images.values()) {\n      if (spec.orig) {\n        storedPixels += spec.orig.width * spec.orig.height;\n        if (spec.actual && spec.actual !== spec.orig) {\n          storedPixels += spec.actual.width * spec.actual.height;\n        }\n      }\n    }\n    return storedPixels;\n  }\n\n  private _delImg(id: number): void {\n    const spec = this._images.get(id);\n    this._images.delete(id);\n    // FIXME: really ugly workaround to get bitmaps deallocated :(\n    if (spec && window.ImageBitmap && spec.orig instanceof ImageBitmap) {\n      spec.orig.close();\n    }\n  }\n\n  /**\n   * Wipe canvas and images on alternate buffer.\n   */\n  public wipeAlternate(): void {\n    // remove all alternate tagged images\n    const zero = [];\n    for (const [id, spec] of this._images.entries()) {\n      if (spec.bufferType === 'alternate') {\n        spec.marker?.dispose();\n        zero.push(id);\n      }\n    }\n    for (const id of zero) {\n      this._delImg(id);\n    }\n    // mark canvas to be wiped on next render\n    this._needsFullClear = true;\n    this._fullyCleared = false;\n  }\n\n  /**\n   * Only advance text cursor.\n   * This is an edge case from empty sixels carrying only a height but no pixels.\n   * Partially fixes https://github.com/jerch/xterm-addon-image/issues/37.\n   */\n  public advanceCursor(height: number): void {\n    if (this._opts.sixelScrolling) {\n      let cellSize = this._renderer.cellSize;\n      if (cellSize.width === -1 || cellSize.height === -1) {\n        cellSize = CELL_SIZE_DEFAULT;\n      }\n      const rows = Math.ceil(height / cellSize.height);\n      for (let i = 1; i < rows; ++i) {\n        this._terminal._core._inputHandler.lineFeed();\n      }\n    }\n  }\n\n  /**\n   * Method to add an image to the storage.\n   */\n  public addImage(img: HTMLCanvasElement | ImageBitmap): void {\n    // never allow storage to exceed memory limit\n    this._evictOldest(img.width * img.height);\n\n    // calc rows x cols needed to display the image\n    let cellSize = this._renderer.cellSize;\n    if (cellSize.width === -1 || cellSize.height === -1) {\n      cellSize = CELL_SIZE_DEFAULT;\n    }\n    const cols = Math.ceil(img.width / cellSize.width);\n    const rows = Math.ceil(img.height / cellSize.height);\n\n    const imageId = ++this._lastId;\n\n    const buffer = this._terminal._core.buffer;\n    const termCols = this._terminal.cols;\n    const termRows = this._terminal.rows;\n    const originX = buffer.x;\n    const originY = buffer.y;\n    let offset = originX;\n    let tileCount = 0;\n\n    if (!this._opts.sixelScrolling) {\n      buffer.x = 0;\n      buffer.y = 0;\n      offset = 0;\n    }\n\n    this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);\n    for (let row = 0; row < rows; ++row) {\n      const line = buffer.lines.get(buffer.y + buffer.ybase);\n      for (let col = 0; col < cols; ++col) {\n        if (offset + col >= termCols) break;\n        this._writeToCell(line as IBufferLineExt, offset + col, imageId, row * cols + col);\n        tileCount++;\n      }\n      if (this._opts.sixelScrolling) {\n        if (row < rows - 1) this._terminal._core._inputHandler.lineFeed();\n      } else {\n        if (++buffer.y >= termRows) break;\n      }\n      buffer.x = offset;\n    }\n    this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);\n\n    // cursor positioning modes\n    if (this._opts.sixelScrolling) {\n      buffer.x = offset;\n    } else {\n      buffer.x = originX;\n      buffer.y = originY;\n    }\n\n    // deleted images with zero tile count\n    const zero = [];\n    for (const [id, spec] of this._images.entries()) {\n      if (spec.tileCount < 1) {\n        spec.marker?.dispose();\n        zero.push(id);\n      }\n    }\n    for (const id of zero) {\n      this._delImg(id);\n    }\n\n    // eviction marker:\n    // delete the image when the marker gets disposed\n    const endMarker = this._terminal.registerMarker(0);\n    endMarker?.onDispose(() => {\n      const spec = this._images.get(imageId);\n      if (spec) {\n        this._delImg(imageId);\n      }\n    });\n\n    // since markers do not work on alternate for some reason,\n    // we evict images here manually\n    if (this._terminal.buffer.active.type === 'alternate') {\n      this._evictOnAlternate();\n    }\n\n    // create storage entry\n    const imgSpec: IImageSpec = {\n      orig: img,\n      origCellSize: cellSize,\n      actual: img,\n      actualCellSize: { ...cellSize },  // clone needed, since later modified\n      marker: endMarker || undefined,\n      tileCount,\n      bufferType: this._terminal.buffer.active.type\n    };\n\n    // finally add the image\n    this._images.set(imageId, imgSpec);\n  }\n\n\n  /**\n   * Render method. Collects buffer information and triggers\n   * canvas updates.\n   */\n  // TODO: Should we move this to the ImageRenderer?\n  public render(range: { start: number, end: number }): void {\n    // setup image canvas in case we have none yet, but have images in store\n    if (!this._renderer.canvas && this._images.size) {\n      this._renderer.insertLayerToDom();\n      // safety measure - in case we cannot spawn a canvas at all, just exit\n      if (!this._renderer.canvas) {\n        return;\n      }\n    }\n    // rescale if needed\n    this._renderer.rescaleCanvas();\n    // exit early if we dont have any images to test for\n    if (!this._images.size) {\n      if (!this._fullyCleared) {\n        this._renderer.clearAll();\n        this._fullyCleared = true;\n        this._needsFullClear = false;\n      }\n      if (this._renderer.canvas) {\n        this._renderer.removeLayerFromDom();\n      }\n      return;\n    }\n\n    // buffer switches force a full clear\n    if (this._needsFullClear) {\n      this._renderer.clearAll();\n      this._fullyCleared = true;\n      this._needsFullClear = false;\n    }\n\n    const { start, end } = range;\n    const buffer = this._terminal._core.buffer;\n    const cols = this._terminal._core.cols;\n\n    // clear drawing area\n    this._renderer.clearLines(start, end);\n\n    // walk all cells in viewport and draw tiles found\n    for (let row = start; row <= end; ++row) {\n      const line = buffer.lines.get(row + buffer.ydisp) as IBufferLineExt;\n      if (!line) return;\n      for (let col = 0; col < cols; ++col) {\n        if (line.getBg(col) & BgFlags.HAS_EXTENDED) {\n          let e: IExtendedAttrsImage = line._extendedAttrs[col] || EMPTY_ATTRS;\n          const imageId = e.imageId;\n          if (imageId === undefined || imageId === -1) {\n            continue;\n          }\n          const imgSpec = this._images.get(imageId);\n          if (e.tileId !== -1) {\n            const startTile = e.tileId;\n            const startCol = col;\n            let count = 1;\n            /**\n             * merge tiles to the right into a single draw call, if:\n             * - not at end of line\n             * - cell has same image id\n             * - cell has consecutive tile id\n             */\n            while (\n              ++col < cols\n              && (line.getBg(col) & BgFlags.HAS_EXTENDED)\n              && (e = line._extendedAttrs[col] || EMPTY_ATTRS)\n              && (e.imageId === imageId)\n              && (e.tileId === startTile + count)\n            ) {\n              count++;\n            }\n            col--;\n            if (imgSpec) {\n              if (imgSpec.actual) {\n                this._renderer.draw(imgSpec, startTile, startCol, row, count);\n              }\n            } else if (this._opts.showPlaceholder) {\n              this._renderer.drawPlaceholder(startCol, row, count);\n            }\n            this._fullyCleared = false;\n          }\n        }\n      }\n    }\n  }\n\n  public viewportResize(metrics: { cols: number, rows: number }): void {\n    // exit early if we have nothing in storage\n    if (!this._images.size) {\n      this._viewportMetrics = metrics;\n      return;\n    }\n\n    // handle only viewport width enlargements, exit all other cases\n    // TODO: needs patch for tile counter\n    if (this._viewportMetrics.cols >= metrics.cols) {\n      this._viewportMetrics = metrics;\n      return;\n    }\n\n    // walk scrollbuffer at old col width to find all possible expansion matches\n    const buffer = this._terminal._core.buffer;\n    const rows = buffer.lines.length;\n    const oldCol = this._viewportMetrics.cols - 1;\n    for (let row = 0; row < rows; ++row) {\n      const line = buffer.lines.get(row) as IBufferLineExt;\n      if (line.getBg(oldCol) & BgFlags.HAS_EXTENDED) {\n        const e: IExtendedAttrsImage = line._extendedAttrs[oldCol] || EMPTY_ATTRS;\n        const imageId = e.imageId;\n        if (imageId === undefined || imageId === -1) {\n          continue;\n        }\n        const imgSpec = this._images.get(imageId);\n        if (!imgSpec) {\n          continue;\n        }\n        // found an image tile at oldCol, check if it qualifies for right exapansion\n        const tilesPerRow = Math.ceil((imgSpec.actual?.width || 0) / imgSpec.actualCellSize.width);\n        if ((e.tileId % tilesPerRow) + 1 >= tilesPerRow) {\n          continue;\n        }\n        // expand only if right side is empty (nothing got wrapped from below)\n        let hasData = false;\n        for (let rightCol = oldCol + 1; rightCol > metrics.cols; ++rightCol) {\n          if (line._data[rightCol * Cell.SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK) {\n            hasData = true;\n            break;\n          }\n        }\n        if (hasData) {\n          continue;\n        }\n        // do right expansion on terminal buffer\n        const end = Math.min(metrics.cols, tilesPerRow - (e.tileId % tilesPerRow) + oldCol);\n        let lastTile = e.tileId;\n        for (let expandCol = oldCol + 1; expandCol < end; ++expandCol) {\n          this._writeToCell(line as IBufferLineExt, expandCol, imageId, ++lastTile);\n          imgSpec.tileCount++;\n        }\n      }\n    }\n    // store new viewport metrics\n    this._viewportMetrics = metrics;\n  }\n\n  /**\n   * Retrieve original canvas at buffer position.\n   */\n  public getImageAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {\n    const buffer = this._terminal._core.buffer;\n    const line = buffer.lines.get(y) as IBufferLineExt;\n    if (line && line.getBg(x) & BgFlags.HAS_EXTENDED) {\n      const e: IExtendedAttrsImage = line._extendedAttrs[x] || EMPTY_ATTRS;\n      if (e.imageId && e.imageId !== -1) {\n        const orig = this._images.get(e.imageId)?.orig;\n        if (window.ImageBitmap && orig instanceof ImageBitmap) {\n          const canvas = ImageRenderer.createCanvas(window.document, orig.width, orig.height);\n          canvas.getContext('2d')?.drawImage(orig, 0, 0, orig.width, orig.height);\n          return canvas;\n        }\n        return orig as HTMLCanvasElement;\n      }\n    }\n  }\n\n  /**\n   * Extract active single tile at buffer position.\n   */\n  public extractTileAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {\n    const buffer = this._terminal._core.buffer;\n    const line = buffer.lines.get(y) as IBufferLineExt;\n    if (line && line.getBg(x) & BgFlags.HAS_EXTENDED) {\n      const e: IExtendedAttrsImage = line._extendedAttrs[x] || EMPTY_ATTRS;\n      if (e.imageId && e.imageId !== -1 && e.tileId !== -1) {\n        const spec = this._images.get(e.imageId);\n        if (spec) {\n          return this._renderer.extractTile(spec, e.tileId);\n        }\n      }\n    }\n  }\n\n  // TODO: Do we need some blob offloading tricks here to avoid early eviction?\n  // also see https://stackoverflow.com/questions/28307789/is-there-any-limitation-on-javascript-max-blob-size\n  private _evictOldest(room: number): number {\n    const used = this._getStoredPixels();\n    let current = used;\n    while (this._pixelLimit < current + room && this._images.size) {\n      const spec = this._images.get(++this._lowestId);\n      if (spec && spec.orig) {\n        current -= spec.orig.width * spec.orig.height;\n        if (spec.actual && spec.orig !== spec.actual) {\n          current -= spec.actual.width * spec.actual.height;\n        }\n        spec.marker?.dispose();\n        this._delImg(this._lowestId);\n      }\n    }\n    return used - current;\n  }\n\n  private _writeToCell(line: IBufferLineExt, x: number, imageId: number, tileId: number): void {\n    if (line._data[x * Cell.SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {\n      const old = line._extendedAttrs[x];\n      if (old) {\n        if (old.imageId !== undefined) {\n          // found an old ExtendedAttrsImage, since we know that\n          // they are always isolated instances (single cell usage),\n          // we can re-use it and just update their id entries\n          const oldSpec = this._images.get(old.imageId);\n          if (oldSpec) {\n            // early eviction for in-viewport overwrites\n            oldSpec.tileCount--;\n          }\n          old.imageId = imageId;\n          old.tileId = tileId;\n          return;\n        }\n        // found a plain ExtendedAttrs instance, clone it to new entry\n        line._extendedAttrs[x] = new ExtendedAttrsImage(old.ext, old.urlId, imageId, tileId);\n        return;\n      }\n    }\n    // fall-through: always create new ExtendedAttrsImage entry\n    line._data[x * Cell.SIZE + Cell.BG] |= BgFlags.HAS_EXTENDED;\n    line._extendedAttrs[x] = new ExtendedAttrsImage(0, 0, imageId, tileId);\n  }\n\n  private _evictOnAlternate(): void {\n    // nullify tile count of all images on alternate buffer\n    for (const spec of this._images.values()) {\n      if (spec.bufferType === 'alternate') {\n        spec.tileCount = 0;\n      }\n    }\n    // re-count tiles on whole buffer\n    const buffer = this._terminal._core.buffer;\n    for (let y = 0; y < this._terminal.rows; ++y) {\n      const line = buffer.lines.get(y) as IBufferLineExt;\n      if (!line) {\n        continue;\n      }\n      for (let x = 0; x < this._terminal.cols; ++x) {\n        if (line._data[x * Cell.SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {\n          const imgId = line._extendedAttrs[x]?.imageId;\n          if (imgId) {\n            const spec = this._images.get(imgId);\n            if (spec) {\n              spec.tileCount++;\n            }\n          }\n        }\n      }\n    }\n    // deleted images with zero tile count\n    const zero = [];\n    for (const [id, spec] of this._images.entries()) {\n      if (spec.bufferType === 'alternate' && !spec.tileCount) {\n        spec.marker?.dispose();\n        zero.push(id);\n      }\n    }\n    for (const id of zero) {\n      this._delImg(id);\n    }\n  }\n}\n","/**\n * Copyright (c) 2020, 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ImageStorage } from './ImageStorage';\nimport { IDcsHandler, IParams, IImageAddonOptions, ITerminalExt, AttributeData, IResetHandler, ReadonlyColorSet } from './Types';\nimport { toRGBA8888, BIG_ENDIAN, PALETTE_ANSI_256, PALETTE_VT340_COLOR } from 'sixel/lib/Colors';\nimport { RGBA8888 } from 'sixel/lib/Types';\nimport { ImageRenderer } from './ImageRenderer';\n\nimport { DecoderAsync, Decoder } from 'sixel/lib/Decoder';\n\n// always free decoder ressources after decoding if it exceeds this limit\nconst MEM_PERMA_LIMIT = 4194304; // 1024 pixels * 1024 pixels * 4 channels = 4MB\n\n// custom default palette: VT340 (lower 16 colors) + ANSI256 (up to 256) + zeroed (up to 4096)\nconst DEFAULT_PALETTE = PALETTE_ANSI_256;\nDEFAULT_PALETTE.set(PALETTE_VT340_COLOR);\n\n\nexport class SixelHandler implements IDcsHandler, IResetHandler {\n  private _size = 0;\n  private _aborted = false;\n  private _dec: Decoder | undefined;\n\n  constructor(\n    private readonly _opts: IImageAddonOptions,\n    private readonly _storage: ImageStorage,\n    private readonly _coreTerminal: ITerminalExt\n  ) {\n    DecoderAsync({\n      memoryLimit: this._opts.pixelLimit * 4,\n      palette: DEFAULT_PALETTE,\n      paletteLimit: this._opts.sixelPaletteLimit\n    }).then(d => this._dec = d);\n  }\n\n  public reset(): void {\n    /**\n     * reset sixel decoder to defaults:\n     * - release all memory\n     * - nullify palette (4096)\n     * - apply default palette (256)\n     */\n    if (this._dec) {\n      this._dec.release();\n      // FIXME: missing interface on decoder to nullify full palette\n      (this._dec as any)._palette.fill(0);\n      this._dec.init(0, DEFAULT_PALETTE, this._opts.sixelPaletteLimit);\n    }\n  }\n\n  public hook(params: IParams): void {\n    this._size = 0;\n    this._aborted = false;\n    if (this._dec) {\n      const fillColor = params.params[1] === 1 ? 0 : extractActiveBg(\n        this._coreTerminal._core._inputHandler._curAttrData,\n        this._coreTerminal._core._themeService?.colors);\n      this._dec.init(fillColor, null, this._opts.sixelPaletteLimit);\n    }\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._aborted || !this._dec) {\n      return;\n    }\n    this._size += end - start;\n    if (this._size > this._opts.sixelSizeLimit) {\n      console.warn(`SIXEL: too much data, aborting`);\n      this._aborted = true;\n      this._dec.release();\n      return;\n    }\n    try {\n      this._dec.decode(data, start, end);\n    } catch (e) {\n      console.warn(`SIXEL: error while decoding image - ${e}`);\n      this._aborted = true;\n      this._dec.release();\n    }\n  }\n\n  public unhook(success: boolean): boolean | Promise<boolean> {\n    if (this._aborted || !success || !this._dec) {\n      return true;\n    }\n\n    const width = this._dec.width;\n    const height = this._dec.height;\n\n    // partial fix for https://github.com/jerch/xterm-addon-image/issues/37\n    if (!width || ! height) {\n      if (height) {\n        this._storage.advanceCursor(height);\n      }\n      return true;\n    }\n\n    const canvas = ImageRenderer.createCanvas(undefined, width, height);\n    canvas.getContext('2d')?.putImageData(new ImageData(this._dec.data8, width, height), 0, 0);\n    if (this._dec.memoryUsage > MEM_PERMA_LIMIT) {\n      this._dec.release();\n    }\n    this._storage.addImage(canvas);\n    return true;\n  }\n}\n\n\n/**\n * Some helpers to extract current terminal colors.\n */\n\n// get currently active background color from terminal\n// also respect INVERSE setting\nfunction extractActiveBg(attr: AttributeData, colors: ReadonlyColorSet | undefined): RGBA8888 {\n  let bg = 0;\n  if (!colors) {\n    // FIXME: theme service is prolly not available yet,\n    // happens if .open() was not called yet (bug in core?)\n    return bg;\n  }\n  if (attr.isInverse()) {\n    if (attr.isFgDefault()) {\n      bg = convertLe(colors.foreground.rgba);\n    } else if (attr.isFgRGB()) {\n      const t = (attr.constructor as typeof AttributeData).toColorRGB(attr.getFgColor());\n      bg = toRGBA8888(...t);\n    } else {\n      bg = convertLe(colors.ansi[attr.getFgColor()].rgba);\n    }\n  } else {\n    if (attr.isBgDefault()) {\n      bg = convertLe(colors.background.rgba);\n    } else if (attr.isBgRGB()) {\n      const t = (attr.constructor as typeof AttributeData).toColorRGB(attr.getBgColor());\n      bg = toRGBA8888(...t);\n    } else {\n      bg = convertLe(colors.ansi[attr.getBgColor()].rgba);\n    }\n  }\n  return bg;\n}\n\n// rgba values on the color managers are always in BE, thus convert to LE\nfunction convertLe(color: number): RGBA8888 {\n  if (BIG_ENDIAN) return color;\n  return (color & 0xFF) << 24 | (color >>> 8 & 0xFF) << 16 | (color >>> 16 & 0xFF) << 8 | color >>> 24 & 0xFF;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n  protected _disposables: IDisposable[] = [];\n  protected _isDisposed: boolean = false;\n\n  /**\n   * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n   */\n  public dispose(): void {\n    this._isDisposed = true;\n    for (const d of this._disposables) {\n      d.dispose();\n    }\n    this._disposables.length = 0;\n  }\n\n  /**\n   * Registers a disposable object.\n   * @param d The disposable to register.\n   * @returns The disposable.\n   */\n  public register<T extends IDisposable>(d: T): T {\n    this._disposables.push(d);\n    return d;\n  }\n\n  /**\n   * Unregisters a disposable object if it has been registered, if not do\n   * nothing.\n   * @param d The disposable to unregister.\n   */\n  public unregister<T extends IDisposable>(d: T): void {\n    const index = this._disposables.indexOf(d);\n    if (index !== -1) {\n      this._disposables.splice(index, 1);\n    }\n  }\n}\n\nexport class MutableDisposable<T extends IDisposable> implements IDisposable {\n  private _value?: T;\n  private _isDisposed = false;\n\n  /**\n   * Gets the value if it exists.\n   */\n  public get value(): T | undefined {\n    return this._isDisposed ? undefined : this._value;\n  }\n\n  /**\n   * Sets the value, disposing of the old value if it exists.\n   */\n  public set value(value: T | undefined) {\n    if (this._isDisposed || value === this._value) {\n      return;\n    }\n    this._value?.dispose();\n    this._value = value;\n  }\n\n  /**\n   * Resets the stored value and disposes of the previously stored value.\n   */\n  public clear(): void {\n    this.value = undefined;\n  }\n\n  public dispose(): void {\n    this._isDisposed = true;\n    this._value?.dispose();\n    this._value = undefined;\n  }\n}\n\n/**\n * Wrap a function in a disposable.\n */\nexport function toDisposable(f: () => void): IDisposable {\n  return { dispose: f };\n}\n\n/**\n * Dispose of all disposables in an array and set its length to 0.\n */\nexport function disposeArray(disposables: IDisposable[]): void {\n  for (const d of disposables) {\n    d.dispose();\n  }\n  disposables.length = 0;\n}\n\n/**\n * Creates a disposable that will dispose of an array of disposables when disposed.\n */\nexport function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {\n  return { dispose: () => disposeArray(array) };\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2020 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport type { ITerminalAddon, IDisposable } from '@xterm/xterm';\nimport type { ImageAddon as IImageApi } from '@xterm/addon-image';\nimport { IIPHandler } from './IIPHandler';\nimport { ImageRenderer } from './ImageRenderer';\nimport { ImageStorage, CELL_SIZE_DEFAULT } from './ImageStorage';\nimport { SixelHandler } from './SixelHandler';\nimport { ITerminalExt, IImageAddonOptions, IResetHandler } from './Types';\n\n// default values of addon ctor options\nconst DEFAULT_OPTIONS: IImageAddonOptions = {\n  enableSizeReports: true,\n  pixelLimit: 16777216, // limit to 4096 * 4096 pixels\n  sixelSupport: true,\n  sixelScrolling: true,\n  sixelPaletteLimit: 256,\n  sixelSizeLimit: 25000000,\n  storageLimit: 128,\n  showPlaceholder: true,\n  iipSupport: true,\n  iipSizeLimit: 20000000\n};\n\n// max palette size supported by the sixel lib (compile time setting)\nconst MAX_SIXEL_PALETTE_SIZE = 4096;\n\n// definitions for _xtermGraphicsAttributes sequence\nconst enum GaItem {\n  COLORS = 1,\n  SIXEL_GEO = 2,\n  REGIS_GEO = 3\n}\nconst enum GaAction {\n  READ = 1,\n  SET_DEFAULT = 2,\n  SET = 3,\n  READ_MAX = 4\n}\nconst enum GaStatus {\n  SUCCESS = 0,\n  ITEM_ERROR = 1,\n  ACTION_ERROR = 2,\n  FAILURE = 3\n}\n\n\nexport class ImageAddon implements ITerminalAddon , IImageApi {\n  private _opts: IImageAddonOptions;\n  private _defaultOpts: IImageAddonOptions;\n  private _storage: ImageStorage | undefined;\n  private _renderer: ImageRenderer | undefined;\n  private _disposables: IDisposable[] = [];\n  private _terminal: ITerminalExt | undefined;\n  private _handlers: Map<String, IResetHandler> = new Map();\n\n  constructor(opts?: Partial<IImageAddonOptions>) {\n    this._opts = Object.assign({}, DEFAULT_OPTIONS, opts);\n    this._defaultOpts = Object.assign({}, DEFAULT_OPTIONS, opts);\n  }\n\n  public dispose(): void {\n    for (const obj of this._disposables) {\n      obj.dispose();\n    }\n    this._disposables.length = 0;\n    this._handlers.clear();\n  }\n\n  private _disposeLater(...args: IDisposable[]): void {\n    for (const obj of args) {\n      this._disposables.push(obj);\n    }\n  }\n\n  public activate(terminal: ITerminalExt): void {\n    this._terminal = terminal;\n\n    // internal data structures\n    this._renderer = new ImageRenderer(terminal);\n    this._storage = new ImageStorage(terminal, this._renderer, this._opts);\n\n    // enable size reports\n    if (this._opts.enableSizeReports) {\n      // const windowOptions = terminal.getOption('windowOptions');\n      // windowOptions.getWinSizePixels = true;\n      // windowOptions.getCellSizePixels = true;\n      // windowOptions.getWinSizeChars = true;\n      // terminal.setOption('windowOptions', windowOptions);\n      const windowOps = terminal.options.windowOptions || {};\n      windowOps.getWinSizePixels = true;\n      windowOps.getCellSizePixels = true;\n      windowOps.getWinSizeChars = true;\n      terminal.options.windowOptions = windowOps;\n    }\n\n    this._disposeLater(\n      this._renderer,\n      this._storage,\n\n      // DECSET/DECRST/DA1/XTSMGRAPHICS handlers\n      terminal.parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this._decset(params)),\n      terminal.parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this._decrst(params)),\n      terminal.parser.registerCsiHandler({ final: 'c' }, params => this._da1(params)),\n      terminal.parser.registerCsiHandler({ prefix: '?', final: 'S' }, params => this._xtermGraphicsAttributes(params)),\n\n      // render hook\n      terminal.onRender(range => this._storage?.render(range)),\n\n      /**\n       * reset handlers covered:\n       * - DECSTR\n       * - RIS\n       * - Terminal.reset()\n       */\n      terminal.parser.registerCsiHandler({ intermediates: '!', final: 'p' }, () => this.reset()),\n      terminal.parser.registerEscHandler({ final: 'c' }, () => this.reset()),\n      terminal._core._inputHandler.onRequestReset(() => this.reset()),\n\n      // wipe canvas and delete alternate images on buffer switch\n      terminal.buffer.onBufferChange(() => this._storage?.wipeAlternate()),\n\n      // extend images to the right on resize\n      terminal.onResize(metrics => this._storage?.viewportResize(metrics))\n    );\n\n    // SIXEL handler\n    if (this._opts.sixelSupport) {\n      const sixelHandler = new SixelHandler(this._opts, this._storage!, terminal);\n      this._handlers.set('sixel', sixelHandler);\n      this._disposeLater(\n        terminal._core._inputHandler._parser.registerDcsHandler({ final: 'q' }, sixelHandler)\n      );\n    }\n\n    // iTerm IIP handler\n    if (this._opts.iipSupport) {\n      const iipHandler = new IIPHandler(this._opts, this._renderer!, this._storage!, terminal);\n      this._handlers.set('iip', iipHandler);\n      this._disposeLater(\n        terminal._core._inputHandler._parser.registerOscHandler(1337, iipHandler)\n      );\n    }\n  }\n\n  // Note: storageLimit is skipped here to not intoduce a surprising side effect.\n  public reset(): boolean {\n    // reset options customizable by sequences to defaults\n    this._opts.sixelScrolling = this._defaultOpts.sixelScrolling;\n    this._opts.sixelPaletteLimit = this._defaultOpts.sixelPaletteLimit;\n    // also clear image storage\n    this._storage?.reset();\n    // reset protocol handlers\n    for (const handler of this._handlers.values()) {\n      handler.reset();\n    }\n    return false;\n  }\n\n  public get storageLimit(): number {\n    return this._storage?.getLimit() || -1;\n  }\n\n  public set storageLimit(limit: number) {\n    this._storage?.setLimit(limit);\n    this._opts.storageLimit = limit;\n  }\n\n  public get storageUsage(): number {\n    if (this._storage) {\n      return this._storage.getUsage();\n    }\n    return -1;\n  }\n\n  public get showPlaceholder(): boolean {\n    return this._opts.showPlaceholder;\n  }\n\n  public set showPlaceholder(value: boolean) {\n    this._opts.showPlaceholder = value;\n    this._renderer?.showPlaceholder(value);\n  }\n\n  public getImageAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {\n    return this._storage?.getImageAtBufferCell(x, y);\n  }\n\n  public extractTileAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {\n    return this._storage?.extractTileAtBufferCell(x, y);\n  }\n\n  private _report(s: string): void {\n    this._terminal?._core.coreService.triggerDataEvent(s);\n  }\n\n  private _decset(params: (number | number[])[]): boolean {\n    for (let i = 0; i < params.length; ++i) {\n      switch (params[i]) {\n        case 80:\n          this._opts.sixelScrolling = false;\n          break;\n      }\n    }\n    return false;\n  }\n\n  private _decrst(params: (number | number[])[]): boolean {\n    for (let i = 0; i < params.length; ++i) {\n      switch (params[i]) {\n        case 80:\n          this._opts.sixelScrolling = true;\n          break;\n      }\n    }\n    return false;\n  }\n\n  // overload DA to return something more appropriate\n  private _da1(params: (number | number[])[]): boolean {\n    if (params[0]) {\n      return true;\n    }\n    // reported features:\n    // 62 - VT220\n    // 4 - SIXEL support\n    // 9 - charsets\n    // 22 - ANSI colors\n    if (this._opts.sixelSupport) {\n      this._report(`\\x1b[?62;4;9;22c`);\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Implementation of xterm's graphics attribute sequence.\n   *\n   * Supported features:\n   * - read/change palette limits (max 4096 by sixel lib)\n   * - read SIXEL canvas geometry (reports current window canvas or\n   *   squared pixelLimit if canvas > pixel limit)\n   *\n   * Everything else is deactivated.\n   */\n  private _xtermGraphicsAttributes(params: (number | number[])[]): boolean {\n    if (params.length < 2) {\n      return true;\n    }\n    if (params[0] === GaItem.COLORS) {\n      switch (params[1]) {\n        case GaAction.READ:\n          this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${this._opts.sixelPaletteLimit}S`);\n          return true;\n        case GaAction.SET_DEFAULT:\n          this._opts.sixelPaletteLimit = this._defaultOpts.sixelPaletteLimit;\n          this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${this._opts.sixelPaletteLimit}S`);\n          // also reset protocol handlers for now\n          for (const handler of this._handlers.values()) {\n            handler.reset();\n          }\n          return true;\n        case GaAction.SET:\n          if (params.length > 2 && !(params[2] instanceof Array) && params[2] <= MAX_SIXEL_PALETTE_SIZE) {\n            this._opts.sixelPaletteLimit = params[2];\n            this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${this._opts.sixelPaletteLimit}S`);\n          } else {\n            this._report(`\\x1b[?${params[0]};${GaStatus.ACTION_ERROR}S`);\n          }\n          return true;\n        case GaAction.READ_MAX:\n          this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${MAX_SIXEL_PALETTE_SIZE}S`);\n          return true;\n        default:\n          this._report(`\\x1b[?${params[0]};${GaStatus.ACTION_ERROR}S`);\n          return true;\n      }\n    }\n    if (params[0] === GaItem.SIXEL_GEO) {\n      switch (params[1]) {\n        // we only implement read and read_max here\n        case GaAction.READ:\n          let width = this._renderer?.dimensions?.css.canvas.width;\n          let height = this._renderer?.dimensions?.css.canvas.height;\n          if (!width || !height) {\n            // for some reason we have no working image renderer\n            // --> fallback to default cell size\n            const cellSize = CELL_SIZE_DEFAULT;\n            width = (this._terminal?.cols || 80) * cellSize.width;\n            height = (this._terminal?.rows || 24) * cellSize.height;\n          }\n          if (width * height < this._opts.pixelLimit) {\n            this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${width.toFixed(0)};${height.toFixed(0)}S`);\n          } else {\n            // if we overflow pixelLimit report that squared instead\n            const x = Math.floor(Math.sqrt(this._opts.pixelLimit));\n            this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${x};${x}S`);\n          }\n          return true;\n        case GaAction.READ_MAX:\n          // read_max returns pixelLimit as square area\n          const x = Math.floor(Math.sqrt(this._opts.pixelLimit));\n          this._report(`\\x1b[?${params[0]};${GaStatus.SUCCESS};${x};${x}S`);\n          return true;\n        default:\n          this._report(`\\x1b[?${params[0]};${GaStatus.ACTION_ERROR}S`);\n          return true;\n      }\n    }\n    // exit with error on ReGIS or any other requests\n    this._report(`\\x1b[?${params[0]};${GaStatus.ITEM_ERROR}S`);\n    return true;\n  }\n}\n"],"names":["root","factory","exports","module","define","amd","self","_dec","s","Buffer","from","bs","atob","r","Uint8Array","length","i","charCodeAt","Object","defineProperty","value","InWasm","def","d","t","bytes","mod","W","WebAssembly","Promise","resolve","Module","compile","then","m","e","Instance","instantiate","instance","_wasmCtx","Error","add","red","n","green","blue","toRGBA8888","g","b","a","clamp","low","high","Math","max","min","h2c","t1","t2","c","normalizeRGB","round","DEFAULT_FOREGROUND","DEFAULT_BACKGROUND","PALETTE_ANSI_256","PALETTE_VT340_GREY","PALETTE_VT340_COLOR","normalizeHLS","nearestColorIndex","fromRGBA8888","alpha","BIG_ENDIAN","Uint32Array","buffer","console","warn","color","palette","Number","MAX_SAFE_INTEGER","idx","dr","dg","db","h","l","v","HLStoRGB","p","push","decodeAsync","decode","Decoder","DecoderAsync","Colors_1","wasm_1","WASM_BYTES","bytestring","result","decodeBase64","LIMITS","BYTES","WASM_MODULE","NULL_CANVAS","CallbackProxy","constructor","this","bandHandler","width","modeHandler","mode","handle_band","mode_parsed","DEFAULT_OPTIONS","memoryLimit","sixelColor","fillColor","paletteLimit","PALETTE_SIZE","truncate","opts","cbProxy","importObj","env","bind","inst","_instance","_cbProxy","_PIXEL_OFFSET","MAX_WIDTH","_canvas","_bandWidths","_maxWidth","_minWidth","_lastOffset","_currentHeight","_opts","assign","_handle_band","_initCanvas","_wasm","_chunk","memory","get_chunk_address","CHUNK_SIZE","_states","get_state_address","_palette","get_palette_address","set","_pSrc","get_p0_address","init","_fillColor","_truncate","_rasterWidth","_rasterHeight","_width","_height","_level","_mode","_paletteLimit","pixels","height","release","_realloc","offset","additionalPixels","newCanvas","ceil","adv","remaining","subarray","current_width","current_height","memoryUsage","byteLength","properties","level","memUsage","rasterAttributes","numerator","denominator","data","start","end","decodeString","j","data32","currentWidth","fill","escape","final","finalOffset","bw","currentHeight","data8","Uint8ClampedArray","dec","async","wasmDecode","MAP","split","map","el","D","EMPTY","keepSize","_inst","_d","_m32","_mem","size","grow","Memory","initial","put","DEFAULT_HEADER","name","preserveAspectRatio","inline","_renderer","_storage","_coreTerminal","_aborted","_hp","HeaderParser","_header","_metrics","UNSUPPORTED_TYPE","reset","state","dataPos","parse","fields","iipSizeLimit","success","w","cond","imageType","mime","pixelLimit","_resize","floor","blob","Blob","type","window","createImageBitmap","url","URL","createObjectURL","img","Image","addEventListener","revokeObjectURL","canvas","ImageRenderer","createCanvas","document","getContext","drawImage","addImage","src","setTimeout","resizeWidth","resizeHeight","bm","cw","dimensions","css","cell","CELL_SIZE_DEFAULT","ch","cols","rows","rw","_dim","rh","wf","hf","f","total","cdim","endsWith","parseInt","slice","toStr","String","fromCharCode","toInt","toSize","match","DECODERS","toString","TextDecoder","FILE_MARKER","MAX_FIELDCHARS","_buffer","_position","_key","pos","_storeValue","_a","k","_storeKey","d32","byteOffset","len","blockLength","jpgSize","Disposable","localDocument","createElement","createImageData","ctx","ImageData","imgData","undefined","_terminal","super","_optionsRefresh","register","MutableDisposable","_oldOpen","_core","open","parent","call","_open","screenElement","optionsService","onOptionChange","option","rescaleCanvas","_renderService","refreshRows","toDisposable","removeLayerFromDom","_oldSetRenderer","setRenderer","_ctx","_placeholderBitmap","close","_placeholder","showPlaceholder","cellSize","_createPlaceHolder","clearLines","clearRect","clearAll","draw","imgSpec","tileId","col","row","count","_rescaleImage","actual","sx","sy","dx","dy","finalWidth","finalHeight","extractTile","drawPlaceholder","spec","actualCellSize","originalWidth","originalHeight","origCellSize","orig","renderer","insertLayerToDom","classList","appendChild","desynchronized","remove","bWidth","blueprint","black","white","y","shift","x","putImageData","screen","ctx2","bitmap","_coreBrowserService","ExtendedAttrsImage","ext","_urlId","_ext","underlineStyle","underlineColor","underlineVariantOffset","val","urlId","imageId","clone","isEmpty","EMPTY_ATTRS","_images","Map","_lastId","_lowestId","_fullyCleared","_needsFullClear","_pixelLimit","setLimit","storageLimit","error","message","getLimit","_viewportMetrics","dispose","values","marker","clear","RangeError","_evictOldest","getUsage","_getStoredPixels","storedPixels","_delImg","id","get","delete","ImageBitmap","wipeAlternate","zero","entries","bufferType","advanceCursor","sixelScrolling","_inputHandler","lineFeed","termCols","termRows","originX","originY","tileCount","_dirtyRowTracker","markDirty","line","lines","ybase","_writeToCell","endMarker","registerMarker","onDispose","active","_evictOnAlternate","render","range","ydisp","getBg","_extendedAttrs","startTile","startCol","viewportResize","metrics"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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPHandler.js b/web/public/node_modules/@xterm/addon-image/out/IIPHandler.js
new file mode 100644
index 000000000..ad11786bd
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPHandler.js
@@ -0,0 +1,148 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.IIPHandler = void 0;
+const ImageRenderer_1 = require("./ImageRenderer");
+const ImageStorage_1 = require("./ImageStorage");
+const Base64Decoder_wasm_1 = require("xterm-wasm-parts/lib/base64/Base64Decoder.wasm");
+const IIPHeaderParser_1 = require("./IIPHeaderParser");
+const IIPMetrics_1 = require("./IIPMetrics");
+// limit hold memory in base64 decoder
+const KEEP_DATA = 4194304;
+// default IIP header values
+const DEFAULT_HEADER = {
+    name: 'Unnamed file',
+    size: 0,
+    width: 'auto',
+    height: 'auto',
+    preserveAspectRatio: 1,
+    inline: 0
+};
+class IIPHandler {
+    constructor(_opts, _renderer, _storage, _coreTerminal) {
+        this._opts = _opts;
+        this._renderer = _renderer;
+        this._storage = _storage;
+        this._coreTerminal = _coreTerminal;
+        this._aborted = false;
+        this._hp = new IIPHeaderParser_1.HeaderParser();
+        this._header = DEFAULT_HEADER;
+        this._dec = new Base64Decoder_wasm_1.default(KEEP_DATA);
+        this._metrics = IIPMetrics_1.UNSUPPORTED_TYPE;
+    }
+    reset() { }
+    start() {
+        this._aborted = false;
+        this._header = DEFAULT_HEADER;
+        this._metrics = IIPMetrics_1.UNSUPPORTED_TYPE;
+        this._hp.reset();
+    }
+    put(data, start, end) {
+        if (this._aborted)
+            return;
+        if (this._hp.state === 4 /* HeaderState.END */) {
+            if (this._dec.put(data, start, end)) {
+                this._dec.release();
+                this._aborted = true;
+            }
+        }
+        else {
+            const dataPos = this._hp.parse(data, start, end);
+            if (dataPos === -1) {
+                this._aborted = true;
+                return;
+            }
+            if (dataPos > 0) {
+                this._header = Object.assign({}, DEFAULT_HEADER, this._hp.fields);
+                if (!this._header.inline || !this._header.size || this._header.size > this._opts.iipSizeLimit) {
+                    this._aborted = true;
+                    return;
+                }
+                this._dec.init(this._header.size);
+                if (this._dec.put(data, dataPos, end)) {
+                    this._dec.release();
+                    this._aborted = true;
+                }
+            }
+        }
+    }
+    end(success) {
+        if (this._aborted)
+            return true;
+        let w = 0;
+        let h = 0;
+        // early exit condition chain
+        let cond = true;
+        if (cond = success) {
+            if (cond = !this._dec.end()) {
+                this._metrics = (0, IIPMetrics_1.imageType)(this._dec.data8);
+                if (cond = this._metrics.mime !== 'unsupported') {
+                    w = this._metrics.width;
+                    h = this._metrics.height;
+                    if (cond = w && h && w * h < this._opts.pixelLimit) {
+                        [w, h] = this._resize(w, h).map(Math.floor);
+                        cond = w && h && w * h < this._opts.pixelLimit;
+                    }
+                }
+            }
+        }
+        if (!cond) {
+            this._dec.release();
+            return true;
+        }
+        const blob = new Blob([this._dec.data8], { type: this._metrics.mime });
+        this._dec.release();
+        if (!window.createImageBitmap) {
+            const url = URL.createObjectURL(blob);
+            const img = new Image();
+            return new Promise(r => {
+                img.addEventListener('load', () => {
+                    var _a;
+                    URL.revokeObjectURL(url);
+                    const canvas = ImageRenderer_1.ImageRenderer.createCanvas(window.document, w, h);
+                    (_a = canvas.getContext('2d')) === null || _a === void 0 ? void 0 : _a.drawImage(img, 0, 0, w, h);
+                    this._storage.addImage(canvas);
+                    r(true);
+                });
+                img.src = url;
+                // sanity measure to avoid terminal blocking from dangling promise
+                // happens from corrupt data (onload never gets fired)
+                setTimeout(() => r(true), 1000);
+            });
+        }
+        return createImageBitmap(blob, { resizeWidth: w, resizeHeight: h })
+            .then(bm => {
+            this._storage.addImage(bm);
+            return true;
+        });
+    }
+    _resize(w, h) {
+        var _a, _b, _c, _d;
+        const cw = ((_a = this._renderer.dimensions) === null || _a === void 0 ? void 0 : _a.css.cell.width) || ImageStorage_1.CELL_SIZE_DEFAULT.width;
+        const ch = ((_b = this._renderer.dimensions) === null || _b === void 0 ? void 0 : _b.css.cell.height) || ImageStorage_1.CELL_SIZE_DEFAULT.height;
+        const width = ((_c = this._renderer.dimensions) === null || _c === void 0 ? void 0 : _c.css.canvas.width) || cw * this._coreTerminal.cols;
+        const height = ((_d = this._renderer.dimensions) === null || _d === void 0 ? void 0 : _d.css.canvas.height) || ch * this._coreTerminal.rows;
+        const rw = this._dim(this._header.width, width, cw);
+        const rh = this._dim(this._header.height, height, ch);
+        if (!rw && !rh) {
+            const wf = width / w; // TODO: should this respect initial cursor offset?
+            const hf = (height - ch) / h; // TODO: fix offset issues from float cell height
+            const f = Math.min(wf, hf);
+            return f < 1 ? [w * f, h * f] : [w, h];
+        }
+        return !rw
+            ? [w * rh / h, rh]
+            : this._header.preserveAspectRatio || !rw || !rh
+                ? [rw, h * rw / w] : [rw, rh];
+    }
+    _dim(s, total, cdim) {
+        if (s === 'auto')
+            return 0;
+        if (s.endsWith('%'))
+            return parseInt(s.slice(0, -1)) * total / 100;
+        if (s.endsWith('px'))
+            return parseInt(s.slice(0, -2));
+        return parseInt(s) * cdim;
+    }
+}
+exports.IIPHandler = IIPHandler;
+//# sourceMappingURL=IIPHandler.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPHandler.js.map b/web/public/node_modules/@xterm/addon-image/out/IIPHandler.js.map
new file mode 100644
index 000000000..67306e841
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPHandler.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.js b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.js
new file mode 100644
index 000000000..0a38a1422
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.js
@@ -0,0 +1,156 @@
+"use strict";
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.HeaderParser = void 0;
+// field value decoders
+// ASCII bytes to string
+function toStr(data) {
+    let s = '';
+    for (let i = 0; i < data.length; ++i) {
+        s += String.fromCharCode(data[i]);
+    }
+    return s;
+}
+// digits to integer
+function toInt(data) {
+    let v = 0;
+    for (let i = 0; i < data.length; ++i) {
+        if (data[i] < 48 || data[i] > 57) {
+            throw new Error('illegal char');
+        }
+        v = v * 10 + data[i] - 48;
+    }
+    return v;
+}
+// check for correct size entry
+function toSize(data) {
+    const v = toStr(data);
+    if (!v.match(/^((auto)|(\d+?((px)|(%)){0,1}))$/)) {
+        throw new Error('illegal size');
+    }
+    return v;
+}
+// name is base64 encoded utf-8
+function toName(data) {
+    if (typeof Buffer !== 'undefined') {
+        return Buffer.from(toStr(data), 'base64').toString();
+    }
+    const bs = atob(toStr(data));
+    const b = new Uint8Array(bs.length);
+    for (let i = 0; i < b.length; ++i) {
+        b[i] = bs.charCodeAt(i);
+    }
+    return new TextDecoder().decode(b);
+}
+const DECODERS = {
+    inline: toInt,
+    size: toInt,
+    name: toName,
+    width: toSize,
+    height: toSize,
+    preserveAspectRatio: toInt
+};
+const FILE_MARKER = [70, 105, 108, 101];
+const MAX_FIELDCHARS = 1024;
+class HeaderParser {
+    constructor() {
+        this.state = 0 /* HeaderState.START */;
+        this._buffer = new Uint32Array(MAX_FIELDCHARS);
+        this._position = 0;
+        this._key = '';
+        this.fields = {};
+    }
+    reset() {
+        this._buffer.fill(0);
+        this.state = 0 /* HeaderState.START */;
+        this._position = 0;
+        this.fields = {};
+        this._key = '';
+    }
+    parse(data, start, end) {
+        let state = this.state;
+        let pos = this._position;
+        const buffer = this._buffer;
+        if (state === 1 /* HeaderState.ABORT */ || state === 4 /* HeaderState.END */)
+            return -1;
+        if (state === 0 /* HeaderState.START */ && pos > 6)
+            return -1;
+        for (let i = start; i < end; ++i) {
+            const c = data[i];
+            switch (c) {
+                case 59: // ;
+                    if (!this._storeValue(pos))
+                        return this._a();
+                    state = 2 /* HeaderState.KEY */;
+                    pos = 0;
+                    break;
+                case 61: // =
+                    if (state === 0 /* HeaderState.START */) {
+                        for (let k = 0; k < FILE_MARKER.length; ++k) {
+                            if (buffer[k] !== FILE_MARKER[k])
+                                return this._a();
+                        }
+                        state = 2 /* HeaderState.KEY */;
+                        pos = 0;
+                    }
+                    else if (state === 2 /* HeaderState.KEY */) {
+                        if (!this._storeKey(pos))
+                            return this._a();
+                        state = 3 /* HeaderState.VALUE */;
+                        pos = 0;
+                    }
+                    else if (state === 3 /* HeaderState.VALUE */) {
+                        if (pos >= MAX_FIELDCHARS)
+                            return this._a();
+                        buffer[pos++] = c;
+                    }
+                    break;
+                case 58: // :
+                    if (state === 3 /* HeaderState.VALUE */) {
+                        if (!this._storeValue(pos))
+                            return this._a();
+                    }
+                    this.state = 4 /* HeaderState.END */;
+                    return i + 1;
+                default:
+                    if (pos >= MAX_FIELDCHARS)
+                        return this._a();
+                    buffer[pos++] = c;
+            }
+        }
+        this.state = state;
+        this._position = pos;
+        return -2;
+    }
+    _a() {
+        this.state = 1 /* HeaderState.ABORT */;
+        return -1;
+    }
+    _storeKey(pos) {
+        const k = toStr(this._buffer.subarray(0, pos));
+        if (k) {
+            this._key = k;
+            this.fields[k] = null;
+            return true;
+        }
+        return false;
+    }
+    _storeValue(pos) {
+        if (this._key) {
+            try {
+                const v = this._buffer.slice(0, pos);
+                this.fields[this._key] = DECODERS[this._key] ? DECODERS[this._key](v) : v;
+            }
+            catch (e) {
+                return false;
+            }
+            return true;
+        }
+        return false;
+    }
+}
+exports.HeaderParser = HeaderParser;
+//# sourceMappingURL=IIPHeaderParser.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.js.map b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.js.map
new file mode 100644
index 000000000..de111f76c
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.test.js b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.test.js
new file mode 100644
index 000000000..28fcbd898
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.test.js
@@ -0,0 +1,137 @@
+"use strict";
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+const chai_1 = require("chai");
+const IIPHeaderParser_1 = require("./IIPHeaderParser");
+const CASES = [
+    ['File=size=123456;name=dGVzdA==:', { name: 'test', size: 123456 }],
+    ['File=size=123456;name=dGVzdA:', { name: 'test', size: 123456 }],
+    // utf-8 encoding in name
+    ['File=size=123456;name=w7xtbMOkdXTDnw==:', { name: 'ümläutß', size: 123456 }],
+    ['File=size=123456;name=w7xtbMOkdXTDnw:', { name: 'ümläutß', size: 123456 }],
+    // full header spec
+    [
+        'File=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
+        {
+            inline: 1,
+            width: '10px',
+            height: '20%',
+            preserveAspectRatio: 1,
+            size: 123456,
+            name: 'ümläutß'
+        }
+    ],
+    [
+        'File=inline=1;width=auto;height=20;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
+        {
+            inline: 1,
+            width: 'auto',
+            height: '20',
+            preserveAspectRatio: 1,
+            size: 123456,
+            name: 'ümläutß'
+        }
+    ]
+];
+function fromBs(bs) {
+    const r = new Uint32Array(bs.length);
+    for (let i = 0; i < r.length; ++i)
+        r[i] = bs.charCodeAt(i);
+    return r;
+}
+describe('IIPHeaderParser', () => {
+    it('at once', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        for (const example of CASES) {
+            hp.reset();
+            const inp = fromBs(example[0]);
+            const res = hp.parse(inp, 0, inp.length);
+            chai_1.assert.strictEqual(res, inp.length);
+            chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+            chai_1.assert.deepEqual(hp.fields, example[1]);
+        }
+    });
+    it('bytewise', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        for (const example of CASES) {
+            hp.reset();
+            const inp = fromBs(example[0]);
+            let pos = 0;
+            let res = -2;
+            while (res === -2 && pos < inp.length) {
+                res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
+            }
+            chai_1.assert.strictEqual(res, 1);
+            chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+            chai_1.assert.deepEqual(hp.fields, example[1]);
+        }
+    });
+    it('no File= starter', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        let inp = fromBs('size=123456;name=dGVzdA==:');
+        let res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, -1);
+        hp.reset();
+        inp = fromBs(CASES[0][0]);
+        res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, CASES[0][1]);
+    });
+    it('empty key - error', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        let inp = fromBs('File=size=123456;=dGVzdA==:');
+        let res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, -1);
+        hp.reset();
+        inp = fromBs(CASES[0][0]);
+        res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, CASES[0][1]);
+    });
+    it('empty size value - set to 0', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        let inp = fromBs('File=size=;name=dGVzdA==:');
+        let res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, { name: 'test', size: 0 });
+        hp.reset();
+        inp = fromBs(CASES[0][0]);
+        res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, CASES[0][1]);
+    });
+    it('empty name value - set to empty string', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        let inp = fromBs('File=size=123456;name=:');
+        let res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, { name: '', size: 123456 });
+        hp.reset();
+        inp = fromBs(CASES[0][0]);
+        res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, CASES[0][1]);
+    });
+    it('empty size value - error', () => {
+        const hp = new IIPHeaderParser_1.HeaderParser();
+        let inp = fromBs('File=inline=1;width=;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:');
+        let res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, -1);
+        hp.reset();
+        inp = fromBs(CASES[0][0]);
+        res = hp.parse(inp, 0, inp.length);
+        chai_1.assert.strictEqual(res, inp.length);
+        chai_1.assert.strictEqual(hp.state, 4 /* HeaderState.END */);
+        chai_1.assert.deepEqual(hp.fields, CASES[0][1]);
+    });
+});
+//# sourceMappingURL=IIPHeaderParser.test.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.test.js.map b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.test.js.map
new file mode 100644
index 000000000..86b595c7f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPHeaderParser.test.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"IIPHeaderParser.test.js","sourceRoot":"","sources":["../src/IIPHeaderParser.test.ts"],"names":[],"mappings":";AAAA;;;GAGG;;AAEH,+BAA8B;AAC9B,uDAA6E;AAG7E,MAAM,KAAK,GAA8B;IACvC,CAAC,iCAAiC,EAAE,EAAC,IAAI,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAC,CAAC;IACjE,CAAC,+BAA+B,EAAE,EAAC,IAAI,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAC,CAAC;IAC/D,yBAAyB;IACzB,CAAC,yCAAyC,EAAE,EAAC,IAAI,EAAE,SAAS,EAAE,IAAI,EAAE,MAAM,EAAC,CAAC;IAC5E,CAAC,uCAAuC,EAAE,EAAC,IAAI,EAAE,SAAS,EAAE,IAAI,EAAE,MAAM,EAAC,CAAC;IAC1E,mBAAmB;IACnB;QACE,4FAA4F;QAC5F;YACE,MAAM,EAAE,CAAC;YACT,KAAK,EAAE,MAAM;YACb,MAAM,EAAE,KAAK;YACb,mBAAmB,EAAE,CAAC;YACtB,IAAI,EAAE,MAAM;YACZ,IAAI,EAAE,SAAS;SAChB;KACF;IACD;QACE,2FAA2F;QAC3F;YACE,MAAM,EAAE,CAAC;YACT,KAAK,EAAE,MAAM;YACb,MAAM,EAAE,IAAI;YACZ,mBAAmB,EAAE,CAAC;YACtB,IAAI,EAAE,MAAM;YACZ,IAAI,EAAE,SAAS;SAChB;KACF;CACF,CAAC;AAEF,SAAS,MAAM,CAAC,EAAU;IACxB,MAAM,CAAC,GAAG,IAAI,WAAW,CAAC,EAAE,CAAC,MAAM,CAAC,CAAC;IACrC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC,MAAM,EAAE,EAAE,CAAC;QAAE,CAAC,CAAC,CAAC,CAAC,GAAG,EAAE,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;IAC3D,OAAO,CAAC,CAAC;AACX,CAAC;AAED,QAAQ,CAAC,iBAAiB,EAAE,GAAG,EAAE;IAC/B,EAAE,CAAC,SAAS,EAAE,GAAG,EAAE;QACjB,MAAM,EAAE,GAAG,IAAI,8BAAY,EAAE,CAAC;QAC9B,KAAK,MAAM,OAAO,IAAI,KAAK,EAAE;YAC3B,EAAE,CAAC,KAAK,EAAE,CAAC;YACX,MAAM,GAAG,GAAG,MAAM,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;YAC/B,MAAM,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;YACzC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;YACpC,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;YAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;SACzC;IACH,CAAC,CAAC,CAAC;IACH,EAAE,CAAC,UAAU,EAAE,GAAG,EAAE;QAClB,MAAM,EAAE,GAAG,IAAI,8BAAY,EAAE,CAAC;QAC9B,KAAK,MAAM,OAAO,IAAI,KAAK,EAAE;YAC3B,EAAE,CAAC,KAAK,EAAE,CAAC;YACX,MAAM,GAAG,GAAG,MAAM,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;YAC/B,IAAI,GAAG,GAAG,CAAC,CAAC;YACZ,IAAI,GAAG,GAAG,CAAC,CAAC,CAAC;YACb,OAAO,GAAG,KAAK,CAAC,CAAC,IAAI,GAAG,GAAG,GAAG,CAAC,MAAM,EAAE;gBACrC,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,IAAI,WAAW,CAAC,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;aACrD;YACD,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC;YAC3B,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;YAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;SACzC;IACH,CAAC,CAAC,CAAC;IACH,EAAE,CAAC,kBAAkB,EAAE,GAAG,EAAE;QAC1B,MAAM,EAAE,GAAG,IAAI,8BAAY,EAAE,CAAC;QAC9B,IAAI,GAAG,GAAG,MAAM,CAAC,4BAA4B,CAAC,CAAC;QAC/C,IAAI,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACvC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC,CAAC;QAC5B,EAAE,CAAC,KAAK,EAAE,CAAC;QACX,GAAG,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QAC1B,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACnC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACpC,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;QAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IAC3C,CAAC,CAAC,CAAC;IACH,EAAE,CAAC,mBAAmB,EAAE,GAAG,EAAE;QAC3B,MAAM,EAAE,GAAG,IAAI,8BAAY,EAAE,CAAC;QAC9B,IAAI,GAAG,GAAG,MAAM,CAAC,6BAA6B,CAAC,CAAC;QAChD,IAAI,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACvC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC,CAAC;QAC5B,EAAE,CAAC,KAAK,EAAE,CAAC;QACX,GAAG,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QAC1B,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACnC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACpC,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;QAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IAC3C,CAAC,CAAC,CAAC;IACH,EAAE,CAAC,6BAA6B,EAAE,GAAG,EAAE;QACrC,MAAM,EAAE,GAAG,IAAI,8BAAY,EAAE,CAAC;QAC9B,IAAI,GAAG,GAAG,MAAM,CAAC,2BAA2B,CAAC,CAAC;QAC9C,IAAI,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACvC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACpC,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;QAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,EAAC,IAAI,EAAE,MAAM,EAAE,IAAI,EAAE,CAAC,EAAC,CAAC,CAAC;QACrD,EAAE,CAAC,KAAK,EAAE,CAAC;QACX,GAAG,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QAC1B,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACnC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACpC,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;QAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IAC3C,CAAC,CAAC,CAAC;IACH,EAAE,CAAC,wCAAwC,EAAE,GAAG,EAAE;QAChD,MAAM,EAAE,GAAG,IAAI,8BAAY,EAAE,CAAC;QAC9B,IAAI,GAAG,GAAG,MAAM,CAAC,yBAAyB,CAAC,CAAC;QAC5C,IAAI,GAAG,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACvC,aAAM,CAAC,WAAW,CAAC,GAAG,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;QACpC,aAAM,CAAC,WAAW,CAAC,EAAE,CAAC,KAAK,0BAAkB,CAAC;QAC9C,aAAM,CAAC,SAAS,CAAC,EAAE,CAAC,MAAM,EAAE,EAAC,IAAI,EAAE,EAAE,EAAE,IAAI,EAAE,MAAM,EAAC,CAAC,CAAC;QACtD,EAAE,CAAC,KAAK,EAAE,CAAC;QACX,GAAG,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,C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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.js b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.js
new file mode 100644
index 000000000..099825dfe
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.js
@@ -0,0 +1,71 @@
+"use strict";
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.imageType = exports.UNSUPPORTED_TYPE = void 0;
+exports.UNSUPPORTED_TYPE = {
+    mime: 'unsupported',
+    width: 0,
+    height: 0
+};
+function imageType(d) {
+    if (d.length < 24) {
+        return exports.UNSUPPORTED_TYPE;
+    }
+    const d32 = new Uint32Array(d.buffer, d.byteOffset, 6);
+    // PNG: 89 50 4E 47 0D 0A 1A 0A (8 first bytes == magic number for PNG)
+    // + first chunk must be IHDR
+    if (d32[0] === 0x474E5089 && d32[1] === 0x0A1A0A0D && d32[3] === 0x52444849) {
+        return {
+            mime: 'image/png',
+            width: d[16] << 24 | d[17] << 16 | d[18] << 8 | d[19],
+            height: d[20] << 24 | d[21] << 16 | d[22] << 8 | d[23]
+        };
+    }
+    // JPEG: FF D8 FF E0 xx xx JFIF  or  FF D8 FF E1 xx xx Exif 00 00
+    if ((d32[0] === 0xE0FFD8FF || d32[0] === 0xE1FFD8FF)
+        && ((d[6] === 0x4a && d[7] === 0x46 && d[8] === 0x49 && d[9] === 0x46)
+            || (d[6] === 0x45 && d[7] === 0x78 && d[8] === 0x69 && d[9] === 0x66))) {
+        const [width, height] = jpgSize(d);
+        return { mime: 'image/jpeg', width, height };
+    }
+    // GIF: GIF87a or GIF89a
+    if (d32[0] === 0x38464947 && (d[4] === 0x37 || d[4] === 0x39) && d[5] === 0x61) {
+        return {
+            mime: 'image/gif',
+            width: d[7] << 8 | d[6],
+            height: d[9] << 8 | d[8]
+        };
+    }
+    return exports.UNSUPPORTED_TYPE;
+}
+exports.imageType = imageType;
+function jpgSize(d) {
+    const len = d.length;
+    let i = 4;
+    let blockLength = d[i] << 8 | d[i + 1];
+    while (true) {
+        i += blockLength;
+        if (i >= len) {
+            // exhausted without size info
+            return [0, 0];
+        }
+        if (d[i] !== 0xFF) {
+            return [0, 0];
+        }
+        if (d[i + 1] === 0xC0 || d[i + 1] === 0xC2) {
+            if (i + 8 < len) {
+                return [
+                    d[i + 7] << 8 | d[i + 8],
+                    d[i + 5] << 8 | d[i + 6]
+                ];
+            }
+            return [0, 0];
+        }
+        i += 2;
+        blockLength = d[i] << 8 | d[i + 1];
+    }
+}
+//# sourceMappingURL=IIPMetrics.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.js.map b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.js.map
new file mode 100644
index 000000000..98b1ed174
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"IIPMetrics.js","sourceRoot":"","sources":["../src/IIPMetrics.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAWU,QAAA,gBAAgB,GAAa;IACxC,IAAI,EAAE,aAAa;IACnB,KAAK,EAAE,CAAC;IACR,MAAM,EAAE,CAAC;CACV,CAAC;AAEF,SAAgB,SAAS,CAAC,CAAa;IACrC,IAAI,CAAC,CAAC,MAAM,GAAG,EAAE,EAAE;QACjB,OAAO,wBAAgB,CAAC;KACzB;IACD,MAAM,GAAG,GAAG,IAAI,WAAW,CAAC,CAAC,CAAC,MAAM,EAAE,CAAC,CAAC,UAAU,EAAE,CAAC,CAAC,CAAC;IACvD,uEAAuE;IACvE,6BAA6B;IAC7B,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,UAAU,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,UAAU,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,UAAU,EAAE;QAC3E,OAAO;YACL,IAAI,EAAE,WAAW;YACjB,KAAK,EAAE,CAAC,CAAC,EAAE,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC,EAAE,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC,EAAE,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC;YACrD,MAAM,EAAE,CAAC,CAAC,EAAE,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC,EAAE,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC,EAAE,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC;SACvD,CAAC;KACH;IACD,iEAAiE;IACjE,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,KAAK,UAAU,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,UAAU,CAAC;WAC9C,CACF,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,CAAC;eAC5D,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,CAAC,CACzE,EACD;QACA,MAAM,CAAC,KAAK,EAAE,MAAM,CAAC,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;QACnC,OAAO,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,MAAM,EAAE,CAAC;KAC9C;IACD,wBAAwB;IACxB,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,UAAU,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,EAAE;QAC9E,OAAO;YACL,IAAI,EAAE,WAAW;YACjB,KAAK,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;YACvB,MAAM,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;SACzB,CAAC;KACH;IACD,OAAO,wBAAgB,CAAC;AAC1B,CAAC;AAjCD,8BAiCC;AAED,SAAS,OAAO,CAAC,CAAa;IAC5B,MAAM,GAAG,GAAG,CAAC,CAAC,MAAM,CAAC;IACrB,IAAI,CAAC,GAAG,CAAC,CAAC;IACV,IAAI,WAAW,GAAG,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;IACvC,OAAO,IAAI,EAAE;QACX,CAAC,IAAI,WAAW,CAAC;QACjB,IAAI,CAAC,IAAI,GAAG,EAAE;YACZ,8BAA8B;YAC9B,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;SACf;QACD,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,EAAE;YACjB,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;SACf;QACD,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,KAAK,IAAI,EAAE;YAC1C,IAAI,CAAC,GAAG,CAAC,GAAG,GAAG,EAAE;gBACf,OAAO;oBACL,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;oBACxB,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;iBACzB,CAAC;aACH;YACD,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;SACf;QACD,CAAC,IAAI,CAAC,CAAC;QACP,WAAW,GAAG,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;KACpC;AACH,CAAC"}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.test.js b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.test.js
new file mode 100644
index 000000000..03441ea0f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.test.js
@@ -0,0 +1,38 @@
+"use strict";
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+const chai_1 = require("chai");
+const IIPMetrics_1 = require("./IIPMetrics");
+const fs = require('fs');
+const TEST_IMAGES = [
+    ['w3c_home_256.gif', { mime: 'image/gif', width: 72, height: 48 }],
+    ['w3c_home_256.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+    ['w3c_home_256.png', { mime: 'image/png', width: 72, height: 48 }],
+    ['w3c_home_2.gif', { mime: 'image/gif', width: 72, height: 48 }],
+    ['w3c_home_2.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+    ['w3c_home_2.png', { mime: 'image/png', width: 72, height: 48 }],
+    ['w3c_home_animation.gif', { mime: 'image/gif', width: 72, height: 48 }],
+    ['w3c_home.gif', { mime: 'image/gif', width: 72, height: 48 }],
+    ['w3c_home_gray.gif', { mime: 'image/gif', width: 72, height: 48 }],
+    ['w3c_home_gray.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+    ['w3c_home_gray.png', { mime: 'image/png', width: 72, height: 48 }],
+    ['w3c_home.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+    ['w3c_home.png', { mime: 'image/png', width: 72, height: 48 }],
+    ['spinfox.png', { mime: 'image/png', width: 148, height: 148 }],
+    ['iphone_hdr_YES.jpg', { mime: 'image/jpeg', width: 3264, height: 2448 }],
+    ['nikon-e950.jpg', { mime: 'image/jpeg', width: 800, height: 600 }],
+    ['agfa-makernotes.jpg', { mime: 'image/jpeg', width: 8, height: 8 }],
+    ['sony-alpha-6000.jpg', { mime: 'image/jpeg', width: 6000, height: 4000 }]
+];
+describe('IIPMetrics', () => {
+    it('bunch of testimages', () => {
+        for (let i = 0; i < TEST_IMAGES.length; ++i) {
+            const imageData = fs.readFileSync('./addons/addon-image/fixture/testimages/' + TEST_IMAGES[i][0]);
+            chai_1.assert.deepStrictEqual((0, IIPMetrics_1.imageType)(imageData), TEST_IMAGES[i][1]);
+        }
+    });
+});
+//# sourceMappingURL=IIPMetrics.test.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.test.js.map b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.test.js.map
new file mode 100644
index 000000000..2cc10bba8
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/IIPMetrics.test.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"IIPMetrics.test.js","sourceRoot":"","sources":["../src/IIPMetrics.test.ts"],"names":[],"mappings":";AAAA;;;GAGG;;AAEH,+BAA8B;AAC9B,6CAAmD;AAInD,MAAM,EAAE,GAAG,OAAO,CAAC,IAAI,CAAC,CAAC;AAGzB,MAAM,WAAW,GAAyB;IACxC,CAAC,kBAAkB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAClE,CAAC,kBAAkB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IACnE,CAAC,kBAAkB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAClE,CAAC,gBAAgB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAChE,CAAC,gBAAgB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IACjE,CAAC,gBAAgB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAChE,CAAC,wBAAwB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IACxE,CAAC,cAAc,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAC9D,CAAC,mBAAmB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IACnE,CAAC,mBAAmB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IACpE,CAAC,mBAAmB,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IACnE,CAAC,cAAc,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAC/D,CAAC,cAAc,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE,CAAC;IAC9D,CAAC,aAAa,EAAE,EAAE,IAAI,EAAE,WAAW,EAAE,KAAK,EAAE,GAAG,EAAE,MAAM,EAAE,GAAG,EAAE,CAAC;IAC/D,CAAC,oBAAoB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,IAAI,EAAE,MAAM,EAAE,IAAI,EAAE,CAAC;IACzE,CAAC,gBAAgB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,GAAG,EAAE,MAAM,EAAE,GAAG,EAAE,CAAC;IACnE,CAAC,qBAAqB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,CAAC;IACpE,CAAC,qBAAqB,EAAE,EAAE,IAAI,EAAE,YAAY,EAAE,KAAK,EAAE,IAAI,EAAE,MAAM,EAAE,IAAI,EAAE,CAAC;CAC3E,CAAC;AAGF,QAAQ,CAAC,YAAY,EAAE,GAAG,EAAE;IAC1B,EAAE,CAAC,qBAAqB,EAAE,GAAG,EAAE;QAC7B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,WAAW,CAAC,MAAM,EAAE,EAAE,CAAC,EAAE;YAC3C,MAAM,SAAS,GAAG,EAAE,CAAC,YAAY,CAAC,0CAA0C,GAAG,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;YAClG,aAAM,CAAC,eAAe,CAAC,IAAA,sBAAS,EAAC,SAAS,CAAC,EAAE,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;SACjE;IACH,CAAC,CAAC,CAAC;AACL,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/ImageAddon.js b/web/public/node_modules/@xterm/addon-image/out/ImageAddon.js
new file mode 100644
index 000000000..1080af190
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/ImageAddon.js
@@ -0,0 +1,261 @@
+"use strict";
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ImageAddon = void 0;
+const IIPHandler_1 = require("./IIPHandler");
+const ImageRenderer_1 = require("./ImageRenderer");
+const ImageStorage_1 = require("./ImageStorage");
+const SixelHandler_1 = require("./SixelHandler");
+// default values of addon ctor options
+const DEFAULT_OPTIONS = {
+    enableSizeReports: true,
+    pixelLimit: 16777216,
+    sixelSupport: true,
+    sixelScrolling: true,
+    sixelPaletteLimit: 256,
+    sixelSizeLimit: 25000000,
+    storageLimit: 128,
+    showPlaceholder: true,
+    iipSupport: true,
+    iipSizeLimit: 20000000
+};
+// max palette size supported by the sixel lib (compile time setting)
+const MAX_SIXEL_PALETTE_SIZE = 4096;
+class ImageAddon {
+    constructor(opts) {
+        this._disposables = [];
+        this._handlers = new Map();
+        this._opts = Object.assign({}, DEFAULT_OPTIONS, opts);
+        this._defaultOpts = Object.assign({}, DEFAULT_OPTIONS, opts);
+    }
+    dispose() {
+        for (const obj of this._disposables) {
+            obj.dispose();
+        }
+        this._disposables.length = 0;
+        this._handlers.clear();
+    }
+    _disposeLater(...args) {
+        for (const obj of args) {
+            this._disposables.push(obj);
+        }
+    }
+    activate(terminal) {
+        this._terminal = terminal;
+        // internal data structures
+        this._renderer = new ImageRenderer_1.ImageRenderer(terminal);
+        this._storage = new ImageStorage_1.ImageStorage(terminal, this._renderer, this._opts);
+        // enable size reports
+        if (this._opts.enableSizeReports) {
+            // const windowOptions = terminal.getOption('windowOptions');
+            // windowOptions.getWinSizePixels = true;
+            // windowOptions.getCellSizePixels = true;
+            // windowOptions.getWinSizeChars = true;
+            // terminal.setOption('windowOptions', windowOptions);
+            const windowOps = terminal.options.windowOptions || {};
+            windowOps.getWinSizePixels = true;
+            windowOps.getCellSizePixels = true;
+            windowOps.getWinSizeChars = true;
+            terminal.options.windowOptions = windowOps;
+        }
+        this._disposeLater(this._renderer, this._storage, 
+        // DECSET/DECRST/DA1/XTSMGRAPHICS handlers
+        terminal.parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this._decset(params)), terminal.parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this._decrst(params)), terminal.parser.registerCsiHandler({ final: 'c' }, params => this._da1(params)), terminal.parser.registerCsiHandler({ prefix: '?', final: 'S' }, params => this._xtermGraphicsAttributes(params)), 
+        // render hook
+        terminal.onRender(range => { var _a; return (_a = this._storage) === null || _a === void 0 ? void 0 : _a.render(range); }), 
+        /**
+         * reset handlers covered:
+         * - DECSTR
+         * - RIS
+         * - Terminal.reset()
+         */
+        terminal.parser.registerCsiHandler({ intermediates: '!', final: 'p' }, () => this.reset()), terminal.parser.registerEscHandler({ final: 'c' }, () => this.reset()), terminal._core._inputHandler.onRequestReset(() => this.reset()), 
+        // wipe canvas and delete alternate images on buffer switch
+        terminal.buffer.onBufferChange(() => { var _a; return (_a = this._storage) === null || _a === void 0 ? void 0 : _a.wipeAlternate(); }), 
+        // extend images to the right on resize
+        terminal.onResize(metrics => { var _a; return (_a = this._storage) === null || _a === void 0 ? void 0 : _a.viewportResize(metrics); }));
+        // SIXEL handler
+        if (this._opts.sixelSupport) {
+            const sixelHandler = new SixelHandler_1.SixelHandler(this._opts, this._storage, terminal);
+            this._handlers.set('sixel', sixelHandler);
+            this._disposeLater(terminal._core._inputHandler._parser.registerDcsHandler({ final: 'q' }, sixelHandler));
+        }
+        // iTerm IIP handler
+        if (this._opts.iipSupport) {
+            const iipHandler = new IIPHandler_1.IIPHandler(this._opts, this._renderer, this._storage, terminal);
+            this._handlers.set('iip', iipHandler);
+            this._disposeLater(terminal._core._inputHandler._parser.registerOscHandler(1337, iipHandler));
+        }
+    }
+    // Note: storageLimit is skipped here to not intoduce a surprising side effect.
+    reset() {
+        var _a;
+        // reset options customizable by sequences to defaults
+        this._opts.sixelScrolling = this._defaultOpts.sixelScrolling;
+        this._opts.sixelPaletteLimit = this._defaultOpts.sixelPaletteLimit;
+        // also clear image storage
+        (_a = this._storage) === null || _a === void 0 ? void 0 : _a.reset();
+        // reset protocol handlers
+        for (const handler of this._handlers.values()) {
+            handler.reset();
+        }
+        return false;
+    }
+    get storageLimit() {
+        var _a;
+        return ((_a = this._storage) === null || _a === void 0 ? void 0 : _a.getLimit()) || -1;
+    }
+    set storageLimit(limit) {
+        var _a;
+        (_a = this._storage) === null || _a === void 0 ? void 0 : _a.setLimit(limit);
+        this._opts.storageLimit = limit;
+    }
+    get storageUsage() {
+        if (this._storage) {
+            return this._storage.getUsage();
+        }
+        return -1;
+    }
+    get showPlaceholder() {
+        return this._opts.showPlaceholder;
+    }
+    set showPlaceholder(value) {
+        var _a;
+        this._opts.showPlaceholder = value;
+        (_a = this._renderer) === null || _a === void 0 ? void 0 : _a.showPlaceholder(value);
+    }
+    getImageAtBufferCell(x, y) {
+        var _a;
+        return (_a = this._storage) === null || _a === void 0 ? void 0 : _a.getImageAtBufferCell(x, y);
+    }
+    extractTileAtBufferCell(x, y) {
+        var _a;
+        return (_a = this._storage) === null || _a === void 0 ? void 0 : _a.extractTileAtBufferCell(x, y);
+    }
+    _report(s) {
+        var _a;
+        (_a = this._terminal) === null || _a === void 0 ? void 0 : _a._core.coreService.triggerDataEvent(s);
+    }
+    _decset(params) {
+        for (let i = 0; i < params.length; ++i) {
+            switch (params[i]) {
+                case 80:
+                    this._opts.sixelScrolling = false;
+                    break;
+            }
+        }
+        return false;
+    }
+    _decrst(params) {
+        for (let i = 0; i < params.length; ++i) {
+            switch (params[i]) {
+                case 80:
+                    this._opts.sixelScrolling = true;
+                    break;
+            }
+        }
+        return false;
+    }
+    // overload DA to return something more appropriate
+    _da1(params) {
+        if (params[0]) {
+            return true;
+        }
+        // reported features:
+        // 62 - VT220
+        // 4 - SIXEL support
+        // 9 - charsets
+        // 22 - ANSI colors
+        if (this._opts.sixelSupport) {
+            this._report(`\x1b[?62;4;9;22c`);
+            return true;
+        }
+        return false;
+    }
+    /**
+     * Implementation of xterm's graphics attribute sequence.
+     *
+     * Supported features:
+     * - read/change palette limits (max 4096 by sixel lib)
+     * - read SIXEL canvas geometry (reports current window canvas or
+     *   squared pixelLimit if canvas > pixel limit)
+     *
+     * Everything else is deactivated.
+     */
+    _xtermGraphicsAttributes(params) {
+        var _a, _b, _c, _d, _e, _f;
+        if (params.length < 2) {
+            return true;
+        }
+        if (params[0] === 1 /* GaItem.COLORS */) {
+            switch (params[1]) {
+                case 1 /* GaAction.READ */:
+                    this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${this._opts.sixelPaletteLimit}S`);
+                    return true;
+                case 2 /* GaAction.SET_DEFAULT */:
+                    this._opts.sixelPaletteLimit = this._defaultOpts.sixelPaletteLimit;
+                    this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${this._opts.sixelPaletteLimit}S`);
+                    // also reset protocol handlers for now
+                    for (const handler of this._handlers.values()) {
+                        handler.reset();
+                    }
+                    return true;
+                case 3 /* GaAction.SET */:
+                    if (params.length > 2 && !(params[2] instanceof Array) && params[2] <= MAX_SIXEL_PALETTE_SIZE) {
+                        this._opts.sixelPaletteLimit = params[2];
+                        this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${this._opts.sixelPaletteLimit}S`);
+                    }
+                    else {
+                        this._report(`\x1b[?${params[0]};${2 /* GaStatus.ACTION_ERROR */}S`);
+                    }
+                    return true;
+                case 4 /* GaAction.READ_MAX */:
+                    this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${MAX_SIXEL_PALETTE_SIZE}S`);
+                    return true;
+                default:
+                    this._report(`\x1b[?${params[0]};${2 /* GaStatus.ACTION_ERROR */}S`);
+                    return true;
+            }
+        }
+        if (params[0] === 2 /* GaItem.SIXEL_GEO */) {
+            switch (params[1]) {
+                // we only implement read and read_max here
+                case 1 /* GaAction.READ */:
+                    let width = (_b = (_a = this._renderer) === null || _a === void 0 ? void 0 : _a.dimensions) === null || _b === void 0 ? void 0 : _b.css.canvas.width;
+                    let height = (_d = (_c = this._renderer) === null || _c === void 0 ? void 0 : _c.dimensions) === null || _d === void 0 ? void 0 : _d.css.canvas.height;
+                    if (!width || !height) {
+                        // for some reason we have no working image renderer
+                        // --> fallback to default cell size
+                        const cellSize = ImageStorage_1.CELL_SIZE_DEFAULT;
+                        width = (((_e = this._terminal) === null || _e === void 0 ? void 0 : _e.cols) || 80) * cellSize.width;
+                        height = (((_f = this._terminal) === null || _f === void 0 ? void 0 : _f.rows) || 24) * cellSize.height;
+                    }
+                    if (width * height < this._opts.pixelLimit) {
+                        this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${width.toFixed(0)};${height.toFixed(0)}S`);
+                    }
+                    else {
+                        // if we overflow pixelLimit report that squared instead
+                        const x = Math.floor(Math.sqrt(this._opts.pixelLimit));
+                        this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${x};${x}S`);
+                    }
+                    return true;
+                case 4 /* GaAction.READ_MAX */:
+                    // read_max returns pixelLimit as square area
+                    const x = Math.floor(Math.sqrt(this._opts.pixelLimit));
+                    this._report(`\x1b[?${params[0]};${0 /* GaStatus.SUCCESS */};${x};${x}S`);
+                    return true;
+                default:
+                    this._report(`\x1b[?${params[0]};${2 /* GaStatus.ACTION_ERROR */}S`);
+                    return true;
+            }
+        }
+        // exit with error on ReGIS or any other requests
+        this._report(`\x1b[?${params[0]};${1 /* GaStatus.ITEM_ERROR */}S`);
+        return true;
+    }
+}
+exports.ImageAddon = ImageAddon;
+//# sourceMappingURL=ImageAddon.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/ImageAddon.js.map b/web/public/node_modules/@xterm/addon-image/out/ImageAddon.js.map
new file mode 100644
index 000000000..e4d561a68
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/ImageAddon.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"ImageAddon.js","sourceRoot":"","sources":["../src/ImageAddon.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAIH,6CAA0C;AAC1C,mDAAgD;AAChD,iDAAiE;AACjE,iDAA8C;AAG9C,uCAAuC;AACvC,MAAM,eAAe,GAAuB;IAC1C,iBAAiB,EAAE,IAAI;IACvB,UAAU,EAAE,QAAQ;IACpB,YAAY,EAAE,IAAI;IAClB,cAAc,EAAE,IAAI;IACpB,iBAAiB,EAAE,GAAG;IACtB,cAAc,EAAE,QAAQ;IACxB,YAAY,EAAE,GAAG;IACjB,eAAe,EAAE,IAAI;IACrB,UAAU,EAAE,IAAI;IAChB,YAAY,EAAE,QAAQ;CACvB,CAAC;AAEF,qEAAqE;AACrE,MAAM,sBAAsB,GAAG,IAAI,CAAC;AAsBpC,MAAa,UAAU;IASrB,YAAY,IAAkC;QAJtC,iBAAY,GAAkB,EAAE,CAAC;QAEjC,cAAS,GAA+B,IAAI,GAAG,EAAE,CAAC;QAGxD,IAAI,CAAC,KAAK,GAAG,MAAM,CAAC,MAAM,CAAC,EAAE,EAAE,eAAe,EAAE,IAAI,CAAC,CAAC;QACtD,IAAI,CAAC,YAAY,GAAG,MAAM,CAAC,MAAM,CAAC,EAAE,EAAE,eAAe,EAAE,IAAI,CAAC,CAAC;IAC/D,CAAC;IAEM,OAAO;QACZ,KAAK,MAAM,GAAG,IAAI,IAAI,CAAC,YAAY,EAAE;YACnC,GAAG,CAAC,OAAO,EAAE,CAAC;SACf;QACD,IAAI,CAAC,YAAY,CAAC,MAAM,GAAG,CAAC,CAAC;QAC7B,IAAI,CAAC,SAAS,CAAC,KAAK,EAAE,CAAC;IACzB,CAAC;IAEO,aAAa,CAAC,GAAG,IAAmB;QAC1C,KAAK,MAAM,GAAG,IAAI,IAAI,EAAE;YACtB,IAAI,CAAC,YAAY,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;SAC7B;IACH,CAAC;IAEM,QAAQ,CAAC,QAAsB;QACpC,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;QAE1B,2BAA2B;QAC3B,IAAI,CAAC,SAAS,GAAG,IAAI,6BAAa,CAAC,QAAQ,CAAC,CAAC;QAC7C,IAAI,CAAC,QAAQ,GAAG,IAAI,2BAAY,CAAC,QAAQ,EAAE,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,KAAK,CAAC,CAAC;QAEvE,sBAAsB;QACtB,IAAI,IAAI,CAAC,KAAK,CAAC,iBAAiB,EAAE;YAChC,6DAA6D;YAC7D,yCAAyC;YACzC,0CAA0C;YAC1C,wCAAwC;YACxC,sDAAsD;YACtD,MAAM,SAAS,GAAG,QAAQ,CAAC,OAAO,CAAC,aAAa,IAAI,EAAE,CAAC;YACvD,SAAS,CAAC,gBAAgB,GAAG,IAAI,CAAC;YAClC,SAAS,CAAC,iBAAiB,GAAG,IAAI,CAAC;YACnC,SAAS,CAAC,eAAe,GAAG,IAAI,CAAC;YACjC,QAAQ,CAAC,OAAO,CAAC,aAAa,GAAG,SAAS,CAAC;SAC5C;QAED,IAAI,CAAC,aAAa,CAChB,IAAI,CAAC,SAAS,EACd,IAAI,CAAC,QAAQ;QAEb,0CAA0C;QAC1C,QAAQ,CAAC,MAAM,CAAC,kBAAkB,CAAC,EAAE,MAAM,EAAE,GAAG,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,MAAM,CAAC,EAAE,CAAC,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,EAC/F,QAAQ,CAAC,MAAM,CAAC,kBAAkB,CAAC,EAAE,MAAM,EAAE,GAAG,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,MAAM,CAAC,EAAE,CAAC,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,EAC/F,QAAQ,CAAC,MAAM,CAAC,kBAAkB,CAAC,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,MAAM,CAAC,EAAE,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,EAC/E,QAAQ,CAAC,MAAM,CAAC,kBAAkB,CAAC,EAAE,MAAM,EAAE,GAAG,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,MAAM,CAAC,EAAE,CAAC,IAAI,CAAC,wBAAwB,CAAC,MAAM,CAAC,CAAC;QAEhH,cAAc;QACd,QAAQ,CAAC,QAAQ,CAAC,KAAK,CAAC,EAAE,WAAC,OAAA,MAAA,IAAI,CAAC,QAAQ,0CAAE,MAAM,CAAC,KAAK,CAAC,CAAA,EAAA,CAAC;QAExD;;;;;WAKG;QACH,QAAQ,CAAC,MAAM,CAAC,kBAAkB,CAAC,EAAE,aAAa,EAAE,GAAG,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,GAAG,EAAE,CAAC,IAAI,CAAC,KAAK,EAAE,CAAC,EAC1F,QAAQ,CAAC,MAAM,CAAC,kBAAkB,CAAC,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,GAAG,EAAE,CAAC,IAAI,CAAC,KAAK,EAAE,CAAC,EACtE,QAAQ,CAAC,KAAK,CAAC,aAAa,CAAC,cAAc,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,KAAK,EAAE,CAAC;QAE/D,2DAA2D;QAC3D,QAAQ,CAAC,MAAM,CAAC,cAAc,CAAC,GAAG,EAAE,WAAC,OAAA,MAAA,IAAI,CAAC,QAAQ,0CAAE,aAAa,EAAE,CAAA,EAAA,CAAC;QAEpE,uCAAuC;QACvC,QAAQ,CAAC,QAAQ,CAAC,OAAO,CAAC,EAAE,WAAC,OAAA,MAAA,IAAI,CAAC,QAAQ,0CAAE,cAAc,CAAC,OAAO,CAAC,CAAA,EAAA,CAAC,CACrE,CAAC;QAEF,gBAAgB;QAChB,IAAI,IAAI,CAAC,KAAK,CAAC,YAAY,EAAE;YAC3B,MAAM,YAAY,GAAG,IAAI,2BAAY,CAAC,IAAI,CAAC,KAAK,EAAE,IAAI,CAAC,QAAS,EAAE,QAAQ,CAAC,CAAC;YAC5E,IAAI,CAAC,SAAS,CAAC,GAAG,CAAC,OAAO,EAAE,YAAY,CAAC,CAAC;YAC1C,IAAI,CAAC,aAAa,CAChB,QAAQ,CAAC,KAAK,CAAC,aAAa,CAAC,OAAO,CAAC,kBAAkB,CAAC,EAAE,KAAK,EAAE,GAAG,EAAE,EAAE,YAAY,CAAC,CACtF,CAAC;SACH;QAED,oBAAoB;QACpB,IAAI,IAAI,CAAC,KAAK,CAAC,UAAU,EAAE;YACzB,MAAM,UAAU,GAAG,IAAI,uBAAU,CAAC,IAAI,CAAC,KAAK,EAAE,IAAI,CAAC,SAAU,EAAE,IAAI,CAAC,QAAS,EAAE,QAAQ,CAAC,CAAC;YACzF,IAAI,CAAC,SAAS,CAAC,GAAG,CAAC,KAAK,EAAE,UAAU,CAAC,CAAC;YACtC,IAAI,CAAC,aAAa,CAChB,QAAQ,CAAC,KAAK,CAAC,aAAa,CAAC,OAAO,CAAC,kBAAkB,CAAC,IAAI,EAAE,UAAU,CAAC,CAC1E,CAAC;SACH;IACH,CAAC;IAED,+EAA+E;IACxE,KAAK;;QACV,sDAAsD;QACtD,IAAI,CAAC,KAAK,CAAC,cAAc,GAAG,IAAI,CAAC,YAAY,CAAC,cAAc,CAAC;QAC7D,IAAI,CAAC,KAAK,CAAC,iBAAiB,GAAG,IAAI,CAAC,YAAY,CAAC,iBAAiB,CAAC;QACnE,2BAA2B;QAC3B,MAAA,IAAI,CAAC,QAAQ,0CAAE,KAAK,EAAE,CAAC;QACvB,0BAA0B;QAC1B,KAAK,MAAM,OAAO,IAAI,IAAI,CAAC,SAAS,CAAC,MAAM,EAAE,EAAE;YAC7C,OAAO,CAAC,KAAK,EAAE,CAAC;SACjB;QACD,OAAO,KAAK,CAAC;IACf,CAAC;IAED,IAAW,YAAY;;QACrB,OAAO,CAAA,MAAA,IAAI,CAAC,QAAQ,0CAAE,QAAQ,EAAE,KAAI,CAAC,CAAC,CAAC;IACzC,CAAC;IAED,IAAW,YAAY,CAAC,KAAa;;QACnC,MAAA,IAAI,CAAC,QAAQ,0CAAE,QAAQ,CAAC,KAAK,CAAC,CAAC;QAC/B,IAAI,CAAC,KAAK,CAAC,YAAY,GAAG,KAAK,CAAC;IAClC,CAAC;IAED,IAAW,YAAY;QACrB,IAAI,IAAI,CAAC,QAAQ,EAAE;YACjB,OAAO,IAAI,CAAC,QAAQ,CAAC,QAAQ,EAAE,CAAC;SACjC;QACD,OAAO,CAAC,CAAC,CAAC;IACZ,CAAC;IAED,IAAW,eAAe;QACxB,OAAO,IAAI,CAAC,KAAK,CAAC,eAAe,CAAC;IACpC,CAAC;IAED,IAAW,eAAe,CAAC,KAAc;;QACvC,IAAI,CAAC,KAAK,CAAC,eAAe,GAAG,KAAK,CAAC;QACnC,MAAA,IAAI,CAAC,SAAS,0CAAE,eAAe,CAAC,KAAK,CAAC,CAAC;IACzC,CAAC;IAEM,oBAAoB,CAAC,CAAS,EAAE,CAAS;;QAC9C,OAAO,MAAA,IAAI,CAAC,QAAQ,0CAAE,oBAAoB,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;IACnD,CAAC;IAEM,uBAAuB,CAAC,CAAS,EAAE,CAAS;;QACjD,OAAO,MAAA,IAAI,CAAC,QAAQ,0CAAE,uBAAuB,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;IACtD,CAAC;IAEO,OAAO,CAAC,CAAS;;QACvB,MAAA,IAAI,CAAC,SAAS,0CAAE,KAAK,CAAC,WAAW,CAAC,gBAAgB,CAAC,CAAC,CAAC,CAAC;IACxD,CAAC;IAEO,OAAO,CAAC,MAA6B;QAC3C,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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/ImageRenderer.js b/web/public/node_modules/@xterm/addon-image/out/ImageRenderer.js
new file mode 100644
index 000000000..86d3c8395
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/ImageRenderer.js
@@ -0,0 +1,330 @@
+"use strict";
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ImageRenderer = void 0;
+const Colors_1 = require("sixel/lib/Colors");
+const Lifecycle_1 = require("common/Lifecycle");
+const PLACEHOLDER_LENGTH = 4096;
+const PLACEHOLDER_HEIGHT = 24;
+/**
+ * ImageRenderer - terminal frontend extension:
+ * - provide primitives for canvas, ImageData, Bitmap (static)
+ * - add canvas layer to DOM (browser only for now)
+ * - draw image tiles onRender
+ */
+class ImageRenderer extends Lifecycle_1.Disposable {
+    // drawing primitive - canvas
+    static createCanvas(localDocument, width, height) {
+        /**
+         * NOTE: We normally dont care, from which document the canvas
+         * gets created, so we can fall back to global document,
+         * if the terminal has no document associated yet.
+         * This way early image loads before calling .open keep working
+         * (still discouraged though, as the metrics will be screwed up).
+         * Only the DOM output canvas should be on the terminal's document,
+         * which gets explicitly checked in `insertLayerToDom`.
+         */
+        const canvas = (localDocument || document).createElement('canvas');
+        canvas.width = width | 0;
+        canvas.height = height | 0;
+        return canvas;
+    }
+    // drawing primitive - ImageData with optional buffer
+    static createImageData(ctx, width, height, buffer) {
+        if (typeof ImageData !== 'function') {
+            const imgData = ctx.createImageData(width, height);
+            if (buffer) {
+                imgData.data.set(new Uint8ClampedArray(buffer, 0, width * height * 4));
+            }
+            return imgData;
+        }
+        return buffer
+            ? new ImageData(new Uint8ClampedArray(buffer, 0, width * height * 4), width, height)
+            : new ImageData(width, height);
+    }
+    // drawing primitive - ImageBitmap
+    static createImageBitmap(img) {
+        if (typeof createImageBitmap !== 'function') {
+            return Promise.resolve(undefined);
+        }
+        return createImageBitmap(img);
+    }
+    constructor(_terminal) {
+        super();
+        this._terminal = _terminal;
+        this._optionsRefresh = this.register(new Lifecycle_1.MutableDisposable());
+        this._oldOpen = this._terminal._core.open;
+        this._terminal._core.open = (parent) => {
+            var _a;
+            (_a = this._oldOpen) === null || _a === void 0 ? void 0 : _a.call(this._terminal._core, parent);
+            this._open();
+        };
+        if (this._terminal._core.screenElement) {
+            this._open();
+        }
+        // hack to spot fontSize changes
+        this._optionsRefresh.value = this._terminal._core.optionsService.onOptionChange(option => {
+            var _a;
+            if (option === 'fontSize') {
+                this.rescaleCanvas();
+                (_a = this._renderService) === null || _a === void 0 ? void 0 : _a.refreshRows(0, this._terminal.rows);
+            }
+        });
+        this.register((0, Lifecycle_1.toDisposable)(() => {
+            var _a;
+            this.removeLayerFromDom();
+            if (this._terminal._core && this._oldOpen) {
+                this._terminal._core.open = this._oldOpen;
+                this._oldOpen = undefined;
+            }
+            if (this._renderService && this._oldSetRenderer) {
+                this._renderService.setRenderer = this._oldSetRenderer;
+                this._oldSetRenderer = undefined;
+            }
+            this._renderService = undefined;
+            this.canvas = undefined;
+            this._ctx = undefined;
+            (_a = this._placeholderBitmap) === null || _a === void 0 ? void 0 : _a.close();
+            this._placeholderBitmap = undefined;
+            this._placeholder = undefined;
+        }));
+    }
+    /**
+     * Enable the placeholder.
+     */
+    showPlaceholder(value) {
+        var _a, _b;
+        if (value) {
+            if (!this._placeholder && this.cellSize.height !== -1) {
+                this._createPlaceHolder(Math.max(this.cellSize.height + 1, PLACEHOLDER_HEIGHT));
+            }
+        }
+        else {
+            (_a = this._placeholderBitmap) === null || _a === void 0 ? void 0 : _a.close();
+            this._placeholderBitmap = undefined;
+            this._placeholder = undefined;
+        }
+        (_b = this._renderService) === null || _b === void 0 ? void 0 : _b.refreshRows(0, this._terminal.rows);
+    }
+    /**
+     * Dimensions of the terminal.
+     * Forwarded from internal render service.
+     */
+    get dimensions() {
+        var _a;
+        return (_a = this._renderService) === null || _a === void 0 ? void 0 : _a.dimensions;
+    }
+    /**
+     * Current cell size (float).
+     */
+    get cellSize() {
+        var _a, _b;
+        return {
+            width: ((_a = this.dimensions) === null || _a === void 0 ? void 0 : _a.css.cell.width) || -1,
+            height: ((_b = this.dimensions) === null || _b === void 0 ? void 0 : _b.css.cell.height) || -1
+        };
+    }
+    /**
+     * Clear a region of the image layer canvas.
+     */
+    clearLines(start, end) {
+        var _a, _b, _c, _d;
+        (_a = this._ctx) === null || _a === void 0 ? void 0 : _a.clearRect(0, start * (((_b = this.dimensions) === null || _b === void 0 ? void 0 : _b.css.cell.height) || 0), ((_c = this.dimensions) === null || _c === void 0 ? void 0 : _c.css.canvas.width) || 0, (++end - start) * (((_d = this.dimensions) === null || _d === void 0 ? void 0 : _d.css.cell.height) || 0));
+    }
+    /**
+     * Clear whole image canvas.
+     */
+    clearAll() {
+        var _a, _b, _c;
+        (_a = this._ctx) === null || _a === void 0 ? void 0 : _a.clearRect(0, 0, ((_b = this.canvas) === null || _b === void 0 ? void 0 : _b.width) || 0, ((_c = this.canvas) === null || _c === void 0 ? void 0 : _c.height) || 0);
+    }
+    /**
+     * Draw neighboring tiles on the image layer canvas.
+     */
+    draw(imgSpec, tileId, col, row, count = 1) {
+        if (!this._ctx) {
+            return;
+        }
+        const { width, height } = this.cellSize;
+        // Don't try to draw anything, if we cannot get valid renderer metrics.
+        if (width === -1 || height === -1) {
+            return;
+        }
+        this._rescaleImage(imgSpec, width, height);
+        const img = imgSpec.actual;
+        const cols = Math.ceil(img.width / width);
+        const sx = (tileId % cols) * width;
+        const sy = Math.floor(tileId / cols) * height;
+        const dx = col * width;
+        const dy = row * height;
+        // safari bug: never access image source out of bounds
+        const finalWidth = count * width + sx > img.width ? img.width - sx : count * width;
+        const finalHeight = sy + height > img.height ? img.height - sy : height;
+        // Floor all pixel offsets to get stable tile mapping without any overflows.
+        // Note: For not pixel perfect aligned cells like in the DOM renderer
+        // this will move a tile slightly to the top/left (subpixel range, thus ignore it).
+        // FIX #34: avoid striping on displays with pixelDeviceRatio != 1 by ceiling height and width
+        this._ctx.drawImage(img, Math.floor(sx), Math.floor(sy), Math.ceil(finalWidth), Math.ceil(finalHeight), Math.floor(dx), Math.floor(dy), Math.ceil(finalWidth), Math.ceil(finalHeight));
+    }
+    /**
+     * Extract a single tile from an image.
+     */
+    extractTile(imgSpec, tileId) {
+        const { width, height } = this.cellSize;
+        // Don't try to draw anything, if we cannot get valid renderer metrics.
+        if (width === -1 || height === -1) {
+            return;
+        }
+        this._rescaleImage(imgSpec, width, height);
+        const img = imgSpec.actual;
+        const cols = Math.ceil(img.width / width);
+        const sx = (tileId % cols) * width;
+        const sy = Math.floor(tileId / cols) * height;
+        const finalWidth = width + sx > img.width ? img.width - sx : width;
+        const finalHeight = sy + height > img.height ? img.height - sy : height;
+        const canvas = ImageRenderer.createCanvas(this.document, finalWidth, finalHeight);
+        const ctx = canvas.getContext('2d');
+        if (ctx) {
+            ctx.drawImage(img, Math.floor(sx), Math.floor(sy), Math.floor(finalWidth), Math.floor(finalHeight), 0, 0, Math.floor(finalWidth), Math.floor(finalHeight));
+            return canvas;
+        }
+    }
+    /**
+     * Draw a line with placeholder on the image layer canvas.
+     */
+    drawPlaceholder(col, row, count = 1) {
+        if (this._ctx) {
+            const { width, height } = this.cellSize;
+            // Don't try to draw anything, if we cannot get valid renderer metrics.
+            if (width === -1 || height === -1) {
+                return;
+            }
+            if (!this._placeholder) {
+                this._createPlaceHolder(Math.max(height + 1, PLACEHOLDER_HEIGHT));
+            }
+            else if (height >= this._placeholder.height) {
+                this._createPlaceHolder(height + 1);
+            }
+            if (!this._placeholder)
+                return;
+            this._ctx.drawImage(this._placeholderBitmap || this._placeholder, col * width, (row * height) % 2 ? 0 : 1, // needs %2 offset correction
+            width * count, height, col * width, row * height, width * count, height);
+        }
+    }
+    /**
+     * Rescale image layer canvas if needed.
+     * Checked once from `ImageStorage.render`.
+     */
+    rescaleCanvas() {
+        if (!this.canvas) {
+            return;
+        }
+        if (this.canvas.width !== this.dimensions.css.canvas.width || this.canvas.height !== this.dimensions.css.canvas.height) {
+            this.canvas.width = this.dimensions.css.canvas.width || 0;
+            this.canvas.height = this.dimensions.css.canvas.height || 0;
+        }
+    }
+    /**
+     * Rescale image in storage if needed.
+     */
+    _rescaleImage(spec, currentWidth, currentHeight) {
+        if (currentWidth === spec.actualCellSize.width && currentHeight === spec.actualCellSize.height) {
+            return;
+        }
+        const { width: originalWidth, height: originalHeight } = spec.origCellSize;
+        if (currentWidth === originalWidth && currentHeight === originalHeight) {
+            spec.actual = spec.orig;
+            spec.actualCellSize.width = originalWidth;
+            spec.actualCellSize.height = originalHeight;
+            return;
+        }
+        const canvas = ImageRenderer.createCanvas(this.document, Math.ceil(spec.orig.width * currentWidth / originalWidth), Math.ceil(spec.orig.height * currentHeight / originalHeight));
+        const ctx = canvas.getContext('2d');
+        if (ctx) {
+            ctx.drawImage(spec.orig, 0, 0, canvas.width, canvas.height);
+            spec.actual = canvas;
+            spec.actualCellSize.width = currentWidth;
+            spec.actualCellSize.height = currentHeight;
+        }
+    }
+    /**
+     * Lazy init for the renderer.
+     */
+    _open() {
+        this._renderService = this._terminal._core._renderService;
+        this._oldSetRenderer = this._renderService.setRenderer.bind(this._renderService);
+        this._renderService.setRenderer = (renderer) => {
+            var _a;
+            this.removeLayerFromDom();
+            (_a = this._oldSetRenderer) === null || _a === void 0 ? void 0 : _a.call(this._renderService, renderer);
+        };
+    }
+    insertLayerToDom() {
+        var _a, _b;
+        // make sure that the terminal is attached to a document and to DOM
+        if (this.document && this._terminal._core.screenElement) {
+            if (!this.canvas) {
+                this.canvas = ImageRenderer.createCanvas(this.document, ((_a = this.dimensions) === null || _a === void 0 ? void 0 : _a.css.canvas.width) || 0, ((_b = this.dimensions) === null || _b === void 0 ? void 0 : _b.css.canvas.height) || 0);
+                this.canvas.classList.add('xterm-image-layer');
+                this._terminal._core.screenElement.appendChild(this.canvas);
+                this._ctx = this.canvas.getContext('2d', { alpha: true, desynchronized: true });
+                this.clearAll();
+            }
+        }
+        else {
+            console.warn('image addon: cannot insert output canvas to DOM, missing document or screenElement');
+        }
+    }
+    removeLayerFromDom() {
+        if (this.canvas) {
+            this._ctx = undefined;
+            this.canvas.remove();
+            this.canvas = undefined;
+        }
+    }
+    _createPlaceHolder(height = PLACEHOLDER_HEIGHT) {
+        var _a;
+        (_a = this._placeholderBitmap) === null || _a === void 0 ? void 0 : _a.close();
+        this._placeholderBitmap = undefined;
+        // create blueprint to fill placeholder with
+        const bWidth = 32; // must be 2^n
+        const blueprint = ImageRenderer.createCanvas(this.document, bWidth, height);
+        const ctx = blueprint.getContext('2d', { alpha: false });
+        if (!ctx)
+            return;
+        const imgData = ImageRenderer.createImageData(ctx, bWidth, height);
+        const d32 = new Uint32Array(imgData.data.buffer);
+        const black = (0, Colors_1.toRGBA8888)(0, 0, 0);
+        const white = (0, Colors_1.toRGBA8888)(255, 255, 255);
+        d32.fill(black);
+        for (let y = 0; y < height; ++y) {
+            const shift = y % 2;
+            const offset = y * bWidth;
+            for (let x = 0; x < bWidth; x += 2) {
+                d32[offset + x + shift] = white;
+            }
+        }
+        ctx.putImageData(imgData, 0, 0);
+        // create placeholder line, width aligned to blueprint width
+        const width = (screen.width + bWidth - 1) & ~(bWidth - 1) || PLACEHOLDER_LENGTH;
+        this._placeholder = ImageRenderer.createCanvas(this.document, width, height);
+        const ctx2 = this._placeholder.getContext('2d', { alpha: false });
+        if (!ctx2) {
+            this._placeholder = undefined;
+            return;
+        }
+        for (let i = 0; i < width; i += bWidth) {
+            ctx2.drawImage(blueprint, i, 0);
+        }
+        ImageRenderer.createImageBitmap(this._placeholder).then(bitmap => this._placeholderBitmap = bitmap);
+    }
+    get document() {
+        var _a;
+        return (_a = this._terminal._core._coreBrowserService) === null || _a === void 0 ? void 0 : _a.window.document;
+    }
+}
+exports.ImageRenderer = ImageRenderer;
+//# sourceMappingURL=ImageRenderer.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/ImageRenderer.js.map b/web/public/node_modules/@xterm/addon-image/out/ImageRenderer.js.map
new file mode 100644
index 000000000..18c5456eb
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/ImageRenderer.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/ImageStorage.js b/web/public/node_modules/@xterm/addon-image/out/ImageStorage.js
new file mode 100644
index 000000000..1ab698cd5
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/ImageStorage.js
@@ -0,0 +1,563 @@
+"use strict";
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ImageStorage = exports.CELL_SIZE_DEFAULT = void 0;
+const ImageRenderer_1 = require("./ImageRenderer");
+// fallback default cell size
+exports.CELL_SIZE_DEFAULT = {
+    width: 7,
+    height: 14
+};
+/**
+ * Extend extended attribute to also hold image tile information.
+ *
+ * Object definition is copied from base repo to fully mimick its behavior.
+ * Image data is added as additional public properties `imageId` and `tileId`.
+ */
+class ExtendedAttrsImage {
+    get ext() {
+        if (this._urlId) {
+            return ((this._ext & ~469762048 /* ExtFlags.UNDERLINE_STYLE */) |
+                (this.underlineStyle << 26));
+        }
+        return this._ext;
+    }
+    set ext(value) { this._ext = value; }
+    get underlineStyle() {
+        // Always return the URL style if it has one
+        if (this._urlId) {
+            return 5 /* UnderlineStyle.DASHED */;
+        }
+        return (this._ext & 469762048 /* ExtFlags.UNDERLINE_STYLE */) >> 26;
+    }
+    set underlineStyle(value) {
+        this._ext &= ~469762048 /* ExtFlags.UNDERLINE_STYLE */;
+        this._ext |= (value << 26) & 469762048 /* ExtFlags.UNDERLINE_STYLE */;
+    }
+    get underlineColor() {
+        return this._ext & (50331648 /* Attributes.CM_MASK */ | 16777215 /* Attributes.RGB_MASK */);
+    }
+    set underlineColor(value) {
+        this._ext &= ~(50331648 /* Attributes.CM_MASK */ | 16777215 /* Attributes.RGB_MASK */);
+        this._ext |= value & (50331648 /* Attributes.CM_MASK */ | 16777215 /* Attributes.RGB_MASK */);
+    }
+    get underlineVariantOffset() {
+        const val = (this._ext & 3758096384 /* ExtFlags.VARIANT_OFFSET */) >> 29;
+        if (val < 0) {
+            return val ^ 0xFFFFFFF8;
+        }
+        return val;
+    }
+    set underlineVariantOffset(value) {
+        this._ext &= ~3758096384 /* ExtFlags.VARIANT_OFFSET */;
+        this._ext |= (value << 29) & 3758096384 /* ExtFlags.VARIANT_OFFSET */;
+    }
+    get urlId() {
+        return this._urlId;
+    }
+    set urlId(value) {
+        this._urlId = value;
+    }
+    constructor(ext = 0, urlId = 0, imageId = -1, tileId = -1) {
+        this.imageId = imageId;
+        this.tileId = tileId;
+        this._ext = 0;
+        this._urlId = 0;
+        this._ext = ext;
+        this._urlId = urlId;
+    }
+    clone() {
+        /**
+         * Technically we dont need a clone variant of ExtendedAttrsImage,
+         * as we never clone a cell holding image data.
+         * Note: Clone is only meant to be used by the InputHandler for
+         * sticky attributes, which is never the case for image data.
+         * We still provide a proper clone method to reflect the full ext attr
+         * state in case there are future use cases for clone.
+         */
+        return new ExtendedAttrsImage(this._ext, this._urlId, this.imageId, this.tileId);
+    }
+    isEmpty() {
+        return this.underlineStyle === 0 /* UnderlineStyle.NONE */ && this._urlId === 0 && this.imageId === -1;
+    }
+}
+const EMPTY_ATTRS = new ExtendedAttrsImage();
+/**
+ * ImageStorage - extension of CoreTerminal:
+ * - hold image data
+ * - write/read image data to/from buffer
+ *
+ * TODO: image composition for overwrites
+ */
+class ImageStorage {
+    constructor(_terminal, _renderer, _opts) {
+        this._terminal = _terminal;
+        this._renderer = _renderer;
+        this._opts = _opts;
+        // storage
+        this._images = new Map();
+        // last used id
+        this._lastId = 0;
+        // last evicted id
+        this._lowestId = 0;
+        // whether a full clear happened before
+        this._fullyCleared = false;
+        // whether render should do a full clear
+        this._needsFullClear = false;
+        // hard limit of stored pixels (fallback limit of 10 MB)
+        this._pixelLimit = 2500000;
+        try {
+            this.setLimit(this._opts.storageLimit);
+        }
+        catch (e) {
+            console.error(e.message);
+            console.warn(`storageLimit is set to ${this.getLimit()} MB`);
+        }
+        this._viewportMetrics = {
+            cols: this._terminal.cols,
+            rows: this._terminal.rows
+        };
+    }
+    dispose() {
+        this.reset();
+    }
+    reset() {
+        var _a;
+        for (const spec of this._images.values()) {
+            (_a = spec.marker) === null || _a === void 0 ? void 0 : _a.dispose();
+        }
+        // NOTE: marker.dispose above already calls ImageBitmap.close
+        // therefore we can just wipe the map here
+        this._images.clear();
+        this._renderer.clearAll();
+    }
+    getLimit() {
+        return this._pixelLimit * 4 / 1000000;
+    }
+    setLimit(value) {
+        if (value < 0.5 || value > 1000) {
+            throw RangeError('invalid storageLimit, should be at least 0.5 MB and not exceed 1G');
+        }
+        this._pixelLimit = (value / 4 * 1000000) >>> 0;
+        this._evictOldest(0);
+    }
+    getUsage() {
+        return this._getStoredPixels() * 4 / 1000000;
+    }
+    _getStoredPixels() {
+        let storedPixels = 0;
+        for (const spec of this._images.values()) {
+            if (spec.orig) {
+                storedPixels += spec.orig.width * spec.orig.height;
+                if (spec.actual && spec.actual !== spec.orig) {
+                    storedPixels += spec.actual.width * spec.actual.height;
+                }
+            }
+        }
+        return storedPixels;
+    }
+    _delImg(id) {
+        const spec = this._images.get(id);
+        this._images.delete(id);
+        // FIXME: really ugly workaround to get bitmaps deallocated :(
+        if (spec && window.ImageBitmap && spec.orig instanceof ImageBitmap) {
+            spec.orig.close();
+        }
+    }
+    /**
+     * Wipe canvas and images on alternate buffer.
+     */
+    wipeAlternate() {
+        var _a;
+        // remove all alternate tagged images
+        const zero = [];
+        for (const [id, spec] of this._images.entries()) {
+            if (spec.bufferType === 'alternate') {
+                (_a = spec.marker) === null || _a === void 0 ? void 0 : _a.dispose();
+                zero.push(id);
+            }
+        }
+        for (const id of zero) {
+            this._delImg(id);
+        }
+        // mark canvas to be wiped on next render
+        this._needsFullClear = true;
+        this._fullyCleared = false;
+    }
+    /**
+     * Only advance text cursor.
+     * This is an edge case from empty sixels carrying only a height but no pixels.
+     * Partially fixes https://github.com/jerch/xterm-addon-image/issues/37.
+     */
+    advanceCursor(height) {
+        if (this._opts.sixelScrolling) {
+            let cellSize = this._renderer.cellSize;
+            if (cellSize.width === -1 || cellSize.height === -1) {
+                cellSize = exports.CELL_SIZE_DEFAULT;
+            }
+            const rows = Math.ceil(height / cellSize.height);
+            for (let i = 1; i < rows; ++i) {
+                this._terminal._core._inputHandler.lineFeed();
+            }
+        }
+    }
+    /**
+     * Method to add an image to the storage.
+     */
+    addImage(img) {
+        var _a;
+        // never allow storage to exceed memory limit
+        this._evictOldest(img.width * img.height);
+        // calc rows x cols needed to display the image
+        let cellSize = this._renderer.cellSize;
+        if (cellSize.width === -1 || cellSize.height === -1) {
+            cellSize = exports.CELL_SIZE_DEFAULT;
+        }
+        const cols = Math.ceil(img.width / cellSize.width);
+        const rows = Math.ceil(img.height / cellSize.height);
+        const imageId = ++this._lastId;
+        const buffer = this._terminal._core.buffer;
+        const termCols = this._terminal.cols;
+        const termRows = this._terminal.rows;
+        const originX = buffer.x;
+        const originY = buffer.y;
+        let offset = originX;
+        let tileCount = 0;
+        if (!this._opts.sixelScrolling) {
+            buffer.x = 0;
+            buffer.y = 0;
+            offset = 0;
+        }
+        this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);
+        for (let row = 0; row < rows; ++row) {
+            const line = buffer.lines.get(buffer.y + buffer.ybase);
+            for (let col = 0; col < cols; ++col) {
+                if (offset + col >= termCols)
+                    break;
+                this._writeToCell(line, offset + col, imageId, row * cols + col);
+                tileCount++;
+            }
+            if (this._opts.sixelScrolling) {
+                if (row < rows - 1)
+                    this._terminal._core._inputHandler.lineFeed();
+            }
+            else {
+                if (++buffer.y >= termRows)
+                    break;
+            }
+            buffer.x = offset;
+        }
+        this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);
+        // cursor positioning modes
+        if (this._opts.sixelScrolling) {
+            buffer.x = offset;
+        }
+        else {
+            buffer.x = originX;
+            buffer.y = originY;
+        }
+        // deleted images with zero tile count
+        const zero = [];
+        for (const [id, spec] of this._images.entries()) {
+            if (spec.tileCount < 1) {
+                (_a = spec.marker) === null || _a === void 0 ? void 0 : _a.dispose();
+                zero.push(id);
+            }
+        }
+        for (const id of zero) {
+            this._delImg(id);
+        }
+        // eviction marker:
+        // delete the image when the marker gets disposed
+        const endMarker = this._terminal.registerMarker(0);
+        endMarker === null || endMarker === void 0 ? void 0 : endMarker.onDispose(() => {
+            const spec = this._images.get(imageId);
+            if (spec) {
+                this._delImg(imageId);
+            }
+        });
+        // since markers do not work on alternate for some reason,
+        // we evict images here manually
+        if (this._terminal.buffer.active.type === 'alternate') {
+            this._evictOnAlternate();
+        }
+        // create storage entry
+        const imgSpec = {
+            orig: img,
+            origCellSize: cellSize,
+            actual: img,
+            actualCellSize: Object.assign({}, cellSize),
+            marker: endMarker || undefined,
+            tileCount,
+            bufferType: this._terminal.buffer.active.type
+        };
+        // finally add the image
+        this._images.set(imageId, imgSpec);
+    }
+    /**
+     * Render method. Collects buffer information and triggers
+     * canvas updates.
+     */
+    // TODO: Should we move this to the ImageRenderer?
+    render(range) {
+        // setup image canvas in case we have none yet, but have images in store
+        if (!this._renderer.canvas && this._images.size) {
+            this._renderer.insertLayerToDom();
+            // safety measure - in case we cannot spawn a canvas at all, just exit
+            if (!this._renderer.canvas) {
+                return;
+            }
+        }
+        // rescale if needed
+        this._renderer.rescaleCanvas();
+        // exit early if we dont have any images to test for
+        if (!this._images.size) {
+            if (!this._fullyCleared) {
+                this._renderer.clearAll();
+                this._fullyCleared = true;
+                this._needsFullClear = false;
+            }
+            if (this._renderer.canvas) {
+                this._renderer.removeLayerFromDom();
+            }
+            return;
+        }
+        // buffer switches force a full clear
+        if (this._needsFullClear) {
+            this._renderer.clearAll();
+            this._fullyCleared = true;
+            this._needsFullClear = false;
+        }
+        const { start, end } = range;
+        const buffer = this._terminal._core.buffer;
+        const cols = this._terminal._core.cols;
+        // clear drawing area
+        this._renderer.clearLines(start, end);
+        // walk all cells in viewport and draw tiles found
+        for (let row = start; row <= end; ++row) {
+            const line = buffer.lines.get(row + buffer.ydisp);
+            if (!line)
+                return;
+            for (let col = 0; col < cols; ++col) {
+                if (line.getBg(col) & 268435456 /* BgFlags.HAS_EXTENDED */) {
+                    let e = line._extendedAttrs[col] || EMPTY_ATTRS;
+                    const imageId = e.imageId;
+                    if (imageId === undefined || imageId === -1) {
+                        continue;
+                    }
+                    const imgSpec = this._images.get(imageId);
+                    if (e.tileId !== -1) {
+                        const startTile = e.tileId;
+                        const startCol = col;
+                        let count = 1;
+                        /**
+                         * merge tiles to the right into a single draw call, if:
+                         * - not at end of line
+                         * - cell has same image id
+                         * - cell has consecutive tile id
+                         */
+                        while (++col < cols
+                            && (line.getBg(col) & 268435456 /* BgFlags.HAS_EXTENDED */)
+                            && (e = line._extendedAttrs[col] || EMPTY_ATTRS)
+                            && (e.imageId === imageId)
+                            && (e.tileId === startTile + count)) {
+                            count++;
+                        }
+                        col--;
+                        if (imgSpec) {
+                            if (imgSpec.actual) {
+                                this._renderer.draw(imgSpec, startTile, startCol, row, count);
+                            }
+                        }
+                        else if (this._opts.showPlaceholder) {
+                            this._renderer.drawPlaceholder(startCol, row, count);
+                        }
+                        this._fullyCleared = false;
+                    }
+                }
+            }
+        }
+    }
+    viewportResize(metrics) {
+        var _a;
+        // exit early if we have nothing in storage
+        if (!this._images.size) {
+            this._viewportMetrics = metrics;
+            return;
+        }
+        // handle only viewport width enlargements, exit all other cases
+        // TODO: needs patch for tile counter
+        if (this._viewportMetrics.cols >= metrics.cols) {
+            this._viewportMetrics = metrics;
+            return;
+        }
+        // walk scrollbuffer at old col width to find all possible expansion matches
+        const buffer = this._terminal._core.buffer;
+        const rows = buffer.lines.length;
+        const oldCol = this._viewportMetrics.cols - 1;
+        for (let row = 0; row < rows; ++row) {
+            const line = buffer.lines.get(row);
+            if (line.getBg(oldCol) & 268435456 /* BgFlags.HAS_EXTENDED */) {
+                const e = line._extendedAttrs[oldCol] || EMPTY_ATTRS;
+                const imageId = e.imageId;
+                if (imageId === undefined || imageId === -1) {
+                    continue;
+                }
+                const imgSpec = this._images.get(imageId);
+                if (!imgSpec) {
+                    continue;
+                }
+                // found an image tile at oldCol, check if it qualifies for right exapansion
+                const tilesPerRow = Math.ceil((((_a = imgSpec.actual) === null || _a === void 0 ? void 0 : _a.width) || 0) / imgSpec.actualCellSize.width);
+                if ((e.tileId % tilesPerRow) + 1 >= tilesPerRow) {
+                    continue;
+                }
+                // expand only if right side is empty (nothing got wrapped from below)
+                let hasData = false;
+                for (let rightCol = oldCol + 1; rightCol > metrics.cols; ++rightCol) {
+                    if (line._data[rightCol * 3 /* Cell.SIZE */ + 0 /* Cell.CONTENT */] & 4194303 /* Content.HAS_CONTENT_MASK */) {
+                        hasData = true;
+                        break;
+                    }
+                }
+                if (hasData) {
+                    continue;
+                }
+                // do right expansion on terminal buffer
+                const end = Math.min(metrics.cols, tilesPerRow - (e.tileId % tilesPerRow) + oldCol);
+                let lastTile = e.tileId;
+                for (let expandCol = oldCol + 1; expandCol < end; ++expandCol) {
+                    this._writeToCell(line, expandCol, imageId, ++lastTile);
+                    imgSpec.tileCount++;
+                }
+            }
+        }
+        // store new viewport metrics
+        this._viewportMetrics = metrics;
+    }
+    /**
+     * Retrieve original canvas at buffer position.
+     */
+    getImageAtBufferCell(x, y) {
+        var _a, _b;
+        const buffer = this._terminal._core.buffer;
+        const line = buffer.lines.get(y);
+        if (line && line.getBg(x) & 268435456 /* BgFlags.HAS_EXTENDED */) {
+            const e = line._extendedAttrs[x] || EMPTY_ATTRS;
+            if (e.imageId && e.imageId !== -1) {
+                const orig = (_a = this._images.get(e.imageId)) === null || _a === void 0 ? void 0 : _a.orig;
+                if (window.ImageBitmap && orig instanceof ImageBitmap) {
+                    const canvas = ImageRenderer_1.ImageRenderer.createCanvas(window.document, orig.width, orig.height);
+                    (_b = canvas.getContext('2d')) === null || _b === void 0 ? void 0 : _b.drawImage(orig, 0, 0, orig.width, orig.height);
+                    return canvas;
+                }
+                return orig;
+            }
+        }
+    }
+    /**
+     * Extract active single tile at buffer position.
+     */
+    extractTileAtBufferCell(x, y) {
+        const buffer = this._terminal._core.buffer;
+        const line = buffer.lines.get(y);
+        if (line && line.getBg(x) & 268435456 /* BgFlags.HAS_EXTENDED */) {
+            const e = line._extendedAttrs[x] || EMPTY_ATTRS;
+            if (e.imageId && e.imageId !== -1 && e.tileId !== -1) {
+                const spec = this._images.get(e.imageId);
+                if (spec) {
+                    return this._renderer.extractTile(spec, e.tileId);
+                }
+            }
+        }
+    }
+    // TODO: Do we need some blob offloading tricks here to avoid early eviction?
+    // also see https://stackoverflow.com/questions/28307789/is-there-any-limitation-on-javascript-max-blob-size
+    _evictOldest(room) {
+        var _a;
+        const used = this._getStoredPixels();
+        let current = used;
+        while (this._pixelLimit < current + room && this._images.size) {
+            const spec = this._images.get(++this._lowestId);
+            if (spec && spec.orig) {
+                current -= spec.orig.width * spec.orig.height;
+                if (spec.actual && spec.orig !== spec.actual) {
+                    current -= spec.actual.width * spec.actual.height;
+                }
+                (_a = spec.marker) === null || _a === void 0 ? void 0 : _a.dispose();
+                this._delImg(this._lowestId);
+            }
+        }
+        return used - current;
+    }
+    _writeToCell(line, x, imageId, tileId) {
+        if (line._data[x * 3 /* Cell.SIZE */ + 2 /* Cell.BG */] & 268435456 /* BgFlags.HAS_EXTENDED */) {
+            const old = line._extendedAttrs[x];
+            if (old) {
+                if (old.imageId !== undefined) {
+                    // found an old ExtendedAttrsImage, since we know that
+                    // they are always isolated instances (single cell usage),
+                    // we can re-use it and just update their id entries
+                    const oldSpec = this._images.get(old.imageId);
+                    if (oldSpec) {
+                        // early eviction for in-viewport overwrites
+                        oldSpec.tileCount--;
+                    }
+                    old.imageId = imageId;
+                    old.tileId = tileId;
+                    return;
+                }
+                // found a plain ExtendedAttrs instance, clone it to new entry
+                line._extendedAttrs[x] = new ExtendedAttrsImage(old.ext, old.urlId, imageId, tileId);
+                return;
+            }
+        }
+        // fall-through: always create new ExtendedAttrsImage entry
+        line._data[x * 3 /* Cell.SIZE */ + 2 /* Cell.BG */] |= 268435456 /* BgFlags.HAS_EXTENDED */;
+        line._extendedAttrs[x] = new ExtendedAttrsImage(0, 0, imageId, tileId);
+    }
+    _evictOnAlternate() {
+        var _a, _b;
+        // nullify tile count of all images on alternate buffer
+        for (const spec of this._images.values()) {
+            if (spec.bufferType === 'alternate') {
+                spec.tileCount = 0;
+            }
+        }
+        // re-count tiles on whole buffer
+        const buffer = this._terminal._core.buffer;
+        for (let y = 0; y < this._terminal.rows; ++y) {
+            const line = buffer.lines.get(y);
+            if (!line) {
+                continue;
+            }
+            for (let x = 0; x < this._terminal.cols; ++x) {
+                if (line._data[x * 3 /* Cell.SIZE */ + 2 /* Cell.BG */] & 268435456 /* BgFlags.HAS_EXTENDED */) {
+                    const imgId = (_a = line._extendedAttrs[x]) === null || _a === void 0 ? void 0 : _a.imageId;
+                    if (imgId) {
+                        const spec = this._images.get(imgId);
+                        if (spec) {
+                            spec.tileCount++;
+                        }
+                    }
+                }
+            }
+        }
+        // deleted images with zero tile count
+        const zero = [];
+        for (const [id, spec] of this._images.entries()) {
+            if (spec.bufferType === 'alternate' && !spec.tileCount) {
+                (_b = spec.marker) === null || _b === void 0 ? void 0 : _b.dispose();
+                zero.push(id);
+            }
+        }
+        for (const id of zero) {
+            this._delImg(id);
+        }
+    }
+}
+exports.ImageStorage = ImageStorage;
+//# sourceMappingURL=ImageStorage.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/ImageStorage.js.map b/web/public/node_modules/@xterm/addon-image/out/ImageStorage.js.map
new file mode 100644
index 000000000..d110a7787
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/ImageStorage.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/SixelHandler.js b/web/public/node_modules/@xterm/addon-image/out/SixelHandler.js
new file mode 100644
index 000000000..b69a63606
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/SixelHandler.js
@@ -0,0 +1,140 @@
+"use strict";
+/**
+ * Copyright (c) 2020, 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SixelHandler = void 0;
+const Colors_1 = require("sixel/lib/Colors");
+const ImageRenderer_1 = require("./ImageRenderer");
+const Decoder_1 = require("sixel/lib/Decoder");
+// always free decoder ressources after decoding if it exceeds this limit
+const MEM_PERMA_LIMIT = 4194304; // 1024 pixels * 1024 pixels * 4 channels = 4MB
+// custom default palette: VT340 (lower 16 colors) + ANSI256 (up to 256) + zeroed (up to 4096)
+const DEFAULT_PALETTE = Colors_1.PALETTE_ANSI_256;
+DEFAULT_PALETTE.set(Colors_1.PALETTE_VT340_COLOR);
+class SixelHandler {
+    constructor(_opts, _storage, _coreTerminal) {
+        this._opts = _opts;
+        this._storage = _storage;
+        this._coreTerminal = _coreTerminal;
+        this._size = 0;
+        this._aborted = false;
+        (0, Decoder_1.DecoderAsync)({
+            memoryLimit: this._opts.pixelLimit * 4,
+            palette: DEFAULT_PALETTE,
+            paletteLimit: this._opts.sixelPaletteLimit
+        }).then(d => this._dec = d);
+    }
+    reset() {
+        /**
+         * reset sixel decoder to defaults:
+         * - release all memory
+         * - nullify palette (4096)
+         * - apply default palette (256)
+         */
+        if (this._dec) {
+            this._dec.release();
+            // FIXME: missing interface on decoder to nullify full palette
+            this._dec._palette.fill(0);
+            this._dec.init(0, DEFAULT_PALETTE, this._opts.sixelPaletteLimit);
+        }
+    }
+    hook(params) {
+        var _a;
+        this._size = 0;
+        this._aborted = false;
+        if (this._dec) {
+            const fillColor = params.params[1] === 1 ? 0 : extractActiveBg(this._coreTerminal._core._inputHandler._curAttrData, (_a = this._coreTerminal._core._themeService) === null || _a === void 0 ? void 0 : _a.colors);
+            this._dec.init(fillColor, null, this._opts.sixelPaletteLimit);
+        }
+    }
+    put(data, start, end) {
+        if (this._aborted || !this._dec) {
+            return;
+        }
+        this._size += end - start;
+        if (this._size > this._opts.sixelSizeLimit) {
+            console.warn(`SIXEL: too much data, aborting`);
+            this._aborted = true;
+            this._dec.release();
+            return;
+        }
+        try {
+            this._dec.decode(data, start, end);
+        }
+        catch (e) {
+            console.warn(`SIXEL: error while decoding image - ${e}`);
+            this._aborted = true;
+            this._dec.release();
+        }
+    }
+    unhook(success) {
+        var _a;
+        if (this._aborted || !success || !this._dec) {
+            return true;
+        }
+        const width = this._dec.width;
+        const height = this._dec.height;
+        // partial fix for https://github.com/jerch/xterm-addon-image/issues/37
+        if (!width || !height) {
+            if (height) {
+                this._storage.advanceCursor(height);
+            }
+            return true;
+        }
+        const canvas = ImageRenderer_1.ImageRenderer.createCanvas(undefined, width, height);
+        (_a = canvas.getContext('2d')) === null || _a === void 0 ? void 0 : _a.putImageData(new ImageData(this._dec.data8, width, height), 0, 0);
+        if (this._dec.memoryUsage > MEM_PERMA_LIMIT) {
+            this._dec.release();
+        }
+        this._storage.addImage(canvas);
+        return true;
+    }
+}
+exports.SixelHandler = SixelHandler;
+/**
+ * Some helpers to extract current terminal colors.
+ */
+// get currently active background color from terminal
+// also respect INVERSE setting
+function extractActiveBg(attr, colors) {
+    let bg = 0;
+    if (!colors) {
+        // FIXME: theme service is prolly not available yet,
+        // happens if .open() was not called yet (bug in core?)
+        return bg;
+    }
+    if (attr.isInverse()) {
+        if (attr.isFgDefault()) {
+            bg = convertLe(colors.foreground.rgba);
+        }
+        else if (attr.isFgRGB()) {
+            const t = attr.constructor.toColorRGB(attr.getFgColor());
+            bg = (0, Colors_1.toRGBA8888)(...t);
+        }
+        else {
+            bg = convertLe(colors.ansi[attr.getFgColor()].rgba);
+        }
+    }
+    else {
+        if (attr.isBgDefault()) {
+            bg = convertLe(colors.background.rgba);
+        }
+        else if (attr.isBgRGB()) {
+            const t = attr.constructor.toColorRGB(attr.getBgColor());
+            bg = (0, Colors_1.toRGBA8888)(...t);
+        }
+        else {
+            bg = convertLe(colors.ansi[attr.getBgColor()].rgba);
+        }
+    }
+    return bg;
+}
+// rgba values on the color managers are always in BE, thus convert to LE
+function convertLe(color) {
+    if (Colors_1.BIG_ENDIAN)
+        return color;
+    return (color & 0xFF) << 24 | (color >>> 8 & 0xFF) << 16 | (color >>> 16 & 0xFF) << 8 | color >>> 24 & 0xFF;
+}
+//# sourceMappingURL=SixelHandler.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/out/SixelHandler.js.map b/web/public/node_modules/@xterm/addon-image/out/SixelHandler.js.map
new file mode 100644
index 000000000..89aaa5f87
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/out/SixelHandler.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"SixelHandler.js","sourceRoot":"","sources":["../src/SixelHandler.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAIH,6CAAiG;AAEjG,mDAAgD;AAEhD,+CAA0D;AAE1D,yEAAyE;AACzE,MAAM,eAAe,GAAG,OAAO,CAAC,CAAC,+CAA+C;AAEhF,8FAA8F;AAC9F,MAAM,eAAe,GAAG,yBAAgB,CAAC;AACzC,eAAe,CAAC,GAAG,CAAC,4BAAmB,CAAC,CAAC;AAGzC,MAAa,YAAY;IAKvB,YACmB,KAAyB,EACzB,QAAsB,EACtB,aAA2B;QAF3B,UAAK,GAAL,KAAK,CAAoB;QACzB,aAAQ,GAAR,QAAQ,CAAc;QACtB,kBAAa,GAAb,aAAa,CAAc;QAPtC,UAAK,GAAG,CAAC,CAAC;QACV,aAAQ,GAAG,KAAK,CAAC;QAQvB,IAAA,sBAAY,EAAC;YACX,WAAW,EAAE,IAAI,CAAC,KAAK,CAAC,UAAU,GAAG,CAAC;YACtC,OAAO,EAAE,eAAe;YACxB,YAAY,EAAE,IAAI,CAAC,KAAK,CAAC,iBAAiB;SAC3C,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,CAAC,IAAI,GAAG,CAAC,CAAC,CAAC;IAC9B,CAAC;IAEM,KAAK;QACV;;;;;WAKG;QACH,IAAI,IAAI,CAAC,IAAI,EAAE;YACb,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;YACpB,8DAA8D;YAC7D,IAAI,CAAC,IAAY,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;YACpC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,EAAE,eAAe,EAAE,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,CAAC;SAClE;IACH,CAAC;IAEM,IAAI,CAAC,MAAe;;QACzB,IAAI,CAAC,KAAK,GAAG,CAAC,CAAC;QACf,IAAI,CAAC,QAAQ,GAAG,KAAK,CAAC;QACtB,IAAI,IAAI,CAAC,IAAI,EAAE;YACb,MAAM,SAAS,GAAG,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,eAAe,CAC5D,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,aAAa,CAAC,YAAY,EACnD,MAAA,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,aAAa,0CAAE,MAAM,CAAC,CAAC;YAClD,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,EAAE,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,CAAC;SAC/D;IACH,CAAC;IAEM,GAAG,CAAC,IAAiB,EAAE,KAAa,EAAE,GAAW;QACtD,IAAI,IAAI,CAAC,QAAQ,IAAI,CAAC,IAAI,CAAC,IAAI,EAAE;YAC/B,OAAO;SACR;QACD,IAAI,CAAC,KAAK,IAAI,GAAG,GAAG,KAAK,CAAC;QAC1B,IAAI,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC,cAAc,EAAE;YAC1C,OAAO,CAAC,IAAI,CAAC,gCAAgC,CAAC,CAAC;YAC/C,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;YACrB,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;YACpB,OAAO;SACR;QACD,IAAI;YACF,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,KAAK,EAAE,GAAG,CAAC,CAAC;SACpC;QAAC,OAAO,CAAC,EAAE;YACV,OAAO,CAAC,IAAI,CAAC,uCAAuC,CAAC,EAAE,CAAC,CAAC;YACzD,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;YACrB,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;SACrB;IACH,CAAC;IAEM,MAAM,CAAC,OAAgB;;QAC5B,IAAI,IAAI,CAAC,QAAQ,IAAI,CAAC,OAAO,IAAI,CAAC,IAAI,CAAC,IAAI,EAAE;YAC3C,OAAO,IAAI,CAAC;SACb;QAED,MAAM,KAAK,GAAG,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC;QAC9B,MAAM,MAAM,GAAG,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC;QAEhC,uEAAuE;QACvE,IAAI,CAAC,KAAK,IAAI,CAAE,MAAM,EAAE;YACtB,IAAI,MAAM,EAAE;gBACV,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC;aACrC;YACD,OAAO,IAAI,CAAC;SACb;QAED,MAAM,MAAM,GAAG,6BAAa,CAAC,YAAY,CAAC,SAAS,EAAE,KAAK,EAAE,MAAM,CAAC,CAAC;QACpE,MAAA,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,0CAAE,YAAY,CAAC,IAAI,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,EAAE,KAAK,EAAE,MAAM,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;QAC3F,IAAI,IAAI,CAAC,IAAI,CAAC,WAAW,GAAG,eAAe,EAAE;YAC3C,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;SACrB;QACD,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;QAC/B,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AAvFD,oCAuFC;AAGD;;GAEG;AAEH,sDAAsD;AACtD,+BAA+B;AAC/B,SAAS,eAAe,CAAC,IAAmB,EAAE,MAAoC;IAChF,IAAI,EAAE,GAAG,CAAC,CAAC;IACX,IAAI,CAAC,MAAM,EAAE;QACX,oDAAoD;QACpD,uDAAuD;QACvD,OAAO,EAAE,CAAC;KACX;IACD,IAAI,IAAI,CAAC,SAAS,EAAE,EAAE;QACpB,IAAI,IAAI,CAAC,WAAW,EAAE,EAAE;YACtB,EAAE,GAAG,SAAS,CAAC,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,CAAC;SACxC;aAAM,IAAI,IAAI,CAAC,OAAO,EAAE,EAAE;YACzB,MAAM,CAAC,GAAI,IAAI,CAAC,WAAoC,CAAC,UAAU,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,CAAC;YACnF,EAAE,GAAG,IAAA,mBAAU,EAAC,GAAG,CAAC,CAAC,CAAC;SACvB;aAAM;YACL,EAAE,GAAG,SAAS,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,CAAC,IAAI,CAAC,CAAC;SACrD;KACF;SAAM;QACL,IAAI,IAAI,CAAC,WAAW,EAAE,EAAE;YACtB,EAAE,GAAG,SAAS,CAAC,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,CAAC;SACxC;aAAM,IAAI,IAAI,CAAC,OAAO,EAAE,EAAE;YACzB,MAAM,CAAC,GAAI,IAAI,CAAC,WAAoC,CAAC,UAAU,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,CAAC;YACnF,EAAE,GAAG,IAAA,mBAAU,EAAC,GAAG,CAAC,CAAC,CAAC;SACvB;aAAM;YACL,EAAE,GAAG,SAAS,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,CAAC,IAAI,CAAC,CAAC;SACrD;KACF;IACD,OAAO,EAAE,CAAC;AACZ,CAAC;AAED,yEAAyE;AACzE,SAAS,SAAS,CAAC,KAAa;IAC9B,IAAI,mBAAU;QAAE,OAAO,KAAK,CAAC;IAC7B,OAAO,CAAC,KAAK,GAAG,IAAI,CAAC,IAAI,EAAE,GAAG,CAAC,KAAK,KAAK,CAAC,GAAG,IAAI,CAAC,IAAI,EAAE,GAAG,CAAC,KAAK,KAAK,EAAE,GAAG,IAAI,CAAC,IAAI,CAAC,GAAG,KAAK,KAAK,EAAE,GAAG,IAAI,CAAC;AAC9G,CAAC"}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/package.json b/web/public/node_modules/@xterm/addon-image/package.json
new file mode 100644
index 000000000..a46261795
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "@xterm/addon-image",
+  "version": "0.8.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-image.js",
+  "types": "typings/addon-image.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-image",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "image",
+    "sixel",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "prepackage": "../../node_modules/.bin/tsc -p .",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.2.0"
+  },
+  "devDependencies": {
+    "sixel": "^0.16.0",
+    "xterm-wasm-parts": "^0.1.0"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-image/src/IIPHandler.ts b/web/public/node_modules/@xterm/addon-image/src/IIPHandler.ts
new file mode 100644
index 000000000..ae62100d1
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/IIPHandler.ts
@@ -0,0 +1,161 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IImageAddonOptions, IOscHandler, IResetHandler, ITerminalExt } from './Types';
+import { ImageRenderer } from './ImageRenderer';
+import { ImageStorage, CELL_SIZE_DEFAULT } from './ImageStorage';
+import Base64Decoder from 'xterm-wasm-parts/lib/base64/Base64Decoder.wasm';
+import { HeaderParser, IHeaderFields, HeaderState } from './IIPHeaderParser';
+import { imageType, UNSUPPORTED_TYPE } from './IIPMetrics';
+
+
+// eslint-disable-next-line
+declare const Buffer: any;
+
+// limit hold memory in base64 decoder
+const KEEP_DATA = 4194304;
+
+// default IIP header values
+const DEFAULT_HEADER: IHeaderFields = {
+  name: 'Unnamed file',
+  size: 0,
+  width: 'auto',
+  height: 'auto',
+  preserveAspectRatio: 1,
+  inline: 0
+};
+
+
+export class IIPHandler implements IOscHandler, IResetHandler {
+  private _aborted = false;
+  private _hp = new HeaderParser();
+  private _header: IHeaderFields = DEFAULT_HEADER;
+  private _dec = new Base64Decoder(KEEP_DATA);
+  private _metrics = UNSUPPORTED_TYPE;
+
+  constructor(
+    private readonly _opts: IImageAddonOptions,
+    private readonly _renderer: ImageRenderer,
+    private readonly _storage: ImageStorage,
+    private readonly _coreTerminal: ITerminalExt
+  ) {}
+
+  public reset(): void {}
+
+  public start(): void {
+    this._aborted = false;
+    this._header = DEFAULT_HEADER;
+    this._metrics  = UNSUPPORTED_TYPE;
+    this._hp.reset();
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._aborted) return;
+
+    if (this._hp.state === HeaderState.END) {
+      if (this._dec.put(data, start, end)) {
+        this._dec.release();
+        this._aborted = true;
+      }
+    } else {
+      const dataPos = this._hp.parse(data, start, end);
+      if (dataPos === -1) {
+        this._aborted = true;
+        return;
+      }
+      if (dataPos > 0) {
+        this._header = Object.assign({}, DEFAULT_HEADER, this._hp.fields);
+        if (!this._header.inline || !this._header.size || this._header.size > this._opts.iipSizeLimit) {
+          this._aborted = true;
+          return;
+        }
+        this._dec.init(this._header.size);
+        if (this._dec.put(data, dataPos, end)) {
+          this._dec.release();
+          this._aborted = true;
+        }
+      }
+    }
+  }
+
+  public end(success: boolean): boolean | Promise<boolean> {
+    if (this._aborted) return true;
+
+    let w = 0;
+    let h = 0;
+
+    // early exit condition chain
+    let cond: number | boolean = true;
+    if (cond = success) {
+      if (cond = !this._dec.end()) {
+        this._metrics = imageType(this._dec.data8);
+        if (cond = this._metrics.mime !== 'unsupported') {
+          w = this._metrics.width;
+          h = this._metrics.height;
+          if (cond = w && h && w * h < this._opts.pixelLimit) {
+            [w, h] = this._resize(w, h).map(Math.floor);
+            cond = w && h && w * h < this._opts.pixelLimit;
+          }
+        }
+      }
+    }
+    if (!cond) {
+      this._dec.release();
+      return true;
+    }
+
+    const blob = new Blob([this._dec.data8], { type: this._metrics.mime });
+    this._dec.release();
+
+    if (!window.createImageBitmap) {
+      const url = URL.createObjectURL(blob);
+      const img = new Image();
+      return new Promise<boolean>(r => {
+        img.addEventListener('load', () => {
+          URL.revokeObjectURL(url);
+          const canvas = ImageRenderer.createCanvas(window.document, w, h);
+          canvas.getContext('2d')?.drawImage(img, 0, 0, w, h);
+          this._storage.addImage(canvas);
+          r(true);
+        });
+        img.src = url;
+        // sanity measure to avoid terminal blocking from dangling promise
+        // happens from corrupt data (onload never gets fired)
+        setTimeout(() => r(true), 1000);
+      });
+    }
+    return createImageBitmap(blob, { resizeWidth: w, resizeHeight: h })
+      .then(bm => {
+        this._storage.addImage(bm);
+        return true;
+      });
+  }
+
+  private _resize(w: number, h: number): [number, number] {
+    const cw = this._renderer.dimensions?.css.cell.width || CELL_SIZE_DEFAULT.width;
+    const ch = this._renderer.dimensions?.css.cell.height || CELL_SIZE_DEFAULT.height;
+    const width = this._renderer.dimensions?.css.canvas.width || cw * this._coreTerminal.cols;
+    const height = this._renderer.dimensions?.css.canvas.height || ch * this._coreTerminal.rows;
+
+    const rw = this._dim(this._header.width!, width, cw);
+    const rh = this._dim(this._header.height!, height, ch);
+    if (!rw && !rh) {
+      const wf = width / w;         // TODO: should this respect initial cursor offset?
+      const hf = (height - ch) / h; // TODO: fix offset issues from float cell height
+      const f = Math.min(wf, hf);
+      return f < 1 ? [w * f, h * f] : [w, h];
+    }
+    return !rw
+      ? [w * rh / h, rh]
+      : this._header.preserveAspectRatio || !rw || !rh
+        ? [rw, h * rw / w] : [rw, rh];
+  }
+
+  private _dim(s: string, total: number, cdim: number): number {
+    if (s === 'auto') return 0;
+    if (s.endsWith('%')) return parseInt(s.slice(0, -1)) * total / 100;
+    if (s.endsWith('px')) return parseInt(s.slice(0, -2));
+    return parseInt(s) * cdim;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/IIPHeaderParser.test.ts b/web/public/node_modules/@xterm/addon-image/src/IIPHeaderParser.test.ts
new file mode 100644
index 000000000..e42782c14
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/IIPHeaderParser.test.ts
@@ -0,0 +1,138 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { assert } from 'chai';
+import { HeaderParser, HeaderState, IHeaderFields } from './IIPHeaderParser';
+
+
+const CASES: [string, IHeaderFields][] = [
+  ['File=size=123456;name=dGVzdA==:', {name: 'test', size: 123456}],
+  ['File=size=123456;name=dGVzdA:', {name: 'test', size: 123456}],
+  // utf-8 encoding in name
+  ['File=size=123456;name=w7xtbMOkdXTDnw==:', {name: 'ümläutß', size: 123456}],
+  ['File=size=123456;name=w7xtbMOkdXTDnw:', {name: 'ümläutß', size: 123456}],
+  // full header spec
+  [
+    'File=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
+    {
+      inline: 1,
+      width: '10px',
+      height: '20%',
+      preserveAspectRatio: 1,
+      size: 123456,
+      name: 'ümläutß'
+    }
+  ],
+  [
+    'File=inline=1;width=auto;height=20;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
+    {
+      inline: 1,
+      width: 'auto',
+      height: '20',
+      preserveAspectRatio: 1,
+      size: 123456,
+      name: 'ümläutß'
+    }
+  ]
+];
+
+function fromBs(bs: string): Uint32Array {
+  const r = new Uint32Array(bs.length);
+  for (let i = 0; i < r.length; ++i) r[i] = bs.charCodeAt(i);
+  return r;
+}
+
+describe('IIPHeaderParser', () => {
+  it('at once', () => {
+    const hp = new HeaderParser();
+    for (const example of CASES) {
+      hp.reset();
+      const inp = fromBs(example[0]);
+      const res = hp.parse(inp, 0, inp.length);
+      assert.strictEqual(res, inp.length);
+      assert.strictEqual(hp.state, HeaderState.END);
+      assert.deepEqual(hp.fields, example[1]);
+    }
+  });
+  it('bytewise', () => {
+    const hp = new HeaderParser();
+    for (const example of CASES) {
+      hp.reset();
+      const inp = fromBs(example[0]);
+      let pos = 0;
+      let res = -2;
+      while (res === -2 && pos < inp.length) {
+        res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
+      }
+      assert.strictEqual(res, 1);
+      assert.strictEqual(hp.state, HeaderState.END);
+      assert.deepEqual(hp.fields, example[1]);
+    }
+  });
+  it('no File= starter', () => {
+    const hp = new HeaderParser();
+    let inp = fromBs('size=123456;name=dGVzdA==:');
+    let res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, -1);
+    hp.reset();
+    inp = fromBs(CASES[0][0]);
+    res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, CASES[0][1]);
+  });
+  it('empty key - error', () => {
+    const hp = new HeaderParser();
+    let inp = fromBs('File=size=123456;=dGVzdA==:');
+    let res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, -1);
+    hp.reset();
+    inp = fromBs(CASES[0][0]);
+    res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, CASES[0][1]);
+  });
+  it('empty size value - set to 0', () => {
+    const hp = new HeaderParser();
+    let inp = fromBs('File=size=;name=dGVzdA==:');
+    let res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, {name: 'test', size: 0});
+    hp.reset();
+    inp = fromBs(CASES[0][0]);
+    res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, CASES[0][1]);
+  });
+  it('empty name value - set to empty string', () => {
+    const hp = new HeaderParser();
+    let inp = fromBs('File=size=123456;name=:');
+    let res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, {name: '', size: 123456});
+    hp.reset();
+    inp = fromBs(CASES[0][0]);
+    res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, CASES[0][1]);
+  });
+  it('empty size value - error', () => {
+    const hp = new HeaderParser();
+    let inp = fromBs('File=inline=1;width=;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:');
+    let res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, -1);
+    hp.reset();
+    inp = fromBs(CASES[0][0]);
+    res = hp.parse(inp, 0, inp.length);
+    assert.strictEqual(res, inp.length);
+    assert.strictEqual(hp.state, HeaderState.END);
+    assert.deepEqual(hp.fields, CASES[0][1]);
+  });
+});
diff --git a/web/public/node_modules/@xterm/addon-image/src/IIPHeaderParser.ts b/web/public/node_modules/@xterm/addon-image/src/IIPHeaderParser.ts
new file mode 100644
index 000000000..05a350c10
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/IIPHeaderParser.ts
@@ -0,0 +1,186 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+// eslint-disable-next-line
+declare const Buffer: any;
+
+
+export interface IHeaderFields {
+  // base-64 encoded filename. Defaults to "Unnamed file".
+  name: string;
+  // File size in bytes. The file transfer will be canceled if this size is exceeded.
+  size: number;
+  /**
+   * Optional width and height to render:
+   * - N: N character cells.
+   * - Npx: N pixels.
+   * - N%: N percent of the session's width or height.
+   * - auto: The image's inherent size will be used to determine an appropriate dimension.
+   */
+  width?: string;
+  height?: string;
+  // Optional, defaults to 1 respecting aspect ratio (width takes precedence).
+  preserveAspectRatio?: number;
+  // Optional, defaults to 0. If set to 1, the file will be displayed inline, else downloaded
+  // (download not supported).
+  inline?: number;
+}
+
+export const enum HeaderState {
+  START = 0,
+  ABORT = 1,
+  KEY = 2,
+  VALUE = 3,
+  END = 4
+}
+
+// field value decoders
+
+// ASCII bytes to string
+function toStr(data: Uint32Array): string {
+  let s = '';
+  for (let i = 0; i < data.length; ++i) {
+    s += String.fromCharCode(data[i]);
+  }
+  return s;
+}
+
+// digits to integer
+function toInt(data: Uint32Array): number {
+  let v = 0;
+  for (let i = 0; i < data.length; ++i) {
+    if (data[i] < 48 || data[i] > 57) {
+      throw new Error('illegal char');
+    }
+    v = v * 10 + data[i] - 48;
+  }
+  return v;
+}
+
+// check for correct size entry
+function toSize(data: Uint32Array): string {
+  const v = toStr(data);
+  if (!v.match(/^((auto)|(\d+?((px)|(%)){0,1}))$/)) {
+    throw new Error('illegal size');
+  }
+  return v;
+}
+
+// name is base64 encoded utf-8
+function toName(data: Uint32Array): string {
+  if (typeof Buffer !== 'undefined') {
+    return Buffer.from(toStr(data), 'base64').toString();
+  }
+  const bs = atob(toStr(data));
+  const b = new Uint8Array(bs.length);
+  for (let i = 0; i < b.length; ++i) {
+    b[i] = bs.charCodeAt(i);
+  }
+  return new TextDecoder().decode(b);
+}
+
+const DECODERS: {[key: string]: (v: Uint32Array) => any} = {
+  inline: toInt,
+  size: toInt,
+  name: toName,
+  width: toSize,
+  height: toSize,
+  preserveAspectRatio: toInt
+};
+
+
+const FILE_MARKER = [70, 105, 108, 101];
+const MAX_FIELDCHARS = 1024;
+
+
+export class HeaderParser {
+  public state: HeaderState = HeaderState.START;
+  private _buffer = new Uint32Array(MAX_FIELDCHARS);
+  private _position = 0;
+  private _key = '';
+  public fields: {[key: string]: any} = {};
+
+  public reset(): void {
+    this._buffer.fill(0);
+    this.state = HeaderState.START;
+    this._position = 0;
+    this.fields = {};
+    this._key = '';
+  }
+
+  public parse(data: Uint32Array, start: number, end: number): number {
+    let state = this.state;
+    let pos = this._position;
+    const buffer = this._buffer;
+    if (state === HeaderState.ABORT || state === HeaderState.END) return -1;
+    if (state === HeaderState.START && pos > 6) return -1;
+    for (let i = start; i < end; ++i) {
+      const c = data[i];
+      switch (c) {
+        case 59: // ;
+          if (!this._storeValue(pos)) return this._a();
+          state = HeaderState.KEY;
+          pos = 0;
+          break;
+        case 61: // =
+          if (state === HeaderState.START) {
+            for (let k = 0; k < FILE_MARKER.length; ++k) {
+              if (buffer[k] !== FILE_MARKER[k]) return this._a();
+            }
+            state = HeaderState.KEY;
+            pos = 0;
+          } else if (state === HeaderState.KEY) {
+            if (!this._storeKey(pos)) return this._a();
+            state = HeaderState.VALUE;
+            pos = 0;
+          } else if (state === HeaderState.VALUE) {
+            if (pos >= MAX_FIELDCHARS) return this._a();
+            buffer[pos++] = c;
+          }
+          break;
+        case 58: // :
+          if (state === HeaderState.VALUE) {
+            if (!this._storeValue(pos)) return this._a();
+          }
+          this.state = HeaderState.END;
+          return i + 1;
+        default:
+          if (pos >= MAX_FIELDCHARS) return this._a();
+          buffer[pos++] = c;
+      }
+    }
+    this.state = state;
+    this._position = pos;
+    return -2;
+  }
+
+  private _a(): number {
+    this.state = HeaderState.ABORT;
+    return -1;
+  }
+
+  private _storeKey(pos: number): boolean {
+    const k = toStr(this._buffer.subarray(0, pos));
+    if (k) {
+      this._key = k;
+      this.fields[k] = null;
+      return true;
+    }
+    return false;
+  }
+
+  private _storeValue(pos: number): boolean {
+    if (this._key) {
+      try {
+        const v = this._buffer.slice(0, pos);
+        this.fields[this._key] = DECODERS[this._key] ? DECODERS[this._key](v) : v;
+      } catch (e) {
+        return false;
+      }
+      return true;
+    }
+    return false;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/IIPMetrics.test.ts b/web/public/node_modules/@xterm/addon-image/src/IIPMetrics.test.ts
new file mode 100644
index 000000000..8ad5f05c8
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/IIPMetrics.test.ts
@@ -0,0 +1,43 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { assert } from 'chai';
+import { imageType, IMetrics } from './IIPMetrics';
+
+// fix missing nodejs decl
+declare const require: (s: string) => any;
+const fs = require('fs');
+
+
+const TEST_IMAGES: [string, IMetrics][] = [
+  ['w3c_home_256.gif', { mime: 'image/gif', width: 72, height: 48 }],
+  ['w3c_home_256.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+  ['w3c_home_256.png', { mime: 'image/png', width: 72, height: 48 }],
+  ['w3c_home_2.gif', { mime: 'image/gif', width: 72, height: 48 }],
+  ['w3c_home_2.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+  ['w3c_home_2.png', { mime: 'image/png', width: 72, height: 48 }],
+  ['w3c_home_animation.gif', { mime: 'image/gif', width: 72, height: 48 }],
+  ['w3c_home.gif', { mime: 'image/gif', width: 72, height: 48 }],
+  ['w3c_home_gray.gif', { mime: 'image/gif', width: 72, height: 48 }],
+  ['w3c_home_gray.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+  ['w3c_home_gray.png', { mime: 'image/png', width: 72, height: 48 }],
+  ['w3c_home.jpg', { mime: 'image/jpeg', width: 72, height: 48 }],
+  ['w3c_home.png', { mime: 'image/png', width: 72, height: 48 }],
+  ['spinfox.png', { mime: 'image/png', width: 148, height: 148 }],
+  ['iphone_hdr_YES.jpg', { mime: 'image/jpeg', width: 3264, height: 2448 }],
+  ['nikon-e950.jpg', { mime: 'image/jpeg', width: 800, height: 600 }],
+  ['agfa-makernotes.jpg', { mime: 'image/jpeg', width: 8, height: 8 }],
+  ['sony-alpha-6000.jpg', { mime: 'image/jpeg', width: 6000, height: 4000 }]
+];
+
+
+describe('IIPMetrics', () => {
+  it('bunch of testimages', () => {
+    for (let i = 0; i < TEST_IMAGES.length; ++i) {
+      const imageData = fs.readFileSync('./addons/addon-image/fixture/testimages/' + TEST_IMAGES[i][0]);
+      assert.deepStrictEqual(imageType(imageData), TEST_IMAGES[i][1]);
+    }
+  });
+});
diff --git a/web/public/node_modules/@xterm/addon-image/src/IIPMetrics.ts b/web/public/node_modules/@xterm/addon-image/src/IIPMetrics.ts
new file mode 100644
index 000000000..03770c438
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/IIPMetrics.ts
@@ -0,0 +1,81 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+
+export type ImageType = 'image/png' | 'image/jpeg' | 'image/gif' | 'unsupported' | '';
+
+export interface IMetrics {
+  mime: ImageType;
+  width: number;
+  height: number;
+}
+
+export const UNSUPPORTED_TYPE: IMetrics = {
+  mime: 'unsupported',
+  width: 0,
+  height: 0
+};
+
+export function imageType(d: Uint8Array): IMetrics {
+  if (d.length < 24) {
+    return UNSUPPORTED_TYPE;
+  }
+  const d32 = new Uint32Array(d.buffer, d.byteOffset, 6);
+  // PNG: 89 50 4E 47 0D 0A 1A 0A (8 first bytes == magic number for PNG)
+  // + first chunk must be IHDR
+  if (d32[0] === 0x474E5089 && d32[1] === 0x0A1A0A0D && d32[3] === 0x52444849) {
+    return {
+      mime: 'image/png',
+      width: d[16] << 24 | d[17] << 16 | d[18] << 8 | d[19],
+      height: d[20] << 24 | d[21] << 16 | d[22] << 8 | d[23]
+    };
+  }
+  // JPEG: FF D8 FF E0 xx xx JFIF  or  FF D8 FF E1 xx xx Exif 00 00
+  if ((d32[0] === 0xE0FFD8FF || d32[0] === 0xE1FFD8FF)
+    &&  (
+      (d[6] === 0x4a && d[7] === 0x46 && d[8] === 0x49 && d[9] === 0x46)
+        ||  (d[6] === 0x45 && d[7] === 0x78 && d[8] === 0x69 && d[9] === 0x66)
+    )
+  ) {
+    const [width, height] = jpgSize(d);
+    return { mime: 'image/jpeg', width, height };
+  }
+  // GIF: GIF87a or GIF89a
+  if (d32[0] === 0x38464947 && (d[4] === 0x37 || d[4] === 0x39) && d[5] === 0x61) {
+    return {
+      mime: 'image/gif',
+      width: d[7] << 8 | d[6],
+      height: d[9] << 8 | d[8]
+    };
+  }
+  return UNSUPPORTED_TYPE;
+}
+
+function jpgSize(d: Uint8Array): [number, number] {
+  const len = d.length;
+  let i = 4;
+  let blockLength = d[i] << 8 | d[i + 1];
+  while (true) {
+    i += blockLength;
+    if (i >= len) {
+      // exhausted without size info
+      return [0, 0];
+    }
+    if (d[i] !== 0xFF) {
+      return [0, 0];
+    }
+    if (d[i + 1] === 0xC0 || d[i + 1] === 0xC2) {
+      if (i + 8 < len) {
+        return [
+          d[i + 7] << 8 | d[i + 8],
+          d[i + 5] << 8 | d[i + 6]
+        ];
+      }
+      return [0, 0];
+    }
+    i += 2;
+    blockLength = d[i] << 8 | d[i + 1];
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/ImageAddon.ts b/web/public/node_modules/@xterm/addon-image/src/ImageAddon.ts
new file mode 100644
index 000000000..167e93a79
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/ImageAddon.ts
@@ -0,0 +1,317 @@
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import type { ITerminalAddon, IDisposable } from '@xterm/xterm';
+import type { ImageAddon as IImageApi } from '@xterm/addon-image';
+import { IIPHandler } from './IIPHandler';
+import { ImageRenderer } from './ImageRenderer';
+import { ImageStorage, CELL_SIZE_DEFAULT } from './ImageStorage';
+import { SixelHandler } from './SixelHandler';
+import { ITerminalExt, IImageAddonOptions, IResetHandler } from './Types';
+
+// default values of addon ctor options
+const DEFAULT_OPTIONS: IImageAddonOptions = {
+  enableSizeReports: true,
+  pixelLimit: 16777216, // limit to 4096 * 4096 pixels
+  sixelSupport: true,
+  sixelScrolling: true,
+  sixelPaletteLimit: 256,
+  sixelSizeLimit: 25000000,
+  storageLimit: 128,
+  showPlaceholder: true,
+  iipSupport: true,
+  iipSizeLimit: 20000000
+};
+
+// max palette size supported by the sixel lib (compile time setting)
+const MAX_SIXEL_PALETTE_SIZE = 4096;
+
+// definitions for _xtermGraphicsAttributes sequence
+const enum GaItem {
+  COLORS = 1,
+  SIXEL_GEO = 2,
+  REGIS_GEO = 3
+}
+const enum GaAction {
+  READ = 1,
+  SET_DEFAULT = 2,
+  SET = 3,
+  READ_MAX = 4
+}
+const enum GaStatus {
+  SUCCESS = 0,
+  ITEM_ERROR = 1,
+  ACTION_ERROR = 2,
+  FAILURE = 3
+}
+
+
+export class ImageAddon implements ITerminalAddon , IImageApi {
+  private _opts: IImageAddonOptions;
+  private _defaultOpts: IImageAddonOptions;
+  private _storage: ImageStorage | undefined;
+  private _renderer: ImageRenderer | undefined;
+  private _disposables: IDisposable[] = [];
+  private _terminal: ITerminalExt | undefined;
+  private _handlers: Map<String, IResetHandler> = new Map();
+
+  constructor(opts?: Partial<IImageAddonOptions>) {
+    this._opts = Object.assign({}, DEFAULT_OPTIONS, opts);
+    this._defaultOpts = Object.assign({}, DEFAULT_OPTIONS, opts);
+  }
+
+  public dispose(): void {
+    for (const obj of this._disposables) {
+      obj.dispose();
+    }
+    this._disposables.length = 0;
+    this._handlers.clear();
+  }
+
+  private _disposeLater(...args: IDisposable[]): void {
+    for (const obj of args) {
+      this._disposables.push(obj);
+    }
+  }
+
+  public activate(terminal: ITerminalExt): void {
+    this._terminal = terminal;
+
+    // internal data structures
+    this._renderer = new ImageRenderer(terminal);
+    this._storage = new ImageStorage(terminal, this._renderer, this._opts);
+
+    // enable size reports
+    if (this._opts.enableSizeReports) {
+      // const windowOptions = terminal.getOption('windowOptions');
+      // windowOptions.getWinSizePixels = true;
+      // windowOptions.getCellSizePixels = true;
+      // windowOptions.getWinSizeChars = true;
+      // terminal.setOption('windowOptions', windowOptions);
+      const windowOps = terminal.options.windowOptions || {};
+      windowOps.getWinSizePixels = true;
+      windowOps.getCellSizePixels = true;
+      windowOps.getWinSizeChars = true;
+      terminal.options.windowOptions = windowOps;
+    }
+
+    this._disposeLater(
+      this._renderer,
+      this._storage,
+
+      // DECSET/DECRST/DA1/XTSMGRAPHICS handlers
+      terminal.parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this._decset(params)),
+      terminal.parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this._decrst(params)),
+      terminal.parser.registerCsiHandler({ final: 'c' }, params => this._da1(params)),
+      terminal.parser.registerCsiHandler({ prefix: '?', final: 'S' }, params => this._xtermGraphicsAttributes(params)),
+
+      // render hook
+      terminal.onRender(range => this._storage?.render(range)),
+
+      /**
+       * reset handlers covered:
+       * - DECSTR
+       * - RIS
+       * - Terminal.reset()
+       */
+      terminal.parser.registerCsiHandler({ intermediates: '!', final: 'p' }, () => this.reset()),
+      terminal.parser.registerEscHandler({ final: 'c' }, () => this.reset()),
+      terminal._core._inputHandler.onRequestReset(() => this.reset()),
+
+      // wipe canvas and delete alternate images on buffer switch
+      terminal.buffer.onBufferChange(() => this._storage?.wipeAlternate()),
+
+      // extend images to the right on resize
+      terminal.onResize(metrics => this._storage?.viewportResize(metrics))
+    );
+
+    // SIXEL handler
+    if (this._opts.sixelSupport) {
+      const sixelHandler = new SixelHandler(this._opts, this._storage!, terminal);
+      this._handlers.set('sixel', sixelHandler);
+      this._disposeLater(
+        terminal._core._inputHandler._parser.registerDcsHandler({ final: 'q' }, sixelHandler)
+      );
+    }
+
+    // iTerm IIP handler
+    if (this._opts.iipSupport) {
+      const iipHandler = new IIPHandler(this._opts, this._renderer!, this._storage!, terminal);
+      this._handlers.set('iip', iipHandler);
+      this._disposeLater(
+        terminal._core._inputHandler._parser.registerOscHandler(1337, iipHandler)
+      );
+    }
+  }
+
+  // Note: storageLimit is skipped here to not intoduce a surprising side effect.
+  public reset(): boolean {
+    // reset options customizable by sequences to defaults
+    this._opts.sixelScrolling = this._defaultOpts.sixelScrolling;
+    this._opts.sixelPaletteLimit = this._defaultOpts.sixelPaletteLimit;
+    // also clear image storage
+    this._storage?.reset();
+    // reset protocol handlers
+    for (const handler of this._handlers.values()) {
+      handler.reset();
+    }
+    return false;
+  }
+
+  public get storageLimit(): number {
+    return this._storage?.getLimit() || -1;
+  }
+
+  public set storageLimit(limit: number) {
+    this._storage?.setLimit(limit);
+    this._opts.storageLimit = limit;
+  }
+
+  public get storageUsage(): number {
+    if (this._storage) {
+      return this._storage.getUsage();
+    }
+    return -1;
+  }
+
+  public get showPlaceholder(): boolean {
+    return this._opts.showPlaceholder;
+  }
+
+  public set showPlaceholder(value: boolean) {
+    this._opts.showPlaceholder = value;
+    this._renderer?.showPlaceholder(value);
+  }
+
+  public getImageAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {
+    return this._storage?.getImageAtBufferCell(x, y);
+  }
+
+  public extractTileAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {
+    return this._storage?.extractTileAtBufferCell(x, y);
+  }
+
+  private _report(s: string): void {
+    this._terminal?._core.coreService.triggerDataEvent(s);
+  }
+
+  private _decset(params: (number | number[])[]): boolean {
+    for (let i = 0; i < params.length; ++i) {
+      switch (params[i]) {
+        case 80:
+          this._opts.sixelScrolling = false;
+          break;
+      }
+    }
+    return false;
+  }
+
+  private _decrst(params: (number | number[])[]): boolean {
+    for (let i = 0; i < params.length; ++i) {
+      switch (params[i]) {
+        case 80:
+          this._opts.sixelScrolling = true;
+          break;
+      }
+    }
+    return false;
+  }
+
+  // overload DA to return something more appropriate
+  private _da1(params: (number | number[])[]): boolean {
+    if (params[0]) {
+      return true;
+    }
+    // reported features:
+    // 62 - VT220
+    // 4 - SIXEL support
+    // 9 - charsets
+    // 22 - ANSI colors
+    if (this._opts.sixelSupport) {
+      this._report(`\x1b[?62;4;9;22c`);
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Implementation of xterm's graphics attribute sequence.
+   *
+   * Supported features:
+   * - read/change palette limits (max 4096 by sixel lib)
+   * - read SIXEL canvas geometry (reports current window canvas or
+   *   squared pixelLimit if canvas > pixel limit)
+   *
+   * Everything else is deactivated.
+   */
+  private _xtermGraphicsAttributes(params: (number | number[])[]): boolean {
+    if (params.length < 2) {
+      return true;
+    }
+    if (params[0] === GaItem.COLORS) {
+      switch (params[1]) {
+        case GaAction.READ:
+          this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${this._opts.sixelPaletteLimit}S`);
+          return true;
+        case GaAction.SET_DEFAULT:
+          this._opts.sixelPaletteLimit = this._defaultOpts.sixelPaletteLimit;
+          this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${this._opts.sixelPaletteLimit}S`);
+          // also reset protocol handlers for now
+          for (const handler of this._handlers.values()) {
+            handler.reset();
+          }
+          return true;
+        case GaAction.SET:
+          if (params.length > 2 && !(params[2] instanceof Array) && params[2] <= MAX_SIXEL_PALETTE_SIZE) {
+            this._opts.sixelPaletteLimit = params[2];
+            this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${this._opts.sixelPaletteLimit}S`);
+          } else {
+            this._report(`\x1b[?${params[0]};${GaStatus.ACTION_ERROR}S`);
+          }
+          return true;
+        case GaAction.READ_MAX:
+          this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${MAX_SIXEL_PALETTE_SIZE}S`);
+          return true;
+        default:
+          this._report(`\x1b[?${params[0]};${GaStatus.ACTION_ERROR}S`);
+          return true;
+      }
+    }
+    if (params[0] === GaItem.SIXEL_GEO) {
+      switch (params[1]) {
+        // we only implement read and read_max here
+        case GaAction.READ:
+          let width = this._renderer?.dimensions?.css.canvas.width;
+          let height = this._renderer?.dimensions?.css.canvas.height;
+          if (!width || !height) {
+            // for some reason we have no working image renderer
+            // --> fallback to default cell size
+            const cellSize = CELL_SIZE_DEFAULT;
+            width = (this._terminal?.cols || 80) * cellSize.width;
+            height = (this._terminal?.rows || 24) * cellSize.height;
+          }
+          if (width * height < this._opts.pixelLimit) {
+            this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${width.toFixed(0)};${height.toFixed(0)}S`);
+          } else {
+            // if we overflow pixelLimit report that squared instead
+            const x = Math.floor(Math.sqrt(this._opts.pixelLimit));
+            this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${x};${x}S`);
+          }
+          return true;
+        case GaAction.READ_MAX:
+          // read_max returns pixelLimit as square area
+          const x = Math.floor(Math.sqrt(this._opts.pixelLimit));
+          this._report(`\x1b[?${params[0]};${GaStatus.SUCCESS};${x};${x}S`);
+          return true;
+        default:
+          this._report(`\x1b[?${params[0]};${GaStatus.ACTION_ERROR}S`);
+          return true;
+      }
+    }
+    // exit with error on ReGIS or any other requests
+    this._report(`\x1b[?${params[0]};${GaStatus.ITEM_ERROR}S`);
+    return true;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/ImageRenderer.ts b/web/public/node_modules/@xterm/addon-image/src/ImageRenderer.ts
new file mode 100644
index 000000000..214a2e6bd
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/ImageRenderer.ts
@@ -0,0 +1,379 @@
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { toRGBA8888 } from 'sixel/lib/Colors';
+import { IDisposable } from '@xterm/xterm';
+import { ICellSize, ITerminalExt, IImageSpec, IRenderDimensions, IRenderService } from './Types';
+import { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';
+
+
+const PLACEHOLDER_LENGTH = 4096;
+const PLACEHOLDER_HEIGHT = 24;
+
+/**
+ * ImageRenderer - terminal frontend extension:
+ * - provide primitives for canvas, ImageData, Bitmap (static)
+ * - add canvas layer to DOM (browser only for now)
+ * - draw image tiles onRender
+ */
+export class ImageRenderer extends Disposable implements IDisposable {
+  public canvas: HTMLCanvasElement | undefined;
+  private _ctx: CanvasRenderingContext2D | null | undefined;
+  private _placeholder: HTMLCanvasElement | undefined;
+  private _placeholderBitmap: ImageBitmap | undefined;
+  private _optionsRefresh = this.register(new MutableDisposable());
+  private _oldOpen: ((parent: HTMLElement) => void) | undefined;
+  private _renderService: IRenderService | undefined;
+  private _oldSetRenderer: ((renderer: any) => void) | undefined;
+
+  // drawing primitive - canvas
+  public static createCanvas(localDocument: Document | undefined, width: number, height: number): HTMLCanvasElement {
+    /**
+     * NOTE: We normally dont care, from which document the canvas
+     * gets created, so we can fall back to global document,
+     * if the terminal has no document associated yet.
+     * This way early image loads before calling .open keep working
+     * (still discouraged though, as the metrics will be screwed up).
+     * Only the DOM output canvas should be on the terminal's document,
+     * which gets explicitly checked in `insertLayerToDom`.
+     */
+    const canvas = (localDocument || document).createElement('canvas');
+    canvas.width = width | 0;
+    canvas.height = height | 0;
+    return canvas;
+  }
+
+  // drawing primitive - ImageData with optional buffer
+  public static createImageData(ctx: CanvasRenderingContext2D, width: number, height: number, buffer?: ArrayBuffer): ImageData {
+    if (typeof ImageData !== 'function') {
+      const imgData = ctx.createImageData(width, height);
+      if (buffer) {
+        imgData.data.set(new Uint8ClampedArray(buffer, 0, width * height * 4));
+      }
+      return imgData;
+    }
+    return buffer
+      ? new ImageData(new Uint8ClampedArray(buffer, 0, width * height * 4), width, height)
+      : new ImageData(width, height);
+  }
+
+  // drawing primitive - ImageBitmap
+  public static createImageBitmap(img: ImageBitmapSource): Promise<ImageBitmap | undefined> {
+    if (typeof createImageBitmap !== 'function') {
+      return Promise.resolve(undefined);
+    }
+    return createImageBitmap(img);
+  }
+
+
+  constructor(private _terminal: ITerminalExt) {
+    super();
+    this._oldOpen = this._terminal._core.open;
+    this._terminal._core.open = (parent: HTMLElement): void => {
+      this._oldOpen?.call(this._terminal._core, parent);
+      this._open();
+    };
+    if (this._terminal._core.screenElement) {
+      this._open();
+    }
+    // hack to spot fontSize changes
+    this._optionsRefresh.value = this._terminal._core.optionsService.onOptionChange(option => {
+      if (option === 'fontSize') {
+        this.rescaleCanvas();
+        this._renderService?.refreshRows(0, this._terminal.rows);
+      }
+    });
+    this.register(toDisposable(() => {
+      this.removeLayerFromDom();
+      if (this._terminal._core && this._oldOpen) {
+        this._terminal._core.open = this._oldOpen;
+        this._oldOpen = undefined;
+      }
+      if (this._renderService && this._oldSetRenderer) {
+        this._renderService.setRenderer = this._oldSetRenderer;
+        this._oldSetRenderer = undefined;
+      }
+      this._renderService = undefined;
+      this.canvas = undefined;
+      this._ctx = undefined;
+      this._placeholderBitmap?.close();
+      this._placeholderBitmap = undefined;
+      this._placeholder = undefined;
+    }));
+  }
+
+  /**
+   * Enable the placeholder.
+   */
+  public showPlaceholder(value: boolean): void {
+    if (value) {
+      if (!this._placeholder && this.cellSize.height !== -1) {
+        this._createPlaceHolder(Math.max(this.cellSize.height + 1, PLACEHOLDER_HEIGHT));
+      }
+    } else {
+      this._placeholderBitmap?.close();
+      this._placeholderBitmap = undefined;
+      this._placeholder = undefined;
+    }
+    this._renderService?.refreshRows(0, this._terminal.rows);
+  }
+
+  /**
+   * Dimensions of the terminal.
+   * Forwarded from internal render service.
+   */
+  public get dimensions(): IRenderDimensions | undefined {
+    return this._renderService?.dimensions;
+  }
+
+  /**
+   * Current cell size (float).
+   */
+  public get cellSize(): ICellSize {
+    return {
+      width: this.dimensions?.css.cell.width || -1,
+      height: this.dimensions?.css.cell.height || -1
+    };
+  }
+
+  /**
+   * Clear a region of the image layer canvas.
+   */
+  public clearLines(start: number, end: number): void {
+    this._ctx?.clearRect(
+      0,
+      start * (this.dimensions?.css.cell.height || 0),
+      this.dimensions?.css.canvas.width || 0,
+      (++end - start) * (this.dimensions?.css.cell.height || 0)
+    );
+  }
+
+  /**
+   * Clear whole image canvas.
+   */
+  public clearAll(): void {
+    this._ctx?.clearRect(0, 0, this.canvas?.width || 0, this.canvas?.height || 0);
+  }
+
+  /**
+   * Draw neighboring tiles on the image layer canvas.
+   */
+  public draw(imgSpec: IImageSpec, tileId: number, col: number, row: number, count: number = 1): void {
+    if (!this._ctx) {
+      return;
+    }
+    const { width, height } = this.cellSize;
+
+    // Don't try to draw anything, if we cannot get valid renderer metrics.
+    if (width === -1 || height === -1) {
+      return;
+    }
+
+    this._rescaleImage(imgSpec, width, height);
+    const img = imgSpec.actual!;
+    const cols = Math.ceil(img.width / width);
+
+    const sx = (tileId % cols) * width;
+    const sy = Math.floor(tileId / cols) * height;
+    const dx = col * width;
+    const dy = row * height;
+
+    // safari bug: never access image source out of bounds
+    const finalWidth = count * width + sx > img.width ? img.width - sx : count * width;
+    const finalHeight = sy + height > img.height ? img.height - sy : height;
+
+    // Floor all pixel offsets to get stable tile mapping without any overflows.
+    // Note: For not pixel perfect aligned cells like in the DOM renderer
+    // this will move a tile slightly to the top/left (subpixel range, thus ignore it).
+    // FIX #34: avoid striping on displays with pixelDeviceRatio != 1 by ceiling height and width
+    this._ctx.drawImage(
+      img,
+      Math.floor(sx), Math.floor(sy), Math.ceil(finalWidth), Math.ceil(finalHeight),
+      Math.floor(dx), Math.floor(dy), Math.ceil(finalWidth), Math.ceil(finalHeight)
+    );
+  }
+
+  /**
+   * Extract a single tile from an image.
+   */
+  public extractTile(imgSpec: IImageSpec, tileId: number): HTMLCanvasElement | undefined {
+    const { width, height } = this.cellSize;
+    // Don't try to draw anything, if we cannot get valid renderer metrics.
+    if (width === -1 || height === -1) {
+      return;
+    }
+    this._rescaleImage(imgSpec, width, height);
+    const img = imgSpec.actual!;
+    const cols = Math.ceil(img.width / width);
+    const sx = (tileId % cols) * width;
+    const sy = Math.floor(tileId / cols) * height;
+    const finalWidth = width + sx > img.width ? img.width - sx : width;
+    const finalHeight = sy + height > img.height ? img.height - sy : height;
+
+    const canvas = ImageRenderer.createCanvas(this.document, finalWidth, finalHeight);
+    const ctx = canvas.getContext('2d');
+    if (ctx) {
+      ctx.drawImage(
+        img,
+        Math.floor(sx), Math.floor(sy), Math.floor(finalWidth), Math.floor(finalHeight),
+        0, 0, Math.floor(finalWidth), Math.floor(finalHeight)
+      );
+      return canvas;
+    }
+  }
+
+  /**
+   * Draw a line with placeholder on the image layer canvas.
+   */
+  public drawPlaceholder(col: number, row: number, count: number = 1): void {
+    if (this._ctx) {
+      const { width, height } = this.cellSize;
+
+      // Don't try to draw anything, if we cannot get valid renderer metrics.
+      if (width === -1 || height === -1) {
+        return;
+      }
+
+      if (!this._placeholder) {
+        this._createPlaceHolder(Math.max(height + 1, PLACEHOLDER_HEIGHT));
+      } else if (height >= this._placeholder!.height) {
+        this._createPlaceHolder(height + 1);
+      }
+      if (!this._placeholder) return;
+      this._ctx.drawImage(
+        this._placeholderBitmap || this._placeholder!,
+        col * width,
+        (row * height) % 2 ? 0 : 1,  // needs %2 offset correction
+        width * count,
+        height,
+        col * width,
+        row * height,
+        width * count,
+        height
+      );
+    }
+  }
+
+  /**
+   * Rescale image layer canvas if needed.
+   * Checked once from `ImageStorage.render`.
+   */
+  public rescaleCanvas(): void {
+    if (!this.canvas) {
+      return;
+    }
+    if (this.canvas.width !== this.dimensions!.css.canvas.width || this.canvas.height !== this.dimensions!.css.canvas.height) {
+      this.canvas.width = this.dimensions!.css.canvas.width || 0;
+      this.canvas.height = this.dimensions!.css.canvas.height || 0;
+    }
+  }
+
+  /**
+   * Rescale image in storage if needed.
+   */
+  private _rescaleImage(spec: IImageSpec, currentWidth: number, currentHeight: number): void {
+    if (currentWidth === spec.actualCellSize.width && currentHeight === spec.actualCellSize.height) {
+      return;
+    }
+    const { width: originalWidth, height: originalHeight } = spec.origCellSize;
+    if (currentWidth === originalWidth && currentHeight === originalHeight) {
+      spec.actual = spec.orig;
+      spec.actualCellSize.width = originalWidth;
+      spec.actualCellSize.height = originalHeight;
+      return;
+    }
+    const canvas = ImageRenderer.createCanvas(
+      this.document,
+      Math.ceil(spec.orig!.width * currentWidth / originalWidth),
+      Math.ceil(spec.orig!.height * currentHeight / originalHeight)
+    );
+    const ctx = canvas.getContext('2d');
+    if (ctx) {
+      ctx.drawImage(spec.orig!, 0, 0, canvas.width, canvas.height);
+      spec.actual = canvas;
+      spec.actualCellSize.width = currentWidth;
+      spec.actualCellSize.height = currentHeight;
+    }
+  }
+
+  /**
+   * Lazy init for the renderer.
+   */
+  private _open(): void {
+    this._renderService = this._terminal._core._renderService;
+    this._oldSetRenderer = this._renderService.setRenderer.bind(this._renderService);
+    this._renderService.setRenderer = (renderer: any) => {
+      this.removeLayerFromDom();
+      this._oldSetRenderer?.call(this._renderService, renderer);
+    };
+  }
+
+  public insertLayerToDom(): void {
+    // make sure that the terminal is attached to a document and to DOM
+    if (this.document && this._terminal._core.screenElement) {
+      if (!this.canvas) {
+        this.canvas = ImageRenderer.createCanvas(
+          this.document, this.dimensions?.css.canvas.width || 0,
+          this.dimensions?.css.canvas.height || 0
+        );
+        this.canvas.classList.add('xterm-image-layer');
+        this._terminal._core.screenElement.appendChild(this.canvas);
+        this._ctx = this.canvas.getContext('2d', { alpha: true, desynchronized: true });
+        this.clearAll();
+      }
+    } else {
+      console.warn('image addon: cannot insert output canvas to DOM, missing document or screenElement');
+    }
+  }
+
+  public removeLayerFromDom(): void {
+    if (this.canvas) {
+      this._ctx = undefined;
+      this.canvas.remove();
+      this.canvas = undefined;
+    }
+  }
+
+  private _createPlaceHolder(height: number = PLACEHOLDER_HEIGHT): void {
+    this._placeholderBitmap?.close();
+    this._placeholderBitmap = undefined;
+
+    // create blueprint to fill placeholder with
+    const bWidth = 32;  // must be 2^n
+    const blueprint = ImageRenderer.createCanvas(this.document, bWidth, height);
+    const ctx = blueprint.getContext('2d', { alpha: false });
+    if (!ctx) return;
+    const imgData = ImageRenderer.createImageData(ctx, bWidth, height);
+    const d32 = new Uint32Array(imgData.data.buffer);
+    const black = toRGBA8888(0, 0, 0);
+    const white = toRGBA8888(255, 255, 255);
+    d32.fill(black);
+    for (let y = 0; y < height; ++y) {
+      const shift = y % 2;
+      const offset = y * bWidth;
+      for (let x = 0; x < bWidth; x += 2) {
+        d32[offset + x + shift] = white;
+      }
+    }
+    ctx.putImageData(imgData, 0, 0);
+
+    // create placeholder line, width aligned to blueprint width
+    const width = (screen.width + bWidth - 1) & ~(bWidth - 1) || PLACEHOLDER_LENGTH;
+    this._placeholder = ImageRenderer.createCanvas(this.document, width, height);
+    const ctx2 = this._placeholder.getContext('2d', { alpha: false });
+    if (!ctx2) {
+      this._placeholder = undefined;
+      return;
+    }
+    for (let i = 0; i < width; i += bWidth) {
+      ctx2.drawImage(blueprint, i, 0);
+    }
+    ImageRenderer.createImageBitmap(this._placeholder).then(bitmap => this._placeholderBitmap = bitmap);
+  }
+
+  public get document(): Document | undefined {
+    return this._terminal._core._coreBrowserService?.window.document;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/ImageStorage.ts b/web/public/node_modules/@xterm/addon-image/src/ImageStorage.ts
new file mode 100644
index 000000000..f9b6eef68
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/ImageStorage.ts
@@ -0,0 +1,604 @@
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from '@xterm/xterm';
+import { ImageRenderer } from './ImageRenderer';
+import { ITerminalExt, IExtendedAttrsImage, IImageAddonOptions, IImageSpec, IBufferLineExt, BgFlags, Cell, Content, ICellSize, ExtFlags, Attributes, UnderlineStyle } from './Types';
+
+
+// fallback default cell size
+export const CELL_SIZE_DEFAULT: ICellSize = {
+  width: 7,
+  height: 14
+};
+
+/**
+ * Extend extended attribute to also hold image tile information.
+ *
+ * Object definition is copied from base repo to fully mimick its behavior.
+ * Image data is added as additional public properties `imageId` and `tileId`.
+ */
+class ExtendedAttrsImage implements IExtendedAttrsImage {
+  private _ext: number = 0;
+  public get ext(): number {
+    if (this._urlId) {
+      return (
+        (this._ext & ~ExtFlags.UNDERLINE_STYLE) |
+        (this.underlineStyle << 26)
+      );
+    }
+    return this._ext;
+  }
+  public set ext(value: number) { this._ext = value; }
+
+  public get underlineStyle(): UnderlineStyle {
+    // Always return the URL style if it has one
+    if (this._urlId) {
+      return UnderlineStyle.DASHED;
+    }
+    return (this._ext & ExtFlags.UNDERLINE_STYLE) >> 26;
+  }
+  public set underlineStyle(value: UnderlineStyle) {
+    this._ext &= ~ExtFlags.UNDERLINE_STYLE;
+    this._ext |= (value << 26) & ExtFlags.UNDERLINE_STYLE;
+  }
+
+  public get underlineColor(): number {
+    return this._ext & (Attributes.CM_MASK | Attributes.RGB_MASK);
+  }
+  public set underlineColor(value: number) {
+    this._ext &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+    this._ext |= value & (Attributes.CM_MASK | Attributes.RGB_MASK);
+  }
+
+  public get underlineVariantOffset(): number {
+    const val = (this._ext & ExtFlags.VARIANT_OFFSET) >> 29;
+    if (val < 0) {
+      return val ^ 0xFFFFFFF8;
+    }
+    return val;
+  }
+  public set underlineVariantOffset(value: number) {
+    this._ext &= ~ExtFlags.VARIANT_OFFSET;
+    this._ext |= (value << 29) & ExtFlags.VARIANT_OFFSET;
+  }
+
+  private _urlId: number = 0;
+  public get urlId(): number {
+    return this._urlId;
+  }
+  public set urlId(value: number) {
+    this._urlId = value;
+  }
+
+  constructor(
+    ext: number = 0,
+    urlId: number = 0,
+    public imageId = -1,
+    public tileId = -1
+  ) {
+    this._ext = ext;
+    this._urlId = urlId;
+  }
+
+  public clone(): IExtendedAttrsImage {
+    /**
+     * Technically we dont need a clone variant of ExtendedAttrsImage,
+     * as we never clone a cell holding image data.
+     * Note: Clone is only meant to be used by the InputHandler for
+     * sticky attributes, which is never the case for image data.
+     * We still provide a proper clone method to reflect the full ext attr
+     * state in case there are future use cases for clone.
+     */
+    return new ExtendedAttrsImage(this._ext, this._urlId, this.imageId, this.tileId);
+  }
+
+  public isEmpty(): boolean {
+    return this.underlineStyle === UnderlineStyle.NONE && this._urlId === 0 && this.imageId === -1;
+  }
+}
+const EMPTY_ATTRS = new ExtendedAttrsImage();
+
+
+/**
+ * ImageStorage - extension of CoreTerminal:
+ * - hold image data
+ * - write/read image data to/from buffer
+ *
+ * TODO: image composition for overwrites
+ */
+export class ImageStorage implements IDisposable {
+  // storage
+  private _images: Map<number, IImageSpec> = new Map();
+  // last used id
+  private _lastId = 0;
+  // last evicted id
+  private _lowestId = 0;
+  // whether a full clear happened before
+  private _fullyCleared = false;
+  // whether render should do a full clear
+  private _needsFullClear = false;
+  // hard limit of stored pixels (fallback limit of 10 MB)
+  private _pixelLimit: number = 2500000;
+
+  private _viewportMetrics: { cols: number, rows: number };
+
+  constructor(
+    private _terminal: ITerminalExt,
+    private _renderer: ImageRenderer,
+    private _opts: IImageAddonOptions
+  ) {
+    try {
+      this.setLimit(this._opts.storageLimit);
+    } catch (e: any) {
+      console.error(e.message);
+      console.warn(`storageLimit is set to ${this.getLimit()} MB`);
+    }
+    this._viewportMetrics = {
+      cols: this._terminal.cols,
+      rows: this._terminal.rows
+    };
+  }
+
+  public dispose(): void {
+    this.reset();
+  }
+
+  public reset(): void {
+    for (const spec of this._images.values()) {
+      spec.marker?.dispose();
+    }
+    // NOTE: marker.dispose above already calls ImageBitmap.close
+    // therefore we can just wipe the map here
+    this._images.clear();
+    this._renderer.clearAll();
+  }
+
+  public getLimit(): number {
+    return this._pixelLimit * 4 / 1000000;
+  }
+
+  public setLimit(value: number): void {
+    if (value < 0.5 || value > 1000) {
+      throw RangeError('invalid storageLimit, should be at least 0.5 MB and not exceed 1G');
+    }
+    this._pixelLimit = (value / 4 * 1000000) >>> 0;
+    this._evictOldest(0);
+  }
+
+  public getUsage(): number {
+    return this._getStoredPixels() * 4 / 1000000;
+  }
+
+  private _getStoredPixels(): number {
+    let storedPixels = 0;
+    for (const spec of this._images.values()) {
+      if (spec.orig) {
+        storedPixels += spec.orig.width * spec.orig.height;
+        if (spec.actual && spec.actual !== spec.orig) {
+          storedPixels += spec.actual.width * spec.actual.height;
+        }
+      }
+    }
+    return storedPixels;
+  }
+
+  private _delImg(id: number): void {
+    const spec = this._images.get(id);
+    this._images.delete(id);
+    // FIXME: really ugly workaround to get bitmaps deallocated :(
+    if (spec && window.ImageBitmap && spec.orig instanceof ImageBitmap) {
+      spec.orig.close();
+    }
+  }
+
+  /**
+   * Wipe canvas and images on alternate buffer.
+   */
+  public wipeAlternate(): void {
+    // remove all alternate tagged images
+    const zero = [];
+    for (const [id, spec] of this._images.entries()) {
+      if (spec.bufferType === 'alternate') {
+        spec.marker?.dispose();
+        zero.push(id);
+      }
+    }
+    for (const id of zero) {
+      this._delImg(id);
+    }
+    // mark canvas to be wiped on next render
+    this._needsFullClear = true;
+    this._fullyCleared = false;
+  }
+
+  /**
+   * Only advance text cursor.
+   * This is an edge case from empty sixels carrying only a height but no pixels.
+   * Partially fixes https://github.com/jerch/xterm-addon-image/issues/37.
+   */
+  public advanceCursor(height: number): void {
+    if (this._opts.sixelScrolling) {
+      let cellSize = this._renderer.cellSize;
+      if (cellSize.width === -1 || cellSize.height === -1) {
+        cellSize = CELL_SIZE_DEFAULT;
+      }
+      const rows = Math.ceil(height / cellSize.height);
+      for (let i = 1; i < rows; ++i) {
+        this._terminal._core._inputHandler.lineFeed();
+      }
+    }
+  }
+
+  /**
+   * Method to add an image to the storage.
+   */
+  public addImage(img: HTMLCanvasElement | ImageBitmap): void {
+    // never allow storage to exceed memory limit
+    this._evictOldest(img.width * img.height);
+
+    // calc rows x cols needed to display the image
+    let cellSize = this._renderer.cellSize;
+    if (cellSize.width === -1 || cellSize.height === -1) {
+      cellSize = CELL_SIZE_DEFAULT;
+    }
+    const cols = Math.ceil(img.width / cellSize.width);
+    const rows = Math.ceil(img.height / cellSize.height);
+
+    const imageId = ++this._lastId;
+
+    const buffer = this._terminal._core.buffer;
+    const termCols = this._terminal.cols;
+    const termRows = this._terminal.rows;
+    const originX = buffer.x;
+    const originY = buffer.y;
+    let offset = originX;
+    let tileCount = 0;
+
+    if (!this._opts.sixelScrolling) {
+      buffer.x = 0;
+      buffer.y = 0;
+      offset = 0;
+    }
+
+    this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);
+    for (let row = 0; row < rows; ++row) {
+      const line = buffer.lines.get(buffer.y + buffer.ybase);
+      for (let col = 0; col < cols; ++col) {
+        if (offset + col >= termCols) break;
+        this._writeToCell(line as IBufferLineExt, offset + col, imageId, row * cols + col);
+        tileCount++;
+      }
+      if (this._opts.sixelScrolling) {
+        if (row < rows - 1) this._terminal._core._inputHandler.lineFeed();
+      } else {
+        if (++buffer.y >= termRows) break;
+      }
+      buffer.x = offset;
+    }
+    this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);
+
+    // cursor positioning modes
+    if (this._opts.sixelScrolling) {
+      buffer.x = offset;
+    } else {
+      buffer.x = originX;
+      buffer.y = originY;
+    }
+
+    // deleted images with zero tile count
+    const zero = [];
+    for (const [id, spec] of this._images.entries()) {
+      if (spec.tileCount < 1) {
+        spec.marker?.dispose();
+        zero.push(id);
+      }
+    }
+    for (const id of zero) {
+      this._delImg(id);
+    }
+
+    // eviction marker:
+    // delete the image when the marker gets disposed
+    const endMarker = this._terminal.registerMarker(0);
+    endMarker?.onDispose(() => {
+      const spec = this._images.get(imageId);
+      if (spec) {
+        this._delImg(imageId);
+      }
+    });
+
+    // since markers do not work on alternate for some reason,
+    // we evict images here manually
+    if (this._terminal.buffer.active.type === 'alternate') {
+      this._evictOnAlternate();
+    }
+
+    // create storage entry
+    const imgSpec: IImageSpec = {
+      orig: img,
+      origCellSize: cellSize,
+      actual: img,
+      actualCellSize: { ...cellSize },  // clone needed, since later modified
+      marker: endMarker || undefined,
+      tileCount,
+      bufferType: this._terminal.buffer.active.type
+    };
+
+    // finally add the image
+    this._images.set(imageId, imgSpec);
+  }
+
+
+  /**
+   * Render method. Collects buffer information and triggers
+   * canvas updates.
+   */
+  // TODO: Should we move this to the ImageRenderer?
+  public render(range: { start: number, end: number }): void {
+    // setup image canvas in case we have none yet, but have images in store
+    if (!this._renderer.canvas && this._images.size) {
+      this._renderer.insertLayerToDom();
+      // safety measure - in case we cannot spawn a canvas at all, just exit
+      if (!this._renderer.canvas) {
+        return;
+      }
+    }
+    // rescale if needed
+    this._renderer.rescaleCanvas();
+    // exit early if we dont have any images to test for
+    if (!this._images.size) {
+      if (!this._fullyCleared) {
+        this._renderer.clearAll();
+        this._fullyCleared = true;
+        this._needsFullClear = false;
+      }
+      if (this._renderer.canvas) {
+        this._renderer.removeLayerFromDom();
+      }
+      return;
+    }
+
+    // buffer switches force a full clear
+    if (this._needsFullClear) {
+      this._renderer.clearAll();
+      this._fullyCleared = true;
+      this._needsFullClear = false;
+    }
+
+    const { start, end } = range;
+    const buffer = this._terminal._core.buffer;
+    const cols = this._terminal._core.cols;
+
+    // clear drawing area
+    this._renderer.clearLines(start, end);
+
+    // walk all cells in viewport and draw tiles found
+    for (let row = start; row <= end; ++row) {
+      const line = buffer.lines.get(row + buffer.ydisp) as IBufferLineExt;
+      if (!line) return;
+      for (let col = 0; col < cols; ++col) {
+        if (line.getBg(col) & BgFlags.HAS_EXTENDED) {
+          let e: IExtendedAttrsImage = line._extendedAttrs[col] || EMPTY_ATTRS;
+          const imageId = e.imageId;
+          if (imageId === undefined || imageId === -1) {
+            continue;
+          }
+          const imgSpec = this._images.get(imageId);
+          if (e.tileId !== -1) {
+            const startTile = e.tileId;
+            const startCol = col;
+            let count = 1;
+            /**
+             * merge tiles to the right into a single draw call, if:
+             * - not at end of line
+             * - cell has same image id
+             * - cell has consecutive tile id
+             */
+            while (
+              ++col < cols
+              && (line.getBg(col) & BgFlags.HAS_EXTENDED)
+              && (e = line._extendedAttrs[col] || EMPTY_ATTRS)
+              && (e.imageId === imageId)
+              && (e.tileId === startTile + count)
+            ) {
+              count++;
+            }
+            col--;
+            if (imgSpec) {
+              if (imgSpec.actual) {
+                this._renderer.draw(imgSpec, startTile, startCol, row, count);
+              }
+            } else if (this._opts.showPlaceholder) {
+              this._renderer.drawPlaceholder(startCol, row, count);
+            }
+            this._fullyCleared = false;
+          }
+        }
+      }
+    }
+  }
+
+  public viewportResize(metrics: { cols: number, rows: number }): void {
+    // exit early if we have nothing in storage
+    if (!this._images.size) {
+      this._viewportMetrics = metrics;
+      return;
+    }
+
+    // handle only viewport width enlargements, exit all other cases
+    // TODO: needs patch for tile counter
+    if (this._viewportMetrics.cols >= metrics.cols) {
+      this._viewportMetrics = metrics;
+      return;
+    }
+
+    // walk scrollbuffer at old col width to find all possible expansion matches
+    const buffer = this._terminal._core.buffer;
+    const rows = buffer.lines.length;
+    const oldCol = this._viewportMetrics.cols - 1;
+    for (let row = 0; row < rows; ++row) {
+      const line = buffer.lines.get(row) as IBufferLineExt;
+      if (line.getBg(oldCol) & BgFlags.HAS_EXTENDED) {
+        const e: IExtendedAttrsImage = line._extendedAttrs[oldCol] || EMPTY_ATTRS;
+        const imageId = e.imageId;
+        if (imageId === undefined || imageId === -1) {
+          continue;
+        }
+        const imgSpec = this._images.get(imageId);
+        if (!imgSpec) {
+          continue;
+        }
+        // found an image tile at oldCol, check if it qualifies for right exapansion
+        const tilesPerRow = Math.ceil((imgSpec.actual?.width || 0) / imgSpec.actualCellSize.width);
+        if ((e.tileId % tilesPerRow) + 1 >= tilesPerRow) {
+          continue;
+        }
+        // expand only if right side is empty (nothing got wrapped from below)
+        let hasData = false;
+        for (let rightCol = oldCol + 1; rightCol > metrics.cols; ++rightCol) {
+          if (line._data[rightCol * Cell.SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK) {
+            hasData = true;
+            break;
+          }
+        }
+        if (hasData) {
+          continue;
+        }
+        // do right expansion on terminal buffer
+        const end = Math.min(metrics.cols, tilesPerRow - (e.tileId % tilesPerRow) + oldCol);
+        let lastTile = e.tileId;
+        for (let expandCol = oldCol + 1; expandCol < end; ++expandCol) {
+          this._writeToCell(line as IBufferLineExt, expandCol, imageId, ++lastTile);
+          imgSpec.tileCount++;
+        }
+      }
+    }
+    // store new viewport metrics
+    this._viewportMetrics = metrics;
+  }
+
+  /**
+   * Retrieve original canvas at buffer position.
+   */
+  public getImageAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {
+    const buffer = this._terminal._core.buffer;
+    const line = buffer.lines.get(y) as IBufferLineExt;
+    if (line && line.getBg(x) & BgFlags.HAS_EXTENDED) {
+      const e: IExtendedAttrsImage = line._extendedAttrs[x] || EMPTY_ATTRS;
+      if (e.imageId && e.imageId !== -1) {
+        const orig = this._images.get(e.imageId)?.orig;
+        if (window.ImageBitmap && orig instanceof ImageBitmap) {
+          const canvas = ImageRenderer.createCanvas(window.document, orig.width, orig.height);
+          canvas.getContext('2d')?.drawImage(orig, 0, 0, orig.width, orig.height);
+          return canvas;
+        }
+        return orig as HTMLCanvasElement;
+      }
+    }
+  }
+
+  /**
+   * Extract active single tile at buffer position.
+   */
+  public extractTileAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined {
+    const buffer = this._terminal._core.buffer;
+    const line = buffer.lines.get(y) as IBufferLineExt;
+    if (line && line.getBg(x) & BgFlags.HAS_EXTENDED) {
+      const e: IExtendedAttrsImage = line._extendedAttrs[x] || EMPTY_ATTRS;
+      if (e.imageId && e.imageId !== -1 && e.tileId !== -1) {
+        const spec = this._images.get(e.imageId);
+        if (spec) {
+          return this._renderer.extractTile(spec, e.tileId);
+        }
+      }
+    }
+  }
+
+  // TODO: Do we need some blob offloading tricks here to avoid early eviction?
+  // also see https://stackoverflow.com/questions/28307789/is-there-any-limitation-on-javascript-max-blob-size
+  private _evictOldest(room: number): number {
+    const used = this._getStoredPixels();
+    let current = used;
+    while (this._pixelLimit < current + room && this._images.size) {
+      const spec = this._images.get(++this._lowestId);
+      if (spec && spec.orig) {
+        current -= spec.orig.width * spec.orig.height;
+        if (spec.actual && spec.orig !== spec.actual) {
+          current -= spec.actual.width * spec.actual.height;
+        }
+        spec.marker?.dispose();
+        this._delImg(this._lowestId);
+      }
+    }
+    return used - current;
+  }
+
+  private _writeToCell(line: IBufferLineExt, x: number, imageId: number, tileId: number): void {
+    if (line._data[x * Cell.SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {
+      const old = line._extendedAttrs[x];
+      if (old) {
+        if (old.imageId !== undefined) {
+          // found an old ExtendedAttrsImage, since we know that
+          // they are always isolated instances (single cell usage),
+          // we can re-use it and just update their id entries
+          const oldSpec = this._images.get(old.imageId);
+          if (oldSpec) {
+            // early eviction for in-viewport overwrites
+            oldSpec.tileCount--;
+          }
+          old.imageId = imageId;
+          old.tileId = tileId;
+          return;
+        }
+        // found a plain ExtendedAttrs instance, clone it to new entry
+        line._extendedAttrs[x] = new ExtendedAttrsImage(old.ext, old.urlId, imageId, tileId);
+        return;
+      }
+    }
+    // fall-through: always create new ExtendedAttrsImage entry
+    line._data[x * Cell.SIZE + Cell.BG] |= BgFlags.HAS_EXTENDED;
+    line._extendedAttrs[x] = new ExtendedAttrsImage(0, 0, imageId, tileId);
+  }
+
+  private _evictOnAlternate(): void {
+    // nullify tile count of all images on alternate buffer
+    for (const spec of this._images.values()) {
+      if (spec.bufferType === 'alternate') {
+        spec.tileCount = 0;
+      }
+    }
+    // re-count tiles on whole buffer
+    const buffer = this._terminal._core.buffer;
+    for (let y = 0; y < this._terminal.rows; ++y) {
+      const line = buffer.lines.get(y) as IBufferLineExt;
+      if (!line) {
+        continue;
+      }
+      for (let x = 0; x < this._terminal.cols; ++x) {
+        if (line._data[x * Cell.SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {
+          const imgId = line._extendedAttrs[x]?.imageId;
+          if (imgId) {
+            const spec = this._images.get(imgId);
+            if (spec) {
+              spec.tileCount++;
+            }
+          }
+        }
+      }
+    }
+    // deleted images with zero tile count
+    const zero = [];
+    for (const [id, spec] of this._images.entries()) {
+      if (spec.bufferType === 'alternate' && !spec.tileCount) {
+        spec.marker?.dispose();
+        zero.push(id);
+      }
+    }
+    for (const id of zero) {
+      this._delImg(id);
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/SixelHandler.ts b/web/public/node_modules/@xterm/addon-image/src/SixelHandler.ts
new file mode 100644
index 000000000..00a36a4ac
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/SixelHandler.ts
@@ -0,0 +1,151 @@
+/**
+ * Copyright (c) 2020, 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ImageStorage } from './ImageStorage';
+import { IDcsHandler, IParams, IImageAddonOptions, ITerminalExt, AttributeData, IResetHandler, ReadonlyColorSet } from './Types';
+import { toRGBA8888, BIG_ENDIAN, PALETTE_ANSI_256, PALETTE_VT340_COLOR } from 'sixel/lib/Colors';
+import { RGBA8888 } from 'sixel/lib/Types';
+import { ImageRenderer } from './ImageRenderer';
+
+import { DecoderAsync, Decoder } from 'sixel/lib/Decoder';
+
+// always free decoder ressources after decoding if it exceeds this limit
+const MEM_PERMA_LIMIT = 4194304; // 1024 pixels * 1024 pixels * 4 channels = 4MB
+
+// custom default palette: VT340 (lower 16 colors) + ANSI256 (up to 256) + zeroed (up to 4096)
+const DEFAULT_PALETTE = PALETTE_ANSI_256;
+DEFAULT_PALETTE.set(PALETTE_VT340_COLOR);
+
+
+export class SixelHandler implements IDcsHandler, IResetHandler {
+  private _size = 0;
+  private _aborted = false;
+  private _dec: Decoder | undefined;
+
+  constructor(
+    private readonly _opts: IImageAddonOptions,
+    private readonly _storage: ImageStorage,
+    private readonly _coreTerminal: ITerminalExt
+  ) {
+    DecoderAsync({
+      memoryLimit: this._opts.pixelLimit * 4,
+      palette: DEFAULT_PALETTE,
+      paletteLimit: this._opts.sixelPaletteLimit
+    }).then(d => this._dec = d);
+  }
+
+  public reset(): void {
+    /**
+     * reset sixel decoder to defaults:
+     * - release all memory
+     * - nullify palette (4096)
+     * - apply default palette (256)
+     */
+    if (this._dec) {
+      this._dec.release();
+      // FIXME: missing interface on decoder to nullify full palette
+      (this._dec as any)._palette.fill(0);
+      this._dec.init(0, DEFAULT_PALETTE, this._opts.sixelPaletteLimit);
+    }
+  }
+
+  public hook(params: IParams): void {
+    this._size = 0;
+    this._aborted = false;
+    if (this._dec) {
+      const fillColor = params.params[1] === 1 ? 0 : extractActiveBg(
+        this._coreTerminal._core._inputHandler._curAttrData,
+        this._coreTerminal._core._themeService?.colors);
+      this._dec.init(fillColor, null, this._opts.sixelPaletteLimit);
+    }
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._aborted || !this._dec) {
+      return;
+    }
+    this._size += end - start;
+    if (this._size > this._opts.sixelSizeLimit) {
+      console.warn(`SIXEL: too much data, aborting`);
+      this._aborted = true;
+      this._dec.release();
+      return;
+    }
+    try {
+      this._dec.decode(data, start, end);
+    } catch (e) {
+      console.warn(`SIXEL: error while decoding image - ${e}`);
+      this._aborted = true;
+      this._dec.release();
+    }
+  }
+
+  public unhook(success: boolean): boolean | Promise<boolean> {
+    if (this._aborted || !success || !this._dec) {
+      return true;
+    }
+
+    const width = this._dec.width;
+    const height = this._dec.height;
+
+    // partial fix for https://github.com/jerch/xterm-addon-image/issues/37
+    if (!width || ! height) {
+      if (height) {
+        this._storage.advanceCursor(height);
+      }
+      return true;
+    }
+
+    const canvas = ImageRenderer.createCanvas(undefined, width, height);
+    canvas.getContext('2d')?.putImageData(new ImageData(this._dec.data8, width, height), 0, 0);
+    if (this._dec.memoryUsage > MEM_PERMA_LIMIT) {
+      this._dec.release();
+    }
+    this._storage.addImage(canvas);
+    return true;
+  }
+}
+
+
+/**
+ * Some helpers to extract current terminal colors.
+ */
+
+// get currently active background color from terminal
+// also respect INVERSE setting
+function extractActiveBg(attr: AttributeData, colors: ReadonlyColorSet | undefined): RGBA8888 {
+  let bg = 0;
+  if (!colors) {
+    // FIXME: theme service is prolly not available yet,
+    // happens if .open() was not called yet (bug in core?)
+    return bg;
+  }
+  if (attr.isInverse()) {
+    if (attr.isFgDefault()) {
+      bg = convertLe(colors.foreground.rgba);
+    } else if (attr.isFgRGB()) {
+      const t = (attr.constructor as typeof AttributeData).toColorRGB(attr.getFgColor());
+      bg = toRGBA8888(...t);
+    } else {
+      bg = convertLe(colors.ansi[attr.getFgColor()].rgba);
+    }
+  } else {
+    if (attr.isBgDefault()) {
+      bg = convertLe(colors.background.rgba);
+    } else if (attr.isBgRGB()) {
+      const t = (attr.constructor as typeof AttributeData).toColorRGB(attr.getBgColor());
+      bg = toRGBA8888(...t);
+    } else {
+      bg = convertLe(colors.ansi[attr.getBgColor()].rgba);
+    }
+  }
+  return bg;
+}
+
+// rgba values on the color managers are always in BE, thus convert to LE
+function convertLe(color: number): RGBA8888 {
+  if (BIG_ENDIAN) return color;
+  return (color & 0xFF) << 24 | (color >>> 8 & 0xFF) << 16 | (color >>> 16 & 0xFF) << 8 | color >>> 24 & 0xFF;
+}
diff --git a/web/public/node_modules/@xterm/addon-image/src/Types.d.ts b/web/public/node_modules/@xterm/addon-image/src/Types.d.ts
new file mode 100644
index 000000000..60de0f3d2
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/src/Types.d.ts
@@ -0,0 +1,108 @@
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable, IMarker, Terminal } from '@xterm/xterm';
+
+// private imports from base repo we build against
+import { Attributes, BgFlags, Content, ExtFlags, UnderlineStyle } from 'common/buffer/Constants';
+import type { AttributeData } from 'common/buffer/AttributeData';
+import type { IParams, IDcsHandler, IOscHandler, IEscapeSequenceParser } from 'common/parser/Types';
+import type { IBufferLine, IExtendedAttrs, IInputHandler } from 'common/Types';
+import type { ITerminal, ReadonlyColorSet } from 'browser/Types';
+import type { IRenderDimensions } from 'browser/renderer/shared/Types';
+import type { ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+
+export const enum Cell {
+  CONTENT = 0,  // codepoint and wcwidth information (enum Content)
+  FG = 1,       // foreground color in lower 3 bytes (rgb), attrs in 4th byte (enum FgFlags)
+  BG = 2,       // background color in lower 3 bytes (rgb), attrs in 4th byte (enum BgFlags)
+  SIZE = 3      // size of single cell on buffer array
+}
+
+// export some privates for local usage
+export { AttributeData, IParams, IDcsHandler, IOscHandler, BgFlags, IRenderDimensions, IRenderService, Content, ExtFlags, Attributes, UnderlineStyle, ReadonlyColorSet };
+
+/**
+ * Plugin ctor options.
+ */
+export interface IImageAddonOptions {
+  enableSizeReports: boolean;
+  pixelLimit: number;
+  storageLimit: number;
+  showPlaceholder: boolean;
+  sixelSupport: boolean;
+  sixelScrolling: boolean;
+  sixelPaletteLimit: number;
+  sixelSizeLimit: number;
+  iipSupport: boolean;
+  iipSizeLimit: number;
+}
+
+export interface IResetHandler {
+  // attached to RIS and DECSTR
+  reset(): void;
+}
+
+/**
+ * Stub into private interfaces.
+ * This should be kept in line with common libs.
+ * Any change made here should be replayed in the accessors test case to
+ * have a somewhat reliable testing against code changes in the core repo.
+ */
+
+// overloaded IExtendedAttrs to hold image refs
+export interface IExtendedAttrsImage extends IExtendedAttrs {
+  imageId: number;
+  tileId: number;
+  clone(): IExtendedAttrsImage;
+}
+
+/* eslint-disable */
+export interface IBufferLineExt extends IBufferLine {
+  _extendedAttrs: {[index: number]: IExtendedAttrsImage | undefined};
+  _data: Uint32Array;
+}
+
+interface IInputHandlerExt extends IInputHandler {
+  _parser: IEscapeSequenceParser;
+  _curAttrData: AttributeData;
+  _dirtyRowTracker: {
+    markRangeDirty(y1: number, y2: number): void;
+    markAllDirty(): void;
+    markDirty(y: number): void;
+  };
+  onRequestReset(handler: () => void): IDisposable;
+}
+
+export interface ICoreTerminalExt extends ITerminal {
+  _themeService: IThemeService | undefined;
+  _inputHandler: IInputHandlerExt;
+  _renderService: IRenderService;
+  _coreBrowserService: ICoreBrowserService | undefined;
+}
+
+export interface ITerminalExt extends Terminal {
+  _core: ICoreTerminalExt;
+}
+/* eslint-enable */
+
+
+/**
+ * Some storage definitions.
+ */
+export interface ICellSize {
+  width: number;
+  height: number;
+}
+
+export interface IImageSpec {
+  orig: HTMLCanvasElement | ImageBitmap | undefined;
+  origCellSize: ICellSize;
+  actual: HTMLCanvasElement | ImageBitmap | undefined;
+  actualCellSize: ICellSize;
+  marker: IMarker | undefined;
+  tileCount: number;
+  bufferType: 'alternate' | 'normal';
+}
diff --git a/web/public/node_modules/@xterm/addon-image/typings/addon-image.d.ts b/web/public/node_modules/@xterm/addon-image/typings/addon-image.d.ts
new file mode 100644
index 000000000..48ba488cf
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-image/typings/addon-image.d.ts
@@ -0,0 +1,120 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Terminal, ITerminalAddon } from '@xterm/xterm';
+
+declare module '@xterm/addon-image' {
+  export interface IImageAddonOptions {
+    /**
+     * Enable size reports in windowOptions:
+     * - getWinSizePixels (CSI 14 t)
+     * - getCellSizePixels (CSI 16 t)
+     * - getWinSizeChars (CSI 18 t)
+     *
+     * If `true` (default), the reports will be activated during addon loading.
+     * If `false`, no settings will be touched. Use `false`, if you have high
+     * security constraints and/or deal with windowOptions by other means.
+     * On addon disposal, the settings will not change.
+     */
+    enableSizeReports?: boolean;
+
+    /**
+     * Maximum pixels a single image may hold. Images exceeding this number will
+     * be discarded during processing with no changes to the terminal buffer
+     * (no cursor advance, no placeholder).
+     * This setting is mainly used to restrict images sizes during initial decoding
+     * including the final canvas creation.
+     *
+     * Note: The image worker decoder may hold additional memory up to
+     * `pixelLimit` * 4 bytes permanently, plus the same amount on top temporarily
+     * for pixel transfers, which should be taken into account under memory pressure conditions.
+     *
+     * Note: Browsers restrict allowed canvas dimensions further. We dont reflect those
+     * limits here, thus the construction of an oddly shaped image having most pixels
+     * in one dimension still can fail.
+     *
+     * Note: `storageLimit` bytes are calculated from images by multiplying the pixels with 4
+     * (4 channels with one byte, images are stored as RGBA8888).
+     *
+     * Default is 2^16 (4096 x 4096 pixels).
+     */
+    pixelLimit?: number;
+
+    /**
+     * Storage limit in MB.
+     * The storage implements a FIFO cache removing old images, when the limit gets hit.
+     * Also exposed as addon property for runtime adjustments.
+     * Default is 128 MB.
+     */
+    storageLimit?: number;
+
+    /**
+     * Whether to show a placeholder for images removed from cache, default is true.
+     */
+    showPlaceholder?: boolean;
+
+    /**
+     * SIXEL settings
+     */
+
+    /** Whether SIXEL is enabled (default is true). */
+    sixelSupport?: boolean;
+    /** Whether SIXEL scrolling is enabled (default is true). Same as DECSET 80. */
+    sixelScrolling?: boolean;
+    /** Palette color limit (default 256). */
+    sixelPaletteLimit?: number;
+    /** SIXEL image size limit in bytes (default 25000000 bytes). */
+    sixelSizeLimit?: number;
+
+    /**
+     * IIP settings (iTerm image protocol)
+     */
+
+    /** Whether iTerm image protocol style is enabled (default is true). */
+    iipSupport?: boolean;
+    /** IIP sequence size limit (default 20000000 bytes). */
+    iipSizeLimit?: number;
+  }
+
+  export class ImageAddon implements ITerminalAddon {
+    constructor(options?: IImageAddonOptions);
+    public activate(terminal: Terminal): void;
+    public dispose(): void;
+
+    /**
+     * Reset the image addon.
+     *
+     * This resets all runtime options to default values (as given to the ctor)
+     * and resets the image storage.
+     */
+    public reset(): void;
+
+    /**
+     * Getter/Setter for the storageLimit in MB.
+     * Synchronously deletes images if the stored data exceeds the new value.
+     */
+    public storageLimit: number;
+
+    /**
+     * Current memory usage of the stored images in MB.
+     */
+    public readonly storageUsage: number;
+
+    /**
+     * Getter/Setter whether the placeholder should be shown.
+     */
+    public showPlaceholder: boolean;
+
+    /**
+     * Get original image canvas at buffer position.
+     */
+    public getImageAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined;
+
+    /**
+     * Extract single tile canvas at buffer position.
+     */
+    public extractTileAtBufferCell(x: number, y: number): HTMLCanvasElement | undefined;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-search/LICENSE b/web/public/node_modules/@xterm/addon-search/LICENSE
new file mode 100644
index 000000000..e597698cc
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2017, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/addon-search/README.md b/web/public/node_modules/@xterm/addon-search/README.md
new file mode 100644
index 000000000..fab0b03f5
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/README.md
@@ -0,0 +1,23 @@
+## @xterm/addon-search
+
+An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables searching the buffer. This addon requires xterm.js v4+.
+
+### Install
+
+```bash
+npm install --save @xterm/addon-search
+```
+
+### Usage
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { SearchAddon } from '@xterm/addon-search';
+
+const terminal = new Terminal();
+const searchAddon = new SearchAddon();
+terminal.loadAddon(searchAddon);
+searchAddon.findNext('foo');
+```
+
+See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-search/typings/addon-search.d.ts) for more advanced usage.
diff --git a/web/public/node_modules/@xterm/addon-search/lib/addon-search.js b/web/public/node_modules/@xterm/addon-search/lib/addon-search.js
new file mode 100644
index 000000000..e70b0fbcf
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/lib/addon-search.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.SearchAddon=t():e.SearchAddon=t()}(self,(()=>(()=>{"use strict";var e={345:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.runAndSubscribe=t.forwardEvent=t.EventEmitter=void 0,t.EventEmitter=class{constructor(){this._listeners=[],this._disposed=!1}get event(){return this._event||(this._event=e=>(this._listeners.push(e),{dispose:()=>{if(!this._disposed)for(let t=0;t<this._listeners.length;t++)if(this._listeners[t]===e)return void this._listeners.splice(t,1)}})),this._event}fire(e,t){const i=[];for(let e=0;e<this._listeners.length;e++)i.push(this._listeners[e]);for(let s=0;s<i.length;s++)i[s].call(void 0,e,t)}dispose(){this.clearListeners(),this._disposed=!0}clearListeners(){this._listeners&&(this._listeners.length=0)}},t.forwardEvent=function(e,t){return e((e=>t.fire(e)))},t.runAndSubscribe=function(e,t){return t(void 0),e((e=>t(e)))}},859:(e,t)=>{function i(e){for(const t of e)t.dispose();e.length=0}Object.defineProperty(t,"__esModule",{value:!0}),t.getDisposeArrayDisposable=t.disposeArray=t.toDisposable=t.MutableDisposable=t.Disposable=void 0,t.Disposable=class{constructor(){this._disposables=[],this._isDisposed=!1}dispose(){this._isDisposed=!0;for(const e of this._disposables)e.dispose();this._disposables.length=0}register(e){return this._disposables.push(e),e}unregister(e){const t=this._disposables.indexOf(e);-1!==t&&this._disposables.splice(t,1)}},t.MutableDisposable=class{constructor(){this._isDisposed=!1}get value(){return this._isDisposed?void 0:this._value}set value(e){this._isDisposed||e===this._value||(this._value?.dispose(),this._value=e)}clear(){this.value=void 0}dispose(){this._isDisposed=!0,this._value?.dispose(),this._value=void 0}},t.toDisposable=function(e){return{dispose:e}},t.disposeArray=i,t.getDisposeArrayDisposable=function(e){return{dispose:()=>i(e)}}}},t={};function i(s){var r=t[s];if(void 0!==r)return r.exports;var o=t[s]={exports:{}};return e[s](o,o.exports,i),o.exports}var s={};return(()=>{var e=s;Object.defineProperty(e,"__esModule",{value:!0}),e.SearchAddon=void 0;const t=i(345),r=i(859),o=" ~!@#$%^&*()+`-=[]{}|\\;:\"',./<>?";class n extends r.Disposable{constructor(e){super(),this._highlightedLines=new Set,this._highlightDecorations=[],this._selectedDecoration=this.register(new r.MutableDisposable),this._linesCacheTimeoutId=0,this._linesCacheDisposables=new r.MutableDisposable,this._onDidChangeResults=this.register(new t.EventEmitter),this.onDidChangeResults=this._onDidChangeResults.event,this._highlightLimit=e?.highlightLimit??1e3}activate(e){this._terminal=e,this.register(this._terminal.onWriteParsed((()=>this._updateMatches()))),this.register(this._terminal.onResize((()=>this._updateMatches()))),this.register((0,r.toDisposable)((()=>this.clearDecorations())))}_updateMatches(){this._highlightTimeout&&window.clearTimeout(this._highlightTimeout),this._cachedSearchTerm&&this._lastSearchOptions?.decorations&&(this._highlightTimeout=setTimeout((()=>{const e=this._cachedSearchTerm;this._cachedSearchTerm=void 0,this.findPrevious(e,{...this._lastSearchOptions,incremental:!0,noScroll:!0})}),200))}clearDecorations(e){this._selectedDecoration.clear(),(0,r.disposeArray)(this._highlightDecorations),this._highlightDecorations=[],this._highlightedLines.clear(),e||(this._cachedSearchTerm=void 0)}clearActiveDecoration(){this._selectedDecoration.clear()}findNext(e,t){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");const i=!this._lastSearchOptions||this._didOptionsChange(this._lastSearchOptions,t);this._lastSearchOptions=t,t?.decorations&&(void 0===this._cachedSearchTerm||e!==this._cachedSearchTerm||i)&&this._highlightAllMatches(e,t);const s=this._findNextAndSelect(e,t);return this._fireResults(t),this._cachedSearchTerm=e,s}_highlightAllMatches(e,t){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");if(!e||0===e.length)return void this.clearDecorations();t=t||{},this.clearDecorations(!0);const i=[];let s,r=this._find(e,0,0,t);for(;r&&(s?.row!==r.row||s?.col!==r.col)&&!(i.length>=this._highlightLimit);)s=r,i.push(s),r=this._find(e,s.col+s.term.length>=this._terminal.cols?s.row+1:s.row,s.col+s.term.length>=this._terminal.cols?0:s.col+1,t);for(const e of i){const i=this._createResultDecoration(e,t.decorations);i&&(this._highlightedLines.add(i.marker.line),this._highlightDecorations.push({decoration:i,match:e,dispose(){i.dispose()}}))}}_find(e,t,i,s){if(!this._terminal||!e||0===e.length)return this._terminal?.clearSelection(),void this.clearDecorations();if(i>this._terminal.cols)throw new Error(`Invalid col: ${i} to search in terminal of ${this._terminal.cols} cols`);let r;this._initLinesCache();const o={startRow:t,startCol:i};if(r=this._findInLine(e,o,s),!r)for(let i=t+1;i<this._terminal.buffer.active.baseY+this._terminal.rows&&(o.startRow=i,o.startCol=0,r=this._findInLine(e,o,s),!r);i++);return r}_findNextAndSelect(e,t){if(!this._terminal||!e||0===e.length)return this._terminal?.clearSelection(),this.clearDecorations(),!1;const i=this._terminal.getSelectionPosition();this._terminal.clearSelection();let s=0,r=0;i&&(this._cachedSearchTerm===e?(s=i.end.x,r=i.end.y):(s=i.start.x,r=i.start.y)),this._initLinesCache();const o={startRow:r,startCol:s};let n=this._findInLine(e,o,t);if(!n)for(let i=r+1;i<this._terminal.buffer.active.baseY+this._terminal.rows&&(o.startRow=i,o.startCol=0,n=this._findInLine(e,o,t),!n);i++);if(!n&&0!==r)for(let i=0;i<r&&(o.startRow=i,o.startCol=0,n=this._findInLine(e,o,t),!n);i++);return!n&&i&&(o.startRow=i.start.y,o.startCol=0,n=this._findInLine(e,o,t)),this._selectResult(n,t?.decorations,t?.noScroll)}findPrevious(e,t){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");const i=!this._lastSearchOptions||this._didOptionsChange(this._lastSearchOptions,t);this._lastSearchOptions=t,t?.decorations&&(void 0===this._cachedSearchTerm||e!==this._cachedSearchTerm||i)&&this._highlightAllMatches(e,t);const s=this._findPreviousAndSelect(e,t);return this._fireResults(t),this._cachedSearchTerm=e,s}_didOptionsChange(e,t){return!!t&&(e.caseSensitive!==t.caseSensitive||e.regex!==t.regex||e.wholeWord!==t.wholeWord)}_fireResults(e){if(e?.decorations){let e=-1;if(this._selectedDecoration.value){const t=this._selectedDecoration.value.match;for(let i=0;i<this._highlightDecorations.length;i++){const s=this._highlightDecorations[i].match;if(s.row===t.row&&s.col===t.col&&s.size===t.size){e=i;break}}}this._onDidChangeResults.fire({resultIndex:e,resultCount:this._highlightDecorations.length})}}_findPreviousAndSelect(e,t){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");if(!this._terminal||!e||0===e.length)return this._terminal?.clearSelection(),this.clearDecorations(),!1;const i=this._terminal.getSelectionPosition();this._terminal.clearSelection();let s=this._terminal.buffer.active.baseY+this._terminal.rows-1,r=this._terminal.cols;const o=!0;this._initLinesCache();const n={startRow:s,startCol:r};let h;if(i&&(n.startRow=s=i.start.y,n.startCol=r=i.start.x,this._cachedSearchTerm!==e&&(h=this._findInLine(e,n,t,!1),h||(n.startRow=s=i.end.y,n.startCol=r=i.end.x))),h||(h=this._findInLine(e,n,t,o)),!h){n.startCol=Math.max(n.startCol,this._terminal.cols);for(let i=s-1;i>=0&&(n.startRow=i,h=this._findInLine(e,n,t,o),!h);i--);}if(!h&&s!==this._terminal.buffer.active.baseY+this._terminal.rows-1)for(let i=this._terminal.buffer.active.baseY+this._terminal.rows-1;i>=s&&(n.startRow=i,h=this._findInLine(e,n,t,o),!h);i--);return this._selectResult(h,t?.decorations,t?.noScroll)}_initLinesCache(){const e=this._terminal;this._linesCache||(this._linesCache=new Array(e.buffer.active.length),this._linesCacheDisposables.value=(0,r.getDisposeArrayDisposable)([e.onLineFeed((()=>this._destroyLinesCache())),e.onCursorMove((()=>this._destroyLinesCache())),e.onResize((()=>this._destroyLinesCache()))])),window.clearTimeout(this._linesCacheTimeoutId),this._linesCacheTimeoutId=window.setTimeout((()=>this._destroyLinesCache()),15e3)}_destroyLinesCache(){this._linesCache=void 0,this._linesCacheDisposables.clear(),this._linesCacheTimeoutId&&(window.clearTimeout(this._linesCacheTimeoutId),this._linesCacheTimeoutId=0)}_isWholeWord(e,t,i){return(0===e||o.includes(t[e-1]))&&(e+i.length===t.length||o.includes(t[e+i.length]))}_findInLine(e,t,i={},s=!1){const r=this._terminal,o=t.startRow,n=t.startCol,h=r.buffer.active.getLine(o);if(h?.isWrapped)return s?void(t.startCol+=r.cols):(t.startRow--,t.startCol+=r.cols,this._findInLine(e,t,i));let a=this._linesCache?.[o];a||(a=this._translateBufferLineToStringWithWrap(o,!0),this._linesCache&&(this._linesCache[o]=a));const[l,c]=a,d=this._bufferColsToStringOffset(o,n),_=i.caseSensitive?e:e.toLowerCase(),u=i.caseSensitive?l:l.toLowerCase();let f=-1;if(i.regex){const t=RegExp(_,"g");let i;if(s)for(;i=t.exec(u.slice(0,d));)f=t.lastIndex-i[0].length,e=i[0],t.lastIndex-=e.length-1;else i=t.exec(u.slice(d)),i&&i[0].length>0&&(f=d+(t.lastIndex-i[0].length),e=i[0])}else s?d-_.length>=0&&(f=u.lastIndexOf(_,d-_.length)):f=u.indexOf(_,d);if(f>=0){if(i.wholeWord&&!this._isWholeWord(f,u,e))return;let t=0;for(;t<c.length-1&&f>=c[t+1];)t++;let s=t;for(;s<c.length-1&&f+e.length>=c[s+1];)s++;const n=f-c[t],h=f+e.length-c[s],a=this._stringLengthToBufferSize(o+t,n);return{term:e,col:a,row:o+t,size:this._stringLengthToBufferSize(o+s,h)-a+r.cols*(s-t)}}}_stringLengthToBufferSize(e,t){const i=this._terminal.buffer.active.getLine(e);if(!i)return 0;for(let e=0;e<t;e++){const s=i.getCell(e);if(!s)break;const r=s.getChars();r.length>1&&(t-=r.length-1);const o=i.getCell(e+1);o&&0===o.getWidth()&&t++}return t}_bufferColsToStringOffset(e,t){const i=this._terminal;let s=e,r=0,o=i.buffer.active.getLine(s);for(;t>0&&o;){for(let e=0;e<t&&e<i.cols;e++){const t=o.getCell(e);if(!t)break;t.getWidth()&&(r+=0===t.getCode()?1:t.getChars().length)}if(s++,o=i.buffer.active.getLine(s),o&&!o.isWrapped)break;t-=i.cols}return r}_translateBufferLineToStringWithWrap(e,t){const i=this._terminal,s=[],r=[0];let o=i.buffer.active.getLine(e);for(;o;){const n=i.buffer.active.getLine(e+1),h=!!n&&n.isWrapped;let a=o.translateToString(!h&&t);if(h&&n){const e=o.getCell(o.length-1);e&&0===e.getCode()&&1===e.getWidth()&&2===n.getCell(0)?.getWidth()&&(a=a.slice(0,-1))}if(s.push(a),!h)break;r.push(r[r.length-1]+a.length),e++,o=n}return[s.join(""),r]}_selectResult(e,t,i){const s=this._terminal;if(this._selectedDecoration.clear(),!e)return s.clearSelection(),!1;if(s.select(e.col,e.row,e.size),t){const i=s.registerMarker(-s.buffer.active.baseY-s.buffer.active.cursorY+e.row);if(i){const o=s.registerDecoration({marker:i,x:e.col,width:e.size,backgroundColor:t.activeMatchBackground,layer:"top",overviewRulerOptions:{color:t.activeMatchColorOverviewRuler}});if(o){const s=[];s.push(i),s.push(o.onRender((e=>this._applyStyles(e,t.activeMatchBorder,!0)))),s.push(o.onDispose((()=>(0,r.disposeArray)(s)))),this._selectedDecoration.value={decoration:o,match:e,dispose(){o.dispose()}}}}}if(!i&&(e.row>=s.buffer.active.viewportY+s.rows||e.row<s.buffer.active.viewportY)){let t=e.row-s.buffer.active.viewportY;t-=Math.floor(s.rows/2),s.scrollLines(t)}return!0}_applyStyles(e,t,i){e.classList.contains("xterm-find-result-decoration")||(e.classList.add("xterm-find-result-decoration"),t&&(e.style.outline=`1px solid ${t}`)),i&&e.classList.add("xterm-find-active-result-decoration")}_createResultDecoration(e,t){const i=this._terminal,s=i.registerMarker(-i.buffer.active.baseY-i.buffer.active.cursorY+e.row);if(!s)return;const o=i.registerDecoration({marker:s,x:e.col,width:e.size,backgroundColor:t.matchBackground,overviewRulerOptions:this._highlightedLines.has(s.line)?void 0:{color:t.matchOverviewRuler,position:"center"}});if(o){const e=[];e.push(s),e.push(o.onRender((e=>this._applyStyles(e,t.matchBorder,!1)))),e.push(o.onDispose((()=>(0,r.disposeArray)(e))))}return o}}e.SearchAddon=n})(),s})()));
+//# sourceMappingURL=addon-search.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-search/lib/addon-search.js.map b/web/public/node_modules/@xterm/addon-search/lib/addon-search.js.map
new file mode 100644
index 000000000..33b035f2f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/lib/addon-search.js.map
@@ -0,0 +1 @@
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"SearchAddon\"] = factory();\n\telse\n\t\troot[\"SearchAddon\"] = factory();\n})(self, () => {\nreturn ","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\ninterface IListener<T, U = void> {\n  (arg1: T, arg2: U): void;\n}\n\nexport interface IEvent<T, U = void> {\n  (listener: (arg1: T, arg2: U) => any): IDisposable;\n}\n\nexport interface IEventEmitter<T, U = void> {\n  event: IEvent<T, U>;\n  fire(arg1: T, arg2: U): void;\n  dispose(): void;\n}\n\nexport class EventEmitter<T, U = void> implements IEventEmitter<T, U> {\n  private _listeners: IListener<T, U>[] = [];\n  private _event?: IEvent<T, U>;\n  private _disposed: boolean = false;\n\n  public get event(): IEvent<T, U> {\n    if (!this._event) {\n      this._event = (listener: (arg1: T, arg2: U) => any) => {\n        this._listeners.push(listener);\n        const disposable = {\n          dispose: () => {\n            if (!this._disposed) {\n              for (let i = 0; i < this._listeners.length; i++) {\n                if (this._listeners[i] === listener) {\n                  this._listeners.splice(i, 1);\n                  return;\n                }\n              }\n            }\n          }\n        };\n        return disposable;\n      };\n    }\n    return this._event;\n  }\n\n  public fire(arg1: T, arg2: U): void {\n    const queue: IListener<T, U>[] = [];\n    for (let i = 0; i < this._listeners.length; i++) {\n      queue.push(this._listeners[i]);\n    }\n    for (let i = 0; i < queue.length; i++) {\n      queue[i].call(undefined, arg1, arg2);\n    }\n  }\n\n  public dispose(): void {\n    this.clearListeners();\n    this._disposed = true;\n  }\n\n  public clearListeners(): void {\n    if (this._listeners) {\n      this._listeners.length = 0;\n    }\n  }\n}\n\nexport function forwardEvent<T>(from: IEvent<T>, to: IEventEmitter<T>): IDisposable {\n  return from(e => to.fire(e));\n}\n\nexport function runAndSubscribe<T>(event: IEvent<T>, handler: (e: T | undefined) => any): IDisposable {\n  handler(undefined);\n  return event(e => handler(e));\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n  protected _disposables: IDisposable[] = [];\n  protected _isDisposed: boolean = false;\n\n  /**\n   * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n   */\n  public dispose(): void {\n    this._isDisposed = true;\n    for (const d of this._disposables) {\n      d.dispose();\n    }\n    this._disposables.length = 0;\n  }\n\n  /**\n   * Registers a disposable object.\n   * @param d The disposable to register.\n   * @returns The disposable.\n   */\n  public register<T extends IDisposable>(d: T): T {\n    this._disposables.push(d);\n    return d;\n  }\n\n  /**\n   * Unregisters a disposable object if it has been registered, if not do\n   * nothing.\n   * @param d The disposable to unregister.\n   */\n  public unregister<T extends IDisposable>(d: T): void {\n    const index = this._disposables.indexOf(d);\n    if (index !== -1) {\n      this._disposables.splice(index, 1);\n    }\n  }\n}\n\nexport class MutableDisposable<T extends IDisposable> implements IDisposable {\n  private _value?: T;\n  private _isDisposed = false;\n\n  /**\n   * Gets the value if it exists.\n   */\n  public get value(): T | undefined {\n    return this._isDisposed ? undefined : this._value;\n  }\n\n  /**\n   * Sets the value, disposing of the old value if it exists.\n   */\n  public set value(value: T | undefined) {\n    if (this._isDisposed || value === this._value) {\n      return;\n    }\n    this._value?.dispose();\n    this._value = value;\n  }\n\n  /**\n   * Resets the stored value and disposes of the previously stored value.\n   */\n  public clear(): void {\n    this.value = undefined;\n  }\n\n  public dispose(): void {\n    this._isDisposed = true;\n    this._value?.dispose();\n    this._value = undefined;\n  }\n}\n\n/**\n * Wrap a function in a disposable.\n */\nexport function toDisposable(f: () => void): IDisposable {\n  return { dispose: f };\n}\n\n/**\n * Dispose of all disposables in an array and set its length to 0.\n */\nexport function disposeArray(disposables: IDisposable[]): void {\n  for (const d of disposables) {\n    d.dispose();\n  }\n  disposables.length = 0;\n}\n\n/**\n * Creates a disposable that will dispose of an array of disposables when disposed.\n */\nexport function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {\n  return { dispose: () => disposeArray(array) };\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport type { Terminal, IDisposable, ITerminalAddon, IDecoration } from '@xterm/xterm';\nimport type { SearchAddon as ISearchApi } from '@xterm/addon-search';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable, disposeArray, MutableDisposable, getDisposeArrayDisposable } from 'common/Lifecycle';\n\nexport interface ISearchOptions {\n  regex?: boolean;\n  wholeWord?: boolean;\n  caseSensitive?: boolean;\n  incremental?: boolean;\n  decorations?: ISearchDecorationOptions;\n  noScroll?: boolean;\n}\n\ninterface ISearchDecorationOptions {\n  matchBackground?: string;\n  matchBorder?: string;\n  matchOverviewRuler: string;\n  activeMatchBackground?: string;\n  activeMatchBorder?: string;\n  activeMatchColorOverviewRuler: string;\n}\n\nexport interface ISearchPosition {\n  startCol: number;\n  startRow: number;\n}\n\nexport interface ISearchAddonOptions {\n  highlightLimit: number;\n}\n\nexport interface ISearchResult {\n  term: string;\n  col: number;\n  row: number;\n  size: number;\n}\n\ntype LineCacheEntry = [\n  /**\n   * The string representation of a line (as opposed to the buffer cell representation).\n   */\n  lineAsString: string,\n  /**\n   * The offsets where each line starts when the entry describes a wrapped line.\n   */\n  lineOffsets: number[]\n];\n\ninterface IHighlight extends IDisposable {\n  decoration: IDecoration;\n  match: ISearchResult;\n}\n\nconst NON_WORD_CHARACTERS = ' ~!@#$%^&*()+`-=[]{}|\\\\;:\"\\',./<>?';\nconst LINES_CACHE_TIME_TO_LIVE = 15 * 1000; // 15 secs\nconst DEFAULT_HIGHLIGHT_LIMIT = 1000;\n\nexport class SearchAddon extends Disposable implements ITerminalAddon , ISearchApi {\n  private _terminal: Terminal | undefined;\n  private _cachedSearchTerm: string | undefined;\n  private _highlightedLines: Set<number> = new Set();\n  private _highlightDecorations: IHighlight[] = [];\n  private _selectedDecoration: MutableDisposable<IHighlight> = this.register(new MutableDisposable());\n  private _highlightLimit: number;\n  private _lastSearchOptions: ISearchOptions | undefined;\n  private _highlightTimeout: number | undefined;\n  /**\n   * translateBufferLineToStringWithWrap is a fairly expensive call.\n   * We memoize the calls into an array that has a time based ttl.\n   * _linesCache is also invalidated when the terminal cursor moves.\n   */\n  private _linesCache: LineCacheEntry[] | undefined;\n  private _linesCacheTimeoutId = 0;\n  private _linesCacheDisposables = new MutableDisposable();\n\n  private readonly _onDidChangeResults = this.register(new EventEmitter<{ resultIndex: number, resultCount: number }>());\n  public readonly onDidChangeResults = this._onDidChangeResults.event;\n\n  constructor(options?: Partial<ISearchAddonOptions>) {\n    super();\n\n    this._highlightLimit = options?.highlightLimit ?? DEFAULT_HIGHLIGHT_LIMIT;\n  }\n\n  public activate(terminal: Terminal): void {\n    this._terminal = terminal;\n    this.register(this._terminal.onWriteParsed(() => this._updateMatches()));\n    this.register(this._terminal.onResize(() => this._updateMatches()));\n    this.register(toDisposable(() => this.clearDecorations()));\n  }\n\n  private _updateMatches(): void {\n    if (this._highlightTimeout) {\n      window.clearTimeout(this._highlightTimeout);\n    }\n    if (this._cachedSearchTerm && this._lastSearchOptions?.decorations) {\n      this._highlightTimeout = setTimeout(() => {\n        const term = this._cachedSearchTerm;\n        this._cachedSearchTerm = undefined;\n        this.findPrevious(term!, { ...this._lastSearchOptions, incremental: true, noScroll: true });\n      }, 200);\n    }\n  }\n\n  public clearDecorations(retainCachedSearchTerm?: boolean): void {\n    this._selectedDecoration.clear();\n    disposeArray(this._highlightDecorations);\n    this._highlightDecorations = [];\n    this._highlightedLines.clear();\n    if (!retainCachedSearchTerm) {\n      this._cachedSearchTerm = undefined;\n    }\n  }\n\n  public clearActiveDecoration(): void {\n    this._selectedDecoration.clear();\n  }\n\n  /**\n   * Find the next instance of the term, then scroll to and select it. If it\n   * doesn't exist, do nothing.\n   * @param term The search term.\n   * @param searchOptions Search options.\n   * @returns Whether a result was found.\n   */\n  public findNext(term: string, searchOptions?: ISearchOptions): boolean {\n    if (!this._terminal) {\n      throw new Error('Cannot use addon until it has been loaded');\n    }\n    const didOptionsChanged = this._lastSearchOptions ? this._didOptionsChange(this._lastSearchOptions, searchOptions) : true;\n    this._lastSearchOptions = searchOptions;\n    if (searchOptions?.decorations) {\n      if (this._cachedSearchTerm === undefined || term !== this._cachedSearchTerm || didOptionsChanged) {\n        this._highlightAllMatches(term, searchOptions);\n      }\n    }\n\n    const found = this._findNextAndSelect(term, searchOptions);\n    this._fireResults(searchOptions);\n    this._cachedSearchTerm = term;\n\n    return found;\n  }\n\n  private _highlightAllMatches(term: string, searchOptions: ISearchOptions): void {\n    if (!this._terminal) {\n      throw new Error('Cannot use addon until it has been loaded');\n    }\n    if (!term || term.length === 0) {\n      this.clearDecorations();\n      return;\n    }\n    searchOptions = searchOptions || {};\n\n    // new search, clear out the old decorations\n    this.clearDecorations(true);\n\n    const searchResultsWithHighlight: ISearchResult[] = [];\n    let prevResult: ISearchResult | undefined = undefined;\n    let result = this._find(term, 0, 0, searchOptions);\n    while (result && (prevResult?.row !== result.row || prevResult?.col !== result.col)) {\n      if (searchResultsWithHighlight.length >= this._highlightLimit) {\n        break;\n      }\n      prevResult = result;\n      searchResultsWithHighlight.push(prevResult);\n      result = this._find(\n        term,\n        prevResult.col + prevResult.term.length >= this._terminal.cols ? prevResult.row + 1 : prevResult.row,\n        prevResult.col + prevResult.term.length >= this._terminal.cols ? 0 : prevResult.col + 1,\n        searchOptions\n      );\n    }\n    for (const match of searchResultsWithHighlight) {\n      const decoration = this._createResultDecoration(match, searchOptions.decorations!);\n      if (decoration) {\n        this._highlightedLines.add(decoration.marker.line);\n        this._highlightDecorations.push({ decoration, match, dispose() { decoration.dispose(); } });\n      }\n    }\n  }\n\n  private _find(term: string, startRow: number, startCol: number, searchOptions?: ISearchOptions): ISearchResult | undefined {\n    if (!this._terminal || !term || term.length === 0) {\n      this._terminal?.clearSelection();\n      this.clearDecorations();\n      return undefined;\n    }\n    if (startCol > this._terminal.cols) {\n      throw new Error(`Invalid col: ${startCol} to search in terminal of ${this._terminal.cols} cols`);\n    }\n\n    let result: ISearchResult | undefined = undefined;\n\n    this._initLinesCache();\n\n    const searchPosition: ISearchPosition = {\n      startRow,\n      startCol\n    };\n\n    // Search startRow\n    result = this._findInLine(term, searchPosition, searchOptions);\n    // Search from startRow + 1 to end\n    if (!result) {\n\n      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {\n        searchPosition.startRow = y;\n        searchPosition.startCol = 0;\n        // If the current line is wrapped line, increase index of column to ignore the previous scan\n        // Otherwise, reset beginning column index to zero with set new unwrapped line index\n        result = this._findInLine(term, searchPosition, searchOptions);\n        if (result) {\n          break;\n        }\n      }\n    }\n    return result;\n  }\n\n  private _findNextAndSelect(term: string, searchOptions?: ISearchOptions): boolean {\n    if (!this._terminal || !term || term.length === 0) {\n      this._terminal?.clearSelection();\n      this.clearDecorations();\n      return false;\n    }\n\n    const prevSelectedPos = this._terminal.getSelectionPosition();\n    this._terminal.clearSelection();\n\n    let startCol = 0;\n    let startRow = 0;\n    if (prevSelectedPos) {\n      if (this._cachedSearchTerm === term) {\n        startCol = prevSelectedPos.end.x;\n        startRow = prevSelectedPos.end.y;\n      } else {\n        startCol = prevSelectedPos.start.x;\n        startRow = prevSelectedPos.start.y;\n      }\n    }\n\n    this._initLinesCache();\n\n    const searchPosition: ISearchPosition = {\n      startRow,\n      startCol\n    };\n\n    // Search startRow\n    let result = this._findInLine(term, searchPosition, searchOptions);\n    // Search from startRow + 1 to end\n    if (!result) {\n\n      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {\n        searchPosition.startRow = y;\n        searchPosition.startCol = 0;\n        // If the current line is wrapped line, increase index of column to ignore the previous scan\n        // Otherwise, reset beginning column index to zero with set new unwrapped line index\n        result = this._findInLine(term, searchPosition, searchOptions);\n        if (result) {\n          break;\n        }\n      }\n    }\n    // If we hit the bottom and didn't search from the very top wrap back up\n    if (!result && startRow !== 0) {\n      for (let y = 0; y < startRow; y++) {\n        searchPosition.startRow = y;\n        searchPosition.startCol = 0;\n        result = this._findInLine(term, searchPosition, searchOptions);\n        if (result) {\n          break;\n        }\n      }\n    }\n\n    // If there is only one result, wrap back and return selection if it exists.\n    if (!result && prevSelectedPos) {\n      searchPosition.startRow = prevSelectedPos.start.y;\n      searchPosition.startCol = 0;\n      result = this._findInLine(term, searchPosition, searchOptions);\n    }\n\n    // Set selection and scroll if a result was found\n    return this._selectResult(result, searchOptions?.decorations, searchOptions?.noScroll);\n  }\n  /**\n   * Find the previous instance of the term, then scroll to and select it. If it\n   * doesn't exist, do nothing.\n   * @param term The search term.\n   * @param searchOptions Search options.\n   * @returns Whether a result was found.\n   */\n  public findPrevious(term: string, searchOptions?: ISearchOptions): boolean {\n    if (!this._terminal) {\n      throw new Error('Cannot use addon until it has been loaded');\n    }\n    const didOptionsChanged = this._lastSearchOptions ? this._didOptionsChange(this._lastSearchOptions, searchOptions) : true;\n    this._lastSearchOptions = searchOptions;\n    if (searchOptions?.decorations) {\n      if (this._cachedSearchTerm === undefined || term !== this._cachedSearchTerm || didOptionsChanged) {\n        this._highlightAllMatches(term, searchOptions);\n      }\n    }\n\n    const found = this._findPreviousAndSelect(term, searchOptions);\n    this._fireResults(searchOptions);\n    this._cachedSearchTerm = term;\n\n    return found;\n  }\n\n  private _didOptionsChange(lastSearchOptions: ISearchOptions, searchOptions?: ISearchOptions): boolean {\n    if (!searchOptions) {\n      return false;\n    }\n    if (lastSearchOptions.caseSensitive !== searchOptions.caseSensitive) {\n      return true;\n    }\n    if (lastSearchOptions.regex !== searchOptions.regex) {\n      return true;\n    }\n    if (lastSearchOptions.wholeWord !== searchOptions.wholeWord) {\n      return true;\n    }\n    return false;\n  }\n\n  private _fireResults(searchOptions?: ISearchOptions): void {\n    if (searchOptions?.decorations) {\n      let resultIndex = -1;\n      if (this._selectedDecoration.value) {\n        const selectedMatch = this._selectedDecoration.value.match;\n        for (let i = 0; i < this._highlightDecorations.length; i++) {\n          const match = this._highlightDecorations[i].match;\n          if (match.row === selectedMatch.row && match.col === selectedMatch.col && match.size === selectedMatch.size) {\n            resultIndex = i;\n            break;\n          }\n        }\n      }\n      this._onDidChangeResults.fire({ resultIndex, resultCount: this._highlightDecorations.length });\n    }\n  }\n\n  private _findPreviousAndSelect(term: string, searchOptions?: ISearchOptions): boolean {\n    if (!this._terminal) {\n      throw new Error('Cannot use addon until it has been loaded');\n    }\n    if (!this._terminal || !term || term.length === 0) {\n      this._terminal?.clearSelection();\n      this.clearDecorations();\n      return false;\n    }\n\n    const prevSelectedPos = this._terminal.getSelectionPosition();\n    this._terminal.clearSelection();\n\n    let startRow = this._terminal.buffer.active.baseY + this._terminal.rows - 1;\n    let startCol = this._terminal.cols;\n    const isReverseSearch = true;\n\n    this._initLinesCache();\n    const searchPosition: ISearchPosition = {\n      startRow,\n      startCol\n    };\n\n    let result: ISearchResult | undefined;\n    if (prevSelectedPos) {\n      searchPosition.startRow = startRow = prevSelectedPos.start.y;\n      searchPosition.startCol = startCol = prevSelectedPos.start.x;\n      if (this._cachedSearchTerm !== term) {\n        // Try to expand selection to right first.\n        result = this._findInLine(term, searchPosition, searchOptions, false);\n        if (!result) {\n          // If selection was not able to be expanded to the right, then try reverse search\n          searchPosition.startRow = startRow = prevSelectedPos.end.y;\n          searchPosition.startCol = startCol = prevSelectedPos.end.x;\n        }\n      }\n    }\n\n    if (!result) {\n      result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);\n    }\n\n    // Search from startRow - 1 to top\n    if (!result) {\n      searchPosition.startCol = Math.max(searchPosition.startCol, this._terminal.cols);\n      for (let y = startRow - 1; y >= 0; y--) {\n        searchPosition.startRow = y;\n        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);\n        if (result) {\n          break;\n        }\n      }\n    }\n    // If we hit the top and didn't search from the very bottom wrap back down\n    if (!result && startRow !== (this._terminal.buffer.active.baseY + this._terminal.rows - 1)) {\n      for (let y = (this._terminal.buffer.active.baseY + this._terminal.rows - 1); y >= startRow; y--) {\n        searchPosition.startRow = y;\n        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);\n        if (result) {\n          break;\n        }\n      }\n    }\n\n    // Set selection and scroll if a result was found\n    return this._selectResult(result, searchOptions?.decorations, searchOptions?.noScroll);\n  }\n\n  /**\n   * Sets up a line cache with a ttl\n   */\n  private _initLinesCache(): void {\n    const terminal = this._terminal!;\n    if (!this._linesCache) {\n      this._linesCache = new Array(terminal.buffer.active.length);\n      this._linesCacheDisposables.value = getDisposeArrayDisposable([\n        terminal.onLineFeed(() => this._destroyLinesCache()),\n        terminal.onCursorMove(() => this._destroyLinesCache()),\n        terminal.onResize(() => this._destroyLinesCache())\n      ]);\n    }\n\n    window.clearTimeout(this._linesCacheTimeoutId);\n    this._linesCacheTimeoutId = window.setTimeout(() => this._destroyLinesCache(), LINES_CACHE_TIME_TO_LIVE);\n  }\n\n  private _destroyLinesCache(): void {\n    this._linesCache = undefined;\n    this._linesCacheDisposables.clear();\n    if (this._linesCacheTimeoutId) {\n      window.clearTimeout(this._linesCacheTimeoutId);\n      this._linesCacheTimeoutId = 0;\n    }\n  }\n\n  /**\n   * A found substring is a whole word if it doesn't have an alphanumeric character directly\n   * adjacent to it.\n   * @param searchIndex starting indext of the potential whole word substring\n   * @param line entire string in which the potential whole word was found\n   * @param term the substring that starts at searchIndex\n   */\n  private _isWholeWord(searchIndex: number, line: string, term: string): boolean {\n    return ((searchIndex === 0) || (NON_WORD_CHARACTERS.includes(line[searchIndex - 1]))) &&\n      (((searchIndex + term.length) === line.length) || (NON_WORD_CHARACTERS.includes(line[searchIndex + term.length])));\n  }\n\n  /**\n   * Searches a line for a search term. Takes the provided terminal line and searches the text line,\n   * which may contain subsequent terminal lines if the text is wrapped. If the provided line number\n   * is part of a wrapped text line that started on an earlier line then it is skipped since it will\n   * be properly searched when the terminal line that the text starts on is searched.\n   * @param term The search term.\n   * @param searchPosition The position to start the search.\n   * @param searchOptions Search options.\n   * @param isReverseSearch Whether the search should start from the right side of the terminal and\n   * search to the left.\n   * @returns The search result if it was found.\n   */\n  protected _findInLine(term: string, searchPosition: ISearchPosition, searchOptions: ISearchOptions = {}, isReverseSearch: boolean = false): ISearchResult | undefined {\n    const terminal = this._terminal!;\n    const row = searchPosition.startRow;\n    const col = searchPosition.startCol;\n\n    // Ignore wrapped lines, only consider on unwrapped line (first row of command string).\n    const firstLine = terminal.buffer.active.getLine(row);\n    if (firstLine?.isWrapped) {\n      if (isReverseSearch) {\n        searchPosition.startCol += terminal.cols;\n        return;\n      }\n\n      // This will iterate until we find the line start.\n      // When we find it, we will search using the calculated start column.\n      searchPosition.startRow--;\n      searchPosition.startCol += terminal.cols;\n      return this._findInLine(term, searchPosition, searchOptions);\n    }\n    let cache = this._linesCache?.[row];\n    if (!cache) {\n      cache = this._translateBufferLineToStringWithWrap(row, true);\n      if (this._linesCache) {\n        this._linesCache[row] = cache;\n      }\n    }\n    const [stringLine, offsets] = cache;\n\n    const offset = this._bufferColsToStringOffset(row, col);\n    const searchTerm = searchOptions.caseSensitive ? term : term.toLowerCase();\n    const searchStringLine = searchOptions.caseSensitive ? stringLine : stringLine.toLowerCase();\n\n    let resultIndex = -1;\n    if (searchOptions.regex) {\n      const searchRegex = RegExp(searchTerm, 'g');\n      let foundTerm: RegExpExecArray | null;\n      if (isReverseSearch) {\n        // This loop will get the resultIndex of the _last_ regex match in the range 0..offset\n        while (foundTerm = searchRegex.exec(searchStringLine.slice(0, offset))) {\n          resultIndex = searchRegex.lastIndex - foundTerm[0].length;\n          term = foundTerm[0];\n          searchRegex.lastIndex -= (term.length - 1);\n        }\n      } else {\n        foundTerm = searchRegex.exec(searchStringLine.slice(offset));\n        if (foundTerm && foundTerm[0].length > 0) {\n          resultIndex = offset + (searchRegex.lastIndex - foundTerm[0].length);\n          term = foundTerm[0];\n        }\n      }\n    } else {\n      if (isReverseSearch) {\n        if (offset - searchTerm.length >= 0) {\n          resultIndex = searchStringLine.lastIndexOf(searchTerm, offset - searchTerm.length);\n        }\n      } else {\n        resultIndex = searchStringLine.indexOf(searchTerm, offset);\n      }\n    }\n\n    if (resultIndex >= 0) {\n      if (searchOptions.wholeWord && !this._isWholeWord(resultIndex, searchStringLine, term)) {\n        return;\n      }\n\n      // Adjust the row number and search index if needed since a \"line\" of text can span multiple\n      // rows\n      let startRowOffset = 0;\n      while (startRowOffset < offsets.length - 1 && resultIndex >= offsets[startRowOffset + 1]) {\n        startRowOffset++;\n      }\n      let endRowOffset = startRowOffset;\n      while (endRowOffset < offsets.length - 1 && resultIndex + term.length >= offsets[endRowOffset + 1]) {\n        endRowOffset++;\n      }\n      const startColOffset = resultIndex - offsets[startRowOffset];\n      const endColOffset = resultIndex + term.length - offsets[endRowOffset];\n      const startColIndex = this._stringLengthToBufferSize(row + startRowOffset, startColOffset);\n      const endColIndex = this._stringLengthToBufferSize(row + endRowOffset, endColOffset);\n      const size = endColIndex - startColIndex + terminal.cols * (endRowOffset - startRowOffset);\n\n      return {\n        term,\n        col: startColIndex,\n        row: row + startRowOffset,\n        size\n      };\n    }\n  }\n\n  private _stringLengthToBufferSize(row: number, offset: number): number {\n    const line = this._terminal!.buffer.active.getLine(row);\n    if (!line) {\n      return 0;\n    }\n    for (let i = 0; i < offset; i++) {\n      const cell = line.getCell(i);\n      if (!cell) {\n        break;\n      }\n      // Adjust the searchIndex to normalize emoji into single chars\n      const char = cell.getChars();\n      if (char.length > 1) {\n        offset -= char.length - 1;\n      }\n      // Adjust the searchIndex for empty characters following wide unicode\n      // chars (eg. CJK)\n      const nextCell = line.getCell(i + 1);\n      if (nextCell && nextCell.getWidth() === 0) {\n        offset++;\n      }\n    }\n    return offset;\n  }\n\n  private _bufferColsToStringOffset(startRow: number, cols: number): number {\n    const terminal = this._terminal!;\n    let lineIndex = startRow;\n    let offset = 0;\n    let line = terminal.buffer.active.getLine(lineIndex);\n    while (cols > 0 && line) {\n      for (let i = 0; i < cols && i < terminal.cols; i++) {\n        const cell = line.getCell(i);\n        if (!cell) {\n          break;\n        }\n        if (cell.getWidth()) {\n          // Treat null characters as whitespace to align with the translateToString API\n          offset += cell.getCode() === 0 ? 1 : cell.getChars().length;\n        }\n      }\n      lineIndex++;\n      line = terminal.buffer.active.getLine(lineIndex);\n      if (line && !line.isWrapped) {\n        break;\n      }\n      cols -= terminal.cols;\n    }\n    return offset;\n  }\n\n  /**\n   * Translates a buffer line to a string, including subsequent lines if they are wraps.\n   * Wide characters will count as two columns in the resulting string. This\n   * function is useful for getting the actual text underneath the raw selection\n   * position.\n   * @param lineIndex The index of the line being translated.\n   * @param trimRight Whether to trim whitespace to the right.\n   */\n  private _translateBufferLineToStringWithWrap(lineIndex: number, trimRight: boolean): LineCacheEntry {\n    const terminal = this._terminal!;\n    const strings = [];\n    const lineOffsets = [0];\n    let line = terminal.buffer.active.getLine(lineIndex);\n    while (line) {\n      const nextLine = terminal.buffer.active.getLine(lineIndex + 1);\n      const lineWrapsToNext = nextLine ? nextLine.isWrapped : false;\n      let string = line.translateToString(!lineWrapsToNext && trimRight);\n      if (lineWrapsToNext && nextLine) {\n        const lastCell = line.getCell(line.length - 1);\n        const lastCellIsNull = lastCell && lastCell.getCode() === 0 && lastCell.getWidth() === 1;\n        // a wide character wrapped to the next line\n        if (lastCellIsNull && nextLine.getCell(0)?.getWidth() === 2) {\n          string = string.slice(0, -1);\n        }\n      }\n      strings.push(string);\n      if (lineWrapsToNext) {\n        lineOffsets.push(lineOffsets[lineOffsets.length - 1] + string.length);\n      } else {\n        break;\n      }\n      lineIndex++;\n      line = nextLine;\n    }\n    return [strings.join(''), lineOffsets];\n  }\n\n  /**\n   * Selects and scrolls to a result.\n   * @param result The result to select.\n   * @returns Whether a result was selected.\n   */\n  private _selectResult(result: ISearchResult | undefined, options?: ISearchDecorationOptions, noScroll?: boolean): boolean {\n    const terminal = this._terminal!;\n    this._selectedDecoration.clear();\n    if (!result) {\n      terminal.clearSelection();\n      return false;\n    }\n    terminal.select(result.col, result.row, result.size);\n    if (options) {\n      const marker = terminal.registerMarker(-terminal.buffer.active.baseY - terminal.buffer.active.cursorY + result.row);\n      if (marker) {\n        const decoration = terminal.registerDecoration({\n          marker,\n          x: result.col,\n          width: result.size,\n          backgroundColor: options.activeMatchBackground,\n          layer: 'top',\n          overviewRulerOptions: {\n            color: options.activeMatchColorOverviewRuler\n          }\n        });\n        if (decoration) {\n          const disposables: IDisposable[] = [];\n          disposables.push(marker);\n          disposables.push(decoration.onRender((e) => this._applyStyles(e, options.activeMatchBorder, true)));\n          disposables.push(decoration.onDispose(() => disposeArray(disposables)));\n          this._selectedDecoration.value = { decoration, match: result, dispose() { decoration.dispose(); } };\n        }\n      }\n    }\n\n    if (!noScroll) {\n      // If it is not in the viewport then we scroll else it just gets selected\n      if (result.row >= (terminal.buffer.active.viewportY + terminal.rows) || result.row < terminal.buffer.active.viewportY) {\n        let scroll = result.row - terminal.buffer.active.viewportY;\n        scroll -= Math.floor(terminal.rows / 2);\n        terminal.scrollLines(scroll);\n      }\n    }\n    return true;\n  }\n\n  /**\n   * Applies styles to the decoration when it is rendered.\n   * @param element The decoration's element.\n   * @param borderColor The border color to apply.\n   * @param isActiveResult Whether the element is part of the active search result.\n   * @returns\n   */\n  private _applyStyles(element: HTMLElement, borderColor: string | undefined, isActiveResult: boolean): void {\n    if (!element.classList.contains('xterm-find-result-decoration')) {\n      element.classList.add('xterm-find-result-decoration');\n      if (borderColor) {\n        element.style.outline = `1px solid ${borderColor}`;\n      }\n    }\n    if (isActiveResult) {\n      element.classList.add('xterm-find-active-result-decoration');\n    }\n  }\n\n  /**\n   * Creates a decoration for the result and applies styles\n   * @param result the search result for which to create the decoration\n   * @param options the options for the decoration\n   * @returns the {@link IDecoration} or undefined if the marker has already been disposed of\n   */\n  private _createResultDecoration(result: ISearchResult, options: ISearchDecorationOptions): IDecoration | undefined {\n    const terminal = this._terminal!;\n    const marker = terminal.registerMarker(-terminal.buffer.active.baseY - terminal.buffer.active.cursorY + result.row);\n    if (!marker) {\n      return undefined;\n    }\n    const findResultDecoration = terminal.registerDecoration({\n      marker,\n      x: result.col,\n      width: result.size,\n      backgroundColor: options.matchBackground,\n      overviewRulerOptions: this._highlightedLines.has(marker.line) ? undefined : {\n        color: options.matchOverviewRuler,\n        position: 'center'\n      }\n    });\n    if (findResultDecoration) {\n      const disposables: IDisposable[] = [];\n      disposables.push(marker);\n      disposables.push(findResultDecoration.onRender((e) => this._applyStyles(e, options.matchBorder, false)));\n      disposables.push(findResultDecoration.onDispose(() => disposeArray(disposables)));\n    }\n    return findResultDecoration;\n  }\n}\n"],"names":["root","factory","exports","module","define","amd","self","_listeners","_disposed","event","this","_event","listener","push","dispose","i","length","splice","fire","arg1","arg2","queue","call","undefined","clearListeners","from","to","e","handler","disposeArray","disposables","d","_disposables","_isDisposed","register","unregister","index","indexOf","value","_value","clear","f","array","__webpack_module_cache__","__webpack_require__","moduleId","cachedModule","__webpack_modules__","NON_WORD_CHARACTERS","SearchAddon","Disposable","constructor","options","super","_highlightedLines","Set","_highlightDecorations","_selectedDecoration","MutableDisposable","_linesCacheTimeoutId","_linesCacheDisposables","_onDidChangeResults","EventEmitter","onDidChangeResults","_highlightLimit","highlightLimit","activate","terminal","_terminal","onWriteParsed","_updateMatches","onResize","toDisposable","clearDecorations","_highlightTimeout","window","clearTimeout","_cachedSearchTerm","_lastSearchOptions","decorations","setTimeout","term","findPrevious","incremental","noScroll","retainCachedSearchTerm","clearActiveDecoration","findNext","searchOptions","Error","didOptionsChanged","_didOptionsChange","_highlightAllMatches","found","_findNextAndSelect","_fireResults","searchResultsWithHighlight","prevResult","result","_find","row","col","cols","match","decoration","_createResultDecoration","add","marker","line","startRow","startCol","clearSelection","_initLinesCache","searchPosition","_findInLine","y","buffer","active","baseY","rows","prevSelectedPos","getSelectionPosition","end","x","start","_selectResult","_findPreviousAndSelect","lastSearchOptions","caseSensitive","regex","wholeWord","resultIndex","selectedMatch","size","resultCount","isReverseSearch","Math","max","_linesCache","Array","getDisposeArrayDisposable","onLineFeed","_destroyLinesCache","onCursorMove","_isWholeWord","searchIndex","includes","firstLine","getLine","isWrapped","cache","_translateBufferLineToStringWithWrap","stringLine","offsets","offset","_bufferColsToStringOffset","searchTerm","toLowerCase","searchStringLine","searchRegex","RegExp","foundTerm","exec","slice","lastIndex","lastIndexOf","startRowOffset","endRowOffset","startColOffset","endColOffset","startColIndex","_stringLengthToBufferSize","cell","getCell","char","getChars","nextCell","getWidth","lineIndex","getCode","trimRight","strings","lineOffsets","nextLine","lineWrapsToNext","string","translateToString","lastCell","join","select","registerMarker","cursorY","registerDecoration","width","backgroundColor","activeMatchBackground","layer","overviewRulerOptions","color","activeMatchColorOverviewRuler","onRender","_applyStyles","activeMatchBorder","onDispose","viewportY","scroll","floor","scrollLines","element","borderColor","isActiveResult","classList","contains","style","outline","findResultDecoration","matchBackground","has","matchOverviewRuler","position","matchBorder"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-search/package.json b/web/public/node_modules/@xterm/addon-search/package.json
new file mode 100644
index 000000000..7d9ce4945
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "@xterm/addon-search",
+  "version": "0.15.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-search.js",
+  "types": "typings/addon-search.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-search",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "prepackage": "../../node_modules/.bin/tsc -p .",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-search/src/SearchAddon.ts b/web/public/node_modules/@xterm/addon-search/src/SearchAddon.ts
new file mode 100644
index 000000000..d42f4d27f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/src/SearchAddon.ts
@@ -0,0 +1,747 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import type { Terminal, IDisposable, ITerminalAddon, IDecoration } from '@xterm/xterm';
+import type { SearchAddon as ISearchApi } from '@xterm/addon-search';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable, disposeArray, MutableDisposable, getDisposeArrayDisposable } from 'common/Lifecycle';
+
+export interface ISearchOptions {
+  regex?: boolean;
+  wholeWord?: boolean;
+  caseSensitive?: boolean;
+  incremental?: boolean;
+  decorations?: ISearchDecorationOptions;
+  noScroll?: boolean;
+}
+
+interface ISearchDecorationOptions {
+  matchBackground?: string;
+  matchBorder?: string;
+  matchOverviewRuler: string;
+  activeMatchBackground?: string;
+  activeMatchBorder?: string;
+  activeMatchColorOverviewRuler: string;
+}
+
+export interface ISearchPosition {
+  startCol: number;
+  startRow: number;
+}
+
+export interface ISearchAddonOptions {
+  highlightLimit: number;
+}
+
+export interface ISearchResult {
+  term: string;
+  col: number;
+  row: number;
+  size: number;
+}
+
+type LineCacheEntry = [
+  /**
+   * The string representation of a line (as opposed to the buffer cell representation).
+   */
+  lineAsString: string,
+  /**
+   * The offsets where each line starts when the entry describes a wrapped line.
+   */
+  lineOffsets: number[]
+];
+
+interface IHighlight extends IDisposable {
+  decoration: IDecoration;
+  match: ISearchResult;
+}
+
+const NON_WORD_CHARACTERS = ' ~!@#$%^&*()+`-=[]{}|\\;:"\',./<>?';
+const LINES_CACHE_TIME_TO_LIVE = 15 * 1000; // 15 secs
+const DEFAULT_HIGHLIGHT_LIMIT = 1000;
+
+export class SearchAddon extends Disposable implements ITerminalAddon , ISearchApi {
+  private _terminal: Terminal | undefined;
+  private _cachedSearchTerm: string | undefined;
+  private _highlightedLines: Set<number> = new Set();
+  private _highlightDecorations: IHighlight[] = [];
+  private _selectedDecoration: MutableDisposable<IHighlight> = this.register(new MutableDisposable());
+  private _highlightLimit: number;
+  private _lastSearchOptions: ISearchOptions | undefined;
+  private _highlightTimeout: number | undefined;
+  /**
+   * translateBufferLineToStringWithWrap is a fairly expensive call.
+   * We memoize the calls into an array that has a time based ttl.
+   * _linesCache is also invalidated when the terminal cursor moves.
+   */
+  private _linesCache: LineCacheEntry[] | undefined;
+  private _linesCacheTimeoutId = 0;
+  private _linesCacheDisposables = new MutableDisposable();
+
+  private readonly _onDidChangeResults = this.register(new EventEmitter<{ resultIndex: number, resultCount: number }>());
+  public readonly onDidChangeResults = this._onDidChangeResults.event;
+
+  constructor(options?: Partial<ISearchAddonOptions>) {
+    super();
+
+    this._highlightLimit = options?.highlightLimit ?? DEFAULT_HIGHLIGHT_LIMIT;
+  }
+
+  public activate(terminal: Terminal): void {
+    this._terminal = terminal;
+    this.register(this._terminal.onWriteParsed(() => this._updateMatches()));
+    this.register(this._terminal.onResize(() => this._updateMatches()));
+    this.register(toDisposable(() => this.clearDecorations()));
+  }
+
+  private _updateMatches(): void {
+    if (this._highlightTimeout) {
+      window.clearTimeout(this._highlightTimeout);
+    }
+    if (this._cachedSearchTerm && this._lastSearchOptions?.decorations) {
+      this._highlightTimeout = setTimeout(() => {
+        const term = this._cachedSearchTerm;
+        this._cachedSearchTerm = undefined;
+        this.findPrevious(term!, { ...this._lastSearchOptions, incremental: true, noScroll: true });
+      }, 200);
+    }
+  }
+
+  public clearDecorations(retainCachedSearchTerm?: boolean): void {
+    this._selectedDecoration.clear();
+    disposeArray(this._highlightDecorations);
+    this._highlightDecorations = [];
+    this._highlightedLines.clear();
+    if (!retainCachedSearchTerm) {
+      this._cachedSearchTerm = undefined;
+    }
+  }
+
+  public clearActiveDecoration(): void {
+    this._selectedDecoration.clear();
+  }
+
+  /**
+   * Find the next instance of the term, then scroll to and select it. If it
+   * doesn't exist, do nothing.
+   * @param term The search term.
+   * @param searchOptions Search options.
+   * @returns Whether a result was found.
+   */
+  public findNext(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+    const didOptionsChanged = this._lastSearchOptions ? this._didOptionsChange(this._lastSearchOptions, searchOptions) : true;
+    this._lastSearchOptions = searchOptions;
+    if (searchOptions?.decorations) {
+      if (this._cachedSearchTerm === undefined || term !== this._cachedSearchTerm || didOptionsChanged) {
+        this._highlightAllMatches(term, searchOptions);
+      }
+    }
+
+    const found = this._findNextAndSelect(term, searchOptions);
+    this._fireResults(searchOptions);
+    this._cachedSearchTerm = term;
+
+    return found;
+  }
+
+  private _highlightAllMatches(term: string, searchOptions: ISearchOptions): void {
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+    if (!term || term.length === 0) {
+      this.clearDecorations();
+      return;
+    }
+    searchOptions = searchOptions || {};
+
+    // new search, clear out the old decorations
+    this.clearDecorations(true);
+
+    const searchResultsWithHighlight: ISearchResult[] = [];
+    let prevResult: ISearchResult | undefined = undefined;
+    let result = this._find(term, 0, 0, searchOptions);
+    while (result && (prevResult?.row !== result.row || prevResult?.col !== result.col)) {
+      if (searchResultsWithHighlight.length >= this._highlightLimit) {
+        break;
+      }
+      prevResult = result;
+      searchResultsWithHighlight.push(prevResult);
+      result = this._find(
+        term,
+        prevResult.col + prevResult.term.length >= this._terminal.cols ? prevResult.row + 1 : prevResult.row,
+        prevResult.col + prevResult.term.length >= this._terminal.cols ? 0 : prevResult.col + 1,
+        searchOptions
+      );
+    }
+    for (const match of searchResultsWithHighlight) {
+      const decoration = this._createResultDecoration(match, searchOptions.decorations!);
+      if (decoration) {
+        this._highlightedLines.add(decoration.marker.line);
+        this._highlightDecorations.push({ decoration, match, dispose() { decoration.dispose(); } });
+      }
+    }
+  }
+
+  private _find(term: string, startRow: number, startCol: number, searchOptions?: ISearchOptions): ISearchResult | undefined {
+    if (!this._terminal || !term || term.length === 0) {
+      this._terminal?.clearSelection();
+      this.clearDecorations();
+      return undefined;
+    }
+    if (startCol > this._terminal.cols) {
+      throw new Error(`Invalid col: ${startCol} to search in terminal of ${this._terminal.cols} cols`);
+    }
+
+    let result: ISearchResult | undefined = undefined;
+
+    this._initLinesCache();
+
+    const searchPosition: ISearchPosition = {
+      startRow,
+      startCol
+    };
+
+    // Search startRow
+    result = this._findInLine(term, searchPosition, searchOptions);
+    // Search from startRow + 1 to end
+    if (!result) {
+
+      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {
+        searchPosition.startRow = y;
+        searchPosition.startCol = 0;
+        // If the current line is wrapped line, increase index of column to ignore the previous scan
+        // Otherwise, reset beginning column index to zero with set new unwrapped line index
+        result = this._findInLine(term, searchPosition, searchOptions);
+        if (result) {
+          break;
+        }
+      }
+    }
+    return result;
+  }
+
+  private _findNextAndSelect(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal || !term || term.length === 0) {
+      this._terminal?.clearSelection();
+      this.clearDecorations();
+      return false;
+    }
+
+    const prevSelectedPos = this._terminal.getSelectionPosition();
+    this._terminal.clearSelection();
+
+    let startCol = 0;
+    let startRow = 0;
+    if (prevSelectedPos) {
+      if (this._cachedSearchTerm === term) {
+        startCol = prevSelectedPos.end.x;
+        startRow = prevSelectedPos.end.y;
+      } else {
+        startCol = prevSelectedPos.start.x;
+        startRow = prevSelectedPos.start.y;
+      }
+    }
+
+    this._initLinesCache();
+
+    const searchPosition: ISearchPosition = {
+      startRow,
+      startCol
+    };
+
+    // Search startRow
+    let result = this._findInLine(term, searchPosition, searchOptions);
+    // Search from startRow + 1 to end
+    if (!result) {
+
+      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {
+        searchPosition.startRow = y;
+        searchPosition.startCol = 0;
+        // If the current line is wrapped line, increase index of column to ignore the previous scan
+        // Otherwise, reset beginning column index to zero with set new unwrapped line index
+        result = this._findInLine(term, searchPosition, searchOptions);
+        if (result) {
+          break;
+        }
+      }
+    }
+    // If we hit the bottom and didn't search from the very top wrap back up
+    if (!result && startRow !== 0) {
+      for (let y = 0; y < startRow; y++) {
+        searchPosition.startRow = y;
+        searchPosition.startCol = 0;
+        result = this._findInLine(term, searchPosition, searchOptions);
+        if (result) {
+          break;
+        }
+      }
+    }
+
+    // If there is only one result, wrap back and return selection if it exists.
+    if (!result && prevSelectedPos) {
+      searchPosition.startRow = prevSelectedPos.start.y;
+      searchPosition.startCol = 0;
+      result = this._findInLine(term, searchPosition, searchOptions);
+    }
+
+    // Set selection and scroll if a result was found
+    return this._selectResult(result, searchOptions?.decorations, searchOptions?.noScroll);
+  }
+  /**
+   * Find the previous instance of the term, then scroll to and select it. If it
+   * doesn't exist, do nothing.
+   * @param term The search term.
+   * @param searchOptions Search options.
+   * @returns Whether a result was found.
+   */
+  public findPrevious(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+    const didOptionsChanged = this._lastSearchOptions ? this._didOptionsChange(this._lastSearchOptions, searchOptions) : true;
+    this._lastSearchOptions = searchOptions;
+    if (searchOptions?.decorations) {
+      if (this._cachedSearchTerm === undefined || term !== this._cachedSearchTerm || didOptionsChanged) {
+        this._highlightAllMatches(term, searchOptions);
+      }
+    }
+
+    const found = this._findPreviousAndSelect(term, searchOptions);
+    this._fireResults(searchOptions);
+    this._cachedSearchTerm = term;
+
+    return found;
+  }
+
+  private _didOptionsChange(lastSearchOptions: ISearchOptions, searchOptions?: ISearchOptions): boolean {
+    if (!searchOptions) {
+      return false;
+    }
+    if (lastSearchOptions.caseSensitive !== searchOptions.caseSensitive) {
+      return true;
+    }
+    if (lastSearchOptions.regex !== searchOptions.regex) {
+      return true;
+    }
+    if (lastSearchOptions.wholeWord !== searchOptions.wholeWord) {
+      return true;
+    }
+    return false;
+  }
+
+  private _fireResults(searchOptions?: ISearchOptions): void {
+    if (searchOptions?.decorations) {
+      let resultIndex = -1;
+      if (this._selectedDecoration.value) {
+        const selectedMatch = this._selectedDecoration.value.match;
+        for (let i = 0; i < this._highlightDecorations.length; i++) {
+          const match = this._highlightDecorations[i].match;
+          if (match.row === selectedMatch.row && match.col === selectedMatch.col && match.size === selectedMatch.size) {
+            resultIndex = i;
+            break;
+          }
+        }
+      }
+      this._onDidChangeResults.fire({ resultIndex, resultCount: this._highlightDecorations.length });
+    }
+  }
+
+  private _findPreviousAndSelect(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+    if (!this._terminal || !term || term.length === 0) {
+      this._terminal?.clearSelection();
+      this.clearDecorations();
+      return false;
+    }
+
+    const prevSelectedPos = this._terminal.getSelectionPosition();
+    this._terminal.clearSelection();
+
+    let startRow = this._terminal.buffer.active.baseY + this._terminal.rows - 1;
+    let startCol = this._terminal.cols;
+    const isReverseSearch = true;
+
+    this._initLinesCache();
+    const searchPosition: ISearchPosition = {
+      startRow,
+      startCol
+    };
+
+    let result: ISearchResult | undefined;
+    if (prevSelectedPos) {
+      searchPosition.startRow = startRow = prevSelectedPos.start.y;
+      searchPosition.startCol = startCol = prevSelectedPos.start.x;
+      if (this._cachedSearchTerm !== term) {
+        // Try to expand selection to right first.
+        result = this._findInLine(term, searchPosition, searchOptions, false);
+        if (!result) {
+          // If selection was not able to be expanded to the right, then try reverse search
+          searchPosition.startRow = startRow = prevSelectedPos.end.y;
+          searchPosition.startCol = startCol = prevSelectedPos.end.x;
+        }
+      }
+    }
+
+    if (!result) {
+      result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
+    }
+
+    // Search from startRow - 1 to top
+    if (!result) {
+      searchPosition.startCol = Math.max(searchPosition.startCol, this._terminal.cols);
+      for (let y = startRow - 1; y >= 0; y--) {
+        searchPosition.startRow = y;
+        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
+        if (result) {
+          break;
+        }
+      }
+    }
+    // If we hit the top and didn't search from the very bottom wrap back down
+    if (!result && startRow !== (this._terminal.buffer.active.baseY + this._terminal.rows - 1)) {
+      for (let y = (this._terminal.buffer.active.baseY + this._terminal.rows - 1); y >= startRow; y--) {
+        searchPosition.startRow = y;
+        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
+        if (result) {
+          break;
+        }
+      }
+    }
+
+    // Set selection and scroll if a result was found
+    return this._selectResult(result, searchOptions?.decorations, searchOptions?.noScroll);
+  }
+
+  /**
+   * Sets up a line cache with a ttl
+   */
+  private _initLinesCache(): void {
+    const terminal = this._terminal!;
+    if (!this._linesCache) {
+      this._linesCache = new Array(terminal.buffer.active.length);
+      this._linesCacheDisposables.value = getDisposeArrayDisposable([
+        terminal.onLineFeed(() => this._destroyLinesCache()),
+        terminal.onCursorMove(() => this._destroyLinesCache()),
+        terminal.onResize(() => this._destroyLinesCache())
+      ]);
+    }
+
+    window.clearTimeout(this._linesCacheTimeoutId);
+    this._linesCacheTimeoutId = window.setTimeout(() => this._destroyLinesCache(), LINES_CACHE_TIME_TO_LIVE);
+  }
+
+  private _destroyLinesCache(): void {
+    this._linesCache = undefined;
+    this._linesCacheDisposables.clear();
+    if (this._linesCacheTimeoutId) {
+      window.clearTimeout(this._linesCacheTimeoutId);
+      this._linesCacheTimeoutId = 0;
+    }
+  }
+
+  /**
+   * A found substring is a whole word if it doesn't have an alphanumeric character directly
+   * adjacent to it.
+   * @param searchIndex starting indext of the potential whole word substring
+   * @param line entire string in which the potential whole word was found
+   * @param term the substring that starts at searchIndex
+   */
+  private _isWholeWord(searchIndex: number, line: string, term: string): boolean {
+    return ((searchIndex === 0) || (NON_WORD_CHARACTERS.includes(line[searchIndex - 1]))) &&
+      (((searchIndex + term.length) === line.length) || (NON_WORD_CHARACTERS.includes(line[searchIndex + term.length])));
+  }
+
+  /**
+   * Searches a line for a search term. Takes the provided terminal line and searches the text line,
+   * which may contain subsequent terminal lines if the text is wrapped. If the provided line number
+   * is part of a wrapped text line that started on an earlier line then it is skipped since it will
+   * be properly searched when the terminal line that the text starts on is searched.
+   * @param term The search term.
+   * @param searchPosition The position to start the search.
+   * @param searchOptions Search options.
+   * @param isReverseSearch Whether the search should start from the right side of the terminal and
+   * search to the left.
+   * @returns The search result if it was found.
+   */
+  protected _findInLine(term: string, searchPosition: ISearchPosition, searchOptions: ISearchOptions = {}, isReverseSearch: boolean = false): ISearchResult | undefined {
+    const terminal = this._terminal!;
+    const row = searchPosition.startRow;
+    const col = searchPosition.startCol;
+
+    // Ignore wrapped lines, only consider on unwrapped line (first row of command string).
+    const firstLine = terminal.buffer.active.getLine(row);
+    if (firstLine?.isWrapped) {
+      if (isReverseSearch) {
+        searchPosition.startCol += terminal.cols;
+        return;
+      }
+
+      // This will iterate until we find the line start.
+      // When we find it, we will search using the calculated start column.
+      searchPosition.startRow--;
+      searchPosition.startCol += terminal.cols;
+      return this._findInLine(term, searchPosition, searchOptions);
+    }
+    let cache = this._linesCache?.[row];
+    if (!cache) {
+      cache = this._translateBufferLineToStringWithWrap(row, true);
+      if (this._linesCache) {
+        this._linesCache[row] = cache;
+      }
+    }
+    const [stringLine, offsets] = cache;
+
+    const offset = this._bufferColsToStringOffset(row, col);
+    const searchTerm = searchOptions.caseSensitive ? term : term.toLowerCase();
+    const searchStringLine = searchOptions.caseSensitive ? stringLine : stringLine.toLowerCase();
+
+    let resultIndex = -1;
+    if (searchOptions.regex) {
+      const searchRegex = RegExp(searchTerm, 'g');
+      let foundTerm: RegExpExecArray | null;
+      if (isReverseSearch) {
+        // This loop will get the resultIndex of the _last_ regex match in the range 0..offset
+        while (foundTerm = searchRegex.exec(searchStringLine.slice(0, offset))) {
+          resultIndex = searchRegex.lastIndex - foundTerm[0].length;
+          term = foundTerm[0];
+          searchRegex.lastIndex -= (term.length - 1);
+        }
+      } else {
+        foundTerm = searchRegex.exec(searchStringLine.slice(offset));
+        if (foundTerm && foundTerm[0].length > 0) {
+          resultIndex = offset + (searchRegex.lastIndex - foundTerm[0].length);
+          term = foundTerm[0];
+        }
+      }
+    } else {
+      if (isReverseSearch) {
+        if (offset - searchTerm.length >= 0) {
+          resultIndex = searchStringLine.lastIndexOf(searchTerm, offset - searchTerm.length);
+        }
+      } else {
+        resultIndex = searchStringLine.indexOf(searchTerm, offset);
+      }
+    }
+
+    if (resultIndex >= 0) {
+      if (searchOptions.wholeWord && !this._isWholeWord(resultIndex, searchStringLine, term)) {
+        return;
+      }
+
+      // Adjust the row number and search index if needed since a "line" of text can span multiple
+      // rows
+      let startRowOffset = 0;
+      while (startRowOffset < offsets.length - 1 && resultIndex >= offsets[startRowOffset + 1]) {
+        startRowOffset++;
+      }
+      let endRowOffset = startRowOffset;
+      while (endRowOffset < offsets.length - 1 && resultIndex + term.length >= offsets[endRowOffset + 1]) {
+        endRowOffset++;
+      }
+      const startColOffset = resultIndex - offsets[startRowOffset];
+      const endColOffset = resultIndex + term.length - offsets[endRowOffset];
+      const startColIndex = this._stringLengthToBufferSize(row + startRowOffset, startColOffset);
+      const endColIndex = this._stringLengthToBufferSize(row + endRowOffset, endColOffset);
+      const size = endColIndex - startColIndex + terminal.cols * (endRowOffset - startRowOffset);
+
+      return {
+        term,
+        col: startColIndex,
+        row: row + startRowOffset,
+        size
+      };
+    }
+  }
+
+  private _stringLengthToBufferSize(row: number, offset: number): number {
+    const line = this._terminal!.buffer.active.getLine(row);
+    if (!line) {
+      return 0;
+    }
+    for (let i = 0; i < offset; i++) {
+      const cell = line.getCell(i);
+      if (!cell) {
+        break;
+      }
+      // Adjust the searchIndex to normalize emoji into single chars
+      const char = cell.getChars();
+      if (char.length > 1) {
+        offset -= char.length - 1;
+      }
+      // Adjust the searchIndex for empty characters following wide unicode
+      // chars (eg. CJK)
+      const nextCell = line.getCell(i + 1);
+      if (nextCell && nextCell.getWidth() === 0) {
+        offset++;
+      }
+    }
+    return offset;
+  }
+
+  private _bufferColsToStringOffset(startRow: number, cols: number): number {
+    const terminal = this._terminal!;
+    let lineIndex = startRow;
+    let offset = 0;
+    let line = terminal.buffer.active.getLine(lineIndex);
+    while (cols > 0 && line) {
+      for (let i = 0; i < cols && i < terminal.cols; i++) {
+        const cell = line.getCell(i);
+        if (!cell) {
+          break;
+        }
+        if (cell.getWidth()) {
+          // Treat null characters as whitespace to align with the translateToString API
+          offset += cell.getCode() === 0 ? 1 : cell.getChars().length;
+        }
+      }
+      lineIndex++;
+      line = terminal.buffer.active.getLine(lineIndex);
+      if (line && !line.isWrapped) {
+        break;
+      }
+      cols -= terminal.cols;
+    }
+    return offset;
+  }
+
+  /**
+   * Translates a buffer line to a string, including subsequent lines if they are wraps.
+   * Wide characters will count as two columns in the resulting string. This
+   * function is useful for getting the actual text underneath the raw selection
+   * position.
+   * @param lineIndex The index of the line being translated.
+   * @param trimRight Whether to trim whitespace to the right.
+   */
+  private _translateBufferLineToStringWithWrap(lineIndex: number, trimRight: boolean): LineCacheEntry {
+    const terminal = this._terminal!;
+    const strings = [];
+    const lineOffsets = [0];
+    let line = terminal.buffer.active.getLine(lineIndex);
+    while (line) {
+      const nextLine = terminal.buffer.active.getLine(lineIndex + 1);
+      const lineWrapsToNext = nextLine ? nextLine.isWrapped : false;
+      let string = line.translateToString(!lineWrapsToNext && trimRight);
+      if (lineWrapsToNext && nextLine) {
+        const lastCell = line.getCell(line.length - 1);
+        const lastCellIsNull = lastCell && lastCell.getCode() === 0 && lastCell.getWidth() === 1;
+        // a wide character wrapped to the next line
+        if (lastCellIsNull && nextLine.getCell(0)?.getWidth() === 2) {
+          string = string.slice(0, -1);
+        }
+      }
+      strings.push(string);
+      if (lineWrapsToNext) {
+        lineOffsets.push(lineOffsets[lineOffsets.length - 1] + string.length);
+      } else {
+        break;
+      }
+      lineIndex++;
+      line = nextLine;
+    }
+    return [strings.join(''), lineOffsets];
+  }
+
+  /**
+   * Selects and scrolls to a result.
+   * @param result The result to select.
+   * @returns Whether a result was selected.
+   */
+  private _selectResult(result: ISearchResult | undefined, options?: ISearchDecorationOptions, noScroll?: boolean): boolean {
+    const terminal = this._terminal!;
+    this._selectedDecoration.clear();
+    if (!result) {
+      terminal.clearSelection();
+      return false;
+    }
+    terminal.select(result.col, result.row, result.size);
+    if (options) {
+      const marker = terminal.registerMarker(-terminal.buffer.active.baseY - terminal.buffer.active.cursorY + result.row);
+      if (marker) {
+        const decoration = terminal.registerDecoration({
+          marker,
+          x: result.col,
+          width: result.size,
+          backgroundColor: options.activeMatchBackground,
+          layer: 'top',
+          overviewRulerOptions: {
+            color: options.activeMatchColorOverviewRuler
+          }
+        });
+        if (decoration) {
+          const disposables: IDisposable[] = [];
+          disposables.push(marker);
+          disposables.push(decoration.onRender((e) => this._applyStyles(e, options.activeMatchBorder, true)));
+          disposables.push(decoration.onDispose(() => disposeArray(disposables)));
+          this._selectedDecoration.value = { decoration, match: result, dispose() { decoration.dispose(); } };
+        }
+      }
+    }
+
+    if (!noScroll) {
+      // If it is not in the viewport then we scroll else it just gets selected
+      if (result.row >= (terminal.buffer.active.viewportY + terminal.rows) || result.row < terminal.buffer.active.viewportY) {
+        let scroll = result.row - terminal.buffer.active.viewportY;
+        scroll -= Math.floor(terminal.rows / 2);
+        terminal.scrollLines(scroll);
+      }
+    }
+    return true;
+  }
+
+  /**
+   * Applies styles to the decoration when it is rendered.
+   * @param element The decoration's element.
+   * @param borderColor The border color to apply.
+   * @param isActiveResult Whether the element is part of the active search result.
+   * @returns
+   */
+  private _applyStyles(element: HTMLElement, borderColor: string | undefined, isActiveResult: boolean): void {
+    if (!element.classList.contains('xterm-find-result-decoration')) {
+      element.classList.add('xterm-find-result-decoration');
+      if (borderColor) {
+        element.style.outline = `1px solid ${borderColor}`;
+      }
+    }
+    if (isActiveResult) {
+      element.classList.add('xterm-find-active-result-decoration');
+    }
+  }
+
+  /**
+   * Creates a decoration for the result and applies styles
+   * @param result the search result for which to create the decoration
+   * @param options the options for the decoration
+   * @returns the {@link IDecoration} or undefined if the marker has already been disposed of
+   */
+  private _createResultDecoration(result: ISearchResult, options: ISearchDecorationOptions): IDecoration | undefined {
+    const terminal = this._terminal!;
+    const marker = terminal.registerMarker(-terminal.buffer.active.baseY - terminal.buffer.active.cursorY + result.row);
+    if (!marker) {
+      return undefined;
+    }
+    const findResultDecoration = terminal.registerDecoration({
+      marker,
+      x: result.col,
+      width: result.size,
+      backgroundColor: options.matchBackground,
+      overviewRulerOptions: this._highlightedLines.has(marker.line) ? undefined : {
+        color: options.matchOverviewRuler,
+        position: 'center'
+      }
+    });
+    if (findResultDecoration) {
+      const disposables: IDisposable[] = [];
+      disposables.push(marker);
+      disposables.push(findResultDecoration.onRender((e) => this._applyStyles(e, options.matchBorder, false)));
+      disposables.push(findResultDecoration.onDispose(() => disposeArray(disposables)));
+    }
+    return findResultDecoration;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-search/typings/addon-search.d.ts b/web/public/node_modules/@xterm/addon-search/typings/addon-search.d.ts
new file mode 100644
index 000000000..282004a2a
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-search/typings/addon-search.d.ts
@@ -0,0 +1,146 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Terminal, ITerminalAddon, IEvent } from '@xterm/xterm';
+
+declare module '@xterm/addon-search' {
+  /**
+   * Options for a search.
+   */
+  export interface ISearchOptions {
+    /**
+     * Whether the search term is a regex.
+     */
+    regex?: boolean;
+
+    /**
+     * Whether to search for a whole word, the result is only valid if it's
+     * surrounded in "non-word" characters such as `_`, `(`, `)` or space.
+     */
+    wholeWord?: boolean;
+
+    /**
+     * Whether the search is case sensitive.
+     */
+    caseSensitive?: boolean;
+
+    /**
+     * Whether to do an incremental search, this will expand the selection if it
+     * still matches the term the user typed. Note that this only affects
+     * `findNext`, not `findPrevious`.
+     */
+    incremental?: boolean;
+
+    /**
+     * When set, will highlight all instances of the word on search and show
+     * them in the overview ruler if it's enabled.
+     */
+    decorations?: ISearchDecorationOptions;
+  }
+
+  /**
+   * Options for showing decorations when searching.
+   */
+  interface ISearchDecorationOptions {
+    /**
+     * The background color of a match, this must use #RRGGBB format.
+     */
+    matchBackground?: string;
+
+    /**
+     * The border color of a match.
+     */
+    matchBorder?: string;
+
+    /**
+     * The overview ruler color of a match.
+     */
+    matchOverviewRuler: string;
+
+    /**
+     * The background color for the currently active match, this must use #RRGGBB format.
+     */
+    activeMatchBackground?: string;
+
+    /**
+     * The border color of the currently active match.
+     */
+    activeMatchBorder?: string;
+
+    /**
+     * The overview ruler color of the currently active match.
+     */
+    activeMatchColorOverviewRuler: string;
+  }
+
+  /**
+   * Options for the search addon.
+   */
+  export interface ISearchAddonOptions {
+    /**
+     * Max number of matches highlighted when decorations are enabled.
+     * Defaults to 1000 highlighted matches
+     */
+    highlightLimit: number
+  }
+
+  /**
+   * An xterm.js addon that provides search functionality.
+   */
+  export class SearchAddon implements ITerminalAddon {
+
+    /**
+     * Creates a new search addon.
+     * @param options Options for the search addon.
+     */
+    constructor(options?: Partial<ISearchAddonOptions>);
+
+    /**
+     * Activates the addon
+     * @param terminal The terminal the addon is being loaded in.
+     */
+    public activate(terminal: Terminal): void;
+
+    /**
+     * Disposes the addon.
+     */
+    public dispose(): void;
+
+    /**
+     * Search forwards for the next result that matches the search term and
+     * options.
+     * @param term The search term.
+     * @param searchOptions The options for the search.
+     */
+    public findNext(term: string, searchOptions?: ISearchOptions): boolean;
+
+    /**
+     * Search backwards for the previous result that matches the search term and
+     * options.
+     * @param term The search term.
+     * @param searchOptions The options for the search.
+     */
+    public findPrevious(term: string, searchOptions?: ISearchOptions): boolean;
+
+    /**
+     * Clears the decorations and selection
+     */
+    public clearDecorations(): void;
+
+    /**
+     * Clears the active result decoration, this decoration is applied on top of the selection so
+     * removing it will reveal the selection underneath. This is intended to be called on the search
+     * textarea's `blur` event.
+     */
+    public clearActiveDecoration(): void;
+
+    /**
+     * When decorations are enabled, fires when
+     * the search results change.
+     * @returns -1 for resultIndex when the threshold of matches is exceeded.
+     */
+    readonly onDidChangeResults: IEvent<{ resultIndex: number, resultCount: number }>;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-serialize/README.md b/web/public/node_modules/@xterm/addon-serialize/README.md
new file mode 100644
index 000000000..862ebac3e
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-serialize/README.md
@@ -0,0 +1,42 @@
+## @xterm/addon-serialize
+
+An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables xterm.js to serialize a terminal framebuffer into string or html. This addon requires xterm.js v4+.
+
+⚠️ This is an experimental addon that is still under construction ⚠️
+
+### Install
+
+```bash
+npm install --save @xterm/addon-serialize
+```
+
+### Usage
+
+```ts
+import { Terminal } from "@xterm/xterm";
+import { SerializeAddon } from "@xterm/addon-serialize";
+
+const terminal = new Terminal();
+const serializeAddon = new SerializeAddon();
+terminal.loadAddon(serializeAddon);
+
+terminal.write("something...", () => {
+  console.log(serializeAddon.serialize());
+});
+```
+
+See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-serialize/typings/addon-serialize.d.ts) for more advanced usage.
+
+### Benchmark
+
+⚠️ Ensure you have `lolcat`, `hexdump` programs installed in your computer
+
+```shell
+$ git clone https://github.com/xtermjs/xterm.js.git
+$ cd xterm.js
+$ yarn
+$ cd addons/addon-serialize
+$ yarn benchmark && yarn benchmark-baseline
+$ # change some code in `@xterm/addon-serialize`
+$ yarn benchmark-eval
+```
diff --git a/web/public/node_modules/@xterm/addon-serialize/lib/addon-serialize.js b/web/public/node_modules/@xterm/addon-serialize/lib/addon-serialize.js
new file mode 100644
index 000000000..d6ae433ec
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-serialize/lib/addon-serialize.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.SerializeAddon=t():e.SerializeAddon=t()}(this,(()=>(()=>{"use strict";var e={930:(e,t,s)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ColorContrastCache=void 0;const r=s(485);t.ColorContrastCache=class{constructor(){this._color=new r.TwoKeyMap,this._css=new r.TwoKeyMap}setCss(e,t,s){this._css.set(e,t,s)}getCss(e,t){return this._css.get(e,t)}setColor(e,t,s){this._color.set(e,t,s)}getColor(e,t){return this._color.get(e,t)}clear(){this._color.clear(),this._css.clear()}}},997:function(e,t,s){var r=this&&this.__decorate||function(e,t,s,r){var o,i=arguments.length,n=i<3?t:null===r?r=Object.getOwnPropertyDescriptor(t,s):r;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)n=Reflect.decorate(e,t,s,r);else for(var l=e.length-1;l>=0;l--)(o=e[l])&&(n=(i<3?o(n):i>3?o(t,s,n):o(t,s))||n);return 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t=this._allRows.length;this._buffer.length-this._firstRow<=this._terminal.rows&&(t=this._lastContentCursorRow+1-this._firstRow,this._lastCursorCol=this._lastContentCursorCol,this._lastCursorRow=this._lastContentCursorRow);let s="";for(let e=0;e<t;e++)s+=this._allRows[e],e+1<t&&(s+=this._allRowSeparators[e]);if(!e){const e=this._buffer.baseY+this._buffer.cursorY,t=this._buffer.cursorX,o=e=>{e>0?s+=`[${e}C`:e<0&&(s+=`[${-e}D`)};(e!==this._lastCursorRow||t!==this._lastCursorCol)&&((r=e-this._lastCursorRow)>0?s+=`[${r}B`:r<0&&(s+=`[${-r}A`),o(t-this._lastCursorCol))}var r;const o=this._terminal._core._inputHandler._curAttrData,i=this._diffStyle(o,this._cursorStyle);return i.length>0&&(s+=`[${i.join(";")}m`),s}}e.SerializeAddon=class{activate(e){this._terminal=e}_serializeBufferByScrollback(e,t,s){const r=t.length,i=void 0===s?r:o(s+e.rows,0,r);return this._serializeBufferByRange(e,t,{start:r-i,end:r-1},!1)}_serializeBufferByRange(e,t,s,r){return new c(t,e).serialize({start:{x:0,y:"number"==typeof s.start?s.start:s.start.line},end:{x:e.cols,y:"number"==typeof s.end?s.end:s.end.line}},r)}_serializeBufferAsHTML(e,t){const s=e.buffer.active,r=new h(s,e,t);if(!t.onlySelection){const i=s.length,n=t.scrollback,l=void 0===n?i:o(n+e.rows,0,i);return r.serialize({start:{x:0,y:i-l},end:{x:e.cols,y:i-1}})}const i=this._terminal?.getSelectionPosition();return void 0!==i?r.serialize({start:{x:i.start.x,y:i.start.y},end:{x:i.end.x,y:i.end.y}}):""}_serializeModes(e){let t="";const s=e.modes;if(s.applicationCursorKeysMode&&(t+="[?1h"),s.applicationKeypadMode&&(t+="[?66h"),s.bracketedPasteMode&&(t+="[?2004h"),s.insertMode&&(t+=""),s.originMode&&(t+="[?6h"),s.reverseWraparoundMode&&(t+="[?45h"),s.sendFocusMode&&(t+="[?1004h"),!1===s.wraparoundMode&&(t+="[?7l"),"none"!==s.mouseTrackingMode)switch(s.mouseTrackingMode){case"x10":t+="[?9h";break;case"vt200":t+="[?1000h";break;case"drag":t+="[?1002h";break;case"any":t+="[?1003h"}return t}serialize(e){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");let t=e?.range?this._serializeBufferByRange(this._terminal,this._terminal.buffer.normal,e.range,!0):this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.normal,e?.scrollback);return e?.excludeAltBuffer||"alternate"!==this._terminal.buffer.active.type||(t+=`[?1049h${this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.alternate,void 0)}`),e?.excludeModes||(t+=this._serializeModes(this._terminal)),t}serializeAsHTML(e){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");return this._serializeBufferAsHTML(this._terminal,e||{})}dispose(){}};class h extends i{constructor(e,s,r){super(e),this._terminal=s,this._options=r,this._currentRow="",this._htmlContent="",s._core._themeService?this._ansiColors=s._core._themeService.colors.ansi:this._ansiColors=t.DEFAULT_ANSI_COLORS}_padStart(e,t,s){return t>>=0,s=s??" ",e.length>t?e:((t-=e.length)>s.length&&(s+=s.repeat(t/s.length)),s.slice(0,t)+e)}_beforeSerialize(e,t,s){this._htmlContent+="<html><body>\x3c!--StartFragment--\x3e<pre>";let r="#000000",o="#ffffff";this._options.includeGlobalBackground&&(r=this._terminal.options.theme?.foreground??"#ffffff",o=this._terminal.options.theme?.background??"#000000");const i=[];i.push("color: "+r+";"),i.push("background-color: "+o+";"),i.push("font-family: "+this._terminal.options.fontFamily+";"),i.push("font-size: "+this._terminal.options.fontSize+"px;"),this._htmlContent+="<div style='"+i.join(" ")+"'>"}_afterSerialize(){this._htmlContent+="</div>",this._htmlContent+="</pre>\x3c!--EndFragment--\x3e</body></html>"}_rowEnd(e,t){this._htmlContent+="<div><span>"+this._currentRow+"</span></div>",this._currentRow=""}_getHexColor(e,t){const s=t?e.getFgColor():e.getBgColor();return(t?e.isFgRGB():e.isBgRGB())?"#"+[s>>16&255,s>>8&255,255&s].map((e=>this._padStart(e.toString(16),2,"0"))).join(""):(t?e.isFgPalette():e.isBgPalette())?this._ansiColors[s].css:void 0}_diffStyle(e,t){const s=[],r=!n(e,t),o=!l(e,t),i=!a(e,t);if(r||o||i){const t=this._getHexColor(e,!0);t&&s.push("color: "+t+";");const r=this._getHexColor(e,!1);return r&&s.push("background-color: "+r+";"),e.isInverse()&&s.push("color: #000000; background-color: #BFBFBF;"),e.isBold()&&s.push("font-weight: bold;"),e.isUnderline()&&e.isOverline()?s.push("text-decoration: overline underline;"):e.isUnderline()?s.push("text-decoration: underline;"):e.isOverline()&&s.push("text-decoration: overline;"),e.isBlink()&&s.push("text-decoration: blink;"),e.isInvisible()&&s.push("visibility: hidden;"),e.isItalic()&&s.push("font-style: italic;"),e.isDim()&&s.push("opacity: 0.5;"),e.isStrikethrough()&&s.push("text-decoration: line-through;"),s}}_nextCell(e,t,s,r){if(0===e.getWidth())return;const o=""===e.getChars(),i=this._diffStyle(e,t);i&&(this._currentRow+=0===i.length?"</span><span>":"</span><span style='"+i.join(" ")+"'>"),this._currentRow+=o?" ":e.getChars()}_serializeString(){return this._htmlContent}}e.HTMLSerializeHandler=h})(),r})()));
+//# sourceMappingURL=addon-serialize.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-serialize/lib/addon-serialize.js.map b/web/public/node_modules/@xterm/addon-serialize/lib/addon-serialize.js.map
new file mode 100644
index 000000000..3c779a796
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-serialize/lib/addon-serialize.js.map
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"SerializeAddon\"] = factory();\n\telse\n\t\troot[\"SerializeAddon\"] = factory();\n})(this, () => {\nreturn ","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorContrastCache } from 'browser/Types';\nimport { IColor } from 'common/Types';\nimport { TwoKeyMap } from 'common/MultiKeyMap';\n\nexport class ColorContrastCache implements IColorContrastCache {\n  private _color: TwoKeyMap</* bg */number, /* fg */number, IColor | null> = new TwoKeyMap();\n  private _css: TwoKeyMap</* bg */number, /* fg */number, string | null> = new TwoKeyMap();\n\n  public setCss(bg: number, fg: number, value: string | null): void {\n    this._css.set(bg, fg, value);\n  }\n\n  public getCss(bg: number, fg: number): string | null | undefined {\n    return this._css.get(bg, fg);\n  }\n\n  public setColor(bg: number, fg: number, value: IColor | null): void {\n    this._color.set(bg, fg, value);\n  }\n\n  public getColor(bg: number, fg: number): IColor | null | undefined {\n    return this._color.get(bg, fg);\n  }\n\n  public clear(): void {\n    this._color.clear();\n    this._css.clear();\n  }\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ColorContrastCache } from 'browser/ColorContrastCache';\nimport { IThemeService } from 'browser/services/Services';\nimport { IColorContrastCache, IColorSet, ReadonlyColorSet } from 'browser/Types';\nimport { channels, color, css, NULL_COLOR } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IOptionsService, ITheme } from 'common/services/Services';\nimport { AllColorIndex, IColor, SpecialColorIndex } from 'common/Types';\n\ninterface IRestoreColorSet {\n  foreground: IColor;\n  background: IColor;\n  cursor: IColor;\n  ansi: IColor[];\n}\n\n\nconst DEFAULT_FOREGROUND = css.toColor('#ffffff');\nconst DEFAULT_BACKGROUND = css.toColor('#000000');\nconst DEFAULT_CURSOR = css.toColor('#ffffff');\nconst DEFAULT_CURSOR_ACCENT = css.toColor('#000000');\nconst DEFAULT_SELECTION = {\n  css: 'rgba(255, 255, 255, 0.3)',\n  rgba: 0xFFFFFF4D\n};\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n  const colors = [\n    // dark:\n    css.toColor('#2e3436'),\n    css.toColor('#cc0000'),\n    css.toColor('#4e9a06'),\n    css.toColor('#c4a000'),\n    css.toColor('#3465a4'),\n    css.toColor('#75507b'),\n    css.toColor('#06989a'),\n    css.toColor('#d3d7cf'),\n    // bright:\n    css.toColor('#555753'),\n    css.toColor('#ef2929'),\n    css.toColor('#8ae234'),\n    css.toColor('#fce94f'),\n    css.toColor('#729fcf'),\n    css.toColor('#ad7fa8'),\n    css.toColor('#34e2e2'),\n    css.toColor('#eeeeec')\n  ];\n\n  // Fill in the remaining 240 ANSI colors.\n  // Generate colors (16-231)\n  const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n  for (let i = 0; i < 216; i++) {\n    const r = v[(i / 36) % 6 | 0];\n    const g = v[(i / 6) % 6 | 0];\n    const b = v[i % 6];\n    colors.push({\n      css: channels.toCss(r, g, b),\n      rgba: channels.toRgba(r, g, b)\n    });\n  }\n\n  // Generate greys (232-255)\n  for (let i = 0; i < 24; i++) {\n    const c = 8 + i * 10;\n    colors.push({\n      css: channels.toCss(c, c, c),\n      rgba: channels.toRgba(c, c, c)\n    });\n  }\n\n  return colors;\n})());\n\nexport class ThemeService extends Disposable implements IThemeService {\n  public serviceBrand: undefined;\n\n  private _colors: IColorSet;\n  private _contrastCache: IColorContrastCache = new ColorContrastCache();\n  private _halfContrastCache: IColorContrastCache = new ColorContrastCache();\n  private _restoreColors!: IRestoreColorSet;\n\n  public get colors(): ReadonlyColorSet { return this._colors; }\n\n  private readonly _onChangeColors = this.register(new EventEmitter<ReadonlyColorSet>());\n  public readonly onChangeColors = this._onChangeColors.event;\n\n  constructor(\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n\n    this._colors = {\n      foreground: DEFAULT_FOREGROUND,\n      background: DEFAULT_BACKGROUND,\n      cursor: DEFAULT_CURSOR,\n      cursorAccent: DEFAULT_CURSOR_ACCENT,\n      selectionForeground: undefined,\n      selectionBackgroundTransparent: DEFAULT_SELECTION,\n      selectionBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n      selectionInactiveBackgroundTransparent: DEFAULT_SELECTION,\n      selectionInactiveBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n      ansi: DEFAULT_ANSI_COLORS.slice(),\n      contrastCache: this._contrastCache,\n      halfContrastCache: this._halfContrastCache\n    };\n    this._updateRestoreColors();\n    this._setTheme(this._optionsService.rawOptions.theme);\n\n    this.register(this._optionsService.onSpecificOptionChange('minimumContrastRatio', () => this._contrastCache.clear()));\n    this.register(this._optionsService.onSpecificOptionChange('theme', () => this._setTheme(this._optionsService.rawOptions.theme)));\n  }\n\n  /**\n   * Sets the terminal's theme.\n   * @param theme The  theme to use. If a partial theme is provided then default\n   * colors will be used where colors are not defined.\n   */\n  private _setTheme(theme: ITheme = {}): void {\n    const colors = this._colors;\n    colors.foreground = parseColor(theme.foreground, DEFAULT_FOREGROUND);\n    colors.background = parseColor(theme.background, DEFAULT_BACKGROUND);\n    colors.cursor = parseColor(theme.cursor, DEFAULT_CURSOR);\n    colors.cursorAccent = parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT);\n    colors.selectionBackgroundTransparent = parseColor(theme.selectionBackground, DEFAULT_SELECTION);\n    colors.selectionBackgroundOpaque = color.blend(colors.background, colors.selectionBackgroundTransparent);\n    colors.selectionInactiveBackgroundTransparent = parseColor(theme.selectionInactiveBackground, colors.selectionBackgroundTransparent);\n    colors.selectionInactiveBackgroundOpaque = color.blend(colors.background, colors.selectionInactiveBackgroundTransparent);\n    colors.selectionForeground = theme.selectionForeground ? parseColor(theme.selectionForeground, NULL_COLOR) : undefined;\n    if (colors.selectionForeground === NULL_COLOR) {\n      colors.selectionForeground = undefined;\n    }\n\n    /**\n     * If selection color is opaque, blend it with background with 0.3 opacity\n     * Issue #2737\n     */\n    if (color.isOpaque(colors.selectionBackgroundTransparent)) {\n      const opacity = 0.3;\n      colors.selectionBackgroundTransparent = color.opacity(colors.selectionBackgroundTransparent, opacity);\n    }\n    if (color.isOpaque(colors.selectionInactiveBackgroundTransparent)) {\n      const opacity = 0.3;\n      colors.selectionInactiveBackgroundTransparent = color.opacity(colors.selectionInactiveBackgroundTransparent, opacity);\n    }\n    colors.ansi = DEFAULT_ANSI_COLORS.slice();\n    colors.ansi[0] = parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);\n    colors.ansi[1] = parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);\n    colors.ansi[2] = parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);\n    colors.ansi[3] = parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);\n    colors.ansi[4] = parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);\n    colors.ansi[5] = parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);\n    colors.ansi[6] = parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);\n    colors.ansi[7] = parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);\n    colors.ansi[8] = parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);\n    colors.ansi[9] = parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);\n    colors.ansi[10] = parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);\n    colors.ansi[11] = parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);\n    colors.ansi[12] = parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);\n    colors.ansi[13] = parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);\n    colors.ansi[14] = parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);\n    colors.ansi[15] = parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);\n    if (theme.extendedAnsi) {\n      const colorCount = Math.min(colors.ansi.length - 16, theme.extendedAnsi.length);\n      for (let i = 0; i < colorCount; i++) {\n        colors.ansi[i + 16] = parseColor(theme.extendedAnsi[i], DEFAULT_ANSI_COLORS[i + 16]);\n      }\n    }\n    // Clear our the cache\n    this._contrastCache.clear();\n    this._halfContrastCache.clear();\n    this._updateRestoreColors();\n    this._onChangeColors.fire(this.colors);\n  }\n\n  public restoreColor(slot?: AllColorIndex): void {\n    this._restoreColor(slot);\n    this._onChangeColors.fire(this.colors);\n  }\n\n  private _restoreColor(slot: AllColorIndex | undefined): void {\n    // unset slot restores all ansi colors\n    if (slot === undefined) {\n      for (let i = 0; i < this._restoreColors.ansi.length; ++i) {\n        this._colors.ansi[i] = this._restoreColors.ansi[i];\n      }\n      return;\n    }\n    switch (slot) {\n      case SpecialColorIndex.FOREGROUND:\n        this._colors.foreground = this._restoreColors.foreground;\n        break;\n      case SpecialColorIndex.BACKGROUND:\n        this._colors.background = this._restoreColors.background;\n        break;\n      case SpecialColorIndex.CURSOR:\n        this._colors.cursor = this._restoreColors.cursor;\n        break;\n      default:\n        this._colors.ansi[slot] = this._restoreColors.ansi[slot];\n    }\n  }\n\n  public modifyColors(callback: (colors: IColorSet) => void): void {\n    callback(this._colors);\n    // Assume the change happened\n    this._onChangeColors.fire(this.colors);\n  }\n\n  private _updateRestoreColors(): void {\n    this._restoreColors = {\n      foreground: this._colors.foreground,\n      background: this._colors.background,\n      cursor: this._colors.cursor,\n      ansi: this._colors.ansi.slice()\n    };\n  }\n}\n\nfunction parseColor(\n  cssString: string | undefined,\n  fallback: IColor\n): IColor {\n  if (cssString !== undefined) {\n    try {\n      return css.toColor(cssString);\n    } catch {\n      // no-op\n    }\n  }\n  return fallback;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorRGB } from 'common/Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n  css: '#00000000',\n  rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n  export function toCss(r: number, g: number, b: number, a?: number): string {\n    if (a !== undefined) {\n      return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n    }\n    return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n  }\n\n  export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n    // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n    // on LE systems, before it can be used for direct 32-bit buffer writes.\n    // >>> 0 forces an unsigned int\n    return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n  }\n\n  export function toColor(r: number, g: number, b: number, a?: number): IColor {\n    return {\n      css: channels.toCss(r, g, b, a),\n      rgba: channels.toRgba(r, g, b, a)\n    };\n  }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n  export function blend(bg: IColor, fg: IColor): IColor {\n    $a = (fg.rgba & 0xFF) / 255;\n    if ($a === 1) {\n      return {\n        css: fg.css,\n        rgba: fg.rgba\n      };\n    }\n    const fgR = (fg.rgba >> 24) & 0xFF;\n    const fgG = (fg.rgba >> 16) & 0xFF;\n    const fgB = (fg.rgba >> 8) & 0xFF;\n    const bgR = (bg.rgba >> 24) & 0xFF;\n    const bgG = (bg.rgba >> 16) & 0xFF;\n    const bgB = (bg.rgba >> 8) & 0xFF;\n    $r = bgR + Math.round((fgR - bgR) * $a);\n    $g = bgG + Math.round((fgG - bgG) * $a);\n    $b = bgB + Math.round((fgB - bgB) * $a);\n    const css = channels.toCss($r, $g, $b);\n    const rgba = channels.toRgba($r, $g, $b);\n    return { css, rgba };\n  }\n\n  export function isOpaque(color: IColor): boolean {\n    return (color.rgba & 0xFF) === 0xFF;\n  }\n\n  export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n    const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n    if (!result) {\n      return undefined;\n    }\n    return channels.toColor(\n      (result >> 24 & 0xFF),\n      (result >> 16 & 0xFF),\n      (result >> 8  & 0xFF)\n    );\n  }\n\n  export function opaque(color: IColor): IColor {\n    const rgbaColor = (color.rgba | 0xFF) >>> 0;\n    [$r, $g, $b] = rgba.toChannels(rgbaColor);\n    return {\n      css: channels.toCss($r, $g, $b),\n      rgba: rgbaColor\n    };\n  }\n\n  export function opacity(color: IColor, opacity: number): IColor {\n    $a = Math.round(opacity * 0xFF);\n    [$r, $g, $b] = rgba.toChannels(color.rgba);\n    return {\n      css: channels.toCss($r, $g, $b, $a),\n      rgba: channels.toRgba($r, $g, $b, $a)\n    };\n  }\n\n  export function multiplyOpacity(color: IColor, factor: number): IColor {\n    $a = color.rgba & 0xFF;\n    return opacity(color, ($a * factor) / 0xFF);\n  }\n\n  export function toColorRGB(color: IColor): IColorRGB {\n    return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n  }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n  // Attempt to set get the shared canvas context\n  let $ctx: CanvasRenderingContext2D | undefined;\n  let $litmusColor: CanvasGradient | undefined;\n  try {\n    // This is guaranteed to run in the first window, so document should be correct\n    const canvas = document.createElement('canvas');\n    canvas.width = 1;\n    canvas.height = 1;\n    const ctx = canvas.getContext('2d', {\n      willReadFrequently: true\n    });\n    if (ctx) {\n      $ctx = ctx;\n      $ctx.globalCompositeOperation = 'copy';\n      $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n    }\n  }\n  catch {\n    // noop\n  }\n\n  /**\n   * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n   * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n   *\n   * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n   * environment.\n   */\n  export function toColor(css: string): IColor {\n    // Formats: #rgb[a] and #rrggbb[aa]\n    if (css.match(/#[\\da-f]{3,8}/i)) {\n      switch (css.length) {\n        case 4: { // #rgb\n          $r = parseInt(css.slice(1, 2).repeat(2), 16);\n          $g = parseInt(css.slice(2, 3).repeat(2), 16);\n          $b = parseInt(css.slice(3, 4).repeat(2), 16);\n          return channels.toColor($r, $g, $b);\n        }\n        case 5: { // #rgba\n          $r = parseInt(css.slice(1, 2).repeat(2), 16);\n          $g = parseInt(css.slice(2, 3).repeat(2), 16);\n          $b = parseInt(css.slice(3, 4).repeat(2), 16);\n          $a = parseInt(css.slice(4, 5).repeat(2), 16);\n          return channels.toColor($r, $g, $b, $a);\n        }\n        case 7: // #rrggbb\n          return {\n            css,\n            rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n          };\n        case 9: // #rrggbbaa\n          return {\n            css,\n            rgba: parseInt(css.slice(1), 16) >>> 0\n          };\n      }\n    }\n\n    // Formats: rgb() or rgba()\n    const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n    if (rgbaMatch) {\n      $r = parseInt(rgbaMatch[1]);\n      $g = parseInt(rgbaMatch[2]);\n      $b = parseInt(rgbaMatch[3]);\n      $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n      return channels.toColor($r, $g, $b, $a);\n    }\n\n    // Validate the context is available for canvas-based color parsing\n    if (!$ctx || !$litmusColor) {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    // Validate the color using canvas fillStyle\n    // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n    $ctx.fillStyle = $litmusColor;\n    $ctx.fillStyle = css;\n    if (typeof $ctx.fillStyle !== 'string') {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    $ctx.fillRect(0, 0, 1, 1);\n    [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n    // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n    if ($a !== 0xFF) {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n    // format\n    // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n    return {\n      rgba: channels.toRgba($r, $g, $b, $a),\n      css\n    };\n  }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n  /**\n   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n   * between two colors.\n   * @param rgb The color to use.\n   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n   */\n  export function relativeLuminance(rgb: number): number {\n    return relativeLuminance2(\n      (rgb >> 16) & 0xFF,\n      (rgb >> 8 ) & 0xFF,\n      (rgb      ) & 0xFF);\n  }\n\n  /**\n   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n   * between two colors.\n   * @param r The red channel (0x00 to 0xFF).\n   * @param g The green channel (0x00 to 0xFF).\n   * @param b The blue channel (0x00 to 0xFF).\n   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n   */\n  export function relativeLuminance2(r: number, g: number, b: number): number {\n    const rs = r / 255;\n    const gs = g / 255;\n    const bs = b / 255;\n    const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n    const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n    const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n    return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n  }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n  export function blend(bg: number, fg: number): number {\n    $a = (fg & 0xFF) / 0xFF;\n    if ($a === 1) {\n      return fg;\n    }\n    const fgR = (fg >> 24) & 0xFF;\n    const fgG = (fg >> 16) & 0xFF;\n    const fgB = (fg >> 8) & 0xFF;\n    const bgR = (bg >> 24) & 0xFF;\n    const bgG = (bg >> 16) & 0xFF;\n    const bgB = (bg >> 8) & 0xFF;\n    $r = bgR + Math.round((fgR - bgR) * $a);\n    $g = bgG + Math.round((fgG - bgG) * $a);\n    $b = bgB + Math.round((fgB - bgB) * $a);\n    return channels.toRgba($r, $g, $b);\n  }\n\n  /**\n   * Given a foreground color and a background color, either increase or reduce the luminance of the\n   * foreground color until the specified contrast ratio is met. If pure white or black is hit\n   * without the contrast ratio being met, go the other direction using the background color as the\n   * foreground color and take either the first or second result depending on which has the higher\n   * contrast ratio.\n   *\n   * `undefined` will be returned if the contrast ratio is already met.\n   *\n   * @param bgRgba The background color in rgba format.\n   * @param fgRgba The foreground color in rgba format.\n   * @param ratio The contrast ratio to achieve.\n   */\n  export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n    const bgL = rgb.relativeLuminance(bgRgba >> 8);\n    const fgL = rgb.relativeLuminance(fgRgba >> 8);\n    const cr = contrastRatio(bgL, fgL);\n    if (cr < ratio) {\n      if (fgL < bgL) {\n        const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n        const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n        if (resultARatio < ratio) {\n          const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n          const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n          return resultARatio > resultBRatio ? resultA : resultB;\n        }\n        return resultA;\n      }\n      const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n      const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n      if (resultARatio < ratio) {\n        const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n        const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n        return resultARatio > resultBRatio ? resultA : resultB;\n      }\n      return resultA;\n    }\n    return undefined;\n  }\n\n  export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n    // This is a naive but fast approach to reducing luminance as converting to\n    // HSL and back is expensive\n    const bgR = (bgRgba >> 24) & 0xFF;\n    const bgG = (bgRgba >> 16) & 0xFF;\n    const bgB = (bgRgba >>  8) & 0xFF;\n    let fgR = (fgRgba >> 24) & 0xFF;\n    let fgG = (fgRgba >> 16) & 0xFF;\n    let fgB = (fgRgba >>  8) & 0xFF;\n    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n      // Reduce by 10% until the ratio is hit\n      fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n      fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n      fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    }\n    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n  }\n\n  export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n    // This is a naive but fast approach to increasing luminance as converting to\n    // HSL and back is expensive\n    const bgR = (bgRgba >> 24) & 0xFF;\n    const bgG = (bgRgba >> 16) & 0xFF;\n    const bgB = (bgRgba >>  8) & 0xFF;\n    let fgR = (fgRgba >> 24) & 0xFF;\n    let fgG = (fgRgba >> 16) & 0xFF;\n    let fgB = (fgRgba >>  8) & 0xFF;\n    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n      // Increase by 10% until the ratio is hit\n      fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n      fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n      fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    }\n    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n  }\n\n  export function toChannels(value: number): [number, number, number, number] {\n    return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n  }\n}\n\nexport function toPaddedHex(c: number): string {\n  const s = c.toString(16);\n  return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The first relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n  if (l1 < l2) {\n    return (l2 + 0.05) / (l1 + 0.05);\n  }\n  return (l1 + 0.05) / (l2 + 0.05);\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\ninterface IListener<T, U = void> {\n  (arg1: T, arg2: U): void;\n}\n\nexport interface IEvent<T, U = void> {\n  (listener: (arg1: T, arg2: U) => any): IDisposable;\n}\n\nexport interface IEventEmitter<T, U = void> {\n  event: IEvent<T, U>;\n  fire(arg1: T, arg2: U): void;\n  dispose(): void;\n}\n\nexport class EventEmitter<T, U = void> implements IEventEmitter<T, U> {\n  private _listeners: IListener<T, U>[] = [];\n  private _event?: IEvent<T, U>;\n  private _disposed: boolean = false;\n\n  public get event(): IEvent<T, U> {\n    if (!this._event) {\n      this._event = (listener: (arg1: T, arg2: U) => any) => {\n        this._listeners.push(listener);\n        const disposable = {\n          dispose: () => {\n            if (!this._disposed) {\n              for (let i = 0; i < this._listeners.length; i++) {\n                if (this._listeners[i] === listener) {\n                  this._listeners.splice(i, 1);\n                  return;\n                }\n              }\n            }\n          }\n        };\n        return disposable;\n      };\n    }\n    return this._event;\n  }\n\n  public fire(arg1: T, arg2: U): void {\n    const queue: IListener<T, U>[] = [];\n    for (let i = 0; i < this._listeners.length; i++) {\n      queue.push(this._listeners[i]);\n    }\n    for (let i = 0; i < queue.length; i++) {\n      queue[i].call(undefined, arg1, arg2);\n    }\n  }\n\n  public dispose(): void {\n    this.clearListeners();\n    this._disposed = true;\n  }\n\n  public clearListeners(): void {\n    if (this._listeners) {\n      this._listeners.length = 0;\n    }\n  }\n}\n\nexport function forwardEvent<T>(from: IEvent<T>, to: IEventEmitter<T>): IDisposable {\n  return from(e => to.fire(e));\n}\n\nexport function runAndSubscribe<T>(event: IEvent<T>, handler: (e: T | undefined) => any): IDisposable {\n  handler(undefined);\n  return event(e => handler(e));\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n  protected _disposables: IDisposable[] = [];\n  protected _isDisposed: boolean = false;\n\n  /**\n   * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n   */\n  public dispose(): void {\n    this._isDisposed = true;\n    for (const d of this._disposables) {\n      d.dispose();\n    }\n    this._disposables.length = 0;\n  }\n\n  /**\n   * Registers a disposable object.\n   * @param d The disposable to register.\n   * @returns The disposable.\n   */\n  public register<T extends IDisposable>(d: T): T {\n    this._disposables.push(d);\n    return d;\n  }\n\n  /**\n   * Unregisters a disposable object if it has been registered, if not do\n   * nothing.\n   * @param d The disposable to unregister.\n   */\n  public unregister<T extends IDisposable>(d: T): void {\n    const index = this._disposables.indexOf(d);\n    if (index !== -1) {\n      this._disposables.splice(index, 1);\n    }\n  }\n}\n\nexport class MutableDisposable<T extends IDisposable> implements IDisposable {\n  private _value?: T;\n  private _isDisposed = false;\n\n  /**\n   * Gets the value if it exists.\n   */\n  public get value(): T | undefined {\n    return this._isDisposed ? undefined : this._value;\n  }\n\n  /**\n   * Sets the value, disposing of the old value if it exists.\n   */\n  public set value(value: T | undefined) {\n    if (this._isDisposed || value === this._value) {\n      return;\n    }\n    this._value?.dispose();\n    this._value = value;\n  }\n\n  /**\n   * Resets the stored value and disposes of the previously stored value.\n   */\n  public clear(): void {\n    this.value = undefined;\n  }\n\n  public dispose(): void {\n    this._isDisposed = true;\n    this._value?.dispose();\n    this._value = undefined;\n  }\n}\n\n/**\n * Wrap a function in a disposable.\n */\nexport function toDisposable(f: () => void): IDisposable {\n  return { dispose: f };\n}\n\n/**\n * Dispose of all disposables in an array and set its length to 0.\n */\nexport function disposeArray(disposables: IDisposable[]): void {\n  for (const d of disposables) {\n    d.dispose();\n  }\n  disposables.length = 0;\n}\n\n/**\n * Creates a disposable that will dispose of an array of disposables when disposed.\n */\nexport function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {\n  return { dispose: () => disposeArray(array) };\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport class TwoKeyMap<TFirst extends string | number, TSecond extends string | number, TValue> {\n  private _data: { [bg: string | number]: { [fg: string | number]: TValue | undefined } | undefined } = {};\n\n  public set(first: TFirst, second: TSecond, value: TValue): void {\n    if (!this._data[first]) {\n      this._data[first] = {};\n    }\n    this._data[first as string | number]![second] = value;\n  }\n\n  public get(first: TFirst, second: TSecond): TValue | undefined {\n    return this._data[first as string | number] ? this._data[first as string | number]![second] : undefined;\n  }\n\n  public clear(): void {\n    this._data = {};\n  }\n}\n\nexport class FourKeyMap<TFirst extends string | number, TSecond extends string | number, TThird extends string | number, TFourth extends string | number, TValue> {\n  private _data: TwoKeyMap<TFirst, TSecond, TwoKeyMap<TThird, TFourth, TValue>> = new TwoKeyMap();\n\n  public set(first: TFirst, second: TSecond, third: TThird, fourth: TFourth, value: TValue): void {\n    if (!this._data.get(first, second)) {\n      this._data.set(first, second, new TwoKeyMap());\n    }\n    this._data.get(first, second)!.set(third, fourth, value);\n  }\n\n  public get(first: TFirst, second: TSecond, third: TThird, fourth: TFourth): TValue | undefined {\n    return this._data.get(first, second)?.get(third, fourth);\n  }\n\n  public clear(): void {\n    this._data.clear();\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IServiceIdentifier } from 'common/services/Services';\n\nconst DI_TARGET = 'di$target';\nconst DI_DEPENDENCIES = 'di$dependencies';\n\nexport const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();\n\nexport function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {\n  return ctor[DI_DEPENDENCIES] || [];\n}\n\nexport function createDecorator<T>(id: string): IServiceIdentifier<T> {\n  if (serviceRegistry.has(id)) {\n    return serviceRegistry.get(id)!;\n  }\n\n  const decorator: any = function (target: Function, key: string, index: number): any {\n    if (arguments.length !== 3) {\n      throw new Error('@IServiceName-decorator can only be used to decorate a parameter');\n    }\n\n    storeServiceDependency(decorator, target, index);\n  };\n\n  decorator.toString = () => id;\n\n  serviceRegistry.set(id, decorator);\n  return decorator;\n}\n\nfunction storeServiceDependency(id: Function, target: Function, index: number): void {\n  if ((target as any)[DI_TARGET] === target) {\n    (target as any)[DI_DEPENDENCIES].push({ id, index });\n  } else {\n    (target as any)[DI_DEPENDENCIES] = [{ id, index }];\n    (target as any)[DI_TARGET] = target;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IEvent, IEventEmitter } from 'common/EventEmitter';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColor, CursorStyle, CursorInactiveStyle, IOscLinkData } from 'common/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\nimport { IDecorationOptions, IDecoration, ILinkHandler, IWindowsPty, ILogger } from '@xterm/xterm';\n\nexport const IBufferService = createDecorator<IBufferService>('BufferService');\nexport interface IBufferService {\n  serviceBrand: undefined;\n\n  readonly cols: number;\n  readonly rows: number;\n  readonly buffer: IBuffer;\n  readonly buffers: IBufferSet;\n  isUserScrolling: boolean;\n  onResize: IEvent<{ cols: number, rows: number }>;\n  onScroll: IEvent<number>;\n  scroll(eraseAttr: IAttributeData, isWrapped?: boolean): void;\n  scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void;\n  resize(cols: number, rows: number): void;\n  reset(): void;\n}\n\nexport const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');\nexport interface ICoreMouseService {\n  activeProtocol: string;\n  activeEncoding: string;\n  areMouseEventsActive: boolean;\n  addProtocol(name: string, protocol: ICoreMouseProtocol): void;\n  addEncoding(name: string, encoding: CoreMouseEncoding): void;\n  reset(): void;\n\n  /**\n   * Triggers a mouse event to be sent.\n   *\n   * Returns true if the event passed all protocol restrictions and a report\n   * was sent, otherwise false. The return value may be used to decide whether\n   * the default event action in the bowser component should be omitted.\n   *\n   * Note: The method will change values of the given event object\n   * to fullfill protocol and encoding restrictions.\n   */\n  triggerMouseEvent(event: ICoreMouseEvent): boolean;\n\n  /**\n   * Event to announce changes in mouse tracking.\n   */\n  onProtocolChange: IEvent<CoreMouseEventType>;\n\n  /**\n   * Human readable version of mouse events.\n   */\n  explainEvents(events: CoreMouseEventType): { [event: string]: boolean };\n}\n\nexport const ICoreService = createDecorator<ICoreService>('CoreService');\nexport interface ICoreService {\n  serviceBrand: undefined;\n\n  /**\n   * Initially the cursor will not be visible until the first time the terminal\n   * is focused.\n   */\n  isCursorInitialized: boolean;\n  isCursorHidden: boolean;\n\n  readonly modes: IModes;\n  readonly decPrivateModes: IDecPrivateModes;\n\n  readonly onData: IEvent<string>;\n  readonly onUserInput: IEvent<void>;\n  readonly onBinary: IEvent<string>;\n  readonly onRequestScrollToBottom: IEvent<void>;\n\n  reset(): void;\n\n  /**\n   * Triggers the onData event in the public API.\n   * @param data The data that is being emitted.\n   * @param wasUserInput Whether the data originated from the user (as opposed to\n   * resulting from parsing incoming data). When true this will also:\n   * - Scroll to the bottom of the buffer if option scrollOnUserInput is true.\n   * - Fire the `onUserInput` event (so selection can be cleared).\n   */\n  triggerDataEvent(data: string, wasUserInput?: boolean): void;\n\n  /**\n   * Triggers the onBinary event in the public API.\n   * @param data The data that is being emitted.\n   */\n  triggerBinaryEvent(data: string): void;\n}\n\nexport const ICharsetService = createDecorator<ICharsetService>('CharsetService');\nexport interface ICharsetService {\n  serviceBrand: undefined;\n\n  charset: ICharset | undefined;\n  readonly glevel: number;\n\n  reset(): void;\n\n  /**\n   * Set the G level of the terminal.\n   * @param g\n   */\n  setgLevel(g: number): void;\n\n  /**\n   * Set the charset for the given G level of the terminal.\n   * @param g\n   * @param charset\n   */\n  setgCharset(g: number, charset: ICharset | undefined): void;\n}\n\nexport interface IServiceIdentifier<T> {\n  (...args: any[]): void;\n  type: T;\n}\n\nexport interface IBrandedService {\n  serviceBrand: undefined;\n}\n\ntype GetLeadingNonServiceArgs<TArgs extends any[]> = TArgs extends [] ? []\n  : TArgs extends [...infer TFirst, infer TLast] ? TLast extends IBrandedService ? GetLeadingNonServiceArgs<TFirst> : TArgs\n    : never;\n\nexport const IInstantiationService = createDecorator<IInstantiationService>('InstantiationService');\nexport interface IInstantiationService {\n  serviceBrand: undefined;\n\n  setService<T>(id: IServiceIdentifier<T>, instance: T): void;\n  getService<T>(id: IServiceIdentifier<T>): T | undefined;\n  createInstance<Ctor extends new (...args: any[]) => any, R extends InstanceType<Ctor>>(t: Ctor, ...args: GetLeadingNonServiceArgs<ConstructorParameters<Ctor>>): R;\n}\n\nexport enum LogLevelEnum {\n  TRACE = 0,\n  DEBUG = 1,\n  INFO = 2,\n  WARN = 3,\n  ERROR = 4,\n  OFF = 5\n}\n\nexport const ILogService = createDecorator<ILogService>('LogService');\nexport interface ILogService {\n  serviceBrand: undefined;\n\n  readonly logLevel: LogLevelEnum;\n\n  trace(message: any, ...optionalParams: any[]): void;\n  debug(message: any, ...optionalParams: any[]): void;\n  info(message: any, ...optionalParams: any[]): void;\n  warn(message: any, ...optionalParams: any[]): void;\n  error(message: any, ...optionalParams: any[]): void;\n}\n\nexport const IOptionsService = createDecorator<IOptionsService>('OptionsService');\nexport interface IOptionsService {\n  serviceBrand: undefined;\n\n  /**\n   * Read only access to the raw options object, this is an internal-only fast path for accessing\n   * single options without any validation as we trust TypeScript to enforce correct usage\n   * internally.\n   */\n  readonly rawOptions: Required<ITerminalOptions>;\n\n  /**\n   * Options as exposed through the public API, this property uses getters and setters with\n   * validation which makes it safer but slower. {@link rawOptions} should be used for pretty much\n   * all internal usage for performance reasons.\n   */\n  readonly options: Required<ITerminalOptions>;\n\n  /**\n   * Adds an event listener for when any option changes.\n   */\n  readonly onOptionChange: IEvent<keyof ITerminalOptions>;\n\n  /**\n   * Adds an event listener for when a specific option changes, this is a convenience method that is\n   * preferred over {@link onOptionChange} when only a single option is being listened to.\n   */\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (arg1: Required<ITerminalOptions>[T]) => any): IDisposable;\n\n  /**\n   * Adds an event listener for when a set of specific options change, this is a convenience method\n   * that is preferred over {@link onOptionChange} when multiple options are being listened to and\n   * handled the same way.\n   */\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable;\n}\n\nexport type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;\nexport type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';\n\nexport interface ITerminalOptions {\n  allowProposedApi?: boolean;\n  allowTransparency?: boolean;\n  altClickMovesCursor?: boolean;\n  cols?: number;\n  convertEol?: boolean;\n  cursorBlink?: boolean;\n  cursorStyle?: CursorStyle;\n  cursorWidth?: number;\n  cursorInactiveStyle?: CursorInactiveStyle;\n  customGlyphs?: boolean;\n  disableStdin?: boolean;\n  documentOverride?: any | null;\n  drawBoldTextInBrightColors?: boolean;\n  fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';\n  fastScrollSensitivity?: number;\n  fontSize?: number;\n  fontFamily?: string;\n  fontWeight?: FontWeight;\n  fontWeightBold?: FontWeight;\n  ignoreBracketedPasteMode?: boolean;\n  letterSpacing?: number;\n  lineHeight?: number;\n  linkHandler?: ILinkHandler | null;\n  logLevel?: LogLevel;\n  logger?: ILogger | null;\n  macOptionIsMeta?: boolean;\n  macOptionClickForcesSelection?: boolean;\n  minimumContrastRatio?: number;\n  rescaleOverlappingGlyphs?: boolean;\n  rightClickSelectsWord?: boolean;\n  rows?: number;\n  screenReaderMode?: boolean;\n  scrollback?: number;\n  scrollOnUserInput?: boolean;\n  scrollSensitivity?: number;\n  smoothScrollDuration?: number;\n  tabStopWidth?: number;\n  theme?: ITheme;\n  windowsMode?: boolean;\n  windowsPty?: IWindowsPty;\n  windowOptions?: IWindowOptions;\n  wordSeparator?: string;\n  overviewRulerWidth?: number;\n\n  [key: string]: any;\n  cancelEvents: boolean;\n  termName: string;\n}\n\nexport interface ITheme {\n  foreground?: string;\n  background?: string;\n  cursor?: string;\n  cursorAccent?: string;\n  selectionForeground?: string;\n  selectionBackground?: string;\n  selectionInactiveBackground?: string;\n  black?: string;\n  red?: string;\n  green?: string;\n  yellow?: string;\n  blue?: string;\n  magenta?: string;\n  cyan?: string;\n  white?: string;\n  brightBlack?: string;\n  brightRed?: string;\n  brightGreen?: string;\n  brightYellow?: string;\n  brightBlue?: string;\n  brightMagenta?: string;\n  brightCyan?: string;\n  brightWhite?: string;\n  extendedAnsi?: string[];\n}\n\nexport const IOscLinkService = createDecorator<IOscLinkService>('OscLinkService');\nexport interface IOscLinkService {\n  serviceBrand: undefined;\n  /**\n   * Registers a link to the service, returning the link ID. The link data is managed by this\n   * service and will be freed when this current cursor position is trimmed off the buffer.\n   */\n  registerLink(linkData: IOscLinkData): number;\n  /**\n   * Adds a line to a link if needed.\n   */\n  addLineToLink(linkId: number, y: number): void;\n  /** Get the link data associated with a link ID. */\n  getLinkData(linkId: number): IOscLinkData | undefined;\n}\n\n/*\n * Width and Grapheme_Cluster_Break properties of a character as a bit mask.\n *\n * bit 0: shouldJoin - should combine with preceding character.\n * bit 1..2: wcwidth - see UnicodeCharWidth.\n * bit 3..31: class of character (currently only 4 bits are used).\n *   This is used to determined grapheme clustering - i.e. which codepoints\n *   are to be combined into a single compound character.\n *\n * Use the UnicodeService static function createPropertyValue to create a\n * UnicodeCharProperties; use extractShouldJoin, extractWidth, and\n * extractCharKind to extract the components.\n */\nexport type UnicodeCharProperties = number;\n\n/**\n * Width in columns of a character.\n * In a CJK context, \"half-width\" characters (such as Latin) are width 1,\n * while \"full-width\" characters (such as Kanji) are 2 columns wide.\n * Combining characters (such as accents) are width 0.\n */\nexport type UnicodeCharWidth = 0 | 1 | 2;\n\nexport const IUnicodeService = createDecorator<IUnicodeService>('UnicodeService');\nexport interface IUnicodeService {\n  serviceBrand: undefined;\n  /** Register an Unicode version provider. */\n  register(provider: IUnicodeVersionProvider): void;\n  /** Registered Unicode versions. */\n  readonly versions: string[];\n  /** Currently active version. */\n  activeVersion: string;\n  /** Event triggered, when activate version changed. */\n  readonly onChange: IEvent<string>;\n\n  /**\n   * Unicode version dependent\n   */\n  wcwidth(codepoint: number): UnicodeCharWidth;\n  getStringCellWidth(s: string): number;\n  /**\n   * Return character width and type for grapheme clustering.\n   * If preceding != 0, it is the return code from the previous character;\n   * in that case the result specifies if the characters should be joined.\n   */\n  charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties;\n}\n\nexport interface IUnicodeVersionProvider {\n  readonly version: string;\n  wcwidth(ucs: number): UnicodeCharWidth;\n  charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties;\n}\n\nexport const IDecorationService = createDecorator<IDecorationService>('DecorationService');\nexport interface IDecorationService extends IDisposable {\n  serviceBrand: undefined;\n  readonly decorations: IterableIterator<IInternalDecoration>;\n  readonly onDecorationRegistered: IEvent<IInternalDecoration>;\n  readonly onDecorationRemoved: IEvent<IInternalDecoration>;\n  registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;\n  reset(): void;\n  /**\n   * Trigger a callback over the decoration at a cell (in no particular order). This uses a callback\n   * instead of an iterator as it's typically used in hot code paths.\n   */\n  forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void;\n}\nexport interface IInternalDecoration extends IDecoration {\n  readonly options: IDecorationOptions;\n  readonly backgroundColorRGB: IColor | undefined;\n  readonly foregroundColorRGB: IColor | undefined;\n  readonly onRenderEmitter: IEventEmitter<HTMLElement>;\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * (EXPERIMENTAL) This Addon is still under development\n */\n\nimport type { IBuffer, IBufferCell, IBufferRange, ITerminalAddon, Terminal } from '@xterm/xterm';\nimport type { IHTMLSerializeOptions, SerializeAddon as ISerializeApi, ISerializeOptions, ISerializeRange } from '@xterm/addon-serialize';\nimport { DEFAULT_ANSI_COLORS } from 'browser/services/ThemeService';\nimport { IAttributeData, IColor } from 'common/Types';\n\nfunction constrain(value: number, low: number, high: number): number {\n  return Math.max(low, Math.min(value, high));\n}\n\n// TODO: Refine this template class later\nabstract class BaseSerializeHandler {\n  constructor(\n    protected readonly _buffer: IBuffer\n  ) {\n  }\n\n  public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {\n    // we need two of them to flip between old and new cell\n    const cell1 = this._buffer.getNullCell();\n    const cell2 = this._buffer.getNullCell();\n    let oldCell = cell1;\n\n    const startRow = range.start.y;\n    const endRow = range.end.y;\n    const startColumn = range.start.x;\n    const endColumn = range.end.x;\n\n    this._beforeSerialize(endRow - startRow, startRow, endRow);\n\n    for (let row = startRow; row <= endRow; row++) {\n      const line = this._buffer.getLine(row);\n      if (line) {\n        const startLineColumn = row === range.start.y ? startColumn : 0;\n        const endLineColumn = row === range.end.y ? endColumn: line.length;\n        for (let col = startLineColumn; col < endLineColumn; col++) {\n          const c = line.getCell(col, oldCell === cell1 ? cell2 : cell1);\n          if (!c) {\n            console.warn(`Can't get cell at row=${row}, col=${col}`);\n            continue;\n          }\n          this._nextCell(c, oldCell, row, col);\n          oldCell = c;\n        }\n      }\n      this._rowEnd(row, row === endRow);\n    }\n\n    this._afterSerialize();\n\n    return this._serializeString(excludeFinalCursorPosition);\n  }\n\n  protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { }\n  protected _rowEnd(row: number, isLastRow: boolean): void { }\n  protected _beforeSerialize(rows: number, startRow: number, endRow: number): void { }\n  protected _afterSerialize(): void { }\n  protected _serializeString(excludeFinalCursorPosition?: boolean): string { return ''; }\n}\n\nfunction equalFg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n  return cell1.getFgColorMode() === cell2.getFgColorMode()\n    && cell1.getFgColor() === cell2.getFgColor();\n}\n\nfunction equalBg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n  return cell1.getBgColorMode() === cell2.getBgColorMode()\n    && cell1.getBgColor() === cell2.getBgColor();\n}\n\nfunction equalFlags(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n  return cell1.isInverse() === cell2.isInverse()\n    && cell1.isBold() === cell2.isBold()\n    && cell1.isUnderline() === cell2.isUnderline()\n    && cell1.isOverline() === cell2.isOverline()\n    && cell1.isBlink() === cell2.isBlink()\n    && cell1.isInvisible() === cell2.isInvisible()\n    && cell1.isItalic() === cell2.isItalic()\n    && cell1.isDim() === cell2.isDim()\n    && cell1.isStrikethrough() === cell2.isStrikethrough();\n}\n\nclass StringSerializeHandler extends BaseSerializeHandler {\n  private _rowIndex: number = 0;\n  private _allRows: string[] = new Array<string>();\n  private _allRowSeparators: string[] = new Array<string>();\n  private _currentRow: string = '';\n  private _nullCellCount: number = 0;\n\n  // we can see a full colored cell and a null cell that only have background the same style\n  // but the information isn't preserved by null cell itself\n  // so wee need to record it when required.\n  private _cursorStyle: IBufferCell = this._buffer.getNullCell();\n\n  // where exact the cursor styles comes from\n  // because we can't copy the cell directly\n  // so we remember where the content comes from instead\n  private _cursorStyleRow: number = 0;\n  private _cursorStyleCol: number = 0;\n\n  // this is a null cell for reference for checking whether background is empty or not\n  private _backgroundCell: IBufferCell = this._buffer.getNullCell();\n\n  private _firstRow: number = 0;\n  private _lastCursorRow: number = 0;\n  private _lastCursorCol: number = 0;\n  private _lastContentCursorRow: number = 0;\n  private _lastContentCursorCol: number = 0;\n\n  constructor(\n    buffer: IBuffer,\n    private readonly _terminal: Terminal\n  ) {\n    super(buffer);\n  }\n\n  protected _beforeSerialize(rows: number, start: number, end: number): void {\n    this._allRows = new Array<string>(rows);\n    this._lastContentCursorRow = start;\n    this._lastCursorRow = start;\n    this._firstRow = start;\n  }\n\n  private _thisRowLastChar: IBufferCell = this._buffer.getNullCell();\n  private _thisRowLastSecondChar: IBufferCell = this._buffer.getNullCell();\n  private _nextRowFirstChar: IBufferCell = this._buffer.getNullCell();\n  protected _rowEnd(row: number, isLastRow: boolean): void {\n    // if there is colorful empty cell at line end, whe must pad it back, or the the color block\n    // will missing\n    if (this._nullCellCount > 0 && !equalBg(this._cursorStyle, this._backgroundCell)) {\n      // use clear right to set background.\n      this._currentRow += `\\u001b[${this._nullCellCount}X`;\n    }\n\n    let rowSeparator = '';\n\n    // handle row separator\n    if (!isLastRow) {\n      // Enable BCE\n      if (row - this._firstRow >= this._terminal.rows) {\n        this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol, this._backgroundCell);\n      }\n\n      // Fetch current line\n      const currentLine = this._buffer.getLine(row)!;\n      // Fetch next line\n      const nextLine = this._buffer.getLine(row + 1)!;\n\n      if (!nextLine.isWrapped) {\n        // just insert the line break\n        rowSeparator = '\\r\\n';\n        // we sended the enter\n        this._lastCursorRow = row + 1;\n        this._lastCursorCol = 0;\n      } else {\n        rowSeparator = '';\n        const thisRowLastChar = currentLine.getCell(currentLine.length - 1, this._thisRowLastChar)!;\n        const thisRowLastSecondChar = currentLine.getCell(currentLine.length - 2, this._thisRowLastSecondChar)!;\n        const nextRowFirstChar = nextLine.getCell(0, this._nextRowFirstChar)!;\n        const isNextRowFirstCharDoubleWidth = nextRowFirstChar.getWidth() > 1;\n\n        // validate whether this line wrap is ever possible\n        // which mean whether cursor can placed at a overflow position (x === row) naturally\n        let isValid = false;\n\n        if (\n          // you must output character to cause overflow, control sequence can't do this\n          nextRowFirstChar.getChars() &&\n            isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0\n        ) {\n          if (\n            // the last character can't be null,\n            // you can't use control sequence to move cursor to (x === row)\n            (thisRowLastChar.getChars() || thisRowLastChar.getWidth() === 0) &&\n            // change background of the first wrapped cell also affects BCE\n            // so we mark it as invalid to simply the process to determine line separator\n            equalBg(thisRowLastChar, nextRowFirstChar)\n          ) {\n            isValid = true;\n          }\n\n          if (\n            // the second to last character can't be null if the next line starts with CJK,\n            // you can't use control sequence to move cursor to (x === row)\n            isNextRowFirstCharDoubleWidth &&\n            (thisRowLastSecondChar.getChars() || thisRowLastSecondChar.getWidth() === 0) &&\n            // change background of the first wrapped cell also affects BCE\n            // so we mark it as invalid to simply the process to determine line separator\n            equalBg(thisRowLastChar, nextRowFirstChar) &&\n            equalBg(thisRowLastSecondChar, nextRowFirstChar)\n          ) {\n            isValid = true;\n          }\n        }\n\n        if (!isValid) {\n          // force the wrap with magic\n          // insert enough character to force the wrap\n          rowSeparator = '-'.repeat(this._nullCellCount + 1);\n          // move back and erase next line head\n          rowSeparator += '\\u001b[1D\\u001b[1X';\n\n          if (this._nullCellCount > 0) {\n            // do these because we filled the last several null slot, which we shouldn't\n            rowSeparator += '\\u001b[A';\n            rowSeparator += `\\u001b[${currentLine.length - this._nullCellCount}C`;\n            rowSeparator += `\\u001b[${this._nullCellCount}X`;\n            rowSeparator += `\\u001b[${currentLine.length - this._nullCellCount}D`;\n            rowSeparator += '\\u001b[B';\n          }\n\n          // This is content and need the be serialized even it is invisible.\n          // without this, wrap will be missing from outputs.\n          this._lastContentCursorRow = row + 1;\n          this._lastContentCursorCol = 0;\n\n          // force commit the cursor position\n          this._lastCursorRow = row + 1;\n          this._lastCursorCol = 0;\n        }\n      }\n    }\n\n    this._allRows[this._rowIndex] = this._currentRow;\n    this._allRowSeparators[this._rowIndex++] = rowSeparator;\n    this._currentRow = '';\n    this._nullCellCount = 0;\n  }\n\n  private _diffStyle(cell: IBufferCell | IAttributeData, oldCell: IBufferCell): number[] {\n    const sgrSeq: number[] = [];\n    const fgChanged = !equalFg(cell, oldCell);\n    const bgChanged = !equalBg(cell, oldCell);\n    const flagsChanged = !equalFlags(cell, oldCell);\n\n    if (fgChanged || bgChanged || flagsChanged) {\n      if (cell.isAttributeDefault()) {\n        if (!oldCell.isAttributeDefault()) {\n          sgrSeq.push(0);\n        }\n      } else {\n        if (fgChanged) {\n          const color = cell.getFgColor();\n          if (cell.isFgRGB()) { sgrSeq.push(38, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n          else if (cell.isFgPalette()) {\n            if (color >= 16) { sgrSeq.push(38, 5, color); }\n            else { sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7)); }\n          }\n          else { sgrSeq.push(39); }\n        }\n        if (bgChanged) {\n          const color = cell.getBgColor();\n          if (cell.isBgRGB()) { sgrSeq.push(48, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n          else if (cell.isBgPalette()) {\n            if (color >= 16) { sgrSeq.push(48, 5, color); }\n            else { sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7)); }\n          }\n          else { sgrSeq.push(49); }\n        }\n        if (flagsChanged) {\n          if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); }\n          if (cell.isBold() !== oldCell.isBold()) { sgrSeq.push(cell.isBold() ? 1 : 22); }\n          if (cell.isUnderline() !== oldCell.isUnderline()) { sgrSeq.push(cell.isUnderline() ? 4 : 24); }\n          if (cell.isOverline() !== oldCell.isOverline()) { sgrSeq.push(cell.isOverline() ? 53 : 55); }\n          if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); }\n          if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); }\n          if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); }\n          if (cell.isDim() !== oldCell.isDim()) { sgrSeq.push(cell.isDim() ? 2 : 22); }\n          if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); }\n        }\n      }\n    }\n\n    return sgrSeq;\n  }\n\n  protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n    // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n    const isPlaceHolderCell = cell.getWidth() === 0;\n\n    if (isPlaceHolderCell) {\n      return;\n    }\n\n    // this cell don't have content\n    const isEmptyCell = cell.getChars() === '';\n\n    const sgrSeq = this._diffStyle(cell, this._cursorStyle);\n\n    // the empty cell style is only assumed to be changed when background changed, because\n    // foreground is always 0.\n    const styleChanged = isEmptyCell ? !equalBg(this._cursorStyle, cell) : sgrSeq.length > 0;\n\n    /**\n     *  handles style change\n     */\n    if (styleChanged) {\n      // before update the style, we need to fill empty cell back\n      if (this._nullCellCount > 0) {\n        // use clear right to set background.\n        if (!equalBg(this._cursorStyle, this._backgroundCell)) {\n          this._currentRow += `\\u001b[${this._nullCellCount}X`;\n        }\n        // use move right to move cursor.\n        this._currentRow += `\\u001b[${this._nullCellCount}C`;\n        this._nullCellCount = 0;\n      }\n\n      this._lastContentCursorRow = this._lastCursorRow = row;\n      this._lastContentCursorCol = this._lastCursorCol = col;\n\n      this._currentRow += `\\u001b[${sgrSeq.join(';')}m`;\n\n      // update the last cursor style\n      const line = this._buffer.getLine(row);\n      if (line !== undefined) {\n        line.getCell(col, this._cursorStyle);\n        this._cursorStyleRow = row;\n        this._cursorStyleCol = col;\n      }\n    }\n\n    /**\n     *  handles actual content\n     */\n    if (isEmptyCell) {\n      this._nullCellCount += cell.getWidth();\n    } else {\n      if (this._nullCellCount > 0) {\n        // we can just assume we have same style with previous one here\n        // because style change is handled by previous stage\n        // use move right when background is empty, use clear right when there is background.\n        if (equalBg(this._cursorStyle, this._backgroundCell)) {\n          this._currentRow += `\\u001b[${this._nullCellCount}C`;\n        } else {\n          this._currentRow += `\\u001b[${this._nullCellCount}X`;\n          this._currentRow += `\\u001b[${this._nullCellCount}C`;\n        }\n        this._nullCellCount = 0;\n      }\n\n      this._currentRow += cell.getChars();\n\n      // update cursor\n      this._lastContentCursorRow = this._lastCursorRow = row;\n      this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth();\n    }\n  }\n\n  protected _serializeString(excludeFinalCursorPosition: boolean): string {\n    let rowEnd = this._allRows.length;\n\n    // the fixup is only required for data without scrollback\n    // because it will always be placed at last line otherwise\n    if (this._buffer.length - this._firstRow <= this._terminal.rows) {\n      rowEnd = this._lastContentCursorRow + 1 - this._firstRow;\n      this._lastCursorCol = this._lastContentCursorCol;\n      this._lastCursorRow = this._lastContentCursorRow;\n    }\n\n    let content = '';\n\n    for (let i = 0; i < rowEnd; i++) {\n      content += this._allRows[i];\n      if (i + 1 < rowEnd) {\n        content += this._allRowSeparators[i];\n      }\n    }\n\n    // restore the cursor\n    if (!excludeFinalCursorPosition) {\n      const realCursorRow = this._buffer.baseY + this._buffer.cursorY;\n      const realCursorCol = this._buffer.cursorX;\n\n      const cursorMoved = (realCursorRow !== this._lastCursorRow || realCursorCol !== this._lastCursorCol);\n\n      const moveRight = (offset: number): void => {\n        if (offset > 0) {\n          content += `\\u001b[${offset}C`;\n        } else if (offset < 0) {\n          content += `\\u001b[${-offset}D`;\n        }\n      };\n      const moveDown = (offset: number): void => {\n        if (offset > 0) {\n          content += `\\u001b[${offset}B`;\n        } else if (offset < 0) {\n          content += `\\u001b[${-offset}A`;\n        }\n      };\n\n      if (cursorMoved) {\n        moveDown(realCursorRow - this._lastCursorRow);\n        moveRight(realCursorCol - this._lastCursorCol);\n      }\n    }\n\n    // Restore the cursor's current style, see https://github.com/xtermjs/xterm.js/issues/3677\n    // HACK: Internal API access since it's awkward to expose this in the API and serialize will\n    // likely be the only consumer\n    const curAttrData: IAttributeData = (this._terminal as any)._core._inputHandler._curAttrData;\n    const sgrSeq = this._diffStyle(curAttrData, this._cursorStyle);\n    if (sgrSeq.length > 0) {\n      content += `\\u001b[${sgrSeq.join(';')}m`;\n    }\n\n    return content;\n  }\n}\n\nexport class SerializeAddon implements ITerminalAddon , ISerializeApi {\n  private _terminal: Terminal | undefined;\n\n  public activate(terminal: Terminal): void {\n    this._terminal = terminal;\n  }\n\n  private _serializeBufferByScrollback(terminal: Terminal, buffer: IBuffer, scrollback?: number): string {\n    const maxRows = buffer.length;\n    const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n    return this._serializeBufferByRange(terminal, buffer, {\n      start: maxRows - correctRows,\n      end: maxRows - 1\n    }, false);\n  }\n\n  private _serializeBufferByRange(terminal: Terminal, buffer: IBuffer, range: ISerializeRange, excludeFinalCursorPosition: boolean): string {\n    const handler = new StringSerializeHandler(buffer, terminal);\n    return handler.serialize({\n      start: { x: 0,             y: typeof range.start === 'number' ? range.start : range.start.line },\n      end:   { x: terminal.cols, y: typeof range.end   === 'number' ? range.end   : range.end.line   }\n    }, excludeFinalCursorPosition);\n  }\n\n  private _serializeBufferAsHTML(terminal: Terminal, options: Partial<IHTMLSerializeOptions>): string {\n    const buffer = terminal.buffer.active;\n    const handler = new HTMLSerializeHandler(buffer, terminal, options);\n    const onlySelection = options.onlySelection ?? false;\n    if (!onlySelection) {\n      const maxRows = buffer.length;\n      const scrollback = options.scrollback;\n      const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n      return handler.serialize({\n        start: { x: 0,             y: maxRows - correctRows },\n        end:   { x: terminal.cols, y: maxRows - 1           }\n      });\n    }\n\n    const selection = this._terminal?.getSelectionPosition();\n    if (selection !== undefined) {\n      return handler.serialize({\n        start: { x: selection.start.x, y: selection.start.y },\n        end:   { x: selection.end.x,   y: selection.end.y   }\n      });\n    }\n\n    return '';\n  }\n\n  private _serializeModes(terminal: Terminal): string {\n    let content = '';\n    const modes = terminal.modes;\n\n    // Default: false\n    if (modes.applicationCursorKeysMode) content += '\\x1b[?1h';\n    if (modes.applicationKeypadMode) content += '\\x1b[?66h';\n    if (modes.bracketedPasteMode) content += '\\x1b[?2004h';\n    if (modes.insertMode) content += '\\x1b[4h';\n    if (modes.originMode) content += '\\x1b[?6h';\n    if (modes.reverseWraparoundMode) content += '\\x1b[?45h';\n    if (modes.sendFocusMode) content += '\\x1b[?1004h';\n\n    // Default: true\n    if (modes.wraparoundMode === false) content += '\\x1b[?7l';\n\n    // Default: 'none'\n    if (modes.mouseTrackingMode !== 'none') {\n      switch (modes.mouseTrackingMode) {\n        case 'x10': content += '\\x1b[?9h'; break;\n        case 'vt200': content += '\\x1b[?1000h'; break;\n        case 'drag': content += '\\x1b[?1002h'; break;\n        case 'any': content += '\\x1b[?1003h'; break;\n      }\n    }\n\n    return content;\n  }\n\n  public serialize(options?: ISerializeOptions): string {\n    // TODO: Add combinedData support\n    if (!this._terminal) {\n      throw new Error('Cannot use addon until it has been loaded');\n    }\n\n    // Normal buffer\n    let content = options?.range\n      ? this._serializeBufferByRange(this._terminal, this._terminal.buffer.normal, options.range, true)\n      : this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.normal, options?.scrollback);\n\n    // Alternate buffer\n    if (!options?.excludeAltBuffer) {\n      if (this._terminal.buffer.active.type === 'alternate') {\n        const alternativeScreenContent = this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.alternate, undefined);\n        content += `\\u001b[?1049h\\u001b[H${alternativeScreenContent}`;\n      }\n    }\n\n    // Modes\n    if (!options?.excludeModes) {\n      content += this._serializeModes(this._terminal);\n    }\n\n    return content;\n  }\n\n  public serializeAsHTML(options?: Partial<IHTMLSerializeOptions>): string {\n    if (!this._terminal) {\n      throw new Error('Cannot use addon until it has been loaded');\n    }\n\n    return this._serializeBufferAsHTML(this._terminal, options || {});\n  }\n\n  public dispose(): void { }\n}\n\nexport class HTMLSerializeHandler extends BaseSerializeHandler {\n  private _currentRow: string = '';\n\n  private _htmlContent = '';\n\n  private _ansiColors: Readonly<IColor[]>;\n\n  constructor(\n    buffer: IBuffer,\n    private readonly _terminal: Terminal,\n    private readonly _options: Partial<IHTMLSerializeOptions>\n  ) {\n    super(buffer);\n\n    // For xterm headless: fallback to ansi colors\n    if ((_terminal as any)._core._themeService) {\n      this._ansiColors = (_terminal as any)._core._themeService.colors.ansi;\n    }\n    else {\n      this._ansiColors = DEFAULT_ANSI_COLORS;\n    }\n  }\n\n  private _padStart(target: string, targetLength: number, padString: string): string {\n    targetLength = targetLength >> 0;\n    padString = padString ?? ' ';\n    if (target.length > targetLength) {\n      return target;\n    }\n\n    targetLength -= target.length;\n    if (targetLength > padString.length) {\n      padString += padString.repeat(targetLength / padString.length);\n    }\n    return padString.slice(0, targetLength) + target;\n  }\n\n  protected _beforeSerialize(rows: number, start: number, end: number): void {\n    this._htmlContent += '<html><body><!--StartFragment--><pre>';\n\n    let foreground = '#000000';\n    let background = '#ffffff';\n    if (this._options.includeGlobalBackground ?? false) {\n      foreground = this._terminal.options.theme?.foreground ?? '#ffffff';\n      background = this._terminal.options.theme?.background ?? '#000000';\n    }\n\n    const globalStyleDefinitions = [];\n    globalStyleDefinitions.push('color: ' + foreground + ';');\n    globalStyleDefinitions.push('background-color: ' + background + ';');\n    globalStyleDefinitions.push('font-family: ' + this._terminal.options.fontFamily + ';');\n    globalStyleDefinitions.push('font-size: ' + this._terminal.options.fontSize + 'px;');\n    this._htmlContent += '<div style=\\'' + globalStyleDefinitions.join(' ') + '\\'>';\n  }\n\n  protected _afterSerialize(): void {\n    this._htmlContent += '</div>';\n    this._htmlContent += '</pre><!--EndFragment--></body></html>';\n  }\n\n  protected _rowEnd(row: number, isLastRow: boolean): void {\n    this._htmlContent += '<div><span>' + this._currentRow + '</span></div>';\n    this._currentRow = '';\n  }\n\n  private _getHexColor(cell: IBufferCell, isFg: boolean): string | undefined {\n    const color = isFg ? cell.getFgColor() : cell.getBgColor();\n    if (isFg ? cell.isFgRGB() : cell.isBgRGB()) {\n      const rgb = [\n        (color >> 16) & 255,\n        (color >>  8) & 255,\n        (color      ) & 255\n      ];\n      return '#' + rgb.map(x => this._padStart(x.toString(16), 2, '0')).join('');\n    }\n    if (isFg ? cell.isFgPalette() : cell.isBgPalette()) {\n      return this._ansiColors[color].css;\n    }\n    return undefined;\n  }\n\n  private _diffStyle(cell: IBufferCell, oldCell: IBufferCell): string[] | undefined {\n    const content: string[] = [];\n\n    const fgChanged = !equalFg(cell, oldCell);\n    const bgChanged = !equalBg(cell, oldCell);\n    const flagsChanged = !equalFlags(cell, oldCell);\n\n    if (fgChanged || bgChanged || flagsChanged) {\n      const fgHexColor = this._getHexColor(cell, true);\n      if (fgHexColor) {\n        content.push('color: ' + fgHexColor + ';');\n      }\n\n      const bgHexColor = this._getHexColor(cell, false);\n      if (bgHexColor) {\n        content.push('background-color: ' + bgHexColor + ';');\n      }\n\n      if (cell.isInverse()) { content.push('color: #000000; background-color: #BFBFBF;'); }\n      if (cell.isBold()) { content.push('font-weight: bold;'); }\n      if (cell.isUnderline() && cell.isOverline()) { content.push('text-decoration: overline underline;'); }\n      else if (cell.isUnderline()) { content.push('text-decoration: underline;'); }\n      else if (cell.isOverline()) { content.push('text-decoration: overline;'); }\n      if (cell.isBlink()) { content.push('text-decoration: blink;'); }\n      if (cell.isInvisible()) { content.push('visibility: hidden;'); }\n      if (cell.isItalic()) { content.push('font-style: italic;'); }\n      if (cell.isDim()) { content.push('opacity: 0.5;'); }\n      if (cell.isStrikethrough()) { content.push('text-decoration: line-through;'); }\n\n      return content;\n    }\n\n    return undefined;\n  }\n\n  protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n    // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n    const isPlaceHolderCell = cell.getWidth() === 0;\n    if (isPlaceHolderCell) {\n      return;\n    }\n\n    // this cell don't have content\n    const isEmptyCell = cell.getChars() === '';\n\n    const styleDefinitions = this._diffStyle(cell, oldCell);\n\n    // handles style change\n    if (styleDefinitions) {\n      this._currentRow += styleDefinitions.length === 0 ?\n        '</span><span>' :\n        '</span><span style=\\'' + styleDefinitions.join(' ') + '\\'>';\n    }\n\n    // handles actual content\n    if (isEmptyCell) {\n      this._currentRow += ' ';\n    } else {\n      this._currentRow += cell.getChars();\n    }\n  }\n\n  protected _serializeString(): string {\n    return this._htmlContent;\n  }\n}\n"],"names":["root","factory","exports","module","define","amd","this","_color","TwoKeyMap","_css","setCss","bg","fg","value","set","getCss","get","setColor","getColor","clear","DEFAULT_FOREGROUND","css","toColor","DEFAULT_BACKGROUND","DEFAULT_CURSOR","DEFAULT_CURSOR_ACCENT","DEFAULT_SELECTION","rgba","DEFAULT_ANSI_COLORS","Object","freeze","colors","v","i","r","g","b","push","channels","toCss","toRgba","c","ThemeService","Disposable","_colors","constructor","super","_optionsService","_contrastCache","ColorContrastCache","_halfContrastCache","_onChangeColors","register","EventEmitter","onChangeColors","event","foreground","background","cursor","cursorAccent","selectionForeground","undefined","selectionBackgroundTransparent","selectionBackgroundOpaque","color","blend","selectionInactiveBackgroundTransparent","selectionInactiveBackgroundOpaque","ansi","slice","contrastCache","halfContrastCache","_updateRestoreColors","_setTheme","rawOptions","theme","onSpecificOptionChange","parseColor","selectionBackground","selectionInactiveBackground","NULL_COLOR","isOpaque","opacity","black","red","green","yellow","blue","magenta","cyan","white","brightBlack","brightRed","brightGreen","brightYellow","brightBlue","brightMagenta","brightCyan","brightWhite","extendedAnsi","colorCount","Math","min","length","fire","restoreColor","slot","_restoreColor","_restoreColors","modifyColors","callback","cssString","fallback","IOptionsService","$r","$g","$b","$a","rgb","toPaddedHex","s","toString","contrastRatio","l1","l2","a","round","toChannels","fgR","fgG","fgB","bgR","bgG","bgB","ensureContrastRatio","ratio","result","opaque","rgbaColor","multiplyOpacity","factor","toColorRGB","$ctx","$litmusColor","canvas","document","createElement","width","height","ctx","getContext","willReadFrequently","globalCompositeOperation","createLinearGradient","match","parseInt","repeat","rgbaMatch","parseFloat","Error","fillStyle","fillRect","getImageData","data","relativeLuminance2","rs","gs","bs","pow","relativeLuminance","reduceLuminance","bgRgba","fgRgba","cr","max","ceil","increaseLuminance","bgL","fgL","resultA","resultARatio","resultB","_listeners","_disposed","_event","listener","dispose","splice","arg1","arg2","queue","call","clearListeners","from","to","e","handler","disposeArray","disposables","d","_disposables","_isDisposed","unregister","index","indexOf","_value","f","array","_data","first","second","third","fourth","DI_TARGET","DI_DEPENDENCIES","serviceRegistry","Map","ctor","id","has","decorator","target","key","arguments","storeServiceDependency","LogLevelEnum","IBufferService","createDecorator","ICoreMouseService","ICoreService","ICharsetService","IInstantiationService","ILogService","IOscLinkService","IUnicodeService","IDecorationService","__webpack_module_cache__","__webpack_require__","moduleId","cachedModule","__webpack_modules__","constrain","low","high","BaseSerializeHandler","_buffer","serialize","range","excludeFinalCursorPosition","cell1","getNullCell","cell2","oldCell","startRow","start","y","endRow","end","startColumn","x","endColumn","_beforeSerialize","row","line","getLine","startLineColumn","endLineColumn","col","getCell","_nextCell","console","warn","_rowEnd","_afterSerialize","_serializeString","cell","isLastRow","rows","equalFg","getFgColorMode","getFgColor","equalBg","getBgColorMode","getBgColor","equalFlags","isInverse","isBold","isUnderline","isOverline","isBlink","isInvisible","isItalic","isDim","isStrikethrough","StringSerializeHandler","buffer","_terminal","_rowIndex","_allRows","Array","_allRowSeparators","_currentRow","_nullCellCount","_cursorStyle","_cursorStyleRow","_cursorStyleCol","_backgroundCell","_firstRow","_lastCursorRow","_lastCursorCol","_lastContentCursorRow","_lastContentCursorCol","_thisRowLastChar","_thisRowLastSecondChar","_nextRowFirstChar","rowSeparator","currentLine","nextLine","isWrapped","thisRowLastChar","thisRowLastSecondChar","nextRowFirstChar","isNextRowFirstCharDoubleWidth","getWidth","isValid","getChars","_diffStyle","sgrSeq","fgChanged","bgChanged","flagsChanged","isAttributeDefault","isFgRGB","isFgPalette","isBgRGB","isBgPalette","isEmptyCell","join","rowEnd","content","realCursorRow","baseY","cursorY","realCursorCol","cursorX","moveRight","offset","curAttrData","_core","_inputHandler","_curAttrData","activate","terminal","_serializeBufferByScrollback","scrollback","maxRows","correctRows","_serializeBufferByRange","cols","_serializeBufferAsHTML","options","active","HTMLSerializeHandler","onlySelection","selection","getSelectionPosition","_serializeModes","modes","applicationCursorKeysMode","applicationKeypadMode","bracketedPasteMode","insertMode","originMode","reverseWraparoundMode","sendFocusMode","wraparoundMode","mouseTrackingMode","normal","excludeAltBuffer","type","alternate","excludeModes","serializeAsHTML","_options","_htmlContent","_themeService","_ansiColors","_padStart","targetLength","padString","includeGlobalBackground","globalStyleDefinitions","fontFamily","fontSize","_getHexColor","isFg","map","fgHexColor","bgHexColor","styleDefinitions"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-serialize/package.json b/web/public/node_modules/@xterm/addon-serialize/package.json
new file mode 100644
index 000000000..d0e5c32e2
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-serialize/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "@xterm/addon-serialize",
+  "version": "0.13.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-serialize.js",
+  "types": "typings/addon-serialize.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-serialize",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "build": "../../node_modules/.bin/tsc -p .",
+    "prepackage": "npm run build",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package",
+    "benchmark": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json",
+    "benchmark-baseline": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --baseline out-benchmark/benchmark/*benchmark.js",
+    "benchmark-eval": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-serialize/src/SerializeAddon.ts b/web/public/node_modules/@xterm/addon-serialize/src/SerializeAddon.ts
new file mode 100644
index 000000000..e654eddbe
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-serialize/src/SerializeAddon.ts
@@ -0,0 +1,679 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * (EXPERIMENTAL) This Addon is still under development
+ */
+
+import type { IBuffer, IBufferCell, IBufferRange, ITerminalAddon, Terminal } from '@xterm/xterm';
+import type { IHTMLSerializeOptions, SerializeAddon as ISerializeApi, ISerializeOptions, ISerializeRange } from '@xterm/addon-serialize';
+import { DEFAULT_ANSI_COLORS } from 'browser/services/ThemeService';
+import { IAttributeData, IColor } from 'common/Types';
+
+function constrain(value: number, low: number, high: number): number {
+  return Math.max(low, Math.min(value, high));
+}
+
+// TODO: Refine this template class later
+abstract class BaseSerializeHandler {
+  constructor(
+    protected readonly _buffer: IBuffer
+  ) {
+  }
+
+  public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {
+    // we need two of them to flip between old and new cell
+    const cell1 = this._buffer.getNullCell();
+    const cell2 = this._buffer.getNullCell();
+    let oldCell = cell1;
+
+    const startRow = range.start.y;
+    const endRow = range.end.y;
+    const startColumn = range.start.x;
+    const endColumn = range.end.x;
+
+    this._beforeSerialize(endRow - startRow, startRow, endRow);
+
+    for (let row = startRow; row <= endRow; row++) {
+      const line = this._buffer.getLine(row);
+      if (line) {
+        const startLineColumn = row === range.start.y ? startColumn : 0;
+        const endLineColumn = row === range.end.y ? endColumn: line.length;
+        for (let col = startLineColumn; col < endLineColumn; col++) {
+          const c = line.getCell(col, oldCell === cell1 ? cell2 : cell1);
+          if (!c) {
+            console.warn(`Can't get cell at row=${row}, col=${col}`);
+            continue;
+          }
+          this._nextCell(c, oldCell, row, col);
+          oldCell = c;
+        }
+      }
+      this._rowEnd(row, row === endRow);
+    }
+
+    this._afterSerialize();
+
+    return this._serializeString(excludeFinalCursorPosition);
+  }
+
+  protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { }
+  protected _rowEnd(row: number, isLastRow: boolean): void { }
+  protected _beforeSerialize(rows: number, startRow: number, endRow: number): void { }
+  protected _afterSerialize(): void { }
+  protected _serializeString(excludeFinalCursorPosition?: boolean): string { return ''; }
+}
+
+function equalFg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {
+  return cell1.getFgColorMode() === cell2.getFgColorMode()
+    && cell1.getFgColor() === cell2.getFgColor();
+}
+
+function equalBg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {
+  return cell1.getBgColorMode() === cell2.getBgColorMode()
+    && cell1.getBgColor() === cell2.getBgColor();
+}
+
+function equalFlags(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {
+  return cell1.isInverse() === cell2.isInverse()
+    && cell1.isBold() === cell2.isBold()
+    && cell1.isUnderline() === cell2.isUnderline()
+    && cell1.isOverline() === cell2.isOverline()
+    && cell1.isBlink() === cell2.isBlink()
+    && cell1.isInvisible() === cell2.isInvisible()
+    && cell1.isItalic() === cell2.isItalic()
+    && cell1.isDim() === cell2.isDim()
+    && cell1.isStrikethrough() === cell2.isStrikethrough();
+}
+
+class StringSerializeHandler extends BaseSerializeHandler {
+  private _rowIndex: number = 0;
+  private _allRows: string[] = new Array<string>();
+  private _allRowSeparators: string[] = new Array<string>();
+  private _currentRow: string = '';
+  private _nullCellCount: number = 0;
+
+  // we can see a full colored cell and a null cell that only have background the same style
+  // but the information isn't preserved by null cell itself
+  // so wee need to record it when required.
+  private _cursorStyle: IBufferCell = this._buffer.getNullCell();
+
+  // where exact the cursor styles comes from
+  // because we can't copy the cell directly
+  // so we remember where the content comes from instead
+  private _cursorStyleRow: number = 0;
+  private _cursorStyleCol: number = 0;
+
+  // this is a null cell for reference for checking whether background is empty or not
+  private _backgroundCell: IBufferCell = this._buffer.getNullCell();
+
+  private _firstRow: number = 0;
+  private _lastCursorRow: number = 0;
+  private _lastCursorCol: number = 0;
+  private _lastContentCursorRow: number = 0;
+  private _lastContentCursorCol: number = 0;
+
+  constructor(
+    buffer: IBuffer,
+    private readonly _terminal: Terminal
+  ) {
+    super(buffer);
+  }
+
+  protected _beforeSerialize(rows: number, start: number, end: number): void {
+    this._allRows = new Array<string>(rows);
+    this._lastContentCursorRow = start;
+    this._lastCursorRow = start;
+    this._firstRow = start;
+  }
+
+  private _thisRowLastChar: IBufferCell = this._buffer.getNullCell();
+  private _thisRowLastSecondChar: IBufferCell = this._buffer.getNullCell();
+  private _nextRowFirstChar: IBufferCell = this._buffer.getNullCell();
+  protected _rowEnd(row: number, isLastRow: boolean): void {
+    // if there is colorful empty cell at line end, whe must pad it back, or the the color block
+    // will missing
+    if (this._nullCellCount > 0 && !equalBg(this._cursorStyle, this._backgroundCell)) {
+      // use clear right to set background.
+      this._currentRow += `\u001b[${this._nullCellCount}X`;
+    }
+
+    let rowSeparator = '';
+
+    // handle row separator
+    if (!isLastRow) {
+      // Enable BCE
+      if (row - this._firstRow >= this._terminal.rows) {
+        this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol, this._backgroundCell);
+      }
+
+      // Fetch current line
+      const currentLine = this._buffer.getLine(row)!;
+      // Fetch next line
+      const nextLine = this._buffer.getLine(row + 1)!;
+
+      if (!nextLine.isWrapped) {
+        // just insert the line break
+        rowSeparator = '\r\n';
+        // we sended the enter
+        this._lastCursorRow = row + 1;
+        this._lastCursorCol = 0;
+      } else {
+        rowSeparator = '';
+        const thisRowLastChar = currentLine.getCell(currentLine.length - 1, this._thisRowLastChar)!;
+        const thisRowLastSecondChar = currentLine.getCell(currentLine.length - 2, this._thisRowLastSecondChar)!;
+        const nextRowFirstChar = nextLine.getCell(0, this._nextRowFirstChar)!;
+        const isNextRowFirstCharDoubleWidth = nextRowFirstChar.getWidth() > 1;
+
+        // validate whether this line wrap is ever possible
+        // which mean whether cursor can placed at a overflow position (x === row) naturally
+        let isValid = false;
+
+        if (
+          // you must output character to cause overflow, control sequence can't do this
+          nextRowFirstChar.getChars() &&
+            isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0
+        ) {
+          if (
+            // the last character can't be null,
+            // you can't use control sequence to move cursor to (x === row)
+            (thisRowLastChar.getChars() || thisRowLastChar.getWidth() === 0) &&
+            // change background of the first wrapped cell also affects BCE
+            // so we mark it as invalid to simply the process to determine line separator
+            equalBg(thisRowLastChar, nextRowFirstChar)
+          ) {
+            isValid = true;
+          }
+
+          if (
+            // the second to last character can't be null if the next line starts with CJK,
+            // you can't use control sequence to move cursor to (x === row)
+            isNextRowFirstCharDoubleWidth &&
+            (thisRowLastSecondChar.getChars() || thisRowLastSecondChar.getWidth() === 0) &&
+            // change background of the first wrapped cell also affects BCE
+            // so we mark it as invalid to simply the process to determine line separator
+            equalBg(thisRowLastChar, nextRowFirstChar) &&
+            equalBg(thisRowLastSecondChar, nextRowFirstChar)
+          ) {
+            isValid = true;
+          }
+        }
+
+        if (!isValid) {
+          // force the wrap with magic
+          // insert enough character to force the wrap
+          rowSeparator = '-'.repeat(this._nullCellCount + 1);
+          // move back and erase next line head
+          rowSeparator += '\u001b[1D\u001b[1X';
+
+          if (this._nullCellCount > 0) {
+            // do these because we filled the last several null slot, which we shouldn't
+            rowSeparator += '\u001b[A';
+            rowSeparator += `\u001b[${currentLine.length - this._nullCellCount}C`;
+            rowSeparator += `\u001b[${this._nullCellCount}X`;
+            rowSeparator += `\u001b[${currentLine.length - this._nullCellCount}D`;
+            rowSeparator += '\u001b[B';
+          }
+
+          // This is content and need the be serialized even it is invisible.
+          // without this, wrap will be missing from outputs.
+          this._lastContentCursorRow = row + 1;
+          this._lastContentCursorCol = 0;
+
+          // force commit the cursor position
+          this._lastCursorRow = row + 1;
+          this._lastCursorCol = 0;
+        }
+      }
+    }
+
+    this._allRows[this._rowIndex] = this._currentRow;
+    this._allRowSeparators[this._rowIndex++] = rowSeparator;
+    this._currentRow = '';
+    this._nullCellCount = 0;
+  }
+
+  private _diffStyle(cell: IBufferCell | IAttributeData, oldCell: IBufferCell): number[] {
+    const sgrSeq: number[] = [];
+    const fgChanged = !equalFg(cell, oldCell);
+    const bgChanged = !equalBg(cell, oldCell);
+    const flagsChanged = !equalFlags(cell, oldCell);
+
+    if (fgChanged || bgChanged || flagsChanged) {
+      if (cell.isAttributeDefault()) {
+        if (!oldCell.isAttributeDefault()) {
+          sgrSeq.push(0);
+        }
+      } else {
+        if (fgChanged) {
+          const color = cell.getFgColor();
+          if (cell.isFgRGB()) { sgrSeq.push(38, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }
+          else if (cell.isFgPalette()) {
+            if (color >= 16) { sgrSeq.push(38, 5, color); }
+            else { sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7)); }
+          }
+          else { sgrSeq.push(39); }
+        }
+        if (bgChanged) {
+          const color = cell.getBgColor();
+          if (cell.isBgRGB()) { sgrSeq.push(48, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }
+          else if (cell.isBgPalette()) {
+            if (color >= 16) { sgrSeq.push(48, 5, color); }
+            else { sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7)); }
+          }
+          else { sgrSeq.push(49); }
+        }
+        if (flagsChanged) {
+          if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); }
+          if (cell.isBold() !== oldCell.isBold()) { sgrSeq.push(cell.isBold() ? 1 : 22); }
+          if (cell.isUnderline() !== oldCell.isUnderline()) { sgrSeq.push(cell.isUnderline() ? 4 : 24); }
+          if (cell.isOverline() !== oldCell.isOverline()) { sgrSeq.push(cell.isOverline() ? 53 : 55); }
+          if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); }
+          if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); }
+          if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); }
+          if (cell.isDim() !== oldCell.isDim()) { sgrSeq.push(cell.isDim() ? 2 : 22); }
+          if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); }
+        }
+      }
+    }
+
+    return sgrSeq;
+  }
+
+  protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {
+    // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;
+    const isPlaceHolderCell = cell.getWidth() === 0;
+
+    if (isPlaceHolderCell) {
+      return;
+    }
+
+    // this cell don't have content
+    const isEmptyCell = cell.getChars() === '';
+
+    const sgrSeq = this._diffStyle(cell, this._cursorStyle);
+
+    // the empty cell style is only assumed to be changed when background changed, because
+    // foreground is always 0.
+    const styleChanged = isEmptyCell ? !equalBg(this._cursorStyle, cell) : sgrSeq.length > 0;
+
+    /**
+     *  handles style change
+     */
+    if (styleChanged) {
+      // before update the style, we need to fill empty cell back
+      if (this._nullCellCount > 0) {
+        // use clear right to set background.
+        if (!equalBg(this._cursorStyle, this._backgroundCell)) {
+          this._currentRow += `\u001b[${this._nullCellCount}X`;
+        }
+        // use move right to move cursor.
+        this._currentRow += `\u001b[${this._nullCellCount}C`;
+        this._nullCellCount = 0;
+      }
+
+      this._lastContentCursorRow = this._lastCursorRow = row;
+      this._lastContentCursorCol = this._lastCursorCol = col;
+
+      this._currentRow += `\u001b[${sgrSeq.join(';')}m`;
+
+      // update the last cursor style
+      const line = this._buffer.getLine(row);
+      if (line !== undefined) {
+        line.getCell(col, this._cursorStyle);
+        this._cursorStyleRow = row;
+        this._cursorStyleCol = col;
+      }
+    }
+
+    /**
+     *  handles actual content
+     */
+    if (isEmptyCell) {
+      this._nullCellCount += cell.getWidth();
+    } else {
+      if (this._nullCellCount > 0) {
+        // we can just assume we have same style with previous one here
+        // because style change is handled by previous stage
+        // use move right when background is empty, use clear right when there is background.
+        if (equalBg(this._cursorStyle, this._backgroundCell)) {
+          this._currentRow += `\u001b[${this._nullCellCount}C`;
+        } else {
+          this._currentRow += `\u001b[${this._nullCellCount}X`;
+          this._currentRow += `\u001b[${this._nullCellCount}C`;
+        }
+        this._nullCellCount = 0;
+      }
+
+      this._currentRow += cell.getChars();
+
+      // update cursor
+      this._lastContentCursorRow = this._lastCursorRow = row;
+      this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth();
+    }
+  }
+
+  protected _serializeString(excludeFinalCursorPosition: boolean): string {
+    let rowEnd = this._allRows.length;
+
+    // the fixup is only required for data without scrollback
+    // because it will always be placed at last line otherwise
+    if (this._buffer.length - this._firstRow <= this._terminal.rows) {
+      rowEnd = this._lastContentCursorRow + 1 - this._firstRow;
+      this._lastCursorCol = this._lastContentCursorCol;
+      this._lastCursorRow = this._lastContentCursorRow;
+    }
+
+    let content = '';
+
+    for (let i = 0; i < rowEnd; i++) {
+      content += this._allRows[i];
+      if (i + 1 < rowEnd) {
+        content += this._allRowSeparators[i];
+      }
+    }
+
+    // restore the cursor
+    if (!excludeFinalCursorPosition) {
+      const realCursorRow = this._buffer.baseY + this._buffer.cursorY;
+      const realCursorCol = this._buffer.cursorX;
+
+      const cursorMoved = (realCursorRow !== this._lastCursorRow || realCursorCol !== this._lastCursorCol);
+
+      const moveRight = (offset: number): void => {
+        if (offset > 0) {
+          content += `\u001b[${offset}C`;
+        } else if (offset < 0) {
+          content += `\u001b[${-offset}D`;
+        }
+      };
+      const moveDown = (offset: number): void => {
+        if (offset > 0) {
+          content += `\u001b[${offset}B`;
+        } else if (offset < 0) {
+          content += `\u001b[${-offset}A`;
+        }
+      };
+
+      if (cursorMoved) {
+        moveDown(realCursorRow - this._lastCursorRow);
+        moveRight(realCursorCol - this._lastCursorCol);
+      }
+    }
+
+    // Restore the cursor's current style, see https://github.com/xtermjs/xterm.js/issues/3677
+    // HACK: Internal API access since it's awkward to expose this in the API and serialize will
+    // likely be the only consumer
+    const curAttrData: IAttributeData = (this._terminal as any)._core._inputHandler._curAttrData;
+    const sgrSeq = this._diffStyle(curAttrData, this._cursorStyle);
+    if (sgrSeq.length > 0) {
+      content += `\u001b[${sgrSeq.join(';')}m`;
+    }
+
+    return content;
+  }
+}
+
+export class SerializeAddon implements ITerminalAddon , ISerializeApi {
+  private _terminal: Terminal | undefined;
+
+  public activate(terminal: Terminal): void {
+    this._terminal = terminal;
+  }
+
+  private _serializeBufferByScrollback(terminal: Terminal, buffer: IBuffer, scrollback?: number): string {
+    const maxRows = buffer.length;
+    const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);
+    return this._serializeBufferByRange(terminal, buffer, {
+      start: maxRows - correctRows,
+      end: maxRows - 1
+    }, false);
+  }
+
+  private _serializeBufferByRange(terminal: Terminal, buffer: IBuffer, range: ISerializeRange, excludeFinalCursorPosition: boolean): string {
+    const handler = new StringSerializeHandler(buffer, terminal);
+    return handler.serialize({
+      start: { x: 0,             y: typeof range.start === 'number' ? range.start : range.start.line },
+      end:   { x: terminal.cols, y: typeof range.end   === 'number' ? range.end   : range.end.line   }
+    }, excludeFinalCursorPosition);
+  }
+
+  private _serializeBufferAsHTML(terminal: Terminal, options: Partial<IHTMLSerializeOptions>): string {
+    const buffer = terminal.buffer.active;
+    const handler = new HTMLSerializeHandler(buffer, terminal, options);
+    const onlySelection = options.onlySelection ?? false;
+    if (!onlySelection) {
+      const maxRows = buffer.length;
+      const scrollback = options.scrollback;
+      const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);
+      return handler.serialize({
+        start: { x: 0,             y: maxRows - correctRows },
+        end:   { x: terminal.cols, y: maxRows - 1           }
+      });
+    }
+
+    const selection = this._terminal?.getSelectionPosition();
+    if (selection !== undefined) {
+      return handler.serialize({
+        start: { x: selection.start.x, y: selection.start.y },
+        end:   { x: selection.end.x,   y: selection.end.y   }
+      });
+    }
+
+    return '';
+  }
+
+  private _serializeModes(terminal: Terminal): string {
+    let content = '';
+    const modes = terminal.modes;
+
+    // Default: false
+    if (modes.applicationCursorKeysMode) content += '\x1b[?1h';
+    if (modes.applicationKeypadMode) content += '\x1b[?66h';
+    if (modes.bracketedPasteMode) content += '\x1b[?2004h';
+    if (modes.insertMode) content += '\x1b[4h';
+    if (modes.originMode) content += '\x1b[?6h';
+    if (modes.reverseWraparoundMode) content += '\x1b[?45h';
+    if (modes.sendFocusMode) content += '\x1b[?1004h';
+
+    // Default: true
+    if (modes.wraparoundMode === false) content += '\x1b[?7l';
+
+    // Default: 'none'
+    if (modes.mouseTrackingMode !== 'none') {
+      switch (modes.mouseTrackingMode) {
+        case 'x10': content += '\x1b[?9h'; break;
+        case 'vt200': content += '\x1b[?1000h'; break;
+        case 'drag': content += '\x1b[?1002h'; break;
+        case 'any': content += '\x1b[?1003h'; break;
+      }
+    }
+
+    return content;
+  }
+
+  public serialize(options?: ISerializeOptions): string {
+    // TODO: Add combinedData support
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+
+    // Normal buffer
+    let content = options?.range
+      ? this._serializeBufferByRange(this._terminal, this._terminal.buffer.normal, options.range, true)
+      : this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.normal, options?.scrollback);
+
+    // Alternate buffer
+    if (!options?.excludeAltBuffer) {
+      if (this._terminal.buffer.active.type === 'alternate') {
+        const alternativeScreenContent = this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.alternate, undefined);
+        content += `\u001b[?1049h\u001b[H${alternativeScreenContent}`;
+      }
+    }
+
+    // Modes
+    if (!options?.excludeModes) {
+      content += this._serializeModes(this._terminal);
+    }
+
+    return content;
+  }
+
+  public serializeAsHTML(options?: Partial<IHTMLSerializeOptions>): string {
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+
+    return this._serializeBufferAsHTML(this._terminal, options || {});
+  }
+
+  public dispose(): void { }
+}
+
+export class HTMLSerializeHandler extends BaseSerializeHandler {
+  private _currentRow: string = '';
+
+  private _htmlContent = '';
+
+  private _ansiColors: Readonly<IColor[]>;
+
+  constructor(
+    buffer: IBuffer,
+    private readonly _terminal: Terminal,
+    private readonly _options: Partial<IHTMLSerializeOptions>
+  ) {
+    super(buffer);
+
+    // For xterm headless: fallback to ansi colors
+    if ((_terminal as any)._core._themeService) {
+      this._ansiColors = (_terminal as any)._core._themeService.colors.ansi;
+    }
+    else {
+      this._ansiColors = DEFAULT_ANSI_COLORS;
+    }
+  }
+
+  private _padStart(target: string, targetLength: number, padString: string): string {
+    targetLength = targetLength >> 0;
+    padString = padString ?? ' ';
+    if (target.length > targetLength) {
+      return target;
+    }
+
+    targetLength -= target.length;
+    if (targetLength > padString.length) {
+      padString += padString.repeat(targetLength / padString.length);
+    }
+    return padString.slice(0, targetLength) + target;
+  }
+
+  protected _beforeSerialize(rows: number, start: number, end: number): void {
+    this._htmlContent += '<html><body><!--StartFragment--><pre>';
+
+    let foreground = '#000000';
+    let background = '#ffffff';
+    if (this._options.includeGlobalBackground ?? false) {
+      foreground = this._terminal.options.theme?.foreground ?? '#ffffff';
+      background = this._terminal.options.theme?.background ?? '#000000';
+    }
+
+    const globalStyleDefinitions = [];
+    globalStyleDefinitions.push('color: ' + foreground + ';');
+    globalStyleDefinitions.push('background-color: ' + background + ';');
+    globalStyleDefinitions.push('font-family: ' + this._terminal.options.fontFamily + ';');
+    globalStyleDefinitions.push('font-size: ' + this._terminal.options.fontSize + 'px;');
+    this._htmlContent += '<div style=\'' + globalStyleDefinitions.join(' ') + '\'>';
+  }
+
+  protected _afterSerialize(): void {
+    this._htmlContent += '</div>';
+    this._htmlContent += '</pre><!--EndFragment--></body></html>';
+  }
+
+  protected _rowEnd(row: number, isLastRow: boolean): void {
+    this._htmlContent += '<div><span>' + this._currentRow + '</span></div>';
+    this._currentRow = '';
+  }
+
+  private _getHexColor(cell: IBufferCell, isFg: boolean): string | undefined {
+    const color = isFg ? cell.getFgColor() : cell.getBgColor();
+    if (isFg ? cell.isFgRGB() : cell.isBgRGB()) {
+      const rgb = [
+        (color >> 16) & 255,
+        (color >>  8) & 255,
+        (color      ) & 255
+      ];
+      return '#' + rgb.map(x => this._padStart(x.toString(16), 2, '0')).join('');
+    }
+    if (isFg ? cell.isFgPalette() : cell.isBgPalette()) {
+      return this._ansiColors[color].css;
+    }
+    return undefined;
+  }
+
+  private _diffStyle(cell: IBufferCell, oldCell: IBufferCell): string[] | undefined {
+    const content: string[] = [];
+
+    const fgChanged = !equalFg(cell, oldCell);
+    const bgChanged = !equalBg(cell, oldCell);
+    const flagsChanged = !equalFlags(cell, oldCell);
+
+    if (fgChanged || bgChanged || flagsChanged) {
+      const fgHexColor = this._getHexColor(cell, true);
+      if (fgHexColor) {
+        content.push('color: ' + fgHexColor + ';');
+      }
+
+      const bgHexColor = this._getHexColor(cell, false);
+      if (bgHexColor) {
+        content.push('background-color: ' + bgHexColor + ';');
+      }
+
+      if (cell.isInverse()) { content.push('color: #000000; background-color: #BFBFBF;'); }
+      if (cell.isBold()) { content.push('font-weight: bold;'); }
+      if (cell.isUnderline() && cell.isOverline()) { content.push('text-decoration: overline underline;'); }
+      else if (cell.isUnderline()) { content.push('text-decoration: underline;'); }
+      else if (cell.isOverline()) { content.push('text-decoration: overline;'); }
+      if (cell.isBlink()) { content.push('text-decoration: blink;'); }
+      if (cell.isInvisible()) { content.push('visibility: hidden;'); }
+      if (cell.isItalic()) { content.push('font-style: italic;'); }
+      if (cell.isDim()) { content.push('opacity: 0.5;'); }
+      if (cell.isStrikethrough()) { content.push('text-decoration: line-through;'); }
+
+      return content;
+    }
+
+    return undefined;
+  }
+
+  protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {
+    // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;
+    const isPlaceHolderCell = cell.getWidth() === 0;
+    if (isPlaceHolderCell) {
+      return;
+    }
+
+    // this cell don't have content
+    const isEmptyCell = cell.getChars() === '';
+
+    const styleDefinitions = this._diffStyle(cell, oldCell);
+
+    // handles style change
+    if (styleDefinitions) {
+      this._currentRow += styleDefinitions.length === 0 ?
+        '</span><span>' :
+        '</span><span style=\'' + styleDefinitions.join(' ') + '\'>';
+    }
+
+    // handles actual content
+    if (isEmptyCell) {
+      this._currentRow += ' ';
+    } else {
+      this._currentRow += cell.getChars();
+    }
+  }
+
+  protected _serializeString(): string {
+    return this._htmlContent;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-serialize/typings/addon-serialize.d.ts b/web/public/node_modules/@xterm/addon-serialize/typings/addon-serialize.d.ts
new file mode 100644
index 000000000..90b8b4286
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-serialize/typings/addon-serialize.d.ts
@@ -0,0 +1,105 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Terminal, ITerminalAddon, IMarker, IBufferRange } from '@xterm/xterm';
+
+declare module '@xterm/addon-serialize' {
+  /**
+   * An xterm.js addon that enables serialization of terminal contents.
+   */
+  export class SerializeAddon implements ITerminalAddon {
+
+    constructor();
+
+    /**
+     * Activates the addon.
+     * @param terminal The terminal the addon is being loaded in.
+     */
+    public activate(terminal: Terminal): void;
+
+    /**
+     * Serializes terminal rows into a string that can be written back to the terminal to restore
+     * the state. The cursor will also be positioned to the correct cell. When restoring a terminal
+     * it is best to do before `Terminal.open` is called to avoid wasting CPU cycles rendering
+     * incomplete frames.
+     *
+     * It's recommended that you write the serialized data into a terminal of the same size in which
+     * it originated from and then resize it after if needed.
+     *
+     * @param options Custom options to allow control over what gets serialized.
+     */
+    public serialize(options?: ISerializeOptions): string;
+
+    /**
+     * Serializes terminal content as HTML, which can be written to the clipboard using the
+     * `text/html` mimetype. For applications that support it, the pasted text should then retain
+     * its colors/styles.
+     *
+     * @param options Custom options to allow control over what gets serialized.
+     */
+    public serializeAsHTML(options?: Partial<IHTMLSerializeOptions>): string;
+
+    /**
+     * Disposes the addon.
+     */
+    public dispose(): void;
+  }
+
+  export interface ISerializeOptions {
+    /**
+     * The row range to serialize. The an explicit range is specified, the cursor will get its final
+     * repositioning.
+     */
+    range?: ISerializeRange;
+
+    /**
+     * The number of rows in the scrollback buffer to serialize, starting from the bottom of the
+     * scrollback buffer. When not specified, all available rows in the scrollback buffer will be
+     * serialized. This will be ignored if {@link range} is specified.
+     */
+    scrollback?: number;
+
+    /**
+     * Whether to exclude the terminal modes from the serialization. False by default.
+     */
+    excludeModes?: boolean;
+
+    /**
+     * Whether to exclude the alt buffer from the serialization. False by default.
+     */
+    excludeAltBuffer?: boolean;
+  }
+
+  export interface IHTMLSerializeOptions {
+    /**
+     * The number of rows in the scrollback buffer to serialize, starting from the bottom of the
+     * scrollback buffer. When not specified, all available rows in the scrollback buffer will be
+     * serialized. This setting is ignored if {@link IHTMLSerializeOptions.onlySelection} is true.
+     */
+    scrollback: number;
+
+    /**
+     * Whether to only serialize the selection. If false, the whole active buffer is serialized in HTML.
+     * False by default.
+     */
+    onlySelection: boolean;
+
+    /**
+     * Whether to include the global background of the terminal. False by default.
+     */
+    includeGlobalBackground: boolean;
+  }
+
+  export interface ISerializeRange {
+    /**
+     * The line to start serializing (inclusive).
+     */
+    start: IMarker | number;
+    /**
+     * The line to end serializing (inclusive).
+     */
+    end: IMarker | number;
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-web-links/LICENSE b/web/public/node_modules/@xterm/addon-web-links/LICENSE
new file mode 100644
index 000000000..e597698cc
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2017, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/addon-web-links/README.md b/web/public/node_modules/@xterm/addon-web-links/README.md
new file mode 100644
index 000000000..16dfa5718
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/README.md
@@ -0,0 +1,21 @@
+## @xterm/addon-web-links
+
+An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables web links. This addon requires xterm.js v4+.
+
+### Install
+
+```bash
+npm install --save @xterm/addon-web-links
+```
+
+### Usage
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { WebLinksAddon } from '@xterm/addon-web-links';
+
+const terminal = new Terminal();
+terminal.loadAddon(new WebLinksAddon());
+```
+
+See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-web-links/typings/addon-web-links.d.ts) for more advanced usage.
diff --git a/web/public/node_modules/@xterm/addon-web-links/lib/addon-web-links.js b/web/public/node_modules/@xterm/addon-web-links/lib/addon-web-links.js
new file mode 100644
index 000000000..2131376cd
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/lib/addon-web-links.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.WebLinksAddon=t():e.WebLinksAddon=t()}(self,(()=>(()=>{"use strict";var e={6:(e,t)=>{function n(e){try{const t=new URL(e),n=t.password&&t.username?`${t.protocol}//${t.username}:${t.password}@${t.host}`:t.username?`${t.protocol}//${t.username}@${t.host}`:`${t.protocol}//${t.host}`;return e.toLocaleLowerCase().startsWith(n.toLocaleLowerCase())}catch(e){return!1}}Object.defineProperty(t,"__esModule",{value:!0}),t.LinkComputer=t.WebLinkProvider=void 0,t.WebLinkProvider=class{constructor(e,t,n,o={}){this._terminal=e,this._regex=t,this._handler=n,this._options=o}provideLinks(e,t){const n=o.computeLink(e,this._regex,this._terminal,this._handler);t(this._addCallbacks(n))}_addCallbacks(e){return e.map((e=>(e.leave=this._options.leave,e.hover=(t,n)=>{if(this._options.hover){const{range:o}=e;this._options.hover(t,n,o)}},e)))}};class o{static computeLink(e,t,r,i){const s=new RegExp(t.source,(t.flags||"")+"g"),[a,c]=o._getWindowedLineStrings(e-1,r),l=a.join("");let d;const p=[];for(;d=s.exec(l);){const e=d[0];if(!n(e))continue;const[t,s]=o._mapStrIdx(r,c,0,d.index),[a,l]=o._mapStrIdx(r,t,s,e.length);if(-1===t||-1===s||-1===a||-1===l)continue;const h={start:{x:s+1,y:t+1},end:{x:l,y:a+1}};p.push({range:h,text:e,activate:i})}return p}static _getWindowedLineStrings(e,t){let n,o=e,r=e,i=0,s="";const a=[];if(n=t.buffer.active.getLine(e)){const e=n.translateToString(!0);if(n.isWrapped&&" "!==e[0]){for(i=0;(n=t.buffer.active.getLine(--o))&&i<2048&&(s=n.translateToString(!0),i+=s.length,a.push(s),n.isWrapped&&-1===s.indexOf(" ")););a.reverse()}for(a.push(e),i=0;(n=t.buffer.active.getLine(++r))&&n.isWrapped&&i<2048&&(s=n.translateToString(!0),i+=s.length,a.push(s),-1===s.indexOf(" ")););}return[a,o]}static _mapStrIdx(e,t,n,o){const r=e.buffer.active,i=r.getNullCell();let s=n;for(;o;){const e=r.getLine(t);if(!e)return[-1,-1];for(let n=s;n<e.length;++n){e.getCell(n,i);const s=i.getChars();if(i.getWidth()&&(o-=s.length||1,n===e.length-1&&""===s)){const e=r.getLine(t+1);e&&e.isWrapped&&(e.getCell(0,i),2===i.getWidth()&&(o+=1))}if(o<0)return[t,n]}t++,s=0}return[t,s]}}t.LinkComputer=o}},t={};function n(o){var r=t[o];if(void 0!==r)return r.exports;var i=t[o]={exports:{}};return e[o](i,i.exports,n),i.exports}var o={};return(()=>{var e=o;Object.defineProperty(e,"__esModule",{value:!0}),e.WebLinksAddon=void 0;const t=n(6),r=/(https?|HTTPS?):[/]{2}[^\s"'!*(){}|\\\^<>`]*[^\s"':,.!?{}|\\\^~\[\]`()<>]/;function i(e,t){const n=window.open();if(n){try{n.opener=null}catch{}n.location.href=t}else console.warn("Opening link blocked as opener could not be cleared")}e.WebLinksAddon=class{constructor(e=i,t={}){this._handler=e,this._options=t}activate(e){this._terminal=e;const n=this._options,o=n.urlRegex||r;this._linkProvider=this._terminal.registerLinkProvider(new t.WebLinkProvider(this._terminal,o,this._handler,n))}dispose(){this._linkProvider?.dispose()}}})(),o})()));
+//# sourceMappingURL=addon-web-links.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-web-links/lib/addon-web-links.js.map b/web/public/node_modules/@xterm/addon-web-links/lib/addon-web-links.js.map
new file mode 100644
index 000000000..268ba0f5f
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/lib/addon-web-links.js.map
@@ -0,0 +1 @@
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All rights reserved.\n * @license MIT\n */\n\nimport { ILinkProvider, ILink, Terminal, IViewportRange, IBufferLine } from '@xterm/xterm';\n\nexport interface ILinkProviderOptions {\n  hover?(event: MouseEvent, text: string, location: IViewportRange): void;\n  leave?(event: MouseEvent, text: string): void;\n  urlRegex?: RegExp;\n}\n\nexport class WebLinkProvider implements ILinkProvider {\n\n  constructor(\n    private readonly _terminal: Terminal,\n    private readonly _regex: RegExp,\n    private readonly _handler: (event: MouseEvent, uri: string) => void,\n    private readonly _options: ILinkProviderOptions = {}\n  ) {\n\n  }\n\n  public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {\n    const links = LinkComputer.computeLink(y, this._regex, this._terminal, this._handler);\n    callback(this._addCallbacks(links));\n  }\n\n  private _addCallbacks(links: ILink[]): ILink[] {\n    return links.map(link => {\n      link.leave = this._options.leave;\n      link.hover = (event: MouseEvent, uri: string): void => {\n        if (this._options.hover) {\n          const { range } = link;\n          this._options.hover(event, uri, range);\n        }\n      };\n      return link;\n    });\n  }\n}\n\nfunction isUrl(urlString: string): boolean {\n  try {\n    const url = new URL(urlString);\n    const parsedBase = url.password && url.username\n      ? `${url.protocol}//${url.username}:${url.password}@${url.host}`\n      : url.username\n        ? `${url.protocol}//${url.username}@${url.host}`\n        : `${url.protocol}//${url.host}`;\n    return urlString.toLocaleLowerCase().startsWith(parsedBase.toLocaleLowerCase());\n  } catch (e) {\n    return false;\n  }\n}\n\nexport class LinkComputer {\n  public static computeLink(y: number, regex: RegExp, terminal: Terminal, activate: (event: MouseEvent, uri: string) => void): ILink[] {\n    const rex = new RegExp(regex.source, (regex.flags || '') + 'g');\n\n    const [lines, startLineIndex] = LinkComputer._getWindowedLineStrings(y - 1, terminal);\n    const line = lines.join('');\n\n    let match;\n    const result: ILink[] = [];\n\n    while (match = rex.exec(line)) {\n      const text = match[0];\n\n      // check via URL if the matched text would form a proper url\n      if (!isUrl(text)) {\n        continue;\n      }\n\n      // map string positions back to buffer positions\n      // values are 0-based right side excluding\n      const [startY, startX] = LinkComputer._mapStrIdx(terminal, startLineIndex, 0, match.index);\n      const [endY, endX] = LinkComputer._mapStrIdx(terminal, startY, startX, text.length);\n\n      if (startY === -1 || startX === -1 || endY === -1 || endX === -1) {\n        continue;\n      }\n\n      // range expects values 1-based right side including, thus +1 except for endX\n      const range = {\n        start: {\n          x: startX + 1,\n          y: startY + 1\n        },\n        end: {\n          x: endX,\n          y: endY + 1\n        }\n      };\n\n      result.push({ range, text, activate });\n    }\n\n    return result;\n  }\n\n  /**\n   * Get wrapped content lines for the current line index.\n   * The top/bottom line expansion stops at whitespaces or length > 2048.\n   * Returns an array with line strings and the top line index.\n   *\n   * NOTE: We pull line strings with trimRight=true on purpose to make sure\n   * to correctly match urls with early wrapped wide chars. This corrupts the string index\n   * for 1:1 backmapping to buffer positions, thus needs an additional correction in _mapStrIdx.\n   */\n  private static _getWindowedLineStrings(lineIndex: number, terminal: Terminal): [string[], number] {\n    let line: IBufferLine | undefined;\n    let topIdx = lineIndex;\n    let bottomIdx = lineIndex;\n    let length = 0;\n    let content = '';\n    const lines: string[] = [];\n\n    if ((line = terminal.buffer.active.getLine(lineIndex))) {\n      const currentContent = line.translateToString(true);\n\n      // expand top, stop on whitespaces or length > 2048\n      if (line.isWrapped && currentContent[0] !== ' ') {\n        length = 0;\n        while ((line = terminal.buffer.active.getLine(--topIdx)) && length < 2048) {\n          content = line.translateToString(true);\n          length += content.length;\n          lines.push(content);\n          if (!line.isWrapped || content.indexOf(' ') !== -1) {\n            break;\n          }\n        }\n        lines.reverse();\n      }\n\n      // append current line\n      lines.push(currentContent);\n\n      // expand bottom, stop on whitespaces or length > 2048\n      length = 0;\n      while ((line = terminal.buffer.active.getLine(++bottomIdx)) && line.isWrapped && length < 2048) {\n        content = line.translateToString(true);\n        length += content.length;\n        lines.push(content);\n        if (content.indexOf(' ') !== -1) {\n          break;\n        }\n      }\n    }\n    return [lines, topIdx];\n  }\n\n  /**\n   * Map a string index back to buffer positions.\n   * Returns buffer position as [lineIndex, columnIndex] 0-based,\n   * or [-1, -1] in case the lookup ran into a non-existing line.\n   */\n  private static _mapStrIdx(terminal: Terminal, lineIndex: number, rowIndex: number, stringIndex: number): [number, number] {\n    const buf = terminal.buffer.active;\n    const cell = buf.getNullCell();\n    let start = rowIndex;\n    while (stringIndex) {\n      const line = buf.getLine(lineIndex);\n      if (!line) {\n        return [-1, -1];\n      }\n      for (let i = start; i < line.length; ++i) {\n        line.getCell(i, cell);\n        const chars = cell.getChars();\n        const width = cell.getWidth();\n        if (width) {\n          stringIndex -= chars.length || 1;\n\n          // correct stringIndex for early wrapped wide chars:\n          // - currently only happens at last cell\n          // - cells to the right are reset with chars='' and width=1 in InputHandler.print\n          // - follow-up line must be wrapped and contain wide char at first cell\n          // --> if all these conditions are met, correct stringIndex by +1\n          if (i === line.length - 1 && chars === '') {\n            const line = buf.getLine(lineIndex + 1);\n            if (line && line.isWrapped) {\n              line.getCell(0, cell);\n              if (cell.getWidth() === 2) {\n                stringIndex += 1;\n              }\n            }\n          }\n        }\n        if (stringIndex < 0) {\n          return [lineIndex, i];\n        }\n      }\n      lineIndex++;\n      start = 0;\n    }\n    return [lineIndex, start];\n  }\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport type { Terminal, ITerminalAddon, IDisposable } from '@xterm/xterm';\nimport type { WebLinksAddon as IWebLinksApi } from '@xterm/addon-web-links';\nimport { ILinkProviderOptions, WebLinkProvider } from './WebLinkProvider';\n\n// consider everthing starting with http:// or https://\n// up to first whitespace, `\"` or `'` as url\n// NOTE: The repeated end clause is needed to not match a dangling `:`\n// resembling the old (...)*([^:\"\\'\\\\s]) final path clause\n// additionally exclude early + final:\n// - unsafe from rfc3986: !*'()\n// - unsafe chars from rfc1738: {}|\\^~[]` (minus [] as we need them for ipv6 adresses, also allow ~)\n// also exclude as finals:\n// - final interpunction like ,.!?\n// - any sort of brackets <>()[]{} (not spec conform, but often used to enclose urls)\n// - unsafe chars from rfc1738: {}|\\^~[]`\nconst strictUrlRegex = /(https?|HTTPS?):[/]{2}[^\\s\"'!*(){}|\\\\\\^<>`]*[^\\s\"':,.!?{}|\\\\\\^~\\[\\]`()<>]/;\n\n\nfunction handleLink(event: MouseEvent, uri: string): void {\n  const newWindow = window.open();\n  if (newWindow) {\n    try {\n      newWindow.opener = null;\n    } catch {\n      // no-op, Electron can throw\n    }\n    newWindow.location.href = uri;\n  } else {\n    console.warn('Opening link blocked as opener could not be cleared');\n  }\n}\n\nexport class WebLinksAddon implements ITerminalAddon , IWebLinksApi {\n  private _terminal: Terminal | undefined;\n  private _linkProvider: IDisposable | undefined;\n\n  constructor(\n    private _handler: (event: MouseEvent, uri: string) => void = handleLink,\n    private _options: ILinkProviderOptions = {}\n  ) {\n  }\n\n  public activate(terminal: Terminal): void {\n    this._terminal = terminal;\n    const options = this._options as ILinkProviderOptions;\n    const regex = options.urlRegex || strictUrlRegex;\n    this._linkProvider = this._terminal.registerLinkProvider(new WebLinkProvider(this._terminal, regex, this._handler, options));\n  }\n\n  public dispose(): void {\n    this._linkProvider?.dispose();\n  }\n}\n"],"names":["root","factory","exports","module","define","amd","self","isUrl","urlString","url","URL","parsedBase","password","username","protocol","host","toLocaleLowerCase","startsWith","e","constructor","_terminal","_regex","_handler","_options","provideLinks","y","callback","links","LinkComputer","computeLink","this","_addCallbacks","map","link","leave","hover","event","uri","range","regex","terminal","activate","rex","RegExp","source","flags","lines","startLineIndex","_getWindowedLineStrings","line","join","match","result","exec","text","startY","startX","_mapStrIdx","index","endY","endX","length","start","x","end","push","lineIndex","topIdx","bottomIdx","content","buffer","active","getLine","currentContent","translateToString","isWrapped","indexOf","reverse","rowIndex","stringIndex","buf","cell","getNullCell","i","getCell","chars","getChars","getWidth","__webpack_module_cache__","__webpack_require__","moduleId","cachedModule","undefined","__webpack_modules__","strictUrlRegex","handleLink","newWindow","window","open","opener","location","href","console","warn","options","urlRegex","_linkProvider","registerLinkProvider","WebLinkProvider","dispose"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-web-links/package.json b/web/public/node_modules/@xterm/addon-web-links/package.json
new file mode 100644
index 000000000..6ba3b5cb0
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "@xterm/addon-web-links",
+  "version": "0.11.0",
+  "author": {
+    "name": "The xterm.js authors",
+    "url": "https://xtermjs.org/"
+  },
+  "main": "lib/addon-web-links.js",
+  "types": "typings/addon-web-links.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-web-links",
+  "license": "MIT",
+  "keywords": [
+    "terminal",
+    "xterm",
+    "xterm.js"
+  ],
+  "scripts": {
+    "build": "../../node_modules/.bin/tsc -p .",
+    "prepackage": "npm run build",
+    "package": "../../node_modules/.bin/webpack",
+    "prepublishOnly": "npm run package"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/addon-web-links/src/WebLinkProvider.ts b/web/public/node_modules/@xterm/addon-web-links/src/WebLinkProvider.ts
new file mode 100644
index 000000000..66691f44c
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/src/WebLinkProvider.ts
@@ -0,0 +1,199 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ILinkProvider, ILink, Terminal, IViewportRange, IBufferLine } from '@xterm/xterm';
+
+export interface ILinkProviderOptions {
+  hover?(event: MouseEvent, text: string, location: IViewportRange): void;
+  leave?(event: MouseEvent, text: string): void;
+  urlRegex?: RegExp;
+}
+
+export class WebLinkProvider implements ILinkProvider {
+
+  constructor(
+    private readonly _terminal: Terminal,
+    private readonly _regex: RegExp,
+    private readonly _handler: (event: MouseEvent, uri: string) => void,
+    private readonly _options: ILinkProviderOptions = {}
+  ) {
+
+  }
+
+  public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {
+    const links = LinkComputer.computeLink(y, this._regex, this._terminal, this._handler);
+    callback(this._addCallbacks(links));
+  }
+
+  private _addCallbacks(links: ILink[]): ILink[] {
+    return links.map(link => {
+      link.leave = this._options.leave;
+      link.hover = (event: MouseEvent, uri: string): void => {
+        if (this._options.hover) {
+          const { range } = link;
+          this._options.hover(event, uri, range);
+        }
+      };
+      return link;
+    });
+  }
+}
+
+function isUrl(urlString: string): boolean {
+  try {
+    const url = new URL(urlString);
+    const parsedBase = url.password && url.username
+      ? `${url.protocol}//${url.username}:${url.password}@${url.host}`
+      : url.username
+        ? `${url.protocol}//${url.username}@${url.host}`
+        : `${url.protocol}//${url.host}`;
+    return urlString.toLocaleLowerCase().startsWith(parsedBase.toLocaleLowerCase());
+  } catch (e) {
+    return false;
+  }
+}
+
+export class LinkComputer {
+  public static computeLink(y: number, regex: RegExp, terminal: Terminal, activate: (event: MouseEvent, uri: string) => void): ILink[] {
+    const rex = new RegExp(regex.source, (regex.flags || '') + 'g');
+
+    const [lines, startLineIndex] = LinkComputer._getWindowedLineStrings(y - 1, terminal);
+    const line = lines.join('');
+
+    let match;
+    const result: ILink[] = [];
+
+    while (match = rex.exec(line)) {
+      const text = match[0];
+
+      // check via URL if the matched text would form a proper url
+      if (!isUrl(text)) {
+        continue;
+      }
+
+      // map string positions back to buffer positions
+      // values are 0-based right side excluding
+      const [startY, startX] = LinkComputer._mapStrIdx(terminal, startLineIndex, 0, match.index);
+      const [endY, endX] = LinkComputer._mapStrIdx(terminal, startY, startX, text.length);
+
+      if (startY === -1 || startX === -1 || endY === -1 || endX === -1) {
+        continue;
+      }
+
+      // range expects values 1-based right side including, thus +1 except for endX
+      const range = {
+        start: {
+          x: startX + 1,
+          y: startY + 1
+        },
+        end: {
+          x: endX,
+          y: endY + 1
+        }
+      };
+
+      result.push({ range, text, activate });
+    }
+
+    return result;
+  }
+
+  /**
+   * Get wrapped content lines for the current line index.
+   * The top/bottom line expansion stops at whitespaces or length > 2048.
+   * Returns an array with line strings and the top line index.
+   *
+   * NOTE: We pull line strings with trimRight=true on purpose to make sure
+   * to correctly match urls with early wrapped wide chars. This corrupts the string index
+   * for 1:1 backmapping to buffer positions, thus needs an additional correction in _mapStrIdx.
+   */
+  private static _getWindowedLineStrings(lineIndex: number, terminal: Terminal): [string[], number] {
+    let line: IBufferLine | undefined;
+    let topIdx = lineIndex;
+    let bottomIdx = lineIndex;
+    let length = 0;
+    let content = '';
+    const lines: string[] = [];
+
+    if ((line = terminal.buffer.active.getLine(lineIndex))) {
+      const currentContent = line.translateToString(true);
+
+      // expand top, stop on whitespaces or length > 2048
+      if (line.isWrapped && currentContent[0] !== ' ') {
+        length = 0;
+        while ((line = terminal.buffer.active.getLine(--topIdx)) && length < 2048) {
+          content = line.translateToString(true);
+          length += content.length;
+          lines.push(content);
+          if (!line.isWrapped || content.indexOf(' ') !== -1) {
+            break;
+          }
+        }
+        lines.reverse();
+      }
+
+      // append current line
+      lines.push(currentContent);
+
+      // expand bottom, stop on whitespaces or length > 2048
+      length = 0;
+      while ((line = terminal.buffer.active.getLine(++bottomIdx)) && line.isWrapped && length < 2048) {
+        content = line.translateToString(true);
+        length += content.length;
+        lines.push(content);
+        if (content.indexOf(' ') !== -1) {
+          break;
+        }
+      }
+    }
+    return [lines, topIdx];
+  }
+
+  /**
+   * Map a string index back to buffer positions.
+   * Returns buffer position as [lineIndex, columnIndex] 0-based,
+   * or [-1, -1] in case the lookup ran into a non-existing line.
+   */
+  private static _mapStrIdx(terminal: Terminal, lineIndex: number, rowIndex: number, stringIndex: number): [number, number] {
+    const buf = terminal.buffer.active;
+    const cell = buf.getNullCell();
+    let start = rowIndex;
+    while (stringIndex) {
+      const line = buf.getLine(lineIndex);
+      if (!line) {
+        return [-1, -1];
+      }
+      for (let i = start; i < line.length; ++i) {
+        line.getCell(i, cell);
+        const chars = cell.getChars();
+        const width = cell.getWidth();
+        if (width) {
+          stringIndex -= chars.length || 1;
+
+          // correct stringIndex for early wrapped wide chars:
+          // - currently only happens at last cell
+          // - cells to the right are reset with chars='' and width=1 in InputHandler.print
+          // - follow-up line must be wrapped and contain wide char at first cell
+          // --> if all these conditions are met, correct stringIndex by +1
+          if (i === line.length - 1 && chars === '') {
+            const line = buf.getLine(lineIndex + 1);
+            if (line && line.isWrapped) {
+              line.getCell(0, cell);
+              if (cell.getWidth() === 2) {
+                stringIndex += 1;
+              }
+            }
+          }
+        }
+        if (stringIndex < 0) {
+          return [lineIndex, i];
+        }
+      }
+      lineIndex++;
+      start = 0;
+    }
+    return [lineIndex, start];
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-web-links/src/WebLinksAddon.ts b/web/public/node_modules/@xterm/addon-web-links/src/WebLinksAddon.ts
new file mode 100644
index 000000000..b3f0548cc
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/src/WebLinksAddon.ts
@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import type { Terminal, ITerminalAddon, IDisposable } from '@xterm/xterm';
+import type { WebLinksAddon as IWebLinksApi } from '@xterm/addon-web-links';
+import { ILinkProviderOptions, WebLinkProvider } from './WebLinkProvider';
+
+// consider everthing starting with http:// or https://
+// up to first whitespace, `"` or `'` as url
+// NOTE: The repeated end clause is needed to not match a dangling `:`
+// resembling the old (...)*([^:"\'\\s]) final path clause
+// additionally exclude early + final:
+// - unsafe from rfc3986: !*'()
+// - unsafe chars from rfc1738: {}|\^~[]` (minus [] as we need them for ipv6 adresses, also allow ~)
+// also exclude as finals:
+// - final interpunction like ,.!?
+// - any sort of brackets <>()[]{} (not spec conform, but often used to enclose urls)
+// - unsafe chars from rfc1738: {}|\^~[]`
+const strictUrlRegex = /(https?|HTTPS?):[/]{2}[^\s"'!*(){}|\\\^<>`]*[^\s"':,.!?{}|\\\^~\[\]`()<>]/;
+
+
+function handleLink(event: MouseEvent, uri: string): void {
+  const newWindow = window.open();
+  if (newWindow) {
+    try {
+      newWindow.opener = null;
+    } catch {
+      // no-op, Electron can throw
+    }
+    newWindow.location.href = uri;
+  } else {
+    console.warn('Opening link blocked as opener could not be cleared');
+  }
+}
+
+export class WebLinksAddon implements ITerminalAddon , IWebLinksApi {
+  private _terminal: Terminal | undefined;
+  private _linkProvider: IDisposable | undefined;
+
+  constructor(
+    private _handler: (event: MouseEvent, uri: string) => void = handleLink,
+    private _options: ILinkProviderOptions = {}
+  ) {
+  }
+
+  public activate(terminal: Terminal): void {
+    this._terminal = terminal;
+    const options = this._options as ILinkProviderOptions;
+    const regex = options.urlRegex || strictUrlRegex;
+    this._linkProvider = this._terminal.registerLinkProvider(new WebLinkProvider(this._terminal, regex, this._handler, options));
+  }
+
+  public dispose(): void {
+    this._linkProvider?.dispose();
+  }
+}
diff --git a/web/public/node_modules/@xterm/addon-web-links/typings/addon-web-links.d.ts b/web/public/node_modules/@xterm/addon-web-links/typings/addon-web-links.d.ts
new file mode 100644
index 000000000..4ae4934ef
--- /dev/null
+++ b/web/public/node_modules/@xterm/addon-web-links/typings/addon-web-links.d.ts
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+
+import { Terminal, ITerminalAddon, IViewportRange } from '@xterm/xterm';
+
+declare module '@xterm/addon-web-links' {
+  /**
+   * An xterm.js addon that enables web links.
+   */
+  export class WebLinksAddon implements ITerminalAddon {
+    /**
+     * Creates a new web links addon.
+     * @param handler The callback when the link is called.
+     * @param options Options for the link provider.
+     */
+    constructor(handler?: (event: MouseEvent, uri: string) => void, options?: ILinkProviderOptions);
+
+    /**
+     * Activates the addon
+     * @param terminal The terminal the addon is being loaded in.
+     */
+    public activate(terminal: Terminal): void;
+
+    /**
+     * Disposes the addon.
+     */
+    public dispose(): void;
+  }
+
+  /**
+   * An object containing options for a link provider.
+   */
+  export interface ILinkProviderOptions {
+    /**
+     * A callback that fires when the mouse hovers over a link.
+     */
+    hover?(event: MouseEvent, text: string, location: IViewportRange): void;
+
+    /**
+     * A callback that fires when the mouse leaves a link. Note that this can
+     * happen even when tooltipCallback hasn't fired for the link yet.
+     */
+    leave?(event: MouseEvent, text: string): void;
+
+    /**
+     * A callback to use instead of the default one.
+    */
+    urlRegex?: RegExp;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/LICENSE b/web/public/node_modules/@xterm/xterm/LICENSE
new file mode 100644
index 000000000..4472336c9
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/LICENSE
@@ -0,0 +1,21 @@
+Copyright (c) 2017-2019, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+Copyright (c) 2014-2016, SourceLair Private Company (https://www.sourcelair.com)
+Copyright (c) 2012-2013, Christopher Jeffrey (https://github.com/chjj/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/@xterm/xterm/README.md b/web/public/node_modules/@xterm/xterm/README.md
new file mode 100644
index 000000000..b055ea7b7
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/README.md
@@ -0,0 +1,235 @@
+# [![xterm.js logo](logo-full.png)](https://xtermjs.org)
+
+Xterm.js is a front-end component written in TypeScript that lets applications bring fully-featured terminals to their users in the browser. It's used by popular projects such as VS Code, Hyper and Theia.
+
+## Features
+
+- **Terminal apps just work**: Xterm.js works with most terminal apps such as `bash`, `vim`, and `tmux`, including support for curses-based apps and mouse events.
+- **Performant**: Xterm.js is *really* fast, it even includes a GPU-accelerated renderer.
+- **Rich Unicode support**: Supports CJK, emojis, and IMEs.
+- **Self-contained**: Requires zero dependencies to work.
+- **Accessible**: Screen reader and minimum contrast ratio support can be turned on.
+- **And much more**: Links, theming, addons, well documented API, etc.
+
+## What xterm.js is not
+
+- Xterm.js is not a terminal application that you can download and use on your computer.
+- Xterm.js is not `bash`. Xterm.js can be connected to processes like `bash` and let you interact with them (provide input, receive output).
+
+## Getting Started
+
+First, you need to install the module, we ship exclusively through [npm](https://www.npmjs.com/), so you need that installed and then add xterm.js as a dependency by running:
+
+```bash
+npm install @xterm/xterm
+```
+
+To start using xterm.js on your browser, add the `xterm.js` and `xterm.css` to the head of your HTML page. Then create a `<div id="terminal"></div>` onto which xterm can attach itself. Finally, instantiate the `Terminal` object and then call the `open` function with the DOM object of the `div`.
+
+```html
+<!doctype html>
+  <html>
+    <head>
+      <link rel="stylesheet" href="node_modules/@xterm/xterm/css/xterm.css" />
+      <script src="node_modules/@xterm/xterm/lib/xterm.js"></script>
+    </head>
+    <body>
+      <div id="terminal"></div>
+      <script>
+        var term = new Terminal();
+        term.open(document.getElementById('terminal'));
+        term.write('Hello from \x1B[1;3;31mxterm.js\x1B[0m $ ')
+      </script>
+    </body>
+  </html>
+```
+
+### Importing
+
+The recommended way to load xterm.js is via the ES6 module syntax:
+
+```javascript
+import { Terminal } from '@xterm/xterm';
+```
+
+### Addons
+
+⚠️ *This section describes the new addon format introduced in v3.14.0, see [here](https://github.com/xtermjs/xterm.js/blob/3.14.2/README.md#addons) for the instructions on the old format*
+
+Addons are separate modules that extend the `Terminal` by building on the [xterm.js API](https://github.com/xtermjs/xterm.js/blob/master/typings/xterm.d.ts). To use an addon, you first need to install it in your project:
+
+```bash
+npm i -S @xterm/addon-web-links
+```
+
+Then import the addon, instantiate it and call `Terminal.loadAddon`:
+
+```ts
+import { Terminal } from '@xterm/xterm';
+import { WebLinksAddon } from '@xterm/addon-web-links';
+
+const terminal = new Terminal();
+// Load WebLinksAddon on terminal, this is all that's needed to get web links
+// working in the terminal.
+terminal.loadAddon(new WebLinksAddon());
+```
+
+The xterm.js team maintains the following addons, but anyone can build them:
+
+- [`@xterm/addon-attach`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-attach): Attaches to a server running a process via a websocket
+- [`@xterm/addon-canvas`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-canvas): Renders xterm.js using a `canvas` element's 2d context
+- [`@xterm/addon-fit`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-fit): Fits the terminal to the containing element
+- [`@xterm/addon-image`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-image): Adds image support
+- [`@xterm/addon-search`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-search): Adds search functionality
+- [`@xterm/addon-serialize`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-serialize): Serializes the terminal's buffer to a VT sequences or HTML
+- [`@xterm/addon-unicode11`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-unicode11): Updates character widths to their unicode11 values
+- [`@xterm/addon-web-links`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-web-links): Adds web link detection and interaction
+- [`@xterm/addon-webgl`](https://github.com/xtermjs/xterm.js/tree/master/addons/addon-webgl): Renders xterm.js using a `canvas` element's webgl2 context
+
+## Browser Support
+
+Since xterm.js is typically implemented as a developer tool, only modern browsers are supported officially. Specifically the latest versions of *Chrome*, *Edge*, *Firefox*, and *Safari*.
+
+Xterm.js works seamlessly in [Electron](https://electronjs.org/) apps and may even work on earlier versions of the browsers. These are the versions we strive to keep working.
+
+### Node.js Support
+
+We also publish [`xterm-headless`](https://www.npmjs.com/package/xterm-headless) which is a stripped down version of xterm.js that runs in Node.js. An example use case for this is to keep track of a terminal's state where the process is running and using the serialize addon so it can get all state restored upon reconnection.
+
+## API
+
+The full API for xterm.js is contained within the [TypeScript declaration file](https://github.com/xtermjs/xterm.js/blob/master/typings/xterm.d.ts), use the branch/tag picker in GitHub (`w`) to navigate to the correct version of the API.
+
+Note that some APIs are marked *experimental*, these are added to enable experimentation with new ideas without committing to support it like a normal [semver](https://semver.org/) API. Note that these APIs can change radically between versions, so be sure to read release notes if you plan on using experimental APIs.
+
+## Releases
+
+Xterm.js follows a monthly release cycle roughly.
+
+All current and past releases are available on this repo's [Releases page](https://github.com/sourcelair/xterm.js/releases), you can view the [high-level roadmap on the wiki](https://github.com/xtermjs/xterm.js/wiki/Roadmap) and see what we're working on now by looking through [Milestones](https://github.com/sourcelair/xterm.js/milestones).
+
+### Beta builds
+
+Our CI releases beta builds to npm for every change that goes into master. Install the latest beta build with:
+
+```bash
+npm install -S @xterm/xterm@beta
+```
+
+These should generally be stable, but some bugs may slip in. We recommend using the beta build primarily to test out new features and to verify bug fixes.
+
+## Contributing
+
+You can read the [guide on the wiki](https://github.com/xtermjs/xterm.js/wiki/Contributing) to learn how to contribute and set up xterm.js for development.
+
+## Real-world uses
+Xterm.js is used in several world-class applications to provide great terminal experiences.
+
+- [**SourceLair**](https://www.sourcelair.com/): In-browser IDE that provides its users with fully-featured Linux terminals based on xterm.js.
+- [**Microsoft Visual Studio Code**](http://code.visualstudio.com/): Modern, versatile, and powerful open source code editor that provides an integrated terminal based on xterm.js.
+- [**ttyd**](https://github.com/tsl0922/ttyd): A command-line tool for sharing terminal over the web, with fully-featured terminal emulation based on xterm.js.
+- [**Katacoda**](https://www.katacoda.com/): Katacoda is an Interactive Learning Platform for software developers, covering the latest Cloud Native technologies.
+- [**Eclipse Che**](http://www.eclipse.org/che): Developer workspace server, cloud IDE, and Eclipse next-generation IDE.
+- [**Codenvy**](http://www.codenvy.com): Cloud workspaces for development teams.
+- [**CoderPad**](https://coderpad.io): Online interviewing platform for programmers. Run code in many programming languages, with results displayed by xterm.js.
+- [**WebSSH2**](https://github.com/billchurch/WebSSH2): A web based SSH2 client using xterm.js, socket.io, and ssh2.
+- [**Spyder Terminal**](https://github.com/spyder-ide/spyder-terminal): A full fledged system terminal embedded on Spyder IDE.
+- [**Cloud Commander**](https://cloudcmd.io "Cloud Commander"): Orthodox web file manager with console and editor.
+- [**Next Tech**](https://next.tech "Next Tech"): Online platform for interactive coding and web development courses. Live container-backed terminal uses xterm.js.
+- [**RStudio**](https://www.rstudio.com/products/RStudio "RStudio"): RStudio is an integrated development environment (IDE) for R.
+- [**Terminal for Atom**](https://github.com/jsmecham/atom-terminal-tab): A simple terminal for the Atom text editor.
+- [**Eclipse Orion**](https://orionhub.org): A modern, open source software development environment that runs in the cloud. Code, deploy, and run in the cloud.
+- [**Gravitational Teleport**](https://github.com/gravitational/teleport): Gravitational Teleport is a modern SSH server for remotely accessing clusters of Linux servers via SSH or HTTPS.
+- [**Hexlet**](https://en.hexlet.io): Practical programming courses (JavaScript, PHP, Unix, databases, functional programming). A steady path from the first line of code to the first job.
+- [**Selenoid UI**](https://github.com/aerokube/selenoid-ui): Simple UI for the scalable golang implementation of Selenium Hub named Selenoid. We use XTerm for streaming logs over websockets from docker containers.
+- [**Portainer**](https://portainer.io): Simple management UI for Docker.
+- [**SSHy**](https://github.com/stuicey/SSHy): HTML5 Based SSHv2 Web Client with E2E encryption utilising xterm.js, SJCL & websockets.
+- [**JupyterLab**](https://github.com/jupyterlab/jupyterlab): An extensible computational environment for Jupyter, supporting interactive data science and scientific computing across all programming languages.
+- [**Theia**](https://github.com/theia-ide/theia): Theia is a cloud & desktop IDE framework implemented in TypeScript.
+- [**Opshell**](https://github.com/ricktbaker/opshell) Ops Helper tool to make life easier working with AWS instances across multiple organizations.
+- [**Proxmox VE**](https://www.proxmox.com/en/proxmox-ve): Proxmox VE is a complete open-source platform for enterprise virtualization. It uses xterm.js for container terminals and the host shell.
+- [**Script Runner**](https://github.com/ioquatix/script-runner): Run scripts (or a shell) in Atom.
+- [**Whack Whack Terminal**](https://github.com/Microsoft/WhackWhackTerminal): Terminal emulator for Visual Studio 2017.
+- [**VTerm**](https://github.com/vterm/vterm): Extensible terminal emulator based on Electron and React.
+- [**electerm**](http://electerm.html5beta.com): electerm is a terminal/ssh/sftp client(mac, win, linux) based on electron/node-pty/xterm.
+- [**Kubebox**](https://github.com/astefanutti/kubebox): Terminal console for Kubernetes clusters.
+- [**Azure Cloud Shell**](https://shell.azure.com): Azure Cloud Shell is a Microsoft-managed admin machine built on Azure, for Azure.
+- [**atom-xterm**](https://atom.io/packages/atom-xterm): Atom plugin for providing terminals inside your Atom workspace.
+- [**rtty**](https://github.com/zhaojh329/rtty): Access your terminals from anywhere via the web.
+- [**Pisth**](https://github.com/ColdGrub1384/Pisth): An SFTP and SSH client for iOS.
+- [**abstruse**](https://github.com/bleenco/abstruse): Abstruse CI is a continuous integration platform based on Node.JS and Docker.
+- [**Azure Data Studio**](https://github.com/Microsoft/azuredatastudio): A data management tool that enables working with SQL Server, Azure SQL DB and SQL DW from Windows, macOS and Linux.
+- [**FreeMAN**](https://github.com/matthew-matvei/freeman): A free, cross-platform file manager for power users.
+- [**Fluent Terminal**](https://github.com/felixse/FluentTerminal): A terminal emulator based on UWP and web technologies.
+- [**Hyper**](https://hyper.is): A terminal built on web technologies.
+- [**Diag**](https://diag.ai): A better way to troubleshoot problems faster. Capture, share and reapply troubleshooting knowledge so you can focus on solving problems that matter.
+- [**GoTTY**](https://github.com/sorenisanerd/gotty): A simple command line tool that shares your terminal as a web application based on xterm.js.
+- [**genact**](https://github.com/svenstaro/genact): A nonsense activity generator.
+- [**cPanel & WHM**](https://cpanel.com): The hosting platform of choice.
+- [**Nutanix**](https://github.com/nutanix): Nutanix Enterprise Cloud uses xterm in the webssh functionality within Nutanix Calm, and is also looking to move our old noserial (termjs) functionality to xterm.js.
+- [**SSH Web Client**](https://github.com/roke22/PHP-SSH2-Web-Client): SSH Web Client with PHP.
+- [**Juno**](http://junolab.org/): A flexible Julia IDE, based on Atom.
+- [**webssh**](https://github.com/huashengdun/webssh): Web based ssh client.
+- [**info-beamer hosted**](https://info-beamer.com): Uses xterm.js to manage digital signage devices from the web dashboard.
+- [**Jumpserver**](https://github.com/jumpserver/luna): Jumpserver Luna project, Jumpserver is a bastion server project, Luna use xterm.js for web terminal emulation.
+- [**LxdMosaic**](https://github.com/turtle0x1/LxdMosaic): Uses xterm.js to give terminal access to containers through LXD
+- [**CodeInterview.io**](https://codeinterview.io): A coding interview platform in 25+ languages and many web frameworks. Uses xterm.js to provide shell access.
+- [**Bastillion**](https://www.bastillion.io): Bastillion is an open-source web-based SSH console that centrally manages administrative access to systems.
+- [**PHP App Server**](https://github.com/cubiclesoft/php-app-server/): Create lightweight, installable almost-native applications for desktop OSes.  ExecTerminal (nicely wraps the xterm.js Terminal), TerminalManager, and RunProcessSDK are self-contained, reusable ES5+ compliant Javascript components.
+- [**NgTerminal**](https://github.com/qwefgh90/ng-terminal): NgTerminal is a web terminal that leverages xterm.js on Angular 7+. You can easily add it into your application by adding `<ng-terminal></ng-terminal>` into your component.
+- [**tty-share**](https://tty-share.com): Extremely simple terminal sharing over the Internet.
+- [**Ten Hands**](https://github.com/saisandeepvaddi/ten-hands): One place to run your command-line tasks.
+- [**WebAssembly.sh**](https://webassembly.sh): A WebAssembly WASI browser terminal
+- [**Gus**](https://gus.jp): A shared coding pad where you can run Python with xterm.js
+- [**Linode**](https://linode.com): Linode uses xterm.js to provide users a web console for their Linode instances.
+- [**FluffOS**](https://www.fluffos.info): Active maintained LPMUD driver with websocket support.
+- [**x-terminal**](https://atom.io/packages/x-terminal): Atom plugin for providing terminals inside your Atom workspace.
+- [**CoCalc**](https://cocalc.com/): Lots of free software pre-installed, to chat, collaborate, develop, program, publish, research, share, teach, in C++, HTML, Julia, Jupyter, LaTeX, Markdown, Python, R, SageMath, Scala, ...
+- [**Dank Domain**](https://www.DDgame.us/): Open source multiuser medieval game supporting old & new terminal emulation.
+- [**DockerStacks**](https://docker-stacks.com/): Local LAMP/LEMP development studio
+- [**Codecademy**](https://codecademy.com/): Uses xterm.js in its courses on Bash.
+- [**Laravel Ssh Web Client**](https://github.com/roke22/Laravel-ssh-client): Laravel server inventory with ssh web client to connect at server using xterm.js
+- [**Replit**](https://replit.com): Collaborative browser based IDE with support for 50+ different languages.
+- [**TeleType**](https://github.com/akshaykmr/TeleType): cli tool that allows you to share your terminal online conveniently. Show off mad cli-fu, help a colleague, teach, or troubleshoot.
+- [**Intervue**](https://www.intervue.io): Pair programming for interviews. Multiple programming languages are supported, with results displayed by xterm.js.
+- [**TRASA**](https://trasa.io): Zero trust access to Web, SSH, RDP, and Database services.
+- [**Commas**](https://github.com/CyanSalt/commas): Commas is a hackable terminal and command runner.
+- [**Devtron**](https://github.com/devtron-labs/devtron): Software Delivery Workflow For Kubernetes.
+- [**NxShell**](https://github.com/nxshell/nxshell): An easy to use new terminal for SSH.
+- [**gifcast**](https://dstein64.github.io/gifcast/): Converts an asciinema cast to an animated GIF.
+- [**WizardWebssh**](https://gitlab.com/mikeramsey/wizardwebssh): A terminal with Pyqt5 Widget for embedding, which can be used as an ssh client to connect to your ssh servers. It is written in Python, based on tornado, paramiko, and xterm.js.
+- [**Wizard Assistant**](https://wizardassistant.com/): Wizard Assistant comes with advanced automation tools, preloaded common and special time-saving commands, and a built-in SSH terminal. Now you can remotely administer, troubleshoot, and analyze any system with ease.
+- [**ucli**](https://github.com/tsadarsh/ucli): Command Line for everyone :family_man_woman_girl_boy: at [www.ucli.tech](https://www.ucli.tech).
+- [**Tess**](https://github.com/SquitchYT/Tess/): Simple Terminal Fully Customizable for Everyone. Discover more at [tessapp.dev](https://tessapp.dev)
+- [**HashiCorp Nomad**](https://www.nomadproject.io/): A container orchestrator with the ability to connect to remote tasks via a web interface using websockets and xterm.js.
+- [**TermPair**](https://github.com/cs01/termpair): View and control terminals from your browser with end-to-end encryption
+- [**gdbgui**](https://github.com/cs01/gdbgui): Browser-based frontend to gdb (gnu debugger)
+- [**goormIDE**](https://ide.goorm.io/): Run almost every programming languages with real-time collaboration, live pair programming, and built-in messenger.
+- [**FleetDeck**](https://fleetdeck.io): Remote desktop & virtual terminal
+- [**OpenSumi**](https://github.com/opensumi/core): A framework helps you quickly build Cloud or Desktop IDE products.
+- [**KubeSail**](https://kubesail.com): The Self-Hosting Company - uses xterm to allow users to exec into kubernetes pods and build github apps
+- [**WiTTY**](https://github.com/syssecfsu/witty): Web-based interactive terminal emulator that allows users to easily record, share, and replay console sessions.
+- [**libv86 Terminal Forwarding**](https://github.com/hello-smile6/libv86-terminal-forwarding): Peer-to-peer SSH for the web, using WebRTC via [Bugout](https://github.com/chr15m/bugout) for data transfer and [v86](https://github.com/copy/v86) for web-based virtualization.
+- [**hack.courses**](https://hack.courses): Interactive Linux and command-line classes using xterm.js to expose a real terminal available for everyone.
+- [**Render**](https://render.com): Platform-as-a-service for your apps, websites, and databases using xterm.js to provide a command prompt for user containers and for streaming build and runtime logs.
+- [**CloudTTY**](https://github.com/cloudtty/cloudtty): A Friendly Kubernetes CloudShell (Web Terminal).
+- [**Go SSH Web Client**](https://github.com/wuchihsu/go-ssh-web-client): A simple SSH web client using Go, WebSocket and Xterm.js.
+- [**web3os**](https://web3os.sh): A decentralized operating system for the next web
+- [**Cratecode**](https://cratecode.com): Learn to program for free through interactive online lessons. Cratecode uses xterm.js to give users access to their own Linux environment.
+- [**Super Terminal**](https://github.com/bugwheels94/super-terminal): It is a http based terminal for developers who dont like repetition and save time.
+- [**graSSHopper**](https://grasshopper.coding.kiwi): A simple SSH client with file explorer, history and many more features.
+- [**DomTerm**](https://domterm.org/xtermjs.html): Tiles and tabs. Detachable sessions (like tmux). [Remote connections](https://domterm.org/Remoting-over-ssh.html) using a nice ssh wrapper with predictive echo. Qt, Electron, Tauri/Wry, or desktop browser front-ends. Choose between xterm.js engine (faster) or native DomTerm (more functionality and graphics) - or both.
+- [**Cloudtutor.io**](https://cloudtutor.io): innovative online learning platform that offers users access to an interactive lab.
+- [**Helix Editor Playground**](https://github.com/tomgroenwoldt/helix-editor-playground): Online playground for the terminal based helix editor.
+- [**Coder**](https://github.com/coder/coder): Self-Hosted Remote Development Environments
+- [And much more...](https://github.com/xtermjs/xterm.js/network/dependents?package_id=UGFja2FnZS0xNjYzMjc4OQ%3D%3D)
+
+Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it on our list. Note: Please add any new contributions to the end of the list only.
+
+## License Agreement
+
+If you contribute code to this project, you implicitly allow your code to be distributed under the MIT license. You are also implicitly verifying that all code is your original work.
+
+Copyright (c) 2017-2022, [The xterm.js authors](https://github.com/xtermjs/xterm.js/graphs/contributors) (MIT License)<br>
+Copyright (c) 2014-2017, SourceLair, Private Company ([www.sourcelair.com](https://www.sourcelair.com/home)) (MIT License)<br>
+Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
diff --git a/web/public/node_modules/@xterm/xterm/css/xterm.css b/web/public/node_modules/@xterm/xterm/css/xterm.css
new file mode 100644
index 000000000..e97b64390
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/css/xterm.css
@@ -0,0 +1,218 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ * @license MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/**
+ *  Default styles for xterm.js
+ */
+
+.xterm {
+    cursor: text;
+    position: relative;
+    user-select: none;
+    -ms-user-select: none;
+    -webkit-user-select: none;
+}
+
+.xterm.focus,
+.xterm:focus {
+    outline: none;
+}
+
+.xterm .xterm-helpers {
+    position: absolute;
+    top: 0;
+    /**
+     * The z-index of the helpers must be higher than the canvases in order for
+     * IMEs to appear on top.
+     */
+    z-index: 5;
+}
+
+.xterm .xterm-helper-textarea {
+    padding: 0;
+    border: 0;
+    margin: 0;
+    /* Move textarea out of the screen to the far left, so that the cursor is not visible */
+    position: absolute;
+    opacity: 0;
+    left: -9999em;
+    top: 0;
+    width: 0;
+    height: 0;
+    z-index: -5;
+    /** Prevent wrapping so the IME appears against the textarea at the correct position */
+    white-space: nowrap;
+    overflow: hidden;
+    resize: none;
+}
+
+.xterm .composition-view {
+    /* TODO: Composition position got messed up somewhere */
+    background: #000;
+    color: #FFF;
+    display: none;
+    position: absolute;
+    white-space: nowrap;
+    z-index: 1;
+}
+
+.xterm .composition-view.active {
+    display: block;
+}
+
+.xterm .xterm-viewport {
+    /* On OS X this is required in order for the scroll bar to appear fully opaque */
+    background-color: #000;
+    overflow-y: scroll;
+    cursor: default;
+    position: absolute;
+    right: 0;
+    left: 0;
+    top: 0;
+    bottom: 0;
+}
+
+.xterm .xterm-screen {
+    position: relative;
+}
+
+.xterm .xterm-screen canvas {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
+.xterm .xterm-scroll-area {
+    visibility: hidden;
+}
+
+.xterm-char-measure-element {
+    display: inline-block;
+    visibility: hidden;
+    position: absolute;
+    top: 0;
+    left: -9999em;
+    line-height: normal;
+}
+
+.xterm.enable-mouse-events {
+    /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+    cursor: default;
+}
+
+.xterm.xterm-cursor-pointer,
+.xterm .xterm-cursor-pointer {
+    cursor: pointer;
+}
+
+.xterm.column-select.focus {
+    /* Column selection mode */
+    cursor: crosshair;
+}
+
+.xterm .xterm-accessibility:not(.debug),
+.xterm .xterm-message {
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    z-index: 10;
+    color: transparent;
+    pointer-events: none;
+}
+
+.xterm .xterm-accessibility-tree:not(.debug) *::selection {
+  color: transparent;
+}
+
+.xterm .xterm-accessibility-tree {
+  user-select: text;
+  white-space: pre;
+}
+
+.xterm .live-region {
+    position: absolute;
+    left: -9999px;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+}
+
+.xterm-dim {
+    /* Dim should not apply to background, so the opacity of the foreground color is applied
+     * explicitly in the generated class and reset to 1 here */
+    opacity: 1 !important;
+}
+
+.xterm-underline-1 { text-decoration: underline; }
+.xterm-underline-2 { text-decoration: double underline; }
+.xterm-underline-3 { text-decoration: wavy underline; }
+.xterm-underline-4 { text-decoration: dotted underline; }
+.xterm-underline-5 { text-decoration: dashed underline; }
+
+.xterm-overline {
+    text-decoration: overline;
+}
+
+.xterm-overline.xterm-underline-1 { text-decoration: overline underline; }
+.xterm-overline.xterm-underline-2 { text-decoration: overline double underline; }
+.xterm-overline.xterm-underline-3 { text-decoration: overline wavy underline; }
+.xterm-overline.xterm-underline-4 { text-decoration: overline dotted underline; }
+.xterm-overline.xterm-underline-5 { text-decoration: overline dashed underline; }
+
+.xterm-strikethrough {
+    text-decoration: line-through;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration {
+	z-index: 6;
+	position: absolute;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration.xterm-decoration-top-layer {
+	z-index: 7;
+}
+
+.xterm-decoration-overview-ruler {
+    z-index: 8;
+    position: absolute;
+    top: 0;
+    right: 0;
+    pointer-events: none;
+}
+
+.xterm-decoration-top {
+    z-index: 2;
+    position: relative;
+}
diff --git a/web/public/node_modules/@xterm/xterm/lib/xterm.js b/web/public/node_modules/@xterm/xterm/lib/xterm.js
new file mode 100644
index 000000000..7ca75f8e5
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/lib/xterm.js
@@ -0,0 +1,2 @@
+!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var i=t();for(var s in i)("object"==typeof exports?exports:e)[s]=i[s]}}(globalThis,(()=>(()=>{"use strict";var e={4567:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.AccessibilityManager=void 0;const n=i(9042),o=i(9924),a=i(844),h=i(4725),c=i(2585),l=i(3656);let d=t.AccessibilityManager=class extends a.Disposable{constructor(e,t,i,s){super(),this._terminal=e,this._coreBrowserService=i,this._renderService=s,this._rowColumns=new WeakMap,this._liveRegionLineCount=0,this._charsToConsume=[],this._charsToAnnounce="",this._accessibilityContainer=this._coreBrowserService.mainDocument.createElement("div"),this._accessibilityContainer.classList.add("xterm-accessibility"),this._rowContainer=this._coreBrowserService.mainDocument.createElement("div"),this._rowContainer.setAttribute("role","list"),this._rowContainer.classList.add("xterm-accessibility-tree"),this._rowElements=[];for(let e=0;e<this._terminal.rows;e++)this._rowElements[e]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[e]);if(this._topBoundaryFocusListener=e=>this._handleBoundaryFocus(e,0),this._bottomBoundaryFocusListener=e=>this._handleBoundaryFocus(e,1),this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions(),this._accessibilityContainer.appendChild(this._rowContainer),this._liveRegion=this._coreBrowserService.mainDocument.createElement("div"),this._liveRegion.classList.add("live-region"),this._liveRegion.setAttribute("aria-live","assertive"),this._accessibilityContainer.appendChild(this._liveRegion),this._liveRegionDebouncer=this.register(new o.TimeBasedDebouncer(this._renderRows.bind(this))),!this._terminal.element)throw new Error("Cannot enable accessibility before Terminal.open");this._terminal.element.insertAdjacentElement("afterbegin",this._accessibilityContainer),this.register(this._terminal.onResize((e=>this._handleResize(e.rows)))),this.register(this._terminal.onRender((e=>this._refreshRows(e.start,e.end)))),this.register(this._terminal.onScroll((()=>this._refreshRows()))),this.register(this._terminal.onA11yChar((e=>this._handleChar(e)))),this.register(this._terminal.onLineFeed((()=>this._handleChar("\n")))),this.register(this._terminal.onA11yTab((e=>this._handleTab(e)))),this.register(this._terminal.onKey((e=>this._handleKey(e.key)))),this.register(this._terminal.onBlur((()=>this._clearLiveRegion()))),this.register(this._renderService.onDimensionsChange((()=>this._refreshRowsDimensions()))),this.register((0,l.addDisposableDomListener)(document,"selectionchange",(()=>this._handleSelectionChange()))),this.register(this._coreBrowserService.onDprChange((()=>this._refreshRowsDimensions()))),this._refreshRows(),this.register((0,a.toDisposable)((()=>{this._accessibilityContainer.remove(),this._rowElements.length=0})))}_handleTab(e){for(let t=0;t<e;t++)this._handleChar(" ")}_handleChar(e){this._liveRegionLineCount<21&&(this._charsToConsume.length>0?this._charsToConsume.shift()!==e&&(this._charsToAnnounce+=e):this._charsToAnnounce+=e,"\n"===e&&(this._liveRegionLineCount++,21===this._liveRegionLineCount&&(this._liveRegion.textContent+=n.tooMuchOutput)))}_clearLiveRegion(){this._liveRegion.textContent="",this._liveRegionLineCount=0}_handleKey(e){this._clearLiveRegion(),/\p{Control}/u.test(e)||this._charsToConsume.push(e)}_refreshRows(e,t){this._liveRegionDebouncer.refresh(e,t,this._terminal.rows)}_renderRows(e,t){const i=this._terminal.buffer,s=i.lines.length.toString();for(let r=e;r<=t;r++){const e=i.lines.get(i.ydisp+r),t=[],n=e?.translateToString(!0,void 0,void 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t={node:e.anchorNode,offset:e.anchorOffset},i={node:e.focusNode,offset:e.focusOffset};if((t.node.compareDocumentPosition(i.node)&Node.DOCUMENT_POSITION_PRECEDING||t.node===i.node&&t.offset>i.offset)&&([t,i]=[i,t]),t.node.compareDocumentPosition(this._rowElements[0])&(Node.DOCUMENT_POSITION_CONTAINED_BY|Node.DOCUMENT_POSITION_FOLLOWING)&&(t={node:this._rowElements[0].childNodes[0],offset:0}),!this._rowContainer.contains(t.node))return;const s=this._rowElements.slice(-1)[0];if(i.node.compareDocumentPosition(s)&(Node.DOCUMENT_POSITION_CONTAINED_BY|Node.DOCUMENT_POSITION_PRECEDING)&&(i={node:s,offset:s.textContent?.length??0}),!this._rowContainer.contains(i.node))return;const r=({node:e,offset:t})=>{const i=e instanceof Text?e.parentNode:e;let s=parseInt(i?.getAttribute("aria-posinset"),10)-1;if(isNaN(s))return console.warn("row is invalid. 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Race condition?"),null;let n=t<r.length?r[t]:r.slice(-1)[0]+1;return n>=this._terminal.cols&&(++s,n=0),{row:s,column:n}},n=r(t),o=r(i);if(n&&o){if(n.row>o.row||n.row===o.row&&n.column>=o.column)throw new Error("invalid range");this._terminal.select(n.column,n.row,(o.row-n.row)*this._terminal.cols-n.column+o.column)}}_handleResize(e){this._rowElements[this._rowElements.length-1].removeEventListener("focus",this._bottomBoundaryFocusListener);for(let e=this._rowContainer.children.length;e<this._terminal.rows;e++)this._rowElements[e]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[e]);for(;this._rowElements.length>e;)this._rowContainer.removeChild(this._rowElements.pop());this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions()}_createAccessibilityTreeNode(){const e=this._coreBrowserService.mainDocument.createElement("div");return 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this._refreshCallbacks)e(0);this._refreshCallbacks=[]}}},3236:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.Terminal=void 0;const s=i(3614),r=i(3656),n=i(3551),o=i(9042),a=i(3730),h=i(1680),c=i(3107),l=i(5744),d=i(2950),_=i(1296),u=i(428),f=i(4269),v=i(5114),p=i(8934),g=i(3230),m=i(9312),S=i(4725),C=i(6731),b=i(8055),w=i(8969),y=i(8460),E=i(844),k=i(6114),L=i(8437),D=i(2584),R=i(7399),x=i(5941),A=i(9074),B=i(2585),T=i(5435),M=i(4567),O=i(779);class P extends w.CoreTerminal{get onFocus(){return this._onFocus.event}get onBlur(){return this._onBlur.event}get onA11yChar(){return this._onA11yCharEmitter.event}get onA11yTab(){return this._onA11yTabEmitter.event}get onWillOpen(){return this._onWillOpen.event}constructor(e={}){super(e),this.browser=k,this._keyDownHandled=!1,this._keyDownSeen=!1,this._keyPressHandled=!1,this._unprocessedDeadKey=!1,this._accessibilityManager=this.register(new E.MutableDisposable),this._onCursorMove=this.register(new y.EventEmitter),this.onCursorMove=this._onCursorMove.event,this._onKey=this.register(new y.EventEmitter),this.onKey=this._onKey.event,this._onRender=this.register(new y.EventEmitter),this.onRender=this._onRender.event,this._onSelectionChange=this.register(new y.EventEmitter),this.onSelectionChange=this._onSelectionChange.event,this._onTitleChange=this.register(new y.EventEmitter),this.onTitleChange=this._onTitleChange.event,this._onBell=this.register(new y.EventEmitter),this.onBell=this._onBell.event,this._onFocus=this.register(new y.EventEmitter),this._onBlur=this.register(new y.EventEmitter),this._onA11yCharEmitter=this.register(new y.EventEmitter),this._onA11yTabEmitter=this.register(new y.EventEmitter),this._onWillOpen=this.register(new y.EventEmitter),this._setup(),this._decorationService=this._instantiationService.createInstance(A.DecorationService),this._instantiationService.setService(B.IDecorationService,this._decorationService),this._linkProviderService=this._instantiationService.createInstance(O.LinkProviderService),this._instantiationService.setService(S.ILinkProviderService,this._linkProviderService),this._linkProviderService.registerLinkProvider(this._instantiationService.createInstance(a.OscLinkProvider)),this.register(this._inputHandler.onRequestBell((()=>this._onBell.fire()))),this.register(this._inputHandler.onRequestRefreshRows(((e,t)=>this.refresh(e,t)))),this.register(this._inputHandler.onRequestSendFocus((()=>this._reportFocus()))),this.register(this._inputHandler.onRequestReset((()=>this.reset()))),this.register(this._inputHandler.onRequestWindowsOptionsReport((e=>this._reportWindowsOptions(e)))),this.register(this._inputHandler.onColor((e=>this._handleColorEvent(e)))),this.register((0,y.forwardEvent)(this._inputHandler.onCursorMove,this._onCursorMove)),this.register((0,y.forwardEvent)(this._inputHandler.onTitleChange,this._onTitleChange)),this.register((0,y.forwardEvent)(this._inputHandler.onA11yChar,this._onA11yCharEmitter)),this.register((0,y.forwardEvent)(this._inputHandler.onA11yTab,this._onA11yTabEmitter)),this.register(this._bufferService.onResize((e=>this._afterResize(e.cols,e.rows)))),this.register((0,E.toDisposable)((()=>{this._customKeyEventHandler=void 0,this.element?.parentNode?.removeChild(this.element)})))}_handleColorEvent(e){if(this._themeService)for(const t of e){let e,i="";switch(t.index){case 256:e="foreground",i="10";break;case 257:e="background",i="11";break;case 258:e="cursor",i="12";break;default:e="ansi",i="4;"+t.index}switch(t.type){case 0:const s=b.color.toColorRGB("ansi"===e?this._themeService.colors.ansi[t.index]:this._themeService.colors[e]);this.coreService.triggerDataEvent(`${D.C0.ESC}]${i};${(0,x.toRgbString)(s)}${D.C1_ESCAPED.ST}`);break;case 1:if("ansi"===e)this._themeService.modifyColors((e=>e.ansi[t.index]=b.channels.toColor(...t.color)));else{const i=e;this._themeService.modifyColors((e=>e[i]=b.channels.toColor(...t.color)))}break;case 2:this._themeService.restoreColor(t.index)}}}_setup(){super._setup(),this._customKeyEventHandler=void 0}get buffer(){return this.buffers.active}focus(){this.textarea&&this.textarea.focus({preventScroll:!0})}_handleScreenReaderModeOptionChange(e){e?!this._accessibilityManager.value&&this._renderService&&(this._accessibilityManager.value=this._instantiationService.createInstance(M.AccessibilityManager,this)):this._accessibilityManager.clear()}_handleTextAreaFocus(e){this.coreService.decPrivateModes.sendFocus&&this.coreService.triggerDataEvent(D.C0.ESC+"[I"),this.element.classList.add("focus"),this._showCursor(),this._onFocus.fire()}blur(){return this.textarea?.blur()}_handleTextAreaBlur(){this.textarea.value="",this.refresh(this.buffer.y,this.buffer.y),this.coreService.decPrivateModes.sendFocus&&this.coreService.triggerDataEvent(D.C0.ESC+"[O"),this.element.classList.remove("focus"),this._onBlur.fire()}_syncTextArea(){if(!this.textarea||!this.buffer.isCursorInViewport||this._compositionHelper.isComposing||!this._renderService)return;const e=this.buffer.ybase+this.buffer.y,t=this.buffer.lines.get(e);if(!t)return;const i=Math.min(this.buffer.x,this.cols-1),s=this._renderService.dimensions.css.cell.height,r=t.getWidth(i),n=this._renderService.dimensions.css.cell.width*r,o=this.buffer.y*this._renderService.dimensions.css.cell.height,a=i*this._renderService.dimensions.css.cell.width;this.textarea.style.left=a+"px",this.textarea.style.top=o+"px",this.textarea.style.width=n+"px",this.textarea.style.height=s+"px",this.textarea.style.lineHeight=s+"px",this.textarea.style.zIndex="-5"}_initGlobal(){this._bindKeys(),this.register((0,r.addDisposableDomListener)(this.element,"copy",(e=>{this.hasSelection()&&(0,s.copyHandler)(e,this._selectionService)})));const e=e=>(0,s.handlePasteEvent)(e,this.textarea,this.coreService,this.optionsService);this.register((0,r.addDisposableDomListener)(this.textarea,"paste",e)),this.register((0,r.addDisposableDomListener)(this.element,"paste",e)),k.isFirefox?this.register((0,r.addDisposableDomListener)(this.element,"mousedown",(e=>{2===e.button&&(0,s.rightClickHandler)(e,this.textarea,this.screenElement,this._selectionService,this.options.rightClickSelectsWord)}))):this.register((0,r.addDisposableDomListener)(this.element,"contextmenu",(e=>{(0,s.rightClickHandler)(e,this.textarea,this.screenElement,this._selectionService,this.options.rightClickSelectsWord)}))),k.isLinux&&this.register((0,r.addDisposableDomListener)(this.element,"auxclick",(e=>{1===e.button&&(0,s.moveTextAreaUnderMouseCursor)(e,this.textarea,this.screenElement)})))}_bindKeys(){this.register((0,r.addDisposableDomListener)(this.textarea,"keyup",(e=>this._keyUp(e)),!0)),this.register((0,r.addDisposableDomListener)(this.textarea,"keydown",(e=>this._keyDown(e)),!0)),this.register((0,r.addDisposableDomListener)(this.textarea,"keypress",(e=>this._keyPress(e)),!0)),this.register((0,r.addDisposableDomListener)(this.textarea,"compositionstart",(()=>this._compositionHelper.compositionstart()))),this.register((0,r.addDisposableDomListener)(this.textarea,"compositionupdate",(e=>this._compositionHelper.compositionupdate(e)))),this.register((0,r.addDisposableDomListener)(this.textarea,"compositionend",(()=>this._compositionHelper.compositionend()))),this.register((0,r.addDisposableDomListener)(this.textarea,"input",(e=>this._inputEvent(e)),!0)),this.register(this.onRender((()=>this._compositionHelper.updateCompositionElements())))}open(e){if(!e)throw new Error("Terminal requires a parent element.");if(e.isConnected||this._logService.debug("Terminal.open was called on an element that was not attached to the DOM"),this.element?.ownerDocument.defaultView&&this._coreBrowserService)return void(this.element.ownerDocument.defaultView!==this._coreBrowserService.window&&(this._coreBrowserService.window=this.element.ownerDocument.defaultView));this._document=e.ownerDocument,this.options.documentOverride&&this.options.documentOverride instanceof Document&&(this._document=this.optionsService.rawOptions.documentOverride),this.element=this._document.createElement("div"),this.element.dir="ltr",this.element.classList.add("terminal"),this.element.classList.add("xterm"),e.appendChild(this.element);const t=this._document.createDocumentFragment();this._viewportElement=this._document.createElement("div"),this._viewportElement.classList.add("xterm-viewport"),t.appendChild(this._viewportElement),this._viewportScrollArea=this._document.createElement("div"),this._viewportScrollArea.classList.add("xterm-scroll-area"),this._viewportElement.appendChild(this._viewportScrollArea),this.screenElement=this._document.createElement("div"),this.screenElement.classList.add("xterm-screen"),this.register((0,r.addDisposableDomListener)(this.screenElement,"mousemove",(e=>this.updateCursorStyle(e)))),this._helperContainer=this._document.createElement("div"),this._helperContainer.classList.add("xterm-helpers"),this.screenElement.appendChild(this._helperContainer),t.appendChild(this.screenElement),this.textarea=this._document.createElement("textarea"),this.textarea.classList.add("xterm-helper-textarea"),this.textarea.setAttribute("aria-label",o.promptLabel),k.isChromeOS||this.textarea.setAttribute("aria-multiline","false"),this.textarea.setAttribute("autocorrect","off"),this.textarea.setAttribute("autocapitalize","off"),this.textarea.setAttribute("spellcheck","false"),this.textarea.tabIndex=0,this._coreBrowserService=this.register(this._instantiationService.createInstance(v.CoreBrowserService,this.textarea,e.ownerDocument.defaultView??window,this._document??"undefined"!=typeof window?window.document:null)),this._instantiationService.setService(S.ICoreBrowserService,this._coreBrowserService),this.register((0,r.addDisposableDomListener)(this.textarea,"focus",(e=>this._handleTextAreaFocus(e)))),this.register((0,r.addDisposableDomListener)(this.textarea,"blur",(()=>this._handleTextAreaBlur()))),this._helperContainer.appendChild(this.textarea),this._charSizeService=this._instantiationService.createInstance(u.CharSizeService,this._document,this._helperContainer),this._instantiationService.setService(S.ICharSizeService,this._charSizeService),this._themeService=this._instantiationService.createInstance(C.ThemeService),this._instantiationService.setService(S.IThemeService,this._themeService),this._characterJoinerService=this._instantiationService.createInstance(f.CharacterJoinerService),this._instantiationService.setService(S.ICharacterJoinerService,this._characterJoinerService),this._renderService=this.register(this._instantiationService.createInstance(g.RenderService,this.rows,this.screenElement)),this._instantiationService.setService(S.IRenderService,this._renderService),this.register(this._renderService.onRenderedViewportChange((e=>this._onRender.fire(e)))),this.onResize((e=>this._renderService.resize(e.cols,e.rows))),this._compositionView=this._document.createElement("div"),this._compositionView.classList.add("composition-view"),this._compositionHelper=this._instantiationService.createInstance(d.CompositionHelper,this.textarea,this._compositionView),this._helperContainer.appendChild(this._compositionView),this._mouseService=this._instantiationService.createInstance(p.MouseService),this._instantiationService.setService(S.IMouseService,this._mouseService),this.linkifier=this.register(this._instantiationService.createInstance(n.Linkifier,this.screenElement)),this.element.appendChild(t);try{this._onWillOpen.fire(this.element)}catch{}this._renderService.hasRenderer()||this._renderService.setRenderer(this._createRenderer()),this.viewport=this._instantiationService.createInstance(h.Viewport,this._viewportElement,this._viewportScrollArea),this.viewport.onRequestScrollLines((e=>this.scrollLines(e.amount,e.suppressScrollEvent,1))),this.register(this._inputHandler.onRequestSyncScrollBar((()=>this.viewport.syncScrollArea()))),this.register(this.viewport),this.register(this.onCursorMove((()=>{this._renderService.handleCursorMove(),this._syncTextArea()}))),this.register(this.onResize((()=>this._renderService.handleResize(this.cols,this.rows)))),this.register(this.onBlur((()=>this._renderService.handleBlur()))),this.register(this.onFocus((()=>this._renderService.handleFocus()))),this.register(this._renderService.onDimensionsChange((()=>this.viewport.syncScrollArea()))),this._selectionService=this.register(this._instantiationService.createInstance(m.SelectionService,this.element,this.screenElement,this.linkifier)),this._instantiationService.setService(S.ISelectionService,this._selectionService),this.register(this._selectionService.onRequestScrollLines((e=>this.scrollLines(e.amount,e.suppressScrollEvent)))),this.register(this._selectionService.onSelectionChange((()=>this._onSelectionChange.fire()))),this.register(this._selectionService.onRequestRedraw((e=>this._renderService.handleSelectionChanged(e.start,e.end,e.columnSelectMode)))),this.register(this._selectionService.onLinuxMouseSelection((e=>{this.textarea.value=e,this.textarea.focus(),this.textarea.select()}))),this.register(this._onScroll.event((e=>{this.viewport.syncScrollArea(),this._selectionService.refresh()}))),this.register((0,r.addDisposableDomListener)(this._viewportElement,"scroll",(()=>this._selectionService.refresh()))),this.register(this._instantiationService.createInstance(c.BufferDecorationRenderer,this.screenElement)),this.register((0,r.addDisposableDomListener)(this.element,"mousedown",(e=>this._selectionService.handleMouseDown(e)))),this.coreMouseService.areMouseEventsActive?(this._selectionService.disable(),this.element.classList.add("enable-mouse-events")):this._selectionService.enable(),this.options.screenReaderMode&&(this._accessibilityManager.value=this._instantiationService.createInstance(M.AccessibilityManager,this)),this.register(this.optionsService.onSpecificOptionChange("screenReaderMode",(e=>this._handleScreenReaderModeOptionChange(e)))),this.options.overviewRulerWidth&&(this._overviewRulerRenderer=this.register(this._instantiationService.createInstance(l.OverviewRulerRenderer,this._viewportElement,this.screenElement))),this.optionsService.onSpecificOptionChange("overviewRulerWidth",(e=>{!this._overviewRulerRenderer&&e&&this._viewportElement&&this.screenElement&&(this._overviewRulerRenderer=this.register(this._instantiationService.createInstance(l.OverviewRulerRenderer,this._viewportElement,this.screenElement)))})),this._charSizeService.measure(),this.refresh(0,this.rows-1),this._initGlobal(),this.bindMouse()}_createRenderer(){return this._instantiationService.createInstance(_.DomRenderer,this,this._document,this.element,this.screenElement,this._viewportElement,this._helperContainer,this.linkifier)}bindMouse(){const e=this,t=this.element;function i(t){const i=e._mouseService.getMouseReportCoords(t,e.screenElement);if(!i)return!1;let s,r;switch(t.overrideType||t.type){case"mousemove":r=32,void 0===t.buttons?(s=3,void 0!==t.button&&(s=t.button<3?t.button:3)):s=1&t.buttons?0:4&t.buttons?1:2&t.buttons?2:3;break;case"mouseup":r=0,s=t.button<3?t.button:3;break;case"mousedown":r=1,s=t.button<3?t.button:3;break;case"wheel":if(e._customWheelEventHandler&&!1===e._customWheelEventHandler(t))return!1;if(0===e.viewport.getLinesScrolled(t))return!1;r=t.deltaY<0?0:1,s=4;break;default:return!1}return!(void 0===r||void 0===s||s>4)&&e.coreMouseService.triggerMouseEvent({col:i.col,row:i.row,x:i.x,y:i.y,button:s,action:r,ctrl:t.ctrlKey,alt:t.altKey,shift:t.shiftKey})}const s={mouseup:null,wheel:null,mousedrag:null,mousemove:null},n={mouseup:e=>(i(e),e.buttons||(this._document.removeEventListener("mouseup",s.mouseup),s.mousedrag&&this._document.removeEventListener("mousemove",s.mousedrag)),this.cancel(e)),wheel:e=>(i(e),this.cancel(e,!0)),mousedrag:e=>{e.buttons&&i(e)},mousemove:e=>{e.buttons||i(e)}};this.register(this.coreMouseService.onProtocolChange((e=>{e?("debug"===this.optionsService.rawOptions.logLevel&&this._logService.debug("Binding to mouse events:",this.coreMouseService.explainEvents(e)),this.element.classList.add("enable-mouse-events"),this._selectionService.disable()):(this._logService.debug("Unbinding from mouse events."),this.element.classList.remove("enable-mouse-events"),this._selectionService.enable()),8&e?s.mousemove||(t.addEventListener("mousemove",n.mousemove),s.mousemove=n.mousemove):(t.removeEventListener("mousemove",s.mousemove),s.mousemove=null),16&e?s.wheel||(t.addEventListener("wheel",n.wheel,{passive:!1}),s.wheel=n.wheel):(t.removeEventListener("wheel",s.wheel),s.wheel=null),2&e?s.mouseup||(s.mouseup=n.mouseup):(this._document.removeEventListener("mouseup",s.mouseup),s.mouseup=null),4&e?s.mousedrag||(s.mousedrag=n.mousedrag):(this._document.removeEventListener("mousemove",s.mousedrag),s.mousedrag=null)}))),this.coreMouseService.activeProtocol=this.coreMouseService.activeProtocol,this.register((0,r.addDisposableDomListener)(t,"mousedown",(e=>{if(e.preventDefault(),this.focus(),this.coreMouseService.areMouseEventsActive&&!this._selectionService.shouldForceSelection(e))return i(e),s.mouseup&&this._document.addEventListener("mouseup",s.mouseup),s.mousedrag&&this._document.addEventListener("mousemove",s.mousedrag),this.cancel(e)}))),this.register((0,r.addDisposableDomListener)(t,"wheel",(e=>{if(!s.wheel){if(this._customWheelEventHandler&&!1===this._customWheelEventHandler(e))return!1;if(!this.buffer.hasScrollback){const t=this.viewport.getLinesScrolled(e);if(0===t)return;const i=D.C0.ESC+(this.coreService.decPrivateModes.applicationCursorKeys?"O":"[")+(e.deltaY<0?"A":"B");let s="";for(let e=0;e<Math.abs(t);e++)s+=i;return this.coreService.triggerDataEvent(s,!0),this.cancel(e,!0)}return this.viewport.handleWheel(e)?this.cancel(e):void 0}}),{passive:!1})),this.register((0,r.addDisposableDomListener)(t,"touchstart",(e=>{if(!this.coreMouseService.areMouseEventsActive)return this.viewport.handleTouchStart(e),this.cancel(e)}),{passive:!0})),this.register((0,r.addDisposableDomListener)(t,"touchmove",(e=>{if(!this.coreMouseService.areMouseEventsActive)return this.viewport.handleTouchMove(e)?void 0:this.cancel(e)}),{passive:!1}))}refresh(e,t){this._renderService?.refreshRows(e,t)}updateCursorStyle(e){this._selectionService?.shouldColumnSelect(e)?this.element.classList.add("column-select"):this.element.classList.remove("column-select")}_showCursor(){this.coreService.isCursorInitialized||(this.coreService.isCursorInitialized=!0,this.refresh(this.buffer.y,this.buffer.y))}scrollLines(e,t,i=0){1===i?(super.scrollLines(e,t,i),this.refresh(0,this.rows-1)):this.viewport?.scrollLines(e)}paste(e){(0,s.paste)(e,this.textarea,this.coreService,this.optionsService)}attachCustomKeyEventHandler(e){this._customKeyEventHandler=e}attachCustomWheelEventHandler(e){this._customWheelEventHandler=e}registerLinkProvider(e){return this._linkProviderService.registerLinkProvider(e)}registerCharacterJoiner(e){if(!this._characterJoinerService)throw new Error("Terminal must be opened first");const t=this._characterJoinerService.register(e);return this.refresh(0,this.rows-1),t}deregisterCharacterJoiner(e){if(!this._characterJoinerService)throw new Error("Terminal must be opened first");this._characterJoinerService.deregister(e)&&this.refresh(0,this.rows-1)}get markers(){return this.buffer.markers}registerMarker(e){return this.buffer.addMarker(this.buffer.ybase+this.buffer.y+e)}registerDecoration(e){return this._decorationService.registerDecoration(e)}hasSelection(){return!!this._selectionService&&this._selectionService.hasSelection}select(e,t,i){this._selectionService.setSelection(e,t,i)}getSelection(){return this._selectionService?this._selectionService.selectionText:""}getSelectionPosition(){if(this._selectionService&&this._selectionService.hasSelection)return{start:{x:this._selectionService.selectionStart[0],y:this._selectionService.selectionStart[1]},end:{x:this._selectionService.selectionEnd[0],y:this._selectionService.selectionEnd[1]}}}clearSelection(){this._selectionService?.clearSelection()}selectAll(){this._selectionService?.selectAll()}selectLines(e,t){this._selectionService?.selectLines(e,t)}_keyDown(e){if(this._keyDownHandled=!1,this._keyDownSeen=!0,this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;const t=this.browser.isMac&&this.options.macOptionIsMeta&&e.altKey;if(!t&&!this._compositionHelper.keydown(e))return this.options.scrollOnUserInput&&this.buffer.ybase!==this.buffer.ydisp&&this.scrollToBottom(),!1;t||"Dead"!==e.key&&"AltGraph"!==e.key||(this._unprocessedDeadKey=!0);const i=(0,R.evaluateKeyboardEvent)(e,this.coreService.decPrivateModes.applicationCursorKeys,this.browser.isMac,this.options.macOptionIsMeta);if(this.updateCursorStyle(e),3===i.type||2===i.type){const t=this.rows-1;return this.scrollLines(2===i.type?-t:t),this.cancel(e,!0)}return 1===i.type&&this.selectAll(),!!this._isThirdLevelShift(this.browser,e)||(i.cancel&&this.cancel(e,!0),!i.key||!!(e.key&&!e.ctrlKey&&!e.altKey&&!e.metaKey&&1===e.key.length&&e.key.charCodeAt(0)>=65&&e.key.charCodeAt(0)<=90)||(this._unprocessedDeadKey?(this._unprocessedDeadKey=!1,!0):(i.key!==D.C0.ETX&&i.key!==D.C0.CR||(this.textarea.value=""),this._onKey.fire({key:i.key,domEvent:e}),this._showCursor(),this.coreService.triggerDataEvent(i.key,!0),!this.optionsService.rawOptions.screenReaderMode||e.altKey||e.ctrlKey?this.cancel(e,!0):void(this._keyDownHandled=!0))))}_isThirdLevelShift(e,t){const i=e.isMac&&!this.options.macOptionIsMeta&&t.altKey&&!t.ctrlKey&&!t.metaKey||e.isWindows&&t.altKey&&t.ctrlKey&&!t.metaKey||e.isWindows&&t.getModifierState("AltGraph");return"keypress"===t.type?i:i&&(!t.keyCode||t.keyCode>47)}_keyUp(e){this._keyDownSeen=!1,this._customKeyEventHandler&&!1===this._customKeyEventHandler(e)||(function(e){return 16===e.keyCode||17===e.keyCode||18===e.keyCode}(e)||this.focus(),this.updateCursorStyle(e),this._keyPressHandled=!1)}_keyPress(e){let t;if(this._keyPressHandled=!1,this._keyDownHandled)return!1;if(this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(this.cancel(e),e.charCode)t=e.charCode;else if(null===e.which||void 0===e.which)t=e.keyCode;else{if(0===e.which||0===e.charCode)return!1;t=e.which}return!(!t||(e.altKey||e.ctrlKey||e.metaKey)&&!this._isThirdLevelShift(this.browser,e)||(t=String.fromCharCode(t),this._onKey.fire({key:t,domEvent:e}),this._showCursor(),this.coreService.triggerDataEvent(t,!0),this._keyPressHandled=!0,this._unprocessedDeadKey=!1,0))}_inputEvent(e){if(e.data&&"insertText"===e.inputType&&(!e.composed||!this._keyDownSeen)&&!this.optionsService.rawOptions.screenReaderMode){if(this._keyPressHandled)return!1;this._unprocessedDeadKey=!1;const t=e.data;return this.coreService.triggerDataEvent(t,!0),this.cancel(e),!0}return!1}resize(e,t){e!==this.cols||t!==this.rows?super.resize(e,t):this._charSizeService&&!this._charSizeService.hasValidSize&&this._charSizeService.measure()}_afterResize(e,t){this._charSizeService?.measure(),this.viewport?.syncScrollArea(!0)}clear(){if(0!==this.buffer.ybase||0!==this.buffer.y){this.buffer.clearAllMarkers(),this.buffer.lines.set(0,this.buffer.lines.get(this.buffer.ybase+this.buffer.y)),this.buffer.lines.length=1,this.buffer.ydisp=0,this.buffer.ybase=0,this.buffer.y=0;for(let e=1;e<this.rows;e++)this.buffer.lines.push(this.buffer.getBlankLine(L.DEFAULT_ATTR_DATA));this._onScroll.fire({position:this.buffer.ydisp,source:0}),this.viewport?.reset(),this.refresh(0,this.rows-1)}}reset(){this.options.rows=this.rows,this.options.cols=this.cols;const e=this._customKeyEventHandler;this._setup(),super.reset(),this._selectionService?.reset(),this._decorationService.reset(),this.viewport?.reset(),this._customKeyEventHandler=e,this.refresh(0,this.rows-1)}clearTextureAtlas(){this._renderService?.clearTextureAtlas()}_reportFocus(){this.element?.classList.contains("focus")?this.coreService.triggerDataEvent(D.C0.ESC+"[I"):this.coreService.triggerDataEvent(D.C0.ESC+"[O")}_reportWindowsOptions(e){if(this._renderService)switch(e){case T.WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:const e=this._renderService.dimensions.css.canvas.width.toFixed(0),t=this._renderService.dimensions.css.canvas.height.toFixed(0);this.coreService.triggerDataEvent(`${D.C0.ESC}[4;${t};${e}t`);break;case T.WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:const i=this._renderService.dimensions.css.cell.width.toFixed(0),s=this._renderService.dimensions.css.cell.height.toFixed(0);this.coreService.triggerDataEvent(`${D.C0.ESC}[6;${s};${i}t`)}}cancel(e,t){if(this.options.cancelEvents||t)return e.preventDefault(),e.stopPropagation(),!1}}t.Terminal=P},9924:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.TimeBasedDebouncer=void 0,t.TimeBasedDebouncer=class{constructor(e,t=1e3){this._renderCallback=e,this._debounceThresholdMS=t,this._lastRefreshMs=0,this._additionalRefreshRequested=!1}dispose(){this._refreshTimeoutID&&clearTimeout(this._refreshTimeoutID)}refresh(e,t,i){this._rowCount=i,e=void 0!==e?e:0,t=void 0!==t?t:this._rowCount-1,this._rowStart=void 0!==this._rowStart?Math.min(this._rowStart,e):e,this._rowEnd=void 0!==this._rowEnd?Math.max(this._rowEnd,t):t;const s=Date.now();if(s-this._lastRefreshMs>=this._debounceThresholdMS)this._lastRefreshMs=s,this._innerRefresh();else if(!this._additionalRefreshRequested){const e=s-this._lastRefreshMs,t=this._debounceThresholdMS-e;this._additionalRefreshRequested=!0,this._refreshTimeoutID=window.setTimeout((()=>{this._lastRefreshMs=Date.now(),this._innerRefresh(),this._additionalRefreshRequested=!1,this._refreshTimeoutID=void 0}),t)}}_innerRefresh(){if(void 0===this._rowStart||void 0===this._rowEnd||void 0===this._rowCount)return;const e=Math.max(this._rowStart,0),t=Math.min(this._rowEnd,this._rowCount-1);this._rowStart=void 0,this._rowEnd=void 0,this._renderCallback(e,t)}}},1680:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return 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this._innerRefresh(),void(null!==this._refreshAnimationFrame&&this._coreBrowserService.window.cancelAnimationFrame(this._refreshAnimationFrame));null===this._refreshAnimationFrame&&(this._refreshAnimationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._innerRefresh())))}_innerRefresh(){if(this._charSizeService.height>0){this._currentRowHeight=this._renderDimensions.device.cell.height/this._coreBrowserService.dpr,this._currentDeviceCellHeight=this._renderDimensions.device.cell.height,this._lastRecordedViewportHeight=this._viewportElement.offsetHeight;const e=Math.round(this._currentRowHeight*this._lastRecordedBufferLength)+(this._lastRecordedViewportHeight-this._renderDimensions.css.canvas.height);this._lastRecordedBufferHeight!==e&&(this._lastRecordedBufferHeight=e,this._scrollArea.style.height=this._lastRecordedBufferHeight+"px")}const e=this._bufferService.buffer.ydisp*this._currentRowHeight;this._viewportElement.scrollTop!==e&&(this._ignoreNextScrollEvent=!0,this._viewportElement.scrollTop=e),this._refreshAnimationFrame=null}syncScrollArea(e=!1){if(this._lastRecordedBufferLength!==this._bufferService.buffer.lines.length)return this._lastRecordedBufferLength=this._bufferService.buffer.lines.length,void this._refresh(e);this._lastRecordedViewportHeight===this._renderService.dimensions.css.canvas.height&&this._lastScrollTop===this._activeBuffer.ydisp*this._currentRowHeight&&this._renderDimensions.device.cell.height===this._currentDeviceCellHeight||this._refresh(e)}_handleScroll(e){if(this._lastScrollTop=this._viewportElement.scrollTop,!this._viewportElement.offsetParent)return;if(this._ignoreNextScrollEvent)return this._ignoreNextScrollEvent=!1,void this._onRequestScrollLines.fire({amount:0,suppressScrollEvent:!0});const t=Math.round(this._lastScrollTop/this._currentRowHeight)-this._bufferService.buffer.ydisp;this._onRequestScrollLines.fire({amount:t,suppressScrollEvent:!0})}_smoothScroll(){if(this._isDisposed||-1===this._smoothScrollState.origin||-1===this._smoothScrollState.target)return;const e=this._smoothScrollPercent();this._viewportElement.scrollTop=this._smoothScrollState.origin+Math.round(e*(this._smoothScrollState.target-this._smoothScrollState.origin)),e<1?this._coreBrowserService.window.requestAnimationFrame((()=>this._smoothScroll())):this._clearSmoothScrollState()}_smoothScrollPercent(){return this._optionsService.rawOptions.smoothScrollDuration&&this._smoothScrollState.startTime?Math.max(Math.min((Date.now()-this._smoothScrollState.startTime)/this._optionsService.rawOptions.smoothScrollDuration,1),0):1}_clearSmoothScrollState(){this._smoothScrollState.startTime=0,this._smoothScrollState.origin=-1,this._smoothScrollState.target=-1}_bubbleScroll(e,t){const i=this._viewportElement.scrollTop+this._lastRecordedViewportHeight;return!(t<0&&0!==this._viewportElement.scrollTop||t>0&&i<this._lastRecordedBufferHeight)||(e.cancelable&&e.preventDefault(),!1)}handleWheel(e){const t=this._getPixelsScrolled(e);return 0!==t&&(this._optionsService.rawOptions.smoothScrollDuration?(this._smoothScrollState.startTime=Date.now(),this._smoothScrollPercent()<1?(this._smoothScrollState.origin=this._viewportElement.scrollTop,-1===this._smoothScrollState.target?this._smoothScrollState.target=this._viewportElement.scrollTop+t:this._smoothScrollState.target+=t,this._smoothScrollState.target=Math.max(Math.min(this._smoothScrollState.target,this._viewportElement.scrollHeight),0),this._smoothScroll()):this._clearSmoothScrollState()):this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))}scrollLines(e){if(0!==e)if(this._optionsService.rawOptions.smoothScrollDuration){const t=e*this._currentRowHeight;this._smoothScrollState.startTime=Date.now(),this._smoothScrollPercent()<1?(this._smoothScrollState.origin=this._viewportElement.scrollTop,this._smoothScrollState.target=this._smoothScrollState.origin+t,this._smoothScrollState.target=Math.max(Math.min(this._smoothScrollState.target,this._viewportElement.scrollHeight),0),this._smoothScroll()):this._clearSmoothScrollState()}else this._onRequestScrollLines.fire({amount:e,suppressScrollEvent:!1})}_getPixelsScrolled(e){if(0===e.deltaY||e.shiftKey)return 0;let t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_LINE?t*=this._currentRowHeight:e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._currentRowHeight*this._bufferService.rows),t}getBufferElements(e,t){let i,s="";const r=[],n=t??this._bufferService.buffer.lines.length,o=this._bufferService.buffer.lines;for(let t=e;t<n;t++){const e=o.get(t);if(!e)continue;const n=o.get(t+1)?.isWrapped;if(s+=e.translateToString(!n),!n||t===o.length-1){const e=document.createElement("div");e.textContent=s,r.push(e),s.length>0&&(i=e),s=""}}return{bufferElements:r,cursorElement:i}}getLinesScrolled(e){if(0===e.deltaY||e.shiftKey)return 0;let t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_PIXEL?(t/=this._currentRowHeight+0,this._wheelPartialScroll+=t,t=Math.floor(Math.abs(this._wheelPartialScroll))*(this._wheelPartialScroll>0?1:-1),this._wheelPartialScroll%=1):e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._bufferService.rows),t}_applyScrollModifier(e,t){const i=this._optionsService.rawOptions.fastScrollModifier;return"alt"===i&&t.altKey||"ctrl"===i&&t.ctrlKey||"shift"===i&&t.shiftKey?e*this._optionsService.rawOptions.fastScrollSensitivity*this._optionsService.rawOptions.scrollSensitivity:e*this._optionsService.rawOptions.scrollSensitivity}handleTouchStart(e){this._lastTouchY=e.touches[0].pageY}handleTouchMove(e){const t=this._lastTouchY-e.touches[0].pageY;return this._lastTouchY=e.touches[0].pageY,0!==t&&(this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))}};t.Viewport=l=s([r(2,c.IBufferService),r(3,c.IOptionsService),r(4,o.ICharSizeService),r(5,o.IRenderService),r(6,o.ICoreBrowserService),r(7,o.IThemeService)],l)},3107:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.BufferDecorationRenderer=void 0;const n=i(4725),o=i(844),a=i(2585);let h=t.BufferDecorationRenderer=class extends o.Disposable{constructor(e,t,i,s,r){super(),this._screenElement=e,this._bufferService=t,this._coreBrowserService=i,this._decorationService=s,this._renderService=r,this._decorationElements=new 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0===this._animationFrame&&(this._animationFrame=this._renderService.addRefreshCallback((()=>{this._doRefreshDecorations(),this._animationFrame=void 0})))}_doRefreshDecorations(){for(const e of this._decorationService.decorations)this._renderDecoration(e);this._dimensionsChanged=!1}_renderDecoration(e){this._refreshStyle(e),this._dimensionsChanged&&this._refreshXPosition(e)}_createElement(e){const t=this._coreBrowserService.mainDocument.createElement("div");t.classList.add("xterm-decoration"),t.classList.toggle("xterm-decoration-top-layer","top"===e?.options?.layer),t.style.width=`${Math.round((e.options.width||1)*this._renderService.dimensions.css.cell.width)}px`,t.style.height=(e.options.height||1)*this._renderService.dimensions.css.cell.height+"px",t.style.top=(e.marker.line-this._bufferService.buffers.active.ydisp)*this._renderService.dimensions.css.cell.height+"px",t.style.lineHeight=`${this._renderService.dimensions.css.cell.height}px`;const i=e.options.x??0;return i&&i>this._bufferService.cols&&(t.style.display="none"),this._refreshXPosition(e,t),t}_refreshStyle(e){const t=e.marker.line-this._bufferService.buffers.active.ydisp;if(t<0||t>=this._bufferService.rows)e.element&&(e.element.style.display="none",e.onRenderEmitter.fire(e.element));else{let i=this._decorationElements.get(e);i||(i=this._createElement(e),e.element=i,this._decorationElements.set(e,i),this._container.appendChild(i),e.onDispose((()=>{this._decorationElements.delete(e),i.remove()}))),i.style.top=t*this._renderService.dimensions.css.cell.height+"px",i.style.display=this._altBufferIsActive?"none":"block",e.onRenderEmitter.fire(i)}}_refreshXPosition(e,t=e.element){if(!t)return;const i=e.options.x??0;"right"===(e.options.anchor||"left")?t.style.right=i?i*this._renderService.dimensions.css.cell.width+"px":"":t.style.left=i?i*this._renderService.dimensions.css.cell.width+"px":""}_removeDecoration(e){this._decorationElements.get(e)?.remove(),this._decorationElements.delete(e),e.dispose()}};t.BufferDecorationRenderer=h=s([r(1,a.IBufferService),r(2,n.ICoreBrowserService),r(3,a.IDecorationService),r(4,n.IRenderService)],h)},5871:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ColorZoneStore=void 0,t.ColorZoneStore=class{constructor(){this._zones=[],this._zonePool=[],this._zonePoolIndex=0,this._linePadding={full:0,left:0,center:0,right:0}}get zones(){return this._zonePool.length=Math.min(this._zonePool.length,this._zones.length),this._zones}clear(){this._zones.length=0,this._zonePoolIndex=0}addDecoration(e){if(e.options.overviewRulerOptions){for(const t of this._zones)if(t.color===e.options.overviewRulerOptions.color&&t.position===e.options.overviewRulerOptions.position){if(this._lineIntersectsZone(t,e.marker.line))return;if(this._lineAdjacentToZone(t,e.marker.line,e.options.overviewRulerOptions.position))return void this._addLineToZone(t,e.marker.line)}if(this._zonePoolIndex<this._zonePool.length)return this._zonePool[this._zonePoolIndex].color=e.options.overviewRulerOptions.color,this._zonePool[this._zonePoolIndex].position=e.options.overviewRulerOptions.position,this._zonePool[this._zonePoolIndex].startBufferLine=e.marker.line,this._zonePool[this._zonePoolIndex].endBufferLine=e.marker.line,void this._zones.push(this._zonePool[this._zonePoolIndex++]);this._zones.push({color:e.options.overviewRulerOptions.color,position:e.options.overviewRulerOptions.position,startBufferLine:e.marker.line,endBufferLine:e.marker.line}),this._zonePool.push(this._zones[this._zones.length-1]),this._zonePoolIndex++}}setPadding(e){this._linePadding=e}_lineIntersectsZone(e,t){return t>=e.startBufferLine&&t<=e.endBufferLine}_lineAdjacentToZone(e,t,i){return t>=e.startBufferLine-this._linePadding[i||"full"]&&t<=e.endBufferLine+this._linePadding[i||"full"]}_addLineToZone(e,t){e.startBufferLine=Math.min(e.startBufferLine,t),e.endBufferLine=Math.max(e.endBufferLine,t)}}},5744:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.OverviewRulerRenderer=void 0;const n=i(5871),o=i(4725),a=i(844),h=i(2585),c={full:0,left:0,center:0,right:0},l={full:0,left:0,center:0,right:0},d={full:0,left:0,center:0,right:0};let _=t.OverviewRulerRenderer=class extends a.Disposable{get _width(){return this._optionsService.options.overviewRulerWidth||0}constructor(e,t,i,s,r,o,h){super(),this._viewportElement=e,this._screenElement=t,this._bufferService=i,this._decorationService=s,this._renderService=r,this._optionsService=o,this._coreBrowserService=h,this._colorZoneStore=new n.ColorZoneStore,this._shouldUpdateDimensions=!0,this._shouldUpdateAnchor=!0,this._lastKnownBufferLength=0,this._canvas=this._coreBrowserService.mainDocument.createElement("canvas"),this._canvas.classList.add("xterm-decoration-overview-ruler"),this._refreshCanvasDimensions(),this._viewportElement.parentElement?.insertBefore(this._canvas,this._viewportElement);const c=this._canvas.getContext("2d");if(!c)throw new Error("Ctx cannot be null");this._ctx=c,this._registerDecorationListeners(),this._registerBufferChangeListeners(),this._registerDimensionChangeListeners(),this.register((0,a.toDisposable)((()=>{this._canvas?.remove()})))}_registerDecorationListeners(){this.register(this._decorationService.onDecorationRegistered((()=>this._queueRefresh(void 0,!0)))),this.register(this._decorationService.onDecorationRemoved((()=>this._queueRefresh(void 0,!0))))}_registerBufferChangeListeners(){this.register(this._renderService.onRenderedViewportChange((()=>this._queueRefresh()))),this.register(this._bufferService.buffers.onBufferActivate((()=>{this._canvas.style.display=this._bufferService.buffer===this._bufferService.buffers.alt?"none":"block"}))),this.register(this._bufferService.onScroll((()=>{this._lastKnownBufferLength!==this._bufferService.buffers.normal.lines.length&&(this._refreshDrawHeightConstants(),this._refreshColorZonePadding())})))}_registerDimensionChangeListeners(){this.register(this._renderService.onRender((()=>{this._containerHeight&&this._containerHeight===this._screenElement.clientHeight||(this._queueRefresh(!0),this._containerHeight=this._screenElement.clientHeight)}))),this.register(this._optionsService.onSpecificOptionChange("overviewRulerWidth",(()=>this._queueRefresh(!0)))),this.register(this._coreBrowserService.onDprChange((()=>this._queueRefresh(!0)))),this._queueRefresh(!0)}_refreshDrawConstants(){const e=Math.floor(this._canvas.width/3),t=Math.ceil(this._canvas.width/3);l.full=this._canvas.width,l.left=e,l.center=t,l.right=e,this._refreshDrawHeightConstants(),d.full=0,d.left=0,d.center=l.left,d.right=l.left+l.center}_refreshDrawHeightConstants(){c.full=Math.round(2*this._coreBrowserService.dpr);const e=this._canvas.height/this._bufferService.buffer.lines.length,t=Math.round(Math.max(Math.min(e,12),6)*this._coreBrowserService.dpr);c.left=t,c.center=t,c.right=t}_refreshColorZonePadding(){this._colorZoneStore.setPadding({full:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*c.full),left:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*c.left),center:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*c.center),right:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*c.right)}),this._lastKnownBufferLength=this._bufferService.buffers.normal.lines.length}_refreshCanvasDimensions(){this._canvas.style.width=`${this._width}px`,this._canvas.width=Math.round(this._width*this._coreBrowserService.dpr),this._canvas.style.height=`${this._screenElement.clientHeight}px`,this._canvas.height=Math.round(this._screenElement.clientHeight*this._coreBrowserService.dpr),this._refreshDrawConstants(),this._refreshColorZonePadding()}_refreshDecorations(){this._shouldUpdateDimensions&&this._refreshCanvasDimensions(),this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height),this._colorZoneStore.clear();for(const e of this._decorationService.decorations)this._colorZoneStore.addDecoration(e);this._ctx.lineWidth=1;const e=this._colorZoneStore.zones;for(const t of e)"full"!==t.position&&this._renderColorZone(t);for(const t of e)"full"===t.position&&this._renderColorZone(t);this._shouldUpdateDimensions=!1,this._shouldUpdateAnchor=!1}_renderColorZone(e){this._ctx.fillStyle=e.color,this._ctx.fillRect(d[e.position||"full"],Math.round((this._canvas.height-1)*(e.startBufferLine/this._bufferService.buffers.active.lines.length)-c[e.position||"full"]/2),l[e.position||"full"],Math.round((this._canvas.height-1)*((e.endBufferLine-e.startBufferLine)/this._bufferService.buffers.active.lines.length)+c[e.position||"full"]))}_queueRefresh(e,t){this._shouldUpdateDimensions=e||this._shouldUpdateDimensions,this._shouldUpdateAnchor=t||this._shouldUpdateAnchor,void 0===this._animationFrame&&(this._animationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>{this._refreshDecorations(),this._animationFrame=void 0})))}};t.OverviewRulerRenderer=_=s([r(2,h.IBufferService),r(3,h.IDecorationService),r(4,o.IRenderService),r(5,h.IOptionsService),r(6,o.ICoreBrowserService)],_)},2950:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.CompositionHelper=void 0;const n=i(4725),o=i(2585),a=i(2584);let h=t.CompositionHelper=class{get isComposing(){return this._isComposing}constructor(e,t,i,s,r,n){this._textarea=e,this._compositionView=t,this._bufferService=i,this._optionsService=s,this._coreService=r,this._renderService=n,this._isComposing=!1,this._isSendingComposition=!1,this._compositionPosition={start:0,end:0},this._dataAlreadySent=""}compositionstart(){this._isComposing=!0,this._compositionPosition.start=this._textarea.value.length,this._compositionView.textContent="",this._dataAlreadySent="",this._compositionView.classList.add("active")}compositionupdate(e){this._compositionView.textContent=e.data,this.updateCompositionElements(),setTimeout((()=>{this._compositionPosition.end=this._textarea.value.length}),0)}compositionend(){this._finalizeComposition(!0)}keydown(e){if(this._isComposing||this._isSendingComposition){if(229===e.keyCode)return!1;if(16===e.keyCode||17===e.keyCode||18===e.keyCode)return!1;this._finalizeComposition(!1)}return 229!==e.keyCode||(this._handleAnyTextareaChanges(),!1)}_finalizeComposition(e){if(this._compositionView.classList.remove("active"),this._isComposing=!1,e){const e={start:this._compositionPosition.start,end:this._compositionPosition.end};this._isSendingComposition=!0,setTimeout((()=>{if(this._isSendingComposition){let t;this._isSendingComposition=!1,e.start+=this._dataAlreadySent.length,t=this._isComposing?this._textarea.value.substring(e.start,e.end):this._textarea.value.substring(e.start),t.length>0&&this._coreService.triggerDataEvent(t,!0)}}),0)}else{this._isSendingComposition=!1;const e=this._textarea.value.substring(this._compositionPosition.start,this._compositionPosition.end);this._coreService.triggerDataEvent(e,!0)}}_handleAnyTextareaChanges(){const e=this._textarea.value;setTimeout((()=>{if(!this._isComposing){const t=this._textarea.value,i=t.replace(e,"");this._dataAlreadySent=i,t.length>e.length?this._coreService.triggerDataEvent(i,!0):t.length<e.length?this._coreService.triggerDataEvent(`${a.C0.DEL}`,!0):t.length===e.length&&t!==e&&this._coreService.triggerDataEvent(t,!0)}}),0)}updateCompositionElements(e){if(this._isComposing){if(this._bufferService.buffer.isCursorInViewport){const e=Math.min(this._bufferService.buffer.x,this._bufferService.cols-1),t=this._renderService.dimensions.css.cell.height,i=this._bufferService.buffer.y*this._renderService.dimensions.css.cell.height,s=e*this._renderService.dimensions.css.cell.width;this._compositionView.style.left=s+"px",this._compositionView.style.top=i+"px",this._compositionView.style.height=t+"px",this._compositionView.style.lineHeight=t+"px",this._compositionView.style.fontFamily=this._optionsService.rawOptions.fontFamily,this._compositionView.style.fontSize=this._optionsService.rawOptions.fontSize+"px";const r=this._compositionView.getBoundingClientRect();this._textarea.style.left=s+"px",this._textarea.style.top=i+"px",this._textarea.style.width=Math.max(r.width,1)+"px",this._textarea.style.height=Math.max(r.height,1)+"px",this._textarea.style.lineHeight=r.height+"px"}e||setTimeout((()=>this.updateCompositionElements(!0)),0)}}};t.CompositionHelper=h=s([r(2,o.IBufferService),r(3,o.IOptionsService),r(4,o.ICoreService),r(5,n.IRenderService)],h)},9806:(e,t)=>{function i(e,t,i){const s=i.getBoundingClientRect(),r=e.getComputedStyle(i),n=parseInt(r.getPropertyValue("padding-left")),o=parseInt(r.getPropertyValue("padding-top"));return[t.clientX-s.left-n,t.clientY-s.top-o]}Object.defineProperty(t,"__esModule",{value:!0}),t.getCoords=t.getCoordsRelativeToElement=void 0,t.getCoordsRelativeToElement=i,t.getCoords=function(e,t,s,r,n,o,a,h,c){if(!o)return;const l=i(e,t,s);return l?(l[0]=Math.ceil((l[0]+(c?a/2:0))/a),l[1]=Math.ceil(l[1]/h),l[0]=Math.min(Math.max(l[0],1),r+(c?1:0)),l[1]=Math.min(Math.max(l[1],1),n),l):void 0}},9504:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.moveToCellSequence=void 0;const s=i(2584);function r(e,t,i,s){const r=e-n(e,i),a=t-n(t,i),l=Math.abs(r-a)-function(e,t,i){let s=0;const r=e-n(e,i),a=t-n(t,i);for(let n=0;n<Math.abs(r-a);n++){const a="A"===o(e,t)?-1:1,h=i.buffer.lines.get(r+a*n);h?.isWrapped&&s++}return s}(e,t,i);return c(l,h(o(e,t),s))}function n(e,t){let i=0,s=t.buffer.lines.get(e),r=s?.isWrapped;for(;r&&e>=0&&e<t.rows;)i++,s=t.buffer.lines.get(--e),r=s?.isWrapped;return i}function o(e,t){return e>t?"A":"B"}function a(e,t,i,s,r,n){let o=e,a=t,h="";for(;o!==i||a!==s;)o+=r?1:-1,r&&o>n.cols-1?(h+=n.buffer.translateBufferLineToString(a,!1,e,o),o=0,e=0,a++):!r&&o<0&&(h+=n.buffer.translateBufferLineToString(a,!1,0,e+1),o=n.cols-1,e=o,a--);return h+n.buffer.translateBufferLineToString(a,!1,e,o)}function h(e,t){const i=t?"O":"[";return s.C0.ESC+i+e}function c(e,t){e=Math.floor(e);let i="";for(let s=0;s<e;s++)i+=t;return i}t.moveToCellSequence=function(e,t,i,s){const o=i.buffer.x,l=i.buffer.y;if(!i.buffer.hasScrollback)return function(e,t,i,s,o,l){return 0===r(t,s,o,l).length?"":c(a(e,t,e,t-n(t,o),!1,o).length,h("D",l))}(o,l,0,t,i,s)+r(l,t,i,s)+function(e,t,i,s,o,l){let d;d=r(t,s,o,l).length>0?s-n(s,o):t;const _=s,u=function(e,t,i,s,o,a){let h;return h=r(i,s,o,a).length>0?s-n(s,o):t,e<i&&h<=s||e>=i&&h<s?"C":"D"}(e,t,i,s,o,l);return c(a(e,d,i,_,"C"===u,o).length,h(u,l))}(o,l,e,t,i,s);let d;if(l===t)return d=o>e?"D":"C",c(Math.abs(o-e),h(d,s));d=l>t?"D":"C";const _=Math.abs(l-t);return c(function(e,t){return t.cols-e}(l>t?e:o,i)+(_-1)*i.cols+1+((l>t?o:e)-1),h(d,s))}},1296:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.DomRenderer=void 0;const n=i(3787),o=i(2550),a=i(2223),h=i(6171),c=i(6052),l=i(4725),d=i(8055),_=i(8460),u=i(844),f=i(2585),v="xterm-dom-renderer-owner-",p="xterm-rows",g="xterm-fg-",m="xterm-bg-",S="xterm-focus",C="xterm-selection";let b=1,w=t.DomRenderer=class extends u.Disposable{constructor(e,t,i,s,r,a,l,d,f,g,m,S,w){super(),this._terminal=e,this._document=t,this._element=i,this._screenElement=s,this._viewportElement=r,this._helperContainer=a,this._linkifier2=l,this._charSizeService=f,this._optionsService=g,this._bufferService=m,this._coreBrowserService=S,this._themeService=w,this._terminalClass=b++,this._rowElements=[],this._selectionRenderModel=(0,c.createSelectionRenderModel)(),this.onRequestRedraw=this.register(new _.EventEmitter).event,this._rowContainer=this._document.createElement("div"),this._rowContainer.classList.add(p),this._rowContainer.style.lineHeight="normal",this._rowContainer.setAttribute("aria-hidden","true"),this._refreshRowElements(this._bufferService.cols,this._bufferService.rows),this._selectionContainer=this._document.createElement("div"),this._selectionContainer.classList.add(C),this._selectionContainer.setAttribute("aria-hidden","true"),this.dimensions=(0,h.createRenderDimensions)(),this._updateDimensions(),this.register(this._optionsService.onOptionChange((()=>this._handleOptionsChanged()))),this.register(this._themeService.onChangeColors((e=>this._injectCss(e)))),this._injectCss(this._themeService.colors),this._rowFactory=d.createInstance(n.DomRendererRowFactory,document),this._element.classList.add(v+this._terminalClass),this._screenElement.appendChild(this._rowContainer),this._screenElement.appendChild(this._selectionContainer),this.register(this._linkifier2.onShowLinkUnderline((e=>this._handleLinkHover(e)))),this.register(this._linkifier2.onHideLinkUnderline((e=>this._handleLinkLeave(e)))),this.register((0,u.toDisposable)((()=>{this._element.classList.remove(v+this._terminalClass),this._rowContainer.remove(),this._selectionContainer.remove(),this._widthCache.dispose(),this._themeStyleElement.remove(),this._dimensionsStyleElement.remove()}))),this._widthCache=new o.WidthCache(this._document,this._helperContainer),this._widthCache.setFont(this._optionsService.rawOptions.fontFamily,this._optionsService.rawOptions.fontSize,this._optionsService.rawOptions.fontWeight,this._optionsService.rawOptions.fontWeightBold),this._setDefaultSpacing()}_updateDimensions(){const e=this._coreBrowserService.dpr;this.dimensions.device.char.width=this._charSizeService.width*e,this.dimensions.device.char.height=Math.ceil(this._charSizeService.height*e),this.dimensions.device.cell.width=this.dimensions.device.char.width+Math.round(this._optionsService.rawOptions.letterSpacing),this.dimensions.device.cell.height=Math.floor(this.dimensions.device.char.height*this._optionsService.rawOptions.lineHeight),this.dimensions.device.char.left=0,this.dimensions.device.char.top=0,this.dimensions.device.canvas.width=this.dimensions.device.cell.width*this._bufferService.cols,this.dimensions.device.canvas.height=this.dimensions.device.cell.height*this._bufferService.rows,this.dimensions.css.canvas.width=Math.round(this.dimensions.device.canvas.width/e),this.dimensions.css.canvas.height=Math.round(this.dimensions.device.canvas.height/e),this.dimensions.css.cell.width=this.dimensions.css.canvas.width/this._bufferService.cols,this.dimensions.css.cell.height=this.dimensions.css.canvas.height/this._bufferService.rows;for(const e of this._rowElements)e.style.width=`${this.dimensions.css.canvas.width}px`,e.style.height=`${this.dimensions.css.cell.height}px`,e.style.lineHeight=`${this.dimensions.css.cell.height}px`,e.style.overflow="hidden";this._dimensionsStyleElement||(this._dimensionsStyleElement=this._document.createElement("style"),this._screenElement.appendChild(this._dimensionsStyleElement));const t=`${this._terminalSelector} .${p} span { display: inline-block; height: 100%; vertical-align: top;}`;this._dimensionsStyleElement.textContent=t,this._selectionContainer.style.height=this._viewportElement.style.height,this._screenElement.style.width=`${this.dimensions.css.canvas.width}px`,this._screenElement.style.height=`${this.dimensions.css.canvas.height}px`}_injectCss(e){this._themeStyleElement||(this._themeStyleElement=this._document.createElement("style"),this._screenElement.appendChild(this._themeStyleElement));let t=`${this._terminalSelector} .${p} { color: ${e.foreground.css}; font-family: ${this._optionsService.rawOptions.fontFamily}; font-size: ${this._optionsService.rawOptions.fontSize}px; font-kerning: none; white-space: pre}`;t+=`${this._terminalSelector} .${p} .xterm-dim { color: ${d.color.multiplyOpacity(e.foreground,.5).css};}`,t+=`${this._terminalSelector} span:not(.xterm-bold) { font-weight: ${this._optionsService.rawOptions.fontWeight};}${this._terminalSelector} span.xterm-bold { font-weight: ${this._optionsService.rawOptions.fontWeightBold};}${this._terminalSelector} span.xterm-italic { font-style: italic;}`;const i=`blink_underline_${this._terminalClass}`,s=`blink_bar_${this._terminalClass}`,r=`blink_block_${this._terminalClass}`;t+=`@keyframes ${i} { 50% {  border-bottom-style: hidden; }}`,t+=`@keyframes ${s} { 50% {  box-shadow: none; }}`,t+=`@keyframes ${r} { 0% {  background-color: ${e.cursor.css};  color: ${e.cursorAccent.css}; } 50% {  background-color: inherit;  color: ${e.cursor.css}; }}`,t+=`${this._terminalSelector} .${p}.${S} 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}${this._terminalSelector} .${m}${a.INVERTED_DEFAULT_COLOR} { background-color: ${e.foreground.css}; }`,this._themeStyleElement.textContent=t}_setDefaultSpacing(){const e=this.dimensions.css.cell.width-this._widthCache.get("W",!1,!1);this._rowContainer.style.letterSpacing=`${e}px`,this._rowFactory.defaultSpacing=e}handleDevicePixelRatioChange(){this._updateDimensions(),this._widthCache.clear(),this._setDefaultSpacing()}_refreshRowElements(e,t){for(let e=this._rowElements.length;e<=t;e++){const e=this._document.createElement("div");this._rowContainer.appendChild(e),this._rowElements.push(e)}for(;this._rowElements.length>t;)this._rowContainer.removeChild(this._rowElements.pop())}handleResize(e,t){this._refreshRowElements(e,t),this._updateDimensions(),this.handleSelectionChanged(this._selectionRenderModel.selectionStart,this._selectionRenderModel.selectionEnd,this._selectionRenderModel.columnSelectMode)}handleCharSizeChanged(){this._updateDimensions(),this._widthCache.clear(),this._setDefaultSpacing()}handleBlur(){this._rowContainer.classList.remove(S),this.renderRows(0,this._bufferService.rows-1)}handleFocus(){this._rowContainer.classList.add(S),this.renderRows(this._bufferService.buffer.y,this._bufferService.buffer.y)}handleSelectionChanged(e,t,i){if(this._selectionContainer.replaceChildren(),this._rowFactory.handleSelectionChanged(e,t,i),this.renderRows(0,this._bufferService.rows-1),!e||!t)return;this._selectionRenderModel.update(this._terminal,e,t,i);const s=this._selectionRenderModel.viewportStartRow,r=this._selectionRenderModel.viewportEndRow,n=this._selectionRenderModel.viewportCappedStartRow,o=this._selectionRenderModel.viewportCappedEndRow;if(n>=this._bufferService.rows||o<0)return;const a=this._document.createDocumentFragment();if(i){const i=e[0]>t[0];a.appendChild(this._createSelectionElement(n,i?t[0]:e[0],i?e[0]:t[0],o-n+1))}else{const i=s===n?e[0]:0,h=n===r?t[0]:this._bufferService.cols;a.appendChild(this._createSelectionElement(n,i,h));const c=o-n-1;if(a.appendChild(this._createSelectionElement(n+1,0,this._bufferService.cols,c)),n!==o){const e=r===o?t[0]:this._bufferService.cols;a.appendChild(this._createSelectionElement(o,0,e))}}this._selectionContainer.appendChild(a)}_createSelectionElement(e,t,i,s=1){const r=this._document.createElement("div"),n=t*this.dimensions.css.cell.width;let o=this.dimensions.css.cell.width*(i-t);return n+o>this.dimensions.css.canvas.width&&(o=this.dimensions.css.canvas.width-n),r.style.height=s*this.dimensions.css.cell.height+"px",r.style.top=e*this.dimensions.css.cell.height+"px",r.style.left=`${n}px`,r.style.width=`${o}px`,r}handleCursorMove(){}_handleOptionsChanged(){this._updateDimensions(),this._injectCss(this._themeService.colors),this._widthCache.setFont(this._optionsService.rawOptions.fontFamily,this._optionsService.rawOptions.fontSize,this._optionsService.rawOptions.fontWeight,this._optionsService.rawOptions.fontWeightBold),this._setDefaultSpacing()}clear(){for(const e of this._rowElements)e.replaceChildren()}renderRows(e,t){const i=this._bufferService.buffer,s=i.ybase+i.y,r=Math.min(i.x,this._bufferService.cols-1),n=this._optionsService.rawOptions.cursorBlink,o=this._optionsService.rawOptions.cursorStyle,a=this._optionsService.rawOptions.cursorInactiveStyle;for(let h=e;h<=t;h++){const e=h+i.ydisp,t=this._rowElements[h],c=i.lines.get(e);if(!t||!c)break;t.replaceChildren(...this._rowFactory.createRow(c,e,e===s,o,a,r,n,this.dimensions.css.cell.width,this._widthCache,-1,-1))}}get _terminalSelector(){return`.${v}${this._terminalClass}`}_handleLinkHover(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!0)}_handleLinkLeave(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!1)}_setCellUnderline(e,t,i,s,r,n){i<0&&(e=0),s<0&&(t=0);const o=this._bufferService.rows-1;i=Math.max(Math.min(i,o),0),s=Math.max(Math.min(s,o),0),r=Math.min(r,this._bufferService.cols);const a=this._bufferService.buffer,h=a.ybase+a.y,c=Math.min(a.x,r-1),l=this._optionsService.rawOptions.cursorBlink,d=this._optionsService.rawOptions.cursorStyle,_=this._optionsService.rawOptions.cursorInactiveStyle;for(let o=i;o<=s;++o){const 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"===y&&(y=" "),!I.isUnderlineColorDefault()))if(I.isUnderlineColorRGB())C.style.textDecorationColor=`rgb(${u.AttributeData.toColorRGB(I.getUnderlineColor()).join(",")})`;else{let e=I.getUnderlineColor();this._optionsService.rawOptions.drawBoldTextInBrightColors&&I.isBold()&&e<8&&(e+=8),C.style.textDecorationColor=S.ansi[e].css}I.isOverline()&&(B.push("xterm-overline")," "===y&&(y=" ")),I.isStrikethrough()&&B.push("xterm-strikethrough"),W&&(C.style.textDecoration="underline");let $=I.getFgColor(),j=I.getFgColorMode(),z=I.getBgColor(),K=I.getBgColorMode();const q=!!I.isInverse();if(q){const e=$;$=z,z=e;const t=j;j=K,K=t}let V,G,X,J=!1;switch(this._decorationService.forEachDecorationAtCell(M,t,void 0,(e=>{"top"!==e.options.layer&&J||(e.backgroundColorRGB&&(K=50331648,z=e.backgroundColorRGB.rgba>>8&16777215,V=e.backgroundColorRGB),e.foregroundColorRGB&&(j=50331648,$=e.foregroundColorRGB.rgba>>8&16777215,G=e.foregroundColorRGB),J="top"===e.options.layer)})),!J&&H&&(V=this._coreBrowserService.isFocused?S.selectionBackgroundOpaque:S.selectionInactiveBackgroundOpaque,z=V.rgba>>8&16777215,K=50331648,J=!0,S.selectionForeground&&(j=50331648,$=S.selectionForeground.rgba>>8&16777215,G=S.selectionForeground)),J&&B.push("xterm-decoration-top"),K){case 16777216:case 33554432:X=S.ansi[z],B.push(`xterm-bg-${z}`);break;case 50331648:X=c.channels.toColor(z>>16,z>>8&255,255&z),this._addStyle(C,`background-color:#${v((z>>>0).toString(16),"0",6)}`);break;default:q?(X=S.foreground,B.push(`xterm-bg-${n.INVERTED_DEFAULT_COLOR}`)):X=S.background}switch(V||I.isDim()&&(V=c.color.multiplyOpacity(X,.5)),j){case 16777216:case 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e=this._optionsService.rawOptions.minimumContrastRatio/(s.isDim()?2:1);a=c.color.ensureContrastRatio(r||t,n||i,e),o.setColor((r||t).rgba,(n||i).rgba,a??null)}return!!a&&(this._addStyle(e,`color:${a.css}`),!0)}_getContrastCache(e){return e.isDim()?this._themeService.colors.halfContrastCache:this._themeService.colors.contrastCache}_addStyle(e,t){e.setAttribute("style",`${e.getAttribute("style")||""}${t};`)}_isCellInSelection(e,t){const i=this._selectionStart,s=this._selectionEnd;return!(!i||!s)&&(this._columnSelectMode?i[0]<=s[0]?e>=i[0]&&t>=i[1]&&e<s[0]&&t<=s[1]:e<i[0]&&t>=i[1]&&e>=s[0]&&t<=s[1]:t>i[1]&&t<s[1]||i[1]===s[1]&&t===i[1]&&e>=i[0]&&e<s[0]||i[1]<s[1]&&t===s[1]&&e<s[0]||i[1]<s[1]&&t===i[1]&&e>=i[0])}};function v(e,t,i){for(;e.length<i;)e=t+e;return 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n=e.createElement("span");n.classList.add("xterm-char-measure-element"),n.style.fontWeight="bold",n.style.fontStyle="italic",this._measureElements=[i,s,r,n],this._container.appendChild(i),this._container.appendChild(s),this._container.appendChild(r),this._container.appendChild(n),t.appendChild(this._container),this.clear()}dispose(){this._container.remove(),this._measureElements.length=0,this._holey=void 0}clear(){this._flat.fill(-9999),this._holey=new Map}setFont(e,t,i,s){e===this._font&&t===this._fontSize&&i===this._weight&&s===this._weightBold||(this._font=e,this._fontSize=t,this._weight=i,this._weightBold=s,this._container.style.fontFamily=this._font,this._container.style.fontSize=`${this._fontSize}px`,this._measureElements[0].style.fontWeight=`${i}`,this._measureElements[1].style.fontWeight=`${s}`,this._measureElements[2].style.fontWeight=`${i}`,this._measureElements[3].style.fontWeight=`${s}`,this.clear())}get(e,t,i){let s=0;if(!t&&!i&&1===e.length&&(s=e.charCodeAt(0))<256){if(-9999!==this._flat[s])return this._flat[s];const t=this._measure(e,0);return t>0&&(this._flat[s]=t),t}let r=e;t&&(r+="B"),i&&(r+="I");let n=this._holey.get(r);if(void 0===n){let s=0;t&&(s|=1),i&&(s|=2),n=this._measure(e,s),n>0&&this._holey.set(r,n)}return n}_measure(e,t){const i=this._measureElements[t];return i.textContent=e.repeat(32),i.offsetWidth/32}}},2223:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.TEXT_BASELINE=t.DIM_OPACITY=t.INVERTED_DEFAULT_COLOR=void 0;const s=i(6114);t.INVERTED_DEFAULT_COLOR=257,t.DIM_OPACITY=.5,t.TEXT_BASELINE=s.isFirefox||s.isLegacyEdge?"bottom":"ideographic"},6171:(e,t)=>{function i(e){return 57508<=e&&e<=57558}function s(e){return e>=128512&&e<=128591||e>=127744&&e<=128511||e>=128640&&e<=128767||e>=9728&&e<=9983||e>=9984&&e<=10175||e>=65024&&e<=65039||e>=129280&&e<=129535||e>=127462&&e<=127487}Object.defineProperty(t,"__esModule",{value:!0}),t.computeNextVariantOffset=t.createRenderDimensions=t.treatGlyphAsBackgroundColor=t.allowRescaling=t.isEmoji=t.isRestrictedPowerlineGlyph=t.isPowerlineGlyph=t.throwIfFalsy=void 0,t.throwIfFalsy=function(e){if(!e)throw new Error("value must not be falsy");return e},t.isPowerlineGlyph=i,t.isRestrictedPowerlineGlyph=function(e){return 57520<=e&&e<=57527},t.isEmoji=s,t.allowRescaling=function(e,t,r,n){return 1===t&&r>Math.ceil(1.5*n)&&void 0!==e&&e>255&&!s(e)&&!i(e)&&!function(e){return 57344<=e&&e<=63743}(e)},t.treatGlyphAsBackgroundColor=function(e){return i(e)||function(e){return 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i}},456:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.SelectionModel=void 0,t.SelectionModel=class{constructor(e){this._bufferService=e,this.isSelectAllActive=!1,this.selectionStartLength=0}clearSelection(){this.selectionStart=void 0,this.selectionEnd=void 0,this.isSelectAllActive=!1,this.selectionStartLength=0}get finalSelectionStart(){return this.isSelectAllActive?[0,0]:this.selectionEnd&&this.selectionStart&&this.areSelectionValuesReversed()?this.selectionEnd:this.selectionStart}get finalSelectionEnd(){if(this.isSelectAllActive)return[this._bufferService.cols,this._bufferService.buffer.ybase+this._bufferService.rows-1];if(this.selectionStart){if(!this.selectionEnd||this.areSelectionValuesReversed()){const e=this.selectionStart[0]+this.selectionStartLength;return 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this.selectionStart&&(this.selectionStart[1]-=e),this.selectionEnd&&(this.selectionEnd[1]-=e),this.selectionEnd&&this.selectionEnd[1]<0?(this.clearSelection(),!0):(this.selectionStart&&this.selectionStart[1]<0&&(this.selectionStart[1]=0),!1)}}},428:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.CharSizeService=void 0;const n=i(2585),o=i(8460),a=i(844);let h=t.CharSizeService=class extends a.Disposable{get hasValidSize(){return 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t&&"fontBoundingBoxDescent"in t))throw new Error("Required font metrics not supported")}measure(){this._ctx.font=`${this._optionsService.rawOptions.fontSize}px ${this._optionsService.rawOptions.fontFamily}`;const e=this._ctx.measureText("W");return this._validateAndSet(e.width,e.fontBoundingBoxAscent+e.fontBoundingBoxDescent),this._result}}},4269:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.CharacterJoinerService=t.JoinedCellData=void 0;const n=i(3734),o=i(643),a=i(511),h=i(2585);class c extends 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i=[],s=t.translateToString(!0);let r=0,n=0,a=0,h=t.getFg(0),c=t.getBg(0);for(let e=0;e<t.getTrimmedLength();e++)if(t.loadCell(e,this._workCell),0!==this._workCell.getWidth()){if(this._workCell.fg!==h||this._workCell.bg!==c){if(e-r>1){const e=this._getJoinedRanges(s,a,n,t,r);for(let t=0;t<e.length;t++)i.push(e[t])}r=e,a=n,h=this._workCell.fg,c=this._workCell.bg}n+=this._workCell.getChars().length||o.WHITESPACE_CELL_CHAR.length}if(this._bufferService.cols-r>1){const e=this._getJoinedRanges(s,a,n,t,r);for(let t=0;t<e.length;t++)i.push(e[t])}return i}_getJoinedRanges(t,i,s,r,n){const o=t.substring(i,s);let a=[];try{a=this._characterJoiners[0].handler(o)}catch(e){console.error(e)}for(let t=1;t<this._characterJoiners.length;t++)try{const i=this._characterJoiners[t].handler(o);for(let t=0;t<i.length;t++)e._mergeRanges(a,i[t])}catch(e){console.error(e)}return this._stringRangesToCellRanges(a,r,n),a}_stringRangesToCellRanges(e,t,i){let s=0,r=!1,n=0,a=e[s];if(a){for(let 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s.Disposable{constructor(e){super(),this._parentWindow=e,this._windowResizeListener=this.register(new s.MutableDisposable),this._onDprChange=this.register(new r.EventEmitter),this.onDprChange=this._onDprChange.event,this._outerListener=()=>this._setDprAndFireIfDiffers(),this._currentDevicePixelRatio=this._parentWindow.devicePixelRatio,this._updateDpr(),this._setWindowResizeListener(),this.register((0,s.toDisposable)((()=>this.clearListener())))}setWindow(e){this._parentWindow=e,this._setWindowResizeListener(),this._setDprAndFireIfDiffers()}_setWindowResizeListener(){this._windowResizeListener.value=(0,n.addDisposableDomListener)(this._parentWindow,"resize",(()=>this._setDprAndFireIfDiffers()))}_setDprAndFireIfDiffers(){this._parentWindow.devicePixelRatio!==this._currentDevicePixelRatio&&this._onDprChange.fire(this._parentWindow.devicePixelRatio),this._updateDpr()}_updateDpr(){this._outerListener&&(this._resolutionMediaMatchList?.removeListener(this._outerListener),this._currentDevicePixelRatio=this._parentWindow.devicePixelRatio,this._resolutionMediaMatchList=this._parentWindow.matchMedia(`screen and (resolution: ${this._parentWindow.devicePixelRatio}dppx)`),this._resolutionMediaMatchList.addListener(this._outerListener))}clearListener(){this._resolutionMediaMatchList&&this._outerListener&&(this._resolutionMediaMatchList.removeListener(this._outerListener),this._resolutionMediaMatchList=void 0,this._outerListener=void 0)}}},779:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.LinkProviderService=void 0;const s=i(844);class r extends s.Disposable{constructor(){super(),this.linkProviders=[],this.register((0,s.toDisposable)((()=>this.linkProviders.length=0)))}registerLinkProvider(e){return this.linkProviders.push(e),{dispose:()=>{const t=this.linkProviders.indexOf(e);-1!==t&&this.linkProviders.splice(t,1)}}}}t.LinkProviderService=r},8934:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.MouseService=void 0;const n=i(4725),o=i(9806);let a=t.MouseService=class{constructor(e,t){this._renderService=e,this._charSizeService=t}getCoords(e,t,i,s,r){return(0,o.getCoords)(window,e,t,i,s,this._charSizeService.hasValidSize,this._renderService.dimensions.css.cell.width,this._renderService.dimensions.css.cell.height,r)}getMouseReportCoords(e,t){const i=(0,o.getCoordsRelativeToElement)(window,e,t);if(this._charSizeService.hasValidSize)return i[0]=Math.min(Math.max(i[0],0),this._renderService.dimensions.css.canvas.width-1),i[1]=Math.min(Math.max(i[1],0),this._renderService.dimensions.css.canvas.height-1),{col:Math.floor(i[0]/this._renderService.dimensions.css.cell.width),row:Math.floor(i[1]/this._renderService.dimensions.css.cell.height),x:Math.floor(i[0]),y:Math.floor(i[1])}}};t.MouseService=a=s([r(0,n.IRenderService),r(1,n.ICharSizeService)],a)},3230:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.RenderService=void 0;const n=i(6193),o=i(4725),a=i(8460),h=i(844),c=i(7226),l=i(2585);let d=t.RenderService=class extends h.Disposable{get dimensions(){return this._renderer.value.dimensions}constructor(e,t,i,s,r,o,l,d){super(),this._rowCount=e,this._charSizeService=s,this._renderer=this.register(new h.MutableDisposable),this._pausedResizeTask=new c.DebouncedIdleTask,this._observerDisposable=this.register(new h.MutableDisposable),this._isPaused=!1,this._needsFullRefresh=!1,this._isNextRenderRedrawOnly=!0,this._needsSelectionRefresh=!1,this._canvasWidth=0,this._canvasHeight=0,this._selectionState={start:void 0,end:void 0,columnSelectMode:!1},this._onDimensionsChange=this.register(new a.EventEmitter),this.onDimensionsChange=this._onDimensionsChange.event,this._onRenderedViewportChange=this.register(new a.EventEmitter),this.onRenderedViewportChange=this._onRenderedViewportChange.event,this._onRender=this.register(new a.EventEmitter),this.onRender=this._onRender.event,this._onRefreshRequest=this.register(new a.EventEmitter),this.onRefreshRequest=this._onRefreshRequest.event,this._renderDebouncer=new n.RenderDebouncer(((e,t)=>this._renderRows(e,t)),l),this.register(this._renderDebouncer),this.register(l.onDprChange((()=>this.handleDevicePixelRatioChange()))),this.register(o.onResize((()=>this._fullRefresh()))),this.register(o.buffers.onBufferActivate((()=>this._renderer.value?.clear()))),this.register(i.onOptionChange((()=>this._handleOptionsChanged()))),this.register(this._charSizeService.onCharSizeChange((()=>this.handleCharSizeChanged()))),this.register(r.onDecorationRegistered((()=>this._fullRefresh()))),this.register(r.onDecorationRemoved((()=>this._fullRefresh()))),this.register(i.onMultipleOptionChange(["customGlyphs","drawBoldTextInBrightColors","letterSpacing","lineHeight","fontFamily","fontSize","fontWeight","fontWeightBold","minimumContrastRatio","rescaleOverlappingGlyphs"],(()=>{this.clear(),this.handleResize(o.cols,o.rows),this._fullRefresh()}))),this.register(i.onMultipleOptionChange(["cursorBlink","cursorStyle"],(()=>this.refreshRows(o.buffer.y,o.buffer.y,!0)))),this.register(d.onChangeColors((()=>this._fullRefresh()))),this._registerIntersectionObserver(l.window,t),this.register(l.onWindowChange((e=>this._registerIntersectionObserver(e,t))))}_registerIntersectionObserver(e,t){if("IntersectionObserver"in e){const i=new e.IntersectionObserver((e=>this._handleIntersectionChange(e[e.length-1])),{threshold:0});i.observe(t),this._observerDisposable.value=(0,h.toDisposable)((()=>i.disconnect()))}}_handleIntersectionChange(e){this._isPaused=void 0===e.isIntersecting?0===e.intersectionRatio:!e.isIntersecting,this._isPaused||this._charSizeService.hasValidSize||this._charSizeService.measure(),!this._isPaused&&this._needsFullRefresh&&(this._pausedResizeTask.flush(),this.refreshRows(0,this._rowCount-1),this._needsFullRefresh=!1)}refreshRows(e,t,i=!1){this._isPaused?this._needsFullRefresh=!0:(i||(this._isNextRenderRedrawOnly=!1),this._renderDebouncer.refresh(e,t,this._rowCount))}_renderRows(e,t){this._renderer.value&&(e=Math.min(e,this._rowCount-1),t=Math.min(t,this._rowCount-1),this._renderer.value.renderRows(e,t),this._needsSelectionRefresh&&(this._renderer.value.handleSelectionChanged(this._selectionState.start,this._selectionState.end,this._selectionState.columnSelectMode),this._needsSelectionRefresh=!1),this._isNextRenderRedrawOnly||this._onRenderedViewportChange.fire({start:e,end:t}),this._onRender.fire({start:e,end:t}),this._isNextRenderRedrawOnly=!0)}resize(e,t){this._rowCount=t,this._fireOnCanvasResize()}_handleOptionsChanged(){this._renderer.value&&(this.refreshRows(0,this._rowCount-1),this._fireOnCanvasResize())}_fireOnCanvasResize(){this._renderer.value&&(this._renderer.value.dimensions.css.canvas.width===this._canvasWidth&&this._renderer.value.dimensions.css.canvas.height===this._canvasHeight||this._onDimensionsChange.fire(this._renderer.value.dimensions))}hasRenderer(){return!!this._renderer.value}setRenderer(e){this._renderer.value=e,this._renderer.value&&(this._renderer.value.onRequestRedraw((e=>this.refreshRows(e.start,e.end,!0))),this._needsSelectionRefresh=!0,this._fullRefresh())}addRefreshCallback(e){return this._renderDebouncer.addRefreshCallback(e)}_fullRefresh(){this._isPaused?this._needsFullRefresh=!0:this.refreshRows(0,this._rowCount-1)}clearTextureAtlas(){this._renderer.value&&(this._renderer.value.clearTextureAtlas?.(),this._fullRefresh())}handleDevicePixelRatioChange(){this._charSizeService.measure(),this._renderer.value&&(this._renderer.value.handleDevicePixelRatioChange(),this.refreshRows(0,this._rowCount-1))}handleResize(e,t){this._renderer.value&&(this._isPaused?this._pausedResizeTask.set((()=>this._renderer.value?.handleResize(e,t))):this._renderer.value.handleResize(e,t),this._fullRefresh())}handleCharSizeChanged(){this._renderer.value?.handleCharSizeChanged()}handleBlur(){this._renderer.value?.handleBlur()}handleFocus(){this._renderer.value?.handleFocus()}handleSelectionChanged(e,t,i){this._selectionState.start=e,this._selectionState.end=t,this._selectionState.columnSelectMode=i,this._renderer.value?.handleSelectionChanged(e,t,i)}handleCursorMove(){this._renderer.value?.handleCursorMove()}clear(){this._renderer.value?.clear()}};t.RenderService=d=s([r(2,l.IOptionsService),r(3,o.ICharSizeService),r(4,l.IDecorationService),r(5,l.IBufferService),r(6,o.ICoreBrowserService),r(7,o.IThemeService)],d)},9312:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.SelectionService=void 0;const n=i(9806),o=i(9504),a=i(456),h=i(4725),c=i(8460),l=i(844),d=i(6114),_=i(4841),u=i(511),f=i(2585),v=String.fromCharCode(160),p=new RegExp(v,"g");let g=t.SelectionService=class extends l.Disposable{constructor(e,t,i,s,r,n,o,h,d){super(),this._element=e,this._screenElement=t,this._linkifier=i,this._bufferService=s,this._coreService=r,this._mouseService=n,this._optionsService=o,this._renderService=h,this._coreBrowserService=d,this._dragScrollAmount=0,this._enabled=!0,this._workCell=new u.CellData,this._mouseDownTimeStamp=0,this._oldHasSelection=!1,this._oldSelectionStart=void 0,this._oldSelectionEnd=void 0,this._onLinuxMouseSelection=this.register(new c.EventEmitter),this.onLinuxMouseSelection=this._onLinuxMouseSelection.event,this._onRedrawRequest=this.register(new c.EventEmitter),this.onRequestRedraw=this._onRedrawRequest.event,this._onSelectionChange=this.register(new c.EventEmitter),this.onSelectionChange=this._onSelectionChange.event,this._onRequestScrollLines=this.register(new c.EventEmitter),this.onRequestScrollLines=this._onRequestScrollLines.event,this._mouseMoveListener=e=>this._handleMouseMove(e),this._mouseUpListener=e=>this._handleMouseUp(e),this._coreService.onUserInput((()=>{this.hasSelection&&this.clearSelection()})),this._trimListener=this._bufferService.buffer.lines.onTrim((e=>this._handleTrim(e))),this.register(this._bufferService.buffers.onBufferActivate((e=>this._handleBufferActivate(e)))),this.enable(),this._model=new a.SelectionModel(this._bufferService),this._activeSelectionMode=0,this.register((0,l.toDisposable)((()=>{this._removeMouseDownListeners()})))}reset(){this.clearSelection()}disable(){this.clearSelection(),this._enabled=!1}enable(){this._enabled=!0}get selectionStart(){return this._model.finalSelectionStart}get selectionEnd(){return this._model.finalSelectionEnd}get hasSelection(){const e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;return!(!e||!t||e[0]===t[0]&&e[1]===t[1])}get selectionText(){const e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;if(!e||!t)return"";const i=this._bufferService.buffer,s=[];if(3===this._activeSelectionMode){if(e[0]===t[0])return"";const r=e[0]<t[0]?e[0]:t[0],n=e[0]<t[0]?t[0]:e[0];for(let o=e[1];o<=t[1];o++){const e=i.translateBufferLineToString(o,!0,r,n);s.push(e)}}else{const r=e[1]===t[1]?t[0]:void 0;s.push(i.translateBufferLineToString(e[1],!0,e[0],r));for(let r=e[1]+1;r<=t[1]-1;r++){const e=i.lines.get(r),t=i.translateBufferLineToString(r,!0);e?.isWrapped?s[s.length-1]+=t:s.push(t)}if(e[1]!==t[1]){const e=i.lines.get(t[1]),r=i.translateBufferLineToString(t[1],!0,0,t[0]);e&&e.isWrapped?s[s.length-1]+=r:s.push(r)}}return s.map((e=>e.replace(p," "))).join(d.isWindows?"\r\n":"\n")}clearSelection(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()}refresh(e){this._refreshAnimationFrame||(this._refreshAnimationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._refresh()))),d.isLinux&&e&&this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText)}_refresh(){this._refreshAnimationFrame=void 0,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:3===this._activeSelectionMode})}_isClickInSelection(e){const t=this._getMouseBufferCoords(e),i=this._model.finalSelectionStart,s=this._model.finalSelectionEnd;return!!(i&&s&&t)&&this._areCoordsInSelection(t,i,s)}isCellInSelection(e,t){const i=this._model.finalSelectionStart,s=this._model.finalSelectionEnd;return!(!i||!s)&&this._areCoordsInSelection([e,t],i,s)}_areCoordsInSelection(e,t,i){return e[1]>t[1]&&e[1]<i[1]||t[1]===i[1]&&e[1]===t[1]&&e[0]>=t[0]&&e[0]<i[0]||t[1]<i[1]&&e[1]===i[1]&&e[0]<i[0]||t[1]<i[1]&&e[1]===t[1]&&e[0]>=t[0]}_selectWordAtCursor(e,t){const i=this._linkifier.currentLink?.link?.range;if(i)return this._model.selectionStart=[i.start.x-1,i.start.y-1],this._model.selectionStartLength=(0,_.getRangeLength)(i,this._bufferService.cols),this._model.selectionEnd=void 0,!0;const s=this._getMouseBufferCoords(e);return!!s&&(this._selectWordAt(s,t),this._model.selectionEnd=void 0,!0)}selectAll(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()}selectLines(e,t){this._model.clearSelection(),e=Math.max(e,0),t=Math.min(t,this._bufferService.buffer.lines.length-1),this._model.selectionStart=[0,e],this._model.selectionEnd=[this._bufferService.cols,t],this.refresh(),this._onSelectionChange.fire()}_handleTrim(e){this._model.handleTrim(e)&&this.refresh()}_getMouseBufferCoords(e){const t=this._mouseService.getCoords(e,this._screenElement,this._bufferService.cols,this._bufferService.rows,!0);if(t)return t[0]--,t[1]--,t[1]+=this._bufferService.buffer.ydisp,t}_getMouseEventScrollAmount(e){let t=(0,n.getCoordsRelativeToElement)(this._coreBrowserService.window,e,this._screenElement)[1];const i=this._renderService.dimensions.css.canvas.height;return t>=0&&t<=i?0:(t>i&&(t-=i),t=Math.min(Math.max(t,-50),50),t/=50,t/Math.abs(t)+Math.round(14*t))}shouldForceSelection(e){return d.isMac?e.altKey&&this._optionsService.rawOptions.macOptionClickForcesSelection:e.shiftKey}handleMouseDown(e){if(this._mouseDownTimeStamp=e.timeStamp,(2!==e.button||!this.hasSelection)&&0===e.button){if(!this._enabled){if(!this.shouldForceSelection(e))return;e.stopPropagation()}e.preventDefault(),this._dragScrollAmount=0,this._enabled&&e.shiftKey?this._handleIncrementalClick(e):1===e.detail?this._handleSingleClick(e):2===e.detail?this._handleDoubleClick(e):3===e.detail&&this._handleTripleClick(e),this._addMouseDownListeners(),this.refresh(!0)}}_addMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.addEventListener("mouseup",this._mouseUpListener)),this._dragScrollIntervalTimer=this._coreBrowserService.window.setInterval((()=>this._dragScroll()),50)}_removeMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=void 0}_handleIncrementalClick(e){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(e))}_handleSingleClick(e){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(e)?3:0,this._model.selectionStart=this._getMouseBufferCoords(e),!this._model.selectionStart)return;this._model.selectionEnd=void 0;const t=this._bufferService.buffer.lines.get(this._model.selectionStart[1]);t&&t.length!==this._model.selectionStart[0]&&0===t.hasWidth(this._model.selectionStart[0])&&this._model.selectionStart[0]++}_handleDoubleClick(e){this._selectWordAtCursor(e,!0)&&(this._activeSelectionMode=1)}_handleTripleClick(e){const t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=2,this._selectLineAt(t[1]))}shouldColumnSelect(e){return e.altKey&&!(d.isMac&&this._optionsService.rawOptions.macOptionClickForcesSelection)}_handleMouseMove(e){if(e.stopImmediatePropagation(),!this._model.selectionStart)return;const t=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;if(this._model.selectionEnd=this._getMouseBufferCoords(e),!this._model.selectionEnd)return void this.refresh(!0);2===this._activeSelectionMode?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._bufferService.cols:1===this._activeSelectionMode&&this._selectToWordAt(this._model.selectionEnd),this._dragScrollAmount=this._getMouseEventScrollAmount(e),3!==this._activeSelectionMode&&(this._dragScrollAmount>0?this._model.selectionEnd[0]=this._bufferService.cols:this._dragScrollAmount<0&&(this._model.selectionEnd[0]=0));const i=this._bufferService.buffer;if(this._model.selectionEnd[1]<i.lines.length){const e=i.lines.get(this._model.selectionEnd[1]);e&&0===e.hasWidth(this._model.selectionEnd[0])&&this._model.selectionEnd[0]<this._bufferService.cols&&this._model.selectionEnd[0]++}t&&t[0]===this._model.selectionEnd[0]&&t[1]===this._model.selectionEnd[1]||this.refresh(!0)}_dragScroll(){if(this._model.selectionEnd&&this._model.selectionStart&&this._dragScrollAmount){this._onRequestScrollLines.fire({amount:this._dragScrollAmount,suppressScrollEvent:!1});const e=this._bufferService.buffer;this._dragScrollAmount>0?(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=this._bufferService.cols),this._model.selectionEnd[1]=Math.min(e.ydisp+this._bufferService.rows,e.lines.length-1)):(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=0),this._model.selectionEnd[1]=e.ydisp),this.refresh()}}_handleMouseUp(e){const t=e.timeStamp-this._mouseDownTimeStamp;if(this._removeMouseDownListeners(),this.selectionText.length<=1&&t<500&&e.altKey&&this._optionsService.rawOptions.altClickMovesCursor){if(this._bufferService.buffer.ybase===this._bufferService.buffer.ydisp){const t=this._mouseService.getCoords(e,this._element,this._bufferService.cols,this._bufferService.rows,!1);if(t&&void 0!==t[0]&&void 0!==t[1]){const e=(0,o.moveToCellSequence)(t[0]-1,t[1]-1,this._bufferService,this._coreService.decPrivateModes.applicationCursorKeys);this._coreService.triggerDataEvent(e,!0)}}}else this._fireEventIfSelectionChanged()}_fireEventIfSelectionChanged(){const e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd,i=!(!e||!t||e[0]===t[0]&&e[1]===t[1]);i?e&&t&&(this._oldSelectionStart&&this._oldSelectionEnd&&e[0]===this._oldSelectionStart[0]&&e[1]===this._oldSelectionStart[1]&&t[0]===this._oldSelectionEnd[0]&&t[1]===this._oldSelectionEnd[1]||this._fireOnSelectionChange(e,t,i)):this._oldHasSelection&&this._fireOnSelectionChange(e,t,i)}_fireOnSelectionChange(e,t,i){this._oldSelectionStart=e,this._oldSelectionEnd=t,this._oldHasSelection=i,this._onSelectionChange.fire()}_handleBufferActivate(e){this.clearSelection(),this._trimListener.dispose(),this._trimListener=e.activeBuffer.lines.onTrim((e=>this._handleTrim(e)))}_convertViewportColToCharacterIndex(e,t){let i=t;for(let s=0;t>=s;s++){const r=e.loadCell(s,this._workCell).getChars().length;0===this._workCell.getWidth()?i--:r>1&&t!==s&&(i+=r-1)}return i}setSelection(e,t,i){this._model.clearSelection(),this._removeMouseDownListeners(),this._model.selectionStart=[e,t],this._model.selectionStartLength=i,this.refresh(),this._fireEventIfSelectionChanged()}rightClickSelect(e){this._isClickInSelection(e)||(this._selectWordAtCursor(e,!1)&&this.refresh(!0),this._fireEventIfSelectionChanged())}_getWordAt(e,t,i=!0,s=!0){if(e[0]>=this._bufferService.cols)return;const r=this._bufferService.buffer,n=r.lines.get(e[1]);if(!n)return;const o=r.translateBufferLineToString(e[1],!1);let a=this._convertViewportColToCharacterIndex(n,e[0]),h=a;const c=e[0]-a;let l=0,d=0,_=0,u=0;if(" "===o.charAt(a)){for(;a>0&&" "===o.charAt(a-1);)a--;for(;h<o.length&&" "===o.charAt(h+1);)h++}else{let t=e[0],i=e[0];0===n.getWidth(t)&&(l++,t--),2===n.getWidth(i)&&(d++,i++);const s=n.getString(i).length;for(s>1&&(u+=s-1,h+=s-1);t>0&&a>0&&!this._isCharWordSeparator(n.loadCell(t-1,this._workCell));){n.loadCell(t-1,this._workCell);const e=this._workCell.getChars().length;0===this._workCell.getWidth()?(l++,t--):e>1&&(_+=e-1,a-=e-1),a--,t--}for(;i<n.length&&h+1<o.length&&!this._isCharWordSeparator(n.loadCell(i+1,this._workCell));){n.loadCell(i+1,this._workCell);const e=this._workCell.getChars().length;2===this._workCell.getWidth()?(d++,i++):e>1&&(u+=e-1,h+=e-1),h++,i++}}h++;let f=a+c-l+_,v=Math.min(this._bufferService.cols,h-a+l+d-_-u);if(t||""!==o.slice(a,h).trim()){if(i&&0===f&&32!==n.getCodePoint(0)){const t=r.lines.get(e[1]-1);if(t&&n.isWrapped&&32!==t.getCodePoint(this._bufferService.cols-1)){const t=this._getWordAt([this._bufferService.cols-1,e[1]-1],!1,!0,!1);if(t){const e=this._bufferService.cols-t.start;f-=e,v+=e}}}if(s&&f+v===this._bufferService.cols&&32!==n.getCodePoint(this._bufferService.cols-1)){const t=r.lines.get(e[1]+1);if(t?.isWrapped&&32!==t.getCodePoint(0)){const t=this._getWordAt([0,e[1]+1],!1,!1,!0);t&&(v+=t.length)}}return{start:f,length:v}}}_selectWordAt(e,t){const i=this._getWordAt(e,t);if(i){for(;i.start<0;)i.start+=this._bufferService.cols,e[1]--;this._model.selectionStart=[i.start,e[1]],this._model.selectionStartLength=i.length}}_selectToWordAt(e){const t=this._getWordAt(e,!0);if(t){let i=e[1];for(;t.start<0;)t.start+=this._bufferService.cols,i--;if(!this._model.areSelectionValuesReversed())for(;t.start+t.length>this._bufferService.cols;)t.length-=this._bufferService.cols,i++;this._model.selectionEnd=[this._model.areSelectionValuesReversed()?t.start:t.start+t.length,i]}}_isCharWordSeparator(e){return 0!==e.getWidth()&&this._optionsService.rawOptions.wordSeparator.indexOf(e.getChars())>=0}_selectLineAt(e){const t=this._bufferService.buffer.getWrappedRangeForLine(e),i={start:{x:0,y:t.first},end:{x:this._bufferService.cols-1,y:t.last}};this._model.selectionStart=[0,t.first],this._model.selectionEnd=void 0,this._model.selectionStartLength=(0,_.getRangeLength)(i,this._bufferService.cols)}};t.SelectionService=g=s([r(3,f.IBufferService),r(4,f.ICoreService),r(5,h.IMouseService),r(6,f.IOptionsService),r(7,h.IRenderService),r(8,h.ICoreBrowserService)],g)},4725:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ILinkProviderService=t.IThemeService=t.ICharacterJoinerService=t.ISelectionService=t.IRenderService=t.IMouseService=t.ICoreBrowserService=t.ICharSizeService=void 0;const s=i(8343);t.ICharSizeService=(0,s.createDecorator)("CharSizeService"),t.ICoreBrowserService=(0,s.createDecorator)("CoreBrowserService"),t.IMouseService=(0,s.createDecorator)("MouseService"),t.IRenderService=(0,s.createDecorator)("RenderService"),t.ISelectionService=(0,s.createDecorator)("SelectionService"),t.ICharacterJoinerService=(0,s.createDecorator)("CharacterJoinerService"),t.IThemeService=(0,s.createDecorator)("ThemeService"),t.ILinkProviderService=(0,s.createDecorator)("LinkProviderService")},6731:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.ThemeService=t.DEFAULT_ANSI_COLORS=void 0;const n=i(7239),o=i(8055),a=i(8460),h=i(844),c=i(2585),l=o.css.toColor("#ffffff"),d=o.css.toColor("#000000"),_=o.css.toColor("#ffffff"),u=o.css.toColor("#000000"),f={css:"rgba(255, 255, 255, 0.3)",rgba:4294967117};t.DEFAULT_ANSI_COLORS=Object.freeze((()=>{const e=[o.css.toColor("#2e3436"),o.css.toColor("#cc0000"),o.css.toColor("#4e9a06"),o.css.toColor("#c4a000"),o.css.toColor("#3465a4"),o.css.toColor("#75507b"),o.css.toColor("#06989a"),o.css.toColor("#d3d7cf"),o.css.toColor("#555753"),o.css.toColor("#ef2929"),o.css.toColor("#8ae234"),o.css.toColor("#fce94f"),o.css.toColor("#729fcf"),o.css.toColor("#ad7fa8"),o.css.toColor("#34e2e2"),o.css.toColor("#eeeeec")],t=[0,95,135,175,215,255];for(let i=0;i<216;i++){const s=t[i/36%6|0],r=t[i/6%6|0],n=t[i%6];e.push({css:o.channels.toCss(s,r,n),rgba:o.channels.toRgba(s,r,n)})}for(let t=0;t<24;t++){const i=8+10*t;e.push({css:o.channels.toCss(i,i,i),rgba:o.channels.toRgba(i,i,i)})}return e})());let v=t.ThemeService=class extends h.Disposable{get colors(){return this._colors}constructor(e){super(),this._optionsService=e,this._contrastCache=new n.ColorContrastCache,this._halfContrastCache=new n.ColorContrastCache,this._onChangeColors=this.register(new a.EventEmitter),this.onChangeColors=this._onChangeColors.event,this._colors={foreground:l,background:d,cursor:_,cursorAccent:u,selectionForeground:void 0,selectionBackgroundTransparent:f,selectionBackgroundOpaque:o.color.blend(d,f),selectionInactiveBackgroundTransparent:f,selectionInactiveBackgroundOpaque:o.color.blend(d,f),ansi:t.DEFAULT_ANSI_COLORS.slice(),contrastCache:this._contrastCache,halfContrastCache:this._halfContrastCache},this._updateRestoreColors(),this._setTheme(this._optionsService.rawOptions.theme),this.register(this._optionsService.onSpecificOptionChange("minimumContrastRatio",(()=>this._contrastCache.clear()))),this.register(this._optionsService.onSpecificOptionChange("theme",(()=>this._setTheme(this._optionsService.rawOptions.theme))))}_setTheme(e={}){const i=this._colors;if(i.foreground=p(e.foreground,l),i.background=p(e.background,d),i.cursor=p(e.cursor,_),i.cursorAccent=p(e.cursorAccent,u),i.selectionBackgroundTransparent=p(e.selectionBackground,f),i.selectionBackgroundOpaque=o.color.blend(i.background,i.selectionBackgroundTransparent),i.selectionInactiveBackgroundTransparent=p(e.selectionInactiveBackground,i.selectionBackgroundTransparent),i.selectionInactiveBackgroundOpaque=o.color.blend(i.background,i.selectionInactiveBackgroundTransparent),i.selectionForeground=e.selectionForeground?p(e.selectionForeground,o.NULL_COLOR):void 0,i.selectionForeground===o.NULL_COLOR&&(i.selectionForeground=void 0),o.color.isOpaque(i.selectionBackgroundTransparent)){const e=.3;i.selectionBackgroundTransparent=o.color.opacity(i.selectionBackgroundTransparent,e)}if(o.color.isOpaque(i.selectionInactiveBackgroundTransparent)){const e=.3;i.selectionInactiveBackgroundTransparent=o.color.opacity(i.selectionInactiveBackgroundTransparent,e)}if(i.ansi=t.DEFAULT_ANSI_COLORS.slice(),i.ansi[0]=p(e.black,t.DEFAULT_ANSI_COLORS[0]),i.ansi[1]=p(e.red,t.DEFAULT_ANSI_COLORS[1]),i.ansi[2]=p(e.green,t.DEFAULT_ANSI_COLORS[2]),i.ansi[3]=p(e.yellow,t.DEFAULT_ANSI_COLORS[3]),i.ansi[4]=p(e.blue,t.DEFAULT_ANSI_COLORS[4]),i.ansi[5]=p(e.magenta,t.DEFAULT_ANSI_COLORS[5]),i.ansi[6]=p(e.cyan,t.DEFAULT_ANSI_COLORS[6]),i.ansi[7]=p(e.white,t.DEFAULT_ANSI_COLORS[7]),i.ansi[8]=p(e.brightBlack,t.DEFAULT_ANSI_COLORS[8]),i.ansi[9]=p(e.brightRed,t.DEFAULT_ANSI_COLORS[9]),i.ansi[10]=p(e.brightGreen,t.DEFAULT_ANSI_COLORS[10]),i.ansi[11]=p(e.brightYellow,t.DEFAULT_ANSI_COLORS[11]),i.ansi[12]=p(e.brightBlue,t.DEFAULT_ANSI_COLORS[12]),i.ansi[13]=p(e.brightMagenta,t.DEFAULT_ANSI_COLORS[13]),i.ansi[14]=p(e.brightCyan,t.DEFAULT_ANSI_COLORS[14]),i.ansi[15]=p(e.brightWhite,t.DEFAULT_ANSI_COLORS[15]),e.extendedAnsi){const s=Math.min(i.ansi.length-16,e.extendedAnsi.length);for(let r=0;r<s;r++)i.ansi[r+16]=p(e.extendedAnsi[r],t.DEFAULT_ANSI_COLORS[r+16])}this._contrastCache.clear(),this._halfContrastCache.clear(),this._updateRestoreColors(),this._onChangeColors.fire(this.colors)}restoreColor(e){this._restoreColor(e),this._onChangeColors.fire(this.colors)}_restoreColor(e){if(void 0!==e)switch(e){case 256:this._colors.foreground=this._restoreColors.foreground;break;case 257:this._colors.background=this._restoreColors.background;break;case 258:this._colors.cursor=this._restoreColors.cursor;break;default:this._colors.ansi[e]=this._restoreColors.ansi[e]}else for(let e=0;e<this._restoreColors.ansi.length;++e)this._colors.ansi[e]=this._restoreColors.ansi[e]}modifyColors(e){e(this._colors),this._onChangeColors.fire(this.colors)}_updateRestoreColors(){this._restoreColors={foreground:this._colors.foreground,background:this._colors.background,cursor:this._colors.cursor,ansi:this._colors.ansi.slice()}}};function p(e,t){if(void 0!==e)try{return o.css.toColor(e)}catch{}return t}t.ThemeService=v=s([r(0,c.IOptionsService)],v)},6349:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.CircularList=void 0;const s=i(8460),r=i(844);class n extends r.Disposable{constructor(e){super(),this._maxLength=e,this.onDeleteEmitter=this.register(new s.EventEmitter),this.onDelete=this.onDeleteEmitter.event,this.onInsertEmitter=this.register(new s.EventEmitter),this.onInsert=this.onInsertEmitter.event,this.onTrimEmitter=this.register(new s.EventEmitter),this.onTrim=this.onTrimEmitter.event,this._array=new Array(this._maxLength),this._startIndex=0,this._length=0}get maxLength(){return this._maxLength}set maxLength(e){if(this._maxLength===e)return;const t=new Array(e);for(let i=0;i<Math.min(e,this.length);i++)t[i]=this._array[this._getCyclicIndex(i)];this._array=t,this._maxLength=e,this._startIndex=0}get length(){return this._length}set length(e){if(e>this._length)for(let 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s=0;s<t;s++)this.set(e+s+i,this.get(e+s))}}_getCyclicIndex(e){return(this._startIndex+e)%this._maxLength}}t.CircularList=n},1439:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.clone=void 0,t.clone=function e(t,i=5){if("object"!=typeof t)return t;const s=Array.isArray(t)?[]:{};for(const r in t)s[r]=i<=1?t[r]:t[r]&&e(t[r],i-1);return s}},8055:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.contrastRatio=t.toPaddedHex=t.rgba=t.rgb=t.css=t.color=t.channels=t.NULL_COLOR=void 0;let i=0,s=0,r=0,n=0;var o,a,h,c,l;function d(e){const t=e.toString(16);return t.length<2?"0"+t:t}function _(e,t){return e<t?(t+.05)/(e+.05):(e+.05)/(t+.05)}t.NULL_COLOR={css:"#00000000",rgba:0},function(e){e.toCss=function(e,t,i,s){return void 0!==s?`#${d(e)}${d(t)}${d(i)}${d(s)}`:`#${d(e)}${d(t)}${d(i)}`},e.toRgba=function(e,t,i,s=255){return(e<<24|t<<16|i<<8|s)>>>0},e.toColor=function(t,i,s,r){return{css:e.toCss(t,i,s,r),rgba:e.toRgba(t,i,s,r)}}}(o||(t.channels=o={})),function(e){function t(e,t){return n=Math.round(255*t),[i,s,r]=l.toChannels(e.rgba),{css:o.toCss(i,s,r,n),rgba:o.toRgba(i,s,r,n)}}e.blend=function(e,t){if(n=(255&t.rgba)/255,1===n)return{css:t.css,rgba:t.rgba};const a=t.rgba>>24&255,h=t.rgba>>16&255,c=t.rgba>>8&255,l=e.rgba>>24&255,d=e.rgba>>16&255,_=e.rgba>>8&255;return i=l+Math.round((a-l)*n),s=d+Math.round((h-d)*n),r=_+Math.round((c-_)*n),{css:o.toCss(i,s,r),rgba:o.toRgba(i,s,r)}},e.isOpaque=function(e){return 255==(255&e.rgba)},e.ensureContrastRatio=function(e,t,i){const s=l.ensureContrastRatio(e.rgba,t.rgba,i);if(s)return o.toColor(s>>24&255,s>>16&255,s>>8&255)},e.opaque=function(e){const t=(255|e.rgba)>>>0;return[i,s,r]=l.toChannels(t),{css:o.toCss(i,s,r),rgba:t}},e.opacity=t,e.multiplyOpacity=function(e,i){return n=255&e.rgba,t(e,n*i/255)},e.toColorRGB=function(e){return[e.rgba>>24&255,e.rgba>>16&255,e.rgba>>8&255]}}(a||(t.color=a={})),function(e){let t,a;try{const e=document.createElement("canvas");e.width=1,e.height=1;const i=e.getContext("2d",{willReadFrequently:!0});i&&(t=i,t.globalCompositeOperation="copy",a=t.createLinearGradient(0,0,1,1))}catch{}e.toColor=function(e){if(e.match(/#[\da-f]{3,8}/i))switch(e.length){case 4:return i=parseInt(e.slice(1,2).repeat(2),16),s=parseInt(e.slice(2,3).repeat(2),16),r=parseInt(e.slice(3,4).repeat(2),16),o.toColor(i,s,r);case 5:return i=parseInt(e.slice(1,2).repeat(2),16),s=parseInt(e.slice(2,3).repeat(2),16),r=parseInt(e.slice(3,4).repeat(2),16),n=parseInt(e.slice(4,5).repeat(2),16),o.toColor(i,s,r,n);case 7:return{css:e,rgba:(parseInt(e.slice(1),16)<<8|255)>>>0};case 9:return{css:e,rgba:parseInt(e.slice(1),16)>>>0}}const h=e.match(/rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(,\s*(0|1|\d?\.(\d+))\s*)?\)/);if(h)return i=parseInt(h[1]),s=parseInt(h[2]),r=parseInt(h[3]),n=Math.round(255*(void 0===h[5]?1:parseFloat(h[5]))),o.toColor(i,s,r,n);if(!t||!a)throw new Error("css.toColor: Unsupported css format");if(t.fillStyle=a,t.fillStyle=e,"string"!=typeof t.fillStyle)throw new Error("css.toColor: Unsupported css format");if(t.fillRect(0,0,1,1),[i,s,r,n]=t.getImageData(0,0,1,1).data,255!==n)throw new Error("css.toColor: Unsupported css format");return{rgba:o.toRgba(i,s,r,n),css:e}}}(h||(t.css=h={})),function(e){function t(e,t,i){const s=e/255,r=t/255,n=i/255;return.2126*(s<=.03928?s/12.92:Math.pow((s+.055)/1.055,2.4))+.7152*(r<=.03928?r/12.92:Math.pow((r+.055)/1.055,2.4))+.0722*(n<=.03928?n/12.92:Math.pow((n+.055)/1.055,2.4))}e.relativeLuminance=function(e){return t(e>>16&255,e>>8&255,255&e)},e.relativeLuminance2=t}(c||(t.rgb=c={})),function(e){function t(e,t,i){const s=e>>24&255,r=e>>16&255,n=e>>8&255;let o=t>>24&255,a=t>>16&255,h=t>>8&255,l=_(c.relativeLuminance2(o,a,h),c.relativeLuminance2(s,r,n));for(;l<i&&(o>0||a>0||h>0);)o-=Math.max(0,Math.ceil(.1*o)),a-=Math.max(0,Math.ceil(.1*a)),h-=Math.max(0,Math.ceil(.1*h)),l=_(c.relativeLuminance2(o,a,h),c.relativeLuminance2(s,r,n));return(o<<24|a<<16|h<<8|255)>>>0}function a(e,t,i){const s=e>>24&255,r=e>>16&255,n=e>>8&255;let o=t>>24&255,a=t>>16&255,h=t>>8&255,l=_(c.relativeLuminance2(o,a,h),c.relativeLuminance2(s,r,n));for(;l<i&&(o<255||a<255||h<255);)o=Math.min(255,o+Math.ceil(.1*(255-o))),a=Math.min(255,a+Math.ceil(.1*(255-a))),h=Math.min(255,h+Math.ceil(.1*(255-h))),l=_(c.relativeLuminance2(o,a,h),c.relativeLuminance2(s,r,n));return(o<<24|a<<16|h<<8|255)>>>0}e.blend=function(e,t){if(n=(255&t)/255,1===n)return t;const a=t>>24&255,h=t>>16&255,c=t>>8&255,l=e>>24&255,d=e>>16&255,_=e>>8&255;return i=l+Math.round((a-l)*n),s=d+Math.round((h-d)*n),r=_+Math.round((c-_)*n),o.toRgba(i,s,r)},e.ensureContrastRatio=function(e,i,s){const r=c.relativeLuminance(e>>8),n=c.relativeLuminance(i>>8);if(_(r,n)<s){if(n<r){const n=t(e,i,s),o=_(r,c.relativeLuminance(n>>8));if(o<s){const t=a(e,i,s);return o>_(r,c.relativeLuminance(t>>8))?n:t}return n}const o=a(e,i,s),h=_(r,c.relativeLuminance(o>>8));if(h<s){const n=t(e,i,s);return h>_(r,c.relativeLuminance(n>>8))?o:n}return o}},e.reduceLuminance=t,e.increaseLuminance=a,e.toChannels=function(e){return[e>>24&255,e>>16&255,e>>8&255,255&e]}}(l||(t.rgba=l={})),t.toPaddedHex=d,t.contrastRatio=_},8969:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.CoreTerminal=void 0;const s=i(844),r=i(2585),n=i(4348),o=i(7866),a=i(744),h=i(7302),c=i(6975),l=i(8460),d=i(1753),_=i(1480),u=i(7994),f=i(9282),v=i(5435),p=i(5981),g=i(2660);let m=!1;class S extends s.Disposable{get onScroll(){return this._onScrollApi||(this._onScrollApi=this.register(new l.EventEmitter),this._onScroll.event((e=>{this._onScrollApi?.fire(e.position)}))),this._onScrollApi.event}get cols(){return this._bufferService.cols}get rows(){return this._bufferService.rows}get buffers(){return this._bufferService.buffers}get options(){return this.optionsService.options}set options(e){for(const t in e)this.optionsService.options[t]=e[t]}constructor(e){super(),this._windowsWrappingHeuristics=this.register(new s.MutableDisposable),this._onBinary=this.register(new l.EventEmitter),this.onBinary=this._onBinary.event,this._onData=this.register(new l.EventEmitter),this.onData=this._onData.event,this._onLineFeed=this.register(new l.EventEmitter),this.onLineFeed=this._onLineFeed.event,this._onResize=this.register(new l.EventEmitter),this.onResize=this._onResize.event,this._onWriteParsed=this.register(new l.EventEmitter),this.onWriteParsed=this._onWriteParsed.event,this._onScroll=this.register(new l.EventEmitter),this._instantiationService=new n.InstantiationService,this.optionsService=this.register(new h.OptionsService(e)),this._instantiationService.setService(r.IOptionsService,this.optionsService),this._bufferService=this.register(this._instantiationService.createInstance(a.BufferService)),this._instantiationService.setService(r.IBufferService,this._bufferService),this._logService=this.register(this._instantiationService.createInstance(o.LogService)),this._instantiationService.setService(r.ILogService,this._logService),this.coreService=this.register(this._instantiationService.createInstance(c.CoreService)),this._instantiationService.setService(r.ICoreService,this.coreService),this.coreMouseService=this.register(this._instantiationService.createInstance(d.CoreMouseService)),this._instantiationService.setService(r.ICoreMouseService,this.coreMouseService),this.unicodeService=this.register(this._instantiationService.createInstance(_.UnicodeService)),this._instantiationService.setService(r.IUnicodeService,this.unicodeService),this._charsetService=this._instantiationService.createInstance(u.CharsetService),this._instantiationService.setService(r.ICharsetService,this._charsetService),this._oscLinkService=this._instantiationService.createInstance(g.OscLinkService),this._instantiationService.setService(r.IOscLinkService,this._oscLinkService),this._inputHandler=this.register(new v.InputHandler(this._bufferService,this._charsetService,this.coreService,this._logService,this.optionsService,this._oscLinkService,this.coreMouseService,this.unicodeService)),this.register((0,l.forwardEvent)(this._inputHandler.onLineFeed,this._onLineFeed)),this.register(this._inputHandler),this.register((0,l.forwardEvent)(this._bufferService.onResize,this._onResize)),this.register((0,l.forwardEvent)(this.coreService.onData,this._onData)),this.register((0,l.forwardEvent)(this.coreService.onBinary,this._onBinary)),this.register(this.coreService.onRequestScrollToBottom((()=>this.scrollToBottom()))),this.register(this.coreService.onUserInput((()=>this._writeBuffer.handleUserInput()))),this.register(this.optionsService.onMultipleOptionChange(["windowsMode","windowsPty"],(()=>this._handleWindowsPtyOptionChange()))),this.register(this._bufferService.onScroll((e=>{this._onScroll.fire({position:this._bufferService.buffer.ydisp,source:0}),this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop,this._bufferService.buffer.scrollBottom)}))),this.register(this._inputHandler.onScroll((e=>{this._onScroll.fire({position:this._bufferService.buffer.ydisp,source:0}),this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop,this._bufferService.buffer.scrollBottom)}))),this._writeBuffer=this.register(new p.WriteBuffer(((e,t)=>this._inputHandler.parse(e,t)))),this.register((0,l.forwardEvent)(this._writeBuffer.onWriteParsed,this._onWriteParsed))}write(e,t){this._writeBuffer.write(e,t)}writeSync(e,t){this._logService.logLevel<=r.LogLevelEnum.WARN&&!m&&(this._logService.warn("writeSync is unreliable and will be removed soon."),m=!0),this._writeBuffer.writeSync(e,t)}input(e,t=!0){this.coreService.triggerDataEvent(e,t)}resize(e,t){isNaN(e)||isNaN(t)||(e=Math.max(e,a.MINIMUM_COLS),t=Math.max(t,a.MINIMUM_ROWS),this._bufferService.resize(e,t))}scroll(e,t=!1){this._bufferService.scroll(e,t)}scrollLines(e,t,i){this._bufferService.scrollLines(e,t,i)}scrollPages(e){this.scrollLines(e*(this.rows-1))}scrollToTop(){this.scrollLines(-this._bufferService.buffer.ydisp)}scrollToBottom(){this.scrollLines(this._bufferService.buffer.ybase-this._bufferService.buffer.ydisp)}scrollToLine(e){const t=e-this._bufferService.buffer.ydisp;0!==t&&this.scrollLines(t)}registerEscHandler(e,t){return this._inputHandler.registerEscHandler(e,t)}registerDcsHandler(e,t){return this._inputHandler.registerDcsHandler(e,t)}registerCsiHandler(e,t){return this._inputHandler.registerCsiHandler(e,t)}registerOscHandler(e,t){return this._inputHandler.registerOscHandler(e,t)}_setup(){this._handleWindowsPtyOptionChange()}reset(){this._inputHandler.reset(),this._bufferService.reset(),this._charsetService.reset(),this.coreService.reset(),this.coreMouseService.reset()}_handleWindowsPtyOptionChange(){let e=!1;const t=this.optionsService.rawOptions.windowsPty;t&&void 0!==t.buildNumber&&void 0!==t.buildNumber?e=!!("conpty"===t.backend&&t.buildNumber<21376):this.optionsService.rawOptions.windowsMode&&(e=!0),e?this._enableWindowsWrappingHeuristics():this._windowsWrappingHeuristics.clear()}_enableWindowsWrappingHeuristics(){if(!this._windowsWrappingHeuristics.value){const e=[];e.push(this.onLineFeed(f.updateWindowsModeWrappedState.bind(null,this._bufferService))),e.push(this.registerCsiHandler({final:"H"},(()=>((0,f.updateWindowsModeWrappedState)(this._bufferService),!1)))),this._windowsWrappingHeuristics.value=(0,s.toDisposable)((()=>{for(const t of e)t.dispose()}))}}}t.CoreTerminal=S},8460:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.runAndSubscribe=t.forwardEvent=t.EventEmitter=void 0,t.EventEmitter=class{constructor(){this._listeners=[],this._disposed=!1}get event(){return this._event||(this._event=e=>(this._listeners.push(e),{dispose:()=>{if(!this._disposed)for(let t=0;t<this._listeners.length;t++)if(this._listeners[t]===e)return void this._listeners.splice(t,1)}})),this._event}fire(e,t){const i=[];for(let e=0;e<this._listeners.length;e++)i.push(this._listeners[e]);for(let s=0;s<i.length;s++)i[s].call(void 0,e,t)}dispose(){this.clearListeners(),this._disposed=!0}clearListeners(){this._listeners&&(this._listeners.length=0)}},t.forwardEvent=function(e,t){return e((e=>t.fire(e)))},t.runAndSubscribe=function(e,t){return t(void 0),e((e=>t(e)))}},5435:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.InputHandler=t.WindowsOptionsReportType=void 0;const n=i(2584),o=i(7116),a=i(2015),h=i(844),c=i(482),l=i(8437),d=i(8460),_=i(643),u=i(511),f=i(3734),v=i(2585),p=i(1480),g=i(6242),m=i(6351),S=i(5941),C={"(":0,")":1,"*":2,"+":3,"-":1,".":2},b=131072;function w(e,t){if(e>24)return t.setWinLines||!1;switch(e){case 1:return!!t.restoreWin;case 2:return!!t.minimizeWin;case 3:return!!t.setWinPosition;case 4:return!!t.setWinSizePixels;case 5:return!!t.raiseWin;case 6:return!!t.lowerWin;case 7:return!!t.refreshWin;case 8:return!!t.setWinSizeChars;case 9:return!!t.maximizeWin;case 10:return!!t.fullscreenWin;case 11:return!!t.getWinState;case 13:return!!t.getWinPosition;case 14:return!!t.getWinSizePixels;case 15:return!!t.getScreenSizePixels;case 16:return!!t.getCellSizePixels;case 18:return!!t.getWinSizeChars;case 19:return!!t.getScreenSizeChars;case 20:return!!t.getIconTitle;case 21:return!!t.getWinTitle;case 22:return!!t.pushTitle;case 23:return!!t.popTitle;case 24:return!!t.setWinLines}return!1}var y;!function(e){e[e.GET_WIN_SIZE_PIXELS=0]="GET_WIN_SIZE_PIXELS",e[e.GET_CELL_SIZE_PIXELS=1]="GET_CELL_SIZE_PIXELS"}(y||(t.WindowsOptionsReportType=y={}));let E=0;class k extends h.Disposable{getAttrData(){return this._curAttrData}constructor(e,t,i,s,r,h,_,f,v=new a.EscapeSequenceParser){super(),this._bufferService=e,this._charsetService=t,this._coreService=i,this._logService=s,this._optionsService=r,this._oscLinkService=h,this._coreMouseService=_,this._unicodeService=f,this._parser=v,this._parseBuffer=new Uint32Array(4096),this._stringDecoder=new c.StringToUtf32,this._utf8Decoder=new c.Utf8ToUtf32,this._workCell=new u.CellData,this._windowTitle="",this._iconName="",this._windowTitleStack=[],this._iconNameStack=[],this._curAttrData=l.DEFAULT_ATTR_DATA.clone(),this._eraseAttrDataInternal=l.DEFAULT_ATTR_DATA.clone(),this._onRequestBell=this.register(new d.EventEmitter),this.onRequestBell=this._onRequestBell.event,this._onRequestRefreshRows=this.register(new d.EventEmitter),this.onRequestRefreshRows=this._onRequestRefreshRows.event,this._onRequestReset=this.register(new d.EventEmitter),this.onRequestReset=this._onRequestReset.event,this._onRequestSendFocus=this.register(new d.EventEmitter),this.onRequestSendFocus=this._onRequestSendFocus.event,this._onRequestSyncScrollBar=this.register(new d.EventEmitter),this.onRequestSyncScrollBar=this._onRequestSyncScrollBar.event,this._onRequestWindowsOptionsReport=this.register(new d.EventEmitter),this.onRequestWindowsOptionsReport=this._onRequestWindowsOptionsReport.event,this._onA11yChar=this.register(new d.EventEmitter),this.onA11yChar=this._onA11yChar.event,this._onA11yTab=this.register(new d.EventEmitter),this.onA11yTab=this._onA11yTab.event,this._onCursorMove=this.register(new d.EventEmitter),this.onCursorMove=this._onCursorMove.event,this._onLineFeed=this.register(new d.EventEmitter),this.onLineFeed=this._onLineFeed.event,this._onScroll=this.register(new d.EventEmitter),this.onScroll=this._onScroll.event,this._onTitleChange=this.register(new d.EventEmitter),this.onTitleChange=this._onTitleChange.event,this._onColor=this.register(new d.EventEmitter),this.onColor=this._onColor.event,this._parseStack={paused:!1,cursorStartX:0,cursorStartY:0,decodedLength:0,position:0},this._specialColors=[256,257,258],this.register(this._parser),this._dirtyRowTracker=new L(this._bufferService),this._activeBuffer=this._bufferService.buffer,this.register(this._bufferService.buffers.onBufferActivate((e=>this._activeBuffer=e.activeBuffer))),this._parser.setCsiHandlerFallback(((e,t)=>{this._logService.debug("Unknown CSI code: ",{identifier:this._parser.identToString(e),params:t.toArray()})})),this._parser.setEscHandlerFallback((e=>{this._logService.debug("Unknown ESC code: ",{identifier:this._parser.identToString(e)})})),this._parser.setExecuteHandlerFallback((e=>{this._logService.debug("Unknown EXECUTE code: ",{code:e})})),this._parser.setOscHandlerFallback(((e,t,i)=>{this._logService.debug("Unknown OSC code: ",{identifier:e,action:t,data:i})})),this._parser.setDcsHandlerFallback(((e,t,i)=>{"HOOK"===t&&(i=i.toArray()),this._logService.debug("Unknown DCS code: ",{identifier:this._parser.identToString(e),action:t,payload:i})})),this._parser.setPrintHandler(((e,t,i)=>this.print(e,t,i))),this._parser.registerCsiHandler({final:"@"},(e=>this.insertChars(e))),this._parser.registerCsiHandler({intermediates:" ",final:"@"},(e=>this.scrollLeft(e))),this._parser.registerCsiHandler({final:"A"},(e=>this.cursorUp(e))),this._parser.registerCsiHandler({intermediates:" ",final:"A"},(e=>this.scrollRight(e))),this._parser.registerCsiHandler({final:"B"},(e=>this.cursorDown(e))),this._parser.registerCsiHandler({final:"C"},(e=>this.cursorForward(e))),this._parser.registerCsiHandler({final:"D"},(e=>this.cursorBackward(e))),this._parser.registerCsiHandler({final:"E"},(e=>this.cursorNextLine(e))),this._parser.registerCsiHandler({final:"F"},(e=>this.cursorPrecedingLine(e))),this._parser.registerCsiHandler({final:"G"},(e=>this.cursorCharAbsolute(e))),this._parser.registerCsiHandler({final:"H"},(e=>this.cursorPosition(e))),this._parser.registerCsiHandler({final:"I"},(e=>this.cursorForwardTab(e))),this._parser.registerCsiHandler({final:"J"},(e=>this.eraseInDisplay(e,!1))),this._parser.registerCsiHandler({prefix:"?",final:"J"},(e=>this.eraseInDisplay(e,!0))),this._parser.registerCsiHandler({final:"K"},(e=>this.eraseInLine(e,!1))),this._parser.registerCsiHandler({prefix:"?",final:"K"},(e=>this.eraseInLine(e,!0))),this._parser.registerCsiHandler({final:"L"},(e=>this.insertLines(e))),this._parser.registerCsiHandler({final:"M"},(e=>this.deleteLines(e))),this._parser.registerCsiHandler({final:"P"},(e=>this.deleteChars(e))),this._parser.registerCsiHandler({final:"S"},(e=>this.scrollUp(e))),this._parser.registerCsiHandler({final:"T"},(e=>this.scrollDown(e))),this._parser.registerCsiHandler({final:"X"},(e=>this.eraseChars(e))),this._parser.registerCsiHandler({final:"Z"},(e=>this.cursorBackwardTab(e))),this._parser.registerCsiHandler({final:"`"},(e=>this.charPosAbsolute(e))),this._parser.registerCsiHandler({final:"a"},(e=>this.hPositionRelative(e))),this._parser.registerCsiHandler({final:"b"},(e=>this.repeatPrecedingCharacter(e))),this._parser.registerCsiHandler({final:"c"},(e=>this.sendDeviceAttributesPrimary(e))),this._parser.registerCsiHandler({prefix:">",final:"c"},(e=>this.sendDeviceAttributesSecondary(e))),this._parser.registerCsiHandler({final:"d"},(e=>this.linePosAbsolute(e))),this._parser.registerCsiHandler({final:"e"},(e=>this.vPositionRelative(e))),this._parser.registerCsiHandler({final:"f"},(e=>this.hVPosition(e))),this._parser.registerCsiHandler({final:"g"},(e=>this.tabClear(e))),this._parser.registerCsiHandler({final:"h"},(e=>this.setMode(e))),this._parser.registerCsiHandler({prefix:"?",final:"h"},(e=>this.setModePrivate(e))),this._parser.registerCsiHandler({final:"l"},(e=>this.resetMode(e))),this._parser.registerCsiHandler({prefix:"?",final:"l"},(e=>this.resetModePrivate(e))),this._parser.registerCsiHandler({final:"m"},(e=>this.charAttributes(e))),this._parser.registerCsiHandler({final:"n"},(e=>this.deviceStatus(e))),this._parser.registerCsiHandler({prefix:"?",final:"n"},(e=>this.deviceStatusPrivate(e))),this._parser.registerCsiHandler({intermediates:"!",final:"p"},(e=>this.softReset(e))),this._parser.registerCsiHandler({intermediates:" ",final:"q"},(e=>this.setCursorStyle(e))),this._parser.registerCsiHandler({final:"r"},(e=>this.setScrollRegion(e))),this._parser.registerCsiHandler({final:"s"},(e=>this.saveCursor(e))),this._parser.registerCsiHandler({final:"t"},(e=>this.windowOptions(e))),this._parser.registerCsiHandler({final:"u"},(e=>this.restoreCursor(e))),this._parser.registerCsiHandler({intermediates:"'",final:"}"},(e=>this.insertColumns(e))),this._parser.registerCsiHandler({intermediates:"'",final:"~"},(e=>this.deleteColumns(e))),this._parser.registerCsiHandler({intermediates:'"',final:"q"},(e=>this.selectProtected(e))),this._parser.registerCsiHandler({intermediates:"$",final:"p"},(e=>this.requestMode(e,!0))),this._parser.registerCsiHandler({prefix:"?",intermediates:"$",final:"p"},(e=>this.requestMode(e,!1))),this._parser.setExecuteHandler(n.C0.BEL,(()=>this.bell())),this._parser.setExecuteHandler(n.C0.LF,(()=>this.lineFeed())),this._parser.setExecuteHandler(n.C0.VT,(()=>this.lineFeed())),this._parser.setExecuteHandler(n.C0.FF,(()=>this.lineFeed())),this._parser.setExecuteHandler(n.C0.CR,(()=>this.carriageReturn())),this._parser.setExecuteHandler(n.C0.BS,(()=>this.backspace())),this._parser.setExecuteHandler(n.C0.HT,(()=>this.tab())),this._parser.setExecuteHandler(n.C0.SO,(()=>this.shiftOut())),this._parser.setExecuteHandler(n.C0.SI,(()=>this.shiftIn())),this._parser.setExecuteHandler(n.C1.IND,(()=>this.index())),this._parser.setExecuteHandler(n.C1.NEL,(()=>this.nextLine())),this._parser.setExecuteHandler(n.C1.HTS,(()=>this.tabSet())),this._parser.registerOscHandler(0,new g.OscHandler((e=>(this.setTitle(e),this.setIconName(e),!0)))),this._parser.registerOscHandler(1,new g.OscHandler((e=>this.setIconName(e)))),this._parser.registerOscHandler(2,new g.OscHandler((e=>this.setTitle(e)))),this._parser.registerOscHandler(4,new g.OscHandler((e=>this.setOrReportIndexedColor(e)))),this._parser.registerOscHandler(8,new g.OscHandler((e=>this.setHyperlink(e)))),this._parser.registerOscHandler(10,new g.OscHandler((e=>this.setOrReportFgColor(e)))),this._parser.registerOscHandler(11,new g.OscHandler((e=>this.setOrReportBgColor(e)))),this._parser.registerOscHandler(12,new g.OscHandler((e=>this.setOrReportCursorColor(e)))),this._parser.registerOscHandler(104,new g.OscHandler((e=>this.restoreIndexedColor(e)))),this._parser.registerOscHandler(110,new g.OscHandler((e=>this.restoreFgColor(e)))),this._parser.registerOscHandler(111,new g.OscHandler((e=>this.restoreBgColor(e)))),this._parser.registerOscHandler(112,new g.OscHandler((e=>this.restoreCursorColor(e)))),this._parser.registerEscHandler({final:"7"},(()=>this.saveCursor())),this._parser.registerEscHandler({final:"8"},(()=>this.restoreCursor())),this._parser.registerEscHandler({final:"D"},(()=>this.index())),this._parser.registerEscHandler({final:"E"},(()=>this.nextLine())),this._parser.registerEscHandler({final:"H"},(()=>this.tabSet())),this._parser.registerEscHandler({final:"M"},(()=>this.reverseIndex())),this._parser.registerEscHandler({final:"="},(()=>this.keypadApplicationMode())),this._parser.registerEscHandler({final:">"},(()=>this.keypadNumericMode())),this._parser.registerEscHandler({final:"c"},(()=>this.fullReset())),this._parser.registerEscHandler({final:"n"},(()=>this.setgLevel(2))),this._parser.registerEscHandler({final:"o"},(()=>this.setgLevel(3))),this._parser.registerEscHandler({final:"|"},(()=>this.setgLevel(3))),this._parser.registerEscHandler({final:"}"},(()=>this.setgLevel(2))),this._parser.registerEscHandler({final:"~"},(()=>this.setgLevel(1))),this._parser.registerEscHandler({intermediates:"%",final:"@"},(()=>this.selectDefaultCharset())),this._parser.registerEscHandler({intermediates:"%",final:"G"},(()=>this.selectDefaultCharset()));for(const e in o.CHARSETS)this._parser.registerEscHandler({intermediates:"(",final:e},(()=>this.selectCharset("("+e))),this._parser.registerEscHandler({intermediates:")",final:e},(()=>this.selectCharset(")"+e))),this._parser.registerEscHandler({intermediates:"*",final:e},(()=>this.selectCharset("*"+e))),this._parser.registerEscHandler({intermediates:"+",final:e},(()=>this.selectCharset("+"+e))),this._parser.registerEscHandler({intermediates:"-",final:e},(()=>this.selectCharset("-"+e))),this._parser.registerEscHandler({intermediates:".",final:e},(()=>this.selectCharset("."+e))),this._parser.registerEscHandler({intermediates:"/",final:e},(()=>this.selectCharset("/"+e)));this._parser.registerEscHandler({intermediates:"#",final:"8"},(()=>this.screenAlignmentPattern())),this._parser.setErrorHandler((e=>(this._logService.error("Parsing error: ",e),e))),this._parser.registerDcsHandler({intermediates:"$",final:"q"},new m.DcsHandler(((e,t)=>this.requestStatusString(e,t))))}_preserveStack(e,t,i,s){this._parseStack.paused=!0,this._parseStack.cursorStartX=e,this._parseStack.cursorStartY=t,this._parseStack.decodedLength=i,this._parseStack.position=s}_logSlowResolvingAsync(e){this._logService.logLevel<=v.LogLevelEnum.WARN&&Promise.race([e,new Promise(((e,t)=>setTimeout((()=>t("#SLOW_TIMEOUT")),5e3)))]).catch((e=>{if("#SLOW_TIMEOUT"!==e)throw e;console.warn("async parser handler taking longer than 5000 ms")}))}_getCurrentLinkId(){return this._curAttrData.extended.urlId}parse(e,t){let i,s=this._activeBuffer.x,r=this._activeBuffer.y,n=0;const o=this._parseStack.paused;if(o){if(i=this._parser.parse(this._parseBuffer,this._parseStack.decodedLength,t))return this._logSlowResolvingAsync(i),i;s=this._parseStack.cursorStartX,r=this._parseStack.cursorStartY,this._parseStack.paused=!1,e.length>b&&(n=this._parseStack.position+b)}if(this._logService.logLevel<=v.LogLevelEnum.DEBUG&&this._logService.debug("parsing data"+("string"==typeof e?` "${e}"`:` "${Array.prototype.map.call(e,(e=>String.fromCharCode(e))).join("")}"`),"string"==typeof e?e.split("").map((e=>e.charCodeAt(0))):e),this._parseBuffer.length<e.length&&this._parseBuffer.length<b&&(this._parseBuffer=new Uint32Array(Math.min(e.length,b))),o||this._dirtyRowTracker.clearRange(),e.length>b)for(let t=n;t<e.length;t+=b){const n=t+b<e.length?t+b:e.length,o="string"==typeof e?this._stringDecoder.decode(e.substring(t,n),this._parseBuffer):this._utf8Decoder.decode(e.subarray(t,n),this._parseBuffer);if(i=this._parser.parse(this._parseBuffer,o))return this._preserveStack(s,r,o,t),this._logSlowResolvingAsync(i),i}else if(!o){const t="string"==typeof e?this._stringDecoder.decode(e,this._parseBuffer):this._utf8Decoder.decode(e,this._parseBuffer);if(i=this._parser.parse(this._parseBuffer,t))return this._preserveStack(s,r,t,0),this._logSlowResolvingAsync(i),i}this._activeBuffer.x===s&&this._activeBuffer.y===r||this._onCursorMove.fire();const a=this._dirtyRowTracker.end+(this._bufferService.buffer.ybase-this._bufferService.buffer.ydisp),h=this._dirtyRowTracker.start+(this._bufferService.buffer.ybase-this._bufferService.buffer.ydisp);h<this._bufferService.rows&&this._onRequestRefreshRows.fire(Math.min(h,this._bufferService.rows-1),Math.min(a,this._bufferService.rows-1))}print(e,t,i){let s,r;const n=this._charsetService.charset,o=this._optionsService.rawOptions.screenReaderMode,a=this._bufferService.cols,h=this._coreService.decPrivateModes.wraparound,d=this._coreService.modes.insertMode,u=this._curAttrData;let f=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._activeBuffer.x&&i-t>0&&2===f.getWidth(this._activeBuffer.x-1)&&f.setCellFromCodepoint(this._activeBuffer.x-1,0,1,u);let v=this._parser.precedingJoinState;for(let g=t;g<i;++g){if(s=e[g],s<127&&n){const e=n[String.fromCharCode(s)];e&&(s=e.charCodeAt(0))}const t=this._unicodeService.charProperties(s,v);r=p.UnicodeService.extractWidth(t);const i=p.UnicodeService.extractShouldJoin(t),m=i?p.UnicodeService.extractWidth(v):0;if(v=t,o&&this._onA11yChar.fire((0,c.stringFromCodePoint)(s)),this._getCurrentLinkId()&&this._oscLinkService.addLineToLink(this._getCurrentLinkId(),this._activeBuffer.ybase+this._activeBuffer.y),this._activeBuffer.x+r-m>a)if(h){const e=f;let t=this._activeBuffer.x-m;for(this._activeBuffer.x=m,this._activeBuffer.y++,this._activeBuffer.y===this._activeBuffer.scrollBottom+1?(this._activeBuffer.y--,this._bufferService.scroll(this._eraseAttrData(),!0)):(this._activeBuffer.y>=this._bufferService.rows&&(this._activeBuffer.y=this._bufferService.rows-1),this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).isWrapped=!0),f=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y),m>0&&f instanceof l.BufferLine&&f.copyCellsFrom(e,t,0,m,!1);t<a;)e.setCellFromCodepoint(t++,0,1,u)}else if(this._activeBuffer.x=a-1,2===r)continue;if(i&&this._activeBuffer.x){const e=f.getWidth(this._activeBuffer.x-1)?1:2;f.addCodepointToCell(this._activeBuffer.x-e,s,r);for(let e=r-m;--e>=0;)f.setCellFromCodepoint(this._activeBuffer.x++,0,0,u)}else if(d&&(f.insertCells(this._activeBuffer.x,r-m,this._activeBuffer.getNullCell(u)),2===f.getWidth(a-1)&&f.setCellFromCodepoint(a-1,_.NULL_CELL_CODE,_.NULL_CELL_WIDTH,u)),f.setCellFromCodepoint(this._activeBuffer.x++,s,r,u),r>0)for(;--r;)f.setCellFromCodepoint(this._activeBuffer.x++,0,0,u)}this._parser.precedingJoinState=v,this._activeBuffer.x<a&&i-t>0&&0===f.getWidth(this._activeBuffer.x)&&!f.hasContent(this._activeBuffer.x)&&f.setCellFromCodepoint(this._activeBuffer.x,0,1,u),this._dirtyRowTracker.markDirty(this._activeBuffer.y)}registerCsiHandler(e,t){return"t"!==e.final||e.prefix||e.intermediates?this._parser.registerCsiHandler(e,t):this._parser.registerCsiHandler(e,(e=>!w(e.params[0],this._optionsService.rawOptions.windowOptions)||t(e)))}registerDcsHandler(e,t){return this._parser.registerDcsHandler(e,new m.DcsHandler(t))}registerEscHandler(e,t){return this._parser.registerEscHandler(e,t)}registerOscHandler(e,t){return this._parser.registerOscHandler(e,new g.OscHandler(t))}bell(){return this._onRequestBell.fire(),!0}lineFeed(){return this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._optionsService.rawOptions.convertEol&&(this._activeBuffer.x=0),this._activeBuffer.y++,this._activeBuffer.y===this._activeBuffer.scrollBottom+1?(this._activeBuffer.y--,this._bufferService.scroll(this._eraseAttrData())):this._activeBuffer.y>=this._bufferService.rows?this._activeBuffer.y=this._bufferService.rows-1:this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).isWrapped=!1,this._activeBuffer.x>=this._bufferService.cols&&this._activeBuffer.x--,this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._onLineFeed.fire(),!0}carriageReturn(){return this._activeBuffer.x=0,!0}backspace(){if(!this._coreService.decPrivateModes.reverseWraparound)return this._restrictCursor(),this._activeBuffer.x>0&&this._activeBuffer.x--,!0;if(this._restrictCursor(this._bufferService.cols),this._activeBuffer.x>0)this._activeBuffer.x--;else if(0===this._activeBuffer.x&&this._activeBuffer.y>this._activeBuffer.scrollTop&&this._activeBuffer.y<=this._activeBuffer.scrollBottom&&this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y)?.isWrapped){this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).isWrapped=!1,this._activeBuffer.y--,this._activeBuffer.x=this._bufferService.cols-1;const e=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);e.hasWidth(this._activeBuffer.x)&&!e.hasContent(this._activeBuffer.x)&&this._activeBuffer.x--}return this._restrictCursor(),!0}tab(){if(this._activeBuffer.x>=this._bufferService.cols)return!0;const e=this._activeBuffer.x;return this._activeBuffer.x=this._activeBuffer.nextStop(),this._optionsService.rawOptions.screenReaderMode&&this._onA11yTab.fire(this._activeBuffer.x-e),!0}shiftOut(){return this._charsetService.setgLevel(1),!0}shiftIn(){return this._charsetService.setgLevel(0),!0}_restrictCursor(e=this._bufferService.cols-1){this._activeBuffer.x=Math.min(e,Math.max(0,this._activeBuffer.x)),this._activeBuffer.y=this._coreService.decPrivateModes.origin?Math.min(this._activeBuffer.scrollBottom,Math.max(this._activeBuffer.scrollTop,this._activeBuffer.y)):Math.min(this._bufferService.rows-1,Math.max(0,this._activeBuffer.y)),this._dirtyRowTracker.markDirty(this._activeBuffer.y)}_setCursor(e,t){this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._coreService.decPrivateModes.origin?(this._activeBuffer.x=e,this._activeBuffer.y=this._activeBuffer.scrollTop+t):(this._activeBuffer.x=e,this._activeBuffer.y=t),this._restrictCursor(),this._dirtyRowTracker.markDirty(this._activeBuffer.y)}_moveCursor(e,t){this._restrictCursor(),this._setCursor(this._activeBuffer.x+e,this._activeBuffer.y+t)}cursorUp(e){const t=this._activeBuffer.y-this._activeBuffer.scrollTop;return t>=0?this._moveCursor(0,-Math.min(t,e.params[0]||1)):this._moveCursor(0,-(e.params[0]||1)),!0}cursorDown(e){const t=this._activeBuffer.scrollBottom-this._activeBuffer.y;return t>=0?this._moveCursor(0,Math.min(t,e.params[0]||1)):this._moveCursor(0,e.params[0]||1),!0}cursorForward(e){return this._moveCursor(e.params[0]||1,0),!0}cursorBackward(e){return this._moveCursor(-(e.params[0]||1),0),!0}cursorNextLine(e){return this.cursorDown(e),this._activeBuffer.x=0,!0}cursorPrecedingLine(e){return this.cursorUp(e),this._activeBuffer.x=0,!0}cursorCharAbsolute(e){return this._setCursor((e.params[0]||1)-1,this._activeBuffer.y),!0}cursorPosition(e){return this._setCursor(e.length>=2?(e.params[1]||1)-1:0,(e.params[0]||1)-1),!0}charPosAbsolute(e){return this._setCursor((e.params[0]||1)-1,this._activeBuffer.y),!0}hPositionRelative(e){return this._moveCursor(e.params[0]||1,0),!0}linePosAbsolute(e){return this._setCursor(this._activeBuffer.x,(e.params[0]||1)-1),!0}vPositionRelative(e){return this._moveCursor(0,e.params[0]||1),!0}hVPosition(e){return this.cursorPosition(e),!0}tabClear(e){const t=e.params[0];return 0===t?delete this._activeBuffer.tabs[this._activeBuffer.x]:3===t&&(this._activeBuffer.tabs={}),!0}cursorForwardTab(e){if(this._activeBuffer.x>=this._bufferService.cols)return!0;let t=e.params[0]||1;for(;t--;)this._activeBuffer.x=this._activeBuffer.nextStop();return!0}cursorBackwardTab(e){if(this._activeBuffer.x>=this._bufferService.cols)return!0;let t=e.params[0]||1;for(;t--;)this._activeBuffer.x=this._activeBuffer.prevStop();return!0}selectProtected(e){const t=e.params[0];return 1===t&&(this._curAttrData.bg|=536870912),2!==t&&0!==t||(this._curAttrData.bg&=-536870913),!0}_eraseInBufferLine(e,t,i,s=!1,r=!1){const n=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);n.replaceCells(t,i,this._activeBuffer.getNullCell(this._eraseAttrData()),r),s&&(n.isWrapped=!1)}_resetBufferLine(e,t=!1){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i&&(i.fill(this._activeBuffer.getNullCell(this._eraseAttrData()),t),this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase+e),i.isWrapped=!1)}eraseInDisplay(e,t=!1){let i;switch(this._restrictCursor(this._bufferService.cols),e.params[0]){case 0:for(i=this._activeBuffer.y,this._dirtyRowTracker.markDirty(i),this._eraseInBufferLine(i++,this._activeBuffer.x,this._bufferService.cols,0===this._activeBuffer.x,t);i<this._bufferService.rows;i++)this._resetBufferLine(i,t);this._dirtyRowTracker.markDirty(i);break;case 1:for(i=this._activeBuffer.y,this._dirtyRowTracker.markDirty(i),this._eraseInBufferLine(i,0,this._activeBuffer.x+1,!0,t),this._activeBuffer.x+1>=this._bufferService.cols&&(this._activeBuffer.lines.get(i+1).isWrapped=!1);i--;)this._resetBufferLine(i,t);this._dirtyRowTracker.markDirty(0);break;case 2:for(i=this._bufferService.rows,this._dirtyRowTracker.markDirty(i-1);i--;)this._resetBufferLine(i,t);this._dirtyRowTracker.markDirty(0);break;case 3:const e=this._activeBuffer.lines.length-this._bufferService.rows;e>0&&(this._activeBuffer.lines.trimStart(e),this._activeBuffer.ybase=Math.max(this._activeBuffer.ybase-e,0),this._activeBuffer.ydisp=Math.max(this._activeBuffer.ydisp-e,0),this._onScroll.fire(0))}return!0}eraseInLine(e,t=!1){switch(this._restrictCursor(this._bufferService.cols),e.params[0]){case 0:this._eraseInBufferLine(this._activeBuffer.y,this._activeBuffer.x,this._bufferService.cols,0===this._activeBuffer.x,t);break;case 1:this._eraseInBufferLine(this._activeBuffer.y,0,this._activeBuffer.x+1,!1,t);break;case 2:this._eraseInBufferLine(this._activeBuffer.y,0,this._bufferService.cols,!0,t)}return this._dirtyRowTracker.markDirty(this._activeBuffer.y),!0}insertLines(e){this._restrictCursor();let t=e.params[0]||1;if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const i=this._activeBuffer.ybase+this._activeBuffer.y,s=this._bufferService.rows-1-this._activeBuffer.scrollBottom,r=this._bufferService.rows-1+this._activeBuffer.ybase-s+1;for(;t--;)this._activeBuffer.lines.splice(r-1,1),this._activeBuffer.lines.splice(i,0,this._activeBuffer.getBlankLine(this._eraseAttrData()));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y,this._activeBuffer.scrollBottom),this._activeBuffer.x=0,!0}deleteLines(e){this._restrictCursor();let t=e.params[0]||1;if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const i=this._activeBuffer.ybase+this._activeBuffer.y;let s;for(s=this._bufferService.rows-1-this._activeBuffer.scrollBottom,s=this._bufferService.rows-1+this._activeBuffer.ybase-s;t--;)this._activeBuffer.lines.splice(i,1),this._activeBuffer.lines.splice(s,0,this._activeBuffer.getBlankLine(this._eraseAttrData()));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y,this._activeBuffer.scrollBottom),this._activeBuffer.x=0,!0}insertChars(e){this._restrictCursor();const t=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);return t&&(t.insertCells(this._activeBuffer.x,e.params[0]||1,this._activeBuffer.getNullCell(this._eraseAttrData())),this._dirtyRowTracker.markDirty(this._activeBuffer.y)),!0}deleteChars(e){this._restrictCursor();const t=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);return t&&(t.deleteCells(this._activeBuffer.x,e.params[0]||1,this._activeBuffer.getNullCell(this._eraseAttrData())),this._dirtyRowTracker.markDirty(this._activeBuffer.y)),!0}scrollUp(e){let t=e.params[0]||1;for(;t--;)this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollTop,1),this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollBottom,0,this._activeBuffer.getBlankLine(this._eraseAttrData()));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}scrollDown(e){let t=e.params[0]||1;for(;t--;)this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollBottom,1),this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollTop,0,this._activeBuffer.getBlankLine(l.DEFAULT_ATTR_DATA));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}scrollLeft(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.deleteCells(0,t,this._activeBuffer.getNullCell(this._eraseAttrData())),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}scrollRight(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.insertCells(0,t,this._activeBuffer.getNullCell(this._eraseAttrData())),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}insertColumns(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.insertCells(this._activeBuffer.x,t,this._activeBuffer.getNullCell(this._eraseAttrData())),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}deleteColumns(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.deleteCells(this._activeBuffer.x,t,this._activeBuffer.getNullCell(this._eraseAttrData())),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}eraseChars(e){this._restrictCursor();const t=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);return t&&(t.replaceCells(this._activeBuffer.x,this._activeBuffer.x+(e.params[0]||1),this._activeBuffer.getNullCell(this._eraseAttrData())),this._dirtyRowTracker.markDirty(this._activeBuffer.y)),!0}repeatPrecedingCharacter(e){const t=this._parser.precedingJoinState;if(!t)return!0;const i=e.params[0]||1,s=p.UnicodeService.extractWidth(t),r=this._activeBuffer.x-s,n=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).getString(r),o=new Uint32Array(n.length*i);let a=0;for(let e=0;e<n.length;){const t=n.codePointAt(e)||0;o[a++]=t,e+=t>65535?2:1}let h=a;for(let e=1;e<i;++e)o.copyWithin(h,0,a),h+=a;return this.print(o,0,h),!0}sendDeviceAttributesPrimary(e){return e.params[0]>0||(this._is("xterm")||this._is("rxvt-unicode")||this._is("screen")?this._coreService.triggerDataEvent(n.C0.ESC+"[?1;2c"):this._is("linux")&&this._coreService.triggerDataEvent(n.C0.ESC+"[?6c")),!0}sendDeviceAttributesSecondary(e){return e.params[0]>0||(this._is("xterm")?this._coreService.triggerDataEvent(n.C0.ESC+"[>0;276;0c"):this._is("rxvt-unicode")?this._coreService.triggerDataEvent(n.C0.ESC+"[>85;95;0c"):this._is("linux")?this._coreService.triggerDataEvent(e.params[0]+"c"):this._is("screen")&&this._coreService.triggerDataEvent(n.C0.ESC+"[>83;40003;0c")),!0}_is(e){return 0===(this._optionsService.rawOptions.termName+"").indexOf(e)}setMode(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 4:this._coreService.modes.insertMode=!0;break;case 20:this._optionsService.options.convertEol=!0}return!0}setModePrivate(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!0;break;case 2:this._charsetService.setgCharset(0,o.DEFAULT_CHARSET),this._charsetService.setgCharset(1,o.DEFAULT_CHARSET),this._charsetService.setgCharset(2,o.DEFAULT_CHARSET),this._charsetService.setgCharset(3,o.DEFAULT_CHARSET);break;case 3:this._optionsService.rawOptions.windowOptions.setWinLines&&(this._bufferService.resize(132,this._bufferService.rows),this._onRequestReset.fire());break;case 6:this._coreService.decPrivateModes.origin=!0,this._setCursor(0,0);break;case 7:this._coreService.decPrivateModes.wraparound=!0;break;case 12:this._optionsService.options.cursorBlink=!0;break;case 45:this._coreService.decPrivateModes.reverseWraparound=!0;break;case 66:this._logService.debug("Serial port requested application keypad."),this._coreService.decPrivateModes.applicationKeypad=!0,this._onRequestSyncScrollBar.fire();break;case 9:this._coreMouseService.activeProtocol="X10";break;case 1e3:this._coreMouseService.activeProtocol="VT200";break;case 1002:this._coreMouseService.activeProtocol="DRAG";break;case 1003:this._coreMouseService.activeProtocol="ANY";break;case 1004:this._coreService.decPrivateModes.sendFocus=!0,this._onRequestSendFocus.fire();break;case 1005:this._logService.debug("DECSET 1005 not supported (see #2507)");break;case 1006:this._coreMouseService.activeEncoding="SGR";break;case 1015:this._logService.debug("DECSET 1015 not supported (see #2507)");break;case 1016:this._coreMouseService.activeEncoding="SGR_PIXELS";break;case 25:this._coreService.isCursorHidden=!1;break;case 1048:this.saveCursor();break;case 1049:this.saveCursor();case 47:case 1047:this._bufferService.buffers.activateAltBuffer(this._eraseAttrData()),this._coreService.isCursorInitialized=!0,this._onRequestRefreshRows.fire(0,this._bufferService.rows-1),this._onRequestSyncScrollBar.fire();break;case 2004:this._coreService.decPrivateModes.bracketedPasteMode=!0}return!0}resetMode(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 4:this._coreService.modes.insertMode=!1;break;case 20:this._optionsService.options.convertEol=!1}return!0}resetModePrivate(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!1;break;case 3:this._optionsService.rawOptions.windowOptions.setWinLines&&(this._bufferService.resize(80,this._bufferService.rows),this._onRequestReset.fire());break;case 6:this._coreService.decPrivateModes.origin=!1,this._setCursor(0,0);break;case 7:this._coreService.decPrivateModes.wraparound=!1;break;case 12:this._optionsService.options.cursorBlink=!1;break;case 45:this._coreService.decPrivateModes.reverseWraparound=!1;break;case 66:this._logService.debug("Switching back to normal keypad."),this._coreService.decPrivateModes.applicationKeypad=!1,this._onRequestSyncScrollBar.fire();break;case 9:case 1e3:case 1002:case 1003:this._coreMouseService.activeProtocol="NONE";break;case 1004:this._coreService.decPrivateModes.sendFocus=!1;break;case 1005:this._logService.debug("DECRST 1005 not supported (see #2507)");break;case 1006:case 1016:this._coreMouseService.activeEncoding="DEFAULT";break;case 1015:this._logService.debug("DECRST 1015 not supported (see #2507)");break;case 25:this._coreService.isCursorHidden=!0;break;case 1048:this.restoreCursor();break;case 1049:case 47:case 1047:this._bufferService.buffers.activateNormalBuffer(),1049===e.params[t]&&this.restoreCursor(),this._coreService.isCursorInitialized=!0,this._onRequestRefreshRows.fire(0,this._bufferService.rows-1),this._onRequestSyncScrollBar.fire();break;case 2004:this._coreService.decPrivateModes.bracketedPasteMode=!1}return!0}requestMode(e,t){const i=this._coreService.decPrivateModes,{activeProtocol:s,activeEncoding:r}=this._coreMouseService,o=this._coreService,{buffers:a,cols:h}=this._bufferService,{active:c,alt:l}=a,d=this._optionsService.rawOptions,_=e=>e?1:2,u=e.params[0];return f=u,v=t?2===u?4:4===u?_(o.modes.insertMode):12===u?3:20===u?_(d.convertEol):0:1===u?_(i.applicationCursorKeys):3===u?d.windowOptions.setWinLines?80===h?2:132===h?1:0:0:6===u?_(i.origin):7===u?_(i.wraparound):8===u?3:9===u?_("X10"===s):12===u?_(d.cursorBlink):25===u?_(!o.isCursorHidden):45===u?_(i.reverseWraparound):66===u?_(i.applicationKeypad):67===u?4:1e3===u?_("VT200"===s):1002===u?_("DRAG"===s):1003===u?_("ANY"===s):1004===u?_(i.sendFocus):1005===u?4:1006===u?_("SGR"===r):1015===u?4:1016===u?_("SGR_PIXELS"===r):1048===u?1:47===u||1047===u||1049===u?_(c===l):2004===u?_(i.bracketedPasteMode):0,o.triggerDataEvent(`${n.C0.ESC}[${t?"":"?"}${f};${v}$y`),!0;var f,v}_updateAttrColor(e,t,i,s,r){return 2===t?(e|=50331648,e&=-16777216,e|=f.AttributeData.fromColorRGB([i,s,r])):5===t&&(e&=-50331904,e|=33554432|255&i),e}_extractColor(e,t,i){const s=[0,0,-1,0,0,0];let r=0,n=0;do{if(s[n+r]=e.params[t+n],e.hasSubParams(t+n)){const i=e.getSubParams(t+n);let o=0;do{5===s[1]&&(r=1),s[n+o+1+r]=i[o]}while(++o<i.length&&o+n+1+r<s.length);break}if(5===s[1]&&n+r>=2||2===s[1]&&n+r>=5)break;s[1]&&(r=1)}while(++n+t<e.length&&n+r<s.length);for(let e=2;e<s.length;++e)-1===s[e]&&(s[e]=0);switch(s[0]){case 38:i.fg=this._updateAttrColor(i.fg,s[1],s[3],s[4],s[5]);break;case 48:i.bg=this._updateAttrColor(i.bg,s[1],s[3],s[4],s[5]);break;case 58:i.extended=i.extended.clone(),i.extended.underlineColor=this._updateAttrColor(i.extended.underlineColor,s[1],s[3],s[4],s[5])}return n}_processUnderline(e,t){t.extended=t.extended.clone(),(!~e||e>5)&&(e=1),t.extended.underlineStyle=e,t.fg|=268435456,0===e&&(t.fg&=-268435457),t.updateExtended()}_processSGR0(e){e.fg=l.DEFAULT_ATTR_DATA.fg,e.bg=l.DEFAULT_ATTR_DATA.bg,e.extended=e.extended.clone(),e.extended.underlineStyle=0,e.extended.underlineColor&=-67108864,e.updateExtended()}charAttributes(e){if(1===e.length&&0===e.params[0])return this._processSGR0(this._curAttrData),!0;const t=e.length;let i;const s=this._curAttrData;for(let r=0;r<t;r++)i=e.params[r],i>=30&&i<=37?(s.fg&=-50331904,s.fg|=16777216|i-30):i>=40&&i<=47?(s.bg&=-50331904,s.bg|=16777216|i-40):i>=90&&i<=97?(s.fg&=-50331904,s.fg|=16777224|i-90):i>=100&&i<=107?(s.bg&=-50331904,s.bg|=16777224|i-100):0===i?this._processSGR0(s):1===i?s.fg|=134217728:3===i?s.bg|=67108864:4===i?(s.fg|=268435456,this._processUnderline(e.hasSubParams(r)?e.getSubParams(r)[0]:1,s)):5===i?s.fg|=536870912:7===i?s.fg|=67108864:8===i?s.fg|=1073741824:9===i?s.fg|=2147483648:2===i?s.bg|=134217728:21===i?this._processUnderline(2,s):22===i?(s.fg&=-134217729,s.bg&=-134217729):23===i?s.bg&=-67108865:24===i?(s.fg&=-268435457,this._processUnderline(0,s)):25===i?s.fg&=-536870913:27===i?s.fg&=-67108865:28===i?s.fg&=-1073741825:29===i?s.fg&=2147483647:39===i?(s.fg&=-67108864,s.fg|=16777215&l.DEFAULT_ATTR_DATA.fg):49===i?(s.bg&=-67108864,s.bg|=16777215&l.DEFAULT_ATTR_DATA.bg):38===i||48===i||58===i?r+=this._extractColor(e,r,s):53===i?s.bg|=1073741824:55===i?s.bg&=-1073741825:59===i?(s.extended=s.extended.clone(),s.extended.underlineColor=-1,s.updateExtended()):100===i?(s.fg&=-67108864,s.fg|=16777215&l.DEFAULT_ATTR_DATA.fg,s.bg&=-67108864,s.bg|=16777215&l.DEFAULT_ATTR_DATA.bg):this._logService.debug("Unknown SGR attribute: %d.",i);return!0}deviceStatus(e){switch(e.params[0]){case 5:this._coreService.triggerDataEvent(`${n.C0.ESC}[0n`);break;case 6:const e=this._activeBuffer.y+1,t=this._activeBuffer.x+1;this._coreService.triggerDataEvent(`${n.C0.ESC}[${e};${t}R`)}return!0}deviceStatusPrivate(e){if(6===e.params[0]){const e=this._activeBuffer.y+1,t=this._activeBuffer.x+1;this._coreService.triggerDataEvent(`${n.C0.ESC}[?${e};${t}R`)}return!0}softReset(e){return this._coreService.isCursorHidden=!1,this._onRequestSyncScrollBar.fire(),this._activeBuffer.scrollTop=0,this._activeBuffer.scrollBottom=this._bufferService.rows-1,this._curAttrData=l.DEFAULT_ATTR_DATA.clone(),this._coreService.reset(),this._charsetService.reset(),this._activeBuffer.savedX=0,this._activeBuffer.savedY=this._activeBuffer.ybase,this._activeBuffer.savedCurAttrData.fg=this._curAttrData.fg,this._activeBuffer.savedCurAttrData.bg=this._curAttrData.bg,this._activeBuffer.savedCharset=this._charsetService.charset,this._coreService.decPrivateModes.origin=!1,!0}setCursorStyle(e){const t=e.params[0]||1;switch(t){case 1:case 2:this._optionsService.options.cursorStyle="block";break;case 3:case 4:this._optionsService.options.cursorStyle="underline";break;case 5:case 6:this._optionsService.options.cursorStyle="bar"}const i=t%2==1;return this._optionsService.options.cursorBlink=i,!0}setScrollRegion(e){const t=e.params[0]||1;let i;return(e.length<2||(i=e.params[1])>this._bufferService.rows||0===i)&&(i=this._bufferService.rows),i>t&&(this._activeBuffer.scrollTop=t-1,this._activeBuffer.scrollBottom=i-1,this._setCursor(0,0)),!0}windowOptions(e){if(!w(e.params[0],this._optionsService.rawOptions.windowOptions))return!0;const t=e.length>1?e.params[1]:0;switch(e.params[0]){case 14:2!==t&&this._onRequestWindowsOptionsReport.fire(y.GET_WIN_SIZE_PIXELS);break;case 16:this._onRequestWindowsOptionsReport.fire(y.GET_CELL_SIZE_PIXELS);break;case 18:this._bufferService&&this._coreService.triggerDataEvent(`${n.C0.ESC}[8;${this._bufferService.rows};${this._bufferService.cols}t`);break;case 22:0!==t&&2!==t||(this._windowTitleStack.push(this._windowTitle),this._windowTitleStack.length>10&&this._windowTitleStack.shift()),0!==t&&1!==t||(this._iconNameStack.push(this._iconName),this._iconNameStack.length>10&&this._iconNameStack.shift());break;case 23:0!==t&&2!==t||this._windowTitleStack.length&&this.setTitle(this._windowTitleStack.pop()),0!==t&&1!==t||this._iconNameStack.length&&this.setIconName(this._iconNameStack.pop())}return!0}saveCursor(e){return this._activeBuffer.savedX=this._activeBuffer.x,this._activeBuffer.savedY=this._activeBuffer.ybase+this._activeBuffer.y,this._activeBuffer.savedCurAttrData.fg=this._curAttrData.fg,this._activeBuffer.savedCurAttrData.bg=this._curAttrData.bg,this._activeBuffer.savedCharset=this._charsetService.charset,!0}restoreCursor(e){return this._activeBuffer.x=this._activeBuffer.savedX||0,this._activeBuffer.y=Math.max(this._activeBuffer.savedY-this._activeBuffer.ybase,0),this._curAttrData.fg=this._activeBuffer.savedCurAttrData.fg,this._curAttrData.bg=this._activeBuffer.savedCurAttrData.bg,this._charsetService.charset=this._savedCharset,this._activeBuffer.savedCharset&&(this._charsetService.charset=this._activeBuffer.savedCharset),this._restrictCursor(),!0}setTitle(e){return this._windowTitle=e,this._onTitleChange.fire(e),!0}setIconName(e){return this._iconName=e,!0}setOrReportIndexedColor(e){const t=[],i=e.split(";");for(;i.length>1;){const e=i.shift(),s=i.shift();if(/^\d+$/.exec(e)){const i=parseInt(e);if(D(i))if("?"===s)t.push({type:0,index:i});else{const e=(0,S.parseColor)(s);e&&t.push({type:1,index:i,color:e})}}}return t.length&&this._onColor.fire(t),!0}setHyperlink(e){const t=e.split(";");return!(t.length<2)&&(t[1]?this._createHyperlink(t[0],t[1]):!t[0]&&this._finishHyperlink())}_createHyperlink(e,t){this._getCurrentLinkId()&&this._finishHyperlink();const i=e.split(":");let s;const r=i.findIndex((e=>e.startsWith("id=")));return-1!==r&&(s=i[r].slice(3)||void 0),this._curAttrData.extended=this._curAttrData.extended.clone(),this._curAttrData.extended.urlId=this._oscLinkService.registerLink({id:s,uri:t}),this._curAttrData.updateExtended(),!0}_finishHyperlink(){return this._curAttrData.extended=this._curAttrData.extended.clone(),this._curAttrData.extended.urlId=0,this._curAttrData.updateExtended(),!0}_setOrReportSpecialColor(e,t){const i=e.split(";");for(let e=0;e<i.length&&!(t>=this._specialColors.length);++e,++t)if("?"===i[e])this._onColor.fire([{type:0,index:this._specialColors[t]}]);else{const s=(0,S.parseColor)(i[e]);s&&this._onColor.fire([{type:1,index:this._specialColors[t],color:s}])}return!0}setOrReportFgColor(e){return this._setOrReportSpecialColor(e,0)}setOrReportBgColor(e){return this._setOrReportSpecialColor(e,1)}setOrReportCursorColor(e){return this._setOrReportSpecialColor(e,2)}restoreIndexedColor(e){if(!e)return this._onColor.fire([{type:2}]),!0;const t=[],i=e.split(";");for(let e=0;e<i.length;++e)if(/^\d+$/.exec(i[e])){const s=parseInt(i[e]);D(s)&&t.push({type:2,index:s})}return t.length&&this._onColor.fire(t),!0}restoreFgColor(e){return this._onColor.fire([{type:2,index:256}]),!0}restoreBgColor(e){return this._onColor.fire([{type:2,index:257}]),!0}restoreCursorColor(e){return this._onColor.fire([{type:2,index:258}]),!0}nextLine(){return this._activeBuffer.x=0,this.index(),!0}keypadApplicationMode(){return this._logService.debug("Serial port requested application keypad."),this._coreService.decPrivateModes.applicationKeypad=!0,this._onRequestSyncScrollBar.fire(),!0}keypadNumericMode(){return this._logService.debug("Switching back to normal keypad."),this._coreService.decPrivateModes.applicationKeypad=!1,this._onRequestSyncScrollBar.fire(),!0}selectDefaultCharset(){return this._charsetService.setgLevel(0),this._charsetService.setgCharset(0,o.DEFAULT_CHARSET),!0}selectCharset(e){return 2!==e.length?(this.selectDefaultCharset(),!0):("/"===e[0]||this._charsetService.setgCharset(C[e[0]],o.CHARSETS[e[1]]||o.DEFAULT_CHARSET),!0)}index(){return this._restrictCursor(),this._activeBuffer.y++,this._activeBuffer.y===this._activeBuffer.scrollBottom+1?(this._activeBuffer.y--,this._bufferService.scroll(this._eraseAttrData())):this._activeBuffer.y>=this._bufferService.rows&&(this._activeBuffer.y=this._bufferService.rows-1),this._restrictCursor(),!0}tabSet(){return this._activeBuffer.tabs[this._activeBuffer.x]=!0,!0}reverseIndex(){if(this._restrictCursor(),this._activeBuffer.y===this._activeBuffer.scrollTop){const e=this._activeBuffer.scrollBottom-this._activeBuffer.scrollTop;this._activeBuffer.lines.shiftElements(this._activeBuffer.ybase+this._activeBuffer.y,e,1),this._activeBuffer.lines.set(this._activeBuffer.ybase+this._activeBuffer.y,this._activeBuffer.getBlankLine(this._eraseAttrData())),this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom)}else this._activeBuffer.y--,this._restrictCursor();return!0}fullReset(){return this._parser.reset(),this._onRequestReset.fire(),!0}reset(){this._curAttrData=l.DEFAULT_ATTR_DATA.clone(),this._eraseAttrDataInternal=l.DEFAULT_ATTR_DATA.clone()}_eraseAttrData(){return this._eraseAttrDataInternal.bg&=-67108864,this._eraseAttrDataInternal.bg|=67108863&this._curAttrData.bg,this._eraseAttrDataInternal}setgLevel(e){return this._charsetService.setgLevel(e),!0}screenAlignmentPattern(){const e=new u.CellData;e.content=1<<22|"E".charCodeAt(0),e.fg=this._curAttrData.fg,e.bg=this._curAttrData.bg,this._setCursor(0,0);for(let t=0;t<this._bufferService.rows;++t){const i=this._activeBuffer.ybase+this._activeBuffer.y+t,s=this._activeBuffer.lines.get(i);s&&(s.fill(e),s.isWrapped=!1)}return this._dirtyRowTracker.markAllDirty(),this._setCursor(0,0),!0}requestStatusString(e,t){const i=this._bufferService.buffer,s=this._optionsService.rawOptions;return(e=>(this._coreService.triggerDataEvent(`${n.C0.ESC}${e}${n.C0.ESC}\\`),!0))('"q'===e?`P1$r${this._curAttrData.isProtected()?1:0}"q`:'"p'===e?'P1$r61;1"p':"r"===e?`P1$r${i.scrollTop+1};${i.scrollBottom+1}r`:"m"===e?"P1$r0m":" q"===e?`P1$r${{block:2,underline:4,bar:6}[s.cursorStyle]-(s.cursorBlink?1:0)} q`:"P0$r")}markRangeDirty(e,t){this._dirtyRowTracker.markRangeDirty(e,t)}}t.InputHandler=k;let L=class{constructor(e){this._bufferService=e,this.clearRange()}clearRange(){this.start=this._bufferService.buffer.y,this.end=this._bufferService.buffer.y}markDirty(e){e<this.start?this.start=e:e>this.end&&(this.end=e)}markRangeDirty(e,t){e>t&&(E=e,e=t,t=E),e<this.start&&(this.start=e),t>this.end&&(this.end=t)}markAllDirty(){this.markRangeDirty(0,this._bufferService.rows-1)}};function D(e){return 0<=e&&e<256}L=s([r(0,v.IBufferService)],L)},844:(e,t)=>{function i(e){for(const t of e)t.dispose();e.length=0}Object.defineProperty(t,"__esModule",{value:!0}),t.getDisposeArrayDisposable=t.disposeArray=t.toDisposable=t.MutableDisposable=t.Disposable=void 0,t.Disposable=class{constructor(){this._disposables=[],this._isDisposed=!1}dispose(){this._isDisposed=!0;for(const e of this._disposables)e.dispose();this._disposables.length=0}register(e){return this._disposables.push(e),e}unregister(e){const t=this._disposables.indexOf(e);-1!==t&&this._disposables.splice(t,1)}},t.MutableDisposable=class{constructor(){this._isDisposed=!1}get value(){return this._isDisposed?void 0:this._value}set value(e){this._isDisposed||e===this._value||(this._value?.dispose(),this._value=e)}clear(){this.value=void 0}dispose(){this._isDisposed=!0,this._value?.dispose(),this._value=void 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i=t.isNode?"node":navigator.userAgent,s=t.isNode?"node":navigator.platform;t.isFirefox=i.includes("Firefox"),t.isLegacyEdge=i.includes("Edge"),t.isSafari=/^((?!chrome|android).)*safari/i.test(i),t.getSafariVersion=function(){if(!t.isSafari)return 0;const e=i.match(/Version\/(\d+)/);return null===e||e.length<2?0:parseInt(e[1])},t.isMac=["Macintosh","MacIntel","MacPPC","Mac68K"].includes(s),t.isIpad="iPad"===s,t.isIphone="iPhone"===s,t.isWindows=["Windows","Win16","Win32","WinCE"].includes(s),t.isLinux=s.indexOf("Linux")>=0,t.isChromeOS=/\bCrOS\b/.test(i)},6106:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.SortedList=void 0;let i=0;t.SortedList=class{constructor(e){this._getKey=e,this._array=[]}clear(){this._array.length=0}insert(e){0!==this._array.length?(i=this._search(this._getKey(e)),this._array.splice(i,0,e)):this._array.push(e)}delete(e){if(0===this._array.length)return!1;const t=this._getKey(e);if(void 0===t)return!1;if(i=this._search(t),-1===i)return!1;if(this._getKey(this._array[i])!==t)return!1;do{if(this._array[i]===e)return this._array.splice(i,1),!0}while(++i<this._array.length&&this._getKey(this._array[i])===t);return!1}*getKeyIterator(e){if(0!==this._array.length&&(i=this._search(e),!(i<0||i>=this._array.length)&&this._getKey(this._array[i])===e))do{yield this._array[i]}while(++i<this._array.length&&this._getKey(this._array[i])===e)}forEachByKey(e,t){if(0!==this._array.length&&(i=this._search(e),!(i<0||i>=this._array.length)&&this._getKey(this._array[i])===e))do{t(this._array[i])}while(++i<this._array.length&&this._getKey(this._array[i])===e)}values(){return[...this._array].values()}_search(e){let t=0,i=this._array.length-1;for(;i>=t;){let s=t+i>>1;const r=this._getKey(this._array[s]);if(r>e)i=s-1;else{if(!(r<e)){for(;s>0&&this._getKey(this._array[s-1])===e;)s--;return s}t=s+1}}return t}}},7226:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.DebouncedIdleTask=t.IdleTaskQueue=t.PriorityTaskQueue=void 0;const s=i(6114);class r{constructor(){this._tasks=[],this._i=0}enqueue(e){this._tasks.push(e),this._start()}flush(){for(;this._i<this._tasks.length;)this._tasks[this._i]()||this._i++;this.clear()}clear(){this._idleCallback&&(this._cancelCallback(this._idleCallback),this._idleCallback=void 0),this._i=0,this._tasks.length=0}_start(){this._idleCallback||(this._idleCallback=this._requestCallback(this._process.bind(this)))}_process(e){this._idleCallback=void 0;let t=0,i=0,s=e.timeRemaining(),r=0;for(;this._i<this._tasks.length;){if(t=Date.now(),this._tasks[this._i]()||this._i++,t=Math.max(1,Date.now()-t),i=Math.max(t,i),r=e.timeRemaining(),1.5*i>r)return s-t<-20&&console.warn(`task queue exceeded allotted deadline by ${Math.abs(Math.round(s-t))}ms`),void this._start();s=r}this.clear()}}class n extends r{_requestCallback(e){return setTimeout((()=>e(this._createDeadline(16))))}_cancelCallback(e){clearTimeout(e)}_createDeadline(e){const t=Date.now()+e;return{timeRemaining:()=>Math.max(0,t-Date.now())}}}t.PriorityTaskQueue=n,t.IdleTaskQueue=!s.isNode&&"requestIdleCallback"in window?class extends r{_requestCallback(e){return requestIdleCallback(e)}_cancelCallback(e){cancelIdleCallback(e)}}:n,t.DebouncedIdleTask=class{constructor(){this._queue=new t.IdleTaskQueue}set(e){this._queue.clear(),this._queue.enqueue(e)}flush(){this._queue.flush()}}},9282:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.updateWindowsModeWrappedState=void 0;const s=i(643);t.updateWindowsModeWrappedState=function(e){const t=e.buffer.lines.get(e.buffer.ybase+e.buffer.y-1),i=t?.get(e.cols-1),r=e.buffer.lines.get(e.buffer.ybase+e.buffer.y);r&&i&&(r.isWrapped=i[s.CHAR_DATA_CODE_INDEX]!==s.NULL_CELL_CODE&&i[s.CHAR_DATA_CODE_INDEX]!==s.WHITESPACE_CELL_CODE)}},3734:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ExtendedAttrs=t.AttributeData=void 0;class i{constructor(){this.fg=0,this.bg=0,this.extended=new s}static toColorRGB(e){return[e>>>16&255,e>>>8&255,255&e]}static fromColorRGB(e){return(255&e[0])<<16|(255&e[1])<<8|255&e[2]}clone(){const e=new i;return e.fg=this.fg,e.bg=this.bg,e.extended=this.extended.clone(),e}isInverse(){return 67108864&this.fg}isBold(){return 134217728&this.fg}isUnderline(){return this.hasExtendedAttrs()&&0!==this.extended.underlineStyle?1:268435456&this.fg}isBlink(){return 536870912&this.fg}isInvisible(){return 1073741824&this.fg}isItalic(){return 67108864&this.bg}isDim(){return 134217728&this.bg}isStrikethrough(){return 2147483648&this.fg}isProtected(){return 536870912&this.bg}isOverline(){return 1073741824&this.bg}getFgColorMode(){return 50331648&this.fg}getBgColorMode(){return 50331648&this.bg}isFgRGB(){return 50331648==(50331648&this.fg)}isBgRGB(){return 50331648==(50331648&this.bg)}isFgPalette(){return 16777216==(50331648&this.fg)||33554432==(50331648&this.fg)}isBgPalette(){return 16777216==(50331648&this.bg)||33554432==(50331648&this.bg)}isFgDefault(){return 0==(50331648&this.fg)}isBgDefault(){return 0==(50331648&this.bg)}isAttributeDefault(){return 0===this.fg&&0===this.bg}getFgColor(){switch(50331648&this.fg){case 16777216:case 33554432:return 255&this.fg;case 50331648:return 16777215&this.fg;default:return-1}}getBgColor(){switch(50331648&this.bg){case 16777216:case 33554432:return 255&this.bg;case 50331648:return 16777215&this.bg;default:return-1}}hasExtendedAttrs(){return 268435456&this.bg}updateExtended(){this.extended.isEmpty()?this.bg&=-268435457:this.bg|=268435456}getUnderlineColor(){if(268435456&this.bg&&~this.extended.underlineColor)switch(50331648&this.extended.underlineColor){case 16777216:case 33554432:return 255&this.extended.underlineColor;case 50331648:return 16777215&this.extended.underlineColor;default:return this.getFgColor()}return this.getFgColor()}getUnderlineColorMode(){return 268435456&this.bg&&~this.extended.underlineColor?50331648&this.extended.underlineColor:this.getFgColorMode()}isUnderlineColorRGB(){return 268435456&this.bg&&~this.extended.underlineColor?50331648==(50331648&this.extended.underlineColor):this.isFgRGB()}isUnderlineColorPalette(){return 268435456&this.bg&&~this.extended.underlineColor?16777216==(50331648&this.extended.underlineColor)||33554432==(50331648&this.extended.underlineColor):this.isFgPalette()}isUnderlineColorDefault(){return 268435456&this.bg&&~this.extended.underlineColor?0==(50331648&this.extended.underlineColor):this.isFgDefault()}getUnderlineStyle(){return 268435456&this.fg?268435456&this.bg?this.extended.underlineStyle:1:0}getUnderlineVariantOffset(){return this.extended.underlineVariantOffset}}t.AttributeData=i;class s{get ext(){return this._urlId?-469762049&this._ext|this.underlineStyle<<26:this._ext}set ext(e){this._ext=e}get underlineStyle(){return this._urlId?5:(469762048&this._ext)>>26}set underlineStyle(e){this._ext&=-469762049,this._ext|=e<<26&469762048}get underlineColor(){return 67108863&this._ext}set underlineColor(e){this._ext&=-67108864,this._ext|=67108863&e}get urlId(){return this._urlId}set urlId(e){this._urlId=e}get underlineVariantOffset(){const e=(3758096384&this._ext)>>29;return e<0?4294967288^e:e}set underlineVariantOffset(e){this._ext&=536870911,this._ext|=e<<29&3758096384}constructor(e=0,t=0){this._ext=0,this._urlId=0,this._ext=e,this._urlId=t}clone(){return new s(this._ext,this._urlId)}isEmpty(){return 0===this.underlineStyle&&0===this._urlId}}t.ExtendedAttrs=s},9092:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.Buffer=t.MAX_BUFFER_SIZE=void 0;const s=i(6349),r=i(7226),n=i(3734),o=i(8437),a=i(4634),h=i(511),c=i(643),l=i(4863),d=i(7116);t.MAX_BUFFER_SIZE=4294967295,t.Buffer=class{constructor(e,t,i){this._hasScrollback=e,this._optionsService=t,this._bufferService=i,this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.tabs={},this.savedY=0,this.savedX=0,this.savedCurAttrData=o.DEFAULT_ATTR_DATA.clone(),this.savedCharset=d.DEFAULT_CHARSET,this.markers=[],this._nullCell=h.CellData.fromCharData([0,c.NULL_CELL_CHAR,c.NULL_CELL_WIDTH,c.NULL_CELL_CODE]),this._whitespaceCell=h.CellData.fromCharData([0,c.WHITESPACE_CELL_CHAR,c.WHITESPACE_CELL_WIDTH,c.WHITESPACE_CELL_CODE]),this._isClearing=!1,this._memoryCleanupQueue=new r.IdleTaskQueue,this._memoryCleanupPosition=0,this._cols=this._bufferService.cols,this._rows=this._bufferService.rows,this.lines=new s.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()}getNullCell(e){return e?(this._nullCell.fg=e.fg,this._nullCell.bg=e.bg,this._nullCell.extended=e.extended):(this._nullCell.fg=0,this._nullCell.bg=0,this._nullCell.extended=new n.ExtendedAttrs),this._nullCell}getWhitespaceCell(e){return e?(this._whitespaceCell.fg=e.fg,this._whitespaceCell.bg=e.bg,this._whitespaceCell.extended=e.extended):(this._whitespaceCell.fg=0,this._whitespaceCell.bg=0,this._whitespaceCell.extended=new n.ExtendedAttrs),this._whitespaceCell}getBlankLine(e,t){return new o.BufferLine(this._bufferService.cols,this.getNullCell(e),t)}get hasScrollback(){return this._hasScrollback&&this.lines.maxLength>this._rows}get isCursorInViewport(){const e=this.ybase+this.y-this.ydisp;return e>=0&&e<this._rows}_getCorrectBufferLength(e){if(!this._hasScrollback)return e;const i=e+this._optionsService.rawOptions.scrollback;return i>t.MAX_BUFFER_SIZE?t.MAX_BUFFER_SIZE:i}fillViewportRows(e){if(0===this.lines.length){void 0===e&&(e=o.DEFAULT_ATTR_DATA);let t=this._rows;for(;t--;)this.lines.push(this.getBlankLine(e))}}clear(){this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.lines=new s.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()}resize(e,t){const i=this.getNullCell(o.DEFAULT_ATTR_DATA);let s=0;const r=this._getCorrectBufferLength(t);if(r>this.lines.maxLength&&(this.lines.maxLength=r),this.lines.length>0){if(this._cols<e)for(let t=0;t<this.lines.length;t++)s+=+this.lines.get(t).resize(e,i);let n=0;if(this._rows<t)for(let s=this._rows;s<t;s++)this.lines.length<t+this.ybase&&(this._optionsService.rawOptions.windowsMode||void 0!==this._optionsService.rawOptions.windowsPty.backend||void 0!==this._optionsService.rawOptions.windowsPty.buildNumber?this.lines.push(new o.BufferLine(e,i)):this.ybase>0&&this.lines.length<=this.ybase+this.y+n+1?(this.ybase--,n++,this.ydisp>0&&this.ydisp--):this.lines.push(new o.BufferLine(e,i)));else for(let e=this._rows;e>t;e--)this.lines.length>t+this.ybase&&(this.lines.length>this.ybase+this.y+1?this.lines.pop():(this.ybase++,this.ydisp++));if(r<this.lines.maxLength){const e=this.lines.length-r;e>0&&(this.lines.trimStart(e),this.ybase=Math.max(this.ybase-e,0),this.ydisp=Math.max(this.ydisp-e,0),this.savedY=Math.max(this.savedY-e,0)),this.lines.maxLength=r}this.x=Math.min(this.x,e-1),this.y=Math.min(this.y,t-1),n&&(this.y+=n),this.savedX=Math.min(this.savedX,e-1),this.scrollTop=0}if(this.scrollBottom=t-1,this._isReflowEnabled&&(this._reflow(e,t),this._cols>e))for(let t=0;t<this.lines.length;t++)s+=+this.lines.get(t).resize(e,i);this._cols=e,this._rows=t,this._memoryCleanupQueue.clear(),s>.1*this.lines.length&&(this._memoryCleanupPosition=0,this._memoryCleanupQueue.enqueue((()=>this._batchedMemoryCleanup())))}_batchedMemoryCleanup(){let e=!0;this._memoryCleanupPosition>=this.lines.length&&(this._memoryCleanupPosition=0,e=!1);let t=0;for(;this._memoryCleanupPosition<this.lines.length;)if(t+=this.lines.get(this._memoryCleanupPosition++).cleanupMemory(),t>100)return!0;return e}get _isReflowEnabled(){const e=this._optionsService.rawOptions.windowsPty;return e&&e.buildNumber?this._hasScrollback&&"conpty"===e.backend&&e.buildNumber>=21376:this._hasScrollback&&!this._optionsService.rawOptions.windowsMode}_reflow(e,t){this._cols!==e&&(e>this._cols?this._reflowLarger(e,t):this._reflowSmaller(e,t))}_reflowLarger(e,t){const i=(0,a.reflowLargerGetLinesToRemove)(this.lines,this._cols,e,this.ybase+this.y,this.getNullCell(o.DEFAULT_ATTR_DATA));if(i.length>0){const s=(0,a.reflowLargerCreateNewLayout)(this.lines,i);(0,a.reflowLargerApplyNewLayout)(this.lines,s.layout),this._reflowLargerAdjustViewport(e,t,s.countRemoved)}}_reflowLargerAdjustViewport(e,t,i){const s=this.getNullCell(o.DEFAULT_ATTR_DATA);let r=i;for(;r-- >0;)0===this.ybase?(this.y>0&&this.y--,this.lines.length<t&&this.lines.push(new o.BufferLine(e,s))):(this.ydisp===this.ybase&&this.ydisp--,this.ybase--);this.savedY=Math.max(this.savedY-i,0)}_reflowSmaller(e,t){const i=this.getNullCell(o.DEFAULT_ATTR_DATA),s=[];let r=0;for(let n=this.lines.length-1;n>=0;n--){let h=this.lines.get(n);if(!h||!h.isWrapped&&h.getTrimmedLength()<=e)continue;const c=[h];for(;h.isWrapped&&n>0;)h=this.lines.get(--n),c.unshift(h);const l=this.ybase+this.y;if(l>=n&&l<n+c.length)continue;const d=c[c.length-1].getTrimmedLength(),_=(0,a.reflowSmallerGetNewLineLengths)(c,this._cols,e),u=_.length-c.length;let f;f=0===this.ybase&&this.y!==this.lines.length-1?Math.max(0,this.y-this.lines.maxLength+u):Math.max(0,this.lines.length-this.lines.maxLength+u);const v=[];for(let e=0;e<u;e++){const e=this.getBlankLine(o.DEFAULT_ATTR_DATA,!0);v.push(e)}v.length>0&&(s.push({start:n+c.length+r,newLines:v}),r+=v.length),c.push(...v);let p=_.length-1,g=_[p];0===g&&(p--,g=_[p]);let m=c.length-u-1,S=d;for(;m>=0;){const e=Math.min(S,g);if(void 0===c[p])break;if(c[p].copyCellsFrom(c[m],S-e,g-e,e,!0),g-=e,0===g&&(p--,g=_[p]),S-=e,0===S){m--;const e=Math.max(m,0);S=(0,a.getWrappedLineTrimmedLength)(c,e,this._cols)}}for(let t=0;t<c.length;t++)_[t]<e&&c[t].setCell(_[t],i);let C=u-f;for(;C-- >0;)0===this.ybase?this.y<t-1?(this.y++,this.lines.pop()):(this.ybase++,this.ydisp++):this.ybase<Math.min(this.lines.maxLength,this.lines.length+r)-t&&(this.ybase===this.ydisp&&this.ydisp++,this.ybase++);this.savedY=Math.min(this.savedY+u,this.ybase+t-1)}if(s.length>0){const e=[],t=[];for(let e=0;e<this.lines.length;e++)t.push(this.lines.get(e));const i=this.lines.length;let n=i-1,o=0,a=s[o];this.lines.length=Math.min(this.lines.maxLength,this.lines.length+r);let h=0;for(let c=Math.min(this.lines.maxLength-1,i+r-1);c>=0;c--)if(a&&a.start>n+h){for(let e=a.newLines.length-1;e>=0;e--)this.lines.set(c--,a.newLines[e]);c++,e.push({index:n+1,amount:a.newLines.length}),h+=a.newLines.length,a=s[++o]}else this.lines.set(c,t[n--]);let c=0;for(let t=e.length-1;t>=0;t--)e[t].index+=c,this.lines.onInsertEmitter.fire(e[t]),c+=e[t].amount;const l=Math.max(0,i+r-this.lines.maxLength);l>0&&this.lines.onTrimEmitter.fire(l)}}translateBufferLineToString(e,t,i=0,s){const r=this.lines.get(e);return r?r.translateToString(t,i,s):""}getWrappedRangeForLine(e){let t=e,i=e;for(;t>0&&this.lines.get(t).isWrapped;)t--;for(;i+1<this.lines.length&&this.lines.get(i+1).isWrapped;)i++;return{first:t,last:i}}setupTabStops(e){for(null!=e?this.tabs[e]||(e=this.prevStop(e)):(this.tabs={},e=0);e<this._cols;e+=this._optionsService.rawOptions.tabStopWidth)this.tabs[e]=!0}prevStop(e){for(null==e&&(e=this.x);!this.tabs[--e]&&e>0;);return e>=this._cols?this._cols-1:e<0?0:e}nextStop(e){for(null==e&&(e=this.x);!this.tabs[++e]&&e<this._cols;);return e>=this._cols?this._cols-1:e<0?0:e}clearMarkers(e){this._isClearing=!0;for(let t=0;t<this.markers.length;t++)this.markers[t].line===e&&(this.markers[t].dispose(),this.markers.splice(t--,1));this._isClearing=!1}clearAllMarkers(){this._isClearing=!0;for(let e=0;e<this.markers.length;e++)this.markers[e].dispose(),this.markers.splice(e--,1);this._isClearing=!1}addMarker(e){const t=new l.Marker(e);return this.markers.push(t),t.register(this.lines.onTrim((e=>{t.line-=e,t.line<0&&t.dispose()}))),t.register(this.lines.onInsert((e=>{t.line>=e.index&&(t.line+=e.amount)}))),t.register(this.lines.onDelete((e=>{t.line>=e.index&&t.line<e.index+e.amount&&t.dispose(),t.line>e.index&&(t.line-=e.amount)}))),t.register(t.onDispose((()=>this._removeMarker(t)))),t}_removeMarker(e){this._isClearing||this.markers.splice(this.markers.indexOf(e),1)}}},8437:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.BufferLine=t.DEFAULT_ATTR_DATA=void 0;const s=i(3734),r=i(511),n=i(643),o=i(482);t.DEFAULT_ATTR_DATA=Object.freeze(new s.AttributeData);let a=0;class h{constructor(e,t,i=!1){this.isWrapped=i,this._combined={},this._extendedAttrs={},this._data=new Uint32Array(3*e);const s=t||r.CellData.fromCharData([0,n.NULL_CELL_CHAR,n.NULL_CELL_WIDTH,n.NULL_CELL_CODE]);for(let t=0;t<e;++t)this.setCell(t,s);this.length=e}get(e){const t=this._data[3*e+0],i=2097151&t;return[this._data[3*e+1],2097152&t?this._combined[e]:i?(0,o.stringFromCodePoint)(i):"",t>>22,2097152&t?this._combined[e].charCodeAt(this._combined[e].length-1):i]}set(e,t){this._data[3*e+1]=t[n.CHAR_DATA_ATTR_INDEX],t[n.CHAR_DATA_CHAR_INDEX].length>1?(this._combined[e]=t[1],this._data[3*e+0]=2097152|e|t[n.CHAR_DATA_WIDTH_INDEX]<<22):this._data[3*e+0]=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(0)|t[n.CHAR_DATA_WIDTH_INDEX]<<22}getWidth(e){return this._data[3*e+0]>>22}hasWidth(e){return 12582912&this._data[3*e+0]}getFg(e){return this._data[3*e+1]}getBg(e){return this._data[3*e+2]}hasContent(e){return 4194303&this._data[3*e+0]}getCodePoint(e){const t=this._data[3*e+0];return 2097152&t?this._combined[e].charCodeAt(this._combined[e].length-1):2097151&t}isCombined(e){return 2097152&this._data[3*e+0]}getString(e){const t=this._data[3*e+0];return 2097152&t?this._combined[e]:2097151&t?(0,o.stringFromCodePoint)(2097151&t):""}isProtected(e){return 536870912&this._data[3*e+2]}loadCell(e,t){return a=3*e,t.content=this._data[a+0],t.fg=this._data[a+1],t.bg=this._data[a+2],2097152&t.content&&(t.combinedData=this._combined[e]),268435456&t.bg&&(t.extended=this._extendedAttrs[e]),t}setCell(e,t){2097152&t.content&&(this._combined[e]=t.combinedData),268435456&t.bg&&(this._extendedAttrs[e]=t.extended),this._data[3*e+0]=t.content,this._data[3*e+1]=t.fg,this._data[3*e+2]=t.bg}setCellFromCodepoint(e,t,i,s){268435456&s.bg&&(this._extendedAttrs[e]=s.extended),this._data[3*e+0]=t|i<<22,this._data[3*e+1]=s.fg,this._data[3*e+2]=s.bg}addCodepointToCell(e,t,i){let s=this._data[3*e+0];2097152&s?this._combined[e]+=(0,o.stringFromCodePoint)(t):2097151&s?(this._combined[e]=(0,o.stringFromCodePoint)(2097151&s)+(0,o.stringFromCodePoint)(t),s&=-2097152,s|=2097152):s=t|1<<22,i&&(s&=-12582913,s|=i<<22),this._data[3*e+0]=s}insertCells(e,t,i){if((e%=this.length)&&2===this.getWidth(e-1)&&this.setCellFromCodepoint(e-1,0,1,i),t<this.length-e){const s=new r.CellData;for(let i=this.length-e-t-1;i>=0;--i)this.setCell(e+t+i,this.loadCell(e+i,s));for(let s=0;s<t;++s)this.setCell(e+s,i)}else for(let t=e;t<this.length;++t)this.setCell(t,i);2===this.getWidth(this.length-1)&&this.setCellFromCodepoint(this.length-1,0,1,i)}deleteCells(e,t,i){if(e%=this.length,t<this.length-e){const s=new r.CellData;for(let i=0;i<this.length-e-t;++i)this.setCell(e+i,this.loadCell(e+t+i,s));for(let e=this.length-t;e<this.length;++e)this.setCell(e,i)}else for(let t=e;t<this.length;++t)this.setCell(t,i);e&&2===this.getWidth(e-1)&&this.setCellFromCodepoint(e-1,0,1,i),0!==this.getWidth(e)||this.hasContent(e)||this.setCellFromCodepoint(e,0,1,i)}replaceCells(e,t,i,s=!1){if(s)for(e&&2===this.getWidth(e-1)&&!this.isProtected(e-1)&&this.setCellFromCodepoint(e-1,0,1,i),t<this.length&&2===this.getWidth(t-1)&&!this.isProtected(t)&&this.setCellFromCodepoint(t,0,1,i);e<t&&e<this.length;)this.isProtected(e)||this.setCell(e,i),e++;else for(e&&2===this.getWidth(e-1)&&this.setCellFromCodepoint(e-1,0,1,i),t<this.length&&2===this.getWidth(t-1)&&this.setCellFromCodepoint(t,0,1,i);e<t&&e<this.length;)this.setCell(e++,i)}resize(e,t){if(e===this.length)return 4*this._data.length*2<this._data.buffer.byteLength;const i=3*e;if(e>this.length){if(this._data.buffer.byteLength>=4*i)this._data=new Uint32Array(this._data.buffer,0,i);else{const e=new Uint32Array(i);e.set(this._data),this._data=e}for(let i=this.length;i<e;++i)this.setCell(i,t)}else{this._data=this._data.subarray(0,i);const t=Object.keys(this._combined);for(let i=0;i<t.length;i++){const s=parseInt(t[i],10);s>=e&&delete this._combined[s]}const s=Object.keys(this._extendedAttrs);for(let t=0;t<s.length;t++){const i=parseInt(s[t],10);i>=e&&delete this._extendedAttrs[i]}}return this.length=e,4*i*2<this._data.buffer.byteLength}cleanupMemory(){if(4*this._data.length*2<this._data.buffer.byteLength){const e=new Uint32Array(this._data.length);return e.set(this._data),this._data=e,1}return 0}fill(e,t=!1){if(t)for(let t=0;t<this.length;++t)this.isProtected(t)||this.setCell(t,e);else{this._combined={},this._extendedAttrs={};for(let t=0;t<this.length;++t)this.setCell(t,e)}}copyFrom(e){this.length!==e.length?this._data=new Uint32Array(e._data):this._data.set(e._data),this.length=e.length,this._combined={};for(const t in e._combined)this._combined[t]=e._combined[t];this._extendedAttrs={};for(const t in e._extendedAttrs)this._extendedAttrs[t]=e._extendedAttrs[t];this.isWrapped=e.isWrapped}clone(){const e=new h(0);e._data=new Uint32Array(this._data),e.length=this.length;for(const t in this._combined)e._combined[t]=this._combined[t];for(const t in this._extendedAttrs)e._extendedAttrs[t]=this._extendedAttrs[t];return e.isWrapped=this.isWrapped,e}getTrimmedLength(){for(let e=this.length-1;e>=0;--e)if(4194303&this._data[3*e+0])return e+(this._data[3*e+0]>>22);return 0}getNoBgTrimmedLength(){for(let 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r.Params;a.addParam(0),t.DcsHandler=class{constructor(e){this._handler=e,this._data="",this._params=a,this._hitLimit=!1}hook(e){this._params=e.length>1||e.params[0]?e.clone():a,this._data="",this._hitLimit=!1}put(e,t,i){this._hitLimit||(this._data+=(0,s.utf32ToString)(e,t,i),this._data.length>n.PAYLOAD_LIMIT&&(this._data="",this._hitLimit=!0))}unhook(e){let t=!1;if(this._hitLimit)t=!1;else if(e&&(t=this._handler(this._data,this._params),t instanceof Promise))return t.then((e=>(this._params=a,this._data="",this._hitLimit=!1,e)));return this._params=a,this._data="",this._hitLimit=!1,t}}},2015:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.EscapeSequenceParser=t.VT500_TRANSITION_TABLE=t.TransitionTable=void 0;const s=i(844),r=i(8742),n=i(6242),o=i(6351);class a{constructor(e){this.table=new Uint8Array(e)}setDefault(e,t){this.table.fill(e<<4|t)}add(e,t,i,s){this.table[t<<8|e]=i<<4|s}addMany(e,t,i,s){for(let r=0;r<e.length;r++)this.table[t<<8|e[r]]=i<<4|s}}t.TransitionTable=a;const h=160;t.VT500_TRANSITION_TABLE=function(){const e=new a(4095),t=Array.apply(null,Array(256)).map(((e,t)=>t)),i=(e,i)=>t.slice(e,i),s=i(32,127),r=i(0,24);r.push(25),r.push.apply(r,i(28,32));const n=i(0,14);let o;for(o in e.setDefault(1,0),e.addMany(s,0,2,0),n)e.addMany([24,26,153,154],o,3,0),e.addMany(i(128,144),o,3,0),e.addMany(i(144,152),o,3,0),e.add(156,o,0,0),e.add(27,o,11,1),e.add(157,o,4,8),e.addMany([152,158,159],o,0,7),e.add(155,o,11,3),e.add(144,o,11,9);return e.addMany(r,0,3,0),e.addMany(r,1,3,1),e.add(127,1,0,1),e.addMany(r,8,0,8),e.addMany(r,3,3,3),e.add(127,3,0,3),e.addMany(r,4,3,4),e.add(127,4,0,4),e.addMany(r,6,3,6),e.addMany(r,5,3,5),e.add(127,5,0,5),e.addMany(r,2,3,2),e.add(127,2,0,2),e.add(93,1,4,8),e.addMany(s,8,5,8),e.add(127,8,5,8),e.addMany([156,27,24,26,7],8,6,0),e.addMany(i(28,32),8,0,8),e.addMany([88,94,95],1,0,7),e.addMany(s,7,0,7),e.addMany(r,7,0,7),e.add(156,7,0,0),e.add(127,7,0,7),e.add(91,1,11,3),e.addMany(i(64,127),3,7,0),e.addMany(i(48,60),3,8,4),e.addMany([60,61,62,63],3,9,4),e.addMany(i(48,60),4,8,4),e.addMany(i(64,127),4,7,0),e.addMany([60,61,62,63],4,0,6),e.addMany(i(32,64),6,0,6),e.add(127,6,0,6),e.addMany(i(64,127),6,0,0),e.addMany(i(32,48),3,9,5),e.addMany(i(32,48),5,9,5),e.addMany(i(48,64),5,0,6),e.addMany(i(64,127),5,7,0),e.addMany(i(32,48),4,9,5),e.addMany(i(32,48),1,9,2),e.addMany(i(32,48),2,9,2),e.addMany(i(48,127),2,10,0),e.addMany(i(48,80),1,10,0),e.addMany(i(81,88),1,10,0),e.addMany([89,90,92],1,10,0),e.addMany(i(96,127),1,10,0),e.add(80,1,11,9),e.addMany(r,9,0,9),e.add(127,9,0,9),e.addMany(i(28,32),9,0,9),e.addMany(i(32,48),9,9,12),e.addMany(i(48,60),9,8,10),e.addMany([60,61,62,63],9,9,10),e.addMany(r,11,0,11),e.addMany(i(32,128),11,0,11),e.addMany(i(28,32),11,0,11),e.addMany(r,10,0,10),e.add(127,10,0,10),e.addMany(i(28,32),10,0,10),e.addMany(i(48,60),10,8,10),e.addMany([60,61,62,63],10,0,11),e.addMany(i(32,48),10,9,12),e.addMany(r,12,0,12),e.add(127,12,0,12),e.addMany(i(28,32),12,0,12),e.addMany(i(32,48),12,9,12),e.addMany(i(48,64),12,0,11),e.addMany(i(64,127),12,12,13),e.addMany(i(64,127),10,12,13),e.addMany(i(64,127),9,12,13),e.addMany(r,13,13,13),e.addMany(s,13,13,13),e.add(127,13,0,13),e.addMany([27,156,24,26],13,14,0),e.add(h,0,2,0),e.add(h,8,5,8),e.add(h,6,0,6),e.add(h,11,0,11),e.add(h,13,13,13),e}();class c extends s.Disposable{constructor(e=t.VT500_TRANSITION_TABLE){super(),this._transitions=e,this._parseStack={state:0,handlers:[],handlerPos:0,transition:0,chunkPos:0},this.initialState=0,this.currentState=this.initialState,this._params=new r.Params,this._params.addParam(0),this._collect=0,this.precedingJoinState=0,this._printHandlerFb=(e,t,i)=>{},this._executeHandlerFb=e=>{},this._csiHandlerFb=(e,t)=>{},this._escHandlerFb=e=>{},this._errorHandlerFb=e=>e,this._printHandler=this._printHandlerFb,this._executeHandlers=Object.create(null),this._csiHandlers=Object.create(null),this._escHandlers=Object.create(null),this.register((0,s.toDisposable)((()=>{this._csiHandlers=Object.create(null),this._executeHandlers=Object.create(null),this._escHandlers=Object.create(null)}))),this._oscParser=this.register(new n.OscParser),this._dcsParser=this.register(new o.DcsParser),this._errorHandler=this._errorHandlerFb,this.registerEscHandler({final:"\\"},(()=>!0))}_identifier(e,t=[64,126]){let i=0;if(e.prefix){if(e.prefix.length>1)throw new Error("only one byte as prefix supported");if(i=e.prefix.charCodeAt(0),i&&60>i||i>63)throw new Error("prefix must be in range 0x3c .. 0x3f")}if(e.intermediates){if(e.intermediates.length>2)throw new Error("only two bytes as intermediates are supported");for(let t=0;t<e.intermediates.length;++t){const s=e.intermediates.charCodeAt(t);if(32>s||s>47)throw new Error("intermediate must be in range 0x20 .. 0x2f");i<<=8,i|=s}}if(1!==e.final.length)throw new Error("final must be a single byte");const s=e.final.charCodeAt(0);if(t[0]>s||s>t[1])throw new Error(`final must be in range ${t[0]} .. ${t[1]}`);return i<<=8,i|=s,i}identToString(e){const t=[];for(;e;)t.push(String.fromCharCode(255&e)),e>>=8;return t.reverse().join("")}setPrintHandler(e){this._printHandler=e}clearPrintHandler(){this._printHandler=this._printHandlerFb}registerEscHandler(e,t){const i=this._identifier(e,[48,126]);void 0===this._escHandlers[i]&&(this._escHandlers[i]=[]);const s=this._escHandlers[i];return s.push(t),{dispose:()=>{const e=s.indexOf(t);-1!==e&&s.splice(e,1)}}}clearEscHandler(e){this._escHandlers[this._identifier(e,[48,126])]&&delete this._escHandlers[this._identifier(e,[48,126])]}setEscHandlerFallback(e){this._escHandlerFb=e}setExecuteHandler(e,t){this._executeHandlers[e.charCodeAt(0)]=t}clearExecuteHandler(e){this._executeHandlers[e.charCodeAt(0)]&&delete this._executeHandlers[e.charCodeAt(0)]}setExecuteHandlerFallback(e){this._executeHandlerFb=e}registerCsiHandler(e,t){const i=this._identifier(e);void 0===this._csiHandlers[i]&&(this._csiHandlers[i]=[]);const s=this._csiHandlers[i];return s.push(t),{dispose:()=>{const e=s.indexOf(t);-1!==e&&s.splice(e,1)}}}clearCsiHandler(e){this._csiHandlers[this._identifier(e)]&&delete this._csiHandlers[this._identifier(e)]}setCsiHandlerFallback(e){this._csiHandlerFb=e}registerDcsHandler(e,t){return 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s,r=0,n=0,o=0;if(this._parseStack.state)if(2===this._parseStack.state)this._parseStack.state=0,o=this._parseStack.chunkPos+1;else{if(void 0===i||1===this._parseStack.state)throw this._parseStack.state=1,new Error("improper continuation due to previous async handler, giving up parsing");const t=this._parseStack.handlers;let n=this._parseStack.handlerPos-1;switch(this._parseStack.state){case 3:if(!1===i&&n>-1)for(;n>=0&&(s=t[n](this._params),!0!==s);n--)if(s instanceof Promise)return this._parseStack.handlerPos=n,s;this._parseStack.handlers=[];break;case 4:if(!1===i&&n>-1)for(;n>=0&&(s=t[n](),!0!==s);n--)if(s instanceof Promise)return this._parseStack.handlerPos=n,s;this._parseStack.handlers=[];break;case 6:if(r=e[this._parseStack.chunkPos],s=this._dcsParser.unhook(24!==r&&26!==r,i),s)return s;27===r&&(this._parseStack.transition|=1),this._params.reset(),this._params.addParam(0),this._collect=0;break;case 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1:if(this._errorHandler({position:i,code:r,currentState:this.currentState,collect:this._collect,params:this._params,abort:!1}).abort)return;break;case 7:const o=this._csiHandlers[this._collect<<8|r];let a=o?o.length-1:-1;for(;a>=0&&(s=o[a](this._params),!0!==s);a--)if(s instanceof Promise)return this._preserveStack(3,o,a,n,i),s;a<0&&this._csiHandlerFb(this._collect<<8|r,this._params),this.precedingJoinState=0;break;case 8:do{switch(r){case 59:this._params.addParam(0);break;case 58:this._params.addSubParam(-1);break;default:this._params.addDigit(r-48)}}while(++i<t&&(r=e[i])>47&&r<60);i--;break;case 9:this._collect<<=8,this._collect|=r;break;case 10:const c=this._escHandlers[this._collect<<8|r];let l=c?c.length-1:-1;for(;l>=0&&(s=c[l](),!0!==s);l--)if(s instanceof Promise)return this._preserveStack(4,c,l,n,i),s;l<0&&this._escHandlerFb(this._collect<<8|r),this.precedingJoinState=0;break;case 11:this._params.reset(),this._params.addParam(0),this._collect=0;break;case 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s=this._active.length-1;s>=0;s--)this._active[s].put(e,t,i);else this._handlerFb(this._id,"PUT",(0,r.utf32ToString)(e,t,i))}start(){this.reset(),this._state=1}put(e,t,i){if(3!==this._state){if(1===this._state)for(;t<i;){const i=e[t++];if(59===i){this._state=2,this._start();break}if(i<48||57<i)return void(this._state=3);-1===this._id&&(this._id=0),this._id=10*this._id+i-48}2===this._state&&i-t>0&&this._put(e,t,i)}}end(e,t=!0){if(0!==this._state){if(3!==this._state)if(1===this._state&&this._start(),this._active.length){let i=!1,s=this._active.length-1,r=!1;if(this._stack.paused&&(s=this._stack.loopPosition-1,i=t,r=this._stack.fallThrough,this._stack.paused=!1),!r&&!1===i){for(;s>=0&&(i=this._active[s].end(e),!0!==i);s--)if(i instanceof Promise)return this._stack.paused=!0,this._stack.loopPosition=s,this._stack.fallThrough=!1,i;s--}for(;s>=0;s--)if(i=this._active[s].end(!1),i instanceof Promise)return this._stack.paused=!0,this._stack.loopPosition=s,this._stack.fallThrough=!0,i}else this._handlerFb(this._id,"END",e);this._active=n,this._id=-1,this._state=0}}},t.OscHandler=class{constructor(e){this._handler=e,this._data="",this._hitLimit=!1}start(){this._data="",this._hitLimit=!1}put(e,t,i){this._hitLimit||(this._data+=(0,r.utf32ToString)(e,t,i),this._data.length>s.PAYLOAD_LIMIT&&(this._data="",this._hitLimit=!0))}end(e){let t=!1;if(this._hitLimit)t=!1;else if(e&&(t=this._handler(this._data),t instanceof Promise))return t.then((e=>(this._data="",this._hitLimit=!1,e)));return this._data="",this._hitLimit=!1,t}}},8742:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.Params=void 0;const i=2147483647;class s{static fromArray(e){const t=new s;if(!e.length)return t;for(let i=Array.isArray(e[0])?1:0;i<e.length;++i){const s=e[i];if(Array.isArray(s))for(let e=0;e<s.length;++e)t.addSubParam(s[e]);else t.addParam(s)}return t}constructor(e=32,t=32){if(this.maxLength=e,this.maxSubParamsLength=t,t>256)throw new Error("maxSubParamsLength must not be greater than 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Error("This API only accepts integers")}_verifyPositiveIntegers(...e){for(const t of e)if(t&&(t===1/0||isNaN(t)||t%1!=0||t<0))throw new Error("This API only accepts positive integers")}}e.Terminal=d})(),s})()));
+//# sourceMappingURL=xterm.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/xterm/lib/xterm.js.map b/web/public/node_modules/@xterm/xterm/lib/xterm.js.map
new file mode 100644
index 000000000..ef37aec94
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/lib/xterm.js.map
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse {\n\t\tvar a = factory();\n\t\tfor(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n\t}\n})(globalThis, () => {\nreturn ","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from 'browser/LocalizableStrings';\nimport { ITerminal, IRenderDebouncer } from 'browser/Types';\nimport { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { ICoreBrowserService, IRenderService } from 'browser/services/Services';\nimport { IBuffer } from 'common/buffer/Types';\nimport { IInstantiationService } from 'common/services/Services';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\n\nconst MAX_ROWS_TO_READ = 20;\n\nconst enum BoundaryPosition {\n  TOP,\n  BOTTOM\n}\n\n// Turn this on to unhide the accessibility tree and display it under\n// (instead of overlapping with) the terminal.\nconst DEBUG = false;\n\nexport class AccessibilityManager extends Disposable {\n  private _debugRootContainer: HTMLElement | undefined;\n  private _accessibilityContainer: HTMLElement;\n\n  private _rowContainer: HTMLElement;\n  private _rowElements: HTMLElement[];\n  private _rowColumns: WeakMap<HTMLElement, number[]> = new WeakMap();\n\n  private _liveRegion: HTMLElement;\n  private _liveRegionLineCount: number = 0;\n  private _liveRegionDebouncer: IRenderDebouncer;\n\n  private _topBoundaryFocusListener: (e: FocusEvent) => void;\n  private _bottomBoundaryFocusListener: (e: FocusEvent) => void;\n\n  /**\n   * This queue has a character pushed to it for keys that are pressed, if the\n   * next character added to the terminal is equal to the key char then it is\n   * not announced (added to live region) because it has already been announced\n   * by the textarea event (which cannot be canceled). There are some race\n   * condition cases if there is typing while data is streaming, but this covers\n   * the main case of typing into the prompt and inputting the answer to a\n   * question (Y/N, etc.).\n   */\n  private _charsToConsume: string[] = [];\n\n  private _charsToAnnounce: string = '';\n\n  constructor(\n    private readonly _terminal: ITerminal,\n    @IInstantiationService instantiationService: IInstantiationService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @IRenderService private readonly _renderService: IRenderService\n  ) {\n    super();\n    this._accessibilityContainer = this._coreBrowserService.mainDocument.createElement('div');\n    this._accessibilityContainer.classList.add('xterm-accessibility');\n\n    this._rowContainer = this._coreBrowserService.mainDocument.createElement('div');\n    this._rowContainer.setAttribute('role', 'list');\n    this._rowContainer.classList.add('xterm-accessibility-tree');\n    this._rowElements = [];\n    for (let i = 0; i < this._terminal.rows; i++) {\n      this._rowElements[i] = this._createAccessibilityTreeNode();\n      this._rowContainer.appendChild(this._rowElements[i]);\n    }\n\n    this._topBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.TOP);\n    this._bottomBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.BOTTOM);\n    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    this._refreshRowsDimensions();\n    this._accessibilityContainer.appendChild(this._rowContainer);\n\n    this._liveRegion = this._coreBrowserService.mainDocument.createElement('div');\n    this._liveRegion.classList.add('live-region');\n    this._liveRegion.setAttribute('aria-live', 'assertive');\n    this._accessibilityContainer.appendChild(this._liveRegion);\n    this._liveRegionDebouncer = this.register(new TimeBasedDebouncer(this._renderRows.bind(this)));\n\n    if (!this._terminal.element) {\n      throw new Error('Cannot enable accessibility before Terminal.open');\n    }\n\n    if (DEBUG) {\n      this._accessibilityContainer.classList.add('debug');\n      this._rowContainer.classList.add('debug');\n\n      // Use a `<div class=\"xterm\">` container so that the css will still apply.\n      this._debugRootContainer = document.createElement('div');\n      this._debugRootContainer.classList.add('xterm');\n\n      this._debugRootContainer.appendChild(document.createTextNode('------start a11y------'));\n      this._debugRootContainer.appendChild(this._accessibilityContainer);\n      this._debugRootContainer.appendChild(document.createTextNode('------end a11y------'));\n\n      this._terminal.element.insertAdjacentElement('afterend', this._debugRootContainer);\n    } else {\n      this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityContainer);\n    }\n\n    this.register(this._terminal.onResize(e => this._handleResize(e.rows)));\n    this.register(this._terminal.onRender(e => this._refreshRows(e.start, e.end)));\n    this.register(this._terminal.onScroll(() => this._refreshRows()));\n    // Line feed is an issue as the prompt won't be read out after a command is run\n    this.register(this._terminal.onA11yChar(char => this._handleChar(char)));\n    this.register(this._terminal.onLineFeed(() => this._handleChar('\\n')));\n    this.register(this._terminal.onA11yTab(spaceCount => this._handleTab(spaceCount)));\n    this.register(this._terminal.onKey(e => this._handleKey(e.key)));\n    this.register(this._terminal.onBlur(() => this._clearLiveRegion()));\n    this.register(this._renderService.onDimensionsChange(() => this._refreshRowsDimensions()));\n    this.register(addDisposableDomListener(document, 'selectionchange', () => this._handleSelectionChange()));\n    this.register(this._coreBrowserService.onDprChange(() => this._refreshRowsDimensions()));\n\n    this._refreshRows();\n    this.register(toDisposable(() => {\n      if (DEBUG) {\n        this._debugRootContainer!.remove();\n      } else {\n        this._accessibilityContainer.remove();\n      }\n      this._rowElements.length = 0;\n    }));\n  }\n\n  private _handleTab(spaceCount: number): void {\n    for (let i = 0; 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i <= end; i++) {\n      const line = buffer.lines.get(buffer.ydisp + i);\n      const columns: number[] = [];\n      const lineData = line?.translateToString(true, undefined, undefined, columns) || '';\n      const posInSet = (buffer.ydisp + i + 1).toString();\n      const element = this._rowElements[i];\n      if (element) {\n        if (lineData.length === 0) {\n          element.innerText = '\\u00a0';\n          this._rowColumns.set(element, [0, 1]);\n        } else {\n          element.textContent = lineData;\n          this._rowColumns.set(element, columns);\n        }\n        element.setAttribute('aria-posinset', posInSet);\n        element.setAttribute('aria-setsize', setSize);\n      }\n    }\n    this._announceCharacters();\n  }\n\n  private _announceCharacters(): void {\n    if (this._charsToAnnounce.length === 0) {\n      return;\n    }\n    this._liveRegion.textContent += this._charsToAnnounce;\n    this._charsToAnnounce = '';\n  }\n\n  private _handleBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {\n    const boundaryElement = e.target as HTMLElement;\n    const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];\n\n    // Don't scroll if the buffer top has reached the end in that direction\n    const posInSet = boundaryElement.getAttribute('aria-posinset');\n    const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;\n    if (posInSet === lastRowPos) {\n      return;\n    }\n\n    // Don't scroll when the last focused item was not the second row (focus is going the other\n    // direction)\n    if (e.relatedTarget !== beforeBoundaryElement) {\n      return;\n    }\n\n    // Remove old boundary element from array\n    let topBoundaryElement: HTMLElement;\n    let bottomBoundaryElement: HTMLElement;\n    if (position === BoundaryPosition.TOP) {\n      topBoundaryElement = boundaryElement;\n      bottomBoundaryElement = this._rowElements.pop()!;\n      this._rowContainer.removeChild(bottomBoundaryElement);\n    } else {\n      topBoundaryElement = this._rowElements.shift()!;\n      bottomBoundaryElement = boundaryElement;\n      this._rowContainer.removeChild(topBoundaryElement);\n    }\n\n    // Remove listeners from old boundary elements\n    topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);\n    bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Add new element to array/DOM\n    if (position === BoundaryPosition.TOP) {\n      const newElement = this._createAccessibilityTreeNode();\n      this._rowElements.unshift(newElement);\n      this._rowContainer.insertAdjacentElement('afterbegin', newElement);\n    } else {\n      const newElement = this._createAccessibilityTreeNode();\n      this._rowElements.push(newElement);\n      this._rowContainer.appendChild(newElement);\n    }\n\n    // Add listeners to new boundary elements\n    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Scroll up\n    this._terminal.scrollLines(position === BoundaryPosition.TOP ? -1 : 1);\n\n    // Focus new boundary before element\n    this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2].focus();\n\n    // Prevent the standard behavior\n    e.preventDefault();\n    e.stopImmediatePropagation();\n  }\n\n  private _handleSelectionChange(): void {\n    if (this._rowElements.length === 0) {\n      return;\n    }\n\n    const selection = document.getSelection();\n    if (!selection) {\n      return;\n    }\n\n    if (selection.isCollapsed) {\n      // Only do something when the anchorNode is inside the row container. This\n      // behavior mirrors what we do with mouse --- if the mouse clicks\n      // somewhere outside of the terminal, we don't clear the selection.\n      if (this._rowContainer.contains(selection.anchorNode)) {\n        this._terminal.clearSelection();\n      }\n      return;\n    }\n\n    if (!selection.anchorNode || !selection.focusNode) {\n      console.error('anchorNode and/or focusNode are null');\n      return;\n    }\n\n    // Sort the two selection points in document order.\n    let begin = { node: selection.anchorNode, offset: selection.anchorOffset };\n    let end = { node: selection.focusNode, offset: selection.focusOffset };\n    if ((begin.node.compareDocumentPosition(end.node) & Node.DOCUMENT_POSITION_PRECEDING) || (begin.node === end.node && begin.offset > end.offset) ) {\n      [begin, end] = [end, begin];\n    }\n\n    // Clamp begin/end to the inside of the row container.\n    if (begin.node.compareDocumentPosition(this._rowElements[0]) & (Node.DOCUMENT_POSITION_CONTAINED_BY | Node.DOCUMENT_POSITION_FOLLOWING)) {\n      begin = { node: this._rowElements[0].childNodes[0], offset: 0 };\n    }\n    if (!this._rowContainer.contains(begin.node)) {\n      // This happens when `begin` is below the last row.\n      return;\n    }\n    const lastRowElement = this._rowElements.slice(-1)[0];\n    if (end.node.compareDocumentPosition(lastRowElement) & (Node.DOCUMENT_POSITION_CONTAINED_BY | Node.DOCUMENT_POSITION_PRECEDING)) {\n      end = {\n        node: lastRowElement,\n        offset: lastRowElement.textContent?.length ?? 0\n      };\n    }\n    if (!this._rowContainer.contains(end.node)) {\n      // This happens when `end` is above the first row.\n      return;\n    }\n\n    const toRowColumn = ({ node, offset }: typeof begin): {row: number, column: number} | null => {\n      // `node` is either the row element or the Text node inside it.\n      const rowElement: any = node instanceof Text ? node.parentNode : node;\n      let row = parseInt(rowElement?.getAttribute('aria-posinset'), 10) - 1;\n      if (isNaN(row)) {\n        console.warn('row is invalid. Race condition?');\n        return null;\n      }\n\n      const columns = this._rowColumns.get(rowElement);\n      if (!columns) {\n        console.warn('columns is null. Race condition?');\n        return null;\n      }\n\n      let column = offset < columns.length ? columns[offset] : columns.slice(-1)[0] + 1;\n      if (column >= this._terminal.cols) {\n        ++row;\n        column = 0;\n      }\n      return {\n        row,\n        column\n      };\n    };\n\n    const beginRowColumn = toRowColumn(begin);\n    const endRowColumn = toRowColumn(end);\n\n    if (!beginRowColumn || !endRowColumn) {\n      return;\n    }\n\n    if (beginRowColumn.row > endRowColumn.row || (beginRowColumn.row === endRowColumn.row && beginRowColumn.column >= endRowColumn.column)) {\n      // This should not happen unless we have some bugs.\n      throw new Error('invalid range');\n    }\n\n    this._terminal.select(\n      beginRowColumn.column,\n      beginRowColumn.row,\n      (endRowColumn.row - beginRowColumn.row) * this._terminal.cols - beginRowColumn.column + endRowColumn.column\n    );\n  }\n\n  private _handleResize(rows: number): void {\n    // Remove bottom boundary listener\n    this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Grow rows as required\n    for (let i = this._rowContainer.children.length; i < this._terminal.rows; i++) {\n      this._rowElements[i] = this._createAccessibilityTreeNode();\n      this._rowContainer.appendChild(this._rowElements[i]);\n    }\n    // Shrink rows as required\n    while (this._rowElements.length > rows) {\n      this._rowContainer.removeChild(this._rowElements.pop()!);\n    }\n\n    // Add bottom boundary listener\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    this._refreshRowsDimensions();\n  }\n\n  private _createAccessibilityTreeNode(): HTMLElement {\n    const element = this._coreBrowserService.mainDocument.createElement('div');\n    element.setAttribute('role', 'listitem');\n    element.tabIndex = -1;\n    this._refreshRowDimensions(element);\n    return element;\n  }\n  private _refreshRowsDimensions(): void {\n    if (!this._renderService.dimensions.css.cell.height) {\n      return;\n    }\n    this._accessibilityContainer.style.width = `${this._renderService.dimensions.css.canvas.width}px`;\n    if (this._rowElements.length !== this._terminal.rows) {\n      this._handleResize(this._terminal.rows);\n    }\n    for (let i = 0; i < this._terminal.rows; i++) {\n      this._refreshRowDimensions(this._rowElements[i]);\n    }\n  }\n  private _refreshRowDimensions(element: HTMLElement): void {\n    element.style.height = `${this._renderService.dimensions.css.cell.height}px`;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ISelectionService } from 'browser/services/Services';\nimport { ICoreService, IOptionsService } from 'common/services/Services';\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string): string {\n  return text.replace(/\\r?\\n/g, '\\r');\n}\n\n/**\n * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste\n * @param text The pasted text to bracket\n */\nexport function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {\n  if (bracketedPasteMode) {\n    return '\\x1b[200~' + text + '\\x1b[201~';\n  }\n  return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, selectionService: ISelectionService): void {\n  if (ev.clipboardData) {\n    ev.clipboardData.setData('text/plain', selectionService.selectionText);\n  }\n  // Prevent or the original text will be copied.\n  ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n */\nexport function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {\n  ev.stopPropagation();\n  if (ev.clipboardData) {\n    const text = ev.clipboardData.getData('text/plain');\n    paste(text, textarea, coreService, optionsService);\n  }\n}\n\nexport function paste(text: string, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {\n  text = prepareTextForTerminal(text);\n  text = bracketTextForPaste(text, coreService.decPrivateModes.bracketedPasteMode && optionsService.rawOptions.ignoreBracketedPasteMode !== true);\n  coreService.triggerDataEvent(text, true);\n  textarea.value = '';\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement): void {\n\n  // Calculate textarea position relative to the screen element\n  const pos = screenElement.getBoundingClientRect();\n  const left = ev.clientX - pos.left - 10;\n  const top = ev.clientY - pos.top - 10;\n\n  // Bring textarea at the cursor position\n  textarea.style.width = '20px';\n  textarea.style.height = '20px';\n  textarea.style.left = `${left}px`;\n  textarea.style.top = `${top}px`;\n  textarea.style.zIndex = '1000';\n\n  textarea.focus();\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement, selectionService: ISelectionService, shouldSelectWord: boolean): void {\n  moveTextAreaUnderMouseCursor(ev, textarea, screenElement);\n\n  if (shouldSelectWord) {\n    selectionService.rightClickSelect(ev);\n  }\n\n  // Get textarea ready to copy from the context menu\n  textarea.value = selectionService.selectionText;\n  textarea.select();\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorContrastCache } from 'browser/Types';\nimport { IColor } from 'common/Types';\nimport { TwoKeyMap } from 'common/MultiKeyMap';\n\nexport class ColorContrastCache implements IColorContrastCache {\n  private _color: TwoKeyMap</* bg */number, /* fg */number, IColor | null> = new TwoKeyMap();\n  private _css: TwoKeyMap</* bg */number, /* fg */number, string | null> = new TwoKeyMap();\n\n  public setCss(bg: number, fg: number, value: string | null): void {\n    this._css.set(bg, fg, value);\n  }\n\n  public getCss(bg: number, fg: number): string | null | undefined {\n    return this._css.get(bg, fg);\n  }\n\n  public setColor(bg: number, fg: number, value: IColor | null): void {\n    this._color.set(bg, fg, value);\n  }\n\n  public getColor(bg: number, fg: number): IColor | null | undefined {\n    return this._color.get(bg, fg);\n  }\n\n  public clear(): void {\n    this._color.clear();\n    this._css.clear();\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * Adds a disposable listener to a node in the DOM, returning the disposable.\n * @param node The node to add a listener to.\n * @param type The event type.\n * @param handler The handler for the listener.\n * @param options The boolean or options object to pass on to the event\n * listener.\n */\nexport function addDisposableDomListener(\n  node: Element | Window | Document,\n  type: string,\n  handler: (e: any) => void,\n  options?: boolean | AddEventListenerOptions\n): IDisposable {\n  node.addEventListener(type, handler, options);\n  let disposed = false;\n  return {\n    dispose: () => {\n      if (disposed) {\n        return;\n      }\n      disposed = true;\n      node.removeEventListener(type, handler, options);\n    }\n  };\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IBufferCellPosition, ILink, ILinkDecorations, ILinkWithState, ILinkifier2, ILinkifierEvent } from 'browser/Types';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, disposeArray, getDisposeArrayDisposable, toDisposable } from 'common/Lifecycle';\nimport { IDisposable } from 'common/Types';\nimport { IBufferService } from 'common/services/Services';\nimport { ILinkProviderService, IMouseService, IRenderService } from './services/Services';\n\nexport class Linkifier extends Disposable implements ILinkifier2 {\n  public get currentLink(): ILinkWithState | undefined { return this._currentLink; }\n  protected _currentLink: ILinkWithState | undefined;\n  private _mouseDownLink: ILinkWithState | undefined;\n  private _lastMouseEvent: MouseEvent | undefined;\n  private _linkCacheDisposables: IDisposable[] = [];\n  private _lastBufferCell: IBufferCellPosition | undefined;\n  private _isMouseOut: boolean = true;\n  private _wasResized: boolean = false;\n  private _activeProviderReplies: Map<Number, ILinkWithState[] | undefined> | undefined;\n  private _activeLine: number = -1;\n\n  private readonly _onShowLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());\n  public readonly onShowLinkUnderline = this._onShowLinkUnderline.event;\n  private readonly _onHideLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());\n  public readonly onHideLinkUnderline = this._onHideLinkUnderline.event;\n\n  constructor(\n    private readonly _element: HTMLElement,\n    @IMouseService private readonly _mouseService: IMouseService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ILinkProviderService private readonly _linkProviderService: ILinkProviderService\n  ) {\n    super();\n    this.register(getDisposeArrayDisposable(this._linkCacheDisposables));\n    this.register(toDisposable(() => {\n      this._lastMouseEvent = undefined;\n      // Clear out link providers as they could easily cause an embedder memory leak\n      this._activeProviderReplies?.clear();\n    }));\n    // Listen to resize to catch the case where it's resized and the cursor is out of the viewport.\n    this.register(this._bufferService.onResize(() => {\n      this._clearCurrentLink();\n      this._wasResized = true;\n    }));\n    this.register(addDisposableDomListener(this._element, 'mouseleave', () => {\n      this._isMouseOut = true;\n      this._clearCurrentLink();\n    }));\n    this.register(addDisposableDomListener(this._element, 'mousemove', this._handleMouseMove.bind(this)));\n    this.register(addDisposableDomListener(this._element, 'mousedown', this._handleMouseDown.bind(this)));\n    this.register(addDisposableDomListener(this._element, 'mouseup', this._handleMouseUp.bind(this)));\n  }\n\n  private _handleMouseMove(event: MouseEvent): void {\n    this._lastMouseEvent = event;\n\n    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);\n    if (!position) {\n      return;\n    }\n    this._isMouseOut = false;\n\n    // Ignore the event if it's an embedder created hover widget\n    const composedPath = event.composedPath() as HTMLElement[];\n    for (let i = 0; i < composedPath.length; i++) {\n      const target = composedPath[i];\n      // Hit Terminal.element, break and continue\n      if (target.classList.contains('xterm')) {\n        break;\n      }\n      // It's a hover, don't respect hover event\n      if (target.classList.contains('xterm-hover')) {\n        return;\n      }\n    }\n\n    if (!this._lastBufferCell || (position.x !== this._lastBufferCell.x || position.y !== this._lastBufferCell.y)) {\n      this._handleHover(position);\n      this._lastBufferCell = position;\n    }\n  }\n\n  private _handleHover(position: IBufferCellPosition): void {\n    // TODO: This currently does not cache link provider results across wrapped lines, activeLine\n    //       should be something like `activeRange: {startY, endY}`\n    // Check if we need to clear the link\n    if (this._activeLine !== position.y || this._wasResized) {\n      this._clearCurrentLink();\n      this._askForLink(position, false);\n      this._wasResized = false;\n      return;\n    }\n\n    // Check the if the link is in the mouse position\n    const isCurrentLinkInPosition = this._currentLink && this._linkAtPosition(this._currentLink.link, position);\n    if (!isCurrentLinkInPosition) {\n      this._clearCurrentLink();\n      this._askForLink(position, true);\n    }\n  }\n\n  private _askForLink(position: IBufferCellPosition, useLineCache: boolean): void {\n    if (!this._activeProviderReplies || !useLineCache) {\n      this._activeProviderReplies?.forEach(reply => {\n        reply?.forEach(linkWithState => {\n          if (linkWithState.link.dispose) {\n            linkWithState.link.dispose();\n          }\n        });\n      });\n      this._activeProviderReplies = new Map();\n      this._activeLine = position.y;\n    }\n    let linkProvided = false;\n\n    // There is no link cached, so ask for one\n    for (const [i, linkProvider] of this._linkProviderService.linkProviders.entries()) {\n      if (useLineCache) {\n        const existingReply = this._activeProviderReplies?.get(i);\n        // If there isn't a reply, the provider hasn't responded yet.\n\n        // TODO: If there isn't a reply yet it means that the provider is still resolving. Ensuring\n        // provideLinks isn't triggered again saves ILink.hover firing twice though. This probably\n        // needs promises to get fixed\n        if (existingReply) {\n          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);\n        }\n      } else {\n        linkProvider.provideLinks(position.y, (links: ILink[] | undefined) => {\n          if (this._isMouseOut) {\n            return;\n          }\n          const linksWithState: ILinkWithState[] | undefined = links?.map(link  => ({ link }));\n          this._activeProviderReplies?.set(i, linksWithState);\n          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);\n\n          // If all providers have responded, remove lower priority links that intersect ranges of\n          // higher priority links\n          if (this._activeProviderReplies?.size === this._linkProviderService.linkProviders.length) {\n            this._removeIntersectingLinks(position.y, this._activeProviderReplies);\n          }\n        });\n      }\n    }\n  }\n\n  private _removeIntersectingLinks(y: number, replies: Map<Number, ILinkWithState[] | undefined>): void {\n    const occupiedCells = new Set<number>();\n    for (let i = 0; i < replies.size; i++) {\n      const providerReply = replies.get(i);\n      if (!providerReply) {\n        continue;\n      }\n      for (let i = 0; i < providerReply.length; i++) {\n        const linkWithState = providerReply[i];\n        const startX = linkWithState.link.range.start.y < y ? 0 : linkWithState.link.range.start.x;\n        const endX = linkWithState.link.range.end.y > y ? this._bufferService.cols : linkWithState.link.range.end.x;\n        for (let x = startX; x <= endX; x++) {\n          if (occupiedCells.has(x)) {\n            providerReply.splice(i--, 1);\n            break;\n          }\n          occupiedCells.add(x);\n        }\n      }\n    }\n  }\n\n  private _checkLinkProviderResult(index: number, position: IBufferCellPosition, linkProvided: boolean): boolean {\n    if (!this._activeProviderReplies) {\n      return linkProvided;\n    }\n\n    const links = this._activeProviderReplies.get(index);\n\n    // Check if every provider before this one has come back undefined\n    let hasLinkBefore = false;\n    for (let j = 0; j < index; j++) {\n      if (!this._activeProviderReplies.has(j) || this._activeProviderReplies.get(j)) {\n        hasLinkBefore = true;\n      }\n    }\n\n    // If all providers with higher priority came back undefined, then this provider's link for\n    // the position should be used\n    if (!hasLinkBefore && links) {\n      const linkAtPosition = links.find(link => this._linkAtPosition(link.link, position));\n      if (linkAtPosition) {\n        linkProvided = true;\n        this._handleNewLink(linkAtPosition);\n      }\n    }\n\n    // Check if all the providers have responded\n    if (this._activeProviderReplies.size === this._linkProviderService.linkProviders.length && !linkProvided) {\n      // Respect the order of the link providers\n      for (let j = 0; j < this._activeProviderReplies.size; j++) {\n        const currentLink = this._activeProviderReplies.get(j)?.find(link => this._linkAtPosition(link.link, position));\n        if (currentLink) {\n          linkProvided = true;\n          this._handleNewLink(currentLink);\n          break;\n        }\n      }\n    }\n\n    return linkProvided;\n  }\n\n  private _handleMouseDown(): void {\n    this._mouseDownLink = this._currentLink;\n  }\n\n  private _handleMouseUp(event: MouseEvent): void {\n    if (!this._currentLink) {\n      return;\n    }\n\n    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);\n    if (!position) {\n      return;\n    }\n\n    if (this._mouseDownLink === this._currentLink && this._linkAtPosition(this._currentLink.link, position)) {\n      this._currentLink.link.activate(event, this._currentLink.link.text);\n    }\n  }\n\n  private _clearCurrentLink(startRow?: number, endRow?: number): void {\n    if (!this._currentLink || !this._lastMouseEvent) {\n      return;\n    }\n\n    // If we have a start and end row, check that the link is within it\n    if (!startRow || !endRow || (this._currentLink.link.range.start.y >= startRow && this._currentLink.link.range.end.y <= endRow)) {\n      this._linkLeave(this._element, this._currentLink.link, this._lastMouseEvent);\n      this._currentLink = undefined;\n      disposeArray(this._linkCacheDisposables);\n    }\n  }\n\n  private _handleNewLink(linkWithState: ILinkWithState): void {\n    if (!this._lastMouseEvent) {\n      return;\n    }\n\n    const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService);\n\n    if (!position) {\n      return;\n    }\n\n    // Trigger hover if the we have a link at the position\n    if (this._linkAtPosition(linkWithState.link, position)) {\n      this._currentLink = linkWithState;\n      this._currentLink.state = {\n        decorations: {\n          underline: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.underline,\n          pointerCursor: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.pointerCursor\n        },\n        isHovered: true\n      };\n      this._linkHover(this._element, linkWithState.link, this._lastMouseEvent);\n\n      // Add listener for tracking decorations changes\n      linkWithState.link.decorations = {} as ILinkDecorations;\n      Object.defineProperties(linkWithState.link.decorations, {\n        pointerCursor: {\n          get: () => this._currentLink?.state?.decorations.pointerCursor,\n          set: v => {\n            if (this._currentLink?.state && this._currentLink.state.decorations.pointerCursor !== v) {\n              this._currentLink.state.decorations.pointerCursor = v;\n              if (this._currentLink.state.isHovered) {\n                this._element.classList.toggle('xterm-cursor-pointer', v);\n              }\n            }\n          }\n        },\n        underline: {\n          get: () => this._currentLink?.state?.decorations.underline,\n          set: v => {\n            if (this._currentLink?.state && this._currentLink?.state?.decorations.underline !== v) {\n              this._currentLink.state.decorations.underline = v;\n              if (this._currentLink.state.isHovered) {\n                this._fireUnderlineEvent(linkWithState.link, v);\n              }\n            }\n          }\n        }\n      });\n\n      // Listen to viewport changes to re-render the link under the cursor (only when the line the\n      // link is on changes)\n      this._linkCacheDisposables.push(this._renderService.onRenderedViewportChange(e => {\n        // Sanity check, this shouldn't happen in practice as this listener would be disposed\n        if (!this._currentLink) {\n          return;\n        }\n        // When start is 0 a scroll most likely occurred, make sure links above the fold also get\n        // cleared.\n        const start = e.start === 0 ? 0 : e.start + 1 + this._bufferService.buffer.ydisp;\n        const end = this._bufferService.buffer.ydisp + 1 + e.end;\n        // Only clear the link if the viewport change happened on this line\n        if (this._currentLink.link.range.start.y >= start && this._currentLink.link.range.end.y <= end) {\n          this._clearCurrentLink(start, end);\n          if (this._lastMouseEvent) {\n            // re-eval previously active link after changes\n            const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService!);\n            if (position) {\n              this._askForLink(position, false);\n            }\n          }\n        }\n      }));\n    }\n  }\n\n  protected _linkHover(element: HTMLElement, link: ILink, event: MouseEvent): void {\n    if (this._currentLink?.state) {\n      this._currentLink.state.isHovered = true;\n      if (this._currentLink.state.decorations.underline) {\n        this._fireUnderlineEvent(link, true);\n      }\n      if (this._currentLink.state.decorations.pointerCursor) {\n        element.classList.add('xterm-cursor-pointer');\n      }\n    }\n\n    if (link.hover) {\n      link.hover(event, link.text);\n    }\n  }\n\n  private _fireUnderlineEvent(link: ILink, showEvent: boolean): void {\n    const range = link.range;\n    const scrollOffset = this._bufferService.buffer.ydisp;\n    const event = this._createLinkUnderlineEvent(range.start.x - 1, range.start.y - scrollOffset - 1, range.end.x, range.end.y - scrollOffset - 1, undefined);\n    const emitter = showEvent ? this._onShowLinkUnderline : this._onHideLinkUnderline;\n    emitter.fire(event);\n  }\n\n  protected _linkLeave(element: HTMLElement, link: ILink, event: MouseEvent): void {\n    if (this._currentLink?.state) {\n      this._currentLink.state.isHovered = false;\n      if (this._currentLink.state.decorations.underline) {\n        this._fireUnderlineEvent(link, false);\n      }\n      if (this._currentLink.state.decorations.pointerCursor) {\n        element.classList.remove('xterm-cursor-pointer');\n      }\n    }\n\n    if (link.leave) {\n      link.leave(event, link.text);\n    }\n  }\n\n  /**\n   * Check if the buffer position is within the link\n   * @param link\n   * @param position\n   */\n  private _linkAtPosition(link: ILink, position: IBufferCellPosition): boolean {\n    const lower = link.range.start.y * this._bufferService.cols + link.range.start.x;\n    const upper = link.range.end.y * this._bufferService.cols + link.range.end.x;\n    const current = position.y * this._bufferService.cols + position.x;\n    return (lower <= current && current <= upper);\n  }\n\n  /**\n   * Get the buffer position from a mouse event\n   * @param event\n   */\n  private _positionFromMouseEvent(event: MouseEvent, element: HTMLElement, mouseService: IMouseService): IBufferCellPosition | undefined {\n    const coords = mouseService.getCoords(event, element, this._bufferService.cols, this._bufferService.rows);\n    if (!coords) {\n      return;\n    }\n\n    return { x: coords[0], y: coords[1] + this._bufferService.buffer.ydisp };\n  }\n\n  private _createLinkUnderlineEvent(x1: number, y1: number, x2: number, y2: number, fg: number | undefined): ILinkifierEvent {\n    return { x1, y1, x2, y2, cols: this._bufferService.cols, fg };\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n// This file contains strings that get exported in the API so they can be localized\n\n// eslint-disable-next-line prefer-const\nexport let promptLabel = 'Terminal input';\n\n// eslint-disable-next-line prefer-const\nexport let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferRange, ILink } from 'browser/Types';\nimport { ILinkProvider } from 'browser/services/Services';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferService, IOptionsService, IOscLinkService } from 'common/services/Services';\n\nexport class OscLinkProvider implements ILinkProvider {\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @IOscLinkService private readonly _oscLinkService: IOscLinkService\n  ) {\n  }\n\n  public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {\n    const line = this._bufferService.buffer.lines.get(y - 1);\n    if (!line) {\n      callback(undefined);\n      return;\n    }\n\n    const result: ILink[] = [];\n    const linkHandler = this._optionsService.rawOptions.linkHandler;\n    const cell = new CellData();\n    const lineLength = line.getTrimmedLength();\n    let currentLinkId = -1;\n    let currentStart = -1;\n    let finishLink = false;\n    for (let x = 0; x < lineLength; x++) {\n      // Minor optimization, only check for content if there isn't a link in case the link ends with\n      // a null cell\n      if (currentStart === -1 && !line.hasContent(x)) {\n        continue;\n      }\n\n      line.loadCell(x, cell);\n      if (cell.hasExtendedAttrs() && cell.extended.urlId) {\n        if (currentStart === -1) {\n          currentStart = x;\n          currentLinkId = cell.extended.urlId;\n          continue;\n        } else {\n          finishLink = cell.extended.urlId !== currentLinkId;\n        }\n      } else {\n        if (currentStart !== -1) {\n          finishLink = true;\n        }\n      }\n\n      if (finishLink || (currentStart !== -1 && x === lineLength - 1)) {\n        const text = this._oscLinkService.getLinkData(currentLinkId)?.uri;\n        if (text) {\n          // These ranges are 1-based\n          const range: IBufferRange = {\n            start: {\n              x: currentStart + 1,\n              y\n            },\n            end: {\n              // Offset end x if it's a link that ends on the last cell in the line\n              x: x + (!finishLink && x === lineLength - 1 ? 1 : 0),\n              y\n            }\n          };\n\n          let ignoreLink = false;\n          if (!linkHandler?.allowNonHttpProtocols) {\n            try {\n              const parsed = new URL(text);\n              if (!['http:', 'https:'].includes(parsed.protocol)) {\n                ignoreLink = true;\n              }\n            } catch (e) {\n              // Ignore invalid URLs to prevent unexpected behaviors\n              ignoreLink = true;\n            }\n          }\n\n          if (!ignoreLink) {\n            // OSC links always use underline and pointer decorations\n            result.push({\n              text,\n              range,\n              activate: (e, text) => (linkHandler ? linkHandler.activate(e, text, range) : defaultActivate(e, text)),\n              hover: (e, text) => linkHandler?.hover?.(e, text, range),\n              leave: (e, text) => linkHandler?.leave?.(e, text, range)\n            });\n          }\n        }\n        finishLink = false;\n\n        // Clear link or start a new link if one starts immediately\n        if (cell.hasExtendedAttrs() && cell.extended.urlId) {\n          currentStart = x;\n          currentLinkId = cell.extended.urlId;\n        } else {\n          currentStart = -1;\n          currentLinkId = -1;\n        }\n      }\n    }\n\n    // TODO: Handle fetching and returning other link ranges to underline other links with the same\n    //       id\n    callback(result);\n  }\n}\n\nfunction defaultActivate(e: MouseEvent, uri: string): void {\n  const answer = confirm(`Do you want to navigate to ${uri}?\\n\\nWARNING: This link could potentially be dangerous`);\n  if (answer) {\n    const newWindow = window.open();\n    if (newWindow) {\n      try {\n        newWindow.opener = null;\n      } catch {\n        // no-op, Electron can throw\n      }\n      newWindow.location.href = uri;\n    } else {\n      console.warn('Opening link blocked as opener could not be cleared');\n    }\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderDebouncerWithCallback } from 'browser/Types';\nimport { ICoreBrowserService } from 'browser/services/Services';\n\n/**\n * Debounces calls to render terminal rows using animation frames.\n */\nexport class RenderDebouncer implements IRenderDebouncerWithCallback {\n  private _rowStart: number | undefined;\n  private _rowEnd: number | undefined;\n  private _rowCount: number | undefined;\n  private _animationFrame: number | undefined;\n  private _refreshCallbacks: FrameRequestCallback[] = [];\n\n  constructor(\n    private _renderCallback: (start: number, end: number) => void,\n    private readonly _coreBrowserService: ICoreBrowserService\n  ) {\n  }\n\n  public dispose(): void {\n    if (this._animationFrame) {\n      this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame);\n      this._animationFrame = undefined;\n    }\n  }\n\n  public addRefreshCallback(callback: FrameRequestCallback): number {\n    this._refreshCallbacks.push(callback);\n    if (!this._animationFrame) {\n      this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());\n    }\n    return this._animationFrame;\n  }\n\n  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {\n    this._rowCount = rowCount;\n    // Get the min/max row start/end for the arg values\n    rowStart = rowStart !== undefined ? rowStart : 0;\n    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;\n    // Set the properties to the updated values\n    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;\n    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n    if (this._animationFrame) {\n      return;\n    }\n\n    this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());\n  }\n\n  private _innerRefresh(): void {\n    this._animationFrame = undefined;\n\n    // Make sure values are set\n    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {\n      this._runRefreshCallbacks();\n      return;\n    }\n\n    // Clamp values\n    const start = Math.max(this._rowStart, 0);\n    const end = Math.min(this._rowEnd, this._rowCount - 1);\n\n    // Reset debouncer (this happens before render callback as the render could trigger it again)\n    this._rowStart = undefined;\n    this._rowEnd = undefined;\n\n    // Run render callback\n    this._renderCallback(start, end);\n    this._runRefreshCallbacks();\n  }\n\n  private _runRefreshCallbacks(): void {\n    for (const callback of this._refreshCallbacks) {\n      callback(0);\n    }\n    this._refreshCallbacks = [];\n  }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n *\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\nimport { copyHandler, handlePasteEvent, moveTextAreaUnderMouseCursor, paste, rightClickHandler } from 'browser/Clipboard';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { Linkifier } from './Linkifier';\nimport * as Strings from 'browser/LocalizableStrings';\nimport { OscLinkProvider } from 'browser/OscLinkProvider';\nimport { CharacterJoinerHandler, CustomKeyEventHandler, CustomWheelEventHandler, IBrowser, IBufferRange, ICompositionHelper, ILinkifier2, ITerminal, IViewport } from 'browser/Types';\nimport { Viewport } from 'browser/Viewport';\nimport { BufferDecorationRenderer } from 'browser/decorations/BufferDecorationRenderer';\nimport { OverviewRulerRenderer } from 'browser/decorations/OverviewRulerRenderer';\nimport { CompositionHelper } from 'browser/input/CompositionHelper';\nimport { DomRenderer } from 'browser/renderer/dom/DomRenderer';\nimport { IRenderer } from 'browser/renderer/shared/Types';\nimport { CharSizeService } from 'browser/services/CharSizeService';\nimport { CharacterJoinerService } from 'browser/services/CharacterJoinerService';\nimport { CoreBrowserService } from 'browser/services/CoreBrowserService';\nimport { MouseService } from 'browser/services/MouseService';\nimport { RenderService } from 'browser/services/RenderService';\nimport { SelectionService } from 'browser/services/SelectionService';\nimport { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, ILinkProviderService, IMouseService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';\nimport { ThemeService } from 'browser/services/ThemeService';\nimport { channels, color } from 'common/Color';\nimport { CoreTerminal } from 'common/CoreTerminal';\nimport { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';\nimport { MutableDisposable, toDisposable } from 'common/Lifecycle';\nimport * as Browser from 'common/Platform';\nimport { ColorRequestType, CoreMouseAction, CoreMouseButton, CoreMouseEventType, IColorEvent, ITerminalOptions, KeyboardResultType, ScrollSource, SpecialColorIndex } from 'common/Types';\nimport { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { IBuffer } from 'common/buffer/Types';\nimport { C0, C1_ESCAPED } from 'common/data/EscapeSequences';\nimport { evaluateKeyboardEvent } from 'common/input/Keyboard';\nimport { toRgbString } from 'common/input/XParseColor';\nimport { DecorationService } from 'common/services/DecorationService';\nimport { IDecorationService } from 'common/services/Services';\nimport { IDecoration, IDecorationOptions, IDisposable, ILinkProvider, IMarker } from '@xterm/xterm';\nimport { WindowsOptionsReportType } from '../common/InputHandler';\nimport { AccessibilityManager } from './AccessibilityManager';\nimport { LinkProviderService } from 'browser/services/LinkProviderService';\n\nexport class Terminal extends CoreTerminal implements ITerminal {\n  public textarea: HTMLTextAreaElement | undefined;\n  public element: HTMLElement | undefined;\n  public screenElement: HTMLElement | undefined;\n\n  private _document: Document | undefined;\n  private _viewportScrollArea: HTMLElement | undefined;\n  private _viewportElement: HTMLElement | undefined;\n  private _helperContainer: HTMLElement | undefined;\n  private _compositionView: HTMLElement | undefined;\n\n  public linkifier: ILinkifier2 | undefined;\n  private _overviewRulerRenderer: OverviewRulerRenderer | undefined;\n\n  public browser: IBrowser = Browser as any;\n\n  private _customKeyEventHandler: CustomKeyEventHandler | undefined;\n  private _customWheelEventHandler: CustomWheelEventHandler | undefined;\n\n  // Browser services\n  private _decorationService: DecorationService;\n  private _linkProviderService: ILinkProviderService;\n\n  // Optional browser services\n  private _charSizeService: ICharSizeService | undefined;\n  private _coreBrowserService: ICoreBrowserService | undefined;\n  private _mouseService: IMouseService | undefined;\n  private _renderService: IRenderService | undefined;\n  private _themeService: IThemeService | undefined;\n  private _characterJoinerService: ICharacterJoinerService | undefined;\n  private _selectionService: ISelectionService | undefined;\n\n  /**\n   * Records whether the keydown event has already been handled and triggered a data event, if so\n   * the keypress event should not trigger a data event but should still print to the textarea so\n   * screen readers will announce it.\n   */\n  private _keyDownHandled: boolean = false;\n\n  /**\n   * Records whether a keydown event has occured since the last keyup event, i.e. whether a key\n   * is currently \"pressed\".\n   */\n  private _keyDownSeen: boolean = false;\n\n  /**\n   * Records whether the keypress event has already been handled and triggered a data event, if so\n   * the input event should not trigger a data event but should still print to the textarea so\n   * screen readers will announce it.\n   */\n  private _keyPressHandled: boolean = false;\n\n  /**\n   * Records whether there has been a keydown event for a dead key without a corresponding keydown\n   * event for the composed/alternative character. If we cancel the keydown event for the dead key,\n   * no events will be emitted for the final character.\n   */\n  private _unprocessedDeadKey: boolean = false;\n\n  public viewport: IViewport | undefined;\n  private _compositionHelper: ICompositionHelper | undefined;\n  private _accessibilityManager: MutableDisposable<AccessibilityManager> = this.register(new MutableDisposable());\n\n  private readonly _onCursorMove = this.register(new EventEmitter<void>());\n  public readonly onCursorMove = this._onCursorMove.event;\n  private readonly _onKey = this.register(new EventEmitter<{ key: string, domEvent: KeyboardEvent }>());\n  public readonly onKey = this._onKey.event;\n  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRender = this._onRender.event;\n  private readonly _onSelectionChange = this.register(new EventEmitter<void>());\n  public readonly onSelectionChange = this._onSelectionChange.event;\n  private readonly _onTitleChange = this.register(new EventEmitter<string>());\n  public readonly onTitleChange = this._onTitleChange.event;\n  private readonly _onBell = this.register(new EventEmitter<void>());\n  public readonly onBell = this._onBell.event;\n\n  private _onFocus = this.register(new EventEmitter<void>());\n  public get onFocus(): IEvent<void> { return this._onFocus.event; }\n  private _onBlur = this.register(new EventEmitter<void>());\n  public get onBlur(): IEvent<void> { return this._onBlur.event; }\n  private _onA11yCharEmitter = this.register(new EventEmitter<string>());\n  public get onA11yChar(): IEvent<string> { return this._onA11yCharEmitter.event; }\n  private _onA11yTabEmitter = this.register(new EventEmitter<number>());\n  public get onA11yTab(): IEvent<number> { return this._onA11yTabEmitter.event; }\n  private _onWillOpen = this.register(new EventEmitter<HTMLElement>());\n  public get onWillOpen(): IEvent<HTMLElement> { return this._onWillOpen.event; }\n\n  constructor(\n    options: Partial<ITerminalOptions> = {}\n  ) {\n    super(options);\n\n    this._setup();\n\n    this._decorationService = this._instantiationService.createInstance(DecorationService);\n    this._instantiationService.setService(IDecorationService, this._decorationService);\n    this._linkProviderService = this._instantiationService.createInstance(LinkProviderService);\n    this._instantiationService.setService(ILinkProviderService, this._linkProviderService);\n    this._linkProviderService.registerLinkProvider(this._instantiationService.createInstance(OscLinkProvider));\n\n    // Setup InputHandler listeners\n    this.register(this._inputHandler.onRequestBell(() => this._onBell.fire()));\n    this.register(this._inputHandler.onRequestRefreshRows((start, end) => this.refresh(start, end)));\n    this.register(this._inputHandler.onRequestSendFocus(() => this._reportFocus()));\n    this.register(this._inputHandler.onRequestReset(() => this.reset()));\n    this.register(this._inputHandler.onRequestWindowsOptionsReport(type => this._reportWindowsOptions(type)));\n    this.register(this._inputHandler.onColor((event) => this._handleColorEvent(event)));\n    this.register(forwardEvent(this._inputHandler.onCursorMove, this._onCursorMove));\n    this.register(forwardEvent(this._inputHandler.onTitleChange, this._onTitleChange));\n    this.register(forwardEvent(this._inputHandler.onA11yChar, this._onA11yCharEmitter));\n    this.register(forwardEvent(this._inputHandler.onA11yTab, this._onA11yTabEmitter));\n\n    // Setup listeners\n    this.register(this._bufferService.onResize(e => this._afterResize(e.cols, e.rows)));\n\n    this.register(toDisposable(() => {\n      this._customKeyEventHandler = undefined;\n      this.element?.parentNode?.removeChild(this.element);\n    }));\n  }\n\n  /**\n   * Handle color event from inputhandler for OSC 4|104 | 10|110 | 11|111 | 12|112.\n   * An event from OSC 4|104 may contain multiple set or report requests, and multiple\n   * or none restore requests (resetting all),\n   * while an event from OSC 10|110 | 11|111 | 12|112 always contains a single request.\n   */\n  private _handleColorEvent(event: IColorEvent): void {\n    if (!this._themeService) return;\n    for (const req of event) {\n      let acc: 'foreground' | 'background' | 'cursor' | 'ansi';\n      let ident = '';\n      switch (req.index) {\n        case SpecialColorIndex.FOREGROUND: // OSC 10 | 110\n          acc = 'foreground';\n          ident = '10';\n          break;\n        case SpecialColorIndex.BACKGROUND: // OSC 11 | 111\n          acc = 'background';\n          ident = '11';\n          break;\n        case SpecialColorIndex.CURSOR: // OSC 12 | 112\n          acc = 'cursor';\n          ident = '12';\n          break;\n        default: // OSC 4 | 104\n          // we can skip the [0..255] range check here (already done in inputhandler)\n          acc = 'ansi';\n          ident = '4;' + req.index;\n      }\n      switch (req.type) {\n        case ColorRequestType.REPORT:\n          const colorRgb = color.toColorRGB(acc === 'ansi'\n            ? this._themeService.colors.ansi[req.index]\n            : this._themeService.colors[acc]);\n          this.coreService.triggerDataEvent(`${C0.ESC}]${ident};${toRgbString(colorRgb)}${C1_ESCAPED.ST}`);\n          break;\n        case ColorRequestType.SET:\n          if (acc === 'ansi') {\n            this._themeService.modifyColors(colors => colors.ansi[req.index] = channels.toColor(...req.color));\n          } else {\n            const narrowedAcc = acc;\n            this._themeService.modifyColors(colors => colors[narrowedAcc] = channels.toColor(...req.color));\n          }\n          break;\n        case ColorRequestType.RESTORE:\n          this._themeService.restoreColor(req.index);\n          break;\n      }\n    }\n  }\n\n  protected _setup(): void {\n    super._setup();\n\n    this._customKeyEventHandler = undefined;\n  }\n\n  /**\n   * Convenience property to active buffer.\n   */\n  public get buffer(): IBuffer {\n    return this.buffers.active;\n  }\n\n  /**\n   * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n   */\n  public focus(): void {\n    if (this.textarea) {\n      this.textarea.focus({ preventScroll: true });\n    }\n  }\n\n  private _handleScreenReaderModeOptionChange(value: boolean): void {\n    if (value) {\n      if (!this._accessibilityManager.value && this._renderService) {\n        this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);\n      }\n    } else {\n      this._accessibilityManager.clear();\n    }\n  }\n\n  /**\n   * Binds the desired focus behavior on a given terminal object.\n   */\n  private _handleTextAreaFocus(ev: FocusEvent): void {\n    if (this.coreService.decPrivateModes.sendFocus) {\n      this.coreService.triggerDataEvent(C0.ESC + '[I');\n    }\n    this.element!.classList.add('focus');\n    this._showCursor();\n    this._onFocus.fire();\n  }\n\n  /**\n   * Blur the terminal, calling the blur function on the terminal's underlying\n   * textarea.\n   */\n  public blur(): void {\n    return this.textarea?.blur();\n  }\n\n  /**\n   * Binds the desired blur behavior on a given terminal object.\n   */\n  private _handleTextAreaBlur(): void {\n    // Text can safely be removed on blur. Doing it earlier could interfere with\n    // screen readers reading it out.\n    this.textarea!.value = '';\n    this.refresh(this.buffer.y, this.buffer.y);\n    if (this.coreService.decPrivateModes.sendFocus) {\n      this.coreService.triggerDataEvent(C0.ESC + '[O');\n    }\n    this.element!.classList.remove('focus');\n    this._onBlur.fire();\n  }\n\n  private _syncTextArea(): void {\n    if (!this.textarea || !this.buffer.isCursorInViewport || this._compositionHelper!.isComposing || !this._renderService) {\n      return;\n    }\n    const cursorY = this.buffer.ybase + this.buffer.y;\n    const bufferLine = this.buffer.lines.get(cursorY);\n    if (!bufferLine) {\n      return;\n    }\n    const cursorX = Math.min(this.buffer.x, this.cols - 1);\n    const cellHeight = this._renderService.dimensions.css.cell.height;\n    const width = bufferLine.getWidth(cursorX);\n    const cellWidth = this._renderService.dimensions.css.cell.width * width;\n    const cursorTop = this.buffer.y * this._renderService.dimensions.css.cell.height;\n    const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;\n\n    // Sync the textarea to the exact position of the composition view so the IME knows where the\n    // text is.\n    this.textarea.style.left = cursorLeft + 'px';\n    this.textarea.style.top = cursorTop + 'px';\n    this.textarea.style.width = cellWidth + 'px';\n    this.textarea.style.height = cellHeight + 'px';\n    this.textarea.style.lineHeight = cellHeight + 'px';\n    this.textarea.style.zIndex = '-5';\n  }\n\n  /**\n   * Initialize default behavior\n   */\n  private _initGlobal(): void {\n    this._bindKeys();\n\n    // Bind clipboard functionality\n    this.register(addDisposableDomListener(this.element!, 'copy', (event: ClipboardEvent) => {\n      // If mouse events are active it means the selection manager is disabled and\n      // copy should be handled by the host program.\n      if (!this.hasSelection()) {\n        return;\n      }\n      copyHandler(event, this._selectionService!);\n    }));\n    const pasteHandlerWrapper = (event: ClipboardEvent): void => handlePasteEvent(event, this.textarea!, this.coreService, this.optionsService);\n    this.register(addDisposableDomListener(this.textarea!, 'paste', pasteHandlerWrapper));\n    this.register(addDisposableDomListener(this.element!, 'paste', pasteHandlerWrapper));\n\n    // Handle right click context menus\n    if (Browser.isFirefox) {\n      // Firefox doesn't appear to fire the contextmenu event on right click\n      this.register(addDisposableDomListener(this.element!, 'mousedown', (event: MouseEvent) => {\n        if (event.button === 2) {\n          rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);\n        }\n      }));\n    } else {\n      this.register(addDisposableDomListener(this.element!, 'contextmenu', (event: MouseEvent) => {\n        rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);\n      }));\n    }\n\n    // Move the textarea under the cursor when middle clicking on Linux to ensure\n    // middle click to paste selection works. This only appears to work in Chrome\n    // at the time is writing.\n    if (Browser.isLinux) {\n      // Use auxclick event over mousedown the latter doesn't seem to work. Note\n      // that the regular click event doesn't fire for the middle mouse button.\n      this.register(addDisposableDomListener(this.element!, 'auxclick', (event: MouseEvent) => {\n        if (event.button === 1) {\n          moveTextAreaUnderMouseCursor(event, this.textarea!, this.screenElement!);\n        }\n      }));\n    }\n  }\n\n  /**\n   * Apply key handling to the terminal\n   */\n  private _bindKeys(): void {\n    this.register(addDisposableDomListener(this.textarea!, 'keyup', (ev: KeyboardEvent) => this._keyUp(ev), true));\n    this.register(addDisposableDomListener(this.textarea!, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));\n    this.register(addDisposableDomListener(this.textarea!, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));\n    this.register(addDisposableDomListener(this.textarea!, 'compositionstart', () => this._compositionHelper!.compositionstart()));\n    this.register(addDisposableDomListener(this.textarea!, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper!.compositionupdate(e)));\n    this.register(addDisposableDomListener(this.textarea!, 'compositionend', () => this._compositionHelper!.compositionend()));\n    this.register(addDisposableDomListener(this.textarea!, 'input', (ev: InputEvent) => this._inputEvent(ev), true));\n    this.register(this.onRender(() => this._compositionHelper!.updateCompositionElements()));\n  }\n\n  /**\n   * Opens the terminal within an element.\n   *\n   * @param parent The element to create the terminal within.\n   */\n  public open(parent: HTMLElement): void {\n    if (!parent) {\n      throw new Error('Terminal requires a parent element.');\n    }\n\n    if (!parent.isConnected) {\n      this._logService.debug('Terminal.open was called on an element that was not attached to the DOM');\n    }\n\n    // If the terminal is already opened\n    if (this.element?.ownerDocument.defaultView && this._coreBrowserService) {\n      // Adjust the window if needed\n      if (this.element.ownerDocument.defaultView !== this._coreBrowserService.window) {\n        this._coreBrowserService.window = this.element.ownerDocument.defaultView;\n      }\n      return;\n    }\n\n    this._document = parent.ownerDocument;\n    if (this.options.documentOverride && this.options.documentOverride instanceof Document) {\n      this._document = this.optionsService.rawOptions.documentOverride as Document;\n    }\n\n    // Create main element container\n    this.element = this._document.createElement('div');\n    this.element.dir = 'ltr';   // xterm.css assumes LTR\n    this.element.classList.add('terminal');\n    this.element.classList.add('xterm');\n    parent.appendChild(this.element);\n\n    // Performance: Use a document fragment to build the terminal\n    // viewport and helper elements detached from the DOM\n    const fragment = this._document.createDocumentFragment();\n    this._viewportElement = this._document.createElement('div');\n    this._viewportElement.classList.add('xterm-viewport');\n    fragment.appendChild(this._viewportElement);\n\n    this._viewportScrollArea = this._document.createElement('div');\n    this._viewportScrollArea.classList.add('xterm-scroll-area');\n    this._viewportElement.appendChild(this._viewportScrollArea);\n\n    this.screenElement = this._document.createElement('div');\n    this.screenElement.classList.add('xterm-screen');\n    this.register(addDisposableDomListener(this.screenElement, 'mousemove', (ev: MouseEvent) => this.updateCursorStyle(ev)));\n    // Create the container that will hold helpers like the textarea for\n    // capturing DOM Events. Then produce the helpers.\n    this._helperContainer = this._document.createElement('div');\n    this._helperContainer.classList.add('xterm-helpers');\n    this.screenElement.appendChild(this._helperContainer);\n    fragment.appendChild(this.screenElement);\n\n    this.textarea = this._document.createElement('textarea');\n    this.textarea.classList.add('xterm-helper-textarea');\n    this.textarea.setAttribute('aria-label', Strings.promptLabel);\n    if (!Browser.isChromeOS) {\n      // ChromeVox on ChromeOS does not like this. See\n      // https://issuetracker.google.com/issues/260170397\n      this.textarea.setAttribute('aria-multiline', 'false');\n    }\n    this.textarea.setAttribute('autocorrect', 'off');\n    this.textarea.setAttribute('autocapitalize', 'off');\n    this.textarea.setAttribute('spellcheck', 'false');\n    this.textarea.tabIndex = 0;\n\n    // Register the core browser service before the generic textarea handlers are registered so it\n    // handles them first. Otherwise the renderers may use the wrong focus state.\n    this._coreBrowserService = this.register(this._instantiationService.createInstance(CoreBrowserService,\n      this.textarea,\n      parent.ownerDocument.defaultView ?? window,\n      // Force unsafe null in node.js environment for tests\n      this._document ?? (typeof window !== 'undefined') ? window.document : null as any\n    ));\n    this._instantiationService.setService(ICoreBrowserService, this._coreBrowserService);\n\n    this.register(addDisposableDomListener(this.textarea, 'focus', (ev: FocusEvent) => this._handleTextAreaFocus(ev)));\n    this.register(addDisposableDomListener(this.textarea, 'blur', () => this._handleTextAreaBlur()));\n    this._helperContainer.appendChild(this.textarea);\n\n    this._charSizeService = this._instantiationService.createInstance(CharSizeService, this._document, this._helperContainer);\n    this._instantiationService.setService(ICharSizeService, this._charSizeService);\n\n    this._themeService = this._instantiationService.createInstance(ThemeService);\n    this._instantiationService.setService(IThemeService, this._themeService);\n\n    this._characterJoinerService = this._instantiationService.createInstance(CharacterJoinerService);\n    this._instantiationService.setService(ICharacterJoinerService, this._characterJoinerService);\n\n    this._renderService = this.register(this._instantiationService.createInstance(RenderService, this.rows, this.screenElement));\n    this._instantiationService.setService(IRenderService, this._renderService);\n    this.register(this._renderService.onRenderedViewportChange(e => this._onRender.fire(e)));\n    this.onResize(e => this._renderService!.resize(e.cols, e.rows));\n\n    this._compositionView = this._document.createElement('div');\n    this._compositionView.classList.add('composition-view');\n    this._compositionHelper = this._instantiationService.createInstance(CompositionHelper, this.textarea, this._compositionView);\n    this._helperContainer.appendChild(this._compositionView);\n\n    this._mouseService = this._instantiationService.createInstance(MouseService);\n    this._instantiationService.setService(IMouseService, this._mouseService);\n\n    this.linkifier = this.register(this._instantiationService.createInstance(Linkifier, this.screenElement));\n\n    // Performance: Add viewport and helper elements from the fragment\n    this.element.appendChild(fragment);\n\n    try {\n      this._onWillOpen.fire(this.element);\n    }\n    catch { /* fails to load addon for some reason */ }\n    if (!this._renderService.hasRenderer()) {\n      this._renderService.setRenderer(this._createRenderer());\n    }\n\n    this.viewport = this._instantiationService.createInstance(Viewport, this._viewportElement, this._viewportScrollArea);\n    this.viewport.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent, ScrollSource.VIEWPORT)),\n    this.register(this._inputHandler.onRequestSyncScrollBar(() => this.viewport!.syncScrollArea()));\n    this.register(this.viewport);\n\n    this.register(this.onCursorMove(() => {\n      this._renderService!.handleCursorMove();\n      this._syncTextArea();\n    }));\n    this.register(this.onResize(() => this._renderService!.handleResize(this.cols, this.rows)));\n    this.register(this.onBlur(() => this._renderService!.handleBlur()));\n    this.register(this.onFocus(() => this._renderService!.handleFocus()));\n    this.register(this._renderService.onDimensionsChange(() => this.viewport!.syncScrollArea()));\n\n    this._selectionService = this.register(this._instantiationService.createInstance(SelectionService,\n      this.element,\n      this.screenElement,\n      this.linkifier\n    ));\n    this._instantiationService.setService(ISelectionService, this._selectionService);\n    this.register(this._selectionService.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent)));\n    this.register(this._selectionService.onSelectionChange(() => this._onSelectionChange.fire()));\n    this.register(this._selectionService.onRequestRedraw(e => this._renderService!.handleSelectionChanged(e.start, e.end, e.columnSelectMode)));\n    this.register(this._selectionService.onLinuxMouseSelection(text => {\n      // If there's a new selection, put it into the textarea, focus and select it\n      // in order to register it as a selection on the OS. This event is fired\n      // only on Linux to enable middle click to paste selection.\n      this.textarea!.value = text;\n      this.textarea!.focus();\n      this.textarea!.select();\n    }));\n    this.register(this._onScroll.event(ev => {\n      this.viewport!.syncScrollArea();\n      this._selectionService!.refresh();\n    }));\n    this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this._selectionService!.refresh()));\n\n    this.register(this._instantiationService.createInstance(BufferDecorationRenderer, this.screenElement));\n    this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.handleMouseDown(e)));\n\n    // apply mouse event classes set by escape codes before terminal was attached\n    if (this.coreMouseService.areMouseEventsActive) {\n      this._selectionService.disable();\n      this.element.classList.add('enable-mouse-events');\n    } else {\n      this._selectionService.enable();\n    }\n\n    if (this.options.screenReaderMode) {\n      // Note that this must be done *after* the renderer is created in order to\n      // ensure the correct order of the dprchange event\n      this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);\n    }\n    this.register(this.optionsService.onSpecificOptionChange('screenReaderMode', e => this._handleScreenReaderModeOptionChange(e)));\n\n    if (this.options.overviewRulerWidth) {\n      this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));\n    }\n    this.optionsService.onSpecificOptionChange('overviewRulerWidth', value => {\n      if (!this._overviewRulerRenderer && value && this._viewportElement && this.screenElement) {\n        this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));\n      }\n    });\n    // Measure the character size\n    this._charSizeService.measure();\n\n    // Setup loop that draws to screen\n    this.refresh(0, this.rows - 1);\n\n    // Initialize global actions that need to be taken on the document.\n    this._initGlobal();\n\n    // Listen for mouse events and translate\n    // them into terminal mouse protocols.\n    this.bindMouse();\n  }\n\n  private _createRenderer(): IRenderer {\n    return this._instantiationService.createInstance(DomRenderer, this, this._document!, this.element!, this.screenElement!, this._viewportElement!, this._helperContainer!, this.linkifier!);\n  }\n\n  /**\n   * Bind certain mouse events to the terminal.\n   * By default only 3 button + wheel up/down is ativated. For higher buttons\n   * no mouse report will be created. Typically the standard actions will be active.\n   *\n   * There are several reasons not to enable support for higher buttons/wheel:\n   * - Button 4 and 5 are typically used for history back and forward navigation,\n   *   there is no straight forward way to supress/intercept those standard actions.\n   * - Support for higher buttons does not work in some platform/browser combinations.\n   * - Left/right wheel was not tested.\n   * - Emulators vary in mouse button support, typically only 3 buttons and\n   *   wheel up/down work reliable.\n   *\n   * TODO: Move mouse event code into its own file.\n   */\n  public bindMouse(): void {\n    const self = this;\n    const el = this.element!;\n\n    // send event to CoreMouseService\n    function sendEvent(ev: MouseEvent | WheelEvent): boolean {\n      // get mouse coordinates\n      const pos = self._mouseService!.getMouseReportCoords(ev, self.screenElement!);\n      if (!pos) {\n        return false;\n      }\n\n      let but: CoreMouseButton;\n      let action: CoreMouseAction | undefined;\n      switch ((ev as any).overrideType || ev.type) {\n        case 'mousemove':\n          action = CoreMouseAction.MOVE;\n          if (ev.buttons === undefined) {\n            // buttons is not supported on macOS, try to get a value from button instead\n            but = CoreMouseButton.NONE;\n            if (ev.button !== undefined) {\n              but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n            }\n          } else {\n            // according to MDN buttons only reports up to button 5 (AUX2)\n            but = ev.buttons & 1 ? CoreMouseButton.LEFT :\n              ev.buttons & 4 ? CoreMouseButton.MIDDLE :\n                ev.buttons & 2 ? CoreMouseButton.RIGHT :\n                  CoreMouseButton.NONE; // fallback to NONE\n          }\n          break;\n        case 'mouseup':\n          action = CoreMouseAction.UP;\n          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n          break;\n        case 'mousedown':\n          action = CoreMouseAction.DOWN;\n          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n          break;\n        case 'wheel':\n          if (self._customWheelEventHandler && self._customWheelEventHandler(ev as WheelEvent) === false) {\n            return false;\n          }\n          const amount = self.viewport!.getLinesScrolled(ev as WheelEvent);\n\n          if (amount === 0) {\n            return false;\n          }\n\n          action = (ev as WheelEvent).deltaY < 0 ? CoreMouseAction.UP : CoreMouseAction.DOWN;\n          but = CoreMouseButton.WHEEL;\n          break;\n        default:\n          // dont handle other event types by accident\n          return false;\n      }\n\n      // exit if we cannot determine valid button/action values\n      // do nothing for higher buttons than wheel\n      if (action === undefined || but === undefined || but > CoreMouseButton.WHEEL) {\n        return false;\n      }\n\n      return self.coreMouseService.triggerMouseEvent({\n        col: pos.col,\n        row: pos.row,\n        x: pos.x,\n        y: pos.y,\n        button: but,\n        action,\n        ctrl: ev.ctrlKey,\n        alt: ev.altKey,\n        shift: ev.shiftKey\n      });\n    }\n\n    /**\n     * Event listener state handling.\n     * We listen to the onProtocolChange event of CoreMouseService and put\n     * requested listeners in `requestedEvents`. With this the listeners\n     * have all bits to do the event listener juggling.\n     * Note: 'mousedown' currently is \"always on\" and not managed\n     * by onProtocolChange.\n     */\n    const requestedEvents: { [key: string]: ((ev: Event) => void) | null } = {\n      mouseup: null,\n      wheel: null,\n      mousedrag: null,\n      mousemove: null\n    };\n    const eventListeners: { [key: string]: (ev: any) => void | boolean } = {\n      mouseup: (ev: MouseEvent) => {\n        sendEvent(ev);\n        if (!ev.buttons) {\n          // if no other button is held remove global handlers\n          this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);\n          if (requestedEvents.mousedrag) {\n            this._document!.removeEventListener('mousemove', requestedEvents.mousedrag);\n          }\n        }\n        return this.cancel(ev);\n      },\n      wheel: (ev: WheelEvent) => {\n        sendEvent(ev);\n        return this.cancel(ev, true);\n      },\n      mousedrag: (ev: MouseEvent) => {\n        // deal only with move while a button is held\n        if (ev.buttons) {\n          sendEvent(ev);\n        }\n      },\n      mousemove: (ev: MouseEvent) => {\n        // deal only with move without any button\n        if (!ev.buttons) {\n          sendEvent(ev);\n        }\n      }\n    };\n    this.register(this.coreMouseService.onProtocolChange(events => {\n      // apply global changes on events\n      if (events) {\n        if (this.optionsService.rawOptions.logLevel === 'debug') {\n          this._logService.debug('Binding to mouse events:', this.coreMouseService.explainEvents(events));\n        }\n        this.element!.classList.add('enable-mouse-events');\n        this._selectionService!.disable();\n      } else {\n        this._logService.debug('Unbinding from mouse events.');\n        this.element!.classList.remove('enable-mouse-events');\n        this._selectionService!.enable();\n      }\n\n      // add/remove handlers from requestedEvents\n\n      if (!(events & CoreMouseEventType.MOVE)) {\n        el.removeEventListener('mousemove', requestedEvents.mousemove!);\n        requestedEvents.mousemove = null;\n      } else if (!requestedEvents.mousemove) {\n        el.addEventListener('mousemove', eventListeners.mousemove);\n        requestedEvents.mousemove = eventListeners.mousemove;\n      }\n\n      if (!(events & CoreMouseEventType.WHEEL)) {\n        el.removeEventListener('wheel', requestedEvents.wheel!);\n        requestedEvents.wheel = null;\n      } else if (!requestedEvents.wheel) {\n        el.addEventListener('wheel', eventListeners.wheel, { passive: false });\n        requestedEvents.wheel = eventListeners.wheel;\n      }\n\n      if (!(events & CoreMouseEventType.UP)) {\n        this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);\n        requestedEvents.mouseup = null;\n      } else if (!requestedEvents.mouseup) {\n        requestedEvents.mouseup = eventListeners.mouseup;\n      }\n\n      if (!(events & CoreMouseEventType.DRAG)) {\n        this._document!.removeEventListener('mousemove', requestedEvents.mousedrag!);\n        requestedEvents.mousedrag = null;\n      } else if (!requestedEvents.mousedrag) {\n        requestedEvents.mousedrag = eventListeners.mousedrag;\n      }\n    }));\n    // force initial onProtocolChange so we dont miss early mouse requests\n    this.coreMouseService.activeProtocol = this.coreMouseService.activeProtocol;\n\n    /**\n     * \"Always on\" event listeners.\n     */\n    this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {\n      ev.preventDefault();\n      this.focus();\n\n      // Don't send the mouse button to the pty if mouse events are disabled or\n      // if the selection manager is having selection forced (ie. a modifier is\n      // held).\n      if (!this.coreMouseService.areMouseEventsActive || this._selectionService!.shouldForceSelection(ev)) {\n        return;\n      }\n\n      sendEvent(ev);\n\n      // Register additional global handlers which should keep reporting outside\n      // of the terminal element.\n      // Note: Other emulators also do this for 'mousedown' while a button\n      // is held, we currently limit 'mousedown' to the terminal only.\n      if (requestedEvents.mouseup) {\n        this._document!.addEventListener('mouseup', requestedEvents.mouseup);\n      }\n      if (requestedEvents.mousedrag) {\n        this._document!.addEventListener('mousemove', requestedEvents.mousedrag);\n      }\n\n      return this.cancel(ev);\n    }));\n\n    this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n      // do nothing, if app side handles wheel itself\n      if (requestedEvents.wheel) return;\n\n      if (this._customWheelEventHandler && this._customWheelEventHandler(ev) === false) {\n        return false;\n      }\n\n      if (!this.buffer.hasScrollback) {\n        // Convert wheel events into up/down events when the buffer does not have scrollback, this\n        // enables scrolling in apps hosted in the alt buffer such as vim or tmux.\n        const amount = this.viewport!.getLinesScrolled(ev);\n\n        // Do nothing if there's no vertical scroll\n        if (amount === 0) {\n          return;\n        }\n\n        // Construct and send sequences\n        const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');\n        let data = '';\n        for (let i = 0; i < Math.abs(amount); i++) {\n          data += sequence;\n        }\n        this.coreService.triggerDataEvent(data, true);\n        return this.cancel(ev, true);\n      }\n\n      // normal viewport scrolling\n      // conditionally stop event, if the viewport still had rows to scroll within\n      if (this.viewport!.handleWheel(ev)) {\n        return this.cancel(ev);\n      }\n    }, { passive: false }));\n\n    this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {\n      if (this.coreMouseService.areMouseEventsActive) return;\n      this.viewport!.handleTouchStart(ev);\n      return this.cancel(ev);\n    }, { passive: true }));\n\n    this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {\n      if (this.coreMouseService.areMouseEventsActive) return;\n      if (!this.viewport!.handleTouchMove(ev)) {\n        return this.cancel(ev);\n      }\n    }, { passive: false }));\n  }\n\n\n  /**\n   * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n   * opportunity.\n   * @param start The row to start from (between 0 and this.rows - 1).\n   * @param end The row to end at (between start and this.rows - 1).\n   */\n  public refresh(start: number, end: number): void {\n    this._renderService?.refreshRows(start, end);\n  }\n\n  /**\n   * Change the cursor style for different selection modes\n   */\n  public updateCursorStyle(ev: KeyboardEvent | MouseEvent): void {\n    if (this._selectionService?.shouldColumnSelect(ev)) {\n      this.element!.classList.add('column-select');\n    } else {\n      this.element!.classList.remove('column-select');\n    }\n  }\n\n  /**\n   * Display the cursor element\n   */\n  private _showCursor(): void {\n    if (!this.coreService.isCursorInitialized) {\n      this.coreService.isCursorInitialized = true;\n      this.refresh(this.buffer.y, this.buffer.y);\n    }\n  }\n\n  public scrollLines(disp: number, suppressScrollEvent?: boolean, source = ScrollSource.TERMINAL): void {\n    if (source === ScrollSource.VIEWPORT) {\n      super.scrollLines(disp, suppressScrollEvent, source);\n      this.refresh(0, this.rows - 1);\n    } else {\n      this.viewport?.scrollLines(disp);\n    }\n  }\n\n  public paste(data: string): void {\n    paste(data, this.textarea!, this.coreService, this.optionsService);\n  }\n\n  public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {\n    this._customKeyEventHandler = customKeyEventHandler;\n  }\n\n  public attachCustomWheelEventHandler(customWheelEventHandler: CustomWheelEventHandler): void {\n    this._customWheelEventHandler = customWheelEventHandler;\n  }\n\n  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {\n    return this._linkProviderService.registerLinkProvider(linkProvider);\n  }\n\n  public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n    if (!this._characterJoinerService) {\n      throw new Error('Terminal must be opened first');\n    }\n    const joinerId = this._characterJoinerService.register(handler);\n    this.refresh(0, this.rows - 1);\n    return joinerId;\n  }\n\n  public deregisterCharacterJoiner(joinerId: number): void {\n    if (!this._characterJoinerService) {\n      throw new Error('Terminal must be opened first');\n    }\n    if (this._characterJoinerService.deregister(joinerId)) {\n      this.refresh(0, this.rows - 1);\n    }\n  }\n\n  public get markers(): IMarker[] {\n    return this.buffer.markers;\n  }\n\n  public registerMarker(cursorYOffset: number): IMarker {\n    return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);\n  }\n\n  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {\n    return this._decorationService.registerDecoration(decorationOptions);\n  }\n\n  /**\n   * Gets whether the terminal has an active selection.\n   */\n  public hasSelection(): boolean {\n    return this._selectionService ? this._selectionService.hasSelection : false;\n  }\n\n  /**\n   * Selects text within the terminal.\n   * @param column The column the selection starts at..\n   * @param row The row the selection starts at.\n   * @param length The length of the selection.\n   */\n  public select(column: number, row: number, length: number): void {\n    this._selectionService!.setSelection(column, row, length);\n  }\n\n  /**\n   * Gets the terminal's current selection, this is useful for implementing copy\n   * behavior outside of xterm.js.\n   */\n  public getSelection(): string {\n    return this._selectionService ? this._selectionService.selectionText : '';\n  }\n\n  public getSelectionPosition(): IBufferRange | undefined {\n    if (!this._selectionService || !this._selectionService.hasSelection) {\n      return undefined;\n    }\n\n    return {\n      start: {\n        x: this._selectionService.selectionStart![0],\n        y: this._selectionService.selectionStart![1]\n      },\n      end: {\n        x: this._selectionService.selectionEnd![0],\n        y: this._selectionService.selectionEnd![1]\n      }\n    };\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._selectionService?.clearSelection();\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._selectionService?.selectAll();\n  }\n\n  public selectLines(start: number, end: number): void {\n    this._selectionService?.selectLines(start, end);\n  }\n\n  /**\n   * Handle a keydown [KeyboardEvent].\n   *\n   * [KeyboardEvent]: https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n   */\n  protected _keyDown(event: KeyboardEvent): boolean | undefined {\n    this._keyDownHandled = false;\n    this._keyDownSeen = true;\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {\n      return false;\n    }\n\n    // Ignore composing with Alt key on Mac when macOptionIsMeta is enabled\n    const shouldIgnoreComposition = this.browser.isMac && this.options.macOptionIsMeta && event.altKey;\n\n    if (!shouldIgnoreComposition && !this._compositionHelper!.keydown(event)) {\n      if (this.options.scrollOnUserInput && this.buffer.ybase !== this.buffer.ydisp) {\n        this.scrollToBottom();\n      }\n      return false;\n    }\n\n    if (!shouldIgnoreComposition && (event.key === 'Dead' || event.key === 'AltGraph')) {\n      this._unprocessedDeadKey = true;\n    }\n\n    const result = evaluateKeyboardEvent(event, this.coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);\n\n    this.updateCursorStyle(event);\n\n    if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {\n      const scrollCount = this.rows - 1;\n      this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);\n      return this.cancel(event, true);\n    }\n\n    if (result.type === KeyboardResultType.SELECT_ALL) {\n      this.selectAll();\n    }\n\n    if (this._isThirdLevelShift(this.browser, event)) {\n      return true;\n    }\n\n    if (result.cancel) {\n      // The event is canceled at the end already, is this necessary?\n      this.cancel(event, true);\n    }\n\n    if (!result.key) {\n      return true;\n    }\n\n    // HACK: Process A-Z in the keypress event to fix an issue with macOS IMEs where lower case\n    // letters cannot be input while caps lock is on.\n    if (event.key && !event.ctrlKey && !event.altKey && !event.metaKey && event.key.length === 1) {\n      if (event.key.charCodeAt(0) >= 65 && event.key.charCodeAt(0) <= 90) {\n        return true;\n      }\n    }\n\n    if (this._unprocessedDeadKey) {\n      this._unprocessedDeadKey = false;\n      return true;\n    }\n\n    // If ctrl+c or enter is being sent, clear out the textarea. This is done so that screen readers\n    // will announce deleted characters. This will not work 100% of the time but it should cover\n    // most scenarios.\n    if (result.key === C0.ETX || result.key === C0.CR) {\n      this.textarea!.value = '';\n    }\n\n    this._onKey.fire({ key: result.key, domEvent: event });\n    this._showCursor();\n    this.coreService.triggerDataEvent(result.key, true);\n\n    // Cancel events when not in screen reader mode so events don't get bubbled up and handled by\n    // other listeners. When screen reader mode is enabled, we don't cancel them (unless ctrl or alt\n    // is also depressed) so that the cursor textarea can be updated, which triggers the screen\n    // reader to read it.\n    if (!this.optionsService.rawOptions.screenReaderMode || event.altKey || event.ctrlKey) {\n      return this.cancel(event, true);\n    }\n\n    this._keyDownHandled = true;\n  }\n\n  private _isThirdLevelShift(browser: IBrowser, ev: KeyboardEvent): boolean {\n    const thirdLevelKey =\n      (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n      (browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey) ||\n      (browser.isWindows && ev.getModifierState('AltGraph'));\n\n    if (ev.type === 'keypress') {\n      return thirdLevelKey;\n    }\n\n    // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n  }\n\n  protected _keyUp(ev: KeyboardEvent): void {\n    this._keyDownSeen = false;\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n      return;\n    }\n\n    if (!wasModifierKeyOnlyEvent(ev)) {\n      this.focus();\n    }\n\n    this.updateCursorStyle(ev);\n    this._keyPressHandled = false;\n  }\n\n  /**\n   * Handle a keypress event.\n   * Key Resources:\n   *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n   * @param ev The keypress event to be handled.\n   */\n  protected _keyPress(ev: KeyboardEvent): boolean {\n    let key;\n\n    this._keyPressHandled = false;\n\n    if (this._keyDownHandled) {\n      return false;\n    }\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n      return false;\n    }\n\n    this.cancel(ev);\n\n    if (ev.charCode) {\n      key = ev.charCode;\n    } else if (ev.which === null || ev.which === undefined) {\n      key = ev.keyCode;\n    } else if (ev.which !== 0 && ev.charCode !== 0) {\n      key = ev.which;\n    } else {\n      return false;\n    }\n\n    if (!key || (\n      (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)\n    )) {\n      return false;\n    }\n\n    key = String.fromCharCode(key);\n\n    this._onKey.fire({ key, domEvent: ev });\n    this._showCursor();\n    this.coreService.triggerDataEvent(key, true);\n\n    this._keyPressHandled = true;\n\n    // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow\n    // keys could be ignored\n    this._unprocessedDeadKey = false;\n\n    return true;\n  }\n\n  /**\n   * Handle an input event.\n   * Key Resources:\n   *   - https://developer.mozilla.org/en-US/docs/Web/API/InputEvent\n   * @param ev The input event to be handled.\n   */\n  protected _inputEvent(ev: InputEvent): boolean {\n    // Only support emoji IMEs when screen reader mode is disabled as the event must bubble up to\n    // support reading out character input which can doubling up input characters\n    // Based on these event traces: https://github.com/xtermjs/xterm.js/issues/3679\n    if (ev.data && ev.inputType === 'insertText' && (!ev.composed || !this._keyDownSeen) && !this.optionsService.rawOptions.screenReaderMode) {\n      if (this._keyPressHandled) {\n        return false;\n      }\n\n      // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow\n      // keys could be ignored\n      this._unprocessedDeadKey = false;\n\n      const text = ev.data;\n      this.coreService.triggerDataEvent(text, true);\n\n      this.cancel(ev);\n      return true;\n    }\n\n    return false;\n  }\n\n  /**\n   * Resizes the terminal.\n   *\n   * @param x The number of columns to resize to.\n   * @param y The number of rows to resize to.\n   */\n  public resize(x: number, y: number): void {\n    if (x === this.cols && y === this.rows) {\n      // Check if we still need to measure the char size (fixes #785).\n      if (this._charSizeService && !this._charSizeService.hasValidSize) {\n        this._charSizeService.measure();\n      }\n      return;\n    }\n\n    super.resize(x, y);\n  }\n\n  private _afterResize(x: number, y: number): void {\n    this._charSizeService?.measure();\n\n    // Sync the scroll area to make sure scroll events don't fire and scroll the viewport to an\n    // invalid location\n    this.viewport?.syncScrollArea(true);\n  }\n\n  /**\n   * Clear the entire buffer, making the prompt line the new first line.\n   */\n  public clear(): void {\n    if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n      // Don't clear if it's already clear\n      return;\n    }\n    this.buffer.clearAllMarkers();\n    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);\n    this.buffer.lines.length = 1;\n    this.buffer.ydisp = 0;\n    this.buffer.ybase = 0;\n    this.buffer.y = 0;\n    for (let i = 1; i < this.rows; i++) {\n      this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));\n    }\n    // IMPORTANT: Fire scroll event before viewport is reset. This ensures embedders get the clear\n    // scroll event and that the viewport's state will be valid for immediate writes.\n    this._onScroll.fire({ position: this.buffer.ydisp, source: ScrollSource.TERMINAL });\n    this.viewport?.reset();\n    this.refresh(0, this.rows - 1);\n  }\n\n  /**\n   * Reset terminal.\n   * Note: Calling this directly from JS is synchronous but does not clear\n   * input buffers and does not reset the parser, thus the terminal will\n   * continue to apply pending input data.\n   * If you need in band reset (synchronous with input data) consider\n   * using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).\n   */\n  public reset(): void {\n    /**\n     * Since _setup handles a full terminal creation, we have to carry forward\n     * a few things that should not reset.\n     */\n    this.options.rows = this.rows;\n    this.options.cols = this.cols;\n    const customKeyEventHandler = this._customKeyEventHandler;\n\n    this._setup();\n    super.reset();\n    this._selectionService?.reset();\n    this._decorationService.reset();\n    this.viewport?.reset();\n\n    // reattach\n    this._customKeyEventHandler = customKeyEventHandler;\n\n    // do a full screen refresh\n    this.refresh(0, this.rows - 1);\n  }\n\n  public clearTextureAtlas(): void {\n    this._renderService?.clearTextureAtlas();\n  }\n\n  private _reportFocus(): void {\n    if (this.element?.classList.contains('focus')) {\n      this.coreService.triggerDataEvent(C0.ESC + '[I');\n    } else {\n      this.coreService.triggerDataEvent(C0.ESC + '[O');\n    }\n  }\n\n  private _reportWindowsOptions(type: WindowsOptionsReportType): void {\n    if (!this._renderService) {\n      return;\n    }\n\n    switch (type) {\n      case WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:\n        const canvasWidth = this._renderService.dimensions.css.canvas.width.toFixed(0);\n        const canvasHeight = this._renderService.dimensions.css.canvas.height.toFixed(0);\n        this.coreService.triggerDataEvent(`${C0.ESC}[4;${canvasHeight};${canvasWidth}t`);\n        break;\n      case WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:\n        const cellWidth = this._renderService.dimensions.css.cell.width.toFixed(0);\n        const cellHeight = this._renderService.dimensions.css.cell.height.toFixed(0);\n        this.coreService.triggerDataEvent(`${C0.ESC}[6;${cellHeight};${cellWidth}t`);\n        break;\n    }\n  }\n\n  // TODO: Remove cancel function and cancelEvents option\n  public cancel(ev: Event, force?: boolean): boolean | undefined {\n    if (!this.options.cancelEvents && !force) {\n      return;\n    }\n    ev.preventDefault();\n    ev.stopPropagation();\n    return false;\n  }\n}\n\n/**\n * Helpers\n */\n\nfunction wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {\n  return ev.keyCode === 16 || // Shift\n    ev.keyCode === 17 || // Ctrl\n    ev.keyCode === 18; // Alt\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nconst RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second\n\nimport { IRenderDebouncer } from 'browser/Types';\n\n/**\n * Debounces calls to update screen readers to update at most once configurable interval of time.\n */\nexport class TimeBasedDebouncer implements IRenderDebouncer {\n  private _rowStart: number | undefined;\n  private _rowEnd: number | undefined;\n  private _rowCount: number | undefined;\n\n  // The last moment that the Terminal was refreshed at\n  private _lastRefreshMs = 0;\n  // Whether a trailing refresh should be triggered due to a refresh request that was throttled\n  private _additionalRefreshRequested = false;\n\n  private _refreshTimeoutID: number | undefined;\n\n  constructor(\n    private _renderCallback: (start: number, end: number) => void,\n    private readonly _debounceThresholdMS = RENDER_DEBOUNCE_THRESHOLD_MS\n  ) {\n  }\n\n  public dispose(): void {\n    if (this._refreshTimeoutID) {\n      clearTimeout(this._refreshTimeoutID);\n    }\n  }\n\n  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {\n    this._rowCount = rowCount;\n    // Get the min/max row start/end for the arg values\n    rowStart = rowStart !== undefined ? rowStart : 0;\n    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;\n    // Set the properties to the updated values\n    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;\n    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n    // Only refresh if the time since last refresh is above a threshold, otherwise wait for\n    // enough time to pass before refreshing again.\n    const refreshRequestTime: number = Date.now();\n    if (refreshRequestTime - this._lastRefreshMs >= this._debounceThresholdMS) {\n      // Enough time has lapsed since the last refresh; refresh immediately\n      this._lastRefreshMs = refreshRequestTime;\n      this._innerRefresh();\n    } else if (!this._additionalRefreshRequested) {\n      // This is the first additional request throttled; set up trailing refresh\n      const elapsed = refreshRequestTime - this._lastRefreshMs;\n      const waitPeriodBeforeTrailingRefresh = this._debounceThresholdMS - elapsed;\n      this._additionalRefreshRequested = true;\n\n      this._refreshTimeoutID = window.setTimeout(() => {\n        this._lastRefreshMs = Date.now();\n        this._innerRefresh();\n        this._additionalRefreshRequested = false;\n        this._refreshTimeoutID = undefined; // No longer need to clear the timeout\n      }, waitPeriodBeforeTrailingRefresh);\n    }\n  }\n\n  private _innerRefresh(): void {\n    // Make sure values are set\n    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {\n      return;\n    }\n\n    // Clamp values\n    const start = Math.max(this._rowStart, 0);\n    const end = Math.min(this._rowEnd, this._rowCount - 1);\n\n    // Reset debouncer (this happens before render callback as the render could trigger it again)\n    this._rowStart = undefined;\n    this._rowEnd = undefined;\n\n    // Run render callback\n    this._renderCallback(start, end);\n  }\n}\n\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IViewport, ReadonlyColorSet } from 'browser/Types';\nimport { IRenderDimensions } from 'browser/renderer/shared/Types';\nimport { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IBuffer } from 'common/buffer/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nconst FALLBACK_SCROLL_BAR_WIDTH = 15;\n\ninterface ISmoothScrollState {\n  startTime: number;\n  origin: number;\n  target: number;\n}\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport extends Disposable implements IViewport {\n  public scrollBarWidth: number = 0;\n  private _currentRowHeight: number = 0;\n  private _currentDeviceCellHeight: number = 0;\n  private _lastRecordedBufferLength: number = 0;\n  private _lastRecordedViewportHeight: number = 0;\n  private _lastRecordedBufferHeight: number = 0;\n  private _lastTouchY: number = 0;\n  private _lastScrollTop: number = 0;\n  private _activeBuffer: IBuffer;\n  private _renderDimensions: IRenderDimensions;\n\n  // Stores a partial line amount when scrolling, this is used to keep track of how much of a line\n  // is scrolled so we can \"scroll\" over partial lines and feel natural on touchpads. This is a\n  // quick fix and could have a more robust solution in place that reset the value when needed.\n  private _wheelPartialScroll: number = 0;\n\n  private _refreshAnimationFrame: number | null = null;\n  private _ignoreNextScrollEvent: boolean = false;\n  private _smoothScrollState: ISmoothScrollState = {\n    startTime: 0,\n    origin: -1,\n    target: -1\n  };\n\n  private readonly _onRequestScrollLines = this.register(new EventEmitter<{ amount: number, suppressScrollEvent: boolean }>());\n  public readonly onRequestScrollLines = this._onRequestScrollLines.event;\n\n  constructor(\n    private readonly _viewportElement: HTMLElement,\n    private readonly _scrollArea: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @IThemeService themeService: IThemeService\n  ) {\n    super();\n\n    // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.\n    // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that\n    // case, therefore we account for a standard amount to make it visible\n    this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;\n    this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._handleScroll.bind(this)));\n\n    // Track properties used in performance critical code manually to avoid using slow getters\n    this._activeBuffer = this._bufferService.buffer;\n    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));\n    this._renderDimensions = this._renderService.dimensions;\n    this.register(this._renderService.onDimensionsChange(e => this._renderDimensions = e));\n\n    this._handleThemeChange(themeService.colors);\n    this.register(themeService.onChangeColors(e => this._handleThemeChange(e)));\n    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.syncScrollArea()));\n\n    // Perform this async to ensure the ICharSizeService is ready.\n    setTimeout(() => this.syncScrollArea());\n  }\n\n  private _handleThemeChange(colors: ReadonlyColorSet): void {\n    this._viewportElement.style.backgroundColor = colors.background.css;\n  }\n\n  public reset(): void {\n    this._currentRowHeight = 0;\n    this._currentDeviceCellHeight = 0;\n    this._lastRecordedBufferLength = 0;\n    this._lastRecordedViewportHeight = 0;\n    this._lastRecordedBufferHeight = 0;\n    this._lastTouchY = 0;\n    this._lastScrollTop = 0;\n    // Sync on next animation frame to ensure the new terminal state is used\n    this._coreBrowserService.window.requestAnimationFrame(() => this.syncScrollArea());\n  }\n\n  /**\n   * Refreshes row height, setting line-height, viewport height and scroll area height if\n   * necessary.\n   */\n  private _refresh(immediate: boolean): void {\n    if (immediate) {\n      this._innerRefresh();\n      if (this._refreshAnimationFrame !== null) {\n        this._coreBrowserService.window.cancelAnimationFrame(this._refreshAnimationFrame);\n      }\n      return;\n    }\n    if (this._refreshAnimationFrame === null) {\n      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());\n    }\n  }\n\n  private _innerRefresh(): void {\n    if (this._charSizeService.height > 0) {\n      this._currentRowHeight = this._renderDimensions.device.cell.height / this._coreBrowserService.dpr;\n      this._currentDeviceCellHeight = this._renderDimensions.device.cell.height;\n      this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;\n      const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._renderDimensions.css.canvas.height);\n      if (this._lastRecordedBufferHeight !== newBufferHeight) {\n        this._lastRecordedBufferHeight = newBufferHeight;\n        this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';\n      }\n    }\n\n    // Sync scrollTop\n    const scrollTop = this._bufferService.buffer.ydisp * this._currentRowHeight;\n    if (this._viewportElement.scrollTop !== scrollTop) {\n      // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not\n      // want this event to scroll the terminal\n      this._ignoreNextScrollEvent = true;\n      this._viewportElement.scrollTop = scrollTop;\n    }\n\n    this._refreshAnimationFrame = null;\n  }\n\n  /**\n   * Updates dimensions and synchronizes the scroll area if necessary.\n   */\n  public syncScrollArea(immediate: boolean = false): void {\n    // If buffer height changed\n    if (this._lastRecordedBufferLength !== this._bufferService.buffer.lines.length) {\n      this._lastRecordedBufferLength = this._bufferService.buffer.lines.length;\n      this._refresh(immediate);\n      return;\n    }\n\n    // If viewport height changed\n    if (this._lastRecordedViewportHeight !== this._renderService.dimensions.css.canvas.height) {\n      this._refresh(immediate);\n      return;\n    }\n\n    // If the buffer position doesn't match last scroll top\n    if (this._lastScrollTop !== this._activeBuffer.ydisp * this._currentRowHeight) {\n      this._refresh(immediate);\n      return;\n    }\n\n    // If row height changed\n    if (this._renderDimensions.device.cell.height !== this._currentDeviceCellHeight) {\n      this._refresh(immediate);\n      return;\n    }\n  }\n\n  /**\n   * Handles scroll events on the viewport, calculating the new viewport and requesting the\n   * terminal to scroll to it.\n   * @param ev The scroll event.\n   */\n  private _handleScroll(ev: Event): void {\n    // Record current scroll top position\n    this._lastScrollTop = this._viewportElement.scrollTop;\n\n    // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt\n    // which causes the terminal to scroll the buffer to the top\n    if (!this._viewportElement.offsetParent) {\n      return;\n    }\n\n    // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)\n    if (this._ignoreNextScrollEvent) {\n      this._ignoreNextScrollEvent = false;\n      // Still trigger the scroll so lines get refreshed\n      this._onRequestScrollLines.fire({ amount: 0, suppressScrollEvent: true });\n      return;\n    }\n\n    const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);\n    const diff = newRow - this._bufferService.buffer.ydisp;\n    this._onRequestScrollLines.fire({ amount: diff, suppressScrollEvent: true });\n  }\n\n  private _smoothScroll(): void {\n    // Check valid state\n    if (this._isDisposed || this._smoothScrollState.origin === -1 || this._smoothScrollState.target === -1) {\n      return;\n    }\n\n    // Calculate position complete\n    const percent = this._smoothScrollPercent();\n    this._viewportElement.scrollTop = this._smoothScrollState.origin + Math.round(percent * (this._smoothScrollState.target - this._smoothScrollState.origin));\n\n    // Continue or finish smooth scroll\n    if (percent < 1) {\n      this._coreBrowserService.window.requestAnimationFrame(() => this._smoothScroll());\n    } else {\n      this._clearSmoothScrollState();\n    }\n  }\n\n  private _smoothScrollPercent(): number {\n    if (!this._optionsService.rawOptions.smoothScrollDuration || !this._smoothScrollState.startTime) {\n      return 1;\n    }\n    return Math.max(Math.min((Date.now() - this._smoothScrollState.startTime) / this._optionsService.rawOptions.smoothScrollDuration, 1), 0);\n  }\n\n  private _clearSmoothScrollState(): void {\n    this._smoothScrollState.startTime = 0;\n    this._smoothScrollState.origin = -1;\n    this._smoothScrollState.target = -1;\n  }\n\n  /**\n   * Handles bubbling of scroll event in case the viewport has reached top or bottom\n   * @param ev The scroll event.\n   * @param amount The amount scrolled\n   */\n  private _bubbleScroll(ev: Event, amount: number): boolean {\n    const scrollPosFromTop = this._viewportElement.scrollTop + this._lastRecordedViewportHeight;\n    if ((amount < 0 && this._viewportElement.scrollTop !== 0) ||\n      (amount > 0 && scrollPosFromTop < this._lastRecordedBufferHeight)) {\n      if (ev.cancelable) {\n        ev.preventDefault();\n      }\n      return false;\n    }\n    return true;\n  }\n\n  /**\n   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n   * `Viewport`.\n   * @param ev The mouse wheel event.\n   */\n  public handleWheel(ev: WheelEvent): boolean {\n    const amount = this._getPixelsScrolled(ev);\n    if (amount === 0) {\n      return false;\n    }\n    if (!this._optionsService.rawOptions.smoothScrollDuration) {\n      this._viewportElement.scrollTop += amount;\n    } else {\n      this._smoothScrollState.startTime = Date.now();\n      if (this._smoothScrollPercent() < 1) {\n        this._smoothScrollState.origin = this._viewportElement.scrollTop;\n        if (this._smoothScrollState.target === -1) {\n          this._smoothScrollState.target = this._viewportElement.scrollTop + amount;\n        } else {\n          this._smoothScrollState.target += amount;\n        }\n        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);\n        this._smoothScroll();\n      } else {\n        this._clearSmoothScrollState();\n      }\n    }\n    return this._bubbleScroll(ev, amount);\n  }\n\n  public scrollLines(disp: number): void {\n    if (disp === 0) {\n      return;\n    }\n    if (!this._optionsService.rawOptions.smoothScrollDuration) {\n      this._onRequestScrollLines.fire({ amount: disp, suppressScrollEvent: false });\n    } else {\n      const amount = disp * this._currentRowHeight;\n      this._smoothScrollState.startTime = Date.now();\n      if (this._smoothScrollPercent() < 1) {\n        this._smoothScrollState.origin = this._viewportElement.scrollTop;\n        this._smoothScrollState.target = this._smoothScrollState.origin + amount;\n        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);\n        this._smoothScroll();\n      } else {\n        this._clearSmoothScrollState();\n      }\n    }\n  }\n\n  private _getPixelsScrolled(ev: WheelEvent): number {\n    // Do nothing if it's not a vertical scroll event\n    if (ev.deltaY === 0 || ev.shiftKey) {\n      return 0;\n    }\n\n    // Fallback to WheelEvent.DOM_DELTA_PIXEL\n    let amount = this._applyScrollModifier(ev.deltaY, ev);\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n      amount *= this._currentRowHeight;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      amount *= this._currentRowHeight * this._bufferService.rows;\n    }\n    return amount;\n  }\n\n\n  public getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement } {\n    let currentLine: string = '';\n    let cursorElement: HTMLElement | undefined;\n    const bufferElements: HTMLElement[] = [];\n    const end = endLine ?? this._bufferService.buffer.lines.length;\n    const lines = this._bufferService.buffer.lines;\n    for (let i = startLine; i < end; i++) {\n      const line = lines.get(i);\n      if (!line) {\n        continue;\n      }\n      const isWrapped = lines.get(i + 1)?.isWrapped;\n      currentLine += line.translateToString(!isWrapped);\n      if (!isWrapped || i === lines.length - 1) {\n        const div = document.createElement('div');\n        div.textContent = currentLine;\n        bufferElements.push(div);\n        if (currentLine.length > 0) {\n          cursorElement = div;\n        }\n        currentLine = '';\n      }\n    }\n    return { bufferElements, cursorElement };\n  }\n\n  /**\n   * Gets the number of pixels scrolled by the mouse event taking into account what type of delta\n   * is being used.\n   * @param ev The mouse wheel event.\n   */\n  public getLinesScrolled(ev: WheelEvent): number {\n    // Do nothing if it's not a vertical scroll event\n    if (ev.deltaY === 0 || ev.shiftKey) {\n      return 0;\n    }\n\n    // Fallback to WheelEvent.DOM_DELTA_LINE\n    let amount = this._applyScrollModifier(ev.deltaY, ev);\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {\n      amount /= this._currentRowHeight + 0.0; // Prevent integer division\n      this._wheelPartialScroll += amount;\n      amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);\n      this._wheelPartialScroll %= 1;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      amount *= this._bufferService.rows;\n    }\n    return amount;\n  }\n\n  private _applyScrollModifier(amount: number, ev: WheelEvent): number {\n    const modifier = this._optionsService.rawOptions.fastScrollModifier;\n    // Multiply the scroll speed when the modifier is down\n    if ((modifier === 'alt' && ev.altKey) ||\n      (modifier === 'ctrl' && ev.ctrlKey) ||\n      (modifier === 'shift' && ev.shiftKey)) {\n      return amount * this._optionsService.rawOptions.fastScrollSensitivity * this._optionsService.rawOptions.scrollSensitivity;\n    }\n\n    return amount * this._optionsService.rawOptions.scrollSensitivity;\n  }\n\n  /**\n   * Handles the touchstart event, recording the touch occurred.\n   * @param ev The touch event.\n   */\n  public handleTouchStart(ev: TouchEvent): void {\n    this._lastTouchY = ev.touches[0].pageY;\n  }\n\n  /**\n   * Handles the touchmove event, scrolling the viewport if the position shifted.\n   * @param ev The touch event.\n   */\n  public handleTouchMove(ev: TouchEvent): boolean {\n    const deltaY = this._lastTouchY - ev.touches[0].pageY;\n    this._lastTouchY = ev.touches[0].pageY;\n    if (deltaY === 0) {\n      return false;\n    }\n    this._viewportElement.scrollTop += deltaY;\n    return this._bubbleScroll(ev, deltaY);\n  }\n}\n","/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { ICoreBrowserService, IRenderService } from 'browser/services/Services';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IBufferService, IDecorationService, IInternalDecoration } from 'common/services/Services';\n\nexport class BufferDecorationRenderer extends Disposable {\n  private readonly _container: HTMLElement;\n  private readonly _decorationElements: Map<IInternalDecoration, HTMLElement> = new Map();\n\n  private _animationFrame: number | undefined;\n  private _altBufferIsActive: boolean = false;\n  private _dimensionsChanged: boolean = false;\n\n  constructor(\n    private readonly _screenElement: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @IDecorationService private readonly _decorationService: IDecorationService,\n    @IRenderService private readonly _renderService: IRenderService\n  ) {\n    super();\n\n    this._container = document.createElement('div');\n    this._container.classList.add('xterm-decoration-container');\n    this._screenElement.appendChild(this._container);\n\n    this.register(this._renderService.onRenderedViewportChange(() => this._doRefreshDecorations()));\n    this.register(this._renderService.onDimensionsChange(() => {\n      this._dimensionsChanged = true;\n      this._queueRefresh();\n    }));\n    this.register(this._coreBrowserService.onDprChange(() => this._queueRefresh()));\n    this.register(this._bufferService.buffers.onBufferActivate(() => {\n      this._altBufferIsActive = this._bufferService.buffer === this._bufferService.buffers.alt;\n    }));\n    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh()));\n    this.register(this._decorationService.onDecorationRemoved(decoration => this._removeDecoration(decoration)));\n    this.register(toDisposable(() => {\n      this._container.remove();\n      this._decorationElements.clear();\n    }));\n  }\n\n  private _queueRefresh(): void {\n    if (this._animationFrame !== undefined) {\n      return;\n    }\n    this._animationFrame = this._renderService.addRefreshCallback(() => {\n      this._doRefreshDecorations();\n      this._animationFrame = undefined;\n    });\n  }\n\n  private _doRefreshDecorations(): void {\n    for (const decoration of this._decorationService.decorations) {\n      this._renderDecoration(decoration);\n    }\n    this._dimensionsChanged = false;\n  }\n\n  private _renderDecoration(decoration: IInternalDecoration): void {\n    this._refreshStyle(decoration);\n    if (this._dimensionsChanged) {\n      this._refreshXPosition(decoration);\n    }\n  }\n\n  private _createElement(decoration: IInternalDecoration): HTMLElement {\n    const element = this._coreBrowserService.mainDocument.createElement('div');\n    element.classList.add('xterm-decoration');\n    element.classList.toggle('xterm-decoration-top-layer', decoration?.options?.layer === 'top');\n    element.style.width = `${Math.round((decoration.options.width || 1) * this._renderService.dimensions.css.cell.width)}px`;\n    element.style.height = `${(decoration.options.height || 1) * this._renderService.dimensions.css.cell.height}px`;\n    element.style.top = `${(decoration.marker.line - this._bufferService.buffers.active.ydisp) * this._renderService.dimensions.css.cell.height}px`;\n    element.style.lineHeight = `${this._renderService.dimensions.css.cell.height}px`;\n\n    const x = decoration.options.x ?? 0;\n    if (x && x > this._bufferService.cols) {\n      // exceeded the container width, so hide\n      element.style.display = 'none';\n    }\n    this._refreshXPosition(decoration, element);\n\n    return element;\n  }\n\n  private _refreshStyle(decoration: IInternalDecoration): void {\n    const line = decoration.marker.line - this._bufferService.buffers.active.ydisp;\n    if (line < 0 || line >= this._bufferService.rows) {\n      // outside of viewport\n      if (decoration.element) {\n        decoration.element.style.display = 'none';\n        decoration.onRenderEmitter.fire(decoration.element);\n      }\n    } else {\n      let element = this._decorationElements.get(decoration);\n      if (!element) {\n        element = this._createElement(decoration);\n        decoration.element = element;\n        this._decorationElements.set(decoration, element);\n        this._container.appendChild(element);\n        decoration.onDispose(() => {\n          this._decorationElements.delete(decoration);\n          element!.remove();\n        });\n      }\n      element.style.top = `${line * this._renderService.dimensions.css.cell.height}px`;\n      element.style.display = this._altBufferIsActive ? 'none' : 'block';\n      decoration.onRenderEmitter.fire(element);\n    }\n  }\n\n  private _refreshXPosition(decoration: IInternalDecoration, element: HTMLElement | undefined = decoration.element): void {\n    if (!element) {\n      return;\n    }\n    const x = decoration.options.x ?? 0;\n    if ((decoration.options.anchor || 'left') === 'right') {\n      element.style.right = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';\n    } else {\n      element.style.left = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';\n    }\n  }\n\n  private _removeDecoration(decoration: IInternalDecoration): void {\n    this._decorationElements.get(decoration)?.remove();\n    this._decorationElements.delete(decoration);\n    decoration.dispose();\n  }\n}\n","/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IInternalDecoration } from 'common/services/Services';\n\nexport interface IColorZoneStore {\n  readonly zones: IColorZone[];\n  clear(): void;\n  addDecoration(decoration: IInternalDecoration): void;\n  /**\n   * Sets the amount of padding in lines that will be added between zones, if new lines intersect\n   * the padding they will be merged into the same zone.\n   */\n  setPadding(padding: { [position: string]: number }): void;\n}\n\nexport interface IColorZone {\n  /** Color in a format supported by canvas' fillStyle. */\n  color: string;\n  position: 'full' | 'left' | 'center' | 'right' | undefined;\n  startBufferLine: number;\n  endBufferLine: number;\n}\n\ninterface IMinimalDecorationForColorZone {\n  marker: Pick<IInternalDecoration['marker'], 'line'>;\n  options: Pick<IInternalDecoration['options'], 'overviewRulerOptions'>;\n}\n\nexport class ColorZoneStore implements IColorZoneStore {\n  private _zones: IColorZone[] = [];\n\n  // The zone pool is used to keep zone objects from being freed between clearing the color zone\n  // store and fetching the zones. This helps reduce GC pressure since the color zones are\n  // accumulated on potentially every scroll event.\n  private _zonePool: IColorZone[] = [];\n  private _zonePoolIndex = 0;\n\n  private _linePadding: { [position: string]: number } = {\n    full: 0,\n    left: 0,\n    center: 0,\n    right: 0\n  };\n\n  public get zones(): IColorZone[] {\n    // Trim the zone pool to free unused memory\n    this._zonePool.length = Math.min(this._zonePool.length, this._zones.length);\n    return this._zones;\n  }\n\n  public clear(): void {\n    this._zones.length = 0;\n    this._zonePoolIndex = 0;\n  }\n\n  public addDecoration(decoration: IMinimalDecorationForColorZone): void {\n    if (!decoration.options.overviewRulerOptions) {\n      return;\n    }\n    for (const z of this._zones) {\n      if (z.color === decoration.options.overviewRulerOptions.color &&\n          z.position === decoration.options.overviewRulerOptions.position) {\n        if (this._lineIntersectsZone(z, decoration.marker.line)) {\n          return;\n        }\n        if (this._lineAdjacentToZone(z, decoration.marker.line, decoration.options.overviewRulerOptions.position)) {\n          this._addLineToZone(z, decoration.marker.line);\n          return;\n        }\n      }\n    }\n    // Create using zone pool if possible\n    if (this._zonePoolIndex < this._zonePool.length) {\n      this._zonePool[this._zonePoolIndex].color = decoration.options.overviewRulerOptions.color;\n      this._zonePool[this._zonePoolIndex].position = decoration.options.overviewRulerOptions.position;\n      this._zonePool[this._zonePoolIndex].startBufferLine = decoration.marker.line;\n      this._zonePool[this._zonePoolIndex].endBufferLine = decoration.marker.line;\n      this._zones.push(this._zonePool[this._zonePoolIndex++]);\n      return;\n    }\n    // Create\n    this._zones.push({\n      color: decoration.options.overviewRulerOptions.color,\n      position: decoration.options.overviewRulerOptions.position,\n      startBufferLine: decoration.marker.line,\n      endBufferLine: decoration.marker.line\n    });\n    this._zonePool.push(this._zones[this._zones.length - 1]);\n    this._zonePoolIndex++;\n  }\n\n  public setPadding(padding: { [position: string]: number }): void {\n    this._linePadding = padding;\n  }\n\n  private _lineIntersectsZone(zone: IColorZone, line: number): boolean {\n    return (\n      line >= zone.startBufferLine &&\n      line <= zone.endBufferLine\n    );\n  }\n\n  private _lineAdjacentToZone(zone: IColorZone, line: number, position: IColorZone['position']): boolean {\n    return (\n      (line >= zone.startBufferLine - this._linePadding[position || 'full']) &&\n      (line <= zone.endBufferLine + this._linePadding[position || 'full'])\n    );\n  }\n\n  private _addLineToZone(zone: IColorZone, line: number): void {\n    zone.startBufferLine = Math.min(zone.startBufferLine, line);\n    zone.endBufferLine = Math.max(zone.endBufferLine, line);\n  }\n}\n","/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations/ColorZoneStore';\nimport { ICoreBrowserService, IRenderService } from 'browser/services/Services';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';\n\n// Helper objects to avoid excessive calculation and garbage collection during rendering. These are\n// static values for each render and can be accessed using the decoration position as the key.\nconst drawHeight = {\n  full: 0,\n  left: 0,\n  center: 0,\n  right: 0\n};\nconst drawWidth = {\n  full: 0,\n  left: 0,\n  center: 0,\n  right: 0\n};\nconst drawX = {\n  full: 0,\n  left: 0,\n  center: 0,\n  right: 0\n};\n\nexport class OverviewRulerRenderer extends Disposable {\n  private readonly _canvas: HTMLCanvasElement;\n  private readonly _ctx: CanvasRenderingContext2D;\n  private readonly _colorZoneStore: IColorZoneStore = new ColorZoneStore();\n  private get _width(): number {\n    return this._optionsService.options.overviewRulerWidth || 0;\n  }\n  private _animationFrame: number | undefined;\n\n  private _shouldUpdateDimensions: boolean | undefined = true;\n  private _shouldUpdateAnchor: boolean | undefined = true;\n  private _lastKnownBufferLength: number = 0;\n\n  private _containerHeight: number | undefined;\n\n  constructor(\n    private readonly _viewportElement: HTMLElement,\n    private readonly _screenElement: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IDecorationService private readonly _decorationService: IDecorationService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService\n  ) {\n    super();\n    this._canvas = this._coreBrowserService.mainDocument.createElement('canvas');\n    this._canvas.classList.add('xterm-decoration-overview-ruler');\n    this._refreshCanvasDimensions();\n    this._viewportElement.parentElement?.insertBefore(this._canvas, this._viewportElement);\n    const ctx = this._canvas.getContext('2d');\n    if (!ctx) {\n      throw new Error('Ctx cannot be null');\n    } else {\n      this._ctx = ctx;\n    }\n    this._registerDecorationListeners();\n    this._registerBufferChangeListeners();\n    this._registerDimensionChangeListeners();\n    this.register(toDisposable(() => {\n      this._canvas?.remove();\n    }));\n  }\n\n  /**\n   * On decoration add or remove, redraw\n   */\n  private _registerDecorationListeners(): void {\n    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh(undefined, true)));\n    this.register(this._decorationService.onDecorationRemoved(() => this._queueRefresh(undefined, true)));\n  }\n\n  /**\n   * On buffer change, redraw\n   * and hide the canvas if the alt buffer is active\n   */\n  private _registerBufferChangeListeners(): void {\n    this.register(this._renderService.onRenderedViewportChange(() => this._queueRefresh()));\n    this.register(this._bufferService.buffers.onBufferActivate(() => {\n      this._canvas!.style.display = this._bufferService.buffer === this._bufferService.buffers.alt ? 'none' : 'block';\n    }));\n    this.register(this._bufferService.onScroll(() => {\n      if (this._lastKnownBufferLength !== this._bufferService.buffers.normal.lines.length) {\n        this._refreshDrawHeightConstants();\n        this._refreshColorZonePadding();\n      }\n    }));\n  }\n  /**\n   * On dimension change, update canvas dimensions\n   * and then redraw\n   */\n  private _registerDimensionChangeListeners(): void {\n    // container height changed\n    this.register(this._renderService.onRender((): void => {\n      if (!this._containerHeight || this._containerHeight !== this._screenElement.clientHeight) {\n        this._queueRefresh(true);\n        this._containerHeight = this._screenElement.clientHeight;\n      }\n    }));\n    // overview ruler width changed\n    this.register(this._optionsService.onSpecificOptionChange('overviewRulerWidth', () => this._queueRefresh(true)));\n    // device pixel ratio changed\n    this.register(this._coreBrowserService.onDprChange(() => this._queueRefresh(true)));\n    // set the canvas dimensions\n    this._queueRefresh(true);\n  }\n\n  private _refreshDrawConstants(): void {\n    // width\n    const outerWidth = Math.floor(this._canvas.width / 3);\n    const innerWidth = Math.ceil(this._canvas.width / 3);\n    drawWidth.full = this._canvas.width;\n    drawWidth.left = outerWidth;\n    drawWidth.center = innerWidth;\n    drawWidth.right = outerWidth;\n    // height\n    this._refreshDrawHeightConstants();\n    // x\n    drawX.full = 0;\n    drawX.left = 0;\n    drawX.center = drawWidth.left;\n    drawX.right = drawWidth.left + drawWidth.center;\n  }\n\n  private _refreshDrawHeightConstants(): void {\n    drawHeight.full = Math.round(2 * this._coreBrowserService.dpr);\n    // Calculate actual pixels per line\n    const pixelsPerLine = this._canvas.height / this._bufferService.buffer.lines.length;\n    // Clamp actual pixels within a range\n    const nonFullHeight = Math.round(Math.max(Math.min(pixelsPerLine, 12), 6) * this._coreBrowserService.dpr);\n    drawHeight.left = nonFullHeight;\n    drawHeight.center = nonFullHeight;\n    drawHeight.right = nonFullHeight;\n  }\n\n  private _refreshColorZonePadding(): void {\n    this._colorZoneStore.setPadding({\n      full: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.full),\n      left: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.left),\n      center: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.center),\n      right: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.right)\n    });\n    this._lastKnownBufferLength = this._bufferService.buffers.normal.lines.length;\n  }\n\n  private _refreshCanvasDimensions(): void {\n    this._canvas.style.width = `${this._width}px`;\n    this._canvas.width = Math.round(this._width * this._coreBrowserService.dpr);\n    this._canvas.style.height = `${this._screenElement.clientHeight}px`;\n    this._canvas.height = Math.round(this._screenElement.clientHeight * this._coreBrowserService.dpr);\n    this._refreshDrawConstants();\n    this._refreshColorZonePadding();\n  }\n\n  private _refreshDecorations(): void {\n    if (this._shouldUpdateDimensions) {\n      this._refreshCanvasDimensions();\n    }\n    this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);\n    this._colorZoneStore.clear();\n    for (const decoration of this._decorationService.decorations) {\n      this._colorZoneStore.addDecoration(decoration);\n    }\n    this._ctx.lineWidth = 1;\n    const zones = this._colorZoneStore.zones;\n    for (const zone of zones) {\n      if (zone.position !== 'full') {\n        this._renderColorZone(zone);\n      }\n    }\n    for (const zone of zones) {\n      if (zone.position === 'full') {\n        this._renderColorZone(zone);\n      }\n    }\n    this._shouldUpdateDimensions = false;\n    this._shouldUpdateAnchor = false;\n  }\n\n  private _renderColorZone(zone: IColorZone): void {\n    this._ctx.fillStyle = zone.color;\n    this._ctx.fillRect(\n      /* x */ drawX[zone.position || 'full'],\n      /* y */ Math.round(\n        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line\n        (zone.startBufferLine / this._bufferService.buffers.active.lines.length) - drawHeight[zone.position || 'full'] / 2\n      ),\n      /* w */ drawWidth[zone.position || 'full'],\n      /* h */ Math.round(\n        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line\n        ((zone.endBufferLine - zone.startBufferLine) / this._bufferService.buffers.active.lines.length) + drawHeight[zone.position || 'full']\n      )\n    );\n  }\n\n  private _queueRefresh(updateCanvasDimensions?: boolean, updateAnchor?: boolean): void {\n    this._shouldUpdateDimensions = updateCanvasDimensions || this._shouldUpdateDimensions;\n    this._shouldUpdateAnchor = updateAnchor || this._shouldUpdateAnchor;\n    if (this._animationFrame !== undefined) {\n      return;\n    }\n    this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {\n      this._refreshDecorations();\n      this._animationFrame = undefined;\n    });\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderService } from 'browser/services/Services';\nimport { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';\nimport { C0 } from 'common/data/EscapeSequences';\n\ninterface IPosition {\n  start: number;\n  end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n  /**\n   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n   * IME. This variable determines whether the compositionText should be displayed on the UI.\n   */\n  private _isComposing: boolean;\n  public get isComposing(): boolean { return this._isComposing; }\n\n  /**\n   * The position within the input textarea's value of the current composition.\n   */\n  private _compositionPosition: IPosition;\n\n  /**\n   * Whether a composition is in the process of being sent, setting this to false will cancel any\n   * in-progress composition.\n   */\n  private _isSendingComposition: boolean;\n\n  /**\n   * Data already sent due to keydown event.\n   */\n  private _dataAlreadySent: string;\n\n  constructor(\n    private readonly _textarea: HTMLTextAreaElement,\n    private readonly _compositionView: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICoreService private readonly _coreService: ICoreService,\n    @IRenderService private readonly _renderService: IRenderService\n  ) {\n    this._isComposing = false;\n    this._isSendingComposition = false;\n    this._compositionPosition = { start: 0, end: 0 };\n    this._dataAlreadySent = '';\n  }\n\n  /**\n   * Handles the compositionstart event, activating the composition view.\n   */\n  public compositionstart(): void {\n    this._isComposing = true;\n    this._compositionPosition.start = this._textarea.value.length;\n    this._compositionView.textContent = '';\n    this._dataAlreadySent = '';\n    this._compositionView.classList.add('active');\n  }\n\n  /**\n   * Handles the compositionupdate event, updating the composition view.\n   * @param ev The event.\n   */\n  public compositionupdate(ev: Pick<CompositionEvent, 'data'>): void {\n    this._compositionView.textContent = ev.data;\n    this.updateCompositionElements();\n    setTimeout(() => {\n      this._compositionPosition.end = this._textarea.value.length;\n    }, 0);\n  }\n\n  /**\n   * Handles the compositionend event, hiding the composition view and sending the composition to\n   * the handler.\n   */\n  public compositionend(): void {\n    this._finalizeComposition(true);\n  }\n\n  /**\n   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n   * @param ev The keydown event.\n   * @returns Whether the Terminal should continue processing the keydown event.\n   */\n  public keydown(ev: KeyboardEvent): boolean {\n    if (this._isComposing || this._isSendingComposition) {\n      if (ev.keyCode === 229) {\n        // Continue composing if the keyCode is the \"composition character\"\n        return false;\n      }\n      if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n        // Continue composing if the keyCode is a modifier key\n        return false;\n      }\n      // Finish composition immediately. This is mainly here for the case where enter is\n      // pressed and the handler needs to be triggered before the command is executed.\n      this._finalizeComposition(false);\n    }\n\n    if (ev.keyCode === 229) {\n      // If the \"composition character\" is used but gets to this point it means a non-composition\n      // character (eg. numbers and punctuation) was pressed when the IME was active.\n      this._handleAnyTextareaChanges();\n      return false;\n    }\n\n    return true;\n  }\n\n  /**\n   * Finalizes the composition, resuming regular input actions. This is called when a composition\n   * is ending.\n   * @param waitForPropagation Whether to wait for events to propagate before sending\n   *   the input. This should be false if a non-composition keystroke is entered before the\n   *   compositionend event is triggered, such as enter, so that the composition is sent before\n   *   the command is executed.\n   */\n  private _finalizeComposition(waitForPropagation: boolean): void {\n    this._compositionView.classList.remove('active');\n    this._isComposing = false;\n\n    if (!waitForPropagation) {\n      // Cancel any delayed composition send requests and send the input immediately.\n      this._isSendingComposition = false;\n      const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);\n      this._coreService.triggerDataEvent(input, true);\n    } else {\n      // Make a deep copy of the composition position here as a new compositionstart event may\n      // fire before the setTimeout executes.\n      const currentCompositionPosition = {\n        start: this._compositionPosition.start,\n        end: this._compositionPosition.end\n      };\n\n      // Since composition* events happen before the changes take place in the textarea on most\n      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n      // complete. This ensures the correct character is retrieved.\n      // This solution was used because:\n      // - The compositionend event's data property is unreliable, at least on Chromium\n      // - The last compositionupdate event's data property does not always accurately describe\n      //   the character, a counter example being Korean where an ending consonsant can move to\n      //   the following character if the following input is a vowel.\n      this._isSendingComposition = true;\n      setTimeout(() => {\n        // Ensure that the input has not already been sent\n        if (this._isSendingComposition) {\n          this._isSendingComposition = false;\n          let input;\n          // Add length of data already sent due to keydown event,\n          // otherwise input characters can be duplicated. (Issue #3191)\n          currentCompositionPosition.start += this._dataAlreadySent.length;\n          if (this._isComposing) {\n            // Use the end position to get the string if a new composition has started.\n            input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n          } else {\n            // Don't use the end position here in order to pick up any characters after the\n            // composition has finished, for example when typing a non-composition character\n            // (eg. 2) after a composition character.\n            input = this._textarea.value.substring(currentCompositionPosition.start);\n          }\n          if (input.length > 0) {\n            this._coreService.triggerDataEvent(input, true);\n          }\n        }\n      }, 0);\n    }\n  }\n\n  /**\n   * Apply any changes made to the textarea after the current event chain is allowed to complete.\n   * This should be called when not currently composing but a keydown event with the \"composition\n   * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n   * IME is active.\n   */\n  private _handleAnyTextareaChanges(): void {\n    const oldValue = this._textarea.value;\n    setTimeout(() => {\n      // Ignore if a composition has started since the timeout\n      if (!this._isComposing) {\n        const newValue = this._textarea.value;\n\n        const diff = newValue.replace(oldValue, '');\n\n        this._dataAlreadySent = diff;\n\n        if (newValue.length > oldValue.length) {\n          this._coreService.triggerDataEvent(diff, true);\n        } else if (newValue.length < oldValue.length) {\n          this._coreService.triggerDataEvent(`${C0.DEL}`, true);\n        } else if ((newValue.length === oldValue.length) && (newValue !== oldValue)) {\n          this._coreService.triggerDataEvent(newValue, true);\n        }\n\n      }\n    }, 0);\n  }\n\n  /**\n   * Positions the composition view on top of the cursor and the textarea just below it (so the\n   * IME helper dialog is positioned correctly).\n   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n   *   necessary as the IME events across browsers are not consistently triggered.\n   */\n  public updateCompositionElements(dontRecurse?: boolean): void {\n    if (!this._isComposing) {\n      return;\n    }\n\n    if (this._bufferService.buffer.isCursorInViewport) {\n      const cursorX = Math.min(this._bufferService.buffer.x, this._bufferService.cols - 1);\n\n      const cellHeight = this._renderService.dimensions.css.cell.height;\n      const cursorTop = this._bufferService.buffer.y * this._renderService.dimensions.css.cell.height;\n      const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;\n\n      this._compositionView.style.left = cursorLeft + 'px';\n      this._compositionView.style.top = cursorTop + 'px';\n      this._compositionView.style.height = cellHeight + 'px';\n      this._compositionView.style.lineHeight = cellHeight + 'px';\n      this._compositionView.style.fontFamily = this._optionsService.rawOptions.fontFamily;\n      this._compositionView.style.fontSize = this._optionsService.rawOptions.fontSize + 'px';\n      // Sync the textarea to the exact position of the composition view so the IME knows where the\n      // text is.\n      const compositionViewBounds = this._compositionView.getBoundingClientRect();\n      this._textarea.style.left = cursorLeft + 'px';\n      this._textarea.style.top = cursorTop + 'px';\n      // Ensure the text area is at least 1x1, otherwise certain IMEs may break\n      this._textarea.style.width = Math.max(compositionViewBounds.width, 1) + 'px';\n      this._textarea.style.height = Math.max(compositionViewBounds.height, 1) + 'px';\n      this._textarea.style.lineHeight = compositionViewBounds.height + 'px';\n    }\n\n    if (!dontRecurse) {\n      setTimeout(() => this.updateCompositionElements(true), 0);\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport function getCoordsRelativeToElement(window: Pick<Window, 'getComputedStyle'>, event: {clientX: number, clientY: number}, element: HTMLElement): [number, number] {\n  const rect = element.getBoundingClientRect();\n  const elementStyle = window.getComputedStyle(element);\n  const leftPadding = parseInt(elementStyle.getPropertyValue('padding-left'));\n  const topPadding = parseInt(elementStyle.getPropertyValue('padding-top'));\n  return [\n    event.clientX - rect.left - leftPadding,\n    event.clientY - rect.top - topPadding\n  ];\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param window The window object the element belongs to.\n * @param event The mouse event.\n * @param element The terminal's container element.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param hasValidCharSize Whether there is a valid character size available.\n * @param cssCellWidth The cell width device pixel render dimensions.\n * @param cssCellHeight The cell height device pixel render dimensions.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\nexport function getCoords(window: Pick<Window, 'getComputedStyle'>, event: Pick<MouseEvent, 'clientX' | 'clientY'>, element: HTMLElement, colCount: number, rowCount: number, hasValidCharSize: boolean, cssCellWidth: number, cssCellHeight: number, isSelection?: boolean): [number, number] | undefined {\n  // Coordinates cannot be measured if there are no valid\n  if (!hasValidCharSize) {\n    return undefined;\n  }\n\n  const coords = getCoordsRelativeToElement(window, event, element);\n  if (!coords) {\n    return undefined;\n  }\n\n  coords[0] = Math.ceil((coords[0] + (isSelection ? cssCellWidth / 2 : 0)) / cssCellWidth);\n  coords[1] = Math.ceil(coords[1] / cssCellHeight);\n\n  // Ensure coordinates are within the terminal viewport. Note that selections\n  // need an addition point of precision to cover the end point (as characters\n  // cover half of one char and half of the next).\n  coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));\n  coords[1] = Math.min(Math.max(coords[1], 1), rowCount);\n\n  return coords;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { C0 } from 'common/data/EscapeSequences';\nimport { IBufferService } from 'common/services/Services';\n\nconst enum Direction {\n  UP = 'A',\n  DOWN = 'B',\n  RIGHT = 'C',\n  LEFT = 'D'\n}\n\n/**\n * Concatenates all the arrow sequences together.\n * Resets the starting row to an unwrapped row, moves to the requested row,\n * then moves to requested col.\n */\nexport function moveToCellSequence(targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  const startX = bufferService.buffer.x;\n  const startY = bufferService.buffer.y;\n\n  // The alt buffer should try to navigate between rows\n  if (!bufferService.buffer.hasScrollback) {\n    return resetStartingRow(startX, startY, targetX, targetY, bufferService, applicationCursor) +\n      moveToRequestedRow(startY, targetY, bufferService, applicationCursor) +\n      moveToRequestedCol(startX, startY, targetX, targetY, bufferService, applicationCursor);\n  }\n\n  // Only move horizontally for the normal buffer\n  let direction;\n  if (startY === targetY) {\n    direction = startX > targetX ? Direction.LEFT : Direction.RIGHT;\n    return repeat(Math.abs(startX - targetX), sequence(direction, applicationCursor));\n  }\n  direction = startY > targetY ? Direction.LEFT : Direction.RIGHT;\n  const rowDifference = Math.abs(startY - targetY);\n  const cellsToMove = colsFromRowEnd(startY > targetY ? targetX : startX, bufferService) +\n    (rowDifference - 1) * bufferService.cols + 1 /* wrap around 1 row */ +\n    colsFromRowBeginning(startY > targetY ? startX : targetX, bufferService);\n  return repeat(cellsToMove, sequence(direction, applicationCursor));\n}\n\n/**\n * Find the number of cols from a row beginning to a col.\n */\nfunction colsFromRowBeginning(currX: number, bufferService: IBufferService): number {\n  return currX - 1;\n}\n\n/**\n * Find the number of cols from a col to row end.\n */\nfunction colsFromRowEnd(currX: number, bufferService: IBufferService): number {\n  return bufferService.cols - currX;\n}\n\n/**\n * If the initial position of the cursor is on a row that is wrapped, move the\n * cursor up to the first row that is not wrapped to have accurate vertical\n * positioning.\n */\nfunction resetStartingRow(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length === 0) {\n    return '';\n  }\n  return repeat(bufferLine(\n    startX, startY, startX,\n    startY - wrappedRowsForRow(startY, bufferService), false, bufferService\n  ).length, sequence(Direction.LEFT, applicationCursor));\n}\n\n/**\n * Using the reset starting and ending row, move to the requested row,\n * ignoring wrapped rows\n */\nfunction moveToRequestedRow(startY: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  const startRow = startY - wrappedRowsForRow(startY, bufferService);\n  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);\n\n  const rowsToMove = Math.abs(startRow - endRow) - wrappedRowsCount(startY, targetY, bufferService);\n\n  return repeat(rowsToMove, sequence(verticalDirection(startY, targetY), applicationCursor));\n}\n\n/**\n * Move to the requested col on the ending row\n */\nfunction moveToRequestedCol(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  let startRow;\n  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length > 0) {\n    startRow = targetY - wrappedRowsForRow(targetY, bufferService);\n  } else {\n    startRow = startY;\n  }\n\n  const endRow = targetY;\n  const direction = horizontalDirection(startX, startY, targetX, targetY, bufferService, applicationCursor);\n\n  return repeat(bufferLine(\n    startX, startRow, targetX, endRow,\n    direction === Direction.RIGHT, bufferService\n  ).length, sequence(direction, applicationCursor));\n}\n\n/**\n * Utility functions\n */\n\n/**\n * Calculates the number of wrapped rows between the unwrapped starting and\n * ending rows. These rows need to ignored since the cursor skips over them.\n */\nfunction wrappedRowsCount(startY: number, targetY: number, bufferService: IBufferService): number {\n  let wrappedRows = 0;\n  const startRow = startY - wrappedRowsForRow(startY, bufferService);\n  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);\n\n  for (let i = 0; i < Math.abs(startRow - endRow); i++) {\n    const direction = verticalDirection(startY, targetY) === Direction.UP ? -1 : 1;\n    const line = bufferService.buffer.lines.get(startRow + (direction * i));\n    if (line?.isWrapped) {\n      wrappedRows++;\n    }\n  }\n\n  return wrappedRows;\n}\n\n/**\n * Calculates the number of wrapped rows that make up a given row.\n * @param currentRow The row to determine how many wrapped rows make it up\n */\nfunction wrappedRowsForRow(currentRow: number, bufferService: IBufferService): number {\n  let rowCount = 0;\n  let line = bufferService.buffer.lines.get(currentRow);\n  let lineWraps = line?.isWrapped;\n\n  while (lineWraps && currentRow >= 0 && currentRow < bufferService.rows) {\n    rowCount++;\n    line = bufferService.buffer.lines.get(--currentRow);\n    lineWraps = line?.isWrapped;\n  }\n\n  return rowCount;\n}\n\n/**\n * Direction determiners\n */\n\n/**\n * Determines if the right or left arrow is needed\n */\nfunction horizontalDirection(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): Direction {\n  let startRow;\n  if (moveToRequestedRow(targetX, targetY, bufferService, applicationCursor).length > 0) {\n    startRow = targetY - wrappedRowsForRow(targetY, bufferService);\n  } else {\n    startRow = startY;\n  }\n\n  if ((startX < targetX &&\n    startRow <= targetY) || // down/right or same y/right\n    (startX >= targetX &&\n    startRow < targetY)) {  // down/left or same y/left\n    return Direction.RIGHT;\n  }\n  return Direction.LEFT;\n}\n\n/**\n * Determines if the up or down arrow is needed\n */\nfunction verticalDirection(startY: number, targetY: number): Direction {\n  return startY > targetY ? Direction.UP : Direction.DOWN;\n}\n\n/**\n * Constructs the string of chars in the buffer from a starting row and col\n * to an ending row and col\n * @param startCol The starting column position\n * @param startRow The starting row position\n * @param endCol The ending column position\n * @param endRow The ending row position\n * @param forward Direction to move\n */\nfunction bufferLine(\n  startCol: number,\n  startRow: number,\n  endCol: number,\n  endRow: number,\n  forward: boolean,\n  bufferService: IBufferService\n): string {\n  let currentCol = startCol;\n  let currentRow = startRow;\n  let bufferStr = '';\n\n  while (currentCol !== endCol || currentRow !== endRow) {\n    currentCol += forward ? 1 : -1;\n\n    if (forward && currentCol > bufferService.cols - 1) {\n      bufferStr += bufferService.buffer.translateBufferLineToString(\n        currentRow, false, startCol, currentCol\n      );\n      currentCol = 0;\n      startCol = 0;\n      currentRow++;\n    } else if (!forward && currentCol < 0) {\n      bufferStr += bufferService.buffer.translateBufferLineToString(\n        currentRow, false, 0, startCol + 1\n      );\n      currentCol = bufferService.cols - 1;\n      startCol = currentCol;\n      currentRow--;\n    }\n  }\n\n  return bufferStr + bufferService.buffer.translateBufferLineToString(\n    currentRow, false, startCol, currentCol\n  );\n}\n\n/**\n * Constructs the escape sequence for clicking an arrow\n * @param direction The direction to move\n */\nfunction sequence(direction: Direction, applicationCursor: boolean): string {\n  const mod =  applicationCursor ? 'O' : '[';\n  return C0.ESC + mod + direction;\n}\n\n/**\n * Returns a string repeated a given number of times\n * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat\n * @param count The number of times to repeat the string\n * @param str The string that is to be repeated\n */\nfunction repeat(count: number, str: string): string {\n  count = Math.floor(count);\n  let rpt = '';\n  for (let i = 0; i < count; i++) {\n    rpt += str;\n  }\n  return rpt;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DomRendererRowFactory, RowCss } from 'browser/renderer/dom/DomRendererRowFactory';\nimport { WidthCache } from 'browser/renderer/dom/WidthCache';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';\nimport { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';\nimport { createSelectionRenderModel } from 'browser/renderer/shared/SelectionRenderModel';\nimport { IRenderDimensions, IRenderer, IRequestRedrawEvent, ISelectionRenderModel } from 'browser/renderer/shared/Types';\nimport { ICharSizeService, ICoreBrowserService, IThemeService } from 'browser/services/Services';\nimport { ILinkifier2, ILinkifierEvent, ITerminal, ReadonlyColorSet } from 'browser/Types';\nimport { color } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IBufferService, IInstantiationService, IOptionsService } from 'common/services/Services';\n\n\nconst TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';\nconst ROW_CONTAINER_CLASS = 'xterm-rows';\nconst FG_CLASS_PREFIX = 'xterm-fg-';\nconst BG_CLASS_PREFIX = 'xterm-bg-';\nconst FOCUS_CLASS = 'xterm-focus';\nconst SELECTION_CLASS = 'xterm-selection';\n\nlet nextTerminalId = 1;\n\n/**\n * A fallback renderer for when canvas is slow. This is not meant to be\n * particularly fast or feature complete, more just stable and usable for when\n * canvas is not an option.\n */\nexport class DomRenderer extends Disposable implements IRenderer {\n  private _rowFactory: DomRendererRowFactory;\n  private _terminalClass: number = nextTerminalId++;\n\n  private _themeStyleElement!: HTMLStyleElement;\n  private _dimensionsStyleElement!: HTMLStyleElement;\n  private _rowContainer: HTMLElement;\n  private _rowElements: HTMLElement[] = [];\n  private _selectionContainer: HTMLElement;\n  private _widthCache: WidthCache;\n  private _selectionRenderModel: ISelectionRenderModel = createSelectionRenderModel();\n\n  public dimensions: IRenderDimensions;\n\n  public readonly onRequestRedraw = this.register(new EventEmitter<IRequestRedrawEvent>()).event;\n\n  constructor(\n    private readonly _terminal: ITerminal,\n    private readonly _document: Document,\n    private readonly _element: HTMLElement,\n    private readonly _screenElement: HTMLElement,\n    private readonly _viewportElement: HTMLElement,\n    private readonly _helperContainer: HTMLElement,\n    private readonly _linkifier2: ILinkifier2,\n    @IInstantiationService instantiationService: IInstantiationService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @IThemeService private readonly _themeService: IThemeService\n  ) {\n    super();\n    this._rowContainer = this._document.createElement('div');\n    this._rowContainer.classList.add(ROW_CONTAINER_CLASS);\n    this._rowContainer.style.lineHeight = 'normal';\n    this._rowContainer.setAttribute('aria-hidden', 'true');\n    this._refreshRowElements(this._bufferService.cols, this._bufferService.rows);\n    this._selectionContainer = this._document.createElement('div');\n    this._selectionContainer.classList.add(SELECTION_CLASS);\n    this._selectionContainer.setAttribute('aria-hidden', 'true');\n\n    this.dimensions = createRenderDimensions();\n    this._updateDimensions();\n    this.register(this._optionsService.onOptionChange(() => this._handleOptionsChanged()));\n\n    this.register(this._themeService.onChangeColors(e => this._injectCss(e)));\n    this._injectCss(this._themeService.colors);\n\n    this._rowFactory = instantiationService.createInstance(DomRendererRowFactory, document);\n\n    this._element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);\n    this._screenElement.appendChild(this._rowContainer);\n    this._screenElement.appendChild(this._selectionContainer);\n\n    this.register(this._linkifier2.onShowLinkUnderline(e => this._handleLinkHover(e)));\n    this.register(this._linkifier2.onHideLinkUnderline(e => this._handleLinkLeave(e)));\n\n    this.register(toDisposable(() => {\n      this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);\n\n      // Outside influences such as React unmounts may manipulate the DOM before our disposal.\n      // https://github.com/xtermjs/xterm.js/issues/2960\n      this._rowContainer.remove();\n      this._selectionContainer.remove();\n      this._widthCache.dispose();\n      this._themeStyleElement.remove();\n      this._dimensionsStyleElement.remove();\n    }));\n\n    this._widthCache = new WidthCache(this._document, this._helperContainer);\n    this._widthCache.setFont(\n      this._optionsService.rawOptions.fontFamily,\n      this._optionsService.rawOptions.fontSize,\n      this._optionsService.rawOptions.fontWeight,\n      this._optionsService.rawOptions.fontWeightBold\n    );\n    this._setDefaultSpacing();\n  }\n\n  private _updateDimensions(): void {\n    const dpr = this._coreBrowserService.dpr;\n    this.dimensions.device.char.width = this._charSizeService.width * dpr;\n    this.dimensions.device.char.height = Math.ceil(this._charSizeService.height * dpr);\n    this.dimensions.device.cell.width = this.dimensions.device.char.width + Math.round(this._optionsService.rawOptions.letterSpacing);\n    this.dimensions.device.cell.height = Math.floor(this.dimensions.device.char.height * this._optionsService.rawOptions.lineHeight);\n    this.dimensions.device.char.left = 0;\n    this.dimensions.device.char.top = 0;\n    this.dimensions.device.canvas.width = this.dimensions.device.cell.width * this._bufferService.cols;\n    this.dimensions.device.canvas.height = this.dimensions.device.cell.height * this._bufferService.rows;\n    this.dimensions.css.canvas.width = Math.round(this.dimensions.device.canvas.width / dpr);\n    this.dimensions.css.canvas.height = Math.round(this.dimensions.device.canvas.height / dpr);\n    this.dimensions.css.cell.width = this.dimensions.css.canvas.width / this._bufferService.cols;\n    this.dimensions.css.cell.height = this.dimensions.css.canvas.height / this._bufferService.rows;\n\n    for (const element of this._rowElements) {\n      element.style.width = `${this.dimensions.css.canvas.width}px`;\n      element.style.height = `${this.dimensions.css.cell.height}px`;\n      element.style.lineHeight = `${this.dimensions.css.cell.height}px`;\n      // Make sure rows don't overflow onto following row\n      element.style.overflow = 'hidden';\n    }\n\n    if (!this._dimensionsStyleElement) {\n      this._dimensionsStyleElement = this._document.createElement('style');\n      this._screenElement.appendChild(this._dimensionsStyleElement);\n    }\n\n    const styles =\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +\n      ` display: inline-block;` +   // TODO: find workaround for inline-block (creates ~20% render penalty)\n      ` height: 100%;` +\n      ` vertical-align: top;` +\n      `}`;\n\n    this._dimensionsStyleElement.textContent = styles;\n\n    this._selectionContainer.style.height = this._viewportElement.style.height;\n    this._screenElement.style.width = `${this.dimensions.css.canvas.width}px`;\n    this._screenElement.style.height = `${this.dimensions.css.canvas.height}px`;\n  }\n\n  private _injectCss(colors: ReadonlyColorSet): void {\n    if (!this._themeStyleElement) {\n      this._themeStyleElement = this._document.createElement('style');\n      this._screenElement.appendChild(this._themeStyleElement);\n    }\n\n    // Base CSS\n    let styles =\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +\n      ` color: ${colors.foreground.css};` +\n      ` font-family: ${this._optionsService.rawOptions.fontFamily};` +\n      ` font-size: ${this._optionsService.rawOptions.fontSize}px;` +\n      ` font-kerning: none;` +\n      ` white-space: pre` +\n      `}`;\n    styles +=\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .xterm-dim {` +\n      ` color: ${color.multiplyOpacity(colors.foreground, 0.5).css};` +\n      `}`;\n    // Text styles\n    styles +=\n      `${this._terminalSelector} span:not(.${RowCss.BOLD_CLASS}) {` +\n      ` font-weight: ${this._optionsService.rawOptions.fontWeight};` +\n      `}` +\n      `${this._terminalSelector} span.${RowCss.BOLD_CLASS} {` +\n      ` font-weight: ${this._optionsService.rawOptions.fontWeightBold};` +\n      `}` +\n      `${this._terminalSelector} span.${RowCss.ITALIC_CLASS} {` +\n      ` font-style: italic;` +\n      `}`;\n    // Blink animation\n    const blinkAnimationUnderlineId = `blink_underline_${this._terminalClass}`;\n    const blinkAnimationBarId = `blink_bar_${this._terminalClass}`;\n    const blinkAnimationBlockId = `blink_block_${this._terminalClass}`;\n    styles +=\n      `@keyframes ${blinkAnimationUnderlineId} {` +\n      ` 50% {` +\n      `  border-bottom-style: hidden;` +\n      ` }` +\n      `}`;\n    styles +=\n      `@keyframes ${blinkAnimationBarId} {` +\n      ` 50% {` +\n      `  box-shadow: none;` +\n      ` }` +\n      `}`;\n    styles +=\n      `@keyframes ${blinkAnimationBlockId} {` +\n      ` 0% {` +\n      `  background-color: ${colors.cursor.css};` +\n      `  color: ${colors.cursorAccent.css};` +\n      ` }` +\n      ` 50% {` +\n      `  background-color: inherit;` +\n      `  color: ${colors.cursor.css};` +\n      ` }` +\n      `}`;\n    // Cursor\n    styles +=\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_UNDERLINE_CLASS} {` +\n      ` animation: ${blinkAnimationUnderlineId} 1s step-end infinite;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_BAR_CLASS} {` +\n      ` animation: ${blinkAnimationBarId} 1s step-end infinite;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +\n      ` animation: ${blinkAnimationBlockId} 1s step-end infinite;` +\n      `}` +\n      // !important helps fix an issue where the cursor will not render on top of the selection,\n      // however it's very hard to fix this issue and retain the blink animation without the use of\n      // !important. So this edge case fails when cursor blink is on.\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +\n      ` background-color: ${colors.cursor.css};` +\n      ` color: ${colors.cursorAccent.css};` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS}:not(.${RowCss.CURSOR_BLINK_CLASS}) {` +\n      ` background-color: ${colors.cursor.css} !important;` +\n      ` color: ${colors.cursorAccent.css} !important;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_OUTLINE_CLASS} {` +\n      ` outline: 1px solid ${colors.cursor.css};` +\n      ` outline-offset: -1px;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BAR_CLASS} {` +\n      ` box-shadow: ${this._optionsService.rawOptions.cursorWidth}px 0 0 ${colors.cursor.css} inset;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_UNDERLINE_CLASS} {` +\n      ` border-bottom: 1px ${colors.cursor.css};` +\n      ` border-bottom-style: solid;` +\n      ` height: calc(100% - 1px);` +\n      `}`;\n    // Selection\n    styles +=\n      `${this._terminalSelector} .${SELECTION_CLASS} {` +\n      ` position: absolute;` +\n      ` top: 0;` +\n      ` left: 0;` +\n      ` z-index: 1;` +\n      ` pointer-events: none;` +\n      `}` +\n      `${this._terminalSelector}.focus .${SELECTION_CLASS} div {` +\n      ` position: absolute;` +\n      ` background-color: ${colors.selectionBackgroundOpaque.css};` +\n      `}` +\n      `${this._terminalSelector} .${SELECTION_CLASS} div {` +\n      ` position: absolute;` +\n      ` background-color: ${colors.selectionInactiveBackgroundOpaque.css};` +\n      `}`;\n    // Colors\n    for (const [i, c] of colors.ansi.entries()) {\n      styles +=\n        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +\n        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(c, 0.5).css}; }` +\n        `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;\n    }\n    styles +=\n      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${color.opaque(colors.background).css}; }` +\n      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(color.opaque(colors.background), 0.5).css}; }` +\n      `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${colors.foreground.css}; }`;\n\n    this._themeStyleElement.textContent = styles;\n  }\n\n  /**\n   * default letter spacing\n   * Due to rounding issues in dimensions dpr calc glyph might render\n   * slightly too wide or too narrow. The method corrects the stacking offsets\n   * by applying a default letter-spacing for all chars.\n   * The value gets passed to the row factory to avoid setting this value again\n   * (render speedup is roughly 10%).\n   */\n  private _setDefaultSpacing(): void {\n    // measure same char as in CharSizeService to get the base deviation\n    const spacing = this.dimensions.css.cell.width - this._widthCache.get('W', false, false);\n    this._rowContainer.style.letterSpacing = `${spacing}px`;\n    this._rowFactory.defaultSpacing = spacing;\n  }\n\n  public handleDevicePixelRatioChange(): void {\n    this._updateDimensions();\n    this._widthCache.clear();\n    this._setDefaultSpacing();\n  }\n\n  private _refreshRowElements(cols: number, rows: number): void {\n    // Add missing elements\n    for (let i = this._rowElements.length; i <= rows; i++) {\n      const row = this._document.createElement('div');\n      this._rowContainer.appendChild(row);\n      this._rowElements.push(row);\n    }\n    // Remove excess elements\n    while (this._rowElements.length > rows) {\n      this._rowContainer.removeChild(this._rowElements.pop()!);\n    }\n  }\n\n  public handleResize(cols: number, rows: number): void {\n    this._refreshRowElements(cols, rows);\n    this._updateDimensions();\n    this.handleSelectionChanged(this._selectionRenderModel.selectionStart, this._selectionRenderModel.selectionEnd, this._selectionRenderModel.columnSelectMode);\n  }\n\n  public handleCharSizeChanged(): void {\n    this._updateDimensions();\n    this._widthCache.clear();\n    this._setDefaultSpacing();\n  }\n\n  public handleBlur(): void {\n    this._rowContainer.classList.remove(FOCUS_CLASS);\n    this.renderRows(0, this._bufferService.rows - 1);\n  }\n\n  public handleFocus(): void {\n    this._rowContainer.classList.add(FOCUS_CLASS);\n    this.renderRows(this._bufferService.buffer.y, this._bufferService.buffer.y);\n  }\n\n  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {\n    // Remove all selections\n    this._selectionContainer.replaceChildren();\n    this._rowFactory.handleSelectionChanged(start, end, columnSelectMode);\n    this.renderRows(0, this._bufferService.rows - 1);\n\n    // Selection does not exist\n    if (!start || !end) {\n      return;\n    }\n\n    this._selectionRenderModel.update(this._terminal, start, end, columnSelectMode);\n\n    // Translate from buffer position to viewport position\n    const viewportStartRow = this._selectionRenderModel.viewportStartRow;\n    const viewportEndRow = this._selectionRenderModel.viewportEndRow;\n    const viewportCappedStartRow = this._selectionRenderModel.viewportCappedStartRow;\n    const viewportCappedEndRow = this._selectionRenderModel.viewportCappedEndRow;\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= this._bufferService.rows || viewportCappedEndRow < 0) {\n      return;\n    }\n\n    // Create the selections\n    const documentFragment = this._document.createDocumentFragment();\n\n    if (columnSelectMode) {\n      const isXFlipped = start[0] > end[0];\n      documentFragment.appendChild(\n        this._createSelectionElement(viewportCappedStartRow, isXFlipped ? end[0] : start[0], isXFlipped ? start[0] : end[0], viewportCappedEndRow - viewportCappedStartRow + 1)\n      );\n    } else {\n      // Draw first row\n      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n      const endCol = viewportCappedStartRow === viewportEndRow ? end[0] : this._bufferService.cols;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n      // Draw middle rows\n      const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._bufferService.cols, middleRowsCount));\n      // Draw final row\n      if (viewportCappedStartRow !== viewportCappedEndRow) {\n        // Only draw viewportEndRow if it's not the same as viewporttartRow\n        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;\n        documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n      }\n    }\n    this._selectionContainer.appendChild(documentFragment);\n  }\n\n  /**\n   * Creates a selection element at the specified position.\n   * @param row The row of the selection.\n   * @param colStart The start column.\n   * @param colEnd The end columns.\n   */\n  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n    const element = this._document.createElement('div');\n    const left = colStart * this.dimensions.css.cell.width;\n    let width = this.dimensions.css.cell.width * (colEnd - colStart);\n    if (left + width > this.dimensions.css.canvas.width) {\n      width = this.dimensions.css.canvas.width - left;\n    }\n\n    element.style.height = `${rowCount * this.dimensions.css.cell.height}px`;\n    element.style.top = `${row * this.dimensions.css.cell.height}px`;\n    element.style.left = `${left}px`;\n    element.style.width = `${width}px`;\n    return element;\n  }\n\n  public handleCursorMove(): void {\n    // No-op, the cursor is drawn when rows are drawn\n  }\n\n  private _handleOptionsChanged(): void {\n    // Force a refresh\n    this._updateDimensions();\n    // Refresh CSS\n    this._injectCss(this._themeService.colors);\n    // update spacing cache\n    this._widthCache.setFont(\n      this._optionsService.rawOptions.fontFamily,\n      this._optionsService.rawOptions.fontSize,\n      this._optionsService.rawOptions.fontWeight,\n      this._optionsService.rawOptions.fontWeightBold\n    );\n    this._setDefaultSpacing();\n  }\n\n  public clear(): void {\n    for (const e of this._rowElements) {\n      /**\n       * NOTE: This used to be `e.innerText = '';` but that doesn't work when using `jsdom` and\n       * `@testing-library/react`\n       *\n       * references:\n       * - https://github.com/testing-library/react-testing-library/issues/1146\n       * - https://github.com/jsdom/jsdom/issues/1245\n       */\n      e.replaceChildren();\n    }\n  }\n\n  public renderRows(start: number, end: number): void {\n    const buffer = this._bufferService.buffer;\n    const cursorAbsoluteY = buffer.ybase + buffer.y;\n    const cursorX = Math.min(buffer.x, this._bufferService.cols - 1);\n    const cursorBlink = this._optionsService.rawOptions.cursorBlink;\n    const cursorStyle = this._optionsService.rawOptions.cursorStyle;\n    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;\n\n    for (let y = start; y <= end; y++) {\n      const row = y + buffer.ydisp;\n      const rowElement = this._rowElements[y];\n      const lineData = buffer.lines.get(row);\n      if (!rowElement || !lineData) {\n        break;\n      }\n      rowElement.replaceChildren(\n        ...this._rowFactory.createRow(\n          lineData,\n          row,\n          row === cursorAbsoluteY,\n          cursorStyle,\n          cursorInactiveStyle,\n          cursorX,\n          cursorBlink,\n          this.dimensions.css.cell.width,\n          this._widthCache,\n          -1,\n          -1\n        )\n      );\n    }\n  }\n\n  private get _terminalSelector(): string {\n    return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;\n  }\n\n  private _handleLinkHover(e: ILinkifierEvent): void {\n    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);\n  }\n\n  private _handleLinkLeave(e: ILinkifierEvent): void {\n    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);\n  }\n\n  private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {\n    /**\n     * NOTE: The linkifier may send out of viewport y-values if:\n     * - negative y-value: the link started at a higher line\n     * - y-value >= maxY: the link ends at a line below viewport\n     *\n     * For negative y-values we can simply adjust x = 0,\n     * as higher up link start means, that everything from\n     * (0,0) is a link under top-down-left-right char progression\n     *\n     * Additionally there might be a small chance of out-of-sync x|y-values\n     * from a race condition of render updates vs. link event handler execution:\n     * - (sync) resize: chances terminal buffer in sync, schedules render update async\n     * - (async) link handler race condition: new buffer metrics, but still on old render state\n     * - (async) render update: brings term metrics and render state back in sync\n     */\n    // clip coords into viewport\n    if (y < 0) x = 0;\n    if (y2 < 0) x2 = 0;\n    const maxY = this._bufferService.rows - 1;\n    y = Math.max(Math.min(y, maxY), 0);\n    y2 = Math.max(Math.min(y2, maxY), 0);\n\n    cols = Math.min(cols, this._bufferService.cols);\n    const buffer = this._bufferService.buffer;\n    const cursorAbsoluteY = buffer.ybase + buffer.y;\n    const cursorX = Math.min(buffer.x, cols - 1);\n    const cursorBlink = this._optionsService.rawOptions.cursorBlink;\n    const cursorStyle = this._optionsService.rawOptions.cursorStyle;\n    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;\n\n    // refresh rows within link range\n    for (let i = y; i <= y2; ++i) {\n      const row = i + buffer.ydisp;\n      const rowElement = this._rowElements[i];\n      const bufferline = buffer.lines.get(row);\n      if (!rowElement || !bufferline) {\n        break;\n      }\n      rowElement.replaceChildren(\n        ...this._rowFactory.createRow(\n          bufferline,\n          row,\n          row === cursorAbsoluteY,\n          cursorStyle,\n          cursorInactiveStyle,\n          cursorX,\n          cursorBlink,\n          this.dimensions.css.cell.width,\n          this._widthCache,\n          enabled ? (i === y ? x : 0) : -1,\n          enabled ? ((i === y2 ? x2 : cols) - 1) : -1\n        )\n      );\n    }\n  }\n}\n","/**\n * Copyright (c) 2018, 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferLine, ICellData, IColor } from 'common/Types';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';\nimport { WHITESPACE_CELL_CHAR, Attributes } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';\nimport { channels, color } from 'common/Color';\nimport { ICharacterJoinerService, ICoreBrowserService, IThemeService } from 'browser/services/Services';\nimport { JoinedCellData } from 'browser/services/CharacterJoinerService';\nimport { treatGlyphAsBackgroundColor } from 'browser/renderer/shared/RendererUtils';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { WidthCache } from 'browser/renderer/dom/WidthCache';\nimport { IColorContrastCache } from 'browser/Types';\n\n\nexport const enum RowCss {\n  BOLD_CLASS = 'xterm-bold',\n  DIM_CLASS = 'xterm-dim',\n  ITALIC_CLASS = 'xterm-italic',\n  UNDERLINE_CLASS = 'xterm-underline',\n  OVERLINE_CLASS = 'xterm-overline',\n  STRIKETHROUGH_CLASS = 'xterm-strikethrough',\n  CURSOR_CLASS = 'xterm-cursor',\n  CURSOR_BLINK_CLASS = 'xterm-cursor-blink',\n  CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block',\n  CURSOR_STYLE_OUTLINE_CLASS = 'xterm-cursor-outline',\n  CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar',\n  CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline'\n}\n\n\nexport class DomRendererRowFactory {\n  private _workCell: CellData = new CellData();\n\n  private _selectionStart: [number, number] | undefined;\n  private _selectionEnd: [number, number] | undefined;\n  private _columnSelectMode: boolean = false;\n\n  public defaultSpacing = 0;\n\n  constructor(\n    private readonly _document: Document,\n    @ICharacterJoinerService private readonly _characterJoinerService: ICharacterJoinerService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @ICoreService private readonly _coreService: ICoreService,\n    @IDecorationService private readonly _decorationService: IDecorationService,\n    @IThemeService private readonly _themeService: IThemeService\n  ) {}\n\n  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {\n    this._selectionStart = start;\n    this._selectionEnd = end;\n    this._columnSelectMode = columnSelectMode;\n  }\n\n  public createRow(\n    lineData: IBufferLine,\n    row: number,\n    isCursorRow: boolean,\n    cursorStyle: string | undefined,\n    cursorInactiveStyle: string | undefined,\n    cursorX: number,\n    cursorBlink: boolean,\n    cellWidth: number,\n    widthCache: WidthCache,\n    linkStart: number,\n    linkEnd: number\n  ): HTMLSpanElement[] {\n\n    const elements: HTMLSpanElement[] = [];\n    const joinedRanges = this._characterJoinerService.getJoinedCharacters(row);\n    const colors = this._themeService.colors;\n\n    let lineLength = lineData.getNoBgTrimmedLength();\n    if (isCursorRow && lineLength < cursorX + 1) {\n      lineLength = cursorX + 1;\n    }\n\n    let charElement: HTMLSpanElement | undefined;\n    let cellAmount = 0;\n    let text = '';\n    let oldBg = 0;\n    let oldFg = 0;\n    let oldExt = 0;\n    let oldLinkHover: number | boolean = false;\n    let oldSpacing = 0;\n    let oldIsInSelection: boolean = false;\n    let spacing = 0;\n    const classes: string[] = [];\n\n    const hasHover = linkStart !== -1 && linkEnd !== -1;\n\n    for (let x = 0; x < lineLength; x++) {\n      lineData.loadCell(x, this._workCell);\n      let width = this._workCell.getWidth();\n\n      // The character to the left is a wide character, drawing is owned by the char at x-1\n      if (width === 0) {\n        continue;\n      }\n\n      // If true, indicates that the current character(s) to draw were joined.\n      let isJoined = false;\n      let lastCharX = x;\n\n      // Process any joined character ranges as needed. Because of how the\n      // ranges are produced, we know that they are valid for the characters\n      // and attributes of our input.\n      let cell = this._workCell;\n      if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {\n        isJoined = true;\n        const range = joinedRanges.shift()!;\n\n        // We already know the exact start and end column of the joined range,\n        // so we get the string and width representing it directly\n        cell = new JoinedCellData(\n          this._workCell,\n          lineData.translateToString(true, range[0], range[1]),\n          range[1] - range[0]\n        );\n\n        // Skip over the cells occupied by this range in the loop\n        lastCharX = range[1] - 1;\n\n        // Recalculate width\n        width = cell.getWidth();\n      }\n\n      const isInSelection = this._isCellInSelection(x, row);\n      const isCursorCell = isCursorRow && x === cursorX;\n      const isLinkHover = hasHover && x >= linkStart && x <= linkEnd;\n\n      let isDecorated = false;\n      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {\n        isDecorated = true;\n      });\n\n      // get chars to render for this cell\n      let chars = cell.getChars() || WHITESPACE_CELL_CHAR;\n      if (chars === ' ' && (cell.isUnderline() || cell.isOverline())) {\n        chars = '\\xa0';\n      }\n\n      // lookup char render width and calc spacing\n      spacing = width * cellWidth - widthCache.get(chars, cell.isBold(), cell.isItalic());\n\n      if (!charElement) {\n        charElement = this._document.createElement('span');\n      } else {\n        /**\n         * chars can only be merged on existing span if:\n         * - existing span only contains mergeable chars (cellAmount != 0)\n         * - bg did not change (or both are in selection)\n         * - fg did not change (or both are in selection and selection fg is set)\n         * - ext did not change\n         * - underline from hover state did not change\n         * - cell content renders to same letter-spacing\n         * - cell is not cursor\n         */\n        if (\n          cellAmount\n          && (\n            (isInSelection && oldIsInSelection)\n            || (!isInSelection && !oldIsInSelection && cell.bg === oldBg)\n          )\n          && (\n            (isInSelection && oldIsInSelection && colors.selectionForeground)\n            || cell.fg === oldFg\n          )\n          && cell.extended.ext === oldExt\n          && isLinkHover === oldLinkHover\n          && spacing === oldSpacing\n          && !isCursorCell\n          && !isJoined\n          && !isDecorated\n        ) {\n          // no span alterations, thus only account chars skipping all code below\n          if (cell.isInvisible()) {\n            text += WHITESPACE_CELL_CHAR;\n          } else {\n            text += chars;\n          }\n          cellAmount++;\n          continue;\n        } else {\n          /**\n           * cannot merge:\n           * - apply left-over text to old span\n           * - create new span, reset state holders cellAmount & text\n           */\n          if (cellAmount) {\n            charElement.textContent = text;\n          }\n          charElement = this._document.createElement('span');\n          cellAmount = 0;\n          text = '';\n        }\n      }\n      // preserve conditions for next merger eval round\n      oldBg = cell.bg;\n      oldFg = cell.fg;\n      oldExt = cell.extended.ext;\n      oldLinkHover = isLinkHover;\n      oldSpacing = spacing;\n      oldIsInSelection = isInSelection;\n\n      if (isJoined) {\n        // The DOM renderer colors the background of the cursor but for ligatures all cells are\n        // joined. The workaround here is to show a cursor around the whole ligature so it shows up,\n        // the cursor looks the same when on any character of the ligature though\n        if (cursorX >= x && cursorX <= lastCharX) {\n          cursorX = x;\n        }\n      }\n\n      if (!this._coreService.isCursorHidden && isCursorCell && this._coreService.isCursorInitialized) {\n        classes.push(RowCss.CURSOR_CLASS);\n        if (this._coreBrowserService.isFocused) {\n          if (cursorBlink) {\n            classes.push(RowCss.CURSOR_BLINK_CLASS);\n          }\n          classes.push(\n            cursorStyle === 'bar'\n              ? RowCss.CURSOR_STYLE_BAR_CLASS\n              : cursorStyle === 'underline'\n                ? RowCss.CURSOR_STYLE_UNDERLINE_CLASS\n                : RowCss.CURSOR_STYLE_BLOCK_CLASS\n          );\n        } else {\n          if (cursorInactiveStyle) {\n            switch (cursorInactiveStyle) {\n              case 'outline':\n                classes.push(RowCss.CURSOR_STYLE_OUTLINE_CLASS);\n                break;\n              case 'block':\n                classes.push(RowCss.CURSOR_STYLE_BLOCK_CLASS);\n                break;\n              case 'bar':\n                classes.push(RowCss.CURSOR_STYLE_BAR_CLASS);\n                break;\n              case 'underline':\n                classes.push(RowCss.CURSOR_STYLE_UNDERLINE_CLASS);\n                break;\n              default:\n                break;\n            }\n          }\n        }\n      }\n\n      if (cell.isBold()) {\n        classes.push(RowCss.BOLD_CLASS);\n      }\n\n      if (cell.isItalic()) {\n        classes.push(RowCss.ITALIC_CLASS);\n      }\n\n      if (cell.isDim()) {\n        classes.push(RowCss.DIM_CLASS);\n      }\n\n      if (cell.isInvisible()) {\n        text = WHITESPACE_CELL_CHAR;\n      } else {\n        text = cell.getChars() || WHITESPACE_CELL_CHAR;\n      }\n\n      if (cell.isUnderline()) {\n        classes.push(`${RowCss.UNDERLINE_CLASS}-${cell.extended.underlineStyle}`);\n        if (text === ' ') {\n          text = '\\xa0'; // = &nbsp;\n        }\n        if (!cell.isUnderlineColorDefault()) {\n          if (cell.isUnderlineColorRGB()) {\n            charElement.style.textDecorationColor = `rgb(${AttributeData.toColorRGB(cell.getUnderlineColor()).join(',')})`;\n          } else {\n            let fg = cell.getUnderlineColor();\n            if (this._optionsService.rawOptions.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {\n              fg += 8;\n            }\n            charElement.style.textDecorationColor = colors.ansi[fg].css;\n          }\n        }\n      }\n\n      if (cell.isOverline()) {\n        classes.push(RowCss.OVERLINE_CLASS);\n        if (text === ' ') {\n          text = '\\xa0'; // = &nbsp;\n        }\n      }\n\n      if (cell.isStrikethrough()) {\n        classes.push(RowCss.STRIKETHROUGH_CLASS);\n      }\n\n      // apply link hover underline late, effectively overrides any previous text-decoration\n      // settings\n      if (isLinkHover) {\n        charElement.style.textDecoration = 'underline';\n      }\n\n      let fg = cell.getFgColor();\n      let fgColorMode = cell.getFgColorMode();\n      let bg = cell.getBgColor();\n      let bgColorMode = cell.getBgColorMode();\n      const isInverse = !!cell.isInverse();\n      if (isInverse) {\n        const temp = fg;\n        fg = bg;\n        bg = temp;\n        const temp2 = fgColorMode;\n        fgColorMode = bgColorMode;\n        bgColorMode = temp2;\n      }\n\n      // Apply any decoration foreground/background overrides, this must happen after inverse has\n      // been applied\n      let bgOverride: IColor | undefined;\n      let fgOverride: IColor | undefined;\n      let isTop = false;\n      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {\n        if (d.options.layer !== 'top' && isTop) {\n          return;\n        }\n        if (d.backgroundColorRGB) {\n          bgColorMode = Attributes.CM_RGB;\n          bg = d.backgroundColorRGB.rgba >> 8 & 0xFFFFFF;\n          bgOverride = d.backgroundColorRGB;\n        }\n        if (d.foregroundColorRGB) {\n          fgColorMode = Attributes.CM_RGB;\n          fg = d.foregroundColorRGB.rgba >> 8 & 0xFFFFFF;\n          fgOverride = d.foregroundColorRGB;\n        }\n        isTop = d.options.layer === 'top';\n      });\n\n      // Apply selection\n      if (!isTop && isInSelection) {\n        // If in the selection, force the element to be above the selection to improve contrast and\n        // support opaque selections. The applies background is not actually needed here as\n        // selection is drawn in a seperate container, the main purpose of this to ensuring minimum\n        // contrast ratio\n        bgOverride = this._coreBrowserService.isFocused ? colors.selectionBackgroundOpaque : colors.selectionInactiveBackgroundOpaque;\n        bg = bgOverride.rgba >> 8 & 0xFFFFFF;\n        bgColorMode = Attributes.CM_RGB;\n        // Since an opaque selection is being rendered, the selection pretends to be a decoration to\n        // ensure text is drawn above the selection.\n        isTop = true;\n        // Apply selection foreground if applicable\n        if (colors.selectionForeground) {\n          fgColorMode = Attributes.CM_RGB;\n          fg = colors.selectionForeground.rgba >> 8 & 0xFFFFFF;\n          fgOverride = colors.selectionForeground;\n        }\n      }\n\n      // If it's a top decoration, render above the selection\n      if (isTop) {\n        classes.push('xterm-decoration-top');\n      }\n\n      // Background\n      let resolvedBg: IColor;\n      switch (bgColorMode) {\n        case Attributes.CM_P16:\n        case Attributes.CM_P256:\n          resolvedBg = colors.ansi[bg];\n          classes.push(`xterm-bg-${bg}`);\n          break;\n        case Attributes.CM_RGB:\n          resolvedBg = channels.toColor(bg >> 16, bg >> 8 & 0xFF, bg & 0xFF);\n          this._addStyle(charElement, `background-color:#${padStart((bg >>> 0).toString(16), '0', 6)}`);\n          break;\n        case Attributes.CM_DEFAULT:\n        default:\n          if (isInverse) {\n            resolvedBg = colors.foreground;\n            classes.push(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);\n          } else {\n            resolvedBg = colors.background;\n          }\n      }\n\n      // If there is no background override by now it's the original color, so apply dim if needed\n      if (!bgOverride) {\n        if (cell.isDim()) {\n          bgOverride = color.multiplyOpacity(resolvedBg, 0.5);\n        }\n      }\n\n      // Foreground\n      switch (fgColorMode) {\n        case Attributes.CM_P16:\n        case Attributes.CM_P256:\n          if (cell.isBold() && fg < 8 && this._optionsService.rawOptions.drawBoldTextInBrightColors) {\n            fg += 8;\n          }\n          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.ansi[fg], cell, bgOverride, undefined)) {\n            classes.push(`xterm-fg-${fg}`);\n          }\n          break;\n        case Attributes.CM_RGB:\n          const color = channels.toColor(\n            (fg >> 16) & 0xFF,\n            (fg >>  8) & 0xFF,\n            (fg      ) & 0xFF\n          );\n          if (!this._applyMinimumContrast(charElement, resolvedBg, color, cell, bgOverride, fgOverride)) {\n            this._addStyle(charElement, `color:#${padStart(fg.toString(16), '0', 6)}`);\n          }\n          break;\n        case Attributes.CM_DEFAULT:\n        default:\n          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.foreground, cell, bgOverride, fgOverride)) {\n            if (isInverse) {\n              classes.push(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);\n            }\n          }\n      }\n\n      // apply CSS classes\n      // slightly faster than using classList by omitting\n      // checks for doubled entries (code above should not have doublets)\n      if (classes.length) {\n        charElement.className = classes.join(' ');\n        classes.length = 0;\n      }\n\n      // exclude conditions for cell merging - never merge these\n      if (!isCursorCell && !isJoined && !isDecorated) {\n        cellAmount++;\n      } else {\n        charElement.textContent = text;\n      }\n      // apply letter-spacing rule\n      if (spacing !== this.defaultSpacing) {\n        charElement.style.letterSpacing = `${spacing}px`;\n      }\n\n      elements.push(charElement);\n      x = lastCharX;\n    }\n\n    // postfix text of last merged span\n    if (charElement && cellAmount) {\n      charElement.textContent = text;\n    }\n\n    return elements;\n  }\n\n  private _applyMinimumContrast(element: HTMLElement, bg: IColor, fg: IColor, cell: ICellData, bgOverride: IColor | undefined, fgOverride: IColor | undefined): boolean {\n    if (this._optionsService.rawOptions.minimumContrastRatio === 1 || treatGlyphAsBackgroundColor(cell.getCode())) {\n      return false;\n    }\n\n    // Try get from cache first, only use the cache when there are no decoration overrides\n    const cache = this._getContrastCache(cell);\n    let adjustedColor: IColor | undefined | null = undefined;\n    if (!bgOverride && !fgOverride) {\n      adjustedColor = cache.getColor(bg.rgba, fg.rgba);\n    }\n\n    // Calculate and store in cache\n    if (adjustedColor === undefined) {\n      // Dim cells only require half the contrast, otherwise they wouldn't be distinguishable from\n      // non-dim cells\n      const ratio = this._optionsService.rawOptions.minimumContrastRatio / (cell.isDim() ? 2 : 1);\n      adjustedColor = color.ensureContrastRatio(bgOverride || bg, fgOverride || fg, ratio);\n      cache.setColor((bgOverride || bg).rgba, (fgOverride || fg).rgba, adjustedColor ?? null);\n    }\n\n    if (adjustedColor) {\n      this._addStyle(element, `color:${adjustedColor.css}`);\n      return true;\n    }\n\n    return false;\n  }\n\n  private _getContrastCache(cell: ICellData): IColorContrastCache {\n    if (cell.isDim()) {\n      return this._themeService.colors.halfContrastCache;\n    }\n    return this._themeService.colors.contrastCache;\n  }\n\n  private _addStyle(element: HTMLElement, style: string): void {\n    element.setAttribute('style', `${element.getAttribute('style') || ''}${style};`);\n  }\n\n  private _isCellInSelection(x: number, y: number): boolean {\n    const start = this._selectionStart;\n    const end = this._selectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    if (this._columnSelectMode) {\n      if (start[0] <= end[0]) {\n        return x >= start[0] && y >= start[1] &&\n          x < end[0] && y <= end[1];\n      }\n      return x < start[0] && y >= start[1] &&\n        x >= end[0] && y <= end[1];\n    }\n    return (y > start[1] && y < end[1]) ||\n        (start[1] === end[1] && y === start[1] && x >= start[0] && x < end[0]) ||\n        (start[1] < end[1] && y === end[1] && x < end[0]) ||\n        (start[1] < end[1] && y === start[1] && x >= start[0]);\n  }\n}\n\nfunction padStart(text: string, padChar: string, length: number): string {\n  while (text.length < length) {\n    text = padChar + text;\n  }\n  return text;\n}\n","/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\nimport { FontWeight } from 'common/services/Services';\n\n\nexport const enum WidthCacheSettings {\n  /** sentinel for unset values in flat cache */\n  FLAT_UNSET = -9999,\n  /** size of flat cache, size-1 equals highest codepoint handled by flat */\n  FLAT_SIZE = 256,\n  /** char repeat for measuring */\n  REPEAT = 32\n}\n\n\nconst enum FontVariant {\n  REGULAR = 0,\n  BOLD = 1,\n  ITALIC = 2,\n  BOLD_ITALIC = 3\n}\n\n\nexport class WidthCache implements IDisposable {\n  // flat cache for regular variant up to CacheSettings.FLAT_SIZE\n  // NOTE: ~4x faster access than holey (serving >>80% of terminal content)\n  //       It has a small memory footprint (only 1MB for full BMP caching),\n  //       still the sweet spot is not reached before touching 32k different codepoints,\n  //       thus we store the remaining <<20% of terminal data in a holey structure.\n  protected _flat = new Float32Array(WidthCacheSettings.FLAT_SIZE);\n\n  // holey cache for bold, italic and bold&italic for any string\n  // FIXME: can grow really big over time (~8.5 MB for full BMP caching),\n  //        so a shared API across terminals is needed\n  protected _holey: Map<string, number> | undefined;\n\n  private _font = '';\n  private _fontSize = 0;\n  private _weight: FontWeight = 'normal';\n  private _weightBold: FontWeight = 'bold';\n  private _container: HTMLDivElement;\n  private _measureElements: HTMLSpanElement[] = [];\n\n  constructor(_document: Document, _helperContainer: HTMLElement) {\n    this._container = _document.createElement('div');\n    this._container.classList.add('xterm-width-cache-measure-container');\n    this._container.setAttribute('aria-hidden', 'true');\n    // SP should stack in spans\n    this._container.style.whiteSpace = 'pre';\n    // avoid undercuts in non-monospace fonts from kerning\n    this._container.style.fontKerning = 'none';\n\n    const regular = _document.createElement('span');\n    regular.classList.add('xterm-char-measure-element');\n\n    const bold = _document.createElement('span');\n    bold.classList.add('xterm-char-measure-element');\n    bold.style.fontWeight = 'bold';\n\n    const italic = _document.createElement('span');\n    italic.classList.add('xterm-char-measure-element');\n    italic.style.fontStyle = 'italic';\n\n    const boldItalic = _document.createElement('span');\n    boldItalic.classList.add('xterm-char-measure-element');\n    boldItalic.style.fontWeight = 'bold';\n    boldItalic.style.fontStyle = 'italic';\n\n    // NOTE: must be in order of FontVariant\n    this._measureElements = [regular, bold, italic, boldItalic];\n    this._container.appendChild(regular);\n    this._container.appendChild(bold);\n    this._container.appendChild(italic);\n    this._container.appendChild(boldItalic);\n\n    _helperContainer.appendChild(this._container);\n\n    this.clear();\n  }\n\n  public dispose(): void {\n    this._container.remove();           // remove elements from DOM\n    this._measureElements.length = 0;   // release element refs\n    this._holey = undefined;            // free cache memory via GC\n  }\n\n  /**\n   * Clear the width cache.\n   */\n  public clear(): void {\n    this._flat.fill(WidthCacheSettings.FLAT_UNSET);\n    // .clear() has some overhead, re-assign instead (>3 times faster)\n    this._holey = new Map<string, number>();\n  }\n\n  /**\n   * Set the font for measuring.\n   * Must be called for any changes on font settings.\n   * Also clears the cache.\n   */\n  public setFont(font: string, fontSize: number, weight: FontWeight, weightBold: FontWeight): void {\n    // skip if nothing changed\n    if (font === this._font\n      && fontSize === this._fontSize\n      && weight === this._weight\n      && weightBold === this._weightBold\n    ) {\n      return;\n    }\n\n    this._font = font;\n    this._fontSize = fontSize;\n    this._weight = weight;\n    this._weightBold = weightBold;\n\n    this._container.style.fontFamily = this._font;\n    this._container.style.fontSize = `${this._fontSize}px`;\n    this._measureElements[FontVariant.REGULAR].style.fontWeight = `${weight}`;\n    this._measureElements[FontVariant.BOLD].style.fontWeight = `${weightBold}`;\n    this._measureElements[FontVariant.ITALIC].style.fontWeight = `${weight}`;\n    this._measureElements[FontVariant.BOLD_ITALIC].style.fontWeight = `${weightBold}`;\n\n    this.clear();\n  }\n\n  /**\n   * Get the render width for cell content `c` with current font settings.\n   * `variant` denotes the font variant to be used.\n   */\n  public get(c: string, bold: boolean | number, italic: boolean | number): number {\n    let cp = 0;\n    if (!bold && !italic && c.length === 1 && (cp = c.charCodeAt(0)) < WidthCacheSettings.FLAT_SIZE) {\n      if (this._flat[cp] !== WidthCacheSettings.FLAT_UNSET) {\n        return this._flat[cp];\n      }\n      const width = this._measure(c, 0);\n      if (width > 0) {\n        this._flat[cp] = width;\n      }\n      return width;\n    }\n    let key = c;\n    if (bold) key += 'B';\n    if (italic) key += 'I';\n    let width = this._holey!.get(key);\n    if (width === undefined) {\n      let variant = 0;\n      if (bold) variant |= FontVariant.BOLD;\n      if (italic) variant |= FontVariant.ITALIC;\n      width = this._measure(c, variant);\n      if (width > 0) {\n        this._holey!.set(key, width);\n      }\n    }\n    return width;\n  }\n\n  protected _measure(c: string, variant: FontVariant): number {\n    const el = this._measureElements[variant];\n    el.textContent = c.repeat(WidthCacheSettings.REPEAT);\n    return el.offsetWidth / WidthCacheSettings.REPEAT;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { isFirefox, isLegacyEdge } from 'common/Platform';\n\nexport const INVERTED_DEFAULT_COLOR = 257;\n\nexport const DIM_OPACITY = 0.5;\n// The text baseline is set conditionally by browser. Using 'ideographic' for Firefox or Legacy Edge\n// would result in truncated text (Issue 3353). Using 'bottom' for Chrome would result in slightly\n// unaligned Powerline fonts (PR 3356#issuecomment-850928179).\nexport const TEXT_BASELINE: CanvasTextBaseline = isFirefox || isLegacyEdge ? 'bottom' : 'ideographic';\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDimensions, IRenderDimensions } from 'browser/renderer/shared/Types';\n\nexport function throwIfFalsy<T>(value: T | undefined | null): T {\n  if (!value) {\n    throw new Error('value must not be falsy');\n  }\n  return value;\n}\n\nexport function isPowerlineGlyph(codepoint: number): boolean {\n  // Only return true for Powerline symbols which require\n  // different padding and should be excluded from minimum contrast\n  // ratio standards\n  return 0xE0A4 <= codepoint && codepoint <= 0xE0D6;\n}\n\nexport function isRestrictedPowerlineGlyph(codepoint: number): boolean {\n  return 0xE0B0 <= codepoint && codepoint <= 0xE0B7;\n}\n\nfunction isNerdFontGlyph(codepoint: number): boolean {\n  return 0xE000 <= codepoint && codepoint <= 0xF8FF;\n}\n\nfunction isBoxOrBlockGlyph(codepoint: number): boolean {\n  return 0x2500 <= codepoint && codepoint <= 0x259F;\n}\n\nexport function isEmoji(codepoint: number): boolean {\n  return (\n    codepoint >= 0x1F600 && codepoint <= 0x1F64F || // Emoticons\n    codepoint >= 0x1F300 && codepoint <= 0x1F5FF || // Misc Symbols and Pictographs\n    codepoint >= 0x1F680 && codepoint <= 0x1F6FF || // Transport and Map\n    codepoint >= 0x2600  && codepoint <= 0x26FF  || // Misc symbols\n    codepoint >= 0x2700  && codepoint <= 0x27BF  || // Dingbats\n    codepoint >= 0xFE00  && codepoint <= 0xFE0F  || // Variation Selectors\n    codepoint >= 0x1F900 && codepoint <= 0x1F9FF || // Supplemental Symbols and Pictographs\n    codepoint >= 0x1F1E6 && codepoint <= 0x1F1FF\n  );\n}\n\nexport function allowRescaling(codepoint: number | undefined, width: number, glyphSizeX: number, deviceCellWidth: number): boolean {\n  return (\n    // Is single cell width\n    width === 1 &&\n    // Glyph exceeds cell bounds, add 50% to avoid hurting readability by rescaling glyphs that\n    // barely overlap\n    glyphSizeX > Math.ceil(deviceCellWidth * 1.5) &&\n    // Never rescale ascii\n    codepoint !== undefined && codepoint > 0xFF &&\n    // Never rescale emoji\n    !isEmoji(codepoint) &&\n    // Never rescale powerline or nerd fonts\n    !isPowerlineGlyph(codepoint) && !isNerdFontGlyph(codepoint)\n  );\n}\n\nexport function treatGlyphAsBackgroundColor(codepoint: number): boolean {\n  return isPowerlineGlyph(codepoint) || isBoxOrBlockGlyph(codepoint);\n}\n\nexport function createRenderDimensions(): IRenderDimensions {\n  return {\n    css: {\n      canvas: createDimension(),\n      cell: createDimension()\n    },\n    device: {\n      canvas: createDimension(),\n      cell: createDimension(),\n      char: {\n        width: 0,\n        height: 0,\n        left: 0,\n        top: 0\n      }\n    }\n  };\n}\n\nfunction createDimension(): IDimensions {\n  return {\n    width: 0,\n    height: 0\n  };\n}\n\nexport function computeNextVariantOffset(cellWidth: number, lineWidth: number, currentOffset: number = 0): number {\n  return (cellWidth - (Math.round(lineWidth) * 2 - currentOffset)) % (Math.round(lineWidth) * 2);\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from 'browser/Types';\nimport { ISelectionRenderModel } from 'browser/renderer/shared/Types';\nimport { Terminal } from '@xterm/xterm';\n\nclass SelectionRenderModel implements ISelectionRenderModel {\n  public hasSelection!: boolean;\n  public columnSelectMode!: boolean;\n  public viewportStartRow!: number;\n  public viewportEndRow!: number;\n  public viewportCappedStartRow!: number;\n  public viewportCappedEndRow!: number;\n  public startCol!: number;\n  public endCol!: number;\n  public selectionStart: [number, number] | undefined;\n  public selectionEnd: [number, number] | undefined;\n\n  constructor() {\n    this.clear();\n  }\n\n  public clear(): void {\n    this.hasSelection = false;\n    this.columnSelectMode = false;\n    this.viewportStartRow = 0;\n    this.viewportEndRow = 0;\n    this.viewportCappedStartRow = 0;\n    this.viewportCappedEndRow = 0;\n    this.startCol = 0;\n    this.endCol = 0;\n    this.selectionStart = undefined;\n    this.selectionEnd = undefined;\n  }\n\n  public update(terminal: ITerminal, start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean = false): void {\n    this.selectionStart = start;\n    this.selectionEnd = end;\n    // Selection does not exist\n    if (!start || !end || (start[0] === end[0] && start[1] === end[1])) {\n      this.clear();\n      return;\n    }\n\n    // Translate from buffer position to viewport position\n    const viewportY = terminal.buffers.active.ydisp;\n    const viewportStartRow = start[1] - viewportY;\n    const viewportEndRow = end[1] - viewportY;\n    const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n    const viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {\n      this.clear();\n      return;\n    }\n\n    this.hasSelection = true;\n    this.columnSelectMode = columnSelectMode;\n    this.viewportStartRow = viewportStartRow;\n    this.viewportEndRow = viewportEndRow;\n    this.viewportCappedStartRow = viewportCappedStartRow;\n    this.viewportCappedEndRow = viewportCappedEndRow;\n    this.startCol = start[0];\n    this.endCol = end[0];\n  }\n\n  public isCellSelected(terminal: Terminal, x: number, y: number): boolean {\n    if (!this.hasSelection) {\n      return false;\n    }\n    y -= terminal.buffer.active.viewportY;\n    if (this.columnSelectMode) {\n      if (this.startCol <= this.endCol) {\n        return x >= this.startCol && y >= this.viewportCappedStartRow &&\n          x < this.endCol && y <= this.viewportCappedEndRow;\n      }\n      return x < this.startCol && y >= this.viewportCappedStartRow &&\n        x >= this.endCol && y <= this.viewportCappedEndRow;\n    }\n    return (y > this.viewportStartRow && y < this.viewportEndRow) ||\n      (this.viewportStartRow === this.viewportEndRow && y === this.viewportStartRow && x >= this.startCol && x < this.endCol) ||\n      (this.viewportStartRow < this.viewportEndRow && y === this.viewportEndRow && x < this.endCol) ||\n      (this.viewportStartRow < this.viewportEndRow && y === this.viewportStartRow && x >= this.startCol);\n  }\n}\n\nexport function createSelectionRenderModel(): ISelectionRenderModel {\n  return new SelectionRenderModel();\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferService } from 'common/services/Services';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n  /**\n   * Whether select all is currently active.\n   */\n  public isSelectAllActive: boolean = false;\n\n  /**\n   * The minimal length of the selection from the start position. When double\n   * clicking on a word, the word will be selected which makes the selection\n   * start at the start of the word and makes this variable the length.\n   */\n  public selectionStartLength: number = 0;\n\n  /**\n   * The [x, y] position the selection starts at.\n   */\n  public selectionStart: [number, number] | undefined;\n\n  /**\n   * The [x, y] position the selection ends at.\n   */\n  public selectionEnd: [number, number] | undefined;\n\n  constructor(\n    private _bufferService: IBufferService\n  ) {\n  }\n\n  /**\n   * Clears the current selection.\n   */\n  public clearSelection(): void {\n    this.selectionStart = undefined;\n    this.selectionEnd = undefined;\n    this.isSelectAllActive = false;\n    this.selectionStartLength = 0;\n  }\n\n  /**\n   * The final selection start, taking into consideration select all.\n   */\n  public get finalSelectionStart(): [number, number] | undefined {\n    if (this.isSelectAllActive) {\n      return [0, 0];\n    }\n\n    if (!this.selectionEnd || !this.selectionStart) {\n      return this.selectionStart;\n    }\n\n    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n  }\n\n  /**\n   * The final selection end, taking into consideration select all, double click\n   * word selection and triple click line selection.\n   */\n  public get finalSelectionEnd(): [number, number] | undefined {\n    if (this.isSelectAllActive) {\n      return [this._bufferService.cols, this._bufferService.buffer.ybase + this._bufferService.rows - 1];\n    }\n\n    if (!this.selectionStart) {\n      return undefined;\n    }\n\n    // Use the selection start + length if the end doesn't exist or they're reversed\n    if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n      const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n      if (startPlusLength > this._bufferService.cols) {\n        // Ensure the trailing EOL isn't included when the selection ends on the right edge\n        if (startPlusLength % this._bufferService.cols === 0) {\n          return [this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols) - 1];\n        }\n        return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];\n      }\n      return [startPlusLength, this.selectionStart[1]];\n    }\n\n    // Ensure the the word/line is selected after a double/triple click\n    if (this.selectionStartLength) {\n      // Select the larger of the two when start and end are on the same line\n      if (this.selectionEnd[1] === this.selectionStart[1]) {\n        // Keep the whole wrapped word/line selected if the content wraps multiple lines\n        const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n        if (startPlusLength > this._bufferService.cols) {\n          return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];\n        }\n        return [Math.max(startPlusLength, this.selectionEnd[0]), this.selectionEnd[1]];\n      }\n    }\n    return this.selectionEnd;\n  }\n\n  /**\n   * Returns whether the selection start and end are reversed.\n   */\n  public areSelectionValuesReversed(): boolean {\n    const start = this.selectionStart;\n    const end = this.selectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   * @returns Whether a refresh is necessary.\n   */\n  public handleTrim(amount: number): boolean {\n    // Adjust the selection position based on the trimmed amount.\n    if (this.selectionStart) {\n      this.selectionStart[1] -= amount;\n    }\n    if (this.selectionEnd) {\n      this.selectionEnd[1] -= amount;\n    }\n\n    // The selection has moved off the buffer, clear it.\n    if (this.selectionEnd && this.selectionEnd[1] < 0) {\n      this.clearSelection();\n      return true;\n    }\n\n    // If the selection start is trimmed, ensure the start column is 0.\n    if (this.selectionStart && this.selectionStart[1] < 0) {\n      this.selectionStart[1] = 0;\n    }\n    return false;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOptionsService } from 'common/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { ICharSizeService } from 'browser/services/Services';\nimport { Disposable } from 'common/Lifecycle';\n\nexport class CharSizeService extends Disposable implements ICharSizeService {\n  public serviceBrand: undefined;\n\n  public width: number = 0;\n  public height: number = 0;\n  private _measureStrategy: IMeasureStrategy;\n\n  public get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }\n\n  private readonly _onCharSizeChange = this.register(new EventEmitter<void>());\n  public readonly onCharSizeChange = this._onCharSizeChange.event;\n\n  constructor(\n    document: Document,\n    parentElement: HTMLElement,\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n    try {\n      this._measureStrategy = this.register(new TextMetricsMeasureStrategy(this._optionsService));\n    } catch {\n      this._measureStrategy = this.register(new DomMeasureStrategy(document, parentElement, this._optionsService));\n    }\n    this.register(this._optionsService.onMultipleOptionChange(['fontFamily', 'fontSize'], () => this.measure()));\n  }\n\n  public measure(): void {\n    const result = this._measureStrategy.measure();\n    if (result.width !== this.width || result.height !== this.height) {\n      this.width = result.width;\n      this.height = result.height;\n      this._onCharSizeChange.fire();\n    }\n  }\n}\n\ninterface IMeasureStrategy {\n  measure(): Readonly<IMeasureResult>;\n}\n\ninterface IMeasureResult {\n  width: number;\n  height: number;\n}\n\nconst enum DomMeasureStrategyConstants {\n  REPEAT = 32\n}\n\nabstract class BaseMeasureStategy extends Disposable implements IMeasureStrategy {\n  protected _result: IMeasureResult = { width: 0, height: 0 };\n\n  protected _validateAndSet(width: number | undefined, height: number | undefined): void {\n    // If values are 0 then the element is likely currently display:none, in which case we should\n    // retain the previous value.\n    if (width !== undefined && width > 0 && height !== undefined && height > 0) {\n      this._result.width = width;\n      this._result.height = height;\n    }\n  }\n\n  public abstract measure(): Readonly<IMeasureResult>;\n}\n\nclass DomMeasureStrategy extends BaseMeasureStategy {\n  private _measureElement: HTMLElement;\n\n  constructor(\n    private _document: Document,\n    private _parentElement: HTMLElement,\n    private _optionsService: IOptionsService\n  ) {\n    super();\n    this._measureElement = this._document.createElement('span');\n    this._measureElement.classList.add('xterm-char-measure-element');\n    this._measureElement.textContent = 'W'.repeat(DomMeasureStrategyConstants.REPEAT);\n    this._measureElement.setAttribute('aria-hidden', 'true');\n    this._measureElement.style.whiteSpace = 'pre';\n    this._measureElement.style.fontKerning = 'none';\n    this._parentElement.appendChild(this._measureElement);\n  }\n\n  public measure(): Readonly<IMeasureResult> {\n    this._measureElement.style.fontFamily = this._optionsService.rawOptions.fontFamily;\n    this._measureElement.style.fontSize = `${this._optionsService.rawOptions.fontSize}px`;\n\n    // Note that this triggers a synchronous layout\n    this._validateAndSet(Number(this._measureElement.offsetWidth) / DomMeasureStrategyConstants.REPEAT, Number(this._measureElement.offsetHeight));\n\n    return this._result;\n  }\n}\n\nclass TextMetricsMeasureStrategy extends BaseMeasureStategy {\n  private _canvas: OffscreenCanvas;\n  private _ctx: OffscreenCanvasRenderingContext2D;\n\n  constructor(\n    private _optionsService: IOptionsService\n  ) {\n    super();\n    // This will throw if any required API is not supported\n    this._canvas = new OffscreenCanvas(100, 100);\n    this._ctx = this._canvas.getContext('2d')!;\n    const a = this._ctx.measureText('W');\n    if (!('width' in a && 'fontBoundingBoxAscent' in a && 'fontBoundingBoxDescent' in a)) {\n      throw new Error('Required font metrics not supported');\n    }\n  }\n\n  public measure(): Readonly<IMeasureResult> {\n    this._ctx.font = `${this._optionsService.rawOptions.fontSize}px ${this._optionsService.rawOptions.fontFamily}`;\n    const metrics = this._ctx.measureText('W');\n    this._validateAndSet(metrics.width, metrics.fontBoundingBoxAscent + metrics.fontBoundingBoxDescent);\n    return this._result;\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferLine, ICellData, CharData } from 'common/Types';\nimport { ICharacterJoiner } from 'browser/Types';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { WHITESPACE_CELL_CHAR, Content } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferService } from 'common/services/Services';\nimport { ICharacterJoinerService } from 'browser/services/Services';\n\nexport class JoinedCellData extends AttributeData implements ICellData {\n  private _width: number;\n  // .content carries no meaning for joined CellData, simply nullify it\n  // thus we have to overload all other .content accessors\n  public content: number = 0;\n  public fg: number;\n  public bg: number;\n  public combinedData: string = '';\n\n  constructor(firstCell: ICellData, chars: string, width: number) {\n    super();\n    this.fg = firstCell.fg;\n    this.bg = firstCell.bg;\n    this.combinedData = chars;\n    this._width = width;\n  }\n\n  public isCombined(): number {\n    // always mark joined cell data as combined\n    return Content.IS_COMBINED_MASK;\n  }\n\n  public getWidth(): number {\n    return this._width;\n  }\n\n  public getChars(): string {\n    return this.combinedData;\n  }\n\n  public getCode(): number {\n    // code always gets the highest possible fake codepoint (read as -1)\n    // this is needed as code is used by caches as identifier\n    return 0x1FFFFF;\n  }\n\n  public setFromCharData(value: CharData): void {\n    throw new Error('not implemented');\n  }\n\n  public getAsCharData(): CharData {\n    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n  }\n}\n\nexport class CharacterJoinerService implements ICharacterJoinerService {\n  public serviceBrand: undefined;\n\n  private _characterJoiners: ICharacterJoiner[] = [];\n  private _nextCharacterJoinerId: number = 0;\n  private _workCell: CellData = new CellData();\n\n  constructor(\n    @IBufferService private _bufferService: IBufferService\n  ) { }\n\n  public register(handler: (text: string) => [number, number][]): number {\n    const joiner: ICharacterJoiner = {\n      id: this._nextCharacterJoinerId++,\n      handler\n    };\n\n    this._characterJoiners.push(joiner);\n    return joiner.id;\n  }\n\n  public deregister(joinerId: number): boolean {\n    for (let i = 0; i < this._characterJoiners.length; i++) {\n      if (this._characterJoiners[i].id === joinerId) {\n        this._characterJoiners.splice(i, 1);\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  public getJoinedCharacters(row: number): [number, number][] {\n    if (this._characterJoiners.length === 0) {\n      return [];\n    }\n\n    const line = this._bufferService.buffer.lines.get(row);\n    if (!line || line.length === 0) {\n      return [];\n    }\n\n    const ranges: [number, number][] = [];\n    const lineStr = line.translateToString(true);\n\n    // Because some cells can be represented by multiple javascript characters,\n    // we track the cell and the string indexes separately. This allows us to\n    // translate the string ranges we get from the joiners back into cell ranges\n    // for use when rendering\n    let rangeStartColumn = 0;\n    let currentStringIndex = 0;\n    let rangeStartStringIndex = 0;\n    let rangeAttrFG = line.getFg(0);\n    let rangeAttrBG = line.getBg(0);\n\n    for (let x = 0; x < line.getTrimmedLength(); x++) {\n      line.loadCell(x, this._workCell);\n\n      if (this._workCell.getWidth() === 0) {\n        // If this character is of width 0, skip it.\n        continue;\n      }\n\n      // End of range\n      if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {\n        // If we ended up with a sequence of more than one character,\n        // look for ranges to join.\n        if (x - rangeStartColumn > 1) {\n          const joinedRanges = this._getJoinedRanges(\n            lineStr,\n            rangeStartStringIndex,\n            currentStringIndex,\n            line,\n            rangeStartColumn\n          );\n          for (let i = 0; i < joinedRanges.length; i++) {\n            ranges.push(joinedRanges[i]);\n          }\n        }\n\n        // Reset our markers for a new range.\n        rangeStartColumn = x;\n        rangeStartStringIndex = currentStringIndex;\n        rangeAttrFG = this._workCell.fg;\n        rangeAttrBG = this._workCell.bg;\n      }\n\n      currentStringIndex += this._workCell.getChars().length || WHITESPACE_CELL_CHAR.length;\n    }\n\n    // Process any trailing ranges.\n    if (this._bufferService.cols - rangeStartColumn > 1) {\n      const joinedRanges = this._getJoinedRanges(\n        lineStr,\n        rangeStartStringIndex,\n        currentStringIndex,\n        line,\n        rangeStartColumn\n      );\n      for (let i = 0; i < joinedRanges.length; i++) {\n        ranges.push(joinedRanges[i]);\n      }\n    }\n\n    return ranges;\n  }\n\n  /**\n   * Given a segment of a line of text, find all ranges of text that should be\n   * joined in a single rendering unit. Ranges are internally converted to\n   * column ranges, rather than string ranges.\n   * @param line String representation of the full line of text\n   * @param startIndex Start position of the range to search in the string (inclusive)\n   * @param endIndex End position of the range to search in the string (exclusive)\n   */\n  private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {\n    const text = line.substring(startIndex, endIndex);\n    // At this point we already know that there is at least one joiner so\n    // we can just pull its value and assign it directly rather than\n    // merging it into an empty array, which incurs unnecessary writes.\n    let allJoinedRanges: [number, number][] = [];\n    try {\n      allJoinedRanges = this._characterJoiners[0].handler(text);\n    } catch (error) {\n      console.error(error);\n    }\n    for (let i = 1; i < this._characterJoiners.length; i++) {\n      // We merge any overlapping ranges across the different joiners\n      try {\n        const joinerRanges = this._characterJoiners[i].handler(text);\n        for (let j = 0; j < joinerRanges.length; j++) {\n          CharacterJoinerService._mergeRanges(allJoinedRanges, joinerRanges[j]);\n        }\n      } catch (error) {\n        console.error(error);\n      }\n    }\n    this._stringRangesToCellRanges(allJoinedRanges, lineData, startCol);\n    return allJoinedRanges;\n  }\n\n  /**\n   * Modifies the provided ranges in-place to adjust for variations between\n   * string length and cell width so that the range represents a cell range,\n   * rather than the string range the joiner provides.\n   * @param ranges String ranges containing start (inclusive) and end (exclusive) index\n   * @param line Cell data for the relevant line in the terminal\n   * @param startCol Offset within the line to start from\n   */\n  private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {\n    let currentRangeIndex = 0;\n    let currentRangeStarted = false;\n    let currentStringIndex = 0;\n    let currentRange = ranges[currentRangeIndex];\n\n    // If we got through all of the ranges, stop searching\n    if (!currentRange) {\n      return;\n    }\n\n    for (let x = startCol; x < this._bufferService.cols; x++) {\n      const width = line.getWidth(x);\n      const length = line.getString(x).length || WHITESPACE_CELL_CHAR.length;\n\n      // We skip zero-width characters when creating the string to join the text\n      // so we do the same here\n      if (width === 0) {\n        continue;\n      }\n\n      // Adjust the start of the range\n      if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {\n        currentRange[0] = x;\n        currentRangeStarted = true;\n      }\n\n      // Adjust the end of the range\n      if (currentRange[1] <= currentStringIndex) {\n        currentRange[1] = x;\n\n        // We're finished with this range, so we move to the next one\n        currentRange = ranges[++currentRangeIndex];\n\n        // If there are no more ranges left, stop searching\n        if (!currentRange) {\n          break;\n        }\n\n        // Ranges can be on adjacent characters. Because the end index of the\n        // ranges are exclusive, this means that the index for the start of a\n        // range can be the same as the end index of the previous range. To\n        // account for the start of the next range, we check here just in case.\n        if (currentRange[0] <= currentStringIndex) {\n          currentRange[0] = x;\n          currentRangeStarted = true;\n        } else {\n          currentRangeStarted = false;\n        }\n      }\n\n      // Adjust the string index based on the character length to line up with\n      // the column adjustment\n      currentStringIndex += length;\n    }\n\n    // If there is still a range left at the end, it must extend all the way to\n    // the end of the line.\n    if (currentRange) {\n      currentRange[1] = this._bufferService.cols;\n    }\n  }\n\n  /**\n   * Merges the range defined by the provided start and end into the list of\n   * existing ranges. The merge is done in place on the existing range for\n   * performance and is also returned.\n   * @param ranges Existing range list\n   * @param newRange Tuple of two numbers representing the new range to merge in.\n   * @returns The ranges input with the new range merged in place\n   */\n  private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {\n    let inRange = false;\n    for (let i = 0; i < ranges.length; i++) {\n      const range = ranges[i];\n      if (!inRange) {\n        if (newRange[1] <= range[0]) {\n          // Case 1: New range is before the search range\n          ranges.splice(i, 0, newRange);\n          return ranges;\n        }\n\n        if (newRange[1] <= range[1]) {\n          // Case 2: New range is either wholly contained within the\n          // search range or overlaps with the front of it\n          range[0] = Math.min(newRange[0], range[0]);\n          return ranges;\n        }\n\n        if (newRange[0] < range[1]) {\n          // Case 3: New range either wholly contains the search range\n          // or overlaps with the end of it\n          range[0] = Math.min(newRange[0], range[0]);\n          inRange = true;\n        }\n\n        // Case 4: New range starts after the search range\n        continue;\n      } else {\n        if (newRange[1] <= range[0]) {\n          // Case 5: New range extends from previous range but doesn't\n          // reach the current one\n          ranges[i - 1][1] = newRange[1];\n          return ranges;\n        }\n\n        if (newRange[1] <= range[1]) {\n          // Case 6: New range extends from prvious range into the\n          // current range\n          ranges[i - 1][1] = Math.max(newRange[1], range[1]);\n          ranges.splice(i, 1);\n          return ranges;\n        }\n\n        // Case 7: New range extends from previous range past the\n        // end of the current range\n        ranges.splice(i, 1);\n        i--;\n      }\n    }\n\n    if (inRange) {\n      // Case 8: New range extends past the last existing range\n      ranges[ranges.length - 1][1] = newRange[1];\n    } else {\n      // Case 9: New range starts after the last existing range\n      ranges.push(newRange);\n    }\n\n    return ranges;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';\nimport { ICoreBrowserService } from './Services';\nimport { EventEmitter, forwardEvent } from 'common/EventEmitter';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\n\nexport class CoreBrowserService extends Disposable implements ICoreBrowserService {\n  public serviceBrand: undefined;\n\n  private _isFocused = false;\n  private _cachedIsFocused: boolean | undefined = undefined;\n  private _screenDprMonitor = new ScreenDprMonitor(this._window);\n\n  private readonly _onDprChange = this.register(new EventEmitter<number>());\n  public readonly onDprChange = this._onDprChange.event;\n  private readonly _onWindowChange = this.register(new EventEmitter<Window & typeof globalThis>());\n  public readonly onWindowChange = this._onWindowChange.event;\n\n  constructor(\n    private _textarea: HTMLTextAreaElement,\n    private _window: Window & typeof globalThis,\n    public readonly mainDocument: Document\n  ) {\n    super();\n\n    // Monitor device pixel ratio\n    this.register(this.onWindowChange(w => this._screenDprMonitor.setWindow(w)));\n    this.register(forwardEvent(this._screenDprMonitor.onDprChange, this._onDprChange));\n\n    this._textarea.addEventListener('focus', () => this._isFocused = true);\n    this._textarea.addEventListener('blur', () => this._isFocused = false);\n  }\n\n  public get window(): Window & typeof globalThis {\n    return this._window;\n  }\n\n  public set window(value: Window & typeof globalThis) {\n    if (this._window !== value) {\n      this._window = value;\n      this._onWindowChange.fire(this._window);\n    }\n  }\n\n  public get dpr(): number {\n    return this.window.devicePixelRatio;\n  }\n\n  public get isFocused(): boolean {\n    if (this._cachedIsFocused === undefined) {\n      this._cachedIsFocused = this._isFocused && this._textarea.ownerDocument.hasFocus();\n      queueMicrotask(() => this._cachedIsFocused = undefined);\n    }\n    return this._cachedIsFocused;\n  }\n}\n\n\n/**\n * The screen device pixel ratio monitor allows listening for when the\n * window.devicePixelRatio value changes. This is done not with polling but with\n * the use of window.matchMedia to watch media queries. When the event fires,\n * the listener will be reattached using a different media query to ensure that\n * any further changes will register.\n *\n * The listener should fire on both window zoom changes and switching to a\n * monitor with a different DPI.\n */\nclass ScreenDprMonitor extends Disposable {\n  private _currentDevicePixelRatio: number;\n  private _outerListener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | undefined;\n  private _resolutionMediaMatchList: MediaQueryList | undefined;\n  private _windowResizeListener = this.register(new MutableDisposable());\n\n  private readonly _onDprChange = this.register(new EventEmitter<number>());\n  public readonly onDprChange = this._onDprChange.event;\n\n  constructor(private _parentWindow: Window) {\n    super();\n\n    // Initialize listener and dpr value\n    this._outerListener = () => this._setDprAndFireIfDiffers();\n    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;\n    this._updateDpr();\n\n    // Monitor active window resize\n    this._setWindowResizeListener();\n\n    // Setup additional disposables\n    this.register(toDisposable(() => this.clearListener()));\n  }\n\n\n  public setWindow(parentWindow: Window): void {\n    this._parentWindow = parentWindow;\n    this._setWindowResizeListener();\n    this._setDprAndFireIfDiffers();\n  }\n\n  private _setWindowResizeListener(): void {\n    this._windowResizeListener.value = addDisposableDomListener(this._parentWindow, 'resize', () => this._setDprAndFireIfDiffers());\n  }\n\n  private _setDprAndFireIfDiffers(): void {\n    if (this._parentWindow.devicePixelRatio !== this._currentDevicePixelRatio) {\n      this._onDprChange.fire(this._parentWindow.devicePixelRatio);\n    }\n    this._updateDpr();\n  }\n\n  private _updateDpr(): void {\n    if (!this._outerListener) {\n      return;\n    }\n\n    // Clear listeners for old DPR\n    this._resolutionMediaMatchList?.removeListener(this._outerListener);\n\n    // Add listeners for new DPR\n    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;\n    this._resolutionMediaMatchList = this._parentWindow.matchMedia(`screen and (resolution: ${this._parentWindow.devicePixelRatio}dppx)`);\n    this._resolutionMediaMatchList.addListener(this._outerListener);\n  }\n\n  public clearListener(): void {\n    if (!this._resolutionMediaMatchList || !this._outerListener) {\n      return;\n    }\n    this._resolutionMediaMatchList.removeListener(this._outerListener);\n    this._resolutionMediaMatchList = undefined;\n    this._outerListener = undefined;\n  }\n}\n","import { ILinkProvider, ILinkProviderService } from 'browser/services/Services';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IDisposable } from 'common/Types';\n\nexport class LinkProviderService extends Disposable implements ILinkProviderService {\n  declare public serviceBrand: undefined;\n\n  public readonly linkProviders: ILinkProvider[] = [];\n\n  constructor() {\n    super();\n    this.register(toDisposable(() => this.linkProviders.length = 0));\n  }\n\n  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {\n    this.linkProviders.push(linkProvider);\n    return {\n      dispose: () => {\n        // Remove the link provider from the list\n        const providerIndex = this.linkProviders.indexOf(linkProvider);\n\n        if (providerIndex !== -1) {\n          this.linkProviders.splice(providerIndex, 1);\n        }\n      }\n    };\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharSizeService, IRenderService, IMouseService } from './Services';\nimport { getCoords, getCoordsRelativeToElement } from 'browser/input/Mouse';\n\nexport class MouseService implements IMouseService {\n  public serviceBrand: undefined;\n\n  constructor(\n    @IRenderService private readonly _renderService: IRenderService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService\n  ) {\n  }\n\n  public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined {\n    return getCoords(\n      window,\n      event,\n      element,\n      colCount,\n      rowCount,\n      this._charSizeService.hasValidSize,\n      this._renderService.dimensions.css.cell.width,\n      this._renderService.dimensions.css.cell.height,\n      isSelection\n    );\n  }\n\n  public getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined {\n    const coords = getCoordsRelativeToElement(window, event, element);\n    if (!this._charSizeService.hasValidSize) {\n      return undefined;\n    }\n    coords[0] = Math.min(Math.max(coords[0], 0), this._renderService.dimensions.css.canvas.width - 1);\n    coords[1] = Math.min(Math.max(coords[1], 0), this._renderService.dimensions.css.canvas.height - 1);\n    return {\n      col: Math.floor(coords[0] / this._renderService.dimensions.css.cell.width),\n      row: Math.floor(coords[1] / this._renderService.dimensions.css.cell.height),\n      x: Math.floor(coords[0]),\n      y: Math.floor(coords[1])\n    };\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { RenderDebouncer } from 'browser/RenderDebouncer';\nimport { IRenderDebouncerWithCallback } from 'browser/Types';\nimport { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';\nimport { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';\nimport { DebouncedIdleTask } from 'common/TaskQueue';\nimport { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';\n\ninterface ISelectionState {\n  start: [number, number] | undefined;\n  end: [number, number] | undefined;\n  columnSelectMode: boolean;\n}\n\nexport class RenderService extends Disposable implements IRenderService {\n  public serviceBrand: undefined;\n\n  private _renderer: MutableDisposable<IRenderer> = this.register(new MutableDisposable());\n  private _renderDebouncer: IRenderDebouncerWithCallback;\n  private _pausedResizeTask = new DebouncedIdleTask();\n  private _observerDisposable = this.register(new MutableDisposable());\n\n  private _isPaused: boolean = false;\n  private _needsFullRefresh: boolean = false;\n  private _isNextRenderRedrawOnly: boolean = true;\n  private _needsSelectionRefresh: boolean = false;\n  private _canvasWidth: number = 0;\n  private _canvasHeight: number = 0;\n  private _selectionState: ISelectionState = {\n    start: undefined,\n    end: undefined,\n    columnSelectMode: false\n  };\n\n  private readonly _onDimensionsChange = this.register(new EventEmitter<IRenderDimensions>());\n  public readonly onDimensionsChange = this._onDimensionsChange.event;\n  private readonly _onRenderedViewportChange = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRenderedViewportChange = this._onRenderedViewportChange.event;\n  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRender = this._onRender.event;\n  private readonly _onRefreshRequest = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRefreshRequest = this._onRefreshRequest.event;\n\n  public get dimensions(): IRenderDimensions { return this._renderer.value!.dimensions; }\n\n  constructor(\n    private _rowCount: number,\n    screenElement: HTMLElement,\n    @IOptionsService optionsService: IOptionsService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService,\n    @IDecorationService decorationService: IDecorationService,\n    @IBufferService bufferService: IBufferService,\n    @ICoreBrowserService coreBrowserService: ICoreBrowserService,\n    @IThemeService themeService: IThemeService\n  ) {\n    super();\n\n    this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end), coreBrowserService);\n    this.register(this._renderDebouncer);\n\n    this.register(coreBrowserService.onDprChange(() => this.handleDevicePixelRatioChange()));\n\n    this.register(bufferService.onResize(() => this._fullRefresh()));\n    this.register(bufferService.buffers.onBufferActivate(() => this._renderer.value?.clear()));\n    this.register(optionsService.onOptionChange(() => this._handleOptionsChanged()));\n    this.register(this._charSizeService.onCharSizeChange(() => this.handleCharSizeChanged()));\n\n    // Do a full refresh whenever any decoration is added or removed. This may not actually result\n    // in changes but since decorations should be used sparingly or added/removed all in the same\n    // frame this should have minimal performance impact.\n    this.register(decorationService.onDecorationRegistered(() => this._fullRefresh()));\n    this.register(decorationService.onDecorationRemoved(() => this._fullRefresh()));\n\n    // Clear the renderer when the a change that could affect glyphs occurs\n    this.register(optionsService.onMultipleOptionChange([\n      'customGlyphs',\n      'drawBoldTextInBrightColors',\n      'letterSpacing',\n      'lineHeight',\n      'fontFamily',\n      'fontSize',\n      'fontWeight',\n      'fontWeightBold',\n      'minimumContrastRatio',\n      'rescaleOverlappingGlyphs'\n    ], () => {\n      this.clear();\n      this.handleResize(bufferService.cols, bufferService.rows);\n      this._fullRefresh();\n    }));\n\n    // Refresh the cursor line when the cursor changes\n    this.register(optionsService.onMultipleOptionChange([\n      'cursorBlink',\n      'cursorStyle'\n    ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, true)));\n\n    this.register(themeService.onChangeColors(() => this._fullRefresh()));\n\n    this._registerIntersectionObserver(coreBrowserService.window, screenElement);\n    this.register(coreBrowserService.onWindowChange((w) => this._registerIntersectionObserver(w, screenElement)));\n  }\n\n  private _registerIntersectionObserver(w: Window & typeof globalThis, screenElement: HTMLElement): void {\n    // Detect whether IntersectionObserver is detected and enable renderer pause\n    // and resume based on terminal visibility if so\n    if ('IntersectionObserver' in w) {\n      const observer = new w.IntersectionObserver(e => this._handleIntersectionChange(e[e.length - 1]), { threshold: 0 });\n      observer.observe(screenElement);\n      this._observerDisposable.value = toDisposable(() => observer.disconnect());\n    }\n  }\n\n  private _handleIntersectionChange(entry: IntersectionObserverEntry): void {\n    this._isPaused = entry.isIntersecting === undefined ? (entry.intersectionRatio === 0) : !entry.isIntersecting;\n\n    // Terminal was hidden on open\n    if (!this._isPaused && !this._charSizeService.hasValidSize) {\n      this._charSizeService.measure();\n    }\n\n    if (!this._isPaused && this._needsFullRefresh) {\n      this._pausedResizeTask.flush();\n      this.refreshRows(0, this._rowCount - 1);\n      this._needsFullRefresh = false;\n    }\n  }\n\n  public refreshRows(start: number, end: number, isRedrawOnly: boolean = false): void {\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n      return;\n    }\n    if (!isRedrawOnly) {\n      this._isNextRenderRedrawOnly = false;\n    }\n    this._renderDebouncer.refresh(start, end, this._rowCount);\n  }\n\n  private _renderRows(start: number, end: number): void {\n    if (!this._renderer.value) {\n      return;\n    }\n\n    // Since this is debounced, a resize event could have happened between the time a refresh was\n    // requested and when this triggers. Clamp the values of start and end to ensure they're valid\n    // given the current viewport state.\n    start = Math.min(start, this._rowCount - 1);\n    end = Math.min(end, this._rowCount - 1);\n\n    // Render\n    this._renderer.value.renderRows(start, end);\n\n    // Update selection if needed\n    if (this._needsSelectionRefresh) {\n      this._renderer.value.handleSelectionChanged(this._selectionState.start, this._selectionState.end, this._selectionState.columnSelectMode);\n      this._needsSelectionRefresh = false;\n    }\n\n    // Fire render event only if it was not a redraw\n    if (!this._isNextRenderRedrawOnly) {\n      this._onRenderedViewportChange.fire({ start, end });\n    }\n    this._onRender.fire({ start, end });\n    this._isNextRenderRedrawOnly = true;\n  }\n\n  public resize(cols: number, rows: number): void {\n    this._rowCount = rows;\n    this._fireOnCanvasResize();\n  }\n\n  private _handleOptionsChanged(): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    this.refreshRows(0, this._rowCount - 1);\n    this._fireOnCanvasResize();\n  }\n\n  private _fireOnCanvasResize(): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    // Don't fire the event if the dimensions haven't changed\n    if (this._renderer.value.dimensions.css.canvas.width === this._canvasWidth && this._renderer.value.dimensions.css.canvas.height === this._canvasHeight) {\n      return;\n    }\n    this._onDimensionsChange.fire(this._renderer.value.dimensions);\n  }\n\n  public hasRenderer(): boolean {\n    return !!this._renderer.value;\n  }\n\n  public setRenderer(renderer: IRenderer): void {\n    this._renderer.value = renderer;\n    // If the value was not set, the terminal is being disposed so ignore it\n    if (this._renderer.value) {\n      this._renderer.value.onRequestRedraw(e => this.refreshRows(e.start, e.end, true));\n\n      // Force a refresh\n      this._needsSelectionRefresh = true;\n      this._fullRefresh();\n    }\n  }\n\n  public addRefreshCallback(callback: FrameRequestCallback): number {\n    return this._renderDebouncer.addRefreshCallback(callback);\n  }\n\n  private _fullRefresh(): void {\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n    } else {\n      this.refreshRows(0, this._rowCount - 1);\n    }\n  }\n\n  public clearTextureAtlas(): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    this._renderer.value.clearTextureAtlas?.();\n    this._fullRefresh();\n  }\n\n  public handleDevicePixelRatioChange(): void {\n    // Force char size measurement as DomMeasureStrategy(getBoundingClientRect) is not stable\n    // when devicePixelRatio changes\n    this._charSizeService.measure();\n\n    if (!this._renderer.value) {\n      return;\n    }\n    this._renderer.value.handleDevicePixelRatioChange();\n    this.refreshRows(0, this._rowCount - 1);\n  }\n\n  public handleResize(cols: number, rows: number): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    if (this._isPaused) {\n      this._pausedResizeTask.set(() => this._renderer.value?.handleResize(cols, rows));\n    } else {\n      this._renderer.value.handleResize(cols, rows);\n    }\n    this._fullRefresh();\n  }\n\n  // TODO: Is this useful when we have onResize?\n  public handleCharSizeChanged(): void {\n    this._renderer.value?.handleCharSizeChanged();\n  }\n\n  public handleBlur(): void {\n    this._renderer.value?.handleBlur();\n  }\n\n  public handleFocus(): void {\n    this._renderer.value?.handleFocus();\n  }\n\n  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {\n    this._selectionState.start = start;\n    this._selectionState.end = end;\n    this._selectionState.columnSelectMode = columnSelectMode;\n    this._renderer.value?.handleSelectionChanged(start, end, columnSelectMode);\n  }\n\n  public handleCursorMove(): void {\n    this._renderer.value?.handleCursorMove();\n  }\n\n  public clear(): void {\n    this._renderer.value?.clear();\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferRange, ILinkifier2 } from 'browser/Types';\nimport { getCoordsRelativeToElement } from 'browser/input/Mouse';\nimport { moveToCellSequence } from 'browser/input/MoveToCell';\nimport { SelectionModel } from 'browser/selection/SelectionModel';\nimport { ISelectionRedrawRequestEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';\nimport { ICoreBrowserService, IMouseService, IRenderService, ISelectionService } from 'browser/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport * as Browser from 'common/Platform';\nimport { IBufferLine, IDisposable } from 'common/Types';\nimport { getRangeLength } from 'common/buffer/BufferRange';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBuffer } from 'common/buffer/Types';\nimport { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * The maximum amount of time that can have elapsed for an alt click to move the\n * cursor.\n */\nconst ALT_CLICK_MOVE_CURSOR_TIME = 500;\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n  start: number;\n  length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nexport const enum SelectionMode {\n  NORMAL,\n  WORD,\n  LINE,\n  COLUMN\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionService handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionService but the onRedrawRequest event is fired\n * when the selection is ready to be redrawn (on an animation frame).\n */\nexport class SelectionService extends Disposable implements ISelectionService {\n  public serviceBrand: undefined;\n\n  protected _model: SelectionModel;\n\n  /**\n   * The amount to scroll every drag scroll update (depends on how far the mouse\n   * drag is above or below the terminal).\n   */\n  private _dragScrollAmount: number = 0;\n\n  /**\n   * The current selection mode.\n   */\n  protected _activeSelectionMode: SelectionMode;\n\n  /**\n   * A setInterval timer that is active while the mouse is down whose callback\n   * scrolls the viewport when necessary.\n   */\n  private _dragScrollIntervalTimer: number | undefined;\n\n  /**\n   * The animation frame ID used for refreshing the selection.\n   */\n  private _refreshAnimationFrame: number | undefined;\n\n  /**\n   * Whether selection is enabled.\n   */\n  private _enabled = true;\n\n  private _mouseMoveListener: EventListener;\n  private _mouseUpListener: EventListener;\n  private _trimListener: IDisposable;\n  private _workCell: CellData = new CellData();\n\n  private _mouseDownTimeStamp: number = 0;\n  private _oldHasSelection: boolean = false;\n  private _oldSelectionStart: [number, number] | undefined = undefined;\n  private _oldSelectionEnd: [number, number] | undefined = undefined;\n\n  private readonly _onLinuxMouseSelection = this.register(new EventEmitter<string>());\n  public readonly onLinuxMouseSelection = this._onLinuxMouseSelection.event;\n  private readonly _onRedrawRequest = this.register(new EventEmitter<ISelectionRedrawRequestEvent>());\n  public readonly onRequestRedraw = this._onRedrawRequest.event;\n  private readonly _onSelectionChange = this.register(new EventEmitter<void>());\n  public readonly onSelectionChange = this._onSelectionChange.event;\n  private readonly _onRequestScrollLines = this.register(new EventEmitter<ISelectionRequestScrollLinesEvent>());\n  public readonly onRequestScrollLines = this._onRequestScrollLines.event;\n\n  constructor(\n    private readonly _element: HTMLElement,\n    private readonly _screenElement: HTMLElement,\n    private readonly _linkifier: ILinkifier2,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreService private readonly _coreService: ICoreService,\n    @IMouseService private readonly _mouseService: IMouseService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService\n  ) {\n    super();\n\n    // Init listeners\n    this._mouseMoveListener = event => this._handleMouseMove(event as MouseEvent);\n    this._mouseUpListener = event => this._handleMouseUp(event as MouseEvent);\n    this._coreService.onUserInput(() => {\n      if (this.hasSelection) {\n        this.clearSelection();\n      }\n    });\n    this._trimListener = this._bufferService.buffer.lines.onTrim(amount => this._handleTrim(amount));\n    this.register(this._bufferService.buffers.onBufferActivate(e => this._handleBufferActivate(e)));\n\n    this.enable();\n\n    this._model = new SelectionModel(this._bufferService);\n    this._activeSelectionMode = SelectionMode.NORMAL;\n\n    this.register(toDisposable(() => {\n      this._removeMouseDownListeners();\n    }));\n  }\n\n  public reset(): void {\n    this.clearSelection();\n  }\n\n  /**\n   * Disables the selection manager. This is useful for when terminal mouse\n   * are enabled.\n   */\n  public disable(): void {\n    this.clearSelection();\n    this._enabled = false;\n  }\n\n  /**\n   * Enable the selection manager.\n   */\n  public enable(): void {\n    this._enabled = true;\n  }\n\n  public get selectionStart(): [number, number] | undefined { return this._model.finalSelectionStart; }\n  public get selectionEnd(): [number, number] | undefined { return this._model.finalSelectionEnd; }\n\n  /**\n   * Gets whether there is an active text selection.\n   */\n  public get hasSelection(): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[0] !== end[0] || start[1] !== end[1];\n  }\n\n  /**\n   * Gets the text currently selected.\n   */\n  public get selectionText(): string {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return '';\n    }\n\n    const buffer = this._bufferService.buffer;\n    const result: string[] = [];\n\n    if (this._activeSelectionMode === SelectionMode.COLUMN) {\n      // Ignore zero width selections\n      if (start[0] === end[0]) {\n        return '';\n      }\n\n      // For column selection it's not enough to rely on final selection's swapping of reversed\n      // values, it also needs the x coordinates to swap independently of the y coordinate is needed\n      const startCol = start[0] < end[0] ? start[0] : end[0];\n      const endCol = start[0] < end[0] ? end[0] : start[0];\n      for (let i = start[1]; i <= end[1]; i++) {\n        const lineText = buffer.translateBufferLineToString(i, true, startCol, endCol);\n        result.push(lineText);\n      }\n    } else {\n      // Get first row\n      const startRowEndCol = start[1] === end[1] ? end[0] : undefined;\n      result.push(buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));\n\n      // Get middle rows\n      for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n        const bufferLine = buffer.lines.get(i);\n        const lineText = buffer.translateBufferLineToString(i, true);\n        if (bufferLine?.isWrapped) {\n          result[result.length - 1] += lineText;\n        } else {\n          result.push(lineText);\n        }\n      }\n\n      // Get final row\n      if (start[1] !== end[1]) {\n        const bufferLine = buffer.lines.get(end[1]);\n        const lineText = buffer.translateBufferLineToString(end[1], true, 0, end[0]);\n        if (bufferLine && bufferLine!.isWrapped) {\n          result[result.length - 1] += lineText;\n        } else {\n          result.push(lineText);\n        }\n      }\n    }\n\n    // Format string by replacing non-breaking space chars with regular spaces\n    // and joining the array into a multi-line string.\n    const formattedResult = result.map(line => {\n      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n    }).join(Browser.isWindows ? '\\r\\n' : '\\n');\n\n    return formattedResult;\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this.refresh();\n    this._onSelectionChange.fire();\n  }\n\n  /**\n   * Queues a refresh, redrawing the selection on the next opportunity.\n   * @param isLinuxMouseSelection Whether the selection should be registered as a new\n   * selection on Linux.\n   */\n  public refresh(isLinuxMouseSelection?: boolean): void {\n    // Queue the refresh for the renderer\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._refresh());\n    }\n\n    // If the platform is Linux and the refresh call comes from a mouse event,\n    // we need to update the selection for middle click to paste selection.\n    if (Browser.isLinux && isLinuxMouseSelection) {\n      const selectionText = this.selectionText;\n      if (selectionText.length) {\n        this._onLinuxMouseSelection.fire(this.selectionText);\n      }\n    }\n  }\n\n  /**\n   * Fires the refresh event, causing consumers to pick it up and redraw the\n   * selection state.\n   */\n  private _refresh(): void {\n    this._refreshAnimationFrame = undefined;\n    this._onRedrawRequest.fire({\n      start: this._model.finalSelectionStart,\n      end: this._model.finalSelectionEnd,\n      columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN\n    });\n  }\n\n  /**\n   * Checks if the current click was inside the current selection\n   * @param event The mouse event\n   */\n  private _isClickInSelection(event: MouseEvent): boolean {\n    const coords = this._getMouseBufferCoords(event);\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n\n    if (!start || !end || !coords) {\n      return false;\n    }\n\n    return this._areCoordsInSelection(coords, start, end);\n  }\n\n  public isCellInSelection(x: number, y: number): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return this._areCoordsInSelection([x, y], start, end);\n  }\n\n  protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {\n    return (coords[1] > start[1] && coords[1] < end[1]) ||\n        (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||\n        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||\n        (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);\n  }\n\n  /**\n   * Selects word at the current mouse event coordinates.\n   * @param event The mouse event.\n   */\n  private _selectWordAtCursor(event: MouseEvent, allowWhitespaceOnlySelection: boolean): boolean {\n    // Check if there is a link under the cursor first and select that if so\n    const range = this._linkifier.currentLink?.link?.range;\n    if (range) {\n      this._model.selectionStart = [range.start.x - 1, range.start.y - 1];\n      this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);\n      this._model.selectionEnd = undefined;\n      return true;\n    }\n\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._selectWordAt(coords, allowWhitespaceOnlySelection);\n      this._model.selectionEnd = undefined;\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._model.isSelectAllActive = true;\n    this.refresh();\n    this._onSelectionChange.fire();\n  }\n\n  public selectLines(start: number, end: number): void {\n    this._model.clearSelection();\n    start = Math.max(start, 0);\n    end = Math.min(end, this._bufferService.buffer.lines.length - 1);\n    this._model.selectionStart = [0, start];\n    this._model.selectionEnd = [this._bufferService.cols, end];\n    this.refresh();\n    this._onSelectionChange.fire();\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   */\n  private _handleTrim(amount: number): void {\n    const needsRefresh = this._model.handleTrim(amount);\n    if (needsRefresh) {\n      this.refresh();\n    }\n  }\n\n  /**\n   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n   * @param event The mouse event.\n   */\n  private _getMouseBufferCoords(event: MouseEvent): [number, number] | undefined {\n    const coords = this._mouseService.getCoords(event, this._screenElement, this._bufferService.cols, this._bufferService.rows, true);\n    if (!coords) {\n      return undefined;\n    }\n\n    // Convert to 0-based\n    coords[0]--;\n    coords[1]--;\n\n    // Convert viewport coords to buffer coords\n    coords[1] += this._bufferService.buffer.ydisp;\n    return coords;\n  }\n\n  /**\n   * Gets the amount the viewport should be scrolled based on how far out of the\n   * terminal the mouse is.\n   * @param event The mouse event.\n   */\n  private _getMouseEventScrollAmount(event: MouseEvent): number {\n    let offset = getCoordsRelativeToElement(this._coreBrowserService.window, event, this._screenElement)[1];\n    const terminalHeight = this._renderService.dimensions.css.canvas.height;\n    if (offset >= 0 && offset <= terminalHeight) {\n      return 0;\n    }\n    if (offset > terminalHeight) {\n      offset -= terminalHeight;\n    }\n\n    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n    offset /= DRAG_SCROLL_MAX_THRESHOLD;\n    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n  }\n\n  /**\n   * Returns whether the selection manager should force selection, regardless of\n   * whether the terminal is in mouse events mode.\n   * @param event The mouse event.\n   */\n  public shouldForceSelection(event: MouseEvent): boolean {\n    if (Browser.isMac) {\n      return event.altKey && this._optionsService.rawOptions.macOptionClickForcesSelection;\n    }\n\n    return event.shiftKey;\n  }\n\n  /**\n   * Handles te mousedown event, setting up for a new selection.\n   * @param event The mousedown event.\n   */\n  public handleMouseDown(event: MouseEvent): void {\n    this._mouseDownTimeStamp = event.timeStamp;\n    // If we have selection, we want the context menu on right click even if the\n    // terminal is in mouse mode.\n    if (event.button === 2 && this.hasSelection) {\n      return;\n    }\n\n    // Only action the primary button\n    if (event.button !== 0) {\n      return;\n    }\n\n    // Allow selection when using a specific modifier key, even when disabled\n    if (!this._enabled) {\n      if (!this.shouldForceSelection(event)) {\n        return;\n      }\n\n      // Don't send the mouse down event to the current process, we want to select\n      event.stopPropagation();\n    }\n\n    // Tell the browser not to start a regular selection\n    event.preventDefault();\n\n    // Reset drag scroll state\n    this._dragScrollAmount = 0;\n\n    if (this._enabled && event.shiftKey) {\n      this._handleIncrementalClick(event);\n    } else {\n      if (event.detail === 1) {\n        this._handleSingleClick(event);\n      } else if (event.detail === 2) {\n        this._handleDoubleClick(event);\n      } else if (event.detail === 3) {\n        this._handleTripleClick(event);\n      }\n    }\n\n    this._addMouseDownListeners();\n    this.refresh(true);\n  }\n\n  /**\n   * Adds listeners when mousedown is triggered.\n   */\n  private _addMouseDownListeners(): void {\n    // Listen on the document so that dragging outside of viewport works\n    if (this._screenElement.ownerDocument) {\n      this._screenElement.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n      this._screenElement.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n    }\n    this._dragScrollIntervalTimer = this._coreBrowserService.window.setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n  }\n\n  /**\n   * Removes the listeners that are registered when mousedown is triggered.\n   */\n  private _removeMouseDownListeners(): void {\n    if (this._screenElement.ownerDocument) {\n      this._screenElement.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n      this._screenElement.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n    }\n    this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer);\n    this._dragScrollIntervalTimer = undefined;\n  }\n\n  /**\n   * Performs an incremental click, setting the selection end position to the mouse\n   * position.\n   * @param event The mouse event.\n   */\n  private _handleIncrementalClick(event: MouseEvent): void {\n    if (this._model.selectionStart) {\n      this._model.selectionEnd = this._getMouseBufferCoords(event);\n    }\n  }\n\n  /**\n   * Performs a single click, resetting relevant state and setting the selection\n   * start position.\n   * @param event The mouse event.\n   */\n  private _handleSingleClick(event: MouseEvent): void {\n    this._model.selectionStartLength = 0;\n    this._model.isSelectAllActive = false;\n    this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;\n\n    // Initialize the new selection\n    this._model.selectionStart = this._getMouseBufferCoords(event);\n    if (!this._model.selectionStart) {\n      return;\n    }\n    this._model.selectionEnd = undefined;\n\n    // Ensure the line exists\n    const line = this._bufferService.buffer.lines.get(this._model.selectionStart[1]);\n    if (!line) {\n      return;\n    }\n\n    // Return early if the click event is not in the buffer (eg. in scroll bar)\n    if (line.length === this._model.selectionStart[0]) {\n      return;\n    }\n\n    // If the mouse is over the second half of a wide character, adjust the\n    // selection to cover the whole character\n    if (line.hasWidth(this._model.selectionStart[0]) === 0) {\n      this._model.selectionStart[0]++;\n    }\n  }\n\n  /**\n   * Performs a double click, selecting the current word.\n   * @param event The mouse event.\n   */\n  private _handleDoubleClick(event: MouseEvent): void {\n    if (this._selectWordAtCursor(event, true)) {\n      this._activeSelectionMode = SelectionMode.WORD;\n    }\n  }\n\n  /**\n   * Performs a triple click, selecting the current line and activating line\n   * select mode.\n   * @param event The mouse event.\n   */\n  private _handleTripleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.LINE;\n      this._selectLineAt(coords[1]);\n    }\n  }\n\n  /**\n   * Returns whether the selection manager should operate in column select mode\n   * @param event the mouse or keyboard event\n   */\n  public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {\n    return event.altKey && !(Browser.isMac && this._optionsService.rawOptions.macOptionClickForcesSelection);\n  }\n\n  /**\n   * Handles the mousemove event when the mouse button is down, recording the\n   * end of the selection and refreshing the selection.\n   * @param event The mousemove event.\n   */\n  private _handleMouseMove(event: MouseEvent): void {\n    // If the mousemove listener is active it means that a selection is\n    // currently being made, we should stop propagation to prevent mouse events\n    // to be sent to the pty.\n    event.stopImmediatePropagation();\n\n    // Do nothing if there is no selection start, this can happen if the first\n    // click in the terminal is an incremental click\n    if (!this._model.selectionStart) {\n      return;\n    }\n\n    // Record the previous position so we know whether to redraw the selection\n    // at the end.\n    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n    // Set the initial selection end based on the mouse coordinates\n    this._model.selectionEnd = this._getMouseBufferCoords(event);\n    if (!this._model.selectionEnd) {\n      this.refresh(true);\n      return;\n    }\n\n    // Select the entire line if line select mode is active.\n    if (this._activeSelectionMode === SelectionMode.LINE) {\n      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n        this._model.selectionEnd[0] = 0;\n      } else {\n        this._model.selectionEnd[0] = this._bufferService.cols;\n      }\n    } else if (this._activeSelectionMode === SelectionMode.WORD) {\n      this._selectToWordAt(this._model.selectionEnd);\n    }\n\n    // Determine the amount of scrolling that will happen.\n    this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n    // If the cursor was above or below the viewport, make sure it's at the\n    // start or end of the viewport respectively. This should only happen when\n    // NOT in column select mode.\n    if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n      if (this._dragScrollAmount > 0) {\n        this._model.selectionEnd[0] = this._bufferService.cols;\n      } else if (this._dragScrollAmount < 0) {\n        this._model.selectionEnd[0] = 0;\n      }\n    }\n\n    // If the character is a wide character include the cell to the right in the\n    // selection. Note that selections at the very end of the line will never\n    // have a character.\n    const buffer = this._bufferService.buffer;\n    if (this._model.selectionEnd[1] < buffer.lines.length) {\n      const line = buffer.lines.get(this._model.selectionEnd[1]);\n      if (line && line.hasWidth(this._model.selectionEnd[0]) === 0) {\n        if (this._model.selectionEnd[0] < this._bufferService.cols) {\n          this._model.selectionEnd[0]++;\n        }\n      }\n    }\n\n    // Only draw here if the selection changes.\n    if (!previousSelectionEnd ||\n      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n      this.refresh(true);\n    }\n  }\n\n  /**\n   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n   * scrolling of the viewport.\n   */\n  private _dragScroll(): void {\n    if (!this._model.selectionEnd || !this._model.selectionStart) {\n      return;\n    }\n    if (this._dragScrollAmount) {\n      this._onRequestScrollLines.fire({ amount: this._dragScrollAmount, suppressScrollEvent: false });\n      // Re-evaluate selection\n      // If the cursor was above or below the viewport, make sure it's at the\n      // start or end of the viewport respectively. This should only happen when\n      // NOT in column select mode.\n      const buffer = this._bufferService.buffer;\n      if (this._dragScrollAmount > 0) {\n        if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n          this._model.selectionEnd[0] = this._bufferService.cols;\n        }\n        this._model.selectionEnd[1] = Math.min(buffer.ydisp + this._bufferService.rows, buffer.lines.length - 1);\n      } else {\n        if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n          this._model.selectionEnd[0] = 0;\n        }\n        this._model.selectionEnd[1] = buffer.ydisp;\n      }\n      this.refresh();\n    }\n  }\n\n  /**\n   * Handles the mouseup event, removing the mousedown listeners.\n   * @param event The mouseup event.\n   */\n  private _handleMouseUp(event: MouseEvent): void {\n    const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;\n\n    this._removeMouseDownListeners();\n\n    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME && event.altKey && this._optionsService.rawOptions.altClickMovesCursor) {\n      if (this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {\n        const coordinates = this._mouseService.getCoords(\n          event,\n          this._element,\n          this._bufferService.cols,\n          this._bufferService.rows,\n          false\n        );\n        if (coordinates && coordinates[0] !== undefined && coordinates[1] !== undefined) {\n          const sequence = moveToCellSequence(coordinates[0] - 1, coordinates[1] - 1, this._bufferService, this._coreService.decPrivateModes.applicationCursorKeys);\n          this._coreService.triggerDataEvent(sequence, true);\n        }\n      }\n    } else {\n      this._fireEventIfSelectionChanged();\n    }\n  }\n\n  private _fireEventIfSelectionChanged(): void {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    const hasSelection = !!start && !!end && (start[0] !== end[0] || start[1] !== end[1]);\n\n    if (!hasSelection) {\n      if (this._oldHasSelection) {\n        this._fireOnSelectionChange(start, end, hasSelection);\n      }\n      return;\n    }\n\n    // Sanity check, these should not be undefined as there is a selection\n    if (!start || !end) {\n      return;\n    }\n\n    if (!this._oldSelectionStart || !this._oldSelectionEnd || (\n      start[0] !== this._oldSelectionStart[0] || start[1] !== this._oldSelectionStart[1] ||\n      end[0] !== this._oldSelectionEnd[0] || end[1] !== this._oldSelectionEnd[1])) {\n\n      this._fireOnSelectionChange(start, end, hasSelection);\n    }\n  }\n\n  private _fireOnSelectionChange(start: [number, number] | undefined, end: [number, number] | undefined, hasSelection: boolean): void {\n    this._oldSelectionStart = start;\n    this._oldSelectionEnd = end;\n    this._oldHasSelection = hasSelection;\n    this._onSelectionChange.fire();\n  }\n\n  private _handleBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {\n    this.clearSelection();\n    // Only adjust the selection on trim, shiftElements is rarely used (only in\n    // reverseIndex) and delete in a splice is only ever used when the same\n    // number of elements was just added. Given this is could actually be\n    // beneficial to leave the selection as is for these cases.\n    this._trimListener.dispose();\n    this._trimListener = e.activeBuffer.lines.onTrim(amount => this._handleTrim(amount));\n  }\n\n  /**\n   * Converts a viewport column (0 to cols - 1) to the character index on the\n   * buffer line, the latter takes into account wide and null characters.\n   * @param bufferLine The buffer line to use.\n   * @param x The x index in the buffer line to convert.\n   */\n  private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, x: number): number {\n    let charIndex = x;\n    for (let i = 0; x >= i; i++) {\n      const length = bufferLine.loadCell(i, this._workCell).getChars().length;\n      if (this._workCell.getWidth() === 0) {\n        // Wide characters aren't included in the line string so decrement the\n        // index so the index is back on the wide character.\n        charIndex--;\n      } else if (length > 1 && x !== i) {\n        // Emojis take up multiple characters, so adjust accordingly. For these\n        // we don't want ot include the character at the column as we're\n        // returning the start index in the string, not the end index.\n        charIndex += length - 1;\n      }\n    }\n    return charIndex;\n  }\n\n  public setSelection(col: number, row: number, length: number): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this._model.selectionStart = [col, row];\n    this._model.selectionStartLength = length;\n    this.refresh();\n    this._fireEventIfSelectionChanged();\n  }\n\n  public rightClickSelect(ev: MouseEvent): void {\n    if (!this._isClickInSelection(ev)) {\n      if (this._selectWordAtCursor(ev, false)) {\n        this.refresh(true);\n      }\n      this._fireEventIfSelectionChanged();\n    }\n  }\n\n  /**\n   * Gets positional information for the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition | undefined {\n    // Ensure coords are within viewport (eg. not within scroll bar)\n    if (coords[0] >= this._bufferService.cols) {\n      return undefined;\n    }\n\n    const buffer = this._bufferService.buffer;\n    const bufferLine = buffer.lines.get(coords[1]);\n    if (!bufferLine) {\n      return undefined;\n    }\n\n    const line = buffer.translateBufferLineToString(coords[1], false);\n\n    // Get actual index, taking into consideration wide characters\n    let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords[0]);\n    let endIndex = startIndex;\n\n    // Record offset to be used later\n    const charOffset = coords[0] - startIndex;\n    let leftWideCharCount = 0;\n    let rightWideCharCount = 0;\n    let leftLongCharOffset = 0;\n    let rightLongCharOffset = 0;\n\n    if (line.charAt(startIndex) === ' ') {\n      // Expand until non-whitespace is hit\n      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n        startIndex--;\n      }\n      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n        endIndex++;\n      }\n    } else {\n      // Expand until whitespace is hit. This algorithm works by scanning left\n      // and right from the starting position, keeping both the index format\n      // (line) and the column format (bufferLine) in sync. When a wide\n      // character is hit, it is recorded and the column index is adjusted.\n      let startCol = coords[0];\n      let endCol = coords[0];\n\n      // Consider the initial position, skip it and increment the wide char\n      // variable\n      if (bufferLine.getWidth(startCol) === 0) {\n        leftWideCharCount++;\n        startCol--;\n      }\n      if (bufferLine.getWidth(endCol) === 2) {\n        rightWideCharCount++;\n        endCol++;\n      }\n\n      // Adjust the end index for characters whose length are > 1 (emojis)\n      const length = bufferLine.getString(endCol).length;\n      if (length > 1) {\n        rightLongCharOffset += length - 1;\n        endIndex += length - 1;\n      }\n\n      // Expand the string in both directions until a space is hit\n      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {\n        bufferLine.loadCell(startCol - 1, this._workCell);\n        const length = this._workCell.getChars().length;\n        if (this._workCell.getWidth() === 0) {\n          // If the next character is a wide char, record it and skip the column\n          leftWideCharCount++;\n          startCol--;\n        } else if (length > 1) {\n          // If the next character's string is longer than 1 char (eg. emoji),\n          // adjust the index\n          leftLongCharOffset += length - 1;\n          startIndex -= length - 1;\n        }\n        startIndex--;\n        startCol--;\n      }\n      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {\n        bufferLine.loadCell(endCol + 1, this._workCell);\n        const length = this._workCell.getChars().length;\n        if (this._workCell.getWidth() === 2) {\n          // If the next character is a wide char, record it and skip the column\n          rightWideCharCount++;\n          endCol++;\n        } else if (length > 1) {\n          // If the next character's string is longer than 1 char (eg. emoji),\n          // adjust the index\n          rightLongCharOffset += length - 1;\n          endIndex += length - 1;\n        }\n        endIndex++;\n        endCol++;\n      }\n    }\n\n    // Incremenet the end index so it is at the start of the next character\n    endIndex++;\n\n    // Calculate the start _column_, converting the the string indexes back to\n    // column coordinates.\n    let start =\n        startIndex // The index of the selection's start char in the line string\n        + charOffset // The difference between the initial char's column and index\n        - leftWideCharCount // The number of wide chars left of the initial char\n        + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n\n    // Calculate the length in _columns_, converting the the string indexes back\n    // to column coordinates.\n    let length = Math.min(this._bufferService.cols, // Disallow lengths larger than the terminal cols\n      endIndex // The index of the selection's end char in the line string\n      - startIndex // The index of the selection's start char in the line string\n      + leftWideCharCount // The number of wide chars left of the initial char\n      + rightWideCharCount // The number of wide chars right of the initial char (inclusive)\n      - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n      - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)\n\n    if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {\n      return undefined;\n    }\n\n    // Recurse upwards if the line is wrapped and the word wraps to the above line\n    if (followWrappedLinesAbove) {\n      if (start === 0 && bufferLine.getCodePoint(0) !== 32 /* ' ' */) {\n        const previousBufferLine = buffer.lines.get(coords[1] - 1);\n        if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {\n          const previousLineWordPosition = this._getWordAt([this._bufferService.cols - 1, coords[1] - 1], false, true, false);\n          if (previousLineWordPosition) {\n            const offset = this._bufferService.cols - previousLineWordPosition.start;\n            start -= offset;\n            length += offset;\n          }\n        }\n      }\n    }\n\n    // Recurse downwards if the line is wrapped and the word wraps to the next line\n    if (followWrappedLinesBelow) {\n      if (start + length === this._bufferService.cols && bufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {\n        const nextBufferLine = buffer.lines.get(coords[1] + 1);\n        if (nextBufferLine?.isWrapped && nextBufferLine.getCodePoint(0) !== 32 /* ' ' */) {\n          const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);\n          if (nextLineWordPosition) {\n            length += nextLineWordPosition.length;\n          }\n        }\n      }\n    }\n\n    return { start, length };\n  }\n\n  /**\n   * Selects the word at the coordinates specified.\n   * @param coords The coordinates to get the word at.\n   * @param allowWhitespaceOnlySelection If whitespace should be selected\n   */\n  protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {\n    const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);\n    if (wordPosition) {\n      // Adjust negative start value\n      while (wordPosition.start < 0) {\n        wordPosition.start += this._bufferService.cols;\n        coords[1]--;\n      }\n      this._model.selectionStart = [wordPosition.start, coords[1]];\n      this._model.selectionStartLength = wordPosition.length;\n    }\n  }\n\n  /**\n   * Sets the selection end to the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _selectToWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords, true);\n    if (wordPosition) {\n      let endRow = coords[1];\n\n      // Adjust negative start value\n      while (wordPosition.start < 0) {\n        wordPosition.start += this._bufferService.cols;\n        endRow--;\n      }\n\n      // Adjust wrapped length value, this only needs to happen when values are reversed as in that\n      // case we're interested in the start of the word, not the end\n      if (!this._model.areSelectionValuesReversed()) {\n        while (wordPosition.start + wordPosition.length > this._bufferService.cols) {\n          wordPosition.length -= this._bufferService.cols;\n          endRow++;\n        }\n      }\n\n      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];\n    }\n  }\n\n  /**\n   * Gets whether the character is considered a word separator by the select\n   * word logic.\n   * @param cell The cell to check.\n   */\n  private _isCharWordSeparator(cell: CellData): boolean {\n    // Zero width characters are never separators as they are always to the\n    // right of wide characters\n    if (cell.getWidth() === 0) {\n      return false;\n    }\n    return this._optionsService.rawOptions.wordSeparator.indexOf(cell.getChars()) >= 0;\n  }\n\n  /**\n   * Selects the line specified.\n   * @param line The line index.\n   */\n  protected _selectLineAt(line: number): void {\n    const wrappedRange = this._bufferService.buffer.getWrappedRangeForLine(line);\n    const range: IBufferRange = {\n      start: { x: 0, y: wrappedRange.first },\n      end: { x: this._bufferService.cols - 1, y: wrappedRange.last }\n    };\n    this._model.selectionStart = [0, wrappedRange.first];\n    this._model.selectionEnd = undefined;\n    this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IEvent } from 'common/EventEmitter';\nimport { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';\nimport { IColorSet, ILink, ReadonlyColorSet } from 'browser/Types';\nimport { ISelectionRedrawRequestEvent as ISelectionRequestRedrawEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\nimport { AllColorIndex, IDisposable } from 'common/Types';\n\nexport const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');\nexport interface ICharSizeService {\n  serviceBrand: undefined;\n\n  readonly width: number;\n  readonly height: number;\n  readonly hasValidSize: boolean;\n\n  readonly onCharSizeChange: IEvent<void>;\n\n  measure(): void;\n}\n\nexport const ICoreBrowserService = createDecorator<ICoreBrowserService>('CoreBrowserService');\nexport interface ICoreBrowserService {\n  serviceBrand: undefined;\n\n  readonly isFocused: boolean;\n\n  readonly onDprChange: IEvent<number>;\n  readonly onWindowChange: IEvent<Window & typeof globalThis>;\n\n  /**\n   * Gets or sets the parent window that the terminal is rendered into. DOM and rendering APIs (e.g.\n   * requestAnimationFrame) should be invoked in the context of this window. This should be set when\n   * the window hosting the xterm.js instance changes.\n   */\n  window: Window & typeof globalThis;\n  /**\n   * The document of the primary window to be used to create elements when working with multiple\n   * windows. This is defined by the documentOverride setting.\n   */\n  readonly mainDocument: Document;\n  /**\n   * Helper for getting the devicePixelRatio of the parent window.\n   */\n  readonly dpr: number;\n}\n\nexport const IMouseService = createDecorator<IMouseService>('MouseService');\nexport interface IMouseService {\n  serviceBrand: undefined;\n\n  getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined;\n  getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined;\n}\n\nexport const IRenderService = createDecorator<IRenderService>('RenderService');\nexport interface IRenderService extends IDisposable {\n  serviceBrand: undefined;\n\n  onDimensionsChange: IEvent<IRenderDimensions>;\n  /**\n   * Fires when buffer changes are rendered. This does not fire when only cursor\n   * or selections are rendered.\n   */\n  onRenderedViewportChange: IEvent<{ start: number, end: number }>;\n  /**\n   * Fires on render\n   */\n  onRender: IEvent<{ start: number, end: number }>;\n  onRefreshRequest: IEvent<{ start: number, end: number }>;\n\n  dimensions: IRenderDimensions;\n\n  addRefreshCallback(callback: FrameRequestCallback): number;\n\n  refreshRows(start: number, end: number): void;\n  clearTextureAtlas(): void;\n  resize(cols: number, rows: number): void;\n  hasRenderer(): boolean;\n  setRenderer(renderer: IRenderer): void;\n  handleDevicePixelRatioChange(): void;\n  handleResize(cols: number, rows: number): void;\n  handleCharSizeChanged(): void;\n  handleBlur(): void;\n  handleFocus(): void;\n  handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void;\n  handleCursorMove(): void;\n  clear(): void;\n}\n\nexport const ISelectionService = createDecorator<ISelectionService>('SelectionService');\nexport interface ISelectionService {\n  serviceBrand: undefined;\n\n  readonly selectionText: string;\n  readonly hasSelection: boolean;\n  readonly selectionStart: [number, number] | undefined;\n  readonly selectionEnd: [number, number] | undefined;\n\n  readonly onLinuxMouseSelection: IEvent<string>;\n  readonly onRequestRedraw: IEvent<ISelectionRequestRedrawEvent>;\n  readonly onRequestScrollLines: IEvent<ISelectionRequestScrollLinesEvent>;\n  readonly onSelectionChange: IEvent<void>;\n\n  disable(): void;\n  enable(): void;\n  reset(): void;\n  setSelection(row: number, col: number, length: number): void;\n  selectAll(): void;\n  selectLines(start: number, end: number): void;\n  clearSelection(): void;\n  rightClickSelect(event: MouseEvent): void;\n  shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean;\n  shouldForceSelection(event: MouseEvent): boolean;\n  refresh(isLinuxMouseSelection?: boolean): void;\n  handleMouseDown(event: MouseEvent): void;\n  isCellInSelection(x: number, y: number): boolean;\n}\n\nexport const ICharacterJoinerService = createDecorator<ICharacterJoinerService>('CharacterJoinerService');\nexport interface ICharacterJoinerService {\n  serviceBrand: undefined;\n\n  register(handler: (text: string) => [number, number][]): number;\n  deregister(joinerId: number): boolean;\n  getJoinedCharacters(row: number): [number, number][];\n}\n\nexport const IThemeService = createDecorator<IThemeService>('ThemeService');\nexport interface IThemeService {\n  serviceBrand: undefined;\n\n  readonly colors: ReadonlyColorSet;\n\n  readonly onChangeColors: IEvent<ReadonlyColorSet>;\n\n  restoreColor(slot?: AllColorIndex): void;\n  /**\n   * Allows external modifying of colors in the theme, this is used instead of {@link colors} to\n   * prevent accidental writes.\n   */\n  modifyColors(callback: (colors: IColorSet) => void): void;\n}\n\n\nexport const ILinkProviderService = createDecorator<ILinkProviderService>('LinkProviderService');\nexport interface ILinkProviderService extends IDisposable {\n  serviceBrand: undefined;\n  readonly linkProviders: ReadonlyArray<ILinkProvider>;\n  registerLinkProvider(linkProvider: ILinkProvider): IDisposable;\n}\nexport interface ILinkProvider {\n  provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void;\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ColorContrastCache } from 'browser/ColorContrastCache';\nimport { IThemeService } from 'browser/services/Services';\nimport { IColorContrastCache, IColorSet, ReadonlyColorSet } from 'browser/Types';\nimport { channels, color, css, NULL_COLOR } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IOptionsService, ITheme } from 'common/services/Services';\nimport { AllColorIndex, IColor, SpecialColorIndex } from 'common/Types';\n\ninterface IRestoreColorSet {\n  foreground: IColor;\n  background: IColor;\n  cursor: IColor;\n  ansi: IColor[];\n}\n\n\nconst DEFAULT_FOREGROUND = css.toColor('#ffffff');\nconst DEFAULT_BACKGROUND = css.toColor('#000000');\nconst DEFAULT_CURSOR = css.toColor('#ffffff');\nconst DEFAULT_CURSOR_ACCENT = css.toColor('#000000');\nconst DEFAULT_SELECTION = {\n  css: 'rgba(255, 255, 255, 0.3)',\n  rgba: 0xFFFFFF4D\n};\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n  const colors = [\n    // dark:\n    css.toColor('#2e3436'),\n    css.toColor('#cc0000'),\n    css.toColor('#4e9a06'),\n    css.toColor('#c4a000'),\n    css.toColor('#3465a4'),\n    css.toColor('#75507b'),\n    css.toColor('#06989a'),\n    css.toColor('#d3d7cf'),\n    // bright:\n    css.toColor('#555753'),\n    css.toColor('#ef2929'),\n    css.toColor('#8ae234'),\n    css.toColor('#fce94f'),\n    css.toColor('#729fcf'),\n    css.toColor('#ad7fa8'),\n    css.toColor('#34e2e2'),\n    css.toColor('#eeeeec')\n  ];\n\n  // Fill in the remaining 240 ANSI colors.\n  // Generate colors (16-231)\n  const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n  for (let i = 0; i < 216; i++) {\n    const r = v[(i / 36) % 6 | 0];\n    const g = v[(i / 6) % 6 | 0];\n    const b = v[i % 6];\n    colors.push({\n      css: channels.toCss(r, g, b),\n      rgba: channels.toRgba(r, g, b)\n    });\n  }\n\n  // Generate greys (232-255)\n  for (let i = 0; i < 24; i++) {\n    const c = 8 + i * 10;\n    colors.push({\n      css: channels.toCss(c, c, c),\n      rgba: channels.toRgba(c, c, c)\n    });\n  }\n\n  return colors;\n})());\n\nexport class ThemeService extends Disposable implements IThemeService {\n  public serviceBrand: undefined;\n\n  private _colors: IColorSet;\n  private _contrastCache: IColorContrastCache = new ColorContrastCache();\n  private _halfContrastCache: IColorContrastCache = new ColorContrastCache();\n  private _restoreColors!: IRestoreColorSet;\n\n  public get colors(): ReadonlyColorSet { return this._colors; }\n\n  private readonly _onChangeColors = this.register(new EventEmitter<ReadonlyColorSet>());\n  public readonly onChangeColors = this._onChangeColors.event;\n\n  constructor(\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n\n    this._colors = {\n      foreground: DEFAULT_FOREGROUND,\n      background: DEFAULT_BACKGROUND,\n      cursor: DEFAULT_CURSOR,\n      cursorAccent: DEFAULT_CURSOR_ACCENT,\n      selectionForeground: undefined,\n      selectionBackgroundTransparent: DEFAULT_SELECTION,\n      selectionBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n      selectionInactiveBackgroundTransparent: DEFAULT_SELECTION,\n      selectionInactiveBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n      ansi: DEFAULT_ANSI_COLORS.slice(),\n      contrastCache: this._contrastCache,\n      halfContrastCache: this._halfContrastCache\n    };\n    this._updateRestoreColors();\n    this._setTheme(this._optionsService.rawOptions.theme);\n\n    this.register(this._optionsService.onSpecificOptionChange('minimumContrastRatio', () => this._contrastCache.clear()));\n    this.register(this._optionsService.onSpecificOptionChange('theme', () => this._setTheme(this._optionsService.rawOptions.theme)));\n  }\n\n  /**\n   * Sets the terminal's theme.\n   * @param theme The  theme to use. If a partial theme is provided then default\n   * colors will be used where colors are not defined.\n   */\n  private _setTheme(theme: ITheme = {}): void {\n    const colors = this._colors;\n    colors.foreground = parseColor(theme.foreground, DEFAULT_FOREGROUND);\n    colors.background = parseColor(theme.background, DEFAULT_BACKGROUND);\n    colors.cursor = parseColor(theme.cursor, DEFAULT_CURSOR);\n    colors.cursorAccent = parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT);\n    colors.selectionBackgroundTransparent = parseColor(theme.selectionBackground, DEFAULT_SELECTION);\n    colors.selectionBackgroundOpaque = color.blend(colors.background, colors.selectionBackgroundTransparent);\n    colors.selectionInactiveBackgroundTransparent = parseColor(theme.selectionInactiveBackground, colors.selectionBackgroundTransparent);\n    colors.selectionInactiveBackgroundOpaque = color.blend(colors.background, colors.selectionInactiveBackgroundTransparent);\n    colors.selectionForeground = theme.selectionForeground ? parseColor(theme.selectionForeground, NULL_COLOR) : undefined;\n    if (colors.selectionForeground === NULL_COLOR) {\n      colors.selectionForeground = undefined;\n    }\n\n    /**\n     * If selection color is opaque, blend it with background with 0.3 opacity\n     * Issue #2737\n     */\n    if (color.isOpaque(colors.selectionBackgroundTransparent)) {\n      const opacity = 0.3;\n      colors.selectionBackgroundTransparent = color.opacity(colors.selectionBackgroundTransparent, opacity);\n    }\n    if (color.isOpaque(colors.selectionInactiveBackgroundTransparent)) {\n      const opacity = 0.3;\n      colors.selectionInactiveBackgroundTransparent = color.opacity(colors.selectionInactiveBackgroundTransparent, opacity);\n    }\n    colors.ansi = DEFAULT_ANSI_COLORS.slice();\n    colors.ansi[0] = parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);\n    colors.ansi[1] = parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);\n    colors.ansi[2] = parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);\n    colors.ansi[3] = parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);\n    colors.ansi[4] = parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);\n    colors.ansi[5] = parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);\n    colors.ansi[6] = parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);\n    colors.ansi[7] = parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);\n    colors.ansi[8] = parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);\n    colors.ansi[9] = parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);\n    colors.ansi[10] = parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);\n    colors.ansi[11] = parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);\n    colors.ansi[12] = parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);\n    colors.ansi[13] = parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);\n    colors.ansi[14] = parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);\n    colors.ansi[15] = parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);\n    if (theme.extendedAnsi) {\n      const colorCount = Math.min(colors.ansi.length - 16, theme.extendedAnsi.length);\n      for (let i = 0; i < colorCount; i++) {\n        colors.ansi[i + 16] = parseColor(theme.extendedAnsi[i], DEFAULT_ANSI_COLORS[i + 16]);\n      }\n    }\n    // Clear our the cache\n    this._contrastCache.clear();\n    this._halfContrastCache.clear();\n    this._updateRestoreColors();\n    this._onChangeColors.fire(this.colors);\n  }\n\n  public restoreColor(slot?: AllColorIndex): void {\n    this._restoreColor(slot);\n    this._onChangeColors.fire(this.colors);\n  }\n\n  private _restoreColor(slot: AllColorIndex | undefined): void {\n    // unset slot restores all ansi colors\n    if (slot === undefined) {\n      for (let i = 0; i < this._restoreColors.ansi.length; ++i) {\n        this._colors.ansi[i] = this._restoreColors.ansi[i];\n      }\n      return;\n    }\n    switch (slot) {\n      case SpecialColorIndex.FOREGROUND:\n        this._colors.foreground = this._restoreColors.foreground;\n        break;\n      case SpecialColorIndex.BACKGROUND:\n        this._colors.background = this._restoreColors.background;\n        break;\n      case SpecialColorIndex.CURSOR:\n        this._colors.cursor = this._restoreColors.cursor;\n        break;\n      default:\n        this._colors.ansi[slot] = this._restoreColors.ansi[slot];\n    }\n  }\n\n  public modifyColors(callback: (colors: IColorSet) => void): void {\n    callback(this._colors);\n    // Assume the change happened\n    this._onChangeColors.fire(this.colors);\n  }\n\n  private _updateRestoreColors(): void {\n    this._restoreColors = {\n      foreground: this._colors.foreground,\n      background: this._colors.background,\n      cursor: this._colors.cursor,\n      ansi: this._colors.ansi.slice()\n    };\n  }\n}\n\nfunction parseColor(\n  cssString: string | undefined,\n  fallback: IColor\n): IColor {\n  if (cssString !== undefined) {\n    try {\n      return css.toColor(cssString);\n    } catch {\n      // no-op\n    }\n  }\n  return fallback;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICircularList } from 'common/Types';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\n\nexport interface IInsertEvent {\n  index: number;\n  amount: number;\n}\n\nexport interface IDeleteEvent {\n  index: number;\n  amount: number;\n}\n\n/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n */\nexport class CircularList<T> extends Disposable implements ICircularList<T> {\n  protected _array: (T | undefined)[];\n  private _startIndex: number;\n  private _length: number;\n\n  public readonly onDeleteEmitter = this.register(new EventEmitter<IDeleteEvent>());\n  public readonly onDelete = this.onDeleteEmitter.event;\n  public readonly onInsertEmitter = this.register(new EventEmitter<IInsertEvent>());\n  public readonly onInsert = this.onInsertEmitter.event;\n  public readonly onTrimEmitter = this.register(new EventEmitter<number>());\n  public readonly onTrim = this.onTrimEmitter.event;\n\n  constructor(\n    private _maxLength: number\n  ) {\n    super();\n    this._array = new Array<T>(this._maxLength);\n    this._startIndex = 0;\n    this._length = 0;\n  }\n\n  public get maxLength(): number {\n    return this._maxLength;\n  }\n\n  public set maxLength(newMaxLength: number) {\n    // There was no change in maxLength, return early.\n    if (this._maxLength === newMaxLength) {\n      return;\n    }\n\n    // Reconstruct array, starting at index 0. Only transfer values from the\n    // indexes 0 to length.\n    const newArray = new Array<T | undefined>(newMaxLength);\n    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n      newArray[i] = this._array[this._getCyclicIndex(i)];\n    }\n    this._array = newArray;\n    this._maxLength = newMaxLength;\n    this._startIndex = 0;\n  }\n\n  public get length(): number {\n    return this._length;\n  }\n\n  public set length(newLength: number) {\n    if (newLength > this._length) {\n      for (let i = this._length; i < newLength; i++) {\n        this._array[i] = undefined;\n      }\n    }\n    this._length = newLength;\n  }\n\n  /**\n   * Gets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index of the value to get.\n   * @returns The value corresponding to the index.\n   */\n  public get(index: number): T | undefined {\n    return this._array[this._getCyclicIndex(index)];\n  }\n\n  /**\n   * Sets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index to set.\n   * @param value The value to set.\n   */\n  public set(index: number, value: T | undefined): void {\n    this._array[this._getCyclicIndex(index)] = value;\n  }\n\n  /**\n   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n   * if the maximum length is reached.\n   * @param value The value to push onto the list.\n   */\n  public push(value: T): void {\n    this._array[this._getCyclicIndex(this._length)] = value;\n    if (this._length === this._maxLength) {\n      this._startIndex = ++this._startIndex % this._maxLength;\n      this.onTrimEmitter.fire(1);\n    } else {\n      this._length++;\n    }\n  }\n\n  /**\n   * Advance ringbuffer index and return current element for recycling.\n   * Note: The buffer must be full for this method to work.\n   * @throws When the buffer is not full.\n   */\n  public recycle(): T {\n    if (this._length !== this._maxLength) {\n      throw new Error('Can only recycle when the buffer is full');\n    }\n    this._startIndex = ++this._startIndex % this._maxLength;\n    this.onTrimEmitter.fire(1);\n    return this._array[this._getCyclicIndex(this._length - 1)]!;\n  }\n\n  /**\n   * Ringbuffer is at max length.\n   */\n  public get isFull(): boolean {\n    return this._length === this._maxLength;\n  }\n\n  /**\n   * Removes and returns the last value on the list.\n   * @returns The popped value.\n   */\n  public pop(): T | undefined {\n    return this._array[this._getCyclicIndex(this._length-- - 1)];\n  }\n\n  /**\n   * Deletes and/or inserts items at a particular index (in that order). Unlike\n   * Array.prototype.splice, this operation does not return the deleted items as a new array in\n   * order to save creating a new array. Note that this operation may shift all values in the list\n   * in the worst case.\n   * @param start The index to delete and/or insert.\n   * @param deleteCount The number of elements to delete.\n   * @param items The items to insert.\n   */\n  public splice(start: number, deleteCount: number, ...items: T[]): void {\n    // Delete items\n    if (deleteCount) {\n      for (let i = start; i < this._length - deleteCount; i++) {\n        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n      }\n      this._length -= deleteCount;\n      this.onDeleteEmitter.fire({ index: start, amount: deleteCount });\n    }\n\n    // Add items\n    for (let i = this._length - 1; i >= start; i--) {\n      this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n    }\n    for (let i = 0; i < items.length; i++) {\n      this._array[this._getCyclicIndex(start + i)] = items[i];\n    }\n    if (items.length) {\n      this.onInsertEmitter.fire({ index: start, amount: items.length });\n    }\n\n    // Adjust length as needed\n    if (this._length + items.length > this._maxLength) {\n      const countToTrim = (this._length + items.length) - this._maxLength;\n      this._startIndex += countToTrim;\n      this._length = this._maxLength;\n      this.onTrimEmitter.fire(countToTrim);\n    } else {\n      this._length += items.length;\n    }\n  }\n\n  /**\n   * Trims a number of items from the start of the list.\n   * @param count The number of items to remove.\n   */\n  public trimStart(count: number): void {\n    if (count > this._length) {\n      count = this._length;\n    }\n    this._startIndex += count;\n    this._length -= count;\n    this.onTrimEmitter.fire(count);\n  }\n\n  public shiftElements(start: number, count: number, offset: number): void {\n    if (count <= 0) {\n      return;\n    }\n    if (start < 0 || start >= this._length) {\n      throw new Error('start argument out of range');\n    }\n    if (start + offset < 0) {\n      throw new Error('Cannot shift elements in list beyond index 0');\n    }\n\n    if (offset > 0) {\n      for (let i = count - 1; i >= 0; i--) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n      const expandListBy = (start + count + offset) - this._length;\n      if (expandListBy > 0) {\n        this._length += expandListBy;\n        while (this._length > this._maxLength) {\n          this._length--;\n          this._startIndex++;\n          this.onTrimEmitter.fire(1);\n        }\n      }\n    } else {\n      for (let i = 0; i < count; i++) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n    }\n  }\n\n  /**\n   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n   * backing array to get the element associated with the regular index.\n   * @param index The regular index.\n   * @returns The cyclic index.\n   */\n  private _getCyclicIndex(index: number): number {\n    return (this._startIndex + index) % this._maxLength;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/*\n * A simple utility for cloning values\n */\nexport function clone<T>(val: T, depth: number = 5): T {\n  if (typeof val !== 'object') {\n    return val;\n  }\n\n  // If we're cloning an array, use an array as the base, otherwise use an object\n  const clonedObject: any = Array.isArray(val) ? [] : {};\n\n  for (const key in val) {\n    // Recursively clone eack item unless we're at the maximum depth\n    clonedObject[key] = depth <= 1 ? val[key] : (val[key] && clone(val[key], depth - 1));\n  }\n\n  return clonedObject as T;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorRGB } from 'common/Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n  css: '#00000000',\n  rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n  export function toCss(r: number, g: number, b: number, a?: number): string {\n    if (a !== undefined) {\n      return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n    }\n    return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n  }\n\n  export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n    // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n    // on LE systems, before it can be used for direct 32-bit buffer writes.\n    // >>> 0 forces an unsigned int\n    return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n  }\n\n  export function toColor(r: number, g: number, b: number, a?: number): IColor {\n    return {\n      css: channels.toCss(r, g, b, a),\n      rgba: channels.toRgba(r, g, b, a)\n    };\n  }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n  export function blend(bg: IColor, fg: IColor): IColor {\n    $a = (fg.rgba & 0xFF) / 255;\n    if ($a === 1) {\n      return {\n        css: fg.css,\n        rgba: fg.rgba\n      };\n    }\n    const fgR = (fg.rgba >> 24) & 0xFF;\n    const fgG = (fg.rgba >> 16) & 0xFF;\n    const fgB = (fg.rgba >> 8) & 0xFF;\n    const bgR = (bg.rgba >> 24) & 0xFF;\n    const bgG = (bg.rgba >> 16) & 0xFF;\n    const bgB = (bg.rgba >> 8) & 0xFF;\n    $r = bgR + Math.round((fgR - bgR) * $a);\n    $g = bgG + Math.round((fgG - bgG) * $a);\n    $b = bgB + Math.round((fgB - bgB) * $a);\n    const css = channels.toCss($r, $g, $b);\n    const rgba = channels.toRgba($r, $g, $b);\n    return { css, rgba };\n  }\n\n  export function isOpaque(color: IColor): boolean {\n    return (color.rgba & 0xFF) === 0xFF;\n  }\n\n  export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n    const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n    if (!result) {\n      return undefined;\n    }\n    return channels.toColor(\n      (result >> 24 & 0xFF),\n      (result >> 16 & 0xFF),\n      (result >> 8  & 0xFF)\n    );\n  }\n\n  export function opaque(color: IColor): IColor {\n    const rgbaColor = (color.rgba | 0xFF) >>> 0;\n    [$r, $g, $b] = rgba.toChannels(rgbaColor);\n    return {\n      css: channels.toCss($r, $g, $b),\n      rgba: rgbaColor\n    };\n  }\n\n  export function opacity(color: IColor, opacity: number): IColor {\n    $a = Math.round(opacity * 0xFF);\n    [$r, $g, $b] = rgba.toChannels(color.rgba);\n    return {\n      css: channels.toCss($r, $g, $b, $a),\n      rgba: channels.toRgba($r, $g, $b, $a)\n    };\n  }\n\n  export function multiplyOpacity(color: IColor, factor: number): IColor {\n    $a = color.rgba & 0xFF;\n    return opacity(color, ($a * factor) / 0xFF);\n  }\n\n  export function toColorRGB(color: IColor): IColorRGB {\n    return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n  }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n  // Attempt to set get the shared canvas context\n  let $ctx: CanvasRenderingContext2D | undefined;\n  let $litmusColor: CanvasGradient | undefined;\n  try {\n    // This is guaranteed to run in the first window, so document should be correct\n    const canvas = document.createElement('canvas');\n    canvas.width = 1;\n    canvas.height = 1;\n    const ctx = canvas.getContext('2d', {\n      willReadFrequently: true\n    });\n    if (ctx) {\n      $ctx = ctx;\n      $ctx.globalCompositeOperation = 'copy';\n      $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n    }\n  }\n  catch {\n    // noop\n  }\n\n  /**\n   * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n   * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n   *\n   * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n   * environment.\n   */\n  export function toColor(css: string): IColor {\n    // Formats: #rgb[a] and #rrggbb[aa]\n    if (css.match(/#[\\da-f]{3,8}/i)) {\n      switch (css.length) {\n        case 4: { // #rgb\n          $r = parseInt(css.slice(1, 2).repeat(2), 16);\n          $g = parseInt(css.slice(2, 3).repeat(2), 16);\n          $b = parseInt(css.slice(3, 4).repeat(2), 16);\n          return channels.toColor($r, $g, $b);\n        }\n        case 5: { // #rgba\n          $r = parseInt(css.slice(1, 2).repeat(2), 16);\n          $g = parseInt(css.slice(2, 3).repeat(2), 16);\n          $b = parseInt(css.slice(3, 4).repeat(2), 16);\n          $a = parseInt(css.slice(4, 5).repeat(2), 16);\n          return channels.toColor($r, $g, $b, $a);\n        }\n        case 7: // #rrggbb\n          return {\n            css,\n            rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n          };\n        case 9: // #rrggbbaa\n          return {\n            css,\n            rgba: parseInt(css.slice(1), 16) >>> 0\n          };\n      }\n    }\n\n    // Formats: rgb() or rgba()\n    const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n    if (rgbaMatch) {\n      $r = parseInt(rgbaMatch[1]);\n      $g = parseInt(rgbaMatch[2]);\n      $b = parseInt(rgbaMatch[3]);\n      $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n      return channels.toColor($r, $g, $b, $a);\n    }\n\n    // Validate the context is available for canvas-based color parsing\n    if (!$ctx || !$litmusColor) {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    // Validate the color using canvas fillStyle\n    // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n    $ctx.fillStyle = $litmusColor;\n    $ctx.fillStyle = css;\n    if (typeof $ctx.fillStyle !== 'string') {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    $ctx.fillRect(0, 0, 1, 1);\n    [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n    // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n    if ($a !== 0xFF) {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n    // format\n    // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n    return {\n      rgba: channels.toRgba($r, $g, $b, $a),\n      css\n    };\n  }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n  /**\n   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n   * between two colors.\n   * @param rgb The color to use.\n   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n   */\n  export function relativeLuminance(rgb: number): number {\n    return relativeLuminance2(\n      (rgb >> 16) & 0xFF,\n      (rgb >> 8 ) & 0xFF,\n      (rgb      ) & 0xFF);\n  }\n\n  /**\n   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n   * between two colors.\n   * @param r The red channel (0x00 to 0xFF).\n   * @param g The green channel (0x00 to 0xFF).\n   * @param b The blue channel (0x00 to 0xFF).\n   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n   */\n  export function relativeLuminance2(r: number, g: number, b: number): number {\n    const rs = r / 255;\n    const gs = g / 255;\n    const bs = b / 255;\n    const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n    const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n    const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n    return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n  }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n  export function blend(bg: number, fg: number): number {\n    $a = (fg & 0xFF) / 0xFF;\n    if ($a === 1) {\n      return fg;\n    }\n    const fgR = (fg >> 24) & 0xFF;\n    const fgG = (fg >> 16) & 0xFF;\n    const fgB = (fg >> 8) & 0xFF;\n    const bgR = (bg >> 24) & 0xFF;\n    const bgG = (bg >> 16) & 0xFF;\n    const bgB = (bg >> 8) & 0xFF;\n    $r = bgR + Math.round((fgR - bgR) * $a);\n    $g = bgG + Math.round((fgG - bgG) * $a);\n    $b = bgB + Math.round((fgB - bgB) * $a);\n    return channels.toRgba($r, $g, $b);\n  }\n\n  /**\n   * Given a foreground color and a background color, either increase or reduce the luminance of the\n   * foreground color until the specified contrast ratio is met. If pure white or black is hit\n   * without the contrast ratio being met, go the other direction using the background color as the\n   * foreground color and take either the first or second result depending on which has the higher\n   * contrast ratio.\n   *\n   * `undefined` will be returned if the contrast ratio is already met.\n   *\n   * @param bgRgba The background color in rgba format.\n   * @param fgRgba The foreground color in rgba format.\n   * @param ratio The contrast ratio to achieve.\n   */\n  export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n    const bgL = rgb.relativeLuminance(bgRgba >> 8);\n    const fgL = rgb.relativeLuminance(fgRgba >> 8);\n    const cr = contrastRatio(bgL, fgL);\n    if (cr < ratio) {\n      if (fgL < bgL) {\n        const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n        const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n        if (resultARatio < ratio) {\n          const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n          const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n          return resultARatio > resultBRatio ? resultA : resultB;\n        }\n        return resultA;\n      }\n      const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n      const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n      if (resultARatio < ratio) {\n        const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n        const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n        return resultARatio > resultBRatio ? resultA : resultB;\n      }\n      return resultA;\n    }\n    return undefined;\n  }\n\n  export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n    // This is a naive but fast approach to reducing luminance as converting to\n    // HSL and back is expensive\n    const bgR = (bgRgba >> 24) & 0xFF;\n    const bgG = (bgRgba >> 16) & 0xFF;\n    const bgB = (bgRgba >>  8) & 0xFF;\n    let fgR = (fgRgba >> 24) & 0xFF;\n    let fgG = (fgRgba >> 16) & 0xFF;\n    let fgB = (fgRgba >>  8) & 0xFF;\n    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n      // Reduce by 10% until the ratio is hit\n      fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n      fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n      fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    }\n    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n  }\n\n  export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n    // This is a naive but fast approach to increasing luminance as converting to\n    // HSL and back is expensive\n    const bgR = (bgRgba >> 24) & 0xFF;\n    const bgG = (bgRgba >> 16) & 0xFF;\n    const bgB = (bgRgba >>  8) & 0xFF;\n    let fgR = (fgRgba >> 24) & 0xFF;\n    let fgG = (fgRgba >> 16) & 0xFF;\n    let fgB = (fgRgba >>  8) & 0xFF;\n    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n      // Increase by 10% until the ratio is hit\n      fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n      fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n      fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    }\n    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n  }\n\n  export function toChannels(value: number): [number, number, number, number] {\n    return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n  }\n}\n\nexport function toPaddedHex(c: number): string {\n  const s = c.toString(16);\n  return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The first relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n  if (l1 < l2) {\n    return (l2 + 0.05) / (l1 + 0.05);\n  }\n  return (l1 + 0.05) / (l2 + 0.05);\n}\n","/**\n * Copyright (c) 2014-2020 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n *\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\nimport { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';\nimport { IInstantiationService, IOptionsService, IBufferService, ILogService, ICharsetService, ICoreService, ICoreMouseService, IUnicodeService, LogLevelEnum, ITerminalOptions, IOscLinkService } from 'common/services/Services';\nimport { InstantiationService } from 'common/services/InstantiationService';\nimport { LogService } from 'common/services/LogService';\nimport { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService';\nimport { OptionsService } from 'common/services/OptionsService';\nimport { IDisposable, IAttributeData, ICoreTerminal, IScrollEvent, ScrollSource } from 'common/Types';\nimport { CoreService } from 'common/services/CoreService';\nimport { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';\nimport { CoreMouseService } from 'common/services/CoreMouseService';\nimport { UnicodeService } from 'common/services/UnicodeService';\nimport { CharsetService } from 'common/services/CharsetService';\nimport { updateWindowsModeWrappedState } from 'common/WindowsMode';\nimport { IFunctionIdentifier, IParams } from 'common/parser/Types';\nimport { IBufferSet } from 'common/buffer/Types';\nimport { InputHandler } from 'common/InputHandler';\nimport { WriteBuffer } from 'common/input/WriteBuffer';\nimport { OscLinkService } from 'common/services/OscLinkService';\n\n// Only trigger this warning a single time per session\nlet hasWriteSyncWarnHappened = false;\n\nexport abstract class CoreTerminal extends Disposable implements ICoreTerminal {\n  protected readonly _instantiationService: IInstantiationService;\n  protected readonly _bufferService: IBufferService;\n  protected readonly _logService: ILogService;\n  protected readonly _charsetService: ICharsetService;\n  protected readonly _oscLinkService: IOscLinkService;\n\n  public readonly coreMouseService: ICoreMouseService;\n  public readonly coreService: ICoreService;\n  public readonly unicodeService: IUnicodeService;\n  public readonly optionsService: IOptionsService;\n\n  protected _inputHandler: InputHandler;\n  private _writeBuffer: WriteBuffer;\n  private _windowsWrappingHeuristics = this.register(new MutableDisposable());\n\n  private readonly _onBinary = this.register(new EventEmitter<string>());\n  public readonly onBinary = this._onBinary.event;\n  private readonly _onData = this.register(new EventEmitter<string>());\n  public readonly onData = this._onData.event;\n  protected _onLineFeed = this.register(new EventEmitter<void>());\n  public readonly onLineFeed = this._onLineFeed.event;\n  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());\n  public readonly onResize = this._onResize.event;\n  protected readonly _onWriteParsed = this.register(new EventEmitter<void>());\n  public readonly onWriteParsed = this._onWriteParsed.event;\n\n  /**\n   * Internally we track the source of the scroll but this is meaningless outside the library so\n   * it's filtered out.\n   */\n  protected _onScrollApi?: EventEmitter<number, void>;\n  protected _onScroll = this.register(new EventEmitter<IScrollEvent, void>());\n  public get onScroll(): IEvent<number, void> {\n    if (!this._onScrollApi) {\n      this._onScrollApi = this.register(new EventEmitter<number, void>());\n      this._onScroll.event(ev => {\n        this._onScrollApi?.fire(ev.position);\n      });\n    }\n    return this._onScrollApi.event;\n  }\n\n  public get cols(): number { return this._bufferService.cols; }\n  public get rows(): number { return this._bufferService.rows; }\n  public get buffers(): IBufferSet { return this._bufferService.buffers; }\n  public get options(): Required<ITerminalOptions> { return this.optionsService.options; }\n  public set options(options: ITerminalOptions) {\n    for (const key in options) {\n      this.optionsService.options[key] = options[key];\n    }\n  }\n\n  constructor(\n    options: Partial<ITerminalOptions>\n  ) {\n    super();\n\n    // Setup and initialize services\n    this._instantiationService = new InstantiationService();\n    this.optionsService = this.register(new OptionsService(options));\n    this._instantiationService.setService(IOptionsService, this.optionsService);\n    this._bufferService = this.register(this._instantiationService.createInstance(BufferService));\n    this._instantiationService.setService(IBufferService, this._bufferService);\n    this._logService = this.register(this._instantiationService.createInstance(LogService));\n    this._instantiationService.setService(ILogService, this._logService);\n    this.coreService = this.register(this._instantiationService.createInstance(CoreService));\n    this._instantiationService.setService(ICoreService, this.coreService);\n    this.coreMouseService = this.register(this._instantiationService.createInstance(CoreMouseService));\n    this._instantiationService.setService(ICoreMouseService, this.coreMouseService);\n    this.unicodeService = this.register(this._instantiationService.createInstance(UnicodeService));\n    this._instantiationService.setService(IUnicodeService, this.unicodeService);\n    this._charsetService = this._instantiationService.createInstance(CharsetService);\n    this._instantiationService.setService(ICharsetService, this._charsetService);\n    this._oscLinkService = this._instantiationService.createInstance(OscLinkService);\n    this._instantiationService.setService(IOscLinkService, this._oscLinkService);\n\n\n    // Register input handler and handle/forward events\n    this._inputHandler = this.register(new InputHandler(this._bufferService, this._charsetService, this.coreService, this._logService, this.optionsService, this._oscLinkService, this.coreMouseService, this.unicodeService));\n    this.register(forwardEvent(this._inputHandler.onLineFeed, this._onLineFeed));\n    this.register(this._inputHandler);\n\n    // Setup listeners\n    this.register(forwardEvent(this._bufferService.onResize, this._onResize));\n    this.register(forwardEvent(this.coreService.onData, this._onData));\n    this.register(forwardEvent(this.coreService.onBinary, this._onBinary));\n    this.register(this.coreService.onRequestScrollToBottom(() => this.scrollToBottom()));\n    this.register(this.coreService.onUserInput(() =>  this._writeBuffer.handleUserInput()));\n    this.register(this.optionsService.onMultipleOptionChange(['windowsMode', 'windowsPty'], () => this._handleWindowsPtyOptionChange()));\n    this.register(this._bufferService.onScroll(event => {\n      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });\n      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);\n    }));\n    this.register(this._inputHandler.onScroll(event => {\n      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });\n      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);\n    }));\n\n    // Setup WriteBuffer\n    this._writeBuffer = this.register(new WriteBuffer((data, promiseResult) => this._inputHandler.parse(data, promiseResult)));\n    this.register(forwardEvent(this._writeBuffer.onWriteParsed, this._onWriteParsed));\n  }\n\n  public write(data: string | Uint8Array, callback?: () => void): void {\n    this._writeBuffer.write(data, callback);\n  }\n\n  /**\n   * Write data to terminal synchonously.\n   *\n   * This method is unreliable with async parser handlers, thus should not\n   * be used anymore. If you need blocking semantics on data input consider\n   * `write` with a callback instead.\n   *\n   * @deprecated Unreliable, will be removed soon.\n   */\n  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {\n    if (this._logService.logLevel <= LogLevelEnum.WARN && !hasWriteSyncWarnHappened) {\n      this._logService.warn('writeSync is unreliable and will be removed soon.');\n      hasWriteSyncWarnHappened = true;\n    }\n    this._writeBuffer.writeSync(data, maxSubsequentCalls);\n  }\n\n  public input(data: string, wasUserInput: boolean = true): void {\n    this.coreService.triggerDataEvent(data, wasUserInput);\n  }\n\n  public resize(x: number, y: number): void {\n    if (isNaN(x) || isNaN(y)) {\n      return;\n    }\n\n    x = Math.max(x, MINIMUM_COLS);\n    y = Math.max(y, MINIMUM_ROWS);\n\n    this._bufferService.resize(x, y);\n  }\n\n  /**\n   * Scroll the terminal down 1 row, creating a blank line.\n   * @param eraseAttr The attribute data to use the for blank line.\n   * @param isWrapped Whether the new line is wrapped from the previous line.\n   */\n  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {\n    this._bufferService.scroll(eraseAttr, isWrapped);\n  }\n\n  /**\n   * Scroll the display of the terminal\n   * @param disp The number of lines to scroll down (negative scroll up).\n   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used to avoid\n   * unwanted events being handled by the viewport when the event was triggered from the viewport\n   * originally.\n   * @param source Which component the event came from.\n   */\n  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {\n    this._bufferService.scrollLines(disp, suppressScrollEvent, source);\n  }\n\n  public scrollPages(pageCount: number): void {\n    this.scrollLines(pageCount * (this.rows - 1));\n  }\n\n  public scrollToTop(): void {\n    this.scrollLines(-this._bufferService.buffer.ydisp);\n  }\n\n  public scrollToBottom(): void {\n    this.scrollLines(this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);\n  }\n\n  public scrollToLine(line: number): void {\n    const scrollAmount = line - this._bufferService.buffer.ydisp;\n    if (scrollAmount !== 0) {\n      this.scrollLines(scrollAmount);\n    }\n  }\n\n  /** Add handler for ESC escape sequence. See xterm.d.ts for details. */\n  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerEscHandler(id, callback);\n  }\n\n  /** Add handler for DCS escape sequence. See xterm.d.ts for details. */\n  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerDcsHandler(id, callback);\n  }\n\n  /** Add handler for CSI escape sequence. See xterm.d.ts for details. */\n  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerCsiHandler(id, callback);\n  }\n\n  /** Add handler for OSC escape sequence. See xterm.d.ts for details. */\n  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerOscHandler(ident, callback);\n  }\n\n  protected _setup(): void {\n    this._handleWindowsPtyOptionChange();\n  }\n\n  public reset(): void {\n    this._inputHandler.reset();\n    this._bufferService.reset();\n    this._charsetService.reset();\n    this.coreService.reset();\n    this.coreMouseService.reset();\n  }\n\n\n  private _handleWindowsPtyOptionChange(): void {\n    let value = false;\n    const windowsPty = this.optionsService.rawOptions.windowsPty;\n    if (windowsPty && windowsPty.buildNumber !== undefined && windowsPty.buildNumber !== undefined) {\n      value = !!(windowsPty.backend === 'conpty' && windowsPty.buildNumber < 21376);\n    } else if (this.optionsService.rawOptions.windowsMode) {\n      value = true;\n    }\n    if (value) {\n      this._enableWindowsWrappingHeuristics();\n    } else {\n      this._windowsWrappingHeuristics.clear();\n    }\n  }\n\n  protected _enableWindowsWrappingHeuristics(): void {\n    if (!this._windowsWrappingHeuristics.value) {\n      const disposables: IDisposable[] = [];\n      disposables.push(this.onLineFeed(updateWindowsModeWrappedState.bind(null, this._bufferService)));\n      disposables.push(this.registerCsiHandler({ final: 'H' }, () => {\n        updateWindowsModeWrappedState(this._bufferService);\n        return false;\n      }));\n      this._windowsWrappingHeuristics.value = toDisposable(() => {\n        for (const d of disposables) {\n          d.dispose();\n        }\n      });\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\ninterface IListener<T, U = void> {\n  (arg1: T, arg2: U): void;\n}\n\nexport interface IEvent<T, U = void> {\n  (listener: (arg1: T, arg2: U) => any): IDisposable;\n}\n\nexport interface IEventEmitter<T, U = void> {\n  event: IEvent<T, U>;\n  fire(arg1: T, arg2: U): void;\n  dispose(): void;\n}\n\nexport class EventEmitter<T, U = void> implements IEventEmitter<T, U> {\n  private _listeners: IListener<T, U>[] = [];\n  private _event?: IEvent<T, U>;\n  private _disposed: boolean = false;\n\n  public get event(): IEvent<T, U> {\n    if (!this._event) {\n      this._event = (listener: (arg1: T, arg2: U) => any) => {\n        this._listeners.push(listener);\n        const disposable = {\n          dispose: () => {\n            if (!this._disposed) {\n              for (let i = 0; i < this._listeners.length; i++) {\n                if (this._listeners[i] === listener) {\n                  this._listeners.splice(i, 1);\n                  return;\n                }\n              }\n            }\n          }\n        };\n        return disposable;\n      };\n    }\n    return this._event;\n  }\n\n  public fire(arg1: T, arg2: U): void {\n    const queue: IListener<T, U>[] = [];\n    for (let i = 0; i < this._listeners.length; i++) {\n      queue.push(this._listeners[i]);\n    }\n    for (let i = 0; i < queue.length; i++) {\n      queue[i].call(undefined, arg1, arg2);\n    }\n  }\n\n  public dispose(): void {\n    this.clearListeners();\n    this._disposed = true;\n  }\n\n  public clearListeners(): void {\n    if (this._listeners) {\n      this._listeners.length = 0;\n    }\n  }\n}\n\nexport function forwardEvent<T>(from: IEvent<T>, to: IEventEmitter<T>): IDisposable {\n  return from(e => to.fire(e));\n}\n\nexport function runAndSubscribe<T>(event: IEvent<T>, handler: (e: T | undefined) => any): IDisposable {\n  handler(undefined);\n  return event(e => handler(e));\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IInputHandler, IAttributeData, IDisposable, IWindowOptions, IColorEvent, IParseStack, ColorIndex, ColorRequestType, SpecialColorIndex } from 'common/Types';\nimport { C0, C1 } from 'common/data/EscapeSequences';\nimport { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets';\nimport { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser';\nimport { Disposable } from 'common/Lifecycle';\nimport { StringToUtf32, stringFromCodePoint, Utf8ToUtf32 } from 'common/input/TextDecoder';\nimport { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { IParsingState, IEscapeSequenceParser, IParams, IFunctionIdentifier } from 'common/parser/Types';\nimport { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content, UnderlineStyle } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { ICoreService, IBufferService, IOptionsService, ILogService, ICoreMouseService, ICharsetService, IUnicodeService, LogLevelEnum, IOscLinkService } from 'common/services/Services';\nimport { UnicodeService } from 'common/services/UnicodeService';\nimport { OscHandler } from 'common/parser/OscParser';\nimport { DcsHandler } from 'common/parser/DcsParser';\nimport { IBuffer } from 'common/buffer/Types';\nimport { parseColor } from 'common/input/XParseColor';\n\n/**\n * Map collect to glevel. Used in `selectCharset`.\n */\nconst GLEVEL: { [key: string]: number } = { '(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2 };\n\n/**\n * VT commands done by the parser - FIXME: move this to the parser?\n */\n// @vt: #Y   ESC   CSI   \"Control Sequence Introducer\"   \"ESC [\"   \"Start of a CSI sequence.\"\n// @vt: #Y   ESC   OSC   \"Operating System Command\"      \"ESC ]\"   \"Start of an OSC sequence.\"\n// @vt: #Y   ESC   DCS   \"Device Control String\"         \"ESC P\"   \"Start of a DCS sequence.\"\n// @vt: #Y   ESC   ST    \"String Terminator\"             \"ESC \\\"   \"Terminator used for string type sequences.\"\n// @vt: #Y   ESC   PM    \"Privacy Message\"               \"ESC ^\"   \"Start of a privacy message.\"\n// @vt: #Y   ESC   APC   \"Application Program Command\"   \"ESC _\"   \"Start of an APC sequence.\"\n// @vt: #Y   C1    CSI   \"Control Sequence Introducer\"   \"\\x9B\"    \"Start of a CSI sequence.\"\n// @vt: #Y   C1    OSC   \"Operating System Command\"      \"\\x9D\"    \"Start of an OSC sequence.\"\n// @vt: #Y   C1    DCS   \"Device Control String\"         \"\\x90\"    \"Start of a DCS sequence.\"\n// @vt: #Y   C1    ST    \"String Terminator\"             \"\\x9C\"    \"Terminator used for string type sequences.\"\n// @vt: #Y   C1    PM    \"Privacy Message\"               \"\\x9E\"    \"Start of a privacy message.\"\n// @vt: #Y   C1    APC   \"Application Program Command\"   \"\\x9F\"    \"Start of an APC sequence.\"\n// @vt: #Y   C0    NUL   \"Null\"                          \"\\0, \\x00\"  \"NUL is ignored.\"\n// @vt: #Y   C0    ESC   \"Escape\"                        \"\\e, \\x1B\"  \"Start of a sequence. Cancels any other sequence.\"\n\n/**\n * Document xterm VT features here that are currently unsupported\n */\n// @vt: #E[Supported via @xterm/addon-image.]  DCS   SIXEL       \"SIXEL Graphics\"          \"DCS Ps ; Ps ; Ps ; q \tPt ST\"  \"Draw SIXEL image.\"\n// @vt: #N  DCS   DECUDK      \"User Defined Keys\"       \"DCS Ps ; Ps \\| Pt ST\"           \"Definitions for user-defined keys.\"\n// @vt: #N  DCS   XTGETTCAP   \"Request Terminfo String\" \"DCS + q Pt ST\"                 \"Request Terminfo String.\"\n// @vt: #N  DCS   XTSETTCAP   \"Set Terminfo Data\"       \"DCS + p Pt ST\"                 \"Set Terminfo Data.\"\n// @vt: #N  OSC   1           \"Set Icon Name\"           \"OSC 1 ; Pt BEL\"                \"Set icon name.\"\n\n/**\n * Max length of the UTF32 input buffer. Real memory consumption is 4 times higher.\n */\nconst MAX_PARSEBUFFER_LENGTH = 131072;\n\n/**\n * Limit length of title and icon name stacks.\n */\nconst STACK_LIMIT = 10;\n\n// map params to window option\nfunction paramToWindowOption(n: number, opts: IWindowOptions): boolean {\n  if (n > 24) {\n    return opts.setWinLines || false;\n  }\n  switch (n) {\n    case 1: return !!opts.restoreWin;\n    case 2: return !!opts.minimizeWin;\n    case 3: return !!opts.setWinPosition;\n    case 4: return !!opts.setWinSizePixels;\n    case 5: return !!opts.raiseWin;\n    case 6: return !!opts.lowerWin;\n    case 7: return !!opts.refreshWin;\n    case 8: return !!opts.setWinSizeChars;\n    case 9: return !!opts.maximizeWin;\n    case 10: return !!opts.fullscreenWin;\n    case 11: return !!opts.getWinState;\n    case 13: return !!opts.getWinPosition;\n    case 14: return !!opts.getWinSizePixels;\n    case 15: return !!opts.getScreenSizePixels;\n    case 16: return !!opts.getCellSizePixels;\n    case 18: return !!opts.getWinSizeChars;\n    case 19: return !!opts.getScreenSizeChars;\n    case 20: return !!opts.getIconTitle;\n    case 21: return !!opts.getWinTitle;\n    case 22: return !!opts.pushTitle;\n    case 23: return !!opts.popTitle;\n    case 24: return !!opts.setWinLines;\n  }\n  return false;\n}\n\nexport enum WindowsOptionsReportType {\n  GET_WIN_SIZE_PIXELS = 0,\n  GET_CELL_SIZE_PIXELS = 1\n}\n\n// create a warning log if an async handler takes longer than the limit (in ms)\nconst SLOW_ASYNC_LIMIT = 5000;\n\n// Work variables to avoid garbage collection\nlet $temp = 0;\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler extends Disposable implements IInputHandler {\n  private _parseBuffer: Uint32Array = new Uint32Array(4096);\n  private _stringDecoder: StringToUtf32 = new StringToUtf32();\n  private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();\n  private _workCell: CellData = new CellData();\n  private _windowTitle = '';\n  private _iconName = '';\n  private _dirtyRowTracker: IDirtyRowTracker;\n  protected _windowTitleStack: string[] = [];\n  protected _iconNameStack: string[] = [];\n\n  private _curAttrData: IAttributeData = DEFAULT_ATTR_DATA.clone();\n  public getAttrData(): IAttributeData { return this._curAttrData; }\n  private _eraseAttrDataInternal: IAttributeData = DEFAULT_ATTR_DATA.clone();\n\n  private _activeBuffer: IBuffer;\n\n  private readonly _onRequestBell = this.register(new EventEmitter<void>());\n  public readonly onRequestBell = this._onRequestBell.event;\n  private readonly _onRequestRefreshRows = this.register(new EventEmitter<number, number>());\n  public readonly onRequestRefreshRows = this._onRequestRefreshRows.event;\n  private readonly _onRequestReset = this.register(new EventEmitter<void>());\n  public readonly onRequestReset = this._onRequestReset.event;\n  private readonly _onRequestSendFocus = this.register(new EventEmitter<void>());\n  public readonly onRequestSendFocus = this._onRequestSendFocus.event;\n  private readonly _onRequestSyncScrollBar = this.register(new EventEmitter<void>());\n  public readonly onRequestSyncScrollBar = this._onRequestSyncScrollBar.event;\n  private readonly _onRequestWindowsOptionsReport = this.register(new EventEmitter<WindowsOptionsReportType>());\n  public readonly onRequestWindowsOptionsReport = this._onRequestWindowsOptionsReport.event;\n\n  private readonly _onA11yChar = this.register(new EventEmitter<string>());\n  public readonly onA11yChar = this._onA11yChar.event;\n  private readonly _onA11yTab = this.register(new EventEmitter<number>());\n  public readonly onA11yTab = this._onA11yTab.event;\n  private readonly _onCursorMove = this.register(new EventEmitter<void>());\n  public readonly onCursorMove = this._onCursorMove.event;\n  private readonly _onLineFeed = this.register(new EventEmitter<void>());\n  public readonly onLineFeed = this._onLineFeed.event;\n  private readonly _onScroll = this.register(new EventEmitter<number>());\n  public readonly onScroll = this._onScroll.event;\n  private readonly _onTitleChange = this.register(new EventEmitter<string>());\n  public readonly onTitleChange = this._onTitleChange.event;\n  private readonly _onColor = this.register(new EventEmitter<IColorEvent>());\n  public readonly onColor = this._onColor.event;\n\n  private _parseStack: IParseStack = {\n    paused: false,\n    cursorStartX: 0,\n    cursorStartY: 0,\n    decodedLength: 0,\n    position: 0\n  };\n\n  constructor(\n    private readonly _bufferService: IBufferService,\n    private readonly _charsetService: ICharsetService,\n    private readonly _coreService: ICoreService,\n    private readonly _logService: ILogService,\n    private readonly _optionsService: IOptionsService,\n    private readonly _oscLinkService: IOscLinkService,\n    private readonly _coreMouseService: ICoreMouseService,\n    private readonly _unicodeService: IUnicodeService,\n    private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser()\n  ) {\n    super();\n    this.register(this._parser);\n    this._dirtyRowTracker = new DirtyRowTracker(this._bufferService);\n\n    // Track properties used in performance critical code manually to avoid using slow getters\n    this._activeBuffer = this._bufferService.buffer;\n    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));\n\n    /**\n     * custom fallback handlers\n     */\n    this._parser.setCsiHandlerFallback((ident, params) => {\n      this._logService.debug('Unknown CSI code: ', { identifier: this._parser.identToString(ident), params: params.toArray() });\n    });\n    this._parser.setEscHandlerFallback(ident => {\n      this._logService.debug('Unknown ESC code: ', { identifier: this._parser.identToString(ident) });\n    });\n    this._parser.setExecuteHandlerFallback(code => {\n      this._logService.debug('Unknown EXECUTE code: ', { code });\n    });\n    this._parser.setOscHandlerFallback((identifier, action, data) => {\n      this._logService.debug('Unknown OSC code: ', { identifier, action, data });\n    });\n    this._parser.setDcsHandlerFallback((ident, action, payload) => {\n      if (action === 'HOOK') {\n        payload = payload.toArray();\n      }\n      this._logService.debug('Unknown DCS code: ', { identifier: this._parser.identToString(ident), action, payload });\n    });\n\n    /**\n     * print handler\n     */\n    this._parser.setPrintHandler((data, start, end) => this.print(data, start, end));\n\n    /**\n     * CSI handler\n     */\n    this._parser.registerCsiHandler({ final: '@' }, params => this.insertChars(params));\n    this._parser.registerCsiHandler({ intermediates: ' ', final: '@' }, params => this.scrollLeft(params));\n    this._parser.registerCsiHandler({ final: 'A' }, params => this.cursorUp(params));\n    this._parser.registerCsiHandler({ intermediates: ' ', final: 'A' }, params => this.scrollRight(params));\n    this._parser.registerCsiHandler({ final: 'B' }, params => this.cursorDown(params));\n    this._parser.registerCsiHandler({ final: 'C' }, params => this.cursorForward(params));\n    this._parser.registerCsiHandler({ final: 'D' }, params => this.cursorBackward(params));\n    this._parser.registerCsiHandler({ final: 'E' }, params => this.cursorNextLine(params));\n    this._parser.registerCsiHandler({ final: 'F' }, params => this.cursorPrecedingLine(params));\n    this._parser.registerCsiHandler({ final: 'G' }, params => this.cursorCharAbsolute(params));\n    this._parser.registerCsiHandler({ final: 'H' }, params => this.cursorPosition(params));\n    this._parser.registerCsiHandler({ final: 'I' }, params => this.cursorForwardTab(params));\n    this._parser.registerCsiHandler({ final: 'J' }, params => this.eraseInDisplay(params, false));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'J' }, params => this.eraseInDisplay(params, true));\n    this._parser.registerCsiHandler({ final: 'K' }, params => this.eraseInLine(params, false));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'K' }, params => this.eraseInLine(params, true));\n    this._parser.registerCsiHandler({ final: 'L' }, params => this.insertLines(params));\n    this._parser.registerCsiHandler({ final: 'M' }, params => this.deleteLines(params));\n    this._parser.registerCsiHandler({ final: 'P' }, params => this.deleteChars(params));\n    this._parser.registerCsiHandler({ final: 'S' }, params => this.scrollUp(params));\n    this._parser.registerCsiHandler({ final: 'T' }, params => this.scrollDown(params));\n    this._parser.registerCsiHandler({ final: 'X' }, params => this.eraseChars(params));\n    this._parser.registerCsiHandler({ final: 'Z' }, params => this.cursorBackwardTab(params));\n    this._parser.registerCsiHandler({ final: '`' }, params => this.charPosAbsolute(params));\n    this._parser.registerCsiHandler({ final: 'a' }, params => this.hPositionRelative(params));\n    this._parser.registerCsiHandler({ final: 'b' }, params => this.repeatPrecedingCharacter(params));\n    this._parser.registerCsiHandler({ final: 'c' }, params => this.sendDeviceAttributesPrimary(params));\n    this._parser.registerCsiHandler({ prefix: '>', final: 'c' }, params => this.sendDeviceAttributesSecondary(params));\n    this._parser.registerCsiHandler({ final: 'd' }, params => this.linePosAbsolute(params));\n    this._parser.registerCsiHandler({ final: 'e' }, params => this.vPositionRelative(params));\n    this._parser.registerCsiHandler({ final: 'f' }, params => this.hVPosition(params));\n    this._parser.registerCsiHandler({ final: 'g' }, params => this.tabClear(params));\n    this._parser.registerCsiHandler({ final: 'h' }, params => this.setMode(params));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this.setModePrivate(params));\n    this._parser.registerCsiHandler({ final: 'l' }, params => this.resetMode(params));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this.resetModePrivate(params));\n    this._parser.registerCsiHandler({ final: 'm' }, params => this.charAttributes(params));\n    this._parser.registerCsiHandler({ final: 'n' }, params => this.deviceStatus(params));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'n' }, params => this.deviceStatusPrivate(params));\n    this._parser.registerCsiHandler({ intermediates: '!', final: 'p' }, params => this.softReset(params));\n    this._parser.registerCsiHandler({ intermediates: ' ', final: 'q' }, params => this.setCursorStyle(params));\n    this._parser.registerCsiHandler({ final: 'r' }, params => this.setScrollRegion(params));\n    this._parser.registerCsiHandler({ final: 's' }, params => this.saveCursor(params));\n    this._parser.registerCsiHandler({ final: 't' }, params => this.windowOptions(params));\n    this._parser.registerCsiHandler({ final: 'u' }, params => this.restoreCursor(params));\n    this._parser.registerCsiHandler({ intermediates: '\\'', final: '}' }, params => this.insertColumns(params));\n    this._parser.registerCsiHandler({ intermediates: '\\'', final: '~' }, params => this.deleteColumns(params));\n    this._parser.registerCsiHandler({ intermediates: '\"', final: 'q' }, params => this.selectProtected(params));\n    this._parser.registerCsiHandler({ intermediates: '$', final: 'p' }, params => this.requestMode(params, true));\n    this._parser.registerCsiHandler({ prefix: '?', intermediates: '$', final: 'p' }, params => this.requestMode(params, false));\n\n    /**\n     * execute handler\n     */\n    this._parser.setExecuteHandler(C0.BEL, () => this.bell());\n    this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());\n    this._parser.setExecuteHandler(C0.BS, () => this.backspace());\n    this._parser.setExecuteHandler(C0.HT, () => this.tab());\n    this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());\n    this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());\n    // FIXME:   What do to with missing? Old code just added those to print.\n\n    this._parser.setExecuteHandler(C1.IND, () => this.index());\n    this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());\n    this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());\n\n    /**\n     * OSC handler\n     */\n    //   0 - icon name + title\n    this._parser.registerOscHandler(0, new OscHandler(data => { this.setTitle(data); this.setIconName(data); return true; }));\n    //   1 - icon name\n    this._parser.registerOscHandler(1, new OscHandler(data => this.setIconName(data)));\n    //   2 - title\n    this._parser.registerOscHandler(2, new OscHandler(data => this.setTitle(data)));\n    //   3 - set property X in the form \"prop=value\"\n    //   4 - Change Color Number\n    this._parser.registerOscHandler(4, new OscHandler(data => this.setOrReportIndexedColor(data)));\n    //   5 - Change Special Color Number\n    //   6 - Enable/disable Special Color Number c\n    //   7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)\n    //   8 - create hyperlink (not in xterm spec, see https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda)\n    this._parser.registerOscHandler(8, new OscHandler(data => this.setHyperlink(data)));\n    //  10 - Change VT100 text foreground color to Pt.\n    this._parser.registerOscHandler(10, new OscHandler(data => this.setOrReportFgColor(data)));\n    //  11 - Change VT100 text background color to Pt.\n    this._parser.registerOscHandler(11, new OscHandler(data => this.setOrReportBgColor(data)));\n    //  12 - Change text cursor color to Pt.\n    this._parser.registerOscHandler(12, new OscHandler(data => this.setOrReportCursorColor(data)));\n    //  13 - Change mouse foreground color to Pt.\n    //  14 - Change mouse background color to Pt.\n    //  15 - Change Tektronix foreground color to Pt.\n    //  16 - Change Tektronix background color to Pt.\n    //  17 - Change highlight background color to Pt.\n    //  18 - Change Tektronix cursor color to Pt.\n    //  19 - Change highlight foreground color to Pt.\n    //  46 - Change Log File to Pt.\n    //  50 - Set Font to Pt.\n    //  51 - reserved for Emacs shell.\n    //  52 - Manipulate Selection Data.\n    // 104 ; c - Reset Color Number c.\n    this._parser.registerOscHandler(104, new OscHandler(data => this.restoreIndexedColor(data)));\n    // 105 ; c - Reset Special Color Number c.\n    // 106 ; c; f - Enable/disable Special Color Number c.\n    // 110 - Reset VT100 text foreground color.\n    this._parser.registerOscHandler(110, new OscHandler(data => this.restoreFgColor(data)));\n    // 111 - Reset VT100 text background color.\n    this._parser.registerOscHandler(111, new OscHandler(data => this.restoreBgColor(data)));\n    // 112 - Reset text cursor color.\n    this._parser.registerOscHandler(112, new OscHandler(data => this.restoreCursorColor(data)));\n    // 113 - Reset mouse foreground color.\n    // 114 - Reset mouse background color.\n    // 115 - Reset Tektronix foreground color.\n    // 116 - Reset Tektronix background color.\n    // 117 - Reset highlight color.\n    // 118 - Reset Tektronix cursor color.\n    // 119 - Reset highlight foreground color.\n\n    /**\n     * ESC handlers\n     */\n    this._parser.registerEscHandler({ final: '7' }, () => this.saveCursor());\n    this._parser.registerEscHandler({ final: '8' }, () => this.restoreCursor());\n    this._parser.registerEscHandler({ final: 'D' }, () => this.index());\n    this._parser.registerEscHandler({ final: 'E' }, () => this.nextLine());\n    this._parser.registerEscHandler({ final: 'H' }, () => this.tabSet());\n    this._parser.registerEscHandler({ final: 'M' }, () => this.reverseIndex());\n    this._parser.registerEscHandler({ final: '=' }, () => this.keypadApplicationMode());\n    this._parser.registerEscHandler({ final: '>' }, () => this.keypadNumericMode());\n    this._parser.registerEscHandler({ final: 'c' }, () => this.fullReset());\n    this._parser.registerEscHandler({ final: 'n' }, () => this.setgLevel(2));\n    this._parser.registerEscHandler({ final: 'o' }, () => this.setgLevel(3));\n    this._parser.registerEscHandler({ final: '|' }, () => this.setgLevel(3));\n    this._parser.registerEscHandler({ final: '}' }, () => this.setgLevel(2));\n    this._parser.registerEscHandler({ final: '~' }, () => this.setgLevel(1));\n    this._parser.registerEscHandler({ intermediates: '%', final: '@' }, () => this.selectDefaultCharset());\n    this._parser.registerEscHandler({ intermediates: '%', final: 'G' }, () => this.selectDefaultCharset());\n    for (const flag in CHARSETS) {\n      this._parser.registerEscHandler({ intermediates: '(', final: flag }, () => this.selectCharset('(' + flag));\n      this._parser.registerEscHandler({ intermediates: ')', final: flag }, () => this.selectCharset(')' + flag));\n      this._parser.registerEscHandler({ intermediates: '*', final: flag }, () => this.selectCharset('*' + flag));\n      this._parser.registerEscHandler({ intermediates: '+', final: flag }, () => this.selectCharset('+' + flag));\n      this._parser.registerEscHandler({ intermediates: '-', final: flag }, () => this.selectCharset('-' + flag));\n      this._parser.registerEscHandler({ intermediates: '.', final: flag }, () => this.selectCharset('.' + flag));\n      this._parser.registerEscHandler({ intermediates: '/', final: flag }, () => this.selectCharset('/' + flag)); // TODO: supported?\n    }\n    this._parser.registerEscHandler({ intermediates: '#', final: '8' }, () => this.screenAlignmentPattern());\n\n    /**\n     * error handler\n     */\n    this._parser.setErrorHandler((state: IParsingState) => {\n      this._logService.error('Parsing error: ', state);\n      return state;\n    });\n\n    /**\n     * DCS handler\n     */\n    this._parser.registerDcsHandler({ intermediates: '$', final: 'q' }, new DcsHandler((data, params) => this.requestStatusString(data, params)));\n  }\n\n  /**\n   * Async parse support.\n   */\n  private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void {\n    this._parseStack.paused = true;\n    this._parseStack.cursorStartX = cursorStartX;\n    this._parseStack.cursorStartY = cursorStartY;\n    this._parseStack.decodedLength = decodedLength;\n    this._parseStack.position = position;\n  }\n\n  private _logSlowResolvingAsync(p: Promise<boolean>): void {\n    // log a limited warning about an async handler taking too long\n    if (this._logService.logLevel <= LogLevelEnum.WARN) {\n      Promise.race([p, new Promise((res, rej) => setTimeout(() => rej('#SLOW_TIMEOUT'), SLOW_ASYNC_LIMIT))])\n        .catch(err => {\n          if (err !== '#SLOW_TIMEOUT') {\n            throw err;\n          }\n          console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`);\n        });\n    }\n  }\n\n  private _getCurrentLinkId(): number {\n    return this._curAttrData.extended.urlId;\n  }\n\n  /**\n   * Parse call with async handler support.\n   *\n   * Whether the stack state got preserved for the next call, is indicated by the return value:\n   * - undefined (void):\n   *   all handlers were sync, no stack save, continue normally with next chunk\n   * - Promise\\<boolean\\>:\n   *   execution stopped at async handler, stack saved, continue with same chunk and the promise\n   *   resolve value as `promiseResult` until the method returns `undefined`\n   *\n   * Note: This method should only be called by `Terminal.write` to ensure correct execution order\n   * and proper continuation of async parser handlers.\n   */\n  public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean> {\n    let result: void | Promise<boolean>;\n    let cursorStartX = this._activeBuffer.x;\n    let cursorStartY = this._activeBuffer.y;\n    let start = 0;\n    const wasPaused = this._parseStack.paused;\n\n    if (wasPaused) {\n      // assumption: _parseBuffer never mutates between async calls\n      if (result = this._parser.parse(this._parseBuffer, this._parseStack.decodedLength, promiseResult)) {\n        this._logSlowResolvingAsync(result);\n        return result;\n      }\n      cursorStartX = this._parseStack.cursorStartX;\n      cursorStartY = this._parseStack.cursorStartY;\n      this._parseStack.paused = false;\n      if (data.length > MAX_PARSEBUFFER_LENGTH) {\n        start = this._parseStack.position + MAX_PARSEBUFFER_LENGTH;\n      }\n    }\n\n    // Log debug data, the log level gate is to prevent extra work in this hot path\n    if (this._logService.logLevel <= LogLevelEnum.DEBUG) {\n      this._logService.debug(`parsing data${typeof data === 'string' ? ` \"${data}\"` : ` \"${Array.prototype.map.call(data, e => String.fromCharCode(e)).join('')}\"`}`, typeof data === 'string'\n        ? data.split('').map(e => e.charCodeAt(0))\n        : data\n      );\n    }\n\n    // resize input buffer if needed\n    if (this._parseBuffer.length < data.length) {\n      if (this._parseBuffer.length < MAX_PARSEBUFFER_LENGTH) {\n        this._parseBuffer = new Uint32Array(Math.min(data.length, MAX_PARSEBUFFER_LENGTH));\n      }\n    }\n\n    // Clear the dirty row service so we know which lines changed as a result of parsing\n    // Important: do not clear between async calls, otherwise we lost pending update information.\n    if (!wasPaused) {\n      this._dirtyRowTracker.clearRange();\n    }\n\n    // process big data in smaller chunks\n    if (data.length > MAX_PARSEBUFFER_LENGTH) {\n      for (let i = start; i < data.length; i += MAX_PARSEBUFFER_LENGTH) {\n        const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length;\n        const len = (typeof data === 'string')\n          ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer)\n          : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer);\n        if (result = this._parser.parse(this._parseBuffer, len)) {\n          this._preserveStack(cursorStartX, cursorStartY, len, i);\n          this._logSlowResolvingAsync(result);\n          return result;\n        }\n      }\n    } else {\n      if (!wasPaused) {\n        const len = (typeof data === 'string')\n          ? this._stringDecoder.decode(data, this._parseBuffer)\n          : this._utf8Decoder.decode(data, this._parseBuffer);\n        if (result = this._parser.parse(this._parseBuffer, len)) {\n          this._preserveStack(cursorStartX, cursorStartY, len, 0);\n          this._logSlowResolvingAsync(result);\n          return result;\n        }\n      }\n    }\n\n    if (this._activeBuffer.x !== cursorStartX || this._activeBuffer.y !== cursorStartY) {\n      this._onCursorMove.fire();\n    }\n\n    // Refresh any dirty rows accumulated as part of parsing, fire only for rows within the\n    // _viewport_ which is relative to ydisp, not relative to ybase.\n    const viewportEnd = this._dirtyRowTracker.end + (this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);\n    const viewportStart = this._dirtyRowTracker.start + (this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);\n    if (viewportStart < this._bufferService.rows) {\n      this._onRequestRefreshRows.fire(Math.min(viewportStart, this._bufferService.rows - 1), Math.min(viewportEnd, this._bufferService.rows - 1));\n    }\n  }\n\n  public print(data: Uint32Array, start: number, end: number): void {\n    let code: number;\n    let chWidth: number;\n    const charset = this._charsetService.charset;\n    const screenReaderMode = this._optionsService.rawOptions.screenReaderMode;\n    const cols = this._bufferService.cols;\n    const wraparoundMode = this._coreService.decPrivateModes.wraparound;\n    const insertMode = this._coreService.modes.insertMode;\n    const curAttr = this._curAttrData;\n    let bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n\n    // handle wide chars: reset start_cell-1 if we would overwrite the second cell of a wide char\n    if (this._activeBuffer.x && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x - 1) === 2) {\n      bufferRow.setCellFromCodepoint(this._activeBuffer.x - 1, 0, 1, curAttr);\n    }\n\n    let precedingJoinState = this._parser.precedingJoinState;\n    for (let pos = start; pos < end; ++pos) {\n      code = data[pos];\n\n      // get charset replacement character\n      // charset is only defined for ASCII, therefore we only\n      // search for an replacement char if code < 127\n      if (code < 127 && charset) {\n        const ch = charset[String.fromCharCode(code)];\n        if (ch) {\n          code = ch.charCodeAt(0);\n        }\n      }\n\n      const currentInfo = this._unicodeService.charProperties(code, precedingJoinState);\n      chWidth = UnicodeService.extractWidth(currentInfo);\n      const shouldJoin = UnicodeService.extractShouldJoin(currentInfo);\n      const oldWidth = shouldJoin ? UnicodeService.extractWidth(precedingJoinState) : 0;\n      precedingJoinState = currentInfo;\n\n      if (screenReaderMode) {\n        this._onA11yChar.fire(stringFromCodePoint(code));\n      }\n      if (this._getCurrentLinkId()) {\n        this._oscLinkService.addLineToLink(this._getCurrentLinkId(), this._activeBuffer.ybase + this._activeBuffer.y);\n      }\n\n      // goto next line if ch would overflow\n      // NOTE: To avoid costly width checks here,\n      // the terminal does not allow a cols < 2.\n      if (this._activeBuffer.x + chWidth - oldWidth > cols) {\n        // autowrap - DECAWM\n        // automatically wraps to the beginning of the next line\n        if (wraparoundMode) {\n          const oldRow = bufferRow;\n          let oldCol = this._activeBuffer.x - oldWidth;\n          this._activeBuffer.x = oldWidth;\n          this._activeBuffer.y++;\n          if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {\n            this._activeBuffer.y--;\n            this._bufferService.scroll(this._eraseAttrData(), true);\n          } else {\n            if (this._activeBuffer.y >= this._bufferService.rows) {\n              this._activeBuffer.y = this._bufferService.rows - 1;\n            }\n            // The line already exists (eg. the initial viewport), mark it as a\n            // wrapped line\n            this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = true;\n          }\n          // row changed, get it again\n          bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n          if (oldWidth > 0 && bufferRow instanceof BufferLine) {\n            // Combining character widens 1 column to 2.\n            // Move old character to next line.\n            bufferRow.copyCellsFrom(oldRow as BufferLine,\n              oldCol, 0, oldWidth, false);\n          }\n          // clear left over cells to the right\n          while (oldCol < cols) {\n            oldRow.setCellFromCodepoint(oldCol++, 0, 1, curAttr);\n          }\n        } else {\n          this._activeBuffer.x = cols - 1;\n          if (chWidth === 2) {\n            // FIXME: check for xterm behavior\n            // What to do here? We got a wide char that does not fit into last cell\n            continue;\n          }\n        }\n      }\n\n      // insert combining char at last cursor position\n      // this._activeBuffer.x should never be 0 for a combining char\n      // since they always follow a cell consuming char\n      // therefore we can test for this._activeBuffer.x to avoid overflow left\n      if (shouldJoin && this._activeBuffer.x) {\n        const offset = bufferRow.getWidth(this._activeBuffer.x - 1) ? 1 : 2;\n        // if empty cell after fullwidth, need to go 2 cells back\n        // it is save to step 2 cells back here\n        // since an empty cell is only set by fullwidth chars\n        bufferRow.addCodepointToCell(this._activeBuffer.x - offset,\n          code, chWidth);\n        for (let delta = chWidth - oldWidth; --delta >= 0; ) {\n          bufferRow.setCellFromCodepoint(this._activeBuffer.x++, 0, 0, curAttr);\n        }\n        continue;\n      }\n\n      // insert mode: move characters to right\n      if (insertMode) {\n        // right shift cells according to the width\n        bufferRow.insertCells(this._activeBuffer.x, chWidth - oldWidth, this._activeBuffer.getNullCell(curAttr));\n        // test last cell - since the last cell has only room for\n        // a halfwidth char any fullwidth shifted there is lost\n        // and will be set to empty cell\n        if (bufferRow.getWidth(cols - 1) === 2) {\n          bufferRow.setCellFromCodepoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr);\n        }\n      }\n\n      // write current char to buffer and advance cursor\n      bufferRow.setCellFromCodepoint(this._activeBuffer.x++, code, chWidth, curAttr);\n\n      // fullwidth char - also set next cell to placeholder stub and advance cursor\n      // for graphemes bigger than fullwidth we can simply loop to zero\n      // we already made sure above, that this._activeBuffer.x + chWidth will not overflow right\n      if (chWidth > 0) {\n        while (--chWidth) {\n          // other than a regular empty cell a cell following a wide char has no width\n          bufferRow.setCellFromCodepoint(this._activeBuffer.x++, 0, 0, curAttr);\n        }\n      }\n    }\n\n    this._parser.precedingJoinState = precedingJoinState;\n\n    // handle wide chars: reset cell to the right if it is second cell of a wide char\n    if (this._activeBuffer.x < cols && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x) === 0 && !bufferRow.hasContent(this._activeBuffer.x)) {\n      bufferRow.setCellFromCodepoint(this._activeBuffer.x, 0, 1, curAttr);\n    }\n\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n  }\n\n  /**\n   * Forward registerCsiHandler from parser.\n   */\n  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {\n    if (id.final === 't' && !id.prefix && !id.intermediates) {\n      // security: always check whether window option is allowed\n      return this._parser.registerCsiHandler(id, params => {\n        if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {\n          return true;\n        }\n        return callback(params);\n      });\n    }\n    return this._parser.registerCsiHandler(id, callback);\n  }\n\n  /**\n   * Forward registerDcsHandler from parser.\n   */\n  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {\n    return this._parser.registerDcsHandler(id, new DcsHandler(callback));\n  }\n\n  /**\n   * Forward registerEscHandler from parser.\n   */\n  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {\n    return this._parser.registerEscHandler(id, callback);\n  }\n\n  /**\n   * Forward registerOscHandler from parser.\n   */\n  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this._parser.registerOscHandler(ident, new OscHandler(callback));\n  }\n\n  /**\n   * BEL\n   * Bell (Ctrl-G).\n   *\n   * @vt: #Y   C0    BEL   \"Bell\"  \"\\a, \\x07\"  \"Ring the bell.\"\n   * The behavior of the bell is further customizable with `ITerminalOptions.bellStyle`\n   * and `ITerminalOptions.bellSound`.\n   */\n  public bell(): boolean {\n    this._onRequestBell.fire();\n    return true;\n  }\n\n  /**\n   * LF\n   * Line Feed or New Line (NL).  (LF  is Ctrl-J).\n   *\n   * @vt: #Y   C0    LF   \"Line Feed\"            \"\\n, \\x0A\"  \"Move the cursor one row down, scrolling if needed.\"\n   * Scrolling is restricted to scroll margins and will only happen on the bottom line.\n   *\n   * @vt: #Y   C0    VT   \"Vertical Tabulation\"  \"\\v, \\x0B\"  \"Treated as LF.\"\n   * @vt: #Y   C0    FF   \"Form Feed\"            \"\\f, \\x0C\"  \"Treated as LF.\"\n   */\n  public lineFeed(): boolean {\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    if (this._optionsService.rawOptions.convertEol) {\n      this._activeBuffer.x = 0;\n    }\n    this._activeBuffer.y++;\n    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {\n      this._activeBuffer.y--;\n      this._bufferService.scroll(this._eraseAttrData());\n    } else if (this._activeBuffer.y >= this._bufferService.rows) {\n      this._activeBuffer.y = this._bufferService.rows - 1;\n    } else {\n      // There was an explicit line feed (not just a carriage return), so clear the wrapped state of\n      // the line. This is particularly important on conpty/Windows where revisiting lines to\n      // reprint is common, especially on resize. Note that the windowsMode wrapped line heuristics\n      // can mess with this so windowsMode should be disabled, which is recommended on Windows build\n      // 21376 and above.\n      this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      this._activeBuffer.x--;\n    }\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n\n    this._onLineFeed.fire();\n    return true;\n  }\n\n  /**\n   * CR\n   * Carriage Return (Ctrl-M).\n   *\n   * @vt: #Y   C0    CR   \"Carriage Return\"  \"\\r, \\x0D\"  \"Move the cursor to the beginning of the row.\"\n   */\n  public carriageReturn(): boolean {\n    this._activeBuffer.x = 0;\n    return true;\n  }\n\n  /**\n   * BS\n   * Backspace (Ctrl-H).\n   *\n   * @vt: #Y   C0    BS   \"Backspace\"  \"\\b, \\x08\"  \"Move the cursor one position to the left.\"\n   * By default it is not possible to move the cursor past the leftmost position.\n   * If `reverse wrap-around` (`CSI ? 45 h`) is set, a previous soft line wrap (DECAWM)\n   * can be undone with BS within the scroll margins. In that case the cursor will wrap back\n   * to the end of the previous row. Note that it is not possible to peek back into the scrollbuffer\n   * with the cursor, thus at the home position (top-leftmost cell) this has no effect.\n   */\n  public backspace(): boolean {\n    // reverse wrap-around is disabled\n    if (!this._coreService.decPrivateModes.reverseWraparound) {\n      this._restrictCursor();\n      if (this._activeBuffer.x > 0) {\n        this._activeBuffer.x--;\n      }\n      return true;\n    }\n\n    // reverse wrap-around is enabled\n    // other than for normal operation mode, reverse wrap-around allows the cursor\n    // to be at x=cols to be able to address the last cell of a row by BS\n    this._restrictCursor(this._bufferService.cols);\n\n    if (this._activeBuffer.x > 0) {\n      this._activeBuffer.x--;\n    } else {\n      /**\n       * reverse wrap-around handling:\n       * Our implementation deviates from xterm on purpose. Details:\n       * - only previous soft NLs can be reversed (isWrapped=true)\n       * - only works within scrollborders (top/bottom, left/right not yet supported)\n       * - cannot peek into scrollbuffer\n       * - any cursor movement sequence keeps working as expected\n       */\n      if (this._activeBuffer.x === 0\n        && this._activeBuffer.y > this._activeBuffer.scrollTop\n        && this._activeBuffer.y <= this._activeBuffer.scrollBottom\n        && this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)?.isWrapped) {\n        this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;\n        this._activeBuffer.y--;\n        this._activeBuffer.x = this._bufferService.cols - 1;\n        // find last taken cell - last cell can have 3 different states:\n        // - hasContent(true) + hasWidth(1): narrow char - we are done\n        // - hasWidth(0): second part of wide char - we are done\n        // - hasContent(false) + hasWidth(1): empty cell due to early wrapping wide char, go one\n        //   cell further back\n        const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n        if (line.hasWidth(this._activeBuffer.x) && !line.hasContent(this._activeBuffer.x)) {\n          this._activeBuffer.x--;\n          // We do this only once, since width=1 + hasContent=false currently happens only once\n          // before early wrapping of a wide char.\n          // This needs to be fixed once we support graphemes taking more than 2 cells.\n        }\n      }\n    }\n    this._restrictCursor();\n    return true;\n  }\n\n  /**\n   * TAB\n   * Horizontal Tab (HT) (Ctrl-I).\n   *\n   * @vt: #Y   C0    HT   \"Horizontal Tabulation\"  \"\\t, \\x09\"  \"Move the cursor to the next character tab stop.\"\n   */\n  public tab(): boolean {\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      return true;\n    }\n    const originalX = this._activeBuffer.x;\n    this._activeBuffer.x = this._activeBuffer.nextStop();\n    if (this._optionsService.rawOptions.screenReaderMode) {\n      this._onA11yTab.fire(this._activeBuffer.x - originalX);\n    }\n    return true;\n  }\n\n  /**\n   * SO\n   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the\n   * G1 character set.\n   *\n   * @vt: #P[Only limited ISO-2022 charset support.]  C0    SO   \"Shift Out\"  \"\\x0E\"  \"Switch to an alternative character set.\"\n   */\n  public shiftOut(): boolean {\n    this._charsetService.setgLevel(1);\n    return true;\n  }\n\n  /**\n   * SI\n   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0\n   * character set (the default).\n   *\n   * @vt: #Y   C0    SI   \"Shift In\"   \"\\x0F\"  \"Return to regular character set after Shift Out.\"\n   */\n  public shiftIn(): boolean {\n    this._charsetService.setgLevel(0);\n    return true;\n  }\n\n  /**\n   * Restrict cursor to viewport size / scroll margin (origin mode).\n   */\n  private _restrictCursor(maxCol: number = this._bufferService.cols - 1): void {\n    this._activeBuffer.x = Math.min(maxCol, Math.max(0, this._activeBuffer.x));\n    this._activeBuffer.y = this._coreService.decPrivateModes.origin\n      ? Math.min(this._activeBuffer.scrollBottom, Math.max(this._activeBuffer.scrollTop, this._activeBuffer.y))\n      : Math.min(this._bufferService.rows - 1, Math.max(0, this._activeBuffer.y));\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n  }\n\n  /**\n   * Set absolute cursor position.\n   */\n  private _setCursor(x: number, y: number): void {\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    if (this._coreService.decPrivateModes.origin) {\n      this._activeBuffer.x = x;\n      this._activeBuffer.y = this._activeBuffer.scrollTop + y;\n    } else {\n      this._activeBuffer.x = x;\n      this._activeBuffer.y = y;\n    }\n    this._restrictCursor();\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n  }\n\n  /**\n   * Set relative cursor position.\n   */\n  private _moveCursor(x: number, y: number): void {\n    // for relative changes we have to make sure we are within 0 .. cols/rows - 1\n    // before calculating the new position\n    this._restrictCursor();\n    this._setCursor(this._activeBuffer.x + x, this._activeBuffer.y + y);\n  }\n\n  /**\n   * CSI Ps A\n   * Cursor Up Ps Times (default = 1) (CUU).\n   *\n   * @vt: #Y CSI CUU   \"Cursor Up\"   \"CSI Ps A\"  \"Move cursor `Ps` times up (default=1).\"\n   * If the cursor would pass the top scroll margin, it will stop there.\n   */\n  public cursorUp(params: IParams): boolean {\n    // stop at scrollTop\n    const diffToTop = this._activeBuffer.y - this._activeBuffer.scrollTop;\n    if (diffToTop >= 0) {\n      this._moveCursor(0, -Math.min(diffToTop, params.params[0] || 1));\n    } else {\n      this._moveCursor(0, -(params.params[0] || 1));\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps B\n   * Cursor Down Ps Times (default = 1) (CUD).\n   *\n   * @vt: #Y CSI CUD   \"Cursor Down\"   \"CSI Ps B\"  \"Move cursor `Ps` times down (default=1).\"\n   * If the cursor would pass the bottom scroll margin, it will stop there.\n   */\n  public cursorDown(params: IParams): boolean {\n    // stop at scrollBottom\n    const diffToBottom = this._activeBuffer.scrollBottom - this._activeBuffer.y;\n    if (diffToBottom >= 0) {\n      this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1));\n    } else {\n      this._moveCursor(0, params.params[0] || 1);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps C\n   * Cursor Forward Ps Times (default = 1) (CUF).\n   *\n   * @vt: #Y CSI CUF   \"Cursor Forward\"    \"CSI Ps C\"  \"Move cursor `Ps` times forward (default=1).\"\n   */\n  public cursorForward(params: IParams): boolean {\n    this._moveCursor(params.params[0] || 1, 0);\n    return true;\n  }\n\n  /**\n   * CSI Ps D\n   * Cursor Backward Ps Times (default = 1) (CUB).\n   *\n   * @vt: #Y CSI CUB   \"Cursor Backward\"   \"CSI Ps D\"  \"Move cursor `Ps` times backward (default=1).\"\n   */\n  public cursorBackward(params: IParams): boolean {\n    this._moveCursor(-(params.params[0] || 1), 0);\n    return true;\n  }\n\n  /**\n   * CSI Ps E\n   * Cursor Next Line Ps Times (default = 1) (CNL).\n   * Other than cursorDown (CUD) also set the cursor to first column.\n   *\n   * @vt: #Y CSI CNL   \"Cursor Next Line\"  \"CSI Ps E\"  \"Move cursor `Ps` times down (default=1) and to the first column.\"\n   * Same as CUD, additionally places the cursor at the first column.\n   */\n  public cursorNextLine(params: IParams): boolean {\n    this.cursorDown(params);\n    this._activeBuffer.x = 0;\n    return true;\n  }\n\n  /**\n   * CSI Ps F\n   * Cursor Previous Line Ps Times (default = 1) (CPL).\n   * Other than cursorUp (CUU) also set the cursor to first column.\n   *\n   * @vt: #Y CSI CPL   \"Cursor Backward\"   \"CSI Ps F\"  \"Move cursor `Ps` times up (default=1) and to the first column.\"\n   * Same as CUU, additionally places the cursor at the first column.\n   */\n  public cursorPrecedingLine(params: IParams): boolean {\n    this.cursorUp(params);\n    this._activeBuffer.x = 0;\n    return true;\n  }\n\n  /**\n   * CSI Ps G\n   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).\n   *\n   * @vt: #Y CSI CHA   \"Cursor Horizontal Absolute\" \"CSI Ps G\" \"Move cursor to `Ps`-th column of the active row (default=1).\"\n   */\n  public cursorCharAbsolute(params: IParams): boolean {\n    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps H\n   * Cursor Position [row;column] (default = [1,1]) (CUP).\n   *\n   * @vt: #Y CSI CUP   \"Cursor Position\"   \"CSI Ps ; Ps H\"  \"Set cursor to position [`Ps`, `Ps`] (default = [1, 1]).\"\n   * If ORIGIN mode is set, places the cursor to the absolute position within the scroll margins.\n   * If ORIGIN mode is not set, places the cursor to the absolute position within the viewport.\n   * Note that the coordinates are 1-based, thus the top left position starts at `1 ; 1`.\n   */\n  public cursorPosition(params: IParams): boolean {\n    this._setCursor(\n      // col\n      (params.length >= 2) ? (params.params[1] || 1) - 1 : 0,\n      // row\n      (params.params[0] || 1) - 1\n    );\n    return true;\n  }\n\n  /**\n   * CSI Pm `  Character Position Absolute\n   *   [column] (default = [row,1]) (HPA).\n   * Currently same functionality as CHA.\n   *\n   * @vt: #Y CSI HPA   \"Horizontal Position Absolute\"  \"CSI Ps ` \" \"Same as CHA.\"\n   */\n  public charPosAbsolute(params: IParams): boolean {\n    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);\n    return true;\n  }\n\n  /**\n   * CSI Pm a  Character Position Relative\n   *   [columns] (default = [row,col+1]) (HPR)\n   *\n   * @vt: #Y CSI HPR   \"Horizontal Position Relative\"  \"CSI Ps a\"  \"Same as CUF.\"\n   */\n  public hPositionRelative(params: IParams): boolean {\n    this._moveCursor(params.params[0] || 1, 0);\n    return true;\n  }\n\n  /**\n   * CSI Pm d  Vertical Position Absolute (VPA)\n   *   [row] (default = [1,column])\n   *\n   * @vt: #Y CSI VPA   \"Vertical Position Absolute\"    \"CSI Ps d\"  \"Move cursor to `Ps`-th row (default=1).\"\n   */\n  public linePosAbsolute(params: IParams): boolean {\n    this._setCursor(this._activeBuffer.x, (params.params[0] || 1) - 1);\n    return true;\n  }\n\n  /**\n   * CSI Pm e  Vertical Position Relative (VPR)\n   *   [rows] (default = [row+1,column])\n   * reuse CSI Ps B ?\n   *\n   * @vt: #Y CSI VPR   \"Vertical Position Relative\"    \"CSI Ps e\"  \"Move cursor `Ps` times down (default=1).\"\n   */\n  public vPositionRelative(params: IParams): boolean {\n    this._moveCursor(0, params.params[0] || 1);\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps f\n   *   Horizontal and Vertical Position [row;column] (default =\n   *   [1,1]) (HVP).\n   *   Same as CUP.\n   *\n   * @vt: #Y CSI HVP   \"Horizontal and Vertical Position\" \"CSI Ps ; Ps f\"  \"Same as CUP.\"\n   */\n  public hVPosition(params: IParams): boolean {\n    this.cursorPosition(params);\n    return true;\n  }\n\n  /**\n   * CSI Ps g  Tab Clear (TBC).\n   *     Ps = 0  -> Clear Current Column (default).\n   *     Ps = 3  -> Clear All.\n   * Potentially:\n   *   Ps = 2  -> Clear Stops on Line.\n   *   http://vt100.net/annarbor/aaa-ug/section6.html\n   *\n   * @vt: #Y CSI TBC   \"Tab Clear\" \"CSI Ps g\"  \"Clear tab stops at current position (0) or all (3) (default=0).\"\n   * Clearing tabstops off the active row (Ps = 2, VT100) is currently not supported.\n   */\n  public tabClear(params: IParams): boolean {\n    const param = params.params[0];\n    if (param === 0) {\n      delete this._activeBuffer.tabs[this._activeBuffer.x];\n    } else if (param === 3) {\n      this._activeBuffer.tabs = {};\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps I\n   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n   *\n   * @vt: #Y CSI CHT   \"Cursor Horizontal Tabulation\" \"CSI Ps I\" \"Move cursor `Ps` times tabs forward (default=1).\"\n   */\n  public cursorForwardTab(params: IParams): boolean {\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      return true;\n    }\n    let param = params.params[0] || 1;\n    while (param--) {\n      this._activeBuffer.x = this._activeBuffer.nextStop();\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n   *\n   * @vt: #Y CSI CBT   \"Cursor Backward Tabulation\"  \"CSI Ps Z\"  \"Move cursor `Ps` tabs backward (default=1).\"\n   */\n  public cursorBackwardTab(params: IParams): boolean {\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      return true;\n    }\n    let param = params.params[0] || 1;\n\n    while (param--) {\n      this._activeBuffer.x = this._activeBuffer.prevStop();\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps \" q  Select Character Protection Attribute (DECSCA).\n   *\n   * @vt: #Y CSI DECSCA   \"Select Character Protection Attribute\"  \"CSI Ps \" q\"  \"Whether DECSED and DECSEL can erase (0=default, 2) or not (1).\"\n   */\n  public selectProtected(params: IParams): boolean {\n    const p = params.params[0];\n    if (p === 1) this._curAttrData.bg |= BgFlags.PROTECTED;\n    if (p === 2 || p === 0) this._curAttrData.bg &= ~BgFlags.PROTECTED;\n    return true;\n  }\n\n\n  /**\n   * Helper method to erase cells in a terminal row.\n   * The cell gets replaced with the eraseChar of the terminal.\n   * @param y The row index relative to the viewport.\n   * @param start The start x index of the range to be erased.\n   * @param end The end x index of the range to be erased (exclusive).\n   * @param clearWrap clear the isWrapped flag\n   * @param respectProtect Whether to respect the protection attribute (DECSCA).\n   */\n  private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false, respectProtect: boolean = false): void {\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n    line.replaceCells(\n      start,\n      end,\n      this._activeBuffer.getNullCell(this._eraseAttrData()),\n      respectProtect\n    );\n    if (clearWrap) {\n      line.isWrapped = false;\n    }\n  }\n\n  /**\n   * Helper method to reset cells in a terminal row. The cell gets replaced with the eraseChar of\n   * the terminal and the isWrapped property is set to false.\n   * @param y row index\n   */\n  private _resetBufferLine(y: number, respectProtect: boolean = false): void {\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y);\n    if (line) {\n      line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()), respectProtect);\n      this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase + y);\n      line.isWrapped = false;\n    }\n  }\n\n  /**\n   * CSI Ps J  Erase in Display (ED).\n   *     Ps = 0  -> Erase Below (default).\n   *     Ps = 1  -> Erase Above.\n   *     Ps = 2  -> Erase All.\n   *     Ps = 3  -> Erase Saved Lines (xterm).\n   * CSI ? Ps J\n   *   Erase in Display (DECSED).\n   *     Ps = 0  -> Selective Erase Below (default).\n   *     Ps = 1  -> Selective Erase Above.\n   *     Ps = 2  -> Selective Erase All.\n   *\n   * @vt: #Y CSI ED  \"Erase In Display\"  \"CSI Ps J\"  \"Erase various parts of the viewport.\"\n   * Supported param values:\n   *\n   * | Ps | Effect                                                       |\n   * | -- | ------------------------------------------------------------ |\n   * | 0  | Erase from the cursor through the end of the viewport.       |\n   * | 1  | Erase from the beginning of the viewport through the cursor. |\n   * | 2  | Erase complete viewport.                                     |\n   * | 3  | Erase scrollback.                                            |\n   *\n   * @vt: #Y CSI DECSED   \"Selective Erase In Display\"  \"CSI ? Ps J\"  \"Same as ED with respecting protection flag.\"\n   */\n  public eraseInDisplay(params: IParams, respectProtect: boolean = false): boolean {\n    this._restrictCursor(this._bufferService.cols);\n    let j;\n    switch (params.params[0]) {\n      case 0:\n        j = this._activeBuffer.y;\n        this._dirtyRowTracker.markDirty(j);\n        this._eraseInBufferLine(j++, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);\n        for (; j < this._bufferService.rows; j++) {\n          this._resetBufferLine(j, respectProtect);\n        }\n        this._dirtyRowTracker.markDirty(j);\n        break;\n      case 1:\n        j = this._activeBuffer.y;\n        this._dirtyRowTracker.markDirty(j);\n        // Deleted front part of line and everything before. This line will no longer be wrapped.\n        this._eraseInBufferLine(j, 0, this._activeBuffer.x + 1, true, respectProtect);\n        if (this._activeBuffer.x + 1 >= this._bufferService.cols) {\n          // Deleted entire previous line. This next line can no longer be wrapped.\n          this._activeBuffer.lines.get(j + 1)!.isWrapped = false;\n        }\n        while (j--) {\n          this._resetBufferLine(j, respectProtect);\n        }\n        this._dirtyRowTracker.markDirty(0);\n        break;\n      case 2:\n        j = this._bufferService.rows;\n        this._dirtyRowTracker.markDirty(j - 1);\n        while (j--) {\n          this._resetBufferLine(j, respectProtect);\n        }\n        this._dirtyRowTracker.markDirty(0);\n        break;\n      case 3:\n        // Clear scrollback (everything not in viewport)\n        const scrollBackSize = this._activeBuffer.lines.length - this._bufferService.rows;\n        if (scrollBackSize > 0) {\n          this._activeBuffer.lines.trimStart(scrollBackSize);\n          this._activeBuffer.ybase = Math.max(this._activeBuffer.ybase - scrollBackSize, 0);\n          this._activeBuffer.ydisp = Math.max(this._activeBuffer.ydisp - scrollBackSize, 0);\n          // Force a scroll event to refresh viewport\n          this._onScroll.fire(0);\n        }\n        break;\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps K  Erase in Line (EL).\n   *     Ps = 0  -> Erase to Right (default).\n   *     Ps = 1  -> Erase to Left.\n   *     Ps = 2  -> Erase All.\n   * CSI ? Ps K\n   *   Erase in Line (DECSEL).\n   *     Ps = 0  -> Selective Erase to Right (default).\n   *     Ps = 1  -> Selective Erase to Left.\n   *     Ps = 2  -> Selective Erase All.\n   *\n   * @vt: #Y CSI EL    \"Erase In Line\"  \"CSI Ps K\"  \"Erase various parts of the active row.\"\n   * Supported param values:\n   *\n   * | Ps | Effect                                                   |\n   * | -- | -------------------------------------------------------- |\n   * | 0  | Erase from the cursor through the end of the row.        |\n   * | 1  | Erase from the beginning of the line through the cursor. |\n   * | 2  | Erase complete line.                                     |\n   *\n   * @vt: #Y CSI DECSEL   \"Selective Erase In Line\"  \"CSI ? Ps K\"  \"Same as EL with respecting protecting flag.\"\n   */\n  public eraseInLine(params: IParams, respectProtect: boolean = false): boolean {\n    this._restrictCursor(this._bufferService.cols);\n    switch (params.params[0]) {\n      case 0:\n        this._eraseInBufferLine(this._activeBuffer.y, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);\n        break;\n      case 1:\n        this._eraseInBufferLine(this._activeBuffer.y, 0, this._activeBuffer.x + 1, false, respectProtect);\n        break;\n      case 2:\n        this._eraseInBufferLine(this._activeBuffer.y, 0, this._bufferService.cols, true, respectProtect);\n        break;\n    }\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    return true;\n  }\n\n  /**\n   * CSI Ps L\n   * Insert Ps Line(s) (default = 1) (IL).\n   *\n   * @vt: #Y CSI IL  \"Insert Line\"   \"CSI Ps L\"  \"Insert `Ps` blank lines at active row (default=1).\"\n   * For every inserted line at the scroll top one line at the scroll bottom gets removed.\n   * The cursor is set to the first column.\n   * IL has no effect if the cursor is outside the scroll margins.\n   */\n  public insertLines(params: IParams): boolean {\n    this._restrictCursor();\n    let param = params.params[0] || 1;\n\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n\n    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;\n\n    const scrollBottomRowsOffset = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;\n    const scrollBottomAbsolute = this._bufferService.rows - 1 + this._activeBuffer.ybase - scrollBottomRowsOffset + 1;\n    while (param--) {\n      // test: echo -e '\\e[44m\\e[1L\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._activeBuffer.lines.splice(scrollBottomAbsolute - 1, 1);\n      this._activeBuffer.lines.splice(row, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n    }\n\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);\n    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?\n    return true;\n  }\n\n  /**\n   * CSI Ps M\n   * Delete Ps Line(s) (default = 1) (DL).\n   *\n   * @vt: #Y CSI DL  \"Delete Line\"   \"CSI Ps M\"  \"Delete `Ps` lines at active row (default=1).\"\n   * For every deleted line at the scroll top one blank line at the scroll bottom gets appended.\n   * The cursor is set to the first column.\n   * DL has no effect if the cursor is outside the scroll margins.\n   */\n  public deleteLines(params: IParams): boolean {\n    this._restrictCursor();\n    let param = params.params[0] || 1;\n\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n\n    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;\n\n    let j: number;\n    j = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;\n    j = this._bufferService.rows - 1 + this._activeBuffer.ybase - j;\n    while (param--) {\n      // test: echo -e '\\e[44m\\e[1M\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._activeBuffer.lines.splice(row, 1);\n      this._activeBuffer.lines.splice(j, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n    }\n\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);\n    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?\n    return true;\n  }\n\n  /**\n   * CSI Ps @\n   * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n   *\n   * @vt: #Y CSI ICH  \"Insert Characters\"   \"CSI Ps @\"  \"Insert `Ps` (blank) characters (default = 1).\"\n   * The ICH sequence inserts `Ps` blank characters. The cursor remains at the beginning of the\n   * blank characters. Text between the cursor and right margin moves to the right. Characters moved\n   * past the right margin are lost.\n   *\n   *\n   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)\n   */\n  public insertChars(params: IParams): boolean {\n    this._restrictCursor();\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);\n    if (line) {\n      line.insertCells(\n        this._activeBuffer.x,\n        params.params[0] || 1,\n        this._activeBuffer.getNullCell(this._eraseAttrData())\n      );\n      this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps P\n   * Delete Ps Character(s) (default = 1) (DCH).\n   *\n   * @vt: #Y CSI DCH   \"Delete Character\"  \"CSI Ps P\"  \"Delete `Ps` characters (default=1).\"\n   * As characters are deleted, the remaining characters between the cursor and right margin move to\n   * the left. Character attributes move with the characters. The terminal adds blank characters at\n   * the right margin.\n   *\n   *\n   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)\n   */\n  public deleteChars(params: IParams): boolean {\n    this._restrictCursor();\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);\n    if (line) {\n      line.deleteCells(\n        this._activeBuffer.x,\n        params.params[0] || 1,\n        this._activeBuffer.getNullCell(this._eraseAttrData())\n      );\n      this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).\n   *\n   * @vt: #Y CSI SU  \"Scroll Up\"   \"CSI Ps S\"  \"Scroll `Ps` lines up (default=1).\"\n   *\n   *\n   * FIXME: scrolled out lines at top = 1 should add to scrollback (xterm)\n   */\n  public scrollUp(params: IParams): boolean {\n    let param = params.params[0] || 1;\n\n    while (param--) {\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 1);\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).\n   *\n   * @vt: #Y CSI SD  \"Scroll Down\"   \"CSI Ps T\"  \"Scroll `Ps` lines down (default=1).\"\n   */\n  public scrollDown(params: IParams): boolean {\n    let param = params.params[0] || 1;\n\n    while (param--) {\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 1);\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 0, this._activeBuffer.getBlankLine(DEFAULT_ATTR_DATA));\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps SP @  Scroll left Ps columns (default = 1) (SL) ECMA-48\n   *\n   * Notation: (Pn)\n   * Representation: CSI Pn 02/00 04/00\n   * Parameter default value: Pn = 1\n   * SL causes the data in the presentation component to be moved by n character positions\n   * if the line orientation is horizontal, or by n line positions if the line orientation\n   * is vertical, such that the data appear to move to the left; where n equals the value of Pn.\n   * The active presentation position is not affected by this control function.\n   *\n   * Supported:\n   *   - always left shift (no line orientation setting respected)\n   *\n   * @vt: #Y CSI SL  \"Scroll Left\" \"CSI Ps SP @\" \"Scroll viewport `Ps` times to the left.\"\n   * SL moves the content of all lines within the scroll margins `Ps` times to the left.\n   * SL has no effect outside of the scroll margins.\n   */\n  public scrollLeft(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.deleteCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()));\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps SP A  Scroll right Ps columns (default = 1) (SR) ECMA-48\n   *\n   * Notation: (Pn)\n   * Representation: CSI Pn 02/00 04/01\n   * Parameter default value: Pn = 1\n   * SR causes the data in the presentation component to be moved by n character positions\n   * if the line orientation is horizontal, or by n line positions if the line orientation\n   * is vertical, such that the data appear to move to the right; where n equals the value of Pn.\n   * The active presentation position is not affected by this control function.\n   *\n   * Supported:\n   *   - always right shift (no line orientation setting respected)\n   *\n   * @vt: #Y CSI SR  \"Scroll Right\"  \"CSI Ps SP A\"   \"Scroll viewport `Ps` times to the right.\"\n   * SL moves the content of all lines within the scroll margins `Ps` times to the right.\n   * Content at the right margin is lost.\n   * SL has no effect outside of the scroll margins.\n   */\n  public scrollRight(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.insertCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()));\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Pm ' }\n   * Insert Ps Column(s) (default = 1) (DECIC), VT420 and up.\n   *\n   * @vt: #Y CSI DECIC \"Insert Columns\"  \"CSI Ps ' }\"  \"Insert `Ps` columns at cursor position.\"\n   * DECIC inserts `Ps` times blank columns at the cursor position for all lines with the scroll\n   * margins, moving content to the right. Content at the right margin is lost. DECIC has no effect\n   * outside the scrolling margins.\n   */\n  public insertColumns(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.insertCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()));\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Pm ' ~\n   * Delete Ps Column(s) (default = 1) (DECDC), VT420 and up.\n   *\n   * @vt: #Y CSI DECDC \"Delete Columns\"  \"CSI Ps ' ~\"  \"Delete `Ps` columns at cursor position.\"\n   * DECDC deletes `Ps` times columns at the cursor position for all lines with the scroll margins,\n   * moving content to the left. Blank columns are added at the right margin.\n   * DECDC has no effect outside the scrolling margins.\n   */\n  public deleteColumns(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.deleteCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()));\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps X\n   * Erase Ps Character(s) (default = 1) (ECH).\n   *\n   * @vt: #Y CSI ECH   \"Erase Character\"   \"CSI Ps X\"  \"Erase `Ps` characters from current cursor position to the right (default=1).\"\n   * ED erases `Ps` characters from current cursor position to the right.\n   * ED works inside or outside the scrolling margins.\n   */\n  public eraseChars(params: IParams): boolean {\n    this._restrictCursor();\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);\n    if (line) {\n      line.replaceCells(\n        this._activeBuffer.x,\n        this._activeBuffer.x + (params.params[0] || 1),\n        this._activeBuffer.getNullCell(this._eraseAttrData())\n      );\n      this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).\n   * From ECMA 48 (@see http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf)\n   *    Notation: (Pn)\n   *    Representation: CSI Pn 06/02\n   *    Parameter default value: Pn = 1\n   *    REP is used to indicate that the preceding character in the data stream,\n   *    if it is a graphic character (represented by one or more bit combinations) including SPACE,\n   *    is to be repeated n times, where n equals the value of Pn.\n   *    If the character preceding REP is a control function or part of a control function,\n   *    the effect of REP is not defined by this Standard.\n   *\n   * We extend xterm's behavior to allow repeating entire grapheme clusters.\n   * This isn't 100% xterm-compatible, but it seems saner and more useful.\n   *    - text attrs are applied normally\n   *    - wrap around is respected\n   *    - any valid sequence resets the carried forward char\n   *\n   * Note: To get reset on a valid sequence working correctly without much runtime penalty, the\n   * preceding codepoint is stored on the parser in `this.print` and reset during `parser.parse`.\n   *\n   * @vt: #Y CSI REP   \"Repeat Preceding Character\"    \"CSI Ps b\"  \"Repeat preceding character `Ps` times (default=1).\"\n   * REP repeats the previous character `Ps` times advancing the cursor, also wrapping if DECAWM is\n   * set. REP has no effect if the sequence does not follow a printable ASCII character\n   * (NOOP for any other sequence in between or NON ASCII characters).\n   */\n  public repeatPrecedingCharacter(params: IParams): boolean {\n    const joinState = this._parser.precedingJoinState;\n    if (!joinState) {\n      return true;\n    }\n    // call print to insert the chars and handle correct wrapping\n    const length = params.params[0] || 1;\n    const chWidth = UnicodeService.extractWidth(joinState);\n    const x = this._activeBuffer.x - chWidth;\n    const bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n    const text = bufferRow.getString(x);\n    const data = new Uint32Array(text.length * length);\n    let idata = 0;\n    for (let itext = 0; itext < text.length; ) {\n      const ch = text.codePointAt(itext) || 0;\n      data[idata++] = ch;\n      itext += ch > 0xffff ? 2 : 1;\n    }\n    let tlength = idata;\n    for (let i = 1; i < length; ++i) {\n      data.copyWithin(tlength, 0, idata);\n      tlength += idata;\n    }\n    this.print(data, 0, tlength);\n    return true;\n  }\n\n  /**\n   * CSI Ps c  Send Device Attributes (Primary DA).\n   *     Ps = 0  or omitted -> request attributes from terminal.  The\n   *     response depends on the decTerminalID resource setting.\n   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')\n   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')\n   *     -> CSI ? 6 c  (``VT102'')\n   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')\n   *   The VT100-style response parameters do not mean anything by\n   *   themselves.  VT220 parameters do, telling the host what fea-\n   *   tures the terminal supports:\n   *     Ps = 1  -> 132-columns.\n   *     Ps = 2  -> Printer.\n   *     Ps = 6  -> Selective erase.\n   *     Ps = 8  -> User-defined keys.\n   *     Ps = 9  -> National replacement character sets.\n   *     Ps = 1 5  -> Technical characters.\n   *     Ps = 2 2  -> ANSI color, e.g., VT525.\n   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).\n   *\n   * @vt: #Y CSI DA1   \"Primary Device Attributes\"     \"CSI c\"  \"Send primary device attributes.\"\n   *\n   *\n   * TODO: fix and cleanup response\n   */\n  public sendDeviceAttributesPrimary(params: IParams): boolean {\n    if (params.params[0] > 0) {\n      return true;\n    }\n    if (this._is('xterm') || this._is('rxvt-unicode') || this._is('screen')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[?1;2c');\n    } else if (this._is('linux')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[?6c');\n    }\n    return true;\n  }\n\n  /**\n   * CSI > Ps c\n   *   Send Device Attributes (Secondary DA).\n   *     Ps = 0  or omitted -> request the terminal's identification\n   *     code.  The response depends on the decTerminalID resource set-\n   *     ting.  It should apply only to VT220 and up, but xterm extends\n   *     this to VT100.\n   *     -> CSI  > Pp ; Pv ; Pc c\n   *   where Pp denotes the terminal type\n   *     Pp = 0  -> ``VT100''.\n   *     Pp = 1  -> ``VT220''.\n   *   and Pv is the firmware version (for xterm, this was originally\n   *   the XFree86 patch number, starting with 95).  In a DEC termi-\n   *   nal, Pc indicates the ROM cartridge registration number and is\n   *   always zero.\n   * More information:\n   *   xterm/charproc.c - line 2012, for more information.\n   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n   *\n   * @vt: #Y CSI DA2   \"Secondary Device Attributes\"   \"CSI > c\" \"Send primary device attributes.\"\n   *\n   *\n   * TODO: fix and cleanup response\n   */\n  public sendDeviceAttributesSecondary(params: IParams): boolean {\n    if (params.params[0] > 0) {\n      return true;\n    }\n    // xterm and urxvt\n    // seem to spit this\n    // out around ~370 times (?).\n    if (this._is('xterm')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[>0;276;0c');\n    } else if (this._is('rxvt-unicode')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[>85;95;0c');\n    } else if (this._is('linux')) {\n      // not supported by linux console.\n      // linux console echoes parameters.\n      this._coreService.triggerDataEvent(params.params[0] + 'c');\n    } else if (this._is('screen')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[>83;40003;0c');\n    }\n    return true;\n  }\n\n  /**\n   * Evaluate if the current terminal is the given argument.\n   * @param term The terminal name to evaluate\n   */\n  private _is(term: string): boolean {\n    return (this._optionsService.rawOptions.termName + '').indexOf(term) === 0;\n  }\n\n  /**\n   * CSI Pm h  Set Mode (SM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Insert Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Automatic Newline (LNM).\n   *\n   * @vt: #P[Only IRM is supported.]    CSI SM    \"Set Mode\"  \"CSI Pm h\"  \"Set various terminal modes.\"\n   * Supported param values by SM:\n   *\n   * | Param | Action                                 | Support |\n   * | ----- | -------------------------------------- | ------- |\n   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |\n   * | 4     | Insert Mode (IRM).                     | #Y      |\n   * | 12    | Send/receive (SRM). Always off.        | #N      |\n   * | 20    | Automatic Newline (LNM).               | #Y      |\n   */\n  public setMode(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 4:\n          this._coreService.modes.insertMode = true;\n          break;\n        case 20:\n          this._optionsService.options.convertEol = true;\n          break;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI ? Pm h\n   *   DEC Private Mode Set (DECSET).\n   *     Ps = 1  -> Application Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate USASCII for character sets G0-G3\n   *     (DECANM), and set VT100 mode.\n   *     Ps = 3  -> 132 Column Mode (DECCOLM).\n   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).\n   *     Ps = 5  -> Reverse Video (DECSCNM).\n   *     Ps = 6  -> Origin Mode (DECOM).\n   *     Ps = 7  -> Wraparound Mode (DECAWM).\n   *     Ps = 8  -> Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-\n   *     tion Mouse Tracking.\n   *     Ps = 1 0  -> Show toolbar (rxvt).\n   *     Ps = 1 2  -> Start Blinking Cursor (att610).\n   *     Ps = 1 8  -> Print form feed (DECPFF).\n   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).\n   *     Ps = 2 5  -> Show Cursor (DECTCEM).\n   *     Ps = 3 0  -> Show scrollbar (rxvt).\n   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).\n   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).\n   *     Ps = 4 0  -> Allow 80 -> 132 Mode.\n   *     Ps = 4 1  -> more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-\n   *     RCM).\n   *     Ps = 4 4  -> Turn On Margin Bell.\n   *     Ps = 4 5  -> Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a\n   *     compile-time option.\n   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 6 6  -> Application keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).\n   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).\n   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Interpret \"meta\" key, sets eighth bit.\n   *     (enables the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-\n   *     Lock keys.  (This enables the numLock resource).\n   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This\n   *     enables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete\n   *     key.\n   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This\n   *     enables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.\n   *     (This enables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when\n   *     Control-G is received.  (This enables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G\n   *     is received.  (enables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate\n   *     Screen Buffer, clearing it first.  (This may be disabled by\n   *     the titeInhibit resource).  This combines the effects of the 1\n   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based\n   *     applications rather than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Set Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Set HP function-key mode.\n   *     Ps = 1 0 5 3  -> Set SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.\n   *     Ps = 2 0 0 4  -> Set bracketed paste mode.\n   * Modes:\n   *   http: *vt100.net/docs/vt220-rm/chapter4.html\n   *\n   * @vt: #P[See below for supported modes.]    CSI DECSET  \"DEC Private Set Mode\" \"CSI ? Pm h\"  \"Set various terminal attributes.\"\n   * Supported param values by DECSET:\n   *\n   * | param | Action                                                  | Support |\n   * | ----- | ------------------------------------------------------- | --------|\n   * | 1     | Application Cursor Keys (DECCKM).                       | #Y      |\n   * | 2     | Designate US-ASCII for character sets G0-G3 (DECANM).   | #Y      |\n   * | 3     | 132 Column Mode (DECCOLM).                              | #Y      |\n   * | 6     | Origin Mode (DECOM).                                    | #Y      |\n   * | 7     | Auto-wrap Mode (DECAWM).                                | #Y      |\n   * | 8     | Auto-repeat Keys (DECARM). Always on.                   | #N      |\n   * | 9     | X10 xterm mouse protocol.                               | #Y      |\n   * | 12    | Start Blinking Cursor.                                  | #Y      |\n   * | 25    | Show Cursor (DECTCEM).                                  | #Y      |\n   * | 45    | Reverse wrap-around.                                    | #Y      |\n   * | 47    | Use Alternate Screen Buffer.                            | #Y      |\n   * | 66    | Application keypad (DECNKM).                            | #Y      |\n   * | 1000  | X11 xterm mouse protocol.                               | #Y      |\n   * | 1002  | Use Cell Motion Mouse Tracking.                         | #Y      |\n   * | 1003  | Use All Motion Mouse Tracking.                          | #Y      |\n   * | 1004  | Send FocusIn/FocusOut events                            | #Y      |\n   * | 1005  | Enable UTF-8 Mouse Mode.                                | #N      |\n   * | 1006  | Enable SGR Mouse Mode.                                  | #Y      |\n   * | 1015  | Enable urxvt Mouse Mode.                                | #N      |\n   * | 1016  | Enable SGR-Pixels Mouse Mode.                           | #Y      |\n   * | 1047  | Use Alternate Screen Buffer.                            | #Y      |\n   * | 1048  | Save cursor as in DECSC.                                | #Y      |\n   * | 1049  | Save cursor and switch to alternate buffer clearing it. | #P[Does not clear the alternate buffer.] |\n   * | 2004  | Set bracketed paste mode.                               | #Y      |\n   *\n   *\n   * FIXME: implement DECSCNM, 1049 should clear altbuffer\n   */\n  public setModePrivate(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 1:\n          this._coreService.decPrivateModes.applicationCursorKeys = true;\n          break;\n        case 2:\n          this._charsetService.setgCharset(0, DEFAULT_CHARSET);\n          this._charsetService.setgCharset(1, DEFAULT_CHARSET);\n          this._charsetService.setgCharset(2, DEFAULT_CHARSET);\n          this._charsetService.setgCharset(3, DEFAULT_CHARSET);\n          // set VT100 mode here\n          break;\n        case 3:\n          /**\n           * DECCOLM - 132 column mode.\n           * This is only active if 'SetWinLines' (24) is enabled\n           * through `options.windowsOptions`.\n           */\n          if (this._optionsService.rawOptions.windowOptions.setWinLines) {\n            this._bufferService.resize(132, this._bufferService.rows);\n            this._onRequestReset.fire();\n          }\n          break;\n        case 6:\n          this._coreService.decPrivateModes.origin = true;\n          this._setCursor(0, 0);\n          break;\n        case 7:\n          this._coreService.decPrivateModes.wraparound = true;\n          break;\n        case 12:\n          this._optionsService.options.cursorBlink = true;\n          break;\n        case 45:\n          this._coreService.decPrivateModes.reverseWraparound = true;\n          break;\n        case 66:\n          this._logService.debug('Serial port requested application keypad.');\n          this._coreService.decPrivateModes.applicationKeypad = true;\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 9: // X10 Mouse\n          // no release, no motion, no wheel, no modifiers.\n          this._coreMouseService.activeProtocol = 'X10';\n          break;\n        case 1000: // vt200 mouse\n          // no motion.\n          this._coreMouseService.activeProtocol = 'VT200';\n          break;\n        case 1002: // button event mouse\n          this._coreMouseService.activeProtocol = 'DRAG';\n          break;\n        case 1003: // any event mouse\n          // any event - sends motion events,\n          // even if there is no button held down.\n          this._coreMouseService.activeProtocol = 'ANY';\n          break;\n        case 1004: // send focusin/focusout events\n          // focusin: ^[[I\n          // focusout: ^[[O\n          this._coreService.decPrivateModes.sendFocus = true;\n          this._onRequestSendFocus.fire();\n          break;\n        case 1005: // utf8 ext mode mouse - removed in #2507\n          this._logService.debug('DECSET 1005 not supported (see #2507)');\n          break;\n        case 1006: // sgr ext mode mouse\n          this._coreMouseService.activeEncoding = 'SGR';\n          break;\n        case 1015: // urxvt ext mode mouse - removed in #2507\n          this._logService.debug('DECSET 1015 not supported (see #2507)');\n          break;\n        case 1016: // sgr pixels mode mouse\n          this._coreMouseService.activeEncoding = 'SGR_PIXELS';\n          break;\n        case 25: // show cursor\n          this._coreService.isCursorHidden = false;\n          break;\n        case 1048: // alt screen cursor\n          this.saveCursor();\n          break;\n        case 1049: // alt screen buffer cursor\n          this.saveCursor();\n        // FALL-THROUGH\n        case 47: // alt screen buffer\n        case 1047: // alt screen buffer\n          this._bufferService.buffers.activateAltBuffer(this._eraseAttrData());\n          this._coreService.isCursorInitialized = true;\n          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n          this._coreService.decPrivateModes.bracketedPasteMode = true;\n          break;\n      }\n    }\n    return true;\n  }\n\n\n  /**\n   * CSI Pm l  Reset Mode (RM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Replace Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Normal Linefeed (LNM).\n   *\n   * @vt: #P[Only IRM is supported.]    CSI RM    \"Reset Mode\"  \"CSI Pm l\"  \"Set various terminal attributes.\"\n   * Supported param values by RM:\n   *\n   * | Param | Action                                 | Support |\n   * | ----- | -------------------------------------- | ------- |\n   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |\n   * | 4     | Replace Mode (IRM). (default)          | #Y      |\n   * | 12    | Send/receive (SRM). Always off.        | #N      |\n   * | 20    | Normal Linefeed (LNM).                 | #Y      |\n   *\n   *\n   * FIXME: why is LNM commented out?\n   */\n  public resetMode(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 4:\n          this._coreService.modes.insertMode = false;\n          break;\n        case 20:\n          this._optionsService.options.convertEol = false;\n          break;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI ? Pm l\n   *   DEC Private Mode Reset (DECRST).\n   *     Ps = 1  -> Normal Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate VT52 mode (DECANM).\n   *     Ps = 3  -> 80 Column Mode (DECCOLM).\n   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).\n   *     Ps = 5  -> Normal Video (DECSCNM).\n   *     Ps = 6  -> Normal Cursor Mode (DECOM).\n   *     Ps = 7  -> No Wraparound Mode (DECAWM).\n   *     Ps = 8  -> No Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Don't send Mouse X & Y on button press.\n   *     Ps = 1 0  -> Hide toolbar (rxvt).\n   *     Ps = 1 2  -> Stop Blinking Cursor (att610).\n   *     Ps = 1 8  -> Don't print form feed (DECPFF).\n   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).\n   *     Ps = 2 5  -> Hide Cursor (DECTCEM).\n   *     Ps = 3 0  -> Don't show scrollbar (rxvt).\n   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).\n   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.\n   *     Ps = 4 1  -> No more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-\n   *     NRCM).\n   *     Ps = 4 4  -> Turn Off Margin Bell.\n   *     Ps = 4 5  -> No Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a\n   *     compile-time option).\n   *     Ps = 4 7  -> Use Normal Screen Buffer.\n   *     Ps = 6 6  -> Numeric keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).\n   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output\n   *     (rxvt).\n   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Don't interpret \"meta\" key.  (This disables\n   *     the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-\n   *     Lock keys.  (This disables the numLock resource).\n   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.\n   *     (This disables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad\n   *     Delete key.\n   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.\n   *     (This disables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.\n   *     (This disables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when\n   *     Control-G is received.  (This disables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-\n   *     G is received.  (This disables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen\n   *     first if in the Alternate Screen.  (This may be disabled by\n   *     the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor\n   *     as in DECRC.  (This may be disabled by the titeInhibit\n   *     resource).  This combines the effects of the 1 0 4 7  and 1 0\n   *     4 8  modes.  Use this with terminfo-based applications rather\n   *     than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Reset HP function-key mode.\n   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.\n   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.\n   *\n   * @vt: #P[See below for supported modes.]    CSI DECRST  \"DEC Private Reset Mode\" \"CSI ? Pm l\"  \"Reset various terminal attributes.\"\n   * Supported param values by DECRST:\n   *\n   * | param | Action                                                  | Support |\n   * | ----- | ------------------------------------------------------- | ------- |\n   * | 1     | Normal Cursor Keys (DECCKM).                            | #Y      |\n   * | 2     | Designate VT52 mode (DECANM).                           | #N      |\n   * | 3     | 80 Column Mode (DECCOLM).                               | #B[Switches to old column width instead of 80.] |\n   * | 6     | Normal Cursor Mode (DECOM).                             | #Y      |\n   * | 7     | No Wraparound Mode (DECAWM).                            | #Y      |\n   * | 8     | No Auto-repeat Keys (DECARM).                           | #N      |\n   * | 9     | Don't send Mouse X & Y on button press.                 | #Y      |\n   * | 12    | Stop Blinking Cursor.                                   | #Y      |\n   * | 25    | Hide Cursor (DECTCEM).                                  | #Y      |\n   * | 45    | No reverse wrap-around.                                 | #Y      |\n   * | 47    | Use Normal Screen Buffer.                               | #Y      |\n   * | 66    | Numeric keypad (DECNKM).                                | #Y      |\n   * | 1000  | Don't send Mouse reports.                               | #Y      |\n   * | 1002  | Don't use Cell Motion Mouse Tracking.                   | #Y      |\n   * | 1003  | Don't use All Motion Mouse Tracking.                    | #Y      |\n   * | 1004  | Don't send FocusIn/FocusOut events.                     | #Y      |\n   * | 1005  | Disable UTF-8 Mouse Mode.                               | #N      |\n   * | 1006  | Disable SGR Mouse Mode.                                 | #Y      |\n   * | 1015  | Disable urxvt Mouse Mode.                               | #N      |\n   * | 1016  | Disable SGR-Pixels Mouse Mode.                          | #Y      |\n   * | 1047  | Use Normal Screen Buffer (clearing screen if in alt).   | #Y      |\n   * | 1048  | Restore cursor as in DECRC.                             | #Y      |\n   * | 1049  | Use Normal Screen Buffer and restore cursor.            | #Y      |\n   * | 2004  | Reset bracketed paste mode.                             | #Y      |\n   *\n   *\n   * FIXME: DECCOLM is currently broken (already fixed in window options PR)\n   */\n  public resetModePrivate(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 1:\n          this._coreService.decPrivateModes.applicationCursorKeys = false;\n          break;\n        case 3:\n          /**\n           * DECCOLM - 80 column mode.\n           * This is only active if 'SetWinLines' (24) is enabled\n           * through `options.windowsOptions`.\n           */\n          if (this._optionsService.rawOptions.windowOptions.setWinLines) {\n            this._bufferService.resize(80, this._bufferService.rows);\n            this._onRequestReset.fire();\n          }\n          break;\n        case 6:\n          this._coreService.decPrivateModes.origin = false;\n          this._setCursor(0, 0);\n          break;\n        case 7:\n          this._coreService.decPrivateModes.wraparound = false;\n          break;\n        case 12:\n          this._optionsService.options.cursorBlink = false;\n          break;\n        case 45:\n          this._coreService.decPrivateModes.reverseWraparound = false;\n          break;\n        case 66:\n          this._logService.debug('Switching back to normal keypad.');\n          this._coreService.decPrivateModes.applicationKeypad = false;\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 9: // X10 Mouse\n        case 1000: // vt200 mouse\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          this._coreMouseService.activeProtocol = 'NONE';\n          break;\n        case 1004: // send focusin/focusout events\n          this._coreService.decPrivateModes.sendFocus = false;\n          break;\n        case 1005: // utf8 ext mode mouse - removed in #2507\n          this._logService.debug('DECRST 1005 not supported (see #2507)');\n          break;\n        case 1006: // sgr ext mode mouse\n          this._coreMouseService.activeEncoding = 'DEFAULT';\n          break;\n        case 1015: // urxvt ext mode mouse - removed in #2507\n          this._logService.debug('DECRST 1015 not supported (see #2507)');\n          break;\n        case 1016: // sgr pixels mode mouse\n          this._coreMouseService.activeEncoding = 'DEFAULT';\n          break;\n        case 25: // hide cursor\n          this._coreService.isCursorHidden = true;\n          break;\n        case 1048: // alt screen cursor\n          this.restoreCursor();\n          break;\n        case 1049: // alt screen buffer cursor\n        // FALL-THROUGH\n        case 47: // normal screen buffer\n        case 1047: // normal screen buffer - clearing it first\n          // Ensure the selection manager has the correct buffer\n          this._bufferService.buffers.activateNormalBuffer();\n          if (params.params[i] === 1049) {\n            this.restoreCursor();\n          }\n          this._coreService.isCursorInitialized = true;\n          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n          this._coreService.decPrivateModes.bracketedPasteMode = false;\n          break;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps $ p Request ANSI Mode (DECRQM).\n   *\n   * Reports CSI Ps; Pm $ y (DECRPM), where Ps is the mode number as in SM/RM,\n   * and Pm is the mode value:\n   *    0 - not recognized\n   *    1 - set\n   *    2 - reset\n   *    3 - permanently set\n   *    4 - permanently reset\n   *\n   * @vt: #Y  CSI   DECRQM  \"Request Mode\"  \"CSI Ps $p\"  \"Request mode state.\"\n   * Returns a report as `CSI Ps; Pm $ y` (DECRPM), where `Ps` is the mode number as in SM/RM\n   * or DECSET/DECRST, and `Pm` is the mode value:\n   * - 0: not recognized\n   * - 1: set\n   * - 2: reset\n   * - 3: permanently set\n   * - 4: permanently reset\n   *\n   * For modes not understood xterm.js always returns `notRecognized`. In general this means,\n   * that a certain operation mode is not implemented and cannot be used.\n   *\n   * Modes changing the active terminal buffer (47, 1047, 1049) are not subqueried\n   * and only report, whether the alternate buffer is set.\n   *\n   * Mouse encodings and mouse protocols are handled mutual exclusive,\n   * thus only one of each of those can be set at a given time.\n   *\n   * There is a chance, that some mode reports are not fully in line with xterm.js' behavior,\n   * e.g. if the default implementation already exposes a certain behavior. If you find\n   * discrepancies in the mode reports, please file a bug.\n   */\n  public requestMode(params: IParams, ansi: boolean): boolean {\n    // return value as in DECRPM\n    const enum V {\n      NOT_RECOGNIZED = 0,\n      SET = 1,\n      RESET = 2,\n      PERMANENTLY_SET = 3,\n      PERMANENTLY_RESET = 4\n    }\n\n    // access helpers\n    const dm = this._coreService.decPrivateModes;\n    const { activeProtocol: mouseProtocol, activeEncoding: mouseEncoding } = this._coreMouseService;\n    const cs = this._coreService;\n    const { buffers, cols } = this._bufferService;\n    const { active, alt } = buffers;\n    const opts = this._optionsService.rawOptions;\n\n    const f = (m: number, v: V): boolean => {\n      cs.triggerDataEvent(`${C0.ESC}[${ansi ? '' : '?'}${m};${v}$y`);\n      return true;\n    };\n    const b2v = (value: boolean): V => value ? V.SET : V.RESET;\n\n    const p = params.params[0];\n\n    if (ansi) {\n      if (p === 2) return f(p, V.PERMANENTLY_RESET);\n      if (p === 4) return f(p, b2v(cs.modes.insertMode));\n      if (p === 12) return f(p, V.PERMANENTLY_SET);\n      if (p === 20) return f(p, b2v(opts.convertEol));\n      return f(p, V.NOT_RECOGNIZED);\n    }\n\n    if (p === 1) return f(p, b2v(dm.applicationCursorKeys));\n    if (p === 3) return f(p, opts.windowOptions.setWinLines ? (cols === 80 ? V.RESET : cols === 132 ? V.SET : V.NOT_RECOGNIZED) : V.NOT_RECOGNIZED);\n    if (p === 6) return f(p, b2v(dm.origin));\n    if (p === 7) return f(p, b2v(dm.wraparound));\n    if (p === 8) return f(p, V.PERMANENTLY_SET);\n    if (p === 9) return f(p, b2v(mouseProtocol === 'X10'));\n    if (p === 12) return f(p, b2v(opts.cursorBlink));\n    if (p === 25) return f(p, b2v(!cs.isCursorHidden));\n    if (p === 45) return f(p, b2v(dm.reverseWraparound));\n    if (p === 66) return f(p, b2v(dm.applicationKeypad));\n    if (p === 67) return f(p, V.PERMANENTLY_RESET);\n    if (p === 1000) return f(p, b2v(mouseProtocol === 'VT200'));\n    if (p === 1002) return f(p, b2v(mouseProtocol === 'DRAG'));\n    if (p === 1003) return f(p, b2v(mouseProtocol === 'ANY'));\n    if (p === 1004) return f(p, b2v(dm.sendFocus));\n    if (p === 1005) return f(p, V.PERMANENTLY_RESET);\n    if (p === 1006) return f(p, b2v(mouseEncoding === 'SGR'));\n    if (p === 1015) return f(p, V.PERMANENTLY_RESET);\n    if (p === 1016) return f(p, b2v(mouseEncoding === 'SGR_PIXELS'));\n    if (p === 1048) return f(p, V.SET); // xterm always returns SET here\n    if (p === 47 || p === 1047 || p === 1049) return f(p, b2v(active === alt));\n    if (p === 2004) return f(p, b2v(dm.bracketedPasteMode));\n    return f(p, V.NOT_RECOGNIZED);\n  }\n\n  /**\n   * Helper to write color information packed with color mode.\n   */\n  private _updateAttrColor(color: number, mode: number, c1: number, c2: number, c3: number): number {\n    if (mode === 2) {\n      color |= Attributes.CM_RGB;\n      color &= ~Attributes.RGB_MASK;\n      color |= AttributeData.fromColorRGB([c1, c2, c3]);\n    } else if (mode === 5) {\n      color &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n      color |= Attributes.CM_P256 | (c1 & 0xff);\n    }\n    return color;\n  }\n\n  /**\n   * Helper to extract and apply color params/subparams.\n   * Returns advance for params index.\n   */\n  private _extractColor(params: IParams, pos: number, attr: IAttributeData): number {\n    // normalize params\n    // meaning: [target, CM, ign, val, val, val]\n    // RGB    : [ 38/48,  2, ign,   r,   g,   b]\n    // P256   : [ 38/48,  5, ign,   v, ign, ign]\n    const accu = [0, 0, -1, 0, 0, 0];\n\n    // alignment placeholder for non color space sequences\n    let cSpace = 0;\n\n    // return advance we took in params\n    let advance = 0;\n\n    do {\n      accu[advance + cSpace] = params.params[pos + advance];\n      if (params.hasSubParams(pos + advance)) {\n        const subparams = params.getSubParams(pos + advance)!;\n        let i = 0;\n        do {\n          if (accu[1] === 5) {\n            cSpace = 1;\n          }\n          accu[advance + i + 1 + cSpace] = subparams[i];\n        } while (++i < subparams.length && i + advance + 1 + cSpace < accu.length);\n        break;\n      }\n      // exit early if can decide color mode with semicolons\n      if ((accu[1] === 5 && advance + cSpace >= 2)\n        || (accu[1] === 2 && advance + cSpace >= 5)) {\n        break;\n      }\n      // offset colorSpace slot for semicolon mode\n      if (accu[1]) {\n        cSpace = 1;\n      }\n    } while (++advance + pos < params.length && advance + cSpace < accu.length);\n\n    // set default values to 0\n    for (let i = 2; i < accu.length; ++i) {\n      if (accu[i] === -1) {\n        accu[i] = 0;\n      }\n    }\n\n    // apply colors\n    switch (accu[0]) {\n      case 38:\n        attr.fg = this._updateAttrColor(attr.fg, accu[1], accu[3], accu[4], accu[5]);\n        break;\n      case 48:\n        attr.bg = this._updateAttrColor(attr.bg, accu[1], accu[3], accu[4], accu[5]);\n        break;\n      case 58:\n        attr.extended = attr.extended.clone();\n        attr.extended.underlineColor = this._updateAttrColor(attr.extended.underlineColor, accu[1], accu[3], accu[4], accu[5]);\n    }\n\n    return advance;\n  }\n\n  /**\n   * SGR 4 subparams:\n   *    4:0   -   equal to SGR 24 (turn off all underline)\n   *    4:1   -   equal to SGR 4 (single underline)\n   *    4:2   -   equal to SGR 21 (double underline)\n   *    4:3   -   curly underline\n   *    4:4   -   dotted underline\n   *    4:5   -   dashed underline\n   */\n  private _processUnderline(style: number, attr: IAttributeData): void {\n    // treat extended attrs as immutable, thus always clone from old one\n    // this is needed since the buffer only holds references to it\n    attr.extended = attr.extended.clone();\n\n    // default to 1 == single underline\n    if (!~style || style > 5) {\n      style = 1;\n    }\n    attr.extended.underlineStyle = style;\n    attr.fg |= FgFlags.UNDERLINE;\n\n    // 0 deactivates underline\n    if (style === 0) {\n      attr.fg &= ~FgFlags.UNDERLINE;\n    }\n\n    // update HAS_EXTENDED in BG\n    attr.updateExtended();\n  }\n\n  private _processSGR0(attr: IAttributeData): void {\n    attr.fg = DEFAULT_ATTR_DATA.fg;\n    attr.bg = DEFAULT_ATTR_DATA.bg;\n    attr.extended = attr.extended.clone();\n    // Reset underline style and color. Note that we don't want to reset other\n    // fields such as the url id.\n    attr.extended.underlineStyle = UnderlineStyle.NONE;\n    attr.extended.underlineColor &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n    attr.updateExtended();\n  }\n\n  /**\n   * CSI Pm m  Character Attributes (SGR).\n   *\n   * @vt: #P[See below for supported attributes.]    CSI SGR   \"Select Graphic Rendition\"  \"CSI Pm m\"  \"Set/Reset various text attributes.\"\n   * SGR selects one or more character attributes at the same time. Multiple params (up to 32)\n   * are applied in order from left to right. The changed attributes are applied to all new\n   * characters received. If you move characters in the viewport by scrolling or any other means,\n   * then the attributes move with the characters.\n   *\n   * Supported param values by SGR:\n   *\n   * | Param     | Meaning                                                  | Support |\n   * | --------- | -------------------------------------------------------- | ------- |\n   * | 0         | Normal (default). Resets any other preceding SGR.        | #Y      |\n   * | 1         | Bold. (also see `options.drawBoldTextInBrightColors`)    | #Y      |\n   * | 2         | Faint, decreased intensity.                              | #Y      |\n   * | 3         | Italic.                                                  | #Y      |\n   * | 4         | Underlined (see below for style support).                | #Y      |\n   * | 5         | Slowly blinking.                                         | #N      |\n   * | 6         | Rapidly blinking.                                        | #N      |\n   * | 7         | Inverse. Flips foreground and background color.          | #Y      |\n   * | 8         | Invisible (hidden).                                      | #Y      |\n   * | 9         | Crossed-out characters (strikethrough).                  | #Y      |\n   * | 21        | Doubly underlined.                                       | #Y      |\n   * | 22        | Normal (neither bold nor faint).                         | #Y      |\n   * | 23        | No italic.                                               | #Y      |\n   * | 24        | Not underlined.                                          | #Y      |\n   * | 25        | Steady (not blinking).                                   | #Y      |\n   * | 27        | Positive (not inverse).                                  | #Y      |\n   * | 28        | Visible (not hidden).                                    | #Y      |\n   * | 29        | Not Crossed-out (strikethrough).                         | #Y      |\n   * | 30        | Foreground color: Black.                                 | #Y      |\n   * | 31        | Foreground color: Red.                                   | #Y      |\n   * | 32        | Foreground color: Green.                                 | #Y      |\n   * | 33        | Foreground color: Yellow.                                | #Y      |\n   * | 34        | Foreground color: Blue.                                  | #Y      |\n   * | 35        | Foreground color: Magenta.                               | #Y      |\n   * | 36        | Foreground color: Cyan.                                  | #Y      |\n   * | 37        | Foreground color: White.                                 | #Y      |\n   * | 38        | Foreground color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |\n   * | 39        | Foreground color: Default (original).                    | #Y      |\n   * | 40        | Background color: Black.                                 | #Y      |\n   * | 41        | Background color: Red.                                   | #Y      |\n   * | 42        | Background color: Green.                                 | #Y      |\n   * | 43        | Background color: Yellow.                                | #Y      |\n   * | 44        | Background color: Blue.                                  | #Y      |\n   * | 45        | Background color: Magenta.                               | #Y      |\n   * | 46        | Background color: Cyan.                                  | #Y      |\n   * | 47        | Background color: White.                                 | #Y      |\n   * | 48        | Background color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |\n   * | 49        | Background color: Default (original).                    | #Y      |\n   * | 53        | Overlined.                                               | #Y      |\n   * | 55        | Not Overlined.                                           | #Y      |\n   * | 58        | Underline color: Extended color.                         | #P[Support for RGB and indexed colors, see below.] |\n   * | 90 - 97   | Bright foreground color (analogous to 30 - 37).          | #Y      |\n   * | 100 - 107 | Bright background color (analogous to 40 - 47).          | #Y      |\n   *\n   * Underline supports subparams to denote the style in the form `4 : x`:\n   *\n   * | x      | Meaning                                                       | Support |\n   * | ------ | ------------------------------------------------------------- | ------- |\n   * | 0      | No underline. Same as `SGR 24 m`.                             | #Y      |\n   * | 1      | Single underline. Same as `SGR 4 m`.                          | #Y      |\n   * | 2      | Double underline.                                             | #Y      |\n   * | 3      | Curly underline.                                              | #Y      |\n   * | 4      | Dotted underline.                                             | #Y      |\n   * | 5      | Dashed underline.                                             | #Y      |\n   * | other  | Single underline. Same as `SGR 4 m`.                          | #Y      |\n   *\n   * Extended colors are supported for foreground (Ps=38), background (Ps=48) and underline (Ps=58)\n   * as follows:\n   *\n   * | Ps + 1 | Meaning                                                       | Support |\n   * | ------ | ------------------------------------------------------------- | ------- |\n   * | 0      | Implementation defined.                                       | #N      |\n   * | 1      | Transparent.                                                  | #N      |\n   * | 2      | RGB color as `Ps ; 2 ; R ; G ; B` or `Ps : 2 : : R : G : B`.  | #Y      |\n   * | 3      | CMY color.                                                    | #N      |\n   * | 4      | CMYK color.                                                   | #N      |\n   * | 5      | Indexed (256 colors) as `Ps ; 5 ; INDEX` or `Ps : 5 : INDEX`. | #Y      |\n   *\n   *\n   * FIXME: blinking is implemented in attrs, but not working in renderers?\n   * FIXME: remove dead branch for p=100\n   */\n  public charAttributes(params: IParams): boolean {\n    // Optimize a single SGR0.\n    if (params.length === 1 && params.params[0] === 0) {\n      this._processSGR0(this._curAttrData);\n      return true;\n    }\n\n    const l = params.length;\n    let p;\n    const attr = this._curAttrData;\n\n    for (let i = 0; i < l; i++) {\n      p = params.params[i];\n      if (p >= 30 && p <= 37) {\n        // fg color 8\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.fg |= Attributes.CM_P16 | (p - 30);\n      } else if (p >= 40 && p <= 47) {\n        // bg color 8\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.bg |= Attributes.CM_P16 | (p - 40);\n      } else if (p >= 90 && p <= 97) {\n        // fg color 16\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.fg |= Attributes.CM_P16 | (p - 90) | 8;\n      } else if (p >= 100 && p <= 107) {\n        // bg color 16\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.bg |= Attributes.CM_P16 | (p - 100) | 8;\n      } else if (p === 0) {\n        // default\n        this._processSGR0(attr);\n      } else if (p === 1) {\n        // bold text\n        attr.fg |= FgFlags.BOLD;\n      } else if (p === 3) {\n        // italic text\n        attr.bg |= BgFlags.ITALIC;\n      } else if (p === 4) {\n        // underlined text\n        attr.fg |= FgFlags.UNDERLINE;\n        this._processUnderline(params.hasSubParams(i) ? params.getSubParams(i)![0] : UnderlineStyle.SINGLE, attr);\n      } else if (p === 5) {\n        // blink\n        attr.fg |= FgFlags.BLINK;\n      } else if (p === 7) {\n        // inverse and positive\n        // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n        attr.fg |= FgFlags.INVERSE;\n      } else if (p === 8) {\n        // invisible\n        attr.fg |= FgFlags.INVISIBLE;\n      } else if (p === 9) {\n        // strikethrough\n        attr.fg |= FgFlags.STRIKETHROUGH;\n      } else if (p === 2) {\n        // dimmed text\n        attr.bg |= BgFlags.DIM;\n      } else if (p === 21) {\n        // double underline\n        this._processUnderline(UnderlineStyle.DOUBLE, attr);\n      } else if (p === 22) {\n        // not bold nor faint\n        attr.fg &= ~FgFlags.BOLD;\n        attr.bg &= ~BgFlags.DIM;\n      } else if (p === 23) {\n        // not italic\n        attr.bg &= ~BgFlags.ITALIC;\n      } else if (p === 24) {\n        // not underlined\n        attr.fg &= ~FgFlags.UNDERLINE;\n        this._processUnderline(UnderlineStyle.NONE, attr);\n      } else if (p === 25) {\n        // not blink\n        attr.fg &= ~FgFlags.BLINK;\n      } else if (p === 27) {\n        // not inverse\n        attr.fg &= ~FgFlags.INVERSE;\n      } else if (p === 28) {\n        // not invisible\n        attr.fg &= ~FgFlags.INVISIBLE;\n      } else if (p === 29) {\n        // not strikethrough\n        attr.fg &= ~FgFlags.STRIKETHROUGH;\n      } else if (p === 39) {\n        // reset fg\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n      } else if (p === 49) {\n        // reset bg\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n      } else if (p === 38 || p === 48 || p === 58) {\n        // fg color 256 and RGB\n        i += this._extractColor(params, i, attr);\n      } else if (p === 53) {\n        // overline\n        attr.bg |= BgFlags.OVERLINE;\n      } else if (p === 55) {\n        // not overline\n        attr.bg &= ~BgFlags.OVERLINE;\n      } else if (p === 59) {\n        attr.extended = attr.extended.clone();\n        attr.extended.underlineColor = -1;\n        attr.updateExtended();\n      } else if (p === 100) { // FIXME: dead branch, p=100 already handled above!\n        // reset fg/bg\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n      } else {\n        this._logService.debug('Unknown SGR attribute: %d.', p);\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps n  Device Status Report (DSR).\n   *     Ps = 5  -> Status Report.  Result (``OK'') is\n   *   CSI 0 n\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].\n   *   Result is\n   *   CSI r ; c R\n   * CSI ? Ps n\n   *   Device Status Report (DSR, DEC-specific).\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI\n   *     ? r ; c R (assumes page is zero).\n   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).\n   *     or CSI ? 1 1  n  (not ready).\n   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)\n   *     or CSI ? 2 1  n  (locked).\n   *     Ps = 2 6  -> Report Keyboard status as\n   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).\n   *   The last two parameters apply to VT400 & up, and denote key-\n   *   board ready and LK01 respectively.\n   *     Ps = 5 3  -> Report Locator status as\n   *   CSI ? 5 3  n  Locator available, if compiled-in, or\n   *   CSI ? 5 0  n  No Locator, if not.\n   *\n   * @vt: #Y CSI DSR   \"Device Status Report\"  \"CSI Ps n\"  \"Request cursor position (CPR) with `Ps` = 6.\"\n   */\n  public deviceStatus(params: IParams): boolean {\n    switch (params.params[0]) {\n      case 5:\n        // status report\n        this._coreService.triggerDataEvent(`${C0.ESC}[0n`);\n        break;\n      case 6:\n        // cursor position\n        const y = this._activeBuffer.y + 1;\n        const x = this._activeBuffer.x + 1;\n        this._coreService.triggerDataEvent(`${C0.ESC}[${y};${x}R`);\n        break;\n    }\n    return true;\n  }\n\n  // @vt: #P[Only CPR is supported.]  CSI DECDSR  \"DEC Device Status Report\"  \"CSI ? Ps n\"  \"Only CPR is supported (same as DSR).\"\n  public deviceStatusPrivate(params: IParams): boolean {\n    // modern xterm doesnt seem to\n    // respond to any of these except ?6, 6, and 5\n    switch (params.params[0]) {\n      case 6:\n        // cursor position\n        const y = this._activeBuffer.y + 1;\n        const x = this._activeBuffer.x + 1;\n        this._coreService.triggerDataEvent(`${C0.ESC}[?${y};${x}R`);\n        break;\n      case 15:\n        // no printer\n        // this.handler(C0.ESC + '[?11n');\n        break;\n      case 25:\n        // dont support user defined keys\n        // this.handler(C0.ESC + '[?21n');\n        break;\n      case 26:\n        // north american keyboard\n        // this.handler(C0.ESC + '[?27;1;0;0n');\n        break;\n      case 53:\n        // no dec locator/mouse\n        // this.handler(C0.ESC + '[?50n');\n        break;\n    }\n    return true;\n  }\n\n  /**\n   * CSI ! p   Soft terminal reset (DECSTR).\n   * http://vt100.net/docs/vt220-rm/table4-10.html\n   *\n   * @vt: #Y CSI DECSTR  \"Soft Terminal Reset\"   \"CSI ! p\"   \"Reset several terminal attributes to initial state.\"\n   * There are two terminal reset sequences - RIS and DECSTR. While RIS performs almost a full\n   * terminal bootstrap, DECSTR only resets certain attributes. For most needs DECSTR should be\n   * sufficient.\n   *\n   * The following terminal attributes are reset to default values:\n   * - IRM is reset (dafault = false)\n   * - scroll margins are reset (default = viewport size)\n   * - erase attributes are reset to default\n   * - charsets are reset\n   * - DECSC data is reset to initial values\n   * - DECOM is reset to absolute mode\n   *\n   *\n   * FIXME: there are several more attributes missing (see VT520 manual)\n   */\n  public softReset(params: IParams): boolean {\n    this._coreService.isCursorHidden = false;\n    this._onRequestSyncScrollBar.fire();\n    this._activeBuffer.scrollTop = 0;\n    this._activeBuffer.scrollBottom = this._bufferService.rows - 1;\n    this._curAttrData = DEFAULT_ATTR_DATA.clone();\n    this._coreService.reset();\n    this._charsetService.reset();\n\n    // reset DECSC data\n    this._activeBuffer.savedX = 0;\n    this._activeBuffer.savedY = this._activeBuffer.ybase;\n    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;\n    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;\n    this._activeBuffer.savedCharset = this._charsetService.charset;\n\n    // reset DECOM\n    this._coreService.decPrivateModes.origin = false;\n    return true;\n  }\n\n  /**\n   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).\n   *   Ps = 0  -> blinking block.\n   *   Ps = 1  -> blinking block (default).\n   *   Ps = 2  -> steady block.\n   *   Ps = 3  -> blinking underline.\n   *   Ps = 4  -> steady underline.\n   *   Ps = 5  -> blinking bar (xterm).\n   *   Ps = 6  -> steady bar (xterm).\n   *\n   * @vt: #Y CSI DECSCUSR  \"Set Cursor Style\"  \"CSI Ps SP q\"   \"Set cursor style.\"\n   * Supported cursor styles:\n   *  - empty, 0 or 1: steady block\n   *  - 2: blink block\n   *  - 3: steady underline\n   *  - 4: blink underline\n   *  - 5: steady bar\n   *  - 6: blink bar\n   */\n  public setCursorStyle(params: IParams): boolean {\n    const param = params.params[0] || 1;\n    switch (param) {\n      case 1:\n      case 2:\n        this._optionsService.options.cursorStyle = 'block';\n        break;\n      case 3:\n      case 4:\n        this._optionsService.options.cursorStyle = 'underline';\n        break;\n      case 5:\n      case 6:\n        this._optionsService.options.cursorStyle = 'bar';\n        break;\n    }\n    const isBlinking = param % 2 === 1;\n    this._optionsService.options.cursorBlink = isBlinking;\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps r\n   *   Set Scrolling Region [top;bottom] (default = full size of win-\n   *   dow) (DECSTBM).\n   *\n   * @vt: #Y CSI DECSTBM \"Set Top and Bottom Margin\" \"CSI Ps ; Ps r\" \"Set top and bottom margins of the viewport [top;bottom] (default = viewport size).\"\n   */\n  public setScrollRegion(params: IParams): boolean {\n    const top = params.params[0] || 1;\n    let bottom: number;\n\n    if (params.length < 2 || (bottom = params.params[1]) > this._bufferService.rows || bottom === 0) {\n      bottom = this._bufferService.rows;\n    }\n\n    if (bottom > top) {\n      this._activeBuffer.scrollTop = top - 1;\n      this._activeBuffer.scrollBottom = bottom - 1;\n      this._setCursor(0, 0);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps ; Ps t - Various window manipulations and reports (xterm)\n   *\n   * Note: Only those listed below are supported. All others are left to integrators and\n   * need special treatment based on the embedding environment.\n   *\n   *    Ps = 1 4                                                          supported\n   *      Report xterm text area size in pixels.\n   *      Result is CSI 4 ; height ; width t\n   *    Ps = 14 ; 2                                                       not implemented\n   *    Ps = 16                                                           supported\n   *      Report xterm character cell size in pixels.\n   *      Result is CSI 6 ; height ; width t\n   *    Ps = 18                                                           supported\n   *      Report the size of the text area in characters.\n   *      Result is CSI 8 ; height ; width t\n   *    Ps = 20                                                           supported\n   *      Report xterm window's icon label.\n   *      Result is OSC L label ST\n   *    Ps = 21                                                           supported\n   *      Report xterm window's title.\n   *      Result is OSC l label ST\n   *    Ps = 22 ; 0  -> Save xterm icon and window title on stack.        supported\n   *    Ps = 22 ; 1  -> Save xterm icon title on stack.                   supported\n   *    Ps = 22 ; 2  -> Save xterm window title on stack.                 supported\n   *    Ps = 23 ; 0  -> Restore xterm icon and window title from stack.   supported\n   *    Ps = 23 ; 1  -> Restore xterm icon title from stack.              supported\n   *    Ps = 23 ; 2  -> Restore xterm window title from stack.            supported\n   *    Ps >= 24                                                          not implemented\n   */\n  public windowOptions(params: IParams): boolean {\n    if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {\n      return true;\n    }\n    const second = (params.length > 1) ? params.params[1] : 0;\n    switch (params.params[0]) {\n      case 14:  // GetWinSizePixels, returns CSI 4 ; height ; width t\n        if (second !== 2) {\n          this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_WIN_SIZE_PIXELS);\n        }\n        break;\n      case 16:  // GetCellSizePixels, returns CSI 6 ; height ; width t\n        this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_CELL_SIZE_PIXELS);\n        break;\n      case 18:  // GetWinSizeChars, returns CSI 8 ; height ; width t\n        if (this._bufferService) {\n          this._coreService.triggerDataEvent(`${C0.ESC}[8;${this._bufferService.rows};${this._bufferService.cols}t`);\n        }\n        break;\n      case 22:  // PushTitle\n        if (second === 0 || second === 2) {\n          this._windowTitleStack.push(this._windowTitle);\n          if (this._windowTitleStack.length > STACK_LIMIT) {\n            this._windowTitleStack.shift();\n          }\n        }\n        if (second === 0 || second === 1) {\n          this._iconNameStack.push(this._iconName);\n          if (this._iconNameStack.length > STACK_LIMIT) {\n            this._iconNameStack.shift();\n          }\n        }\n        break;\n      case 23:  // PopTitle\n        if (second === 0 || second === 2) {\n          if (this._windowTitleStack.length) {\n            this.setTitle(this._windowTitleStack.pop()!);\n          }\n        }\n        if (second === 0 || second === 1) {\n          if (this._iconNameStack.length) {\n            this.setIconName(this._iconNameStack.pop()!);\n          }\n        }\n        break;\n    }\n    return true;\n  }\n\n\n  /**\n   * CSI s\n   * ESC 7\n   *   Save cursor (ANSI.SYS).\n   *\n   * @vt: #P[TODO...]  CSI SCOSC   \"Save Cursor\"   \"CSI s\"   \"Save cursor position, charmap and text attributes.\"\n   * @vt: #Y ESC  SC   \"Save Cursor\"   \"ESC 7\"   \"Save cursor position, charmap and text attributes.\"\n   */\n  public saveCursor(params?: IParams): boolean {\n    this._activeBuffer.savedX = this._activeBuffer.x;\n    this._activeBuffer.savedY = this._activeBuffer.ybase + this._activeBuffer.y;\n    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;\n    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;\n    this._activeBuffer.savedCharset = this._charsetService.charset;\n    return true;\n  }\n\n\n  /**\n   * CSI u\n   * ESC 8\n   *   Restore cursor (ANSI.SYS).\n   *\n   * @vt: #P[TODO...]  CSI SCORC \"Restore Cursor\"  \"CSI u\"   \"Restore cursor position, charmap and text attributes.\"\n   * @vt: #Y ESC  RC \"Restore Cursor\"  \"ESC 8\"   \"Restore cursor position, charmap and text attributes.\"\n   */\n  public restoreCursor(params?: IParams): boolean {\n    this._activeBuffer.x = this._activeBuffer.savedX || 0;\n    this._activeBuffer.y = Math.max(this._activeBuffer.savedY - this._activeBuffer.ybase, 0);\n    this._curAttrData.fg = this._activeBuffer.savedCurAttrData.fg;\n    this._curAttrData.bg = this._activeBuffer.savedCurAttrData.bg;\n    this._charsetService.charset = (this as any)._savedCharset;\n    if (this._activeBuffer.savedCharset) {\n      this._charsetService.charset = this._activeBuffer.savedCharset;\n    }\n    this._restrictCursor();\n    return true;\n  }\n\n\n  /**\n   * OSC 2; <data> ST (set window title)\n   *   Proxy to set window title.\n   *\n   * @vt: #P[Icon name is not exposed.]   OSC    0   \"Set Windows Title and Icon Name\"  \"OSC 0 ; Pt BEL\"  \"Set window title and icon name.\"\n   * Icon name is not supported. For Window Title see below.\n   *\n   * @vt: #Y     OSC    2   \"Set Windows Title\"  \"OSC 2 ; Pt BEL\"  \"Set window title.\"\n   * xterm.js does not manipulate the title directly, instead exposes changes via the event\n   * `Terminal.onTitleChange`.\n   */\n  public setTitle(data: string): boolean {\n    this._windowTitle = data;\n    this._onTitleChange.fire(data);\n    return true;\n  }\n\n  /**\n   * OSC 1; <data> ST\n   * Note: Icon name is not exposed.\n   */\n  public setIconName(data: string): boolean {\n    this._iconName = data;\n    return true;\n  }\n\n  /**\n   * OSC 4; <num> ; <text> ST (set ANSI color <num> to <text>)\n   *\n   * @vt: #Y    OSC    4    \"Set ANSI color\"   \"OSC 4 ; c ; spec BEL\" \"Change color number `c` to the color specified by `spec`.\"\n   * `c` is the color index between 0 and 255. The color format of `spec` is derived from\n   * `XParseColor` (see OSC 10 for supported formats). There may be multipe `c ; spec` pairs present\n   * in the same instruction. If `spec` contains `?` the terminal returns a sequence with the\n   * currently set color.\n   */\n  public setOrReportIndexedColor(data: string): boolean {\n    const event: IColorEvent = [];\n    const slots = data.split(';');\n    while (slots.length > 1) {\n      const idx = slots.shift() as string;\n      const spec = slots.shift() as string;\n      if (/^\\d+$/.exec(idx)) {\n        const index = parseInt(idx);\n        if (isValidColorIndex(index)) {\n          if (spec === '?') {\n            event.push({ type: ColorRequestType.REPORT, index });\n          } else {\n            const color = parseColor(spec);\n            if (color) {\n              event.push({ type: ColorRequestType.SET, index, color });\n            }\n          }\n        }\n      }\n    }\n    if (event.length) {\n      this._onColor.fire(event);\n    }\n    return true;\n  }\n\n  /**\n   * OSC 8 ; <params> ; <uri> ST - create hyperlink\n   * OSC 8 ; ; ST - finish hyperlink\n   *\n   * Test case:\n   *\n   * ```sh\n   * printf '\\e]8;;http://example.com\\e\\\\This is a link\\e]8;;\\e\\\\\\n'\n   * ```\n   *\n   * @vt: #Y    OSC    8    \"Create hyperlink\"   \"OSC 8 ; params ; uri BEL\" \"Create a hyperlink to `uri` using `params`.\"\n   * `uri` is a hyperlink starting with `http://`, `https://`, `ftp://`, `file://` or `mailto://`. `params` is an\n   * optional list of key=value assignments, separated by the : character.\n   * Example: `id=xyz123:foo=bar:baz=quux`.\n   * Currently only the id key is defined. Cells that share the same ID and URI share hover\n   * feedback. Use `OSC 8 ; ; BEL` to finish the current hyperlink.\n   */\n  public setHyperlink(data: string): boolean {\n    const args = data.split(';');\n    if (args.length < 2) {\n      return false;\n    }\n    if (args[1]) {\n      return this._createHyperlink(args[0], args[1]);\n    }\n    if (args[0]) {\n      return false;\n    }\n    return this._finishHyperlink();\n  }\n\n  private _createHyperlink(params: string, uri: string): boolean {\n    // It's legal to open a new hyperlink without explicitly finishing the previous one\n    if (this._getCurrentLinkId()) {\n      this._finishHyperlink();\n    }\n    const parsedParams = params.split(':');\n    let id: string | undefined;\n    const idParamIndex = parsedParams.findIndex(e => e.startsWith('id='));\n    if (idParamIndex !== -1) {\n      id = parsedParams[idParamIndex].slice(3) || undefined;\n    }\n    this._curAttrData.extended = this._curAttrData.extended.clone();\n    this._curAttrData.extended.urlId = this._oscLinkService.registerLink({ id, uri });\n    this._curAttrData.updateExtended();\n    return true;\n  }\n\n  private _finishHyperlink(): boolean {\n    this._curAttrData.extended = this._curAttrData.extended.clone();\n    this._curAttrData.extended.urlId = 0;\n    this._curAttrData.updateExtended();\n    return true;\n  }\n\n  // special colors - OSC 10 | 11 | 12\n  private _specialColors = [SpecialColorIndex.FOREGROUND, SpecialColorIndex.BACKGROUND, SpecialColorIndex.CURSOR];\n\n  /**\n   * Apply colors requests for special colors in OSC 10 | 11 | 12.\n   * Since these commands are stacking from multiple parameters,\n   * we handle them in a loop with an entry offset to `_specialColors`.\n   */\n  private _setOrReportSpecialColor(data: string, offset: number): boolean {\n    const slots = data.split(';');\n    for (let i = 0; i < slots.length; ++i, ++offset) {\n      if (offset >= this._specialColors.length) break;\n      if (slots[i] === '?') {\n        this._onColor.fire([{ type: ColorRequestType.REPORT, index: this._specialColors[offset] }]);\n      } else {\n        const color = parseColor(slots[i]);\n        if (color) {\n          this._onColor.fire([{ type: ColorRequestType.SET, index: this._specialColors[offset], color }]);\n        }\n      }\n    }\n    return true;\n  }\n\n  /**\n   * OSC 10 ; <xcolor name>|<?> ST - set or query default foreground color\n   *\n   * @vt: #Y  OSC   10    \"Set or query default foreground color\"   \"OSC 10 ; Pt BEL\"  \"Set or query default foreground color.\"\n   * To set the color, the following color specification formats are supported:\n   * - `rgb:<red>/<green>/<blue>` for  `<red>, <green>, <blue>` in `h | hh | hhh | hhhh`, where\n   *   `h` is a single hexadecimal digit (case insignificant). The different widths scale\n   *   from 4 bit (`h`) to 16 bit (`hhhh`) and get converted to 8 bit (`hh`).\n   * - `#RGB` - 4 bits per channel, expanded to `#R0G0B0`\n   * - `#RRGGBB` - 8 bits per channel\n   * - `#RRRGGGBBB` - 12 bits per channel, truncated to `#RRGGBB`\n   * - `#RRRRGGGGBBBB` - 16 bits per channel, truncated to `#RRGGBB`\n   *\n   * **Note:** X11 named colors are currently unsupported.\n   *\n   * If `Pt` contains `?` instead of a color specification, the terminal\n   * returns a sequence with the current default foreground color\n   * (use that sequence to restore the color after changes).\n   *\n   * **Note:** Other than xterm, xterm.js does not support OSC 12 - 19.\n   * Therefore stacking multiple `Pt` separated by `;` only works for the first two entries.\n   */\n  public setOrReportFgColor(data: string): boolean {\n    return this._setOrReportSpecialColor(data, 0);\n  }\n\n  /**\n   * OSC 11 ; <xcolor name>|<?> ST - set or query default background color\n   *\n   * @vt: #Y  OSC   11    \"Set or query default background color\"   \"OSC 11 ; Pt BEL\"  \"Same as OSC 10, but for default background.\"\n   */\n  public setOrReportBgColor(data: string): boolean {\n    return this._setOrReportSpecialColor(data, 1);\n  }\n\n  /**\n   * OSC 12 ; <xcolor name>|<?> ST - set or query default cursor color\n   *\n   * @vt: #Y  OSC   12    \"Set or query default cursor color\"   \"OSC 12 ; Pt BEL\"  \"Same as OSC 10, but for default cursor color.\"\n   */\n  public setOrReportCursorColor(data: string): boolean {\n    return this._setOrReportSpecialColor(data, 2);\n  }\n\n  /**\n   * OSC 104 ; <num> ST - restore ANSI color <num>\n   *\n   * @vt: #Y  OSC   104    \"Reset ANSI color\"   \"OSC 104 ; c BEL\" \"Reset color number `c` to themed color.\"\n   * `c` is the color index between 0 and 255. This function restores the default color for `c` as\n   * specified by the loaded theme. Any number of `c` parameters may be given.\n   * If no parameters are given, the entire indexed color table will be reset.\n   */\n  public restoreIndexedColor(data: string): boolean {\n    if (!data) {\n      this._onColor.fire([{ type: ColorRequestType.RESTORE }]);\n      return true;\n    }\n    const event: IColorEvent = [];\n    const slots = data.split(';');\n    for (let i = 0; i < slots.length; ++i) {\n      if (/^\\d+$/.exec(slots[i])) {\n        const index = parseInt(slots[i]);\n        if (isValidColorIndex(index)) {\n          event.push({ type: ColorRequestType.RESTORE, index });\n        }\n      }\n    }\n    if (event.length) {\n      this._onColor.fire(event);\n    }\n    return true;\n  }\n\n  /**\n   * OSC 110 ST - restore default foreground color\n   *\n   * @vt: #Y  OSC   110    \"Restore default foreground color\"   \"OSC 110 BEL\"  \"Restore default foreground to themed color.\"\n   */\n  public restoreFgColor(data: string): boolean {\n    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.FOREGROUND }]);\n    return true;\n  }\n\n  /**\n   * OSC 111 ST - restore default background color\n   *\n   * @vt: #Y  OSC   111    \"Restore default background color\"   \"OSC 111 BEL\"  \"Restore default background to themed color.\"\n   */\n  public restoreBgColor(data: string): boolean {\n    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.BACKGROUND }]);\n    return true;\n  }\n\n  /**\n   * OSC 112 ST - restore default cursor color\n   *\n   * @vt: #Y  OSC   112    \"Restore default cursor color\"   \"OSC 112 BEL\"  \"Restore default cursor to themed color.\"\n   */\n  public restoreCursorColor(data: string): boolean {\n    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.CURSOR }]);\n    return true;\n  }\n\n  /**\n   * ESC E\n   * C1.NEL\n   *   DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)\n   *   Moves cursor to first position on next line.\n   *\n   * @vt: #Y   C1    NEL   \"Next Line\"   \"\\x85\"    \"Move the cursor to the beginning of the next row.\"\n   * @vt: #Y   ESC   NEL   \"Next Line\"   \"ESC E\"   \"Move the cursor to the beginning of the next row.\"\n   */\n  public nextLine(): boolean {\n    this._activeBuffer.x = 0;\n    this.index();\n    return true;\n  }\n\n  /**\n   * ESC =\n   *   DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)\n   *   Enables the numeric keypad to send application sequences to the host.\n   */\n  public keypadApplicationMode(): boolean {\n    this._logService.debug('Serial port requested application keypad.');\n    this._coreService.decPrivateModes.applicationKeypad = true;\n    this._onRequestSyncScrollBar.fire();\n    return true;\n  }\n\n  /**\n   * ESC >\n   *   DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)\n   *   Enables the keypad to send numeric characters to the host.\n   */\n  public keypadNumericMode(): boolean {\n    this._logService.debug('Switching back to normal keypad.');\n    this._coreService.decPrivateModes.applicationKeypad = false;\n    this._onRequestSyncScrollBar.fire();\n    return true;\n  }\n\n  /**\n   * ESC % @\n   * ESC % G\n   *   Select default character set. UTF-8 is not supported (string are unicode anyways)\n   *   therefore ESC % G does the same.\n   */\n  public selectDefaultCharset(): boolean {\n    this._charsetService.setgLevel(0);\n    this._charsetService.setgCharset(0, DEFAULT_CHARSET); // US (default)\n    return true;\n  }\n\n  /**\n   * ESC ( C\n   *   Designate G0 Character Set, VT100, ISO 2022.\n   * ESC ) C\n   *   Designate G1 Character Set (ISO 2022, VT100).\n   * ESC * C\n   *   Designate G2 Character Set (ISO 2022, VT220).\n   * ESC + C\n   *   Designate G3 Character Set (ISO 2022, VT220).\n   * ESC - C\n   *   Designate G1 Character Set (VT300).\n   * ESC . C\n   *   Designate G2 Character Set (VT300).\n   * ESC / C\n   *   Designate G3 Character Set (VT300). C = A  -> ISO Latin-1 Supplemental. - Supported?\n   */\n  public selectCharset(collectAndFlag: string): boolean {\n    if (collectAndFlag.length !== 2) {\n      this.selectDefaultCharset();\n      return true;\n    }\n    if (collectAndFlag[0] === '/') {\n      return true;  // TODO: Is this supported?\n    }\n    this._charsetService.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);\n    return true;\n  }\n\n  /**\n   * ESC D\n   * C1.IND\n   *   DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)\n   *   Moves the cursor down one line in the same column.\n   *\n   * @vt: #Y   C1    IND   \"Index\"   \"\\x84\"    \"Move the cursor one line down scrolling if needed.\"\n   * @vt: #Y   ESC   IND   \"Index\"   \"ESC D\"   \"Move the cursor one line down scrolling if needed.\"\n   */\n  public index(): boolean {\n    this._restrictCursor();\n    this._activeBuffer.y++;\n    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {\n      this._activeBuffer.y--;\n      this._bufferService.scroll(this._eraseAttrData());\n    } else if (this._activeBuffer.y >= this._bufferService.rows) {\n      this._activeBuffer.y = this._bufferService.rows - 1;\n    }\n    this._restrictCursor();\n    return true;\n  }\n\n  /**\n   * ESC H\n   * C1.HTS\n   *   DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)\n   *   Sets a horizontal tab stop at the column position indicated by\n   *   the value of the active column when the terminal receives an HTS.\n   *\n   * @vt: #Y   C1    HTS   \"Horizontal Tabulation Set\" \"\\x88\"    \"Places a tab stop at the current cursor position.\"\n   * @vt: #Y   ESC   HTS   \"Horizontal Tabulation Set\" \"ESC H\"   \"Places a tab stop at the current cursor position.\"\n   */\n  public tabSet(): boolean {\n    this._activeBuffer.tabs[this._activeBuffer.x] = true;\n    return true;\n  }\n\n  /**\n   * ESC M\n   * C1.RI\n   *   DEC mnemonic: HTS\n   *   Moves the cursor up one line in the same column. If the cursor is at the top margin,\n   *   the page scrolls down.\n   *\n   * @vt: #Y ESC  IR \"Reverse Index\" \"ESC M\"  \"Move the cursor one line up scrolling if needed.\"\n   */\n  public reverseIndex(): boolean {\n    this._restrictCursor();\n    if (this._activeBuffer.y === this._activeBuffer.scrollTop) {\n      // possibly move the code below to term.reverseScroll();\n      // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n      // blankLine(true) is xterm/linux behavior\n      const scrollRegionHeight = this._activeBuffer.scrollBottom - this._activeBuffer.scrollTop;\n      this._activeBuffer.lines.shiftElements(this._activeBuffer.ybase + this._activeBuffer.y, scrollRegionHeight, 1);\n      this._activeBuffer.lines.set(this._activeBuffer.ybase + this._activeBuffer.y, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n      this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    } else {\n      this._activeBuffer.y--;\n      this._restrictCursor(); // quickfix to not run out of bounds\n    }\n    return true;\n  }\n\n  /**\n   * ESC c\n   *   DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)\n   *   Reset to initial state.\n   */\n  public fullReset(): boolean {\n    this._parser.reset();\n    this._onRequestReset.fire();\n    return true;\n  }\n\n  public reset(): void {\n    this._curAttrData = DEFAULT_ATTR_DATA.clone();\n    this._eraseAttrDataInternal = DEFAULT_ATTR_DATA.clone();\n  }\n\n  /**\n   * back_color_erase feature for xterm.\n   */\n  private _eraseAttrData(): IAttributeData {\n    this._eraseAttrDataInternal.bg &= ~(Attributes.CM_MASK | 0xFFFFFF);\n    this._eraseAttrDataInternal.bg |= this._curAttrData.bg & ~0xFC000000;\n    return this._eraseAttrDataInternal;\n  }\n\n  /**\n   * ESC n\n   * ESC o\n   * ESC |\n   * ESC }\n   * ESC ~\n   *   DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)\n   *   When you use a locking shift, the character set remains in GL or GR until\n   *   you use another locking shift. (partly supported)\n   */\n  public setgLevel(level: number): boolean {\n    this._charsetService.setgLevel(level);\n    return true;\n  }\n\n  /**\n   * ESC # 8\n   *   DEC mnemonic: DECALN (https://vt100.net/docs/vt510-rm/DECALN.html)\n   *   This control function fills the complete screen area with\n   *   a test pattern (E) used for adjusting screen alignment.\n   *\n   * @vt: #Y   ESC   DECALN   \"Screen Alignment Pattern\"  \"ESC # 8\"  \"Fill viewport with a test pattern (E).\"\n   */\n  public screenAlignmentPattern(): boolean {\n    // prepare cell data\n    const cell = new CellData();\n    cell.content = 1 << Content.WIDTH_SHIFT | 'E'.charCodeAt(0);\n    cell.fg = this._curAttrData.fg;\n    cell.bg = this._curAttrData.bg;\n\n\n    this._setCursor(0, 0);\n    for (let yOffset = 0; yOffset < this._bufferService.rows; ++yOffset) {\n      const row = this._activeBuffer.ybase + this._activeBuffer.y + yOffset;\n      const line = this._activeBuffer.lines.get(row);\n      if (line) {\n        line.fill(cell);\n        line.isWrapped = false;\n      }\n    }\n    this._dirtyRowTracker.markAllDirty();\n    this._setCursor(0, 0);\n    return true;\n  }\n\n\n  /**\n   * DCS $ q Pt ST\n   *   DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)\n   *   Request Status String (DECRQSS), VT420 and up.\n   *   Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)\n   *\n   * @vt: #P[Limited support, see below.]  DCS   DECRQSS   \"Request Selection or Setting\"  \"DCS $ q Pt ST\"   \"Request several terminal settings.\"\n   * Response is in the form `ESC P 1 $ r Pt ST` for valid requests, where `Pt` contains the\n   * corresponding CSI string, `ESC P 0 ST` for invalid requests.\n   *\n   * Supported requests and responses:\n   *\n   * | Type                             | Request           | Response (`Pt`)                                       |\n   * | -------------------------------- | ----------------- | ----------------------------------------------------- |\n   * | Graphic Rendition (SGR)          | `DCS $ q m ST`    | always reporting `0m` (currently broken)              |\n   * | Top and Bottom Margins (DECSTBM) | `DCS $ q r ST`    | `Ps ; Ps r`                                           |\n   * | Cursor Style (DECSCUSR)          | `DCS $ q SP q ST` | `Ps SP q`                                             |\n   * | Protection Attribute (DECSCA)    | `DCS $ q \" q ST`  | `Ps \" q` (DECSCA 2 is reported as Ps = 0)             |\n   * | Conformance Level (DECSCL)       | `DCS $ q \" p ST`  | always reporting `61 ; 1 \" p` (DECSCL is unsupported) |\n   *\n   *\n   * TODO:\n   * - fix SGR report\n   * - either check which conformance is better suited or remove the report completely\n   *   --> we are currently a mixture of all up to VT400 but dont follow anyone strictly\n   */\n  public requestStatusString(data: string, params: IParams): boolean {\n    const f = (s: string): boolean => {\n      this._coreService.triggerDataEvent(`${C0.ESC}${s}${C0.ESC}\\\\`);\n      return true;\n    };\n\n    // access helpers\n    const b = this._bufferService.buffer;\n    const opts = this._optionsService.rawOptions;\n    const STYLES: { [key: string]: number } = { 'block': 2, 'underline': 4, 'bar': 6 };\n\n    if (data === '\"q') return f(`P1$r${this._curAttrData.isProtected() ? 1 : 0}\"q`);\n    if (data === '\"p') return f(`P1$r61;1\"p`);\n    if (data === 'r') return f(`P1$r${b.scrollTop + 1};${b.scrollBottom + 1}r`);\n    // FIXME: report real SGR settings instead of 0m\n    if (data === 'm') return f(`P1$r0m`);\n    if (data === ' q') return f(`P1$r${STYLES[opts.cursorStyle] - (opts.cursorBlink ? 1 : 0)} q`);\n    return f(`P0$r`);\n  }\n\n  public markRangeDirty(y1: number, y2: number): void {\n    this._dirtyRowTracker.markRangeDirty(y1, y2);\n  }\n}\n\nexport interface IDirtyRowTracker {\n  readonly start: number;\n  readonly end: number;\n\n  clearRange(): void;\n  markDirty(y: number): void;\n  markRangeDirty(y1: number, y2: number): void;\n  markAllDirty(): void;\n}\n\nclass DirtyRowTracker implements IDirtyRowTracker {\n  public start!: number;\n  public end!: number;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService\n  ) {\n    this.clearRange();\n  }\n\n  public clearRange(): void {\n    this.start = this._bufferService.buffer.y;\n    this.end = this._bufferService.buffer.y;\n  }\n\n  public markDirty(y: number): void {\n    if (y < this.start) {\n      this.start = y;\n    } else if (y > this.end) {\n      this.end = y;\n    }\n  }\n\n  public markRangeDirty(y1: number, y2: number): void {\n    if (y1 > y2) {\n      $temp = y1;\n      y1 = y2;\n      y2 = $temp;\n    }\n    if (y1 < this.start) {\n      this.start = y1;\n    }\n    if (y2 > this.end) {\n      this.end = y2;\n    }\n  }\n\n  public markAllDirty(): void {\n    this.markRangeDirty(0, this._bufferService.rows - 1);\n  }\n}\n\nfunction isValidColorIndex(value: number): value is ColorIndex {\n  return 0 <= value && value < 256;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n  protected _disposables: IDisposable[] = [];\n  protected _isDisposed: boolean = false;\n\n  /**\n   * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n   */\n  public dispose(): void {\n    this._isDisposed = true;\n    for (const d of this._disposables) {\n      d.dispose();\n    }\n    this._disposables.length = 0;\n  }\n\n  /**\n   * Registers a disposable object.\n   * @param d The disposable to register.\n   * @returns The disposable.\n   */\n  public register<T extends IDisposable>(d: T): T {\n    this._disposables.push(d);\n    return d;\n  }\n\n  /**\n   * Unregisters a disposable object if it has been registered, if not do\n   * nothing.\n   * @param d The disposable to unregister.\n   */\n  public unregister<T extends IDisposable>(d: T): void {\n    const index = this._disposables.indexOf(d);\n    if (index !== -1) {\n      this._disposables.splice(index, 1);\n    }\n  }\n}\n\nexport class MutableDisposable<T extends IDisposable> implements IDisposable {\n  private _value?: T;\n  private _isDisposed = false;\n\n  /**\n   * Gets the value if it exists.\n   */\n  public get value(): T | undefined {\n    return this._isDisposed ? undefined : this._value;\n  }\n\n  /**\n   * Sets the value, disposing of the old value if it exists.\n   */\n  public set value(value: T | undefined) {\n    if (this._isDisposed || value === this._value) {\n      return;\n    }\n    this._value?.dispose();\n    this._value = value;\n  }\n\n  /**\n   * Resets the stored value and disposes of the previously stored value.\n   */\n  public clear(): void {\n    this.value = undefined;\n  }\n\n  public dispose(): void {\n    this._isDisposed = true;\n    this._value?.dispose();\n    this._value = undefined;\n  }\n}\n\n/**\n * Wrap a function in a disposable.\n */\nexport function toDisposable(f: () => void): IDisposable {\n  return { dispose: f };\n}\n\n/**\n * Dispose of all disposables in an array and set its length to 0.\n */\nexport function disposeArray(disposables: IDisposable[]): void {\n  for (const d of disposables) {\n    d.dispose();\n  }\n  disposables.length = 0;\n}\n\n/**\n * Creates a disposable that will dispose of an array of disposables when disposed.\n */\nexport function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {\n  return { dispose: () => disposeArray(array) };\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport class TwoKeyMap<TFirst extends string | number, TSecond extends string | number, TValue> {\n  private _data: { [bg: string | number]: { [fg: string | number]: TValue | undefined } | undefined } = {};\n\n  public set(first: TFirst, second: TSecond, value: TValue): void {\n    if (!this._data[first]) {\n      this._data[first] = {};\n    }\n    this._data[first as string | number]![second] = value;\n  }\n\n  public get(first: TFirst, second: TSecond): TValue | undefined {\n    return this._data[first as string | number] ? this._data[first as string | number]![second] : undefined;\n  }\n\n  public clear(): void {\n    this._data = {};\n  }\n}\n\nexport class FourKeyMap<TFirst extends string | number, TSecond extends string | number, TThird extends string | number, TFourth extends string | number, TValue> {\n  private _data: TwoKeyMap<TFirst, TSecond, TwoKeyMap<TThird, TFourth, TValue>> = new TwoKeyMap();\n\n  public set(first: TFirst, second: TSecond, third: TThird, fourth: TFourth, value: TValue): void {\n    if (!this._data.get(first, second)) {\n      this._data.set(first, second, new TwoKeyMap());\n    }\n    this._data.get(first, second)!.set(third, fourth, value);\n  }\n\n  public get(first: TFirst, second: TSecond, third: TThird, fourth: TFourth): TValue | undefined {\n    return this._data.get(first, second)?.get(third, fourth);\n  }\n\n  public clear(): void {\n    this._data.clear();\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface INavigator {\n  userAgent: string;\n  language: string;\n  platform: string;\n}\n\n// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but\n// we want this module to live in common.\ndeclare const navigator: INavigator;\ndeclare const process: unknown;\n\nexport const isNode = (typeof process !== 'undefined' && 'title' in (process as any)) ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = userAgent.includes('Firefox');\nexport const isLegacyEdge = userAgent.includes('Edge');\nexport const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);\nexport function getSafariVersion(): number {\n  if (!isSafari) {\n    return 0;\n  }\n  const majorVersion = userAgent.match(/Version\\/(\\d+)/);\n  if (majorVersion === null || majorVersion.length < 2) {\n    return 0;\n  }\n  return parseInt(majorVersion[1]);\n}\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'].includes(platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].includes(platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n// Note that when this is true, isLinux will also be true.\nexport const isChromeOS = /\\bCrOS\\b/.test(userAgent);\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n// Work variables to avoid garbage collection.\nlet i = 0;\n\n/**\n * A generic list that is maintained in sorted order and allows values with duplicate keys. This\n * list is based on binary search and as such locating a key will take O(log n) amortized, this\n * includes the by key iterator.\n */\nexport class SortedList<T> {\n  private readonly _array: T[] = [];\n\n  constructor(\n    private readonly _getKey: (value: T) => number\n  ) {\n  }\n\n  public clear(): void {\n    this._array.length = 0;\n  }\n\n  public insert(value: T): void {\n    if (this._array.length === 0) {\n      this._array.push(value);\n      return;\n    }\n    i = this._search(this._getKey(value));\n    this._array.splice(i, 0, value);\n  }\n\n  public delete(value: T): boolean {\n    if (this._array.length === 0) {\n      return false;\n    }\n    const key = this._getKey(value);\n    if (key === undefined) {\n      return false;\n    }\n    i = this._search(key);\n    if (i === -1) {\n      return false;\n    }\n    if (this._getKey(this._array[i]) !== key) {\n      return false;\n    }\n    do {\n      if (this._array[i] === value) {\n        this._array.splice(i, 1);\n        return true;\n      }\n    } while (++i < this._array.length && this._getKey(this._array[i]) === key);\n    return false;\n  }\n\n  public *getKeyIterator(key: number): IterableIterator<T> {\n    if (this._array.length === 0) {\n      return;\n    }\n    i = this._search(key);\n    if (i < 0 || i >= this._array.length) {\n      return;\n    }\n    if (this._getKey(this._array[i]) !== key) {\n      return;\n    }\n    do {\n      yield this._array[i];\n    } while (++i < this._array.length && this._getKey(this._array[i]) === key);\n  }\n\n  public forEachByKey(key: number, callback: (value: T) => void): void {\n    if (this._array.length === 0) {\n      return;\n    }\n    i = this._search(key);\n    if (i < 0 || i >= this._array.length) {\n      return;\n    }\n    if (this._getKey(this._array[i]) !== key) {\n      return;\n    }\n    do {\n      callback(this._array[i]);\n    } while (++i < this._array.length && this._getKey(this._array[i]) === key);\n  }\n\n  public values(): IterableIterator<T> {\n    // Duplicate the array to avoid issues when _array changes while iterating\n    return [...this._array].values();\n  }\n\n  private _search(key: number): number {\n    let min = 0;\n    let max = this._array.length - 1;\n    while (max >= min) {\n      let mid = (min + max) >> 1;\n      const midKey = this._getKey(this._array[mid]);\n      if (midKey > key) {\n        max = mid - 1;\n      } else if (midKey < key) {\n        min = mid + 1;\n      } else {\n        // key in list, walk to lowest duplicate\n        while (mid > 0 && this._getKey(this._array[mid - 1]) === key) {\n          mid--;\n        }\n        return mid;\n      }\n    }\n    // key not in list\n    // still return closest min (also used as insert position)\n    return min;\n  }\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { isNode } from 'common/Platform';\n\ninterface ITaskQueue {\n  /**\n   * Adds a task to the queue which will run in a future idle callback.\n   * To avoid perceivable stalls on the mainthread, tasks with heavy workload\n   * should split their work into smaller pieces and return `true` to get\n   * called again until the work is done (on falsy return value).\n   */\n  enqueue(task: () => boolean | void): void;\n\n  /**\n   * Flushes the queue, running all remaining tasks synchronously.\n   */\n  flush(): void;\n\n  /**\n   * Clears any remaining tasks from the queue, these will not be run.\n   */\n  clear(): void;\n}\n\ninterface ITaskDeadline {\n  timeRemaining(): number;\n}\ntype CallbackWithDeadline = (deadline: ITaskDeadline) => void;\n\nabstract class TaskQueue implements ITaskQueue {\n  private _tasks: (() => boolean | void)[] = [];\n  private _idleCallback?: number;\n  private _i = 0;\n\n  protected abstract _requestCallback(callback: CallbackWithDeadline): number;\n  protected abstract _cancelCallback(identifier: number): void;\n\n  public enqueue(task: () => boolean | void): void {\n    this._tasks.push(task);\n    this._start();\n  }\n\n  public flush(): void {\n    while (this._i < this._tasks.length) {\n      if (!this._tasks[this._i]()) {\n        this._i++;\n      }\n    }\n    this.clear();\n  }\n\n  public clear(): void {\n    if (this._idleCallback) {\n      this._cancelCallback(this._idleCallback);\n      this._idleCallback = undefined;\n    }\n    this._i = 0;\n    this._tasks.length = 0;\n  }\n\n  private _start(): void {\n    if (!this._idleCallback) {\n      this._idleCallback = this._requestCallback(this._process.bind(this));\n    }\n  }\n\n  private _process(deadline: ITaskDeadline): void {\n    this._idleCallback = undefined;\n    let taskDuration = 0;\n    let longestTask = 0;\n    let lastDeadlineRemaining = deadline.timeRemaining();\n    let deadlineRemaining = 0;\n    while (this._i < this._tasks.length) {\n      taskDuration = Date.now();\n      if (!this._tasks[this._i]()) {\n        this._i++;\n      }\n      // other than performance.now, Date.now might not be stable (changes on wall clock changes),\n      // this is not an issue here as a clock change during a short running task is very unlikely\n      // in case it still happened and leads to negative duration, simply assume 1 msec\n      taskDuration = Math.max(1, Date.now() - taskDuration);\n      longestTask = Math.max(taskDuration, longestTask);\n      // Guess the following task will take a similar time to the longest task in this batch, allow\n      // additional room to try avoid exceeding the deadline\n      deadlineRemaining = deadline.timeRemaining();\n      if (longestTask * 1.5 > deadlineRemaining) {\n        // Warn when the time exceeding the deadline is over 20ms, if this happens in practice the\n        // task should be split into sub-tasks to ensure the UI remains responsive.\n        if (lastDeadlineRemaining - taskDuration < -20) {\n          console.warn(`task queue exceeded allotted deadline by ${Math.abs(Math.round(lastDeadlineRemaining - taskDuration))}ms`);\n        }\n        this._start();\n        return;\n      }\n      lastDeadlineRemaining = deadlineRemaining;\n    }\n    this.clear();\n  }\n}\n\n/**\n * A queue of that runs tasks over several tasks via setTimeout, trying to maintain above 60 frames\n * per second. The tasks will run in the order they are enqueued, but they will run some time later,\n * and care should be taken to ensure they're non-urgent and will not introduce race conditions.\n */\nexport class PriorityTaskQueue extends TaskQueue {\n  protected _requestCallback(callback: CallbackWithDeadline): number {\n    return setTimeout(() => callback(this._createDeadline(16)));\n  }\n\n  protected _cancelCallback(identifier: number): void {\n    clearTimeout(identifier);\n  }\n\n  private _createDeadline(duration: number): ITaskDeadline {\n    const end = Date.now() + duration;\n    return {\n      timeRemaining: () => Math.max(0, end - Date.now())\n    };\n  }\n}\n\nclass IdleTaskQueueInternal extends TaskQueue {\n  protected _requestCallback(callback: IdleRequestCallback): number {\n    return requestIdleCallback(callback);\n  }\n\n  protected _cancelCallback(identifier: number): void {\n    cancelIdleCallback(identifier);\n  }\n}\n\n/**\n * A queue of that runs tasks over several idle callbacks, trying to respect the idle callback's\n * deadline given by the environment. The tasks will run in the order they are enqueued, but they\n * will run some time later, and care should be taken to ensure they're non-urgent and will not\n * introduce race conditions.\n *\n * This reverts to a {@link PriorityTaskQueue} if the environment does not support idle callbacks.\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport const IdleTaskQueue = (!isNode && 'requestIdleCallback' in window) ? IdleTaskQueueInternal : PriorityTaskQueue;\n\n/**\n * An object that tracks a single debounced task that will run on the next idle frame. When called\n * multiple times, only the last set task will run.\n */\nexport class DebouncedIdleTask {\n  private _queue: ITaskQueue;\n\n  constructor() {\n    this._queue = new IdleTaskQueue();\n  }\n\n  public set(task: () => boolean | void): void {\n    this._queue.clear();\n    this._queue.enqueue(task);\n  }\n\n  public flush(): void {\n    this._queue.flush();\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'common/buffer/Constants';\nimport { IBufferService } from 'common/services/Services';\n\nexport function updateWindowsModeWrappedState(bufferService: IBufferService): void {\n  // Winpty does not support wraparound mode which means that lines will never\n  // be marked as wrapped. This causes issues for things like copying a line\n  // retaining the wrapped new line characters or if consumers are listening\n  // in on the data stream.\n  //\n  // The workaround for this is to listen to every incoming line feed and mark\n  // the line as wrapped if the last character in the previous line is not a\n  // space. This is certainly not without its problems, but generally on\n  // Windows when text reaches the end of the terminal it's likely going to be\n  // wrapped.\n  const line = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y - 1);\n  const lastChar = line?.get(bufferService.cols - 1);\n\n  const nextLine = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y);\n  if (nextLine && lastChar) {\n    nextLine.isWrapped = (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE);\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IAttributeData, IColorRGB, IExtendedAttrs } from 'common/Types';\nimport { Attributes, FgFlags, BgFlags, UnderlineStyle, ExtFlags } from 'common/buffer/Constants';\n\nexport class AttributeData implements IAttributeData {\n  public static toColorRGB(value: number): IColorRGB {\n    return [\n      value >>> Attributes.RED_SHIFT & 255,\n      value >>> Attributes.GREEN_SHIFT & 255,\n      value & 255\n    ];\n  }\n\n  public static fromColorRGB(value: IColorRGB): number {\n    return (value[0] & 255) << Attributes.RED_SHIFT | (value[1] & 255) << Attributes.GREEN_SHIFT | value[2] & 255;\n  }\n\n  public clone(): IAttributeData {\n    const newObj = new AttributeData();\n    newObj.fg = this.fg;\n    newObj.bg = this.bg;\n    newObj.extended = this.extended.clone();\n    return newObj;\n  }\n\n  // data\n  public fg = 0;\n  public bg = 0;\n  public extended: IExtendedAttrs = new ExtendedAttrs();\n\n  // flags\n  public isInverse(): number       { return this.fg & FgFlags.INVERSE; }\n  public isBold(): number          { return this.fg & FgFlags.BOLD; }\n  public isUnderline(): number     {\n    if (this.hasExtendedAttrs() && this.extended.underlineStyle !== UnderlineStyle.NONE) {\n      return 1;\n    }\n    return this.fg & FgFlags.UNDERLINE;\n  }\n  public isBlink(): number         { return this.fg & FgFlags.BLINK; }\n  public isInvisible(): number     { return this.fg & FgFlags.INVISIBLE; }\n  public isItalic(): number        { return this.bg & BgFlags.ITALIC; }\n  public isDim(): number           { return this.bg & BgFlags.DIM; }\n  public isStrikethrough(): number { return this.fg & FgFlags.STRIKETHROUGH; }\n  public isProtected(): number     { return this.bg & BgFlags.PROTECTED; }\n  public isOverline(): number      { return this.bg & BgFlags.OVERLINE; }\n\n  // color modes\n  public getFgColorMode(): number { return this.fg & Attributes.CM_MASK; }\n  public getBgColorMode(): number { return this.bg & Attributes.CM_MASK; }\n  public isFgRGB(): boolean       { return (this.fg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n  public isBgRGB(): boolean       { return (this.bg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n  public isFgPalette(): boolean   { return (this.fg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.fg & Attributes.CM_MASK) === Attributes.CM_P256; }\n  public isBgPalette(): boolean   { return (this.bg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.bg & Attributes.CM_MASK) === Attributes.CM_P256; }\n  public isFgDefault(): boolean   { return (this.fg & Attributes.CM_MASK) === 0; }\n  public isBgDefault(): boolean   { return (this.bg & Attributes.CM_MASK) === 0; }\n  public isAttributeDefault(): boolean { return this.fg === 0 && this.bg === 0; }\n\n  // colors\n  public getFgColor(): number {\n    switch (this.fg & Attributes.CM_MASK) {\n      case Attributes.CM_P16:\n      case Attributes.CM_P256:  return this.fg & Attributes.PCOLOR_MASK;\n      case Attributes.CM_RGB:   return this.fg & Attributes.RGB_MASK;\n      default:                  return -1;  // CM_DEFAULT defaults to -1\n    }\n  }\n  public getBgColor(): number {\n    switch (this.bg & Attributes.CM_MASK) {\n      case Attributes.CM_P16:\n      case Attributes.CM_P256:  return this.bg & Attributes.PCOLOR_MASK;\n      case Attributes.CM_RGB:   return this.bg & Attributes.RGB_MASK;\n      default:                  return -1;  // CM_DEFAULT defaults to -1\n    }\n  }\n\n  // extended attrs\n  public hasExtendedAttrs(): number {\n    return this.bg & BgFlags.HAS_EXTENDED;\n  }\n  public updateExtended(): void {\n    if (this.extended.isEmpty()) {\n      this.bg &= ~BgFlags.HAS_EXTENDED;\n    } else {\n      this.bg |= BgFlags.HAS_EXTENDED;\n    }\n  }\n  public getUnderlineColor(): number {\n    if ((this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor) {\n      switch (this.extended.underlineColor & Attributes.CM_MASK) {\n        case Attributes.CM_P16:\n        case Attributes.CM_P256:  return this.extended.underlineColor & Attributes.PCOLOR_MASK;\n        case Attributes.CM_RGB:   return this.extended.underlineColor & Attributes.RGB_MASK;\n        default:                  return this.getFgColor();\n      }\n    }\n    return this.getFgColor();\n  }\n  public getUnderlineColorMode(): number {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? this.extended.underlineColor & Attributes.CM_MASK\n      : this.getFgColorMode();\n  }\n  public isUnderlineColorRGB(): boolean {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_RGB\n      : this.isFgRGB();\n  }\n  public isUnderlineColorPalette(): boolean {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P16\n          || (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P256\n      : this.isFgPalette();\n  }\n  public isUnderlineColorDefault(): boolean {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? (this.extended.underlineColor & Attributes.CM_MASK) === 0\n      : this.isFgDefault();\n  }\n  public getUnderlineStyle(): UnderlineStyle {\n    return this.fg & FgFlags.UNDERLINE\n      ? (this.bg & BgFlags.HAS_EXTENDED ? this.extended.underlineStyle : UnderlineStyle.SINGLE)\n      : UnderlineStyle.NONE;\n  }\n  public getUnderlineVariantOffset(): number {\n    return this.extended.underlineVariantOffset;\n  }\n}\n\n\n/**\n * Extended attributes for a cell.\n * Holds information about different underline styles and color.\n */\nexport class ExtendedAttrs implements IExtendedAttrs {\n  private _ext: number = 0;\n  public get ext(): number {\n    if (this._urlId) {\n      return (\n        (this._ext & ~ExtFlags.UNDERLINE_STYLE) |\n        (this.underlineStyle << 26)\n      );\n    }\n    return this._ext;\n  }\n  public set ext(value: number) { this._ext = value; }\n\n  public get underlineStyle(): UnderlineStyle {\n    // Always return the URL style if it has one\n    if (this._urlId) {\n      return UnderlineStyle.DASHED;\n    }\n    return (this._ext & ExtFlags.UNDERLINE_STYLE) >> 26;\n  }\n  public set underlineStyle(value: UnderlineStyle) {\n    this._ext &= ~ExtFlags.UNDERLINE_STYLE;\n    this._ext |= (value << 26) & ExtFlags.UNDERLINE_STYLE;\n  }\n\n  public get underlineColor(): number {\n    return this._ext & (Attributes.CM_MASK | Attributes.RGB_MASK);\n  }\n  public set underlineColor(value: number) {\n    this._ext &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n    this._ext |= value & (Attributes.CM_MASK | Attributes.RGB_MASK);\n  }\n\n  private _urlId: number = 0;\n  public get urlId(): number {\n    return this._urlId;\n  }\n  public set urlId(value: number) {\n    this._urlId = value;\n  }\n\n  public get underlineVariantOffset(): number {\n    const val = (this._ext & ExtFlags.VARIANT_OFFSET) >> 29;\n    if (val < 0) {\n      return val ^ 0xFFFFFFF8;\n    }\n    return val;\n  }\n  public set underlineVariantOffset(value: number) {\n    this._ext &= ~ExtFlags.VARIANT_OFFSET;\n    this._ext |= (value << 29) & ExtFlags.VARIANT_OFFSET;\n  }\n\n  constructor(\n    ext: number = 0,\n    urlId: number = 0\n  ) {\n    this._ext = ext;\n    this._urlId = urlId;\n  }\n\n  public clone(): IExtendedAttrs {\n    return new ExtendedAttrs(this._ext, this._urlId);\n  }\n\n  /**\n   * Convenient method to indicate whether the object holds no additional information,\n   * that needs to be persistant in the buffer.\n   */\n  public isEmpty(): boolean {\n    return this.underlineStyle === UnderlineStyle.NONE && this._urlId === 0;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CircularList, IInsertEvent } from 'common/CircularList';\nimport { IdleTaskQueue } from 'common/TaskQueue';\nimport { IAttributeData, IBufferLine, ICellData, ICharset } from 'common/Types';\nimport { ExtendedAttrs } from 'common/buffer/AttributeData';\nimport { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { getWrappedLineTrimmedLength, reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths } from 'common/buffer/BufferReflow';\nimport { CellData } from 'common/buffer/CellData';\nimport { NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE, WHITESPACE_CELL_WIDTH } from 'common/buffer/Constants';\nimport { Marker } from 'common/buffer/Marker';\nimport { IBuffer } from 'common/buffer/Types';\nimport { DEFAULT_CHARSET } from 'common/data/Charsets';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nexport const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n *   - text content of this particular buffer\n *   - cursor position\n *   - scroll position\n */\nexport class Buffer implements IBuffer {\n  public lines: CircularList<IBufferLine>;\n  public ydisp: number = 0;\n  public ybase: number = 0;\n  public y: number = 0;\n  public x: number = 0;\n  public scrollBottom: number;\n  public scrollTop: number;\n  public tabs: { [column: number]: boolean | undefined } = {};\n  public savedY: number = 0;\n  public savedX: number = 0;\n  public savedCurAttrData = DEFAULT_ATTR_DATA.clone();\n  public savedCharset: ICharset | undefined = DEFAULT_CHARSET;\n  public markers: Marker[] = [];\n  private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n  private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);\n  private _cols: number;\n  private _rows: number;\n  private _isClearing: boolean = false;\n\n  constructor(\n    private _hasScrollback: boolean,\n    private _optionsService: IOptionsService,\n    private _bufferService: IBufferService\n  ) {\n    this._cols = this._bufferService.cols;\n    this._rows = this._bufferService.rows;\n    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n    this.scrollTop = 0;\n    this.scrollBottom = this._rows - 1;\n    this.setupTabStops();\n  }\n\n  public getNullCell(attr?: IAttributeData): ICellData {\n    if (attr) {\n      this._nullCell.fg = attr.fg;\n      this._nullCell.bg = attr.bg;\n      this._nullCell.extended = attr.extended;\n    } else {\n      this._nullCell.fg = 0;\n      this._nullCell.bg = 0;\n      this._nullCell.extended = new ExtendedAttrs();\n    }\n    return this._nullCell;\n  }\n\n  public getWhitespaceCell(attr?: IAttributeData): ICellData {\n    if (attr) {\n      this._whitespaceCell.fg = attr.fg;\n      this._whitespaceCell.bg = attr.bg;\n      this._whitespaceCell.extended = attr.extended;\n    } else {\n      this._whitespaceCell.fg = 0;\n      this._whitespaceCell.bg = 0;\n      this._whitespaceCell.extended = new ExtendedAttrs();\n    }\n    return this._whitespaceCell;\n  }\n\n  public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {\n    return new BufferLine(this._bufferService.cols, this.getNullCell(attr), isWrapped);\n  }\n\n  public get hasScrollback(): boolean {\n    return this._hasScrollback && this.lines.maxLength > this._rows;\n  }\n\n  public get isCursorInViewport(): boolean {\n    const absoluteY = this.ybase + this.y;\n    const relativeY = absoluteY - this.ydisp;\n    return (relativeY >= 0 && relativeY < this._rows);\n  }\n\n  /**\n   * Gets the correct buffer length based on the rows provided, the terminal's\n   * scrollback and whether this buffer is flagged to have scrollback or not.\n   * @param rows The terminal rows to use in the calculation.\n   */\n  private _getCorrectBufferLength(rows: number): number {\n    if (!this._hasScrollback) {\n      return rows;\n    }\n\n    const correctBufferLength = rows + this._optionsService.rawOptions.scrollback;\n\n    return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;\n  }\n\n  /**\n   * Fills the buffer's viewport with blank lines.\n   */\n  public fillViewportRows(fillAttr?: IAttributeData): void {\n    if (this.lines.length === 0) {\n      if (fillAttr === undefined) {\n        fillAttr = DEFAULT_ATTR_DATA;\n      }\n      let i = this._rows;\n      while (i--) {\n        this.lines.push(this.getBlankLine(fillAttr));\n      }\n    }\n  }\n\n  /**\n   * Clears the buffer to it's initial state, discarding all previous data.\n   */\n  public clear(): void {\n    this.ydisp = 0;\n    this.ybase = 0;\n    this.y = 0;\n    this.x = 0;\n    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n    this.scrollTop = 0;\n    this.scrollBottom = this._rows - 1;\n    this.setupTabStops();\n  }\n\n  /**\n   * Resizes the buffer, adjusting its data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    // store reference to null cell with default attrs\n    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n\n    // count bufferlines with overly big memory to be cleaned afterwards\n    let dirtyMemoryLines = 0;\n\n    // Increase max length if needed before adjustments to allow space to fill\n    // as required.\n    const newMaxLength = this._getCorrectBufferLength(newRows);\n    if (newMaxLength > this.lines.maxLength) {\n      this.lines.maxLength = newMaxLength;\n    }\n\n    // The following adjustments should only happen if the buffer has been\n    // initialized/filled.\n    if (this.lines.length > 0) {\n      // Deal with columns increasing (reducing needs to happen after reflow)\n      if (this._cols < newCols) {\n        for (let i = 0; i < this.lines.length; i++) {\n          // +boolean for fast 0 or 1 conversion\n          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);\n        }\n      }\n\n      // Resize rows in both directions as needed\n      let addToY = 0;\n      if (this._rows < newRows) {\n        for (let y = this._rows; y < newRows; y++) {\n          if (this.lines.length < newRows + this.ybase) {\n            if (this._optionsService.rawOptions.windowsMode || this._optionsService.rawOptions.windowsPty.backend !== undefined || this._optionsService.rawOptions.windowsPty.buildNumber !== undefined) {\n              // Just add the new missing rows on Windows as conpty reprints the screen with it's\n              // view of the world. Once a line enters scrollback for conpty it remains there\n              this.lines.push(new BufferLine(newCols, nullCell));\n            } else {\n              if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n                // There is room above the buffer and there are no empty elements below the line,\n                // scroll up\n                this.ybase--;\n                addToY++;\n                if (this.ydisp > 0) {\n                  // Viewport is at the top of the buffer, must increase downwards\n                  this.ydisp--;\n                }\n              } else {\n                // Add a blank line if there is no buffer left at the top to scroll to, or if there\n                // are blank lines after the cursor\n                this.lines.push(new BufferLine(newCols, nullCell));\n              }\n            }\n          }\n        }\n      } else { // (this._rows >= newRows)\n        for (let y = this._rows; y > newRows; y--) {\n          if (this.lines.length > newRows + this.ybase) {\n            if (this.lines.length > this.ybase + this.y + 1) {\n              // The line is a blank line below the cursor, remove it\n              this.lines.pop();\n            } else {\n              // The line is the cursor, scroll down\n              this.ybase++;\n              this.ydisp++;\n            }\n          }\n        }\n      }\n\n      // Reduce max length if needed after adjustments, this is done after as it\n      // would otherwise cut data from the bottom of the buffer.\n      if (newMaxLength < this.lines.maxLength) {\n        // Trim from the top of the buffer and adjust ybase and ydisp.\n        const amountToTrim = this.lines.length - newMaxLength;\n        if (amountToTrim > 0) {\n          this.lines.trimStart(amountToTrim);\n          this.ybase = Math.max(this.ybase - amountToTrim, 0);\n          this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n          this.savedY = Math.max(this.savedY - amountToTrim, 0);\n        }\n        this.lines.maxLength = newMaxLength;\n      }\n\n      // Make sure that the cursor stays on screen\n      this.x = Math.min(this.x, newCols - 1);\n      this.y = Math.min(this.y, newRows - 1);\n      if (addToY) {\n        this.y += addToY;\n      }\n      this.savedX = Math.min(this.savedX, newCols - 1);\n\n      this.scrollTop = 0;\n    }\n\n    this.scrollBottom = newRows - 1;\n\n    if (this._isReflowEnabled) {\n      this._reflow(newCols, newRows);\n\n      // Trim the end of the line off if cols shrunk\n      if (this._cols > newCols) {\n        for (let i = 0; i < this.lines.length; i++) {\n          // +boolean for fast 0 or 1 conversion\n          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);\n        }\n      }\n    }\n\n    this._cols = newCols;\n    this._rows = newRows;\n\n    this._memoryCleanupQueue.clear();\n    // schedule memory cleanup only, if more than 10% of the lines are affected\n    if (dirtyMemoryLines > 0.1 * this.lines.length) {\n      this._memoryCleanupPosition = 0;\n      this._memoryCleanupQueue.enqueue(() => this._batchedMemoryCleanup());\n    }\n  }\n\n  private _memoryCleanupQueue = new IdleTaskQueue();\n  private _memoryCleanupPosition = 0;\n\n  private _batchedMemoryCleanup(): boolean {\n    let normalRun = true;\n    if (this._memoryCleanupPosition >= this.lines.length) {\n      // cleanup made it once through all lines, thus rescan in loop below to also catch shifted\n      // lines, which should finish rather quick if there are no more cleanups pending\n      this._memoryCleanupPosition = 0;\n      normalRun = false;\n    }\n    let counted = 0;\n    while (this._memoryCleanupPosition < this.lines.length) {\n      counted += this.lines.get(this._memoryCleanupPosition++)!.cleanupMemory();\n      // cleanup max 100 lines per batch\n      if (counted > 100) {\n        return true;\n      }\n    }\n    // normal runs always need another rescan afterwards\n    // if we made it here with normalRun=false, we are in a final run\n    // and can end the cleanup task for sure\n    return normalRun;\n  }\n\n  private get _isReflowEnabled(): boolean {\n    const windowsPty = this._optionsService.rawOptions.windowsPty;\n    if (windowsPty && windowsPty.buildNumber) {\n      return this._hasScrollback && windowsPty.backend === 'conpty' && windowsPty.buildNumber >= 21376;\n    }\n    return this._hasScrollback && !this._optionsService.rawOptions.windowsMode;\n  }\n\n  private _reflow(newCols: number, newRows: number): void {\n    if (this._cols === newCols) {\n      return;\n    }\n\n    // Iterate through rows, ignore the last one as it cannot be wrapped\n    if (newCols > this._cols) {\n      this._reflowLarger(newCols, newRows);\n    } else {\n      this._reflowSmaller(newCols, newRows);\n    }\n  }\n\n  private _reflowLarger(newCols: number, newRows: number): void {\n    const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));\n    if (toRemove.length > 0) {\n      const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);\n      reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);\n      this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);\n    }\n  }\n\n  private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {\n    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n    // Adjust viewport based on number of items removed\n    let viewportAdjustments = countRemoved;\n    while (viewportAdjustments-- > 0) {\n      if (this.ybase === 0) {\n        if (this.y > 0) {\n          this.y--;\n        }\n        if (this.lines.length < newRows) {\n          // Add an extra row at the bottom of the viewport\n          this.lines.push(new BufferLine(newCols, nullCell));\n        }\n      } else {\n        if (this.ydisp === this.ybase) {\n          this.ydisp--;\n        }\n        this.ybase--;\n      }\n    }\n    this.savedY = Math.max(this.savedY - countRemoved, 0);\n  }\n\n  private _reflowSmaller(newCols: number, newRows: number): void {\n    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n    // Gather all BufferLines that need to be inserted into the Buffer here so that they can be\n    // batched up and only committed once\n    const toInsert = [];\n    let countToInsert = 0;\n    // Go backwards as many lines may be trimmed and this will avoid considering them\n    for (let y = this.lines.length - 1; y >= 0; y--) {\n      // Check whether this line is a problem\n      let nextLine = this.lines.get(y) as BufferLine;\n      if (!nextLine || !nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {\n        continue;\n      }\n\n      // Gather wrapped lines and adjust y to be the starting line\n      const wrappedLines: BufferLine[] = [nextLine];\n      while (nextLine.isWrapped && y > 0) {\n        nextLine = this.lines.get(--y) as BufferLine;\n        wrappedLines.unshift(nextLine);\n      }\n\n      // If these lines contain the cursor don't touch them, the program will handle fixing up\n      // wrapped lines with the cursor\n      const absoluteY = this.ybase + this.y;\n      if (absoluteY >= y && absoluteY < y + wrappedLines.length) {\n        continue;\n      }\n\n      const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();\n      const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);\n      const linesToAdd = destLineLengths.length - wrappedLines.length;\n      let trimmedLines: number;\n      if (this.ybase === 0 && this.y !== this.lines.length - 1) {\n        // If the top section of the buffer is not yet filled\n        trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);\n      } else {\n        trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);\n      }\n\n      // Add the new lines\n      const newLines: BufferLine[] = [];\n      for (let i = 0; i < linesToAdd; i++) {\n        const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;\n        newLines.push(newLine);\n      }\n      if (newLines.length > 0) {\n        toInsert.push({\n          // countToInsert here gets the actual index, taking into account other inserted items.\n          // using this we can iterate through the list forwards\n          start: y + wrappedLines.length + countToInsert,\n          newLines\n        });\n        countToInsert += newLines.length;\n      }\n      wrappedLines.push(...newLines);\n\n      // Copy buffer data to new locations, this needs to happen backwards to do in-place\n      let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);\n      let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;\n      if (destCol === 0) {\n        destLineIndex--;\n        destCol = destLineLengths[destLineIndex];\n      }\n      let srcLineIndex = wrappedLines.length - linesToAdd - 1;\n      let srcCol = lastLineLength;\n      while (srcLineIndex >= 0) {\n        const cellsToCopy = Math.min(srcCol, destCol);\n        if (wrappedLines[destLineIndex] === undefined) {\n          // Sanity check that the line exists, this has been known to fail for an unknown reason\n          // which would stop the reflow from happening if an exception would throw.\n          break;\n        }\n        wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);\n        destCol -= cellsToCopy;\n        if (destCol === 0) {\n          destLineIndex--;\n          destCol = destLineLengths[destLineIndex];\n        }\n        srcCol -= cellsToCopy;\n        if (srcCol === 0) {\n          srcLineIndex--;\n          const wrappedLinesIndex = Math.max(srcLineIndex, 0);\n          srcCol = getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);\n        }\n      }\n\n      // Null out the end of the line ends if a wide character wrapped to the following line\n      for (let i = 0; i < wrappedLines.length; i++) {\n        if (destLineLengths[i] < newCols) {\n          wrappedLines[i].setCell(destLineLengths[i], nullCell);\n        }\n      }\n\n      // Adjust viewport as needed\n      let viewportAdjustments = linesToAdd - trimmedLines;\n      while (viewportAdjustments-- > 0) {\n        if (this.ybase === 0) {\n          if (this.y < newRows - 1) {\n            this.y++;\n            this.lines.pop();\n          } else {\n            this.ybase++;\n            this.ydisp++;\n          }\n        } else {\n          // Ensure ybase does not exceed its maximum value\n          if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {\n            if (this.ybase === this.ydisp) {\n              this.ydisp++;\n            }\n            this.ybase++;\n          }\n        }\n      }\n      this.savedY = Math.min(this.savedY + linesToAdd, this.ybase + newRows - 1);\n    }\n\n    // Rearrange lines in the buffer if there are any insertions, this is done at the end rather\n    // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many\n    // costly calls to CircularList.splice.\n    if (toInsert.length > 0) {\n      // Record buffer insert events and then play them back backwards so that the indexes are\n      // correct\n      const insertEvents: IInsertEvent[] = [];\n\n      // Record original lines so they don't get overridden when we rearrange the list\n      const originalLines: BufferLine[] = [];\n      for (let i = 0; i < this.lines.length; i++) {\n        originalLines.push(this.lines.get(i) as BufferLine);\n      }\n      const originalLinesLength = this.lines.length;\n\n      let originalLineIndex = originalLinesLength - 1;\n      let nextToInsertIndex = 0;\n      let nextToInsert = toInsert[nextToInsertIndex];\n      this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);\n      let countInsertedSoFar = 0;\n      for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {\n        if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {\n          // Insert extra lines here, adjusting i as needed\n          for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {\n            this.lines.set(i--, nextToInsert.newLines[nextI]);\n          }\n          i++;\n\n          // Create insert events for later\n          insertEvents.push({\n            index: originalLineIndex + 1,\n            amount: nextToInsert.newLines.length\n          });\n\n          countInsertedSoFar += nextToInsert.newLines.length;\n          nextToInsert = toInsert[++nextToInsertIndex];\n        } else {\n          this.lines.set(i, originalLines[originalLineIndex--]);\n        }\n      }\n\n      // Update markers\n      let insertCountEmitted = 0;\n      for (let i = insertEvents.length - 1; i >= 0; i--) {\n        insertEvents[i].index += insertCountEmitted;\n        this.lines.onInsertEmitter.fire(insertEvents[i]);\n        insertCountEmitted += insertEvents[i].amount;\n      }\n      const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);\n      if (amountToTrim > 0) {\n        this.lines.onTrimEmitter.fire(amountToTrim);\n      }\n    }\n  }\n\n  /**\n   * Translates a buffer line to a string, with optional start and end columns.\n   * Wide characters will count as two columns in the resulting string. This\n   * function is useful for getting the actual text underneath the raw selection\n   * position.\n   * @param lineIndex The absolute index of the line being translated.\n   * @param trimRight Whether to trim whitespace to the right.\n   * @param startCol The column to start at.\n   * @param endCol The column to end at.\n   */\n  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {\n    const line = this.lines.get(lineIndex);\n    if (!line) {\n      return '';\n    }\n    return line.translateToString(trimRight, startCol, endCol);\n  }\n\n  public getWrappedRangeForLine(y: number): { first: number, last: number } {\n    let first = y;\n    let last = y;\n    // Scan upwards for wrapped lines\n    while (first > 0 && this.lines.get(first)!.isWrapped) {\n      first--;\n    }\n    // Scan downwards for wrapped lines\n    while (last + 1 < this.lines.length && this.lines.get(last + 1)!.isWrapped) {\n      last++;\n    }\n    return { first, last };\n  }\n\n  /**\n   * Setup the tab stops.\n   * @param i The index to start setting up tab stops from.\n   */\n  public setupTabStops(i?: number): void {\n    if (i !== null && i !== undefined) {\n      if (!this.tabs[i]) {\n        i = this.prevStop(i);\n      }\n    } else {\n      this.tabs = {};\n      i = 0;\n    }\n\n    for (; i < this._cols; i += this._optionsService.rawOptions.tabStopWidth) {\n      this.tabs[i] = true;\n    }\n  }\n\n  /**\n   * Move the cursor to the previous tab stop from the given position (default is current).\n   * @param x The position to move the cursor to the previous tab stop.\n   */\n  public prevStop(x?: number): number {\n    if (x === null || x === undefined) {\n      x = this.x;\n    }\n    while (!this.tabs[--x] && x > 0);\n    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n  }\n\n  /**\n   * Move the cursor one tab stop forward from the given position (default is current).\n   * @param x The position to move the cursor one tab stop forward.\n   */\n  public nextStop(x?: number): number {\n    if (x === null || x === undefined) {\n      x = this.x;\n    }\n    while (!this.tabs[++x] && x < this._cols);\n    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n  }\n\n  /**\n   * Clears markers on single line.\n   * @param y The line to clear.\n   */\n  public clearMarkers(y: number): void {\n    this._isClearing = true;\n    for (let i = 0; i < this.markers.length; i++) {\n      if (this.markers[i].line === y) {\n        this.markers[i].dispose();\n        this.markers.splice(i--, 1);\n      }\n    }\n    this._isClearing = false;\n  }\n\n  /**\n   * Clears markers on all lines\n   */\n  public clearAllMarkers(): void {\n    this._isClearing = true;\n    for (let i = 0; i < this.markers.length; i++) {\n      this.markers[i].dispose();\n      this.markers.splice(i--, 1);\n    }\n    this._isClearing = false;\n  }\n\n  public addMarker(y: number): Marker {\n    const marker = new Marker(y);\n    this.markers.push(marker);\n    marker.register(this.lines.onTrim(amount => {\n      marker.line -= amount;\n      // The marker should be disposed when the line is trimmed from the buffer\n      if (marker.line < 0) {\n        marker.dispose();\n      }\n    }));\n    marker.register(this.lines.onInsert(event => {\n      if (marker.line >= event.index) {\n        marker.line += event.amount;\n      }\n    }));\n    marker.register(this.lines.onDelete(event => {\n      // Delete the marker if it's within the range\n      if (marker.line >= event.index && marker.line < event.index + event.amount) {\n        marker.dispose();\n      }\n\n      // Shift the marker if it's after the deleted range\n      if (marker.line > event.index) {\n        marker.line -= event.amount;\n      }\n    }));\n    marker.register(marker.onDispose(() => this._removeMarker(marker)));\n    return marker;\n  }\n\n  private _removeMarker(marker: Marker): void {\n    if (!this._isClearing) {\n      this.markers.splice(this.markers.indexOf(marker), 1);\n    }\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CharData, IAttributeData, IBufferLine, ICellData, IExtendedAttrs } from 'common/Types';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { CellData } from 'common/buffer/CellData';\nimport { Attributes, BgFlags, CHAR_DATA_ATTR_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, Content, NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR } from 'common/buffer/Constants';\nimport { stringFromCodePoint } from 'common/input/TextDecoder';\n\n/**\n * buffer memory layout:\n *\n *   |             uint32_t             |        uint32_t         |        uint32_t         |\n *   |             `content`            |          `FG`           |          `BG`           |\n *   | wcwidth(2) comb(1) codepoint(21) | flags(8) R(8) G(8) B(8) | flags(8) R(8) G(8) B(8) |\n */\n\n\n/** typed array slots taken by one cell */\nconst CELL_SIZE = 3;\n\n/**\n * Cell member indices.\n *\n * Direct access:\n *    `content = data[column * CELL_SIZE + Cell.CONTENT];`\n *    `fg = data[column * CELL_SIZE + Cell.FG];`\n *    `bg = data[column * CELL_SIZE + Cell.BG];`\n */\nconst enum Cell {\n  CONTENT = 0,\n  FG = 1, // currently simply holds all known attrs\n  BG = 2  // currently unused\n}\n\nexport const DEFAULT_ATTR_DATA = Object.freeze(new AttributeData());\n\n// Work variables to avoid garbage collection\nlet $startIndex = 0;\n\n/** Factor when to cleanup underlying array buffer after shrinking. */\nconst CLEANUP_THRESHOLD = 2;\n\n/**\n * Typed array based bufferline implementation.\n *\n * There are 2 ways to insert data into the cell buffer:\n * - `setCellFromCodepoint` + `addCodepointToCell`\n *   Use these for data that is already UTF32.\n *   Used during normal input in `InputHandler` for faster buffer access.\n * - `setCell`\n *   This method takes a CellData object and stores the data in the buffer.\n *   Use `CellData.fromCharData` to create the CellData object (e.g. from JS string).\n *\n * To retrieve data from the buffer use either one of the primitive methods\n * (if only one particular value is needed) or `loadCell`. For `loadCell` in a loop\n * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.\n */\nexport class BufferLine implements IBufferLine {\n  protected _data: Uint32Array;\n  protected _combined: {[index: number]: string} = {};\n  protected _extendedAttrs: {[index: number]: IExtendedAttrs | undefined} = {};\n  public length: number;\n\n  constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {\n    this._data = new Uint32Array(cols * CELL_SIZE);\n    const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n    for (let i = 0; i < cols; ++i) {\n      this.setCell(i, cell);\n    }\n    this.length = cols;\n  }\n\n  /**\n   * Get cell data CharData.\n   * @deprecated\n   */\n  public get(index: number): CharData {\n    const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    const cp = content & Content.CODEPOINT_MASK;\n    return [\n      this._data[index * CELL_SIZE + Cell.FG],\n      (content & Content.IS_COMBINED_MASK)\n        ? this._combined[index]\n        : (cp) ? stringFromCodePoint(cp) : '',\n      content >> Content.WIDTH_SHIFT,\n      (content & Content.IS_COMBINED_MASK)\n        ? this._combined[index].charCodeAt(this._combined[index].length - 1)\n        : cp\n    ];\n  }\n\n  /**\n   * Set cell data from CharData.\n   * @deprecated\n   */\n  public set(index: number, value: CharData): void {\n    this._data[index * CELL_SIZE + Cell.FG] = value[CHAR_DATA_ATTR_INDEX];\n    if (value[CHAR_DATA_CHAR_INDEX].length > 1) {\n      this._combined[index] = value[1];\n      this._data[index * CELL_SIZE + Cell.CONTENT] = index | Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    } else {\n      this._data[index * CELL_SIZE + Cell.CONTENT] = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    }\n  }\n\n  /**\n   * primitive getters\n   * use these when only one value is needed, otherwise use `loadCell`\n   */\n  public getWidth(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT;\n  }\n\n  /** Test whether content has width. */\n  public hasWidth(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.WIDTH_MASK;\n  }\n\n  /** Get FG cell component. */\n  public getFg(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.FG];\n  }\n\n  /** Get BG cell component. */\n  public getBg(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.BG];\n  }\n\n  /**\n   * Test whether contains any chars.\n   * Basically an empty has no content, but other cells might differ in FG/BG\n   * from real empty cells.\n   */\n  public hasContent(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK;\n  }\n\n  /**\n   * Get codepoint of the cell.\n   * To be in line with `code` in CharData this either returns\n   * a single UTF32 codepoint or the last codepoint of a combined string.\n   */\n  public getCodePoint(index: number): number {\n    const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    if (content & Content.IS_COMBINED_MASK) {\n      return this._combined[index].charCodeAt(this._combined[index].length - 1);\n    }\n    return content & Content.CODEPOINT_MASK;\n  }\n\n  /** Test whether the cell contains a combined string. */\n  public isCombined(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.IS_COMBINED_MASK;\n  }\n\n  /** Returns the string content of the cell. */\n  public getString(index: number): string {\n    const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    if (content & Content.IS_COMBINED_MASK) {\n      return this._combined[index];\n    }\n    if (content & Content.CODEPOINT_MASK) {\n      return stringFromCodePoint(content & Content.CODEPOINT_MASK);\n    }\n    // return empty string for empty cells\n    return '';\n  }\n\n  /** Get state of protected flag. */\n  public isProtected(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.BG] & BgFlags.PROTECTED;\n  }\n\n  /**\n   * Load data at `index` into `cell`. This is used to access cells in a way that's more friendly\n   * to GC as it significantly reduced the amount of new objects/references needed.\n   */\n  public loadCell(index: number, cell: ICellData): ICellData {\n    $startIndex = index * CELL_SIZE;\n    cell.content = this._data[$startIndex + Cell.CONTENT];\n    cell.fg = this._data[$startIndex + Cell.FG];\n    cell.bg = this._data[$startIndex + Cell.BG];\n    if (cell.content & Content.IS_COMBINED_MASK) {\n      cell.combinedData = this._combined[index];\n    }\n    if (cell.bg & BgFlags.HAS_EXTENDED) {\n      cell.extended = this._extendedAttrs[index]!;\n    }\n    return cell;\n  }\n\n  /**\n   * Set data at `index` to `cell`.\n   */\n  public setCell(index: number, cell: ICellData): void {\n    if (cell.content & Content.IS_COMBINED_MASK) {\n      this._combined[index] = cell.combinedData;\n    }\n    if (cell.bg & BgFlags.HAS_EXTENDED) {\n      this._extendedAttrs[index] = cell.extended;\n    }\n    this._data[index * CELL_SIZE + Cell.CONTENT] = cell.content;\n    this._data[index * CELL_SIZE + Cell.FG] = cell.fg;\n    this._data[index * CELL_SIZE + Cell.BG] = cell.bg;\n  }\n\n  /**\n   * Set cell data from input handler.\n   * Since the input handler see the incoming chars as UTF32 codepoints,\n   * it gets an optimized access method.\n   */\n  public setCellFromCodepoint(index: number, codePoint: number, width: number, attrs: IAttributeData): void {\n    if (attrs.bg & BgFlags.HAS_EXTENDED) {\n      this._extendedAttrs[index] = attrs.extended;\n    }\n    this._data[index * CELL_SIZE + Cell.CONTENT] = codePoint | (width << Content.WIDTH_SHIFT);\n    this._data[index * CELL_SIZE + Cell.FG] = attrs.fg;\n    this._data[index * CELL_SIZE + Cell.BG] = attrs.bg;\n  }\n\n  /**\n   * Add a codepoint to a cell from input handler.\n   * During input stage combining chars with a width of 0 follow and stack\n   * onto a leading char. Since we already set the attrs\n   * by the previous `setDataFromCodePoint` call, we can omit it here.\n   */\n  public addCodepointToCell(index: number, codePoint: number, width: number): void {\n    let content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    if (content & Content.IS_COMBINED_MASK) {\n      // we already have a combined string, simply add\n      this._combined[index] += stringFromCodePoint(codePoint);\n    } else {\n      if (content & Content.CODEPOINT_MASK) {\n        // normal case for combining chars:\n        //  - move current leading char + new one into combined string\n        //  - set combined flag\n        this._combined[index] = stringFromCodePoint(content & Content.CODEPOINT_MASK) + stringFromCodePoint(codePoint);\n        content &= ~Content.CODEPOINT_MASK; // set codepoint in buffer to 0\n        content |= Content.IS_COMBINED_MASK;\n      } else {\n        // should not happen - we actually have no data in the cell yet\n        // simply set the data in the cell buffer with a width of 1\n        content = codePoint | (1 << Content.WIDTH_SHIFT);\n      }\n    }\n    if (width) {\n      content &= ~Content.WIDTH_MASK;\n      content |= width << Content.WIDTH_SHIFT;\n    }\n    this._data[index * CELL_SIZE + Cell.CONTENT] = content;\n  }\n\n  public insertCells(pos: number, n: number, fillCellData: ICellData): void {\n    pos %= this.length;\n\n    // handle fullwidth at pos: reset cell one to the left if pos is second cell of a wide char\n    if (pos && this.getWidth(pos - 1) === 2) {\n      this.setCellFromCodepoint(pos - 1, 0, 1, fillCellData);\n    }\n\n    if (n < this.length - pos) {\n      const cell = new CellData();\n      for (let i = this.length - pos - n - 1; i >= 0; --i) {\n        this.setCell(pos + n + i, this.loadCell(pos + i, cell));\n      }\n      for (let i = 0; i < n; ++i) {\n        this.setCell(pos + i, fillCellData);\n      }\n    } else {\n      for (let i = pos; i < this.length; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    }\n\n    // handle fullwidth at line end: reset last cell if it is first cell of a wide char\n    if (this.getWidth(this.length - 1) === 2) {\n      this.setCellFromCodepoint(this.length - 1, 0, 1, fillCellData);\n    }\n  }\n\n  public deleteCells(pos: number, n: number, fillCellData: ICellData): void {\n    pos %= this.length;\n    if (n < this.length - pos) {\n      const cell = new CellData();\n      for (let i = 0; i < this.length - pos - n; ++i) {\n        this.setCell(pos + i, this.loadCell(pos + n + i, cell));\n      }\n      for (let i = this.length - n; i < this.length; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    } else {\n      for (let i = pos; i < this.length; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    }\n\n    // handle fullwidth at pos:\n    // - reset pos-1 if wide char\n    // - reset pos if width==0 (previous second cell of a wide char)\n    if (pos && this.getWidth(pos - 1) === 2) {\n      this.setCellFromCodepoint(pos - 1, 0, 1, fillCellData);\n    }\n    if (this.getWidth(pos) === 0 && !this.hasContent(pos)) {\n      this.setCellFromCodepoint(pos, 0, 1, fillCellData);\n    }\n  }\n\n  public replaceCells(start: number, end: number, fillCellData: ICellData, respectProtect: boolean = false): void {\n    // full branching on respectProtect==true, hopefully getting fast JIT for standard case\n    if (respectProtect) {\n      if (start && this.getWidth(start - 1) === 2 && !this.isProtected(start - 1)) {\n        this.setCellFromCodepoint(start - 1, 0, 1, fillCellData);\n      }\n      if (end < this.length && this.getWidth(end - 1) === 2 && !this.isProtected(end)) {\n        this.setCellFromCodepoint(end, 0, 1, fillCellData);\n      }\n      while (start < end  && start < this.length) {\n        if (!this.isProtected(start)) {\n          this.setCell(start, fillCellData);\n        }\n        start++;\n      }\n      return;\n    }\n\n    // handle fullwidth at start: reset cell one to the left if start is second cell of a wide char\n    if (start && this.getWidth(start - 1) === 2) {\n      this.setCellFromCodepoint(start - 1, 0, 1, fillCellData);\n    }\n    // handle fullwidth at last cell + 1: reset to empty cell if it is second part of a wide char\n    if (end < this.length && this.getWidth(end - 1) === 2) {\n      this.setCellFromCodepoint(end, 0, 1, fillCellData);\n    }\n\n    while (start < end  && start < this.length) {\n      this.setCell(start++, fillCellData);\n    }\n  }\n\n  /**\n   * Resize BufferLine to `cols` filling excess cells with `fillCellData`.\n   * The underlying array buffer will not change if there is still enough space\n   * to hold the new buffer line data.\n   * Returns a boolean indicating, whether a `cleanupMemory` call would free\n   * excess memory (true after shrinking > CLEANUP_THRESHOLD).\n   */\n  public resize(cols: number, fillCellData: ICellData): boolean {\n    if (cols === this.length) {\n      return this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;\n    }\n    const uint32Cells = cols * CELL_SIZE;\n    if (cols > this.length) {\n      if (this._data.buffer.byteLength >= uint32Cells * 4) {\n        // optimization: avoid alloc and data copy if buffer has enough room\n        this._data = new Uint32Array(this._data.buffer, 0, uint32Cells);\n      } else {\n        // slow path: new alloc and full data copy\n        const data = new Uint32Array(uint32Cells);\n        data.set(this._data);\n        this._data = data;\n      }\n      for (let i = this.length; i < cols; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    } else {\n      // optimization: just shrink the view on existing buffer\n      this._data = this._data.subarray(0, uint32Cells);\n      // Remove any cut off combined data\n      const keys = Object.keys(this._combined);\n      for (let i = 0; i < keys.length; i++) {\n        const key = parseInt(keys[i], 10);\n        if (key >= cols) {\n          delete this._combined[key];\n        }\n      }\n      // remove any cut off extended attributes\n      const extKeys = Object.keys(this._extendedAttrs);\n      for (let i = 0; i < extKeys.length; i++) {\n        const key = parseInt(extKeys[i], 10);\n        if (key >= cols) {\n          delete this._extendedAttrs[key];\n        }\n      }\n    }\n    this.length = cols;\n    return uint32Cells * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;\n  }\n\n  /**\n   * Cleanup underlying array buffer.\n   * A cleanup will be triggered if the array buffer exceeds the actual used\n   * memory by a factor of CLEANUP_THRESHOLD.\n   * Returns 0 or 1 indicating whether a cleanup happened.\n   */\n  public cleanupMemory(): number {\n    if (this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength) {\n      const data = new Uint32Array(this._data.length);\n      data.set(this._data);\n      this._data = data;\n      return 1;\n    }\n    return 0;\n  }\n\n  /** fill a line with fillCharData */\n  public fill(fillCellData: ICellData, respectProtect: boolean = false): void {\n    // full branching on respectProtect==true, hopefully getting fast JIT for standard case\n    if (respectProtect) {\n      for (let i = 0; i < this.length; ++i) {\n        if (!this.isProtected(i)) {\n          this.setCell(i, fillCellData);\n        }\n      }\n      return;\n    }\n    this._combined = {};\n    this._extendedAttrs = {};\n    for (let i = 0; i < this.length; ++i) {\n      this.setCell(i, fillCellData);\n    }\n  }\n\n  /** alter to a full copy of line  */\n  public copyFrom(line: BufferLine): void {\n    if (this.length !== line.length) {\n      this._data = new Uint32Array(line._data);\n    } else {\n      // use high speed copy if lengths are equal\n      this._data.set(line._data);\n    }\n    this.length = line.length;\n    this._combined = {};\n    for (const el in line._combined) {\n      this._combined[el] = line._combined[el];\n    }\n    this._extendedAttrs = {};\n    for (const el in line._extendedAttrs) {\n      this._extendedAttrs[el] = line._extendedAttrs[el];\n    }\n    this.isWrapped = line.isWrapped;\n  }\n\n  /** create a new clone */\n  public clone(): IBufferLine {\n    const newLine = new BufferLine(0);\n    newLine._data = new Uint32Array(this._data);\n    newLine.length = this.length;\n    for (const el in this._combined) {\n      newLine._combined[el] = this._combined[el];\n    }\n    for (const el in this._extendedAttrs) {\n      newLine._extendedAttrs[el] = this._extendedAttrs[el];\n    }\n    newLine.isWrapped = this.isWrapped;\n    return newLine;\n  }\n\n  public getTrimmedLength(): number {\n    for (let i = this.length - 1; i >= 0; --i) {\n      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK)) {\n        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);\n      }\n    }\n    return 0;\n  }\n\n  public getNoBgTrimmedLength(): number {\n    for (let i = this.length - 1; i >= 0; --i) {\n      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK) || (this._data[i * CELL_SIZE + Cell.BG] & Attributes.CM_MASK)) {\n        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);\n      }\n    }\n    return 0;\n  }\n\n  public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {\n    const srcData = src._data;\n    if (applyInReverse) {\n      for (let cell = length - 1; cell >= 0; cell--) {\n        for (let i = 0; i < CELL_SIZE; i++) {\n          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n        }\n        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {\n          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];\n        }\n      }\n    } else {\n      for (let cell = 0; cell < length; cell++) {\n        for (let i = 0; i < CELL_SIZE; i++) {\n          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n        }\n        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {\n          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];\n        }\n      }\n    }\n\n    // Move any combined data over as needed, FIXME: repeat for extended attrs\n    const srcCombinedKeys = Object.keys(src._combined);\n    for (let i = 0; i < srcCombinedKeys.length; i++) {\n      const key = parseInt(srcCombinedKeys[i], 10);\n      if (key >= srcCol) {\n        this._combined[key - srcCol + destCol] = src._combined[key];\n      }\n    }\n  }\n\n  /**\n   * Translates the buffer line to a string.\n   *\n   * @param trimRight Whether to trim any empty cells on the right.\n   * @param startCol The column to start the string (0-based inclusive).\n   * @param endCol The column to end the string (0-based exclusive).\n   * @param outColumns if specified, this array will be filled with column numbers such that\n   * `returnedString[i]` is displayed at `outColumns[i]` column. `outColumns[returnedString.length]`\n   * is where the character following `returnedString` will be displayed.\n   *\n   * When a single cell is translated to multiple UTF-16 code units (e.g. surrogate pair) in the\n   * returned string, the corresponding entries in `outColumns` will have the same column number.\n   */\n  public translateToString(trimRight?: boolean, startCol?: number, endCol?: number, outColumns?: number[]): string {\n    startCol = startCol ?? 0;\n    endCol = endCol ?? this.length;\n    if (trimRight) {\n      endCol = Math.min(endCol, this.getTrimmedLength());\n    }\n    if (outColumns) {\n      outColumns.length = 0;\n    }\n    let result = '';\n    while (startCol < endCol) {\n      const content = this._data[startCol * CELL_SIZE + Cell.CONTENT];\n      const cp = content & Content.CODEPOINT_MASK;\n      const chars = (content & Content.IS_COMBINED_MASK) ? this._combined[startCol] : (cp) ? stringFromCodePoint(cp) : WHITESPACE_CELL_CHAR;\n      result += chars;\n      if (outColumns) {\n        for (let i = 0; i < chars.length; ++i) {\n          outColumns.push(startCol);\n        }\n      }\n      startCol += (content >> Content.WIDTH_SHIFT) || 1; // always advance by at least 1\n    }\n    if (outColumns) {\n      outColumns.push(startCol);\n    }\n    return result;\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferRange } from '@xterm/xterm';\n\nexport function getRangeLength(range: IBufferRange, bufferCols: number): number {\n  if (range.start.y > range.end.y) {\n    throw new Error(`Buffer range end (${range.end.x}, ${range.end.y}) cannot be before start (${range.start.x}, ${range.start.y})`);\n  }\n  return bufferCols * (range.end.y - range.start.y) + (range.end.x - range.start.x + 1);\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { BufferLine } from 'common/buffer/BufferLine';\nimport { CircularList } from 'common/CircularList';\nimport { IBufferLine, ICellData } from 'common/Types';\n\nexport interface INewLayoutResult {\n  layout: number[];\n  countRemoved: number;\n}\n\n/**\n * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed\n * when a wrapped line unwraps.\n * @param lines The buffer lines.\n * @param oldCols The columns before resize\n * @param newCols The columns after resize.\n * @param bufferAbsoluteY The absolute y position of the cursor (baseY + cursorY).\n * @param nullCell The cell data to use when filling in empty cells.\n */\nexport function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, oldCols: number, newCols: number, bufferAbsoluteY: number, nullCell: ICellData): number[] {\n  // Gather all BufferLines that need to be removed from the Buffer here so that they can be\n  // batched up and only committed once\n  const toRemove: number[] = [];\n\n  for (let y = 0; y < lines.length - 1; y++) {\n    // Check if this row is wrapped\n    let i = y;\n    let nextLine = lines.get(++i) as BufferLine;\n    if (!nextLine.isWrapped) {\n      continue;\n    }\n\n    // Check how many lines it's wrapped for\n    const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];\n    while (i < lines.length && nextLine.isWrapped) {\n      wrappedLines.push(nextLine);\n      nextLine = lines.get(++i) as BufferLine;\n    }\n\n    // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped\n    // lines with the cursor\n    if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {\n      y += wrappedLines.length - 1;\n      continue;\n    }\n\n    // Copy buffer data to new locations\n    let destLineIndex = 0;\n    let destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);\n    let srcLineIndex = 1;\n    let srcCol = 0;\n    while (srcLineIndex < wrappedLines.length) {\n      const srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);\n      const srcRemainingCells = srcTrimmedTineLength - srcCol;\n      const destRemainingCells = newCols - destCol;\n      const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);\n\n      wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);\n\n      destCol += cellsToCopy;\n      if (destCol === newCols) {\n        destLineIndex++;\n        destCol = 0;\n      }\n      srcCol += cellsToCopy;\n      if (srcCol === srcTrimmedTineLength) {\n        srcLineIndex++;\n        srcCol = 0;\n      }\n\n      // Make sure the last cell isn't wide, if it is copy it to the current dest\n      if (destCol === 0 && destLineIndex !== 0) {\n        if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {\n          wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);\n          // Null out the end of the last row\n          wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);\n        }\n      }\n    }\n\n    // Clear out remaining cells or fragments could remain;\n    wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);\n\n    // Work backwards and remove any rows at the end that only contain null cells\n    let countToRemove = 0;\n    for (let i = wrappedLines.length - 1; i > 0; i--) {\n      if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {\n        countToRemove++;\n      } else {\n        break;\n      }\n    }\n\n    if (countToRemove > 0) {\n      toRemove.push(y + wrappedLines.length - countToRemove); // index\n      toRemove.push(countToRemove);\n    }\n\n    y += wrappedLines.length - 1;\n  }\n  return toRemove;\n}\n\n/**\n * Creates and return the new layout for lines given an array of indexes to be removed.\n * @param lines The buffer lines.\n * @param toRemove The indexes to remove.\n */\nexport function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {\n  const layout: number[] = [];\n  // First iterate through the list and get the actual indexes to use for rows\n  let nextToRemoveIndex = 0;\n  let nextToRemoveStart = toRemove[nextToRemoveIndex];\n  let countRemovedSoFar = 0;\n  for (let i = 0; i < lines.length; i++) {\n    if (nextToRemoveStart === i) {\n      const countToRemove = toRemove[++nextToRemoveIndex];\n\n      // Tell markers that there was a deletion\n      lines.onDeleteEmitter.fire({\n        index: i - countRemovedSoFar,\n        amount: countToRemove\n      });\n\n      i += countToRemove - 1;\n      countRemovedSoFar += countToRemove;\n      nextToRemoveStart = toRemove[++nextToRemoveIndex];\n    } else {\n      layout.push(i);\n    }\n  }\n  return {\n    layout,\n    countRemoved: countRemovedSoFar\n  };\n}\n\n/**\n * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's\n * done all at once in a single iteration through the list since splice is very expensive.\n * @param lines The buffer lines.\n * @param newLayout The new layout to apply.\n */\nexport function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {\n  // Record original lines so they don't get overridden when we rearrange the list\n  const newLayoutLines: BufferLine[] = [];\n  for (let i = 0; i < newLayout.length; i++) {\n    newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);\n  }\n\n  // Rearrange the list\n  for (let i = 0; i < newLayoutLines.length; i++) {\n    lines.set(i, newLayoutLines[i]);\n  }\n  lines.length = newLayout.length;\n}\n\n/**\n * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-\n * compute the wrapping points since wide characters may need to be wrapped onto the following line.\n * This function will return an array of numbers of where each line wraps to, the resulting array\n * will only contain the values `newCols` (when the line does not end with a wide character) and\n * `newCols - 1` (when the line does end with a wide character), except for the last value which\n * will contain the remaining items to fill the line.\n *\n * Calling this with a `newCols` value of `1` will lock up.\n *\n * @param wrappedLines The wrapped lines to evaluate.\n * @param oldCols The columns before resize.\n * @param newCols The columns after resize.\n */\nexport function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {\n  const newLineLengths: number[] = [];\n  const cellsNeeded = wrappedLines.map((l, i) => getWrappedLineTrimmedLength(wrappedLines, i, oldCols)).reduce((p, c) => p + c);\n\n  // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and\n  // linesNeeded\n  let srcCol = 0;\n  let srcLine = 0;\n  let cellsAvailable = 0;\n  while (cellsAvailable < cellsNeeded) {\n    if (cellsNeeded - cellsAvailable < newCols) {\n      // Add the final line and exit the loop\n      newLineLengths.push(cellsNeeded - cellsAvailable);\n      break;\n    }\n    srcCol += newCols;\n    const oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);\n    if (srcCol > oldTrimmedLength) {\n      srcCol -= oldTrimmedLength;\n      srcLine++;\n    }\n    const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;\n    if (endsWithWide) {\n      srcCol--;\n    }\n    const lineLength = endsWithWide ? newCols - 1 : newCols;\n    newLineLengths.push(lineLength);\n    cellsAvailable += lineLength;\n  }\n\n  return newLineLengths;\n}\n\nexport function getWrappedLineTrimmedLength(lines: BufferLine[], i: number, cols: number): number {\n  // If this is the last row in the wrapped line, get the actual trimmed length\n  if (i === lines.length - 1) {\n    return lines[i].getTrimmedLength();\n  }\n  // Detect whether the following line starts with a wide character and the end of the current line\n  // is null, if so then we can be pretty sure the null character should be excluded from the line\n  // length]\n  const endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;\n  const followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;\n  if (endsInNull && followingLineStartsWithWide) {\n    return cols - 1;\n  }\n  return cols;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IAttributeData } from 'common/Types';\nimport { Buffer } from 'common/buffer/Buffer';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet extends Disposable implements IBufferSet {\n  private _normal!: Buffer;\n  private _alt!: Buffer;\n  private _activeBuffer!: Buffer;\n\n  private readonly _onBufferActivate = this.register(new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>());\n  public readonly onBufferActivate = this._onBufferActivate.event;\n\n  /**\n   * Create a new BufferSet for the given terminal.\n   */\n  constructor(\n    private readonly _optionsService: IOptionsService,\n    private readonly _bufferService: IBufferService\n  ) {\n    super();\n    this.reset();\n    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.resize(this._bufferService.cols, this._bufferService.rows)));\n    this.register(this._optionsService.onSpecificOptionChange('tabStopWidth', () => this.setupTabStops()));\n  }\n\n  public reset(): void {\n    this._normal = new Buffer(true, this._optionsService, this._bufferService);\n    this._normal.fillViewportRows();\n\n    // The alt buffer should never have scrollback.\n    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer\n    this._alt = new Buffer(false, this._optionsService, this._bufferService);\n    this._activeBuffer = this._normal;\n    this._onBufferActivate.fire({\n      activeBuffer: this._normal,\n      inactiveBuffer: this._alt\n    });\n\n    this.setupTabStops();\n  }\n\n  /**\n   * Returns the alt Buffer of the BufferSet\n   */\n  public get alt(): Buffer {\n    return this._alt;\n  }\n\n  /**\n   * Returns the currently active Buffer of the BufferSet\n   */\n  public get active(): Buffer {\n    return this._activeBuffer;\n  }\n\n  /**\n   * Returns the normal Buffer of the BufferSet\n   */\n  public get normal(): Buffer {\n    return this._normal;\n  }\n\n  /**\n   * Sets the normal Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateNormalBuffer(): void {\n    if (this._activeBuffer === this._normal) {\n      return;\n    }\n    this._normal.x = this._alt.x;\n    this._normal.y = this._alt.y;\n    // The alt buffer should always be cleared when we switch to the normal\n    // buffer. This frees up memory since the alt buffer should always be new\n    // when activated.\n    this._alt.clearAllMarkers();\n    this._alt.clear();\n    this._activeBuffer = this._normal;\n    this._onBufferActivate.fire({\n      activeBuffer: this._normal,\n      inactiveBuffer: this._alt\n    });\n  }\n\n  /**\n   * Sets the alt Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateAltBuffer(fillAttr?: IAttributeData): void {\n    if (this._activeBuffer === this._alt) {\n      return;\n    }\n    // Since the alt buffer is always cleared when the normal buffer is\n    // activated, we want to fill it when switching to it.\n    this._alt.fillViewportRows(fillAttr);\n    this._alt.x = this._normal.x;\n    this._alt.y = this._normal.y;\n    this._activeBuffer = this._alt;\n    this._onBufferActivate.fire({\n      activeBuffer: this._alt,\n      inactiveBuffer: this._normal\n    });\n  }\n\n  /**\n   * Resizes both normal and alt buffers, adjusting their data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    this._normal.resize(newCols, newRows);\n    this._alt.resize(newCols, newRows);\n    this.setupTabStops(newCols);\n  }\n\n  /**\n   * Setup the tab stops.\n   * @param i The index to start setting up tab stops from.\n   */\n  public setupTabStops(i?: number): void {\n    this._normal.setupTabStops(i);\n    this._alt.setupTabStops(i);\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CharData, ICellData, IExtendedAttrs } from 'common/Types';\nimport { stringFromCodePoint } from 'common/input/TextDecoder';\nimport { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_ATTR_INDEX, Content } from 'common/buffer/Constants';\nimport { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';\n\n/**\n * CellData - represents a single Cell in the terminal buffer.\n */\nexport class CellData extends AttributeData implements ICellData {\n  /** Helper to create CellData from CharData. */\n  public static fromCharData(value: CharData): CellData {\n    const obj = new CellData();\n    obj.setFromCharData(value);\n    return obj;\n  }\n  /** Primitives from terminal buffer. */\n  public content = 0;\n  public fg = 0;\n  public bg = 0;\n  public extended: IExtendedAttrs = new ExtendedAttrs();\n  public combinedData = '';\n  /** Whether cell contains a combined string. */\n  public isCombined(): number {\n    return this.content & Content.IS_COMBINED_MASK;\n  }\n  /** Width of the cell. */\n  public getWidth(): number {\n    return this.content >> Content.WIDTH_SHIFT;\n  }\n  /** JS string of the content. */\n  public getChars(): string {\n    if (this.content & Content.IS_COMBINED_MASK) {\n      return this.combinedData;\n    }\n    if (this.content & Content.CODEPOINT_MASK) {\n      return stringFromCodePoint(this.content & Content.CODEPOINT_MASK);\n    }\n    return '';\n  }\n  /**\n   * Codepoint of cell\n   * Note this returns the UTF32 codepoint of single chars,\n   * if content is a combined string it returns the codepoint\n   * of the last char in string to be in line with code in CharData.\n   */\n  public getCode(): number {\n    return (this.isCombined())\n      ? this.combinedData.charCodeAt(this.combinedData.length - 1)\n      : this.content & Content.CODEPOINT_MASK;\n  }\n  /** Set data from CharData */\n  public setFromCharData(value: CharData): void {\n    this.fg = value[CHAR_DATA_ATTR_INDEX];\n    this.bg = 0;\n    let combined = false;\n    // surrogates and combined strings need special treatment\n    if (value[CHAR_DATA_CHAR_INDEX].length > 2) {\n      combined = true;\n    }\n    else if (value[CHAR_DATA_CHAR_INDEX].length === 2) {\n      const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0);\n      // if the 2-char string is a surrogate create single codepoint\n      // everything else is combined\n      if (0xD800 <= code && code <= 0xDBFF) {\n        const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1);\n        if (0xDC00 <= second && second <= 0xDFFF) {\n          this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n        }\n        else {\n          combined = true;\n        }\n      }\n      else {\n        combined = true;\n      }\n    }\n    else {\n      this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    }\n    if (combined) {\n      this.combinedData = value[CHAR_DATA_CHAR_INDEX];\n      this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    }\n  }\n  /** Get data as CharData. */\n  public getAsCharData(): CharData {\n    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport const DEFAULT_COLOR = 0;\nexport const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);\nexport const DEFAULT_EXT = 0;\n\nexport const CHAR_DATA_ATTR_INDEX = 0;\nexport const CHAR_DATA_CHAR_INDEX = 1;\nexport const CHAR_DATA_WIDTH_INDEX = 2;\nexport const CHAR_DATA_CODE_INDEX = 3;\n\n/**\n * Null cell - a real empty cell (containing nothing).\n * Note that code should always be 0 for a null cell as\n * several test condition of the buffer line rely on this.\n */\nexport const NULL_CELL_CHAR = '';\nexport const NULL_CELL_WIDTH = 1;\nexport const NULL_CELL_CODE = 0;\n\n/**\n * Whitespace cell.\n * This is meant as a replacement for empty cells when needed\n * during rendering lines to preserve correct aligment.\n */\nexport const WHITESPACE_CELL_CHAR = ' ';\nexport const WHITESPACE_CELL_WIDTH = 1;\nexport const WHITESPACE_CELL_CODE = 32;\n\n/**\n * Bitmasks for accessing data in `content`.\n */\nexport const enum Content {\n  /**\n   * bit 1..21    codepoint, max allowed in UTF32 is 0x10FFFF (21 bits taken)\n   *              read:   `codepoint = content & Content.codepointMask;`\n   *              write:  `content |= codepoint & Content.codepointMask;`\n   *                      shortcut if precondition `codepoint <= 0x10FFFF` is met:\n   *                      `content |= codepoint;`\n   */\n  CODEPOINT_MASK = 0x1FFFFF,\n\n  /**\n   * bit 22       flag indication whether a cell contains combined content\n   *              read:   `isCombined = content & Content.isCombined;`\n   *              set:    `content |= Content.isCombined;`\n   *              clear:  `content &= ~Content.isCombined;`\n   */\n  IS_COMBINED_MASK = 0x200000,  // 1 << 21\n\n  /**\n   * bit 1..22    mask to check whether a cell contains any string data\n   *              we need to check for codepoint and isCombined bits to see\n   *              whether a cell contains anything\n   *              read:   `isEmpty = !(content & Content.hasContent)`\n   */\n  HAS_CONTENT_MASK = 0x3FFFFF,\n\n  /**\n   * bit 23..24   wcwidth value of cell, takes 2 bits (ranges from 0..2)\n   *              read:   `width = (content & Content.widthMask) >> Content.widthShift;`\n   *                      `hasWidth = content & Content.widthMask;`\n   *                      as long as wcwidth is highest value in `content`:\n   *                      `width = content >> Content.widthShift;`\n   *              write:  `content |= (width << Content.widthShift) & Content.widthMask;`\n   *                      shortcut if precondition `0 <= width <= 3` is met:\n   *                      `content |= width << Content.widthShift;`\n   */\n  WIDTH_MASK = 0xC00000,   // 3 << 22\n  WIDTH_SHIFT = 22\n}\n\nexport const enum Attributes {\n  /**\n   * bit 1..8     blue in RGB, color in P256 and P16\n   */\n  BLUE_MASK = 0xFF,\n  BLUE_SHIFT = 0,\n  PCOLOR_MASK = 0xFF,\n  PCOLOR_SHIFT = 0,\n\n  /**\n   * bit 9..16    green in RGB\n   */\n  GREEN_MASK = 0xFF00,\n  GREEN_SHIFT = 8,\n\n  /**\n   * bit 17..24   red in RGB\n   */\n  RED_MASK = 0xFF0000,\n  RED_SHIFT = 16,\n\n  /**\n   * bit 25..26   color mode: DEFAULT (0) | P16 (1) | P256 (2) | RGB (3)\n   */\n  CM_MASK = 0x3000000,\n  CM_DEFAULT = 0,\n  CM_P16 = 0x1000000,\n  CM_P256 = 0x2000000,\n  CM_RGB = 0x3000000,\n\n  /**\n   * bit 1..24  RGB room\n   */\n  RGB_MASK = 0xFFFFFF\n}\n\nexport const enum FgFlags {\n  /**\n   * bit 27..32\n   */\n  INVERSE = 0x4000000,\n  BOLD = 0x8000000,\n  UNDERLINE = 0x10000000,\n  BLINK = 0x20000000,\n  INVISIBLE = 0x40000000,\n  STRIKETHROUGH = 0x80000000,\n}\n\nexport const enum BgFlags {\n  /**\n   * bit 27..32 (upper 2 unused)\n   */\n  ITALIC = 0x4000000,\n  DIM = 0x8000000,\n  HAS_EXTENDED = 0x10000000,\n  PROTECTED = 0x20000000,\n  OVERLINE = 0x40000000\n}\n\nexport const enum ExtFlags {\n  /**\n   * bit 27..29\n   */\n  UNDERLINE_STYLE = 0x1C000000,\n\n  /**\n   * bit 30..32\n   *\n   * An optional variant for the glyph, this can be used for example to offset underlines by a\n   * number of pixels to create a perfect pattern.\n   */\n  VARIANT_OFFSET = 0xE0000000\n}\n\nexport const enum UnderlineStyle {\n  NONE = 0,\n  SINGLE = 1,\n  DOUBLE = 2,\n  CURLY = 3,\n  DOTTED = 4,\n  DASHED = 5\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { disposeArray } from 'common/Lifecycle';\nimport { IDisposable, IMarker } from 'common/Types';\n\nexport class Marker implements IMarker {\n  private static _nextId = 1;\n\n  public isDisposed: boolean = false;\n  private readonly _disposables: IDisposable[] = [];\n\n  private readonly _id: number = Marker._nextId++;\n  public get id(): number { return this._id; }\n\n  private readonly _onDispose = this.register(new EventEmitter<void>());\n  public readonly onDispose = this._onDispose.event;\n\n  constructor(\n    public line: number\n  ) {\n  }\n\n  public dispose(): void {\n    if (this.isDisposed) {\n      return;\n    }\n    this.isDisposed = true;\n    this.line = -1;\n    // Emit before super.dispose such that dispose listeners get a change to react\n    this._onDispose.fire();\n    disposeArray(this._disposables);\n    this._disposables.length = 0;\n  }\n\n  public register<T extends IDisposable>(disposable: T): T {\n    this._disposables.push(disposable);\n    return disposable;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharset } from 'common/Types';\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: { [key: string]: ICharset | undefined } = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET: ICharset | undefined = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n  '`': '\\u25c6', // '◆'\n  'a': '\\u2592', // '▒'\n  'b': '\\u2409', // '␉' (HT)\n  'c': '\\u240c', // '␌' (FF)\n  'd': '\\u240d', // '␍' (CR)\n  'e': '\\u240a', // '␊' (LF)\n  'f': '\\u00b0', // '°'\n  'g': '\\u00b1', // '±'\n  'h': '\\u2424', // '␤' (NL)\n  'i': '\\u240b', // '␋' (VT)\n  'j': '\\u2518', // '┘'\n  'k': '\\u2510', // '┐'\n  'l': '\\u250c', // '┌'\n  'm': '\\u2514', // '└'\n  'n': '\\u253c', // '┼'\n  'o': '\\u23ba', // '⎺'\n  'p': '\\u23bb', // '⎻'\n  'q': '\\u2500', // '─'\n  'r': '\\u23bc', // '⎼'\n  's': '\\u23bd', // '⎽'\n  't': '\\u251c', // '├'\n  'u': '\\u2524', // '┤'\n  'v': '\\u2534', // '┴'\n  'w': '\\u252c', // '┬'\n  'x': '\\u2502', // '│'\n  'y': '\\u2264', // '≤'\n  'z': '\\u2265', // '≥'\n  '{': '\\u03c0', // 'π'\n  '|': '\\u2260', // '≠'\n  '}': '\\u00a3', // '£'\n  '~': '\\u00b7'  // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n  '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = undefined;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n  '#': '£',\n  '@': '¾',\n  '[': 'ij',\n  '\\\\': '½',\n  ']': '|',\n  '{': '¨',\n  '|': 'f',\n  '}': '¼',\n  '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n  '#': '£',\n  '@': 'à',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': '§',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n  '@': 'à',\n  '[': 'â',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  '`': 'ô',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n  '@': '§',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Ü',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n  '#': '£',\n  '@': '§',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': 'é',\n  '`': 'ù',\n  '{': 'à',\n  '|': 'ò',\n  '}': 'è',\n  '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n  '@': 'Ä',\n  '[': 'Æ',\n  '\\\\': 'Ø',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'ä',\n  '{': 'æ',\n  '|': 'ø',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n  '#': '£',\n  '@': '§',\n  '[': '¡',\n  '\\\\': 'Ñ',\n  ']': '¿',\n  '{': '°',\n  '|': 'ñ',\n  '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n  '@': 'É',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n  '#': 'ù',\n  '@': 'à',\n  '[': 'é',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  '_': 'è',\n  '`': 'ô',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'û'\n};\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n  /** Null (Caret = ^@, C = \\0) */\n  export const NUL = '\\x00';\n  /** Start of Heading (Caret = ^A) */\n  export const SOH = '\\x01';\n  /** Start of Text (Caret = ^B) */\n  export const STX = '\\x02';\n  /** End of Text (Caret = ^C) */\n  export const ETX = '\\x03';\n  /** End of Transmission (Caret = ^D) */\n  export const EOT = '\\x04';\n  /** Enquiry (Caret = ^E) */\n  export const ENQ = '\\x05';\n  /** Acknowledge (Caret = ^F) */\n  export const ACK = '\\x06';\n  /** Bell (Caret = ^G, C = \\a) */\n  export const BEL = '\\x07';\n  /** Backspace (Caret = ^H, C = \\b) */\n  export const BS  = '\\x08';\n  /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n  export const HT  = '\\x09';\n  /** Line Feed (Caret = ^J, C = \\n) */\n  export const LF  = '\\x0a';\n  /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n  export const VT  = '\\x0b';\n  /** Form Feed (Caret = ^L, C = \\f) */\n  export const FF  = '\\x0c';\n  /** Carriage Return (Caret = ^M, C = \\r) */\n  export const CR  = '\\x0d';\n  /** Shift Out (Caret = ^N) */\n  export const SO  = '\\x0e';\n  /** Shift In (Caret = ^O) */\n  export const SI  = '\\x0f';\n  /** Data Link Escape (Caret = ^P) */\n  export const DLE = '\\x10';\n  /** Device Control One (XON) (Caret = ^Q) */\n  export const DC1 = '\\x11';\n  /** Device Control Two (Caret = ^R) */\n  export const DC2 = '\\x12';\n  /** Device Control Three (XOFF) (Caret = ^S) */\n  export const DC3 = '\\x13';\n  /** Device Control Four (Caret = ^T) */\n  export const DC4 = '\\x14';\n  /** Negative Acknowledge (Caret = ^U) */\n  export const NAK = '\\x15';\n  /** Synchronous Idle (Caret = ^V) */\n  export const SYN = '\\x16';\n  /** End of Transmission Block (Caret = ^W) */\n  export const ETB = '\\x17';\n  /** Cancel (Caret = ^X) */\n  export const CAN = '\\x18';\n  /** End of Medium (Caret = ^Y) */\n  export const EM  = '\\x19';\n  /** Substitute (Caret = ^Z) */\n  export const SUB = '\\x1a';\n  /** Escape (Caret = ^[, C = \\e) */\n  export const ESC = '\\x1b';\n  /** File Separator (Caret = ^\\) */\n  export const FS  = '\\x1c';\n  /** Group Separator (Caret = ^]) */\n  export const GS  = '\\x1d';\n  /** Record Separator (Caret = ^^) */\n  export const RS  = '\\x1e';\n  /** Unit Separator (Caret = ^_) */\n  export const US  = '\\x1f';\n  /** Space */\n  export const SP  = '\\x20';\n  /** Delete (Caret = ^?) */\n  export const DEL = '\\x7f';\n}\n\n/**\n * C1 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C1 {\n  /** padding character */\n  export const PAD = '\\x80';\n  /** High Octet Preset */\n  export const HOP = '\\x81';\n  /** Break Permitted Here */\n  export const BPH = '\\x82';\n  /** No Break Here */\n  export const NBH = '\\x83';\n  /** Index */\n  export const IND = '\\x84';\n  /** Next Line */\n  export const NEL = '\\x85';\n  /** Start of Selected Area */\n  export const SSA = '\\x86';\n  /** End of Selected Area */\n  export const ESA = '\\x87';\n  /** Horizontal Tabulation Set */\n  export const HTS = '\\x88';\n  /** Horizontal Tabulation With Justification */\n  export const HTJ = '\\x89';\n  /** Vertical Tabulation Set */\n  export const VTS = '\\x8a';\n  /** Partial Line Down */\n  export const PLD = '\\x8b';\n  /** Partial Line Up */\n  export const PLU = '\\x8c';\n  /** Reverse Index */\n  export const RI = '\\x8d';\n  /** Single-Shift 2 */\n  export const SS2 = '\\x8e';\n  /** Single-Shift 3 */\n  export const SS3 = '\\x8f';\n  /** Device Control String */\n  export const DCS = '\\x90';\n  /** Private Use 1 */\n  export const PU1 = '\\x91';\n  /** Private Use 2 */\n  export const PU2 = '\\x92';\n  /** Set Transmit State */\n  export const STS = '\\x93';\n  /** Destructive backspace, intended to eliminate ambiguity about meaning of BS. */\n  export const CCH = '\\x94';\n  /** Message Waiting */\n  export const MW = '\\x95';\n  /** Start of Protected Area */\n  export const SPA = '\\x96';\n  /** End of Protected Area */\n  export const EPA = '\\x97';\n  /** Start of String */\n  export const SOS = '\\x98';\n  /** Single Graphic Character Introducer */\n  export const SGCI = '\\x99';\n  /** Single Character Introducer */\n  export const SCI = '\\x9a';\n  /** Control Sequence Introducer */\n  export const CSI = '\\x9b';\n  /** String Terminator */\n  export const ST = '\\x9c';\n  /** Operating System Command */\n  export const OSC = '\\x9d';\n  /** Privacy Message */\n  export const PM = '\\x9e';\n  /** Application Program Command */\n  export const APC = '\\x9f';\n}\nexport namespace C1_ESCAPED {\n  export const ST = `${C0.ESC}\\\\`;\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IKeyboardEvent, IKeyboardResult, KeyboardResultType } from 'common/Types';\nimport { C0 } from 'common/data/EscapeSequences';\n\n// reg + shift key mappings for digits and special chars\nconst KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {\n  // digits 0-9\n  48: ['0', ')'],\n  49: ['1', '!'],\n  50: ['2', '@'],\n  51: ['3', '#'],\n  52: ['4', '$'],\n  53: ['5', '%'],\n  54: ['6', '^'],\n  55: ['7', '&'],\n  56: ['8', '*'],\n  57: ['9', '('],\n\n  // special chars\n  186: [';', ':'],\n  187: ['=', '+'],\n  188: [',', '<'],\n  189: ['-', '_'],\n  190: ['.', '>'],\n  191: ['/', '?'],\n  192: ['`', '~'],\n  219: ['[', '{'],\n  220: ['\\\\', '|'],\n  221: [']', '}'],\n  222: ['\\'', '\"']\n};\n\nexport function evaluateKeyboardEvent(\n  ev: IKeyboardEvent,\n  applicationCursorMode: boolean,\n  isMac: boolean,\n  macOptionIsMeta: boolean\n): IKeyboardResult {\n  const result: IKeyboardResult = {\n    type: KeyboardResultType.SEND_KEY,\n    // Whether to cancel event propagation (NOTE: this may not be needed since the event is\n    // canceled at the end of keyDown\n    cancel: false,\n    // The new key even to emit\n    key: undefined\n  };\n  const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);\n  switch (ev.keyCode) {\n    case 0:\n      if (ev.key === 'UIKeyInputUpArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OA';\n        } else {\n          result.key = C0.ESC + '[A';\n        }\n      }\n      else if (ev.key === 'UIKeyInputLeftArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OD';\n        } else {\n          result.key = C0.ESC + '[D';\n        }\n      }\n      else if (ev.key === 'UIKeyInputRightArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OC';\n        } else {\n          result.key = C0.ESC + '[C';\n        }\n      }\n      else if (ev.key === 'UIKeyInputDownArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OB';\n        } else {\n          result.key = C0.ESC + '[B';\n        }\n      }\n      break;\n    case 8:\n      // backspace\n      result.key = ev.ctrlKey ? '\\b' : C0.DEL; // ^H or ^?\n      if (ev.altKey) {\n        result.key = C0.ESC + result.key;\n      }\n      break;\n    case 9:\n      // tab\n      if (ev.shiftKey) {\n        result.key = C0.ESC + '[Z';\n        break;\n      }\n      result.key = C0.HT;\n      result.cancel = true;\n      break;\n    case 13:\n      // return/enter\n      result.key = ev.altKey ? C0.ESC + C0.CR : C0.CR;\n      result.cancel = true;\n      break;\n    case 27:\n      // escape\n      result.key = C0.ESC;\n      if (ev.altKey) {\n        result.key = C0.ESC + C0.ESC;\n      }\n      result.cancel = true;\n      break;\n    case 37:\n      // left-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key === C0.ESC + '[1;3D') {\n          result.key = C0.ESC + (isMac ? 'b' : '[1;5D');\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OD';\n      } else {\n        result.key = C0.ESC + '[D';\n      }\n      break;\n    case 39:\n      // right-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key === C0.ESC + '[1;3C') {\n          result.key = C0.ESC + (isMac ? 'f' : '[1;5C');\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OC';\n      } else {\n        result.key = C0.ESC + '[C';\n      }\n      break;\n    case 38:\n      // up-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (!isMac && result.key === C0.ESC + '[1;3A') {\n          result.key = C0.ESC + '[1;5A';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OA';\n      } else {\n        result.key = C0.ESC + '[A';\n      }\n      break;\n    case 40:\n      // down-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (!isMac && result.key === C0.ESC + '[1;3B') {\n          result.key = C0.ESC + '[1;5B';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OB';\n      } else {\n        result.key = C0.ESC + '[B';\n      }\n      break;\n    case 45:\n      // insert\n      if (!ev.shiftKey && !ev.ctrlKey) {\n        // <Ctrl> or <Shift> + <Insert> are used to\n        // copy-paste on some systems.\n        result.key = C0.ESC + '[2~';\n      }\n      break;\n    case 46:\n      // delete\n      if (modifiers) {\n        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[3~';\n      }\n      break;\n    case 36:\n      // home\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OH';\n      } else {\n        result.key = C0.ESC + '[H';\n      }\n      break;\n    case 35:\n      // end\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OF';\n      } else {\n        result.key = C0.ESC + '[F';\n      }\n      break;\n    case 33:\n      // page up\n      if (ev.shiftKey) {\n        result.type = KeyboardResultType.PAGE_UP;\n      } else if (ev.ctrlKey) {\n        result.key = C0.ESC + '[5;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[5~';\n      }\n      break;\n    case 34:\n      // page down\n      if (ev.shiftKey) {\n        result.type = KeyboardResultType.PAGE_DOWN;\n      } else if (ev.ctrlKey) {\n        result.key = C0.ESC + '[6;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[6~';\n      }\n      break;\n    case 112:\n      // F1-F12\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n      } else {\n        result.key = C0.ESC + 'OP';\n      }\n      break;\n    case 113:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n      } else {\n        result.key = C0.ESC + 'OQ';\n      }\n      break;\n    case 114:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n      } else {\n        result.key = C0.ESC + 'OR';\n      }\n      break;\n    case 115:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n      } else {\n        result.key = C0.ESC + 'OS';\n      }\n      break;\n    case 116:\n      if (modifiers) {\n        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[15~';\n      }\n      break;\n    case 117:\n      if (modifiers) {\n        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[17~';\n      }\n      break;\n    case 118:\n      if (modifiers) {\n        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[18~';\n      }\n      break;\n    case 119:\n      if (modifiers) {\n        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[19~';\n      }\n      break;\n    case 120:\n      if (modifiers) {\n        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[20~';\n      }\n      break;\n    case 121:\n      if (modifiers) {\n        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[21~';\n      }\n      break;\n    case 122:\n      if (modifiers) {\n        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[23~';\n      }\n      break;\n    case 123:\n      if (modifiers) {\n        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[24~';\n      }\n      break;\n    default:\n      // a-z and space\n      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = String.fromCharCode(ev.keyCode - 64);\n        } else if (ev.keyCode === 32) {\n          result.key = C0.NUL;\n        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n          // escape, file sep, group sep, record sep, unit sep\n          result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n        } else if (ev.keyCode === 56) {\n          result.key = C0.DEL;\n        } else if (ev.keyCode === 219) {\n          result.key = C0.ESC;\n        } else if (ev.keyCode === 220) {\n          result.key = C0.FS;\n        } else if (ev.keyCode === 221) {\n          result.key = C0.GS;\n        }\n      } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {\n        // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.\n        const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];\n        const key = keyMapping?.[!ev.shiftKey ? 0 : 1];\n        if (key) {\n          result.key = C0.ESC + key;\n        } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;\n          let keyString = String.fromCharCode(keyCode);\n          if (ev.shiftKey) {\n            keyString = keyString.toUpperCase();\n          }\n          result.key = C0.ESC + keyString;\n        } else if (ev.keyCode === 32) {\n          result.key = C0.ESC + (ev.ctrlKey ? C0.NUL : ' ');\n        } else if (ev.key === 'Dead' && ev.code.startsWith('Key')) {\n          // Reference: https://github.com/xtermjs/xterm.js/issues/3725\n          // Alt will produce a \"dead key\" (initate composition) with some\n          // of the letters in US layout (e.g. N/E/U).\n          // It's safe to match against Key* since no other `code` values begin with \"Key\".\n          // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code/code_values#code_values_on_mac\n          let keyString = ev.code.slice(3, 4);\n          if (!ev.shiftKey) {\n            keyString = keyString.toLowerCase();\n          }\n          result.key = C0.ESC + keyString;\n          result.cancel = true;\n        }\n      } else if (isMac && !ev.altKey && !ev.ctrlKey && !ev.shiftKey && ev.metaKey) {\n        if (ev.keyCode === 65) { // cmd + a\n          result.type = KeyboardResultType.SELECT_ALL;\n        }\n      } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {\n        // Include only keys that that result in a _single_ character; don't include num lock,\n        // volume up, etc.\n        result.key = ev.key;\n      } else if (ev.key && ev.ctrlKey) {\n        if (ev.key === '_') { // ^_\n          result.key = C0.US;\n        }\n        if (ev.key === '@') { // ^ + shift + 2 = ^ + @\n          result.key = C0.NUL;\n        }\n      }\n      break;\n  }\n\n  return result;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * Polyfill - Convert UTF32 codepoint into JS string.\n * Note: The built-in String.fromCodePoint happens to be much slower\n *       due to additional sanity checks. We can avoid them since\n *       we always operate on legal UTF32 (granted by the input decoders)\n *       and use this faster version instead.\n */\nexport function stringFromCodePoint(codePoint: number): string {\n  if (codePoint > 0xFFFF) {\n    codePoint -= 0x10000;\n    return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);\n  }\n  return String.fromCharCode(codePoint);\n}\n\n/**\n * Convert UTF32 char codes into JS string.\n * Basically the same as `stringFromCodePoint` but for multiple codepoints\n * in a loop (which is a lot faster).\n */\nexport function utf32ToString(data: Uint32Array, start: number = 0, end: number = data.length): string {\n  let result = '';\n  for (let i = start; i < end; ++i) {\n    let codepoint = data[i];\n    if (codepoint > 0xFFFF) {\n      // JS strings are encoded as UTF16, thus a non BMP codepoint gets converted into a surrogate\n      // pair conversion rules:\n      //  - subtract 0x10000 from code point, leaving a 20 bit number\n      //  - add high 10 bits to 0xD800  --> first surrogate\n      //  - add low 10 bits to 0xDC00   --> second surrogate\n      codepoint -= 0x10000;\n      result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);\n    } else {\n      result += String.fromCharCode(codepoint);\n    }\n  }\n  return result;\n}\n\n/**\n * StringToUtf32 - decodes UTF16 sequences into UTF32 codepoints.\n * To keep the decoder in line with JS strings it handles single surrogates as UCS2.\n */\nexport class StringToUtf32 {\n  private _interim: number = 0;\n\n  /**\n   * Clears interim and resets decoder to clean state.\n   */\n  public clear(): void {\n    this._interim = 0;\n  }\n\n  /**\n   * Decode JS string to UTF32 codepoints.\n   * The methods assumes stream input and will store partly transmitted\n   * surrogate pairs and decode them with the next data chunk.\n   * Note: The method does no bound checks for target, therefore make sure\n   * the provided input data does not exceed the size of `target`.\n   * Returns the number of written codepoints in `target`.\n   */\n  public decode(input: string, target: Uint32Array): number {\n    const length = input.length;\n\n    if (!length) {\n      return 0;\n    }\n\n    let size = 0;\n    let startPos = 0;\n\n    // handle leftover surrogate high\n    if (this._interim) {\n      const second = input.charCodeAt(startPos++);\n      if (0xDC00 <= second && second <= 0xDFFF) {\n        target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n      } else {\n        // illegal codepoint (USC2 handling)\n        target[size++] = this._interim;\n        target[size++] = second;\n      }\n      this._interim = 0;\n    }\n\n    for (let i = startPos; i < length; ++i) {\n      const code = input.charCodeAt(i);\n      // surrogate pair first\n      if (0xD800 <= code && code <= 0xDBFF) {\n        if (++i >= length) {\n          this._interim = code;\n          return size;\n        }\n        const second = input.charCodeAt(i);\n        if (0xDC00 <= second && second <= 0xDFFF) {\n          target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n        } else {\n          // illegal codepoint (USC2 handling)\n          target[size++] = code;\n          target[size++] = second;\n        }\n        continue;\n      }\n      if (code === 0xFEFF) {\n        // BOM\n        continue;\n      }\n      target[size++] = code;\n    }\n    return size;\n  }\n}\n\n/**\n * Utf8Decoder - decodes UTF8 byte sequences into UTF32 codepoints.\n */\nexport class Utf8ToUtf32 {\n  public interim: Uint8Array = new Uint8Array(3);\n\n  /**\n   * Clears interim bytes and resets decoder to clean state.\n   */\n  public clear(): void {\n    this.interim.fill(0);\n  }\n\n  /**\n   * Decodes UTF8 byte sequences in `input` to UTF32 codepoints in `target`.\n   * The methods assumes stream input and will store partly transmitted bytes\n   * and decode them with the next data chunk.\n   * Note: The method does no bound checks for target, therefore make sure\n   * the provided data chunk does not exceed the size of `target`.\n   * Returns the number of written codepoints in `target`.\n   */\n  public decode(input: Uint8Array, target: Uint32Array): number {\n    const length = input.length;\n\n    if (!length) {\n      return 0;\n    }\n\n    let size = 0;\n    let byte1: number;\n    let byte2: number;\n    let byte3: number;\n    let byte4: number;\n    let codepoint = 0;\n    let startPos = 0;\n\n    // handle leftover bytes\n    if (this.interim[0]) {\n      let discardInterim = false;\n      let cp = this.interim[0];\n      cp &= ((((cp & 0xE0) === 0xC0)) ? 0x1F : (((cp & 0xF0) === 0xE0)) ? 0x0F : 0x07);\n      let pos = 0;\n      let tmp: number;\n      while ((tmp = this.interim[++pos] & 0x3F) && pos < 4) {\n        cp <<= 6;\n        cp |= tmp;\n      }\n      // missing bytes - read ahead from input\n      const type = (((this.interim[0] & 0xE0) === 0xC0)) ? 2 : (((this.interim[0] & 0xF0) === 0xE0)) ? 3 : 4;\n      const missing = type - pos;\n      while (startPos < missing) {\n        if (startPos >= length) {\n          return 0;\n        }\n        tmp = input[startPos++];\n        if ((tmp & 0xC0) !== 0x80) {\n          // wrong continuation, discard interim bytes completely\n          startPos--;\n          discardInterim = true;\n          break;\n        } else {\n          // need to save so we can continue short inputs in next call\n          this.interim[pos++] = tmp;\n          cp <<= 6;\n          cp |= tmp & 0x3F;\n        }\n      }\n      if (!discardInterim) {\n        // final test is type dependent\n        if (type === 2) {\n          if (cp < 0x80) {\n            // wrong starter byte\n            startPos--;\n          } else {\n            target[size++] = cp;\n          }\n        } else if (type === 3) {\n          if (cp < 0x0800 || (cp >= 0xD800 && cp <= 0xDFFF) || cp === 0xFEFF) {\n            // illegal codepoint or BOM\n          } else {\n            target[size++] = cp;\n          }\n        } else {\n          if (cp < 0x010000 || cp > 0x10FFFF) {\n            // illegal codepoint\n          } else {\n            target[size++] = cp;\n          }\n        }\n      }\n      this.interim.fill(0);\n    }\n\n    // loop through input\n    const fourStop = length - 4;\n    let i = startPos;\n    while (i < length) {\n      /**\n       * ASCII shortcut with loop unrolled to 4 consecutive ASCII chars.\n       * This is a compromise between speed gain for ASCII\n       * and penalty for non ASCII:\n       * For best ASCII performance the char should be stored directly into target,\n       * but even a single attempt to write to target and compare afterwards\n       * penalizes non ASCII really bad (-50%), thus we load the char into byteX first,\n       * which reduces ASCII performance by ~15%.\n       * This trial for ASCII reduces non ASCII performance by ~10% which seems acceptible\n       * compared to the gains.\n       * Note that this optimization only takes place for 4 consecutive ASCII chars,\n       * for any shorter it bails out. Worst case - all 4 bytes being read but\n       * thrown away due to the last being a non ASCII char (-10% performance).\n       */\n      while (i < fourStop\n        && !((byte1 = input[i]) & 0x80)\n        && !((byte2 = input[i + 1]) & 0x80)\n        && !((byte3 = input[i + 2]) & 0x80)\n        && !((byte4 = input[i + 3]) & 0x80))\n      {\n        target[size++] = byte1;\n        target[size++] = byte2;\n        target[size++] = byte3;\n        target[size++] = byte4;\n        i += 4;\n      }\n\n      // reread byte1\n      byte1 = input[i++];\n\n      // 1 byte\n      if (byte1 < 0x80) {\n        target[size++] = byte1;\n\n        // 2 bytes\n      } else if ((byte1 & 0xE0) === 0xC0) {\n        if (i >= length) {\n          this.interim[0] = byte1;\n          return size;\n        }\n        byte2 = input[i++];\n        if ((byte2 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        codepoint = (byte1 & 0x1F) << 6 | (byte2 & 0x3F);\n        if (codepoint < 0x80) {\n          // wrong starter byte\n          i--;\n          continue;\n        }\n        target[size++] = codepoint;\n\n        // 3 bytes\n      } else if ((byte1 & 0xF0) === 0xE0) {\n        if (i >= length) {\n          this.interim[0] = byte1;\n          return size;\n        }\n        byte2 = input[i++];\n        if ((byte2 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        if (i >= length) {\n          this.interim[0] = byte1;\n          this.interim[1] = byte2;\n          return size;\n        }\n        byte3 = input[i++];\n        if ((byte3 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        codepoint = (byte1 & 0x0F) << 12 | (byte2 & 0x3F) << 6 | (byte3 & 0x3F);\n        if (codepoint < 0x0800 || (codepoint >= 0xD800 && codepoint <= 0xDFFF) || codepoint === 0xFEFF) {\n          // illegal codepoint or BOM, no i-- here\n          continue;\n        }\n        target[size++] = codepoint;\n\n        // 4 bytes\n      } else if ((byte1 & 0xF8) === 0xF0) {\n        if (i >= length) {\n          this.interim[0] = byte1;\n          return size;\n        }\n        byte2 = input[i++];\n        if ((byte2 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        if (i >= length) {\n          this.interim[0] = byte1;\n          this.interim[1] = byte2;\n          return size;\n        }\n        byte3 = input[i++];\n        if ((byte3 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        if (i >= length) {\n          this.interim[0] = byte1;\n          this.interim[1] = byte2;\n          this.interim[2] = byte3;\n          return size;\n        }\n        byte4 = input[i++];\n        if ((byte4 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        codepoint = (byte1 & 0x07) << 18 | (byte2 & 0x3F) << 12 | (byte3 & 0x3F) << 6 | (byte4 & 0x3F);\n        if (codepoint < 0x010000 || codepoint > 0x10FFFF) {\n          // illegal codepoint, no i-- here\n          continue;\n        }\n        target[size++] = codepoint;\n      } else {\n        // illegal byte, just skip\n      }\n    }\n    return size;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IUnicodeVersionProvider, UnicodeCharProperties, UnicodeCharWidth } from 'common/services/Services';\nimport { UnicodeService } from 'common/services/UnicodeService';\n\nconst BMP_COMBINING = [\n  [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n  [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n  [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n  [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n  [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n  [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n  [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n  [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n  [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n  [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n  [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n  [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n  [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n  [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n  [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n  [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n  [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n  [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n  [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n  [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n  [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n  [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n  [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n  [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n  [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n  [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n  [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n  [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n  [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n  [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n  [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n  [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n  [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n  [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n  [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n  [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n  [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n  [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n  [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n  [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n  [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n  [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n  [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]\n];\nconst HIGH_COMBINING = [\n  [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n  [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n  [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n  [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n  [0xE0100, 0xE01EF]\n];\n\n// BMP lookup table, lazy initialized during first addon loading\nlet table: Uint8Array;\n\nfunction bisearch(ucs: number, data: number[][]): boolean {\n  let min = 0;\n  let max = data.length - 1;\n  let mid;\n  if (ucs < data[0][0] || ucs > data[max][1]) {\n    return false;\n  }\n  while (max >= min) {\n    mid = (min + max) >> 1;\n    if (ucs > data[mid][1]) {\n      min = mid + 1;\n    } else if (ucs < data[mid][0]) {\n      max = mid - 1;\n    } else {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport class UnicodeV6 implements IUnicodeVersionProvider {\n  public readonly version = '6';\n\n  constructor() {\n    // init lookup table once\n    if (!table) {\n      table = new Uint8Array(65536);\n      table.fill(1);\n      table[0] = 0;\n      // control chars\n      table.fill(0, 1, 32);\n      table.fill(0, 0x7f, 0xa0);\n\n      // apply wide char rules first\n      // wide chars\n      table.fill(2, 0x1100, 0x1160);\n      table[0x2329] = 2;\n      table[0x232a] = 2;\n      table.fill(2, 0x2e80, 0xa4d0);\n      table[0x303f] = 1;  // wrongly in last line\n\n      table.fill(2, 0xac00, 0xd7a4);\n      table.fill(2, 0xf900, 0xfb00);\n      table.fill(2, 0xfe10, 0xfe1a);\n      table.fill(2, 0xfe30, 0xfe70);\n      table.fill(2, 0xff00, 0xff61);\n      table.fill(2, 0xffe0, 0xffe7);\n\n      // apply combining last to ensure we overwrite\n      // wrongly wide set chars:\n      //    the original algo evals combining first and falls\n      //    through to wide check so we simply do here the opposite\n      // combining 0\n      for (let r = 0; r < BMP_COMBINING.length; ++r) {\n        table.fill(0, BMP_COMBINING[r][0], BMP_COMBINING[r][1] + 1);\n      }\n    }\n  }\n\n  public wcwidth(num: number): UnicodeCharWidth {\n    if (num < 32) return 0;\n    if (num < 127) return 1;\n    if (num < 65536) return table[num] as UnicodeCharWidth;\n    if (bisearch(num, HIGH_COMBINING)) return 0;\n    if ((num >= 0x20000 && num <= 0x2fffd) || (num >= 0x30000 && num <= 0x3fffd)) return 2;\n    return 1;\n  }\n\n  public charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties {\n    let width = this.wcwidth(codepoint);\n    let shouldJoin = width === 0 && preceding !== 0;\n    if (shouldJoin) {\n      const oldWidth = UnicodeService.extractWidth(preceding);\n      if (oldWidth === 0) {\n        shouldJoin = false;\n      } else if (oldWidth > width) {\n        width = oldWidth;\n      }\n    }\n    return UnicodeService.createPropertyValue(0, width, shouldJoin);\n  }\n}\n","\n/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\n\ndeclare const setTimeout: (handler: () => void, timeout?: number) => void;\n\n/**\n * Safety watermark to avoid memory exhaustion and browser engine crash on fast data input.\n * Enable flow control to avoid this limit and make sure that your backend correctly\n * propagates this to the underlying pty. (see docs for further instructions)\n * Since this limit is meant as a safety parachute to prevent browser crashs,\n * it is set to a very high number. Typically xterm.js gets unresponsive with\n * a 100 times lower number (>500 kB).\n */\nconst DISCARD_WATERMARK = 50000000; // ~50 MB\n\n/**\n * The max number of ms to spend on writes before allowing the renderer to\n * catch up with a 0ms setTimeout. A value of < 33 to keep us close to\n * 30fps, and a value of < 16 to try to run at 60fps. Of course, the real FPS\n * depends on the time it takes for the renderer to draw the frame.\n */\nconst WRITE_TIMEOUT_MS = 12;\n\n/**\n * Threshold of max held chunks in the write buffer, that were already processed.\n * This is a tradeoff between extensive write buffer shifts (bad runtime) and high\n * memory consumption by data thats not used anymore.\n */\nconst WRITE_BUFFER_LENGTH_THRESHOLD = 50;\n\nexport class WriteBuffer extends Disposable {\n  private _writeBuffer: (string | Uint8Array)[] = [];\n  private _callbacks: ((() => void) | undefined)[] = [];\n  private _pendingData = 0;\n  private _bufferOffset = 0;\n  private _isSyncWriting = false;\n  private _syncCalls = 0;\n  private _didUserInput = false;\n\n  private readonly _onWriteParsed = this.register(new EventEmitter<void>());\n  public readonly onWriteParsed = this._onWriteParsed.event;\n\n  constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise<boolean>) {\n    super();\n  }\n\n  public handleUserInput(): void {\n    this._didUserInput = true;\n  }\n\n  /**\n   * @deprecated Unreliable, to be removed soon.\n   */\n  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {\n    // stop writeSync recursions with maxSubsequentCalls argument\n    // This is dangerous to use as it will lose the current data chunk\n    // and return immediately.\n    if (maxSubsequentCalls !== undefined && this._syncCalls > maxSubsequentCalls) {\n      // comment next line if a whole loop block should only contain x `writeSync` calls\n      // (total flat vs. deep nested limit)\n      this._syncCalls = 0;\n      return;\n    }\n    // append chunk to buffer\n    this._pendingData += data.length;\n    this._writeBuffer.push(data);\n    this._callbacks.push(undefined);\n\n    // increase recursion counter\n    this._syncCalls++;\n    // exit early if another writeSync loop is active\n    if (this._isSyncWriting) {\n      return;\n    }\n    this._isSyncWriting = true;\n\n    // force sync processing on pending data chunks to avoid in-band data scrambling\n    // does the same as innerWrite but without event loop\n    // we have to do it here as single loop steps to not corrupt loop subject\n    // by another writeSync call triggered from _action\n    let chunk: string | Uint8Array | undefined;\n    while (chunk = this._writeBuffer.shift()) {\n      this._action(chunk);\n      const cb = this._callbacks.shift();\n      if (cb) cb();\n    }\n    // reset to avoid reprocessing of chunks with scheduled innerWrite call\n    // stopping scheduled innerWrite by offset > length condition\n    this._pendingData = 0;\n    this._bufferOffset = 0x7FFFFFFF;\n\n    // allow another writeSync to loop\n    this._isSyncWriting = false;\n    this._syncCalls = 0;\n  }\n\n  public write(data: string | Uint8Array, callback?: () => void): void {\n    if (this._pendingData > DISCARD_WATERMARK) {\n      throw new Error('write data discarded, use flow control to avoid losing data');\n    }\n\n    // schedule chunk processing for next event loop run\n    if (!this._writeBuffer.length) {\n      this._bufferOffset = 0;\n\n      // If this is the first write call after the user has done some input,\n      // parse it immediately to minimize input latency,\n      // otherwise schedule for the next event\n      if (this._didUserInput) {\n        this._didUserInput = false;\n        this._pendingData += data.length;\n        this._writeBuffer.push(data);\n        this._callbacks.push(callback);\n        this._innerWrite();\n        return;\n      }\n\n      setTimeout(() => this._innerWrite());\n    }\n\n    this._pendingData += data.length;\n    this._writeBuffer.push(data);\n    this._callbacks.push(callback);\n  }\n\n  /**\n   * Inner write call, that enters the sliced chunk processing by timing.\n   *\n   * `lastTime` indicates, when the last _innerWrite call had started.\n   * It is used to aggregate async handler execution under a timeout constraint\n   * effectively lowering the redrawing needs, schematically:\n   *\n   *   macroTask _innerWrite:\n   *     if (Date.now() - (lastTime | 0) < WRITE_TIMEOUT_MS):\n   *        schedule microTask _innerWrite(lastTime)\n   *     else:\n   *        schedule macroTask _innerWrite(0)\n   *\n   *   overall execution order on task queues:\n   *\n   *   macrotasks:  [...]  -->  _innerWrite(0)  -->  [...]  -->  screenUpdate  -->  [...]\n   *         m  t:                    |\n   *         i  a:                  [...]\n   *         c  s:                    |\n   *         r  k:              while < timeout:\n   *         o  s:                _innerWrite(timeout)\n   *\n   * `promiseResult` depicts the promise resolve value of an async handler.\n   * This value gets carried forward through all saved stack states of the\n   * paused parser for proper continuation.\n   *\n   * Note, for pure sync code `lastTime` and `promiseResult` have no meaning.\n   */\n  protected _innerWrite(lastTime: number = 0, promiseResult: boolean = true): void {\n    const startTime = lastTime || Date.now();\n    while (this._writeBuffer.length > this._bufferOffset) {\n      const data = this._writeBuffer[this._bufferOffset];\n      const result = this._action(data, promiseResult);\n      if (result) {\n        /**\n         * If we get a promise as return value, we re-schedule the continuation\n         * as thenable on the promise and exit right away.\n         *\n         * The exit here means, that we block input processing at the current active chunk,\n         * the exact execution position within the chunk is preserved by the saved\n         * stack content in InputHandler and EscapeSequenceParser.\n         *\n         * Resuming happens automatically from that saved stack state.\n         * Also the resolved promise value is passed along the callstack to\n         * `EscapeSequenceParser.parse` to correctly resume the stopped handler loop.\n         *\n         * Exceptions on async handlers will be logged to console async, but do not interrupt\n         * the input processing (continues with next handler at the current input position).\n         */\n\n        /**\n         * If a promise takes long to resolve, we should schedule continuation behind setTimeout.\n         * This might already be too late, if our .then enters really late (executor + prev thens\n         * took very long). This cannot be solved here for the handler itself (it is the handlers\n         * responsibility to slice hard work), but we can at least schedule a screen update as we\n         * gain control.\n         */\n        const continuation: (r: boolean) => void = (r: boolean) => Date.now() - startTime >= WRITE_TIMEOUT_MS\n          ? setTimeout(() => this._innerWrite(0, r))\n          : this._innerWrite(startTime, r);\n\n        /**\n         * Optimization considerations:\n         * The continuation above favors FPS over throughput by eval'ing `startTime` on resolve.\n         * This might schedule too many screen updates with bad throughput drops (in case a slow\n         * resolving handler sliced its work properly behind setTimeout calls). We cannot spot\n         * this condition here, also the renderer has no way to spot nonsense updates either.\n         * FIXME: A proper fix for this would track the FPS at the renderer entry level separately.\n         *\n         * If favoring of FPS shows bad throughtput impact, use the following instead. It favors\n         * throughput by eval'ing `startTime` upfront pulling at least one more chunk into the\n         * current microtask queue (executed before setTimeout).\n         */\n        // const continuation: (r: boolean) => void = Date.now() - startTime >= WRITE_TIMEOUT_MS\n        //   ? r => setTimeout(() => this._innerWrite(0, r))\n        //   : r => this._innerWrite(startTime, r);\n\n        // Handle exceptions synchronously to current band position, idea:\n        // 1. spawn a single microtask which we allow to throw hard\n        // 2. spawn a promise immediately resolving to `true`\n        // (executed on the same queue, thus properly aligned before continuation happens)\n        result.catch(err => {\n          queueMicrotask(() => {throw err;});\n          return Promise.resolve(false);\n        }).then(continuation);\n        return;\n      }\n\n      const cb = this._callbacks[this._bufferOffset];\n      if (cb) cb();\n      this._bufferOffset++;\n      this._pendingData -= data.length;\n\n      if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {\n        break;\n      }\n    }\n    if (this._writeBuffer.length > this._bufferOffset) {\n      // Allow renderer to catch up before processing the next batch\n      // trim already processed chunks if we are above threshold\n      if (this._bufferOffset > WRITE_BUFFER_LENGTH_THRESHOLD) {\n        this._writeBuffer = this._writeBuffer.slice(this._bufferOffset);\n        this._callbacks = this._callbacks.slice(this._bufferOffset);\n        this._bufferOffset = 0;\n      }\n      setTimeout(() => this._innerWrite());\n    } else {\n      this._writeBuffer.length = 0;\n      this._callbacks.length = 0;\n      this._pendingData = 0;\n      this._bufferOffset = 0;\n    }\n    this._onWriteParsed.fire();\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n\n// 'rgb:' rule - matching: r/g/b | rr/gg/bb | rrr/ggg/bbb | rrrr/gggg/bbbb (hex digits)\nconst RGB_REX = /^([\\da-f])\\/([\\da-f])\\/([\\da-f])$|^([\\da-f]{2})\\/([\\da-f]{2})\\/([\\da-f]{2})$|^([\\da-f]{3})\\/([\\da-f]{3})\\/([\\da-f]{3})$|^([\\da-f]{4})\\/([\\da-f]{4})\\/([\\da-f]{4})$/;\n// '#...' rule - matching any hex digits\nconst HASH_REX = /^[\\da-f]+$/;\n\n/**\n * Parse color spec to RGB values (8 bit per channel).\n * See `man xparsecolor` for details about certain format specifications.\n *\n * Supported formats:\n * - rgb:<red>/<green>/<blue> with <red>, <green>, <blue> in h | hh | hhh | hhhh\n * - #RGB, #RRGGBB, #RRRGGGBBB, #RRRRGGGGBBBB\n *\n * All other formats like rgbi: or device-independent string specifications\n * with float numbering are not supported.\n */\nexport function parseColor(data: string): [number, number, number] | undefined {\n  if (!data) return;\n  // also handle uppercases\n  let low = data.toLowerCase();\n  if (low.indexOf('rgb:') === 0) {\n    // 'rgb:' specifier\n    low = low.slice(4);\n    const m = RGB_REX.exec(low);\n    if (m) {\n      const base = m[1] ? 15 : m[4] ? 255 : m[7] ? 4095 : 65535;\n      return [\n        Math.round(parseInt(m[1] || m[4] || m[7] || m[10], 16) / base * 255),\n        Math.round(parseInt(m[2] || m[5] || m[8] || m[11], 16) / base * 255),\n        Math.round(parseInt(m[3] || m[6] || m[9] || m[12], 16) / base * 255)\n      ];\n    }\n  } else if (low.indexOf('#') === 0) {\n    // '#' specifier\n    low = low.slice(1);\n    if (HASH_REX.exec(low) && [3, 6, 9, 12].includes(low.length)) {\n      const adv = low.length / 3;\n      const result: [number, number, number] = [0, 0, 0];\n      for (let i = 0; i < 3; ++i) {\n        const c = parseInt(low.slice(adv * i, adv * i + adv), 16);\n        result[i] = adv === 1 ? c << 4 : adv === 2 ? c : adv === 3 ? c >> 4 : c >> 8;\n      }\n      return result;\n    }\n  }\n\n  // Named colors are currently not supported due to the large addition to the xterm.js bundle size\n  // they would add. In order to support named colors, we would need some way of optionally loading\n  // additional payloads so startup/download time is not bloated (see #3530).\n}\n\n// pad hex output to requested bit width\nfunction pad(n: number, bits: number): string {\n  const s = n.toString(16);\n  const s2 = s.length < 2 ? '0' + s : s;\n  switch (bits) {\n    case 4:\n      return s[0];\n    case 8:\n      return s2;\n    case 12:\n      return (s2 + s2).slice(0, 3);\n    default:\n      return s2 + s2;\n  }\n}\n\n/**\n * Convert a given color to rgb:../../.. string of `bits` depth.\n */\nexport function toRgbString(color: [number, number, number], bits: number = 16): string {\n  const [r, g, b] = color;\n  return `rgb:${pad(r, bits)}/${pad(g, bits)}/${pad(b, bits)}`;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * Internal states of EscapeSequenceParser.\n */\nexport const enum ParserState {\n  GROUND = 0,\n  ESCAPE = 1,\n  ESCAPE_INTERMEDIATE = 2,\n  CSI_ENTRY = 3,\n  CSI_PARAM = 4,\n  CSI_INTERMEDIATE = 5,\n  CSI_IGNORE = 6,\n  SOS_PM_APC_STRING = 7,\n  OSC_STRING = 8,\n  DCS_ENTRY = 9,\n  DCS_PARAM = 10,\n  DCS_IGNORE = 11,\n  DCS_INTERMEDIATE = 12,\n  DCS_PASSTHROUGH = 13\n}\n\n/**\n * Internal actions of EscapeSequenceParser.\n */\nexport const enum ParserAction {\n  IGNORE = 0,\n  ERROR = 1,\n  PRINT = 2,\n  EXECUTE = 3,\n  OSC_START = 4,\n  OSC_PUT = 5,\n  OSC_END = 6,\n  CSI_DISPATCH = 7,\n  PARAM = 8,\n  COLLECT = 9,\n  ESC_DISPATCH = 10,\n  CLEAR = 11,\n  DCS_HOOK = 12,\n  DCS_PUT = 13,\n  DCS_UNHOOK = 14\n}\n\n/**\n * Internal states of OscParser.\n */\nexport const enum OscState {\n  START = 0,\n  ID = 1,\n  PAYLOAD = 2,\n  ABORT = 3\n}\n\n// payload limit for OSC and DCS\nexport const PAYLOAD_LIMIT = 10000000;\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\nimport { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType, ISubParserStackState } from 'common/parser/Types';\nimport { utf32ToString } from 'common/input/TextDecoder';\nimport { Params } from 'common/parser/Params';\nimport { PAYLOAD_LIMIT } from 'common/parser/Constants';\n\nconst EMPTY_HANDLERS: IDcsHandler[] = [];\n\nexport class DcsParser implements IDcsParser {\n  private _handlers: IHandlerCollection<IDcsHandler> = Object.create(null);\n  private _active: IDcsHandler[] = EMPTY_HANDLERS;\n  private _ident: number = 0;\n  private _handlerFb: DcsFallbackHandlerType = () => { };\n  private _stack: ISubParserStackState = {\n    paused: false,\n    loopPosition: 0,\n    fallThrough: false\n  };\n\n  public dispose(): void {\n    this._handlers = Object.create(null);\n    this._handlerFb = () => { };\n    this._active = EMPTY_HANDLERS;\n  }\n\n  public registerHandler(ident: number, handler: IDcsHandler): IDisposable {\n    if (this._handlers[ident] === undefined) {\n      this._handlers[ident] = [];\n    }\n    const handlerList = this._handlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n\n  public clearHandler(ident: number): void {\n    if (this._handlers[ident]) delete this._handlers[ident];\n  }\n\n  public setHandlerFallback(handler: DcsFallbackHandlerType): void {\n    this._handlerFb = handler;\n  }\n\n  public reset(): void {\n    // force cleanup leftover handlers\n    if (this._active.length) {\n      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {\n        this._active[j].unhook(false);\n      }\n    }\n    this._stack.paused = false;\n    this._active = EMPTY_HANDLERS;\n    this._ident = 0;\n  }\n\n  public hook(ident: number, params: IParams): void {\n    // always reset leftover handlers\n    this.reset();\n    this._ident = ident;\n    this._active = this._handlers[ident] || EMPTY_HANDLERS;\n    if (!this._active.length) {\n      this._handlerFb(this._ident, 'HOOK', params);\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].hook(params);\n      }\n    }\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (!this._active.length) {\n      this._handlerFb(this._ident, 'PUT', utf32ToString(data, start, end));\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].put(data, start, end);\n      }\n    }\n  }\n\n  public unhook(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {\n    if (!this._active.length) {\n      this._handlerFb(this._ident, 'UNHOOK', success);\n    } else {\n      let handlerResult: boolean | Promise<boolean> = false;\n      let j = this._active.length - 1;\n      let fallThrough = false;\n      if (this._stack.paused) {\n        j = this._stack.loopPosition - 1;\n        handlerResult = promiseResult;\n        fallThrough = this._stack.fallThrough;\n        this._stack.paused = false;\n      }\n      if (!fallThrough && handlerResult === false) {\n        for (; j >= 0; j--) {\n          handlerResult = this._active[j].unhook(success);\n          if (handlerResult === true) {\n            break;\n          } else if (handlerResult instanceof Promise) {\n            this._stack.paused = true;\n            this._stack.loopPosition = j;\n            this._stack.fallThrough = false;\n            return handlerResult;\n          }\n        }\n        j--;\n      }\n      // cleanup left over handlers (fallThrough for async)\n      for (; j >= 0; j--) {\n        handlerResult = this._active[j].unhook(false);\n        if (handlerResult instanceof Promise) {\n          this._stack.paused = true;\n          this._stack.loopPosition = j;\n          this._stack.fallThrough = true;\n          return handlerResult;\n        }\n      }\n    }\n    this._active = EMPTY_HANDLERS;\n    this._ident = 0;\n  }\n}\n\n// predefine empty params as [0] (ZDM)\nconst EMPTY_PARAMS = new Params();\nEMPTY_PARAMS.addParam(0);\n\n/**\n * Convenient class to create a DCS handler from a single callback function.\n * Note: The payload is currently limited to 50 MB (hardcoded).\n */\nexport class DcsHandler implements IDcsHandler {\n  private _data = '';\n  private _params: IParams = EMPTY_PARAMS;\n  private _hitLimit: boolean = false;\n\n  constructor(private _handler: (data: string, params: IParams) => boolean | Promise<boolean>) { }\n\n  public hook(params: IParams): void {\n    // since we need to preserve params until `unhook`, we have to clone it\n    // (only borrowed from parser and spans multiple parser states)\n    // perf optimization:\n    // clone only, if we have non empty params, otherwise stick with default\n    this._params = (params.length > 1 || params.params[0]) ? params.clone() : EMPTY_PARAMS;\n    this._data = '';\n    this._hitLimit = false;\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._hitLimit) {\n      return;\n    }\n    this._data += utf32ToString(data, start, end);\n    if (this._data.length > PAYLOAD_LIMIT) {\n      this._data = '';\n      this._hitLimit = true;\n    }\n  }\n\n  public unhook(success: boolean): boolean | Promise<boolean> {\n    let ret: boolean | Promise<boolean> = false;\n    if (this._hitLimit) {\n      ret = false;\n    } else if (success) {\n      ret = this._handler(this._data, this._params);\n      if (ret instanceof Promise) {\n        // need to hold data and params until `ret` got resolved\n        // dont care for errors, data will be freed anyway on next start\n        return ret.then(res => {\n          this._params = EMPTY_PARAMS;\n          this._data = '';\n          this._hitLimit = false;\n          return res;\n        });\n      }\n    }\n    this._params = EMPTY_PARAMS;\n    this._data = '';\n    this._hitLimit = false;\n    return ret;\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType, IParserStackState, ParserStackType, ResumableHandlersType } from 'common/parser/Types';\nimport { ParserState, ParserAction } from 'common/parser/Constants';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IDisposable } from 'common/Types';\nimport { Params } from 'common/parser/Params';\nimport { OscParser } from 'common/parser/OscParser';\nimport { DcsParser } from 'common/parser/DcsParser';\n\n/**\n * Table values are generated like this:\n *    index:  currentState << TableValue.INDEX_STATE_SHIFT | charCode\n *    value:  action << TableValue.TRANSITION_ACTION_SHIFT | nextState\n */\nconst enum TableAccess {\n  TRANSITION_ACTION_SHIFT = 4,\n  TRANSITION_STATE_MASK = 15,\n  INDEX_STATE_SHIFT = 8\n}\n\n/**\n * Transition table for EscapeSequenceParser.\n */\nexport class TransitionTable {\n  public table: Uint8Array;\n\n  constructor(length: number) {\n    this.table = new Uint8Array(length);\n  }\n\n  /**\n   * Set default transition.\n   * @param action default action\n   * @param next default next state\n   */\n  public setDefault(action: ParserAction, next: ParserState): void {\n    this.table.fill(action << TableAccess.TRANSITION_ACTION_SHIFT | next);\n  }\n\n  /**\n   * Add a transition to the transition table.\n   * @param code input character code\n   * @param state current parser state\n   * @param action parser action to be done\n   * @param next next parser state\n   */\n  public add(code: number, state: ParserState, action: ParserAction, next: ParserState): void {\n    this.table[state << TableAccess.INDEX_STATE_SHIFT | code] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;\n  }\n\n  /**\n   * Add transitions for multiple input character codes.\n   * @param codes input character code array\n   * @param state current parser state\n   * @param action parser action to be done\n   * @param next next parser state\n   */\n  public addMany(codes: number[], state: ParserState, action: ParserAction, next: ParserState): void {\n    for (let i = 0; i < codes.length; i++) {\n      this.table[state << TableAccess.INDEX_STATE_SHIFT | codes[i]] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;\n    }\n  }\n}\n\n\n// Pseudo-character placeholder for printable non-ascii characters (unicode).\nconst NON_ASCII_PRINTABLE = 0xA0;\n\n\n/**\n * VT500 compatible transition table.\n * Taken from https://vt100.net/emu/dec_ansi_parser.\n */\nexport const VT500_TRANSITION_TABLE = (function (): TransitionTable {\n  const table: TransitionTable = new TransitionTable(4095);\n\n  // range macro for byte\n  const BYTE_VALUES = 256;\n  const blueprint = Array.apply(null, Array(BYTE_VALUES)).map((unused: any, i: number) => i);\n  const r = (start: number, end: number): number[] => blueprint.slice(start, end);\n\n  // Default definitions.\n  const PRINTABLES = r(0x20, 0x7f); // 0x20 (SP) included, 0x7F (DEL) excluded\n  const EXECUTABLES = r(0x00, 0x18);\n  EXECUTABLES.push(0x19);\n  EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));\n\n  const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);\n  let state: any;\n\n  // set default transition\n  table.setDefault(ParserAction.ERROR, ParserState.GROUND);\n  // printables\n  table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n  // global anywhere rules\n  for (state in states) {\n    table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator\n    table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE);  // ESC\n    table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING);  // OSC\n    table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n    table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY);  // CSI\n    table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY);  // DCS\n  }\n  // rules for executables and 7f\n  table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);\n  table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);\n  table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);\n  table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n  table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);\n  table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);\n  table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);\n  table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);\n  table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);\n  table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);\n  table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);\n  table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);\n  table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);\n  // osc\n  table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);\n  table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);\n  table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n  // sos/pm/apc does nothing\n  table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);\n  table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  // csi entries\n  table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x30, 0x3c), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);\n  table.addMany(r(0x30, 0x3c), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  // esc_intermediate\n  table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n  table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  // dcs entry\n  table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);\n  table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x30, 0x3c), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);\n  table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.addMany(r(0x30, 0x3c), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);\n  table.addMany([0x1b, 0x9c, 0x18, 0x1a], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);\n  // special handling of unicode chars\n  table.add(NON_ASCII_PRINTABLE, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n  table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.add(NON_ASCII_PRINTABLE, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  return table;\n})();\n\n\n/**\n * EscapeSequenceParser.\n * This class implements the ANSI/DEC compatible parser described by\n * Paul Williams (https://vt100.net/emu/dec_ansi_parser).\n *\n * To implement custom ANSI compliant escape sequences it is not needed to\n * alter this parser, instead consider registering a custom handler.\n * For non ANSI compliant sequences change the transition table with\n * the optional `transitions` constructor argument and\n * reimplement the `parse` method.\n *\n * This parser is currently hardcoded to operate in ZDM (Zero Default Mode)\n * as suggested by the original parser, thus empty parameters are set to 0.\n * This this is not in line with the latest ECMA-48 specification\n * (ZDM was part of the early specs and got completely removed later on).\n *\n * Other than the original parser from vt100.net this parser supports\n * sub parameters in digital parameters separated by colons. Empty sub parameters\n * are set to -1 (no ZDM for sub parameters).\n *\n * About prefix and intermediate bytes:\n * This parser follows the assumptions of the vt100.net parser with these restrictions:\n * - only one prefix byte is allowed as first parameter byte, byte range 0x3c .. 0x3f\n * - max. two intermediates are respected, byte range 0x20 .. 0x2f\n * Note that this is not in line with ECMA-48 which does not limit either of those.\n * Furthermore ECMA-48 allows the prefix byte range at any param byte position. Currently\n * there are no known sequences that follow the broader definition of the specification.\n *\n * TODO: implement error recovery hook via error handler return values\n */\nexport class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {\n  public initialState: number;\n  public currentState: number;\n  public precedingJoinState: number; // UnicodeJoinProperties\n\n  // buffers over several parse calls\n  protected _params: Params;\n  protected _collect: number;\n\n  // handler lookup containers\n  protected _printHandler: PrintHandlerType;\n  protected _executeHandlers: { [flag: number]: ExecuteHandlerType };\n  protected _csiHandlers: IHandlerCollection<CsiHandlerType>;\n  protected _escHandlers: IHandlerCollection<EscHandlerType>;\n  protected readonly _oscParser: IOscParser;\n  protected readonly _dcsParser: IDcsParser;\n  protected _errorHandler: (state: IParsingState) => IParsingState;\n\n  // fallback handlers\n  protected _printHandlerFb: PrintFallbackHandlerType;\n  protected _executeHandlerFb: ExecuteFallbackHandlerType;\n  protected _csiHandlerFb: CsiFallbackHandlerType;\n  protected _escHandlerFb: EscFallbackHandlerType;\n  protected _errorHandlerFb: (state: IParsingState) => IParsingState;\n\n  // parser stack save for async handler support\n  protected _parseStack: IParserStackState = {\n    state: ParserStackType.NONE,\n    handlers: [],\n    handlerPos: 0,\n    transition: 0,\n    chunkPos: 0\n  };\n\n  constructor(\n    protected readonly _transitions: TransitionTable = VT500_TRANSITION_TABLE\n  ) {\n    super();\n\n    this.initialState = ParserState.GROUND;\n    this.currentState = this.initialState;\n    this._params = new Params(); // defaults to 32 storable params/subparams\n    this._params.addParam(0);    // ZDM\n    this._collect = 0;\n    this.precedingJoinState = 0;\n\n    // set default fallback handlers and handler lookup containers\n    this._printHandlerFb = (data, start, end): void => { };\n    this._executeHandlerFb = (code: number): void => { };\n    this._csiHandlerFb = (ident: number, params: IParams): void => { };\n    this._escHandlerFb = (ident: number): void => { };\n    this._errorHandlerFb = (state: IParsingState): IParsingState => state;\n    this._printHandler = this._printHandlerFb;\n    this._executeHandlers = Object.create(null);\n    this._csiHandlers = Object.create(null);\n    this._escHandlers = Object.create(null);\n    this.register(toDisposable(() => {\n      this._csiHandlers = Object.create(null);\n      this._executeHandlers = Object.create(null);\n      this._escHandlers = Object.create(null);\n    }));\n    this._oscParser = this.register(new OscParser());\n    this._dcsParser = this.register(new DcsParser());\n    this._errorHandler = this._errorHandlerFb;\n\n    // swallow 7bit ST (ESC+\\)\n    this.registerEscHandler({ final: '\\\\' }, () => true);\n  }\n\n  protected _identifier(id: IFunctionIdentifier, finalRange: number[] = [0x40, 0x7e]): number {\n    let res = 0;\n    if (id.prefix) {\n      if (id.prefix.length > 1) {\n        throw new Error('only one byte as prefix supported');\n      }\n      res = id.prefix.charCodeAt(0);\n      if (res && 0x3c > res || res > 0x3f) {\n        throw new Error('prefix must be in range 0x3c .. 0x3f');\n      }\n    }\n    if (id.intermediates) {\n      if (id.intermediates.length > 2) {\n        throw new Error('only two bytes as intermediates are supported');\n      }\n      for (let i = 0; i < id.intermediates.length; ++i) {\n        const intermediate = id.intermediates.charCodeAt(i);\n        if (0x20 > intermediate || intermediate > 0x2f) {\n          throw new Error('intermediate must be in range 0x20 .. 0x2f');\n        }\n        res <<= 8;\n        res |= intermediate;\n      }\n    }\n    if (id.final.length !== 1) {\n      throw new Error('final must be a single byte');\n    }\n    const finalCode = id.final.charCodeAt(0);\n    if (finalRange[0] > finalCode || finalCode > finalRange[1]) {\n      throw new Error(`final must be in range ${finalRange[0]} .. ${finalRange[1]}`);\n    }\n    res <<= 8;\n    res |= finalCode;\n\n    return res;\n  }\n\n  public identToString(ident: number): string {\n    const res: string[] = [];\n    while (ident) {\n      res.push(String.fromCharCode(ident & 0xFF));\n      ident >>= 8;\n    }\n    return res.reverse().join('');\n  }\n\n  public setPrintHandler(handler: PrintHandlerType): void {\n    this._printHandler = handler;\n  }\n  public clearPrintHandler(): void {\n    this._printHandler = this._printHandlerFb;\n  }\n\n  public registerEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable {\n    const ident = this._identifier(id, [0x30, 0x7e]);\n    if (this._escHandlers[ident] === undefined) {\n      this._escHandlers[ident] = [];\n    }\n    const handlerList = this._escHandlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n  public clearEscHandler(id: IFunctionIdentifier): void {\n    if (this._escHandlers[this._identifier(id, [0x30, 0x7e])]) delete this._escHandlers[this._identifier(id, [0x30, 0x7e])];\n  }\n  public setEscHandlerFallback(handler: EscFallbackHandlerType): void {\n    this._escHandlerFb = handler;\n  }\n\n  public setExecuteHandler(flag: string, handler: ExecuteHandlerType): void {\n    this._executeHandlers[flag.charCodeAt(0)] = handler;\n  }\n  public clearExecuteHandler(flag: string): void {\n    if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];\n  }\n  public setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void {\n    this._executeHandlerFb = handler;\n  }\n\n  public registerCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable {\n    const ident = this._identifier(id);\n    if (this._csiHandlers[ident] === undefined) {\n      this._csiHandlers[ident] = [];\n    }\n    const handlerList = this._csiHandlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n  public clearCsiHandler(id: IFunctionIdentifier): void {\n    if (this._csiHandlers[this._identifier(id)]) delete this._csiHandlers[this._identifier(id)];\n  }\n  public setCsiHandlerFallback(callback: (ident: number, params: IParams) => void): void {\n    this._csiHandlerFb = callback;\n  }\n\n  public registerDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable {\n    return this._dcsParser.registerHandler(this._identifier(id), handler);\n  }\n  public clearDcsHandler(id: IFunctionIdentifier): void {\n    this._dcsParser.clearHandler(this._identifier(id));\n  }\n  public setDcsHandlerFallback(handler: DcsFallbackHandlerType): void {\n    this._dcsParser.setHandlerFallback(handler);\n  }\n\n  public registerOscHandler(ident: number, handler: IOscHandler): IDisposable {\n    return this._oscParser.registerHandler(ident, handler);\n  }\n  public clearOscHandler(ident: number): void {\n    this._oscParser.clearHandler(ident);\n  }\n  public setOscHandlerFallback(handler: OscFallbackHandlerType): void {\n    this._oscParser.setHandlerFallback(handler);\n  }\n\n  public setErrorHandler(callback: (state: IParsingState) => IParsingState): void {\n    this._errorHandler = callback;\n  }\n  public clearErrorHandler(): void {\n    this._errorHandler = this._errorHandlerFb;\n  }\n\n  /**\n   * Reset parser to initial values.\n   *\n   * This can also be used to lift the improper continuation error condition\n   * when dealing with async handlers. Use this only as a last resort to silence\n   * that error when the terminal has no pending data to be processed. Note that\n   * the interrupted async handler might continue its work in the future messing\n   * up the terminal state even further.\n   */\n  public reset(): void {\n    this.currentState = this.initialState;\n    this._oscParser.reset();\n    this._dcsParser.reset();\n    this._params.reset();\n    this._params.addParam(0); // ZDM\n    this._collect = 0;\n    this.precedingJoinState = 0;\n    // abort pending continuation from async handler\n    // Here the RESET type indicates, that the next parse call will\n    // ignore any saved stack, instead continues sync with next codepoint from GROUND\n    if (this._parseStack.state !== ParserStackType.NONE) {\n      this._parseStack.state = ParserStackType.RESET;\n      this._parseStack.handlers = []; // also release handlers ref\n    }\n  }\n\n  /**\n   * Async parse support.\n   */\n  protected _preserveStack(\n    state: ParserStackType,\n    handlers: ResumableHandlersType,\n    handlerPos: number,\n    transition: number,\n    chunkPos: number\n  ): void {\n    this._parseStack.state = state;\n    this._parseStack.handlers = handlers;\n    this._parseStack.handlerPos = handlerPos;\n    this._parseStack.transition = transition;\n    this._parseStack.chunkPos = chunkPos;\n  }\n\n  /**\n   * Parse UTF32 codepoints in `data` up to `length`.\n   *\n   * Note: For several actions with high data load the parsing is optimized\n   * by using local read ahead loops with hardcoded conditions to\n   * avoid costly table lookups. Make sure that any change of table values\n   * will be reflected in the loop conditions as well and vice versa.\n   * Affected states/actions:\n   * - GROUND:PRINT\n   * - CSI_PARAM:PARAM\n   * - DCS_PARAM:PARAM\n   * - OSC_STRING:OSC_PUT\n   * - DCS_PASSTHROUGH:DCS_PUT\n   *\n   * Note on asynchronous handler support:\n   * Any handler returning a promise will be treated as asynchronous.\n   * To keep the in-band blocking working for async handlers, `parse` pauses execution,\n   * creates a stack save and returns the promise to the caller.\n   * For proper continuation of the paused state it is important\n   * to await the promise resolving. On resolve the parse must be repeated\n   * with the same chunk of data and the resolved value in `promiseResult`\n   * until no promise is returned.\n   *\n   * Important: With only sync handlers defined, parsing is completely synchronous as well.\n   * As soon as an async handler is involved, synchronous parsing is not possible anymore.\n   *\n   * Boilerplate for proper parsing of multiple chunks with async handlers:\n   *\n   * ```typescript\n   * async function parseMultipleChunks(chunks: Uint32Array[]): Promise<void> {\n   *   for (const chunk of chunks) {\n   *     let result: void | Promise<boolean>;\n   *     let prev: boolean | undefined;\n   *     while (result = parser.parse(chunk, chunk.length, prev)) {\n   *       prev = await result;\n   *     }\n   *   }\n   *   // finished parsing all chunks...\n   * }\n   * ```\n   */\n  public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise<boolean> {\n    let code = 0;\n    let transition = 0;\n    let start = 0;\n    let handlerResult: void | boolean | Promise<boolean>;\n\n    // resume from async handler\n    if (this._parseStack.state) {\n      // allow sync parser reset even in continuation mode\n      // Note: can be used to recover parser from improper continuation error below\n      if (this._parseStack.state === ParserStackType.RESET) {\n        this._parseStack.state = ParserStackType.NONE;\n        start = this._parseStack.chunkPos + 1; // continue with next codepoint in GROUND\n      } else {\n        if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) {\n          /**\n           * Reject further parsing on improper continuation after pausing. This is a really bad\n           * condition with screwed up execution order and prolly messed up terminal state,\n           * therefore we exit hard with an exception and reject any further parsing.\n           *\n           * Note: With `Terminal.write` usage this exception should never occur, as the top level\n           * calls are guaranteed to handle async conditions properly. If you ever encounter this\n           * exception in your terminal integration it indicates, that you injected data chunks to\n           * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for\n           * continuation of a running async handler.\n           *\n           * It is possible to get rid of this error by calling `reset`. But dont rely on that, as\n           * the pending async handler still might mess up the terminal later. Instead fix the\n           * faulty async handling, so this error will not be thrown anymore.\n           */\n          this._parseStack.state = ParserStackType.FAIL;\n          throw new Error('improper continuation due to previous async handler, giving up parsing');\n        }\n\n        // we have to resume the old handler loop if:\n        // - return value of the promise was `false`\n        // - handlers are not exhausted yet\n        const handlers = this._parseStack.handlers;\n        let handlerPos = this._parseStack.handlerPos - 1;\n        switch (this._parseStack.state) {\n          case ParserStackType.CSI:\n            if (promiseResult === false && handlerPos > -1) {\n              for (; handlerPos >= 0; handlerPos--) {\n                handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params);\n                if (handlerResult === true) {\n                  break;\n                } else if (handlerResult instanceof Promise) {\n                  this._parseStack.handlerPos = handlerPos;\n                  return handlerResult;\n                }\n              }\n            }\n            this._parseStack.handlers = [];\n            break;\n          case ParserStackType.ESC:\n            if (promiseResult === false && handlerPos > -1) {\n              for (; handlerPos >= 0; handlerPos--) {\n                handlerResult = (handlers as EscHandlerType[])[handlerPos]();\n                if (handlerResult === true) {\n                  break;\n                } else if (handlerResult instanceof Promise) {\n                  this._parseStack.handlerPos = handlerPos;\n                  return handlerResult;\n                }\n              }\n            }\n            this._parseStack.handlers = [];\n            break;\n          case ParserStackType.DCS:\n            code = data[this._parseStack.chunkPos];\n            handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult);\n            if (handlerResult) {\n              return handlerResult;\n            }\n            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;\n            this._params.reset();\n            this._params.addParam(0); // ZDM\n            this._collect = 0;\n            break;\n          case ParserStackType.OSC:\n            code = data[this._parseStack.chunkPos];\n            handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult);\n            if (handlerResult) {\n              return handlerResult;\n            }\n            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;\n            this._params.reset();\n            this._params.addParam(0); // ZDM\n            this._collect = 0;\n            break;\n        }\n        // cleanup before continuing with the main sync loop\n        this._parseStack.state = ParserStackType.NONE;\n        start = this._parseStack.chunkPos + 1;\n        this.precedingJoinState = 0;\n        this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK;\n      }\n    }\n\n    // continue with main sync loop\n\n    // process input string\n    for (let i = start; i < length; ++i) {\n      code = data[i];\n\n      // normal transition & action lookup\n      transition = this._transitions.table[this.currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];\n      switch (transition >> TableAccess.TRANSITION_ACTION_SHIFT) {\n        case ParserAction.PRINT:\n          // read ahead with loop unrolling\n          // Note: 0x20 (SP) is included, 0x7F (DEL) is excluded\n          for (let j = i + 1; ; ++j) {\n            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n          }\n          break;\n        case ParserAction.EXECUTE:\n          if (this._executeHandlers[code]) this._executeHandlers[code]();\n          else this._executeHandlerFb(code);\n          this.precedingJoinState = 0;\n          break;\n        case ParserAction.IGNORE:\n          break;\n        case ParserAction.ERROR:\n          const inject: IParsingState = this._errorHandler(\n            {\n              position: i,\n              code,\n              currentState: this.currentState,\n              collect: this._collect,\n              params: this._params,\n              abort: false\n            });\n          if (inject.abort) return;\n          // inject values: currently not implemented\n          break;\n        case ParserAction.CSI_DISPATCH:\n          // Trigger CSI Handler\n          const handlers = this._csiHandlers[this._collect << 8 | code];\n          let j = handlers ? handlers.length - 1 : -1;\n          for (; j >= 0; j--) {\n            // true means success and to stop bubbling\n            // a promise indicates an async handler that needs to finish before progressing\n            handlerResult = handlers[j](this._params);\n            if (handlerResult === true) {\n              break;\n            } else if (handlerResult instanceof Promise) {\n              this._preserveStack(ParserStackType.CSI, handlers, j, transition, i);\n              return handlerResult;\n            }\n          }\n          if (j < 0) {\n            this._csiHandlerFb(this._collect << 8 | code, this._params);\n          }\n          this.precedingJoinState = 0;\n          break;\n        case ParserAction.PARAM:\n          // inner loop: digits (0x30 - 0x39) and ; (0x3b) and : (0x3a)\n          do {\n            switch (code) {\n              case 0x3b:\n                this._params.addParam(0);  // ZDM\n                break;\n              case 0x3a:\n                this._params.addSubParam(-1);\n                break;\n              default:  // 0x30 - 0x39\n                this._params.addDigit(code - 48);\n            }\n          } while (++i < length && (code = data[i]) > 0x2f && code < 0x3c);\n          i--;\n          break;\n        case ParserAction.COLLECT:\n          this._collect <<= 8;\n          this._collect |= code;\n          break;\n        case ParserAction.ESC_DISPATCH:\n          const handlersEsc = this._escHandlers[this._collect << 8 | code];\n          let jj = handlersEsc ? handlersEsc.length - 1 : -1;\n          for (; jj >= 0; jj--) {\n            // true means success and to stop bubbling\n            // a promise indicates an async handler that needs to finish before progressing\n            handlerResult = handlersEsc[jj]();\n            if (handlerResult === true) {\n              break;\n            } else if (handlerResult instanceof Promise) {\n              this._preserveStack(ParserStackType.ESC, handlersEsc, jj, transition, i);\n              return handlerResult;\n            }\n          }\n          if (jj < 0) {\n            this._escHandlerFb(this._collect << 8 | code);\n          }\n          this.precedingJoinState = 0;\n          break;\n        case ParserAction.CLEAR:\n          this._params.reset();\n          this._params.addParam(0); // ZDM\n          this._collect = 0;\n          break;\n        case ParserAction.DCS_HOOK:\n          this._dcsParser.hook(this._collect << 8 | code, this._params);\n          break;\n        case ParserAction.DCS_PUT:\n          // inner loop - exit DCS_PUT: 0x18, 0x1a, 0x1b, 0x7f, 0x80 - 0x9f\n          // unhook triggered by: 0x1b, 0x9c (success) and 0x18, 0x1a (abort)\n          for (let j = i + 1; ; ++j) {\n            if (j >= length || (code = data[j]) === 0x18 || code === 0x1a || code === 0x1b || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {\n              this._dcsParser.put(data, i, j);\n              i = j - 1;\n              break;\n            }\n          }\n          break;\n        case ParserAction.DCS_UNHOOK:\n          handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a);\n          if (handlerResult) {\n            this._preserveStack(ParserStackType.DCS, [], 0, transition, i);\n            return handlerResult;\n          }\n          if (code === 0x1b) transition |= ParserState.ESCAPE;\n          this._params.reset();\n          this._params.addParam(0); // ZDM\n          this._collect = 0;\n          this.precedingJoinState = 0;\n          break;\n        case ParserAction.OSC_START:\n          this._oscParser.start();\n          break;\n        case ParserAction.OSC_PUT:\n          // inner loop: 0x20 (SP) included, 0x7F (DEL) included\n          for (let j = i + 1; ; j++) {\n            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {\n              this._oscParser.put(data, i, j);\n              i = j - 1;\n              break;\n            }\n          }\n          break;\n        case ParserAction.OSC_END:\n          handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a);\n          if (handlerResult) {\n            this._preserveStack(ParserStackType.OSC, [], 0, transition, i);\n            return handlerResult;\n          }\n          if (code === 0x1b) transition |= ParserState.ESCAPE;\n          this._params.reset();\n          this._params.addParam(0); // ZDM\n          this._collect = 0;\n          this.precedingJoinState = 0;\n          break;\n      }\n      this.currentState = transition & TableAccess.TRANSITION_STATE_MASK;\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser, ISubParserStackState } from 'common/parser/Types';\nimport { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants';\nimport { utf32ToString } from 'common/input/TextDecoder';\nimport { IDisposable } from 'common/Types';\n\nconst EMPTY_HANDLERS: IOscHandler[] = [];\n\nexport class OscParser implements IOscParser {\n  private _state = OscState.START;\n  private _active = EMPTY_HANDLERS;\n  private _id = -1;\n  private _handlers: IHandlerCollection<IOscHandler> = Object.create(null);\n  private _handlerFb: OscFallbackHandlerType = () => { };\n  private _stack: ISubParserStackState = {\n    paused: false,\n    loopPosition: 0,\n    fallThrough: false\n  };\n\n  public registerHandler(ident: number, handler: IOscHandler): IDisposable {\n    if (this._handlers[ident] === undefined) {\n      this._handlers[ident] = [];\n    }\n    const handlerList = this._handlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n  public clearHandler(ident: number): void {\n    if (this._handlers[ident]) delete this._handlers[ident];\n  }\n  public setHandlerFallback(handler: OscFallbackHandlerType): void {\n    this._handlerFb = handler;\n  }\n\n  public dispose(): void {\n    this._handlers = Object.create(null);\n    this._handlerFb = () => { };\n    this._active = EMPTY_HANDLERS;\n  }\n\n  public reset(): void {\n    // force cleanup handlers if payload was already sent\n    if (this._state === OscState.PAYLOAD) {\n      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {\n        this._active[j].end(false);\n      }\n    }\n    this._stack.paused = false;\n    this._active = EMPTY_HANDLERS;\n    this._id = -1;\n    this._state = OscState.START;\n  }\n\n  private _start(): void {\n    this._active = this._handlers[this._id] || EMPTY_HANDLERS;\n    if (!this._active.length) {\n      this._handlerFb(this._id, 'START');\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].start();\n      }\n    }\n  }\n\n  private _put(data: Uint32Array, start: number, end: number): void {\n    if (!this._active.length) {\n      this._handlerFb(this._id, 'PUT', utf32ToString(data, start, end));\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].put(data, start, end);\n      }\n    }\n  }\n\n  public start(): void {\n    // always reset leftover handlers\n    this.reset();\n    this._state = OscState.ID;\n  }\n\n  /**\n   * Put data to current OSC command.\n   * Expects the identifier of the OSC command in the form\n   * OSC id ; payload ST/BEL\n   * Payload chunks are not further processed and get\n   * directly passed to the handlers.\n   */\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._state === OscState.ABORT) {\n      return;\n    }\n    if (this._state === OscState.ID) {\n      while (start < end) {\n        const code = data[start++];\n        if (code === 0x3b) {\n          this._state = OscState.PAYLOAD;\n          this._start();\n          break;\n        }\n        if (code < 0x30 || 0x39 < code) {\n          this._state = OscState.ABORT;\n          return;\n        }\n        if (this._id === -1) {\n          this._id = 0;\n        }\n        this._id = this._id * 10 + code - 48;\n      }\n    }\n    if (this._state === OscState.PAYLOAD && end - start > 0) {\n      this._put(data, start, end);\n    }\n  }\n\n  /**\n   * Indicates end of an OSC command.\n   * Whether the OSC got aborted or finished normally\n   * is indicated by `success`.\n   */\n  public end(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {\n    if (this._state === OscState.START) {\n      return;\n    }\n    // do nothing if command was faulty\n    if (this._state !== OscState.ABORT) {\n      // if we are still in ID state and get an early end\n      // means that the command has no payload thus we still have\n      // to announce START and send END right after\n      if (this._state === OscState.ID) {\n        this._start();\n      }\n\n      if (!this._active.length) {\n        this._handlerFb(this._id, 'END', success);\n      } else {\n        let handlerResult: boolean | Promise<boolean> = false;\n        let j = this._active.length - 1;\n        let fallThrough = false;\n        if (this._stack.paused) {\n          j = this._stack.loopPosition - 1;\n          handlerResult = promiseResult;\n          fallThrough = this._stack.fallThrough;\n          this._stack.paused = false;\n        }\n        if (!fallThrough && handlerResult === false) {\n          for (; j >= 0; j--) {\n            handlerResult = this._active[j].end(success);\n            if (handlerResult === true) {\n              break;\n            } else if (handlerResult instanceof Promise) {\n              this._stack.paused = true;\n              this._stack.loopPosition = j;\n              this._stack.fallThrough = false;\n              return handlerResult;\n            }\n          }\n          j--;\n        }\n        // cleanup left over handlers\n        // we always have to call .end for proper cleanup,\n        // here we use `success` to indicate whether a handler should execute\n        for (; j >= 0; j--) {\n          handlerResult = this._active[j].end(false);\n          if (handlerResult instanceof Promise) {\n            this._stack.paused = true;\n            this._stack.loopPosition = j;\n            this._stack.fallThrough = true;\n            return handlerResult;\n          }\n        }\n      }\n\n    }\n    this._active = EMPTY_HANDLERS;\n    this._id = -1;\n    this._state = OscState.START;\n  }\n}\n\n/**\n * Convenient class to allow attaching string based handler functions\n * as OSC handlers.\n */\nexport class OscHandler implements IOscHandler {\n  private _data = '';\n  private _hitLimit: boolean = false;\n\n  constructor(private _handler: (data: string) => boolean | Promise<boolean>) { }\n\n  public start(): void {\n    this._data = '';\n    this._hitLimit = false;\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._hitLimit) {\n      return;\n    }\n    this._data += utf32ToString(data, start, end);\n    if (this._data.length > PAYLOAD_LIMIT) {\n      this._data = '';\n      this._hitLimit = true;\n    }\n  }\n\n  public end(success: boolean): boolean | Promise<boolean> {\n    let ret: boolean | Promise<boolean> = false;\n    if (this._hitLimit) {\n      ret = false;\n    } else if (success) {\n      ret = this._handler(this._data);\n      if (ret instanceof Promise) {\n        // need to hold data until `ret` got resolved\n        // dont care for errors, data will be freed anyway on next start\n        return ret.then(res => {\n          this._data = '';\n          this._hitLimit = false;\n          return res;\n        });\n      }\n    }\n    this._data = '';\n    this._hitLimit = false;\n    return ret;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IParams, ParamsArray } from 'common/parser/Types';\n\n// max value supported for a single param/subparam (clamped to positive int32 range)\nconst MAX_VALUE = 0x7FFFFFFF;\n// max allowed subparams for a single sequence (hardcoded limitation)\nconst MAX_SUBPARAMS = 256;\n\n/**\n * Params storage class.\n * This type is used by the parser to accumulate sequence parameters and sub parameters\n * and transmit them to the input handler actions.\n *\n * NOTES:\n *  - params object for action handlers is borrowed, use `.toArray` or `.clone` to get a copy\n *  - never read beyond `params.length - 1` (likely to contain arbitrary data)\n *  - `.getSubParams` returns a borrowed typed array, use `.getSubParamsAll` for cloned sub params\n *  - hardcoded limitations:\n *    - max. value for a single (sub) param is 2^31 - 1 (greater values are clamped to that)\n *    - max. 256 sub params possible\n *    - negative values are not allowed beside -1 (placeholder for default value)\n *\n * About ZDM (Zero Default Mode):\n * ZDM is not orchestrated by this class. If the parser is in ZDM,\n * it should add 0 for empty params, otherwise -1. This does not apply\n * to subparams, empty subparams should always be added with -1.\n */\nexport class Params implements IParams {\n  // params store and length\n  public params: Int32Array;\n  public length: number;\n\n  // sub params store and length\n  protected _subParams: Int32Array;\n  protected _subParamsLength: number;\n\n  // sub params offsets from param: param idx --> [start, end] offset\n  private _subParamsIdx: Uint16Array;\n  private _rejectDigits: boolean;\n  private _rejectSubDigits: boolean;\n  private _digitIsSub: boolean;\n\n  /**\n   * Create a `Params` type from JS array representation.\n   */\n  public static fromArray(values: ParamsArray): Params {\n    const params = new Params();\n    if (!values.length) {\n      return params;\n    }\n    // skip leading sub params\n    for (let i = (Array.isArray(values[0])) ? 1 : 0; i < values.length; ++i) {\n      const value = values[i];\n      if (Array.isArray(value)) {\n        for (let k = 0; k < value.length; ++k) {\n          params.addSubParam(value[k]);\n        }\n      } else {\n        params.addParam(value);\n      }\n    }\n    return params;\n  }\n\n  /**\n   * @param maxLength max length of storable parameters\n   * @param maxSubParamsLength max length of storable sub parameters\n   */\n  constructor(public maxLength: number = 32, public maxSubParamsLength: number = 32) {\n    if (maxSubParamsLength > MAX_SUBPARAMS) {\n      throw new Error('maxSubParamsLength must not be greater than 256');\n    }\n    this.params = new Int32Array(maxLength);\n    this.length = 0;\n    this._subParams = new Int32Array(maxSubParamsLength);\n    this._subParamsLength = 0;\n    this._subParamsIdx = new Uint16Array(maxLength);\n    this._rejectDigits = false;\n    this._rejectSubDigits = false;\n    this._digitIsSub = false;\n  }\n\n  /**\n   * Clone object.\n   */\n  public clone(): Params {\n    const newParams = new Params(this.maxLength, this.maxSubParamsLength);\n    newParams.params.set(this.params);\n    newParams.length = this.length;\n    newParams._subParams.set(this._subParams);\n    newParams._subParamsLength = this._subParamsLength;\n    newParams._subParamsIdx.set(this._subParamsIdx);\n    newParams._rejectDigits = this._rejectDigits;\n    newParams._rejectSubDigits = this._rejectSubDigits;\n    newParams._digitIsSub = this._digitIsSub;\n    return newParams;\n  }\n\n  /**\n   * Get a JS array representation of the current parameters and sub parameters.\n   * The array is structured as follows:\n   *    sequence: \"1;2:3:4;5::6\"\n   *    array   : [1, 2, [3, 4], 5, [-1, 6]]\n   */\n  public toArray(): ParamsArray {\n    const res: ParamsArray = [];\n    for (let i = 0; i < this.length; ++i) {\n      res.push(this.params[i]);\n      const start = this._subParamsIdx[i] >> 8;\n      const end = this._subParamsIdx[i] & 0xFF;\n      if (end - start > 0) {\n        res.push(Array.prototype.slice.call(this._subParams, start, end));\n      }\n    }\n    return res;\n  }\n\n  /**\n   * Reset to initial empty state.\n   */\n  public reset(): void {\n    this.length = 0;\n    this._subParamsLength = 0;\n    this._rejectDigits = false;\n    this._rejectSubDigits = false;\n    this._digitIsSub = false;\n  }\n\n  /**\n   * Add a parameter value.\n   * `Params` only stores up to `maxLength` parameters, any later\n   * parameter will be ignored.\n   * Note: VT devices only stored up to 16 values, xterm seems to\n   * store up to 30.\n   */\n  public addParam(value: number): void {\n    this._digitIsSub = false;\n    if (this.length >= this.maxLength) {\n      this._rejectDigits = true;\n      return;\n    }\n    if (value < -1) {\n      throw new Error('values lesser than -1 are not allowed');\n    }\n    this._subParamsIdx[this.length] = this._subParamsLength << 8 | this._subParamsLength;\n    this.params[this.length++] = value > MAX_VALUE ? MAX_VALUE : value;\n  }\n\n  /**\n   * Add a sub parameter value.\n   * The sub parameter is automatically associated with the last parameter value.\n   * Thus it is not possible to add a subparameter without any parameter added yet.\n   * `Params` only stores up to `subParamsLength` sub parameters, any later\n   * sub parameter will be ignored.\n   */\n  public addSubParam(value: number): void {\n    this._digitIsSub = true;\n    if (!this.length) {\n      return;\n    }\n    if (this._rejectDigits || this._subParamsLength >= this.maxSubParamsLength) {\n      this._rejectSubDigits = true;\n      return;\n    }\n    if (value < -1) {\n      throw new Error('values lesser than -1 are not allowed');\n    }\n    this._subParams[this._subParamsLength++] = value > MAX_VALUE ? MAX_VALUE : value;\n    this._subParamsIdx[this.length - 1]++;\n  }\n\n  /**\n   * Whether parameter at index `idx` has sub parameters.\n   */\n  public hasSubParams(idx: number): boolean {\n    return ((this._subParamsIdx[idx] & 0xFF) - (this._subParamsIdx[idx] >> 8) > 0);\n  }\n\n  /**\n   * Return sub parameters for parameter at index `idx`.\n   * Note: The values are borrowed, thus you need to copy\n   * the values if you need to hold them in nonlocal scope.\n   */\n  public getSubParams(idx: number): Int32Array | null {\n    const start = this._subParamsIdx[idx] >> 8;\n    const end = this._subParamsIdx[idx] & 0xFF;\n    if (end - start > 0) {\n      return this._subParams.subarray(start, end);\n    }\n    return null;\n  }\n\n  /**\n   * Return all sub parameters as {idx: subparams} mapping.\n   * Note: The values are not borrowed.\n   */\n  public getSubParamsAll(): {[idx: number]: Int32Array} {\n    const result: {[idx: number]: Int32Array} = {};\n    for (let i = 0; i < this.length; ++i) {\n      const start = this._subParamsIdx[i] >> 8;\n      const end = this._subParamsIdx[i] & 0xFF;\n      if (end - start > 0) {\n        result[i] = this._subParams.slice(start, end);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Add a single digit value to current parameter.\n   * This is used by the parser to account digits on a char by char basis.\n   */\n  public addDigit(value: number): void {\n    let length;\n    if (this._rejectDigits\n      || !(length = this._digitIsSub ? this._subParamsLength : this.length)\n      || (this._digitIsSub && this._rejectSubDigits)\n    ) {\n      return;\n    }\n\n    const store = this._digitIsSub ? this._subParams : this.params;\n    const cur = store[length - 1];\n    store[length - 1] = ~cur ? Math.min(cur * 10 + value, MAX_VALUE) : value;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminalAddon, IDisposable, Terminal } from '@xterm/xterm';\n\nexport interface ILoadedAddon {\n  instance: ITerminalAddon;\n  dispose: () => void;\n  isDisposed: boolean;\n}\n\nexport class AddonManager implements IDisposable {\n  protected _addons: ILoadedAddon[] = [];\n\n  public dispose(): void {\n    for (let i = this._addons.length - 1; i >= 0; i--) {\n      this._addons[i].instance.dispose();\n    }\n  }\n\n  public loadAddon(terminal: Terminal, instance: ITerminalAddon): void {\n    const loadedAddon: ILoadedAddon = {\n      instance,\n      dispose: instance.dispose,\n      isDisposed: false\n    };\n    this._addons.push(loadedAddon);\n    instance.dispose = () => this._wrappedAddonDispose(loadedAddon);\n    instance.activate(terminal as any);\n  }\n\n  private _wrappedAddonDispose(loadedAddon: ILoadedAddon): void {\n    if (loadedAddon.isDisposed) {\n      // Do nothing if already disposed\n      return;\n    }\n    let index = -1;\n    for (let i = 0; i < this._addons.length; i++) {\n      if (this._addons[i] === loadedAddon) {\n        index = i;\n        break;\n      }\n    }\n    if (index === -1) {\n      throw new Error('Could not dispose an addon that has not been loaded');\n    }\n    loadedAddon.isDisposed = true;\n    loadedAddon.dispose.apply(loadedAddon.instance);\n    this._addons.splice(index, 1);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBuffer as IBufferApi, IBufferLine as IBufferLineApi, IBufferCell as IBufferCellApi } from '@xterm/xterm';\nimport { IBuffer } from 'common/buffer/Types';\nimport { BufferLineApiView } from 'common/public/BufferLineApiView';\nimport { CellData } from 'common/buffer/CellData';\n\nexport class BufferApiView implements IBufferApi {\n  constructor(\n    private _buffer: IBuffer,\n    public readonly type: 'normal' | 'alternate'\n  ) { }\n\n  public init(buffer: IBuffer): BufferApiView {\n    this._buffer = buffer;\n    return this;\n  }\n\n  public get cursorY(): number { return this._buffer.y; }\n  public get cursorX(): number { return this._buffer.x; }\n  public get viewportY(): number { return this._buffer.ydisp; }\n  public get baseY(): number { return this._buffer.ybase; }\n  public get length(): number { return this._buffer.lines.length; }\n  public getLine(y: number): IBufferLineApi | undefined {\n    const line = this._buffer.lines.get(y);\n    if (!line) {\n      return undefined;\n    }\n    return new BufferLineApiView(line);\n  }\n  public getNullCell(): IBufferCellApi { return new CellData(); }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferLine, ICellData } from 'common/Types';\nimport { IBufferCell as IBufferCellApi, IBufferLine as IBufferLineApi } from '@xterm/xterm';\n\nexport class BufferLineApiView implements IBufferLineApi {\n  constructor(private _line: IBufferLine) { }\n\n  public get isWrapped(): boolean { return this._line.isWrapped; }\n  public get length(): number { return this._line.length; }\n  public getCell(x: number, cell?: IBufferCellApi): IBufferCellApi | undefined {\n    if (x < 0 || x >= this._line.length) {\n      return undefined;\n    }\n\n    if (cell) {\n      this._line.loadCell(x, cell as ICellData);\n      return cell;\n    }\n    return this._line.loadCell(x, new CellData());\n  }\n  public translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string {\n    return this._line.translateToString(trimRight, startColumn, endColumn);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBuffer as IBufferApi, IBufferNamespace as IBufferNamespaceApi } from '@xterm/xterm';\nimport { BufferApiView } from 'common/public/BufferApiView';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { ICoreTerminal } from 'common/Types';\nimport { Disposable } from 'common/Lifecycle';\n\nexport class BufferNamespaceApi extends Disposable implements IBufferNamespaceApi {\n  private _normal: BufferApiView;\n  private _alternate: BufferApiView;\n\n  private readonly _onBufferChange = this.register(new EventEmitter<IBufferApi>());\n  public readonly onBufferChange = this._onBufferChange.event;\n\n  constructor(private _core: ICoreTerminal) {\n    super();\n    this._normal = new BufferApiView(this._core.buffers.normal, 'normal');\n    this._alternate = new BufferApiView(this._core.buffers.alt, 'alternate');\n    this._core.buffers.onBufferActivate(() => this._onBufferChange.fire(this.active));\n  }\n  public get active(): IBufferApi {\n    if (this._core.buffers.active === this._core.buffers.normal) { return this.normal; }\n    if (this._core.buffers.active === this._core.buffers.alt) { return this.alternate; }\n    throw new Error('Active buffer is neither normal nor alternate');\n  }\n  public get normal(): IBufferApi {\n    return this._normal.init(this._core.buffers.normal);\n  }\n  public get alternate(): IBufferApi {\n    return this._alternate.init(this._core.buffers.alt);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IParams } from 'common/parser/Types';\nimport { IDisposable, IFunctionIdentifier, IParser } from '@xterm/xterm';\nimport { ICoreTerminal } from 'common/Types';\n\nexport class ParserApi implements IParser {\n  constructor(private _core: ICoreTerminal) { }\n\n  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerCsiHandler(id, (params: IParams) => callback(params.toArray()));\n  }\n  public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this.registerCsiHandler(id, callback);\n  }\n  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray()));\n  }\n  public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this.registerDcsHandler(id, callback);\n  }\n  public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerEscHandler(id, handler);\n  }\n  public addEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {\n    return this.registerEscHandler(id, handler);\n  }\n  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerOscHandler(ident, callback);\n  }\n  public addOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this.registerOscHandler(ident, callback);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICoreTerminal } from 'common/Types';\nimport { IUnicodeHandling, IUnicodeVersionProvider } from '@xterm/xterm';\n\nexport class UnicodeApi implements IUnicodeHandling {\n  constructor(private _core: ICoreTerminal) { }\n\n  public register(provider: IUnicodeVersionProvider): void {\n    this._core.unicodeService.register(provider);\n  }\n\n  public get versions(): string[] {\n    return this._core.unicodeService.versions;\n  }\n\n  public get activeVersion(): string {\n    return this._core.unicodeService.activeVersion;\n  }\n\n  public set activeVersion(version: string) {\n    this._core.unicodeService.activeVersion = version;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IAttributeData, IBufferLine, ScrollSource } from 'common/Types';\nimport { BufferSet } from 'common/buffer/BufferSet';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nexport const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars\nexport const MINIMUM_ROWS = 1;\n\nexport class BufferService extends Disposable implements IBufferService {\n  public serviceBrand: any;\n\n  public cols: number;\n  public rows: number;\n  public buffers: IBufferSet;\n  /** Whether the user is scrolling (locks the scroll position) */\n  public isUserScrolling: boolean = false;\n\n  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());\n  public readonly onResize = this._onResize.event;\n  private readonly _onScroll = this.register(new EventEmitter<number>());\n  public readonly onScroll = this._onScroll.event;\n\n  public get buffer(): IBuffer { return this.buffers.active; }\n\n  /** An IBufferline to clone/copy from for new blank lines */\n  private _cachedBlankLine: IBufferLine | undefined;\n\n  constructor(@IOptionsService optionsService: IOptionsService) {\n    super();\n    this.cols = Math.max(optionsService.rawOptions.cols || 0, MINIMUM_COLS);\n    this.rows = Math.max(optionsService.rawOptions.rows || 0, MINIMUM_ROWS);\n    this.buffers = this.register(new BufferSet(optionsService, this));\n  }\n\n  public resize(cols: number, rows: number): void {\n    this.cols = cols;\n    this.rows = rows;\n    this.buffers.resize(cols, rows);\n    // TODO: This doesn't fire when scrollback changes - add a resize event to BufferSet and forward\n    //       event\n    this._onResize.fire({ cols, rows });\n  }\n\n  public reset(): void {\n    this.buffers.reset();\n    this.isUserScrolling = false;\n  }\n\n  /**\n   * Scroll the terminal down 1 row, creating a blank line.\n   * @param eraseAttr The attribute data to use the for blank line.\n   * @param isWrapped Whether the new line is wrapped from the previous line.\n   */\n  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {\n    const buffer = this.buffer;\n\n    let newLine: IBufferLine | undefined;\n    newLine = this._cachedBlankLine;\n    if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {\n      newLine = buffer.getBlankLine(eraseAttr, isWrapped);\n      this._cachedBlankLine = newLine;\n    }\n    newLine.isWrapped = isWrapped;\n\n    const topRow = buffer.ybase + buffer.scrollTop;\n    const bottomRow = buffer.ybase + buffer.scrollBottom;\n\n    if (buffer.scrollTop === 0) {\n      // Determine whether the buffer is going to be trimmed after insertion.\n      const willBufferBeTrimmed = buffer.lines.isFull;\n\n      // Insert the line using the fastest method\n      if (bottomRow === buffer.lines.length - 1) {\n        if (willBufferBeTrimmed) {\n          buffer.lines.recycle().copyFrom(newLine);\n        } else {\n          buffer.lines.push(newLine.clone());\n        }\n      } else {\n        buffer.lines.splice(bottomRow + 1, 0, newLine.clone());\n      }\n\n      // Only adjust ybase and ydisp when the buffer is not trimmed\n      if (!willBufferBeTrimmed) {\n        buffer.ybase++;\n        // Only scroll the ydisp with ybase if the user has not scrolled up\n        if (!this.isUserScrolling) {\n          buffer.ydisp++;\n        }\n      } else {\n        // When the buffer is full and the user has scrolled up, keep the text\n        // stable unless ydisp is right at the top\n        if (this.isUserScrolling) {\n          buffer.ydisp = Math.max(buffer.ydisp - 1, 0);\n        }\n      }\n    } else {\n      // scrollTop is non-zero which means no line will be going to the\n      // scrollback, instead we can just shift them in-place.\n      const scrollRegionHeight = bottomRow - topRow + 1 /* as it's zero-based */;\n      buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);\n      buffer.lines.set(bottomRow, newLine.clone());\n    }\n\n    // Move the viewport to the bottom of the buffer unless the user is\n    // scrolling.\n    if (!this.isUserScrolling) {\n      buffer.ydisp = buffer.ybase;\n    }\n\n    this._onScroll.fire(buffer.ydisp);\n  }\n\n  /**\n   * Scroll the display of the terminal\n   * @param disp The number of lines to scroll down (negative scroll up).\n   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used\n   * to avoid unwanted events being handled by the viewport when the event was triggered from the\n   * viewport originally.\n   */\n  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {\n    const buffer = this.buffer;\n    if (disp < 0) {\n      if (buffer.ydisp === 0) {\n        return;\n      }\n      this.isUserScrolling = true;\n    } else if (disp + buffer.ydisp >= buffer.ybase) {\n      this.isUserScrolling = false;\n    }\n\n    const oldYdisp = buffer.ydisp;\n    buffer.ydisp = Math.max(Math.min(buffer.ydisp + disp, buffer.ybase), 0);\n\n    // No change occurred, don't trigger scroll/refresh\n    if (oldYdisp === buffer.ydisp) {\n      return;\n    }\n\n    if (!suppressScrollEvent) {\n      this._onScroll.fire(buffer.ydisp);\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharsetService } from 'common/services/Services';\nimport { ICharset } from 'common/Types';\n\nexport class CharsetService implements ICharsetService {\n  public serviceBrand: any;\n\n  public charset: ICharset | undefined;\n  public glevel: number = 0;\n\n  private _charsets: (ICharset | undefined)[] = [];\n\n  public reset(): void {\n    this.charset = undefined;\n    this._charsets = [];\n    this.glevel = 0;\n  }\n\n  public setgLevel(g: number): void {\n    this.glevel = g;\n    this.charset = this._charsets[g];\n  }\n\n  public setgCharset(g: number, charset: ICharset | undefined): void {\n    this._charsets[g] = charset;\n    if (this.glevel === g) {\n      this.charset = charset;\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IBufferService, ICoreService, ICoreMouseService } from 'common/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { ICoreMouseProtocol, ICoreMouseEvent, CoreMouseEncoding, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';\nimport { Disposable } from 'common/Lifecycle';\n\n/**\n * Supported default protocols.\n */\nconst DEFAULT_PROTOCOLS: { [key: string]: ICoreMouseProtocol } = {\n  /**\n   * NONE\n   * Events: none\n   * Modifiers: none\n   */\n  NONE: {\n    events: CoreMouseEventType.NONE,\n    restrict: () => false\n  },\n  /**\n   * X10\n   * Events: mousedown\n   * Modifiers: none\n   */\n  X10: {\n    events: CoreMouseEventType.DOWN,\n    restrict: (e: ICoreMouseEvent) => {\n      // no wheel, no move, no up\n      if (e.button === CoreMouseButton.WHEEL || e.action !== CoreMouseAction.DOWN) {\n        return false;\n      }\n      // no modifiers\n      e.ctrl = false;\n      e.alt = false;\n      e.shift = false;\n      return true;\n    }\n  },\n  /**\n   * VT200\n   * Events: mousedown / mouseup / wheel\n   * Modifiers: all\n   */\n  VT200: {\n    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL,\n    restrict: (e: ICoreMouseEvent) => {\n      // no move\n      if (e.action === CoreMouseAction.MOVE) {\n        return false;\n      }\n      return true;\n    }\n  },\n  /**\n   * DRAG\n   * Events: mousedown / mouseup / wheel / mousedrag\n   * Modifiers: all\n   */\n  DRAG: {\n    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL | CoreMouseEventType.DRAG,\n    restrict: (e: ICoreMouseEvent) => {\n      // no move without button\n      if (e.action === CoreMouseAction.MOVE && e.button === CoreMouseButton.NONE) {\n        return false;\n      }\n      return true;\n    }\n  },\n  /**\n   * ANY\n   * Events: all mouse related events\n   * Modifiers: all\n   */\n  ANY: {\n    events:\n      CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL\n      | CoreMouseEventType.DRAG | CoreMouseEventType.MOVE,\n    restrict: (e: ICoreMouseEvent) => true\n  }\n};\n\nconst enum Modifiers {\n  SHIFT = 4,\n  ALT = 8,\n  CTRL = 16\n}\n\n// helper for default encoders to generate the event code.\nfunction eventCode(e: ICoreMouseEvent, isSGR: boolean): number {\n  let code = (e.ctrl ? Modifiers.CTRL : 0) | (e.shift ? Modifiers.SHIFT : 0) | (e.alt ? Modifiers.ALT : 0);\n  if (e.button === CoreMouseButton.WHEEL) {\n    code |= 64;\n    code |= e.action;\n  } else {\n    code |= e.button & 3;\n    if (e.button & 4) {\n      code |= 64;\n    }\n    if (e.button & 8) {\n      code |= 128;\n    }\n    if (e.action === CoreMouseAction.MOVE) {\n      code |= CoreMouseAction.MOVE;\n    } else if (e.action === CoreMouseAction.UP && !isSGR) {\n      // special case - only SGR can report button on release\n      // all others have to go with NONE\n      code |= CoreMouseButton.NONE;\n    }\n  }\n  return code;\n}\n\nconst S = String.fromCharCode;\n\n/**\n * Supported default encodings.\n */\nconst DEFAULT_ENCODINGS: { [key: string]: CoreMouseEncoding } = {\n  /**\n   * DEFAULT - CSI M Pb Px Py\n   * Single byte encoding for coords and event code.\n   * Can encode values up to 223 (1-based).\n   */\n  DEFAULT: (e: ICoreMouseEvent) => {\n    const params = [eventCode(e, false) + 32, e.col + 32, e.row + 32];\n    // supress mouse report if we exceed addressible range\n    // Note this is handled differently by emulators\n    // - xterm:         sends 0;0 coords instead\n    // - vte, konsole:  no report\n    if (params[0] > 255 || params[1] > 255 || params[2] > 255) {\n      return '';\n    }\n    return `\\x1b[M${S(params[0])}${S(params[1])}${S(params[2])}`;\n  },\n  /**\n   * SGR - CSI < Pb ; Px ; Py M|m\n   * No encoding limitation.\n   * Can report button on release and works with a well formed sequence.\n   */\n  SGR: (e: ICoreMouseEvent) => {\n    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';\n    return `\\x1b[<${eventCode(e, true)};${e.col};${e.row}${final}`;\n  },\n  SGR_PIXELS: (e: ICoreMouseEvent) => {\n    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';\n    return `\\x1b[<${eventCode(e, true)};${e.x};${e.y}${final}`;\n  }\n};\n\n/**\n * CoreMouseService\n *\n * Provides mouse tracking reports with different protocols and encodings.\n *  - protocols: NONE (default), X10, VT200, DRAG, ANY\n *  - encodings: DEFAULT, SGR (UTF8, URXVT removed in #2507)\n *\n * Custom protocols/encodings can be added by `addProtocol` / `addEncoding`.\n * To activate a protocol/encoding, set `activeProtocol` / `activeEncoding`.\n * Switching a protocol will send a notification event `onProtocolChange`\n * with a list of needed events to track.\n *\n * The service handles the mouse tracking state and decides whether to send\n * a tracking report to the backend based on protocol and encoding limitations.\n * To send a mouse event call `triggerMouseEvent`.\n */\nexport class CoreMouseService extends Disposable implements ICoreMouseService {\n  private _protocols: { [name: string]: ICoreMouseProtocol } = {};\n  private _encodings: { [name: string]: CoreMouseEncoding } = {};\n  private _activeProtocol: string = '';\n  private _activeEncoding: string = '';\n  private _lastEvent: ICoreMouseEvent | null = null;\n\n  private readonly _onProtocolChange = this.register(new EventEmitter<CoreMouseEventType>());\n  public readonly onProtocolChange =  this._onProtocolChange.event;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreService private readonly _coreService: ICoreService\n  ) {\n    super();\n    // register default protocols and encodings\n    for (const name of Object.keys(DEFAULT_PROTOCOLS)) this.addProtocol(name, DEFAULT_PROTOCOLS[name]);\n    for (const name of Object.keys(DEFAULT_ENCODINGS)) this.addEncoding(name, DEFAULT_ENCODINGS[name]);\n    // call reset to set defaults\n    this.reset();\n  }\n\n  public addProtocol(name: string, protocol: ICoreMouseProtocol): void {\n    this._protocols[name] = protocol;\n  }\n\n  public addEncoding(name: string, encoding: CoreMouseEncoding): void {\n    this._encodings[name] = encoding;\n  }\n\n  public get activeProtocol(): string {\n    return this._activeProtocol;\n  }\n\n  public get areMouseEventsActive(): boolean {\n    return this._protocols[this._activeProtocol].events !== 0;\n  }\n\n  public set activeProtocol(name: string) {\n    if (!this._protocols[name]) {\n      throw new Error(`unknown protocol \"${name}\"`);\n    }\n    this._activeProtocol = name;\n    this._onProtocolChange.fire(this._protocols[name].events);\n  }\n\n  public get activeEncoding(): string {\n    return this._activeEncoding;\n  }\n\n  public set activeEncoding(name: string) {\n    if (!this._encodings[name]) {\n      throw new Error(`unknown encoding \"${name}\"`);\n    }\n    this._activeEncoding = name;\n  }\n\n  public reset(): void {\n    this.activeProtocol = 'NONE';\n    this.activeEncoding = 'DEFAULT';\n    this._lastEvent = null;\n  }\n\n  /**\n   * Triggers a mouse event to be sent.\n   *\n   * Returns true if the event passed all protocol restrictions and a report\n   * was sent, otherwise false. The return value may be used to decide whether\n   * the default event action in the bowser component should be omitted.\n   *\n   * Note: The method will change values of the given event object\n   * to fullfill protocol and encoding restrictions.\n   */\n  public triggerMouseEvent(e: ICoreMouseEvent): boolean {\n    // range check for col/row\n    if (e.col < 0 || e.col >= this._bufferService.cols\n      || e.row < 0 || e.row >= this._bufferService.rows) {\n      return false;\n    }\n\n    // filter nonsense combinations of button + action\n    if (e.button === CoreMouseButton.WHEEL && e.action === CoreMouseAction.MOVE) {\n      return false;\n    }\n    if (e.button === CoreMouseButton.NONE && e.action !== CoreMouseAction.MOVE) {\n      return false;\n    }\n    if (e.button !== CoreMouseButton.WHEEL && (e.action === CoreMouseAction.LEFT || e.action === CoreMouseAction.RIGHT)) {\n      return false;\n    }\n\n    // report 1-based coords\n    e.col++;\n    e.row++;\n\n    // debounce move events at grid or pixel level\n    if (e.action === CoreMouseAction.MOVE\n      && this._lastEvent\n      && this._equalEvents(this._lastEvent, e, this._activeEncoding === 'SGR_PIXELS')\n    ) {\n      return false;\n    }\n\n    // apply protocol restrictions\n    if (!this._protocols[this._activeProtocol].restrict(e)) {\n      return false;\n    }\n\n    // encode report and send\n    const report = this._encodings[this._activeEncoding](e);\n    if (report) {\n      // always send DEFAULT as binary data\n      if (this._activeEncoding === 'DEFAULT') {\n        this._coreService.triggerBinaryEvent(report);\n      } else {\n        this._coreService.triggerDataEvent(report, true);\n      }\n    }\n\n    this._lastEvent = e;\n\n    return true;\n  }\n\n  public explainEvents(events: CoreMouseEventType): { [event: string]: boolean } {\n    return {\n      down: !!(events & CoreMouseEventType.DOWN),\n      up: !!(events & CoreMouseEventType.UP),\n      drag: !!(events & CoreMouseEventType.DRAG),\n      move: !!(events & CoreMouseEventType.MOVE),\n      wheel: !!(events & CoreMouseEventType.WHEEL)\n    };\n  }\n\n  private _equalEvents(e1: ICoreMouseEvent, e2: ICoreMouseEvent, pixels: boolean): boolean {\n    if (pixels) {\n      if (e1.x !== e2.x) return false;\n      if (e1.y !== e2.y) return false;\n    } else {\n      if (e1.col !== e2.col) return false;\n      if (e1.row !== e2.row) return false;\n    }\n    if (e1.button !== e2.button) return false;\n    if (e1.action !== e2.action) return false;\n    if (e1.ctrl !== e2.ctrl) return false;\n    if (e1.alt !== e2.alt) return false;\n    if (e1.shift !== e2.shift) return false;\n    return true;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { clone } from 'common/Clone';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IDecPrivateModes, IModes } from 'common/Types';\nimport { IBufferService, ICoreService, ILogService, IOptionsService } from 'common/services/Services';\n\nconst DEFAULT_MODES: IModes = Object.freeze({\n  insertMode: false\n});\n\nconst DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({\n  applicationCursorKeys: false,\n  applicationKeypad: false,\n  bracketedPasteMode: false,\n  origin: false,\n  reverseWraparound: false,\n  sendFocus: false,\n  wraparound: true // defaults: xterm - true, vt100 - false\n});\n\nexport class CoreService extends Disposable implements ICoreService {\n  public serviceBrand: any;\n\n  public isCursorInitialized: boolean = false;\n  public isCursorHidden: boolean = false;\n  public modes: IModes;\n  public decPrivateModes: IDecPrivateModes;\n\n  private readonly _onData = this.register(new EventEmitter<string>());\n  public readonly onData = this._onData.event;\n  private readonly _onUserInput = this.register(new EventEmitter<void>());\n  public readonly onUserInput = this._onUserInput.event;\n  private readonly _onBinary = this.register(new EventEmitter<string>());\n  public readonly onBinary = this._onBinary.event;\n  private readonly _onRequestScrollToBottom = this.register(new EventEmitter<void>());\n  public readonly onRequestScrollToBottom = this._onRequestScrollToBottom.event;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ILogService private readonly _logService: ILogService,\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n    this.modes = clone(DEFAULT_MODES);\n    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);\n  }\n\n  public reset(): void {\n    this.modes = clone(DEFAULT_MODES);\n    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);\n  }\n\n  public triggerDataEvent(data: string, wasUserInput: boolean = false): void {\n    // Prevents all events to pty process if stdin is disabled\n    if (this._optionsService.rawOptions.disableStdin) {\n      return;\n    }\n\n    // Input is being sent to the terminal, the terminal should focus the prompt.\n    const buffer = this._bufferService.buffer;\n    if (wasUserInput && this._optionsService.rawOptions.scrollOnUserInput && buffer.ybase !== buffer.ydisp) {\n      this._onRequestScrollToBottom.fire();\n    }\n\n    // Fire onUserInput so listeners can react as well (eg. clear selection)\n    if (wasUserInput) {\n      this._onUserInput.fire();\n    }\n\n    // Fire onData API\n    this._logService.debug(`sending data \"${data}\"`, () => data.split('').map(e => e.charCodeAt(0)));\n    this._onData.fire(data);\n  }\n\n  public triggerBinaryEvent(data: string): void {\n    if (this._optionsService.rawOptions.disableStdin) {\n      return;\n    }\n    this._logService.debug(`sending binary \"${data}\"`, () => data.split('').map(e => e.charCodeAt(0)));\n    this._onBinary.fire(data);\n  }\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { css } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IDecorationService, IInternalDecoration } from 'common/services/Services';\nimport { SortedList } from 'common/SortedList';\nimport { IColor } from 'common/Types';\nimport { IDecoration, IDecorationOptions, IMarker } from '@xterm/xterm';\n\n// Work variables to avoid garbage collection\nlet $xmin = 0;\nlet $xmax = 0;\n\nexport class DecorationService extends Disposable implements IDecorationService {\n  public serviceBrand: any;\n\n  /**\n   * A list of all decorations, sorted by the marker's line value. This relies on the fact that\n   * while marker line values do change, they should all change by the same amount so this should\n   * never become out of order.\n   */\n  private readonly _decorations: SortedList<IInternalDecoration> = new SortedList(e => e?.marker.line);\n\n  private readonly _onDecorationRegistered = this.register(new EventEmitter<IInternalDecoration>());\n  public readonly onDecorationRegistered = this._onDecorationRegistered.event;\n  private readonly _onDecorationRemoved = this.register(new EventEmitter<IInternalDecoration>());\n  public readonly onDecorationRemoved = this._onDecorationRemoved.event;\n\n  public get decorations(): IterableIterator<IInternalDecoration> { return this._decorations.values(); }\n\n  constructor() {\n    super();\n\n    this.register(toDisposable(() => this.reset()));\n  }\n\n  public registerDecoration(options: IDecorationOptions): IDecoration | undefined {\n    if (options.marker.isDisposed) {\n      return undefined;\n    }\n    const decoration = new Decoration(options);\n    if (decoration) {\n      const markerDispose = decoration.marker.onDispose(() => decoration.dispose());\n      decoration.onDispose(() => {\n        if (decoration) {\n          if (this._decorations.delete(decoration)) {\n            this._onDecorationRemoved.fire(decoration);\n          }\n          markerDispose.dispose();\n        }\n      });\n      this._decorations.insert(decoration);\n      this._onDecorationRegistered.fire(decoration);\n    }\n    return decoration;\n  }\n\n  public reset(): void {\n    for (const d of this._decorations.values()) {\n      d.dispose();\n    }\n    this._decorations.clear();\n  }\n\n  public *getDecorationsAtCell(x: number, line: number, layer?: 'bottom' | 'top'): IterableIterator<IInternalDecoration> {\n    let xmin = 0;\n    let xmax = 0;\n    for (const d of this._decorations.getKeyIterator(line)) {\n      xmin = d.options.x ?? 0;\n      xmax = xmin + (d.options.width ?? 1);\n      if (x >= xmin && x < xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {\n        yield d;\n      }\n    }\n  }\n\n  public forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void {\n    this._decorations.forEachByKey(line, d => {\n      $xmin = d.options.x ?? 0;\n      $xmax = $xmin + (d.options.width ?? 1);\n      if (x >= $xmin && x < $xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {\n        callback(d);\n      }\n    });\n  }\n}\n\nclass Decoration extends Disposable implements IInternalDecoration {\n  public readonly marker: IMarker;\n  public element: HTMLElement | undefined;\n  public get isDisposed(): boolean { return this._isDisposed; }\n\n  public readonly onRenderEmitter = this.register(new EventEmitter<HTMLElement>());\n  public readonly onRender = this.onRenderEmitter.event;\n  private readonly _onDispose = this.register(new EventEmitter<void>());\n  public readonly onDispose = this._onDispose.event;\n\n  private _cachedBg: IColor | undefined | null = null;\n  public get backgroundColorRGB(): IColor | undefined {\n    if (this._cachedBg === null) {\n      if (this.options.backgroundColor) {\n        this._cachedBg = css.toColor(this.options.backgroundColor);\n      } else {\n        this._cachedBg = undefined;\n      }\n    }\n    return this._cachedBg;\n  }\n\n  private _cachedFg: IColor | undefined | null = null;\n  public get foregroundColorRGB(): IColor | undefined {\n    if (this._cachedFg === null) {\n      if (this.options.foregroundColor) {\n        this._cachedFg = css.toColor(this.options.foregroundColor);\n      } else {\n        this._cachedFg = undefined;\n      }\n    }\n    return this._cachedFg;\n  }\n\n  constructor(\n    public readonly options: IDecorationOptions\n  ) {\n    super();\n    this.marker = options.marker;\n    if (this.options.overviewRulerOptions && !this.options.overviewRulerOptions.position) {\n      this.options.overviewRulerOptions.position = 'full';\n    }\n  }\n\n  public override dispose(): void {\n    this._onDispose.fire();\n    super.dispose();\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IInstantiationService, IServiceIdentifier } from 'common/services/Services';\nimport { getServiceDependencies } from 'common/services/ServiceRegistry';\n\nexport class ServiceCollection {\n\n  private _entries = new Map<IServiceIdentifier<any>, any>();\n\n  constructor(...entries: [IServiceIdentifier<any>, any][]) {\n    for (const [id, service] of entries) {\n      this.set(id, service);\n    }\n  }\n\n  public set<T>(id: IServiceIdentifier<T>, instance: T): T {\n    const result = this._entries.get(id);\n    this._entries.set(id, instance);\n    return result;\n  }\n\n  public forEach(callback: (id: IServiceIdentifier<any>, instance: any) => any): void {\n    for (const [key, value] of this._entries.entries()) {\n      callback(key, value);\n    }\n  }\n\n  public has(id: IServiceIdentifier<any>): boolean {\n    return this._entries.has(id);\n  }\n\n  public get<T>(id: IServiceIdentifier<T>): T | undefined {\n    return this._entries.get(id);\n  }\n}\n\nexport class InstantiationService implements IInstantiationService {\n  public serviceBrand: undefined;\n\n  private readonly _services: ServiceCollection = new ServiceCollection();\n\n  constructor() {\n    this._services.set(IInstantiationService, this);\n  }\n\n  public setService<T>(id: IServiceIdentifier<T>, instance: T): void {\n    this._services.set(id, instance);\n  }\n\n  public getService<T>(id: IServiceIdentifier<T>): T | undefined {\n    return this._services.get(id);\n  }\n\n  public createInstance<T>(ctor: any, ...args: any[]): T {\n    const serviceDependencies = getServiceDependencies(ctor).sort((a, b) => a.index - b.index);\n\n    const serviceArgs: any[] = [];\n    for (const dependency of serviceDependencies) {\n      const service = this._services.get(dependency.id);\n      if (!service) {\n        throw new Error(`[createInstance] ${ctor.name} depends on UNKNOWN service ${dependency.id}.`);\n      }\n      serviceArgs.push(service);\n    }\n\n    const firstServiceArgPos = serviceDependencies.length > 0 ? serviceDependencies[0].index : args.length;\n\n    // check for argument mismatches, adjust static args if needed\n    if (args.length !== firstServiceArgPos) {\n      throw new Error(`[createInstance] First service dependency of ${ctor.name} at position ${firstServiceArgPos + 1} conflicts with ${args.length} static arguments`);\n    }\n\n    // now create the instance\n    return new ctor(...[...args, ...serviceArgs]);\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from 'common/Lifecycle';\nimport { ILogService, IOptionsService, LogLevelEnum } from 'common/services/Services';\n\ntype LogType = (message?: any, ...optionalParams: any[]) => void;\n\ninterface IConsole {\n  log: LogType;\n  error: LogType;\n  info: LogType;\n  trace: LogType;\n  warn: LogType;\n}\n\n// console is available on both node.js and browser contexts but the common\n// module doesn't depend on them so we need to explicitly declare it.\ndeclare const console: IConsole;\n\nconst optionsKeyToLogLevel: { [key: string]: LogLevelEnum } = {\n  trace: LogLevelEnum.TRACE,\n  debug: LogLevelEnum.DEBUG,\n  info: LogLevelEnum.INFO,\n  warn: LogLevelEnum.WARN,\n  error: LogLevelEnum.ERROR,\n  off: LogLevelEnum.OFF\n};\n\nconst LOG_PREFIX = 'xterm.js: ';\n\nexport class LogService extends Disposable implements ILogService {\n  public serviceBrand: any;\n\n  private _logLevel: LogLevelEnum = LogLevelEnum.OFF;\n  public get logLevel(): LogLevelEnum { return this._logLevel; }\n\n  constructor(\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n    this._updateLogLevel();\n    this.register(this._optionsService.onSpecificOptionChange('logLevel', () => this._updateLogLevel()));\n\n    // For trace logging, assume the latest created log service is valid\n    traceLogger = this;\n  }\n\n  private _updateLogLevel(): void {\n    this._logLevel = optionsKeyToLogLevel[this._optionsService.rawOptions.logLevel];\n  }\n\n  private _evalLazyOptionalParams(optionalParams: any[]): void {\n    for (let i = 0; i < optionalParams.length; i++) {\n      if (typeof optionalParams[i] === 'function') {\n        optionalParams[i] = optionalParams[i]();\n      }\n    }\n  }\n\n  private _log(type: LogType, message: string, optionalParams: any[]): void {\n    this._evalLazyOptionalParams(optionalParams);\n    type.call(console, (this._optionsService.options.logger ? '' : LOG_PREFIX) + message, ...optionalParams);\n  }\n\n  public trace(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.TRACE) {\n      this._log(this._optionsService.options.logger?.trace.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);\n    }\n  }\n\n  public debug(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.DEBUG) {\n      this._log(this._optionsService.options.logger?.debug.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);\n    }\n  }\n\n  public info(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.INFO) {\n      this._log(this._optionsService.options.logger?.info.bind(this._optionsService.options.logger) ?? console.info, message, optionalParams);\n    }\n  }\n\n  public warn(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.WARN) {\n      this._log(this._optionsService.options.logger?.warn.bind(this._optionsService.options.logger) ?? console.warn, message, optionalParams);\n    }\n  }\n\n  public error(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.ERROR) {\n      this._log(this._optionsService.options.logger?.error.bind(this._optionsService.options.logger) ?? console.error, message, optionalParams);\n    }\n  }\n}\n\nlet traceLogger: ILogService;\nexport function setTraceLogger(logger: ILogService): void {\n  traceLogger = logger;\n}\n\n/**\n * A decorator that can be used to automatically log trace calls to the decorated function.\n */\nexport function traceCall(_target: any, key: string, descriptor: any): any {\n  if (typeof descriptor.value !== 'function') {\n    throw new Error('not supported');\n  }\n  const fnKey = 'value';\n  const fn = descriptor.value;\n  descriptor[fnKey] = function (...args: any[]) {\n    // Early exit\n    if (traceLogger.logLevel !== LogLevelEnum.TRACE) {\n      return fn.apply(this, args);\n    }\n\n    traceLogger.trace(`GlyphRenderer#${fn.name}(${args.map(e => JSON.stringify(e)).join(', ')})`);\n    const result = fn.apply(this, args);\n    traceLogger.trace(`GlyphRenderer#${fn.name} return`, result);\n    return result;\n  };\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { isMac } from 'common/Platform';\nimport { CursorStyle, IDisposable } from 'common/Types';\nimport { FontWeight, IOptionsService, ITerminalOptions } from 'common/services/Services';\n\nexport const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {\n  cols: 80,\n  rows: 24,\n  cursorBlink: false,\n  cursorStyle: 'block',\n  cursorWidth: 1,\n  cursorInactiveStyle: 'outline',\n  customGlyphs: true,\n  drawBoldTextInBrightColors: true,\n  documentOverride: null,\n  fastScrollModifier: 'alt',\n  fastScrollSensitivity: 5,\n  fontFamily: 'courier-new, courier, monospace',\n  fontSize: 15,\n  fontWeight: 'normal',\n  fontWeightBold: 'bold',\n  ignoreBracketedPasteMode: false,\n  lineHeight: 1.0,\n  letterSpacing: 0,\n  linkHandler: null,\n  logLevel: 'info',\n  logger: null,\n  scrollback: 1000,\n  scrollOnUserInput: true,\n  scrollSensitivity: 1,\n  screenReaderMode: false,\n  smoothScrollDuration: 0,\n  macOptionIsMeta: false,\n  macOptionClickForcesSelection: false,\n  minimumContrastRatio: 1,\n  disableStdin: false,\n  allowProposedApi: false,\n  allowTransparency: false,\n  tabStopWidth: 8,\n  theme: {},\n  rescaleOverlappingGlyphs: false,\n  rightClickSelectsWord: isMac,\n  windowOptions: {},\n  windowsMode: false,\n  windowsPty: {},\n  wordSeparator: ' ()[]{}\\',\"`',\n  altClickMovesCursor: true,\n  convertEol: false,\n  termName: 'xterm',\n  cancelEvents: false,\n  overviewRulerWidth: 0\n};\n\nconst FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'];\n\nexport class OptionsService extends Disposable implements IOptionsService {\n  public serviceBrand: any;\n\n  public readonly rawOptions: Required<ITerminalOptions>;\n  public options: Required<ITerminalOptions>;\n\n  private readonly _onOptionChange = this.register(new EventEmitter<keyof ITerminalOptions>());\n  public readonly onOptionChange = this._onOptionChange.event;\n\n  constructor(options: Partial<ITerminalOptions>) {\n    super();\n    // set the default value of each option\n    const defaultOptions = { ...DEFAULT_OPTIONS };\n    for (const key in options) {\n      if (key in defaultOptions) {\n        try {\n          const newValue = options[key];\n          defaultOptions[key] = this._sanitizeAndValidateOption(key, newValue);\n        } catch (e) {\n          console.error(e);\n        }\n      }\n    }\n\n    // set up getters and setters for each option\n    this.rawOptions = defaultOptions;\n    this.options = { ... defaultOptions };\n    this._setupOptions();\n\n    // Clear out options that could link outside xterm.js as they could easily cause an embedder\n    // memory leak\n    this.register(toDisposable(() => {\n      this.rawOptions.linkHandler = null;\n      this.rawOptions.documentOverride = null;\n    }));\n  }\n\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  public onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (value: ITerminalOptions[T]) => any): IDisposable {\n    return this.onOptionChange(eventKey => {\n      if (eventKey === key) {\n        listener(this.rawOptions[key]);\n      }\n    });\n  }\n\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  public onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable {\n    return this.onOptionChange(eventKey => {\n      if (keys.indexOf(eventKey) !== -1) {\n        listener();\n      }\n    });\n  }\n\n  private _setupOptions(): void {\n    const getter = (propName: string): any => {\n      if (!(propName in DEFAULT_OPTIONS)) {\n        throw new Error(`No option with key \"${propName}\"`);\n      }\n      return this.rawOptions[propName];\n    };\n\n    const setter = (propName: string, value: any): void => {\n      if (!(propName in DEFAULT_OPTIONS)) {\n        throw new Error(`No option with key \"${propName}\"`);\n      }\n\n      value = this._sanitizeAndValidateOption(propName, value);\n      // Don't fire an option change event if they didn't change\n      if (this.rawOptions[propName] !== value) {\n        this.rawOptions[propName] = value;\n        this._onOptionChange.fire(propName);\n      }\n    };\n\n    for (const propName in this.rawOptions) {\n      const desc = {\n        get: getter.bind(this, propName),\n        set: setter.bind(this, propName)\n      };\n      Object.defineProperty(this.options, propName, desc);\n    }\n  }\n\n  private _sanitizeAndValidateOption(key: string, value: any): any {\n    switch (key) {\n      case 'cursorStyle':\n        if (!value) {\n          value = DEFAULT_OPTIONS[key];\n        }\n        if (!isCursorStyle(value)) {\n          throw new Error(`\"${value}\" is not a valid value for ${key}`);\n        }\n        break;\n      case 'wordSeparator':\n        if (!value) {\n          value = DEFAULT_OPTIONS[key];\n        }\n        break;\n      case 'fontWeight':\n      case 'fontWeightBold':\n        if (typeof value === 'number' && 1 <= value && value <= 1000) {\n          // already valid numeric value\n          break;\n        }\n        value = FONT_WEIGHT_OPTIONS.includes(value) ? value : DEFAULT_OPTIONS[key];\n        break;\n      case 'cursorWidth':\n        value = Math.floor(value);\n        // Fall through for bounds check\n      case 'lineHeight':\n      case 'tabStopWidth':\n        if (value < 1) {\n          throw new Error(`${key} cannot be less than 1, value: ${value}`);\n        }\n        break;\n      case 'minimumContrastRatio':\n        value = Math.max(1, Math.min(21, Math.round(value * 10) / 10));\n        break;\n      case 'scrollback':\n        value = Math.min(value, 4294967295);\n        if (value < 0) {\n          throw new Error(`${key} cannot be less than 0, value: ${value}`);\n        }\n        break;\n      case 'fastScrollSensitivity':\n      case 'scrollSensitivity':\n        if (value <= 0) {\n          throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`);\n        }\n        break;\n      case 'rows':\n      case 'cols':\n        if (!value && value !== 0) {\n          throw new Error(`${key} must be numeric, value: ${value}`);\n        }\n        break;\n      case 'windowsPty':\n        value = value ?? {};\n        break;\n    }\n    return value;\n  }\n}\n\nfunction isCursorStyle(value: unknown): value is CursorStyle {\n  return value === 'block' || value === 'underline' || value === 'bar';\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IBufferService, IOscLinkService } from 'common/services/Services';\nimport { IMarker, IOscLinkData } from 'common/Types';\n\nexport class OscLinkService implements IOscLinkService {\n  public serviceBrand: any;\n\n  private _nextId = 1;\n\n  /**\n   * A map of the link key to link entry. This is used to add additional lines to links with ids.\n   */\n  private _entriesWithId: Map<string, IOscLinkEntryWithId> = new Map();\n\n  /**\n   * A map of the link id to the link entry. The \"link id\" (number) which is the numberic\n   * representation of a unique link should not be confused with \"id\" (string) which comes in with\n   * `id=` in the OSC link's properties.\n   */\n  private _dataByLinkId: Map<number, IOscLinkEntryNoId | IOscLinkEntryWithId> = new Map();\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService\n  ) {\n  }\n\n  public registerLink(data: IOscLinkData): number {\n    const buffer = this._bufferService.buffer;\n\n    // Links with no id will only ever be registered a single time\n    if (data.id === undefined) {\n      const marker = buffer.addMarker(buffer.ybase + buffer.y);\n      const entry: IOscLinkEntryNoId = {\n        data,\n        id: this._nextId++,\n        lines: [marker]\n      };\n      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));\n      this._dataByLinkId.set(entry.id, entry);\n      return entry.id;\n    }\n\n    // Add the line to the link if it already exists\n    const castData = data as Required<IOscLinkData>;\n    const key = this._getEntryIdKey(castData);\n    const match = this._entriesWithId.get(key);\n    if (match) {\n      this.addLineToLink(match.id, buffer.ybase + buffer.y);\n      return match.id;\n    }\n\n    // Create the link\n    const marker = buffer.addMarker(buffer.ybase + buffer.y);\n    const entry: IOscLinkEntryWithId = {\n      id: this._nextId++,\n      key: this._getEntryIdKey(castData),\n      data: castData,\n      lines: [marker]\n    };\n    marker.onDispose(() => this._removeMarkerFromLink(entry, marker));\n    this._entriesWithId.set(entry.key, entry);\n    this._dataByLinkId.set(entry.id, entry);\n    return entry.id;\n  }\n\n  public addLineToLink(linkId: number, y: number): void {\n    const entry = this._dataByLinkId.get(linkId);\n    if (!entry) {\n      return;\n    }\n    if (entry.lines.every(e => e.line !== y)) {\n      const marker = this._bufferService.buffer.addMarker(y);\n      entry.lines.push(marker);\n      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));\n    }\n  }\n\n  public getLinkData(linkId: number): IOscLinkData | undefined {\n    return this._dataByLinkId.get(linkId)?.data;\n  }\n\n  private _getEntryIdKey(linkData: Required<IOscLinkData>): string {\n    return `${linkData.id};;${linkData.uri}`;\n  }\n\n  private _removeMarkerFromLink(entry: IOscLinkEntryNoId | IOscLinkEntryWithId, marker: IMarker): void {\n    const index = entry.lines.indexOf(marker);\n    if (index === -1) {\n      return;\n    }\n    entry.lines.splice(index, 1);\n    if (entry.lines.length === 0) {\n      if (entry.data.id !== undefined) {\n        this._entriesWithId.delete((entry as IOscLinkEntryWithId).key);\n      }\n      this._dataByLinkId.delete(entry.id);\n    }\n  }\n}\n\ninterface IOscLinkEntry<T extends IOscLinkData> {\n  data: T;\n  id: number;\n  lines: IMarker[];\n}\n\ninterface IOscLinkEntryNoId extends IOscLinkEntry<IOscLinkData> {\n}\n\ninterface IOscLinkEntryWithId extends IOscLinkEntry<Required<IOscLinkData>> {\n  key: string;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IServiceIdentifier } from 'common/services/Services';\n\nconst DI_TARGET = 'di$target';\nconst DI_DEPENDENCIES = 'di$dependencies';\n\nexport const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();\n\nexport function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {\n  return ctor[DI_DEPENDENCIES] || [];\n}\n\nexport function createDecorator<T>(id: string): IServiceIdentifier<T> {\n  if (serviceRegistry.has(id)) {\n    return serviceRegistry.get(id)!;\n  }\n\n  const decorator: any = function (target: Function, key: string, index: number): any {\n    if (arguments.length !== 3) {\n      throw new Error('@IServiceName-decorator can only be used to decorate a parameter');\n    }\n\n    storeServiceDependency(decorator, target, index);\n  };\n\n  decorator.toString = () => id;\n\n  serviceRegistry.set(id, decorator);\n  return decorator;\n}\n\nfunction storeServiceDependency(id: Function, target: Function, index: number): void {\n  if ((target as any)[DI_TARGET] === target) {\n    (target as any)[DI_DEPENDENCIES].push({ id, index });\n  } else {\n    (target as any)[DI_DEPENDENCIES] = [{ id, index }];\n    (target as any)[DI_TARGET] = target;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IEvent, IEventEmitter } from 'common/EventEmitter';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColor, CursorStyle, CursorInactiveStyle, IOscLinkData } from 'common/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\nimport { IDecorationOptions, IDecoration, ILinkHandler, IWindowsPty, ILogger } from '@xterm/xterm';\n\nexport const IBufferService = createDecorator<IBufferService>('BufferService');\nexport interface IBufferService {\n  serviceBrand: undefined;\n\n  readonly cols: number;\n  readonly rows: number;\n  readonly buffer: IBuffer;\n  readonly buffers: IBufferSet;\n  isUserScrolling: boolean;\n  onResize: IEvent<{ cols: number, rows: number }>;\n  onScroll: IEvent<number>;\n  scroll(eraseAttr: IAttributeData, isWrapped?: boolean): void;\n  scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void;\n  resize(cols: number, rows: number): void;\n  reset(): void;\n}\n\nexport const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');\nexport interface ICoreMouseService {\n  activeProtocol: string;\n  activeEncoding: string;\n  areMouseEventsActive: boolean;\n  addProtocol(name: string, protocol: ICoreMouseProtocol): void;\n  addEncoding(name: string, encoding: CoreMouseEncoding): void;\n  reset(): void;\n\n  /**\n   * Triggers a mouse event to be sent.\n   *\n   * Returns true if the event passed all protocol restrictions and a report\n   * was sent, otherwise false. The return value may be used to decide whether\n   * the default event action in the bowser component should be omitted.\n   *\n   * Note: The method will change values of the given event object\n   * to fullfill protocol and encoding restrictions.\n   */\n  triggerMouseEvent(event: ICoreMouseEvent): boolean;\n\n  /**\n   * Event to announce changes in mouse tracking.\n   */\n  onProtocolChange: IEvent<CoreMouseEventType>;\n\n  /**\n   * Human readable version of mouse events.\n   */\n  explainEvents(events: CoreMouseEventType): { [event: string]: boolean };\n}\n\nexport const ICoreService = createDecorator<ICoreService>('CoreService');\nexport interface ICoreService {\n  serviceBrand: undefined;\n\n  /**\n   * Initially the cursor will not be visible until the first time the terminal\n   * is focused.\n   */\n  isCursorInitialized: boolean;\n  isCursorHidden: boolean;\n\n  readonly modes: IModes;\n  readonly decPrivateModes: IDecPrivateModes;\n\n  readonly onData: IEvent<string>;\n  readonly onUserInput: IEvent<void>;\n  readonly onBinary: IEvent<string>;\n  readonly onRequestScrollToBottom: IEvent<void>;\n\n  reset(): void;\n\n  /**\n   * Triggers the onData event in the public API.\n   * @param data The data that is being emitted.\n   * @param wasUserInput Whether the data originated from the user (as opposed to\n   * resulting from parsing incoming data). When true this will also:\n   * - Scroll to the bottom of the buffer if option scrollOnUserInput is true.\n   * - Fire the `onUserInput` event (so selection can be cleared).\n   */\n  triggerDataEvent(data: string, wasUserInput?: boolean): void;\n\n  /**\n   * Triggers the onBinary event in the public API.\n   * @param data The data that is being emitted.\n   */\n  triggerBinaryEvent(data: string): void;\n}\n\nexport const ICharsetService = createDecorator<ICharsetService>('CharsetService');\nexport interface ICharsetService {\n  serviceBrand: undefined;\n\n  charset: ICharset | undefined;\n  readonly glevel: number;\n\n  reset(): void;\n\n  /**\n   * Set the G level of the terminal.\n   * @param g\n   */\n  setgLevel(g: number): void;\n\n  /**\n   * Set the charset for the given G level of the terminal.\n   * @param g\n   * @param charset\n   */\n  setgCharset(g: number, charset: ICharset | undefined): void;\n}\n\nexport interface IServiceIdentifier<T> {\n  (...args: any[]): void;\n  type: T;\n}\n\nexport interface IBrandedService {\n  serviceBrand: undefined;\n}\n\ntype GetLeadingNonServiceArgs<TArgs extends any[]> = TArgs extends [] ? []\n  : TArgs extends [...infer TFirst, infer TLast] ? TLast extends IBrandedService ? GetLeadingNonServiceArgs<TFirst> : TArgs\n    : never;\n\nexport const IInstantiationService = createDecorator<IInstantiationService>('InstantiationService');\nexport interface IInstantiationService {\n  serviceBrand: undefined;\n\n  setService<T>(id: IServiceIdentifier<T>, instance: T): void;\n  getService<T>(id: IServiceIdentifier<T>): T | undefined;\n  createInstance<Ctor extends new (...args: any[]) => any, R extends InstanceType<Ctor>>(t: Ctor, ...args: GetLeadingNonServiceArgs<ConstructorParameters<Ctor>>): R;\n}\n\nexport enum LogLevelEnum {\n  TRACE = 0,\n  DEBUG = 1,\n  INFO = 2,\n  WARN = 3,\n  ERROR = 4,\n  OFF = 5\n}\n\nexport const ILogService = createDecorator<ILogService>('LogService');\nexport interface ILogService {\n  serviceBrand: undefined;\n\n  readonly logLevel: LogLevelEnum;\n\n  trace(message: any, ...optionalParams: any[]): void;\n  debug(message: any, ...optionalParams: any[]): void;\n  info(message: any, ...optionalParams: any[]): void;\n  warn(message: any, ...optionalParams: any[]): void;\n  error(message: any, ...optionalParams: any[]): void;\n}\n\nexport const IOptionsService = createDecorator<IOptionsService>('OptionsService');\nexport interface IOptionsService {\n  serviceBrand: undefined;\n\n  /**\n   * Read only access to the raw options object, this is an internal-only fast path for accessing\n   * single options without any validation as we trust TypeScript to enforce correct usage\n   * internally.\n   */\n  readonly rawOptions: Required<ITerminalOptions>;\n\n  /**\n   * Options as exposed through the public API, this property uses getters and setters with\n   * validation which makes it safer but slower. {@link rawOptions} should be used for pretty much\n   * all internal usage for performance reasons.\n   */\n  readonly options: Required<ITerminalOptions>;\n\n  /**\n   * Adds an event listener for when any option changes.\n   */\n  readonly onOptionChange: IEvent<keyof ITerminalOptions>;\n\n  /**\n   * Adds an event listener for when a specific option changes, this is a convenience method that is\n   * preferred over {@link onOptionChange} when only a single option is being listened to.\n   */\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (arg1: Required<ITerminalOptions>[T]) => any): IDisposable;\n\n  /**\n   * Adds an event listener for when a set of specific options change, this is a convenience method\n   * that is preferred over {@link onOptionChange} when multiple options are being listened to and\n   * handled the same way.\n   */\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable;\n}\n\nexport type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;\nexport type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';\n\nexport interface ITerminalOptions {\n  allowProposedApi?: boolean;\n  allowTransparency?: boolean;\n  altClickMovesCursor?: boolean;\n  cols?: number;\n  convertEol?: boolean;\n  cursorBlink?: boolean;\n  cursorStyle?: CursorStyle;\n  cursorWidth?: number;\n  cursorInactiveStyle?: CursorInactiveStyle;\n  customGlyphs?: boolean;\n  disableStdin?: boolean;\n  documentOverride?: any | null;\n  drawBoldTextInBrightColors?: boolean;\n  fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';\n  fastScrollSensitivity?: number;\n  fontSize?: number;\n  fontFamily?: string;\n  fontWeight?: FontWeight;\n  fontWeightBold?: FontWeight;\n  ignoreBracketedPasteMode?: boolean;\n  letterSpacing?: number;\n  lineHeight?: number;\n  linkHandler?: ILinkHandler | null;\n  logLevel?: LogLevel;\n  logger?: ILogger | null;\n  macOptionIsMeta?: boolean;\n  macOptionClickForcesSelection?: boolean;\n  minimumContrastRatio?: number;\n  rescaleOverlappingGlyphs?: boolean;\n  rightClickSelectsWord?: boolean;\n  rows?: number;\n  screenReaderMode?: boolean;\n  scrollback?: number;\n  scrollOnUserInput?: boolean;\n  scrollSensitivity?: number;\n  smoothScrollDuration?: number;\n  tabStopWidth?: number;\n  theme?: ITheme;\n  windowsMode?: boolean;\n  windowsPty?: IWindowsPty;\n  windowOptions?: IWindowOptions;\n  wordSeparator?: string;\n  overviewRulerWidth?: number;\n\n  [key: string]: any;\n  cancelEvents: boolean;\n  termName: string;\n}\n\nexport interface ITheme {\n  foreground?: string;\n  background?: string;\n  cursor?: string;\n  cursorAccent?: string;\n  selectionForeground?: string;\n  selectionBackground?: string;\n  selectionInactiveBackground?: string;\n  black?: string;\n  red?: string;\n  green?: string;\n  yellow?: string;\n  blue?: string;\n  magenta?: string;\n  cyan?: string;\n  white?: string;\n  brightBlack?: string;\n  brightRed?: string;\n  brightGreen?: string;\n  brightYellow?: string;\n  brightBlue?: string;\n  brightMagenta?: string;\n  brightCyan?: string;\n  brightWhite?: string;\n  extendedAnsi?: string[];\n}\n\nexport const IOscLinkService = createDecorator<IOscLinkService>('OscLinkService');\nexport interface IOscLinkService {\n  serviceBrand: undefined;\n  /**\n   * Registers a link to the service, returning the link ID. The link data is managed by this\n   * service and will be freed when this current cursor position is trimmed off the buffer.\n   */\n  registerLink(linkData: IOscLinkData): number;\n  /**\n   * Adds a line to a link if needed.\n   */\n  addLineToLink(linkId: number, y: number): void;\n  /** Get the link data associated with a link ID. */\n  getLinkData(linkId: number): IOscLinkData | undefined;\n}\n\n/*\n * Width and Grapheme_Cluster_Break properties of a character as a bit mask.\n *\n * bit 0: shouldJoin - should combine with preceding character.\n * bit 1..2: wcwidth - see UnicodeCharWidth.\n * bit 3..31: class of character (currently only 4 bits are used).\n *   This is used to determined grapheme clustering - i.e. which codepoints\n *   are to be combined into a single compound character.\n *\n * Use the UnicodeService static function createPropertyValue to create a\n * UnicodeCharProperties; use extractShouldJoin, extractWidth, and\n * extractCharKind to extract the components.\n */\nexport type UnicodeCharProperties = number;\n\n/**\n * Width in columns of a character.\n * In a CJK context, \"half-width\" characters (such as Latin) are width 1,\n * while \"full-width\" characters (such as Kanji) are 2 columns wide.\n * Combining characters (such as accents) are width 0.\n */\nexport type UnicodeCharWidth = 0 | 1 | 2;\n\nexport const IUnicodeService = createDecorator<IUnicodeService>('UnicodeService');\nexport interface IUnicodeService {\n  serviceBrand: undefined;\n  /** Register an Unicode version provider. */\n  register(provider: IUnicodeVersionProvider): void;\n  /** Registered Unicode versions. */\n  readonly versions: string[];\n  /** Currently active version. */\n  activeVersion: string;\n  /** Event triggered, when activate version changed. */\n  readonly onChange: IEvent<string>;\n\n  /**\n   * Unicode version dependent\n   */\n  wcwidth(codepoint: number): UnicodeCharWidth;\n  getStringCellWidth(s: string): number;\n  /**\n   * Return character width and type for grapheme clustering.\n   * If preceding != 0, it is the return code from the previous character;\n   * in that case the result specifies if the characters should be joined.\n   */\n  charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties;\n}\n\nexport interface IUnicodeVersionProvider {\n  readonly version: string;\n  wcwidth(ucs: number): UnicodeCharWidth;\n  charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties;\n}\n\nexport const IDecorationService = createDecorator<IDecorationService>('DecorationService');\nexport interface IDecorationService extends IDisposable {\n  serviceBrand: undefined;\n  readonly decorations: IterableIterator<IInternalDecoration>;\n  readonly onDecorationRegistered: IEvent<IInternalDecoration>;\n  readonly onDecorationRemoved: IEvent<IInternalDecoration>;\n  registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;\n  reset(): void;\n  /**\n   * Trigger a callback over the decoration at a cell (in no particular order). This uses a callback\n   * instead of an iterator as it's typically used in hot code paths.\n   */\n  forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void;\n}\nexport interface IInternalDecoration extends IDecoration {\n  readonly options: IDecorationOptions;\n  readonly backgroundColorRGB: IColor | undefined;\n  readonly foregroundColorRGB: IColor | undefined;\n  readonly onRenderEmitter: IEventEmitter<HTMLElement>;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { UnicodeV6 } from 'common/input/UnicodeV6';\nimport { IUnicodeService, IUnicodeVersionProvider, UnicodeCharProperties, UnicodeCharWidth } from 'common/services/Services';\n\nexport class UnicodeService implements IUnicodeService {\n  public serviceBrand: any;\n\n  private _providers: {[key: string]: IUnicodeVersionProvider} = Object.create(null);\n  private _active: string = '';\n  private _activeProvider: IUnicodeVersionProvider;\n\n  private readonly _onChange = new EventEmitter<string>();\n  public readonly onChange = this._onChange.event;\n\n  public static extractShouldJoin(value: UnicodeCharProperties): boolean {\n    return (value & 1) !== 0;\n  }\n  public static extractWidth(value: UnicodeCharProperties): UnicodeCharWidth {\n    return ((value >> 1) & 0x3) as UnicodeCharWidth;\n  }\n  public static extractCharKind(value: UnicodeCharProperties): number {\n    return value >> 3;\n  }\n  public static createPropertyValue(state: number, width: number, shouldJoin: boolean = false): UnicodeCharProperties {\n    return ((state & 0xffffff) << 3) | ((width & 3) << 1) | (shouldJoin?1:0);\n  }\n\n  constructor() {\n    const defaultProvider = new UnicodeV6();\n    this.register(defaultProvider);\n    this._active = defaultProvider.version;\n    this._activeProvider = defaultProvider;\n  }\n\n  public dispose(): void {\n    this._onChange.dispose();\n  }\n\n  public get versions(): string[] {\n    return Object.keys(this._providers);\n  }\n\n  public get activeVersion(): string {\n    return this._active;\n  }\n\n  public set activeVersion(version: string) {\n    if (!this._providers[version]) {\n      throw new Error(`unknown Unicode version \"${version}\"`);\n    }\n    this._active = version;\n    this._activeProvider = this._providers[version];\n    this._onChange.fire(version);\n  }\n\n  public register(provider: IUnicodeVersionProvider): void {\n    this._providers[provider.version] = provider;\n  }\n\n  /**\n   * Unicode version dependent interface.\n   */\n  public wcwidth(num: number): UnicodeCharWidth {\n    return this._activeProvider.wcwidth(num);\n  }\n\n  public getStringCellWidth(s: string): number {\n    let result = 0;\n    let precedingInfo = 0;\n    const length = s.length;\n    for (let i = 0; i < length; ++i) {\n      let code = s.charCodeAt(i);\n      // surrogate pair first\n      if (0xD800 <= code && code <= 0xDBFF) {\n        if (++i >= length) {\n          // this should not happen with strings retrieved from\n          // Buffer.translateToString as it converts from UTF-32\n          // and therefore always should contain the second part\n          // for any other string we still have to handle it somehow:\n          // simply treat the lonely surrogate first as a single char (UCS-2 behavior)\n          return result + this.wcwidth(code);\n        }\n        const second = s.charCodeAt(i);\n        // convert surrogate pair to high codepoint only for valid second part (UTF-16)\n        // otherwise treat them independently (UCS-2 behavior)\n        if (0xDC00 <= second && second <= 0xDFFF) {\n          code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n        } else {\n          result += this.wcwidth(second);\n        }\n      }\n      const currentInfo = this.charProperties(code, precedingInfo);\n      let chWidth = UnicodeService.extractWidth(currentInfo);\n      if (UnicodeService.extractShouldJoin(currentInfo)) {\n        chWidth -= UnicodeService.extractWidth(precedingInfo);\n      }\n      result += chWidth;\n      precedingInfo = currentInfo;\n    }\n    return result;\n  }\n\n  public charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties {\n    return this._activeProvider.charProperties(codepoint, preceding);\n  }\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from 'browser/LocalizableStrings';\nimport { Terminal as TerminalCore } from 'browser/Terminal';\nimport { IBufferRange, ITerminal } from 'browser/Types';\nimport { IEvent } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { ITerminalOptions } from 'common/Types';\nimport { AddonManager } from 'common/public/AddonManager';\nimport { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';\nimport { ParserApi } from 'common/public/ParserApi';\nimport { UnicodeApi } from 'common/public/UnicodeApi';\nimport { IBufferNamespace as IBufferNamespaceApi, IDecoration, IDecorationOptions, IDisposable, ILinkProvider, ILocalizableStrings, IMarker, IModes, IParser, ITerminalAddon, Terminal as ITerminalApi, ITerminalInitOnlyOptions, IUnicodeHandling } from '@xterm/xterm';\n\n/**\n * The set of options that only have an effect when set in the Terminal constructor.\n */\nconst CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];\n\nexport class Terminal extends Disposable implements ITerminalApi {\n  private _core: ITerminal;\n  private _addonManager: AddonManager;\n  private _parser: IParser | undefined;\n  private _buffer: BufferNamespaceApi | undefined;\n  private _publicOptions: Required<ITerminalOptions>;\n\n  constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions) {\n    super();\n\n    this._core = this.register(new TerminalCore(options));\n    this._addonManager = this.register(new AddonManager());\n\n    this._publicOptions = { ... this._core.options };\n    const getter = (propName: string): any => {\n      return this._core.options[propName];\n    };\n    const setter = (propName: string, value: any): void => {\n      this._checkReadonlyOptions(propName);\n      this._core.options[propName] = value;\n    };\n\n    for (const propName in this._core.options) {\n      const desc = {\n        get: getter.bind(this, propName),\n        set: setter.bind(this, propName)\n      };\n      Object.defineProperty(this._publicOptions, propName, desc);\n    }\n  }\n\n  private _checkReadonlyOptions(propName: string): void {\n    // Throw an error if any constructor only option is modified\n    // from terminal.options\n    // Modifications from anywhere else are allowed\n    if (CONSTRUCTOR_ONLY_OPTIONS.includes(propName)) {\n      throw new Error(`Option \"${propName}\" can only be set in the constructor`);\n    }\n  }\n\n  private _checkProposedApi(): void {\n    if (!this._core.optionsService.rawOptions.allowProposedApi) {\n      throw new Error('You must set the allowProposedApi option to true to use proposed API');\n    }\n  }\n\n  public get onBell(): IEvent<void> { return this._core.onBell; }\n  public get onBinary(): IEvent<string> { return this._core.onBinary; }\n  public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }\n  public get onData(): IEvent<string> { return this._core.onData; }\n  public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }\n  public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }\n  public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }\n  public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }\n  public get onScroll(): IEvent<number> { return this._core.onScroll; }\n  public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }\n  public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }\n  public get onWriteParsed(): IEvent<void> { return this._core.onWriteParsed; }\n\n  public get element(): HTMLElement | undefined { return this._core.element; }\n  public get parser(): IParser {\n    if (!this._parser) {\n      this._parser = new ParserApi(this._core);\n    }\n    return this._parser;\n  }\n  public get unicode(): IUnicodeHandling {\n    this._checkProposedApi();\n    return new UnicodeApi(this._core);\n  }\n  public get textarea(): HTMLTextAreaElement | undefined { return this._core.textarea; }\n  public get rows(): number { return this._core.rows; }\n  public get cols(): number { return this._core.cols; }\n  public get buffer(): IBufferNamespaceApi {\n    if (!this._buffer) {\n      this._buffer = this.register(new BufferNamespaceApi(this._core));\n    }\n    return this._buffer;\n  }\n  public get markers(): ReadonlyArray<IMarker> {\n    this._checkProposedApi();\n    return this._core.markers;\n  }\n  public get modes(): IModes {\n    const m = this._core.coreService.decPrivateModes;\n    let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';\n    switch (this._core.coreMouseService.activeProtocol) {\n      case 'X10': mouseTrackingMode = 'x10'; break;\n      case 'VT200': mouseTrackingMode = 'vt200'; break;\n      case 'DRAG': mouseTrackingMode = 'drag'; break;\n      case 'ANY': mouseTrackingMode = 'any'; break;\n    }\n    return {\n      applicationCursorKeysMode: m.applicationCursorKeys,\n      applicationKeypadMode: m.applicationKeypad,\n      bracketedPasteMode: m.bracketedPasteMode,\n      insertMode: this._core.coreService.modes.insertMode,\n      mouseTrackingMode: mouseTrackingMode,\n      originMode: m.origin,\n      reverseWraparoundMode: m.reverseWraparound,\n      sendFocusMode: m.sendFocus,\n      wraparoundMode: m.wraparound\n    };\n  }\n  public get options(): Required<ITerminalOptions> {\n    return this._publicOptions;\n  }\n  public set options(options: ITerminalOptions) {\n    for (const propName in options) {\n      this._publicOptions[propName] = options[propName];\n    }\n  }\n  public blur(): void {\n    this._core.blur();\n  }\n  public focus(): void {\n    this._core.focus();\n  }\n  public input(data: string, wasUserInput: boolean = true): void {\n    this._core.input(data, wasUserInput);\n  }\n  public resize(columns: number, rows: number): void {\n    this._verifyIntegers(columns, rows);\n    this._core.resize(columns, rows);\n  }\n  public open(parent: HTMLElement): void {\n    this._core.open(parent);\n  }\n  public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {\n    this._core.attachCustomKeyEventHandler(customKeyEventHandler);\n  }\n  public attachCustomWheelEventHandler(customWheelEventHandler: (event: WheelEvent) => boolean): void {\n    this._core.attachCustomWheelEventHandler(customWheelEventHandler);\n  }\n  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {\n    return this._core.registerLinkProvider(linkProvider);\n  }\n  public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n    this._checkProposedApi();\n    return this._core.registerCharacterJoiner(handler);\n  }\n  public deregisterCharacterJoiner(joinerId: number): void {\n    this._checkProposedApi();\n    this._core.deregisterCharacterJoiner(joinerId);\n  }\n  public registerMarker(cursorYOffset: number = 0): IMarker {\n    this._verifyIntegers(cursorYOffset);\n    return this._core.registerMarker(cursorYOffset);\n  }\n  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {\n    this._checkProposedApi();\n    this._verifyPositiveIntegers(decorationOptions.x ?? 0, decorationOptions.width ?? 0, decorationOptions.height ?? 0);\n    return this._core.registerDecoration(decorationOptions);\n  }\n  public hasSelection(): boolean {\n    return this._core.hasSelection();\n  }\n  public select(column: number, row: number, length: number): void {\n    this._verifyIntegers(column, row, length);\n    this._core.select(column, row, length);\n  }\n  public getSelection(): string {\n    return this._core.getSelection();\n  }\n  public getSelectionPosition(): IBufferRange | undefined {\n    return this._core.getSelectionPosition();\n  }\n  public clearSelection(): void {\n    this._core.clearSelection();\n  }\n  public selectAll(): void {\n    this._core.selectAll();\n  }\n  public selectLines(start: number, end: number): void {\n    this._verifyIntegers(start, end);\n    this._core.selectLines(start, end);\n  }\n  public dispose(): void {\n    super.dispose();\n  }\n  public scrollLines(amount: number): void {\n    this._verifyIntegers(amount);\n    this._core.scrollLines(amount);\n  }\n  public scrollPages(pageCount: number): void {\n    this._verifyIntegers(pageCount);\n    this._core.scrollPages(pageCount);\n  }\n  public scrollToTop(): void {\n    this._core.scrollToTop();\n  }\n  public scrollToBottom(): void {\n    this._core.scrollToBottom();\n  }\n  public scrollToLine(line: number): void {\n    this._verifyIntegers(line);\n    this._core.scrollToLine(line);\n  }\n  public clear(): void {\n    this._core.clear();\n  }\n  public write(data: string | Uint8Array, callback?: () => void): void {\n    this._core.write(data, callback);\n  }\n  public writeln(data: string | Uint8Array, callback?: () => void): void {\n    this._core.write(data);\n    this._core.write('\\r\\n', callback);\n  }\n  public paste(data: string): void {\n    this._core.paste(data);\n  }\n  public refresh(start: number, end: number): void {\n    this._verifyIntegers(start, end);\n    this._core.refresh(start, end);\n  }\n  public reset(): void {\n    this._core.reset();\n  }\n  public clearTextureAtlas(): void {\n    this._core.clearTextureAtlas();\n  }\n  public loadAddon(addon: ITerminalAddon): void {\n    this._addonManager.loadAddon(this, addon);\n  }\n  public static get strings(): ILocalizableStrings {\n    return Strings;\n  }\n\n  private _verifyIntegers(...values: number[]): void {\n    for (const value of values) {\n      if (value === Infinity || isNaN(value) || value % 1 !== 0) {\n        throw new Error('This API only accepts integers');\n      }\n    }\n  }\n\n  private _verifyPositiveIntegers(...values: number[]): void {\n    for (const value of values) {\n      if (value && (value === Infinity || isNaN(value) || value % 1 !== 0 || value < 0)) {\n        throw new Error('This API only accepts positive integers');\n      }\n    }\n  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\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/xterm/package.json b/web/public/node_modules/@xterm/xterm/package.json
new file mode 100644
index 000000000..bfb6f57ea
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/package.json
@@ -0,0 +1,101 @@
+{
+  "name": "@xterm/xterm",
+  "description": "Full xterm terminal, in your browser",
+  "version": "5.5.0",
+  "main": "lib/xterm.js",
+  "style": "css/xterm.css",
+  "types": "typings/xterm.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js",
+  "license": "MIT",
+  "keywords": [
+    "cli",
+    "command-line",
+    "console",
+    "pty",
+    "shell",
+    "ssh",
+    "styles",
+    "terminal-emulator",
+    "terminal",
+    "tty",
+    "vt100",
+    "webgl",
+    "xterm"
+  ],
+  "scripts": {
+    "prepackage": "npm run build",
+    "package": "webpack",
+    "package-headless": "webpack --config ./webpack.config.headless.js",
+    "postpackage-headless": "node ./bin/package_headless.js",
+    "start": "node demo/start",
+    "start-server-only": "node demo/start-server-only",
+    "build-demo": "webpack --config ./demo/webpack.config.js",
+    "lint": "eslint -c .eslintrc.json --max-warnings 0 --ext .ts src/ addons/",
+    "lint-api": "eslint --no-eslintrc -c .eslintrc.json.typings --max-warnings 0 --no-ignore --ext .d.ts typings/",
+    "test": "npm run test-unit",
+    "posttest": "npm run lint",
+    "test-api": "npm run test-api-chromium",
+    "test-api-chromium": "node ./bin/test_api.js --browser=chromium --timeout=20000",
+    "test-api-firefox": "node ./bin/test_api.js --browser=firefox --timeout=20000",
+    "test-api-webkit": "node ./bin/test_api.js --browser=webkit --timeout=20000",
+    "test-playwright": "node ./bin/test_playwright.js --workers=75%",
+    "test-playwright-chromium": "node ./bin/test_playwright.js --workers=75% \"--project=Chrome Stable\"",
+    "test-playwright-firefox": "node ./bin/test_playwright.js --workers=75% \"--project=Firefox Stable\"",
+    "test-playwright-webkit": "node ./bin/test_playwright.js --workers=75% \"--project=WebKit\"",
+    "test-playwright-debug": "node ./bin/test_playwright.js  --workers=1 --headed --timeout=30000",
+    "test-unit": "node ./bin/test.js",
+    "test-unit-coverage": "node ./bin/test.js --coverage",
+    "test-unit-dev": "cross-env NODE_PATH='./out' mocha",
+    "build": "tsc -b ./tsconfig.all.json",
+    "install-addons": "node ./bin/install-addons.js",
+    "presetup": "npm run install-addons",
+    "setup": "npm run build",
+    "prepublishOnly": "npm run package",
+    "watch": "tsc -b -w ./tsconfig.all.json --preserveWatchOutput",
+    "benchmark": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json",
+    "benchmark-baseline": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --baseline out-test/benchmark/test/benchmark/*benchmark.js",
+    "benchmark-eval": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --eval out-test/benchmark/test/benchmark/*benchmark.js",
+    "clean": "rm -rf lib out addons/*/lib addons/*/out",
+    "vtfeatures": "node bin/extract_vtfeatures.js src/**/*.ts src/*.ts"
+  },
+  "devDependencies": {
+    "@lunapaint/png-codec": "^0.2.0",
+    "@playwright/test": "^1.37.1",
+    "@types/chai": "^4.2.22",
+    "@types/debug": "^4.1.7",
+    "@types/deep-equal": "^1.0.1",
+    "@types/express": "4",
+    "@types/express-ws": "^3.0.1",
+    "@types/glob": "^7.2.0",
+    "@types/jsdom": "^16.2.13",
+    "@types/mocha": "^9.0.0",
+    "@types/node": "^18.16.0",
+    "@types/utf8": "^3.0.0",
+    "@types/webpack": "^5.28.0",
+    "@types/ws": "^8.2.0",
+    "@typescript-eslint/eslint-plugin": "^6.2.00",
+    "@typescript-eslint/parser": "^6.2.00",
+    "chai": "^4.3.4",
+    "cross-env": "^7.0.3",
+    "deep-equal": "^2.0.5",
+    "eslint": "^8.56.0",
+    "eslint-plugin-jsdoc": "^46.9.1",
+    "express": "^4.17.1",
+    "express-ws": "^5.0.2",
+    "glob": "^7.2.0",
+    "jsdom": "^18.0.1",
+    "mocha": "^10.1.0",
+    "mustache": "^4.2.0",
+    "node-pty": "1.1.0-beta5",
+    "nyc": "^15.1.0",
+    "source-map-loader": "^3.0.0",
+    "source-map-support": "^0.5.20",
+    "ts-loader": "^9.3.1",
+    "typescript": "^5.1.6",
+    "utf8": "^3.0.0",
+    "webpack": "^5.61.0",
+    "webpack-cli": "^4.9.1",
+    "ws": "^8.2.3",
+    "xterm-benchmark": "^0.3.1"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/AccessibilityManager.ts b/web/public/node_modules/@xterm/xterm/src/browser/AccessibilityManager.ts
new file mode 100644
index 000000000..68c65ebd8
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/AccessibilityManager.ts
@@ -0,0 +1,407 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import * as Strings from 'browser/LocalizableStrings';
+import { ITerminal, IRenderDebouncer } from 'browser/Types';
+import { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { ICoreBrowserService, IRenderService } from 'browser/services/Services';
+import { IBuffer } from 'common/buffer/Types';
+import { IInstantiationService } from 'common/services/Services';
+import { addDisposableDomListener } from 'browser/Lifecycle';
+
+const MAX_ROWS_TO_READ = 20;
+
+const enum BoundaryPosition {
+  TOP,
+  BOTTOM
+}
+
+// Turn this on to unhide the accessibility tree and display it under
+// (instead of overlapping with) the terminal.
+const DEBUG = false;
+
+export class AccessibilityManager extends Disposable {
+  private _debugRootContainer: HTMLElement | undefined;
+  private _accessibilityContainer: HTMLElement;
+
+  private _rowContainer: HTMLElement;
+  private _rowElements: HTMLElement[];
+  private _rowColumns: WeakMap<HTMLElement, number[]> = new WeakMap();
+
+  private _liveRegion: HTMLElement;
+  private _liveRegionLineCount: number = 0;
+  private _liveRegionDebouncer: IRenderDebouncer;
+
+  private _topBoundaryFocusListener: (e: FocusEvent) => void;
+  private _bottomBoundaryFocusListener: (e: FocusEvent) => void;
+
+  /**
+   * This queue has a character pushed to it for keys that are pressed, if the
+   * next character added to the terminal is equal to the key char then it is
+   * not announced (added to live region) because it has already been announced
+   * by the textarea event (which cannot be canceled). There are some race
+   * condition cases if there is typing while data is streaming, but this covers
+   * the main case of typing into the prompt and inputting the answer to a
+   * question (Y/N, etc.).
+   */
+  private _charsToConsume: string[] = [];
+
+  private _charsToAnnounce: string = '';
+
+  constructor(
+    private readonly _terminal: ITerminal,
+    @IInstantiationService instantiationService: IInstantiationService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @IRenderService private readonly _renderService: IRenderService
+  ) {
+    super();
+    this._accessibilityContainer = this._coreBrowserService.mainDocument.createElement('div');
+    this._accessibilityContainer.classList.add('xterm-accessibility');
+
+    this._rowContainer = this._coreBrowserService.mainDocument.createElement('div');
+    this._rowContainer.setAttribute('role', 'list');
+    this._rowContainer.classList.add('xterm-accessibility-tree');
+    this._rowElements = [];
+    for (let i = 0; i < this._terminal.rows; i++) {
+      this._rowElements[i] = this._createAccessibilityTreeNode();
+      this._rowContainer.appendChild(this._rowElements[i]);
+    }
+
+    this._topBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.TOP);
+    this._bottomBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.BOTTOM);
+    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);
+    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+
+    this._refreshRowsDimensions();
+    this._accessibilityContainer.appendChild(this._rowContainer);
+
+    this._liveRegion = this._coreBrowserService.mainDocument.createElement('div');
+    this._liveRegion.classList.add('live-region');
+    this._liveRegion.setAttribute('aria-live', 'assertive');
+    this._accessibilityContainer.appendChild(this._liveRegion);
+    this._liveRegionDebouncer = this.register(new TimeBasedDebouncer(this._renderRows.bind(this)));
+
+    if (!this._terminal.element) {
+      throw new Error('Cannot enable accessibility before Terminal.open');
+    }
+
+    if (DEBUG) {
+      this._accessibilityContainer.classList.add('debug');
+      this._rowContainer.classList.add('debug');
+
+      // Use a `<div class="xterm">` container so that the css will still apply.
+      this._debugRootContainer = document.createElement('div');
+      this._debugRootContainer.classList.add('xterm');
+
+      this._debugRootContainer.appendChild(document.createTextNode('------start a11y------'));
+      this._debugRootContainer.appendChild(this._accessibilityContainer);
+      this._debugRootContainer.appendChild(document.createTextNode('------end a11y------'));
+
+      this._terminal.element.insertAdjacentElement('afterend', this._debugRootContainer);
+    } else {
+      this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityContainer);
+    }
+
+    this.register(this._terminal.onResize(e => this._handleResize(e.rows)));
+    this.register(this._terminal.onRender(e => this._refreshRows(e.start, e.end)));
+    this.register(this._terminal.onScroll(() => this._refreshRows()));
+    // Line feed is an issue as the prompt won't be read out after a command is run
+    this.register(this._terminal.onA11yChar(char => this._handleChar(char)));
+    this.register(this._terminal.onLineFeed(() => this._handleChar('\n')));
+    this.register(this._terminal.onA11yTab(spaceCount => this._handleTab(spaceCount)));
+    this.register(this._terminal.onKey(e => this._handleKey(e.key)));
+    this.register(this._terminal.onBlur(() => this._clearLiveRegion()));
+    this.register(this._renderService.onDimensionsChange(() => this._refreshRowsDimensions()));
+    this.register(addDisposableDomListener(document, 'selectionchange', () => this._handleSelectionChange()));
+    this.register(this._coreBrowserService.onDprChange(() => this._refreshRowsDimensions()));
+
+    this._refreshRows();
+    this.register(toDisposable(() => {
+      if (DEBUG) {
+        this._debugRootContainer!.remove();
+      } else {
+        this._accessibilityContainer.remove();
+      }
+      this._rowElements.length = 0;
+    }));
+  }
+
+  private _handleTab(spaceCount: number): void {
+    for (let i = 0; i < spaceCount; i++) {
+      this._handleChar(' ');
+    }
+  }
+
+  private _handleChar(char: string): void {
+    if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {
+      if (this._charsToConsume.length > 0) {
+        // Have the screen reader ignore the char if it was just input
+        const shiftedChar = this._charsToConsume.shift();
+        if (shiftedChar !== char) {
+          this._charsToAnnounce += char;
+        }
+      } else {
+        this._charsToAnnounce += char;
+      }
+
+      if (char === '\n') {
+        this._liveRegionLineCount++;
+        if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {
+          this._liveRegion.textContent += Strings.tooMuchOutput;
+        }
+      }
+    }
+  }
+
+  private _clearLiveRegion(): void {
+    this._liveRegion.textContent = '';
+    this._liveRegionLineCount = 0;
+  }
+
+  private _handleKey(keyChar: string): void {
+    this._clearLiveRegion();
+    // Only add the char if there is no control character.
+    if (!/\p{Control}/u.test(keyChar)) {
+      this._charsToConsume.push(keyChar);
+    }
+  }
+
+  private _refreshRows(start?: number, end?: number): void {
+    this._liveRegionDebouncer.refresh(start, end, this._terminal.rows);
+  }
+
+  private _renderRows(start: number, end: number): void {
+    const buffer: IBuffer = this._terminal.buffer;
+    const setSize = buffer.lines.length.toString();
+    for (let i = start; i <= end; i++) {
+      const line = buffer.lines.get(buffer.ydisp + i);
+      const columns: number[] = [];
+      const lineData = line?.translateToString(true, undefined, undefined, columns) || '';
+      const posInSet = (buffer.ydisp + i + 1).toString();
+      const element = this._rowElements[i];
+      if (element) {
+        if (lineData.length === 0) {
+          element.innerText = '\u00a0';
+          this._rowColumns.set(element, [0, 1]);
+        } else {
+          element.textContent = lineData;
+          this._rowColumns.set(element, columns);
+        }
+        element.setAttribute('aria-posinset', posInSet);
+        element.setAttribute('aria-setsize', setSize);
+      }
+    }
+    this._announceCharacters();
+  }
+
+  private _announceCharacters(): void {
+    if (this._charsToAnnounce.length === 0) {
+      return;
+    }
+    this._liveRegion.textContent += this._charsToAnnounce;
+    this._charsToAnnounce = '';
+  }
+
+  private _handleBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {
+    const boundaryElement = e.target as HTMLElement;
+    const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];
+
+    // Don't scroll if the buffer top has reached the end in that direction
+    const posInSet = boundaryElement.getAttribute('aria-posinset');
+    const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;
+    if (posInSet === lastRowPos) {
+      return;
+    }
+
+    // Don't scroll when the last focused item was not the second row (focus is going the other
+    // direction)
+    if (e.relatedTarget !== beforeBoundaryElement) {
+      return;
+    }
+
+    // Remove old boundary element from array
+    let topBoundaryElement: HTMLElement;
+    let bottomBoundaryElement: HTMLElement;
+    if (position === BoundaryPosition.TOP) {
+      topBoundaryElement = boundaryElement;
+      bottomBoundaryElement = this._rowElements.pop()!;
+      this._rowContainer.removeChild(bottomBoundaryElement);
+    } else {
+      topBoundaryElement = this._rowElements.shift()!;
+      bottomBoundaryElement = boundaryElement;
+      this._rowContainer.removeChild(topBoundaryElement);
+    }
+
+    // Remove listeners from old boundary elements
+    topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);
+    bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);
+
+    // Add new element to array/DOM
+    if (position === BoundaryPosition.TOP) {
+      const newElement = this._createAccessibilityTreeNode();
+      this._rowElements.unshift(newElement);
+      this._rowContainer.insertAdjacentElement('afterbegin', newElement);
+    } else {
+      const newElement = this._createAccessibilityTreeNode();
+      this._rowElements.push(newElement);
+      this._rowContainer.appendChild(newElement);
+    }
+
+    // Add listeners to new boundary elements
+    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);
+    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+
+    // Scroll up
+    this._terminal.scrollLines(position === BoundaryPosition.TOP ? -1 : 1);
+
+    // Focus new boundary before element
+    this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2].focus();
+
+    // Prevent the standard behavior
+    e.preventDefault();
+    e.stopImmediatePropagation();
+  }
+
+  private _handleSelectionChange(): void {
+    if (this._rowElements.length === 0) {
+      return;
+    }
+
+    const selection = document.getSelection();
+    if (!selection) {
+      return;
+    }
+
+    if (selection.isCollapsed) {
+      // Only do something when the anchorNode is inside the row container. This
+      // behavior mirrors what we do with mouse --- if the mouse clicks
+      // somewhere outside of the terminal, we don't clear the selection.
+      if (this._rowContainer.contains(selection.anchorNode)) {
+        this._terminal.clearSelection();
+      }
+      return;
+    }
+
+    if (!selection.anchorNode || !selection.focusNode) {
+      console.error('anchorNode and/or focusNode are null');
+      return;
+    }
+
+    // Sort the two selection points in document order.
+    let begin = { node: selection.anchorNode, offset: selection.anchorOffset };
+    let end = { node: selection.focusNode, offset: selection.focusOffset };
+    if ((begin.node.compareDocumentPosition(end.node) & Node.DOCUMENT_POSITION_PRECEDING) || (begin.node === end.node && begin.offset > end.offset) ) {
+      [begin, end] = [end, begin];
+    }
+
+    // Clamp begin/end to the inside of the row container.
+    if (begin.node.compareDocumentPosition(this._rowElements[0]) & (Node.DOCUMENT_POSITION_CONTAINED_BY | Node.DOCUMENT_POSITION_FOLLOWING)) {
+      begin = { node: this._rowElements[0].childNodes[0], offset: 0 };
+    }
+    if (!this._rowContainer.contains(begin.node)) {
+      // This happens when `begin` is below the last row.
+      return;
+    }
+    const lastRowElement = this._rowElements.slice(-1)[0];
+    if (end.node.compareDocumentPosition(lastRowElement) & (Node.DOCUMENT_POSITION_CONTAINED_BY | Node.DOCUMENT_POSITION_PRECEDING)) {
+      end = {
+        node: lastRowElement,
+        offset: lastRowElement.textContent?.length ?? 0
+      };
+    }
+    if (!this._rowContainer.contains(end.node)) {
+      // This happens when `end` is above the first row.
+      return;
+    }
+
+    const toRowColumn = ({ node, offset }: typeof begin): {row: number, column: number} | null => {
+      // `node` is either the row element or the Text node inside it.
+      const rowElement: any = node instanceof Text ? node.parentNode : node;
+      let row = parseInt(rowElement?.getAttribute('aria-posinset'), 10) - 1;
+      if (isNaN(row)) {
+        console.warn('row is invalid. Race condition?');
+        return null;
+      }
+
+      const columns = this._rowColumns.get(rowElement);
+      if (!columns) {
+        console.warn('columns is null. Race condition?');
+        return null;
+      }
+
+      let column = offset < columns.length ? columns[offset] : columns.slice(-1)[0] + 1;
+      if (column >= this._terminal.cols) {
+        ++row;
+        column = 0;
+      }
+      return {
+        row,
+        column
+      };
+    };
+
+    const beginRowColumn = toRowColumn(begin);
+    const endRowColumn = toRowColumn(end);
+
+    if (!beginRowColumn || !endRowColumn) {
+      return;
+    }
+
+    if (beginRowColumn.row > endRowColumn.row || (beginRowColumn.row === endRowColumn.row && beginRowColumn.column >= endRowColumn.column)) {
+      // This should not happen unless we have some bugs.
+      throw new Error('invalid range');
+    }
+
+    this._terminal.select(
+      beginRowColumn.column,
+      beginRowColumn.row,
+      (endRowColumn.row - beginRowColumn.row) * this._terminal.cols - beginRowColumn.column + endRowColumn.column
+    );
+  }
+
+  private _handleResize(rows: number): void {
+    // Remove bottom boundary listener
+    this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);
+
+    // Grow rows as required
+    for (let i = this._rowContainer.children.length; i < this._terminal.rows; i++) {
+      this._rowElements[i] = this._createAccessibilityTreeNode();
+      this._rowContainer.appendChild(this._rowElements[i]);
+    }
+    // Shrink rows as required
+    while (this._rowElements.length > rows) {
+      this._rowContainer.removeChild(this._rowElements.pop()!);
+    }
+
+    // Add bottom boundary listener
+    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+
+    this._refreshRowsDimensions();
+  }
+
+  private _createAccessibilityTreeNode(): HTMLElement {
+    const element = this._coreBrowserService.mainDocument.createElement('div');
+    element.setAttribute('role', 'listitem');
+    element.tabIndex = -1;
+    this._refreshRowDimensions(element);
+    return element;
+  }
+  private _refreshRowsDimensions(): void {
+    if (!this._renderService.dimensions.css.cell.height) {
+      return;
+    }
+    this._accessibilityContainer.style.width = `${this._renderService.dimensions.css.canvas.width}px`;
+    if (this._rowElements.length !== this._terminal.rows) {
+      this._handleResize(this._terminal.rows);
+    }
+    for (let i = 0; i < this._terminal.rows; i++) {
+      this._refreshRowDimensions(this._rowElements[i]);
+    }
+  }
+  private _refreshRowDimensions(element: HTMLElement): void {
+    element.style.height = `${this._renderService.dimensions.css.cell.height}px`;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/Clipboard.ts b/web/public/node_modules/@xterm/xterm/src/browser/Clipboard.ts
new file mode 100644
index 000000000..ec85b5836
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/Clipboard.ts
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ISelectionService } from 'browser/services/Services';
+import { ICoreService, IOptionsService } from 'common/services/Services';
+
+/**
+ * Prepares text to be pasted into the terminal by normalizing the line endings
+ * @param text The pasted text that needs processing before inserting into the terminal
+ */
+export function prepareTextForTerminal(text: string): string {
+  return text.replace(/\r?\n/g, '\r');
+}
+
+/**
+ * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste
+ * @param text The pasted text to bracket
+ */
+export function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {
+  if (bracketedPasteMode) {
+    return '\x1b[200~' + text + '\x1b[201~';
+  }
+  return text;
+}
+
+/**
+ * Binds copy functionality to the given terminal.
+ * @param ev The original copy event to be handled
+ */
+export function copyHandler(ev: ClipboardEvent, selectionService: ISelectionService): void {
+  if (ev.clipboardData) {
+    ev.clipboardData.setData('text/plain', selectionService.selectionText);
+  }
+  // Prevent or the original text will be copied.
+  ev.preventDefault();
+}
+
+/**
+ * Redirect the clipboard's data to the terminal's input handler.
+ */
+export function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {
+  ev.stopPropagation();
+  if (ev.clipboardData) {
+    const text = ev.clipboardData.getData('text/plain');
+    paste(text, textarea, coreService, optionsService);
+  }
+}
+
+export function paste(text: string, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {
+  text = prepareTextForTerminal(text);
+  text = bracketTextForPaste(text, coreService.decPrivateModes.bracketedPasteMode && optionsService.rawOptions.ignoreBracketedPasteMode !== true);
+  coreService.triggerDataEvent(text, true);
+  textarea.value = '';
+}
+
+/**
+ * Moves the textarea under the mouse cursor and focuses it.
+ * @param ev The original right click event to be handled.
+ * @param textarea The terminal's textarea.
+ */
+export function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement): void {
+
+  // Calculate textarea position relative to the screen element
+  const pos = screenElement.getBoundingClientRect();
+  const left = ev.clientX - pos.left - 10;
+  const top = ev.clientY - pos.top - 10;
+
+  // Bring textarea at the cursor position
+  textarea.style.width = '20px';
+  textarea.style.height = '20px';
+  textarea.style.left = `${left}px`;
+  textarea.style.top = `${top}px`;
+  textarea.style.zIndex = '1000';
+
+  textarea.focus();
+}
+
+/**
+ * Bind to right-click event and allow right-click copy and paste.
+ */
+export function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement, selectionService: ISelectionService, shouldSelectWord: boolean): void {
+  moveTextAreaUnderMouseCursor(ev, textarea, screenElement);
+
+  if (shouldSelectWord) {
+    selectionService.rightClickSelect(ev);
+  }
+
+  // Get textarea ready to copy from the context menu
+  textarea.value = selectionService.selectionText;
+  textarea.select();
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/ColorContrastCache.ts b/web/public/node_modules/@xterm/xterm/src/browser/ColorContrastCache.ts
new file mode 100644
index 000000000..0c60e8db4
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/ColorContrastCache.ts
@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IColorContrastCache } from 'browser/Types';
+import { IColor } from 'common/Types';
+import { TwoKeyMap } from 'common/MultiKeyMap';
+
+export class ColorContrastCache implements IColorContrastCache {
+  private _color: TwoKeyMap</* bg */number, /* fg */number, IColor | null> = new TwoKeyMap();
+  private _css: TwoKeyMap</* bg */number, /* fg */number, string | null> = new TwoKeyMap();
+
+  public setCss(bg: number, fg: number, value: string | null): void {
+    this._css.set(bg, fg, value);
+  }
+
+  public getCss(bg: number, fg: number): string | null | undefined {
+    return this._css.get(bg, fg);
+  }
+
+  public setColor(bg: number, fg: number, value: IColor | null): void {
+    this._color.set(bg, fg, value);
+  }
+
+  public getColor(bg: number, fg: number): IColor | null | undefined {
+    return this._color.get(bg, fg);
+  }
+
+  public clear(): void {
+    this._color.clear();
+    this._css.clear();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/Lifecycle.ts b/web/public/node_modules/@xterm/xterm/src/browser/Lifecycle.ts
new file mode 100644
index 000000000..8e0272b27
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/Lifecycle.ts
@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+
+/**
+ * Adds a disposable listener to a node in the DOM, returning the disposable.
+ * @param node The node to add a listener to.
+ * @param type The event type.
+ * @param handler The handler for the listener.
+ * @param options The boolean or options object to pass on to the event
+ * listener.
+ */
+export function addDisposableDomListener(
+  node: Element | Window | Document,
+  type: string,
+  handler: (e: any) => void,
+  options?: boolean | AddEventListenerOptions
+): IDisposable {
+  node.addEventListener(type, handler, options);
+  let disposed = false;
+  return {
+    dispose: () => {
+      if (disposed) {
+        return;
+      }
+      disposed = true;
+      node.removeEventListener(type, handler, options);
+    }
+  };
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/Linkifier.ts b/web/public/node_modules/@xterm/xterm/src/browser/Linkifier.ts
new file mode 100644
index 000000000..ac37e42f1
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/Linkifier.ts
@@ -0,0 +1,391 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { IBufferCellPosition, ILink, ILinkDecorations, ILinkWithState, ILinkifier2, ILinkifierEvent } from 'browser/Types';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, disposeArray, getDisposeArrayDisposable, toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+import { IBufferService } from 'common/services/Services';
+import { ILinkProviderService, IMouseService, IRenderService } from './services/Services';
+
+export class Linkifier extends Disposable implements ILinkifier2 {
+  public get currentLink(): ILinkWithState | undefined { return this._currentLink; }
+  protected _currentLink: ILinkWithState | undefined;
+  private _mouseDownLink: ILinkWithState | undefined;
+  private _lastMouseEvent: MouseEvent | undefined;
+  private _linkCacheDisposables: IDisposable[] = [];
+  private _lastBufferCell: IBufferCellPosition | undefined;
+  private _isMouseOut: boolean = true;
+  private _wasResized: boolean = false;
+  private _activeProviderReplies: Map<Number, ILinkWithState[] | undefined> | undefined;
+  private _activeLine: number = -1;
+
+  private readonly _onShowLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());
+  public readonly onShowLinkUnderline = this._onShowLinkUnderline.event;
+  private readonly _onHideLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());
+  public readonly onHideLinkUnderline = this._onHideLinkUnderline.event;
+
+  constructor(
+    private readonly _element: HTMLElement,
+    @IMouseService private readonly _mouseService: IMouseService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ILinkProviderService private readonly _linkProviderService: ILinkProviderService
+  ) {
+    super();
+    this.register(getDisposeArrayDisposable(this._linkCacheDisposables));
+    this.register(toDisposable(() => {
+      this._lastMouseEvent = undefined;
+      // Clear out link providers as they could easily cause an embedder memory leak
+      this._activeProviderReplies?.clear();
+    }));
+    // Listen to resize to catch the case where it's resized and the cursor is out of the viewport.
+    this.register(this._bufferService.onResize(() => {
+      this._clearCurrentLink();
+      this._wasResized = true;
+    }));
+    this.register(addDisposableDomListener(this._element, 'mouseleave', () => {
+      this._isMouseOut = true;
+      this._clearCurrentLink();
+    }));
+    this.register(addDisposableDomListener(this._element, 'mousemove', this._handleMouseMove.bind(this)));
+    this.register(addDisposableDomListener(this._element, 'mousedown', this._handleMouseDown.bind(this)));
+    this.register(addDisposableDomListener(this._element, 'mouseup', this._handleMouseUp.bind(this)));
+  }
+
+  private _handleMouseMove(event: MouseEvent): void {
+    this._lastMouseEvent = event;
+
+    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);
+    if (!position) {
+      return;
+    }
+    this._isMouseOut = false;
+
+    // Ignore the event if it's an embedder created hover widget
+    const composedPath = event.composedPath() as HTMLElement[];
+    for (let i = 0; i < composedPath.length; i++) {
+      const target = composedPath[i];
+      // Hit Terminal.element, break and continue
+      if (target.classList.contains('xterm')) {
+        break;
+      }
+      // It's a hover, don't respect hover event
+      if (target.classList.contains('xterm-hover')) {
+        return;
+      }
+    }
+
+    if (!this._lastBufferCell || (position.x !== this._lastBufferCell.x || position.y !== this._lastBufferCell.y)) {
+      this._handleHover(position);
+      this._lastBufferCell = position;
+    }
+  }
+
+  private _handleHover(position: IBufferCellPosition): void {
+    // TODO: This currently does not cache link provider results across wrapped lines, activeLine
+    //       should be something like `activeRange: {startY, endY}`
+    // Check if we need to clear the link
+    if (this._activeLine !== position.y || this._wasResized) {
+      this._clearCurrentLink();
+      this._askForLink(position, false);
+      this._wasResized = false;
+      return;
+    }
+
+    // Check the if the link is in the mouse position
+    const isCurrentLinkInPosition = this._currentLink && this._linkAtPosition(this._currentLink.link, position);
+    if (!isCurrentLinkInPosition) {
+      this._clearCurrentLink();
+      this._askForLink(position, true);
+    }
+  }
+
+  private _askForLink(position: IBufferCellPosition, useLineCache: boolean): void {
+    if (!this._activeProviderReplies || !useLineCache) {
+      this._activeProviderReplies?.forEach(reply => {
+        reply?.forEach(linkWithState => {
+          if (linkWithState.link.dispose) {
+            linkWithState.link.dispose();
+          }
+        });
+      });
+      this._activeProviderReplies = new Map();
+      this._activeLine = position.y;
+    }
+    let linkProvided = false;
+
+    // There is no link cached, so ask for one
+    for (const [i, linkProvider] of this._linkProviderService.linkProviders.entries()) {
+      if (useLineCache) {
+        const existingReply = this._activeProviderReplies?.get(i);
+        // If there isn't a reply, the provider hasn't responded yet.
+
+        // TODO: If there isn't a reply yet it means that the provider is still resolving. Ensuring
+        // provideLinks isn't triggered again saves ILink.hover firing twice though. This probably
+        // needs promises to get fixed
+        if (existingReply) {
+          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);
+        }
+      } else {
+        linkProvider.provideLinks(position.y, (links: ILink[] | undefined) => {
+          if (this._isMouseOut) {
+            return;
+          }
+          const linksWithState: ILinkWithState[] | undefined = links?.map(link  => ({ link }));
+          this._activeProviderReplies?.set(i, linksWithState);
+          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);
+
+          // If all providers have responded, remove lower priority links that intersect ranges of
+          // higher priority links
+          if (this._activeProviderReplies?.size === this._linkProviderService.linkProviders.length) {
+            this._removeIntersectingLinks(position.y, this._activeProviderReplies);
+          }
+        });
+      }
+    }
+  }
+
+  private _removeIntersectingLinks(y: number, replies: Map<Number, ILinkWithState[] | undefined>): void {
+    const occupiedCells = new Set<number>();
+    for (let i = 0; i < replies.size; i++) {
+      const providerReply = replies.get(i);
+      if (!providerReply) {
+        continue;
+      }
+      for (let i = 0; i < providerReply.length; i++) {
+        const linkWithState = providerReply[i];
+        const startX = linkWithState.link.range.start.y < y ? 0 : linkWithState.link.range.start.x;
+        const endX = linkWithState.link.range.end.y > y ? this._bufferService.cols : linkWithState.link.range.end.x;
+        for (let x = startX; x <= endX; x++) {
+          if (occupiedCells.has(x)) {
+            providerReply.splice(i--, 1);
+            break;
+          }
+          occupiedCells.add(x);
+        }
+      }
+    }
+  }
+
+  private _checkLinkProviderResult(index: number, position: IBufferCellPosition, linkProvided: boolean): boolean {
+    if (!this._activeProviderReplies) {
+      return linkProvided;
+    }
+
+    const links = this._activeProviderReplies.get(index);
+
+    // Check if every provider before this one has come back undefined
+    let hasLinkBefore = false;
+    for (let j = 0; j < index; j++) {
+      if (!this._activeProviderReplies.has(j) || this._activeProviderReplies.get(j)) {
+        hasLinkBefore = true;
+      }
+    }
+
+    // If all providers with higher priority came back undefined, then this provider's link for
+    // the position should be used
+    if (!hasLinkBefore && links) {
+      const linkAtPosition = links.find(link => this._linkAtPosition(link.link, position));
+      if (linkAtPosition) {
+        linkProvided = true;
+        this._handleNewLink(linkAtPosition);
+      }
+    }
+
+    // Check if all the providers have responded
+    if (this._activeProviderReplies.size === this._linkProviderService.linkProviders.length && !linkProvided) {
+      // Respect the order of the link providers
+      for (let j = 0; j < this._activeProviderReplies.size; j++) {
+        const currentLink = this._activeProviderReplies.get(j)?.find(link => this._linkAtPosition(link.link, position));
+        if (currentLink) {
+          linkProvided = true;
+          this._handleNewLink(currentLink);
+          break;
+        }
+      }
+    }
+
+    return linkProvided;
+  }
+
+  private _handleMouseDown(): void {
+    this._mouseDownLink = this._currentLink;
+  }
+
+  private _handleMouseUp(event: MouseEvent): void {
+    if (!this._currentLink) {
+      return;
+    }
+
+    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);
+    if (!position) {
+      return;
+    }
+
+    if (this._mouseDownLink === this._currentLink && this._linkAtPosition(this._currentLink.link, position)) {
+      this._currentLink.link.activate(event, this._currentLink.link.text);
+    }
+  }
+
+  private _clearCurrentLink(startRow?: number, endRow?: number): void {
+    if (!this._currentLink || !this._lastMouseEvent) {
+      return;
+    }
+
+    // If we have a start and end row, check that the link is within it
+    if (!startRow || !endRow || (this._currentLink.link.range.start.y >= startRow && this._currentLink.link.range.end.y <= endRow)) {
+      this._linkLeave(this._element, this._currentLink.link, this._lastMouseEvent);
+      this._currentLink = undefined;
+      disposeArray(this._linkCacheDisposables);
+    }
+  }
+
+  private _handleNewLink(linkWithState: ILinkWithState): void {
+    if (!this._lastMouseEvent) {
+      return;
+    }
+
+    const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService);
+
+    if (!position) {
+      return;
+    }
+
+    // Trigger hover if the we have a link at the position
+    if (this._linkAtPosition(linkWithState.link, position)) {
+      this._currentLink = linkWithState;
+      this._currentLink.state = {
+        decorations: {
+          underline: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.underline,
+          pointerCursor: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.pointerCursor
+        },
+        isHovered: true
+      };
+      this._linkHover(this._element, linkWithState.link, this._lastMouseEvent);
+
+      // Add listener for tracking decorations changes
+      linkWithState.link.decorations = {} as ILinkDecorations;
+      Object.defineProperties(linkWithState.link.decorations, {
+        pointerCursor: {
+          get: () => this._currentLink?.state?.decorations.pointerCursor,
+          set: v => {
+            if (this._currentLink?.state && this._currentLink.state.decorations.pointerCursor !== v) {
+              this._currentLink.state.decorations.pointerCursor = v;
+              if (this._currentLink.state.isHovered) {
+                this._element.classList.toggle('xterm-cursor-pointer', v);
+              }
+            }
+          }
+        },
+        underline: {
+          get: () => this._currentLink?.state?.decorations.underline,
+          set: v => {
+            if (this._currentLink?.state && this._currentLink?.state?.decorations.underline !== v) {
+              this._currentLink.state.decorations.underline = v;
+              if (this._currentLink.state.isHovered) {
+                this._fireUnderlineEvent(linkWithState.link, v);
+              }
+            }
+          }
+        }
+      });
+
+      // Listen to viewport changes to re-render the link under the cursor (only when the line the
+      // link is on changes)
+      this._linkCacheDisposables.push(this._renderService.onRenderedViewportChange(e => {
+        // Sanity check, this shouldn't happen in practice as this listener would be disposed
+        if (!this._currentLink) {
+          return;
+        }
+        // When start is 0 a scroll most likely occurred, make sure links above the fold also get
+        // cleared.
+        const start = e.start === 0 ? 0 : e.start + 1 + this._bufferService.buffer.ydisp;
+        const end = this._bufferService.buffer.ydisp + 1 + e.end;
+        // Only clear the link if the viewport change happened on this line
+        if (this._currentLink.link.range.start.y >= start && this._currentLink.link.range.end.y <= end) {
+          this._clearCurrentLink(start, end);
+          if (this._lastMouseEvent) {
+            // re-eval previously active link after changes
+            const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService!);
+            if (position) {
+              this._askForLink(position, false);
+            }
+          }
+        }
+      }));
+    }
+  }
+
+  protected _linkHover(element: HTMLElement, link: ILink, event: MouseEvent): void {
+    if (this._currentLink?.state) {
+      this._currentLink.state.isHovered = true;
+      if (this._currentLink.state.decorations.underline) {
+        this._fireUnderlineEvent(link, true);
+      }
+      if (this._currentLink.state.decorations.pointerCursor) {
+        element.classList.add('xterm-cursor-pointer');
+      }
+    }
+
+    if (link.hover) {
+      link.hover(event, link.text);
+    }
+  }
+
+  private _fireUnderlineEvent(link: ILink, showEvent: boolean): void {
+    const range = link.range;
+    const scrollOffset = this._bufferService.buffer.ydisp;
+    const event = this._createLinkUnderlineEvent(range.start.x - 1, range.start.y - scrollOffset - 1, range.end.x, range.end.y - scrollOffset - 1, undefined);
+    const emitter = showEvent ? this._onShowLinkUnderline : this._onHideLinkUnderline;
+    emitter.fire(event);
+  }
+
+  protected _linkLeave(element: HTMLElement, link: ILink, event: MouseEvent): void {
+    if (this._currentLink?.state) {
+      this._currentLink.state.isHovered = false;
+      if (this._currentLink.state.decorations.underline) {
+        this._fireUnderlineEvent(link, false);
+      }
+      if (this._currentLink.state.decorations.pointerCursor) {
+        element.classList.remove('xterm-cursor-pointer');
+      }
+    }
+
+    if (link.leave) {
+      link.leave(event, link.text);
+    }
+  }
+
+  /**
+   * Check if the buffer position is within the link
+   * @param link
+   * @param position
+   */
+  private _linkAtPosition(link: ILink, position: IBufferCellPosition): boolean {
+    const lower = link.range.start.y * this._bufferService.cols + link.range.start.x;
+    const upper = link.range.end.y * this._bufferService.cols + link.range.end.x;
+    const current = position.y * this._bufferService.cols + position.x;
+    return (lower <= current && current <= upper);
+  }
+
+  /**
+   * Get the buffer position from a mouse event
+   * @param event
+   */
+  private _positionFromMouseEvent(event: MouseEvent, element: HTMLElement, mouseService: IMouseService): IBufferCellPosition | undefined {
+    const coords = mouseService.getCoords(event, element, this._bufferService.cols, this._bufferService.rows);
+    if (!coords) {
+      return;
+    }
+
+    return { x: coords[0], y: coords[1] + this._bufferService.buffer.ydisp };
+  }
+
+  private _createLinkUnderlineEvent(x1: number, y1: number, x2: number, y2: number, fg: number | undefined): ILinkifierEvent {
+    return { x1, y1, x2, y2, cols: this._bufferService.cols, fg };
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/LocalizableStrings.ts b/web/public/node_modules/@xterm/xterm/src/browser/LocalizableStrings.ts
new file mode 100644
index 000000000..d8bcc2c61
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/LocalizableStrings.ts
@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+// This file contains strings that get exported in the API so they can be localized
+
+// eslint-disable-next-line prefer-const
+export let promptLabel = 'Terminal input';
+
+// eslint-disable-next-line prefer-const
+export let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/OscLinkProvider.ts b/web/public/node_modules/@xterm/xterm/src/browser/OscLinkProvider.ts
new file mode 100644
index 000000000..a079fe67e
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/OscLinkProvider.ts
@@ -0,0 +1,129 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferRange, ILink } from 'browser/Types';
+import { ILinkProvider } from 'browser/services/Services';
+import { CellData } from 'common/buffer/CellData';
+import { IBufferService, IOptionsService, IOscLinkService } from 'common/services/Services';
+
+export class OscLinkProvider implements ILinkProvider {
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IOscLinkService private readonly _oscLinkService: IOscLinkService
+  ) {
+  }
+
+  public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {
+    const line = this._bufferService.buffer.lines.get(y - 1);
+    if (!line) {
+      callback(undefined);
+      return;
+    }
+
+    const result: ILink[] = [];
+    const linkHandler = this._optionsService.rawOptions.linkHandler;
+    const cell = new CellData();
+    const lineLength = line.getTrimmedLength();
+    let currentLinkId = -1;
+    let currentStart = -1;
+    let finishLink = false;
+    for (let x = 0; x < lineLength; x++) {
+      // Minor optimization, only check for content if there isn't a link in case the link ends with
+      // a null cell
+      if (currentStart === -1 && !line.hasContent(x)) {
+        continue;
+      }
+
+      line.loadCell(x, cell);
+      if (cell.hasExtendedAttrs() && cell.extended.urlId) {
+        if (currentStart === -1) {
+          currentStart = x;
+          currentLinkId = cell.extended.urlId;
+          continue;
+        } else {
+          finishLink = cell.extended.urlId !== currentLinkId;
+        }
+      } else {
+        if (currentStart !== -1) {
+          finishLink = true;
+        }
+      }
+
+      if (finishLink || (currentStart !== -1 && x === lineLength - 1)) {
+        const text = this._oscLinkService.getLinkData(currentLinkId)?.uri;
+        if (text) {
+          // These ranges are 1-based
+          const range: IBufferRange = {
+            start: {
+              x: currentStart + 1,
+              y
+            },
+            end: {
+              // Offset end x if it's a link that ends on the last cell in the line
+              x: x + (!finishLink && x === lineLength - 1 ? 1 : 0),
+              y
+            }
+          };
+
+          let ignoreLink = false;
+          if (!linkHandler?.allowNonHttpProtocols) {
+            try {
+              const parsed = new URL(text);
+              if (!['http:', 'https:'].includes(parsed.protocol)) {
+                ignoreLink = true;
+              }
+            } catch (e) {
+              // Ignore invalid URLs to prevent unexpected behaviors
+              ignoreLink = true;
+            }
+          }
+
+          if (!ignoreLink) {
+            // OSC links always use underline and pointer decorations
+            result.push({
+              text,
+              range,
+              activate: (e, text) => (linkHandler ? linkHandler.activate(e, text, range) : defaultActivate(e, text)),
+              hover: (e, text) => linkHandler?.hover?.(e, text, range),
+              leave: (e, text) => linkHandler?.leave?.(e, text, range)
+            });
+          }
+        }
+        finishLink = false;
+
+        // Clear link or start a new link if one starts immediately
+        if (cell.hasExtendedAttrs() && cell.extended.urlId) {
+          currentStart = x;
+          currentLinkId = cell.extended.urlId;
+        } else {
+          currentStart = -1;
+          currentLinkId = -1;
+        }
+      }
+    }
+
+    // TODO: Handle fetching and returning other link ranges to underline other links with the same
+    //       id
+    callback(result);
+  }
+}
+
+function defaultActivate(e: MouseEvent, uri: string): void {
+  const answer = confirm(`Do you want to navigate to ${uri}?\n\nWARNING: This link could potentially be dangerous`);
+  if (answer) {
+    const newWindow = window.open();
+    if (newWindow) {
+      try {
+        newWindow.opener = null;
+      } catch {
+        // no-op, Electron can throw
+      }
+      newWindow.location.href = uri;
+    } else {
+      console.warn('Opening link blocked as opener could not be cleared');
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/RenderDebouncer.ts b/web/public/node_modules/@xterm/xterm/src/browser/RenderDebouncer.ts
new file mode 100644
index 000000000..dd3b97a60
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/RenderDebouncer.ts
@@ -0,0 +1,84 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IRenderDebouncerWithCallback } from 'browser/Types';
+import { ICoreBrowserService } from 'browser/services/Services';
+
+/**
+ * Debounces calls to render terminal rows using animation frames.
+ */
+export class RenderDebouncer implements IRenderDebouncerWithCallback {
+  private _rowStart: number | undefined;
+  private _rowEnd: number | undefined;
+  private _rowCount: number | undefined;
+  private _animationFrame: number | undefined;
+  private _refreshCallbacks: FrameRequestCallback[] = [];
+
+  constructor(
+    private _renderCallback: (start: number, end: number) => void,
+    private readonly _coreBrowserService: ICoreBrowserService
+  ) {
+  }
+
+  public dispose(): void {
+    if (this._animationFrame) {
+      this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame);
+      this._animationFrame = undefined;
+    }
+  }
+
+  public addRefreshCallback(callback: FrameRequestCallback): number {
+    this._refreshCallbacks.push(callback);
+    if (!this._animationFrame) {
+      this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());
+    }
+    return this._animationFrame;
+  }
+
+  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {
+    this._rowCount = rowCount;
+    // Get the min/max row start/end for the arg values
+    rowStart = rowStart !== undefined ? rowStart : 0;
+    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
+    // Set the properties to the updated values
+    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
+    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
+
+    if (this._animationFrame) {
+      return;
+    }
+
+    this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());
+  }
+
+  private _innerRefresh(): void {
+    this._animationFrame = undefined;
+
+    // Make sure values are set
+    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
+      this._runRefreshCallbacks();
+      return;
+    }
+
+    // Clamp values
+    const start = Math.max(this._rowStart, 0);
+    const end = Math.min(this._rowEnd, this._rowCount - 1);
+
+    // Reset debouncer (this happens before render callback as the render could trigger it again)
+    this._rowStart = undefined;
+    this._rowEnd = undefined;
+
+    // Run render callback
+    this._renderCallback(start, end);
+    this._runRefreshCallbacks();
+  }
+
+  private _runRefreshCallbacks(): void {
+    for (const callback of this._refreshCallbacks) {
+      callback(0);
+    }
+    this._refreshCallbacks = [];
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/Terminal.ts b/web/public/node_modules/@xterm/xterm/src/browser/Terminal.ts
new file mode 100644
index 000000000..0e945aa92
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/Terminal.ts
@@ -0,0 +1,1325 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ *
+ * Terminal Emulation References:
+ *   http://vt100.net/
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
+ *   http://invisible-island.net/vttest/
+ *   http://www.inwap.com/pdp10/ansicode.txt
+ *   http://linux.die.net/man/4/console_codes
+ *   http://linux.die.net/man/7/urxvt
+ */
+
+import { copyHandler, handlePasteEvent, moveTextAreaUnderMouseCursor, paste, rightClickHandler } from 'browser/Clipboard';
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { Linkifier } from './Linkifier';
+import * as Strings from 'browser/LocalizableStrings';
+import { OscLinkProvider } from 'browser/OscLinkProvider';
+import { CharacterJoinerHandler, CustomKeyEventHandler, CustomWheelEventHandler, IBrowser, IBufferRange, ICompositionHelper, ILinkifier2, ITerminal, IViewport } from 'browser/Types';
+import { Viewport } from 'browser/Viewport';
+import { BufferDecorationRenderer } from 'browser/decorations/BufferDecorationRenderer';
+import { OverviewRulerRenderer } from 'browser/decorations/OverviewRulerRenderer';
+import { CompositionHelper } from 'browser/input/CompositionHelper';
+import { DomRenderer } from 'browser/renderer/dom/DomRenderer';
+import { IRenderer } from 'browser/renderer/shared/Types';
+import { CharSizeService } from 'browser/services/CharSizeService';
+import { CharacterJoinerService } from 'browser/services/CharacterJoinerService';
+import { CoreBrowserService } from 'browser/services/CoreBrowserService';
+import { MouseService } from 'browser/services/MouseService';
+import { RenderService } from 'browser/services/RenderService';
+import { SelectionService } from 'browser/services/SelectionService';
+import { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, ILinkProviderService, IMouseService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';
+import { ThemeService } from 'browser/services/ThemeService';
+import { channels, color } from 'common/Color';
+import { CoreTerminal } from 'common/CoreTerminal';
+import { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';
+import { MutableDisposable, toDisposable } from 'common/Lifecycle';
+import * as Browser from 'common/Platform';
+import { ColorRequestType, CoreMouseAction, CoreMouseButton, CoreMouseEventType, IColorEvent, ITerminalOptions, KeyboardResultType, ScrollSource, SpecialColorIndex } from 'common/Types';
+import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { IBuffer } from 'common/buffer/Types';
+import { C0, C1_ESCAPED } from 'common/data/EscapeSequences';
+import { evaluateKeyboardEvent } from 'common/input/Keyboard';
+import { toRgbString } from 'common/input/XParseColor';
+import { DecorationService } from 'common/services/DecorationService';
+import { IDecorationService } from 'common/services/Services';
+import { IDecoration, IDecorationOptions, IDisposable, ILinkProvider, IMarker } from '@xterm/xterm';
+import { WindowsOptionsReportType } from '../common/InputHandler';
+import { AccessibilityManager } from './AccessibilityManager';
+import { LinkProviderService } from 'browser/services/LinkProviderService';
+
+export class Terminal extends CoreTerminal implements ITerminal {
+  public textarea: HTMLTextAreaElement | undefined;
+  public element: HTMLElement | undefined;
+  public screenElement: HTMLElement | undefined;
+
+  private _document: Document | undefined;
+  private _viewportScrollArea: HTMLElement | undefined;
+  private _viewportElement: HTMLElement | undefined;
+  private _helperContainer: HTMLElement | undefined;
+  private _compositionView: HTMLElement | undefined;
+
+  public linkifier: ILinkifier2 | undefined;
+  private _overviewRulerRenderer: OverviewRulerRenderer | undefined;
+
+  public browser: IBrowser = Browser as any;
+
+  private _customKeyEventHandler: CustomKeyEventHandler | undefined;
+  private _customWheelEventHandler: CustomWheelEventHandler | undefined;
+
+  // Browser services
+  private _decorationService: DecorationService;
+  private _linkProviderService: ILinkProviderService;
+
+  // Optional browser services
+  private _charSizeService: ICharSizeService | undefined;
+  private _coreBrowserService: ICoreBrowserService | undefined;
+  private _mouseService: IMouseService | undefined;
+  private _renderService: IRenderService | undefined;
+  private _themeService: IThemeService | undefined;
+  private _characterJoinerService: ICharacterJoinerService | undefined;
+  private _selectionService: ISelectionService | undefined;
+
+  /**
+   * Records whether the keydown event has already been handled and triggered a data event, if so
+   * the keypress event should not trigger a data event but should still print to the textarea so
+   * screen readers will announce it.
+   */
+  private _keyDownHandled: boolean = false;
+
+  /**
+   * Records whether a keydown event has occured since the last keyup event, i.e. whether a key
+   * is currently "pressed".
+   */
+  private _keyDownSeen: boolean = false;
+
+  /**
+   * Records whether the keypress event has already been handled and triggered a data event, if so
+   * the input event should not trigger a data event but should still print to the textarea so
+   * screen readers will announce it.
+   */
+  private _keyPressHandled: boolean = false;
+
+  /**
+   * Records whether there has been a keydown event for a dead key without a corresponding keydown
+   * event for the composed/alternative character. If we cancel the keydown event for the dead key,
+   * no events will be emitted for the final character.
+   */
+  private _unprocessedDeadKey: boolean = false;
+
+  public viewport: IViewport | undefined;
+  private _compositionHelper: ICompositionHelper | undefined;
+  private _accessibilityManager: MutableDisposable<AccessibilityManager> = this.register(new MutableDisposable());
+
+  private readonly _onCursorMove = this.register(new EventEmitter<void>());
+  public readonly onCursorMove = this._onCursorMove.event;
+  private readonly _onKey = this.register(new EventEmitter<{ key: string, domEvent: KeyboardEvent }>());
+  public readonly onKey = this._onKey.event;
+  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRender = this._onRender.event;
+  private readonly _onSelectionChange = this.register(new EventEmitter<void>());
+  public readonly onSelectionChange = this._onSelectionChange.event;
+  private readonly _onTitleChange = this.register(new EventEmitter<string>());
+  public readonly onTitleChange = this._onTitleChange.event;
+  private readonly _onBell = this.register(new EventEmitter<void>());
+  public readonly onBell = this._onBell.event;
+
+  private _onFocus = this.register(new EventEmitter<void>());
+  public get onFocus(): IEvent<void> { return this._onFocus.event; }
+  private _onBlur = this.register(new EventEmitter<void>());
+  public get onBlur(): IEvent<void> { return this._onBlur.event; }
+  private _onA11yCharEmitter = this.register(new EventEmitter<string>());
+  public get onA11yChar(): IEvent<string> { return this._onA11yCharEmitter.event; }
+  private _onA11yTabEmitter = this.register(new EventEmitter<number>());
+  public get onA11yTab(): IEvent<number> { return this._onA11yTabEmitter.event; }
+  private _onWillOpen = this.register(new EventEmitter<HTMLElement>());
+  public get onWillOpen(): IEvent<HTMLElement> { return this._onWillOpen.event; }
+
+  constructor(
+    options: Partial<ITerminalOptions> = {}
+  ) {
+    super(options);
+
+    this._setup();
+
+    this._decorationService = this._instantiationService.createInstance(DecorationService);
+    this._instantiationService.setService(IDecorationService, this._decorationService);
+    this._linkProviderService = this._instantiationService.createInstance(LinkProviderService);
+    this._instantiationService.setService(ILinkProviderService, this._linkProviderService);
+    this._linkProviderService.registerLinkProvider(this._instantiationService.createInstance(OscLinkProvider));
+
+    // Setup InputHandler listeners
+    this.register(this._inputHandler.onRequestBell(() => this._onBell.fire()));
+    this.register(this._inputHandler.onRequestRefreshRows((start, end) => this.refresh(start, end)));
+    this.register(this._inputHandler.onRequestSendFocus(() => this._reportFocus()));
+    this.register(this._inputHandler.onRequestReset(() => this.reset()));
+    this.register(this._inputHandler.onRequestWindowsOptionsReport(type => this._reportWindowsOptions(type)));
+    this.register(this._inputHandler.onColor((event) => this._handleColorEvent(event)));
+    this.register(forwardEvent(this._inputHandler.onCursorMove, this._onCursorMove));
+    this.register(forwardEvent(this._inputHandler.onTitleChange, this._onTitleChange));
+    this.register(forwardEvent(this._inputHandler.onA11yChar, this._onA11yCharEmitter));
+    this.register(forwardEvent(this._inputHandler.onA11yTab, this._onA11yTabEmitter));
+
+    // Setup listeners
+    this.register(this._bufferService.onResize(e => this._afterResize(e.cols, e.rows)));
+
+    this.register(toDisposable(() => {
+      this._customKeyEventHandler = undefined;
+      this.element?.parentNode?.removeChild(this.element);
+    }));
+  }
+
+  /**
+   * Handle color event from inputhandler for OSC 4|104 | 10|110 | 11|111 | 12|112.
+   * An event from OSC 4|104 may contain multiple set or report requests, and multiple
+   * or none restore requests (resetting all),
+   * while an event from OSC 10|110 | 11|111 | 12|112 always contains a single request.
+   */
+  private _handleColorEvent(event: IColorEvent): void {
+    if (!this._themeService) return;
+    for (const req of event) {
+      let acc: 'foreground' | 'background' | 'cursor' | 'ansi';
+      let ident = '';
+      switch (req.index) {
+        case SpecialColorIndex.FOREGROUND: // OSC 10 | 110
+          acc = 'foreground';
+          ident = '10';
+          break;
+        case SpecialColorIndex.BACKGROUND: // OSC 11 | 111
+          acc = 'background';
+          ident = '11';
+          break;
+        case SpecialColorIndex.CURSOR: // OSC 12 | 112
+          acc = 'cursor';
+          ident = '12';
+          break;
+        default: // OSC 4 | 104
+          // we can skip the [0..255] range check here (already done in inputhandler)
+          acc = 'ansi';
+          ident = '4;' + req.index;
+      }
+      switch (req.type) {
+        case ColorRequestType.REPORT:
+          const colorRgb = color.toColorRGB(acc === 'ansi'
+            ? this._themeService.colors.ansi[req.index]
+            : this._themeService.colors[acc]);
+          this.coreService.triggerDataEvent(`${C0.ESC}]${ident};${toRgbString(colorRgb)}${C1_ESCAPED.ST}`);
+          break;
+        case ColorRequestType.SET:
+          if (acc === 'ansi') {
+            this._themeService.modifyColors(colors => colors.ansi[req.index] = channels.toColor(...req.color));
+          } else {
+            const narrowedAcc = acc;
+            this._themeService.modifyColors(colors => colors[narrowedAcc] = channels.toColor(...req.color));
+          }
+          break;
+        case ColorRequestType.RESTORE:
+          this._themeService.restoreColor(req.index);
+          break;
+      }
+    }
+  }
+
+  protected _setup(): void {
+    super._setup();
+
+    this._customKeyEventHandler = undefined;
+  }
+
+  /**
+   * Convenience property to active buffer.
+   */
+  public get buffer(): IBuffer {
+    return this.buffers.active;
+  }
+
+  /**
+   * Focus the terminal. Delegates focus handling to the terminal's DOM element.
+   */
+  public focus(): void {
+    if (this.textarea) {
+      this.textarea.focus({ preventScroll: true });
+    }
+  }
+
+  private _handleScreenReaderModeOptionChange(value: boolean): void {
+    if (value) {
+      if (!this._accessibilityManager.value && this._renderService) {
+        this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);
+      }
+    } else {
+      this._accessibilityManager.clear();
+    }
+  }
+
+  /**
+   * Binds the desired focus behavior on a given terminal object.
+   */
+  private _handleTextAreaFocus(ev: FocusEvent): void {
+    if (this.coreService.decPrivateModes.sendFocus) {
+      this.coreService.triggerDataEvent(C0.ESC + '[I');
+    }
+    this.element!.classList.add('focus');
+    this._showCursor();
+    this._onFocus.fire();
+  }
+
+  /**
+   * Blur the terminal, calling the blur function on the terminal's underlying
+   * textarea.
+   */
+  public blur(): void {
+    return this.textarea?.blur();
+  }
+
+  /**
+   * Binds the desired blur behavior on a given terminal object.
+   */
+  private _handleTextAreaBlur(): void {
+    // Text can safely be removed on blur. Doing it earlier could interfere with
+    // screen readers reading it out.
+    this.textarea!.value = '';
+    this.refresh(this.buffer.y, this.buffer.y);
+    if (this.coreService.decPrivateModes.sendFocus) {
+      this.coreService.triggerDataEvent(C0.ESC + '[O');
+    }
+    this.element!.classList.remove('focus');
+    this._onBlur.fire();
+  }
+
+  private _syncTextArea(): void {
+    if (!this.textarea || !this.buffer.isCursorInViewport || this._compositionHelper!.isComposing || !this._renderService) {
+      return;
+    }
+    const cursorY = this.buffer.ybase + this.buffer.y;
+    const bufferLine = this.buffer.lines.get(cursorY);
+    if (!bufferLine) {
+      return;
+    }
+    const cursorX = Math.min(this.buffer.x, this.cols - 1);
+    const cellHeight = this._renderService.dimensions.css.cell.height;
+    const width = bufferLine.getWidth(cursorX);
+    const cellWidth = this._renderService.dimensions.css.cell.width * width;
+    const cursorTop = this.buffer.y * this._renderService.dimensions.css.cell.height;
+    const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;
+
+    // Sync the textarea to the exact position of the composition view so the IME knows where the
+    // text is.
+    this.textarea.style.left = cursorLeft + 'px';
+    this.textarea.style.top = cursorTop + 'px';
+    this.textarea.style.width = cellWidth + 'px';
+    this.textarea.style.height = cellHeight + 'px';
+    this.textarea.style.lineHeight = cellHeight + 'px';
+    this.textarea.style.zIndex = '-5';
+  }
+
+  /**
+   * Initialize default behavior
+   */
+  private _initGlobal(): void {
+    this._bindKeys();
+
+    // Bind clipboard functionality
+    this.register(addDisposableDomListener(this.element!, 'copy', (event: ClipboardEvent) => {
+      // If mouse events are active it means the selection manager is disabled and
+      // copy should be handled by the host program.
+      if (!this.hasSelection()) {
+        return;
+      }
+      copyHandler(event, this._selectionService!);
+    }));
+    const pasteHandlerWrapper = (event: ClipboardEvent): void => handlePasteEvent(event, this.textarea!, this.coreService, this.optionsService);
+    this.register(addDisposableDomListener(this.textarea!, 'paste', pasteHandlerWrapper));
+    this.register(addDisposableDomListener(this.element!, 'paste', pasteHandlerWrapper));
+
+    // Handle right click context menus
+    if (Browser.isFirefox) {
+      // Firefox doesn't appear to fire the contextmenu event on right click
+      this.register(addDisposableDomListener(this.element!, 'mousedown', (event: MouseEvent) => {
+        if (event.button === 2) {
+          rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);
+        }
+      }));
+    } else {
+      this.register(addDisposableDomListener(this.element!, 'contextmenu', (event: MouseEvent) => {
+        rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);
+      }));
+    }
+
+    // Move the textarea under the cursor when middle clicking on Linux to ensure
+    // middle click to paste selection works. This only appears to work in Chrome
+    // at the time is writing.
+    if (Browser.isLinux) {
+      // Use auxclick event over mousedown the latter doesn't seem to work. Note
+      // that the regular click event doesn't fire for the middle mouse button.
+      this.register(addDisposableDomListener(this.element!, 'auxclick', (event: MouseEvent) => {
+        if (event.button === 1) {
+          moveTextAreaUnderMouseCursor(event, this.textarea!, this.screenElement!);
+        }
+      }));
+    }
+  }
+
+  /**
+   * Apply key handling to the terminal
+   */
+  private _bindKeys(): void {
+    this.register(addDisposableDomListener(this.textarea!, 'keyup', (ev: KeyboardEvent) => this._keyUp(ev), true));
+    this.register(addDisposableDomListener(this.textarea!, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));
+    this.register(addDisposableDomListener(this.textarea!, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));
+    this.register(addDisposableDomListener(this.textarea!, 'compositionstart', () => this._compositionHelper!.compositionstart()));
+    this.register(addDisposableDomListener(this.textarea!, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper!.compositionupdate(e)));
+    this.register(addDisposableDomListener(this.textarea!, 'compositionend', () => this._compositionHelper!.compositionend()));
+    this.register(addDisposableDomListener(this.textarea!, 'input', (ev: InputEvent) => this._inputEvent(ev), true));
+    this.register(this.onRender(() => this._compositionHelper!.updateCompositionElements()));
+  }
+
+  /**
+   * Opens the terminal within an element.
+   *
+   * @param parent The element to create the terminal within.
+   */
+  public open(parent: HTMLElement): void {
+    if (!parent) {
+      throw new Error('Terminal requires a parent element.');
+    }
+
+    if (!parent.isConnected) {
+      this._logService.debug('Terminal.open was called on an element that was not attached to the DOM');
+    }
+
+    // If the terminal is already opened
+    if (this.element?.ownerDocument.defaultView && this._coreBrowserService) {
+      // Adjust the window if needed
+      if (this.element.ownerDocument.defaultView !== this._coreBrowserService.window) {
+        this._coreBrowserService.window = this.element.ownerDocument.defaultView;
+      }
+      return;
+    }
+
+    this._document = parent.ownerDocument;
+    if (this.options.documentOverride && this.options.documentOverride instanceof Document) {
+      this._document = this.optionsService.rawOptions.documentOverride as Document;
+    }
+
+    // Create main element container
+    this.element = this._document.createElement('div');
+    this.element.dir = 'ltr';   // xterm.css assumes LTR
+    this.element.classList.add('terminal');
+    this.element.classList.add('xterm');
+    parent.appendChild(this.element);
+
+    // Performance: Use a document fragment to build the terminal
+    // viewport and helper elements detached from the DOM
+    const fragment = this._document.createDocumentFragment();
+    this._viewportElement = this._document.createElement('div');
+    this._viewportElement.classList.add('xterm-viewport');
+    fragment.appendChild(this._viewportElement);
+
+    this._viewportScrollArea = this._document.createElement('div');
+    this._viewportScrollArea.classList.add('xterm-scroll-area');
+    this._viewportElement.appendChild(this._viewportScrollArea);
+
+    this.screenElement = this._document.createElement('div');
+    this.screenElement.classList.add('xterm-screen');
+    this.register(addDisposableDomListener(this.screenElement, 'mousemove', (ev: MouseEvent) => this.updateCursorStyle(ev)));
+    // Create the container that will hold helpers like the textarea for
+    // capturing DOM Events. Then produce the helpers.
+    this._helperContainer = this._document.createElement('div');
+    this._helperContainer.classList.add('xterm-helpers');
+    this.screenElement.appendChild(this._helperContainer);
+    fragment.appendChild(this.screenElement);
+
+    this.textarea = this._document.createElement('textarea');
+    this.textarea.classList.add('xterm-helper-textarea');
+    this.textarea.setAttribute('aria-label', Strings.promptLabel);
+    if (!Browser.isChromeOS) {
+      // ChromeVox on ChromeOS does not like this. See
+      // https://issuetracker.google.com/issues/260170397
+      this.textarea.setAttribute('aria-multiline', 'false');
+    }
+    this.textarea.setAttribute('autocorrect', 'off');
+    this.textarea.setAttribute('autocapitalize', 'off');
+    this.textarea.setAttribute('spellcheck', 'false');
+    this.textarea.tabIndex = 0;
+
+    // Register the core browser service before the generic textarea handlers are registered so it
+    // handles them first. Otherwise the renderers may use the wrong focus state.
+    this._coreBrowserService = this.register(this._instantiationService.createInstance(CoreBrowserService,
+      this.textarea,
+      parent.ownerDocument.defaultView ?? window,
+      // Force unsafe null in node.js environment for tests
+      this._document ?? (typeof window !== 'undefined') ? window.document : null as any
+    ));
+    this._instantiationService.setService(ICoreBrowserService, this._coreBrowserService);
+
+    this.register(addDisposableDomListener(this.textarea, 'focus', (ev: FocusEvent) => this._handleTextAreaFocus(ev)));
+    this.register(addDisposableDomListener(this.textarea, 'blur', () => this._handleTextAreaBlur()));
+    this._helperContainer.appendChild(this.textarea);
+
+    this._charSizeService = this._instantiationService.createInstance(CharSizeService, this._document, this._helperContainer);
+    this._instantiationService.setService(ICharSizeService, this._charSizeService);
+
+    this._themeService = this._instantiationService.createInstance(ThemeService);
+    this._instantiationService.setService(IThemeService, this._themeService);
+
+    this._characterJoinerService = this._instantiationService.createInstance(CharacterJoinerService);
+    this._instantiationService.setService(ICharacterJoinerService, this._characterJoinerService);
+
+    this._renderService = this.register(this._instantiationService.createInstance(RenderService, this.rows, this.screenElement));
+    this._instantiationService.setService(IRenderService, this._renderService);
+    this.register(this._renderService.onRenderedViewportChange(e => this._onRender.fire(e)));
+    this.onResize(e => this._renderService!.resize(e.cols, e.rows));
+
+    this._compositionView = this._document.createElement('div');
+    this._compositionView.classList.add('composition-view');
+    this._compositionHelper = this._instantiationService.createInstance(CompositionHelper, this.textarea, this._compositionView);
+    this._helperContainer.appendChild(this._compositionView);
+
+    this._mouseService = this._instantiationService.createInstance(MouseService);
+    this._instantiationService.setService(IMouseService, this._mouseService);
+
+    this.linkifier = this.register(this._instantiationService.createInstance(Linkifier, this.screenElement));
+
+    // Performance: Add viewport and helper elements from the fragment
+    this.element.appendChild(fragment);
+
+    try {
+      this._onWillOpen.fire(this.element);
+    }
+    catch { /* fails to load addon for some reason */ }
+    if (!this._renderService.hasRenderer()) {
+      this._renderService.setRenderer(this._createRenderer());
+    }
+
+    this.viewport = this._instantiationService.createInstance(Viewport, this._viewportElement, this._viewportScrollArea);
+    this.viewport.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent, ScrollSource.VIEWPORT)),
+    this.register(this._inputHandler.onRequestSyncScrollBar(() => this.viewport!.syncScrollArea()));
+    this.register(this.viewport);
+
+    this.register(this.onCursorMove(() => {
+      this._renderService!.handleCursorMove();
+      this._syncTextArea();
+    }));
+    this.register(this.onResize(() => this._renderService!.handleResize(this.cols, this.rows)));
+    this.register(this.onBlur(() => this._renderService!.handleBlur()));
+    this.register(this.onFocus(() => this._renderService!.handleFocus()));
+    this.register(this._renderService.onDimensionsChange(() => this.viewport!.syncScrollArea()));
+
+    this._selectionService = this.register(this._instantiationService.createInstance(SelectionService,
+      this.element,
+      this.screenElement,
+      this.linkifier
+    ));
+    this._instantiationService.setService(ISelectionService, this._selectionService);
+    this.register(this._selectionService.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent)));
+    this.register(this._selectionService.onSelectionChange(() => this._onSelectionChange.fire()));
+    this.register(this._selectionService.onRequestRedraw(e => this._renderService!.handleSelectionChanged(e.start, e.end, e.columnSelectMode)));
+    this.register(this._selectionService.onLinuxMouseSelection(text => {
+      // If there's a new selection, put it into the textarea, focus and select it
+      // in order to register it as a selection on the OS. This event is fired
+      // only on Linux to enable middle click to paste selection.
+      this.textarea!.value = text;
+      this.textarea!.focus();
+      this.textarea!.select();
+    }));
+    this.register(this._onScroll.event(ev => {
+      this.viewport!.syncScrollArea();
+      this._selectionService!.refresh();
+    }));
+    this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this._selectionService!.refresh()));
+
+    this.register(this._instantiationService.createInstance(BufferDecorationRenderer, this.screenElement));
+    this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.handleMouseDown(e)));
+
+    // apply mouse event classes set by escape codes before terminal was attached
+    if (this.coreMouseService.areMouseEventsActive) {
+      this._selectionService.disable();
+      this.element.classList.add('enable-mouse-events');
+    } else {
+      this._selectionService.enable();
+    }
+
+    if (this.options.screenReaderMode) {
+      // Note that this must be done *after* the renderer is created in order to
+      // ensure the correct order of the dprchange event
+      this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);
+    }
+    this.register(this.optionsService.onSpecificOptionChange('screenReaderMode', e => this._handleScreenReaderModeOptionChange(e)));
+
+    if (this.options.overviewRulerWidth) {
+      this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
+    }
+    this.optionsService.onSpecificOptionChange('overviewRulerWidth', value => {
+      if (!this._overviewRulerRenderer && value && this._viewportElement && this.screenElement) {
+        this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
+      }
+    });
+    // Measure the character size
+    this._charSizeService.measure();
+
+    // Setup loop that draws to screen
+    this.refresh(0, this.rows - 1);
+
+    // Initialize global actions that need to be taken on the document.
+    this._initGlobal();
+
+    // Listen for mouse events and translate
+    // them into terminal mouse protocols.
+    this.bindMouse();
+  }
+
+  private _createRenderer(): IRenderer {
+    return this._instantiationService.createInstance(DomRenderer, this, this._document!, this.element!, this.screenElement!, this._viewportElement!, this._helperContainer!, this.linkifier!);
+  }
+
+  /**
+   * Bind certain mouse events to the terminal.
+   * By default only 3 button + wheel up/down is ativated. For higher buttons
+   * no mouse report will be created. Typically the standard actions will be active.
+   *
+   * There are several reasons not to enable support for higher buttons/wheel:
+   * - Button 4 and 5 are typically used for history back and forward navigation,
+   *   there is no straight forward way to supress/intercept those standard actions.
+   * - Support for higher buttons does not work in some platform/browser combinations.
+   * - Left/right wheel was not tested.
+   * - Emulators vary in mouse button support, typically only 3 buttons and
+   *   wheel up/down work reliable.
+   *
+   * TODO: Move mouse event code into its own file.
+   */
+  public bindMouse(): void {
+    const self = this;
+    const el = this.element!;
+
+    // send event to CoreMouseService
+    function sendEvent(ev: MouseEvent | WheelEvent): boolean {
+      // get mouse coordinates
+      const pos = self._mouseService!.getMouseReportCoords(ev, self.screenElement!);
+      if (!pos) {
+        return false;
+      }
+
+      let but: CoreMouseButton;
+      let action: CoreMouseAction | undefined;
+      switch ((ev as any).overrideType || ev.type) {
+        case 'mousemove':
+          action = CoreMouseAction.MOVE;
+          if (ev.buttons === undefined) {
+            // buttons is not supported on macOS, try to get a value from button instead
+            but = CoreMouseButton.NONE;
+            if (ev.button !== undefined) {
+              but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;
+            }
+          } else {
+            // according to MDN buttons only reports up to button 5 (AUX2)
+            but = ev.buttons & 1 ? CoreMouseButton.LEFT :
+              ev.buttons & 4 ? CoreMouseButton.MIDDLE :
+                ev.buttons & 2 ? CoreMouseButton.RIGHT :
+                  CoreMouseButton.NONE; // fallback to NONE
+          }
+          break;
+        case 'mouseup':
+          action = CoreMouseAction.UP;
+          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;
+          break;
+        case 'mousedown':
+          action = CoreMouseAction.DOWN;
+          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;
+          break;
+        case 'wheel':
+          if (self._customWheelEventHandler && self._customWheelEventHandler(ev as WheelEvent) === false) {
+            return false;
+          }
+          const amount = self.viewport!.getLinesScrolled(ev as WheelEvent);
+
+          if (amount === 0) {
+            return false;
+          }
+
+          action = (ev as WheelEvent).deltaY < 0 ? CoreMouseAction.UP : CoreMouseAction.DOWN;
+          but = CoreMouseButton.WHEEL;
+          break;
+        default:
+          // dont handle other event types by accident
+          return false;
+      }
+
+      // exit if we cannot determine valid button/action values
+      // do nothing for higher buttons than wheel
+      if (action === undefined || but === undefined || but > CoreMouseButton.WHEEL) {
+        return false;
+      }
+
+      return self.coreMouseService.triggerMouseEvent({
+        col: pos.col,
+        row: pos.row,
+        x: pos.x,
+        y: pos.y,
+        button: but,
+        action,
+        ctrl: ev.ctrlKey,
+        alt: ev.altKey,
+        shift: ev.shiftKey
+      });
+    }
+
+    /**
+     * Event listener state handling.
+     * We listen to the onProtocolChange event of CoreMouseService and put
+     * requested listeners in `requestedEvents`. With this the listeners
+     * have all bits to do the event listener juggling.
+     * Note: 'mousedown' currently is "always on" and not managed
+     * by onProtocolChange.
+     */
+    const requestedEvents: { [key: string]: ((ev: Event) => void) | null } = {
+      mouseup: null,
+      wheel: null,
+      mousedrag: null,
+      mousemove: null
+    };
+    const eventListeners: { [key: string]: (ev: any) => void | boolean } = {
+      mouseup: (ev: MouseEvent) => {
+        sendEvent(ev);
+        if (!ev.buttons) {
+          // if no other button is held remove global handlers
+          this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);
+          if (requestedEvents.mousedrag) {
+            this._document!.removeEventListener('mousemove', requestedEvents.mousedrag);
+          }
+        }
+        return this.cancel(ev);
+      },
+      wheel: (ev: WheelEvent) => {
+        sendEvent(ev);
+        return this.cancel(ev, true);
+      },
+      mousedrag: (ev: MouseEvent) => {
+        // deal only with move while a button is held
+        if (ev.buttons) {
+          sendEvent(ev);
+        }
+      },
+      mousemove: (ev: MouseEvent) => {
+        // deal only with move without any button
+        if (!ev.buttons) {
+          sendEvent(ev);
+        }
+      }
+    };
+    this.register(this.coreMouseService.onProtocolChange(events => {
+      // apply global changes on events
+      if (events) {
+        if (this.optionsService.rawOptions.logLevel === 'debug') {
+          this._logService.debug('Binding to mouse events:', this.coreMouseService.explainEvents(events));
+        }
+        this.element!.classList.add('enable-mouse-events');
+        this._selectionService!.disable();
+      } else {
+        this._logService.debug('Unbinding from mouse events.');
+        this.element!.classList.remove('enable-mouse-events');
+        this._selectionService!.enable();
+      }
+
+      // add/remove handlers from requestedEvents
+
+      if (!(events & CoreMouseEventType.MOVE)) {
+        el.removeEventListener('mousemove', requestedEvents.mousemove!);
+        requestedEvents.mousemove = null;
+      } else if (!requestedEvents.mousemove) {
+        el.addEventListener('mousemove', eventListeners.mousemove);
+        requestedEvents.mousemove = eventListeners.mousemove;
+      }
+
+      if (!(events & CoreMouseEventType.WHEEL)) {
+        el.removeEventListener('wheel', requestedEvents.wheel!);
+        requestedEvents.wheel = null;
+      } else if (!requestedEvents.wheel) {
+        el.addEventListener('wheel', eventListeners.wheel, { passive: false });
+        requestedEvents.wheel = eventListeners.wheel;
+      }
+
+      if (!(events & CoreMouseEventType.UP)) {
+        this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);
+        requestedEvents.mouseup = null;
+      } else if (!requestedEvents.mouseup) {
+        requestedEvents.mouseup = eventListeners.mouseup;
+      }
+
+      if (!(events & CoreMouseEventType.DRAG)) {
+        this._document!.removeEventListener('mousemove', requestedEvents.mousedrag!);
+        requestedEvents.mousedrag = null;
+      } else if (!requestedEvents.mousedrag) {
+        requestedEvents.mousedrag = eventListeners.mousedrag;
+      }
+    }));
+    // force initial onProtocolChange so we dont miss early mouse requests
+    this.coreMouseService.activeProtocol = this.coreMouseService.activeProtocol;
+
+    /**
+     * "Always on" event listeners.
+     */
+    this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {
+      ev.preventDefault();
+      this.focus();
+
+      // Don't send the mouse button to the pty if mouse events are disabled or
+      // if the selection manager is having selection forced (ie. a modifier is
+      // held).
+      if (!this.coreMouseService.areMouseEventsActive || this._selectionService!.shouldForceSelection(ev)) {
+        return;
+      }
+
+      sendEvent(ev);
+
+      // Register additional global handlers which should keep reporting outside
+      // of the terminal element.
+      // Note: Other emulators also do this for 'mousedown' while a button
+      // is held, we currently limit 'mousedown' to the terminal only.
+      if (requestedEvents.mouseup) {
+        this._document!.addEventListener('mouseup', requestedEvents.mouseup);
+      }
+      if (requestedEvents.mousedrag) {
+        this._document!.addEventListener('mousemove', requestedEvents.mousedrag);
+      }
+
+      return this.cancel(ev);
+    }));
+
+    this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {
+      // do nothing, if app side handles wheel itself
+      if (requestedEvents.wheel) return;
+
+      if (this._customWheelEventHandler && this._customWheelEventHandler(ev) === false) {
+        return false;
+      }
+
+      if (!this.buffer.hasScrollback) {
+        // Convert wheel events into up/down events when the buffer does not have scrollback, this
+        // enables scrolling in apps hosted in the alt buffer such as vim or tmux.
+        const amount = this.viewport!.getLinesScrolled(ev);
+
+        // Do nothing if there's no vertical scroll
+        if (amount === 0) {
+          return;
+        }
+
+        // Construct and send sequences
+        const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
+        let data = '';
+        for (let i = 0; i < Math.abs(amount); i++) {
+          data += sequence;
+        }
+        this.coreService.triggerDataEvent(data, true);
+        return this.cancel(ev, true);
+      }
+
+      // normal viewport scrolling
+      // conditionally stop event, if the viewport still had rows to scroll within
+      if (this.viewport!.handleWheel(ev)) {
+        return this.cancel(ev);
+      }
+    }, { passive: false }));
+
+    this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {
+      if (this.coreMouseService.areMouseEventsActive) return;
+      this.viewport!.handleTouchStart(ev);
+      return this.cancel(ev);
+    }, { passive: true }));
+
+    this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {
+      if (this.coreMouseService.areMouseEventsActive) return;
+      if (!this.viewport!.handleTouchMove(ev)) {
+        return this.cancel(ev);
+      }
+    }, { passive: false }));
+  }
+
+
+  /**
+   * Tells the renderer to refresh terminal content between two rows (inclusive) at the next
+   * opportunity.
+   * @param start The row to start from (between 0 and this.rows - 1).
+   * @param end The row to end at (between start and this.rows - 1).
+   */
+  public refresh(start: number, end: number): void {
+    this._renderService?.refreshRows(start, end);
+  }
+
+  /**
+   * Change the cursor style for different selection modes
+   */
+  public updateCursorStyle(ev: KeyboardEvent | MouseEvent): void {
+    if (this._selectionService?.shouldColumnSelect(ev)) {
+      this.element!.classList.add('column-select');
+    } else {
+      this.element!.classList.remove('column-select');
+    }
+  }
+
+  /**
+   * Display the cursor element
+   */
+  private _showCursor(): void {
+    if (!this.coreService.isCursorInitialized) {
+      this.coreService.isCursorInitialized = true;
+      this.refresh(this.buffer.y, this.buffer.y);
+    }
+  }
+
+  public scrollLines(disp: number, suppressScrollEvent?: boolean, source = ScrollSource.TERMINAL): void {
+    if (source === ScrollSource.VIEWPORT) {
+      super.scrollLines(disp, suppressScrollEvent, source);
+      this.refresh(0, this.rows - 1);
+    } else {
+      this.viewport?.scrollLines(disp);
+    }
+  }
+
+  public paste(data: string): void {
+    paste(data, this.textarea!, this.coreService, this.optionsService);
+  }
+
+  public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {
+    this._customKeyEventHandler = customKeyEventHandler;
+  }
+
+  public attachCustomWheelEventHandler(customWheelEventHandler: CustomWheelEventHandler): void {
+    this._customWheelEventHandler = customWheelEventHandler;
+  }
+
+  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
+    return this._linkProviderService.registerLinkProvider(linkProvider);
+  }
+
+  public registerCharacterJoiner(handler: CharacterJoinerHandler): number {
+    if (!this._characterJoinerService) {
+      throw new Error('Terminal must be opened first');
+    }
+    const joinerId = this._characterJoinerService.register(handler);
+    this.refresh(0, this.rows - 1);
+    return joinerId;
+  }
+
+  public deregisterCharacterJoiner(joinerId: number): void {
+    if (!this._characterJoinerService) {
+      throw new Error('Terminal must be opened first');
+    }
+    if (this._characterJoinerService.deregister(joinerId)) {
+      this.refresh(0, this.rows - 1);
+    }
+  }
+
+  public get markers(): IMarker[] {
+    return this.buffer.markers;
+  }
+
+  public registerMarker(cursorYOffset: number): IMarker {
+    return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);
+  }
+
+  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {
+    return this._decorationService.registerDecoration(decorationOptions);
+  }
+
+  /**
+   * Gets whether the terminal has an active selection.
+   */
+  public hasSelection(): boolean {
+    return this._selectionService ? this._selectionService.hasSelection : false;
+  }
+
+  /**
+   * Selects text within the terminal.
+   * @param column The column the selection starts at..
+   * @param row The row the selection starts at.
+   * @param length The length of the selection.
+   */
+  public select(column: number, row: number, length: number): void {
+    this._selectionService!.setSelection(column, row, length);
+  }
+
+  /**
+   * Gets the terminal's current selection, this is useful for implementing copy
+   * behavior outside of xterm.js.
+   */
+  public getSelection(): string {
+    return this._selectionService ? this._selectionService.selectionText : '';
+  }
+
+  public getSelectionPosition(): IBufferRange | undefined {
+    if (!this._selectionService || !this._selectionService.hasSelection) {
+      return undefined;
+    }
+
+    return {
+      start: {
+        x: this._selectionService.selectionStart![0],
+        y: this._selectionService.selectionStart![1]
+      },
+      end: {
+        x: this._selectionService.selectionEnd![0],
+        y: this._selectionService.selectionEnd![1]
+      }
+    };
+  }
+
+  /**
+   * Clears the current terminal selection.
+   */
+  public clearSelection(): void {
+    this._selectionService?.clearSelection();
+  }
+
+  /**
+   * Selects all text within the terminal.
+   */
+  public selectAll(): void {
+    this._selectionService?.selectAll();
+  }
+
+  public selectLines(start: number, end: number): void {
+    this._selectionService?.selectLines(start, end);
+  }
+
+  /**
+   * Handle a keydown [KeyboardEvent].
+   *
+   * [KeyboardEvent]: https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
+   */
+  protected _keyDown(event: KeyboardEvent): boolean | undefined {
+    this._keyDownHandled = false;
+    this._keyDownSeen = true;
+
+    if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {
+      return false;
+    }
+
+    // Ignore composing with Alt key on Mac when macOptionIsMeta is enabled
+    const shouldIgnoreComposition = this.browser.isMac && this.options.macOptionIsMeta && event.altKey;
+
+    if (!shouldIgnoreComposition && !this._compositionHelper!.keydown(event)) {
+      if (this.options.scrollOnUserInput && this.buffer.ybase !== this.buffer.ydisp) {
+        this.scrollToBottom();
+      }
+      return false;
+    }
+
+    if (!shouldIgnoreComposition && (event.key === 'Dead' || event.key === 'AltGraph')) {
+      this._unprocessedDeadKey = true;
+    }
+
+    const result = evaluateKeyboardEvent(event, this.coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);
+
+    this.updateCursorStyle(event);
+
+    if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {
+      const scrollCount = this.rows - 1;
+      this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);
+      return this.cancel(event, true);
+    }
+
+    if (result.type === KeyboardResultType.SELECT_ALL) {
+      this.selectAll();
+    }
+
+    if (this._isThirdLevelShift(this.browser, event)) {
+      return true;
+    }
+
+    if (result.cancel) {
+      // The event is canceled at the end already, is this necessary?
+      this.cancel(event, true);
+    }
+
+    if (!result.key) {
+      return true;
+    }
+
+    // HACK: Process A-Z in the keypress event to fix an issue with macOS IMEs where lower case
+    // letters cannot be input while caps lock is on.
+    if (event.key && !event.ctrlKey && !event.altKey && !event.metaKey && event.key.length === 1) {
+      if (event.key.charCodeAt(0) >= 65 && event.key.charCodeAt(0) <= 90) {
+        return true;
+      }
+    }
+
+    if (this._unprocessedDeadKey) {
+      this._unprocessedDeadKey = false;
+      return true;
+    }
+
+    // If ctrl+c or enter is being sent, clear out the textarea. This is done so that screen readers
+    // will announce deleted characters. This will not work 100% of the time but it should cover
+    // most scenarios.
+    if (result.key === C0.ETX || result.key === C0.CR) {
+      this.textarea!.value = '';
+    }
+
+    this._onKey.fire({ key: result.key, domEvent: event });
+    this._showCursor();
+    this.coreService.triggerDataEvent(result.key, true);
+
+    // Cancel events when not in screen reader mode so events don't get bubbled up and handled by
+    // other listeners. When screen reader mode is enabled, we don't cancel them (unless ctrl or alt
+    // is also depressed) so that the cursor textarea can be updated, which triggers the screen
+    // reader to read it.
+    if (!this.optionsService.rawOptions.screenReaderMode || event.altKey || event.ctrlKey) {
+      return this.cancel(event, true);
+    }
+
+    this._keyDownHandled = true;
+  }
+
+  private _isThirdLevelShift(browser: IBrowser, ev: KeyboardEvent): boolean {
+    const thirdLevelKey =
+      (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+      (browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey) ||
+      (browser.isWindows && ev.getModifierState('AltGraph'));
+
+    if (ev.type === 'keypress') {
+      return thirdLevelKey;
+    }
+
+    // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
+    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+  }
+
+  protected _keyUp(ev: KeyboardEvent): void {
+    this._keyDownSeen = false;
+
+    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
+      return;
+    }
+
+    if (!wasModifierKeyOnlyEvent(ev)) {
+      this.focus();
+    }
+
+    this.updateCursorStyle(ev);
+    this._keyPressHandled = false;
+  }
+
+  /**
+   * Handle a keypress event.
+   * Key Resources:
+   *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
+   * @param ev The keypress event to be handled.
+   */
+  protected _keyPress(ev: KeyboardEvent): boolean {
+    let key;
+
+    this._keyPressHandled = false;
+
+    if (this._keyDownHandled) {
+      return false;
+    }
+
+    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
+      return false;
+    }
+
+    this.cancel(ev);
+
+    if (ev.charCode) {
+      key = ev.charCode;
+    } else if (ev.which === null || ev.which === undefined) {
+      key = ev.keyCode;
+    } else if (ev.which !== 0 && ev.charCode !== 0) {
+      key = ev.which;
+    } else {
+      return false;
+    }
+
+    if (!key || (
+      (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)
+    )) {
+      return false;
+    }
+
+    key = String.fromCharCode(key);
+
+    this._onKey.fire({ key, domEvent: ev });
+    this._showCursor();
+    this.coreService.triggerDataEvent(key, true);
+
+    this._keyPressHandled = true;
+
+    // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow
+    // keys could be ignored
+    this._unprocessedDeadKey = false;
+
+    return true;
+  }
+
+  /**
+   * Handle an input event.
+   * Key Resources:
+   *   - https://developer.mozilla.org/en-US/docs/Web/API/InputEvent
+   * @param ev The input event to be handled.
+   */
+  protected _inputEvent(ev: InputEvent): boolean {
+    // Only support emoji IMEs when screen reader mode is disabled as the event must bubble up to
+    // support reading out character input which can doubling up input characters
+    // Based on these event traces: https://github.com/xtermjs/xterm.js/issues/3679
+    if (ev.data && ev.inputType === 'insertText' && (!ev.composed || !this._keyDownSeen) && !this.optionsService.rawOptions.screenReaderMode) {
+      if (this._keyPressHandled) {
+        return false;
+      }
+
+      // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow
+      // keys could be ignored
+      this._unprocessedDeadKey = false;
+
+      const text = ev.data;
+      this.coreService.triggerDataEvent(text, true);
+
+      this.cancel(ev);
+      return true;
+    }
+
+    return false;
+  }
+
+  /**
+   * Resizes the terminal.
+   *
+   * @param x The number of columns to resize to.
+   * @param y The number of rows to resize to.
+   */
+  public resize(x: number, y: number): void {
+    if (x === this.cols && y === this.rows) {
+      // Check if we still need to measure the char size (fixes #785).
+      if (this._charSizeService && !this._charSizeService.hasValidSize) {
+        this._charSizeService.measure();
+      }
+      return;
+    }
+
+    super.resize(x, y);
+  }
+
+  private _afterResize(x: number, y: number): void {
+    this._charSizeService?.measure();
+
+    // Sync the scroll area to make sure scroll events don't fire and scroll the viewport to an
+    // invalid location
+    this.viewport?.syncScrollArea(true);
+  }
+
+  /**
+   * Clear the entire buffer, making the prompt line the new first line.
+   */
+  public clear(): void {
+    if (this.buffer.ybase === 0 && this.buffer.y === 0) {
+      // Don't clear if it's already clear
+      return;
+    }
+    this.buffer.clearAllMarkers();
+    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);
+    this.buffer.lines.length = 1;
+    this.buffer.ydisp = 0;
+    this.buffer.ybase = 0;
+    this.buffer.y = 0;
+    for (let i = 1; i < this.rows; i++) {
+      this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));
+    }
+    // IMPORTANT: Fire scroll event before viewport is reset. This ensures embedders get the clear
+    // scroll event and that the viewport's state will be valid for immediate writes.
+    this._onScroll.fire({ position: this.buffer.ydisp, source: ScrollSource.TERMINAL });
+    this.viewport?.reset();
+    this.refresh(0, this.rows - 1);
+  }
+
+  /**
+   * Reset terminal.
+   * Note: Calling this directly from JS is synchronous but does not clear
+   * input buffers and does not reset the parser, thus the terminal will
+   * continue to apply pending input data.
+   * If you need in band reset (synchronous with input data) consider
+   * using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).
+   */
+  public reset(): void {
+    /**
+     * Since _setup handles a full terminal creation, we have to carry forward
+     * a few things that should not reset.
+     */
+    this.options.rows = this.rows;
+    this.options.cols = this.cols;
+    const customKeyEventHandler = this._customKeyEventHandler;
+
+    this._setup();
+    super.reset();
+    this._selectionService?.reset();
+    this._decorationService.reset();
+    this.viewport?.reset();
+
+    // reattach
+    this._customKeyEventHandler = customKeyEventHandler;
+
+    // do a full screen refresh
+    this.refresh(0, this.rows - 1);
+  }
+
+  public clearTextureAtlas(): void {
+    this._renderService?.clearTextureAtlas();
+  }
+
+  private _reportFocus(): void {
+    if (this.element?.classList.contains('focus')) {
+      this.coreService.triggerDataEvent(C0.ESC + '[I');
+    } else {
+      this.coreService.triggerDataEvent(C0.ESC + '[O');
+    }
+  }
+
+  private _reportWindowsOptions(type: WindowsOptionsReportType): void {
+    if (!this._renderService) {
+      return;
+    }
+
+    switch (type) {
+      case WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:
+        const canvasWidth = this._renderService.dimensions.css.canvas.width.toFixed(0);
+        const canvasHeight = this._renderService.dimensions.css.canvas.height.toFixed(0);
+        this.coreService.triggerDataEvent(`${C0.ESC}[4;${canvasHeight};${canvasWidth}t`);
+        break;
+      case WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:
+        const cellWidth = this._renderService.dimensions.css.cell.width.toFixed(0);
+        const cellHeight = this._renderService.dimensions.css.cell.height.toFixed(0);
+        this.coreService.triggerDataEvent(`${C0.ESC}[6;${cellHeight};${cellWidth}t`);
+        break;
+    }
+  }
+
+  // TODO: Remove cancel function and cancelEvents option
+  public cancel(ev: Event, force?: boolean): boolean | undefined {
+    if (!this.options.cancelEvents && !force) {
+      return;
+    }
+    ev.preventDefault();
+    ev.stopPropagation();
+    return false;
+  }
+}
+
+/**
+ * Helpers
+ */
+
+function wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {
+  return ev.keyCode === 16 || // Shift
+    ev.keyCode === 17 || // Ctrl
+    ev.keyCode === 18; // Alt
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/TimeBasedDebouncer.ts b/web/public/node_modules/@xterm/xterm/src/browser/TimeBasedDebouncer.ts
new file mode 100644
index 000000000..707e25cbb
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/TimeBasedDebouncer.ts
@@ -0,0 +1,86 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+const RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second
+
+import { IRenderDebouncer } from 'browser/Types';
+
+/**
+ * Debounces calls to update screen readers to update at most once configurable interval of time.
+ */
+export class TimeBasedDebouncer implements IRenderDebouncer {
+  private _rowStart: number | undefined;
+  private _rowEnd: number | undefined;
+  private _rowCount: number | undefined;
+
+  // The last moment that the Terminal was refreshed at
+  private _lastRefreshMs = 0;
+  // Whether a trailing refresh should be triggered due to a refresh request that was throttled
+  private _additionalRefreshRequested = false;
+
+  private _refreshTimeoutID: number | undefined;
+
+  constructor(
+    private _renderCallback: (start: number, end: number) => void,
+    private readonly _debounceThresholdMS = RENDER_DEBOUNCE_THRESHOLD_MS
+  ) {
+  }
+
+  public dispose(): void {
+    if (this._refreshTimeoutID) {
+      clearTimeout(this._refreshTimeoutID);
+    }
+  }
+
+  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {
+    this._rowCount = rowCount;
+    // Get the min/max row start/end for the arg values
+    rowStart = rowStart !== undefined ? rowStart : 0;
+    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
+    // Set the properties to the updated values
+    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
+    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
+
+    // Only refresh if the time since last refresh is above a threshold, otherwise wait for
+    // enough time to pass before refreshing again.
+    const refreshRequestTime: number = Date.now();
+    if (refreshRequestTime - this._lastRefreshMs >= this._debounceThresholdMS) {
+      // Enough time has lapsed since the last refresh; refresh immediately
+      this._lastRefreshMs = refreshRequestTime;
+      this._innerRefresh();
+    } else if (!this._additionalRefreshRequested) {
+      // This is the first additional request throttled; set up trailing refresh
+      const elapsed = refreshRequestTime - this._lastRefreshMs;
+      const waitPeriodBeforeTrailingRefresh = this._debounceThresholdMS - elapsed;
+      this._additionalRefreshRequested = true;
+
+      this._refreshTimeoutID = window.setTimeout(() => {
+        this._lastRefreshMs = Date.now();
+        this._innerRefresh();
+        this._additionalRefreshRequested = false;
+        this._refreshTimeoutID = undefined; // No longer need to clear the timeout
+      }, waitPeriodBeforeTrailingRefresh);
+    }
+  }
+
+  private _innerRefresh(): void {
+    // Make sure values are set
+    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
+      return;
+    }
+
+    // Clamp values
+    const start = Math.max(this._rowStart, 0);
+    const end = Math.min(this._rowEnd, this._rowCount - 1);
+
+    // Reset debouncer (this happens before render callback as the render could trigger it again)
+    this._rowStart = undefined;
+    this._rowEnd = undefined;
+
+    // Run render callback
+    this._renderCallback(start, end);
+  }
+}
+
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/Types.d.ts b/web/public/node_modules/@xterm/xterm/src/browser/Types.d.ts
new file mode 100644
index 000000000..9ebc55d96
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/Types.d.ts
@@ -0,0 +1,174 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent } from 'common/EventEmitter';
+import { CharData, IColor, ICoreTerminal, ITerminalOptions } from 'common/Types';
+import { IBuffer } from 'common/buffer/Types';
+import { IDisposable, Terminal as ITerminalApi } from '@xterm/xterm';
+
+/**
+ * A portion of the public API that are implemented identially internally and simply passed through.
+ */
+type InternalPassthroughApis = Omit<ITerminalApi, 'buffer' | 'parser' | 'unicode' | 'modes' | 'writeln' | 'loadAddon'>;
+
+export interface ITerminal extends InternalPassthroughApis, ICoreTerminal {
+  screenElement: HTMLElement | undefined;
+  browser: IBrowser;
+  buffer: IBuffer;
+  linkifier: ILinkifier2 | undefined;
+  viewport: IViewport | undefined;
+  options: Required<ITerminalOptions>;
+
+  onBlur: IEvent<void>;
+  onFocus: IEvent<void>;
+  onA11yChar: IEvent<string>;
+  onA11yTab: IEvent<number>;
+  onWillOpen: IEvent<HTMLElement>;
+
+  cancel(ev: Event, force?: boolean): boolean | void;
+}
+
+export type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;
+export type CustomWheelEventHandler = (event: WheelEvent) => boolean;
+
+export type LineData = CharData[];
+
+export interface ICompositionHelper {
+  readonly isComposing: boolean;
+  compositionstart(): void;
+  compositionupdate(ev: CompositionEvent): void;
+  compositionend(): void;
+  updateCompositionElements(dontRecurse?: boolean): void;
+  keydown(ev: KeyboardEvent): boolean;
+}
+
+export interface IBrowser {
+  isNode: boolean;
+  userAgent: string;
+  platform: string;
+  isFirefox: boolean;
+  isMac: boolean;
+  isIpad: boolean;
+  isIphone: boolean;
+  isWindows: boolean;
+}
+
+export interface IColorSet {
+  foreground: IColor;
+  background: IColor;
+  cursor: IColor;
+  cursorAccent: IColor;
+  selectionForeground: IColor | undefined;
+  selectionBackgroundTransparent: IColor;
+  /** The selection blended on top of background. */
+  selectionBackgroundOpaque: IColor;
+  selectionInactiveBackgroundTransparent: IColor;
+  selectionInactiveBackgroundOpaque: IColor;
+  ansi: IColor[];
+  /** Maps original colors to colors that respect minimum contrast ratio. */
+  contrastCache: IColorContrastCache;
+  /** Maps original colors to colors that respect _half_ of the minimum contrast ratio. */
+  halfContrastCache: IColorContrastCache;
+}
+
+export type ReadonlyColorSet = Readonly<Omit<IColorSet, 'ansi'>> & { ansi: Readonly<Pick<IColorSet, 'ansi'>['ansi']> };
+
+export interface IColorContrastCache {
+  clear(): void;
+  setCss(bg: number, fg: number, value: string | null): void;
+  getCss(bg: number, fg: number): string | null | undefined;
+  setColor(bg: number, fg: number, value: IColor | null): void;
+  getColor(bg: number, fg: number): IColor | null | undefined;
+}
+
+export interface IPartialColorSet {
+  foreground: IColor;
+  background: IColor;
+  cursor?: IColor;
+  cursorAccent?: IColor;
+  selectionBackground?: IColor;
+  ansi: IColor[];
+}
+
+export interface IViewport extends IDisposable {
+  scrollBarWidth: number;
+  readonly onRequestScrollLines: IEvent<{ amount: number, suppressScrollEvent: boolean }>;
+  syncScrollArea(immediate?: boolean, force?: boolean): void;
+  getLinesScrolled(ev: WheelEvent): number;
+  getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement };
+  handleWheel(ev: WheelEvent): boolean;
+  handleTouchStart(ev: TouchEvent): void;
+  handleTouchMove(ev: TouchEvent): boolean;
+  scrollLines(disp: number): void;  // todo api name?
+  reset(): void;
+}
+
+export interface ILinkifierEvent {
+  x1: number;
+  y1: number;
+  x2: number;
+  y2: number;
+  cols: number;
+  fg: number | undefined;
+}
+
+interface ILinkState {
+  decorations: ILinkDecorations;
+  isHovered: boolean;
+}
+export interface ILinkWithState {
+  link: ILink;
+  state?: ILinkState;
+}
+
+export interface ILinkifier2 extends IDisposable {
+  onShowLinkUnderline: IEvent<ILinkifierEvent>;
+  onHideLinkUnderline: IEvent<ILinkifierEvent>;
+  readonly currentLink: ILinkWithState | undefined;
+}
+
+interface ILink {
+  range: IBufferRange;
+  text: string;
+  decorations?: ILinkDecorations;
+  activate(event: MouseEvent, text: string): void;
+  hover?(event: MouseEvent, text: string): void;
+  leave?(event: MouseEvent, text: string): void;
+  dispose?(): void;
+}
+
+interface ILinkDecorations {
+  pointerCursor: boolean;
+  underline: boolean;
+}
+
+interface IBufferRange {
+  start: IBufferCellPosition;
+  end: IBufferCellPosition;
+}
+
+interface IBufferCellPosition {
+  x: number;
+  y: number;
+}
+
+export type CharacterJoinerHandler = (text: string) => [number, number][];
+
+export interface ICharacterJoiner {
+  id: number;
+  handler: CharacterJoinerHandler;
+}
+
+export interface IRenderDebouncer extends IDisposable {
+  refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;
+}
+
+export interface IRenderDebouncerWithCallback extends IRenderDebouncer {
+  addRefreshCallback(callback: FrameRequestCallback): number;
+}
+
+export interface IBufferElementProvider {
+  provideBufferElements(): DocumentFragment | HTMLElement;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/Viewport.ts b/web/public/node_modules/@xterm/xterm/src/browser/Viewport.ts
new file mode 100644
index 000000000..a8e1a4987
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/Viewport.ts
@@ -0,0 +1,401 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { IViewport, ReadonlyColorSet } from 'browser/Types';
+import { IRenderDimensions } from 'browser/renderer/shared/Types';
+import { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IBuffer } from 'common/buffer/Types';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+const FALLBACK_SCROLL_BAR_WIDTH = 15;
+
+interface ISmoothScrollState {
+  startTime: number;
+  origin: number;
+  target: number;
+}
+
+/**
+ * Represents the viewport of a terminal, the visible area within the larger buffer of output.
+ * Logic for the virtual scroll bar is included in this object.
+ */
+export class Viewport extends Disposable implements IViewport {
+  public scrollBarWidth: number = 0;
+  private _currentRowHeight: number = 0;
+  private _currentDeviceCellHeight: number = 0;
+  private _lastRecordedBufferLength: number = 0;
+  private _lastRecordedViewportHeight: number = 0;
+  private _lastRecordedBufferHeight: number = 0;
+  private _lastTouchY: number = 0;
+  private _lastScrollTop: number = 0;
+  private _activeBuffer: IBuffer;
+  private _renderDimensions: IRenderDimensions;
+
+  // Stores a partial line amount when scrolling, this is used to keep track of how much of a line
+  // is scrolled so we can "scroll" over partial lines and feel natural on touchpads. This is a
+  // quick fix and could have a more robust solution in place that reset the value when needed.
+  private _wheelPartialScroll: number = 0;
+
+  private _refreshAnimationFrame: number | null = null;
+  private _ignoreNextScrollEvent: boolean = false;
+  private _smoothScrollState: ISmoothScrollState = {
+    startTime: 0,
+    origin: -1,
+    target: -1
+  };
+
+  private readonly _onRequestScrollLines = this.register(new EventEmitter<{ amount: number, suppressScrollEvent: boolean }>());
+  public readonly onRequestScrollLines = this._onRequestScrollLines.event;
+
+  constructor(
+    private readonly _viewportElement: HTMLElement,
+    private readonly _scrollArea: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @IThemeService themeService: IThemeService
+  ) {
+    super();
+
+    // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.
+    // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that
+    // case, therefore we account for a standard amount to make it visible
+    this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;
+    this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._handleScroll.bind(this)));
+
+    // Track properties used in performance critical code manually to avoid using slow getters
+    this._activeBuffer = this._bufferService.buffer;
+    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));
+    this._renderDimensions = this._renderService.dimensions;
+    this.register(this._renderService.onDimensionsChange(e => this._renderDimensions = e));
+
+    this._handleThemeChange(themeService.colors);
+    this.register(themeService.onChangeColors(e => this._handleThemeChange(e)));
+    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.syncScrollArea()));
+
+    // Perform this async to ensure the ICharSizeService is ready.
+    setTimeout(() => this.syncScrollArea());
+  }
+
+  private _handleThemeChange(colors: ReadonlyColorSet): void {
+    this._viewportElement.style.backgroundColor = colors.background.css;
+  }
+
+  public reset(): void {
+    this._currentRowHeight = 0;
+    this._currentDeviceCellHeight = 0;
+    this._lastRecordedBufferLength = 0;
+    this._lastRecordedViewportHeight = 0;
+    this._lastRecordedBufferHeight = 0;
+    this._lastTouchY = 0;
+    this._lastScrollTop = 0;
+    // Sync on next animation frame to ensure the new terminal state is used
+    this._coreBrowserService.window.requestAnimationFrame(() => this.syncScrollArea());
+  }
+
+  /**
+   * Refreshes row height, setting line-height, viewport height and scroll area height if
+   * necessary.
+   */
+  private _refresh(immediate: boolean): void {
+    if (immediate) {
+      this._innerRefresh();
+      if (this._refreshAnimationFrame !== null) {
+        this._coreBrowserService.window.cancelAnimationFrame(this._refreshAnimationFrame);
+      }
+      return;
+    }
+    if (this._refreshAnimationFrame === null) {
+      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());
+    }
+  }
+
+  private _innerRefresh(): void {
+    if (this._charSizeService.height > 0) {
+      this._currentRowHeight = this._renderDimensions.device.cell.height / this._coreBrowserService.dpr;
+      this._currentDeviceCellHeight = this._renderDimensions.device.cell.height;
+      this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;
+      const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._renderDimensions.css.canvas.height);
+      if (this._lastRecordedBufferHeight !== newBufferHeight) {
+        this._lastRecordedBufferHeight = newBufferHeight;
+        this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';
+      }
+    }
+
+    // Sync scrollTop
+    const scrollTop = this._bufferService.buffer.ydisp * this._currentRowHeight;
+    if (this._viewportElement.scrollTop !== scrollTop) {
+      // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not
+      // want this event to scroll the terminal
+      this._ignoreNextScrollEvent = true;
+      this._viewportElement.scrollTop = scrollTop;
+    }
+
+    this._refreshAnimationFrame = null;
+  }
+
+  /**
+   * Updates dimensions and synchronizes the scroll area if necessary.
+   */
+  public syncScrollArea(immediate: boolean = false): void {
+    // If buffer height changed
+    if (this._lastRecordedBufferLength !== this._bufferService.buffer.lines.length) {
+      this._lastRecordedBufferLength = this._bufferService.buffer.lines.length;
+      this._refresh(immediate);
+      return;
+    }
+
+    // If viewport height changed
+    if (this._lastRecordedViewportHeight !== this._renderService.dimensions.css.canvas.height) {
+      this._refresh(immediate);
+      return;
+    }
+
+    // If the buffer position doesn't match last scroll top
+    if (this._lastScrollTop !== this._activeBuffer.ydisp * this._currentRowHeight) {
+      this._refresh(immediate);
+      return;
+    }
+
+    // If row height changed
+    if (this._renderDimensions.device.cell.height !== this._currentDeviceCellHeight) {
+      this._refresh(immediate);
+      return;
+    }
+  }
+
+  /**
+   * Handles scroll events on the viewport, calculating the new viewport and requesting the
+   * terminal to scroll to it.
+   * @param ev The scroll event.
+   */
+  private _handleScroll(ev: Event): void {
+    // Record current scroll top position
+    this._lastScrollTop = this._viewportElement.scrollTop;
+
+    // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt
+    // which causes the terminal to scroll the buffer to the top
+    if (!this._viewportElement.offsetParent) {
+      return;
+    }
+
+    // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)
+    if (this._ignoreNextScrollEvent) {
+      this._ignoreNextScrollEvent = false;
+      // Still trigger the scroll so lines get refreshed
+      this._onRequestScrollLines.fire({ amount: 0, suppressScrollEvent: true });
+      return;
+    }
+
+    const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);
+    const diff = newRow - this._bufferService.buffer.ydisp;
+    this._onRequestScrollLines.fire({ amount: diff, suppressScrollEvent: true });
+  }
+
+  private _smoothScroll(): void {
+    // Check valid state
+    if (this._isDisposed || this._smoothScrollState.origin === -1 || this._smoothScrollState.target === -1) {
+      return;
+    }
+
+    // Calculate position complete
+    const percent = this._smoothScrollPercent();
+    this._viewportElement.scrollTop = this._smoothScrollState.origin + Math.round(percent * (this._smoothScrollState.target - this._smoothScrollState.origin));
+
+    // Continue or finish smooth scroll
+    if (percent < 1) {
+      this._coreBrowserService.window.requestAnimationFrame(() => this._smoothScroll());
+    } else {
+      this._clearSmoothScrollState();
+    }
+  }
+
+  private _smoothScrollPercent(): number {
+    if (!this._optionsService.rawOptions.smoothScrollDuration || !this._smoothScrollState.startTime) {
+      return 1;
+    }
+    return Math.max(Math.min((Date.now() - this._smoothScrollState.startTime) / this._optionsService.rawOptions.smoothScrollDuration, 1), 0);
+  }
+
+  private _clearSmoothScrollState(): void {
+    this._smoothScrollState.startTime = 0;
+    this._smoothScrollState.origin = -1;
+    this._smoothScrollState.target = -1;
+  }
+
+  /**
+   * Handles bubbling of scroll event in case the viewport has reached top or bottom
+   * @param ev The scroll event.
+   * @param amount The amount scrolled
+   */
+  private _bubbleScroll(ev: Event, amount: number): boolean {
+    const scrollPosFromTop = this._viewportElement.scrollTop + this._lastRecordedViewportHeight;
+    if ((amount < 0 && this._viewportElement.scrollTop !== 0) ||
+      (amount > 0 && scrollPosFromTop < this._lastRecordedBufferHeight)) {
+      if (ev.cancelable) {
+        ev.preventDefault();
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual
+   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of
+   * `Viewport`.
+   * @param ev The mouse wheel event.
+   */
+  public handleWheel(ev: WheelEvent): boolean {
+    const amount = this._getPixelsScrolled(ev);
+    if (amount === 0) {
+      return false;
+    }
+    if (!this._optionsService.rawOptions.smoothScrollDuration) {
+      this._viewportElement.scrollTop += amount;
+    } else {
+      this._smoothScrollState.startTime = Date.now();
+      if (this._smoothScrollPercent() < 1) {
+        this._smoothScrollState.origin = this._viewportElement.scrollTop;
+        if (this._smoothScrollState.target === -1) {
+          this._smoothScrollState.target = this._viewportElement.scrollTop + amount;
+        } else {
+          this._smoothScrollState.target += amount;
+        }
+        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);
+        this._smoothScroll();
+      } else {
+        this._clearSmoothScrollState();
+      }
+    }
+    return this._bubbleScroll(ev, amount);
+  }
+
+  public scrollLines(disp: number): void {
+    if (disp === 0) {
+      return;
+    }
+    if (!this._optionsService.rawOptions.smoothScrollDuration) {
+      this._onRequestScrollLines.fire({ amount: disp, suppressScrollEvent: false });
+    } else {
+      const amount = disp * this._currentRowHeight;
+      this._smoothScrollState.startTime = Date.now();
+      if (this._smoothScrollPercent() < 1) {
+        this._smoothScrollState.origin = this._viewportElement.scrollTop;
+        this._smoothScrollState.target = this._smoothScrollState.origin + amount;
+        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);
+        this._smoothScroll();
+      } else {
+        this._clearSmoothScrollState();
+      }
+    }
+  }
+
+  private _getPixelsScrolled(ev: WheelEvent): number {
+    // Do nothing if it's not a vertical scroll event
+    if (ev.deltaY === 0 || ev.shiftKey) {
+      return 0;
+    }
+
+    // Fallback to WheelEvent.DOM_DELTA_PIXEL
+    let amount = this._applyScrollModifier(ev.deltaY, ev);
+    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
+      amount *= this._currentRowHeight;
+    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+      amount *= this._currentRowHeight * this._bufferService.rows;
+    }
+    return amount;
+  }
+
+
+  public getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement } {
+    let currentLine: string = '';
+    let cursorElement: HTMLElement | undefined;
+    const bufferElements: HTMLElement[] = [];
+    const end = endLine ?? this._bufferService.buffer.lines.length;
+    const lines = this._bufferService.buffer.lines;
+    for (let i = startLine; i < end; i++) {
+      const line = lines.get(i);
+      if (!line) {
+        continue;
+      }
+      const isWrapped = lines.get(i + 1)?.isWrapped;
+      currentLine += line.translateToString(!isWrapped);
+      if (!isWrapped || i === lines.length - 1) {
+        const div = document.createElement('div');
+        div.textContent = currentLine;
+        bufferElements.push(div);
+        if (currentLine.length > 0) {
+          cursorElement = div;
+        }
+        currentLine = '';
+      }
+    }
+    return { bufferElements, cursorElement };
+  }
+
+  /**
+   * Gets the number of pixels scrolled by the mouse event taking into account what type of delta
+   * is being used.
+   * @param ev The mouse wheel event.
+   */
+  public getLinesScrolled(ev: WheelEvent): number {
+    // Do nothing if it's not a vertical scroll event
+    if (ev.deltaY === 0 || ev.shiftKey) {
+      return 0;
+    }
+
+    // Fallback to WheelEvent.DOM_DELTA_LINE
+    let amount = this._applyScrollModifier(ev.deltaY, ev);
+    if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
+      amount /= this._currentRowHeight + 0.0; // Prevent integer division
+      this._wheelPartialScroll += amount;
+      amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);
+      this._wheelPartialScroll %= 1;
+    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+      amount *= this._bufferService.rows;
+    }
+    return amount;
+  }
+
+  private _applyScrollModifier(amount: number, ev: WheelEvent): number {
+    const modifier = this._optionsService.rawOptions.fastScrollModifier;
+    // Multiply the scroll speed when the modifier is down
+    if ((modifier === 'alt' && ev.altKey) ||
+      (modifier === 'ctrl' && ev.ctrlKey) ||
+      (modifier === 'shift' && ev.shiftKey)) {
+      return amount * this._optionsService.rawOptions.fastScrollSensitivity * this._optionsService.rawOptions.scrollSensitivity;
+    }
+
+    return amount * this._optionsService.rawOptions.scrollSensitivity;
+  }
+
+  /**
+   * Handles the touchstart event, recording the touch occurred.
+   * @param ev The touch event.
+   */
+  public handleTouchStart(ev: TouchEvent): void {
+    this._lastTouchY = ev.touches[0].pageY;
+  }
+
+  /**
+   * Handles the touchmove event, scrolling the viewport if the position shifted.
+   * @param ev The touch event.
+   */
+  public handleTouchMove(ev: TouchEvent): boolean {
+    const deltaY = this._lastTouchY - ev.touches[0].pageY;
+    this._lastTouchY = ev.touches[0].pageY;
+    if (deltaY === 0) {
+      return false;
+    }
+    this._viewportElement.scrollTop += deltaY;
+    return this._bubbleScroll(ev, deltaY);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/decorations/BufferDecorationRenderer.ts b/web/public/node_modules/@xterm/xterm/src/browser/decorations/BufferDecorationRenderer.ts
new file mode 100644
index 000000000..6ba9ae1ec
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/decorations/BufferDecorationRenderer.ts
@@ -0,0 +1,134 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ICoreBrowserService, IRenderService } from 'browser/services/Services';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IBufferService, IDecorationService, IInternalDecoration } from 'common/services/Services';
+
+export class BufferDecorationRenderer extends Disposable {
+  private readonly _container: HTMLElement;
+  private readonly _decorationElements: Map<IInternalDecoration, HTMLElement> = new Map();
+
+  private _animationFrame: number | undefined;
+  private _altBufferIsActive: boolean = false;
+  private _dimensionsChanged: boolean = false;
+
+  constructor(
+    private readonly _screenElement: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @IDecorationService private readonly _decorationService: IDecorationService,
+    @IRenderService private readonly _renderService: IRenderService
+  ) {
+    super();
+
+    this._container = document.createElement('div');
+    this._container.classList.add('xterm-decoration-container');
+    this._screenElement.appendChild(this._container);
+
+    this.register(this._renderService.onRenderedViewportChange(() => this._doRefreshDecorations()));
+    this.register(this._renderService.onDimensionsChange(() => {
+      this._dimensionsChanged = true;
+      this._queueRefresh();
+    }));
+    this.register(this._coreBrowserService.onDprChange(() => this._queueRefresh()));
+    this.register(this._bufferService.buffers.onBufferActivate(() => {
+      this._altBufferIsActive = this._bufferService.buffer === this._bufferService.buffers.alt;
+    }));
+    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh()));
+    this.register(this._decorationService.onDecorationRemoved(decoration => this._removeDecoration(decoration)));
+    this.register(toDisposable(() => {
+      this._container.remove();
+      this._decorationElements.clear();
+    }));
+  }
+
+  private _queueRefresh(): void {
+    if (this._animationFrame !== undefined) {
+      return;
+    }
+    this._animationFrame = this._renderService.addRefreshCallback(() => {
+      this._doRefreshDecorations();
+      this._animationFrame = undefined;
+    });
+  }
+
+  private _doRefreshDecorations(): void {
+    for (const decoration of this._decorationService.decorations) {
+      this._renderDecoration(decoration);
+    }
+    this._dimensionsChanged = false;
+  }
+
+  private _renderDecoration(decoration: IInternalDecoration): void {
+    this._refreshStyle(decoration);
+    if (this._dimensionsChanged) {
+      this._refreshXPosition(decoration);
+    }
+  }
+
+  private _createElement(decoration: IInternalDecoration): HTMLElement {
+    const element = this._coreBrowserService.mainDocument.createElement('div');
+    element.classList.add('xterm-decoration');
+    element.classList.toggle('xterm-decoration-top-layer', decoration?.options?.layer === 'top');
+    element.style.width = `${Math.round((decoration.options.width || 1) * this._renderService.dimensions.css.cell.width)}px`;
+    element.style.height = `${(decoration.options.height || 1) * this._renderService.dimensions.css.cell.height}px`;
+    element.style.top = `${(decoration.marker.line - this._bufferService.buffers.active.ydisp) * this._renderService.dimensions.css.cell.height}px`;
+    element.style.lineHeight = `${this._renderService.dimensions.css.cell.height}px`;
+
+    const x = decoration.options.x ?? 0;
+    if (x && x > this._bufferService.cols) {
+      // exceeded the container width, so hide
+      element.style.display = 'none';
+    }
+    this._refreshXPosition(decoration, element);
+
+    return element;
+  }
+
+  private _refreshStyle(decoration: IInternalDecoration): void {
+    const line = decoration.marker.line - this._bufferService.buffers.active.ydisp;
+    if (line < 0 || line >= this._bufferService.rows) {
+      // outside of viewport
+      if (decoration.element) {
+        decoration.element.style.display = 'none';
+        decoration.onRenderEmitter.fire(decoration.element);
+      }
+    } else {
+      let element = this._decorationElements.get(decoration);
+      if (!element) {
+        element = this._createElement(decoration);
+        decoration.element = element;
+        this._decorationElements.set(decoration, element);
+        this._container.appendChild(element);
+        decoration.onDispose(() => {
+          this._decorationElements.delete(decoration);
+          element!.remove();
+        });
+      }
+      element.style.top = `${line * this._renderService.dimensions.css.cell.height}px`;
+      element.style.display = this._altBufferIsActive ? 'none' : 'block';
+      decoration.onRenderEmitter.fire(element);
+    }
+  }
+
+  private _refreshXPosition(decoration: IInternalDecoration, element: HTMLElement | undefined = decoration.element): void {
+    if (!element) {
+      return;
+    }
+    const x = decoration.options.x ?? 0;
+    if ((decoration.options.anchor || 'left') === 'right') {
+      element.style.right = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';
+    } else {
+      element.style.left = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';
+    }
+  }
+
+  private _removeDecoration(decoration: IInternalDecoration): void {
+    this._decorationElements.get(decoration)?.remove();
+    this._decorationElements.delete(decoration);
+    decoration.dispose();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/decorations/ColorZoneStore.ts b/web/public/node_modules/@xterm/xterm/src/browser/decorations/ColorZoneStore.ts
new file mode 100644
index 000000000..d066bedb8
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/decorations/ColorZoneStore.ts
@@ -0,0 +1,117 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IInternalDecoration } from 'common/services/Services';
+
+export interface IColorZoneStore {
+  readonly zones: IColorZone[];
+  clear(): void;
+  addDecoration(decoration: IInternalDecoration): void;
+  /**
+   * Sets the amount of padding in lines that will be added between zones, if new lines intersect
+   * the padding they will be merged into the same zone.
+   */
+  setPadding(padding: { [position: string]: number }): void;
+}
+
+export interface IColorZone {
+  /** Color in a format supported by canvas' fillStyle. */
+  color: string;
+  position: 'full' | 'left' | 'center' | 'right' | undefined;
+  startBufferLine: number;
+  endBufferLine: number;
+}
+
+interface IMinimalDecorationForColorZone {
+  marker: Pick<IInternalDecoration['marker'], 'line'>;
+  options: Pick<IInternalDecoration['options'], 'overviewRulerOptions'>;
+}
+
+export class ColorZoneStore implements IColorZoneStore {
+  private _zones: IColorZone[] = [];
+
+  // The zone pool is used to keep zone objects from being freed between clearing the color zone
+  // store and fetching the zones. This helps reduce GC pressure since the color zones are
+  // accumulated on potentially every scroll event.
+  private _zonePool: IColorZone[] = [];
+  private _zonePoolIndex = 0;
+
+  private _linePadding: { [position: string]: number } = {
+    full: 0,
+    left: 0,
+    center: 0,
+    right: 0
+  };
+
+  public get zones(): IColorZone[] {
+    // Trim the zone pool to free unused memory
+    this._zonePool.length = Math.min(this._zonePool.length, this._zones.length);
+    return this._zones;
+  }
+
+  public clear(): void {
+    this._zones.length = 0;
+    this._zonePoolIndex = 0;
+  }
+
+  public addDecoration(decoration: IMinimalDecorationForColorZone): void {
+    if (!decoration.options.overviewRulerOptions) {
+      return;
+    }
+    for (const z of this._zones) {
+      if (z.color === decoration.options.overviewRulerOptions.color &&
+          z.position === decoration.options.overviewRulerOptions.position) {
+        if (this._lineIntersectsZone(z, decoration.marker.line)) {
+          return;
+        }
+        if (this._lineAdjacentToZone(z, decoration.marker.line, decoration.options.overviewRulerOptions.position)) {
+          this._addLineToZone(z, decoration.marker.line);
+          return;
+        }
+      }
+    }
+    // Create using zone pool if possible
+    if (this._zonePoolIndex < this._zonePool.length) {
+      this._zonePool[this._zonePoolIndex].color = decoration.options.overviewRulerOptions.color;
+      this._zonePool[this._zonePoolIndex].position = decoration.options.overviewRulerOptions.position;
+      this._zonePool[this._zonePoolIndex].startBufferLine = decoration.marker.line;
+      this._zonePool[this._zonePoolIndex].endBufferLine = decoration.marker.line;
+      this._zones.push(this._zonePool[this._zonePoolIndex++]);
+      return;
+    }
+    // Create
+    this._zones.push({
+      color: decoration.options.overviewRulerOptions.color,
+      position: decoration.options.overviewRulerOptions.position,
+      startBufferLine: decoration.marker.line,
+      endBufferLine: decoration.marker.line
+    });
+    this._zonePool.push(this._zones[this._zones.length - 1]);
+    this._zonePoolIndex++;
+  }
+
+  public setPadding(padding: { [position: string]: number }): void {
+    this._linePadding = padding;
+  }
+
+  private _lineIntersectsZone(zone: IColorZone, line: number): boolean {
+    return (
+      line >= zone.startBufferLine &&
+      line <= zone.endBufferLine
+    );
+  }
+
+  private _lineAdjacentToZone(zone: IColorZone, line: number, position: IColorZone['position']): boolean {
+    return (
+      (line >= zone.startBufferLine - this._linePadding[position || 'full']) &&
+      (line <= zone.endBufferLine + this._linePadding[position || 'full'])
+    );
+  }
+
+  private _addLineToZone(zone: IColorZone, line: number): void {
+    zone.startBufferLine = Math.min(zone.startBufferLine, line);
+    zone.endBufferLine = Math.max(zone.endBufferLine, line);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/decorations/OverviewRulerRenderer.ts b/web/public/node_modules/@xterm/xterm/src/browser/decorations/OverviewRulerRenderer.ts
new file mode 100644
index 000000000..103d5d9a6
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/decorations/OverviewRulerRenderer.ts
@@ -0,0 +1,218 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations/ColorZoneStore';
+import { ICoreBrowserService, IRenderService } from 'browser/services/Services';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
+
+// Helper objects to avoid excessive calculation and garbage collection during rendering. These are
+// static values for each render and can be accessed using the decoration position as the key.
+const drawHeight = {
+  full: 0,
+  left: 0,
+  center: 0,
+  right: 0
+};
+const drawWidth = {
+  full: 0,
+  left: 0,
+  center: 0,
+  right: 0
+};
+const drawX = {
+  full: 0,
+  left: 0,
+  center: 0,
+  right: 0
+};
+
+export class OverviewRulerRenderer extends Disposable {
+  private readonly _canvas: HTMLCanvasElement;
+  private readonly _ctx: CanvasRenderingContext2D;
+  private readonly _colorZoneStore: IColorZoneStore = new ColorZoneStore();
+  private get _width(): number {
+    return this._optionsService.options.overviewRulerWidth || 0;
+  }
+  private _animationFrame: number | undefined;
+
+  private _shouldUpdateDimensions: boolean | undefined = true;
+  private _shouldUpdateAnchor: boolean | undefined = true;
+  private _lastKnownBufferLength: number = 0;
+
+  private _containerHeight: number | undefined;
+
+  constructor(
+    private readonly _viewportElement: HTMLElement,
+    private readonly _screenElement: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IDecorationService private readonly _decorationService: IDecorationService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService
+  ) {
+    super();
+    this._canvas = this._coreBrowserService.mainDocument.createElement('canvas');
+    this._canvas.classList.add('xterm-decoration-overview-ruler');
+    this._refreshCanvasDimensions();
+    this._viewportElement.parentElement?.insertBefore(this._canvas, this._viewportElement);
+    const ctx = this._canvas.getContext('2d');
+    if (!ctx) {
+      throw new Error('Ctx cannot be null');
+    } else {
+      this._ctx = ctx;
+    }
+    this._registerDecorationListeners();
+    this._registerBufferChangeListeners();
+    this._registerDimensionChangeListeners();
+    this.register(toDisposable(() => {
+      this._canvas?.remove();
+    }));
+  }
+
+  /**
+   * On decoration add or remove, redraw
+   */
+  private _registerDecorationListeners(): void {
+    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh(undefined, true)));
+    this.register(this._decorationService.onDecorationRemoved(() => this._queueRefresh(undefined, true)));
+  }
+
+  /**
+   * On buffer change, redraw
+   * and hide the canvas if the alt buffer is active
+   */
+  private _registerBufferChangeListeners(): void {
+    this.register(this._renderService.onRenderedViewportChange(() => this._queueRefresh()));
+    this.register(this._bufferService.buffers.onBufferActivate(() => {
+      this._canvas!.style.display = this._bufferService.buffer === this._bufferService.buffers.alt ? 'none' : 'block';
+    }));
+    this.register(this._bufferService.onScroll(() => {
+      if (this._lastKnownBufferLength !== this._bufferService.buffers.normal.lines.length) {
+        this._refreshDrawHeightConstants();
+        this._refreshColorZonePadding();
+      }
+    }));
+  }
+  /**
+   * On dimension change, update canvas dimensions
+   * and then redraw
+   */
+  private _registerDimensionChangeListeners(): void {
+    // container height changed
+    this.register(this._renderService.onRender((): void => {
+      if (!this._containerHeight || this._containerHeight !== this._screenElement.clientHeight) {
+        this._queueRefresh(true);
+        this._containerHeight = this._screenElement.clientHeight;
+      }
+    }));
+    // overview ruler width changed
+    this.register(this._optionsService.onSpecificOptionChange('overviewRulerWidth', () => this._queueRefresh(true)));
+    // device pixel ratio changed
+    this.register(this._coreBrowserService.onDprChange(() => this._queueRefresh(true)));
+    // set the canvas dimensions
+    this._queueRefresh(true);
+  }
+
+  private _refreshDrawConstants(): void {
+    // width
+    const outerWidth = Math.floor(this._canvas.width / 3);
+    const innerWidth = Math.ceil(this._canvas.width / 3);
+    drawWidth.full = this._canvas.width;
+    drawWidth.left = outerWidth;
+    drawWidth.center = innerWidth;
+    drawWidth.right = outerWidth;
+    // height
+    this._refreshDrawHeightConstants();
+    // x
+    drawX.full = 0;
+    drawX.left = 0;
+    drawX.center = drawWidth.left;
+    drawX.right = drawWidth.left + drawWidth.center;
+  }
+
+  private _refreshDrawHeightConstants(): void {
+    drawHeight.full = Math.round(2 * this._coreBrowserService.dpr);
+    // Calculate actual pixels per line
+    const pixelsPerLine = this._canvas.height / this._bufferService.buffer.lines.length;
+    // Clamp actual pixels within a range
+    const nonFullHeight = Math.round(Math.max(Math.min(pixelsPerLine, 12), 6) * this._coreBrowserService.dpr);
+    drawHeight.left = nonFullHeight;
+    drawHeight.center = nonFullHeight;
+    drawHeight.right = nonFullHeight;
+  }
+
+  private _refreshColorZonePadding(): void {
+    this._colorZoneStore.setPadding({
+      full: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.full),
+      left: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.left),
+      center: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.center),
+      right: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.right)
+    });
+    this._lastKnownBufferLength = this._bufferService.buffers.normal.lines.length;
+  }
+
+  private _refreshCanvasDimensions(): void {
+    this._canvas.style.width = `${this._width}px`;
+    this._canvas.width = Math.round(this._width * this._coreBrowserService.dpr);
+    this._canvas.style.height = `${this._screenElement.clientHeight}px`;
+    this._canvas.height = Math.round(this._screenElement.clientHeight * this._coreBrowserService.dpr);
+    this._refreshDrawConstants();
+    this._refreshColorZonePadding();
+  }
+
+  private _refreshDecorations(): void {
+    if (this._shouldUpdateDimensions) {
+      this._refreshCanvasDimensions();
+    }
+    this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);
+    this._colorZoneStore.clear();
+    for (const decoration of this._decorationService.decorations) {
+      this._colorZoneStore.addDecoration(decoration);
+    }
+    this._ctx.lineWidth = 1;
+    const zones = this._colorZoneStore.zones;
+    for (const zone of zones) {
+      if (zone.position !== 'full') {
+        this._renderColorZone(zone);
+      }
+    }
+    for (const zone of zones) {
+      if (zone.position === 'full') {
+        this._renderColorZone(zone);
+      }
+    }
+    this._shouldUpdateDimensions = false;
+    this._shouldUpdateAnchor = false;
+  }
+
+  private _renderColorZone(zone: IColorZone): void {
+    this._ctx.fillStyle = zone.color;
+    this._ctx.fillRect(
+      /* x */ drawX[zone.position || 'full'],
+      /* y */ Math.round(
+        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line
+        (zone.startBufferLine / this._bufferService.buffers.active.lines.length) - drawHeight[zone.position || 'full'] / 2
+      ),
+      /* w */ drawWidth[zone.position || 'full'],
+      /* h */ Math.round(
+        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line
+        ((zone.endBufferLine - zone.startBufferLine) / this._bufferService.buffers.active.lines.length) + drawHeight[zone.position || 'full']
+      )
+    );
+  }
+
+  private _queueRefresh(updateCanvasDimensions?: boolean, updateAnchor?: boolean): void {
+    this._shouldUpdateDimensions = updateCanvasDimensions || this._shouldUpdateDimensions;
+    this._shouldUpdateAnchor = updateAnchor || this._shouldUpdateAnchor;
+    if (this._animationFrame !== undefined) {
+      return;
+    }
+    this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+      this._refreshDecorations();
+      this._animationFrame = undefined;
+    });
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/input/CompositionHelper.ts b/web/public/node_modules/@xterm/xterm/src/browser/input/CompositionHelper.ts
new file mode 100644
index 000000000..7542969a6
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/input/CompositionHelper.ts
@@ -0,0 +1,246 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IRenderService } from 'browser/services/Services';
+import { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';
+import { C0 } from 'common/data/EscapeSequences';
+
+interface IPosition {
+  start: number;
+  end: number;
+}
+
+/**
+ * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend
+ * events, displaying the in-progress composition to the UI and forwarding the final composition
+ * to the handler.
+ */
+export class CompositionHelper {
+  /**
+   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or
+   * IME. This variable determines whether the compositionText should be displayed on the UI.
+   */
+  private _isComposing: boolean;
+  public get isComposing(): boolean { return this._isComposing; }
+
+  /**
+   * The position within the input textarea's value of the current composition.
+   */
+  private _compositionPosition: IPosition;
+
+  /**
+   * Whether a composition is in the process of being sent, setting this to false will cancel any
+   * in-progress composition.
+   */
+  private _isSendingComposition: boolean;
+
+  /**
+   * Data already sent due to keydown event.
+   */
+  private _dataAlreadySent: string;
+
+  constructor(
+    private readonly _textarea: HTMLTextAreaElement,
+    private readonly _compositionView: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IRenderService private readonly _renderService: IRenderService
+  ) {
+    this._isComposing = false;
+    this._isSendingComposition = false;
+    this._compositionPosition = { start: 0, end: 0 };
+    this._dataAlreadySent = '';
+  }
+
+  /**
+   * Handles the compositionstart event, activating the composition view.
+   */
+  public compositionstart(): void {
+    this._isComposing = true;
+    this._compositionPosition.start = this._textarea.value.length;
+    this._compositionView.textContent = '';
+    this._dataAlreadySent = '';
+    this._compositionView.classList.add('active');
+  }
+
+  /**
+   * Handles the compositionupdate event, updating the composition view.
+   * @param ev The event.
+   */
+  public compositionupdate(ev: Pick<CompositionEvent, 'data'>): void {
+    this._compositionView.textContent = ev.data;
+    this.updateCompositionElements();
+    setTimeout(() => {
+      this._compositionPosition.end = this._textarea.value.length;
+    }, 0);
+  }
+
+  /**
+   * Handles the compositionend event, hiding the composition view and sending the composition to
+   * the handler.
+   */
+  public compositionend(): void {
+    this._finalizeComposition(true);
+  }
+
+  /**
+   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.
+   * @param ev The keydown event.
+   * @returns Whether the Terminal should continue processing the keydown event.
+   */
+  public keydown(ev: KeyboardEvent): boolean {
+    if (this._isComposing || this._isSendingComposition) {
+      if (ev.keyCode === 229) {
+        // Continue composing if the keyCode is the "composition character"
+        return false;
+      }
+      if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
+        // Continue composing if the keyCode is a modifier key
+        return false;
+      }
+      // Finish composition immediately. This is mainly here for the case where enter is
+      // pressed and the handler needs to be triggered before the command is executed.
+      this._finalizeComposition(false);
+    }
+
+    if (ev.keyCode === 229) {
+      // If the "composition character" is used but gets to this point it means a non-composition
+      // character (eg. numbers and punctuation) was pressed when the IME was active.
+      this._handleAnyTextareaChanges();
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Finalizes the composition, resuming regular input actions. This is called when a composition
+   * is ending.
+   * @param waitForPropagation Whether to wait for events to propagate before sending
+   *   the input. This should be false if a non-composition keystroke is entered before the
+   *   compositionend event is triggered, such as enter, so that the composition is sent before
+   *   the command is executed.
+   */
+  private _finalizeComposition(waitForPropagation: boolean): void {
+    this._compositionView.classList.remove('active');
+    this._isComposing = false;
+
+    if (!waitForPropagation) {
+      // Cancel any delayed composition send requests and send the input immediately.
+      this._isSendingComposition = false;
+      const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);
+      this._coreService.triggerDataEvent(input, true);
+    } else {
+      // Make a deep copy of the composition position here as a new compositionstart event may
+      // fire before the setTimeout executes.
+      const currentCompositionPosition = {
+        start: this._compositionPosition.start,
+        end: this._compositionPosition.end
+      };
+
+      // Since composition* events happen before the changes take place in the textarea on most
+      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
+      // complete. This ensures the correct character is retrieved.
+      // This solution was used because:
+      // - The compositionend event's data property is unreliable, at least on Chromium
+      // - The last compositionupdate event's data property does not always accurately describe
+      //   the character, a counter example being Korean where an ending consonsant can move to
+      //   the following character if the following input is a vowel.
+      this._isSendingComposition = true;
+      setTimeout(() => {
+        // Ensure that the input has not already been sent
+        if (this._isSendingComposition) {
+          this._isSendingComposition = false;
+          let input;
+          // Add length of data already sent due to keydown event,
+          // otherwise input characters can be duplicated. (Issue #3191)
+          currentCompositionPosition.start += this._dataAlreadySent.length;
+          if (this._isComposing) {
+            // Use the end position to get the string if a new composition has started.
+            input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);
+          } else {
+            // Don't use the end position here in order to pick up any characters after the
+            // composition has finished, for example when typing a non-composition character
+            // (eg. 2) after a composition character.
+            input = this._textarea.value.substring(currentCompositionPosition.start);
+          }
+          if (input.length > 0) {
+            this._coreService.triggerDataEvent(input, true);
+          }
+        }
+      }, 0);
+    }
+  }
+
+  /**
+   * Apply any changes made to the textarea after the current event chain is allowed to complete.
+   * This should be called when not currently composing but a keydown event with the "composition
+   * character" (229) is triggered, in order to allow non-composition text to be entered when an
+   * IME is active.
+   */
+  private _handleAnyTextareaChanges(): void {
+    const oldValue = this._textarea.value;
+    setTimeout(() => {
+      // Ignore if a composition has started since the timeout
+      if (!this._isComposing) {
+        const newValue = this._textarea.value;
+
+        const diff = newValue.replace(oldValue, '');
+
+        this._dataAlreadySent = diff;
+
+        if (newValue.length > oldValue.length) {
+          this._coreService.triggerDataEvent(diff, true);
+        } else if (newValue.length < oldValue.length) {
+          this._coreService.triggerDataEvent(`${C0.DEL}`, true);
+        } else if ((newValue.length === oldValue.length) && (newValue !== oldValue)) {
+          this._coreService.triggerDataEvent(newValue, true);
+        }
+
+      }
+    }, 0);
+  }
+
+  /**
+   * Positions the composition view on top of the cursor and the textarea just below it (so the
+   * IME helper dialog is positioned correctly).
+   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is
+   *   necessary as the IME events across browsers are not consistently triggered.
+   */
+  public updateCompositionElements(dontRecurse?: boolean): void {
+    if (!this._isComposing) {
+      return;
+    }
+
+    if (this._bufferService.buffer.isCursorInViewport) {
+      const cursorX = Math.min(this._bufferService.buffer.x, this._bufferService.cols - 1);
+
+      const cellHeight = this._renderService.dimensions.css.cell.height;
+      const cursorTop = this._bufferService.buffer.y * this._renderService.dimensions.css.cell.height;
+      const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;
+
+      this._compositionView.style.left = cursorLeft + 'px';
+      this._compositionView.style.top = cursorTop + 'px';
+      this._compositionView.style.height = cellHeight + 'px';
+      this._compositionView.style.lineHeight = cellHeight + 'px';
+      this._compositionView.style.fontFamily = this._optionsService.rawOptions.fontFamily;
+      this._compositionView.style.fontSize = this._optionsService.rawOptions.fontSize + 'px';
+      // Sync the textarea to the exact position of the composition view so the IME knows where the
+      // text is.
+      const compositionViewBounds = this._compositionView.getBoundingClientRect();
+      this._textarea.style.left = cursorLeft + 'px';
+      this._textarea.style.top = cursorTop + 'px';
+      // Ensure the text area is at least 1x1, otherwise certain IMEs may break
+      this._textarea.style.width = Math.max(compositionViewBounds.width, 1) + 'px';
+      this._textarea.style.height = Math.max(compositionViewBounds.height, 1) + 'px';
+      this._textarea.style.lineHeight = compositionViewBounds.height + 'px';
+    }
+
+    if (!dontRecurse) {
+      setTimeout(() => this.updateCompositionElements(true), 0);
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/input/Mouse.ts b/web/public/node_modules/@xterm/xterm/src/browser/input/Mouse.ts
new file mode 100644
index 000000000..c40a7cc78
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/input/Mouse.ts
@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export function getCoordsRelativeToElement(window: Pick<Window, 'getComputedStyle'>, event: {clientX: number, clientY: number}, element: HTMLElement): [number, number] {
+  const rect = element.getBoundingClientRect();
+  const elementStyle = window.getComputedStyle(element);
+  const leftPadding = parseInt(elementStyle.getPropertyValue('padding-left'));
+  const topPadding = parseInt(elementStyle.getPropertyValue('padding-top'));
+  return [
+    event.clientX - rect.left - leftPadding,
+    event.clientY - rect.top - topPadding
+  ];
+}
+
+/**
+ * Gets coordinates within the terminal for a particular mouse event. The result
+ * is returned as an array in the form [x, y] instead of an object as it's a
+ * little faster and this function is used in some low level code.
+ * @param window The window object the element belongs to.
+ * @param event The mouse event.
+ * @param element The terminal's container element.
+ * @param colCount The number of columns in the terminal.
+ * @param rowCount The number of rows n the terminal.
+ * @param hasValidCharSize Whether there is a valid character size available.
+ * @param cssCellWidth The cell width device pixel render dimensions.
+ * @param cssCellHeight The cell height device pixel render dimensions.
+ * @param isSelection Whether the request is for the selection or not. This will
+ * apply an offset to the x value such that the left half of the cell will
+ * select that cell and the right half will select the next cell.
+ */
+export function getCoords(window: Pick<Window, 'getComputedStyle'>, event: Pick<MouseEvent, 'clientX' | 'clientY'>, element: HTMLElement, colCount: number, rowCount: number, hasValidCharSize: boolean, cssCellWidth: number, cssCellHeight: number, isSelection?: boolean): [number, number] | undefined {
+  // Coordinates cannot be measured if there are no valid
+  if (!hasValidCharSize) {
+    return undefined;
+  }
+
+  const coords = getCoordsRelativeToElement(window, event, element);
+  if (!coords) {
+    return undefined;
+  }
+
+  coords[0] = Math.ceil((coords[0] + (isSelection ? cssCellWidth / 2 : 0)) / cssCellWidth);
+  coords[1] = Math.ceil(coords[1] / cssCellHeight);
+
+  // Ensure coordinates are within the terminal viewport. Note that selections
+  // need an addition point of precision to cover the end point (as characters
+  // cover half of one char and half of the next).
+  coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));
+  coords[1] = Math.min(Math.max(coords[1], 1), rowCount);
+
+  return coords;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/input/MoveToCell.ts b/web/public/node_modules/@xterm/xterm/src/browser/input/MoveToCell.ts
new file mode 100644
index 000000000..c88db7b20
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/input/MoveToCell.ts
@@ -0,0 +1,249 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { C0 } from 'common/data/EscapeSequences';
+import { IBufferService } from 'common/services/Services';
+
+const enum Direction {
+  UP = 'A',
+  DOWN = 'B',
+  RIGHT = 'C',
+  LEFT = 'D'
+}
+
+/**
+ * Concatenates all the arrow sequences together.
+ * Resets the starting row to an unwrapped row, moves to the requested row,
+ * then moves to requested col.
+ */
+export function moveToCellSequence(targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  const startX = bufferService.buffer.x;
+  const startY = bufferService.buffer.y;
+
+  // The alt buffer should try to navigate between rows
+  if (!bufferService.buffer.hasScrollback) {
+    return resetStartingRow(startX, startY, targetX, targetY, bufferService, applicationCursor) +
+      moveToRequestedRow(startY, targetY, bufferService, applicationCursor) +
+      moveToRequestedCol(startX, startY, targetX, targetY, bufferService, applicationCursor);
+  }
+
+  // Only move horizontally for the normal buffer
+  let direction;
+  if (startY === targetY) {
+    direction = startX > targetX ? Direction.LEFT : Direction.RIGHT;
+    return repeat(Math.abs(startX - targetX), sequence(direction, applicationCursor));
+  }
+  direction = startY > targetY ? Direction.LEFT : Direction.RIGHT;
+  const rowDifference = Math.abs(startY - targetY);
+  const cellsToMove = colsFromRowEnd(startY > targetY ? targetX : startX, bufferService) +
+    (rowDifference - 1) * bufferService.cols + 1 /* wrap around 1 row */ +
+    colsFromRowBeginning(startY > targetY ? startX : targetX, bufferService);
+  return repeat(cellsToMove, sequence(direction, applicationCursor));
+}
+
+/**
+ * Find the number of cols from a row beginning to a col.
+ */
+function colsFromRowBeginning(currX: number, bufferService: IBufferService): number {
+  return currX - 1;
+}
+
+/**
+ * Find the number of cols from a col to row end.
+ */
+function colsFromRowEnd(currX: number, bufferService: IBufferService): number {
+  return bufferService.cols - currX;
+}
+
+/**
+ * If the initial position of the cursor is on a row that is wrapped, move the
+ * cursor up to the first row that is not wrapped to have accurate vertical
+ * positioning.
+ */
+function resetStartingRow(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length === 0) {
+    return '';
+  }
+  return repeat(bufferLine(
+    startX, startY, startX,
+    startY - wrappedRowsForRow(startY, bufferService), false, bufferService
+  ).length, sequence(Direction.LEFT, applicationCursor));
+}
+
+/**
+ * Using the reset starting and ending row, move to the requested row,
+ * ignoring wrapped rows
+ */
+function moveToRequestedRow(startY: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  const startRow = startY - wrappedRowsForRow(startY, bufferService);
+  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);
+
+  const rowsToMove = Math.abs(startRow - endRow) - wrappedRowsCount(startY, targetY, bufferService);
+
+  return repeat(rowsToMove, sequence(verticalDirection(startY, targetY), applicationCursor));
+}
+
+/**
+ * Move to the requested col on the ending row
+ */
+function moveToRequestedCol(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  let startRow;
+  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length > 0) {
+    startRow = targetY - wrappedRowsForRow(targetY, bufferService);
+  } else {
+    startRow = startY;
+  }
+
+  const endRow = targetY;
+  const direction = horizontalDirection(startX, startY, targetX, targetY, bufferService, applicationCursor);
+
+  return repeat(bufferLine(
+    startX, startRow, targetX, endRow,
+    direction === Direction.RIGHT, bufferService
+  ).length, sequence(direction, applicationCursor));
+}
+
+/**
+ * Utility functions
+ */
+
+/**
+ * Calculates the number of wrapped rows between the unwrapped starting and
+ * ending rows. These rows need to ignored since the cursor skips over them.
+ */
+function wrappedRowsCount(startY: number, targetY: number, bufferService: IBufferService): number {
+  let wrappedRows = 0;
+  const startRow = startY - wrappedRowsForRow(startY, bufferService);
+  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);
+
+  for (let i = 0; i < Math.abs(startRow - endRow); i++) {
+    const direction = verticalDirection(startY, targetY) === Direction.UP ? -1 : 1;
+    const line = bufferService.buffer.lines.get(startRow + (direction * i));
+    if (line?.isWrapped) {
+      wrappedRows++;
+    }
+  }
+
+  return wrappedRows;
+}
+
+/**
+ * Calculates the number of wrapped rows that make up a given row.
+ * @param currentRow The row to determine how many wrapped rows make it up
+ */
+function wrappedRowsForRow(currentRow: number, bufferService: IBufferService): number {
+  let rowCount = 0;
+  let line = bufferService.buffer.lines.get(currentRow);
+  let lineWraps = line?.isWrapped;
+
+  while (lineWraps && currentRow >= 0 && currentRow < bufferService.rows) {
+    rowCount++;
+    line = bufferService.buffer.lines.get(--currentRow);
+    lineWraps = line?.isWrapped;
+  }
+
+  return rowCount;
+}
+
+/**
+ * Direction determiners
+ */
+
+/**
+ * Determines if the right or left arrow is needed
+ */
+function horizontalDirection(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): Direction {
+  let startRow;
+  if (moveToRequestedRow(targetX, targetY, bufferService, applicationCursor).length > 0) {
+    startRow = targetY - wrappedRowsForRow(targetY, bufferService);
+  } else {
+    startRow = startY;
+  }
+
+  if ((startX < targetX &&
+    startRow <= targetY) || // down/right or same y/right
+    (startX >= targetX &&
+    startRow < targetY)) {  // down/left or same y/left
+    return Direction.RIGHT;
+  }
+  return Direction.LEFT;
+}
+
+/**
+ * Determines if the up or down arrow is needed
+ */
+function verticalDirection(startY: number, targetY: number): Direction {
+  return startY > targetY ? Direction.UP : Direction.DOWN;
+}
+
+/**
+ * Constructs the string of chars in the buffer from a starting row and col
+ * to an ending row and col
+ * @param startCol The starting column position
+ * @param startRow The starting row position
+ * @param endCol The ending column position
+ * @param endRow The ending row position
+ * @param forward Direction to move
+ */
+function bufferLine(
+  startCol: number,
+  startRow: number,
+  endCol: number,
+  endRow: number,
+  forward: boolean,
+  bufferService: IBufferService
+): string {
+  let currentCol = startCol;
+  let currentRow = startRow;
+  let bufferStr = '';
+
+  while (currentCol !== endCol || currentRow !== endRow) {
+    currentCol += forward ? 1 : -1;
+
+    if (forward && currentCol > bufferService.cols - 1) {
+      bufferStr += bufferService.buffer.translateBufferLineToString(
+        currentRow, false, startCol, currentCol
+      );
+      currentCol = 0;
+      startCol = 0;
+      currentRow++;
+    } else if (!forward && currentCol < 0) {
+      bufferStr += bufferService.buffer.translateBufferLineToString(
+        currentRow, false, 0, startCol + 1
+      );
+      currentCol = bufferService.cols - 1;
+      startCol = currentCol;
+      currentRow--;
+    }
+  }
+
+  return bufferStr + bufferService.buffer.translateBufferLineToString(
+    currentRow, false, startCol, currentCol
+  );
+}
+
+/**
+ * Constructs the escape sequence for clicking an arrow
+ * @param direction The direction to move
+ */
+function sequence(direction: Direction, applicationCursor: boolean): string {
+  const mod =  applicationCursor ? 'O' : '[';
+  return C0.ESC + mod + direction;
+}
+
+/**
+ * Returns a string repeated a given number of times
+ * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
+ * @param count The number of times to repeat the string
+ * @param str The string that is to be repeated
+ */
+function repeat(count: number, str: string): string {
+  count = Math.floor(count);
+  let rpt = '';
+  for (let i = 0; i < count; i++) {
+    rpt += str;
+  }
+  return rpt;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/public/Terminal.ts b/web/public/node_modules/@xterm/xterm/src/browser/public/Terminal.ts
new file mode 100644
index 000000000..a6349225d
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/public/Terminal.ts
@@ -0,0 +1,266 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import * as Strings from 'browser/LocalizableStrings';
+import { Terminal as TerminalCore } from 'browser/Terminal';
+import { IBufferRange, ITerminal } from 'browser/Types';
+import { IEvent } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { ITerminalOptions } from 'common/Types';
+import { AddonManager } from 'common/public/AddonManager';
+import { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';
+import { ParserApi } from 'common/public/ParserApi';
+import { UnicodeApi } from 'common/public/UnicodeApi';
+import { IBufferNamespace as IBufferNamespaceApi, IDecoration, IDecorationOptions, IDisposable, ILinkProvider, ILocalizableStrings, IMarker, IModes, IParser, ITerminalAddon, Terminal as ITerminalApi, ITerminalInitOnlyOptions, IUnicodeHandling } from '@xterm/xterm';
+
+/**
+ * The set of options that only have an effect when set in the Terminal constructor.
+ */
+const CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];
+
+export class Terminal extends Disposable implements ITerminalApi {
+  private _core: ITerminal;
+  private _addonManager: AddonManager;
+  private _parser: IParser | undefined;
+  private _buffer: BufferNamespaceApi | undefined;
+  private _publicOptions: Required<ITerminalOptions>;
+
+  constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions) {
+    super();
+
+    this._core = this.register(new TerminalCore(options));
+    this._addonManager = this.register(new AddonManager());
+
+    this._publicOptions = { ... this._core.options };
+    const getter = (propName: string): any => {
+      return this._core.options[propName];
+    };
+    const setter = (propName: string, value: any): void => {
+      this._checkReadonlyOptions(propName);
+      this._core.options[propName] = value;
+    };
+
+    for (const propName in this._core.options) {
+      const desc = {
+        get: getter.bind(this, propName),
+        set: setter.bind(this, propName)
+      };
+      Object.defineProperty(this._publicOptions, propName, desc);
+    }
+  }
+
+  private _checkReadonlyOptions(propName: string): void {
+    // Throw an error if any constructor only option is modified
+    // from terminal.options
+    // Modifications from anywhere else are allowed
+    if (CONSTRUCTOR_ONLY_OPTIONS.includes(propName)) {
+      throw new Error(`Option "${propName}" can only be set in the constructor`);
+    }
+  }
+
+  private _checkProposedApi(): void {
+    if (!this._core.optionsService.rawOptions.allowProposedApi) {
+      throw new Error('You must set the allowProposedApi option to true to use proposed API');
+    }
+  }
+
+  public get onBell(): IEvent<void> { return this._core.onBell; }
+  public get onBinary(): IEvent<string> { return this._core.onBinary; }
+  public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }
+  public get onData(): IEvent<string> { return this._core.onData; }
+  public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }
+  public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
+  public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }
+  public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }
+  public get onScroll(): IEvent<number> { return this._core.onScroll; }
+  public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }
+  public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
+  public get onWriteParsed(): IEvent<void> { return this._core.onWriteParsed; }
+
+  public get element(): HTMLElement | undefined { return this._core.element; }
+  public get parser(): IParser {
+    if (!this._parser) {
+      this._parser = new ParserApi(this._core);
+    }
+    return this._parser;
+  }
+  public get unicode(): IUnicodeHandling {
+    this._checkProposedApi();
+    return new UnicodeApi(this._core);
+  }
+  public get textarea(): HTMLTextAreaElement | undefined { return this._core.textarea; }
+  public get rows(): number { return this._core.rows; }
+  public get cols(): number { return this._core.cols; }
+  public get buffer(): IBufferNamespaceApi {
+    if (!this._buffer) {
+      this._buffer = this.register(new BufferNamespaceApi(this._core));
+    }
+    return this._buffer;
+  }
+  public get markers(): ReadonlyArray<IMarker> {
+    this._checkProposedApi();
+    return this._core.markers;
+  }
+  public get modes(): IModes {
+    const m = this._core.coreService.decPrivateModes;
+    let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';
+    switch (this._core.coreMouseService.activeProtocol) {
+      case 'X10': mouseTrackingMode = 'x10'; break;
+      case 'VT200': mouseTrackingMode = 'vt200'; break;
+      case 'DRAG': mouseTrackingMode = 'drag'; break;
+      case 'ANY': mouseTrackingMode = 'any'; break;
+    }
+    return {
+      applicationCursorKeysMode: m.applicationCursorKeys,
+      applicationKeypadMode: m.applicationKeypad,
+      bracketedPasteMode: m.bracketedPasteMode,
+      insertMode: this._core.coreService.modes.insertMode,
+      mouseTrackingMode: mouseTrackingMode,
+      originMode: m.origin,
+      reverseWraparoundMode: m.reverseWraparound,
+      sendFocusMode: m.sendFocus,
+      wraparoundMode: m.wraparound
+    };
+  }
+  public get options(): Required<ITerminalOptions> {
+    return this._publicOptions;
+  }
+  public set options(options: ITerminalOptions) {
+    for (const propName in options) {
+      this._publicOptions[propName] = options[propName];
+    }
+  }
+  public blur(): void {
+    this._core.blur();
+  }
+  public focus(): void {
+    this._core.focus();
+  }
+  public input(data: string, wasUserInput: boolean = true): void {
+    this._core.input(data, wasUserInput);
+  }
+  public resize(columns: number, rows: number): void {
+    this._verifyIntegers(columns, rows);
+    this._core.resize(columns, rows);
+  }
+  public open(parent: HTMLElement): void {
+    this._core.open(parent);
+  }
+  public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {
+    this._core.attachCustomKeyEventHandler(customKeyEventHandler);
+  }
+  public attachCustomWheelEventHandler(customWheelEventHandler: (event: WheelEvent) => boolean): void {
+    this._core.attachCustomWheelEventHandler(customWheelEventHandler);
+  }
+  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
+    return this._core.registerLinkProvider(linkProvider);
+  }
+  public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {
+    this._checkProposedApi();
+    return this._core.registerCharacterJoiner(handler);
+  }
+  public deregisterCharacterJoiner(joinerId: number): void {
+    this._checkProposedApi();
+    this._core.deregisterCharacterJoiner(joinerId);
+  }
+  public registerMarker(cursorYOffset: number = 0): IMarker {
+    this._verifyIntegers(cursorYOffset);
+    return this._core.registerMarker(cursorYOffset);
+  }
+  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {
+    this._checkProposedApi();
+    this._verifyPositiveIntegers(decorationOptions.x ?? 0, decorationOptions.width ?? 0, decorationOptions.height ?? 0);
+    return this._core.registerDecoration(decorationOptions);
+  }
+  public hasSelection(): boolean {
+    return this._core.hasSelection();
+  }
+  public select(column: number, row: number, length: number): void {
+    this._verifyIntegers(column, row, length);
+    this._core.select(column, row, length);
+  }
+  public getSelection(): string {
+    return this._core.getSelection();
+  }
+  public getSelectionPosition(): IBufferRange | undefined {
+    return this._core.getSelectionPosition();
+  }
+  public clearSelection(): void {
+    this._core.clearSelection();
+  }
+  public selectAll(): void {
+    this._core.selectAll();
+  }
+  public selectLines(start: number, end: number): void {
+    this._verifyIntegers(start, end);
+    this._core.selectLines(start, end);
+  }
+  public dispose(): void {
+    super.dispose();
+  }
+  public scrollLines(amount: number): void {
+    this._verifyIntegers(amount);
+    this._core.scrollLines(amount);
+  }
+  public scrollPages(pageCount: number): void {
+    this._verifyIntegers(pageCount);
+    this._core.scrollPages(pageCount);
+  }
+  public scrollToTop(): void {
+    this._core.scrollToTop();
+  }
+  public scrollToBottom(): void {
+    this._core.scrollToBottom();
+  }
+  public scrollToLine(line: number): void {
+    this._verifyIntegers(line);
+    this._core.scrollToLine(line);
+  }
+  public clear(): void {
+    this._core.clear();
+  }
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    this._core.write(data, callback);
+  }
+  public writeln(data: string | Uint8Array, callback?: () => void): void {
+    this._core.write(data);
+    this._core.write('\r\n', callback);
+  }
+  public paste(data: string): void {
+    this._core.paste(data);
+  }
+  public refresh(start: number, end: number): void {
+    this._verifyIntegers(start, end);
+    this._core.refresh(start, end);
+  }
+  public reset(): void {
+    this._core.reset();
+  }
+  public clearTextureAtlas(): void {
+    this._core.clearTextureAtlas();
+  }
+  public loadAddon(addon: ITerminalAddon): void {
+    this._addonManager.loadAddon(this, addon);
+  }
+  public static get strings(): ILocalizableStrings {
+    return Strings;
+  }
+
+  private _verifyIntegers(...values: number[]): void {
+    for (const value of values) {
+      if (value === Infinity || isNaN(value) || value % 1 !== 0) {
+        throw new Error('This API only accepts integers');
+      }
+    }
+  }
+
+  private _verifyPositiveIntegers(...values: number[]): void {
+    for (const value of values) {
+      if (value && (value === Infinity || isNaN(value) || value % 1 !== 0 || value < 0)) {
+        throw new Error('This API only accepts positive integers');
+      }
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/DomRenderer.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/DomRenderer.ts
new file mode 100644
index 000000000..c89cee625
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/DomRenderer.ts
@@ -0,0 +1,539 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { DomRendererRowFactory, RowCss } from 'browser/renderer/dom/DomRendererRowFactory';
+import { WidthCache } from 'browser/renderer/dom/WidthCache';
+import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';
+import { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';
+import { createSelectionRenderModel } from 'browser/renderer/shared/SelectionRenderModel';
+import { IRenderDimensions, IRenderer, IRequestRedrawEvent, ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { ICharSizeService, ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { ILinkifier2, ILinkifierEvent, ITerminal, ReadonlyColorSet } from 'browser/Types';
+import { color } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IBufferService, IInstantiationService, IOptionsService } from 'common/services/Services';
+
+
+const TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';
+const ROW_CONTAINER_CLASS = 'xterm-rows';
+const FG_CLASS_PREFIX = 'xterm-fg-';
+const BG_CLASS_PREFIX = 'xterm-bg-';
+const FOCUS_CLASS = 'xterm-focus';
+const SELECTION_CLASS = 'xterm-selection';
+
+let nextTerminalId = 1;
+
+/**
+ * A fallback renderer for when canvas is slow. This is not meant to be
+ * particularly fast or feature complete, more just stable and usable for when
+ * canvas is not an option.
+ */
+export class DomRenderer extends Disposable implements IRenderer {
+  private _rowFactory: DomRendererRowFactory;
+  private _terminalClass: number = nextTerminalId++;
+
+  private _themeStyleElement!: HTMLStyleElement;
+  private _dimensionsStyleElement!: HTMLStyleElement;
+  private _rowContainer: HTMLElement;
+  private _rowElements: HTMLElement[] = [];
+  private _selectionContainer: HTMLElement;
+  private _widthCache: WidthCache;
+  private _selectionRenderModel: ISelectionRenderModel = createSelectionRenderModel();
+
+  public dimensions: IRenderDimensions;
+
+  public readonly onRequestRedraw = this.register(new EventEmitter<IRequestRedrawEvent>()).event;
+
+  constructor(
+    private readonly _terminal: ITerminal,
+    private readonly _document: Document,
+    private readonly _element: HTMLElement,
+    private readonly _screenElement: HTMLElement,
+    private readonly _viewportElement: HTMLElement,
+    private readonly _helperContainer: HTMLElement,
+    private readonly _linkifier2: ILinkifier2,
+    @IInstantiationService instantiationService: IInstantiationService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @IThemeService private readonly _themeService: IThemeService
+  ) {
+    super();
+    this._rowContainer = this._document.createElement('div');
+    this._rowContainer.classList.add(ROW_CONTAINER_CLASS);
+    this._rowContainer.style.lineHeight = 'normal';
+    this._rowContainer.setAttribute('aria-hidden', 'true');
+    this._refreshRowElements(this._bufferService.cols, this._bufferService.rows);
+    this._selectionContainer = this._document.createElement('div');
+    this._selectionContainer.classList.add(SELECTION_CLASS);
+    this._selectionContainer.setAttribute('aria-hidden', 'true');
+
+    this.dimensions = createRenderDimensions();
+    this._updateDimensions();
+    this.register(this._optionsService.onOptionChange(() => this._handleOptionsChanged()));
+
+    this.register(this._themeService.onChangeColors(e => this._injectCss(e)));
+    this._injectCss(this._themeService.colors);
+
+    this._rowFactory = instantiationService.createInstance(DomRendererRowFactory, document);
+
+    this._element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);
+    this._screenElement.appendChild(this._rowContainer);
+    this._screenElement.appendChild(this._selectionContainer);
+
+    this.register(this._linkifier2.onShowLinkUnderline(e => this._handleLinkHover(e)));
+    this.register(this._linkifier2.onHideLinkUnderline(e => this._handleLinkLeave(e)));
+
+    this.register(toDisposable(() => {
+      this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
+
+      // Outside influences such as React unmounts may manipulate the DOM before our disposal.
+      // https://github.com/xtermjs/xterm.js/issues/2960
+      this._rowContainer.remove();
+      this._selectionContainer.remove();
+      this._widthCache.dispose();
+      this._themeStyleElement.remove();
+      this._dimensionsStyleElement.remove();
+    }));
+
+    this._widthCache = new WidthCache(this._document, this._helperContainer);
+    this._widthCache.setFont(
+      this._optionsService.rawOptions.fontFamily,
+      this._optionsService.rawOptions.fontSize,
+      this._optionsService.rawOptions.fontWeight,
+      this._optionsService.rawOptions.fontWeightBold
+    );
+    this._setDefaultSpacing();
+  }
+
+  private _updateDimensions(): void {
+    const dpr = this._coreBrowserService.dpr;
+    this.dimensions.device.char.width = this._charSizeService.width * dpr;
+    this.dimensions.device.char.height = Math.ceil(this._charSizeService.height * dpr);
+    this.dimensions.device.cell.width = this.dimensions.device.char.width + Math.round(this._optionsService.rawOptions.letterSpacing);
+    this.dimensions.device.cell.height = Math.floor(this.dimensions.device.char.height * this._optionsService.rawOptions.lineHeight);
+    this.dimensions.device.char.left = 0;
+    this.dimensions.device.char.top = 0;
+    this.dimensions.device.canvas.width = this.dimensions.device.cell.width * this._bufferService.cols;
+    this.dimensions.device.canvas.height = this.dimensions.device.cell.height * this._bufferService.rows;
+    this.dimensions.css.canvas.width = Math.round(this.dimensions.device.canvas.width / dpr);
+    this.dimensions.css.canvas.height = Math.round(this.dimensions.device.canvas.height / dpr);
+    this.dimensions.css.cell.width = this.dimensions.css.canvas.width / this._bufferService.cols;
+    this.dimensions.css.cell.height = this.dimensions.css.canvas.height / this._bufferService.rows;
+
+    for (const element of this._rowElements) {
+      element.style.width = `${this.dimensions.css.canvas.width}px`;
+      element.style.height = `${this.dimensions.css.cell.height}px`;
+      element.style.lineHeight = `${this.dimensions.css.cell.height}px`;
+      // Make sure rows don't overflow onto following row
+      element.style.overflow = 'hidden';
+    }
+
+    if (!this._dimensionsStyleElement) {
+      this._dimensionsStyleElement = this._document.createElement('style');
+      this._screenElement.appendChild(this._dimensionsStyleElement);
+    }
+
+    const styles =
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +
+      ` display: inline-block;` +   // TODO: find workaround for inline-block (creates ~20% render penalty)
+      ` height: 100%;` +
+      ` vertical-align: top;` +
+      `}`;
+
+    this._dimensionsStyleElement.textContent = styles;
+
+    this._selectionContainer.style.height = this._viewportElement.style.height;
+    this._screenElement.style.width = `${this.dimensions.css.canvas.width}px`;
+    this._screenElement.style.height = `${this.dimensions.css.canvas.height}px`;
+  }
+
+  private _injectCss(colors: ReadonlyColorSet): void {
+    if (!this._themeStyleElement) {
+      this._themeStyleElement = this._document.createElement('style');
+      this._screenElement.appendChild(this._themeStyleElement);
+    }
+
+    // Base CSS
+    let styles =
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +
+      ` color: ${colors.foreground.css};` +
+      ` font-family: ${this._optionsService.rawOptions.fontFamily};` +
+      ` font-size: ${this._optionsService.rawOptions.fontSize}px;` +
+      ` font-kerning: none;` +
+      ` white-space: pre` +
+      `}`;
+    styles +=
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .xterm-dim {` +
+      ` color: ${color.multiplyOpacity(colors.foreground, 0.5).css};` +
+      `}`;
+    // Text styles
+    styles +=
+      `${this._terminalSelector} span:not(.${RowCss.BOLD_CLASS}) {` +
+      ` font-weight: ${this._optionsService.rawOptions.fontWeight};` +
+      `}` +
+      `${this._terminalSelector} span.${RowCss.BOLD_CLASS} {` +
+      ` font-weight: ${this._optionsService.rawOptions.fontWeightBold};` +
+      `}` +
+      `${this._terminalSelector} span.${RowCss.ITALIC_CLASS} {` +
+      ` font-style: italic;` +
+      `}`;
+    // Blink animation
+    const blinkAnimationUnderlineId = `blink_underline_${this._terminalClass}`;
+    const blinkAnimationBarId = `blink_bar_${this._terminalClass}`;
+    const blinkAnimationBlockId = `blink_block_${this._terminalClass}`;
+    styles +=
+      `@keyframes ${blinkAnimationUnderlineId} {` +
+      ` 50% {` +
+      `  border-bottom-style: hidden;` +
+      ` }` +
+      `}`;
+    styles +=
+      `@keyframes ${blinkAnimationBarId} {` +
+      ` 50% {` +
+      `  box-shadow: none;` +
+      ` }` +
+      `}`;
+    styles +=
+      `@keyframes ${blinkAnimationBlockId} {` +
+      ` 0% {` +
+      `  background-color: ${colors.cursor.css};` +
+      `  color: ${colors.cursorAccent.css};` +
+      ` }` +
+      ` 50% {` +
+      `  background-color: inherit;` +
+      `  color: ${colors.cursor.css};` +
+      ` }` +
+      `}`;
+    // Cursor
+    styles +=
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_UNDERLINE_CLASS} {` +
+      ` animation: ${blinkAnimationUnderlineId} 1s step-end infinite;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_BAR_CLASS} {` +
+      ` animation: ${blinkAnimationBarId} 1s step-end infinite;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +
+      ` animation: ${blinkAnimationBlockId} 1s step-end infinite;` +
+      `}` +
+      // !important helps fix an issue where the cursor will not render on top of the selection,
+      // however it's very hard to fix this issue and retain the blink animation without the use of
+      // !important. So this edge case fails when cursor blink is on.
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +
+      ` background-color: ${colors.cursor.css};` +
+      ` color: ${colors.cursorAccent.css};` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS}:not(.${RowCss.CURSOR_BLINK_CLASS}) {` +
+      ` background-color: ${colors.cursor.css} !important;` +
+      ` color: ${colors.cursorAccent.css} !important;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_OUTLINE_CLASS} {` +
+      ` outline: 1px solid ${colors.cursor.css};` +
+      ` outline-offset: -1px;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BAR_CLASS} {` +
+      ` box-shadow: ${this._optionsService.rawOptions.cursorWidth}px 0 0 ${colors.cursor.css} inset;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_UNDERLINE_CLASS} {` +
+      ` border-bottom: 1px ${colors.cursor.css};` +
+      ` border-bottom-style: solid;` +
+      ` height: calc(100% - 1px);` +
+      `}`;
+    // Selection
+    styles +=
+      `${this._terminalSelector} .${SELECTION_CLASS} {` +
+      ` position: absolute;` +
+      ` top: 0;` +
+      ` left: 0;` +
+      ` z-index: 1;` +
+      ` pointer-events: none;` +
+      `}` +
+      `${this._terminalSelector}.focus .${SELECTION_CLASS} div {` +
+      ` position: absolute;` +
+      ` background-color: ${colors.selectionBackgroundOpaque.css};` +
+      `}` +
+      `${this._terminalSelector} .${SELECTION_CLASS} div {` +
+      ` position: absolute;` +
+      ` background-color: ${colors.selectionInactiveBackgroundOpaque.css};` +
+      `}`;
+    // Colors
+    for (const [i, c] of colors.ansi.entries()) {
+      styles +=
+        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +
+        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(c, 0.5).css}; }` +
+        `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;
+    }
+    styles +=
+      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${color.opaque(colors.background).css}; }` +
+      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(color.opaque(colors.background), 0.5).css}; }` +
+      `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${colors.foreground.css}; }`;
+
+    this._themeStyleElement.textContent = styles;
+  }
+
+  /**
+   * default letter spacing
+   * Due to rounding issues in dimensions dpr calc glyph might render
+   * slightly too wide or too narrow. The method corrects the stacking offsets
+   * by applying a default letter-spacing for all chars.
+   * The value gets passed to the row factory to avoid setting this value again
+   * (render speedup is roughly 10%).
+   */
+  private _setDefaultSpacing(): void {
+    // measure same char as in CharSizeService to get the base deviation
+    const spacing = this.dimensions.css.cell.width - this._widthCache.get('W', false, false);
+    this._rowContainer.style.letterSpacing = `${spacing}px`;
+    this._rowFactory.defaultSpacing = spacing;
+  }
+
+  public handleDevicePixelRatioChange(): void {
+    this._updateDimensions();
+    this._widthCache.clear();
+    this._setDefaultSpacing();
+  }
+
+  private _refreshRowElements(cols: number, rows: number): void {
+    // Add missing elements
+    for (let i = this._rowElements.length; i <= rows; i++) {
+      const row = this._document.createElement('div');
+      this._rowContainer.appendChild(row);
+      this._rowElements.push(row);
+    }
+    // Remove excess elements
+    while (this._rowElements.length > rows) {
+      this._rowContainer.removeChild(this._rowElements.pop()!);
+    }
+  }
+
+  public handleResize(cols: number, rows: number): void {
+    this._refreshRowElements(cols, rows);
+    this._updateDimensions();
+    this.handleSelectionChanged(this._selectionRenderModel.selectionStart, this._selectionRenderModel.selectionEnd, this._selectionRenderModel.columnSelectMode);
+  }
+
+  public handleCharSizeChanged(): void {
+    this._updateDimensions();
+    this._widthCache.clear();
+    this._setDefaultSpacing();
+  }
+
+  public handleBlur(): void {
+    this._rowContainer.classList.remove(FOCUS_CLASS);
+    this.renderRows(0, this._bufferService.rows - 1);
+  }
+
+  public handleFocus(): void {
+    this._rowContainer.classList.add(FOCUS_CLASS);
+    this.renderRows(this._bufferService.buffer.y, this._bufferService.buffer.y);
+  }
+
+  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {
+    // Remove all selections
+    this._selectionContainer.replaceChildren();
+    this._rowFactory.handleSelectionChanged(start, end, columnSelectMode);
+    this.renderRows(0, this._bufferService.rows - 1);
+
+    // Selection does not exist
+    if (!start || !end) {
+      return;
+    }
+
+    this._selectionRenderModel.update(this._terminal, start, end, columnSelectMode);
+
+    // Translate from buffer position to viewport position
+    const viewportStartRow = this._selectionRenderModel.viewportStartRow;
+    const viewportEndRow = this._selectionRenderModel.viewportEndRow;
+    const viewportCappedStartRow = this._selectionRenderModel.viewportCappedStartRow;
+    const viewportCappedEndRow = this._selectionRenderModel.viewportCappedEndRow;
+
+    // No need to draw the selection
+    if (viewportCappedStartRow >= this._bufferService.rows || viewportCappedEndRow < 0) {
+      return;
+    }
+
+    // Create the selections
+    const documentFragment = this._document.createDocumentFragment();
+
+    if (columnSelectMode) {
+      const isXFlipped = start[0] > end[0];
+      documentFragment.appendChild(
+        this._createSelectionElement(viewportCappedStartRow, isXFlipped ? end[0] : start[0], isXFlipped ? start[0] : end[0], viewportCappedEndRow - viewportCappedStartRow + 1)
+      );
+    } else {
+      // Draw first row
+      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+      const endCol = viewportCappedStartRow === viewportEndRow ? end[0] : this._bufferService.cols;
+      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
+      // Draw middle rows
+      const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
+      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._bufferService.cols, middleRowsCount));
+      // Draw final row
+      if (viewportCappedStartRow !== viewportCappedEndRow) {
+        // Only draw viewportEndRow if it's not the same as viewporttartRow
+        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));
+      }
+    }
+    this._selectionContainer.appendChild(documentFragment);
+  }
+
+  /**
+   * Creates a selection element at the specified position.
+   * @param row The row of the selection.
+   * @param colStart The start column.
+   * @param colEnd The end columns.
+   */
+  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {
+    const element = this._document.createElement('div');
+    const left = colStart * this.dimensions.css.cell.width;
+    let width = this.dimensions.css.cell.width * (colEnd - colStart);
+    if (left + width > this.dimensions.css.canvas.width) {
+      width = this.dimensions.css.canvas.width - left;
+    }
+
+    element.style.height = `${rowCount * this.dimensions.css.cell.height}px`;
+    element.style.top = `${row * this.dimensions.css.cell.height}px`;
+    element.style.left = `${left}px`;
+    element.style.width = `${width}px`;
+    return element;
+  }
+
+  public handleCursorMove(): void {
+    // No-op, the cursor is drawn when rows are drawn
+  }
+
+  private _handleOptionsChanged(): void {
+    // Force a refresh
+    this._updateDimensions();
+    // Refresh CSS
+    this._injectCss(this._themeService.colors);
+    // update spacing cache
+    this._widthCache.setFont(
+      this._optionsService.rawOptions.fontFamily,
+      this._optionsService.rawOptions.fontSize,
+      this._optionsService.rawOptions.fontWeight,
+      this._optionsService.rawOptions.fontWeightBold
+    );
+    this._setDefaultSpacing();
+  }
+
+  public clear(): void {
+    for (const e of this._rowElements) {
+      /**
+       * NOTE: This used to be `e.innerText = '';` but that doesn't work when using `jsdom` and
+       * `@testing-library/react`
+       *
+       * references:
+       * - https://github.com/testing-library/react-testing-library/issues/1146
+       * - https://github.com/jsdom/jsdom/issues/1245
+       */
+      e.replaceChildren();
+    }
+  }
+
+  public renderRows(start: number, end: number): void {
+    const buffer = this._bufferService.buffer;
+    const cursorAbsoluteY = buffer.ybase + buffer.y;
+    const cursorX = Math.min(buffer.x, this._bufferService.cols - 1);
+    const cursorBlink = this._optionsService.rawOptions.cursorBlink;
+    const cursorStyle = this._optionsService.rawOptions.cursorStyle;
+    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;
+
+    for (let y = start; y <= end; y++) {
+      const row = y + buffer.ydisp;
+      const rowElement = this._rowElements[y];
+      const lineData = buffer.lines.get(row);
+      if (!rowElement || !lineData) {
+        break;
+      }
+      rowElement.replaceChildren(
+        ...this._rowFactory.createRow(
+          lineData,
+          row,
+          row === cursorAbsoluteY,
+          cursorStyle,
+          cursorInactiveStyle,
+          cursorX,
+          cursorBlink,
+          this.dimensions.css.cell.width,
+          this._widthCache,
+          -1,
+          -1
+        )
+      );
+    }
+  }
+
+  private get _terminalSelector(): string {
+    return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;
+  }
+
+  private _handleLinkHover(e: ILinkifierEvent): void {
+    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);
+  }
+
+  private _handleLinkLeave(e: ILinkifierEvent): void {
+    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);
+  }
+
+  private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {
+    /**
+     * NOTE: The linkifier may send out of viewport y-values if:
+     * - negative y-value: the link started at a higher line
+     * - y-value >= maxY: the link ends at a line below viewport
+     *
+     * For negative y-values we can simply adjust x = 0,
+     * as higher up link start means, that everything from
+     * (0,0) is a link under top-down-left-right char progression
+     *
+     * Additionally there might be a small chance of out-of-sync x|y-values
+     * from a race condition of render updates vs. link event handler execution:
+     * - (sync) resize: chances terminal buffer in sync, schedules render update async
+     * - (async) link handler race condition: new buffer metrics, but still on old render state
+     * - (async) render update: brings term metrics and render state back in sync
+     */
+    // clip coords into viewport
+    if (y < 0) x = 0;
+    if (y2 < 0) x2 = 0;
+    const maxY = this._bufferService.rows - 1;
+    y = Math.max(Math.min(y, maxY), 0);
+    y2 = Math.max(Math.min(y2, maxY), 0);
+
+    cols = Math.min(cols, this._bufferService.cols);
+    const buffer = this._bufferService.buffer;
+    const cursorAbsoluteY = buffer.ybase + buffer.y;
+    const cursorX = Math.min(buffer.x, cols - 1);
+    const cursorBlink = this._optionsService.rawOptions.cursorBlink;
+    const cursorStyle = this._optionsService.rawOptions.cursorStyle;
+    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;
+
+    // refresh rows within link range
+    for (let i = y; i <= y2; ++i) {
+      const row = i + buffer.ydisp;
+      const rowElement = this._rowElements[i];
+      const bufferline = buffer.lines.get(row);
+      if (!rowElement || !bufferline) {
+        break;
+      }
+      rowElement.replaceChildren(
+        ...this._rowFactory.createRow(
+          bufferline,
+          row,
+          row === cursorAbsoluteY,
+          cursorStyle,
+          cursorInactiveStyle,
+          cursorX,
+          cursorBlink,
+          this.dimensions.css.cell.width,
+          this._widthCache,
+          enabled ? (i === y ? x : 0) : -1,
+          enabled ? ((i === y2 ? x2 : cols) - 1) : -1
+        )
+      );
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/DomRendererRowFactory.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/DomRendererRowFactory.ts
new file mode 100644
index 000000000..d71edeb96
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/DomRendererRowFactory.ts
@@ -0,0 +1,526 @@
+/**
+ * Copyright (c) 2018, 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferLine, ICellData, IColor } from 'common/Types';
+import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';
+import { WHITESPACE_CELL_CHAR, Attributes } from 'common/buffer/Constants';
+import { CellData } from 'common/buffer/CellData';
+import { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
+import { channels, color } from 'common/Color';
+import { ICharacterJoinerService, ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { JoinedCellData } from 'browser/services/CharacterJoinerService';
+import { treatGlyphAsBackgroundColor } from 'browser/renderer/shared/RendererUtils';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { WidthCache } from 'browser/renderer/dom/WidthCache';
+import { IColorContrastCache } from 'browser/Types';
+
+
+export const enum RowCss {
+  BOLD_CLASS = 'xterm-bold',
+  DIM_CLASS = 'xterm-dim',
+  ITALIC_CLASS = 'xterm-italic',
+  UNDERLINE_CLASS = 'xterm-underline',
+  OVERLINE_CLASS = 'xterm-overline',
+  STRIKETHROUGH_CLASS = 'xterm-strikethrough',
+  CURSOR_CLASS = 'xterm-cursor',
+  CURSOR_BLINK_CLASS = 'xterm-cursor-blink',
+  CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block',
+  CURSOR_STYLE_OUTLINE_CLASS = 'xterm-cursor-outline',
+  CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar',
+  CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline'
+}
+
+
+export class DomRendererRowFactory {
+  private _workCell: CellData = new CellData();
+
+  private _selectionStart: [number, number] | undefined;
+  private _selectionEnd: [number, number] | undefined;
+  private _columnSelectMode: boolean = false;
+
+  public defaultSpacing = 0;
+
+  constructor(
+    private readonly _document: Document,
+    @ICharacterJoinerService private readonly _characterJoinerService: ICharacterJoinerService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IDecorationService private readonly _decorationService: IDecorationService,
+    @IThemeService private readonly _themeService: IThemeService
+  ) {}
+
+  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {
+    this._selectionStart = start;
+    this._selectionEnd = end;
+    this._columnSelectMode = columnSelectMode;
+  }
+
+  public createRow(
+    lineData: IBufferLine,
+    row: number,
+    isCursorRow: boolean,
+    cursorStyle: string | undefined,
+    cursorInactiveStyle: string | undefined,
+    cursorX: number,
+    cursorBlink: boolean,
+    cellWidth: number,
+    widthCache: WidthCache,
+    linkStart: number,
+    linkEnd: number
+  ): HTMLSpanElement[] {
+
+    const elements: HTMLSpanElement[] = [];
+    const joinedRanges = this._characterJoinerService.getJoinedCharacters(row);
+    const colors = this._themeService.colors;
+
+    let lineLength = lineData.getNoBgTrimmedLength();
+    if (isCursorRow && lineLength < cursorX + 1) {
+      lineLength = cursorX + 1;
+    }
+
+    let charElement: HTMLSpanElement | undefined;
+    let cellAmount = 0;
+    let text = '';
+    let oldBg = 0;
+    let oldFg = 0;
+    let oldExt = 0;
+    let oldLinkHover: number | boolean = false;
+    let oldSpacing = 0;
+    let oldIsInSelection: boolean = false;
+    let spacing = 0;
+    const classes: string[] = [];
+
+    const hasHover = linkStart !== -1 && linkEnd !== -1;
+
+    for (let x = 0; x < lineLength; x++) {
+      lineData.loadCell(x, this._workCell);
+      let width = this._workCell.getWidth();
+
+      // The character to the left is a wide character, drawing is owned by the char at x-1
+      if (width === 0) {
+        continue;
+      }
+
+      // If true, indicates that the current character(s) to draw were joined.
+      let isJoined = false;
+      let lastCharX = x;
+
+      // Process any joined character ranges as needed. Because of how the
+      // ranges are produced, we know that they are valid for the characters
+      // and attributes of our input.
+      let cell = this._workCell;
+      if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {
+        isJoined = true;
+        const range = joinedRanges.shift()!;
+
+        // We already know the exact start and end column of the joined range,
+        // so we get the string and width representing it directly
+        cell = new JoinedCellData(
+          this._workCell,
+          lineData.translateToString(true, range[0], range[1]),
+          range[1] - range[0]
+        );
+
+        // Skip over the cells occupied by this range in the loop
+        lastCharX = range[1] - 1;
+
+        // Recalculate width
+        width = cell.getWidth();
+      }
+
+      const isInSelection = this._isCellInSelection(x, row);
+      const isCursorCell = isCursorRow && x === cursorX;
+      const isLinkHover = hasHover && x >= linkStart && x <= linkEnd;
+
+      let isDecorated = false;
+      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {
+        isDecorated = true;
+      });
+
+      // get chars to render for this cell
+      let chars = cell.getChars() || WHITESPACE_CELL_CHAR;
+      if (chars === ' ' && (cell.isUnderline() || cell.isOverline())) {
+        chars = '\xa0';
+      }
+
+      // lookup char render width and calc spacing
+      spacing = width * cellWidth - widthCache.get(chars, cell.isBold(), cell.isItalic());
+
+      if (!charElement) {
+        charElement = this._document.createElement('span');
+      } else {
+        /**
+         * chars can only be merged on existing span if:
+         * - existing span only contains mergeable chars (cellAmount != 0)
+         * - bg did not change (or both are in selection)
+         * - fg did not change (or both are in selection and selection fg is set)
+         * - ext did not change
+         * - underline from hover state did not change
+         * - cell content renders to same letter-spacing
+         * - cell is not cursor
+         */
+        if (
+          cellAmount
+          && (
+            (isInSelection && oldIsInSelection)
+            || (!isInSelection && !oldIsInSelection && cell.bg === oldBg)
+          )
+          && (
+            (isInSelection && oldIsInSelection && colors.selectionForeground)
+            || cell.fg === oldFg
+          )
+          && cell.extended.ext === oldExt
+          && isLinkHover === oldLinkHover
+          && spacing === oldSpacing
+          && !isCursorCell
+          && !isJoined
+          && !isDecorated
+        ) {
+          // no span alterations, thus only account chars skipping all code below
+          if (cell.isInvisible()) {
+            text += WHITESPACE_CELL_CHAR;
+          } else {
+            text += chars;
+          }
+          cellAmount++;
+          continue;
+        } else {
+          /**
+           * cannot merge:
+           * - apply left-over text to old span
+           * - create new span, reset state holders cellAmount & text
+           */
+          if (cellAmount) {
+            charElement.textContent = text;
+          }
+          charElement = this._document.createElement('span');
+          cellAmount = 0;
+          text = '';
+        }
+      }
+      // preserve conditions for next merger eval round
+      oldBg = cell.bg;
+      oldFg = cell.fg;
+      oldExt = cell.extended.ext;
+      oldLinkHover = isLinkHover;
+      oldSpacing = spacing;
+      oldIsInSelection = isInSelection;
+
+      if (isJoined) {
+        // The DOM renderer colors the background of the cursor but for ligatures all cells are
+        // joined. The workaround here is to show a cursor around the whole ligature so it shows up,
+        // the cursor looks the same when on any character of the ligature though
+        if (cursorX >= x && cursorX <= lastCharX) {
+          cursorX = x;
+        }
+      }
+
+      if (!this._coreService.isCursorHidden && isCursorCell && this._coreService.isCursorInitialized) {
+        classes.push(RowCss.CURSOR_CLASS);
+        if (this._coreBrowserService.isFocused) {
+          if (cursorBlink) {
+            classes.push(RowCss.CURSOR_BLINK_CLASS);
+          }
+          classes.push(
+            cursorStyle === 'bar'
+              ? RowCss.CURSOR_STYLE_BAR_CLASS
+              : cursorStyle === 'underline'
+                ? RowCss.CURSOR_STYLE_UNDERLINE_CLASS
+                : RowCss.CURSOR_STYLE_BLOCK_CLASS
+          );
+        } else {
+          if (cursorInactiveStyle) {
+            switch (cursorInactiveStyle) {
+              case 'outline':
+                classes.push(RowCss.CURSOR_STYLE_OUTLINE_CLASS);
+                break;
+              case 'block':
+                classes.push(RowCss.CURSOR_STYLE_BLOCK_CLASS);
+                break;
+              case 'bar':
+                classes.push(RowCss.CURSOR_STYLE_BAR_CLASS);
+                break;
+              case 'underline':
+                classes.push(RowCss.CURSOR_STYLE_UNDERLINE_CLASS);
+                break;
+              default:
+                break;
+            }
+          }
+        }
+      }
+
+      if (cell.isBold()) {
+        classes.push(RowCss.BOLD_CLASS);
+      }
+
+      if (cell.isItalic()) {
+        classes.push(RowCss.ITALIC_CLASS);
+      }
+
+      if (cell.isDim()) {
+        classes.push(RowCss.DIM_CLASS);
+      }
+
+      if (cell.isInvisible()) {
+        text = WHITESPACE_CELL_CHAR;
+      } else {
+        text = cell.getChars() || WHITESPACE_CELL_CHAR;
+      }
+
+      if (cell.isUnderline()) {
+        classes.push(`${RowCss.UNDERLINE_CLASS}-${cell.extended.underlineStyle}`);
+        if (text === ' ') {
+          text = '\xa0'; // = &nbsp;
+        }
+        if (!cell.isUnderlineColorDefault()) {
+          if (cell.isUnderlineColorRGB()) {
+            charElement.style.textDecorationColor = `rgb(${AttributeData.toColorRGB(cell.getUnderlineColor()).join(',')})`;
+          } else {
+            let fg = cell.getUnderlineColor();
+            if (this._optionsService.rawOptions.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {
+              fg += 8;
+            }
+            charElement.style.textDecorationColor = colors.ansi[fg].css;
+          }
+        }
+      }
+
+      if (cell.isOverline()) {
+        classes.push(RowCss.OVERLINE_CLASS);
+        if (text === ' ') {
+          text = '\xa0'; // = &nbsp;
+        }
+      }
+
+      if (cell.isStrikethrough()) {
+        classes.push(RowCss.STRIKETHROUGH_CLASS);
+      }
+
+      // apply link hover underline late, effectively overrides any previous text-decoration
+      // settings
+      if (isLinkHover) {
+        charElement.style.textDecoration = 'underline';
+      }
+
+      let fg = cell.getFgColor();
+      let fgColorMode = cell.getFgColorMode();
+      let bg = cell.getBgColor();
+      let bgColorMode = cell.getBgColorMode();
+      const isInverse = !!cell.isInverse();
+      if (isInverse) {
+        const temp = fg;
+        fg = bg;
+        bg = temp;
+        const temp2 = fgColorMode;
+        fgColorMode = bgColorMode;
+        bgColorMode = temp2;
+      }
+
+      // Apply any decoration foreground/background overrides, this must happen after inverse has
+      // been applied
+      let bgOverride: IColor | undefined;
+      let fgOverride: IColor | undefined;
+      let isTop = false;
+      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {
+        if (d.options.layer !== 'top' && isTop) {
+          return;
+        }
+        if (d.backgroundColorRGB) {
+          bgColorMode = Attributes.CM_RGB;
+          bg = d.backgroundColorRGB.rgba >> 8 & 0xFFFFFF;
+          bgOverride = d.backgroundColorRGB;
+        }
+        if (d.foregroundColorRGB) {
+          fgColorMode = Attributes.CM_RGB;
+          fg = d.foregroundColorRGB.rgba >> 8 & 0xFFFFFF;
+          fgOverride = d.foregroundColorRGB;
+        }
+        isTop = d.options.layer === 'top';
+      });
+
+      // Apply selection
+      if (!isTop && isInSelection) {
+        // If in the selection, force the element to be above the selection to improve contrast and
+        // support opaque selections. The applies background is not actually needed here as
+        // selection is drawn in a seperate container, the main purpose of this to ensuring minimum
+        // contrast ratio
+        bgOverride = this._coreBrowserService.isFocused ? colors.selectionBackgroundOpaque : colors.selectionInactiveBackgroundOpaque;
+        bg = bgOverride.rgba >> 8 & 0xFFFFFF;
+        bgColorMode = Attributes.CM_RGB;
+        // Since an opaque selection is being rendered, the selection pretends to be a decoration to
+        // ensure text is drawn above the selection.
+        isTop = true;
+        // Apply selection foreground if applicable
+        if (colors.selectionForeground) {
+          fgColorMode = Attributes.CM_RGB;
+          fg = colors.selectionForeground.rgba >> 8 & 0xFFFFFF;
+          fgOverride = colors.selectionForeground;
+        }
+      }
+
+      // If it's a top decoration, render above the selection
+      if (isTop) {
+        classes.push('xterm-decoration-top');
+      }
+
+      // Background
+      let resolvedBg: IColor;
+      switch (bgColorMode) {
+        case Attributes.CM_P16:
+        case Attributes.CM_P256:
+          resolvedBg = colors.ansi[bg];
+          classes.push(`xterm-bg-${bg}`);
+          break;
+        case Attributes.CM_RGB:
+          resolvedBg = channels.toColor(bg >> 16, bg >> 8 & 0xFF, bg & 0xFF);
+          this._addStyle(charElement, `background-color:#${padStart((bg >>> 0).toString(16), '0', 6)}`);
+          break;
+        case Attributes.CM_DEFAULT:
+        default:
+          if (isInverse) {
+            resolvedBg = colors.foreground;
+            classes.push(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);
+          } else {
+            resolvedBg = colors.background;
+          }
+      }
+
+      // If there is no background override by now it's the original color, so apply dim if needed
+      if (!bgOverride) {
+        if (cell.isDim()) {
+          bgOverride = color.multiplyOpacity(resolvedBg, 0.5);
+        }
+      }
+
+      // Foreground
+      switch (fgColorMode) {
+        case Attributes.CM_P16:
+        case Attributes.CM_P256:
+          if (cell.isBold() && fg < 8 && this._optionsService.rawOptions.drawBoldTextInBrightColors) {
+            fg += 8;
+          }
+          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.ansi[fg], cell, bgOverride, undefined)) {
+            classes.push(`xterm-fg-${fg}`);
+          }
+          break;
+        case Attributes.CM_RGB:
+          const color = channels.toColor(
+            (fg >> 16) & 0xFF,
+            (fg >>  8) & 0xFF,
+            (fg      ) & 0xFF
+          );
+          if (!this._applyMinimumContrast(charElement, resolvedBg, color, cell, bgOverride, fgOverride)) {
+            this._addStyle(charElement, `color:#${padStart(fg.toString(16), '0', 6)}`);
+          }
+          break;
+        case Attributes.CM_DEFAULT:
+        default:
+          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.foreground, cell, bgOverride, fgOverride)) {
+            if (isInverse) {
+              classes.push(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);
+            }
+          }
+      }
+
+      // apply CSS classes
+      // slightly faster than using classList by omitting
+      // checks for doubled entries (code above should not have doublets)
+      if (classes.length) {
+        charElement.className = classes.join(' ');
+        classes.length = 0;
+      }
+
+      // exclude conditions for cell merging - never merge these
+      if (!isCursorCell && !isJoined && !isDecorated) {
+        cellAmount++;
+      } else {
+        charElement.textContent = text;
+      }
+      // apply letter-spacing rule
+      if (spacing !== this.defaultSpacing) {
+        charElement.style.letterSpacing = `${spacing}px`;
+      }
+
+      elements.push(charElement);
+      x = lastCharX;
+    }
+
+    // postfix text of last merged span
+    if (charElement && cellAmount) {
+      charElement.textContent = text;
+    }
+
+    return elements;
+  }
+
+  private _applyMinimumContrast(element: HTMLElement, bg: IColor, fg: IColor, cell: ICellData, bgOverride: IColor | undefined, fgOverride: IColor | undefined): boolean {
+    if (this._optionsService.rawOptions.minimumContrastRatio === 1 || treatGlyphAsBackgroundColor(cell.getCode())) {
+      return false;
+    }
+
+    // Try get from cache first, only use the cache when there are no decoration overrides
+    const cache = this._getContrastCache(cell);
+    let adjustedColor: IColor | undefined | null = undefined;
+    if (!bgOverride && !fgOverride) {
+      adjustedColor = cache.getColor(bg.rgba, fg.rgba);
+    }
+
+    // Calculate and store in cache
+    if (adjustedColor === undefined) {
+      // Dim cells only require half the contrast, otherwise they wouldn't be distinguishable from
+      // non-dim cells
+      const ratio = this._optionsService.rawOptions.minimumContrastRatio / (cell.isDim() ? 2 : 1);
+      adjustedColor = color.ensureContrastRatio(bgOverride || bg, fgOverride || fg, ratio);
+      cache.setColor((bgOverride || bg).rgba, (fgOverride || fg).rgba, adjustedColor ?? null);
+    }
+
+    if (adjustedColor) {
+      this._addStyle(element, `color:${adjustedColor.css}`);
+      return true;
+    }
+
+    return false;
+  }
+
+  private _getContrastCache(cell: ICellData): IColorContrastCache {
+    if (cell.isDim()) {
+      return this._themeService.colors.halfContrastCache;
+    }
+    return this._themeService.colors.contrastCache;
+  }
+
+  private _addStyle(element: HTMLElement, style: string): void {
+    element.setAttribute('style', `${element.getAttribute('style') || ''}${style};`);
+  }
+
+  private _isCellInSelection(x: number, y: number): boolean {
+    const start = this._selectionStart;
+    const end = this._selectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    if (this._columnSelectMode) {
+      if (start[0] <= end[0]) {
+        return x >= start[0] && y >= start[1] &&
+          x < end[0] && y <= end[1];
+      }
+      return x < start[0] && y >= start[1] &&
+        x >= end[0] && y <= end[1];
+    }
+    return (y > start[1] && y < end[1]) ||
+        (start[1] === end[1] && y === start[1] && x >= start[0] && x < end[0]) ||
+        (start[1] < end[1] && y === end[1] && x < end[0]) ||
+        (start[1] < end[1] && y === start[1] && x >= start[0]);
+  }
+}
+
+function padStart(text: string, padChar: string, length: number): string {
+  while (text.length < length) {
+    text = padChar + text;
+  }
+  return text;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/WidthCache.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/WidthCache.ts
new file mode 100644
index 000000000..03d6cb703
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/dom/WidthCache.ts
@@ -0,0 +1,167 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { FontWeight } from 'common/services/Services';
+
+
+export const enum WidthCacheSettings {
+  /** sentinel for unset values in flat cache */
+  FLAT_UNSET = -9999,
+  /** size of flat cache, size-1 equals highest codepoint handled by flat */
+  FLAT_SIZE = 256,
+  /** char repeat for measuring */
+  REPEAT = 32
+}
+
+
+const enum FontVariant {
+  REGULAR = 0,
+  BOLD = 1,
+  ITALIC = 2,
+  BOLD_ITALIC = 3
+}
+
+
+export class WidthCache implements IDisposable {
+  // flat cache for regular variant up to CacheSettings.FLAT_SIZE
+  // NOTE: ~4x faster access than holey (serving >>80% of terminal content)
+  //       It has a small memory footprint (only 1MB for full BMP caching),
+  //       still the sweet spot is not reached before touching 32k different codepoints,
+  //       thus we store the remaining <<20% of terminal data in a holey structure.
+  protected _flat = new Float32Array(WidthCacheSettings.FLAT_SIZE);
+
+  // holey cache for bold, italic and bold&italic for any string
+  // FIXME: can grow really big over time (~8.5 MB for full BMP caching),
+  //        so a shared API across terminals is needed
+  protected _holey: Map<string, number> | undefined;
+
+  private _font = '';
+  private _fontSize = 0;
+  private _weight: FontWeight = 'normal';
+  private _weightBold: FontWeight = 'bold';
+  private _container: HTMLDivElement;
+  private _measureElements: HTMLSpanElement[] = [];
+
+  constructor(_document: Document, _helperContainer: HTMLElement) {
+    this._container = _document.createElement('div');
+    this._container.classList.add('xterm-width-cache-measure-container');
+    this._container.setAttribute('aria-hidden', 'true');
+    // SP should stack in spans
+    this._container.style.whiteSpace = 'pre';
+    // avoid undercuts in non-monospace fonts from kerning
+    this._container.style.fontKerning = 'none';
+
+    const regular = _document.createElement('span');
+    regular.classList.add('xterm-char-measure-element');
+
+    const bold = _document.createElement('span');
+    bold.classList.add('xterm-char-measure-element');
+    bold.style.fontWeight = 'bold';
+
+    const italic = _document.createElement('span');
+    italic.classList.add('xterm-char-measure-element');
+    italic.style.fontStyle = 'italic';
+
+    const boldItalic = _document.createElement('span');
+    boldItalic.classList.add('xterm-char-measure-element');
+    boldItalic.style.fontWeight = 'bold';
+    boldItalic.style.fontStyle = 'italic';
+
+    // NOTE: must be in order of FontVariant
+    this._measureElements = [regular, bold, italic, boldItalic];
+    this._container.appendChild(regular);
+    this._container.appendChild(bold);
+    this._container.appendChild(italic);
+    this._container.appendChild(boldItalic);
+
+    _helperContainer.appendChild(this._container);
+
+    this.clear();
+  }
+
+  public dispose(): void {
+    this._container.remove();           // remove elements from DOM
+    this._measureElements.length = 0;   // release element refs
+    this._holey = undefined;            // free cache memory via GC
+  }
+
+  /**
+   * Clear the width cache.
+   */
+  public clear(): void {
+    this._flat.fill(WidthCacheSettings.FLAT_UNSET);
+    // .clear() has some overhead, re-assign instead (>3 times faster)
+    this._holey = new Map<string, number>();
+  }
+
+  /**
+   * Set the font for measuring.
+   * Must be called for any changes on font settings.
+   * Also clears the cache.
+   */
+  public setFont(font: string, fontSize: number, weight: FontWeight, weightBold: FontWeight): void {
+    // skip if nothing changed
+    if (font === this._font
+      && fontSize === this._fontSize
+      && weight === this._weight
+      && weightBold === this._weightBold
+    ) {
+      return;
+    }
+
+    this._font = font;
+    this._fontSize = fontSize;
+    this._weight = weight;
+    this._weightBold = weightBold;
+
+    this._container.style.fontFamily = this._font;
+    this._container.style.fontSize = `${this._fontSize}px`;
+    this._measureElements[FontVariant.REGULAR].style.fontWeight = `${weight}`;
+    this._measureElements[FontVariant.BOLD].style.fontWeight = `${weightBold}`;
+    this._measureElements[FontVariant.ITALIC].style.fontWeight = `${weight}`;
+    this._measureElements[FontVariant.BOLD_ITALIC].style.fontWeight = `${weightBold}`;
+
+    this.clear();
+  }
+
+  /**
+   * Get the render width for cell content `c` with current font settings.
+   * `variant` denotes the font variant to be used.
+   */
+  public get(c: string, bold: boolean | number, italic: boolean | number): number {
+    let cp = 0;
+    if (!bold && !italic && c.length === 1 && (cp = c.charCodeAt(0)) < WidthCacheSettings.FLAT_SIZE) {
+      if (this._flat[cp] !== WidthCacheSettings.FLAT_UNSET) {
+        return this._flat[cp];
+      }
+      const width = this._measure(c, 0);
+      if (width > 0) {
+        this._flat[cp] = width;
+      }
+      return width;
+    }
+    let key = c;
+    if (bold) key += 'B';
+    if (italic) key += 'I';
+    let width = this._holey!.get(key);
+    if (width === undefined) {
+      let variant = 0;
+      if (bold) variant |= FontVariant.BOLD;
+      if (italic) variant |= FontVariant.ITALIC;
+      width = this._measure(c, variant);
+      if (width > 0) {
+        this._holey!.set(key, width);
+      }
+    }
+    return width;
+  }
+
+  protected _measure(c: string, variant: FontVariant): number {
+    const el = this._measureElements[variant];
+    el.textContent = c.repeat(WidthCacheSettings.REPEAT);
+    return el.offsetWidth / WidthCacheSettings.REPEAT;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CellColorResolver.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CellColorResolver.ts
new file mode 100644
index 000000000..6f61a704b
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CellColorResolver.ts
@@ -0,0 +1,236 @@
+import { ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { ReadonlyColorSet } from 'browser/Types';
+import { Attributes, BgFlags, ExtFlags, FgFlags, NULL_CELL_CODE, UnderlineStyle } from 'common/buffer/Constants';
+import { IDecorationService, IOptionsService } from 'common/services/Services';
+import { ICellData } from 'common/Types';
+import { Terminal } from '@xterm/xterm';
+import { rgba } from 'common/Color';
+import { treatGlyphAsBackgroundColor } from 'browser/renderer/shared/RendererUtils';
+
+// Work variables to avoid garbage collection
+let $fg = 0;
+let $bg = 0;
+let $hasFg = false;
+let $hasBg = false;
+let $isSelected = false;
+let $colors: ReadonlyColorSet | undefined;
+let $variantOffset = 0;
+
+export class CellColorResolver {
+  /**
+   * The shared result of the {@link resolve} call. This is only safe to use immediately after as
+   * any other calls will share object.
+   */
+  public readonly result: { fg: number, bg: number, ext: number } = {
+    fg: 0,
+    bg: 0,
+    ext: 0
+  };
+
+  constructor(
+    private readonly _terminal: Terminal,
+    private readonly _optionService: IOptionsService,
+    private readonly _selectionRenderModel: ISelectionRenderModel,
+    private readonly _decorationService: IDecorationService,
+    private readonly _coreBrowserService: ICoreBrowserService,
+    private readonly _themeService: IThemeService
+  ) {
+  }
+
+  /**
+   * Resolves colors for the cell, putting the result into the shared {@link result}. This resolves
+   * overrides, inverse and selection for the cell which can then be used to feed into the renderer.
+   */
+  public resolve(cell: ICellData, x: number, y: number, deviceCellWidth: number): void {
+    this.result.bg = cell.bg;
+    this.result.fg = cell.fg;
+    this.result.ext = cell.bg & BgFlags.HAS_EXTENDED ? cell.extended.ext : 0;
+    // Get any foreground/background overrides, this happens on the model to avoid spreading
+    // override logic throughout the different sub-renderers
+
+    // Reset overrides work variables
+    $bg = 0;
+    $fg = 0;
+    $hasBg = false;
+    $hasFg = false;
+    $isSelected = false;
+    $colors = this._themeService.colors;
+    $variantOffset = 0;
+
+    const code = cell.getCode();
+    if (code !== NULL_CELL_CODE && cell.extended.underlineStyle === UnderlineStyle.DOTTED) {
+      const lineWidth = Math.max(1, Math.floor(this._optionService.rawOptions.fontSize * this._coreBrowserService.dpr / 15));
+      $variantOffset = x * deviceCellWidth % (Math.round(lineWidth) * 2);
+    }
+
+    // Apply decorations on the bottom layer
+    this._decorationService.forEachDecorationAtCell(x, y, 'bottom', d => {
+      if (d.backgroundColorRGB) {
+        $bg = d.backgroundColorRGB.rgba >> 8 & Attributes.RGB_MASK;
+        $hasBg = true;
+      }
+      if (d.foregroundColorRGB) {
+        $fg = d.foregroundColorRGB.rgba >> 8 & Attributes.RGB_MASK;
+        $hasFg = true;
+      }
+    });
+
+    // Apply the selection color if needed
+    $isSelected = this._selectionRenderModel.isCellSelected(this._terminal, x, y);
+    if ($isSelected) {
+      // If the cell has a bg color, retain the color by blending it with the selection color
+      if (
+        (this.result.fg & FgFlags.INVERSE) ||
+        (this.result.bg & Attributes.CM_MASK) !== Attributes.CM_DEFAULT
+      ) {
+        // Resolve the standard bg color
+        if (this.result.fg & FgFlags.INVERSE) {
+          switch (this.result.fg & Attributes.CM_MASK) {
+            case Attributes.CM_P16:
+            case Attributes.CM_P256:
+              $bg = this._themeService.colors.ansi[this.result.fg & Attributes.PCOLOR_MASK].rgba;
+              break;
+            case Attributes.CM_RGB:
+              $bg = ((this.result.fg & Attributes.RGB_MASK) << 8) | 0xFF;
+              break;
+            case Attributes.CM_DEFAULT:
+            default:
+              $bg = this._themeService.colors.foreground.rgba;
+          }
+        } else {
+          switch (this.result.bg & Attributes.CM_MASK) {
+            case Attributes.CM_P16:
+            case Attributes.CM_P256:
+              $bg = this._themeService.colors.ansi[this.result.bg & Attributes.PCOLOR_MASK].rgba;
+              break;
+            case Attributes.CM_RGB:
+              $bg = ((this.result.bg & Attributes.RGB_MASK) << 8) | 0xFF;
+              break;
+            // No need to consider default bg color here as it's not possible
+          }
+        }
+        // Blend with selection bg color
+        $bg = rgba.blend(
+          $bg,
+          ((this._coreBrowserService.isFocused ? $colors.selectionBackgroundOpaque : $colors.selectionInactiveBackgroundOpaque).rgba & 0xFFFFFF00) | 0x80
+        ) >> 8 & Attributes.RGB_MASK;
+      } else {
+        $bg = (this._coreBrowserService.isFocused ? $colors.selectionBackgroundOpaque : $colors.selectionInactiveBackgroundOpaque).rgba >> 8 & Attributes.RGB_MASK;
+      }
+      $hasBg = true;
+
+      // Apply explicit selection foreground if present
+      if ($colors.selectionForeground) {
+        $fg = $colors.selectionForeground.rgba >> 8 & Attributes.RGB_MASK;
+        $hasFg = true;
+      }
+
+      // Overwrite fg as bg if it's a special decorative glyph (eg. powerline)
+      if (treatGlyphAsBackgroundColor(cell.getCode())) {
+        // Inverse default background should be treated as transparent
+        if (
+          (this.result.fg & FgFlags.INVERSE) &&
+          (this.result.bg & Attributes.CM_MASK) === Attributes.CM_DEFAULT
+        ) {
+          $fg = (this._coreBrowserService.isFocused ? $colors.selectionBackgroundOpaque : $colors.selectionInactiveBackgroundOpaque).rgba >> 8 & Attributes.RGB_MASK;
+        } else {
+
+          if (this.result.fg & FgFlags.INVERSE) {
+            switch (this.result.bg & Attributes.CM_MASK) {
+              case Attributes.CM_P16:
+              case Attributes.CM_P256:
+                $fg = this._themeService.colors.ansi[this.result.bg & Attributes.PCOLOR_MASK].rgba;
+                break;
+              case Attributes.CM_RGB:
+                $fg = ((this.result.bg & Attributes.RGB_MASK) << 8) | 0xFF;
+                break;
+              // No need to consider default bg color here as it's not possible
+            }
+          } else {
+            switch (this.result.fg & Attributes.CM_MASK) {
+              case Attributes.CM_P16:
+              case Attributes.CM_P256:
+                $fg = this._themeService.colors.ansi[this.result.fg & Attributes.PCOLOR_MASK].rgba;
+                break;
+              case Attributes.CM_RGB:
+                $fg = ((this.result.fg & Attributes.RGB_MASK) << 8) | 0xFF;
+                break;
+              case Attributes.CM_DEFAULT:
+              default:
+                $fg = this._themeService.colors.foreground.rgba;
+            }
+          }
+
+          $fg = rgba.blend(
+            $fg,
+            ((this._coreBrowserService.isFocused ? $colors.selectionBackgroundOpaque : $colors.selectionInactiveBackgroundOpaque).rgba & 0xFFFFFF00) | 0x80
+          ) >> 8 & Attributes.RGB_MASK;
+        }
+        $hasFg = true;
+      }
+    }
+
+    // Apply decorations on the top layer
+    this._decorationService.forEachDecorationAtCell(x, y, 'top', d => {
+      if (d.backgroundColorRGB) {
+        $bg = d.backgroundColorRGB.rgba >> 8 & Attributes.RGB_MASK;
+        $hasBg = true;
+      }
+      if (d.foregroundColorRGB) {
+        $fg = d.foregroundColorRGB.rgba >> 8 & Attributes.RGB_MASK;
+        $hasFg = true;
+      }
+    });
+
+    // Convert any overrides from rgba to the fg/bg packed format. This resolves the inverse flag
+    // ahead of time in order to use the correct cache key
+    if ($hasBg) {
+      if ($isSelected) {
+        // Non-RGB attributes from model + force non-dim + override + force RGB color mode
+        $bg = (cell.bg & ~Attributes.RGB_MASK & ~BgFlags.DIM) | $bg | Attributes.CM_RGB;
+      } else {
+        // Non-RGB attributes from model + override + force RGB color mode
+        $bg = (cell.bg & ~Attributes.RGB_MASK) | $bg | Attributes.CM_RGB;
+      }
+    }
+    if ($hasFg) {
+      // Non-RGB attributes from model + force disable inverse + override + force RGB color mode
+      $fg = (cell.fg & ~Attributes.RGB_MASK & ~FgFlags.INVERSE) | $fg | Attributes.CM_RGB;
+    }
+
+    // Handle case where inverse was specified by only one of bg override or fg override was set,
+    // resolving the other inverse color and setting the inverse flag if needed.
+    if (this.result.fg & FgFlags.INVERSE) {
+      if ($hasBg && !$hasFg) {
+        // Resolve bg color type (default color has a different meaning in fg vs bg)
+        if ((this.result.bg & Attributes.CM_MASK) === Attributes.CM_DEFAULT) {
+          $fg = (this.result.fg & ~(Attributes.RGB_MASK | FgFlags.INVERSE | Attributes.CM_MASK)) | (($colors.background.rgba >> 8 & Attributes.RGB_MASK) & Attributes.RGB_MASK) | Attributes.CM_RGB;
+        } else {
+          $fg = (this.result.fg & ~(Attributes.RGB_MASK | FgFlags.INVERSE | Attributes.CM_MASK)) | this.result.bg & (Attributes.RGB_MASK | Attributes.CM_MASK);
+        }
+        $hasFg = true;
+      }
+      if (!$hasBg && $hasFg) {
+        // Resolve bg color type (default color has a different meaning in fg vs bg)
+        if ((this.result.fg & Attributes.CM_MASK) === Attributes.CM_DEFAULT) {
+          $bg = (this.result.bg & ~(Attributes.RGB_MASK | Attributes.CM_MASK)) | (($colors.foreground.rgba >> 8 & Attributes.RGB_MASK) & Attributes.RGB_MASK) | Attributes.CM_RGB;
+        } else {
+          $bg = (this.result.bg & ~(Attributes.RGB_MASK | Attributes.CM_MASK)) | this.result.fg & (Attributes.RGB_MASK | Attributes.CM_MASK);
+        }
+        $hasBg = true;
+      }
+    }
+
+    // Release object
+    $colors = undefined;
+
+    // Use the override if it exists
+    this.result.bg = $hasBg ? $bg : this.result.bg;
+    this.result.fg = $hasFg ? $fg : this.result.fg;
+
+    // Reset overrides variantOffset
+    this.result.ext &= ~ExtFlags.VARIANT_OFFSET;
+    this.result.ext |= ($variantOffset << 29) & ExtFlags.VARIANT_OFFSET;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CharAtlasCache.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CharAtlasCache.ts
new file mode 100644
index 000000000..0a8714832
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CharAtlasCache.ts
@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { TextureAtlas } from 'browser/renderer/shared/TextureAtlas';
+import { ITerminalOptions, Terminal } from '@xterm/xterm';
+import { ITerminal, ReadonlyColorSet } from 'browser/Types';
+import { ICharAtlasConfig, ITextureAtlas } from 'browser/renderer/shared/Types';
+import { generateConfig, configEquals } from 'browser/renderer/shared/CharAtlasUtils';
+
+interface ITextureAtlasCacheEntry {
+  atlas: ITextureAtlas;
+  config: ICharAtlasConfig;
+  // N.B. This implementation potentially holds onto copies of the terminal forever, so
+  // this may cause memory leaks.
+  ownedBy: Terminal[];
+}
+
+const charAtlasCache: ITextureAtlasCacheEntry[] = [];
+
+/**
+ * Acquires a char atlas, either generating a new one or returning an existing
+ * one that is in use by another terminal.
+ */
+export function acquireTextureAtlas(
+  terminal: Terminal,
+  options: Required<ITerminalOptions>,
+  colors: ReadonlyColorSet,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  deviceCharWidth: number,
+  deviceCharHeight: number,
+  devicePixelRatio: number
+): ITextureAtlas {
+  const newConfig = generateConfig(deviceCellWidth, deviceCellHeight, deviceCharWidth, deviceCharHeight, options, colors, devicePixelRatio);
+
+  // Check to see if the terminal already owns this config
+  for (let i = 0; i < charAtlasCache.length; i++) {
+    const entry = charAtlasCache[i];
+    const ownedByIndex = entry.ownedBy.indexOf(terminal);
+    if (ownedByIndex >= 0) {
+      if (configEquals(entry.config, newConfig)) {
+        return entry.atlas;
+      }
+      // The configs differ, release the terminal from the entry
+      if (entry.ownedBy.length === 1) {
+        entry.atlas.dispose();
+        charAtlasCache.splice(i, 1);
+      } else {
+        entry.ownedBy.splice(ownedByIndex, 1);
+      }
+      break;
+    }
+  }
+
+  // Try match a char atlas from the cache
+  for (let i = 0; i < charAtlasCache.length; i++) {
+    const entry = charAtlasCache[i];
+    if (configEquals(entry.config, newConfig)) {
+      // Add the terminal to the cache entry and return
+      entry.ownedBy.push(terminal);
+      return entry.atlas;
+    }
+  }
+
+  const core: ITerminal = (terminal as any)._core;
+  const newEntry: ITextureAtlasCacheEntry = {
+    atlas: new TextureAtlas(document, newConfig, core.unicodeService),
+    config: newConfig,
+    ownedBy: [terminal]
+  };
+  charAtlasCache.push(newEntry);
+  return newEntry.atlas;
+}
+
+/**
+ * Removes a terminal reference from the cache, allowing its memory to be freed.
+ * @param terminal The terminal to remove.
+ */
+export function removeTerminalFromCache(terminal: Terminal): void {
+  for (let i = 0; i < charAtlasCache.length; i++) {
+    const index = charAtlasCache[i].ownedBy.indexOf(terminal);
+    if (index !== -1) {
+      if (charAtlasCache[i].ownedBy.length === 1) {
+        // Remove the cache entry if it's the only terminal
+        charAtlasCache[i].atlas.dispose();
+        charAtlasCache.splice(i, 1);
+      } else {
+        // Remove the reference from the cache entry
+        charAtlasCache[i].ownedBy.splice(index, 1);
+      }
+      break;
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CharAtlasUtils.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CharAtlasUtils.ts
new file mode 100644
index 000000000..f8fe9104f
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CharAtlasUtils.ts
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharAtlasConfig } from './Types';
+import { Attributes } from 'common/buffer/Constants';
+import { ITerminalOptions } from '@xterm/xterm';
+import { IColorSet, ReadonlyColorSet } from 'browser/Types';
+import { NULL_COLOR } from 'common/Color';
+
+export function generateConfig(deviceCellWidth: number, deviceCellHeight: number, deviceCharWidth: number, deviceCharHeight: number, options: Required<ITerminalOptions>, colors: ReadonlyColorSet, devicePixelRatio: number): ICharAtlasConfig {
+  // null out some fields that don't matter
+  const clonedColors: IColorSet = {
+    foreground: colors.foreground,
+    background: colors.background,
+    cursor: NULL_COLOR,
+    cursorAccent: NULL_COLOR,
+    selectionForeground: NULL_COLOR,
+    selectionBackgroundTransparent: NULL_COLOR,
+    selectionBackgroundOpaque: NULL_COLOR,
+    selectionInactiveBackgroundTransparent: NULL_COLOR,
+    selectionInactiveBackgroundOpaque: NULL_COLOR,
+    // For the static char atlas, we only use the first 16 colors, but we need all 256 for the
+    // dynamic character atlas.
+    ansi: colors.ansi.slice(),
+    contrastCache: colors.contrastCache,
+    halfContrastCache: colors.halfContrastCache
+  };
+  return {
+    customGlyphs: options.customGlyphs,
+    devicePixelRatio,
+    letterSpacing: options.letterSpacing,
+    lineHeight: options.lineHeight,
+    deviceCellWidth: deviceCellWidth,
+    deviceCellHeight: deviceCellHeight,
+    deviceCharWidth: deviceCharWidth,
+    deviceCharHeight: deviceCharHeight,
+    fontFamily: options.fontFamily,
+    fontSize: options.fontSize,
+    fontWeight: options.fontWeight,
+    fontWeightBold: options.fontWeightBold,
+    allowTransparency: options.allowTransparency,
+    drawBoldTextInBrightColors: options.drawBoldTextInBrightColors,
+    minimumContrastRatio: options.minimumContrastRatio,
+    colors: clonedColors
+  };
+}
+
+export function configEquals(a: ICharAtlasConfig, b: ICharAtlasConfig): boolean {
+  for (let i = 0; i < a.colors.ansi.length; i++) {
+    if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {
+      return false;
+    }
+  }
+  return a.devicePixelRatio === b.devicePixelRatio &&
+      a.customGlyphs === b.customGlyphs &&
+      a.lineHeight === b.lineHeight &&
+      a.letterSpacing === b.letterSpacing &&
+      a.fontFamily === b.fontFamily &&
+      a.fontSize === b.fontSize &&
+      a.fontWeight === b.fontWeight &&
+      a.fontWeightBold === b.fontWeightBold &&
+      a.allowTransparency === b.allowTransparency &&
+      a.deviceCharWidth === b.deviceCharWidth &&
+      a.deviceCharHeight === b.deviceCharHeight &&
+      a.drawBoldTextInBrightColors === b.drawBoldTextInBrightColors &&
+      a.minimumContrastRatio === b.minimumContrastRatio &&
+      a.colors.foreground.rgba === b.colors.foreground.rgba &&
+      a.colors.background.rgba === b.colors.background.rgba;
+}
+
+export function is256Color(colorCode: number): boolean {
+  return (colorCode & Attributes.CM_MASK) === Attributes.CM_P16 || (colorCode & Attributes.CM_MASK) === Attributes.CM_P256;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/Constants.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/Constants.ts
new file mode 100644
index 000000000..b5105ec78
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/Constants.ts
@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { isFirefox, isLegacyEdge } from 'common/Platform';
+
+export const INVERTED_DEFAULT_COLOR = 257;
+
+export const DIM_OPACITY = 0.5;
+// The text baseline is set conditionally by browser. Using 'ideographic' for Firefox or Legacy Edge
+// would result in truncated text (Issue 3353). Using 'bottom' for Chrome would result in slightly
+// unaligned Powerline fonts (PR 3356#issuecomment-850928179).
+export const TEXT_BASELINE: CanvasTextBaseline = isFirefox || isLegacyEdge ? 'bottom' : 'ideographic';
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CursorBlinkStateManager.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CursorBlinkStateManager.ts
new file mode 100644
index 000000000..c5bb0870e
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CursorBlinkStateManager.ts
@@ -0,0 +1,146 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICoreBrowserService } from 'browser/services/Services';
+
+/**
+ * The time between cursor blinks.
+ */
+const BLINK_INTERVAL = 600;
+
+export class CursorBlinkStateManager {
+  public isCursorVisible: boolean;
+
+  private _animationFrame: number | undefined;
+  private _blinkStartTimeout: number | undefined;
+  private _blinkInterval: number | undefined;
+
+  /**
+   * The time at which the animation frame was restarted, this is used on the
+   * next render to restart the timers so they don't need to restart the timers
+   * multiple times over a short period.
+   */
+  private _animationTimeRestarted: number | undefined;
+
+  constructor(
+    private _renderCallback: () => void,
+    private _coreBrowserService: ICoreBrowserService
+  ) {
+    this.isCursorVisible = true;
+    if (this._coreBrowserService.isFocused) {
+      this._restartInterval();
+    }
+  }
+
+  public get isPaused(): boolean { return !(this._blinkStartTimeout || this._blinkInterval); }
+
+  public dispose(): void {
+    if (this._blinkInterval) {
+      this._coreBrowserService.window.clearInterval(this._blinkInterval);
+      this._blinkInterval = undefined;
+    }
+    if (this._blinkStartTimeout) {
+      this._coreBrowserService.window.clearTimeout(this._blinkStartTimeout);
+      this._blinkStartTimeout = undefined;
+    }
+    if (this._animationFrame) {
+      this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame);
+      this._animationFrame = undefined;
+    }
+  }
+
+  public restartBlinkAnimation(): void {
+    if (this.isPaused) {
+      return;
+    }
+    // Save a timestamp so that the restart can be done on the next interval
+    this._animationTimeRestarted = Date.now();
+    // Force a cursor render to ensure it's visible and in the correct position
+    this.isCursorVisible = true;
+    if (!this._animationFrame) {
+      this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+        this._renderCallback();
+        this._animationFrame = undefined;
+      });
+    }
+  }
+
+  private _restartInterval(timeToStart: number = BLINK_INTERVAL): void {
+    // Clear any existing interval
+    if (this._blinkInterval) {
+      this._coreBrowserService.window.clearInterval(this._blinkInterval);
+      this._blinkInterval = undefined;
+    }
+
+    // Setup the initial timeout which will hide the cursor, this is done before
+    // the regular interval is setup in order to support restarting the blink
+    // animation in a lightweight way (without thrashing clearInterval and
+    // setInterval).
+    this._blinkStartTimeout = this._coreBrowserService.window.setTimeout(() => {
+      // Check if another animation restart was requested while this was being
+      // started
+      if (this._animationTimeRestarted) {
+        const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);
+        this._animationTimeRestarted = undefined;
+        if (time > 0) {
+          this._restartInterval(time);
+          return;
+        }
+      }
+
+      // Hide the cursor
+      this.isCursorVisible = false;
+      this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+        this._renderCallback();
+        this._animationFrame = undefined;
+      });
+
+      // Setup the blink interval
+      this._blinkInterval = this._coreBrowserService.window.setInterval(() => {
+        // Adjust the animation time if it was restarted
+        if (this._animationTimeRestarted) {
+          // calc time diff
+          // Make restart interval do a setTimeout initially?
+          const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);
+          this._animationTimeRestarted = undefined;
+          this._restartInterval(time);
+          return;
+        }
+
+        // Invert visibility and render
+        this.isCursorVisible = !this.isCursorVisible;
+        this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+          this._renderCallback();
+          this._animationFrame = undefined;
+        });
+      }, BLINK_INTERVAL);
+    }, timeToStart);
+  }
+
+  public pause(): void {
+    this.isCursorVisible = true;
+    if (this._blinkInterval) {
+      this._coreBrowserService.window.clearInterval(this._blinkInterval);
+      this._blinkInterval = undefined;
+    }
+    if (this._blinkStartTimeout) {
+      this._coreBrowserService.window.clearTimeout(this._blinkStartTimeout);
+      this._blinkStartTimeout = undefined;
+    }
+    if (this._animationFrame) {
+      this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame);
+      this._animationFrame = undefined;
+    }
+  }
+
+  public resume(): void {
+    // Clear out any existing timers just in case
+    this.pause();
+
+    this._animationTimeRestarted = undefined;
+    this._restartInterval();
+    this.restartBlinkAnimation();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CustomGlyphs.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CustomGlyphs.ts
new file mode 100644
index 000000000..cf6292af4
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/CustomGlyphs.ts
@@ -0,0 +1,687 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
+
+interface IBlockVector {
+  x: number;
+  y: number;
+  w: number;
+  h: number;
+}
+
+export const blockElementDefinitions: { [index: string]: IBlockVector[] | undefined } = {
+  // Block elements (0x2580-0x2590)
+  '▀': [{ x: 0, y: 0, w: 8, h: 4 }], // UPPER HALF BLOCK
+  '▁': [{ x: 0, y: 7, w: 8, h: 1 }], // LOWER ONE EIGHTH BLOCK
+  '▂': [{ x: 0, y: 6, w: 8, h: 2 }], // LOWER ONE QUARTER BLOCK
+  '▃': [{ x: 0, y: 5, w: 8, h: 3 }], // LOWER THREE EIGHTHS BLOCK
+  '▄': [{ x: 0, y: 4, w: 8, h: 4 }], // LOWER HALF BLOCK
+  '▅': [{ x: 0, y: 3, w: 8, h: 5 }], // LOWER FIVE EIGHTHS BLOCK
+  '▆': [{ x: 0, y: 2, w: 8, h: 6 }], // LOWER THREE QUARTERS BLOCK
+  '▇': [{ x: 0, y: 1, w: 8, h: 7 }], // LOWER SEVEN EIGHTHS BLOCK
+  '█': [{ x: 0, y: 0, w: 8, h: 8 }], // FULL BLOCK
+  '▉': [{ x: 0, y: 0, w: 7, h: 8 }], // LEFT SEVEN EIGHTHS BLOCK
+  '▊': [{ x: 0, y: 0, w: 6, h: 8 }], // LEFT THREE QUARTERS BLOCK
+  '▋': [{ x: 0, y: 0, w: 5, h: 8 }], // LEFT FIVE EIGHTHS BLOCK
+  '▌': [{ x: 0, y: 0, w: 4, h: 8 }], // LEFT HALF BLOCK
+  '▍': [{ x: 0, y: 0, w: 3, h: 8 }], // LEFT THREE EIGHTHS BLOCK
+  '▎': [{ x: 0, y: 0, w: 2, h: 8 }], // LEFT ONE QUARTER BLOCK
+  '▏': [{ x: 0, y: 0, w: 1, h: 8 }], // LEFT ONE EIGHTH BLOCK
+  '▐': [{ x: 4, y: 0, w: 4, h: 8 }], // RIGHT HALF BLOCK
+
+  // Block elements (0x2594-0x2595)
+  '▔': [{ x: 0, y: 0, w: 8, h: 1 }], // UPPER ONE EIGHTH BLOCK
+  '▕': [{ x: 7, y: 0, w: 1, h: 8 }], // RIGHT ONE EIGHTH BLOCK
+
+  // Terminal graphic characters (0x2596-0x259F)
+  '▖': [{ x: 0, y: 4, w: 4, h: 4 }],                             // QUADRANT LOWER LEFT
+  '▗': [{ x: 4, y: 4, w: 4, h: 4 }],                             // QUADRANT LOWER RIGHT
+  '▘': [{ x: 0, y: 0, w: 4, h: 4 }],                             // QUADRANT UPPER LEFT
+  '▙': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
+  '▚': [{ x: 0, y: 0, w: 4, h: 4 }, { x: 4, y: 4, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND LOWER RIGHT
+  '▛': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 4, y: 0, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
+  '▜': [{ x: 0, y: 0, w: 8, h: 4 }, { x: 4, y: 0, w: 4, h: 8 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT
+  '▝': [{ x: 4, y: 0, w: 4, h: 4 }],                             // QUADRANT UPPER RIGHT
+  '▞': [{ x: 4, y: 0, w: 4, h: 4 }, { x: 0, y: 4, w: 4, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT
+  '▟': [{ x: 4, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT
+
+  // VERTICAL ONE EIGHTH BLOCK-2 through VERTICAL ONE EIGHTH BLOCK-7
+  '\u{1FB70}': [{ x: 1, y: 0, w: 1, h: 8 }],
+  '\u{1FB71}': [{ x: 2, y: 0, w: 1, h: 8 }],
+  '\u{1FB72}': [{ x: 3, y: 0, w: 1, h: 8 }],
+  '\u{1FB73}': [{ x: 4, y: 0, w: 1, h: 8 }],
+  '\u{1FB74}': [{ x: 5, y: 0, w: 1, h: 8 }],
+  '\u{1FB75}': [{ x: 6, y: 0, w: 1, h: 8 }],
+
+  // HORIZONTAL ONE EIGHTH BLOCK-2 through HORIZONTAL ONE EIGHTH BLOCK-7
+  '\u{1FB76}': [{ x: 0, y: 1, w: 8, h: 1 }],
+  '\u{1FB77}': [{ x: 0, y: 2, w: 8, h: 1 }],
+  '\u{1FB78}': [{ x: 0, y: 3, w: 8, h: 1 }],
+  '\u{1FB79}': [{ x: 0, y: 4, w: 8, h: 1 }],
+  '\u{1FB7A}': [{ x: 0, y: 5, w: 8, h: 1 }],
+  '\u{1FB7B}': [{ x: 0, y: 6, w: 8, h: 1 }],
+
+  // LEFT AND LOWER ONE EIGHTH BLOCK
+  '\u{1FB7C}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
+  // LEFT AND UPPER ONE EIGHTH BLOCK
+  '\u{1FB7D}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
+  // RIGHT AND UPPER ONE EIGHTH BLOCK
+  '\u{1FB7E}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
+  // RIGHT AND LOWER ONE EIGHTH BLOCK
+  '\u{1FB7F}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
+  // UPPER AND LOWER ONE EIGHTH BLOCK
+  '\u{1FB80}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
+  // HORIZONTAL ONE EIGHTH BLOCK-1358
+  '\u{1FB81}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 2, w: 8, h: 1 }, { x: 0, y: 4, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
+
+  // UPPER ONE QUARTER BLOCK
+  '\u{1FB82}': [{ x: 0, y: 0, w: 8, h: 2 }],
+  // UPPER THREE EIGHTHS BLOCK
+  '\u{1FB83}': [{ x: 0, y: 0, w: 8, h: 3 }],
+  // UPPER FIVE EIGHTHS BLOCK
+  '\u{1FB84}': [{ x: 0, y: 0, w: 8, h: 5 }],
+  // UPPER THREE QUARTERS BLOCK
+  '\u{1FB85}': [{ x: 0, y: 0, w: 8, h: 6 }],
+  // UPPER SEVEN EIGHTHS BLOCK
+  '\u{1FB86}': [{ x: 0, y: 0, w: 8, h: 7 }],
+
+  // RIGHT ONE QUARTER BLOCK
+  '\u{1FB87}': [{ x: 6, y: 0, w: 2, h: 8 }],
+  // RIGHT THREE EIGHTHS B0OCK
+  '\u{1FB88}': [{ x: 5, y: 0, w: 3, h: 8 }],
+  // RIGHT FIVE EIGHTHS BL0CK
+  '\u{1FB89}': [{ x: 3, y: 0, w: 5, h: 8 }],
+  // RIGHT THREE QUARTERS 0LOCK
+  '\u{1FB8A}': [{ x: 2, y: 0, w: 6, h: 8 }],
+  // RIGHT SEVEN EIGHTHS B0OCK
+  '\u{1FB8B}': [{ x: 1, y: 0, w: 7, h: 8 }],
+
+  // CHECKER BOARD FILL
+  '\u{1FB95}': [
+    { x: 0, y: 0, w: 2, h: 2 }, { x: 4, y: 0, w: 2, h: 2 },
+    { x: 2, y: 2, w: 2, h: 2 }, { x: 6, y: 2, w: 2, h: 2 },
+    { x: 0, y: 4, w: 2, h: 2 }, { x: 4, y: 4, w: 2, h: 2 },
+    { x: 2, y: 6, w: 2, h: 2 }, { x: 6, y: 6, w: 2, h: 2 }
+  ],
+  // INVERSE CHECKER BOARD FILL
+  '\u{1FB96}': [
+    { x: 2, y: 0, w: 2, h: 2 }, { x: 6, y: 0, w: 2, h: 2 },
+    { x: 0, y: 2, w: 2, h: 2 }, { x: 4, y: 2, w: 2, h: 2 },
+    { x: 2, y: 4, w: 2, h: 2 }, { x: 6, y: 4, w: 2, h: 2 },
+    { x: 0, y: 6, w: 2, h: 2 }, { x: 4, y: 6, w: 2, h: 2 }
+  ],
+  // HEAVY HORIZONTAL FILL (upper middle and lower one quarter block)
+  '\u{1FB97}': [{ x: 0, y: 2, w: 8, h: 2 }, { x: 0, y: 6, w: 8, h: 2 }]
+};
+
+type PatternDefinition = number[][];
+
+/**
+ * Defines the repeating pattern used by special characters, the pattern is made up of a 2d array of
+ * pixel values to be filled (1) or not filled (0).
+ */
+const patternCharacterDefinitions: { [key: string]: PatternDefinition | undefined } = {
+  // Shade characters (0x2591-0x2593)
+  '░': [ // LIGHT SHADE (25%)
+    [1, 0, 0, 0],
+    [0, 0, 0, 0],
+    [0, 0, 1, 0],
+    [0, 0, 0, 0]
+  ],
+  '▒': [ // MEDIUM SHADE (50%)
+    [1, 0],
+    [0, 0],
+    [0, 1],
+    [0, 0]
+  ],
+  '▓': [ // DARK SHADE (75%)
+    [0, 1],
+    [1, 1],
+    [1, 0],
+    [1, 1]
+  ]
+};
+
+const enum Shapes {
+  /** │ */ TOP_TO_BOTTOM = 'M.5,0 L.5,1',
+  /** ─ */ LEFT_TO_RIGHT = 'M0,.5 L1,.5',
+
+  /** └ */ TOP_TO_RIGHT = 'M.5,0 L.5,.5 L1,.5',
+  /** ┘ */ TOP_TO_LEFT = 'M.5,0 L.5,.5 L0,.5',
+  /** ┐ */ LEFT_TO_BOTTOM = 'M0,.5 L.5,.5 L.5,1',
+  /** ┌ */ RIGHT_TO_BOTTOM = 'M0.5,1 L.5,.5 L1,.5',
+
+  /** ╵ */ MIDDLE_TO_TOP = 'M.5,.5 L.5,0',
+  /** ╴ */ MIDDLE_TO_LEFT = 'M.5,.5 L0,.5',
+  /** ╶ */ MIDDLE_TO_RIGHT = 'M.5,.5 L1,.5',
+  /** ╷ */ MIDDLE_TO_BOTTOM = 'M.5,.5 L.5,1',
+
+  /** ┴ */ T_TOP = 'M0,.5 L1,.5 M.5,.5 L.5,0',
+  /** ┤ */ T_LEFT = 'M.5,0 L.5,1 M.5,.5 L0,.5',
+  /** ├ */ T_RIGHT = 'M.5,0 L.5,1 M.5,.5 L1,.5',
+  /** ┬ */ T_BOTTOM = 'M0,.5 L1,.5 M.5,.5 L.5,1',
+
+  /** ┼ */ CROSS = 'M0,.5 L1,.5 M.5,0 L.5,1',
+
+  /** ╌ */ TWO_DASHES_HORIZONTAL = 'M.1,.5 L.4,.5 M.6,.5 L.9,.5', // .2 empty, .3 filled
+  /** ┄ */ THREE_DASHES_HORIZONTAL = 'M.0667,.5 L.2667,.5 M.4,.5 L.6,.5 M.7333,.5 L.9333,.5', // .1333 empty, .2 filled
+  /** ┉ */ FOUR_DASHES_HORIZONTAL = 'M.05,.5 L.2,.5 M.3,.5 L.45,.5 M.55,.5 L.7,.5 M.8,.5 L.95,.5', // .1 empty, .15 filled
+  /** ╎ */ TWO_DASHES_VERTICAL = 'M.5,.1 L.5,.4 M.5,.6 L.5,.9',
+  /** ┆ */ THREE_DASHES_VERTICAL = 'M.5,.0667 L.5,.2667 M.5,.4 L.5,.6 M.5,.7333 L.5,.9333',
+  /** ┊ */ FOUR_DASHES_VERTICAL = 'M.5,.05 L.5,.2 M.5,.3 L.5,.45 L.5,.55 M.5,.7 L.5,.95',
+}
+
+const enum Style {
+  NORMAL = 1,
+  BOLD = 3
+}
+
+/**
+ * @param xp The percentage of 15% of the x axis.
+ * @param yp The percentage of 15% of the x axis on the y axis.
+ */
+type DrawFunctionDefinition = (xp: number, yp: number) => string;
+
+/**
+ * This contains the definitions of all box drawing characters in the format of SVG paths (ie. the
+ * svg d attribute).
+ */
+export const boxDrawingDefinitions: { [character: string]: { [fontWeight: number]: string | DrawFunctionDefinition } | undefined } = {
+  // Uniform normal and bold
+  '─': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT },
+  '━': { [Style.BOLD]:   Shapes.LEFT_TO_RIGHT },
+  '│': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM },
+  '┃': { [Style.BOLD]:   Shapes.TOP_TO_BOTTOM },
+  '┌': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM },
+  '┏': { [Style.BOLD]:   Shapes.RIGHT_TO_BOTTOM },
+  '┐': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM },
+  '┓': { [Style.BOLD]:   Shapes.LEFT_TO_BOTTOM },
+  '└': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT },
+  '┗': { [Style.BOLD]:   Shapes.TOP_TO_RIGHT },
+  '┘': { [Style.NORMAL]: Shapes.TOP_TO_LEFT },
+  '┛': { [Style.BOLD]:   Shapes.TOP_TO_LEFT },
+  '├': { [Style.NORMAL]: Shapes.T_RIGHT },
+  '┣': { [Style.BOLD]:   Shapes.T_RIGHT },
+  '┤': { [Style.NORMAL]: Shapes.T_LEFT },
+  '┫': { [Style.BOLD]:   Shapes.T_LEFT },
+  '┬': { [Style.NORMAL]: Shapes.T_BOTTOM },
+  '┳': { [Style.BOLD]:   Shapes.T_BOTTOM },
+  '┴': { [Style.NORMAL]: Shapes.T_TOP },
+  '┻': { [Style.BOLD]:   Shapes.T_TOP },
+  '┼': { [Style.NORMAL]: Shapes.CROSS },
+  '╋': { [Style.BOLD]:   Shapes.CROSS },
+  '╴': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT },
+  '╸': { [Style.BOLD]:   Shapes.MIDDLE_TO_LEFT },
+  '╵': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP },
+  '╹': { [Style.BOLD]:   Shapes.MIDDLE_TO_TOP },
+  '╶': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT },
+  '╺': { [Style.BOLD]:   Shapes.MIDDLE_TO_RIGHT },
+  '╷': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM },
+  '╻': { [Style.BOLD]:   Shapes.MIDDLE_TO_BOTTOM },
+
+  // Double border
+  '═': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
+  '║': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
+  '╒': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
+  '╓': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},1 L${.5 - xp},.5 L1,.5 M${.5 + xp},.5 L${.5 + xp},1` },
+  '╔': { [Style.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
+  '╕': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L.5,${.5 - yp} L.5,1 M0,${.5 + yp} L.5,${.5 + yp}` },
+  '╖': { [Style.NORMAL]: (xp, yp) => `M${.5 + xp},1 L${.5 + xp},.5 L0,.5 M${.5 - xp},.5 L${.5 - xp},1` },
+  '╗': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},1` },
+  '╘': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 + yp} L1,${.5 + yp} M.5,${.5 - yp} L1,${.5 - yp}` },
+  '╙': { [Style.NORMAL]: (xp, yp) => `M1,.5 L${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
+  '╚': { [Style.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0 M1,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},0` },
+  '╛': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L.5,${.5 + yp} L.5,0 M0,${.5 - yp} L.5,${.5 - yp}` },
+  '╜': { [Style.NORMAL]: (xp, yp) => `M0,.5 L${.5 + xp},.5 L${.5 + xp},0 M${.5 - xp},.5 L${.5 - xp},0` },
+  '╝': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M0,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},0` },
+  '╞': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
+  '╟': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1 M${.5 + xp},.5 L1,.5` },
+  '╠': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
+  '╡': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L.5,${.5 - yp} M0,${.5 + yp} L.5,${.5 + yp}` },
+  '╢': { [Style.NORMAL]: (xp, yp) => `M0,.5 L${.5 - xp},.5 M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
+  '╣': { [Style.NORMAL]: (xp, yp) => `M${.5 + xp},0 L${.5 + xp},1 M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0` },
+  '╤': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp} M.5,${.5 + yp} L.5,1` },
+  '╥': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},1 M${.5 + xp},.5 L${.5 + xp},1` },
+  '╦': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
+  '╧': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - yp} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
+  '╨': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
+  '╩': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L1,${.5 + yp} M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
+  '╪': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
+  '╫': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
+  '╬': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
+
+  // Diagonal
+  '╱': { [Style.NORMAL]: 'M1,0 L0,1' },
+  '╲': { [Style.NORMAL]: 'M0,0 L1,1' },
+  '╳': { [Style.NORMAL]: 'M1,0 L0,1 M0,0 L1,1' },
+
+  // Mixed weight
+  '╼': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '╽': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '╾': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '╿': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┍': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┎': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┑': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┒': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┕': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┖': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┙': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┚': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┝': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM,                                 [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┞': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM,                               [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┟': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT,                                  [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┠': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
+  '┡': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.TOP_TO_RIGHT },
+  '┢': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
+  '┥': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM,                                 [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┦': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM,                                [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┧': { [Style.NORMAL]: Shapes.TOP_TO_LEFT,                                   [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┨': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
+  '┩': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.TOP_TO_LEFT },
+  '┪': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
+  '┭': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM,                               [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┮': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM,                                [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┯': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
+  '┰': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT,                                 [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┱': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
+  '┲': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
+  '┵': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT,                                  [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┶': { [Style.NORMAL]: Shapes.TOP_TO_LEFT,                                   [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┷': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
+  '┸': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT,                                 [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┹': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.TOP_TO_LEFT },
+  '┺': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.TOP_TO_RIGHT },
+  '┽': { [Style.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}`,  [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┾': { [Style.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}`,   [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┿': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM,                                 [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
+  '╀': { [Style.NORMAL]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}`, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '╁': { [Style.NORMAL]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}`,    [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '╂': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT,                                 [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
+  '╃': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM,                               [Style.BOLD]: Shapes.TOP_TO_LEFT },
+  '╄': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM,                                [Style.BOLD]: Shapes.TOP_TO_RIGHT },
+  '╅': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT,                                  [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
+  '╆': { [Style.NORMAL]: Shapes.TOP_TO_LEFT,                                   [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
+  '╇': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}` },
+  '╈': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}` },
+  '╉': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}` },
+  '╊': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}` },
+
+  // Dashed
+  '╌': { [Style.NORMAL]: Shapes.TWO_DASHES_HORIZONTAL },
+  '╍': { [Style.BOLD]:   Shapes.TWO_DASHES_HORIZONTAL },
+  '┄': { [Style.NORMAL]: Shapes.THREE_DASHES_HORIZONTAL },
+  '┅': { [Style.BOLD]:   Shapes.THREE_DASHES_HORIZONTAL },
+  '┈': { [Style.NORMAL]: Shapes.FOUR_DASHES_HORIZONTAL },
+  '┉': { [Style.BOLD]:   Shapes.FOUR_DASHES_HORIZONTAL },
+  '╎': { [Style.NORMAL]: Shapes.TWO_DASHES_VERTICAL },
+  '╏': { [Style.BOLD]:   Shapes.TWO_DASHES_VERTICAL },
+  '┆': { [Style.NORMAL]: Shapes.THREE_DASHES_VERTICAL  },
+  '┇': { [Style.BOLD]:   Shapes.THREE_DASHES_VERTICAL },
+  '┊': { [Style.NORMAL]: Shapes.FOUR_DASHES_VERTICAL },
+  '┋': { [Style.BOLD]:   Shapes.FOUR_DASHES_VERTICAL },
+
+  // Curved
+  '╭': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 + (yp / .15 * .5)} C.5,${.5 + (yp / .15 * .5)},.5,.5,1,.5` },
+  '╮': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 + (yp / .15 * .5)} C.5,${.5 + (yp / .15 * .5)},.5,.5,0,.5` },
+  '╯': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - (yp / .15 * .5)} C.5,${.5 - (yp / .15 * .5)},.5,.5,0,.5` },
+  '╰': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - (yp / .15 * .5)} C.5,${.5 - (yp / .15 * .5)},.5,.5,1,.5` }
+};
+
+interface IVectorShape {
+  d: string;
+  type: VectorType;
+  leftPadding?: number;
+  rightPadding?: number;
+}
+
+const enum VectorType {
+  FILL,
+  STROKE
+}
+
+/**
+ * This contains the definitions of the primarily used box drawing characters as vector shapes. The
+ * reason these characters are defined specially is to avoid common problems if a user's font has
+ * not been patched with powerline characters and also to get pixel perfect rendering as rendering
+ * issues can occur around AA/SPAA.
+ *
+ * The line variants draw beyond the cell and get clipped to ensure the end of the line is not
+ * visible.
+ *
+ * Original symbols defined in https://github.com/powerline/fontpatcher
+ */
+export const powerlineDefinitions: { [index: string]: IVectorShape } = {
+  // Right triangle solid
+  '\u{E0B0}': { d: 'M0,0 L1,.5 L0,1', type: VectorType.FILL, rightPadding: 2 },
+  // Right triangle line
+  '\u{E0B1}': { d: 'M-1,-.5 L1,.5 L-1,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Left triangle solid
+  '\u{E0B2}': { d: 'M1,0 L0,.5 L1,1', type: VectorType.FILL, leftPadding: 2 },
+  // Left triangle line
+  '\u{E0B3}': { d: 'M2,-.5 L0,.5 L2,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Right semi-circle solid
+  '\u{E0B4}': { d: 'M0,0 L0,1 C0.552,1,1,0.776,1,.5 C1,0.224,0.552,0,0,0', type: VectorType.FILL, rightPadding: 1 },
+  // Right semi-circle line
+  '\u{E0B5}': { d: 'M.2,1 C.422,1,.8,.826,.78,.5 C.8,.174,0.422,0,.2,0', type: VectorType.STROKE, rightPadding: 1 },
+  // Left semi-circle solid
+  '\u{E0B6}': { d: 'M1,0 L1,1 C0.448,1,0,0.776,0,.5 C0,0.224,0.448,0,1,0', type: VectorType.FILL, leftPadding: 1 },
+  // Left semi-circle line
+  '\u{E0B7}': { d: 'M.8,1 C0.578,1,0.2,.826,.22,.5 C0.2,0.174,0.578,0,0.8,0', type: VectorType.STROKE, leftPadding: 1 },
+  // Lower left triangle
+  '\u{E0B8}': { d: 'M-.5,-.5 L1.5,1.5 L-.5,1.5', type: VectorType.FILL },
+  // Backslash separator
+  '\u{E0B9}': { d: 'M-.5,-.5 L1.5,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Lower right triangle
+  '\u{E0BA}': { d: 'M1.5,-.5 L-.5,1.5 L1.5,1.5', type: VectorType.FILL },
+  // Upper left triangle
+  '\u{E0BC}': { d: 'M1.5,-.5 L-.5,1.5 L-.5,-.5', type: VectorType.FILL },
+  // Forward slash separator
+  '\u{E0BD}': { d: 'M1.5,-.5 L-.5,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Upper right triangle
+  '\u{E0BE}': { d: 'M-.5,-.5 L1.5,1.5 L1.5,-.5', type: VectorType.FILL }
+};
+// Forward slash separator redundant
+powerlineDefinitions['\u{E0BB}'] = powerlineDefinitions['\u{E0BD}'];
+// Backslash separator redundant
+powerlineDefinitions['\u{E0BF}'] = powerlineDefinitions['\u{E0B9}'];
+
+/**
+ * Try drawing a custom block element or box drawing character, returning whether it was
+ * successfully drawn.
+ */
+export function tryDrawCustomChar(
+  ctx: CanvasRenderingContext2D,
+  c: string,
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  fontSize: number,
+  devicePixelRatio: number
+): boolean {
+  const blockElementDefinition = blockElementDefinitions[c];
+  if (blockElementDefinition) {
+    drawBlockElementChar(ctx, blockElementDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+    return true;
+  }
+
+  const patternDefinition = patternCharacterDefinitions[c];
+  if (patternDefinition) {
+    drawPatternChar(ctx, patternDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+    return true;
+  }
+
+  const boxDrawingDefinition = boxDrawingDefinitions[c];
+  if (boxDrawingDefinition) {
+    drawBoxDrawingChar(ctx, boxDrawingDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight, devicePixelRatio);
+    return true;
+  }
+
+  const powerlineDefinition = powerlineDefinitions[c];
+  if (powerlineDefinition) {
+    drawPowerlineChar(ctx, powerlineDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight, fontSize, devicePixelRatio);
+    return true;
+  }
+
+  return false;
+}
+
+function drawBlockElementChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: IBlockVector[],
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number
+): void {
+  for (let i = 0; i < charDefinition.length; i++) {
+    const box = charDefinition[i];
+    const xEighth = deviceCellWidth / 8;
+    const yEighth = deviceCellHeight / 8;
+    ctx.fillRect(
+      xOffset + box.x * xEighth,
+      yOffset + box.y * yEighth,
+      box.w * xEighth,
+      box.h * yEighth
+    );
+  }
+}
+
+const cachedPatterns: Map<PatternDefinition, Map</* fillStyle */string, CanvasPattern>> = new Map();
+
+function drawPatternChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: number[][],
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number
+): void {
+  let patternSet = cachedPatterns.get(charDefinition);
+  if (!patternSet) {
+    patternSet = new Map();
+    cachedPatterns.set(charDefinition, patternSet);
+  }
+  const fillStyle = ctx.fillStyle;
+  if (typeof fillStyle !== 'string') {
+    throw new Error(`Unexpected fillStyle type "${fillStyle}"`);
+  }
+  let pattern = patternSet.get(fillStyle);
+  if (!pattern) {
+    const width = charDefinition[0].length;
+    const height = charDefinition.length;
+    const tmpCanvas = ctx.canvas.ownerDocument.createElement('canvas');
+    tmpCanvas.width = width;
+    tmpCanvas.height = height;
+    const tmpCtx = throwIfFalsy(tmpCanvas.getContext('2d'));
+    const imageData = new ImageData(width, height);
+
+    // Extract rgba from fillStyle
+    let r: number;
+    let g: number;
+    let b: number;
+    let a: number;
+    if (fillStyle.startsWith('#')) {
+      r = parseInt(fillStyle.slice(1, 3), 16);
+      g = parseInt(fillStyle.slice(3, 5), 16);
+      b = parseInt(fillStyle.slice(5, 7), 16);
+      a = fillStyle.length > 7 && parseInt(fillStyle.slice(7, 9), 16) || 1;
+    } else if (fillStyle.startsWith('rgba')) {
+      ([r, g, b, a] = fillStyle.substring(5, fillStyle.length - 1).split(',').map(e => parseFloat(e)));
+    } else {
+      throw new Error(`Unexpected fillStyle color format "${fillStyle}" when drawing pattern glyph`);
+    }
+
+    for (let y = 0; y < height; y++) {
+      for (let x = 0; x < width; x++) {
+        imageData.data[(y * width + x) * 4    ] = r;
+        imageData.data[(y * width + x) * 4 + 1] = g;
+        imageData.data[(y * width + x) * 4 + 2] = b;
+        imageData.data[(y * width + x) * 4 + 3] = charDefinition[y][x] * (a * 255);
+      }
+    }
+    tmpCtx.putImageData(imageData, 0, 0);
+    pattern = throwIfFalsy(ctx.createPattern(tmpCanvas, null));
+    patternSet.set(fillStyle, pattern);
+  }
+  ctx.fillStyle = pattern;
+  ctx.fillRect(xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+}
+
+/**
+ * Draws the following box drawing characters by mapping a subset of SVG d attribute instructions to
+ * canvas draw calls.
+ *
+ * Box styles:       ┎┰┒┍┯┑╓╥╖╒╤╕ ┏┳┓┌┲┓┌┬┐┏┱┐
+ * ┌─┬─┐ ┏━┳━┓ ╔═╦═╗ ┠╂┨┝┿┥╟╫╢╞╪╡ ┡╇┩├╊┫┢╈┪┣╉┤
+ * │ │ │ ┃ ┃ ┃ ║ ║ ║ ┖┸┚┕┷┙╙╨╜╘╧╛ └┴┘└┺┛┗┻┛┗┹┘
+ * ├─┼─┤ ┣━╋━┫ ╠═╬═╣ ┏┱┐┌┲┓┌┬┐┌┬┐ ┏┳┓┌┮┓┌┬┐┏┭┐
+ * │ │ │ ┃ ┃ ┃ ║ ║ ║ ┡╃┤├╄┩├╆┪┢╅┤ ┞╀┦├┾┫┟╁┧┣┽┤
+ * └─┴─┘ ┗━┻━┛ ╚═╩═╝ └┴┘└┴┘└┺┛┗┹┘ └┴┘└┶┛┗┻┛┗┵┘
+ *
+ * Other:
+ * ╭─╮ ╲ ╱ ╷╻╎╏┆┇┊┋ ╺╾╴ ╌╌╌ ┄┄┄ ┈┈┈
+ * │ │  ╳  ╽╿╎╏┆┇┊┋ ╶╼╸ ╍╍╍ ┅┅┅ ┉┉┉
+ * ╰─╯ ╱ ╲ ╹╵╎╏┆┇┊┋
+ *
+ * All box drawing characters:
+ * ─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏
+ * ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟
+ * ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯
+ * ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿
+ * ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏
+ * ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟
+ * ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯
+ * ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿
+ *
+ * ---
+ *
+ * Box drawing alignment tests:                                          █
+ *                                                                       ▉
+ *   ╔══╦══╗  ┌──┬──┐  ╭──┬──╮  ╭──┬──╮  ┏━━┳━━┓  ┎┒┏┑   ╷  ╻ ┏┯┓ ┌┰┐    ▊ ╱╲╱╲╳╳╳
+ *   ║┌─╨─┐║  │╔═╧═╗│  │╒═╪═╕│  │╓─╁─╖│  ┃┌─╂─┐┃  ┗╃╄┙  ╶┼╴╺╋╸┠┼┨ ┝╋┥    ▋ ╲╱╲╱╳╳╳
+ *   ║│╲ ╱│║  │║   ║│  ││ │ ││  │║ ┃ ║│  ┃│ ╿ │┃  ┍╅╆┓   ╵  ╹ ┗┷┛ └┸┘    ▌ ╱╲╱╲╳╳╳
+ *   ╠╡ ╳ ╞╣  ├╢   ╟┤  ├┼─┼─┼┤  ├╫─╂─╫┤  ┣┿╾┼╼┿┫  ┕┛┖┚     ┌┄┄┐ ╎ ┏┅┅┓ ┋ ▍ ╲╱╲╱╳╳╳
+ *   ║│╱ ╲│║  │║   ║│  ││ │ ││  │║ ┃ ║│  ┃│ ╽ │┃  ░░▒▒▓▓██ ┊  ┆ ╎ ╏  ┇ ┋ ▎
+ *   ║└─╥─┘║  │╚═╤═╝│  │╘═╪═╛│  │╙─╀─╜│  ┃└─╂─┘┃  ░░▒▒▓▓██ ┊  ┆ ╎ ╏  ┇ ┋ ▏
+ *   ╚══╩══╝  └──┴──┘  ╰──┴──╯  ╰──┴──╯  ┗━━┻━━┛           └╌╌┘ ╎ ┗╍╍┛ ┋  ▁▂▃▄▅▆▇█
+ *
+ * Source: https://www.w3.org/2001/06/utf-8-test/UTF-8-demo.html
+ */
+function drawBoxDrawingChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: { [fontWeight: number]: string | ((xp: number, yp: number) => string) },
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  devicePixelRatio: number
+): void {
+  ctx.strokeStyle = ctx.fillStyle;
+  for (const [fontWeight, instructions] of Object.entries(charDefinition)) {
+    ctx.beginPath();
+    ctx.lineWidth = devicePixelRatio * Number.parseInt(fontWeight);
+    let actualInstructions: string;
+    if (typeof instructions === 'function') {
+      const xp = .15;
+      const yp = .15 / deviceCellHeight * deviceCellWidth;
+      actualInstructions = instructions(xp, yp);
+    } else {
+      actualInstructions = instructions;
+    }
+    for (const instruction of actualInstructions.split(' ')) {
+      const type = instruction[0];
+      const f = svgToCanvasInstructionMap[type];
+      if (!f) {
+        console.error(`Could not find drawing instructions for "${type}"`);
+        continue;
+      }
+      const args: string[] = instruction.substring(1).split(',');
+      if (!args[0] || !args[1]) {
+        continue;
+      }
+      f(ctx, translateArgs(args, deviceCellWidth, deviceCellHeight, xOffset, yOffset, true, devicePixelRatio));
+    }
+    ctx.stroke();
+    ctx.closePath();
+  }
+}
+
+function drawPowerlineChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: IVectorShape,
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  fontSize: number,
+  devicePixelRatio: number
+): void {
+  // Clip the cell to make sure drawing doesn't occur beyond bounds
+  const clipRegion = new Path2D();
+  clipRegion.rect(xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+  ctx.clip(clipRegion);
+
+  ctx.beginPath();
+  // Scale the stroke with DPR and font size
+  const cssLineWidth = fontSize / 12;
+  ctx.lineWidth = devicePixelRatio * cssLineWidth;
+  for (const instruction of charDefinition.d.split(' ')) {
+    const type = instruction[0];
+    const f = svgToCanvasInstructionMap[type];
+    if (!f) {
+      console.error(`Could not find drawing instructions for "${type}"`);
+      continue;
+    }
+    const args: string[] = instruction.substring(1).split(',');
+    if (!args[0] || !args[1]) {
+      continue;
+    }
+    f(ctx, translateArgs(
+      args,
+      deviceCellWidth,
+      deviceCellHeight,
+      xOffset,
+      yOffset,
+      false,
+      devicePixelRatio,
+      (charDefinition.leftPadding ?? 0) * (cssLineWidth / 2),
+      (charDefinition.rightPadding ?? 0) * (cssLineWidth / 2)
+    ));
+  }
+  if (charDefinition.type === VectorType.STROKE) {
+    ctx.strokeStyle = ctx.fillStyle;
+    ctx.stroke();
+  } else {
+    ctx.fill();
+  }
+  ctx.closePath();
+}
+
+function clamp(value: number, max: number, min: number = 0): number {
+  return Math.max(Math.min(value, max), min);
+}
+
+const svgToCanvasInstructionMap: { [index: string]: any } = {
+  'C': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.bezierCurveTo(args[0], args[1], args[2], args[3], args[4], args[5]),
+  'L': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.lineTo(args[0], args[1]),
+  'M': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.moveTo(args[0], args[1])
+};
+
+function translateArgs(args: string[], cellWidth: number, cellHeight: number, xOffset: number, yOffset: number, doClamp: boolean, devicePixelRatio: number, leftPadding: number = 0, rightPadding: number = 0): number[] {
+  const result = args.map(e => parseFloat(e) || parseInt(e));
+
+  if (result.length < 2) {
+    throw new Error('Too few arguments for instruction');
+  }
+
+  for (let x = 0; x < result.length; x += 2) {
+    // Translate from 0-1 to 0-cellWidth
+    result[x] *= cellWidth - (leftPadding * devicePixelRatio) - (rightPadding * devicePixelRatio);
+    // Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
+    // line at 100% devicePixelRatio
+    if (doClamp && result[x] !== 0) {
+      result[x] = clamp(Math.round(result[x] + 0.5) - 0.5, cellWidth, 0);
+    }
+    // Apply the cell's offset (ie. x*cellWidth)
+    result[x] += xOffset + (leftPadding * devicePixelRatio);
+  }
+
+  for (let y = 1; y < result.length; y += 2) {
+    // Translate from 0-1 to 0-cellHeight
+    result[y] *= cellHeight;
+    // Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
+    // line at 100% devicePixelRatio
+    if (doClamp && result[y] !== 0) {
+      result[y] = clamp(Math.round(result[y] + 0.5) - 0.5, cellHeight, 0);
+    }
+    // Apply the cell's offset (ie. x*cellHeight)
+    result[y] += yOffset;
+  }
+
+  return result;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/DevicePixelObserver.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/DevicePixelObserver.ts
new file mode 100644
index 000000000..38d40eeaf
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/DevicePixelObserver.ts
@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+
+export function observeDevicePixelDimensions(element: HTMLElement, parentWindow: Window & typeof globalThis, callback: (deviceWidth: number, deviceHeight: number) => void): IDisposable {
+  // Observe any resizes to the element and extract the actual pixel size of the element if the
+  // devicePixelContentBoxSize API is supported. This allows correcting rounding errors when
+  // converting between CSS pixels and device pixels which causes blurry rendering when device
+  // pixel ratio is not a round number.
+  let observer: ResizeObserver | undefined = new parentWindow.ResizeObserver((entries) => {
+    const entry = entries.find((entry) => entry.target === element);
+    if (!entry) {
+      return;
+    }
+
+    // Disconnect if devicePixelContentBoxSize isn't supported by the browser
+    if (!('devicePixelContentBoxSize' in entry)) {
+      observer?.disconnect();
+      observer = undefined;
+      return;
+    }
+
+    // Fire the callback, ignore events where the dimensions are 0x0 as the canvas is likely hidden
+    const width = entry.devicePixelContentBoxSize[0].inlineSize;
+    const height = entry.devicePixelContentBoxSize[0].blockSize;
+    if (width > 0 && height > 0) {
+      callback(width, height);
+    }
+  });
+  try {
+    observer.observe(element, { box: ['device-pixel-content-box'] } as any);
+  } catch {
+    observer.disconnect();
+    observer = undefined;
+  }
+  return toDisposable(() => observer?.disconnect());
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/RendererUtils.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/RendererUtils.ts
new file mode 100644
index 000000000..010643648
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/RendererUtils.ts
@@ -0,0 +1,95 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDimensions, IRenderDimensions } from 'browser/renderer/shared/Types';
+
+export function throwIfFalsy<T>(value: T | undefined | null): T {
+  if (!value) {
+    throw new Error('value must not be falsy');
+  }
+  return value;
+}
+
+export function isPowerlineGlyph(codepoint: number): boolean {
+  // Only return true for Powerline symbols which require
+  // different padding and should be excluded from minimum contrast
+  // ratio standards
+  return 0xE0A4 <= codepoint && codepoint <= 0xE0D6;
+}
+
+export function isRestrictedPowerlineGlyph(codepoint: number): boolean {
+  return 0xE0B0 <= codepoint && codepoint <= 0xE0B7;
+}
+
+function isNerdFontGlyph(codepoint: number): boolean {
+  return 0xE000 <= codepoint && codepoint <= 0xF8FF;
+}
+
+function isBoxOrBlockGlyph(codepoint: number): boolean {
+  return 0x2500 <= codepoint && codepoint <= 0x259F;
+}
+
+export function isEmoji(codepoint: number): boolean {
+  return (
+    codepoint >= 0x1F600 && codepoint <= 0x1F64F || // Emoticons
+    codepoint >= 0x1F300 && codepoint <= 0x1F5FF || // Misc Symbols and Pictographs
+    codepoint >= 0x1F680 && codepoint <= 0x1F6FF || // Transport and Map
+    codepoint >= 0x2600  && codepoint <= 0x26FF  || // Misc symbols
+    codepoint >= 0x2700  && codepoint <= 0x27BF  || // Dingbats
+    codepoint >= 0xFE00  && codepoint <= 0xFE0F  || // Variation Selectors
+    codepoint >= 0x1F900 && codepoint <= 0x1F9FF || // Supplemental Symbols and Pictographs
+    codepoint >= 0x1F1E6 && codepoint <= 0x1F1FF
+  );
+}
+
+export function allowRescaling(codepoint: number | undefined, width: number, glyphSizeX: number, deviceCellWidth: number): boolean {
+  return (
+    // Is single cell width
+    width === 1 &&
+    // Glyph exceeds cell bounds, add 50% to avoid hurting readability by rescaling glyphs that
+    // barely overlap
+    glyphSizeX > Math.ceil(deviceCellWidth * 1.5) &&
+    // Never rescale ascii
+    codepoint !== undefined && codepoint > 0xFF &&
+    // Never rescale emoji
+    !isEmoji(codepoint) &&
+    // Never rescale powerline or nerd fonts
+    !isPowerlineGlyph(codepoint) && !isNerdFontGlyph(codepoint)
+  );
+}
+
+export function treatGlyphAsBackgroundColor(codepoint: number): boolean {
+  return isPowerlineGlyph(codepoint) || isBoxOrBlockGlyph(codepoint);
+}
+
+export function createRenderDimensions(): IRenderDimensions {
+  return {
+    css: {
+      canvas: createDimension(),
+      cell: createDimension()
+    },
+    device: {
+      canvas: createDimension(),
+      cell: createDimension(),
+      char: {
+        width: 0,
+        height: 0,
+        left: 0,
+        top: 0
+      }
+    }
+  };
+}
+
+function createDimension(): IDimensions {
+  return {
+    width: 0,
+    height: 0
+  };
+}
+
+export function computeNextVariantOffset(cellWidth: number, lineWidth: number, currentOffset: number = 0): number {
+  return (cellWidth - (Math.round(lineWidth) * 2 - currentOffset)) % (Math.round(lineWidth) * 2);
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/SelectionRenderModel.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/SelectionRenderModel.ts
new file mode 100644
index 000000000..d3b7a99c4
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/SelectionRenderModel.ts
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ITerminal } from 'browser/Types';
+import { ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { Terminal } from '@xterm/xterm';
+
+class SelectionRenderModel implements ISelectionRenderModel {
+  public hasSelection!: boolean;
+  public columnSelectMode!: boolean;
+  public viewportStartRow!: number;
+  public viewportEndRow!: number;
+  public viewportCappedStartRow!: number;
+  public viewportCappedEndRow!: number;
+  public startCol!: number;
+  public endCol!: number;
+  public selectionStart: [number, number] | undefined;
+  public selectionEnd: [number, number] | undefined;
+
+  constructor() {
+    this.clear();
+  }
+
+  public clear(): void {
+    this.hasSelection = false;
+    this.columnSelectMode = false;
+    this.viewportStartRow = 0;
+    this.viewportEndRow = 0;
+    this.viewportCappedStartRow = 0;
+    this.viewportCappedEndRow = 0;
+    this.startCol = 0;
+    this.endCol = 0;
+    this.selectionStart = undefined;
+    this.selectionEnd = undefined;
+  }
+
+  public update(terminal: ITerminal, start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean = false): void {
+    this.selectionStart = start;
+    this.selectionEnd = end;
+    // Selection does not exist
+    if (!start || !end || (start[0] === end[0] && start[1] === end[1])) {
+      this.clear();
+      return;
+    }
+
+    // Translate from buffer position to viewport position
+    const viewportY = terminal.buffers.active.ydisp;
+    const viewportStartRow = start[1] - viewportY;
+    const viewportEndRow = end[1] - viewportY;
+    const viewportCappedStartRow = Math.max(viewportStartRow, 0);
+    const viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);
+
+    // No need to draw the selection
+    if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {
+      this.clear();
+      return;
+    }
+
+    this.hasSelection = true;
+    this.columnSelectMode = columnSelectMode;
+    this.viewportStartRow = viewportStartRow;
+    this.viewportEndRow = viewportEndRow;
+    this.viewportCappedStartRow = viewportCappedStartRow;
+    this.viewportCappedEndRow = viewportCappedEndRow;
+    this.startCol = start[0];
+    this.endCol = end[0];
+  }
+
+  public isCellSelected(terminal: Terminal, x: number, y: number): boolean {
+    if (!this.hasSelection) {
+      return false;
+    }
+    y -= terminal.buffer.active.viewportY;
+    if (this.columnSelectMode) {
+      if (this.startCol <= this.endCol) {
+        return x >= this.startCol && y >= this.viewportCappedStartRow &&
+          x < this.endCol && y <= this.viewportCappedEndRow;
+      }
+      return x < this.startCol && y >= this.viewportCappedStartRow &&
+        x >= this.endCol && y <= this.viewportCappedEndRow;
+    }
+    return (y > this.viewportStartRow && y < this.viewportEndRow) ||
+      (this.viewportStartRow === this.viewportEndRow && y === this.viewportStartRow && x >= this.startCol && x < this.endCol) ||
+      (this.viewportStartRow < this.viewportEndRow && y === this.viewportEndRow && x < this.endCol) ||
+      (this.viewportStartRow < this.viewportEndRow && y === this.viewportStartRow && x >= this.startCol);
+  }
+}
+
+export function createSelectionRenderModel(): ISelectionRenderModel {
+  return new SelectionRenderModel();
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/TextureAtlas.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/TextureAtlas.ts
new file mode 100644
index 000000000..af2cafb8f
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/TextureAtlas.ts
@@ -0,0 +1,1100 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IColorContrastCache } from 'browser/Types';
+import { DIM_OPACITY, TEXT_BASELINE } from 'browser/renderer/shared/Constants';
+import { tryDrawCustomChar } from 'browser/renderer/shared/CustomGlyphs';
+import { computeNextVariantOffset, treatGlyphAsBackgroundColor, isPowerlineGlyph, isRestrictedPowerlineGlyph, throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
+import { IBoundingBox, ICharAtlasConfig, IRasterizedGlyph, ITextureAtlas } from 'browser/renderer/shared/Types';
+import { NULL_COLOR, channels, color, rgba } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { FourKeyMap } from 'common/MultiKeyMap';
+import { IdleTaskQueue } from 'common/TaskQueue';
+import { IColor } from 'common/Types';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { Attributes, DEFAULT_COLOR, DEFAULT_EXT, UnderlineStyle } from 'common/buffer/Constants';
+import { IUnicodeService } from 'common/services/Services';
+
+/**
+ * A shared object which is used to draw nothing for a particular cell.
+ */
+const NULL_RASTERIZED_GLYPH: IRasterizedGlyph = {
+  texturePage: 0,
+  texturePosition: { x: 0, y: 0 },
+  texturePositionClipSpace: { x: 0, y: 0 },
+  offset: { x: 0, y: 0 },
+  size: { x: 0, y: 0 },
+  sizeClipSpace: { x: 0, y: 0 }
+};
+
+const TMP_CANVAS_GLYPH_PADDING = 2;
+
+const enum Constants {
+  /**
+   * The amount of pixel padding to allow in each row. Setting this to zero would make the atlas
+   * page pack as tightly as possible, but more pages would end up being created as a result.
+   */
+  ROW_PIXEL_THRESHOLD = 2,
+  /**
+   * The maximum texture size regardless of what the actual hardware maximum turns out to be. This
+   * is enforced to ensure uploading the texture still finishes in a reasonable amount of time. A
+   * 4096 squared image takes up 16MB of GPU memory.
+   */
+  FORCED_MAX_TEXTURE_SIZE = 4096
+}
+
+interface ICharAtlasActiveRow {
+  x: number;
+  y: number;
+  height: number;
+}
+
+// Work variables to avoid garbage collection
+let $glyph = undefined;
+
+export class TextureAtlas implements ITextureAtlas {
+  private _didWarmUp: boolean = false;
+
+  private _cacheMap: FourKeyMap<number, number, number, number, IRasterizedGlyph> = new FourKeyMap();
+  private _cacheMapCombined: FourKeyMap<string, number, number, number, IRasterizedGlyph> = new FourKeyMap();
+
+  // The texture that the atlas is drawn to
+  private _pages: AtlasPage[] = [];
+  public get pages(): { canvas: HTMLCanvasElement, version: number }[] { return this._pages; }
+
+  // The set of atlas pages that can be written to
+  private _activePages: AtlasPage[] = [];
+
+  private _tmpCanvas: HTMLCanvasElement;
+  // A temporary context that glyphs are drawn to before being transfered to the atlas.
+  private _tmpCtx: CanvasRenderingContext2D;
+
+  private _workBoundingBox: IBoundingBox = { top: 0, left: 0, bottom: 0, right: 0 };
+  private _workAttributeData: AttributeData = new AttributeData();
+
+  private _textureSize: number = 512;
+
+  public static maxAtlasPages: number | undefined;
+  public static maxTextureSize: number | undefined;
+
+  private readonly _onAddTextureAtlasCanvas = new EventEmitter<HTMLCanvasElement>();
+  public readonly onAddTextureAtlasCanvas = this._onAddTextureAtlasCanvas.event;
+  private readonly _onRemoveTextureAtlasCanvas = new EventEmitter<HTMLCanvasElement>();
+  public readonly onRemoveTextureAtlasCanvas = this._onRemoveTextureAtlasCanvas.event;
+
+  constructor(
+    private readonly _document: Document,
+    private readonly _config: ICharAtlasConfig,
+    private readonly _unicodeService: IUnicodeService
+  ) {
+    this._createNewPage();
+    this._tmpCanvas = createCanvas(
+      _document,
+      this._config.deviceCellWidth * 4 + TMP_CANVAS_GLYPH_PADDING * 2,
+      this._config.deviceCellHeight + TMP_CANVAS_GLYPH_PADDING * 2
+    );
+    this._tmpCtx = throwIfFalsy(this._tmpCanvas.getContext('2d', {
+      alpha: this._config.allowTransparency,
+      willReadFrequently: true
+    }));
+  }
+
+  public dispose(): void {
+    for (const page of this.pages) {
+      page.canvas.remove();
+    }
+    this._onAddTextureAtlasCanvas.dispose();
+  }
+
+  public warmUp(): void {
+    if (!this._didWarmUp) {
+      this._doWarmUp();
+      this._didWarmUp = true;
+    }
+  }
+
+  private _doWarmUp(): void {
+    // Pre-fill with ASCII 33-126, this is not urgent and done in idle callbacks
+    const queue = new IdleTaskQueue();
+    for (let i = 33; i < 126; i++) {
+      queue.enqueue(() => {
+        if (!this._cacheMap.get(i, DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_EXT)) {
+          const rasterizedGlyph = this._drawToCache(i, DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_EXT);
+          this._cacheMap.set(i, DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_EXT, rasterizedGlyph);
+        }
+      });
+    }
+  }
+
+  private _requestClearModel = false;
+  public beginFrame(): boolean {
+    return this._requestClearModel;
+  }
+
+  public clearTexture(): void {
+    if (this._pages[0].currentRow.x === 0 && this._pages[0].currentRow.y === 0) {
+      return;
+    }
+    for (const page of this._pages) {
+      page.clear();
+    }
+    this._cacheMap.clear();
+    this._cacheMapCombined.clear();
+    this._didWarmUp = false;
+  }
+
+  private _createNewPage(): AtlasPage {
+    // Try merge the set of the 4 most used pages of the largest size. This is is deferred to a
+    // microtask to ensure it does not interrupt textures that will be rendered in the current
+    // animation frame which would result in blank rendered areas. This is actually not that
+    // expensive relative to drawing the glyphs, so there is no need to wait for an idle callback.
+    if (TextureAtlas.maxAtlasPages && this._pages.length >= Math.max(4, TextureAtlas.maxAtlasPages)) {
+      // Find the set of the largest 4 images, below the maximum size, with the highest
+      // percentages used
+      const pagesBySize = this._pages.filter(e => {
+        return e.canvas.width * 2 <= (TextureAtlas.maxTextureSize || Constants.FORCED_MAX_TEXTURE_SIZE);
+      }).sort((a, b) => {
+        if (b.canvas.width !== a.canvas.width) {
+          return b.canvas.width - a.canvas.width;
+        }
+        return b.percentageUsed - a.percentageUsed;
+      });
+      let sameSizeI = -1;
+      let size = 0;
+      for (let i = 0; i < pagesBySize.length; i++) {
+        if (pagesBySize[i].canvas.width !== size) {
+          sameSizeI = i;
+          size = pagesBySize[i].canvas.width;
+        } else if (i - sameSizeI === 3) {
+          break;
+        }
+      }
+
+      // Gather details of the merge
+      const mergingPages = pagesBySize.slice(sameSizeI, sameSizeI + 4);
+      const sortedMergingPagesIndexes = mergingPages.map(e => e.glyphs[0].texturePage).sort((a, b) => a > b ? 1 : -1);
+      const mergedPageIndex = this.pages.length - mergingPages.length;
+
+      // Merge into the new page
+      const mergedPage = this._mergePages(mergingPages, mergedPageIndex);
+      mergedPage.version++;
+
+      // Delete the pages, shifting glyph texture pages as needed
+      for (let i = sortedMergingPagesIndexes.length - 1; i >= 0; i--) {
+        this._deletePage(sortedMergingPagesIndexes[i]);
+      }
+
+      // Add the new merged page to the end
+      this.pages.push(mergedPage);
+
+      // Request the model to be cleared to refresh all texture pages.
+      this._requestClearModel = true;
+      this._onAddTextureAtlasCanvas.fire(mergedPage.canvas);
+    }
+
+    // All new atlas pages are created small as they are highly dynamic
+    const newPage = new AtlasPage(this._document, this._textureSize);
+    this._pages.push(newPage);
+    this._activePages.push(newPage);
+    this._onAddTextureAtlasCanvas.fire(newPage.canvas);
+    return newPage;
+  }
+
+  private _mergePages(mergingPages: AtlasPage[], mergedPageIndex: number): AtlasPage {
+    const mergedSize = mergingPages[0].canvas.width * 2;
+    const mergedPage = new AtlasPage(this._document, mergedSize, mergingPages);
+    for (const [i, p] of mergingPages.entries()) {
+      const xOffset = i * p.canvas.width % mergedSize;
+      const yOffset = Math.floor(i / 2) * p.canvas.height;
+      mergedPage.ctx.drawImage(p.canvas, xOffset, yOffset);
+      for (const g of p.glyphs) {
+        g.texturePage = mergedPageIndex;
+        g.sizeClipSpace.x = g.size.x / mergedSize;
+        g.sizeClipSpace.y = g.size.y / mergedSize;
+        g.texturePosition.x += xOffset;
+        g.texturePosition.y += yOffset;
+        g.texturePositionClipSpace.x = g.texturePosition.x / mergedSize;
+        g.texturePositionClipSpace.y = g.texturePosition.y / mergedSize;
+      }
+
+      this._onRemoveTextureAtlasCanvas.fire(p.canvas);
+
+      // Remove the merging page from active pages if it was there
+      const index = this._activePages.indexOf(p);
+      if (index !== -1) {
+        this._activePages.splice(index, 1);
+      }
+    }
+    return mergedPage;
+  }
+
+  private _deletePage(pageIndex: number): void {
+    this._pages.splice(pageIndex, 1);
+    for (let j = pageIndex; j < this._pages.length; j++) {
+      const adjustingPage = this._pages[j];
+      for (const g of adjustingPage.glyphs) {
+        g.texturePage--;
+      }
+      adjustingPage.version++;
+    }
+  }
+
+  public getRasterizedGlyphCombinedChar(chars: string, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph {
+    return this._getFromCacheMap(this._cacheMapCombined, chars, bg, fg, ext, restrictToCellHeight);
+  }
+
+  public getRasterizedGlyph(code: number, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph {
+    return this._getFromCacheMap(this._cacheMap, code, bg, fg, ext, restrictToCellHeight);
+  }
+
+  /**
+   * Gets the glyphs texture coords, drawing the texture if it's not already
+   */
+  private _getFromCacheMap(
+    cacheMap: FourKeyMap<string | number, number, number, number, IRasterizedGlyph>,
+    key: string | number,
+    bg: number,
+    fg: number,
+    ext: number,
+    restrictToCellHeight: boolean = false
+  ): IRasterizedGlyph {
+    $glyph = cacheMap.get(key, bg, fg, ext);
+    if (!$glyph) {
+      $glyph = this._drawToCache(key, bg, fg, ext, restrictToCellHeight);
+      cacheMap.set(key, bg, fg, ext, $glyph);
+    }
+    return $glyph;
+  }
+
+  private _getColorFromAnsiIndex(idx: number): IColor {
+    if (idx >= this._config.colors.ansi.length) {
+      throw new Error('No color found for idx ' + idx);
+    }
+    return this._config.colors.ansi[idx];
+  }
+
+  private _getBackgroundColor(bgColorMode: number, bgColor: number, inverse: boolean, dim: boolean): IColor {
+    if (this._config.allowTransparency) {
+      // The background color might have some transparency, so we need to render it as fully
+      // transparent in the atlas. Otherwise we'd end up drawing the transparent background twice
+      // around the anti-aliased edges of the glyph, and it would look too dark.
+      return NULL_COLOR;
+    }
+
+    let result: IColor;
+    switch (bgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        result = this._getColorFromAnsiIndex(bgColor);
+        break;
+      case Attributes.CM_RGB:
+        const arr = AttributeData.toColorRGB(bgColor);
+        result = channels.toColor(arr[0], arr[1], arr[2]);
+        break;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          result = color.opaque(this._config.colors.foreground);
+        } else {
+          result = this._config.colors.background;
+        }
+        break;
+    }
+
+    return result;
+  }
+
+  private _getForegroundColor(bg: number, bgColorMode: number, bgColor: number, fg: number, fgColorMode: number, fgColor: number, inverse: boolean, dim: boolean, bold: boolean, excludeFromContrastRatioDemands: boolean): IColor {
+    const minimumContrastColor = this._getMinimumContrastColor(bg, bgColorMode, bgColor, fg, fgColorMode, fgColor, inverse, bold, dim, excludeFromContrastRatioDemands);
+    if (minimumContrastColor) {
+      return minimumContrastColor;
+    }
+
+    let result: IColor;
+    switch (fgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        if (this._config.drawBoldTextInBrightColors && bold && fgColor < 8) {
+          fgColor += 8;
+        }
+        result = this._getColorFromAnsiIndex(fgColor);
+        break;
+      case Attributes.CM_RGB:
+        const arr = AttributeData.toColorRGB(fgColor);
+        result = channels.toColor(arr[0], arr[1], arr[2]);
+        break;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          result = this._config.colors.background;
+        } else {
+          result = this._config.colors.foreground;
+        }
+    }
+
+    // Always use an opaque color regardless of allowTransparency
+    if (this._config.allowTransparency) {
+      result = color.opaque(result);
+    }
+
+    // Apply dim to the color, opacity is fine to use for the foreground color
+    if (dim) {
+      result = color.multiplyOpacity(result, DIM_OPACITY);
+    }
+
+    return result;
+  }
+
+  private _resolveBackgroundRgba(bgColorMode: number, bgColor: number, inverse: boolean): number {
+    switch (bgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        return this._getColorFromAnsiIndex(bgColor).rgba;
+      case Attributes.CM_RGB:
+        return bgColor << 8;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          return this._config.colors.foreground.rgba;
+        }
+        return this._config.colors.background.rgba;
+    }
+  }
+
+  private _resolveForegroundRgba(fgColorMode: number, fgColor: number, inverse: boolean, bold: boolean): number {
+    switch (fgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        if (this._config.drawBoldTextInBrightColors && bold && fgColor < 8) {
+          fgColor += 8;
+        }
+        return this._getColorFromAnsiIndex(fgColor).rgba;
+      case Attributes.CM_RGB:
+        return fgColor << 8;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          return this._config.colors.background.rgba;
+        }
+        return this._config.colors.foreground.rgba;
+    }
+  }
+
+  private _getMinimumContrastColor(bg: number, bgColorMode: number, bgColor: number, fg: number, fgColorMode: number, fgColor: number, inverse: boolean, bold: boolean, dim: boolean, excludeFromContrastRatioDemands: boolean): IColor | undefined {
+    if (this._config.minimumContrastRatio === 1 || excludeFromContrastRatioDemands) {
+      return undefined;
+    }
+
+    // Try get from cache first
+    const cache = this._getContrastCache(dim);
+    const adjustedColor = cache.getColor(bg, fg);
+    if (adjustedColor !== undefined) {
+      return adjustedColor || undefined;
+    }
+
+    const bgRgba = this._resolveBackgroundRgba(bgColorMode, bgColor, inverse);
+    const fgRgba = this._resolveForegroundRgba(fgColorMode, fgColor, inverse, bold);
+    // Dim cells only require half the contrast, otherwise they wouldn't be distinguishable from
+    // non-dim cells
+    const result = rgba.ensureContrastRatio(bgRgba, fgRgba, this._config.minimumContrastRatio / (dim ? 2 : 1));
+
+    if (!result) {
+      cache.setColor(bg, fg, null);
+      return undefined;
+    }
+
+    const color = channels.toColor(
+      (result >> 24) & 0xFF,
+      (result >> 16) & 0xFF,
+      (result >> 8) & 0xFF
+    );
+    cache.setColor(bg, fg, color);
+
+    return color;
+  }
+
+  private _getContrastCache(dim: boolean): IColorContrastCache {
+    if (dim) {
+      return this._config.colors.halfContrastCache;
+    }
+    return this._config.colors.contrastCache;
+  }
+
+  private _drawToCache(codeOrChars: number | string, bg: number, fg: number, ext: number, restrictToCellHeight: boolean = false): IRasterizedGlyph {
+    const chars = typeof codeOrChars === 'number' ? String.fromCharCode(codeOrChars) : codeOrChars;
+
+    // Uncomment for debugging
+    // console.log(`draw to cache "${chars}"`, bg, fg, ext);
+
+    // Allow 1 cell width per character, with a minimum of 2 (CJK), plus some padding. This is used
+    // to draw the glyph to the canvas as well as to restrict the bounding box search to ensure
+    // giant ligatures (eg. =====>) don't impact overall performance.
+    const allowedWidth = Math.min(this._config.deviceCellWidth * Math.max(chars.length, 2) + TMP_CANVAS_GLYPH_PADDING * 2, this._textureSize);
+    if (this._tmpCanvas.width < allowedWidth) {
+      this._tmpCanvas.width = allowedWidth;
+    }
+    // Include line height when drawing glyphs
+    const allowedHeight = Math.min(this._config.deviceCellHeight + TMP_CANVAS_GLYPH_PADDING * 4, this._textureSize);
+    if (this._tmpCanvas.height < allowedHeight) {
+      this._tmpCanvas.height = allowedHeight;
+    }
+    this._tmpCtx.save();
+
+    this._workAttributeData.fg = fg;
+    this._workAttributeData.bg = bg;
+    this._workAttributeData.extended.ext = ext;
+
+    const invisible = !!this._workAttributeData.isInvisible();
+    if (invisible) {
+      return NULL_RASTERIZED_GLYPH;
+    }
+
+    const bold = !!this._workAttributeData.isBold();
+    const inverse = !!this._workAttributeData.isInverse();
+    const dim = !!this._workAttributeData.isDim();
+    const italic = !!this._workAttributeData.isItalic();
+    const underline = !!this._workAttributeData.isUnderline();
+    const strikethrough = !!this._workAttributeData.isStrikethrough();
+    const overline = !!this._workAttributeData.isOverline();
+    let fgColor = this._workAttributeData.getFgColor();
+    let fgColorMode = this._workAttributeData.getFgColorMode();
+    let bgColor = this._workAttributeData.getBgColor();
+    let bgColorMode = this._workAttributeData.getBgColorMode();
+    if (inverse) {
+      const temp = fgColor;
+      fgColor = bgColor;
+      bgColor = temp;
+      const temp2 = fgColorMode;
+      fgColorMode = bgColorMode;
+      bgColorMode = temp2;
+    }
+
+    // draw the background
+    const backgroundColor = this._getBackgroundColor(bgColorMode, bgColor, inverse, dim);
+    // Use a 'copy' composite operation to clear any existing glyph out of _tmpCtxWithAlpha,
+    // regardless of transparency in backgroundColor
+    this._tmpCtx.globalCompositeOperation = 'copy';
+    this._tmpCtx.fillStyle = backgroundColor.css;
+    this._tmpCtx.fillRect(0, 0, this._tmpCanvas.width, this._tmpCanvas.height);
+    this._tmpCtx.globalCompositeOperation = 'source-over';
+
+    // draw the foreground/glyph
+    const fontWeight = bold ? this._config.fontWeightBold : this._config.fontWeight;
+    const fontStyle = italic ? 'italic' : '';
+    this._tmpCtx.font =
+      `${fontStyle} ${fontWeight} ${this._config.fontSize * this._config.devicePixelRatio}px ${this._config.fontFamily}`;
+    this._tmpCtx.textBaseline = TEXT_BASELINE;
+
+    const powerlineGlyph = chars.length === 1 && isPowerlineGlyph(chars.charCodeAt(0));
+    const restrictedPowerlineGlyph = chars.length === 1 && isRestrictedPowerlineGlyph(chars.charCodeAt(0));
+    const foregroundColor = this._getForegroundColor(bg, bgColorMode, bgColor, fg, fgColorMode, fgColor, inverse, dim, bold, treatGlyphAsBackgroundColor(chars.charCodeAt(0)));
+    this._tmpCtx.fillStyle = foregroundColor.css;
+
+    // For powerline glyphs left/top padding is excluded (https://github.com/microsoft/vscode/issues/120129)
+    const padding = restrictedPowerlineGlyph ? 0 : TMP_CANVAS_GLYPH_PADDING * 2;
+
+    // Draw custom characters if applicable
+    let customGlyph = false;
+    if (this._config.customGlyphs !== false) {
+      customGlyph = tryDrawCustomChar(this._tmpCtx, chars, padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight, this._config.fontSize, this._config.devicePixelRatio);
+    }
+
+    // Whether to clear pixels based on a threshold difference between the glyph color and the
+    // background color. This should be disabled when the glyph contains multiple colors such as
+    // underline colors to prevent important colors could get cleared.
+    let enableClearThresholdCheck = !powerlineGlyph;
+
+    let chWidth: number;
+    if (typeof codeOrChars === 'number') {
+      chWidth = this._unicodeService.wcwidth(codeOrChars);
+    } else {
+      chWidth = this._unicodeService.getStringCellWidth(codeOrChars);
+    }
+
+    // Draw underline
+    if (underline) {
+      this._tmpCtx.save();
+      const lineWidth = Math.max(1, Math.floor(this._config.fontSize * this._config.devicePixelRatio / 15));
+      // When the line width is odd, draw at a 0.5 position
+      const yOffset = lineWidth % 2 === 1 ? 0.5 : 0;
+      this._tmpCtx.lineWidth = lineWidth;
+
+      // Underline color
+      if (this._workAttributeData.isUnderlineColorDefault()) {
+        this._tmpCtx.strokeStyle = this._tmpCtx.fillStyle;
+      } else if (this._workAttributeData.isUnderlineColorRGB()) {
+        enableClearThresholdCheck = false;
+        this._tmpCtx.strokeStyle = `rgb(${AttributeData.toColorRGB(this._workAttributeData.getUnderlineColor()).join(',')})`;
+      } else {
+        enableClearThresholdCheck = false;
+        let fg = this._workAttributeData.getUnderlineColor();
+        if (this._config.drawBoldTextInBrightColors && this._workAttributeData.isBold() && fg < 8) {
+          fg += 8;
+        }
+        this._tmpCtx.strokeStyle = this._getColorFromAnsiIndex(fg).css;
+      }
+
+      // Underline style/stroke
+      this._tmpCtx.beginPath();
+      const xLeft = padding;
+      const yTop = Math.ceil(padding + this._config.deviceCharHeight) - yOffset - (restrictToCellHeight ? lineWidth * 2 : 0);
+      const yMid = yTop + lineWidth;
+      const yBot = yTop + lineWidth * 2;
+      let nextOffset = this._workAttributeData.getUnderlineVariantOffset();
+
+      for (let i = 0; i < chWidth; i++) {
+        this._tmpCtx.save();
+        const xChLeft = xLeft + i * this._config.deviceCellWidth;
+        const xChRight = xLeft + (i + 1) * this._config.deviceCellWidth;
+        const xChMid = xChLeft + this._config.deviceCellWidth / 2;
+        switch (this._workAttributeData.extended.underlineStyle) {
+          case UnderlineStyle.DOUBLE:
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            this._tmpCtx.moveTo(xChLeft, yBot);
+            this._tmpCtx.lineTo(xChRight, yBot);
+            break;
+          case UnderlineStyle.CURLY:
+            // Choose the bezier top and bottom based on the device pixel ratio, the curly line is
+            // made taller when the line width is  as otherwise it's not very clear otherwise.
+            const yCurlyBot = lineWidth <= 1 ? yBot : Math.ceil(padding + this._config.deviceCharHeight - lineWidth / 2) - yOffset;
+            const yCurlyTop = lineWidth <= 1 ? yTop : Math.ceil(padding + this._config.deviceCharHeight + lineWidth / 2) - yOffset;
+            // Clip the left and right edges of the underline such that it can be drawn just outside
+            // the edge of the cell to ensure a continuous stroke when there are multiple underlined
+            // glyphs adjacent to one another.
+            const clipRegion = new Path2D();
+            clipRegion.rect(xChLeft, yTop, this._config.deviceCellWidth, yBot - yTop);
+            this._tmpCtx.clip(clipRegion);
+            // Start 1/2 cell before and end 1/2 cells after to ensure a smooth curve with other
+            // cells
+            this._tmpCtx.moveTo(xChLeft - this._config.deviceCellWidth / 2, yMid);
+            this._tmpCtx.bezierCurveTo(
+              xChLeft - this._config.deviceCellWidth / 2, yCurlyTop,
+              xChLeft, yCurlyTop,
+              xChLeft, yMid
+            );
+            this._tmpCtx.bezierCurveTo(
+              xChLeft, yCurlyBot,
+              xChMid, yCurlyBot,
+              xChMid, yMid
+            );
+            this._tmpCtx.bezierCurveTo(
+              xChMid, yCurlyTop,
+              xChRight, yCurlyTop,
+              xChRight, yMid
+            );
+            this._tmpCtx.bezierCurveTo(
+              xChRight, yCurlyBot,
+              xChRight + this._config.deviceCellWidth / 2, yCurlyBot,
+              xChRight + this._config.deviceCellWidth / 2, yMid
+            );
+            break;
+          case UnderlineStyle.DOTTED:
+            const offsetWidth = nextOffset === 0 ? 0 :
+              (nextOffset >= lineWidth ? lineWidth * 2 - nextOffset : lineWidth - nextOffset);
+              // a line and a gap.
+            const isLineStart = nextOffset >= lineWidth ? false : true;
+            if (isLineStart === false || offsetWidth === 0) {
+              this._tmpCtx.setLineDash([Math.round(lineWidth), Math.round(lineWidth)]);
+              this._tmpCtx.moveTo(xChLeft + offsetWidth, yTop);
+              this._tmpCtx.lineTo(xChRight, yTop);
+            } else {
+              this._tmpCtx.setLineDash([Math.round(lineWidth), Math.round(lineWidth)]);
+              this._tmpCtx.moveTo(xChLeft, yTop);
+              this._tmpCtx.lineTo(xChLeft + offsetWidth, yTop);
+              this._tmpCtx.moveTo(xChLeft + offsetWidth + lineWidth, yTop);
+              this._tmpCtx.lineTo(xChRight, yTop);
+            }
+            nextOffset = computeNextVariantOffset(xChRight - xChLeft, lineWidth, nextOffset);
+            break;
+          case UnderlineStyle.DASHED:
+            const lineRatio = 0.6;
+            const gapRatio = 0.3;
+            // End line ratio is approximately equal to 0.1
+            const xChWidth = xChRight - xChLeft;
+            const line = Math.floor(lineRatio * xChWidth);
+            const gap = Math.floor(gapRatio * xChWidth);
+            const end = xChWidth - line - gap;
+            this._tmpCtx.setLineDash([line, gap, end]);
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            break;
+          case UnderlineStyle.SINGLE:
+          default:
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            break;
+        }
+        this._tmpCtx.stroke();
+        this._tmpCtx.restore();
+      }
+      this._tmpCtx.restore();
+
+      // Draw stroke in the background color for non custom characters in order to give an outline
+      // between the text and the underline. Only do this when font size is >= 12 as the underline
+      // looks odd when the font size is too small
+      if (!customGlyph && this._config.fontSize >= 12) {
+        // This only works when transparency is disabled because it's not clear how to clear stroked
+        // text
+        if (!this._config.allowTransparency && chars !== ' ') {
+          // Measure the text, only draw the stroke if there is a descent beyond an alphabetic text
+          // baseline
+          this._tmpCtx.save();
+          this._tmpCtx.textBaseline = 'alphabetic';
+          const metrics = this._tmpCtx.measureText(chars);
+          this._tmpCtx.restore();
+          if ('actualBoundingBoxDescent' in metrics && metrics.actualBoundingBoxDescent > 0) {
+            // This translates to 1/2 the line width in either direction
+            this._tmpCtx.save();
+            // Clip the region to only draw in valid pixels near the underline to avoid a slight
+            // outline around the whole glyph, as well as additional pixels in the glyph at the top
+            // which would increase GPU memory demands
+            const clipRegion = new Path2D();
+            clipRegion.rect(xLeft, yTop - Math.ceil(lineWidth / 2), this._config.deviceCellWidth * chWidth, yBot - yTop + Math.ceil(lineWidth / 2));
+            this._tmpCtx.clip(clipRegion);
+            this._tmpCtx.lineWidth = this._config.devicePixelRatio * 3;
+            this._tmpCtx.strokeStyle = backgroundColor.css;
+            this._tmpCtx.strokeText(chars, padding, padding + this._config.deviceCharHeight);
+            this._tmpCtx.restore();
+          }
+        }
+      }
+    }
+
+    // Overline
+    if (overline) {
+      const lineWidth = Math.max(1, Math.floor(this._config.fontSize * this._config.devicePixelRatio / 15));
+      const yOffset = lineWidth % 2 === 1 ? 0.5 : 0;
+      this._tmpCtx.lineWidth = lineWidth;
+      this._tmpCtx.strokeStyle = this._tmpCtx.fillStyle;
+      this._tmpCtx.beginPath();
+      this._tmpCtx.moveTo(padding, padding + yOffset);
+      this._tmpCtx.lineTo(padding + this._config.deviceCharWidth * chWidth, padding + yOffset);
+      this._tmpCtx.stroke();
+    }
+
+    // Draw the character
+    if (!customGlyph) {
+      this._tmpCtx.fillText(chars, padding, padding + this._config.deviceCharHeight);
+    }
+
+    // If this character is underscore and beyond the cell bounds, shift it up until it is visible
+    // even on the bottom row, try for a maximum of 5 pixels.
+    if (chars === '_' && !this._config.allowTransparency) {
+      let isBeyondCellBounds = clearColor(this._tmpCtx.getImageData(padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight), backgroundColor, foregroundColor, enableClearThresholdCheck);
+      if (isBeyondCellBounds) {
+        for (let offset = 1; offset <= 5; offset++) {
+          this._tmpCtx.save();
+          this._tmpCtx.fillStyle = backgroundColor.css;
+          this._tmpCtx.fillRect(0, 0, this._tmpCanvas.width, this._tmpCanvas.height);
+          this._tmpCtx.restore();
+          this._tmpCtx.fillText(chars, padding, padding + this._config.deviceCharHeight - offset);
+          isBeyondCellBounds = clearColor(this._tmpCtx.getImageData(padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight), backgroundColor, foregroundColor, enableClearThresholdCheck);
+          if (!isBeyondCellBounds) {
+            break;
+          }
+        }
+      }
+    }
+
+    // Draw strokethrough
+    if (strikethrough) {
+      const lineWidth = Math.max(1, Math.floor(this._config.fontSize * this._config.devicePixelRatio / 10));
+      const yOffset = this._tmpCtx.lineWidth % 2 === 1 ? 0.5 : 0; // When the width is odd, draw at 0.5 position
+      this._tmpCtx.lineWidth = lineWidth;
+      this._tmpCtx.strokeStyle = this._tmpCtx.fillStyle;
+      this._tmpCtx.beginPath();
+      this._tmpCtx.moveTo(padding, padding + Math.floor(this._config.deviceCharHeight / 2) - yOffset);
+      this._tmpCtx.lineTo(padding + this._config.deviceCharWidth * chWidth, padding + Math.floor(this._config.deviceCharHeight / 2) - yOffset);
+      this._tmpCtx.stroke();
+    }
+
+    this._tmpCtx.restore();
+
+    // clear the background from the character to avoid issues with drawing over the previous
+    // character if it extends past it's bounds
+    const imageData = this._tmpCtx.getImageData(
+      0, 0, this._tmpCanvas.width, this._tmpCanvas.height
+    );
+
+    // Clear out the background color and determine if the glyph is empty.
+    let isEmpty: boolean;
+    if (!this._config.allowTransparency) {
+      isEmpty = clearColor(imageData, backgroundColor, foregroundColor, enableClearThresholdCheck);
+    } else {
+      isEmpty = checkCompletelyTransparent(imageData);
+    }
+
+    // Handle empty glyphs
+    if (isEmpty) {
+      return NULL_RASTERIZED_GLYPH;
+    }
+
+    const rasterizedGlyph = this._findGlyphBoundingBox(imageData, this._workBoundingBox, allowedWidth, restrictedPowerlineGlyph, customGlyph, padding);
+
+    // Find the best atlas row to use
+    let activePage: AtlasPage;
+    let activeRow: ICharAtlasActiveRow;
+    while (true) {
+      // If there are no active pages (the last smallest 4 were merged), create a new one
+      if (this._activePages.length === 0) {
+        const newPage = this._createNewPage();
+        activePage = newPage;
+        activeRow = newPage.currentRow;
+        activeRow.height = rasterizedGlyph.size.y;
+        break;
+      }
+
+      // Get the best current row from all active pages
+      activePage = this._activePages[this._activePages.length - 1];
+      activeRow = activePage.currentRow;
+      for (const p of this._activePages) {
+        if (rasterizedGlyph.size.y <= p.currentRow.height) {
+          activePage = p;
+          activeRow = p.currentRow;
+        }
+      }
+
+      // TODO: This algorithm could be simplified:
+      // - Search for the page with ROW_PIXEL_THRESHOLD in mind
+      // - Keep track of current/fixed rows in a Map
+
+      // Replace the best current row with a fixed row if there is one at least as good as the
+      // current row. Search in reverse to prioritize filling in older pages.
+      for (let i = this._activePages.length - 1; i >= 0; i--) {
+        for (const row of this._activePages[i].fixedRows) {
+          if (row.height <= activeRow.height && rasterizedGlyph.size.y <= row.height) {
+            activePage = this._activePages[i];
+            activeRow = row;
+          }
+        }
+      }
+
+      // Create a new page if too much vertical space would be wasted or there is not enough room
+      // left in the page. The previous active row will become fixed in the process as it now has a
+      // fixed height
+      if (activeRow.y + rasterizedGlyph.size.y >= activePage.canvas.height || activeRow.height > rasterizedGlyph.size.y + Constants.ROW_PIXEL_THRESHOLD) {
+        // Create the new fixed height row, creating a new page if there isn't enough room on the
+        // current page
+        let wasPageAndRowFound = false;
+        if (activePage.currentRow.y + activePage.currentRow.height + rasterizedGlyph.size.y >= activePage.canvas.height) {
+          // Find the first page with room to create the new row on
+          let candidatePage: AtlasPage | undefined;
+          for (const p of this._activePages) {
+            if (p.currentRow.y + p.currentRow.height + rasterizedGlyph.size.y < p.canvas.height) {
+              candidatePage = p;
+              break;
+            }
+          }
+          if (candidatePage) {
+            activePage = candidatePage;
+          } else {
+            // Before creating a new atlas page that would trigger a page merge, check if the
+            // current active row is sufficient when ignoring the ROW_PIXEL_THRESHOLD. This will
+            // improve texture utilization by using the available space before the page is merged
+            // and becomes static.
+            if (
+              TextureAtlas.maxAtlasPages &&
+              this._pages.length >= TextureAtlas.maxAtlasPages &&
+              activeRow.y + rasterizedGlyph.size.y <= activePage.canvas.height &&
+              activeRow.height >= rasterizedGlyph.size.y &&
+              activeRow.x + rasterizedGlyph.size.x <= activePage.canvas.width
+            ) {
+              // activePage and activeRow is already valid
+              wasPageAndRowFound = true;
+            } else {
+              // Create a new page if there is no room
+              const newPage = this._createNewPage();
+              activePage = newPage;
+              activeRow = newPage.currentRow;
+              activeRow.height = rasterizedGlyph.size.y;
+              wasPageAndRowFound = true;
+            }
+          }
+        }
+        if (!wasPageAndRowFound) {
+          // Fix the current row as the new row is being added below
+          if (activePage.currentRow.height > 0) {
+            activePage.fixedRows.push(activePage.currentRow);
+          }
+          activeRow = {
+            x: 0,
+            y: activePage.currentRow.y + activePage.currentRow.height,
+            height: rasterizedGlyph.size.y
+          };
+          activePage.fixedRows.push(activeRow);
+
+          // Create the new current row below the new fixed height row
+          activePage.currentRow = {
+            x: 0,
+            y: activeRow.y + activeRow.height,
+            height: 0
+          };
+        }
+        // TODO: Remove pages from _activePages when all rows are filled
+      }
+
+      // Exit the loop if there is enough room in the row
+      if (activeRow.x + rasterizedGlyph.size.x <= activePage.canvas.width) {
+        break;
+      }
+
+      // If there is not enough room in the current row, finish it and try again
+      if (activeRow === activePage.currentRow) {
+        activeRow.x = 0;
+        activeRow.y += activeRow.height;
+        activeRow.height = 0;
+      } else {
+        activePage.fixedRows.splice(activePage.fixedRows.indexOf(activeRow), 1);
+      }
+    }
+
+    // Record texture position
+    rasterizedGlyph.texturePage = this._pages.indexOf(activePage);
+    rasterizedGlyph.texturePosition.x = activeRow.x;
+    rasterizedGlyph.texturePosition.y = activeRow.y;
+    rasterizedGlyph.texturePositionClipSpace.x = activeRow.x / activePage.canvas.width;
+    rasterizedGlyph.texturePositionClipSpace.y = activeRow.y / activePage.canvas.height;
+
+    // Fix the clipspace position as pages may be of differing size
+    rasterizedGlyph.sizeClipSpace.x /= activePage.canvas.width;
+    rasterizedGlyph.sizeClipSpace.y /= activePage.canvas.height;
+
+    // Update atlas current row, for fixed rows the glyph height will never be larger than the row
+    // height
+    activeRow.height = Math.max(activeRow.height, rasterizedGlyph.size.y);
+    activeRow.x += rasterizedGlyph.size.x;
+
+    // putImageData doesn't do any blending, so it will overwrite any existing cache entry for us
+    activePage.ctx.putImageData(
+      imageData,
+      rasterizedGlyph.texturePosition.x - this._workBoundingBox.left,
+      rasterizedGlyph.texturePosition.y - this._workBoundingBox.top,
+      this._workBoundingBox.left,
+      this._workBoundingBox.top,
+      rasterizedGlyph.size.x,
+      rasterizedGlyph.size.y
+    );
+    activePage.addGlyph(rasterizedGlyph);
+    activePage.version++;
+
+    return rasterizedGlyph;
+  }
+
+  /**
+   * Given an ImageData object, find the bounding box of the non-transparent
+   * portion of the texture and return an IRasterizedGlyph with these
+   * dimensions.
+   * @param imageData The image data to read.
+   * @param boundingBox An IBoundingBox to put the clipped bounding box values.
+   */
+  private _findGlyphBoundingBox(imageData: ImageData, boundingBox: IBoundingBox, allowedWidth: number, restrictedGlyph: boolean, customGlyph: boolean, padding: number): IRasterizedGlyph {
+    boundingBox.top = 0;
+    const height = restrictedGlyph ? this._config.deviceCellHeight : this._tmpCanvas.height;
+    const width = restrictedGlyph ? this._config.deviceCellWidth : allowedWidth;
+    let found = false;
+    for (let y = 0; y < height; y++) {
+      for (let x = 0; x < width; x++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.top = y;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    boundingBox.left = 0;
+    found = false;
+    for (let x = 0; x < padding + width; x++) {
+      for (let y = 0; y < height; y++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.left = x;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    boundingBox.right = width;
+    found = false;
+    for (let x = padding + width - 1; x >= padding; x--) {
+      for (let y = 0; y < height; y++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.right = x;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    boundingBox.bottom = height;
+    found = false;
+    for (let y = height - 1; y >= 0; y--) {
+      for (let x = 0; x < width; x++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.bottom = y;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    return {
+      texturePage: 0,
+      texturePosition: { x: 0, y: 0 },
+      texturePositionClipSpace: { x: 0, y: 0 },
+      size: {
+        x: boundingBox.right - boundingBox.left + 1,
+        y: boundingBox.bottom - boundingBox.top + 1
+      },
+      sizeClipSpace: {
+        x: (boundingBox.right - boundingBox.left + 1),
+        y: (boundingBox.bottom - boundingBox.top + 1)
+      },
+      offset: {
+        x: -boundingBox.left + padding + ((restrictedGlyph || customGlyph) ? Math.floor((this._config.deviceCellWidth - this._config.deviceCharWidth) / 2) : 0),
+        y: -boundingBox.top + padding + ((restrictedGlyph || customGlyph) ? this._config.lineHeight === 1 ? 0 : Math.round((this._config.deviceCellHeight - this._config.deviceCharHeight) / 2) : 0)
+      }
+    };
+  }
+}
+
+class AtlasPage {
+  public readonly canvas: HTMLCanvasElement;
+  public readonly ctx: CanvasRenderingContext2D;
+
+  private _usedPixels: number = 0;
+  public get percentageUsed(): number { return this._usedPixels / (this.canvas.width * this.canvas.height); }
+
+  private readonly _glyphs: IRasterizedGlyph[] = [];
+  public get glyphs(): ReadonlyArray<IRasterizedGlyph> { return this._glyphs; }
+  public addGlyph(glyph: IRasterizedGlyph): void {
+    this._glyphs.push(glyph);
+    this._usedPixels += glyph.size.x * glyph.size.y;
+  }
+
+  /**
+   * Used to check whether the canvas of the atlas page has changed.
+   */
+  public version = 0;
+
+  // Texture atlas current positioning data. The texture packing strategy used is to fill from
+  // left-to-right and top-to-bottom. When the glyph being written is less than half of the current
+  // row's height, the following happens:
+  //
+  // - The current row becomes the fixed height row A
+  // - A new fixed height row B the exact size of the glyph is created below the current row
+  // - A new dynamic height current row is created below B
+  //
+  // This strategy does a good job preventing space being wasted for very short glyphs such as
+  // underscores, hyphens etc. or those with underlines rendered.
+  public currentRow: ICharAtlasActiveRow = {
+    x: 0,
+    y: 0,
+    height: 0
+  };
+  public readonly fixedRows: ICharAtlasActiveRow[] = [];
+
+  constructor(
+    document: Document,
+    size: number,
+    sourcePages?: AtlasPage[]
+  ) {
+    if (sourcePages) {
+      for (const p of sourcePages) {
+        this._glyphs.push(...p.glyphs);
+        this._usedPixels += p._usedPixels;
+      }
+    }
+    this.canvas = createCanvas(document, size, size);
+    // The canvas needs alpha because we use clearColor to convert the background color to alpha.
+    // It might also contain some characters with transparent backgrounds if allowTransparency is
+    // set.
+    this.ctx = throwIfFalsy(this.canvas.getContext('2d', { alpha: true }));
+  }
+
+  public clear(): void {
+    this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
+    this.currentRow.x = 0;
+    this.currentRow.y = 0;
+    this.currentRow.height = 0;
+    this.fixedRows.length = 0;
+    this.version++;
+  }
+}
+
+/**
+ * Makes a particular rgb color and colors that are nearly the same in an ImageData completely
+ * transparent.
+ * @returns True if the result is "empty", meaning all pixels are fully transparent.
+ */
+function clearColor(imageData: ImageData, bg: IColor, fg: IColor, enableThresholdCheck: boolean): boolean {
+  // Get color channels
+  const r = bg.rgba >>> 24;
+  const g = bg.rgba >>> 16 & 0xFF;
+  const b = bg.rgba >>> 8 & 0xFF;
+  const fgR = fg.rgba >>> 24;
+  const fgG = fg.rgba >>> 16 & 0xFF;
+  const fgB = fg.rgba >>> 8 & 0xFF;
+
+  // Calculate a threshold that when below a color will be treated as transpart when the sum of
+  // channel value differs. This helps improve rendering when glyphs overlap with others. This
+  // threshold is calculated relative to the difference between the background and foreground to
+  // ensure important details of the glyph are always shown, even when the contrast ratio is low.
+  // The number 12 is largely arbitrary to ensure the pixels that escape the cell in the test case
+  // were covered (fg=#8ae234, bg=#c4a000).
+  const threshold = Math.floor((Math.abs(r - fgR) + Math.abs(g - fgG) + Math.abs(b - fgB)) / 12);
+
+  // Set alpha channel of relevent pixels to 0
+  let isEmpty = true;
+  for (let offset = 0; offset < imageData.data.length; offset += 4) {
+    // Check exact match
+    if (imageData.data[offset] === r &&
+        imageData.data[offset + 1] === g &&
+        imageData.data[offset + 2] === b) {
+      imageData.data[offset + 3] = 0;
+    } else {
+      // Check the threshold based difference
+      if (enableThresholdCheck &&
+          (Math.abs(imageData.data[offset] - r) +
+          Math.abs(imageData.data[offset + 1] - g) +
+          Math.abs(imageData.data[offset + 2] - b)) < threshold) {
+        imageData.data[offset + 3] = 0;
+      } else {
+        isEmpty = false;
+      }
+    }
+  }
+
+  return isEmpty;
+}
+
+function checkCompletelyTransparent(imageData: ImageData): boolean {
+  for (let offset = 0; offset < imageData.data.length; offset += 4) {
+    if (imageData.data[offset + 3] > 0) {
+      return false;
+    }
+  }
+  return true;
+}
+
+function createCanvas(document: Document, width: number, height: number): HTMLCanvasElement {
+  const canvas = document.createElement('canvas');
+  canvas.width = width;
+  canvas.height = height;
+  return canvas;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/Types.d.ts b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/Types.d.ts
new file mode 100644
index 000000000..c0d5e9d65
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/renderer/shared/Types.d.ts
@@ -0,0 +1,173 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { FontWeight, Terminal } from '@xterm/xterm';
+import { IColorSet, ITerminal } from 'browser/Types';
+import { IDisposable } from 'common/Types';
+import { IEvent } from 'common/EventEmitter';
+
+export interface ICharAtlasConfig {
+  customGlyphs: boolean;
+  devicePixelRatio: number;
+  letterSpacing: number;
+  lineHeight: number;
+  fontSize: number;
+  fontFamily: string;
+  fontWeight: FontWeight;
+  fontWeightBold: FontWeight;
+  deviceCellWidth: number;
+  deviceCellHeight: number;
+  deviceCharWidth: number;
+  deviceCharHeight: number;
+  allowTransparency: boolean;
+  drawBoldTextInBrightColors: boolean;
+  minimumContrastRatio: number;
+  colors: IColorSet;
+}
+
+export interface IDimensions {
+  width: number;
+  height: number;
+}
+
+export interface IOffset {
+  top: number;
+  left: number;
+}
+
+export interface IRenderDimensions {
+  /**
+   * Dimensions measured in CSS pixels (ie. device pixels / device pixel ratio).
+   */
+  css: {
+    canvas: IDimensions;
+    cell: IDimensions;
+  };
+  /**
+   * Dimensions measured in actual pixels as rendered to the device.
+   */
+  device: {
+    canvas: IDimensions;
+    cell: IDimensions;
+    char: IDimensions & IOffset;
+  };
+}
+
+export interface IRequestRedrawEvent {
+  start: number;
+  end: number;
+}
+
+/**
+ * Note that IRenderer implementations should emit the refresh event after
+ * rendering rows to the screen.
+ */
+export interface IRenderer extends IDisposable {
+  readonly dimensions: IRenderDimensions;
+
+  /**
+   * Fires when the renderer is requesting to be redrawn on the next animation
+   * frame but is _not_ a result of content changing (eg. selection changes).
+   */
+  readonly onRequestRedraw: IEvent<IRequestRedrawEvent>;
+
+  dispose(): void;
+  handleDevicePixelRatioChange(): void;
+  handleResize(cols: number, rows: number): void;
+  handleCharSizeChanged(): void;
+  handleBlur(): void;
+  handleFocus(): void;
+  handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void;
+  handleCursorMove(): void;
+  clear(): void;
+  renderRows(start: number, end: number): void;
+  clearTextureAtlas?(): void;
+}
+
+export interface ITextureAtlas extends IDisposable {
+  readonly pages: { canvas: HTMLCanvasElement, version: number }[];
+
+  onAddTextureAtlasCanvas: IEvent<HTMLCanvasElement>;
+  onRemoveTextureAtlasCanvas: IEvent<HTMLCanvasElement>;
+
+  /**
+   * Warm up the texture atlas, adding common glyphs to avoid slowing early frame.
+   */
+  warmUp(): void;
+
+  /**
+   * Call when a frame is being drawn, this will return true if the atlas was cleared to make room
+   * for a new set of glyphs.
+   */
+  beginFrame(): boolean;
+
+  /**
+   * Clear all glyphs from the texture atlas.
+   */
+  clearTexture(): void;
+  getRasterizedGlyph(code: number, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph;
+  getRasterizedGlyphCombinedChar(chars: string, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph;
+}
+
+/**
+ * Represents a rasterized glyph within a texture atlas. Some numbers are
+ * tracked in CSS pixels as well in order to reduce calculations during the
+ * render loop.
+ */
+export interface IRasterizedGlyph {
+  /**
+   * The x and y offset between the glyph's top/left and the top/left of a cell
+   * in pixels.
+   */
+  offset: IVector;
+  /**
+   * The index of the texture page that the glyph is on.
+   */
+  texturePage: number;
+  /**
+   * the x and y position of the glyph in the texture in pixels.
+   */
+  texturePosition: IVector;
+  /**
+   * the x and y position of the glyph in the texture in clip space coordinates.
+   */
+  texturePositionClipSpace: IVector;
+  /**
+   * The width and height of the glyph in the texture in pixels.
+   */
+  size: IVector;
+  /**
+   * The width and height of the glyph in the texture in clip space coordinates.
+   */
+  sizeClipSpace: IVector;
+}
+
+export interface IVector {
+  x: number;
+  y: number;
+}
+
+export interface IBoundingBox {
+  top: number;
+  left: number;
+  right: number;
+  bottom: number;
+}
+
+export interface ISelectionRenderModel {
+  readonly hasSelection: boolean;
+  readonly columnSelectMode: boolean;
+  readonly viewportStartRow: number;
+  readonly viewportEndRow: number;
+  readonly viewportCappedStartRow: number;
+  readonly viewportCappedEndRow: number;
+  readonly startCol: number;
+  readonly endCol: number;
+  readonly selectionStart: [number, number] | undefined;
+  readonly selectionEnd: [number, number] | undefined;
+  clear(): void;
+  update(terminal: ITerminal, start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode?: boolean): void;
+  isCellSelected(terminal: Terminal, x: number, y: number): boolean;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/selection/SelectionModel.ts b/web/public/node_modules/@xterm/xterm/src/browser/selection/SelectionModel.ts
new file mode 100644
index 000000000..b26cf944f
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/selection/SelectionModel.ts
@@ -0,0 +1,144 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferService } from 'common/services/Services';
+
+/**
+ * Represents a selection within the buffer. This model only cares about column
+ * and row coordinates, not wide characters.
+ */
+export class SelectionModel {
+  /**
+   * Whether select all is currently active.
+   */
+  public isSelectAllActive: boolean = false;
+
+  /**
+   * The minimal length of the selection from the start position. When double
+   * clicking on a word, the word will be selected which makes the selection
+   * start at the start of the word and makes this variable the length.
+   */
+  public selectionStartLength: number = 0;
+
+  /**
+   * The [x, y] position the selection starts at.
+   */
+  public selectionStart: [number, number] | undefined;
+
+  /**
+   * The [x, y] position the selection ends at.
+   */
+  public selectionEnd: [number, number] | undefined;
+
+  constructor(
+    private _bufferService: IBufferService
+  ) {
+  }
+
+  /**
+   * Clears the current selection.
+   */
+  public clearSelection(): void {
+    this.selectionStart = undefined;
+    this.selectionEnd = undefined;
+    this.isSelectAllActive = false;
+    this.selectionStartLength = 0;
+  }
+
+  /**
+   * The final selection start, taking into consideration select all.
+   */
+  public get finalSelectionStart(): [number, number] | undefined {
+    if (this.isSelectAllActive) {
+      return [0, 0];
+    }
+
+    if (!this.selectionEnd || !this.selectionStart) {
+      return this.selectionStart;
+    }
+
+    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;
+  }
+
+  /**
+   * The final selection end, taking into consideration select all, double click
+   * word selection and triple click line selection.
+   */
+  public get finalSelectionEnd(): [number, number] | undefined {
+    if (this.isSelectAllActive) {
+      return [this._bufferService.cols, this._bufferService.buffer.ybase + this._bufferService.rows - 1];
+    }
+
+    if (!this.selectionStart) {
+      return undefined;
+    }
+
+    // Use the selection start + length if the end doesn't exist or they're reversed
+    if (!this.selectionEnd || this.areSelectionValuesReversed()) {
+      const startPlusLength = this.selectionStart[0] + this.selectionStartLength;
+      if (startPlusLength > this._bufferService.cols) {
+        // Ensure the trailing EOL isn't included when the selection ends on the right edge
+        if (startPlusLength % this._bufferService.cols === 0) {
+          return [this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols) - 1];
+        }
+        return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];
+      }
+      return [startPlusLength, this.selectionStart[1]];
+    }
+
+    // Ensure the the word/line is selected after a double/triple click
+    if (this.selectionStartLength) {
+      // Select the larger of the two when start and end are on the same line
+      if (this.selectionEnd[1] === this.selectionStart[1]) {
+        // Keep the whole wrapped word/line selected if the content wraps multiple lines
+        const startPlusLength = this.selectionStart[0] + this.selectionStartLength;
+        if (startPlusLength > this._bufferService.cols) {
+          return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];
+        }
+        return [Math.max(startPlusLength, this.selectionEnd[0]), this.selectionEnd[1]];
+      }
+    }
+    return this.selectionEnd;
+  }
+
+  /**
+   * Returns whether the selection start and end are reversed.
+   */
+  public areSelectionValuesReversed(): boolean {
+    const start = this.selectionStart;
+    const end = this.selectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);
+  }
+
+  /**
+   * Handle the buffer being trimmed, adjust the selection position.
+   * @param amount The amount the buffer is being trimmed.
+   * @returns Whether a refresh is necessary.
+   */
+  public handleTrim(amount: number): boolean {
+    // Adjust the selection position based on the trimmed amount.
+    if (this.selectionStart) {
+      this.selectionStart[1] -= amount;
+    }
+    if (this.selectionEnd) {
+      this.selectionEnd[1] -= amount;
+    }
+
+    // The selection has moved off the buffer, clear it.
+    if (this.selectionEnd && this.selectionEnd[1] < 0) {
+      this.clearSelection();
+      return true;
+    }
+
+    // If the selection start is trimmed, ensure the start column is 0.
+    if (this.selectionStart && this.selectionStart[1] < 0) {
+      this.selectionStart[1] = 0;
+    }
+    return false;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/selection/Types.d.ts b/web/public/node_modules/@xterm/xterm/src/browser/selection/Types.d.ts
new file mode 100644
index 000000000..8adfc17c4
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/selection/Types.d.ts
@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export interface ISelectionRedrawRequestEvent {
+  start: [number, number] | undefined;
+  end: [number, number] | undefined;
+  columnSelectMode: boolean;
+}
+
+export interface ISelectionRequestScrollLinesEvent {
+  amount: number;
+  suppressScrollEvent: boolean;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/CharSizeService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/CharSizeService.ts
new file mode 100644
index 000000000..da14b67dd
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/CharSizeService.ts
@@ -0,0 +1,127 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IOptionsService } from 'common/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { ICharSizeService } from 'browser/services/Services';
+import { Disposable } from 'common/Lifecycle';
+
+export class CharSizeService extends Disposable implements ICharSizeService {
+  public serviceBrand: undefined;
+
+  public width: number = 0;
+  public height: number = 0;
+  private _measureStrategy: IMeasureStrategy;
+
+  public get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }
+
+  private readonly _onCharSizeChange = this.register(new EventEmitter<void>());
+  public readonly onCharSizeChange = this._onCharSizeChange.event;
+
+  constructor(
+    document: Document,
+    parentElement: HTMLElement,
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+    try {
+      this._measureStrategy = this.register(new TextMetricsMeasureStrategy(this._optionsService));
+    } catch {
+      this._measureStrategy = this.register(new DomMeasureStrategy(document, parentElement, this._optionsService));
+    }
+    this.register(this._optionsService.onMultipleOptionChange(['fontFamily', 'fontSize'], () => this.measure()));
+  }
+
+  public measure(): void {
+    const result = this._measureStrategy.measure();
+    if (result.width !== this.width || result.height !== this.height) {
+      this.width = result.width;
+      this.height = result.height;
+      this._onCharSizeChange.fire();
+    }
+  }
+}
+
+interface IMeasureStrategy {
+  measure(): Readonly<IMeasureResult>;
+}
+
+interface IMeasureResult {
+  width: number;
+  height: number;
+}
+
+const enum DomMeasureStrategyConstants {
+  REPEAT = 32
+}
+
+abstract class BaseMeasureStategy extends Disposable implements IMeasureStrategy {
+  protected _result: IMeasureResult = { width: 0, height: 0 };
+
+  protected _validateAndSet(width: number | undefined, height: number | undefined): void {
+    // If values are 0 then the element is likely currently display:none, in which case we should
+    // retain the previous value.
+    if (width !== undefined && width > 0 && height !== undefined && height > 0) {
+      this._result.width = width;
+      this._result.height = height;
+    }
+  }
+
+  public abstract measure(): Readonly<IMeasureResult>;
+}
+
+class DomMeasureStrategy extends BaseMeasureStategy {
+  private _measureElement: HTMLElement;
+
+  constructor(
+    private _document: Document,
+    private _parentElement: HTMLElement,
+    private _optionsService: IOptionsService
+  ) {
+    super();
+    this._measureElement = this._document.createElement('span');
+    this._measureElement.classList.add('xterm-char-measure-element');
+    this._measureElement.textContent = 'W'.repeat(DomMeasureStrategyConstants.REPEAT);
+    this._measureElement.setAttribute('aria-hidden', 'true');
+    this._measureElement.style.whiteSpace = 'pre';
+    this._measureElement.style.fontKerning = 'none';
+    this._parentElement.appendChild(this._measureElement);
+  }
+
+  public measure(): Readonly<IMeasureResult> {
+    this._measureElement.style.fontFamily = this._optionsService.rawOptions.fontFamily;
+    this._measureElement.style.fontSize = `${this._optionsService.rawOptions.fontSize}px`;
+
+    // Note that this triggers a synchronous layout
+    this._validateAndSet(Number(this._measureElement.offsetWidth) / DomMeasureStrategyConstants.REPEAT, Number(this._measureElement.offsetHeight));
+
+    return this._result;
+  }
+}
+
+class TextMetricsMeasureStrategy extends BaseMeasureStategy {
+  private _canvas: OffscreenCanvas;
+  private _ctx: OffscreenCanvasRenderingContext2D;
+
+  constructor(
+    private _optionsService: IOptionsService
+  ) {
+    super();
+    // This will throw if any required API is not supported
+    this._canvas = new OffscreenCanvas(100, 100);
+    this._ctx = this._canvas.getContext('2d')!;
+    const a = this._ctx.measureText('W');
+    if (!('width' in a && 'fontBoundingBoxAscent' in a && 'fontBoundingBoxDescent' in a)) {
+      throw new Error('Required font metrics not supported');
+    }
+  }
+
+  public measure(): Readonly<IMeasureResult> {
+    this._ctx.font = `${this._optionsService.rawOptions.fontSize}px ${this._optionsService.rawOptions.fontFamily}`;
+    const metrics = this._ctx.measureText('W');
+    this._validateAndSet(metrics.width, metrics.fontBoundingBoxAscent + metrics.fontBoundingBoxDescent);
+    return this._result;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/CharacterJoinerService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/CharacterJoinerService.ts
new file mode 100644
index 000000000..ca4f1984e
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/CharacterJoinerService.ts
@@ -0,0 +1,339 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferLine, ICellData, CharData } from 'common/Types';
+import { ICharacterJoiner } from 'browser/Types';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { WHITESPACE_CELL_CHAR, Content } from 'common/buffer/Constants';
+import { CellData } from 'common/buffer/CellData';
+import { IBufferService } from 'common/services/Services';
+import { ICharacterJoinerService } from 'browser/services/Services';
+
+export class JoinedCellData extends AttributeData implements ICellData {
+  private _width: number;
+  // .content carries no meaning for joined CellData, simply nullify it
+  // thus we have to overload all other .content accessors
+  public content: number = 0;
+  public fg: number;
+  public bg: number;
+  public combinedData: string = '';
+
+  constructor(firstCell: ICellData, chars: string, width: number) {
+    super();
+    this.fg = firstCell.fg;
+    this.bg = firstCell.bg;
+    this.combinedData = chars;
+    this._width = width;
+  }
+
+  public isCombined(): number {
+    // always mark joined cell data as combined
+    return Content.IS_COMBINED_MASK;
+  }
+
+  public getWidth(): number {
+    return this._width;
+  }
+
+  public getChars(): string {
+    return this.combinedData;
+  }
+
+  public getCode(): number {
+    // code always gets the highest possible fake codepoint (read as -1)
+    // this is needed as code is used by caches as identifier
+    return 0x1FFFFF;
+  }
+
+  public setFromCharData(value: CharData): void {
+    throw new Error('not implemented');
+  }
+
+  public getAsCharData(): CharData {
+    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];
+  }
+}
+
+export class CharacterJoinerService implements ICharacterJoinerService {
+  public serviceBrand: undefined;
+
+  private _characterJoiners: ICharacterJoiner[] = [];
+  private _nextCharacterJoinerId: number = 0;
+  private _workCell: CellData = new CellData();
+
+  constructor(
+    @IBufferService private _bufferService: IBufferService
+  ) { }
+
+  public register(handler: (text: string) => [number, number][]): number {
+    const joiner: ICharacterJoiner = {
+      id: this._nextCharacterJoinerId++,
+      handler
+    };
+
+    this._characterJoiners.push(joiner);
+    return joiner.id;
+  }
+
+  public deregister(joinerId: number): boolean {
+    for (let i = 0; i < this._characterJoiners.length; i++) {
+      if (this._characterJoiners[i].id === joinerId) {
+        this._characterJoiners.splice(i, 1);
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  public getJoinedCharacters(row: number): [number, number][] {
+    if (this._characterJoiners.length === 0) {
+      return [];
+    }
+
+    const line = this._bufferService.buffer.lines.get(row);
+    if (!line || line.length === 0) {
+      return [];
+    }
+
+    const ranges: [number, number][] = [];
+    const lineStr = line.translateToString(true);
+
+    // Because some cells can be represented by multiple javascript characters,
+    // we track the cell and the string indexes separately. This allows us to
+    // translate the string ranges we get from the joiners back into cell ranges
+    // for use when rendering
+    let rangeStartColumn = 0;
+    let currentStringIndex = 0;
+    let rangeStartStringIndex = 0;
+    let rangeAttrFG = line.getFg(0);
+    let rangeAttrBG = line.getBg(0);
+
+    for (let x = 0; x < line.getTrimmedLength(); x++) {
+      line.loadCell(x, this._workCell);
+
+      if (this._workCell.getWidth() === 0) {
+        // If this character is of width 0, skip it.
+        continue;
+      }
+
+      // End of range
+      if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {
+        // If we ended up with a sequence of more than one character,
+        // look for ranges to join.
+        if (x - rangeStartColumn > 1) {
+          const joinedRanges = this._getJoinedRanges(
+            lineStr,
+            rangeStartStringIndex,
+            currentStringIndex,
+            line,
+            rangeStartColumn
+          );
+          for (let i = 0; i < joinedRanges.length; i++) {
+            ranges.push(joinedRanges[i]);
+          }
+        }
+
+        // Reset our markers for a new range.
+        rangeStartColumn = x;
+        rangeStartStringIndex = currentStringIndex;
+        rangeAttrFG = this._workCell.fg;
+        rangeAttrBG = this._workCell.bg;
+      }
+
+      currentStringIndex += this._workCell.getChars().length || WHITESPACE_CELL_CHAR.length;
+    }
+
+    // Process any trailing ranges.
+    if (this._bufferService.cols - rangeStartColumn > 1) {
+      const joinedRanges = this._getJoinedRanges(
+        lineStr,
+        rangeStartStringIndex,
+        currentStringIndex,
+        line,
+        rangeStartColumn
+      );
+      for (let i = 0; i < joinedRanges.length; i++) {
+        ranges.push(joinedRanges[i]);
+      }
+    }
+
+    return ranges;
+  }
+
+  /**
+   * Given a segment of a line of text, find all ranges of text that should be
+   * joined in a single rendering unit. Ranges are internally converted to
+   * column ranges, rather than string ranges.
+   * @param line String representation of the full line of text
+   * @param startIndex Start position of the range to search in the string (inclusive)
+   * @param endIndex End position of the range to search in the string (exclusive)
+   */
+  private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {
+    const text = line.substring(startIndex, endIndex);
+    // At this point we already know that there is at least one joiner so
+    // we can just pull its value and assign it directly rather than
+    // merging it into an empty array, which incurs unnecessary writes.
+    let allJoinedRanges: [number, number][] = [];
+    try {
+      allJoinedRanges = this._characterJoiners[0].handler(text);
+    } catch (error) {
+      console.error(error);
+    }
+    for (let i = 1; i < this._characterJoiners.length; i++) {
+      // We merge any overlapping ranges across the different joiners
+      try {
+        const joinerRanges = this._characterJoiners[i].handler(text);
+        for (let j = 0; j < joinerRanges.length; j++) {
+          CharacterJoinerService._mergeRanges(allJoinedRanges, joinerRanges[j]);
+        }
+      } catch (error) {
+        console.error(error);
+      }
+    }
+    this._stringRangesToCellRanges(allJoinedRanges, lineData, startCol);
+    return allJoinedRanges;
+  }
+
+  /**
+   * Modifies the provided ranges in-place to adjust for variations between
+   * string length and cell width so that the range represents a cell range,
+   * rather than the string range the joiner provides.
+   * @param ranges String ranges containing start (inclusive) and end (exclusive) index
+   * @param line Cell data for the relevant line in the terminal
+   * @param startCol Offset within the line to start from
+   */
+  private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {
+    let currentRangeIndex = 0;
+    let currentRangeStarted = false;
+    let currentStringIndex = 0;
+    let currentRange = ranges[currentRangeIndex];
+
+    // If we got through all of the ranges, stop searching
+    if (!currentRange) {
+      return;
+    }
+
+    for (let x = startCol; x < this._bufferService.cols; x++) {
+      const width = line.getWidth(x);
+      const length = line.getString(x).length || WHITESPACE_CELL_CHAR.length;
+
+      // We skip zero-width characters when creating the string to join the text
+      // so we do the same here
+      if (width === 0) {
+        continue;
+      }
+
+      // Adjust the start of the range
+      if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {
+        currentRange[0] = x;
+        currentRangeStarted = true;
+      }
+
+      // Adjust the end of the range
+      if (currentRange[1] <= currentStringIndex) {
+        currentRange[1] = x;
+
+        // We're finished with this range, so we move to the next one
+        currentRange = ranges[++currentRangeIndex];
+
+        // If there are no more ranges left, stop searching
+        if (!currentRange) {
+          break;
+        }
+
+        // Ranges can be on adjacent characters. Because the end index of the
+        // ranges are exclusive, this means that the index for the start of a
+        // range can be the same as the end index of the previous range. To
+        // account for the start of the next range, we check here just in case.
+        if (currentRange[0] <= currentStringIndex) {
+          currentRange[0] = x;
+          currentRangeStarted = true;
+        } else {
+          currentRangeStarted = false;
+        }
+      }
+
+      // Adjust the string index based on the character length to line up with
+      // the column adjustment
+      currentStringIndex += length;
+    }
+
+    // If there is still a range left at the end, it must extend all the way to
+    // the end of the line.
+    if (currentRange) {
+      currentRange[1] = this._bufferService.cols;
+    }
+  }
+
+  /**
+   * Merges the range defined by the provided start and end into the list of
+   * existing ranges. The merge is done in place on the existing range for
+   * performance and is also returned.
+   * @param ranges Existing range list
+   * @param newRange Tuple of two numbers representing the new range to merge in.
+   * @returns The ranges input with the new range merged in place
+   */
+  private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {
+    let inRange = false;
+    for (let i = 0; i < ranges.length; i++) {
+      const range = ranges[i];
+      if (!inRange) {
+        if (newRange[1] <= range[0]) {
+          // Case 1: New range is before the search range
+          ranges.splice(i, 0, newRange);
+          return ranges;
+        }
+
+        if (newRange[1] <= range[1]) {
+          // Case 2: New range is either wholly contained within the
+          // search range or overlaps with the front of it
+          range[0] = Math.min(newRange[0], range[0]);
+          return ranges;
+        }
+
+        if (newRange[0] < range[1]) {
+          // Case 3: New range either wholly contains the search range
+          // or overlaps with the end of it
+          range[0] = Math.min(newRange[0], range[0]);
+          inRange = true;
+        }
+
+        // Case 4: New range starts after the search range
+        continue;
+      } else {
+        if (newRange[1] <= range[0]) {
+          // Case 5: New range extends from previous range but doesn't
+          // reach the current one
+          ranges[i - 1][1] = newRange[1];
+          return ranges;
+        }
+
+        if (newRange[1] <= range[1]) {
+          // Case 6: New range extends from prvious range into the
+          // current range
+          ranges[i - 1][1] = Math.max(newRange[1], range[1]);
+          ranges.splice(i, 1);
+          return ranges;
+        }
+
+        // Case 7: New range extends from previous range past the
+        // end of the current range
+        ranges.splice(i, 1);
+        i--;
+      }
+    }
+
+    if (inRange) {
+      // Case 8: New range extends past the last existing range
+      ranges[ranges.length - 1][1] = newRange[1];
+    } else {
+      // Case 9: New range starts after the last existing range
+      ranges.push(newRange);
+    }
+
+    return ranges;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/CoreBrowserService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/CoreBrowserService.ts
new file mode 100644
index 000000000..575b62b63
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/CoreBrowserService.ts
@@ -0,0 +1,137 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';
+import { ICoreBrowserService } from './Services';
+import { EventEmitter, forwardEvent } from 'common/EventEmitter';
+import { addDisposableDomListener } from 'browser/Lifecycle';
+
+export class CoreBrowserService extends Disposable implements ICoreBrowserService {
+  public serviceBrand: undefined;
+
+  private _isFocused = false;
+  private _cachedIsFocused: boolean | undefined = undefined;
+  private _screenDprMonitor = new ScreenDprMonitor(this._window);
+
+  private readonly _onDprChange = this.register(new EventEmitter<number>());
+  public readonly onDprChange = this._onDprChange.event;
+  private readonly _onWindowChange = this.register(new EventEmitter<Window & typeof globalThis>());
+  public readonly onWindowChange = this._onWindowChange.event;
+
+  constructor(
+    private _textarea: HTMLTextAreaElement,
+    private _window: Window & typeof globalThis,
+    public readonly mainDocument: Document
+  ) {
+    super();
+
+    // Monitor device pixel ratio
+    this.register(this.onWindowChange(w => this._screenDprMonitor.setWindow(w)));
+    this.register(forwardEvent(this._screenDprMonitor.onDprChange, this._onDprChange));
+
+    this._textarea.addEventListener('focus', () => this._isFocused = true);
+    this._textarea.addEventListener('blur', () => this._isFocused = false);
+  }
+
+  public get window(): Window & typeof globalThis {
+    return this._window;
+  }
+
+  public set window(value: Window & typeof globalThis) {
+    if (this._window !== value) {
+      this._window = value;
+      this._onWindowChange.fire(this._window);
+    }
+  }
+
+  public get dpr(): number {
+    return this.window.devicePixelRatio;
+  }
+
+  public get isFocused(): boolean {
+    if (this._cachedIsFocused === undefined) {
+      this._cachedIsFocused = this._isFocused && this._textarea.ownerDocument.hasFocus();
+      queueMicrotask(() => this._cachedIsFocused = undefined);
+    }
+    return this._cachedIsFocused;
+  }
+}
+
+
+/**
+ * The screen device pixel ratio monitor allows listening for when the
+ * window.devicePixelRatio value changes. This is done not with polling but with
+ * the use of window.matchMedia to watch media queries. When the event fires,
+ * the listener will be reattached using a different media query to ensure that
+ * any further changes will register.
+ *
+ * The listener should fire on both window zoom changes and switching to a
+ * monitor with a different DPI.
+ */
+class ScreenDprMonitor extends Disposable {
+  private _currentDevicePixelRatio: number;
+  private _outerListener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | undefined;
+  private _resolutionMediaMatchList: MediaQueryList | undefined;
+  private _windowResizeListener = this.register(new MutableDisposable());
+
+  private readonly _onDprChange = this.register(new EventEmitter<number>());
+  public readonly onDprChange = this._onDprChange.event;
+
+  constructor(private _parentWindow: Window) {
+    super();
+
+    // Initialize listener and dpr value
+    this._outerListener = () => this._setDprAndFireIfDiffers();
+    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;
+    this._updateDpr();
+
+    // Monitor active window resize
+    this._setWindowResizeListener();
+
+    // Setup additional disposables
+    this.register(toDisposable(() => this.clearListener()));
+  }
+
+
+  public setWindow(parentWindow: Window): void {
+    this._parentWindow = parentWindow;
+    this._setWindowResizeListener();
+    this._setDprAndFireIfDiffers();
+  }
+
+  private _setWindowResizeListener(): void {
+    this._windowResizeListener.value = addDisposableDomListener(this._parentWindow, 'resize', () => this._setDprAndFireIfDiffers());
+  }
+
+  private _setDprAndFireIfDiffers(): void {
+    if (this._parentWindow.devicePixelRatio !== this._currentDevicePixelRatio) {
+      this._onDprChange.fire(this._parentWindow.devicePixelRatio);
+    }
+    this._updateDpr();
+  }
+
+  private _updateDpr(): void {
+    if (!this._outerListener) {
+      return;
+    }
+
+    // Clear listeners for old DPR
+    this._resolutionMediaMatchList?.removeListener(this._outerListener);
+
+    // Add listeners for new DPR
+    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;
+    this._resolutionMediaMatchList = this._parentWindow.matchMedia(`screen and (resolution: ${this._parentWindow.devicePixelRatio}dppx)`);
+    this._resolutionMediaMatchList.addListener(this._outerListener);
+  }
+
+  public clearListener(): void {
+    if (!this._resolutionMediaMatchList || !this._outerListener) {
+      return;
+    }
+    this._resolutionMediaMatchList.removeListener(this._outerListener);
+    this._resolutionMediaMatchList = undefined;
+    this._outerListener = undefined;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/LinkProviderService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/LinkProviderService.ts
new file mode 100644
index 000000000..2590f24bd
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/LinkProviderService.ts
@@ -0,0 +1,28 @@
+import { ILinkProvider, ILinkProviderService } from 'browser/services/Services';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+
+export class LinkProviderService extends Disposable implements ILinkProviderService {
+  declare public serviceBrand: undefined;
+
+  public readonly linkProviders: ILinkProvider[] = [];
+
+  constructor() {
+    super();
+    this.register(toDisposable(() => this.linkProviders.length = 0));
+  }
+
+  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
+    this.linkProviders.push(linkProvider);
+    return {
+      dispose: () => {
+        // Remove the link provider from the list
+        const providerIndex = this.linkProviders.indexOf(linkProvider);
+
+        if (providerIndex !== -1) {
+          this.linkProviders.splice(providerIndex, 1);
+        }
+      }
+    };
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/MouseService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/MouseService.ts
new file mode 100644
index 000000000..664d845e2
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/MouseService.ts
@@ -0,0 +1,46 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharSizeService, IRenderService, IMouseService } from './Services';
+import { getCoords, getCoordsRelativeToElement } from 'browser/input/Mouse';
+
+export class MouseService implements IMouseService {
+  public serviceBrand: undefined;
+
+  constructor(
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService
+  ) {
+  }
+
+  public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined {
+    return getCoords(
+      window,
+      event,
+      element,
+      colCount,
+      rowCount,
+      this._charSizeService.hasValidSize,
+      this._renderService.dimensions.css.cell.width,
+      this._renderService.dimensions.css.cell.height,
+      isSelection
+    );
+  }
+
+  public getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined {
+    const coords = getCoordsRelativeToElement(window, event, element);
+    if (!this._charSizeService.hasValidSize) {
+      return undefined;
+    }
+    coords[0] = Math.min(Math.max(coords[0], 0), this._renderService.dimensions.css.canvas.width - 1);
+    coords[1] = Math.min(Math.max(coords[1], 0), this._renderService.dimensions.css.canvas.height - 1);
+    return {
+      col: Math.floor(coords[0] / this._renderService.dimensions.css.cell.width),
+      row: Math.floor(coords[1] / this._renderService.dimensions.css.cell.height),
+      x: Math.floor(coords[0]),
+      y: Math.floor(coords[1])
+    };
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/RenderService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/RenderService.ts
new file mode 100644
index 000000000..d4f2be465
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/RenderService.ts
@@ -0,0 +1,285 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { RenderDebouncer } from 'browser/RenderDebouncer';
+import { IRenderDebouncerWithCallback } from 'browser/Types';
+import { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';
+import { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';
+import { DebouncedIdleTask } from 'common/TaskQueue';
+import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
+
+interface ISelectionState {
+  start: [number, number] | undefined;
+  end: [number, number] | undefined;
+  columnSelectMode: boolean;
+}
+
+export class RenderService extends Disposable implements IRenderService {
+  public serviceBrand: undefined;
+
+  private _renderer: MutableDisposable<IRenderer> = this.register(new MutableDisposable());
+  private _renderDebouncer: IRenderDebouncerWithCallback;
+  private _pausedResizeTask = new DebouncedIdleTask();
+  private _observerDisposable = this.register(new MutableDisposable());
+
+  private _isPaused: boolean = false;
+  private _needsFullRefresh: boolean = false;
+  private _isNextRenderRedrawOnly: boolean = true;
+  private _needsSelectionRefresh: boolean = false;
+  private _canvasWidth: number = 0;
+  private _canvasHeight: number = 0;
+  private _selectionState: ISelectionState = {
+    start: undefined,
+    end: undefined,
+    columnSelectMode: false
+  };
+
+  private readonly _onDimensionsChange = this.register(new EventEmitter<IRenderDimensions>());
+  public readonly onDimensionsChange = this._onDimensionsChange.event;
+  private readonly _onRenderedViewportChange = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRenderedViewportChange = this._onRenderedViewportChange.event;
+  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRender = this._onRender.event;
+  private readonly _onRefreshRequest = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRefreshRequest = this._onRefreshRequest.event;
+
+  public get dimensions(): IRenderDimensions { return this._renderer.value!.dimensions; }
+
+  constructor(
+    private _rowCount: number,
+    screenElement: HTMLElement,
+    @IOptionsService optionsService: IOptionsService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IDecorationService decorationService: IDecorationService,
+    @IBufferService bufferService: IBufferService,
+    @ICoreBrowserService coreBrowserService: ICoreBrowserService,
+    @IThemeService themeService: IThemeService
+  ) {
+    super();
+
+    this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end), coreBrowserService);
+    this.register(this._renderDebouncer);
+
+    this.register(coreBrowserService.onDprChange(() => this.handleDevicePixelRatioChange()));
+
+    this.register(bufferService.onResize(() => this._fullRefresh()));
+    this.register(bufferService.buffers.onBufferActivate(() => this._renderer.value?.clear()));
+    this.register(optionsService.onOptionChange(() => this._handleOptionsChanged()));
+    this.register(this._charSizeService.onCharSizeChange(() => this.handleCharSizeChanged()));
+
+    // Do a full refresh whenever any decoration is added or removed. This may not actually result
+    // in changes but since decorations should be used sparingly or added/removed all in the same
+    // frame this should have minimal performance impact.
+    this.register(decorationService.onDecorationRegistered(() => this._fullRefresh()));
+    this.register(decorationService.onDecorationRemoved(() => this._fullRefresh()));
+
+    // Clear the renderer when the a change that could affect glyphs occurs
+    this.register(optionsService.onMultipleOptionChange([
+      'customGlyphs',
+      'drawBoldTextInBrightColors',
+      'letterSpacing',
+      'lineHeight',
+      'fontFamily',
+      'fontSize',
+      'fontWeight',
+      'fontWeightBold',
+      'minimumContrastRatio',
+      'rescaleOverlappingGlyphs'
+    ], () => {
+      this.clear();
+      this.handleResize(bufferService.cols, bufferService.rows);
+      this._fullRefresh();
+    }));
+
+    // Refresh the cursor line when the cursor changes
+    this.register(optionsService.onMultipleOptionChange([
+      'cursorBlink',
+      'cursorStyle'
+    ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, true)));
+
+    this.register(themeService.onChangeColors(() => this._fullRefresh()));
+
+    this._registerIntersectionObserver(coreBrowserService.window, screenElement);
+    this.register(coreBrowserService.onWindowChange((w) => this._registerIntersectionObserver(w, screenElement)));
+  }
+
+  private _registerIntersectionObserver(w: Window & typeof globalThis, screenElement: HTMLElement): void {
+    // Detect whether IntersectionObserver is detected and enable renderer pause
+    // and resume based on terminal visibility if so
+    if ('IntersectionObserver' in w) {
+      const observer = new w.IntersectionObserver(e => this._handleIntersectionChange(e[e.length - 1]), { threshold: 0 });
+      observer.observe(screenElement);
+      this._observerDisposable.value = toDisposable(() => observer.disconnect());
+    }
+  }
+
+  private _handleIntersectionChange(entry: IntersectionObserverEntry): void {
+    this._isPaused = entry.isIntersecting === undefined ? (entry.intersectionRatio === 0) : !entry.isIntersecting;
+
+    // Terminal was hidden on open
+    if (!this._isPaused && !this._charSizeService.hasValidSize) {
+      this._charSizeService.measure();
+    }
+
+    if (!this._isPaused && this._needsFullRefresh) {
+      this._pausedResizeTask.flush();
+      this.refreshRows(0, this._rowCount - 1);
+      this._needsFullRefresh = false;
+    }
+  }
+
+  public refreshRows(start: number, end: number, isRedrawOnly: boolean = false): void {
+    if (this._isPaused) {
+      this._needsFullRefresh = true;
+      return;
+    }
+    if (!isRedrawOnly) {
+      this._isNextRenderRedrawOnly = false;
+    }
+    this._renderDebouncer.refresh(start, end, this._rowCount);
+  }
+
+  private _renderRows(start: number, end: number): void {
+    if (!this._renderer.value) {
+      return;
+    }
+
+    // Since this is debounced, a resize event could have happened between the time a refresh was
+    // requested and when this triggers. Clamp the values of start and end to ensure they're valid
+    // given the current viewport state.
+    start = Math.min(start, this._rowCount - 1);
+    end = Math.min(end, this._rowCount - 1);
+
+    // Render
+    this._renderer.value.renderRows(start, end);
+
+    // Update selection if needed
+    if (this._needsSelectionRefresh) {
+      this._renderer.value.handleSelectionChanged(this._selectionState.start, this._selectionState.end, this._selectionState.columnSelectMode);
+      this._needsSelectionRefresh = false;
+    }
+
+    // Fire render event only if it was not a redraw
+    if (!this._isNextRenderRedrawOnly) {
+      this._onRenderedViewportChange.fire({ start, end });
+    }
+    this._onRender.fire({ start, end });
+    this._isNextRenderRedrawOnly = true;
+  }
+
+  public resize(cols: number, rows: number): void {
+    this._rowCount = rows;
+    this._fireOnCanvasResize();
+  }
+
+  private _handleOptionsChanged(): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    this.refreshRows(0, this._rowCount - 1);
+    this._fireOnCanvasResize();
+  }
+
+  private _fireOnCanvasResize(): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    // Don't fire the event if the dimensions haven't changed
+    if (this._renderer.value.dimensions.css.canvas.width === this._canvasWidth && this._renderer.value.dimensions.css.canvas.height === this._canvasHeight) {
+      return;
+    }
+    this._onDimensionsChange.fire(this._renderer.value.dimensions);
+  }
+
+  public hasRenderer(): boolean {
+    return !!this._renderer.value;
+  }
+
+  public setRenderer(renderer: IRenderer): void {
+    this._renderer.value = renderer;
+    // If the value was not set, the terminal is being disposed so ignore it
+    if (this._renderer.value) {
+      this._renderer.value.onRequestRedraw(e => this.refreshRows(e.start, e.end, true));
+
+      // Force a refresh
+      this._needsSelectionRefresh = true;
+      this._fullRefresh();
+    }
+  }
+
+  public addRefreshCallback(callback: FrameRequestCallback): number {
+    return this._renderDebouncer.addRefreshCallback(callback);
+  }
+
+  private _fullRefresh(): void {
+    if (this._isPaused) {
+      this._needsFullRefresh = true;
+    } else {
+      this.refreshRows(0, this._rowCount - 1);
+    }
+  }
+
+  public clearTextureAtlas(): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    this._renderer.value.clearTextureAtlas?.();
+    this._fullRefresh();
+  }
+
+  public handleDevicePixelRatioChange(): void {
+    // Force char size measurement as DomMeasureStrategy(getBoundingClientRect) is not stable
+    // when devicePixelRatio changes
+    this._charSizeService.measure();
+
+    if (!this._renderer.value) {
+      return;
+    }
+    this._renderer.value.handleDevicePixelRatioChange();
+    this.refreshRows(0, this._rowCount - 1);
+  }
+
+  public handleResize(cols: number, rows: number): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    if (this._isPaused) {
+      this._pausedResizeTask.set(() => this._renderer.value?.handleResize(cols, rows));
+    } else {
+      this._renderer.value.handleResize(cols, rows);
+    }
+    this._fullRefresh();
+  }
+
+  // TODO: Is this useful when we have onResize?
+  public handleCharSizeChanged(): void {
+    this._renderer.value?.handleCharSizeChanged();
+  }
+
+  public handleBlur(): void {
+    this._renderer.value?.handleBlur();
+  }
+
+  public handleFocus(): void {
+    this._renderer.value?.handleFocus();
+  }
+
+  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {
+    this._selectionState.start = start;
+    this._selectionState.end = end;
+    this._selectionState.columnSelectMode = columnSelectMode;
+    this._renderer.value?.handleSelectionChanged(start, end, columnSelectMode);
+  }
+
+  public handleCursorMove(): void {
+    this._renderer.value?.handleCursorMove();
+  }
+
+  public clear(): void {
+    this._renderer.value?.clear();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/SelectionService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/SelectionService.ts
new file mode 100644
index 000000000..e134802e9
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/SelectionService.ts
@@ -0,0 +1,1031 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferRange, ILinkifier2 } from 'browser/Types';
+import { getCoordsRelativeToElement } from 'browser/input/Mouse';
+import { moveToCellSequence } from 'browser/input/MoveToCell';
+import { SelectionModel } from 'browser/selection/SelectionModel';
+import { ISelectionRedrawRequestEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';
+import { ICoreBrowserService, IMouseService, IRenderService, ISelectionService } from 'browser/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import * as Browser from 'common/Platform';
+import { IBufferLine, IDisposable } from 'common/Types';
+import { getRangeLength } from 'common/buffer/BufferRange';
+import { CellData } from 'common/buffer/CellData';
+import { IBuffer } from 'common/buffer/Types';
+import { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';
+
+/**
+ * The number of pixels the mouse needs to be above or below the viewport in
+ * order to scroll at the maximum speed.
+ */
+const DRAG_SCROLL_MAX_THRESHOLD = 50;
+
+/**
+ * The maximum scrolling speed
+ */
+const DRAG_SCROLL_MAX_SPEED = 15;
+
+/**
+ * The number of milliseconds between drag scroll updates.
+ */
+const DRAG_SCROLL_INTERVAL = 50;
+
+/**
+ * The maximum amount of time that can have elapsed for an alt click to move the
+ * cursor.
+ */
+const ALT_CLICK_MOVE_CURSOR_TIME = 500;
+
+const NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
+const ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
+
+/**
+ * Represents a position of a word on a line.
+ */
+interface IWordPosition {
+  start: number;
+  length: number;
+}
+
+/**
+ * A selection mode, this drives how the selection behaves on mouse move.
+ */
+export const enum SelectionMode {
+  NORMAL,
+  WORD,
+  LINE,
+  COLUMN
+}
+
+/**
+ * A class that manages the selection of the terminal. With help from
+ * SelectionModel, SelectionService handles with all logic associated with
+ * dealing with the selection, including handling mouse interaction, wide
+ * characters and fetching the actual text within the selection. Rendering is
+ * not handled by the SelectionService but the onRedrawRequest event is fired
+ * when the selection is ready to be redrawn (on an animation frame).
+ */
+export class SelectionService extends Disposable implements ISelectionService {
+  public serviceBrand: undefined;
+
+  protected _model: SelectionModel;
+
+  /**
+   * The amount to scroll every drag scroll update (depends on how far the mouse
+   * drag is above or below the terminal).
+   */
+  private _dragScrollAmount: number = 0;
+
+  /**
+   * The current selection mode.
+   */
+  protected _activeSelectionMode: SelectionMode;
+
+  /**
+   * A setInterval timer that is active while the mouse is down whose callback
+   * scrolls the viewport when necessary.
+   */
+  private _dragScrollIntervalTimer: number | undefined;
+
+  /**
+   * The animation frame ID used for refreshing the selection.
+   */
+  private _refreshAnimationFrame: number | undefined;
+
+  /**
+   * Whether selection is enabled.
+   */
+  private _enabled = true;
+
+  private _mouseMoveListener: EventListener;
+  private _mouseUpListener: EventListener;
+  private _trimListener: IDisposable;
+  private _workCell: CellData = new CellData();
+
+  private _mouseDownTimeStamp: number = 0;
+  private _oldHasSelection: boolean = false;
+  private _oldSelectionStart: [number, number] | undefined = undefined;
+  private _oldSelectionEnd: [number, number] | undefined = undefined;
+
+  private readonly _onLinuxMouseSelection = this.register(new EventEmitter<string>());
+  public readonly onLinuxMouseSelection = this._onLinuxMouseSelection.event;
+  private readonly _onRedrawRequest = this.register(new EventEmitter<ISelectionRedrawRequestEvent>());
+  public readonly onRequestRedraw = this._onRedrawRequest.event;
+  private readonly _onSelectionChange = this.register(new EventEmitter<void>());
+  public readonly onSelectionChange = this._onSelectionChange.event;
+  private readonly _onRequestScrollLines = this.register(new EventEmitter<ISelectionRequestScrollLinesEvent>());
+  public readonly onRequestScrollLines = this._onRequestScrollLines.event;
+
+  constructor(
+    private readonly _element: HTMLElement,
+    private readonly _screenElement: HTMLElement,
+    private readonly _linkifier: ILinkifier2,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IMouseService private readonly _mouseService: IMouseService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService
+  ) {
+    super();
+
+    // Init listeners
+    this._mouseMoveListener = event => this._handleMouseMove(event as MouseEvent);
+    this._mouseUpListener = event => this._handleMouseUp(event as MouseEvent);
+    this._coreService.onUserInput(() => {
+      if (this.hasSelection) {
+        this.clearSelection();
+      }
+    });
+    this._trimListener = this._bufferService.buffer.lines.onTrim(amount => this._handleTrim(amount));
+    this.register(this._bufferService.buffers.onBufferActivate(e => this._handleBufferActivate(e)));
+
+    this.enable();
+
+    this._model = new SelectionModel(this._bufferService);
+    this._activeSelectionMode = SelectionMode.NORMAL;
+
+    this.register(toDisposable(() => {
+      this._removeMouseDownListeners();
+    }));
+  }
+
+  public reset(): void {
+    this.clearSelection();
+  }
+
+  /**
+   * Disables the selection manager. This is useful for when terminal mouse
+   * are enabled.
+   */
+  public disable(): void {
+    this.clearSelection();
+    this._enabled = false;
+  }
+
+  /**
+   * Enable the selection manager.
+   */
+  public enable(): void {
+    this._enabled = true;
+  }
+
+  public get selectionStart(): [number, number] | undefined { return this._model.finalSelectionStart; }
+  public get selectionEnd(): [number, number] | undefined { return this._model.finalSelectionEnd; }
+
+  /**
+   * Gets whether there is an active text selection.
+   */
+  public get hasSelection(): boolean {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    return start[0] !== end[0] || start[1] !== end[1];
+  }
+
+  /**
+   * Gets the text currently selected.
+   */
+  public get selectionText(): string {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    if (!start || !end) {
+      return '';
+    }
+
+    const buffer = this._bufferService.buffer;
+    const result: string[] = [];
+
+    if (this._activeSelectionMode === SelectionMode.COLUMN) {
+      // Ignore zero width selections
+      if (start[0] === end[0]) {
+        return '';
+      }
+
+      // For column selection it's not enough to rely on final selection's swapping of reversed
+      // values, it also needs the x coordinates to swap independently of the y coordinate is needed
+      const startCol = start[0] < end[0] ? start[0] : end[0];
+      const endCol = start[0] < end[0] ? end[0] : start[0];
+      for (let i = start[1]; i <= end[1]; i++) {
+        const lineText = buffer.translateBufferLineToString(i, true, startCol, endCol);
+        result.push(lineText);
+      }
+    } else {
+      // Get first row
+      const startRowEndCol = start[1] === end[1] ? end[0] : undefined;
+      result.push(buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));
+
+      // Get middle rows
+      for (let i = start[1] + 1; i <= end[1] - 1; i++) {
+        const bufferLine = buffer.lines.get(i);
+        const lineText = buffer.translateBufferLineToString(i, true);
+        if (bufferLine?.isWrapped) {
+          result[result.length - 1] += lineText;
+        } else {
+          result.push(lineText);
+        }
+      }
+
+      // Get final row
+      if (start[1] !== end[1]) {
+        const bufferLine = buffer.lines.get(end[1]);
+        const lineText = buffer.translateBufferLineToString(end[1], true, 0, end[0]);
+        if (bufferLine && bufferLine!.isWrapped) {
+          result[result.length - 1] += lineText;
+        } else {
+          result.push(lineText);
+        }
+      }
+    }
+
+    // Format string by replacing non-breaking space chars with regular spaces
+    // and joining the array into a multi-line string.
+    const formattedResult = result.map(line => {
+      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
+    }).join(Browser.isWindows ? '\r\n' : '\n');
+
+    return formattedResult;
+  }
+
+  /**
+   * Clears the current terminal selection.
+   */
+  public clearSelection(): void {
+    this._model.clearSelection();
+    this._removeMouseDownListeners();
+    this.refresh();
+    this._onSelectionChange.fire();
+  }
+
+  /**
+   * Queues a refresh, redrawing the selection on the next opportunity.
+   * @param isLinuxMouseSelection Whether the selection should be registered as a new
+   * selection on Linux.
+   */
+  public refresh(isLinuxMouseSelection?: boolean): void {
+    // Queue the refresh for the renderer
+    if (!this._refreshAnimationFrame) {
+      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._refresh());
+    }
+
+    // If the platform is Linux and the refresh call comes from a mouse event,
+    // we need to update the selection for middle click to paste selection.
+    if (Browser.isLinux && isLinuxMouseSelection) {
+      const selectionText = this.selectionText;
+      if (selectionText.length) {
+        this._onLinuxMouseSelection.fire(this.selectionText);
+      }
+    }
+  }
+
+  /**
+   * Fires the refresh event, causing consumers to pick it up and redraw the
+   * selection state.
+   */
+  private _refresh(): void {
+    this._refreshAnimationFrame = undefined;
+    this._onRedrawRequest.fire({
+      start: this._model.finalSelectionStart,
+      end: this._model.finalSelectionEnd,
+      columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN
+    });
+  }
+
+  /**
+   * Checks if the current click was inside the current selection
+   * @param event The mouse event
+   */
+  private _isClickInSelection(event: MouseEvent): boolean {
+    const coords = this._getMouseBufferCoords(event);
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+
+    if (!start || !end || !coords) {
+      return false;
+    }
+
+    return this._areCoordsInSelection(coords, start, end);
+  }
+
+  public isCellInSelection(x: number, y: number): boolean {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    return this._areCoordsInSelection([x, y], start, end);
+  }
+
+  protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {
+    return (coords[1] > start[1] && coords[1] < end[1]) ||
+        (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||
+        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||
+        (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);
+  }
+
+  /**
+   * Selects word at the current mouse event coordinates.
+   * @param event The mouse event.
+   */
+  private _selectWordAtCursor(event: MouseEvent, allowWhitespaceOnlySelection: boolean): boolean {
+    // Check if there is a link under the cursor first and select that if so
+    const range = this._linkifier.currentLink?.link?.range;
+    if (range) {
+      this._model.selectionStart = [range.start.x - 1, range.start.y - 1];
+      this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);
+      this._model.selectionEnd = undefined;
+      return true;
+    }
+
+    const coords = this._getMouseBufferCoords(event);
+    if (coords) {
+      this._selectWordAt(coords, allowWhitespaceOnlySelection);
+      this._model.selectionEnd = undefined;
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Selects all text within the terminal.
+   */
+  public selectAll(): void {
+    this._model.isSelectAllActive = true;
+    this.refresh();
+    this._onSelectionChange.fire();
+  }
+
+  public selectLines(start: number, end: number): void {
+    this._model.clearSelection();
+    start = Math.max(start, 0);
+    end = Math.min(end, this._bufferService.buffer.lines.length - 1);
+    this._model.selectionStart = [0, start];
+    this._model.selectionEnd = [this._bufferService.cols, end];
+    this.refresh();
+    this._onSelectionChange.fire();
+  }
+
+  /**
+   * Handle the buffer being trimmed, adjust the selection position.
+   * @param amount The amount the buffer is being trimmed.
+   */
+  private _handleTrim(amount: number): void {
+    const needsRefresh = this._model.handleTrim(amount);
+    if (needsRefresh) {
+      this.refresh();
+    }
+  }
+
+  /**
+   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.
+   * @param event The mouse event.
+   */
+  private _getMouseBufferCoords(event: MouseEvent): [number, number] | undefined {
+    const coords = this._mouseService.getCoords(event, this._screenElement, this._bufferService.cols, this._bufferService.rows, true);
+    if (!coords) {
+      return undefined;
+    }
+
+    // Convert to 0-based
+    coords[0]--;
+    coords[1]--;
+
+    // Convert viewport coords to buffer coords
+    coords[1] += this._bufferService.buffer.ydisp;
+    return coords;
+  }
+
+  /**
+   * Gets the amount the viewport should be scrolled based on how far out of the
+   * terminal the mouse is.
+   * @param event The mouse event.
+   */
+  private _getMouseEventScrollAmount(event: MouseEvent): number {
+    let offset = getCoordsRelativeToElement(this._coreBrowserService.window, event, this._screenElement)[1];
+    const terminalHeight = this._renderService.dimensions.css.canvas.height;
+    if (offset >= 0 && offset <= terminalHeight) {
+      return 0;
+    }
+    if (offset > terminalHeight) {
+      offset -= terminalHeight;
+    }
+
+    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);
+    offset /= DRAG_SCROLL_MAX_THRESHOLD;
+    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));
+  }
+
+  /**
+   * Returns whether the selection manager should force selection, regardless of
+   * whether the terminal is in mouse events mode.
+   * @param event The mouse event.
+   */
+  public shouldForceSelection(event: MouseEvent): boolean {
+    if (Browser.isMac) {
+      return event.altKey && this._optionsService.rawOptions.macOptionClickForcesSelection;
+    }
+
+    return event.shiftKey;
+  }
+
+  /**
+   * Handles te mousedown event, setting up for a new selection.
+   * @param event The mousedown event.
+   */
+  public handleMouseDown(event: MouseEvent): void {
+    this._mouseDownTimeStamp = event.timeStamp;
+    // If we have selection, we want the context menu on right click even if the
+    // terminal is in mouse mode.
+    if (event.button === 2 && this.hasSelection) {
+      return;
+    }
+
+    // Only action the primary button
+    if (event.button !== 0) {
+      return;
+    }
+
+    // Allow selection when using a specific modifier key, even when disabled
+    if (!this._enabled) {
+      if (!this.shouldForceSelection(event)) {
+        return;
+      }
+
+      // Don't send the mouse down event to the current process, we want to select
+      event.stopPropagation();
+    }
+
+    // Tell the browser not to start a regular selection
+    event.preventDefault();
+
+    // Reset drag scroll state
+    this._dragScrollAmount = 0;
+
+    if (this._enabled && event.shiftKey) {
+      this._handleIncrementalClick(event);
+    } else {
+      if (event.detail === 1) {
+        this._handleSingleClick(event);
+      } else if (event.detail === 2) {
+        this._handleDoubleClick(event);
+      } else if (event.detail === 3) {
+        this._handleTripleClick(event);
+      }
+    }
+
+    this._addMouseDownListeners();
+    this.refresh(true);
+  }
+
+  /**
+   * Adds listeners when mousedown is triggered.
+   */
+  private _addMouseDownListeners(): void {
+    // Listen on the document so that dragging outside of viewport works
+    if (this._screenElement.ownerDocument) {
+      this._screenElement.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);
+      this._screenElement.ownerDocument.addEventListener('mouseup', this._mouseUpListener);
+    }
+    this._dragScrollIntervalTimer = this._coreBrowserService.window.setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);
+  }
+
+  /**
+   * Removes the listeners that are registered when mousedown is triggered.
+   */
+  private _removeMouseDownListeners(): void {
+    if (this._screenElement.ownerDocument) {
+      this._screenElement.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
+      this._screenElement.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
+    }
+    this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer);
+    this._dragScrollIntervalTimer = undefined;
+  }
+
+  /**
+   * Performs an incremental click, setting the selection end position to the mouse
+   * position.
+   * @param event The mouse event.
+   */
+  private _handleIncrementalClick(event: MouseEvent): void {
+    if (this._model.selectionStart) {
+      this._model.selectionEnd = this._getMouseBufferCoords(event);
+    }
+  }
+
+  /**
+   * Performs a single click, resetting relevant state and setting the selection
+   * start position.
+   * @param event The mouse event.
+   */
+  private _handleSingleClick(event: MouseEvent): void {
+    this._model.selectionStartLength = 0;
+    this._model.isSelectAllActive = false;
+    this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;
+
+    // Initialize the new selection
+    this._model.selectionStart = this._getMouseBufferCoords(event);
+    if (!this._model.selectionStart) {
+      return;
+    }
+    this._model.selectionEnd = undefined;
+
+    // Ensure the line exists
+    const line = this._bufferService.buffer.lines.get(this._model.selectionStart[1]);
+    if (!line) {
+      return;
+    }
+
+    // Return early if the click event is not in the buffer (eg. in scroll bar)
+    if (line.length === this._model.selectionStart[0]) {
+      return;
+    }
+
+    // If the mouse is over the second half of a wide character, adjust the
+    // selection to cover the whole character
+    if (line.hasWidth(this._model.selectionStart[0]) === 0) {
+      this._model.selectionStart[0]++;
+    }
+  }
+
+  /**
+   * Performs a double click, selecting the current word.
+   * @param event The mouse event.
+   */
+  private _handleDoubleClick(event: MouseEvent): void {
+    if (this._selectWordAtCursor(event, true)) {
+      this._activeSelectionMode = SelectionMode.WORD;
+    }
+  }
+
+  /**
+   * Performs a triple click, selecting the current line and activating line
+   * select mode.
+   * @param event The mouse event.
+   */
+  private _handleTripleClick(event: MouseEvent): void {
+    const coords = this._getMouseBufferCoords(event);
+    if (coords) {
+      this._activeSelectionMode = SelectionMode.LINE;
+      this._selectLineAt(coords[1]);
+    }
+  }
+
+  /**
+   * Returns whether the selection manager should operate in column select mode
+   * @param event the mouse or keyboard event
+   */
+  public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {
+    return event.altKey && !(Browser.isMac && this._optionsService.rawOptions.macOptionClickForcesSelection);
+  }
+
+  /**
+   * Handles the mousemove event when the mouse button is down, recording the
+   * end of the selection and refreshing the selection.
+   * @param event The mousemove event.
+   */
+  private _handleMouseMove(event: MouseEvent): void {
+    // If the mousemove listener is active it means that a selection is
+    // currently being made, we should stop propagation to prevent mouse events
+    // to be sent to the pty.
+    event.stopImmediatePropagation();
+
+    // Do nothing if there is no selection start, this can happen if the first
+    // click in the terminal is an incremental click
+    if (!this._model.selectionStart) {
+      return;
+    }
+
+    // Record the previous position so we know whether to redraw the selection
+    // at the end.
+    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;
+
+    // Set the initial selection end based on the mouse coordinates
+    this._model.selectionEnd = this._getMouseBufferCoords(event);
+    if (!this._model.selectionEnd) {
+      this.refresh(true);
+      return;
+    }
+
+    // Select the entire line if line select mode is active.
+    if (this._activeSelectionMode === SelectionMode.LINE) {
+      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {
+        this._model.selectionEnd[0] = 0;
+      } else {
+        this._model.selectionEnd[0] = this._bufferService.cols;
+      }
+    } else if (this._activeSelectionMode === SelectionMode.WORD) {
+      this._selectToWordAt(this._model.selectionEnd);
+    }
+
+    // Determine the amount of scrolling that will happen.
+    this._dragScrollAmount = this._getMouseEventScrollAmount(event);
+
+    // If the cursor was above or below the viewport, make sure it's at the
+    // start or end of the viewport respectively. This should only happen when
+    // NOT in column select mode.
+    if (this._activeSelectionMode !== SelectionMode.COLUMN) {
+      if (this._dragScrollAmount > 0) {
+        this._model.selectionEnd[0] = this._bufferService.cols;
+      } else if (this._dragScrollAmount < 0) {
+        this._model.selectionEnd[0] = 0;
+      }
+    }
+
+    // If the character is a wide character include the cell to the right in the
+    // selection. Note that selections at the very end of the line will never
+    // have a character.
+    const buffer = this._bufferService.buffer;
+    if (this._model.selectionEnd[1] < buffer.lines.length) {
+      const line = buffer.lines.get(this._model.selectionEnd[1]);
+      if (line && line.hasWidth(this._model.selectionEnd[0]) === 0) {
+        if (this._model.selectionEnd[0] < this._bufferService.cols) {
+          this._model.selectionEnd[0]++;
+        }
+      }
+    }
+
+    // Only draw here if the selection changes.
+    if (!previousSelectionEnd ||
+      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||
+      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {
+      this.refresh(true);
+    }
+  }
+
+  /**
+   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the
+   * scrolling of the viewport.
+   */
+  private _dragScroll(): void {
+    if (!this._model.selectionEnd || !this._model.selectionStart) {
+      return;
+    }
+    if (this._dragScrollAmount) {
+      this._onRequestScrollLines.fire({ amount: this._dragScrollAmount, suppressScrollEvent: false });
+      // Re-evaluate selection
+      // If the cursor was above or below the viewport, make sure it's at the
+      // start or end of the viewport respectively. This should only happen when
+      // NOT in column select mode.
+      const buffer = this._bufferService.buffer;
+      if (this._dragScrollAmount > 0) {
+        if (this._activeSelectionMode !== SelectionMode.COLUMN) {
+          this._model.selectionEnd[0] = this._bufferService.cols;
+        }
+        this._model.selectionEnd[1] = Math.min(buffer.ydisp + this._bufferService.rows, buffer.lines.length - 1);
+      } else {
+        if (this._activeSelectionMode !== SelectionMode.COLUMN) {
+          this._model.selectionEnd[0] = 0;
+        }
+        this._model.selectionEnd[1] = buffer.ydisp;
+      }
+      this.refresh();
+    }
+  }
+
+  /**
+   * Handles the mouseup event, removing the mousedown listeners.
+   * @param event The mouseup event.
+   */
+  private _handleMouseUp(event: MouseEvent): void {
+    const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;
+
+    this._removeMouseDownListeners();
+
+    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME && event.altKey && this._optionsService.rawOptions.altClickMovesCursor) {
+      if (this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {
+        const coordinates = this._mouseService.getCoords(
+          event,
+          this._element,
+          this._bufferService.cols,
+          this._bufferService.rows,
+          false
+        );
+        if (coordinates && coordinates[0] !== undefined && coordinates[1] !== undefined) {
+          const sequence = moveToCellSequence(coordinates[0] - 1, coordinates[1] - 1, this._bufferService, this._coreService.decPrivateModes.applicationCursorKeys);
+          this._coreService.triggerDataEvent(sequence, true);
+        }
+      }
+    } else {
+      this._fireEventIfSelectionChanged();
+    }
+  }
+
+  private _fireEventIfSelectionChanged(): void {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    const hasSelection = !!start && !!end && (start[0] !== end[0] || start[1] !== end[1]);
+
+    if (!hasSelection) {
+      if (this._oldHasSelection) {
+        this._fireOnSelectionChange(start, end, hasSelection);
+      }
+      return;
+    }
+
+    // Sanity check, these should not be undefined as there is a selection
+    if (!start || !end) {
+      return;
+    }
+
+    if (!this._oldSelectionStart || !this._oldSelectionEnd || (
+      start[0] !== this._oldSelectionStart[0] || start[1] !== this._oldSelectionStart[1] ||
+      end[0] !== this._oldSelectionEnd[0] || end[1] !== this._oldSelectionEnd[1])) {
+
+      this._fireOnSelectionChange(start, end, hasSelection);
+    }
+  }
+
+  private _fireOnSelectionChange(start: [number, number] | undefined, end: [number, number] | undefined, hasSelection: boolean): void {
+    this._oldSelectionStart = start;
+    this._oldSelectionEnd = end;
+    this._oldHasSelection = hasSelection;
+    this._onSelectionChange.fire();
+  }
+
+  private _handleBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {
+    this.clearSelection();
+    // Only adjust the selection on trim, shiftElements is rarely used (only in
+    // reverseIndex) and delete in a splice is only ever used when the same
+    // number of elements was just added. Given this is could actually be
+    // beneficial to leave the selection as is for these cases.
+    this._trimListener.dispose();
+    this._trimListener = e.activeBuffer.lines.onTrim(amount => this._handleTrim(amount));
+  }
+
+  /**
+   * Converts a viewport column (0 to cols - 1) to the character index on the
+   * buffer line, the latter takes into account wide and null characters.
+   * @param bufferLine The buffer line to use.
+   * @param x The x index in the buffer line to convert.
+   */
+  private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, x: number): number {
+    let charIndex = x;
+    for (let i = 0; x >= i; i++) {
+      const length = bufferLine.loadCell(i, this._workCell).getChars().length;
+      if (this._workCell.getWidth() === 0) {
+        // Wide characters aren't included in the line string so decrement the
+        // index so the index is back on the wide character.
+        charIndex--;
+      } else if (length > 1 && x !== i) {
+        // Emojis take up multiple characters, so adjust accordingly. For these
+        // we don't want ot include the character at the column as we're
+        // returning the start index in the string, not the end index.
+        charIndex += length - 1;
+      }
+    }
+    return charIndex;
+  }
+
+  public setSelection(col: number, row: number, length: number): void {
+    this._model.clearSelection();
+    this._removeMouseDownListeners();
+    this._model.selectionStart = [col, row];
+    this._model.selectionStartLength = length;
+    this.refresh();
+    this._fireEventIfSelectionChanged();
+  }
+
+  public rightClickSelect(ev: MouseEvent): void {
+    if (!this._isClickInSelection(ev)) {
+      if (this._selectWordAtCursor(ev, false)) {
+        this.refresh(true);
+      }
+      this._fireEventIfSelectionChanged();
+    }
+  }
+
+  /**
+   * Gets positional information for the word at the coordinated specified.
+   * @param coords The coordinates to get the word at.
+   */
+  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition | undefined {
+    // Ensure coords are within viewport (eg. not within scroll bar)
+    if (coords[0] >= this._bufferService.cols) {
+      return undefined;
+    }
+
+    const buffer = this._bufferService.buffer;
+    const bufferLine = buffer.lines.get(coords[1]);
+    if (!bufferLine) {
+      return undefined;
+    }
+
+    const line = buffer.translateBufferLineToString(coords[1], false);
+
+    // Get actual index, taking into consideration wide characters
+    let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords[0]);
+    let endIndex = startIndex;
+
+    // Record offset to be used later
+    const charOffset = coords[0] - startIndex;
+    let leftWideCharCount = 0;
+    let rightWideCharCount = 0;
+    let leftLongCharOffset = 0;
+    let rightLongCharOffset = 0;
+
+    if (line.charAt(startIndex) === ' ') {
+      // Expand until non-whitespace is hit
+      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {
+        startIndex--;
+      }
+      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {
+        endIndex++;
+      }
+    } else {
+      // Expand until whitespace is hit. This algorithm works by scanning left
+      // and right from the starting position, keeping both the index format
+      // (line) and the column format (bufferLine) in sync. When a wide
+      // character is hit, it is recorded and the column index is adjusted.
+      let startCol = coords[0];
+      let endCol = coords[0];
+
+      // Consider the initial position, skip it and increment the wide char
+      // variable
+      if (bufferLine.getWidth(startCol) === 0) {
+        leftWideCharCount++;
+        startCol--;
+      }
+      if (bufferLine.getWidth(endCol) === 2) {
+        rightWideCharCount++;
+        endCol++;
+      }
+
+      // Adjust the end index for characters whose length are > 1 (emojis)
+      const length = bufferLine.getString(endCol).length;
+      if (length > 1) {
+        rightLongCharOffset += length - 1;
+        endIndex += length - 1;
+      }
+
+      // Expand the string in both directions until a space is hit
+      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {
+        bufferLine.loadCell(startCol - 1, this._workCell);
+        const length = this._workCell.getChars().length;
+        if (this._workCell.getWidth() === 0) {
+          // If the next character is a wide char, record it and skip the column
+          leftWideCharCount++;
+          startCol--;
+        } else if (length > 1) {
+          // If the next character's string is longer than 1 char (eg. emoji),
+          // adjust the index
+          leftLongCharOffset += length - 1;
+          startIndex -= length - 1;
+        }
+        startIndex--;
+        startCol--;
+      }
+      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {
+        bufferLine.loadCell(endCol + 1, this._workCell);
+        const length = this._workCell.getChars().length;
+        if (this._workCell.getWidth() === 2) {
+          // If the next character is a wide char, record it and skip the column
+          rightWideCharCount++;
+          endCol++;
+        } else if (length > 1) {
+          // If the next character's string is longer than 1 char (eg. emoji),
+          // adjust the index
+          rightLongCharOffset += length - 1;
+          endIndex += length - 1;
+        }
+        endIndex++;
+        endCol++;
+      }
+    }
+
+    // Incremenet the end index so it is at the start of the next character
+    endIndex++;
+
+    // Calculate the start _column_, converting the the string indexes back to
+    // column coordinates.
+    let start =
+        startIndex // The index of the selection's start char in the line string
+        + charOffset // The difference between the initial char's column and index
+        - leftWideCharCount // The number of wide chars left of the initial char
+        + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
+
+    // Calculate the length in _columns_, converting the the string indexes back
+    // to column coordinates.
+    let length = Math.min(this._bufferService.cols, // Disallow lengths larger than the terminal cols
+      endIndex // The index of the selection's end char in the line string
+      - startIndex // The index of the selection's start char in the line string
+      + leftWideCharCount // The number of wide chars left of the initial char
+      + rightWideCharCount // The number of wide chars right of the initial char (inclusive)
+      - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
+      - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)
+
+    if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {
+      return undefined;
+    }
+
+    // Recurse upwards if the line is wrapped and the word wraps to the above line
+    if (followWrappedLinesAbove) {
+      if (start === 0 && bufferLine.getCodePoint(0) !== 32 /* ' ' */) {
+        const previousBufferLine = buffer.lines.get(coords[1] - 1);
+        if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {
+          const previousLineWordPosition = this._getWordAt([this._bufferService.cols - 1, coords[1] - 1], false, true, false);
+          if (previousLineWordPosition) {
+            const offset = this._bufferService.cols - previousLineWordPosition.start;
+            start -= offset;
+            length += offset;
+          }
+        }
+      }
+    }
+
+    // Recurse downwards if the line is wrapped and the word wraps to the next line
+    if (followWrappedLinesBelow) {
+      if (start + length === this._bufferService.cols && bufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {
+        const nextBufferLine = buffer.lines.get(coords[1] + 1);
+        if (nextBufferLine?.isWrapped && nextBufferLine.getCodePoint(0) !== 32 /* ' ' */) {
+          const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);
+          if (nextLineWordPosition) {
+            length += nextLineWordPosition.length;
+          }
+        }
+      }
+    }
+
+    return { start, length };
+  }
+
+  /**
+   * Selects the word at the coordinates specified.
+   * @param coords The coordinates to get the word at.
+   * @param allowWhitespaceOnlySelection If whitespace should be selected
+   */
+  protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {
+    const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);
+    if (wordPosition) {
+      // Adjust negative start value
+      while (wordPosition.start < 0) {
+        wordPosition.start += this._bufferService.cols;
+        coords[1]--;
+      }
+      this._model.selectionStart = [wordPosition.start, coords[1]];
+      this._model.selectionStartLength = wordPosition.length;
+    }
+  }
+
+  /**
+   * Sets the selection end to the word at the coordinated specified.
+   * @param coords The coordinates to get the word at.
+   */
+  private _selectToWordAt(coords: [number, number]): void {
+    const wordPosition = this._getWordAt(coords, true);
+    if (wordPosition) {
+      let endRow = coords[1];
+
+      // Adjust negative start value
+      while (wordPosition.start < 0) {
+        wordPosition.start += this._bufferService.cols;
+        endRow--;
+      }
+
+      // Adjust wrapped length value, this only needs to happen when values are reversed as in that
+      // case we're interested in the start of the word, not the end
+      if (!this._model.areSelectionValuesReversed()) {
+        while (wordPosition.start + wordPosition.length > this._bufferService.cols) {
+          wordPosition.length -= this._bufferService.cols;
+          endRow++;
+        }
+      }
+
+      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];
+    }
+  }
+
+  /**
+   * Gets whether the character is considered a word separator by the select
+   * word logic.
+   * @param cell The cell to check.
+   */
+  private _isCharWordSeparator(cell: CellData): boolean {
+    // Zero width characters are never separators as they are always to the
+    // right of wide characters
+    if (cell.getWidth() === 0) {
+      return false;
+    }
+    return this._optionsService.rawOptions.wordSeparator.indexOf(cell.getChars()) >= 0;
+  }
+
+  /**
+   * Selects the line specified.
+   * @param line The line index.
+   */
+  protected _selectLineAt(line: number): void {
+    const wrappedRange = this._bufferService.buffer.getWrappedRangeForLine(line);
+    const range: IBufferRange = {
+      start: { x: 0, y: wrappedRange.first },
+      end: { x: this._bufferService.cols - 1, y: wrappedRange.last }
+    };
+    this._model.selectionStart = [0, wrappedRange.first];
+    this._model.selectionEnd = undefined;
+    this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/Services.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/Services.ts
new file mode 100644
index 000000000..a82eabd09
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/Services.ts
@@ -0,0 +1,158 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent } from 'common/EventEmitter';
+import { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';
+import { IColorSet, ILink, ReadonlyColorSet } from 'browser/Types';
+import { ISelectionRedrawRequestEvent as ISelectionRequestRedrawEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';
+import { createDecorator } from 'common/services/ServiceRegistry';
+import { AllColorIndex, IDisposable } from 'common/Types';
+
+export const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');
+export interface ICharSizeService {
+  serviceBrand: undefined;
+
+  readonly width: number;
+  readonly height: number;
+  readonly hasValidSize: boolean;
+
+  readonly onCharSizeChange: IEvent<void>;
+
+  measure(): void;
+}
+
+export const ICoreBrowserService = createDecorator<ICoreBrowserService>('CoreBrowserService');
+export interface ICoreBrowserService {
+  serviceBrand: undefined;
+
+  readonly isFocused: boolean;
+
+  readonly onDprChange: IEvent<number>;
+  readonly onWindowChange: IEvent<Window & typeof globalThis>;
+
+  /**
+   * Gets or sets the parent window that the terminal is rendered into. DOM and rendering APIs (e.g.
+   * requestAnimationFrame) should be invoked in the context of this window. This should be set when
+   * the window hosting the xterm.js instance changes.
+   */
+  window: Window & typeof globalThis;
+  /**
+   * The document of the primary window to be used to create elements when working with multiple
+   * windows. This is defined by the documentOverride setting.
+   */
+  readonly mainDocument: Document;
+  /**
+   * Helper for getting the devicePixelRatio of the parent window.
+   */
+  readonly dpr: number;
+}
+
+export const IMouseService = createDecorator<IMouseService>('MouseService');
+export interface IMouseService {
+  serviceBrand: undefined;
+
+  getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined;
+  getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined;
+}
+
+export const IRenderService = createDecorator<IRenderService>('RenderService');
+export interface IRenderService extends IDisposable {
+  serviceBrand: undefined;
+
+  onDimensionsChange: IEvent<IRenderDimensions>;
+  /**
+   * Fires when buffer changes are rendered. This does not fire when only cursor
+   * or selections are rendered.
+   */
+  onRenderedViewportChange: IEvent<{ start: number, end: number }>;
+  /**
+   * Fires on render
+   */
+  onRender: IEvent<{ start: number, end: number }>;
+  onRefreshRequest: IEvent<{ start: number, end: number }>;
+
+  dimensions: IRenderDimensions;
+
+  addRefreshCallback(callback: FrameRequestCallback): number;
+
+  refreshRows(start: number, end: number): void;
+  clearTextureAtlas(): void;
+  resize(cols: number, rows: number): void;
+  hasRenderer(): boolean;
+  setRenderer(renderer: IRenderer): void;
+  handleDevicePixelRatioChange(): void;
+  handleResize(cols: number, rows: number): void;
+  handleCharSizeChanged(): void;
+  handleBlur(): void;
+  handleFocus(): void;
+  handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void;
+  handleCursorMove(): void;
+  clear(): void;
+}
+
+export const ISelectionService = createDecorator<ISelectionService>('SelectionService');
+export interface ISelectionService {
+  serviceBrand: undefined;
+
+  readonly selectionText: string;
+  readonly hasSelection: boolean;
+  readonly selectionStart: [number, number] | undefined;
+  readonly selectionEnd: [number, number] | undefined;
+
+  readonly onLinuxMouseSelection: IEvent<string>;
+  readonly onRequestRedraw: IEvent<ISelectionRequestRedrawEvent>;
+  readonly onRequestScrollLines: IEvent<ISelectionRequestScrollLinesEvent>;
+  readonly onSelectionChange: IEvent<void>;
+
+  disable(): void;
+  enable(): void;
+  reset(): void;
+  setSelection(row: number, col: number, length: number): void;
+  selectAll(): void;
+  selectLines(start: number, end: number): void;
+  clearSelection(): void;
+  rightClickSelect(event: MouseEvent): void;
+  shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean;
+  shouldForceSelection(event: MouseEvent): boolean;
+  refresh(isLinuxMouseSelection?: boolean): void;
+  handleMouseDown(event: MouseEvent): void;
+  isCellInSelection(x: number, y: number): boolean;
+}
+
+export const ICharacterJoinerService = createDecorator<ICharacterJoinerService>('CharacterJoinerService');
+export interface ICharacterJoinerService {
+  serviceBrand: undefined;
+
+  register(handler: (text: string) => [number, number][]): number;
+  deregister(joinerId: number): boolean;
+  getJoinedCharacters(row: number): [number, number][];
+}
+
+export const IThemeService = createDecorator<IThemeService>('ThemeService');
+export interface IThemeService {
+  serviceBrand: undefined;
+
+  readonly colors: ReadonlyColorSet;
+
+  readonly onChangeColors: IEvent<ReadonlyColorSet>;
+
+  restoreColor(slot?: AllColorIndex): void;
+  /**
+   * Allows external modifying of colors in the theme, this is used instead of {@link colors} to
+   * prevent accidental writes.
+   */
+  modifyColors(callback: (colors: IColorSet) => void): void;
+}
+
+
+export const ILinkProviderService = createDecorator<ILinkProviderService>('LinkProviderService');
+export interface ILinkProviderService extends IDisposable {
+  serviceBrand: undefined;
+  readonly linkProviders: ReadonlyArray<ILinkProvider>;
+  registerLinkProvider(linkProvider: ILinkProvider): IDisposable;
+}
+export interface ILinkProvider {
+  provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/browser/services/ThemeService.ts b/web/public/node_modules/@xterm/xterm/src/browser/services/ThemeService.ts
new file mode 100644
index 000000000..199b3ace5
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/browser/services/ThemeService.ts
@@ -0,0 +1,237 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ColorContrastCache } from 'browser/ColorContrastCache';
+import { IThemeService } from 'browser/services/Services';
+import { IColorContrastCache, IColorSet, ReadonlyColorSet } from 'browser/Types';
+import { channels, color, css, NULL_COLOR } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IOptionsService, ITheme } from 'common/services/Services';
+import { AllColorIndex, IColor, SpecialColorIndex } from 'common/Types';
+
+interface IRestoreColorSet {
+  foreground: IColor;
+  background: IColor;
+  cursor: IColor;
+  ansi: IColor[];
+}
+
+
+const DEFAULT_FOREGROUND = css.toColor('#ffffff');
+const DEFAULT_BACKGROUND = css.toColor('#000000');
+const DEFAULT_CURSOR = css.toColor('#ffffff');
+const DEFAULT_CURSOR_ACCENT = css.toColor('#000000');
+const DEFAULT_SELECTION = {
+  css: 'rgba(255, 255, 255, 0.3)',
+  rgba: 0xFFFFFF4D
+};
+
+// An IIFE to generate DEFAULT_ANSI_COLORS.
+export const DEFAULT_ANSI_COLORS = Object.freeze((() => {
+  const colors = [
+    // dark:
+    css.toColor('#2e3436'),
+    css.toColor('#cc0000'),
+    css.toColor('#4e9a06'),
+    css.toColor('#c4a000'),
+    css.toColor('#3465a4'),
+    css.toColor('#75507b'),
+    css.toColor('#06989a'),
+    css.toColor('#d3d7cf'),
+    // bright:
+    css.toColor('#555753'),
+    css.toColor('#ef2929'),
+    css.toColor('#8ae234'),
+    css.toColor('#fce94f'),
+    css.toColor('#729fcf'),
+    css.toColor('#ad7fa8'),
+    css.toColor('#34e2e2'),
+    css.toColor('#eeeeec')
+  ];
+
+  // Fill in the remaining 240 ANSI colors.
+  // Generate colors (16-231)
+  const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
+  for (let i = 0; i < 216; i++) {
+    const r = v[(i / 36) % 6 | 0];
+    const g = v[(i / 6) % 6 | 0];
+    const b = v[i % 6];
+    colors.push({
+      css: channels.toCss(r, g, b),
+      rgba: channels.toRgba(r, g, b)
+    });
+  }
+
+  // Generate greys (232-255)
+  for (let i = 0; i < 24; i++) {
+    const c = 8 + i * 10;
+    colors.push({
+      css: channels.toCss(c, c, c),
+      rgba: channels.toRgba(c, c, c)
+    });
+  }
+
+  return colors;
+})());
+
+export class ThemeService extends Disposable implements IThemeService {
+  public serviceBrand: undefined;
+
+  private _colors: IColorSet;
+  private _contrastCache: IColorContrastCache = new ColorContrastCache();
+  private _halfContrastCache: IColorContrastCache = new ColorContrastCache();
+  private _restoreColors!: IRestoreColorSet;
+
+  public get colors(): ReadonlyColorSet { return this._colors; }
+
+  private readonly _onChangeColors = this.register(new EventEmitter<ReadonlyColorSet>());
+  public readonly onChangeColors = this._onChangeColors.event;
+
+  constructor(
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+
+    this._colors = {
+      foreground: DEFAULT_FOREGROUND,
+      background: DEFAULT_BACKGROUND,
+      cursor: DEFAULT_CURSOR,
+      cursorAccent: DEFAULT_CURSOR_ACCENT,
+      selectionForeground: undefined,
+      selectionBackgroundTransparent: DEFAULT_SELECTION,
+      selectionBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),
+      selectionInactiveBackgroundTransparent: DEFAULT_SELECTION,
+      selectionInactiveBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),
+      ansi: DEFAULT_ANSI_COLORS.slice(),
+      contrastCache: this._contrastCache,
+      halfContrastCache: this._halfContrastCache
+    };
+    this._updateRestoreColors();
+    this._setTheme(this._optionsService.rawOptions.theme);
+
+    this.register(this._optionsService.onSpecificOptionChange('minimumContrastRatio', () => this._contrastCache.clear()));
+    this.register(this._optionsService.onSpecificOptionChange('theme', () => this._setTheme(this._optionsService.rawOptions.theme)));
+  }
+
+  /**
+   * Sets the terminal's theme.
+   * @param theme The  theme to use. If a partial theme is provided then default
+   * colors will be used where colors are not defined.
+   */
+  private _setTheme(theme: ITheme = {}): void {
+    const colors = this._colors;
+    colors.foreground = parseColor(theme.foreground, DEFAULT_FOREGROUND);
+    colors.background = parseColor(theme.background, DEFAULT_BACKGROUND);
+    colors.cursor = parseColor(theme.cursor, DEFAULT_CURSOR);
+    colors.cursorAccent = parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT);
+    colors.selectionBackgroundTransparent = parseColor(theme.selectionBackground, DEFAULT_SELECTION);
+    colors.selectionBackgroundOpaque = color.blend(colors.background, colors.selectionBackgroundTransparent);
+    colors.selectionInactiveBackgroundTransparent = parseColor(theme.selectionInactiveBackground, colors.selectionBackgroundTransparent);
+    colors.selectionInactiveBackgroundOpaque = color.blend(colors.background, colors.selectionInactiveBackgroundTransparent);
+    colors.selectionForeground = theme.selectionForeground ? parseColor(theme.selectionForeground, NULL_COLOR) : undefined;
+    if (colors.selectionForeground === NULL_COLOR) {
+      colors.selectionForeground = undefined;
+    }
+
+    /**
+     * If selection color is opaque, blend it with background with 0.3 opacity
+     * Issue #2737
+     */
+    if (color.isOpaque(colors.selectionBackgroundTransparent)) {
+      const opacity = 0.3;
+      colors.selectionBackgroundTransparent = color.opacity(colors.selectionBackgroundTransparent, opacity);
+    }
+    if (color.isOpaque(colors.selectionInactiveBackgroundTransparent)) {
+      const opacity = 0.3;
+      colors.selectionInactiveBackgroundTransparent = color.opacity(colors.selectionInactiveBackgroundTransparent, opacity);
+    }
+    colors.ansi = DEFAULT_ANSI_COLORS.slice();
+    colors.ansi[0] = parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);
+    colors.ansi[1] = parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);
+    colors.ansi[2] = parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);
+    colors.ansi[3] = parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);
+    colors.ansi[4] = parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);
+    colors.ansi[5] = parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);
+    colors.ansi[6] = parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);
+    colors.ansi[7] = parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);
+    colors.ansi[8] = parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);
+    colors.ansi[9] = parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);
+    colors.ansi[10] = parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);
+    colors.ansi[11] = parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);
+    colors.ansi[12] = parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);
+    colors.ansi[13] = parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);
+    colors.ansi[14] = parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);
+    colors.ansi[15] = parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);
+    if (theme.extendedAnsi) {
+      const colorCount = Math.min(colors.ansi.length - 16, theme.extendedAnsi.length);
+      for (let i = 0; i < colorCount; i++) {
+        colors.ansi[i + 16] = parseColor(theme.extendedAnsi[i], DEFAULT_ANSI_COLORS[i + 16]);
+      }
+    }
+    // Clear our the cache
+    this._contrastCache.clear();
+    this._halfContrastCache.clear();
+    this._updateRestoreColors();
+    this._onChangeColors.fire(this.colors);
+  }
+
+  public restoreColor(slot?: AllColorIndex): void {
+    this._restoreColor(slot);
+    this._onChangeColors.fire(this.colors);
+  }
+
+  private _restoreColor(slot: AllColorIndex | undefined): void {
+    // unset slot restores all ansi colors
+    if (slot === undefined) {
+      for (let i = 0; i < this._restoreColors.ansi.length; ++i) {
+        this._colors.ansi[i] = this._restoreColors.ansi[i];
+      }
+      return;
+    }
+    switch (slot) {
+      case SpecialColorIndex.FOREGROUND:
+        this._colors.foreground = this._restoreColors.foreground;
+        break;
+      case SpecialColorIndex.BACKGROUND:
+        this._colors.background = this._restoreColors.background;
+        break;
+      case SpecialColorIndex.CURSOR:
+        this._colors.cursor = this._restoreColors.cursor;
+        break;
+      default:
+        this._colors.ansi[slot] = this._restoreColors.ansi[slot];
+    }
+  }
+
+  public modifyColors(callback: (colors: IColorSet) => void): void {
+    callback(this._colors);
+    // Assume the change happened
+    this._onChangeColors.fire(this.colors);
+  }
+
+  private _updateRestoreColors(): void {
+    this._restoreColors = {
+      foreground: this._colors.foreground,
+      background: this._colors.background,
+      cursor: this._colors.cursor,
+      ansi: this._colors.ansi.slice()
+    };
+  }
+}
+
+function parseColor(
+  cssString: string | undefined,
+  fallback: IColor
+): IColor {
+  if (cssString !== undefined) {
+    try {
+      return css.toColor(cssString);
+    } catch {
+      // no-op
+    }
+  }
+  return fallback;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/CircularList.ts b/web/public/node_modules/@xterm/xterm/src/common/CircularList.ts
new file mode 100644
index 000000000..622a1eff9
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/CircularList.ts
@@ -0,0 +1,241 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICircularList } from 'common/Types';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+
+export interface IInsertEvent {
+  index: number;
+  amount: number;
+}
+
+export interface IDeleteEvent {
+  index: number;
+  amount: number;
+}
+
+/**
+ * Represents a circular list; a list with a maximum size that wraps around when push is called,
+ * overriding values at the start of the list.
+ */
+export class CircularList<T> extends Disposable implements ICircularList<T> {
+  protected _array: (T | undefined)[];
+  private _startIndex: number;
+  private _length: number;
+
+  public readonly onDeleteEmitter = this.register(new EventEmitter<IDeleteEvent>());
+  public readonly onDelete = this.onDeleteEmitter.event;
+  public readonly onInsertEmitter = this.register(new EventEmitter<IInsertEvent>());
+  public readonly onInsert = this.onInsertEmitter.event;
+  public readonly onTrimEmitter = this.register(new EventEmitter<number>());
+  public readonly onTrim = this.onTrimEmitter.event;
+
+  constructor(
+    private _maxLength: number
+  ) {
+    super();
+    this._array = new Array<T>(this._maxLength);
+    this._startIndex = 0;
+    this._length = 0;
+  }
+
+  public get maxLength(): number {
+    return this._maxLength;
+  }
+
+  public set maxLength(newMaxLength: number) {
+    // There was no change in maxLength, return early.
+    if (this._maxLength === newMaxLength) {
+      return;
+    }
+
+    // Reconstruct array, starting at index 0. Only transfer values from the
+    // indexes 0 to length.
+    const newArray = new Array<T | undefined>(newMaxLength);
+    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {
+      newArray[i] = this._array[this._getCyclicIndex(i)];
+    }
+    this._array = newArray;
+    this._maxLength = newMaxLength;
+    this._startIndex = 0;
+  }
+
+  public get length(): number {
+    return this._length;
+  }
+
+  public set length(newLength: number) {
+    if (newLength > this._length) {
+      for (let i = this._length; i < newLength; i++) {
+        this._array[i] = undefined;
+      }
+    }
+    this._length = newLength;
+  }
+
+  /**
+   * Gets the value at an index.
+   *
+   * Note that for performance reasons there is no bounds checking here, the index reference is
+   * circular so this should always return a value and never throw.
+   * @param index The index of the value to get.
+   * @returns The value corresponding to the index.
+   */
+  public get(index: number): T | undefined {
+    return this._array[this._getCyclicIndex(index)];
+  }
+
+  /**
+   * Sets the value at an index.
+   *
+   * Note that for performance reasons there is no bounds checking here, the index reference is
+   * circular so this should always return a value and never throw.
+   * @param index The index to set.
+   * @param value The value to set.
+   */
+  public set(index: number, value: T | undefined): void {
+    this._array[this._getCyclicIndex(index)] = value;
+  }
+
+  /**
+   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0
+   * if the maximum length is reached.
+   * @param value The value to push onto the list.
+   */
+  public push(value: T): void {
+    this._array[this._getCyclicIndex(this._length)] = value;
+    if (this._length === this._maxLength) {
+      this._startIndex = ++this._startIndex % this._maxLength;
+      this.onTrimEmitter.fire(1);
+    } else {
+      this._length++;
+    }
+  }
+
+  /**
+   * Advance ringbuffer index and return current element for recycling.
+   * Note: The buffer must be full for this method to work.
+   * @throws When the buffer is not full.
+   */
+  public recycle(): T {
+    if (this._length !== this._maxLength) {
+      throw new Error('Can only recycle when the buffer is full');
+    }
+    this._startIndex = ++this._startIndex % this._maxLength;
+    this.onTrimEmitter.fire(1);
+    return this._array[this._getCyclicIndex(this._length - 1)]!;
+  }
+
+  /**
+   * Ringbuffer is at max length.
+   */
+  public get isFull(): boolean {
+    return this._length === this._maxLength;
+  }
+
+  /**
+   * Removes and returns the last value on the list.
+   * @returns The popped value.
+   */
+  public pop(): T | undefined {
+    return this._array[this._getCyclicIndex(this._length-- - 1)];
+  }
+
+  /**
+   * Deletes and/or inserts items at a particular index (in that order). Unlike
+   * Array.prototype.splice, this operation does not return the deleted items as a new array in
+   * order to save creating a new array. Note that this operation may shift all values in the list
+   * in the worst case.
+   * @param start The index to delete and/or insert.
+   * @param deleteCount The number of elements to delete.
+   * @param items The items to insert.
+   */
+  public splice(start: number, deleteCount: number, ...items: T[]): void {
+    // Delete items
+    if (deleteCount) {
+      for (let i = start; i < this._length - deleteCount; i++) {
+        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
+      }
+      this._length -= deleteCount;
+      this.onDeleteEmitter.fire({ index: start, amount: deleteCount });
+    }
+
+    // Add items
+    for (let i = this._length - 1; i >= start; i--) {
+      this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];
+    }
+    for (let i = 0; i < items.length; i++) {
+      this._array[this._getCyclicIndex(start + i)] = items[i];
+    }
+    if (items.length) {
+      this.onInsertEmitter.fire({ index: start, amount: items.length });
+    }
+
+    // Adjust length as needed
+    if (this._length + items.length > this._maxLength) {
+      const countToTrim = (this._length + items.length) - this._maxLength;
+      this._startIndex += countToTrim;
+      this._length = this._maxLength;
+      this.onTrimEmitter.fire(countToTrim);
+    } else {
+      this._length += items.length;
+    }
+  }
+
+  /**
+   * Trims a number of items from the start of the list.
+   * @param count The number of items to remove.
+   */
+  public trimStart(count: number): void {
+    if (count > this._length) {
+      count = this._length;
+    }
+    this._startIndex += count;
+    this._length -= count;
+    this.onTrimEmitter.fire(count);
+  }
+
+  public shiftElements(start: number, count: number, offset: number): void {
+    if (count <= 0) {
+      return;
+    }
+    if (start < 0 || start >= this._length) {
+      throw new Error('start argument out of range');
+    }
+    if (start + offset < 0) {
+      throw new Error('Cannot shift elements in list beyond index 0');
+    }
+
+    if (offset > 0) {
+      for (let i = count - 1; i >= 0; i--) {
+        this.set(start + i + offset, this.get(start + i));
+      }
+      const expandListBy = (start + count + offset) - this._length;
+      if (expandListBy > 0) {
+        this._length += expandListBy;
+        while (this._length > this._maxLength) {
+          this._length--;
+          this._startIndex++;
+          this.onTrimEmitter.fire(1);
+        }
+      }
+    } else {
+      for (let i = 0; i < count; i++) {
+        this.set(start + i + offset, this.get(start + i));
+      }
+    }
+  }
+
+  /**
+   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the
+   * backing array to get the element associated with the regular index.
+   * @param index The regular index.
+   * @returns The cyclic index.
+   */
+  private _getCyclicIndex(index: number): number {
+    return (this._startIndex + index) % this._maxLength;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/Clone.ts b/web/public/node_modules/@xterm/xterm/src/common/Clone.ts
new file mode 100644
index 000000000..37821fe02
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/Clone.ts
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/*
+ * A simple utility for cloning values
+ */
+export function clone<T>(val: T, depth: number = 5): T {
+  if (typeof val !== 'object') {
+    return val;
+  }
+
+  // If we're cloning an array, use an array as the base, otherwise use an object
+  const clonedObject: any = Array.isArray(val) ? [] : {};
+
+  for (const key in val) {
+    // Recursively clone eack item unless we're at the maximum depth
+    clonedObject[key] = depth <= 1 ? val[key] : (val[key] && clone(val[key], depth - 1));
+  }
+
+  return clonedObject as T;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/Color.ts b/web/public/node_modules/@xterm/xterm/src/common/Color.ts
new file mode 100644
index 000000000..b7b3ff47f
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/Color.ts
@@ -0,0 +1,376 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IColor, IColorRGB } from 'common/Types';
+
+let $r = 0;
+let $g = 0;
+let $b = 0;
+let $a = 0;
+
+export const NULL_COLOR: IColor = {
+  css: '#00000000',
+  rgba: 0
+};
+
+/**
+ * Helper functions where the source type is "channels" (individual color channels as numbers).
+ */
+export namespace channels {
+  export function toCss(r: number, g: number, b: number, a?: number): string {
+    if (a !== undefined) {
+      return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;
+    }
+    return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;
+  }
+
+  export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {
+    // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32
+    // on LE systems, before it can be used for direct 32-bit buffer writes.
+    // >>> 0 forces an unsigned int
+    return (r << 24 | g << 16 | b << 8 | a) >>> 0;
+  }
+
+  export function toColor(r: number, g: number, b: number, a?: number): IColor {
+    return {
+      css: channels.toCss(r, g, b, a),
+      rgba: channels.toRgba(r, g, b, a)
+    };
+  }
+}
+
+/**
+ * Helper functions where the source type is `IColor`.
+ */
+export namespace color {
+  export function blend(bg: IColor, fg: IColor): IColor {
+    $a = (fg.rgba & 0xFF) / 255;
+    if ($a === 1) {
+      return {
+        css: fg.css,
+        rgba: fg.rgba
+      };
+    }
+    const fgR = (fg.rgba >> 24) & 0xFF;
+    const fgG = (fg.rgba >> 16) & 0xFF;
+    const fgB = (fg.rgba >> 8) & 0xFF;
+    const bgR = (bg.rgba >> 24) & 0xFF;
+    const bgG = (bg.rgba >> 16) & 0xFF;
+    const bgB = (bg.rgba >> 8) & 0xFF;
+    $r = bgR + Math.round((fgR - bgR) * $a);
+    $g = bgG + Math.round((fgG - bgG) * $a);
+    $b = bgB + Math.round((fgB - bgB) * $a);
+    const css = channels.toCss($r, $g, $b);
+    const rgba = channels.toRgba($r, $g, $b);
+    return { css, rgba };
+  }
+
+  export function isOpaque(color: IColor): boolean {
+    return (color.rgba & 0xFF) === 0xFF;
+  }
+
+  export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {
+    const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);
+    if (!result) {
+      return undefined;
+    }
+    return channels.toColor(
+      (result >> 24 & 0xFF),
+      (result >> 16 & 0xFF),
+      (result >> 8  & 0xFF)
+    );
+  }
+
+  export function opaque(color: IColor): IColor {
+    const rgbaColor = (color.rgba | 0xFF) >>> 0;
+    [$r, $g, $b] = rgba.toChannels(rgbaColor);
+    return {
+      css: channels.toCss($r, $g, $b),
+      rgba: rgbaColor
+    };
+  }
+
+  export function opacity(color: IColor, opacity: number): IColor {
+    $a = Math.round(opacity * 0xFF);
+    [$r, $g, $b] = rgba.toChannels(color.rgba);
+    return {
+      css: channels.toCss($r, $g, $b, $a),
+      rgba: channels.toRgba($r, $g, $b, $a)
+    };
+  }
+
+  export function multiplyOpacity(color: IColor, factor: number): IColor {
+    $a = color.rgba & 0xFF;
+    return opacity(color, ($a * factor) / 0xFF);
+  }
+
+  export function toColorRGB(color: IColor): IColorRGB {
+    return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];
+  }
+}
+
+/**
+ * Helper functions where the source type is "css" (string: '#rgb', '#rgba', '#rrggbb',
+ * '#rrggbbaa').
+ */
+export namespace css {
+  // Attempt to set get the shared canvas context
+  let $ctx: CanvasRenderingContext2D | undefined;
+  let $litmusColor: CanvasGradient | undefined;
+  try {
+    // This is guaranteed to run in the first window, so document should be correct
+    const canvas = document.createElement('canvas');
+    canvas.width = 1;
+    canvas.height = 1;
+    const ctx = canvas.getContext('2d', {
+      willReadFrequently: true
+    });
+    if (ctx) {
+      $ctx = ctx;
+      $ctx.globalCompositeOperation = 'copy';
+      $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);
+    }
+  }
+  catch {
+    // noop
+  }
+
+  /**
+   * Converts a css string to an IColor, this should handle all valid CSS color strings and will
+   * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.
+   *
+   * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node
+   * environment.
+   */
+  export function toColor(css: string): IColor {
+    // Formats: #rgb[a] and #rrggbb[aa]
+    if (css.match(/#[\da-f]{3,8}/i)) {
+      switch (css.length) {
+        case 4: { // #rgb
+          $r = parseInt(css.slice(1, 2).repeat(2), 16);
+          $g = parseInt(css.slice(2, 3).repeat(2), 16);
+          $b = parseInt(css.slice(3, 4).repeat(2), 16);
+          return channels.toColor($r, $g, $b);
+        }
+        case 5: { // #rgba
+          $r = parseInt(css.slice(1, 2).repeat(2), 16);
+          $g = parseInt(css.slice(2, 3).repeat(2), 16);
+          $b = parseInt(css.slice(3, 4).repeat(2), 16);
+          $a = parseInt(css.slice(4, 5).repeat(2), 16);
+          return channels.toColor($r, $g, $b, $a);
+        }
+        case 7: // #rrggbb
+          return {
+            css,
+            rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0
+          };
+        case 9: // #rrggbbaa
+          return {
+            css,
+            rgba: parseInt(css.slice(1), 16) >>> 0
+          };
+      }
+    }
+
+    // Formats: rgb() or rgba()
+    const rgbaMatch = css.match(/rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(,\s*(0|1|\d?\.(\d+))\s*)?\)/);
+    if (rgbaMatch) {
+      $r = parseInt(rgbaMatch[1]);
+      $g = parseInt(rgbaMatch[2]);
+      $b = parseInt(rgbaMatch[3]);
+      $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);
+      return channels.toColor($r, $g, $b, $a);
+    }
+
+    // Validate the context is available for canvas-based color parsing
+    if (!$ctx || !$litmusColor) {
+      throw new Error('css.toColor: Unsupported css format');
+    }
+
+    // Validate the color using canvas fillStyle
+    // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles
+    $ctx.fillStyle = $litmusColor;
+    $ctx.fillStyle = css;
+    if (typeof $ctx.fillStyle !== 'string') {
+      throw new Error('css.toColor: Unsupported css format');
+    }
+
+    $ctx.fillRect(0, 0, 1, 1);
+    [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;
+
+    // Validate the color is non-transparent as color hue gets lost when drawn to the canvas
+    if ($a !== 0xFF) {
+      throw new Error('css.toColor: Unsupported css format');
+    }
+
+    // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()
+    // format
+    // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color
+    return {
+      rgba: channels.toRgba($r, $g, $b, $a),
+      css
+    };
+  }
+}
+
+/**
+ * Helper functions where the source type is "rgb" (number: 0xrrggbb).
+ */
+export namespace rgb {
+  /**
+   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio
+   * between two colors.
+   * @param rgb The color to use.
+   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef
+   */
+  export function relativeLuminance(rgb: number): number {
+    return relativeLuminance2(
+      (rgb >> 16) & 0xFF,
+      (rgb >> 8 ) & 0xFF,
+      (rgb      ) & 0xFF);
+  }
+
+  /**
+   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio
+   * between two colors.
+   * @param r The red channel (0x00 to 0xFF).
+   * @param g The green channel (0x00 to 0xFF).
+   * @param b The blue channel (0x00 to 0xFF).
+   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef
+   */
+  export function relativeLuminance2(r: number, g: number, b: number): number {
+    const rs = r / 255;
+    const gs = g / 255;
+    const bs = b / 255;
+    const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);
+    const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);
+    const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);
+    return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;
+  }
+}
+
+/**
+ * Helper functions where the source type is "rgba" (number: 0xrrggbbaa).
+ */
+export namespace rgba {
+  export function blend(bg: number, fg: number): number {
+    $a = (fg & 0xFF) / 0xFF;
+    if ($a === 1) {
+      return fg;
+    }
+    const fgR = (fg >> 24) & 0xFF;
+    const fgG = (fg >> 16) & 0xFF;
+    const fgB = (fg >> 8) & 0xFF;
+    const bgR = (bg >> 24) & 0xFF;
+    const bgG = (bg >> 16) & 0xFF;
+    const bgB = (bg >> 8) & 0xFF;
+    $r = bgR + Math.round((fgR - bgR) * $a);
+    $g = bgG + Math.round((fgG - bgG) * $a);
+    $b = bgB + Math.round((fgB - bgB) * $a);
+    return channels.toRgba($r, $g, $b);
+  }
+
+  /**
+   * Given a foreground color and a background color, either increase or reduce the luminance of the
+   * foreground color until the specified contrast ratio is met. If pure white or black is hit
+   * without the contrast ratio being met, go the other direction using the background color as the
+   * foreground color and take either the first or second result depending on which has the higher
+   * contrast ratio.
+   *
+   * `undefined` will be returned if the contrast ratio is already met.
+   *
+   * @param bgRgba The background color in rgba format.
+   * @param fgRgba The foreground color in rgba format.
+   * @param ratio The contrast ratio to achieve.
+   */
+  export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {
+    const bgL = rgb.relativeLuminance(bgRgba >> 8);
+    const fgL = rgb.relativeLuminance(fgRgba >> 8);
+    const cr = contrastRatio(bgL, fgL);
+    if (cr < ratio) {
+      if (fgL < bgL) {
+        const resultA = reduceLuminance(bgRgba, fgRgba, ratio);
+        const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));
+        if (resultARatio < ratio) {
+          const resultB = increaseLuminance(bgRgba, fgRgba, ratio);
+          const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));
+          return resultARatio > resultBRatio ? resultA : resultB;
+        }
+        return resultA;
+      }
+      const resultA = increaseLuminance(bgRgba, fgRgba, ratio);
+      const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));
+      if (resultARatio < ratio) {
+        const resultB = reduceLuminance(bgRgba, fgRgba, ratio);
+        const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));
+        return resultARatio > resultBRatio ? resultA : resultB;
+      }
+      return resultA;
+    }
+    return undefined;
+  }
+
+  export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {
+    // This is a naive but fast approach to reducing luminance as converting to
+    // HSL and back is expensive
+    const bgR = (bgRgba >> 24) & 0xFF;
+    const bgG = (bgRgba >> 16) & 0xFF;
+    const bgB = (bgRgba >>  8) & 0xFF;
+    let fgR = (fgRgba >> 24) & 0xFF;
+    let fgG = (fgRgba >> 16) & 0xFF;
+    let fgB = (fgRgba >>  8) & 0xFF;
+    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {
+      // Reduce by 10% until the ratio is hit
+      fgR -= Math.max(0, Math.ceil(fgR * 0.1));
+      fgG -= Math.max(0, Math.ceil(fgG * 0.1));
+      fgB -= Math.max(0, Math.ceil(fgB * 0.1));
+      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    }
+    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;
+  }
+
+  export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {
+    // This is a naive but fast approach to increasing luminance as converting to
+    // HSL and back is expensive
+    const bgR = (bgRgba >> 24) & 0xFF;
+    const bgG = (bgRgba >> 16) & 0xFF;
+    const bgB = (bgRgba >>  8) & 0xFF;
+    let fgR = (fgRgba >> 24) & 0xFF;
+    let fgG = (fgRgba >> 16) & 0xFF;
+    let fgB = (fgRgba >>  8) & 0xFF;
+    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {
+      // Increase by 10% until the ratio is hit
+      fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));
+      fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));
+      fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));
+      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    }
+    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;
+  }
+
+  export function toChannels(value: number): [number, number, number, number] {
+    return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];
+  }
+}
+
+export function toPaddedHex(c: number): string {
+  const s = c.toString(16);
+  return s.length < 2 ? '0' + s : s;
+}
+
+/**
+ * Gets the contrast ratio between two relative luminance values.
+ * @param l1 The first relative luminance.
+ * @param l2 The first relative luminance.
+ * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef
+ */
+export function contrastRatio(l1: number, l2: number): number {
+  if (l1 < l2) {
+    return (l2 + 0.05) / (l1 + 0.05);
+  }
+  return (l1 + 0.05) / (l2 + 0.05);
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/CoreTerminal.ts b/web/public/node_modules/@xterm/xterm/src/common/CoreTerminal.ts
new file mode 100644
index 000000000..327b8bc2f
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/CoreTerminal.ts
@@ -0,0 +1,289 @@
+/**
+ * Copyright (c) 2014-2020 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ *
+ * Terminal Emulation References:
+ *   http://vt100.net/
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
+ *   http://invisible-island.net/vttest/
+ *   http://www.inwap.com/pdp10/ansicode.txt
+ *   http://linux.die.net/man/4/console_codes
+ *   http://linux.die.net/man/7/urxvt
+ */
+
+import { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';
+import { IInstantiationService, IOptionsService, IBufferService, ILogService, ICharsetService, ICoreService, ICoreMouseService, IUnicodeService, LogLevelEnum, ITerminalOptions, IOscLinkService } from 'common/services/Services';
+import { InstantiationService } from 'common/services/InstantiationService';
+import { LogService } from 'common/services/LogService';
+import { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService';
+import { OptionsService } from 'common/services/OptionsService';
+import { IDisposable, IAttributeData, ICoreTerminal, IScrollEvent, ScrollSource } from 'common/Types';
+import { CoreService } from 'common/services/CoreService';
+import { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';
+import { CoreMouseService } from 'common/services/CoreMouseService';
+import { UnicodeService } from 'common/services/UnicodeService';
+import { CharsetService } from 'common/services/CharsetService';
+import { updateWindowsModeWrappedState } from 'common/WindowsMode';
+import { IFunctionIdentifier, IParams } from 'common/parser/Types';
+import { IBufferSet } from 'common/buffer/Types';
+import { InputHandler } from 'common/InputHandler';
+import { WriteBuffer } from 'common/input/WriteBuffer';
+import { OscLinkService } from 'common/services/OscLinkService';
+
+// Only trigger this warning a single time per session
+let hasWriteSyncWarnHappened = false;
+
+export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
+  protected readonly _instantiationService: IInstantiationService;
+  protected readonly _bufferService: IBufferService;
+  protected readonly _logService: ILogService;
+  protected readonly _charsetService: ICharsetService;
+  protected readonly _oscLinkService: IOscLinkService;
+
+  public readonly coreMouseService: ICoreMouseService;
+  public readonly coreService: ICoreService;
+  public readonly unicodeService: IUnicodeService;
+  public readonly optionsService: IOptionsService;
+
+  protected _inputHandler: InputHandler;
+  private _writeBuffer: WriteBuffer;
+  private _windowsWrappingHeuristics = this.register(new MutableDisposable());
+
+  private readonly _onBinary = this.register(new EventEmitter<string>());
+  public readonly onBinary = this._onBinary.event;
+  private readonly _onData = this.register(new EventEmitter<string>());
+  public readonly onData = this._onData.event;
+  protected _onLineFeed = this.register(new EventEmitter<void>());
+  public readonly onLineFeed = this._onLineFeed.event;
+  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());
+  public readonly onResize = this._onResize.event;
+  protected readonly _onWriteParsed = this.register(new EventEmitter<void>());
+  public readonly onWriteParsed = this._onWriteParsed.event;
+
+  /**
+   * Internally we track the source of the scroll but this is meaningless outside the library so
+   * it's filtered out.
+   */
+  protected _onScrollApi?: EventEmitter<number, void>;
+  protected _onScroll = this.register(new EventEmitter<IScrollEvent, void>());
+  public get onScroll(): IEvent<number, void> {
+    if (!this._onScrollApi) {
+      this._onScrollApi = this.register(new EventEmitter<number, void>());
+      this._onScroll.event(ev => {
+        this._onScrollApi?.fire(ev.position);
+      });
+    }
+    return this._onScrollApi.event;
+  }
+
+  public get cols(): number { return this._bufferService.cols; }
+  public get rows(): number { return this._bufferService.rows; }
+  public get buffers(): IBufferSet { return this._bufferService.buffers; }
+  public get options(): Required<ITerminalOptions> { return this.optionsService.options; }
+  public set options(options: ITerminalOptions) {
+    for (const key in options) {
+      this.optionsService.options[key] = options[key];
+    }
+  }
+
+  constructor(
+    options: Partial<ITerminalOptions>
+  ) {
+    super();
+
+    // Setup and initialize services
+    this._instantiationService = new InstantiationService();
+    this.optionsService = this.register(new OptionsService(options));
+    this._instantiationService.setService(IOptionsService, this.optionsService);
+    this._bufferService = this.register(this._instantiationService.createInstance(BufferService));
+    this._instantiationService.setService(IBufferService, this._bufferService);
+    this._logService = this.register(this._instantiationService.createInstance(LogService));
+    this._instantiationService.setService(ILogService, this._logService);
+    this.coreService = this.register(this._instantiationService.createInstance(CoreService));
+    this._instantiationService.setService(ICoreService, this.coreService);
+    this.coreMouseService = this.register(this._instantiationService.createInstance(CoreMouseService));
+    this._instantiationService.setService(ICoreMouseService, this.coreMouseService);
+    this.unicodeService = this.register(this._instantiationService.createInstance(UnicodeService));
+    this._instantiationService.setService(IUnicodeService, this.unicodeService);
+    this._charsetService = this._instantiationService.createInstance(CharsetService);
+    this._instantiationService.setService(ICharsetService, this._charsetService);
+    this._oscLinkService = this._instantiationService.createInstance(OscLinkService);
+    this._instantiationService.setService(IOscLinkService, this._oscLinkService);
+
+
+    // Register input handler and handle/forward events
+    this._inputHandler = this.register(new InputHandler(this._bufferService, this._charsetService, this.coreService, this._logService, this.optionsService, this._oscLinkService, this.coreMouseService, this.unicodeService));
+    this.register(forwardEvent(this._inputHandler.onLineFeed, this._onLineFeed));
+    this.register(this._inputHandler);
+
+    // Setup listeners
+    this.register(forwardEvent(this._bufferService.onResize, this._onResize));
+    this.register(forwardEvent(this.coreService.onData, this._onData));
+    this.register(forwardEvent(this.coreService.onBinary, this._onBinary));
+    this.register(this.coreService.onRequestScrollToBottom(() => this.scrollToBottom()));
+    this.register(this.coreService.onUserInput(() =>  this._writeBuffer.handleUserInput()));
+    this.register(this.optionsService.onMultipleOptionChange(['windowsMode', 'windowsPty'], () => this._handleWindowsPtyOptionChange()));
+    this.register(this._bufferService.onScroll(event => {
+      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
+      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);
+    }));
+    this.register(this._inputHandler.onScroll(event => {
+      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
+      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);
+    }));
+
+    // Setup WriteBuffer
+    this._writeBuffer = this.register(new WriteBuffer((data, promiseResult) => this._inputHandler.parse(data, promiseResult)));
+    this.register(forwardEvent(this._writeBuffer.onWriteParsed, this._onWriteParsed));
+  }
+
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    this._writeBuffer.write(data, callback);
+  }
+
+  /**
+   * Write data to terminal synchonously.
+   *
+   * This method is unreliable with async parser handlers, thus should not
+   * be used anymore. If you need blocking semantics on data input consider
+   * `write` with a callback instead.
+   *
+   * @deprecated Unreliable, will be removed soon.
+   */
+  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {
+    if (this._logService.logLevel <= LogLevelEnum.WARN && !hasWriteSyncWarnHappened) {
+      this._logService.warn('writeSync is unreliable and will be removed soon.');
+      hasWriteSyncWarnHappened = true;
+    }
+    this._writeBuffer.writeSync(data, maxSubsequentCalls);
+  }
+
+  public input(data: string, wasUserInput: boolean = true): void {
+    this.coreService.triggerDataEvent(data, wasUserInput);
+  }
+
+  public resize(x: number, y: number): void {
+    if (isNaN(x) || isNaN(y)) {
+      return;
+    }
+
+    x = Math.max(x, MINIMUM_COLS);
+    y = Math.max(y, MINIMUM_ROWS);
+
+    this._bufferService.resize(x, y);
+  }
+
+  /**
+   * Scroll the terminal down 1 row, creating a blank line.
+   * @param eraseAttr The attribute data to use the for blank line.
+   * @param isWrapped Whether the new line is wrapped from the previous line.
+   */
+  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {
+    this._bufferService.scroll(eraseAttr, isWrapped);
+  }
+
+  /**
+   * Scroll the display of the terminal
+   * @param disp The number of lines to scroll down (negative scroll up).
+   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used to avoid
+   * unwanted events being handled by the viewport when the event was triggered from the viewport
+   * originally.
+   * @param source Which component the event came from.
+   */
+  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {
+    this._bufferService.scrollLines(disp, suppressScrollEvent, source);
+  }
+
+  public scrollPages(pageCount: number): void {
+    this.scrollLines(pageCount * (this.rows - 1));
+  }
+
+  public scrollToTop(): void {
+    this.scrollLines(-this._bufferService.buffer.ydisp);
+  }
+
+  public scrollToBottom(): void {
+    this.scrollLines(this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);
+  }
+
+  public scrollToLine(line: number): void {
+    const scrollAmount = line - this._bufferService.buffer.ydisp;
+    if (scrollAmount !== 0) {
+      this.scrollLines(scrollAmount);
+    }
+  }
+
+  /** Add handler for ESC escape sequence. See xterm.d.ts for details. */
+  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerEscHandler(id, callback);
+  }
+
+  /** Add handler for DCS escape sequence. See xterm.d.ts for details. */
+  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerDcsHandler(id, callback);
+  }
+
+  /** Add handler for CSI escape sequence. See xterm.d.ts for details. */
+  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerCsiHandler(id, callback);
+  }
+
+  /** Add handler for OSC escape sequence. See xterm.d.ts for details. */
+  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerOscHandler(ident, callback);
+  }
+
+  protected _setup(): void {
+    this._handleWindowsPtyOptionChange();
+  }
+
+  public reset(): void {
+    this._inputHandler.reset();
+    this._bufferService.reset();
+    this._charsetService.reset();
+    this.coreService.reset();
+    this.coreMouseService.reset();
+  }
+
+
+  private _handleWindowsPtyOptionChange(): void {
+    let value = false;
+    const windowsPty = this.optionsService.rawOptions.windowsPty;
+    if (windowsPty && windowsPty.buildNumber !== undefined && windowsPty.buildNumber !== undefined) {
+      value = !!(windowsPty.backend === 'conpty' && windowsPty.buildNumber < 21376);
+    } else if (this.optionsService.rawOptions.windowsMode) {
+      value = true;
+    }
+    if (value) {
+      this._enableWindowsWrappingHeuristics();
+    } else {
+      this._windowsWrappingHeuristics.clear();
+    }
+  }
+
+  protected _enableWindowsWrappingHeuristics(): void {
+    if (!this._windowsWrappingHeuristics.value) {
+      const disposables: IDisposable[] = [];
+      disposables.push(this.onLineFeed(updateWindowsModeWrappedState.bind(null, this._bufferService)));
+      disposables.push(this.registerCsiHandler({ final: 'H' }, () => {
+        updateWindowsModeWrappedState(this._bufferService);
+        return false;
+      }));
+      this._windowsWrappingHeuristics.value = toDisposable(() => {
+        for (const d of disposables) {
+          d.dispose();
+        }
+      });
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/EventEmitter.ts b/web/public/node_modules/@xterm/xterm/src/common/EventEmitter.ts
new file mode 100644
index 000000000..589748a30
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/EventEmitter.ts
@@ -0,0 +1,78 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+
+interface IListener<T, U = void> {
+  (arg1: T, arg2: U): void;
+}
+
+export interface IEvent<T, U = void> {
+  (listener: (arg1: T, arg2: U) => any): IDisposable;
+}
+
+export interface IEventEmitter<T, U = void> {
+  event: IEvent<T, U>;
+  fire(arg1: T, arg2: U): void;
+  dispose(): void;
+}
+
+export class EventEmitter<T, U = void> implements IEventEmitter<T, U> {
+  private _listeners: IListener<T, U>[] = [];
+  private _event?: IEvent<T, U>;
+  private _disposed: boolean = false;
+
+  public get event(): IEvent<T, U> {
+    if (!this._event) {
+      this._event = (listener: (arg1: T, arg2: U) => any) => {
+        this._listeners.push(listener);
+        const disposable = {
+          dispose: () => {
+            if (!this._disposed) {
+              for (let i = 0; i < this._listeners.length; i++) {
+                if (this._listeners[i] === listener) {
+                  this._listeners.splice(i, 1);
+                  return;
+                }
+              }
+            }
+          }
+        };
+        return disposable;
+      };
+    }
+    return this._event;
+  }
+
+  public fire(arg1: T, arg2: U): void {
+    const queue: IListener<T, U>[] = [];
+    for (let i = 0; i < this._listeners.length; i++) {
+      queue.push(this._listeners[i]);
+    }
+    for (let i = 0; i < queue.length; i++) {
+      queue[i].call(undefined, arg1, arg2);
+    }
+  }
+
+  public dispose(): void {
+    this.clearListeners();
+    this._disposed = true;
+  }
+
+  public clearListeners(): void {
+    if (this._listeners) {
+      this._listeners.length = 0;
+    }
+  }
+}
+
+export function forwardEvent<T>(from: IEvent<T>, to: IEventEmitter<T>): IDisposable {
+  return from(e => to.fire(e));
+}
+
+export function runAndSubscribe<T>(event: IEvent<T>, handler: (e: T | undefined) => any): IDisposable {
+  handler(undefined);
+  return event(e => handler(e));
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/InputHandler.ts b/web/public/node_modules/@xterm/xterm/src/common/InputHandler.ts
new file mode 100644
index 000000000..a4b8c64b0
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/InputHandler.ts
@@ -0,0 +1,3457 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ */
+
+import { IInputHandler, IAttributeData, IDisposable, IWindowOptions, IColorEvent, IParseStack, ColorIndex, ColorRequestType, SpecialColorIndex } from 'common/Types';
+import { C0, C1 } from 'common/data/EscapeSequences';
+import { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets';
+import { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser';
+import { Disposable } from 'common/Lifecycle';
+import { StringToUtf32, stringFromCodePoint, Utf8ToUtf32 } from 'common/input/TextDecoder';
+import { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { EventEmitter } from 'common/EventEmitter';
+import { IParsingState, IEscapeSequenceParser, IParams, IFunctionIdentifier } from 'common/parser/Types';
+import { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content, UnderlineStyle } from 'common/buffer/Constants';
+import { CellData } from 'common/buffer/CellData';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { ICoreService, IBufferService, IOptionsService, ILogService, ICoreMouseService, ICharsetService, IUnicodeService, LogLevelEnum, IOscLinkService } from 'common/services/Services';
+import { UnicodeService } from 'common/services/UnicodeService';
+import { OscHandler } from 'common/parser/OscParser';
+import { DcsHandler } from 'common/parser/DcsParser';
+import { IBuffer } from 'common/buffer/Types';
+import { parseColor } from 'common/input/XParseColor';
+
+/**
+ * Map collect to glevel. Used in `selectCharset`.
+ */
+const GLEVEL: { [key: string]: number } = { '(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2 };
+
+/**
+ * VT commands done by the parser - FIXME: move this to the parser?
+ */
+// @vt: #Y   ESC   CSI   "Control Sequence Introducer"   "ESC ["   "Start of a CSI sequence."
+// @vt: #Y   ESC   OSC   "Operating System Command"      "ESC ]"   "Start of an OSC sequence."
+// @vt: #Y   ESC   DCS   "Device Control String"         "ESC P"   "Start of a DCS sequence."
+// @vt: #Y   ESC   ST    "String Terminator"             "ESC \"   "Terminator used for string type sequences."
+// @vt: #Y   ESC   PM    "Privacy Message"               "ESC ^"   "Start of a privacy message."
+// @vt: #Y   ESC   APC   "Application Program Command"   "ESC _"   "Start of an APC sequence."
+// @vt: #Y   C1    CSI   "Control Sequence Introducer"   "\x9B"    "Start of a CSI sequence."
+// @vt: #Y   C1    OSC   "Operating System Command"      "\x9D"    "Start of an OSC sequence."
+// @vt: #Y   C1    DCS   "Device Control String"         "\x90"    "Start of a DCS sequence."
+// @vt: #Y   C1    ST    "String Terminator"             "\x9C"    "Terminator used for string type sequences."
+// @vt: #Y   C1    PM    "Privacy Message"               "\x9E"    "Start of a privacy message."
+// @vt: #Y   C1    APC   "Application Program Command"   "\x9F"    "Start of an APC sequence."
+// @vt: #Y   C0    NUL   "Null"                          "\0, \x00"  "NUL is ignored."
+// @vt: #Y   C0    ESC   "Escape"                        "\e, \x1B"  "Start of a sequence. Cancels any other sequence."
+
+/**
+ * Document xterm VT features here that are currently unsupported
+ */
+// @vt: #E[Supported via @xterm/addon-image.]  DCS   SIXEL       "SIXEL Graphics"          "DCS Ps ; Ps ; Ps ; q 	Pt ST"  "Draw SIXEL image."
+// @vt: #N  DCS   DECUDK      "User Defined Keys"       "DCS Ps ; Ps \| Pt ST"           "Definitions for user-defined keys."
+// @vt: #N  DCS   XTGETTCAP   "Request Terminfo String" "DCS + q Pt ST"                 "Request Terminfo String."
+// @vt: #N  DCS   XTSETTCAP   "Set Terminfo Data"       "DCS + p Pt ST"                 "Set Terminfo Data."
+// @vt: #N  OSC   1           "Set Icon Name"           "OSC 1 ; Pt BEL"                "Set icon name."
+
+/**
+ * Max length of the UTF32 input buffer. Real memory consumption is 4 times higher.
+ */
+const MAX_PARSEBUFFER_LENGTH = 131072;
+
+/**
+ * Limit length of title and icon name stacks.
+ */
+const STACK_LIMIT = 10;
+
+// map params to window option
+function paramToWindowOption(n: number, opts: IWindowOptions): boolean {
+  if (n > 24) {
+    return opts.setWinLines || false;
+  }
+  switch (n) {
+    case 1: return !!opts.restoreWin;
+    case 2: return !!opts.minimizeWin;
+    case 3: return !!opts.setWinPosition;
+    case 4: return !!opts.setWinSizePixels;
+    case 5: return !!opts.raiseWin;
+    case 6: return !!opts.lowerWin;
+    case 7: return !!opts.refreshWin;
+    case 8: return !!opts.setWinSizeChars;
+    case 9: return !!opts.maximizeWin;
+    case 10: return !!opts.fullscreenWin;
+    case 11: return !!opts.getWinState;
+    case 13: return !!opts.getWinPosition;
+    case 14: return !!opts.getWinSizePixels;
+    case 15: return !!opts.getScreenSizePixels;
+    case 16: return !!opts.getCellSizePixels;
+    case 18: return !!opts.getWinSizeChars;
+    case 19: return !!opts.getScreenSizeChars;
+    case 20: return !!opts.getIconTitle;
+    case 21: return !!opts.getWinTitle;
+    case 22: return !!opts.pushTitle;
+    case 23: return !!opts.popTitle;
+    case 24: return !!opts.setWinLines;
+  }
+  return false;
+}
+
+export enum WindowsOptionsReportType {
+  GET_WIN_SIZE_PIXELS = 0,
+  GET_CELL_SIZE_PIXELS = 1
+}
+
+// create a warning log if an async handler takes longer than the limit (in ms)
+const SLOW_ASYNC_LIMIT = 5000;
+
+// Work variables to avoid garbage collection
+let $temp = 0;
+
+/**
+ * The terminal's standard implementation of IInputHandler, this handles all
+ * input from the Parser.
+ *
+ * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand
+ * each function's header comment.
+ */
+export class InputHandler extends Disposable implements IInputHandler {
+  private _parseBuffer: Uint32Array = new Uint32Array(4096);
+  private _stringDecoder: StringToUtf32 = new StringToUtf32();
+  private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();
+  private _workCell: CellData = new CellData();
+  private _windowTitle = '';
+  private _iconName = '';
+  private _dirtyRowTracker: IDirtyRowTracker;
+  protected _windowTitleStack: string[] = [];
+  protected _iconNameStack: string[] = [];
+
+  private _curAttrData: IAttributeData = DEFAULT_ATTR_DATA.clone();
+  public getAttrData(): IAttributeData { return this._curAttrData; }
+  private _eraseAttrDataInternal: IAttributeData = DEFAULT_ATTR_DATA.clone();
+
+  private _activeBuffer: IBuffer;
+
+  private readonly _onRequestBell = this.register(new EventEmitter<void>());
+  public readonly onRequestBell = this._onRequestBell.event;
+  private readonly _onRequestRefreshRows = this.register(new EventEmitter<number, number>());
+  public readonly onRequestRefreshRows = this._onRequestRefreshRows.event;
+  private readonly _onRequestReset = this.register(new EventEmitter<void>());
+  public readonly onRequestReset = this._onRequestReset.event;
+  private readonly _onRequestSendFocus = this.register(new EventEmitter<void>());
+  public readonly onRequestSendFocus = this._onRequestSendFocus.event;
+  private readonly _onRequestSyncScrollBar = this.register(new EventEmitter<void>());
+  public readonly onRequestSyncScrollBar = this._onRequestSyncScrollBar.event;
+  private readonly _onRequestWindowsOptionsReport = this.register(new EventEmitter<WindowsOptionsReportType>());
+  public readonly onRequestWindowsOptionsReport = this._onRequestWindowsOptionsReport.event;
+
+  private readonly _onA11yChar = this.register(new EventEmitter<string>());
+  public readonly onA11yChar = this._onA11yChar.event;
+  private readonly _onA11yTab = this.register(new EventEmitter<number>());
+  public readonly onA11yTab = this._onA11yTab.event;
+  private readonly _onCursorMove = this.register(new EventEmitter<void>());
+  public readonly onCursorMove = this._onCursorMove.event;
+  private readonly _onLineFeed = this.register(new EventEmitter<void>());
+  public readonly onLineFeed = this._onLineFeed.event;
+  private readonly _onScroll = this.register(new EventEmitter<number>());
+  public readonly onScroll = this._onScroll.event;
+  private readonly _onTitleChange = this.register(new EventEmitter<string>());
+  public readonly onTitleChange = this._onTitleChange.event;
+  private readonly _onColor = this.register(new EventEmitter<IColorEvent>());
+  public readonly onColor = this._onColor.event;
+
+  private _parseStack: IParseStack = {
+    paused: false,
+    cursorStartX: 0,
+    cursorStartY: 0,
+    decodedLength: 0,
+    position: 0
+  };
+
+  constructor(
+    private readonly _bufferService: IBufferService,
+    private readonly _charsetService: ICharsetService,
+    private readonly _coreService: ICoreService,
+    private readonly _logService: ILogService,
+    private readonly _optionsService: IOptionsService,
+    private readonly _oscLinkService: IOscLinkService,
+    private readonly _coreMouseService: ICoreMouseService,
+    private readonly _unicodeService: IUnicodeService,
+    private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser()
+  ) {
+    super();
+    this.register(this._parser);
+    this._dirtyRowTracker = new DirtyRowTracker(this._bufferService);
+
+    // Track properties used in performance critical code manually to avoid using slow getters
+    this._activeBuffer = this._bufferService.buffer;
+    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));
+
+    /**
+     * custom fallback handlers
+     */
+    this._parser.setCsiHandlerFallback((ident, params) => {
+      this._logService.debug('Unknown CSI code: ', { identifier: this._parser.identToString(ident), params: params.toArray() });
+    });
+    this._parser.setEscHandlerFallback(ident => {
+      this._logService.debug('Unknown ESC code: ', { identifier: this._parser.identToString(ident) });
+    });
+    this._parser.setExecuteHandlerFallback(code => {
+      this._logService.debug('Unknown EXECUTE code: ', { code });
+    });
+    this._parser.setOscHandlerFallback((identifier, action, data) => {
+      this._logService.debug('Unknown OSC code: ', { identifier, action, data });
+    });
+    this._parser.setDcsHandlerFallback((ident, action, payload) => {
+      if (action === 'HOOK') {
+        payload = payload.toArray();
+      }
+      this._logService.debug('Unknown DCS code: ', { identifier: this._parser.identToString(ident), action, payload });
+    });
+
+    /**
+     * print handler
+     */
+    this._parser.setPrintHandler((data, start, end) => this.print(data, start, end));
+
+    /**
+     * CSI handler
+     */
+    this._parser.registerCsiHandler({ final: '@' }, params => this.insertChars(params));
+    this._parser.registerCsiHandler({ intermediates: ' ', final: '@' }, params => this.scrollLeft(params));
+    this._parser.registerCsiHandler({ final: 'A' }, params => this.cursorUp(params));
+    this._parser.registerCsiHandler({ intermediates: ' ', final: 'A' }, params => this.scrollRight(params));
+    this._parser.registerCsiHandler({ final: 'B' }, params => this.cursorDown(params));
+    this._parser.registerCsiHandler({ final: 'C' }, params => this.cursorForward(params));
+    this._parser.registerCsiHandler({ final: 'D' }, params => this.cursorBackward(params));
+    this._parser.registerCsiHandler({ final: 'E' }, params => this.cursorNextLine(params));
+    this._parser.registerCsiHandler({ final: 'F' }, params => this.cursorPrecedingLine(params));
+    this._parser.registerCsiHandler({ final: 'G' }, params => this.cursorCharAbsolute(params));
+    this._parser.registerCsiHandler({ final: 'H' }, params => this.cursorPosition(params));
+    this._parser.registerCsiHandler({ final: 'I' }, params => this.cursorForwardTab(params));
+    this._parser.registerCsiHandler({ final: 'J' }, params => this.eraseInDisplay(params, false));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'J' }, params => this.eraseInDisplay(params, true));
+    this._parser.registerCsiHandler({ final: 'K' }, params => this.eraseInLine(params, false));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'K' }, params => this.eraseInLine(params, true));
+    this._parser.registerCsiHandler({ final: 'L' }, params => this.insertLines(params));
+    this._parser.registerCsiHandler({ final: 'M' }, params => this.deleteLines(params));
+    this._parser.registerCsiHandler({ final: 'P' }, params => this.deleteChars(params));
+    this._parser.registerCsiHandler({ final: 'S' }, params => this.scrollUp(params));
+    this._parser.registerCsiHandler({ final: 'T' }, params => this.scrollDown(params));
+    this._parser.registerCsiHandler({ final: 'X' }, params => this.eraseChars(params));
+    this._parser.registerCsiHandler({ final: 'Z' }, params => this.cursorBackwardTab(params));
+    this._parser.registerCsiHandler({ final: '`' }, params => this.charPosAbsolute(params));
+    this._parser.registerCsiHandler({ final: 'a' }, params => this.hPositionRelative(params));
+    this._parser.registerCsiHandler({ final: 'b' }, params => this.repeatPrecedingCharacter(params));
+    this._parser.registerCsiHandler({ final: 'c' }, params => this.sendDeviceAttributesPrimary(params));
+    this._parser.registerCsiHandler({ prefix: '>', final: 'c' }, params => this.sendDeviceAttributesSecondary(params));
+    this._parser.registerCsiHandler({ final: 'd' }, params => this.linePosAbsolute(params));
+    this._parser.registerCsiHandler({ final: 'e' }, params => this.vPositionRelative(params));
+    this._parser.registerCsiHandler({ final: 'f' }, params => this.hVPosition(params));
+    this._parser.registerCsiHandler({ final: 'g' }, params => this.tabClear(params));
+    this._parser.registerCsiHandler({ final: 'h' }, params => this.setMode(params));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this.setModePrivate(params));
+    this._parser.registerCsiHandler({ final: 'l' }, params => this.resetMode(params));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this.resetModePrivate(params));
+    this._parser.registerCsiHandler({ final: 'm' }, params => this.charAttributes(params));
+    this._parser.registerCsiHandler({ final: 'n' }, params => this.deviceStatus(params));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'n' }, params => this.deviceStatusPrivate(params));
+    this._parser.registerCsiHandler({ intermediates: '!', final: 'p' }, params => this.softReset(params));
+    this._parser.registerCsiHandler({ intermediates: ' ', final: 'q' }, params => this.setCursorStyle(params));
+    this._parser.registerCsiHandler({ final: 'r' }, params => this.setScrollRegion(params));
+    this._parser.registerCsiHandler({ final: 's' }, params => this.saveCursor(params));
+    this._parser.registerCsiHandler({ final: 't' }, params => this.windowOptions(params));
+    this._parser.registerCsiHandler({ final: 'u' }, params => this.restoreCursor(params));
+    this._parser.registerCsiHandler({ intermediates: '\'', final: '}' }, params => this.insertColumns(params));
+    this._parser.registerCsiHandler({ intermediates: '\'', final: '~' }, params => this.deleteColumns(params));
+    this._parser.registerCsiHandler({ intermediates: '"', final: 'q' }, params => this.selectProtected(params));
+    this._parser.registerCsiHandler({ intermediates: '$', final: 'p' }, params => this.requestMode(params, true));
+    this._parser.registerCsiHandler({ prefix: '?', intermediates: '$', final: 'p' }, params => this.requestMode(params, false));
+
+    /**
+     * execute handler
+     */
+    this._parser.setExecuteHandler(C0.BEL, () => this.bell());
+    this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());
+    this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());
+    this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());
+    this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());
+    this._parser.setExecuteHandler(C0.BS, () => this.backspace());
+    this._parser.setExecuteHandler(C0.HT, () => this.tab());
+    this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());
+    this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());
+    // FIXME:   What do to with missing? Old code just added those to print.
+
+    this._parser.setExecuteHandler(C1.IND, () => this.index());
+    this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());
+    this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());
+
+    /**
+     * OSC handler
+     */
+    //   0 - icon name + title
+    this._parser.registerOscHandler(0, new OscHandler(data => { this.setTitle(data); this.setIconName(data); return true; }));
+    //   1 - icon name
+    this._parser.registerOscHandler(1, new OscHandler(data => this.setIconName(data)));
+    //   2 - title
+    this._parser.registerOscHandler(2, new OscHandler(data => this.setTitle(data)));
+    //   3 - set property X in the form "prop=value"
+    //   4 - Change Color Number
+    this._parser.registerOscHandler(4, new OscHandler(data => this.setOrReportIndexedColor(data)));
+    //   5 - Change Special Color Number
+    //   6 - Enable/disable Special Color Number c
+    //   7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)
+    //   8 - create hyperlink (not in xterm spec, see https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda)
+    this._parser.registerOscHandler(8, new OscHandler(data => this.setHyperlink(data)));
+    //  10 - Change VT100 text foreground color to Pt.
+    this._parser.registerOscHandler(10, new OscHandler(data => this.setOrReportFgColor(data)));
+    //  11 - Change VT100 text background color to Pt.
+    this._parser.registerOscHandler(11, new OscHandler(data => this.setOrReportBgColor(data)));
+    //  12 - Change text cursor color to Pt.
+    this._parser.registerOscHandler(12, new OscHandler(data => this.setOrReportCursorColor(data)));
+    //  13 - Change mouse foreground color to Pt.
+    //  14 - Change mouse background color to Pt.
+    //  15 - Change Tektronix foreground color to Pt.
+    //  16 - Change Tektronix background color to Pt.
+    //  17 - Change highlight background color to Pt.
+    //  18 - Change Tektronix cursor color to Pt.
+    //  19 - Change highlight foreground color to Pt.
+    //  46 - Change Log File to Pt.
+    //  50 - Set Font to Pt.
+    //  51 - reserved for Emacs shell.
+    //  52 - Manipulate Selection Data.
+    // 104 ; c - Reset Color Number c.
+    this._parser.registerOscHandler(104, new OscHandler(data => this.restoreIndexedColor(data)));
+    // 105 ; c - Reset Special Color Number c.
+    // 106 ; c; f - Enable/disable Special Color Number c.
+    // 110 - Reset VT100 text foreground color.
+    this._parser.registerOscHandler(110, new OscHandler(data => this.restoreFgColor(data)));
+    // 111 - Reset VT100 text background color.
+    this._parser.registerOscHandler(111, new OscHandler(data => this.restoreBgColor(data)));
+    // 112 - Reset text cursor color.
+    this._parser.registerOscHandler(112, new OscHandler(data => this.restoreCursorColor(data)));
+    // 113 - Reset mouse foreground color.
+    // 114 - Reset mouse background color.
+    // 115 - Reset Tektronix foreground color.
+    // 116 - Reset Tektronix background color.
+    // 117 - Reset highlight color.
+    // 118 - Reset Tektronix cursor color.
+    // 119 - Reset highlight foreground color.
+
+    /**
+     * ESC handlers
+     */
+    this._parser.registerEscHandler({ final: '7' }, () => this.saveCursor());
+    this._parser.registerEscHandler({ final: '8' }, () => this.restoreCursor());
+    this._parser.registerEscHandler({ final: 'D' }, () => this.index());
+    this._parser.registerEscHandler({ final: 'E' }, () => this.nextLine());
+    this._parser.registerEscHandler({ final: 'H' }, () => this.tabSet());
+    this._parser.registerEscHandler({ final: 'M' }, () => this.reverseIndex());
+    this._parser.registerEscHandler({ final: '=' }, () => this.keypadApplicationMode());
+    this._parser.registerEscHandler({ final: '>' }, () => this.keypadNumericMode());
+    this._parser.registerEscHandler({ final: 'c' }, () => this.fullReset());
+    this._parser.registerEscHandler({ final: 'n' }, () => this.setgLevel(2));
+    this._parser.registerEscHandler({ final: 'o' }, () => this.setgLevel(3));
+    this._parser.registerEscHandler({ final: '|' }, () => this.setgLevel(3));
+    this._parser.registerEscHandler({ final: '}' }, () => this.setgLevel(2));
+    this._parser.registerEscHandler({ final: '~' }, () => this.setgLevel(1));
+    this._parser.registerEscHandler({ intermediates: '%', final: '@' }, () => this.selectDefaultCharset());
+    this._parser.registerEscHandler({ intermediates: '%', final: 'G' }, () => this.selectDefaultCharset());
+    for (const flag in CHARSETS) {
+      this._parser.registerEscHandler({ intermediates: '(', final: flag }, () => this.selectCharset('(' + flag));
+      this._parser.registerEscHandler({ intermediates: ')', final: flag }, () => this.selectCharset(')' + flag));
+      this._parser.registerEscHandler({ intermediates: '*', final: flag }, () => this.selectCharset('*' + flag));
+      this._parser.registerEscHandler({ intermediates: '+', final: flag }, () => this.selectCharset('+' + flag));
+      this._parser.registerEscHandler({ intermediates: '-', final: flag }, () => this.selectCharset('-' + flag));
+      this._parser.registerEscHandler({ intermediates: '.', final: flag }, () => this.selectCharset('.' + flag));
+      this._parser.registerEscHandler({ intermediates: '/', final: flag }, () => this.selectCharset('/' + flag)); // TODO: supported?
+    }
+    this._parser.registerEscHandler({ intermediates: '#', final: '8' }, () => this.screenAlignmentPattern());
+
+    /**
+     * error handler
+     */
+    this._parser.setErrorHandler((state: IParsingState) => {
+      this._logService.error('Parsing error: ', state);
+      return state;
+    });
+
+    /**
+     * DCS handler
+     */
+    this._parser.registerDcsHandler({ intermediates: '$', final: 'q' }, new DcsHandler((data, params) => this.requestStatusString(data, params)));
+  }
+
+  /**
+   * Async parse support.
+   */
+  private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void {
+    this._parseStack.paused = true;
+    this._parseStack.cursorStartX = cursorStartX;
+    this._parseStack.cursorStartY = cursorStartY;
+    this._parseStack.decodedLength = decodedLength;
+    this._parseStack.position = position;
+  }
+
+  private _logSlowResolvingAsync(p: Promise<boolean>): void {
+    // log a limited warning about an async handler taking too long
+    if (this._logService.logLevel <= LogLevelEnum.WARN) {
+      Promise.race([p, new Promise((res, rej) => setTimeout(() => rej('#SLOW_TIMEOUT'), SLOW_ASYNC_LIMIT))])
+        .catch(err => {
+          if (err !== '#SLOW_TIMEOUT') {
+            throw err;
+          }
+          console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`);
+        });
+    }
+  }
+
+  private _getCurrentLinkId(): number {
+    return this._curAttrData.extended.urlId;
+  }
+
+  /**
+   * Parse call with async handler support.
+   *
+   * Whether the stack state got preserved for the next call, is indicated by the return value:
+   * - undefined (void):
+   *   all handlers were sync, no stack save, continue normally with next chunk
+   * - Promise\<boolean\>:
+   *   execution stopped at async handler, stack saved, continue with same chunk and the promise
+   *   resolve value as `promiseResult` until the method returns `undefined`
+   *
+   * Note: This method should only be called by `Terminal.write` to ensure correct execution order
+   * and proper continuation of async parser handlers.
+   */
+  public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean> {
+    let result: void | Promise<boolean>;
+    let cursorStartX = this._activeBuffer.x;
+    let cursorStartY = this._activeBuffer.y;
+    let start = 0;
+    const wasPaused = this._parseStack.paused;
+
+    if (wasPaused) {
+      // assumption: _parseBuffer never mutates between async calls
+      if (result = this._parser.parse(this._parseBuffer, this._parseStack.decodedLength, promiseResult)) {
+        this._logSlowResolvingAsync(result);
+        return result;
+      }
+      cursorStartX = this._parseStack.cursorStartX;
+      cursorStartY = this._parseStack.cursorStartY;
+      this._parseStack.paused = false;
+      if (data.length > MAX_PARSEBUFFER_LENGTH) {
+        start = this._parseStack.position + MAX_PARSEBUFFER_LENGTH;
+      }
+    }
+
+    // Log debug data, the log level gate is to prevent extra work in this hot path
+    if (this._logService.logLevel <= LogLevelEnum.DEBUG) {
+      this._logService.debug(`parsing data${typeof data === 'string' ? ` "${data}"` : ` "${Array.prototype.map.call(data, e => String.fromCharCode(e)).join('')}"`}`, typeof data === 'string'
+        ? data.split('').map(e => e.charCodeAt(0))
+        : data
+      );
+    }
+
+    // resize input buffer if needed
+    if (this._parseBuffer.length < data.length) {
+      if (this._parseBuffer.length < MAX_PARSEBUFFER_LENGTH) {
+        this._parseBuffer = new Uint32Array(Math.min(data.length, MAX_PARSEBUFFER_LENGTH));
+      }
+    }
+
+    // Clear the dirty row service so we know which lines changed as a result of parsing
+    // Important: do not clear between async calls, otherwise we lost pending update information.
+    if (!wasPaused) {
+      this._dirtyRowTracker.clearRange();
+    }
+
+    // process big data in smaller chunks
+    if (data.length > MAX_PARSEBUFFER_LENGTH) {
+      for (let i = start; i < data.length; i += MAX_PARSEBUFFER_LENGTH) {
+        const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length;
+        const len = (typeof data === 'string')
+          ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer)
+          : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer);
+        if (result = this._parser.parse(this._parseBuffer, len)) {
+          this._preserveStack(cursorStartX, cursorStartY, len, i);
+          this._logSlowResolvingAsync(result);
+          return result;
+        }
+      }
+    } else {
+      if (!wasPaused) {
+        const len = (typeof data === 'string')
+          ? this._stringDecoder.decode(data, this._parseBuffer)
+          : this._utf8Decoder.decode(data, this._parseBuffer);
+        if (result = this._parser.parse(this._parseBuffer, len)) {
+          this._preserveStack(cursorStartX, cursorStartY, len, 0);
+          this._logSlowResolvingAsync(result);
+          return result;
+        }
+      }
+    }
+
+    if (this._activeBuffer.x !== cursorStartX || this._activeBuffer.y !== cursorStartY) {
+      this._onCursorMove.fire();
+    }
+
+    // Refresh any dirty rows accumulated as part of parsing, fire only for rows within the
+    // _viewport_ which is relative to ydisp, not relative to ybase.
+    const viewportEnd = this._dirtyRowTracker.end + (this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);
+    const viewportStart = this._dirtyRowTracker.start + (this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);
+    if (viewportStart < this._bufferService.rows) {
+      this._onRequestRefreshRows.fire(Math.min(viewportStart, this._bufferService.rows - 1), Math.min(viewportEnd, this._bufferService.rows - 1));
+    }
+  }
+
+  public print(data: Uint32Array, start: number, end: number): void {
+    let code: number;
+    let chWidth: number;
+    const charset = this._charsetService.charset;
+    const screenReaderMode = this._optionsService.rawOptions.screenReaderMode;
+    const cols = this._bufferService.cols;
+    const wraparoundMode = this._coreService.decPrivateModes.wraparound;
+    const insertMode = this._coreService.modes.insertMode;
+    const curAttr = this._curAttrData;
+    let bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+
+    // handle wide chars: reset start_cell-1 if we would overwrite the second cell of a wide char
+    if (this._activeBuffer.x && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x - 1) === 2) {
+      bufferRow.setCellFromCodepoint(this._activeBuffer.x - 1, 0, 1, curAttr);
+    }
+
+    let precedingJoinState = this._parser.precedingJoinState;
+    for (let pos = start; pos < end; ++pos) {
+      code = data[pos];
+
+      // get charset replacement character
+      // charset is only defined for ASCII, therefore we only
+      // search for an replacement char if code < 127
+      if (code < 127 && charset) {
+        const ch = charset[String.fromCharCode(code)];
+        if (ch) {
+          code = ch.charCodeAt(0);
+        }
+      }
+
+      const currentInfo = this._unicodeService.charProperties(code, precedingJoinState);
+      chWidth = UnicodeService.extractWidth(currentInfo);
+      const shouldJoin = UnicodeService.extractShouldJoin(currentInfo);
+      const oldWidth = shouldJoin ? UnicodeService.extractWidth(precedingJoinState) : 0;
+      precedingJoinState = currentInfo;
+
+      if (screenReaderMode) {
+        this._onA11yChar.fire(stringFromCodePoint(code));
+      }
+      if (this._getCurrentLinkId()) {
+        this._oscLinkService.addLineToLink(this._getCurrentLinkId(), this._activeBuffer.ybase + this._activeBuffer.y);
+      }
+
+      // goto next line if ch would overflow
+      // NOTE: To avoid costly width checks here,
+      // the terminal does not allow a cols < 2.
+      if (this._activeBuffer.x + chWidth - oldWidth > cols) {
+        // autowrap - DECAWM
+        // automatically wraps to the beginning of the next line
+        if (wraparoundMode) {
+          const oldRow = bufferRow;
+          let oldCol = this._activeBuffer.x - oldWidth;
+          this._activeBuffer.x = oldWidth;
+          this._activeBuffer.y++;
+          if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {
+            this._activeBuffer.y--;
+            this._bufferService.scroll(this._eraseAttrData(), true);
+          } else {
+            if (this._activeBuffer.y >= this._bufferService.rows) {
+              this._activeBuffer.y = this._bufferService.rows - 1;
+            }
+            // The line already exists (eg. the initial viewport), mark it as a
+            // wrapped line
+            this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = true;
+          }
+          // row changed, get it again
+          bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+          if (oldWidth > 0 && bufferRow instanceof BufferLine) {
+            // Combining character widens 1 column to 2.
+            // Move old character to next line.
+            bufferRow.copyCellsFrom(oldRow as BufferLine,
+              oldCol, 0, oldWidth, false);
+          }
+          // clear left over cells to the right
+          while (oldCol < cols) {
+            oldRow.setCellFromCodepoint(oldCol++, 0, 1, curAttr);
+          }
+        } else {
+          this._activeBuffer.x = cols - 1;
+          if (chWidth === 2) {
+            // FIXME: check for xterm behavior
+            // What to do here? We got a wide char that does not fit into last cell
+            continue;
+          }
+        }
+      }
+
+      // insert combining char at last cursor position
+      // this._activeBuffer.x should never be 0 for a combining char
+      // since they always follow a cell consuming char
+      // therefore we can test for this._activeBuffer.x to avoid overflow left
+      if (shouldJoin && this._activeBuffer.x) {
+        const offset = bufferRow.getWidth(this._activeBuffer.x - 1) ? 1 : 2;
+        // if empty cell after fullwidth, need to go 2 cells back
+        // it is save to step 2 cells back here
+        // since an empty cell is only set by fullwidth chars
+        bufferRow.addCodepointToCell(this._activeBuffer.x - offset,
+          code, chWidth);
+        for (let delta = chWidth - oldWidth; --delta >= 0; ) {
+          bufferRow.setCellFromCodepoint(this._activeBuffer.x++, 0, 0, curAttr);
+        }
+        continue;
+      }
+
+      // insert mode: move characters to right
+      if (insertMode) {
+        // right shift cells according to the width
+        bufferRow.insertCells(this._activeBuffer.x, chWidth - oldWidth, this._activeBuffer.getNullCell(curAttr));
+        // test last cell - since the last cell has only room for
+        // a halfwidth char any fullwidth shifted there is lost
+        // and will be set to empty cell
+        if (bufferRow.getWidth(cols - 1) === 2) {
+          bufferRow.setCellFromCodepoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr);
+        }
+      }
+
+      // write current char to buffer and advance cursor
+      bufferRow.setCellFromCodepoint(this._activeBuffer.x++, code, chWidth, curAttr);
+
+      // fullwidth char - also set next cell to placeholder stub and advance cursor
+      // for graphemes bigger than fullwidth we can simply loop to zero
+      // we already made sure above, that this._activeBuffer.x + chWidth will not overflow right
+      if (chWidth > 0) {
+        while (--chWidth) {
+          // other than a regular empty cell a cell following a wide char has no width
+          bufferRow.setCellFromCodepoint(this._activeBuffer.x++, 0, 0, curAttr);
+        }
+      }
+    }
+
+    this._parser.precedingJoinState = precedingJoinState;
+
+    // handle wide chars: reset cell to the right if it is second cell of a wide char
+    if (this._activeBuffer.x < cols && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x) === 0 && !bufferRow.hasContent(this._activeBuffer.x)) {
+      bufferRow.setCellFromCodepoint(this._activeBuffer.x, 0, 1, curAttr);
+    }
+
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+  }
+
+  /**
+   * Forward registerCsiHandler from parser.
+   */
+  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {
+    if (id.final === 't' && !id.prefix && !id.intermediates) {
+      // security: always check whether window option is allowed
+      return this._parser.registerCsiHandler(id, params => {
+        if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {
+          return true;
+        }
+        return callback(params);
+      });
+    }
+    return this._parser.registerCsiHandler(id, callback);
+  }
+
+  /**
+   * Forward registerDcsHandler from parser.
+   */
+  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {
+    return this._parser.registerDcsHandler(id, new DcsHandler(callback));
+  }
+
+  /**
+   * Forward registerEscHandler from parser.
+   */
+  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {
+    return this._parser.registerEscHandler(id, callback);
+  }
+
+  /**
+   * Forward registerOscHandler from parser.
+   */
+  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this._parser.registerOscHandler(ident, new OscHandler(callback));
+  }
+
+  /**
+   * BEL
+   * Bell (Ctrl-G).
+   *
+   * @vt: #Y   C0    BEL   "Bell"  "\a, \x07"  "Ring the bell."
+   * The behavior of the bell is further customizable with `ITerminalOptions.bellStyle`
+   * and `ITerminalOptions.bellSound`.
+   */
+  public bell(): boolean {
+    this._onRequestBell.fire();
+    return true;
+  }
+
+  /**
+   * LF
+   * Line Feed or New Line (NL).  (LF  is Ctrl-J).
+   *
+   * @vt: #Y   C0    LF   "Line Feed"            "\n, \x0A"  "Move the cursor one row down, scrolling if needed."
+   * Scrolling is restricted to scroll margins and will only happen on the bottom line.
+   *
+   * @vt: #Y   C0    VT   "Vertical Tabulation"  "\v, \x0B"  "Treated as LF."
+   * @vt: #Y   C0    FF   "Form Feed"            "\f, \x0C"  "Treated as LF."
+   */
+  public lineFeed(): boolean {
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    if (this._optionsService.rawOptions.convertEol) {
+      this._activeBuffer.x = 0;
+    }
+    this._activeBuffer.y++;
+    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {
+      this._activeBuffer.y--;
+      this._bufferService.scroll(this._eraseAttrData());
+    } else if (this._activeBuffer.y >= this._bufferService.rows) {
+      this._activeBuffer.y = this._bufferService.rows - 1;
+    } else {
+      // There was an explicit line feed (not just a carriage return), so clear the wrapped state of
+      // the line. This is particularly important on conpty/Windows where revisiting lines to
+      // reprint is common, especially on resize. Note that the windowsMode wrapped line heuristics
+      // can mess with this so windowsMode should be disabled, which is recommended on Windows build
+      // 21376 and above.
+      this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;
+    }
+    // If the end of the line is hit, prevent this action from wrapping around to the next line.
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      this._activeBuffer.x--;
+    }
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+
+    this._onLineFeed.fire();
+    return true;
+  }
+
+  /**
+   * CR
+   * Carriage Return (Ctrl-M).
+   *
+   * @vt: #Y   C0    CR   "Carriage Return"  "\r, \x0D"  "Move the cursor to the beginning of the row."
+   */
+  public carriageReturn(): boolean {
+    this._activeBuffer.x = 0;
+    return true;
+  }
+
+  /**
+   * BS
+   * Backspace (Ctrl-H).
+   *
+   * @vt: #Y   C0    BS   "Backspace"  "\b, \x08"  "Move the cursor one position to the left."
+   * By default it is not possible to move the cursor past the leftmost position.
+   * If `reverse wrap-around` (`CSI ? 45 h`) is set, a previous soft line wrap (DECAWM)
+   * can be undone with BS within the scroll margins. In that case the cursor will wrap back
+   * to the end of the previous row. Note that it is not possible to peek back into the scrollbuffer
+   * with the cursor, thus at the home position (top-leftmost cell) this has no effect.
+   */
+  public backspace(): boolean {
+    // reverse wrap-around is disabled
+    if (!this._coreService.decPrivateModes.reverseWraparound) {
+      this._restrictCursor();
+      if (this._activeBuffer.x > 0) {
+        this._activeBuffer.x--;
+      }
+      return true;
+    }
+
+    // reverse wrap-around is enabled
+    // other than for normal operation mode, reverse wrap-around allows the cursor
+    // to be at x=cols to be able to address the last cell of a row by BS
+    this._restrictCursor(this._bufferService.cols);
+
+    if (this._activeBuffer.x > 0) {
+      this._activeBuffer.x--;
+    } else {
+      /**
+       * reverse wrap-around handling:
+       * Our implementation deviates from xterm on purpose. Details:
+       * - only previous soft NLs can be reversed (isWrapped=true)
+       * - only works within scrollborders (top/bottom, left/right not yet supported)
+       * - cannot peek into scrollbuffer
+       * - any cursor movement sequence keeps working as expected
+       */
+      if (this._activeBuffer.x === 0
+        && this._activeBuffer.y > this._activeBuffer.scrollTop
+        && this._activeBuffer.y <= this._activeBuffer.scrollBottom
+        && this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)?.isWrapped) {
+        this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;
+        this._activeBuffer.y--;
+        this._activeBuffer.x = this._bufferService.cols - 1;
+        // find last taken cell - last cell can have 3 different states:
+        // - hasContent(true) + hasWidth(1): narrow char - we are done
+        // - hasWidth(0): second part of wide char - we are done
+        // - hasContent(false) + hasWidth(1): empty cell due to early wrapping wide char, go one
+        //   cell further back
+        const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+        if (line.hasWidth(this._activeBuffer.x) && !line.hasContent(this._activeBuffer.x)) {
+          this._activeBuffer.x--;
+          // We do this only once, since width=1 + hasContent=false currently happens only once
+          // before early wrapping of a wide char.
+          // This needs to be fixed once we support graphemes taking more than 2 cells.
+        }
+      }
+    }
+    this._restrictCursor();
+    return true;
+  }
+
+  /**
+   * TAB
+   * Horizontal Tab (HT) (Ctrl-I).
+   *
+   * @vt: #Y   C0    HT   "Horizontal Tabulation"  "\t, \x09"  "Move the cursor to the next character tab stop."
+   */
+  public tab(): boolean {
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      return true;
+    }
+    const originalX = this._activeBuffer.x;
+    this._activeBuffer.x = this._activeBuffer.nextStop();
+    if (this._optionsService.rawOptions.screenReaderMode) {
+      this._onA11yTab.fire(this._activeBuffer.x - originalX);
+    }
+    return true;
+  }
+
+  /**
+   * SO
+   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the
+   * G1 character set.
+   *
+   * @vt: #P[Only limited ISO-2022 charset support.]  C0    SO   "Shift Out"  "\x0E"  "Switch to an alternative character set."
+   */
+  public shiftOut(): boolean {
+    this._charsetService.setgLevel(1);
+    return true;
+  }
+
+  /**
+   * SI
+   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0
+   * character set (the default).
+   *
+   * @vt: #Y   C0    SI   "Shift In"   "\x0F"  "Return to regular character set after Shift Out."
+   */
+  public shiftIn(): boolean {
+    this._charsetService.setgLevel(0);
+    return true;
+  }
+
+  /**
+   * Restrict cursor to viewport size / scroll margin (origin mode).
+   */
+  private _restrictCursor(maxCol: number = this._bufferService.cols - 1): void {
+    this._activeBuffer.x = Math.min(maxCol, Math.max(0, this._activeBuffer.x));
+    this._activeBuffer.y = this._coreService.decPrivateModes.origin
+      ? Math.min(this._activeBuffer.scrollBottom, Math.max(this._activeBuffer.scrollTop, this._activeBuffer.y))
+      : Math.min(this._bufferService.rows - 1, Math.max(0, this._activeBuffer.y));
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+  }
+
+  /**
+   * Set absolute cursor position.
+   */
+  private _setCursor(x: number, y: number): void {
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    if (this._coreService.decPrivateModes.origin) {
+      this._activeBuffer.x = x;
+      this._activeBuffer.y = this._activeBuffer.scrollTop + y;
+    } else {
+      this._activeBuffer.x = x;
+      this._activeBuffer.y = y;
+    }
+    this._restrictCursor();
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+  }
+
+  /**
+   * Set relative cursor position.
+   */
+  private _moveCursor(x: number, y: number): void {
+    // for relative changes we have to make sure we are within 0 .. cols/rows - 1
+    // before calculating the new position
+    this._restrictCursor();
+    this._setCursor(this._activeBuffer.x + x, this._activeBuffer.y + y);
+  }
+
+  /**
+   * CSI Ps A
+   * Cursor Up Ps Times (default = 1) (CUU).
+   *
+   * @vt: #Y CSI CUU   "Cursor Up"   "CSI Ps A"  "Move cursor `Ps` times up (default=1)."
+   * If the cursor would pass the top scroll margin, it will stop there.
+   */
+  public cursorUp(params: IParams): boolean {
+    // stop at scrollTop
+    const diffToTop = this._activeBuffer.y - this._activeBuffer.scrollTop;
+    if (diffToTop >= 0) {
+      this._moveCursor(0, -Math.min(diffToTop, params.params[0] || 1));
+    } else {
+      this._moveCursor(0, -(params.params[0] || 1));
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps B
+   * Cursor Down Ps Times (default = 1) (CUD).
+   *
+   * @vt: #Y CSI CUD   "Cursor Down"   "CSI Ps B"  "Move cursor `Ps` times down (default=1)."
+   * If the cursor would pass the bottom scroll margin, it will stop there.
+   */
+  public cursorDown(params: IParams): boolean {
+    // stop at scrollBottom
+    const diffToBottom = this._activeBuffer.scrollBottom - this._activeBuffer.y;
+    if (diffToBottom >= 0) {
+      this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1));
+    } else {
+      this._moveCursor(0, params.params[0] || 1);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps C
+   * Cursor Forward Ps Times (default = 1) (CUF).
+   *
+   * @vt: #Y CSI CUF   "Cursor Forward"    "CSI Ps C"  "Move cursor `Ps` times forward (default=1)."
+   */
+  public cursorForward(params: IParams): boolean {
+    this._moveCursor(params.params[0] || 1, 0);
+    return true;
+  }
+
+  /**
+   * CSI Ps D
+   * Cursor Backward Ps Times (default = 1) (CUB).
+   *
+   * @vt: #Y CSI CUB   "Cursor Backward"   "CSI Ps D"  "Move cursor `Ps` times backward (default=1)."
+   */
+  public cursorBackward(params: IParams): boolean {
+    this._moveCursor(-(params.params[0] || 1), 0);
+    return true;
+  }
+
+  /**
+   * CSI Ps E
+   * Cursor Next Line Ps Times (default = 1) (CNL).
+   * Other than cursorDown (CUD) also set the cursor to first column.
+   *
+   * @vt: #Y CSI CNL   "Cursor Next Line"  "CSI Ps E"  "Move cursor `Ps` times down (default=1) and to the first column."
+   * Same as CUD, additionally places the cursor at the first column.
+   */
+  public cursorNextLine(params: IParams): boolean {
+    this.cursorDown(params);
+    this._activeBuffer.x = 0;
+    return true;
+  }
+
+  /**
+   * CSI Ps F
+   * Cursor Previous Line Ps Times (default = 1) (CPL).
+   * Other than cursorUp (CUU) also set the cursor to first column.
+   *
+   * @vt: #Y CSI CPL   "Cursor Backward"   "CSI Ps F"  "Move cursor `Ps` times up (default=1) and to the first column."
+   * Same as CUU, additionally places the cursor at the first column.
+   */
+  public cursorPrecedingLine(params: IParams): boolean {
+    this.cursorUp(params);
+    this._activeBuffer.x = 0;
+    return true;
+  }
+
+  /**
+   * CSI Ps G
+   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).
+   *
+   * @vt: #Y CSI CHA   "Cursor Horizontal Absolute" "CSI Ps G" "Move cursor to `Ps`-th column of the active row (default=1)."
+   */
+  public cursorCharAbsolute(params: IParams): boolean {
+    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps H
+   * Cursor Position [row;column] (default = [1,1]) (CUP).
+   *
+   * @vt: #Y CSI CUP   "Cursor Position"   "CSI Ps ; Ps H"  "Set cursor to position [`Ps`, `Ps`] (default = [1, 1])."
+   * If ORIGIN mode is set, places the cursor to the absolute position within the scroll margins.
+   * If ORIGIN mode is not set, places the cursor to the absolute position within the viewport.
+   * Note that the coordinates are 1-based, thus the top left position starts at `1 ; 1`.
+   */
+  public cursorPosition(params: IParams): boolean {
+    this._setCursor(
+      // col
+      (params.length >= 2) ? (params.params[1] || 1) - 1 : 0,
+      // row
+      (params.params[0] || 1) - 1
+    );
+    return true;
+  }
+
+  /**
+   * CSI Pm `  Character Position Absolute
+   *   [column] (default = [row,1]) (HPA).
+   * Currently same functionality as CHA.
+   *
+   * @vt: #Y CSI HPA   "Horizontal Position Absolute"  "CSI Ps ` " "Same as CHA."
+   */
+  public charPosAbsolute(params: IParams): boolean {
+    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);
+    return true;
+  }
+
+  /**
+   * CSI Pm a  Character Position Relative
+   *   [columns] (default = [row,col+1]) (HPR)
+   *
+   * @vt: #Y CSI HPR   "Horizontal Position Relative"  "CSI Ps a"  "Same as CUF."
+   */
+  public hPositionRelative(params: IParams): boolean {
+    this._moveCursor(params.params[0] || 1, 0);
+    return true;
+  }
+
+  /**
+   * CSI Pm d  Vertical Position Absolute (VPA)
+   *   [row] (default = [1,column])
+   *
+   * @vt: #Y CSI VPA   "Vertical Position Absolute"    "CSI Ps d"  "Move cursor to `Ps`-th row (default=1)."
+   */
+  public linePosAbsolute(params: IParams): boolean {
+    this._setCursor(this._activeBuffer.x, (params.params[0] || 1) - 1);
+    return true;
+  }
+
+  /**
+   * CSI Pm e  Vertical Position Relative (VPR)
+   *   [rows] (default = [row+1,column])
+   * reuse CSI Ps B ?
+   *
+   * @vt: #Y CSI VPR   "Vertical Position Relative"    "CSI Ps e"  "Move cursor `Ps` times down (default=1)."
+   */
+  public vPositionRelative(params: IParams): boolean {
+    this._moveCursor(0, params.params[0] || 1);
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps f
+   *   Horizontal and Vertical Position [row;column] (default =
+   *   [1,1]) (HVP).
+   *   Same as CUP.
+   *
+   * @vt: #Y CSI HVP   "Horizontal and Vertical Position" "CSI Ps ; Ps f"  "Same as CUP."
+   */
+  public hVPosition(params: IParams): boolean {
+    this.cursorPosition(params);
+    return true;
+  }
+
+  /**
+   * CSI Ps g  Tab Clear (TBC).
+   *     Ps = 0  -> Clear Current Column (default).
+   *     Ps = 3  -> Clear All.
+   * Potentially:
+   *   Ps = 2  -> Clear Stops on Line.
+   *   http://vt100.net/annarbor/aaa-ug/section6.html
+   *
+   * @vt: #Y CSI TBC   "Tab Clear" "CSI Ps g"  "Clear tab stops at current position (0) or all (3) (default=0)."
+   * Clearing tabstops off the active row (Ps = 2, VT100) is currently not supported.
+   */
+  public tabClear(params: IParams): boolean {
+    const param = params.params[0];
+    if (param === 0) {
+      delete this._activeBuffer.tabs[this._activeBuffer.x];
+    } else if (param === 3) {
+      this._activeBuffer.tabs = {};
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps I
+   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
+   *
+   * @vt: #Y CSI CHT   "Cursor Horizontal Tabulation" "CSI Ps I" "Move cursor `Ps` times tabs forward (default=1)."
+   */
+  public cursorForwardTab(params: IParams): boolean {
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      return true;
+    }
+    let param = params.params[0] || 1;
+    while (param--) {
+      this._activeBuffer.x = this._activeBuffer.nextStop();
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
+   *
+   * @vt: #Y CSI CBT   "Cursor Backward Tabulation"  "CSI Ps Z"  "Move cursor `Ps` tabs backward (default=1)."
+   */
+  public cursorBackwardTab(params: IParams): boolean {
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      return true;
+    }
+    let param = params.params[0] || 1;
+
+    while (param--) {
+      this._activeBuffer.x = this._activeBuffer.prevStop();
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps " q  Select Character Protection Attribute (DECSCA).
+   *
+   * @vt: #Y CSI DECSCA   "Select Character Protection Attribute"  "CSI Ps " q"  "Whether DECSED and DECSEL can erase (0=default, 2) or not (1)."
+   */
+  public selectProtected(params: IParams): boolean {
+    const p = params.params[0];
+    if (p === 1) this._curAttrData.bg |= BgFlags.PROTECTED;
+    if (p === 2 || p === 0) this._curAttrData.bg &= ~BgFlags.PROTECTED;
+    return true;
+  }
+
+
+  /**
+   * Helper method to erase cells in a terminal row.
+   * The cell gets replaced with the eraseChar of the terminal.
+   * @param y The row index relative to the viewport.
+   * @param start The start x index of the range to be erased.
+   * @param end The end x index of the range to be erased (exclusive).
+   * @param clearWrap clear the isWrapped flag
+   * @param respectProtect Whether to respect the protection attribute (DECSCA).
+   */
+  private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false, respectProtect: boolean = false): void {
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+    line.replaceCells(
+      start,
+      end,
+      this._activeBuffer.getNullCell(this._eraseAttrData()),
+      respectProtect
+    );
+    if (clearWrap) {
+      line.isWrapped = false;
+    }
+  }
+
+  /**
+   * Helper method to reset cells in a terminal row. The cell gets replaced with the eraseChar of
+   * the terminal and the isWrapped property is set to false.
+   * @param y row index
+   */
+  private _resetBufferLine(y: number, respectProtect: boolean = false): void {
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y);
+    if (line) {
+      line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()), respectProtect);
+      this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase + y);
+      line.isWrapped = false;
+    }
+  }
+
+  /**
+   * CSI Ps J  Erase in Display (ED).
+   *     Ps = 0  -> Erase Below (default).
+   *     Ps = 1  -> Erase Above.
+   *     Ps = 2  -> Erase All.
+   *     Ps = 3  -> Erase Saved Lines (xterm).
+   * CSI ? Ps J
+   *   Erase in Display (DECSED).
+   *     Ps = 0  -> Selective Erase Below (default).
+   *     Ps = 1  -> Selective Erase Above.
+   *     Ps = 2  -> Selective Erase All.
+   *
+   * @vt: #Y CSI ED  "Erase In Display"  "CSI Ps J"  "Erase various parts of the viewport."
+   * Supported param values:
+   *
+   * | Ps | Effect                                                       |
+   * | -- | ------------------------------------------------------------ |
+   * | 0  | Erase from the cursor through the end of the viewport.       |
+   * | 1  | Erase from the beginning of the viewport through the cursor. |
+   * | 2  | Erase complete viewport.                                     |
+   * | 3  | Erase scrollback.                                            |
+   *
+   * @vt: #Y CSI DECSED   "Selective Erase In Display"  "CSI ? Ps J"  "Same as ED with respecting protection flag."
+   */
+  public eraseInDisplay(params: IParams, respectProtect: boolean = false): boolean {
+    this._restrictCursor(this._bufferService.cols);
+    let j;
+    switch (params.params[0]) {
+      case 0:
+        j = this._activeBuffer.y;
+        this._dirtyRowTracker.markDirty(j);
+        this._eraseInBufferLine(j++, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);
+        for (; j < this._bufferService.rows; j++) {
+          this._resetBufferLine(j, respectProtect);
+        }
+        this._dirtyRowTracker.markDirty(j);
+        break;
+      case 1:
+        j = this._activeBuffer.y;
+        this._dirtyRowTracker.markDirty(j);
+        // Deleted front part of line and everything before. This line will no longer be wrapped.
+        this._eraseInBufferLine(j, 0, this._activeBuffer.x + 1, true, respectProtect);
+        if (this._activeBuffer.x + 1 >= this._bufferService.cols) {
+          // Deleted entire previous line. This next line can no longer be wrapped.
+          this._activeBuffer.lines.get(j + 1)!.isWrapped = false;
+        }
+        while (j--) {
+          this._resetBufferLine(j, respectProtect);
+        }
+        this._dirtyRowTracker.markDirty(0);
+        break;
+      case 2:
+        j = this._bufferService.rows;
+        this._dirtyRowTracker.markDirty(j - 1);
+        while (j--) {
+          this._resetBufferLine(j, respectProtect);
+        }
+        this._dirtyRowTracker.markDirty(0);
+        break;
+      case 3:
+        // Clear scrollback (everything not in viewport)
+        const scrollBackSize = this._activeBuffer.lines.length - this._bufferService.rows;
+        if (scrollBackSize > 0) {
+          this._activeBuffer.lines.trimStart(scrollBackSize);
+          this._activeBuffer.ybase = Math.max(this._activeBuffer.ybase - scrollBackSize, 0);
+          this._activeBuffer.ydisp = Math.max(this._activeBuffer.ydisp - scrollBackSize, 0);
+          // Force a scroll event to refresh viewport
+          this._onScroll.fire(0);
+        }
+        break;
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps K  Erase in Line (EL).
+   *     Ps = 0  -> Erase to Right (default).
+   *     Ps = 1  -> Erase to Left.
+   *     Ps = 2  -> Erase All.
+   * CSI ? Ps K
+   *   Erase in Line (DECSEL).
+   *     Ps = 0  -> Selective Erase to Right (default).
+   *     Ps = 1  -> Selective Erase to Left.
+   *     Ps = 2  -> Selective Erase All.
+   *
+   * @vt: #Y CSI EL    "Erase In Line"  "CSI Ps K"  "Erase various parts of the active row."
+   * Supported param values:
+   *
+   * | Ps | Effect                                                   |
+   * | -- | -------------------------------------------------------- |
+   * | 0  | Erase from the cursor through the end of the row.        |
+   * | 1  | Erase from the beginning of the line through the cursor. |
+   * | 2  | Erase complete line.                                     |
+   *
+   * @vt: #Y CSI DECSEL   "Selective Erase In Line"  "CSI ? Ps K"  "Same as EL with respecting protecting flag."
+   */
+  public eraseInLine(params: IParams, respectProtect: boolean = false): boolean {
+    this._restrictCursor(this._bufferService.cols);
+    switch (params.params[0]) {
+      case 0:
+        this._eraseInBufferLine(this._activeBuffer.y, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);
+        break;
+      case 1:
+        this._eraseInBufferLine(this._activeBuffer.y, 0, this._activeBuffer.x + 1, false, respectProtect);
+        break;
+      case 2:
+        this._eraseInBufferLine(this._activeBuffer.y, 0, this._bufferService.cols, true, respectProtect);
+        break;
+    }
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    return true;
+  }
+
+  /**
+   * CSI Ps L
+   * Insert Ps Line(s) (default = 1) (IL).
+   *
+   * @vt: #Y CSI IL  "Insert Line"   "CSI Ps L"  "Insert `Ps` blank lines at active row (default=1)."
+   * For every inserted line at the scroll top one line at the scroll bottom gets removed.
+   * The cursor is set to the first column.
+   * IL has no effect if the cursor is outside the scroll margins.
+   */
+  public insertLines(params: IParams): boolean {
+    this._restrictCursor();
+    let param = params.params[0] || 1;
+
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+
+    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;
+
+    const scrollBottomRowsOffset = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;
+    const scrollBottomAbsolute = this._bufferService.rows - 1 + this._activeBuffer.ybase - scrollBottomRowsOffset + 1;
+    while (param--) {
+      // test: echo -e '\e[44m\e[1L\e[0m'
+      // blankLine(true) - xterm/linux behavior
+      this._activeBuffer.lines.splice(scrollBottomAbsolute - 1, 1);
+      this._activeBuffer.lines.splice(row, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+    }
+
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);
+    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?
+    return true;
+  }
+
+  /**
+   * CSI Ps M
+   * Delete Ps Line(s) (default = 1) (DL).
+   *
+   * @vt: #Y CSI DL  "Delete Line"   "CSI Ps M"  "Delete `Ps` lines at active row (default=1)."
+   * For every deleted line at the scroll top one blank line at the scroll bottom gets appended.
+   * The cursor is set to the first column.
+   * DL has no effect if the cursor is outside the scroll margins.
+   */
+  public deleteLines(params: IParams): boolean {
+    this._restrictCursor();
+    let param = params.params[0] || 1;
+
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+
+    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;
+
+    let j: number;
+    j = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;
+    j = this._bufferService.rows - 1 + this._activeBuffer.ybase - j;
+    while (param--) {
+      // test: echo -e '\e[44m\e[1M\e[0m'
+      // blankLine(true) - xterm/linux behavior
+      this._activeBuffer.lines.splice(row, 1);
+      this._activeBuffer.lines.splice(j, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+    }
+
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);
+    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?
+    return true;
+  }
+
+  /**
+   * CSI Ps @
+   * Insert Ps (Blank) Character(s) (default = 1) (ICH).
+   *
+   * @vt: #Y CSI ICH  "Insert Characters"   "CSI Ps @"  "Insert `Ps` (blank) characters (default = 1)."
+   * The ICH sequence inserts `Ps` blank characters. The cursor remains at the beginning of the
+   * blank characters. Text between the cursor and right margin moves to the right. Characters moved
+   * past the right margin are lost.
+   *
+   *
+   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)
+   */
+  public insertChars(params: IParams): boolean {
+    this._restrictCursor();
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
+    if (line) {
+      line.insertCells(
+        this._activeBuffer.x,
+        params.params[0] || 1,
+        this._activeBuffer.getNullCell(this._eraseAttrData())
+      );
+      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps P
+   * Delete Ps Character(s) (default = 1) (DCH).
+   *
+   * @vt: #Y CSI DCH   "Delete Character"  "CSI Ps P"  "Delete `Ps` characters (default=1)."
+   * As characters are deleted, the remaining characters between the cursor and right margin move to
+   * the left. Character attributes move with the characters. The terminal adds blank characters at
+   * the right margin.
+   *
+   *
+   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)
+   */
+  public deleteChars(params: IParams): boolean {
+    this._restrictCursor();
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
+    if (line) {
+      line.deleteCells(
+        this._activeBuffer.x,
+        params.params[0] || 1,
+        this._activeBuffer.getNullCell(this._eraseAttrData())
+      );
+      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).
+   *
+   * @vt: #Y CSI SU  "Scroll Up"   "CSI Ps S"  "Scroll `Ps` lines up (default=1)."
+   *
+   *
+   * FIXME: scrolled out lines at top = 1 should add to scrollback (xterm)
+   */
+  public scrollUp(params: IParams): boolean {
+    let param = params.params[0] || 1;
+
+    while (param--) {
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 1);
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).
+   *
+   * @vt: #Y CSI SD  "Scroll Down"   "CSI Ps T"  "Scroll `Ps` lines down (default=1)."
+   */
+  public scrollDown(params: IParams): boolean {
+    let param = params.params[0] || 1;
+
+    while (param--) {
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 1);
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 0, this._activeBuffer.getBlankLine(DEFAULT_ATTR_DATA));
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps SP @  Scroll left Ps columns (default = 1) (SL) ECMA-48
+   *
+   * Notation: (Pn)
+   * Representation: CSI Pn 02/00 04/00
+   * Parameter default value: Pn = 1
+   * SL causes the data in the presentation component to be moved by n character positions
+   * if the line orientation is horizontal, or by n line positions if the line orientation
+   * is vertical, such that the data appear to move to the left; where n equals the value of Pn.
+   * The active presentation position is not affected by this control function.
+   *
+   * Supported:
+   *   - always left shift (no line orientation setting respected)
+   *
+   * @vt: #Y CSI SL  "Scroll Left" "CSI Ps SP @" "Scroll viewport `Ps` times to the left."
+   * SL moves the content of all lines within the scroll margins `Ps` times to the left.
+   * SL has no effect outside of the scroll margins.
+   */
+  public scrollLeft(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.deleteCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()));
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps SP A  Scroll right Ps columns (default = 1) (SR) ECMA-48
+   *
+   * Notation: (Pn)
+   * Representation: CSI Pn 02/00 04/01
+   * Parameter default value: Pn = 1
+   * SR causes the data in the presentation component to be moved by n character positions
+   * if the line orientation is horizontal, or by n line positions if the line orientation
+   * is vertical, such that the data appear to move to the right; where n equals the value of Pn.
+   * The active presentation position is not affected by this control function.
+   *
+   * Supported:
+   *   - always right shift (no line orientation setting respected)
+   *
+   * @vt: #Y CSI SR  "Scroll Right"  "CSI Ps SP A"   "Scroll viewport `Ps` times to the right."
+   * SL moves the content of all lines within the scroll margins `Ps` times to the right.
+   * Content at the right margin is lost.
+   * SL has no effect outside of the scroll margins.
+   */
+  public scrollRight(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.insertCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()));
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Pm ' }
+   * Insert Ps Column(s) (default = 1) (DECIC), VT420 and up.
+   *
+   * @vt: #Y CSI DECIC "Insert Columns"  "CSI Ps ' }"  "Insert `Ps` columns at cursor position."
+   * DECIC inserts `Ps` times blank columns at the cursor position for all lines with the scroll
+   * margins, moving content to the right. Content at the right margin is lost. DECIC has no effect
+   * outside the scrolling margins.
+   */
+  public insertColumns(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.insertCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()));
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Pm ' ~
+   * Delete Ps Column(s) (default = 1) (DECDC), VT420 and up.
+   *
+   * @vt: #Y CSI DECDC "Delete Columns"  "CSI Ps ' ~"  "Delete `Ps` columns at cursor position."
+   * DECDC deletes `Ps` times columns at the cursor position for all lines with the scroll margins,
+   * moving content to the left. Blank columns are added at the right margin.
+   * DECDC has no effect outside the scrolling margins.
+   */
+  public deleteColumns(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.deleteCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()));
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps X
+   * Erase Ps Character(s) (default = 1) (ECH).
+   *
+   * @vt: #Y CSI ECH   "Erase Character"   "CSI Ps X"  "Erase `Ps` characters from current cursor position to the right (default=1)."
+   * ED erases `Ps` characters from current cursor position to the right.
+   * ED works inside or outside the scrolling margins.
+   */
+  public eraseChars(params: IParams): boolean {
+    this._restrictCursor();
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
+    if (line) {
+      line.replaceCells(
+        this._activeBuffer.x,
+        this._activeBuffer.x + (params.params[0] || 1),
+        this._activeBuffer.getNullCell(this._eraseAttrData())
+      );
+      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).
+   * From ECMA 48 (@see http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf)
+   *    Notation: (Pn)
+   *    Representation: CSI Pn 06/02
+   *    Parameter default value: Pn = 1
+   *    REP is used to indicate that the preceding character in the data stream,
+   *    if it is a graphic character (represented by one or more bit combinations) including SPACE,
+   *    is to be repeated n times, where n equals the value of Pn.
+   *    If the character preceding REP is a control function or part of a control function,
+   *    the effect of REP is not defined by this Standard.
+   *
+   * We extend xterm's behavior to allow repeating entire grapheme clusters.
+   * This isn't 100% xterm-compatible, but it seems saner and more useful.
+   *    - text attrs are applied normally
+   *    - wrap around is respected
+   *    - any valid sequence resets the carried forward char
+   *
+   * Note: To get reset on a valid sequence working correctly without much runtime penalty, the
+   * preceding codepoint is stored on the parser in `this.print` and reset during `parser.parse`.
+   *
+   * @vt: #Y CSI REP   "Repeat Preceding Character"    "CSI Ps b"  "Repeat preceding character `Ps` times (default=1)."
+   * REP repeats the previous character `Ps` times advancing the cursor, also wrapping if DECAWM is
+   * set. REP has no effect if the sequence does not follow a printable ASCII character
+   * (NOOP for any other sequence in between or NON ASCII characters).
+   */
+  public repeatPrecedingCharacter(params: IParams): boolean {
+    const joinState = this._parser.precedingJoinState;
+    if (!joinState) {
+      return true;
+    }
+    // call print to insert the chars and handle correct wrapping
+    const length = params.params[0] || 1;
+    const chWidth = UnicodeService.extractWidth(joinState);
+    const x = this._activeBuffer.x - chWidth;
+    const bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+    const text = bufferRow.getString(x);
+    const data = new Uint32Array(text.length * length);
+    let idata = 0;
+    for (let itext = 0; itext < text.length; ) {
+      const ch = text.codePointAt(itext) || 0;
+      data[idata++] = ch;
+      itext += ch > 0xffff ? 2 : 1;
+    }
+    let tlength = idata;
+    for (let i = 1; i < length; ++i) {
+      data.copyWithin(tlength, 0, idata);
+      tlength += idata;
+    }
+    this.print(data, 0, tlength);
+    return true;
+  }
+
+  /**
+   * CSI Ps c  Send Device Attributes (Primary DA).
+   *     Ps = 0  or omitted -> request attributes from terminal.  The
+   *     response depends on the decTerminalID resource setting.
+   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')
+   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')
+   *     -> CSI ? 6 c  (``VT102'')
+   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')
+   *   The VT100-style response parameters do not mean anything by
+   *   themselves.  VT220 parameters do, telling the host what fea-
+   *   tures the terminal supports:
+   *     Ps = 1  -> 132-columns.
+   *     Ps = 2  -> Printer.
+   *     Ps = 6  -> Selective erase.
+   *     Ps = 8  -> User-defined keys.
+   *     Ps = 9  -> National replacement character sets.
+   *     Ps = 1 5  -> Technical characters.
+   *     Ps = 2 2  -> ANSI color, e.g., VT525.
+   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).
+   *
+   * @vt: #Y CSI DA1   "Primary Device Attributes"     "CSI c"  "Send primary device attributes."
+   *
+   *
+   * TODO: fix and cleanup response
+   */
+  public sendDeviceAttributesPrimary(params: IParams): boolean {
+    if (params.params[0] > 0) {
+      return true;
+    }
+    if (this._is('xterm') || this._is('rxvt-unicode') || this._is('screen')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[?1;2c');
+    } else if (this._is('linux')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[?6c');
+    }
+    return true;
+  }
+
+  /**
+   * CSI > Ps c
+   *   Send Device Attributes (Secondary DA).
+   *     Ps = 0  or omitted -> request the terminal's identification
+   *     code.  The response depends on the decTerminalID resource set-
+   *     ting.  It should apply only to VT220 and up, but xterm extends
+   *     this to VT100.
+   *     -> CSI  > Pp ; Pv ; Pc c
+   *   where Pp denotes the terminal type
+   *     Pp = 0  -> ``VT100''.
+   *     Pp = 1  -> ``VT220''.
+   *   and Pv is the firmware version (for xterm, this was originally
+   *   the XFree86 patch number, starting with 95).  In a DEC termi-
+   *   nal, Pc indicates the ROM cartridge registration number and is
+   *   always zero.
+   * More information:
+   *   xterm/charproc.c - line 2012, for more information.
+   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
+   *
+   * @vt: #Y CSI DA2   "Secondary Device Attributes"   "CSI > c" "Send primary device attributes."
+   *
+   *
+   * TODO: fix and cleanup response
+   */
+  public sendDeviceAttributesSecondary(params: IParams): boolean {
+    if (params.params[0] > 0) {
+      return true;
+    }
+    // xterm and urxvt
+    // seem to spit this
+    // out around ~370 times (?).
+    if (this._is('xterm')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[>0;276;0c');
+    } else if (this._is('rxvt-unicode')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[>85;95;0c');
+    } else if (this._is('linux')) {
+      // not supported by linux console.
+      // linux console echoes parameters.
+      this._coreService.triggerDataEvent(params.params[0] + 'c');
+    } else if (this._is('screen')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[>83;40003;0c');
+    }
+    return true;
+  }
+
+  /**
+   * Evaluate if the current terminal is the given argument.
+   * @param term The terminal name to evaluate
+   */
+  private _is(term: string): boolean {
+    return (this._optionsService.rawOptions.termName + '').indexOf(term) === 0;
+  }
+
+  /**
+   * CSI Pm h  Set Mode (SM).
+   *     Ps = 2  -> Keyboard Action Mode (AM).
+   *     Ps = 4  -> Insert Mode (IRM).
+   *     Ps = 1 2  -> Send/receive (SRM).
+   *     Ps = 2 0  -> Automatic Newline (LNM).
+   *
+   * @vt: #P[Only IRM is supported.]    CSI SM    "Set Mode"  "CSI Pm h"  "Set various terminal modes."
+   * Supported param values by SM:
+   *
+   * | Param | Action                                 | Support |
+   * | ----- | -------------------------------------- | ------- |
+   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |
+   * | 4     | Insert Mode (IRM).                     | #Y      |
+   * | 12    | Send/receive (SRM). Always off.        | #N      |
+   * | 20    | Automatic Newline (LNM).               | #Y      |
+   */
+  public setMode(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 4:
+          this._coreService.modes.insertMode = true;
+          break;
+        case 20:
+          this._optionsService.options.convertEol = true;
+          break;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI ? Pm h
+   *   DEC Private Mode Set (DECSET).
+   *     Ps = 1  -> Application Cursor Keys (DECCKM).
+   *     Ps = 2  -> Designate USASCII for character sets G0-G3
+   *     (DECANM), and set VT100 mode.
+   *     Ps = 3  -> 132 Column Mode (DECCOLM).
+   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).
+   *     Ps = 5  -> Reverse Video (DECSCNM).
+   *     Ps = 6  -> Origin Mode (DECOM).
+   *     Ps = 7  -> Wraparound Mode (DECAWM).
+   *     Ps = 8  -> Auto-repeat Keys (DECARM).
+   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-
+   *     tion Mouse Tracking.
+   *     Ps = 1 0  -> Show toolbar (rxvt).
+   *     Ps = 1 2  -> Start Blinking Cursor (att610).
+   *     Ps = 1 8  -> Print form feed (DECPFF).
+   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).
+   *     Ps = 2 5  -> Show Cursor (DECTCEM).
+   *     Ps = 3 0  -> Show scrollbar (rxvt).
+   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).
+   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).
+   *     Ps = 4 0  -> Allow 80 -> 132 Mode.
+   *     Ps = 4 1  -> more(1) fix (see curses resource).
+   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-
+   *     RCM).
+   *     Ps = 4 4  -> Turn On Margin Bell.
+   *     Ps = 4 5  -> Reverse-wraparound Mode.
+   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a
+   *     compile-time option.
+   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-
+   *     abled by the titeInhibit resource).
+   *     Ps = 6 6  -> Application keypad (DECNKM).
+   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).
+   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and
+   *     release.  See the section Mouse Tracking.
+   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.
+   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.
+   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.
+   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.
+   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.
+   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).
+   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).
+   *     Ps = 1 0 3 4  -> Interpret "meta" key, sets eighth bit.
+   *     (enables the eightBitInput resource).
+   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-
+   *     Lock keys.  (This enables the numLock resource).
+   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This
+   *     enables the metaSendsEscape resource).
+   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete
+   *     key.
+   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This
+   *     enables the altSendsEscape resource).
+   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.
+   *     (This enables the keepSelection resource).
+   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables
+   *     the selectToClipboard resource).
+   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when
+   *     Control-G is received.  (This enables the bellIsUrgent
+   *     resource).
+   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G
+   *     is received.  (enables the popOnBell resource).
+   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be
+   *     disabled by the titeInhibit resource).
+   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-
+   *     abled by the titeInhibit resource).
+   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate
+   *     Screen Buffer, clearing it first.  (This may be disabled by
+   *     the titeInhibit resource).  This combines the effects of the 1
+   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based
+   *     applications rather than the 4 7  mode.
+   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.
+   *     Ps = 1 0 5 1  -> Set Sun function-key mode.
+   *     Ps = 1 0 5 2  -> Set HP function-key mode.
+   *     Ps = 1 0 5 3  -> Set SCO function-key mode.
+   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).
+   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.
+   *     Ps = 2 0 0 4  -> Set bracketed paste mode.
+   * Modes:
+   *   http: *vt100.net/docs/vt220-rm/chapter4.html
+   *
+   * @vt: #P[See below for supported modes.]    CSI DECSET  "DEC Private Set Mode" "CSI ? Pm h"  "Set various terminal attributes."
+   * Supported param values by DECSET:
+   *
+   * | param | Action                                                  | Support |
+   * | ----- | ------------------------------------------------------- | --------|
+   * | 1     | Application Cursor Keys (DECCKM).                       | #Y      |
+   * | 2     | Designate US-ASCII for character sets G0-G3 (DECANM).   | #Y      |
+   * | 3     | 132 Column Mode (DECCOLM).                              | #Y      |
+   * | 6     | Origin Mode (DECOM).                                    | #Y      |
+   * | 7     | Auto-wrap Mode (DECAWM).                                | #Y      |
+   * | 8     | Auto-repeat Keys (DECARM). Always on.                   | #N      |
+   * | 9     | X10 xterm mouse protocol.                               | #Y      |
+   * | 12    | Start Blinking Cursor.                                  | #Y      |
+   * | 25    | Show Cursor (DECTCEM).                                  | #Y      |
+   * | 45    | Reverse wrap-around.                                    | #Y      |
+   * | 47    | Use Alternate Screen Buffer.                            | #Y      |
+   * | 66    | Application keypad (DECNKM).                            | #Y      |
+   * | 1000  | X11 xterm mouse protocol.                               | #Y      |
+   * | 1002  | Use Cell Motion Mouse Tracking.                         | #Y      |
+   * | 1003  | Use All Motion Mouse Tracking.                          | #Y      |
+   * | 1004  | Send FocusIn/FocusOut events                            | #Y      |
+   * | 1005  | Enable UTF-8 Mouse Mode.                                | #N      |
+   * | 1006  | Enable SGR Mouse Mode.                                  | #Y      |
+   * | 1015  | Enable urxvt Mouse Mode.                                | #N      |
+   * | 1016  | Enable SGR-Pixels Mouse Mode.                           | #Y      |
+   * | 1047  | Use Alternate Screen Buffer.                            | #Y      |
+   * | 1048  | Save cursor as in DECSC.                                | #Y      |
+   * | 1049  | Save cursor and switch to alternate buffer clearing it. | #P[Does not clear the alternate buffer.] |
+   * | 2004  | Set bracketed paste mode.                               | #Y      |
+   *
+   *
+   * FIXME: implement DECSCNM, 1049 should clear altbuffer
+   */
+  public setModePrivate(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 1:
+          this._coreService.decPrivateModes.applicationCursorKeys = true;
+          break;
+        case 2:
+          this._charsetService.setgCharset(0, DEFAULT_CHARSET);
+          this._charsetService.setgCharset(1, DEFAULT_CHARSET);
+          this._charsetService.setgCharset(2, DEFAULT_CHARSET);
+          this._charsetService.setgCharset(3, DEFAULT_CHARSET);
+          // set VT100 mode here
+          break;
+        case 3:
+          /**
+           * DECCOLM - 132 column mode.
+           * This is only active if 'SetWinLines' (24) is enabled
+           * through `options.windowsOptions`.
+           */
+          if (this._optionsService.rawOptions.windowOptions.setWinLines) {
+            this._bufferService.resize(132, this._bufferService.rows);
+            this._onRequestReset.fire();
+          }
+          break;
+        case 6:
+          this._coreService.decPrivateModes.origin = true;
+          this._setCursor(0, 0);
+          break;
+        case 7:
+          this._coreService.decPrivateModes.wraparound = true;
+          break;
+        case 12:
+          this._optionsService.options.cursorBlink = true;
+          break;
+        case 45:
+          this._coreService.decPrivateModes.reverseWraparound = true;
+          break;
+        case 66:
+          this._logService.debug('Serial port requested application keypad.');
+          this._coreService.decPrivateModes.applicationKeypad = true;
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 9: // X10 Mouse
+          // no release, no motion, no wheel, no modifiers.
+          this._coreMouseService.activeProtocol = 'X10';
+          break;
+        case 1000: // vt200 mouse
+          // no motion.
+          this._coreMouseService.activeProtocol = 'VT200';
+          break;
+        case 1002: // button event mouse
+          this._coreMouseService.activeProtocol = 'DRAG';
+          break;
+        case 1003: // any event mouse
+          // any event - sends motion events,
+          // even if there is no button held down.
+          this._coreMouseService.activeProtocol = 'ANY';
+          break;
+        case 1004: // send focusin/focusout events
+          // focusin: ^[[I
+          // focusout: ^[[O
+          this._coreService.decPrivateModes.sendFocus = true;
+          this._onRequestSendFocus.fire();
+          break;
+        case 1005: // utf8 ext mode mouse - removed in #2507
+          this._logService.debug('DECSET 1005 not supported (see #2507)');
+          break;
+        case 1006: // sgr ext mode mouse
+          this._coreMouseService.activeEncoding = 'SGR';
+          break;
+        case 1015: // urxvt ext mode mouse - removed in #2507
+          this._logService.debug('DECSET 1015 not supported (see #2507)');
+          break;
+        case 1016: // sgr pixels mode mouse
+          this._coreMouseService.activeEncoding = 'SGR_PIXELS';
+          break;
+        case 25: // show cursor
+          this._coreService.isCursorHidden = false;
+          break;
+        case 1048: // alt screen cursor
+          this.saveCursor();
+          break;
+        case 1049: // alt screen buffer cursor
+          this.saveCursor();
+        // FALL-THROUGH
+        case 47: // alt screen buffer
+        case 1047: // alt screen buffer
+          this._bufferService.buffers.activateAltBuffer(this._eraseAttrData());
+          this._coreService.isCursorInitialized = true;
+          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)
+          this._coreService.decPrivateModes.bracketedPasteMode = true;
+          break;
+      }
+    }
+    return true;
+  }
+
+
+  /**
+   * CSI Pm l  Reset Mode (RM).
+   *     Ps = 2  -> Keyboard Action Mode (AM).
+   *     Ps = 4  -> Replace Mode (IRM).
+   *     Ps = 1 2  -> Send/receive (SRM).
+   *     Ps = 2 0  -> Normal Linefeed (LNM).
+   *
+   * @vt: #P[Only IRM is supported.]    CSI RM    "Reset Mode"  "CSI Pm l"  "Set various terminal attributes."
+   * Supported param values by RM:
+   *
+   * | Param | Action                                 | Support |
+   * | ----- | -------------------------------------- | ------- |
+   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |
+   * | 4     | Replace Mode (IRM). (default)          | #Y      |
+   * | 12    | Send/receive (SRM). Always off.        | #N      |
+   * | 20    | Normal Linefeed (LNM).                 | #Y      |
+   *
+   *
+   * FIXME: why is LNM commented out?
+   */
+  public resetMode(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 4:
+          this._coreService.modes.insertMode = false;
+          break;
+        case 20:
+          this._optionsService.options.convertEol = false;
+          break;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI ? Pm l
+   *   DEC Private Mode Reset (DECRST).
+   *     Ps = 1  -> Normal Cursor Keys (DECCKM).
+   *     Ps = 2  -> Designate VT52 mode (DECANM).
+   *     Ps = 3  -> 80 Column Mode (DECCOLM).
+   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).
+   *     Ps = 5  -> Normal Video (DECSCNM).
+   *     Ps = 6  -> Normal Cursor Mode (DECOM).
+   *     Ps = 7  -> No Wraparound Mode (DECAWM).
+   *     Ps = 8  -> No Auto-repeat Keys (DECARM).
+   *     Ps = 9  -> Don't send Mouse X & Y on button press.
+   *     Ps = 1 0  -> Hide toolbar (rxvt).
+   *     Ps = 1 2  -> Stop Blinking Cursor (att610).
+   *     Ps = 1 8  -> Don't print form feed (DECPFF).
+   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).
+   *     Ps = 2 5  -> Hide Cursor (DECTCEM).
+   *     Ps = 3 0  -> Don't show scrollbar (rxvt).
+   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).
+   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.
+   *     Ps = 4 1  -> No more(1) fix (see curses resource).
+   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-
+   *     NRCM).
+   *     Ps = 4 4  -> Turn Off Margin Bell.
+   *     Ps = 4 5  -> No Reverse-wraparound Mode.
+   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a
+   *     compile-time option).
+   *     Ps = 4 7  -> Use Normal Screen Buffer.
+   *     Ps = 6 6  -> Numeric keypad (DECNKM).
+   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).
+   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and
+   *     release.  See the section Mouse Tracking.
+   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.
+   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.
+   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.
+   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.
+   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.
+   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output
+   *     (rxvt).
+   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).
+   *     Ps = 1 0 3 4  -> Don't interpret "meta" key.  (This disables
+   *     the eightBitInput resource).
+   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-
+   *     Lock keys.  (This disables the numLock resource).
+   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.
+   *     (This disables the metaSendsEscape resource).
+   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad
+   *     Delete key.
+   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.
+   *     (This disables the altSendsEscape resource).
+   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.
+   *     (This disables the keepSelection resource).
+   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables
+   *     the selectToClipboard resource).
+   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when
+   *     Control-G is received.  (This disables the bellIsUrgent
+   *     resource).
+   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-
+   *     G is received.  (This disables the popOnBell resource).
+   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen
+   *     first if in the Alternate Screen.  (This may be disabled by
+   *     the titeInhibit resource).
+   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be
+   *     disabled by the titeInhibit resource).
+   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor
+   *     as in DECRC.  (This may be disabled by the titeInhibit
+   *     resource).  This combines the effects of the 1 0 4 7  and 1 0
+   *     4 8  modes.  Use this with terminfo-based applications rather
+   *     than the 4 7  mode.
+   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.
+   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.
+   *     Ps = 1 0 5 2  -> Reset HP function-key mode.
+   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.
+   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).
+   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.
+   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.
+   *
+   * @vt: #P[See below for supported modes.]    CSI DECRST  "DEC Private Reset Mode" "CSI ? Pm l"  "Reset various terminal attributes."
+   * Supported param values by DECRST:
+   *
+   * | param | Action                                                  | Support |
+   * | ----- | ------------------------------------------------------- | ------- |
+   * | 1     | Normal Cursor Keys (DECCKM).                            | #Y      |
+   * | 2     | Designate VT52 mode (DECANM).                           | #N      |
+   * | 3     | 80 Column Mode (DECCOLM).                               | #B[Switches to old column width instead of 80.] |
+   * | 6     | Normal Cursor Mode (DECOM).                             | #Y      |
+   * | 7     | No Wraparound Mode (DECAWM).                            | #Y      |
+   * | 8     | No Auto-repeat Keys (DECARM).                           | #N      |
+   * | 9     | Don't send Mouse X & Y on button press.                 | #Y      |
+   * | 12    | Stop Blinking Cursor.                                   | #Y      |
+   * | 25    | Hide Cursor (DECTCEM).                                  | #Y      |
+   * | 45    | No reverse wrap-around.                                 | #Y      |
+   * | 47    | Use Normal Screen Buffer.                               | #Y      |
+   * | 66    | Numeric keypad (DECNKM).                                | #Y      |
+   * | 1000  | Don't send Mouse reports.                               | #Y      |
+   * | 1002  | Don't use Cell Motion Mouse Tracking.                   | #Y      |
+   * | 1003  | Don't use All Motion Mouse Tracking.                    | #Y      |
+   * | 1004  | Don't send FocusIn/FocusOut events.                     | #Y      |
+   * | 1005  | Disable UTF-8 Mouse Mode.                               | #N      |
+   * | 1006  | Disable SGR Mouse Mode.                                 | #Y      |
+   * | 1015  | Disable urxvt Mouse Mode.                               | #N      |
+   * | 1016  | Disable SGR-Pixels Mouse Mode.                          | #Y      |
+   * | 1047  | Use Normal Screen Buffer (clearing screen if in alt).   | #Y      |
+   * | 1048  | Restore cursor as in DECRC.                             | #Y      |
+   * | 1049  | Use Normal Screen Buffer and restore cursor.            | #Y      |
+   * | 2004  | Reset bracketed paste mode.                             | #Y      |
+   *
+   *
+   * FIXME: DECCOLM is currently broken (already fixed in window options PR)
+   */
+  public resetModePrivate(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 1:
+          this._coreService.decPrivateModes.applicationCursorKeys = false;
+          break;
+        case 3:
+          /**
+           * DECCOLM - 80 column mode.
+           * This is only active if 'SetWinLines' (24) is enabled
+           * through `options.windowsOptions`.
+           */
+          if (this._optionsService.rawOptions.windowOptions.setWinLines) {
+            this._bufferService.resize(80, this._bufferService.rows);
+            this._onRequestReset.fire();
+          }
+          break;
+        case 6:
+          this._coreService.decPrivateModes.origin = false;
+          this._setCursor(0, 0);
+          break;
+        case 7:
+          this._coreService.decPrivateModes.wraparound = false;
+          break;
+        case 12:
+          this._optionsService.options.cursorBlink = false;
+          break;
+        case 45:
+          this._coreService.decPrivateModes.reverseWraparound = false;
+          break;
+        case 66:
+          this._logService.debug('Switching back to normal keypad.');
+          this._coreService.decPrivateModes.applicationKeypad = false;
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 9: // X10 Mouse
+        case 1000: // vt200 mouse
+        case 1002: // button event mouse
+        case 1003: // any event mouse
+          this._coreMouseService.activeProtocol = 'NONE';
+          break;
+        case 1004: // send focusin/focusout events
+          this._coreService.decPrivateModes.sendFocus = false;
+          break;
+        case 1005: // utf8 ext mode mouse - removed in #2507
+          this._logService.debug('DECRST 1005 not supported (see #2507)');
+          break;
+        case 1006: // sgr ext mode mouse
+          this._coreMouseService.activeEncoding = 'DEFAULT';
+          break;
+        case 1015: // urxvt ext mode mouse - removed in #2507
+          this._logService.debug('DECRST 1015 not supported (see #2507)');
+          break;
+        case 1016: // sgr pixels mode mouse
+          this._coreMouseService.activeEncoding = 'DEFAULT';
+          break;
+        case 25: // hide cursor
+          this._coreService.isCursorHidden = true;
+          break;
+        case 1048: // alt screen cursor
+          this.restoreCursor();
+          break;
+        case 1049: // alt screen buffer cursor
+        // FALL-THROUGH
+        case 47: // normal screen buffer
+        case 1047: // normal screen buffer - clearing it first
+          // Ensure the selection manager has the correct buffer
+          this._bufferService.buffers.activateNormalBuffer();
+          if (params.params[i] === 1049) {
+            this.restoreCursor();
+          }
+          this._coreService.isCursorInitialized = true;
+          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)
+          this._coreService.decPrivateModes.bracketedPasteMode = false;
+          break;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps $ p Request ANSI Mode (DECRQM).
+   *
+   * Reports CSI Ps; Pm $ y (DECRPM), where Ps is the mode number as in SM/RM,
+   * and Pm is the mode value:
+   *    0 - not recognized
+   *    1 - set
+   *    2 - reset
+   *    3 - permanently set
+   *    4 - permanently reset
+   *
+   * @vt: #Y  CSI   DECRQM  "Request Mode"  "CSI Ps $p"  "Request mode state."
+   * Returns a report as `CSI Ps; Pm $ y` (DECRPM), where `Ps` is the mode number as in SM/RM
+   * or DECSET/DECRST, and `Pm` is the mode value:
+   * - 0: not recognized
+   * - 1: set
+   * - 2: reset
+   * - 3: permanently set
+   * - 4: permanently reset
+   *
+   * For modes not understood xterm.js always returns `notRecognized`. In general this means,
+   * that a certain operation mode is not implemented and cannot be used.
+   *
+   * Modes changing the active terminal buffer (47, 1047, 1049) are not subqueried
+   * and only report, whether the alternate buffer is set.
+   *
+   * Mouse encodings and mouse protocols are handled mutual exclusive,
+   * thus only one of each of those can be set at a given time.
+   *
+   * There is a chance, that some mode reports are not fully in line with xterm.js' behavior,
+   * e.g. if the default implementation already exposes a certain behavior. If you find
+   * discrepancies in the mode reports, please file a bug.
+   */
+  public requestMode(params: IParams, ansi: boolean): boolean {
+    // return value as in DECRPM
+    const enum V {
+      NOT_RECOGNIZED = 0,
+      SET = 1,
+      RESET = 2,
+      PERMANENTLY_SET = 3,
+      PERMANENTLY_RESET = 4
+    }
+
+    // access helpers
+    const dm = this._coreService.decPrivateModes;
+    const { activeProtocol: mouseProtocol, activeEncoding: mouseEncoding } = this._coreMouseService;
+    const cs = this._coreService;
+    const { buffers, cols } = this._bufferService;
+    const { active, alt } = buffers;
+    const opts = this._optionsService.rawOptions;
+
+    const f = (m: number, v: V): boolean => {
+      cs.triggerDataEvent(`${C0.ESC}[${ansi ? '' : '?'}${m};${v}$y`);
+      return true;
+    };
+    const b2v = (value: boolean): V => value ? V.SET : V.RESET;
+
+    const p = params.params[0];
+
+    if (ansi) {
+      if (p === 2) return f(p, V.PERMANENTLY_RESET);
+      if (p === 4) return f(p, b2v(cs.modes.insertMode));
+      if (p === 12) return f(p, V.PERMANENTLY_SET);
+      if (p === 20) return f(p, b2v(opts.convertEol));
+      return f(p, V.NOT_RECOGNIZED);
+    }
+
+    if (p === 1) return f(p, b2v(dm.applicationCursorKeys));
+    if (p === 3) return f(p, opts.windowOptions.setWinLines ? (cols === 80 ? V.RESET : cols === 132 ? V.SET : V.NOT_RECOGNIZED) : V.NOT_RECOGNIZED);
+    if (p === 6) return f(p, b2v(dm.origin));
+    if (p === 7) return f(p, b2v(dm.wraparound));
+    if (p === 8) return f(p, V.PERMANENTLY_SET);
+    if (p === 9) return f(p, b2v(mouseProtocol === 'X10'));
+    if (p === 12) return f(p, b2v(opts.cursorBlink));
+    if (p === 25) return f(p, b2v(!cs.isCursorHidden));
+    if (p === 45) return f(p, b2v(dm.reverseWraparound));
+    if (p === 66) return f(p, b2v(dm.applicationKeypad));
+    if (p === 67) return f(p, V.PERMANENTLY_RESET);
+    if (p === 1000) return f(p, b2v(mouseProtocol === 'VT200'));
+    if (p === 1002) return f(p, b2v(mouseProtocol === 'DRAG'));
+    if (p === 1003) return f(p, b2v(mouseProtocol === 'ANY'));
+    if (p === 1004) return f(p, b2v(dm.sendFocus));
+    if (p === 1005) return f(p, V.PERMANENTLY_RESET);
+    if (p === 1006) return f(p, b2v(mouseEncoding === 'SGR'));
+    if (p === 1015) return f(p, V.PERMANENTLY_RESET);
+    if (p === 1016) return f(p, b2v(mouseEncoding === 'SGR_PIXELS'));
+    if (p === 1048) return f(p, V.SET); // xterm always returns SET here
+    if (p === 47 || p === 1047 || p === 1049) return f(p, b2v(active === alt));
+    if (p === 2004) return f(p, b2v(dm.bracketedPasteMode));
+    return f(p, V.NOT_RECOGNIZED);
+  }
+
+  /**
+   * Helper to write color information packed with color mode.
+   */
+  private _updateAttrColor(color: number, mode: number, c1: number, c2: number, c3: number): number {
+    if (mode === 2) {
+      color |= Attributes.CM_RGB;
+      color &= ~Attributes.RGB_MASK;
+      color |= AttributeData.fromColorRGB([c1, c2, c3]);
+    } else if (mode === 5) {
+      color &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+      color |= Attributes.CM_P256 | (c1 & 0xff);
+    }
+    return color;
+  }
+
+  /**
+   * Helper to extract and apply color params/subparams.
+   * Returns advance for params index.
+   */
+  private _extractColor(params: IParams, pos: number, attr: IAttributeData): number {
+    // normalize params
+    // meaning: [target, CM, ign, val, val, val]
+    // RGB    : [ 38/48,  2, ign,   r,   g,   b]
+    // P256   : [ 38/48,  5, ign,   v, ign, ign]
+    const accu = [0, 0, -1, 0, 0, 0];
+
+    // alignment placeholder for non color space sequences
+    let cSpace = 0;
+
+    // return advance we took in params
+    let advance = 0;
+
+    do {
+      accu[advance + cSpace] = params.params[pos + advance];
+      if (params.hasSubParams(pos + advance)) {
+        const subparams = params.getSubParams(pos + advance)!;
+        let i = 0;
+        do {
+          if (accu[1] === 5) {
+            cSpace = 1;
+          }
+          accu[advance + i + 1 + cSpace] = subparams[i];
+        } while (++i < subparams.length && i + advance + 1 + cSpace < accu.length);
+        break;
+      }
+      // exit early if can decide color mode with semicolons
+      if ((accu[1] === 5 && advance + cSpace >= 2)
+        || (accu[1] === 2 && advance + cSpace >= 5)) {
+        break;
+      }
+      // offset colorSpace slot for semicolon mode
+      if (accu[1]) {
+        cSpace = 1;
+      }
+    } while (++advance + pos < params.length && advance + cSpace < accu.length);
+
+    // set default values to 0
+    for (let i = 2; i < accu.length; ++i) {
+      if (accu[i] === -1) {
+        accu[i] = 0;
+      }
+    }
+
+    // apply colors
+    switch (accu[0]) {
+      case 38:
+        attr.fg = this._updateAttrColor(attr.fg, accu[1], accu[3], accu[4], accu[5]);
+        break;
+      case 48:
+        attr.bg = this._updateAttrColor(attr.bg, accu[1], accu[3], accu[4], accu[5]);
+        break;
+      case 58:
+        attr.extended = attr.extended.clone();
+        attr.extended.underlineColor = this._updateAttrColor(attr.extended.underlineColor, accu[1], accu[3], accu[4], accu[5]);
+    }
+
+    return advance;
+  }
+
+  /**
+   * SGR 4 subparams:
+   *    4:0   -   equal to SGR 24 (turn off all underline)
+   *    4:1   -   equal to SGR 4 (single underline)
+   *    4:2   -   equal to SGR 21 (double underline)
+   *    4:3   -   curly underline
+   *    4:4   -   dotted underline
+   *    4:5   -   dashed underline
+   */
+  private _processUnderline(style: number, attr: IAttributeData): void {
+    // treat extended attrs as immutable, thus always clone from old one
+    // this is needed since the buffer only holds references to it
+    attr.extended = attr.extended.clone();
+
+    // default to 1 == single underline
+    if (!~style || style > 5) {
+      style = 1;
+    }
+    attr.extended.underlineStyle = style;
+    attr.fg |= FgFlags.UNDERLINE;
+
+    // 0 deactivates underline
+    if (style === 0) {
+      attr.fg &= ~FgFlags.UNDERLINE;
+    }
+
+    // update HAS_EXTENDED in BG
+    attr.updateExtended();
+  }
+
+  private _processSGR0(attr: IAttributeData): void {
+    attr.fg = DEFAULT_ATTR_DATA.fg;
+    attr.bg = DEFAULT_ATTR_DATA.bg;
+    attr.extended = attr.extended.clone();
+    // Reset underline style and color. Note that we don't want to reset other
+    // fields such as the url id.
+    attr.extended.underlineStyle = UnderlineStyle.NONE;
+    attr.extended.underlineColor &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+    attr.updateExtended();
+  }
+
+  /**
+   * CSI Pm m  Character Attributes (SGR).
+   *
+   * @vt: #P[See below for supported attributes.]    CSI SGR   "Select Graphic Rendition"  "CSI Pm m"  "Set/Reset various text attributes."
+   * SGR selects one or more character attributes at the same time. Multiple params (up to 32)
+   * are applied in order from left to right. The changed attributes are applied to all new
+   * characters received. If you move characters in the viewport by scrolling or any other means,
+   * then the attributes move with the characters.
+   *
+   * Supported param values by SGR:
+   *
+   * | Param     | Meaning                                                  | Support |
+   * | --------- | -------------------------------------------------------- | ------- |
+   * | 0         | Normal (default). Resets any other preceding SGR.        | #Y      |
+   * | 1         | Bold. (also see `options.drawBoldTextInBrightColors`)    | #Y      |
+   * | 2         | Faint, decreased intensity.                              | #Y      |
+   * | 3         | Italic.                                                  | #Y      |
+   * | 4         | Underlined (see below for style support).                | #Y      |
+   * | 5         | Slowly blinking.                                         | #N      |
+   * | 6         | Rapidly blinking.                                        | #N      |
+   * | 7         | Inverse. Flips foreground and background color.          | #Y      |
+   * | 8         | Invisible (hidden).                                      | #Y      |
+   * | 9         | Crossed-out characters (strikethrough).                  | #Y      |
+   * | 21        | Doubly underlined.                                       | #Y      |
+   * | 22        | Normal (neither bold nor faint).                         | #Y      |
+   * | 23        | No italic.                                               | #Y      |
+   * | 24        | Not underlined.                                          | #Y      |
+   * | 25        | Steady (not blinking).                                   | #Y      |
+   * | 27        | Positive (not inverse).                                  | #Y      |
+   * | 28        | Visible (not hidden).                                    | #Y      |
+   * | 29        | Not Crossed-out (strikethrough).                         | #Y      |
+   * | 30        | Foreground color: Black.                                 | #Y      |
+   * | 31        | Foreground color: Red.                                   | #Y      |
+   * | 32        | Foreground color: Green.                                 | #Y      |
+   * | 33        | Foreground color: Yellow.                                | #Y      |
+   * | 34        | Foreground color: Blue.                                  | #Y      |
+   * | 35        | Foreground color: Magenta.                               | #Y      |
+   * | 36        | Foreground color: Cyan.                                  | #Y      |
+   * | 37        | Foreground color: White.                                 | #Y      |
+   * | 38        | Foreground color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |
+   * | 39        | Foreground color: Default (original).                    | #Y      |
+   * | 40        | Background color: Black.                                 | #Y      |
+   * | 41        | Background color: Red.                                   | #Y      |
+   * | 42        | Background color: Green.                                 | #Y      |
+   * | 43        | Background color: Yellow.                                | #Y      |
+   * | 44        | Background color: Blue.                                  | #Y      |
+   * | 45        | Background color: Magenta.                               | #Y      |
+   * | 46        | Background color: Cyan.                                  | #Y      |
+   * | 47        | Background color: White.                                 | #Y      |
+   * | 48        | Background color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |
+   * | 49        | Background color: Default (original).                    | #Y      |
+   * | 53        | Overlined.                                               | #Y      |
+   * | 55        | Not Overlined.                                           | #Y      |
+   * | 58        | Underline color: Extended color.                         | #P[Support for RGB and indexed colors, see below.] |
+   * | 90 - 97   | Bright foreground color (analogous to 30 - 37).          | #Y      |
+   * | 100 - 107 | Bright background color (analogous to 40 - 47).          | #Y      |
+   *
+   * Underline supports subparams to denote the style in the form `4 : x`:
+   *
+   * | x      | Meaning                                                       | Support |
+   * | ------ | ------------------------------------------------------------- | ------- |
+   * | 0      | No underline. Same as `SGR 24 m`.                             | #Y      |
+   * | 1      | Single underline. Same as `SGR 4 m`.                          | #Y      |
+   * | 2      | Double underline.                                             | #Y      |
+   * | 3      | Curly underline.                                              | #Y      |
+   * | 4      | Dotted underline.                                             | #Y      |
+   * | 5      | Dashed underline.                                             | #Y      |
+   * | other  | Single underline. Same as `SGR 4 m`.                          | #Y      |
+   *
+   * Extended colors are supported for foreground (Ps=38), background (Ps=48) and underline (Ps=58)
+   * as follows:
+   *
+   * | Ps + 1 | Meaning                                                       | Support |
+   * | ------ | ------------------------------------------------------------- | ------- |
+   * | 0      | Implementation defined.                                       | #N      |
+   * | 1      | Transparent.                                                  | #N      |
+   * | 2      | RGB color as `Ps ; 2 ; R ; G ; B` or `Ps : 2 : : R : G : B`.  | #Y      |
+   * | 3      | CMY color.                                                    | #N      |
+   * | 4      | CMYK color.                                                   | #N      |
+   * | 5      | Indexed (256 colors) as `Ps ; 5 ; INDEX` or `Ps : 5 : INDEX`. | #Y      |
+   *
+   *
+   * FIXME: blinking is implemented in attrs, but not working in renderers?
+   * FIXME: remove dead branch for p=100
+   */
+  public charAttributes(params: IParams): boolean {
+    // Optimize a single SGR0.
+    if (params.length === 1 && params.params[0] === 0) {
+      this._processSGR0(this._curAttrData);
+      return true;
+    }
+
+    const l = params.length;
+    let p;
+    const attr = this._curAttrData;
+
+    for (let i = 0; i < l; i++) {
+      p = params.params[i];
+      if (p >= 30 && p <= 37) {
+        // fg color 8
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.fg |= Attributes.CM_P16 | (p - 30);
+      } else if (p >= 40 && p <= 47) {
+        // bg color 8
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.bg |= Attributes.CM_P16 | (p - 40);
+      } else if (p >= 90 && p <= 97) {
+        // fg color 16
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.fg |= Attributes.CM_P16 | (p - 90) | 8;
+      } else if (p >= 100 && p <= 107) {
+        // bg color 16
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.bg |= Attributes.CM_P16 | (p - 100) | 8;
+      } else if (p === 0) {
+        // default
+        this._processSGR0(attr);
+      } else if (p === 1) {
+        // bold text
+        attr.fg |= FgFlags.BOLD;
+      } else if (p === 3) {
+        // italic text
+        attr.bg |= BgFlags.ITALIC;
+      } else if (p === 4) {
+        // underlined text
+        attr.fg |= FgFlags.UNDERLINE;
+        this._processUnderline(params.hasSubParams(i) ? params.getSubParams(i)![0] : UnderlineStyle.SINGLE, attr);
+      } else if (p === 5) {
+        // blink
+        attr.fg |= FgFlags.BLINK;
+      } else if (p === 7) {
+        // inverse and positive
+        // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
+        attr.fg |= FgFlags.INVERSE;
+      } else if (p === 8) {
+        // invisible
+        attr.fg |= FgFlags.INVISIBLE;
+      } else if (p === 9) {
+        // strikethrough
+        attr.fg |= FgFlags.STRIKETHROUGH;
+      } else if (p === 2) {
+        // dimmed text
+        attr.bg |= BgFlags.DIM;
+      } else if (p === 21) {
+        // double underline
+        this._processUnderline(UnderlineStyle.DOUBLE, attr);
+      } else if (p === 22) {
+        // not bold nor faint
+        attr.fg &= ~FgFlags.BOLD;
+        attr.bg &= ~BgFlags.DIM;
+      } else if (p === 23) {
+        // not italic
+        attr.bg &= ~BgFlags.ITALIC;
+      } else if (p === 24) {
+        // not underlined
+        attr.fg &= ~FgFlags.UNDERLINE;
+        this._processUnderline(UnderlineStyle.NONE, attr);
+      } else if (p === 25) {
+        // not blink
+        attr.fg &= ~FgFlags.BLINK;
+      } else if (p === 27) {
+        // not inverse
+        attr.fg &= ~FgFlags.INVERSE;
+      } else if (p === 28) {
+        // not invisible
+        attr.fg &= ~FgFlags.INVISIBLE;
+      } else if (p === 29) {
+        // not strikethrough
+        attr.fg &= ~FgFlags.STRIKETHROUGH;
+      } else if (p === 39) {
+        // reset fg
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+      } else if (p === 49) {
+        // reset bg
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+      } else if (p === 38 || p === 48 || p === 58) {
+        // fg color 256 and RGB
+        i += this._extractColor(params, i, attr);
+      } else if (p === 53) {
+        // overline
+        attr.bg |= BgFlags.OVERLINE;
+      } else if (p === 55) {
+        // not overline
+        attr.bg &= ~BgFlags.OVERLINE;
+      } else if (p === 59) {
+        attr.extended = attr.extended.clone();
+        attr.extended.underlineColor = -1;
+        attr.updateExtended();
+      } else if (p === 100) { // FIXME: dead branch, p=100 already handled above!
+        // reset fg/bg
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+      } else {
+        this._logService.debug('Unknown SGR attribute: %d.', p);
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps n  Device Status Report (DSR).
+   *     Ps = 5  -> Status Report.  Result (``OK'') is
+   *   CSI 0 n
+   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].
+   *   Result is
+   *   CSI r ; c R
+   * CSI ? Ps n
+   *   Device Status Report (DSR, DEC-specific).
+   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI
+   *     ? r ; c R (assumes page is zero).
+   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).
+   *     or CSI ? 1 1  n  (not ready).
+   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)
+   *     or CSI ? 2 1  n  (locked).
+   *     Ps = 2 6  -> Report Keyboard status as
+   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).
+   *   The last two parameters apply to VT400 & up, and denote key-
+   *   board ready and LK01 respectively.
+   *     Ps = 5 3  -> Report Locator status as
+   *   CSI ? 5 3  n  Locator available, if compiled-in, or
+   *   CSI ? 5 0  n  No Locator, if not.
+   *
+   * @vt: #Y CSI DSR   "Device Status Report"  "CSI Ps n"  "Request cursor position (CPR) with `Ps` = 6."
+   */
+  public deviceStatus(params: IParams): boolean {
+    switch (params.params[0]) {
+      case 5:
+        // status report
+        this._coreService.triggerDataEvent(`${C0.ESC}[0n`);
+        break;
+      case 6:
+        // cursor position
+        const y = this._activeBuffer.y + 1;
+        const x = this._activeBuffer.x + 1;
+        this._coreService.triggerDataEvent(`${C0.ESC}[${y};${x}R`);
+        break;
+    }
+    return true;
+  }
+
+  // @vt: #P[Only CPR is supported.]  CSI DECDSR  "DEC Device Status Report"  "CSI ? Ps n"  "Only CPR is supported (same as DSR)."
+  public deviceStatusPrivate(params: IParams): boolean {
+    // modern xterm doesnt seem to
+    // respond to any of these except ?6, 6, and 5
+    switch (params.params[0]) {
+      case 6:
+        // cursor position
+        const y = this._activeBuffer.y + 1;
+        const x = this._activeBuffer.x + 1;
+        this._coreService.triggerDataEvent(`${C0.ESC}[?${y};${x}R`);
+        break;
+      case 15:
+        // no printer
+        // this.handler(C0.ESC + '[?11n');
+        break;
+      case 25:
+        // dont support user defined keys
+        // this.handler(C0.ESC + '[?21n');
+        break;
+      case 26:
+        // north american keyboard
+        // this.handler(C0.ESC + '[?27;1;0;0n');
+        break;
+      case 53:
+        // no dec locator/mouse
+        // this.handler(C0.ESC + '[?50n');
+        break;
+    }
+    return true;
+  }
+
+  /**
+   * CSI ! p   Soft terminal reset (DECSTR).
+   * http://vt100.net/docs/vt220-rm/table4-10.html
+   *
+   * @vt: #Y CSI DECSTR  "Soft Terminal Reset"   "CSI ! p"   "Reset several terminal attributes to initial state."
+   * There are two terminal reset sequences - RIS and DECSTR. While RIS performs almost a full
+   * terminal bootstrap, DECSTR only resets certain attributes. For most needs DECSTR should be
+   * sufficient.
+   *
+   * The following terminal attributes are reset to default values:
+   * - IRM is reset (dafault = false)
+   * - scroll margins are reset (default = viewport size)
+   * - erase attributes are reset to default
+   * - charsets are reset
+   * - DECSC data is reset to initial values
+   * - DECOM is reset to absolute mode
+   *
+   *
+   * FIXME: there are several more attributes missing (see VT520 manual)
+   */
+  public softReset(params: IParams): boolean {
+    this._coreService.isCursorHidden = false;
+    this._onRequestSyncScrollBar.fire();
+    this._activeBuffer.scrollTop = 0;
+    this._activeBuffer.scrollBottom = this._bufferService.rows - 1;
+    this._curAttrData = DEFAULT_ATTR_DATA.clone();
+    this._coreService.reset();
+    this._charsetService.reset();
+
+    // reset DECSC data
+    this._activeBuffer.savedX = 0;
+    this._activeBuffer.savedY = this._activeBuffer.ybase;
+    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;
+    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;
+    this._activeBuffer.savedCharset = this._charsetService.charset;
+
+    // reset DECOM
+    this._coreService.decPrivateModes.origin = false;
+    return true;
+  }
+
+  /**
+   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).
+   *   Ps = 0  -> blinking block.
+   *   Ps = 1  -> blinking block (default).
+   *   Ps = 2  -> steady block.
+   *   Ps = 3  -> blinking underline.
+   *   Ps = 4  -> steady underline.
+   *   Ps = 5  -> blinking bar (xterm).
+   *   Ps = 6  -> steady bar (xterm).
+   *
+   * @vt: #Y CSI DECSCUSR  "Set Cursor Style"  "CSI Ps SP q"   "Set cursor style."
+   * Supported cursor styles:
+   *  - empty, 0 or 1: steady block
+   *  - 2: blink block
+   *  - 3: steady underline
+   *  - 4: blink underline
+   *  - 5: steady bar
+   *  - 6: blink bar
+   */
+  public setCursorStyle(params: IParams): boolean {
+    const param = params.params[0] || 1;
+    switch (param) {
+      case 1:
+      case 2:
+        this._optionsService.options.cursorStyle = 'block';
+        break;
+      case 3:
+      case 4:
+        this._optionsService.options.cursorStyle = 'underline';
+        break;
+      case 5:
+      case 6:
+        this._optionsService.options.cursorStyle = 'bar';
+        break;
+    }
+    const isBlinking = param % 2 === 1;
+    this._optionsService.options.cursorBlink = isBlinking;
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps r
+   *   Set Scrolling Region [top;bottom] (default = full size of win-
+   *   dow) (DECSTBM).
+   *
+   * @vt: #Y CSI DECSTBM "Set Top and Bottom Margin" "CSI Ps ; Ps r" "Set top and bottom margins of the viewport [top;bottom] (default = viewport size)."
+   */
+  public setScrollRegion(params: IParams): boolean {
+    const top = params.params[0] || 1;
+    let bottom: number;
+
+    if (params.length < 2 || (bottom = params.params[1]) > this._bufferService.rows || bottom === 0) {
+      bottom = this._bufferService.rows;
+    }
+
+    if (bottom > top) {
+      this._activeBuffer.scrollTop = top - 1;
+      this._activeBuffer.scrollBottom = bottom - 1;
+      this._setCursor(0, 0);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps ; Ps t - Various window manipulations and reports (xterm)
+   *
+   * Note: Only those listed below are supported. All others are left to integrators and
+   * need special treatment based on the embedding environment.
+   *
+   *    Ps = 1 4                                                          supported
+   *      Report xterm text area size in pixels.
+   *      Result is CSI 4 ; height ; width t
+   *    Ps = 14 ; 2                                                       not implemented
+   *    Ps = 16                                                           supported
+   *      Report xterm character cell size in pixels.
+   *      Result is CSI 6 ; height ; width t
+   *    Ps = 18                                                           supported
+   *      Report the size of the text area in characters.
+   *      Result is CSI 8 ; height ; width t
+   *    Ps = 20                                                           supported
+   *      Report xterm window's icon label.
+   *      Result is OSC L label ST
+   *    Ps = 21                                                           supported
+   *      Report xterm window's title.
+   *      Result is OSC l label ST
+   *    Ps = 22 ; 0  -> Save xterm icon and window title on stack.        supported
+   *    Ps = 22 ; 1  -> Save xterm icon title on stack.                   supported
+   *    Ps = 22 ; 2  -> Save xterm window title on stack.                 supported
+   *    Ps = 23 ; 0  -> Restore xterm icon and window title from stack.   supported
+   *    Ps = 23 ; 1  -> Restore xterm icon title from stack.              supported
+   *    Ps = 23 ; 2  -> Restore xterm window title from stack.            supported
+   *    Ps >= 24                                                          not implemented
+   */
+  public windowOptions(params: IParams): boolean {
+    if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {
+      return true;
+    }
+    const second = (params.length > 1) ? params.params[1] : 0;
+    switch (params.params[0]) {
+      case 14:  // GetWinSizePixels, returns CSI 4 ; height ; width t
+        if (second !== 2) {
+          this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_WIN_SIZE_PIXELS);
+        }
+        break;
+      case 16:  // GetCellSizePixels, returns CSI 6 ; height ; width t
+        this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_CELL_SIZE_PIXELS);
+        break;
+      case 18:  // GetWinSizeChars, returns CSI 8 ; height ; width t
+        if (this._bufferService) {
+          this._coreService.triggerDataEvent(`${C0.ESC}[8;${this._bufferService.rows};${this._bufferService.cols}t`);
+        }
+        break;
+      case 22:  // PushTitle
+        if (second === 0 || second === 2) {
+          this._windowTitleStack.push(this._windowTitle);
+          if (this._windowTitleStack.length > STACK_LIMIT) {
+            this._windowTitleStack.shift();
+          }
+        }
+        if (second === 0 || second === 1) {
+          this._iconNameStack.push(this._iconName);
+          if (this._iconNameStack.length > STACK_LIMIT) {
+            this._iconNameStack.shift();
+          }
+        }
+        break;
+      case 23:  // PopTitle
+        if (second === 0 || second === 2) {
+          if (this._windowTitleStack.length) {
+            this.setTitle(this._windowTitleStack.pop()!);
+          }
+        }
+        if (second === 0 || second === 1) {
+          if (this._iconNameStack.length) {
+            this.setIconName(this._iconNameStack.pop()!);
+          }
+        }
+        break;
+    }
+    return true;
+  }
+
+
+  /**
+   * CSI s
+   * ESC 7
+   *   Save cursor (ANSI.SYS).
+   *
+   * @vt: #P[TODO...]  CSI SCOSC   "Save Cursor"   "CSI s"   "Save cursor position, charmap and text attributes."
+   * @vt: #Y ESC  SC   "Save Cursor"   "ESC 7"   "Save cursor position, charmap and text attributes."
+   */
+  public saveCursor(params?: IParams): boolean {
+    this._activeBuffer.savedX = this._activeBuffer.x;
+    this._activeBuffer.savedY = this._activeBuffer.ybase + this._activeBuffer.y;
+    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;
+    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;
+    this._activeBuffer.savedCharset = this._charsetService.charset;
+    return true;
+  }
+
+
+  /**
+   * CSI u
+   * ESC 8
+   *   Restore cursor (ANSI.SYS).
+   *
+   * @vt: #P[TODO...]  CSI SCORC "Restore Cursor"  "CSI u"   "Restore cursor position, charmap and text attributes."
+   * @vt: #Y ESC  RC "Restore Cursor"  "ESC 8"   "Restore cursor position, charmap and text attributes."
+   */
+  public restoreCursor(params?: IParams): boolean {
+    this._activeBuffer.x = this._activeBuffer.savedX || 0;
+    this._activeBuffer.y = Math.max(this._activeBuffer.savedY - this._activeBuffer.ybase, 0);
+    this._curAttrData.fg = this._activeBuffer.savedCurAttrData.fg;
+    this._curAttrData.bg = this._activeBuffer.savedCurAttrData.bg;
+    this._charsetService.charset = (this as any)._savedCharset;
+    if (this._activeBuffer.savedCharset) {
+      this._charsetService.charset = this._activeBuffer.savedCharset;
+    }
+    this._restrictCursor();
+    return true;
+  }
+
+
+  /**
+   * OSC 2; <data> ST (set window title)
+   *   Proxy to set window title.
+   *
+   * @vt: #P[Icon name is not exposed.]   OSC    0   "Set Windows Title and Icon Name"  "OSC 0 ; Pt BEL"  "Set window title and icon name."
+   * Icon name is not supported. For Window Title see below.
+   *
+   * @vt: #Y     OSC    2   "Set Windows Title"  "OSC 2 ; Pt BEL"  "Set window title."
+   * xterm.js does not manipulate the title directly, instead exposes changes via the event
+   * `Terminal.onTitleChange`.
+   */
+  public setTitle(data: string): boolean {
+    this._windowTitle = data;
+    this._onTitleChange.fire(data);
+    return true;
+  }
+
+  /**
+   * OSC 1; <data> ST
+   * Note: Icon name is not exposed.
+   */
+  public setIconName(data: string): boolean {
+    this._iconName = data;
+    return true;
+  }
+
+  /**
+   * OSC 4; <num> ; <text> ST (set ANSI color <num> to <text>)
+   *
+   * @vt: #Y    OSC    4    "Set ANSI color"   "OSC 4 ; c ; spec BEL" "Change color number `c` to the color specified by `spec`."
+   * `c` is the color index between 0 and 255. The color format of `spec` is derived from
+   * `XParseColor` (see OSC 10 for supported formats). There may be multipe `c ; spec` pairs present
+   * in the same instruction. If `spec` contains `?` the terminal returns a sequence with the
+   * currently set color.
+   */
+  public setOrReportIndexedColor(data: string): boolean {
+    const event: IColorEvent = [];
+    const slots = data.split(';');
+    while (slots.length > 1) {
+      const idx = slots.shift() as string;
+      const spec = slots.shift() as string;
+      if (/^\d+$/.exec(idx)) {
+        const index = parseInt(idx);
+        if (isValidColorIndex(index)) {
+          if (spec === '?') {
+            event.push({ type: ColorRequestType.REPORT, index });
+          } else {
+            const color = parseColor(spec);
+            if (color) {
+              event.push({ type: ColorRequestType.SET, index, color });
+            }
+          }
+        }
+      }
+    }
+    if (event.length) {
+      this._onColor.fire(event);
+    }
+    return true;
+  }
+
+  /**
+   * OSC 8 ; <params> ; <uri> ST - create hyperlink
+   * OSC 8 ; ; ST - finish hyperlink
+   *
+   * Test case:
+   *
+   * ```sh
+   * printf '\e]8;;http://example.com\e\\This is a link\e]8;;\e\\\n'
+   * ```
+   *
+   * @vt: #Y    OSC    8    "Create hyperlink"   "OSC 8 ; params ; uri BEL" "Create a hyperlink to `uri` using `params`."
+   * `uri` is a hyperlink starting with `http://`, `https://`, `ftp://`, `file://` or `mailto://`. `params` is an
+   * optional list of key=value assignments, separated by the : character.
+   * Example: `id=xyz123:foo=bar:baz=quux`.
+   * Currently only the id key is defined. Cells that share the same ID and URI share hover
+   * feedback. Use `OSC 8 ; ; BEL` to finish the current hyperlink.
+   */
+  public setHyperlink(data: string): boolean {
+    const args = data.split(';');
+    if (args.length < 2) {
+      return false;
+    }
+    if (args[1]) {
+      return this._createHyperlink(args[0], args[1]);
+    }
+    if (args[0]) {
+      return false;
+    }
+    return this._finishHyperlink();
+  }
+
+  private _createHyperlink(params: string, uri: string): boolean {
+    // It's legal to open a new hyperlink without explicitly finishing the previous one
+    if (this._getCurrentLinkId()) {
+      this._finishHyperlink();
+    }
+    const parsedParams = params.split(':');
+    let id: string | undefined;
+    const idParamIndex = parsedParams.findIndex(e => e.startsWith('id='));
+    if (idParamIndex !== -1) {
+      id = parsedParams[idParamIndex].slice(3) || undefined;
+    }
+    this._curAttrData.extended = this._curAttrData.extended.clone();
+    this._curAttrData.extended.urlId = this._oscLinkService.registerLink({ id, uri });
+    this._curAttrData.updateExtended();
+    return true;
+  }
+
+  private _finishHyperlink(): boolean {
+    this._curAttrData.extended = this._curAttrData.extended.clone();
+    this._curAttrData.extended.urlId = 0;
+    this._curAttrData.updateExtended();
+    return true;
+  }
+
+  // special colors - OSC 10 | 11 | 12
+  private _specialColors = [SpecialColorIndex.FOREGROUND, SpecialColorIndex.BACKGROUND, SpecialColorIndex.CURSOR];
+
+  /**
+   * Apply colors requests for special colors in OSC 10 | 11 | 12.
+   * Since these commands are stacking from multiple parameters,
+   * we handle them in a loop with an entry offset to `_specialColors`.
+   */
+  private _setOrReportSpecialColor(data: string, offset: number): boolean {
+    const slots = data.split(';');
+    for (let i = 0; i < slots.length; ++i, ++offset) {
+      if (offset >= this._specialColors.length) break;
+      if (slots[i] === '?') {
+        this._onColor.fire([{ type: ColorRequestType.REPORT, index: this._specialColors[offset] }]);
+      } else {
+        const color = parseColor(slots[i]);
+        if (color) {
+          this._onColor.fire([{ type: ColorRequestType.SET, index: this._specialColors[offset], color }]);
+        }
+      }
+    }
+    return true;
+  }
+
+  /**
+   * OSC 10 ; <xcolor name>|<?> ST - set or query default foreground color
+   *
+   * @vt: #Y  OSC   10    "Set or query default foreground color"   "OSC 10 ; Pt BEL"  "Set or query default foreground color."
+   * To set the color, the following color specification formats are supported:
+   * - `rgb:<red>/<green>/<blue>` for  `<red>, <green>, <blue>` in `h | hh | hhh | hhhh`, where
+   *   `h` is a single hexadecimal digit (case insignificant). The different widths scale
+   *   from 4 bit (`h`) to 16 bit (`hhhh`) and get converted to 8 bit (`hh`).
+   * - `#RGB` - 4 bits per channel, expanded to `#R0G0B0`
+   * - `#RRGGBB` - 8 bits per channel
+   * - `#RRRGGGBBB` - 12 bits per channel, truncated to `#RRGGBB`
+   * - `#RRRRGGGGBBBB` - 16 bits per channel, truncated to `#RRGGBB`
+   *
+   * **Note:** X11 named colors are currently unsupported.
+   *
+   * If `Pt` contains `?` instead of a color specification, the terminal
+   * returns a sequence with the current default foreground color
+   * (use that sequence to restore the color after changes).
+   *
+   * **Note:** Other than xterm, xterm.js does not support OSC 12 - 19.
+   * Therefore stacking multiple `Pt` separated by `;` only works for the first two entries.
+   */
+  public setOrReportFgColor(data: string): boolean {
+    return this._setOrReportSpecialColor(data, 0);
+  }
+
+  /**
+   * OSC 11 ; <xcolor name>|<?> ST - set or query default background color
+   *
+   * @vt: #Y  OSC   11    "Set or query default background color"   "OSC 11 ; Pt BEL"  "Same as OSC 10, but for default background."
+   */
+  public setOrReportBgColor(data: string): boolean {
+    return this._setOrReportSpecialColor(data, 1);
+  }
+
+  /**
+   * OSC 12 ; <xcolor name>|<?> ST - set or query default cursor color
+   *
+   * @vt: #Y  OSC   12    "Set or query default cursor color"   "OSC 12 ; Pt BEL"  "Same as OSC 10, but for default cursor color."
+   */
+  public setOrReportCursorColor(data: string): boolean {
+    return this._setOrReportSpecialColor(data, 2);
+  }
+
+  /**
+   * OSC 104 ; <num> ST - restore ANSI color <num>
+   *
+   * @vt: #Y  OSC   104    "Reset ANSI color"   "OSC 104 ; c BEL" "Reset color number `c` to themed color."
+   * `c` is the color index between 0 and 255. This function restores the default color for `c` as
+   * specified by the loaded theme. Any number of `c` parameters may be given.
+   * If no parameters are given, the entire indexed color table will be reset.
+   */
+  public restoreIndexedColor(data: string): boolean {
+    if (!data) {
+      this._onColor.fire([{ type: ColorRequestType.RESTORE }]);
+      return true;
+    }
+    const event: IColorEvent = [];
+    const slots = data.split(';');
+    for (let i = 0; i < slots.length; ++i) {
+      if (/^\d+$/.exec(slots[i])) {
+        const index = parseInt(slots[i]);
+        if (isValidColorIndex(index)) {
+          event.push({ type: ColorRequestType.RESTORE, index });
+        }
+      }
+    }
+    if (event.length) {
+      this._onColor.fire(event);
+    }
+    return true;
+  }
+
+  /**
+   * OSC 110 ST - restore default foreground color
+   *
+   * @vt: #Y  OSC   110    "Restore default foreground color"   "OSC 110 BEL"  "Restore default foreground to themed color."
+   */
+  public restoreFgColor(data: string): boolean {
+    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.FOREGROUND }]);
+    return true;
+  }
+
+  /**
+   * OSC 111 ST - restore default background color
+   *
+   * @vt: #Y  OSC   111    "Restore default background color"   "OSC 111 BEL"  "Restore default background to themed color."
+   */
+  public restoreBgColor(data: string): boolean {
+    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.BACKGROUND }]);
+    return true;
+  }
+
+  /**
+   * OSC 112 ST - restore default cursor color
+   *
+   * @vt: #Y  OSC   112    "Restore default cursor color"   "OSC 112 BEL"  "Restore default cursor to themed color."
+   */
+  public restoreCursorColor(data: string): boolean {
+    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.CURSOR }]);
+    return true;
+  }
+
+  /**
+   * ESC E
+   * C1.NEL
+   *   DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)
+   *   Moves cursor to first position on next line.
+   *
+   * @vt: #Y   C1    NEL   "Next Line"   "\x85"    "Move the cursor to the beginning of the next row."
+   * @vt: #Y   ESC   NEL   "Next Line"   "ESC E"   "Move the cursor to the beginning of the next row."
+   */
+  public nextLine(): boolean {
+    this._activeBuffer.x = 0;
+    this.index();
+    return true;
+  }
+
+  /**
+   * ESC =
+   *   DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)
+   *   Enables the numeric keypad to send application sequences to the host.
+   */
+  public keypadApplicationMode(): boolean {
+    this._logService.debug('Serial port requested application keypad.');
+    this._coreService.decPrivateModes.applicationKeypad = true;
+    this._onRequestSyncScrollBar.fire();
+    return true;
+  }
+
+  /**
+   * ESC >
+   *   DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)
+   *   Enables the keypad to send numeric characters to the host.
+   */
+  public keypadNumericMode(): boolean {
+    this._logService.debug('Switching back to normal keypad.');
+    this._coreService.decPrivateModes.applicationKeypad = false;
+    this._onRequestSyncScrollBar.fire();
+    return true;
+  }
+
+  /**
+   * ESC % @
+   * ESC % G
+   *   Select default character set. UTF-8 is not supported (string are unicode anyways)
+   *   therefore ESC % G does the same.
+   */
+  public selectDefaultCharset(): boolean {
+    this._charsetService.setgLevel(0);
+    this._charsetService.setgCharset(0, DEFAULT_CHARSET); // US (default)
+    return true;
+  }
+
+  /**
+   * ESC ( C
+   *   Designate G0 Character Set, VT100, ISO 2022.
+   * ESC ) C
+   *   Designate G1 Character Set (ISO 2022, VT100).
+   * ESC * C
+   *   Designate G2 Character Set (ISO 2022, VT220).
+   * ESC + C
+   *   Designate G3 Character Set (ISO 2022, VT220).
+   * ESC - C
+   *   Designate G1 Character Set (VT300).
+   * ESC . C
+   *   Designate G2 Character Set (VT300).
+   * ESC / C
+   *   Designate G3 Character Set (VT300). C = A  -> ISO Latin-1 Supplemental. - Supported?
+   */
+  public selectCharset(collectAndFlag: string): boolean {
+    if (collectAndFlag.length !== 2) {
+      this.selectDefaultCharset();
+      return true;
+    }
+    if (collectAndFlag[0] === '/') {
+      return true;  // TODO: Is this supported?
+    }
+    this._charsetService.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);
+    return true;
+  }
+
+  /**
+   * ESC D
+   * C1.IND
+   *   DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)
+   *   Moves the cursor down one line in the same column.
+   *
+   * @vt: #Y   C1    IND   "Index"   "\x84"    "Move the cursor one line down scrolling if needed."
+   * @vt: #Y   ESC   IND   "Index"   "ESC D"   "Move the cursor one line down scrolling if needed."
+   */
+  public index(): boolean {
+    this._restrictCursor();
+    this._activeBuffer.y++;
+    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {
+      this._activeBuffer.y--;
+      this._bufferService.scroll(this._eraseAttrData());
+    } else if (this._activeBuffer.y >= this._bufferService.rows) {
+      this._activeBuffer.y = this._bufferService.rows - 1;
+    }
+    this._restrictCursor();
+    return true;
+  }
+
+  /**
+   * ESC H
+   * C1.HTS
+   *   DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)
+   *   Sets a horizontal tab stop at the column position indicated by
+   *   the value of the active column when the terminal receives an HTS.
+   *
+   * @vt: #Y   C1    HTS   "Horizontal Tabulation Set" "\x88"    "Places a tab stop at the current cursor position."
+   * @vt: #Y   ESC   HTS   "Horizontal Tabulation Set" "ESC H"   "Places a tab stop at the current cursor position."
+   */
+  public tabSet(): boolean {
+    this._activeBuffer.tabs[this._activeBuffer.x] = true;
+    return true;
+  }
+
+  /**
+   * ESC M
+   * C1.RI
+   *   DEC mnemonic: HTS
+   *   Moves the cursor up one line in the same column. If the cursor is at the top margin,
+   *   the page scrolls down.
+   *
+   * @vt: #Y ESC  IR "Reverse Index" "ESC M"  "Move the cursor one line up scrolling if needed."
+   */
+  public reverseIndex(): boolean {
+    this._restrictCursor();
+    if (this._activeBuffer.y === this._activeBuffer.scrollTop) {
+      // possibly move the code below to term.reverseScroll();
+      // test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
+      // blankLine(true) is xterm/linux behavior
+      const scrollRegionHeight = this._activeBuffer.scrollBottom - this._activeBuffer.scrollTop;
+      this._activeBuffer.lines.shiftElements(this._activeBuffer.ybase + this._activeBuffer.y, scrollRegionHeight, 1);
+      this._activeBuffer.lines.set(this._activeBuffer.ybase + this._activeBuffer.y, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+      this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    } else {
+      this._activeBuffer.y--;
+      this._restrictCursor(); // quickfix to not run out of bounds
+    }
+    return true;
+  }
+
+  /**
+   * ESC c
+   *   DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)
+   *   Reset to initial state.
+   */
+  public fullReset(): boolean {
+    this._parser.reset();
+    this._onRequestReset.fire();
+    return true;
+  }
+
+  public reset(): void {
+    this._curAttrData = DEFAULT_ATTR_DATA.clone();
+    this._eraseAttrDataInternal = DEFAULT_ATTR_DATA.clone();
+  }
+
+  /**
+   * back_color_erase feature for xterm.
+   */
+  private _eraseAttrData(): IAttributeData {
+    this._eraseAttrDataInternal.bg &= ~(Attributes.CM_MASK | 0xFFFFFF);
+    this._eraseAttrDataInternal.bg |= this._curAttrData.bg & ~0xFC000000;
+    return this._eraseAttrDataInternal;
+  }
+
+  /**
+   * ESC n
+   * ESC o
+   * ESC |
+   * ESC }
+   * ESC ~
+   *   DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)
+   *   When you use a locking shift, the character set remains in GL or GR until
+   *   you use another locking shift. (partly supported)
+   */
+  public setgLevel(level: number): boolean {
+    this._charsetService.setgLevel(level);
+    return true;
+  }
+
+  /**
+   * ESC # 8
+   *   DEC mnemonic: DECALN (https://vt100.net/docs/vt510-rm/DECALN.html)
+   *   This control function fills the complete screen area with
+   *   a test pattern (E) used for adjusting screen alignment.
+   *
+   * @vt: #Y   ESC   DECALN   "Screen Alignment Pattern"  "ESC # 8"  "Fill viewport with a test pattern (E)."
+   */
+  public screenAlignmentPattern(): boolean {
+    // prepare cell data
+    const cell = new CellData();
+    cell.content = 1 << Content.WIDTH_SHIFT | 'E'.charCodeAt(0);
+    cell.fg = this._curAttrData.fg;
+    cell.bg = this._curAttrData.bg;
+
+
+    this._setCursor(0, 0);
+    for (let yOffset = 0; yOffset < this._bufferService.rows; ++yOffset) {
+      const row = this._activeBuffer.ybase + this._activeBuffer.y + yOffset;
+      const line = this._activeBuffer.lines.get(row);
+      if (line) {
+        line.fill(cell);
+        line.isWrapped = false;
+      }
+    }
+    this._dirtyRowTracker.markAllDirty();
+    this._setCursor(0, 0);
+    return true;
+  }
+
+
+  /**
+   * DCS $ q Pt ST
+   *   DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)
+   *   Request Status String (DECRQSS), VT420 and up.
+   *   Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)
+   *
+   * @vt: #P[Limited support, see below.]  DCS   DECRQSS   "Request Selection or Setting"  "DCS $ q Pt ST"   "Request several terminal settings."
+   * Response is in the form `ESC P 1 $ r Pt ST` for valid requests, where `Pt` contains the
+   * corresponding CSI string, `ESC P 0 ST` for invalid requests.
+   *
+   * Supported requests and responses:
+   *
+   * | Type                             | Request           | Response (`Pt`)                                       |
+   * | -------------------------------- | ----------------- | ----------------------------------------------------- |
+   * | Graphic Rendition (SGR)          | `DCS $ q m ST`    | always reporting `0m` (currently broken)              |
+   * | Top and Bottom Margins (DECSTBM) | `DCS $ q r ST`    | `Ps ; Ps r`                                           |
+   * | Cursor Style (DECSCUSR)          | `DCS $ q SP q ST` | `Ps SP q`                                             |
+   * | Protection Attribute (DECSCA)    | `DCS $ q " q ST`  | `Ps " q` (DECSCA 2 is reported as Ps = 0)             |
+   * | Conformance Level (DECSCL)       | `DCS $ q " p ST`  | always reporting `61 ; 1 " p` (DECSCL is unsupported) |
+   *
+   *
+   * TODO:
+   * - fix SGR report
+   * - either check which conformance is better suited or remove the report completely
+   *   --> we are currently a mixture of all up to VT400 but dont follow anyone strictly
+   */
+  public requestStatusString(data: string, params: IParams): boolean {
+    const f = (s: string): boolean => {
+      this._coreService.triggerDataEvent(`${C0.ESC}${s}${C0.ESC}\\`);
+      return true;
+    };
+
+    // access helpers
+    const b = this._bufferService.buffer;
+    const opts = this._optionsService.rawOptions;
+    const STYLES: { [key: string]: number } = { 'block': 2, 'underline': 4, 'bar': 6 };
+
+    if (data === '"q') return f(`P1$r${this._curAttrData.isProtected() ? 1 : 0}"q`);
+    if (data === '"p') return f(`P1$r61;1"p`);
+    if (data === 'r') return f(`P1$r${b.scrollTop + 1};${b.scrollBottom + 1}r`);
+    // FIXME: report real SGR settings instead of 0m
+    if (data === 'm') return f(`P1$r0m`);
+    if (data === ' q') return f(`P1$r${STYLES[opts.cursorStyle] - (opts.cursorBlink ? 1 : 0)} q`);
+    return f(`P0$r`);
+  }
+
+  public markRangeDirty(y1: number, y2: number): void {
+    this._dirtyRowTracker.markRangeDirty(y1, y2);
+  }
+}
+
+export interface IDirtyRowTracker {
+  readonly start: number;
+  readonly end: number;
+
+  clearRange(): void;
+  markDirty(y: number): void;
+  markRangeDirty(y1: number, y2: number): void;
+  markAllDirty(): void;
+}
+
+class DirtyRowTracker implements IDirtyRowTracker {
+  public start!: number;
+  public end!: number;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService
+  ) {
+    this.clearRange();
+  }
+
+  public clearRange(): void {
+    this.start = this._bufferService.buffer.y;
+    this.end = this._bufferService.buffer.y;
+  }
+
+  public markDirty(y: number): void {
+    if (y < this.start) {
+      this.start = y;
+    } else if (y > this.end) {
+      this.end = y;
+    }
+  }
+
+  public markRangeDirty(y1: number, y2: number): void {
+    if (y1 > y2) {
+      $temp = y1;
+      y1 = y2;
+      y2 = $temp;
+    }
+    if (y1 < this.start) {
+      this.start = y1;
+    }
+    if (y2 > this.end) {
+      this.end = y2;
+    }
+  }
+
+  public markAllDirty(): void {
+    this.markRangeDirty(0, this._bufferService.rows - 1);
+  }
+}
+
+function isValidColorIndex(value: number): value is ColorIndex {
+  return 0 <= value && value < 256;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/Lifecycle.ts b/web/public/node_modules/@xterm/xterm/src/common/Lifecycle.ts
new file mode 100644
index 000000000..6e5ef27dd
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/Lifecycle.ts
@@ -0,0 +1,108 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+
+/**
+ * A base class that can be extended to provide convenience methods for managing the lifecycle of an
+ * object and its components.
+ */
+export abstract class Disposable implements IDisposable {
+  protected _disposables: IDisposable[] = [];
+  protected _isDisposed: boolean = false;
+
+  /**
+   * Disposes the object, triggering the `dispose` method on all registered IDisposables.
+   */
+  public dispose(): void {
+    this._isDisposed = true;
+    for (const d of this._disposables) {
+      d.dispose();
+    }
+    this._disposables.length = 0;
+  }
+
+  /**
+   * Registers a disposable object.
+   * @param d The disposable to register.
+   * @returns The disposable.
+   */
+  public register<T extends IDisposable>(d: T): T {
+    this._disposables.push(d);
+    return d;
+  }
+
+  /**
+   * Unregisters a disposable object if it has been registered, if not do
+   * nothing.
+   * @param d The disposable to unregister.
+   */
+  public unregister<T extends IDisposable>(d: T): void {
+    const index = this._disposables.indexOf(d);
+    if (index !== -1) {
+      this._disposables.splice(index, 1);
+    }
+  }
+}
+
+export class MutableDisposable<T extends IDisposable> implements IDisposable {
+  private _value?: T;
+  private _isDisposed = false;
+
+  /**
+   * Gets the value if it exists.
+   */
+  public get value(): T | undefined {
+    return this._isDisposed ? undefined : this._value;
+  }
+
+  /**
+   * Sets the value, disposing of the old value if it exists.
+   */
+  public set value(value: T | undefined) {
+    if (this._isDisposed || value === this._value) {
+      return;
+    }
+    this._value?.dispose();
+    this._value = value;
+  }
+
+  /**
+   * Resets the stored value and disposes of the previously stored value.
+   */
+  public clear(): void {
+    this.value = undefined;
+  }
+
+  public dispose(): void {
+    this._isDisposed = true;
+    this._value?.dispose();
+    this._value = undefined;
+  }
+}
+
+/**
+ * Wrap a function in a disposable.
+ */
+export function toDisposable(f: () => void): IDisposable {
+  return { dispose: f };
+}
+
+/**
+ * Dispose of all disposables in an array and set its length to 0.
+ */
+export function disposeArray(disposables: IDisposable[]): void {
+  for (const d of disposables) {
+    d.dispose();
+  }
+  disposables.length = 0;
+}
+
+/**
+ * Creates a disposable that will dispose of an array of disposables when disposed.
+ */
+export function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {
+  return { dispose: () => disposeArray(array) };
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/MultiKeyMap.ts b/web/public/node_modules/@xterm/xterm/src/common/MultiKeyMap.ts
new file mode 100644
index 000000000..6287a8f24
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/MultiKeyMap.ts
@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export class TwoKeyMap<TFirst extends string | number, TSecond extends string | number, TValue> {
+  private _data: { [bg: string | number]: { [fg: string | number]: TValue | undefined } | undefined } = {};
+
+  public set(first: TFirst, second: TSecond, value: TValue): void {
+    if (!this._data[first]) {
+      this._data[first] = {};
+    }
+    this._data[first as string | number]![second] = value;
+  }
+
+  public get(first: TFirst, second: TSecond): TValue | undefined {
+    return this._data[first as string | number] ? this._data[first as string | number]![second] : undefined;
+  }
+
+  public clear(): void {
+    this._data = {};
+  }
+}
+
+export class FourKeyMap<TFirst extends string | number, TSecond extends string | number, TThird extends string | number, TFourth extends string | number, TValue> {
+  private _data: TwoKeyMap<TFirst, TSecond, TwoKeyMap<TThird, TFourth, TValue>> = new TwoKeyMap();
+
+  public set(first: TFirst, second: TSecond, third: TThird, fourth: TFourth, value: TValue): void {
+    if (!this._data.get(first, second)) {
+      this._data.set(first, second, new TwoKeyMap());
+    }
+    this._data.get(first, second)!.set(third, fourth, value);
+  }
+
+  public get(first: TFirst, second: TSecond, third: TThird, fourth: TFourth): TValue | undefined {
+    return this._data.get(first, second)?.get(third, fourth);
+  }
+
+  public clear(): void {
+    this._data.clear();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/Platform.ts b/web/public/node_modules/@xterm/xterm/src/common/Platform.ts
new file mode 100644
index 000000000..4102f20c0
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/Platform.ts
@@ -0,0 +1,44 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+interface INavigator {
+  userAgent: string;
+  language: string;
+  platform: string;
+}
+
+// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but
+// we want this module to live in common.
+declare const navigator: INavigator;
+declare const process: unknown;
+
+export const isNode = (typeof process !== 'undefined' && 'title' in (process as any)) ? true : false;
+const userAgent = (isNode) ? 'node' : navigator.userAgent;
+const platform = (isNode) ? 'node' : navigator.platform;
+
+export const isFirefox = userAgent.includes('Firefox');
+export const isLegacyEdge = userAgent.includes('Edge');
+export const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);
+export function getSafariVersion(): number {
+  if (!isSafari) {
+    return 0;
+  }
+  const majorVersion = userAgent.match(/Version\/(\d+)/);
+  if (majorVersion === null || majorVersion.length < 2) {
+    return 0;
+  }
+  return parseInt(majorVersion[1]);
+}
+
+// Find the users platform. We use this to interpret the meta key
+// and ISO third level shifts.
+// http://stackoverflow.com/q/19877924/577598
+export const isMac = ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'].includes(platform);
+export const isIpad = platform === 'iPad';
+export const isIphone = platform === 'iPhone';
+export const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].includes(platform);
+export const isLinux = platform.indexOf('Linux') >= 0;
+// Note that when this is true, isLinux will also be true.
+export const isChromeOS = /\bCrOS\b/.test(userAgent);
diff --git a/web/public/node_modules/@xterm/xterm/src/common/SortedList.ts b/web/public/node_modules/@xterm/xterm/src/common/SortedList.ts
new file mode 100644
index 000000000..c32500911
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/SortedList.ts
@@ -0,0 +1,118 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+// Work variables to avoid garbage collection.
+let i = 0;
+
+/**
+ * A generic list that is maintained in sorted order and allows values with duplicate keys. This
+ * list is based on binary search and as such locating a key will take O(log n) amortized, this
+ * includes the by key iterator.
+ */
+export class SortedList<T> {
+  private readonly _array: T[] = [];
+
+  constructor(
+    private readonly _getKey: (value: T) => number
+  ) {
+  }
+
+  public clear(): void {
+    this._array.length = 0;
+  }
+
+  public insert(value: T): void {
+    if (this._array.length === 0) {
+      this._array.push(value);
+      return;
+    }
+    i = this._search(this._getKey(value));
+    this._array.splice(i, 0, value);
+  }
+
+  public delete(value: T): boolean {
+    if (this._array.length === 0) {
+      return false;
+    }
+    const key = this._getKey(value);
+    if (key === undefined) {
+      return false;
+    }
+    i = this._search(key);
+    if (i === -1) {
+      return false;
+    }
+    if (this._getKey(this._array[i]) !== key) {
+      return false;
+    }
+    do {
+      if (this._array[i] === value) {
+        this._array.splice(i, 1);
+        return true;
+      }
+    } while (++i < this._array.length && this._getKey(this._array[i]) === key);
+    return false;
+  }
+
+  public *getKeyIterator(key: number): IterableIterator<T> {
+    if (this._array.length === 0) {
+      return;
+    }
+    i = this._search(key);
+    if (i < 0 || i >= this._array.length) {
+      return;
+    }
+    if (this._getKey(this._array[i]) !== key) {
+      return;
+    }
+    do {
+      yield this._array[i];
+    } while (++i < this._array.length && this._getKey(this._array[i]) === key);
+  }
+
+  public forEachByKey(key: number, callback: (value: T) => void): void {
+    if (this._array.length === 0) {
+      return;
+    }
+    i = this._search(key);
+    if (i < 0 || i >= this._array.length) {
+      return;
+    }
+    if (this._getKey(this._array[i]) !== key) {
+      return;
+    }
+    do {
+      callback(this._array[i]);
+    } while (++i < this._array.length && this._getKey(this._array[i]) === key);
+  }
+
+  public values(): IterableIterator<T> {
+    // Duplicate the array to avoid issues when _array changes while iterating
+    return [...this._array].values();
+  }
+
+  private _search(key: number): number {
+    let min = 0;
+    let max = this._array.length - 1;
+    while (max >= min) {
+      let mid = (min + max) >> 1;
+      const midKey = this._getKey(this._array[mid]);
+      if (midKey > key) {
+        max = mid - 1;
+      } else if (midKey < key) {
+        min = mid + 1;
+      } else {
+        // key in list, walk to lowest duplicate
+        while (mid > 0 && this._getKey(this._array[mid - 1]) === key) {
+          mid--;
+        }
+        return mid;
+      }
+    }
+    // key not in list
+    // still return closest min (also used as insert position)
+    return min;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/TaskQueue.ts b/web/public/node_modules/@xterm/xterm/src/common/TaskQueue.ts
new file mode 100644
index 000000000..29c29f648
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/TaskQueue.ts
@@ -0,0 +1,166 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { isNode } from 'common/Platform';
+
+interface ITaskQueue {
+  /**
+   * Adds a task to the queue which will run in a future idle callback.
+   * To avoid perceivable stalls on the mainthread, tasks with heavy workload
+   * should split their work into smaller pieces and return `true` to get
+   * called again until the work is done (on falsy return value).
+   */
+  enqueue(task: () => boolean | void): void;
+
+  /**
+   * Flushes the queue, running all remaining tasks synchronously.
+   */
+  flush(): void;
+
+  /**
+   * Clears any remaining tasks from the queue, these will not be run.
+   */
+  clear(): void;
+}
+
+interface ITaskDeadline {
+  timeRemaining(): number;
+}
+type CallbackWithDeadline = (deadline: ITaskDeadline) => void;
+
+abstract class TaskQueue implements ITaskQueue {
+  private _tasks: (() => boolean | void)[] = [];
+  private _idleCallback?: number;
+  private _i = 0;
+
+  protected abstract _requestCallback(callback: CallbackWithDeadline): number;
+  protected abstract _cancelCallback(identifier: number): void;
+
+  public enqueue(task: () => boolean | void): void {
+    this._tasks.push(task);
+    this._start();
+  }
+
+  public flush(): void {
+    while (this._i < this._tasks.length) {
+      if (!this._tasks[this._i]()) {
+        this._i++;
+      }
+    }
+    this.clear();
+  }
+
+  public clear(): void {
+    if (this._idleCallback) {
+      this._cancelCallback(this._idleCallback);
+      this._idleCallback = undefined;
+    }
+    this._i = 0;
+    this._tasks.length = 0;
+  }
+
+  private _start(): void {
+    if (!this._idleCallback) {
+      this._idleCallback = this._requestCallback(this._process.bind(this));
+    }
+  }
+
+  private _process(deadline: ITaskDeadline): void {
+    this._idleCallback = undefined;
+    let taskDuration = 0;
+    let longestTask = 0;
+    let lastDeadlineRemaining = deadline.timeRemaining();
+    let deadlineRemaining = 0;
+    while (this._i < this._tasks.length) {
+      taskDuration = Date.now();
+      if (!this._tasks[this._i]()) {
+        this._i++;
+      }
+      // other than performance.now, Date.now might not be stable (changes on wall clock changes),
+      // this is not an issue here as a clock change during a short running task is very unlikely
+      // in case it still happened and leads to negative duration, simply assume 1 msec
+      taskDuration = Math.max(1, Date.now() - taskDuration);
+      longestTask = Math.max(taskDuration, longestTask);
+      // Guess the following task will take a similar time to the longest task in this batch, allow
+      // additional room to try avoid exceeding the deadline
+      deadlineRemaining = deadline.timeRemaining();
+      if (longestTask * 1.5 > deadlineRemaining) {
+        // Warn when the time exceeding the deadline is over 20ms, if this happens in practice the
+        // task should be split into sub-tasks to ensure the UI remains responsive.
+        if (lastDeadlineRemaining - taskDuration < -20) {
+          console.warn(`task queue exceeded allotted deadline by ${Math.abs(Math.round(lastDeadlineRemaining - taskDuration))}ms`);
+        }
+        this._start();
+        return;
+      }
+      lastDeadlineRemaining = deadlineRemaining;
+    }
+    this.clear();
+  }
+}
+
+/**
+ * A queue of that runs tasks over several tasks via setTimeout, trying to maintain above 60 frames
+ * per second. The tasks will run in the order they are enqueued, but they will run some time later,
+ * and care should be taken to ensure they're non-urgent and will not introduce race conditions.
+ */
+export class PriorityTaskQueue extends TaskQueue {
+  protected _requestCallback(callback: CallbackWithDeadline): number {
+    return setTimeout(() => callback(this._createDeadline(16)));
+  }
+
+  protected _cancelCallback(identifier: number): void {
+    clearTimeout(identifier);
+  }
+
+  private _createDeadline(duration: number): ITaskDeadline {
+    const end = Date.now() + duration;
+    return {
+      timeRemaining: () => Math.max(0, end - Date.now())
+    };
+  }
+}
+
+class IdleTaskQueueInternal extends TaskQueue {
+  protected _requestCallback(callback: IdleRequestCallback): number {
+    return requestIdleCallback(callback);
+  }
+
+  protected _cancelCallback(identifier: number): void {
+    cancelIdleCallback(identifier);
+  }
+}
+
+/**
+ * A queue of that runs tasks over several idle callbacks, trying to respect the idle callback's
+ * deadline given by the environment. The tasks will run in the order they are enqueued, but they
+ * will run some time later, and care should be taken to ensure they're non-urgent and will not
+ * introduce race conditions.
+ *
+ * This reverts to a {@link PriorityTaskQueue} if the environment does not support idle callbacks.
+ */
+// eslint-disable-next-line @typescript-eslint/naming-convention
+export const IdleTaskQueue = (!isNode && 'requestIdleCallback' in window) ? IdleTaskQueueInternal : PriorityTaskQueue;
+
+/**
+ * An object that tracks a single debounced task that will run on the next idle frame. When called
+ * multiple times, only the last set task will run.
+ */
+export class DebouncedIdleTask {
+  private _queue: ITaskQueue;
+
+  constructor() {
+    this._queue = new IdleTaskQueue();
+  }
+
+  public set(task: () => boolean | void): void {
+    this._queue.clear();
+    this._queue.enqueue(task);
+  }
+
+  public flush(): void {
+    this._queue.flush();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/TypedArrayUtils.ts b/web/public/node_modules/@xterm/xterm/src/common/TypedArrayUtils.ts
new file mode 100644
index 000000000..f3bacd507
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/TypedArrayUtils.ts
@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Int8Array | Int16Array | Int32Array | Float32Array | Float64Array;
+
+/**
+ * Concat two typed arrays `a` and `b`.
+ * Returns a new typed array.
+ */
+export function concat<T extends TypedArray>(a: T, b: T): T {
+  const result = new (a.constructor as any)(a.length + b.length);
+  result.set(a);
+  result.set(b, a.length);
+  return result;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/Types.d.ts b/web/public/node_modules/@xterm/xterm/src/common/Types.d.ts
new file mode 100644
index 000000000..17c7231a2
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/Types.d.ts
@@ -0,0 +1,555 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDeleteEvent, IInsertEvent } from 'common/CircularList';
+import { IEvent, IEventEmitter } from 'common/EventEmitter';
+import { Attributes, UnderlineStyle } from 'common/buffer/Constants'; // eslint-disable-line no-unused-vars
+import { IBufferSet } from 'common/buffer/Types';
+import { IParams } from 'common/parser/Types';
+import { ICoreMouseService, ICoreService, IOptionsService, IUnicodeService } from 'common/services/Services';
+import { IFunctionIdentifier, ITerminalOptions as IPublicTerminalOptions } from '@xterm/xterm';
+
+export interface ICoreTerminal {
+  coreMouseService: ICoreMouseService;
+  coreService: ICoreService;
+  optionsService: IOptionsService;
+  unicodeService: IUnicodeService;
+  buffers: IBufferSet;
+  options: Required<ITerminalOptions>;
+  registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable;
+  registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable;
+}
+
+export interface IDisposable {
+  dispose(): void;
+}
+
+// TODO: The options that are not in the public API should be reviewed
+export interface ITerminalOptions extends IPublicTerminalOptions {
+  [key: string]: any;
+  cancelEvents?: boolean;
+  convertEol?: boolean;
+  termName?: string;
+}
+
+export type CursorStyle = 'block' | 'underline' | 'bar';
+
+export type CursorInactiveStyle = 'outline' | 'block' | 'bar' | 'underline' | 'none';
+
+export type XtermListener = (...args: any[]) => void;
+
+/**
+ * A keyboard event interface which does not depend on the DOM, KeyboardEvent implicitly extends
+ * this event.
+ */
+export interface IKeyboardEvent {
+  altKey: boolean;
+  ctrlKey: boolean;
+  shiftKey: boolean;
+  metaKey: boolean;
+  /** @deprecated See KeyboardEvent.keyCode */
+  keyCode: number;
+  key: string;
+  type: string;
+  code: string;
+}
+
+export interface IScrollEvent {
+  position: number;
+  source: ScrollSource;
+}
+
+export const enum ScrollSource {
+  TERMINAL,
+  VIEWPORT,
+}
+
+export interface ICircularList<T> {
+  length: number;
+  maxLength: number;
+  isFull: boolean;
+
+  onDeleteEmitter: IEventEmitter<IDeleteEvent>;
+  onDelete: IEvent<IDeleteEvent>;
+  onInsertEmitter: IEventEmitter<IInsertEvent>;
+  onInsert: IEvent<IInsertEvent>;
+  onTrimEmitter: IEventEmitter<number>;
+  onTrim: IEvent<number>;
+
+  get(index: number): T | undefined;
+  set(index: number, value: T): void;
+  push(value: T): void;
+  recycle(): T;
+  pop(): T | undefined;
+  splice(start: number, deleteCount: number, ...items: T[]): void;
+  trimStart(count: number): void;
+  shiftElements(start: number, count: number, offset: number): void;
+}
+
+export const enum KeyboardResultType {
+  SEND_KEY,
+  SELECT_ALL,
+  PAGE_UP,
+  PAGE_DOWN
+}
+
+export interface IKeyboardResult {
+  type: KeyboardResultType;
+  cancel: boolean;
+  key: string | undefined;
+}
+
+export interface ICharset {
+  [key: string]: string | undefined;
+}
+
+export type CharData = [number, string, number, number];
+
+export interface IColor {
+  readonly css: string;
+  readonly rgba: number; // 32-bit int with rgba in each byte
+}
+export type IColorRGB = [number, number, number];
+
+export interface IExtendedAttrs {
+  ext: number;
+  underlineStyle: UnderlineStyle;
+  underlineColor: number;
+  underlineVariantOffset: number;
+  urlId: number;
+  clone(): IExtendedAttrs;
+  isEmpty(): boolean;
+}
+
+/**
+ * Tracks the current hyperlink. Since these are treated as extended attirbutes, these get passed on
+ * to the linkifier when anything is printed. Doing it this way ensures that even when the cursor
+ * moves around unexpectedly the link is tracked, as opposed to using a start position and
+ * finalizing it at the end.
+ */
+export interface IOscLinkData {
+  id?: string;
+  uri: string;
+}
+
+/**
+ * An object that represents all attributes of a cell.
+ */
+export interface IAttributeData {
+  /**
+   * "fg" is a 32-bit unsigned integer that stores the foreground color of the cell in the 24 least
+   * significant bits and additional flags in the remaining 8 bits.
+   */
+  fg: number;
+  /**
+   * "bg" is a 32-bit unsigned integer that stores the background color of the cell in the 24 least
+   * significant bits and additional flags in the remaining 8 bits.
+   */
+  bg: number;
+  /**
+   * "extended", aka "ext", stores extended attributes beyond those available in fg and bg. This
+   * data is optional on a cell and encodes less common data.
+   */
+  extended: IExtendedAttrs;
+
+  clone(): IAttributeData;
+
+  // flags
+  isInverse(): number;
+  isBold(): number;
+  isUnderline(): number;
+  isBlink(): number;
+  isInvisible(): number;
+  isItalic(): number;
+  isDim(): number;
+  isStrikethrough(): number;
+  isProtected(): number;
+  isOverline(): number;
+
+  /**
+   * The color mode of the foreground color which determines how to decode {@link getFgColor},
+   * possible values include {@link Attributes.CM_DEFAULT}, {@link Attributes.CM_P16},
+   * {@link Attributes.CM_P256} and {@link Attributes.CM_RGB}.
+   */
+  getFgColorMode(): number;
+  /**
+   * The color mode of the background color which determines how to decode {@link getBgColor},
+   * possible values include {@link Attributes.CM_DEFAULT}, {@link Attributes.CM_P16},
+   * {@link Attributes.CM_P256} and {@link Attributes.CM_RGB}.
+   */
+  getBgColorMode(): number;
+  isFgRGB(): boolean;
+  isBgRGB(): boolean;
+  isFgPalette(): boolean;
+  isBgPalette(): boolean;
+  isFgDefault(): boolean;
+  isBgDefault(): boolean;
+  isAttributeDefault(): boolean;
+
+  /**
+   * Gets an integer representation of the foreground color, how to decode the color depends on the
+   * color mode {@link getFgColorMode}.
+   */
+  getFgColor(): number;
+  /**
+   * Gets an integer representation of the background color, how to decode the color depends on the
+   * color mode {@link getBgColorMode}.
+   */
+  getBgColor(): number;
+
+  // extended attrs
+  hasExtendedAttrs(): number;
+  updateExtended(): void;
+  getUnderlineColor(): number;
+  getUnderlineColorMode(): number;
+  isUnderlineColorRGB(): boolean;
+  isUnderlineColorPalette(): boolean;
+  isUnderlineColorDefault(): boolean;
+  getUnderlineStyle(): number;
+  getUnderlineVariantOffset(): number;
+}
+
+/** Cell data */
+export interface ICellData extends IAttributeData {
+  content: number;
+  combinedData: string;
+  isCombined(): number;
+  getWidth(): number;
+  getChars(): string;
+  getCode(): number;
+  setFromCharData(value: CharData): void;
+  getAsCharData(): CharData;
+}
+
+/**
+ * Interface for a line in the terminal buffer.
+ */
+export interface IBufferLine {
+  length: number;
+  isWrapped: boolean;
+  get(index: number): CharData;
+  set(index: number, value: CharData): void;
+  loadCell(index: number, cell: ICellData): ICellData;
+  setCell(index: number, cell: ICellData): void;
+  setCellFromCodepoint(index: number, codePoint: number, width: number, attrs: IAttributeData): void;
+  addCodepointToCell(index: number, codePoint: number, width: number): void;
+  insertCells(pos: number, n: number, ch: ICellData): void;
+  deleteCells(pos: number, n: number, fill: ICellData): void;
+  replaceCells(start: number, end: number, fill: ICellData, respectProtect?: boolean): void;
+  resize(cols: number, fill: ICellData): boolean;
+  cleanupMemory(): number;
+  fill(fillCellData: ICellData, respectProtect?: boolean): void;
+  copyFrom(line: IBufferLine): void;
+  clone(): IBufferLine;
+  getTrimmedLength(): number;
+  getNoBgTrimmedLength(): number;
+  translateToString(trimRight?: boolean, startCol?: number, endCol?: number, outColumns?: number[]): string;
+
+  /* direct access to cell attrs */
+  getWidth(index: number): number;
+  hasWidth(index: number): number;
+  getFg(index: number): number;
+  getBg(index: number): number;
+  hasContent(index: number): number;
+  getCodePoint(index: number): number;
+  isCombined(index: number): number;
+  getString(index: number): string;
+}
+
+export interface IMarker extends IDisposable {
+  readonly id: number;
+  readonly isDisposed: boolean;
+  readonly line: number;
+  onDispose: IEvent<void>;
+}
+export interface IModes {
+  insertMode: boolean;
+}
+
+export interface IDecPrivateModes {
+  applicationCursorKeys: boolean;
+  applicationKeypad: boolean;
+  bracketedPasteMode: boolean;
+  origin: boolean;
+  reverseWraparound: boolean;
+  sendFocus: boolean;
+  wraparound: boolean; // defaults: xterm - true, vt100 - false
+}
+
+export interface IRowRange {
+  start: number;
+  end: number;
+}
+
+/**
+ * Interface for mouse events in the core.
+ */
+export const enum CoreMouseButton {
+  LEFT = 0,
+  MIDDLE = 1,
+  RIGHT = 2,
+  NONE = 3,
+  WHEEL = 4,
+  // additional buttons 1..8
+  // untested!
+  AUX1 = 8,
+  AUX2 = 9,
+  AUX3 = 10,
+  AUX4 = 11,
+  AUX5 = 12,
+  AUX6 = 13,
+  AUX7 = 14,
+  AUX8 = 15
+}
+
+export const enum CoreMouseAction {
+  UP = 0,     // buttons, wheel
+  DOWN = 1,   // buttons, wheel
+  LEFT = 2,   // wheel only
+  RIGHT = 3,  // wheel only
+  MOVE = 32   // buttons only
+}
+
+export interface ICoreMouseEvent {
+  /** column (zero based). */
+  col: number;
+  /** row (zero based). */
+  row: number;
+  /** xy pixel positions. */
+  x: number;
+  y: number;
+  /**
+   * Button the action occured. Due to restrictions of the tracking protocols
+   * it is not possible to report multiple buttons at once.
+   * Wheel is treated as a button.
+   * There are invalid combinations of buttons and actions possible
+   * (like move + wheel), those are silently ignored by the CoreMouseService.
+   */
+  button: CoreMouseButton;
+  action: CoreMouseAction;
+  /**
+   * Modifier states.
+   * Protocols will add/ignore those based on specific restrictions.
+   */
+  ctrl?: boolean;
+  alt?: boolean;
+  shift?: boolean;
+}
+
+/**
+ * CoreMouseEventType
+ * To be reported to the browser component which events a mouse
+ * protocol wants to be catched and forwarded as an ICoreMouseEvent
+ * to CoreMouseService.
+ */
+export const enum CoreMouseEventType {
+  NONE = 0,
+  /** any mousedown event */
+  DOWN = 1,
+  /** any mouseup event */
+  UP = 2,
+  /** any mousemove event while a button is held */
+  DRAG = 4,
+  /** any mousemove event without a button */
+  MOVE = 8,
+  /** any wheel event */
+  WHEEL = 16
+}
+
+/**
+ * Mouse protocol interface.
+ * A mouse protocol can be registered and activated at the CoreMouseService.
+ * `events` should contain a list of needed events as a hint for the browser component
+ * to install/remove the appropriate event handlers.
+ * `restrict` applies further protocol specific restrictions like not allowed
+ * modifiers or filtering invalid event types.
+ */
+export interface ICoreMouseProtocol {
+  events: CoreMouseEventType;
+  restrict: (e: ICoreMouseEvent) => boolean;
+}
+
+/**
+ * CoreMouseEncoding
+ * The tracking encoding can be registered and activated at the CoreMouseService.
+ * If a ICoreMouseEvent passes all procotol restrictions it will be encoded
+ * with the active encoding and sent out.
+ * Note: Returning an empty string will supress sending a mouse report,
+ * which can be used to skip creating falsey reports in limited encodings
+ * (DEFAULT only supports up to 223 1-based as coord value).
+ */
+export type CoreMouseEncoding = (event: ICoreMouseEvent) => string;
+
+/**
+ * windowOptions
+ */
+export interface IWindowOptions {
+  restoreWin?: boolean;
+  minimizeWin?: boolean;
+  setWinPosition?: boolean;
+  setWinSizePixels?: boolean;
+  raiseWin?: boolean;
+  lowerWin?: boolean;
+  refreshWin?: boolean;
+  setWinSizeChars?: boolean;
+  maximizeWin?: boolean;
+  fullscreenWin?: boolean;
+  getWinState?: boolean;
+  getWinPosition?: boolean;
+  getWinSizePixels?: boolean;
+  getScreenSizePixels?: boolean;
+  getCellSizePixels?: boolean;
+  getWinSizeChars?: boolean;
+  getScreenSizeChars?: boolean;
+  getIconTitle?: boolean;
+  getWinTitle?: boolean;
+  pushTitle?: boolean;
+  popTitle?: boolean;
+  setWinLines?: boolean;
+}
+
+// color events from common, used for OSC 4/10/11/12 and 104/110/111/112
+export const enum ColorRequestType {
+  REPORT = 0,
+  SET = 1,
+  RESTORE = 2
+}
+
+// IntRange from https://stackoverflow.com/a/39495173
+type Enumerate<N extends number, Acc extends number[] = []> = Acc['length'] extends N
+  ? Acc[number]
+  : Enumerate<N, [...Acc, Acc['length']]>;
+type IntRange<F extends number, T extends number> = Exclude<Enumerate<T>, Enumerate<F>>;
+
+type ColorIndex = IntRange<0, 256>; // number from 0 to 255
+type AllColorIndex = ColorIndex | SpecialColorIndex;
+export const enum SpecialColorIndex {
+  FOREGROUND = 256,
+  BACKGROUND = 257,
+  CURSOR = 258
+}
+export interface IColorReportRequest {
+  type: ColorRequestType.REPORT;
+  index: AllColorIndex;
+}
+export interface IColorSetRequest {
+  type: ColorRequestType.SET;
+  index: AllColorIndex;
+  color: IColorRGB;
+}
+export interface IColorRestoreRequest {
+  type: ColorRequestType.RESTORE;
+  index?: AllColorIndex;
+}
+export type IColorEvent = (IColorReportRequest | IColorSetRequest | IColorRestoreRequest)[];
+
+
+/**
+ * Calls the parser and handles actions generated by the parser.
+ */
+export interface IInputHandler {
+  onTitleChange: IEvent<string>;
+
+  parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean>;
+  print(data: Uint32Array, start: number, end: number): void;
+  registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable;
+  registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable;
+
+  /** C0 BEL */ bell(): boolean;
+  /** C0 LF */ lineFeed(): boolean;
+  /** C0 CR */ carriageReturn(): boolean;
+  /** C0 BS */ backspace(): boolean;
+  /** C0 HT */ tab(): boolean;
+  /** C0 SO */ shiftOut(): boolean;
+  /** C0 SI */ shiftIn(): boolean;
+
+  /** CSI @ */ insertChars(params: IParams): boolean;
+  /** CSI SP @ */ scrollLeft(params: IParams): boolean;
+  /** CSI A */ cursorUp(params: IParams): boolean;
+  /** CSI SP A */ scrollRight(params: IParams): boolean;
+  /** CSI B */ cursorDown(params: IParams): boolean;
+  /** CSI C */ cursorForward(params: IParams): boolean;
+  /** CSI D */ cursorBackward(params: IParams): boolean;
+  /** CSI E */ cursorNextLine(params: IParams): boolean;
+  /** CSI F */ cursorPrecedingLine(params: IParams): boolean;
+  /** CSI G */ cursorCharAbsolute(params: IParams): boolean;
+  /** CSI H */ cursorPosition(params: IParams): boolean;
+  /** CSI I */ cursorForwardTab(params: IParams): boolean;
+  /** CSI J */ eraseInDisplay(params: IParams): boolean;
+  /** CSI K */ eraseInLine(params: IParams): boolean;
+  /** CSI L */ insertLines(params: IParams): boolean;
+  /** CSI M */ deleteLines(params: IParams): boolean;
+  /** CSI P */ deleteChars(params: IParams): boolean;
+  /** CSI S */ scrollUp(params: IParams): boolean;
+  /** CSI T */ scrollDown(params: IParams, collect?: string): boolean;
+  /** CSI X */ eraseChars(params: IParams): boolean;
+  /** CSI Z */ cursorBackwardTab(params: IParams): boolean;
+  /** CSI ` */ charPosAbsolute(params: IParams): boolean;
+  /** CSI a */ hPositionRelative(params: IParams): boolean;
+  /** CSI b */ repeatPrecedingCharacter(params: IParams): boolean;
+  /** CSI c */ sendDeviceAttributesPrimary(params: IParams): boolean;
+  /** CSI > c */ sendDeviceAttributesSecondary(params: IParams): boolean;
+  /** CSI d */ linePosAbsolute(params: IParams): boolean;
+  /** CSI e */ vPositionRelative(params: IParams): boolean;
+  /** CSI f */ hVPosition(params: IParams): boolean;
+  /** CSI g */ tabClear(params: IParams): boolean;
+  /** CSI h */ setMode(params: IParams, collect?: string): boolean;
+  /** CSI l */ resetMode(params: IParams, collect?: string): boolean;
+  /** CSI m */ charAttributes(params: IParams): boolean;
+  /** CSI n */ deviceStatus(params: IParams, collect?: string): boolean;
+  /** CSI p */ softReset(params: IParams, collect?: string): boolean;
+  /** CSI q */ setCursorStyle(params: IParams, collect?: string): boolean;
+  /** CSI r */ setScrollRegion(params: IParams, collect?: string): boolean;
+  /** CSI s */ saveCursor(params: IParams): boolean;
+  /** CSI u */ restoreCursor(params: IParams): boolean;
+  /** CSI ' } */ insertColumns(params: IParams): boolean;
+  /** CSI ' ~ */ deleteColumns(params: IParams): boolean;
+
+  /** OSC 0
+      OSC 2 */ setTitle(data: string): boolean;
+  /** OSC 4 */ setOrReportIndexedColor(data: string): boolean;
+  /** OSC 10 */ setOrReportFgColor(data: string): boolean;
+  /** OSC 11 */ setOrReportBgColor(data: string): boolean;
+  /** OSC 12 */ setOrReportCursorColor(data: string): boolean;
+  /** OSC 104 */ restoreIndexedColor(data: string): boolean;
+  /** OSC 110 */ restoreFgColor(data: string): boolean;
+  /** OSC 111 */ restoreBgColor(data: string): boolean;
+  /** OSC 112 */ restoreCursorColor(data: string): boolean;
+
+  /** ESC E */ nextLine(): boolean;
+  /** ESC = */ keypadApplicationMode(): boolean;
+  /** ESC > */ keypadNumericMode(): boolean;
+  /** ESC % G
+      ESC % @ */ selectDefaultCharset(): boolean;
+  /** ESC ( C
+      ESC ) C
+      ESC * C
+      ESC + C
+      ESC - C
+      ESC . C
+      ESC / C */ selectCharset(collectAndFlag: string): boolean;
+  /** ESC D */ index(): boolean;
+  /** ESC H */ tabSet(): boolean;
+  /** ESC M */ reverseIndex(): boolean;
+  /** ESC c */ fullReset(): boolean;
+  /** ESC n
+      ESC o
+      ESC |
+      ESC }
+      ESC ~ */ setgLevel(level: number): boolean;
+  /** ESC # 8 */ screenAlignmentPattern(): boolean;
+}
+
+export interface IParseStack {
+  paused: boolean;
+  cursorStartX: number;
+  cursorStartY: number;
+  decodedLength: number;
+  position: number;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/WindowsMode.ts b/web/public/node_modules/@xterm/xterm/src/common/WindowsMode.ts
new file mode 100644
index 000000000..7cff094b2
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/WindowsMode.ts
@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'common/buffer/Constants';
+import { IBufferService } from 'common/services/Services';
+
+export function updateWindowsModeWrappedState(bufferService: IBufferService): void {
+  // Winpty does not support wraparound mode which means that lines will never
+  // be marked as wrapped. This causes issues for things like copying a line
+  // retaining the wrapped new line characters or if consumers are listening
+  // in on the data stream.
+  //
+  // The workaround for this is to listen to every incoming line feed and mark
+  // the line as wrapped if the last character in the previous line is not a
+  // space. This is certainly not without its problems, but generally on
+  // Windows when text reaches the end of the terminal it's likely going to be
+  // wrapped.
+  const line = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y - 1);
+  const lastChar = line?.get(bufferService.cols - 1);
+
+  const nextLine = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y);
+  if (nextLine && lastChar) {
+    nextLine.isWrapped = (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/AttributeData.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/AttributeData.ts
new file mode 100644
index 000000000..6221fb81d
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/AttributeData.ts
@@ -0,0 +1,211 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IAttributeData, IColorRGB, IExtendedAttrs } from 'common/Types';
+import { Attributes, FgFlags, BgFlags, UnderlineStyle, ExtFlags } from 'common/buffer/Constants';
+
+export class AttributeData implements IAttributeData {
+  public static toColorRGB(value: number): IColorRGB {
+    return [
+      value >>> Attributes.RED_SHIFT & 255,
+      value >>> Attributes.GREEN_SHIFT & 255,
+      value & 255
+    ];
+  }
+
+  public static fromColorRGB(value: IColorRGB): number {
+    return (value[0] & 255) << Attributes.RED_SHIFT | (value[1] & 255) << Attributes.GREEN_SHIFT | value[2] & 255;
+  }
+
+  public clone(): IAttributeData {
+    const newObj = new AttributeData();
+    newObj.fg = this.fg;
+    newObj.bg = this.bg;
+    newObj.extended = this.extended.clone();
+    return newObj;
+  }
+
+  // data
+  public fg = 0;
+  public bg = 0;
+  public extended: IExtendedAttrs = new ExtendedAttrs();
+
+  // flags
+  public isInverse(): number       { return this.fg & FgFlags.INVERSE; }
+  public isBold(): number          { return this.fg & FgFlags.BOLD; }
+  public isUnderline(): number     {
+    if (this.hasExtendedAttrs() && this.extended.underlineStyle !== UnderlineStyle.NONE) {
+      return 1;
+    }
+    return this.fg & FgFlags.UNDERLINE;
+  }
+  public isBlink(): number         { return this.fg & FgFlags.BLINK; }
+  public isInvisible(): number     { return this.fg & FgFlags.INVISIBLE; }
+  public isItalic(): number        { return this.bg & BgFlags.ITALIC; }
+  public isDim(): number           { return this.bg & BgFlags.DIM; }
+  public isStrikethrough(): number { return this.fg & FgFlags.STRIKETHROUGH; }
+  public isProtected(): number     { return this.bg & BgFlags.PROTECTED; }
+  public isOverline(): number      { return this.bg & BgFlags.OVERLINE; }
+
+  // color modes
+  public getFgColorMode(): number { return this.fg & Attributes.CM_MASK; }
+  public getBgColorMode(): number { return this.bg & Attributes.CM_MASK; }
+  public isFgRGB(): boolean       { return (this.fg & Attributes.CM_MASK) === Attributes.CM_RGB; }
+  public isBgRGB(): boolean       { return (this.bg & Attributes.CM_MASK) === Attributes.CM_RGB; }
+  public isFgPalette(): boolean   { return (this.fg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.fg & Attributes.CM_MASK) === Attributes.CM_P256; }
+  public isBgPalette(): boolean   { return (this.bg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.bg & Attributes.CM_MASK) === Attributes.CM_P256; }
+  public isFgDefault(): boolean   { return (this.fg & Attributes.CM_MASK) === 0; }
+  public isBgDefault(): boolean   { return (this.bg & Attributes.CM_MASK) === 0; }
+  public isAttributeDefault(): boolean { return this.fg === 0 && this.bg === 0; }
+
+  // colors
+  public getFgColor(): number {
+    switch (this.fg & Attributes.CM_MASK) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:  return this.fg & Attributes.PCOLOR_MASK;
+      case Attributes.CM_RGB:   return this.fg & Attributes.RGB_MASK;
+      default:                  return -1;  // CM_DEFAULT defaults to -1
+    }
+  }
+  public getBgColor(): number {
+    switch (this.bg & Attributes.CM_MASK) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:  return this.bg & Attributes.PCOLOR_MASK;
+      case Attributes.CM_RGB:   return this.bg & Attributes.RGB_MASK;
+      default:                  return -1;  // CM_DEFAULT defaults to -1
+    }
+  }
+
+  // extended attrs
+  public hasExtendedAttrs(): number {
+    return this.bg & BgFlags.HAS_EXTENDED;
+  }
+  public updateExtended(): void {
+    if (this.extended.isEmpty()) {
+      this.bg &= ~BgFlags.HAS_EXTENDED;
+    } else {
+      this.bg |= BgFlags.HAS_EXTENDED;
+    }
+  }
+  public getUnderlineColor(): number {
+    if ((this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor) {
+      switch (this.extended.underlineColor & Attributes.CM_MASK) {
+        case Attributes.CM_P16:
+        case Attributes.CM_P256:  return this.extended.underlineColor & Attributes.PCOLOR_MASK;
+        case Attributes.CM_RGB:   return this.extended.underlineColor & Attributes.RGB_MASK;
+        default:                  return this.getFgColor();
+      }
+    }
+    return this.getFgColor();
+  }
+  public getUnderlineColorMode(): number {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? this.extended.underlineColor & Attributes.CM_MASK
+      : this.getFgColorMode();
+  }
+  public isUnderlineColorRGB(): boolean {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_RGB
+      : this.isFgRGB();
+  }
+  public isUnderlineColorPalette(): boolean {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P16
+          || (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P256
+      : this.isFgPalette();
+  }
+  public isUnderlineColorDefault(): boolean {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? (this.extended.underlineColor & Attributes.CM_MASK) === 0
+      : this.isFgDefault();
+  }
+  public getUnderlineStyle(): UnderlineStyle {
+    return this.fg & FgFlags.UNDERLINE
+      ? (this.bg & BgFlags.HAS_EXTENDED ? this.extended.underlineStyle : UnderlineStyle.SINGLE)
+      : UnderlineStyle.NONE;
+  }
+  public getUnderlineVariantOffset(): number {
+    return this.extended.underlineVariantOffset;
+  }
+}
+
+
+/**
+ * Extended attributes for a cell.
+ * Holds information about different underline styles and color.
+ */
+export class ExtendedAttrs implements IExtendedAttrs {
+  private _ext: number = 0;
+  public get ext(): number {
+    if (this._urlId) {
+      return (
+        (this._ext & ~ExtFlags.UNDERLINE_STYLE) |
+        (this.underlineStyle << 26)
+      );
+    }
+    return this._ext;
+  }
+  public set ext(value: number) { this._ext = value; }
+
+  public get underlineStyle(): UnderlineStyle {
+    // Always return the URL style if it has one
+    if (this._urlId) {
+      return UnderlineStyle.DASHED;
+    }
+    return (this._ext & ExtFlags.UNDERLINE_STYLE) >> 26;
+  }
+  public set underlineStyle(value: UnderlineStyle) {
+    this._ext &= ~ExtFlags.UNDERLINE_STYLE;
+    this._ext |= (value << 26) & ExtFlags.UNDERLINE_STYLE;
+  }
+
+  public get underlineColor(): number {
+    return this._ext & (Attributes.CM_MASK | Attributes.RGB_MASK);
+  }
+  public set underlineColor(value: number) {
+    this._ext &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+    this._ext |= value & (Attributes.CM_MASK | Attributes.RGB_MASK);
+  }
+
+  private _urlId: number = 0;
+  public get urlId(): number {
+    return this._urlId;
+  }
+  public set urlId(value: number) {
+    this._urlId = value;
+  }
+
+  public get underlineVariantOffset(): number {
+    const val = (this._ext & ExtFlags.VARIANT_OFFSET) >> 29;
+    if (val < 0) {
+      return val ^ 0xFFFFFFF8;
+    }
+    return val;
+  }
+  public set underlineVariantOffset(value: number) {
+    this._ext &= ~ExtFlags.VARIANT_OFFSET;
+    this._ext |= (value << 29) & ExtFlags.VARIANT_OFFSET;
+  }
+
+  constructor(
+    ext: number = 0,
+    urlId: number = 0
+  ) {
+    this._ext = ext;
+    this._urlId = urlId;
+  }
+
+  public clone(): IExtendedAttrs {
+    return new ExtendedAttrs(this._ext, this._urlId);
+  }
+
+  /**
+   * Convenient method to indicate whether the object holds no additional information,
+   * that needs to be persistant in the buffer.
+   */
+  public isEmpty(): boolean {
+    return this.underlineStyle === UnderlineStyle.NONE && this._urlId === 0;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/Buffer.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/Buffer.ts
new file mode 100644
index 000000000..250c96bcc
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/Buffer.ts
@@ -0,0 +1,654 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CircularList, IInsertEvent } from 'common/CircularList';
+import { IdleTaskQueue } from 'common/TaskQueue';
+import { IAttributeData, IBufferLine, ICellData, ICharset } from 'common/Types';
+import { ExtendedAttrs } from 'common/buffer/AttributeData';
+import { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { getWrappedLineTrimmedLength, reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths } from 'common/buffer/BufferReflow';
+import { CellData } from 'common/buffer/CellData';
+import { NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE, WHITESPACE_CELL_WIDTH } from 'common/buffer/Constants';
+import { Marker } from 'common/buffer/Marker';
+import { IBuffer } from 'common/buffer/Types';
+import { DEFAULT_CHARSET } from 'common/data/Charsets';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+export const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1
+
+/**
+ * This class represents a terminal buffer (an internal state of the terminal), where the
+ * following information is stored (in high-level):
+ *   - text content of this particular buffer
+ *   - cursor position
+ *   - scroll position
+ */
+export class Buffer implements IBuffer {
+  public lines: CircularList<IBufferLine>;
+  public ydisp: number = 0;
+  public ybase: number = 0;
+  public y: number = 0;
+  public x: number = 0;
+  public scrollBottom: number;
+  public scrollTop: number;
+  public tabs: { [column: number]: boolean | undefined } = {};
+  public savedY: number = 0;
+  public savedX: number = 0;
+  public savedCurAttrData = DEFAULT_ATTR_DATA.clone();
+  public savedCharset: ICharset | undefined = DEFAULT_CHARSET;
+  public markers: Marker[] = [];
+  private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
+  private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);
+  private _cols: number;
+  private _rows: number;
+  private _isClearing: boolean = false;
+
+  constructor(
+    private _hasScrollback: boolean,
+    private _optionsService: IOptionsService,
+    private _bufferService: IBufferService
+  ) {
+    this._cols = this._bufferService.cols;
+    this._rows = this._bufferService.rows;
+    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));
+    this.scrollTop = 0;
+    this.scrollBottom = this._rows - 1;
+    this.setupTabStops();
+  }
+
+  public getNullCell(attr?: IAttributeData): ICellData {
+    if (attr) {
+      this._nullCell.fg = attr.fg;
+      this._nullCell.bg = attr.bg;
+      this._nullCell.extended = attr.extended;
+    } else {
+      this._nullCell.fg = 0;
+      this._nullCell.bg = 0;
+      this._nullCell.extended = new ExtendedAttrs();
+    }
+    return this._nullCell;
+  }
+
+  public getWhitespaceCell(attr?: IAttributeData): ICellData {
+    if (attr) {
+      this._whitespaceCell.fg = attr.fg;
+      this._whitespaceCell.bg = attr.bg;
+      this._whitespaceCell.extended = attr.extended;
+    } else {
+      this._whitespaceCell.fg = 0;
+      this._whitespaceCell.bg = 0;
+      this._whitespaceCell.extended = new ExtendedAttrs();
+    }
+    return this._whitespaceCell;
+  }
+
+  public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {
+    return new BufferLine(this._bufferService.cols, this.getNullCell(attr), isWrapped);
+  }
+
+  public get hasScrollback(): boolean {
+    return this._hasScrollback && this.lines.maxLength > this._rows;
+  }
+
+  public get isCursorInViewport(): boolean {
+    const absoluteY = this.ybase + this.y;
+    const relativeY = absoluteY - this.ydisp;
+    return (relativeY >= 0 && relativeY < this._rows);
+  }
+
+  /**
+   * Gets the correct buffer length based on the rows provided, the terminal's
+   * scrollback and whether this buffer is flagged to have scrollback or not.
+   * @param rows The terminal rows to use in the calculation.
+   */
+  private _getCorrectBufferLength(rows: number): number {
+    if (!this._hasScrollback) {
+      return rows;
+    }
+
+    const correctBufferLength = rows + this._optionsService.rawOptions.scrollback;
+
+    return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;
+  }
+
+  /**
+   * Fills the buffer's viewport with blank lines.
+   */
+  public fillViewportRows(fillAttr?: IAttributeData): void {
+    if (this.lines.length === 0) {
+      if (fillAttr === undefined) {
+        fillAttr = DEFAULT_ATTR_DATA;
+      }
+      let i = this._rows;
+      while (i--) {
+        this.lines.push(this.getBlankLine(fillAttr));
+      }
+    }
+  }
+
+  /**
+   * Clears the buffer to it's initial state, discarding all previous data.
+   */
+  public clear(): void {
+    this.ydisp = 0;
+    this.ybase = 0;
+    this.y = 0;
+    this.x = 0;
+    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));
+    this.scrollTop = 0;
+    this.scrollBottom = this._rows - 1;
+    this.setupTabStops();
+  }
+
+  /**
+   * Resizes the buffer, adjusting its data accordingly.
+   * @param newCols The new number of columns.
+   * @param newRows The new number of rows.
+   */
+  public resize(newCols: number, newRows: number): void {
+    // store reference to null cell with default attrs
+    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
+
+    // count bufferlines with overly big memory to be cleaned afterwards
+    let dirtyMemoryLines = 0;
+
+    // Increase max length if needed before adjustments to allow space to fill
+    // as required.
+    const newMaxLength = this._getCorrectBufferLength(newRows);
+    if (newMaxLength > this.lines.maxLength) {
+      this.lines.maxLength = newMaxLength;
+    }
+
+    // The following adjustments should only happen if the buffer has been
+    // initialized/filled.
+    if (this.lines.length > 0) {
+      // Deal with columns increasing (reducing needs to happen after reflow)
+      if (this._cols < newCols) {
+        for (let i = 0; i < this.lines.length; i++) {
+          // +boolean for fast 0 or 1 conversion
+          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);
+        }
+      }
+
+      // Resize rows in both directions as needed
+      let addToY = 0;
+      if (this._rows < newRows) {
+        for (let y = this._rows; y < newRows; y++) {
+          if (this.lines.length < newRows + this.ybase) {
+            if (this._optionsService.rawOptions.windowsMode || this._optionsService.rawOptions.windowsPty.backend !== undefined || this._optionsService.rawOptions.windowsPty.buildNumber !== undefined) {
+              // Just add the new missing rows on Windows as conpty reprints the screen with it's
+              // view of the world. Once a line enters scrollback for conpty it remains there
+              this.lines.push(new BufferLine(newCols, nullCell));
+            } else {
+              if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
+                // There is room above the buffer and there are no empty elements below the line,
+                // scroll up
+                this.ybase--;
+                addToY++;
+                if (this.ydisp > 0) {
+                  // Viewport is at the top of the buffer, must increase downwards
+                  this.ydisp--;
+                }
+              } else {
+                // Add a blank line if there is no buffer left at the top to scroll to, or if there
+                // are blank lines after the cursor
+                this.lines.push(new BufferLine(newCols, nullCell));
+              }
+            }
+          }
+        }
+      } else { // (this._rows >= newRows)
+        for (let y = this._rows; y > newRows; y--) {
+          if (this.lines.length > newRows + this.ybase) {
+            if (this.lines.length > this.ybase + this.y + 1) {
+              // The line is a blank line below the cursor, remove it
+              this.lines.pop();
+            } else {
+              // The line is the cursor, scroll down
+              this.ybase++;
+              this.ydisp++;
+            }
+          }
+        }
+      }
+
+      // Reduce max length if needed after adjustments, this is done after as it
+      // would otherwise cut data from the bottom of the buffer.
+      if (newMaxLength < this.lines.maxLength) {
+        // Trim from the top of the buffer and adjust ybase and ydisp.
+        const amountToTrim = this.lines.length - newMaxLength;
+        if (amountToTrim > 0) {
+          this.lines.trimStart(amountToTrim);
+          this.ybase = Math.max(this.ybase - amountToTrim, 0);
+          this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
+          this.savedY = Math.max(this.savedY - amountToTrim, 0);
+        }
+        this.lines.maxLength = newMaxLength;
+      }
+
+      // Make sure that the cursor stays on screen
+      this.x = Math.min(this.x, newCols - 1);
+      this.y = Math.min(this.y, newRows - 1);
+      if (addToY) {
+        this.y += addToY;
+      }
+      this.savedX = Math.min(this.savedX, newCols - 1);
+
+      this.scrollTop = 0;
+    }
+
+    this.scrollBottom = newRows - 1;
+
+    if (this._isReflowEnabled) {
+      this._reflow(newCols, newRows);
+
+      // Trim the end of the line off if cols shrunk
+      if (this._cols > newCols) {
+        for (let i = 0; i < this.lines.length; i++) {
+          // +boolean for fast 0 or 1 conversion
+          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);
+        }
+      }
+    }
+
+    this._cols = newCols;
+    this._rows = newRows;
+
+    this._memoryCleanupQueue.clear();
+    // schedule memory cleanup only, if more than 10% of the lines are affected
+    if (dirtyMemoryLines > 0.1 * this.lines.length) {
+      this._memoryCleanupPosition = 0;
+      this._memoryCleanupQueue.enqueue(() => this._batchedMemoryCleanup());
+    }
+  }
+
+  private _memoryCleanupQueue = new IdleTaskQueue();
+  private _memoryCleanupPosition = 0;
+
+  private _batchedMemoryCleanup(): boolean {
+    let normalRun = true;
+    if (this._memoryCleanupPosition >= this.lines.length) {
+      // cleanup made it once through all lines, thus rescan in loop below to also catch shifted
+      // lines, which should finish rather quick if there are no more cleanups pending
+      this._memoryCleanupPosition = 0;
+      normalRun = false;
+    }
+    let counted = 0;
+    while (this._memoryCleanupPosition < this.lines.length) {
+      counted += this.lines.get(this._memoryCleanupPosition++)!.cleanupMemory();
+      // cleanup max 100 lines per batch
+      if (counted > 100) {
+        return true;
+      }
+    }
+    // normal runs always need another rescan afterwards
+    // if we made it here with normalRun=false, we are in a final run
+    // and can end the cleanup task for sure
+    return normalRun;
+  }
+
+  private get _isReflowEnabled(): boolean {
+    const windowsPty = this._optionsService.rawOptions.windowsPty;
+    if (windowsPty && windowsPty.buildNumber) {
+      return this._hasScrollback && windowsPty.backend === 'conpty' && windowsPty.buildNumber >= 21376;
+    }
+    return this._hasScrollback && !this._optionsService.rawOptions.windowsMode;
+  }
+
+  private _reflow(newCols: number, newRows: number): void {
+    if (this._cols === newCols) {
+      return;
+    }
+
+    // Iterate through rows, ignore the last one as it cannot be wrapped
+    if (newCols > this._cols) {
+      this._reflowLarger(newCols, newRows);
+    } else {
+      this._reflowSmaller(newCols, newRows);
+    }
+  }
+
+  private _reflowLarger(newCols: number, newRows: number): void {
+    const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));
+    if (toRemove.length > 0) {
+      const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);
+      reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);
+      this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);
+    }
+  }
+
+  private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {
+    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
+    // Adjust viewport based on number of items removed
+    let viewportAdjustments = countRemoved;
+    while (viewportAdjustments-- > 0) {
+      if (this.ybase === 0) {
+        if (this.y > 0) {
+          this.y--;
+        }
+        if (this.lines.length < newRows) {
+          // Add an extra row at the bottom of the viewport
+          this.lines.push(new BufferLine(newCols, nullCell));
+        }
+      } else {
+        if (this.ydisp === this.ybase) {
+          this.ydisp--;
+        }
+        this.ybase--;
+      }
+    }
+    this.savedY = Math.max(this.savedY - countRemoved, 0);
+  }
+
+  private _reflowSmaller(newCols: number, newRows: number): void {
+    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
+    // Gather all BufferLines that need to be inserted into the Buffer here so that they can be
+    // batched up and only committed once
+    const toInsert = [];
+    let countToInsert = 0;
+    // Go backwards as many lines may be trimmed and this will avoid considering them
+    for (let y = this.lines.length - 1; y >= 0; y--) {
+      // Check whether this line is a problem
+      let nextLine = this.lines.get(y) as BufferLine;
+      if (!nextLine || !nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {
+        continue;
+      }
+
+      // Gather wrapped lines and adjust y to be the starting line
+      const wrappedLines: BufferLine[] = [nextLine];
+      while (nextLine.isWrapped && y > 0) {
+        nextLine = this.lines.get(--y) as BufferLine;
+        wrappedLines.unshift(nextLine);
+      }
+
+      // If these lines contain the cursor don't touch them, the program will handle fixing up
+      // wrapped lines with the cursor
+      const absoluteY = this.ybase + this.y;
+      if (absoluteY >= y && absoluteY < y + wrappedLines.length) {
+        continue;
+      }
+
+      const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();
+      const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);
+      const linesToAdd = destLineLengths.length - wrappedLines.length;
+      let trimmedLines: number;
+      if (this.ybase === 0 && this.y !== this.lines.length - 1) {
+        // If the top section of the buffer is not yet filled
+        trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);
+      } else {
+        trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);
+      }
+
+      // Add the new lines
+      const newLines: BufferLine[] = [];
+      for (let i = 0; i < linesToAdd; i++) {
+        const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;
+        newLines.push(newLine);
+      }
+      if (newLines.length > 0) {
+        toInsert.push({
+          // countToInsert here gets the actual index, taking into account other inserted items.
+          // using this we can iterate through the list forwards
+          start: y + wrappedLines.length + countToInsert,
+          newLines
+        });
+        countToInsert += newLines.length;
+      }
+      wrappedLines.push(...newLines);
+
+      // Copy buffer data to new locations, this needs to happen backwards to do in-place
+      let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);
+      let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;
+      if (destCol === 0) {
+        destLineIndex--;
+        destCol = destLineLengths[destLineIndex];
+      }
+      let srcLineIndex = wrappedLines.length - linesToAdd - 1;
+      let srcCol = lastLineLength;
+      while (srcLineIndex >= 0) {
+        const cellsToCopy = Math.min(srcCol, destCol);
+        if (wrappedLines[destLineIndex] === undefined) {
+          // Sanity check that the line exists, this has been known to fail for an unknown reason
+          // which would stop the reflow from happening if an exception would throw.
+          break;
+        }
+        wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);
+        destCol -= cellsToCopy;
+        if (destCol === 0) {
+          destLineIndex--;
+          destCol = destLineLengths[destLineIndex];
+        }
+        srcCol -= cellsToCopy;
+        if (srcCol === 0) {
+          srcLineIndex--;
+          const wrappedLinesIndex = Math.max(srcLineIndex, 0);
+          srcCol = getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);
+        }
+      }
+
+      // Null out the end of the line ends if a wide character wrapped to the following line
+      for (let i = 0; i < wrappedLines.length; i++) {
+        if (destLineLengths[i] < newCols) {
+          wrappedLines[i].setCell(destLineLengths[i], nullCell);
+        }
+      }
+
+      // Adjust viewport as needed
+      let viewportAdjustments = linesToAdd - trimmedLines;
+      while (viewportAdjustments-- > 0) {
+        if (this.ybase === 0) {
+          if (this.y < newRows - 1) {
+            this.y++;
+            this.lines.pop();
+          } else {
+            this.ybase++;
+            this.ydisp++;
+          }
+        } else {
+          // Ensure ybase does not exceed its maximum value
+          if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {
+            if (this.ybase === this.ydisp) {
+              this.ydisp++;
+            }
+            this.ybase++;
+          }
+        }
+      }
+      this.savedY = Math.min(this.savedY + linesToAdd, this.ybase + newRows - 1);
+    }
+
+    // Rearrange lines in the buffer if there are any insertions, this is done at the end rather
+    // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many
+    // costly calls to CircularList.splice.
+    if (toInsert.length > 0) {
+      // Record buffer insert events and then play them back backwards so that the indexes are
+      // correct
+      const insertEvents: IInsertEvent[] = [];
+
+      // Record original lines so they don't get overridden when we rearrange the list
+      const originalLines: BufferLine[] = [];
+      for (let i = 0; i < this.lines.length; i++) {
+        originalLines.push(this.lines.get(i) as BufferLine);
+      }
+      const originalLinesLength = this.lines.length;
+
+      let originalLineIndex = originalLinesLength - 1;
+      let nextToInsertIndex = 0;
+      let nextToInsert = toInsert[nextToInsertIndex];
+      this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);
+      let countInsertedSoFar = 0;
+      for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {
+        if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {
+          // Insert extra lines here, adjusting i as needed
+          for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {
+            this.lines.set(i--, nextToInsert.newLines[nextI]);
+          }
+          i++;
+
+          // Create insert events for later
+          insertEvents.push({
+            index: originalLineIndex + 1,
+            amount: nextToInsert.newLines.length
+          });
+
+          countInsertedSoFar += nextToInsert.newLines.length;
+          nextToInsert = toInsert[++nextToInsertIndex];
+        } else {
+          this.lines.set(i, originalLines[originalLineIndex--]);
+        }
+      }
+
+      // Update markers
+      let insertCountEmitted = 0;
+      for (let i = insertEvents.length - 1; i >= 0; i--) {
+        insertEvents[i].index += insertCountEmitted;
+        this.lines.onInsertEmitter.fire(insertEvents[i]);
+        insertCountEmitted += insertEvents[i].amount;
+      }
+      const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);
+      if (amountToTrim > 0) {
+        this.lines.onTrimEmitter.fire(amountToTrim);
+      }
+    }
+  }
+
+  /**
+   * Translates a buffer line to a string, with optional start and end columns.
+   * Wide characters will count as two columns in the resulting string. This
+   * function is useful for getting the actual text underneath the raw selection
+   * position.
+   * @param lineIndex The absolute index of the line being translated.
+   * @param trimRight Whether to trim whitespace to the right.
+   * @param startCol The column to start at.
+   * @param endCol The column to end at.
+   */
+  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {
+    const line = this.lines.get(lineIndex);
+    if (!line) {
+      return '';
+    }
+    return line.translateToString(trimRight, startCol, endCol);
+  }
+
+  public getWrappedRangeForLine(y: number): { first: number, last: number } {
+    let first = y;
+    let last = y;
+    // Scan upwards for wrapped lines
+    while (first > 0 && this.lines.get(first)!.isWrapped) {
+      first--;
+    }
+    // Scan downwards for wrapped lines
+    while (last + 1 < this.lines.length && this.lines.get(last + 1)!.isWrapped) {
+      last++;
+    }
+    return { first, last };
+  }
+
+  /**
+   * Setup the tab stops.
+   * @param i The index to start setting up tab stops from.
+   */
+  public setupTabStops(i?: number): void {
+    if (i !== null && i !== undefined) {
+      if (!this.tabs[i]) {
+        i = this.prevStop(i);
+      }
+    } else {
+      this.tabs = {};
+      i = 0;
+    }
+
+    for (; i < this._cols; i += this._optionsService.rawOptions.tabStopWidth) {
+      this.tabs[i] = true;
+    }
+  }
+
+  /**
+   * Move the cursor to the previous tab stop from the given position (default is current).
+   * @param x The position to move the cursor to the previous tab stop.
+   */
+  public prevStop(x?: number): number {
+    if (x === null || x === undefined) {
+      x = this.x;
+    }
+    while (!this.tabs[--x] && x > 0);
+    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
+  }
+
+  /**
+   * Move the cursor one tab stop forward from the given position (default is current).
+   * @param x The position to move the cursor one tab stop forward.
+   */
+  public nextStop(x?: number): number {
+    if (x === null || x === undefined) {
+      x = this.x;
+    }
+    while (!this.tabs[++x] && x < this._cols);
+    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
+  }
+
+  /**
+   * Clears markers on single line.
+   * @param y The line to clear.
+   */
+  public clearMarkers(y: number): void {
+    this._isClearing = true;
+    for (let i = 0; i < this.markers.length; i++) {
+      if (this.markers[i].line === y) {
+        this.markers[i].dispose();
+        this.markers.splice(i--, 1);
+      }
+    }
+    this._isClearing = false;
+  }
+
+  /**
+   * Clears markers on all lines
+   */
+  public clearAllMarkers(): void {
+    this._isClearing = true;
+    for (let i = 0; i < this.markers.length; i++) {
+      this.markers[i].dispose();
+      this.markers.splice(i--, 1);
+    }
+    this._isClearing = false;
+  }
+
+  public addMarker(y: number): Marker {
+    const marker = new Marker(y);
+    this.markers.push(marker);
+    marker.register(this.lines.onTrim(amount => {
+      marker.line -= amount;
+      // The marker should be disposed when the line is trimmed from the buffer
+      if (marker.line < 0) {
+        marker.dispose();
+      }
+    }));
+    marker.register(this.lines.onInsert(event => {
+      if (marker.line >= event.index) {
+        marker.line += event.amount;
+      }
+    }));
+    marker.register(this.lines.onDelete(event => {
+      // Delete the marker if it's within the range
+      if (marker.line >= event.index && marker.line < event.index + event.amount) {
+        marker.dispose();
+      }
+
+      // Shift the marker if it's after the deleted range
+      if (marker.line > event.index) {
+        marker.line -= event.amount;
+      }
+    }));
+    marker.register(marker.onDispose(() => this._removeMarker(marker)));
+    return marker;
+  }
+
+  private _removeMarker(marker: Marker): void {
+    if (!this._isClearing) {
+      this.markers.splice(this.markers.indexOf(marker), 1);
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferLine.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferLine.ts
new file mode 100644
index 000000000..ee3481a24
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferLine.ts
@@ -0,0 +1,551 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CharData, IAttributeData, IBufferLine, ICellData, IExtendedAttrs } from 'common/Types';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { CellData } from 'common/buffer/CellData';
+import { Attributes, BgFlags, CHAR_DATA_ATTR_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, Content, NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR } from 'common/buffer/Constants';
+import { stringFromCodePoint } from 'common/input/TextDecoder';
+
+/**
+ * buffer memory layout:
+ *
+ *   |             uint32_t             |        uint32_t         |        uint32_t         |
+ *   |             `content`            |          `FG`           |          `BG`           |
+ *   | wcwidth(2) comb(1) codepoint(21) | flags(8) R(8) G(8) B(8) | flags(8) R(8) G(8) B(8) |
+ */
+
+
+/** typed array slots taken by one cell */
+const CELL_SIZE = 3;
+
+/**
+ * Cell member indices.
+ *
+ * Direct access:
+ *    `content = data[column * CELL_SIZE + Cell.CONTENT];`
+ *    `fg = data[column * CELL_SIZE + Cell.FG];`
+ *    `bg = data[column * CELL_SIZE + Cell.BG];`
+ */
+const enum Cell {
+  CONTENT = 0,
+  FG = 1, // currently simply holds all known attrs
+  BG = 2  // currently unused
+}
+
+export const DEFAULT_ATTR_DATA = Object.freeze(new AttributeData());
+
+// Work variables to avoid garbage collection
+let $startIndex = 0;
+
+/** Factor when to cleanup underlying array buffer after shrinking. */
+const CLEANUP_THRESHOLD = 2;
+
+/**
+ * Typed array based bufferline implementation.
+ *
+ * There are 2 ways to insert data into the cell buffer:
+ * - `setCellFromCodepoint` + `addCodepointToCell`
+ *   Use these for data that is already UTF32.
+ *   Used during normal input in `InputHandler` for faster buffer access.
+ * - `setCell`
+ *   This method takes a CellData object and stores the data in the buffer.
+ *   Use `CellData.fromCharData` to create the CellData object (e.g. from JS string).
+ *
+ * To retrieve data from the buffer use either one of the primitive methods
+ * (if only one particular value is needed) or `loadCell`. For `loadCell` in a loop
+ * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.
+ */
+export class BufferLine implements IBufferLine {
+  protected _data: Uint32Array;
+  protected _combined: {[index: number]: string} = {};
+  protected _extendedAttrs: {[index: number]: IExtendedAttrs | undefined} = {};
+  public length: number;
+
+  constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {
+    this._data = new Uint32Array(cols * CELL_SIZE);
+    const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
+    for (let i = 0; i < cols; ++i) {
+      this.setCell(i, cell);
+    }
+    this.length = cols;
+  }
+
+  /**
+   * Get cell data CharData.
+   * @deprecated
+   */
+  public get(index: number): CharData {
+    const content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    const cp = content & Content.CODEPOINT_MASK;
+    return [
+      this._data[index * CELL_SIZE + Cell.FG],
+      (content & Content.IS_COMBINED_MASK)
+        ? this._combined[index]
+        : (cp) ? stringFromCodePoint(cp) : '',
+      content >> Content.WIDTH_SHIFT,
+      (content & Content.IS_COMBINED_MASK)
+        ? this._combined[index].charCodeAt(this._combined[index].length - 1)
+        : cp
+    ];
+  }
+
+  /**
+   * Set cell data from CharData.
+   * @deprecated
+   */
+  public set(index: number, value: CharData): void {
+    this._data[index * CELL_SIZE + Cell.FG] = value[CHAR_DATA_ATTR_INDEX];
+    if (value[CHAR_DATA_CHAR_INDEX].length > 1) {
+      this._combined[index] = value[1];
+      this._data[index * CELL_SIZE + Cell.CONTENT] = index | Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    } else {
+      this._data[index * CELL_SIZE + Cell.CONTENT] = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    }
+  }
+
+  /**
+   * primitive getters
+   * use these when only one value is needed, otherwise use `loadCell`
+   */
+  public getWidth(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT;
+  }
+
+  /** Test whether content has width. */
+  public hasWidth(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.WIDTH_MASK;
+  }
+
+  /** Get FG cell component. */
+  public getFg(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.FG];
+  }
+
+  /** Get BG cell component. */
+  public getBg(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.BG];
+  }
+
+  /**
+   * Test whether contains any chars.
+   * Basically an empty has no content, but other cells might differ in FG/BG
+   * from real empty cells.
+   */
+  public hasContent(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK;
+  }
+
+  /**
+   * Get codepoint of the cell.
+   * To be in line with `code` in CharData this either returns
+   * a single UTF32 codepoint or the last codepoint of a combined string.
+   */
+  public getCodePoint(index: number): number {
+    const content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    if (content & Content.IS_COMBINED_MASK) {
+      return this._combined[index].charCodeAt(this._combined[index].length - 1);
+    }
+    return content & Content.CODEPOINT_MASK;
+  }
+
+  /** Test whether the cell contains a combined string. */
+  public isCombined(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.IS_COMBINED_MASK;
+  }
+
+  /** Returns the string content of the cell. */
+  public getString(index: number): string {
+    const content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    if (content & Content.IS_COMBINED_MASK) {
+      return this._combined[index];
+    }
+    if (content & Content.CODEPOINT_MASK) {
+      return stringFromCodePoint(content & Content.CODEPOINT_MASK);
+    }
+    // return empty string for empty cells
+    return '';
+  }
+
+  /** Get state of protected flag. */
+  public isProtected(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.BG] & BgFlags.PROTECTED;
+  }
+
+  /**
+   * Load data at `index` into `cell`. This is used to access cells in a way that's more friendly
+   * to GC as it significantly reduced the amount of new objects/references needed.
+   */
+  public loadCell(index: number, cell: ICellData): ICellData {
+    $startIndex = index * CELL_SIZE;
+    cell.content = this._data[$startIndex + Cell.CONTENT];
+    cell.fg = this._data[$startIndex + Cell.FG];
+    cell.bg = this._data[$startIndex + Cell.BG];
+    if (cell.content & Content.IS_COMBINED_MASK) {
+      cell.combinedData = this._combined[index];
+    }
+    if (cell.bg & BgFlags.HAS_EXTENDED) {
+      cell.extended = this._extendedAttrs[index]!;
+    }
+    return cell;
+  }
+
+  /**
+   * Set data at `index` to `cell`.
+   */
+  public setCell(index: number, cell: ICellData): void {
+    if (cell.content & Content.IS_COMBINED_MASK) {
+      this._combined[index] = cell.combinedData;
+    }
+    if (cell.bg & BgFlags.HAS_EXTENDED) {
+      this._extendedAttrs[index] = cell.extended;
+    }
+    this._data[index * CELL_SIZE + Cell.CONTENT] = cell.content;
+    this._data[index * CELL_SIZE + Cell.FG] = cell.fg;
+    this._data[index * CELL_SIZE + Cell.BG] = cell.bg;
+  }
+
+  /**
+   * Set cell data from input handler.
+   * Since the input handler see the incoming chars as UTF32 codepoints,
+   * it gets an optimized access method.
+   */
+  public setCellFromCodepoint(index: number, codePoint: number, width: number, attrs: IAttributeData): void {
+    if (attrs.bg & BgFlags.HAS_EXTENDED) {
+      this._extendedAttrs[index] = attrs.extended;
+    }
+    this._data[index * CELL_SIZE + Cell.CONTENT] = codePoint | (width << Content.WIDTH_SHIFT);
+    this._data[index * CELL_SIZE + Cell.FG] = attrs.fg;
+    this._data[index * CELL_SIZE + Cell.BG] = attrs.bg;
+  }
+
+  /**
+   * Add a codepoint to a cell from input handler.
+   * During input stage combining chars with a width of 0 follow and stack
+   * onto a leading char. Since we already set the attrs
+   * by the previous `setDataFromCodePoint` call, we can omit it here.
+   */
+  public addCodepointToCell(index: number, codePoint: number, width: number): void {
+    let content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    if (content & Content.IS_COMBINED_MASK) {
+      // we already have a combined string, simply add
+      this._combined[index] += stringFromCodePoint(codePoint);
+    } else {
+      if (content & Content.CODEPOINT_MASK) {
+        // normal case for combining chars:
+        //  - move current leading char + new one into combined string
+        //  - set combined flag
+        this._combined[index] = stringFromCodePoint(content & Content.CODEPOINT_MASK) + stringFromCodePoint(codePoint);
+        content &= ~Content.CODEPOINT_MASK; // set codepoint in buffer to 0
+        content |= Content.IS_COMBINED_MASK;
+      } else {
+        // should not happen - we actually have no data in the cell yet
+        // simply set the data in the cell buffer with a width of 1
+        content = codePoint | (1 << Content.WIDTH_SHIFT);
+      }
+    }
+    if (width) {
+      content &= ~Content.WIDTH_MASK;
+      content |= width << Content.WIDTH_SHIFT;
+    }
+    this._data[index * CELL_SIZE + Cell.CONTENT] = content;
+  }
+
+  public insertCells(pos: number, n: number, fillCellData: ICellData): void {
+    pos %= this.length;
+
+    // handle fullwidth at pos: reset cell one to the left if pos is second cell of a wide char
+    if (pos && this.getWidth(pos - 1) === 2) {
+      this.setCellFromCodepoint(pos - 1, 0, 1, fillCellData);
+    }
+
+    if (n < this.length - pos) {
+      const cell = new CellData();
+      for (let i = this.length - pos - n - 1; i >= 0; --i) {
+        this.setCell(pos + n + i, this.loadCell(pos + i, cell));
+      }
+      for (let i = 0; i < n; ++i) {
+        this.setCell(pos + i, fillCellData);
+      }
+    } else {
+      for (let i = pos; i < this.length; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    }
+
+    // handle fullwidth at line end: reset last cell if it is first cell of a wide char
+    if (this.getWidth(this.length - 1) === 2) {
+      this.setCellFromCodepoint(this.length - 1, 0, 1, fillCellData);
+    }
+  }
+
+  public deleteCells(pos: number, n: number, fillCellData: ICellData): void {
+    pos %= this.length;
+    if (n < this.length - pos) {
+      const cell = new CellData();
+      for (let i = 0; i < this.length - pos - n; ++i) {
+        this.setCell(pos + i, this.loadCell(pos + n + i, cell));
+      }
+      for (let i = this.length - n; i < this.length; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    } else {
+      for (let i = pos; i < this.length; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    }
+
+    // handle fullwidth at pos:
+    // - reset pos-1 if wide char
+    // - reset pos if width==0 (previous second cell of a wide char)
+    if (pos && this.getWidth(pos - 1) === 2) {
+      this.setCellFromCodepoint(pos - 1, 0, 1, fillCellData);
+    }
+    if (this.getWidth(pos) === 0 && !this.hasContent(pos)) {
+      this.setCellFromCodepoint(pos, 0, 1, fillCellData);
+    }
+  }
+
+  public replaceCells(start: number, end: number, fillCellData: ICellData, respectProtect: boolean = false): void {
+    // full branching on respectProtect==true, hopefully getting fast JIT for standard case
+    if (respectProtect) {
+      if (start && this.getWidth(start - 1) === 2 && !this.isProtected(start - 1)) {
+        this.setCellFromCodepoint(start - 1, 0, 1, fillCellData);
+      }
+      if (end < this.length && this.getWidth(end - 1) === 2 && !this.isProtected(end)) {
+        this.setCellFromCodepoint(end, 0, 1, fillCellData);
+      }
+      while (start < end  && start < this.length) {
+        if (!this.isProtected(start)) {
+          this.setCell(start, fillCellData);
+        }
+        start++;
+      }
+      return;
+    }
+
+    // handle fullwidth at start: reset cell one to the left if start is second cell of a wide char
+    if (start && this.getWidth(start - 1) === 2) {
+      this.setCellFromCodepoint(start - 1, 0, 1, fillCellData);
+    }
+    // handle fullwidth at last cell + 1: reset to empty cell if it is second part of a wide char
+    if (end < this.length && this.getWidth(end - 1) === 2) {
+      this.setCellFromCodepoint(end, 0, 1, fillCellData);
+    }
+
+    while (start < end  && start < this.length) {
+      this.setCell(start++, fillCellData);
+    }
+  }
+
+  /**
+   * Resize BufferLine to `cols` filling excess cells with `fillCellData`.
+   * The underlying array buffer will not change if there is still enough space
+   * to hold the new buffer line data.
+   * Returns a boolean indicating, whether a `cleanupMemory` call would free
+   * excess memory (true after shrinking > CLEANUP_THRESHOLD).
+   */
+  public resize(cols: number, fillCellData: ICellData): boolean {
+    if (cols === this.length) {
+      return this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;
+    }
+    const uint32Cells = cols * CELL_SIZE;
+    if (cols > this.length) {
+      if (this._data.buffer.byteLength >= uint32Cells * 4) {
+        // optimization: avoid alloc and data copy if buffer has enough room
+        this._data = new Uint32Array(this._data.buffer, 0, uint32Cells);
+      } else {
+        // slow path: new alloc and full data copy
+        const data = new Uint32Array(uint32Cells);
+        data.set(this._data);
+        this._data = data;
+      }
+      for (let i = this.length; i < cols; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    } else {
+      // optimization: just shrink the view on existing buffer
+      this._data = this._data.subarray(0, uint32Cells);
+      // Remove any cut off combined data
+      const keys = Object.keys(this._combined);
+      for (let i = 0; i < keys.length; i++) {
+        const key = parseInt(keys[i], 10);
+        if (key >= cols) {
+          delete this._combined[key];
+        }
+      }
+      // remove any cut off extended attributes
+      const extKeys = Object.keys(this._extendedAttrs);
+      for (let i = 0; i < extKeys.length; i++) {
+        const key = parseInt(extKeys[i], 10);
+        if (key >= cols) {
+          delete this._extendedAttrs[key];
+        }
+      }
+    }
+    this.length = cols;
+    return uint32Cells * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;
+  }
+
+  /**
+   * Cleanup underlying array buffer.
+   * A cleanup will be triggered if the array buffer exceeds the actual used
+   * memory by a factor of CLEANUP_THRESHOLD.
+   * Returns 0 or 1 indicating whether a cleanup happened.
+   */
+  public cleanupMemory(): number {
+    if (this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength) {
+      const data = new Uint32Array(this._data.length);
+      data.set(this._data);
+      this._data = data;
+      return 1;
+    }
+    return 0;
+  }
+
+  /** fill a line with fillCharData */
+  public fill(fillCellData: ICellData, respectProtect: boolean = false): void {
+    // full branching on respectProtect==true, hopefully getting fast JIT for standard case
+    if (respectProtect) {
+      for (let i = 0; i < this.length; ++i) {
+        if (!this.isProtected(i)) {
+          this.setCell(i, fillCellData);
+        }
+      }
+      return;
+    }
+    this._combined = {};
+    this._extendedAttrs = {};
+    for (let i = 0; i < this.length; ++i) {
+      this.setCell(i, fillCellData);
+    }
+  }
+
+  /** alter to a full copy of line  */
+  public copyFrom(line: BufferLine): void {
+    if (this.length !== line.length) {
+      this._data = new Uint32Array(line._data);
+    } else {
+      // use high speed copy if lengths are equal
+      this._data.set(line._data);
+    }
+    this.length = line.length;
+    this._combined = {};
+    for (const el in line._combined) {
+      this._combined[el] = line._combined[el];
+    }
+    this._extendedAttrs = {};
+    for (const el in line._extendedAttrs) {
+      this._extendedAttrs[el] = line._extendedAttrs[el];
+    }
+    this.isWrapped = line.isWrapped;
+  }
+
+  /** create a new clone */
+  public clone(): IBufferLine {
+    const newLine = new BufferLine(0);
+    newLine._data = new Uint32Array(this._data);
+    newLine.length = this.length;
+    for (const el in this._combined) {
+      newLine._combined[el] = this._combined[el];
+    }
+    for (const el in this._extendedAttrs) {
+      newLine._extendedAttrs[el] = this._extendedAttrs[el];
+    }
+    newLine.isWrapped = this.isWrapped;
+    return newLine;
+  }
+
+  public getTrimmedLength(): number {
+    for (let i = this.length - 1; i >= 0; --i) {
+      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK)) {
+        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);
+      }
+    }
+    return 0;
+  }
+
+  public getNoBgTrimmedLength(): number {
+    for (let i = this.length - 1; i >= 0; --i) {
+      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK) || (this._data[i * CELL_SIZE + Cell.BG] & Attributes.CM_MASK)) {
+        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);
+      }
+    }
+    return 0;
+  }
+
+  public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {
+    const srcData = src._data;
+    if (applyInReverse) {
+      for (let cell = length - 1; cell >= 0; cell--) {
+        for (let i = 0; i < CELL_SIZE; i++) {
+          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
+        }
+        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {
+          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];
+        }
+      }
+    } else {
+      for (let cell = 0; cell < length; cell++) {
+        for (let i = 0; i < CELL_SIZE; i++) {
+          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
+        }
+        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {
+          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];
+        }
+      }
+    }
+
+    // Move any combined data over as needed, FIXME: repeat for extended attrs
+    const srcCombinedKeys = Object.keys(src._combined);
+    for (let i = 0; i < srcCombinedKeys.length; i++) {
+      const key = parseInt(srcCombinedKeys[i], 10);
+      if (key >= srcCol) {
+        this._combined[key - srcCol + destCol] = src._combined[key];
+      }
+    }
+  }
+
+  /**
+   * Translates the buffer line to a string.
+   *
+   * @param trimRight Whether to trim any empty cells on the right.
+   * @param startCol The column to start the string (0-based inclusive).
+   * @param endCol The column to end the string (0-based exclusive).
+   * @param outColumns if specified, this array will be filled with column numbers such that
+   * `returnedString[i]` is displayed at `outColumns[i]` column. `outColumns[returnedString.length]`
+   * is where the character following `returnedString` will be displayed.
+   *
+   * When a single cell is translated to multiple UTF-16 code units (e.g. surrogate pair) in the
+   * returned string, the corresponding entries in `outColumns` will have the same column number.
+   */
+  public translateToString(trimRight?: boolean, startCol?: number, endCol?: number, outColumns?: number[]): string {
+    startCol = startCol ?? 0;
+    endCol = endCol ?? this.length;
+    if (trimRight) {
+      endCol = Math.min(endCol, this.getTrimmedLength());
+    }
+    if (outColumns) {
+      outColumns.length = 0;
+    }
+    let result = '';
+    while (startCol < endCol) {
+      const content = this._data[startCol * CELL_SIZE + Cell.CONTENT];
+      const cp = content & Content.CODEPOINT_MASK;
+      const chars = (content & Content.IS_COMBINED_MASK) ? this._combined[startCol] : (cp) ? stringFromCodePoint(cp) : WHITESPACE_CELL_CHAR;
+      result += chars;
+      if (outColumns) {
+        for (let i = 0; i < chars.length; ++i) {
+          outColumns.push(startCol);
+        }
+      }
+      startCol += (content >> Content.WIDTH_SHIFT) || 1; // always advance by at least 1
+    }
+    if (outColumns) {
+      outColumns.push(startCol);
+    }
+    return result;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferRange.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferRange.ts
new file mode 100644
index 000000000..aa7ee4050
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferRange.ts
@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferRange } from '@xterm/xterm';
+
+export function getRangeLength(range: IBufferRange, bufferCols: number): number {
+  if (range.start.y > range.end.y) {
+    throw new Error(`Buffer range end (${range.end.x}, ${range.end.y}) cannot be before start (${range.start.x}, ${range.start.y})`);
+  }
+  return bufferCols * (range.end.y - range.start.y) + (range.end.x - range.start.x + 1);
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferReflow.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferReflow.ts
new file mode 100644
index 000000000..af1c64738
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferReflow.ts
@@ -0,0 +1,223 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { BufferLine } from 'common/buffer/BufferLine';
+import { CircularList } from 'common/CircularList';
+import { IBufferLine, ICellData } from 'common/Types';
+
+export interface INewLayoutResult {
+  layout: number[];
+  countRemoved: number;
+}
+
+/**
+ * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed
+ * when a wrapped line unwraps.
+ * @param lines The buffer lines.
+ * @param oldCols The columns before resize
+ * @param newCols The columns after resize.
+ * @param bufferAbsoluteY The absolute y position of the cursor (baseY + cursorY).
+ * @param nullCell The cell data to use when filling in empty cells.
+ */
+export function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, oldCols: number, newCols: number, bufferAbsoluteY: number, nullCell: ICellData): number[] {
+  // Gather all BufferLines that need to be removed from the Buffer here so that they can be
+  // batched up and only committed once
+  const toRemove: number[] = [];
+
+  for (let y = 0; y < lines.length - 1; y++) {
+    // Check if this row is wrapped
+    let i = y;
+    let nextLine = lines.get(++i) as BufferLine;
+    if (!nextLine.isWrapped) {
+      continue;
+    }
+
+    // Check how many lines it's wrapped for
+    const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];
+    while (i < lines.length && nextLine.isWrapped) {
+      wrappedLines.push(nextLine);
+      nextLine = lines.get(++i) as BufferLine;
+    }
+
+    // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped
+    // lines with the cursor
+    if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {
+      y += wrappedLines.length - 1;
+      continue;
+    }
+
+    // Copy buffer data to new locations
+    let destLineIndex = 0;
+    let destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);
+    let srcLineIndex = 1;
+    let srcCol = 0;
+    while (srcLineIndex < wrappedLines.length) {
+      const srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);
+      const srcRemainingCells = srcTrimmedTineLength - srcCol;
+      const destRemainingCells = newCols - destCol;
+      const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);
+
+      wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);
+
+      destCol += cellsToCopy;
+      if (destCol === newCols) {
+        destLineIndex++;
+        destCol = 0;
+      }
+      srcCol += cellsToCopy;
+      if (srcCol === srcTrimmedTineLength) {
+        srcLineIndex++;
+        srcCol = 0;
+      }
+
+      // Make sure the last cell isn't wide, if it is copy it to the current dest
+      if (destCol === 0 && destLineIndex !== 0) {
+        if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {
+          wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);
+          // Null out the end of the last row
+          wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);
+        }
+      }
+    }
+
+    // Clear out remaining cells or fragments could remain;
+    wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);
+
+    // Work backwards and remove any rows at the end that only contain null cells
+    let countToRemove = 0;
+    for (let i = wrappedLines.length - 1; i > 0; i--) {
+      if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {
+        countToRemove++;
+      } else {
+        break;
+      }
+    }
+
+    if (countToRemove > 0) {
+      toRemove.push(y + wrappedLines.length - countToRemove); // index
+      toRemove.push(countToRemove);
+    }
+
+    y += wrappedLines.length - 1;
+  }
+  return toRemove;
+}
+
+/**
+ * Creates and return the new layout for lines given an array of indexes to be removed.
+ * @param lines The buffer lines.
+ * @param toRemove The indexes to remove.
+ */
+export function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {
+  const layout: number[] = [];
+  // First iterate through the list and get the actual indexes to use for rows
+  let nextToRemoveIndex = 0;
+  let nextToRemoveStart = toRemove[nextToRemoveIndex];
+  let countRemovedSoFar = 0;
+  for (let i = 0; i < lines.length; i++) {
+    if (nextToRemoveStart === i) {
+      const countToRemove = toRemove[++nextToRemoveIndex];
+
+      // Tell markers that there was a deletion
+      lines.onDeleteEmitter.fire({
+        index: i - countRemovedSoFar,
+        amount: countToRemove
+      });
+
+      i += countToRemove - 1;
+      countRemovedSoFar += countToRemove;
+      nextToRemoveStart = toRemove[++nextToRemoveIndex];
+    } else {
+      layout.push(i);
+    }
+  }
+  return {
+    layout,
+    countRemoved: countRemovedSoFar
+  };
+}
+
+/**
+ * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's
+ * done all at once in a single iteration through the list since splice is very expensive.
+ * @param lines The buffer lines.
+ * @param newLayout The new layout to apply.
+ */
+export function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {
+  // Record original lines so they don't get overridden when we rearrange the list
+  const newLayoutLines: BufferLine[] = [];
+  for (let i = 0; i < newLayout.length; i++) {
+    newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);
+  }
+
+  // Rearrange the list
+  for (let i = 0; i < newLayoutLines.length; i++) {
+    lines.set(i, newLayoutLines[i]);
+  }
+  lines.length = newLayout.length;
+}
+
+/**
+ * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-
+ * compute the wrapping points since wide characters may need to be wrapped onto the following line.
+ * This function will return an array of numbers of where each line wraps to, the resulting array
+ * will only contain the values `newCols` (when the line does not end with a wide character) and
+ * `newCols - 1` (when the line does end with a wide character), except for the last value which
+ * will contain the remaining items to fill the line.
+ *
+ * Calling this with a `newCols` value of `1` will lock up.
+ *
+ * @param wrappedLines The wrapped lines to evaluate.
+ * @param oldCols The columns before resize.
+ * @param newCols The columns after resize.
+ */
+export function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {
+  const newLineLengths: number[] = [];
+  const cellsNeeded = wrappedLines.map((l, i) => getWrappedLineTrimmedLength(wrappedLines, i, oldCols)).reduce((p, c) => p + c);
+
+  // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and
+  // linesNeeded
+  let srcCol = 0;
+  let srcLine = 0;
+  let cellsAvailable = 0;
+  while (cellsAvailable < cellsNeeded) {
+    if (cellsNeeded - cellsAvailable < newCols) {
+      // Add the final line and exit the loop
+      newLineLengths.push(cellsNeeded - cellsAvailable);
+      break;
+    }
+    srcCol += newCols;
+    const oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);
+    if (srcCol > oldTrimmedLength) {
+      srcCol -= oldTrimmedLength;
+      srcLine++;
+    }
+    const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;
+    if (endsWithWide) {
+      srcCol--;
+    }
+    const lineLength = endsWithWide ? newCols - 1 : newCols;
+    newLineLengths.push(lineLength);
+    cellsAvailable += lineLength;
+  }
+
+  return newLineLengths;
+}
+
+export function getWrappedLineTrimmedLength(lines: BufferLine[], i: number, cols: number): number {
+  // If this is the last row in the wrapped line, get the actual trimmed length
+  if (i === lines.length - 1) {
+    return lines[i].getTrimmedLength();
+  }
+  // Detect whether the following line starts with a wide character and the end of the current line
+  // is null, if so then we can be pretty sure the null character should be excluded from the line
+  // length]
+  const endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;
+  const followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;
+  if (endsInNull && followingLineStartsWithWide) {
+    return cols - 1;
+  }
+  return cols;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferSet.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferSet.ts
new file mode 100644
index 000000000..61165fa1a
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/BufferSet.ts
@@ -0,0 +1,134 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IAttributeData } from 'common/Types';
+import { Buffer } from 'common/buffer/Buffer';
+import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+/**
+ * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and
+ * provides also utilities for working with them.
+ */
+export class BufferSet extends Disposable implements IBufferSet {
+  private _normal!: Buffer;
+  private _alt!: Buffer;
+  private _activeBuffer!: Buffer;
+
+  private readonly _onBufferActivate = this.register(new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>());
+  public readonly onBufferActivate = this._onBufferActivate.event;
+
+  /**
+   * Create a new BufferSet for the given terminal.
+   */
+  constructor(
+    private readonly _optionsService: IOptionsService,
+    private readonly _bufferService: IBufferService
+  ) {
+    super();
+    this.reset();
+    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.resize(this._bufferService.cols, this._bufferService.rows)));
+    this.register(this._optionsService.onSpecificOptionChange('tabStopWidth', () => this.setupTabStops()));
+  }
+
+  public reset(): void {
+    this._normal = new Buffer(true, this._optionsService, this._bufferService);
+    this._normal.fillViewportRows();
+
+    // The alt buffer should never have scrollback.
+    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer
+    this._alt = new Buffer(false, this._optionsService, this._bufferService);
+    this._activeBuffer = this._normal;
+    this._onBufferActivate.fire({
+      activeBuffer: this._normal,
+      inactiveBuffer: this._alt
+    });
+
+    this.setupTabStops();
+  }
+
+  /**
+   * Returns the alt Buffer of the BufferSet
+   */
+  public get alt(): Buffer {
+    return this._alt;
+  }
+
+  /**
+   * Returns the currently active Buffer of the BufferSet
+   */
+  public get active(): Buffer {
+    return this._activeBuffer;
+  }
+
+  /**
+   * Returns the normal Buffer of the BufferSet
+   */
+  public get normal(): Buffer {
+    return this._normal;
+  }
+
+  /**
+   * Sets the normal Buffer of the BufferSet as its currently active Buffer
+   */
+  public activateNormalBuffer(): void {
+    if (this._activeBuffer === this._normal) {
+      return;
+    }
+    this._normal.x = this._alt.x;
+    this._normal.y = this._alt.y;
+    // The alt buffer should always be cleared when we switch to the normal
+    // buffer. This frees up memory since the alt buffer should always be new
+    // when activated.
+    this._alt.clearAllMarkers();
+    this._alt.clear();
+    this._activeBuffer = this._normal;
+    this._onBufferActivate.fire({
+      activeBuffer: this._normal,
+      inactiveBuffer: this._alt
+    });
+  }
+
+  /**
+   * Sets the alt Buffer of the BufferSet as its currently active Buffer
+   */
+  public activateAltBuffer(fillAttr?: IAttributeData): void {
+    if (this._activeBuffer === this._alt) {
+      return;
+    }
+    // Since the alt buffer is always cleared when the normal buffer is
+    // activated, we want to fill it when switching to it.
+    this._alt.fillViewportRows(fillAttr);
+    this._alt.x = this._normal.x;
+    this._alt.y = this._normal.y;
+    this._activeBuffer = this._alt;
+    this._onBufferActivate.fire({
+      activeBuffer: this._alt,
+      inactiveBuffer: this._normal
+    });
+  }
+
+  /**
+   * Resizes both normal and alt buffers, adjusting their data accordingly.
+   * @param newCols The new number of columns.
+   * @param newRows The new number of rows.
+   */
+  public resize(newCols: number, newRows: number): void {
+    this._normal.resize(newCols, newRows);
+    this._alt.resize(newCols, newRows);
+    this.setupTabStops(newCols);
+  }
+
+  /**
+   * Setup the tab stops.
+   * @param i The index to start setting up tab stops from.
+   */
+  public setupTabStops(i?: number): void {
+    this._normal.setupTabStops(i);
+    this._alt.setupTabStops(i);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/CellData.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/CellData.ts
new file mode 100644
index 000000000..9454c553c
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/CellData.ts
@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CharData, ICellData, IExtendedAttrs } from 'common/Types';
+import { stringFromCodePoint } from 'common/input/TextDecoder';
+import { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_ATTR_INDEX, Content } from 'common/buffer/Constants';
+import { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';
+
+/**
+ * CellData - represents a single Cell in the terminal buffer.
+ */
+export class CellData extends AttributeData implements ICellData {
+  /** Helper to create CellData from CharData. */
+  public static fromCharData(value: CharData): CellData {
+    const obj = new CellData();
+    obj.setFromCharData(value);
+    return obj;
+  }
+  /** Primitives from terminal buffer. */
+  public content = 0;
+  public fg = 0;
+  public bg = 0;
+  public extended: IExtendedAttrs = new ExtendedAttrs();
+  public combinedData = '';
+  /** Whether cell contains a combined string. */
+  public isCombined(): number {
+    return this.content & Content.IS_COMBINED_MASK;
+  }
+  /** Width of the cell. */
+  public getWidth(): number {
+    return this.content >> Content.WIDTH_SHIFT;
+  }
+  /** JS string of the content. */
+  public getChars(): string {
+    if (this.content & Content.IS_COMBINED_MASK) {
+      return this.combinedData;
+    }
+    if (this.content & Content.CODEPOINT_MASK) {
+      return stringFromCodePoint(this.content & Content.CODEPOINT_MASK);
+    }
+    return '';
+  }
+  /**
+   * Codepoint of cell
+   * Note this returns the UTF32 codepoint of single chars,
+   * if content is a combined string it returns the codepoint
+   * of the last char in string to be in line with code in CharData.
+   */
+  public getCode(): number {
+    return (this.isCombined())
+      ? this.combinedData.charCodeAt(this.combinedData.length - 1)
+      : this.content & Content.CODEPOINT_MASK;
+  }
+  /** Set data from CharData */
+  public setFromCharData(value: CharData): void {
+    this.fg = value[CHAR_DATA_ATTR_INDEX];
+    this.bg = 0;
+    let combined = false;
+    // surrogates and combined strings need special treatment
+    if (value[CHAR_DATA_CHAR_INDEX].length > 2) {
+      combined = true;
+    }
+    else if (value[CHAR_DATA_CHAR_INDEX].length === 2) {
+      const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0);
+      // if the 2-char string is a surrogate create single codepoint
+      // everything else is combined
+      if (0xD800 <= code && code <= 0xDBFF) {
+        const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1);
+        if (0xDC00 <= second && second <= 0xDFFF) {
+          this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+        }
+        else {
+          combined = true;
+        }
+      }
+      else {
+        combined = true;
+      }
+    }
+    else {
+      this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    }
+    if (combined) {
+      this.combinedData = value[CHAR_DATA_CHAR_INDEX];
+      this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    }
+  }
+  /** Get data as CharData. */
+  public getAsCharData(): CharData {
+    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/Constants.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/Constants.ts
new file mode 100644
index 000000000..5ce075cf7
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/Constants.ts
@@ -0,0 +1,157 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export const DEFAULT_COLOR = 0;
+export const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);
+export const DEFAULT_EXT = 0;
+
+export const CHAR_DATA_ATTR_INDEX = 0;
+export const CHAR_DATA_CHAR_INDEX = 1;
+export const CHAR_DATA_WIDTH_INDEX = 2;
+export const CHAR_DATA_CODE_INDEX = 3;
+
+/**
+ * Null cell - a real empty cell (containing nothing).
+ * Note that code should always be 0 for a null cell as
+ * several test condition of the buffer line rely on this.
+ */
+export const NULL_CELL_CHAR = '';
+export const NULL_CELL_WIDTH = 1;
+export const NULL_CELL_CODE = 0;
+
+/**
+ * Whitespace cell.
+ * This is meant as a replacement for empty cells when needed
+ * during rendering lines to preserve correct aligment.
+ */
+export const WHITESPACE_CELL_CHAR = ' ';
+export const WHITESPACE_CELL_WIDTH = 1;
+export const WHITESPACE_CELL_CODE = 32;
+
+/**
+ * Bitmasks for accessing data in `content`.
+ */
+export const enum Content {
+  /**
+   * bit 1..21    codepoint, max allowed in UTF32 is 0x10FFFF (21 bits taken)
+   *              read:   `codepoint = content & Content.codepointMask;`
+   *              write:  `content |= codepoint & Content.codepointMask;`
+   *                      shortcut if precondition `codepoint <= 0x10FFFF` is met:
+   *                      `content |= codepoint;`
+   */
+  CODEPOINT_MASK = 0x1FFFFF,
+
+  /**
+   * bit 22       flag indication whether a cell contains combined content
+   *              read:   `isCombined = content & Content.isCombined;`
+   *              set:    `content |= Content.isCombined;`
+   *              clear:  `content &= ~Content.isCombined;`
+   */
+  IS_COMBINED_MASK = 0x200000,  // 1 << 21
+
+  /**
+   * bit 1..22    mask to check whether a cell contains any string data
+   *              we need to check for codepoint and isCombined bits to see
+   *              whether a cell contains anything
+   *              read:   `isEmpty = !(content & Content.hasContent)`
+   */
+  HAS_CONTENT_MASK = 0x3FFFFF,
+
+  /**
+   * bit 23..24   wcwidth value of cell, takes 2 bits (ranges from 0..2)
+   *              read:   `width = (content & Content.widthMask) >> Content.widthShift;`
+   *                      `hasWidth = content & Content.widthMask;`
+   *                      as long as wcwidth is highest value in `content`:
+   *                      `width = content >> Content.widthShift;`
+   *              write:  `content |= (width << Content.widthShift) & Content.widthMask;`
+   *                      shortcut if precondition `0 <= width <= 3` is met:
+   *                      `content |= width << Content.widthShift;`
+   */
+  WIDTH_MASK = 0xC00000,   // 3 << 22
+  WIDTH_SHIFT = 22
+}
+
+export const enum Attributes {
+  /**
+   * bit 1..8     blue in RGB, color in P256 and P16
+   */
+  BLUE_MASK = 0xFF,
+  BLUE_SHIFT = 0,
+  PCOLOR_MASK = 0xFF,
+  PCOLOR_SHIFT = 0,
+
+  /**
+   * bit 9..16    green in RGB
+   */
+  GREEN_MASK = 0xFF00,
+  GREEN_SHIFT = 8,
+
+  /**
+   * bit 17..24   red in RGB
+   */
+  RED_MASK = 0xFF0000,
+  RED_SHIFT = 16,
+
+  /**
+   * bit 25..26   color mode: DEFAULT (0) | P16 (1) | P256 (2) | RGB (3)
+   */
+  CM_MASK = 0x3000000,
+  CM_DEFAULT = 0,
+  CM_P16 = 0x1000000,
+  CM_P256 = 0x2000000,
+  CM_RGB = 0x3000000,
+
+  /**
+   * bit 1..24  RGB room
+   */
+  RGB_MASK = 0xFFFFFF
+}
+
+export const enum FgFlags {
+  /**
+   * bit 27..32
+   */
+  INVERSE = 0x4000000,
+  BOLD = 0x8000000,
+  UNDERLINE = 0x10000000,
+  BLINK = 0x20000000,
+  INVISIBLE = 0x40000000,
+  STRIKETHROUGH = 0x80000000,
+}
+
+export const enum BgFlags {
+  /**
+   * bit 27..32 (upper 2 unused)
+   */
+  ITALIC = 0x4000000,
+  DIM = 0x8000000,
+  HAS_EXTENDED = 0x10000000,
+  PROTECTED = 0x20000000,
+  OVERLINE = 0x40000000
+}
+
+export const enum ExtFlags {
+  /**
+   * bit 27..29
+   */
+  UNDERLINE_STYLE = 0x1C000000,
+
+  /**
+   * bit 30..32
+   *
+   * An optional variant for the glyph, this can be used for example to offset underlines by a
+   * number of pixels to create a perfect pattern.
+   */
+  VARIANT_OFFSET = 0xE0000000
+}
+
+export const enum UnderlineStyle {
+  NONE = 0,
+  SINGLE = 1,
+  DOUBLE = 2,
+  CURLY = 3,
+  DOTTED = 4,
+  DASHED = 5
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/Marker.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/Marker.ts
new file mode 100644
index 000000000..96df6366c
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/Marker.ts
@@ -0,0 +1,43 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { disposeArray } from 'common/Lifecycle';
+import { IDisposable, IMarker } from 'common/Types';
+
+export class Marker implements IMarker {
+  private static _nextId = 1;
+
+  public isDisposed: boolean = false;
+  private readonly _disposables: IDisposable[] = [];
+
+  private readonly _id: number = Marker._nextId++;
+  public get id(): number { return this._id; }
+
+  private readonly _onDispose = this.register(new EventEmitter<void>());
+  public readonly onDispose = this._onDispose.event;
+
+  constructor(
+    public line: number
+  ) {
+  }
+
+  public dispose(): void {
+    if (this.isDisposed) {
+      return;
+    }
+    this.isDisposed = true;
+    this.line = -1;
+    // Emit before super.dispose such that dispose listeners get a change to react
+    this._onDispose.fire();
+    disposeArray(this._disposables);
+    this._disposables.length = 0;
+  }
+
+  public register<T extends IDisposable>(disposable: T): T {
+    this._disposables.push(disposable);
+    return disposable;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/buffer/Types.d.ts b/web/public/node_modules/@xterm/xterm/src/common/buffer/Types.d.ts
new file mode 100644
index 000000000..78f01d55d
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/buffer/Types.d.ts
@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IAttributeData, ICircularList, IBufferLine, ICellData, IMarker, ICharset, IDisposable } from 'common/Types';
+import { IEvent } from 'common/EventEmitter';
+
+// BufferIndex denotes a position in the buffer: [rowIndex, colIndex]
+export type BufferIndex = [number, number];
+
+export interface IBuffer {
+  readonly lines: ICircularList<IBufferLine>;
+  ydisp: number;
+  ybase: number;
+  y: number;
+  x: number;
+  tabs: any;
+  scrollBottom: number;
+  scrollTop: number;
+  hasScrollback: boolean;
+  savedY: number;
+  savedX: number;
+  savedCharset: ICharset | undefined;
+  savedCurAttrData: IAttributeData;
+  isCursorInViewport: boolean;
+  markers: IMarker[];
+  translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol?: number, endCol?: number): string;
+  getWrappedRangeForLine(y: number): { first: number, last: number };
+  nextStop(x?: number): number;
+  prevStop(x?: number): number;
+  getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine;
+  getNullCell(attr?: IAttributeData): ICellData;
+  getWhitespaceCell(attr?: IAttributeData): ICellData;
+  addMarker(y: number): IMarker;
+  clearMarkers(y: number): void;
+  clearAllMarkers(): void;
+}
+
+export interface IBufferSet extends IDisposable {
+  alt: IBuffer;
+  normal: IBuffer;
+  active: IBuffer;
+
+  onBufferActivate: IEvent<{ activeBuffer: IBuffer, inactiveBuffer: IBuffer }>;
+
+  activateNormalBuffer(): void;
+  activateAltBuffer(fillAttr?: IAttributeData): void;
+  reset(): void;
+  resize(newCols: number, newRows: number): void;
+  setupTabStops(i?: number): void;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/input/Keyboard.ts b/web/public/node_modules/@xterm/xterm/src/common/input/Keyboard.ts
new file mode 100644
index 000000000..b86eeac46
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/input/Keyboard.ts
@@ -0,0 +1,397 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ */
+
+import { IKeyboardEvent, IKeyboardResult, KeyboardResultType } from 'common/Types';
+import { C0 } from 'common/data/EscapeSequences';
+
+// reg + shift key mappings for digits and special chars
+const KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {
+  // digits 0-9
+  48: ['0', ')'],
+  49: ['1', '!'],
+  50: ['2', '@'],
+  51: ['3', '#'],
+  52: ['4', '$'],
+  53: ['5', '%'],
+  54: ['6', '^'],
+  55: ['7', '&'],
+  56: ['8', '*'],
+  57: ['9', '('],
+
+  // special chars
+  186: [';', ':'],
+  187: ['=', '+'],
+  188: [',', '<'],
+  189: ['-', '_'],
+  190: ['.', '>'],
+  191: ['/', '?'],
+  192: ['`', '~'],
+  219: ['[', '{'],
+  220: ['\\', '|'],
+  221: [']', '}'],
+  222: ['\'', '"']
+};
+
+export function evaluateKeyboardEvent(
+  ev: IKeyboardEvent,
+  applicationCursorMode: boolean,
+  isMac: boolean,
+  macOptionIsMeta: boolean
+): IKeyboardResult {
+  const result: IKeyboardResult = {
+    type: KeyboardResultType.SEND_KEY,
+    // Whether to cancel event propagation (NOTE: this may not be needed since the event is
+    // canceled at the end of keyDown
+    cancel: false,
+    // The new key even to emit
+    key: undefined
+  };
+  const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);
+  switch (ev.keyCode) {
+    case 0:
+      if (ev.key === 'UIKeyInputUpArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OA';
+        } else {
+          result.key = C0.ESC + '[A';
+        }
+      }
+      else if (ev.key === 'UIKeyInputLeftArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OD';
+        } else {
+          result.key = C0.ESC + '[D';
+        }
+      }
+      else if (ev.key === 'UIKeyInputRightArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OC';
+        } else {
+          result.key = C0.ESC + '[C';
+        }
+      }
+      else if (ev.key === 'UIKeyInputDownArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OB';
+        } else {
+          result.key = C0.ESC + '[B';
+        }
+      }
+      break;
+    case 8:
+      // backspace
+      result.key = ev.ctrlKey ? '\b' : C0.DEL; // ^H or ^?
+      if (ev.altKey) {
+        result.key = C0.ESC + result.key;
+      }
+      break;
+    case 9:
+      // tab
+      if (ev.shiftKey) {
+        result.key = C0.ESC + '[Z';
+        break;
+      }
+      result.key = C0.HT;
+      result.cancel = true;
+      break;
+    case 13:
+      // return/enter
+      result.key = ev.altKey ? C0.ESC + C0.CR : C0.CR;
+      result.cancel = true;
+      break;
+    case 27:
+      // escape
+      result.key = C0.ESC;
+      if (ev.altKey) {
+        result.key = C0.ESC + C0.ESC;
+      }
+      result.cancel = true;
+      break;
+    case 37:
+      // left-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';
+        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (result.key === C0.ESC + '[1;3D') {
+          result.key = C0.ESC + (isMac ? 'b' : '[1;5D');
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OD';
+      } else {
+        result.key = C0.ESC + '[D';
+      }
+      break;
+    case 39:
+      // right-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';
+        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (result.key === C0.ESC + '[1;3C') {
+          result.key = C0.ESC + (isMac ? 'f' : '[1;5C');
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OC';
+      } else {
+        result.key = C0.ESC + '[C';
+      }
+      break;
+    case 38:
+      // up-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';
+        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (!isMac && result.key === C0.ESC + '[1;3A') {
+          result.key = C0.ESC + '[1;5A';
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OA';
+      } else {
+        result.key = C0.ESC + '[A';
+      }
+      break;
+    case 40:
+      // down-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';
+        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (!isMac && result.key === C0.ESC + '[1;3B') {
+          result.key = C0.ESC + '[1;5B';
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OB';
+      } else {
+        result.key = C0.ESC + '[B';
+      }
+      break;
+    case 45:
+      // insert
+      if (!ev.shiftKey && !ev.ctrlKey) {
+        // <Ctrl> or <Shift> + <Insert> are used to
+        // copy-paste on some systems.
+        result.key = C0.ESC + '[2~';
+      }
+      break;
+    case 46:
+      // delete
+      if (modifiers) {
+        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[3~';
+      }
+      break;
+    case 36:
+      // home
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OH';
+      } else {
+        result.key = C0.ESC + '[H';
+      }
+      break;
+    case 35:
+      // end
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OF';
+      } else {
+        result.key = C0.ESC + '[F';
+      }
+      break;
+    case 33:
+      // page up
+      if (ev.shiftKey) {
+        result.type = KeyboardResultType.PAGE_UP;
+      } else if (ev.ctrlKey) {
+        result.key = C0.ESC + '[5;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[5~';
+      }
+      break;
+    case 34:
+      // page down
+      if (ev.shiftKey) {
+        result.type = KeyboardResultType.PAGE_DOWN;
+      } else if (ev.ctrlKey) {
+        result.key = C0.ESC + '[6;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[6~';
+      }
+      break;
+    case 112:
+      // F1-F12
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';
+      } else {
+        result.key = C0.ESC + 'OP';
+      }
+      break;
+    case 113:
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';
+      } else {
+        result.key = C0.ESC + 'OQ';
+      }
+      break;
+    case 114:
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';
+      } else {
+        result.key = C0.ESC + 'OR';
+      }
+      break;
+    case 115:
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';
+      } else {
+        result.key = C0.ESC + 'OS';
+      }
+      break;
+    case 116:
+      if (modifiers) {
+        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[15~';
+      }
+      break;
+    case 117:
+      if (modifiers) {
+        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[17~';
+      }
+      break;
+    case 118:
+      if (modifiers) {
+        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[18~';
+      }
+      break;
+    case 119:
+      if (modifiers) {
+        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[19~';
+      }
+      break;
+    case 120:
+      if (modifiers) {
+        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[20~';
+      }
+      break;
+    case 121:
+      if (modifiers) {
+        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[21~';
+      }
+      break;
+    case 122:
+      if (modifiers) {
+        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[23~';
+      }
+      break;
+    case 123:
+      if (modifiers) {
+        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[24~';
+      }
+      break;
+    default:
+      // a-z and space
+      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
+        if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+          result.key = String.fromCharCode(ev.keyCode - 64);
+        } else if (ev.keyCode === 32) {
+          result.key = C0.NUL;
+        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
+          // escape, file sep, group sep, record sep, unit sep
+          result.key = String.fromCharCode(ev.keyCode - 51 + 27);
+        } else if (ev.keyCode === 56) {
+          result.key = C0.DEL;
+        } else if (ev.keyCode === 219) {
+          result.key = C0.ESC;
+        } else if (ev.keyCode === 220) {
+          result.key = C0.FS;
+        } else if (ev.keyCode === 221) {
+          result.key = C0.GS;
+        }
+      } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {
+        // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.
+        const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];
+        const key = keyMapping?.[!ev.shiftKey ? 0 : 1];
+        if (key) {
+          result.key = C0.ESC + key;
+        } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+          const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;
+          let keyString = String.fromCharCode(keyCode);
+          if (ev.shiftKey) {
+            keyString = keyString.toUpperCase();
+          }
+          result.key = C0.ESC + keyString;
+        } else if (ev.keyCode === 32) {
+          result.key = C0.ESC + (ev.ctrlKey ? C0.NUL : ' ');
+        } else if (ev.key === 'Dead' && ev.code.startsWith('Key')) {
+          // Reference: https://github.com/xtermjs/xterm.js/issues/3725
+          // Alt will produce a "dead key" (initate composition) with some
+          // of the letters in US layout (e.g. N/E/U).
+          // It's safe to match against Key* since no other `code` values begin with "Key".
+          // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code/code_values#code_values_on_mac
+          let keyString = ev.code.slice(3, 4);
+          if (!ev.shiftKey) {
+            keyString = keyString.toLowerCase();
+          }
+          result.key = C0.ESC + keyString;
+          result.cancel = true;
+        }
+      } else if (isMac && !ev.altKey && !ev.ctrlKey && !ev.shiftKey && ev.metaKey) {
+        if (ev.keyCode === 65) { // cmd + a
+          result.type = KeyboardResultType.SELECT_ALL;
+        }
+      } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {
+        // Include only keys that that result in a _single_ character; don't include num lock,
+        // volume up, etc.
+        result.key = ev.key;
+      } else if (ev.key && ev.ctrlKey) {
+        if (ev.key === '_') { // ^_
+          result.key = C0.US;
+        }
+        if (ev.key === '@') { // ^ + shift + 2 = ^ + @
+          result.key = C0.NUL;
+        }
+      }
+      break;
+  }
+
+  return result;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/input/TextDecoder.ts b/web/public/node_modules/@xterm/xterm/src/common/input/TextDecoder.ts
new file mode 100644
index 000000000..7ec9c7cd2
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/input/TextDecoder.ts
@@ -0,0 +1,346 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Polyfill - Convert UTF32 codepoint into JS string.
+ * Note: The built-in String.fromCodePoint happens to be much slower
+ *       due to additional sanity checks. We can avoid them since
+ *       we always operate on legal UTF32 (granted by the input decoders)
+ *       and use this faster version instead.
+ */
+export function stringFromCodePoint(codePoint: number): string {
+  if (codePoint > 0xFFFF) {
+    codePoint -= 0x10000;
+    return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);
+  }
+  return String.fromCharCode(codePoint);
+}
+
+/**
+ * Convert UTF32 char codes into JS string.
+ * Basically the same as `stringFromCodePoint` but for multiple codepoints
+ * in a loop (which is a lot faster).
+ */
+export function utf32ToString(data: Uint32Array, start: number = 0, end: number = data.length): string {
+  let result = '';
+  for (let i = start; i < end; ++i) {
+    let codepoint = data[i];
+    if (codepoint > 0xFFFF) {
+      // JS strings are encoded as UTF16, thus a non BMP codepoint gets converted into a surrogate
+      // pair conversion rules:
+      //  - subtract 0x10000 from code point, leaving a 20 bit number
+      //  - add high 10 bits to 0xD800  --> first surrogate
+      //  - add low 10 bits to 0xDC00   --> second surrogate
+      codepoint -= 0x10000;
+      result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);
+    } else {
+      result += String.fromCharCode(codepoint);
+    }
+  }
+  return result;
+}
+
+/**
+ * StringToUtf32 - decodes UTF16 sequences into UTF32 codepoints.
+ * To keep the decoder in line with JS strings it handles single surrogates as UCS2.
+ */
+export class StringToUtf32 {
+  private _interim: number = 0;
+
+  /**
+   * Clears interim and resets decoder to clean state.
+   */
+  public clear(): void {
+    this._interim = 0;
+  }
+
+  /**
+   * Decode JS string to UTF32 codepoints.
+   * The methods assumes stream input and will store partly transmitted
+   * surrogate pairs and decode them with the next data chunk.
+   * Note: The method does no bound checks for target, therefore make sure
+   * the provided input data does not exceed the size of `target`.
+   * Returns the number of written codepoints in `target`.
+   */
+  public decode(input: string, target: Uint32Array): number {
+    const length = input.length;
+
+    if (!length) {
+      return 0;
+    }
+
+    let size = 0;
+    let startPos = 0;
+
+    // handle leftover surrogate high
+    if (this._interim) {
+      const second = input.charCodeAt(startPos++);
+      if (0xDC00 <= second && second <= 0xDFFF) {
+        target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+      } else {
+        // illegal codepoint (USC2 handling)
+        target[size++] = this._interim;
+        target[size++] = second;
+      }
+      this._interim = 0;
+    }
+
+    for (let i = startPos; i < length; ++i) {
+      const code = input.charCodeAt(i);
+      // surrogate pair first
+      if (0xD800 <= code && code <= 0xDBFF) {
+        if (++i >= length) {
+          this._interim = code;
+          return size;
+        }
+        const second = input.charCodeAt(i);
+        if (0xDC00 <= second && second <= 0xDFFF) {
+          target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+        } else {
+          // illegal codepoint (USC2 handling)
+          target[size++] = code;
+          target[size++] = second;
+        }
+        continue;
+      }
+      if (code === 0xFEFF) {
+        // BOM
+        continue;
+      }
+      target[size++] = code;
+    }
+    return size;
+  }
+}
+
+/**
+ * Utf8Decoder - decodes UTF8 byte sequences into UTF32 codepoints.
+ */
+export class Utf8ToUtf32 {
+  public interim: Uint8Array = new Uint8Array(3);
+
+  /**
+   * Clears interim bytes and resets decoder to clean state.
+   */
+  public clear(): void {
+    this.interim.fill(0);
+  }
+
+  /**
+   * Decodes UTF8 byte sequences in `input` to UTF32 codepoints in `target`.
+   * The methods assumes stream input and will store partly transmitted bytes
+   * and decode them with the next data chunk.
+   * Note: The method does no bound checks for target, therefore make sure
+   * the provided data chunk does not exceed the size of `target`.
+   * Returns the number of written codepoints in `target`.
+   */
+  public decode(input: Uint8Array, target: Uint32Array): number {
+    const length = input.length;
+
+    if (!length) {
+      return 0;
+    }
+
+    let size = 0;
+    let byte1: number;
+    let byte2: number;
+    let byte3: number;
+    let byte4: number;
+    let codepoint = 0;
+    let startPos = 0;
+
+    // handle leftover bytes
+    if (this.interim[0]) {
+      let discardInterim = false;
+      let cp = this.interim[0];
+      cp &= ((((cp & 0xE0) === 0xC0)) ? 0x1F : (((cp & 0xF0) === 0xE0)) ? 0x0F : 0x07);
+      let pos = 0;
+      let tmp: number;
+      while ((tmp = this.interim[++pos] & 0x3F) && pos < 4) {
+        cp <<= 6;
+        cp |= tmp;
+      }
+      // missing bytes - read ahead from input
+      const type = (((this.interim[0] & 0xE0) === 0xC0)) ? 2 : (((this.interim[0] & 0xF0) === 0xE0)) ? 3 : 4;
+      const missing = type - pos;
+      while (startPos < missing) {
+        if (startPos >= length) {
+          return 0;
+        }
+        tmp = input[startPos++];
+        if ((tmp & 0xC0) !== 0x80) {
+          // wrong continuation, discard interim bytes completely
+          startPos--;
+          discardInterim = true;
+          break;
+        } else {
+          // need to save so we can continue short inputs in next call
+          this.interim[pos++] = tmp;
+          cp <<= 6;
+          cp |= tmp & 0x3F;
+        }
+      }
+      if (!discardInterim) {
+        // final test is type dependent
+        if (type === 2) {
+          if (cp < 0x80) {
+            // wrong starter byte
+            startPos--;
+          } else {
+            target[size++] = cp;
+          }
+        } else if (type === 3) {
+          if (cp < 0x0800 || (cp >= 0xD800 && cp <= 0xDFFF) || cp === 0xFEFF) {
+            // illegal codepoint or BOM
+          } else {
+            target[size++] = cp;
+          }
+        } else {
+          if (cp < 0x010000 || cp > 0x10FFFF) {
+            // illegal codepoint
+          } else {
+            target[size++] = cp;
+          }
+        }
+      }
+      this.interim.fill(0);
+    }
+
+    // loop through input
+    const fourStop = length - 4;
+    let i = startPos;
+    while (i < length) {
+      /**
+       * ASCII shortcut with loop unrolled to 4 consecutive ASCII chars.
+       * This is a compromise between speed gain for ASCII
+       * and penalty for non ASCII:
+       * For best ASCII performance the char should be stored directly into target,
+       * but even a single attempt to write to target and compare afterwards
+       * penalizes non ASCII really bad (-50%), thus we load the char into byteX first,
+       * which reduces ASCII performance by ~15%.
+       * This trial for ASCII reduces non ASCII performance by ~10% which seems acceptible
+       * compared to the gains.
+       * Note that this optimization only takes place for 4 consecutive ASCII chars,
+       * for any shorter it bails out. Worst case - all 4 bytes being read but
+       * thrown away due to the last being a non ASCII char (-10% performance).
+       */
+      while (i < fourStop
+        && !((byte1 = input[i]) & 0x80)
+        && !((byte2 = input[i + 1]) & 0x80)
+        && !((byte3 = input[i + 2]) & 0x80)
+        && !((byte4 = input[i + 3]) & 0x80))
+      {
+        target[size++] = byte1;
+        target[size++] = byte2;
+        target[size++] = byte3;
+        target[size++] = byte4;
+        i += 4;
+      }
+
+      // reread byte1
+      byte1 = input[i++];
+
+      // 1 byte
+      if (byte1 < 0x80) {
+        target[size++] = byte1;
+
+        // 2 bytes
+      } else if ((byte1 & 0xE0) === 0xC0) {
+        if (i >= length) {
+          this.interim[0] = byte1;
+          return size;
+        }
+        byte2 = input[i++];
+        if ((byte2 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        codepoint = (byte1 & 0x1F) << 6 | (byte2 & 0x3F);
+        if (codepoint < 0x80) {
+          // wrong starter byte
+          i--;
+          continue;
+        }
+        target[size++] = codepoint;
+
+        // 3 bytes
+      } else if ((byte1 & 0xF0) === 0xE0) {
+        if (i >= length) {
+          this.interim[0] = byte1;
+          return size;
+        }
+        byte2 = input[i++];
+        if ((byte2 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        if (i >= length) {
+          this.interim[0] = byte1;
+          this.interim[1] = byte2;
+          return size;
+        }
+        byte3 = input[i++];
+        if ((byte3 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        codepoint = (byte1 & 0x0F) << 12 | (byte2 & 0x3F) << 6 | (byte3 & 0x3F);
+        if (codepoint < 0x0800 || (codepoint >= 0xD800 && codepoint <= 0xDFFF) || codepoint === 0xFEFF) {
+          // illegal codepoint or BOM, no i-- here
+          continue;
+        }
+        target[size++] = codepoint;
+
+        // 4 bytes
+      } else if ((byte1 & 0xF8) === 0xF0) {
+        if (i >= length) {
+          this.interim[0] = byte1;
+          return size;
+        }
+        byte2 = input[i++];
+        if ((byte2 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        if (i >= length) {
+          this.interim[0] = byte1;
+          this.interim[1] = byte2;
+          return size;
+        }
+        byte3 = input[i++];
+        if ((byte3 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        if (i >= length) {
+          this.interim[0] = byte1;
+          this.interim[1] = byte2;
+          this.interim[2] = byte3;
+          return size;
+        }
+        byte4 = input[i++];
+        if ((byte4 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        codepoint = (byte1 & 0x07) << 18 | (byte2 & 0x3F) << 12 | (byte3 & 0x3F) << 6 | (byte4 & 0x3F);
+        if (codepoint < 0x010000 || codepoint > 0x10FFFF) {
+          // illegal codepoint, no i-- here
+          continue;
+        }
+        target[size++] = codepoint;
+      } else {
+        // illegal byte, just skip
+      }
+    }
+    return size;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/input/UnicodeV6.ts b/web/public/node_modules/@xterm/xterm/src/common/input/UnicodeV6.ts
new file mode 100644
index 000000000..83265f705
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/input/UnicodeV6.ts
@@ -0,0 +1,145 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IUnicodeVersionProvider, UnicodeCharProperties, UnicodeCharWidth } from 'common/services/Services';
+import { UnicodeService } from 'common/services/UnicodeService';
+
+const BMP_COMBINING = [
+  [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+  [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+  [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+  [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+  [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+  [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+  [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+  [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+  [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+  [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+  [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+  [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+  [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+  [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+  [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+  [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+  [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+  [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+  [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+  [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+  [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+  [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+  [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+  [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+  [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+  [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+  [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+  [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+  [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+  [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+  [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+  [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+  [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+  [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+  [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+  [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+  [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+  [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+  [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+  [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+  [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+  [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+  [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
+];
+const HIGH_COMBINING = [
+  [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+  [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+  [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+  [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+  [0xE0100, 0xE01EF]
+];
+
+// BMP lookup table, lazy initialized during first addon loading
+let table: Uint8Array;
+
+function bisearch(ucs: number, data: number[][]): boolean {
+  let min = 0;
+  let max = data.length - 1;
+  let mid;
+  if (ucs < data[0][0] || ucs > data[max][1]) {
+    return false;
+  }
+  while (max >= min) {
+    mid = (min + max) >> 1;
+    if (ucs > data[mid][1]) {
+      min = mid + 1;
+    } else if (ucs < data[mid][0]) {
+      max = mid - 1;
+    } else {
+      return true;
+    }
+  }
+  return false;
+}
+
+export class UnicodeV6 implements IUnicodeVersionProvider {
+  public readonly version = '6';
+
+  constructor() {
+    // init lookup table once
+    if (!table) {
+      table = new Uint8Array(65536);
+      table.fill(1);
+      table[0] = 0;
+      // control chars
+      table.fill(0, 1, 32);
+      table.fill(0, 0x7f, 0xa0);
+
+      // apply wide char rules first
+      // wide chars
+      table.fill(2, 0x1100, 0x1160);
+      table[0x2329] = 2;
+      table[0x232a] = 2;
+      table.fill(2, 0x2e80, 0xa4d0);
+      table[0x303f] = 1;  // wrongly in last line
+
+      table.fill(2, 0xac00, 0xd7a4);
+      table.fill(2, 0xf900, 0xfb00);
+      table.fill(2, 0xfe10, 0xfe1a);
+      table.fill(2, 0xfe30, 0xfe70);
+      table.fill(2, 0xff00, 0xff61);
+      table.fill(2, 0xffe0, 0xffe7);
+
+      // apply combining last to ensure we overwrite
+      // wrongly wide set chars:
+      //    the original algo evals combining first and falls
+      //    through to wide check so we simply do here the opposite
+      // combining 0
+      for (let r = 0; r < BMP_COMBINING.length; ++r) {
+        table.fill(0, BMP_COMBINING[r][0], BMP_COMBINING[r][1] + 1);
+      }
+    }
+  }
+
+  public wcwidth(num: number): UnicodeCharWidth {
+    if (num < 32) return 0;
+    if (num < 127) return 1;
+    if (num < 65536) return table[num] as UnicodeCharWidth;
+    if (bisearch(num, HIGH_COMBINING)) return 0;
+    if ((num >= 0x20000 && num <= 0x2fffd) || (num >= 0x30000 && num <= 0x3fffd)) return 2;
+    return 1;
+  }
+
+  public charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties {
+    let width = this.wcwidth(codepoint);
+    let shouldJoin = width === 0 && preceding !== 0;
+    if (shouldJoin) {
+      const oldWidth = UnicodeService.extractWidth(preceding);
+      if (oldWidth === 0) {
+        shouldJoin = false;
+      } else if (oldWidth > width) {
+        width = oldWidth;
+      }
+    }
+    return UnicodeService.createPropertyValue(0, width, shouldJoin);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/input/WriteBuffer.ts b/web/public/node_modules/@xterm/xterm/src/common/input/WriteBuffer.ts
new file mode 100644
index 000000000..ac0730cbd
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/input/WriteBuffer.ts
@@ -0,0 +1,246 @@
+
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+
+declare const setTimeout: (handler: () => void, timeout?: number) => void;
+
+/**
+ * Safety watermark to avoid memory exhaustion and browser engine crash on fast data input.
+ * Enable flow control to avoid this limit and make sure that your backend correctly
+ * propagates this to the underlying pty. (see docs for further instructions)
+ * Since this limit is meant as a safety parachute to prevent browser crashs,
+ * it is set to a very high number. Typically xterm.js gets unresponsive with
+ * a 100 times lower number (>500 kB).
+ */
+const DISCARD_WATERMARK = 50000000; // ~50 MB
+
+/**
+ * The max number of ms to spend on writes before allowing the renderer to
+ * catch up with a 0ms setTimeout. A value of < 33 to keep us close to
+ * 30fps, and a value of < 16 to try to run at 60fps. Of course, the real FPS
+ * depends on the time it takes for the renderer to draw the frame.
+ */
+const WRITE_TIMEOUT_MS = 12;
+
+/**
+ * Threshold of max held chunks in the write buffer, that were already processed.
+ * This is a tradeoff between extensive write buffer shifts (bad runtime) and high
+ * memory consumption by data thats not used anymore.
+ */
+const WRITE_BUFFER_LENGTH_THRESHOLD = 50;
+
+export class WriteBuffer extends Disposable {
+  private _writeBuffer: (string | Uint8Array)[] = [];
+  private _callbacks: ((() => void) | undefined)[] = [];
+  private _pendingData = 0;
+  private _bufferOffset = 0;
+  private _isSyncWriting = false;
+  private _syncCalls = 0;
+  private _didUserInput = false;
+
+  private readonly _onWriteParsed = this.register(new EventEmitter<void>());
+  public readonly onWriteParsed = this._onWriteParsed.event;
+
+  constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise<boolean>) {
+    super();
+  }
+
+  public handleUserInput(): void {
+    this._didUserInput = true;
+  }
+
+  /**
+   * @deprecated Unreliable, to be removed soon.
+   */
+  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {
+    // stop writeSync recursions with maxSubsequentCalls argument
+    // This is dangerous to use as it will lose the current data chunk
+    // and return immediately.
+    if (maxSubsequentCalls !== undefined && this._syncCalls > maxSubsequentCalls) {
+      // comment next line if a whole loop block should only contain x `writeSync` calls
+      // (total flat vs. deep nested limit)
+      this._syncCalls = 0;
+      return;
+    }
+    // append chunk to buffer
+    this._pendingData += data.length;
+    this._writeBuffer.push(data);
+    this._callbacks.push(undefined);
+
+    // increase recursion counter
+    this._syncCalls++;
+    // exit early if another writeSync loop is active
+    if (this._isSyncWriting) {
+      return;
+    }
+    this._isSyncWriting = true;
+
+    // force sync processing on pending data chunks to avoid in-band data scrambling
+    // does the same as innerWrite but without event loop
+    // we have to do it here as single loop steps to not corrupt loop subject
+    // by another writeSync call triggered from _action
+    let chunk: string | Uint8Array | undefined;
+    while (chunk = this._writeBuffer.shift()) {
+      this._action(chunk);
+      const cb = this._callbacks.shift();
+      if (cb) cb();
+    }
+    // reset to avoid reprocessing of chunks with scheduled innerWrite call
+    // stopping scheduled innerWrite by offset > length condition
+    this._pendingData = 0;
+    this._bufferOffset = 0x7FFFFFFF;
+
+    // allow another writeSync to loop
+    this._isSyncWriting = false;
+    this._syncCalls = 0;
+  }
+
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    if (this._pendingData > DISCARD_WATERMARK) {
+      throw new Error('write data discarded, use flow control to avoid losing data');
+    }
+
+    // schedule chunk processing for next event loop run
+    if (!this._writeBuffer.length) {
+      this._bufferOffset = 0;
+
+      // If this is the first write call after the user has done some input,
+      // parse it immediately to minimize input latency,
+      // otherwise schedule for the next event
+      if (this._didUserInput) {
+        this._didUserInput = false;
+        this._pendingData += data.length;
+        this._writeBuffer.push(data);
+        this._callbacks.push(callback);
+        this._innerWrite();
+        return;
+      }
+
+      setTimeout(() => this._innerWrite());
+    }
+
+    this._pendingData += data.length;
+    this._writeBuffer.push(data);
+    this._callbacks.push(callback);
+  }
+
+  /**
+   * Inner write call, that enters the sliced chunk processing by timing.
+   *
+   * `lastTime` indicates, when the last _innerWrite call had started.
+   * It is used to aggregate async handler execution under a timeout constraint
+   * effectively lowering the redrawing needs, schematically:
+   *
+   *   macroTask _innerWrite:
+   *     if (Date.now() - (lastTime | 0) < WRITE_TIMEOUT_MS):
+   *        schedule microTask _innerWrite(lastTime)
+   *     else:
+   *        schedule macroTask _innerWrite(0)
+   *
+   *   overall execution order on task queues:
+   *
+   *   macrotasks:  [...]  -->  _innerWrite(0)  -->  [...]  -->  screenUpdate  -->  [...]
+   *         m  t:                    |
+   *         i  a:                  [...]
+   *         c  s:                    |
+   *         r  k:              while < timeout:
+   *         o  s:                _innerWrite(timeout)
+   *
+   * `promiseResult` depicts the promise resolve value of an async handler.
+   * This value gets carried forward through all saved stack states of the
+   * paused parser for proper continuation.
+   *
+   * Note, for pure sync code `lastTime` and `promiseResult` have no meaning.
+   */
+  protected _innerWrite(lastTime: number = 0, promiseResult: boolean = true): void {
+    const startTime = lastTime || Date.now();
+    while (this._writeBuffer.length > this._bufferOffset) {
+      const data = this._writeBuffer[this._bufferOffset];
+      const result = this._action(data, promiseResult);
+      if (result) {
+        /**
+         * If we get a promise as return value, we re-schedule the continuation
+         * as thenable on the promise and exit right away.
+         *
+         * The exit here means, that we block input processing at the current active chunk,
+         * the exact execution position within the chunk is preserved by the saved
+         * stack content in InputHandler and EscapeSequenceParser.
+         *
+         * Resuming happens automatically from that saved stack state.
+         * Also the resolved promise value is passed along the callstack to
+         * `EscapeSequenceParser.parse` to correctly resume the stopped handler loop.
+         *
+         * Exceptions on async handlers will be logged to console async, but do not interrupt
+         * the input processing (continues with next handler at the current input position).
+         */
+
+        /**
+         * If a promise takes long to resolve, we should schedule continuation behind setTimeout.
+         * This might already be too late, if our .then enters really late (executor + prev thens
+         * took very long). This cannot be solved here for the handler itself (it is the handlers
+         * responsibility to slice hard work), but we can at least schedule a screen update as we
+         * gain control.
+         */
+        const continuation: (r: boolean) => void = (r: boolean) => Date.now() - startTime >= WRITE_TIMEOUT_MS
+          ? setTimeout(() => this._innerWrite(0, r))
+          : this._innerWrite(startTime, r);
+
+        /**
+         * Optimization considerations:
+         * The continuation above favors FPS over throughput by eval'ing `startTime` on resolve.
+         * This might schedule too many screen updates with bad throughput drops (in case a slow
+         * resolving handler sliced its work properly behind setTimeout calls). We cannot spot
+         * this condition here, also the renderer has no way to spot nonsense updates either.
+         * FIXME: A proper fix for this would track the FPS at the renderer entry level separately.
+         *
+         * If favoring of FPS shows bad throughtput impact, use the following instead. It favors
+         * throughput by eval'ing `startTime` upfront pulling at least one more chunk into the
+         * current microtask queue (executed before setTimeout).
+         */
+        // const continuation: (r: boolean) => void = Date.now() - startTime >= WRITE_TIMEOUT_MS
+        //   ? r => setTimeout(() => this._innerWrite(0, r))
+        //   : r => this._innerWrite(startTime, r);
+
+        // Handle exceptions synchronously to current band position, idea:
+        // 1. spawn a single microtask which we allow to throw hard
+        // 2. spawn a promise immediately resolving to `true`
+        // (executed on the same queue, thus properly aligned before continuation happens)
+        result.catch(err => {
+          queueMicrotask(() => {throw err;});
+          return Promise.resolve(false);
+        }).then(continuation);
+        return;
+      }
+
+      const cb = this._callbacks[this._bufferOffset];
+      if (cb) cb();
+      this._bufferOffset++;
+      this._pendingData -= data.length;
+
+      if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {
+        break;
+      }
+    }
+    if (this._writeBuffer.length > this._bufferOffset) {
+      // Allow renderer to catch up before processing the next batch
+      // trim already processed chunks if we are above threshold
+      if (this._bufferOffset > WRITE_BUFFER_LENGTH_THRESHOLD) {
+        this._writeBuffer = this._writeBuffer.slice(this._bufferOffset);
+        this._callbacks = this._callbacks.slice(this._bufferOffset);
+        this._bufferOffset = 0;
+      }
+      setTimeout(() => this._innerWrite());
+    } else {
+      this._writeBuffer.length = 0;
+      this._callbacks.length = 0;
+      this._pendingData = 0;
+      this._bufferOffset = 0;
+    }
+    this._onWriteParsed.fire();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/input/XParseColor.ts b/web/public/node_modules/@xterm/xterm/src/common/input/XParseColor.ts
new file mode 100644
index 000000000..fd23ec4bf
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/input/XParseColor.ts
@@ -0,0 +1,80 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+
+// 'rgb:' rule - matching: r/g/b | rr/gg/bb | rrr/ggg/bbb | rrrr/gggg/bbbb (hex digits)
+const RGB_REX = /^([\da-f])\/([\da-f])\/([\da-f])$|^([\da-f]{2})\/([\da-f]{2})\/([\da-f]{2})$|^([\da-f]{3})\/([\da-f]{3})\/([\da-f]{3})$|^([\da-f]{4})\/([\da-f]{4})\/([\da-f]{4})$/;
+// '#...' rule - matching any hex digits
+const HASH_REX = /^[\da-f]+$/;
+
+/**
+ * Parse color spec to RGB values (8 bit per channel).
+ * See `man xparsecolor` for details about certain format specifications.
+ *
+ * Supported formats:
+ * - rgb:<red>/<green>/<blue> with <red>, <green>, <blue> in h | hh | hhh | hhhh
+ * - #RGB, #RRGGBB, #RRRGGGBBB, #RRRRGGGGBBBB
+ *
+ * All other formats like rgbi: or device-independent string specifications
+ * with float numbering are not supported.
+ */
+export function parseColor(data: string): [number, number, number] | undefined {
+  if (!data) return;
+  // also handle uppercases
+  let low = data.toLowerCase();
+  if (low.indexOf('rgb:') === 0) {
+    // 'rgb:' specifier
+    low = low.slice(4);
+    const m = RGB_REX.exec(low);
+    if (m) {
+      const base = m[1] ? 15 : m[4] ? 255 : m[7] ? 4095 : 65535;
+      return [
+        Math.round(parseInt(m[1] || m[4] || m[7] || m[10], 16) / base * 255),
+        Math.round(parseInt(m[2] || m[5] || m[8] || m[11], 16) / base * 255),
+        Math.round(parseInt(m[3] || m[6] || m[9] || m[12], 16) / base * 255)
+      ];
+    }
+  } else if (low.indexOf('#') === 0) {
+    // '#' specifier
+    low = low.slice(1);
+    if (HASH_REX.exec(low) && [3, 6, 9, 12].includes(low.length)) {
+      const adv = low.length / 3;
+      const result: [number, number, number] = [0, 0, 0];
+      for (let i = 0; i < 3; ++i) {
+        const c = parseInt(low.slice(adv * i, adv * i + adv), 16);
+        result[i] = adv === 1 ? c << 4 : adv === 2 ? c : adv === 3 ? c >> 4 : c >> 8;
+      }
+      return result;
+    }
+  }
+
+  // Named colors are currently not supported due to the large addition to the xterm.js bundle size
+  // they would add. In order to support named colors, we would need some way of optionally loading
+  // additional payloads so startup/download time is not bloated (see #3530).
+}
+
+// pad hex output to requested bit width
+function pad(n: number, bits: number): string {
+  const s = n.toString(16);
+  const s2 = s.length < 2 ? '0' + s : s;
+  switch (bits) {
+    case 4:
+      return s[0];
+    case 8:
+      return s2;
+    case 12:
+      return (s2 + s2).slice(0, 3);
+    default:
+      return s2 + s2;
+  }
+}
+
+/**
+ * Convert a given color to rgb:../../.. string of `bits` depth.
+ */
+export function toRgbString(color: [number, number, number], bits: number = 16): string {
+  const [r, g, b] = color;
+  return `rgb:${pad(r, bits)}/${pad(g, bits)}/${pad(b, bits)}`;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/parser/Constants.ts b/web/public/node_modules/@xterm/xterm/src/common/parser/Constants.ts
new file mode 100644
index 000000000..7fe24f34f
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/parser/Constants.ts
@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Internal states of EscapeSequenceParser.
+ */
+export const enum ParserState {
+  GROUND = 0,
+  ESCAPE = 1,
+  ESCAPE_INTERMEDIATE = 2,
+  CSI_ENTRY = 3,
+  CSI_PARAM = 4,
+  CSI_INTERMEDIATE = 5,
+  CSI_IGNORE = 6,
+  SOS_PM_APC_STRING = 7,
+  OSC_STRING = 8,
+  DCS_ENTRY = 9,
+  DCS_PARAM = 10,
+  DCS_IGNORE = 11,
+  DCS_INTERMEDIATE = 12,
+  DCS_PASSTHROUGH = 13
+}
+
+/**
+ * Internal actions of EscapeSequenceParser.
+ */
+export const enum ParserAction {
+  IGNORE = 0,
+  ERROR = 1,
+  PRINT = 2,
+  EXECUTE = 3,
+  OSC_START = 4,
+  OSC_PUT = 5,
+  OSC_END = 6,
+  CSI_DISPATCH = 7,
+  PARAM = 8,
+  COLLECT = 9,
+  ESC_DISPATCH = 10,
+  CLEAR = 11,
+  DCS_HOOK = 12,
+  DCS_PUT = 13,
+  DCS_UNHOOK = 14
+}
+
+/**
+ * Internal states of OscParser.
+ */
+export const enum OscState {
+  START = 0,
+  ID = 1,
+  PAYLOAD = 2,
+  ABORT = 3
+}
+
+// payload limit for OSC and DCS
+export const PAYLOAD_LIMIT = 10000000;
diff --git a/web/public/node_modules/@xterm/xterm/src/common/parser/DcsParser.ts b/web/public/node_modules/@xterm/xterm/src/common/parser/DcsParser.ts
new file mode 100644
index 000000000..b66524bae
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/parser/DcsParser.ts
@@ -0,0 +1,192 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType, ISubParserStackState } from 'common/parser/Types';
+import { utf32ToString } from 'common/input/TextDecoder';
+import { Params } from 'common/parser/Params';
+import { PAYLOAD_LIMIT } from 'common/parser/Constants';
+
+const EMPTY_HANDLERS: IDcsHandler[] = [];
+
+export class DcsParser implements IDcsParser {
+  private _handlers: IHandlerCollection<IDcsHandler> = Object.create(null);
+  private _active: IDcsHandler[] = EMPTY_HANDLERS;
+  private _ident: number = 0;
+  private _handlerFb: DcsFallbackHandlerType = () => { };
+  private _stack: ISubParserStackState = {
+    paused: false,
+    loopPosition: 0,
+    fallThrough: false
+  };
+
+  public dispose(): void {
+    this._handlers = Object.create(null);
+    this._handlerFb = () => { };
+    this._active = EMPTY_HANDLERS;
+  }
+
+  public registerHandler(ident: number, handler: IDcsHandler): IDisposable {
+    if (this._handlers[ident] === undefined) {
+      this._handlers[ident] = [];
+    }
+    const handlerList = this._handlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+
+  public clearHandler(ident: number): void {
+    if (this._handlers[ident]) delete this._handlers[ident];
+  }
+
+  public setHandlerFallback(handler: DcsFallbackHandlerType): void {
+    this._handlerFb = handler;
+  }
+
+  public reset(): void {
+    // force cleanup leftover handlers
+    if (this._active.length) {
+      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {
+        this._active[j].unhook(false);
+      }
+    }
+    this._stack.paused = false;
+    this._active = EMPTY_HANDLERS;
+    this._ident = 0;
+  }
+
+  public hook(ident: number, params: IParams): void {
+    // always reset leftover handlers
+    this.reset();
+    this._ident = ident;
+    this._active = this._handlers[ident] || EMPTY_HANDLERS;
+    if (!this._active.length) {
+      this._handlerFb(this._ident, 'HOOK', params);
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].hook(params);
+      }
+    }
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (!this._active.length) {
+      this._handlerFb(this._ident, 'PUT', utf32ToString(data, start, end));
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].put(data, start, end);
+      }
+    }
+  }
+
+  public unhook(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {
+    if (!this._active.length) {
+      this._handlerFb(this._ident, 'UNHOOK', success);
+    } else {
+      let handlerResult: boolean | Promise<boolean> = false;
+      let j = this._active.length - 1;
+      let fallThrough = false;
+      if (this._stack.paused) {
+        j = this._stack.loopPosition - 1;
+        handlerResult = promiseResult;
+        fallThrough = this._stack.fallThrough;
+        this._stack.paused = false;
+      }
+      if (!fallThrough && handlerResult === false) {
+        for (; j >= 0; j--) {
+          handlerResult = this._active[j].unhook(success);
+          if (handlerResult === true) {
+            break;
+          } else if (handlerResult instanceof Promise) {
+            this._stack.paused = true;
+            this._stack.loopPosition = j;
+            this._stack.fallThrough = false;
+            return handlerResult;
+          }
+        }
+        j--;
+      }
+      // cleanup left over handlers (fallThrough for async)
+      for (; j >= 0; j--) {
+        handlerResult = this._active[j].unhook(false);
+        if (handlerResult instanceof Promise) {
+          this._stack.paused = true;
+          this._stack.loopPosition = j;
+          this._stack.fallThrough = true;
+          return handlerResult;
+        }
+      }
+    }
+    this._active = EMPTY_HANDLERS;
+    this._ident = 0;
+  }
+}
+
+// predefine empty params as [0] (ZDM)
+const EMPTY_PARAMS = new Params();
+EMPTY_PARAMS.addParam(0);
+
+/**
+ * Convenient class to create a DCS handler from a single callback function.
+ * Note: The payload is currently limited to 50 MB (hardcoded).
+ */
+export class DcsHandler implements IDcsHandler {
+  private _data = '';
+  private _params: IParams = EMPTY_PARAMS;
+  private _hitLimit: boolean = false;
+
+  constructor(private _handler: (data: string, params: IParams) => boolean | Promise<boolean>) { }
+
+  public hook(params: IParams): void {
+    // since we need to preserve params until `unhook`, we have to clone it
+    // (only borrowed from parser and spans multiple parser states)
+    // perf optimization:
+    // clone only, if we have non empty params, otherwise stick with default
+    this._params = (params.length > 1 || params.params[0]) ? params.clone() : EMPTY_PARAMS;
+    this._data = '';
+    this._hitLimit = false;
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._hitLimit) {
+      return;
+    }
+    this._data += utf32ToString(data, start, end);
+    if (this._data.length > PAYLOAD_LIMIT) {
+      this._data = '';
+      this._hitLimit = true;
+    }
+  }
+
+  public unhook(success: boolean): boolean | Promise<boolean> {
+    let ret: boolean | Promise<boolean> = false;
+    if (this._hitLimit) {
+      ret = false;
+    } else if (success) {
+      ret = this._handler(this._data, this._params);
+      if (ret instanceof Promise) {
+        // need to hold data and params until `ret` got resolved
+        // dont care for errors, data will be freed anyway on next start
+        return ret.then(res => {
+          this._params = EMPTY_PARAMS;
+          this._data = '';
+          this._hitLimit = false;
+          return res;
+        });
+      }
+    }
+    this._params = EMPTY_PARAMS;
+    this._data = '';
+    this._hitLimit = false;
+    return ret;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/parser/EscapeSequenceParser.ts b/web/public/node_modules/@xterm/xterm/src/common/parser/EscapeSequenceParser.ts
new file mode 100644
index 000000000..b3d02768b
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/parser/EscapeSequenceParser.ts
@@ -0,0 +1,792 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType, IParserStackState, ParserStackType, ResumableHandlersType } from 'common/parser/Types';
+import { ParserState, ParserAction } from 'common/parser/Constants';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+import { Params } from 'common/parser/Params';
+import { OscParser } from 'common/parser/OscParser';
+import { DcsParser } from 'common/parser/DcsParser';
+
+/**
+ * Table values are generated like this:
+ *    index:  currentState << TableValue.INDEX_STATE_SHIFT | charCode
+ *    value:  action << TableValue.TRANSITION_ACTION_SHIFT | nextState
+ */
+const enum TableAccess {
+  TRANSITION_ACTION_SHIFT = 4,
+  TRANSITION_STATE_MASK = 15,
+  INDEX_STATE_SHIFT = 8
+}
+
+/**
+ * Transition table for EscapeSequenceParser.
+ */
+export class TransitionTable {
+  public table: Uint8Array;
+
+  constructor(length: number) {
+    this.table = new Uint8Array(length);
+  }
+
+  /**
+   * Set default transition.
+   * @param action default action
+   * @param next default next state
+   */
+  public setDefault(action: ParserAction, next: ParserState): void {
+    this.table.fill(action << TableAccess.TRANSITION_ACTION_SHIFT | next);
+  }
+
+  /**
+   * Add a transition to the transition table.
+   * @param code input character code
+   * @param state current parser state
+   * @param action parser action to be done
+   * @param next next parser state
+   */
+  public add(code: number, state: ParserState, action: ParserAction, next: ParserState): void {
+    this.table[state << TableAccess.INDEX_STATE_SHIFT | code] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;
+  }
+
+  /**
+   * Add transitions for multiple input character codes.
+   * @param codes input character code array
+   * @param state current parser state
+   * @param action parser action to be done
+   * @param next next parser state
+   */
+  public addMany(codes: number[], state: ParserState, action: ParserAction, next: ParserState): void {
+    for (let i = 0; i < codes.length; i++) {
+      this.table[state << TableAccess.INDEX_STATE_SHIFT | codes[i]] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;
+    }
+  }
+}
+
+
+// Pseudo-character placeholder for printable non-ascii characters (unicode).
+const NON_ASCII_PRINTABLE = 0xA0;
+
+
+/**
+ * VT500 compatible transition table.
+ * Taken from https://vt100.net/emu/dec_ansi_parser.
+ */
+export const VT500_TRANSITION_TABLE = (function (): TransitionTable {
+  const table: TransitionTable = new TransitionTable(4095);
+
+  // range macro for byte
+  const BYTE_VALUES = 256;
+  const blueprint = Array.apply(null, Array(BYTE_VALUES)).map((unused: any, i: number) => i);
+  const r = (start: number, end: number): number[] => blueprint.slice(start, end);
+
+  // Default definitions.
+  const PRINTABLES = r(0x20, 0x7f); // 0x20 (SP) included, 0x7F (DEL) excluded
+  const EXECUTABLES = r(0x00, 0x18);
+  EXECUTABLES.push(0x19);
+  EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));
+
+  const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);
+  let state: any;
+
+  // set default transition
+  table.setDefault(ParserAction.ERROR, ParserState.GROUND);
+  // printables
+  table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);
+  // global anywhere rules
+  for (state in states) {
+    table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);
+    table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);
+    table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);
+    table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator
+    table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE);  // ESC
+    table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING);  // OSC
+    table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+    table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY);  // CSI
+    table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY);  // DCS
+  }
+  // rules for executables and 7f
+  table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);
+  table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);
+  table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);
+  table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);
+  table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);
+  table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);
+  table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);
+  table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);
+  table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);
+  table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);
+  table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);
+  table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);
+  table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);
+  // osc
+  table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);
+  table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
+  table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
+  table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);
+  table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);
+  // sos/pm/apc does nothing
+  table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);
+  table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  // csi entries
+  table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x30, 0x3c), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);
+  table.addMany(r(0x30, 0x3c), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);
+  table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
+  table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
+  table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
+  // esc_intermediate
+  table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);
+  table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);
+  table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  // dcs entry
+  table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);
+  table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
+  table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
+  table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x30, 0x3c), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);
+  table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
+  table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
+  table.addMany(r(0x30, 0x3c), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
+  table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
+  table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
+  table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
+  table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
+  table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
+  table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
+  table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);
+  table.addMany([0x1b, 0x9c, 0x18, 0x1a], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);
+  // special handling of unicode chars
+  table.add(NON_ASCII_PRINTABLE, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);
+  table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
+  table.add(NON_ASCII_PRINTABLE, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
+  return table;
+})();
+
+
+/**
+ * EscapeSequenceParser.
+ * This class implements the ANSI/DEC compatible parser described by
+ * Paul Williams (https://vt100.net/emu/dec_ansi_parser).
+ *
+ * To implement custom ANSI compliant escape sequences it is not needed to
+ * alter this parser, instead consider registering a custom handler.
+ * For non ANSI compliant sequences change the transition table with
+ * the optional `transitions` constructor argument and
+ * reimplement the `parse` method.
+ *
+ * This parser is currently hardcoded to operate in ZDM (Zero Default Mode)
+ * as suggested by the original parser, thus empty parameters are set to 0.
+ * This this is not in line with the latest ECMA-48 specification
+ * (ZDM was part of the early specs and got completely removed later on).
+ *
+ * Other than the original parser from vt100.net this parser supports
+ * sub parameters in digital parameters separated by colons. Empty sub parameters
+ * are set to -1 (no ZDM for sub parameters).
+ *
+ * About prefix and intermediate bytes:
+ * This parser follows the assumptions of the vt100.net parser with these restrictions:
+ * - only one prefix byte is allowed as first parameter byte, byte range 0x3c .. 0x3f
+ * - max. two intermediates are respected, byte range 0x20 .. 0x2f
+ * Note that this is not in line with ECMA-48 which does not limit either of those.
+ * Furthermore ECMA-48 allows the prefix byte range at any param byte position. Currently
+ * there are no known sequences that follow the broader definition of the specification.
+ *
+ * TODO: implement error recovery hook via error handler return values
+ */
+export class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {
+  public initialState: number;
+  public currentState: number;
+  public precedingJoinState: number; // UnicodeJoinProperties
+
+  // buffers over several parse calls
+  protected _params: Params;
+  protected _collect: number;
+
+  // handler lookup containers
+  protected _printHandler: PrintHandlerType;
+  protected _executeHandlers: { [flag: number]: ExecuteHandlerType };
+  protected _csiHandlers: IHandlerCollection<CsiHandlerType>;
+  protected _escHandlers: IHandlerCollection<EscHandlerType>;
+  protected readonly _oscParser: IOscParser;
+  protected readonly _dcsParser: IDcsParser;
+  protected _errorHandler: (state: IParsingState) => IParsingState;
+
+  // fallback handlers
+  protected _printHandlerFb: PrintFallbackHandlerType;
+  protected _executeHandlerFb: ExecuteFallbackHandlerType;
+  protected _csiHandlerFb: CsiFallbackHandlerType;
+  protected _escHandlerFb: EscFallbackHandlerType;
+  protected _errorHandlerFb: (state: IParsingState) => IParsingState;
+
+  // parser stack save for async handler support
+  protected _parseStack: IParserStackState = {
+    state: ParserStackType.NONE,
+    handlers: [],
+    handlerPos: 0,
+    transition: 0,
+    chunkPos: 0
+  };
+
+  constructor(
+    protected readonly _transitions: TransitionTable = VT500_TRANSITION_TABLE
+  ) {
+    super();
+
+    this.initialState = ParserState.GROUND;
+    this.currentState = this.initialState;
+    this._params = new Params(); // defaults to 32 storable params/subparams
+    this._params.addParam(0);    // ZDM
+    this._collect = 0;
+    this.precedingJoinState = 0;
+
+    // set default fallback handlers and handler lookup containers
+    this._printHandlerFb = (data, start, end): void => { };
+    this._executeHandlerFb = (code: number): void => { };
+    this._csiHandlerFb = (ident: number, params: IParams): void => { };
+    this._escHandlerFb = (ident: number): void => { };
+    this._errorHandlerFb = (state: IParsingState): IParsingState => state;
+    this._printHandler = this._printHandlerFb;
+    this._executeHandlers = Object.create(null);
+    this._csiHandlers = Object.create(null);
+    this._escHandlers = Object.create(null);
+    this.register(toDisposable(() => {
+      this._csiHandlers = Object.create(null);
+      this._executeHandlers = Object.create(null);
+      this._escHandlers = Object.create(null);
+    }));
+    this._oscParser = this.register(new OscParser());
+    this._dcsParser = this.register(new DcsParser());
+    this._errorHandler = this._errorHandlerFb;
+
+    // swallow 7bit ST (ESC+\)
+    this.registerEscHandler({ final: '\\' }, () => true);
+  }
+
+  protected _identifier(id: IFunctionIdentifier, finalRange: number[] = [0x40, 0x7e]): number {
+    let res = 0;
+    if (id.prefix) {
+      if (id.prefix.length > 1) {
+        throw new Error('only one byte as prefix supported');
+      }
+      res = id.prefix.charCodeAt(0);
+      if (res && 0x3c > res || res > 0x3f) {
+        throw new Error('prefix must be in range 0x3c .. 0x3f');
+      }
+    }
+    if (id.intermediates) {
+      if (id.intermediates.length > 2) {
+        throw new Error('only two bytes as intermediates are supported');
+      }
+      for (let i = 0; i < id.intermediates.length; ++i) {
+        const intermediate = id.intermediates.charCodeAt(i);
+        if (0x20 > intermediate || intermediate > 0x2f) {
+          throw new Error('intermediate must be in range 0x20 .. 0x2f');
+        }
+        res <<= 8;
+        res |= intermediate;
+      }
+    }
+    if (id.final.length !== 1) {
+      throw new Error('final must be a single byte');
+    }
+    const finalCode = id.final.charCodeAt(0);
+    if (finalRange[0] > finalCode || finalCode > finalRange[1]) {
+      throw new Error(`final must be in range ${finalRange[0]} .. ${finalRange[1]}`);
+    }
+    res <<= 8;
+    res |= finalCode;
+
+    return res;
+  }
+
+  public identToString(ident: number): string {
+    const res: string[] = [];
+    while (ident) {
+      res.push(String.fromCharCode(ident & 0xFF));
+      ident >>= 8;
+    }
+    return res.reverse().join('');
+  }
+
+  public setPrintHandler(handler: PrintHandlerType): void {
+    this._printHandler = handler;
+  }
+  public clearPrintHandler(): void {
+    this._printHandler = this._printHandlerFb;
+  }
+
+  public registerEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable {
+    const ident = this._identifier(id, [0x30, 0x7e]);
+    if (this._escHandlers[ident] === undefined) {
+      this._escHandlers[ident] = [];
+    }
+    const handlerList = this._escHandlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+  public clearEscHandler(id: IFunctionIdentifier): void {
+    if (this._escHandlers[this._identifier(id, [0x30, 0x7e])]) delete this._escHandlers[this._identifier(id, [0x30, 0x7e])];
+  }
+  public setEscHandlerFallback(handler: EscFallbackHandlerType): void {
+    this._escHandlerFb = handler;
+  }
+
+  public setExecuteHandler(flag: string, handler: ExecuteHandlerType): void {
+    this._executeHandlers[flag.charCodeAt(0)] = handler;
+  }
+  public clearExecuteHandler(flag: string): void {
+    if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];
+  }
+  public setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void {
+    this._executeHandlerFb = handler;
+  }
+
+  public registerCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable {
+    const ident = this._identifier(id);
+    if (this._csiHandlers[ident] === undefined) {
+      this._csiHandlers[ident] = [];
+    }
+    const handlerList = this._csiHandlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+  public clearCsiHandler(id: IFunctionIdentifier): void {
+    if (this._csiHandlers[this._identifier(id)]) delete this._csiHandlers[this._identifier(id)];
+  }
+  public setCsiHandlerFallback(callback: (ident: number, params: IParams) => void): void {
+    this._csiHandlerFb = callback;
+  }
+
+  public registerDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable {
+    return this._dcsParser.registerHandler(this._identifier(id), handler);
+  }
+  public clearDcsHandler(id: IFunctionIdentifier): void {
+    this._dcsParser.clearHandler(this._identifier(id));
+  }
+  public setDcsHandlerFallback(handler: DcsFallbackHandlerType): void {
+    this._dcsParser.setHandlerFallback(handler);
+  }
+
+  public registerOscHandler(ident: number, handler: IOscHandler): IDisposable {
+    return this._oscParser.registerHandler(ident, handler);
+  }
+  public clearOscHandler(ident: number): void {
+    this._oscParser.clearHandler(ident);
+  }
+  public setOscHandlerFallback(handler: OscFallbackHandlerType): void {
+    this._oscParser.setHandlerFallback(handler);
+  }
+
+  public setErrorHandler(callback: (state: IParsingState) => IParsingState): void {
+    this._errorHandler = callback;
+  }
+  public clearErrorHandler(): void {
+    this._errorHandler = this._errorHandlerFb;
+  }
+
+  /**
+   * Reset parser to initial values.
+   *
+   * This can also be used to lift the improper continuation error condition
+   * when dealing with async handlers. Use this only as a last resort to silence
+   * that error when the terminal has no pending data to be processed. Note that
+   * the interrupted async handler might continue its work in the future messing
+   * up the terminal state even further.
+   */
+  public reset(): void {
+    this.currentState = this.initialState;
+    this._oscParser.reset();
+    this._dcsParser.reset();
+    this._params.reset();
+    this._params.addParam(0); // ZDM
+    this._collect = 0;
+    this.precedingJoinState = 0;
+    // abort pending continuation from async handler
+    // Here the RESET type indicates, that the next parse call will
+    // ignore any saved stack, instead continues sync with next codepoint from GROUND
+    if (this._parseStack.state !== ParserStackType.NONE) {
+      this._parseStack.state = ParserStackType.RESET;
+      this._parseStack.handlers = []; // also release handlers ref
+    }
+  }
+
+  /**
+   * Async parse support.
+   */
+  protected _preserveStack(
+    state: ParserStackType,
+    handlers: ResumableHandlersType,
+    handlerPos: number,
+    transition: number,
+    chunkPos: number
+  ): void {
+    this._parseStack.state = state;
+    this._parseStack.handlers = handlers;
+    this._parseStack.handlerPos = handlerPos;
+    this._parseStack.transition = transition;
+    this._parseStack.chunkPos = chunkPos;
+  }
+
+  /**
+   * Parse UTF32 codepoints in `data` up to `length`.
+   *
+   * Note: For several actions with high data load the parsing is optimized
+   * by using local read ahead loops with hardcoded conditions to
+   * avoid costly table lookups. Make sure that any change of table values
+   * will be reflected in the loop conditions as well and vice versa.
+   * Affected states/actions:
+   * - GROUND:PRINT
+   * - CSI_PARAM:PARAM
+   * - DCS_PARAM:PARAM
+   * - OSC_STRING:OSC_PUT
+   * - DCS_PASSTHROUGH:DCS_PUT
+   *
+   * Note on asynchronous handler support:
+   * Any handler returning a promise will be treated as asynchronous.
+   * To keep the in-band blocking working for async handlers, `parse` pauses execution,
+   * creates a stack save and returns the promise to the caller.
+   * For proper continuation of the paused state it is important
+   * to await the promise resolving. On resolve the parse must be repeated
+   * with the same chunk of data and the resolved value in `promiseResult`
+   * until no promise is returned.
+   *
+   * Important: With only sync handlers defined, parsing is completely synchronous as well.
+   * As soon as an async handler is involved, synchronous parsing is not possible anymore.
+   *
+   * Boilerplate for proper parsing of multiple chunks with async handlers:
+   *
+   * ```typescript
+   * async function parseMultipleChunks(chunks: Uint32Array[]): Promise<void> {
+   *   for (const chunk of chunks) {
+   *     let result: void | Promise<boolean>;
+   *     let prev: boolean | undefined;
+   *     while (result = parser.parse(chunk, chunk.length, prev)) {
+   *       prev = await result;
+   *     }
+   *   }
+   *   // finished parsing all chunks...
+   * }
+   * ```
+   */
+  public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise<boolean> {
+    let code = 0;
+    let transition = 0;
+    let start = 0;
+    let handlerResult: void | boolean | Promise<boolean>;
+
+    // resume from async handler
+    if (this._parseStack.state) {
+      // allow sync parser reset even in continuation mode
+      // Note: can be used to recover parser from improper continuation error below
+      if (this._parseStack.state === ParserStackType.RESET) {
+        this._parseStack.state = ParserStackType.NONE;
+        start = this._parseStack.chunkPos + 1; // continue with next codepoint in GROUND
+      } else {
+        if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) {
+          /**
+           * Reject further parsing on improper continuation after pausing. This is a really bad
+           * condition with screwed up execution order and prolly messed up terminal state,
+           * therefore we exit hard with an exception and reject any further parsing.
+           *
+           * Note: With `Terminal.write` usage this exception should never occur, as the top level
+           * calls are guaranteed to handle async conditions properly. If you ever encounter this
+           * exception in your terminal integration it indicates, that you injected data chunks to
+           * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for
+           * continuation of a running async handler.
+           *
+           * It is possible to get rid of this error by calling `reset`. But dont rely on that, as
+           * the pending async handler still might mess up the terminal later. Instead fix the
+           * faulty async handling, so this error will not be thrown anymore.
+           */
+          this._parseStack.state = ParserStackType.FAIL;
+          throw new Error('improper continuation due to previous async handler, giving up parsing');
+        }
+
+        // we have to resume the old handler loop if:
+        // - return value of the promise was `false`
+        // - handlers are not exhausted yet
+        const handlers = this._parseStack.handlers;
+        let handlerPos = this._parseStack.handlerPos - 1;
+        switch (this._parseStack.state) {
+          case ParserStackType.CSI:
+            if (promiseResult === false && handlerPos > -1) {
+              for (; handlerPos >= 0; handlerPos--) {
+                handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params);
+                if (handlerResult === true) {
+                  break;
+                } else if (handlerResult instanceof Promise) {
+                  this._parseStack.handlerPos = handlerPos;
+                  return handlerResult;
+                }
+              }
+            }
+            this._parseStack.handlers = [];
+            break;
+          case ParserStackType.ESC:
+            if (promiseResult === false && handlerPos > -1) {
+              for (; handlerPos >= 0; handlerPos--) {
+                handlerResult = (handlers as EscHandlerType[])[handlerPos]();
+                if (handlerResult === true) {
+                  break;
+                } else if (handlerResult instanceof Promise) {
+                  this._parseStack.handlerPos = handlerPos;
+                  return handlerResult;
+                }
+              }
+            }
+            this._parseStack.handlers = [];
+            break;
+          case ParserStackType.DCS:
+            code = data[this._parseStack.chunkPos];
+            handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult);
+            if (handlerResult) {
+              return handlerResult;
+            }
+            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
+            this._params.reset();
+            this._params.addParam(0); // ZDM
+            this._collect = 0;
+            break;
+          case ParserStackType.OSC:
+            code = data[this._parseStack.chunkPos];
+            handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult);
+            if (handlerResult) {
+              return handlerResult;
+            }
+            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
+            this._params.reset();
+            this._params.addParam(0); // ZDM
+            this._collect = 0;
+            break;
+        }
+        // cleanup before continuing with the main sync loop
+        this._parseStack.state = ParserStackType.NONE;
+        start = this._parseStack.chunkPos + 1;
+        this.precedingJoinState = 0;
+        this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK;
+      }
+    }
+
+    // continue with main sync loop
+
+    // process input string
+    for (let i = start; i < length; ++i) {
+      code = data[i];
+
+      // normal transition & action lookup
+      transition = this._transitions.table[this.currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];
+      switch (transition >> TableAccess.TRANSITION_ACTION_SHIFT) {
+        case ParserAction.PRINT:
+          // read ahead with loop unrolling
+          // Note: 0x20 (SP) is included, 0x7F (DEL) is excluded
+          for (let j = i + 1; ; ++j) {
+            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+          }
+          break;
+        case ParserAction.EXECUTE:
+          if (this._executeHandlers[code]) this._executeHandlers[code]();
+          else this._executeHandlerFb(code);
+          this.precedingJoinState = 0;
+          break;
+        case ParserAction.IGNORE:
+          break;
+        case ParserAction.ERROR:
+          const inject: IParsingState = this._errorHandler(
+            {
+              position: i,
+              code,
+              currentState: this.currentState,
+              collect: this._collect,
+              params: this._params,
+              abort: false
+            });
+          if (inject.abort) return;
+          // inject values: currently not implemented
+          break;
+        case ParserAction.CSI_DISPATCH:
+          // Trigger CSI Handler
+          const handlers = this._csiHandlers[this._collect << 8 | code];
+          let j = handlers ? handlers.length - 1 : -1;
+          for (; j >= 0; j--) {
+            // true means success and to stop bubbling
+            // a promise indicates an async handler that needs to finish before progressing
+            handlerResult = handlers[j](this._params);
+            if (handlerResult === true) {
+              break;
+            } else if (handlerResult instanceof Promise) {
+              this._preserveStack(ParserStackType.CSI, handlers, j, transition, i);
+              return handlerResult;
+            }
+          }
+          if (j < 0) {
+            this._csiHandlerFb(this._collect << 8 | code, this._params);
+          }
+          this.precedingJoinState = 0;
+          break;
+        case ParserAction.PARAM:
+          // inner loop: digits (0x30 - 0x39) and ; (0x3b) and : (0x3a)
+          do {
+            switch (code) {
+              case 0x3b:
+                this._params.addParam(0);  // ZDM
+                break;
+              case 0x3a:
+                this._params.addSubParam(-1);
+                break;
+              default:  // 0x30 - 0x39
+                this._params.addDigit(code - 48);
+            }
+          } while (++i < length && (code = data[i]) > 0x2f && code < 0x3c);
+          i--;
+          break;
+        case ParserAction.COLLECT:
+          this._collect <<= 8;
+          this._collect |= code;
+          break;
+        case ParserAction.ESC_DISPATCH:
+          const handlersEsc = this._escHandlers[this._collect << 8 | code];
+          let jj = handlersEsc ? handlersEsc.length - 1 : -1;
+          for (; jj >= 0; jj--) {
+            // true means success and to stop bubbling
+            // a promise indicates an async handler that needs to finish before progressing
+            handlerResult = handlersEsc[jj]();
+            if (handlerResult === true) {
+              break;
+            } else if (handlerResult instanceof Promise) {
+              this._preserveStack(ParserStackType.ESC, handlersEsc, jj, transition, i);
+              return handlerResult;
+            }
+          }
+          if (jj < 0) {
+            this._escHandlerFb(this._collect << 8 | code);
+          }
+          this.precedingJoinState = 0;
+          break;
+        case ParserAction.CLEAR:
+          this._params.reset();
+          this._params.addParam(0); // ZDM
+          this._collect = 0;
+          break;
+        case ParserAction.DCS_HOOK:
+          this._dcsParser.hook(this._collect << 8 | code, this._params);
+          break;
+        case ParserAction.DCS_PUT:
+          // inner loop - exit DCS_PUT: 0x18, 0x1a, 0x1b, 0x7f, 0x80 - 0x9f
+          // unhook triggered by: 0x1b, 0x9c (success) and 0x18, 0x1a (abort)
+          for (let j = i + 1; ; ++j) {
+            if (j >= length || (code = data[j]) === 0x18 || code === 0x1a || code === 0x1b || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {
+              this._dcsParser.put(data, i, j);
+              i = j - 1;
+              break;
+            }
+          }
+          break;
+        case ParserAction.DCS_UNHOOK:
+          handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a);
+          if (handlerResult) {
+            this._preserveStack(ParserStackType.DCS, [], 0, transition, i);
+            return handlerResult;
+          }
+          if (code === 0x1b) transition |= ParserState.ESCAPE;
+          this._params.reset();
+          this._params.addParam(0); // ZDM
+          this._collect = 0;
+          this.precedingJoinState = 0;
+          break;
+        case ParserAction.OSC_START:
+          this._oscParser.start();
+          break;
+        case ParserAction.OSC_PUT:
+          // inner loop: 0x20 (SP) included, 0x7F (DEL) included
+          for (let j = i + 1; ; j++) {
+            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {
+              this._oscParser.put(data, i, j);
+              i = j - 1;
+              break;
+            }
+          }
+          break;
+        case ParserAction.OSC_END:
+          handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a);
+          if (handlerResult) {
+            this._preserveStack(ParserStackType.OSC, [], 0, transition, i);
+            return handlerResult;
+          }
+          if (code === 0x1b) transition |= ParserState.ESCAPE;
+          this._params.reset();
+          this._params.addParam(0); // ZDM
+          this._collect = 0;
+          this.precedingJoinState = 0;
+          break;
+      }
+      this.currentState = transition & TableAccess.TRANSITION_STATE_MASK;
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/parser/OscParser.ts b/web/public/node_modules/@xterm/xterm/src/common/parser/OscParser.ts
new file mode 100644
index 000000000..32710aedf
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/parser/OscParser.ts
@@ -0,0 +1,238 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser, ISubParserStackState } from 'common/parser/Types';
+import { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants';
+import { utf32ToString } from 'common/input/TextDecoder';
+import { IDisposable } from 'common/Types';
+
+const EMPTY_HANDLERS: IOscHandler[] = [];
+
+export class OscParser implements IOscParser {
+  private _state = OscState.START;
+  private _active = EMPTY_HANDLERS;
+  private _id = -1;
+  private _handlers: IHandlerCollection<IOscHandler> = Object.create(null);
+  private _handlerFb: OscFallbackHandlerType = () => { };
+  private _stack: ISubParserStackState = {
+    paused: false,
+    loopPosition: 0,
+    fallThrough: false
+  };
+
+  public registerHandler(ident: number, handler: IOscHandler): IDisposable {
+    if (this._handlers[ident] === undefined) {
+      this._handlers[ident] = [];
+    }
+    const handlerList = this._handlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+  public clearHandler(ident: number): void {
+    if (this._handlers[ident]) delete this._handlers[ident];
+  }
+  public setHandlerFallback(handler: OscFallbackHandlerType): void {
+    this._handlerFb = handler;
+  }
+
+  public dispose(): void {
+    this._handlers = Object.create(null);
+    this._handlerFb = () => { };
+    this._active = EMPTY_HANDLERS;
+  }
+
+  public reset(): void {
+    // force cleanup handlers if payload was already sent
+    if (this._state === OscState.PAYLOAD) {
+      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {
+        this._active[j].end(false);
+      }
+    }
+    this._stack.paused = false;
+    this._active = EMPTY_HANDLERS;
+    this._id = -1;
+    this._state = OscState.START;
+  }
+
+  private _start(): void {
+    this._active = this._handlers[this._id] || EMPTY_HANDLERS;
+    if (!this._active.length) {
+      this._handlerFb(this._id, 'START');
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].start();
+      }
+    }
+  }
+
+  private _put(data: Uint32Array, start: number, end: number): void {
+    if (!this._active.length) {
+      this._handlerFb(this._id, 'PUT', utf32ToString(data, start, end));
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].put(data, start, end);
+      }
+    }
+  }
+
+  public start(): void {
+    // always reset leftover handlers
+    this.reset();
+    this._state = OscState.ID;
+  }
+
+  /**
+   * Put data to current OSC command.
+   * Expects the identifier of the OSC command in the form
+   * OSC id ; payload ST/BEL
+   * Payload chunks are not further processed and get
+   * directly passed to the handlers.
+   */
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._state === OscState.ABORT) {
+      return;
+    }
+    if (this._state === OscState.ID) {
+      while (start < end) {
+        const code = data[start++];
+        if (code === 0x3b) {
+          this._state = OscState.PAYLOAD;
+          this._start();
+          break;
+        }
+        if (code < 0x30 || 0x39 < code) {
+          this._state = OscState.ABORT;
+          return;
+        }
+        if (this._id === -1) {
+          this._id = 0;
+        }
+        this._id = this._id * 10 + code - 48;
+      }
+    }
+    if (this._state === OscState.PAYLOAD && end - start > 0) {
+      this._put(data, start, end);
+    }
+  }
+
+  /**
+   * Indicates end of an OSC command.
+   * Whether the OSC got aborted or finished normally
+   * is indicated by `success`.
+   */
+  public end(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {
+    if (this._state === OscState.START) {
+      return;
+    }
+    // do nothing if command was faulty
+    if (this._state !== OscState.ABORT) {
+      // if we are still in ID state and get an early end
+      // means that the command has no payload thus we still have
+      // to announce START and send END right after
+      if (this._state === OscState.ID) {
+        this._start();
+      }
+
+      if (!this._active.length) {
+        this._handlerFb(this._id, 'END', success);
+      } else {
+        let handlerResult: boolean | Promise<boolean> = false;
+        let j = this._active.length - 1;
+        let fallThrough = false;
+        if (this._stack.paused) {
+          j = this._stack.loopPosition - 1;
+          handlerResult = promiseResult;
+          fallThrough = this._stack.fallThrough;
+          this._stack.paused = false;
+        }
+        if (!fallThrough && handlerResult === false) {
+          for (; j >= 0; j--) {
+            handlerResult = this._active[j].end(success);
+            if (handlerResult === true) {
+              break;
+            } else if (handlerResult instanceof Promise) {
+              this._stack.paused = true;
+              this._stack.loopPosition = j;
+              this._stack.fallThrough = false;
+              return handlerResult;
+            }
+          }
+          j--;
+        }
+        // cleanup left over handlers
+        // we always have to call .end for proper cleanup,
+        // here we use `success` to indicate whether a handler should execute
+        for (; j >= 0; j--) {
+          handlerResult = this._active[j].end(false);
+          if (handlerResult instanceof Promise) {
+            this._stack.paused = true;
+            this._stack.loopPosition = j;
+            this._stack.fallThrough = true;
+            return handlerResult;
+          }
+        }
+      }
+
+    }
+    this._active = EMPTY_HANDLERS;
+    this._id = -1;
+    this._state = OscState.START;
+  }
+}
+
+/**
+ * Convenient class to allow attaching string based handler functions
+ * as OSC handlers.
+ */
+export class OscHandler implements IOscHandler {
+  private _data = '';
+  private _hitLimit: boolean = false;
+
+  constructor(private _handler: (data: string) => boolean | Promise<boolean>) { }
+
+  public start(): void {
+    this._data = '';
+    this._hitLimit = false;
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._hitLimit) {
+      return;
+    }
+    this._data += utf32ToString(data, start, end);
+    if (this._data.length > PAYLOAD_LIMIT) {
+      this._data = '';
+      this._hitLimit = true;
+    }
+  }
+
+  public end(success: boolean): boolean | Promise<boolean> {
+    let ret: boolean | Promise<boolean> = false;
+    if (this._hitLimit) {
+      ret = false;
+    } else if (success) {
+      ret = this._handler(this._data);
+      if (ret instanceof Promise) {
+        // need to hold data until `ret` got resolved
+        // dont care for errors, data will be freed anyway on next start
+        return ret.then(res => {
+          this._data = '';
+          this._hitLimit = false;
+          return res;
+        });
+      }
+    }
+    this._data = '';
+    this._hitLimit = false;
+    return ret;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/parser/Params.ts b/web/public/node_modules/@xterm/xterm/src/common/parser/Params.ts
new file mode 100644
index 000000000..7071453d0
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/parser/Params.ts
@@ -0,0 +1,229 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IParams, ParamsArray } from 'common/parser/Types';
+
+// max value supported for a single param/subparam (clamped to positive int32 range)
+const MAX_VALUE = 0x7FFFFFFF;
+// max allowed subparams for a single sequence (hardcoded limitation)
+const MAX_SUBPARAMS = 256;
+
+/**
+ * Params storage class.
+ * This type is used by the parser to accumulate sequence parameters and sub parameters
+ * and transmit them to the input handler actions.
+ *
+ * NOTES:
+ *  - params object for action handlers is borrowed, use `.toArray` or `.clone` to get a copy
+ *  - never read beyond `params.length - 1` (likely to contain arbitrary data)
+ *  - `.getSubParams` returns a borrowed typed array, use `.getSubParamsAll` for cloned sub params
+ *  - hardcoded limitations:
+ *    - max. value for a single (sub) param is 2^31 - 1 (greater values are clamped to that)
+ *    - max. 256 sub params possible
+ *    - negative values are not allowed beside -1 (placeholder for default value)
+ *
+ * About ZDM (Zero Default Mode):
+ * ZDM is not orchestrated by this class. If the parser is in ZDM,
+ * it should add 0 for empty params, otherwise -1. This does not apply
+ * to subparams, empty subparams should always be added with -1.
+ */
+export class Params implements IParams {
+  // params store and length
+  public params: Int32Array;
+  public length: number;
+
+  // sub params store and length
+  protected _subParams: Int32Array;
+  protected _subParamsLength: number;
+
+  // sub params offsets from param: param idx --> [start, end] offset
+  private _subParamsIdx: Uint16Array;
+  private _rejectDigits: boolean;
+  private _rejectSubDigits: boolean;
+  private _digitIsSub: boolean;
+
+  /**
+   * Create a `Params` type from JS array representation.
+   */
+  public static fromArray(values: ParamsArray): Params {
+    const params = new Params();
+    if (!values.length) {
+      return params;
+    }
+    // skip leading sub params
+    for (let i = (Array.isArray(values[0])) ? 1 : 0; i < values.length; ++i) {
+      const value = values[i];
+      if (Array.isArray(value)) {
+        for (let k = 0; k < value.length; ++k) {
+          params.addSubParam(value[k]);
+        }
+      } else {
+        params.addParam(value);
+      }
+    }
+    return params;
+  }
+
+  /**
+   * @param maxLength max length of storable parameters
+   * @param maxSubParamsLength max length of storable sub parameters
+   */
+  constructor(public maxLength: number = 32, public maxSubParamsLength: number = 32) {
+    if (maxSubParamsLength > MAX_SUBPARAMS) {
+      throw new Error('maxSubParamsLength must not be greater than 256');
+    }
+    this.params = new Int32Array(maxLength);
+    this.length = 0;
+    this._subParams = new Int32Array(maxSubParamsLength);
+    this._subParamsLength = 0;
+    this._subParamsIdx = new Uint16Array(maxLength);
+    this._rejectDigits = false;
+    this._rejectSubDigits = false;
+    this._digitIsSub = false;
+  }
+
+  /**
+   * Clone object.
+   */
+  public clone(): Params {
+    const newParams = new Params(this.maxLength, this.maxSubParamsLength);
+    newParams.params.set(this.params);
+    newParams.length = this.length;
+    newParams._subParams.set(this._subParams);
+    newParams._subParamsLength = this._subParamsLength;
+    newParams._subParamsIdx.set(this._subParamsIdx);
+    newParams._rejectDigits = this._rejectDigits;
+    newParams._rejectSubDigits = this._rejectSubDigits;
+    newParams._digitIsSub = this._digitIsSub;
+    return newParams;
+  }
+
+  /**
+   * Get a JS array representation of the current parameters and sub parameters.
+   * The array is structured as follows:
+   *    sequence: "1;2:3:4;5::6"
+   *    array   : [1, 2, [3, 4], 5, [-1, 6]]
+   */
+  public toArray(): ParamsArray {
+    const res: ParamsArray = [];
+    for (let i = 0; i < this.length; ++i) {
+      res.push(this.params[i]);
+      const start = this._subParamsIdx[i] >> 8;
+      const end = this._subParamsIdx[i] & 0xFF;
+      if (end - start > 0) {
+        res.push(Array.prototype.slice.call(this._subParams, start, end));
+      }
+    }
+    return res;
+  }
+
+  /**
+   * Reset to initial empty state.
+   */
+  public reset(): void {
+    this.length = 0;
+    this._subParamsLength = 0;
+    this._rejectDigits = false;
+    this._rejectSubDigits = false;
+    this._digitIsSub = false;
+  }
+
+  /**
+   * Add a parameter value.
+   * `Params` only stores up to `maxLength` parameters, any later
+   * parameter will be ignored.
+   * Note: VT devices only stored up to 16 values, xterm seems to
+   * store up to 30.
+   */
+  public addParam(value: number): void {
+    this._digitIsSub = false;
+    if (this.length >= this.maxLength) {
+      this._rejectDigits = true;
+      return;
+    }
+    if (value < -1) {
+      throw new Error('values lesser than -1 are not allowed');
+    }
+    this._subParamsIdx[this.length] = this._subParamsLength << 8 | this._subParamsLength;
+    this.params[this.length++] = value > MAX_VALUE ? MAX_VALUE : value;
+  }
+
+  /**
+   * Add a sub parameter value.
+   * The sub parameter is automatically associated with the last parameter value.
+   * Thus it is not possible to add a subparameter without any parameter added yet.
+   * `Params` only stores up to `subParamsLength` sub parameters, any later
+   * sub parameter will be ignored.
+   */
+  public addSubParam(value: number): void {
+    this._digitIsSub = true;
+    if (!this.length) {
+      return;
+    }
+    if (this._rejectDigits || this._subParamsLength >= this.maxSubParamsLength) {
+      this._rejectSubDigits = true;
+      return;
+    }
+    if (value < -1) {
+      throw new Error('values lesser than -1 are not allowed');
+    }
+    this._subParams[this._subParamsLength++] = value > MAX_VALUE ? MAX_VALUE : value;
+    this._subParamsIdx[this.length - 1]++;
+  }
+
+  /**
+   * Whether parameter at index `idx` has sub parameters.
+   */
+  public hasSubParams(idx: number): boolean {
+    return ((this._subParamsIdx[idx] & 0xFF) - (this._subParamsIdx[idx] >> 8) > 0);
+  }
+
+  /**
+   * Return sub parameters for parameter at index `idx`.
+   * Note: The values are borrowed, thus you need to copy
+   * the values if you need to hold them in nonlocal scope.
+   */
+  public getSubParams(idx: number): Int32Array | null {
+    const start = this._subParamsIdx[idx] >> 8;
+    const end = this._subParamsIdx[idx] & 0xFF;
+    if (end - start > 0) {
+      return this._subParams.subarray(start, end);
+    }
+    return null;
+  }
+
+  /**
+   * Return all sub parameters as {idx: subparams} mapping.
+   * Note: The values are not borrowed.
+   */
+  public getSubParamsAll(): {[idx: number]: Int32Array} {
+    const result: {[idx: number]: Int32Array} = {};
+    for (let i = 0; i < this.length; ++i) {
+      const start = this._subParamsIdx[i] >> 8;
+      const end = this._subParamsIdx[i] & 0xFF;
+      if (end - start > 0) {
+        result[i] = this._subParams.slice(start, end);
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Add a single digit value to current parameter.
+   * This is used by the parser to account digits on a char by char basis.
+   */
+  public addDigit(value: number): void {
+    let length;
+    if (this._rejectDigits
+      || !(length = this._digitIsSub ? this._subParamsLength : this.length)
+      || (this._digitIsSub && this._rejectSubDigits)
+    ) {
+      return;
+    }
+
+    const store = this._digitIsSub ? this._subParams : this.params;
+    const cur = store[length - 1];
+    store[length - 1] = ~cur ? Math.min(cur * 10 + value, MAX_VALUE) : value;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/parser/Types.d.ts b/web/public/node_modules/@xterm/xterm/src/common/parser/Types.d.ts
new file mode 100644
index 000000000..2ed4acdca
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/parser/Types.d.ts
@@ -0,0 +1,275 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { ParserState } from 'common/parser/Constants';
+
+
+/** sequence params serialized to js arrays */
+export type ParamsArray = (number | number[])[];
+
+/** Params constructor type. */
+export interface IParamsConstructor {
+  new(maxLength: number, maxSubParamsLength: number): IParams;
+
+  /** create params from ParamsArray */
+  fromArray(values: ParamsArray): IParams;
+}
+
+/** Interface of Params storage class. */
+export interface IParams {
+  /** from ctor */
+  maxLength: number;
+  maxSubParamsLength: number;
+
+  /** param values and its length */
+  params: Int32Array;
+  length: number;
+
+  /** methods */
+  clone(): IParams;
+  toArray(): ParamsArray;
+  reset(): void;
+  addParam(value: number): void;
+  addSubParam(value: number): void;
+  hasSubParams(idx: number): boolean;
+  getSubParams(idx: number): Int32Array | null;
+  getSubParamsAll(): {[idx: number]: Int32Array};
+}
+
+/**
+ * Internal state of EscapeSequenceParser.
+ * Used as argument of the error handler to allow
+ * introspection at runtime on parse errors.
+ * Return it with altered values to recover from
+ * faulty states (not yet supported).
+ * Set `abort` to `true` to abort the current parsing.
+ */
+export interface IParsingState {
+  // position in parse string
+  position: number;
+  // actual character code
+  code: number;
+  // current parser state
+  currentState: ParserState;
+  // collect buffer with intermediate characters
+  collect: number;
+  // params buffer
+  params: IParams;
+  // should abort (default: false)
+  abort: boolean;
+}
+
+/**
+ * Command handler interfaces.
+ */
+
+/**
+ * CSI handler types.
+ * Note: `params` is borrowed.
+ */
+export type CsiHandlerType = (params: IParams) => boolean | Promise<boolean>;
+export type CsiFallbackHandlerType = (ident: number, params: IParams) => void;
+
+/**
+ * DCS handler types.
+ */
+export interface IDcsHandler {
+  /**
+   * Called when a DCS command starts.
+   * Prepare needed data structures here.
+   * Note: `params` is borrowed.
+   */
+  hook(params: IParams): void;
+  /**
+   * Incoming payload chunk.
+   * Note: `params` is borrowed.
+   */
+  put(data: Uint32Array, start: number, end: number): void;
+  /**
+   * End of DCS command. `success` indicates whether the
+   * command finished normally or got aborted, thus final
+   * execution of the command should depend on `success`.
+   * To save memory also cleanup data structures here.
+   */
+  unhook(success: boolean): boolean | Promise<boolean>;
+}
+export type DcsFallbackHandlerType = (ident: number, action: 'HOOK' | 'PUT' | 'UNHOOK', payload?: any) => void;
+
+/**
+ * ESC handler types.
+ */
+export type EscHandlerType = () => boolean | Promise<boolean>;
+export type EscFallbackHandlerType = (identifier: number) => void;
+
+/**
+ * EXECUTE handler types.
+ */
+export type ExecuteHandlerType = () => boolean;
+export type ExecuteFallbackHandlerType = (ident: number) => void;
+
+/**
+ * OSC handler types.
+ */
+export interface IOscHandler {
+  /**
+   * Announces start of this OSC command.
+   * Prepare needed data structures here.
+   */
+  start(): void;
+  /**
+   * Incoming data chunk.
+   * Note: Data is borrowed.
+   */
+  put(data: Uint32Array, start: number, end: number): void;
+  /**
+   * End of OSC command. `success` indicates whether the
+   * command finished normally or got aborted, thus final
+   * execution of the command should depend on `success`.
+   * To save memory also cleanup data structures here.
+   */
+  end(success: boolean): boolean | Promise<boolean>;
+}
+export type OscFallbackHandlerType = (ident: number, action: 'START' | 'PUT' | 'END', payload?: any) => void;
+
+/**
+ * PRINT handler types.
+ */
+export type PrintHandlerType = (data: Uint32Array, start: number, end: number) => void;
+export type PrintFallbackHandlerType = PrintHandlerType;
+
+
+/**
+ * EscapeSequenceParser interface.
+ */
+export interface IEscapeSequenceParser extends IDisposable {
+  /**
+   * Preceding grapheme-join-state.
+   * Used for joining grapheme clusters across calls to `print`.
+   * Also used by REP to check if repeating a character is allowed.
+   * It gets reset by the parser for any valid sequence besides text.
+   */
+  precedingJoinState: number; // More specifically: UnicodeJoinProperties
+
+  /**
+   * Reset the parser to its initial state (handlers are kept).
+   */
+  reset(): void;
+
+  /**
+   * Parse UTF32 codepoints in `data` up to `length`.
+   * @param data The data to parse.
+   */
+  parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise<boolean>;
+
+  /**
+   * Get string from numercial function identifier `ident`.
+   * Useful in fallback handlers which expose the low level
+   * numcerical function identifier for debugging purposes.
+   * Note: A full back translation to `IFunctionIdentifier`
+   * is not implemented.
+   */
+  identToString(ident: number): string;
+
+  setPrintHandler(handler: PrintHandlerType): void;
+  clearPrintHandler(): void;
+
+  registerEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable;
+  clearEscHandler(id: IFunctionIdentifier): void;
+  setEscHandlerFallback(handler: EscFallbackHandlerType): void;
+
+  setExecuteHandler(flag: string, handler: ExecuteHandlerType): void;
+  clearExecuteHandler(flag: string): void;
+  setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void;
+
+  registerCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable;
+  clearCsiHandler(id: IFunctionIdentifier): void;
+  setCsiHandlerFallback(callback: CsiFallbackHandlerType): void;
+
+  registerDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable;
+  clearDcsHandler(id: IFunctionIdentifier): void;
+  setDcsHandlerFallback(handler: DcsFallbackHandlerType): void;
+
+  registerOscHandler(ident: number, handler: IOscHandler): IDisposable;
+  clearOscHandler(ident: number): void;
+  setOscHandlerFallback(handler: OscFallbackHandlerType): void;
+
+  setErrorHandler(handler: (state: IParsingState) => IParsingState): void;
+  clearErrorHandler(): void;
+}
+
+/**
+ * Subparser interfaces.
+ * The subparsers are instantiated in `EscapeSequenceParser` and
+ * called during `EscapeSequenceParser.parse`.
+ */
+export interface ISubParser<T, U> extends IDisposable {
+  reset(): void;
+  registerHandler(ident: number, handler: T): IDisposable;
+  clearHandler(ident: number): void;
+  setHandlerFallback(handler: U): void;
+  put(data: Uint32Array, start: number, end: number): void;
+}
+
+export interface IOscParser extends ISubParser<IOscHandler, OscFallbackHandlerType> {
+  start(): void;
+  end(success: boolean, promiseResult?: boolean): void | Promise<boolean>;
+}
+
+export interface IDcsParser extends ISubParser<IDcsHandler, DcsFallbackHandlerType> {
+  hook(ident: number, params: IParams): void;
+  unhook(success: boolean, promiseResult?: boolean): void | Promise<boolean>;
+}
+
+/**
+ * Interface to denote a specific ESC, CSI or DCS handler slot.
+ * The values are used to create an integer respresentation during handler
+ * regristation before passed to the subparsers as `ident`.
+ * The integer translation is made to allow a faster handler access
+ * in `EscapeSequenceParser.parse`.
+ */
+export interface IFunctionIdentifier {
+  prefix?: string;
+  intermediates?: string;
+  final: string;
+}
+
+export interface IHandlerCollection<T> {
+  [key: string]: T[];
+}
+
+/**
+ * Types for async parser support.
+ */
+
+// type of saved stack state in parser
+export const enum ParserStackType {
+  NONE = 0,
+  FAIL,
+  RESET,
+  CSI,
+  ESC,
+  OSC,
+  DCS
+}
+
+// aggregate of resumable handler lists
+export type ResumableHandlersType = CsiHandlerType[] | EscHandlerType[];
+
+// saved stack state of the parser
+export interface IParserStackState {
+  state: ParserStackType;
+  handlers: ResumableHandlersType;
+  handlerPos: number;
+  transition: number;
+  chunkPos: number;
+}
+
+// saved stack state of subparser (OSC and DCS)
+export interface ISubParserStackState {
+  paused: boolean;
+  loopPosition: number;
+  fallThrough: boolean;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/public/AddonManager.ts b/web/public/node_modules/@xterm/xterm/src/common/public/AddonManager.ts
new file mode 100644
index 000000000..9a36e2a0e
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/public/AddonManager.ts
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ITerminalAddon, IDisposable, Terminal } from '@xterm/xterm';
+
+export interface ILoadedAddon {
+  instance: ITerminalAddon;
+  dispose: () => void;
+  isDisposed: boolean;
+}
+
+export class AddonManager implements IDisposable {
+  protected _addons: ILoadedAddon[] = [];
+
+  public dispose(): void {
+    for (let i = this._addons.length - 1; i >= 0; i--) {
+      this._addons[i].instance.dispose();
+    }
+  }
+
+  public loadAddon(terminal: Terminal, instance: ITerminalAddon): void {
+    const loadedAddon: ILoadedAddon = {
+      instance,
+      dispose: instance.dispose,
+      isDisposed: false
+    };
+    this._addons.push(loadedAddon);
+    instance.dispose = () => this._wrappedAddonDispose(loadedAddon);
+    instance.activate(terminal as any);
+  }
+
+  private _wrappedAddonDispose(loadedAddon: ILoadedAddon): void {
+    if (loadedAddon.isDisposed) {
+      // Do nothing if already disposed
+      return;
+    }
+    let index = -1;
+    for (let i = 0; i < this._addons.length; i++) {
+      if (this._addons[i] === loadedAddon) {
+        index = i;
+        break;
+      }
+    }
+    if (index === -1) {
+      throw new Error('Could not dispose an addon that has not been loaded');
+    }
+    loadedAddon.isDisposed = true;
+    loadedAddon.dispose.apply(loadedAddon.instance);
+    this._addons.splice(index, 1);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/public/BufferApiView.ts b/web/public/node_modules/@xterm/xterm/src/common/public/BufferApiView.ts
new file mode 100644
index 000000000..834cedbee
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/public/BufferApiView.ts
@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBuffer as IBufferApi, IBufferLine as IBufferLineApi, IBufferCell as IBufferCellApi } from '@xterm/xterm';
+import { IBuffer } from 'common/buffer/Types';
+import { BufferLineApiView } from 'common/public/BufferLineApiView';
+import { CellData } from 'common/buffer/CellData';
+
+export class BufferApiView implements IBufferApi {
+  constructor(
+    private _buffer: IBuffer,
+    public readonly type: 'normal' | 'alternate'
+  ) { }
+
+  public init(buffer: IBuffer): BufferApiView {
+    this._buffer = buffer;
+    return this;
+  }
+
+  public get cursorY(): number { return this._buffer.y; }
+  public get cursorX(): number { return this._buffer.x; }
+  public get viewportY(): number { return this._buffer.ydisp; }
+  public get baseY(): number { return this._buffer.ybase; }
+  public get length(): number { return this._buffer.lines.length; }
+  public getLine(y: number): IBufferLineApi | undefined {
+    const line = this._buffer.lines.get(y);
+    if (!line) {
+      return undefined;
+    }
+    return new BufferLineApiView(line);
+  }
+  public getNullCell(): IBufferCellApi { return new CellData(); }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/public/BufferLineApiView.ts b/web/public/node_modules/@xterm/xterm/src/common/public/BufferLineApiView.ts
new file mode 100644
index 000000000..560dd0bfd
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/public/BufferLineApiView.ts
@@ -0,0 +1,29 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CellData } from 'common/buffer/CellData';
+import { IBufferLine, ICellData } from 'common/Types';
+import { IBufferCell as IBufferCellApi, IBufferLine as IBufferLineApi } from '@xterm/xterm';
+
+export class BufferLineApiView implements IBufferLineApi {
+  constructor(private _line: IBufferLine) { }
+
+  public get isWrapped(): boolean { return this._line.isWrapped; }
+  public get length(): number { return this._line.length; }
+  public getCell(x: number, cell?: IBufferCellApi): IBufferCellApi | undefined {
+    if (x < 0 || x >= this._line.length) {
+      return undefined;
+    }
+
+    if (cell) {
+      this._line.loadCell(x, cell as ICellData);
+      return cell;
+    }
+    return this._line.loadCell(x, new CellData());
+  }
+  public translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string {
+    return this._line.translateToString(trimRight, startColumn, endColumn);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/public/BufferNamespaceApi.ts b/web/public/node_modules/@xterm/xterm/src/common/public/BufferNamespaceApi.ts
new file mode 100644
index 000000000..cef0ed164
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/public/BufferNamespaceApi.ts
@@ -0,0 +1,36 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBuffer as IBufferApi, IBufferNamespace as IBufferNamespaceApi } from '@xterm/xterm';
+import { BufferApiView } from 'common/public/BufferApiView';
+import { EventEmitter } from 'common/EventEmitter';
+import { ICoreTerminal } from 'common/Types';
+import { Disposable } from 'common/Lifecycle';
+
+export class BufferNamespaceApi extends Disposable implements IBufferNamespaceApi {
+  private _normal: BufferApiView;
+  private _alternate: BufferApiView;
+
+  private readonly _onBufferChange = this.register(new EventEmitter<IBufferApi>());
+  public readonly onBufferChange = this._onBufferChange.event;
+
+  constructor(private _core: ICoreTerminal) {
+    super();
+    this._normal = new BufferApiView(this._core.buffers.normal, 'normal');
+    this._alternate = new BufferApiView(this._core.buffers.alt, 'alternate');
+    this._core.buffers.onBufferActivate(() => this._onBufferChange.fire(this.active));
+  }
+  public get active(): IBufferApi {
+    if (this._core.buffers.active === this._core.buffers.normal) { return this.normal; }
+    if (this._core.buffers.active === this._core.buffers.alt) { return this.alternate; }
+    throw new Error('Active buffer is neither normal nor alternate');
+  }
+  public get normal(): IBufferApi {
+    return this._normal.init(this._core.buffers.normal);
+  }
+  public get alternate(): IBufferApi {
+    return this._alternate.init(this._core.buffers.alt);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/public/ParserApi.ts b/web/public/node_modules/@xterm/xterm/src/common/public/ParserApi.ts
new file mode 100644
index 000000000..afcc01beb
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/public/ParserApi.ts
@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IParams } from 'common/parser/Types';
+import { IDisposable, IFunctionIdentifier, IParser } from '@xterm/xterm';
+import { ICoreTerminal } from 'common/Types';
+
+export class ParserApi implements IParser {
+  constructor(private _core: ICoreTerminal) { }
+
+  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerCsiHandler(id, (params: IParams) => callback(params.toArray()));
+  }
+  public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this.registerCsiHandler(id, callback);
+  }
+  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray()));
+  }
+  public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this.registerDcsHandler(id, callback);
+  }
+  public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerEscHandler(id, handler);
+  }
+  public addEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {
+    return this.registerEscHandler(id, handler);
+  }
+  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerOscHandler(ident, callback);
+  }
+  public addOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this.registerOscHandler(ident, callback);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/public/UnicodeApi.ts b/web/public/node_modules/@xterm/xterm/src/common/public/UnicodeApi.ts
new file mode 100644
index 000000000..ec9bd1f77
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/public/UnicodeApi.ts
@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICoreTerminal } from 'common/Types';
+import { IUnicodeHandling, IUnicodeVersionProvider } from '@xterm/xterm';
+
+export class UnicodeApi implements IUnicodeHandling {
+  constructor(private _core: ICoreTerminal) { }
+
+  public register(provider: IUnicodeVersionProvider): void {
+    this._core.unicodeService.register(provider);
+  }
+
+  public get versions(): string[] {
+    return this._core.unicodeService.versions;
+  }
+
+  public get activeVersion(): string {
+    return this._core.unicodeService.activeVersion;
+  }
+
+  public set activeVersion(version: string) {
+    this._core.unicodeService.activeVersion = version;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/BufferService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/BufferService.ts
new file mode 100644
index 000000000..d20d0ceac
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/BufferService.ts
@@ -0,0 +1,151 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IAttributeData, IBufferLine, ScrollSource } from 'common/Types';
+import { BufferSet } from 'common/buffer/BufferSet';
+import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+export const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars
+export const MINIMUM_ROWS = 1;
+
+export class BufferService extends Disposable implements IBufferService {
+  public serviceBrand: any;
+
+  public cols: number;
+  public rows: number;
+  public buffers: IBufferSet;
+  /** Whether the user is scrolling (locks the scroll position) */
+  public isUserScrolling: boolean = false;
+
+  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());
+  public readonly onResize = this._onResize.event;
+  private readonly _onScroll = this.register(new EventEmitter<number>());
+  public readonly onScroll = this._onScroll.event;
+
+  public get buffer(): IBuffer { return this.buffers.active; }
+
+  /** An IBufferline to clone/copy from for new blank lines */
+  private _cachedBlankLine: IBufferLine | undefined;
+
+  constructor(@IOptionsService optionsService: IOptionsService) {
+    super();
+    this.cols = Math.max(optionsService.rawOptions.cols || 0, MINIMUM_COLS);
+    this.rows = Math.max(optionsService.rawOptions.rows || 0, MINIMUM_ROWS);
+    this.buffers = this.register(new BufferSet(optionsService, this));
+  }
+
+  public resize(cols: number, rows: number): void {
+    this.cols = cols;
+    this.rows = rows;
+    this.buffers.resize(cols, rows);
+    // TODO: This doesn't fire when scrollback changes - add a resize event to BufferSet and forward
+    //       event
+    this._onResize.fire({ cols, rows });
+  }
+
+  public reset(): void {
+    this.buffers.reset();
+    this.isUserScrolling = false;
+  }
+
+  /**
+   * Scroll the terminal down 1 row, creating a blank line.
+   * @param eraseAttr The attribute data to use the for blank line.
+   * @param isWrapped Whether the new line is wrapped from the previous line.
+   */
+  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {
+    const buffer = this.buffer;
+
+    let newLine: IBufferLine | undefined;
+    newLine = this._cachedBlankLine;
+    if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {
+      newLine = buffer.getBlankLine(eraseAttr, isWrapped);
+      this._cachedBlankLine = newLine;
+    }
+    newLine.isWrapped = isWrapped;
+
+    const topRow = buffer.ybase + buffer.scrollTop;
+    const bottomRow = buffer.ybase + buffer.scrollBottom;
+
+    if (buffer.scrollTop === 0) {
+      // Determine whether the buffer is going to be trimmed after insertion.
+      const willBufferBeTrimmed = buffer.lines.isFull;
+
+      // Insert the line using the fastest method
+      if (bottomRow === buffer.lines.length - 1) {
+        if (willBufferBeTrimmed) {
+          buffer.lines.recycle().copyFrom(newLine);
+        } else {
+          buffer.lines.push(newLine.clone());
+        }
+      } else {
+        buffer.lines.splice(bottomRow + 1, 0, newLine.clone());
+      }
+
+      // Only adjust ybase and ydisp when the buffer is not trimmed
+      if (!willBufferBeTrimmed) {
+        buffer.ybase++;
+        // Only scroll the ydisp with ybase if the user has not scrolled up
+        if (!this.isUserScrolling) {
+          buffer.ydisp++;
+        }
+      } else {
+        // When the buffer is full and the user has scrolled up, keep the text
+        // stable unless ydisp is right at the top
+        if (this.isUserScrolling) {
+          buffer.ydisp = Math.max(buffer.ydisp - 1, 0);
+        }
+      }
+    } else {
+      // scrollTop is non-zero which means no line will be going to the
+      // scrollback, instead we can just shift them in-place.
+      const scrollRegionHeight = bottomRow - topRow + 1 /* as it's zero-based */;
+      buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);
+      buffer.lines.set(bottomRow, newLine.clone());
+    }
+
+    // Move the viewport to the bottom of the buffer unless the user is
+    // scrolling.
+    if (!this.isUserScrolling) {
+      buffer.ydisp = buffer.ybase;
+    }
+
+    this._onScroll.fire(buffer.ydisp);
+  }
+
+  /**
+   * Scroll the display of the terminal
+   * @param disp The number of lines to scroll down (negative scroll up).
+   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used
+   * to avoid unwanted events being handled by the viewport when the event was triggered from the
+   * viewport originally.
+   */
+  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {
+    const buffer = this.buffer;
+    if (disp < 0) {
+      if (buffer.ydisp === 0) {
+        return;
+      }
+      this.isUserScrolling = true;
+    } else if (disp + buffer.ydisp >= buffer.ybase) {
+      this.isUserScrolling = false;
+    }
+
+    const oldYdisp = buffer.ydisp;
+    buffer.ydisp = Math.max(Math.min(buffer.ydisp + disp, buffer.ybase), 0);
+
+    // No change occurred, don't trigger scroll/refresh
+    if (oldYdisp === buffer.ydisp) {
+      return;
+    }
+
+    if (!suppressScrollEvent) {
+      this._onScroll.fire(buffer.ydisp);
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/CharsetService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/CharsetService.ts
new file mode 100644
index 000000000..c5381065a
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/CharsetService.ts
@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharsetService } from 'common/services/Services';
+import { ICharset } from 'common/Types';
+
+export class CharsetService implements ICharsetService {
+  public serviceBrand: any;
+
+  public charset: ICharset | undefined;
+  public glevel: number = 0;
+
+  private _charsets: (ICharset | undefined)[] = [];
+
+  public reset(): void {
+    this.charset = undefined;
+    this._charsets = [];
+    this.glevel = 0;
+  }
+
+  public setgLevel(g: number): void {
+    this.glevel = g;
+    this.charset = this._charsets[g];
+  }
+
+  public setgCharset(g: number, charset: ICharset | undefined): void {
+    this._charsets[g] = charset;
+    if (this.glevel === g) {
+      this.charset = charset;
+    }
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/CoreMouseService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/CoreMouseService.ts
new file mode 100644
index 000000000..fd880a5d9
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/CoreMouseService.ts
@@ -0,0 +1,318 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IBufferService, ICoreService, ICoreMouseService } from 'common/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { ICoreMouseProtocol, ICoreMouseEvent, CoreMouseEncoding, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';
+import { Disposable } from 'common/Lifecycle';
+
+/**
+ * Supported default protocols.
+ */
+const DEFAULT_PROTOCOLS: { [key: string]: ICoreMouseProtocol } = {
+  /**
+   * NONE
+   * Events: none
+   * Modifiers: none
+   */
+  NONE: {
+    events: CoreMouseEventType.NONE,
+    restrict: () => false
+  },
+  /**
+   * X10
+   * Events: mousedown
+   * Modifiers: none
+   */
+  X10: {
+    events: CoreMouseEventType.DOWN,
+    restrict: (e: ICoreMouseEvent) => {
+      // no wheel, no move, no up
+      if (e.button === CoreMouseButton.WHEEL || e.action !== CoreMouseAction.DOWN) {
+        return false;
+      }
+      // no modifiers
+      e.ctrl = false;
+      e.alt = false;
+      e.shift = false;
+      return true;
+    }
+  },
+  /**
+   * VT200
+   * Events: mousedown / mouseup / wheel
+   * Modifiers: all
+   */
+  VT200: {
+    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL,
+    restrict: (e: ICoreMouseEvent) => {
+      // no move
+      if (e.action === CoreMouseAction.MOVE) {
+        return false;
+      }
+      return true;
+    }
+  },
+  /**
+   * DRAG
+   * Events: mousedown / mouseup / wheel / mousedrag
+   * Modifiers: all
+   */
+  DRAG: {
+    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL | CoreMouseEventType.DRAG,
+    restrict: (e: ICoreMouseEvent) => {
+      // no move without button
+      if (e.action === CoreMouseAction.MOVE && e.button === CoreMouseButton.NONE) {
+        return false;
+      }
+      return true;
+    }
+  },
+  /**
+   * ANY
+   * Events: all mouse related events
+   * Modifiers: all
+   */
+  ANY: {
+    events:
+      CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL
+      | CoreMouseEventType.DRAG | CoreMouseEventType.MOVE,
+    restrict: (e: ICoreMouseEvent) => true
+  }
+};
+
+const enum Modifiers {
+  SHIFT = 4,
+  ALT = 8,
+  CTRL = 16
+}
+
+// helper for default encoders to generate the event code.
+function eventCode(e: ICoreMouseEvent, isSGR: boolean): number {
+  let code = (e.ctrl ? Modifiers.CTRL : 0) | (e.shift ? Modifiers.SHIFT : 0) | (e.alt ? Modifiers.ALT : 0);
+  if (e.button === CoreMouseButton.WHEEL) {
+    code |= 64;
+    code |= e.action;
+  } else {
+    code |= e.button & 3;
+    if (e.button & 4) {
+      code |= 64;
+    }
+    if (e.button & 8) {
+      code |= 128;
+    }
+    if (e.action === CoreMouseAction.MOVE) {
+      code |= CoreMouseAction.MOVE;
+    } else if (e.action === CoreMouseAction.UP && !isSGR) {
+      // special case - only SGR can report button on release
+      // all others have to go with NONE
+      code |= CoreMouseButton.NONE;
+    }
+  }
+  return code;
+}
+
+const S = String.fromCharCode;
+
+/**
+ * Supported default encodings.
+ */
+const DEFAULT_ENCODINGS: { [key: string]: CoreMouseEncoding } = {
+  /**
+   * DEFAULT - CSI M Pb Px Py
+   * Single byte encoding for coords and event code.
+   * Can encode values up to 223 (1-based).
+   */
+  DEFAULT: (e: ICoreMouseEvent) => {
+    const params = [eventCode(e, false) + 32, e.col + 32, e.row + 32];
+    // supress mouse report if we exceed addressible range
+    // Note this is handled differently by emulators
+    // - xterm:         sends 0;0 coords instead
+    // - vte, konsole:  no report
+    if (params[0] > 255 || params[1] > 255 || params[2] > 255) {
+      return '';
+    }
+    return `\x1b[M${S(params[0])}${S(params[1])}${S(params[2])}`;
+  },
+  /**
+   * SGR - CSI < Pb ; Px ; Py M|m
+   * No encoding limitation.
+   * Can report button on release and works with a well formed sequence.
+   */
+  SGR: (e: ICoreMouseEvent) => {
+    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';
+    return `\x1b[<${eventCode(e, true)};${e.col};${e.row}${final}`;
+  },
+  SGR_PIXELS: (e: ICoreMouseEvent) => {
+    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';
+    return `\x1b[<${eventCode(e, true)};${e.x};${e.y}${final}`;
+  }
+};
+
+/**
+ * CoreMouseService
+ *
+ * Provides mouse tracking reports with different protocols and encodings.
+ *  - protocols: NONE (default), X10, VT200, DRAG, ANY
+ *  - encodings: DEFAULT, SGR (UTF8, URXVT removed in #2507)
+ *
+ * Custom protocols/encodings can be added by `addProtocol` / `addEncoding`.
+ * To activate a protocol/encoding, set `activeProtocol` / `activeEncoding`.
+ * Switching a protocol will send a notification event `onProtocolChange`
+ * with a list of needed events to track.
+ *
+ * The service handles the mouse tracking state and decides whether to send
+ * a tracking report to the backend based on protocol and encoding limitations.
+ * To send a mouse event call `triggerMouseEvent`.
+ */
+export class CoreMouseService extends Disposable implements ICoreMouseService {
+  private _protocols: { [name: string]: ICoreMouseProtocol } = {};
+  private _encodings: { [name: string]: CoreMouseEncoding } = {};
+  private _activeProtocol: string = '';
+  private _activeEncoding: string = '';
+  private _lastEvent: ICoreMouseEvent | null = null;
+
+  private readonly _onProtocolChange = this.register(new EventEmitter<CoreMouseEventType>());
+  public readonly onProtocolChange =  this._onProtocolChange.event;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreService private readonly _coreService: ICoreService
+  ) {
+    super();
+    // register default protocols and encodings
+    for (const name of Object.keys(DEFAULT_PROTOCOLS)) this.addProtocol(name, DEFAULT_PROTOCOLS[name]);
+    for (const name of Object.keys(DEFAULT_ENCODINGS)) this.addEncoding(name, DEFAULT_ENCODINGS[name]);
+    // call reset to set defaults
+    this.reset();
+  }
+
+  public addProtocol(name: string, protocol: ICoreMouseProtocol): void {
+    this._protocols[name] = protocol;
+  }
+
+  public addEncoding(name: string, encoding: CoreMouseEncoding): void {
+    this._encodings[name] = encoding;
+  }
+
+  public get activeProtocol(): string {
+    return this._activeProtocol;
+  }
+
+  public get areMouseEventsActive(): boolean {
+    return this._protocols[this._activeProtocol].events !== 0;
+  }
+
+  public set activeProtocol(name: string) {
+    if (!this._protocols[name]) {
+      throw new Error(`unknown protocol "${name}"`);
+    }
+    this._activeProtocol = name;
+    this._onProtocolChange.fire(this._protocols[name].events);
+  }
+
+  public get activeEncoding(): string {
+    return this._activeEncoding;
+  }
+
+  public set activeEncoding(name: string) {
+    if (!this._encodings[name]) {
+      throw new Error(`unknown encoding "${name}"`);
+    }
+    this._activeEncoding = name;
+  }
+
+  public reset(): void {
+    this.activeProtocol = 'NONE';
+    this.activeEncoding = 'DEFAULT';
+    this._lastEvent = null;
+  }
+
+  /**
+   * Triggers a mouse event to be sent.
+   *
+   * Returns true if the event passed all protocol restrictions and a report
+   * was sent, otherwise false. The return value may be used to decide whether
+   * the default event action in the bowser component should be omitted.
+   *
+   * Note: The method will change values of the given event object
+   * to fullfill protocol and encoding restrictions.
+   */
+  public triggerMouseEvent(e: ICoreMouseEvent): boolean {
+    // range check for col/row
+    if (e.col < 0 || e.col >= this._bufferService.cols
+      || e.row < 0 || e.row >= this._bufferService.rows) {
+      return false;
+    }
+
+    // filter nonsense combinations of button + action
+    if (e.button === CoreMouseButton.WHEEL && e.action === CoreMouseAction.MOVE) {
+      return false;
+    }
+    if (e.button === CoreMouseButton.NONE && e.action !== CoreMouseAction.MOVE) {
+      return false;
+    }
+    if (e.button !== CoreMouseButton.WHEEL && (e.action === CoreMouseAction.LEFT || e.action === CoreMouseAction.RIGHT)) {
+      return false;
+    }
+
+    // report 1-based coords
+    e.col++;
+    e.row++;
+
+    // debounce move events at grid or pixel level
+    if (e.action === CoreMouseAction.MOVE
+      && this._lastEvent
+      && this._equalEvents(this._lastEvent, e, this._activeEncoding === 'SGR_PIXELS')
+    ) {
+      return false;
+    }
+
+    // apply protocol restrictions
+    if (!this._protocols[this._activeProtocol].restrict(e)) {
+      return false;
+    }
+
+    // encode report and send
+    const report = this._encodings[this._activeEncoding](e);
+    if (report) {
+      // always send DEFAULT as binary data
+      if (this._activeEncoding === 'DEFAULT') {
+        this._coreService.triggerBinaryEvent(report);
+      } else {
+        this._coreService.triggerDataEvent(report, true);
+      }
+    }
+
+    this._lastEvent = e;
+
+    return true;
+  }
+
+  public explainEvents(events: CoreMouseEventType): { [event: string]: boolean } {
+    return {
+      down: !!(events & CoreMouseEventType.DOWN),
+      up: !!(events & CoreMouseEventType.UP),
+      drag: !!(events & CoreMouseEventType.DRAG),
+      move: !!(events & CoreMouseEventType.MOVE),
+      wheel: !!(events & CoreMouseEventType.WHEEL)
+    };
+  }
+
+  private _equalEvents(e1: ICoreMouseEvent, e2: ICoreMouseEvent, pixels: boolean): boolean {
+    if (pixels) {
+      if (e1.x !== e2.x) return false;
+      if (e1.y !== e2.y) return false;
+    } else {
+      if (e1.col !== e2.col) return false;
+      if (e1.row !== e2.row) return false;
+    }
+    if (e1.button !== e2.button) return false;
+    if (e1.action !== e2.action) return false;
+    if (e1.ctrl !== e2.ctrl) return false;
+    if (e1.alt !== e2.alt) return false;
+    if (e1.shift !== e2.shift) return false;
+    return true;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/CoreService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/CoreService.ts
new file mode 100644
index 000000000..71985a179
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/CoreService.ts
@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { clone } from 'common/Clone';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IDecPrivateModes, IModes } from 'common/Types';
+import { IBufferService, ICoreService, ILogService, IOptionsService } from 'common/services/Services';
+
+const DEFAULT_MODES: IModes = Object.freeze({
+  insertMode: false
+});
+
+const DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({
+  applicationCursorKeys: false,
+  applicationKeypad: false,
+  bracketedPasteMode: false,
+  origin: false,
+  reverseWraparound: false,
+  sendFocus: false,
+  wraparound: true // defaults: xterm - true, vt100 - false
+});
+
+export class CoreService extends Disposable implements ICoreService {
+  public serviceBrand: any;
+
+  public isCursorInitialized: boolean = false;
+  public isCursorHidden: boolean = false;
+  public modes: IModes;
+  public decPrivateModes: IDecPrivateModes;
+
+  private readonly _onData = this.register(new EventEmitter<string>());
+  public readonly onData = this._onData.event;
+  private readonly _onUserInput = this.register(new EventEmitter<void>());
+  public readonly onUserInput = this._onUserInput.event;
+  private readonly _onBinary = this.register(new EventEmitter<string>());
+  public readonly onBinary = this._onBinary.event;
+  private readonly _onRequestScrollToBottom = this.register(new EventEmitter<void>());
+  public readonly onRequestScrollToBottom = this._onRequestScrollToBottom.event;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ILogService private readonly _logService: ILogService,
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+    this.modes = clone(DEFAULT_MODES);
+    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);
+  }
+
+  public reset(): void {
+    this.modes = clone(DEFAULT_MODES);
+    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);
+  }
+
+  public triggerDataEvent(data: string, wasUserInput: boolean = false): void {
+    // Prevents all events to pty process if stdin is disabled
+    if (this._optionsService.rawOptions.disableStdin) {
+      return;
+    }
+
+    // Input is being sent to the terminal, the terminal should focus the prompt.
+    const buffer = this._bufferService.buffer;
+    if (wasUserInput && this._optionsService.rawOptions.scrollOnUserInput && buffer.ybase !== buffer.ydisp) {
+      this._onRequestScrollToBottom.fire();
+    }
+
+    // Fire onUserInput so listeners can react as well (eg. clear selection)
+    if (wasUserInput) {
+      this._onUserInput.fire();
+    }
+
+    // Fire onData API
+    this._logService.debug(`sending data "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
+    this._onData.fire(data);
+  }
+
+  public triggerBinaryEvent(data: string): void {
+    if (this._optionsService.rawOptions.disableStdin) {
+      return;
+    }
+    this._logService.debug(`sending binary "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
+    this._onBinary.fire(data);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/DecorationService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/DecorationService.ts
new file mode 100644
index 000000000..da7591527
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/DecorationService.ts
@@ -0,0 +1,140 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { css } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IDecorationService, IInternalDecoration } from 'common/services/Services';
+import { SortedList } from 'common/SortedList';
+import { IColor } from 'common/Types';
+import { IDecoration, IDecorationOptions, IMarker } from '@xterm/xterm';
+
+// Work variables to avoid garbage collection
+let $xmin = 0;
+let $xmax = 0;
+
+export class DecorationService extends Disposable implements IDecorationService {
+  public serviceBrand: any;
+
+  /**
+   * A list of all decorations, sorted by the marker's line value. This relies on the fact that
+   * while marker line values do change, they should all change by the same amount so this should
+   * never become out of order.
+   */
+  private readonly _decorations: SortedList<IInternalDecoration> = new SortedList(e => e?.marker.line);
+
+  private readonly _onDecorationRegistered = this.register(new EventEmitter<IInternalDecoration>());
+  public readonly onDecorationRegistered = this._onDecorationRegistered.event;
+  private readonly _onDecorationRemoved = this.register(new EventEmitter<IInternalDecoration>());
+  public readonly onDecorationRemoved = this._onDecorationRemoved.event;
+
+  public get decorations(): IterableIterator<IInternalDecoration> { return this._decorations.values(); }
+
+  constructor() {
+    super();
+
+    this.register(toDisposable(() => this.reset()));
+  }
+
+  public registerDecoration(options: IDecorationOptions): IDecoration | undefined {
+    if (options.marker.isDisposed) {
+      return undefined;
+    }
+    const decoration = new Decoration(options);
+    if (decoration) {
+      const markerDispose = decoration.marker.onDispose(() => decoration.dispose());
+      decoration.onDispose(() => {
+        if (decoration) {
+          if (this._decorations.delete(decoration)) {
+            this._onDecorationRemoved.fire(decoration);
+          }
+          markerDispose.dispose();
+        }
+      });
+      this._decorations.insert(decoration);
+      this._onDecorationRegistered.fire(decoration);
+    }
+    return decoration;
+  }
+
+  public reset(): void {
+    for (const d of this._decorations.values()) {
+      d.dispose();
+    }
+    this._decorations.clear();
+  }
+
+  public *getDecorationsAtCell(x: number, line: number, layer?: 'bottom' | 'top'): IterableIterator<IInternalDecoration> {
+    let xmin = 0;
+    let xmax = 0;
+    for (const d of this._decorations.getKeyIterator(line)) {
+      xmin = d.options.x ?? 0;
+      xmax = xmin + (d.options.width ?? 1);
+      if (x >= xmin && x < xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {
+        yield d;
+      }
+    }
+  }
+
+  public forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void {
+    this._decorations.forEachByKey(line, d => {
+      $xmin = d.options.x ?? 0;
+      $xmax = $xmin + (d.options.width ?? 1);
+      if (x >= $xmin && x < $xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {
+        callback(d);
+      }
+    });
+  }
+}
+
+class Decoration extends Disposable implements IInternalDecoration {
+  public readonly marker: IMarker;
+  public element: HTMLElement | undefined;
+  public get isDisposed(): boolean { return this._isDisposed; }
+
+  public readonly onRenderEmitter = this.register(new EventEmitter<HTMLElement>());
+  public readonly onRender = this.onRenderEmitter.event;
+  private readonly _onDispose = this.register(new EventEmitter<void>());
+  public readonly onDispose = this._onDispose.event;
+
+  private _cachedBg: IColor | undefined | null = null;
+  public get backgroundColorRGB(): IColor | undefined {
+    if (this._cachedBg === null) {
+      if (this.options.backgroundColor) {
+        this._cachedBg = css.toColor(this.options.backgroundColor);
+      } else {
+        this._cachedBg = undefined;
+      }
+    }
+    return this._cachedBg;
+  }
+
+  private _cachedFg: IColor | undefined | null = null;
+  public get foregroundColorRGB(): IColor | undefined {
+    if (this._cachedFg === null) {
+      if (this.options.foregroundColor) {
+        this._cachedFg = css.toColor(this.options.foregroundColor);
+      } else {
+        this._cachedFg = undefined;
+      }
+    }
+    return this._cachedFg;
+  }
+
+  constructor(
+    public readonly options: IDecorationOptions
+  ) {
+    super();
+    this.marker = options.marker;
+    if (this.options.overviewRulerOptions && !this.options.overviewRulerOptions.position) {
+      this.options.overviewRulerOptions.position = 'full';
+    }
+  }
+
+  public override dispose(): void {
+    this._onDispose.fire();
+    super.dispose();
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/InstantiationService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/InstantiationService.ts
new file mode 100644
index 000000000..375e442de
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/InstantiationService.ts
@@ -0,0 +1,85 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).
+ */
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IInstantiationService, IServiceIdentifier } from 'common/services/Services';
+import { getServiceDependencies } from 'common/services/ServiceRegistry';
+
+export class ServiceCollection {
+
+  private _entries = new Map<IServiceIdentifier<any>, any>();
+
+  constructor(...entries: [IServiceIdentifier<any>, any][]) {
+    for (const [id, service] of entries) {
+      this.set(id, service);
+    }
+  }
+
+  public set<T>(id: IServiceIdentifier<T>, instance: T): T {
+    const result = this._entries.get(id);
+    this._entries.set(id, instance);
+    return result;
+  }
+
+  public forEach(callback: (id: IServiceIdentifier<any>, instance: any) => any): void {
+    for (const [key, value] of this._entries.entries()) {
+      callback(key, value);
+    }
+  }
+
+  public has(id: IServiceIdentifier<any>): boolean {
+    return this._entries.has(id);
+  }
+
+  public get<T>(id: IServiceIdentifier<T>): T | undefined {
+    return this._entries.get(id);
+  }
+}
+
+export class InstantiationService implements IInstantiationService {
+  public serviceBrand: undefined;
+
+  private readonly _services: ServiceCollection = new ServiceCollection();
+
+  constructor() {
+    this._services.set(IInstantiationService, this);
+  }
+
+  public setService<T>(id: IServiceIdentifier<T>, instance: T): void {
+    this._services.set(id, instance);
+  }
+
+  public getService<T>(id: IServiceIdentifier<T>): T | undefined {
+    return this._services.get(id);
+  }
+
+  public createInstance<T>(ctor: any, ...args: any[]): T {
+    const serviceDependencies = getServiceDependencies(ctor).sort((a, b) => a.index - b.index);
+
+    const serviceArgs: any[] = [];
+    for (const dependency of serviceDependencies) {
+      const service = this._services.get(dependency.id);
+      if (!service) {
+        throw new Error(`[createInstance] ${ctor.name} depends on UNKNOWN service ${dependency.id}.`);
+      }
+      serviceArgs.push(service);
+    }
+
+    const firstServiceArgPos = serviceDependencies.length > 0 ? serviceDependencies[0].index : args.length;
+
+    // check for argument mismatches, adjust static args if needed
+    if (args.length !== firstServiceArgPos) {
+      throw new Error(`[createInstance] First service dependency of ${ctor.name} at position ${firstServiceArgPos + 1} conflicts with ${args.length} static arguments`);
+    }
+
+    // now create the instance
+    return new ctor(...[...args, ...serviceArgs]);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/LogService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/LogService.ts
new file mode 100644
index 000000000..b3a7450c6
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/LogService.ts
@@ -0,0 +1,124 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Disposable } from 'common/Lifecycle';
+import { ILogService, IOptionsService, LogLevelEnum } from 'common/services/Services';
+
+type LogType = (message?: any, ...optionalParams: any[]) => void;
+
+interface IConsole {
+  log: LogType;
+  error: LogType;
+  info: LogType;
+  trace: LogType;
+  warn: LogType;
+}
+
+// console is available on both node.js and browser contexts but the common
+// module doesn't depend on them so we need to explicitly declare it.
+declare const console: IConsole;
+
+const optionsKeyToLogLevel: { [key: string]: LogLevelEnum } = {
+  trace: LogLevelEnum.TRACE,
+  debug: LogLevelEnum.DEBUG,
+  info: LogLevelEnum.INFO,
+  warn: LogLevelEnum.WARN,
+  error: LogLevelEnum.ERROR,
+  off: LogLevelEnum.OFF
+};
+
+const LOG_PREFIX = 'xterm.js: ';
+
+export class LogService extends Disposable implements ILogService {
+  public serviceBrand: any;
+
+  private _logLevel: LogLevelEnum = LogLevelEnum.OFF;
+  public get logLevel(): LogLevelEnum { return this._logLevel; }
+
+  constructor(
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+    this._updateLogLevel();
+    this.register(this._optionsService.onSpecificOptionChange('logLevel', () => this._updateLogLevel()));
+
+    // For trace logging, assume the latest created log service is valid
+    traceLogger = this;
+  }
+
+  private _updateLogLevel(): void {
+    this._logLevel = optionsKeyToLogLevel[this._optionsService.rawOptions.logLevel];
+  }
+
+  private _evalLazyOptionalParams(optionalParams: any[]): void {
+    for (let i = 0; i < optionalParams.length; i++) {
+      if (typeof optionalParams[i] === 'function') {
+        optionalParams[i] = optionalParams[i]();
+      }
+    }
+  }
+
+  private _log(type: LogType, message: string, optionalParams: any[]): void {
+    this._evalLazyOptionalParams(optionalParams);
+    type.call(console, (this._optionsService.options.logger ? '' : LOG_PREFIX) + message, ...optionalParams);
+  }
+
+  public trace(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.TRACE) {
+      this._log(this._optionsService.options.logger?.trace.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);
+    }
+  }
+
+  public debug(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.DEBUG) {
+      this._log(this._optionsService.options.logger?.debug.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);
+    }
+  }
+
+  public info(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.INFO) {
+      this._log(this._optionsService.options.logger?.info.bind(this._optionsService.options.logger) ?? console.info, message, optionalParams);
+    }
+  }
+
+  public warn(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.WARN) {
+      this._log(this._optionsService.options.logger?.warn.bind(this._optionsService.options.logger) ?? console.warn, message, optionalParams);
+    }
+  }
+
+  public error(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.ERROR) {
+      this._log(this._optionsService.options.logger?.error.bind(this._optionsService.options.logger) ?? console.error, message, optionalParams);
+    }
+  }
+}
+
+let traceLogger: ILogService;
+export function setTraceLogger(logger: ILogService): void {
+  traceLogger = logger;
+}
+
+/**
+ * A decorator that can be used to automatically log trace calls to the decorated function.
+ */
+export function traceCall(_target: any, key: string, descriptor: any): any {
+  if (typeof descriptor.value !== 'function') {
+    throw new Error('not supported');
+  }
+  const fnKey = 'value';
+  const fn = descriptor.value;
+  descriptor[fnKey] = function (...args: any[]) {
+    // Early exit
+    if (traceLogger.logLevel !== LogLevelEnum.TRACE) {
+      return fn.apply(this, args);
+    }
+
+    traceLogger.trace(`GlyphRenderer#${fn.name}(${args.map(e => JSON.stringify(e)).join(', ')})`);
+    const result = fn.apply(this, args);
+    traceLogger.trace(`GlyphRenderer#${fn.name} return`, result);
+    return result;
+  };
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/OptionsService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/OptionsService.ts
new file mode 100644
index 000000000..0375f6add
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/OptionsService.ts
@@ -0,0 +1,210 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { isMac } from 'common/Platform';
+import { CursorStyle, IDisposable } from 'common/Types';
+import { FontWeight, IOptionsService, ITerminalOptions } from 'common/services/Services';
+
+export const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {
+  cols: 80,
+  rows: 24,
+  cursorBlink: false,
+  cursorStyle: 'block',
+  cursorWidth: 1,
+  cursorInactiveStyle: 'outline',
+  customGlyphs: true,
+  drawBoldTextInBrightColors: true,
+  documentOverride: null,
+  fastScrollModifier: 'alt',
+  fastScrollSensitivity: 5,
+  fontFamily: 'courier-new, courier, monospace',
+  fontSize: 15,
+  fontWeight: 'normal',
+  fontWeightBold: 'bold',
+  ignoreBracketedPasteMode: false,
+  lineHeight: 1.0,
+  letterSpacing: 0,
+  linkHandler: null,
+  logLevel: 'info',
+  logger: null,
+  scrollback: 1000,
+  scrollOnUserInput: true,
+  scrollSensitivity: 1,
+  screenReaderMode: false,
+  smoothScrollDuration: 0,
+  macOptionIsMeta: false,
+  macOptionClickForcesSelection: false,
+  minimumContrastRatio: 1,
+  disableStdin: false,
+  allowProposedApi: false,
+  allowTransparency: false,
+  tabStopWidth: 8,
+  theme: {},
+  rescaleOverlappingGlyphs: false,
+  rightClickSelectsWord: isMac,
+  windowOptions: {},
+  windowsMode: false,
+  windowsPty: {},
+  wordSeparator: ' ()[]{}\',"`',
+  altClickMovesCursor: true,
+  convertEol: false,
+  termName: 'xterm',
+  cancelEvents: false,
+  overviewRulerWidth: 0
+};
+
+const FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'];
+
+export class OptionsService extends Disposable implements IOptionsService {
+  public serviceBrand: any;
+
+  public readonly rawOptions: Required<ITerminalOptions>;
+  public options: Required<ITerminalOptions>;
+
+  private readonly _onOptionChange = this.register(new EventEmitter<keyof ITerminalOptions>());
+  public readonly onOptionChange = this._onOptionChange.event;
+
+  constructor(options: Partial<ITerminalOptions>) {
+    super();
+    // set the default value of each option
+    const defaultOptions = { ...DEFAULT_OPTIONS };
+    for (const key in options) {
+      if (key in defaultOptions) {
+        try {
+          const newValue = options[key];
+          defaultOptions[key] = this._sanitizeAndValidateOption(key, newValue);
+        } catch (e) {
+          console.error(e);
+        }
+      }
+    }
+
+    // set up getters and setters for each option
+    this.rawOptions = defaultOptions;
+    this.options = { ... defaultOptions };
+    this._setupOptions();
+
+    // Clear out options that could link outside xterm.js as they could easily cause an embedder
+    // memory leak
+    this.register(toDisposable(() => {
+      this.rawOptions.linkHandler = null;
+      this.rawOptions.documentOverride = null;
+    }));
+  }
+
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  public onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (value: ITerminalOptions[T]) => any): IDisposable {
+    return this.onOptionChange(eventKey => {
+      if (eventKey === key) {
+        listener(this.rawOptions[key]);
+      }
+    });
+  }
+
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  public onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable {
+    return this.onOptionChange(eventKey => {
+      if (keys.indexOf(eventKey) !== -1) {
+        listener();
+      }
+    });
+  }
+
+  private _setupOptions(): void {
+    const getter = (propName: string): any => {
+      if (!(propName in DEFAULT_OPTIONS)) {
+        throw new Error(`No option with key "${propName}"`);
+      }
+      return this.rawOptions[propName];
+    };
+
+    const setter = (propName: string, value: any): void => {
+      if (!(propName in DEFAULT_OPTIONS)) {
+        throw new Error(`No option with key "${propName}"`);
+      }
+
+      value = this._sanitizeAndValidateOption(propName, value);
+      // Don't fire an option change event if they didn't change
+      if (this.rawOptions[propName] !== value) {
+        this.rawOptions[propName] = value;
+        this._onOptionChange.fire(propName);
+      }
+    };
+
+    for (const propName in this.rawOptions) {
+      const desc = {
+        get: getter.bind(this, propName),
+        set: setter.bind(this, propName)
+      };
+      Object.defineProperty(this.options, propName, desc);
+    }
+  }
+
+  private _sanitizeAndValidateOption(key: string, value: any): any {
+    switch (key) {
+      case 'cursorStyle':
+        if (!value) {
+          value = DEFAULT_OPTIONS[key];
+        }
+        if (!isCursorStyle(value)) {
+          throw new Error(`"${value}" is not a valid value for ${key}`);
+        }
+        break;
+      case 'wordSeparator':
+        if (!value) {
+          value = DEFAULT_OPTIONS[key];
+        }
+        break;
+      case 'fontWeight':
+      case 'fontWeightBold':
+        if (typeof value === 'number' && 1 <= value && value <= 1000) {
+          // already valid numeric value
+          break;
+        }
+        value = FONT_WEIGHT_OPTIONS.includes(value) ? value : DEFAULT_OPTIONS[key];
+        break;
+      case 'cursorWidth':
+        value = Math.floor(value);
+        // Fall through for bounds check
+      case 'lineHeight':
+      case 'tabStopWidth':
+        if (value < 1) {
+          throw new Error(`${key} cannot be less than 1, value: ${value}`);
+        }
+        break;
+      case 'minimumContrastRatio':
+        value = Math.max(1, Math.min(21, Math.round(value * 10) / 10));
+        break;
+      case 'scrollback':
+        value = Math.min(value, 4294967295);
+        if (value < 0) {
+          throw new Error(`${key} cannot be less than 0, value: ${value}`);
+        }
+        break;
+      case 'fastScrollSensitivity':
+      case 'scrollSensitivity':
+        if (value <= 0) {
+          throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`);
+        }
+        break;
+      case 'rows':
+      case 'cols':
+        if (!value && value !== 0) {
+          throw new Error(`${key} must be numeric, value: ${value}`);
+        }
+        break;
+      case 'windowsPty':
+        value = value ?? {};
+        break;
+    }
+    return value;
+  }
+}
+
+function isCursorStyle(value: unknown): value is CursorStyle {
+  return value === 'block' || value === 'underline' || value === 'bar';
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/OscLinkService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/OscLinkService.ts
new file mode 100644
index 000000000..13bd8aa4b
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/OscLinkService.ts
@@ -0,0 +1,115 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IBufferService, IOscLinkService } from 'common/services/Services';
+import { IMarker, IOscLinkData } from 'common/Types';
+
+export class OscLinkService implements IOscLinkService {
+  public serviceBrand: any;
+
+  private _nextId = 1;
+
+  /**
+   * A map of the link key to link entry. This is used to add additional lines to links with ids.
+   */
+  private _entriesWithId: Map<string, IOscLinkEntryWithId> = new Map();
+
+  /**
+   * A map of the link id to the link entry. The "link id" (number) which is the numberic
+   * representation of a unique link should not be confused with "id" (string) which comes in with
+   * `id=` in the OSC link's properties.
+   */
+  private _dataByLinkId: Map<number, IOscLinkEntryNoId | IOscLinkEntryWithId> = new Map();
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService
+  ) {
+  }
+
+  public registerLink(data: IOscLinkData): number {
+    const buffer = this._bufferService.buffer;
+
+    // Links with no id will only ever be registered a single time
+    if (data.id === undefined) {
+      const marker = buffer.addMarker(buffer.ybase + buffer.y);
+      const entry: IOscLinkEntryNoId = {
+        data,
+        id: this._nextId++,
+        lines: [marker]
+      };
+      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));
+      this._dataByLinkId.set(entry.id, entry);
+      return entry.id;
+    }
+
+    // Add the line to the link if it already exists
+    const castData = data as Required<IOscLinkData>;
+    const key = this._getEntryIdKey(castData);
+    const match = this._entriesWithId.get(key);
+    if (match) {
+      this.addLineToLink(match.id, buffer.ybase + buffer.y);
+      return match.id;
+    }
+
+    // Create the link
+    const marker = buffer.addMarker(buffer.ybase + buffer.y);
+    const entry: IOscLinkEntryWithId = {
+      id: this._nextId++,
+      key: this._getEntryIdKey(castData),
+      data: castData,
+      lines: [marker]
+    };
+    marker.onDispose(() => this._removeMarkerFromLink(entry, marker));
+    this._entriesWithId.set(entry.key, entry);
+    this._dataByLinkId.set(entry.id, entry);
+    return entry.id;
+  }
+
+  public addLineToLink(linkId: number, y: number): void {
+    const entry = this._dataByLinkId.get(linkId);
+    if (!entry) {
+      return;
+    }
+    if (entry.lines.every(e => e.line !== y)) {
+      const marker = this._bufferService.buffer.addMarker(y);
+      entry.lines.push(marker);
+      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));
+    }
+  }
+
+  public getLinkData(linkId: number): IOscLinkData | undefined {
+    return this._dataByLinkId.get(linkId)?.data;
+  }
+
+  private _getEntryIdKey(linkData: Required<IOscLinkData>): string {
+    return `${linkData.id};;${linkData.uri}`;
+  }
+
+  private _removeMarkerFromLink(entry: IOscLinkEntryNoId | IOscLinkEntryWithId, marker: IMarker): void {
+    const index = entry.lines.indexOf(marker);
+    if (index === -1) {
+      return;
+    }
+    entry.lines.splice(index, 1);
+    if (entry.lines.length === 0) {
+      if (entry.data.id !== undefined) {
+        this._entriesWithId.delete((entry as IOscLinkEntryWithId).key);
+      }
+      this._dataByLinkId.delete(entry.id);
+    }
+  }
+}
+
+interface IOscLinkEntry<T extends IOscLinkData> {
+  data: T;
+  id: number;
+  lines: IMarker[];
+}
+
+interface IOscLinkEntryNoId extends IOscLinkEntry<IOscLinkData> {
+}
+
+interface IOscLinkEntryWithId extends IOscLinkEntry<Required<IOscLinkData>> {
+  key: string;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/ServiceRegistry.ts b/web/public/node_modules/@xterm/xterm/src/common/services/ServiceRegistry.ts
new file mode 100644
index 000000000..6510fb8e0
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/ServiceRegistry.ts
@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).
+ */
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IServiceIdentifier } from 'common/services/Services';
+
+const DI_TARGET = 'di$target';
+const DI_DEPENDENCIES = 'di$dependencies';
+
+export const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();
+
+export function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {
+  return ctor[DI_DEPENDENCIES] || [];
+}
+
+export function createDecorator<T>(id: string): IServiceIdentifier<T> {
+  if (serviceRegistry.has(id)) {
+    return serviceRegistry.get(id)!;
+  }
+
+  const decorator: any = function (target: Function, key: string, index: number): any {
+    if (arguments.length !== 3) {
+      throw new Error('@IServiceName-decorator can only be used to decorate a parameter');
+    }
+
+    storeServiceDependency(decorator, target, index);
+  };
+
+  decorator.toString = () => id;
+
+  serviceRegistry.set(id, decorator);
+  return decorator;
+}
+
+function storeServiceDependency(id: Function, target: Function, index: number): void {
+  if ((target as any)[DI_TARGET] === target) {
+    (target as any)[DI_DEPENDENCIES].push({ id, index });
+  } else {
+    (target as any)[DI_DEPENDENCIES] = [{ id, index }];
+    (target as any)[DI_TARGET] = target;
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/Services.ts b/web/public/node_modules/@xterm/xterm/src/common/services/Services.ts
new file mode 100644
index 000000000..210a0afb0
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/Services.ts
@@ -0,0 +1,374 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent, IEventEmitter } from 'common/EventEmitter';
+import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColor, CursorStyle, CursorInactiveStyle, IOscLinkData } from 'common/Types';
+import { createDecorator } from 'common/services/ServiceRegistry';
+import { IDecorationOptions, IDecoration, ILinkHandler, IWindowsPty, ILogger } from '@xterm/xterm';
+
+export const IBufferService = createDecorator<IBufferService>('BufferService');
+export interface IBufferService {
+  serviceBrand: undefined;
+
+  readonly cols: number;
+  readonly rows: number;
+  readonly buffer: IBuffer;
+  readonly buffers: IBufferSet;
+  isUserScrolling: boolean;
+  onResize: IEvent<{ cols: number, rows: number }>;
+  onScroll: IEvent<number>;
+  scroll(eraseAttr: IAttributeData, isWrapped?: boolean): void;
+  scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void;
+  resize(cols: number, rows: number): void;
+  reset(): void;
+}
+
+export const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');
+export interface ICoreMouseService {
+  activeProtocol: string;
+  activeEncoding: string;
+  areMouseEventsActive: boolean;
+  addProtocol(name: string, protocol: ICoreMouseProtocol): void;
+  addEncoding(name: string, encoding: CoreMouseEncoding): void;
+  reset(): void;
+
+  /**
+   * Triggers a mouse event to be sent.
+   *
+   * Returns true if the event passed all protocol restrictions and a report
+   * was sent, otherwise false. The return value may be used to decide whether
+   * the default event action in the bowser component should be omitted.
+   *
+   * Note: The method will change values of the given event object
+   * to fullfill protocol and encoding restrictions.
+   */
+  triggerMouseEvent(event: ICoreMouseEvent): boolean;
+
+  /**
+   * Event to announce changes in mouse tracking.
+   */
+  onProtocolChange: IEvent<CoreMouseEventType>;
+
+  /**
+   * Human readable version of mouse events.
+   */
+  explainEvents(events: CoreMouseEventType): { [event: string]: boolean };
+}
+
+export const ICoreService = createDecorator<ICoreService>('CoreService');
+export interface ICoreService {
+  serviceBrand: undefined;
+
+  /**
+   * Initially the cursor will not be visible until the first time the terminal
+   * is focused.
+   */
+  isCursorInitialized: boolean;
+  isCursorHidden: boolean;
+
+  readonly modes: IModes;
+  readonly decPrivateModes: IDecPrivateModes;
+
+  readonly onData: IEvent<string>;
+  readonly onUserInput: IEvent<void>;
+  readonly onBinary: IEvent<string>;
+  readonly onRequestScrollToBottom: IEvent<void>;
+
+  reset(): void;
+
+  /**
+   * Triggers the onData event in the public API.
+   * @param data The data that is being emitted.
+   * @param wasUserInput Whether the data originated from the user (as opposed to
+   * resulting from parsing incoming data). When true this will also:
+   * - Scroll to the bottom of the buffer if option scrollOnUserInput is true.
+   * - Fire the `onUserInput` event (so selection can be cleared).
+   */
+  triggerDataEvent(data: string, wasUserInput?: boolean): void;
+
+  /**
+   * Triggers the onBinary event in the public API.
+   * @param data The data that is being emitted.
+   */
+  triggerBinaryEvent(data: string): void;
+}
+
+export const ICharsetService = createDecorator<ICharsetService>('CharsetService');
+export interface ICharsetService {
+  serviceBrand: undefined;
+
+  charset: ICharset | undefined;
+  readonly glevel: number;
+
+  reset(): void;
+
+  /**
+   * Set the G level of the terminal.
+   * @param g
+   */
+  setgLevel(g: number): void;
+
+  /**
+   * Set the charset for the given G level of the terminal.
+   * @param g
+   * @param charset
+   */
+  setgCharset(g: number, charset: ICharset | undefined): void;
+}
+
+export interface IServiceIdentifier<T> {
+  (...args: any[]): void;
+  type: T;
+}
+
+export interface IBrandedService {
+  serviceBrand: undefined;
+}
+
+type GetLeadingNonServiceArgs<TArgs extends any[]> = TArgs extends [] ? []
+  : TArgs extends [...infer TFirst, infer TLast] ? TLast extends IBrandedService ? GetLeadingNonServiceArgs<TFirst> : TArgs
+    : never;
+
+export const IInstantiationService = createDecorator<IInstantiationService>('InstantiationService');
+export interface IInstantiationService {
+  serviceBrand: undefined;
+
+  setService<T>(id: IServiceIdentifier<T>, instance: T): void;
+  getService<T>(id: IServiceIdentifier<T>): T | undefined;
+  createInstance<Ctor extends new (...args: any[]) => any, R extends InstanceType<Ctor>>(t: Ctor, ...args: GetLeadingNonServiceArgs<ConstructorParameters<Ctor>>): R;
+}
+
+export enum LogLevelEnum {
+  TRACE = 0,
+  DEBUG = 1,
+  INFO = 2,
+  WARN = 3,
+  ERROR = 4,
+  OFF = 5
+}
+
+export const ILogService = createDecorator<ILogService>('LogService');
+export interface ILogService {
+  serviceBrand: undefined;
+
+  readonly logLevel: LogLevelEnum;
+
+  trace(message: any, ...optionalParams: any[]): void;
+  debug(message: any, ...optionalParams: any[]): void;
+  info(message: any, ...optionalParams: any[]): void;
+  warn(message: any, ...optionalParams: any[]): void;
+  error(message: any, ...optionalParams: any[]): void;
+}
+
+export const IOptionsService = createDecorator<IOptionsService>('OptionsService');
+export interface IOptionsService {
+  serviceBrand: undefined;
+
+  /**
+   * Read only access to the raw options object, this is an internal-only fast path for accessing
+   * single options without any validation as we trust TypeScript to enforce correct usage
+   * internally.
+   */
+  readonly rawOptions: Required<ITerminalOptions>;
+
+  /**
+   * Options as exposed through the public API, this property uses getters and setters with
+   * validation which makes it safer but slower. {@link rawOptions} should be used for pretty much
+   * all internal usage for performance reasons.
+   */
+  readonly options: Required<ITerminalOptions>;
+
+  /**
+   * Adds an event listener for when any option changes.
+   */
+  readonly onOptionChange: IEvent<keyof ITerminalOptions>;
+
+  /**
+   * Adds an event listener for when a specific option changes, this is a convenience method that is
+   * preferred over {@link onOptionChange} when only a single option is being listened to.
+   */
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (arg1: Required<ITerminalOptions>[T]) => any): IDisposable;
+
+  /**
+   * Adds an event listener for when a set of specific options change, this is a convenience method
+   * that is preferred over {@link onOptionChange} when multiple options are being listened to and
+   * handled the same way.
+   */
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable;
+}
+
+export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;
+export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';
+
+export interface ITerminalOptions {
+  allowProposedApi?: boolean;
+  allowTransparency?: boolean;
+  altClickMovesCursor?: boolean;
+  cols?: number;
+  convertEol?: boolean;
+  cursorBlink?: boolean;
+  cursorStyle?: CursorStyle;
+  cursorWidth?: number;
+  cursorInactiveStyle?: CursorInactiveStyle;
+  customGlyphs?: boolean;
+  disableStdin?: boolean;
+  documentOverride?: any | null;
+  drawBoldTextInBrightColors?: boolean;
+  fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';
+  fastScrollSensitivity?: number;
+  fontSize?: number;
+  fontFamily?: string;
+  fontWeight?: FontWeight;
+  fontWeightBold?: FontWeight;
+  ignoreBracketedPasteMode?: boolean;
+  letterSpacing?: number;
+  lineHeight?: number;
+  linkHandler?: ILinkHandler | null;
+  logLevel?: LogLevel;
+  logger?: ILogger | null;
+  macOptionIsMeta?: boolean;
+  macOptionClickForcesSelection?: boolean;
+  minimumContrastRatio?: number;
+  rescaleOverlappingGlyphs?: boolean;
+  rightClickSelectsWord?: boolean;
+  rows?: number;
+  screenReaderMode?: boolean;
+  scrollback?: number;
+  scrollOnUserInput?: boolean;
+  scrollSensitivity?: number;
+  smoothScrollDuration?: number;
+  tabStopWidth?: number;
+  theme?: ITheme;
+  windowsMode?: boolean;
+  windowsPty?: IWindowsPty;
+  windowOptions?: IWindowOptions;
+  wordSeparator?: string;
+  overviewRulerWidth?: number;
+
+  [key: string]: any;
+  cancelEvents: boolean;
+  termName: string;
+}
+
+export interface ITheme {
+  foreground?: string;
+  background?: string;
+  cursor?: string;
+  cursorAccent?: string;
+  selectionForeground?: string;
+  selectionBackground?: string;
+  selectionInactiveBackground?: string;
+  black?: string;
+  red?: string;
+  green?: string;
+  yellow?: string;
+  blue?: string;
+  magenta?: string;
+  cyan?: string;
+  white?: string;
+  brightBlack?: string;
+  brightRed?: string;
+  brightGreen?: string;
+  brightYellow?: string;
+  brightBlue?: string;
+  brightMagenta?: string;
+  brightCyan?: string;
+  brightWhite?: string;
+  extendedAnsi?: string[];
+}
+
+export const IOscLinkService = createDecorator<IOscLinkService>('OscLinkService');
+export interface IOscLinkService {
+  serviceBrand: undefined;
+  /**
+   * Registers a link to the service, returning the link ID. The link data is managed by this
+   * service and will be freed when this current cursor position is trimmed off the buffer.
+   */
+  registerLink(linkData: IOscLinkData): number;
+  /**
+   * Adds a line to a link if needed.
+   */
+  addLineToLink(linkId: number, y: number): void;
+  /** Get the link data associated with a link ID. */
+  getLinkData(linkId: number): IOscLinkData | undefined;
+}
+
+/*
+ * Width and Grapheme_Cluster_Break properties of a character as a bit mask.
+ *
+ * bit 0: shouldJoin - should combine with preceding character.
+ * bit 1..2: wcwidth - see UnicodeCharWidth.
+ * bit 3..31: class of character (currently only 4 bits are used).
+ *   This is used to determined grapheme clustering - i.e. which codepoints
+ *   are to be combined into a single compound character.
+ *
+ * Use the UnicodeService static function createPropertyValue to create a
+ * UnicodeCharProperties; use extractShouldJoin, extractWidth, and
+ * extractCharKind to extract the components.
+ */
+export type UnicodeCharProperties = number;
+
+/**
+ * Width in columns of a character.
+ * In a CJK context, "half-width" characters (such as Latin) are width 1,
+ * while "full-width" characters (such as Kanji) are 2 columns wide.
+ * Combining characters (such as accents) are width 0.
+ */
+export type UnicodeCharWidth = 0 | 1 | 2;
+
+export const IUnicodeService = createDecorator<IUnicodeService>('UnicodeService');
+export interface IUnicodeService {
+  serviceBrand: undefined;
+  /** Register an Unicode version provider. */
+  register(provider: IUnicodeVersionProvider): void;
+  /** Registered Unicode versions. */
+  readonly versions: string[];
+  /** Currently active version. */
+  activeVersion: string;
+  /** Event triggered, when activate version changed. */
+  readonly onChange: IEvent<string>;
+
+  /**
+   * Unicode version dependent
+   */
+  wcwidth(codepoint: number): UnicodeCharWidth;
+  getStringCellWidth(s: string): number;
+  /**
+   * Return character width and type for grapheme clustering.
+   * If preceding != 0, it is the return code from the previous character;
+   * in that case the result specifies if the characters should be joined.
+   */
+  charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties;
+}
+
+export interface IUnicodeVersionProvider {
+  readonly version: string;
+  wcwidth(ucs: number): UnicodeCharWidth;
+  charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties;
+}
+
+export const IDecorationService = createDecorator<IDecorationService>('DecorationService');
+export interface IDecorationService extends IDisposable {
+  serviceBrand: undefined;
+  readonly decorations: IterableIterator<IInternalDecoration>;
+  readonly onDecorationRegistered: IEvent<IInternalDecoration>;
+  readonly onDecorationRemoved: IEvent<IInternalDecoration>;
+  registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;
+  reset(): void;
+  /**
+   * Trigger a callback over the decoration at a cell (in no particular order). This uses a callback
+   * instead of an iterator as it's typically used in hot code paths.
+   */
+  forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void;
+}
+export interface IInternalDecoration extends IDecoration {
+  readonly options: IDecorationOptions;
+  readonly backgroundColorRGB: IColor | undefined;
+  readonly foregroundColorRGB: IColor | undefined;
+  readonly onRenderEmitter: IEventEmitter<HTMLElement>;
+}
diff --git a/web/public/node_modules/@xterm/xterm/src/common/services/UnicodeService.ts b/web/public/node_modules/@xterm/xterm/src/common/services/UnicodeService.ts
new file mode 100644
index 000000000..767eecaf9
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/src/common/services/UnicodeService.ts
@@ -0,0 +1,111 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { UnicodeV6 } from 'common/input/UnicodeV6';
+import { IUnicodeService, IUnicodeVersionProvider, UnicodeCharProperties, UnicodeCharWidth } from 'common/services/Services';
+
+export class UnicodeService implements IUnicodeService {
+  public serviceBrand: any;
+
+  private _providers: {[key: string]: IUnicodeVersionProvider} = Object.create(null);
+  private _active: string = '';
+  private _activeProvider: IUnicodeVersionProvider;
+
+  private readonly _onChange = new EventEmitter<string>();
+  public readonly onChange = this._onChange.event;
+
+  public static extractShouldJoin(value: UnicodeCharProperties): boolean {
+    return (value & 1) !== 0;
+  }
+  public static extractWidth(value: UnicodeCharProperties): UnicodeCharWidth {
+    return ((value >> 1) & 0x3) as UnicodeCharWidth;
+  }
+  public static extractCharKind(value: UnicodeCharProperties): number {
+    return value >> 3;
+  }
+  public static createPropertyValue(state: number, width: number, shouldJoin: boolean = false): UnicodeCharProperties {
+    return ((state & 0xffffff) << 3) | ((width & 3) << 1) | (shouldJoin?1:0);
+  }
+
+  constructor() {
+    const defaultProvider = new UnicodeV6();
+    this.register(defaultProvider);
+    this._active = defaultProvider.version;
+    this._activeProvider = defaultProvider;
+  }
+
+  public dispose(): void {
+    this._onChange.dispose();
+  }
+
+  public get versions(): string[] {
+    return Object.keys(this._providers);
+  }
+
+  public get activeVersion(): string {
+    return this._active;
+  }
+
+  public set activeVersion(version: string) {
+    if (!this._providers[version]) {
+      throw new Error(`unknown Unicode version "${version}"`);
+    }
+    this._active = version;
+    this._activeProvider = this._providers[version];
+    this._onChange.fire(version);
+  }
+
+  public register(provider: IUnicodeVersionProvider): void {
+    this._providers[provider.version] = provider;
+  }
+
+  /**
+   * Unicode version dependent interface.
+   */
+  public wcwidth(num: number): UnicodeCharWidth {
+    return this._activeProvider.wcwidth(num);
+  }
+
+  public getStringCellWidth(s: string): number {
+    let result = 0;
+    let precedingInfo = 0;
+    const length = s.length;
+    for (let i = 0; i < length; ++i) {
+      let code = s.charCodeAt(i);
+      // surrogate pair first
+      if (0xD800 <= code && code <= 0xDBFF) {
+        if (++i >= length) {
+          // this should not happen with strings retrieved from
+          // Buffer.translateToString as it converts from UTF-32
+          // and therefore always should contain the second part
+          // for any other string we still have to handle it somehow:
+          // simply treat the lonely surrogate first as a single char (UCS-2 behavior)
+          return result + this.wcwidth(code);
+        }
+        const second = s.charCodeAt(i);
+        // convert surrogate pair to high codepoint only for valid second part (UTF-16)
+        // otherwise treat them independently (UCS-2 behavior)
+        if (0xDC00 <= second && second <= 0xDFFF) {
+          code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+        } else {
+          result += this.wcwidth(second);
+        }
+      }
+      const currentInfo = this.charProperties(code, precedingInfo);
+      let chWidth = UnicodeService.extractWidth(currentInfo);
+      if (UnicodeService.extractShouldJoin(currentInfo)) {
+        chWidth -= UnicodeService.extractWidth(precedingInfo);
+      }
+      result += chWidth;
+      precedingInfo = currentInfo;
+    }
+    return result;
+  }
+
+  public charProperties(codepoint: number, preceding: UnicodeCharProperties): UnicodeCharProperties {
+    return this._activeProvider.charProperties(codepoint, preceding);
+  }
+}
diff --git a/web/public/node_modules/@xterm/xterm/typings/xterm.d.ts b/web/public/node_modules/@xterm/xterm/typings/xterm.d.ts
new file mode 100644
index 000000000..330082890
--- /dev/null
+++ b/web/public/node_modules/@xterm/xterm/typings/xterm.d.ts
@@ -0,0 +1,1908 @@
+/**
+ * @license MIT
+ *
+ * This contains the type declarations for the xterm.js library. Note that
+ * some interfaces differ between this file and the actual implementation in
+ * src/, that's because this file declares the *public* API which is intended
+ * to be stable and consumed by external programs.
+ */
+
+/// <reference lib="dom"/>
+
+declare module '@xterm/xterm' {
+  /**
+   * A string or number representing text font weight.
+   */
+  export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;
+
+  /**
+   * A string representing log level.
+   */
+  export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';
+
+  /**
+   * An object containing options for the terminal.
+   */
+  export interface ITerminalOptions {
+    /**
+     * Whether to allow the use of proposed API. When false, any usage of APIs
+     * marked as experimental/proposed will throw an error. The default is
+     * false.
+     */
+    allowProposedApi?: boolean;
+
+    /**
+     * Whether background should support non-opaque color. It must be set before
+     * executing the `Terminal.open()` method and can't be changed later without
+     * executing it again. Note that enabling this can negatively impact
+     * performance.
+     */
+    allowTransparency?: boolean;
+
+    /**
+     * If enabled, alt + click will move the prompt cursor to position
+     * underneath the mouse. The default is true.
+     */
+    altClickMovesCursor?: boolean;
+
+    /**
+     * When enabled the cursor will be set to the beginning of the next line
+     * with every new line. This is equivalent to sending '\r\n' for each '\n'.
+     * Normally the termios settings of the underlying PTY deals with the
+     * translation of '\n' to '\r\n' and this setting should not be used. If you
+     * deal with data from a non-PTY related source, this settings might be
+     * useful.
+     */
+    convertEol?: boolean;
+
+    /**
+     * Whether the cursor blinks.
+     */
+    cursorBlink?: boolean;
+
+    /**
+     * The style of the cursor when the terminal is focused.
+     */
+    cursorStyle?: 'block' | 'underline' | 'bar';
+
+    /**
+     * The width of the cursor in CSS pixels when `cursorStyle` is set to 'bar'.
+     */
+    cursorWidth?: number;
+
+    /**
+     * The style of the cursor when the terminal is not focused.
+     */
+    cursorInactiveStyle?: 'outline' | 'block' | 'bar' | 'underline' | 'none';
+
+    /**
+     * Whether to draw custom glyphs for block element and box drawing
+     * characters instead of using the font. This should typically result in
+     * better rendering with continuous lines, even when line height and letter
+     * spacing is used. Note that this doesn't work with the DOM renderer which
+     * renders all characters using the font. The default is true.
+     */
+    customGlyphs?: boolean;
+
+    /**
+     * Whether input should be disabled.
+     */
+    disableStdin?: boolean;
+
+    /**
+     * A {@link Document} to use instead of the one that xterm.js was attached
+     * to. The purpose of this is to improve support in multi-window
+     * applications where HTML elements may be references across multiple
+     * windows which can cause problems with `instanceof`.
+     *
+     * The type is `any` because using `Document` can cause TS to have
+     * performance/compiler problems.
+     */
+    documentOverride?: any | null;
+
+    /**
+     * Whether to draw bold text in bright colors. The default is true.
+     */
+    drawBoldTextInBrightColors?: boolean;
+
+    /**
+     * The modifier key hold to multiply scroll speed.
+     */
+    fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';
+
+    /**
+     * The scroll speed multiplier used for fast scrolling.
+     */
+    fastScrollSensitivity?: number;
+
+    /**
+     * The font size used to render text.
+     */
+    fontSize?: number;
+
+    /**
+     * The font family used to render text.
+     */
+    fontFamily?: string;
+
+    /**
+     * The font weight used to render non-bold text.
+     */
+    fontWeight?: FontWeight;
+
+    /**
+     * The font weight used to render bold text.
+     */
+    fontWeightBold?: FontWeight;
+
+    /**
+     * Whether to ignore the bracketed paste mode. When true, this will always
+     * paste without the `\x1b[200~` and `\x1b[201~` sequences, even when the
+     * shell enables bracketed mode.
+     */
+    ignoreBracketedPasteMode?: boolean;
+
+    /**
+     * The spacing in whole pixels between characters.
+     */
+    letterSpacing?: number;
+
+    /**
+     * The line height used to render text.
+     */
+    lineHeight?: number;
+
+    /**
+     * The handler for OSC 8 hyperlinks. Links will use the `confirm` browser
+     * API with a strongly worded warning if no link handler is set.
+     *
+     * When setting this, consider the security of users opening these links,
+     * at a minimum there should be a tooltip or a prompt when hovering or
+     * activating the link respectively. An example of what might be possible is
+     * a terminal app writing link in the form `javascript:...` that runs some
+     * javascript, a safe approach to prevent that is to validate the link
+     * starts with http(s)://.
+     */
+    linkHandler?: ILinkHandler | null;
+
+    /**
+     * What log level to use, this will log for all levels below and including
+     * what is set:
+     *
+     * 1. trace
+     * 2. debug
+     * 3. info (default)
+     * 4. warn
+     * 5. error
+     * 6. off
+     */
+    logLevel?: LogLevel;
+
+    /**
+     * A logger to use instead of `console`.
+     */
+    logger?: ILogger | null;
+
+    /**
+     * Whether to treat option as the meta key.
+     */
+    macOptionIsMeta?: boolean;
+
+    /**
+     * Whether holding a modifier key will force normal selection behavior,
+     * regardless of whether the terminal is in mouse events mode. This will
+     * also prevent mouse events from being emitted by the terminal. For
+     * example, this allows you to use xterm.js' regular selection inside tmux
+     * with mouse mode enabled.
+     */
+    macOptionClickForcesSelection?: boolean;
+
+    /**
+     * The minimum contrast ratio for text in the terminal, setting this will
+     * change the foreground color dynamically depending on whether the contrast
+     * ratio is met. Example values:
+     *
+     * - 1: The default, do nothing.
+     * - 4.5: Minimum for WCAG AA compliance.
+     * - 7: Minimum for WCAG AAA compliance.
+     * - 21: White on black or black on white.
+     */
+    minimumContrastRatio?: number;
+
+    /**
+     * Whether to rescale glyphs horizontally that are a single cell wide but
+     * have glyphs that would overlap following cell(s). This typically happens
+     * for ambiguous width characters (eg. the roman numeral characters U+2160+)
+     * which aren't featured in monospace fonts. This is an important feature
+     * for achieving GB18030 compliance.
+     *
+     * The following glyphs will never be rescaled:
+     *
+     * - Emoji glyphs
+     * - Powerline glyphs
+     * - Nerd font glyphs
+     *
+     * Note that this doesn't work with the DOM renderer. The default is false.
+     */
+    rescaleOverlappingGlyphs?: boolean;
+
+    /**
+     * Whether to select the word under the cursor on right click, this is
+     * standard behavior in a lot of macOS applications.
+     */
+    rightClickSelectsWord?: boolean;
+
+    /**
+     * Whether screen reader support is enabled. When on this will expose
+     * supporting elements in the DOM to support NVDA on Windows and VoiceOver
+     * on macOS.
+     */
+    screenReaderMode?: boolean;
+
+    /**
+     * The amount of scrollback in the terminal. Scrollback is the amount of
+     * rows that are retained when lines are scrolled beyond the initial
+     * viewport. Defaults to 1000.
+     */
+    scrollback?: number;
+
+    /**
+     * Whether to scroll to the bottom whenever there is some user input. The
+     * default is true.
+     */
+    scrollOnUserInput?: boolean;
+
+    /**
+     * The scrolling speed multiplier used for adjusting normal scrolling speed.
+     */
+    scrollSensitivity?: number;
+
+    /**
+     * The duration to smoothly scroll between the origin and the target in
+     * milliseconds. Set to 0 to disable smooth scrolling and scroll instantly.
+     */
+    smoothScrollDuration?: number;
+
+    /**
+     * The size of tab stops in the terminal.
+     */
+    tabStopWidth?: number;
+
+    /**
+     * The color theme of the terminal.
+     */
+    theme?: ITheme;
+
+    /**
+     * Whether "Windows mode" is enabled. Because Windows backends winpty and
+     * conpty operate by doing line wrapping on their side, xterm.js does not
+     * have access to wrapped lines. When Windows mode is enabled the following
+     * changes will be in effect:
+     *
+     * - Reflow is disabled.
+     * - Lines are assumed to be wrapped if the last character of the line is
+     *   not whitespace.
+     *
+     * When using conpty on Windows 11 version >= 21376, it is recommended to
+     * disable this because native text wrapping sequences are output correctly
+     * thanks to https://github.com/microsoft/terminal/issues/405
+     *
+     * @deprecated Use {@link windowsPty}. This value will be ignored if
+     * windowsPty is set.
+     */
+    windowsMode?: boolean;
+
+    /**
+     * Compatibility information when the pty is known to be hosted on Windows.
+     * Setting this will turn on certain heuristics/workarounds depending on the
+     * values:
+     *
+     * - `if (backend !== undefined || buildNumber !== undefined)`
+     *   - When increasing the rows in the terminal, the amount increased into
+     *     the scrollback. This is done because ConPTY does not behave like
+     *     expect scrollback to come back into the viewport, instead it makes
+     *     empty rows at of the viewport. Not having this behavior can result in
+     *     missing data as the rows get replaced.
+     * - `if !(backend === 'conpty' && buildNumber >= 21376)`
+     *   - Reflow is disabled
+     *   - Lines are assumed to be wrapped if the last character of the line is
+     *     not whitespace.
+     */
+    windowsPty?: IWindowsPty;
+
+    /**
+     * A string containing all characters that are considered word separated by
+     * the double click to select work logic.
+     */
+    wordSeparator?: string;
+
+    /**
+     * Enable various window manipulation and report features.
+     * All features are disabled by default for security reasons.
+     */
+    windowOptions?: IWindowOptions;
+
+    /**
+     * The width, in pixels, of the canvas for the overview ruler. The overview
+     * ruler will be hidden when not set.
+     */
+    overviewRulerWidth?: number;
+  }
+
+  /**
+   * An object containing additional options for the terminal that can only be
+   * set on start up.
+   */
+  export interface ITerminalInitOnlyOptions {
+    /**
+     * The number of columns in the terminal.
+     */
+    cols?: number;
+
+    /**
+     * The number of rows in the terminal.
+     */
+    rows?: number;
+  }
+
+  /**
+   * Contains colors to theme the terminal with.
+   */
+  export interface ITheme {
+    /** The default foreground color */
+    foreground?: string;
+    /** The default background color */
+    background?: string;
+    /** The cursor color */
+    cursor?: string;
+    /** The accent color of the cursor (fg color for a block cursor) */
+    cursorAccent?: string;
+    /** The selection background color (can be transparent) */
+    selectionBackground?: string;
+    /** The selection foreground color */
+    selectionForeground?: string;
+    /**
+     * The selection background color when the terminal does not have focus (can
+     * be transparent)
+     */
+    selectionInactiveBackground?: string;
+    /** ANSI black (eg. `\x1b[30m`) */
+    black?: string;
+    /** ANSI red (eg. `\x1b[31m`) */
+    red?: string;
+    /** ANSI green (eg. `\x1b[32m`) */
+    green?: string;
+    /** ANSI yellow (eg. `\x1b[33m`) */
+    yellow?: string;
+    /** ANSI blue (eg. `\x1b[34m`) */
+    blue?: string;
+    /** ANSI magenta (eg. `\x1b[35m`) */
+    magenta?: string;
+    /** ANSI cyan (eg. `\x1b[36m`) */
+    cyan?: string;
+    /** ANSI white (eg. `\x1b[37m`) */
+    white?: string;
+    /** ANSI bright black (eg. `\x1b[1;30m`) */
+    brightBlack?: string;
+    /** ANSI bright red (eg. `\x1b[1;31m`) */
+    brightRed?: string;
+    /** ANSI bright green (eg. `\x1b[1;32m`) */
+    brightGreen?: string;
+    /** ANSI bright yellow (eg. `\x1b[1;33m`) */
+    brightYellow?: string;
+    /** ANSI bright blue (eg. `\x1b[1;34m`) */
+    brightBlue?: string;
+    /** ANSI bright magenta (eg. `\x1b[1;35m`) */
+    brightMagenta?: string;
+    /** ANSI bright cyan (eg. `\x1b[1;36m`) */
+    brightCyan?: string;
+    /** ANSI bright white (eg. `\x1b[1;37m`) */
+    brightWhite?: string;
+    /** ANSI extended colors (16-255) */
+    extendedAnsi?: string[];
+  }
+
+  /**
+   * Pty information for Windows.
+   */
+  export interface IWindowsPty {
+    /**
+     * What pty emulation backend is being used.
+     */
+    backend?: 'conpty' | 'winpty';
+    /**
+     * The Windows build version (eg. 19045)
+     */
+    buildNumber?: number;
+  }
+
+  /**
+   * A replacement logger for `console`.
+   */
+  export interface ILogger {
+    /**
+     * Log a trace message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to trace.
+     */
+    trace(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to debug or below.
+     */
+    debug(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to info or below.
+     */
+    info(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to warn or below.
+     */
+    warn(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to error or below.
+     */
+    error(message: string | Error, ...args: any[]): void;
+  }
+
+  /**
+   * An object that can be disposed via a dispose function.
+   */
+  export interface IDisposable {
+    dispose(): void;
+  }
+
+  /**
+   * An event that can be listened to.
+   * @returns an `IDisposable` to stop listening.
+   */
+  export interface IEvent<T, U = void> {
+    (listener: (arg1: T, arg2: U) => any): IDisposable;
+  }
+
+  /**
+   * Represents a specific line in the terminal that is tracked when scrollback
+   * is trimmed and lines are added or removed. This is a single line that may
+   * be part of a larger wrapped line.
+   */
+  export interface IMarker extends IDisposableWithEvent {
+    /**
+     * A unique identifier for this marker.
+     */
+    readonly id: number;
+
+    /**
+     * The actual line index in the buffer at this point in time. This is set to
+     * -1 if the marker has been disposed.
+     */
+    readonly line: number;
+  }
+
+  /**
+   * Represents a disposable that tracks is disposed state.
+   */
+  export interface IDisposableWithEvent extends IDisposable {
+    /**
+     * Event listener to get notified when this gets disposed.
+     */
+    onDispose: IEvent<void>;
+
+    /**
+     * Whether this is disposed.
+     */
+    readonly isDisposed: boolean;
+  }
+
+  /**
+   * Represents a decoration in the terminal that is associated with a
+   * particular marker and DOM element.
+   */
+  export interface IDecoration extends IDisposableWithEvent {
+    /*
+     * The marker for the decoration in the terminal.
+     */
+    readonly marker: IMarker;
+
+    /**
+     * An event fired when the decoration
+     * is rendered, returns the dom element
+     * associated with the decoration.
+     */
+    readonly onRender: IEvent<HTMLElement>;
+
+    /**
+     * The element that the decoration is rendered to. This will be undefined
+     * until it is rendered for the first time by {@link IDecoration.onRender}.
+     * that.
+     */
+    element: HTMLElement | undefined;
+
+    /**
+     * The options for the overview ruler that can be updated. This will only
+     * take effect when {@link IDecorationOptions.overviewRulerOptions} were
+     * provided initially.
+     */
+    options: Pick<IDecorationOptions, 'overviewRulerOptions'>;
+  }
+
+
+  /**
+   * Overview ruler decoration options
+   */
+  interface IDecorationOverviewRulerOptions {
+    color: string;
+    position?: 'left' | 'center' | 'right' | 'full';
+  }
+
+  /*
+   * Options that define the presentation of the decoration.
+   */
+  export interface IDecorationOptions {
+    /**
+     * The line in the terminal where
+     * the decoration will be displayed
+     */
+    readonly marker: IMarker;
+
+    /*
+     * Where the decoration will be anchored -
+     * defaults to the left edge
+     */
+    readonly anchor?: 'right' | 'left';
+
+    /**
+     * The x position offset relative to the anchor
+     */
+    readonly x?: number;
+
+
+    /**
+     * The width of the decoration in cells, defaults to 1.
+     */
+    readonly width?: number;
+
+    /**
+     * The height of the decoration in cells, defaults to 1.
+     */
+    readonly height?: number;
+
+    /**
+     * The background color of the cell(s). When 2 decorations both set the
+     * foreground color the last registered decoration will be used. Only the
+     * `#RRGGBB` format is supported.
+     */
+    readonly backgroundColor?: string;
+
+    /**
+     * The foreground color of the cell(s). When 2 decorations both set the
+     * foreground color the last registered decoration will be used. Only the
+     * `#RRGGBB` format is supported.
+     */
+    readonly foregroundColor?: string;
+
+    /**
+     * What layer to render the decoration at when {@link backgroundColor} or
+     * {@link foregroundColor} are used. `'bottom'` will render under the
+     * selection, `'top`' will render above the selection\*.
+     *
+     * *\* The selection will render on top regardless of layer on the canvas
+     * renderer due to how it renders selection separately.*
+     */
+    readonly layer?: 'bottom' | 'top';
+
+    /**
+     * When defined, renders the decoration in the overview ruler to the right
+     * of the terminal. {@link ITerminalOptions.overviewRulerWidth} must be set
+     * in order to see the overview ruler.
+     * @param color The color of the decoration.
+     * @param position The position of the decoration.
+     */
+    overviewRulerOptions?: IDecorationOverviewRulerOptions;
+  }
+
+  /**
+   * The set of localizable strings.
+   */
+  export interface ILocalizableStrings {
+    /**
+     * The aria label for the underlying input textarea for the terminal.
+     */
+    promptLabel: string;
+
+    /**
+     * Announcement for when line reading is suppressed due to too many lines
+     * being printed to the terminal when `screenReaderMode` is enabled.
+     */
+    tooMuchOutput: string;
+  }
+
+  /**
+   * Enable various window manipulation and report features
+   * (`CSI Ps ; Ps ; Ps t`).
+   *
+   * Most settings have no default implementation, as they heavily rely on
+   * the embedding environment.
+   *
+   * To implement a feature, create a custom CSI hook like this:
+   * ```ts
+   * term.parser.addCsiHandler({final: 't'}, params => {
+   *   const ps = params[0];
+   *   switch (ps) {
+   *     case XY:
+   *       ...            // your implementation for option XY
+   *       return true;   // signal Ps=XY was handled
+   *   }
+   *   return false;      // any Ps that was not handled
+   * });
+   * ```
+   *
+   * Note on security:
+   * Most features are meant to deal with some information of the host machine
+   * where the terminal runs on. This is seen as a security risk possibly
+   * leaking sensitive data of the host to the program in the terminal.
+   * Therefore all options (even those without a default implementation) are
+   * guarded by the boolean flag and disabled by default.
+   */
+  export interface IWindowOptions {
+    /**
+     * Ps=1    De-iconify window.
+     * No default implementation.
+     */
+    restoreWin?: boolean;
+    /**
+     * Ps=2    Iconify window.
+     * No default implementation.
+     */
+    minimizeWin?: boolean;
+    /**
+     * Ps=3 ; x ; y
+     * Move window to [x, y].
+     * No default implementation.
+     */
+    setWinPosition?: boolean;
+    /**
+     * Ps = 4 ; height ; width
+     * Resize the window to given `height` and `width` in pixels.
+     * Omitted parameters should reuse the current height or width.
+     * Zero parameters should use the display's height or width.
+     * No default implementation.
+     */
+    setWinSizePixels?: boolean;
+    /**
+     * Ps=5    Raise the window to the front of the stacking order.
+     * No default implementation.
+     */
+    raiseWin?: boolean;
+    /**
+     * Ps=6    Lower the xterm window to the bottom of the stacking order.
+     * No default implementation.
+     */
+    lowerWin?: boolean;
+    /** Ps=7    Refresh the window. */
+    refreshWin?: boolean;
+    /**
+     * Ps = 8 ; height ; width
+     * Resize the text area to given height and width in characters.
+     * Omitted parameters should reuse the current height or width.
+     * Zero parameters use the display's height or width.
+     * No default implementation.
+     */
+    setWinSizeChars?: boolean;
+    /**
+     * Ps=9 ; 0   Restore maximized window.
+     * Ps=9 ; 1   Maximize window (i.e., resize to screen size).
+     * Ps=9 ; 2   Maximize window vertically.
+     * Ps=9 ; 3   Maximize window horizontally.
+     * No default implementation.
+     */
+    maximizeWin?: boolean;
+    /**
+     * Ps=10 ; 0  Undo full-screen mode.
+     * Ps=10 ; 1  Change to full-screen.
+     * Ps=10 ; 2  Toggle full-screen.
+     * No default implementation.
+     */
+    fullscreenWin?: boolean;
+    /** Ps=11   Report xterm window state.
+     * If the xterm window is non-iconified, it returns "CSI 1 t".
+     * If the xterm window is iconified, it returns "CSI 2 t".
+     * No default implementation.
+     */
+    getWinState?: boolean;
+    /**
+     * Ps=13      Report xterm window position. Result is "CSI 3 ; x ; y t".
+     * Ps=13 ; 2  Report xterm text-area position. Result is "CSI 3 ; x ; y t".
+     * No default implementation.
+     */
+    getWinPosition?: boolean;
+    /**
+     * Ps=14      Report xterm text area size in pixels. Result is "CSI 4 ; height ; width t".
+     * Ps=14 ; 2  Report xterm window size in pixels. Result is "CSI  4 ; height ; width t".
+     * Has a default implementation.
+     */
+    getWinSizePixels?: boolean;
+    /**
+     * Ps=15    Report size of the screen in pixels. Result is "CSI 5 ; height ; width t".
+     * No default implementation.
+     */
+    getScreenSizePixels?: boolean;
+    /**
+     * Ps=16  Report xterm character cell size in pixels. Result is "CSI 6 ; height ; width t".
+     * Has a default implementation.
+     */
+    getCellSizePixels?: boolean;
+    /**
+     * Ps=18  Report the size of the text area in characters. Result is "CSI 8 ; height ; width t".
+     * Has a default implementation.
+     */
+    getWinSizeChars?: boolean;
+    /**
+     * Ps=19  Report the size of the screen in characters. Result is "CSI 9 ; height ; width t".
+     * No default implementation.
+     */
+    getScreenSizeChars?: boolean;
+    /**
+     * Ps=20  Report xterm window's icon label. Result is "OSC L label ST".
+     * No default implementation.
+     */
+    getIconTitle?: boolean;
+    /**
+     * Ps=21  Report xterm window's title. Result is "OSC l label ST".
+     * No default implementation.
+     */
+    getWinTitle?: boolean;
+    /**
+     * Ps=22 ; 0  Save xterm icon and window title on stack.
+     * Ps=22 ; 1  Save xterm icon title on stack.
+     * Ps=22 ; 2  Save xterm window title on stack.
+     * All variants have a default implementation.
+     */
+    pushTitle?: boolean;
+    /**
+     * Ps=23 ; 0  Restore xterm icon and window title from stack.
+     * Ps=23 ; 1  Restore xterm icon title from stack.
+     * Ps=23 ; 2  Restore xterm window title from stack.
+     * All variants have a default implementation.
+     */
+    popTitle?: boolean;
+    /**
+     * Ps>=24  Resize to Ps lines (DECSLPP).
+     * DECSLPP is not implemented. This settings is also used to
+     * enable / disable DECCOLM (earlier variant of DECSLPP).
+     */
+    setWinLines?: boolean;
+  }
+
+  /**
+   * The class that represents an xterm.js terminal.
+   */
+  export class Terminal implements IDisposable {
+    /**
+     * The element containing the terminal.
+     */
+    readonly element: HTMLElement | undefined;
+
+    /**
+     * The textarea that accepts input for the terminal.
+     */
+    readonly textarea: HTMLTextAreaElement | undefined;
+
+    /**
+     * The number of rows in the terminal's viewport. Use
+     * `ITerminalOptions.rows` to set this in the constructor and
+     * `Terminal.resize` for when the terminal exists.
+     */
+    readonly rows: number;
+
+    /**
+     * The number of columns in the terminal's viewport. Use
+     * `ITerminalOptions.cols` to set this in the constructor and
+     * `Terminal.resize` for when the terminal exists.
+     */
+    readonly cols: number;
+
+    /**
+     * Access to the terminal's normal and alt buffer.
+     */
+    readonly buffer: IBufferNamespace;
+
+    /**
+     * (EXPERIMENTAL) Get all markers registered against the buffer. If the alt
+     * buffer is active this will always return [].
+     */
+    readonly markers: ReadonlyArray<IMarker>;
+
+    /**
+     * Get the parser interface to register custom escape sequence handlers.
+     */
+    readonly parser: IParser;
+
+    /**
+     * (EXPERIMENTAL) Get the Unicode handling interface
+     * to register and switch Unicode version.
+     */
+    readonly unicode: IUnicodeHandling;
+
+    /**
+     * Gets the terminal modes as set by SM/DECSET.
+     */
+    readonly modes: IModes;
+
+    /**
+     * Gets or sets the terminal options. This supports setting multiple
+     * options.
+     *
+     * @example Get a single option
+     * ```ts
+     * console.log(terminal.options.fontSize);
+     * ```
+     *
+     * @example Set a single option:
+     * ```ts
+     * terminal.options.fontSize = 12;
+     * ```
+     * Note that for options that are object, a new object must be used in order
+     * to take effect as a reference comparison will be done:
+     * ```ts
+     * const newValue = terminal.options.theme;
+     * newValue.background = '#000000';
+     *
+     * // This won't work
+     * terminal.options.theme = newValue;
+     *
+     * // This will work
+     * terminal.options.theme = { ...newValue };
+     * ```
+     *
+     * @example Set multiple options
+     * ```ts
+     * terminal.options = {
+     *   fontSize: 12,
+     *   fontFamily: 'Courier New'
+     * };
+     * ```
+     */
+    options: ITerminalOptions;
+
+    /**
+     * Natural language strings that can be localized.
+     */
+    static strings: ILocalizableStrings;
+
+    /**
+     * Creates a new `Terminal` object.
+     *
+     * @param options An object containing a set of options.
+     */
+    constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions);
+
+    /**
+     * Adds an event listener for when the bell is triggered.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBell: IEvent<void>;
+
+    /**
+     * Adds an event listener for when a binary event fires. This is used to
+     * enable non UTF-8 conformant binary messages to be sent to the backend.
+     * Currently this is only used for a certain type of mouse reports that
+     * happen to be not UTF-8 compatible.
+     * The event value is a JS string, pass it to the underlying pty as
+     * binary data, e.g. `pty.write(Buffer.from(data, 'binary'))`.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBinary: IEvent<string>;
+
+    /**
+     * Adds an event listener for the cursor moves.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onCursorMove: IEvent<void>;
+
+    /**
+     * Adds an event listener for when a data event fires. This happens for
+     * example when the user types or pastes into the terminal. The event value
+     * is whatever `string` results, in a typical setup, this should be passed
+     * on to the backing pty.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onData: IEvent<string>;
+
+    /**
+     * Adds an event listener for when a key is pressed. The event value
+     * contains the string that will be sent in the data event as well as the
+     * DOM event that triggered it.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onKey: IEvent<{ key: string, domEvent: KeyboardEvent }>;
+
+    /**
+     * Adds an event listener for when a line feed is added.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onLineFeed: IEvent<void>;
+
+    /**
+     * Adds an event listener for when rows are rendered. The event value
+     * contains the start row and end rows of the rendered area (ranges from `0`
+     * to `Terminal.rows - 1`).
+     * @returns an `IDisposable` to stop listening.
+     */
+    onRender: IEvent<{ start: number, end: number }>;
+
+    /**
+     * Adds an event listener for when data has been parsed by the terminal,
+     * after {@link write} is called. This event is useful to listen for any
+     * changes in the buffer.
+     *
+     * This fires at most once per frame, after data parsing completes. Note
+     * that this can fire when there are still writes pending if there is a lot
+     * of data.
+     */
+    onWriteParsed: IEvent<void>;
+
+    /**
+     * Adds an event listener for when the terminal is resized. The event value
+     * contains the new size.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onResize: IEvent<{ cols: number, rows: number }>;
+
+    /**
+     * Adds an event listener for when a scroll occurs. The event value is the
+     * new position of the viewport.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onScroll: IEvent<number>;
+
+    /**
+     * Adds an event listener for when a selection change occurs.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onSelectionChange: IEvent<void>;
+
+    /**
+     * Adds an event listener for when an OSC 0 or OSC 2 title change occurs.
+     * The event value is the new title.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onTitleChange: IEvent<string>;
+
+    /**
+     * Unfocus the terminal.
+     */
+    blur(): void;
+
+    /**
+     * Focus the terminal.
+     */
+    focus(): void;
+
+    /**
+     * Input data to application side. The data is treated the same way input
+     * typed into the terminal would (ie. the {@link onData} event will fire).
+     * @param data The data to forward to the application.
+     * @param wasUserInput Whether the input is genuine user input. This is true
+     * by default and triggers additionalbehavior like focus or selection
+     * clearing. Set this to false if the data sent should not be treated like
+     * user input would, for example passing an escape sequence to the
+     * application.
+     */
+    input(data: string, wasUserInput?: boolean): void;
+
+    /**
+     * Resizes the terminal. It's best practice to debounce calls to resize,
+     * this will help ensure that the pty can respond to the resize event
+     * before another one occurs.
+     * @param x The number of columns to resize to.
+     * @param y The number of rows to resize to.
+     */
+    resize(columns: number, rows: number): void;
+
+    /**
+     * Opens the terminal within an element. This should also be called if the
+     * xterm.js element ever changes browser window.
+     * @param parent The element to create the terminal within. This element
+     * must be visible (have dimensions) when `open` is called as several DOM-
+     * based measurements need to be performed when this function is called.
+     */
+    open(parent: HTMLElement): void;
+
+    /**
+     * Attaches a custom key event handler which is run before keys are
+     * processed, giving consumers of xterm.js ultimate control as to what keys
+     * should be processed by the terminal and what keys should not.
+     * @param customKeyEventHandler The custom KeyboardEvent handler to attach.
+     * This is a function that takes a KeyboardEvent, allowing consumers to stop
+     * propagation and/or prevent the default action. The function returns
+     * whether the event should be processed by xterm.js.
+     *
+     * @example A custom keymap that overrides the backspace key
+     * ```ts
+     * const keymap = [
+     *   { "key": "Backspace", "shiftKey": false, "mapCode": 8 },
+     *   { "key": "Backspace", "shiftKey": true, "mapCode": 127 }
+     * ];
+     * term.attachCustomKeyEventHandler(ev => {
+     *   if (ev.type === 'keydown') {
+     *     for (let i in keymap) {
+     *       if (keymap[i].key == ev.key && keymap[i].shiftKey == ev.shiftKey) {
+     *         socket.send(String.fromCharCode(keymap[i].mapCode));
+     *         return false;
+     *       }
+     *     }
+     *   }
+     * });
+     * ```
+     */
+    attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void;
+
+    /**
+     * Attaches a custom wheel event handler which is run before keys are
+     * processed, giving consumers of xterm.js control over whether to proceed
+     * or cancel terminal wheel events.
+     * @param customWheelEventHandler The custom WheelEvent handler to attach.
+     * This is a function that takes a WheelEvent, allowing consumers to stop
+     * propagation and/or prevent the default action. The function returns
+     * whether the event should be processed by xterm.js.
+     *
+     * @example A handler that prevents all wheel events while ctrl is held from
+     * being processed.
+     * ```ts
+     * term.attachCustomWheelEventHandler(ev => {
+     *   if (ev.ctrlKey) {
+     *     return false;
+     *   }
+     *   return true;
+     * });
+     * ```
+     */
+    attachCustomWheelEventHandler(customWheelEventHandler: (event: WheelEvent) => boolean): void;
+
+    /**
+     * Registers a link provider, allowing a custom parser to be used to match
+     * and handle links. Multiple link providers can be used, they will be asked
+     * in the order in which they are registered.
+     * @param linkProvider The link provider to use to detect links.
+     */
+    registerLinkProvider(linkProvider: ILinkProvider): IDisposable;
+
+    /**
+     * (EXPERIMENTAL) Registers a character joiner, allowing custom sequences of
+     * characters to be rendered as a single unit. This is useful in particular
+     * for rendering ligatures and graphemes, among other things.
+     *
+     * Each registered character joiner is called with a string of text
+     * representing a portion of a line in the terminal that can be rendered as
+     * a single unit. The joiner must return a sorted array, where each entry is
+     * itself an array of length two, containing the start (inclusive) and end
+     * (exclusive) index of a substring of the input that should be rendered as
+     * a single unit. When multiple joiners are provided, the results of each
+     * are collected. If there are any overlapping substrings between them, they
+     * are combined into one larger unit that is drawn together.
+     *
+     * All character joiners that are registered get called every time a line is
+     * rendered in the terminal, so it is essential for the handler function to
+     * run as quickly as possible to avoid slowdowns when rendering. Similarly,
+     * joiners should strive to return the smallest possible substrings to
+     * render together, since they aren't drawn as optimally as individual
+     * characters.
+     *
+     * NOTE: character joiners are only used by the canvas renderer.
+     *
+     * @param handler The function that determines character joins. It is called
+     * with a string of text that is eligible for joining and returns an array
+     * where each entry is an array containing the start (inclusive) and end
+     * (exclusive) indexes of ranges that should be rendered as a single unit.
+     * @returns The ID of the new joiner, this can be used to deregister
+     */
+    registerCharacterJoiner(handler: (text: string) => [number, number][]): number;
+
+    /**
+     * (EXPERIMENTAL) Deregisters the character joiner if one was registered.
+     * NOTE: character joiners are only used by the canvas renderer.
+     * @param joinerId The character joiner's ID (returned after register)
+     */
+    deregisterCharacterJoiner(joinerId: number): void;
+
+    /**
+     * Adds a marker to the normal buffer and returns it.
+     * @param cursorYOffset The y position offset of the marker from the cursor.
+     * @returns The new marker or undefined.
+     */
+    registerMarker(cursorYOffset?: number): IMarker;
+
+    /**
+     * (EXPERIMENTAL) Adds a decoration to the terminal using
+     * @param decorationOptions, which takes a marker and an optional anchor,
+     * width, height, and x offset from the anchor. Returns the decoration or
+     * undefined if the alt buffer is active or the marker has already been
+     * disposed of.
+     * @throws when options include a negative x offset.
+     */
+    registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;
+
+    /**
+     * Gets whether the terminal has an active selection.
+     */
+    hasSelection(): boolean;
+
+    /**
+     * Gets the terminal's current selection, this is useful for implementing
+     * copy behavior outside of xterm.js.
+     */
+    getSelection(): string;
+
+    /**
+     * Gets the selection position or undefined if there is no selection.
+     */
+    getSelectionPosition(): IBufferRange | undefined;
+
+    /**
+     * Clears the current terminal selection.
+     */
+    clearSelection(): void;
+
+    /**
+     * Selects text within the terminal.
+     * @param column The column the selection starts at.
+     * @param row The row the selection starts at.
+     * @param length The length of the selection.
+     */
+    select(column: number, row: number, length: number): void;
+
+    /**
+     * Selects all text within the terminal.
+     */
+    selectAll(): void;
+
+    /**
+     * Selects text in the buffer between 2 lines.
+     * @param start The 0-based line index to select from (inclusive).
+     * @param end The 0-based line index to select to (inclusive).
+     */
+    selectLines(start: number, end: number): void;
+
+    /*
+     * Disposes of the terminal, detaching it from the DOM and removing any
+     * active listeners. Once the terminal is disposed it should not be used
+     * again.
+     */
+    dispose(): void;
+
+    /**
+     * Scroll the display of the terminal
+     * @param amount The number of lines to scroll down (negative scroll up).
+     */
+    scrollLines(amount: number): void;
+
+    /**
+     * Scroll the display of the terminal by a number of pages.
+     * @param pageCount The number of pages to scroll (negative scrolls up).
+     */
+    scrollPages(pageCount: number): void;
+
+    /**
+     * Scrolls the display of the terminal to the top.
+     */
+    scrollToTop(): void;
+
+    /**
+     * Scrolls the display of the terminal to the bottom.
+     */
+    scrollToBottom(): void;
+
+    /**
+     * Scrolls to a line within the buffer.
+     * @param line The 0-based line index to scroll to.
+     */
+    scrollToLine(line: number): void;
+
+    /**
+     * Clear the entire buffer, making the prompt line the new first line.
+     */
+    clear(): void;
+
+    /**
+     * Write data to the terminal.
+     * @param data The data to write to the terminal. This can either be raw
+     * bytes given as Uint8Array from the pty or a string. Raw bytes will always
+     * be treated as UTF-8 encoded, string data as UTF-16.
+     * @param callback Optional callback that fires when the data was processed
+     * by the parser.
+     */
+    write(data: string | Uint8Array, callback?: () => void): void;
+
+    /**
+     * Writes data to the terminal, followed by a break line character (\n).
+     * @param data The data to write to the terminal. This can either be raw
+     * bytes given as Uint8Array from the pty or a string. Raw bytes will always
+     * be treated as UTF-8 encoded, string data as UTF-16.
+     * @param callback Optional callback that fires when the data was processed
+     * by the parser.
+     */
+    writeln(data: string | Uint8Array, callback?: () => void): void;
+
+    /**
+     * Writes text to the terminal, performing the necessary transformations for
+     * pasted text.
+     * @param data The text to write to the terminal.
+     */
+    paste(data: string): void;
+
+    /**
+     * Tells the renderer to refresh terminal content between two rows
+     * (inclusive) at the next opportunity.
+     * @param start The row to start from (between 0 and this.rows - 1).
+     * @param end The row to end at (between start and this.rows - 1).
+     */
+    refresh(start: number, end: number): void;
+
+    /**
+     * Clears the texture atlas of the canvas renderer if it's active. Doing
+     * this will force a redraw of all glyphs which can workaround issues
+     * causing the texture to become corrupt, for example Chromium/Nvidia has an
+     * issue where the texture gets messed up when resuming the OS from sleep.
+     */
+    clearTextureAtlas(): void;
+
+    /**
+     * Perform a full reset (RIS, aka '\x1bc').
+     */
+    reset(): void;
+
+    /**
+     * Loads an addon into this instance of xterm.js.
+     * @param addon The addon to load.
+     */
+    loadAddon(addon: ITerminalAddon): void;
+  }
+
+  /**
+   * An addon that can provide additional functionality to the terminal.
+   */
+  export interface ITerminalAddon extends IDisposable {
+    /**
+     * This is called when the addon is activated.
+     */
+    activate(terminal: Terminal): void;
+  }
+
+  /**
+   * An object representing a range within the viewport of the terminal.
+   */
+  export interface IViewportRange {
+    /**
+     * The start of the range.
+     */
+    start: IViewportRangePosition;
+
+    /**
+     * The end of the range.
+     */
+    end: IViewportRangePosition;
+  }
+
+  /**
+   * An object representing a cell position within the viewport of the terminal.
+   */
+  interface IViewportRangePosition {
+    /**
+     * The x position of the cell. This is a 0-based index that refers to the
+     * space in between columns, not the column itself. Index 0 refers to the
+     * left side of the viewport, index `Terminal.cols` refers to the right side
+     * of the viewport. This can be thought of as how a cursor is positioned in
+     * a text editor.
+     */
+    x: number;
+
+    /**
+     * The y position of the cell. This is a 0-based index that refers to a
+     * specific row.
+     */
+    y: number;
+  }
+
+  /**
+   * A link handler for OSC 8 hyperlinks.
+   */
+  interface ILinkHandler {
+    /**
+     * Calls when the link is activated.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     * @param range The buffer range of the link.
+     */
+    activate(event: MouseEvent, text: string, range: IBufferRange): void;
+
+    /**
+     * Called when the mouse hovers the link. To use this to create a DOM-based
+     * hover tooltip, create the hover element within `Terminal.element` and
+     * add the `xterm-hover` class to it, that will cause mouse events to not
+     * fall through and activate other links.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     * @param range The buffer range of the link.
+     */
+    hover?(event: MouseEvent, text: string, range: IBufferRange): void;
+
+    /**
+     * Called when the mouse leaves the link.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     * @param range The buffer range of the link.
+     */
+    leave?(event: MouseEvent, text: string, range: IBufferRange): void;
+
+    /**
+     * Whether to receive non-HTTP URLs from LinkProvider. When false, any
+     * usage of non-HTTP URLs will be ignored. Enabling this option without
+     * proper protection in `activate` function may cause security issues such
+     * as XSS.
+     */
+    allowNonHttpProtocols?: boolean;
+  }
+
+  /**
+   * A custom link provider.
+   */
+  interface ILinkProvider {
+    /**
+     * Provides a link a buffer position
+     * @param bufferLineNumber The y position of the buffer to check for links
+     * within.
+     * @param callback The callback to be fired when ready with the resulting
+     * link(s) for the line or `undefined`.
+     */
+    provideLinks(bufferLineNumber: number, callback: (links: ILink[] | undefined) => void): void;
+  }
+
+  /**
+   * A link within the terminal.
+   */
+  interface ILink {
+    /**
+     * The buffer range of the link.
+     */
+    range: IBufferRange;
+
+    /**
+     * The text of the link.
+     */
+    text: string;
+
+    /**
+     * What link decorations to show when hovering the link, this property is
+     * tracked and changes made after the link is provided will trigger changes.
+     * If not set, all decroations will be enabled.
+     */
+    decorations?: ILinkDecorations;
+
+    /**
+     * Calls when the link is activated.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     */
+    activate(event: MouseEvent, text: string): void;
+
+    /**
+     * Called when the mouse hovers the link. To use this to create a DOM-based
+     * hover tooltip, create the hover element within `Terminal.element` and add
+     * the `xterm-hover` class to it, that will cause mouse events to not fall
+     * through and activate other links.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     */
+    hover?(event: MouseEvent, text: string): void;
+
+    /**
+     * Called when the mouse leaves the link.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     */
+    leave?(event: MouseEvent, text: string): void;
+
+    /**
+     * Called when the link is released and no longer used by xterm.js.
+     */
+    dispose?(): void;
+  }
+
+  /**
+   * A set of decorations that can be applied to links.
+   */
+  interface ILinkDecorations {
+    /**
+     * Whether the cursor is set to pointer.
+     */
+    pointerCursor: boolean;
+
+    /**
+     * Whether the underline is visible
+     */
+    underline: boolean;
+  }
+
+  /**
+   * A range within a buffer.
+   */
+  interface IBufferRange {
+    /**
+     * The start position of the range.
+     */
+    start: IBufferCellPosition;
+
+    /**
+     * The end position of the range.
+     */
+    end: IBufferCellPosition;
+  }
+
+  /**
+   * A position within a buffer.
+   */
+  interface IBufferCellPosition {
+    /**
+     * The x position within the buffer (1-based).
+     */
+    x: number;
+
+    /**
+     * The y position within the buffer (1-based).
+     */
+    y: number;
+  }
+
+  /**
+   * Represents a terminal buffer.
+   */
+  interface IBuffer {
+    /**
+     * The type of the buffer.
+     */
+    readonly type: 'normal' | 'alternate';
+
+    /**
+     * The y position of the cursor. This ranges between `0` (when the
+     * cursor is at baseY) and `Terminal.rows - 1` (when the cursor is on the
+     * last row).
+     */
+    readonly cursorY: number;
+
+    /**
+     * The x position of the cursor. This ranges between `0` (left side) and
+     * `Terminal.cols` (after last cell of the row).
+     */
+    readonly cursorX: number;
+
+    /**
+     * The line within the buffer where the top of the viewport is.
+     */
+    readonly viewportY: number;
+
+    /**
+     * The line within the buffer where the top of the bottom page is (when
+     * fully scrolled down).
+     */
+    readonly baseY: number;
+
+    /**
+     * The amount of lines in the buffer.
+     */
+    readonly length: number;
+
+    /**
+     * Gets a line from the buffer, or undefined if the line index does not
+     * exist.
+     *
+     * Note that the result of this function should be used immediately after
+     * calling as when the terminal updates it could lead to unexpected
+     * behavior.
+     *
+     * @param y The line index to get.
+     */
+    getLine(y: number): IBufferLine | undefined;
+
+    /**
+     * Creates an empty cell object suitable as a cell reference in
+     * `line.getCell(x, cell)`. Use this to avoid costly recreation of
+     * cell objects when dealing with tons of cells.
+     */
+    getNullCell(): IBufferCell;
+  }
+
+  export interface IBufferElementProvider {
+    /**
+     * Provides a document fragment or HTMLElement containing the buffer
+     * elements.
+     */
+    provideBufferElements(): DocumentFragment | HTMLElement;
+  }
+
+  /**
+   * Represents the terminal's set of buffers.
+   */
+  interface IBufferNamespace {
+    /**
+     * The active buffer, this will either be the normal or alternate buffers.
+     */
+    readonly active: IBuffer;
+
+    /**
+     * The normal buffer.
+     */
+    readonly normal: IBuffer;
+
+    /**
+     * The alternate buffer, this becomes the active buffer when an application
+     * enters this mode via DECSET (`CSI ? 4 7 h`)
+     */
+    readonly alternate: IBuffer;
+
+    /**
+     * Adds an event listener for when the active buffer changes.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBufferChange: IEvent<IBuffer>;
+  }
+
+  /**
+   * Represents a line in the terminal's buffer.
+   */
+  interface IBufferLine {
+    /**
+     * Whether the line is wrapped from the previous line.
+     */
+    readonly isWrapped: boolean;
+
+    /**
+     * The length of the line, all call to getCell beyond the length will result
+     * in `undefined`. Note that this may exceed columns as the line array may
+     * not be trimmed after a resize, compare against {@link Terminal.cols} to
+     * get the actual maximum length of a line.
+     */
+    readonly length: number;
+
+    /**
+     * Gets a cell from the line, or undefined if the line index does not exist.
+     *
+     * Note that the result of this function should be used immediately after
+     * calling as when the terminal updates it could lead to unexpected
+     * behavior.
+     *
+     * @param x The character index to get.
+     * @param cell Optional cell object to load data into for performance
+     * reasons. This is mainly useful when every cell in the buffer is being
+     * looped over to avoid creating new objects for every cell.
+     */
+    getCell(x: number, cell?: IBufferCell): IBufferCell | undefined;
+
+    /**
+     * Gets the line as a string. Note that this is gets only the string for the
+     * line, not taking isWrapped into account.
+     *
+     * @param trimRight Whether to trim any whitespace at the right of the line.
+     * @param startColumn The column to start from (inclusive).
+     * @param endColumn The column to end at (exclusive).
+     */
+    translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string;
+  }
+
+  /**
+   * Represents a single cell in the terminal's buffer.
+   */
+  interface IBufferCell {
+    /**
+     * The width of the character. Some examples:
+     *
+     * - `1` for most cells.
+     * - `2` for wide character like CJK glyphs.
+     * - `0` for cells immediately following cells with a width of `2`.
+     */
+    getWidth(): number;
+
+    /**
+     * The character(s) within the cell. Examples of what this can contain:
+     *
+     * - A normal width character
+     * - A wide character (eg. CJK)
+     * - An emoji
+     */
+    getChars(): string;
+
+    /**
+     * Gets the UTF32 codepoint of single characters, if content is a combined
+     * string it returns the codepoint of the last character in the string.
+     */
+    getCode(): number;
+
+    /**
+     * Gets the number representation of the foreground color mode, this can be
+     * used to perform quick comparisons of 2 cells to see if they're the same.
+     * Use `isFgRGB`, `isFgPalette` and `isFgDefault` to check what color mode
+     * a cell is.
+     */
+    getFgColorMode(): number;
+
+    /**
+     * Gets the number representation of the background color mode, this can be
+     * used to perform quick comparisons of 2 cells to see if they're the same.
+     * Use `isBgRGB`, `isBgPalette` and `isBgDefault` to check what color mode
+     * a cell is.
+     */
+    getBgColorMode(): number;
+
+    /**
+     * Gets a cell's foreground color number, this differs depending on what the
+     * color mode of the cell is:
+     *
+     * - Default: This should be 0, representing the default foreground color
+     *   (CSI 39 m).
+     * - Palette: This is a number from 0 to 255 of ANSI colors (CSI 3(0-7) m,
+     *   CSI 9(0-7) m, CSI 38 ; 5 ; 0-255 m).
+     * - RGB: A hex value representing a 'true color': 0xRRGGBB.
+     *   (CSI 3 8 ; 2 ; Pi ; Pr ; Pg ; Pb)
+     */
+    getFgColor(): number;
+
+    /**
+     * Gets a cell's background color number, this differs depending on what the
+     * color mode of the cell is:
+     *
+     * - Default: This should be 0, representing the default background color
+     *   (CSI 49 m).
+     * - Palette: This is a number from 0 to 255 of ANSI colors
+     *   (CSI 4(0-7) m, CSI 10(0-7) m, CSI 48 ; 5 ; 0-255 m).
+     * - RGB: A hex value representing a 'true color': 0xRRGGBB
+     *   (CSI 4 8 ; 2 ; Pi ; Pr ; Pg ; Pb)
+     */
+    getBgColor(): number;
+
+    /** Whether the cell has the bold attribute (CSI 1 m). */
+    isBold(): number;
+    /** Whether the cell has the italic attribute (CSI 3 m). */
+    isItalic(): number;
+    /** Whether the cell has the dim attribute (CSI 2 m). */
+    isDim(): number;
+    /** Whether the cell has the underline attribute (CSI 4 m). */
+    isUnderline(): number;
+    /** Whether the cell has the blink attribute (CSI 5 m). */
+    isBlink(): number;
+    /** Whether the cell has the inverse attribute (CSI 7 m). */
+    isInverse(): number;
+    /** Whether the cell has the invisible attribute (CSI 8 m). */
+    isInvisible(): number;
+    /** Whether the cell has the strikethrough attribute (CSI 9 m). */
+    isStrikethrough(): number;
+    /** Whether the cell has the overline attribute (CSI 53 m). */
+    isOverline(): number;
+
+    /** Whether the cell is using the RGB foreground color mode. */
+    isFgRGB(): boolean;
+    /** Whether the cell is using the RGB background color mode. */
+    isBgRGB(): boolean;
+    /** Whether the cell is using the palette foreground color mode. */
+    isFgPalette(): boolean;
+    /** Whether the cell is using the palette background color mode. */
+    isBgPalette(): boolean;
+    /** Whether the cell is using the default foreground color mode. */
+    isFgDefault(): boolean;
+    /** Whether the cell is using the default background color mode. */
+    isBgDefault(): boolean;
+
+    /** Whether the cell has the default attribute (no color or style). */
+    isAttributeDefault(): boolean;
+  }
+
+  /**
+   * Data type to register a CSI, DCS or ESC callback in the parser
+   * in the form:
+   *    ESC I..I F
+   *    CSI Prefix P..P I..I F
+   *    DCS Prefix P..P I..I F data_bytes ST
+   *
+   * with these rules/restrictions:
+   * - prefix can only be used with CSI and DCS
+   * - only one leading prefix byte is recognized by the parser
+   *   before any other parameter bytes (P..P)
+   * - intermediate bytes are recognized up to 2
+   *
+   * For custom sequences make sure to read ECMA-48 and the resources at
+   * vt100.net to not clash with existing sequences or reserved address space.
+   * General recommendations:
+   * - use private address space (see ECMA-48)
+   * - use max one intermediate byte (technically not limited by the spec,
+   *   in practice there are no sequences with more than one intermediate byte,
+   *   thus parsers might get confused with more intermediates)
+   * - test against other common emulators to check whether they escape/ignore
+   *   the sequence correctly
+   *
+   * Notes: OSC command registration is handled differently (see addOscHandler)
+   *        APC, PM or SOS is currently not supported.
+   */
+  export interface IFunctionIdentifier {
+    /**
+     * Optional prefix byte, must be in range \x3c .. \x3f.
+     * Usable in CSI and DCS.
+     */
+    prefix?: string;
+    /**
+     * Optional intermediate bytes, must be in range \x20 .. \x2f.
+     * Usable in CSI, DCS and ESC.
+     */
+    intermediates?: string;
+    /**
+     * Final byte, must be in range \x40 .. \x7e for CSI and DCS,
+     * \x30 .. \x7e for ESC.
+     */
+    final: string;
+  }
+
+  /**
+   * Allows hooking into the parser for custom handling of escape sequences.
+   *
+   * Note on sync vs. async handlers:
+   * xterm.js implements all parser actions with synchronous handlers.
+   * In general custom handlers should also operate in sync mode wherever
+   * possible to keep the parser fast.
+   * Still the exposed interfaces allow to register async handlers by returning
+   * a `Promise<boolean>`. Here the parser will pause input processing until
+   * the promise got resolved or rejected (in-band blocking). This "full stop"
+   * on the input chain allows to implement backpressure from a certain async
+   * action while the terminal state will not progress any further from input.
+   * It does not mean that the terminal state will not change at all in between,
+   * as user actions like resize or reset are still processed immediately.
+   * It is an error to assume a stable terminal state while giving back control
+   * in between, e.g. by multiple chained `then` calls.
+   * Downside of an async handler is a rather bad throughput performance,
+   * thus use async handlers only as a last resort or for actions that have
+   * to rely on async interfaces itself.
+   */
+  export interface IParser {
+    /**
+     * Adds a handler for CSI escape sequences.
+     * @param id Specifies the function identifier under which the callback gets
+     * registered, e.g. {final: 'm'} for SGR.
+     * @param callback The function to handle the sequence. The callback is
+     * called with the numerical params. If the sequence has subparams the array
+     * will contain subarrays with their numercial values. Return `true` if the
+     * sequence was handled, `false` if the parser should try a previous
+     * handler. The most recently added handler is tried first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable;
+
+    /**
+     * Adds a handler for DCS escape sequences.
+     * @param id Specifies the function identifier under which the callback gets
+     * registered, e.g. {intermediates: '$' final: 'q'} for DECRQSS.
+     * @param callback The function to handle the sequence. Note that the
+     * function will only be called once if the sequence finished sucessfully.
+     * There is currently no way to intercept smaller data chunks, data chunks
+     * will be stored up until the sequence is finished. Since DCS sequences are
+     * not limited by the amount of data this might impose a problem for big
+     * payloads. Currently xterm.js limits DCS payload to 10 MB which should
+     * give enough room for most use cases. The function gets the payload and
+     * numerical parameters as arguments. Return `true` if the sequence was
+     * handled, `false` if the parser should try a previous handler. The most
+     * recently added handler is tried first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable;
+
+    /**
+     * Adds a handler for ESC escape sequences.
+     * @param id Specifies the function identifier under which the callback gets
+     * registered, e.g. {intermediates: '%' final: 'G'} for default charset
+     * selection.
+     * @param callback The function to handle the sequence.
+     * Return `true` if the sequence was handled, `false` if the parser should
+     * try a previous handler. The most recently added handler is tried first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable;
+
+    /**
+     * Adds a handler for OSC escape sequences.
+     * @param ident The number (first parameter) of the sequence.
+     * @param callback The function to handle the sequence. Note that the
+     * function will only be called once if the sequence finished sucessfully.
+     * There is currently no way to intercept smaller data chunks, data chunks
+     * will be stored up until the sequence is finished. Since OSC sequences are
+     * not limited by the amount of data this might impose a problem for big
+     * payloads. Currently xterm.js limits OSC payload to 10 MB which should
+     * give enough room for most use cases. The callback is called with OSC data
+     * string. Return `true` if the sequence was handled, `false` if the parser
+     * should try a previous handler. The most recently added handler is tried
+     * first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable;
+  }
+
+  /**
+   * (EXPERIMENTAL) Unicode version provider.
+   * Used to register custom Unicode versions with `Terminal.unicode.register`.
+   */
+  export interface IUnicodeVersionProvider {
+    /**
+     * String indicating the Unicode version provided.
+     */
+    readonly version: string;
+
+    /**
+     * Unicode version dependent wcwidth implementation.
+     */
+    wcwidth(codepoint: number): 0 | 1 | 2;
+    charProperties(codepoint: number, preceding: number): number;
+  }
+
+  /**
+   * (EXPERIMENTAL) Unicode handling interface.
+   */
+  export interface IUnicodeHandling {
+    /**
+     * Register a custom Unicode version provider.
+     */
+    register(provider: IUnicodeVersionProvider): void;
+
+    /**
+     * Registered Unicode versions.
+     */
+    readonly versions: ReadonlyArray<string>;
+
+    /**
+     * Getter/setter for active Unicode version.
+     */
+    activeVersion: string;
+  }
+
+  /**
+   * Terminal modes as set by SM/DECSET.
+   */
+  export interface IModes {
+    /**
+     * Application Cursor Keys (DECCKM): `CSI ? 1 h`
+     */
+    readonly applicationCursorKeysMode: boolean;
+    /**
+     * Application Keypad Mode (DECNKM): `CSI ? 6 6 h`
+     */
+    readonly applicationKeypadMode: boolean;
+    /**
+     * Bracketed Paste Mode: `CSI ? 2 0 0 4 h`
+     */
+    readonly bracketedPasteMode: boolean;
+    /**
+     * Insert Mode (IRM): `CSI 4 h`
+     */
+    readonly insertMode: boolean;
+    /**
+     * Mouse Tracking, this can be one of the following:
+     * - none: This is the default value and can be reset with DECRST
+     * - x10: Send Mouse X & Y on button press `CSI ? 9 h`
+     * - vt200: Send Mouse X & Y on button press and release `CSI ? 1 0 0 0 h`
+     * - drag: Use Cell Motion Mouse Tracking `CSI ? 1 0 0 2 h`
+     * - any: Use All Motion Mouse Tracking `CSI ? 1 0 0 3 h`
+     */
+    readonly mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any';
+    /**
+     * Origin Mode (DECOM): `CSI ? 6 h`
+     */
+    readonly originMode: boolean;
+    /**
+     * Reverse-wraparound Mode: `CSI ? 4 5 h`
+     */
+    readonly reverseWraparoundMode: boolean;
+    /**
+     * Send FocusIn/FocusOut events: `CSI ? 1 0 0 4 h`
+     */
+    readonly sendFocusMode: boolean;
+    /**
+     * Auto-Wrap Mode (DECAWM): `CSI ? 7 h`
+     */
+    readonly wraparoundMode: boolean;
+  }
+}
diff --git a/web/public/node_modules/ansi-styles/index.d.ts b/web/public/node_modules/ansi-styles/index.d.ts
new file mode 100644
index 000000000..44a907e58
--- /dev/null
+++ b/web/public/node_modules/ansi-styles/index.d.ts
@@ -0,0 +1,345 @@
+declare type CSSColor =
+	| 'aliceblue'
+	| 'antiquewhite'
+	| 'aqua'
+	| 'aquamarine'
+	| 'azure'
+	| 'beige'
+	| 'bisque'
+	| 'black'
+	| 'blanchedalmond'
+	| 'blue'
+	| 'blueviolet'
+	| 'brown'
+	| 'burlywood'
+	| 'cadetblue'
+	| 'chartreuse'
+	| 'chocolate'
+	| 'coral'
+	| 'cornflowerblue'
+	| 'cornsilk'
+	| 'crimson'
+	| 'cyan'
+	| 'darkblue'
+	| 'darkcyan'
+	| 'darkgoldenrod'
+	| 'darkgray'
+	| 'darkgreen'
+	| 'darkgrey'
+	| 'darkkhaki'
+	| 'darkmagenta'
+	| 'darkolivegreen'
+	| 'darkorange'
+	| 'darkorchid'
+	| 'darkred'
+	| 'darksalmon'
+	| 'darkseagreen'
+	| 'darkslateblue'
+	| 'darkslategray'
+	| 'darkslategrey'
+	| 'darkturquoise'
+	| 'darkviolet'
+	| 'deeppink'
+	| 'deepskyblue'
+	| 'dimgray'
+	| 'dimgrey'
+	| 'dodgerblue'
+	| 'firebrick'
+	| 'floralwhite'
+	| 'forestgreen'
+	| 'fuchsia'
+	| 'gainsboro'
+	| 'ghostwhite'
+	| 'gold'
+	| 'goldenrod'
+	| 'gray'
+	| 'green'
+	| 'greenyellow'
+	| 'grey'
+	| 'honeydew'
+	| 'hotpink'
+	| 'indianred'
+	| 'indigo'
+	| 'ivory'
+	| 'khaki'
+	| 'lavender'
+	| 'lavenderblush'
+	| 'lawngreen'
+	| 'lemonchiffon'
+	| 'lightblue'
+	| 'lightcoral'
+	| 'lightcyan'
+	| 'lightgoldenrodyellow'
+	| 'lightgray'
+	| 'lightgreen'
+	| 'lightgrey'
+	| 'lightpink'
+	| 'lightsalmon'
+	| 'lightseagreen'
+	| 'lightskyblue'
+	| 'lightslategray'
+	| 'lightslategrey'
+	| 'lightsteelblue'
+	| 'lightyellow'
+	| 'lime'
+	| 'limegreen'
+	| 'linen'
+	| 'magenta'
+	| 'maroon'
+	| 'mediumaquamarine'
+	| 'mediumblue'
+	| 'mediumorchid'
+	| 'mediumpurple'
+	| 'mediumseagreen'
+	| 'mediumslateblue'
+	| 'mediumspringgreen'
+	| 'mediumturquoise'
+	| 'mediumvioletred'
+	| 'midnightblue'
+	| 'mintcream'
+	| 'mistyrose'
+	| 'moccasin'
+	| 'navajowhite'
+	| 'navy'
+	| 'oldlace'
+	| 'olive'
+	| 'olivedrab'
+	| 'orange'
+	| 'orangered'
+	| 'orchid'
+	| 'palegoldenrod'
+	| 'palegreen'
+	| 'paleturquoise'
+	| 'palevioletred'
+	| 'papayawhip'
+	| 'peachpuff'
+	| 'peru'
+	| 'pink'
+	| 'plum'
+	| 'powderblue'
+	| 'purple'
+	| 'rebeccapurple'
+	| 'red'
+	| 'rosybrown'
+	| 'royalblue'
+	| 'saddlebrown'
+	| 'salmon'
+	| 'sandybrown'
+	| 'seagreen'
+	| 'seashell'
+	| 'sienna'
+	| 'silver'
+	| 'skyblue'
+	| 'slateblue'
+	| 'slategray'
+	| 'slategrey'
+	| 'snow'
+	| 'springgreen'
+	| 'steelblue'
+	| 'tan'
+	| 'teal'
+	| 'thistle'
+	| 'tomato'
+	| 'turquoise'
+	| 'violet'
+	| 'wheat'
+	| 'white'
+	| 'whitesmoke'
+	| 'yellow'
+	| 'yellowgreen';
+
+declare namespace ansiStyles {
+	interface ColorConvert {
+		/**
+		The RGB color space.
+
+		@param red - (`0`-`255`)
+		@param green - (`0`-`255`)
+		@param blue - (`0`-`255`)
+		*/
+		rgb(red: number, green: number, blue: number): string;
+
+		/**
+		The RGB HEX color space.
+
+		@param hex - A hexadecimal string containing RGB data.
+		*/
+		hex(hex: string): string;
+
+		/**
+		@param keyword - A CSS color name.
+		*/
+		keyword(keyword: CSSColor): string;
+
+		/**
+		The HSL color space.
+
+		@param hue - (`0`-`360`)
+		@param saturation - (`0`-`100`)
+		@param lightness - (`0`-`100`)
+		*/
+		hsl(hue: number, saturation: number, lightness: number): string;
+
+		/**
+		The HSV color space.
+
+		@param hue - (`0`-`360`)
+		@param saturation - (`0`-`100`)
+		@param value - (`0`-`100`)
+		*/
+		hsv(hue: number, saturation: number, value: number): string;
+
+		/**
+		The HSV color space.
+
+		@param hue - (`0`-`360`)
+		@param whiteness - (`0`-`100`)
+		@param blackness - (`0`-`100`)
+		*/
+		hwb(hue: number, whiteness: number, blackness: number): string;
+
+		/**
+		Use a [4-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4-bit) to set text color.
+		*/
+		ansi(ansi: number): string;
+
+		/**
+		Use an [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set text color.
+		*/
+		ansi256(ansi: number): string;
+	}
+
+	interface CSPair {
+		/**
+		The ANSI terminal control sequence for starting this style.
+		*/
+		readonly open: string;
+
+		/**
+		The ANSI terminal control sequence for ending this style.
+		*/
+		readonly close: string;
+	}
+
+	interface ColorBase {
+		readonly ansi: ColorConvert;
+		readonly ansi256: ColorConvert;
+		readonly ansi16m: ColorConvert;
+
+		/**
+		The ANSI terminal control sequence for ending this color.
+		*/
+		readonly close: string;
+	}
+
+	interface Modifier {
+		/**
+		Resets the current color chain.
+		*/
+		readonly reset: CSPair;
+
+		/**
+		Make text bold.
+		*/
+		readonly bold: CSPair;
+
+		/**
+		Emitting only a small amount of light.
+		*/
+		readonly dim: CSPair;
+
+		/**
+		Make text italic. (Not widely supported)
+		*/
+		readonly italic: CSPair;
+
+		/**
+		Make text underline. (Not widely supported)
+		*/
+		readonly underline: CSPair;
+
+		/**
+		Inverse background and foreground colors.
+		*/
+		readonly inverse: CSPair;
+
+		/**
+		Prints the text, but makes it invisible.
+		*/
+		readonly hidden: CSPair;
+
+		/**
+		Puts a horizontal line through the center of the text. (Not widely supported)
+		*/
+		readonly strikethrough: CSPair;
+	}
+
+	interface ForegroundColor {
+		readonly black: CSPair;
+		readonly red: CSPair;
+		readonly green: CSPair;
+		readonly yellow: CSPair;
+		readonly blue: CSPair;
+		readonly cyan: CSPair;
+		readonly magenta: CSPair;
+		readonly white: CSPair;
+
+		/**
+		Alias for `blackBright`.
+		*/
+		readonly gray: CSPair;
+
+		/**
+		Alias for `blackBright`.
+		*/
+		readonly grey: CSPair;
+
+		readonly blackBright: CSPair;
+		readonly redBright: CSPair;
+		readonly greenBright: CSPair;
+		readonly yellowBright: CSPair;
+		readonly blueBright: CSPair;
+		readonly cyanBright: CSPair;
+		readonly magentaBright: CSPair;
+		readonly whiteBright: CSPair;
+	}
+
+	interface BackgroundColor {
+		readonly bgBlack: CSPair;
+		readonly bgRed: CSPair;
+		readonly bgGreen: CSPair;
+		readonly bgYellow: CSPair;
+		readonly bgBlue: CSPair;
+		readonly bgCyan: CSPair;
+		readonly bgMagenta: CSPair;
+		readonly bgWhite: CSPair;
+
+		/**
+		Alias for `bgBlackBright`.
+		*/
+		readonly bgGray: CSPair;
+
+		/**
+		Alias for `bgBlackBright`.
+		*/
+		readonly bgGrey: CSPair;
+
+		readonly bgBlackBright: CSPair;
+		readonly bgRedBright: CSPair;
+		readonly bgGreenBright: CSPair;
+		readonly bgYellowBright: CSPair;
+		readonly bgBlueBright: CSPair;
+		readonly bgCyanBright: CSPair;
+		readonly bgMagentaBright: CSPair;
+		readonly bgWhiteBright: CSPair;
+	}
+}
+
+declare const ansiStyles: {
+	readonly modifier: ansiStyles.Modifier;
+	readonly color: ansiStyles.ForegroundColor & ansiStyles.ColorBase;
+	readonly bgColor: ansiStyles.BackgroundColor & ansiStyles.ColorBase;
+	readonly codes: ReadonlyMap<number, number>;
+} & ansiStyles.BackgroundColor & ansiStyles.ForegroundColor & ansiStyles.Modifier;
+
+export = ansiStyles;
diff --git a/web/public/node_modules/ansi-styles/index.js b/web/public/node_modules/ansi-styles/index.js
new file mode 100644
index 000000000..5d82581a1
--- /dev/null
+++ b/web/public/node_modules/ansi-styles/index.js
@@ -0,0 +1,163 @@
+'use strict';
+
+const wrapAnsi16 = (fn, offset) => (...args) => {
+	const code = fn(...args);
+	return `\u001B[${code + offset}m`;
+};
+
+const wrapAnsi256 = (fn, offset) => (...args) => {
+	const code = fn(...args);
+	return `\u001B[${38 + offset};5;${code}m`;
+};
+
+const wrapAnsi16m = (fn, offset) => (...args) => {
+	const rgb = fn(...args);
+	return `\u001B[${38 + offset};2;${rgb[0]};${rgb[1]};${rgb[2]}m`;
+};
+
+const ansi2ansi = n => n;
+const rgb2rgb = (r, g, b) => [r, g, b];
+
+const setLazyProperty = (object, property, get) => {
+	Object.defineProperty(object, property, {
+		get: () => {
+			const value = get();
+
+			Object.defineProperty(object, property, {
+				value,
+				enumerable: true,
+				configurable: true
+			});
+
+			return value;
+		},
+		enumerable: true,
+		configurable: true
+	});
+};
+
+/** @type {typeof import('color-convert')} */
+let colorConvert;
+const makeDynamicStyles = (wrap, targetSpace, identity, isBackground) => {
+	if (colorConvert === undefined) {
+		colorConvert = require('color-convert');
+	}
+
+	const offset = isBackground ? 10 : 0;
+	const styles = {};
+
+	for (const [sourceSpace, suite] of Object.entries(colorConvert)) {
+		const name = sourceSpace === 'ansi16' ? 'ansi' : sourceSpace;
+		if (sourceSpace === targetSpace) {
+			styles[name] = wrap(identity, offset);
+		} else if (typeof suite === 'object') {
+			styles[name] = wrap(suite[targetSpace], offset);
+		}
+	}
+
+	return styles;
+};
+
+function assembleStyles() {
+	const codes = new Map();
+	const styles = {
+		modifier: {
+			reset: [0, 0],
+			// 21 isn't widely supported and 22 does the same thing
+			bold: [1, 22],
+			dim: [2, 22],
+			italic: [3, 23],
+			underline: [4, 24],
+			inverse: [7, 27],
+			hidden: [8, 28],
+			strikethrough: [9, 29]
+		},
+		color: {
+			black: [30, 39],
+			red: [31, 39],
+			green: [32, 39],
+			yellow: [33, 39],
+			blue: [34, 39],
+			magenta: [35, 39],
+			cyan: [36, 39],
+			white: [37, 39],
+
+			// Bright color
+			blackBright: [90, 39],
+			redBright: [91, 39],
+			greenBright: [92, 39],
+			yellowBright: [93, 39],
+			blueBright: [94, 39],
+			magentaBright: [95, 39],
+			cyanBright: [96, 39],
+			whiteBright: [97, 39]
+		},
+		bgColor: {
+			bgBlack: [40, 49],
+			bgRed: [41, 49],
+			bgGreen: [42, 49],
+			bgYellow: [43, 49],
+			bgBlue: [44, 49],
+			bgMagenta: [45, 49],
+			bgCyan: [46, 49],
+			bgWhite: [47, 49],
+
+			// Bright color
+			bgBlackBright: [100, 49],
+			bgRedBright: [101, 49],
+			bgGreenBright: [102, 49],
+			bgYellowBright: [103, 49],
+			bgBlueBright: [104, 49],
+			bgMagentaBright: [105, 49],
+			bgCyanBright: [106, 49],
+			bgWhiteBright: [107, 49]
+		}
+	};
+
+	// Alias bright black as gray (and grey)
+	styles.color.gray = styles.color.blackBright;
+	styles.bgColor.bgGray = styles.bgColor.bgBlackBright;
+	styles.color.grey = styles.color.blackBright;
+	styles.bgColor.bgGrey = styles.bgColor.bgBlackBright;
+
+	for (const [groupName, group] of Object.entries(styles)) {
+		for (const [styleName, style] of Object.entries(group)) {
+			styles[styleName] = {
+				open: `\u001B[${style[0]}m`,
+				close: `\u001B[${style[1]}m`
+			};
+
+			group[styleName] = styles[styleName];
+
+			codes.set(style[0], style[1]);
+		}
+
+		Object.defineProperty(styles, groupName, {
+			value: group,
+			enumerable: false
+		});
+	}
+
+	Object.defineProperty(styles, 'codes', {
+		value: codes,
+		enumerable: false
+	});
+
+	styles.color.close = '\u001B[39m';
+	styles.bgColor.close = '\u001B[49m';
+
+	setLazyProperty(styles.color, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, false));
+	setLazyProperty(styles.color, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, false));
+	setLazyProperty(styles.color, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, false));
+	setLazyProperty(styles.bgColor, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, true));
+	setLazyProperty(styles.bgColor, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, true));
+	setLazyProperty(styles.bgColor, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, true));
+
+	return styles;
+}
+
+// Make the export immutable
+Object.defineProperty(module, 'exports', {
+	enumerable: true,
+	get: assembleStyles
+});
diff --git a/web/public/node_modules/ansi-styles/license b/web/public/node_modules/ansi-styles/license
new file mode 100644
index 000000000..e7af2f771
--- /dev/null
+++ b/web/public/node_modules/ansi-styles/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/ansi-styles/package.json b/web/public/node_modules/ansi-styles/package.json
new file mode 100644
index 000000000..75393284d
--- /dev/null
+++ b/web/public/node_modules/ansi-styles/package.json
@@ -0,0 +1,56 @@
+{
+	"name": "ansi-styles",
+	"version": "4.3.0",
+	"description": "ANSI escape codes for styling strings in the terminal",
+	"license": "MIT",
+	"repository": "chalk/ansi-styles",
+	"funding": "https://github.com/chalk/ansi-styles?sponsor=1",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd",
+		"screenshot": "svg-term --command='node screenshot' --out=screenshot.svg --padding=3 --width=55 --height=3 --at=1000 --no-cursor"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"ansi",
+		"styles",
+		"color",
+		"colour",
+		"colors",
+		"terminal",
+		"console",
+		"cli",
+		"string",
+		"tty",
+		"escape",
+		"formatting",
+		"rgb",
+		"256",
+		"shell",
+		"xterm",
+		"log",
+		"logging",
+		"command-line",
+		"text"
+	],
+	"dependencies": {
+		"color-convert": "^2.0.1"
+	},
+	"devDependencies": {
+		"@types/color-convert": "^1.9.0",
+		"ava": "^2.3.0",
+		"svg-term-cli": "^2.1.1",
+		"tsd": "^0.11.0",
+		"xo": "^0.25.3"
+	}
+}
diff --git a/web/public/node_modules/ansi-styles/readme.md b/web/public/node_modules/ansi-styles/readme.md
new file mode 100644
index 000000000..24883de80
--- /dev/null
+++ b/web/public/node_modules/ansi-styles/readme.md
@@ -0,0 +1,152 @@
+# ansi-styles [![Build Status](https://travis-ci.org/chalk/ansi-styles.svg?branch=master)](https://travis-ci.org/chalk/ansi-styles)
+
+> [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles) for styling strings in the terminal
+
+You probably want the higher-level [chalk](https://github.com/chalk/chalk) module for styling your strings.
+
+<img src="screenshot.svg" width="900">
+
+## Install
+
+```
+$ npm install ansi-styles
+```
+
+## Usage
+
+```js
+const style = require('ansi-styles');
+
+console.log(`${style.green.open}Hello world!${style.green.close}`);
+
+
+// Color conversion between 16/256/truecolor
+// NOTE: If conversion goes to 16 colors or 256 colors, the original color
+//       may be degraded to fit that color palette. This means terminals
+//       that do not support 16 million colors will best-match the
+//       original color.
+console.log(style.bgColor.ansi.hsl(120, 80, 72) + 'Hello world!' + style.bgColor.close);
+console.log(style.color.ansi256.rgb(199, 20, 250) + 'Hello world!' + style.color.close);
+console.log(style.color.ansi16m.hex('#abcdef') + 'Hello world!' + style.color.close);
+```
+
+## API
+
+Each style has an `open` and `close` property.
+
+## Styles
+
+### Modifiers
+
+- `reset`
+- `bold`
+- `dim`
+- `italic` *(Not widely supported)*
+- `underline`
+- `inverse`
+- `hidden`
+- `strikethrough` *(Not widely supported)*
+
+### Colors
+
+- `black`
+- `red`
+- `green`
+- `yellow`
+- `blue`
+- `magenta`
+- `cyan`
+- `white`
+- `blackBright` (alias: `gray`, `grey`)
+- `redBright`
+- `greenBright`
+- `yellowBright`
+- `blueBright`
+- `magentaBright`
+- `cyanBright`
+- `whiteBright`
+
+### Background colors
+
+- `bgBlack`
+- `bgRed`
+- `bgGreen`
+- `bgYellow`
+- `bgBlue`
+- `bgMagenta`
+- `bgCyan`
+- `bgWhite`
+- `bgBlackBright` (alias: `bgGray`, `bgGrey`)
+- `bgRedBright`
+- `bgGreenBright`
+- `bgYellowBright`
+- `bgBlueBright`
+- `bgMagentaBright`
+- `bgCyanBright`
+- `bgWhiteBright`
+
+## Advanced usage
+
+By default, you get a map of styles, but the styles are also available as groups. They are non-enumerable so they don't show up unless you access them explicitly. This makes it easier to expose only a subset in a higher-level module.
+
+- `style.modifier`
+- `style.color`
+- `style.bgColor`
+
+###### Example
+
+```js
+console.log(style.color.green.open);
+```
+
+Raw escape codes (i.e. without the CSI escape prefix `\u001B[` and render mode postfix `m`) are available under `style.codes`, which returns a `Map` with the open codes as keys and close codes as values.
+
+###### Example
+
+```js
+console.log(style.codes.get(36));
+//=> 39
+```
+
+## [256 / 16 million (TrueColor) support](https://gist.github.com/XVilka/8346728)
+
+`ansi-styles` uses the [`color-convert`](https://github.com/Qix-/color-convert) package to allow for converting between various colors and ANSI escapes, with support for 256 and 16 million colors.
+
+The following color spaces from `color-convert` are supported:
+
+- `rgb`
+- `hex`
+- `keyword`
+- `hsl`
+- `hsv`
+- `hwb`
+- `ansi`
+- `ansi256`
+
+To use these, call the associated conversion function with the intended output, for example:
+
+```js
+style.color.ansi.rgb(100, 200, 15); // RGB to 16 color ansi foreground code
+style.bgColor.ansi.rgb(100, 200, 15); // RGB to 16 color ansi background code
+
+style.color.ansi256.hsl(120, 100, 60); // HSL to 256 color ansi foreground code
+style.bgColor.ansi256.hsl(120, 100, 60); // HSL to 256 color ansi foreground code
+
+style.color.ansi16m.hex('#C0FFEE'); // Hex (RGB) to 16 million color foreground code
+style.bgColor.ansi16m.hex('#C0FFEE'); // Hex (RGB) to 16 million color background code
+```
+
+## Related
+
+- [ansi-escapes](https://github.com/sindresorhus/ansi-escapes) - ANSI escape codes for manipulating the terminal
+
+## Maintainers
+
+- [Sindre Sorhus](https://github.com/sindresorhus)
+- [Josh Junon](https://github.com/qix-)
+
+## For enterprise
+
+Available as part of the Tidelift Subscription.
+
+The maintainers of `ansi-styles` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-ansi-styles?utm_source=npm-ansi-styles&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
diff --git a/web/public/node_modules/async/CHANGELOG.md b/web/public/node_modules/async/CHANGELOG.md
new file mode 100644
index 000000000..ec6b8717e
--- /dev/null
+++ b/web/public/node_modules/async/CHANGELOG.md
@@ -0,0 +1,278 @@
+# v2.6.4
+- Fix potential prototype pollution exploit (#1828)
+
+# v2.6.3
+- Updated lodash to squelch a security warning (#1675)
+
+# v2.6.2
+- Updated lodash to squelch a security warning (#1620)
+
+# v2.6.1
+- Updated lodash to prevent `npm audit` warnings. (#1532, #1533)
+- Made `async-es` more optimized for webpack users (#1517)
+- Fixed a stack overflow with large collections and a synchronous iterator (#1514)
+- Various small fixes/chores (#1505, #1511, #1527, #1530)
+
+# v2.6.0
+- Added missing aliases for many methods.  Previously, you could not (e.g.) `require('async/find')` or use `async.anyLimit`. (#1483)
+- Improved `queue` performance. (#1448, #1454)
+- Add missing sourcemap (#1452, #1453)
+- Various doc updates (#1448, #1471, #1483)
+
+# v2.5.0
+- Added `concatLimit`, the `Limit` equivalent of [`concat`](https://caolan.github.io/async/docs.html#concat) ([#1426](https://github.com/caolan/async/issues/1426), [#1430](https://github.com/caolan/async/pull/1430))
+- `concat` improvements: it now preserves order, handles falsy values and the `iteratee` callback takes a variable number of arguments ([#1437](https://github.com/caolan/async/issues/1437), [#1436](https://github.com/caolan/async/pull/1436))
+- Fixed an issue in `queue`  where there was a size discrepancy between `workersList().length` and `running()` ([#1428](https://github.com/caolan/async/issues/1428), [#1429](https://github.com/caolan/async/pull/1429))
+- Various doc fixes ([#1422](https://github.com/caolan/async/issues/1422), [#1424](https://github.com/caolan/async/pull/1424))
+
+# v2.4.1
+- Fixed a bug preventing functions wrapped  with `timeout()` from being re-used. ([#1418](https://github.com/caolan/async/issues/1418), [#1419](https://github.com/caolan/async/issues/1419))
+
+# v2.4.0
+- Added `tryEach`, for running async functions in parallel, where you only expect one to succeed. ([#1365](https://github.com/caolan/async/issues/1365), [#687](https://github.com/caolan/async/issues/687))
+- Improved performance, most notably in `parallel` and `waterfall` ([#1395](https://github.com/caolan/async/issues/1395))
+- Added `queue.remove()`, for removing items in a `queue` ([#1397](https://github.com/caolan/async/issues/1397), [#1391](https://github.com/caolan/async/issues/1391))
+- Fixed using `eval`, preventing Async from running in pages with Content Security Policy ([#1404](https://github.com/caolan/async/issues/1404), [#1403](https://github.com/caolan/async/issues/1403))
+- Fixed errors thrown in an `asyncify`ed function's callback being caught by the underlying Promise ([#1408](https://github.com/caolan/async/issues/1408))
+- Fixed timing of `queue.empty()` ([#1367](https://github.com/caolan/async/issues/1367))
+- Various doc fixes ([#1314](https://github.com/caolan/async/issues/1314), [#1394](https://github.com/caolan/async/issues/1394), [#1412](https://github.com/caolan/async/issues/1412))
+
+# v2.3.0
+- Added support for ES2017 `async` functions.  Wherever you can pass a Node-style/CPS function that uses a callback, you can also pass an `async` function.  Previously, you had to wrap `async` functions with `asyncify`.  The caveat is that it will only work if `async` functions are supported natively in your environment, transpiled implementations can't be detected.  ([#1386](https://github.com/caolan/async/issues/1386), [#1390](https://github.com/caolan/async/issues/1390))
+- Small doc fix ([#1392](https://github.com/caolan/async/issues/1392))
+
+# v2.2.0
+- Added `groupBy`, and the `Series`/`Limit` equivalents, analogous to [`_.groupBy`](http://lodash.com/docs#groupBy) ([#1364](https://github.com/caolan/async/issues/1364))
+- Fixed `transform` bug when `callback` was not passed ([#1381](https://github.com/caolan/async/issues/1381))
+- Added note about `reflect` to `parallel` docs ([#1385](https://github.com/caolan/async/issues/1385))
+
+# v2.1.5
+- Fix `auto` bug when function names collided with Array.prototype ([#1358](https://github.com/caolan/async/issues/1358))
+- Improve some error messages ([#1349](https://github.com/caolan/async/issues/1349))
+- Avoid stack overflow case in queue
+- Fixed an issue in `some`, `every` and `find` where processing would continue after the result was determined.
+- Cleanup implementations of `some`, `every` and `find`
+
+# v2.1.3
+- Make bundle size smaller
+- Create optimized hotpath for `filter` in array case.
+
+# v2.1.2
+- Fixed a stackoverflow bug with `detect`, `some`, `every` on large inputs ([#1293](https://github.com/caolan/async/issues/1293)).
+
+# v2.1.0
+
+- `retry` and `retryable` now support an optional `errorFilter` function that determines if the `task` should retry on the error ([#1256](https://github.com/caolan/async/issues/1256), [#1261](https://github.com/caolan/async/issues/1261))
+- Optimized array iteration in `race`, `cargo`, `queue`, and `priorityQueue` ([#1253](https://github.com/caolan/async/issues/1253))
+- Added alias documentation to doc site ([#1251](https://github.com/caolan/async/issues/1251), [#1254](https://github.com/caolan/async/issues/1254))
+- Added [BootStrap scrollspy](http://getbootstrap.com/javascript/#scrollspy) to docs to highlight in the sidebar the current method being viewed  ([#1289](https://github.com/caolan/async/issues/1289), [#1300](https://github.com/caolan/async/issues/1300))
+- Various minor doc fixes ([#1263](https://github.com/caolan/async/issues/1263), [#1264](https://github.com/caolan/async/issues/1264), [#1271](https://github.com/caolan/async/issues/1271), [#1278](https://github.com/caolan/async/issues/1278), [#1280](https://github.com/caolan/async/issues/1280), [#1282](https://github.com/caolan/async/issues/1282), [#1302](https://github.com/caolan/async/issues/1302))
+
+# v2.0.1
+
+- Significantly optimized all iteration based collection methods such as `each`, `map`, `filter`, etc ([#1245](https://github.com/caolan/async/issues/1245), [#1246](https://github.com/caolan/async/issues/1246), [#1247](https://github.com/caolan/async/issues/1247)).
+
+# v2.0.0
+
+Lots of changes here!
+
+First and foremost, we have a slick new [site for docs](https://caolan.github.io/async/). Special thanks to [**@hargasinski**](https://github.com/hargasinski) for his work converting our old docs to `jsdoc` format and implementing the new website. Also huge ups to [**@ivanseidel**](https://github.com/ivanseidel) for designing our new logo. It was a long process for both of these tasks, but I think these changes turned out extraordinary well.
+
+The biggest feature is modularization. You can now `require("async/series")` to only require the `series` function. Every Async library function is available this way. You still can `require("async")` to require the entire library, like you could do before.
+
+We also provide Async as a collection of ES2015 modules. You can now `import {each} from 'async-es'` or `import waterfall from 'async-es/waterfall'`. If you are using only a few Async functions, and are using a ES bundler such as Rollup, this can significantly lower your build size.
+
+Major thanks to [**@Kikobeats**](github.com/Kikobeats), [**@aearly**](github.com/aearly) and [**@megawac**](github.com/megawac) for doing the majority of the modularization work, as well as [**@jdalton**](github.com/jdalton) and [**@Rich-Harris**](github.com/Rich-Harris) for advisory work on the general modularization strategy.
+
+Another one of the general themes of the 2.0 release is standardization of what an "async" function is. We are now more strictly following the node-style continuation passing style. That is, an async function is a function that:
+
+1. Takes a variable number of arguments
+2. The last argument is always a callback
+3. The callback can accept any number of arguments
+4. The first argument passed to the callback will be treated as an error result, if the argument is truthy
+5. Any number of result arguments can be passed after the "error" argument
+6. The callback is called once and exactly once, either on the same tick or later tick of the JavaScript event loop.
+
+There were several cases where Async accepted some functions that did not strictly have these properties, most notably `auto`, `every`, `some`, `filter`, `reject` and `detect`.
+
+Another theme is performance. We have eliminated internal deferrals in all cases where they make sense. For example, in `waterfall` and `auto`, there was a `setImmediate` between each task -- these deferrals have been removed. A `setImmediate` call can add up to 1ms of delay. This might not seem like a lot, but it can add up if you are using many Async functions in the course of processing a HTTP request, for example. Nearly all asynchronous functions that do I/O already have some sort of deferral built in, so the extra deferral is unnecessary. The trade-off of this change is removing our built-in stack-overflow defense. Many synchronous callback calls in series can quickly overflow the JS call stack. If you do have a function that is sometimes synchronous (calling its callback on the same tick), and are running into stack overflows, wrap it with `async.ensureAsync()`.
+
+Another big performance win has been re-implementing `queue`, `cargo`, and `priorityQueue` with [doubly linked lists](https://en.wikipedia.org/wiki/Doubly_linked_list) instead of arrays. This has lead to queues being an order of [magnitude faster on large sets of tasks](https://github.com/caolan/async/pull/1205).
+
+## New Features
+
+- Async is now modularized. Individual functions can be `require()`d from the main package. (`require('async/auto')`) ([#984](https://github.com/caolan/async/issues/984), [#996](https://github.com/caolan/async/issues/996))
+- Async is also available as a collection of ES2015 modules in the new `async-es` package. (`import {forEachSeries} from 'async-es'`) ([#984](https://github.com/caolan/async/issues/984), [#996](https://github.com/caolan/async/issues/996))
+- Added `race`, analogous to `Promise.race()`. It will run an array of async tasks in parallel and will call its callback with the result of the first task to respond. ([#568](https://github.com/caolan/async/issues/568), [#1038](https://github.com/caolan/async/issues/1038))
+- Collection methods now accept ES2015 iterators.  Maps, Sets, and anything that implements the iterator spec can now be passed directly to `each`, `map`, `parallel`, etc.. ([#579](https://github.com/caolan/async/issues/579), [#839](https://github.com/caolan/async/issues/839), [#1074](https://github.com/caolan/async/issues/1074))
+- Added `mapValues`, for mapping over the properties of an object and returning an object with the same keys. ([#1157](https://github.com/caolan/async/issues/1157), [#1177](https://github.com/caolan/async/issues/1177))
+- Added `timeout`, a wrapper for an async function that will make the task time-out after the specified time. ([#1007](https://github.com/caolan/async/issues/1007), [#1027](https://github.com/caolan/async/issues/1027))
+- Added `reflect` and `reflectAll`, analagous to [`Promise.reflect()`](http://bluebirdjs.com/docs/api/reflect.html), a wrapper for async tasks that always succeeds, by gathering results and errors into an object.  ([#942](https://github.com/caolan/async/issues/942), [#1012](https://github.com/caolan/async/issues/1012), [#1095](https://github.com/caolan/async/issues/1095))
+- `constant` supports dynamic arguments -- it will now always use its last argument as the callback. ([#1016](https://github.com/caolan/async/issues/1016), [#1052](https://github.com/caolan/async/issues/1052))
+- `setImmediate` and `nextTick` now support arguments to partially apply to the deferred function, like the node-native versions do. ([#940](https://github.com/caolan/async/issues/940), [#1053](https://github.com/caolan/async/issues/1053))
+- `auto` now supports resolving cyclic dependencies using [Kahn's algorithm](https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm) ([#1140](https://github.com/caolan/async/issues/1140)).
+- Added `autoInject`, a relative of `auto` that automatically spreads a task's dependencies as arguments to the task function. ([#608](https://github.com/caolan/async/issues/608), [#1055](https://github.com/caolan/async/issues/1055), [#1099](https://github.com/caolan/async/issues/1099), [#1100](https://github.com/caolan/async/issues/1100))
+- You can now limit the concurrency of `auto` tasks. ([#635](https://github.com/caolan/async/issues/635), [#637](https://github.com/caolan/async/issues/637))
+- Added `retryable`, a relative of `retry` that wraps an async function, making it retry when called. ([#1058](https://github.com/caolan/async/issues/1058))
+- `retry` now supports specifying a function that determines the next time interval, useful for exponential backoff, logging and other retry strategies. ([#1161](https://github.com/caolan/async/issues/1161))
+- `retry` will now pass all of the arguments the task function was resolved with to the callback ([#1231](https://github.com/caolan/async/issues/1231)).
+- Added `q.unsaturated` -- callback called when a `queue`'s number of running workers falls below a threshold. ([#868](https://github.com/caolan/async/issues/868), [#1030](https://github.com/caolan/async/issues/1030), [#1033](https://github.com/caolan/async/issues/1033), [#1034](https://github.com/caolan/async/issues/1034))
+- Added `q.error` -- a callback called whenever a `queue` task calls its callback with an error. ([#1170](https://github.com/caolan/async/issues/1170))
+- `applyEach` and `applyEachSeries` now pass results to the final callback. ([#1088](https://github.com/caolan/async/issues/1088))
+
+## Breaking changes
+
+- Calling a callback more than once is considered an error, and an error will be thrown. This had an explicit breaking change in `waterfall`. If you were relying on this behavior, you should more accurately represent your control flow as an event emitter or stream. ([#814](https://github.com/caolan/async/issues/814), [#815](https://github.com/caolan/async/issues/815), [#1048](https://github.com/caolan/async/issues/1048), [#1050](https://github.com/caolan/async/issues/1050))
+- `auto` task functions now always take the callback as the last argument. If a task has dependencies, the `results` object will be passed as the first argument. To migrate old task functions, wrap them with [`_.flip`](https://lodash.com/docs#flip) ([#1036](https://github.com/caolan/async/issues/1036), [#1042](https://github.com/caolan/async/issues/1042))
+- Internal `setImmediate` calls have been refactored away. This may make existing flows vulnerable to stack overflows if you use many synchronous functions in series. Use `ensureAsync` to work around this. ([#696](https://github.com/caolan/async/issues/696), [#704](https://github.com/caolan/async/issues/704), [#1049](https://github.com/caolan/async/issues/1049), [#1050](https://github.com/caolan/async/issues/1050))
+- `map` used to return an object when iterating over an object.  `map` now always returns an array, like in other libraries.  The previous object behavior has been split out into `mapValues`. ([#1157](https://github.com/caolan/async/issues/1157), [#1177](https://github.com/caolan/async/issues/1177))
+- `filter`, `reject`, `some`, `every`, `detect` and their families like `{METHOD}Series` and `{METHOD}Limit` now expect an error as the first callback argument, rather than just a simple boolean. Pass `null` as the first argument, or use `fs.access` instead of `fs.exists`. ([#118](https://github.com/caolan/async/issues/118), [#774](https://github.com/caolan/async/issues/774), [#1028](https://github.com/caolan/async/issues/1028), [#1041](https://github.com/caolan/async/issues/1041))
+- `{METHOD}` and `{METHOD}Series` are now implemented in terms of `{METHOD}Limit`. This is a major internal simplification, and is not expected to cause many problems, but it does subtly affect how functions execute internally. ([#778](https://github.com/caolan/async/issues/778), [#847](https://github.com/caolan/async/issues/847))
+- `retry`'s callback is now optional. Previously, omitting the callback would partially apply the function, meaning it could be passed directly as a task to `series` or `auto`. The partially applied "control-flow" behavior has been separated out into `retryable`. ([#1054](https://github.com/caolan/async/issues/1054), [#1058](https://github.com/caolan/async/issues/1058))
+- The test function for `whilst`, `until`, and `during` used to be passed non-error args from the iteratee function's callback, but this led to weirdness where the first call of the test function would be passed no args. We have made it so the test function is never passed extra arguments, and only the `doWhilst`, `doUntil`, and `doDuring` functions pass iteratee callback arguments to the test function ([#1217](https://github.com/caolan/async/issues/1217), [#1224](https://github.com/caolan/async/issues/1224))
+- The `q.tasks` array has been renamed `q._tasks` and is now implemented as a doubly linked list (DLL). Any code that used to interact with this array will need to be updated to either use the provided helpers or support DLLs ([#1205](https://github.com/caolan/async/issues/1205)).
+- The timing of the `q.saturated()` callback in a `queue` has been modified to better reflect when tasks pushed to the queue will start queueing. ([#724](https://github.com/caolan/async/issues/724), [#1078](https://github.com/caolan/async/issues/1078))
+- Removed `iterator` method in favour of [ES2015 iterator protocol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators ) which natively supports arrays ([#1237](https://github.com/caolan/async/issues/1237))
+- Dropped support for Component, Jam, SPM, and Volo ([#1175](https://github.com/caolan/async/issues/1175), #[#176](https://github.com/caolan/async/issues/176))
+
+## Bug Fixes
+
+- Improved handling of no dependency cases in `auto` & `autoInject` ([#1147](https://github.com/caolan/async/issues/1147)).
+- Fixed a bug where the callback generated by `asyncify` with  `Promises` could resolve twice ([#1197](https://github.com/caolan/async/issues/1197)).
+- Fixed several documented optional callbacks not actually being optional ([#1223](https://github.com/caolan/async/issues/1223)).
+
+## Other
+
+- Added `someSeries` and `everySeries` for symmetry, as well as a complete set of `any`/`anyLimit`/`anySeries` and `all`/`/allLmit`/`allSeries` aliases.
+- Added `find` as an alias for `detect. (as well as `findLimit` and `findSeries`).
+- Various doc fixes ([#1005](https://github.com/caolan/async/issues/1005), [#1008](https://github.com/caolan/async/issues/1008), [#1010](https://github.com/caolan/async/issues/1010), [#1015](https://github.com/caolan/async/issues/1015), [#1021](https://github.com/caolan/async/issues/1021), [#1037](https://github.com/caolan/async/issues/1037), [#1039](https://github.com/caolan/async/issues/1039), [#1051](https://github.com/caolan/async/issues/1051), [#1102](https://github.com/caolan/async/issues/1102), [#1107](https://github.com/caolan/async/issues/1107), [#1121](https://github.com/caolan/async/issues/1121), [#1123](https://github.com/caolan/async/issues/1123), [#1129](https://github.com/caolan/async/issues/1129), [#1135](https://github.com/caolan/async/issues/1135), [#1138](https://github.com/caolan/async/issues/1138), [#1141](https://github.com/caolan/async/issues/1141), [#1153](https://github.com/caolan/async/issues/1153), [#1216](https://github.com/caolan/async/issues/1216), [#1217](https://github.com/caolan/async/issues/1217), [#1232](https://github.com/caolan/async/issues/1232), [#1233](https://github.com/caolan/async/issues/1233), [#1236](https://github.com/caolan/async/issues/1236), [#1238](https://github.com/caolan/async/issues/1238))
+
+Thank you [**@aearly**](github.com/aearly) and [**@megawac**](github.com/megawac) for taking the lead on version 2 of async.
+
+------------------------------------------
+
+# v1.5.2
+- Allow using `"constructor"` as an argument in `memoize` ([#998](https://github.com/caolan/async/issues/998))
+- Give a better error messsage when `auto` dependency checking fails ([#994](https://github.com/caolan/async/issues/994))
+- Various doc updates ([#936](https://github.com/caolan/async/issues/936), [#956](https://github.com/caolan/async/issues/956), [#979](https://github.com/caolan/async/issues/979), [#1002](https://github.com/caolan/async/issues/1002))
+
+# v1.5.1
+- Fix issue with `pause` in `queue` with concurrency enabled ([#946](https://github.com/caolan/async/issues/946))
+- `while` and `until` now pass the final result to callback ([#963](https://github.com/caolan/async/issues/963))
+- `auto` will properly handle concurrency when there is no callback ([#966](https://github.com/caolan/async/issues/966))
+- `auto` will no. properly stop execution when an error occurs ([#988](https://github.com/caolan/async/issues/988), [#993](https://github.com/caolan/async/issues/993))
+- Various doc fixes ([#971](https://github.com/caolan/async/issues/971), [#980](https://github.com/caolan/async/issues/980))
+
+# v1.5.0
+
+- Added `transform`, analogous to [`_.transform`](http://lodash.com/docs#transform) ([#892](https://github.com/caolan/async/issues/892))
+- `map` now returns an object when an object is passed in, rather than array with non-numeric keys. `map` will begin always returning an array with numeric indexes in the next major release. ([#873](https://github.com/caolan/async/issues/873))
+- `auto` now accepts an optional `concurrency` argument to limit the number o. running tasks ([#637](https://github.com/caolan/async/issues/637))
+- Added `queue#workersList()`, to retrieve the lis. of currently running tasks. ([#891](https://github.com/caolan/async/issues/891))
+- Various code simplifications ([#896](https://github.com/caolan/async/issues/896), [#904](https://github.com/caolan/async/issues/904))
+- Various doc fixes :scroll: ([#890](https://github.com/caolan/async/issues/890), [#894](https://github.com/caolan/async/issues/894), [#903](https://github.com/caolan/async/issues/903), [#905](https://github.com/caolan/async/issues/905), [#912](https://github.com/caolan/async/issues/912))
+
+# v1.4.2
+
+- Ensure coverage files don't get published on npm ([#879](https://github.com/caolan/async/issues/879))
+
+# v1.4.1
+
+- Add in overlooked `detectLimit` method ([#866](https://github.com/caolan/async/issues/866))
+- Removed unnecessary files from npm releases ([#861](https://github.com/caolan/async/issues/861))
+- Removed usage of a reserved word to prevent :boom: in older environments ([#870](https://github.com/caolan/async/issues/870))
+
+# v1.4.0
+
+- `asyncify` now supports promises ([#840](https://github.com/caolan/async/issues/840))
+- Added `Limit` versions of `filter` and `reject` ([#836](https://github.com/caolan/async/issues/836))
+- Add `Limit` versions of `detect`, `some` and `every` ([#828](https://github.com/caolan/async/issues/828), [#829](https://github.com/caolan/async/issues/829))
+- `some`, `every` and `detect` now short circuit early ([#828](https://github.com/caolan/async/issues/828), [#829](https://github.com/caolan/async/issues/829))
+- Improve detection of the global object ([#804](https://github.com/caolan/async/issues/804)), enabling use in WebWorkers
+- `whilst` now called with arguments from iterator ([#823](https://github.com/caolan/async/issues/823))
+- `during` now gets called with arguments from iterator ([#824](https://github.com/caolan/async/issues/824))
+- Code simplifications and optimizations aplenty ([diff](https://github.com/caolan/async/compare/v1.3.0...v1.4.0))
+
+
+# v1.3.0
+
+New Features:
+- Added `constant`
+- Added `asyncify`/`wrapSync` for making sync functions work with callbacks. ([#671](https://github.com/caolan/async/issues/671), [#806](https://github.com/caolan/async/issues/806))
+- Added `during` and `doDuring`, which are like `whilst` with an async truth test. ([#800](https://github.com/caolan/async/issues/800))
+- `retry` now accepts an `interval` parameter to specify a delay between retries. ([#793](https://github.com/caolan/async/issues/793))
+- `async` should work better in Web Workers due to better `root` detection ([#804](https://github.com/caolan/async/issues/804))
+- Callbacks are now optional in `whilst`, `doWhilst`, `until`, and `doUntil` ([#642](https://github.com/caolan/async/issues/642))
+- Various internal updates ([#786](https://github.com/caolan/async/issues/786), [#801](https://github.com/caolan/async/issues/801), [#802](https://github.com/caolan/async/issues/802), [#803](https://github.com/caolan/async/issues/803))
+- Various doc fixes ([#790](https://github.com/caolan/async/issues/790), [#794](https://github.com/caolan/async/issues/794))
+
+Bug Fixes:
+- `cargo` now exposes the `payload` size, and `cargo.payload` can be changed on the fly after the `cargo` is created. ([#740](https://github.com/caolan/async/issues/740), [#744](https://github.com/caolan/async/issues/744), [#783](https://github.com/caolan/async/issues/783))
+
+
+# v1.2.1
+
+Bug Fix:
+
+- Small regression with synchronous iterator behavior in `eachSeries` with a 1-element array. Before 1.1.0, `eachSeries`'s callback was called on the same tick, which this patch restores. In 2.0.0, it will be called on the next tick. ([#782](https://github.com/caolan/async/issues/782))
+
+
+# v1.2.0
+
+New Features:
+
+- Added `timesLimit` ([#743](https://github.com/caolan/async/issues/743))
+- `concurrency` can be changed after initialization in `queue` by setting `q.concurrency`. The new concurrency will be reflected the next time a task is processed. ([#747](https://github.com/caolan/async/issues/747), [#772](https://github.com/caolan/async/issues/772))
+
+Bug Fixes:
+
+- Fixed a regression in `each` and family with empty arrays that have additional properties. ([#775](https://github.com/caolan/async/issues/775), [#777](https://github.com/caolan/async/issues/777))
+
+
+# v1.1.1
+
+Bug Fix:
+
+- Small regression with synchronous iterator behavior in `eachSeries` with a 1-element array. Before 1.1.0, `eachSeries`'s callback was called on the same tick, which this patch restores. In 2.0.0, it will be called on the next tick. ([#782](https://github.com/caolan/async/issues/782))
+
+
+# v1.1.0
+
+New Features:
+
+- `cargo` now supports all of the same methods and event callbacks as `queue`.
+- Added `ensureAsync` - A wrapper that ensures an async function calls its callback on a later tick. ([#769](https://github.com/caolan/async/issues/769))
+- Optimized `map`, `eachOf`, and `waterfall` families of functions
+- Passing a `null` or `undefined` array to `map`, `each`, `parallel` and families will be treated as an empty array ([#667](https://github.com/caolan/async/issues/667)).
+- The callback is now optional for the composed results of `compose` and `seq`. ([#618](https://github.com/caolan/async/issues/618))
+- Reduced file size by 4kb, (minified version by 1kb)
+- Added code coverage through `nyc` and `coveralls` ([#768](https://github.com/caolan/async/issues/768))
+
+Bug Fixes:
+
+- `forever` will no longer stack overflow with a synchronous iterator ([#622](https://github.com/caolan/async/issues/622))
+- `eachLimit` and other limit functions will stop iterating once an error occurs ([#754](https://github.com/caolan/async/issues/754))
+- Always pass `null` in callbacks when there is no error ([#439](https://github.com/caolan/async/issues/439))
+- Ensure proper conditions when calling `drain()` after pushing an empty data set to a queue ([#668](https://github.com/caolan/async/issues/668))
+- `each` and family will properly handle an empty array ([#578](https://github.com/caolan/async/issues/578))
+- `eachSeries` and family will finish if the underlying array is modified during execution ([#557](https://github.com/caolan/async/issues/557))
+- `queue` will throw if a non-function is passed to `q.push()` ([#593](https://github.com/caolan/async/issues/593))
+- Doc fixes ([#629](https://github.com/caolan/async/issues/629), [#766](https://github.com/caolan/async/issues/766))
+
+
+# v1.0.0
+
+No known breaking changes, we are simply complying with semver from here on out.
+
+Changes:
+
+- Start using a changelog!
+- Add `forEachOf` for iterating over Objects (or to iterate Arrays with indexes available) ([#168](https://github.com/caolan/async/issues/168) [#704](https://github.com/caolan/async/issues/704) [#321](https://github.com/caolan/async/issues/321))
+- Detect deadlocks in `auto` ([#663](https://github.com/caolan/async/issues/663))
+- Better support for require.js ([#527](https://github.com/caolan/async/issues/527))
+- Throw if queue created with concurrency `0` ([#714](https://github.com/caolan/async/issues/714))
+- Fix unneeded iteration in `queue.resume()` ([#758](https://github.com/caolan/async/issues/758))
+- Guard against timer mocking overriding `setImmediate` ([#609](https://github.com/caolan/async/issues/609) [#611](https://github.com/caolan/async/issues/611))
+- Miscellaneous doc fixes ([#542](https://github.com/caolan/async/issues/542) [#596](https://github.com/caolan/async/issues/596) [#615](https://github.com/caolan/async/issues/615) [#628](https://github.com/caolan/async/issues/628) [#631](https://github.com/caolan/async/issues/631) [#690](https://github.com/caolan/async/issues/690) [#729](https://github.com/caolan/async/issues/729))
+- Use single noop function internally ([#546](https://github.com/caolan/async/issues/546))
+- Optimize internal `_each`, `_map` and `_keys` functions.
diff --git a/web/public/node_modules/async/LICENSE b/web/public/node_modules/async/LICENSE
new file mode 100644
index 000000000..b18aed692
--- /dev/null
+++ b/web/public/node_modules/async/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2010-2018 Caolan McMahon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/async/README.md b/web/public/node_modules/async/README.md
new file mode 100644
index 000000000..49cf9504a
--- /dev/null
+++ b/web/public/node_modules/async/README.md
@@ -0,0 +1,56 @@
+![Async Logo](https://raw.githubusercontent.com/caolan/async/master/logo/async-logo_readme.jpg)
+
+[![Build Status via Travis CI](https://travis-ci.org/caolan/async.svg?branch=master)](https://travis-ci.org/caolan/async)
+[![NPM version](https://img.shields.io/npm/v/async.svg)](https://www.npmjs.com/package/async)
+[![Coverage Status](https://coveralls.io/repos/caolan/async/badge.svg?branch=master)](https://coveralls.io/r/caolan/async?branch=master)
+[![Join the chat at https://gitter.im/caolan/async](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/caolan/async?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![libhive - Open source examples](https://www.libhive.com/providers/npm/packages/async/examples/badge.svg)](https://www.libhive.com/providers/npm/packages/async)
+[![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/async/badge?style=rounded)](https://www.jsdelivr.com/package/npm/async)
+
+
+Async is a utility module which provides straight-forward, powerful functions for working with [asynchronous JavaScript](http://caolan.github.io/async/global.html). Although originally designed for use with [Node.js](https://nodejs.org/) and installable via `npm install --save async`, it can also be used directly in the browser.
+
+This version of the package is optimized for the Node.js environment. If you use Async with webpack, install [`async-es`](https://www.npmjs.com/package/async-es) instead.
+
+For Documentation, visit <https://caolan.github.io/async/>
+
+*For Async v1.5.x documentation, go [HERE](https://github.com/caolan/async/blob/v1.5.2/README.md)*
+
+
+```javascript
+// for use with Node-style callbacks...
+var async = require("async");
+
+var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
+var configs = {};
+
+async.forEachOf(obj, (value, key, callback) => {
+    fs.readFile(__dirname + value, "utf8", (err, data) => {
+        if (err) return callback(err);
+        try {
+            configs[key] = JSON.parse(data);
+        } catch (e) {
+            return callback(e);
+        }
+        callback();
+    });
+}, err => {
+    if (err) console.error(err.message);
+    // configs is now a map of JSON data
+    doSomethingWith(configs);
+});
+```
+
+```javascript
+var async = require("async");
+
+// ...or ES2017 async functions
+async.mapLimit(urls, 5, async function(url) {
+    const response = await fetch(url)
+    return response.body
+}, (err, results) => {
+    if (err) throw err
+    // results is now an array of the response bodies
+    console.log(results)
+})
+```
diff --git a/web/public/node_modules/async/all.js b/web/public/node_modules/async/all.js
new file mode 100644
index 000000000..d0565b045
--- /dev/null
+++ b/web/public/node_modules/async/all.js
@@ -0,0 +1,50 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _notId = require('./internal/notId');
+
+var _notId2 = _interopRequireDefault(_notId);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if every element in `coll` satisfies an async test. If any
+ * iteratee call returns `false`, the main `callback` is immediately called.
+ *
+ * @name every
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias all
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @example
+ *
+ * async.every(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // if result is true then every file exists
+ * });
+ */
+exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/allLimit.js b/web/public/node_modules/async/allLimit.js
new file mode 100644
index 000000000..a1a759a2b
--- /dev/null
+++ b/web/public/node_modules/async/allLimit.js
@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _notId = require('./internal/notId');
+
+var _notId2 = _interopRequireDefault(_notId);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name everyLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ */
+exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/allSeries.js b/web/public/node_modules/async/allSeries.js
new file mode 100644
index 000000000..23bfebb59
--- /dev/null
+++ b/web/public/node_modules/async/allSeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _everyLimit = require('./everyLimit');
+
+var _everyLimit2 = _interopRequireDefault(_everyLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
+ *
+ * @name everySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in series.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_everyLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/any.js b/web/public/node_modules/async/any.js
new file mode 100644
index 000000000..a8e70f714
--- /dev/null
+++ b/web/public/node_modules/async/any.js
@@ -0,0 +1,52 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if at least one element in the `coll` satisfies an async test.
+ * If any iteratee call returns `true`, the main `callback` is immediately
+ * called.
+ *
+ * @name some
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias any
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ * @example
+ *
+ * async.some(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // if result is true then at least one of the files exists
+ * });
+ */
+exports.default = (0, _doParallel2.default)((0, _createTester2.default)(Boolean, _identity2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/anyLimit.js b/web/public/node_modules/async/anyLimit.js
new file mode 100644
index 000000000..24ca3f491
--- /dev/null
+++ b/web/public/node_modules/async/anyLimit.js
@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name someLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anyLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ */
+exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(Boolean, _identity2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/anySeries.js b/web/public/node_modules/async/anySeries.js
new file mode 100644
index 000000000..dc24ed254
--- /dev/null
+++ b/web/public/node_modules/async/anySeries.js
@@ -0,0 +1,38 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _someLimit = require('./someLimit');
+
+var _someLimit2 = _interopRequireDefault(_someLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs only a single async operation at a time.
+ *
+ * @name someSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anySeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in series.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_someLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/apply.js b/web/public/node_modules/async/apply.js
new file mode 100644
index 000000000..f590fa574
--- /dev/null
+++ b/web/public/node_modules/async/apply.js
@@ -0,0 +1,68 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (fn /*, ...args*/) {
+    var args = (0, _slice2.default)(arguments, 1);
+    return function () /*callArgs*/{
+        var callArgs = (0, _slice2.default)(arguments);
+        return fn.apply(null, args.concat(callArgs));
+    };
+};
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+;
+
+/**
+ * Creates a continuation function with some arguments already applied.
+ *
+ * Useful as a shorthand when combined with other control flow functions. Any
+ * arguments passed to the returned function are added to the arguments
+ * originally passed to apply.
+ *
+ * @name apply
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {Function} fn - The function you want to eventually apply all
+ * arguments to. Invokes with (arguments...).
+ * @param {...*} arguments... - Any number of arguments to automatically apply
+ * when the continuation is called.
+ * @returns {Function} the partially-applied function
+ * @example
+ *
+ * // using apply
+ * async.parallel([
+ *     async.apply(fs.writeFile, 'testfile1', 'test1'),
+ *     async.apply(fs.writeFile, 'testfile2', 'test2')
+ * ]);
+ *
+ *
+ * // the same process without using apply
+ * async.parallel([
+ *     function(callback) {
+ *         fs.writeFile('testfile1', 'test1', callback);
+ *     },
+ *     function(callback) {
+ *         fs.writeFile('testfile2', 'test2', callback);
+ *     }
+ * ]);
+ *
+ * // It's possible to pass any number of additional arguments when calling the
+ * // continuation:
+ *
+ * node> var fn = async.apply(sys.puts, 'one');
+ * node> fn('two', 'three');
+ * one
+ * two
+ * three
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/applyEach.js b/web/public/node_modules/async/applyEach.js
new file mode 100644
index 000000000..06c08450a
--- /dev/null
+++ b/web/public/node_modules/async/applyEach.js
@@ -0,0 +1,51 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _applyEach = require('./internal/applyEach');
+
+var _applyEach2 = _interopRequireDefault(_applyEach);
+
+var _map = require('./map');
+
+var _map2 = _interopRequireDefault(_map);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies the provided arguments to each function in the array, calling
+ * `callback` after all functions have completed. If you only provide the first
+ * argument, `fns`, then it will return a function which lets you pass in the
+ * arguments as if it were a single function call. If more arguments are
+ * provided, `callback` is required while `args` is still optional.
+ *
+ * @name applyEach
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s
+ * to all call with the same arguments
+ * @param {...*} [args] - any number of separate arguments to pass to the
+ * function.
+ * @param {Function} [callback] - the final argument should be the callback,
+ * called when all functions have completed processing.
+ * @returns {Function} - If only the first argument, `fns`, is provided, it will
+ * return a function which lets you pass in the arguments as if it were a single
+ * function call. The signature is `(..args, callback)`. If invoked with any
+ * arguments, `callback` is required.
+ * @example
+ *
+ * async.applyEach([enableSearch, updateSchema], 'bucket', callback);
+ *
+ * // partial application example:
+ * async.each(
+ *     buckets,
+ *     async.applyEach([enableSearch, updateSchema]),
+ *     callback
+ * );
+ */
+exports.default = (0, _applyEach2.default)(_map2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/applyEachSeries.js b/web/public/node_modules/async/applyEachSeries.js
new file mode 100644
index 000000000..ad80280cc
--- /dev/null
+++ b/web/public/node_modules/async/applyEachSeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _applyEach = require('./internal/applyEach');
+
+var _applyEach2 = _interopRequireDefault(_applyEach);
+
+var _mapSeries = require('./mapSeries');
+
+var _mapSeries2 = _interopRequireDefault(_mapSeries);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`applyEach`]{@link module:ControlFlow.applyEach} but runs only a single async operation at a time.
+ *
+ * @name applyEachSeries
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.applyEach]{@link module:ControlFlow.applyEach}
+ * @category Control Flow
+ * @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s to all
+ * call with the same arguments
+ * @param {...*} [args] - any number of separate arguments to pass to the
+ * function.
+ * @param {Function} [callback] - the final argument should be the callback,
+ * called when all functions have completed processing.
+ * @returns {Function} - If only the first argument is provided, it will return
+ * a function which lets you pass in the arguments as if it were a single
+ * function call.
+ */
+exports.default = (0, _applyEach2.default)(_mapSeries2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/asyncify.js b/web/public/node_modules/async/asyncify.js
new file mode 100644
index 000000000..5e3fc9155
--- /dev/null
+++ b/web/public/node_modules/async/asyncify.js
@@ -0,0 +1,110 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = asyncify;
+
+var _isObject = require('lodash/isObject');
+
+var _isObject2 = _interopRequireDefault(_isObject);
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _setImmediate = require('./internal/setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Take a sync function and make it async, passing its return value to a
+ * callback. This is useful for plugging sync functions into a waterfall,
+ * series, or other async functions. Any arguments passed to the generated
+ * function will be passed to the wrapped function (except for the final
+ * callback argument). Errors thrown will be passed to the callback.
+ *
+ * If the function passed to `asyncify` returns a Promise, that promises's
+ * resolved/rejected state will be used to call the callback, rather than simply
+ * the synchronous return value.
+ *
+ * This also means you can asyncify ES2017 `async` functions.
+ *
+ * @name asyncify
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @alias wrapSync
+ * @category Util
+ * @param {Function} func - The synchronous function, or Promise-returning
+ * function to convert to an {@link AsyncFunction}.
+ * @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be
+ * invoked with `(args..., callback)`.
+ * @example
+ *
+ * // passing a regular synchronous function
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(JSON.parse),
+ *     function (data, next) {
+ *         // data is the result of parsing the text.
+ *         // If there was a parsing error, it would have been caught.
+ *     }
+ * ], callback);
+ *
+ * // passing a function returning a promise
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(function (contents) {
+ *         return db.model.create(contents);
+ *     }),
+ *     function (model, next) {
+ *         // `model` is the instantiated model object.
+ *         // If there was an error, this function would be skipped.
+ *     }
+ * ], callback);
+ *
+ * // es2017 example, though `asyncify` is not needed if your JS environment
+ * // supports async functions out of the box
+ * var q = async.queue(async.asyncify(async function(file) {
+ *     var intermediateStep = await processFile(file);
+ *     return await somePromise(intermediateStep)
+ * }));
+ *
+ * q.push(files);
+ */
+function asyncify(func) {
+    return (0, _initialParams2.default)(function (args, callback) {
+        var result;
+        try {
+            result = func.apply(this, args);
+        } catch (e) {
+            return callback(e);
+        }
+        // if result is Promise object
+        if ((0, _isObject2.default)(result) && typeof result.then === 'function') {
+            result.then(function (value) {
+                invokeCallback(callback, null, value);
+            }, function (err) {
+                invokeCallback(callback, err.message ? err : new Error(err));
+            });
+        } else {
+            callback(null, result);
+        }
+    });
+}
+
+function invokeCallback(callback, error, value) {
+    try {
+        callback(error, value);
+    } catch (e) {
+        (0, _setImmediate2.default)(rethrow, e);
+    }
+}
+
+function rethrow(error) {
+    throw error;
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/auto.js b/web/public/node_modules/async/auto.js
new file mode 100644
index 000000000..26c1d562c
--- /dev/null
+++ b/web/public/node_modules/async/auto.js
@@ -0,0 +1,289 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (tasks, concurrency, callback) {
+    if (typeof concurrency === 'function') {
+        // concurrency is optional, shift the args.
+        callback = concurrency;
+        concurrency = null;
+    }
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var keys = (0, _keys2.default)(tasks);
+    var numTasks = keys.length;
+    if (!numTasks) {
+        return callback(null);
+    }
+    if (!concurrency) {
+        concurrency = numTasks;
+    }
+
+    var results = {};
+    var runningTasks = 0;
+    var hasError = false;
+
+    var listeners = Object.create(null);
+
+    var readyTasks = [];
+
+    // for cycle detection:
+    var readyToCheck = []; // tasks that have been identified as reachable
+    // without the possibility of returning to an ancestor task
+    var uncheckedDependencies = {};
+
+    (0, _baseForOwn2.default)(tasks, function (task, key) {
+        if (!(0, _isArray2.default)(task)) {
+            // no dependencies
+            enqueueTask(key, [task]);
+            readyToCheck.push(key);
+            return;
+        }
+
+        var dependencies = task.slice(0, task.length - 1);
+        var remainingDependencies = dependencies.length;
+        if (remainingDependencies === 0) {
+            enqueueTask(key, task);
+            readyToCheck.push(key);
+            return;
+        }
+        uncheckedDependencies[key] = remainingDependencies;
+
+        (0, _arrayEach2.default)(dependencies, function (dependencyName) {
+            if (!tasks[dependencyName]) {
+                throw new Error('async.auto task `' + key + '` has a non-existent dependency `' + dependencyName + '` in ' + dependencies.join(', '));
+            }
+            addListener(dependencyName, function () {
+                remainingDependencies--;
+                if (remainingDependencies === 0) {
+                    enqueueTask(key, task);
+                }
+            });
+        });
+    });
+
+    checkForDeadlocks();
+    processQueue();
+
+    function enqueueTask(key, task) {
+        readyTasks.push(function () {
+            runTask(key, task);
+        });
+    }
+
+    function processQueue() {
+        if (readyTasks.length === 0 && runningTasks === 0) {
+            return callback(null, results);
+        }
+        while (readyTasks.length && runningTasks < concurrency) {
+            var run = readyTasks.shift();
+            run();
+        }
+    }
+
+    function addListener(taskName, fn) {
+        var taskListeners = listeners[taskName];
+        if (!taskListeners) {
+            taskListeners = listeners[taskName] = [];
+        }
+
+        taskListeners.push(fn);
+    }
+
+    function taskComplete(taskName) {
+        var taskListeners = listeners[taskName] || [];
+        (0, _arrayEach2.default)(taskListeners, function (fn) {
+            fn();
+        });
+        processQueue();
+    }
+
+    function runTask(key, task) {
+        if (hasError) return;
+
+        var taskCallback = (0, _onlyOnce2.default)(function (err, result) {
+            runningTasks--;
+            if (arguments.length > 2) {
+                result = (0, _slice2.default)(arguments, 1);
+            }
+            if (err) {
+                var safeResults = {};
+                (0, _baseForOwn2.default)(results, function (val, rkey) {
+                    safeResults[rkey] = val;
+                });
+                safeResults[key] = result;
+                hasError = true;
+                listeners = Object.create(null);
+
+                callback(err, safeResults);
+            } else {
+                results[key] = result;
+                taskComplete(key);
+            }
+        });
+
+        runningTasks++;
+        var taskFn = (0, _wrapAsync2.default)(task[task.length - 1]);
+        if (task.length > 1) {
+            taskFn(results, taskCallback);
+        } else {
+            taskFn(taskCallback);
+        }
+    }
+
+    function checkForDeadlocks() {
+        // Kahn's algorithm
+        // https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm
+        // http://connalle.blogspot.com/2013/10/topological-sortingkahn-algorithm.html
+        var currentTask;
+        var counter = 0;
+        while (readyToCheck.length) {
+            currentTask = readyToCheck.pop();
+            counter++;
+            (0, _arrayEach2.default)(getDependents(currentTask), function (dependent) {
+                if (--uncheckedDependencies[dependent] === 0) {
+                    readyToCheck.push(dependent);
+                }
+            });
+        }
+
+        if (counter !== numTasks) {
+            throw new Error('async.auto cannot execute tasks due to a recursive dependency');
+        }
+    }
+
+    function getDependents(taskName) {
+        var result = [];
+        (0, _baseForOwn2.default)(tasks, function (task, key) {
+            if ((0, _isArray2.default)(task) && (0, _baseIndexOf2.default)(task, taskName, 0) >= 0) {
+                result.push(key);
+            }
+        });
+        return result;
+    }
+};
+
+var _arrayEach = require('lodash/_arrayEach');
+
+var _arrayEach2 = _interopRequireDefault(_arrayEach);
+
+var _baseForOwn = require('lodash/_baseForOwn');
+
+var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
+
+var _baseIndexOf = require('lodash/_baseIndexOf');
+
+var _baseIndexOf2 = _interopRequireDefault(_baseIndexOf);
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _keys = require('lodash/keys');
+
+var _keys2 = _interopRequireDefault(_keys);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
+
+/**
+ * Determines the best order for running the {@link AsyncFunction}s in `tasks`, based on
+ * their requirements. Each function can optionally depend on other functions
+ * being completed first, and each function is run as soon as its requirements
+ * are satisfied.
+ *
+ * If any of the {@link AsyncFunction}s pass an error to their callback, the `auto` sequence
+ * will stop. Further tasks will not execute (so any other functions depending
+ * on it will not run), and the main `callback` is immediately called with the
+ * error.
+ *
+ * {@link AsyncFunction}s also receive an object containing the results of functions which
+ * have completed so far as the first argument, if they have dependencies. If a
+ * task function has no dependencies, it will only be passed a callback.
+ *
+ * @name auto
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Object} tasks - An object. Each of its properties is either a
+ * function or an array of requirements, with the {@link AsyncFunction} itself the last item
+ * in the array. The object's key of a property serves as the name of the task
+ * defined by that property, i.e. can be used when specifying requirements for
+ * other tasks. The function receives one or two arguments:
+ * * a `results` object, containing the results of the previously executed
+ *   functions, only passed if the task has any dependencies,
+ * * a `callback(err, result)` function, which must be called when finished,
+ *   passing an `error` (which can be `null`) and the result of the function's
+ *   execution.
+ * @param {number} [concurrency=Infinity] - An optional `integer` for
+ * determining the maximum number of tasks that can be run in parallel. By
+ * default, as many as possible.
+ * @param {Function} [callback] - An optional callback which is called when all
+ * the tasks have been completed. It receives the `err` argument if any `tasks`
+ * pass an error to their callback. Results are always returned; however, if an
+ * error occurs, no further `tasks` will be performed, and the results object
+ * will only contain partial results. Invoked with (err, results).
+ * @returns undefined
+ * @example
+ *
+ * async.auto({
+ *     // this function will just be passed a callback
+ *     readData: async.apply(fs.readFile, 'data.txt', 'utf-8'),
+ *     showData: ['readData', function(results, cb) {
+ *         // results.readData is the file's contents
+ *         // ...
+ *     }]
+ * }, callback);
+ *
+ * async.auto({
+ *     get_data: function(callback) {
+ *         console.log('in get_data');
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         console.log('in make_folder');
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: ['get_data', 'make_folder', function(results, callback) {
+ *         console.log('in write_file', JSON.stringify(results));
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(results, callback) {
+ *         console.log('in email_link', JSON.stringify(results));
+ *         // once the file is written let's email a link to it...
+ *         // results.write_file contains the filename returned by write_file.
+ *         callback(null, {'file':results.write_file, 'email':'user@example.com'});
+ *     }]
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('results = ', results);
+ * });
+ */
\ No newline at end of file
diff --git a/web/public/node_modules/async/autoInject.js b/web/public/node_modules/async/autoInject.js
new file mode 100644
index 000000000..bfbe7e8ec
--- /dev/null
+++ b/web/public/node_modules/async/autoInject.js
@@ -0,0 +1,170 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = autoInject;
+
+var _auto = require('./auto');
+
+var _auto2 = _interopRequireDefault(_auto);
+
+var _baseForOwn = require('lodash/_baseForOwn');
+
+var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
+
+var _arrayMap = require('lodash/_arrayMap');
+
+var _arrayMap2 = _interopRequireDefault(_arrayMap);
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _trim = require('lodash/trim');
+
+var _trim2 = _interopRequireDefault(_trim);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var FN_ARGS = /^(?:async\s+)?(function)?\s*[^\(]*\(\s*([^\)]*)\)/m;
+var FN_ARG_SPLIT = /,/;
+var FN_ARG = /(=.+)?(\s*)$/;
+var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
+
+function parseParams(func) {
+    func = func.toString().replace(STRIP_COMMENTS, '');
+    func = func.match(FN_ARGS)[2].replace(' ', '');
+    func = func ? func.split(FN_ARG_SPLIT) : [];
+    func = func.map(function (arg) {
+        return (0, _trim2.default)(arg.replace(FN_ARG, ''));
+    });
+    return func;
+}
+
+/**
+ * A dependency-injected version of the [async.auto]{@link module:ControlFlow.auto} function. Dependent
+ * tasks are specified as parameters to the function, after the usual callback
+ * parameter, with the parameter names matching the names of the tasks it
+ * depends on. This can provide even more readable task graphs which can be
+ * easier to maintain.
+ *
+ * If a final callback is specified, the task results are similarly injected,
+ * specified as named parameters after the initial error parameter.
+ *
+ * The autoInject function is purely syntactic sugar and its semantics are
+ * otherwise equivalent to [async.auto]{@link module:ControlFlow.auto}.
+ *
+ * @name autoInject
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.auto]{@link module:ControlFlow.auto}
+ * @category Control Flow
+ * @param {Object} tasks - An object, each of whose properties is an {@link AsyncFunction} of
+ * the form 'func([dependencies...], callback). The object's key of a property
+ * serves as the name of the task defined by that property, i.e. can be used
+ * when specifying requirements for other tasks.
+ * * The `callback` parameter is a `callback(err, result)` which must be called
+ *   when finished, passing an `error` (which can be `null`) and the result of
+ *   the function's execution. The remaining parameters name other tasks on
+ *   which the task is dependent, and the results from those tasks are the
+ *   arguments of those parameters.
+ * @param {Function} [callback] - An optional callback which is called when all
+ * the tasks have been completed. It receives the `err` argument if any `tasks`
+ * pass an error to their callback, and a `results` object with any completed
+ * task results, similar to `auto`.
+ * @example
+ *
+ * //  The example from `auto` can be rewritten as follows:
+ * async.autoInject({
+ *     get_data: function(callback) {
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: function(get_data, make_folder, callback) {
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     },
+ *     email_link: function(write_file, callback) {
+ *         // once the file is written let's email a link to it...
+ *         // write_file contains the filename returned by write_file.
+ *         callback(null, {'file':write_file, 'email':'user@example.com'});
+ *     }
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('email_link = ', results.email_link);
+ * });
+ *
+ * // If you are using a JS minifier that mangles parameter names, `autoInject`
+ * // will not work with plain functions, since the parameter names will be
+ * // collapsed to a single letter identifier.  To work around this, you can
+ * // explicitly specify the names of the parameters your task function needs
+ * // in an array, similar to Angular.js dependency injection.
+ *
+ * // This still has an advantage over plain `auto`, since the results a task
+ * // depends on are still spread into arguments.
+ * async.autoInject({
+ *     //...
+ *     write_file: ['get_data', 'make_folder', function(get_data, make_folder, callback) {
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(write_file, callback) {
+ *         callback(null, {'file':write_file, 'email':'user@example.com'});
+ *     }]
+ *     //...
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('email_link = ', results.email_link);
+ * });
+ */
+function autoInject(tasks, callback) {
+    var newTasks = {};
+
+    (0, _baseForOwn2.default)(tasks, function (taskFn, key) {
+        var params;
+        var fnIsAsync = (0, _wrapAsync.isAsync)(taskFn);
+        var hasNoDeps = !fnIsAsync && taskFn.length === 1 || fnIsAsync && taskFn.length === 0;
+
+        if ((0, _isArray2.default)(taskFn)) {
+            params = taskFn.slice(0, -1);
+            taskFn = taskFn[taskFn.length - 1];
+
+            newTasks[key] = params.concat(params.length > 0 ? newTask : taskFn);
+        } else if (hasNoDeps) {
+            // no dependencies, use the function as-is
+            newTasks[key] = taskFn;
+        } else {
+            params = parseParams(taskFn);
+            if (taskFn.length === 0 && !fnIsAsync && params.length === 0) {
+                throw new Error("autoInject task functions require explicit parameters.");
+            }
+
+            // remove callback param
+            if (!fnIsAsync) params.pop();
+
+            newTasks[key] = params.concat(newTask);
+        }
+
+        function newTask(results, taskCb) {
+            var newArgs = (0, _arrayMap2.default)(params, function (name) {
+                return results[name];
+            });
+            newArgs.push(taskCb);
+            (0, _wrapAsync2.default)(taskFn).apply(null, newArgs);
+        }
+    });
+
+    (0, _auto2.default)(newTasks, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/bower.json b/web/public/node_modules/async/bower.json
new file mode 100644
index 000000000..7dbeb1497
--- /dev/null
+++ b/web/public/node_modules/async/bower.json
@@ -0,0 +1,17 @@
+{
+  "name": "async",
+  "main": "dist/async.js",
+  "ignore": [
+    "bower_components",
+    "lib",
+    "mocha_test",
+    "node_modules",
+    "perf",
+    "support",
+    "**/.*",
+    "*.config.js",
+    "*.json",
+    "index.js",
+    "Makefile"
+  ]
+}
diff --git a/web/public/node_modules/async/cargo.js b/web/public/node_modules/async/cargo.js
new file mode 100644
index 000000000..c7e59c7c5
--- /dev/null
+++ b/web/public/node_modules/async/cargo.js
@@ -0,0 +1,94 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = cargo;
+
+var _queue = require('./internal/queue');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * A cargo of tasks for the worker function to complete. Cargo inherits all of
+ * the same methods and event callbacks as [`queue`]{@link module:ControlFlow.queue}.
+ * @typedef {Object} CargoObject
+ * @memberOf module:ControlFlow
+ * @property {Function} length - A function returning the number of items
+ * waiting to be processed. Invoke like `cargo.length()`.
+ * @property {number} payload - An `integer` for determining how many tasks
+ * should be process per round. This property can be changed after a `cargo` is
+ * created to alter the payload on-the-fly.
+ * @property {Function} push - Adds `task` to the `queue`. The callback is
+ * called once the `worker` has finished processing the task. Instead of a
+ * single task, an array of `tasks` can be submitted. The respective callback is
+ * used for every task in the list. Invoke like `cargo.push(task, [callback])`.
+ * @property {Function} saturated - A callback that is called when the
+ * `queue.length()` hits the concurrency and further tasks will be queued.
+ * @property {Function} empty - A callback that is called when the last item
+ * from the `queue` is given to a `worker`.
+ * @property {Function} drain - A callback that is called when the last item
+ * from the `queue` has returned from the `worker`.
+ * @property {Function} idle - a function returning false if there are items
+ * waiting or being processed, or true if not. Invoke like `cargo.idle()`.
+ * @property {Function} pause - a function that pauses the processing of tasks
+ * until `resume()` is called. Invoke like `cargo.pause()`.
+ * @property {Function} resume - a function that resumes the processing of
+ * queued tasks when the queue is paused. Invoke like `cargo.resume()`.
+ * @property {Function} kill - a function that removes the `drain` callback and
+ * empties remaining tasks from the queue forcing it to go idle. Invoke like `cargo.kill()`.
+ */
+
+/**
+ * Creates a `cargo` object with the specified payload. Tasks added to the
+ * cargo will be processed altogether (up to the `payload` limit). If the
+ * `worker` is in progress, the task is queued until it becomes available. Once
+ * the `worker` has completed some tasks, each callback of those tasks is
+ * called. Check out [these](https://camo.githubusercontent.com/6bbd36f4cf5b35a0f11a96dcd2e97711ffc2fb37/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130382f62626330636662302d356632392d313165322d393734662d3333393763363464633835382e676966) [animations](https://camo.githubusercontent.com/f4810e00e1c5f5f8addbe3e9f49064fd5d102699/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130312f38346339323036362d356632392d313165322d383134662d3964336430323431336266642e676966)
+ * for how `cargo` and `queue` work.
+ *
+ * While [`queue`]{@link module:ControlFlow.queue} passes only one task to one of a group of workers
+ * at a time, cargo passes an array of tasks to a single worker, repeating
+ * when the worker is finished.
+ *
+ * @name cargo
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.queue]{@link module:ControlFlow.queue}
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An asynchronous function for processing an array
+ * of queued tasks. Invoked with `(tasks, callback)`.
+ * @param {number} [payload=Infinity] - An optional `integer` for determining
+ * how many tasks should be processed per round; if omitted, the default is
+ * unlimited.
+ * @returns {module:ControlFlow.CargoObject} A cargo object to manage the tasks. Callbacks can
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the cargo and inner queue.
+ * @example
+ *
+ * // create a cargo object with payload 2
+ * var cargo = async.cargo(function(tasks, callback) {
+ *     for (var i=0; i<tasks.length; i++) {
+ *         console.log('hello ' + tasks[i].name);
+ *     }
+ *     callback();
+ * }, 2);
+ *
+ * // add some items
+ * cargo.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * cargo.push({name: 'bar'}, function(err) {
+ *     console.log('finished processing bar');
+ * });
+ * cargo.push({name: 'baz'}, function(err) {
+ *     console.log('finished processing baz');
+ * });
+ */
+function cargo(worker, payload) {
+  return (0, _queue2.default)(worker, 1, payload);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/compose.js b/web/public/node_modules/async/compose.js
new file mode 100644
index 000000000..47c49f62d
--- /dev/null
+++ b/web/public/node_modules/async/compose.js
@@ -0,0 +1,58 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function () /*...args*/{
+  return _seq2.default.apply(null, (0, _slice2.default)(arguments).reverse());
+};
+
+var _seq = require('./seq');
+
+var _seq2 = _interopRequireDefault(_seq);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+;
+
+/**
+ * Creates a function which is a composition of the passed asynchronous
+ * functions. Each function consumes the return value of the function that
+ * follows. Composing functions `f()`, `g()`, and `h()` would produce the result
+ * of `f(g(h()))`, only this version uses callbacks to obtain the return values.
+ *
+ * Each function is executed with the `this` binding of the composed function.
+ *
+ * @name compose
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {...AsyncFunction} functions - the asynchronous functions to compose
+ * @returns {Function} an asynchronous function that is the composed
+ * asynchronous `functions`
+ * @example
+ *
+ * function add1(n, callback) {
+ *     setTimeout(function () {
+ *         callback(null, n + 1);
+ *     }, 10);
+ * }
+ *
+ * function mul3(n, callback) {
+ *     setTimeout(function () {
+ *         callback(null, n * 3);
+ *     }, 10);
+ * }
+ *
+ * var add1mul3 = async.compose(mul3, add1);
+ * add1mul3(4, function (err, result) {
+ *     // result now equals 15
+ * });
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/concat.js b/web/public/node_modules/async/concat.js
new file mode 100644
index 000000000..c39ea0001
--- /dev/null
+++ b/web/public/node_modules/async/concat.js
@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+var _concatLimit = require('./concatLimit');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies `iteratee` to each item in `coll`, concatenating the results. Returns
+ * the concatenated list. The `iteratee`s are called in parallel, and the
+ * results are concatenated as they return. There is no guarantee that the
+ * results array will be returned in the original order of `coll` passed to the
+ * `iteratee` function.
+ *
+ * @name concat
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback(err)] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @example
+ *
+ * async.concat(['dir1','dir2','dir3'], fs.readdir, function(err, files) {
+ *     // files is now a list of filenames that exist in the 3 directories
+ * });
+ */
+exports.default = (0, _doLimit2.default)(_concatLimit2.default, Infinity);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/concatLimit.js b/web/public/node_modules/async/concatLimit.js
new file mode 100644
index 000000000..f32cd4d34
--- /dev/null
+++ b/web/public/node_modules/async/concatLimit.js
@@ -0,0 +1,65 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (coll, limit, iteratee, callback) {
+    callback = callback || _noop2.default;
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _mapLimit2.default)(coll, limit, function (val, callback) {
+        _iteratee(val, function (err /*, ...args*/) {
+            if (err) return callback(err);
+            return callback(null, (0, _slice2.default)(arguments, 1));
+        });
+    }, function (err, mapResults) {
+        var result = [];
+        for (var i = 0; i < mapResults.length; i++) {
+            if (mapResults[i]) {
+                result = _concat.apply(result, mapResults[i]);
+            }
+        }
+
+        return callback(err, result);
+    });
+};
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _mapLimit = require('./mapLimit');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _concat = Array.prototype.concat;
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name concatLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/concatSeries.js b/web/public/node_modules/async/concatSeries.js
new file mode 100644
index 000000000..541ab7d06
--- /dev/null
+++ b/web/public/node_modules/async/concatSeries.js
@@ -0,0 +1,36 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+var _concatLimit = require('./concatLimit');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
+ *
+ * @name concatSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
+ * The iteratee should complete with an array an array of results.
+ * Invoked with (item, callback).
+ * @param {Function} [callback(err)] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ */
+exports.default = (0, _doLimit2.default)(_concatLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/constant.js b/web/public/node_modules/async/constant.js
new file mode 100644
index 000000000..c825475bd
--- /dev/null
+++ b/web/public/node_modules/async/constant.js
@@ -0,0 +1,66 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function () /*...values*/{
+    var values = (0, _slice2.default)(arguments);
+    var args = [null].concat(values);
+    return function () /*...ignoredArgs, callback*/{
+        var callback = arguments[arguments.length - 1];
+        return callback.apply(this, args);
+    };
+};
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+;
+
+/**
+ * Returns a function that when called, calls-back with the values provided.
+ * Useful as the first function in a [`waterfall`]{@link module:ControlFlow.waterfall}, or for plugging values in to
+ * [`auto`]{@link module:ControlFlow.auto}.
+ *
+ * @name constant
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {...*} arguments... - Any number of arguments to automatically invoke
+ * callback with.
+ * @returns {AsyncFunction} Returns a function that when invoked, automatically
+ * invokes the callback with the previous given arguments.
+ * @example
+ *
+ * async.waterfall([
+ *     async.constant(42),
+ *     function (value, next) {
+ *         // value === 42
+ *     },
+ *     //...
+ * ], callback);
+ *
+ * async.waterfall([
+ *     async.constant(filename, "utf8"),
+ *     fs.readFile,
+ *     function (fileData, next) {
+ *         //...
+ *     }
+ *     //...
+ * ], callback);
+ *
+ * async.auto({
+ *     hostname: async.constant("https://server.net/"),
+ *     port: findFreePort,
+ *     launchServer: ["hostname", "port", function (options, cb) {
+ *         startServer(options, cb);
+ *     }],
+ *     //...
+ * }, callback);
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/detect.js b/web/public/node_modules/async/detect.js
new file mode 100644
index 000000000..db4678358
--- /dev/null
+++ b/web/public/node_modules/async/detect.js
@@ -0,0 +1,61 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _findGetResult = require('./internal/findGetResult');
+
+var _findGetResult2 = _interopRequireDefault(_findGetResult);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns the first value in `coll` that passes an async truth test. The
+ * `iteratee` is applied in parallel, meaning the first iteratee to return
+ * `true` will fire the detect `callback` with that result. That means the
+ * result might not be the first item in the original `coll` (in terms of order)
+ * that passes the test.
+
+ * If order within the original `coll` is important, then look at
+ * [`detectSeries`]{@link module:Collections.detectSeries}.
+ *
+ * @name detect
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias find
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.detect(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // result now equals the first file in the list that exists
+ * });
+ */
+exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/detectLimit.js b/web/public/node_modules/async/detectLimit.js
new file mode 100644
index 000000000..6bf656022
--- /dev/null
+++ b/web/public/node_modules/async/detectLimit.js
@@ -0,0 +1,48 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _findGetResult = require('./internal/findGetResult');
+
+var _findGetResult2 = _interopRequireDefault(_findGetResult);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name detectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findLimit
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ */
+exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/detectSeries.js b/web/public/node_modules/async/detectSeries.js
new file mode 100644
index 000000000..6fe16c956
--- /dev/null
+++ b/web/public/node_modules/async/detectSeries.js
@@ -0,0 +1,38 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _detectLimit = require('./detectLimit');
+
+var _detectLimit2 = _interopRequireDefault(_detectLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
+ *
+ * @name detectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findSeries
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_detectLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/dir.js b/web/public/node_modules/async/dir.js
new file mode 100644
index 000000000..85fbcced0
--- /dev/null
+++ b/web/public/node_modules/async/dir.js
@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _consoleFunc = require('./internal/consoleFunc');
+
+var _consoleFunc2 = _interopRequireDefault(_consoleFunc);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Logs the result of an [`async` function]{@link AsyncFunction} to the
+ * `console` using `console.dir` to display the properties of the resulting object.
+ * Only works in Node.js or in browsers that support `console.dir` and
+ * `console.error` (such as FF and Chrome).
+ * If multiple arguments are returned from the async function,
+ * `console.dir` is called on each argument in order.
+ *
+ * @name dir
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} function - The function you want to eventually apply
+ * all arguments to.
+ * @param {...*} arguments... - Any number of arguments to apply to the function.
+ * @example
+ *
+ * // in a module
+ * var hello = function(name, callback) {
+ *     setTimeout(function() {
+ *         callback(null, {hello: name});
+ *     }, 1000);
+ * };
+ *
+ * // in the node repl
+ * node> async.dir(hello, 'world');
+ * {hello: 'world'}
+ */
+exports.default = (0, _consoleFunc2.default)('dir');
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/dist/async.js b/web/public/node_modules/async/dist/async.js
new file mode 100644
index 000000000..61c7588d0
--- /dev/null
+++ b/web/public/node_modules/async/dist/async.js
@@ -0,0 +1,5612 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (factory((global.async = global.async || {})));
+}(this, (function (exports) { 'use strict';
+
+function slice(arrayLike, start) {
+    start = start|0;
+    var newLen = Math.max(arrayLike.length - start, 0);
+    var newArr = Array(newLen);
+    for(var idx = 0; idx < newLen; idx++)  {
+        newArr[idx] = arrayLike[start + idx];
+    }
+    return newArr;
+}
+
+/**
+ * Creates a continuation function with some arguments already applied.
+ *
+ * Useful as a shorthand when combined with other control flow functions. Any
+ * arguments passed to the returned function are added to the arguments
+ * originally passed to apply.
+ *
+ * @name apply
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {Function} fn - The function you want to eventually apply all
+ * arguments to. Invokes with (arguments...).
+ * @param {...*} arguments... - Any number of arguments to automatically apply
+ * when the continuation is called.
+ * @returns {Function} the partially-applied function
+ * @example
+ *
+ * // using apply
+ * async.parallel([
+ *     async.apply(fs.writeFile, 'testfile1', 'test1'),
+ *     async.apply(fs.writeFile, 'testfile2', 'test2')
+ * ]);
+ *
+ *
+ * // the same process without using apply
+ * async.parallel([
+ *     function(callback) {
+ *         fs.writeFile('testfile1', 'test1', callback);
+ *     },
+ *     function(callback) {
+ *         fs.writeFile('testfile2', 'test2', callback);
+ *     }
+ * ]);
+ *
+ * // It's possible to pass any number of additional arguments when calling the
+ * // continuation:
+ *
+ * node> var fn = async.apply(sys.puts, 'one');
+ * node> fn('two', 'three');
+ * one
+ * two
+ * three
+ */
+var apply = function(fn/*, ...args*/) {
+    var args = slice(arguments, 1);
+    return function(/*callArgs*/) {
+        var callArgs = slice(arguments);
+        return fn.apply(null, args.concat(callArgs));
+    };
+};
+
+var initialParams = function (fn) {
+    return function (/*...args, callback*/) {
+        var args = slice(arguments);
+        var callback = args.pop();
+        fn.call(this, args, callback);
+    };
+};
+
+/**
+ * Checks if `value` is the
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
+ *
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
+ */
+function isObject(value) {
+  var type = typeof value;
+  return value != null && (type == 'object' || type == 'function');
+}
+
+var hasSetImmediate = typeof setImmediate === 'function' && setImmediate;
+var hasNextTick = typeof process === 'object' && typeof process.nextTick === 'function';
+
+function fallback(fn) {
+    setTimeout(fn, 0);
+}
+
+function wrap(defer) {
+    return function (fn/*, ...args*/) {
+        var args = slice(arguments, 1);
+        defer(function () {
+            fn.apply(null, args);
+        });
+    };
+}
+
+var _defer;
+
+if (hasSetImmediate) {
+    _defer = setImmediate;
+} else if (hasNextTick) {
+    _defer = process.nextTick;
+} else {
+    _defer = fallback;
+}
+
+var setImmediate$1 = wrap(_defer);
+
+/**
+ * Take a sync function and make it async, passing its return value to a
+ * callback. This is useful for plugging sync functions into a waterfall,
+ * series, or other async functions. Any arguments passed to the generated
+ * function will be passed to the wrapped function (except for the final
+ * callback argument). Errors thrown will be passed to the callback.
+ *
+ * If the function passed to `asyncify` returns a Promise, that promises's
+ * resolved/rejected state will be used to call the callback, rather than simply
+ * the synchronous return value.
+ *
+ * This also means you can asyncify ES2017 `async` functions.
+ *
+ * @name asyncify
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @alias wrapSync
+ * @category Util
+ * @param {Function} func - The synchronous function, or Promise-returning
+ * function to convert to an {@link AsyncFunction}.
+ * @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be
+ * invoked with `(args..., callback)`.
+ * @example
+ *
+ * // passing a regular synchronous function
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(JSON.parse),
+ *     function (data, next) {
+ *         // data is the result of parsing the text.
+ *         // If there was a parsing error, it would have been caught.
+ *     }
+ * ], callback);
+ *
+ * // passing a function returning a promise
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(function (contents) {
+ *         return db.model.create(contents);
+ *     }),
+ *     function (model, next) {
+ *         // `model` is the instantiated model object.
+ *         // If there was an error, this function would be skipped.
+ *     }
+ * ], callback);
+ *
+ * // es2017 example, though `asyncify` is not needed if your JS environment
+ * // supports async functions out of the box
+ * var q = async.queue(async.asyncify(async function(file) {
+ *     var intermediateStep = await processFile(file);
+ *     return await somePromise(intermediateStep)
+ * }));
+ *
+ * q.push(files);
+ */
+function asyncify(func) {
+    return initialParams(function (args, callback) {
+        var result;
+        try {
+            result = func.apply(this, args);
+        } catch (e) {
+            return callback(e);
+        }
+        // if result is Promise object
+        if (isObject(result) && typeof result.then === 'function') {
+            result.then(function(value) {
+                invokeCallback(callback, null, value);
+            }, function(err) {
+                invokeCallback(callback, err.message ? err : new Error(err));
+            });
+        } else {
+            callback(null, result);
+        }
+    });
+}
+
+function invokeCallback(callback, error, value) {
+    try {
+        callback(error, value);
+    } catch (e) {
+        setImmediate$1(rethrow, e);
+    }
+}
+
+function rethrow(error) {
+    throw error;
+}
+
+var supportsSymbol = typeof Symbol === 'function';
+
+function isAsync(fn) {
+    return supportsSymbol && fn[Symbol.toStringTag] === 'AsyncFunction';
+}
+
+function wrapAsync(asyncFn) {
+    return isAsync(asyncFn) ? asyncify(asyncFn) : asyncFn;
+}
+
+function applyEach$1(eachfn) {
+    return function(fns/*, ...args*/) {
+        var args = slice(arguments, 1);
+        var go = initialParams(function(args, callback) {
+            var that = this;
+            return eachfn(fns, function (fn, cb) {
+                wrapAsync(fn).apply(that, args.concat(cb));
+            }, callback);
+        });
+        if (args.length) {
+            return go.apply(this, args);
+        }
+        else {
+            return go;
+        }
+    };
+}
+
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+/** Detect free variable `self`. */
+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+/** Used as a reference to the global object. */
+var root = freeGlobal || freeSelf || Function('return this')();
+
+/** Built-in value references. */
+var Symbol$1 = root.Symbol;
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/** Built-in value references. */
+var symToStringTag$1 = Symbol$1 ? Symbol$1.toStringTag : undefined;
+
+/**
+ * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the raw `toStringTag`.
+ */
+function getRawTag(value) {
+  var isOwn = hasOwnProperty.call(value, symToStringTag$1),
+      tag = value[symToStringTag$1];
+
+  try {
+    value[symToStringTag$1] = undefined;
+    var unmasked = true;
+  } catch (e) {}
+
+  var result = nativeObjectToString.call(value);
+  if (unmasked) {
+    if (isOwn) {
+      value[symToStringTag$1] = tag;
+    } else {
+      delete value[symToStringTag$1];
+    }
+  }
+  return result;
+}
+
+/** Used for built-in method references. */
+var objectProto$1 = Object.prototype;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString$1 = objectProto$1.toString;
+
+/**
+ * Converts `value` to a string using `Object.prototype.toString`.
+ *
+ * @private
+ * @param {*} value The value to convert.
+ * @returns {string} Returns the converted string.
+ */
+function objectToString(value) {
+  return nativeObjectToString$1.call(value);
+}
+
+/** `Object#toString` result references. */
+var nullTag = '[object Null]';
+var undefinedTag = '[object Undefined]';
+
+/** Built-in value references. */
+var symToStringTag = Symbol$1 ? Symbol$1.toStringTag : undefined;
+
+/**
+ * The base implementation of `getTag` without fallbacks for buggy environments.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+function baseGetTag(value) {
+  if (value == null) {
+    return value === undefined ? undefinedTag : nullTag;
+  }
+  return (symToStringTag && symToStringTag in Object(value))
+    ? getRawTag(value)
+    : objectToString(value);
+}
+
+/** `Object#toString` result references. */
+var asyncTag = '[object AsyncFunction]';
+var funcTag = '[object Function]';
+var genTag = '[object GeneratorFunction]';
+var proxyTag = '[object Proxy]';
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+  if (!isObject(value)) {
+    return false;
+  }
+  // The use of `Object#toString` avoids issues with the `typeof` operator
+  // in Safari 9 which returns 'object' for typed arrays and other constructors.
+  var tag = baseGetTag(value);
+  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+}
+
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/**
+ * Checks if `value` is a valid array-like length.
+ *
+ * **Note:** This method is loosely based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ * @example
+ *
+ * _.isLength(3);
+ * // => true
+ *
+ * _.isLength(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isLength(Infinity);
+ * // => false
+ *
+ * _.isLength('3');
+ * // => false
+ */
+function isLength(value) {
+  return typeof value == 'number' &&
+    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+}
+
+/**
+ * Checks if `value` is array-like. A value is considered array-like if it's
+ * not a function and has a `value.length` that's an integer greater than or
+ * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * @example
+ *
+ * _.isArrayLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLike(document.body.children);
+ * // => true
+ *
+ * _.isArrayLike('abc');
+ * // => true
+ *
+ * _.isArrayLike(_.noop);
+ * // => false
+ */
+function isArrayLike(value) {
+  return value != null && isLength(value.length) && !isFunction(value);
+}
+
+// A temporary value used to identify if the loop should be broken.
+// See #1064, #1293
+var breakLoop = {};
+
+/**
+ * This method returns `undefined`.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.3.0
+ * @category Util
+ * @example
+ *
+ * _.times(2, _.noop);
+ * // => [undefined, undefined]
+ */
+function noop() {
+  // No operation performed.
+}
+
+function once(fn) {
+    return function () {
+        if (fn === null) return;
+        var callFn = fn;
+        fn = null;
+        callFn.apply(this, arguments);
+    };
+}
+
+var iteratorSymbol = typeof Symbol === 'function' && Symbol.iterator;
+
+var getIterator = function (coll) {
+    return iteratorSymbol && coll[iteratorSymbol] && coll[iteratorSymbol]();
+};
+
+/**
+ * The base implementation of `_.times` without support for iteratee shorthands
+ * or max array length checks.
+ *
+ * @private
+ * @param {number} n The number of times to invoke `iteratee`.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the array of results.
+ */
+function baseTimes(n, iteratee) {
+  var index = -1,
+      result = Array(n);
+
+  while (++index < n) {
+    result[index] = iteratee(index);
+  }
+  return result;
+}
+
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return value != null && typeof value == 'object';
+}
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]';
+
+/**
+ * The base implementation of `_.isArguments`.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+ */
+function baseIsArguments(value) {
+  return isObjectLike(value) && baseGetTag(value) == argsTag;
+}
+
+/** Used for built-in method references. */
+var objectProto$3 = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty$2 = objectProto$3.hasOwnProperty;
+
+/** Built-in value references. */
+var propertyIsEnumerable = objectProto$3.propertyIsEnumerable;
+
+/**
+ * Checks if `value` is likely an `arguments` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+ *  else `false`.
+ * @example
+ *
+ * _.isArguments(function() { return arguments; }());
+ * // => true
+ *
+ * _.isArguments([1, 2, 3]);
+ * // => false
+ */
+var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+  return isObjectLike(value) && hasOwnProperty$2.call(value, 'callee') &&
+    !propertyIsEnumerable.call(value, 'callee');
+};
+
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
+ */
+var isArray = Array.isArray;
+
+/**
+ * This method returns `false`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {boolean} Returns `false`.
+ * @example
+ *
+ * _.times(2, _.stubFalse);
+ * // => [false, false]
+ */
+function stubFalse() {
+  return false;
+}
+
+/** Detect free variable `exports`. */
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+/** Detect free variable `module`. */
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+/** Detect the popular CommonJS extension `module.exports`. */
+var moduleExports = freeModule && freeModule.exports === freeExports;
+
+/** Built-in value references. */
+var Buffer = moduleExports ? root.Buffer : undefined;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;
+
+/**
+ * Checks if `value` is a buffer.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+ * @example
+ *
+ * _.isBuffer(new Buffer(2));
+ * // => true
+ *
+ * _.isBuffer(new Uint8Array(2));
+ * // => false
+ */
+var isBuffer = nativeIsBuffer || stubFalse;
+
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER$1 = 9007199254740991;
+
+/** Used to detect unsigned integer values. */
+var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+/**
+ * Checks if `value` is a valid array-like index.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+ * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+ */
+function isIndex(value, length) {
+  var type = typeof value;
+  length = length == null ? MAX_SAFE_INTEGER$1 : length;
+
+  return !!length &&
+    (type == 'number' ||
+      (type != 'symbol' && reIsUint.test(value))) &&
+        (value > -1 && value % 1 == 0 && value < length);
+}
+
+/** `Object#toString` result references. */
+var argsTag$1 = '[object Arguments]';
+var arrayTag = '[object Array]';
+var boolTag = '[object Boolean]';
+var dateTag = '[object Date]';
+var errorTag = '[object Error]';
+var funcTag$1 = '[object Function]';
+var mapTag = '[object Map]';
+var numberTag = '[object Number]';
+var objectTag = '[object Object]';
+var regexpTag = '[object RegExp]';
+var setTag = '[object Set]';
+var stringTag = '[object String]';
+var weakMapTag = '[object WeakMap]';
+
+var arrayBufferTag = '[object ArrayBuffer]';
+var dataViewTag = '[object DataView]';
+var float32Tag = '[object Float32Array]';
+var float64Tag = '[object Float64Array]';
+var int8Tag = '[object Int8Array]';
+var int16Tag = '[object Int16Array]';
+var int32Tag = '[object Int32Array]';
+var uint8Tag = '[object Uint8Array]';
+var uint8ClampedTag = '[object Uint8ClampedArray]';
+var uint16Tag = '[object Uint16Array]';
+var uint32Tag = '[object Uint32Array]';
+
+/** Used to identify `toStringTag` values of typed arrays. */
+var typedArrayTags = {};
+typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+typedArrayTags[uint32Tag] = true;
+typedArrayTags[argsTag$1] = typedArrayTags[arrayTag] =
+typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+typedArrayTags[errorTag] = typedArrayTags[funcTag$1] =
+typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+typedArrayTags[setTag] = typedArrayTags[stringTag] =
+typedArrayTags[weakMapTag] = false;
+
+/**
+ * The base implementation of `_.isTypedArray` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+ */
+function baseIsTypedArray(value) {
+  return isObjectLike(value) &&
+    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+}
+
+/**
+ * The base implementation of `_.unary` without support for storing metadata.
+ *
+ * @private
+ * @param {Function} func The function to cap arguments for.
+ * @returns {Function} Returns the new capped function.
+ */
+function baseUnary(func) {
+  return function(value) {
+    return func(value);
+  };
+}
+
+/** Detect free variable `exports`. */
+var freeExports$1 = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+/** Detect free variable `module`. */
+var freeModule$1 = freeExports$1 && typeof module == 'object' && module && !module.nodeType && module;
+
+/** Detect the popular CommonJS extension `module.exports`. */
+var moduleExports$1 = freeModule$1 && freeModule$1.exports === freeExports$1;
+
+/** Detect free variable `process` from Node.js. */
+var freeProcess = moduleExports$1 && freeGlobal.process;
+
+/** Used to access faster Node.js helpers. */
+var nodeUtil = (function() {
+  try {
+    // Use `util.types` for Node.js 10+.
+    var types = freeModule$1 && freeModule$1.require && freeModule$1.require('util').types;
+
+    if (types) {
+      return types;
+    }
+
+    // Legacy `process.binding('util')` for Node.js < 10.
+    return freeProcess && freeProcess.binding && freeProcess.binding('util');
+  } catch (e) {}
+}());
+
+/* Node.js helper references. */
+var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+/**
+ * Checks if `value` is classified as a typed array.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+ * @example
+ *
+ * _.isTypedArray(new Uint8Array);
+ * // => true
+ *
+ * _.isTypedArray([]);
+ * // => false
+ */
+var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+/** Used for built-in method references. */
+var objectProto$2 = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty$1 = objectProto$2.hasOwnProperty;
+
+/**
+ * Creates an array of the enumerable property names of the array-like `value`.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @param {boolean} inherited Specify returning inherited property names.
+ * @returns {Array} Returns the array of property names.
+ */
+function arrayLikeKeys(value, inherited) {
+  var isArr = isArray(value),
+      isArg = !isArr && isArguments(value),
+      isBuff = !isArr && !isArg && isBuffer(value),
+      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+      skipIndexes = isArr || isArg || isBuff || isType,
+      result = skipIndexes ? baseTimes(value.length, String) : [],
+      length = result.length;
+
+  for (var key in value) {
+    if ((inherited || hasOwnProperty$1.call(value, key)) &&
+        !(skipIndexes && (
+           // Safari 9 has enumerable `arguments.length` in strict mode.
+           key == 'length' ||
+           // Node.js 0.10 has enumerable non-index properties on buffers.
+           (isBuff && (key == 'offset' || key == 'parent')) ||
+           // PhantomJS 2 has enumerable non-index properties on typed arrays.
+           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+           // Skip index properties.
+           isIndex(key, length)
+        ))) {
+      result.push(key);
+    }
+  }
+  return result;
+}
+
+/** Used for built-in method references. */
+var objectProto$5 = Object.prototype;
+
+/**
+ * Checks if `value` is likely a prototype object.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+ */
+function isPrototype(value) {
+  var Ctor = value && value.constructor,
+      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$5;
+
+  return value === proto;
+}
+
+/**
+ * Creates a unary function that invokes `func` with its argument transformed.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {Function} transform The argument transform.
+ * @returns {Function} Returns the new function.
+ */
+function overArg(func, transform) {
+  return function(arg) {
+    return func(transform(arg));
+  };
+}
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeKeys = overArg(Object.keys, Object);
+
+/** Used for built-in method references. */
+var objectProto$4 = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty$3 = objectProto$4.hasOwnProperty;
+
+/**
+ * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function baseKeys(object) {
+  if (!isPrototype(object)) {
+    return nativeKeys(object);
+  }
+  var result = [];
+  for (var key in Object(object)) {
+    if (hasOwnProperty$3.call(object, key) && key != 'constructor') {
+      result.push(key);
+    }
+  }
+  return result;
+}
+
+/**
+ * Creates an array of the own enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects. See the
+ * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+ * for more details.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.keys(new Foo);
+ * // => ['a', 'b'] (iteration order is not guaranteed)
+ *
+ * _.keys('hi');
+ * // => ['0', '1']
+ */
+function keys(object) {
+  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+}
+
+function createArrayIterator(coll) {
+    var i = -1;
+    var len = coll.length;
+    return function next() {
+        return ++i < len ? {value: coll[i], key: i} : null;
+    }
+}
+
+function createES2015Iterator(iterator) {
+    var i = -1;
+    return function next() {
+        var item = iterator.next();
+        if (item.done)
+            return null;
+        i++;
+        return {value: item.value, key: i};
+    }
+}
+
+function createObjectIterator(obj) {
+    var okeys = keys(obj);
+    var i = -1;
+    var len = okeys.length;
+    return function next() {
+        var key = okeys[++i];
+        if (key === '__proto__') {
+            return next();
+        }
+        return i < len ? {value: obj[key], key: key} : null;
+    };
+}
+
+function iterator(coll) {
+    if (isArrayLike(coll)) {
+        return createArrayIterator(coll);
+    }
+
+    var iterator = getIterator(coll);
+    return iterator ? createES2015Iterator(iterator) : createObjectIterator(coll);
+}
+
+function onlyOnce(fn) {
+    return function() {
+        if (fn === null) throw new Error("Callback was already called.");
+        var callFn = fn;
+        fn = null;
+        callFn.apply(this, arguments);
+    };
+}
+
+function _eachOfLimit(limit) {
+    return function (obj, iteratee, callback) {
+        callback = once(callback || noop);
+        if (limit <= 0 || !obj) {
+            return callback(null);
+        }
+        var nextElem = iterator(obj);
+        var done = false;
+        var running = 0;
+        var looping = false;
+
+        function iterateeCallback(err, value) {
+            running -= 1;
+            if (err) {
+                done = true;
+                callback(err);
+            }
+            else if (value === breakLoop || (done && running <= 0)) {
+                done = true;
+                return callback(null);
+            }
+            else if (!looping) {
+                replenish();
+            }
+        }
+
+        function replenish () {
+            looping = true;
+            while (running < limit && !done) {
+                var elem = nextElem();
+                if (elem === null) {
+                    done = true;
+                    if (running <= 0) {
+                        callback(null);
+                    }
+                    return;
+                }
+                running += 1;
+                iteratee(elem.value, elem.key, onlyOnce(iterateeCallback));
+            }
+            looping = false;
+        }
+
+        replenish();
+    };
+}
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name eachOfLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`. The `key` is the item's key, or index in the case of an
+ * array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+function eachOfLimit(coll, limit, iteratee, callback) {
+    _eachOfLimit(limit)(coll, wrapAsync(iteratee), callback);
+}
+
+function doLimit(fn, limit) {
+    return function (iterable, iteratee, callback) {
+        return fn(iterable, limit, iteratee, callback);
+    };
+}
+
+// eachOf implementation optimized for array-likes
+function eachOfArrayLike(coll, iteratee, callback) {
+    callback = once(callback || noop);
+    var index = 0,
+        completed = 0,
+        length = coll.length;
+    if (length === 0) {
+        callback(null);
+    }
+
+    function iteratorCallback(err, value) {
+        if (err) {
+            callback(err);
+        } else if ((++completed === length) || value === breakLoop) {
+            callback(null);
+        }
+    }
+
+    for (; index < length; index++) {
+        iteratee(coll[index], index, onlyOnce(iteratorCallback));
+    }
+}
+
+// a generic version of eachOf which can handle array, object, and iterator cases.
+var eachOfGeneric = doLimit(eachOfLimit, Infinity);
+
+/**
+ * Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
+ * to the iteratee.
+ *
+ * @name eachOf
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEachOf
+ * @category Collection
+ * @see [async.each]{@link module:Collections.each}
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each
+ * item in `coll`.
+ * The `key` is the item's key, or index in the case of an array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @example
+ *
+ * var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
+ * var configs = {};
+ *
+ * async.forEachOf(obj, function (value, key, callback) {
+ *     fs.readFile(__dirname + value, "utf8", function (err, data) {
+ *         if (err) return callback(err);
+ *         try {
+ *             configs[key] = JSON.parse(data);
+ *         } catch (e) {
+ *             return callback(e);
+ *         }
+ *         callback();
+ *     });
+ * }, function (err) {
+ *     if (err) console.error(err.message);
+ *     // configs is now a map of JSON data
+ *     doSomethingWith(configs);
+ * });
+ */
+var eachOf = function(coll, iteratee, callback) {
+    var eachOfImplementation = isArrayLike(coll) ? eachOfArrayLike : eachOfGeneric;
+    eachOfImplementation(coll, wrapAsync(iteratee), callback);
+};
+
+function doParallel(fn) {
+    return function (obj, iteratee, callback) {
+        return fn(eachOf, obj, wrapAsync(iteratee), callback);
+    };
+}
+
+function _asyncMap(eachfn, arr, iteratee, callback) {
+    callback = callback || noop;
+    arr = arr || [];
+    var results = [];
+    var counter = 0;
+    var _iteratee = wrapAsync(iteratee);
+
+    eachfn(arr, function (value, _, callback) {
+        var index = counter++;
+        _iteratee(value, function (err, v) {
+            results[index] = v;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, results);
+    });
+}
+
+/**
+ * Produces a new collection of values by mapping each value in `coll` through
+ * the `iteratee` function. The `iteratee` is called with an item from `coll`
+ * and a callback for when it has finished processing. Each of these callback
+ * takes 2 arguments: an `error`, and the transformed item from `coll`. If
+ * `iteratee` passes an error to its callback, the main `callback` (for the
+ * `map` function) is immediately called with the error.
+ *
+ * Note, that since this function applies the `iteratee` to each item in
+ * parallel, there is no guarantee that the `iteratee` functions will complete
+ * in order. However, the results array will be in the same order as the
+ * original `coll`.
+ *
+ * If `map` is passed an Object, the results will be an Array.  The results
+ * will roughly be in the order of the original Objects' keys (but this can
+ * vary across JavaScript engines).
+ *
+ * @name map
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with the transformed item.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Results is an Array of the
+ * transformed items from the `coll`. Invoked with (err, results).
+ * @example
+ *
+ * async.map(['file1','file2','file3'], fs.stat, function(err, results) {
+ *     // results is now an array of stats for each file
+ * });
+ */
+var map = doParallel(_asyncMap);
+
+/**
+ * Applies the provided arguments to each function in the array, calling
+ * `callback` after all functions have completed. If you only provide the first
+ * argument, `fns`, then it will return a function which lets you pass in the
+ * arguments as if it were a single function call. If more arguments are
+ * provided, `callback` is required while `args` is still optional.
+ *
+ * @name applyEach
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s
+ * to all call with the same arguments
+ * @param {...*} [args] - any number of separate arguments to pass to the
+ * function.
+ * @param {Function} [callback] - the final argument should be the callback,
+ * called when all functions have completed processing.
+ * @returns {Function} - If only the first argument, `fns`, is provided, it will
+ * return a function which lets you pass in the arguments as if it were a single
+ * function call. The signature is `(..args, callback)`. If invoked with any
+ * arguments, `callback` is required.
+ * @example
+ *
+ * async.applyEach([enableSearch, updateSchema], 'bucket', callback);
+ *
+ * // partial application example:
+ * async.each(
+ *     buckets,
+ *     async.applyEach([enableSearch, updateSchema]),
+ *     callback
+ * );
+ */
+var applyEach = applyEach$1(map);
+
+function doParallelLimit(fn) {
+    return function (obj, limit, iteratee, callback) {
+        return fn(_eachOfLimit(limit), obj, wrapAsync(iteratee), callback);
+    };
+}
+
+/**
+ * The same as [`map`]{@link module:Collections.map} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name mapLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.map]{@link module:Collections.map}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with the transformed item.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Results is an array of the
+ * transformed items from the `coll`. Invoked with (err, results).
+ */
+var mapLimit = doParallelLimit(_asyncMap);
+
+/**
+ * The same as [`map`]{@link module:Collections.map} but runs only a single async operation at a time.
+ *
+ * @name mapSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.map]{@link module:Collections.map}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with the transformed item.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Results is an array of the
+ * transformed items from the `coll`. Invoked with (err, results).
+ */
+var mapSeries = doLimit(mapLimit, 1);
+
+/**
+ * The same as [`applyEach`]{@link module:ControlFlow.applyEach} but runs only a single async operation at a time.
+ *
+ * @name applyEachSeries
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.applyEach]{@link module:ControlFlow.applyEach}
+ * @category Control Flow
+ * @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s to all
+ * call with the same arguments
+ * @param {...*} [args] - any number of separate arguments to pass to the
+ * function.
+ * @param {Function} [callback] - the final argument should be the callback,
+ * called when all functions have completed processing.
+ * @returns {Function} - If only the first argument is provided, it will return
+ * a function which lets you pass in the arguments as if it were a single
+ * function call.
+ */
+var applyEachSeries = applyEach$1(mapSeries);
+
+/**
+ * A specialized version of `_.forEach` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns `array`.
+ */
+function arrayEach(array, iteratee) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  while (++index < length) {
+    if (iteratee(array[index], index, array) === false) {
+      break;
+    }
+  }
+  return array;
+}
+
+/**
+ * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+ *
+ * @private
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new base function.
+ */
+function createBaseFor(fromRight) {
+  return function(object, iteratee, keysFunc) {
+    var index = -1,
+        iterable = Object(object),
+        props = keysFunc(object),
+        length = props.length;
+
+    while (length--) {
+      var key = props[fromRight ? length : ++index];
+      if (iteratee(iterable[key], key, iterable) === false) {
+        break;
+      }
+    }
+    return object;
+  };
+}
+
+/**
+ * The base implementation of `baseForOwn` which iterates over `object`
+ * properties returned by `keysFunc` and invokes `iteratee` for each property.
+ * Iteratee functions may exit iteration early by explicitly returning `false`.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {Function} keysFunc The function to get the keys of `object`.
+ * @returns {Object} Returns `object`.
+ */
+var baseFor = createBaseFor();
+
+/**
+ * The base implementation of `_.forOwn` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ */
+function baseForOwn(object, iteratee) {
+  return object && baseFor(object, iteratee, keys);
+}
+
+/**
+ * The base implementation of `_.findIndex` and `_.findLastIndex` without
+ * support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {Function} predicate The function invoked per iteration.
+ * @param {number} fromIndex The index to search from.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function baseFindIndex(array, predicate, fromIndex, fromRight) {
+  var length = array.length,
+      index = fromIndex + (fromRight ? 1 : -1);
+
+  while ((fromRight ? index-- : ++index < length)) {
+    if (predicate(array[index], index, array)) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+/**
+ * The base implementation of `_.isNaN` without support for number objects.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+ */
+function baseIsNaN(value) {
+  return value !== value;
+}
+
+/**
+ * A specialized version of `_.indexOf` which performs strict equality
+ * comparisons of values, i.e. `===`.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} fromIndex The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function strictIndexOf(array, value, fromIndex) {
+  var index = fromIndex - 1,
+      length = array.length;
+
+  while (++index < length) {
+    if (array[index] === value) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+/**
+ * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} fromIndex The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function baseIndexOf(array, value, fromIndex) {
+  return value === value
+    ? strictIndexOf(array, value, fromIndex)
+    : baseFindIndex(array, baseIsNaN, fromIndex);
+}
+
+/**
+ * Determines the best order for running the {@link AsyncFunction}s in `tasks`, based on
+ * their requirements. Each function can optionally depend on other functions
+ * being completed first, and each function is run as soon as its requirements
+ * are satisfied.
+ *
+ * If any of the {@link AsyncFunction}s pass an error to their callback, the `auto` sequence
+ * will stop. Further tasks will not execute (so any other functions depending
+ * on it will not run), and the main `callback` is immediately called with the
+ * error.
+ *
+ * {@link AsyncFunction}s also receive an object containing the results of functions which
+ * have completed so far as the first argument, if they have dependencies. If a
+ * task function has no dependencies, it will only be passed a callback.
+ *
+ * @name auto
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Object} tasks - An object. Each of its properties is either a
+ * function or an array of requirements, with the {@link AsyncFunction} itself the last item
+ * in the array. The object's key of a property serves as the name of the task
+ * defined by that property, i.e. can be used when specifying requirements for
+ * other tasks. The function receives one or two arguments:
+ * * a `results` object, containing the results of the previously executed
+ *   functions, only passed if the task has any dependencies,
+ * * a `callback(err, result)` function, which must be called when finished,
+ *   passing an `error` (which can be `null`) and the result of the function's
+ *   execution.
+ * @param {number} [concurrency=Infinity] - An optional `integer` for
+ * determining the maximum number of tasks that can be run in parallel. By
+ * default, as many as possible.
+ * @param {Function} [callback] - An optional callback which is called when all
+ * the tasks have been completed. It receives the `err` argument if any `tasks`
+ * pass an error to their callback. Results are always returned; however, if an
+ * error occurs, no further `tasks` will be performed, and the results object
+ * will only contain partial results. Invoked with (err, results).
+ * @returns undefined
+ * @example
+ *
+ * async.auto({
+ *     // this function will just be passed a callback
+ *     readData: async.apply(fs.readFile, 'data.txt', 'utf-8'),
+ *     showData: ['readData', function(results, cb) {
+ *         // results.readData is the file's contents
+ *         // ...
+ *     }]
+ * }, callback);
+ *
+ * async.auto({
+ *     get_data: function(callback) {
+ *         console.log('in get_data');
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         console.log('in make_folder');
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: ['get_data', 'make_folder', function(results, callback) {
+ *         console.log('in write_file', JSON.stringify(results));
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(results, callback) {
+ *         console.log('in email_link', JSON.stringify(results));
+ *         // once the file is written let's email a link to it...
+ *         // results.write_file contains the filename returned by write_file.
+ *         callback(null, {'file':results.write_file, 'email':'user@example.com'});
+ *     }]
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('results = ', results);
+ * });
+ */
+var auto = function (tasks, concurrency, callback) {
+    if (typeof concurrency === 'function') {
+        // concurrency is optional, shift the args.
+        callback = concurrency;
+        concurrency = null;
+    }
+    callback = once(callback || noop);
+    var keys$$1 = keys(tasks);
+    var numTasks = keys$$1.length;
+    if (!numTasks) {
+        return callback(null);
+    }
+    if (!concurrency) {
+        concurrency = numTasks;
+    }
+
+    var results = {};
+    var runningTasks = 0;
+    var hasError = false;
+
+    var listeners = Object.create(null);
+
+    var readyTasks = [];
+
+    // for cycle detection:
+    var readyToCheck = []; // tasks that have been identified as reachable
+    // without the possibility of returning to an ancestor task
+    var uncheckedDependencies = {};
+
+    baseForOwn(tasks, function (task, key) {
+        if (!isArray(task)) {
+            // no dependencies
+            enqueueTask(key, [task]);
+            readyToCheck.push(key);
+            return;
+        }
+
+        var dependencies = task.slice(0, task.length - 1);
+        var remainingDependencies = dependencies.length;
+        if (remainingDependencies === 0) {
+            enqueueTask(key, task);
+            readyToCheck.push(key);
+            return;
+        }
+        uncheckedDependencies[key] = remainingDependencies;
+
+        arrayEach(dependencies, function (dependencyName) {
+            if (!tasks[dependencyName]) {
+                throw new Error('async.auto task `' + key +
+                    '` has a non-existent dependency `' +
+                    dependencyName + '` in ' +
+                    dependencies.join(', '));
+            }
+            addListener(dependencyName, function () {
+                remainingDependencies--;
+                if (remainingDependencies === 0) {
+                    enqueueTask(key, task);
+                }
+            });
+        });
+    });
+
+    checkForDeadlocks();
+    processQueue();
+
+    function enqueueTask(key, task) {
+        readyTasks.push(function () {
+            runTask(key, task);
+        });
+    }
+
+    function processQueue() {
+        if (readyTasks.length === 0 && runningTasks === 0) {
+            return callback(null, results);
+        }
+        while(readyTasks.length && runningTasks < concurrency) {
+            var run = readyTasks.shift();
+            run();
+        }
+
+    }
+
+    function addListener(taskName, fn) {
+        var taskListeners = listeners[taskName];
+        if (!taskListeners) {
+            taskListeners = listeners[taskName] = [];
+        }
+
+        taskListeners.push(fn);
+    }
+
+    function taskComplete(taskName) {
+        var taskListeners = listeners[taskName] || [];
+        arrayEach(taskListeners, function (fn) {
+            fn();
+        });
+        processQueue();
+    }
+
+
+    function runTask(key, task) {
+        if (hasError) return;
+
+        var taskCallback = onlyOnce(function(err, result) {
+            runningTasks--;
+            if (arguments.length > 2) {
+                result = slice(arguments, 1);
+            }
+            if (err) {
+                var safeResults = {};
+                baseForOwn(results, function(val, rkey) {
+                    safeResults[rkey] = val;
+                });
+                safeResults[key] = result;
+                hasError = true;
+                listeners = Object.create(null);
+
+                callback(err, safeResults);
+            } else {
+                results[key] = result;
+                taskComplete(key);
+            }
+        });
+
+        runningTasks++;
+        var taskFn = wrapAsync(task[task.length - 1]);
+        if (task.length > 1) {
+            taskFn(results, taskCallback);
+        } else {
+            taskFn(taskCallback);
+        }
+    }
+
+    function checkForDeadlocks() {
+        // Kahn's algorithm
+        // https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm
+        // http://connalle.blogspot.com/2013/10/topological-sortingkahn-algorithm.html
+        var currentTask;
+        var counter = 0;
+        while (readyToCheck.length) {
+            currentTask = readyToCheck.pop();
+            counter++;
+            arrayEach(getDependents(currentTask), function (dependent) {
+                if (--uncheckedDependencies[dependent] === 0) {
+                    readyToCheck.push(dependent);
+                }
+            });
+        }
+
+        if (counter !== numTasks) {
+            throw new Error(
+                'async.auto cannot execute tasks due to a recursive dependency'
+            );
+        }
+    }
+
+    function getDependents(taskName) {
+        var result = [];
+        baseForOwn(tasks, function (task, key) {
+            if (isArray(task) && baseIndexOf(task, taskName, 0) >= 0) {
+                result.push(key);
+            }
+        });
+        return result;
+    }
+};
+
+/**
+ * A specialized version of `_.map` for arrays without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ */
+function arrayMap(array, iteratee) {
+  var index = -1,
+      length = array == null ? 0 : array.length,
+      result = Array(length);
+
+  while (++index < length) {
+    result[index] = iteratee(array[index], index, array);
+  }
+  return result;
+}
+
+/** `Object#toString` result references. */
+var symbolTag = '[object Symbol]';
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && baseGetTag(value) == symbolTag);
+}
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = Symbol$1 ? Symbol$1.prototype : undefined;
+var symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+/**
+ * The base implementation of `_.toString` which doesn't convert nullish
+ * values to empty strings.
+ *
+ * @private
+ * @param {*} value The value to process.
+ * @returns {string} Returns the string.
+ */
+function baseToString(value) {
+  // Exit early for strings to avoid a performance hit in some environments.
+  if (typeof value == 'string') {
+    return value;
+  }
+  if (isArray(value)) {
+    // Recursively convert values (susceptible to call stack limits).
+    return arrayMap(value, baseToString) + '';
+  }
+  if (isSymbol(value)) {
+    return symbolToString ? symbolToString.call(value) : '';
+  }
+  var result = (value + '');
+  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+/**
+ * The base implementation of `_.slice` without an iteratee call guard.
+ *
+ * @private
+ * @param {Array} array The array to slice.
+ * @param {number} [start=0] The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns the slice of `array`.
+ */
+function baseSlice(array, start, end) {
+  var index = -1,
+      length = array.length;
+
+  if (start < 0) {
+    start = -start > length ? 0 : (length + start);
+  }
+  end = end > length ? length : end;
+  if (end < 0) {
+    end += length;
+  }
+  length = start > end ? 0 : ((end - start) >>> 0);
+  start >>>= 0;
+
+  var result = Array(length);
+  while (++index < length) {
+    result[index] = array[index + start];
+  }
+  return result;
+}
+
+/**
+ * Casts `array` to a slice if it's needed.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {number} start The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns the cast slice.
+ */
+function castSlice(array, start, end) {
+  var length = array.length;
+  end = end === undefined ? length : end;
+  return (!start && end >= length) ? array : baseSlice(array, start, end);
+}
+
+/**
+ * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+ * that is not found in the character symbols.
+ *
+ * @private
+ * @param {Array} strSymbols The string symbols to inspect.
+ * @param {Array} chrSymbols The character symbols to find.
+ * @returns {number} Returns the index of the last unmatched string symbol.
+ */
+function charsEndIndex(strSymbols, chrSymbols) {
+  var index = strSymbols.length;
+
+  while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+  return index;
+}
+
+/**
+ * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+ * that is not found in the character symbols.
+ *
+ * @private
+ * @param {Array} strSymbols The string symbols to inspect.
+ * @param {Array} chrSymbols The character symbols to find.
+ * @returns {number} Returns the index of the first unmatched string symbol.
+ */
+function charsStartIndex(strSymbols, chrSymbols) {
+  var index = -1,
+      length = strSymbols.length;
+
+  while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+  return index;
+}
+
+/**
+ * Converts an ASCII `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function asciiToArray(string) {
+  return string.split('');
+}
+
+/** Used to compose unicode character classes. */
+var rsAstralRange = '\\ud800-\\udfff';
+var rsComboMarksRange = '\\u0300-\\u036f';
+var reComboHalfMarksRange = '\\ufe20-\\ufe2f';
+var rsComboSymbolsRange = '\\u20d0-\\u20ff';
+var rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;
+var rsVarRange = '\\ufe0e\\ufe0f';
+
+/** Used to compose unicode capture groups. */
+var rsZWJ = '\\u200d';
+
+/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+/**
+ * Checks if `string` contains Unicode symbols.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+ */
+function hasUnicode(string) {
+  return reHasUnicode.test(string);
+}
+
+/** Used to compose unicode character classes. */
+var rsAstralRange$1 = '\\ud800-\\udfff';
+var rsComboMarksRange$1 = '\\u0300-\\u036f';
+var reComboHalfMarksRange$1 = '\\ufe20-\\ufe2f';
+var rsComboSymbolsRange$1 = '\\u20d0-\\u20ff';
+var rsComboRange$1 = rsComboMarksRange$1 + reComboHalfMarksRange$1 + rsComboSymbolsRange$1;
+var rsVarRange$1 = '\\ufe0e\\ufe0f';
+
+/** Used to compose unicode capture groups. */
+var rsAstral = '[' + rsAstralRange$1 + ']';
+var rsCombo = '[' + rsComboRange$1 + ']';
+var rsFitz = '\\ud83c[\\udffb-\\udfff]';
+var rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')';
+var rsNonAstral = '[^' + rsAstralRange$1 + ']';
+var rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}';
+var rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]';
+var rsZWJ$1 = '\\u200d';
+
+/** Used to compose unicode regexes. */
+var reOptMod = rsModifier + '?';
+var rsOptVar = '[' + rsVarRange$1 + ']?';
+var rsOptJoin = '(?:' + rsZWJ$1 + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*';
+var rsSeq = rsOptVar + reOptMod + rsOptJoin;
+var rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+/**
+ * Converts a Unicode `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function unicodeToArray(string) {
+  return string.match(reUnicode) || [];
+}
+
+/**
+ * Converts `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function stringToArray(string) {
+  return hasUnicode(string)
+    ? unicodeToArray(string)
+    : asciiToArray(string);
+}
+
+/**
+ * Converts `value` to a string. An empty string is returned for `null`
+ * and `undefined` values. The sign of `-0` is preserved.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {string} Returns the converted string.
+ * @example
+ *
+ * _.toString(null);
+ * // => ''
+ *
+ * _.toString(-0);
+ * // => '-0'
+ *
+ * _.toString([1, 2, 3]);
+ * // => '1,2,3'
+ */
+function toString(value) {
+  return value == null ? '' : baseToString(value);
+}
+
+/** Used to match leading and trailing whitespace. */
+var reTrim = /^\s+|\s+$/g;
+
+/**
+ * Removes leading and trailing whitespace or specified characters from `string`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to trim.
+ * @param {string} [chars=whitespace] The characters to trim.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {string} Returns the trimmed string.
+ * @example
+ *
+ * _.trim('  abc  ');
+ * // => 'abc'
+ *
+ * _.trim('-_-abc-_-', '_-');
+ * // => 'abc'
+ *
+ * _.map(['  foo  ', '  bar  '], _.trim);
+ * // => ['foo', 'bar']
+ */
+function trim(string, chars, guard) {
+  string = toString(string);
+  if (string && (guard || chars === undefined)) {
+    return string.replace(reTrim, '');
+  }
+  if (!string || !(chars = baseToString(chars))) {
+    return string;
+  }
+  var strSymbols = stringToArray(string),
+      chrSymbols = stringToArray(chars),
+      start = charsStartIndex(strSymbols, chrSymbols),
+      end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+  return castSlice(strSymbols, start, end).join('');
+}
+
+var FN_ARGS = /^(?:async\s+)?(function)?\s*[^\(]*\(\s*([^\)]*)\)/m;
+var FN_ARG_SPLIT = /,/;
+var FN_ARG = /(=.+)?(\s*)$/;
+var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
+
+function parseParams(func) {
+    func = func.toString().replace(STRIP_COMMENTS, '');
+    func = func.match(FN_ARGS)[2].replace(' ', '');
+    func = func ? func.split(FN_ARG_SPLIT) : [];
+    func = func.map(function (arg){
+        return trim(arg.replace(FN_ARG, ''));
+    });
+    return func;
+}
+
+/**
+ * A dependency-injected version of the [async.auto]{@link module:ControlFlow.auto} function. Dependent
+ * tasks are specified as parameters to the function, after the usual callback
+ * parameter, with the parameter names matching the names of the tasks it
+ * depends on. This can provide even more readable task graphs which can be
+ * easier to maintain.
+ *
+ * If a final callback is specified, the task results are similarly injected,
+ * specified as named parameters after the initial error parameter.
+ *
+ * The autoInject function is purely syntactic sugar and its semantics are
+ * otherwise equivalent to [async.auto]{@link module:ControlFlow.auto}.
+ *
+ * @name autoInject
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.auto]{@link module:ControlFlow.auto}
+ * @category Control Flow
+ * @param {Object} tasks - An object, each of whose properties is an {@link AsyncFunction} of
+ * the form 'func([dependencies...], callback). The object's key of a property
+ * serves as the name of the task defined by that property, i.e. can be used
+ * when specifying requirements for other tasks.
+ * * The `callback` parameter is a `callback(err, result)` which must be called
+ *   when finished, passing an `error` (which can be `null`) and the result of
+ *   the function's execution. The remaining parameters name other tasks on
+ *   which the task is dependent, and the results from those tasks are the
+ *   arguments of those parameters.
+ * @param {Function} [callback] - An optional callback which is called when all
+ * the tasks have been completed. It receives the `err` argument if any `tasks`
+ * pass an error to their callback, and a `results` object with any completed
+ * task results, similar to `auto`.
+ * @example
+ *
+ * //  The example from `auto` can be rewritten as follows:
+ * async.autoInject({
+ *     get_data: function(callback) {
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: function(get_data, make_folder, callback) {
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     },
+ *     email_link: function(write_file, callback) {
+ *         // once the file is written let's email a link to it...
+ *         // write_file contains the filename returned by write_file.
+ *         callback(null, {'file':write_file, 'email':'user@example.com'});
+ *     }
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('email_link = ', results.email_link);
+ * });
+ *
+ * // If you are using a JS minifier that mangles parameter names, `autoInject`
+ * // will not work with plain functions, since the parameter names will be
+ * // collapsed to a single letter identifier.  To work around this, you can
+ * // explicitly specify the names of the parameters your task function needs
+ * // in an array, similar to Angular.js dependency injection.
+ *
+ * // This still has an advantage over plain `auto`, since the results a task
+ * // depends on are still spread into arguments.
+ * async.autoInject({
+ *     //...
+ *     write_file: ['get_data', 'make_folder', function(get_data, make_folder, callback) {
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(write_file, callback) {
+ *         callback(null, {'file':write_file, 'email':'user@example.com'});
+ *     }]
+ *     //...
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('email_link = ', results.email_link);
+ * });
+ */
+function autoInject(tasks, callback) {
+    var newTasks = {};
+
+    baseForOwn(tasks, function (taskFn, key) {
+        var params;
+        var fnIsAsync = isAsync(taskFn);
+        var hasNoDeps =
+            (!fnIsAsync && taskFn.length === 1) ||
+            (fnIsAsync && taskFn.length === 0);
+
+        if (isArray(taskFn)) {
+            params = taskFn.slice(0, -1);
+            taskFn = taskFn[taskFn.length - 1];
+
+            newTasks[key] = params.concat(params.length > 0 ? newTask : taskFn);
+        } else if (hasNoDeps) {
+            // no dependencies, use the function as-is
+            newTasks[key] = taskFn;
+        } else {
+            params = parseParams(taskFn);
+            if (taskFn.length === 0 && !fnIsAsync && params.length === 0) {
+                throw new Error("autoInject task functions require explicit parameters.");
+            }
+
+            // remove callback param
+            if (!fnIsAsync) params.pop();
+
+            newTasks[key] = params.concat(newTask);
+        }
+
+        function newTask(results, taskCb) {
+            var newArgs = arrayMap(params, function (name) {
+                return results[name];
+            });
+            newArgs.push(taskCb);
+            wrapAsync(taskFn).apply(null, newArgs);
+        }
+    });
+
+    auto(newTasks, callback);
+}
+
+// Simple doubly linked list (https://en.wikipedia.org/wiki/Doubly_linked_list) implementation
+// used for queues. This implementation assumes that the node provided by the user can be modified
+// to adjust the next and last properties. We implement only the minimal functionality
+// for queue support.
+function DLL() {
+    this.head = this.tail = null;
+    this.length = 0;
+}
+
+function setInitial(dll, node) {
+    dll.length = 1;
+    dll.head = dll.tail = node;
+}
+
+DLL.prototype.removeLink = function(node) {
+    if (node.prev) node.prev.next = node.next;
+    else this.head = node.next;
+    if (node.next) node.next.prev = node.prev;
+    else this.tail = node.prev;
+
+    node.prev = node.next = null;
+    this.length -= 1;
+    return node;
+};
+
+DLL.prototype.empty = function () {
+    while(this.head) this.shift();
+    return this;
+};
+
+DLL.prototype.insertAfter = function(node, newNode) {
+    newNode.prev = node;
+    newNode.next = node.next;
+    if (node.next) node.next.prev = newNode;
+    else this.tail = newNode;
+    node.next = newNode;
+    this.length += 1;
+};
+
+DLL.prototype.insertBefore = function(node, newNode) {
+    newNode.prev = node.prev;
+    newNode.next = node;
+    if (node.prev) node.prev.next = newNode;
+    else this.head = newNode;
+    node.prev = newNode;
+    this.length += 1;
+};
+
+DLL.prototype.unshift = function(node) {
+    if (this.head) this.insertBefore(this.head, node);
+    else setInitial(this, node);
+};
+
+DLL.prototype.push = function(node) {
+    if (this.tail) this.insertAfter(this.tail, node);
+    else setInitial(this, node);
+};
+
+DLL.prototype.shift = function() {
+    return this.head && this.removeLink(this.head);
+};
+
+DLL.prototype.pop = function() {
+    return this.tail && this.removeLink(this.tail);
+};
+
+DLL.prototype.toArray = function () {
+    var arr = Array(this.length);
+    var curr = this.head;
+    for(var idx = 0; idx < this.length; idx++) {
+        arr[idx] = curr.data;
+        curr = curr.next;
+    }
+    return arr;
+};
+
+DLL.prototype.remove = function (testFn) {
+    var curr = this.head;
+    while(!!curr) {
+        var next = curr.next;
+        if (testFn(curr)) {
+            this.removeLink(curr);
+        }
+        curr = next;
+    }
+    return this;
+};
+
+function queue(worker, concurrency, payload) {
+    if (concurrency == null) {
+        concurrency = 1;
+    }
+    else if(concurrency === 0) {
+        throw new Error('Concurrency must not be zero');
+    }
+
+    var _worker = wrapAsync(worker);
+    var numRunning = 0;
+    var workersList = [];
+
+    var processingScheduled = false;
+    function _insert(data, insertAtFront, callback) {
+        if (callback != null && typeof callback !== 'function') {
+            throw new Error('task callback must be a function');
+        }
+        q.started = true;
+        if (!isArray(data)) {
+            data = [data];
+        }
+        if (data.length === 0 && q.idle()) {
+            // call drain immediately if there are no tasks
+            return setImmediate$1(function() {
+                q.drain();
+            });
+        }
+
+        for (var i = 0, l = data.length; i < l; i++) {
+            var item = {
+                data: data[i],
+                callback: callback || noop
+            };
+
+            if (insertAtFront) {
+                q._tasks.unshift(item);
+            } else {
+                q._tasks.push(item);
+            }
+        }
+
+        if (!processingScheduled) {
+            processingScheduled = true;
+            setImmediate$1(function() {
+                processingScheduled = false;
+                q.process();
+            });
+        }
+    }
+
+    function _next(tasks) {
+        return function(err){
+            numRunning -= 1;
+
+            for (var i = 0, l = tasks.length; i < l; i++) {
+                var task = tasks[i];
+
+                var index = baseIndexOf(workersList, task, 0);
+                if (index === 0) {
+                    workersList.shift();
+                } else if (index > 0) {
+                    workersList.splice(index, 1);
+                }
+
+                task.callback.apply(task, arguments);
+
+                if (err != null) {
+                    q.error(err, task.data);
+                }
+            }
+
+            if (numRunning <= (q.concurrency - q.buffer) ) {
+                q.unsaturated();
+            }
+
+            if (q.idle()) {
+                q.drain();
+            }
+            q.process();
+        };
+    }
+
+    var isProcessing = false;
+    var q = {
+        _tasks: new DLL(),
+        concurrency: concurrency,
+        payload: payload,
+        saturated: noop,
+        unsaturated:noop,
+        buffer: concurrency / 4,
+        empty: noop,
+        drain: noop,
+        error: noop,
+        started: false,
+        paused: false,
+        push: function (data, callback) {
+            _insert(data, false, callback);
+        },
+        kill: function () {
+            q.drain = noop;
+            q._tasks.empty();
+        },
+        unshift: function (data, callback) {
+            _insert(data, true, callback);
+        },
+        remove: function (testFn) {
+            q._tasks.remove(testFn);
+        },
+        process: function () {
+            // Avoid trying to start too many processing operations. This can occur
+            // when callbacks resolve synchronously (#1267).
+            if (isProcessing) {
+                return;
+            }
+            isProcessing = true;
+            while(!q.paused && numRunning < q.concurrency && q._tasks.length){
+                var tasks = [], data = [];
+                var l = q._tasks.length;
+                if (q.payload) l = Math.min(l, q.payload);
+                for (var i = 0; i < l; i++) {
+                    var node = q._tasks.shift();
+                    tasks.push(node);
+                    workersList.push(node);
+                    data.push(node.data);
+                }
+
+                numRunning += 1;
+
+                if (q._tasks.length === 0) {
+                    q.empty();
+                }
+
+                if (numRunning === q.concurrency) {
+                    q.saturated();
+                }
+
+                var cb = onlyOnce(_next(tasks));
+                _worker(data, cb);
+            }
+            isProcessing = false;
+        },
+        length: function () {
+            return q._tasks.length;
+        },
+        running: function () {
+            return numRunning;
+        },
+        workersList: function () {
+            return workersList;
+        },
+        idle: function() {
+            return q._tasks.length + numRunning === 0;
+        },
+        pause: function () {
+            q.paused = true;
+        },
+        resume: function () {
+            if (q.paused === false) { return; }
+            q.paused = false;
+            setImmediate$1(q.process);
+        }
+    };
+    return q;
+}
+
+/**
+ * A cargo of tasks for the worker function to complete. Cargo inherits all of
+ * the same methods and event callbacks as [`queue`]{@link module:ControlFlow.queue}.
+ * @typedef {Object} CargoObject
+ * @memberOf module:ControlFlow
+ * @property {Function} length - A function returning the number of items
+ * waiting to be processed. Invoke like `cargo.length()`.
+ * @property {number} payload - An `integer` for determining how many tasks
+ * should be process per round. This property can be changed after a `cargo` is
+ * created to alter the payload on-the-fly.
+ * @property {Function} push - Adds `task` to the `queue`. The callback is
+ * called once the `worker` has finished processing the task. Instead of a
+ * single task, an array of `tasks` can be submitted. The respective callback is
+ * used for every task in the list. Invoke like `cargo.push(task, [callback])`.
+ * @property {Function} saturated - A callback that is called when the
+ * `queue.length()` hits the concurrency and further tasks will be queued.
+ * @property {Function} empty - A callback that is called when the last item
+ * from the `queue` is given to a `worker`.
+ * @property {Function} drain - A callback that is called when the last item
+ * from the `queue` has returned from the `worker`.
+ * @property {Function} idle - a function returning false if there are items
+ * waiting or being processed, or true if not. Invoke like `cargo.idle()`.
+ * @property {Function} pause - a function that pauses the processing of tasks
+ * until `resume()` is called. Invoke like `cargo.pause()`.
+ * @property {Function} resume - a function that resumes the processing of
+ * queued tasks when the queue is paused. Invoke like `cargo.resume()`.
+ * @property {Function} kill - a function that removes the `drain` callback and
+ * empties remaining tasks from the queue forcing it to go idle. Invoke like `cargo.kill()`.
+ */
+
+/**
+ * Creates a `cargo` object with the specified payload. Tasks added to the
+ * cargo will be processed altogether (up to the `payload` limit). If the
+ * `worker` is in progress, the task is queued until it becomes available. Once
+ * the `worker` has completed some tasks, each callback of those tasks is
+ * called. Check out [these](https://camo.githubusercontent.com/6bbd36f4cf5b35a0f11a96dcd2e97711ffc2fb37/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130382f62626330636662302d356632392d313165322d393734662d3333393763363464633835382e676966) [animations](https://camo.githubusercontent.com/f4810e00e1c5f5f8addbe3e9f49064fd5d102699/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130312f38346339323036362d356632392d313165322d383134662d3964336430323431336266642e676966)
+ * for how `cargo` and `queue` work.
+ *
+ * While [`queue`]{@link module:ControlFlow.queue} passes only one task to one of a group of workers
+ * at a time, cargo passes an array of tasks to a single worker, repeating
+ * when the worker is finished.
+ *
+ * @name cargo
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.queue]{@link module:ControlFlow.queue}
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An asynchronous function for processing an array
+ * of queued tasks. Invoked with `(tasks, callback)`.
+ * @param {number} [payload=Infinity] - An optional `integer` for determining
+ * how many tasks should be processed per round; if omitted, the default is
+ * unlimited.
+ * @returns {module:ControlFlow.CargoObject} A cargo object to manage the tasks. Callbacks can
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the cargo and inner queue.
+ * @example
+ *
+ * // create a cargo object with payload 2
+ * var cargo = async.cargo(function(tasks, callback) {
+ *     for (var i=0; i<tasks.length; i++) {
+ *         console.log('hello ' + tasks[i].name);
+ *     }
+ *     callback();
+ * }, 2);
+ *
+ * // add some items
+ * cargo.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * cargo.push({name: 'bar'}, function(err) {
+ *     console.log('finished processing bar');
+ * });
+ * cargo.push({name: 'baz'}, function(err) {
+ *     console.log('finished processing baz');
+ * });
+ */
+function cargo(worker, payload) {
+    return queue(worker, 1, payload);
+}
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
+ *
+ * @name eachOfSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Invoked with (err).
+ */
+var eachOfSeries = doLimit(eachOfLimit, 1);
+
+/**
+ * Reduces `coll` into a single value using an async `iteratee` to return each
+ * successive step. `memo` is the initial state of the reduction. This function
+ * only operates in series.
+ *
+ * For performance reasons, it may make sense to split a call to this function
+ * into a parallel map, and then use the normal `Array.prototype.reduce` on the
+ * results. This function is for situations where each step in the reduction
+ * needs to be async; if you can get the data before reducing it, then it's
+ * probably a good idea to do so.
+ *
+ * @name reduce
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias inject
+ * @alias foldl
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.reduce([1,2,3], 0, function(memo, item, callback) {
+ *     // pointless async:
+ *     process.nextTick(function() {
+ *         callback(null, memo + item)
+ *     });
+ * }, function(err, result) {
+ *     // result is now equal to the last value of memo, which is 6
+ * });
+ */
+function reduce(coll, memo, iteratee, callback) {
+    callback = once(callback || noop);
+    var _iteratee = wrapAsync(iteratee);
+    eachOfSeries(coll, function(x, i, callback) {
+        _iteratee(memo, x, function(err, v) {
+            memo = v;
+            callback(err);
+        });
+    }, function(err) {
+        callback(err, memo);
+    });
+}
+
+/**
+ * Version of the compose function that is more natural to read. Each function
+ * consumes the return value of the previous function. It is the equivalent of
+ * [compose]{@link module:ControlFlow.compose} with the arguments reversed.
+ *
+ * Each function is executed with the `this` binding of the composed function.
+ *
+ * @name seq
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.compose]{@link module:ControlFlow.compose}
+ * @category Control Flow
+ * @param {...AsyncFunction} functions - the asynchronous functions to compose
+ * @returns {Function} a function that composes the `functions` in order
+ * @example
+ *
+ * // Requires lodash (or underscore), express3 and dresende's orm2.
+ * // Part of an app, that fetches cats of the logged user.
+ * // This example uses `seq` function to avoid overnesting and error
+ * // handling clutter.
+ * app.get('/cats', function(request, response) {
+ *     var User = request.models.User;
+ *     async.seq(
+ *         _.bind(User.get, User),  // 'User.get' has signature (id, callback(err, data))
+ *         function(user, fn) {
+ *             user.getCats(fn);      // 'getCats' has signature (callback(err, data))
+ *         }
+ *     )(req.session.user_id, function (err, cats) {
+ *         if (err) {
+ *             console.error(err);
+ *             response.json({ status: 'error', message: err.message });
+ *         } else {
+ *             response.json({ status: 'ok', message: 'Cats found', data: cats });
+ *         }
+ *     });
+ * });
+ */
+function seq(/*...functions*/) {
+    var _functions = arrayMap(arguments, wrapAsync);
+    return function(/*...args*/) {
+        var args = slice(arguments);
+        var that = this;
+
+        var cb = args[args.length - 1];
+        if (typeof cb == 'function') {
+            args.pop();
+        } else {
+            cb = noop;
+        }
+
+        reduce(_functions, args, function(newargs, fn, cb) {
+            fn.apply(that, newargs.concat(function(err/*, ...nextargs*/) {
+                var nextargs = slice(arguments, 1);
+                cb(err, nextargs);
+            }));
+        },
+        function(err, results) {
+            cb.apply(that, [err].concat(results));
+        });
+    };
+}
+
+/**
+ * Creates a function which is a composition of the passed asynchronous
+ * functions. Each function consumes the return value of the function that
+ * follows. Composing functions `f()`, `g()`, and `h()` would produce the result
+ * of `f(g(h()))`, only this version uses callbacks to obtain the return values.
+ *
+ * Each function is executed with the `this` binding of the composed function.
+ *
+ * @name compose
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {...AsyncFunction} functions - the asynchronous functions to compose
+ * @returns {Function} an asynchronous function that is the composed
+ * asynchronous `functions`
+ * @example
+ *
+ * function add1(n, callback) {
+ *     setTimeout(function () {
+ *         callback(null, n + 1);
+ *     }, 10);
+ * }
+ *
+ * function mul3(n, callback) {
+ *     setTimeout(function () {
+ *         callback(null, n * 3);
+ *     }, 10);
+ * }
+ *
+ * var add1mul3 = async.compose(mul3, add1);
+ * add1mul3(4, function (err, result) {
+ *     // result now equals 15
+ * });
+ */
+var compose = function(/*...args*/) {
+    return seq.apply(null, slice(arguments).reverse());
+};
+
+var _concat = Array.prototype.concat;
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name concatLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ */
+var concatLimit = function(coll, limit, iteratee, callback) {
+    callback = callback || noop;
+    var _iteratee = wrapAsync(iteratee);
+    mapLimit(coll, limit, function(val, callback) {
+        _iteratee(val, function(err /*, ...args*/) {
+            if (err) return callback(err);
+            return callback(null, slice(arguments, 1));
+        });
+    }, function(err, mapResults) {
+        var result = [];
+        for (var i = 0; i < mapResults.length; i++) {
+            if (mapResults[i]) {
+                result = _concat.apply(result, mapResults[i]);
+            }
+        }
+
+        return callback(err, result);
+    });
+};
+
+/**
+ * Applies `iteratee` to each item in `coll`, concatenating the results. Returns
+ * the concatenated list. The `iteratee`s are called in parallel, and the
+ * results are concatenated as they return. There is no guarantee that the
+ * results array will be returned in the original order of `coll` passed to the
+ * `iteratee` function.
+ *
+ * @name concat
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback(err)] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @example
+ *
+ * async.concat(['dir1','dir2','dir3'], fs.readdir, function(err, files) {
+ *     // files is now a list of filenames that exist in the 3 directories
+ * });
+ */
+var concat = doLimit(concatLimit, Infinity);
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
+ *
+ * @name concatSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
+ * The iteratee should complete with an array an array of results.
+ * Invoked with (item, callback).
+ * @param {Function} [callback(err)] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ */
+var concatSeries = doLimit(concatLimit, 1);
+
+/**
+ * Returns a function that when called, calls-back with the values provided.
+ * Useful as the first function in a [`waterfall`]{@link module:ControlFlow.waterfall}, or for plugging values in to
+ * [`auto`]{@link module:ControlFlow.auto}.
+ *
+ * @name constant
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {...*} arguments... - Any number of arguments to automatically invoke
+ * callback with.
+ * @returns {AsyncFunction} Returns a function that when invoked, automatically
+ * invokes the callback with the previous given arguments.
+ * @example
+ *
+ * async.waterfall([
+ *     async.constant(42),
+ *     function (value, next) {
+ *         // value === 42
+ *     },
+ *     //...
+ * ], callback);
+ *
+ * async.waterfall([
+ *     async.constant(filename, "utf8"),
+ *     fs.readFile,
+ *     function (fileData, next) {
+ *         //...
+ *     }
+ *     //...
+ * ], callback);
+ *
+ * async.auto({
+ *     hostname: async.constant("https://server.net/"),
+ *     port: findFreePort,
+ *     launchServer: ["hostname", "port", function (options, cb) {
+ *         startServer(options, cb);
+ *     }],
+ *     //...
+ * }, callback);
+ */
+var constant = function(/*...values*/) {
+    var values = slice(arguments);
+    var args = [null].concat(values);
+    return function (/*...ignoredArgs, callback*/) {
+        var callback = arguments[arguments.length - 1];
+        return callback.apply(this, args);
+    };
+};
+
+/**
+ * This method returns the first argument it receives.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {*} value Any value.
+ * @returns {*} Returns `value`.
+ * @example
+ *
+ * var object = { 'a': 1 };
+ *
+ * console.log(_.identity(object) === object);
+ * // => true
+ */
+function identity(value) {
+  return value;
+}
+
+function _createTester(check, getResult) {
+    return function(eachfn, arr, iteratee, cb) {
+        cb = cb || noop;
+        var testPassed = false;
+        var testResult;
+        eachfn(arr, function(value, _, callback) {
+            iteratee(value, function(err, result) {
+                if (err) {
+                    callback(err);
+                } else if (check(result) && !testResult) {
+                    testPassed = true;
+                    testResult = getResult(true, value);
+                    callback(null, breakLoop);
+                } else {
+                    callback();
+                }
+            });
+        }, function(err) {
+            if (err) {
+                cb(err);
+            } else {
+                cb(null, testPassed ? testResult : getResult(false));
+            }
+        });
+    };
+}
+
+function _findGetResult(v, x) {
+    return x;
+}
+
+/**
+ * Returns the first value in `coll` that passes an async truth test. The
+ * `iteratee` is applied in parallel, meaning the first iteratee to return
+ * `true` will fire the detect `callback` with that result. That means the
+ * result might not be the first item in the original `coll` (in terms of order)
+ * that passes the test.
+
+ * If order within the original `coll` is important, then look at
+ * [`detectSeries`]{@link module:Collections.detectSeries}.
+ *
+ * @name detect
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias find
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.detect(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // result now equals the first file in the list that exists
+ * });
+ */
+var detect = doParallel(_createTester(identity, _findGetResult));
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name detectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findLimit
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ */
+var detectLimit = doParallelLimit(_createTester(identity, _findGetResult));
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
+ *
+ * @name detectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findSeries
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ */
+var detectSeries = doLimit(detectLimit, 1);
+
+function consoleFunc(name) {
+    return function (fn/*, ...args*/) {
+        var args = slice(arguments, 1);
+        args.push(function (err/*, ...args*/) {
+            var args = slice(arguments, 1);
+            if (typeof console === 'object') {
+                if (err) {
+                    if (console.error) {
+                        console.error(err);
+                    }
+                } else if (console[name]) {
+                    arrayEach(args, function (x) {
+                        console[name](x);
+                    });
+                }
+            }
+        });
+        wrapAsync(fn).apply(null, args);
+    };
+}
+
+/**
+ * Logs the result of an [`async` function]{@link AsyncFunction} to the
+ * `console` using `console.dir` to display the properties of the resulting object.
+ * Only works in Node.js or in browsers that support `console.dir` and
+ * `console.error` (such as FF and Chrome).
+ * If multiple arguments are returned from the async function,
+ * `console.dir` is called on each argument in order.
+ *
+ * @name dir
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} function - The function you want to eventually apply
+ * all arguments to.
+ * @param {...*} arguments... - Any number of arguments to apply to the function.
+ * @example
+ *
+ * // in a module
+ * var hello = function(name, callback) {
+ *     setTimeout(function() {
+ *         callback(null, {hello: name});
+ *     }, 1000);
+ * };
+ *
+ * // in the node repl
+ * node> async.dir(hello, 'world');
+ * {hello: 'world'}
+ */
+var dir = consoleFunc('dir');
+
+/**
+ * The post-check version of [`during`]{@link module:ControlFlow.during}. To reflect the difference in
+ * the order of operations, the arguments `test` and `fn` are switched.
+ *
+ * Also a version of [`doWhilst`]{@link module:ControlFlow.doWhilst} with asynchronous `test` function.
+ * @name doDuring
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.during]{@link module:ControlFlow.during}
+ * @category Control Flow
+ * @param {AsyncFunction} fn - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {AsyncFunction} test - asynchronous truth test to perform before each
+ * execution of `fn`. Invoked with (...args, callback), where `...args` are the
+ * non-error args from the previous callback of `fn`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `fn` has stopped. `callback`
+ * will be passed an error if one occurred, otherwise `null`.
+ */
+function doDuring(fn, test, callback) {
+    callback = onlyOnce(callback || noop);
+    var _fn = wrapAsync(fn);
+    var _test = wrapAsync(test);
+
+    function next(err/*, ...args*/) {
+        if (err) return callback(err);
+        var args = slice(arguments, 1);
+        args.push(check);
+        _test.apply(this, args);
+    }
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (!truth) return callback(null);
+        _fn(next);
+    }
+
+    check(null, true);
+
+}
+
+/**
+ * The post-check version of [`whilst`]{@link module:ControlFlow.whilst}. To reflect the difference in
+ * the order of operations, the arguments `test` and `iteratee` are switched.
+ *
+ * `doWhilst` is to `whilst` as `do while` is to `while` in plain JavaScript.
+ *
+ * @name doWhilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - A function which is called each time `test`
+ * passes. Invoked with (callback).
+ * @param {Function} test - synchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with any non-error callback results of
+ * `iteratee`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped.
+ * `callback` will be passed an error and any arguments passed to the final
+ * `iteratee`'s callback. Invoked with (err, [results]);
+ */
+function doWhilst(iteratee, test, callback) {
+    callback = onlyOnce(callback || noop);
+    var _iteratee = wrapAsync(iteratee);
+    var next = function(err/*, ...args*/) {
+        if (err) return callback(err);
+        var args = slice(arguments, 1);
+        if (test.apply(this, args)) return _iteratee(next);
+        callback.apply(null, [null].concat(args));
+    };
+    _iteratee(next);
+}
+
+/**
+ * Like ['doWhilst']{@link module:ControlFlow.doWhilst}, except the `test` is inverted. Note the
+ * argument ordering differs from `until`.
+ *
+ * @name doUntil
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.doWhilst]{@link module:ControlFlow.doWhilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` fails. Invoked with (callback).
+ * @param {Function} test - synchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with any non-error callback results of
+ * `iteratee`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has passed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ */
+function doUntil(iteratee, test, callback) {
+    doWhilst(iteratee, function() {
+        return !test.apply(this, arguments);
+    }, callback);
+}
+
+/**
+ * Like [`whilst`]{@link module:ControlFlow.whilst}, except the `test` is an asynchronous function that
+ * is passed a callback in the form of `function (err, truth)`. If error is
+ * passed to `test` or `fn`, the main callback is immediately called with the
+ * value of the error.
+ *
+ * @name during
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {AsyncFunction} test - asynchronous truth test to perform before each
+ * execution of `fn`. Invoked with (callback).
+ * @param {AsyncFunction} fn - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `fn` has stopped. `callback`
+ * will be passed an error, if one occurred, otherwise `null`.
+ * @example
+ *
+ * var count = 0;
+ *
+ * async.during(
+ *     function (callback) {
+ *         return callback(null, count < 5);
+ *     },
+ *     function (callback) {
+ *         count++;
+ *         setTimeout(callback, 1000);
+ *     },
+ *     function (err) {
+ *         // 5 seconds have passed
+ *     }
+ * );
+ */
+function during(test, fn, callback) {
+    callback = onlyOnce(callback || noop);
+    var _fn = wrapAsync(fn);
+    var _test = wrapAsync(test);
+
+    function next(err) {
+        if (err) return callback(err);
+        _test(check);
+    }
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (!truth) return callback(null);
+        _fn(next);
+    }
+
+    _test(check);
+}
+
+function _withoutIndex(iteratee) {
+    return function (value, index, callback) {
+        return iteratee(value, callback);
+    };
+}
+
+/**
+ * Applies the function `iteratee` to each item in `coll`, in parallel.
+ * The `iteratee` is called with an item from the list, and a callback for when
+ * it has finished. If the `iteratee` passes an error to its `callback`, the
+ * main `callback` (for the `each` function) is immediately called with the
+ * error.
+ *
+ * Note, that since this function applies `iteratee` to each item in parallel,
+ * there is no guarantee that the iteratee functions will complete in order.
+ *
+ * @name each
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEach
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to
+ * each item in `coll`. Invoked with (item, callback).
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOf`.
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @example
+ *
+ * // assuming openFiles is an array of file names and saveFile is a function
+ * // to save the modified contents of that file:
+ *
+ * async.each(openFiles, saveFile, function(err){
+ *   // if any of the saves produced an error, err would equal that error
+ * });
+ *
+ * // assuming openFiles is an array of file names
+ * async.each(openFiles, function(file, callback) {
+ *
+ *     // Perform operation on file here.
+ *     console.log('Processing file ' + file);
+ *
+ *     if( file.length > 32 ) {
+ *       console.log('This file name is too long');
+ *       callback('File name too long');
+ *     } else {
+ *       // Do work to process file here
+ *       console.log('File processed');
+ *       callback();
+ *     }
+ * }, function(err) {
+ *     // if any of the file processing produced an error, err would equal that error
+ *     if( err ) {
+ *       // One of the iterations produced an error.
+ *       // All processing will now stop.
+ *       console.log('A file failed to process');
+ *     } else {
+ *       console.log('All files have been processed successfully');
+ *     }
+ * });
+ */
+function eachLimit(coll, iteratee, callback) {
+    eachOf(coll, _withoutIndex(wrapAsync(iteratee)), callback);
+}
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name eachLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfLimit`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+function eachLimit$1(coll, limit, iteratee, callback) {
+    _eachOfLimit(limit)(coll, _withoutIndex(wrapAsync(iteratee)), callback);
+}
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
+ *
+ * @name eachSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfSeries`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+var eachSeries = doLimit(eachLimit$1, 1);
+
+/**
+ * Wrap an async function and ensure it calls its callback on a later tick of
+ * the event loop.  If the function already calls its callback on a next tick,
+ * no extra deferral is added. This is useful for preventing stack overflows
+ * (`RangeError: Maximum call stack size exceeded`) and generally keeping
+ * [Zalgo](http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony)
+ * contained. ES2017 `async` functions are returned as-is -- they are immune
+ * to Zalgo's corrupting influences, as they always resolve on a later tick.
+ *
+ * @name ensureAsync
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - an async function, one that expects a node-style
+ * callback as its last argument.
+ * @returns {AsyncFunction} Returns a wrapped function with the exact same call
+ * signature as the function passed in.
+ * @example
+ *
+ * function sometimesAsync(arg, callback) {
+ *     if (cache[arg]) {
+ *         return callback(null, cache[arg]); // this would be synchronous!!
+ *     } else {
+ *         doSomeIO(arg, callback); // this IO would be asynchronous
+ *     }
+ * }
+ *
+ * // this has a risk of stack overflows if many results are cached in a row
+ * async.mapSeries(args, sometimesAsync, done);
+ *
+ * // this will defer sometimesAsync's callback if necessary,
+ * // preventing stack overflows
+ * async.mapSeries(args, async.ensureAsync(sometimesAsync), done);
+ */
+function ensureAsync(fn) {
+    if (isAsync(fn)) return fn;
+    return initialParams(function (args, callback) {
+        var sync = true;
+        args.push(function () {
+            var innerArgs = arguments;
+            if (sync) {
+                setImmediate$1(function () {
+                    callback.apply(null, innerArgs);
+                });
+            } else {
+                callback.apply(null, innerArgs);
+            }
+        });
+        fn.apply(this, args);
+        sync = false;
+    });
+}
+
+function notId(v) {
+    return !v;
+}
+
+/**
+ * Returns `true` if every element in `coll` satisfies an async test. If any
+ * iteratee call returns `false`, the main `callback` is immediately called.
+ *
+ * @name every
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias all
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @example
+ *
+ * async.every(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // if result is true then every file exists
+ * });
+ */
+var every = doParallel(_createTester(notId, notId));
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name everyLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ */
+var everyLimit = doParallelLimit(_createTester(notId, notId));
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
+ *
+ * @name everySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in series.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ */
+var everySeries = doLimit(everyLimit, 1);
+
+/**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function baseProperty(key) {
+  return function(object) {
+    return object == null ? undefined : object[key];
+  };
+}
+
+function filterArray(eachfn, arr, iteratee, callback) {
+    var truthValues = new Array(arr.length);
+    eachfn(arr, function (x, index, callback) {
+        iteratee(x, function (err, v) {
+            truthValues[index] = !!v;
+            callback(err);
+        });
+    }, function (err) {
+        if (err) return callback(err);
+        var results = [];
+        for (var i = 0; i < arr.length; i++) {
+            if (truthValues[i]) results.push(arr[i]);
+        }
+        callback(null, results);
+    });
+}
+
+function filterGeneric(eachfn, coll, iteratee, callback) {
+    var results = [];
+    eachfn(coll, function (x, index, callback) {
+        iteratee(x, function (err, v) {
+            if (err) {
+                callback(err);
+            } else {
+                if (v) {
+                    results.push({index: index, value: x});
+                }
+                callback();
+            }
+        });
+    }, function (err) {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null, arrayMap(results.sort(function (a, b) {
+                return a.index - b.index;
+            }), baseProperty('value')));
+        }
+    });
+}
+
+function _filter(eachfn, coll, iteratee, callback) {
+    var filter = isArrayLike(coll) ? filterArray : filterGeneric;
+    filter(eachfn, coll, wrapAsync(iteratee), callback || noop);
+}
+
+/**
+ * Returns a new array of all the values in `coll` which pass an async truth
+ * test. This operation is performed in parallel, but the results array will be
+ * in the same order as the original.
+ *
+ * @name filter
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias select
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @example
+ *
+ * async.filter(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, results) {
+ *     // results now equals an array of the existing files
+ * });
+ */
+var filter = doParallel(_filter);
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name filterLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+var filterLimit = doParallelLimit(_filter);
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs only a single async operation at a time.
+ *
+ * @name filterSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results)
+ */
+var filterSeries = doLimit(filterLimit, 1);
+
+/**
+ * Calls the asynchronous function `fn` with a callback parameter that allows it
+ * to call itself again, in series, indefinitely.
+
+ * If an error is passed to the callback then `errback` is called with the
+ * error, and execution stops, otherwise it will never be called.
+ *
+ * @name forever
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {AsyncFunction} fn - an async function to call repeatedly.
+ * Invoked with (next).
+ * @param {Function} [errback] - when `fn` passes an error to it's callback,
+ * this function will be called, and execution stops. Invoked with (err).
+ * @example
+ *
+ * async.forever(
+ *     function(next) {
+ *         // next is suitable for passing to things that need a callback(err [, whatever]);
+ *         // it will result in this function being called again.
+ *     },
+ *     function(err) {
+ *         // if next is called with a value in its first parameter, it will appear
+ *         // in here as 'err', and execution will stop.
+ *     }
+ * );
+ */
+function forever(fn, errback) {
+    var done = onlyOnce(errback || noop);
+    var task = wrapAsync(ensureAsync(fn));
+
+    function next(err) {
+        if (err) return done(err);
+        task(next);
+    }
+    next();
+}
+
+/**
+ * The same as [`groupBy`]{@link module:Collections.groupBy} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name groupByLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.groupBy]{@link module:Collections.groupBy}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ */
+var groupByLimit = function(coll, limit, iteratee, callback) {
+    callback = callback || noop;
+    var _iteratee = wrapAsync(iteratee);
+    mapLimit(coll, limit, function(val, callback) {
+        _iteratee(val, function(err, key) {
+            if (err) return callback(err);
+            return callback(null, {key: key, val: val});
+        });
+    }, function(err, mapResults) {
+        var result = {};
+        // from MDN, handle object having an `hasOwnProperty` prop
+        var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+        for (var i = 0; i < mapResults.length; i++) {
+            if (mapResults[i]) {
+                var key = mapResults[i].key;
+                var val = mapResults[i].val;
+
+                if (hasOwnProperty.call(result, key)) {
+                    result[key].push(val);
+                } else {
+                    result[key] = [val];
+                }
+            }
+        }
+
+        return callback(err, result);
+    });
+};
+
+/**
+ * Returns a new object, where each value corresponds to an array of items, from
+ * `coll`, that returned the corresponding key. That is, the keys of the object
+ * correspond to the values passed to the `iteratee` callback.
+ *
+ * Note: Since this function applies the `iteratee` to each item in parallel,
+ * there is no guarantee that the `iteratee` functions will complete in order.
+ * However, the values for each key in the `result` will be in the same order as
+ * the original `coll`. For Objects, the values will roughly be in the order of
+ * the original Objects' keys (but this can vary across JavaScript engines).
+ *
+ * @name groupBy
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ * @example
+ *
+ * async.groupBy(['userId1', 'userId2', 'userId3'], function(userId, callback) {
+ *     db.findById(userId, function(err, user) {
+ *         if (err) return callback(err);
+ *         return callback(null, user.age);
+ *     });
+ * }, function(err, result) {
+ *     // result is object containing the userIds grouped by age
+ *     // e.g. { 30: ['userId1', 'userId3'], 42: ['userId2']};
+ * });
+ */
+var groupBy = doLimit(groupByLimit, Infinity);
+
+/**
+ * The same as [`groupBy`]{@link module:Collections.groupBy} but runs only a single async operation at a time.
+ *
+ * @name groupBySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.groupBy]{@link module:Collections.groupBy}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ */
+var groupBySeries = doLimit(groupByLimit, 1);
+
+/**
+ * Logs the result of an `async` function to the `console`. Only works in
+ * Node.js or in browsers that support `console.log` and `console.error` (such
+ * as FF and Chrome). If multiple arguments are returned from the async
+ * function, `console.log` is called on each argument in order.
+ *
+ * @name log
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} function - The function you want to eventually apply
+ * all arguments to.
+ * @param {...*} arguments... - Any number of arguments to apply to the function.
+ * @example
+ *
+ * // in a module
+ * var hello = function(name, callback) {
+ *     setTimeout(function() {
+ *         callback(null, 'hello ' + name);
+ *     }, 1000);
+ * };
+ *
+ * // in the node repl
+ * node> async.log(hello, 'world');
+ * 'hello world'
+ */
+var log = consoleFunc('log');
+
+/**
+ * The same as [`mapValues`]{@link module:Collections.mapValues} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name mapValuesLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.mapValues]{@link module:Collections.mapValues}
+ * @category Collection
+ * @param {Object} obj - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A function to apply to each value and key
+ * in `coll`.
+ * The iteratee should complete with the transformed value as its result.
+ * Invoked with (value, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. `result` is a new object consisting
+ * of each key from `obj`, with each transformed value on the right-hand side.
+ * Invoked with (err, result).
+ */
+function mapValuesLimit(obj, limit, iteratee, callback) {
+    callback = once(callback || noop);
+    var newObj = {};
+    var _iteratee = wrapAsync(iteratee);
+    eachOfLimit(obj, limit, function(val, key, next) {
+        _iteratee(val, key, function (err, result) {
+            if (err) return next(err);
+            newObj[key] = result;
+            next();
+        });
+    }, function (err) {
+        callback(err, newObj);
+    });
+}
+
+/**
+ * A relative of [`map`]{@link module:Collections.map}, designed for use with objects.
+ *
+ * Produces a new Object by mapping each value of `obj` through the `iteratee`
+ * function. The `iteratee` is called each `value` and `key` from `obj` and a
+ * callback for when it has finished processing. Each of these callbacks takes
+ * two arguments: an `error`, and the transformed item from `obj`. If `iteratee`
+ * passes an error to its callback, the main `callback` (for the `mapValues`
+ * function) is immediately called with the error.
+ *
+ * Note, the order of the keys in the result is not guaranteed.  The keys will
+ * be roughly in the order they complete, (but this is very engine-specific)
+ *
+ * @name mapValues
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Object} obj - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each value and key
+ * in `coll`.
+ * The iteratee should complete with the transformed value as its result.
+ * Invoked with (value, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. `result` is a new object consisting
+ * of each key from `obj`, with each transformed value on the right-hand side.
+ * Invoked with (err, result).
+ * @example
+ *
+ * async.mapValues({
+ *     f1: 'file1',
+ *     f2: 'file2',
+ *     f3: 'file3'
+ * }, function (file, key, callback) {
+ *   fs.stat(file, callback);
+ * }, function(err, result) {
+ *     // result is now a map of stats for each file, e.g.
+ *     // {
+ *     //     f1: [stats for file1],
+ *     //     f2: [stats for file2],
+ *     //     f3: [stats for file3]
+ *     // }
+ * });
+ */
+
+var mapValues = doLimit(mapValuesLimit, Infinity);
+
+/**
+ * The same as [`mapValues`]{@link module:Collections.mapValues} but runs only a single async operation at a time.
+ *
+ * @name mapValuesSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.mapValues]{@link module:Collections.mapValues}
+ * @category Collection
+ * @param {Object} obj - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each value and key
+ * in `coll`.
+ * The iteratee should complete with the transformed value as its result.
+ * Invoked with (value, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. `result` is a new object consisting
+ * of each key from `obj`, with each transformed value on the right-hand side.
+ * Invoked with (err, result).
+ */
+var mapValuesSeries = doLimit(mapValuesLimit, 1);
+
+function has(obj, key) {
+    return key in obj;
+}
+
+/**
+ * Caches the results of an async function. When creating a hash to store
+ * function results against, the callback is omitted from the hash and an
+ * optional hash function can be used.
+ *
+ * If no hash function is specified, the first argument is used as a hash key,
+ * which may work reasonably if it is a string or a data type that converts to a
+ * distinct string. Note that objects and arrays will not behave reasonably.
+ * Neither will cases where the other arguments are significant. In such cases,
+ * specify your own hash function.
+ *
+ * The cache of results is exposed as the `memo` property of the function
+ * returned by `memoize`.
+ *
+ * @name memoize
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - The async function to proxy and cache results from.
+ * @param {Function} hasher - An optional function for generating a custom hash
+ * for storing results. It has all the arguments applied to it apart from the
+ * callback, and must be synchronous.
+ * @returns {AsyncFunction} a memoized version of `fn`
+ * @example
+ *
+ * var slow_fn = function(name, callback) {
+ *     // do something
+ *     callback(null, result);
+ * };
+ * var fn = async.memoize(slow_fn);
+ *
+ * // fn can now be used as if it were slow_fn
+ * fn('some name', function() {
+ *     // callback
+ * });
+ */
+function memoize(fn, hasher) {
+    var memo = Object.create(null);
+    var queues = Object.create(null);
+    hasher = hasher || identity;
+    var _fn = wrapAsync(fn);
+    var memoized = initialParams(function memoized(args, callback) {
+        var key = hasher.apply(null, args);
+        if (has(memo, key)) {
+            setImmediate$1(function() {
+                callback.apply(null, memo[key]);
+            });
+        } else if (has(queues, key)) {
+            queues[key].push(callback);
+        } else {
+            queues[key] = [callback];
+            _fn.apply(null, args.concat(function(/*args*/) {
+                var args = slice(arguments);
+                memo[key] = args;
+                var q = queues[key];
+                delete queues[key];
+                for (var i = 0, l = q.length; i < l; i++) {
+                    q[i].apply(null, args);
+                }
+            }));
+        }
+    });
+    memoized.memo = memo;
+    memoized.unmemoized = fn;
+    return memoized;
+}
+
+/**
+ * Calls `callback` on a later loop around the event loop. In Node.js this just
+ * calls `process.nextTick`.  In the browser it will use `setImmediate` if
+ * available, otherwise `setTimeout(callback, 0)`, which means other higher
+ * priority events may precede the execution of `callback`.
+ *
+ * This is used internally for browser-compatibility purposes.
+ *
+ * @name nextTick
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.setImmediate]{@link module:Utils.setImmediate}
+ * @category Util
+ * @param {Function} callback - The function to call on a later loop around
+ * the event loop. Invoked with (args...).
+ * @param {...*} args... - any number of additional arguments to pass to the
+ * callback on the next tick.
+ * @example
+ *
+ * var call_order = [];
+ * async.nextTick(function() {
+ *     call_order.push('two');
+ *     // call_order now equals ['one','two']
+ * });
+ * call_order.push('one');
+ *
+ * async.setImmediate(function (a, b, c) {
+ *     // a, b, and c equal 1, 2, and 3
+ * }, 1, 2, 3);
+ */
+var _defer$1;
+
+if (hasNextTick) {
+    _defer$1 = process.nextTick;
+} else if (hasSetImmediate) {
+    _defer$1 = setImmediate;
+} else {
+    _defer$1 = fallback;
+}
+
+var nextTick = wrap(_defer$1);
+
+function _parallel(eachfn, tasks, callback) {
+    callback = callback || noop;
+    var results = isArrayLike(tasks) ? [] : {};
+
+    eachfn(tasks, function (task, key, callback) {
+        wrapAsync(task)(function (err, result) {
+            if (arguments.length > 2) {
+                result = slice(arguments, 1);
+            }
+            results[key] = result;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, results);
+    });
+}
+
+/**
+ * Run the `tasks` collection of functions in parallel, without waiting until
+ * the previous function has completed. If any of the functions pass an error to
+ * its callback, the main `callback` is immediately called with the value of the
+ * error. Once the `tasks` have completed, the results are passed to the final
+ * `callback` as an array.
+ *
+ * **Note:** `parallel` is about kicking-off I/O tasks in parallel, not about
+ * parallel execution of code.  If your tasks do not use any timers or perform
+ * any I/O, they will actually be executed in series.  Any synchronous setup
+ * sections for each task will happen one after the other.  JavaScript remains
+ * single-threaded.
+ *
+ * **Hint:** Use [`reflect`]{@link module:Utils.reflect} to continue the
+ * execution of other tasks when a task fails.
+ *
+ * It is also possible to use an object instead of an array. Each property will
+ * be run as a function and the results will be passed to the final `callback`
+ * as an object instead of an array. This can be a more readable way of handling
+ * results from {@link async.parallel}.
+ *
+ * @name parallel
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection of
+ * [async functions]{@link AsyncFunction} to run.
+ * Each async function can complete with any number of optional `result` values.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed successfully. This function gets a results array
+ * (or object) containing all the result arguments passed to the task callbacks.
+ * Invoked with (err, results).
+ *
+ * @example
+ * async.parallel([
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'two');
+ *         }, 100);
+ *     }
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     // the results array will equal ['one','two'] even though
+ *     // the second function had a shorter timeout.
+ * });
+ *
+ * // an example using an object instead of an array
+ * async.parallel({
+ *     one: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 1);
+ *         }, 200);
+ *     },
+ *     two: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 2);
+ *         }, 100);
+ *     }
+ * }, function(err, results) {
+ *     // results is now equals to: {one: 1, two: 2}
+ * });
+ */
+function parallelLimit(tasks, callback) {
+    _parallel(eachOf, tasks, callback);
+}
+
+/**
+ * The same as [`parallel`]{@link module:ControlFlow.parallel} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name parallelLimit
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.parallel]{@link module:ControlFlow.parallel}
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection of
+ * [async functions]{@link AsyncFunction} to run.
+ * Each async function can complete with any number of optional `result` values.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed successfully. This function gets a results array
+ * (or object) containing all the result arguments passed to the task callbacks.
+ * Invoked with (err, results).
+ */
+function parallelLimit$1(tasks, limit, callback) {
+    _parallel(_eachOfLimit(limit), tasks, callback);
+}
+
+/**
+ * A queue of tasks for the worker function to complete.
+ * @typedef {Object} QueueObject
+ * @memberOf module:ControlFlow
+ * @property {Function} length - a function returning the number of items
+ * waiting to be processed. Invoke with `queue.length()`.
+ * @property {boolean} started - a boolean indicating whether or not any
+ * items have been pushed and processed by the queue.
+ * @property {Function} running - a function returning the number of items
+ * currently being processed. Invoke with `queue.running()`.
+ * @property {Function} workersList - a function returning the array of items
+ * currently being processed. Invoke with `queue.workersList()`.
+ * @property {Function} idle - a function returning false if there are items
+ * waiting or being processed, or true if not. Invoke with `queue.idle()`.
+ * @property {number} concurrency - an integer for determining how many `worker`
+ * functions should be run in parallel. This property can be changed after a
+ * `queue` is created to alter the concurrency on-the-fly.
+ * @property {Function} push - add a new task to the `queue`. Calls `callback`
+ * once the `worker` has finished processing the task. Instead of a single task,
+ * a `tasks` array can be submitted. The respective callback is used for every
+ * task in the list. Invoke with `queue.push(task, [callback])`,
+ * @property {Function} unshift - add a new task to the front of the `queue`.
+ * Invoke with `queue.unshift(task, [callback])`.
+ * @property {Function} remove - remove items from the queue that match a test
+ * function.  The test function will be passed an object with a `data` property,
+ * and a `priority` property, if this is a
+ * [priorityQueue]{@link module:ControlFlow.priorityQueue} object.
+ * Invoked with `queue.remove(testFn)`, where `testFn` is of the form
+ * `function ({data, priority}) {}` and returns a Boolean.
+ * @property {Function} saturated - a callback that is called when the number of
+ * running workers hits the `concurrency` limit, and further tasks will be
+ * queued.
+ * @property {Function} unsaturated - a callback that is called when the number
+ * of running workers is less than the `concurrency` & `buffer` limits, and
+ * further tasks will not be queued.
+ * @property {number} buffer - A minimum threshold buffer in order to say that
+ * the `queue` is `unsaturated`.
+ * @property {Function} empty - a callback that is called when the last item
+ * from the `queue` is given to a `worker`.
+ * @property {Function} drain - a callback that is called when the last item
+ * from the `queue` has returned from the `worker`.
+ * @property {Function} error - a callback that is called when a task errors.
+ * Has the signature `function(error, task)`.
+ * @property {boolean} paused - a boolean for determining whether the queue is
+ * in a paused state.
+ * @property {Function} pause - a function that pauses the processing of tasks
+ * until `resume()` is called. Invoke with `queue.pause()`.
+ * @property {Function} resume - a function that resumes the processing of
+ * queued tasks when the queue is paused. Invoke with `queue.resume()`.
+ * @property {Function} kill - a function that removes the `drain` callback and
+ * empties remaining tasks from the queue forcing it to go idle. No more tasks
+ * should be pushed to the queue after calling this function. Invoke with `queue.kill()`.
+ */
+
+/**
+ * Creates a `queue` object with the specified `concurrency`. Tasks added to the
+ * `queue` are processed in parallel (up to the `concurrency` limit). If all
+ * `worker`s are in progress, the task is queued until one becomes available.
+ * Once a `worker` completes a `task`, that `task`'s callback is called.
+ *
+ * @name queue
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An async function for processing a queued task.
+ * If you want to handle errors from an individual task, pass a callback to
+ * `q.push()`. Invoked with (task, callback).
+ * @param {number} [concurrency=1] - An `integer` for determining how many
+ * `worker` functions should be run in parallel.  If omitted, the concurrency
+ * defaults to `1`.  If the concurrency is `0`, an error is thrown.
+ * @returns {module:ControlFlow.QueueObject} A queue object to manage the tasks. Callbacks can
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the queue.
+ * @example
+ *
+ * // create a queue object with concurrency 2
+ * var q = async.queue(function(task, callback) {
+ *     console.log('hello ' + task.name);
+ *     callback();
+ * }, 2);
+ *
+ * // assign a callback
+ * q.drain = function() {
+ *     console.log('all items have been processed');
+ * };
+ *
+ * // add some items to the queue
+ * q.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * q.push({name: 'bar'}, function (err) {
+ *     console.log('finished processing bar');
+ * });
+ *
+ * // add some items to the queue (batch-wise)
+ * q.push([{name: 'baz'},{name: 'bay'},{name: 'bax'}], function(err) {
+ *     console.log('finished processing item');
+ * });
+ *
+ * // add some items to the front of the queue
+ * q.unshift({name: 'bar'}, function (err) {
+ *     console.log('finished processing bar');
+ * });
+ */
+var queue$1 = function (worker, concurrency) {
+    var _worker = wrapAsync(worker);
+    return queue(function (items, cb) {
+        _worker(items[0], cb);
+    }, concurrency, 1);
+};
+
+/**
+ * The same as [async.queue]{@link module:ControlFlow.queue} only tasks are assigned a priority and
+ * completed in ascending priority order.
+ *
+ * @name priorityQueue
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.queue]{@link module:ControlFlow.queue}
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An async function for processing a queued task.
+ * If you want to handle errors from an individual task, pass a callback to
+ * `q.push()`.
+ * Invoked with (task, callback).
+ * @param {number} concurrency - An `integer` for determining how many `worker`
+ * functions should be run in parallel.  If omitted, the concurrency defaults to
+ * `1`.  If the concurrency is `0`, an error is thrown.
+ * @returns {module:ControlFlow.QueueObject} A priorityQueue object to manage the tasks. There are two
+ * differences between `queue` and `priorityQueue` objects:
+ * * `push(task, priority, [callback])` - `priority` should be a number. If an
+ *   array of `tasks` is given, all tasks will be assigned the same priority.
+ * * The `unshift` method was removed.
+ */
+var priorityQueue = function(worker, concurrency) {
+    // Start with a normal queue
+    var q = queue$1(worker, concurrency);
+
+    // Override push to accept second parameter representing priority
+    q.push = function(data, priority, callback) {
+        if (callback == null) callback = noop;
+        if (typeof callback !== 'function') {
+            throw new Error('task callback must be a function');
+        }
+        q.started = true;
+        if (!isArray(data)) {
+            data = [data];
+        }
+        if (data.length === 0) {
+            // call drain immediately if there are no tasks
+            return setImmediate$1(function() {
+                q.drain();
+            });
+        }
+
+        priority = priority || 0;
+        var nextNode = q._tasks.head;
+        while (nextNode && priority >= nextNode.priority) {
+            nextNode = nextNode.next;
+        }
+
+        for (var i = 0, l = data.length; i < l; i++) {
+            var item = {
+                data: data[i],
+                priority: priority,
+                callback: callback
+            };
+
+            if (nextNode) {
+                q._tasks.insertBefore(nextNode, item);
+            } else {
+                q._tasks.push(item);
+            }
+        }
+        setImmediate$1(q.process);
+    };
+
+    // Remove unshift function
+    delete q.unshift;
+
+    return q;
+};
+
+/**
+ * Runs the `tasks` array of functions in parallel, without waiting until the
+ * previous function has completed. Once any of the `tasks` complete or pass an
+ * error to its callback, the main `callback` is immediately called. It's
+ * equivalent to `Promise.race()`.
+ *
+ * @name race
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array} tasks - An array containing [async functions]{@link AsyncFunction}
+ * to run. Each function can complete with an optional `result` value.
+ * @param {Function} callback - A callback to run once any of the functions have
+ * completed. This function gets an error or result from the first function that
+ * completed. Invoked with (err, result).
+ * @returns undefined
+ * @example
+ *
+ * async.race([
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'two');
+ *         }, 100);
+ *     }
+ * ],
+ * // main callback
+ * function(err, result) {
+ *     // the result will be equal to 'two' as it finishes earlier
+ * });
+ */
+function race(tasks, callback) {
+    callback = once(callback || noop);
+    if (!isArray(tasks)) return callback(new TypeError('First argument to race must be an array of functions'));
+    if (!tasks.length) return callback();
+    for (var i = 0, l = tasks.length; i < l; i++) {
+        wrapAsync(tasks[i])(callback);
+    }
+}
+
+/**
+ * Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order.
+ *
+ * @name reduceRight
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reduce]{@link module:Collections.reduce}
+ * @alias foldr
+ * @category Collection
+ * @param {Array} array - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ */
+function reduceRight (array, memo, iteratee, callback) {
+    var reversed = slice(array).reverse();
+    reduce(reversed, memo, iteratee, callback);
+}
+
+/**
+ * Wraps the async function in another function that always completes with a
+ * result object, even when it errors.
+ *
+ * The result object has either the property `error` or `value`.
+ *
+ * @name reflect
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - The async function you want to wrap
+ * @returns {Function} - A function that always passes null to it's callback as
+ * the error. The second argument to the callback will be an `object` with
+ * either an `error` or a `value` property.
+ * @example
+ *
+ * async.parallel([
+ *     async.reflect(function(callback) {
+ *         // do some stuff ...
+ *         callback(null, 'one');
+ *     }),
+ *     async.reflect(function(callback) {
+ *         // do some more stuff but error ...
+ *         callback('bad stuff happened');
+ *     }),
+ *     async.reflect(function(callback) {
+ *         // do some more stuff ...
+ *         callback(null, 'two');
+ *     })
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     // values
+ *     // results[0].value = 'one'
+ *     // results[1].error = 'bad stuff happened'
+ *     // results[2].value = 'two'
+ * });
+ */
+function reflect(fn) {
+    var _fn = wrapAsync(fn);
+    return initialParams(function reflectOn(args, reflectCallback) {
+        args.push(function callback(error, cbArg) {
+            if (error) {
+                reflectCallback(null, { error: error });
+            } else {
+                var value;
+                if (arguments.length <= 2) {
+                    value = cbArg;
+                } else {
+                    value = slice(arguments, 1);
+                }
+                reflectCallback(null, { value: value });
+            }
+        });
+
+        return _fn.apply(this, args);
+    });
+}
+
+/**
+ * A helper function that wraps an array or an object of functions with `reflect`.
+ *
+ * @name reflectAll
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.reflect]{@link module:Utils.reflect}
+ * @category Util
+ * @param {Array|Object|Iterable} tasks - The collection of
+ * [async functions]{@link AsyncFunction} to wrap in `async.reflect`.
+ * @returns {Array} Returns an array of async functions, each wrapped in
+ * `async.reflect`
+ * @example
+ *
+ * let tasks = [
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     function(callback) {
+ *         // do some more stuff but error ...
+ *         callback(new Error('bad stuff happened'));
+ *     },
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'two');
+ *         }, 100);
+ *     }
+ * ];
+ *
+ * async.parallel(async.reflectAll(tasks),
+ * // optional callback
+ * function(err, results) {
+ *     // values
+ *     // results[0].value = 'one'
+ *     // results[1].error = Error('bad stuff happened')
+ *     // results[2].value = 'two'
+ * });
+ *
+ * // an example using an object instead of an array
+ * let tasks = {
+ *     one: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     two: function(callback) {
+ *         callback('two');
+ *     },
+ *     three: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'three');
+ *         }, 100);
+ *     }
+ * };
+ *
+ * async.parallel(async.reflectAll(tasks),
+ * // optional callback
+ * function(err, results) {
+ *     // values
+ *     // results.one.value = 'one'
+ *     // results.two.error = 'two'
+ *     // results.three.value = 'three'
+ * });
+ */
+function reflectAll(tasks) {
+    var results;
+    if (isArray(tasks)) {
+        results = arrayMap(tasks, reflect);
+    } else {
+        results = {};
+        baseForOwn(tasks, function(task, key) {
+            results[key] = reflect.call(this, task);
+        });
+    }
+    return results;
+}
+
+function reject$1(eachfn, arr, iteratee, callback) {
+    _filter(eachfn, arr, function(value, cb) {
+        iteratee(value, function(err, v) {
+            cb(err, !v);
+        });
+    }, callback);
+}
+
+/**
+ * The opposite of [`filter`]{@link module:Collections.filter}. Removes values that pass an `async` truth test.
+ *
+ * @name reject
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - An async truth test to apply to each item in
+ * `coll`.
+ * The should complete with a boolean value as its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @example
+ *
+ * async.reject(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, results) {
+ *     // results now equals an array of missing files
+ *     createFiles(results);
+ * });
+ */
+var reject = doParallel(reject$1);
+
+/**
+ * The same as [`reject`]{@link module:Collections.reject} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name rejectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reject]{@link module:Collections.reject}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} iteratee - An async truth test to apply to each item in
+ * `coll`.
+ * The should complete with a boolean value as its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+var rejectLimit = doParallelLimit(reject$1);
+
+/**
+ * The same as [`reject`]{@link module:Collections.reject} but runs only a single async operation at a time.
+ *
+ * @name rejectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reject]{@link module:Collections.reject}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - An async truth test to apply to each item in
+ * `coll`.
+ * The should complete with a boolean value as its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+var rejectSeries = doLimit(rejectLimit, 1);
+
+/**
+ * Creates a function that returns `value`.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Util
+ * @param {*} value The value to return from the new function.
+ * @returns {Function} Returns the new constant function.
+ * @example
+ *
+ * var objects = _.times(2, _.constant({ 'a': 1 }));
+ *
+ * console.log(objects);
+ * // => [{ 'a': 1 }, { 'a': 1 }]
+ *
+ * console.log(objects[0] === objects[1]);
+ * // => true
+ */
+function constant$1(value) {
+  return function() {
+    return value;
+  };
+}
+
+/**
+ * Attempts to get a successful response from `task` no more than `times` times
+ * before returning an error. If the task is successful, the `callback` will be
+ * passed the result of the successful task. If all attempts fail, the callback
+ * will be passed the error and result (if any) of the final attempt.
+ *
+ * @name retry
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @see [async.retryable]{@link module:ControlFlow.retryable}
+ * @param {Object|number} [opts = {times: 5, interval: 0}| 5] - Can be either an
+ * object with `times` and `interval` or a number.
+ * * `times` - The number of attempts to make before giving up.  The default
+ *   is `5`.
+ * * `interval` - The time to wait between retries, in milliseconds.  The
+ *   default is `0`. The interval may also be specified as a function of the
+ *   retry count (see example).
+ * * `errorFilter` - An optional synchronous function that is invoked on
+ *   erroneous result. If it returns `true` the retry attempts will continue;
+ *   if the function returns `false` the retry flow is aborted with the current
+ *   attempt's error and result being returned to the final callback.
+ *   Invoked with (err).
+ * * If `opts` is a number, the number specifies the number of times to retry,
+ *   with the default interval of `0`.
+ * @param {AsyncFunction} task - An async function to retry.
+ * Invoked with (callback).
+ * @param {Function} [callback] - An optional callback which is called when the
+ * task has succeeded, or after the final failed attempt. It receives the `err`
+ * and `result` arguments of the last attempt at completing the `task`. Invoked
+ * with (err, results).
+ *
+ * @example
+ *
+ * // The `retry` function can be used as a stand-alone control flow by passing
+ * // a callback, as shown below:
+ *
+ * // try calling apiMethod 3 times
+ * async.retry(3, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod 3 times, waiting 200 ms between each retry
+ * async.retry({times: 3, interval: 200}, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod 10 times with exponential backoff
+ * // (i.e. intervals of 100, 200, 400, 800, 1600, ... milliseconds)
+ * async.retry({
+ *   times: 10,
+ *   interval: function(retryCount) {
+ *     return 50 * Math.pow(2, retryCount);
+ *   }
+ * }, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod the default 5 times no delay between each retry
+ * async.retry(apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod only when error condition satisfies, all other
+ * // errors will abort the retry control flow and return to final callback
+ * async.retry({
+ *   errorFilter: function(err) {
+ *     return err.message === 'Temporary error'; // only retry on a specific error
+ *   }
+ * }, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // to retry individual methods that are not as reliable within other
+ * // control flow functions, use the `retryable` wrapper:
+ * async.auto({
+ *     users: api.getUsers.bind(api),
+ *     payments: async.retryable(3, api.getPayments.bind(api))
+ * }, function(err, results) {
+ *     // do something with the results
+ * });
+ *
+ */
+function retry(opts, task, callback) {
+    var DEFAULT_TIMES = 5;
+    var DEFAULT_INTERVAL = 0;
+
+    var options = {
+        times: DEFAULT_TIMES,
+        intervalFunc: constant$1(DEFAULT_INTERVAL)
+    };
+
+    function parseTimes(acc, t) {
+        if (typeof t === 'object') {
+            acc.times = +t.times || DEFAULT_TIMES;
+
+            acc.intervalFunc = typeof t.interval === 'function' ?
+                t.interval :
+                constant$1(+t.interval || DEFAULT_INTERVAL);
+
+            acc.errorFilter = t.errorFilter;
+        } else if (typeof t === 'number' || typeof t === 'string') {
+            acc.times = +t || DEFAULT_TIMES;
+        } else {
+            throw new Error("Invalid arguments for async.retry");
+        }
+    }
+
+    if (arguments.length < 3 && typeof opts === 'function') {
+        callback = task || noop;
+        task = opts;
+    } else {
+        parseTimes(options, opts);
+        callback = callback || noop;
+    }
+
+    if (typeof task !== 'function') {
+        throw new Error("Invalid arguments for async.retry");
+    }
+
+    var _task = wrapAsync(task);
+
+    var attempt = 1;
+    function retryAttempt() {
+        _task(function(err) {
+            if (err && attempt++ < options.times &&
+                (typeof options.errorFilter != 'function' ||
+                    options.errorFilter(err))) {
+                setTimeout(retryAttempt, options.intervalFunc(attempt));
+            } else {
+                callback.apply(null, arguments);
+            }
+        });
+    }
+
+    retryAttempt();
+}
+
+/**
+ * A close relative of [`retry`]{@link module:ControlFlow.retry}.  This method
+ * wraps a task and makes it retryable, rather than immediately calling it
+ * with retries.
+ *
+ * @name retryable
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.retry]{@link module:ControlFlow.retry}
+ * @category Control Flow
+ * @param {Object|number} [opts = {times: 5, interval: 0}| 5] - optional
+ * options, exactly the same as from `retry`
+ * @param {AsyncFunction} task - the asynchronous function to wrap.
+ * This function will be passed any arguments passed to the returned wrapper.
+ * Invoked with (...args, callback).
+ * @returns {AsyncFunction} The wrapped function, which when invoked, will
+ * retry on an error, based on the parameters specified in `opts`.
+ * This function will accept the same parameters as `task`.
+ * @example
+ *
+ * async.auto({
+ *     dep1: async.retryable(3, getFromFlakyService),
+ *     process: ["dep1", async.retryable(3, function (results, cb) {
+ *         maybeProcessData(results.dep1, cb);
+ *     })]
+ * }, callback);
+ */
+var retryable = function (opts, task) {
+    if (!task) {
+        task = opts;
+        opts = null;
+    }
+    var _task = wrapAsync(task);
+    return initialParams(function (args, callback) {
+        function taskFn(cb) {
+            _task.apply(null, args.concat(cb));
+        }
+
+        if (opts) retry(opts, taskFn, callback);
+        else retry(taskFn, callback);
+
+    });
+};
+
+/**
+ * Run the functions in the `tasks` collection in series, each one running once
+ * the previous function has completed. If any functions in the series pass an
+ * error to its callback, no more functions are run, and `callback` is
+ * immediately called with the value of the error. Otherwise, `callback`
+ * receives an array of results when `tasks` have completed.
+ *
+ * It is also possible to use an object instead of an array. Each property will
+ * be run as a function, and the results will be passed to the final `callback`
+ * as an object instead of an array. This can be a more readable way of handling
+ *  results from {@link async.series}.
+ *
+ * **Note** that while many implementations preserve the order of object
+ * properties, the [ECMAScript Language Specification](http://www.ecma-international.org/ecma-262/5.1/#sec-8.6)
+ * explicitly states that
+ *
+ * > The mechanics and order of enumerating the properties is not specified.
+ *
+ * So if you rely on the order in which your series of functions are executed,
+ * and want this to work on all platforms, consider using an array.
+ *
+ * @name series
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection containing
+ * [async functions]{@link AsyncFunction} to run in series.
+ * Each function can complete with any number of optional `result` values.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed. This function gets a results array (or object)
+ * containing all the result arguments passed to the `task` callbacks. Invoked
+ * with (err, result).
+ * @example
+ * async.series([
+ *     function(callback) {
+ *         // do some stuff ...
+ *         callback(null, 'one');
+ *     },
+ *     function(callback) {
+ *         // do some more stuff ...
+ *         callback(null, 'two');
+ *     }
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     // results is now equal to ['one', 'two']
+ * });
+ *
+ * async.series({
+ *     one: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 1);
+ *         }, 200);
+ *     },
+ *     two: function(callback){
+ *         setTimeout(function() {
+ *             callback(null, 2);
+ *         }, 100);
+ *     }
+ * }, function(err, results) {
+ *     // results is now equal to: {one: 1, two: 2}
+ * });
+ */
+function series(tasks, callback) {
+    _parallel(eachOfSeries, tasks, callback);
+}
+
+/**
+ * Returns `true` if at least one element in the `coll` satisfies an async test.
+ * If any iteratee call returns `true`, the main `callback` is immediately
+ * called.
+ *
+ * @name some
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias any
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ * @example
+ *
+ * async.some(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // if result is true then at least one of the files exists
+ * });
+ */
+var some = doParallel(_createTester(Boolean, identity));
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name someLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anyLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ */
+var someLimit = doParallelLimit(_createTester(Boolean, identity));
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs only a single async operation at a time.
+ *
+ * @name someSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anySeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in series.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ */
+var someSeries = doLimit(someLimit, 1);
+
+/**
+ * Sorts a list by the results of running each `coll` value through an async
+ * `iteratee`.
+ *
+ * @name sortBy
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a value to use as the sort criteria as
+ * its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} callback - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is the items
+ * from the original `coll` sorted by the values returned by the `iteratee`
+ * calls. Invoked with (err, results).
+ * @example
+ *
+ * async.sortBy(['file1','file2','file3'], function(file, callback) {
+ *     fs.stat(file, function(err, stats) {
+ *         callback(err, stats.mtime);
+ *     });
+ * }, function(err, results) {
+ *     // results is now the original array of files sorted by
+ *     // modified date
+ * });
+ *
+ * // By modifying the callback parameter the
+ * // sorting order can be influenced:
+ *
+ * // ascending order
+ * async.sortBy([1,9,3,5], function(x, callback) {
+ *     callback(null, x);
+ * }, function(err,result) {
+ *     // result callback
+ * });
+ *
+ * // descending order
+ * async.sortBy([1,9,3,5], function(x, callback) {
+ *     callback(null, x*-1);    //<- x*-1 instead of x, turns the order around
+ * }, function(err,result) {
+ *     // result callback
+ * });
+ */
+function sortBy (coll, iteratee, callback) {
+    var _iteratee = wrapAsync(iteratee);
+    map(coll, function (x, callback) {
+        _iteratee(x, function (err, criteria) {
+            if (err) return callback(err);
+            callback(null, {value: x, criteria: criteria});
+        });
+    }, function (err, results) {
+        if (err) return callback(err);
+        callback(null, arrayMap(results.sort(comparator), baseProperty('value')));
+    });
+
+    function comparator(left, right) {
+        var a = left.criteria, b = right.criteria;
+        return a < b ? -1 : a > b ? 1 : 0;
+    }
+}
+
+/**
+ * Sets a time limit on an asynchronous function. If the function does not call
+ * its callback within the specified milliseconds, it will be called with a
+ * timeout error. The code property for the error object will be `'ETIMEDOUT'`.
+ *
+ * @name timeout
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} asyncFn - The async function to limit in time.
+ * @param {number} milliseconds - The specified time limit.
+ * @param {*} [info] - Any variable you want attached (`string`, `object`, etc)
+ * to timeout Error for more information..
+ * @returns {AsyncFunction} Returns a wrapped function that can be used with any
+ * of the control flow functions.
+ * Invoke this function with the same parameters as you would `asyncFunc`.
+ * @example
+ *
+ * function myFunction(foo, callback) {
+ *     doAsyncTask(foo, function(err, data) {
+ *         // handle errors
+ *         if (err) return callback(err);
+ *
+ *         // do some stuff ...
+ *
+ *         // return processed data
+ *         return callback(null, data);
+ *     });
+ * }
+ *
+ * var wrapped = async.timeout(myFunction, 1000);
+ *
+ * // call `wrapped` as you would `myFunction`
+ * wrapped({ bar: 'bar' }, function(err, data) {
+ *     // if `myFunction` takes < 1000 ms to execute, `err`
+ *     // and `data` will have their expected values
+ *
+ *     // else `err` will be an Error with the code 'ETIMEDOUT'
+ * });
+ */
+function timeout(asyncFn, milliseconds, info) {
+    var fn = wrapAsync(asyncFn);
+
+    return initialParams(function (args, callback) {
+        var timedOut = false;
+        var timer;
+
+        function timeoutCallback() {
+            var name = asyncFn.name || 'anonymous';
+            var error  = new Error('Callback function "' + name + '" timed out.');
+            error.code = 'ETIMEDOUT';
+            if (info) {
+                error.info = info;
+            }
+            timedOut = true;
+            callback(error);
+        }
+
+        args.push(function () {
+            if (!timedOut) {
+                callback.apply(null, arguments);
+                clearTimeout(timer);
+            }
+        });
+
+        // setup timer and call original function
+        timer = setTimeout(timeoutCallback, milliseconds);
+        fn.apply(null, args);
+    });
+}
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil;
+var nativeMax = Math.max;
+
+/**
+ * The base implementation of `_.range` and `_.rangeRight` which doesn't
+ * coerce arguments.
+ *
+ * @private
+ * @param {number} start The start of the range.
+ * @param {number} end The end of the range.
+ * @param {number} step The value to increment or decrement by.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Array} Returns the range of numbers.
+ */
+function baseRange(start, end, step, fromRight) {
+  var index = -1,
+      length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
+      result = Array(length);
+
+  while (length--) {
+    result[fromRight ? length : ++index] = start;
+    start += step;
+  }
+  return result;
+}
+
+/**
+ * The same as [times]{@link module:ControlFlow.times} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name timesLimit
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.times]{@link module:ControlFlow.times}
+ * @category Control Flow
+ * @param {number} count - The number of times to run the function.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see [async.map]{@link module:Collections.map}.
+ */
+function timeLimit(count, limit, iteratee, callback) {
+    var _iteratee = wrapAsync(iteratee);
+    mapLimit(baseRange(0, count, 1), limit, _iteratee, callback);
+}
+
+/**
+ * Calls the `iteratee` function `n` times, and accumulates results in the same
+ * manner you would use with [map]{@link module:Collections.map}.
+ *
+ * @name times
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.map]{@link module:Collections.map}
+ * @category Control Flow
+ * @param {number} n - The number of times to run the function.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see {@link module:Collections.map}.
+ * @example
+ *
+ * // Pretend this is some complicated async factory
+ * var createUser = function(id, callback) {
+ *     callback(null, {
+ *         id: 'user' + id
+ *     });
+ * };
+ *
+ * // generate 5 users
+ * async.times(5, function(n, next) {
+ *     createUser(n, function(err, user) {
+ *         next(err, user);
+ *     });
+ * }, function(err, users) {
+ *     // we should now have 5 users
+ * });
+ */
+var times = doLimit(timeLimit, Infinity);
+
+/**
+ * The same as [times]{@link module:ControlFlow.times} but runs only a single async operation at a time.
+ *
+ * @name timesSeries
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.times]{@link module:ControlFlow.times}
+ * @category Control Flow
+ * @param {number} n - The number of times to run the function.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see {@link module:Collections.map}.
+ */
+var timesSeries = doLimit(timeLimit, 1);
+
+/**
+ * A relative of `reduce`.  Takes an Object or Array, and iterates over each
+ * element in series, each step potentially mutating an `accumulator` value.
+ * The type of the accumulator defaults to the type of collection passed in.
+ *
+ * @name transform
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {*} [accumulator] - The initial state of the transform.  If omitted,
+ * it will default to an empty Object or Array, depending on the type of `coll`
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * collection that potentially modifies the accumulator.
+ * Invoked with (accumulator, item, key, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the transformed accumulator.
+ * Invoked with (err, result).
+ * @example
+ *
+ * async.transform([1,2,3], function(acc, item, index, callback) {
+ *     // pointless async:
+ *     process.nextTick(function() {
+ *         acc.push(item * 2)
+ *         callback(null)
+ *     });
+ * }, function(err, result) {
+ *     // result is now equal to [2, 4, 6]
+ * });
+ *
+ * @example
+ *
+ * async.transform({a: 1, b: 2, c: 3}, function (obj, val, key, callback) {
+ *     setImmediate(function () {
+ *         obj[key] = val * 2;
+ *         callback();
+ *     })
+ * }, function (err, result) {
+ *     // result is equal to {a: 2, b: 4, c: 6}
+ * })
+ */
+function transform (coll, accumulator, iteratee, callback) {
+    if (arguments.length <= 3) {
+        callback = iteratee;
+        iteratee = accumulator;
+        accumulator = isArray(coll) ? [] : {};
+    }
+    callback = once(callback || noop);
+    var _iteratee = wrapAsync(iteratee);
+
+    eachOf(coll, function(v, k, cb) {
+        _iteratee(accumulator, v, k, cb);
+    }, function(err) {
+        callback(err, accumulator);
+    });
+}
+
+/**
+ * It runs each task in series but stops whenever any of the functions were
+ * successful. If one of the tasks were successful, the `callback` will be
+ * passed the result of the successful task. If all tasks fail, the callback
+ * will be passed the error and result (if any) of the final attempt.
+ *
+ * @name tryEach
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection containing functions to
+ * run, each function is passed a `callback(err, result)` it must call on
+ * completion with an error `err` (which can be `null`) and an optional `result`
+ * value.
+ * @param {Function} [callback] - An optional callback which is called when one
+ * of the tasks has succeeded, or all have failed. It receives the `err` and
+ * `result` arguments of the last attempt at completing the `task`. Invoked with
+ * (err, results).
+ * @example
+ * async.tryEach([
+ *     function getDataFromFirstWebsite(callback) {
+ *         // Try getting the data from the first website
+ *         callback(err, data);
+ *     },
+ *     function getDataFromSecondWebsite(callback) {
+ *         // First website failed,
+ *         // Try getting the data from the backup website
+ *         callback(err, data);
+ *     }
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     Now do something with the data.
+ * });
+ *
+ */
+function tryEach(tasks, callback) {
+    var error = null;
+    var result;
+    callback = callback || noop;
+    eachSeries(tasks, function(task, callback) {
+        wrapAsync(task)(function (err, res/*, ...args*/) {
+            if (arguments.length > 2) {
+                result = slice(arguments, 1);
+            } else {
+                result = res;
+            }
+            error = err;
+            callback(!err);
+        });
+    }, function () {
+        callback(error, result);
+    });
+}
+
+/**
+ * Undoes a [memoize]{@link module:Utils.memoize}d function, reverting it to the original,
+ * unmemoized form. Handy for testing.
+ *
+ * @name unmemoize
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.memoize]{@link module:Utils.memoize}
+ * @category Util
+ * @param {AsyncFunction} fn - the memoized function
+ * @returns {AsyncFunction} a function that calls the original unmemoized function
+ */
+function unmemoize(fn) {
+    return function () {
+        return (fn.unmemoized || fn).apply(null, arguments);
+    };
+}
+
+/**
+ * Repeatedly call `iteratee`, while `test` returns `true`. Calls `callback` when
+ * stopped, or an error occurs.
+ *
+ * @name whilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Function} test - synchronous truth test to perform before each
+ * execution of `iteratee`. Invoked with ().
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ * @returns undefined
+ * @example
+ *
+ * var count = 0;
+ * async.whilst(
+ *     function() { return count < 5; },
+ *     function(callback) {
+ *         count++;
+ *         setTimeout(function() {
+ *             callback(null, count);
+ *         }, 1000);
+ *     },
+ *     function (err, n) {
+ *         // 5 seconds have passed, n = 5
+ *     }
+ * );
+ */
+function whilst(test, iteratee, callback) {
+    callback = onlyOnce(callback || noop);
+    var _iteratee = wrapAsync(iteratee);
+    if (!test()) return callback(null);
+    var next = function(err/*, ...args*/) {
+        if (err) return callback(err);
+        if (test()) return _iteratee(next);
+        var args = slice(arguments, 1);
+        callback.apply(null, [null].concat(args));
+    };
+    _iteratee(next);
+}
+
+/**
+ * Repeatedly call `iteratee` until `test` returns `true`. Calls `callback` when
+ * stopped, or an error occurs. `callback` will be passed an error and any
+ * arguments passed to the final `iteratee`'s callback.
+ *
+ * The inverse of [whilst]{@link module:ControlFlow.whilst}.
+ *
+ * @name until
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {Function} test - synchronous truth test to perform before each
+ * execution of `iteratee`. Invoked with ().
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` fails. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has passed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ */
+function until(test, iteratee, callback) {
+    whilst(function() {
+        return !test.apply(this, arguments);
+    }, iteratee, callback);
+}
+
+/**
+ * Runs the `tasks` array of functions in series, each passing their results to
+ * the next in the array. However, if any of the `tasks` pass an error to their
+ * own callback, the next function is not executed, and the main `callback` is
+ * immediately called with the error.
+ *
+ * @name waterfall
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array} tasks - An array of [async functions]{@link AsyncFunction}
+ * to run.
+ * Each function should complete with any number of `result` values.
+ * The `result` values will be passed as arguments, in order, to the next task.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed. This will be passed the results of the last task's
+ * callback. Invoked with (err, [results]).
+ * @returns undefined
+ * @example
+ *
+ * async.waterfall([
+ *     function(callback) {
+ *         callback(null, 'one', 'two');
+ *     },
+ *     function(arg1, arg2, callback) {
+ *         // arg1 now equals 'one' and arg2 now equals 'two'
+ *         callback(null, 'three');
+ *     },
+ *     function(arg1, callback) {
+ *         // arg1 now equals 'three'
+ *         callback(null, 'done');
+ *     }
+ * ], function (err, result) {
+ *     // result now equals 'done'
+ * });
+ *
+ * // Or, with named functions:
+ * async.waterfall([
+ *     myFirstFunction,
+ *     mySecondFunction,
+ *     myLastFunction,
+ * ], function (err, result) {
+ *     // result now equals 'done'
+ * });
+ * function myFirstFunction(callback) {
+ *     callback(null, 'one', 'two');
+ * }
+ * function mySecondFunction(arg1, arg2, callback) {
+ *     // arg1 now equals 'one' and arg2 now equals 'two'
+ *     callback(null, 'three');
+ * }
+ * function myLastFunction(arg1, callback) {
+ *     // arg1 now equals 'three'
+ *     callback(null, 'done');
+ * }
+ */
+var waterfall = function(tasks, callback) {
+    callback = once(callback || noop);
+    if (!isArray(tasks)) return callback(new Error('First argument to waterfall must be an array of functions'));
+    if (!tasks.length) return callback();
+    var taskIndex = 0;
+
+    function nextTask(args) {
+        var task = wrapAsync(tasks[taskIndex++]);
+        args.push(onlyOnce(next));
+        task.apply(null, args);
+    }
+
+    function next(err/*, ...args*/) {
+        if (err || taskIndex === tasks.length) {
+            return callback.apply(null, arguments);
+        }
+        nextTask(slice(arguments, 1));
+    }
+
+    nextTask([]);
+};
+
+/**
+ * An "async function" in the context of Async is an asynchronous function with
+ * a variable number of parameters, with the final parameter being a callback.
+ * (`function (arg1, arg2, ..., callback) {}`)
+ * The final callback is of the form `callback(err, results...)`, which must be
+ * called once the function is completed.  The callback should be called with a
+ * Error as its first argument to signal that an error occurred.
+ * Otherwise, if no error occurred, it should be called with `null` as the first
+ * argument, and any additional `result` arguments that may apply, to signal
+ * successful completion.
+ * The callback must be called exactly once, ideally on a later tick of the
+ * JavaScript event loop.
+ *
+ * This type of function is also referred to as a "Node-style async function",
+ * or a "continuation passing-style function" (CPS). Most of the methods of this
+ * library are themselves CPS/Node-style async functions, or functions that
+ * return CPS/Node-style async functions.
+ *
+ * Wherever we accept a Node-style async function, we also directly accept an
+ * [ES2017 `async` function]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function}.
+ * In this case, the `async` function will not be passed a final callback
+ * argument, and any thrown error will be used as the `err` argument of the
+ * implicit callback, and the return value will be used as the `result` value.
+ * (i.e. a `rejected` of the returned Promise becomes the `err` callback
+ * argument, and a `resolved` value becomes the `result`.)
+ *
+ * Note, due to JavaScript limitations, we can only detect native `async`
+ * functions and not transpilied implementations.
+ * Your environment must have `async`/`await` support for this to work.
+ * (e.g. Node > v7.6, or a recent version of a modern browser).
+ * If you are using `async` functions through a transpiler (e.g. Babel), you
+ * must still wrap the function with [asyncify]{@link module:Utils.asyncify},
+ * because the `async function` will be compiled to an ordinary function that
+ * returns a promise.
+ *
+ * @typedef {Function} AsyncFunction
+ * @static
+ */
+
+/**
+ * Async is a utility module which provides straight-forward, powerful functions
+ * for working with asynchronous JavaScript. Although originally designed for
+ * use with [Node.js](http://nodejs.org) and installable via
+ * `npm install --save async`, it can also be used directly in the browser.
+ * @module async
+ * @see AsyncFunction
+ */
+
+
+/**
+ * A collection of `async` functions for manipulating collections, such as
+ * arrays and objects.
+ * @module Collections
+ */
+
+/**
+ * A collection of `async` functions for controlling the flow through a script.
+ * @module ControlFlow
+ */
+
+/**
+ * A collection of `async` utility functions.
+ * @module Utils
+ */
+
+var index = {
+    apply: apply,
+    applyEach: applyEach,
+    applyEachSeries: applyEachSeries,
+    asyncify: asyncify,
+    auto: auto,
+    autoInject: autoInject,
+    cargo: cargo,
+    compose: compose,
+    concat: concat,
+    concatLimit: concatLimit,
+    concatSeries: concatSeries,
+    constant: constant,
+    detect: detect,
+    detectLimit: detectLimit,
+    detectSeries: detectSeries,
+    dir: dir,
+    doDuring: doDuring,
+    doUntil: doUntil,
+    doWhilst: doWhilst,
+    during: during,
+    each: eachLimit,
+    eachLimit: eachLimit$1,
+    eachOf: eachOf,
+    eachOfLimit: eachOfLimit,
+    eachOfSeries: eachOfSeries,
+    eachSeries: eachSeries,
+    ensureAsync: ensureAsync,
+    every: every,
+    everyLimit: everyLimit,
+    everySeries: everySeries,
+    filter: filter,
+    filterLimit: filterLimit,
+    filterSeries: filterSeries,
+    forever: forever,
+    groupBy: groupBy,
+    groupByLimit: groupByLimit,
+    groupBySeries: groupBySeries,
+    log: log,
+    map: map,
+    mapLimit: mapLimit,
+    mapSeries: mapSeries,
+    mapValues: mapValues,
+    mapValuesLimit: mapValuesLimit,
+    mapValuesSeries: mapValuesSeries,
+    memoize: memoize,
+    nextTick: nextTick,
+    parallel: parallelLimit,
+    parallelLimit: parallelLimit$1,
+    priorityQueue: priorityQueue,
+    queue: queue$1,
+    race: race,
+    reduce: reduce,
+    reduceRight: reduceRight,
+    reflect: reflect,
+    reflectAll: reflectAll,
+    reject: reject,
+    rejectLimit: rejectLimit,
+    rejectSeries: rejectSeries,
+    retry: retry,
+    retryable: retryable,
+    seq: seq,
+    series: series,
+    setImmediate: setImmediate$1,
+    some: some,
+    someLimit: someLimit,
+    someSeries: someSeries,
+    sortBy: sortBy,
+    timeout: timeout,
+    times: times,
+    timesLimit: timeLimit,
+    timesSeries: timesSeries,
+    transform: transform,
+    tryEach: tryEach,
+    unmemoize: unmemoize,
+    until: until,
+    waterfall: waterfall,
+    whilst: whilst,
+
+    // aliases
+    all: every,
+    allLimit: everyLimit,
+    allSeries: everySeries,
+    any: some,
+    anyLimit: someLimit,
+    anySeries: someSeries,
+    find: detect,
+    findLimit: detectLimit,
+    findSeries: detectSeries,
+    forEach: eachLimit,
+    forEachSeries: eachSeries,
+    forEachLimit: eachLimit$1,
+    forEachOf: eachOf,
+    forEachOfSeries: eachOfSeries,
+    forEachOfLimit: eachOfLimit,
+    inject: reduce,
+    foldl: reduce,
+    foldr: reduceRight,
+    select: filter,
+    selectLimit: filterLimit,
+    selectSeries: filterSeries,
+    wrapSync: asyncify
+};
+
+exports['default'] = index;
+exports.apply = apply;
+exports.applyEach = applyEach;
+exports.applyEachSeries = applyEachSeries;
+exports.asyncify = asyncify;
+exports.auto = auto;
+exports.autoInject = autoInject;
+exports.cargo = cargo;
+exports.compose = compose;
+exports.concat = concat;
+exports.concatLimit = concatLimit;
+exports.concatSeries = concatSeries;
+exports.constant = constant;
+exports.detect = detect;
+exports.detectLimit = detectLimit;
+exports.detectSeries = detectSeries;
+exports.dir = dir;
+exports.doDuring = doDuring;
+exports.doUntil = doUntil;
+exports.doWhilst = doWhilst;
+exports.during = during;
+exports.each = eachLimit;
+exports.eachLimit = eachLimit$1;
+exports.eachOf = eachOf;
+exports.eachOfLimit = eachOfLimit;
+exports.eachOfSeries = eachOfSeries;
+exports.eachSeries = eachSeries;
+exports.ensureAsync = ensureAsync;
+exports.every = every;
+exports.everyLimit = everyLimit;
+exports.everySeries = everySeries;
+exports.filter = filter;
+exports.filterLimit = filterLimit;
+exports.filterSeries = filterSeries;
+exports.forever = forever;
+exports.groupBy = groupBy;
+exports.groupByLimit = groupByLimit;
+exports.groupBySeries = groupBySeries;
+exports.log = log;
+exports.map = map;
+exports.mapLimit = mapLimit;
+exports.mapSeries = mapSeries;
+exports.mapValues = mapValues;
+exports.mapValuesLimit = mapValuesLimit;
+exports.mapValuesSeries = mapValuesSeries;
+exports.memoize = memoize;
+exports.nextTick = nextTick;
+exports.parallel = parallelLimit;
+exports.parallelLimit = parallelLimit$1;
+exports.priorityQueue = priorityQueue;
+exports.queue = queue$1;
+exports.race = race;
+exports.reduce = reduce;
+exports.reduceRight = reduceRight;
+exports.reflect = reflect;
+exports.reflectAll = reflectAll;
+exports.reject = reject;
+exports.rejectLimit = rejectLimit;
+exports.rejectSeries = rejectSeries;
+exports.retry = retry;
+exports.retryable = retryable;
+exports.seq = seq;
+exports.series = series;
+exports.setImmediate = setImmediate$1;
+exports.some = some;
+exports.someLimit = someLimit;
+exports.someSeries = someSeries;
+exports.sortBy = sortBy;
+exports.timeout = timeout;
+exports.times = times;
+exports.timesLimit = timeLimit;
+exports.timesSeries = timesSeries;
+exports.transform = transform;
+exports.tryEach = tryEach;
+exports.unmemoize = unmemoize;
+exports.until = until;
+exports.waterfall = waterfall;
+exports.whilst = whilst;
+exports.all = every;
+exports.allLimit = everyLimit;
+exports.allSeries = everySeries;
+exports.any = some;
+exports.anyLimit = someLimit;
+exports.anySeries = someSeries;
+exports.find = detect;
+exports.findLimit = detectLimit;
+exports.findSeries = detectSeries;
+exports.forEach = eachLimit;
+exports.forEachSeries = eachSeries;
+exports.forEachLimit = eachLimit$1;
+exports.forEachOf = eachOf;
+exports.forEachOfSeries = eachOfSeries;
+exports.forEachOfLimit = eachOfLimit;
+exports.inject = reduce;
+exports.foldl = reduce;
+exports.foldr = reduceRight;
+exports.select = filter;
+exports.selectLimit = filterLimit;
+exports.selectSeries = filterSeries;
+exports.wrapSync = asyncify;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
diff --git a/web/public/node_modules/async/dist/async.min.js b/web/public/node_modules/async/dist/async.min.js
new file mode 100644
index 000000000..0b9e11339
--- /dev/null
+++ b/web/public/node_modules/async/dist/async.min.js
@@ -0,0 +1,2 @@
+!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(n.async=n.async||{})}(this,function(n){"use strict";function t(n,t){t|=0;for(var e=Math.max(n.length-t,0),r=Array(e),u=0;u<e;u++)r[u]=n[t+u];return r}function e(n){var t=typeof n;return null!=n&&("object"==t||"function"==t)}function r(n){setTimeout(n,0)}function u(n){return function(e){var r=t(arguments,1);n(function(){e.apply(null,r)})}}function i(n){return ct(function(t,r){var u;try{u=n.apply(this,t)}catch(n){return r(n)}e(u)&&"function"==typeof u.then?u.then(function(n){o(r,null,n)},function(n){o(r,n.message?n:new Error(n))}):r(null,u)})}function o(n,t,e){try{n(t,e)}catch(n){lt(c,n)}}function c(n){throw n}function f(n){return st&&"AsyncFunction"===n[Symbol.toStringTag]}function a(n){return f(n)?i(n):n}function l(n){return function(e){var r=t(arguments,1),u=ct(function(t,r){var u=this;return 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\ No newline at end of file
diff --git a/web/public/node_modules/async/doDuring.js b/web/public/node_modules/async/doDuring.js
new file mode 100644
index 000000000..6812990b0
--- /dev/null
+++ b/web/public/node_modules/async/doDuring.js
@@ -0,0 +1,66 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doDuring;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The post-check version of [`during`]{@link module:ControlFlow.during}. To reflect the difference in
+ * the order of operations, the arguments `test` and `fn` are switched.
+ *
+ * Also a version of [`doWhilst`]{@link module:ControlFlow.doWhilst} with asynchronous `test` function.
+ * @name doDuring
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.during]{@link module:ControlFlow.during}
+ * @category Control Flow
+ * @param {AsyncFunction} fn - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {AsyncFunction} test - asynchronous truth test to perform before each
+ * execution of `fn`. Invoked with (...args, callback), where `...args` are the
+ * non-error args from the previous callback of `fn`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `fn` has stopped. `callback`
+ * will be passed an error if one occurred, otherwise `null`.
+ */
+function doDuring(fn, test, callback) {
+    callback = (0, _onlyOnce2.default)(callback || _noop2.default);
+    var _fn = (0, _wrapAsync2.default)(fn);
+    var _test = (0, _wrapAsync2.default)(test);
+
+    function next(err /*, ...args*/) {
+        if (err) return callback(err);
+        var args = (0, _slice2.default)(arguments, 1);
+        args.push(check);
+        _test.apply(this, args);
+    };
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (!truth) return callback(null);
+        _fn(next);
+    }
+
+    check(null, true);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/doUntil.js b/web/public/node_modules/async/doUntil.js
new file mode 100644
index 000000000..5a6a30f83
--- /dev/null
+++ b/web/public/node_modules/async/doUntil.js
@@ -0,0 +1,39 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doUntil;
+
+var _doWhilst = require('./doWhilst');
+
+var _doWhilst2 = _interopRequireDefault(_doWhilst);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Like ['doWhilst']{@link module:ControlFlow.doWhilst}, except the `test` is inverted. Note the
+ * argument ordering differs from `until`.
+ *
+ * @name doUntil
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.doWhilst]{@link module:ControlFlow.doWhilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` fails. Invoked with (callback).
+ * @param {Function} test - synchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with any non-error callback results of
+ * `iteratee`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has passed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ */
+function doUntil(iteratee, test, callback) {
+    (0, _doWhilst2.default)(iteratee, function () {
+        return !test.apply(this, arguments);
+    }, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/doWhilst.js b/web/public/node_modules/async/doWhilst.js
new file mode 100644
index 000000000..d93511314
--- /dev/null
+++ b/web/public/node_modules/async/doWhilst.js
@@ -0,0 +1,59 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doWhilst;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The post-check version of [`whilst`]{@link module:ControlFlow.whilst}. To reflect the difference in
+ * the order of operations, the arguments `test` and `iteratee` are switched.
+ *
+ * `doWhilst` is to `whilst` as `do while` is to `while` in plain JavaScript.
+ *
+ * @name doWhilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - A function which is called each time `test`
+ * passes. Invoked with (callback).
+ * @param {Function} test - synchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with any non-error callback results of
+ * `iteratee`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped.
+ * `callback` will be passed an error and any arguments passed to the final
+ * `iteratee`'s callback. Invoked with (err, [results]);
+ */
+function doWhilst(iteratee, test, callback) {
+    callback = (0, _onlyOnce2.default)(callback || _noop2.default);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    var next = function (err /*, ...args*/) {
+        if (err) return callback(err);
+        var args = (0, _slice2.default)(arguments, 1);
+        if (test.apply(this, args)) return _iteratee(next);
+        callback.apply(null, [null].concat(args));
+    };
+    _iteratee(next);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/during.js b/web/public/node_modules/async/during.js
new file mode 100644
index 000000000..fd7343783
--- /dev/null
+++ b/web/public/node_modules/async/during.js
@@ -0,0 +1,76 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = during;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Like [`whilst`]{@link module:ControlFlow.whilst}, except the `test` is an asynchronous function that
+ * is passed a callback in the form of `function (err, truth)`. If error is
+ * passed to `test` or `fn`, the main callback is immediately called with the
+ * value of the error.
+ *
+ * @name during
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {AsyncFunction} test - asynchronous truth test to perform before each
+ * execution of `fn`. Invoked with (callback).
+ * @param {AsyncFunction} fn - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `fn` has stopped. `callback`
+ * will be passed an error, if one occurred, otherwise `null`.
+ * @example
+ *
+ * var count = 0;
+ *
+ * async.during(
+ *     function (callback) {
+ *         return callback(null, count < 5);
+ *     },
+ *     function (callback) {
+ *         count++;
+ *         setTimeout(callback, 1000);
+ *     },
+ *     function (err) {
+ *         // 5 seconds have passed
+ *     }
+ * );
+ */
+function during(test, fn, callback) {
+    callback = (0, _onlyOnce2.default)(callback || _noop2.default);
+    var _fn = (0, _wrapAsync2.default)(fn);
+    var _test = (0, _wrapAsync2.default)(test);
+
+    function next(err) {
+        if (err) return callback(err);
+        _test(check);
+    }
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (!truth) return callback(null);
+        _fn(next);
+    }
+
+    _test(check);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/each.js b/web/public/node_modules/async/each.js
new file mode 100644
index 000000000..4b20af33d
--- /dev/null
+++ b/web/public/node_modules/async/each.js
@@ -0,0 +1,82 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachLimit;
+
+var _eachOf = require('./eachOf');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _withoutIndex = require('./internal/withoutIndex');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies the function `iteratee` to each item in `coll`, in parallel.
+ * The `iteratee` is called with an item from the list, and a callback for when
+ * it has finished. If the `iteratee` passes an error to its `callback`, the
+ * main `callback` (for the `each` function) is immediately called with the
+ * error.
+ *
+ * Note, that since this function applies `iteratee` to each item in parallel,
+ * there is no guarantee that the iteratee functions will complete in order.
+ *
+ * @name each
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEach
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to
+ * each item in `coll`. Invoked with (item, callback).
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOf`.
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @example
+ *
+ * // assuming openFiles is an array of file names and saveFile is a function
+ * // to save the modified contents of that file:
+ *
+ * async.each(openFiles, saveFile, function(err){
+ *   // if any of the saves produced an error, err would equal that error
+ * });
+ *
+ * // assuming openFiles is an array of file names
+ * async.each(openFiles, function(file, callback) {
+ *
+ *     // Perform operation on file here.
+ *     console.log('Processing file ' + file);
+ *
+ *     if( file.length > 32 ) {
+ *       console.log('This file name is too long');
+ *       callback('File name too long');
+ *     } else {
+ *       // Do work to process file here
+ *       console.log('File processed');
+ *       callback();
+ *     }
+ * }, function(err) {
+ *     // if any of the file processing produced an error, err would equal that error
+ *     if( err ) {
+ *       // One of the iterations produced an error.
+ *       // All processing will now stop.
+ *       console.log('A file failed to process');
+ *     } else {
+ *       console.log('All files have been processed successfully');
+ *     }
+ * });
+ */
+function eachLimit(coll, iteratee, callback) {
+  (0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/eachLimit.js b/web/public/node_modules/async/eachLimit.js
new file mode 100644
index 000000000..fff721bce
--- /dev/null
+++ b/web/public/node_modules/async/eachLimit.js
@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachLimit;
+
+var _eachOfLimit = require('./internal/eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _withoutIndex = require('./internal/withoutIndex');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name eachLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfLimit`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+function eachLimit(coll, limit, iteratee, callback) {
+  (0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/eachOf.js b/web/public/node_modules/async/eachOf.js
new file mode 100644
index 000000000..055b9bde1
--- /dev/null
+++ b/web/public/node_modules/async/eachOf.js
@@ -0,0 +1,111 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (coll, iteratee, callback) {
+    var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
+    eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
+};
+
+var _isArrayLike = require('lodash/isArrayLike');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _breakLoop = require('./internal/breakLoop');
+
+var _breakLoop2 = _interopRequireDefault(_breakLoop);
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// eachOf implementation optimized for array-likes
+function eachOfArrayLike(coll, iteratee, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var index = 0,
+        completed = 0,
+        length = coll.length;
+    if (length === 0) {
+        callback(null);
+    }
+
+    function iteratorCallback(err, value) {
+        if (err) {
+            callback(err);
+        } else if (++completed === length || value === _breakLoop2.default) {
+            callback(null);
+        }
+    }
+
+    for (; index < length; index++) {
+        iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
+    }
+}
+
+// a generic version of eachOf which can handle array, object, and iterator cases.
+var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity);
+
+/**
+ * Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
+ * to the iteratee.
+ *
+ * @name eachOf
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEachOf
+ * @category Collection
+ * @see [async.each]{@link module:Collections.each}
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each
+ * item in `coll`.
+ * The `key` is the item's key, or index in the case of an array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @example
+ *
+ * var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
+ * var configs = {};
+ *
+ * async.forEachOf(obj, function (value, key, callback) {
+ *     fs.readFile(__dirname + value, "utf8", function (err, data) {
+ *         if (err) return callback(err);
+ *         try {
+ *             configs[key] = JSON.parse(data);
+ *         } catch (e) {
+ *             return callback(e);
+ *         }
+ *         callback();
+ *     });
+ * }, function (err) {
+ *     if (err) console.error(err.message);
+ *     // configs is now a map of JSON data
+ *     doSomethingWith(configs);
+ * });
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/eachOfLimit.js b/web/public/node_modules/async/eachOfLimit.js
new file mode 100644
index 000000000..30a13299e
--- /dev/null
+++ b/web/public/node_modules/async/eachOfLimit.js
@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachOfLimit;
+
+var _eachOfLimit2 = require('./internal/eachOfLimit');
+
+var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name eachOfLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`. The `key` is the item's key, or index in the case of an
+ * array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+function eachOfLimit(coll, limit, iteratee, callback) {
+  (0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/eachOfSeries.js b/web/public/node_modules/async/eachOfSeries.js
new file mode 100644
index 000000000..9dfd71134
--- /dev/null
+++ b/web/public/node_modules/async/eachOfSeries.js
@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
+ *
+ * @name eachOfSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Invoked with (err).
+ */
+exports.default = (0, _doLimit2.default)(_eachOfLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/eachSeries.js b/web/public/node_modules/async/eachSeries.js
new file mode 100644
index 000000000..55c78405e
--- /dev/null
+++ b/web/public/node_modules/async/eachSeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _eachLimit = require('./eachLimit');
+
+var _eachLimit2 = _interopRequireDefault(_eachLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
+ *
+ * @name eachSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfSeries`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+exports.default = (0, _doLimit2.default)(_eachLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/ensureAsync.js b/web/public/node_modules/async/ensureAsync.js
new file mode 100644
index 000000000..1f57aecde
--- /dev/null
+++ b/web/public/node_modules/async/ensureAsync.js
@@ -0,0 +1,73 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = ensureAsync;
+
+var _setImmediate = require('./internal/setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Wrap an async function and ensure it calls its callback on a later tick of
+ * the event loop.  If the function already calls its callback on a next tick,
+ * no extra deferral is added. This is useful for preventing stack overflows
+ * (`RangeError: Maximum call stack size exceeded`) and generally keeping
+ * [Zalgo](http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony)
+ * contained. ES2017 `async` functions are returned as-is -- they are immune
+ * to Zalgo's corrupting influences, as they always resolve on a later tick.
+ *
+ * @name ensureAsync
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - an async function, one that expects a node-style
+ * callback as its last argument.
+ * @returns {AsyncFunction} Returns a wrapped function with the exact same call
+ * signature as the function passed in.
+ * @example
+ *
+ * function sometimesAsync(arg, callback) {
+ *     if (cache[arg]) {
+ *         return callback(null, cache[arg]); // this would be synchronous!!
+ *     } else {
+ *         doSomeIO(arg, callback); // this IO would be asynchronous
+ *     }
+ * }
+ *
+ * // this has a risk of stack overflows if many results are cached in a row
+ * async.mapSeries(args, sometimesAsync, done);
+ *
+ * // this will defer sometimesAsync's callback if necessary,
+ * // preventing stack overflows
+ * async.mapSeries(args, async.ensureAsync(sometimesAsync), done);
+ */
+function ensureAsync(fn) {
+    if ((0, _wrapAsync.isAsync)(fn)) return fn;
+    return (0, _initialParams2.default)(function (args, callback) {
+        var sync = true;
+        args.push(function () {
+            var innerArgs = arguments;
+            if (sync) {
+                (0, _setImmediate2.default)(function () {
+                    callback.apply(null, innerArgs);
+                });
+            } else {
+                callback.apply(null, innerArgs);
+            }
+        });
+        fn.apply(this, args);
+        sync = false;
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/every.js b/web/public/node_modules/async/every.js
new file mode 100644
index 000000000..d0565b045
--- /dev/null
+++ b/web/public/node_modules/async/every.js
@@ -0,0 +1,50 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _notId = require('./internal/notId');
+
+var _notId2 = _interopRequireDefault(_notId);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if every element in `coll` satisfies an async test. If any
+ * iteratee call returns `false`, the main `callback` is immediately called.
+ *
+ * @name every
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias all
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @example
+ *
+ * async.every(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // if result is true then every file exists
+ * });
+ */
+exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/everyLimit.js b/web/public/node_modules/async/everyLimit.js
new file mode 100644
index 000000000..a1a759a2b
--- /dev/null
+++ b/web/public/node_modules/async/everyLimit.js
@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _notId = require('./internal/notId');
+
+var _notId2 = _interopRequireDefault(_notId);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name everyLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ */
+exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/everySeries.js b/web/public/node_modules/async/everySeries.js
new file mode 100644
index 000000000..23bfebb59
--- /dev/null
+++ b/web/public/node_modules/async/everySeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _everyLimit = require('./everyLimit');
+
+var _everyLimit2 = _interopRequireDefault(_everyLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
+ *
+ * @name everySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in series.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_everyLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/filter.js b/web/public/node_modules/async/filter.js
new file mode 100644
index 000000000..54772d562
--- /dev/null
+++ b/web/public/node_modules/async/filter.js
@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _filter = require('./internal/filter');
+
+var _filter2 = _interopRequireDefault(_filter);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns a new array of all the values in `coll` which pass an async truth
+ * test. This operation is performed in parallel, but the results array will be
+ * in the same order as the original.
+ *
+ * @name filter
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias select
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @example
+ *
+ * async.filter(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, results) {
+ *     // results now equals an array of the existing files
+ * });
+ */
+exports.default = (0, _doParallel2.default)(_filter2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/filterLimit.js b/web/public/node_modules/async/filterLimit.js
new file mode 100644
index 000000000..06216f785
--- /dev/null
+++ b/web/public/node_modules/async/filterLimit.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _filter = require('./internal/filter');
+
+var _filter2 = _interopRequireDefault(_filter);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name filterLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+exports.default = (0, _doParallelLimit2.default)(_filter2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/filterSeries.js b/web/public/node_modules/async/filterSeries.js
new file mode 100644
index 000000000..e48d966cb
--- /dev/null
+++ b/web/public/node_modules/async/filterSeries.js
@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _filterLimit = require('./filterLimit');
+
+var _filterLimit2 = _interopRequireDefault(_filterLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs only a single async operation at a time.
+ *
+ * @name filterSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results)
+ */
+exports.default = (0, _doLimit2.default)(_filterLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/find.js b/web/public/node_modules/async/find.js
new file mode 100644
index 000000000..db4678358
--- /dev/null
+++ b/web/public/node_modules/async/find.js
@@ -0,0 +1,61 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _findGetResult = require('./internal/findGetResult');
+
+var _findGetResult2 = _interopRequireDefault(_findGetResult);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns the first value in `coll` that passes an async truth test. The
+ * `iteratee` is applied in parallel, meaning the first iteratee to return
+ * `true` will fire the detect `callback` with that result. That means the
+ * result might not be the first item in the original `coll` (in terms of order)
+ * that passes the test.
+
+ * If order within the original `coll` is important, then look at
+ * [`detectSeries`]{@link module:Collections.detectSeries}.
+ *
+ * @name detect
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias find
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.detect(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // result now equals the first file in the list that exists
+ * });
+ */
+exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/findLimit.js b/web/public/node_modules/async/findLimit.js
new file mode 100644
index 000000000..6bf656022
--- /dev/null
+++ b/web/public/node_modules/async/findLimit.js
@@ -0,0 +1,48 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _findGetResult = require('./internal/findGetResult');
+
+var _findGetResult2 = _interopRequireDefault(_findGetResult);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name detectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findLimit
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ */
+exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/findSeries.js b/web/public/node_modules/async/findSeries.js
new file mode 100644
index 000000000..6fe16c956
--- /dev/null
+++ b/web/public/node_modules/async/findSeries.js
@@ -0,0 +1,38 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _detectLimit = require('./detectLimit');
+
+var _detectLimit2 = _interopRequireDefault(_detectLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
+ *
+ * @name detectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findSeries
+ * @category Collections
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_detectLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/foldl.js b/web/public/node_modules/async/foldl.js
new file mode 100644
index 000000000..3fb8019e4
--- /dev/null
+++ b/web/public/node_modules/async/foldl.js
@@ -0,0 +1,78 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reduce;
+
+var _eachOfSeries = require('./eachOfSeries');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Reduces `coll` into a single value using an async `iteratee` to return each
+ * successive step. `memo` is the initial state of the reduction. This function
+ * only operates in series.
+ *
+ * For performance reasons, it may make sense to split a call to this function
+ * into a parallel map, and then use the normal `Array.prototype.reduce` on the
+ * results. This function is for situations where each step in the reduction
+ * needs to be async; if you can get the data before reducing it, then it's
+ * probably a good idea to do so.
+ *
+ * @name reduce
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias inject
+ * @alias foldl
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.reduce([1,2,3], 0, function(memo, item, callback) {
+ *     // pointless async:
+ *     process.nextTick(function() {
+ *         callback(null, memo + item)
+ *     });
+ * }, function(err, result) {
+ *     // result is now equal to the last value of memo, which is 6
+ * });
+ */
+function reduce(coll, memo, iteratee, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _eachOfSeries2.default)(coll, function (x, i, callback) {
+        _iteratee(memo, x, function (err, v) {
+            memo = v;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, memo);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/foldr.js b/web/public/node_modules/async/foldr.js
new file mode 100644
index 000000000..3d17d328a
--- /dev/null
+++ b/web/public/node_modules/async/foldr.js
@@ -0,0 +1,44 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = reduceRight;
+
+var _reduce = require('./reduce');
+
+var _reduce2 = _interopRequireDefault(_reduce);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order.
+ *
+ * @name reduceRight
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reduce]{@link module:Collections.reduce}
+ * @alias foldr
+ * @category Collection
+ * @param {Array} array - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ */
+function reduceRight(array, memo, iteratee, callback) {
+  var reversed = (0, _slice2.default)(array).reverse();
+  (0, _reduce2.default)(reversed, memo, iteratee, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forEach.js b/web/public/node_modules/async/forEach.js
new file mode 100644
index 000000000..4b20af33d
--- /dev/null
+++ b/web/public/node_modules/async/forEach.js
@@ -0,0 +1,82 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachLimit;
+
+var _eachOf = require('./eachOf');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _withoutIndex = require('./internal/withoutIndex');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies the function `iteratee` to each item in `coll`, in parallel.
+ * The `iteratee` is called with an item from the list, and a callback for when
+ * it has finished. If the `iteratee` passes an error to its `callback`, the
+ * main `callback` (for the `each` function) is immediately called with the
+ * error.
+ *
+ * Note, that since this function applies `iteratee` to each item in parallel,
+ * there is no guarantee that the iteratee functions will complete in order.
+ *
+ * @name each
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEach
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to
+ * each item in `coll`. Invoked with (item, callback).
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOf`.
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @example
+ *
+ * // assuming openFiles is an array of file names and saveFile is a function
+ * // to save the modified contents of that file:
+ *
+ * async.each(openFiles, saveFile, function(err){
+ *   // if any of the saves produced an error, err would equal that error
+ * });
+ *
+ * // assuming openFiles is an array of file names
+ * async.each(openFiles, function(file, callback) {
+ *
+ *     // Perform operation on file here.
+ *     console.log('Processing file ' + file);
+ *
+ *     if( file.length > 32 ) {
+ *       console.log('This file name is too long');
+ *       callback('File name too long');
+ *     } else {
+ *       // Do work to process file here
+ *       console.log('File processed');
+ *       callback();
+ *     }
+ * }, function(err) {
+ *     // if any of the file processing produced an error, err would equal that error
+ *     if( err ) {
+ *       // One of the iterations produced an error.
+ *       // All processing will now stop.
+ *       console.log('A file failed to process');
+ *     } else {
+ *       console.log('All files have been processed successfully');
+ *     }
+ * });
+ */
+function eachLimit(coll, iteratee, callback) {
+  (0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forEachLimit.js b/web/public/node_modules/async/forEachLimit.js
new file mode 100644
index 000000000..fff721bce
--- /dev/null
+++ b/web/public/node_modules/async/forEachLimit.js
@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachLimit;
+
+var _eachOfLimit = require('./internal/eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _withoutIndex = require('./internal/withoutIndex');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name eachLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfLimit`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+function eachLimit(coll, limit, iteratee, callback) {
+  (0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forEachOf.js b/web/public/node_modules/async/forEachOf.js
new file mode 100644
index 000000000..055b9bde1
--- /dev/null
+++ b/web/public/node_modules/async/forEachOf.js
@@ -0,0 +1,111 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (coll, iteratee, callback) {
+    var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
+    eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
+};
+
+var _isArrayLike = require('lodash/isArrayLike');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _breakLoop = require('./internal/breakLoop');
+
+var _breakLoop2 = _interopRequireDefault(_breakLoop);
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// eachOf implementation optimized for array-likes
+function eachOfArrayLike(coll, iteratee, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var index = 0,
+        completed = 0,
+        length = coll.length;
+    if (length === 0) {
+        callback(null);
+    }
+
+    function iteratorCallback(err, value) {
+        if (err) {
+            callback(err);
+        } else if (++completed === length || value === _breakLoop2.default) {
+            callback(null);
+        }
+    }
+
+    for (; index < length; index++) {
+        iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
+    }
+}
+
+// a generic version of eachOf which can handle array, object, and iterator cases.
+var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity);
+
+/**
+ * Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
+ * to the iteratee.
+ *
+ * @name eachOf
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEachOf
+ * @category Collection
+ * @see [async.each]{@link module:Collections.each}
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each
+ * item in `coll`.
+ * The `key` is the item's key, or index in the case of an array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @example
+ *
+ * var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
+ * var configs = {};
+ *
+ * async.forEachOf(obj, function (value, key, callback) {
+ *     fs.readFile(__dirname + value, "utf8", function (err, data) {
+ *         if (err) return callback(err);
+ *         try {
+ *             configs[key] = JSON.parse(data);
+ *         } catch (e) {
+ *             return callback(e);
+ *         }
+ *         callback();
+ *     });
+ * }, function (err) {
+ *     if (err) console.error(err.message);
+ *     // configs is now a map of JSON data
+ *     doSomethingWith(configs);
+ * });
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forEachOfLimit.js b/web/public/node_modules/async/forEachOfLimit.js
new file mode 100644
index 000000000..30a13299e
--- /dev/null
+++ b/web/public/node_modules/async/forEachOfLimit.js
@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachOfLimit;
+
+var _eachOfLimit2 = require('./internal/eachOfLimit');
+
+var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name eachOfLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`. The `key` is the item's key, or index in the case of an
+ * array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+function eachOfLimit(coll, limit, iteratee, callback) {
+  (0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forEachOfSeries.js b/web/public/node_modules/async/forEachOfSeries.js
new file mode 100644
index 000000000..9dfd71134
--- /dev/null
+++ b/web/public/node_modules/async/forEachOfSeries.js
@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
+ *
+ * @name eachOfSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Invoked with (err).
+ */
+exports.default = (0, _doLimit2.default)(_eachOfLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forEachSeries.js b/web/public/node_modules/async/forEachSeries.js
new file mode 100644
index 000000000..55c78405e
--- /dev/null
+++ b/web/public/node_modules/async/forEachSeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _eachLimit = require('./eachLimit');
+
+var _eachLimit2 = _interopRequireDefault(_eachLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
+ *
+ * @name eachSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfSeries`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ */
+exports.default = (0, _doLimit2.default)(_eachLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/forever.js b/web/public/node_modules/async/forever.js
new file mode 100644
index 000000000..6c7b8a4cd
--- /dev/null
+++ b/web/public/node_modules/async/forever.js
@@ -0,0 +1,65 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = forever;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _ensureAsync = require('./ensureAsync');
+
+var _ensureAsync2 = _interopRequireDefault(_ensureAsync);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Calls the asynchronous function `fn` with a callback parameter that allows it
+ * to call itself again, in series, indefinitely.
+
+ * If an error is passed to the callback then `errback` is called with the
+ * error, and execution stops, otherwise it will never be called.
+ *
+ * @name forever
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {AsyncFunction} fn - an async function to call repeatedly.
+ * Invoked with (next).
+ * @param {Function} [errback] - when `fn` passes an error to it's callback,
+ * this function will be called, and execution stops. Invoked with (err).
+ * @example
+ *
+ * async.forever(
+ *     function(next) {
+ *         // next is suitable for passing to things that need a callback(err [, whatever]);
+ *         // it will result in this function being called again.
+ *     },
+ *     function(err) {
+ *         // if next is called with a value in its first parameter, it will appear
+ *         // in here as 'err', and execution will stop.
+ *     }
+ * );
+ */
+function forever(fn, errback) {
+    var done = (0, _onlyOnce2.default)(errback || _noop2.default);
+    var task = (0, _wrapAsync2.default)((0, _ensureAsync2.default)(fn));
+
+    function next(err) {
+        if (err) return done(err);
+        task(next);
+    }
+    next();
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/groupBy.js b/web/public/node_modules/async/groupBy.js
new file mode 100644
index 000000000..755cba764
--- /dev/null
+++ b/web/public/node_modules/async/groupBy.js
@@ -0,0 +1,54 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+var _groupByLimit = require('./groupByLimit');
+
+var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns a new object, where each value corresponds to an array of items, from
+ * `coll`, that returned the corresponding key. That is, the keys of the object
+ * correspond to the values passed to the `iteratee` callback.
+ *
+ * Note: Since this function applies the `iteratee` to each item in parallel,
+ * there is no guarantee that the `iteratee` functions will complete in order.
+ * However, the values for each key in the `result` will be in the same order as
+ * the original `coll`. For Objects, the values will roughly be in the order of
+ * the original Objects' keys (but this can vary across JavaScript engines).
+ *
+ * @name groupBy
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ * @example
+ *
+ * async.groupBy(['userId1', 'userId2', 'userId3'], function(userId, callback) {
+ *     db.findById(userId, function(err, user) {
+ *         if (err) return callback(err);
+ *         return callback(null, user.age);
+ *     });
+ * }, function(err, result) {
+ *     // result is object containing the userIds grouped by age
+ *     // e.g. { 30: ['userId1', 'userId3'], 42: ['userId2']};
+ * });
+ */
+exports.default = (0, _doLimit2.default)(_groupByLimit2.default, Infinity);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/groupByLimit.js b/web/public/node_modules/async/groupByLimit.js
new file mode 100644
index 000000000..fec13f865
--- /dev/null
+++ b/web/public/node_modules/async/groupByLimit.js
@@ -0,0 +1,71 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (coll, limit, iteratee, callback) {
+    callback = callback || _noop2.default;
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _mapLimit2.default)(coll, limit, function (val, callback) {
+        _iteratee(val, function (err, key) {
+            if (err) return callback(err);
+            return callback(null, { key: key, val: val });
+        });
+    }, function (err, mapResults) {
+        var result = {};
+        // from MDN, handle object having an `hasOwnProperty` prop
+        var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+        for (var i = 0; i < mapResults.length; i++) {
+            if (mapResults[i]) {
+                var key = mapResults[i].key;
+                var val = mapResults[i].val;
+
+                if (hasOwnProperty.call(result, key)) {
+                    result[key].push(val);
+                } else {
+                    result[key] = [val];
+                }
+            }
+        }
+
+        return callback(err, result);
+    });
+};
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _mapLimit = require('./mapLimit');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+;
+/**
+ * The same as [`groupBy`]{@link module:Collections.groupBy} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name groupByLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.groupBy]{@link module:Collections.groupBy}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ */
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/groupBySeries.js b/web/public/node_modules/async/groupBySeries.js
new file mode 100644
index 000000000..b94805e35
--- /dev/null
+++ b/web/public/node_modules/async/groupBySeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+var _groupByLimit = require('./groupByLimit');
+
+var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`groupBy`]{@link module:Collections.groupBy} but runs only a single async operation at a time.
+ *
+ * @name groupBySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.groupBy]{@link module:Collections.groupBy}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ */
+exports.default = (0, _doLimit2.default)(_groupByLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/index.js b/web/public/node_modules/async/index.js
new file mode 100644
index 000000000..c39d8d8ec
--- /dev/null
+++ b/web/public/node_modules/async/index.js
@@ -0,0 +1,582 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.wrapSync = exports.selectSeries = exports.selectLimit = exports.select = exports.foldr = exports.foldl = exports.inject = exports.forEachOfLimit = exports.forEachOfSeries = exports.forEachOf = exports.forEachLimit = exports.forEachSeries = exports.forEach = exports.findSeries = exports.findLimit = exports.find = exports.anySeries = exports.anyLimit = exports.any = exports.allSeries = exports.allLimit = exports.all = exports.whilst = exports.waterfall = exports.until = exports.unmemoize = exports.tryEach = exports.transform = exports.timesSeries = exports.timesLimit = exports.times = exports.timeout = exports.sortBy = exports.someSeries = exports.someLimit = exports.some = exports.setImmediate = exports.series = exports.seq = exports.retryable = exports.retry = exports.rejectSeries = exports.rejectLimit = exports.reject = exports.reflectAll = exports.reflect = exports.reduceRight = exports.reduce = exports.race = exports.queue = exports.priorityQueue = exports.parallelLimit = exports.parallel = exports.nextTick = exports.memoize = exports.mapValuesSeries = exports.mapValuesLimit = exports.mapValues = exports.mapSeries = exports.mapLimit = exports.map = exports.log = exports.groupBySeries = exports.groupByLimit = exports.groupBy = exports.forever = exports.filterSeries = exports.filterLimit = exports.filter = exports.everySeries = exports.everyLimit = exports.every = exports.ensureAsync = exports.eachSeries = exports.eachOfSeries = exports.eachOfLimit = exports.eachOf = exports.eachLimit = exports.each = exports.during = exports.doWhilst = exports.doUntil = exports.doDuring = exports.dir = exports.detectSeries = exports.detectLimit = exports.detect = exports.constant = exports.concatSeries = exports.concatLimit = exports.concat = exports.compose = exports.cargo = exports.autoInject = exports.auto = exports.asyncify = exports.applyEachSeries = exports.applyEach = exports.apply = undefined;
+
+var _apply = require('./apply');
+
+var _apply2 = _interopRequireDefault(_apply);
+
+var _applyEach = require('./applyEach');
+
+var _applyEach2 = _interopRequireDefault(_applyEach);
+
+var _applyEachSeries = require('./applyEachSeries');
+
+var _applyEachSeries2 = _interopRequireDefault(_applyEachSeries);
+
+var _asyncify = require('./asyncify');
+
+var _asyncify2 = _interopRequireDefault(_asyncify);
+
+var _auto = require('./auto');
+
+var _auto2 = _interopRequireDefault(_auto);
+
+var _autoInject = require('./autoInject');
+
+var _autoInject2 = _interopRequireDefault(_autoInject);
+
+var _cargo = require('./cargo');
+
+var _cargo2 = _interopRequireDefault(_cargo);
+
+var _compose = require('./compose');
+
+var _compose2 = _interopRequireDefault(_compose);
+
+var _concat = require('./concat');
+
+var _concat2 = _interopRequireDefault(_concat);
+
+var _concatLimit = require('./concatLimit');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+var _concatSeries = require('./concatSeries');
+
+var _concatSeries2 = _interopRequireDefault(_concatSeries);
+
+var _constant = require('./constant');
+
+var _constant2 = _interopRequireDefault(_constant);
+
+var _detect = require('./detect');
+
+var _detect2 = _interopRequireDefault(_detect);
+
+var _detectLimit = require('./detectLimit');
+
+var _detectLimit2 = _interopRequireDefault(_detectLimit);
+
+var _detectSeries = require('./detectSeries');
+
+var _detectSeries2 = _interopRequireDefault(_detectSeries);
+
+var _dir = require('./dir');
+
+var _dir2 = _interopRequireDefault(_dir);
+
+var _doDuring = require('./doDuring');
+
+var _doDuring2 = _interopRequireDefault(_doDuring);
+
+var _doUntil = require('./doUntil');
+
+var _doUntil2 = _interopRequireDefault(_doUntil);
+
+var _doWhilst = require('./doWhilst');
+
+var _doWhilst2 = _interopRequireDefault(_doWhilst);
+
+var _during = require('./during');
+
+var _during2 = _interopRequireDefault(_during);
+
+var _each = require('./each');
+
+var _each2 = _interopRequireDefault(_each);
+
+var _eachLimit = require('./eachLimit');
+
+var _eachLimit2 = _interopRequireDefault(_eachLimit);
+
+var _eachOf = require('./eachOf');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _eachOfSeries = require('./eachOfSeries');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _eachSeries = require('./eachSeries');
+
+var _eachSeries2 = _interopRequireDefault(_eachSeries);
+
+var _ensureAsync = require('./ensureAsync');
+
+var _ensureAsync2 = _interopRequireDefault(_ensureAsync);
+
+var _every = require('./every');
+
+var _every2 = _interopRequireDefault(_every);
+
+var _everyLimit = require('./everyLimit');
+
+var _everyLimit2 = _interopRequireDefault(_everyLimit);
+
+var _everySeries = require('./everySeries');
+
+var _everySeries2 = _interopRequireDefault(_everySeries);
+
+var _filter = require('./filter');
+
+var _filter2 = _interopRequireDefault(_filter);
+
+var _filterLimit = require('./filterLimit');
+
+var _filterLimit2 = _interopRequireDefault(_filterLimit);
+
+var _filterSeries = require('./filterSeries');
+
+var _filterSeries2 = _interopRequireDefault(_filterSeries);
+
+var _forever = require('./forever');
+
+var _forever2 = _interopRequireDefault(_forever);
+
+var _groupBy = require('./groupBy');
+
+var _groupBy2 = _interopRequireDefault(_groupBy);
+
+var _groupByLimit = require('./groupByLimit');
+
+var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
+
+var _groupBySeries = require('./groupBySeries');
+
+var _groupBySeries2 = _interopRequireDefault(_groupBySeries);
+
+var _log = require('./log');
+
+var _log2 = _interopRequireDefault(_log);
+
+var _map = require('./map');
+
+var _map2 = _interopRequireDefault(_map);
+
+var _mapLimit = require('./mapLimit');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _mapSeries = require('./mapSeries');
+
+var _mapSeries2 = _interopRequireDefault(_mapSeries);
+
+var _mapValues = require('./mapValues');
+
+var _mapValues2 = _interopRequireDefault(_mapValues);
+
+var _mapValuesLimit = require('./mapValuesLimit');
+
+var _mapValuesLimit2 = _interopRequireDefault(_mapValuesLimit);
+
+var _mapValuesSeries = require('./mapValuesSeries');
+
+var _mapValuesSeries2 = _interopRequireDefault(_mapValuesSeries);
+
+var _memoize = require('./memoize');
+
+var _memoize2 = _interopRequireDefault(_memoize);
+
+var _nextTick = require('./nextTick');
+
+var _nextTick2 = _interopRequireDefault(_nextTick);
+
+var _parallel = require('./parallel');
+
+var _parallel2 = _interopRequireDefault(_parallel);
+
+var _parallelLimit = require('./parallelLimit');
+
+var _parallelLimit2 = _interopRequireDefault(_parallelLimit);
+
+var _priorityQueue = require('./priorityQueue');
+
+var _priorityQueue2 = _interopRequireDefault(_priorityQueue);
+
+var _queue = require('./queue');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+var _race = require('./race');
+
+var _race2 = _interopRequireDefault(_race);
+
+var _reduce = require('./reduce');
+
+var _reduce2 = _interopRequireDefault(_reduce);
+
+var _reduceRight = require('./reduceRight');
+
+var _reduceRight2 = _interopRequireDefault(_reduceRight);
+
+var _reflect = require('./reflect');
+
+var _reflect2 = _interopRequireDefault(_reflect);
+
+var _reflectAll = require('./reflectAll');
+
+var _reflectAll2 = _interopRequireDefault(_reflectAll);
+
+var _reject = require('./reject');
+
+var _reject2 = _interopRequireDefault(_reject);
+
+var _rejectLimit = require('./rejectLimit');
+
+var _rejectLimit2 = _interopRequireDefault(_rejectLimit);
+
+var _rejectSeries = require('./rejectSeries');
+
+var _rejectSeries2 = _interopRequireDefault(_rejectSeries);
+
+var _retry = require('./retry');
+
+var _retry2 = _interopRequireDefault(_retry);
+
+var _retryable = require('./retryable');
+
+var _retryable2 = _interopRequireDefault(_retryable);
+
+var _seq = require('./seq');
+
+var _seq2 = _interopRequireDefault(_seq);
+
+var _series = require('./series');
+
+var _series2 = _interopRequireDefault(_series);
+
+var _setImmediate = require('./setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _some = require('./some');
+
+var _some2 = _interopRequireDefault(_some);
+
+var _someLimit = require('./someLimit');
+
+var _someLimit2 = _interopRequireDefault(_someLimit);
+
+var _someSeries = require('./someSeries');
+
+var _someSeries2 = _interopRequireDefault(_someSeries);
+
+var _sortBy = require('./sortBy');
+
+var _sortBy2 = _interopRequireDefault(_sortBy);
+
+var _timeout = require('./timeout');
+
+var _timeout2 = _interopRequireDefault(_timeout);
+
+var _times = require('./times');
+
+var _times2 = _interopRequireDefault(_times);
+
+var _timesLimit = require('./timesLimit');
+
+var _timesLimit2 = _interopRequireDefault(_timesLimit);
+
+var _timesSeries = require('./timesSeries');
+
+var _timesSeries2 = _interopRequireDefault(_timesSeries);
+
+var _transform = require('./transform');
+
+var _transform2 = _interopRequireDefault(_transform);
+
+var _tryEach = require('./tryEach');
+
+var _tryEach2 = _interopRequireDefault(_tryEach);
+
+var _unmemoize = require('./unmemoize');
+
+var _unmemoize2 = _interopRequireDefault(_unmemoize);
+
+var _until = require('./until');
+
+var _until2 = _interopRequireDefault(_until);
+
+var _waterfall = require('./waterfall');
+
+var _waterfall2 = _interopRequireDefault(_waterfall);
+
+var _whilst = require('./whilst');
+
+var _whilst2 = _interopRequireDefault(_whilst);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = {
+  apply: _apply2.default,
+  applyEach: _applyEach2.default,
+  applyEachSeries: _applyEachSeries2.default,
+  asyncify: _asyncify2.default,
+  auto: _auto2.default,
+  autoInject: _autoInject2.default,
+  cargo: _cargo2.default,
+  compose: _compose2.default,
+  concat: _concat2.default,
+  concatLimit: _concatLimit2.default,
+  concatSeries: _concatSeries2.default,
+  constant: _constant2.default,
+  detect: _detect2.default,
+  detectLimit: _detectLimit2.default,
+  detectSeries: _detectSeries2.default,
+  dir: _dir2.default,
+  doDuring: _doDuring2.default,
+  doUntil: _doUntil2.default,
+  doWhilst: _doWhilst2.default,
+  during: _during2.default,
+  each: _each2.default,
+  eachLimit: _eachLimit2.default,
+  eachOf: _eachOf2.default,
+  eachOfLimit: _eachOfLimit2.default,
+  eachOfSeries: _eachOfSeries2.default,
+  eachSeries: _eachSeries2.default,
+  ensureAsync: _ensureAsync2.default,
+  every: _every2.default,
+  everyLimit: _everyLimit2.default,
+  everySeries: _everySeries2.default,
+  filter: _filter2.default,
+  filterLimit: _filterLimit2.default,
+  filterSeries: _filterSeries2.default,
+  forever: _forever2.default,
+  groupBy: _groupBy2.default,
+  groupByLimit: _groupByLimit2.default,
+  groupBySeries: _groupBySeries2.default,
+  log: _log2.default,
+  map: _map2.default,
+  mapLimit: _mapLimit2.default,
+  mapSeries: _mapSeries2.default,
+  mapValues: _mapValues2.default,
+  mapValuesLimit: _mapValuesLimit2.default,
+  mapValuesSeries: _mapValuesSeries2.default,
+  memoize: _memoize2.default,
+  nextTick: _nextTick2.default,
+  parallel: _parallel2.default,
+  parallelLimit: _parallelLimit2.default,
+  priorityQueue: _priorityQueue2.default,
+  queue: _queue2.default,
+  race: _race2.default,
+  reduce: _reduce2.default,
+  reduceRight: _reduceRight2.default,
+  reflect: _reflect2.default,
+  reflectAll: _reflectAll2.default,
+  reject: _reject2.default,
+  rejectLimit: _rejectLimit2.default,
+  rejectSeries: _rejectSeries2.default,
+  retry: _retry2.default,
+  retryable: _retryable2.default,
+  seq: _seq2.default,
+  series: _series2.default,
+  setImmediate: _setImmediate2.default,
+  some: _some2.default,
+  someLimit: _someLimit2.default,
+  someSeries: _someSeries2.default,
+  sortBy: _sortBy2.default,
+  timeout: _timeout2.default,
+  times: _times2.default,
+  timesLimit: _timesLimit2.default,
+  timesSeries: _timesSeries2.default,
+  transform: _transform2.default,
+  tryEach: _tryEach2.default,
+  unmemoize: _unmemoize2.default,
+  until: _until2.default,
+  waterfall: _waterfall2.default,
+  whilst: _whilst2.default,
+
+  // aliases
+  all: _every2.default,
+  allLimit: _everyLimit2.default,
+  allSeries: _everySeries2.default,
+  any: _some2.default,
+  anyLimit: _someLimit2.default,
+  anySeries: _someSeries2.default,
+  find: _detect2.default,
+  findLimit: _detectLimit2.default,
+  findSeries: _detectSeries2.default,
+  forEach: _each2.default,
+  forEachSeries: _eachSeries2.default,
+  forEachLimit: _eachLimit2.default,
+  forEachOf: _eachOf2.default,
+  forEachOfSeries: _eachOfSeries2.default,
+  forEachOfLimit: _eachOfLimit2.default,
+  inject: _reduce2.default,
+  foldl: _reduce2.default,
+  foldr: _reduceRight2.default,
+  select: _filter2.default,
+  selectLimit: _filterLimit2.default,
+  selectSeries: _filterSeries2.default,
+  wrapSync: _asyncify2.default
+}; /**
+    * An "async function" in the context of Async is an asynchronous function with
+    * a variable number of parameters, with the final parameter being a callback.
+    * (`function (arg1, arg2, ..., callback) {}`)
+    * The final callback is of the form `callback(err, results...)`, which must be
+    * called once the function is completed.  The callback should be called with a
+    * Error as its first argument to signal that an error occurred.
+    * Otherwise, if no error occurred, it should be called with `null` as the first
+    * argument, and any additional `result` arguments that may apply, to signal
+    * successful completion.
+    * The callback must be called exactly once, ideally on a later tick of the
+    * JavaScript event loop.
+    *
+    * This type of function is also referred to as a "Node-style async function",
+    * or a "continuation passing-style function" (CPS). Most of the methods of this
+    * library are themselves CPS/Node-style async functions, or functions that
+    * return CPS/Node-style async functions.
+    *
+    * Wherever we accept a Node-style async function, we also directly accept an
+    * [ES2017 `async` function]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function}.
+    * In this case, the `async` function will not be passed a final callback
+    * argument, and any thrown error will be used as the `err` argument of the
+    * implicit callback, and the return value will be used as the `result` value.
+    * (i.e. a `rejected` of the returned Promise becomes the `err` callback
+    * argument, and a `resolved` value becomes the `result`.)
+    *
+    * Note, due to JavaScript limitations, we can only detect native `async`
+    * functions and not transpilied implementations.
+    * Your environment must have `async`/`await` support for this to work.
+    * (e.g. Node > v7.6, or a recent version of a modern browser).
+    * If you are using `async` functions through a transpiler (e.g. Babel), you
+    * must still wrap the function with [asyncify]{@link module:Utils.asyncify},
+    * because the `async function` will be compiled to an ordinary function that
+    * returns a promise.
+    *
+    * @typedef {Function} AsyncFunction
+    * @static
+    */
+
+/**
+ * Async is a utility module which provides straight-forward, powerful functions
+ * for working with asynchronous JavaScript. Although originally designed for
+ * use with [Node.js](http://nodejs.org) and installable via
+ * `npm install --save async`, it can also be used directly in the browser.
+ * @module async
+ * @see AsyncFunction
+ */
+
+/**
+ * A collection of `async` functions for manipulating collections, such as
+ * arrays and objects.
+ * @module Collections
+ */
+
+/**
+ * A collection of `async` functions for controlling the flow through a script.
+ * @module ControlFlow
+ */
+
+/**
+ * A collection of `async` utility functions.
+ * @module Utils
+ */
+
+exports.apply = _apply2.default;
+exports.applyEach = _applyEach2.default;
+exports.applyEachSeries = _applyEachSeries2.default;
+exports.asyncify = _asyncify2.default;
+exports.auto = _auto2.default;
+exports.autoInject = _autoInject2.default;
+exports.cargo = _cargo2.default;
+exports.compose = _compose2.default;
+exports.concat = _concat2.default;
+exports.concatLimit = _concatLimit2.default;
+exports.concatSeries = _concatSeries2.default;
+exports.constant = _constant2.default;
+exports.detect = _detect2.default;
+exports.detectLimit = _detectLimit2.default;
+exports.detectSeries = _detectSeries2.default;
+exports.dir = _dir2.default;
+exports.doDuring = _doDuring2.default;
+exports.doUntil = _doUntil2.default;
+exports.doWhilst = _doWhilst2.default;
+exports.during = _during2.default;
+exports.each = _each2.default;
+exports.eachLimit = _eachLimit2.default;
+exports.eachOf = _eachOf2.default;
+exports.eachOfLimit = _eachOfLimit2.default;
+exports.eachOfSeries = _eachOfSeries2.default;
+exports.eachSeries = _eachSeries2.default;
+exports.ensureAsync = _ensureAsync2.default;
+exports.every = _every2.default;
+exports.everyLimit = _everyLimit2.default;
+exports.everySeries = _everySeries2.default;
+exports.filter = _filter2.default;
+exports.filterLimit = _filterLimit2.default;
+exports.filterSeries = _filterSeries2.default;
+exports.forever = _forever2.default;
+exports.groupBy = _groupBy2.default;
+exports.groupByLimit = _groupByLimit2.default;
+exports.groupBySeries = _groupBySeries2.default;
+exports.log = _log2.default;
+exports.map = _map2.default;
+exports.mapLimit = _mapLimit2.default;
+exports.mapSeries = _mapSeries2.default;
+exports.mapValues = _mapValues2.default;
+exports.mapValuesLimit = _mapValuesLimit2.default;
+exports.mapValuesSeries = _mapValuesSeries2.default;
+exports.memoize = _memoize2.default;
+exports.nextTick = _nextTick2.default;
+exports.parallel = _parallel2.default;
+exports.parallelLimit = _parallelLimit2.default;
+exports.priorityQueue = _priorityQueue2.default;
+exports.queue = _queue2.default;
+exports.race = _race2.default;
+exports.reduce = _reduce2.default;
+exports.reduceRight = _reduceRight2.default;
+exports.reflect = _reflect2.default;
+exports.reflectAll = _reflectAll2.default;
+exports.reject = _reject2.default;
+exports.rejectLimit = _rejectLimit2.default;
+exports.rejectSeries = _rejectSeries2.default;
+exports.retry = _retry2.default;
+exports.retryable = _retryable2.default;
+exports.seq = _seq2.default;
+exports.series = _series2.default;
+exports.setImmediate = _setImmediate2.default;
+exports.some = _some2.default;
+exports.someLimit = _someLimit2.default;
+exports.someSeries = _someSeries2.default;
+exports.sortBy = _sortBy2.default;
+exports.timeout = _timeout2.default;
+exports.times = _times2.default;
+exports.timesLimit = _timesLimit2.default;
+exports.timesSeries = _timesSeries2.default;
+exports.transform = _transform2.default;
+exports.tryEach = _tryEach2.default;
+exports.unmemoize = _unmemoize2.default;
+exports.until = _until2.default;
+exports.waterfall = _waterfall2.default;
+exports.whilst = _whilst2.default;
+exports.all = _every2.default;
+exports.allLimit = _everyLimit2.default;
+exports.allSeries = _everySeries2.default;
+exports.any = _some2.default;
+exports.anyLimit = _someLimit2.default;
+exports.anySeries = _someSeries2.default;
+exports.find = _detect2.default;
+exports.findLimit = _detectLimit2.default;
+exports.findSeries = _detectSeries2.default;
+exports.forEach = _each2.default;
+exports.forEachSeries = _eachSeries2.default;
+exports.forEachLimit = _eachLimit2.default;
+exports.forEachOf = _eachOf2.default;
+exports.forEachOfSeries = _eachOfSeries2.default;
+exports.forEachOfLimit = _eachOfLimit2.default;
+exports.inject = _reduce2.default;
+exports.foldl = _reduce2.default;
+exports.foldr = _reduceRight2.default;
+exports.select = _filter2.default;
+exports.selectLimit = _filterLimit2.default;
+exports.selectSeries = _filterSeries2.default;
+exports.wrapSync = _asyncify2.default;
\ No newline at end of file
diff --git a/web/public/node_modules/async/inject.js b/web/public/node_modules/async/inject.js
new file mode 100644
index 000000000..3fb8019e4
--- /dev/null
+++ b/web/public/node_modules/async/inject.js
@@ -0,0 +1,78 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reduce;
+
+var _eachOfSeries = require('./eachOfSeries');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Reduces `coll` into a single value using an async `iteratee` to return each
+ * successive step. `memo` is the initial state of the reduction. This function
+ * only operates in series.
+ *
+ * For performance reasons, it may make sense to split a call to this function
+ * into a parallel map, and then use the normal `Array.prototype.reduce` on the
+ * results. This function is for situations where each step in the reduction
+ * needs to be async; if you can get the data before reducing it, then it's
+ * probably a good idea to do so.
+ *
+ * @name reduce
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias inject
+ * @alias foldl
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.reduce([1,2,3], 0, function(memo, item, callback) {
+ *     // pointless async:
+ *     process.nextTick(function() {
+ *         callback(null, memo + item)
+ *     });
+ * }, function(err, result) {
+ *     // result is now equal to the last value of memo, which is 6
+ * });
+ */
+function reduce(coll, memo, iteratee, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _eachOfSeries2.default)(coll, function (x, i, callback) {
+        _iteratee(memo, x, function (err, v) {
+            memo = v;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, memo);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/DoublyLinkedList.js b/web/public/node_modules/async/internal/DoublyLinkedList.js
new file mode 100644
index 000000000..7e71728e2
--- /dev/null
+++ b/web/public/node_modules/async/internal/DoublyLinkedList.js
@@ -0,0 +1,88 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = DLL;
+// Simple doubly linked list (https://en.wikipedia.org/wiki/Doubly_linked_list) implementation
+// used for queues. This implementation assumes that the node provided by the user can be modified
+// to adjust the next and last properties. We implement only the minimal functionality
+// for queue support.
+function DLL() {
+    this.head = this.tail = null;
+    this.length = 0;
+}
+
+function setInitial(dll, node) {
+    dll.length = 1;
+    dll.head = dll.tail = node;
+}
+
+DLL.prototype.removeLink = function (node) {
+    if (node.prev) node.prev.next = node.next;else this.head = node.next;
+    if (node.next) node.next.prev = node.prev;else this.tail = node.prev;
+
+    node.prev = node.next = null;
+    this.length -= 1;
+    return node;
+};
+
+DLL.prototype.empty = function () {
+    while (this.head) this.shift();
+    return this;
+};
+
+DLL.prototype.insertAfter = function (node, newNode) {
+    newNode.prev = node;
+    newNode.next = node.next;
+    if (node.next) node.next.prev = newNode;else this.tail = newNode;
+    node.next = newNode;
+    this.length += 1;
+};
+
+DLL.prototype.insertBefore = function (node, newNode) {
+    newNode.prev = node.prev;
+    newNode.next = node;
+    if (node.prev) node.prev.next = newNode;else this.head = newNode;
+    node.prev = newNode;
+    this.length += 1;
+};
+
+DLL.prototype.unshift = function (node) {
+    if (this.head) this.insertBefore(this.head, node);else setInitial(this, node);
+};
+
+DLL.prototype.push = function (node) {
+    if (this.tail) this.insertAfter(this.tail, node);else setInitial(this, node);
+};
+
+DLL.prototype.shift = function () {
+    return this.head && this.removeLink(this.head);
+};
+
+DLL.prototype.pop = function () {
+    return this.tail && this.removeLink(this.tail);
+};
+
+DLL.prototype.toArray = function () {
+    var arr = Array(this.length);
+    var curr = this.head;
+    for (var idx = 0; idx < this.length; idx++) {
+        arr[idx] = curr.data;
+        curr = curr.next;
+    }
+    return arr;
+};
+
+DLL.prototype.remove = function (testFn) {
+    var curr = this.head;
+    while (!!curr) {
+        var next = curr.next;
+        if (testFn(curr)) {
+            this.removeLink(curr);
+        }
+        curr = next;
+    }
+    return this;
+};
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/applyEach.js b/web/public/node_modules/async/internal/applyEach.js
new file mode 100644
index 000000000..322e03ca7
--- /dev/null
+++ b/web/public/node_modules/async/internal/applyEach.js
@@ -0,0 +1,38 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = applyEach;
+
+var _slice = require('./slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _initialParams = require('./initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function applyEach(eachfn) {
+    return function (fns /*, ...args*/) {
+        var args = (0, _slice2.default)(arguments, 1);
+        var go = (0, _initialParams2.default)(function (args, callback) {
+            var that = this;
+            return eachfn(fns, function (fn, cb) {
+                (0, _wrapAsync2.default)(fn).apply(that, args.concat(cb));
+            }, callback);
+        });
+        if (args.length) {
+            return go.apply(this, args);
+        } else {
+            return go;
+        }
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/breakLoop.js b/web/public/node_modules/async/internal/breakLoop.js
new file mode 100644
index 000000000..106505824
--- /dev/null
+++ b/web/public/node_modules/async/internal/breakLoop.js
@@ -0,0 +1,9 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+// A temporary value used to identify if the loop should be broken.
+// See #1064, #1293
+exports.default = {};
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/consoleFunc.js b/web/public/node_modules/async/internal/consoleFunc.js
new file mode 100644
index 000000000..603f48e8e
--- /dev/null
+++ b/web/public/node_modules/async/internal/consoleFunc.js
@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = consoleFunc;
+
+var _arrayEach = require('lodash/_arrayEach');
+
+var _arrayEach2 = _interopRequireDefault(_arrayEach);
+
+var _slice = require('./slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function consoleFunc(name) {
+    return function (fn /*, ...args*/) {
+        var args = (0, _slice2.default)(arguments, 1);
+        args.push(function (err /*, ...args*/) {
+            var args = (0, _slice2.default)(arguments, 1);
+            if (typeof console === 'object') {
+                if (err) {
+                    if (console.error) {
+                        console.error(err);
+                    }
+                } else if (console[name]) {
+                    (0, _arrayEach2.default)(args, function (x) {
+                        console[name](x);
+                    });
+                }
+            }
+        });
+        (0, _wrapAsync2.default)(fn).apply(null, args);
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/createTester.js b/web/public/node_modules/async/internal/createTester.js
new file mode 100644
index 000000000..ce96e8b4e
--- /dev/null
+++ b/web/public/node_modules/async/internal/createTester.js
@@ -0,0 +1,44 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _createTester;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _breakLoop = require('./breakLoop');
+
+var _breakLoop2 = _interopRequireDefault(_breakLoop);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _createTester(check, getResult) {
+    return function (eachfn, arr, iteratee, cb) {
+        cb = cb || _noop2.default;
+        var testPassed = false;
+        var testResult;
+        eachfn(arr, function (value, _, callback) {
+            iteratee(value, function (err, result) {
+                if (err) {
+                    callback(err);
+                } else if (check(result) && !testResult) {
+                    testPassed = true;
+                    testResult = getResult(true, value);
+                    callback(null, _breakLoop2.default);
+                } else {
+                    callback();
+                }
+            });
+        }, function (err) {
+            if (err) {
+                cb(err);
+            } else {
+                cb(null, testPassed ? testResult : getResult(false));
+            }
+        });
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/doLimit.js b/web/public/node_modules/async/internal/doLimit.js
new file mode 100644
index 000000000..963c6088f
--- /dev/null
+++ b/web/public/node_modules/async/internal/doLimit.js
@@ -0,0 +1,12 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doLimit;
+function doLimit(fn, limit) {
+    return function (iterable, iteratee, callback) {
+        return fn(iterable, limit, iteratee, callback);
+    };
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/doParallel.js b/web/public/node_modules/async/internal/doParallel.js
new file mode 100644
index 000000000..bb402077c
--- /dev/null
+++ b/web/public/node_modules/async/internal/doParallel.js
@@ -0,0 +1,23 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doParallel;
+
+var _eachOf = require('../eachOf');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function doParallel(fn) {
+    return function (obj, iteratee, callback) {
+        return fn(_eachOf2.default, obj, (0, _wrapAsync2.default)(iteratee), callback);
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/doParallelLimit.js b/web/public/node_modules/async/internal/doParallelLimit.js
new file mode 100644
index 000000000..a7e963d53
--- /dev/null
+++ b/web/public/node_modules/async/internal/doParallelLimit.js
@@ -0,0 +1,23 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doParallelLimit;
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function doParallelLimit(fn) {
+    return function (obj, limit, iteratee, callback) {
+        return fn((0, _eachOfLimit2.default)(limit), obj, (0, _wrapAsync2.default)(iteratee), callback);
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/eachOfLimit.js b/web/public/node_modules/async/internal/eachOfLimit.js
new file mode 100644
index 000000000..6f6fe55d0
--- /dev/null
+++ b/web/public/node_modules/async/internal/eachOfLimit.js
@@ -0,0 +1,74 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _eachOfLimit;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _iterator = require('./iterator');
+
+var _iterator2 = _interopRequireDefault(_iterator);
+
+var _onlyOnce = require('./onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _breakLoop = require('./breakLoop');
+
+var _breakLoop2 = _interopRequireDefault(_breakLoop);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _eachOfLimit(limit) {
+    return function (obj, iteratee, callback) {
+        callback = (0, _once2.default)(callback || _noop2.default);
+        if (limit <= 0 || !obj) {
+            return callback(null);
+        }
+        var nextElem = (0, _iterator2.default)(obj);
+        var done = false;
+        var running = 0;
+        var looping = false;
+
+        function iterateeCallback(err, value) {
+            running -= 1;
+            if (err) {
+                done = true;
+                callback(err);
+            } else if (value === _breakLoop2.default || done && running <= 0) {
+                done = true;
+                return callback(null);
+            } else if (!looping) {
+                replenish();
+            }
+        }
+
+        function replenish() {
+            looping = true;
+            while (running < limit && !done) {
+                var elem = nextElem();
+                if (elem === null) {
+                    done = true;
+                    if (running <= 0) {
+                        callback(null);
+                    }
+                    return;
+                }
+                running += 1;
+                iteratee(elem.value, elem.key, (0, _onlyOnce2.default)(iterateeCallback));
+            }
+            looping = false;
+        }
+
+        replenish();
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/filter.js b/web/public/node_modules/async/internal/filter.js
new file mode 100644
index 000000000..74f398635
--- /dev/null
+++ b/web/public/node_modules/async/internal/filter.js
@@ -0,0 +1,75 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _filter;
+
+var _arrayMap = require('lodash/_arrayMap');
+
+var _arrayMap2 = _interopRequireDefault(_arrayMap);
+
+var _isArrayLike = require('lodash/isArrayLike');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _baseProperty = require('lodash/_baseProperty');
+
+var _baseProperty2 = _interopRequireDefault(_baseProperty);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function filterArray(eachfn, arr, iteratee, callback) {
+    var truthValues = new Array(arr.length);
+    eachfn(arr, function (x, index, callback) {
+        iteratee(x, function (err, v) {
+            truthValues[index] = !!v;
+            callback(err);
+        });
+    }, function (err) {
+        if (err) return callback(err);
+        var results = [];
+        for (var i = 0; i < arr.length; i++) {
+            if (truthValues[i]) results.push(arr[i]);
+        }
+        callback(null, results);
+    });
+}
+
+function filterGeneric(eachfn, coll, iteratee, callback) {
+    var results = [];
+    eachfn(coll, function (x, index, callback) {
+        iteratee(x, function (err, v) {
+            if (err) {
+                callback(err);
+            } else {
+                if (v) {
+                    results.push({ index: index, value: x });
+                }
+                callback();
+            }
+        });
+    }, function (err) {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null, (0, _arrayMap2.default)(results.sort(function (a, b) {
+                return a.index - b.index;
+            }), (0, _baseProperty2.default)('value')));
+        }
+    });
+}
+
+function _filter(eachfn, coll, iteratee, callback) {
+    var filter = (0, _isArrayLike2.default)(coll) ? filterArray : filterGeneric;
+    filter(eachfn, coll, (0, _wrapAsync2.default)(iteratee), callback || _noop2.default);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/findGetResult.js b/web/public/node_modules/async/internal/findGetResult.js
new file mode 100644
index 000000000..f8d3fe063
--- /dev/null
+++ b/web/public/node_modules/async/internal/findGetResult.js
@@ -0,0 +1,10 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _findGetResult;
+function _findGetResult(v, x) {
+    return x;
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/getIterator.js b/web/public/node_modules/async/internal/getIterator.js
new file mode 100644
index 000000000..3eadd24d0
--- /dev/null
+++ b/web/public/node_modules/async/internal/getIterator.js
@@ -0,0 +1,13 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (coll) {
+    return iteratorSymbol && coll[iteratorSymbol] && coll[iteratorSymbol]();
+};
+
+var iteratorSymbol = typeof Symbol === 'function' && Symbol.iterator;
+
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/initialParams.js b/web/public/node_modules/async/internal/initialParams.js
new file mode 100644
index 000000000..df02cb1f1
--- /dev/null
+++ b/web/public/node_modules/async/internal/initialParams.js
@@ -0,0 +1,21 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (fn) {
+    return function () /*...args, callback*/{
+        var args = (0, _slice2.default)(arguments);
+        var callback = args.pop();
+        fn.call(this, args, callback);
+    };
+};
+
+var _slice = require('./slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/iterator.js b/web/public/node_modules/async/internal/iterator.js
new file mode 100644
index 000000000..886beb5a4
--- /dev/null
+++ b/web/public/node_modules/async/internal/iterator.js
@@ -0,0 +1,61 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = iterator;
+
+var _isArrayLike = require('lodash/isArrayLike');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _getIterator = require('./getIterator');
+
+var _getIterator2 = _interopRequireDefault(_getIterator);
+
+var _keys = require('lodash/keys');
+
+var _keys2 = _interopRequireDefault(_keys);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function createArrayIterator(coll) {
+    var i = -1;
+    var len = coll.length;
+    return function next() {
+        return ++i < len ? { value: coll[i], key: i } : null;
+    };
+}
+
+function createES2015Iterator(iterator) {
+    var i = -1;
+    return function next() {
+        var item = iterator.next();
+        if (item.done) return null;
+        i++;
+        return { value: item.value, key: i };
+    };
+}
+
+function createObjectIterator(obj) {
+    var okeys = (0, _keys2.default)(obj);
+    var i = -1;
+    var len = okeys.length;
+    return function next() {
+        var key = okeys[++i];
+        if (key === '__proto__') {
+            return next();
+        }
+        return i < len ? { value: obj[key], key: key } : null;
+    };
+}
+
+function iterator(coll) {
+    if ((0, _isArrayLike2.default)(coll)) {
+        return createArrayIterator(coll);
+    }
+
+    var iterator = (0, _getIterator2.default)(coll);
+    return iterator ? createES2015Iterator(iterator) : createObjectIterator(coll);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/map.js b/web/public/node_modules/async/internal/map.js
new file mode 100644
index 000000000..f4f2aa594
--- /dev/null
+++ b/web/public/node_modules/async/internal/map.js
@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _asyncMap;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _asyncMap(eachfn, arr, iteratee, callback) {
+    callback = callback || _noop2.default;
+    arr = arr || [];
+    var results = [];
+    var counter = 0;
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+
+    eachfn(arr, function (value, _, callback) {
+        var index = counter++;
+        _iteratee(value, function (err, v) {
+            results[index] = v;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, results);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/notId.js b/web/public/node_modules/async/internal/notId.js
new file mode 100644
index 000000000..0106c92c0
--- /dev/null
+++ b/web/public/node_modules/async/internal/notId.js
@@ -0,0 +1,10 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = notId;
+function notId(v) {
+    return !v;
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/once.js b/web/public/node_modules/async/internal/once.js
new file mode 100644
index 000000000..f0c379f75
--- /dev/null
+++ b/web/public/node_modules/async/internal/once.js
@@ -0,0 +1,15 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = once;
+function once(fn) {
+    return function () {
+        if (fn === null) return;
+        var callFn = fn;
+        fn = null;
+        callFn.apply(this, arguments);
+    };
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/onlyOnce.js b/web/public/node_modules/async/internal/onlyOnce.js
new file mode 100644
index 000000000..f2e3001dc
--- /dev/null
+++ b/web/public/node_modules/async/internal/onlyOnce.js
@@ -0,0 +1,15 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = onlyOnce;
+function onlyOnce(fn) {
+    return function () {
+        if (fn === null) throw new Error("Callback was already called.");
+        var callFn = fn;
+        fn = null;
+        callFn.apply(this, arguments);
+    };
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/parallel.js b/web/public/node_modules/async/internal/parallel.js
new file mode 100644
index 000000000..c97293b6c
--- /dev/null
+++ b/web/public/node_modules/async/internal/parallel.js
@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _parallel;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _isArrayLike = require('lodash/isArrayLike');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _slice = require('./slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _parallel(eachfn, tasks, callback) {
+    callback = callback || _noop2.default;
+    var results = (0, _isArrayLike2.default)(tasks) ? [] : {};
+
+    eachfn(tasks, function (task, key, callback) {
+        (0, _wrapAsync2.default)(task)(function (err, result) {
+            if (arguments.length > 2) {
+                result = (0, _slice2.default)(arguments, 1);
+            }
+            results[key] = result;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, results);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/queue.js b/web/public/node_modules/async/internal/queue.js
new file mode 100644
index 000000000..19534a749
--- /dev/null
+++ b/web/public/node_modules/async/internal/queue.js
@@ -0,0 +1,204 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = queue;
+
+var _baseIndexOf = require('lodash/_baseIndexOf');
+
+var _baseIndexOf2 = _interopRequireDefault(_baseIndexOf);
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _onlyOnce = require('./onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _setImmediate = require('./setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _DoublyLinkedList = require('./DoublyLinkedList');
+
+var _DoublyLinkedList2 = _interopRequireDefault(_DoublyLinkedList);
+
+var _wrapAsync = require('./wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function queue(worker, concurrency, payload) {
+    if (concurrency == null) {
+        concurrency = 1;
+    } else if (concurrency === 0) {
+        throw new Error('Concurrency must not be zero');
+    }
+
+    var _worker = (0, _wrapAsync2.default)(worker);
+    var numRunning = 0;
+    var workersList = [];
+
+    var processingScheduled = false;
+    function _insert(data, insertAtFront, callback) {
+        if (callback != null && typeof callback !== 'function') {
+            throw new Error('task callback must be a function');
+        }
+        q.started = true;
+        if (!(0, _isArray2.default)(data)) {
+            data = [data];
+        }
+        if (data.length === 0 && q.idle()) {
+            // call drain immediately if there are no tasks
+            return (0, _setImmediate2.default)(function () {
+                q.drain();
+            });
+        }
+
+        for (var i = 0, l = data.length; i < l; i++) {
+            var item = {
+                data: data[i],
+                callback: callback || _noop2.default
+            };
+
+            if (insertAtFront) {
+                q._tasks.unshift(item);
+            } else {
+                q._tasks.push(item);
+            }
+        }
+
+        if (!processingScheduled) {
+            processingScheduled = true;
+            (0, _setImmediate2.default)(function () {
+                processingScheduled = false;
+                q.process();
+            });
+        }
+    }
+
+    function _next(tasks) {
+        return function (err) {
+            numRunning -= 1;
+
+            for (var i = 0, l = tasks.length; i < l; i++) {
+                var task = tasks[i];
+
+                var index = (0, _baseIndexOf2.default)(workersList, task, 0);
+                if (index === 0) {
+                    workersList.shift();
+                } else if (index > 0) {
+                    workersList.splice(index, 1);
+                }
+
+                task.callback.apply(task, arguments);
+
+                if (err != null) {
+                    q.error(err, task.data);
+                }
+            }
+
+            if (numRunning <= q.concurrency - q.buffer) {
+                q.unsaturated();
+            }
+
+            if (q.idle()) {
+                q.drain();
+            }
+            q.process();
+        };
+    }
+
+    var isProcessing = false;
+    var q = {
+        _tasks: new _DoublyLinkedList2.default(),
+        concurrency: concurrency,
+        payload: payload,
+        saturated: _noop2.default,
+        unsaturated: _noop2.default,
+        buffer: concurrency / 4,
+        empty: _noop2.default,
+        drain: _noop2.default,
+        error: _noop2.default,
+        started: false,
+        paused: false,
+        push: function (data, callback) {
+            _insert(data, false, callback);
+        },
+        kill: function () {
+            q.drain = _noop2.default;
+            q._tasks.empty();
+        },
+        unshift: function (data, callback) {
+            _insert(data, true, callback);
+        },
+        remove: function (testFn) {
+            q._tasks.remove(testFn);
+        },
+        process: function () {
+            // Avoid trying to start too many processing operations. This can occur
+            // when callbacks resolve synchronously (#1267).
+            if (isProcessing) {
+                return;
+            }
+            isProcessing = true;
+            while (!q.paused && numRunning < q.concurrency && q._tasks.length) {
+                var tasks = [],
+                    data = [];
+                var l = q._tasks.length;
+                if (q.payload) l = Math.min(l, q.payload);
+                for (var i = 0; i < l; i++) {
+                    var node = q._tasks.shift();
+                    tasks.push(node);
+                    workersList.push(node);
+                    data.push(node.data);
+                }
+
+                numRunning += 1;
+
+                if (q._tasks.length === 0) {
+                    q.empty();
+                }
+
+                if (numRunning === q.concurrency) {
+                    q.saturated();
+                }
+
+                var cb = (0, _onlyOnce2.default)(_next(tasks));
+                _worker(data, cb);
+            }
+            isProcessing = false;
+        },
+        length: function () {
+            return q._tasks.length;
+        },
+        running: function () {
+            return numRunning;
+        },
+        workersList: function () {
+            return workersList;
+        },
+        idle: function () {
+            return q._tasks.length + numRunning === 0;
+        },
+        pause: function () {
+            q.paused = true;
+        },
+        resume: function () {
+            if (q.paused === false) {
+                return;
+            }
+            q.paused = false;
+            (0, _setImmediate2.default)(q.process);
+        }
+    };
+    return q;
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/reject.js b/web/public/node_modules/async/internal/reject.js
new file mode 100644
index 000000000..5dbfcfb15
--- /dev/null
+++ b/web/public/node_modules/async/internal/reject.js
@@ -0,0 +1,21 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reject;
+
+var _filter = require('./filter');
+
+var _filter2 = _interopRequireDefault(_filter);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function reject(eachfn, arr, iteratee, callback) {
+    (0, _filter2.default)(eachfn, arr, function (value, cb) {
+        iteratee(value, function (err, v) {
+            cb(err, !v);
+        });
+    }, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/setImmediate.js b/web/public/node_modules/async/internal/setImmediate.js
new file mode 100644
index 000000000..3545f2bcd
--- /dev/null
+++ b/web/public/node_modules/async/internal/setImmediate.js
@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.hasNextTick = exports.hasSetImmediate = undefined;
+exports.fallback = fallback;
+exports.wrap = wrap;
+
+var _slice = require('./slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var hasSetImmediate = exports.hasSetImmediate = typeof setImmediate === 'function' && setImmediate;
+var hasNextTick = exports.hasNextTick = typeof process === 'object' && typeof process.nextTick === 'function';
+
+function fallback(fn) {
+    setTimeout(fn, 0);
+}
+
+function wrap(defer) {
+    return function (fn /*, ...args*/) {
+        var args = (0, _slice2.default)(arguments, 1);
+        defer(function () {
+            fn.apply(null, args);
+        });
+    };
+}
+
+var _defer;
+
+if (hasSetImmediate) {
+    _defer = setImmediate;
+} else if (hasNextTick) {
+    _defer = process.nextTick;
+} else {
+    _defer = fallback;
+}
+
+exports.default = wrap(_defer);
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/slice.js b/web/public/node_modules/async/internal/slice.js
new file mode 100644
index 000000000..56f10c03e
--- /dev/null
+++ b/web/public/node_modules/async/internal/slice.js
@@ -0,0 +1,16 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = slice;
+function slice(arrayLike, start) {
+    start = start | 0;
+    var newLen = Math.max(arrayLike.length - start, 0);
+    var newArr = Array(newLen);
+    for (var idx = 0; idx < newLen; idx++) {
+        newArr[idx] = arrayLike[start + idx];
+    }
+    return newArr;
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/withoutIndex.js b/web/public/node_modules/async/internal/withoutIndex.js
new file mode 100644
index 000000000..2bd35796a
--- /dev/null
+++ b/web/public/node_modules/async/internal/withoutIndex.js
@@ -0,0 +1,12 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = _withoutIndex;
+function _withoutIndex(iteratee) {
+    return function (value, index, callback) {
+        return iteratee(value, callback);
+    };
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/internal/wrapAsync.js b/web/public/node_modules/async/internal/wrapAsync.js
new file mode 100644
index 000000000..bc6c96668
--- /dev/null
+++ b/web/public/node_modules/async/internal/wrapAsync.js
@@ -0,0 +1,25 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.isAsync = undefined;
+
+var _asyncify = require('../asyncify');
+
+var _asyncify2 = _interopRequireDefault(_asyncify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var supportsSymbol = typeof Symbol === 'function';
+
+function isAsync(fn) {
+    return supportsSymbol && fn[Symbol.toStringTag] === 'AsyncFunction';
+}
+
+function wrapAsync(asyncFn) {
+    return isAsync(asyncFn) ? (0, _asyncify2.default)(asyncFn) : asyncFn;
+}
+
+exports.default = wrapAsync;
+exports.isAsync = isAsync;
\ No newline at end of file
diff --git a/web/public/node_modules/async/log.js b/web/public/node_modules/async/log.js
new file mode 100644
index 000000000..c643867bc
--- /dev/null
+++ b/web/public/node_modules/async/log.js
@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _consoleFunc = require('./internal/consoleFunc');
+
+var _consoleFunc2 = _interopRequireDefault(_consoleFunc);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Logs the result of an `async` function to the `console`. Only works in
+ * Node.js or in browsers that support `console.log` and `console.error` (such
+ * as FF and Chrome). If multiple arguments are returned from the async
+ * function, `console.log` is called on each argument in order.
+ *
+ * @name log
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} function - The function you want to eventually apply
+ * all arguments to.
+ * @param {...*} arguments... - Any number of arguments to apply to the function.
+ * @example
+ *
+ * // in a module
+ * var hello = function(name, callback) {
+ *     setTimeout(function() {
+ *         callback(null, 'hello ' + name);
+ *     }, 1000);
+ * };
+ *
+ * // in the node repl
+ * node> async.log(hello, 'world');
+ * 'hello world'
+ */
+exports.default = (0, _consoleFunc2.default)('log');
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/map.js b/web/public/node_modules/async/map.js
new file mode 100644
index 000000000..67c9cda93
--- /dev/null
+++ b/web/public/node_modules/async/map.js
@@ -0,0 +1,54 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _map = require('./internal/map');
+
+var _map2 = _interopRequireDefault(_map);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Produces a new collection of values by mapping each value in `coll` through
+ * the `iteratee` function. The `iteratee` is called with an item from `coll`
+ * and a callback for when it has finished processing. Each of these callback
+ * takes 2 arguments: an `error`, and the transformed item from `coll`. If
+ * `iteratee` passes an error to its callback, the main `callback` (for the
+ * `map` function) is immediately called with the error.
+ *
+ * Note, that since this function applies the `iteratee` to each item in
+ * parallel, there is no guarantee that the `iteratee` functions will complete
+ * in order. However, the results array will be in the same order as the
+ * original `coll`.
+ *
+ * If `map` is passed an Object, the results will be an Array.  The results
+ * will roughly be in the order of the original Objects' keys (but this can
+ * vary across JavaScript engines).
+ *
+ * @name map
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with the transformed item.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Results is an Array of the
+ * transformed items from the `coll`. Invoked with (err, results).
+ * @example
+ *
+ * async.map(['file1','file2','file3'], fs.stat, function(err, results) {
+ *     // results is now an array of stats for each file
+ * });
+ */
+exports.default = (0, _doParallel2.default)(_map2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/mapLimit.js b/web/public/node_modules/async/mapLimit.js
new file mode 100644
index 000000000..c8b60d8dc
--- /dev/null
+++ b/web/public/node_modules/async/mapLimit.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _map = require('./internal/map');
+
+var _map2 = _interopRequireDefault(_map);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`map`]{@link module:Collections.map} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name mapLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.map]{@link module:Collections.map}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with the transformed item.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Results is an array of the
+ * transformed items from the `coll`. Invoked with (err, results).
+ */
+exports.default = (0, _doParallelLimit2.default)(_map2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/mapSeries.js b/web/public/node_modules/async/mapSeries.js
new file mode 100644
index 000000000..61b42d01b
--- /dev/null
+++ b/web/public/node_modules/async/mapSeries.js
@@ -0,0 +1,36 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _mapLimit = require('./mapLimit');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`map`]{@link module:Collections.map} but runs only a single async operation at a time.
+ *
+ * @name mapSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.map]{@link module:Collections.map}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with the transformed item.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Results is an array of the
+ * transformed items from the `coll`. Invoked with (err, results).
+ */
+exports.default = (0, _doLimit2.default)(_mapLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/mapValues.js b/web/public/node_modules/async/mapValues.js
new file mode 100644
index 000000000..3d838ca1e
--- /dev/null
+++ b/web/public/node_modules/async/mapValues.js
@@ -0,0 +1,63 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _mapValuesLimit = require('./mapValuesLimit');
+
+var _mapValuesLimit2 = _interopRequireDefault(_mapValuesLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * A relative of [`map`]{@link module:Collections.map}, designed for use with objects.
+ *
+ * Produces a new Object by mapping each value of `obj` through the `iteratee`
+ * function. The `iteratee` is called each `value` and `key` from `obj` and a
+ * callback for when it has finished processing. Each of these callbacks takes
+ * two arguments: an `error`, and the transformed item from `obj`. If `iteratee`
+ * passes an error to its callback, the main `callback` (for the `mapValues`
+ * function) is immediately called with the error.
+ *
+ * Note, the order of the keys in the result is not guaranteed.  The keys will
+ * be roughly in the order they complete, (but this is very engine-specific)
+ *
+ * @name mapValues
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Object} obj - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each value and key
+ * in `coll`.
+ * The iteratee should complete with the transformed value as its result.
+ * Invoked with (value, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. `result` is a new object consisting
+ * of each key from `obj`, with each transformed value on the right-hand side.
+ * Invoked with (err, result).
+ * @example
+ *
+ * async.mapValues({
+ *     f1: 'file1',
+ *     f2: 'file2',
+ *     f3: 'file3'
+ * }, function (file, key, callback) {
+ *   fs.stat(file, callback);
+ * }, function(err, result) {
+ *     // result is now a map of stats for each file, e.g.
+ *     // {
+ *     //     f1: [stats for file1],
+ *     //     f2: [stats for file2],
+ *     //     f3: [stats for file3]
+ *     // }
+ * });
+ */
+
+exports.default = (0, _doLimit2.default)(_mapValuesLimit2.default, Infinity);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/mapValuesLimit.js b/web/public/node_modules/async/mapValuesLimit.js
new file mode 100644
index 000000000..912a8b522
--- /dev/null
+++ b/web/public/node_modules/async/mapValuesLimit.js
@@ -0,0 +1,61 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = mapValuesLimit;
+
+var _eachOfLimit = require('./eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`mapValues`]{@link module:Collections.mapValues} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name mapValuesLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.mapValues]{@link module:Collections.mapValues}
+ * @category Collection
+ * @param {Object} obj - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A function to apply to each value and key
+ * in `coll`.
+ * The iteratee should complete with the transformed value as its result.
+ * Invoked with (value, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. `result` is a new object consisting
+ * of each key from `obj`, with each transformed value on the right-hand side.
+ * Invoked with (err, result).
+ */
+function mapValuesLimit(obj, limit, iteratee, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var newObj = {};
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _eachOfLimit2.default)(obj, limit, function (val, key, next) {
+        _iteratee(val, key, function (err, result) {
+            if (err) return next(err);
+            newObj[key] = result;
+            next();
+        });
+    }, function (err) {
+        callback(err, newObj);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/mapValuesSeries.js b/web/public/node_modules/async/mapValuesSeries.js
new file mode 100644
index 000000000..b378c4a1a
--- /dev/null
+++ b/web/public/node_modules/async/mapValuesSeries.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _mapValuesLimit = require('./mapValuesLimit');
+
+var _mapValuesLimit2 = _interopRequireDefault(_mapValuesLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`mapValues`]{@link module:Collections.mapValues} but runs only a single async operation at a time.
+ *
+ * @name mapValuesSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.mapValues]{@link module:Collections.mapValues}
+ * @category Collection
+ * @param {Object} obj - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each value and key
+ * in `coll`.
+ * The iteratee should complete with the transformed value as its result.
+ * Invoked with (value, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. `result` is a new object consisting
+ * of each key from `obj`, with each transformed value on the right-hand side.
+ * Invoked with (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_mapValuesLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/memoize.js b/web/public/node_modules/async/memoize.js
new file mode 100644
index 000000000..1f2b56691
--- /dev/null
+++ b/web/public/node_modules/async/memoize.js
@@ -0,0 +1,101 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = memoize;
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _setImmediate = require('./internal/setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function has(obj, key) {
+    return key in obj;
+}
+
+/**
+ * Caches the results of an async function. When creating a hash to store
+ * function results against, the callback is omitted from the hash and an
+ * optional hash function can be used.
+ *
+ * If no hash function is specified, the first argument is used as a hash key,
+ * which may work reasonably if it is a string or a data type that converts to a
+ * distinct string. Note that objects and arrays will not behave reasonably.
+ * Neither will cases where the other arguments are significant. In such cases,
+ * specify your own hash function.
+ *
+ * The cache of results is exposed as the `memo` property of the function
+ * returned by `memoize`.
+ *
+ * @name memoize
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - The async function to proxy and cache results from.
+ * @param {Function} hasher - An optional function for generating a custom hash
+ * for storing results. It has all the arguments applied to it apart from the
+ * callback, and must be synchronous.
+ * @returns {AsyncFunction} a memoized version of `fn`
+ * @example
+ *
+ * var slow_fn = function(name, callback) {
+ *     // do something
+ *     callback(null, result);
+ * };
+ * var fn = async.memoize(slow_fn);
+ *
+ * // fn can now be used as if it were slow_fn
+ * fn('some name', function() {
+ *     // callback
+ * });
+ */
+function memoize(fn, hasher) {
+    var memo = Object.create(null);
+    var queues = Object.create(null);
+    hasher = hasher || _identity2.default;
+    var _fn = (0, _wrapAsync2.default)(fn);
+    var memoized = (0, _initialParams2.default)(function memoized(args, callback) {
+        var key = hasher.apply(null, args);
+        if (has(memo, key)) {
+            (0, _setImmediate2.default)(function () {
+                callback.apply(null, memo[key]);
+            });
+        } else if (has(queues, key)) {
+            queues[key].push(callback);
+        } else {
+            queues[key] = [callback];
+            _fn.apply(null, args.concat(function () /*args*/{
+                var args = (0, _slice2.default)(arguments);
+                memo[key] = args;
+                var q = queues[key];
+                delete queues[key];
+                for (var i = 0, l = q.length; i < l; i++) {
+                    q[i].apply(null, args);
+                }
+            }));
+        }
+    });
+    memoized.memo = memo;
+    memoized.unmemoized = fn;
+    return memoized;
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/nextTick.js b/web/public/node_modules/async/nextTick.js
new file mode 100644
index 000000000..886f58ef0
--- /dev/null
+++ b/web/public/node_modules/async/nextTick.js
@@ -0,0 +1,51 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _setImmediate = require('./internal/setImmediate');
+
+/**
+ * Calls `callback` on a later loop around the event loop. In Node.js this just
+ * calls `process.nextTick`.  In the browser it will use `setImmediate` if
+ * available, otherwise `setTimeout(callback, 0)`, which means other higher
+ * priority events may precede the execution of `callback`.
+ *
+ * This is used internally for browser-compatibility purposes.
+ *
+ * @name nextTick
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.setImmediate]{@link module:Utils.setImmediate}
+ * @category Util
+ * @param {Function} callback - The function to call on a later loop around
+ * the event loop. Invoked with (args...).
+ * @param {...*} args... - any number of additional arguments to pass to the
+ * callback on the next tick.
+ * @example
+ *
+ * var call_order = [];
+ * async.nextTick(function() {
+ *     call_order.push('two');
+ *     // call_order now equals ['one','two']
+ * });
+ * call_order.push('one');
+ *
+ * async.setImmediate(function (a, b, c) {
+ *     // a, b, and c equal 1, 2, and 3
+ * }, 1, 2, 3);
+ */
+var _defer;
+
+if (_setImmediate.hasNextTick) {
+    _defer = process.nextTick;
+} else if (_setImmediate.hasSetImmediate) {
+    _defer = setImmediate;
+} else {
+    _defer = _setImmediate.fallback;
+}
+
+exports.default = (0, _setImmediate.wrap)(_defer);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/package.json b/web/public/node_modules/async/package.json
new file mode 100644
index 000000000..76b3db737
--- /dev/null
+++ b/web/public/node_modules/async/package.json
@@ -0,0 +1,80 @@
+{
+  "name": "async",
+  "description": "Higher-order functions and common patterns for asynchronous code",
+  "version": "2.6.4",
+  "main": "dist/async.js",
+  "author": "Caolan McMahon",
+  "homepage": "https://caolan.github.io/async/",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/caolan/async.git"
+  },
+  "bugs": {
+    "url": "https://github.com/caolan/async/issues"
+  },
+  "keywords": [
+    "async",
+    "callback",
+    "module",
+    "utility"
+  ],
+  "dependencies": {
+    "lodash": "^4.17.14"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.24.0",
+    "babel-core": "^6.26.3",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-plugin-istanbul": "^2.0.1",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
+    "babel-preset-es2015": "^6.3.13",
+    "babel-preset-es2017": "^6.22.0",
+    "babelify": "^8.0.0",
+    "benchmark": "^2.1.1",
+    "bluebird": "^3.4.6",
+    "browserify": "^16.2.2",
+    "chai": "^4.1.2",
+    "cheerio": "^0.22.0",
+    "coveralls": "^3.0.1",
+    "es6-promise": "^2.3.0",
+    "eslint": "^2.13.1",
+    "fs-extra": "^0.26.7",
+    "gh-pages-deploy": "^0.5.0",
+    "jsdoc": "^3.4.0",
+    "karma": "^2.0.2",
+    "karma-browserify": "^5.2.0",
+    "karma-firefox-launcher": "^1.1.0",
+    "karma-mocha": "^1.2.0",
+    "karma-mocha-reporter": "^2.2.0",
+    "mocha": "^5.2.0",
+    "native-promise-only": "^0.8.0-a",
+    "nyc": "^11.8.0",
+    "rimraf": "^2.5.0",
+    "rollup": "^0.36.3",
+    "rollup-plugin-node-resolve": "^2.0.0",
+    "rollup-plugin-npm": "^2.0.0",
+    "rsvp": "^3.0.18",
+    "semver": "^5.5.0",
+    "uglify-js": "~2.7.3",
+    "yargs": "^11.0.0"
+  },
+  "scripts": {
+    "coverage": "nyc npm run mocha-node-test -- --grep @nycinvalid --invert",
+    "coveralls": "npm run coverage && nyc report --reporter=text-lcov | coveralls",
+    "jsdoc": "jsdoc -c ./support/jsdoc/jsdoc.json && node support/jsdoc/jsdoc-fix-html.js",
+    "lint": "eslint lib/ mocha_test/ perf/memory.js perf/suites.js perf/benchmark.js support/build/ support/*.js karma.conf.js",
+    "mocha-browser-test": "karma start",
+    "mocha-node-test": "mocha mocha_test/ --compilers js:babel-core/register",
+    "mocha-test": "npm run mocha-node-test && npm run mocha-browser-test",
+    "test": "npm run lint && npm run mocha-node-test"
+  },
+  "license": "MIT",
+  "gh-pages-deploy": {
+    "staticpath": "docs"
+  },
+  "nyc": {
+    "exclude": [
+      "mocha_test"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/async/parallel.js b/web/public/node_modules/async/parallel.js
new file mode 100644
index 000000000..da28a4def
--- /dev/null
+++ b/web/public/node_modules/async/parallel.js
@@ -0,0 +1,90 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = parallelLimit;
+
+var _eachOf = require('./eachOf');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _parallel = require('./internal/parallel');
+
+var _parallel2 = _interopRequireDefault(_parallel);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Run the `tasks` collection of functions in parallel, without waiting until
+ * the previous function has completed. If any of the functions pass an error to
+ * its callback, the main `callback` is immediately called with the value of the
+ * error. Once the `tasks` have completed, the results are passed to the final
+ * `callback` as an array.
+ *
+ * **Note:** `parallel` is about kicking-off I/O tasks in parallel, not about
+ * parallel execution of code.  If your tasks do not use any timers or perform
+ * any I/O, they will actually be executed in series.  Any synchronous setup
+ * sections for each task will happen one after the other.  JavaScript remains
+ * single-threaded.
+ *
+ * **Hint:** Use [`reflect`]{@link module:Utils.reflect} to continue the
+ * execution of other tasks when a task fails.
+ *
+ * It is also possible to use an object instead of an array. Each property will
+ * be run as a function and the results will be passed to the final `callback`
+ * as an object instead of an array. This can be a more readable way of handling
+ * results from {@link async.parallel}.
+ *
+ * @name parallel
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection of
+ * [async functions]{@link AsyncFunction} to run.
+ * Each async function can complete with any number of optional `result` values.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed successfully. This function gets a results array
+ * (or object) containing all the result arguments passed to the task callbacks.
+ * Invoked with (err, results).
+ *
+ * @example
+ * async.parallel([
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'two');
+ *         }, 100);
+ *     }
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     // the results array will equal ['one','two'] even though
+ *     // the second function had a shorter timeout.
+ * });
+ *
+ * // an example using an object instead of an array
+ * async.parallel({
+ *     one: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 1);
+ *         }, 200);
+ *     },
+ *     two: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 2);
+ *         }, 100);
+ *     }
+ * }, function(err, results) {
+ *     // results is now equals to: {one: 1, two: 2}
+ * });
+ */
+function parallelLimit(tasks, callback) {
+  (0, _parallel2.default)(_eachOf2.default, tasks, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/parallelLimit.js b/web/public/node_modules/async/parallelLimit.js
new file mode 100644
index 000000000..a026526f4
--- /dev/null
+++ b/web/public/node_modules/async/parallelLimit.js
@@ -0,0 +1,40 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = parallelLimit;
+
+var _eachOfLimit = require('./internal/eachOfLimit');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _parallel = require('./internal/parallel');
+
+var _parallel2 = _interopRequireDefault(_parallel);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`parallel`]{@link module:ControlFlow.parallel} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name parallelLimit
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.parallel]{@link module:ControlFlow.parallel}
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection of
+ * [async functions]{@link AsyncFunction} to run.
+ * Each async function can complete with any number of optional `result` values.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed successfully. This function gets a results array
+ * (or object) containing all the result arguments passed to the task callbacks.
+ * Invoked with (err, results).
+ */
+function parallelLimit(tasks, limit, callback) {
+  (0, _parallel2.default)((0, _eachOfLimit2.default)(limit), tasks, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/priorityQueue.js b/web/public/node_modules/async/priorityQueue.js
new file mode 100644
index 000000000..3a5f023e5
--- /dev/null
+++ b/web/public/node_modules/async/priorityQueue.js
@@ -0,0 +1,98 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (worker, concurrency) {
+    // Start with a normal queue
+    var q = (0, _queue2.default)(worker, concurrency);
+
+    // Override push to accept second parameter representing priority
+    q.push = function (data, priority, callback) {
+        if (callback == null) callback = _noop2.default;
+        if (typeof callback !== 'function') {
+            throw new Error('task callback must be a function');
+        }
+        q.started = true;
+        if (!(0, _isArray2.default)(data)) {
+            data = [data];
+        }
+        if (data.length === 0) {
+            // call drain immediately if there are no tasks
+            return (0, _setImmediate2.default)(function () {
+                q.drain();
+            });
+        }
+
+        priority = priority || 0;
+        var nextNode = q._tasks.head;
+        while (nextNode && priority >= nextNode.priority) {
+            nextNode = nextNode.next;
+        }
+
+        for (var i = 0, l = data.length; i < l; i++) {
+            var item = {
+                data: data[i],
+                priority: priority,
+                callback: callback
+            };
+
+            if (nextNode) {
+                q._tasks.insertBefore(nextNode, item);
+            } else {
+                q._tasks.push(item);
+            }
+        }
+        (0, _setImmediate2.default)(q.process);
+    };
+
+    // Remove unshift function
+    delete q.unshift;
+
+    return q;
+};
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _setImmediate = require('./setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _queue = require('./queue');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
+
+/**
+ * The same as [async.queue]{@link module:ControlFlow.queue} only tasks are assigned a priority and
+ * completed in ascending priority order.
+ *
+ * @name priorityQueue
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.queue]{@link module:ControlFlow.queue}
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An async function for processing a queued task.
+ * If you want to handle errors from an individual task, pass a callback to
+ * `q.push()`.
+ * Invoked with (task, callback).
+ * @param {number} concurrency - An `integer` for determining how many `worker`
+ * functions should be run in parallel.  If omitted, the concurrency defaults to
+ * `1`.  If the concurrency is `0`, an error is thrown.
+ * @returns {module:ControlFlow.QueueObject} A priorityQueue object to manage the tasks. There are two
+ * differences between `queue` and `priorityQueue` objects:
+ * * `push(task, priority, [callback])` - `priority` should be a number. If an
+ *   array of `tasks` is given, all tasks will be assigned the same priority.
+ * * The `unshift` method was removed.
+ */
\ No newline at end of file
diff --git a/web/public/node_modules/async/queue.js b/web/public/node_modules/async/queue.js
new file mode 100644
index 000000000..0ca8ba2bb
--- /dev/null
+++ b/web/public/node_modules/async/queue.js
@@ -0,0 +1,130 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function (worker, concurrency) {
+  var _worker = (0, _wrapAsync2.default)(worker);
+  return (0, _queue2.default)(function (items, cb) {
+    _worker(items[0], cb);
+  }, concurrency, 1);
+};
+
+var _queue = require('./internal/queue');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
+
+/**
+ * A queue of tasks for the worker function to complete.
+ * @typedef {Object} QueueObject
+ * @memberOf module:ControlFlow
+ * @property {Function} length - a function returning the number of items
+ * waiting to be processed. Invoke with `queue.length()`.
+ * @property {boolean} started - a boolean indicating whether or not any
+ * items have been pushed and processed by the queue.
+ * @property {Function} running - a function returning the number of items
+ * currently being processed. Invoke with `queue.running()`.
+ * @property {Function} workersList - a function returning the array of items
+ * currently being processed. Invoke with `queue.workersList()`.
+ * @property {Function} idle - a function returning false if there are items
+ * waiting or being processed, or true if not. Invoke with `queue.idle()`.
+ * @property {number} concurrency - an integer for determining how many `worker`
+ * functions should be run in parallel. This property can be changed after a
+ * `queue` is created to alter the concurrency on-the-fly.
+ * @property {Function} push - add a new task to the `queue`. Calls `callback`
+ * once the `worker` has finished processing the task. Instead of a single task,
+ * a `tasks` array can be submitted. The respective callback is used for every
+ * task in the list. Invoke with `queue.push(task, [callback])`,
+ * @property {Function} unshift - add a new task to the front of the `queue`.
+ * Invoke with `queue.unshift(task, [callback])`.
+ * @property {Function} remove - remove items from the queue that match a test
+ * function.  The test function will be passed an object with a `data` property,
+ * and a `priority` property, if this is a
+ * [priorityQueue]{@link module:ControlFlow.priorityQueue} object.
+ * Invoked with `queue.remove(testFn)`, where `testFn` is of the form
+ * `function ({data, priority}) {}` and returns a Boolean.
+ * @property {Function} saturated - a callback that is called when the number of
+ * running workers hits the `concurrency` limit, and further tasks will be
+ * queued.
+ * @property {Function} unsaturated - a callback that is called when the number
+ * of running workers is less than the `concurrency` & `buffer` limits, and
+ * further tasks will not be queued.
+ * @property {number} buffer - A minimum threshold buffer in order to say that
+ * the `queue` is `unsaturated`.
+ * @property {Function} empty - a callback that is called when the last item
+ * from the `queue` is given to a `worker`.
+ * @property {Function} drain - a callback that is called when the last item
+ * from the `queue` has returned from the `worker`.
+ * @property {Function} error - a callback that is called when a task errors.
+ * Has the signature `function(error, task)`.
+ * @property {boolean} paused - a boolean for determining whether the queue is
+ * in a paused state.
+ * @property {Function} pause - a function that pauses the processing of tasks
+ * until `resume()` is called. Invoke with `queue.pause()`.
+ * @property {Function} resume - a function that resumes the processing of
+ * queued tasks when the queue is paused. Invoke with `queue.resume()`.
+ * @property {Function} kill - a function that removes the `drain` callback and
+ * empties remaining tasks from the queue forcing it to go idle. No more tasks
+ * should be pushed to the queue after calling this function. Invoke with `queue.kill()`.
+ */
+
+/**
+ * Creates a `queue` object with the specified `concurrency`. Tasks added to the
+ * `queue` are processed in parallel (up to the `concurrency` limit). If all
+ * `worker`s are in progress, the task is queued until one becomes available.
+ * Once a `worker` completes a `task`, that `task`'s callback is called.
+ *
+ * @name queue
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An async function for processing a queued task.
+ * If you want to handle errors from an individual task, pass a callback to
+ * `q.push()`. Invoked with (task, callback).
+ * @param {number} [concurrency=1] - An `integer` for determining how many
+ * `worker` functions should be run in parallel.  If omitted, the concurrency
+ * defaults to `1`.  If the concurrency is `0`, an error is thrown.
+ * @returns {module:ControlFlow.QueueObject} A queue object to manage the tasks. Callbacks can
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the queue.
+ * @example
+ *
+ * // create a queue object with concurrency 2
+ * var q = async.queue(function(task, callback) {
+ *     console.log('hello ' + task.name);
+ *     callback();
+ * }, 2);
+ *
+ * // assign a callback
+ * q.drain = function() {
+ *     console.log('all items have been processed');
+ * };
+ *
+ * // add some items to the queue
+ * q.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * q.push({name: 'bar'}, function (err) {
+ *     console.log('finished processing bar');
+ * });
+ *
+ * // add some items to the queue (batch-wise)
+ * q.push([{name: 'baz'},{name: 'bay'},{name: 'bax'}], function(err) {
+ *     console.log('finished processing item');
+ * });
+ *
+ * // add some items to the front of the queue
+ * q.unshift({name: 'bar'}, function (err) {
+ *     console.log('finished processing bar');
+ * });
+ */
\ No newline at end of file
diff --git a/web/public/node_modules/async/race.js b/web/public/node_modules/async/race.js
new file mode 100644
index 000000000..6713c74af
--- /dev/null
+++ b/web/public/node_modules/async/race.js
@@ -0,0 +1,70 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = race;
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Runs the `tasks` array of functions in parallel, without waiting until the
+ * previous function has completed. Once any of the `tasks` complete or pass an
+ * error to its callback, the main `callback` is immediately called. It's
+ * equivalent to `Promise.race()`.
+ *
+ * @name race
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array} tasks - An array containing [async functions]{@link AsyncFunction}
+ * to run. Each function can complete with an optional `result` value.
+ * @param {Function} callback - A callback to run once any of the functions have
+ * completed. This function gets an error or result from the first function that
+ * completed. Invoked with (err, result).
+ * @returns undefined
+ * @example
+ *
+ * async.race([
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'two');
+ *         }, 100);
+ *     }
+ * ],
+ * // main callback
+ * function(err, result) {
+ *     // the result will be equal to 'two' as it finishes earlier
+ * });
+ */
+function race(tasks, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    if (!(0, _isArray2.default)(tasks)) return callback(new TypeError('First argument to race must be an array of functions'));
+    if (!tasks.length) return callback();
+    for (var i = 0, l = tasks.length; i < l; i++) {
+        (0, _wrapAsync2.default)(tasks[i])(callback);
+    }
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/reduce.js b/web/public/node_modules/async/reduce.js
new file mode 100644
index 000000000..3fb8019e4
--- /dev/null
+++ b/web/public/node_modules/async/reduce.js
@@ -0,0 +1,78 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reduce;
+
+var _eachOfSeries = require('./eachOfSeries');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Reduces `coll` into a single value using an async `iteratee` to return each
+ * successive step. `memo` is the initial state of the reduction. This function
+ * only operates in series.
+ *
+ * For performance reasons, it may make sense to split a call to this function
+ * into a parallel map, and then use the normal `Array.prototype.reduce` on the
+ * results. This function is for situations where each step in the reduction
+ * needs to be async; if you can get the data before reducing it, then it's
+ * probably a good idea to do so.
+ *
+ * @name reduce
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias inject
+ * @alias foldl
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ * @example
+ *
+ * async.reduce([1,2,3], 0, function(memo, item, callback) {
+ *     // pointless async:
+ *     process.nextTick(function() {
+ *         callback(null, memo + item)
+ *     });
+ * }, function(err, result) {
+ *     // result is now equal to the last value of memo, which is 6
+ * });
+ */
+function reduce(coll, memo, iteratee, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _eachOfSeries2.default)(coll, function (x, i, callback) {
+        _iteratee(memo, x, function (err, v) {
+            memo = v;
+            callback(err);
+        });
+    }, function (err) {
+        callback(err, memo);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/reduceRight.js b/web/public/node_modules/async/reduceRight.js
new file mode 100644
index 000000000..3d17d328a
--- /dev/null
+++ b/web/public/node_modules/async/reduceRight.js
@@ -0,0 +1,44 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = reduceRight;
+
+var _reduce = require('./reduce');
+
+var _reduce2 = _interopRequireDefault(_reduce);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order.
+ *
+ * @name reduceRight
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reduce]{@link module:Collections.reduce}
+ * @alias foldr
+ * @category Collection
+ * @param {Array} array - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee complete with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ */
+function reduceRight(array, memo, iteratee, callback) {
+  var reversed = (0, _slice2.default)(array).reverse();
+  (0, _reduce2.default)(reversed, memo, iteratee, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/reflect.js b/web/public/node_modules/async/reflect.js
new file mode 100644
index 000000000..098ba8650
--- /dev/null
+++ b/web/public/node_modules/async/reflect.js
@@ -0,0 +1,81 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reflect;
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Wraps the async function in another function that always completes with a
+ * result object, even when it errors.
+ *
+ * The result object has either the property `error` or `value`.
+ *
+ * @name reflect
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - The async function you want to wrap
+ * @returns {Function} - A function that always passes null to it's callback as
+ * the error. The second argument to the callback will be an `object` with
+ * either an `error` or a `value` property.
+ * @example
+ *
+ * async.parallel([
+ *     async.reflect(function(callback) {
+ *         // do some stuff ...
+ *         callback(null, 'one');
+ *     }),
+ *     async.reflect(function(callback) {
+ *         // do some more stuff but error ...
+ *         callback('bad stuff happened');
+ *     }),
+ *     async.reflect(function(callback) {
+ *         // do some more stuff ...
+ *         callback(null, 'two');
+ *     })
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     // values
+ *     // results[0].value = 'one'
+ *     // results[1].error = 'bad stuff happened'
+ *     // results[2].value = 'two'
+ * });
+ */
+function reflect(fn) {
+    var _fn = (0, _wrapAsync2.default)(fn);
+    return (0, _initialParams2.default)(function reflectOn(args, reflectCallback) {
+        args.push(function callback(error, cbArg) {
+            if (error) {
+                reflectCallback(null, { error: error });
+            } else {
+                var value;
+                if (arguments.length <= 2) {
+                    value = cbArg;
+                } else {
+                    value = (0, _slice2.default)(arguments, 1);
+                }
+                reflectCallback(null, { value: value });
+            }
+        });
+
+        return _fn.apply(this, args);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/reflectAll.js b/web/public/node_modules/async/reflectAll.js
new file mode 100644
index 000000000..966e83de5
--- /dev/null
+++ b/web/public/node_modules/async/reflectAll.js
@@ -0,0 +1,105 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reflectAll;
+
+var _reflect = require('./reflect');
+
+var _reflect2 = _interopRequireDefault(_reflect);
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _arrayMap2 = require('lodash/_arrayMap');
+
+var _arrayMap3 = _interopRequireDefault(_arrayMap2);
+
+var _baseForOwn = require('lodash/_baseForOwn');
+
+var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * A helper function that wraps an array or an object of functions with `reflect`.
+ *
+ * @name reflectAll
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.reflect]{@link module:Utils.reflect}
+ * @category Util
+ * @param {Array|Object|Iterable} tasks - The collection of
+ * [async functions]{@link AsyncFunction} to wrap in `async.reflect`.
+ * @returns {Array} Returns an array of async functions, each wrapped in
+ * `async.reflect`
+ * @example
+ *
+ * let tasks = [
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     function(callback) {
+ *         // do some more stuff but error ...
+ *         callback(new Error('bad stuff happened'));
+ *     },
+ *     function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'two');
+ *         }, 100);
+ *     }
+ * ];
+ *
+ * async.parallel(async.reflectAll(tasks),
+ * // optional callback
+ * function(err, results) {
+ *     // values
+ *     // results[0].value = 'one'
+ *     // results[1].error = Error('bad stuff happened')
+ *     // results[2].value = 'two'
+ * });
+ *
+ * // an example using an object instead of an array
+ * let tasks = {
+ *     one: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'one');
+ *         }, 200);
+ *     },
+ *     two: function(callback) {
+ *         callback('two');
+ *     },
+ *     three: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 'three');
+ *         }, 100);
+ *     }
+ * };
+ *
+ * async.parallel(async.reflectAll(tasks),
+ * // optional callback
+ * function(err, results) {
+ *     // values
+ *     // results.one.value = 'one'
+ *     // results.two.error = 'two'
+ *     // results.three.value = 'three'
+ * });
+ */
+function reflectAll(tasks) {
+    var results;
+    if ((0, _isArray2.default)(tasks)) {
+        results = (0, _arrayMap3.default)(tasks, _reflect2.default);
+    } else {
+        results = {};
+        (0, _baseForOwn2.default)(tasks, function (task, key) {
+            results[key] = _reflect2.default.call(this, task);
+        });
+    }
+    return results;
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/reject.js b/web/public/node_modules/async/reject.js
new file mode 100644
index 000000000..53802b531
--- /dev/null
+++ b/web/public/node_modules/async/reject.js
@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _reject = require('./internal/reject');
+
+var _reject2 = _interopRequireDefault(_reject);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The opposite of [`filter`]{@link module:Collections.filter}. Removes values that pass an `async` truth test.
+ *
+ * @name reject
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - An async truth test to apply to each item in
+ * `coll`.
+ * The should complete with a boolean value as its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @example
+ *
+ * async.reject(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, results) {
+ *     // results now equals an array of missing files
+ *     createFiles(results);
+ * });
+ */
+exports.default = (0, _doParallel2.default)(_reject2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/rejectLimit.js b/web/public/node_modules/async/rejectLimit.js
new file mode 100644
index 000000000..74bba7fba
--- /dev/null
+++ b/web/public/node_modules/async/rejectLimit.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _reject = require('./internal/reject');
+
+var _reject2 = _interopRequireDefault(_reject);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`reject`]{@link module:Collections.reject} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name rejectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reject]{@link module:Collections.reject}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} iteratee - An async truth test to apply to each item in
+ * `coll`.
+ * The should complete with a boolean value as its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+exports.default = (0, _doParallelLimit2.default)(_reject2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/rejectSeries.js b/web/public/node_modules/async/rejectSeries.js
new file mode 100644
index 000000000..f905588f4
--- /dev/null
+++ b/web/public/node_modules/async/rejectSeries.js
@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _rejectLimit = require('./rejectLimit');
+
+var _rejectLimit2 = _interopRequireDefault(_rejectLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`reject`]{@link module:Collections.reject} but runs only a single async operation at a time.
+ *
+ * @name rejectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reject]{@link module:Collections.reject}
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - An async truth test to apply to each item in
+ * `coll`.
+ * The should complete with a boolean value as its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+exports.default = (0, _doLimit2.default)(_rejectLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/retry.js b/web/public/node_modules/async/retry.js
new file mode 100644
index 000000000..6a1aa1ec8
--- /dev/null
+++ b/web/public/node_modules/async/retry.js
@@ -0,0 +1,156 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = retry;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _constant = require('lodash/constant');
+
+var _constant2 = _interopRequireDefault(_constant);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Attempts to get a successful response from `task` no more than `times` times
+ * before returning an error. If the task is successful, the `callback` will be
+ * passed the result of the successful task. If all attempts fail, the callback
+ * will be passed the error and result (if any) of the final attempt.
+ *
+ * @name retry
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @see [async.retryable]{@link module:ControlFlow.retryable}
+ * @param {Object|number} [opts = {times: 5, interval: 0}| 5] - Can be either an
+ * object with `times` and `interval` or a number.
+ * * `times` - The number of attempts to make before giving up.  The default
+ *   is `5`.
+ * * `interval` - The time to wait between retries, in milliseconds.  The
+ *   default is `0`. The interval may also be specified as a function of the
+ *   retry count (see example).
+ * * `errorFilter` - An optional synchronous function that is invoked on
+ *   erroneous result. If it returns `true` the retry attempts will continue;
+ *   if the function returns `false` the retry flow is aborted with the current
+ *   attempt's error and result being returned to the final callback.
+ *   Invoked with (err).
+ * * If `opts` is a number, the number specifies the number of times to retry,
+ *   with the default interval of `0`.
+ * @param {AsyncFunction} task - An async function to retry.
+ * Invoked with (callback).
+ * @param {Function} [callback] - An optional callback which is called when the
+ * task has succeeded, or after the final failed attempt. It receives the `err`
+ * and `result` arguments of the last attempt at completing the `task`. Invoked
+ * with (err, results).
+ *
+ * @example
+ *
+ * // The `retry` function can be used as a stand-alone control flow by passing
+ * // a callback, as shown below:
+ *
+ * // try calling apiMethod 3 times
+ * async.retry(3, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod 3 times, waiting 200 ms between each retry
+ * async.retry({times: 3, interval: 200}, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod 10 times with exponential backoff
+ * // (i.e. intervals of 100, 200, 400, 800, 1600, ... milliseconds)
+ * async.retry({
+ *   times: 10,
+ *   interval: function(retryCount) {
+ *     return 50 * Math.pow(2, retryCount);
+ *   }
+ * }, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod the default 5 times no delay between each retry
+ * async.retry(apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // try calling apiMethod only when error condition satisfies, all other
+ * // errors will abort the retry control flow and return to final callback
+ * async.retry({
+ *   errorFilter: function(err) {
+ *     return err.message === 'Temporary error'; // only retry on a specific error
+ *   }
+ * }, apiMethod, function(err, result) {
+ *     // do something with the result
+ * });
+ *
+ * // to retry individual methods that are not as reliable within other
+ * // control flow functions, use the `retryable` wrapper:
+ * async.auto({
+ *     users: api.getUsers.bind(api),
+ *     payments: async.retryable(3, api.getPayments.bind(api))
+ * }, function(err, results) {
+ *     // do something with the results
+ * });
+ *
+ */
+function retry(opts, task, callback) {
+    var DEFAULT_TIMES = 5;
+    var DEFAULT_INTERVAL = 0;
+
+    var options = {
+        times: DEFAULT_TIMES,
+        intervalFunc: (0, _constant2.default)(DEFAULT_INTERVAL)
+    };
+
+    function parseTimes(acc, t) {
+        if (typeof t === 'object') {
+            acc.times = +t.times || DEFAULT_TIMES;
+
+            acc.intervalFunc = typeof t.interval === 'function' ? t.interval : (0, _constant2.default)(+t.interval || DEFAULT_INTERVAL);
+
+            acc.errorFilter = t.errorFilter;
+        } else if (typeof t === 'number' || typeof t === 'string') {
+            acc.times = +t || DEFAULT_TIMES;
+        } else {
+            throw new Error("Invalid arguments for async.retry");
+        }
+    }
+
+    if (arguments.length < 3 && typeof opts === 'function') {
+        callback = task || _noop2.default;
+        task = opts;
+    } else {
+        parseTimes(options, opts);
+        callback = callback || _noop2.default;
+    }
+
+    if (typeof task !== 'function') {
+        throw new Error("Invalid arguments for async.retry");
+    }
+
+    var _task = (0, _wrapAsync2.default)(task);
+
+    var attempt = 1;
+    function retryAttempt() {
+        _task(function (err) {
+            if (err && attempt++ < options.times && (typeof options.errorFilter != 'function' || options.errorFilter(err))) {
+                setTimeout(retryAttempt, options.intervalFunc(attempt));
+            } else {
+                callback.apply(null, arguments);
+            }
+        });
+    }
+
+    retryAttempt();
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/retryable.js b/web/public/node_modules/async/retryable.js
new file mode 100644
index 000000000..002bfb0f0
--- /dev/null
+++ b/web/public/node_modules/async/retryable.js
@@ -0,0 +1,65 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (opts, task) {
+    if (!task) {
+        task = opts;
+        opts = null;
+    }
+    var _task = (0, _wrapAsync2.default)(task);
+    return (0, _initialParams2.default)(function (args, callback) {
+        function taskFn(cb) {
+            _task.apply(null, args.concat(cb));
+        }
+
+        if (opts) (0, _retry2.default)(opts, taskFn, callback);else (0, _retry2.default)(taskFn, callback);
+    });
+};
+
+var _retry = require('./retry');
+
+var _retry2 = _interopRequireDefault(_retry);
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
+
+/**
+ * A close relative of [`retry`]{@link module:ControlFlow.retry}.  This method
+ * wraps a task and makes it retryable, rather than immediately calling it
+ * with retries.
+ *
+ * @name retryable
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.retry]{@link module:ControlFlow.retry}
+ * @category Control Flow
+ * @param {Object|number} [opts = {times: 5, interval: 0}| 5] - optional
+ * options, exactly the same as from `retry`
+ * @param {AsyncFunction} task - the asynchronous function to wrap.
+ * This function will be passed any arguments passed to the returned wrapper.
+ * Invoked with (...args, callback).
+ * @returns {AsyncFunction} The wrapped function, which when invoked, will
+ * retry on an error, based on the parameters specified in `opts`.
+ * This function will accept the same parameters as `task`.
+ * @example
+ *
+ * async.auto({
+ *     dep1: async.retryable(3, getFromFlakyService),
+ *     process: ["dep1", async.retryable(3, function (results, cb) {
+ *         maybeProcessData(results.dep1, cb);
+ *     })]
+ * }, callback);
+ */
\ No newline at end of file
diff --git a/web/public/node_modules/async/select.js b/web/public/node_modules/async/select.js
new file mode 100644
index 000000000..54772d562
--- /dev/null
+++ b/web/public/node_modules/async/select.js
@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _filter = require('./internal/filter');
+
+var _filter2 = _interopRequireDefault(_filter);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns a new array of all the values in `coll` which pass an async truth
+ * test. This operation is performed in parallel, but the results array will be
+ * in the same order as the original.
+ *
+ * @name filter
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias select
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @example
+ *
+ * async.filter(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, results) {
+ *     // results now equals an array of the existing files
+ * });
+ */
+exports.default = (0, _doParallel2.default)(_filter2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/selectLimit.js b/web/public/node_modules/async/selectLimit.js
new file mode 100644
index 000000000..06216f785
--- /dev/null
+++ b/web/public/node_modules/async/selectLimit.js
@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _filter = require('./internal/filter');
+
+var _filter2 = _interopRequireDefault(_filter);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name filterLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ */
+exports.default = (0, _doParallelLimit2.default)(_filter2.default);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/selectSeries.js b/web/public/node_modules/async/selectSeries.js
new file mode 100644
index 000000000..e48d966cb
--- /dev/null
+++ b/web/public/node_modules/async/selectSeries.js
@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _filterLimit = require('./filterLimit');
+
+var _filterLimit2 = _interopRequireDefault(_filterLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs only a single async operation at a time.
+ *
+ * @name filterSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectSeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results)
+ */
+exports.default = (0, _doLimit2.default)(_filterLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/seq.js b/web/public/node_modules/async/seq.js
new file mode 100644
index 000000000..ff86ef92d
--- /dev/null
+++ b/web/public/node_modules/async/seq.js
@@ -0,0 +1,91 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = seq;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _reduce = require('./reduce');
+
+var _reduce2 = _interopRequireDefault(_reduce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _arrayMap = require('lodash/_arrayMap');
+
+var _arrayMap2 = _interopRequireDefault(_arrayMap);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Version of the compose function that is more natural to read. Each function
+ * consumes the return value of the previous function. It is the equivalent of
+ * [compose]{@link module:ControlFlow.compose} with the arguments reversed.
+ *
+ * Each function is executed with the `this` binding of the composed function.
+ *
+ * @name seq
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.compose]{@link module:ControlFlow.compose}
+ * @category Control Flow
+ * @param {...AsyncFunction} functions - the asynchronous functions to compose
+ * @returns {Function} a function that composes the `functions` in order
+ * @example
+ *
+ * // Requires lodash (or underscore), express3 and dresende's orm2.
+ * // Part of an app, that fetches cats of the logged user.
+ * // This example uses `seq` function to avoid overnesting and error
+ * // handling clutter.
+ * app.get('/cats', function(request, response) {
+ *     var User = request.models.User;
+ *     async.seq(
+ *         _.bind(User.get, User),  // 'User.get' has signature (id, callback(err, data))
+ *         function(user, fn) {
+ *             user.getCats(fn);      // 'getCats' has signature (callback(err, data))
+ *         }
+ *     )(req.session.user_id, function (err, cats) {
+ *         if (err) {
+ *             console.error(err);
+ *             response.json({ status: 'error', message: err.message });
+ *         } else {
+ *             response.json({ status: 'ok', message: 'Cats found', data: cats });
+ *         }
+ *     });
+ * });
+ */
+function seq() /*...functions*/{
+    var _functions = (0, _arrayMap2.default)(arguments, _wrapAsync2.default);
+    return function () /*...args*/{
+        var args = (0, _slice2.default)(arguments);
+        var that = this;
+
+        var cb = args[args.length - 1];
+        if (typeof cb == 'function') {
+            args.pop();
+        } else {
+            cb = _noop2.default;
+        }
+
+        (0, _reduce2.default)(_functions, args, function (newargs, fn, cb) {
+            fn.apply(that, newargs.concat(function (err /*, ...nextargs*/) {
+                var nextargs = (0, _slice2.default)(arguments, 1);
+                cb(err, nextargs);
+            }));
+        }, function (err, results) {
+            cb.apply(that, [err].concat(results));
+        });
+    };
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/series.js b/web/public/node_modules/async/series.js
new file mode 100644
index 000000000..e8c292816
--- /dev/null
+++ b/web/public/node_modules/async/series.js
@@ -0,0 +1,85 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = series;
+
+var _parallel = require('./internal/parallel');
+
+var _parallel2 = _interopRequireDefault(_parallel);
+
+var _eachOfSeries = require('./eachOfSeries');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Run the functions in the `tasks` collection in series, each one running once
+ * the previous function has completed. If any functions in the series pass an
+ * error to its callback, no more functions are run, and `callback` is
+ * immediately called with the value of the error. Otherwise, `callback`
+ * receives an array of results when `tasks` have completed.
+ *
+ * It is also possible to use an object instead of an array. Each property will
+ * be run as a function, and the results will be passed to the final `callback`
+ * as an object instead of an array. This can be a more readable way of handling
+ *  results from {@link async.series}.
+ *
+ * **Note** that while many implementations preserve the order of object
+ * properties, the [ECMAScript Language Specification](http://www.ecma-international.org/ecma-262/5.1/#sec-8.6)
+ * explicitly states that
+ *
+ * > The mechanics and order of enumerating the properties is not specified.
+ *
+ * So if you rely on the order in which your series of functions are executed,
+ * and want this to work on all platforms, consider using an array.
+ *
+ * @name series
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection containing
+ * [async functions]{@link AsyncFunction} to run in series.
+ * Each function can complete with any number of optional `result` values.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed. This function gets a results array (or object)
+ * containing all the result arguments passed to the `task` callbacks. Invoked
+ * with (err, result).
+ * @example
+ * async.series([
+ *     function(callback) {
+ *         // do some stuff ...
+ *         callback(null, 'one');
+ *     },
+ *     function(callback) {
+ *         // do some more stuff ...
+ *         callback(null, 'two');
+ *     }
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     // results is now equal to ['one', 'two']
+ * });
+ *
+ * async.series({
+ *     one: function(callback) {
+ *         setTimeout(function() {
+ *             callback(null, 1);
+ *         }, 200);
+ *     },
+ *     two: function(callback){
+ *         setTimeout(function() {
+ *             callback(null, 2);
+ *         }, 100);
+ *     }
+ * }, function(err, results) {
+ *     // results is now equal to: {one: 1, two: 2}
+ * });
+ */
+function series(tasks, callback) {
+  (0, _parallel2.default)(_eachOfSeries2.default, tasks, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/setImmediate.js b/web/public/node_modules/async/setImmediate.js
new file mode 100644
index 000000000..e52f7c54b
--- /dev/null
+++ b/web/public/node_modules/async/setImmediate.js
@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _setImmediate = require('./internal/setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Calls `callback` on a later loop around the event loop. In Node.js this just
+ * calls `setImmediate`.  In the browser it will use `setImmediate` if
+ * available, otherwise `setTimeout(callback, 0)`, which means other higher
+ * priority events may precede the execution of `callback`.
+ *
+ * This is used internally for browser-compatibility purposes.
+ *
+ * @name setImmediate
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.nextTick]{@link module:Utils.nextTick}
+ * @category Util
+ * @param {Function} callback - The function to call on a later loop around
+ * the event loop. Invoked with (args...).
+ * @param {...*} args... - any number of additional arguments to pass to the
+ * callback on the next tick.
+ * @example
+ *
+ * var call_order = [];
+ * async.nextTick(function() {
+ *     call_order.push('two');
+ *     // call_order now equals ['one','two']
+ * });
+ * call_order.push('one');
+ *
+ * async.setImmediate(function (a, b, c) {
+ *     // a, b, and c equal 1, 2, and 3
+ * }, 1, 2, 3);
+ */
+exports.default = _setImmediate2.default;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/some.js b/web/public/node_modules/async/some.js
new file mode 100644
index 000000000..a8e70f714
--- /dev/null
+++ b/web/public/node_modules/async/some.js
@@ -0,0 +1,52 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallel = require('./internal/doParallel');
+
+var _doParallel2 = _interopRequireDefault(_doParallel);
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if at least one element in the `coll` satisfies an async test.
+ * If any iteratee call returns `true`, the main `callback` is immediately
+ * called.
+ *
+ * @name some
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias any
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ * @example
+ *
+ * async.some(['file1','file2','file3'], function(filePath, callback) {
+ *     fs.access(filePath, function(err) {
+ *         callback(null, !err)
+ *     });
+ * }, function(err, result) {
+ *     // if result is true then at least one of the files exists
+ * });
+ */
+exports.default = (0, _doParallel2.default)((0, _createTester2.default)(Boolean, _identity2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/someLimit.js b/web/public/node_modules/async/someLimit.js
new file mode 100644
index 000000000..24ca3f491
--- /dev/null
+++ b/web/public/node_modules/async/someLimit.js
@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createTester = require('./internal/createTester');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _doParallelLimit = require('./internal/doParallelLimit');
+
+var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
+
+var _identity = require('lodash/identity');
+
+var _identity2 = _interopRequireDefault(_identity);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name someLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anyLimit
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ */
+exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(Boolean, _identity2.default));
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/someSeries.js b/web/public/node_modules/async/someSeries.js
new file mode 100644
index 000000000..dc24ed254
--- /dev/null
+++ b/web/public/node_modules/async/someSeries.js
@@ -0,0 +1,38 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _someLimit = require('./someLimit');
+
+var _someLimit2 = _interopRequireDefault(_someLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs only a single async operation at a time.
+ *
+ * @name someSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anySeries
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in series.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ */
+exports.default = (0, _doLimit2.default)(_someLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/sortBy.js b/web/public/node_modules/async/sortBy.js
new file mode 100644
index 000000000..ee5e93dc0
--- /dev/null
+++ b/web/public/node_modules/async/sortBy.js
@@ -0,0 +1,91 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = sortBy;
+
+var _arrayMap = require('lodash/_arrayMap');
+
+var _arrayMap2 = _interopRequireDefault(_arrayMap);
+
+var _baseProperty = require('lodash/_baseProperty');
+
+var _baseProperty2 = _interopRequireDefault(_baseProperty);
+
+var _map = require('./map');
+
+var _map2 = _interopRequireDefault(_map);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Sorts a list by the results of running each `coll` value through an async
+ * `iteratee`.
+ *
+ * @name sortBy
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a value to use as the sort criteria as
+ * its `result`.
+ * Invoked with (item, callback).
+ * @param {Function} callback - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is the items
+ * from the original `coll` sorted by the values returned by the `iteratee`
+ * calls. Invoked with (err, results).
+ * @example
+ *
+ * async.sortBy(['file1','file2','file3'], function(file, callback) {
+ *     fs.stat(file, function(err, stats) {
+ *         callback(err, stats.mtime);
+ *     });
+ * }, function(err, results) {
+ *     // results is now the original array of files sorted by
+ *     // modified date
+ * });
+ *
+ * // By modifying the callback parameter the
+ * // sorting order can be influenced:
+ *
+ * // ascending order
+ * async.sortBy([1,9,3,5], function(x, callback) {
+ *     callback(null, x);
+ * }, function(err,result) {
+ *     // result callback
+ * });
+ *
+ * // descending order
+ * async.sortBy([1,9,3,5], function(x, callback) {
+ *     callback(null, x*-1);    //<- x*-1 instead of x, turns the order around
+ * }, function(err,result) {
+ *     // result callback
+ * });
+ */
+function sortBy(coll, iteratee, callback) {
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    (0, _map2.default)(coll, function (x, callback) {
+        _iteratee(x, function (err, criteria) {
+            if (err) return callback(err);
+            callback(null, { value: x, criteria: criteria });
+        });
+    }, function (err, results) {
+        if (err) return callback(err);
+        callback(null, (0, _arrayMap2.default)(results.sort(comparator), (0, _baseProperty2.default)('value')));
+    });
+
+    function comparator(left, right) {
+        var a = left.criteria,
+            b = right.criteria;
+        return a < b ? -1 : a > b ? 1 : 0;
+    }
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/timeout.js b/web/public/node_modules/async/timeout.js
new file mode 100644
index 000000000..b5cb505eb
--- /dev/null
+++ b/web/public/node_modules/async/timeout.js
@@ -0,0 +1,89 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = timeout;
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Sets a time limit on an asynchronous function. If the function does not call
+ * its callback within the specified milliseconds, it will be called with a
+ * timeout error. The code property for the error object will be `'ETIMEDOUT'`.
+ *
+ * @name timeout
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} asyncFn - The async function to limit in time.
+ * @param {number} milliseconds - The specified time limit.
+ * @param {*} [info] - Any variable you want attached (`string`, `object`, etc)
+ * to timeout Error for more information..
+ * @returns {AsyncFunction} Returns a wrapped function that can be used with any
+ * of the control flow functions.
+ * Invoke this function with the same parameters as you would `asyncFunc`.
+ * @example
+ *
+ * function myFunction(foo, callback) {
+ *     doAsyncTask(foo, function(err, data) {
+ *         // handle errors
+ *         if (err) return callback(err);
+ *
+ *         // do some stuff ...
+ *
+ *         // return processed data
+ *         return callback(null, data);
+ *     });
+ * }
+ *
+ * var wrapped = async.timeout(myFunction, 1000);
+ *
+ * // call `wrapped` as you would `myFunction`
+ * wrapped({ bar: 'bar' }, function(err, data) {
+ *     // if `myFunction` takes < 1000 ms to execute, `err`
+ *     // and `data` will have their expected values
+ *
+ *     // else `err` will be an Error with the code 'ETIMEDOUT'
+ * });
+ */
+function timeout(asyncFn, milliseconds, info) {
+    var fn = (0, _wrapAsync2.default)(asyncFn);
+
+    return (0, _initialParams2.default)(function (args, callback) {
+        var timedOut = false;
+        var timer;
+
+        function timeoutCallback() {
+            var name = asyncFn.name || 'anonymous';
+            var error = new Error('Callback function "' + name + '" timed out.');
+            error.code = 'ETIMEDOUT';
+            if (info) {
+                error.info = info;
+            }
+            timedOut = true;
+            callback(error);
+        }
+
+        args.push(function () {
+            if (!timedOut) {
+                callback.apply(null, arguments);
+                clearTimeout(timer);
+            }
+        });
+
+        // setup timer and call original function
+        timer = setTimeout(timeoutCallback, milliseconds);
+        fn.apply(null, args);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/times.js b/web/public/node_modules/async/times.js
new file mode 100644
index 000000000..b5ca24dff
--- /dev/null
+++ b/web/public/node_modules/async/times.js
@@ -0,0 +1,50 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _timesLimit = require('./timesLimit');
+
+var _timesLimit2 = _interopRequireDefault(_timesLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Calls the `iteratee` function `n` times, and accumulates results in the same
+ * manner you would use with [map]{@link module:Collections.map}.
+ *
+ * @name times
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.map]{@link module:Collections.map}
+ * @category Control Flow
+ * @param {number} n - The number of times to run the function.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see {@link module:Collections.map}.
+ * @example
+ *
+ * // Pretend this is some complicated async factory
+ * var createUser = function(id, callback) {
+ *     callback(null, {
+ *         id: 'user' + id
+ *     });
+ * };
+ *
+ * // generate 5 users
+ * async.times(5, function(n, next) {
+ *     createUser(n, function(err, user) {
+ *         next(err, user);
+ *     });
+ * }, function(err, users) {
+ *     // we should now have 5 users
+ * });
+ */
+exports.default = (0, _doLimit2.default)(_timesLimit2.default, Infinity);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/timesLimit.js b/web/public/node_modules/async/timesLimit.js
new file mode 100644
index 000000000..aad84955c
--- /dev/null
+++ b/web/public/node_modules/async/timesLimit.js
@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = timeLimit;
+
+var _mapLimit = require('./mapLimit');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _baseRange = require('lodash/_baseRange');
+
+var _baseRange2 = _interopRequireDefault(_baseRange);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [times]{@link module:ControlFlow.times} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name timesLimit
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.times]{@link module:ControlFlow.times}
+ * @category Control Flow
+ * @param {number} count - The number of times to run the function.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see [async.map]{@link module:Collections.map}.
+ */
+function timeLimit(count, limit, iteratee, callback) {
+  var _iteratee = (0, _wrapAsync2.default)(iteratee);
+  (0, _mapLimit2.default)((0, _baseRange2.default)(0, count, 1), limit, _iteratee, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/timesSeries.js b/web/public/node_modules/async/timesSeries.js
new file mode 100644
index 000000000..f187a35b2
--- /dev/null
+++ b/web/public/node_modules/async/timesSeries.js
@@ -0,0 +1,32 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _timesLimit = require('./timesLimit');
+
+var _timesLimit2 = _interopRequireDefault(_timesLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [times]{@link module:ControlFlow.times} but runs only a single async operation at a time.
+ *
+ * @name timesSeries
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.times]{@link module:ControlFlow.times}
+ * @category Control Flow
+ * @param {number} n - The number of times to run the function.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see {@link module:Collections.map}.
+ */
+exports.default = (0, _doLimit2.default)(_timesLimit2.default, 1);
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/transform.js b/web/public/node_modules/async/transform.js
new file mode 100644
index 000000000..84ee217e8
--- /dev/null
+++ b/web/public/node_modules/async/transform.js
@@ -0,0 +1,87 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = transform;
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _eachOf = require('./eachOf');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * A relative of `reduce`.  Takes an Object or Array, and iterates over each
+ * element in series, each step potentially mutating an `accumulator` value.
+ * The type of the accumulator defaults to the type of collection passed in.
+ *
+ * @name transform
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {*} [accumulator] - The initial state of the transform.  If omitted,
+ * it will default to an empty Object or Array, depending on the type of `coll`
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * collection that potentially modifies the accumulator.
+ * Invoked with (accumulator, item, key, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the transformed accumulator.
+ * Invoked with (err, result).
+ * @example
+ *
+ * async.transform([1,2,3], function(acc, item, index, callback) {
+ *     // pointless async:
+ *     process.nextTick(function() {
+ *         acc.push(item * 2)
+ *         callback(null)
+ *     });
+ * }, function(err, result) {
+ *     // result is now equal to [2, 4, 6]
+ * });
+ *
+ * @example
+ *
+ * async.transform({a: 1, b: 2, c: 3}, function (obj, val, key, callback) {
+ *     setImmediate(function () {
+ *         obj[key] = val * 2;
+ *         callback();
+ *     })
+ * }, function (err, result) {
+ *     // result is equal to {a: 2, b: 4, c: 6}
+ * })
+ */
+function transform(coll, accumulator, iteratee, callback) {
+    if (arguments.length <= 3) {
+        callback = iteratee;
+        iteratee = accumulator;
+        accumulator = (0, _isArray2.default)(coll) ? [] : {};
+    }
+    callback = (0, _once2.default)(callback || _noop2.default);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+
+    (0, _eachOf2.default)(coll, function (v, k, cb) {
+        _iteratee(accumulator, v, k, cb);
+    }, function (err) {
+        callback(err, accumulator);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/tryEach.js b/web/public/node_modules/async/tryEach.js
new file mode 100644
index 000000000..f4e4c97d7
--- /dev/null
+++ b/web/public/node_modules/async/tryEach.js
@@ -0,0 +1,81 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = tryEach;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _eachSeries = require('./eachSeries');
+
+var _eachSeries2 = _interopRequireDefault(_eachSeries);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * It runs each task in series but stops whenever any of the functions were
+ * successful. If one of the tasks were successful, the `callback` will be
+ * passed the result of the successful task. If all tasks fail, the callback
+ * will be passed the error and result (if any) of the final attempt.
+ *
+ * @name tryEach
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|Object} tasks - A collection containing functions to
+ * run, each function is passed a `callback(err, result)` it must call on
+ * completion with an error `err` (which can be `null`) and an optional `result`
+ * value.
+ * @param {Function} [callback] - An optional callback which is called when one
+ * of the tasks has succeeded, or all have failed. It receives the `err` and
+ * `result` arguments of the last attempt at completing the `task`. Invoked with
+ * (err, results).
+ * @example
+ * async.tryEach([
+ *     function getDataFromFirstWebsite(callback) {
+ *         // Try getting the data from the first website
+ *         callback(err, data);
+ *     },
+ *     function getDataFromSecondWebsite(callback) {
+ *         // First website failed,
+ *         // Try getting the data from the backup website
+ *         callback(err, data);
+ *     }
+ * ],
+ * // optional callback
+ * function(err, results) {
+ *     Now do something with the data.
+ * });
+ *
+ */
+function tryEach(tasks, callback) {
+    var error = null;
+    var result;
+    callback = callback || _noop2.default;
+    (0, _eachSeries2.default)(tasks, function (task, callback) {
+        (0, _wrapAsync2.default)(task)(function (err, res /*, ...args*/) {
+            if (arguments.length > 2) {
+                result = (0, _slice2.default)(arguments, 1);
+            } else {
+                result = res;
+            }
+            error = err;
+            callback(!err);
+        });
+    }, function () {
+        callback(error, result);
+    });
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/unmemoize.js b/web/public/node_modules/async/unmemoize.js
new file mode 100644
index 000000000..08f9f9fb3
--- /dev/null
+++ b/web/public/node_modules/async/unmemoize.js
@@ -0,0 +1,25 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = unmemoize;
+/**
+ * Undoes a [memoize]{@link module:Utils.memoize}d function, reverting it to the original,
+ * unmemoized form. Handy for testing.
+ *
+ * @name unmemoize
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @see [async.memoize]{@link module:Utils.memoize}
+ * @category Util
+ * @param {AsyncFunction} fn - the memoized function
+ * @returns {AsyncFunction} a function that calls the original unmemoized function
+ */
+function unmemoize(fn) {
+    return function () {
+        return (fn.unmemoized || fn).apply(null, arguments);
+    };
+}
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/web/public/node_modules/async/until.js b/web/public/node_modules/async/until.js
new file mode 100644
index 000000000..29955ab1b
--- /dev/null
+++ b/web/public/node_modules/async/until.js
@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = until;
+
+var _whilst = require('./whilst');
+
+var _whilst2 = _interopRequireDefault(_whilst);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Repeatedly call `iteratee` until `test` returns `true`. Calls `callback` when
+ * stopped, or an error occurs. `callback` will be passed an error and any
+ * arguments passed to the final `iteratee`'s callback.
+ *
+ * The inverse of [whilst]{@link module:ControlFlow.whilst}.
+ *
+ * @name until
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {Function} test - synchronous truth test to perform before each
+ * execution of `iteratee`. Invoked with ().
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` fails. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has passed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ */
+function until(test, iteratee, callback) {
+    (0, _whilst2.default)(function () {
+        return !test.apply(this, arguments);
+    }, iteratee, callback);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/waterfall.js b/web/public/node_modules/async/waterfall.js
new file mode 100644
index 000000000..d547d6b1e
--- /dev/null
+++ b/web/public/node_modules/async/waterfall.js
@@ -0,0 +1,113 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (tasks, callback) {
+    callback = (0, _once2.default)(callback || _noop2.default);
+    if (!(0, _isArray2.default)(tasks)) return callback(new Error('First argument to waterfall must be an array of functions'));
+    if (!tasks.length) return callback();
+    var taskIndex = 0;
+
+    function nextTask(args) {
+        var task = (0, _wrapAsync2.default)(tasks[taskIndex++]);
+        args.push((0, _onlyOnce2.default)(next));
+        task.apply(null, args);
+    }
+
+    function next(err /*, ...args*/) {
+        if (err || taskIndex === tasks.length) {
+            return callback.apply(null, arguments);
+        }
+        nextTask((0, _slice2.default)(arguments, 1));
+    }
+
+    nextTask([]);
+};
+
+var _isArray = require('lodash/isArray');
+
+var _isArray2 = _interopRequireDefault(_isArray);
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _once = require('./internal/once');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
+
+/**
+ * Runs the `tasks` array of functions in series, each passing their results to
+ * the next in the array. However, if any of the `tasks` pass an error to their
+ * own callback, the next function is not executed, and the main `callback` is
+ * immediately called with the error.
+ *
+ * @name waterfall
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array} tasks - An array of [async functions]{@link AsyncFunction}
+ * to run.
+ * Each function should complete with any number of `result` values.
+ * The `result` values will be passed as arguments, in order, to the next task.
+ * @param {Function} [callback] - An optional callback to run once all the
+ * functions have completed. This will be passed the results of the last task's
+ * callback. Invoked with (err, [results]).
+ * @returns undefined
+ * @example
+ *
+ * async.waterfall([
+ *     function(callback) {
+ *         callback(null, 'one', 'two');
+ *     },
+ *     function(arg1, arg2, callback) {
+ *         // arg1 now equals 'one' and arg2 now equals 'two'
+ *         callback(null, 'three');
+ *     },
+ *     function(arg1, callback) {
+ *         // arg1 now equals 'three'
+ *         callback(null, 'done');
+ *     }
+ * ], function (err, result) {
+ *     // result now equals 'done'
+ * });
+ *
+ * // Or, with named functions:
+ * async.waterfall([
+ *     myFirstFunction,
+ *     mySecondFunction,
+ *     myLastFunction,
+ * ], function (err, result) {
+ *     // result now equals 'done'
+ * });
+ * function myFirstFunction(callback) {
+ *     callback(null, 'one', 'two');
+ * }
+ * function mySecondFunction(arg1, arg2, callback) {
+ *     // arg1 now equals 'one' and arg2 now equals 'two'
+ *     callback(null, 'three');
+ * }
+ * function myLastFunction(arg1, callback) {
+ *     // arg1 now equals 'three'
+ *     callback(null, 'done');
+ * }
+ */
\ No newline at end of file
diff --git a/web/public/node_modules/async/whilst.js b/web/public/node_modules/async/whilst.js
new file mode 100644
index 000000000..9c4d8f6ca
--- /dev/null
+++ b/web/public/node_modules/async/whilst.js
@@ -0,0 +1,72 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = whilst;
+
+var _noop = require('lodash/noop');
+
+var _noop2 = _interopRequireDefault(_noop);
+
+var _slice = require('./internal/slice');
+
+var _slice2 = _interopRequireDefault(_slice);
+
+var _onlyOnce = require('./internal/onlyOnce');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Repeatedly call `iteratee`, while `test` returns `true`. Calls `callback` when
+ * stopped, or an error occurs.
+ *
+ * @name whilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Function} test - synchronous truth test to perform before each
+ * execution of `iteratee`. Invoked with ().
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ * @returns undefined
+ * @example
+ *
+ * var count = 0;
+ * async.whilst(
+ *     function() { return count < 5; },
+ *     function(callback) {
+ *         count++;
+ *         setTimeout(function() {
+ *             callback(null, count);
+ *         }, 1000);
+ *     },
+ *     function (err, n) {
+ *         // 5 seconds have passed, n = 5
+ *     }
+ * );
+ */
+function whilst(test, iteratee, callback) {
+    callback = (0, _onlyOnce2.default)(callback || _noop2.default);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    if (!test()) return callback(null);
+    var next = function (err /*, ...args*/) {
+        if (err) return callback(err);
+        if (test()) return _iteratee(next);
+        var args = (0, _slice2.default)(arguments, 1);
+        callback.apply(null, [null].concat(args));
+    };
+    _iteratee(next);
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/async/wrapSync.js b/web/public/node_modules/async/wrapSync.js
new file mode 100644
index 000000000..5e3fc9155
--- /dev/null
+++ b/web/public/node_modules/async/wrapSync.js
@@ -0,0 +1,110 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = asyncify;
+
+var _isObject = require('lodash/isObject');
+
+var _isObject2 = _interopRequireDefault(_isObject);
+
+var _initialParams = require('./internal/initialParams');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _setImmediate = require('./internal/setImmediate');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Take a sync function and make it async, passing its return value to a
+ * callback. This is useful for plugging sync functions into a waterfall,
+ * series, or other async functions. Any arguments passed to the generated
+ * function will be passed to the wrapped function (except for the final
+ * callback argument). Errors thrown will be passed to the callback.
+ *
+ * If the function passed to `asyncify` returns a Promise, that promises's
+ * resolved/rejected state will be used to call the callback, rather than simply
+ * the synchronous return value.
+ *
+ * This also means you can asyncify ES2017 `async` functions.
+ *
+ * @name asyncify
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @alias wrapSync
+ * @category Util
+ * @param {Function} func - The synchronous function, or Promise-returning
+ * function to convert to an {@link AsyncFunction}.
+ * @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be
+ * invoked with `(args..., callback)`.
+ * @example
+ *
+ * // passing a regular synchronous function
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(JSON.parse),
+ *     function (data, next) {
+ *         // data is the result of parsing the text.
+ *         // If there was a parsing error, it would have been caught.
+ *     }
+ * ], callback);
+ *
+ * // passing a function returning a promise
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(function (contents) {
+ *         return db.model.create(contents);
+ *     }),
+ *     function (model, next) {
+ *         // `model` is the instantiated model object.
+ *         // If there was an error, this function would be skipped.
+ *     }
+ * ], callback);
+ *
+ * // es2017 example, though `asyncify` is not needed if your JS environment
+ * // supports async functions out of the box
+ * var q = async.queue(async.asyncify(async function(file) {
+ *     var intermediateStep = await processFile(file);
+ *     return await somePromise(intermediateStep)
+ * }));
+ *
+ * q.push(files);
+ */
+function asyncify(func) {
+    return (0, _initialParams2.default)(function (args, callback) {
+        var result;
+        try {
+            result = func.apply(this, args);
+        } catch (e) {
+            return callback(e);
+        }
+        // if result is Promise object
+        if ((0, _isObject2.default)(result) && typeof result.then === 'function') {
+            result.then(function (value) {
+                invokeCallback(callback, null, value);
+            }, function (err) {
+                invokeCallback(callback, err.message ? err : new Error(err));
+            });
+        } else {
+            callback(null, result);
+        }
+    });
+}
+
+function invokeCallback(callback, error, value) {
+    try {
+        callback(error, value);
+    } catch (e) {
+        (0, _setImmediate2.default)(rethrow, e);
+    }
+}
+
+function rethrow(error) {
+    throw error;
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/web/public/node_modules/basic-auth/HISTORY.md b/web/public/node_modules/basic-auth/HISTORY.md
new file mode 100644
index 000000000..2c44a0101
--- /dev/null
+++ b/web/public/node_modules/basic-auth/HISTORY.md
@@ -0,0 +1,52 @@
+2.0.1 / 2018-09-19
+==================
+
+  * deps: safe-buffer@5.1.2
+
+2.0.0 / 2017-09-12
+==================
+
+  * Drop support for Node.js below 0.8
+  * Remove `auth(ctx)` signature -- pass in header or `auth(ctx.req)`
+  * Use `safe-buffer` for improved Buffer API
+
+1.1.0 / 2016-11-18
+==================
+
+  * Add `auth.parse` for low-level string parsing
+
+1.0.4 / 2016-05-10
+==================
+
+  * Improve error message when `req` argument is not an object
+  * Improve error message when `req` missing `headers` property
+
+1.0.3 / 2015-07-01
+==================
+
+  * Fix regression accepting a Koa context
+
+1.0.2 / 2015-06-12
+==================
+
+  * Improve error message when `req` argument missing
+  * perf: enable strict mode
+  * perf: hoist regular expression
+  * perf: parse with regular expressions
+  * perf: remove argument reassignment
+
+1.0.1 / 2015-05-04
+==================
+
+  * Update readme
+
+1.0.0 / 2014-07-01
+==================
+
+  * Support empty password
+  * Support empty username
+
+0.0.1 / 2013-11-30
+==================
+
+  * Initial release
diff --git a/web/public/node_modules/basic-auth/LICENSE b/web/public/node_modules/basic-auth/LICENSE
new file mode 100644
index 000000000..89041f613
--- /dev/null
+++ b/web/public/node_modules/basic-auth/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2013 TJ Holowaychuk
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015-2016 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/basic-auth/README.md b/web/public/node_modules/basic-auth/README.md
new file mode 100644
index 000000000..5f3d758bc
--- /dev/null
+++ b/web/public/node_modules/basic-auth/README.md
@@ -0,0 +1,113 @@
+# basic-auth
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Generic basic auth Authorization header field parser for whatever.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```
+$ npm install basic-auth
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var auth = require('basic-auth')
+```
+
+### auth(req)
+
+Get the basic auth credentials from the given request. The `Authorization`
+header is parsed and if the header is invalid, `undefined` is returned,
+otherwise an object with `name` and `pass` properties.
+
+### auth.parse(string)
+
+Parse a basic auth authorization header string. This will return an object
+with `name` and `pass` properties, or `undefined` if the string is invalid.
+
+## Example
+
+Pass a Node.js request object to the module export. If parsing fails
+`undefined` is returned, otherwise an object with `.name` and `.pass`.
+
+<!-- eslint-disable no-unused-vars, no-undef -->
+
+```js
+var auth = require('basic-auth')
+var user = auth(req)
+// => { name: 'something', pass: 'whatever' }
+```
+
+A header string from any other location can also be parsed with
+`auth.parse`, for example a `Proxy-Authorization` header:
+
+<!-- eslint-disable no-unused-vars, no-undef -->
+
+```js
+var auth = require('basic-auth')
+var user = auth.parse(req.getHeader('Proxy-Authorization'))
+```
+
+### With vanilla node.js http server
+
+```js
+var http = require('http')
+var auth = require('basic-auth')
+var compare = require('tsscmp')
+
+// Create server
+var server = http.createServer(function (req, res) {
+  var credentials = auth(req)
+
+  // Check credentials
+  // The "check" function will typically be against your user store
+  if (!credentials || !check(credentials.name, credentials.pass)) {
+    res.statusCode = 401
+    res.setHeader('WWW-Authenticate', 'Basic realm="example"')
+    res.end('Access denied')
+  } else {
+    res.end('Access granted')
+  }
+})
+
+// Basic function to validate credentials for example
+function check (name, pass) {
+  var valid = true
+
+  // Simple method to prevent short-circut and use timing-safe compare
+  valid = compare(name, 'john') && valid
+  valid = compare(pass, 'secret') && valid
+
+  return valid
+}
+
+// Listen
+server.listen(3000)
+```
+
+# License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/basic-auth/master
+[coveralls-url]: https://coveralls.io/r/jshttp/basic-auth?branch=master
+[downloads-image]: https://badgen.net/npm/dm/basic-auth
+[downloads-url]: https://npmjs.org/package/basic-auth
+[node-version-image]: https://badgen.net/npm/node/basic-auth
+[node-version-url]: https://nodejs.org/en/download
+[npm-image]: https://badgen.net/npm/v/basic-auth
+[npm-url]: https://npmjs.org/package/basic-auth
+[travis-image]: https://badgen.net/travis/jshttp/basic-auth/master
+[travis-url]: https://travis-ci.org/jshttp/basic-auth
diff --git a/web/public/node_modules/basic-auth/index.js b/web/public/node_modules/basic-auth/index.js
new file mode 100644
index 000000000..9106e646e
--- /dev/null
+++ b/web/public/node_modules/basic-auth/index.js
@@ -0,0 +1,133 @@
+/*!
+ * basic-auth
+ * Copyright(c) 2013 TJ Holowaychuk
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var Buffer = require('safe-buffer').Buffer
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = auth
+module.exports.parse = parse
+
+/**
+ * RegExp for basic auth credentials
+ *
+ * credentials = auth-scheme 1*SP token68
+ * auth-scheme = "Basic" ; case insensitive
+ * token68     = 1*( ALPHA / DIGIT / "-" / "." / "_" / "~" / "+" / "/" ) *"="
+ * @private
+ */
+
+var CREDENTIALS_REGEXP = /^ *(?:[Bb][Aa][Ss][Ii][Cc]) +([A-Za-z0-9._~+/-]+=*) *$/
+
+/**
+ * RegExp for basic auth user/pass
+ *
+ * user-pass   = userid ":" password
+ * userid      = *<TEXT excluding ":">
+ * password    = *TEXT
+ * @private
+ */
+
+var USER_PASS_REGEXP = /^([^:]*):(.*)$/
+
+/**
+ * Parse the Authorization header field of a request.
+ *
+ * @param {object} req
+ * @return {object} with .name and .pass
+ * @public
+ */
+
+function auth (req) {
+  if (!req) {
+    throw new TypeError('argument req is required')
+  }
+
+  if (typeof req !== 'object') {
+    throw new TypeError('argument req is required to be an object')
+  }
+
+  // get header
+  var header = getAuthorization(req)
+
+  // parse header
+  return parse(header)
+}
+
+/**
+ * Decode base64 string.
+ * @private
+ */
+
+function decodeBase64 (str) {
+  return Buffer.from(str, 'base64').toString()
+}
+
+/**
+ * Get the Authorization header from request object.
+ * @private
+ */
+
+function getAuthorization (req) {
+  if (!req.headers || typeof req.headers !== 'object') {
+    throw new TypeError('argument req is required to have headers property')
+  }
+
+  return req.headers.authorization
+}
+
+/**
+ * Parse basic auth to object.
+ *
+ * @param {string} string
+ * @return {object}
+ * @public
+ */
+
+function parse (string) {
+  if (typeof string !== 'string') {
+    return undefined
+  }
+
+  // parse header
+  var match = CREDENTIALS_REGEXP.exec(string)
+
+  if (!match) {
+    return undefined
+  }
+
+  // decode user pass
+  var userPass = USER_PASS_REGEXP.exec(decodeBase64(match[1]))
+
+  if (!userPass) {
+    return undefined
+  }
+
+  // return credentials object
+  return new Credentials(userPass[1], userPass[2])
+}
+
+/**
+ * Object to represent user credentials.
+ * @private
+ */
+
+function Credentials (name, pass) {
+  this.name = name
+  this.pass = pass
+}
diff --git a/web/public/node_modules/basic-auth/package.json b/web/public/node_modules/basic-auth/package.json
new file mode 100644
index 000000000..01bd8dc38
--- /dev/null
+++ b/web/public/node_modules/basic-auth/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "basic-auth",
+  "description": "node.js basic auth parser",
+  "version": "2.0.1",
+  "license": "MIT",
+  "keywords": [
+    "basic",
+    "auth",
+    "authorization",
+    "basicauth"
+  ],
+  "repository": "jshttp/basic-auth",
+  "dependencies": {
+    "safe-buffer": "5.1.2"
+  },
+  "devDependencies": {
+    "eslint": "5.6.0",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-import": "2.14.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "7.0.1",
+    "eslint-plugin-promise": "4.0.1",
+    "eslint-plugin-standard": "4.0.0",
+    "istanbul": "0.4.5",
+    "mocha": "5.2.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --check-leaks --reporter spec --bail",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/web/public/node_modules/call-bind/.eslintignore b/web/public/node_modules/call-bind/.eslintignore
new file mode 100644
index 000000000..404abb221
--- /dev/null
+++ b/web/public/node_modules/call-bind/.eslintignore
@@ -0,0 +1 @@
+coverage/
diff --git a/web/public/node_modules/call-bind/.eslintrc b/web/public/node_modules/call-bind/.eslintrc
new file mode 100644
index 000000000..dfa9a6cdc
--- /dev/null
+++ b/web/public/node_modules/call-bind/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"id-length": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+		"no-magic-numbers": 0,
+	},
+}
diff --git a/web/public/node_modules/call-bind/.github/FUNDING.yml b/web/public/node_modules/call-bind/.github/FUNDING.yml
new file mode 100644
index 000000000..c70c2ecdb
--- /dev/null
+++ b/web/public/node_modules/call-bind/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/call-bind
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/call-bind/.nycrc b/web/public/node_modules/call-bind/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/web/public/node_modules/call-bind/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/call-bind/CHANGELOG.md b/web/public/node_modules/call-bind/CHANGELOG.md
new file mode 100644
index 000000000..c653f701a
--- /dev/null
+++ b/web/public/node_modules/call-bind/CHANGELOG.md
@@ -0,0 +1,93 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.7](https://github.com/ljharb/call-bind/compare/v1.0.6...v1.0.7) - 2024-02-12
+
+### Commits
+
+- [Refactor] use `es-define-property` [`09b76a0`](https://github.com/ljharb/call-bind/commit/09b76a01634440461d44a80c9924ec4b500f3b03)
+- [Deps] update `get-intrinsic`, `set-function-length` [`ad5136d`](https://github.com/ljharb/call-bind/commit/ad5136ddda2a45c590959829ad3dce0c9f4e3590)
+
+## [v1.0.6](https://github.com/ljharb/call-bind/compare/v1.0.5...v1.0.6) - 2024-02-05
+
+### Commits
+
+- [Dev Deps] update `aud`, `npmignore`, `tape` [`d564d5c`](https://github.com/ljharb/call-bind/commit/d564d5ce3e06a19df4d499c77f8d1a9da44e77aa)
+- [Deps] update `get-intrinsic`, `set-function-length` [`cfc2bdc`](https://github.com/ljharb/call-bind/commit/cfc2bdca7b633df0e0e689e6b637f668f1c6792e)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`64cd289`](https://github.com/ljharb/call-bind/commit/64cd289ae5862c250a4ca80aa8d461047c166af5)
+- [meta] add missing `engines.node` [`32a4038`](https://github.com/ljharb/call-bind/commit/32a4038857b62179f7f9b7b3df2c5260036be582)
+
+## [v1.0.5](https://github.com/ljharb/call-bind/compare/v1.0.4...v1.0.5) - 2023-10-19
+
+### Commits
+
+- [Fix] throw an error on non-functions as early as possible [`f262408`](https://github.com/ljharb/call-bind/commit/f262408f822c840fbc268080f3ad7c429611066d)
+- [Deps] update `set-function-length` [`3fff271`](https://github.com/ljharb/call-bind/commit/3fff27145a1e3a76a5b74f1d7c3c43d0fa3b9871)
+
+## [v1.0.4](https://github.com/ljharb/call-bind/compare/v1.0.3...v1.0.4) - 2023-10-19
+
+## [v1.0.3](https://github.com/ljharb/call-bind/compare/v1.0.2...v1.0.3) - 2023-10-19
+
+### Commits
+
+- [actions] reuse common workflows [`a994df6`](https://github.com/ljharb/call-bind/commit/a994df69f401f4bf735a4ccd77029b85d1549453)
+- [meta] use `npmignore` to autogenerate an npmignore file [`eef3ef2`](https://github.com/ljharb/call-bind/commit/eef3ef21e1f002790837fedb8af2679c761fbdf5)
+- [readme] flesh out content [`1845ccf`](https://github.com/ljharb/call-bind/commit/1845ccfd9976a607884cfc7157c93192cc16cf22)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`5b47d53`](https://github.com/ljharb/call-bind/commit/5b47d53d2fd74af5ea0a44f1d51e503cd42f7a90)
+- [Refactor] use `set-function-length` [`a0e165c`](https://github.com/ljharb/call-bind/commit/a0e165c5dc61db781cbc919b586b1c2b8da0b150)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`9c50103`](https://github.com/ljharb/call-bind/commit/9c50103f44137279a817317cf6cc421a658f85b4)
+- [meta] simplify "exports" [`019c6d0`](https://github.com/ljharb/call-bind/commit/019c6d06b0e1246ceed8e579f57e44441cbbf6d9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `safe-publish-latest`, `tape` [`23bd718`](https://github.com/ljharb/call-bind/commit/23bd718a288d3b03042062b4ef5153b3cea83f11)
+- [actions] update codecov uploader [`62552d7`](https://github.com/ljharb/call-bind/commit/62552d79cc79e05825e99aaba134ae5b37f33da5)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`ec81665`](https://github.com/ljharb/call-bind/commit/ec81665b300f87eabff597afdc8b8092adfa7afd)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`35d67fc`](https://github.com/ljharb/call-bind/commit/35d67fcea883e686650f736f61da5ddca2592de8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`0266d8d`](https://github.com/ljharb/call-bind/commit/0266d8d2a45086a922db366d0c2932fa463662ff)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`43a5b28`](https://github.com/ljharb/call-bind/commit/43a5b28a444e710e1bbf92adb8afb5cf7523a223)
+- [Deps] update `define-data-property`, `function-bind`, `get-intrinsic` [`780eb36`](https://github.com/ljharb/call-bind/commit/780eb36552514f8cc99c70821ce698697c2726a5)
+- [Dev Deps] update `aud`, `tape` [`90d50ad`](https://github.com/ljharb/call-bind/commit/90d50ad03b061e0268b3380b0065fcaec183dc05)
+- [meta] use `prepublishOnly` script for npm 7+ [`44c5433`](https://github.com/ljharb/call-bind/commit/44c5433b7980e02b4870007046407cf6fc543329)
+- [Deps] update `get-intrinsic` [`86bfbfc`](https://github.com/ljharb/call-bind/commit/86bfbfcf34afdc6eabc93ce3d408548d0e27d958)
+- [Deps] update `get-intrinsic` [`5c53354`](https://github.com/ljharb/call-bind/commit/5c5335489be0294c18cd7a8bb6e08226ee019ff5)
+- [actions] update checkout action [`4c393a8`](https://github.com/ljharb/call-bind/commit/4c393a8173b3c8e5b30d5b3297b3b94d48bf87f3)
+- [Deps] update `get-intrinsic` [`4e70bde`](https://github.com/ljharb/call-bind/commit/4e70bdec0626acb11616d66250fc14565e716e91)
+- [Deps] update `get-intrinsic` [`55ae803`](https://github.com/ljharb/call-bind/commit/55ae803a920bd93c369cd798c20de31f91e9fc60)
+
+## [v1.0.2](https://github.com/ljharb/call-bind/compare/v1.0.1...v1.0.2) - 2021-01-11
+
+### Commits
+
+- [Fix] properly include the receiver in the bound length [`dbae7bc`](https://github.com/ljharb/call-bind/commit/dbae7bc676c079a0d33c0a43e9ef92cb7b01345d)
+
+## [v1.0.1](https://github.com/ljharb/call-bind/compare/v1.0.0...v1.0.1) - 2021-01-08
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`b6db284`](https://github.com/ljharb/call-bind/commit/b6db284c36f8ccd195b88a6764fe84b7223a0da1)
+- [meta] do not publish github action workflow files [`ec7fe46`](https://github.com/ljharb/call-bind/commit/ec7fe46e60cfa4764ee943d2755f5e5a366e578e)
+- [Fix] preserve original function’s length when possible [`adbceaa`](https://github.com/ljharb/call-bind/commit/adbceaa3cac4b41ea78bb19d7ccdbaaf7e0bdadb)
+- [Tests] gather coverage data on every job [`d69e23c`](https://github.com/ljharb/call-bind/commit/d69e23cc65f101ba1d4c19bb07fa8eb0ec624be8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`2fd3586`](https://github.com/ljharb/call-bind/commit/2fd3586c5d47b335364c14293114c6b625ae1f71)
+- [Deps] update `get-intrinsic` [`f23e931`](https://github.com/ljharb/call-bind/commit/f23e9318cc271c2add8bb38cfded85ee7baf8eee)
+- [Deps] update `get-intrinsic` [`72d9f44`](https://github.com/ljharb/call-bind/commit/72d9f44e184465ba8dd3fb48260bbcff234985f2)
+- [meta] fix FUNDING.yml [`e723573`](https://github.com/ljharb/call-bind/commit/e723573438c5a68dcec31fb5d96ea6b7e4a93be8)
+- [eslint] ignore coverage output [`15e76d2`](https://github.com/ljharb/call-bind/commit/15e76d28a5f43e504696401e5b31ebb78ee1b532)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`8fa4dab`](https://github.com/ljharb/call-bind/commit/8fa4dabb23ba3dd7bb92c9571c1241c08b56e4b6)
+
+## v1.0.0 - 2020-10-30
+
+### Commits
+
+- Initial commit [`306cf98`](https://github.com/ljharb/call-bind/commit/306cf98c7ec9e7ef66b653ec152277ac1381eb50)
+- Tests [`e10d0bb`](https://github.com/ljharb/call-bind/commit/e10d0bbdadc7a10ecedc9a1c035112d3e368b8df)
+- Implementation [`43852ed`](https://github.com/ljharb/call-bind/commit/43852eda0f187327b7fad2423ca972149a52bd65)
+- npm init [`408f860`](https://github.com/ljharb/call-bind/commit/408f860b773a2f610805fd3613d0d71bac1b6249)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`fb349b2`](https://github.com/ljharb/call-bind/commit/fb349b2e48defbec8b5ec8a8395cc8f69f220b13)
+- [meta] add `auto-changelog` [`c4001fc`](https://github.com/ljharb/call-bind/commit/c4001fc43031799ef908211c98d3b0fb2b60fde4)
+- [meta] add "funding"; create `FUNDING.yml` [`d4d6d29`](https://github.com/ljharb/call-bind/commit/d4d6d2974a14bc2e98830468eda7fe6d6a776717)
+- [Tests] add `npm run lint` [`dedfb98`](https://github.com/ljharb/call-bind/commit/dedfb98bd0ecefb08ddb9a94061bd10cde4332af)
+- Only apps should have lockfiles [`54ac776`](https://github.com/ljharb/call-bind/commit/54ac77653db45a7361dc153d2f478e743f110650)
+- [meta] add `safe-publish-latest` [`9ea8e43`](https://github.com/ljharb/call-bind/commit/9ea8e435b950ce9b705559cd651039f9bf40140f)
diff --git a/web/public/node_modules/call-bind/LICENSE b/web/public/node_modules/call-bind/LICENSE
new file mode 100644
index 000000000..48f05d01d
--- /dev/null
+++ b/web/public/node_modules/call-bind/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/call-bind/README.md b/web/public/node_modules/call-bind/README.md
new file mode 100644
index 000000000..48e9047f0
--- /dev/null
+++ b/web/public/node_modules/call-bind/README.md
@@ -0,0 +1,64 @@
+# call-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Robustly `.call.bind()` a function.
+
+## Getting started
+
+```sh
+npm install --save call-bind
+```
+
+## Usage/Examples
+
+```js
+const assert = require('assert');
+const callBind = require('call-bind');
+const callBound = require('call-bind/callBound');
+
+function f(a, b) {
+	assert.equal(this, 1);
+	assert.equal(a, 2);
+	assert.equal(b, 3);
+	assert.equal(arguments.length, 2);
+}
+
+const fBound = callBind(f);
+
+const slice = callBound('Array.prototype.slice');
+
+delete Function.prototype.call;
+delete Function.prototype.bind;
+
+fBound(1, 2, 3);
+
+assert.deepEqual(slice([1, 2, 3, 4], 1, -1), [2, 3]);
+```
+
+## Tests
+
+Clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/call-bind
+[npm-version-svg]: https://versionbadg.es/ljharb/call-bind.svg
+[deps-svg]: https://david-dm.org/ljharb/call-bind.svg
+[deps-url]: https://david-dm.org/ljharb/call-bind
+[dev-deps-svg]: https://david-dm.org/ljharb/call-bind/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/call-bind#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/call-bind.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/call-bind.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/call-bind.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=call-bind
+[codecov-image]: https://codecov.io/gh/ljharb/call-bind/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/call-bind/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bind
+[actions-url]: https://github.com/ljharb/call-bind/actions
diff --git a/web/public/node_modules/call-bind/callBound.js b/web/public/node_modules/call-bind/callBound.js
new file mode 100644
index 000000000..8374adfd0
--- /dev/null
+++ b/web/public/node_modules/call-bind/callBound.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var callBind = require('./');
+
+var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));
+
+module.exports = function callBoundIntrinsic(name, allowMissing) {
+	var intrinsic = GetIntrinsic(name, !!allowMissing);
+	if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
+		return callBind(intrinsic);
+	}
+	return intrinsic;
+};
diff --git a/web/public/node_modules/call-bind/index.js b/web/public/node_modules/call-bind/index.js
new file mode 100644
index 000000000..01c5b3d4e
--- /dev/null
+++ b/web/public/node_modules/call-bind/index.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var bind = require('function-bind');
+var GetIntrinsic = require('get-intrinsic');
+var setFunctionLength = require('set-function-length');
+
+var $TypeError = require('es-errors/type');
+var $apply = GetIntrinsic('%Function.prototype.apply%');
+var $call = GetIntrinsic('%Function.prototype.call%');
+var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply);
+
+var $defineProperty = require('es-define-property');
+var $max = GetIntrinsic('%Math.max%');
+
+module.exports = function callBind(originalFunction) {
+	if (typeof originalFunction !== 'function') {
+		throw new $TypeError('a function is required');
+	}
+	var func = $reflectApply(bind, $call, arguments);
+	return setFunctionLength(
+		func,
+		1 + $max(0, originalFunction.length - (arguments.length - 1)),
+		true
+	);
+};
+
+var applyBind = function applyBind() {
+	return $reflectApply(bind, $apply, arguments);
+};
+
+if ($defineProperty) {
+	$defineProperty(module.exports, 'apply', { value: applyBind });
+} else {
+	module.exports.apply = applyBind;
+}
diff --git a/web/public/node_modules/call-bind/package.json b/web/public/node_modules/call-bind/package.json
new file mode 100644
index 000000000..5ba88ff85
--- /dev/null
+++ b/web/public/node_modules/call-bind/package.json
@@ -0,0 +1,95 @@
+{
+	"name": "call-bind",
+	"version": "1.0.7",
+	"description": "Robustly `.call.bind()` a function",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./callBound": "./callBound.js",
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=auto",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"lint": "eslint --ext=.js,.mjs .",
+		"postlint": "evalmd README.md",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/call-bind.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"callbind",
+		"callbound",
+		"call",
+		"bind",
+		"bound",
+		"call-bind",
+		"call-bound",
+		"function",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/call-bind/issues"
+	},
+	"homepage": "https://github.com/ljharb/call-bind#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"gopd": "^1.0.1",
+		"has-strict-mode": "^1.0.1",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4"
+	},
+	"dependencies": {
+		"es-define-property": "^1.0.0",
+		"es-errors": "^1.3.0",
+		"function-bind": "^1.1.2",
+		"get-intrinsic": "^1.2.4",
+		"set-function-length": "^1.2.1"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/web/public/node_modules/call-bind/test/callBound.js b/web/public/node_modules/call-bind/test/callBound.js
new file mode 100644
index 000000000..c32319d70
--- /dev/null
+++ b/web/public/node_modules/call-bind/test/callBound.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var test = require('tape');
+
+var callBound = require('../callBound');
+
+test('callBound', function (t) {
+	// static primitive
+	t.equal(callBound('Array.length'), Array.length, 'Array.length yields itself');
+	t.equal(callBound('%Array.length%'), Array.length, '%Array.length% yields itself');
+
+	// static non-function object
+	t.equal(callBound('Array.prototype'), Array.prototype, 'Array.prototype yields itself');
+	t.equal(callBound('%Array.prototype%'), Array.prototype, '%Array.prototype% yields itself');
+	t.equal(callBound('Array.constructor'), Array.constructor, 'Array.constructor yields itself');
+	t.equal(callBound('%Array.constructor%'), Array.constructor, '%Array.constructor% yields itself');
+
+	// static function
+	t.equal(callBound('Date.parse'), Date.parse, 'Date.parse yields itself');
+	t.equal(callBound('%Date.parse%'), Date.parse, '%Date.parse% yields itself');
+
+	// prototype primitive
+	t.equal(callBound('Error.prototype.message'), Error.prototype.message, 'Error.prototype.message yields itself');
+	t.equal(callBound('%Error.prototype.message%'), Error.prototype.message, '%Error.prototype.message% yields itself');
+
+	// prototype function
+	t.notEqual(callBound('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString does not yield itself');
+	t.notEqual(callBound('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% does not yield itself');
+	t.equal(callBound('Object.prototype.toString')(true), Object.prototype.toString.call(true), 'call-bound Object.prototype.toString calls into the original');
+	t.equal(callBound('%Object.prototype.toString%')(true), Object.prototype.toString.call(true), 'call-bound %Object.prototype.toString% calls into the original');
+
+	t['throws'](
+		function () { callBound('does not exist'); },
+		SyntaxError,
+		'nonexistent intrinsic throws'
+	);
+	t['throws'](
+		function () { callBound('does not exist', true); },
+		SyntaxError,
+		'allowMissing arg still throws for unknown intrinsic'
+	);
+
+	t.test('real but absent intrinsic', { skip: typeof WeakRef !== 'undefined' }, function (st) {
+		st['throws'](
+			function () { callBound('WeakRef'); },
+			TypeError,
+			'real but absent intrinsic throws'
+		);
+		st.equal(callBound('WeakRef', true), undefined, 'allowMissing arg avoids exception');
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/web/public/node_modules/call-bind/test/index.js b/web/public/node_modules/call-bind/test/index.js
new file mode 100644
index 000000000..1fd46689e
--- /dev/null
+++ b/web/public/node_modules/call-bind/test/index.js
@@ -0,0 +1,80 @@
+'use strict';
+
+var callBind = require('../');
+var bind = require('function-bind');
+var gOPD = require('gopd');
+var hasStrictMode = require('has-strict-mode')();
+var forEach = require('for-each');
+var inspect = require('object-inspect');
+var v = require('es-value-fixtures');
+
+var test = require('tape');
+
+/*
+ * older engines have length nonconfigurable
+ * in io.js v3, it is configurable except on bound functions, hence the .bind()
+ */
+var functionsHaveConfigurableLengths = !!(
+	gOPD
+	&& Object.getOwnPropertyDescriptor
+	&& Object.getOwnPropertyDescriptor(bind.call(function () {}), 'length').configurable
+);
+
+test('callBind', function (t) {
+	forEach(v.nonFunctions, function (nonFunction) {
+		t['throws'](
+			function () { callBind(nonFunction); },
+			TypeError,
+			inspect(nonFunction) + ' is not a function'
+		);
+	});
+
+	var sentinel = { sentinel: true };
+	var func = function (a, b) {
+		// eslint-disable-next-line no-invalid-this
+		return [!hasStrictMode && this === global ? undefined : this, a, b];
+	};
+	t.equal(func.length, 2, 'original function length is 2');
+	t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args');
+	t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args');
+	t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args');
+
+	var bound = callBind(func);
+	t.equal(bound.length, func.length + 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
+	t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with too few args');
+	t.deepEqual(bound(1, 2), [hasStrictMode ? 1 : Object(1), 2, undefined], 'bound func with right args');
+	t.deepEqual(bound(1, 2, 3), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with too many args');
+
+	var boundR = callBind(func, sentinel);
+	t.equal(boundR.length, func.length, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
+	t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args');
+	t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args');
+	t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args');
+
+	var boundArg = callBind(func, sentinel, 1);
+	t.equal(boundArg.length, func.length - 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
+	t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args');
+	t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg');
+	t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args');
+
+	t.test('callBind.apply', function (st) {
+		var aBound = callBind.apply(func);
+		st.deepEqual(aBound(sentinel), [sentinel, undefined, undefined], 'apply-bound func with no args');
+		st.deepEqual(aBound(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+		st.deepEqual(aBound(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+
+		var aBoundArg = callBind.apply(func);
+		st.deepEqual(aBoundArg(sentinel, [1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with too many args');
+		st.deepEqual(aBoundArg(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+		st.deepEqual(aBoundArg(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+
+		var aBoundR = callBind.apply(func, sentinel);
+		st.deepEqual(aBoundR([1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with receiver and too many args');
+		st.deepEqual(aBoundR([1, 2], 4), [sentinel, 1, 2], 'apply-bound func with receiver and right args');
+		st.deepEqual(aBoundR([1], 4), [sentinel, 1, undefined], 'apply-bound func with receiver and too few args');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/web/public/node_modules/chalk/index.d.ts b/web/public/node_modules/chalk/index.d.ts
new file mode 100644
index 000000000..9cd88f38b
--- /dev/null
+++ b/web/public/node_modules/chalk/index.d.ts
@@ -0,0 +1,415 @@
+/**
+Basic foreground colors.
+
+[More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
+*/
+declare type ForegroundColor =
+	| 'black'
+	| 'red'
+	| 'green'
+	| 'yellow'
+	| 'blue'
+	| 'magenta'
+	| 'cyan'
+	| 'white'
+	| 'gray'
+	| 'grey'
+	| 'blackBright'
+	| 'redBright'
+	| 'greenBright'
+	| 'yellowBright'
+	| 'blueBright'
+	| 'magentaBright'
+	| 'cyanBright'
+	| 'whiteBright';
+
+/**
+Basic background colors.
+
+[More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
+*/
+declare type BackgroundColor =
+	| 'bgBlack'
+	| 'bgRed'
+	| 'bgGreen'
+	| 'bgYellow'
+	| 'bgBlue'
+	| 'bgMagenta'
+	| 'bgCyan'
+	| 'bgWhite'
+	| 'bgGray'
+	| 'bgGrey'
+	| 'bgBlackBright'
+	| 'bgRedBright'
+	| 'bgGreenBright'
+	| 'bgYellowBright'
+	| 'bgBlueBright'
+	| 'bgMagentaBright'
+	| 'bgCyanBright'
+	| 'bgWhiteBright';
+
+/**
+Basic colors.
+
+[More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
+*/
+declare type Color = ForegroundColor | BackgroundColor;
+
+declare type Modifiers =
+	| 'reset'
+	| 'bold'
+	| 'dim'
+	| 'italic'
+	| 'underline'
+	| 'inverse'
+	| 'hidden'
+	| 'strikethrough'
+	| 'visible';
+
+declare namespace chalk {
+	/**
+	Levels:
+	- `0` - All colors disabled.
+	- `1` - Basic 16 colors support.
+	- `2` - ANSI 256 colors support.
+	- `3` - Truecolor 16 million colors support.
+	*/
+	type Level = 0 | 1 | 2 | 3;
+
+	interface Options {
+		/**
+		Specify the color support for Chalk.
+
+		By default, color support is automatically detected based on the environment.
+
+		Levels:
+		- `0` - All colors disabled.
+		- `1` - Basic 16 colors support.
+		- `2` - ANSI 256 colors support.
+		- `3` - Truecolor 16 million colors support.
+		*/
+		level?: Level;
+	}
+
+	/**
+	Return a new Chalk instance.
+	*/
+	type Instance = new (options?: Options) => Chalk;
+
+	/**
+	Detect whether the terminal supports color.
+	*/
+	interface ColorSupport {
+		/**
+		The color level used by Chalk.
+		*/
+		level: Level;
+
+		/**
+		Return whether Chalk supports basic 16 colors.
+		*/
+		hasBasic: boolean;
+
+		/**
+		Return whether Chalk supports ANSI 256 colors.
+		*/
+		has256: boolean;
+
+		/**
+		Return whether Chalk supports Truecolor 16 million colors.
+		*/
+		has16m: boolean;
+	}
+
+	interface ChalkFunction {
+		/**
+		Use a template string.
+
+		@remarks Template literals are unsupported for nested calls (see [issue #341](https://github.com/chalk/chalk/issues/341))
+
+		@example
+		```
+		import chalk = require('chalk');
+
+		log(chalk`
+		CPU: {red ${cpu.totalPercent}%}
+		RAM: {green ${ram.used / ram.total * 100}%}
+		DISK: {rgb(255,131,0) ${disk.used / disk.total * 100}%}
+		`);
+		```
+
+		@example
+		```
+		import chalk = require('chalk');
+
+		log(chalk.red.bgBlack`2 + 3 = {bold ${2 + 3}}`)
+		```
+		*/
+		(text: TemplateStringsArray, ...placeholders: unknown[]): string;
+
+		(...text: unknown[]): string;
+	}
+
+	interface Chalk extends ChalkFunction {
+		/**
+		Return a new Chalk instance.
+		*/
+		Instance: Instance;
+
+		/**
+		The color support for Chalk.
+
+		By default, color support is automatically detected based on the environment.
+
+		Levels:
+		- `0` - All colors disabled.
+		- `1` - Basic 16 colors support.
+		- `2` - ANSI 256 colors support.
+		- `3` - Truecolor 16 million colors support.
+		*/
+		level: Level;
+
+		/**
+		Use HEX value to set text color.
+
+		@param color - Hexadecimal value representing the desired color.
+
+		@example
+		```
+		import chalk = require('chalk');
+
+		chalk.hex('#DEADED');
+		```
+		*/
+		hex(color: string): Chalk;
+
+		/**
+		Use keyword color value to set text color.
+
+		@param color - Keyword value representing the desired color.
+
+		@example
+		```
+		import chalk = require('chalk');
+
+		chalk.keyword('orange');
+		```
+		*/
+		keyword(color: string): Chalk;
+
+		/**
+		Use RGB values to set text color.
+		*/
+		rgb(red: number, green: number, blue: number): Chalk;
+
+		/**
+		Use HSL values to set text color.
+		*/
+		hsl(hue: number, saturation: number, lightness: number): Chalk;
+
+		/**
+		Use HSV values to set text color.
+		*/
+		hsv(hue: number, saturation: number, value: number): Chalk;
+
+		/**
+		Use HWB values to set text color.
+		*/
+		hwb(hue: number, whiteness: number, blackness: number): Chalk;
+
+		/**
+		Use a [Select/Set Graphic Rendition](https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters) (SGR) [color code number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) to set text color.
+
+		30 <= code && code < 38 || 90 <= code && code < 98
+		For example, 31 for red, 91 for redBright.
+		*/
+		ansi(code: number): Chalk;
+
+		/**
+		Use a [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set text color.
+		*/
+		ansi256(index: number): Chalk;
+
+		/**
+		Use HEX value to set background color.
+
+		@param color - Hexadecimal value representing the desired color.
+
+		@example
+		```
+		import chalk = require('chalk');
+
+		chalk.bgHex('#DEADED');
+		```
+		*/
+		bgHex(color: string): Chalk;
+
+		/**
+		Use keyword color value to set background color.
+
+		@param color - Keyword value representing the desired color.
+
+		@example
+		```
+		import chalk = require('chalk');
+
+		chalk.bgKeyword('orange');
+		```
+		*/
+		bgKeyword(color: string): Chalk;
+
+		/**
+		Use RGB values to set background color.
+		*/
+		bgRgb(red: number, green: number, blue: number): Chalk;
+
+		/**
+		Use HSL values to set background color.
+		*/
+		bgHsl(hue: number, saturation: number, lightness: number): Chalk;
+
+		/**
+		Use HSV values to set background color.
+		*/
+		bgHsv(hue: number, saturation: number, value: number): Chalk;
+
+		/**
+		Use HWB values to set background color.
+		*/
+		bgHwb(hue: number, whiteness: number, blackness: number): Chalk;
+
+		/**
+		Use a [Select/Set Graphic Rendition](https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters) (SGR) [color code number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) to set background color.
+
+		30 <= code && code < 38 || 90 <= code && code < 98
+		For example, 31 for red, 91 for redBright.
+		Use the foreground code, not the background code (for example, not 41, nor 101).
+		*/
+		bgAnsi(code: number): Chalk;
+
+		/**
+		Use a [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set background color.
+		*/
+		bgAnsi256(index: number): Chalk;
+
+		/**
+		Modifier: Resets the current color chain.
+		*/
+		readonly reset: Chalk;
+
+		/**
+		Modifier: Make text bold.
+		*/
+		readonly bold: Chalk;
+
+		/**
+		Modifier: Emitting only a small amount of light.
+		*/
+		readonly dim: Chalk;
+
+		/**
+		Modifier: Make text italic. (Not widely supported)
+		*/
+		readonly italic: Chalk;
+
+		/**
+		Modifier: Make text underline. (Not widely supported)
+		*/
+		readonly underline: Chalk;
+
+		/**
+		Modifier: Inverse background and foreground colors.
+		*/
+		readonly inverse: Chalk;
+
+		/**
+		Modifier: Prints the text, but makes it invisible.
+		*/
+		readonly hidden: Chalk;
+
+		/**
+		Modifier: Puts a horizontal line through the center of the text. (Not widely supported)
+		*/
+		readonly strikethrough: Chalk;
+
+		/**
+		Modifier: Prints the text only when Chalk has a color support level > 0.
+		Can be useful for things that are purely cosmetic.
+		*/
+		readonly visible: Chalk;
+
+		readonly black: Chalk;
+		readonly red: Chalk;
+		readonly green: Chalk;
+		readonly yellow: Chalk;
+		readonly blue: Chalk;
+		readonly magenta: Chalk;
+		readonly cyan: Chalk;
+		readonly white: Chalk;
+
+		/*
+		Alias for `blackBright`.
+		*/
+		readonly gray: Chalk;
+
+		/*
+		Alias for `blackBright`.
+		*/
+		readonly grey: Chalk;
+
+		readonly blackBright: Chalk;
+		readonly redBright: Chalk;
+		readonly greenBright: Chalk;
+		readonly yellowBright: Chalk;
+		readonly blueBright: Chalk;
+		readonly magentaBright: Chalk;
+		readonly cyanBright: Chalk;
+		readonly whiteBright: Chalk;
+
+		readonly bgBlack: Chalk;
+		readonly bgRed: Chalk;
+		readonly bgGreen: Chalk;
+		readonly bgYellow: Chalk;
+		readonly bgBlue: Chalk;
+		readonly bgMagenta: Chalk;
+		readonly bgCyan: Chalk;
+		readonly bgWhite: Chalk;
+
+		/*
+		Alias for `bgBlackBright`.
+		*/
+		readonly bgGray: Chalk;
+
+		/*
+		Alias for `bgBlackBright`.
+		*/
+		readonly bgGrey: Chalk;
+
+		readonly bgBlackBright: Chalk;
+		readonly bgRedBright: Chalk;
+		readonly bgGreenBright: Chalk;
+		readonly bgYellowBright: Chalk;
+		readonly bgBlueBright: Chalk;
+		readonly bgMagentaBright: Chalk;
+		readonly bgCyanBright: Chalk;
+		readonly bgWhiteBright: Chalk;
+	}
+}
+
+/**
+Main Chalk object that allows to chain styles together.
+Call the last one as a method with a string argument.
+Order doesn't matter, and later styles take precedent in case of a conflict.
+This simply means that `chalk.red.yellow.green` is equivalent to `chalk.green`.
+*/
+declare const chalk: chalk.Chalk & chalk.ChalkFunction & {
+	supportsColor: chalk.ColorSupport | false;
+	Level: chalk.Level;
+	Color: Color;
+	ForegroundColor: ForegroundColor;
+	BackgroundColor: BackgroundColor;
+	Modifiers: Modifiers;
+	stderr: chalk.Chalk & {supportsColor: chalk.ColorSupport | false};
+};
+
+export = chalk;
diff --git a/web/public/node_modules/chalk/license b/web/public/node_modules/chalk/license
new file mode 100644
index 000000000..e7af2f771
--- /dev/null
+++ b/web/public/node_modules/chalk/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/chalk/package.json b/web/public/node_modules/chalk/package.json
new file mode 100644
index 000000000..47c23f290
--- /dev/null
+++ b/web/public/node_modules/chalk/package.json
@@ -0,0 +1,68 @@
+{
+	"name": "chalk",
+	"version": "4.1.2",
+	"description": "Terminal string styling done right",
+	"license": "MIT",
+	"repository": "chalk/chalk",
+	"funding": "https://github.com/chalk/chalk?sponsor=1",
+	"main": "source",
+	"engines": {
+		"node": ">=10"
+	},
+	"scripts": {
+		"test": "xo && nyc ava && tsd",
+		"bench": "matcha benchmark.js"
+	},
+	"files": [
+		"source",
+		"index.d.ts"
+	],
+	"keywords": [
+		"color",
+		"colour",
+		"colors",
+		"terminal",
+		"console",
+		"cli",
+		"string",
+		"str",
+		"ansi",
+		"style",
+		"styles",
+		"tty",
+		"formatting",
+		"rgb",
+		"256",
+		"shell",
+		"xterm",
+		"log",
+		"logging",
+		"command-line",
+		"text"
+	],
+	"dependencies": {
+		"ansi-styles": "^4.1.0",
+		"supports-color": "^7.1.0"
+	},
+	"devDependencies": {
+		"ava": "^2.4.0",
+		"coveralls": "^3.0.7",
+		"execa": "^4.0.0",
+		"import-fresh": "^3.1.0",
+		"matcha": "^0.7.0",
+		"nyc": "^15.0.0",
+		"resolve-from": "^5.0.0",
+		"tsd": "^0.7.4",
+		"xo": "^0.28.2"
+	},
+	"xo": {
+		"rules": {
+			"unicorn/prefer-string-slice": "off",
+			"unicorn/prefer-includes": "off",
+			"@typescript-eslint/member-ordering": "off",
+			"no-redeclare": "off",
+			"unicorn/string-content": "off",
+			"unicorn/better-regex": "off"
+		}
+	}
+}
diff --git a/web/public/node_modules/chalk/readme.md b/web/public/node_modules/chalk/readme.md
new file mode 100644
index 000000000..a055d21c9
--- /dev/null
+++ b/web/public/node_modules/chalk/readme.md
@@ -0,0 +1,341 @@
+<h1 align="center">
+	<br>
+	<br>
+	<img width="320" src="media/logo.svg" alt="Chalk">
+	<br>
+	<br>
+	<br>
+</h1>
+
+> Terminal string styling done right
+
+[![Build Status](https://travis-ci.org/chalk/chalk.svg?branch=master)](https://travis-ci.org/chalk/chalk) [![Coverage Status](https://coveralls.io/repos/github/chalk/chalk/badge.svg?branch=master)](https://coveralls.io/github/chalk/chalk?branch=master) [![npm dependents](https://badgen.net/npm/dependents/chalk)](https://www.npmjs.com/package/chalk?activeTab=dependents) [![Downloads](https://badgen.net/npm/dt/chalk)](https://www.npmjs.com/package/chalk) [![](https://img.shields.io/badge/unicorn-approved-ff69b4.svg)](https://www.youtube.com/watch?v=9auOCbH5Ns4) [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/xojs/xo) ![TypeScript-ready](https://img.shields.io/npm/types/chalk.svg) [![run on repl.it](https://repl.it/badge/github/chalk/chalk)](https://repl.it/github/chalk/chalk)
+
+<img src="https://cdn.jsdelivr.net/gh/chalk/ansi-styles@8261697c95bf34b6c7767e2cbe9941a851d59385/screenshot.svg" width="900">
+
+<br>
+
+---
+
+<div align="center">
+	<p>
+		<p>
+			<sup>
+				Sindre Sorhus' open source work is supported by the community on <a href="https://github.com/sponsors/sindresorhus">GitHub Sponsors</a> and <a href="https://stakes.social/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15">Dev</a>
+			</sup>
+		</p>
+		<sup>Special thanks to:</sup>
+		<br>
+		<br>
+		<a href="https://standardresume.co/tech">
+			<img src="https://sindresorhus.com/assets/thanks/standard-resume-logo.svg" width="160"/>
+		</a>
+		<br>
+		<br>
+		<a href="https://retool.com/?utm_campaign=sindresorhus">
+			<img src="https://sindresorhus.com/assets/thanks/retool-logo.svg" width="230"/>
+		</a>
+		<br>
+		<br>
+		<a href="https://doppler.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=chalk&utm_source=github">
+			<div>
+				<img src="https://dashboard.doppler.com/imgs/logo-long.svg" width="240" alt="Doppler">
+			</div>
+			<b>All your environment variables, in one place</b>
+			<div>
+				<span>Stop struggling with scattered API keys, hacking together home-brewed tools,</span>
+				<br>
+				<span>and avoiding access controls. Keep your team and servers in sync with Doppler.</span>
+			</div>
+		</a>
+		<br>
+		<a href="https://uibakery.io/?utm_source=chalk&utm_medium=sponsor&utm_campaign=github">
+			<div>
+				<img src="https://sindresorhus.com/assets/thanks/uibakery-logo.jpg" width="270" alt="UI Bakery">
+			</div>
+		</a>
+	</p>
+</div>
+
+---
+
+<br>
+
+## Highlights
+
+- Expressive API
+- Highly performant
+- Ability to nest styles
+- [256/Truecolor color support](#256-and-truecolor-color-support)
+- Auto-detects color support
+- Doesn't extend `String.prototype`
+- Clean and focused
+- Actively maintained
+- [Used by ~50,000 packages](https://www.npmjs.com/browse/depended/chalk) as of January 1, 2020
+
+## Install
+
+```console
+$ npm install chalk
+```
+
+## Usage
+
+```js
+const chalk = require('chalk');
+
+console.log(chalk.blue('Hello world!'));
+```
+
+Chalk comes with an easy to use composable API where you just chain and nest the styles you want.
+
+```js
+const chalk = require('chalk');
+const log = console.log;
+
+// Combine styled and normal strings
+log(chalk.blue('Hello') + ' World' + chalk.red('!'));
+
+// Compose multiple styles using the chainable API
+log(chalk.blue.bgRed.bold('Hello world!'));
+
+// Pass in multiple arguments
+log(chalk.blue('Hello', 'World!', 'Foo', 'bar', 'biz', 'baz'));
+
+// Nest styles
+log(chalk.red('Hello', chalk.underline.bgBlue('world') + '!'));
+
+// Nest styles of the same type even (color, underline, background)
+log(chalk.green(
+	'I am a green line ' +
+	chalk.blue.underline.bold('with a blue substring') +
+	' that becomes green again!'
+));
+
+// ES2015 template literal
+log(`
+CPU: ${chalk.red('90%')}
+RAM: ${chalk.green('40%')}
+DISK: ${chalk.yellow('70%')}
+`);
+
+// ES2015 tagged template literal
+log(chalk`
+CPU: {red ${cpu.totalPercent}%}
+RAM: {green ${ram.used / ram.total * 100}%}
+DISK: {rgb(255,131,0) ${disk.used / disk.total * 100}%}
+`);
+
+// Use RGB colors in terminal emulators that support it.
+log(chalk.keyword('orange')('Yay for orange colored text!'));
+log(chalk.rgb(123, 45, 67).underline('Underlined reddish color'));
+log(chalk.hex('#DEADED').bold('Bold gray!'));
+```
+
+Easily define your own themes:
+
+```js
+const chalk = require('chalk');
+
+const error = chalk.bold.red;
+const warning = chalk.keyword('orange');
+
+console.log(error('Error!'));
+console.log(warning('Warning!'));
+```
+
+Take advantage of console.log [string substitution](https://nodejs.org/docs/latest/api/console.html#console_console_log_data_args):
+
+```js
+const name = 'Sindre';
+console.log(chalk.green('Hello %s'), name);
+//=> 'Hello Sindre'
+```
+
+## API
+
+### chalk.`<style>[.<style>...](string, [string...])`
+
+Example: `chalk.red.bold.underline('Hello', 'world');`
+
+Chain [styles](#styles) and call the last one as a method with a string argument. Order doesn't matter, and later styles take precedent in case of a conflict. This simply means that `chalk.red.yellow.green` is equivalent to `chalk.green`.
+
+Multiple arguments will be separated by space.
+
+### chalk.level
+
+Specifies the level of color support.
+
+Color support is automatically detected, but you can override it by setting the `level` property. You should however only do this in your own code as it applies globally to all Chalk consumers.
+
+If you need to change this in a reusable module, create a new instance:
+
+```js
+const ctx = new chalk.Instance({level: 0});
+```
+
+| Level | Description |
+| :---: | :--- |
+| `0` | All colors disabled |
+| `1` | Basic color support (16 colors) |
+| `2` | 256 color support |
+| `3` | Truecolor support (16 million colors) |
+
+### chalk.supportsColor
+
+Detect whether the terminal [supports color](https://github.com/chalk/supports-color). Used internally and handled for you, but exposed for convenience.
+
+Can be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, use the environment variable `FORCE_COLOR=1` (level 1), `FORCE_COLOR=2` (level 2), or `FORCE_COLOR=3` (level 3) to forcefully enable color, or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks.
+
+Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively.
+
+### chalk.stderr and chalk.stderr.supportsColor
+
+`chalk.stderr` contains a separate instance configured with color support detected for `stderr` stream instead of `stdout`. Override rules from `chalk.supportsColor` apply to this too. `chalk.stderr.supportsColor` is exposed for convenience.
+
+## Styles
+
+### Modifiers
+
+- `reset` - Resets the current color chain.
+- `bold` - Make text bold.
+- `dim` - Emitting only a small amount of light.
+- `italic` - Make text italic. *(Not widely supported)*
+- `underline` - Make text underline. *(Not widely supported)*
+- `inverse`- Inverse background and foreground colors.
+- `hidden` - Prints the text, but makes it invisible.
+- `strikethrough` - Puts a horizontal line through the center of the text. *(Not widely supported)*
+- `visible`- Prints the text only when Chalk has a color level > 0. Can be useful for things that are purely cosmetic.
+
+### Colors
+
+- `black`
+- `red`
+- `green`
+- `yellow`
+- `blue`
+- `magenta`
+- `cyan`
+- `white`
+- `blackBright` (alias: `gray`, `grey`)
+- `redBright`
+- `greenBright`
+- `yellowBright`
+- `blueBright`
+- `magentaBright`
+- `cyanBright`
+- `whiteBright`
+
+### Background colors
+
+- `bgBlack`
+- `bgRed`
+- `bgGreen`
+- `bgYellow`
+- `bgBlue`
+- `bgMagenta`
+- `bgCyan`
+- `bgWhite`
+- `bgBlackBright` (alias: `bgGray`, `bgGrey`)
+- `bgRedBright`
+- `bgGreenBright`
+- `bgYellowBright`
+- `bgBlueBright`
+- `bgMagentaBright`
+- `bgCyanBright`
+- `bgWhiteBright`
+
+## Tagged template literal
+
+Chalk can be used as a [tagged template literal](https://exploringjs.com/es6/ch_template-literals.html#_tagged-template-literals).
+
+```js
+const chalk = require('chalk');
+
+const miles = 18;
+const calculateFeet = miles => miles * 5280;
+
+console.log(chalk`
+	There are {bold 5280 feet} in a mile.
+	In {bold ${miles} miles}, there are {green.bold ${calculateFeet(miles)} feet}.
+`);
+```
+
+Blocks are delimited by an opening curly brace (`{`), a style, some content, and a closing curly brace (`}`).
+
+Template styles are chained exactly like normal Chalk styles. The following three statements are equivalent:
+
+```js
+console.log(chalk.bold.rgb(10, 100, 200)('Hello!'));
+console.log(chalk.bold.rgb(10, 100, 200)`Hello!`);
+console.log(chalk`{bold.rgb(10,100,200) Hello!}`);
+```
+
+Note that function styles (`rgb()`, `hsl()`, `keyword()`, etc.) may not contain spaces between parameters.
+
+All interpolated values (`` chalk`${foo}` ``) are converted to strings via the `.toString()` method. All curly braces (`{` and `}`) in interpolated value strings are escaped.
+
+## 256 and Truecolor color support
+
+Chalk supports 256 colors and [Truecolor](https://gist.github.com/XVilka/8346728) (16 million colors) on supported terminal apps.
+
+Colors are downsampled from 16 million RGB values to an ANSI color format that is supported by the terminal emulator (or by specifying `{level: n}` as a Chalk option). For example, Chalk configured to run at level 1 (basic color support) will downsample an RGB value of #FF0000 (red) to 31 (ANSI escape for red).
+
+Examples:
+
+- `chalk.hex('#DEADED').underline('Hello, world!')`
+- `chalk.keyword('orange')('Some orange text')`
+- `chalk.rgb(15, 100, 204).inverse('Hello!')`
+
+Background versions of these models are prefixed with `bg` and the first level of the module capitalized (e.g. `keyword` for foreground colors and `bgKeyword` for background colors).
+
+- `chalk.bgHex('#DEADED').underline('Hello, world!')`
+- `chalk.bgKeyword('orange')('Some orange text')`
+- `chalk.bgRgb(15, 100, 204).inverse('Hello!')`
+
+The following color models can be used:
+
+- [`rgb`](https://en.wikipedia.org/wiki/RGB_color_model) - Example: `chalk.rgb(255, 136, 0).bold('Orange!')`
+- [`hex`](https://en.wikipedia.org/wiki/Web_colors#Hex_triplet) - Example: `chalk.hex('#FF8800').bold('Orange!')`
+- [`keyword`](https://www.w3.org/wiki/CSS/Properties/color/keywords) (CSS keywords) - Example: `chalk.keyword('orange').bold('Orange!')`
+- [`hsl`](https://en.wikipedia.org/wiki/HSL_and_HSV) - Example: `chalk.hsl(32, 100, 50).bold('Orange!')`
+- [`hsv`](https://en.wikipedia.org/wiki/HSL_and_HSV) - Example: `chalk.hsv(32, 100, 100).bold('Orange!')`
+- [`hwb`](https://en.wikipedia.org/wiki/HWB_color_model) - Example: `chalk.hwb(32, 0, 50).bold('Orange!')`
+- [`ansi`](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) - Example: `chalk.ansi(31).bgAnsi(93)('red on yellowBright')`
+- [`ansi256`](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) - Example: `chalk.bgAnsi256(194)('Honeydew, more or less')`
+
+## Windows
+
+If you're on Windows, do yourself a favor and use [Windows Terminal](https://github.com/microsoft/terminal) instead of `cmd.exe`.
+
+## Origin story
+
+[colors.js](https://github.com/Marak/colors.js) used to be the most popular string styling module, but it has serious deficiencies like extending `String.prototype` which causes all kinds of [problems](https://github.com/yeoman/yo/issues/68) and the package is unmaintained. Although there are other packages, they either do too much or not enough. Chalk is a clean and focused alternative.
+
+## chalk for enterprise
+
+Available as part of the Tidelift Subscription.
+
+The maintainers of chalk and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-chalk?utm_source=npm-chalk&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+## Related
+
+- [chalk-cli](https://github.com/chalk/chalk-cli) - CLI for this module
+- [ansi-styles](https://github.com/chalk/ansi-styles) - ANSI escape codes for styling strings in the terminal
+- [supports-color](https://github.com/chalk/supports-color) - Detect whether a terminal supports color
+- [strip-ansi](https://github.com/chalk/strip-ansi) - Strip ANSI escape codes
+- [strip-ansi-stream](https://github.com/chalk/strip-ansi-stream) - Strip ANSI escape codes from a stream
+- [has-ansi](https://github.com/chalk/has-ansi) - Check if a string has ANSI escape codes
+- [ansi-regex](https://github.com/chalk/ansi-regex) - Regular expression for matching ANSI escape codes
+- [wrap-ansi](https://github.com/chalk/wrap-ansi) - Wordwrap a string with ANSI escape codes
+- [slice-ansi](https://github.com/chalk/slice-ansi) - Slice a string with ANSI escape codes
+- [color-convert](https://github.com/qix-/color-convert) - Converts colors between different models
+- [chalk-animation](https://github.com/bokub/chalk-animation) - Animate strings in the terminal
+- [gradient-string](https://github.com/bokub/gradient-string) - Apply color gradients to strings
+- [chalk-pipe](https://github.com/LitoMore/chalk-pipe) - Create chalk style schemes with simpler style strings
+- [terminal-link](https://github.com/sindresorhus/terminal-link) - Create clickable links in the terminal
+
+## Maintainers
+
+- [Sindre Sorhus](https://github.com/sindresorhus)
+- [Josh Junon](https://github.com/qix-)
diff --git a/web/public/node_modules/chalk/source/index.js b/web/public/node_modules/chalk/source/index.js
new file mode 100644
index 000000000..75ec66350
--- /dev/null
+++ b/web/public/node_modules/chalk/source/index.js
@@ -0,0 +1,229 @@
+'use strict';
+const ansiStyles = require('ansi-styles');
+const {stdout: stdoutColor, stderr: stderrColor} = require('supports-color');
+const {
+	stringReplaceAll,
+	stringEncaseCRLFWithFirstIndex
+} = require('./util');
+
+const {isArray} = Array;
+
+// `supportsColor.level` → `ansiStyles.color[name]` mapping
+const levelMapping = [
+	'ansi',
+	'ansi',
+	'ansi256',
+	'ansi16m'
+];
+
+const styles = Object.create(null);
+
+const applyOptions = (object, options = {}) => {
+	if (options.level && !(Number.isInteger(options.level) && options.level >= 0 && options.level <= 3)) {
+		throw new Error('The `level` option should be an integer from 0 to 3');
+	}
+
+	// Detect level if not set manually
+	const colorLevel = stdoutColor ? stdoutColor.level : 0;
+	object.level = options.level === undefined ? colorLevel : options.level;
+};
+
+class ChalkClass {
+	constructor(options) {
+		// eslint-disable-next-line no-constructor-return
+		return chalkFactory(options);
+	}
+}
+
+const chalkFactory = options => {
+	const chalk = {};
+	applyOptions(chalk, options);
+
+	chalk.template = (...arguments_) => chalkTag(chalk.template, ...arguments_);
+
+	Object.setPrototypeOf(chalk, Chalk.prototype);
+	Object.setPrototypeOf(chalk.template, chalk);
+
+	chalk.template.constructor = () => {
+		throw new Error('`chalk.constructor()` is deprecated. Use `new chalk.Instance()` instead.');
+	};
+
+	chalk.template.Instance = ChalkClass;
+
+	return chalk.template;
+};
+
+function Chalk(options) {
+	return chalkFactory(options);
+}
+
+for (const [styleName, style] of Object.entries(ansiStyles)) {
+	styles[styleName] = {
+		get() {
+			const builder = createBuilder(this, createStyler(style.open, style.close, this._styler), this._isEmpty);
+			Object.defineProperty(this, styleName, {value: builder});
+			return builder;
+		}
+	};
+}
+
+styles.visible = {
+	get() {
+		const builder = createBuilder(this, this._styler, true);
+		Object.defineProperty(this, 'visible', {value: builder});
+		return builder;
+	}
+};
+
+const usedModels = ['rgb', 'hex', 'keyword', 'hsl', 'hsv', 'hwb', 'ansi', 'ansi256'];
+
+for (const model of usedModels) {
+	styles[model] = {
+		get() {
+			const {level} = this;
+			return function (...arguments_) {
+				const styler = createStyler(ansiStyles.color[levelMapping[level]][model](...arguments_), ansiStyles.color.close, this._styler);
+				return createBuilder(this, styler, this._isEmpty);
+			};
+		}
+	};
+}
+
+for (const model of usedModels) {
+	const bgModel = 'bg' + model[0].toUpperCase() + model.slice(1);
+	styles[bgModel] = {
+		get() {
+			const {level} = this;
+			return function (...arguments_) {
+				const styler = createStyler(ansiStyles.bgColor[levelMapping[level]][model](...arguments_), ansiStyles.bgColor.close, this._styler);
+				return createBuilder(this, styler, this._isEmpty);
+			};
+		}
+	};
+}
+
+const proto = Object.defineProperties(() => {}, {
+	...styles,
+	level: {
+		enumerable: true,
+		get() {
+			return this._generator.level;
+		},
+		set(level) {
+			this._generator.level = level;
+		}
+	}
+});
+
+const createStyler = (open, close, parent) => {
+	let openAll;
+	let closeAll;
+	if (parent === undefined) {
+		openAll = open;
+		closeAll = close;
+	} else {
+		openAll = parent.openAll + open;
+		closeAll = close + parent.closeAll;
+	}
+
+	return {
+		open,
+		close,
+		openAll,
+		closeAll,
+		parent
+	};
+};
+
+const createBuilder = (self, _styler, _isEmpty) => {
+	const builder = (...arguments_) => {
+		if (isArray(arguments_[0]) && isArray(arguments_[0].raw)) {
+			// Called as a template literal, for example: chalk.red`2 + 3 = {bold ${2+3}}`
+			return applyStyle(builder, chalkTag(builder, ...arguments_));
+		}
+
+		// Single argument is hot path, implicit coercion is faster than anything
+		// eslint-disable-next-line no-implicit-coercion
+		return applyStyle(builder, (arguments_.length === 1) ? ('' + arguments_[0]) : arguments_.join(' '));
+	};
+
+	// We alter the prototype because we must return a function, but there is
+	// no way to create a function with a different prototype
+	Object.setPrototypeOf(builder, proto);
+
+	builder._generator = self;
+	builder._styler = _styler;
+	builder._isEmpty = _isEmpty;
+
+	return builder;
+};
+
+const applyStyle = (self, string) => {
+	if (self.level <= 0 || !string) {
+		return self._isEmpty ? '' : string;
+	}
+
+	let styler = self._styler;
+
+	if (styler === undefined) {
+		return string;
+	}
+
+	const {openAll, closeAll} = styler;
+	if (string.indexOf('\u001B') !== -1) {
+		while (styler !== undefined) {
+			// Replace any instances already present with a re-opening code
+			// otherwise only the part of the string until said closing code
+			// will be colored, and the rest will simply be 'plain'.
+			string = stringReplaceAll(string, styler.close, styler.open);
+
+			styler = styler.parent;
+		}
+	}
+
+	// We can move both next actions out of loop, because remaining actions in loop won't have
+	// any/visible effect on parts we add here. Close the styling before a linebreak and reopen
+	// after next line to fix a bleed issue on macOS: https://github.com/chalk/chalk/pull/92
+	const lfIndex = string.indexOf('\n');
+	if (lfIndex !== -1) {
+		string = stringEncaseCRLFWithFirstIndex(string, closeAll, openAll, lfIndex);
+	}
+
+	return openAll + string + closeAll;
+};
+
+let template;
+const chalkTag = (chalk, ...strings) => {
+	const [firstString] = strings;
+
+	if (!isArray(firstString) || !isArray(firstString.raw)) {
+		// If chalk() was called by itself or with a string,
+		// return the string itself as a string.
+		return strings.join(' ');
+	}
+
+	const arguments_ = strings.slice(1);
+	const parts = [firstString.raw[0]];
+
+	for (let i = 1; i < firstString.length; i++) {
+		parts.push(
+			String(arguments_[i - 1]).replace(/[{}\\]/g, '\\$&'),
+			String(firstString.raw[i])
+		);
+	}
+
+	if (template === undefined) {
+		template = require('./templates');
+	}
+
+	return template(chalk, parts.join(''));
+};
+
+Object.defineProperties(Chalk.prototype, styles);
+
+const chalk = Chalk(); // eslint-disable-line new-cap
+chalk.supportsColor = stdoutColor;
+chalk.stderr = Chalk({level: stderrColor ? stderrColor.level : 0}); // eslint-disable-line new-cap
+chalk.stderr.supportsColor = stderrColor;
+
+module.exports = chalk;
diff --git a/web/public/node_modules/chalk/source/templates.js b/web/public/node_modules/chalk/source/templates.js
new file mode 100644
index 000000000..b130949d6
--- /dev/null
+++ b/web/public/node_modules/chalk/source/templates.js
@@ -0,0 +1,134 @@
+'use strict';
+const TEMPLATE_REGEX = /(?:\\(u(?:[a-f\d]{4}|\{[a-f\d]{1,6}\})|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
+const STYLE_REGEX = /(?:^|\.)(\w+)(?:\(([^)]*)\))?/g;
+const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/;
+const ESCAPE_REGEX = /\\(u(?:[a-f\d]{4}|{[a-f\d]{1,6}})|x[a-f\d]{2}|.)|([^\\])/gi;
+
+const ESCAPES = new Map([
+	['n', '\n'],
+	['r', '\r'],
+	['t', '\t'],
+	['b', '\b'],
+	['f', '\f'],
+	['v', '\v'],
+	['0', '\0'],
+	['\\', '\\'],
+	['e', '\u001B'],
+	['a', '\u0007']
+]);
+
+function unescape(c) {
+	const u = c[0] === 'u';
+	const bracket = c[1] === '{';
+
+	if ((u && !bracket && c.length === 5) || (c[0] === 'x' && c.length === 3)) {
+		return String.fromCharCode(parseInt(c.slice(1), 16));
+	}
+
+	if (u && bracket) {
+		return String.fromCodePoint(parseInt(c.slice(2, -1), 16));
+	}
+
+	return ESCAPES.get(c) || c;
+}
+
+function parseArguments(name, arguments_) {
+	const results = [];
+	const chunks = arguments_.trim().split(/\s*,\s*/g);
+	let matches;
+
+	for (const chunk of chunks) {
+		const number = Number(chunk);
+		if (!Number.isNaN(number)) {
+			results.push(number);
+		} else if ((matches = chunk.match(STRING_REGEX))) {
+			results.push(matches[2].replace(ESCAPE_REGEX, (m, escape, character) => escape ? unescape(escape) : character));
+		} else {
+			throw new Error(`Invalid Chalk template style argument: ${chunk} (in style '${name}')`);
+		}
+	}
+
+	return results;
+}
+
+function parseStyle(style) {
+	STYLE_REGEX.lastIndex = 0;
+
+	const results = [];
+	let matches;
+
+	while ((matches = STYLE_REGEX.exec(style)) !== null) {
+		const name = matches[1];
+
+		if (matches[2]) {
+			const args = parseArguments(name, matches[2]);
+			results.push([name].concat(args));
+		} else {
+			results.push([name]);
+		}
+	}
+
+	return results;
+}
+
+function buildStyle(chalk, styles) {
+	const enabled = {};
+
+	for (const layer of styles) {
+		for (const style of layer.styles) {
+			enabled[style[0]] = layer.inverse ? null : style.slice(1);
+		}
+	}
+
+	let current = chalk;
+	for (const [styleName, styles] of Object.entries(enabled)) {
+		if (!Array.isArray(styles)) {
+			continue;
+		}
+
+		if (!(styleName in current)) {
+			throw new Error(`Unknown Chalk style: ${styleName}`);
+		}
+
+		current = styles.length > 0 ? current[styleName](...styles) : current[styleName];
+	}
+
+	return current;
+}
+
+module.exports = (chalk, temporary) => {
+	const styles = [];
+	const chunks = [];
+	let chunk = [];
+
+	// eslint-disable-next-line max-params
+	temporary.replace(TEMPLATE_REGEX, (m, escapeCharacter, inverse, style, close, character) => {
+		if (escapeCharacter) {
+			chunk.push(unescape(escapeCharacter));
+		} else if (style) {
+			const string = chunk.join('');
+			chunk = [];
+			chunks.push(styles.length === 0 ? string : buildStyle(chalk, styles)(string));
+			styles.push({inverse, styles: parseStyle(style)});
+		} else if (close) {
+			if (styles.length === 0) {
+				throw new Error('Found extraneous } in Chalk template literal');
+			}
+
+			chunks.push(buildStyle(chalk, styles)(chunk.join('')));
+			chunk = [];
+			styles.pop();
+		} else {
+			chunk.push(character);
+		}
+	});
+
+	chunks.push(chunk.join(''));
+
+	if (styles.length > 0) {
+		const errMessage = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`;
+		throw new Error(errMessage);
+	}
+
+	return chunks.join('');
+};
diff --git a/web/public/node_modules/chalk/source/util.js b/web/public/node_modules/chalk/source/util.js
new file mode 100644
index 000000000..ca466fd46
--- /dev/null
+++ b/web/public/node_modules/chalk/source/util.js
@@ -0,0 +1,39 @@
+'use strict';
+
+const stringReplaceAll = (string, substring, replacer) => {
+	let index = string.indexOf(substring);
+	if (index === -1) {
+		return string;
+	}
+
+	const substringLength = substring.length;
+	let endIndex = 0;
+	let returnValue = '';
+	do {
+		returnValue += string.substr(endIndex, index - endIndex) + substring + replacer;
+		endIndex = index + substringLength;
+		index = string.indexOf(substring, endIndex);
+	} while (index !== -1);
+
+	returnValue += string.substr(endIndex);
+	return returnValue;
+};
+
+const stringEncaseCRLFWithFirstIndex = (string, prefix, postfix, index) => {
+	let endIndex = 0;
+	let returnValue = '';
+	do {
+		const gotCR = string[index - 1] === '\r';
+		returnValue += string.substr(endIndex, (gotCR ? index - 1 : index) - endIndex) + prefix + (gotCR ? '\r\n' : '\n') + postfix;
+		endIndex = index + 1;
+		index = string.indexOf('\n', endIndex);
+	} while (index !== -1);
+
+	returnValue += string.substr(endIndex);
+	return returnValue;
+};
+
+module.exports = {
+	stringReplaceAll,
+	stringEncaseCRLFWithFirstIndex
+};
diff --git a/web/public/node_modules/color-convert/CHANGELOG.md b/web/public/node_modules/color-convert/CHANGELOG.md
new file mode 100644
index 000000000..0a7bce4fd
--- /dev/null
+++ b/web/public/node_modules/color-convert/CHANGELOG.md
@@ -0,0 +1,54 @@
+# 1.0.0 - 2016-01-07
+
+- Removed: unused speed test
+- Added: Automatic routing between previously unsupported conversions
+([#27](https://github.com/Qix-/color-convert/pull/27))
+- Removed: `xxx2xxx()` and `xxx2xxxRaw()` functions
+([#27](https://github.com/Qix-/color-convert/pull/27))
+- Removed: `convert()` class
+([#27](https://github.com/Qix-/color-convert/pull/27))
+- Changed: all functions to lookup dictionary
+([#27](https://github.com/Qix-/color-convert/pull/27))
+- Changed: `ansi` to `ansi256`
+([#27](https://github.com/Qix-/color-convert/pull/27))
+- Fixed: argument grouping for functions requiring only one argument
+([#27](https://github.com/Qix-/color-convert/pull/27))
+
+# 0.6.0 - 2015-07-23
+
+- Added: methods to handle
+[ANSI](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors) 16/256 colors:
+  - rgb2ansi16
+  - rgb2ansi
+  - hsl2ansi16
+  - hsl2ansi
+  - hsv2ansi16
+  - hsv2ansi
+  - hwb2ansi16
+  - hwb2ansi
+  - cmyk2ansi16
+  - cmyk2ansi
+  - keyword2ansi16
+  - keyword2ansi
+  - ansi162rgb
+  - ansi162hsl
+  - ansi162hsv
+  - ansi162hwb
+  - ansi162cmyk
+  - ansi162keyword
+  - ansi2rgb
+  - ansi2hsl
+  - ansi2hsv
+  - ansi2hwb
+  - ansi2cmyk
+  - ansi2keyword
+([#18](https://github.com/harthur/color-convert/pull/18))
+
+# 0.5.3 - 2015-06-02
+
+- Fixed: hsl2hsv does not return `NaN` anymore when using `[0,0,0]`
+([#15](https://github.com/harthur/color-convert/issues/15))
+
+---
+
+Check out commit logs for older releases
diff --git a/web/public/node_modules/color-convert/LICENSE b/web/public/node_modules/color-convert/LICENSE
new file mode 100644
index 000000000..5b4c386f9
--- /dev/null
+++ b/web/public/node_modules/color-convert/LICENSE
@@ -0,0 +1,21 @@
+Copyright (c) 2011-2016 Heather Arthur <fayearthur@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/web/public/node_modules/color-convert/README.md b/web/public/node_modules/color-convert/README.md
new file mode 100644
index 000000000..d4b08fc36
--- /dev/null
+++ b/web/public/node_modules/color-convert/README.md
@@ -0,0 +1,68 @@
+# color-convert
+
+[![Build Status](https://travis-ci.org/Qix-/color-convert.svg?branch=master)](https://travis-ci.org/Qix-/color-convert)
+
+Color-convert is a color conversion library for JavaScript and node.
+It converts all ways between `rgb`, `hsl`, `hsv`, `hwb`, `cmyk`, `ansi`, `ansi16`, `hex` strings, and CSS `keyword`s (will round to closest):
+
+```js
+var convert = require('color-convert');
+
+convert.rgb.hsl(140, 200, 100);             // [96, 48, 59]
+convert.keyword.rgb('blue');                // [0, 0, 255]
+
+var rgbChannels = convert.rgb.channels;     // 3
+var cmykChannels = convert.cmyk.channels;   // 4
+var ansiChannels = convert.ansi16.channels; // 1
+```
+
+# Install
+
+```console
+$ npm install color-convert
+```
+
+# API
+
+Simply get the property of the _from_ and _to_ conversion that you're looking for.
+
+All functions have a rounded and unrounded variant. By default, return values are rounded. To get the unrounded (raw) results, simply tack on `.raw` to the function.
+
+All 'from' functions have a hidden property called `.channels` that indicates the number of channels the function expects (not including alpha).
+
+```js
+var convert = require('color-convert');
+
+// Hex to LAB
+convert.hex.lab('DEADBF');         // [ 76, 21, -2 ]
+convert.hex.lab.raw('DEADBF');     // [ 75.56213190997677, 20.653827952644754, -2.290532499330533 ]
+
+// RGB to CMYK
+convert.rgb.cmyk(167, 255, 4);     // [ 35, 0, 98, 0 ]
+convert.rgb.cmyk.raw(167, 255, 4); // [ 34.509803921568626, 0, 98.43137254901961, 0 ]
+```
+
+### Arrays
+All functions that accept multiple arguments also support passing an array.
+
+Note that this does **not** apply to functions that convert from a color that only requires one value (e.g. `keyword`, `ansi256`, `hex`, etc.)
+
+```js
+var convert = require('color-convert');
+
+convert.rgb.hex(123, 45, 67);      // '7B2D43'
+convert.rgb.hex([123, 45, 67]);    // '7B2D43'
+```
+
+## Routing
+
+Conversions that don't have an _explicitly_ defined conversion (in [conversions.js](conversions.js)), but can be converted by means of sub-conversions (e.g. XYZ -> **RGB** -> CMYK), are automatically routed together. This allows just about any color model supported by `color-convert` to be converted to any other model, so long as a sub-conversion path exists. This is also true for conversions requiring more than one step in between (e.g. LCH -> **LAB** -> **XYZ** -> **RGB** -> Hex).
+
+Keep in mind that extensive conversions _may_ result in a loss of precision, and exist only to be complete. For a list of "direct" (single-step) conversions, see [conversions.js](conversions.js).
+
+# Contribute
+
+If there is a new model you would like to support, or want to add a direct conversion between two existing models, please send us a pull request.
+
+# License
+Copyright &copy; 2011-2016, Heather Arthur and Josh Junon. Licensed under the [MIT License](LICENSE).
diff --git a/web/public/node_modules/color-convert/conversions.js b/web/public/node_modules/color-convert/conversions.js
new file mode 100644
index 000000000..2657f265c
--- /dev/null
+++ b/web/public/node_modules/color-convert/conversions.js
@@ -0,0 +1,839 @@
+/* MIT license */
+/* eslint-disable no-mixed-operators */
+const cssKeywords = require('color-name');
+
+// NOTE: conversions should only return primitive values (i.e. arrays, or
+//       values that give correct `typeof` results).
+//       do not use box values types (i.e. Number(), String(), etc.)
+
+const reverseKeywords = {};
+for (const key of Object.keys(cssKeywords)) {
+	reverseKeywords[cssKeywords[key]] = key;
+}
+
+const convert = {
+	rgb: {channels: 3, labels: 'rgb'},
+	hsl: {channels: 3, labels: 'hsl'},
+	hsv: {channels: 3, labels: 'hsv'},
+	hwb: {channels: 3, labels: 'hwb'},
+	cmyk: {channels: 4, labels: 'cmyk'},
+	xyz: {channels: 3, labels: 'xyz'},
+	lab: {channels: 3, labels: 'lab'},
+	lch: {channels: 3, labels: 'lch'},
+	hex: {channels: 1, labels: ['hex']},
+	keyword: {channels: 1, labels: ['keyword']},
+	ansi16: {channels: 1, labels: ['ansi16']},
+	ansi256: {channels: 1, labels: ['ansi256']},
+	hcg: {channels: 3, labels: ['h', 'c', 'g']},
+	apple: {channels: 3, labels: ['r16', 'g16', 'b16']},
+	gray: {channels: 1, labels: ['gray']}
+};
+
+module.exports = convert;
+
+// Hide .channels and .labels properties
+for (const model of Object.keys(convert)) {
+	if (!('channels' in convert[model])) {
+		throw new Error('missing channels property: ' + model);
+	}
+
+	if (!('labels' in convert[model])) {
+		throw new Error('missing channel labels property: ' + model);
+	}
+
+	if (convert[model].labels.length !== convert[model].channels) {
+		throw new Error('channel and label counts mismatch: ' + model);
+	}
+
+	const {channels, labels} = convert[model];
+	delete convert[model].channels;
+	delete convert[model].labels;
+	Object.defineProperty(convert[model], 'channels', {value: channels});
+	Object.defineProperty(convert[model], 'labels', {value: labels});
+}
+
+convert.rgb.hsl = function (rgb) {
+	const r = rgb[0] / 255;
+	const g = rgb[1] / 255;
+	const b = rgb[2] / 255;
+	const min = Math.min(r, g, b);
+	const max = Math.max(r, g, b);
+	const delta = max - min;
+	let h;
+	let s;
+
+	if (max === min) {
+		h = 0;
+	} else if (r === max) {
+		h = (g - b) / delta;
+	} else if (g === max) {
+		h = 2 + (b - r) / delta;
+	} else if (b === max) {
+		h = 4 + (r - g) / delta;
+	}
+
+	h = Math.min(h * 60, 360);
+
+	if (h < 0) {
+		h += 360;
+	}
+
+	const l = (min + max) / 2;
+
+	if (max === min) {
+		s = 0;
+	} else if (l <= 0.5) {
+		s = delta / (max + min);
+	} else {
+		s = delta / (2 - max - min);
+	}
+
+	return [h, s * 100, l * 100];
+};
+
+convert.rgb.hsv = function (rgb) {
+	let rdif;
+	let gdif;
+	let bdif;
+	let h;
+	let s;
+
+	const r = rgb[0] / 255;
+	const g = rgb[1] / 255;
+	const b = rgb[2] / 255;
+	const v = Math.max(r, g, b);
+	const diff = v - Math.min(r, g, b);
+	const diffc = function (c) {
+		return (v - c) / 6 / diff + 1 / 2;
+	};
+
+	if (diff === 0) {
+		h = 0;
+		s = 0;
+	} else {
+		s = diff / v;
+		rdif = diffc(r);
+		gdif = diffc(g);
+		bdif = diffc(b);
+
+		if (r === v) {
+			h = bdif - gdif;
+		} else if (g === v) {
+			h = (1 / 3) + rdif - bdif;
+		} else if (b === v) {
+			h = (2 / 3) + gdif - rdif;
+		}
+
+		if (h < 0) {
+			h += 1;
+		} else if (h > 1) {
+			h -= 1;
+		}
+	}
+
+	return [
+		h * 360,
+		s * 100,
+		v * 100
+	];
+};
+
+convert.rgb.hwb = function (rgb) {
+	const r = rgb[0];
+	const g = rgb[1];
+	let b = rgb[2];
+	const h = convert.rgb.hsl(rgb)[0];
+	const w = 1 / 255 * Math.min(r, Math.min(g, b));
+
+	b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
+
+	return [h, w * 100, b * 100];
+};
+
+convert.rgb.cmyk = function (rgb) {
+	const r = rgb[0] / 255;
+	const g = rgb[1] / 255;
+	const b = rgb[2] / 255;
+
+	const k = Math.min(1 - r, 1 - g, 1 - b);
+	const c = (1 - r - k) / (1 - k) || 0;
+	const m = (1 - g - k) / (1 - k) || 0;
+	const y = (1 - b - k) / (1 - k) || 0;
+
+	return [c * 100, m * 100, y * 100, k * 100];
+};
+
+function comparativeDistance(x, y) {
+	/*
+		See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance
+	*/
+	return (
+		((x[0] - y[0]) ** 2) +
+		((x[1] - y[1]) ** 2) +
+		((x[2] - y[2]) ** 2)
+	);
+}
+
+convert.rgb.keyword = function (rgb) {
+	const reversed = reverseKeywords[rgb];
+	if (reversed) {
+		return reversed;
+	}
+
+	let currentClosestDistance = Infinity;
+	let currentClosestKeyword;
+
+	for (const keyword of Object.keys(cssKeywords)) {
+		const value = cssKeywords[keyword];
+
+		// Compute comparative distance
+		const distance = comparativeDistance(rgb, value);
+
+		// Check if its less, if so set as closest
+		if (distance < currentClosestDistance) {
+			currentClosestDistance = distance;
+			currentClosestKeyword = keyword;
+		}
+	}
+
+	return currentClosestKeyword;
+};
+
+convert.keyword.rgb = function (keyword) {
+	return cssKeywords[keyword];
+};
+
+convert.rgb.xyz = function (rgb) {
+	let r = rgb[0] / 255;
+	let g = rgb[1] / 255;
+	let b = rgb[2] / 255;
+
+	// Assume sRGB
+	r = r > 0.04045 ? (((r + 0.055) / 1.055) ** 2.4) : (r / 12.92);
+	g = g > 0.04045 ? (((g + 0.055) / 1.055) ** 2.4) : (g / 12.92);
+	b = b > 0.04045 ? (((b + 0.055) / 1.055) ** 2.4) : (b / 12.92);
+
+	const x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
+	const y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
+	const z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
+
+	return [x * 100, y * 100, z * 100];
+};
+
+convert.rgb.lab = function (rgb) {
+	const xyz = convert.rgb.xyz(rgb);
+	let x = xyz[0];
+	let y = xyz[1];
+	let z = xyz[2];
+
+	x /= 95.047;
+	y /= 100;
+	z /= 108.883;
+
+	x = x > 0.008856 ? (x ** (1 / 3)) : (7.787 * x) + (16 / 116);
+	y = y > 0.008856 ? (y ** (1 / 3)) : (7.787 * y) + (16 / 116);
+	z = z > 0.008856 ? (z ** (1 / 3)) : (7.787 * z) + (16 / 116);
+
+	const l = (116 * y) - 16;
+	const a = 500 * (x - y);
+	const b = 200 * (y - z);
+
+	return [l, a, b];
+};
+
+convert.hsl.rgb = function (hsl) {
+	const h = hsl[0] / 360;
+	const s = hsl[1] / 100;
+	const l = hsl[2] / 100;
+	let t2;
+	let t3;
+	let val;
+
+	if (s === 0) {
+		val = l * 255;
+		return [val, val, val];
+	}
+
+	if (l < 0.5) {
+		t2 = l * (1 + s);
+	} else {
+		t2 = l + s - l * s;
+	}
+
+	const t1 = 2 * l - t2;
+
+	const rgb = [0, 0, 0];
+	for (let i = 0; i < 3; i++) {
+		t3 = h + 1 / 3 * -(i - 1);
+		if (t3 < 0) {
+			t3++;
+		}
+
+		if (t3 > 1) {
+			t3--;
+		}
+
+		if (6 * t3 < 1) {
+			val = t1 + (t2 - t1) * 6 * t3;
+		} else if (2 * t3 < 1) {
+			val = t2;
+		} else if (3 * t3 < 2) {
+			val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
+		} else {
+			val = t1;
+		}
+
+		rgb[i] = val * 255;
+	}
+
+	return rgb;
+};
+
+convert.hsl.hsv = function (hsl) {
+	const h = hsl[0];
+	let s = hsl[1] / 100;
+	let l = hsl[2] / 100;
+	let smin = s;
+	const lmin = Math.max(l, 0.01);
+
+	l *= 2;
+	s *= (l <= 1) ? l : 2 - l;
+	smin *= lmin <= 1 ? lmin : 2 - lmin;
+	const v = (l + s) / 2;
+	const sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);
+
+	return [h, sv * 100, v * 100];
+};
+
+convert.hsv.rgb = function (hsv) {
+	const h = hsv[0] / 60;
+	const s = hsv[1] / 100;
+	let v = hsv[2] / 100;
+	const hi = Math.floor(h) % 6;
+
+	const f = h - Math.floor(h);
+	const p = 255 * v * (1 - s);
+	const q = 255 * v * (1 - (s * f));
+	const t = 255 * v * (1 - (s * (1 - f)));
+	v *= 255;
+
+	switch (hi) {
+		case 0:
+			return [v, t, p];
+		case 1:
+			return [q, v, p];
+		case 2:
+			return [p, v, t];
+		case 3:
+			return [p, q, v];
+		case 4:
+			return [t, p, v];
+		case 5:
+			return [v, p, q];
+	}
+};
+
+convert.hsv.hsl = function (hsv) {
+	const h = hsv[0];
+	const s = hsv[1] / 100;
+	const v = hsv[2] / 100;
+	const vmin = Math.max(v, 0.01);
+	let sl;
+	let l;
+
+	l = (2 - s) * v;
+	const lmin = (2 - s) * vmin;
+	sl = s * vmin;
+	sl /= (lmin <= 1) ? lmin : 2 - lmin;
+	sl = sl || 0;
+	l /= 2;
+
+	return [h, sl * 100, l * 100];
+};
+
+// http://dev.w3.org/csswg/css-color/#hwb-to-rgb
+convert.hwb.rgb = function (hwb) {
+	const h = hwb[0] / 360;
+	let wh = hwb[1] / 100;
+	let bl = hwb[2] / 100;
+	const ratio = wh + bl;
+	let f;
+
+	// Wh + bl cant be > 1
+	if (ratio > 1) {
+		wh /= ratio;
+		bl /= ratio;
+	}
+
+	const i = Math.floor(6 * h);
+	const v = 1 - bl;
+	f = 6 * h - i;
+
+	if ((i & 0x01) !== 0) {
+		f = 1 - f;
+	}
+
+	const n = wh + f * (v - wh); // Linear interpolation
+
+	let r;
+	let g;
+	let b;
+	/* eslint-disable max-statements-per-line,no-multi-spaces */
+	switch (i) {
+		default:
+		case 6:
+		case 0: r = v;  g = n;  b = wh; break;
+		case 1: r = n;  g = v;  b = wh; break;
+		case 2: r = wh; g = v;  b = n; break;
+		case 3: r = wh; g = n;  b = v; break;
+		case 4: r = n;  g = wh; b = v; break;
+		case 5: r = v;  g = wh; b = n; break;
+	}
+	/* eslint-enable max-statements-per-line,no-multi-spaces */
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.cmyk.rgb = function (cmyk) {
+	const c = cmyk[0] / 100;
+	const m = cmyk[1] / 100;
+	const y = cmyk[2] / 100;
+	const k = cmyk[3] / 100;
+
+	const r = 1 - Math.min(1, c * (1 - k) + k);
+	const g = 1 - Math.min(1, m * (1 - k) + k);
+	const b = 1 - Math.min(1, y * (1 - k) + k);
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.rgb = function (xyz) {
+	const x = xyz[0] / 100;
+	const y = xyz[1] / 100;
+	const z = xyz[2] / 100;
+	let r;
+	let g;
+	let b;
+
+	r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
+	g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
+	b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
+
+	// Assume sRGB
+	r = r > 0.0031308
+		? ((1.055 * (r ** (1.0 / 2.4))) - 0.055)
+		: r * 12.92;
+
+	g = g > 0.0031308
+		? ((1.055 * (g ** (1.0 / 2.4))) - 0.055)
+		: g * 12.92;
+
+	b = b > 0.0031308
+		? ((1.055 * (b ** (1.0 / 2.4))) - 0.055)
+		: b * 12.92;
+
+	r = Math.min(Math.max(0, r), 1);
+	g = Math.min(Math.max(0, g), 1);
+	b = Math.min(Math.max(0, b), 1);
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.lab = function (xyz) {
+	let x = xyz[0];
+	let y = xyz[1];
+	let z = xyz[2];
+
+	x /= 95.047;
+	y /= 100;
+	z /= 108.883;
+
+	x = x > 0.008856 ? (x ** (1 / 3)) : (7.787 * x) + (16 / 116);
+	y = y > 0.008856 ? (y ** (1 / 3)) : (7.787 * y) + (16 / 116);
+	z = z > 0.008856 ? (z ** (1 / 3)) : (7.787 * z) + (16 / 116);
+
+	const l = (116 * y) - 16;
+	const a = 500 * (x - y);
+	const b = 200 * (y - z);
+
+	return [l, a, b];
+};
+
+convert.lab.xyz = function (lab) {
+	const l = lab[0];
+	const a = lab[1];
+	const b = lab[2];
+	let x;
+	let y;
+	let z;
+
+	y = (l + 16) / 116;
+	x = a / 500 + y;
+	z = y - b / 200;
+
+	const y2 = y ** 3;
+	const x2 = x ** 3;
+	const z2 = z ** 3;
+	y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;
+	x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;
+	z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;
+
+	x *= 95.047;
+	y *= 100;
+	z *= 108.883;
+
+	return [x, y, z];
+};
+
+convert.lab.lch = function (lab) {
+	const l = lab[0];
+	const a = lab[1];
+	const b = lab[2];
+	let h;
+
+	const hr = Math.atan2(b, a);
+	h = hr * 360 / 2 / Math.PI;
+
+	if (h < 0) {
+		h += 360;
+	}
+
+	const c = Math.sqrt(a * a + b * b);
+
+	return [l, c, h];
+};
+
+convert.lch.lab = function (lch) {
+	const l = lch[0];
+	const c = lch[1];
+	const h = lch[2];
+
+	const hr = h / 360 * 2 * Math.PI;
+	const a = c * Math.cos(hr);
+	const b = c * Math.sin(hr);
+
+	return [l, a, b];
+};
+
+convert.rgb.ansi16 = function (args, saturation = null) {
+	const [r, g, b] = args;
+	let value = saturation === null ? convert.rgb.hsv(args)[2] : saturation; // Hsv -> ansi16 optimization
+
+	value = Math.round(value / 50);
+
+	if (value === 0) {
+		return 30;
+	}
+
+	let ansi = 30
+		+ ((Math.round(b / 255) << 2)
+		| (Math.round(g / 255) << 1)
+		| Math.round(r / 255));
+
+	if (value === 2) {
+		ansi += 60;
+	}
+
+	return ansi;
+};
+
+convert.hsv.ansi16 = function (args) {
+	// Optimization here; we already know the value and don't need to get
+	// it converted for us.
+	return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
+};
+
+convert.rgb.ansi256 = function (args) {
+	const r = args[0];
+	const g = args[1];
+	const b = args[2];
+
+	// We use the extended greyscale palette here, with the exception of
+	// black and white. normal palette only has 4 greyscale shades.
+	if (r === g && g === b) {
+		if (r < 8) {
+			return 16;
+		}
+
+		if (r > 248) {
+			return 231;
+		}
+
+		return Math.round(((r - 8) / 247) * 24) + 232;
+	}
+
+	const ansi = 16
+		+ (36 * Math.round(r / 255 * 5))
+		+ (6 * Math.round(g / 255 * 5))
+		+ Math.round(b / 255 * 5);
+
+	return ansi;
+};
+
+convert.ansi16.rgb = function (args) {
+	let color = args % 10;
+
+	// Handle greyscale
+	if (color === 0 || color === 7) {
+		if (args > 50) {
+			color += 3.5;
+		}
+
+		color = color / 10.5 * 255;
+
+		return [color, color, color];
+	}
+
+	const mult = (~~(args > 50) + 1) * 0.5;
+	const r = ((color & 1) * mult) * 255;
+	const g = (((color >> 1) & 1) * mult) * 255;
+	const b = (((color >> 2) & 1) * mult) * 255;
+
+	return [r, g, b];
+};
+
+convert.ansi256.rgb = function (args) {
+	// Handle greyscale
+	if (args >= 232) {
+		const c = (args - 232) * 10 + 8;
+		return [c, c, c];
+	}
+
+	args -= 16;
+
+	let rem;
+	const r = Math.floor(args / 36) / 5 * 255;
+	const g = Math.floor((rem = args % 36) / 6) / 5 * 255;
+	const b = (rem % 6) / 5 * 255;
+
+	return [r, g, b];
+};
+
+convert.rgb.hex = function (args) {
+	const integer = ((Math.round(args[0]) & 0xFF) << 16)
+		+ ((Math.round(args[1]) & 0xFF) << 8)
+		+ (Math.round(args[2]) & 0xFF);
+
+	const string = integer.toString(16).toUpperCase();
+	return '000000'.substring(string.length) + string;
+};
+
+convert.hex.rgb = function (args) {
+	const match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
+	if (!match) {
+		return [0, 0, 0];
+	}
+
+	let colorString = match[0];
+
+	if (match[0].length === 3) {
+		colorString = colorString.split('').map(char => {
+			return char + char;
+		}).join('');
+	}
+
+	const integer = parseInt(colorString, 16);
+	const r = (integer >> 16) & 0xFF;
+	const g = (integer >> 8) & 0xFF;
+	const b = integer & 0xFF;
+
+	return [r, g, b];
+};
+
+convert.rgb.hcg = function (rgb) {
+	const r = rgb[0] / 255;
+	const g = rgb[1] / 255;
+	const b = rgb[2] / 255;
+	const max = Math.max(Math.max(r, g), b);
+	const min = Math.min(Math.min(r, g), b);
+	const chroma = (max - min);
+	let grayscale;
+	let hue;
+
+	if (chroma < 1) {
+		grayscale = min / (1 - chroma);
+	} else {
+		grayscale = 0;
+	}
+
+	if (chroma <= 0) {
+		hue = 0;
+	} else
+	if (max === r) {
+		hue = ((g - b) / chroma) % 6;
+	} else
+	if (max === g) {
+		hue = 2 + (b - r) / chroma;
+	} else {
+		hue = 4 + (r - g) / chroma;
+	}
+
+	hue /= 6;
+	hue %= 1;
+
+	return [hue * 360, chroma * 100, grayscale * 100];
+};
+
+convert.hsl.hcg = function (hsl) {
+	const s = hsl[1] / 100;
+	const l = hsl[2] / 100;
+
+	const c = l < 0.5 ? (2.0 * s * l) : (2.0 * s * (1.0 - l));
+
+	let f = 0;
+	if (c < 1.0) {
+		f = (l - 0.5 * c) / (1.0 - c);
+	}
+
+	return [hsl[0], c * 100, f * 100];
+};
+
+convert.hsv.hcg = function (hsv) {
+	const s = hsv[1] / 100;
+	const v = hsv[2] / 100;
+
+	const c = s * v;
+	let f = 0;
+
+	if (c < 1.0) {
+		f = (v - c) / (1 - c);
+	}
+
+	return [hsv[0], c * 100, f * 100];
+};
+
+convert.hcg.rgb = function (hcg) {
+	const h = hcg[0] / 360;
+	const c = hcg[1] / 100;
+	const g = hcg[2] / 100;
+
+	if (c === 0.0) {
+		return [g * 255, g * 255, g * 255];
+	}
+
+	const pure = [0, 0, 0];
+	const hi = (h % 1) * 6;
+	const v = hi % 1;
+	const w = 1 - v;
+	let mg = 0;
+
+	/* eslint-disable max-statements-per-line */
+	switch (Math.floor(hi)) {
+		case 0:
+			pure[0] = 1; pure[1] = v; pure[2] = 0; break;
+		case 1:
+			pure[0] = w; pure[1] = 1; pure[2] = 0; break;
+		case 2:
+			pure[0] = 0; pure[1] = 1; pure[2] = v; break;
+		case 3:
+			pure[0] = 0; pure[1] = w; pure[2] = 1; break;
+		case 4:
+			pure[0] = v; pure[1] = 0; pure[2] = 1; break;
+		default:
+			pure[0] = 1; pure[1] = 0; pure[2] = w;
+	}
+	/* eslint-enable max-statements-per-line */
+
+	mg = (1.0 - c) * g;
+
+	return [
+		(c * pure[0] + mg) * 255,
+		(c * pure[1] + mg) * 255,
+		(c * pure[2] + mg) * 255
+	];
+};
+
+convert.hcg.hsv = function (hcg) {
+	const c = hcg[1] / 100;
+	const g = hcg[2] / 100;
+
+	const v = c + g * (1.0 - c);
+	let f = 0;
+
+	if (v > 0.0) {
+		f = c / v;
+	}
+
+	return [hcg[0], f * 100, v * 100];
+};
+
+convert.hcg.hsl = function (hcg) {
+	const c = hcg[1] / 100;
+	const g = hcg[2] / 100;
+
+	const l = g * (1.0 - c) + 0.5 * c;
+	let s = 0;
+
+	if (l > 0.0 && l < 0.5) {
+		s = c / (2 * l);
+	} else
+	if (l >= 0.5 && l < 1.0) {
+		s = c / (2 * (1 - l));
+	}
+
+	return [hcg[0], s * 100, l * 100];
+};
+
+convert.hcg.hwb = function (hcg) {
+	const c = hcg[1] / 100;
+	const g = hcg[2] / 100;
+	const v = c + g * (1.0 - c);
+	return [hcg[0], (v - c) * 100, (1 - v) * 100];
+};
+
+convert.hwb.hcg = function (hwb) {
+	const w = hwb[1] / 100;
+	const b = hwb[2] / 100;
+	const v = 1 - b;
+	const c = v - w;
+	let g = 0;
+
+	if (c < 1) {
+		g = (v - c) / (1 - c);
+	}
+
+	return [hwb[0], c * 100, g * 100];
+};
+
+convert.apple.rgb = function (apple) {
+	return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];
+};
+
+convert.rgb.apple = function (rgb) {
+	return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];
+};
+
+convert.gray.rgb = function (args) {
+	return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
+};
+
+convert.gray.hsl = function (args) {
+	return [0, 0, args[0]];
+};
+
+convert.gray.hsv = convert.gray.hsl;
+
+convert.gray.hwb = function (gray) {
+	return [0, 100, gray[0]];
+};
+
+convert.gray.cmyk = function (gray) {
+	return [0, 0, 0, gray[0]];
+};
+
+convert.gray.lab = function (gray) {
+	return [gray[0], 0, 0];
+};
+
+convert.gray.hex = function (gray) {
+	const val = Math.round(gray[0] / 100 * 255) & 0xFF;
+	const integer = (val << 16) + (val << 8) + val;
+
+	const string = integer.toString(16).toUpperCase();
+	return '000000'.substring(string.length) + string;
+};
+
+convert.rgb.gray = function (rgb) {
+	const val = (rgb[0] + rgb[1] + rgb[2]) / 3;
+	return [val / 255 * 100];
+};
diff --git a/web/public/node_modules/color-convert/index.js b/web/public/node_modules/color-convert/index.js
new file mode 100644
index 000000000..b648e5737
--- /dev/null
+++ b/web/public/node_modules/color-convert/index.js
@@ -0,0 +1,81 @@
+const conversions = require('./conversions');
+const route = require('./route');
+
+const convert = {};
+
+const models = Object.keys(conversions);
+
+function wrapRaw(fn) {
+	const wrappedFn = function (...args) {
+		const arg0 = args[0];
+		if (arg0 === undefined || arg0 === null) {
+			return arg0;
+		}
+
+		if (arg0.length > 1) {
+			args = arg0;
+		}
+
+		return fn(args);
+	};
+
+	// Preserve .conversion property if there is one
+	if ('conversion' in fn) {
+		wrappedFn.conversion = fn.conversion;
+	}
+
+	return wrappedFn;
+}
+
+function wrapRounded(fn) {
+	const wrappedFn = function (...args) {
+		const arg0 = args[0];
+
+		if (arg0 === undefined || arg0 === null) {
+			return arg0;
+		}
+
+		if (arg0.length > 1) {
+			args = arg0;
+		}
+
+		const result = fn(args);
+
+		// We're assuming the result is an array here.
+		// see notice in conversions.js; don't use box types
+		// in conversion functions.
+		if (typeof result === 'object') {
+			for (let len = result.length, i = 0; i < len; i++) {
+				result[i] = Math.round(result[i]);
+			}
+		}
+
+		return result;
+	};
+
+	// Preserve .conversion property if there is one
+	if ('conversion' in fn) {
+		wrappedFn.conversion = fn.conversion;
+	}
+
+	return wrappedFn;
+}
+
+models.forEach(fromModel => {
+	convert[fromModel] = {};
+
+	Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
+	Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
+
+	const routes = route(fromModel);
+	const routeModels = Object.keys(routes);
+
+	routeModels.forEach(toModel => {
+		const fn = routes[toModel];
+
+		convert[fromModel][toModel] = wrapRounded(fn);
+		convert[fromModel][toModel].raw = wrapRaw(fn);
+	});
+});
+
+module.exports = convert;
diff --git a/web/public/node_modules/color-convert/package.json b/web/public/node_modules/color-convert/package.json
new file mode 100644
index 000000000..6e48000c7
--- /dev/null
+++ b/web/public/node_modules/color-convert/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "color-convert",
+  "description": "Plain color conversion functions",
+  "version": "2.0.1",
+  "author": "Heather Arthur <fayearthur@gmail.com>",
+  "license": "MIT",
+  "repository": "Qix-/color-convert",
+  "scripts": {
+    "pretest": "xo",
+    "test": "node test/basic.js"
+  },
+  "engines": {
+    "node": ">=7.0.0"
+  },
+  "keywords": [
+    "color",
+    "colour",
+    "convert",
+    "converter",
+    "conversion",
+    "rgb",
+    "hsl",
+    "hsv",
+    "hwb",
+    "cmyk",
+    "ansi",
+    "ansi16"
+  ],
+  "files": [
+    "index.js",
+    "conversions.js",
+    "route.js"
+  ],
+  "xo": {
+    "rules": {
+      "default-case": 0,
+      "no-inline-comments": 0,
+      "operator-linebreak": 0
+    }
+  },
+  "devDependencies": {
+    "chalk": "^2.4.2",
+    "xo": "^0.24.0"
+  },
+  "dependencies": {
+    "color-name": "~1.1.4"
+  }
+}
diff --git a/web/public/node_modules/color-convert/route.js b/web/public/node_modules/color-convert/route.js
new file mode 100644
index 000000000..1a08521b5
--- /dev/null
+++ b/web/public/node_modules/color-convert/route.js
@@ -0,0 +1,97 @@
+const conversions = require('./conversions');
+
+/*
+	This function routes a model to all other models.
+
+	all functions that are routed have a property `.conversion` attached
+	to the returned synthetic function. This property is an array
+	of strings, each with the steps in between the 'from' and 'to'
+	color models (inclusive).
+
+	conversions that are not possible simply are not included.
+*/
+
+function buildGraph() {
+	const graph = {};
+	// https://jsperf.com/object-keys-vs-for-in-with-closure/3
+	const models = Object.keys(conversions);
+
+	for (let len = models.length, i = 0; i < len; i++) {
+		graph[models[i]] = {
+			// http://jsperf.com/1-vs-infinity
+			// micro-opt, but this is simple.
+			distance: -1,
+			parent: null
+		};
+	}
+
+	return graph;
+}
+
+// https://en.wikipedia.org/wiki/Breadth-first_search
+function deriveBFS(fromModel) {
+	const graph = buildGraph();
+	const queue = [fromModel]; // Unshift -> queue -> pop
+
+	graph[fromModel].distance = 0;
+
+	while (queue.length) {
+		const current = queue.pop();
+		const adjacents = Object.keys(conversions[current]);
+
+		for (let len = adjacents.length, i = 0; i < len; i++) {
+			const adjacent = adjacents[i];
+			const node = graph[adjacent];
+
+			if (node.distance === -1) {
+				node.distance = graph[current].distance + 1;
+				node.parent = current;
+				queue.unshift(adjacent);
+			}
+		}
+	}
+
+	return graph;
+}
+
+function link(from, to) {
+	return function (args) {
+		return to(from(args));
+	};
+}
+
+function wrapConversion(toModel, graph) {
+	const path = [graph[toModel].parent, toModel];
+	let fn = conversions[graph[toModel].parent][toModel];
+
+	let cur = graph[toModel].parent;
+	while (graph[cur].parent) {
+		path.unshift(graph[cur].parent);
+		fn = link(conversions[graph[cur].parent][cur], fn);
+		cur = graph[cur].parent;
+	}
+
+	fn.conversion = path;
+	return fn;
+}
+
+module.exports = function (fromModel) {
+	const graph = deriveBFS(fromModel);
+	const conversion = {};
+
+	const models = Object.keys(graph);
+	for (let len = models.length, i = 0; i < len; i++) {
+		const toModel = models[i];
+		const node = graph[toModel];
+
+		if (node.parent === null) {
+			// No possible conversion, or this node is the source model.
+			continue;
+		}
+
+		conversion[toModel] = wrapConversion(toModel, graph);
+	}
+
+	return conversion;
+};
+
diff --git a/web/public/node_modules/color-name/LICENSE b/web/public/node_modules/color-name/LICENSE
new file mode 100644
index 000000000..c6b100125
--- /dev/null
+++ b/web/public/node_modules/color-name/LICENSE
@@ -0,0 +1,8 @@
+The MIT License (MIT)
+Copyright (c) 2015 Dmitry Ivanov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/web/public/node_modules/color-name/README.md b/web/public/node_modules/color-name/README.md
new file mode 100644
index 000000000..932b97917
--- /dev/null
+++ b/web/public/node_modules/color-name/README.md
@@ -0,0 +1,11 @@
+A JSON with color names and its values. Based on http://dev.w3.org/csswg/css-color/#named-colors.
+
+[![NPM](https://nodei.co/npm/color-name.png?mini=true)](https://nodei.co/npm/color-name/)
+
+
+```js
+var colors = require('color-name');
+colors.red //[255,0,0]
+```
+
+<a href="LICENSE"><img src="https://upload.wikimedia.org/wikipedia/commons/0/0c/MIT_logo.svg" width="120"/></a>
diff --git a/web/public/node_modules/color-name/index.js b/web/public/node_modules/color-name/index.js
new file mode 100644
index 000000000..b7c198a6f
--- /dev/null
+++ b/web/public/node_modules/color-name/index.js
@@ -0,0 +1,152 @@
+'use strict'
+
+module.exports = {
+	"aliceblue": [240, 248, 255],
+	"antiquewhite": [250, 235, 215],
+	"aqua": [0, 255, 255],
+	"aquamarine": [127, 255, 212],
+	"azure": [240, 255, 255],
+	"beige": [245, 245, 220],
+	"bisque": [255, 228, 196],
+	"black": [0, 0, 0],
+	"blanchedalmond": [255, 235, 205],
+	"blue": [0, 0, 255],
+	"blueviolet": [138, 43, 226],
+	"brown": [165, 42, 42],
+	"burlywood": [222, 184, 135],
+	"cadetblue": [95, 158, 160],
+	"chartreuse": [127, 255, 0],
+	"chocolate": [210, 105, 30],
+	"coral": [255, 127, 80],
+	"cornflowerblue": [100, 149, 237],
+	"cornsilk": [255, 248, 220],
+	"crimson": [220, 20, 60],
+	"cyan": [0, 255, 255],
+	"darkblue": [0, 0, 139],
+	"darkcyan": [0, 139, 139],
+	"darkgoldenrod": [184, 134, 11],
+	"darkgray": [169, 169, 169],
+	"darkgreen": [0, 100, 0],
+	"darkgrey": [169, 169, 169],
+	"darkkhaki": [189, 183, 107],
+	"darkmagenta": [139, 0, 139],
+	"darkolivegreen": [85, 107, 47],
+	"darkorange": [255, 140, 0],
+	"darkorchid": [153, 50, 204],
+	"darkred": [139, 0, 0],
+	"darksalmon": [233, 150, 122],
+	"darkseagreen": [143, 188, 143],
+	"darkslateblue": [72, 61, 139],
+	"darkslategray": [47, 79, 79],
+	"darkslategrey": [47, 79, 79],
+	"darkturquoise": [0, 206, 209],
+	"darkviolet": [148, 0, 211],
+	"deeppink": [255, 20, 147],
+	"deepskyblue": [0, 191, 255],
+	"dimgray": [105, 105, 105],
+	"dimgrey": [105, 105, 105],
+	"dodgerblue": [30, 144, 255],
+	"firebrick": [178, 34, 34],
+	"floralwhite": [255, 250, 240],
+	"forestgreen": [34, 139, 34],
+	"fuchsia": [255, 0, 255],
+	"gainsboro": [220, 220, 220],
+	"ghostwhite": [248, 248, 255],
+	"gold": [255, 215, 0],
+	"goldenrod": [218, 165, 32],
+	"gray": [128, 128, 128],
+	"green": [0, 128, 0],
+	"greenyellow": [173, 255, 47],
+	"grey": [128, 128, 128],
+	"honeydew": [240, 255, 240],
+	"hotpink": [255, 105, 180],
+	"indianred": [205, 92, 92],
+	"indigo": [75, 0, 130],
+	"ivory": [255, 255, 240],
+	"khaki": [240, 230, 140],
+	"lavender": [230, 230, 250],
+	"lavenderblush": [255, 240, 245],
+	"lawngreen": [124, 252, 0],
+	"lemonchiffon": [255, 250, 205],
+	"lightblue": [173, 216, 230],
+	"lightcoral": [240, 128, 128],
+	"lightcyan": [224, 255, 255],
+	"lightgoldenrodyellow": [250, 250, 210],
+	"lightgray": [211, 211, 211],
+	"lightgreen": [144, 238, 144],
+	"lightgrey": [211, 211, 211],
+	"lightpink": [255, 182, 193],
+	"lightsalmon": [255, 160, 122],
+	"lightseagreen": [32, 178, 170],
+	"lightskyblue": [135, 206, 250],
+	"lightslategray": [119, 136, 153],
+	"lightslategrey": [119, 136, 153],
+	"lightsteelblue": [176, 196, 222],
+	"lightyellow": [255, 255, 224],
+	"lime": [0, 255, 0],
+	"limegreen": [50, 205, 50],
+	"linen": [250, 240, 230],
+	"magenta": [255, 0, 255],
+	"maroon": [128, 0, 0],
+	"mediumaquamarine": [102, 205, 170],
+	"mediumblue": [0, 0, 205],
+	"mediumorchid": [186, 85, 211],
+	"mediumpurple": [147, 112, 219],
+	"mediumseagreen": [60, 179, 113],
+	"mediumslateblue": [123, 104, 238],
+	"mediumspringgreen": [0, 250, 154],
+	"mediumturquoise": [72, 209, 204],
+	"mediumvioletred": [199, 21, 133],
+	"midnightblue": [25, 25, 112],
+	"mintcream": [245, 255, 250],
+	"mistyrose": [255, 228, 225],
+	"moccasin": [255, 228, 181],
+	"navajowhite": [255, 222, 173],
+	"navy": [0, 0, 128],
+	"oldlace": [253, 245, 230],
+	"olive": [128, 128, 0],
+	"olivedrab": [107, 142, 35],
+	"orange": [255, 165, 0],
+	"orangered": [255, 69, 0],
+	"orchid": [218, 112, 214],
+	"palegoldenrod": [238, 232, 170],
+	"palegreen": [152, 251, 152],
+	"paleturquoise": [175, 238, 238],
+	"palevioletred": [219, 112, 147],
+	"papayawhip": [255, 239, 213],
+	"peachpuff": [255, 218, 185],
+	"peru": [205, 133, 63],
+	"pink": [255, 192, 203],
+	"plum": [221, 160, 221],
+	"powderblue": [176, 224, 230],
+	"purple": [128, 0, 128],
+	"rebeccapurple": [102, 51, 153],
+	"red": [255, 0, 0],
+	"rosybrown": [188, 143, 143],
+	"royalblue": [65, 105, 225],
+	"saddlebrown": [139, 69, 19],
+	"salmon": [250, 128, 114],
+	"sandybrown": [244, 164, 96],
+	"seagreen": [46, 139, 87],
+	"seashell": [255, 245, 238],
+	"sienna": [160, 82, 45],
+	"silver": [192, 192, 192],
+	"skyblue": [135, 206, 235],
+	"slateblue": [106, 90, 205],
+	"slategray": [112, 128, 144],
+	"slategrey": [112, 128, 144],
+	"snow": [255, 250, 250],
+	"springgreen": [0, 255, 127],
+	"steelblue": [70, 130, 180],
+	"tan": [210, 180, 140],
+	"teal": [0, 128, 128],
+	"thistle": [216, 191, 216],
+	"tomato": [255, 99, 71],
+	"turquoise": [64, 224, 208],
+	"violet": [238, 130, 238],
+	"wheat": [245, 222, 179],
+	"white": [255, 255, 255],
+	"whitesmoke": [245, 245, 245],
+	"yellow": [255, 255, 0],
+	"yellowgreen": [154, 205, 50]
+};
diff --git a/web/public/node_modules/color-name/package.json b/web/public/node_modules/color-name/package.json
new file mode 100644
index 000000000..782dd8287
--- /dev/null
+++ b/web/public/node_modules/color-name/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "color-name",
+  "version": "1.1.4",
+  "description": "A list of color names and its values",
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "test": "node test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:colorjs/color-name.git"
+  },
+  "keywords": [
+    "color-name",
+    "color",
+    "color-keyword",
+    "keyword"
+  ],
+  "author": "DY <dfcreative@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/colorjs/color-name/issues"
+  },
+  "homepage": "https://github.com/colorjs/color-name"
+}
diff --git a/web/public/node_modules/corser/.npmignore b/web/public/node_modules/corser/.npmignore
new file mode 100644
index 000000000..ffa2e1f76
--- /dev/null
+++ b/web/public/node_modules/corser/.npmignore
@@ -0,0 +1,2 @@
+example/
+test/
diff --git a/web/public/node_modules/corser/.travis.yml b/web/public/node_modules/corser/.travis.yml
new file mode 100644
index 000000000..57071b9f8
--- /dev/null
+++ b/web/public/node_modules/corser/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+ - "node"
+sudo: false
diff --git a/web/public/node_modules/corser/LICENSE b/web/public/node_modules/corser/LICENSE
new file mode 100644
index 000000000..5c4ea09c7
--- /dev/null
+++ b/web/public/node_modules/corser/LICENSE
@@ -0,0 +1,19 @@
+Copyright (C) 2012 Alexander Grüneberg
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/corser/README.md b/web/public/node_modules/corser/README.md
new file mode 100644
index 000000000..5fcf6666e
--- /dev/null
+++ b/web/public/node_modules/corser/README.md
@@ -0,0 +1,202 @@
+Corser
+=======
+
+[![Project Status: Active - The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/0.1.0/active.svg)](http://www.repostatus.org/#active)
+[![Build Status](https://secure.travis-ci.org/agrueneberg/Corser.png)](http://travis-ci.org/agrueneberg/Corser)
+
+A highly configurable, middleware compatible implementation of [CORS](http://www.w3.org/TR/cors/) for [Node.js](http://nodejs.org/).
+
+
+Changelog
+---------
+
+### 2.0.1 (August 16, 2016)
+
+* Add workaround for [Chrome 52 sending empty `Access-Control-Request-Headers` header](https://bugs.chromium.org/p/chromium/issues/detail?id=633729).
+
+### 2.0.0 (March 22, 2014)
+
+* Preflight requests are automatically closed. If there is a need for handling `OPTIONS` requests, check the `endPreflightRequests` option.
+* The parameters of the callback function in dynamic origin checking are now `(err, matches)` instead of just `(matches)`.
+
+
+Examples
+--------
+
+### How to use Corser as a middleware in Express
+
+See `example/express/` for a working example.
+
+    var express, corser, app;
+
+    express = require("express");
+    corser = require("corser");
+
+    app = express();
+
+    app.use(corser.create());
+
+    app.get("/", function (req, res) {
+        res.writeHead(200);
+        res.end("Nice weather today, huh?");
+    });
+
+    app.listen(1337);
+
+### How to use Corser as a middleware in Connect
+
+See `example/connect/` for a working example.
+
+    var connect, corser, app;
+
+    connect = require("connect");
+    corser = require("corser");
+
+    app = connect();
+
+    app.use(corser.create());
+
+    app.use(function (req, res) {
+        res.writeHead(200);
+        res.end("Nice weather today, huh?");
+    });
+
+    app.listen(1337);
+
+### How to use Corser with plain `http`
+
+    var http, corser, corserRequestListener;
+
+    http = require("http");
+    corser = require("corser");
+
+    // Create Corser request listener.
+    corserRequestListener = corser.create();
+
+    http.createServer(function (req, res) {
+        // Route req and res through the request listener.
+        corserRequestListener(req, res, function () {
+            res.writeHead(200);
+            res.end("Nice weather today, huh?");
+        });
+    }).listen(1337);
+
+
+API
+---
+
+### Creating a Corser request listener
+
+Creating a Corser request listener that generates the appropriate response headers to enable CORS is as simple as:
+
+    corser.create()
+
+This is the equivalent of setting a response header of `Access-Control-Allow-Origin: *`. If you want to restrict the origins, or allow more sophisticated request or response headers, you have to pass a configuration object to `corser.create`.
+
+Corser will automatically end preflight requests for you. A preflight request is a special `OPTIONS` request that the browser sends under certain conditions to negotiate with the server what methods, request headers and response headers are allowed for a CORS request. If you need to use the `OPTIONS` method for other stuff, just set `endPreflightRequests` to `false` and terminate those requests yourself:
+
+    var corserRequestListener;
+
+    corserRequestListener = corser.create({
+        endPreflightRequests: false
+    });
+
+    corserRequestListener(req, res, function () {
+        if (req.method === "OPTIONS") {
+            // End CORS preflight request.
+            res.writeHead(204);
+            res.end();
+        } else {
+            // Implement other HTTP methods.
+        }
+    });
+
+
+#### Configuration Object
+
+A configuration object with the following properties can be passed to `corser.create`.
+
+##### `origins`
+
+A case-sensitive whitelist of origins. Unless unbound, if the request comes from an origin that is not in this list, it will not be handled by CORS.
+
+To allow for dynamic origin checking, a function `(origin, callback)` can be passed instead of an array. `origin` is the Origin header, `callback` is a function `(err, matches)`, where `matches` is a boolean flag that indicates whether the given Origin header matches or not.
+
+Default: unbound, i.e. every origin is accepted.
+
+##### `methods`
+
+An uppercase whitelist of methods. If the request uses a method that is not in this list, it will not be handled by CORS.
+
+Setting a value here will overwrite the list of default simple methods. To not lose them, concat the methods you want to add with `corser.simpleMethods`: `corser.simpleMethods.concat(["PUT", "DELETE"])`.
+
+Default: simple methods (`GET`, `HEAD`, `POST`).
+
+##### `requestHeaders`
+
+A case-insensitive whitelist of request headers. If the request uses a request header that is not in this list, it will not be handled by CORS.
+
+Setting a value here will overwrite the list of default simple request headers. To not lose them, concat the request headers you want to add with `corser.simpleRequestHeaders`: `corser.simpleRequestHeaders.concat(["Authorization"])`.
+
+Default: simple request headers (`Accept`, `Accept-Language`, `Content-Language`, `Content-Type`, `Last-Event-ID`).
+
+##### `responseHeaders`
+
+A case-insensitive whitelist of response headers. Any response header that is not in this list will be filtered out by the user-agent (the browser).
+
+Setting a value here will overwrite the list of default simple response headers. To not lose them, concat the response headers you want to add with `corser.simpleResponseHeaders`: `corser.simpleResponseHeaders.concat(["ETag"])`.
+
+Default: simple response headers (`Cache-Control`, `Content-Language`, `Content-Type`, `Expires`, `Last-Modified`, `Pragma`).
+
+##### `supportsCredentials`
+
+A boolean that indicates if cookie credentials can be transferred as part of a CORS request. Currently, only a few HTML5 elements can benefit from this setting.
+
+Default: `false`.
+
+##### `maxAge`
+
+An integer that indicates the maximum amount of time in seconds that a preflight request is kept in the client-side preflight result cache.
+
+Default: not set.
+
+##### `endPreflightRequests`
+
+A boolean that indicates if CORS preflight requests should be automatically closed.
+
+Default: `true`.
+
+
+FAQ
+---
+
+### Ajax call returns `Origin X is not allowed by Access-Control-Allow-Origin`
+
+Check if the `Origin` header of your request matches one of the origins provided in the `origins` property of the configuration object. If you didn't set any `origins` property, jump to the next question.
+
+
+### Ajax call still returns `Origin X is not allowed by Access-Control-Allow-Origin`
+
+Your request might use a non-simple method or one or more non-simple headers. According to the specification, the set of simple methods is `GET`, `HEAD`, and `POST`, and the set of simple request headers is `Accept`, `Accept-Language`, `Content-Language`, `Content-Type`, and `Last-Event-ID`. If your request uses **any** other method or header, you have to explicitly list them in the `methods` or `requestHeaders` property of the configuration object.
+
+
+#### Example
+
+You want to allow requests that use an `X-Requested-With` header. Pass the following configuration object to `corser.create`:
+
+    corser.create({
+        requestHeaders: corser.simpleRequestHeaders.concat(["X-Requested-With"])
+    });
+
+
+### Getting a response header returns `Refused to get unsafe header "X"`
+
+Your browser blocks every non-simple response headers that was not explicitly allowed in the preflight request. The set of simple response headers is `Cache-Control`, `Content-Language`, `Content-Type`, `Expires`, `Last-Modified`, `Pragma`. If you want to access **any** other response header, you have to explicitly list them in the `responseHeaders` property of the configuration object.
+
+#### Example
+
+You want to allow clients to read the `ETag` header of a response. Pass the following configuration object to `corser.create`:
+
+    corser.create({
+        responseHeaders: corser.simpleResponseHeaders.concat(["ETag"])
+    });
diff --git a/web/public/node_modules/corser/lib/corser.js b/web/public/node_modules/corser/lib/corser.js
new file mode 100644
index 000000000..b1b34ff0b
--- /dev/null
+++ b/web/public/node_modules/corser/lib/corser.js
@@ -0,0 +1,228 @@
+/**
+ * Specification: http://www.w3.org/TR/2012/WD-cors-20120403/
+ * W3C Working Draft 3 April 2012
+ */
+"use strict";
+
+/*jshint node:true */
+
+var simpleMethods, simpleRequestHeaders, simpleResponseHeaders, toLowerCase, checkOriginMatch;
+
+// A method is said to be a simple method if it is a case-sensitive match for one of the following:
+Object.defineProperty(exports, "simpleMethods", {
+    get: function () {
+        return [
+            "GET",
+            "HEAD",
+            "POST"
+        ];
+    }
+});
+simpleMethods = exports.simpleMethods;
+
+// A header is said to be a simple header if the header field name is an ASCII case-insensitive match for one of
+// the following:
+Object.defineProperty(exports, "simpleRequestHeaders", {
+    get: function () {
+        return [
+            "accept",
+            "accept-language",
+            "content-language",
+            "content-type"
+        ];
+    }
+});
+simpleRequestHeaders = exports.simpleRequestHeaders;
+
+// A header is said to be a simple response header if the header field name is an ASCII case-insensitive
+// match for one of the following:
+Object.defineProperty(exports, "simpleResponseHeaders", {
+    get: function () {
+        return [
+            "cache-control",
+            "content-language",
+            "content-type",
+            "expires",
+            "last-modified",
+            "pragma"
+        ];
+    }
+});
+simpleResponseHeaders = exports.simpleResponseHeaders;
+
+toLowerCase = function (array) {
+    return array.map(function (el) {
+        return el.toLowerCase();
+    });
+};
+
+checkOriginMatch = function (originHeader, origins, callback) {
+    if (typeof origins === "function") {
+        origins(originHeader, function (err, allow) {
+            callback(err, allow);
+        });
+    } else if (origins.length > 0) {
+        callback(null, origins.some(function (origin) {
+            return origin === originHeader;
+        }));
+    } else {
+        // Always matching is acceptable since the list of origins can be unbounded.
+        callback(null, true);
+    }
+};
+
+exports.create = function (options) {
+    options = options || {};
+    options.origins = options.origins || [];
+    options.methods = options.methods || simpleMethods;
+    if (options.hasOwnProperty("requestHeaders") === true) {
+        options.requestHeaders = toLowerCase(options.requestHeaders);
+    } else {
+        options.requestHeaders = simpleRequestHeaders;
+    }
+    if (options.hasOwnProperty("responseHeaders") === true) {
+        options.responseHeaders = toLowerCase(options.responseHeaders);
+    } else {
+        options.responseHeaders = simpleResponseHeaders;
+    }
+    options.maxAge = options.maxAge || null;
+    options.supportsCredentials = options.supportsCredentials || false;
+    if (options.hasOwnProperty("endPreflightRequests") === false) {
+        options.endPreflightRequests = true;
+    }
+    return function (req, res, next) {
+        var methodMatches, headersMatch, requestMethod, requestHeaders, exposedHeaders, endPreflight;
+        // If the Origin header is not present terminate this set of steps.
+        if (!req.headers.hasOwnProperty("origin")) {
+            // The request is outside the scope of the CORS specification. If there is no Origin header,
+            // it could be a same-origin request. Let's let the user-agent handle this situation.
+            next();
+        } else {
+            // If the value of the Origin header is not a case-sensitive match for any of the values in
+            // list of origins, do not set any additional headers and terminate this set of steps.
+            checkOriginMatch(req.headers.origin, options.origins, function (err, originMatches) {
+                if (err !== null) {
+                    next(err);
+                } else {
+                    if (typeof originMatches !== "boolean" || originMatches === false) {
+                        next();
+                    } else {
+                        // Respond to preflight request.
+                        if (req.method === "OPTIONS") {
+                            endPreflight = function () {
+                                if (options.endPreflightRequests === true) {
+                                    res.writeHead(204);
+                                    res.end();
+                                } else {
+                                    next();
+                                }
+                            };
+                            // If there is no Access-Control-Request-Method header or if parsing failed, do not set
+                            // any additional headers and terminate this set of steps.
+                            if (!req.headers.hasOwnProperty("access-control-request-method")) {
+                                endPreflight();
+                            } else {
+                                requestMethod = req.headers["access-control-request-method"];
+                                // If there are no Access-Control-Request-Headers headers let header field-names be the
+                                // empty list. If parsing failed do not set any additional headers and terminate this set
+                                // of steps.
+                                // Checking for an empty header is a workaround for a bug Chrome 52:
+                                // https://bugs.chromium.org/p/chromium/issues/detail?id=633729
+                                if (req.headers.hasOwnProperty("access-control-request-headers") && req.headers["access-control-request-headers"] !== "") {
+                                    requestHeaders = toLowerCase(req.headers["access-control-request-headers"].split(/,\s*/));
+                                } else {
+                                    requestHeaders = [];
+                                }
+                                // If method is not a case-sensitive match for any of the values in list of methods do not
+                                // set any additional headers and terminate this set of steps.
+                                methodMatches = options.methods.indexOf(requestMethod) !== -1;
+                                if (methodMatches === false) {
+                                    endPreflight();
+                                } else {
+                                    // If any of the header field-names is not a ASCII case-insensitive match for any of
+                                    // the values in list of headers do not set any additional headers and terminate this
+                                    // set of steps.
+                                    headersMatch = requestHeaders.every(function (requestHeader) {
+                                        // Browsers automatically add Origin to Access-Control-Request-Headers. However,
+                                        // Origin is not one of the simple request headers. Therefore, the header is
+                                        // accepted even if it is not in the list of request headers because CORS would
+                                        // not work without it.
+                                        if (requestHeader === "origin") {
+                                            return true;
+                                        } else {
+                                            if (options.requestHeaders.indexOf(requestHeader) !== -1) {
+                                                return true;
+                                            } else {
+                                                return false;
+                                            }
+                                        }
+                                    });
+                                    if (headersMatch === false) {
+                                        endPreflight();
+                                    } else {
+                                        if (options.supportsCredentials === true) {
+                                            // If the resource supports credentials add a single Access-Control-Allow-Origin
+                                            // header, with the value of the Origin header as value, and add a single
+                                            // Access-Control-Allow-Credentials header with the literal string "true"
+                                            // as value.
+                                            res.setHeader("Access-Control-Allow-Origin", req.headers.origin);
+                                            res.setHeader("Access-Control-Allow-Credentials", "true");
+                                        } else {
+                                            // Otherwise, add a single Access-Control-Allow-Origin header, with either the
+                                            // value of the Origin header or the string "*" as value.
+                                            if (options.origins.length > 0 || typeof options.origins === "function") {
+                                                res.setHeader("Access-Control-Allow-Origin", req.headers.origin);
+                                            } else {
+                                                res.setHeader("Access-Control-Allow-Origin", "*");
+                                            }
+                                        }
+                                        // Optionally add a single Access-Control-Max-Age header with as value the amount
+                                        // of seconds the user agent is allowed to cache the result of the request.
+                                        if (options.maxAge !== null) {
+                                            res.setHeader("Access-Control-Max-Age", options.maxAge);
+                                        }
+                                        // Add one or more Access-Control-Allow-Methods headers consisting of (a subset
+                                        // of) the list of methods.
+                                        res.setHeader("Access-Control-Allow-Methods", options.methods.join(","));
+                                        // Add one or more Access-Control-Allow-Headers headers consisting of (a subset
+                                        // of) the list of headers.
+                                        res.setHeader("Access-Control-Allow-Headers", options.requestHeaders.join(","));
+                                        // And out.
+                                        endPreflight();
+                                    }
+                                }
+                            }
+                        } else {
+                            if (options.supportsCredentials === true) {
+                                // If the resource supports credentials add a single Access-Control-Allow-Origin header,
+                                // with the value of the Origin header as value, and add a single
+                                // Access-Control-Allow-Credentials header with the literal string "true" as value.
+                                res.setHeader("Access-Control-Allow-Origin", req.headers.origin);
+                                res.setHeader("Access-Control-Allow-Credentials", "true");
+                            } else {
+                                // Otherwise, add a single Access-Control-Allow-Origin header, with either the value of
+                                // the Origin header or the literal string "*" as value.
+                                // If the list of origins is empty, use "*" as value.
+                                if (options.origins.length > 0 || typeof options.origins === "function") {
+                                    res.setHeader("Access-Control-Allow-Origin", req.headers.origin);
+                                } else {
+                                    res.setHeader("Access-Control-Allow-Origin", "*");
+                                }
+                            }
+                            // If the list of exposed headers is not empty add one or more Access-Control-Expose-Headers
+                            // headers, with as values the header field names given in the list of exposed headers.
+                            exposedHeaders = options.responseHeaders.filter(function (optionsResponseHeader) {
+                                return simpleResponseHeaders.indexOf(optionsResponseHeader) === -1;
+                            });
+                            if (exposedHeaders.length > 0) {
+                                res.setHeader("Access-Control-Expose-Headers", exposedHeaders.join(","));
+                            }
+                            // And out.
+                            next();
+                        }
+                    }
+                }
+            });
+        }
+    };
+};
diff --git a/web/public/node_modules/corser/package.json b/web/public/node_modules/corser/package.json
new file mode 100644
index 000000000..8b04918b0
--- /dev/null
+++ b/web/public/node_modules/corser/package.json
@@ -0,0 +1,24 @@
+{
+    "name": "corser",
+    "version": "2.0.1",
+    "description": "A highly configurable, middleware compatible implementation of CORS.",
+    "keywords": ["cors", "cross-origin resource sharing", "connect", "express", "middleware"],
+    "bugs": "https://github.com/agrueneberg/Corser/issues",
+    "license": "MIT",
+    "author": "Alexander Grüneberg <alexander.grueneberg@googlemail.com>",
+    "main": "./lib/corser.js",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/agrueneberg/Corser.git"
+    },
+    "scripts": {
+        "test": "./node_modules/.bin/mocha"
+    },
+    "devDependencies": {
+        "mocha": "1.3.x",
+        "expect.js": "0.1.x"
+    },
+    "engines": {
+        "node": ">= 0.4.0"
+    }
+}
diff --git a/web/public/node_modules/debug/CHANGELOG.md b/web/public/node_modules/debug/CHANGELOG.md
new file mode 100644
index 000000000..820d21e33
--- /dev/null
+++ b/web/public/node_modules/debug/CHANGELOG.md
@@ -0,0 +1,395 @@
+
+3.1.0 / 2017-09-26
+==================
+
+  * Add `DEBUG_HIDE_DATE` env var (#486)
+  * Remove ReDoS regexp in %o formatter (#504)
+  * Remove "component" from package.json
+  * Remove `component.json`
+  * Ignore package-lock.json
+  * Examples: fix colors printout
+  * Fix: browser detection
+  * Fix: spelling mistake (#496, @EdwardBetts)
+
+3.0.1 / 2017-08-24
+==================
+
+  * Fix: Disable colors in Edge and Internet Explorer (#489)
+
+3.0.0 / 2017-08-08
+==================
+
+  * Breaking: Remove DEBUG_FD (#406)
+  * Breaking: Use `Date#toISOString()` instead to `Date#toUTCString()` when output is not a TTY (#418)
+  * Breaking: Make millisecond timer namespace specific and allow 'always enabled' output (#408)
+  * Addition: document `enabled` flag (#465)
+  * Addition: add 256 colors mode (#481)
+  * Addition: `enabled()` updates existing debug instances, add `destroy()` function (#440)
+  * Update: component: update "ms" to v2.0.0
+  * Update: separate the Node and Browser tests in Travis-CI
+  * Update: refactor Readme, fixed documentation, added "Namespace Colors" section, redid screenshots
+  * Update: separate Node.js and web browser examples for organization
+  * Update: update "browserify" to v14.4.0
+  * Fix: fix Readme typo (#473)
+
+2.6.9 / 2017-09-22
+==================
+
+  * remove ReDoS regexp in %o formatter (#504)
+
+2.6.8 / 2017-05-18
+==================
+
+  * Fix: Check for undefined on browser globals (#462, @marbemac)
+
+2.6.7 / 2017-05-16
+==================
+
+  * Fix: Update ms to 2.0.0 to fix regular expression denial of service vulnerability (#458, @hubdotcom)
+  * Fix: Inline extend function in node implementation (#452, @dougwilson)
+  * Docs: Fix typo (#455, @msasad)
+
+2.6.5 / 2017-04-27
+==================
+  
+  * Fix: null reference check on window.documentElement.style.WebkitAppearance (#447, @thebigredgeek)
+  * Misc: clean up browser reference checks (#447, @thebigredgeek)
+  * Misc: add npm-debug.log to .gitignore (@thebigredgeek)
+
+
+2.6.4 / 2017-04-20
+==================
+
+  * Fix: bug that would occur if process.env.DEBUG is a non-string value. (#444, @LucianBuzzo)
+  * Chore: ignore bower.json in npm installations. (#437, @joaovieira)
+  * Misc: update "ms" to v0.7.3 (@tootallnate)
+
+2.6.3 / 2017-03-13
+==================
+
+  * Fix: Electron reference to `process.env.DEBUG` (#431, @paulcbetts)
+  * Docs: Changelog fix (@thebigredgeek)
+
+2.6.2 / 2017-03-10
+==================
+
+  * Fix: DEBUG_MAX_ARRAY_LENGTH (#420, @slavaGanzin)
+  * Docs: Add backers and sponsors from Open Collective (#422, @piamancini)
+  * Docs: Add Slackin invite badge (@tootallnate)
+
+2.6.1 / 2017-02-10
+==================
+
+  * Fix: Module's `export default` syntax fix for IE8 `Expected identifier` error
+  * Fix: Whitelist DEBUG_FD for values 1 and 2 only (#415, @pi0)
+  * Fix: IE8 "Expected identifier" error (#414, @vgoma)
+  * Fix: Namespaces would not disable once enabled (#409, @musikov)
+
+2.6.0 / 2016-12-28
+==================
+
+  * Fix: added better null pointer checks for browser useColors (@thebigredgeek)
+  * Improvement: removed explicit `window.debug` export (#404, @tootallnate)
+  * Improvement: deprecated `DEBUG_FD` environment variable (#405, @tootallnate)
+
+2.5.2 / 2016-12-25
+==================
+
+  * Fix: reference error on window within webworkers (#393, @KlausTrainer)
+  * Docs: fixed README typo (#391, @lurch)
+  * Docs: added notice about v3 api discussion (@thebigredgeek)
+
+2.5.1 / 2016-12-20
+==================
+
+  * Fix: babel-core compatibility
+
+2.5.0 / 2016-12-20
+==================
+
+  * Fix: wrong reference in bower file (@thebigredgeek)
+  * Fix: webworker compatibility (@thebigredgeek)
+  * Fix: output formatting issue (#388, @kribblo)
+  * Fix: babel-loader compatibility (#383, @escwald)
+  * Misc: removed built asset from repo and publications (@thebigredgeek)
+  * Misc: moved source files to /src (#378, @yamikuronue)
+  * Test: added karma integration and replaced babel with browserify for browser tests (#378, @yamikuronue)
+  * Test: coveralls integration (#378, @yamikuronue)
+  * Docs: simplified language in the opening paragraph (#373, @yamikuronue)
+
+2.4.5 / 2016-12-17
+==================
+
+  * Fix: `navigator` undefined in Rhino (#376, @jochenberger)
+  * Fix: custom log function (#379, @hsiliev)
+  * Improvement: bit of cleanup + linting fixes (@thebigredgeek)
+  * Improvement: rm non-maintainted `dist/` dir (#375, @freewil)
+  * Docs: simplified language in the opening paragraph. (#373, @yamikuronue)
+
+2.4.4 / 2016-12-14
+==================
+
+  * Fix: work around debug being loaded in preload scripts for electron (#368, @paulcbetts)
+
+2.4.3 / 2016-12-14
+==================
+
+  * Fix: navigation.userAgent error for react native (#364, @escwald)
+
+2.4.2 / 2016-12-14
+==================
+
+  * Fix: browser colors (#367, @tootallnate)
+  * Misc: travis ci integration (@thebigredgeek)
+  * Misc: added linting and testing boilerplate with sanity check (@thebigredgeek)
+
+2.4.1 / 2016-12-13
+==================
+
+  * Fix: typo that broke the package (#356)
+
+2.4.0 / 2016-12-13
+==================
+
+  * Fix: bower.json references unbuilt src entry point (#342, @justmatt)
+  * Fix: revert "handle regex special characters" (@tootallnate)
+  * Feature: configurable util.inspect()`options for NodeJS (#327, @tootallnate)
+  * Feature: %O`(big O) pretty-prints objects (#322, @tootallnate)
+  * Improvement: allow colors in workers (#335, @botverse)
+  * Improvement: use same color for same namespace. (#338, @lchenay)
+
+2.3.3 / 2016-11-09
+==================
+
+  * Fix: Catch `JSON.stringify()` errors (#195, Jovan Alleyne)
+  * Fix: Returning `localStorage` saved values (#331, Levi Thomason)
+  * Improvement: Don't create an empty object when no `process` (Nathan Rajlich)
+
+2.3.2 / 2016-11-09
+==================
+
+  * Fix: be super-safe in index.js as well (@TooTallNate)
+  * Fix: should check whether process exists (Tom Newby)
+
+2.3.1 / 2016-11-09
+==================
+
+  * Fix: Added electron compatibility (#324, @paulcbetts)
+  * Improvement: Added performance optimizations (@tootallnate)
+  * Readme: Corrected PowerShell environment variable example (#252, @gimre)
+  * Misc: Removed yarn lock file from source control (#321, @fengmk2)
+
+2.3.0 / 2016-11-07
+==================
+
+  * Fix: Consistent placement of ms diff at end of output (#215, @gorangajic)
+  * Fix: Escaping of regex special characters in namespace strings (#250, @zacronos)
+  * Fix: Fixed bug causing crash on react-native (#282, @vkarpov15)
+  * Feature: Enabled ES6+ compatible import via default export (#212 @bucaran)
+  * Feature: Added %O formatter to reflect Chrome's console.log capability (#279, @oncletom)
+  * Package: Update "ms" to 0.7.2 (#315, @DevSide)
+  * Package: removed superfluous version property from bower.json (#207 @kkirsche)
+  * Readme: fix USE_COLORS to DEBUG_COLORS
+  * Readme: Doc fixes for format string sugar (#269, @mlucool)
+  * Readme: Updated docs for DEBUG_FD and DEBUG_COLORS environment variables (#232, @mattlyons0)
+  * Readme: doc fixes for PowerShell (#271 #243, @exoticknight @unreadable)
+  * Readme: better docs for browser support (#224, @matthewmueller)
+  * Tooling: Added yarn integration for development (#317, @thebigredgeek)
+  * Misc: Renamed History.md to CHANGELOG.md (@thebigredgeek)
+  * Misc: Added license file (#226 #274, @CantemoInternal @sdaitzman)
+  * Misc: Updated contributors (@thebigredgeek)
+
+2.2.0 / 2015-05-09
+==================
+
+  * package: update "ms" to v0.7.1 (#202, @dougwilson)
+  * README: add logging to file example (#193, @DanielOchoa)
+  * README: fixed a typo (#191, @amir-s)
+  * browser: expose `storage` (#190, @stephenmathieson)
+  * Makefile: add a `distclean` target (#189, @stephenmathieson)
+
+2.1.3 / 2015-03-13
+==================
+
+  * Updated stdout/stderr example (#186)
+  * Updated example/stdout.js to match debug current behaviour
+  * Renamed example/stderr.js to stdout.js
+  * Update Readme.md (#184)
+  * replace high intensity foreground color for bold (#182, #183)
+
+2.1.2 / 2015-03-01
+==================
+
+  * dist: recompile
+  * update "ms" to v0.7.0
+  * package: update "browserify" to v9.0.3
+  * component: fix "ms.js" repo location
+  * changed bower package name
+  * updated documentation about using debug in a browser
+  * fix: security error on safari (#167, #168, @yields)
+
+2.1.1 / 2014-12-29
+==================
+
+  * browser: use `typeof` to check for `console` existence
+  * browser: check for `console.log` truthiness (fix IE 8/9)
+  * browser: add support for Chrome apps
+  * Readme: added Windows usage remarks
+  * Add `bower.json` to properly support bower install
+
+2.1.0 / 2014-10-15
+==================
+
+  * node: implement `DEBUG_FD` env variable support
+  * package: update "browserify" to v6.1.0
+  * package: add "license" field to package.json (#135, @panuhorsmalahti)
+
+2.0.0 / 2014-09-01
+==================
+
+  * package: update "browserify" to v5.11.0
+  * node: use stderr rather than stdout for logging (#29, @stephenmathieson)
+
+1.0.4 / 2014-07-15
+==================
+
+  * dist: recompile
+  * example: remove `console.info()` log usage
+  * example: add "Content-Type" UTF-8 header to browser example
+  * browser: place %c marker after the space character
+  * browser: reset the "content" color via `color: inherit`
+  * browser: add colors support for Firefox >= v31
+  * debug: prefer an instance `log()` function over the global one (#119)
+  * Readme: update documentation about styled console logs for FF v31 (#116, @wryk)
+
+1.0.3 / 2014-07-09
+==================
+
+  * Add support for multiple wildcards in namespaces (#122, @seegno)
+  * browser: fix lint
+
+1.0.2 / 2014-06-10
+==================
+
+  * browser: update color palette (#113, @gscottolson)
+  * common: make console logging function configurable (#108, @timoxley)
+  * node: fix %o colors on old node <= 0.8.x
+  * Makefile: find node path using shell/which (#109, @timoxley)
+
+1.0.1 / 2014-06-06
+==================
+
+  * browser: use `removeItem()` to clear localStorage
+  * browser, node: don't set DEBUG if namespaces is undefined (#107, @leedm777)
+  * package: add "contributors" section
+  * node: fix comment typo
+  * README: list authors
+
+1.0.0 / 2014-06-04
+==================
+
+  * make ms diff be global, not be scope
+  * debug: ignore empty strings in enable()
+  * node: make DEBUG_COLORS able to disable coloring
+  * *: export the `colors` array
+  * npmignore: don't publish the `dist` dir
+  * Makefile: refactor to use browserify
+  * package: add "browserify" as a dev dependency
+  * Readme: add Web Inspector Colors section
+  * node: reset terminal color for the debug content
+  * node: map "%o" to `util.inspect()`
+  * browser: map "%j" to `JSON.stringify()`
+  * debug: add custom "formatters"
+  * debug: use "ms" module for humanizing the diff
+  * Readme: add "bash" syntax highlighting
+  * browser: add Firebug color support
+  * browser: add colors for WebKit browsers
+  * node: apply log to `console`
+  * rewrite: abstract common logic for Node & browsers
+  * add .jshintrc file
+
+0.8.1 / 2014-04-14
+==================
+
+  * package: re-add the "component" section
+
+0.8.0 / 2014-03-30
+==================
+
+  * add `enable()` method for nodejs. Closes #27
+  * change from stderr to stdout
+  * remove unnecessary index.js file
+
+0.7.4 / 2013-11-13
+==================
+
+  * remove "browserify" key from package.json (fixes something in browserify)
+
+0.7.3 / 2013-10-30
+==================
+
+  * fix: catch localStorage security error when cookies are blocked (Chrome)
+  * add debug(err) support. Closes #46
+  * add .browser prop to package.json. Closes #42
+
+0.7.2 / 2013-02-06
+==================
+
+  * fix package.json
+  * fix: Mobile Safari (private mode) is broken with debug
+  * fix: Use unicode to send escape character to shell instead of octal to work with strict mode javascript
+
+0.7.1 / 2013-02-05
+==================
+
+  * add repository URL to package.json
+  * add DEBUG_COLORED to force colored output
+  * add browserify support
+  * fix component. Closes #24
+
+0.7.0 / 2012-05-04
+==================
+
+  * Added .component to package.json
+  * Added debug.component.js build
+
+0.6.0 / 2012-03-16
+==================
+
+  * Added support for "-" prefix in DEBUG [Vinay Pulim]
+  * Added `.enabled` flag to the node version [TooTallNate]
+
+0.5.0 / 2012-02-02
+==================
+
+  * Added: humanize diffs. Closes #8
+  * Added `debug.disable()` to the CS variant
+  * Removed padding. Closes #10
+  * Fixed: persist client-side variant again. Closes #9
+
+0.4.0 / 2012-02-01
+==================
+
+  * Added browser variant support for older browsers [TooTallNate]
+  * Added `debug.enable('project:*')` to browser variant [TooTallNate]
+  * Added padding to diff (moved it to the right)
+
+0.3.0 / 2012-01-26
+==================
+
+  * Added millisecond diff when isatty, otherwise UTC string
+
+0.2.0 / 2012-01-22
+==================
+
+  * Added wildcard support
+
+0.1.0 / 2011-12-02
+==================
+
+  * Added: remove colors unless stderr isatty [TooTallNate]
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/web/public/node_modules/debug/LICENSE b/web/public/node_modules/debug/LICENSE
new file mode 100644
index 000000000..658c933d2
--- /dev/null
+++ b/web/public/node_modules/debug/LICENSE
@@ -0,0 +1,19 @@
+(The MIT License)
+
+Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the 'Software'), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/web/public/node_modules/debug/README.md b/web/public/node_modules/debug/README.md
new file mode 100644
index 000000000..0ee7634dd
--- /dev/null
+++ b/web/public/node_modules/debug/README.md
@@ -0,0 +1,437 @@
+# debug
+[![Build Status](https://travis-ci.org/visionmedia/debug.svg?branch=master)](https://travis-ci.org/visionmedia/debug)  [![Coverage Status](https://coveralls.io/repos/github/visionmedia/debug/badge.svg?branch=master)](https://coveralls.io/github/visionmedia/debug?branch=master)  [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers)
+[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
+
+<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
+
+A tiny JavaScript debugging utility modelled after Node.js core's debugging
+technique. Works in Node.js and web browsers.
+
+## Installation
+
+```bash
+$ npm install debug
+```
+
+## Usage
+
+`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
+
+Example [_app.js_](./examples/node/app.js):
+
+```js
+var debug = require('debug')('http')
+  , http = require('http')
+  , name = 'My App';
+
+// fake app
+
+debug('booting %o', name);
+
+http.createServer(function(req, res){
+  debug(req.method + ' ' + req.url);
+  res.end('hello\n');
+}).listen(3000, function(){
+  debug('listening');
+});
+
+// fake worker of some kind
+
+require('./worker');
+```
+
+Example [_worker.js_](./examples/node/worker.js):
+
+```js
+var a = require('debug')('worker:a')
+  , b = require('debug')('worker:b');
+
+function work() {
+  a('doing lots of uninteresting work');
+  setTimeout(work, Math.random() * 1000);
+}
+
+work();
+
+function workb() {
+  b('doing some work');
+  setTimeout(workb, Math.random() * 2000);
+}
+
+workb();
+```
+
+The `DEBUG` environment variable is then used to enable these based on space or
+comma-delimited names.
+
+Here are some examples:
+
+<img width="647" alt="screen shot 2017-08-08 at 12 53 04 pm" src="https://user-images.githubusercontent.com/71256/29091703-a6302cdc-7c38-11e7-8304-7c0b3bc600cd.png">
+<img width="647" alt="screen shot 2017-08-08 at 12 53 38 pm" src="https://user-images.githubusercontent.com/71256/29091700-a62a6888-7c38-11e7-800b-db911291ca2b.png">
+<img width="647" alt="screen shot 2017-08-08 at 12 53 25 pm" src="https://user-images.githubusercontent.com/71256/29091701-a62ea114-7c38-11e7-826a-2692bedca740.png">
+
+#### Windows command prompt notes
+
+##### CMD
+
+On Windows the environment variable is set using the `set` command.
+
+```cmd
+set DEBUG=*,-not_this
+```
+
+Example:
+
+```cmd
+set DEBUG=* & node app.js
+```
+
+##### PowerShell (VS Code default)
+
+PowerShell uses different syntax to set environment variables.
+
+```cmd
+$env:DEBUG = "*,-not_this"
+```
+
+Example:
+
+```cmd
+$env:DEBUG='app';node app.js
+```
+
+Then, run the program to be debugged as usual.
+
+npm script example:
+```js
+  "windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js",
+```
+
+## Namespace Colors
+
+Every debug instance has a color generated for it based on its namespace name.
+This helps when visually parsing the debug output to identify which debug instance
+a debug line belongs to.
+
+#### Node.js
+
+In Node.js, colors are enabled when stderr is a TTY. You also _should_ install
+the [`supports-color`](https://npmjs.org/supports-color) module alongside debug,
+otherwise debug will only use a small handful of basic colors.
+
+<img width="521" src="https://user-images.githubusercontent.com/71256/29092181-47f6a9e6-7c3a-11e7-9a14-1928d8a711cd.png">
+
+#### Web Browser
+
+Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
+option. These are WebKit web inspectors, Firefox ([since version
+31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
+and the Firebug plugin for Firefox (any version).
+
+<img width="524" src="https://user-images.githubusercontent.com/71256/29092033-b65f9f2e-7c39-11e7-8e32-f6f0d8e865c1.png">
+
+
+## Millisecond diff
+
+When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
+
+<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
+
+When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below:
+
+<img width="647" src="https://user-images.githubusercontent.com/71256/29091956-6bd78372-7c39-11e7-8c55-c948396d6edd.png">
+
+
+## Conventions
+
+If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser".  If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable.  You can then use it for normal output as well as debug output.
+
+## Wildcards
+
+The `*` character may be used as a wildcard. Suppose for example your library has
+debuggers named "connect:bodyParser", "connect:compress", "connect:session",
+instead of listing all three with
+`DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do
+`DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
+
+You can also exclude specific debuggers by prefixing them with a "-" character.
+For example, `DEBUG=*,-connect:*` would include all debuggers except those
+starting with "connect:".
+
+## Environment Variables
+
+When running through Node.js, you can set a few environment variables that will
+change the behavior of the debug logging:
+
+| Name      | Purpose                                         |
+|-----------|-------------------------------------------------|
+| `DEBUG`   | Enables/disables specific debugging namespaces. |
+| `DEBUG_HIDE_DATE` | Hide date from debug output (non-TTY).  |
+| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
+| `DEBUG_DEPTH` | Object inspection depth.                    |
+| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
+
+
+__Note:__ The environment variables beginning with `DEBUG_` end up being
+converted into an Options object that gets used with `%o`/`%O` formatters.
+See the Node.js documentation for
+[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
+for the complete list.
+
+## Formatters
+
+Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting.
+Below are the officially supported formatters:
+
+| Formatter | Representation |
+|-----------|----------------|
+| `%O`      | Pretty-print an Object on multiple lines. |
+| `%o`      | Pretty-print an Object all on a single line. |
+| `%s`      | String. |
+| `%d`      | Number (both integer and float). |
+| `%j`      | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
+| `%%`      | Single percent sign ('%'). This does not consume an argument. |
+
+
+### Custom formatters
+
+You can add custom formatters by extending the `debug.formatters` object.
+For example, if you wanted to add support for rendering a Buffer as hex with
+`%h`, you could do something like:
+
+```js
+const createDebug = require('debug')
+createDebug.formatters.h = (v) => {
+  return v.toString('hex')
+}
+
+// …elsewhere
+const debug = createDebug('foo')
+debug('this is hex: %h', new Buffer('hello world'))
+//   foo this is hex: 68656c6c6f20776f726c6421 +0ms
+```
+
+
+## Browser Support
+
+You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
+or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
+if you don't want to build it yourself.
+
+Debug's enable state is currently persisted by `localStorage`.
+Consider the situation shown below where you have `worker:a` and `worker:b`,
+and wish to debug both. You can enable this using `localStorage.debug`:
+
+```js
+localStorage.debug = 'worker:*'
+```
+
+And then refresh the page.
+
+```js
+a = debug('worker:a');
+b = debug('worker:b');
+
+setInterval(function(){
+  a('doing some work');
+}, 1000);
+
+setInterval(function(){
+  b('doing some work');
+}, 1200);
+```
+
+
+## Output streams
+
+  By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
+
+Example [_stdout.js_](./examples/node/stdout.js):
+
+```js
+var debug = require('debug');
+var error = debug('app:error');
+
+// by default stderr is used
+error('goes to stderr!');
+
+var log = debug('app:log');
+// set this namespace to log via console.log
+log.log = console.log.bind(console); // don't forget to bind to console!
+log('goes to stdout');
+error('still goes to stderr!');
+
+// set all output to go via console.info
+// overrides all per-namespace log settings
+debug.log = console.info.bind(console);
+error('now goes to stdout via console.info');
+log('still goes to stdout, but via console.info now');
+```
+
+## Extend
+You can simply extend debugger 
+```js
+const log = require('debug')('auth');
+
+//creates new debug instance with extended namespace
+const logSign = log.extend('sign');
+const logLogin = log.extend('login');
+
+log('hello'); // auth hello
+logSign('hello'); //auth:sign hello
+logLogin('hello'); //auth:login hello
+```
+
+## Set dynamically
+
+You can also enable debug dynamically by calling the `enable()` method :
+
+```js
+let debug = require('debug');
+
+console.log(1, debug.enabled('test'));
+
+debug.enable('test');
+console.log(2, debug.enabled('test'));
+
+debug.disable();
+console.log(3, debug.enabled('test'));
+
+```
+
+print :   
+```
+1 false
+2 true
+3 false
+```
+
+Usage :  
+`enable(namespaces)`  
+`namespaces` can include modes separated by a colon and wildcards.
+   
+Note that calling `enable()` completely overrides previously set DEBUG variable : 
+
+```
+$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))'
+=> false
+```
+
+## Checking whether a debug target is enabled
+
+After you've created a debug instance, you can determine whether or not it is
+enabled by checking the `enabled` property:
+
+```javascript
+const debug = require('debug')('http');
+
+if (debug.enabled) {
+  // do stuff...
+}
+```
+
+You can also manually toggle this property to force the debug instance to be
+enabled or disabled.
+
+
+## Authors
+
+ - TJ Holowaychuk
+ - Nathan Rajlich
+ - Andrew Rhyne
+
+## Backers
+
+Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
+
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+
+
+## Sponsors
+
+Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
+
+<a href="https://opencollective.com/debug/sponsor/0/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/0/avatar.svg"></a>
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+
+## License
+
+(The MIT License)
+
+Copyright (c) 2014-2017 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/debug/node.js b/web/public/node_modules/debug/node.js
new file mode 100644
index 000000000..7fc36fe6d
--- /dev/null
+++ b/web/public/node_modules/debug/node.js
@@ -0,0 +1 @@
+module.exports = require('./src/node');
diff --git a/web/public/node_modules/debug/package.json b/web/public/node_modules/debug/package.json
new file mode 100644
index 000000000..191c81547
--- /dev/null
+++ b/web/public/node_modules/debug/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "debug",
+  "version": "3.2.7",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/visionmedia/debug.git"
+  },
+  "description": "small debugging utility",
+  "keywords": [
+    "debug",
+    "log",
+    "debugger"
+  ],
+  "files": [
+    "src",
+    "node.js",
+    "dist/debug.js",
+    "LICENSE",
+    "README.md"
+  ],
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "contributors": [
+    "Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
+    "Andrew Rhyne <rhyneandrew@gmail.com>"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "ms": "^2.1.1"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.0.0",
+    "@babel/core": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
+    "browserify": "14.4.0",
+    "chai": "^3.5.0",
+    "concurrently": "^3.1.0",
+    "coveralls": "^3.0.2",
+    "istanbul": "^0.4.5",
+    "karma": "^3.0.0",
+    "karma-chai": "^0.1.0",
+    "karma-mocha": "^1.3.0",
+    "karma-phantomjs-launcher": "^1.0.2",
+    "mocha": "^5.2.0",
+    "mocha-lcov-reporter": "^1.2.0",
+    "rimraf": "^2.5.4",
+    "xo": "^0.23.0"
+  },
+  "main": "./src/index.js",
+  "browser": "./src/browser.js",
+  "unpkg": "./dist/debug.js"
+}
diff --git a/web/public/node_modules/debug/src/browser.js b/web/public/node_modules/debug/src/browser.js
new file mode 100644
index 000000000..c924b0ac4
--- /dev/null
+++ b/web/public/node_modules/debug/src/browser.js
@@ -0,0 +1,180 @@
+"use strict";
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+/* eslint-env browser */
+
+/**
+ * This is the web browser implementation of `debug()`.
+ */
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = localstorage();
+/**
+ * Colors.
+ */
+
+exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+// eslint-disable-next-line complexity
+
+function useColors() {
+  // NB: In an Electron preload script, document will be defined but not fully
+  // initialized. Since we know we're in Chrome, we'll just detect this case
+  // explicitly
+  if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
+    return true;
+  } // Internet Explorer and Edge do not support colors.
+
+
+  if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
+    return false;
+  } // Is webkit? http://stackoverflow.com/a/16459606/376773
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+
+
+  return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
+  typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
+  // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+  typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
+  typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
+}
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+
+function formatArgs(args) {
+  args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
+
+  if (!this.useColors) {
+    return;
+  }
+
+  var c = 'color: ' + this.color;
+  args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-zA-Z%]/g, function (match) {
+    if (match === '%%') {
+      return;
+    }
+
+    index++;
+
+    if (match === '%c') {
+      // We only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+  args.splice(lastC, 0, c);
+}
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+
+function log() {
+  var _console;
+
+  // This hackery is required for IE8/9, where
+  // the `console.log` function doesn't have 'apply'
+  return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments);
+}
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+
+function save(namespaces) {
+  try {
+    if (namespaces) {
+      exports.storage.setItem('debug', namespaces);
+    } else {
+      exports.storage.removeItem('debug');
+    }
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  }
+}
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+
+function load() {
+  var r;
+
+  try {
+    r = exports.storage.getItem('debug');
+  } catch (error) {} // Swallow
+  // XXX (@Qix-) should we be logging these?
+  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+
+
+  if (!r && typeof process !== 'undefined' && 'env' in process) {
+    r = process.env.DEBUG;
+  }
+
+  return r;
+}
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+
+function localstorage() {
+  try {
+    // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
+    // The Browser also has localStorage in the global context.
+    return localStorage;
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  }
+}
+
+module.exports = require('./common')(exports);
+var formatters = module.exports.formatters;
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+formatters.j = function (v) {
+  try {
+    return JSON.stringify(v);
+  } catch (error) {
+    return '[UnexpectedJSONParseError]: ' + error.message;
+  }
+};
+
diff --git a/web/public/node_modules/debug/src/common.js b/web/public/node_modules/debug/src/common.js
new file mode 100644
index 000000000..e0de3fb53
--- /dev/null
+++ b/web/public/node_modules/debug/src/common.js
@@ -0,0 +1,249 @@
+"use strict";
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ */
+function setup(env) {
+  createDebug.debug = createDebug;
+  createDebug.default = createDebug;
+  createDebug.coerce = coerce;
+  createDebug.disable = disable;
+  createDebug.enable = enable;
+  createDebug.enabled = enabled;
+  createDebug.humanize = require('ms');
+  Object.keys(env).forEach(function (key) {
+    createDebug[key] = env[key];
+  });
+  /**
+  * Active `debug` instances.
+  */
+
+  createDebug.instances = [];
+  /**
+  * The currently active debug mode names, and names to skip.
+  */
+
+  createDebug.names = [];
+  createDebug.skips = [];
+  /**
+  * Map of special "%n" handling functions, for the debug "format" argument.
+  *
+  * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+  */
+
+  createDebug.formatters = {};
+  /**
+  * Selects a color for a debug namespace
+  * @param {String} namespace The namespace string for the for the debug instance to be colored
+  * @return {Number|String} An ANSI color code for the given namespace
+  * @api private
+  */
+
+  function selectColor(namespace) {
+    var hash = 0;
+
+    for (var i = 0; i < namespace.length; i++) {
+      hash = (hash << 5) - hash + namespace.charCodeAt(i);
+      hash |= 0; // Convert to 32bit integer
+    }
+
+    return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
+  }
+
+  createDebug.selectColor = selectColor;
+  /**
+  * Create a debugger with the given `namespace`.
+  *
+  * @param {String} namespace
+  * @return {Function}
+  * @api public
+  */
+
+  function createDebug(namespace) {
+    var prevTime;
+
+    function debug() {
+      // Disabled?
+      if (!debug.enabled) {
+        return;
+      }
+
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      var self = debug; // Set `diff` timestamp
+
+      var curr = Number(new Date());
+      var ms = curr - (prevTime || curr);
+      self.diff = ms;
+      self.prev = prevTime;
+      self.curr = curr;
+      prevTime = curr;
+      args[0] = createDebug.coerce(args[0]);
+
+      if (typeof args[0] !== 'string') {
+        // Anything else let's inspect with %O
+        args.unshift('%O');
+      } // Apply any `formatters` transformations
+
+
+      var index = 0;
+      args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
+        // If we encounter an escaped % then don't increase the array index
+        if (match === '%%') {
+          return match;
+        }
+
+        index++;
+        var formatter = createDebug.formatters[format];
+
+        if (typeof formatter === 'function') {
+          var val = args[index];
+          match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`
+
+          args.splice(index, 1);
+          index--;
+        }
+
+        return match;
+      }); // Apply env-specific formatting (colors, etc.)
+
+      createDebug.formatArgs.call(self, args);
+      var logFn = self.log || createDebug.log;
+      logFn.apply(self, args);
+    }
+
+    debug.namespace = namespace;
+    debug.enabled = createDebug.enabled(namespace);
+    debug.useColors = createDebug.useColors();
+    debug.color = selectColor(namespace);
+    debug.destroy = destroy;
+    debug.extend = extend; // Debug.formatArgs = formatArgs;
+    // debug.rawLog = rawLog;
+    // env-specific initialization logic for debug instances
+
+    if (typeof createDebug.init === 'function') {
+      createDebug.init(debug);
+    }
+
+    createDebug.instances.push(debug);
+    return debug;
+  }
+
+  function destroy() {
+    var index = createDebug.instances.indexOf(this);
+
+    if (index !== -1) {
+      createDebug.instances.splice(index, 1);
+      return true;
+    }
+
+    return false;
+  }
+
+  function extend(namespace, delimiter) {
+    return createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
+  }
+  /**
+  * Enables a debug mode by namespaces. This can include modes
+  * separated by a colon and wildcards.
+  *
+  * @param {String} namespaces
+  * @api public
+  */
+
+
+  function enable(namespaces) {
+    createDebug.save(namespaces);
+    createDebug.names = [];
+    createDebug.skips = [];
+    var i;
+    var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+    var len = split.length;
+
+    for (i = 0; i < len; i++) {
+      if (!split[i]) {
+        // ignore empty strings
+        continue;
+      }
+
+      namespaces = split[i].replace(/\*/g, '.*?');
+
+      if (namespaces[0] === '-') {
+        createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+      } else {
+        createDebug.names.push(new RegExp('^' + namespaces + '$'));
+      }
+    }
+
+    for (i = 0; i < createDebug.instances.length; i++) {
+      var instance = createDebug.instances[i];
+      instance.enabled = createDebug.enabled(instance.namespace);
+    }
+  }
+  /**
+  * Disable debug output.
+  *
+  * @api public
+  */
+
+
+  function disable() {
+    createDebug.enable('');
+  }
+  /**
+  * Returns true if the given mode name is enabled, false otherwise.
+  *
+  * @param {String} name
+  * @return {Boolean}
+  * @api public
+  */
+
+
+  function enabled(name) {
+    if (name[name.length - 1] === '*') {
+      return true;
+    }
+
+    var i;
+    var len;
+
+    for (i = 0, len = createDebug.skips.length; i < len; i++) {
+      if (createDebug.skips[i].test(name)) {
+        return false;
+      }
+    }
+
+    for (i = 0, len = createDebug.names.length; i < len; i++) {
+      if (createDebug.names[i].test(name)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+  /**
+  * Coerce `val`.
+  *
+  * @param {Mixed} val
+  * @return {Mixed}
+  * @api private
+  */
+
+
+  function coerce(val) {
+    if (val instanceof Error) {
+      return val.stack || val.message;
+    }
+
+    return val;
+  }
+
+  createDebug.enable(createDebug.load());
+  return createDebug;
+}
+
+module.exports = setup;
+
diff --git a/web/public/node_modules/debug/src/index.js b/web/public/node_modules/debug/src/index.js
new file mode 100644
index 000000000..021731593
--- /dev/null
+++ b/web/public/node_modules/debug/src/index.js
@@ -0,0 +1,12 @@
+"use strict";
+
+/**
+ * Detect Electron renderer / nwjs process, which is node, but we should
+ * treat as a browser.
+ */
+if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
+  module.exports = require('./browser.js');
+} else {
+  module.exports = require('./node.js');
+}
+
diff --git a/web/public/node_modules/debug/src/node.js b/web/public/node_modules/debug/src/node.js
new file mode 100644
index 000000000..1e6a5f16a
--- /dev/null
+++ b/web/public/node_modules/debug/src/node.js
@@ -0,0 +1,177 @@
+"use strict";
+
+/**
+ * Module dependencies.
+ */
+var tty = require('tty');
+
+var util = require('util');
+/**
+ * This is the Node.js implementation of `debug()`.
+ */
+
+
+exports.init = init;
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+/**
+ * Colors.
+ */
+
+exports.colors = [6, 2, 3, 4, 5, 1];
+
+try {
+  // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
+  // eslint-disable-next-line import/no-extraneous-dependencies
+  var supportsColor = require('supports-color');
+
+  if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
+    exports.colors = [20, 21, 26, 27, 32, 33, 38, 39, 40, 41, 42, 43, 44, 45, 56, 57, 62, 63, 68, 69, 74, 75, 76, 77, 78, 79, 80, 81, 92, 93, 98, 99, 112, 113, 128, 129, 134, 135, 148, 149, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 178, 179, 184, 185, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 214, 215, 220, 221];
+  }
+} catch (error) {} // Swallow - we only care if `supports-color` is available; it doesn't have to be.
+
+/**
+ * Build up the default `inspectOpts` object from the environment variables.
+ *
+ *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
+ */
+
+
+exports.inspectOpts = Object.keys(process.env).filter(function (key) {
+  return /^debug_/i.test(key);
+}).reduce(function (obj, key) {
+  // Camel-case
+  var prop = key.substring(6).toLowerCase().replace(/_([a-z])/g, function (_, k) {
+    return k.toUpperCase();
+  }); // Coerce string value into JS value
+
+  var val = process.env[key];
+
+  if (/^(yes|on|true|enabled)$/i.test(val)) {
+    val = true;
+  } else if (/^(no|off|false|disabled)$/i.test(val)) {
+    val = false;
+  } else if (val === 'null') {
+    val = null;
+  } else {
+    val = Number(val);
+  }
+
+  obj[prop] = val;
+  return obj;
+}, {});
+/**
+ * Is stdout a TTY? Colored output is enabled when `true`.
+ */
+
+function useColors() {
+  return 'colors' in exports.inspectOpts ? Boolean(exports.inspectOpts.colors) : tty.isatty(process.stderr.fd);
+}
+/**
+ * Adds ANSI color escape codes if enabled.
+ *
+ * @api public
+ */
+
+
+function formatArgs(args) {
+  var name = this.namespace,
+      useColors = this.useColors;
+
+  if (useColors) {
+    var c = this.color;
+    var colorCode = "\x1B[3" + (c < 8 ? c : '8;5;' + c);
+    var prefix = "  ".concat(colorCode, ";1m").concat(name, " \x1B[0m");
+    args[0] = prefix + args[0].split('\n').join('\n' + prefix);
+    args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + "\x1B[0m");
+  } else {
+    args[0] = getDate() + name + ' ' + args[0];
+  }
+}
+
+function getDate() {
+  if (exports.inspectOpts.hideDate) {
+    return '';
+  }
+
+  return new Date().toISOString() + ' ';
+}
+/**
+ * Invokes `util.format()` with the specified arguments and writes to stderr.
+ */
+
+
+function log() {
+  return process.stderr.write(util.format.apply(util, arguments) + '\n');
+}
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+
+function save(namespaces) {
+  if (namespaces) {
+    process.env.DEBUG = namespaces;
+  } else {
+    // If you set a process.env field to null or undefined, it gets cast to the
+    // string 'null' or 'undefined'. Just delete instead.
+    delete process.env.DEBUG;
+  }
+}
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+
+function load() {
+  return process.env.DEBUG;
+}
+/**
+ * Init logic for `debug` instances.
+ *
+ * Create a new `inspectOpts` object in case `useColors` is set
+ * differently for a particular `debug` instance.
+ */
+
+
+function init(debug) {
+  debug.inspectOpts = {};
+  var keys = Object.keys(exports.inspectOpts);
+
+  for (var i = 0; i < keys.length; i++) {
+    debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
+  }
+}
+
+module.exports = require('./common')(exports);
+var formatters = module.exports.formatters;
+/**
+ * Map %o to `util.inspect()`, all on a single line.
+ */
+
+formatters.o = function (v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts)
+    .split('\n')
+    .map(function (str) { return str.trim(); })
+    .join(' ');
+};
+/**
+ * Map %O to `util.inspect()`, allowing multiple lines if needed.
+ */
+
+
+formatters.O = function (v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts);
+};
+
diff --git a/web/public/node_modules/define-data-property/.eslintrc b/web/public/node_modules/define-data-property/.eslintrc
new file mode 100644
index 000000000..75443e81e
--- /dev/null
+++ b/web/public/node_modules/define-data-property/.eslintrc
@@ -0,0 +1,24 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"complexity": 0,
+		"id-length": 0,
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"max-lines-per-function": "off",
+			},
+		},
+	],
+}
diff --git a/web/public/node_modules/define-data-property/.github/FUNDING.yml b/web/public/node_modules/define-data-property/.github/FUNDING.yml
new file mode 100644
index 000000000..3e17725dd
--- /dev/null
+++ b/web/public/node_modules/define-data-property/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/define-data-property
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/define-data-property/.nycrc b/web/public/node_modules/define-data-property/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/web/public/node_modules/define-data-property/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/define-data-property/CHANGELOG.md b/web/public/node_modules/define-data-property/CHANGELOG.md
new file mode 100644
index 000000000..4eed75ea9
--- /dev/null
+++ b/web/public/node_modules/define-data-property/CHANGELOG.md
@@ -0,0 +1,70 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.4](https://github.com/ljharb/define-data-property/compare/v1.1.3...v1.1.4) - 2024-02-13
+
+### Commits
+
+- [Refactor] use `es-define-property` [`90f2f4c`](https://github.com/ljharb/define-data-property/commit/90f2f4cc20298401e71c28e1e08888db12021453)
+- [Dev Deps] update `@types/object.getownpropertydescriptors` [`cd929d9`](https://github.com/ljharb/define-data-property/commit/cd929d9a04f5f2fdcfa9d5be140940b91a083153)
+
+## [v1.1.3](https://github.com/ljharb/define-data-property/compare/v1.1.2...v1.1.3) - 2024-02-12
+
+### Commits
+
+- [types] hand-write d.ts instead of emitting it [`0cbc988`](https://github.com/ljharb/define-data-property/commit/0cbc988203c105f2d97948327c7167ebd33bd318)
+- [meta] simplify `exports` [`690781e`](https://github.com/ljharb/define-data-property/commit/690781eed28bbf2d6766237efda0ba6dd591609e)
+- [Dev Deps] update `hasown`; clean up DT packages [`6cdfd1c`](https://github.com/ljharb/define-data-property/commit/6cdfd1cb2d91d791bfd18cda5d5cab232fd5d8fc)
+- [actions] cleanup [`3142bc6`](https://github.com/ljharb/define-data-property/commit/3142bc6a4bc406a51f5b04f31e98562a27f35ffd)
+- [meta] add `funding` [`8474423`](https://github.com/ljharb/define-data-property/commit/847442391a79779af3e0f1bf0b5bb923552b7804)
+- [Deps] update `get-intrinsic` [`3e9be00`](https://github.com/ljharb/define-data-property/commit/3e9be00e07784ba34e7c77d8bc0fdbc832ad61de)
+
+## [v1.1.2](https://github.com/ljharb/define-data-property/compare/v1.1.1...v1.1.2) - 2024-02-05
+
+### Commits
+
+- [Dev Deps] update @types packages, `object-inspect`, `tape`, `typescript` [`df41bf8`](https://github.com/ljharb/define-data-property/commit/df41bf84ca3456be6226055caab44e38e3a7fd2f)
+- [Dev Deps] update DT packages, `aud`, `npmignore`, `tape`, typescript` [`fab0e4e`](https://github.com/ljharb/define-data-property/commit/fab0e4ec709ee02b79f42d6db3ee5f26e0a34b8a)
+- [Dev Deps] use `hasown` instead of `has` [`aa51ef9`](https://github.com/ljharb/define-data-property/commit/aa51ef93f6403d49d9bb72a807bcdb6e418978c0)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`d89be50`](https://github.com/ljharb/define-data-property/commit/d89be50571175888d391238605122679f7e65ffc)
+- [Deps] update `has-property-descriptors` [`7af887c`](https://github.com/ljharb/define-data-property/commit/7af887c9083b59b195b0079e04815cfed9fcee2b)
+- [Deps] update `get-intrinsic` [`bb8728e`](https://github.com/ljharb/define-data-property/commit/bb8728ec42cd998505a7157ae24853a560c20646)
+
+## [v1.1.1](https://github.com/ljharb/define-data-property/compare/v1.1.0...v1.1.1) - 2023-10-12
+
+### Commits
+
+- [Tests] fix tests in ES3 engines [`5c6920e`](https://github.com/ljharb/define-data-property/commit/5c6920edd1f52f675b02f417e539c28135b43f94)
+- [Dev Deps] update `@types/es-value-fixtures`, `@types/for-each`, `@types/gopd`, `@types/has-property-descriptors`, `tape`, `typescript` [`7d82dfc`](https://github.com/ljharb/define-data-property/commit/7d82dfc20f778b4465bba06335dd53f6f431aea3)
+- [Fix] IE 8 has a broken `Object.defineProperty` [`0672e1a`](https://github.com/ljharb/define-data-property/commit/0672e1af2a9fcc787e7c23b96dea60d290df5548)
+- [meta] emit types on prepack [`73acb1f`](https://github.com/ljharb/define-data-property/commit/73acb1f903c21b314ec7156bf10f73c7910530c0)
+- [Dev Deps] update `tape`, `typescript` [`9489a77`](https://github.com/ljharb/define-data-property/commit/9489a7738bf2ecf0ac71d5b78ec4ca6ad7ba0142)
+
+## [v1.1.0](https://github.com/ljharb/define-data-property/compare/v1.0.1...v1.1.0) - 2023-09-13
+
+### Commits
+
+- [New] add `loose` arg [`155235a`](https://github.com/ljharb/define-data-property/commit/155235a4c4d7741f6de01cd87c99599a56654b72)
+- [New] allow `null` to be passed for the non* args [`7d2fa5f`](https://github.com/ljharb/define-data-property/commit/7d2fa5f06be0392736c13b126f7cd38979f34792)
+
+## [v1.0.1](https://github.com/ljharb/define-data-property/compare/v1.0.0...v1.0.1) - 2023-09-12
+
+### Commits
+
+- [meta] add TS types [`43d763c`](https://github.com/ljharb/define-data-property/commit/43d763c6c883f652de1c9c02ef6216ee507ffa69)
+- [Dev Deps] update `@types/tape`, `typescript` [`f444985`](https://github.com/ljharb/define-data-property/commit/f444985811c36f3e6448a03ad2f9b7898917f4c7)
+- [meta] add `safe-publish-latest`, [`172bb10`](https://github.com/ljharb/define-data-property/commit/172bb10890896ebb160e64398f6ee55760107bee)
+
+## v1.0.0 - 2023-09-12
+
+### Commits
+
+- Initial implementation, tests, readme [`5b43d6b`](https://github.com/ljharb/define-data-property/commit/5b43d6b44e675a904810467a7d4e0adb7efc3196)
+- Initial commit [`35e577a`](https://github.com/ljharb/define-data-property/commit/35e577a6ba59a98befa97776d70d90f3bea9009d)
+- npm init [`82a0a04`](https://github.com/ljharb/define-data-property/commit/82a0a04a321ca7de220af02d41e2745e8a9962ed)
+- Only apps should have lockfiles [`96df244`](https://github.com/ljharb/define-data-property/commit/96df244a3c6f426f9a2437be825d1c6f5dd7158e)
+- [meta] use `npmignore` to autogenerate an npmignore file [`a87ff18`](https://github.com/ljharb/define-data-property/commit/a87ff18cb79e14c2eb5720486c4759fd9a189375)
diff --git a/web/public/node_modules/define-data-property/LICENSE b/web/public/node_modules/define-data-property/LICENSE
new file mode 100644
index 000000000..b4213ac64
--- /dev/null
+++ b/web/public/node_modules/define-data-property/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/define-data-property/README.md b/web/public/node_modules/define-data-property/README.md
new file mode 100644
index 000000000..f2304daef
--- /dev/null
+++ b/web/public/node_modules/define-data-property/README.md
@@ -0,0 +1,67 @@
+# define-data-property <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Define a data property on an object. Will fall back to assignment in an engine without descriptors.
+
+The three `non*` argument can also be passed `null`, which will use the existing state if available.
+
+The `loose` argument will mean that if you attempt to set a non-normal data property, in an environment without descriptor support, it will fall back to normal assignment.
+
+## Usage
+
+```javascript
+var defineDataProperty = require('define-data-property');
+var assert = require('assert');
+
+var obj = {};
+defineDataProperty(obj, 'key', 'value');
+defineDataProperty(
+	obj,
+	'key2',
+	'value',
+	true, // nonEnumerable, optional
+	false, // nonWritable, optional
+	true, // nonConfigurable, optional
+	false // loose, optional
+);
+
+assert.deepEqual(
+	Object.getOwnPropertyDescriptors(obj),
+	{
+		key: {
+			configurable: true,
+			enumerable: true,
+			value: 'value',
+			writable: true,
+		},
+		key2: {
+			configurable: false,
+			enumerable: false,
+			value: 'value',
+			writable: true,
+		},
+	}
+);
+```
+
+[package-url]: https://npmjs.org/package/define-data-property
+[npm-version-svg]: https://versionbadg.es/ljharb/define-data-property.svg
+[deps-svg]: https://david-dm.org/ljharb/define-data-property.svg
+[deps-url]: https://david-dm.org/ljharb/define-data-property
+[dev-deps-svg]: https://david-dm.org/ljharb/define-data-property/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/define-data-property#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/define-data-property.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/define-data-property.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/define-data-property.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=define-data-property
+[codecov-image]: https://codecov.io/gh/ljharb/define-data-property/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/define-data-property/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/define-data-property
+[actions-url]: https://github.com/ljharb/define-data-property/actions
diff --git a/web/public/node_modules/define-data-property/index.d.ts b/web/public/node_modules/define-data-property/index.d.ts
new file mode 100644
index 000000000..b56a77da8
--- /dev/null
+++ b/web/public/node_modules/define-data-property/index.d.ts
@@ -0,0 +1,12 @@
+
+declare function defineDataProperty(
+    obj: Record<PropertyKey, unknown>,
+    property: keyof typeof obj,
+    value: typeof obj[typeof property],
+    nonEnumerable?: boolean | null,
+    nonWritable?: boolean | null,
+    nonConfigurable?: boolean | null,
+    loose?: boolean
+): void;
+
+export = defineDataProperty;
\ No newline at end of file
diff --git a/web/public/node_modules/define-data-property/index.js b/web/public/node_modules/define-data-property/index.js
new file mode 100644
index 000000000..e1a38c07b
--- /dev/null
+++ b/web/public/node_modules/define-data-property/index.js
@@ -0,0 +1,56 @@
+'use strict';
+
+var $defineProperty = require('es-define-property');
+
+var $SyntaxError = require('es-errors/syntax');
+var $TypeError = require('es-errors/type');
+
+var gopd = require('gopd');
+
+/** @type {import('.')} */
+module.exports = function defineDataProperty(
+	obj,
+	property,
+	value
+) {
+	if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+		throw new $TypeError('`obj` must be an object or a function`');
+	}
+	if (typeof property !== 'string' && typeof property !== 'symbol') {
+		throw new $TypeError('`property` must be a string or a symbol`');
+	}
+	if (arguments.length > 3 && typeof arguments[3] !== 'boolean' && arguments[3] !== null) {
+		throw new $TypeError('`nonEnumerable`, if provided, must be a boolean or null');
+	}
+	if (arguments.length > 4 && typeof arguments[4] !== 'boolean' && arguments[4] !== null) {
+		throw new $TypeError('`nonWritable`, if provided, must be a boolean or null');
+	}
+	if (arguments.length > 5 && typeof arguments[5] !== 'boolean' && arguments[5] !== null) {
+		throw new $TypeError('`nonConfigurable`, if provided, must be a boolean or null');
+	}
+	if (arguments.length > 6 && typeof arguments[6] !== 'boolean') {
+		throw new $TypeError('`loose`, if provided, must be a boolean');
+	}
+
+	var nonEnumerable = arguments.length > 3 ? arguments[3] : null;
+	var nonWritable = arguments.length > 4 ? arguments[4] : null;
+	var nonConfigurable = arguments.length > 5 ? arguments[5] : null;
+	var loose = arguments.length > 6 ? arguments[6] : false;
+
+	/* @type {false | TypedPropertyDescriptor<unknown>} */
+	var desc = !!gopd && gopd(obj, property);
+
+	if ($defineProperty) {
+		$defineProperty(obj, property, {
+			configurable: nonConfigurable === null && desc ? desc.configurable : !nonConfigurable,
+			enumerable: nonEnumerable === null && desc ? desc.enumerable : !nonEnumerable,
+			value: value,
+			writable: nonWritable === null && desc ? desc.writable : !nonWritable
+		});
+	} else if (loose || (!nonEnumerable && !nonWritable && !nonConfigurable)) {
+		// must fall back to [[Set]], and was not explicitly asked to make non-enumerable, non-writable, or non-configurable
+		obj[property] = value; // eslint-disable-line no-param-reassign
+	} else {
+		throw new $SyntaxError('This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.');
+	}
+};
diff --git a/web/public/node_modules/define-data-property/package.json b/web/public/node_modules/define-data-property/package.json
new file mode 100644
index 000000000..eec40971e
--- /dev/null
+++ b/web/public/node_modules/define-data-property/package.json
@@ -0,0 +1,106 @@
+{
+	"name": "define-data-property",
+	"version": "1.1.4",
+	"description": "Define a data property on an object. Will fall back to assignment in an engine without descriptors.",
+	"main": "index.js",
+	"types": "./index.d.ts",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"tsc": "tsc -p .",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "npm run tsc",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/define-data-property.git"
+	},
+	"keywords": [
+		"define",
+		"data",
+		"property",
+		"object",
+		"accessor",
+		"javascript",
+		"ecmascript",
+		"enumerable",
+		"configurable",
+		"writable"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/define-data-property/issues"
+	},
+	"homepage": "https://github.com/ljharb/define-data-property#readme",
+	"dependencies": {
+		"es-define-property": "^1.0.0",
+		"es-errors": "^1.3.0",
+		"gopd": "^1.0.1"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/call-bind": "^1.0.5",
+		"@types/define-properties": "^1.1.5",
+		"@types/es-value-fixtures": "^1.4.4",
+		"@types/for-each": "^0.3.3",
+		"@types/get-intrinsic": "^1.2.2",
+		"@types/gopd": "^1.0.3",
+		"@types/has-property-descriptors": "^1.0.3",
+		"@types/object-inspect": "^1.8.4",
+		"@types/object.getownpropertydescriptors": "^2.1.4",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"hasown": "^2.0.1",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"object.getownpropertydescriptors": "^2.1.7",
+		"reflect.ownkeys": "^1.1.4",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"types/reflect.ownkeys"
+		]
+	}
+}
diff --git a/web/public/node_modules/define-data-property/test/index.js b/web/public/node_modules/define-data-property/test/index.js
new file mode 100644
index 000000000..68204c66b
--- /dev/null
+++ b/web/public/node_modules/define-data-property/test/index.js
@@ -0,0 +1,392 @@
+'use strict';
+
+var test = require('tape');
+var v = require('es-value-fixtures');
+var forEach = require('for-each');
+var inspect = require('object-inspect');
+var hasOwn = require('hasown');
+var hasPropertyDescriptors = require('has-property-descriptors')();
+var getOwnPropertyDescriptors = require('object.getownpropertydescriptors');
+var ownKeys = require('reflect.ownkeys');
+
+var defineDataProperty = require('../');
+
+test('defineDataProperty', function (t) {
+	t.test('argument validation', function (st) {
+		forEach(v.primitives, function (nonObject) {
+			st['throws'](
+				// @ts-expect-error
+				function () { defineDataProperty(nonObject, 'key', 'value'); },
+				TypeError,
+				'throws on non-object input: ' + inspect(nonObject)
+			);
+		});
+
+		forEach(v.nonPropertyKeys, function (nonPropertyKey) {
+			st['throws'](
+				// @ts-expect-error
+				function () { defineDataProperty({}, nonPropertyKey, 'value'); },
+				TypeError,
+				'throws on non-PropertyKey input: ' + inspect(nonPropertyKey)
+			);
+		});
+
+		forEach(v.nonBooleans, function (nonBoolean) {
+			if (nonBoolean !== null) {
+				st['throws'](
+					// @ts-expect-error
+					function () { defineDataProperty({}, 'key', 'value', nonBoolean); },
+					TypeError,
+					'throws on non-boolean nonEnumerable: ' + inspect(nonBoolean)
+				);
+
+				st['throws'](
+					// @ts-expect-error
+					function () { defineDataProperty({}, 'key', 'value', false, nonBoolean); },
+					TypeError,
+					'throws on non-boolean nonWritable: ' + inspect(nonBoolean)
+				);
+
+				st['throws'](
+					// @ts-expect-error
+					function () { defineDataProperty({}, 'key', 'value', false, false, nonBoolean); },
+					TypeError,
+					'throws on non-boolean nonConfigurable: ' + inspect(nonBoolean)
+				);
+			}
+		});
+
+		st.end();
+	});
+
+	t.test('normal data property', function (st) {
+		/** @type {Record<PropertyKey, string>} */
+		var obj = { existing: 'existing property' };
+		st.ok(hasOwn(obj, 'existing'), 'has initial own property');
+		st.equal(obj.existing, 'existing property', 'has expected initial value');
+
+		var res = defineDataProperty(obj, 'added', 'added property');
+		st.equal(res, void undefined, 'returns `undefined`');
+		st.ok(hasOwn(obj, 'added'), 'has expected own property');
+		st.equal(obj.added, 'added property', 'has expected value');
+
+		defineDataProperty(obj, 'existing', 'new value');
+		st.ok(hasOwn(obj, 'existing'), 'still has expected own property');
+		st.equal(obj.existing, 'new value', 'has new expected value');
+
+		defineDataProperty(obj, 'explicit1', 'new value', false);
+		st.ok(hasOwn(obj, 'explicit1'), 'has expected own property (explicit enumerable)');
+		st.equal(obj.explicit1, 'new value', 'has new expected value (explicit enumerable)');
+
+		defineDataProperty(obj, 'explicit2', 'new value', false, false);
+		st.ok(hasOwn(obj, 'explicit2'), 'has expected own property (explicit writable)');
+		st.equal(obj.explicit2, 'new value', 'has new expected value (explicit writable)');
+
+		defineDataProperty(obj, 'explicit3', 'new value', false, false, false);
+		st.ok(hasOwn(obj, 'explicit3'), 'has expected own property (explicit configurable)');
+		st.equal(obj.explicit3, 'new value', 'has new expected value (explicit configurable)');
+
+		st.end();
+	});
+
+	t.test('loose mode', { skip: !hasPropertyDescriptors }, function (st) {
+		var obj = { existing: 'existing property' };
+
+		defineDataProperty(obj, 'added', 'added value 1', true, null, null, true);
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				added: {
+					configurable: true,
+					enumerable: !hasPropertyDescriptors,
+					value: 'added value 1',
+					writable: true
+				}
+			},
+			'in loose mode, obj still adds property 1'
+		);
+
+		defineDataProperty(obj, 'added', 'added value 2', false, true, null, true);
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				added: {
+					configurable: true,
+					enumerable: true,
+					value: 'added value 2',
+					writable: !hasPropertyDescriptors
+				}
+			},
+			'in loose mode, obj still adds property 2'
+		);
+
+		defineDataProperty(obj, 'added', 'added value 3', false, false, true, true);
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				added: {
+					configurable: !hasPropertyDescriptors,
+					enumerable: true,
+					value: 'added value 3',
+					writable: true
+				}
+			},
+			'in loose mode, obj still adds property 3'
+		);
+
+		st.end();
+	});
+
+	t.test('non-normal data property, ES3', { skip: hasPropertyDescriptors }, function (st) {
+		/** @type {Record<PropertyKey, string>} */
+		var obj = { existing: 'existing property' };
+
+		st['throws'](
+			function () { defineDataProperty(obj, 'added', 'added value', true); },
+			SyntaxError,
+			'nonEnumerable throws a Syntax Error'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(obj, 'added', 'added value', false, true); },
+			SyntaxError,
+			'nonWritable throws a Syntax Error'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(obj, 'added', 'added value', false, false, true); },
+			SyntaxError,
+			'nonWritable throws a Syntax Error'
+		);
+
+		st.deepEqual(
+			ownKeys(obj),
+			['existing'],
+			'obj still has expected keys'
+		);
+		st.equal(obj.existing, 'existing property', 'obj still has expected values');
+
+		st.end();
+	});
+
+	t.test('new non-normal data property, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		/** @type {Record<PropertyKey, string>} */
+		var obj = { existing: 'existing property' };
+
+		defineDataProperty(obj, 'nonEnum', null, true);
+		defineDataProperty(obj, 'nonWrit', null, false, true);
+		defineDataProperty(obj, 'nonConf', null, false, false, true);
+
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				existing: {
+					configurable: true,
+					enumerable: true,
+					value: 'existing property',
+					writable: true
+				},
+				nonEnum: {
+					configurable: true,
+					enumerable: false,
+					value: null,
+					writable: true
+				},
+				nonWrit: {
+					configurable: true,
+					enumerable: true,
+					value: null,
+					writable: false
+				},
+				nonConf: {
+					configurable: false,
+					enumerable: true,
+					value: null,
+					writable: true
+				}
+			},
+			'obj has expected property descriptors'
+		);
+
+		st.end();
+	});
+
+	t.test('existing non-normal data property, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		// test case changing an existing non-normal property
+
+		/** @type {Record<string, null | string>} */
+		var obj = {};
+		Object.defineProperty(obj, 'nonEnum', { configurable: true, enumerable: false, value: null, writable: true });
+		Object.defineProperty(obj, 'nonWrit', { configurable: true, enumerable: true, value: null, writable: false });
+		Object.defineProperty(obj, 'nonConf', { configurable: false, enumerable: true, value: null, writable: true });
+
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				nonEnum: {
+					configurable: true,
+					enumerable: false,
+					value: null,
+					writable: true
+				},
+				nonWrit: {
+					configurable: true,
+					enumerable: true,
+					value: null,
+					writable: false
+				},
+				nonConf: {
+					configurable: false,
+					enumerable: true,
+					value: null,
+					writable: true
+				}
+			},
+			'obj initially has expected property descriptors'
+		);
+
+		defineDataProperty(obj, 'nonEnum', 'new value', false);
+		defineDataProperty(obj, 'nonWrit', 'new value', false, false);
+		st['throws'](
+			function () { defineDataProperty(obj, 'nonConf', 'new value', false, false, false); },
+			TypeError,
+			'can not alter a nonconfigurable property'
+		);
+
+		st.deepEqual(
+			getOwnPropertyDescriptors(obj),
+			{
+				nonEnum: {
+					configurable: true,
+					enumerable: true,
+					value: 'new value',
+					writable: true
+				},
+				nonWrit: {
+					configurable: true,
+					enumerable: true,
+					value: 'new value',
+					writable: true
+				},
+				nonConf: {
+					configurable: false,
+					enumerable: true,
+					value: null,
+					writable: true
+				}
+			},
+			'obj ends up with expected property descriptors'
+		);
+
+		st.end();
+	});
+
+	t.test('frozen object, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		var frozen = Object.freeze({ existing: true });
+
+		st['throws'](
+			function () { defineDataProperty(frozen, 'existing', 'new value'); },
+			TypeError,
+			'frozen object can not modify an existing property'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(frozen, 'new', 'new property'); },
+			TypeError,
+			'frozen object can not add a new property'
+		);
+
+		st.end();
+	});
+
+	t.test('sealed object, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		var sealed = Object.seal({ existing: true });
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(sealed, 'existing'),
+			{
+				configurable: false,
+				enumerable: true,
+				value: true,
+				writable: true
+			},
+			'existing value on sealed object has expected descriptor'
+		);
+
+		defineDataProperty(sealed, 'existing', 'new value');
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(sealed, 'existing'),
+			{
+				configurable: false,
+				enumerable: true,
+				value: 'new value',
+				writable: true
+			},
+			'existing value on sealed object has changed descriptor'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(sealed, 'new', 'new property'); },
+			TypeError,
+			'sealed object can not add a new property'
+		);
+
+		st.end();
+	});
+
+	t.test('nonextensible object, ES5+', { skip: !hasPropertyDescriptors }, function (st) {
+		var nonExt = Object.preventExtensions({ existing: true });
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(nonExt, 'existing'),
+			{
+				configurable: true,
+				enumerable: true,
+				value: true,
+				writable: true
+			},
+			'existing value on non-extensible object has expected descriptor'
+		);
+
+		defineDataProperty(nonExt, 'existing', 'new value', true);
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(nonExt, 'existing'),
+			{
+				configurable: true,
+				enumerable: false,
+				value: 'new value',
+				writable: true
+			},
+			'existing value on non-extensible object has changed descriptor'
+		);
+
+		st['throws'](
+			function () { defineDataProperty(nonExt, 'new', 'new property'); },
+			TypeError,
+			'non-extensible object can not add a new property'
+		);
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/web/public/node_modules/define-data-property/tsconfig.json b/web/public/node_modules/define-data-property/tsconfig.json
new file mode 100644
index 000000000..69f060dcc
--- /dev/null
+++ b/web/public/node_modules/define-data-property/tsconfig.json
@@ -0,0 +1,59 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+
+    /* Language and Environment */
+    "target": "es2022",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    "useDefineForClassFields": true,                     /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    "typeRoots": ["types"],                              /* Specify multiple folders that act like './node_modules/@types'. */
+    "resolveJsonModule": true,                           /* Enable importing .json files. */
+
+    /* JavaScript Support */
+    "allowJs": true,                                    /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    "checkJs": true,                                    /* Enable error reporting in type-checked JavaScript files. */
+    "maxNodeModuleJsDepth": 1,                          /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    "declaration": true,                                 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    "declarationMap": true,                              /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    "noEmit": true,                                      /* Disable emitting files from a compilation. */
+
+    /* Interop Constraints */
+    "allowSyntheticDefaultImports": true,                /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+    "noImplicitAny": true,                               /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    "noImplicitThis": true,                              /* Enable error reporting when 'this' is given the type 'any'. */
+    "useUnknownInCatchVariables": true,                  /* Default catch clause variables as 'unknown' instead of 'any'. */
+    "noUnusedLocals": true,                              /* Enable error reporting when local variables aren't read. */
+    "noUnusedParameters": true,                          /* Raise an error when a function parameter isn't read. */
+    "noImplicitReturns": true,                           /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    "noFallthroughCasesInSwitch": true,                  /* Enable error reporting for fallthrough cases in switch statements. */
+    "noUncheckedIndexedAccess": true,                    /* Add 'undefined' to a type when accessed using an index. */
+    "noImplicitOverride": true,                          /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+
+    /* Completeness */
+    // "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  },
+  "exclude": [
+    "coverage"
+  ]
+}
diff --git a/web/public/node_modules/es-define-property/.eslintrc b/web/public/node_modules/es-define-property/.eslintrc
new file mode 100644
index 000000000..46f3b120b
--- /dev/null
+++ b/web/public/node_modules/es-define-property/.eslintrc
@@ -0,0 +1,13 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+}
diff --git a/web/public/node_modules/es-define-property/.github/FUNDING.yml b/web/public/node_modules/es-define-property/.github/FUNDING.yml
new file mode 100644
index 000000000..4445451fb
--- /dev/null
+++ b/web/public/node_modules/es-define-property/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/es-define-property
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/web/public/node_modules/es-define-property/.nycrc b/web/public/node_modules/es-define-property/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/web/public/node_modules/es-define-property/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/es-define-property/CHANGELOG.md b/web/public/node_modules/es-define-property/CHANGELOG.md
new file mode 100644
index 000000000..4dce2ec58
--- /dev/null
+++ b/web/public/node_modules/es-define-property/CHANGELOG.md
@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## v1.0.0 - 2024-02-12
+
+### Commits
+
+- Initial implementation, tests, readme, types [`3e154e1`](https://github.com/ljharb/es-define-property/commit/3e154e11a2fee09127220f5e503bf2c0a31dd480)
+- Initial commit [`07d98de`](https://github.com/ljharb/es-define-property/commit/07d98de34a4dc31ff5e83a37c0c3f49e0d85cd50)
+- npm init [`c4eb634`](https://github.com/ljharb/es-define-property/commit/c4eb6348b0d3886aac36cef34ad2ee0665ea6f3e)
+- Only apps should have lockfiles [`7af86ec`](https://github.com/ljharb/es-define-property/commit/7af86ec1d311ec0b17fdfe616a25f64276903856)
diff --git a/web/public/node_modules/es-define-property/LICENSE b/web/public/node_modules/es-define-property/LICENSE
new file mode 100644
index 000000000..f82f38963
--- /dev/null
+++ b/web/public/node_modules/es-define-property/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/es-define-property/README.md b/web/public/node_modules/es-define-property/README.md
new file mode 100644
index 000000000..9b291bddb
--- /dev/null
+++ b/web/public/node_modules/es-define-property/README.md
@@ -0,0 +1,49 @@
+# es-define-property <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+`Object.defineProperty`, but not IE 8's broken one.
+
+## Example
+
+```js
+const assert = require('assert');
+
+const $defineProperty = require('es-define-property');
+
+if ($defineProperty) {
+    assert.equal($defineProperty, Object.defineProperty);
+} else if (Object.defineProperty) {
+    assert.equal($defineProperty, false, 'this is IE 8');
+} else {
+    assert.equal($defineProperty, false, 'this is an ES3 engine');
+}
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/es-define-property
+[npm-version-svg]: https://versionbadg.es/ljharb/es-define-property.svg
+[deps-svg]: https://david-dm.org/ljharb/es-define-property.svg
+[deps-url]: https://david-dm.org/ljharb/es-define-property
+[dev-deps-svg]: https://david-dm.org/ljharb/es-define-property/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/es-define-property#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/es-define-property.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/es-define-property.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/es-define-property.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=es-define-property
+[codecov-image]: https://codecov.io/gh/ljharb/es-define-property/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/es-define-property/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/es-define-property
+[actions-url]: https://github.com/ljharb/es-define-property/actions
diff --git a/web/public/node_modules/es-define-property/index.d.ts b/web/public/node_modules/es-define-property/index.d.ts
new file mode 100644
index 000000000..6012247c4
--- /dev/null
+++ b/web/public/node_modules/es-define-property/index.d.ts
@@ -0,0 +1,3 @@
+declare const defineProperty: false | typeof Object.defineProperty;
+
+export = defineProperty;
\ No newline at end of file
diff --git a/web/public/node_modules/es-define-property/index.js b/web/public/node_modules/es-define-property/index.js
new file mode 100644
index 000000000..f32737d24
--- /dev/null
+++ b/web/public/node_modules/es-define-property/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+/** @type {import('.')} */
+var $defineProperty = GetIntrinsic('%Object.defineProperty%', true) || false;
+if ($defineProperty) {
+	try {
+		$defineProperty({}, 'a', { value: 1 });
+	} catch (e) {
+		// IE 8 has a broken defineProperty
+		$defineProperty = false;
+	}
+}
+
+module.exports = $defineProperty;
diff --git a/web/public/node_modules/es-define-property/package.json b/web/public/node_modules/es-define-property/package.json
new file mode 100644
index 000000000..45bc90f3e
--- /dev/null
+++ b/web/public/node_modules/es-define-property/package.json
@@ -0,0 +1,81 @@
+{
+	"name": "es-define-property",
+	"version": "1.0.0",
+	"description": "`Object.defineProperty`, but not IE 8's broken one.",
+	"main": "index.js",
+	"types": "./index.d.ts",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/es-define-property.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"object",
+		"define",
+		"property",
+		"defineProperty",
+		"Object.defineProperty"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/es-define-property/issues"
+	},
+	"homepage": "https://github.com/ljharb/es-define-property#readme",
+	"dependencies": {
+		"get-intrinsic": "^1.2.4"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/get-intrinsic": "^1.2.2",
+		"@types/gopd": "^1.0.3",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "^8.8.0",
+		"evalmd": "^0.0.19",
+		"gopd": "^1.0.1",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/web/public/node_modules/es-define-property/test/index.js b/web/public/node_modules/es-define-property/test/index.js
new file mode 100644
index 000000000..dbc054efe
--- /dev/null
+++ b/web/public/node_modules/es-define-property/test/index.js
@@ -0,0 +1,55 @@
+'use strict';
+
+var $defineProperty = require('../');
+
+var test = require('tape');
+var gOPD = require('gopd');
+
+test('defineProperty: supported', { skip: !$defineProperty }, function (t) {
+	t.plan(4);
+
+	t.equal(typeof $defineProperty, 'function', 'defineProperty is supported');
+	if ($defineProperty && gOPD) { // this `if` check is just to shut TS up
+		var o = { a: 1 };
+
+		$defineProperty(o, 'b', { enumerable: true, value: 2 });
+		t.deepEqual(
+			gOPD(o, 'b'),
+			{
+				configurable: false,
+				enumerable: true,
+				value: 2,
+				writable: false
+			},
+			'property descriptor is as expected'
+		);
+
+		$defineProperty(o, 'c', { enumerable: false, value: 3, writable: true });
+		t.deepEqual(
+			gOPD(o, 'c'),
+			{
+				configurable: false,
+				enumerable: false,
+				value: 3,
+				writable: true
+			},
+			'property descriptor is as expected'
+		);
+	}
+
+	t.equal($defineProperty, Object.defineProperty, 'defineProperty is Object.defineProperty');
+
+	t.end();
+});
+
+test('defineProperty: not supported', { skip: !!$defineProperty }, function (t) {
+	t.notOk($defineProperty, 'defineProperty is not supported');
+
+	t.match(
+		typeof $defineProperty,
+		/^(?:undefined|boolean)$/,
+		'`typeof defineProperty` is `undefined` or `boolean`'
+	);
+
+	t.end();
+});
diff --git a/web/public/node_modules/es-define-property/tsconfig.json b/web/public/node_modules/es-define-property/tsconfig.json
new file mode 100644
index 000000000..fdfa1550d
--- /dev/null
+++ b/web/public/node_modules/es-define-property/tsconfig.json
@@ -0,0 +1,50 @@
+{
+	"compilerOptions": {
+		/* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+		/* Projects */
+
+		/* Language and Environment */
+		"target": "es2022",																	/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+		// "lib": [],																				/* Specify a set of bundled library declaration files that describe the target runtime environment. */
+		// "noLib": true,																		/* Disable including any library files, including the default lib.d.ts. */
+		"useDefineForClassFields": true,										 /* Emit ECMAScript-standard-compliant class fields. */
+		// "moduleDetection": "auto",												/* Control what method is used to detect module-format JS files. */
+
+		/* Modules */
+		"module": "commonjs",																/* Specify what module code is generated. */
+		// "rootDir": "./",																	/* Specify the root folder within your source files. */
+		// "moduleResolution": "node",											 /* Specify how TypeScript looks up a file from a given module specifier. */
+		// "baseUrl": "./",																	/* Specify the base directory to resolve non-relative module names. */
+		// "paths": {},																			/* Specify a set of entries that re-map imports to additional lookup locations. */
+		// "rootDirs": [],																	 /* Allow multiple folders to be treated as one when resolving modules. */
+		// "typeRoots": ["types"],													 /* Specify multiple folders that act like `./node_modules/@types`. */
+		"resolveJsonModule": true,													 /* Enable importing .json files. */
+		// "allowArbitraryExtensions": true,								 /* Enable importing files with any extension, provided a declaration file is present. */
+
+		/* JavaScript Support */
+		"allowJs": true,																		 /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+		"checkJs": true,																		 /* Enable error reporting in type-checked JavaScript files. */
+		"maxNodeModuleJsDepth": 1,													 /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
+
+		/* Emit */
+		"declaration": true,																 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+		"declarationMap": true,															/* Create sourcemaps for d.ts files. */
+		"noEmit": true,																			/* Disable emitting files from a compilation. */
+
+		/* Interop Constraints */
+		"allowSyntheticDefaultImports": true,								/* Allow `import x from y` when a module doesn't have a default export. */
+		"esModuleInterop": true,														 /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
+		"forceConsistentCasingInFileNames": true,						/* Ensure that casing is correct in imports. */
+
+		/* Type Checking */
+		"strict": true,																			/* Enable all strict type-checking options. */
+
+		/* Completeness */
+		// "skipLibCheck": true															/* Skip type checking all .d.ts files. */
+	},
+	"exclude": [
+		"coverage",
+		"test/list-exports"
+	],
+}
diff --git a/web/public/node_modules/es-errors/.eslintrc b/web/public/node_modules/es-errors/.eslintrc
new file mode 100644
index 000000000..3b5d9e90e
--- /dev/null
+++ b/web/public/node_modules/es-errors/.eslintrc
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
diff --git a/web/public/node_modules/es-errors/.github/FUNDING.yml b/web/public/node_modules/es-errors/.github/FUNDING.yml
new file mode 100644
index 000000000..f1b880554
--- /dev/null
+++ b/web/public/node_modules/es-errors/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/es-errors
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/web/public/node_modules/es-errors/CHANGELOG.md b/web/public/node_modules/es-errors/CHANGELOG.md
new file mode 100644
index 000000000..204a9e904
--- /dev/null
+++ b/web/public/node_modules/es-errors/CHANGELOG.md
@@ -0,0 +1,40 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.3.0](https://github.com/ljharb/es-errors/compare/v1.2.1...v1.3.0) - 2024-02-05
+
+### Commits
+
+- [New] add `EvalError` and `URIError` [`1927627`](https://github.com/ljharb/es-errors/commit/1927627ba68cb6c829d307231376c967db53acdf)
+
+## [v1.2.1](https://github.com/ljharb/es-errors/compare/v1.2.0...v1.2.1) - 2024-02-04
+
+### Commits
+
+- [Fix] add missing `exports` entry [`5bb5f28`](https://github.com/ljharb/es-errors/commit/5bb5f280f98922701109d6ebb82eea2257cecc7e)
+
+## [v1.2.0](https://github.com/ljharb/es-errors/compare/v1.1.0...v1.2.0) - 2024-02-04
+
+### Commits
+
+- [New] add `ReferenceError` [`6d8cf5b`](https://github.com/ljharb/es-errors/commit/6d8cf5bbb6f3f598d02cf6f30e468ba2caa8e143)
+
+## [v1.1.0](https://github.com/ljharb/es-errors/compare/v1.0.0...v1.1.0) - 2024-02-04
+
+### Commits
+
+- [New] add base Error [`2983ab6`](https://github.com/ljharb/es-errors/commit/2983ab65f7bc5441276cb021dc3aa03c78881698)
+
+## v1.0.0 - 2024-02-03
+
+### Commits
+
+- Initial implementation, tests, readme, type [`8f47631`](https://github.com/ljharb/es-errors/commit/8f476317e9ad76f40ad648081829b1a1a3a1288b)
+- Initial commit [`ea5d099`](https://github.com/ljharb/es-errors/commit/ea5d099ef18e550509ab9e2be000526afd81c385)
+- npm init [`6f5ebf9`](https://github.com/ljharb/es-errors/commit/6f5ebf9cead474dadd72b9e63dad315820a089ae)
+- Only apps should have lockfiles [`e1a0aeb`](https://github.com/ljharb/es-errors/commit/e1a0aeb7b80f5cfc56be54d6b2100e915d47def8)
+- [meta] add `sideEffects` flag [`a9c7d46`](https://github.com/ljharb/es-errors/commit/a9c7d460a492f1d8a241c836bc25a322a19cc043)
diff --git a/web/public/node_modules/es-errors/LICENSE b/web/public/node_modules/es-errors/LICENSE
new file mode 100644
index 000000000..f82f38963
--- /dev/null
+++ b/web/public/node_modules/es-errors/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/es-errors/README.md b/web/public/node_modules/es-errors/README.md
new file mode 100644
index 000000000..8dbfacfea
--- /dev/null
+++ b/web/public/node_modules/es-errors/README.md
@@ -0,0 +1,55 @@
+# es-errors <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+A simple cache for a few of the JS Error constructors.
+
+## Example
+
+```js
+const assert = require('assert');
+
+const Base = require('es-errors');
+const Eval = require('es-errors/eval');
+const Range = require('es-errors/range');
+const Ref = require('es-errors/ref');
+const Syntax = require('es-errors/syntax');
+const Type = require('es-errors/type');
+const URI = require('es-errors/uri');
+
+assert.equal(Base, Error);
+assert.equal(Eval, EvalError);
+assert.equal(Range, RangeError);
+assert.equal(Ref, ReferenceError);
+assert.equal(Syntax, SyntaxError);
+assert.equal(Type, TypeError);
+assert.equal(URI, URIError);
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/es-errors
+[npm-version-svg]: https://versionbadg.es/ljharb/es-errors.svg
+[deps-svg]: https://david-dm.org/ljharb/es-errors.svg
+[deps-url]: https://david-dm.org/ljharb/es-errors
+[dev-deps-svg]: https://david-dm.org/ljharb/es-errors/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/es-errors#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/es-errors.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/es-errors.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/es-errors.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=es-errors
+[codecov-image]: https://codecov.io/gh/ljharb/es-errors/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/es-errors/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/es-errors
+[actions-url]: https://github.com/ljharb/es-errors/actions
diff --git a/web/public/node_modules/es-errors/eval.d.ts b/web/public/node_modules/es-errors/eval.d.ts
new file mode 100644
index 000000000..e4210e01e
--- /dev/null
+++ b/web/public/node_modules/es-errors/eval.d.ts
@@ -0,0 +1,3 @@
+declare const EvalError: EvalErrorConstructor;
+
+export = EvalError;
diff --git a/web/public/node_modules/es-errors/eval.js b/web/public/node_modules/es-errors/eval.js
new file mode 100644
index 000000000..725ccb61a
--- /dev/null
+++ b/web/public/node_modules/es-errors/eval.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./eval')} */
+module.exports = EvalError;
diff --git a/web/public/node_modules/es-errors/index.d.ts b/web/public/node_modules/es-errors/index.d.ts
new file mode 100644
index 000000000..69bdbc92e
--- /dev/null
+++ b/web/public/node_modules/es-errors/index.d.ts
@@ -0,0 +1,3 @@
+declare const Error: ErrorConstructor;
+
+export = Error;
diff --git a/web/public/node_modules/es-errors/index.js b/web/public/node_modules/es-errors/index.js
new file mode 100644
index 000000000..cc0c52124
--- /dev/null
+++ b/web/public/node_modules/es-errors/index.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('.')} */
+module.exports = Error;
diff --git a/web/public/node_modules/es-errors/package.json b/web/public/node_modules/es-errors/package.json
new file mode 100644
index 000000000..ff8c2a531
--- /dev/null
+++ b/web/public/node_modules/es-errors/package.json
@@ -0,0 +1,80 @@
+{
+	"name": "es-errors",
+	"version": "1.3.0",
+	"description": "A simple cache for a few of the JS Error constructors.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./eval": "./eval.js",
+		"./range": "./range.js",
+		"./ref": "./ref.js",
+		"./syntax": "./syntax.js",
+		"./type": "./type.js",
+		"./uri": "./uri.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"posttest": "aud --production",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p . && eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git' | grep -v dist/)",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/es-errors.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"error",
+		"typeerror",
+		"syntaxerror",
+		"rangeerror"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/es-errors/issues"
+	},
+	"homepage": "https://github.com/ljharb/es-errors#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eclint": "^2.8.1",
+		"eslint": "^8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4",
+		"typescript": "next"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/web/public/node_modules/es-errors/range.d.ts b/web/public/node_modules/es-errors/range.d.ts
new file mode 100644
index 000000000..3a12e8642
--- /dev/null
+++ b/web/public/node_modules/es-errors/range.d.ts
@@ -0,0 +1,3 @@
+declare const RangeError: RangeErrorConstructor;
+
+export = RangeError;
diff --git a/web/public/node_modules/es-errors/range.js b/web/public/node_modules/es-errors/range.js
new file mode 100644
index 000000000..2044fe036
--- /dev/null
+++ b/web/public/node_modules/es-errors/range.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./range')} */
+module.exports = RangeError;
diff --git a/web/public/node_modules/es-errors/ref.d.ts b/web/public/node_modules/es-errors/ref.d.ts
new file mode 100644
index 000000000..a13107e24
--- /dev/null
+++ b/web/public/node_modules/es-errors/ref.d.ts
@@ -0,0 +1,3 @@
+declare const ReferenceError: ReferenceErrorConstructor;
+
+export = ReferenceError;
diff --git a/web/public/node_modules/es-errors/ref.js b/web/public/node_modules/es-errors/ref.js
new file mode 100644
index 000000000..d7c430fdb
--- /dev/null
+++ b/web/public/node_modules/es-errors/ref.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./ref')} */
+module.exports = ReferenceError;
diff --git a/web/public/node_modules/es-errors/syntax.d.ts b/web/public/node_modules/es-errors/syntax.d.ts
new file mode 100644
index 000000000..6a0c53c5b
--- /dev/null
+++ b/web/public/node_modules/es-errors/syntax.d.ts
@@ -0,0 +1,3 @@
+declare const SyntaxError: SyntaxErrorConstructor;
+
+export = SyntaxError;
diff --git a/web/public/node_modules/es-errors/syntax.js b/web/public/node_modules/es-errors/syntax.js
new file mode 100644
index 000000000..5f5fddeec
--- /dev/null
+++ b/web/public/node_modules/es-errors/syntax.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./syntax')} */
+module.exports = SyntaxError;
diff --git a/web/public/node_modules/es-errors/test/index.js b/web/public/node_modules/es-errors/test/index.js
new file mode 100644
index 000000000..1ff027721
--- /dev/null
+++ b/web/public/node_modules/es-errors/test/index.js
@@ -0,0 +1,19 @@
+'use strict';
+
+var test = require('tape');
+
+var E = require('../');
+var R = require('../range');
+var Ref = require('../ref');
+var S = require('../syntax');
+var T = require('../type');
+
+test('errors', function (t) {
+	t.equal(E, Error);
+	t.equal(R, RangeError);
+	t.equal(Ref, ReferenceError);
+	t.equal(S, SyntaxError);
+	t.equal(T, TypeError);
+
+	t.end();
+});
diff --git a/web/public/node_modules/es-errors/tsconfig.json b/web/public/node_modules/es-errors/tsconfig.json
new file mode 100644
index 000000000..99dfeb6c8
--- /dev/null
+++ b/web/public/node_modules/es-errors/tsconfig.json
@@ -0,0 +1,49 @@
+{
+	"compilerOptions": {
+		/* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+		/* Projects */
+
+		/* Language and Environment */
+		"target": "es5",																	/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+		// "lib": [],																				/* Specify a set of bundled library declaration files that describe the target runtime environment. */
+		// "noLib": true,																		/* Disable including any library files, including the default lib.d.ts. */
+		"useDefineForClassFields": true,										 /* Emit ECMAScript-standard-compliant class fields. */
+		// "moduleDetection": "auto",												/* Control what method is used to detect module-format JS files. */
+
+		/* Modules */
+		"module": "commonjs",																/* Specify what module code is generated. */
+		// "rootDir": "./",																	/* Specify the root folder within your source files. */
+		// "moduleResolution": "node",											 /* Specify how TypeScript looks up a file from a given module specifier. */
+		// "baseUrl": "./",																	/* Specify the base directory to resolve non-relative module names. */
+		// "paths": {},																			/* Specify a set of entries that re-map imports to additional lookup locations. */
+		// "rootDirs": [],																	 /* Allow multiple folders to be treated as one when resolving modules. */
+		// "typeRoots": ["types"],													 /* Specify multiple folders that act like `./node_modules/@types`. */
+		"resolveJsonModule": true,													 /* Enable importing .json files. */
+		// "allowArbitraryExtensions": true,								 /* Enable importing files with any extension, provided a declaration file is present. */
+
+		/* JavaScript Support */
+		"allowJs": true,																		 /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+		"checkJs": true,																		 /* Enable error reporting in type-checked JavaScript files. */
+		"maxNodeModuleJsDepth": 1,													 /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
+
+		/* Emit */
+		"declaration": true,																 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+		"declarationMap": true,															/* Create sourcemaps for d.ts files. */
+		"noEmit": true,																			/* Disable emitting files from a compilation. */
+
+		/* Interop Constraints */
+		"allowSyntheticDefaultImports": true,								/* Allow `import x from y` when a module doesn't have a default export. */
+		"esModuleInterop": true,														 /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
+		"forceConsistentCasingInFileNames": true,						/* Ensure that casing is correct in imports. */
+
+		/* Type Checking */
+		"strict": true,																			/* Enable all strict type-checking options. */
+
+		/* Completeness */
+		// "skipLibCheck": true															/* Skip type checking all .d.ts files. */
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/web/public/node_modules/es-errors/type.d.ts b/web/public/node_modules/es-errors/type.d.ts
new file mode 100644
index 000000000..576fb5161
--- /dev/null
+++ b/web/public/node_modules/es-errors/type.d.ts
@@ -0,0 +1,3 @@
+declare const TypeError: TypeErrorConstructor
+
+export = TypeError;
diff --git a/web/public/node_modules/es-errors/type.js b/web/public/node_modules/es-errors/type.js
new file mode 100644
index 000000000..9769e44e3
--- /dev/null
+++ b/web/public/node_modules/es-errors/type.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./type')} */
+module.exports = TypeError;
diff --git a/web/public/node_modules/es-errors/uri.d.ts b/web/public/node_modules/es-errors/uri.d.ts
new file mode 100644
index 000000000..c3261c91e
--- /dev/null
+++ b/web/public/node_modules/es-errors/uri.d.ts
@@ -0,0 +1,3 @@
+declare const URIError: URIErrorConstructor;
+
+export = URIError;
diff --git a/web/public/node_modules/es-errors/uri.js b/web/public/node_modules/es-errors/uri.js
new file mode 100644
index 000000000..e9cd1c787
--- /dev/null
+++ b/web/public/node_modules/es-errors/uri.js
@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./uri')} */
+module.exports = URIError;
diff --git a/web/public/node_modules/eventemitter3/LICENSE b/web/public/node_modules/eventemitter3/LICENSE
new file mode 100644
index 000000000..abcbd54e5
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Arnout Kazemier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/eventemitter3/README.md b/web/public/node_modules/eventemitter3/README.md
new file mode 100644
index 000000000..aba7e1807
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/README.md
@@ -0,0 +1,94 @@
+# EventEmitter3
+
+[![Version npm](https://img.shields.io/npm/v/eventemitter3.svg?style=flat-square)](https://www.npmjs.com/package/eventemitter3)[![Build Status](https://img.shields.io/travis/primus/eventemitter3/master.svg?style=flat-square)](https://travis-ci.org/primus/eventemitter3)[![Dependencies](https://img.shields.io/david/primus/eventemitter3.svg?style=flat-square)](https://david-dm.org/primus/eventemitter3)[![Coverage Status](https://img.shields.io/coveralls/primus/eventemitter3/master.svg?style=flat-square)](https://coveralls.io/r/primus/eventemitter3?branch=master)[![IRC channel](https://img.shields.io/badge/IRC-irc.freenode.net%23primus-00a8ff.svg?style=flat-square)](https://webchat.freenode.net/?channels=primus)
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/eventemitter3.svg)](https://saucelabs.com/u/eventemitter3)
+
+EventEmitter3 is a high performance EventEmitter. It has been micro-optimized
+for various of code paths making this, one of, if not the fastest EventEmitter
+available for Node.js and browsers. The module is API compatible with the
+EventEmitter that ships by default with Node.js but there are some slight
+differences:
+
+- Domain support has been removed.
+- We do not `throw` an error when you emit an `error` event and nobody is
+  listening.
+- The `newListener` and `removeListener` events have been removed as they
+  are useful only in some uncommon use-cases.
+- The `setMaxListeners`, `getMaxListeners`, `prependListener` and
+  `prependOnceListener` methods are not available.
+- Support for custom context for events so there is no need to use `fn.bind`.
+- The `removeListener` method removes all matching listeners, not only the
+  first.
+
+It's a drop in replacement for existing EventEmitters, but just faster. Free
+performance, who wouldn't want that? The EventEmitter is written in EcmaScript 3
+so it will work in the oldest browsers and node versions that you need to
+support.
+
+## Installation
+
+```bash
+$ npm install --save eventemitter3
+```
+
+## CDN
+
+Recommended CDN:
+
+```text
+https://unpkg.com/eventemitter3@latest/umd/eventemitter3.min.js
+```
+
+## Usage
+
+After installation the only thing you need to do is require the module:
+
+```js
+var EventEmitter = require('eventemitter3');
+```
+
+And you're ready to create your own EventEmitter instances. For the API
+documentation, please follow the official Node.js documentation:
+
+http://nodejs.org/api/events.html
+
+### Contextual emits
+
+We've upgraded the API of the `EventEmitter.on`, `EventEmitter.once` and
+`EventEmitter.removeListener` to accept an extra argument which is the `context`
+or `this` value that should be set for the emitted events. This means you no
+longer have the overhead of an event that required `fn.bind` in order to get a
+custom `this` value.
+
+```js
+var EE = new EventEmitter()
+  , context = { foo: 'bar' };
+
+function emitted() {
+  console.log(this === context); // true
+}
+
+EE.once('event-name', emitted, context);
+EE.on('another-event', emitted, context);
+EE.removeListener('another-event', emitted, context);
+```
+
+### Tests and benchmarks
+
+This module is well tested. You can run:
+
+- `npm test` to run the tests under Node.js.
+- `npm run test-browser` to run the tests in real browsers via Sauce Labs.
+
+We also have a set of benchmarks to compare EventEmitter3 with some available
+alternatives. To run the benchmarks run `npm run benchmark`.
+
+Tests and benchmarks are not included in the npm package. If you want to play
+with them you have to clone the GitHub repository.
+Note that you will have to run an additional `npm i` in the benchmarks folder
+before `npm run benchmark`.
+
+## License
+
+[MIT](LICENSE)
diff --git a/web/public/node_modules/eventemitter3/index.d.ts b/web/public/node_modules/eventemitter3/index.d.ts
new file mode 100644
index 000000000..118f68bb9
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/index.d.ts
@@ -0,0 +1,134 @@
+/**
+ * Minimal `EventEmitter` interface that is molded against the Node.js
+ * `EventEmitter` interface.
+ */
+declare class EventEmitter<
+  EventTypes extends EventEmitter.ValidEventTypes = string | symbol,
+  Context extends any = any
+> {
+  static prefixed: string | boolean;
+
+  /**
+   * Return an array listing the events for which the emitter has registered
+   * listeners.
+   */
+  eventNames(): Array<EventEmitter.EventNames<EventTypes>>;
+
+  /**
+   * Return the listeners registered for a given event.
+   */
+  listeners<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T
+  ): Array<EventEmitter.EventListener<EventTypes, T>>;
+
+  /**
+   * Return the number of listeners listening to a given event.
+   */
+  listenerCount(event: EventEmitter.EventNames<EventTypes>): number;
+
+  /**
+   * Calls each of the listeners registered for a given event.
+   */
+  emit<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    ...args: EventEmitter.EventArgs<EventTypes, T>
+  ): boolean;
+
+  /**
+   * Add a listener for a given event.
+   */
+  on<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+  addListener<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+
+  /**
+   * Add a one-time listener for a given event.
+   */
+  once<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+
+  /**
+   * Remove the listeners of a given event.
+   */
+  removeListener<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn?: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context,
+    once?: boolean
+  ): this;
+  off<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn?: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context,
+    once?: boolean
+  ): this;
+
+  /**
+   * Remove all listeners, or those of the specified event.
+   */
+  removeAllListeners(event?: EventEmitter.EventNames<EventTypes>): this;
+}
+
+declare namespace EventEmitter {
+  export interface ListenerFn<Args extends any[] = any[]> {
+    (...args: Args): void;
+  }
+
+  export interface EventEmitterStatic {
+    new <
+      EventTypes extends ValidEventTypes = string | symbol,
+      Context = any
+    >(): EventEmitter<EventTypes, Context>;
+  }
+
+  /**
+   * `object` should be in either of the following forms:
+   * ```
+   * interface EventTypes {
+   *   'event-with-parameters': any[]
+   *   'event-with-example-handler': (...args: any[]) => void
+   * }
+   * ```
+   */
+  export type ValidEventTypes = string | symbol | object;
+
+  export type EventNames<T extends ValidEventTypes> = T extends string | symbol
+    ? T
+    : keyof T;
+
+  export type ArgumentMap<T extends object> = {
+    [K in keyof T]: T[K] extends (...args: any[]) => void
+      ? Parameters<T[K]>
+      : T[K] extends any[]
+      ? T[K]
+      : any[];
+  };
+
+  export type EventListener<
+    T extends ValidEventTypes,
+    K extends EventNames<T>
+  > = T extends string | symbol
+    ? (...args: any[]) => void
+    : (
+        ...args: ArgumentMap<Exclude<T, string | symbol>>[Extract<K, keyof T>]
+      ) => void;
+
+  export type EventArgs<
+    T extends ValidEventTypes,
+    K extends EventNames<T>
+  > = Parameters<EventListener<T, K>>;
+
+  export const EventEmitter: EventEmitterStatic;
+}
+
+export = EventEmitter;
diff --git a/web/public/node_modules/eventemitter3/index.js b/web/public/node_modules/eventemitter3/index.js
new file mode 100644
index 000000000..6ea485c40
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/index.js
@@ -0,0 +1,336 @@
+'use strict';
+
+var has = Object.prototype.hasOwnProperty
+  , prefix = '~';
+
+/**
+ * Constructor to create a storage for our `EE` objects.
+ * An `Events` instance is a plain object whose properties are event names.
+ *
+ * @constructor
+ * @private
+ */
+function Events() {}
+
+//
+// We try to not inherit from `Object.prototype`. In some engines creating an
+// instance in this way is faster than calling `Object.create(null)` directly.
+// If `Object.create(null)` is not supported we prefix the event names with a
+// character to make sure that the built-in object properties are not
+// overridden or used as an attack vector.
+//
+if (Object.create) {
+  Events.prototype = Object.create(null);
+
+  //
+  // This hack is needed because the `__proto__` property is still inherited in
+  // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.
+  //
+  if (!new Events().__proto__) prefix = false;
+}
+
+/**
+ * Representation of a single event listener.
+ *
+ * @param {Function} fn The listener function.
+ * @param {*} context The context to invoke the listener with.
+ * @param {Boolean} [once=false] Specify if the listener is a one-time listener.
+ * @constructor
+ * @private
+ */
+function EE(fn, context, once) {
+  this.fn = fn;
+  this.context = context;
+  this.once = once || false;
+}
+
+/**
+ * Add a listener for a given event.
+ *
+ * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn The listener function.
+ * @param {*} context The context to invoke the listener with.
+ * @param {Boolean} once Specify if the listener is a one-time listener.
+ * @returns {EventEmitter}
+ * @private
+ */
+function addListener(emitter, event, fn, context, once) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('The listener must be a function');
+  }
+
+  var listener = new EE(fn, context || emitter, once)
+    , evt = prefix ? prefix + event : event;
+
+  if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;
+  else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);
+  else emitter._events[evt] = [emitter._events[evt], listener];
+
+  return emitter;
+}
+
+/**
+ * Clear event by name.
+ *
+ * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
+ * @param {(String|Symbol)} evt The Event name.
+ * @private
+ */
+function clearEvent(emitter, evt) {
+  if (--emitter._eventsCount === 0) emitter._events = new Events();
+  else delete emitter._events[evt];
+}
+
+/**
+ * Minimal `EventEmitter` interface that is molded against the Node.js
+ * `EventEmitter` interface.
+ *
+ * @constructor
+ * @public
+ */
+function EventEmitter() {
+  this._events = new Events();
+  this._eventsCount = 0;
+}
+
+/**
+ * Return an array listing the events for which the emitter has registered
+ * listeners.
+ *
+ * @returns {Array}
+ * @public
+ */
+EventEmitter.prototype.eventNames = function eventNames() {
+  var names = []
+    , events
+    , name;
+
+  if (this._eventsCount === 0) return names;
+
+  for (name in (events = this._events)) {
+    if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
+  }
+
+  if (Object.getOwnPropertySymbols) {
+    return names.concat(Object.getOwnPropertySymbols(events));
+  }
+
+  return names;
+};
+
+/**
+ * Return the listeners registered for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @returns {Array} The registered listeners.
+ * @public
+ */
+EventEmitter.prototype.listeners = function listeners(event) {
+  var evt = prefix ? prefix + event : event
+    , handlers = this._events[evt];
+
+  if (!handlers) return [];
+  if (handlers.fn) return [handlers.fn];
+
+  for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
+    ee[i] = handlers[i].fn;
+  }
+
+  return ee;
+};
+
+/**
+ * Return the number of listeners listening to a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @returns {Number} The number of listeners.
+ * @public
+ */
+EventEmitter.prototype.listenerCount = function listenerCount(event) {
+  var evt = prefix ? prefix + event : event
+    , listeners = this._events[evt];
+
+  if (!listeners) return 0;
+  if (listeners.fn) return 1;
+  return listeners.length;
+};
+
+/**
+ * Calls each of the listeners registered for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @returns {Boolean} `true` if the event had listeners, else `false`.
+ * @public
+ */
+EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
+  var evt = prefix ? prefix + event : event;
+
+  if (!this._events[evt]) return false;
+
+  var listeners = this._events[evt]
+    , len = arguments.length
+    , args
+    , i;
+
+  if (listeners.fn) {
+    if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);
+
+    switch (len) {
+      case 1: return listeners.fn.call(listeners.context), true;
+      case 2: return listeners.fn.call(listeners.context, a1), true;
+      case 3: return listeners.fn.call(listeners.context, a1, a2), true;
+      case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
+      case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
+      case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
+    }
+
+    for (i = 1, args = new Array(len -1); i < len; i++) {
+      args[i - 1] = arguments[i];
+    }
+
+    listeners.fn.apply(listeners.context, args);
+  } else {
+    var length = listeners.length
+      , j;
+
+    for (i = 0; i < length; i++) {
+      if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);
+
+      switch (len) {
+        case 1: listeners[i].fn.call(listeners[i].context); break;
+        case 2: listeners[i].fn.call(listeners[i].context, a1); break;
+        case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
+        case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
+        default:
+          if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {
+            args[j - 1] = arguments[j];
+          }
+
+          listeners[i].fn.apply(listeners[i].context, args);
+      }
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Add a listener for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn The listener function.
+ * @param {*} [context=this] The context to invoke the listener with.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.on = function on(event, fn, context) {
+  return addListener(this, event, fn, context, false);
+};
+
+/**
+ * Add a one-time listener for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn The listener function.
+ * @param {*} [context=this] The context to invoke the listener with.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.once = function once(event, fn, context) {
+  return addListener(this, event, fn, context, true);
+};
+
+/**
+ * Remove the listeners of a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn Only remove the listeners that match this function.
+ * @param {*} context Only remove the listeners that have this context.
+ * @param {Boolean} once Only remove one-time listeners.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
+  var evt = prefix ? prefix + event : event;
+
+  if (!this._events[evt]) return this;
+  if (!fn) {
+    clearEvent(this, evt);
+    return this;
+  }
+
+  var listeners = this._events[evt];
+
+  if (listeners.fn) {
+    if (
+      listeners.fn === fn &&
+      (!once || listeners.once) &&
+      (!context || listeners.context === context)
+    ) {
+      clearEvent(this, evt);
+    }
+  } else {
+    for (var i = 0, events = [], length = listeners.length; i < length; i++) {
+      if (
+        listeners[i].fn !== fn ||
+        (once && !listeners[i].once) ||
+        (context && listeners[i].context !== context)
+      ) {
+        events.push(listeners[i]);
+      }
+    }
+
+    //
+    // Reset the array, or remove it completely if we have no more listeners.
+    //
+    if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
+    else clearEvent(this, evt);
+  }
+
+  return this;
+};
+
+/**
+ * Remove all listeners, or those of the specified event.
+ *
+ * @param {(String|Symbol)} [event] The event name.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
+  var evt;
+
+  if (event) {
+    evt = prefix ? prefix + event : event;
+    if (this._events[evt]) clearEvent(this, evt);
+  } else {
+    this._events = new Events();
+    this._eventsCount = 0;
+  }
+
+  return this;
+};
+
+//
+// Alias methods names because people roll like that.
+//
+EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
+EventEmitter.prototype.addListener = EventEmitter.prototype.on;
+
+//
+// Expose the prefix.
+//
+EventEmitter.prefixed = prefix;
+
+//
+// Allow `EventEmitter` to be imported as module namespace.
+//
+EventEmitter.EventEmitter = EventEmitter;
+
+//
+// Expose the module.
+//
+if ('undefined' !== typeof module) {
+  module.exports = EventEmitter;
+}
diff --git a/web/public/node_modules/eventemitter3/package.json b/web/public/node_modules/eventemitter3/package.json
new file mode 100644
index 000000000..3c575b467
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "eventemitter3",
+  "version": "4.0.7",
+  "description": "EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.",
+  "main": "index.js",
+  "typings": "index.d.ts",
+  "scripts": {
+    "browserify": "rm -rf umd && mkdir umd && browserify index.js -s EventEmitter3 -o umd/eventemitter3.js",
+    "minify": "uglifyjs umd/eventemitter3.js --source-map -cm -o umd/eventemitter3.min.js",
+    "benchmark": "find benchmarks/run -name '*.js' -exec benchmarks/start.sh {} \\;",
+    "test": "nyc --reporter=html --reporter=text mocha test/test.js",
+    "prepublishOnly": "npm run browserify && npm run minify",
+    "test-browser": "node test/browser.js"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "umd"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/primus/eventemitter3.git"
+  },
+  "keywords": [
+    "EventEmitter",
+    "EventEmitter2",
+    "EventEmitter3",
+    "Events",
+    "addEventListener",
+    "addListener",
+    "emit",
+    "emits",
+    "emitter",
+    "event",
+    "once",
+    "pub/sub",
+    "publish",
+    "reactor",
+    "subscribe"
+  ],
+  "author": "Arnout Kazemier",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/primus/eventemitter3/issues"
+  },
+  "devDependencies": {
+    "assume": "^2.2.0",
+    "browserify": "^16.5.0",
+    "mocha": "^8.0.1",
+    "nyc": "^15.1.0",
+    "pre-commit": "^1.2.0",
+    "sauce-browsers": "^2.0.0",
+    "sauce-test": "^1.3.3",
+    "uglify-js": "^3.9.0"
+  }
+}
diff --git a/web/public/node_modules/eventemitter3/umd/eventemitter3.js b/web/public/node_modules/eventemitter3/umd/eventemitter3.js
new file mode 100644
index 000000000..888fcb8f5
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/umd/eventemitter3.js
@@ -0,0 +1,340 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.EventEmitter3 = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+'use strict';
+
+var has = Object.prototype.hasOwnProperty
+  , prefix = '~';
+
+/**
+ * Constructor to create a storage for our `EE` objects.
+ * An `Events` instance is a plain object whose properties are event names.
+ *
+ * @constructor
+ * @private
+ */
+function Events() {}
+
+//
+// We try to not inherit from `Object.prototype`. In some engines creating an
+// instance in this way is faster than calling `Object.create(null)` directly.
+// If `Object.create(null)` is not supported we prefix the event names with a
+// character to make sure that the built-in object properties are not
+// overridden or used as an attack vector.
+//
+if (Object.create) {
+  Events.prototype = Object.create(null);
+
+  //
+  // This hack is needed because the `__proto__` property is still inherited in
+  // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.
+  //
+  if (!new Events().__proto__) prefix = false;
+}
+
+/**
+ * Representation of a single event listener.
+ *
+ * @param {Function} fn The listener function.
+ * @param {*} context The context to invoke the listener with.
+ * @param {Boolean} [once=false] Specify if the listener is a one-time listener.
+ * @constructor
+ * @private
+ */
+function EE(fn, context, once) {
+  this.fn = fn;
+  this.context = context;
+  this.once = once || false;
+}
+
+/**
+ * Add a listener for a given event.
+ *
+ * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn The listener function.
+ * @param {*} context The context to invoke the listener with.
+ * @param {Boolean} once Specify if the listener is a one-time listener.
+ * @returns {EventEmitter}
+ * @private
+ */
+function addListener(emitter, event, fn, context, once) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('The listener must be a function');
+  }
+
+  var listener = new EE(fn, context || emitter, once)
+    , evt = prefix ? prefix + event : event;
+
+  if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;
+  else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);
+  else emitter._events[evt] = [emitter._events[evt], listener];
+
+  return emitter;
+}
+
+/**
+ * Clear event by name.
+ *
+ * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
+ * @param {(String|Symbol)} evt The Event name.
+ * @private
+ */
+function clearEvent(emitter, evt) {
+  if (--emitter._eventsCount === 0) emitter._events = new Events();
+  else delete emitter._events[evt];
+}
+
+/**
+ * Minimal `EventEmitter` interface that is molded against the Node.js
+ * `EventEmitter` interface.
+ *
+ * @constructor
+ * @public
+ */
+function EventEmitter() {
+  this._events = new Events();
+  this._eventsCount = 0;
+}
+
+/**
+ * Return an array listing the events for which the emitter has registered
+ * listeners.
+ *
+ * @returns {Array}
+ * @public
+ */
+EventEmitter.prototype.eventNames = function eventNames() {
+  var names = []
+    , events
+    , name;
+
+  if (this._eventsCount === 0) return names;
+
+  for (name in (events = this._events)) {
+    if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
+  }
+
+  if (Object.getOwnPropertySymbols) {
+    return names.concat(Object.getOwnPropertySymbols(events));
+  }
+
+  return names;
+};
+
+/**
+ * Return the listeners registered for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @returns {Array} The registered listeners.
+ * @public
+ */
+EventEmitter.prototype.listeners = function listeners(event) {
+  var evt = prefix ? prefix + event : event
+    , handlers = this._events[evt];
+
+  if (!handlers) return [];
+  if (handlers.fn) return [handlers.fn];
+
+  for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
+    ee[i] = handlers[i].fn;
+  }
+
+  return ee;
+};
+
+/**
+ * Return the number of listeners listening to a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @returns {Number} The number of listeners.
+ * @public
+ */
+EventEmitter.prototype.listenerCount = function listenerCount(event) {
+  var evt = prefix ? prefix + event : event
+    , listeners = this._events[evt];
+
+  if (!listeners) return 0;
+  if (listeners.fn) return 1;
+  return listeners.length;
+};
+
+/**
+ * Calls each of the listeners registered for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @returns {Boolean} `true` if the event had listeners, else `false`.
+ * @public
+ */
+EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
+  var evt = prefix ? prefix + event : event;
+
+  if (!this._events[evt]) return false;
+
+  var listeners = this._events[evt]
+    , len = arguments.length
+    , args
+    , i;
+
+  if (listeners.fn) {
+    if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);
+
+    switch (len) {
+      case 1: return listeners.fn.call(listeners.context), true;
+      case 2: return listeners.fn.call(listeners.context, a1), true;
+      case 3: return listeners.fn.call(listeners.context, a1, a2), true;
+      case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
+      case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
+      case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
+    }
+
+    for (i = 1, args = new Array(len -1); i < len; i++) {
+      args[i - 1] = arguments[i];
+    }
+
+    listeners.fn.apply(listeners.context, args);
+  } else {
+    var length = listeners.length
+      , j;
+
+    for (i = 0; i < length; i++) {
+      if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);
+
+      switch (len) {
+        case 1: listeners[i].fn.call(listeners[i].context); break;
+        case 2: listeners[i].fn.call(listeners[i].context, a1); break;
+        case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
+        case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
+        default:
+          if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {
+            args[j - 1] = arguments[j];
+          }
+
+          listeners[i].fn.apply(listeners[i].context, args);
+      }
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Add a listener for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn The listener function.
+ * @param {*} [context=this] The context to invoke the listener with.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.on = function on(event, fn, context) {
+  return addListener(this, event, fn, context, false);
+};
+
+/**
+ * Add a one-time listener for a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn The listener function.
+ * @param {*} [context=this] The context to invoke the listener with.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.once = function once(event, fn, context) {
+  return addListener(this, event, fn, context, true);
+};
+
+/**
+ * Remove the listeners of a given event.
+ *
+ * @param {(String|Symbol)} event The event name.
+ * @param {Function} fn Only remove the listeners that match this function.
+ * @param {*} context Only remove the listeners that have this context.
+ * @param {Boolean} once Only remove one-time listeners.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
+  var evt = prefix ? prefix + event : event;
+
+  if (!this._events[evt]) return this;
+  if (!fn) {
+    clearEvent(this, evt);
+    return this;
+  }
+
+  var listeners = this._events[evt];
+
+  if (listeners.fn) {
+    if (
+      listeners.fn === fn &&
+      (!once || listeners.once) &&
+      (!context || listeners.context === context)
+    ) {
+      clearEvent(this, evt);
+    }
+  } else {
+    for (var i = 0, events = [], length = listeners.length; i < length; i++) {
+      if (
+        listeners[i].fn !== fn ||
+        (once && !listeners[i].once) ||
+        (context && listeners[i].context !== context)
+      ) {
+        events.push(listeners[i]);
+      }
+    }
+
+    //
+    // Reset the array, or remove it completely if we have no more listeners.
+    //
+    if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
+    else clearEvent(this, evt);
+  }
+
+  return this;
+};
+
+/**
+ * Remove all listeners, or those of the specified event.
+ *
+ * @param {(String|Symbol)} [event] The event name.
+ * @returns {EventEmitter} `this`.
+ * @public
+ */
+EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
+  var evt;
+
+  if (event) {
+    evt = prefix ? prefix + event : event;
+    if (this._events[evt]) clearEvent(this, evt);
+  } else {
+    this._events = new Events();
+    this._eventsCount = 0;
+  }
+
+  return this;
+};
+
+//
+// Alias methods names because people roll like that.
+//
+EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
+EventEmitter.prototype.addListener = EventEmitter.prototype.on;
+
+//
+// Expose the prefix.
+//
+EventEmitter.prefixed = prefix;
+
+//
+// Allow `EventEmitter` to be imported as module namespace.
+//
+EventEmitter.EventEmitter = EventEmitter;
+
+//
+// Expose the module.
+//
+if ('undefined' !== typeof module) {
+  module.exports = EventEmitter;
+}
+
+},{}]},{},[1])(1)
+});
diff --git a/web/public/node_modules/eventemitter3/umd/eventemitter3.min.js b/web/public/node_modules/eventemitter3/umd/eventemitter3.min.js
new file mode 100644
index 000000000..2b1d2fb7a
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/umd/eventemitter3.min.js
@@ -0,0 +1 @@
+!function(e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).EventEmitter3=e()}(function(){return function i(s,f,c){function u(t,e){if(!f[t]){if(!s[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(a)return a(t,!0);var r=new Error("Cannot find module '"+t+"'");throw r.code="MODULE_NOT_FOUND",r}var o=f[t]={exports:{}};s[t][0].call(o.exports,function(e){return u(s[t][1][e]||e)},o,o.exports,i,s,f,c)}return f[t].exports}for(var a="function"==typeof require&&require,e=0;e<c.length;e++)u(c[e]);return u}({1:[function(e,t,n){"use strict";var r=Object.prototype.hasOwnProperty,v="~";function o(){}function f(e,t,n){this.fn=e,this.context=t,this.once=n||!1}function i(e,t,n,r,o){if("function"!=typeof n)throw new TypeError("The listener must be a function");var i=new f(n,r||e,o),s=v?v+t:t;return e._events[s]?e._events[s].fn?e._events[s]=[e._events[s],i]:e._events[s].push(i):(e._events[s]=i,e._eventsCount++),e}function u(e,t){0==--e._eventsCount?e._events=new o:delete e._events[t]}function s(){this._events=new o,this._eventsCount=0}Object.create&&(o.prototype=Object.create(null),(new o).__proto__||(v=!1)),s.prototype.eventNames=function(){var e,t,n=[];if(0===this._eventsCount)return n;for(t in e=this._events)r.call(e,t)&&n.push(v?t.slice(1):t);return Object.getOwnPropertySymbols?n.concat(Object.getOwnPropertySymbols(e)):n},s.prototype.listeners=function(e){var t=v?v+e:e,n=this._events[t];if(!n)return[];if(n.fn)return[n.fn];for(var r=0,o=n.length,i=new Array(o);r<o;r++)i[r]=n[r].fn;return i},s.prototype.listenerCount=function(e){var t=v?v+e:e,n=this._events[t];return n?n.fn?1:n.length:0},s.prototype.emit=function(e,t,n,r,o,i){var s=v?v+e:e;if(!this._events[s])return!1;var f,c=this._events[s],u=arguments.length;if(c.fn){switch(c.once&&this.removeListener(e,c.fn,void 0,!0),u){case 1:return c.fn.call(c.context),!0;case 2:return c.fn.call(c.context,t),!0;case 3:return c.fn.call(c.context,t,n),!0;case 4:return c.fn.call(c.context,t,n,r),!0;case 5:return c.fn.call(c.context,t,n,r,o),!0;case 6:return c.fn.call(c.context,t,n,r,o,i),!0}for(p=1,f=new Array(u-1);p<u;p++)f[p-1]=arguments[p];c.fn.apply(c.context,f)}else for(var a,l=c.length,p=0;p<l;p++)switch(c[p].once&&this.removeListener(e,c[p].fn,void 0,!0),u){case 1:c[p].fn.call(c[p].context);break;case 2:c[p].fn.call(c[p].context,t);break;case 3:c[p].fn.call(c[p].context,t,n);break;case 4:c[p].fn.call(c[p].context,t,n,r);break;default:if(!f)for(a=1,f=new Array(u-1);a<u;a++)f[a-1]=arguments[a];c[p].fn.apply(c[p].context,f)}return!0},s.prototype.on=function(e,t,n){return i(this,e,t,n,!1)},s.prototype.once=function(e,t,n){return i(this,e,t,n,!0)},s.prototype.removeListener=function(e,t,n,r){var o=v?v+e:e;if(!this._events[o])return this;if(!t)return u(this,o),this;var i=this._events[o];if(i.fn)i.fn!==t||r&&!i.once||n&&i.context!==n||u(this,o);else{for(var s=0,f=[],c=i.length;s<c;s++)(i[s].fn!==t||r&&!i[s].once||n&&i[s].context!==n)&&f.push(i[s]);f.length?this._events[o]=1===f.length?f[0]:f:u(this,o)}return this},s.prototype.removeAllListeners=function(e){var t;return e?(t=v?v+e:e,this._events[t]&&u(this,t)):(this._events=new o,this._eventsCount=0),this},s.prototype.off=s.prototype.removeListener,s.prototype.addListener=s.prototype.on,s.prefixed=v,s.EventEmitter=s,void 0!==t&&(t.exports=s)},{}]},{},[1])(1)});
\ No newline at end of file
diff --git a/web/public/node_modules/eventemitter3/umd/eventemitter3.min.js.map b/web/public/node_modules/eventemitter3/umd/eventemitter3.min.js.map
new file mode 100644
index 000000000..4c3ef3434
--- /dev/null
+++ b/web/public/node_modules/eventemitter3/umd/eventemitter3.min.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["umd/eventemitter3.js"],"names":["f","exports","module","define","amd","window","global","self","this","EventEmitter3","r","e","n","t","o","i","c","require","u","a","Error","code","p","call","length","1","has","Object","prototype","hasOwnProperty","prefix","Events","EE","fn","context","once","addListener","emitter","event","TypeError","listener","evt","_events","push","_eventsCount","clearEvent","EventEmitter","create","__proto__","eventNames","events","name","names","slice","getOwnPropertySymbols","concat","listeners","handlers","l","ee","Array","listenerCount","emit","a1","a2","a3","a4","a5","args","len","arguments","removeListener","undefined","apply","j","on","removeAllListeners","off","prefixed"],"mappings":"CAAA,SAAUA,GAAuB,iBAAVC,SAAoC,oBAATC,OAAsBA,OAAOD,QAAQD,IAA4B,mBAATG,QAAqBA,OAAOC,IAAKD,OAAO,GAAGH,IAAiC,oBAATK,OAAwBA,OAA+B,oBAATC,OAAwBA,OAA6B,oBAAPC,KAAsBA,KAAYC,MAAOC,cAAgBT,IAAlU,CAAyU,WAAqC,OAAmB,SAASU,EAAEC,EAAEC,EAAEC,GAAG,SAASC,EAAEC,EAAEf,GAAG,IAAIY,EAAEG,GAAG,CAAC,IAAIJ,EAAEI,GAAG,CAAC,IAAIC,EAAE,mBAAmBC,SAASA,QAAQ,IAAIjB,GAAGgB,EAAE,OAAOA,EAAED,GAAE,GAAI,GAAGG,EAAE,OAAOA,EAAEH,GAAE,GAAI,IAAII,EAAE,IAAIC,MAAM,uBAAuBL,EAAE,KAAK,MAAMI,EAAEE,KAAK,mBAAmBF,EAAE,IAAIG,EAAEV,EAAEG,GAAG,CAACd,QAAQ,IAAIU,EAAEI,GAAG,GAAGQ,KAAKD,EAAErB,QAAQ,SAASS,GAAoB,OAAOI,EAAlBH,EAAEI,GAAG,GAAGL,IAAeA,IAAIY,EAAEA,EAAErB,QAAQS,EAAEC,EAAEC,EAAEC,GAAG,OAAOD,EAAEG,GAAGd,QAAQ,IAAI,IAAIiB,EAAE,mBAAmBD,SAASA,QAAQF,EAAE,EAAEA,EAAEF,EAAEW,OAAOT,IAAID,EAAED,EAAEE,IAAI,OAAOD,EAA7b,CAA4c,CAACW,EAAE,CAAC,SAASR,EAAQf,EAAOD,gBAG71B,IAAIyB,EAAMC,OAAOC,UAAUC,eACvBC,EAAS,IASb,SAASC,KA4BT,SAASC,EAAGC,EAAIC,EAASC,GACvB3B,KAAKyB,GAAKA,EACVzB,KAAK0B,QAAUA,EACf1B,KAAK2B,KAAOA,IAAQ,EActB,SAASC,EAAYC,EAASC,EAAOL,EAAIC,EAASC,GAChD,GAAkB,mBAAPF,EACT,MAAM,IAAIM,UAAU,mCAGtB,IAAIC,EAAW,IAAIR,EAAGC,EAAIC,GAAWG,EAASF,GAC1CM,EAAMX,EAASA,EAASQ,EAAQA,EAMpC,OAJKD,EAAQK,QAAQD,GACXJ,EAAQK,QAAQD,GAAKR,GAC1BI,EAAQK,QAAQD,GAAO,CAACJ,EAAQK,QAAQD,GAAMD,GADhBH,EAAQK,QAAQD,GAAKE,KAAKH,IADlCH,EAAQK,QAAQD,GAAOD,EAAUH,EAAQO,gBAI7DP,EAUT,SAASQ,EAAWR,EAASI,GACI,KAAzBJ,EAAQO,aAAoBP,EAAQK,QAAU,IAAIX,SAC5CM,EAAQK,QAAQD,GAU9B,SAASK,IACPtC,KAAKkC,QAAU,IAAIX,EACnBvB,KAAKoC,aAAe,EAxElBjB,OAAOoB,SACThB,EAAOH,UAAYD,OAAOoB,OAAO,OAM5B,IAAIhB,GAASiB,YAAWlB,GAAS,IA2ExCgB,EAAalB,UAAUqB,WAAa,WAClC,IACIC,EACAC,EAFAC,EAAQ,GAIZ,GAA0B,IAAtB5C,KAAKoC,aAAoB,OAAOQ,EAEpC,IAAKD,KAASD,EAAS1C,KAAKkC,QACtBhB,EAAIH,KAAK2B,EAAQC,IAAOC,EAAMT,KAAKb,EAASqB,EAAKE,MAAM,GAAKF,GAGlE,OAAIxB,OAAO2B,sBACFF,EAAMG,OAAO5B,OAAO2B,sBAAsBJ,IAG5CE,GAUTN,EAAalB,UAAU4B,UAAY,SAAmBlB,GACpD,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCmB,EAAWjD,KAAKkC,QAAQD,GAE5B,IAAKgB,EAAU,MAAO,GACtB,GAAIA,EAASxB,GAAI,MAAO,CAACwB,EAASxB,IAElC,IAAK,IAAIlB,EAAI,EAAG2C,EAAID,EAASjC,OAAQmC,EAAK,IAAIC,MAAMF,GAAI3C,EAAI2C,EAAG3C,IAC7D4C,EAAG5C,GAAK0C,EAAS1C,GAAGkB,GAGtB,OAAO0B,GAUTb,EAAalB,UAAUiC,cAAgB,SAAuBvB,GAC5D,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCkB,EAAYhD,KAAKkC,QAAQD,GAE7B,OAAKe,EACDA,EAAUvB,GAAW,EAClBuB,EAAUhC,OAFM,GAYzBsB,EAAalB,UAAUkC,KAAO,SAAcxB,EAAOyB,EAAIC,EAAIC,EAAIC,EAAIC,GACjE,IAAI1B,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAK9B,KAAKkC,QAAQD,GAAM,OAAO,EAE/B,IAEI2B,EAFAZ,EAAYhD,KAAKkC,QAAQD,GACzB4B,EAAMC,UAAU9C,OAIpB,GAAIgC,EAAUvB,GAAI,CAGhB,OAFIuB,EAAUrB,MAAM3B,KAAK+D,eAAejC,EAAOkB,EAAUvB,QAAIuC,GAAW,GAEhEH,GACN,KAAK,EAAG,OAAOb,EAAUvB,GAAGV,KAAKiC,EAAUtB,UAAU,EACrD,KAAK,EAAG,OAAOsB,EAAUvB,GAAGV,KAAKiC,EAAUtB,QAAS6B,IAAK,EACzD,KAAK,EAAG,OAAOP,EAAUvB,GAAGV,KAAKiC,EAAUtB,QAAS6B,EAAIC,IAAK,EAC7D,KAAK,EAAG,OAAOR,EAAUvB,GAAGV,KAAKiC,EAAUtB,QAAS6B,EAAIC,EAAIC,IAAK,EACjE,KAAK,EAAG,OAAOT,EAAUvB,GAAGV,KAAKiC,EAAUtB,QAAS6B,EAAIC,EAAIC,EAAIC,IAAK,EACrE,KAAK,EAAG,OAAOV,EAAUvB,GAAGV,KAAKiC,EAAUtB,QAAS6B,EAAIC,EAAIC,EAAIC,EAAIC,IAAK,EAG3E,IAAKpD,EAAI,EAAGqD,EAAO,IAAIR,MAAMS,EAAK,GAAItD,EAAIsD,EAAKtD,IAC7CqD,EAAKrD,EAAI,GAAKuD,UAAUvD,GAG1ByC,EAAUvB,GAAGwC,MAAMjB,EAAUtB,QAASkC,QAKtC,IAHA,IACIM,EADAlD,EAASgC,EAAUhC,OAGlBT,EAAI,EAAGA,EAAIS,EAAQT,IAGtB,OAFIyC,EAAUzC,GAAGoB,MAAM3B,KAAK+D,eAAejC,EAAOkB,EAAUzC,GAAGkB,QAAIuC,GAAW,GAEtEH,GACN,KAAK,EAAGb,EAAUzC,GAAGkB,GAAGV,KAAKiC,EAAUzC,GAAGmB,SAAU,MACpD,KAAK,EAAGsB,EAAUzC,GAAGkB,GAAGV,KAAKiC,EAAUzC,GAAGmB,QAAS6B,GAAK,MACxD,KAAK,EAAGP,EAAUzC,GAAGkB,GAAGV,KAAKiC,EAAUzC,GAAGmB,QAAS6B,EAAIC,GAAK,MAC5D,KAAK,EAAGR,EAAUzC,GAAGkB,GAAGV,KAAKiC,EAAUzC,GAAGmB,QAAS6B,EAAIC,EAAIC,GAAK,MAChE,QACE,IAAKG,EAAM,IAAKM,EAAI,EAAGN,EAAO,IAAIR,MAAMS,EAAK,GAAIK,EAAIL,EAAKK,IACxDN,EAAKM,EAAI,GAAKJ,UAAUI,GAG1BlB,EAAUzC,GAAGkB,GAAGwC,MAAMjB,EAAUzC,GAAGmB,QAASkC,GAKpD,OAAO,GAYTtB,EAAalB,UAAU+C,GAAK,SAAYrC,EAAOL,EAAIC,GACjD,OAAOE,EAAY5B,KAAM8B,EAAOL,EAAIC,GAAS,IAY/CY,EAAalB,UAAUO,KAAO,SAAcG,EAAOL,EAAIC,GACrD,OAAOE,EAAY5B,KAAM8B,EAAOL,EAAIC,GAAS,IAa/CY,EAAalB,UAAU2C,eAAiB,SAAwBjC,EAAOL,EAAIC,EAASC,GAClF,IAAIM,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAK9B,KAAKkC,QAAQD,GAAM,OAAOjC,KAC/B,IAAKyB,EAEH,OADAY,EAAWrC,KAAMiC,GACVjC,KAGT,IAAIgD,EAAYhD,KAAKkC,QAAQD,GAE7B,GAAIe,EAAUvB,GAEVuB,EAAUvB,KAAOA,GACfE,IAAQqB,EAAUrB,MAClBD,GAAWsB,EAAUtB,UAAYA,GAEnCW,EAAWrC,KAAMiC,OAEd,CACL,IAAK,IAAI1B,EAAI,EAAGmC,EAAS,GAAI1B,EAASgC,EAAUhC,OAAQ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diff --git a/web/public/node_modules/follow-redirects/LICENSE b/web/public/node_modules/follow-redirects/LICENSE
new file mode 100644
index 000000000..742cbada5
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/LICENSE
@@ -0,0 +1,18 @@
+Copyright 2014–present Olivier Lalonde <olalonde@gmail.com>, James Talmage <james@talmage.io>, Ruben Verborgh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/follow-redirects/README.md b/web/public/node_modules/follow-redirects/README.md
new file mode 100644
index 000000000..eb869a6f0
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/README.md
@@ -0,0 +1,155 @@
+## Follow Redirects
+
+Drop-in replacement for Node's `http` and `https` modules that automatically follows redirects.
+
+[![npm version](https://img.shields.io/npm/v/follow-redirects.svg)](https://www.npmjs.com/package/follow-redirects)
+[![Build Status](https://github.com/follow-redirects/follow-redirects/workflows/CI/badge.svg)](https://github.com/follow-redirects/follow-redirects/actions)
+[![Coverage Status](https://coveralls.io/repos/follow-redirects/follow-redirects/badge.svg?branch=master)](https://coveralls.io/r/follow-redirects/follow-redirects?branch=master)
+[![npm downloads](https://img.shields.io/npm/dm/follow-redirects.svg)](https://www.npmjs.com/package/follow-redirects)
+[![Sponsor on GitHub](https://img.shields.io/static/v1?label=Sponsor&message=%F0%9F%92%96&logo=GitHub)](https://github.com/sponsors/RubenVerborgh)
+
+`follow-redirects` provides [request](https://nodejs.org/api/http.html#http_http_request_options_callback) and [get](https://nodejs.org/api/http.html#http_http_get_options_callback)
+ methods that behave identically to those found on the native [http](https://nodejs.org/api/http.html#http_http_request_options_callback) and [https](https://nodejs.org/api/https.html#https_https_request_options_callback)
+ modules, with the exception that they will seamlessly follow redirects.
+
+```javascript
+const { http, https } = require('follow-redirects');
+
+http.get('http://bit.ly/900913', response => {
+  response.on('data', chunk => {
+    console.log(chunk);
+  });
+}).on('error', err => {
+  console.error(err);
+});
+```
+
+You can inspect the final redirected URL through the `responseUrl` property on the `response`.
+If no redirection happened, `responseUrl` is the original request URL.
+
+```javascript
+const request = https.request({
+  host: 'bitly.com',
+  path: '/UHfDGO',
+}, response => {
+  console.log(response.responseUrl);
+  // 'http://duckduckgo.com/robots.txt'
+});
+request.end();
+```
+
+## Options
+### Global options
+Global options are set directly on the `follow-redirects` module:
+
+```javascript
+const followRedirects = require('follow-redirects');
+followRedirects.maxRedirects = 10;
+followRedirects.maxBodyLength = 20 * 1024 * 1024; // 20 MB
+```
+
+The following global options are supported:
+
+- `maxRedirects` (default: `21`) – sets the maximum number of allowed redirects; if exceeded, an error will be emitted.
+
+- `maxBodyLength` (default: 10MB) – sets the maximum size of the request body; if exceeded, an error will be emitted.
+
+### Per-request options
+Per-request options are set by passing an `options` object:
+
+```javascript
+const url = require('url');
+const { http, https } = require('follow-redirects');
+
+const options = url.parse('http://bit.ly/900913');
+options.maxRedirects = 10;
+options.beforeRedirect = (options, response, request) => {
+  // Use this to adjust the request options upon redirecting,
+  // to inspect the latest response headers,
+  // or to cancel the request by throwing an error
+
+  // response.headers = the redirect response headers
+  // response.statusCode = the redirect response code (eg. 301, 307, etc.)
+
+  // request.url = the requested URL that resulted in a redirect
+  // request.headers = the headers in the request that resulted in a redirect
+  // request.method = the method of the request that resulted in a redirect
+  if (options.hostname === "example.com") {
+    options.auth = "user:password";
+  }
+};
+http.request(options);
+```
+
+In addition to the [standard HTTP](https://nodejs.org/api/http.html#http_http_request_options_callback) and [HTTPS options](https://nodejs.org/api/https.html#https_https_request_options_callback),
+the following per-request options are supported:
+- `followRedirects` (default: `true`) – whether redirects should be followed.
+
+- `maxRedirects` (default: `21`) – sets the maximum number of allowed redirects; if exceeded, an error will be emitted.
+
+- `maxBodyLength` (default: 10MB) – sets the maximum size of the request body; if exceeded, an error will be emitted.
+
+- `beforeRedirect` (default: `undefined`) – optionally change the request `options` on redirects, or abort the request by throwing an error.
+
+- `agents` (default: `undefined`) – sets the `agent` option per protocol, since HTTP and HTTPS use different agents. Example value: `{ http: new http.Agent(), https: new https.Agent() }`
+
+- `trackRedirects` (default: `false`) – whether to store the redirected response details into the `redirects` array on the response object.
+
+
+### Advanced usage
+By default, `follow-redirects` will use the Node.js default implementations
+of [`http`](https://nodejs.org/api/http.html)
+and [`https`](https://nodejs.org/api/https.html).
+To enable features such as caching and/or intermediate request tracking,
+you might instead want to wrap `follow-redirects` around custom protocol implementations:
+
+```javascript
+const { http, https } = require('follow-redirects').wrap({
+  http: require('your-custom-http'),
+  https: require('your-custom-https'),
+});
+```
+
+Such custom protocols only need an implementation of the `request` method.
+
+## Browser Usage
+
+Due to the way the browser works,
+the `http` and `https` browser equivalents perform redirects by default.
+
+By requiring `follow-redirects` this way:
+```javascript
+const http = require('follow-redirects/http');
+const https = require('follow-redirects/https');
+```
+you can easily tell webpack and friends to replace
+`follow-redirect` by the built-in versions:
+
+```json
+{
+  "follow-redirects/http"  : "http",
+  "follow-redirects/https" : "https"
+}
+```
+
+## Contributing
+
+Pull Requests are always welcome. Please [file an issue](https://github.com/follow-redirects/follow-redirects/issues)
+ detailing your proposal before you invest your valuable time. Additional features and bug fixes should be accompanied
+ by tests. You can run the test suite locally with a simple `npm test` command.
+
+## Debug Logging
+
+`follow-redirects` uses the excellent [debug](https://www.npmjs.com/package/debug) for logging. To turn on logging
+ set the environment variable `DEBUG=follow-redirects` for debug output from just this module. When running the test
+ suite it is sometimes advantageous to set `DEBUG=*` to see output from the express server as well.
+
+## Authors
+
+- [Ruben Verborgh](https://ruben.verborgh.org/)
+- [Olivier Lalonde](mailto:olalonde@gmail.com)
+- [James Talmage](mailto:james@talmage.io)
+
+## License
+
+[MIT License](https://github.com/follow-redirects/follow-redirects/blob/master/LICENSE)
diff --git a/web/public/node_modules/follow-redirects/debug.js b/web/public/node_modules/follow-redirects/debug.js
new file mode 100644
index 000000000..decb77ded
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/debug.js
@@ -0,0 +1,15 @@
+var debug;
+
+module.exports = function () {
+  if (!debug) {
+    try {
+      /* eslint global-require: off */
+      debug = require("debug")("follow-redirects");
+    }
+    catch (error) { /* */ }
+    if (typeof debug !== "function") {
+      debug = function () { /* */ };
+    }
+  }
+  debug.apply(null, arguments);
+};
diff --git a/web/public/node_modules/follow-redirects/http.js b/web/public/node_modules/follow-redirects/http.js
new file mode 100644
index 000000000..695e35617
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/http.js
@@ -0,0 +1 @@
+module.exports = require("./").http;
diff --git a/web/public/node_modules/follow-redirects/https.js b/web/public/node_modules/follow-redirects/https.js
new file mode 100644
index 000000000..d21c921d9
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/https.js
@@ -0,0 +1 @@
+module.exports = require("./").https;
diff --git a/web/public/node_modules/follow-redirects/index.js b/web/public/node_modules/follow-redirects/index.js
new file mode 100644
index 000000000..c649cab44
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/index.js
@@ -0,0 +1,672 @@
+var url = require("url");
+var URL = url.URL;
+var http = require("http");
+var https = require("https");
+var Writable = require("stream").Writable;
+var assert = require("assert");
+var debug = require("./debug");
+
+// Whether to use the native URL object or the legacy url module
+var useNativeURL = false;
+try {
+  assert(new URL());
+}
+catch (error) {
+  useNativeURL = error.code === "ERR_INVALID_URL";
+}
+
+// URL fields to preserve in copy operations
+var preservedUrlFields = [
+  "auth",
+  "host",
+  "hostname",
+  "href",
+  "path",
+  "pathname",
+  "port",
+  "protocol",
+  "query",
+  "search",
+  "hash",
+];
+
+// Create handlers that pass events from native requests
+var events = ["abort", "aborted", "connect", "error", "socket", "timeout"];
+var eventHandlers = Object.create(null);
+events.forEach(function (event) {
+  eventHandlers[event] = function (arg1, arg2, arg3) {
+    this._redirectable.emit(event, arg1, arg2, arg3);
+  };
+});
+
+// Error types with codes
+var InvalidUrlError = createErrorType(
+  "ERR_INVALID_URL",
+  "Invalid URL",
+  TypeError
+);
+var RedirectionError = createErrorType(
+  "ERR_FR_REDIRECTION_FAILURE",
+  "Redirected request failed"
+);
+var TooManyRedirectsError = createErrorType(
+  "ERR_FR_TOO_MANY_REDIRECTS",
+  "Maximum number of redirects exceeded",
+  RedirectionError
+);
+var MaxBodyLengthExceededError = createErrorType(
+  "ERR_FR_MAX_BODY_LENGTH_EXCEEDED",
+  "Request body larger than maxBodyLength limit"
+);
+var WriteAfterEndError = createErrorType(
+  "ERR_STREAM_WRITE_AFTER_END",
+  "write after end"
+);
+
+// istanbul ignore next
+var destroy = Writable.prototype.destroy || noop;
+
+// An HTTP(S) request that can be redirected
+function RedirectableRequest(options, responseCallback) {
+  // Initialize the request
+  Writable.call(this);
+  this._sanitizeOptions(options);
+  this._options = options;
+  this._ended = false;
+  this._ending = false;
+  this._redirectCount = 0;
+  this._redirects = [];
+  this._requestBodyLength = 0;
+  this._requestBodyBuffers = [];
+
+  // Attach a callback if passed
+  if (responseCallback) {
+    this.on("response", responseCallback);
+  }
+
+  // React to responses of native requests
+  var self = this;
+  this._onNativeResponse = function (response) {
+    try {
+      self._processResponse(response);
+    }
+    catch (cause) {
+      self.emit("error", cause instanceof RedirectionError ?
+        cause : new RedirectionError({ cause: cause }));
+    }
+  };
+
+  // Perform the first request
+  this._performRequest();
+}
+RedirectableRequest.prototype = Object.create(Writable.prototype);
+
+RedirectableRequest.prototype.abort = function () {
+  destroyRequest(this._currentRequest);
+  this._currentRequest.abort();
+  this.emit("abort");
+};
+
+RedirectableRequest.prototype.destroy = function (error) {
+  destroyRequest(this._currentRequest, error);
+  destroy.call(this, error);
+  return this;
+};
+
+// Writes buffered data to the current native request
+RedirectableRequest.prototype.write = function (data, encoding, callback) {
+  // Writing is not allowed if end has been called
+  if (this._ending) {
+    throw new WriteAfterEndError();
+  }
+
+  // Validate input and shift parameters if necessary
+  if (!isString(data) && !isBuffer(data)) {
+    throw new TypeError("data should be a string, Buffer or Uint8Array");
+  }
+  if (isFunction(encoding)) {
+    callback = encoding;
+    encoding = null;
+  }
+
+  // Ignore empty buffers, since writing them doesn't invoke the callback
+  // https://github.com/nodejs/node/issues/22066
+  if (data.length === 0) {
+    if (callback) {
+      callback();
+    }
+    return;
+  }
+  // Only write when we don't exceed the maximum body length
+  if (this._requestBodyLength + data.length <= this._options.maxBodyLength) {
+    this._requestBodyLength += data.length;
+    this._requestBodyBuffers.push({ data: data, encoding: encoding });
+    this._currentRequest.write(data, encoding, callback);
+  }
+  // Error when we exceed the maximum body length
+  else {
+    this.emit("error", new MaxBodyLengthExceededError());
+    this.abort();
+  }
+};
+
+// Ends the current native request
+RedirectableRequest.prototype.end = function (data, encoding, callback) {
+  // Shift parameters if necessary
+  if (isFunction(data)) {
+    callback = data;
+    data = encoding = null;
+  }
+  else if (isFunction(encoding)) {
+    callback = encoding;
+    encoding = null;
+  }
+
+  // Write data if needed and end
+  if (!data) {
+    this._ended = this._ending = true;
+    this._currentRequest.end(null, null, callback);
+  }
+  else {
+    var self = this;
+    var currentRequest = this._currentRequest;
+    this.write(data, encoding, function () {
+      self._ended = true;
+      currentRequest.end(null, null, callback);
+    });
+    this._ending = true;
+  }
+};
+
+// Sets a header value on the current native request
+RedirectableRequest.prototype.setHeader = function (name, value) {
+  this._options.headers[name] = value;
+  this._currentRequest.setHeader(name, value);
+};
+
+// Clears a header value on the current native request
+RedirectableRequest.prototype.removeHeader = function (name) {
+  delete this._options.headers[name];
+  this._currentRequest.removeHeader(name);
+};
+
+// Global timeout for all underlying requests
+RedirectableRequest.prototype.setTimeout = function (msecs, callback) {
+  var self = this;
+
+  // Destroys the socket on timeout
+  function destroyOnTimeout(socket) {
+    socket.setTimeout(msecs);
+    socket.removeListener("timeout", socket.destroy);
+    socket.addListener("timeout", socket.destroy);
+  }
+
+  // Sets up a timer to trigger a timeout event
+  function startTimer(socket) {
+    if (self._timeout) {
+      clearTimeout(self._timeout);
+    }
+    self._timeout = setTimeout(function () {
+      self.emit("timeout");
+      clearTimer();
+    }, msecs);
+    destroyOnTimeout(socket);
+  }
+
+  // Stops a timeout from triggering
+  function clearTimer() {
+    // Clear the timeout
+    if (self._timeout) {
+      clearTimeout(self._timeout);
+      self._timeout = null;
+    }
+
+    // Clean up all attached listeners
+    self.removeListener("abort", clearTimer);
+    self.removeListener("error", clearTimer);
+    self.removeListener("response", clearTimer);
+    self.removeListener("close", clearTimer);
+    if (callback) {
+      self.removeListener("timeout", callback);
+    }
+    if (!self.socket) {
+      self._currentRequest.removeListener("socket", startTimer);
+    }
+  }
+
+  // Attach callback if passed
+  if (callback) {
+    this.on("timeout", callback);
+  }
+
+  // Start the timer if or when the socket is opened
+  if (this.socket) {
+    startTimer(this.socket);
+  }
+  else {
+    this._currentRequest.once("socket", startTimer);
+  }
+
+  // Clean up on events
+  this.on("socket", destroyOnTimeout);
+  this.on("abort", clearTimer);
+  this.on("error", clearTimer);
+  this.on("response", clearTimer);
+  this.on("close", clearTimer);
+
+  return this;
+};
+
+// Proxy all other public ClientRequest methods
+[
+  "flushHeaders", "getHeader",
+  "setNoDelay", "setSocketKeepAlive",
+].forEach(function (method) {
+  RedirectableRequest.prototype[method] = function (a, b) {
+    return this._currentRequest[method](a, b);
+  };
+});
+
+// Proxy all public ClientRequest properties
+["aborted", "connection", "socket"].forEach(function (property) {
+  Object.defineProperty(RedirectableRequest.prototype, property, {
+    get: function () { return this._currentRequest[property]; },
+  });
+});
+
+RedirectableRequest.prototype._sanitizeOptions = function (options) {
+  // Ensure headers are always present
+  if (!options.headers) {
+    options.headers = {};
+  }
+
+  // Since http.request treats host as an alias of hostname,
+  // but the url module interprets host as hostname plus port,
+  // eliminate the host property to avoid confusion.
+  if (options.host) {
+    // Use hostname if set, because it has precedence
+    if (!options.hostname) {
+      options.hostname = options.host;
+    }
+    delete options.host;
+  }
+
+  // Complete the URL object when necessary
+  if (!options.pathname && options.path) {
+    var searchPos = options.path.indexOf("?");
+    if (searchPos < 0) {
+      options.pathname = options.path;
+    }
+    else {
+      options.pathname = options.path.substring(0, searchPos);
+      options.search = options.path.substring(searchPos);
+    }
+  }
+};
+
+
+// Executes the next native request (initial or redirect)
+RedirectableRequest.prototype._performRequest = function () {
+  // Load the native protocol
+  var protocol = this._options.protocol;
+  var nativeProtocol = this._options.nativeProtocols[protocol];
+  if (!nativeProtocol) {
+    throw new TypeError("Unsupported protocol " + protocol);
+  }
+
+  // If specified, use the agent corresponding to the protocol
+  // (HTTP and HTTPS use different types of agents)
+  if (this._options.agents) {
+    var scheme = protocol.slice(0, -1);
+    this._options.agent = this._options.agents[scheme];
+  }
+
+  // Create the native request and set up its event handlers
+  var request = this._currentRequest =
+        nativeProtocol.request(this._options, this._onNativeResponse);
+  request._redirectable = this;
+  for (var event of events) {
+    request.on(event, eventHandlers[event]);
+  }
+
+  // RFC7230§5.3.1: When making a request directly to an origin server, […]
+  // a client MUST send only the absolute path […] as the request-target.
+  this._currentUrl = /^\//.test(this._options.path) ?
+    url.format(this._options) :
+    // When making a request to a proxy, […]
+    // a client MUST send the target URI in absolute-form […].
+    this._options.path;
+
+  // End a redirected request
+  // (The first request must be ended explicitly with RedirectableRequest#end)
+  if (this._isRedirect) {
+    // Write the request entity and end
+    var i = 0;
+    var self = this;
+    var buffers = this._requestBodyBuffers;
+    (function writeNext(error) {
+      // Only write if this request has not been redirected yet
+      /* istanbul ignore else */
+      if (request === self._currentRequest) {
+        // Report any write errors
+        /* istanbul ignore if */
+        if (error) {
+          self.emit("error", error);
+        }
+        // Write the next buffer if there are still left
+        else if (i < buffers.length) {
+          var buffer = buffers[i++];
+          /* istanbul ignore else */
+          if (!request.finished) {
+            request.write(buffer.data, buffer.encoding, writeNext);
+          }
+        }
+        // End the request if `end` has been called on us
+        else if (self._ended) {
+          request.end();
+        }
+      }
+    }());
+  }
+};
+
+// Processes a response from the current native request
+RedirectableRequest.prototype._processResponse = function (response) {
+  // Store the redirected response
+  var statusCode = response.statusCode;
+  if (this._options.trackRedirects) {
+    this._redirects.push({
+      url: this._currentUrl,
+      headers: response.headers,
+      statusCode: statusCode,
+    });
+  }
+
+  // RFC7231§6.4: The 3xx (Redirection) class of status code indicates
+  // that further action needs to be taken by the user agent in order to
+  // fulfill the request. If a Location header field is provided,
+  // the user agent MAY automatically redirect its request to the URI
+  // referenced by the Location field value,
+  // even if the specific status code is not understood.
+
+  // If the response is not a redirect; return it as-is
+  var location = response.headers.location;
+  if (!location || this._options.followRedirects === false ||
+      statusCode < 300 || statusCode >= 400) {
+    response.responseUrl = this._currentUrl;
+    response.redirects = this._redirects;
+    this.emit("response", response);
+
+    // Clean up
+    this._requestBodyBuffers = [];
+    return;
+  }
+
+  // The response is a redirect, so abort the current request
+  destroyRequest(this._currentRequest);
+  // Discard the remainder of the response to avoid waiting for data
+  response.destroy();
+
+  // RFC7231§6.4: A client SHOULD detect and intervene
+  // in cyclical redirections (i.e., "infinite" redirection loops).
+  if (++this._redirectCount > this._options.maxRedirects) {
+    throw new TooManyRedirectsError();
+  }
+
+  // Store the request headers if applicable
+  var requestHeaders;
+  var beforeRedirect = this._options.beforeRedirect;
+  if (beforeRedirect) {
+    requestHeaders = Object.assign({
+      // The Host header was set by nativeProtocol.request
+      Host: response.req.getHeader("host"),
+    }, this._options.headers);
+  }
+
+  // RFC7231§6.4: Automatic redirection needs to done with
+  // care for methods not known to be safe, […]
+  // RFC7231§6.4.2–3: For historical reasons, a user agent MAY change
+  // the request method from POST to GET for the subsequent request.
+  var method = this._options.method;
+  if ((statusCode === 301 || statusCode === 302) && this._options.method === "POST" ||
+      // RFC7231§6.4.4: The 303 (See Other) status code indicates that
+      // the server is redirecting the user agent to a different resource […]
+      // A user agent can perform a retrieval request targeting that URI
+      // (a GET or HEAD request if using HTTP) […]
+      (statusCode === 303) && !/^(?:GET|HEAD)$/.test(this._options.method)) {
+    this._options.method = "GET";
+    // Drop a possible entity and headers related to it
+    this._requestBodyBuffers = [];
+    removeMatchingHeaders(/^content-/i, this._options.headers);
+  }
+
+  // Drop the Host header, as the redirect might lead to a different host
+  var currentHostHeader = removeMatchingHeaders(/^host$/i, this._options.headers);
+
+  // If the redirect is relative, carry over the host of the last request
+  var currentUrlParts = parseUrl(this._currentUrl);
+  var currentHost = currentHostHeader || currentUrlParts.host;
+  var currentUrl = /^\w+:/.test(location) ? this._currentUrl :
+    url.format(Object.assign(currentUrlParts, { host: currentHost }));
+
+  // Create the redirected request
+  var redirectUrl = resolveUrl(location, currentUrl);
+  debug("redirecting to", redirectUrl.href);
+  this._isRedirect = true;
+  spreadUrlObject(redirectUrl, this._options);
+
+  // Drop confidential headers when redirecting to a less secure protocol
+  // or to a different domain that is not a superdomain
+  if (redirectUrl.protocol !== currentUrlParts.protocol &&
+     redirectUrl.protocol !== "https:" ||
+     redirectUrl.host !== currentHost &&
+     !isSubdomain(redirectUrl.host, currentHost)) {
+    removeMatchingHeaders(/^(?:(?:proxy-)?authorization|cookie)$/i, this._options.headers);
+  }
+
+  // Evaluate the beforeRedirect callback
+  if (isFunction(beforeRedirect)) {
+    var responseDetails = {
+      headers: response.headers,
+      statusCode: statusCode,
+    };
+    var requestDetails = {
+      url: currentUrl,
+      method: method,
+      headers: requestHeaders,
+    };
+    beforeRedirect(this._options, responseDetails, requestDetails);
+    this._sanitizeOptions(this._options);
+  }
+
+  // Perform the redirected request
+  this._performRequest();
+};
+
+// Wraps the key/value object of protocols with redirect functionality
+function wrap(protocols) {
+  // Default settings
+  var exports = {
+    maxRedirects: 21,
+    maxBodyLength: 10 * 1024 * 1024,
+  };
+
+  // Wrap each protocol
+  var nativeProtocols = {};
+  Object.keys(protocols).forEach(function (scheme) {
+    var protocol = scheme + ":";
+    var nativeProtocol = nativeProtocols[protocol] = protocols[scheme];
+    var wrappedProtocol = exports[scheme] = Object.create(nativeProtocol);
+
+    // Executes a request, following redirects
+    function request(input, options, callback) {
+      // Parse parameters, ensuring that input is an object
+      if (isURL(input)) {
+        input = spreadUrlObject(input);
+      }
+      else if (isString(input)) {
+        input = spreadUrlObject(parseUrl(input));
+      }
+      else {
+        callback = options;
+        options = validateUrl(input);
+        input = { protocol: protocol };
+      }
+      if (isFunction(options)) {
+        callback = options;
+        options = null;
+      }
+
+      // Set defaults
+      options = Object.assign({
+        maxRedirects: exports.maxRedirects,
+        maxBodyLength: exports.maxBodyLength,
+      }, input, options);
+      options.nativeProtocols = nativeProtocols;
+      if (!isString(options.host) && !isString(options.hostname)) {
+        options.hostname = "::1";
+      }
+
+      assert.equal(options.protocol, protocol, "protocol mismatch");
+      debug("options", options);
+      return new RedirectableRequest(options, callback);
+    }
+
+    // Executes a GET request, following redirects
+    function get(input, options, callback) {
+      var wrappedRequest = wrappedProtocol.request(input, options, callback);
+      wrappedRequest.end();
+      return wrappedRequest;
+    }
+
+    // Expose the properties on the wrapped protocol
+    Object.defineProperties(wrappedProtocol, {
+      request: { value: request, configurable: true, enumerable: true, writable: true },
+      get: { value: get, configurable: true, enumerable: true, writable: true },
+    });
+  });
+  return exports;
+}
+
+function noop() { /* empty */ }
+
+function parseUrl(input) {
+  var parsed;
+  /* istanbul ignore else */
+  if (useNativeURL) {
+    parsed = new URL(input);
+  }
+  else {
+    // Ensure the URL is valid and absolute
+    parsed = validateUrl(url.parse(input));
+    if (!isString(parsed.protocol)) {
+      throw new InvalidUrlError({ input });
+    }
+  }
+  return parsed;
+}
+
+function resolveUrl(relative, base) {
+  /* istanbul ignore next */
+  return useNativeURL ? new URL(relative, base) : parseUrl(url.resolve(base, relative));
+}
+
+function validateUrl(input) {
+  if (/^\[/.test(input.hostname) && !/^\[[:0-9a-f]+\]$/i.test(input.hostname)) {
+    throw new InvalidUrlError({ input: input.href || input });
+  }
+  if (/^\[/.test(input.host) && !/^\[[:0-9a-f]+\](:\d+)?$/i.test(input.host)) {
+    throw new InvalidUrlError({ input: input.href || input });
+  }
+  return input;
+}
+
+function spreadUrlObject(urlObject, target) {
+  var spread = target || {};
+  for (var key of preservedUrlFields) {
+    spread[key] = urlObject[key];
+  }
+
+  // Fix IPv6 hostname
+  if (spread.hostname.startsWith("[")) {
+    spread.hostname = spread.hostname.slice(1, -1);
+  }
+  // Ensure port is a number
+  if (spread.port !== "") {
+    spread.port = Number(spread.port);
+  }
+  // Concatenate path
+  spread.path = spread.search ? spread.pathname + spread.search : spread.pathname;
+
+  return spread;
+}
+
+function removeMatchingHeaders(regex, headers) {
+  var lastValue;
+  for (var header in headers) {
+    if (regex.test(header)) {
+      lastValue = headers[header];
+      delete headers[header];
+    }
+  }
+  return (lastValue === null || typeof lastValue === "undefined") ?
+    undefined : String(lastValue).trim();
+}
+
+function createErrorType(code, message, baseClass) {
+  // Create constructor
+  function CustomError(properties) {
+    Error.captureStackTrace(this, this.constructor);
+    Object.assign(this, properties || {});
+    this.code = code;
+    this.message = this.cause ? message + ": " + this.cause.message : message;
+  }
+
+  // Attach constructor and set default properties
+  CustomError.prototype = new (baseClass || Error)();
+  Object.defineProperties(CustomError.prototype, {
+    constructor: {
+      value: CustomError,
+      enumerable: false,
+    },
+    name: {
+      value: "Error [" + code + "]",
+      enumerable: false,
+    },
+  });
+  return CustomError;
+}
+
+function destroyRequest(request, error) {
+  for (var event of events) {
+    request.removeListener(event, eventHandlers[event]);
+  }
+  request.on("error", noop);
+  request.destroy(error);
+}
+
+function isSubdomain(subdomain, domain) {
+  assert(isString(subdomain) && isString(domain));
+  var dot = subdomain.length - domain.length - 1;
+  return dot > 0 && subdomain[dot] === "." && subdomain.endsWith(domain);
+}
+
+function isString(value) {
+  return typeof value === "string" || value instanceof String;
+}
+
+function isFunction(value) {
+  return typeof value === "function";
+}
+
+function isBuffer(value) {
+  return typeof value === "object" && ("length" in value);
+}
+
+function isURL(value) {
+  return URL && value instanceof URL;
+}
+
+// Exports
+module.exports = wrap({ http: http, https: https });
+module.exports.wrap = wrap;
diff --git a/web/public/node_modules/follow-redirects/package.json b/web/public/node_modules/follow-redirects/package.json
new file mode 100644
index 000000000..149943bb5
--- /dev/null
+++ b/web/public/node_modules/follow-redirects/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "follow-redirects",
+  "version": "1.15.6",
+  "description": "HTTP and HTTPS modules that follow redirects.",
+  "license": "MIT",
+  "main": "index.js",
+  "files": [
+    "*.js"
+  ],
+  "engines": {
+    "node": ">=4.0"
+  },
+  "scripts": {
+    "lint": "eslint *.js test",
+    "test": "nyc mocha"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:follow-redirects/follow-redirects.git"
+  },
+  "homepage": "https://github.com/follow-redirects/follow-redirects",
+  "bugs": {
+    "url": "https://github.com/follow-redirects/follow-redirects/issues"
+  },
+  "keywords": [
+    "http",
+    "https",
+    "url",
+    "redirect",
+    "client",
+    "location",
+    "utility"
+  ],
+  "author": "Ruben Verborgh <ruben@verborgh.org> (https://ruben.verborgh.org/)",
+  "contributors": [
+    "Olivier Lalonde <olalonde@gmail.com> (http://www.syskall.com)",
+    "James Talmage <james@talmage.io>"
+  ],
+  "funding": [
+    {
+      "type": "individual",
+      "url": "https://github.com/sponsors/RubenVerborgh"
+    }
+  ],
+  "peerDependenciesMeta": {
+    "debug": {
+      "optional": true
+    }
+  },
+  "devDependencies": {
+    "concat-stream": "^2.0.0",
+    "eslint": "^5.16.0",
+    "express": "^4.16.4",
+    "lolex": "^3.1.0",
+    "mocha": "^6.0.2",
+    "nyc": "^14.1.1"
+  }
+}
diff --git a/web/public/node_modules/function-bind/.eslintrc b/web/public/node_modules/function-bind/.eslintrc
new file mode 100644
index 000000000..71a054fd3
--- /dev/null
+++ b/web/public/node_modules/function-bind/.eslintrc
@@ -0,0 +1,21 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"indent": [2, 4],
+		"no-new-func": [1],
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"max-lines-per-function": 0,
+				"strict": [0]
+			},
+		},
+	],
+}
diff --git a/web/public/node_modules/function-bind/.github/FUNDING.yml b/web/public/node_modules/function-bind/.github/FUNDING.yml
new file mode 100644
index 000000000..744821959
--- /dev/null
+++ b/web/public/node_modules/function-bind/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/function-bind
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/function-bind/.github/SECURITY.md b/web/public/node_modules/function-bind/.github/SECURITY.md
new file mode 100644
index 000000000..82e4285ad
--- /dev/null
+++ b/web/public/node_modules/function-bind/.github/SECURITY.md
@@ -0,0 +1,3 @@
+# Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
diff --git a/web/public/node_modules/function-bind/.nycrc b/web/public/node_modules/function-bind/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/web/public/node_modules/function-bind/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/function-bind/CHANGELOG.md b/web/public/node_modules/function-bind/CHANGELOG.md
new file mode 100644
index 000000000..f9e6cc078
--- /dev/null
+++ b/web/public/node_modules/function-bind/CHANGELOG.md
@@ -0,0 +1,136 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.2](https://github.com/ljharb/function-bind/compare/v1.1.1...v1.1.2) - 2023-10-12
+
+### Merged
+
+- Point to the correct file [`#16`](https://github.com/ljharb/function-bind/pull/16)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`4f8b57c`](https://github.com/ljharb/function-bind/commit/4f8b57c02f2011fe9ae353d5e74e8745f0988af8)
+- [Tests] remove `jscs` [`90eb2ed`](https://github.com/ljharb/function-bind/commit/90eb2edbeefd5b76cd6c3a482ea3454db169b31f)
+- [meta] update `.gitignore` [`53fcdc3`](https://github.com/ljharb/function-bind/commit/53fcdc371cd66634d6e9b71c836a50f437e89fed)
+- [Tests] up to `node` `v11.10`, `v10.15`, `v9.11`, `v8.15`, `v6.16`, `v4.9`; use `nvm install-latest-npm`; run audit script in tests [`1fe8f6e`](https://github.com/ljharb/function-bind/commit/1fe8f6e9aed0dfa8d8b3cdbd00c7f5ea0cd2b36e)
+- [meta] add `auto-changelog` [`1921fcb`](https://github.com/ljharb/function-bind/commit/1921fcb5b416b63ffc4acad051b6aad5722f777d)
+- [Robustness] remove runtime dependency on all builtins except `.apply` [`f743e61`](https://github.com/ljharb/function-bind/commit/f743e61aa6bb2360358c04d4884c9db853d118b7)
+- Docs: enable badges; update wording [`503cb12`](https://github.com/ljharb/function-bind/commit/503cb12d998b5f91822776c73332c7adcd6355dd)
+- [readme] update badges [`290c5db`](https://github.com/ljharb/function-bind/commit/290c5dbbbda7264efaeb886552a374b869a4bb48)
+- [Tests] switch to nyc for coverage [`ea360ba`](https://github.com/ljharb/function-bind/commit/ea360ba907fc2601ed18d01a3827fa2d3533cdf8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`cae5e9e`](https://github.com/ljharb/function-bind/commit/cae5e9e07a5578dc6df26c03ee22851ce05b943c)
+- [meta] add `funding` field; create FUNDING.yml [`c9f4274`](https://github.com/ljharb/function-bind/commit/c9f4274aa80ea3aae9657a3938fdba41a3b04ca6)
+- [Tests] fix eslint errors from #15 [`f69aaa2`](https://github.com/ljharb/function-bind/commit/f69aaa2beb2fdab4415bfb885760a699d0b9c964)
+- [actions] fix permissions [`99a0cd9`](https://github.com/ljharb/function-bind/commit/99a0cd9f3b5bac223a0d572f081834cd73314be7)
+- [meta] use `npmignore` to autogenerate an npmignore file [`f03b524`](https://github.com/ljharb/function-bind/commit/f03b524ca91f75a109a5d062f029122c86ecd1ae)
+- [Dev Deps] update `@ljharb/eslint‑config`, `eslint`, `tape` [`7af9300`](https://github.com/ljharb/function-bind/commit/7af930023ae2ce7645489532821e4fbbcd7a2280)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `covert`, `tape` [`64a9127`](https://github.com/ljharb/function-bind/commit/64a9127ab0bd331b93d6572eaf6e9971967fc08c)
+- [Tests] use `aud` instead of `npm audit` [`e75069c`](https://github.com/ljharb/function-bind/commit/e75069c50010a8fcce2a9ce2324934c35fdb4386)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`d03555c`](https://github.com/ljharb/function-bind/commit/d03555ca59dea3b71ce710045e4303b9e2619e28)
+- [meta] add `safe-publish-latest` [`9c8f809`](https://github.com/ljharb/function-bind/commit/9c8f8092aed027d7e80c94f517aa892385b64f09)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`baf6893`](https://github.com/ljharb/function-bind/commit/baf6893e27f5b59abe88bc1995e6f6ed1e527397)
+- [meta] create SECURITY.md [`4db1779`](https://github.com/ljharb/function-bind/commit/4db17799f1f28ae294cb95e0081ca2b591c3911b)
+- [Tests] add `npm run audit` [`c8b38ec`](https://github.com/ljharb/function-bind/commit/c8b38ec40ed3f85dabdee40ed4148f1748375bc2)
+- Revert "Point to the correct file" [`05cdf0f`](https://github.com/ljharb/function-bind/commit/05cdf0fa205c6a3c5ba40bbedd1dfa9874f915c9)
+
+## [v1.1.1](https://github.com/ljharb/function-bind/compare/v1.1.0...v1.1.1) - 2017-08-28
+
+### Commits
+
+- [Tests] up to `node` `v8`; newer npm breaks on older node; fix scripts [`817f7d2`](https://github.com/ljharb/function-bind/commit/817f7d28470fdbff8ef608d4d565dd4d1430bc5e)
+- [Dev Deps] update `eslint`, `jscs`, `tape`, `@ljharb/eslint-config` [`854288b`](https://github.com/ljharb/function-bind/commit/854288b1b6f5c555f89aceb9eff1152510262084)
+- [Dev Deps] update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`83e639f`](https://github.com/ljharb/function-bind/commit/83e639ff74e6cd6921285bccec22c1bcf72311bd)
+- Only apps should have lockfiles [`5ed97f5`](https://github.com/ljharb/function-bind/commit/5ed97f51235c17774e0832e122abda0f3229c908)
+- Use a SPDX-compliant “license” field. [`5feefea`](https://github.com/ljharb/function-bind/commit/5feefea0dc0193993e83e5df01ded424403a5381)
+
+## [v1.1.0](https://github.com/ljharb/function-bind/compare/v1.0.2...v1.1.0) - 2016-02-14
+
+### Commits
+
+- Update `eslint`, `tape`; use my personal shared `eslint` config [`9c9062a`](https://github.com/ljharb/function-bind/commit/9c9062abbe9dd70b59ea2c3a3c3a81f29b457097)
+- Add `npm run eslint` [`dd96c56`](https://github.com/ljharb/function-bind/commit/dd96c56720034a3c1ffee10b8a59a6f7c53e24ad)
+- [New] return the native `bind` when available. [`82186e0`](https://github.com/ljharb/function-bind/commit/82186e03d73e580f95ff167e03f3582bed90ed72)
+- [Dev Deps] update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`a3dd767`](https://github.com/ljharb/function-bind/commit/a3dd76720c795cb7f4586b0544efabf8aa107b8b)
+- Update `eslint` [`3dae2f7`](https://github.com/ljharb/function-bind/commit/3dae2f7423de30a2d20313ddb1edc19660142fe9)
+- Update `tape`, `covert`, `jscs` [`a181eee`](https://github.com/ljharb/function-bind/commit/a181eee0cfa24eb229c6e843a971f36e060a2f6a)
+- [Tests] up to `node` `v5.6`, `v4.3` [`964929a`](https://github.com/ljharb/function-bind/commit/964929a6a4ddb36fb128de2bcc20af5e4f22e1ed)
+- Test up to `io.js` `v2.1` [`2be7310`](https://github.com/ljharb/function-bind/commit/2be7310f2f74886a7124ca925be411117d41d5ea)
+- Update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`45f3d68`](https://github.com/ljharb/function-bind/commit/45f3d6865c6ca93726abcef54febe009087af101)
+- [Dev Deps] update `tape`, `jscs` [`6e1340d`](https://github.com/ljharb/function-bind/commit/6e1340d94642deaecad3e717825db641af4f8b1f)
+- [Tests] up to `io.js` `v3.3`, `node` `v4.1` [`d9bad2b`](https://github.com/ljharb/function-bind/commit/d9bad2b778b1b3a6dd2876087b88b3acf319f8cc)
+- Update `eslint` [`935590c`](https://github.com/ljharb/function-bind/commit/935590caa024ab356102e4858e8fc315b2ccc446)
+- [Dev Deps] update `jscs`, `eslint`, `@ljharb/eslint-config` [`8c9a1ef`](https://github.com/ljharb/function-bind/commit/8c9a1efd848e5167887aa8501857a0940a480c57)
+- Test on `io.js` `v2.2` [`9a3a38c`](https://github.com/ljharb/function-bind/commit/9a3a38c92013aed6e108666e7bd40969b84ac86e)
+- Run `travis-ci` tests on `iojs` and `node` v0.12; speed up builds; allow 0.8 failures. [`69afc26`](https://github.com/ljharb/function-bind/commit/69afc2617405b147dd2a8d8ae73ca9e9283f18b4)
+- [Dev Deps] Update `tape`, `eslint` [`36c1be0`](https://github.com/ljharb/function-bind/commit/36c1be0ab12b45fe5df6b0fdb01a5d5137fd0115)
+- Update `tape`, `jscs` [`98d8303`](https://github.com/ljharb/function-bind/commit/98d8303cd5ca1c6b8f985469f86b0d44d7d45f6e)
+- Update `jscs` [`9633a4e`](https://github.com/ljharb/function-bind/commit/9633a4e9fbf82051c240855166e468ba8ba0846f)
+- Update `tape`, `jscs` [`c80ef0f`](https://github.com/ljharb/function-bind/commit/c80ef0f46efc9791e76fa50de4414092ac147831)
+- Test up to `io.js` `v3.0` [`7e2c853`](https://github.com/ljharb/function-bind/commit/7e2c8537d52ab9cf5a655755561d8917684c0df4)
+- Test on `io.js` `v2.4` [`5a199a2`](https://github.com/ljharb/function-bind/commit/5a199a27ba46795ba5eaf0845d07d4b8232895c9)
+- Test on `io.js` `v2.3` [`a511b88`](https://github.com/ljharb/function-bind/commit/a511b8896de0bddf3b56862daa416c701f4d0453)
+- Fixing a typo from 822b4e1938db02dc9584aa434fd3a45cb20caf43 [`732d6b6`](https://github.com/ljharb/function-bind/commit/732d6b63a9b33b45230e630dbcac7a10855d3266)
+- Update `jscs` [`da52a48`](https://github.com/ljharb/function-bind/commit/da52a4886c06d6490f46ae30b15e4163ba08905d)
+- Lock covert to v1.0.0. [`d6150fd`](https://github.com/ljharb/function-bind/commit/d6150fda1e6f486718ebdeff823333d9e48e7430)
+
+## [v1.0.2](https://github.com/ljharb/function-bind/compare/v1.0.1...v1.0.2) - 2014-10-04
+
+## [v1.0.1](https://github.com/ljharb/function-bind/compare/v1.0.0...v1.0.1) - 2014-10-03
+
+### Merged
+
+- make CI build faster [`#3`](https://github.com/ljharb/function-bind/pull/3)
+
+### Commits
+
+- Using my standard jscs.json [`d8ee94c`](https://github.com/ljharb/function-bind/commit/d8ee94c993eff0a84cf5744fe6a29627f5cffa1a)
+- Adding `npm run lint` [`7571ab7`](https://github.com/ljharb/function-bind/commit/7571ab7dfdbd99b25a1dbb2d232622bd6f4f9c10)
+- Using consistent indentation [`e91a1b1`](https://github.com/ljharb/function-bind/commit/e91a1b13a61e99ec1e530e299b55508f74218a95)
+- Updating jscs [`7e17892`](https://github.com/ljharb/function-bind/commit/7e1789284bc629bc9c1547a61c9b227bbd8c7a65)
+- Using consistent quotes [`c50b57f`](https://github.com/ljharb/function-bind/commit/c50b57fcd1c5ec38320979c837006069ebe02b77)
+- Adding keywords [`cb94631`](https://github.com/ljharb/function-bind/commit/cb946314eed35f21186a25fb42fc118772f9ee00)
+- Directly export a function expression instead of using a declaration, and relying on hoisting. [`5a33c5f`](https://github.com/ljharb/function-bind/commit/5a33c5f45642de180e0d207110bf7d1843ceb87c)
+- Naming npm URL and badge in README; use SVG [`2aef8fc`](https://github.com/ljharb/function-bind/commit/2aef8fcb79d54e63a58ae557c4e60949e05d5e16)
+- Naming deps URLs in README [`04228d7`](https://github.com/ljharb/function-bind/commit/04228d766670ee45ca24e98345c1f6a7621065b5)
+- Naming travis-ci URLs in README; using SVG [`62c810c`](https://github.com/ljharb/function-bind/commit/62c810c2f54ced956cd4d4ab7b793055addfe36e)
+- Make sure functions are invoked correctly (also passing coverage tests) [`2b289b4`](https://github.com/ljharb/function-bind/commit/2b289b4dfbf037ffcfa4dc95eb540f6165e9e43a)
+- Removing the strict mode pragmas; they make tests fail. [`1aa701d`](https://github.com/ljharb/function-bind/commit/1aa701d199ddc3782476e8f7eef82679be97b845)
+- Adding myself as a contributor [`85fd57b`](https://github.com/ljharb/function-bind/commit/85fd57b0860e5a7af42de9a287f3f265fc6d72fc)
+- Adding strict mode pragmas [`915b08e`](https://github.com/ljharb/function-bind/commit/915b08e084c86a722eafe7245e21db74aa21ca4c)
+- Adding devDeps URLs to README [`4ccc731`](https://github.com/ljharb/function-bind/commit/4ccc73112c1769859e4ca3076caf4086b3cba2cd)
+- Fixing the description. [`a7a472c`](https://github.com/ljharb/function-bind/commit/a7a472cf649af515c635cf560fc478fbe48999c8)
+- Using a function expression instead of a function declaration. [`b5d3e4e`](https://github.com/ljharb/function-bind/commit/b5d3e4ea6aaffc63888953eeb1fbc7ff45f1fa14)
+- Updating tape [`f086be6`](https://github.com/ljharb/function-bind/commit/f086be6029fb56dde61a258c1340600fa174d1e0)
+- Updating jscs [`5f9bdb3`](https://github.com/ljharb/function-bind/commit/5f9bdb375ab13ba48f30852aab94029520c54d71)
+- Updating jscs [`9b409ba`](https://github.com/ljharb/function-bind/commit/9b409ba6118e23395a4e5d83ef39152aab9d3bfc)
+- Run coverage as part of tests. [`8e1b6d4`](https://github.com/ljharb/function-bind/commit/8e1b6d459f047d1bd4fee814e01247c984c80bd0)
+- Run linter as part of tests [`c1ca83f`](https://github.com/ljharb/function-bind/commit/c1ca83f832df94587d09e621beba682fabfaa987)
+- Updating covert [`701e837`](https://github.com/ljharb/function-bind/commit/701e83774b57b4d3ef631e1948143f43a72f4bb9)
+
+## [v1.0.0](https://github.com/ljharb/function-bind/compare/v0.2.0...v1.0.0) - 2014-08-09
+
+### Commits
+
+- Make sure old and unstable nodes don't fail Travis [`27adca3`](https://github.com/ljharb/function-bind/commit/27adca34a4ab6ad67b6dfde43942a1b103ce4d75)
+- Fixing an issue when the bound function is called as a constructor in ES3. [`e20122d`](https://github.com/ljharb/function-bind/commit/e20122d267d92ce553859b280cbbea5d27c07731)
+- Adding `npm run coverage` [`a2e29c4`](https://github.com/ljharb/function-bind/commit/a2e29c4ecaef9e2f6cd1603e868c139073375502)
+- Updating tape [`b741168`](https://github.com/ljharb/function-bind/commit/b741168b12b235b1717ff696087645526b69213c)
+- Upgrading tape [`63631a0`](https://github.com/ljharb/function-bind/commit/63631a04c7fbe97cc2fa61829cc27246d6986f74)
+- Updating tape [`363cb46`](https://github.com/ljharb/function-bind/commit/363cb46dafb23cb3e347729a22f9448051d78464)
+
+## v0.2.0 - 2014-03-23
+
+### Commits
+
+- Updating test coverage to match es5-shim. [`aa94d44`](https://github.com/ljharb/function-bind/commit/aa94d44b8f9d7f69f10e060db7709aa7a694e5d4)
+- initial [`942ee07`](https://github.com/ljharb/function-bind/commit/942ee07e94e542d91798137bc4b80b926137e066)
+- Setting the bound function's length properly. [`079f46a`](https://github.com/ljharb/function-bind/commit/079f46a2d3515b7c0b308c2c13fceb641f97ca25)
+- Ensuring that some older browsers will throw when given a regex. [`36ac55b`](https://github.com/ljharb/function-bind/commit/36ac55b87f460d4330253c92870aa26fbfe8227f)
+- Removing npm scripts that don't have dependencies [`9d2be60`](https://github.com/ljharb/function-bind/commit/9d2be600002cb8bc8606f8f3585ad3e05868c750)
+- Updating tape [`297a4ac`](https://github.com/ljharb/function-bind/commit/297a4acc5464db381940aafb194d1c88f4e678f3)
+- Skipping length tests for now. [`d9891ea`](https://github.com/ljharb/function-bind/commit/d9891ea4d2aaffa69f408339cdd61ff740f70565)
+- don't take my tea [`dccd930`](https://github.com/ljharb/function-bind/commit/dccd930bfd60ea10cb178d28c97550c3bc8c1e07)
diff --git a/web/public/node_modules/function-bind/LICENSE b/web/public/node_modules/function-bind/LICENSE
new file mode 100644
index 000000000..62d6d237f
--- /dev/null
+++ b/web/public/node_modules/function-bind/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2013 Raynos.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/web/public/node_modules/function-bind/README.md b/web/public/node_modules/function-bind/README.md
new file mode 100644
index 000000000..814c20b5a
--- /dev/null
+++ b/web/public/node_modules/function-bind/README.md
@@ -0,0 +1,46 @@
+# function-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+<!--[![coverage][codecov-image]][codecov-url]-->
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Implementation of function.prototype.bind
+
+Old versions of phantomjs, Internet Explorer < 9, and node < 0.6 don't support `Function.prototype.bind`.
+
+## Example
+
+```js
+Function.prototype.bind = require("function-bind")
+```
+
+## Installation
+
+`npm install function-bind`
+
+## Contributors
+
+ - Raynos
+
+## MIT Licenced
+
+[package-url]: https://npmjs.org/package/function-bind
+[npm-version-svg]: https://versionbadg.es/Raynos/function-bind.svg
+[deps-svg]: https://david-dm.org/Raynos/function-bind.svg
+[deps-url]: https://david-dm.org/Raynos/function-bind
+[dev-deps-svg]: https://david-dm.org/Raynos/function-bind/dev-status.svg
+[dev-deps-url]: https://david-dm.org/Raynos/function-bind#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/function-bind.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/function-bind.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/function-bind.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=function-bind
+[codecov-image]: https://codecov.io/gh/Raynos/function-bind/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/Raynos/function-bind/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/Raynos/function-bind
+[actions-url]: https://github.com/Raynos/function-bind/actions
diff --git a/web/public/node_modules/function-bind/implementation.js b/web/public/node_modules/function-bind/implementation.js
new file mode 100644
index 000000000..fd4384cc0
--- /dev/null
+++ b/web/public/node_modules/function-bind/implementation.js
@@ -0,0 +1,84 @@
+'use strict';
+
+/* eslint no-invalid-this: 1 */
+
+var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
+var toStr = Object.prototype.toString;
+var max = Math.max;
+var funcType = '[object Function]';
+
+var concatty = function concatty(a, b) {
+    var arr = [];
+
+    for (var i = 0; i < a.length; i += 1) {
+        arr[i] = a[i];
+    }
+    for (var j = 0; j < b.length; j += 1) {
+        arr[j + a.length] = b[j];
+    }
+
+    return arr;
+};
+
+var slicy = function slicy(arrLike, offset) {
+    var arr = [];
+    for (var i = offset || 0, j = 0; i < arrLike.length; i += 1, j += 1) {
+        arr[j] = arrLike[i];
+    }
+    return arr;
+};
+
+var joiny = function (arr, joiner) {
+    var str = '';
+    for (var i = 0; i < arr.length; i += 1) {
+        str += arr[i];
+        if (i + 1 < arr.length) {
+            str += joiner;
+        }
+    }
+    return str;
+};
+
+module.exports = function bind(that) {
+    var target = this;
+    if (typeof target !== 'function' || toStr.apply(target) !== funcType) {
+        throw new TypeError(ERROR_MESSAGE + target);
+    }
+    var args = slicy(arguments, 1);
+
+    var bound;
+    var binder = function () {
+        if (this instanceof bound) {
+            var result = target.apply(
+                this,
+                concatty(args, arguments)
+            );
+            if (Object(result) === result) {
+                return result;
+            }
+            return this;
+        }
+        return target.apply(
+            that,
+            concatty(args, arguments)
+        );
+
+    };
+
+    var boundLength = max(0, target.length - args.length);
+    var boundArgs = [];
+    for (var i = 0; i < boundLength; i++) {
+        boundArgs[i] = '$' + i;
+    }
+
+    bound = Function('binder', 'return function (' + joiny(boundArgs, ',') + '){ return binder.apply(this,arguments); }')(binder);
+
+    if (target.prototype) {
+        var Empty = function Empty() {};
+        Empty.prototype = target.prototype;
+        bound.prototype = new Empty();
+        Empty.prototype = null;
+    }
+
+    return bound;
+};
diff --git a/web/public/node_modules/function-bind/index.js b/web/public/node_modules/function-bind/index.js
new file mode 100644
index 000000000..3bb6b9609
--- /dev/null
+++ b/web/public/node_modules/function-bind/index.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+module.exports = Function.prototype.bind || implementation;
diff --git a/web/public/node_modules/function-bind/package.json b/web/public/node_modules/function-bind/package.json
new file mode 100644
index 000000000..618596389
--- /dev/null
+++ b/web/public/node_modules/function-bind/package.json
@@ -0,0 +1,87 @@
+{
+  "name": "function-bind",
+  "version": "1.1.2",
+  "description": "Implementation of Function.prototype.bind",
+  "keywords": [
+    "function",
+    "bind",
+    "shim",
+    "es5"
+  ],
+  "author": "Raynos <raynos2@gmail.com>",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Raynos/function-bind.git"
+  },
+  "funding": {
+    "url": "https://github.com/sponsors/ljharb"
+  },
+  "main": "index",
+  "homepage": "https://github.com/Raynos/function-bind",
+  "contributors": [
+    {
+      "name": "Raynos"
+    },
+    {
+      "name": "Jordan Harband",
+      "url": "https://github.com/ljharb"
+    }
+  ],
+  "bugs": {
+    "url": "https://github.com/Raynos/function-bind/issues",
+    "email": "raynos2@gmail.com"
+  },
+  "devDependencies": {
+    "@ljharb/eslint-config": "^21.1.0",
+    "aud": "^2.0.3",
+    "auto-changelog": "^2.4.0",
+    "eslint": "=8.8.0",
+    "in-publish": "^2.0.1",
+    "npmignore": "^0.3.0",
+    "nyc": "^10.3.2",
+    "safe-publish-latest": "^2.0.0",
+    "tape": "^5.7.1"
+  },
+  "license": "MIT",
+  "scripts": {
+    "prepublishOnly": "safe-publish-latest",
+    "prepublish": "not-in-publish || npm run prepublishOnly",
+    "prepack": "npmignore --auto --commentLines=autogenerated",
+    "pretest": "npm run lint",
+    "test": "npm run tests-only",
+    "posttest": "aud --production",
+    "tests-only": "nyc tape 'test/**/*.js'",
+    "lint": "eslint --ext=js,mjs .",
+    "version": "auto-changelog && git add CHANGELOG.md",
+    "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+  },
+  "testling": {
+    "files": "test/index.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  },
+  "auto-changelog": {
+    "output": "CHANGELOG.md",
+    "template": "keepachangelog",
+    "unreleased": false,
+    "commitLimit": false,
+    "backfillLimit": false,
+    "hideCredit": true
+  },
+  "publishConfig": {
+    "ignore": [
+      ".github/workflows"
+    ]
+  }
+}
diff --git a/web/public/node_modules/function-bind/test/.eslintrc b/web/public/node_modules/function-bind/test/.eslintrc
new file mode 100644
index 000000000..8a56d5b72
--- /dev/null
+++ b/web/public/node_modules/function-bind/test/.eslintrc
@@ -0,0 +1,9 @@
+{
+	"rules": {
+		"array-bracket-newline": 0,
+		"array-element-newline": 0,
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-invalid-this": 0,
+		"no-magic-numbers": 0,
+	}
+}
diff --git a/web/public/node_modules/function-bind/test/index.js b/web/public/node_modules/function-bind/test/index.js
new file mode 100644
index 000000000..2edecce2f
--- /dev/null
+++ b/web/public/node_modules/function-bind/test/index.js
@@ -0,0 +1,252 @@
+// jscs:disable requireUseStrict
+
+var test = require('tape');
+
+var functionBind = require('../implementation');
+var getCurrentContext = function () { return this; };
+
+test('functionBind is a function', function (t) {
+    t.equal(typeof functionBind, 'function');
+    t.end();
+});
+
+test('non-functions', function (t) {
+    var nonFunctions = [true, false, [], {}, 42, 'foo', NaN, /a/g];
+    t.plan(nonFunctions.length);
+    for (var i = 0; i < nonFunctions.length; ++i) {
+        try { functionBind.call(nonFunctions[i]); } catch (ex) {
+            t.ok(ex instanceof TypeError, 'throws when given ' + String(nonFunctions[i]));
+        }
+    }
+    t.end();
+});
+
+test('without a context', function (t) {
+    t.test('binds properly', function (st) {
+        var args, context;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            })
+        };
+        namespace.func(1, 2, 3);
+        st.deepEqual(args, [1, 2, 3]);
+        st.equal(context, getCurrentContext.call());
+        st.end();
+    });
+
+    t.test('binds properly, and still supplies bound arguments', function (st) {
+        var args, context;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, undefined, 1, 2, 3)
+        };
+        namespace.func(4, 5, 6);
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6]);
+        st.equal(context, getCurrentContext.call());
+        st.end();
+    });
+
+    t.test('returns properly', function (st) {
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, null)
+        };
+        var context = namespace.func(1, 2, 3);
+        st.equal(context, getCurrentContext.call(), 'returned context is namespaced context');
+        st.deepEqual(args, [1, 2, 3], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('returns properly with bound arguments', function (st) {
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, null, 1, 2, 3)
+        };
+        var context = namespace.func(4, 5, 6);
+        st.equal(context, getCurrentContext.call(), 'returned context is namespaced context');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('called as a constructor', function (st) {
+        var thunkify = function (value) {
+            return function () { return value; };
+        };
+        st.test('returns object value', function (sst) {
+            var expectedReturnValue = [1, 2, 3];
+            var Constructor = functionBind.call(thunkify(expectedReturnValue), null);
+            var result = new Constructor();
+            sst.equal(result, expectedReturnValue);
+            sst.end();
+        });
+
+        st.test('does not return primitive value', function (sst) {
+            var Constructor = functionBind.call(thunkify(42), null);
+            var result = new Constructor();
+            sst.notEqual(result, 42);
+            sst.end();
+        });
+
+        st.test('object from bound constructor is instance of original and bound constructor', function (sst) {
+            var A = function (x) {
+                this.name = x || 'A';
+            };
+            var B = functionBind.call(A, null, 'B');
+
+            var result = new B();
+            sst.ok(result instanceof B, 'result is instance of bound constructor');
+            sst.ok(result instanceof A, 'result is instance of original constructor');
+            sst.end();
+        });
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('with a context', function (t) {
+    t.test('with no bound arguments', function (st) {
+        var args, context;
+        var boundContext = {};
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, boundContext)
+        };
+        namespace.func(1, 2, 3);
+        st.equal(context, boundContext, 'binds a context properly');
+        st.deepEqual(args, [1, 2, 3], 'supplies passed arguments');
+        st.end();
+    });
+
+    t.test('with bound arguments', function (st) {
+        var args, context;
+        var boundContext = {};
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, boundContext, 1, 2, 3)
+        };
+        namespace.func(4, 5, 6);
+        st.equal(context, boundContext, 'binds a context properly');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'supplies bound and passed arguments');
+        st.end();
+    });
+
+    t.test('returns properly', function (st) {
+        var boundContext = {};
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, boundContext)
+        };
+        var context = namespace.func(1, 2, 3);
+        st.equal(context, boundContext, 'returned context is bound context');
+        st.notEqual(context, getCurrentContext.call(), 'returned context is not lexical context');
+        st.deepEqual(args, [1, 2, 3], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('returns properly with bound arguments', function (st) {
+        var boundContext = {};
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, boundContext, 1, 2, 3)
+        };
+        var context = namespace.func(4, 5, 6);
+        st.equal(context, boundContext, 'returned context is bound context');
+        st.notEqual(context, getCurrentContext.call(), 'returned context is not lexical context');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('passes the correct arguments when called as a constructor', function (st) {
+        var expected = { name: 'Correct' };
+        var namespace = {
+            Func: functionBind.call(function (arg) {
+                return arg;
+            }, { name: 'Incorrect' })
+        };
+        var returned = new namespace.Func(expected);
+        st.equal(returned, expected, 'returns the right arg when called as a constructor');
+        st.end();
+    });
+
+    t.test('has the new instance\'s context when called as a constructor', function (st) {
+        var actualContext;
+        var expectedContext = { foo: 'bar' };
+        var namespace = {
+            Func: functionBind.call(function () {
+                actualContext = this;
+            }, expectedContext)
+        };
+        var result = new namespace.Func();
+        st.equal(result instanceof namespace.Func, true);
+        st.notEqual(actualContext, expectedContext);
+        st.end();
+    });
+
+    t.end();
+});
+
+test('bound function length', function (t) {
+    t.test('sets a correct length without thisArg', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; });
+        st.equal(subject.length, 3);
+        st.equal(subject(1, 2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {});
+        st.equal(subject.length, 3);
+        st.equal(subject(1, 2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length without thisArg and first argument', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, undefined, 1);
+        st.equal(subject.length, 2);
+        st.equal(subject(2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg and first argument', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {}, 1);
+        st.equal(subject.length, 2);
+        st.equal(subject(2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length without thisArg and too many arguments', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, undefined, 1, 2, 3, 4);
+        st.equal(subject.length, 0);
+        st.equal(subject(), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg and too many arguments', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {}, 1, 2, 3, 4);
+        st.equal(subject.length, 0);
+        st.equal(subject(), 6);
+        st.end();
+    });
+});
diff --git a/web/public/node_modules/get-intrinsic/.eslintrc b/web/public/node_modules/get-intrinsic/.eslintrc
new file mode 100644
index 000000000..837663623
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/.eslintrc
@@ -0,0 +1,38 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"env": {
+		"es6": true,
+		"es2017": true,
+		"es2020": true,
+		"es2021": true,
+		"es2022": true,
+	},
+
+	"rules": {
+		"array-bracket-newline": 0,
+		"complexity": 0,
+		"eqeqeq": [2, "allow-null"],
+		"func-name-matching": 0,
+		"id-length": 0,
+		"max-lines": 0,
+		"max-lines-per-function": [2, 90],
+		"max-params": [2, 4],
+		"max-statements": 0,
+		"max-statements-per-line": [2, { "max": 2 }],
+		"multiline-comment-style": 0,
+		"no-magic-numbers": 0,
+		"sort-keys": 0,
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"new-cap": 0,
+			},
+		},
+	],
+}
diff --git a/web/public/node_modules/get-intrinsic/.github/FUNDING.yml b/web/public/node_modules/get-intrinsic/.github/FUNDING.yml
new file mode 100644
index 000000000..8e8da0dda
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/get-intrinsic
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/get-intrinsic/.nycrc b/web/public/node_modules/get-intrinsic/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/get-intrinsic/CHANGELOG.md b/web/public/node_modules/get-intrinsic/CHANGELOG.md
new file mode 100644
index 000000000..96d5397fc
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/CHANGELOG.md
@@ -0,0 +1,143 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.4](https://github.com/ljharb/get-intrinsic/compare/v1.2.3...v1.2.4) - 2024-02-05
+
+### Commits
+
+- [Refactor] use all 7 &lt;+ ES6 Errors from `es-errors` [`bcac811`](https://github.com/ljharb/get-intrinsic/commit/bcac811abdc1c982e12abf848a410d6aae148d14)
+
+## [v1.2.3](https://github.com/ljharb/get-intrinsic/compare/v1.2.2...v1.2.3) - 2024-02-03
+
+### Commits
+
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`f11db9c`](https://github.com/ljharb/get-intrinsic/commit/f11db9c4fb97d87bbd53d3c73ac6b3db3613ad3b)
+- [Dev Deps] update `aud`, `es-abstract`, `mock-property`, `npmignore` [`b7ac7d1`](https://github.com/ljharb/get-intrinsic/commit/b7ac7d1616fefb03877b1aed0c8f8d61aad32b6c)
+- [meta] simplify `exports` [`faa0cc6`](https://github.com/ljharb/get-intrinsic/commit/faa0cc618e2830ffb51a8202490b0c215d965cbc)
+- [meta] add missing `engines.node` [`774dd0b`](https://github.com/ljharb/get-intrinsic/commit/774dd0b3e8f741c3f05a6322d124d6087f146af1)
+- [Dev Deps] update `tape` [`5828e8e`](https://github.com/ljharb/get-intrinsic/commit/5828e8e4a04e69312e87a36c0ea39428a7a4c3d8)
+- [Robustness] use null objects for lookups [`eb9a11f`](https://github.com/ljharb/get-intrinsic/commit/eb9a11fa9eb3e13b193fcc05a7fb814341b1a7b7)
+- [meta] add `sideEffects` flag [`89bcc7a`](https://github.com/ljharb/get-intrinsic/commit/89bcc7a42e19bf07b7c21e3094d5ab177109e6d2)
+
+## [v1.2.2](https://github.com/ljharb/get-intrinsic/compare/v1.2.1...v1.2.2) - 2023-10-20
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `call-bind`, `es-abstract`, `mock-property`, `object-inspect`, `tape` [`f51bcf2`](https://github.com/ljharb/get-intrinsic/commit/f51bcf26412d58d17ce17c91c9afd0ad271f0762)
+- [Refactor] use `hasown` instead of `has` [`18d14b7`](https://github.com/ljharb/get-intrinsic/commit/18d14b799bea6b5765e1cec91890830cbcdb0587)
+- [Deps] update `function-bind` [`6e109c8`](https://github.com/ljharb/get-intrinsic/commit/6e109c81e03804cc5e7824fb64353cdc3d8ee2c7)
+
+## [v1.2.1](https://github.com/ljharb/get-intrinsic/compare/v1.2.0...v1.2.1) - 2023-05-13
+
+### Commits
+
+- [Fix] avoid a crash in envs without `__proto__` [`7bad8d0`](https://github.com/ljharb/get-intrinsic/commit/7bad8d061bf8721733b58b73a2565af2b6756b64)
+- [Dev Deps] update `es-abstract` [`c60e6b7`](https://github.com/ljharb/get-intrinsic/commit/c60e6b7b4cf9660c7f27ed970970fd55fac48dc5)
+
+## [v1.2.0](https://github.com/ljharb/get-intrinsic/compare/v1.1.3...v1.2.0) - 2023-01-19
+
+### Commits
+
+- [actions] update checkout action [`ca6b12f`](https://github.com/ljharb/get-intrinsic/commit/ca6b12f31eaacea4ea3b055e744cd61623385ffb)
+- [Dev Deps] update `@ljharb/eslint-config`, `es-abstract`, `object-inspect`, `tape` [`41a3727`](https://github.com/ljharb/get-intrinsic/commit/41a3727d0026fa04273ae216a5f8e12eefd72da8)
+- [Fix] ensure `Error.prototype` is undeniable [`c511e97`](https://github.com/ljharb/get-intrinsic/commit/c511e97ae99c764c4524b540dee7a70757af8da3)
+- [Dev Deps] update `aud`, `es-abstract`, `tape` [`1bef8a8`](https://github.com/ljharb/get-intrinsic/commit/1bef8a8fd439ebb80863199b6189199e0851ac67)
+- [Dev Deps] update `aud`, `es-abstract` [`0d41f16`](https://github.com/ljharb/get-intrinsic/commit/0d41f16bcd500bc28b7bfc98043ebf61ea081c26)
+- [New] add `BigInt64Array` and `BigUint64Array` [`a6cca25`](https://github.com/ljharb/get-intrinsic/commit/a6cca25f29635889b7e9bd669baf9e04be90e48c)
+- [Tests] use `gopd` [`ecf7722`](https://github.com/ljharb/get-intrinsic/commit/ecf7722240d15cfd16edda06acf63359c10fb9bd)
+
+## [v1.1.3](https://github.com/ljharb/get-intrinsic/compare/v1.1.2...v1.1.3) - 2022-09-12
+
+### Commits
+
+- [Dev Deps] update `es-abstract`, `es-value-fixtures`, `tape` [`07ff291`](https://github.com/ljharb/get-intrinsic/commit/07ff291816406ebe5a12d7f16965bde0942dd688)
+- [Fix] properly check for % signs [`50ac176`](https://github.com/ljharb/get-intrinsic/commit/50ac1760fe99c227e64eabde76e9c0e44cd881b5)
+
+## [v1.1.2](https://github.com/ljharb/get-intrinsic/compare/v1.1.1...v1.1.2) - 2022-06-08
+
+### Fixed
+
+- [Fix] properly validate against extra % signs [`#16`](https://github.com/ljharb/get-intrinsic/issues/16)
+
+### Commits
+
+- [actions] reuse common workflows [`0972547`](https://github.com/ljharb/get-intrinsic/commit/0972547efd0abc863fe4c445a6ca7eb4f8c6901d)
+- [meta] use `npmignore` to autogenerate an npmignore file [`5ba0b51`](https://github.com/ljharb/get-intrinsic/commit/5ba0b51d8d8d4f1c31d426d74abc0770fd106bad)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`c364492`](https://github.com/ljharb/get-intrinsic/commit/c364492af4af51333e6f81c0bf21fd3d602c3661)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es-abstract`, `object-inspect`, `tape` [`dc04dad`](https://github.com/ljharb/get-intrinsic/commit/dc04dad86f6e5608775a2640cb0db5927ae29ed9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es-abstract`, `object-inspect`, `safe-publish-latest`, `tape` [`1c14059`](https://github.com/ljharb/get-intrinsic/commit/1c1405984e86dd2dc9366c15d8a0294a96a146a5)
+- [Tests] use `mock-property` [`b396ef0`](https://github.com/ljharb/get-intrinsic/commit/b396ef05bb73b1d699811abd64b0d9b97997fdda)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `object-inspect`, `tape` [`c2c758d`](https://github.com/ljharb/get-intrinsic/commit/c2c758d3b90af4fef0a76910d8d3c292ec8d1d3e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `es-abstract`, `es-value-fixtures`, `object-inspect`, `tape` [`29e3c09`](https://github.com/ljharb/get-intrinsic/commit/29e3c091c2bf3e17099969847e8729d0e46896de)
+- [actions] update codecov uploader [`8cbc141`](https://github.com/ljharb/get-intrinsic/commit/8cbc1418940d7a8941f3a7985cbc4ac095c5e13d)
+- [Dev Deps] update `@ljharb/eslint-config`, `es-abstract`, `es-value-fixtures`, `object-inspect`, `tape` [`10b6f5c`](https://github.com/ljharb/get-intrinsic/commit/10b6f5c02593fb3680c581d696ac124e30652932)
+- [readme] add github actions/codecov badges [`4e25400`](https://github.com/ljharb/get-intrinsic/commit/4e25400d9f51ae9eb059cbe22d9144e70ea214e8)
+- [Tests] use `for-each` instead of `foreach` [`c05b957`](https://github.com/ljharb/get-intrinsic/commit/c05b957ad9a7bc7721af7cc9e9be1edbfe057496)
+- [Dev Deps] update `es-abstract` [`29b05ae`](https://github.com/ljharb/get-intrinsic/commit/29b05aec3e7330e9ad0b8e0f685a9112c20cdd97)
+- [meta] use `prepublishOnly` script for npm 7+ [`95c285d`](https://github.com/ljharb/get-intrinsic/commit/95c285da810516057d3bbfa871176031af38f05d)
+- [Deps] update `has-symbols` [`593cb4f`](https://github.com/ljharb/get-intrinsic/commit/593cb4fb38e7922e40e42c183f45274b636424cd)
+- [readme] fix repo URLs [`1c8305b`](https://github.com/ljharb/get-intrinsic/commit/1c8305b5365827c9b6fc785434aac0e1328ff2f5)
+- [Deps] update `has-symbols` [`c7138b6`](https://github.com/ljharb/get-intrinsic/commit/c7138b6c6d73132d859471fb8c13304e1e7c8b20)
+- [Dev Deps] remove unused `has-bigints` [`bd63aff`](https://github.com/ljharb/get-intrinsic/commit/bd63aff6ad8f3a986c557fcda2914187bdaab359)
+
+## [v1.1.1](https://github.com/ljharb/get-intrinsic/compare/v1.1.0...v1.1.1) - 2021-02-03
+
+### Fixed
+
+- [meta] export `./package.json` [`#9`](https://github.com/ljharb/get-intrinsic/issues/9)
+
+### Commits
+
+- [readme] flesh out the readme; use `evalmd` [`d12f12c`](https://github.com/ljharb/get-intrinsic/commit/d12f12c15345a0a0772cc65a7c64369529abd614)
+- [eslint] set up proper globals config [`5a8c098`](https://github.com/ljharb/get-intrinsic/commit/5a8c0984e3319d1ac0e64b102f8ec18b64e79f36)
+- [Dev Deps] update `eslint` [`7b9a5c0`](https://github.com/ljharb/get-intrinsic/commit/7b9a5c0d31a90ca1a1234181c74988fb046701cd)
+
+## [v1.1.0](https://github.com/ljharb/get-intrinsic/compare/v1.0.2...v1.1.0) - 2021-01-25
+
+### Fixed
+
+- [Refactor] delay `Function` eval until syntax-derived values are requested [`#3`](https://github.com/ljharb/get-intrinsic/issues/3)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`2ab762b`](https://github.com/ljharb/get-intrinsic/commit/2ab762b48164aea8af37a40ba105bbc8246ab8c4)
+- [meta] do not publish github action workflow files [`5e7108e`](https://github.com/ljharb/get-intrinsic/commit/5e7108e4768b244d48d9567ba4f8a6cab9c65b8e)
+- [Tests] add some coverage [`01ac7a8`](https://github.com/ljharb/get-intrinsic/commit/01ac7a87ac29738567e8524cd8c9e026b1fa8cb3)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `call-bind`, `es-abstract`, `tape`; add `call-bind` [`911b672`](https://github.com/ljharb/get-intrinsic/commit/911b672fbffae433a96924c6ce013585e425f4b7)
+- [Refactor] rearrange evalled constructors a bit [`7e7e4bf`](https://github.com/ljharb/get-intrinsic/commit/7e7e4bf583f3799c8ac1c6c5e10d2cb553957347)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`0199968`](https://github.com/ljharb/get-intrinsic/commit/01999687a263ffce0a3cb011dfbcb761754aedbc)
+
+## [v1.0.2](https://github.com/ljharb/get-intrinsic/compare/v1.0.1...v1.0.2) - 2020-12-17
+
+### Commits
+
+- [Fix] Throw for non‑existent intrinsics [`68f873b`](https://github.com/ljharb/get-intrinsic/commit/68f873b013c732a05ad6f5fc54f697e55515461b)
+- [Fix] Throw for non‑existent segments in the intrinsic path [`8325dee`](https://github.com/ljharb/get-intrinsic/commit/8325deee43128f3654d3399aa9591741ebe17b21)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-bigints`, `object-inspect` [`0c227a7`](https://github.com/ljharb/get-intrinsic/commit/0c227a7d8b629166f25715fd242553892e458525)
+- [meta] do not lint coverage output [`70d2419`](https://github.com/ljharb/get-intrinsic/commit/70d24199b620043cd9110fc5f426d214ebe21dc9)
+
+## [v1.0.1](https://github.com/ljharb/get-intrinsic/compare/v1.0.0...v1.0.1) - 2020-10-30
+
+### Commits
+
+- [Tests] gather coverage data on every job [`d1d280d`](https://github.com/ljharb/get-intrinsic/commit/d1d280dec714e3f0519cc877dbcb193057d9cac6)
+- [Fix] add missing dependencies [`5031771`](https://github.com/ljharb/get-intrinsic/commit/5031771bb1095b38be88ce7c41d5de88718e432e)
+- [Tests] use `es-value-fixtures` [`af48765`](https://github.com/ljharb/get-intrinsic/commit/af48765a23c5323fb0b6b38dbf00eb5099c7bebc)
+
+## v1.0.0 - 2020-10-29
+
+### Commits
+
+- Implementation [`bbce57c`](https://github.com/ljharb/get-intrinsic/commit/bbce57c6f33d05b2d8d3efa273ceeb3ee01127bb)
+- Tests [`17b4f0d`](https://github.com/ljharb/get-intrinsic/commit/17b4f0d56dea6b4059b56fc30ef3ee4d9500ebc2)
+- Initial commit [`3153294`](https://github.com/ljharb/get-intrinsic/commit/31532948de363b0a27dd9fd4649e7b7028ec4b44)
+- npm init [`fb326c4`](https://github.com/ljharb/get-intrinsic/commit/fb326c4d2817c8419ec31de1295f06bb268a7902)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`48862fb`](https://github.com/ljharb/get-intrinsic/commit/48862fb2508c8f6a57968e6d08b7c883afc9d550)
+- [meta] add `auto-changelog` [`5f28ad0`](https://github.com/ljharb/get-intrinsic/commit/5f28ad019e060a353d8028f9f2591a9cc93074a1)
+- [meta] add "funding"; create `FUNDING.yml` [`c2bbdde`](https://github.com/ljharb/get-intrinsic/commit/c2bbddeba73a875be61484ee4680b129a6d4e0a1)
+- [Tests] add `npm run lint` [`0a84b98`](https://github.com/ljharb/get-intrinsic/commit/0a84b98b22b7cf7a748666f705b0003a493c35fd)
+- Only apps should have lockfiles [`9586c75`](https://github.com/ljharb/get-intrinsic/commit/9586c75866c1ee678e4d5d4dbbdef6997e511b05)
diff --git a/web/public/node_modules/get-intrinsic/LICENSE b/web/public/node_modules/get-intrinsic/LICENSE
new file mode 100644
index 000000000..48f05d01d
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/get-intrinsic/README.md b/web/public/node_modules/get-intrinsic/README.md
new file mode 100644
index 000000000..3aa0bba40
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/README.md
@@ -0,0 +1,71 @@
+# get-intrinsic <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Get and robustly cache all JS language-level intrinsics at first require time.
+
+See the syntax described [in the JS spec](https://tc39.es/ecma262/#sec-well-known-intrinsic-objects) for reference.
+
+## Example
+
+```js
+var GetIntrinsic = require('get-intrinsic');
+var assert = require('assert');
+
+// static methods
+assert.equal(GetIntrinsic('%Math.pow%'), Math.pow);
+assert.equal(Math.pow(2, 3), 8);
+assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8);
+delete Math.pow;
+assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8);
+
+// instance methods
+var arr = [1];
+assert.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push);
+assert.deepEqual(arr, [1]);
+
+arr.push(2);
+assert.deepEqual(arr, [1, 2]);
+
+GetIntrinsic('%Array.prototype.push%').call(arr, 3);
+assert.deepEqual(arr, [1, 2, 3]);
+
+delete Array.prototype.push;
+GetIntrinsic('%Array.prototype.push%').call(arr, 4);
+assert.deepEqual(arr, [1, 2, 3, 4]);
+
+// missing features
+delete JSON.parse; // to simulate a real intrinsic that is missing in the environment
+assert.throws(() => GetIntrinsic('%JSON.parse%'));
+assert.equal(undefined, GetIntrinsic('%JSON.parse%', true));
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/get-intrinsic
+[npm-version-svg]: https://versionbadg.es/ljharb/get-intrinsic.svg
+[deps-svg]: https://david-dm.org/ljharb/get-intrinsic.svg
+[deps-url]: https://david-dm.org/ljharb/get-intrinsic
+[dev-deps-svg]: https://david-dm.org/ljharb/get-intrinsic/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/get-intrinsic#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/get-intrinsic.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/get-intrinsic.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/get-intrinsic.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=get-intrinsic
+[codecov-image]: https://codecov.io/gh/ljharb/get-intrinsic/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/get-intrinsic/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/get-intrinsic
+[actions-url]: https://github.com/ljharb/get-intrinsic/actions
diff --git a/web/public/node_modules/get-intrinsic/index.js b/web/public/node_modules/get-intrinsic/index.js
new file mode 100644
index 000000000..c25e2c42e
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/index.js
@@ -0,0 +1,359 @@
+'use strict';
+
+var undefined;
+
+var $Error = require('es-errors');
+var $EvalError = require('es-errors/eval');
+var $RangeError = require('es-errors/range');
+var $ReferenceError = require('es-errors/ref');
+var $SyntaxError = require('es-errors/syntax');
+var $TypeError = require('es-errors/type');
+var $URIError = require('es-errors/uri');
+
+var $Function = Function;
+
+// eslint-disable-next-line consistent-return
+var getEvalledConstructor = function (expressionSyntax) {
+	try {
+		return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')();
+	} catch (e) {}
+};
+
+var $gOPD = Object.getOwnPropertyDescriptor;
+if ($gOPD) {
+	try {
+		$gOPD({}, '');
+	} catch (e) {
+		$gOPD = null; // this is IE 8, which has a broken gOPD
+	}
+}
+
+var throwTypeError = function () {
+	throw new $TypeError();
+};
+var ThrowTypeError = $gOPD
+	? (function () {
+		try {
+			// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
+			arguments.callee; // IE 8 does not throw here
+			return throwTypeError;
+		} catch (calleeThrows) {
+			try {
+				// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
+				return $gOPD(arguments, 'callee').get;
+			} catch (gOPDthrows) {
+				return throwTypeError;
+			}
+		}
+	}())
+	: throwTypeError;
+
+var hasSymbols = require('has-symbols')();
+var hasProto = require('has-proto')();
+
+var getProto = Object.getPrototypeOf || (
+	hasProto
+		? function (x) { return x.__proto__; } // eslint-disable-line no-proto
+		: null
+);
+
+var needsEval = {};
+
+var TypedArray = typeof Uint8Array === 'undefined' || !getProto ? undefined : getProto(Uint8Array);
+
+var INTRINSICS = {
+	__proto__: null,
+	'%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError,
+	'%Array%': Array,
+	'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,
+	'%ArrayIteratorPrototype%': hasSymbols && getProto ? getProto([][Symbol.iterator]()) : undefined,
+	'%AsyncFromSyncIteratorPrototype%': undefined,
+	'%AsyncFunction%': needsEval,
+	'%AsyncGenerator%': needsEval,
+	'%AsyncGeneratorFunction%': needsEval,
+	'%AsyncIteratorPrototype%': needsEval,
+	'%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,
+	'%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt,
+	'%BigInt64Array%': typeof BigInt64Array === 'undefined' ? undefined : BigInt64Array,
+	'%BigUint64Array%': typeof BigUint64Array === 'undefined' ? undefined : BigUint64Array,
+	'%Boolean%': Boolean,
+	'%DataView%': typeof DataView === 'undefined' ? undefined : DataView,
+	'%Date%': Date,
+	'%decodeURI%': decodeURI,
+	'%decodeURIComponent%': decodeURIComponent,
+	'%encodeURI%': encodeURI,
+	'%encodeURIComponent%': encodeURIComponent,
+	'%Error%': $Error,
+	'%eval%': eval, // eslint-disable-line no-eval
+	'%EvalError%': $EvalError,
+	'%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,
+	'%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,
+	'%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry,
+	'%Function%': $Function,
+	'%GeneratorFunction%': needsEval,
+	'%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,
+	'%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,
+	'%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,
+	'%isFinite%': isFinite,
+	'%isNaN%': isNaN,
+	'%IteratorPrototype%': hasSymbols && getProto ? getProto(getProto([][Symbol.iterator]())) : undefined,
+	'%JSON%': typeof JSON === 'object' ? JSON : undefined,
+	'%Map%': typeof Map === 'undefined' ? undefined : Map,
+	'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Map()[Symbol.iterator]()),
+	'%Math%': Math,
+	'%Number%': Number,
+	'%Object%': Object,
+	'%parseFloat%': parseFloat,
+	'%parseInt%': parseInt,
+	'%Promise%': typeof Promise === 'undefined' ? undefined : Promise,
+	'%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,
+	'%RangeError%': $RangeError,
+	'%ReferenceError%': $ReferenceError,
+	'%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,
+	'%RegExp%': RegExp,
+	'%Set%': typeof Set === 'undefined' ? undefined : Set,
+	'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Set()[Symbol.iterator]()),
+	'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,
+	'%String%': String,
+	'%StringIteratorPrototype%': hasSymbols && getProto ? getProto(''[Symbol.iterator]()) : undefined,
+	'%Symbol%': hasSymbols ? Symbol : undefined,
+	'%SyntaxError%': $SyntaxError,
+	'%ThrowTypeError%': ThrowTypeError,
+	'%TypedArray%': TypedArray,
+	'%TypeError%': $TypeError,
+	'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,
+	'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,
+	'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,
+	'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,
+	'%URIError%': $URIError,
+	'%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,
+	'%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef,
+	'%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet
+};
+
+if (getProto) {
+	try {
+		null.error; // eslint-disable-line no-unused-expressions
+	} catch (e) {
+		// https://github.com/tc39/proposal-shadowrealm/pull/384#issuecomment-1364264229
+		var errorProto = getProto(getProto(e));
+		INTRINSICS['%Error.prototype%'] = errorProto;
+	}
+}
+
+var doEval = function doEval(name) {
+	var value;
+	if (name === '%AsyncFunction%') {
+		value = getEvalledConstructor('async function () {}');
+	} else if (name === '%GeneratorFunction%') {
+		value = getEvalledConstructor('function* () {}');
+	} else if (name === '%AsyncGeneratorFunction%') {
+		value = getEvalledConstructor('async function* () {}');
+	} else if (name === '%AsyncGenerator%') {
+		var fn = doEval('%AsyncGeneratorFunction%');
+		if (fn) {
+			value = fn.prototype;
+		}
+	} else if (name === '%AsyncIteratorPrototype%') {
+		var gen = doEval('%AsyncGenerator%');
+		if (gen && getProto) {
+			value = getProto(gen.prototype);
+		}
+	}
+
+	INTRINSICS[name] = value;
+
+	return value;
+};
+
+var LEGACY_ALIASES = {
+	__proto__: null,
+	'%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'],
+	'%ArrayPrototype%': ['Array', 'prototype'],
+	'%ArrayProto_entries%': ['Array', 'prototype', 'entries'],
+	'%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'],
+	'%ArrayProto_keys%': ['Array', 'prototype', 'keys'],
+	'%ArrayProto_values%': ['Array', 'prototype', 'values'],
+	'%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'],
+	'%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'],
+	'%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'],
+	'%BooleanPrototype%': ['Boolean', 'prototype'],
+	'%DataViewPrototype%': ['DataView', 'prototype'],
+	'%DatePrototype%': ['Date', 'prototype'],
+	'%ErrorPrototype%': ['Error', 'prototype'],
+	'%EvalErrorPrototype%': ['EvalError', 'prototype'],
+	'%Float32ArrayPrototype%': ['Float32Array', 'prototype'],
+	'%Float64ArrayPrototype%': ['Float64Array', 'prototype'],
+	'%FunctionPrototype%': ['Function', 'prototype'],
+	'%Generator%': ['GeneratorFunction', 'prototype'],
+	'%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'],
+	'%Int8ArrayPrototype%': ['Int8Array', 'prototype'],
+	'%Int16ArrayPrototype%': ['Int16Array', 'prototype'],
+	'%Int32ArrayPrototype%': ['Int32Array', 'prototype'],
+	'%JSONParse%': ['JSON', 'parse'],
+	'%JSONStringify%': ['JSON', 'stringify'],
+	'%MapPrototype%': ['Map', 'prototype'],
+	'%NumberPrototype%': ['Number', 'prototype'],
+	'%ObjectPrototype%': ['Object', 'prototype'],
+	'%ObjProto_toString%': ['Object', 'prototype', 'toString'],
+	'%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'],
+	'%PromisePrototype%': ['Promise', 'prototype'],
+	'%PromiseProto_then%': ['Promise', 'prototype', 'then'],
+	'%Promise_all%': ['Promise', 'all'],
+	'%Promise_reject%': ['Promise', 'reject'],
+	'%Promise_resolve%': ['Promise', 'resolve'],
+	'%RangeErrorPrototype%': ['RangeError', 'prototype'],
+	'%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'],
+	'%RegExpPrototype%': ['RegExp', 'prototype'],
+	'%SetPrototype%': ['Set', 'prototype'],
+	'%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'],
+	'%StringPrototype%': ['String', 'prototype'],
+	'%SymbolPrototype%': ['Symbol', 'prototype'],
+	'%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'],
+	'%TypedArrayPrototype%': ['TypedArray', 'prototype'],
+	'%TypeErrorPrototype%': ['TypeError', 'prototype'],
+	'%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'],
+	'%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'],
+	'%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'],
+	'%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'],
+	'%URIErrorPrototype%': ['URIError', 'prototype'],
+	'%WeakMapPrototype%': ['WeakMap', 'prototype'],
+	'%WeakSetPrototype%': ['WeakSet', 'prototype']
+};
+
+var bind = require('function-bind');
+var hasOwn = require('hasown');
+var $concat = bind.call(Function.call, Array.prototype.concat);
+var $spliceApply = bind.call(Function.apply, Array.prototype.splice);
+var $replace = bind.call(Function.call, String.prototype.replace);
+var $strSlice = bind.call(Function.call, String.prototype.slice);
+var $exec = bind.call(Function.call, RegExp.prototype.exec);
+
+/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
+var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
+var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
+var stringToPath = function stringToPath(string) {
+	var first = $strSlice(string, 0, 1);
+	var last = $strSlice(string, -1);
+	if (first === '%' && last !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`');
+	} else if (last === '%' && first !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`');
+	}
+	var result = [];
+	$replace(string, rePropName, function (match, number, quote, subString) {
+		result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match;
+	});
+	return result;
+};
+/* end adaptation */
+
+var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
+	var intrinsicName = name;
+	var alias;
+	if (hasOwn(LEGACY_ALIASES, intrinsicName)) {
+		alias = LEGACY_ALIASES[intrinsicName];
+		intrinsicName = '%' + alias[0] + '%';
+	}
+
+	if (hasOwn(INTRINSICS, intrinsicName)) {
+		var value = INTRINSICS[intrinsicName];
+		if (value === needsEval) {
+			value = doEval(intrinsicName);
+		}
+		if (typeof value === 'undefined' && !allowMissing) {
+			throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
+		}
+
+		return {
+			alias: alias,
+			name: intrinsicName,
+			value: value
+		};
+	}
+
+	throw new $SyntaxError('intrinsic ' + name + ' does not exist!');
+};
+
+module.exports = function GetIntrinsic(name, allowMissing) {
+	if (typeof name !== 'string' || name.length === 0) {
+		throw new $TypeError('intrinsic name must be a non-empty string');
+	}
+	if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
+		throw new $TypeError('"allowMissing" argument must be a boolean');
+	}
+
+	if ($exec(/^%?[^%]*%?$/, name) === null) {
+		throw new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name');
+	}
+	var parts = stringToPath(name);
+	var intrinsicBaseName = parts.length > 0 ? parts[0] : '';
+
+	var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing);
+	var intrinsicRealName = intrinsic.name;
+	var value = intrinsic.value;
+	var skipFurtherCaching = false;
+
+	var alias = intrinsic.alias;
+	if (alias) {
+		intrinsicBaseName = alias[0];
+		$spliceApply(parts, $concat([0, 1], alias));
+	}
+
+	for (var i = 1, isOwn = true; i < parts.length; i += 1) {
+		var part = parts[i];
+		var first = $strSlice(part, 0, 1);
+		var last = $strSlice(part, -1);
+		if (
+			(
+				(first === '"' || first === "'" || first === '`')
+				|| (last === '"' || last === "'" || last === '`')
+			)
+			&& first !== last
+		) {
+			throw new $SyntaxError('property names with quotes must have matching quotes');
+		}
+		if (part === 'constructor' || !isOwn) {
+			skipFurtherCaching = true;
+		}
+
+		intrinsicBaseName += '.' + part;
+		intrinsicRealName = '%' + intrinsicBaseName + '%';
+
+		if (hasOwn(INTRINSICS, intrinsicRealName)) {
+			value = INTRINSICS[intrinsicRealName];
+		} else if (value != null) {
+			if (!(part in value)) {
+				if (!allowMissing) {
+					throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
+				}
+				return void undefined;
+			}
+			if ($gOPD && (i + 1) >= parts.length) {
+				var desc = $gOPD(value, part);
+				isOwn = !!desc;
+
+				// By convention, when a data property is converted to an accessor
+				// property to emulate a data property that does not suffer from
+				// the override mistake, that accessor's getter is marked with
+				// an `originalValue` property. Here, when we detect this, we
+				// uphold the illusion by pretending to see that original data
+				// property, i.e., returning the value rather than the getter
+				// itself.
+				if (isOwn && 'get' in desc && !('originalValue' in desc.get)) {
+					value = desc.get;
+				} else {
+					value = value[part];
+				}
+			} else {
+				isOwn = hasOwn(value, part);
+				value = value[part];
+			}
+
+			if (isOwn && !skipFurtherCaching) {
+				INTRINSICS[intrinsicRealName] = value;
+			}
+		}
+	}
+	return value;
+};
diff --git a/web/public/node_modules/get-intrinsic/package.json b/web/public/node_modules/get-intrinsic/package.json
new file mode 100644
index 000000000..568dff997
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/package.json
@@ -0,0 +1,93 @@
+{
+	"name": "get-intrinsic",
+	"version": "1.2.4",
+	"description": "Get and robustly cache all JS language-level intrinsics at first require time",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=.js,.mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/get-intrinsic.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"intrinsic",
+		"getintrinsic",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/get-intrinsic/issues"
+	},
+	"homepage": "https://github.com/ljharb/get-intrinsic#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"call-bind": "^1.0.5",
+		"es-abstract": "^1.22.3",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"gopd": "^1.0.1",
+		"make-async-function": "^1.0.0",
+		"make-async-generator-function": "^1.0.0",
+		"make-generator-function": "^2.0.0",
+		"mock-property": "^1.0.3",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"dependencies": {
+		"es-errors": "^1.3.0",
+		"function-bind": "^1.1.2",
+		"has-proto": "^1.0.1",
+		"has-symbols": "^1.0.3",
+		"hasown": "^2.0.0"
+	},
+	"testling": {
+		"files": "test/GetIntrinsic.js"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/web/public/node_modules/get-intrinsic/test/GetIntrinsic.js b/web/public/node_modules/get-intrinsic/test/GetIntrinsic.js
new file mode 100644
index 000000000..1cc08e00c
--- /dev/null
+++ b/web/public/node_modules/get-intrinsic/test/GetIntrinsic.js
@@ -0,0 +1,274 @@
+'use strict';
+
+var GetIntrinsic = require('../');
+
+var test = require('tape');
+var forEach = require('for-each');
+var debug = require('object-inspect');
+var generatorFns = require('make-generator-function')();
+var asyncFns = require('make-async-function').list();
+var asyncGenFns = require('make-async-generator-function')();
+var mockProperty = require('mock-property');
+
+var callBound = require('call-bind/callBound');
+var v = require('es-value-fixtures');
+var $gOPD = require('gopd');
+var DefinePropertyOrThrow = require('es-abstract/2021/DefinePropertyOrThrow');
+
+var $isProto = callBound('%Object.prototype.isPrototypeOf%');
+
+test('export', function (t) {
+	t.equal(typeof GetIntrinsic, 'function', 'it is a function');
+	t.equal(GetIntrinsic.length, 2, 'function has length of 2');
+
+	t.end();
+});
+
+test('throws', function (t) {
+	t['throws'](
+		function () { GetIntrinsic('not an intrinsic'); },
+		SyntaxError,
+		'nonexistent intrinsic throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic(''); },
+		TypeError,
+		'empty string intrinsic throws a type error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('.'); },
+		SyntaxError,
+		'"just a dot" intrinsic throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%String'); },
+		SyntaxError,
+		'Leading % without trailing % throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('String%'); },
+		SyntaxError,
+		'Trailing % without leading % throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic("String['prototype]"); },
+		SyntaxError,
+		'Dynamic property access is disallowed for intrinsics (unterminated string)'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Proxy.prototype.undefined%'); },
+		TypeError,
+		"Throws when middle part doesn't exist (%Proxy.prototype.undefined%)"
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Array.prototype%garbage%'); },
+		SyntaxError,
+		'Throws with extra percent signs'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Array.prototype%push%'); },
+		SyntaxError,
+		'Throws with extra percent signs, even on an existing intrinsic'
+	);
+
+	forEach(v.nonStrings, function (nonString) {
+		t['throws'](
+			function () { GetIntrinsic(nonString); },
+			TypeError,
+			debug(nonString) + ' is not a String'
+		);
+	});
+
+	forEach(v.nonBooleans, function (nonBoolean) {
+		t['throws'](
+			function () { GetIntrinsic('%', nonBoolean); },
+			TypeError,
+			debug(nonBoolean) + ' is not a Boolean'
+		);
+	});
+
+	forEach([
+		'toString',
+		'propertyIsEnumerable',
+		'hasOwnProperty'
+	], function (objectProtoMember) {
+		t['throws'](
+			function () { GetIntrinsic(objectProtoMember); },
+			SyntaxError,
+			debug(objectProtoMember) + ' is not an intrinsic'
+		);
+	});
+
+	t.end();
+});
+
+test('base intrinsics', function (t) {
+	t.equal(GetIntrinsic('%Object%'), Object, '%Object% yields Object');
+	t.equal(GetIntrinsic('Object'), Object, 'Object yields Object');
+	t.equal(GetIntrinsic('%Array%'), Array, '%Array% yields Array');
+	t.equal(GetIntrinsic('Array'), Array, 'Array yields Array');
+
+	t.end();
+});
+
+test('dotted paths', function (t) {
+	t.equal(GetIntrinsic('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% yields Object.prototype.toString');
+	t.equal(GetIntrinsic('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString yields Object.prototype.toString');
+	t.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push, '%Array.prototype.push% yields Array.prototype.push');
+	t.equal(GetIntrinsic('Array.prototype.push'), Array.prototype.push, 'Array.prototype.push yields Array.prototype.push');
+
+	test('underscore paths are aliases for dotted paths', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {
+		var original = GetIntrinsic('%ObjProto_toString%');
+
+		forEach([
+			'%Object.prototype.toString%',
+			'Object.prototype.toString',
+			'%ObjectPrototype.toString%',
+			'ObjectPrototype.toString',
+			'%ObjProto_toString%',
+			'ObjProto_toString'
+		], function (name) {
+			DefinePropertyOrThrow(Object.prototype, 'toString', {
+				'[[Value]]': function toString() {
+					return original.apply(this, arguments);
+				}
+			});
+			st.equal(GetIntrinsic(name), original, name + ' yields original Object.prototype.toString');
+		});
+
+		DefinePropertyOrThrow(Object.prototype, 'toString', { '[[Value]]': original });
+		st.end();
+	});
+
+	test('dotted paths cache', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {
+		var original = GetIntrinsic('%Object.prototype.propertyIsEnumerable%');
+
+		forEach([
+			'%Object.prototype.propertyIsEnumerable%',
+			'Object.prototype.propertyIsEnumerable',
+			'%ObjectPrototype.propertyIsEnumerable%',
+			'ObjectPrototype.propertyIsEnumerable'
+		], function (name) {
+			var restore = mockProperty(Object.prototype, 'propertyIsEnumerable', {
+				value: function propertyIsEnumerable() {
+					return original.apply(this, arguments);
+				}
+			});
+			st.equal(GetIntrinsic(name), original, name + ' yields cached Object.prototype.propertyIsEnumerable');
+
+			restore();
+		});
+
+		st.end();
+	});
+
+	test('dotted path reports correct error', function (st) {
+		st['throws'](function () {
+			GetIntrinsic('%NonExistentIntrinsic.prototype.property%');
+		}, /%NonExistentIntrinsic%/, 'The base intrinsic of %NonExistentIntrinsic.prototype.property% is %NonExistentIntrinsic%');
+
+		st['throws'](function () {
+			GetIntrinsic('%NonExistentIntrinsicPrototype.property%');
+		}, /%NonExistentIntrinsicPrototype%/, 'The base intrinsic of %NonExistentIntrinsicPrototype.property% is %NonExistentIntrinsicPrototype%');
+
+		st.end();
+	});
+
+	t.end();
+});
+
+test('accessors', { skip: !$gOPD || typeof Map !== 'function' }, function (t) {
+	var actual = $gOPD(Map.prototype, 'size');
+	t.ok(actual, 'Map.prototype.size has a descriptor');
+	t.equal(typeof actual.get, 'function', 'Map.prototype.size has a getter function');
+	t.equal(GetIntrinsic('%Map.prototype.size%'), actual.get, '%Map.prototype.size% yields the getter for it');
+	t.equal(GetIntrinsic('Map.prototype.size'), actual.get, 'Map.prototype.size yields the getter for it');
+
+	t.end();
+});
+
+test('generator functions', { skip: !generatorFns.length }, function (t) {
+	var $GeneratorFunction = GetIntrinsic('%GeneratorFunction%');
+	var $GeneratorFunctionPrototype = GetIntrinsic('%Generator%');
+	var $GeneratorPrototype = GetIntrinsic('%GeneratorPrototype%');
+
+	forEach(generatorFns, function (genFn) {
+		var fnName = genFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'genFn';
+
+		t.ok(genFn instanceof $GeneratorFunction, fnName + ' instanceof %GeneratorFunction%');
+		t.ok($isProto($GeneratorFunctionPrototype, genFn), '%Generator% is prototype of ' + fnName);
+		t.ok($isProto($GeneratorPrototype, genFn.prototype), '%GeneratorPrototype% is prototype of ' + fnName + '.prototype');
+	});
+
+	t.end();
+});
+
+test('async functions', { skip: !asyncFns.length }, function (t) {
+	var $AsyncFunction = GetIntrinsic('%AsyncFunction%');
+	var $AsyncFunctionPrototype = GetIntrinsic('%AsyncFunctionPrototype%');
+
+	forEach(asyncFns, function (asyncFn) {
+		var fnName = asyncFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'asyncFn';
+
+		t.ok(asyncFn instanceof $AsyncFunction, fnName + ' instanceof %AsyncFunction%');
+		t.ok($isProto($AsyncFunctionPrototype, asyncFn), '%AsyncFunctionPrototype% is prototype of ' + fnName);
+	});
+
+	t.end();
+});
+
+test('async generator functions', { skip: asyncGenFns.length === 0 }, function (t) {
+	var $AsyncGeneratorFunction = GetIntrinsic('%AsyncGeneratorFunction%');
+	var $AsyncGeneratorFunctionPrototype = GetIntrinsic('%AsyncGenerator%');
+	var $AsyncGeneratorPrototype = GetIntrinsic('%AsyncGeneratorPrototype%');
+
+	forEach(asyncGenFns, function (asyncGenFn) {
+		var fnName = asyncGenFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'asyncGenFn';
+
+		t.ok(asyncGenFn instanceof $AsyncGeneratorFunction, fnName + ' instanceof %AsyncGeneratorFunction%');
+		t.ok($isProto($AsyncGeneratorFunctionPrototype, asyncGenFn), '%AsyncGenerator% is prototype of ' + fnName);
+		t.ok($isProto($AsyncGeneratorPrototype, asyncGenFn.prototype), '%AsyncGeneratorPrototype% is prototype of ' + fnName + '.prototype');
+	});
+
+	t.end();
+});
+
+test('%ThrowTypeError%', function (t) {
+	var $ThrowTypeError = GetIntrinsic('%ThrowTypeError%');
+
+	t.equal(typeof $ThrowTypeError, 'function', 'is a function');
+	t['throws'](
+		$ThrowTypeError,
+		TypeError,
+		'%ThrowTypeError% throws a TypeError'
+	);
+
+	t.end();
+});
+
+test('allowMissing', { skip: asyncGenFns.length > 0 }, function (t) {
+	t['throws'](
+		function () { GetIntrinsic('%AsyncGeneratorPrototype%'); },
+		TypeError,
+		'throws when missing'
+	);
+
+	t.equal(
+		GetIntrinsic('%AsyncGeneratorPrototype%', true),
+		undefined,
+		'does not throw when allowMissing'
+	);
+
+	t.end();
+});
diff --git a/web/public/node_modules/gopd/.eslintrc b/web/public/node_modules/gopd/.eslintrc
new file mode 100644
index 000000000..e2550c0fb
--- /dev/null
+++ b/web/public/node_modules/gopd/.eslintrc
@@ -0,0 +1,16 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-style": [2, "declaration"],
+		"id-length": 0,
+		"multiline-comment-style": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+	},
+}
diff --git a/web/public/node_modules/gopd/.github/FUNDING.yml b/web/public/node_modules/gopd/.github/FUNDING.yml
new file mode 100644
index 000000000..94a44a8e8
--- /dev/null
+++ b/web/public/node_modules/gopd/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/gopd
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/gopd/CHANGELOG.md b/web/public/node_modules/gopd/CHANGELOG.md
new file mode 100644
index 000000000..f111eb178
--- /dev/null
+++ b/web/public/node_modules/gopd/CHANGELOG.md
@@ -0,0 +1,25 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.1](https://github.com/ljharb/gopd/compare/v1.0.0...v1.0.1) - 2022-11-01
+
+### Commits
+
+- [Fix] actually export gOPD instead of dP [`4b624bf`](https://github.com/ljharb/gopd/commit/4b624bfbeff788c5e3ff16d9443a83627847234f)
+
+## v1.0.0 - 2022-11-01
+
+### Commits
+
+- Initial implementation, tests, readme [`0911e01`](https://github.com/ljharb/gopd/commit/0911e012cd642092bd88b732c161c58bf4f20bea)
+- Initial commit [`b84e33f`](https://github.com/ljharb/gopd/commit/b84e33f5808a805ac57ff88d4247ad935569acbe)
+- [actions] add reusable workflows [`12ae28a`](https://github.com/ljharb/gopd/commit/12ae28ae5f50f86e750215b6e2188901646d0119)
+- npm init [`280118b`](https://github.com/ljharb/gopd/commit/280118badb45c80b4483836b5cb5315bddf6e582)
+- [meta] add `auto-changelog` [`bb78de5`](https://github.com/ljharb/gopd/commit/bb78de5639a180747fb290c28912beaaf1615709)
+- [meta] create FUNDING.yml; add `funding` in package.json [`11c22e6`](https://github.com/ljharb/gopd/commit/11c22e6355bb01f24e7fac4c9bb3055eb5b25002)
+- [meta] use `npmignore` to autogenerate an npmignore file [`4f4537a`](https://github.com/ljharb/gopd/commit/4f4537a843b39f698c52f072845092e6fca345bb)
+- Only apps should have lockfiles [`c567022`](https://github.com/ljharb/gopd/commit/c567022a18573aa7951cf5399445d9840e23e98b)
diff --git a/web/public/node_modules/gopd/LICENSE b/web/public/node_modules/gopd/LICENSE
new file mode 100644
index 000000000..6abfe1434
--- /dev/null
+++ b/web/public/node_modules/gopd/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/gopd/README.md b/web/public/node_modules/gopd/README.md
new file mode 100644
index 000000000..784e56a09
--- /dev/null
+++ b/web/public/node_modules/gopd/README.md
@@ -0,0 +1,40 @@
+# gopd <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
+
+## Usage
+
+```javascript
+var gOPD = require('gopd');
+var assert = require('assert');
+
+if (gOPD) {
+	assert.equal(typeof gOPD, 'function', 'descriptors supported');
+	// use gOPD like Object.getOwnPropertyDescriptor here
+} else {
+	assert.ok(!gOPD, 'descriptors not supported');
+}
+```
+
+[package-url]: https://npmjs.org/package/gopd
+[npm-version-svg]: https://versionbadg.es/ljharb/gopd.svg
+[deps-svg]: https://david-dm.org/ljharb/gopd.svg
+[deps-url]: https://david-dm.org/ljharb/gopd
+[dev-deps-svg]: https://david-dm.org/ljharb/gopd/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/gopd#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/gopd.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/gopd.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/gopd.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=gopd
+[codecov-image]: https://codecov.io/gh/ljharb/gopd/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/gopd/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/gopd
+[actions-url]: https://github.com/ljharb/gopd/actions
diff --git a/web/public/node_modules/gopd/index.js b/web/public/node_modules/gopd/index.js
new file mode 100644
index 000000000..fb6d3bbef
--- /dev/null
+++ b/web/public/node_modules/gopd/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true);
+
+if ($gOPD) {
+	try {
+		$gOPD([], 'length');
+	} catch (e) {
+		// IE 8 has a broken gOPD
+		$gOPD = null;
+	}
+}
+
+module.exports = $gOPD;
diff --git a/web/public/node_modules/gopd/package.json b/web/public/node_modules/gopd/package.json
new file mode 100644
index 000000000..d5e1fa4a2
--- /dev/null
+++ b/web/public/node_modules/gopd/package.json
@@ -0,0 +1,71 @@
+{
+	"name": "gopd",
+	"version": "1.0.1",
+	"description": "`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "evalmd README.md",
+		"pretest": "npm run lint",
+		"tests-only": "tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/gopd.git"
+	},
+	"keywords": [
+		"ecmascript",
+		"javascript",
+		"getownpropertydescriptor",
+		"property",
+		"descriptor"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/gopd/issues"
+	},
+	"homepage": "https://github.com/ljharb/gopd#readme",
+	"dependencies": {
+		"get-intrinsic": "^1.1.3"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.0.0",
+		"aud": "^2.0.1",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.6.1"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/web/public/node_modules/gopd/test/index.js b/web/public/node_modules/gopd/test/index.js
new file mode 100644
index 000000000..0376bfbad
--- /dev/null
+++ b/web/public/node_modules/gopd/test/index.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var test = require('tape');
+var gOPD = require('../');
+
+test('gOPD', function (t) {
+	t.test('supported', { skip: !gOPD }, function (st) {
+		st.equal(typeof gOPD, 'function', 'is a function');
+
+		var obj = { x: 1 };
+		st.ok('x' in obj, 'property exists');
+
+		var desc = gOPD(obj, 'x');
+		st.deepEqual(
+			desc,
+			{
+				configurable: true,
+				enumerable: true,
+				value: 1,
+				writable: true
+			},
+			'descriptor is as expected'
+		);
+
+		st.end();
+	});
+
+	t.test('not supported', { skip: gOPD }, function (st) {
+		st.notOk(gOPD, 'is falsy');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/web/public/node_modules/has-flag/index.d.ts b/web/public/node_modules/has-flag/index.d.ts
new file mode 100644
index 000000000..a0a48c891
--- /dev/null
+++ b/web/public/node_modules/has-flag/index.d.ts
@@ -0,0 +1,39 @@
+/**
+Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag.
+
+@param flag - CLI flag to look for. The `--` prefix is optional.
+@param argv - CLI arguments. Default: `process.argv`.
+@returns Whether the flag exists.
+
+@example
+```
+// $ ts-node foo.ts -f --unicorn --foo=bar -- --rainbow
+
+// foo.ts
+import hasFlag = require('has-flag');
+
+hasFlag('unicorn');
+//=> true
+
+hasFlag('--unicorn');
+//=> true
+
+hasFlag('f');
+//=> true
+
+hasFlag('-f');
+//=> true
+
+hasFlag('foo=bar');
+//=> true
+
+hasFlag('foo');
+//=> false
+
+hasFlag('rainbow');
+//=> false
+```
+*/
+declare function hasFlag(flag: string, argv?: string[]): boolean;
+
+export = hasFlag;
diff --git a/web/public/node_modules/has-flag/index.js b/web/public/node_modules/has-flag/index.js
new file mode 100644
index 000000000..b6f80b1f8
--- /dev/null
+++ b/web/public/node_modules/has-flag/index.js
@@ -0,0 +1,8 @@
+'use strict';
+
+module.exports = (flag, argv = process.argv) => {
+	const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--');
+	const position = argv.indexOf(prefix + flag);
+	const terminatorPosition = argv.indexOf('--');
+	return position !== -1 && (terminatorPosition === -1 || position < terminatorPosition);
+};
diff --git a/web/public/node_modules/has-flag/license b/web/public/node_modules/has-flag/license
new file mode 100644
index 000000000..e7af2f771
--- /dev/null
+++ b/web/public/node_modules/has-flag/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/has-flag/package.json b/web/public/node_modules/has-flag/package.json
new file mode 100644
index 000000000..a9cba4b85
--- /dev/null
+++ b/web/public/node_modules/has-flag/package.json
@@ -0,0 +1,46 @@
+{
+	"name": "has-flag",
+	"version": "4.0.0",
+	"description": "Check if argv has a specific flag",
+	"license": "MIT",
+	"repository": "sindresorhus/has-flag",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"has",
+		"check",
+		"detect",
+		"contains",
+		"find",
+		"flag",
+		"cli",
+		"command-line",
+		"argv",
+		"process",
+		"arg",
+		"args",
+		"argument",
+		"arguments",
+		"getopt",
+		"minimist",
+		"optimist"
+	],
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
+	}
+}
diff --git a/web/public/node_modules/has-flag/readme.md b/web/public/node_modules/has-flag/readme.md
new file mode 100644
index 000000000..3f72dff29
--- /dev/null
+++ b/web/public/node_modules/has-flag/readme.md
@@ -0,0 +1,89 @@
+# has-flag [![Build Status](https://travis-ci.org/sindresorhus/has-flag.svg?branch=master)](https://travis-ci.org/sindresorhus/has-flag)
+
+> Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag
+
+Correctly stops looking after an `--` argument terminator.
+
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-has-flag?utm_source=npm-has-flag&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>
+
+---
+
+
+## Install
+
+```
+$ npm install has-flag
+```
+
+
+## Usage
+
+```js
+// foo.js
+const hasFlag = require('has-flag');
+
+hasFlag('unicorn');
+//=> true
+
+hasFlag('--unicorn');
+//=> true
+
+hasFlag('f');
+//=> true
+
+hasFlag('-f');
+//=> true
+
+hasFlag('foo=bar');
+//=> true
+
+hasFlag('foo');
+//=> false
+
+hasFlag('rainbow');
+//=> false
+```
+
+```
+$ node foo.js -f --unicorn --foo=bar -- --rainbow
+```
+
+
+## API
+
+### hasFlag(flag, [argv])
+
+Returns a boolean for whether the flag exists.
+
+#### flag
+
+Type: `string`
+
+CLI flag to look for. The `--` prefix is optional.
+
+#### argv
+
+Type: `string[]`<br>
+Default: `process.argv`
+
+CLI arguments.
+
+
+## Security
+
+To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/web/public/node_modules/has-property-descriptors/.eslintrc b/web/public/node_modules/has-property-descriptors/.eslintrc
new file mode 100644
index 000000000..2fcc002b0
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/.eslintrc
@@ -0,0 +1,13 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"id-length": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": ["GetIntrinsic"],
+		}],
+	},
+}
diff --git a/web/public/node_modules/has-property-descriptors/.github/FUNDING.yml b/web/public/node_modules/has-property-descriptors/.github/FUNDING.yml
new file mode 100644
index 000000000..817aacf1f
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/has-property-descriptors
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/has-property-descriptors/.nycrc b/web/public/node_modules/has-property-descriptors/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/has-property-descriptors/CHANGELOG.md b/web/public/node_modules/has-property-descriptors/CHANGELOG.md
new file mode 100644
index 000000000..19c8a959c
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/CHANGELOG.md
@@ -0,0 +1,35 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.2](https://github.com/inspect-js/has-property-descriptors/compare/v1.0.1...v1.0.2) - 2024-02-12
+
+### Commits
+
+- [Refactor] use `es-define-property` [`f93a8c8`](https://github.com/inspect-js/has-property-descriptors/commit/f93a8c85eba70cbceab500f2619fb5cce73a1805)
+- [Dev Deps] update `aud`, `npmignore`, `tape` [`42b0c9d`](https://github.com/inspect-js/has-property-descriptors/commit/42b0c9d1c23e747755f0f2924923c418ea34a9ee)
+- [Deps] update `get-intrinsic` [`35e9b46`](https://github.com/inspect-js/has-property-descriptors/commit/35e9b46a7f14331bf0de98b644dd803676746037)
+
+## [v1.0.1](https://github.com/inspect-js/has-property-descriptors/compare/v1.0.0...v1.0.1) - 2023-10-20
+
+### Commits
+
+- [meta] use `npmignore` to autogenerate an npmignore file [`5bbf4da`](https://github.com/inspect-js/has-property-descriptors/commit/5bbf4dae1b58950d87bb3af508bee7513e640868)
+- [actions] update rebase action to use reusable workflow [`3a5585b`](https://github.com/inspect-js/has-property-descriptors/commit/3a5585bf74988f71a8f59e67a07d594e62c51fd8)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`e5c1212`](https://github.com/inspect-js/has-property-descriptors/commit/e5c1212048a8fda549794c47863724ca60b89cae)
+- [Dev Deps] update `aud`, `tape` [`e942917`](https://github.com/inspect-js/has-property-descriptors/commit/e942917b6c2f7c090d5623048989cf20d0834ebf)
+- [Deps] update `get-intrinsic` [`f4a44ec`](https://github.com/inspect-js/has-property-descriptors/commit/f4a44ec6d94146fa6c550d3c15c31a2062c83ef4)
+- [Deps] update `get-intrinsic` [`eeb275b`](https://github.com/inspect-js/has-property-descriptors/commit/eeb275b473e5d72ca843b61ca25cfcb06a5d4300)
+
+## v1.0.0 - 2022-04-14
+
+### Commits
+
+- Initial implementation, tests [`303559f`](https://github.com/inspect-js/has-property-descriptors/commit/303559f2a72dfe7111573a1aec475ed4a184c35a)
+- Initial commit [`3a7ca2d`](https://github.com/inspect-js/has-property-descriptors/commit/3a7ca2dc49f1fff0279a28bb16265e7615e14749)
+- read me [`dd73dce`](https://github.com/inspect-js/has-property-descriptors/commit/dd73dce09d89d0f7a4a6e3b1e562a506f979a767)
+- npm init [`c1e6557`](https://github.com/inspect-js/has-property-descriptors/commit/c1e655779de632d68cb944c50da6b71bcb7b8c85)
+- Only apps should have lockfiles [`e72f7c6`](https://github.com/inspect-js/has-property-descriptors/commit/e72f7c68de534b2d273ee665f8b18d4ecc7f70b0)
diff --git a/web/public/node_modules/has-property-descriptors/LICENSE b/web/public/node_modules/has-property-descriptors/LICENSE
new file mode 100644
index 000000000..2e7b9a3ea
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Inspect JS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/has-property-descriptors/README.md b/web/public/node_modules/has-property-descriptors/README.md
new file mode 100644
index 000000000..d81fbd99e
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/README.md
@@ -0,0 +1,43 @@
+# has-property-descriptors <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
+
+## Example
+
+```js
+var hasPropertyDescriptors = require('has-property-descriptors');
+var assert = require('assert');
+
+assert.equal(hasPropertyDescriptors(), true); // will be `false` in IE 6-8, and ES5 engines
+
+// Arrays can not have their length `[[Defined]]` in some engines
+assert.equal(hasPropertyDescriptors.hasArrayLengthDefineBug(), false); // will be `true` in Firefox 4-22, and node v0.6
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/has-property-descriptors
+[npm-version-svg]: https://versionbadg.es/inspect-js/has-property-descriptors.svg
+[deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors.svg
+[deps-url]: https://david-dm.org/inspect-js/has-property-descriptors
+[dev-deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/has-property-descriptors#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/has-property-descriptors.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/has-property-descriptors.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/has-property-descriptors.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=has-property-descriptors
+[codecov-image]: https://codecov.io/gh/inspect-js/has-property-descriptors/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/has-property-descriptors/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-property-descriptors
+[actions-url]: https://github.com/inspect-js/has-property-descriptors/actions
diff --git a/web/public/node_modules/has-property-descriptors/index.js b/web/public/node_modules/has-property-descriptors/index.js
new file mode 100644
index 000000000..04804379c
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var $defineProperty = require('es-define-property');
+
+var hasPropertyDescriptors = function hasPropertyDescriptors() {
+	return !!$defineProperty;
+};
+
+hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() {
+	// node v0.6 has a bug where array lengths can be Set but not Defined
+	if (!$defineProperty) {
+		return null;
+	}
+	try {
+		return $defineProperty([], 'length', { value: 1 }).length !== 1;
+	} catch (e) {
+		// In Firefox 4-22, defining length on an array throws an exception.
+		return true;
+	}
+};
+
+module.exports = hasPropertyDescriptors;
diff --git a/web/public/node_modules/has-property-descriptors/package.json b/web/public/node_modules/has-property-descriptors/package.json
new file mode 100644
index 000000000..7e70218b4
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/package.json
@@ -0,0 +1,77 @@
+{
+	"name": "has-property-descriptors",
+	"version": "1.0.2",
+	"description": "Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run lint",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/has-property-descriptors.git"
+	},
+	"keywords": [
+		"property",
+		"descriptors",
+		"has",
+		"environment",
+		"env",
+		"defineProperty",
+		"getOwnPropertyDescriptor"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/has-property-descriptors/issues"
+	},
+	"homepage": "https://github.com/inspect-js/has-property-descriptors#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.4"
+	},
+	"dependencies": {
+		"es-define-property": "^1.0.0"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/web/public/node_modules/has-property-descriptors/test/index.js b/web/public/node_modules/has-property-descriptors/test/index.js
new file mode 100644
index 000000000..7f02bd3e6
--- /dev/null
+++ b/web/public/node_modules/has-property-descriptors/test/index.js
@@ -0,0 +1,57 @@
+'use strict';
+
+var test = require('tape');
+
+var hasPropertyDescriptors = require('../');
+
+var sentinel = {};
+
+test('hasPropertyDescriptors', function (t) {
+	t.equal(typeof hasPropertyDescriptors, 'function', 'is a function');
+	t.equal(typeof hasPropertyDescriptors.hasArrayLengthDefineBug, 'function', '`hasArrayLengthDefineBug` property is a function');
+
+	var yes = hasPropertyDescriptors();
+	t.test('property descriptors', { skip: !yes }, function (st) {
+		var o = { a: sentinel };
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(o, 'a'),
+			{
+				configurable: true,
+				enumerable: true,
+				value: sentinel,
+				writable: true
+			},
+			'has expected property descriptor'
+		);
+
+		Object.defineProperty(o, 'a', { enumerable: false, writable: false });
+
+		st.deepEqual(
+			Object.getOwnPropertyDescriptor(o, 'a'),
+			{
+				configurable: true,
+				enumerable: false,
+				value: sentinel,
+				writable: false
+			},
+			'has expected property descriptor after [[Define]]'
+		);
+
+		st.end();
+	});
+
+	var arrayBug = hasPropertyDescriptors.hasArrayLengthDefineBug();
+	t.test('defining array lengths', { skip: !yes || arrayBug }, function (st) {
+		var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays
+		st.equal(arr.length, 3, 'array starts with length 3');
+
+		Object.defineProperty(arr, 'length', { value: 5 });
+
+		st.equal(arr.length, 5, 'array ends with length 5');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/web/public/node_modules/has-proto/.eslintrc b/web/public/node_modules/has-proto/.eslintrc
new file mode 100644
index 000000000..3b5d9e90e
--- /dev/null
+++ b/web/public/node_modules/has-proto/.eslintrc
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
diff --git a/web/public/node_modules/has-proto/.github/FUNDING.yml b/web/public/node_modules/has-proto/.github/FUNDING.yml
new file mode 100644
index 000000000..613705c7e
--- /dev/null
+++ b/web/public/node_modules/has-proto/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/has-proto
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/has-proto/CHANGELOG.md b/web/public/node_modules/has-proto/CHANGELOG.md
new file mode 100644
index 000000000..6690f28e6
--- /dev/null
+++ b/web/public/node_modules/has-proto/CHANGELOG.md
@@ -0,0 +1,38 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.3](https://github.com/inspect-js/has-proto/compare/v1.0.2...v1.0.3) - 2024-02-19
+
+### Commits
+
+- [types] add missing declaration file [`26ecade`](https://github.com/inspect-js/has-proto/commit/26ecade05d253bb5dc376945ee3186d1fbe334f8)
+
+## [v1.0.2](https://github.com/inspect-js/has-proto/compare/v1.0.1...v1.0.2) - 2024-02-19
+
+### Commits
+
+- add types [`6435262`](https://github.com/inspect-js/has-proto/commit/64352626cf511c0276d5f4bb6be770a0bf0f8524)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `npmignore`, `tape` [`f16a5e4`](https://github.com/inspect-js/has-proto/commit/f16a5e4121651e551271419f9d60fdd3561fd82c)
+- [Refactor] tiny cleanup [`d1f1a4b`](https://github.com/inspect-js/has-proto/commit/d1f1a4bdc135f115a10f148ce302676224534702)
+- [meta] add `sideEffects` flag [`e7ab1a6`](https://github.com/inspect-js/has-proto/commit/e7ab1a6f153b3e80dee68d1748b71e46767a0531)
+
+## [v1.0.1](https://github.com/inspect-js/has-proto/compare/v1.0.0...v1.0.1) - 2022-12-21
+
+### Commits
+
+- [meta] correct URLs and description [`ef34483`](https://github.com/inspect-js/has-proto/commit/ef34483ca0d35680f271b6b96e35526151b25dfc)
+- [patch] add an additional criteria [`e81959e`](https://github.com/inspect-js/has-proto/commit/e81959ed7c7a77fbf459f00cb4ef824f1099497f)
+- [Dev Deps] update `aud` [`2bec2c4`](https://github.com/inspect-js/has-proto/commit/2bec2c47b072b122ff5443fba0263f6dc649531f)
+
+## v1.0.0 - 2022-12-12
+
+### Commits
+
+- Initial implementation, tests, readme [`6886fea`](https://github.com/inspect-js/has-proto/commit/6886fea578f67daf69a7920b2eb7637ea6ebb0bc)
+- Initial commit [`99129c8`](https://github.com/inspect-js/has-proto/commit/99129c8f42471ac89cb681ba9cb9d52a583eb94f)
+- npm init [`2844ad8`](https://github.com/inspect-js/has-proto/commit/2844ad8e75b84d66a46765b3bab9d2e8ea692e10)
+- Only apps should have lockfiles [`c65bc5e`](https://github.com/inspect-js/has-proto/commit/c65bc5e40b9004463f7336d47c67245fb139a36a)
diff --git a/web/public/node_modules/has-proto/LICENSE b/web/public/node_modules/has-proto/LICENSE
new file mode 100644
index 000000000..2e7b9a3ea
--- /dev/null
+++ b/web/public/node_modules/has-proto/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Inspect JS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/has-proto/README.md b/web/public/node_modules/has-proto/README.md
new file mode 100644
index 000000000..145676547
--- /dev/null
+++ b/web/public/node_modules/has-proto/README.md
@@ -0,0 +1,38 @@
+# has-proto <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Does this environment have the ability to set the [[Prototype]] of an object on creation with `__proto__`?
+
+## Example
+
+```js
+var hasProto = require('has-proto');
+var assert = require('assert');
+
+assert.equal(typeof hasProto(), 'boolean');
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/has-proto
+[npm-version-svg]: https://versionbadg.es/inspect-js/has-proto.svg
+[deps-svg]: https://david-dm.org/inspect-js/has-proto.svg
+[deps-url]: https://david-dm.org/inspect-js/has-proto
+[dev-deps-svg]: https://david-dm.org/inspect-js/has-proto/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/has-proto#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/has-proto.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/has-proto.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/has-proto.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=has-proto
+[codecov-image]: https://codecov.io/gh/inspect-js/has-proto/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/has-proto/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-proto
+[actions-url]: https://github.com/inspect-js/has-proto/actions
diff --git a/web/public/node_modules/has-proto/index.d.ts b/web/public/node_modules/has-proto/index.d.ts
new file mode 100644
index 000000000..cfed6951b
--- /dev/null
+++ b/web/public/node_modules/has-proto/index.d.ts
@@ -0,0 +1,3 @@
+declare function hasProto(): boolean;
+
+export = hasProto;
\ No newline at end of file
diff --git a/web/public/node_modules/has-proto/index.js b/web/public/node_modules/has-proto/index.js
new file mode 100644
index 000000000..d3c8a0afd
--- /dev/null
+++ b/web/public/node_modules/has-proto/index.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var test = {
+	__proto__: null,
+	foo: {}
+};
+
+var $Object = Object;
+
+/** @type {import('.')} */
+module.exports = function hasProto() {
+	// @ts-expect-error: TS errors on an inherited property for some reason
+	return { __proto__: test }.foo === test.foo
+		&& !(test instanceof $Object);
+};
diff --git a/web/public/node_modules/has-proto/package.json b/web/public/node_modules/has-proto/package.json
new file mode 100644
index 000000000..9d37e4ed1
--- /dev/null
+++ b/web/public/node_modules/has-proto/package.json
@@ -0,0 +1,78 @@
+{
+	"name": "has-proto",
+	"version": "1.0.3",
+	"description": "Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p .",
+		"pretest": "npm run lint",
+		"tests-only": "tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/has-proto.git"
+	},
+	"keywords": [
+		"prototype",
+		"proto",
+		"set",
+		"get",
+		"__proto__",
+		"getPrototypeOf",
+		"setPrototypeOf",
+		"has"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/has-proto/issues"
+	},
+	"homepage": "https://github.com/inspect-js/has-proto#readme",
+	"testling": {
+		"files": "test/index.js"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/web/public/node_modules/has-proto/test/index.js b/web/public/node_modules/has-proto/test/index.js
new file mode 100644
index 000000000..5da1a3aa6
--- /dev/null
+++ b/web/public/node_modules/has-proto/test/index.js
@@ -0,0 +1,19 @@
+'use strict';
+
+var test = require('tape');
+var hasProto = require('../');
+
+test('hasProto', function (t) {
+	var result = hasProto();
+	t.equal(typeof result, 'boolean', 'returns a boolean (' + result + ')');
+
+	var obj = { __proto__: null };
+	if (result) {
+		t.notOk('toString' in obj, 'null object lacks toString');
+	} else {
+		t.ok('toString' in obj, 'without proto, null object has toString');
+		t.equal(obj.__proto__, null); // eslint-disable-line no-proto
+	}
+
+	t.end();
+});
diff --git a/web/public/node_modules/has-proto/tsconfig.json b/web/public/node_modules/has-proto/tsconfig.json
new file mode 100644
index 000000000..2002ce5a5
--- /dev/null
+++ b/web/public/node_modules/has-proto/tsconfig.json
@@ -0,0 +1,49 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+
+    /* Language and Environment */
+    "target": "ESNext",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    "useDefineForClassFields": true,                     /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    "typeRoots": ["types"],                              /* Specify multiple folders that act like './node_modules/@types'. */
+    "resolveJsonModule": true,                           /* Enable importing .json files. */
+    // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
+
+    /* JavaScript Support */
+    "allowJs": true,                                     /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    "checkJs": true,                                     /* Enable error reporting in type-checked JavaScript files. */
+    "maxNodeModuleJsDepth": 0,                           /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    "declaration": true,                                 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    "declarationMap": true,                              /* Create sourcemaps for d.ts files. */
+    "noEmit": true,                                      /* Disable emitting files from a compilation. */
+
+    /* Interop Constraints */
+    "allowSyntheticDefaultImports": true,                /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+
+    /* Completeness */
+    //"skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  },
+  "exclude": [
+    "coverage"
+  ]
+}
diff --git a/web/public/node_modules/has-symbols/.eslintrc b/web/public/node_modules/has-symbols/.eslintrc
new file mode 100644
index 000000000..2d9a66a8a
--- /dev/null
+++ b/web/public/node_modules/has-symbols/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-magic-numbers": 0,
+		"multiline-comment-style": 0,
+	}
+}
diff --git a/web/public/node_modules/has-symbols/.github/FUNDING.yml b/web/public/node_modules/has-symbols/.github/FUNDING.yml
new file mode 100644
index 000000000..04cf87e66
--- /dev/null
+++ b/web/public/node_modules/has-symbols/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/has-symbols
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/has-symbols/.nycrc b/web/public/node_modules/has-symbols/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/web/public/node_modules/has-symbols/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/has-symbols/CHANGELOG.md b/web/public/node_modules/has-symbols/CHANGELOG.md
new file mode 100644
index 000000000..cd532a2b4
--- /dev/null
+++ b/web/public/node_modules/has-symbols/CHANGELOG.md
@@ -0,0 +1,75 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.3](https://github.com/inspect-js/has-symbols/compare/v1.0.2...v1.0.3) - 2022-03-01
+
+### Commits
+
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`518b28f`](https://github.com/inspect-js/has-symbols/commit/518b28f6c5a516cbccae30794e40aa9f738b1693)
+- [meta] add `bugs` and `homepage` fields; reorder package.json [`c480b13`](https://github.com/inspect-js/has-symbols/commit/c480b13fd6802b557e1cef9749872cb5fdeef744)
+- [actions] reuse common workflows [`01d0ee0`](https://github.com/inspect-js/has-symbols/commit/01d0ee0a8d97c0947f5edb73eb722027a77b2b07)
+- [actions] update codecov uploader [`6424ebe`](https://github.com/inspect-js/has-symbols/commit/6424ebe86b2c9c7c3d2e9bd4413a4e4f168cb275)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`dfa7e7f`](https://github.com/inspect-js/has-symbols/commit/dfa7e7ff38b594645d8c8222aab895157fa7e282)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`0c8d436`](https://github.com/inspect-js/has-symbols/commit/0c8d43685c45189cea9018191d4fd7eca91c9d02)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`9026554`](https://github.com/inspect-js/has-symbols/commit/902655442a1bf88e72b42345494ef0c60f5d36ab)
+- [readme] add actions and codecov badges [`eaa9682`](https://github.com/inspect-js/has-symbols/commit/eaa9682f990f481d3acf7a1c7600bec36f7b3adc)
+- [Dev Deps] update `eslint`, `tape` [`bc7a3ba`](https://github.com/inspect-js/has-symbols/commit/bc7a3ba46f27b7743f8a2579732d59d1b9ac791e)
+- [Dev Deps] update `eslint`, `auto-changelog` [`0ace00a`](https://github.com/inspect-js/has-symbols/commit/0ace00af08a88cdd1e6ce0d60357d941c60c2d9f)
+- [meta] use `prepublishOnly` script for npm 7+ [`093f72b`](https://github.com/inspect-js/has-symbols/commit/093f72bc2b0ed00c781f444922a5034257bf561d)
+- [Tests] test on all 16 minors [`9b80d3d`](https://github.com/inspect-js/has-symbols/commit/9b80d3d9102529f04c20ec5b1fcc6e38426c6b03)
+
+## [v1.0.2](https://github.com/inspect-js/has-symbols/compare/v1.0.1...v1.0.2) - 2021-02-27
+
+### Fixed
+
+- [Fix] use a universal way to get the original Symbol [`#11`](https://github.com/inspect-js/has-symbols/issues/11)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`90ae798`](https://github.com/inspect-js/has-symbols/commit/90ae79820bdfe7bc703d67f5f3c5e205f98556d3)
+- [meta] do not publish github action workflow files [`29e60a1`](https://github.com/inspect-js/has-symbols/commit/29e60a1b7c25c7f1acf7acff4a9320d0d10c49b4)
+- [Tests] run `nyc` on all tests [`8476b91`](https://github.com/inspect-js/has-symbols/commit/8476b915650d360915abe2522505abf4b0e8f0ae)
+- [readme] fix repo URLs, remove defunct badges [`126288e`](https://github.com/inspect-js/has-symbols/commit/126288ecc1797c0a40247a6b78bcb2e0bc5d7036)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `core-js`, `get-own-property-symbols` [`d84bdfa`](https://github.com/inspect-js/has-symbols/commit/d84bdfa48ac5188abbb4904b42614cd6c030940a)
+- [Tests] fix linting errors [`0df3070`](https://github.com/inspect-js/has-symbols/commit/0df3070b981b6c9f2ee530c09189a7f5c6def839)
+- [actions] add "Allow Edits" workflow [`1e6bc29`](https://github.com/inspect-js/has-symbols/commit/1e6bc29b188f32b9648657b07eda08504be5aa9c)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`36cea2a`](https://github.com/inspect-js/has-symbols/commit/36cea2addd4e6ec435f35a2656b4e9ef82498e9b)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1278338`](https://github.com/inspect-js/has-symbols/commit/127833801865fbc2cc8979beb9ca869c7bfe8222)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1493254`](https://github.com/inspect-js/has-symbols/commit/1493254eda13db5fb8fc5e4a3e8324b3d196029d)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js` [`b090bf2`](https://github.com/inspect-js/has-symbols/commit/b090bf214d3679a30edc1e2d729d466ab5183e1d)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`4addb7a`](https://github.com/inspect-js/has-symbols/commit/4addb7ab4dc73f927ae99928d68817554fc21dc0)
+- [Dev Deps] update `auto-changelog`, `tape` [`81d0baf`](https://github.com/inspect-js/has-symbols/commit/81d0baf3816096a89a8558e8043895f7a7d10d8b)
+- [Dev Deps] update `auto-changelog`; add `aud` [`1a4e561`](https://github.com/inspect-js/has-symbols/commit/1a4e5612c25d91c3a03d509721d02630bc4fe3da)
+- [readme] remove unused testling URLs [`3000941`](https://github.com/inspect-js/has-symbols/commit/3000941f958046e923ed8152edb1ef4a599e6fcc)
+- [Tests] only audit prod deps [`692e974`](https://github.com/inspect-js/has-symbols/commit/692e9743c912410e9440207631a643a34b4741a1)
+- [Dev Deps] update `@ljharb/eslint-config` [`51c946c`](https://github.com/inspect-js/has-symbols/commit/51c946c7f6baa793ec5390bb5a45cdce16b4ba76)
+
+## [v1.0.1](https://github.com/inspect-js/has-symbols/compare/v1.0.0...v1.0.1) - 2019-11-16
+
+### Commits
+
+- [Tests] use shared travis-ci configs [`ce396c9`](https://github.com/inspect-js/has-symbols/commit/ce396c9419ff11c43d0da5d05cdbb79f7fb42229)
+- [Tests] up to `node` `v12.4`, `v11.15`, `v10.15`, `v9.11`, `v8.15`, `v7.10`, `v6.17`, `v4.9`; use `nvm install-latest-npm` [`0690732`](https://github.com/inspect-js/has-symbols/commit/0690732801f47ab429f39ba1962f522d5c462d6b)
+- [meta] add `auto-changelog` [`2163d0b`](https://github.com/inspect-js/has-symbols/commit/2163d0b7f36343076b8f947cd1667dd1750f26fc)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `safe-publish-latest`, `tape` [`8e0951f`](https://github.com/inspect-js/has-symbols/commit/8e0951f1a7a2e52068222b7bb73511761e6e4d9c)
+- [actions] add automatic rebasing / merge commit blocking [`b09cdb7`](https://github.com/inspect-js/has-symbols/commit/b09cdb7cd7ee39e7a769878f56e2d6066f5ccd1d)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `core-js`, `get-own-property-symbols`, `tape` [`1dd42cd`](https://github.com/inspect-js/has-symbols/commit/1dd42cd86183ed0c50f99b1062345c458babca91)
+- [meta] create FUNDING.yml [`aa57a17`](https://github.com/inspect-js/has-symbols/commit/aa57a17b19708906d1927f821ea8e73394d84ca4)
+- Only apps should have lockfiles [`a2d8bea`](https://github.com/inspect-js/has-symbols/commit/a2d8bea23a97d15c09eaf60f5b107fcf9a4d57aa)
+- [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops [`9e96cb7`](https://github.com/inspect-js/has-symbols/commit/9e96cb783746cbed0c10ef78e599a8eaa7ebe193)
+- [meta] add `funding` field [`a0b32cf`](https://github.com/inspect-js/has-symbols/commit/a0b32cf68e803f963c1639b6d47b0a9d6440bab0)
+- [Dev Deps] update `safe-publish-latest` [`cb9f0a5`](https://github.com/inspect-js/has-symbols/commit/cb9f0a521a3a1790f1064d437edd33bb6c3d6af0)
+
+## v1.0.0 - 2016-09-19
+
+### Commits
+
+- Tests. [`ecb6eb9`](https://github.com/inspect-js/has-symbols/commit/ecb6eb934e4883137f3f93b965ba5e0a98df430d)
+- package.json [`88a337c`](https://github.com/inspect-js/has-symbols/commit/88a337cee0864a0da35f5d19e69ff0ef0150e46a)
+- Initial commit [`42e1e55`](https://github.com/inspect-js/has-symbols/commit/42e1e5502536a2b8ac529c9443984acd14836b1c)
+- Initial implementation. [`33f5cc6`](https://github.com/inspect-js/has-symbols/commit/33f5cc6cdff86e2194b081ee842bfdc63caf43fb)
+- read me [`01f1170`](https://github.com/inspect-js/has-symbols/commit/01f1170188ff7cb1558aa297f6ba5b516c6d7b0c)
diff --git a/web/public/node_modules/has-symbols/LICENSE b/web/public/node_modules/has-symbols/LICENSE
new file mode 100644
index 000000000..df31cbf3c
--- /dev/null
+++ b/web/public/node_modules/has-symbols/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/has-symbols/README.md b/web/public/node_modules/has-symbols/README.md
new file mode 100644
index 000000000..33905f0fc
--- /dev/null
+++ b/web/public/node_modules/has-symbols/README.md
@@ -0,0 +1,46 @@
+# has-symbols <sup>[![Version Badge][2]][1]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][11]][1]
+
+Determine if the JS environment has Symbol support. Supports spec, or shams.
+
+## Example
+
+```js
+var hasSymbols = require('has-symbols');
+
+hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable.
+
+var hasSymbolsKinda = require('has-symbols/shams');
+hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec.
+```
+
+## Supported Symbol shams
+ - get-own-property-symbols [npm](https://www.npmjs.com/package/get-own-property-symbols) | [github](https://github.com/WebReflection/get-own-property-symbols)
+ - core-js [npm](https://www.npmjs.com/package/core-js) | [github](https://github.com/zloirock/core-js)
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[1]: https://npmjs.org/package/has-symbols
+[2]: https://versionbadg.es/inspect-js/has-symbols.svg
+[5]: https://david-dm.org/inspect-js/has-symbols.svg
+[6]: https://david-dm.org/inspect-js/has-symbols
+[7]: https://david-dm.org/inspect-js/has-symbols/dev-status.svg
+[8]: https://david-dm.org/inspect-js/has-symbols#info=devDependencies
+[11]: https://nodei.co/npm/has-symbols.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/has-symbols.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/has-symbols.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=has-symbols
+[codecov-image]: https://codecov.io/gh/inspect-js/has-symbols/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/has-symbols/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-symbols
+[actions-url]: https://github.com/inspect-js/has-symbols/actions
diff --git a/web/public/node_modules/has-symbols/index.js b/web/public/node_modules/has-symbols/index.js
new file mode 100644
index 000000000..17044fa21
--- /dev/null
+++ b/web/public/node_modules/has-symbols/index.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var origSymbol = typeof Symbol !== 'undefined' && Symbol;
+var hasSymbolSham = require('./shams');
+
+module.exports = function hasNativeSymbols() {
+	if (typeof origSymbol !== 'function') { return false; }
+	if (typeof Symbol !== 'function') { return false; }
+	if (typeof origSymbol('foo') !== 'symbol') { return false; }
+	if (typeof Symbol('bar') !== 'symbol') { return false; }
+
+	return hasSymbolSham();
+};
diff --git a/web/public/node_modules/has-symbols/package.json b/web/public/node_modules/has-symbols/package.json
new file mode 100644
index 000000000..fe7004a10
--- /dev/null
+++ b/web/public/node_modules/has-symbols/package.json
@@ -0,0 +1,101 @@
+{
+	"name": "has-symbols",
+	"version": "1.0.3",
+	"description": "Determine if the JS environment has Symbol support. Supports spec, or shams.",
+	"main": "index.js",
+	"scripts": {
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run --silent lint",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"tests-only": "npm run test:stock && npm run test:staging && npm run test:shams",
+		"test:stock": "nyc node test",
+		"test:staging": "nyc node --harmony --es-staging test",
+		"test:shams": "npm run --silent test:shams:getownpropertysymbols && npm run --silent test:shams:corejs",
+		"test:shams:corejs": "nyc node test/shams/core-js.js",
+		"test:shams:getownpropertysymbols": "nyc node test/shams/get-own-property-symbols.js",
+		"lint": "eslint --ext=js,mjs .",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/inspect-js/has-symbols.git"
+	},
+	"keywords": [
+		"Symbol",
+		"symbols",
+		"typeof",
+		"sham",
+		"polyfill",
+		"native",
+		"core-js",
+		"ES6"
+	],
+	"author": {
+		"name": "Jordan Harband",
+		"email": "ljharb@gmail.com",
+		"url": "http://ljharb.codes"
+	},
+	"contributors": [
+		{
+			"name": "Jordan Harband",
+			"email": "ljharb@gmail.com",
+			"url": "http://ljharb.codes"
+		}
+	],
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/has-symbols/issues"
+	},
+	"homepage": "https://github.com/ljharb/has-symbols#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^20.2.3",
+		"aud": "^2.0.0",
+		"auto-changelog": "^2.4.0",
+		"core-js": "^2.6.12",
+		"eslint": "=8.8.0",
+		"get-own-property-symbols": "^0.9.5",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.5.2"
+	},
+	"testling": {
+		"files": "test/index.js",
+		"browsers": [
+			"iexplore/6.0..latest",
+			"firefox/3.0..6.0",
+			"firefox/15.0..latest",
+			"firefox/nightly",
+			"chrome/4.0..10.0",
+			"chrome/20.0..latest",
+			"chrome/canary",
+			"opera/10.0..latest",
+			"opera/next",
+			"safari/4.0..latest",
+			"ipad/6.0..latest",
+			"iphone/6.0..latest",
+			"android-browser/4.2"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"greenkeeper": {
+		"ignore": [
+			"core-js"
+		]
+	}
+}
diff --git a/web/public/node_modules/has-symbols/shams.js b/web/public/node_modules/has-symbols/shams.js
new file mode 100644
index 000000000..1285210ef
--- /dev/null
+++ b/web/public/node_modules/has-symbols/shams.js
@@ -0,0 +1,42 @@
+'use strict';
+
+/* eslint complexity: [2, 18], max-statements: [2, 33] */
+module.exports = function hasSymbols() {
+	if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
+	if (typeof Symbol.iterator === 'symbol') { return true; }
+
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	if (typeof sym === 'string') { return false; }
+
+	if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
+	if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
+
+	// temp disabled per https://github.com/ljharb/object.assign/issues/17
+	// if (sym instanceof Symbol) { return false; }
+	// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
+	// if (!(symObj instanceof Symbol)) { return false; }
+
+	// if (typeof Symbol.prototype.toString !== 'function') { return false; }
+	// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop
+	if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
+
+	if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
+
+	var syms = Object.getOwnPropertySymbols(obj);
+	if (syms.length !== 1 || syms[0] !== sym) { return false; }
+
+	if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
+
+	if (typeof Object.getOwnPropertyDescriptor === 'function') {
+		var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
+		if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
+	}
+
+	return true;
+};
diff --git a/web/public/node_modules/has-symbols/test/index.js b/web/public/node_modules/has-symbols/test/index.js
new file mode 100644
index 000000000..352129ca3
--- /dev/null
+++ b/web/public/node_modules/has-symbols/test/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var test = require('tape');
+var hasSymbols = require('../');
+var runSymbolTests = require('./tests');
+
+test('interface', function (t) {
+	t.equal(typeof hasSymbols, 'function', 'is a function');
+	t.equal(typeof hasSymbols(), 'boolean', 'returns a boolean');
+	t.end();
+});
+
+test('Symbols are supported', { skip: !hasSymbols() }, function (t) {
+	runSymbolTests(t);
+	t.end();
+});
+
+test('Symbols are not supported', { skip: hasSymbols() }, function (t) {
+	t.equal(typeof Symbol, 'undefined', 'global Symbol is undefined');
+	t.equal(typeof Object.getOwnPropertySymbols, 'undefined', 'Object.getOwnPropertySymbols does not exist');
+	t.end();
+});
diff --git a/web/public/node_modules/has-symbols/test/shams/core-js.js b/web/public/node_modules/has-symbols/test/shams/core-js.js
new file mode 100644
index 000000000..df5365c23
--- /dev/null
+++ b/web/public/node_modules/has-symbols/test/shams/core-js.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var test = require('tape');
+
+if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
+	test('has native Symbol support', function (t) {
+		t.equal(typeof Symbol, 'function');
+		t.equal(typeof Symbol(), 'symbol');
+		t.end();
+	});
+	return;
+}
+
+var hasSymbols = require('../../shams');
+
+test('polyfilled Symbols', function (t) {
+	/* eslint-disable global-require */
+	t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
+	require('core-js/fn/symbol');
+	require('core-js/fn/symbol/to-string-tag');
+
+	require('../tests')(t);
+
+	var hasSymbolsAfter = hasSymbols();
+	t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
+	/* eslint-enable global-require */
+	t.end();
+});
diff --git a/web/public/node_modules/has-symbols/test/shams/get-own-property-symbols.js b/web/public/node_modules/has-symbols/test/shams/get-own-property-symbols.js
new file mode 100644
index 000000000..9191b248b
--- /dev/null
+++ b/web/public/node_modules/has-symbols/test/shams/get-own-property-symbols.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var test = require('tape');
+
+if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
+	test('has native Symbol support', function (t) {
+		t.equal(typeof Symbol, 'function');
+		t.equal(typeof Symbol(), 'symbol');
+		t.end();
+	});
+	return;
+}
+
+var hasSymbols = require('../../shams');
+
+test('polyfilled Symbols', function (t) {
+	/* eslint-disable global-require */
+	t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
+
+	require('get-own-property-symbols');
+
+	require('../tests')(t);
+
+	var hasSymbolsAfter = hasSymbols();
+	t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
+	/* eslint-enable global-require */
+	t.end();
+});
diff --git a/web/public/node_modules/has-symbols/test/tests.js b/web/public/node_modules/has-symbols/test/tests.js
new file mode 100644
index 000000000..89edd1291
--- /dev/null
+++ b/web/public/node_modules/has-symbols/test/tests.js
@@ -0,0 +1,56 @@
+'use strict';
+
+// eslint-disable-next-line consistent-return
+module.exports = function runSymbolTests(t) {
+	t.equal(typeof Symbol, 'function', 'global Symbol is a function');
+
+	if (typeof Symbol !== 'function') { return false; }
+
+	t.notEqual(Symbol(), Symbol(), 'two symbols are not equal');
+
+	/*
+	t.equal(
+		Symbol.prototype.toString.call(Symbol('foo')),
+		Symbol.prototype.toString.call(Symbol('foo')),
+		'two symbols with the same description stringify the same'
+	);
+	*/
+
+	/*
+	var foo = Symbol('foo');
+
+	t.notEqual(
+		String(foo),
+		String(Symbol('bar')),
+		'two symbols with different descriptions do not stringify the same'
+	);
+	*/
+
+	t.equal(typeof Symbol.prototype.toString, 'function', 'Symbol#toString is a function');
+	// t.equal(String(foo), Symbol.prototype.toString.call(foo), 'Symbol#toString equals String of the same symbol');
+
+	t.equal(typeof Object.getOwnPropertySymbols, 'function', 'Object.getOwnPropertySymbols is a function');
+
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	t.notEqual(typeof sym, 'string', 'Symbol is not a string');
+	t.equal(Object.prototype.toString.call(sym), '[object Symbol]', 'symbol primitive Object#toStrings properly');
+	t.equal(Object.prototype.toString.call(symObj), '[object Symbol]', 'symbol primitive Object#toStrings properly');
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	// eslint-disable-next-line no-restricted-syntax
+	for (sym in obj) { t.fail('symbol property key was found in for..in of object'); }
+
+	t.deepEqual(Object.keys(obj), [], 'no enumerable own keys on symbol-valued object');
+	t.deepEqual(Object.getOwnPropertyNames(obj), [], 'no own names on symbol-valued object');
+	t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'one own symbol on symbol-valued object');
+	t.equal(Object.prototype.propertyIsEnumerable.call(obj, sym), true, 'symbol is enumerable');
+	t.deepEqual(Object.getOwnPropertyDescriptor(obj, sym), {
+		configurable: true,
+		enumerable: true,
+		value: 42,
+		writable: true
+	}, 'property descriptor is correct');
+};
diff --git a/web/public/node_modules/hasown/.eslintrc b/web/public/node_modules/hasown/.eslintrc
new file mode 100644
index 000000000..3b5d9e90e
--- /dev/null
+++ b/web/public/node_modules/hasown/.eslintrc
@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+}
diff --git a/web/public/node_modules/hasown/.github/FUNDING.yml b/web/public/node_modules/hasown/.github/FUNDING.yml
new file mode 100644
index 000000000..d68c8b716
--- /dev/null
+++ b/web/public/node_modules/hasown/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/hasown
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/web/public/node_modules/hasown/.nycrc b/web/public/node_modules/hasown/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/web/public/node_modules/hasown/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/hasown/CHANGELOG.md b/web/public/node_modules/hasown/CHANGELOG.md
new file mode 100644
index 000000000..2b0a980fb
--- /dev/null
+++ b/web/public/node_modules/hasown/CHANGELOG.md
@@ -0,0 +1,40 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v2.0.2](https://github.com/inspect-js/hasOwn/compare/v2.0.1...v2.0.2) - 2024-03-10
+
+### Commits
+
+- [types] use shared config [`68e9d4d`](https://github.com/inspect-js/hasOwn/commit/68e9d4dab6facb4f05f02c6baea94a3f2a4e44b2)
+- [actions] remove redundant finisher; use reusable workflow [`241a68e`](https://github.com/inspect-js/hasOwn/commit/241a68e13ea1fe52bec5ba7f74144befc31fae7b)
+- [Tests] increase coverage [`4125c0d`](https://github.com/inspect-js/hasOwn/commit/4125c0d6121db56ae30e38346dfb0c000b04f0a7)
+- [Tests] skip `npm ls` in old node due to TS [`01b9282`](https://github.com/inspect-js/hasOwn/commit/01b92822f9971dea031eafdd14767df41d61c202)
+- [types] improve predicate type [`d340f85`](https://github.com/inspect-js/hasOwn/commit/d340f85ce02e286ef61096cbbb6697081d40a12b)
+- [Dev Deps] update `tape` [`70089fc`](https://github.com/inspect-js/hasOwn/commit/70089fcf544e64acc024cbe60f5a9b00acad86de)
+- [Tests] use `@arethetypeswrong/cli` [`50b272c`](https://github.com/inspect-js/hasOwn/commit/50b272c829f40d053a3dd91c9796e0ac0b2af084)
+
+## [v2.0.1](https://github.com/inspect-js/hasOwn/compare/v2.0.0...v2.0.1) - 2024-02-10
+
+### Commits
+
+- [types] use a handwritten d.ts file; fix exported type [`012b989`](https://github.com/inspect-js/hasOwn/commit/012b9898ccf91dc441e2ebf594ff70270a5fda58)
+- [Dev Deps] update `@types/function-bind`, `@types/mock-property`, `@types/tape`, `aud`, `mock-property`, `npmignore`, `tape`, `typescript` [`977a56f`](https://github.com/inspect-js/hasOwn/commit/977a56f51a1f8b20566f3c471612137894644025)
+- [meta] add `sideEffects` flag [`3a60b7b`](https://github.com/inspect-js/hasOwn/commit/3a60b7bf42fccd8c605e5f145a6fcc83b13cb46f)
+
+## [v2.0.0](https://github.com/inspect-js/hasOwn/compare/v1.0.1...v2.0.0) - 2023-10-19
+
+### Commits
+
+- revamped implementation, tests, readme [`72bf8b3`](https://github.com/inspect-js/hasOwn/commit/72bf8b338e77a638f0a290c63ffaed18339c36b4)
+- [meta] revamp package.json [`079775f`](https://github.com/inspect-js/hasOwn/commit/079775fb1ec72c1c6334069593617a0be3847458)
+- Only apps should have lockfiles [`6640e23`](https://github.com/inspect-js/hasOwn/commit/6640e233d1bb8b65260880f90787637db157d215)
+
+## v1.0.1 - 2023-10-10
+
+### Commits
+
+- Initial commit [`8dbfde6`](https://github.com/inspect-js/hasOwn/commit/8dbfde6e8fb0ebb076fab38d138f2984eb340a62)
diff --git a/web/public/node_modules/hasown/LICENSE b/web/public/node_modules/hasown/LICENSE
new file mode 100644
index 000000000..031492907
--- /dev/null
+++ b/web/public/node_modules/hasown/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) Jordan Harband and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/hasown/README.md b/web/public/node_modules/hasown/README.md
new file mode 100644
index 000000000..f759b8a83
--- /dev/null
+++ b/web/public/node_modules/hasown/README.md
@@ -0,0 +1,40 @@
+# hasown <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+A robust, ES3 compatible, "has own property" predicate.
+
+## Example
+
+```js
+const assert = require('assert');
+const hasOwn = require('hasown');
+
+assert.equal(hasOwn({}, 'toString'), false);
+assert.equal(hasOwn([], 'length'), true);
+assert.equal(hasOwn({ a: 42 }, 'a'), true);
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[package-url]: https://npmjs.org/package/hasown
+[npm-version-svg]: https://versionbadg.es/inspect-js/hasown.svg
+[deps-svg]: https://david-dm.org/inspect-js/hasOwn.svg
+[deps-url]: https://david-dm.org/inspect-js/hasOwn
+[dev-deps-svg]: https://david-dm.org/inspect-js/hasOwn/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/hasOwn#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/hasown.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/hasown.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/hasown.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=hasown
+[codecov-image]: https://codecov.io/gh/inspect-js/hasOwn/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/hasOwn/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/hasOwn
+[actions-url]: https://github.com/inspect-js/hasOwn/actions
diff --git a/web/public/node_modules/hasown/index.d.ts b/web/public/node_modules/hasown/index.d.ts
new file mode 100644
index 000000000..aafdf3b2b
--- /dev/null
+++ b/web/public/node_modules/hasown/index.d.ts
@@ -0,0 +1,3 @@
+declare function hasOwn<O, K extends PropertyKey, V = unknown>(o: O, p: K): o is O & Record<K, V>;
+
+export = hasOwn;
diff --git a/web/public/node_modules/hasown/index.js b/web/public/node_modules/hasown/index.js
new file mode 100644
index 000000000..34e605913
--- /dev/null
+++ b/web/public/node_modules/hasown/index.js
@@ -0,0 +1,8 @@
+'use strict';
+
+var call = Function.prototype.call;
+var $hasOwn = Object.prototype.hasOwnProperty;
+var bind = require('function-bind');
+
+/** @type {import('.')} */
+module.exports = bind.call(call, $hasOwn);
diff --git a/web/public/node_modules/hasown/package.json b/web/public/node_modules/hasown/package.json
new file mode 100644
index 000000000..8502e13dd
--- /dev/null
+++ b/web/public/node_modules/hasown/package.json
@@ -0,0 +1,92 @@
+{
+	"name": "hasown",
+	"version": "2.0.2",
+	"description": "A robust, ES3 compatible, \"has own property\" predicate.",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./package.json": "./package.json"
+	},
+	"types": "index.d.ts",
+	"sideEffects": false,
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "npm run tsc",
+		"pretest": "npm run lint",
+		"tsc": "tsc -p .",
+		"posttsc": "attw -P",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/hasOwn.git"
+	},
+	"keywords": [
+		"has",
+		"hasOwnProperty",
+		"hasOwn",
+		"has-own",
+		"own",
+		"has",
+		"property",
+		"in",
+		"javascript",
+		"ecmascript"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/hasOwn/issues"
+	},
+	"homepage": "https://github.com/inspect-js/hasOwn#readme",
+	"dependencies": {
+		"function-bind": "^1.1.2"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.15.1",
+		"@ljharb/eslint-config": "^21.1.0",
+		"@ljharb/tsconfig": "^0.2.0",
+		"@types/function-bind": "^1.1.10",
+		"@types/mock-property": "^1.0.2",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"in-publish": "^2.0.1",
+		"mock-property": "^1.0.3",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"testling": {
+		"files": "test/index.js"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test"
+		]
+	}
+}
diff --git a/web/public/node_modules/hasown/tsconfig.json b/web/public/node_modules/hasown/tsconfig.json
new file mode 100644
index 000000000..0930c5658
--- /dev/null
+++ b/web/public/node_modules/hasown/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "extends": "@ljharb/tsconfig",
+  "exclude": [
+    "coverage",
+  ],
+}
diff --git a/web/public/node_modules/he/LICENSE-MIT.txt b/web/public/node_modules/he/LICENSE-MIT.txt
new file mode 100644
index 000000000..a41e0a7ef
--- /dev/null
+++ b/web/public/node_modules/he/LICENSE-MIT.txt
@@ -0,0 +1,20 @@
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/he/README.md b/web/public/node_modules/he/README.md
new file mode 100644
index 000000000..b2223a91f
--- /dev/null
+++ b/web/public/node_modules/he/README.md
@@ -0,0 +1,379 @@
+# he [![Build status](https://travis-ci.org/mathiasbynens/he.svg?branch=master)](https://travis-ci.org/mathiasbynens/he) [![Code coverage status](https://codecov.io/github/mathiasbynens/he/coverage.svg?branch=master)](https://codecov.io/github/mathiasbynens/he?branch=master) [![Dependency status](https://gemnasium.com/mathiasbynens/he.svg)](https://gemnasium.com/mathiasbynens/he)
+
+_he_ (for “HTML entities”) is a robust HTML entity encoder/decoder written in JavaScript. It supports [all standardized named character references as per HTML](https://html.spec.whatwg.org/multipage/syntax.html#named-character-references), handles [ambiguous ampersands](https://mathiasbynens.be/notes/ambiguous-ampersands) and other edge cases [just like a browser would](https://html.spec.whatwg.org/multipage/syntax.html#tokenizing-character-references), has an extensive test suite, and — contrary to many other JavaScript solutions — _he_ handles astral Unicode symbols just fine. [An online demo is available.](https://mothereff.in/html-entities)
+
+## Installation
+
+Via [npm](https://www.npmjs.com/):
+
+```bash
+npm install he
+```
+
+Via [Bower](http://bower.io/):
+
+```bash
+bower install he
+```
+
+Via [Component](https://github.com/component/component):
+
+```bash
+component install mathiasbynens/he
+```
+
+In a browser:
+
+```html
+<script src="he.js"></script>
+```
+
+In [Node.js](https://nodejs.org/), [io.js](https://iojs.org/), [Narwhal](http://narwhaljs.org/), and [RingoJS](http://ringojs.org/):
+
+```js
+var he = require('he');
+```
+
+In [Rhino](http://www.mozilla.org/rhino/):
+
+```js
+load('he.js');
+```
+
+Using an AMD loader like [RequireJS](http://requirejs.org/):
+
+```js
+require(
+  {
+    'paths': {
+      'he': 'path/to/he'
+    }
+  },
+  ['he'],
+  function(he) {
+    console.log(he);
+  }
+);
+```
+
+## API
+
+### `he.version`
+
+A string representing the semantic version number.
+
+### `he.encode(text, options)`
+
+This function takes a string of text and encodes (by default) any symbols that aren’t printable ASCII symbols and `&`, `<`, `>`, `"`, `'`, and `` ` ``, replacing them with character references.
+
+```js
+he.encode('foo © bar ≠ baz 𝌆 qux');
+// → 'foo &#xA9; bar &#x2260; baz &#x1D306; qux'
+```
+
+As long as the input string contains [allowed code points](https://html.spec.whatwg.org/multipage/parsing.html#preprocessing-the-input-stream) only, the return value of this function is always valid HTML. Any [(invalid) code points that cannot be represented using a character reference](https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides) in the input are not encoded:
+
+```js
+he.encode('foo \0 bar');
+// → 'foo \0 bar'
+```
+
+However, enabling [the `strict` option](https://github.com/mathiasbynens/he#strict) causes invalid code points to throw an exception. With `strict` enabled, `he.encode` either throws (if the input contains invalid code points) or returns a string of valid HTML.
+
+The `options` object is optional. It recognizes the following properties:
+
+#### `useNamedReferences`
+
+The default value for the `useNamedReferences` option is `false`. This means that `encode()` will not use any named character references (e.g. `&copy;`) in the output — hexadecimal escapes (e.g. `&#xA9;`) will be used instead. Set it to `true` to enable the use of named references.
+
+**Note that if compatibility with older browsers is a concern, this option should remain disabled.**
+
+```js
+// Using the global default setting (defaults to `false`):
+he.encode('foo © bar ≠ baz 𝌆 qux');
+// → 'foo &#xA9; bar &#x2260; baz &#x1D306; qux'
+
+// Passing an `options` object to `encode`, to explicitly disallow named references:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'useNamedReferences': false
+});
+// → 'foo &#xA9; bar &#x2260; baz &#x1D306; qux'
+
+// Passing an `options` object to `encode`, to explicitly allow named references:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'useNamedReferences': true
+});
+// → 'foo &copy; bar &ne; baz &#x1D306; qux'
+```
+
+#### `decimal`
+
+The default value for the `decimal` option is `false`. If the option is enabled, `encode` will generally use decimal escapes (e.g. `&#169;`) rather than hexadecimal escapes (e.g. `&#xA9;`). Beside of this replacement, the basic behavior remains the same when combined with other options. For example: if both options `useNamedReferences` and `decimal` are enabled, named references (e.g. `&copy;`) are used over decimal escapes. HTML entities without a named reference are encoded using decimal escapes.
+
+```js
+// Using the global default setting (defaults to `false`):
+he.encode('foo © bar ≠ baz 𝌆 qux');
+// → 'foo &#xA9; bar &#x2260; baz &#x1D306; qux'
+
+// Passing an `options` object to `encode`, to explicitly disable decimal escapes:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'decimal': false
+});
+// → 'foo &#xA9; bar &#x2260; baz &#x1D306; qux'
+
+// Passing an `options` object to `encode`, to explicitly enable decimal escapes:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'decimal': true
+});
+// → 'foo &#169; bar &#8800; baz &#119558; qux'
+
+// Passing an `options` object to `encode`, to explicitly allow named references and decimal escapes:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'useNamedReferences': true,
+  'decimal': true
+});
+// → 'foo &copy; bar &ne; baz &#119558; qux'
+```
+
+#### `encodeEverything`
+
+The default value for the `encodeEverything` option is `false`. This means that `encode()` will not use any character references for printable ASCII symbols that don’t need escaping. Set it to `true` to encode every symbol in the input string. When set to `true`, this option takes precedence over `allowUnsafeSymbols` (i.e. setting the latter to `true` in such a case has no effect).
+
+```js
+// Using the global default setting (defaults to `false`):
+he.encode('foo © bar ≠ baz 𝌆 qux');
+// → 'foo &#xA9; bar &#x2260; baz &#x1D306; qux'
+
+// Passing an `options` object to `encode`, to explicitly encode all symbols:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'encodeEverything': true
+});
+// → '&#x66;&#x6F;&#x6F;&#x20;&#xA9;&#x20;&#x62;&#x61;&#x72;&#x20;&#x2260;&#x20;&#x62;&#x61;&#x7A;&#x20;&#x1D306;&#x20;&#x71;&#x75;&#x78;'
+
+// This setting can be combined with the `useNamedReferences` option:
+he.encode('foo © bar ≠ baz 𝌆 qux', {
+  'encodeEverything': true,
+  'useNamedReferences': true
+});
+// → '&#x66;&#x6F;&#x6F;&#x20;&copy;&#x20;&#x62;&#x61;&#x72;&#x20;&ne;&#x20;&#x62;&#x61;&#x7A;&#x20;&#x1D306;&#x20;&#x71;&#x75;&#x78;'
+```
+
+#### `strict`
+
+The default value for the `strict` option is `false`. This means that `encode()` will encode any HTML text content you feed it, even if it contains any symbols that cause [parse errors](https://html.spec.whatwg.org/multipage/parsing.html#preprocessing-the-input-stream). To throw an error when such invalid HTML is encountered, set the `strict` option to `true`. This option makes it possible to use _he_ as part of HTML parsers and HTML validators.
+
+```js
+// Using the global default setting (defaults to `false`, i.e. error-tolerant mode):
+he.encode('\x01');
+// → '&#x1;'
+
+// Passing an `options` object to `encode`, to explicitly enable error-tolerant mode:
+he.encode('\x01', {
+  'strict': false
+});
+// → '&#x1;'
+
+// Passing an `options` object to `encode`, to explicitly enable strict mode:
+he.encode('\x01', {
+  'strict': true
+});
+// → Parse error
+```
+
+#### `allowUnsafeSymbols`
+
+The default value for the `allowUnsafeSymbols` option is `false`. This means that characters that are unsafe for use in HTML content (`&`, `<`, `>`, `"`, `'`, and `` ` ``) will be encoded. When set to `true`, only non-ASCII characters will be encoded. If the `encodeEverything` option is set to `true`, this option will be ignored.
+
+```js
+he.encode('foo © and & ampersand', {
+  'allowUnsafeSymbols': true
+});
+// → 'foo &#xA9; and & ampersand'
+```
+
+#### Overriding default `encode` options globally
+
+The global default setting can be overridden by modifying the `he.encode.options` object. This saves you from passing in an `options` object for every call to `encode` if you want to use the non-default setting.
+
+```js
+// Read the global default setting:
+he.encode.options.useNamedReferences;
+// → `false` by default
+
+// Override the global default setting:
+he.encode.options.useNamedReferences = true;
+
+// Using the global default setting, which is now `true`:
+he.encode('foo © bar ≠ baz 𝌆 qux');
+// → 'foo &copy; bar &ne; baz &#x1D306; qux'
+```
+
+### `he.decode(html, options)`
+
+This function takes a string of HTML and decodes any named and numerical character references in it using [the algorithm described in section 12.2.4.69 of the HTML spec](https://html.spec.whatwg.org/multipage/syntax.html#tokenizing-character-references).
+
+```js
+he.decode('foo &copy; bar &ne; baz &#x1D306; qux');
+// → 'foo © bar ≠ baz 𝌆 qux'
+```
+
+The `options` object is optional. It recognizes the following properties:
+
+#### `isAttributeValue`
+
+The default value for the `isAttributeValue` option is `false`. This means that `decode()` will decode the string as if it were used in [a text context in an HTML document](https://html.spec.whatwg.org/multipage/syntax.html#data-state). HTML has different rules for [parsing character references in attribute values](https://html.spec.whatwg.org/multipage/syntax.html#character-reference-in-attribute-value-state) — set this option to `true` to treat the input string as if it were used as an attribute value.
+
+```js
+// Using the global default setting (defaults to `false`, i.e. HTML text context):
+he.decode('foo&ampbar');
+// → 'foo&bar'
+
+// Passing an `options` object to `decode`, to explicitly assume an HTML text context:
+he.decode('foo&ampbar', {
+  'isAttributeValue': false
+});
+// → 'foo&bar'
+
+// Passing an `options` object to `decode`, to explicitly assume an HTML attribute value context:
+he.decode('foo&ampbar', {
+  'isAttributeValue': true
+});
+// → 'foo&ampbar'
+```
+
+#### `strict`
+
+The default value for the `strict` option is `false`. This means that `decode()` will decode any HTML text content you feed it, even if it contains any entities that cause [parse errors](https://html.spec.whatwg.org/multipage/syntax.html#tokenizing-character-references). To throw an error when such invalid HTML is encountered, set the `strict` option to `true`. This option makes it possible to use _he_ as part of HTML parsers and HTML validators.
+
+```js
+// Using the global default setting (defaults to `false`, i.e. error-tolerant mode):
+he.decode('foo&ampbar');
+// → 'foo&bar'
+
+// Passing an `options` object to `decode`, to explicitly enable error-tolerant mode:
+he.decode('foo&ampbar', {
+  'strict': false
+});
+// → 'foo&bar'
+
+// Passing an `options` object to `decode`, to explicitly enable strict mode:
+he.decode('foo&ampbar', {
+  'strict': true
+});
+// → Parse error
+```
+
+#### Overriding default `decode` options globally
+
+The global default settings for the `decode` function can be overridden by modifying the `he.decode.options` object. This saves you from passing in an `options` object for every call to `decode` if you want to use a non-default setting.
+
+```js
+// Read the global default setting:
+he.decode.options.isAttributeValue;
+// → `false` by default
+
+// Override the global default setting:
+he.decode.options.isAttributeValue = true;
+
+// Using the global default setting, which is now `true`:
+he.decode('foo&ampbar');
+// → 'foo&ampbar'
+```
+
+### `he.escape(text)`
+
+This function takes a string of text and escapes it for use in text contexts in XML or HTML documents. Only the following characters are escaped: `&`, `<`, `>`, `"`, `'`, and `` ` ``.
+
+```js
+he.escape('<img src=\'x\' onerror="prompt(1)">');
+// → '&lt;img src=&#x27;x&#x27; onerror=&quot;prompt(1)&quot;&gt;'
+```
+
+### `he.unescape(html, options)`
+
+`he.unescape` is an alias for `he.decode`. It takes a string of HTML and decodes any named and numerical character references in it.
+
+### Using the `he` binary
+
+To use the `he` binary in your shell, simply install _he_ globally using npm:
+
+```bash
+npm install -g he
+```
+
+After that you will be able to encode/decode HTML entities from the command line:
+
+```bash
+$ he --encode 'föo ♥ bår 𝌆 baz'
+f&#xF6;o &#x2665; b&#xE5;r &#x1D306; baz
+
+$ he --encode --use-named-refs 'föo ♥ bår 𝌆 baz'
+f&ouml;o &hearts; b&aring;r &#x1D306; baz
+
+$ he --decode 'f&ouml;o &hearts; b&aring;r &#x1D306; baz'
+föo ♥ bår 𝌆 baz
+```
+
+Read a local text file, encode it for use in an HTML text context, and save the result to a new file:
+
+```bash
+$ he --encode < foo.txt > foo-escaped.html
+```
+
+Or do the same with an online text file:
+
+```bash
+$ curl -sL "http://git.io/HnfEaw" | he --encode > escaped.html
+```
+
+Or, the opposite — read a local file containing a snippet of HTML in a text context, decode it back to plain text, and save the result to a new file:
+
+```bash
+$ he --decode < foo-escaped.html > foo.txt
+```
+
+Or do the same with an online HTML snippet:
+
+```bash
+$ curl -sL "http://git.io/HnfEaw" | he --decode > decoded.txt
+```
+
+See `he --help` for the full list of options.
+
+## Support
+
+_he_ has been tested in at least:
+
+* Chrome 27-50
+* Firefox 3-45
+* Safari 4-9
+* Opera 10-12, 15–37
+* IE 6–11
+* Edge
+* Narwhal 0.3.2
+* Node.js v0.10, v0.12, v4, v5
+* PhantomJS 1.9.0
+* Rhino 1.7RC4
+* RingoJS 0.8-0.11
+
+## Unit tests & code coverage
+
+After cloning this repository, run `npm install` to install the dependencies needed for he development and testing. You may want to install Istanbul _globally_ using `npm install istanbul -g`.
+
+Once that’s done, you can run the unit tests in Node using `npm test` or `node tests/tests.js`. To run the tests in Rhino, Ringo, Narwhal, and web browsers as well, use `grunt test`.
+
+To generate the code coverage report, use `grunt cover`.
+
+## Acknowledgements
+
+Thanks to [Simon Pieters](https://simon.html5.org/) ([@zcorpan](https://twitter.com/zcorpan)) for the many suggestions.
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## License
+
+_he_ is available under the [MIT](https://mths.be/mit) license.
diff --git a/web/public/node_modules/he/bin/he b/web/public/node_modules/he/bin/he
new file mode 100644
index 000000000..cfdfd6c31
--- /dev/null
+++ b/web/public/node_modules/he/bin/he
@@ -0,0 +1,148 @@
+#!/usr/bin/env node
+(function() {
+
+	var fs = require('fs');
+	var he = require('../he.js');
+	var strings = process.argv.splice(2);
+	var stdin = process.stdin;
+	var data;
+	var timeout;
+	var action;
+	var options = {};
+	var log = console.log;
+
+	var main = function() {
+		var option = strings[0];
+		var count = 0;
+
+		if (/^(?:-h|--help|undefined)$/.test(option)) {
+			log(
+				'he v%s - https://mths.be/he',
+				he.version
+			);
+			log([
+				'\nUsage:\n',
+				'\the [--escape] string',
+				'\the [--encode] [--use-named-refs] [--everything] [--allow-unsafe] [--decimal] string',
+				'\the [--decode] [--attribute] [--strict] string',
+				'\the [-v | --version]',
+				'\the [-h | --help]',
+				'\nExamples:\n',
+				'\the --escape \\<img\\ src\\=\\\'x\\\'\\ onerror\\=\\"prompt\\(1\\)\\"\\>',
+				'\techo \'&copy; &#x1D306;\' | he --decode'
+			].join('\n'));
+			return process.exit(option ? 0 : 1);
+		}
+
+		if (/^(?:-v|--version)$/.test(option)) {
+			log('v%s', he.version);
+			return process.exit(0);
+		}
+
+		strings.forEach(function(string) {
+			// Process options
+			if (string == '--escape') {
+				action = 'escape';
+				return;
+			}
+			if (string == '--encode') {
+				action = 'encode';
+				return;
+			}
+			if (string == '--use-named-refs') {
+				action = 'encode';
+				options.useNamedReferences = true;
+				return;
+			}
+			if (string == '--everything') {
+				action = 'encode';
+				options.encodeEverything = true;
+				return;
+			}
+			if (string == '--allow-unsafe') {
+				action = 'encode';
+				options.allowUnsafeSymbols = true;
+				return;
+			}
+			if (string == '--decimal') {
+				action = 'encode';
+				options.decimal = true;
+				return;
+			}
+			if (string == '--decode') {
+				action = 'decode';
+				return;
+			}
+			if (string == '--attribute') {
+				action = 'decode';
+				options.isAttributeValue = true;
+				return;
+			}
+			if (string == '--strict') {
+				action = 'decode';
+				options.strict = true;
+				return;
+			}
+			// Process string(s)
+			var result;
+			if (!action) {
+				log('Error: he requires at least one option and a string argument.');
+				log('Try `he --help` for more information.');
+				return process.exit(1);
+			}
+			try {
+				result = he[action](string, options);
+				log(result);
+				count++;
+			} catch(error) {
+				log(error.message + '\n');
+				log('Error: failed to %s.', action);
+				log('If you think this is a bug in he, please report it:');
+				log('https://github.com/mathiasbynens/he/issues/new');
+				log(
+					'\nStack trace using he@%s:\n',
+					he.version
+				);
+				log(error.stack);
+				return process.exit(1);
+			}
+		});
+		if (!count) {
+			log('Error: he requires a string argument.');
+			log('Try `he --help` for more information.');
+			return process.exit(1);
+		}
+		// Return with exit status 0 outside of the `forEach` loop, in case
+		// multiple strings were passed in.
+		return process.exit(0);
+	};
+
+	if (stdin.isTTY) {
+		// handle shell arguments
+		main();
+	} else {
+		// Either the script is called from within a non-TTY context, or `stdin`
+		// content is being piped in.
+		if (!process.stdout.isTTY) {
+			// The script was called from a non-TTY context. This is a rather uncommon
+			// use case we don’t actively support. However, we don’t want the script
+			// to wait forever in such cases, so…
+			timeout = setTimeout(function() {
+				// …if no piped data arrived after a whole minute, handle shell
+				// arguments instead.
+				main();
+			}, 60000);
+		}
+		data = '';
+		stdin.on('data', function(chunk) {
+			clearTimeout(timeout);
+			data += chunk;
+		});
+		stdin.on('end', function() {
+			strings.push(data.trim());
+			main();
+		});
+		stdin.resume();
+	}
+
+}());
diff --git a/web/public/node_modules/he/he.js b/web/public/node_modules/he/he.js
new file mode 100644
index 000000000..14a58e9d6
--- /dev/null
+++ b/web/public/node_modules/he/he.js
@@ -0,0 +1,345 @@
+/*! https://mths.be/he v1.2.0 by @mathias | MIT license */
+;(function(root) {
+
+	// Detect free variables `exports`.
+	var freeExports = typeof exports == 'object' && exports;
+
+	// Detect free variable `module`.
+	var freeModule = typeof module == 'object' && module &&
+		module.exports == freeExports && module;
+
+	// Detect free variable `global`, from Node.js or Browserified code,
+	// and use it as `root`.
+	var freeGlobal = typeof global == 'object' && global;
+	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
+		root = freeGlobal;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	// All astral symbols.
+	var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
+	// All ASCII symbols (not just printable ASCII) except those listed in the
+	// first column of the overrides table.
+	// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides
+	var regexAsciiWhitelist = /[\x01-\x7F]/g;
+	// All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
+	// code points listed in the first column of the overrides table on
+	// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.
+	var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
+
+	var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
+	var encodeMap = 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','\u2A73':'Esim','\u2A77':'eDDot','\u2A78':'equivDD','\u2A79':'ltcir','\u2A7A':'gtcir','\u2A7B':'ltquest','\u2A7C':'gtquest','\u2A7D':'les','\u2A7D\u0338':'nles','\u2A7E':'ges','\u2A7E\u0338':'nges','\u2A7F':'lesdot','\u2A80':'gesdot','\u2A81':'lesdoto','\u2A82':'gesdoto','\u2A83':'lesdotor','\u2A84':'gesdotol','\u2A85':'lap','\u2A86':'gap','\u2A87':'lne','\u2A88':'gne','\u2A89':'lnap','\u2A8A':'gnap','\u2A8B':'lEg','\u2A8C':'gEl','\u2A8D':'lsime','\u2A8E':'gsime','\u2A8F':'lsimg','\u2A90':'gsiml','\u2A91':'lgE','\u2A92':'glE','\u2A93':'lesges','\u2A94':'gesles','\u2A95':'els','\u2A96':'egs','\u2A97':'elsdot','\u2A98':'egsdot','\u2A99':'el','\u2A9A':'eg','\u2A9D':'siml','\u2A9E':'simg','\u2A9F':'simlE','\u2AA0':'simgE','\u2AA1':'LessLess','\u2AA1\u0338':'NotNestedLessLess','\u2AA2':'GreaterGreater','\u2AA2\u0338':'NotNestedGreaterGreater','\u2AA4':'glj','\u2AA5':'gla','\u2AA6':'ltcc','\u2AA7':'gtcc','\u2AA8':'lescc','\u2AA9':'gescc','\u2AAA':'smt','\u2AAB':'lat','\u2AAC':'smte','\u2AAC\uFE00':'smtes','\u2AAD':'late','\u2AAD\uFE00':'lates','\u2AAE':'bumpE','\u2AAF':'pre','\u2AAF\u0338':'npre','\u2AB0':'sce','\u2AB0\u0338':'nsce','\u2AB3':'prE','\u2AB4':'scE','\u2AB5':'prnE','\u2AB6':'scnE','\u2AB7':'prap','\u2AB8':'scap','\u2AB9':'prnap','\u2ABA':'scnap','\u2ABB':'Pr','\u2ABC':'Sc','\u2ABD':'subdot','\u2ABE':'supdot','\u2ABF':'subplus','\u2AC0':'supplus','\u2AC1':'submult','\u2AC2':'supmult','\u2AC3':'subedot','\u2AC4':'supedot','\u2AC5':'subE','\u2AC5\u0338':'nsubE','\u2AC6':'supE','\u2AC6\u0338':'nsupE','\u2AC7':'subsim','\u2AC8':'supsim','\u2ACB\uFE00':'vsubnE','\u2ACB':'subnE','\u2ACC\uFE00':'vsupnE','\u2ACC':'supnE','\u2ACF':'csub','\u2AD0':'csup','\u2AD1':'csube','\u2AD2':'csupe','\u2AD3':'subsup','\u2AD4':'supsub','\u2AD5':'subsub','\u2AD6':'supsup','\u2AD7':'suphsub','\u2AD8':'supdsub','\u2AD9':'forkv','\u2ADA':'topfork','\u2ADB':'mlcp','\u2AE4':'Dashv','\u2AE6':'Vdashl','\u2AE7':'Barv','\u2AE8':'vBar','\u2AE9':'vBarv','\u2AEB':'Vbar','\u2AEC':'Not','\u2AED':'bNot','\u2AEE':'rnmid','\u2AEF':'cirmid','\u2AF0':'midcir','\u2AF1':'topcir','\u2AF2':'nhpar','\u2AF3':'parsim','\u2AFD':'parsl','\u2AFD\u20E5':'nparsl','\u266D':'flat','\u266E':'natur','\u266F':'sharp','\xA4':'curren','\xA2':'cent','$':'dollar','\xA3':'pound','\xA5':'yen','\u20AC':'euro','\xB9':'sup1','\xBD':'half','\u2153':'frac13','\xBC':'frac14','\u2155':'frac15','\u2159':'frac16','\u215B':'frac18','\xB2':'sup2','\u2154':'frac23','\u2156':'frac25','\xB3':'sup3','\xBE':'frac34','\u2157':'frac35','\u215C':'frac38','\u2158':'frac45','\u215A':'frac56','\u215D':'frac58','\u215E':'frac78','\uD835\uDCB6':'ascr','\uD835\uDD52':'aopf','\uD835\uDD1E':'afr','\uD835\uDD38':'Aopf','\uD835\uDD04':'Afr','\uD835\uDC9C':'Ascr','\xAA':'ordf','\xE1':'aacute','\xC1':'Aacute','\xE0':'agrave','\xC0':'Agrave','\u0103':'abreve','\u0102':'Abreve','\xE2':'acirc','\xC2':'Acirc','\xE5':'aring','\xC5':'angst','\xE4':'auml','\xC4':'Auml','\xE3':'atilde','\xC3':'Atilde','\u0105':'aogon','\u0104':'Aogon','\u0101':'amacr','\u0100':'Amacr','\xE6':'aelig','\xC6':'AElig','\uD835\uDCB7':'bscr','\uD835\uDD53':'bopf','\uD835\uDD1F':'bfr','\uD835\uDD39':'Bopf','\u212C':'Bscr','\uD835\uDD05':'Bfr','\uD835\uDD20':'cfr','\uD835\uDCB8':'cscr','\uD835\uDD54':'copf','\u212D':'Cfr','\uD835\uDC9E':'Cscr','\u2102':'Copf','\u0107':'cacute','\u0106':'Cacute','\u0109':'ccirc','\u0108':'Ccirc','\u010D':'ccaron','\u010C':'Ccaron','\u010B':'cdot','\u010A':'Cdot','\xE7':'ccedil','\xC7':'Ccedil','\u2105':'incare','\uD835\uDD21':'dfr','\u2146':'dd','\uD835\uDD55':'dopf','\uD835\uDCB9':'dscr','\uD835\uDC9F':'Dscr','\uD835\uDD07':'Dfr','\u2145':'DD','\uD835\uDD3B':'Dopf','\u010F':'dcaron','\u010E':'Dcaron','\u0111':'dstrok','\u0110':'Dstrok','\xF0':'eth','\xD0':'ETH','\u2147':'ee','\u212F':'escr','\uD835\uDD22':'efr','\uD835\uDD56':'eopf','\u2130':'Escr','\uD835\uDD08':'Efr','\uD835\uDD3C':'Eopf','\xE9':'eacute','\xC9':'Eacute','\xE8':'egrave','\xC8':'Egrave','\xEA':'ecirc','\xCA':'Ecirc','\u011B':'ecaron','\u011A':'Ecaron','\xEB':'euml','\xCB':'Euml','\u0117':'edot','\u0116':'Edot','\u0119':'eogon','\u0118':'Eogon','\u0113':'emacr','\u0112':'Emacr','\uD835\uDD23':'ffr','\uD835\uDD57':'fopf','\uD835\uDCBB':'fscr','\uD835\uDD09':'Ffr','\uD835\uDD3D':'Fopf','\u2131':'Fscr','\uFB00':'fflig','\uFB03':'ffilig','\uFB04':'ffllig','\uFB01':'filig','fj':'fjlig','\uFB02':'fllig','\u0192':'fnof','\u210A':'gscr','\uD835\uDD58':'gopf','\uD835\uDD24':'gfr','\uD835\uDCA2':'Gscr','\uD835\uDD3E':'Gopf','\uD835\uDD0A':'Gfr','\u01F5':'gacute','\u011F':'gbreve','\u011E':'Gbreve','\u011D':'gcirc','\u011C':'Gcirc','\u0121':'gdot','\u0120':'Gdot','\u0122':'Gcedil','\uD835\uDD25':'hfr','\u210E':'planckh','\uD835\uDCBD':'hscr','\uD835\uDD59':'hopf','\u210B':'Hscr','\u210C':'Hfr','\u210D':'Hopf','\u0125':'hcirc','\u0124':'Hcirc','\u210F':'hbar','\u0127':'hstrok','\u0126':'Hstrok','\uD835\uDD5A':'iopf','\uD835\uDD26':'ifr','\uD835\uDCBE':'iscr','\u2148':'ii','\uD835\uDD40':'Iopf','\u2110':'Iscr','\u2111':'Im','\xED':'iacute','\xCD':'Iacute','\xEC':'igrave','\xCC':'Igrave','\xEE':'icirc','\xCE':'Icirc','\xEF':'iuml','\xCF':'Iuml','\u0129':'itilde','\u0128':'Itilde','\u0130':'Idot','\u012F':'iogon','\u012E':'Iogon','\u012B':'imacr','\u012A':'Imacr','\u0133':'ijlig','\u0132':'IJlig','\u0131':'imath','\uD835\uDCBF':'jscr','\uD835\uDD5B':'jopf','\uD835\uDD27':'jfr','\uD835\uDCA5':'Jscr','\uD835\uDD0D':'Jfr','\uD835\uDD41':'Jopf','\u0135':'jcirc','\u0134':'Jcirc','\u0237':'jmath','\uD835\uDD5C':'kopf','\uD835\uDCC0':'kscr','\uD835\uDD28':'kfr','\uD835\uDCA6':'Kscr','\uD835\uDD42':'Kopf','\uD835\uDD0E':'Kfr','\u0137':'kcedil','\u0136':'Kcedil','\uD835\uDD29':'lfr','\uD835\uDCC1':'lscr','\u2113':'ell','\uD835\uDD5D':'lopf','\u2112':'Lscr','\uD835\uDD0F':'Lfr','\uD835\uDD43':'Lopf','\u013A':'lacute','\u0139':'Lacute','\u013E':'lcaron','\u013D':'Lcaron','\u013C':'lcedil','\u013B':'Lcedil','\u0142':'lstrok','\u0141':'Lstrok','\u0140':'lmidot','\u013F':'Lmidot','\uD835\uDD2A':'mfr','\uD835\uDD5E':'mopf','\uD835\uDCC2':'mscr','\uD835\uDD10':'Mfr','\uD835\uDD44':'Mopf','\u2133':'Mscr','\uD835\uDD2B':'nfr','\uD835\uDD5F':'nopf','\uD835\uDCC3':'nscr','\u2115':'Nopf','\uD835\uDCA9':'Nscr','\uD835\uDD11':'Nfr','\u0144':'nacute','\u0143':'Nacute','\u0148':'ncaron','\u0147':'Ncaron','\xF1':'ntilde','\xD1':'Ntilde','\u0146':'ncedil','\u0145':'Ncedil','\u2116':'numero','\u014B':'eng','\u014A':'ENG','\uD835\uDD60':'oopf','\uD835\uDD2C':'ofr','\u2134':'oscr','\uD835\uDCAA':'Oscr','\uD835\uDD12':'Ofr','\uD835\uDD46':'Oopf','\xBA':'ordm','\xF3':'oacute','\xD3':'Oacute','\xF2':'ograve','\xD2':'Ograve','\xF4':'ocirc','\xD4':'Ocirc','\xF6':'ouml','\xD6':'Ouml','\u0151':'odblac','\u0150':'Odblac','\xF5':'otilde','\xD5':'Otilde','\xF8':'oslash','\xD8':'Oslash','\u014D':'omacr','\u014C':'Omacr','\u0153':'oelig','\u0152':'OElig','\uD835\uDD2D':'pfr','\uD835\uDCC5':'pscr','\uD835\uDD61':'popf','\u2119':'Popf','\uD835\uDD13':'Pfr','\uD835\uDCAB':'Pscr','\uD835\uDD62':'qopf','\uD835\uDD2E':'qfr','\uD835\uDCC6':'qscr','\uD835\uDCAC':'Qscr','\uD835\uDD14':'Qfr','\u211A':'Qopf','\u0138':'kgreen','\uD835\uDD2F':'rfr','\uD835\uDD63':'ropf','\uD835\uDCC7':'rscr','\u211B':'Rscr','\u211C':'Re','\u211D':'Ropf','\u0155':'racute','\u0154':'Racute','\u0159':'rcaron','\u0158':'Rcaron','\u0157':'rcedil','\u0156':'Rcedil','\uD835\uDD64':'sopf','\uD835\uDCC8':'sscr','\uD835\uDD30':'sfr','\uD835\uDD4A':'Sopf','\uD835\uDD16':'Sfr','\uD835\uDCAE':'Sscr','\u24C8':'oS','\u015B':'sacute','\u015A':'Sacute','\u015D':'scirc','\u015C':'Scirc','\u0161':'scaron','\u0160':'Scaron','\u015F':'scedil','\u015E':'Scedil','\xDF':'szlig','\uD835\uDD31':'tfr','\uD835\uDCC9':'tscr','\uD835\uDD65':'topf','\uD835\uDCAF':'Tscr','\uD835\uDD17':'Tfr','\uD835\uDD4B':'Topf','\u0165':'tcaron','\u0164':'Tcaron','\u0163':'tcedil','\u0162':'Tcedil','\u2122':'trade','\u0167':'tstrok','\u0166':'Tstrok','\uD835\uDCCA':'uscr','\uD835\uDD66':'uopf','\uD835\uDD32':'ufr','\uD835\uDD4C':'Uopf','\uD835\uDD18':'Ufr','\uD835\uDCB0':'Uscr','\xFA':'uacute','\xDA':'Uacute','\xF9':'ugrave','\xD9':'Ugrave','\u016D':'ubreve','\u016C':'Ubreve','\xFB':'ucirc','\xDB':'Ucirc','\u016F':'uring','\u016E':'Uring','\xFC':'uuml','\xDC':'Uuml','\u0171':'udblac','\u0170':'Udblac','\u0169':'utilde','\u0168':'Utilde','\u0173':'uogon','\u0172':'Uogon','\u016B':'umacr','\u016A':'Umacr','\uD835\uDD33':'vfr','\uD835\uDD67':'vopf','\uD835\uDCCB':'vscr','\uD835\uDD19':'Vfr','\uD835\uDD4D':'Vopf','\uD835\uDCB1':'Vscr','\uD835\uDD68':'wopf','\uD835\uDCCC':'wscr','\uD835\uDD34':'wfr','\uD835\uDCB2':'Wscr','\uD835\uDD4E':'Wopf','\uD835\uDD1A':'Wfr','\u0175':'wcirc','\u0174':'Wcirc','\uD835\uDD35':'xfr','\uD835\uDCCD':'xscr','\uD835\uDD69':'xopf','\uD835\uDD4F':'Xopf','\uD835\uDD1B':'Xfr','\uD835\uDCB3':'Xscr','\uD835\uDD36':'yfr','\uD835\uDCCE':'yscr','\uD835\uDD6A':'yopf','\uD835\uDCB4':'Yscr','\uD835\uDD1C':'Yfr','\uD835\uDD50':'Yopf','\xFD':'yacute','\xDD':'Yacute','\u0177':'ycirc','\u0176':'Ycirc','\xFF':'yuml','\u0178':'Yuml','\uD835\uDCCF':'zscr','\uD835\uDD37':'zfr','\uD835\uDD6B':'zopf','\u2128':'Zfr','\u2124':'Zopf','\uD835\uDCB5':'Zscr','\u017A':'zacute','\u0179':'Zacute','\u017E':'zcaron','\u017D':'Zcaron','\u017C':'zdot','\u017B':'Zdot','\u01B5':'imped','\xFE':'thorn','\xDE':'THORN','\u0149':'napos','\u03B1':'alpha','\u0391':'Alpha','\u03B2':'beta','\u0392':'Beta','\u03B3':'gamma','\u0393':'Gamma','\u03B4':'delta','\u0394':'Delta','\u03B5':'epsi','\u03F5':'epsiv','\u0395':'Epsilon','\u03DD':'gammad','\u03DC':'Gammad','\u03B6':'zeta','\u0396':'Zeta','\u03B7':'eta','\u0397':'Eta','\u03B8':'theta','\u03D1':'thetav','\u0398':'Theta','\u03B9':'iota','\u0399':'Iota','\u03BA':'kappa','\u03F0':'kappav','\u039A':'Kappa','\u03BB':'lambda','\u039B':'Lambda','\u03BC':'mu','\xB5':'micro','\u039C':'Mu','\u03BD':'nu','\u039D':'Nu','\u03BE':'xi','\u039E':'Xi','\u03BF':'omicron','\u039F':'Omicron','\u03C0':'pi','\u03D6':'piv','\u03A0':'Pi','\u03C1':'rho','\u03F1':'rhov','\u03A1':'Rho','\u03C3':'sigma','\u03A3':'Sigma','\u03C2':'sigmaf','\u03C4':'tau','\u03A4':'Tau','\u03C5':'upsi','\u03A5':'Upsilon','\u03D2':'Upsi','\u03C6':'phi','\u03D5':'phiv','\u03A6':'Phi','\u03C7':'chi','\u03A7':'Chi','\u03C8':'psi','\u03A8':'Psi','\u03C9':'omega','\u03A9':'ohm','\u0430':'acy','\u0410':'Acy','\u0431':'bcy','\u0411':'Bcy','\u0432':'vcy','\u0412':'Vcy','\u0433':'gcy','\u0413':'Gcy','\u0453':'gjcy','\u0403':'GJcy','\u0434':'dcy','\u0414':'Dcy','\u0452':'djcy','\u0402':'DJcy','\u0435':'iecy','\u0415':'IEcy','\u0451':'iocy','\u0401':'IOcy','\u0454':'jukcy','\u0404':'Jukcy','\u0436':'zhcy','\u0416':'ZHcy','\u0437':'zcy','\u0417':'Zcy','\u0455':'dscy','\u0405':'DScy','\u0438':'icy','\u0418':'Icy','\u0456':'iukcy','\u0406':'Iukcy','\u0457':'yicy','\u0407':'YIcy','\u0439':'jcy','\u0419':'Jcy','\u0458':'jsercy','\u0408':'Jsercy','\u043A':'kcy','\u041A':'Kcy','\u045C':'kjcy','\u040C':'KJcy','\u043B':'lcy','\u041B':'Lcy','\u0459':'ljcy','\u0409':'LJcy','\u043C':'mcy','\u041C':'Mcy','\u043D':'ncy','\u041D':'Ncy','\u045A':'njcy','\u040A':'NJcy','\u043E':'ocy','\u041E':'Ocy','\u043F':'pcy','\u041F':'Pcy','\u0440':'rcy','\u0420':'Rcy','\u0441':'scy','\u0421':'Scy','\u0442':'tcy','\u0422':'Tcy','\u045B':'tshcy','\u040B':'TSHcy','\u0443':'ucy','\u0423':'Ucy','\u045E':'ubrcy','\u040E':'Ubrcy','\u0444':'fcy','\u0424':'Fcy','\u0445':'khcy','\u0425':'KHcy','\u0446':'tscy','\u0426':'TScy','\u0447':'chcy','\u0427':'CHcy','\u045F':'dzcy','\u040F':'DZcy','\u0448':'shcy','\u0428':'SHcy','\u0449':'shchcy','\u0429':'SHCHcy','\u044A':'hardcy','\u042A':'HARDcy','\u044B':'ycy','\u042B':'Ycy','\u044C':'softcy','\u042C':'SOFTcy','\u044D':'ecy','\u042D':'Ecy','\u044E':'yucy','\u042E':'YUcy','\u044F':'yacy','\u042F':'YAcy','\u2135':'aleph','\u2136':'beth','\u2137':'gimel','\u2138':'daleth'};
+
+	var regexEscape = /["&'<>`]/g;
+	var escapeMap = {
+		'"': '&quot;',
+		'&': '&amp;',
+		'\'': '&#x27;',
+		'<': '&lt;',
+		// See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
+		// following is not strictly necessary unless it’s part of a tag or an
+		// unquoted attribute value. We’re only escaping it to support those
+		// situations, and for XML support.
+		'>': '&gt;',
+		// In Internet Explorer ≤ 8, the backtick character can be used
+		// to break out of (un)quoted attribute values or HTML comments.
+		// See http://html5sec.org/#102, http://html5sec.org/#108, and
+		// http://html5sec.org/#133.
+		'`': '&#x60;'
+	};
+
+	var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
+	var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
+	var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|c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|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g;
+	var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\u2230','ccups':'\u2A4C','ccupssm':'\u2A50','cdot':'\u010B','Cdot':'\u010A','cedil':'\xB8','Cedilla':'\xB8','cemptyv':'\u29B2','cent':'\xA2','centerdot':'\xB7','CenterDot':'\xB7','cfr':'\uD835\uDD20','Cfr':'\u212D','chcy':'\u0447','CHcy':'\u0427','check':'\u2713','checkmark':'\u2713','chi':'\u03C7','Chi':'\u03A7','cir':'\u25CB','circ':'\u02C6','circeq':'\u2257','circlearrowleft':'\u21BA','circlearrowright':'\u21BB','circledast':'\u229B','circledcirc':'\u229A','circleddash':'\u229D','CircleDot':'\u2299','circledR':'\xAE','circledS':'\u24C8','CircleMinus':'\u2296','CirclePlus':'\u2295','CircleTimes':'\u2297','cire':'\u2257','cirE':'\u29C3','cirfnint':'\u2A10','cirmid':'\u2AEF','cirscir':'\u29C2','ClockwiseContourIntegral':'\u2232','CloseCurlyDoubleQuote':'\u201D','CloseCurlyQuote':'\u2019','clubs':'\u2663','clubsuit':'\u2663','colon':':','Colon':'\u2237','colone':'\u2254','Colone':'\u2A74','coloneq':'\u2254','comma':',','commat':'@','comp':'\u2201','compfn':'\u2218','complement':'\u2201','complexes':'\u2102','cong':'\u2245','congdot':'\u2A6D','Congruent':'\u2261','conint':'\u222E','Conint':'\u222F','ContourIntegral':'\u222E','copf':'\uD835\uDD54','Copf':'\u2102','coprod':'\u2210','Coproduct':'\u2210','copy':'\xA9','COPY':'\xA9','copysr':'\u2117','CounterClockwiseContourIntegral':'\u2233','crarr':'\u21B5','cross':'\u2717','Cross':'\u2A2F','cscr':'\uD835\uDCB8','Cscr':'\uD835\uDC9E','csub':'\u2ACF','csube':'\u2AD1','csup':'\u2AD0','csupe':'\u2AD2','ctdot':'\u22EF','cudarrl':'\u2938','cudarrr':'\u2935','cuepr':'\u22DE','cuesc':'\u22DF','cularr':'\u21B6','cularrp':'\u293D','cup':'\u222A','Cup':'\u22D3','cupbrcap':'\u2A48','cupcap':'\u2A46','CupCap':'\u224D','cupcup':'\u2A4A','cupdot':'\u228D','cupor':'\u2A45','cups':'\u222A\uFE00','curarr':'\u21B7','curarrm':'\u293C','curlyeqprec':'\u22DE','curlyeqsucc':'\u22DF','curlyvee':'\u22CE','curlywedge':'\u22CF','curren':'\xA4','curvearrowleft':'\u21B6','curvearrowright':'\u21B7','cuvee':'\u22CE','cuwed':'\u22CF','cwconint':'\u2232','cwint':'\u2231','cylcty':'\u232D','dagger':'\u2020','Dagger':'\u2021','daleth':'\u2138','darr':'\u2193','dArr':'\u21D3','Darr':'\u21A1','dash':'\u2010','dashv':'\u22A3','Dashv':'\u2AE4','dbkarow':'\u290F','dblac':'\u02DD','dcaron':'\u010F','Dcaron':'\u010E','dcy':'\u0434','Dcy':'\u0414','dd':'\u2146','DD':'\u2145','ddagger':'\u2021','ddarr':'\u21CA','DDotrahd':'\u2911','ddotseq':'\u2A77','deg':'\xB0','Del':'\u2207','delta':'\u03B4','Delta':'\u0394','demptyv':'\u29B1','dfisht':'\u297F','dfr':'\uD835\uDD21','Dfr':'\uD835\uDD07','dHar':'\u2965','dharl':'\u21C3','dharr':'\u21C2','DiacriticalAcute':'\xB4','DiacriticalDot':'\u02D9','DiacriticalDoubleAcute':'\u02DD','DiacriticalGrave':'`','DiacriticalTilde':'\u02DC','diam':'\u22C4','diamond':'\u22C4','Diamond':'\u22C4','diamondsuit':'\u2666','diams':'\u2666','die':'\xA8','DifferentialD':'\u2146','digamma':'\u03DD','disin':'\u22F2','div':'\xF7','divide':'\xF7','divideontimes':'\u22C7','divonx':'\u22C7','djcy':'\u0452','DJcy':'\u0402','dlcorn':'\u231E','dlcrop':'\u230D','dollar':'$','dopf':'\uD835\uDD55','Dopf':'\uD835\uDD3B','dot':'\u02D9','Dot':'\xA8','DotDot':'\u20DC','doteq':'\u2250','doteqdot':'\u2251','DotEqual':'\u2250','dotminus':'\u2238','dotplus':'\u2214','dotsquare':'\u22A1','doublebarwedge':'\u2306','DoubleContourIntegral':'\u222F','DoubleDot':'\xA8','DoubleDownArrow':'\u21D3','DoubleLeftArrow':'\u21D0','DoubleLeftRightArrow':'\u21D4','DoubleLeftTee':'\u2AE4','DoubleLongLeftArrow':'\u27F8','DoubleLongLeftRightArrow':'\u27FA','DoubleLongRightArrow':'\u27F9','DoubleRightArrow':'\u21D2','DoubleRightTee':'\u22A8','DoubleUpArrow':'\u21D1','DoubleUpDownArrow':'\u21D5','DoubleVerticalBar':'\u2225','downarrow':'\u2193','Downarrow':'\u21D3','DownArrow':'\u2193','DownArrowBar':'\u2913','DownArrowUpArrow':'\u21F5','DownBreve':'\u0311','downdownarrows':'\u21CA','downharpoonleft':'\u21C3','downharpoonright':'\u21C2','DownLeftRightVector':'\u2950','DownLeftTeeVector':'\u295E','DownLeftVector':'\u21BD','DownLeftVectorBar':'\u2956','DownRightTeeVector':'\u295F','DownRightVector':'\u21C1','DownRightVectorBar':'\u2957','DownTee':'\u22A4','DownTeeArrow':'\u21A7','drbkarow':'\u2910','drcorn':'\u231F','drcrop':'\u230C','dscr':'\uD835\uDCB9','Dscr':'\uD835\uDC9F','dscy':'\u0455','DScy':'\u0405','dsol':'\u29F6','dstrok':'\u0111','Dstrok':'\u0110','dtdot':'\u22F1','dtri':'\u25BF','dtrif':'\u25BE','duarr':'\u21F5','duhar':'\u296F','dwangle':'\u29A6','dzcy':'\u045F','DZcy':'\u040F','dzigrarr':'\u27FF','eacute':'\xE9','Eacute':'\xC9','easter':'\u2A6E','ecaron':'\u011B','Ecaron':'\u011A','ecir':'\u2256','ecirc':'\xEA','Ecirc':'\xCA','ecolon':'\u2255','ecy':'\u044D','Ecy':'\u042D','eDDot':'\u2A77','edot':'\u0117','eDot':'\u2251','Edot':'\u0116','ee':'\u2147','efDot':'\u2252','efr':'\uD835\uDD22','Efr':'\uD835\uDD08','eg':'\u2A9A','egrave':'\xE8','Egrave':'\xC8','egs':'\u2A96','egsdot':'\u2A98','el':'\u2A99','Element':'\u2208','elinters':'\u23E7','ell':'\u2113','els':'\u2A95','elsdot':'\u2A97','emacr':'\u0113','Emacr':'\u0112','empty':'\u2205','emptyset':'\u2205','EmptySmallSquare':'\u25FB','emptyv':'\u2205','EmptyVerySmallSquare':'\u25AB','emsp':'\u2003','emsp13':'\u2004','emsp14':'\u2005','eng':'\u014B','ENG':'\u014A','ensp':'\u2002','eogon':'\u0119','Eogon':'\u0118','eopf':'\uD835\uDD56','Eopf':'\uD835\uDD3C','epar':'\u22D5','eparsl':'\u29E3','eplus':'\u2A71','epsi':'\u03B5','epsilon':'\u03B5','Epsilon':'\u0395','epsiv':'\u03F5','eqcirc':'\u2256','eqcolon':'\u2255','eqsim':'\u2242','eqslantgtr':'\u2A96','eqslantless':'\u2A95','Equal':'\u2A75','equals':'=','EqualTilde':'\u2242','equest':'\u225F','Equilibrium':'\u21CC','equiv':'\u2261','equivDD':'\u2A78','eqvparsl':'\u29E5','erarr':'\u2971','erDot':'\u2253','escr':'\u212F','Escr':'\u2130','esdot':'\u2250','esim':'\u2242','Esim':'\u2A73','eta':'\u03B7','Eta':'\u0397','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','euro':'\u20AC','excl':'!','exist':'\u2203','Exists':'\u2203','expectation':'\u2130','exponentiale':'\u2147','ExponentialE':'\u2147','fallingdotseq':'\u2252','fcy':'\u0444','Fcy':'\u0424','female':'\u2640','ffilig':'\uFB03','fflig':'\uFB00','ffllig':'\uFB04','ffr':'\uD835\uDD23','Ffr':'\uD835\uDD09','filig':'\uFB01','FilledSmallSquare':'\u25FC','FilledVerySmallSquare':'\u25AA','fjlig':'fj','flat':'\u266D','fllig':'\uFB02','fltns':'\u25B1','fnof':'\u0192','fopf':'\uD835\uDD57','Fopf':'\uD835\uDD3D','forall':'\u2200','ForAll':'\u2200','fork':'\u22D4','forkv':'\u2AD9','Fouriertrf':'\u2131','fpartint':'\u2A0D','frac12':'\xBD','frac13':'\u2153','frac14':'\xBC','frac15':'\u2155','frac16':'\u2159','frac18':'\u215B','frac23':'\u2154','frac25':'\u2156','frac34':'\xBE','frac35':'\u2157','frac38':'\u215C','frac45':'\u2158','frac56':'\u215A','frac58':'\u215D','frac78':'\u215E','frasl':'\u2044','frown':'\u2322','fscr':'\uD835\uDCBB','Fscr':'\u2131','gacute':'\u01F5','gamma':'\u03B3','Gamma':'\u0393','gammad':'\u03DD','Gammad':'\u03DC','gap':'\u2A86','gbreve':'\u011F','Gbreve':'\u011E','Gcedil':'\u0122','gcirc':'\u011D','Gcirc':'\u011C','gcy':'\u0433','Gcy':'\u0413','gdot':'\u0121','Gdot':'\u0120','ge':'\u2265','gE':'\u2267','gel':'\u22DB','gEl':'\u2A8C','geq':'\u2265','geqq':'\u2267','geqslant':'\u2A7E','ges':'\u2A7E','gescc':'\u2AA9','gesdot':'\u2A80','gesdoto':'\u2A82','gesdotol':'\u2A84','gesl':'\u22DB\uFE00','gesles':'\u2A94','gfr':'\uD835\uDD24','Gfr':'\uD835\uDD0A','gg':'\u226B','Gg':'\u22D9','ggg':'\u22D9','gimel':'\u2137','gjcy':'\u0453','GJcy':'\u0403','gl':'\u2277','gla':'\u2AA5','glE':'\u2A92','glj':'\u2AA4','gnap':'\u2A8A','gnapprox':'\u2A8A','gne':'\u2A88','gnE':'\u2269','gneq':'\u2A88','gneqq':'\u2269','gnsim':'\u22E7','gopf':'\uD835\uDD58','Gopf':'\uD835\uDD3E','grave':'`','GreaterEqual':'\u2265','GreaterEqualLess':'\u22DB','GreaterFullEqual':'\u2267','GreaterGreater':'\u2AA2','GreaterLess':'\u2277','GreaterSlantEqual':'\u2A7E','GreaterTilde':'\u2273','gscr':'\u210A','Gscr':'\uD835\uDCA2','gsim':'\u2273','gsime':'\u2A8E','gsiml':'\u2A90','gt':'>','Gt':'\u226B','GT':'>','gtcc':'\u2AA7','gtcir':'\u2A7A','gtdot':'\u22D7','gtlPar':'\u2995','gtquest':'\u2A7C','gtrapprox':'\u2A86','gtrarr':'\u2978','gtrdot':'\u22D7','gtreqless':'\u22DB','gtreqqless':'\u2A8C','gtrless':'\u2277','gtrsim':'\u2273','gvertneqq':'\u2269\uFE00','gvnE':'\u2269\uFE00','Hacek':'\u02C7','hairsp':'\u200A','half':'\xBD','hamilt':'\u210B','hardcy':'\u044A','HARDcy':'\u042A','harr':'\u2194','hArr':'\u21D4','harrcir':'\u2948','harrw':'\u21AD','Hat':'^','hbar':'\u210F','hcirc':'\u0125','Hcirc':'\u0124','hearts':'\u2665','heartsuit':'\u2665','hellip':'\u2026','hercon':'\u22B9','hfr':'\uD835\uDD25','Hfr':'\u210C','HilbertSpace':'\u210B','hksearow':'\u2925','hkswarow':'\u2926','hoarr':'\u21FF','homtht':'\u223B','hookleftarrow':'\u21A9','hookrightarrow':'\u21AA','hopf':'\uD835\uDD59','Hopf':'\u210D','horbar':'\u2015','HorizontalLine':'\u2500','hscr':'\uD835\uDCBD','Hscr':'\u210B','hslash':'\u210F','hstrok':'\u0127','Hstrok':'\u0126','HumpDownHump':'\u224E','HumpEqual':'\u224F','hybull':'\u2043','hyphen':'\u2010','iacute':'\xED','Iacute':'\xCD','ic':'\u2063','icirc':'\xEE','Icirc':'\xCE','icy':'\u0438','Icy':'\u0418','Idot':'\u0130','iecy':'\u0435','IEcy':'\u0415','iexcl':'\xA1','iff':'\u21D4','ifr':'\uD835\uDD26','Ifr':'\u2111','igrave':'\xEC','Igrave':'\xCC','ii':'\u2148','iiiint':'\u2A0C','iiint':'\u222D','iinfin':'\u29DC','iiota':'\u2129','ijlig':'\u0133','IJlig':'\u0132','Im':'\u2111','imacr':'\u012B','Imacr':'\u012A','image':'\u2111','ImaginaryI':'\u2148','imagline':'\u2110','imagpart':'\u2111','imath':'\u0131','imof':'\u22B7','imped':'\u01B5','Implies':'\u21D2','in':'\u2208','incare':'\u2105','infin':'\u221E','infintie':'\u29DD','inodot':'\u0131','int':'\u222B','Int':'\u222C','intcal':'\u22BA','integers':'\u2124','Integral':'\u222B','intercal':'\u22BA','Intersection':'\u22C2','intlarhk':'\u2A17','intprod':'\u2A3C','InvisibleComma':'\u2063','InvisibleTimes':'\u2062','iocy':'\u0451','IOcy':'\u0401','iogon':'\u012F','Iogon':'\u012E','iopf':'\uD835\uDD5A','Iopf':'\uD835\uDD40','iota':'\u03B9','Iota':'\u0399','iprod':'\u2A3C','iquest':'\xBF','iscr':'\uD835\uDCBE','Iscr':'\u2110','isin':'\u2208','isindot':'\u22F5','isinE':'\u22F9','isins':'\u22F4','isinsv':'\u22F3','isinv':'\u2208','it':'\u2062','itilde':'\u0129','Itilde':'\u0128','iukcy':'\u0456','Iukcy':'\u0406','iuml':'\xEF','Iuml':'\xCF','jcirc':'\u0135','Jcirc':'\u0134','jcy':'\u0439','Jcy':'\u0419','jfr':'\uD835\uDD27','Jfr':'\uD835\uDD0D','jmath':'\u0237','jopf':'\uD835\uDD5B','Jopf':'\uD835\uDD41','jscr':'\uD835\uDCBF','Jscr':'\uD835\uDCA5','jsercy':'\u0458','Jsercy':'\u0408','jukcy':'\u0454','Jukcy':'\u0404','kappa':'\u03BA','Kappa':'\u039A','kappav':'\u03F0','kcedil':'\u0137','Kcedil':'\u0136','kcy':'\u043A','Kcy':'\u041A','kfr':'\uD835\uDD28','Kfr':'\uD835\uDD0E','kgreen':'\u0138','khcy':'\u0445','KHcy':'\u0425','kjcy':'\u045C','KJcy':'\u040C','kopf':'\uD835\uDD5C','Kopf':'\uD835\uDD42','kscr':'\uD835\uDCC0','Kscr':'\uD835\uDCA6','lAarr':'\u21DA','lacute':'\u013A','Lacute':'\u0139','laemptyv':'\u29B4','lagran':'\u2112','lambda':'\u03BB','Lambda':'\u039B','lang':'\u27E8','Lang':'\u27EA','langd':'\u2991','langle':'\u27E8','lap':'\u2A85','Laplacetrf':'\u2112','laquo':'\xAB','larr':'\u2190','lArr':'\u21D0','Larr':'\u219E','larrb':'\u21E4','larrbfs':'\u291F','larrfs':'\u291D','larrhk':'\u21A9','larrlp':'\u21AB','larrpl':'\u2939','larrsim':'\u2973','larrtl':'\u21A2','lat':'\u2AAB','latail':'\u2919','lAtail':'\u291B','late':'\u2AAD','lates':'\u2AAD\uFE00','lbarr':'\u290C','lBarr':'\u290E','lbbrk':'\u2772','lbrace':'{','lbrack':'[','lbrke':'\u298B','lbrksld':'\u298F','lbrkslu':'\u298D','lcaron':'\u013E','Lcaron':'\u013D','lcedil':'\u013C','Lcedil':'\u013B','lceil':'\u2308','lcub':'{','lcy':'\u043B','Lcy':'\u041B','ldca':'\u2936','ldquo':'\u201C','ldquor':'\u201E','ldrdhar':'\u2967','ldrushar':'\u294B','ldsh':'\u21B2','le':'\u2264','lE':'\u2266','LeftAngleBracket':'\u27E8','leftarrow':'\u2190','Leftarrow':'\u21D0','LeftArrow':'\u2190','LeftArrowBar':'\u21E4','LeftArrowRightArrow':'\u21C6','leftarrowtail':'\u21A2','LeftCeiling':'\u2308','LeftDoubleBracket':'\u27E6','LeftDownTeeVector':'\u2961','LeftDownVector':'\u21C3','LeftDownVectorBar':'\u2959','LeftFloor':'\u230A','leftharpoondown':'\u21BD','leftharpoonup':'\u21BC','leftleftarrows':'\u21C7','leftrightarrow':'\u2194','Leftrightarrow':'\u21D4','LeftRightArrow':'\u2194','leftrightarrows':'\u21C6','leftrightharpoons':'\u21CB','leftrightsquigarrow':'\u21AD','LeftRightVector':'\u294E','LeftTee':'\u22A3','LeftTeeArrow':'\u21A4','LeftTeeVector':'\u295A','leftthreetimes':'\u22CB','LeftTriangle':'\u22B2','LeftTriangleBar':'\u29CF','LeftTriangleEqual':'\u22B4','LeftUpDownVector':'\u2951','LeftUpTeeVector':'\u2960','LeftUpVector':'\u21BF','LeftUpVectorBar':'\u2958','LeftVector':'\u21BC','LeftVectorBar':'\u2952','leg':'\u22DA','lEg':'\u2A8B','leq':'\u2264','leqq':'\u2266','leqslant':'\u2A7D','les':'\u2A7D','lescc':'\u2AA8','lesdot':'\u2A7F','lesdoto':'\u2A81','lesdotor':'\u2A83','lesg':'\u22DA\uFE00','lesges':'\u2A93','lessapprox':'\u2A85','lessdot':'\u22D6','lesseqgtr':'\u22DA','lesseqqgtr':'\u2A8B','LessEqualGreater':'\u22DA','LessFullEqual':'\u2266','LessGreater':'\u2276','lessgtr':'\u2276','LessLess':'\u2AA1','lesssim':'\u2272','LessSlantEqual':'\u2A7D','LessTilde':'\u2272','lfisht':'\u297C','lfloor':'\u230A','lfr':'\uD835\uDD29','Lfr':'\uD835\uDD0F','lg':'\u2276','lgE':'\u2A91','lHar':'\u2962','lhard':'\u21BD','lharu':'\u21BC','lharul':'\u296A','lhblk':'\u2584','ljcy':'\u0459','LJcy':'\u0409','ll':'\u226A','Ll':'\u22D8','llarr':'\u21C7','llcorner':'\u231E','Lleftarrow':'\u21DA','llhard':'\u296B','lltri':'\u25FA','lmidot':'\u0140','Lmidot':'\u013F','lmoust':'\u23B0','lmoustache':'\u23B0','lnap':'\u2A89','lnapprox':'\u2A89','lne':'\u2A87','lnE':'\u2268','lneq':'\u2A87','lneqq':'\u2268','lnsim':'\u22E6','loang':'\u27EC','loarr':'\u21FD','lobrk':'\u27E6','longleftarrow':'\u27F5','Longleftarrow':'\u27F8','LongLeftArrow':'\u27F5','longleftrightarrow':'\u27F7','Longleftrightarrow':'\u27FA','LongLeftRightArrow':'\u27F7','longmapsto':'\u27FC','longrightarrow':'\u27F6','Longrightarrow':'\u27F9','LongRightArrow':'\u27F6','looparrowleft':'\u21AB','looparrowright':'\u21AC','lopar':'\u2985','lopf':'\uD835\uDD5D','Lopf':'\uD835\uDD43','loplus':'\u2A2D','lotimes':'\u2A34','lowast':'\u2217','lowbar':'_','LowerLeftArrow':'\u2199','LowerRightArrow':'\u2198','loz':'\u25CA','lozenge':'\u25CA','lozf':'\u29EB','lpar':'(','lparlt':'\u2993','lrarr':'\u21C6','lrcorner':'\u231F','lrhar':'\u21CB','lrhard':'\u296D','lrm':'\u200E','lrtri':'\u22BF','lsaquo':'\u2039','lscr':'\uD835\uDCC1','Lscr':'\u2112','lsh':'\u21B0','Lsh':'\u21B0','lsim':'\u2272','lsime':'\u2A8D','lsimg':'\u2A8F','lsqb':'[','lsquo':'\u2018','lsquor':'\u201A','lstrok':'\u0142','Lstrok':'\u0141','lt':'<','Lt':'\u226A','LT':'<','ltcc':'\u2AA6','ltcir':'\u2A79','ltdot':'\u22D6','lthree':'\u22CB','ltimes':'\u22C9','ltlarr':'\u2976','ltquest':'\u2A7B','ltri':'\u25C3','ltrie':'\u22B4','ltrif':'\u25C2','ltrPar':'\u2996','lurdshar':'\u294A','luruhar':'\u2966','lvertneqq':'\u2268\uFE00','lvnE':'\u2268\uFE00','macr':'\xAF','male':'\u2642','malt':'\u2720','maltese':'\u2720','map':'\u21A6','Map':'\u2905','mapsto':'\u21A6','mapstodown':'\u21A7','mapstoleft':'\u21A4','mapstoup':'\u21A5','marker':'\u25AE','mcomma':'\u2A29','mcy':'\u043C','Mcy':'\u041C','mdash':'\u2014','mDDot':'\u223A','measuredangle':'\u2221','MediumSpace':'\u205F','Mellintrf':'\u2133','mfr':'\uD835\uDD2A','Mfr':'\uD835\uDD10','mho':'\u2127','micro':'\xB5','mid':'\u2223','midast':'*','midcir':'\u2AF0','middot':'\xB7','minus':'\u2212','minusb':'\u229F','minusd':'\u2238','minusdu':'\u2A2A','MinusPlus':'\u2213','mlcp':'\u2ADB','mldr':'\u2026','mnplus':'\u2213','models':'\u22A7','mopf':'\uD835\uDD5E','Mopf':'\uD835\uDD44','mp':'\u2213','mscr':'\uD835\uDCC2','Mscr':'\u2133','mstpos':'\u223E','mu':'\u03BC','Mu':'\u039C','multimap':'\u22B8','mumap':'\u22B8','nabla':'\u2207','nacute':'\u0144','Nacute':'\u0143','nang':'\u2220\u20D2','nap':'\u2249','napE':'\u2A70\u0338','napid':'\u224B\u0338','napos':'\u0149','napprox':'\u2249','natur':'\u266E','natural':'\u266E','naturals':'\u2115','nbsp':'\xA0','nbump':'\u224E\u0338','nbumpe':'\u224F\u0338','ncap':'\u2A43','ncaron':'\u0148','Ncaron':'\u0147','ncedil':'\u0146','Ncedil':'\u0145','ncong':'\u2247','ncongdot':'\u2A6D\u0338','ncup':'\u2A42','ncy':'\u043D','Ncy':'\u041D','ndash':'\u2013','ne':'\u2260','nearhk':'\u2924','nearr':'\u2197','neArr':'\u21D7','nearrow':'\u2197','nedot':'\u2250\u0338','NegativeMediumSpace':'\u200B','NegativeThickSpace':'\u200B','NegativeThinSpace':'\u200B','NegativeVeryThinSpace':'\u200B','nequiv':'\u2262','nesear':'\u2928','nesim':'\u2242\u0338','NestedGreaterGreater':'\u226B','NestedLessLess':'\u226A','NewLine':'\n','nexist':'\u2204','nexists':'\u2204','nfr':'\uD835\uDD2B','Nfr':'\uD835\uDD11','nge':'\u2271','ngE':'\u2267\u0338','ngeq':'\u2271','ngeqq':'\u2267\u0338','ngeqslant':'\u2A7E\u0338','nges':'\u2A7E\u0338','nGg':'\u22D9\u0338','ngsim':'\u2275','ngt':'\u226F','nGt':'\u226B\u20D2','ngtr':'\u226F','nGtv':'\u226B\u0338','nharr':'\u21AE','nhArr':'\u21CE','nhpar':'\u2AF2','ni':'\u220B','nis':'\u22FC','nisd':'\u22FA','niv':'\u220B','njcy':'\u045A','NJcy':'\u040A','nlarr':'\u219A','nlArr':'\u21CD','nldr':'\u2025','nle':'\u2270','nlE':'\u2266\u0338','nleftarrow':'\u219A','nLeftarrow':'\u21CD','nleftrightarrow':'\u21AE','nLeftrightarrow':'\u21CE','nleq':'\u2270','nleqq':'\u2266\u0338','nleqslant':'\u2A7D\u0338','nles':'\u2A7D\u0338','nless':'\u226E','nLl':'\u22D8\u0338','nlsim':'\u2274','nlt':'\u226E','nLt':'\u226A\u20D2','nltri':'\u22EA','nltrie':'\u22EC','nLtv':'\u226A\u0338','nmid':'\u2224','NoBreak':'\u2060','NonBreakingSpace':'\xA0','nopf':'\uD835\uDD5F','Nopf':'\u2115','not':'\xAC','Not':'\u2AEC','NotCongruent':'\u2262','NotCupCap':'\u226D','NotDoubleVerticalBar':'\u2226','NotElement':'\u2209','NotEqual':'\u2260','NotEqualTilde':'\u2242\u0338','NotExists':'\u2204','NotGreater':'\u226F','NotGreaterEqual':'\u2271','NotGreaterFullEqual':'\u2267\u0338','NotGreaterGreater':'\u226B\u0338','NotGreaterLess':'\u2279','NotGreaterSlantEqual':'\u2A7E\u0338','NotGreaterTilde':'\u2275','NotHumpDownHump':'\u224E\u0338','NotHumpEqual':'\u224F\u0338','notin':'\u2209','notindot':'\u22F5\u0338','notinE':'\u22F9\u0338','notinva':'\u2209','notinvb':'\u22F7','notinvc':'\u22F6','NotLeftTriangle':'\u22EA','NotLeftTriangleBar':'\u29CF\u0338','NotLeftTriangleEqual':'\u22EC','NotLess':'\u226E','NotLessEqual':'\u2270','NotLessGreater':'\u2278','NotLessLess':'\u226A\u0338','NotLessSlantEqual':'\u2A7D\u0338','NotLessTilde':'\u2274','NotNestedGreaterGreater':'\u2AA2\u0338','NotNestedLessLess':'\u2AA1\u0338','notni':'\u220C','notniva':'\u220C','notnivb':'\u22FE','notnivc':'\u22FD','NotPrecedes':'\u2280','NotPrecedesEqual':'\u2AAF\u0338','NotPrecedesSlantEqual':'\u22E0','NotReverseElement':'\u220C','NotRightTriangle':'\u22EB','NotRightTriangleBar':'\u29D0\u0338','NotRightTriangleEqual':'\u22ED','NotSquareSubset':'\u228F\u0338','NotSquareSubsetEqual':'\u22E2','NotSquareSuperset':'\u2290\u0338','NotSquareSupersetEqual':'\u22E3','NotSubset':'\u2282\u20D2','NotSubsetEqual':'\u2288','NotSucceeds':'\u2281','NotSucceedsEqual':'\u2AB0\u0338','NotSucceedsSlantEqual':'\u22E1','NotSucceedsTilde':'\u227F\u0338','NotSuperset':'\u2283\u20D2','NotSupersetEqual':'\u2289','NotTilde':'\u2241','NotTildeEqual':'\u2244','NotTildeFullEqual':'\u2247','NotTildeTilde':'\u2249','NotVerticalBar':'\u2224','npar':'\u2226','nparallel':'\u2226','nparsl':'\u2AFD\u20E5','npart':'\u2202\u0338','npolint':'\u2A14','npr':'\u2280','nprcue':'\u22E0','npre':'\u2AAF\u0338','nprec':'\u2280','npreceq':'\u2AAF\u0338','nrarr':'\u219B','nrArr':'\u21CF','nrarrc':'\u2933\u0338','nrarrw':'\u219D\u0338','nrightarrow':'\u219B','nRightarrow':'\u21CF','nrtri':'\u22EB','nrtrie':'\u22ED','nsc':'\u2281','nsccue':'\u22E1','nsce':'\u2AB0\u0338','nscr':'\uD835\uDCC3','Nscr':'\uD835\uDCA9','nshortmid':'\u2224','nshortparallel':'\u2226','nsim':'\u2241','nsime':'\u2244','nsimeq':'\u2244','nsmid':'\u2224','nspar':'\u2226','nsqsube':'\u22E2','nsqsupe':'\u22E3','nsub':'\u2284','nsube':'\u2288','nsubE':'\u2AC5\u0338','nsubset':'\u2282\u20D2','nsubseteq':'\u2288','nsubseteqq':'\u2AC5\u0338','nsucc':'\u2281','nsucceq':'\u2AB0\u0338','nsup':'\u2285','nsupe':'\u2289','nsupE':'\u2AC6\u0338','nsupset':'\u2283\u20D2','nsupseteq':'\u2289','nsupseteqq':'\u2AC6\u0338','ntgl':'\u2279','ntilde':'\xF1','Ntilde':'\xD1','ntlg':'\u2278','ntriangleleft':'\u22EA','ntrianglelefteq':'\u22EC','ntriangleright':'\u22EB','ntrianglerighteq':'\u22ED','nu':'\u03BD','Nu':'\u039D','num':'#','numero':'\u2116','numsp':'\u2007','nvap':'\u224D\u20D2','nvdash':'\u22AC','nvDash':'\u22AD','nVdash':'\u22AE','nVDash':'\u22AF','nvge':'\u2265\u20D2','nvgt':'>\u20D2','nvHarr':'\u2904','nvinfin':'\u29DE','nvlArr':'\u2902','nvle':'\u2264\u20D2','nvlt':'<\u20D2','nvltrie':'\u22B4\u20D2','nvrArr':'\u2903','nvrtrie':'\u22B5\u20D2','nvsim':'\u223C\u20D2','nwarhk':'\u2923','nwarr':'\u2196','nwArr':'\u21D6','nwarrow':'\u2196','nwnear':'\u2927','oacute':'\xF3','Oacute':'\xD3','oast':'\u229B','ocir':'\u229A','ocirc':'\xF4','Ocirc':'\xD4','ocy':'\u043E','Ocy':'\u041E','odash':'\u229D','odblac':'\u0151','Odblac':'\u0150','odiv':'\u2A38','odot':'\u2299','odsold':'\u29BC','oelig':'\u0153','OElig':'\u0152','ofcir':'\u29BF','ofr':'\uD835\uDD2C','Ofr':'\uD835\uDD12','ogon':'\u02DB','ograve':'\xF2','Ograve':'\xD2','ogt':'\u29C1','ohbar':'\u29B5','ohm':'\u03A9','oint':'\u222E','olarr':'\u21BA','olcir':'\u29BE','olcross':'\u29BB','oline':'\u203E','olt':'\u29C0','omacr':'\u014D','Omacr':'\u014C','omega':'\u03C9','Omega':'\u03A9','omicron':'\u03BF','Omicron':'\u039F','omid':'\u29B6','ominus':'\u2296','oopf':'\uD835\uDD60','Oopf':'\uD835\uDD46','opar':'\u29B7','OpenCurlyDoubleQuote':'\u201C','OpenCurlyQuote':'\u2018','operp':'\u29B9','oplus':'\u2295','or':'\u2228','Or':'\u2A54','orarr':'\u21BB','ord':'\u2A5D','order':'\u2134','orderof':'\u2134','ordf':'\xAA','ordm':'\xBA','origof':'\u22B6','oror':'\u2A56','orslope':'\u2A57','orv':'\u2A5B','oS':'\u24C8','oscr':'\u2134','Oscr':'\uD835\uDCAA','oslash':'\xF8','Oslash':'\xD8','osol':'\u2298','otilde':'\xF5','Otilde':'\xD5','otimes':'\u2297','Otimes':'\u2A37','otimesas':'\u2A36','ouml':'\xF6','Ouml':'\xD6','ovbar':'\u233D','OverBar':'\u203E','OverBrace':'\u23DE','OverBracket':'\u23B4','OverParenthesis':'\u23DC','par':'\u2225','para':'\xB6','parallel':'\u2225','parsim':'\u2AF3','parsl':'\u2AFD','part':'\u2202','PartialD':'\u2202','pcy':'\u043F','Pcy':'\u041F','percnt':'%','period':'.','permil':'\u2030','perp':'\u22A5','pertenk':'\u2031','pfr':'\uD835\uDD2D','Pfr':'\uD835\uDD13','phi':'\u03C6','Phi':'\u03A6','phiv':'\u03D5','phmmat':'\u2133','phone':'\u260E','pi':'\u03C0','Pi':'\u03A0','pitchfork':'\u22D4','piv':'\u03D6','planck':'\u210F','planckh':'\u210E','plankv':'\u210F','plus':'+','plusacir':'\u2A23','plusb':'\u229E','pluscir':'\u2A22','plusdo':'\u2214','plusdu':'\u2A25','pluse':'\u2A72','PlusMinus':'\xB1','plusmn':'\xB1','plussim':'\u2A26','plustwo':'\u2A27','pm':'\xB1','Poincareplane':'\u210C','pointint':'\u2A15','popf':'\uD835\uDD61','Popf':'\u2119','pound':'\xA3','pr':'\u227A','Pr':'\u2ABB','prap':'\u2AB7','prcue':'\u227C','pre':'\u2AAF','prE':'\u2AB3','prec':'\u227A','precapprox':'\u2AB7','preccurlyeq':'\u227C','Precedes':'\u227A','PrecedesEqual':'\u2AAF','PrecedesSlantEqual':'\u227C','PrecedesTilde':'\u227E','preceq':'\u2AAF','precnapprox':'\u2AB9','precneqq':'\u2AB5','precnsim':'\u22E8','precsim':'\u227E','prime':'\u2032','Prime':'\u2033','primes':'\u2119','prnap':'\u2AB9','prnE':'\u2AB5','prnsim':'\u22E8','prod':'\u220F','Product':'\u220F','profalar':'\u232E','profline':'\u2312','profsurf':'\u2313','prop':'\u221D','Proportion':'\u2237','Proportional':'\u221D','propto':'\u221D','prsim':'\u227E','prurel':'\u22B0','pscr':'\uD835\uDCC5','Pscr':'\uD835\uDCAB','psi':'\u03C8','Psi':'\u03A8','puncsp':'\u2008','qfr':'\uD835\uDD2E','Qfr':'\uD835\uDD14','qint':'\u2A0C','qopf':'\uD835\uDD62','Qopf':'\u211A','qprime':'\u2057','qscr':'\uD835\uDCC6','Qscr':'\uD835\uDCAC','quaternions':'\u210D','quatint':'\u2A16','quest':'?','questeq':'\u225F','quot':'"','QUOT':'"','rAarr':'\u21DB','race':'\u223D\u0331','racute':'\u0155','Racute':'\u0154','radic':'\u221A','raemptyv':'\u29B3','rang':'\u27E9','Rang':'\u27EB','rangd':'\u2992','range':'\u29A5','rangle':'\u27E9','raquo':'\xBB','rarr':'\u2192','rArr':'\u21D2','Rarr':'\u21A0','rarrap':'\u2975','rarrb':'\u21E5','rarrbfs':'\u2920','rarrc':'\u2933','rarrfs':'\u291E','rarrhk':'\u21AA','rarrlp':'\u21AC','rarrpl':'\u2945','rarrsim':'\u2974','rarrtl':'\u21A3','Rarrtl':'\u2916','rarrw':'\u219D','ratail':'\u291A','rAtail':'\u291C','ratio':'\u2236','rationals':'\u211A','rbarr':'\u290D','rBarr':'\u290F','RBarr':'\u2910','rbbrk':'\u2773','rbrace':'}','rbrack':']','rbrke':'\u298C','rbrksld':'\u298E','rbrkslu':'\u2990','rcaron':'\u0159','Rcaron':'\u0158','rcedil':'\u0157','Rcedil':'\u0156','rceil':'\u2309','rcub':'}','rcy':'\u0440','Rcy':'\u0420','rdca':'\u2937','rdldhar':'\u2969','rdquo':'\u201D','rdquor':'\u201D','rdsh':'\u21B3','Re':'\u211C','real':'\u211C','realine':'\u211B','realpart':'\u211C','reals':'\u211D','rect':'\u25AD','reg':'\xAE','REG':'\xAE','ReverseElement':'\u220B','ReverseEquilibrium':'\u21CB','ReverseUpEquilibrium':'\u296F','rfisht':'\u297D','rfloor':'\u230B','rfr':'\uD835\uDD2F','Rfr':'\u211C','rHar':'\u2964','rhard':'\u21C1','rharu':'\u21C0','rharul':'\u296C','rho':'\u03C1','Rho':'\u03A1','rhov':'\u03F1','RightAngleBracket':'\u27E9','rightarrow':'\u2192','Rightarrow':'\u21D2','RightArrow':'\u2192','RightArrowBar':'\u21E5','RightArrowLeftArrow':'\u21C4','rightarrowtail':'\u21A3','RightCeiling':'\u2309','RightDoubleBracket':'\u27E7','RightDownTeeVector':'\u295D','RightDownVector':'\u21C2','RightDownVectorBar':'\u2955','RightFloor':'\u230B','rightharpoondown':'\u21C1','rightharpoonup':'\u21C0','rightleftarrows':'\u21C4','rightleftharpoons':'\u21CC','rightrightarrows':'\u21C9','rightsquigarrow':'\u219D','RightTee':'\u22A2','RightTeeArrow':'\u21A6','RightTeeVector':'\u295B','rightthreetimes':'\u22CC','RightTriangle':'\u22B3','RightTriangleBar':'\u29D0','RightTriangleEqual':'\u22B5','RightUpDownVector':'\u294F','RightUpTeeVector':'\u295C','RightUpVector':'\u21BE','RightUpVectorBar':'\u2954','RightVector':'\u21C0','RightVectorBar':'\u2953','ring':'\u02DA','risingdotseq':'\u2253','rlarr':'\u21C4','rlhar':'\u21CC','rlm':'\u200F','rmoust':'\u23B1','rmoustache':'\u23B1','rnmid':'\u2AEE','roang':'\u27ED','roarr':'\u21FE','robrk':'\u27E7','ropar':'\u2986','ropf':'\uD835\uDD63','Ropf':'\u211D','roplus':'\u2A2E','rotimes':'\u2A35','RoundImplies':'\u2970','rpar':')','rpargt':'\u2994','rppolint':'\u2A12','rrarr':'\u21C9','Rrightarrow':'\u21DB','rsaquo':'\u203A','rscr':'\uD835\uDCC7','Rscr':'\u211B','rsh':'\u21B1','Rsh':'\u21B1','rsqb':']','rsquo':'\u2019','rsquor':'\u2019','rthree':'\u22CC','rtimes':'\u22CA','rtri':'\u25B9','rtrie':'\u22B5','rtrif':'\u25B8','rtriltri':'\u29CE','RuleDelayed':'\u29F4','ruluhar':'\u2968','rx':'\u211E','sacute':'\u015B','Sacute':'\u015A','sbquo':'\u201A','sc':'\u227B','Sc':'\u2ABC','scap':'\u2AB8','scaron':'\u0161','Scaron':'\u0160','sccue':'\u227D','sce':'\u2AB0','scE':'\u2AB4','scedil':'\u015F','Scedil':'\u015E','scirc':'\u015D','Scirc':'\u015C','scnap':'\u2ABA','scnE':'\u2AB6','scnsim':'\u22E9','scpolint':'\u2A13','scsim':'\u227F','scy':'\u0441','Scy':'\u0421','sdot':'\u22C5','sdotb':'\u22A1','sdote':'\u2A66','searhk':'\u2925','searr':'\u2198','seArr':'\u21D8','searrow':'\u2198','sect':'\xA7','semi':';','seswar':'\u2929','setminus':'\u2216','setmn':'\u2216','sext':'\u2736','sfr':'\uD835\uDD30','Sfr':'\uD835\uDD16','sfrown':'\u2322','sharp':'\u266F','shchcy':'\u0449','SHCHcy':'\u0429','shcy':'\u0448','SHcy':'\u0428','ShortDownArrow':'\u2193','ShortLeftArrow':'\u2190','shortmid':'\u2223','shortparallel':'\u2225','ShortRightArrow':'\u2192','ShortUpArrow':'\u2191','shy':'\xAD','sigma':'\u03C3','Sigma':'\u03A3','sigmaf':'\u03C2','sigmav':'\u03C2','sim':'\u223C','simdot':'\u2A6A','sime':'\u2243','simeq':'\u2243','simg':'\u2A9E','simgE':'\u2AA0','siml':'\u2A9D','simlE':'\u2A9F','simne':'\u2246','simplus':'\u2A24','simrarr':'\u2972','slarr':'\u2190','SmallCircle':'\u2218','smallsetminus':'\u2216','smashp':'\u2A33','smeparsl':'\u29E4','smid':'\u2223','smile':'\u2323','smt':'\u2AAA','smte':'\u2AAC','smtes':'\u2AAC\uFE00','softcy':'\u044C','SOFTcy':'\u042C','sol':'/','solb':'\u29C4','solbar':'\u233F','sopf':'\uD835\uDD64','Sopf':'\uD835\uDD4A','spades':'\u2660','spadesuit':'\u2660','spar':'\u2225','sqcap':'\u2293','sqcaps':'\u2293\uFE00','sqcup':'\u2294','sqcups':'\u2294\uFE00','Sqrt':'\u221A','sqsub':'\u228F','sqsube':'\u2291','sqsubset':'\u228F','sqsubseteq':'\u2291','sqsup':'\u2290','sqsupe':'\u2292','sqsupset':'\u2290','sqsupseteq':'\u2292','squ':'\u25A1','square':'\u25A1','Square':'\u25A1','SquareIntersection':'\u2293','SquareSubset':'\u228F','SquareSubsetEqual':'\u2291','SquareSuperset':'\u2290','SquareSupersetEqual':'\u2292','SquareUnion':'\u2294','squarf':'\u25AA','squf':'\u25AA','srarr':'\u2192','sscr':'\uD835\uDCC8','Sscr':'\uD835\uDCAE','ssetmn':'\u2216','ssmile':'\u2323','sstarf':'\u22C6','star':'\u2606','Star':'\u22C6','starf':'\u2605','straightepsilon':'\u03F5','straightphi':'\u03D5','strns':'\xAF','sub':'\u2282','Sub':'\u22D0','subdot':'\u2ABD','sube':'\u2286','subE':'\u2AC5','subedot':'\u2AC3','submult':'\u2AC1','subne':'\u228A','subnE':'\u2ACB','subplus':'\u2ABF','subrarr':'\u2979','subset':'\u2282','Subset':'\u22D0','subseteq':'\u2286','subseteqq':'\u2AC5','SubsetEqual':'\u2286','subsetneq':'\u228A','subsetneqq':'\u2ACB','subsim':'\u2AC7','subsub':'\u2AD5','subsup':'\u2AD3','succ':'\u227B','succapprox':'\u2AB8','succcurlyeq':'\u227D','Succeeds':'\u227B','SucceedsEqual':'\u2AB0','SucceedsSlantEqual':'\u227D','SucceedsTilde':'\u227F','succeq':'\u2AB0','succnapprox':'\u2ABA','succneqq':'\u2AB6','succnsim':'\u22E9','succsim':'\u227F','SuchThat':'\u220B','sum':'\u2211','Sum':'\u2211','sung':'\u266A','sup':'\u2283','Sup':'\u22D1','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','supdot':'\u2ABE','supdsub':'\u2AD8','supe':'\u2287','supE':'\u2AC6','supedot':'\u2AC4','Superset':'\u2283','SupersetEqual':'\u2287','suphsol':'\u27C9','suphsub':'\u2AD7','suplarr':'\u297B','supmult':'\u2AC2','supne':'\u228B','supnE':'\u2ACC','supplus':'\u2AC0','supset':'\u2283','Supset':'\u22D1','supseteq':'\u2287','supseteqq':'\u2AC6','supsetneq':'\u228B','supsetneqq':'\u2ACC','supsim':'\u2AC8','supsub':'\u2AD4','supsup':'\u2AD6','swarhk':'\u2926','swarr':'\u2199','swArr':'\u21D9','swarrow':'\u2199','swnwar':'\u292A','szlig':'\xDF','Tab':'\t','target':'\u2316','tau':'\u03C4','Tau':'\u03A4','tbrk':'\u23B4','tcaron':'\u0165','Tcaron':'\u0164','tcedil':'\u0163','Tcedil':'\u0162','tcy':'\u0442','Tcy':'\u0422','tdot':'\u20DB','telrec':'\u2315','tfr':'\uD835\uDD31','Tfr':'\uD835\uDD17','there4':'\u2234','therefore':'\u2234','Therefore':'\u2234','theta':'\u03B8','Theta':'\u0398','thetasym':'\u03D1','thetav':'\u03D1','thickapprox':'\u2248','thicksim':'\u223C','ThickSpace':'\u205F\u200A','thinsp':'\u2009','ThinSpace':'\u2009','thkap':'\u2248','thksim':'\u223C','thorn':'\xFE','THORN':'\xDE','tilde':'\u02DC','Tilde':'\u223C','TildeEqual':'\u2243','TildeFullEqual':'\u2245','TildeTilde':'\u2248','times':'\xD7','timesb':'\u22A0','timesbar':'\u2A31','timesd':'\u2A30','tint':'\u222D','toea':'\u2928','top':'\u22A4','topbot':'\u2336','topcir':'\u2AF1','topf':'\uD835\uDD65','Topf':'\uD835\uDD4B','topfork':'\u2ADA','tosa':'\u2929','tprime':'\u2034','trade':'\u2122','TRADE':'\u2122','triangle':'\u25B5','triangledown':'\u25BF','triangleleft':'\u25C3','trianglelefteq':'\u22B4','triangleq':'\u225C','triangleright':'\u25B9','trianglerighteq':'\u22B5','tridot':'\u25EC','trie':'\u225C','triminus':'\u2A3A','TripleDot':'\u20DB','triplus':'\u2A39','trisb':'\u29CD','tritime':'\u2A3B','trpezium':'\u23E2','tscr':'\uD835\uDCC9','Tscr':'\uD835\uDCAF','tscy':'\u0446','TScy':'\u0426','tshcy':'\u045B','TSHcy':'\u040B','tstrok':'\u0167','Tstrok':'\u0166','twixt':'\u226C','twoheadleftarrow':'\u219E','twoheadrightarrow':'\u21A0','uacute':'\xFA','Uacute':'\xDA','uarr':'\u2191','uArr':'\u21D1','Uarr':'\u219F','Uarrocir':'\u2949','ubrcy':'\u045E','Ubrcy':'\u040E','ubreve':'\u016D','Ubreve':'\u016C','ucirc':'\xFB','Ucirc':'\xDB','ucy':'\u0443','Ucy':'\u0423','udarr':'\u21C5','udblac':'\u0171','Udblac':'\u0170','udhar':'\u296E','ufisht':'\u297E','ufr':'\uD835\uDD32','Ufr':'\uD835\uDD18','ugrave':'\xF9','Ugrave':'\xD9','uHar':'\u2963','uharl':'\u21BF','uharr':'\u21BE','uhblk':'\u2580','ulcorn':'\u231C','ulcorner':'\u231C','ulcrop':'\u230F','ultri':'\u25F8','umacr':'\u016B','Umacr':'\u016A','uml':'\xA8','UnderBar':'_','UnderBrace':'\u23DF','UnderBracket':'\u23B5','UnderParenthesis':'\u23DD','Union':'\u22C3','UnionPlus':'\u228E','uogon':'\u0173','Uogon':'\u0172','uopf':'\uD835\uDD66','Uopf':'\uD835\uDD4C','uparrow':'\u2191','Uparrow':'\u21D1','UpArrow':'\u2191','UpArrowBar':'\u2912','UpArrowDownArrow':'\u21C5','updownarrow':'\u2195','Updownarrow':'\u21D5','UpDownArrow':'\u2195','UpEquilibrium':'\u296E','upharpoonleft':'\u21BF','upharpoonright':'\u21BE','uplus':'\u228E','UpperLeftArrow':'\u2196','UpperRightArrow':'\u2197','upsi':'\u03C5','Upsi':'\u03D2','upsih':'\u03D2','upsilon':'\u03C5','Upsilon':'\u03A5','UpTee':'\u22A5','UpTeeArrow':'\u21A5','upuparrows':'\u21C8','urcorn':'\u231D','urcorner':'\u231D','urcrop':'\u230E','uring':'\u016F','Uring':'\u016E','urtri':'\u25F9','uscr':'\uD835\uDCCA','Uscr':'\uD835\uDCB0','utdot':'\u22F0','utilde':'\u0169','Utilde':'\u0168','utri':'\u25B5','utrif':'\u25B4','uuarr':'\u21C8','uuml':'\xFC','Uuml':'\xDC','uwangle':'\u29A7','vangrt':'\u299C','varepsilon':'\u03F5','varkappa':'\u03F0','varnothing':'\u2205','varphi':'\u03D5','varpi':'\u03D6','varpropto':'\u221D','varr':'\u2195','vArr':'\u21D5','varrho':'\u03F1','varsigma':'\u03C2','varsubsetneq':'\u228A\uFE00','varsubsetneqq':'\u2ACB\uFE00','varsupsetneq':'\u228B\uFE00','varsupsetneqq':'\u2ACC\uFE00','vartheta':'\u03D1','vartriangleleft':'\u22B2','vartriangleright':'\u22B3','vBar':'\u2AE8','Vbar':'\u2AEB','vBarv':'\u2AE9','vcy':'\u0432','Vcy':'\u0412','vdash':'\u22A2','vDash':'\u22A8','Vdash':'\u22A9','VDash':'\u22AB','Vdashl':'\u2AE6','vee':'\u2228','Vee':'\u22C1','veebar':'\u22BB','veeeq':'\u225A','vellip':'\u22EE','verbar':'|','Verbar':'\u2016','vert':'|','Vert':'\u2016','VerticalBar':'\u2223','VerticalLine':'|','VerticalSeparator':'\u2758','VerticalTilde':'\u2240','VeryThinSpace':'\u200A','vfr':'\uD835\uDD33','Vfr':'\uD835\uDD19','vltri':'\u22B2','vnsub':'\u2282\u20D2','vnsup':'\u2283\u20D2','vopf':'\uD835\uDD67','Vopf':'\uD835\uDD4D','vprop':'\u221D','vrtri':'\u22B3','vscr':'\uD835\uDCCB','Vscr':'\uD835\uDCB1','vsubne':'\u228A\uFE00','vsubnE':'\u2ACB\uFE00','vsupne':'\u228B\uFE00','vsupnE':'\u2ACC\uFE00','Vvdash':'\u22AA','vzigzag':'\u299A','wcirc':'\u0175','Wcirc':'\u0174','wedbar':'\u2A5F','wedge':'\u2227','Wedge':'\u22C0','wedgeq':'\u2259','weierp':'\u2118','wfr':'\uD835\uDD34','Wfr':'\uD835\uDD1A','wopf':'\uD835\uDD68','Wopf':'\uD835\uDD4E','wp':'\u2118','wr':'\u2240','wreath':'\u2240','wscr':'\uD835\uDCCC','Wscr':'\uD835\uDCB2','xcap':'\u22C2','xcirc':'\u25EF','xcup':'\u22C3','xdtri':'\u25BD','xfr':'\uD835\uDD35','Xfr':'\uD835\uDD1B','xharr':'\u27F7','xhArr':'\u27FA','xi':'\u03BE','Xi':'\u039E','xlarr':'\u27F5','xlArr':'\u27F8','xmap':'\u27FC','xnis':'\u22FB','xodot':'\u2A00','xopf':'\uD835\uDD69','Xopf':'\uD835\uDD4F','xoplus':'\u2A01','xotime':'\u2A02','xrarr':'\u27F6','xrArr':'\u27F9','xscr':'\uD835\uDCCD','Xscr':'\uD835\uDCB3','xsqcup':'\u2A06','xuplus':'\u2A04','xutri':'\u25B3','xvee':'\u22C1','xwedge':'\u22C0','yacute':'\xFD','Yacute':'\xDD','yacy':'\u044F','YAcy':'\u042F','ycirc':'\u0177','Ycirc':'\u0176','ycy':'\u044B','Ycy':'\u042B','yen':'\xA5','yfr':'\uD835\uDD36','Yfr':'\uD835\uDD1C','yicy':'\u0457','YIcy':'\u0407','yopf':'\uD835\uDD6A','Yopf':'\uD835\uDD50','yscr':'\uD835\uDCCE','Yscr':'\uD835\uDCB4','yucy':'\u044E','YUcy':'\u042E','yuml':'\xFF','Yuml':'\u0178','zacute':'\u017A','Zacute':'\u0179','zcaron':'\u017E','Zcaron':'\u017D','zcy':'\u0437','Zcy':'\u0417','zdot':'\u017C','Zdot':'\u017B','zeetrf':'\u2128','ZeroWidthSpace':'\u200B','zeta':'\u03B6','Zeta':'\u0396','zfr':'\uD835\uDD37','Zfr':'\u2128','zhcy':'\u0436','ZHcy':'\u0416','zigrarr':'\u21DD','zopf':'\uD835\uDD6B','Zopf':'\u2124','zscr':'\uD835\uDCCF','Zscr':'\uD835\uDCB5','zwj':'\u200D','zwnj':'\u200C'};
+	var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'};
+	var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'};
+	var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111];
+
+	/*--------------------------------------------------------------------------*/
+
+	var stringFromCharCode = String.fromCharCode;
+
+	var object = {};
+	var hasOwnProperty = object.hasOwnProperty;
+	var has = function(object, propertyName) {
+		return hasOwnProperty.call(object, propertyName);
+	};
+
+	var contains = function(array, value) {
+		var index = -1;
+		var length = array.length;
+		while (++index < length) {
+			if (array[index] == value) {
+				return true;
+			}
+		}
+		return false;
+	};
+
+	var merge = function(options, defaults) {
+		if (!options) {
+			return defaults;
+		}
+		var result = {};
+		var key;
+		for (key in defaults) {
+			// A `hasOwnProperty` check is not needed here, since only recognized
+			// option names are used anyway. Any others are ignored.
+			result[key] = has(options, key) ? options[key] : defaults[key];
+		}
+		return result;
+	};
+
+	// Modified version of `ucs2encode`; see https://mths.be/punycode.
+	var codePointToSymbol = function(codePoint, strict) {
+		var output = '';
+		if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) {
+			// See issue #4:
+			// “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
+			// greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
+			// REPLACEMENT CHARACTER.”
+			if (strict) {
+				parseError('character reference outside the permissible Unicode range');
+			}
+			return '\uFFFD';
+		}
+		if (has(decodeMapNumeric, codePoint)) {
+			if (strict) {
+				parseError('disallowed character reference');
+			}
+			return decodeMapNumeric[codePoint];
+		}
+		if (strict && contains(invalidReferenceCodePoints, codePoint)) {
+			parseError('disallowed character reference');
+		}
+		if (codePoint > 0xFFFF) {
+			codePoint -= 0x10000;
+			output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
+			codePoint = 0xDC00 | codePoint & 0x3FF;
+		}
+		output += stringFromCharCode(codePoint);
+		return output;
+	};
+
+	var hexEscape = function(codePoint) {
+		return '&#x' + codePoint.toString(16).toUpperCase() + ';';
+	};
+
+	var decEscape = function(codePoint) {
+		return '&#' + codePoint + ';';
+	};
+
+	var parseError = function(message) {
+		throw Error('Parse error: ' + message);
+	};
+
+	/*--------------------------------------------------------------------------*/
+
+	var encode = function(string, options) {
+		options = merge(options, encode.options);
+		var strict = options.strict;
+		if (strict && regexInvalidRawCodePoint.test(string)) {
+			parseError('forbidden code point');
+		}
+		var encodeEverything = options.encodeEverything;
+		var useNamedReferences = options.useNamedReferences;
+		var allowUnsafeSymbols = options.allowUnsafeSymbols;
+		var escapeCodePoint = options.decimal ? decEscape : hexEscape;
+
+		var escapeBmpSymbol = function(symbol) {
+			return escapeCodePoint(symbol.charCodeAt(0));
+		};
+
+		if (encodeEverything) {
+			// Encode ASCII symbols.
+			string = string.replace(regexAsciiWhitelist, function(symbol) {
+				// Use named references if requested & possible.
+				if (useNamedReferences && has(encodeMap, symbol)) {
+					return '&' + encodeMap[symbol] + ';';
+				}
+				return escapeBmpSymbol(symbol);
+			});
+			// Shorten a few escapes that represent two symbols, of which at least one
+			// is within the ASCII range.
+			if (useNamedReferences) {
+				string = string
+					.replace(/&gt;\u20D2/g, '&nvgt;')
+					.replace(/&lt;\u20D2/g, '&nvlt;')
+					.replace(/&#x66;&#x6A;/g, '&fjlig;');
+			}
+			// Encode non-ASCII symbols.
+			if (useNamedReferences) {
+				// Encode non-ASCII symbols that can be replaced with a named reference.
+				string = string.replace(regexEncodeNonAscii, function(string) {
+					// Note: there is no need to check `has(encodeMap, string)` here.
+					return '&' + encodeMap[string] + ';';
+				});
+			}
+			// Note: any remaining non-ASCII symbols are handled outside of the `if`.
+		} else if (useNamedReferences) {
+			// Apply named character references.
+			// Encode `<>"'&` using named character references.
+			if (!allowUnsafeSymbols) {
+				string = string.replace(regexEscape, function(string) {
+					return '&' + encodeMap[string] + ';'; // no need to check `has()` here
+				});
+			}
+			// Shorten escapes that represent two symbols, of which at least one is
+			// `<>"'&`.
+			string = string
+				.replace(/&gt;\u20D2/g, '&nvgt;')
+				.replace(/&lt;\u20D2/g, '&nvlt;');
+			// Encode non-ASCII symbols that can be replaced with a named reference.
+			string = string.replace(regexEncodeNonAscii, function(string) {
+				// Note: there is no need to check `has(encodeMap, string)` here.
+				return '&' + encodeMap[string] + ';';
+			});
+		} else if (!allowUnsafeSymbols) {
+			// Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
+			// using named character references.
+			string = string.replace(regexEscape, escapeBmpSymbol);
+		}
+		return string
+			// Encode astral symbols.
+			.replace(regexAstralSymbols, function($0) {
+				// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+				var high = $0.charCodeAt(0);
+				var low = $0.charCodeAt(1);
+				var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
+				return escapeCodePoint(codePoint);
+			})
+			// Encode any remaining BMP symbols that are not printable ASCII symbols
+			// using a hexadecimal escape.
+			.replace(regexBmpWhitelist, escapeBmpSymbol);
+	};
+	// Expose default options (so they can be overridden globally).
+	encode.options = {
+		'allowUnsafeSymbols': false,
+		'encodeEverything': false,
+		'strict': false,
+		'useNamedReferences': false,
+		'decimal' : false
+	};
+
+	var decode = function(html, options) {
+		options = merge(options, decode.options);
+		var strict = options.strict;
+		if (strict && regexInvalidEntity.test(html)) {
+			parseError('malformed character reference');
+		}
+		return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) {
+			var codePoint;
+			var semicolon;
+			var decDigits;
+			var hexDigits;
+			var reference;
+			var next;
+
+			if ($1) {
+				reference = $1;
+				// Note: there is no need to check `has(decodeMap, reference)`.
+				return decodeMap[reference];
+			}
+
+			if ($2) {
+				// Decode named character references without trailing `;`, e.g. `&amp`.
+				// This is only a parse error if it gets converted to `&`, or if it is
+				// followed by `=` in an attribute context.
+				reference = $2;
+				next = $3;
+				if (next && options.isAttributeValue) {
+					if (strict && next == '=') {
+						parseError('`&` did not start a character reference');
+					}
+					return $0;
+				} else {
+					if (strict) {
+						parseError(
+							'named character reference was not terminated by a semicolon'
+						);
+					}
+					// Note: there is no need to check `has(decodeMapLegacy, reference)`.
+					return decodeMapLegacy[reference] + (next || '');
+				}
+			}
+
+			if ($4) {
+				// Decode decimal escapes, e.g. `&#119558;`.
+				decDigits = $4;
+				semicolon = $5;
+				if (strict && !semicolon) {
+					parseError('character reference was not terminated by a semicolon');
+				}
+				codePoint = parseInt(decDigits, 10);
+				return codePointToSymbol(codePoint, strict);
+			}
+
+			if ($6) {
+				// Decode hexadecimal escapes, e.g. `&#x1D306;`.
+				hexDigits = $6;
+				semicolon = $7;
+				if (strict && !semicolon) {
+					parseError('character reference was not terminated by a semicolon');
+				}
+				codePoint = parseInt(hexDigits, 16);
+				return codePointToSymbol(codePoint, strict);
+			}
+
+			// If we’re still here, `if ($7)` is implied; it’s an ambiguous
+			// ampersand for sure. https://mths.be/notes/ambiguous-ampersands
+			if (strict) {
+				parseError(
+					'named character reference was not terminated by a semicolon'
+				);
+			}
+			return $0;
+		});
+	};
+	// Expose default options (so they can be overridden globally).
+	decode.options = {
+		'isAttributeValue': false,
+		'strict': false
+	};
+
+	var escape = function(string) {
+		return string.replace(regexEscape, function($0) {
+			// Note: there is no need to check `has(escapeMap, $0)` here.
+			return escapeMap[$0];
+		});
+	};
+
+	/*--------------------------------------------------------------------------*/
+
+	var he = {
+		'version': '1.2.0',
+		'encode': encode,
+		'decode': decode,
+		'escape': escape,
+		'unescape': decode
+	};
+
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define(function() {
+			return he;
+		});
+	}	else if (freeExports && !freeExports.nodeType) {
+		if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+
+			freeModule.exports = he;
+		} else { // in Narwhal or RingoJS v0.7.0-
+			for (var key in he) {
+				has(he, key) && (freeExports[key] = he[key]);
+			}
+		}
+	} else { // in Rhino or a web browser
+		root.he = he;
+	}
+
+}(this));
diff --git a/web/public/node_modules/he/man/he.1 b/web/public/node_modules/he/man/he.1
new file mode 100644
index 000000000..7696628a3
--- /dev/null
+++ b/web/public/node_modules/he/man/he.1
@@ -0,0 +1,78 @@
+.Dd April 5, 2016
+.Dt he 1
+.Sh NAME
+.Nm he
+.Nd encode/decode HTML entities just like a browser would
+.Sh SYNOPSIS
+.Nm
+.Op Fl -escape Ar string
+.br
+.Op Fl -encode Ar string
+.br
+.Op Fl -encode Fl -use-named-refs Fl -everything Fl -allow-unsafe Ar string
+.br
+.Op Fl -decode Ar string
+.br
+.Op Fl -decode Fl -attribute Ar string
+.br
+.Op Fl -decode Fl -strict Ar string
+.br
+.Op Fl v | -version
+.br
+.Op Fl h | -help
+.Sh DESCRIPTION
+.Nm
+encodes/decodes HTML entities in strings just like a browser would.
+.Sh OPTIONS
+.Bl -ohang -offset
+.It Sy "--escape"
+Take a string of text and escape it for use in text contexts in XML or HTML documents. Only the following characters are escaped: `&`, `<`, `>`, `"`, and `'`.
+.It Sy "--encode"
+Take a string of text and encode any symbols that aren't printable ASCII symbols and that can be replaced with character references. For example, it would turn `©` into `&#xA9;`, but it wouldn't turn `+` into `&#x2B;` since there is no point in doing so. Additionally, it replaces any remaining non-ASCII symbols with a hexadecimal escape sequence (e.g. `&#x1D306;`). The return value of this function is always valid HTML.
+.It Sy "--encode --use-named-refs"
+Enable the use of named character references (like `&copy;`) in the output. If compatibility with older browsers is a concern, don't use this option.
+.It Sy "--encode --everything"
+Encode every symbol in the input string, even safe printable ASCII symbols.
+.It Sy "--encode --allow-unsafe"
+Encode non-ASCII characters only. This leaves unsafe HTML/XML symbols like `&`, `<`, `>`, `"`, and `'` intact.
+.It Sy "--encode --decimal"
+Use decimal digits rather than hexadecimal digits for encoded character references, e.g. output `&#169;` instead of `&#xA9;`.
+.It Sy "--decode"
+Takes a string of HTML and decode any named and numerical character references in it using the algorithm described in the HTML spec.
+.It Sy "--decode --attribute"
+Parse the input as if it was an HTML attribute value rather than a string in an HTML text content.
+.It Sy "--decode --strict"
+Throw an error if an invalid character reference is encountered.
+.It Sy "-v, --version"
+Print he's version.
+.It Sy "-h, --help"
+Show the help screen.
+.El
+.Sh EXIT STATUS
+The
+.Nm he
+utility exits with one of the following values:
+.Pp
+.Bl -tag -width flag -compact
+.It Li 0
+.Nm
+did what it was instructed to do successfully; either it encoded/decoded the input and printed the result, or it printed the version or usage message.
+.It Li 1
+.Nm
+encountered an error.
+.El
+.Sh EXAMPLES
+.Bl -ohang -offset
+.It Sy "he --escape '<script>alert(1)</script>'"
+Print an escaped version of the given string that is safe for use in HTML text contexts, escaping only `&`, `<`, `>`, `"`, and `'`.
+.It Sy "he --decode '&copy;&#x1D306;'"
+Print the decoded version of the given HTML string.
+.It Sy "echo\ '&copy;&#x1D306;'\ |\ he --decode"
+Print the decoded version of the HTML string that gets piped in.
+.El
+.Sh BUGS
+he's bug tracker is located at <https://github.com/mathiasbynens/he/issues>.
+.Sh AUTHOR
+Mathias Bynens <https://mathiasbynens.be/>
+.Sh WWW
+<https://mths.be/he>
diff --git a/web/public/node_modules/he/package.json b/web/public/node_modules/he/package.json
new file mode 100644
index 000000000..76eff3178
--- /dev/null
+++ b/web/public/node_modules/he/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "he",
+  "version": "1.2.0",
+  "description": "A robust HTML entities encoder/decoder with full Unicode support.",
+  "homepage": "https://mths.be/he",
+  "main": "he.js",
+  "bin": "bin/he",
+  "keywords": [
+    "string",
+    "entities",
+    "entity",
+    "html",
+    "encode",
+    "decode",
+    "unicode"
+  ],
+  "license": "MIT",
+  "author": {
+    "name": "Mathias Bynens",
+    "url": "https://mathiasbynens.be/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mathiasbynens/he.git"
+  },
+  "bugs": "https://github.com/mathiasbynens/he/issues",
+  "files": [
+    "LICENSE-MIT.txt",
+    "he.js",
+    "bin/",
+    "man/"
+  ],
+  "directories": {
+    "bin": "bin",
+    "man": "man",
+    "test": "tests"
+  },
+  "scripts": {
+    "test": "node tests/tests.js",
+    "build": "grunt build"
+  },
+  "devDependencies": {
+    "codecov.io": "^0.1.6",
+    "grunt": "^0.4.5",
+    "grunt-cli": "^1.3.1",
+    "grunt-shell": "^1.1.1",
+    "grunt-template": "^0.2.3",
+    "istanbul": "^0.4.2",
+    "jsesc": "^1.0.0",
+    "lodash": "^4.8.2",
+    "qunit-extras": "^1.4.5",
+    "qunitjs": "~1.11.0",
+    "regenerate": "^1.2.1",
+    "regexgen": "^1.3.0",
+    "requirejs": "^2.1.22",
+    "sort-object": "^3.0.2"
+  }
+}
diff --git a/web/public/node_modules/html-encoding-sniffer/LICENSE.txt b/web/public/node_modules/html-encoding-sniffer/LICENSE.txt
new file mode 100644
index 000000000..4220dead3
--- /dev/null
+++ b/web/public/node_modules/html-encoding-sniffer/LICENSE.txt
@@ -0,0 +1,7 @@
+Copyright © Domenic Denicola <d@domenic.me>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/html-encoding-sniffer/README.md b/web/public/node_modules/html-encoding-sniffer/README.md
new file mode 100644
index 000000000..73338eadb
--- /dev/null
+++ b/web/public/node_modules/html-encoding-sniffer/README.md
@@ -0,0 +1,40 @@
+# Determine the Encoding of a HTML Byte Stream
+
+This package implements the HTML Standard's [encoding sniffing algorithm](https://html.spec.whatwg.org/multipage/syntax.html#encoding-sniffing-algorithm) in all its glory. The most interesting part of this is how it pre-scans the first 1024 bytes in order to search for certain `<meta charset>`-related patterns.
+
+```js
+const htmlEncodingSniffer = require("html-encoding-sniffer");
+const fs = require("fs");
+
+const htmlBytes = fs.readFileSync("./html-page.html");
+const sniffedEncoding = htmlEncodingSniffer(htmlBytes);
+```
+
+The passed bytes are given as a `Uint8Array`; the Node.js `Buffer` subclass of `Uint8Array` will also work, as shown above.
+
+The returned value will be a canonical [encoding name](https://encoding.spec.whatwg.org/#names-and-labels) (not a label). You might then combine this with the [whatwg-encoding](https://github.com/jsdom/whatwg-encoding) package to decode the result:
+
+```js
+const whatwgEncoding = require("whatwg-encoding");
+const htmlString = whatwgEncoding.decode(htmlBytes, sniffedEncoding);
+```
+
+## Options
+
+You can pass two potential options to `htmlEncodingSniffer`:
+
+```js
+const sniffedEncoding = htmlEncodingSniffer(htmlBytes, {
+  transportLayerEncodingLabel,
+  defaultEncoding
+});
+```
+
+These represent two possible inputs into the [encoding sniffing algorithm](https://html.spec.whatwg.org/multipage/syntax.html#encoding-sniffing-algorithm):
+
+- `transportLayerEncodingLabel` is an encoding label that is obtained from the "transport layer" (probably a HTTP `Content-Type` header), which overrides everything but a BOM.
+- `defaultEncoding` is the ultimate fallback encoding used if no valid encoding is supplied by the transport layer, and no encoding is sniffed from the bytes. It defaults to `"windows-1252"`, as recommended by the algorithm's table of suggested defaults for "All other locales" (including the `en` locale).
+
+## Credits
+
+This package was originally based on the excellent work of [@nicolashenry](https://github.com/nicolashenry), [in jsdom](https://github.com/tmpvar/jsdom/blob/16fd85618f2705d181232f6552125872a37164bc/lib/jsdom/living/helpers/encoding.js). It has since been pulled out into this separate package.
diff --git a/web/public/node_modules/html-encoding-sniffer/lib/html-encoding-sniffer.js b/web/public/node_modules/html-encoding-sniffer/lib/html-encoding-sniffer.js
new file mode 100644
index 000000000..360341019
--- /dev/null
+++ b/web/public/node_modules/html-encoding-sniffer/lib/html-encoding-sniffer.js
@@ -0,0 +1,295 @@
+"use strict";
+const whatwgEncoding = require("whatwg-encoding");
+
+// https://html.spec.whatwg.org/#encoding-sniffing-algorithm
+module.exports = (uint8Array, { transportLayerEncodingLabel, defaultEncoding = "windows-1252" } = {}) => {
+  let encoding = whatwgEncoding.getBOMEncoding(uint8Array);
+
+  if (encoding === null && transportLayerEncodingLabel !== undefined) {
+    encoding = whatwgEncoding.labelToName(transportLayerEncodingLabel);
+  }
+
+  if (encoding === null) {
+    encoding = prescanMetaCharset(uint8Array);
+  }
+
+  if (encoding === null) {
+    encoding = defaultEncoding;
+  }
+
+  return encoding;
+};
+
+// https://html.spec.whatwg.org/multipage/syntax.html#prescan-a-byte-stream-to-determine-its-encoding
+function prescanMetaCharset(uint8Array) {
+  const l = Math.min(uint8Array.byteLength, 1024);
+  for (let i = 0; i < l; i++) {
+    let c = uint8Array[i];
+    if (c === 0x3C) {
+      // "<"
+      const c1 = uint8Array[i + 1];
+      const c2 = uint8Array[i + 2];
+      const c3 = uint8Array[i + 3];
+      const c4 = uint8Array[i + 4];
+      const c5 = uint8Array[i + 5];
+      // !-- (comment start)
+      if (c1 === 0x21 && c2 === 0x2D && c3 === 0x2D) {
+        i += 4;
+        for (; i < l; i++) {
+          c = uint8Array[i];
+          const cMinus1 = uint8Array[i - 1];
+          const cMinus2 = uint8Array[i - 2];
+          // --> (comment end)
+          if (c === 0x3E && cMinus1 === 0x2D && cMinus2 === 0x2D) {
+            break;
+          }
+        }
+      } else if ((c1 === 0x4D || c1 === 0x6D) &&
+         (c2 === 0x45 || c2 === 0x65) &&
+         (c3 === 0x54 || c3 === 0x74) &&
+         (c4 === 0x41 || c4 === 0x61) &&
+         (isSpaceCharacter(c5) || c5 === 0x2F)) {
+        // "meta" + space or /
+        i += 6;
+        const attributeList = new Set();
+        let gotPragma = false;
+        let needPragma = null;
+        let charset = null;
+
+        let attrRes;
+        do {
+          attrRes = getAttribute(uint8Array, i, l);
+          if (attrRes.attr && !attributeList.has(attrRes.attr.name)) {
+            attributeList.add(attrRes.attr.name);
+            if (attrRes.attr.name === "http-equiv") {
+              gotPragma = attrRes.attr.value === "content-type";
+            } else if (attrRes.attr.name === "content" && !charset) {
+              charset = extractCharacterEncodingFromMeta(attrRes.attr.value);
+              if (charset !== null) {
+                needPragma = true;
+              }
+            } else if (attrRes.attr.name === "charset") {
+              charset = whatwgEncoding.labelToName(attrRes.attr.value);
+              needPragma = false;
+            }
+          }
+          i = attrRes.i;
+        } while (attrRes.attr);
+
+        if (needPragma === null) {
+          continue;
+        }
+        if (needPragma === true && gotPragma === false) {
+          continue;
+        }
+        if (charset === null) {
+          continue;
+        }
+
+        if (charset === "UTF-16LE" || charset === "UTF-16BE") {
+          charset = "UTF-8";
+        }
+        if (charset === "x-user-defined") {
+          charset = "windows-1252";
+        }
+
+        return charset;
+      } else if ((c1 >= 0x41 && c1 <= 0x5A) || (c1 >= 0x61 && c1 <= 0x7A)) {
+        // a-z or A-Z
+        for (i += 2; i < l; i++) {
+          c = uint8Array[i];
+          // space or >
+          if (isSpaceCharacter(c) || c === 0x3E) {
+            break;
+          }
+        }
+        let attrRes;
+        do {
+          attrRes = getAttribute(uint8Array, i, l);
+          i = attrRes.i;
+        } while (attrRes.attr);
+      } else if (c1 === 0x21 || c1 === 0x2F || c1 === 0x3F) {
+        // ! or / or ?
+        for (i += 2; i < l; i++) {
+          c = uint8Array[i];
+          // >
+          if (c === 0x3E) {
+            break;
+          }
+        }
+      }
+    }
+  }
+  return null;
+}
+
+// https://html.spec.whatwg.org/multipage/syntax.html#concept-get-attributes-when-sniffing
+function getAttribute(uint8Array, i, l) {
+  for (; i < l; i++) {
+    let c = uint8Array[i];
+    // space or /
+    if (isSpaceCharacter(c) || c === 0x2F) {
+      continue;
+    }
+    // ">"
+    if (c === 0x3E) {
+      break;
+    }
+    let name = "";
+    let value = "";
+    nameLoop:for (; i < l; i++) {
+      c = uint8Array[i];
+      // "="
+      if (c === 0x3D && name !== "") {
+        i++;
+        break;
+      }
+      // space
+      if (isSpaceCharacter(c)) {
+        for (i++; i < l; i++) {
+          c = uint8Array[i];
+          // space
+          if (isSpaceCharacter(c)) {
+            continue;
+          }
+          // not "="
+          if (c !== 0x3D) {
+            return { attr: { name, value }, i };
+          }
+
+          i++;
+          break nameLoop;
+        }
+        break;
+      }
+      // / or >
+      if (c === 0x2F || c === 0x3E) {
+        return { attr: { name, value }, i };
+      }
+      // A-Z
+      if (c >= 0x41 && c <= 0x5A) {
+        name += String.fromCharCode(c + 0x20); // lowercase
+      } else {
+        name += String.fromCharCode(c);
+      }
+    }
+    c = uint8Array[i];
+    // space
+    if (isSpaceCharacter(c)) {
+      for (i++; i < l; i++) {
+        c = uint8Array[i];
+        // space
+        if (isSpaceCharacter(c)) {
+          continue;
+        } else {
+          break;
+        }
+      }
+    }
+    // " or '
+    if (c === 0x22 || c === 0x27) {
+      const quote = c;
+      for (i++; i < l; i++) {
+        c = uint8Array[i];
+
+        if (c === quote) {
+          i++;
+          return { attr: { name, value }, i };
+        }
+
+        // A-Z
+        if (c >= 0x41 && c <= 0x5A) {
+          value += String.fromCharCode(c + 0x20); // lowercase
+        } else {
+          value += String.fromCharCode(c);
+        }
+      }
+    }
+
+    // >
+    if (c === 0x3E) {
+      return { attr: { name, value }, i };
+    }
+
+    // A-Z
+    if (c >= 0x41 && c <= 0x5A) {
+      value += String.fromCharCode(c + 0x20); // lowercase
+    } else {
+      value += String.fromCharCode(c);
+    }
+
+    for (i++; i < l; i++) {
+      c = uint8Array[i];
+
+      // space or >
+      if (isSpaceCharacter(c) || c === 0x3E) {
+        return { attr: { name, value }, i };
+      }
+
+      // A-Z
+      if (c >= 0x41 && c <= 0x5A) {
+        value += String.fromCharCode(c + 0x20); // lowercase
+      } else {
+        value += String.fromCharCode(c);
+      }
+    }
+  }
+  return { i };
+}
+
+function extractCharacterEncodingFromMeta(string) {
+  let position = 0;
+
+  while (true) {
+    const indexOfCharset = string.substring(position).search(/charset/ui);
+
+    if (indexOfCharset === -1) {
+      return null;
+    }
+    let subPosition = position + indexOfCharset + "charset".length;
+
+    while (isSpaceCharacter(string[subPosition].charCodeAt(0))) {
+      ++subPosition;
+    }
+
+    if (string[subPosition] !== "=") {
+      position = subPosition - 1;
+      continue;
+    }
+
+    ++subPosition;
+
+    while (isSpaceCharacter(string[subPosition].charCodeAt(0))) {
+      ++subPosition;
+    }
+
+    position = subPosition;
+    break;
+  }
+
+  if (string[position] === "\"" || string[position] === "'") {
+    const nextIndex = string.indexOf(string[position], position + 1);
+
+    if (nextIndex !== -1) {
+      return whatwgEncoding.labelToName(string.substring(position + 1, nextIndex));
+    }
+
+    // It is an unmatched quotation mark
+    return null;
+  }
+
+  if (string.length === position + 1) {
+    return null;
+  }
+
+  const indexOfASCIIWhitespaceOrSemicolon = string.substring(position + 1).search(/\x09|\x0A|\x0C|\x0D|\x20|;/u);
+  const end = indexOfASCIIWhitespaceOrSemicolon === -1 ?
+    string.length :
+    position + indexOfASCIIWhitespaceOrSemicolon + 1;
+
+  return whatwgEncoding.labelToName(string.substring(position, end));
+}
+
+function isSpaceCharacter(c) {
+  return c === 0x09 || c === 0x0A || c === 0x0C || c === 0x0D || c === 0x20;
+}
diff --git a/web/public/node_modules/html-encoding-sniffer/package.json b/web/public/node_modules/html-encoding-sniffer/package.json
new file mode 100644
index 000000000..0049e2be9
--- /dev/null
+++ b/web/public/node_modules/html-encoding-sniffer/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "html-encoding-sniffer",
+  "description": "Sniff the encoding from a HTML byte stream",
+  "keywords": [
+    "encoding",
+    "html"
+  ],
+  "version": "3.0.0",
+  "author": "Domenic Denicola <d@domenic.me> (https://domenic.me/)",
+  "license": "MIT",
+  "repository": "jsdom/html-encoding-sniffer",
+  "main": "lib/html-encoding-sniffer.js",
+  "files": [
+    "lib/"
+  ],
+  "scripts": {
+    "test": "mocha",
+    "lint": "eslint ."
+  },
+  "dependencies": {
+    "whatwg-encoding": "^2.0.0"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^1.4.0",
+    "eslint": "^7.32.0",
+    "mocha": "^9.1.1"
+  },
+  "engines": {
+    "node": ">=12"
+  }
+}
diff --git a/web/public/node_modules/http-proxy/.auto-changelog b/web/public/node_modules/http-proxy/.auto-changelog
new file mode 100644
index 000000000..38e245582
--- /dev/null
+++ b/web/public/node_modules/http-proxy/.auto-changelog
@@ -0,0 +1,6 @@
+{
+  "output": "CHANGELOG.md",
+  "template": "keepachangelog",
+  "unreleased": true,
+  "commitLimit": false
+}
\ No newline at end of file
diff --git a/web/public/node_modules/http-proxy/.gitattributes b/web/public/node_modules/http-proxy/.gitattributes
new file mode 100644
index 000000000..1a6bd4587
--- /dev/null
+++ b/web/public/node_modules/http-proxy/.gitattributes
@@ -0,0 +1 @@
+package-lock.json binary
diff --git a/web/public/node_modules/http-proxy/CHANGELOG.md b/web/public/node_modules/http-proxy/CHANGELOG.md
new file mode 100644
index 000000000..6c80d84c4
--- /dev/null
+++ b/web/public/node_modules/http-proxy/CHANGELOG.md
@@ -0,0 +1,1872 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
+
+## [v1.18.1](https://github.com/http-party/node-http-proxy/compare/1.18.0...v1.18.1) - 2020-05-17
+
+### Merged
+
+- Skip sending the proxyReq event when the expect header is present [`#1447`](https://github.com/http-party/node-http-proxy/pull/1447)
+- Remove node6 support, add node12 to build [`#1397`](https://github.com/http-party/node-http-proxy/pull/1397)
+
+## [1.18.0](https://github.com/http-party/node-http-proxy/compare/1.17.0...1.18.0) - 2019-09-18
+
+### Merged
+
+- Added in auto-changelog module set to keepachangelog format [`#1373`](https://github.com/http-party/node-http-proxy/pull/1373)
+- fix 'Modify Response' readme section to avoid unnecessary array copying [`#1300`](https://github.com/http-party/node-http-proxy/pull/1300)
+- Fix incorrect target name for reverse proxy example [`#1135`](https://github.com/http-party/node-http-proxy/pull/1135)
+- Fix modify response middleware example [`#1139`](https://github.com/http-party/node-http-proxy/pull/1139)
+- [dist] Update dependency async to v3 [`#1359`](https://github.com/http-party/node-http-proxy/pull/1359)
+- Fix path to local http-proxy in examples. [`#1072`](https://github.com/http-party/node-http-proxy/pull/1072)
+- fix reverse-proxy example require path [`#1067`](https://github.com/http-party/node-http-proxy/pull/1067)
+- Update README.md [`#970`](https://github.com/http-party/node-http-proxy/pull/970)
+- [dist] Update dependency request to ~2.88.0 [SECURITY] [`#1357`](https://github.com/http-party/node-http-proxy/pull/1357)
+- [dist] Update dependency eventemitter3 to v4 [`#1365`](https://github.com/http-party/node-http-proxy/pull/1365)
+- [dist] Update dependency colors to v1 [`#1360`](https://github.com/http-party/node-http-proxy/pull/1360)
+- [dist] Update all non-major dependencies [`#1356`](https://github.com/http-party/node-http-proxy/pull/1356)
+- [dist] Update dependency agentkeepalive to v4 [`#1358`](https://github.com/http-party/node-http-proxy/pull/1358)
+- [dist] Update dependency nyc to v14 [`#1367`](https://github.com/http-party/node-http-proxy/pull/1367)
+- [dist] Update dependency concat-stream to v2 [`#1363`](https://github.com/http-party/node-http-proxy/pull/1363)
+- x-forwarded-host overwrite for mutli level proxies [`#1267`](https://github.com/http-party/node-http-proxy/pull/1267)
+- [refactor doc] Complete rename to http-party org. [`#1362`](https://github.com/http-party/node-http-proxy/pull/1362)
+- Highlight correct lines for createProxyServer [`#1117`](https://github.com/http-party/node-http-proxy/pull/1117)
+- Fix docs for rewrite options - 201 also handled [`#1147`](https://github.com/http-party/node-http-proxy/pull/1147)
+- Update .nyc_output [`#1339`](https://github.com/http-party/node-http-proxy/pull/1339)
+- Configure Renovate [`#1355`](https://github.com/http-party/node-http-proxy/pull/1355)
+- [examples] Restream body before proxying, support for Content-Type of application/x-www-form-urlencoded [`#1264`](https://github.com/http-party/node-http-proxy/pull/1264)
+
+### Commits
+
+- [dist] New test fixtures. [`7e4a0e5`](https://github.com/http-party/node-http-proxy/commit/7e4a0e511bc30c059216860153301de2cdd1e97f)
+- [dist] End of an era. [`a9b09cc`](https://github.com/http-party/node-http-proxy/commit/a9b09cce43f072db99fb5170030a05536177ccb7)
+- [dist] Version bump. 1.18.0 [`9bbe486`](https://github.com/http-party/node-http-proxy/commit/9bbe486c5efcc356fb4d189ef38eee275bbde345)
+- [fix] Latest versions. [`59c4403`](https://github.com/http-party/node-http-proxy/commit/59c4403e9dc15ab9b19ee2a3f4aecbfc6c3d94c4)
+- [fix test] Update tests. [`dd1d08b`](https://github.com/http-party/node-http-proxy/commit/dd1d08b6319d1def729554446a5b0176978a8dad)
+- [dist] Update dependency ws to v3 [SECURITY] [`b00911c`](https://github.com/http-party/node-http-proxy/commit/b00911c93740a00c5cfbacbb91565cb6912ed255)
+- [dist] .gitattributes all the things. [`fc93520`](https://github.com/http-party/node-http-proxy/commit/fc93520d741ec80be8ae31ca005f3e9c199e330e)
+- [dist] Regenerate package-lock.json. [`16d4f8a`](https://github.com/http-party/node-http-proxy/commit/16d4f8a95162b2e2e4ee6657c500f1208c044b2d)
+
+## [1.17.0](https://github.com/http-party/node-http-proxy/compare/1.16.2...1.17.0) - 2018-04-20
+
+### Merged
+
+- Fix overwriting of global options [`#1074`](https://github.com/http-party/node-http-proxy/pull/1074)
+- Update README.md [`#1131`](https://github.com/http-party/node-http-proxy/pull/1131)
+- Update README.md with CoC link [`#1120`](https://github.com/http-party/node-http-proxy/pull/1120)
+- Add Code Of Conduct [`#1119`](https://github.com/http-party/node-http-proxy/pull/1119)
+- [deps] Update eventemitter3 to version 2.0.x [`#1109`](https://github.com/http-party/node-http-proxy/pull/1109)
+
+### Fixed
+
+- Fix "Can't set headers after they are sent" errors [`#930`](https://github.com/http-party/node-http-proxy/issues/930)
+- Include websocket non-upgrade response [`#890`](https://github.com/http-party/node-http-proxy/issues/890)
+
+### Commits
+
+- Add followRedirects option [`c9a556c`](https://github.com/http-party/node-http-proxy/commit/c9a556cfa57c7ce0b877e16f2c2e1448d8cc278d)
+- [test] add test for selfHandleRequest and remove modifyResponse as selfHandleRequest is the only way that functionality works [`4a37175`](https://github.com/http-party/node-http-proxy/commit/4a37175a5296d2ea2da0fc15a3f8fe08599bb592)
+- Adding ability to set cookie path [`2c98416`](https://github.com/http-party/node-http-proxy/commit/2c98416ac2bf17bb5f515b9e10ee4485f5913846)
+- Updating docs and adding more tests. [`f5c2381`](https://github.com/http-party/node-http-proxy/commit/f5c2381395e01bf8d6655cc70e14032c8f0aaa67)
+- [dist] make tests work reliably, add package-lock.json [`09dcb98`](https://github.com/http-party/node-http-proxy/commit/09dcb984565dabb159a01a75a188b974f8c176ad)
+- add support for modify response [`e5c02b8`](https://github.com/http-party/node-http-proxy/commit/e5c02b8a8a902e204eee886acafbbfe46c4a3aef)
+- [wip] proper tests and reporting [`f4ff100`](https://github.com/http-party/node-http-proxy/commit/f4ff1006b9e71eb4185a3edf03333dbe514a84c9)
+- Add detail about "buffer" option [`6f88caf`](https://github.com/http-party/node-http-proxy/commit/6f88caf6e46d84a809910c591e138250b333b39f)
+- Add use case for proxy to HTTPS using a PKCS12 client certificate [`d2f9db8`](https://github.com/http-party/node-http-proxy/commit/d2f9db824136358a06dc3dd566644f3a016f24e2)
+- [test] for override method feature [`81d58c5`](https://github.com/http-party/node-http-proxy/commit/81d58c531be3f61efb56d2489a66c73a7b2325fe)
+- [dist] doc updates [`e94d529`](https://github.com/http-party/node-http-proxy/commit/e94d52973a26cf817a9de12d97e5ae603093f70d)
+- feat: 添加response自处理参数 [`89f9ef8`](https://github.com/http-party/node-http-proxy/commit/89f9ef87e0532d54d086719c5ace1a968a42e51b)
+- [dist][test] codecov config [`a4bccc3`](https://github.com/http-party/node-http-proxy/commit/a4bccc332d36d7db93db984674cd7e51b43a1b99)
+- Removing unnecessary check since this is a private API [`bc6a237`](https://github.com/http-party/node-http-proxy/commit/bc6a23709c37c65b5b16cc802d05cb57f099b0ce)
+- issue #953: stop using writeHead [`2c44039`](https://github.com/http-party/node-http-proxy/commit/2c44039a7c30b190043da654ee7e5aed0304e979)
+- [fix] move badges [`543636d`](https://github.com/http-party/node-http-proxy/commit/543636d0f662308ec8c9afdbf641f4036f002bfd)
+- fix small typos in README [`8231984`](https://github.com/http-party/node-http-proxy/commit/8231984fb02dca331b4ef77e089db50855eea4f5)
+- Added timeout option to docs [`107c187`](https://github.com/http-party/node-http-proxy/commit/107c18720c3906f9049cc14d075b31910c0ccf55)
+- [dist] document the feature [`d533a1b`](https://github.com/http-party/node-http-proxy/commit/d533a1be437b37fed5bd25f5e58298eea819f974)
+- [fix] slightly more tolerant [`de1b808`](https://github.com/http-party/node-http-proxy/commit/de1b80851ab1b1251b5eaeaf0beab164024f09b6)
+- Forgot 'i' flag when changing from regex shorthand to string. [`50f58b4`](https://github.com/http-party/node-http-proxy/commit/50f58b4cd9b4422a11512a6a065432159b5bc806)
+- Update common.js [`c5d8466`](https://github.com/http-party/node-http-proxy/commit/c5d846648304f2e36a172b25d9fb8300d8131f8c)
+- [fix] rm newline [`e6f24ba`](https://github.com/http-party/node-http-proxy/commit/e6f24ba6173c4fdd26089b3c729de5dbdd71ad74)
+- [dist] update package-lock.json [`abf882e`](https://github.com/http-party/node-http-proxy/commit/abf882e03c92cf1665d5b7d4dbdaf87feb50a677)
+
+## [1.16.2](https://github.com/http-party/node-http-proxy/compare/1.16.1...1.16.2) - 2016-12-06
+
+### Merged
+
+- [WIP] Revert default behavior of writeHeaders method [`#1104`](https://github.com/http-party/node-http-proxy/pull/1104)
+
+## [1.16.1](https://github.com/http-party/node-http-proxy/compare/1.16.0...1.16.1) - 2016-12-04
+
+### Commits
+
+- Enable proxy response to have multiple Set-Cookie raw headers #1101 [`8cb451f`](https://github.com/http-party/node-http-proxy/commit/8cb451f20cff0a19fc9576fc2558307fb17a5710)
+- [dist] Version bump. 1.16.1 [`ac1a01b`](https://github.com/http-party/node-http-proxy/commit/ac1a01b1f3caa3a2a9433341bf5e7a95072d6612)
+
+## [1.16.0](https://github.com/http-party/node-http-proxy/compare/1.15.2...1.16.0) - 2016-12-02
+
+### Merged
+
+- Fix newly introduced error in error handler for ECONNREFUSED in forward proxy [`#1100`](https://github.com/http-party/node-http-proxy/pull/1100)
+- Keep original letter case of response header keys [`#1098`](https://github.com/http-party/node-http-proxy/pull/1098)
+- Handle errors for forward request, add test case [`#1099`](https://github.com/http-party/node-http-proxy/pull/1099)
+
+### Commits
+
+- add node 6 to travis [`2f7f037`](https://github.com/http-party/node-http-proxy/commit/2f7f03778cfb94396acf0d778061ea197212fbb5)
+
+## [1.15.2](https://github.com/http-party/node-http-proxy/compare/1.15.1...1.15.2) - 2016-10-22
+
+### Merged
+
+- Add proxy-timeout option to documentation [`#1075`](https://github.com/http-party/node-http-proxy/pull/1075)
+
+### Commits
+
+- Do not rely on func.name (no scope) [`61c2889`](https://github.com/http-party/node-http-proxy/commit/61c28891093b256bbc0dae78e45e2c5f0acf2101)
+- Do not rely on func.name (no scope) [`d48f67e`](https://github.com/http-party/node-http-proxy/commit/d48f67eb90d8af66211093e91efdd6638859e0bf)
+- Expose full callback names [`220f5fb`](https://github.com/http-party/node-http-proxy/commit/220f5fb795d2977c5a68ae59d7db65089efed50c)
+- test case added [`f5217d6`](https://github.com/http-party/node-http-proxy/commit/f5217d6c20c164ed412a3b20f660786b6f88b35b)
+- [fix] style nits [`d0f1dfe`](https://github.com/http-party/node-http-proxy/commit/d0f1dfeb8277d46a057017cd888b50e85f6725d6)
+- With a comment [`fbc2668`](https://github.com/http-party/node-http-proxy/commit/fbc266809c289fbdb59d7944345816a858303c96)
+- Fix browserification [`8eddf45`](https://github.com/http-party/node-http-proxy/commit/8eddf45f2a043e4e1b3f6e33c304e68fe7e1c406)
+- not setting connection header in case of http2 as it is deprecated [`2d01edc`](https://github.com/http-party/node-http-proxy/commit/2d01edc5a5ace591784022b85860a3bbc48c5e12)
+
+## [1.15.1](https://github.com/http-party/node-http-proxy/compare/1.15.0...1.15.1) - 2016-09-14
+
+### Merged
+
+- Properly write response header optionally including statusMessage [`#1061`](https://github.com/http-party/node-http-proxy/pull/1061)
+
+### Commits
+
+- [dist] Version bump. 1.15.1 [`912cd3a`](https://github.com/http-party/node-http-proxy/commit/912cd3acaef484f7ea08affc9339250082e04058)
+
+## [1.15.0](https://github.com/http-party/node-http-proxy/compare/1.14.0...1.15.0) - 2016-09-14
+
+### Merged
+
+- Made it not to crash with omited Host http header [`#1050`](https://github.com/http-party/node-http-proxy/pull/1050)
+- README.md: fix typo: 'ingoing' should be 'incoming' [`#1060`](https://github.com/http-party/node-http-proxy/pull/1060)
+- Fix for Reason-Phrase being overwritten on proxy response. [`#1051`](https://github.com/http-party/node-http-proxy/pull/1051)
+- cookieDomainRewrite option [`#1009`](https://github.com/http-party/node-http-proxy/pull/1009)
+- Update ntlm-authentication.js [`#1025`](https://github.com/http-party/node-http-proxy/pull/1025)
+- Restream body before proxying [`#1027`](https://github.com/http-party/node-http-proxy/pull/1027)
+- Location rewriting for responses with status 201 [`#1024`](https://github.com/http-party/node-http-proxy/pull/1024)
+- #866 Copy CA from options into outbound proxy [`#1042`](https://github.com/http-party/node-http-proxy/pull/1042)
+
+### Fixed
+
+- Restream body before proxying (#1027) [`#955`](https://github.com/http-party/node-http-proxy/issues/955)
+
+### Commits
+
+- [dist] Version bump. 1.15.0 [`b98c75b`](https://github.com/http-party/node-http-proxy/commit/b98c75b1ff3ebdf7f78224eb0d9aa857af2db1d9)
+
+## [1.14.0](https://github.com/http-party/node-http-proxy/compare/1.13.3...1.14.0) - 2016-06-15
+
+### Merged
+
+- Emit disconnected event instead of error when ECONNRESET [`#966`](https://github.com/http-party/node-http-proxy/pull/966)
+- fix test for node 0.10 + socket.io-client@1.4.6 (engine.io-client@1.6.9) [`#1010`](https://github.com/http-party/node-http-proxy/pull/1010)
+
+### Commits
+
+- [dist] Version bump. 1.14.0 [`fcfb0b3`](https://github.com/http-party/node-http-proxy/commit/fcfb0b37f6ac61369565507446377f91d955cf29)
+
+## [1.13.3](https://github.com/http-party/node-http-proxy/compare/1.13.2...1.13.3) - 2016-05-16
+
+### Merged
+
+- fix browserify compatibility [`#975`](https://github.com/http-party/node-http-proxy/pull/975)
+- alter message error [`#998`](https://github.com/http-party/node-http-proxy/pull/998)
+- Sanitize header keys before setting them [`#997`](https://github.com/http-party/node-http-proxy/pull/997)
+- Update ntlm-authentication.js [`#989`](https://github.com/http-party/node-http-proxy/pull/989)
+- Add expected datatype to readme [`#983`](https://github.com/http-party/node-http-proxy/pull/983)
+- Update README [`#982`](https://github.com/http-party/node-http-proxy/pull/982)
+- Fix formatting of the `headers` option [`#974`](https://github.com/http-party/node-http-proxy/pull/974)
+- Set the x-forwarded-host flag when xfwd is enabled [`#967`](https://github.com/http-party/node-http-proxy/pull/967)
+
+### Fixed
+
+- Sanitize header keys before setting them (#997) [`#996`](https://github.com/http-party/node-http-proxy/issues/996)
+
+### Commits
+
+- [dist] Update LICENSE to reflect 2015 changes. [`f345a1a`](https://github.com/http-party/node-http-proxy/commit/f345a1ac2dde1884e72b952a685a0a1796059f14)
+- [dist] Version bump. 1.13.3 [`5082acc`](https://github.com/http-party/node-http-proxy/commit/5082acc067bbf287f503bbd5b776f798ab169db1)
+
+## [1.13.2](https://github.com/http-party/node-http-proxy/compare/1.13.1...1.13.2) - 2016-02-17
+
+### Merged
+
+- Fixed missing documentation: #options.headers [`#806`](https://github.com/http-party/node-http-proxy/pull/806)
+- #949 Proxy example using req instead res on README [`#950`](https://github.com/http-party/node-http-proxy/pull/950)
+- mocha: Use default reporter [`#962`](https://github.com/http-party/node-http-proxy/pull/962)
+- Remove "transfer-encoding" header if "content-length" is set to zero [`#961`](https://github.com/http-party/node-http-proxy/pull/961)
+
+### Commits
+
+- [dist] Version bump. 1.13.2 [`e1b2f4c`](https://github.com/http-party/node-http-proxy/commit/e1b2f4c31b34464431db251b3b6169689dadf518)
+
+## [1.13.1](https://github.com/http-party/node-http-proxy/compare/1.13.0...1.13.1) - 2016-02-02
+
+### Merged
+
+- README.md: summary to specify reverse proxy [`#932`](https://github.com/http-party/node-http-proxy/pull/932)
+- fix(common) urlJoin replace: ":/" -&gt; "http?s:/" [`#947`](https://github.com/http-party/node-http-proxy/pull/947)
+- Update README.md [`#948`](https://github.com/http-party/node-http-proxy/pull/948)
+
+### Commits
+
+- [dist] Version bump. 1.13.1 [`9d9fa94`](https://github.com/http-party/node-http-proxy/commit/9d9fa940cff3aa6134c60732c23aea8171fc7296)
+
+## [1.13.0](https://github.com/http-party/node-http-proxy/compare/1.12.1...1.13.0) - 2016-01-26
+
+### Merged
+
+- Fix for #839 (Ignore path and the trailing slash) [`#934`](https://github.com/http-party/node-http-proxy/pull/934)
+- Update license year range to 2016 [`#943`](https://github.com/http-party/node-http-proxy/pull/943)
+
+### Commits
+
+- [dist] Version bump. 1.13.0 [`268994e`](https://github.com/http-party/node-http-proxy/commit/268994ea45d9f8737343001ab9542e03023a5c96)
+
+## [1.12.1](https://github.com/http-party/node-http-proxy/compare/1.12.0...1.12.1) - 2016-01-24
+
+### Merged
+
+- Bump version for npm publish [`#942`](https://github.com/http-party/node-http-proxy/pull/942)
+- Added check to passes/web-outgoing.js to make sure the header being s… [`#940`](https://github.com/http-party/node-http-proxy/pull/940)
+- Created reverse-proxy.js example. [`#825`](https://github.com/http-party/node-http-proxy/pull/825)
+- SSE example and test [`#922`](https://github.com/http-party/node-http-proxy/pull/922)
+- More structured readme [`#912`](https://github.com/http-party/node-http-proxy/pull/912)
+- Updated markdown docs to mention proxy rules module [`#910`](https://github.com/http-party/node-http-proxy/pull/910)
+- Add tests for forwarding of continuation frames [`#901`](https://github.com/http-party/node-http-proxy/pull/901)
+- Bump requires-port, server and ws [`#904`](https://github.com/http-party/node-http-proxy/pull/904)
+- [example] add an example for NTLM authentication [`#903`](https://github.com/http-party/node-http-proxy/pull/903)
+
+### Commits
+
+- Organized README more [`cd1d777`](https://github.com/http-party/node-http-proxy/commit/cd1d7776e8fb5d67e2c52b9ef27d8c932e7b72e2)
+- Add tests for testing forwarding of continuation frames [`64fa520`](https://github.com/http-party/node-http-proxy/commit/64fa52078913c6d4fe95673f182aac4924961e8b)
+- Added back to top helpers [`6106d4c`](https://github.com/http-party/node-http-proxy/commit/6106d4c32f7c7960f0391591661e6f0d229db52d)
+- [ci] use node 4.2 to test and do not allow failures [`f82ce18`](https://github.com/http-party/node-http-proxy/commit/f82ce18d2f187b085c2c4f49d857755d21c582b1)
+- [fix] bump requires-port, server and ws [`9ea1e89`](https://github.com/http-party/node-http-proxy/commit/9ea1e89a2fd9c392cd40265bdb13494a3614e290)
+- Updated markdown docs to mention proxy rules [`eea79ca`](https://github.com/http-party/node-http-proxy/commit/eea79cab53f27371cad387a524ee3aaefa742c48)
+- Fixed tests depending on ignorePath [`f9540de`](https://github.com/http-party/node-http-proxy/commit/f9540de7b13f41091be2dcb68d8f23be65ad3885)
+- Added check to passes/web-outgoing.js to make sure the header being set is not undefined, which should be the only falsey value that could accidently show up and break that call. This fixes windows NTLM auth issues behind http-proxy. [`3b39d2c`](https://github.com/http-party/node-http-proxy/commit/3b39d2c3dcb1785cc06043fcb226c652f554941e)
+- No longer appends / to path if ignorePath is set [`f2093b5`](https://github.com/http-party/node-http-proxy/commit/f2093b5313c855cd6309cc0ddebb31f369e525ed)
+- README.md: introduction to specify reverse proxy [`41414a5`](https://github.com/http-party/node-http-proxy/commit/41414a56a11ddfac3a337711ac4c64124eb62377)
+- Added note for appending trailing / when using ignorePath [`0cb1d3c`](https://github.com/http-party/node-http-proxy/commit/0cb1d3c68e793fed9aa4a7624c32a018e796aa95)
+
+## [1.12.0](https://github.com/http-party/node-http-proxy/compare/1.11.3...1.12.0) - 2015-10-22
+
+### Merged
+
+- Issue #896: provide a "proxyReq" event also for websocket connections. [`#897`](https://github.com/http-party/node-http-proxy/pull/897)
+
+### Commits
+
+- Provide a "proxyReq" event also for websocket connections. [`a05fc2d`](https://github.com/http-party/node-http-proxy/commit/a05fc2d1692d038f1eaad6d9b26c174039bc1949)
+- fixes after PR review [`9752652`](https://github.com/http-party/node-http-proxy/commit/9752652e76da3bcfb6a635620e4162518ca43203)
+- [dist] Version bump. 1.12.0 [`b5a6d0e`](https://github.com/http-party/node-http-proxy/commit/b5a6d0e58396363f4c457f6d1654614bdfcfcb73)
+
+## [1.11.3](https://github.com/http-party/node-http-proxy/compare/1.11.2...1.11.3) - 2015-10-19
+
+### Merged
+
+- Removed unspecified trailing slash in proxy url [`#893`](https://github.com/http-party/node-http-proxy/pull/893)
+- Updating the upgrading doc [`#892`](https://github.com/http-party/node-http-proxy/pull/892)
+
+### Commits
+
+- [dist] Update .travis.yml to be more modern. [`302d981`](https://github.com/http-party/node-http-proxy/commit/302d981dd2cf06dbf751b1f64e3dfea08d0f9476)
+- [dist] Version bump. 1.11.3 [`60baca5`](https://github.com/http-party/node-http-proxy/commit/60baca5aed4f45ef1d7b3f7edd909375853d344b)
+- docs: options.headers [`c86ae51`](https://github.com/http-party/node-http-proxy/commit/c86ae51bb9658309a9628f4f5182d4c45c803b84)
+
+## [1.11.2](https://github.com/http-party/node-http-proxy/compare/v1.11.1...1.11.2) - 2015-08-30
+
+### Merged
+
+- Update gzip-middleware.js [`#870`](https://github.com/http-party/node-http-proxy/pull/870)
+- Fix broken option list indentation [`#863`](https://github.com/http-party/node-http-proxy/pull/863)
+- Added missing configuration options [`#852`](https://github.com/http-party/node-http-proxy/pull/852)
+- Added installation instructions [`#823`](https://github.com/http-party/node-http-proxy/pull/823)
+- fixes comment [`#817`](https://github.com/http-party/node-http-proxy/pull/817)
+
+### Commits
+
+- Created reverse-proxy.js example. [`38864d0`](https://github.com/http-party/node-http-proxy/commit/38864d016794b9ff3d8d1d1cb81a730b40a1bf9c)
+- Added websocket set-cookie headers test [`855cebd`](https://github.com/http-party/node-http-proxy/commit/855cebdac4d33ef5f2fab4c4c78fdc07cdb61402)
+- [fix] make more functional [`cea0e86`](https://github.com/http-party/node-http-proxy/commit/cea0e8676b3e609828320bb03051eaf78cc43b54)
+- Modify the set-cookie header fix to work with node 0.10.x. [`da674ec`](https://github.com/http-party/node-http-proxy/commit/da674ec4df2b371f09e912f3b376c48581090a0f)
+- Use raw headers instead parsed. [`8bfd90c`](https://github.com/http-party/node-http-proxy/commit/8bfd90c4d9331fd129f17a788ef9fc733654b7e0)
+- Replaced Object.keys().map with for in loop. [`3d2350c`](https://github.com/http-party/node-http-proxy/commit/3d2350c54ff0fb9271f5fcfea1d23f22ad97c47c)
+- [dist] Version bump. 1.11.2 [`30e3b37`](https://github.com/http-party/node-http-proxy/commit/30e3b371de0116e40e15156394f31c7e0b0aa9f1)
+- Websocket key was unnecessary long. [`ca73208`](https://github.com/http-party/node-http-proxy/commit/ca732087498582df01ab78fb7da77912dab8f138)
+
+## [v1.11.1](https://github.com/http-party/node-http-proxy/compare/v1.11.0...v1.11.1) - 2015-04-22
+
+### Commits
+
+- [dist] Version bump. 1.11.1 [`7e6c66a`](https://github.com/http-party/node-http-proxy/commit/7e6c66a7e485a6c0ec3a1c567bbe800fdc56c9fd)
+- [fix] dont use bind in the one case we do [`d26ef56`](https://github.com/http-party/node-http-proxy/commit/d26ef56e1bc2a1232b06c01b4740e3bf35d63eda)
+- [dist] update to new version of EE3 [`607f96c`](https://github.com/http-party/node-http-proxy/commit/607f96c00cbda2a6b881b8ff1db05437dbf4ce77)
+- [fix] use the main export for EE3 [`18c77ca`](https://github.com/http-party/node-http-proxy/commit/18c77cafc7d5479502cf5c4d2b663d8f85cfd6d4)
+
+## [v1.11.0](https://github.com/http-party/node-http-proxy/compare/v1.10.1...v1.11.0) - 2015-04-20
+
+### Merged
+
+- [api] add an ignorePath option if you want to disregard the path of the ... [`#759`](https://github.com/http-party/node-http-proxy/pull/759)
+
+### Commits
+
+- [dist] Version bump. 1.11.0 [`934e6c4`](https://github.com/http-party/node-http-proxy/commit/934e6c4d54292a1b961452074e02fb5d45da729a)
+
+## [v1.10.1](https://github.com/http-party/node-http-proxy/compare/v1.10.0...v1.10.1) - 2015-04-02
+
+### Merged
+
+- Fix default port detection with node 0.12.x [`#799`](https://github.com/http-party/node-http-proxy/pull/799)
+
+### Commits
+
+- [dist] add semver and normalize package.json with --save-dev [`1b89bc9`](https://github.com/http-party/node-http-proxy/commit/1b89bc9a76c229070ff2572f7a0e1b969c4b4701)
+- fix protocol and default port detection on node 0.12.x, compatible with 0.10.x [`5f14bca`](https://github.com/http-party/node-http-proxy/commit/5f14bcaa704fe8a5e6f59d3a89722f22958cade9)
+- fix expected error message when node 0.12.x [`0ee314c`](https://github.com/http-party/node-http-proxy/commit/0ee314c436226391318b9a1b623cb3f7e8bf4df7)
+- force cipher AES128-GCM-SHA256 in https tests [`c33d161`](https://github.com/http-party/node-http-proxy/commit/c33d1616cdbd60587ca2eb326c48b8a87ac56092)
+- [fix] properly support iojs with test checking for HTTPS [`c6dfb04`](https://github.com/http-party/node-http-proxy/commit/c6dfb04a67f3b5ac9a402b7b08c1b8baf29f89e6)
+- [dist] Version bump. 1.10.1 [`0bd446c`](https://github.com/http-party/node-http-proxy/commit/0bd446c680e9991accfaa3a6a70e411fdac79164)
+- [ci] add 0.12 and iojs to travis [`a6ae6c4`](https://github.com/http-party/node-http-proxy/commit/a6ae6c499743ddade9db12b9f7404d980c79f683)
+
+## [v1.10.0](https://github.com/http-party/node-http-proxy/compare/v1.9.1...v1.10.0) - 2015-04-01
+
+### Merged
+
+- Fixes / additions to URL rewriting [`#787`](https://github.com/http-party/node-http-proxy/pull/787)
+
+### Commits
+
+- [dist] Version bump. 1.10.0 [`1dabda2`](https://github.com/http-party/node-http-proxy/commit/1dabda241f3b93eb9195134042e7a3b84fd0ef57)
+
+## [v1.9.1](https://github.com/http-party/node-http-proxy/compare/v1.9.0...v1.9.1) - 2015-04-01
+
+### Merged
+
+- Fix #747 [`#798`](https://github.com/http-party/node-http-proxy/pull/798)
+
+### Fixed
+
+- Merge pull request #798 from damonmcminn/master [`#747`](https://github.com/http-party/node-http-proxy/issues/747)
+- Fix https://github.com/nodejitsu/node-http-proxy/issues/747 [`#747`](https://github.com/nodejitsu/node-http-proxy/issues/747)
+
+### Commits
+
+- Add test for https://github.com/nodejitsu/node-http-proxy/issues/747 [`d145152`](https://github.com/http-party/node-http-proxy/commit/d145152655a69479348b0ebc726d4dc19720a12b)
+- [dist] Version bump. 1.9.1 [`21b30b7`](https://github.com/http-party/node-http-proxy/commit/21b30b754db4f6410c3d2052bc123b3fdae57c46)
+
+## [v1.9.0](https://github.com/http-party/node-http-proxy/compare/v1.8.1...v1.9.0) - 2015-03-12
+
+### Merged
+
+- Adding the nodejs0.12 auth option [`#792`](https://github.com/http-party/node-http-proxy/pull/792)
+- fix "x-forwarded-proto" in node 0.12 and iojs [`#789`](https://github.com/http-party/node-http-proxy/pull/789)
+- Add support for auto host rewriting and protocol rewriting [`#1`](https://github.com/http-party/node-http-proxy/pull/1)
+- changed highlighted part - very minor [`#756`](https://github.com/http-party/node-http-proxy/pull/756)
+- Update README.md for benchmarks [`#625`](https://github.com/http-party/node-http-proxy/pull/625)
+
+### Fixed
+
+- fix "x-forwarded-proto" in node 0.12 and iojs [`#772`](https://github.com/http-party/node-http-proxy/issues/772)
+- [api] add an ignorePath option if you want to disregard the path of the incoming request when proxying to the target server fixes #758 [`#758`](https://github.com/http-party/node-http-proxy/issues/758)
+
+### Commits
+
+- added auth header test [`df158bf`](https://github.com/http-party/node-http-proxy/commit/df158bfc53e35e62609d8169f3883f6dcf12b73c)
+- added auth header test [`ff1626f`](https://github.com/http-party/node-http-proxy/commit/ff1626f0719652c92895cf80f9aacc22ededadad)
+- refactor some tests for greater readability [`14415a5`](https://github.com/http-party/node-http-proxy/commit/14415a50741d1f258da884686455d87d68eb8121)
+- only rewrite redirect urls when it matches target [`26029ba`](https://github.com/http-party/node-http-proxy/commit/26029ba7ac948b5dc0befb2091cc9a5862d0641c)
+- auth header added [`ab5c3e5`](https://github.com/http-party/node-http-proxy/commit/ab5c3e5c819ca993e0616d178bc1d282af539508)
+- [dist] Version bump. 1.9.0 [`87a92a7`](https://github.com/http-party/node-http-proxy/commit/87a92a72802a27f817fcba87382d55831fd04ddb)
+- end of file line space [`e907d7b`](https://github.com/http-party/node-http-proxy/commit/e907d7bb2aa2825b43d9355cb1ee25bec47b15ad)
+- space instead of tabs [`7298510`](https://github.com/http-party/node-http-proxy/commit/7298510e9170d74ff057487085bc1e898f044177)
+- space instead of tabs [`63c9262`](https://github.com/http-party/node-http-proxy/commit/63c9262df5bd04d83432db44fce2a4d5b19a59ea)
+- auth header added tests [`f55ffa3`](https://github.com/http-party/node-http-proxy/commit/f55ffa356a259c09685c6b768a404e4b73f674ce)
+
+## [v1.8.1](https://github.com/http-party/node-http-proxy/compare/v1.8.0...v1.8.1) - 2014-12-17
+
+### Commits
+
+- Pass HTTPS client parameters. [`402ab05`](https://github.com/http-party/node-http-proxy/commit/402ab057340a29db7a521ff239c5e21ac0c12be8)
+- [dist] Version bump. 1.8.1 [`3311106`](https://github.com/http-party/node-http-proxy/commit/3311106c2c2346f3ac1ffe402b80bca3c7c59275)
+
+## [v1.8.0](https://github.com/http-party/node-http-proxy/compare/v1.7.3...v1.8.0) - 2014-12-17
+
+### Merged
+
+- Fix variables scope in test [`#752`](https://github.com/http-party/node-http-proxy/pull/752)
+- Fix typo [`#751`](https://github.com/http-party/node-http-proxy/pull/751)
+
+### Commits
+
+- Added websocket close event test [`8bff3dd`](https://github.com/http-party/node-http-proxy/commit/8bff3ddc1276e3ba18fd68c34d8982148cd21455)
+- Deprecated proxySocket event in favor to open event. [`c62610e`](https://github.com/http-party/node-http-proxy/commit/c62610e8e4d59e8ba4642370ff3fb933c6ddb4eb)
+- Update README.md [`05d18a4`](https://github.com/http-party/node-http-proxy/commit/05d18a4e1ba6c2de41b0b803cd1793357979384d)
+- [fix] style spacing wtf [`ea0a4de`](https://github.com/http-party/node-http-proxy/commit/ea0a4ded803b30144e442344ad5a38a0d34bb3ba)
+- [api] add close event in ws-incoming.js [`2653786`](https://github.com/http-party/node-http-proxy/commit/26537866b3ca522927aa4604a958f90774c0c0c0)
+- [minor] grammar [`f304861`](https://github.com/http-party/node-http-proxy/commit/f30486195cfa6cfcf6400ac445975d5adada72e4)
+- Changed proxyServer and destiny to local variables. [`8a8a894`](https://github.com/http-party/node-http-proxy/commit/8a8a894092ddbec8f0365ced0e94a75b1307ecf1)
+- [dist] Version bump. 1.8.0 [`f0db5b3`](https://github.com/http-party/node-http-proxy/commit/f0db5b3f708b0858f617d472dfdd0ba211b774ef)
+
+## [v1.7.3](https://github.com/http-party/node-http-proxy/compare/v1.7.2...v1.7.3) - 2014-12-09
+
+### Fixed
+
+- [fix] use simple regex instead of indexOf to check the protocol to support without the colon fixes #711 [`#711`](https://github.com/http-party/node-http-proxy/issues/711)
+
+### Commits
+
+- [test] show that we support protocol without the colon [`89f9ca1`](https://github.com/http-party/node-http-proxy/commit/89f9ca1e89d679b2b85a8f85b65e8b0878694207)
+- [dist] Version bump. 1.7.3 [`6a330ff`](https://github.com/http-party/node-http-proxy/commit/6a330ff904d02a41f9a1cac338a98da1849c54ca)
+
+## [v1.7.2](https://github.com/http-party/node-http-proxy/compare/v1.7.1...v1.7.2) - 2014-12-08
+
+### Merged
+
+- Fix grammar in README.md [`#749`](https://github.com/http-party/node-http-proxy/pull/749)
+
+### Fixed
+
+- [fix] properly include port in host header with changeOrigin in all cases fixes #750 [`#750`](https://github.com/http-party/node-http-proxy/issues/750)
+
+### Commits
+
+- [test] add tests for the changeOrigin cases in properly setting the host header [`71a06aa`](https://github.com/http-party/node-http-proxy/commit/71a06aab0249487ff650c8a47906cc8281561664)
+- [dist] pin down deps and add requires-port [`81874f7`](https://github.com/http-party/node-http-proxy/commit/81874f795b7df7929e03d9d4cb98a947b1ef114b)
+- [dist] Version bump. 1.7.2 [`2086e49`](https://github.com/http-party/node-http-proxy/commit/2086e4917c97f347f84c54b166799bc8db9f4162)
+
+## [v1.7.1](https://github.com/http-party/node-http-proxy/compare/v1.7.0...v1.7.1) - 2014-12-02
+
+### Merged
+
+- Adding harmon to the README [`#716`](https://github.com/http-party/node-http-proxy/pull/716)
+
+### Fixed
+
+- [fix] fix #738 [`#738`](https://github.com/http-party/node-http-proxy/issues/738)
+- [fix] simple fixes #748 #744 #746 [`#748`](https://github.com/http-party/node-http-proxy/issues/748)
+
+### Commits
+
+- [test] add proper failing test case for #738 [`410a8ce`](https://github.com/http-party/node-http-proxy/commit/410a8ce94ccea566a8e50daf3b78e633b82875cb)
+- [Bugfix] Allow for multiple ? in outgoing urls. [`70ed1c4`](https://github.com/http-party/node-http-proxy/commit/70ed1c4273bc64500e8bae9b60d7fd6a19135246)
+- [dist] Version bump. 1.7.1 [`56a7b77`](https://github.com/http-party/node-http-proxy/commit/56a7b77645b13d337c1a2f879460193d310454c8)
+
+## [v1.7.0](https://github.com/http-party/node-http-proxy/compare/v1.6.2...v1.7.0) - 2014-11-25
+
+### Merged
+
+- Allow optional redirect host rewriting. [`#741`](https://github.com/http-party/node-http-proxy/pull/741)
+- Set `Content-Length` header for OPTIONS requests [`#742`](https://github.com/http-party/node-http-proxy/pull/742)
+- copy headers instead of referencing them so they don't unexpectedly get overwritten [`#736`](https://github.com/http-party/node-http-proxy/pull/736)
+- Updated to support error callback on proxy.web and start/proxyReq/end co... [`#735`](https://github.com/http-party/node-http-proxy/pull/735)
+
+### Commits
+
+- :pencil: Add host rewrite docs and specs. [`add8133`](https://github.com/http-party/node-http-proxy/commit/add81338a90dae132f9e74fd5a5905fbcef030b7)
+- [minor] style consistency [`48ae5d8`](https://github.com/http-party/node-http-proxy/commit/48ae5d828c23d6f19c9e2dd8c922d88a09f5ed0f)
+- Updated to support error callback on proxy.web and start/proxyReq/end continue working. [`9ba8311`](https://github.com/http-party/node-http-proxy/commit/9ba8311343fd01b32505b8607ecf4294200f9dde)
+- style changes [`84036e9`](https://github.com/http-party/node-http-proxy/commit/84036e9ddd1d4d925006c5438b3bcc0f17ba7a48)
+- [fix] be defensive and ensure location is in headers before running url.parse() [`8d68ac0`](https://github.com/http-party/node-http-proxy/commit/8d68ac0e0fa3080b31580aa08e92a46cc1f27696)
+- [dist] Version bump. 1.7.0 [`276f65a`](https://github.com/http-party/node-http-proxy/commit/276f65a3b810ded01757ec4bfd4fe2b00a1e66a8)
+
+## [v1.6.2](https://github.com/http-party/node-http-proxy/compare/v1.6.1...v1.6.2) - 2014-11-11
+
+### Merged
+
+- do not modify the query string [`#733`](https://github.com/http-party/node-http-proxy/pull/733)
+
+### Commits
+
+- [fix] style changes [`7c5e40a`](https://github.com/http-party/node-http-proxy/commit/7c5e40a429fbc0c538f38d29d74acb633cb9b8d4)
+- [minor] this shouldnt be in var block [`3f19e6e`](https://github.com/http-party/node-http-proxy/commit/3f19e6e178e168a16beee74186691f3e0e54d517)
+- [dist] Version bump. 1.6.2 [`709b3e9`](https://github.com/http-party/node-http-proxy/commit/709b3e96560d619fab2617f9ddb902b4982b4103)
+
+## [v1.6.1](https://github.com/http-party/node-http-proxy/compare/v1.6.0...v1.6.1) - 2014-11-04
+
+### Merged
+
+- websocket needs to respect `options.secure` too [`#729`](https://github.com/http-party/node-http-proxy/pull/729)
+- changeOrigin option docs fix [`#724`](https://github.com/http-party/node-http-proxy/pull/724)
+
+### Commits
+
+- [dist] Version bump. 1.6.1 [`fa797fc`](https://github.com/http-party/node-http-proxy/commit/fa797fca900c10ebc848a2b445204b47da799483)
+
+## [v1.6.0](https://github.com/http-party/node-http-proxy/compare/v1.5.3...v1.6.0) - 2014-10-29
+
+### Merged
+
+- Added changeOrigin option with test and docs [`#723`](https://github.com/http-party/node-http-proxy/pull/723)
+- I presume you mean couchdb here [`#717`](https://github.com/http-party/node-http-proxy/pull/717)
+- update modify request body eg [`#712`](https://github.com/http-party/node-http-proxy/pull/712)
+
+### Commits
+
+- harmon notes [`9f684d0`](https://github.com/http-party/node-http-proxy/commit/9f684d0439174d889d7b9a4ef6e2353e09481b2d)
+- [dist] Version bump. 1.6.0 [`43641b0`](https://github.com/http-party/node-http-proxy/commit/43641b00b34ccc05bdf09f904695061d7c857aeb)
+
+## [v1.5.3](https://github.com/http-party/node-http-proxy/compare/v1.5.2...v1.5.3) - 2014-10-01
+
+### Merged
+
+- close socket if upstream request fails [`#709`](https://github.com/http-party/node-http-proxy/pull/709)
+
+### Commits
+
+- [dist] Version bump. 1.5.3 [`9577a0f`](https://github.com/http-party/node-http-proxy/commit/9577a0faf2b78af606168673407ac47a851c084c)
+
+## [v1.5.2](https://github.com/http-party/node-http-proxy/compare/v1.5.1...v1.5.2) - 2014-10-01
+
+### Merged
+
+- close websocket if proxyReq is closed before upgrade [`#708`](https://github.com/http-party/node-http-proxy/pull/708)
+
+### Commits
+
+- test closing upstream socket prior to upgrade [`7730548`](https://github.com/http-party/node-http-proxy/commit/77305489d9b88d283802477e155340e5dacfcc2c)
+- [dist] Version bump. 1.5.2 [`43c6f0c`](https://github.com/http-party/node-http-proxy/commit/43c6f0c7c06d25a670c410500a8623531df458b1)
+
+## [v1.5.1](https://github.com/http-party/node-http-proxy/compare/v1.5.0...v1.5.1) - 2014-09-30
+
+### Commits
+
+- [fix] do a check to make sure the server exists before we try and emit [`10a294a`](https://github.com/http-party/node-http-proxy/commit/10a294af4d4baac30b98ea9bec683a974443b83d)
+- [dist] Version bump. 1.5.1 [`f0bf741`](https://github.com/http-party/node-http-proxy/commit/f0bf7418156db2cb87a616b0a34bb1f028db9142)
+
+## [v1.5.0](https://github.com/http-party/node-http-proxy/compare/v1.4.3...v1.5.0) - 2014-09-30
+
+### Merged
+
+- exposing proxySocket on socket to support sniffing messages coming from proxy target [`#706`](https://github.com/http-party/node-http-proxy/pull/706)
+- Fixed misleading documentation [`#705`](https://github.com/http-party/node-http-proxy/pull/705)
+- Fix typo in README.md [`#702`](https://github.com/http-party/node-http-proxy/pull/702)
+- handle 'upgrade' in comma-separated connection header [`#691`](https://github.com/http-party/node-http-proxy/pull/691)
+
+### Commits
+
+- test new detection of connection: upgrade [`ec683b9`](https://github.com/http-party/node-http-proxy/commit/ec683b924b1ef8cbdd2cd2bfb7e141b502773163)
+- emitting proxySocket on proxyServer [`000eb53`](https://github.com/http-party/node-http-proxy/commit/000eb533de144cad01cfd97edf9ab6c350593d3c)
+- [fix] perf optimization so we have a precompiled regexp [`c0a796b`](https://github.com/http-party/node-http-proxy/commit/c0a796b3e31de4f22eef00d93164e7238d9aa3ba)
+- use regex to check for upgrade header [`65a21bc`](https://github.com/http-party/node-http-proxy/commit/65a21bce6dbbc6142a851dc959e237c0ef2b1091)
+- [dist] Version bump. 1.5.0 [`232258b`](https://github.com/http-party/node-http-proxy/commit/232258b6ec2229497fe557454a121d917968f5e8)
+- [minor] extra space [`e7d50b1`](https://github.com/http-party/node-http-proxy/commit/e7d50b1a376035a50c82db38605e99feb30afd36)
+
+## [v1.4.3](https://github.com/http-party/node-http-proxy/compare/v1.4.2...v1.4.3) - 2014-09-12
+
+### Merged
+
+- Urgent: Fix breaking bug on url joining resulting in paths like `///path`. [`#699`](https://github.com/http-party/node-http-proxy/pull/699)
+
+### Commits
+
+- [minor] Added missing JSDoc comments [`73e8a4c`](https://github.com/http-party/node-http-proxy/commit/73e8a4cdd576868bf61d0848cc51f083a75454f9)
+- Fix breaking bug on url joining resulting in paths like `///path`. [`73d865b`](https://github.com/http-party/node-http-proxy/commit/73d865bc9f8940f61c1ad4812f220920ead553b5)
+- [minor] Code style adjustment. [`3ab6e95`](https://github.com/http-party/node-http-proxy/commit/3ab6e9591e66c203647605b4f275d374472c9d5f)
+- Bump version v1.4.3 [`554f59c`](https://github.com/http-party/node-http-proxy/commit/554f59c5182d58b359df0159a29ff5ea35dd3830)
+- [ignore] Ignore npm-debug.log [`a934cb6`](https://github.com/http-party/node-http-proxy/commit/a934cb6a46298c380e9bc794f18873576cf73c4c)
+
+## [v1.4.2](https://github.com/http-party/node-http-proxy/compare/v1.4.1...v1.4.2) - 2014-09-12
+
+### Commits
+
+- [fix] ensure path works on windows because path.join doesnt like URLs [`ed73f06`](https://github.com/http-party/node-http-proxy/commit/ed73f06ed307ad2204e565781cc3154047941a8c)
+- [dist] Version bump. 1.4.2 [`df12aeb`](https://github.com/http-party/node-http-proxy/commit/df12aeb12de79de1157898d45f4347fd0037dd70)
+
+## [v1.4.1](https://github.com/http-party/node-http-proxy/compare/v1.3.1...v1.4.1) - 2014-09-11
+
+### Merged
+
+- Trimming contents of distributed npm package. [`#644`](https://github.com/http-party/node-http-proxy/pull/644)
+- Remove changelog - it was not maintained [`#669`](https://github.com/http-party/node-http-proxy/pull/669)
+- Removed duplicated imported dependencies [`#695`](https://github.com/http-party/node-http-proxy/pull/695)
+
+### Commits
+
+- [test] add test for prependPath option [`e44fabe`](https://github.com/http-party/node-http-proxy/commit/e44fabe58a233b367d42f26f15113e2022f71d7b)
+- [api] add prependPath option to go with path change [`9a534c6`](https://github.com/http-party/node-http-proxy/commit/9a534c6ff63d776140918bc839801d247affd18d)
+- [dist] Version bump. 1.4.1 [`d5c656b`](https://github.com/http-party/node-http-proxy/commit/d5c656bceb50dc9008ef223bc58b918adcf05352)
+- [dist] Version bump. 1.4.0 [`dceef40`](https://github.com/http-party/node-http-proxy/commit/dceef407a1130033679e7e836c6753b76187ce5f)
+
+## [v1.3.1](https://github.com/http-party/node-http-proxy/compare/v1.3.0...v1.3.1) - 2014-09-09
+
+### Merged
+
+- Allow proxy to maintain the original target path [`#693`](https://github.com/http-party/node-http-proxy/pull/693)
+- Clarify usable parameters for 'proxyRes' event [`#686`](https://github.com/http-party/node-http-proxy/pull/686)
+
+### Commits
+
+- fix tests for maintaining proxy path [`a65021d`](https://github.com/http-party/node-http-proxy/commit/a65021d52b0ee039486819b5a95f442229458776)
+- Fix proxy path [`511b7b3`](https://github.com/http-party/node-http-proxy/commit/511b7b3d4743636de9d9fbe8ff409730d221d273)
+- Clarify usable parameters for proxyRes event. [`49a0de1`](https://github.com/http-party/node-http-proxy/commit/49a0de1e7cdcec9b555695605ab914038f99d66b)
+- [dist] Version bump. 1.3.1 [`fc73828`](https://github.com/http-party/node-http-proxy/commit/fc73828035baf3cea3664560f8964f2a2a200d0a)
+- [ci] remove 0.11.x to avoid failing builds caused by TLS errors [`6b83ae4`](https://github.com/http-party/node-http-proxy/commit/6b83ae47bbf2d5eab8ac94b4d6130e09a21ac85b)
+
+## [v1.3.0](https://github.com/http-party/node-http-proxy/compare/v1.2.1...v1.3.0) - 2014-08-14
+
+### Merged
+
+- Added functionality to close proxy. [`#679`](https://github.com/http-party/node-http-proxy/pull/679)
+
+### Commits
+
+- [fix] cleanup and stylize close function [`261742a`](https://github.com/http-party/node-http-proxy/commit/261742a4295268ef93f45aa0f1e3a04208a2aed3)
+- updated close function for safety [`8be9d94`](https://github.com/http-party/node-http-proxy/commit/8be9d945d03169056bbf84d702292b5763b015dc)
+- [dist] Version bump. 1.3.0 [`05f0b89`](https://github.com/http-party/node-http-proxy/commit/05f0b891a610fb7779f90916fcd9ed750df818b2)
+
+## [v1.2.1](https://github.com/http-party/node-http-proxy/compare/v1.2.0...v1.2.1) - 2014-08-14
+
+### Commits
+
+- Added close method to proxy server. [`a3d0219`](https://github.com/http-party/node-http-proxy/commit/a3d02196c5e62cd58bc0ebe8a66afcdb905d96b3)
+- [fix] emit an error if proper URL is not passed in as a target [`37036dd`](https://github.com/http-party/node-http-proxy/commit/37036dd32565f72ad5777e47509293db18b60ed3)
+- [dist] Version bump. 1.2.1 [`0a6b424`](https://github.com/http-party/node-http-proxy/commit/0a6b424e2c3b6cef68362a71f0e56740b2605af7)
+
+## [v1.2.0](https://github.com/http-party/node-http-proxy/compare/v1.1.6...v1.2.0) - 2014-08-05
+
+### Merged
+
+- [api] Add event-based ability to modify pre-flight proxy requests. [`#673`](https://github.com/http-party/node-http-proxy/pull/673)
+
+### Commits
+
+- [dist] Version bump. 1.2.0 [`63c53a1`](https://github.com/http-party/node-http-proxy/commit/63c53a177217283ec14e4f7c2e891db48842ab4b)
+
+## [v1.1.6](https://github.com/http-party/node-http-proxy/compare/v1.1.5...v1.1.6) - 2014-07-17
+
+### Fixed
+
+- do proper checking for a pass not existing. fixes #671 [`#671`](https://github.com/http-party/node-http-proxy/issues/671)
+
+### Commits
+
+- Remove changelog - it was not maintained [`e336b52`](https://github.com/http-party/node-http-proxy/commit/e336b52629276e647abeee300d7091db44e5b885)
+- [dist] Version bump. 1.1.6 [`ed9e12b`](https://github.com/http-party/node-http-proxy/commit/ed9e12b0edb0fc206610e94bd696425619868474)
+
+## [v1.1.5](https://github.com/http-party/node-http-proxy/compare/v1.1.4...v1.1.5) - 2014-07-10
+
+### Merged
+
+- Fix simple-balancer example [`#666`](https://github.com/http-party/node-http-proxy/pull/666)
+- Added proxyTimeout option and two tests for timeout [`#658`](https://github.com/http-party/node-http-proxy/pull/658)
+
+### Fixed
+
+- Fix #657 [`#657`](https://github.com/http-party/node-http-proxy/issues/657)
+- Fix #657 [`#657`](https://github.com/http-party/node-http-proxy/issues/657)
+
+### Commits
+
+- Added targetTimeout option and two tests for timeout [`0f24351`](https://github.com/http-party/node-http-proxy/commit/0f243516e1c6737b95fba220a5028439264b5de6)
+- Change name targetTimeout to proxyTimeout [`7b79a74`](https://github.com/http-party/node-http-proxy/commit/7b79a7409ade7a8c79b2ae5761abc4843529063a)
+- Trimming contents of distributed npm package. [`431aba7`](https://github.com/http-party/node-http-proxy/commit/431aba79d8d521e228c1403aaf4fd4a26fba03c3)
+- [api] also emit the target on a proxy error [`d1baa36`](https://github.com/http-party/node-http-proxy/commit/d1baa3684e449610a2aae270816a7b8a907e588e)
+- [dist] Version bump. 1.1.5 [`7104a7c`](https://github.com/http-party/node-http-proxy/commit/7104a7c023073a49091969f825738c79ae036123)
+- fix balancer example [`9df4bc1`](https://github.com/http-party/node-http-proxy/commit/9df4bc1e1216a8e53675f0be16fb9081c11da225)
+
+## [v1.1.4](https://github.com/http-party/node-http-proxy/compare/v1.1.3...v1.1.4) - 2014-05-11
+
+### Merged
+
+- `proxyRes` event, provide access to the req and res objects [`#642`](https://github.com/http-party/node-http-proxy/pull/642)
+
+### Commits
+
+- Add a test for the proxyRes event [`1385635`](https://github.com/http-party/node-http-proxy/commit/1385635e18f081af759c8e088f2f6b0219df83db)
+- [dist] Version bump. 1.1.4 [`7cb98a4`](https://github.com/http-party/node-http-proxy/commit/7cb98a4e417312f01cf4432b52dbb3773aca60a0)
+- Add the req and res objects to the proxyRes event [`1213e46`](https://github.com/http-party/node-http-proxy/commit/1213e46b1b0975ad1d5c5d0aaeace40a0811118f)
+
+## [v1.1.3](https://github.com/http-party/node-http-proxy/compare/v1.1.2...v1.1.3) - 2014-05-11
+
+### Merged
+
+- Don't override connection header if Upgrading [`#640`](https://github.com/http-party/node-http-proxy/pull/640)
+
+### Commits
+
+- Adding test cases on preventing upgrade override [`8aa7c51`](https://github.com/http-party/node-http-proxy/commit/8aa7c519b15f734af7db34d2102781adbeae10aa)
+- Update README.md for benchmarks [`4947484`](https://github.com/http-party/node-http-proxy/commit/4947484806f839d5e0a1b615b56a1bc847b8f534)
+- [minor] style [`ccad177`](https://github.com/http-party/node-http-proxy/commit/ccad17795417de74bea2bcb6d6c559a4601af76d)
+- [dist] Version bump. 1.1.3 [`c472527`](https://github.com/http-party/node-http-proxy/commit/c472527ea60da8b2f737d5742bc61ad2772b7e0b)
+
+## [v1.1.2](https://github.com/http-party/node-http-proxy/compare/v1.1.1...v1.1.2) - 2014-04-14
+
+### Commits
+
+- [fix test] handle proxy error since we are properly aborting the proxy Request [`61c8734`](https://github.com/http-party/node-http-proxy/commit/61c8734e8b1115fab0e0db23fd8eeccbae61eee0)
+- [fix] handle error on incoming request as well and properly abort proxy if client request is aborted [`77a1cff`](https://github.com/http-party/node-http-proxy/commit/77a1cff9bcf697eab27819eef054024bdc0a2ba3)
+- [dist] Version bump. 1.1.2 [`c54278b`](https://github.com/http-party/node-http-proxy/commit/c54278bd3b00e82f4253393b6f6beb1d5a1b19e5)
+
+## [v1.1.1](https://github.com/http-party/node-http-proxy/compare/v1.1.0...v1.1.1) - 2014-04-11
+
+### Commits
+
+- [dist] Version bump. 1.1.1 [`d908e2a`](https://github.com/http-party/node-http-proxy/commit/d908e2ad61013ed1f6e2f80c4b67a6dce7d0f504)
+- [fix] let user make the decision on what to do with the buffer [`4f07dc2`](https://github.com/http-party/node-http-proxy/commit/4f07dc220d700ac90bd8405f7cb0724bdae4b430)
+
+## [v1.1.0](https://github.com/http-party/node-http-proxy/compare/v1.0.3...v1.1.0) - 2014-04-09
+
+### Merged
+
+- Update UPGRADING.md [`#616`](https://github.com/http-party/node-http-proxy/pull/616)
+
+### Fixed
+
+- [fix] always be an eventemitter for consistency fixes #606 [`#606`](https://github.com/http-party/node-http-proxy/issues/606)
+
+### Commits
+
+- [api] emit a start an an end event [`8b48a9f`](https://github.com/http-party/node-http-proxy/commit/8b48a9fdab01624f7249c53f25919b1295eefb10)
+- [dist] Version bump. 1.1.0 [`97ceeb3`](https://github.com/http-party/node-http-proxy/commit/97ceeb37d04e5d2195352365985165866323c4d7)
+- [minor] missing angle bracket [`eca765a`](https://github.com/http-party/node-http-proxy/commit/eca765a856164c077ff9128949019552cdaf9a67)
+
+## [v1.0.3](https://github.com/http-party/node-http-proxy/compare/v1.0.2...v1.0.3) - 2014-03-27
+
+### Merged
+
+- Fix for #591 [`#592`](https://github.com/http-party/node-http-proxy/pull/592)
+- Add Repository field to package.json [`#578`](https://github.com/http-party/node-http-proxy/pull/578)
+- Fix doc: option lines [`#575`](https://github.com/http-party/node-http-proxy/pull/575)
+
+### Fixed
+
+- [api] add toProxy method to allow absolute URLs to be sent when sending to another proxy fixes #603 [`#603`](https://github.com/http-party/node-http-proxy/issues/603)
+
+### Commits
+
+- [doc] update docs with toProxy option [`ece85b4`](https://github.com/http-party/node-http-proxy/commit/ece85b4e1ba379b3ed084bd8f606e285c14d4db3)
+- [fix] set connection to CLOSE in cases where the agent is false. [`89a22bc`](https://github.com/http-party/node-http-proxy/commit/89a22bc00396f069eeb054ce30891a204077d16d)
+- @xtreme-topher-bullock - update package.json to have proper repository key and formatting [`68fa17b`](https://github.com/http-party/node-http-proxy/commit/68fa17bbcaa73ae2d9539cba6f6ddff29f9e30d5)
+- [dist] Version bump. 1.0.3 [`07fceb7`](https://github.com/http-party/node-http-proxy/commit/07fceb7c7aed25a8991d0295db4b4a7e50d79cf9)
+- Add support for localAddress [`e633b0f`](https://github.com/http-party/node-http-proxy/commit/e633b0f7e4fd719d809eaeb4725e589f79c271ab)
+
+## [v1.0.2](https://github.com/http-party/node-http-proxy/compare/v1.0.1...v1.0.2) - 2014-01-28
+
+### Merged
+
+- Update README.md [`#566`](https://github.com/http-party/node-http-proxy/pull/566)
+- Fix argument order for ws stream pass [`#560`](https://github.com/http-party/node-http-proxy/pull/560)
+- Extend listen to enable IPv6 support. [`#558`](https://github.com/http-party/node-http-proxy/pull/558)
+- Fix before and after type check [`#556`](https://github.com/http-party/node-http-proxy/pull/556)
+
+### Fixed
+
+- Close outgoing ws if incoming ws emits error [`#559`](https://github.com/http-party/node-http-proxy/issues/559)
+- [fix] closes #555 [`#555`](https://github.com/http-party/node-http-proxy/issues/555)
+
+### Commits
+
+- [fix] replicate node core behavior and throw an error if the user does not add their own error listener [`daad470`](https://github.com/http-party/node-http-proxy/commit/daad4703f3a80014936c89f4d67affdc3246f478)
+- [dist] Version bump. 1.0.2 [`4bdc3e4`](https://github.com/http-party/node-http-proxy/commit/4bdc3e4f455b2749c03961404db74e3112a3e9e8)
+- [doc] Fix broken image in npm by using an absolute link [`8004f4e`](https://github.com/http-party/node-http-proxy/commit/8004f4e5fc0f535806e92ec4e1bd973a45367dac)
+
+## [v1.0.1](https://github.com/http-party/node-http-proxy/compare/v1.0.0...v1.0.1) - 2014-01-17
+
+### Fixed
+
+- [fix] closes #553 [`#553`](https://github.com/http-party/node-http-proxy/issues/553)
+
+### Commits
+
+- [dist] bump v1.0.1 [`68c5512`](https://github.com/http-party/node-http-proxy/commit/68c55123039369cdf8a55a64b36b719c96b672cf)
+- typo [`689459f`](https://github.com/http-party/node-http-proxy/commit/689459fe46885a1b3b8e32a4df55f2d1339143e5)
+
+## [v1.0.0](https://github.com/http-party/node-http-proxy/compare/v0.10.4...v1.0.0) - 2014-01-16
+
+### Merged
+
+- Http proxy 1.0 [`#552`](https://github.com/http-party/node-http-proxy/pull/552)
+- Caronte [`#551`](https://github.com/http-party/node-http-proxy/pull/551)
+- Only emit response if a valid server is present [`#549`](https://github.com/http-party/node-http-proxy/pull/549)
+- [fix] add `type` to before and after to grab correct `passes`, fixes #537 [`#539`](https://github.com/http-party/node-http-proxy/pull/539)
+- export the proxy itself from the main require [`#536`](https://github.com/http-party/node-http-proxy/pull/536)
+
+### Fixed
+
+- [fix] closes #547 [`#547`](https://github.com/http-party/node-http-proxy/issues/547)
+- Merge pull request #539 from nodejitsu/fix-before-after [`#537`](https://github.com/http-party/node-http-proxy/issues/537)
+- [fix] add `type` to before and after to grab correct `passes`, fixes #537 [`#537`](https://github.com/http-party/node-http-proxy/issues/537)
+
+### Commits
+
+- [nuke] old files [`a4ee8f9`](https://github.com/http-party/node-http-proxy/commit/a4ee8f9d82f71ef423c401b1f5e9f712b13cbc98)
+- [docs] upgrade UPGRADING.md [`e599151`](https://github.com/http-party/node-http-proxy/commit/e5991519dbc7838aa4b8aeb5077d1c1ec5a13813)
+- [api] export the httpProxy.Server as the main export but preserve the createServer factory [`182c76c`](https://github.com/http-party/node-http-proxy/commit/182c76cd2322d4d4c041c2a964d51db396c5c96b)
+- [fix] remove caronte [`d6d2d0c`](https://github.com/http-party/node-http-proxy/commit/d6d2d0c8821bba9888eee7c3881fc408b3b2008e)
+- [fix] ee3 error handling [`d23353d`](https://github.com/http-party/node-http-proxy/commit/d23353d980d8aa1b2606e3d36a83d27432952bef)
+- [fix] comments [`6fa23e1`](https://github.com/http-party/node-http-proxy/commit/6fa23e11f6dc0b9c09766b268611ade919bfaa08)
+
+## [v0.10.4](https://github.com/http-party/node-http-proxy/compare/v0.10.3...v0.10.4) - 2013-12-27
+
+### Merged
+
+- Update README.md [`#521`](https://github.com/http-party/node-http-proxy/pull/521)
+- Better examples [`#520`](https://github.com/http-party/node-http-proxy/pull/520)
+- Send path in req.path and not the url [`#416`](https://github.com/http-party/node-http-proxy/pull/416)
+- Fix websocket error handing [`#518`](https://github.com/http-party/node-http-proxy/pull/518)
+- attempting to fix links to 2 source locations in README.md [`#502`](https://github.com/http-party/node-http-proxy/pull/502)
+- [merge] rename codename to actual project name [`#492`](https://github.com/http-party/node-http-proxy/pull/492)
+- [merge] Added error handling example [`#484`](https://github.com/http-party/node-http-proxy/pull/484)
+- [merge] https & agent [`#482`](https://github.com/http-party/node-http-proxy/pull/482)
+- [merge] caronte tests [`#476`](https://github.com/http-party/node-http-proxy/pull/476)
+- FIX: ws error event [`#475`](https://github.com/http-party/node-http-proxy/pull/475)
+- Fix accidental write to global variable. [`#472`](https://github.com/http-party/node-http-proxy/pull/472)
+- [fix] 2 spelling mistakes [`#14`](https://github.com/http-party/node-http-proxy/pull/14)
+- [fix] add ability to proxy websockets over HTTPS [`#11`](https://github.com/http-party/node-http-proxy/pull/11)
+- Tests [`#3`](https://github.com/http-party/node-http-proxy/pull/3)
+
+### Fixed
+
+- determine x-forwarded-port from host header [`#341`](https://github.com/http-party/node-http-proxy/issues/341)
+- [fix] closes #529 [`#529`](https://github.com/http-party/node-http-proxy/issues/529)
+- [fix] fixes #341 [`#341`](https://github.com/http-party/node-http-proxy/issues/341)
+- [tests] https test pass, fix #511. Exposed the rejectUnauthorized flag [`#511`](https://github.com/http-party/node-http-proxy/issues/511)
+- [fix] pass proper options object that extend the global options and parse the per proxy args into options. fixes #510 [`#510`](https://github.com/http-party/node-http-proxy/issues/510)
+- [readme] add links to badges on readme, fix #483 [`#483`](https://github.com/http-party/node-http-proxy/issues/483)
+- [fix] pooled connections, closes #478 [`#478`](https://github.com/http-party/node-http-proxy/issues/478)
+- [fix] add 0.10 link, fixes #459 [`#459`](https://github.com/http-party/node-http-proxy/issues/459)
+- [fix] closes #473 [`#473`](https://github.com/http-party/node-http-proxy/issues/473)
+- [fix] add 0.10 compatibily.. closes #474 [`#474`](https://github.com/http-party/node-http-proxy/issues/474)
+- [fix] headers, closes #469 [`#469`](https://github.com/http-party/node-http-proxy/issues/469)
+- [fix] headers, fixes #467 [`#467`](https://github.com/http-party/node-http-proxy/issues/467)
+- [fix] yawnt baaaka .. fixes #8 [`#8`](https://github.com/http-party/node-http-proxy/issues/8)
+
+### Commits
+
+- [fix] more jshint intendation [`17399e7`](https://github.com/http-party/node-http-proxy/commit/17399e7c3ef9addf9dd8f7c628b273e693f128a1)
+- [fix] tests [`a255f98`](https://github.com/http-party/node-http-proxy/commit/a255f984fecf24c9290f3ad58d1b68e54a7509eb)
+- [minor] remove coverage [`335af81`](https://github.com/http-party/node-http-proxy/commit/335af81d0244e62ecb501690bd15bc5a04ec51a3)
+- [examples] updated websockets examples [`ed8c9ee`](https://github.com/http-party/node-http-proxy/commit/ed8c9eeba99d60f39f5c36c4f34ed1a781d2cfd8)
+- [tests] removed unused tests [`7e25bde`](https://github.com/http-party/node-http-proxy/commit/7e25bded27effc1b3d47121ce21465a4e2ec7c0b)
+- [tests] Added a test case for run all the examples [`bc236d7`](https://github.com/http-party/node-http-proxy/commit/bc236d7e95ef10bc17cf551eea2cd2fb9bf265eb)
+- [tests] drop the test of own streams, moved the usable tests [`dc9d7e5`](https://github.com/http-party/node-http-proxy/commit/dc9d7e5452c7d39ae1d242cb8021ca75e4f736d4)
+- [fix] default port [`d166354`](https://github.com/http-party/node-http-proxy/commit/d1663549ec070e7ae8bc45ffb148f40ee903192f)
+- [tests] added the ws passes test and the streams webscokets test [`8b3fe32`](https://github.com/http-party/node-http-proxy/commit/8b3fe32f6ae60ae067bc5e40cdc43015e689467f)
+- [refactor minor] s/caronte/http-proxy/ or s/caronte/httpProxy/ where appropriate. [`bb0d28c`](https://github.com/http-party/node-http-proxy/commit/bb0d28c58729e2cc70e8446f7fbf1113a6fa9310)
+- [examples] updated bodyDecoder middleware example [`c82ff2c`](https://github.com/http-party/node-http-proxy/commit/c82ff2c3c0c0165421fbc4e7e94fa3f59d59aa38)
+- [dist] first [`4d13156`](https://github.com/http-party/node-http-proxy/commit/4d131567211bcefc6ef0b0592d374fef7bd5abd8)
+- [examples] update forward and custom error examples [`b726116`](https://github.com/http-party/node-http-proxy/commit/b7261161343c3471201d6de36ba1030aced26425)
+- [refactor docs] add descriptions [`d05af4a`](https://github.com/http-party/node-http-proxy/commit/d05af4af60a5f3d308aa68bf09ab0cf9e5528c52)
+- [tests] make the tests run with the last refactor [`5bb83b9`](https://github.com/http-party/node-http-proxy/commit/5bb83b967edb514402698eecfe3db7ab5fe60b06)
+- [examples] deleted this examples [`bdeabb7`](https://github.com/http-party/node-http-proxy/commit/bdeabb767a537bcb9f98ef74f6efe9762a9b1c34)
+- websocket draft [`07551c6`](https://github.com/http-party/node-http-proxy/commit/07551c63e428551e5d6e52362efd9620a14c71b4)
+- [fix] naming [`2a59366`](https://github.com/http-party/node-http-proxy/commit/2a593664a5768c90d9b2edf4c298460416b38926)
+- [dist doc] Added documentation for consistent benchmarking of node-http-proxy [`f7f5fa7`](https://github.com/http-party/node-http-proxy/commit/f7f5fa727e8f1d3f4946e61ad03830dab1da01a5)
+- [examples] update old examples [`7e44d36`](https://github.com/http-party/node-http-proxy/commit/7e44d3669bbd1b13e6452f265d52b22396f68b5d)
+- [docs] more short examples to the Readme [`0393b5d`](https://github.com/http-party/node-http-proxy/commit/0393b5da990bb45e873bb80d87a0bc9e4dd6a477)
+- [examples] updated old proxy examples [`e02317c`](https://github.com/http-party/node-http-proxy/commit/e02317ce86ff2dabd496cf7e2741e219a22ac817)
+- [wip] Initial HTTPS-&gt;HTTP test, updated https-secure example. Work in progress, need to add more https tests [`33a2462`](https://github.com/http-party/node-http-proxy/commit/33a2462d28c7d1fa26b03bcf290242ff7cd83e7a)
+- [docs] readme [`886a870`](https://github.com/http-party/node-http-proxy/commit/886a8707078f59d0467b34686455bb5bdfadbc0c)
+- [examples] added error-handling using callbacks and HTTP-to-HTTPS examples [`d7064f2`](https://github.com/http-party/node-http-proxy/commit/d7064f2e1e149fe870cbb158932cb99f9f192fce)
+- [examples] updated old examples [`588327c`](https://github.com/http-party/node-http-proxy/commit/588327c2c4392618b515164989f08ef20a30842b)
+- stuff [`e45bfd6`](https://github.com/http-party/node-http-proxy/commit/e45bfd66a21a2470c5a4a4cc1d6095494bbc0f6b)
+- [doc] added some documentation to functions and comments to understand better the code [`5dcdf2b`](https://github.com/http-party/node-http-proxy/commit/5dcdf2b36c24a9584f044b7529265b9ac861d8c7)
+- Fixed issue where error callback would not invoke, including new test cases. Added req/res values to error events. [`0bfb9be`](https://github.com/http-party/node-http-proxy/commit/0bfb9be418926f2113489e92504038127d4c04bb)
+- [examples] updated balancer examples [`831a44b`](https://github.com/http-party/node-http-proxy/commit/831a44b3c8c3acf6c046c47703a07cd6362a0d1c)
+- socket.io stuff [`a74cd85`](https://github.com/http-party/node-http-proxy/commit/a74cd85c8a5aae2851acf7139648fefd6a02a57b)
+- [tests] move contributions of @mmoulton to correct place [`7c72f3b`](https://github.com/http-party/node-http-proxy/commit/7c72f3b407a084a896e420c23ababc3e9357feca)
+- [tests] this file is not necessary anymore [`881c7e6`](https://github.com/http-party/node-http-proxy/commit/881c7e62e0bef7b4b9f81b6fd121f7ad6641bd77)
+- [refactor] move to leaner architecture [`8273cb6`](https://github.com/http-party/node-http-proxy/commit/8273cb6461e4d33f36e583b0354d1bea038d0a56)
+- [fix] remove trailing whitespaces [`0aeaba7`](https://github.com/http-party/node-http-proxy/commit/0aeaba7fe6c51f150d0322eb90a77c1701ed88f5)
+- [test] added tests for web-outgoing.js [`16a4d9d`](https://github.com/http-party/node-http-proxy/commit/16a4d9da1136b79f40ad80482d3fd17dc74274b1)
+- [fix] some stuff start debugging proxystream [`d4f0da8`](https://github.com/http-party/node-http-proxy/commit/d4f0da898e5e8a2d6740e50a7fc34576435e1132)
+- [tests] now each test use a different port to avoid some slow opening and closing ports [`c75d06c`](https://github.com/http-party/node-http-proxy/commit/c75d06c5f92eb7c814deb49bb33cf9fffc632d97)
+- [tests] fixed inherits problem and listen for the correct event [`c65ffbb`](https://github.com/http-party/node-http-proxy/commit/c65ffbb976467dc1768983dcffe111d18e8f2db1)
+- [fix] ProxyStraem now works [`356f43d`](https://github.com/http-party/node-http-proxy/commit/356f43d719998d135e0fc404ac8508e330cf1e5b)
+- [examples] fix the copyright header of example files [`e592c53`](https://github.com/http-party/node-http-proxy/commit/e592c53d1a23b7920d603a9e9ac294fc0e841f6d)
+- [feature] start working on the new server [`b79bd29`](https://github.com/http-party/node-http-proxy/commit/b79bd29d5e984f34b9c07fbdc803aed83b3fd0bb)
+- ENH: updated examples [`f566a42`](https://github.com/http-party/node-http-proxy/commit/f566a42e511f4a6a8f3620f64e05df209e61b64f)
+- [examples] add example of gzip using the connect.compress() middleware [`2142c50`](https://github.com/http-party/node-http-proxy/commit/2142c506e08f56d52e1995da5506c3e032f19c3c)
+- [fix] refactor error handling [`601dbcb`](https://github.com/http-party/node-http-proxy/commit/601dbcbfe929af31995568b4f36b877245809058)
+- [tests] fixed according new refactor and added test to common.setupSocket() [`1cb967b`](https://github.com/http-party/node-http-proxy/commit/1cb967b90aaa5b9da57727b8acbd95108437797a)
+- [feature] websocket support [`79a14ac`](https://github.com/http-party/node-http-proxy/commit/79a14acfd2b2bf03f5ae2b334e7a37e619da6bb9)
+- keepalive sockets [`dad211e`](https://github.com/http-party/node-http-proxy/commit/dad211e71c9ac3b32eba1ea3755edb688053b9d3)
+- [tests] Using target field, tests now pass. We are missing the tests using forward field [`8085178`](https://github.com/http-party/node-http-proxy/commit/8085178dc2c24567adfb872a583863709ce60b5b)
+- [fix] callback as optional error handler [`c7924e0`](https://github.com/http-party/node-http-proxy/commit/c7924e01f92aeec07333273f0882c1dd5e9521ae)
+- ENH: added new https example, needs to be simplified before merge [`427d8d8`](https://github.com/http-party/node-http-proxy/commit/427d8d85369b0cd1d38afa0dd0f28ac98fa16001)
+- [test] proxystream test [`c961279`](https://github.com/http-party/node-http-proxy/commit/c9612798f1207a4c40b616608bf6274d79ad0e4d)
+- [lib] initial draft to websockets passes [`79f7f99`](https://github.com/http-party/node-http-proxy/commit/79f7f99528661162ae4153856888f078f666e017)
+- [fix] minor [`7599cee`](https://github.com/http-party/node-http-proxy/commit/7599cee3fd03a5ce645e313f35557a41c9ac1aee)
+- [tests] added HTTPS to HTTPS test [`31d919b`](https://github.com/http-party/node-http-proxy/commit/31d919b0a3d0b7f574e88fc5eed093c6b1a53548)
+- [feature] started working on error propagation, kinda sucks, gotta think it over [`9ab8749`](https://github.com/http-party/node-http-proxy/commit/9ab8749a9bec33b49c495975e8364336ad7be1a3)
+- [test] testing the onResponse proxy method [`27df8d7`](https://github.com/http-party/node-http-proxy/commit/27df8d72ad86d02cfce00a6e5c183d93dd50f97e)
+- [fix] remove duplicate [`10c0f11`](https://github.com/http-party/node-http-proxy/commit/10c0f11b68e39552051e508c7bf20d65d2d59177)
+- [tests] add more tests [`cedc5c4`](https://github.com/http-party/node-http-proxy/commit/cedc5c4bd2059585e1222ec4f03f09e8bcc808fc)
+- [docs] Update readme with more how to [`ae0faef`](https://github.com/http-party/node-http-proxy/commit/ae0faef5aa0080d742a9740f9cb38bfd54b7d97e)
+- [tests] added test for socket.io proxying [`10a0db4`](https://github.com/http-party/node-http-proxy/commit/10a0db4f0dd4594839f9098b9d67130085a067bc)
+- [tests] added test HTTPS to HTTP using own server [`bbe3bfd`](https://github.com/http-party/node-http-proxy/commit/bbe3bfdf98255b82a185a798ff9f29e74615b6ca)
+- [examples] update the error-handling example using the new error handle way [`a1b25a1`](https://github.com/http-party/node-http-proxy/commit/a1b25a123b4ff71e731f9beb27c5e078acfead65)
+- [fix] quote [`c4ddc4e`](https://github.com/http-party/node-http-proxy/commit/c4ddc4edd324d9910a11eea14561a0e3b953f29c)
+- ENH: updated README and added examples file. [`07091b5`](https://github.com/http-party/node-http-proxy/commit/07091b5077a40dfee29f6fd33ecb38d3fa25b801)
+- [test] passes/web.js (first 2 funcs) [`d40e4be`](https://github.com/http-party/node-http-proxy/commit/d40e4beb62381b962b6cf3254451de0a39f182b1)
+- [test] add test for forwardstream [`8fc3389`](https://github.com/http-party/node-http-proxy/commit/8fc33893672d26013c2b2ff396b777bcf1751527)
+- [tests] fixing tests, fixed some typos and changed how passes are stored [`a704213`](https://github.com/http-party/node-http-proxy/commit/a7042132c881656dd32f915d9b0b962f0ef92efb)
+- [test] added the lib/caronte/streams/forward.js initial test, one test pending [`2fac7b9`](https://github.com/http-party/node-http-proxy/commit/2fac7b9b009b12a940efb22de3af6db55ee686a9)
+- [api] add draft for proxystream [`4f24664`](https://github.com/http-party/node-http-proxy/commit/4f24664e8a50aa9b9a3ea155d067b85f94a8c81b)
+- [experiment] new api for proxying [`07cfa6b`](https://github.com/http-party/node-http-proxy/commit/07cfa6b981ff54d8d96eea6c9aa4b560ee3867ec)
+- [tests] the options got a problem and this test probe that timeout is not being set [`1d1ee88`](https://github.com/http-party/node-http-proxy/commit/1d1ee8858283d7c8984f1c1d6c5185b6822f9235)
+- new error propagation [`3a39e44`](https://github.com/http-party/node-http-proxy/commit/3a39e444ff68a74f6b586f0736bbd3f8a2511ca5)
+- [fix] docs [`ec981c5`](https://github.com/http-party/node-http-proxy/commit/ec981c5b74bf43dd36c8ca89833b751f59f01d38)
+- [examples] added concurrent proxy example [`04c1011`](https://github.com/http-party/node-http-proxy/commit/04c10113f7a3b568fb95b18f30e4aca3e059d961)
+- [fix] closes number #487 [`cde08fb`](https://github.com/http-party/node-http-proxy/commit/cde08fb2ee2df03c9457678d8e6776a5d89165b2)
+- [test] started writing tests [`16eacfa`](https://github.com/http-party/node-http-proxy/commit/16eacfa961d2a2d80534e95eba83010ed6ab01b4)
+- [tests] added tests for websockets [`02007ed`](https://github.com/http-party/node-http-proxy/commit/02007ed0fb38f798436ae5669bb18d4f27496667)
+- Revert "[fix] fixed options and server reference to can access them from passes functions" [`babdf53`](https://github.com/http-party/node-http-proxy/commit/babdf531fecd32f9af0963902909fcfa2cd374f1)
+- mm test file [`1a7bef0`](https://github.com/http-party/node-http-proxy/commit/1a7bef0cda58243416a263075dc6eb51f22b6dec)
+- [fix] fixed options and server reference to can access them from passes functions [`90fb01d`](https://github.com/http-party/node-http-proxy/commit/90fb01d38ac5af7ef395547b24e985b6f63b4abc)
+- [examples] added forward example [`7a3f6df`](https://github.com/http-party/node-http-proxy/commit/7a3f6dfbcc80ba32fa81004438c637e8d29eb029)
+- [docs] add UPGRADING.md [`db12f6c`](https://github.com/http-party/node-http-proxy/commit/db12f6c24e22c034c698457cc28ff60c990b55a5)
+- DOC: Added error handling example [`32a4088`](https://github.com/http-party/node-http-proxy/commit/32a40889cedfd6b0d92224aa921700a7b7271c68)
+- [examples] updated the modifyResponse-middleware example [`de3ff11`](https://github.com/http-party/node-http-proxy/commit/de3ff11656b4a847de3a63b28feed39b6c816480)
+- [test] test onError part, proxying to no where [`b85aa16`](https://github.com/http-party/node-http-proxy/commit/b85aa16e75401a223a947cde444d42cf7eeafb67)
+- ENH: updated agent options in `common.setupOutgoing` [`12cda56`](https://github.com/http-party/node-http-proxy/commit/12cda561afe534427a5f84da9d7e0beb64a8ecbc)
+- [fix] minor and short fixes [`e0faaaf`](https://github.com/http-party/node-http-proxy/commit/e0faaaf81152203b96f0313c68706468e7ee7357)
+- support websockets [`4a4607d`](https://github.com/http-party/node-http-proxy/commit/4a4607d075a912746386d1751fd6b0fc98cf6b20)
+- [test] COVERAGE [`004a46c`](https://github.com/http-party/node-http-proxy/commit/004a46c09df2f0f7b15d8e8f7119bc6039e0c01c)
+- [misc] add a LICENSE file [`584ce76`](https://github.com/http-party/node-http-proxy/commit/584ce76e7576c906e25cdd04a2e079f97bcf86ff)
+- ENH: updated https and agent option [`13741a8`](https://github.com/http-party/node-http-proxy/commit/13741a823f1c1c884d4a37e597e4b188598b0e25)
+- [fix] write connection header [`2c10f25`](https://github.com/http-party/node-http-proxy/commit/2c10f256b658bc0e906c20f29d94ab7eaf653055)
+- [fix] merge #495, thanks @glasser [`d0862af`](https://github.com/http-party/node-http-proxy/commit/d0862aff0c693366dcb11649b6abe1d011268953)
+- support forward [`8c8c455`](https://github.com/http-party/node-http-proxy/commit/8c8c455541f21ad9a9ac7ca19d1f37368206a2e2)
+- [tests] fix tests set correct host headers [`cfd417d`](https://github.com/http-party/node-http-proxy/commit/cfd417de2352b0f05535b979dc15abff60c1fb96)
+- [fix] Optimize fix for `x-forwarded-for-port`. [`2d42709`](https://github.com/http-party/node-http-proxy/commit/2d42709c3283637de16a49e815b03e63432bbd29)
+- ENH: updated readme with an example [`edd8e2f`](https://github.com/http-party/node-http-proxy/commit/edd8e2f04e4b39391b062fa6437d61b4ebde8748)
+- [doc] update README.md [`dcb873a`](https://github.com/http-party/node-http-proxy/commit/dcb873ad9992b1534615d59b8a0a70e8b87d7884)
+- [test] passes/web.js XHeaders func [`c02b721`](https://github.com/http-party/node-http-proxy/commit/c02b721321c455bc287c3fed6b9b21392ce2fc70)
+- [fix] fixed passes functions, now 'this' can be used and options are stored on 'this.options' [`9b3e1eb`](https://github.com/http-party/node-http-proxy/commit/9b3e1eb247df29d18ea299ff4ebb2f10eeb71269)
+- Revert "[fix] fixed passes functions, now 'this' can be used and options are stored on 'this.options'" [`5e130de`](https://github.com/http-party/node-http-proxy/commit/5e130de8548ad41b821da49299b4fd1c9536c5f0)
+- [minor] Remove duplicate dependencies and cleanup of the scripts [`a51b062`](https://github.com/http-party/node-http-proxy/commit/a51b0622780f48160001f9e74340f7d720cbfce6)
+- TEST: added agent and header tests [`39b0c46`](https://github.com/http-party/node-http-proxy/commit/39b0c46a6967fda5329760ad93a8ec01bc4a6f14)
+- [examples] fix styling and bad spaces [`6a6dfbb`](https://github.com/http-party/node-http-proxy/commit/6a6dfbb79dc156679f75dd519344d19a5b61613b)
+- ENH: added error events [`1b867a7`](https://github.com/http-party/node-http-proxy/commit/1b867a7f594f7dfe49fc17ff53451a353ec509d9)
+- [test] remove chunked on http1.0 [`ca09263`](https://github.com/http-party/node-http-proxy/commit/ca092635e7ac4d967b554e3b94a16a931946d464)
+- [tests] fix test to use the new way to pass options [`52ecd52`](https://github.com/http-party/node-http-proxy/commit/52ecd52ee5aa78603e44ba8d5ff9187410351622)
+- [examples] fixed https examples [`a467b7b`](https://github.com/http-party/node-http-proxy/commit/a467b7b4a9614a7cbfdc256524e1495616e3d4d9)
+- Revert "[tests] fix test to use the new way to pass options" [`2bf20d6`](https://github.com/http-party/node-http-proxy/commit/2bf20d61d53201e9820c5f9215e641fcf88f5172)
+- [fix] better code [`3d8e538`](https://github.com/http-party/node-http-proxy/commit/3d8e5383cd9d527825f95d9071a87865fcebca05)
+- [feature] implement _write and _read [`6a4294c`](https://github.com/http-party/node-http-proxy/commit/6a4294cbdfe85fa162969b1393032adc9d418441)
+- [fix] use the correct arguments order [`cc09ae6`](https://github.com/http-party/node-http-proxy/commit/cc09ae6a345cfde1689e1d8731c5822675c59d4d)
+- [fix] fix the correct order of arguments in ws-incoming passes [`02df9a3`](https://github.com/http-party/node-http-proxy/commit/02df9a33c5cce17ea32a892017acbe5ce57ab2e5)
+- [fix] write status [`e08d4ed`](https://github.com/http-party/node-http-proxy/commit/e08d4edad339d0f7f55900b3e6e6a0e770960215)
+- [fix] finished jshint fixes [`455f97e`](https://github.com/http-party/node-http-proxy/commit/455f97e14cb4929e0a3a5c746471e9c5e76436fc)
+- Update the README to describe middleware err handler. [`25bb3bf`](https://github.com/http-party/node-http-proxy/commit/25bb3bfa7012e0f975e10f0311cae8c39183fa41)
+- Prevent headers to be sent twice [`8332e74`](https://github.com/http-party/node-http-proxy/commit/8332e744202ed9de94288d8f1c822cd9fe788983)
+- [examples] added package.json with the dependencies needed by examples [`d85ccdd`](https://github.com/http-party/node-http-proxy/commit/d85ccdd333edcfc7551bcf8e0ffd7dc166e38e61)
+- [tests] added .travis.yml file [`0602500`](https://github.com/http-party/node-http-proxy/commit/06025002303f351f71d9e5f78a93895257f0d283)
+- [dist minor] 2 space indents next time @samalba [`7e8041d`](https://github.com/http-party/node-http-proxy/commit/7e8041d2b687b8375a1d0fe45270029c6e8ddee6)
+- [fix] naming [`8931009`](https://github.com/http-party/node-http-proxy/commit/893100972c22febbf133134394bc0bcef47d9e12)
+- Fix for #458. Host header may cause some sites not to be proxyable with changeOrigin enabled [`781c038`](https://github.com/http-party/node-http-proxy/commit/781c038f2b4d14a01cc9297e1e0dba6ce39dd6cb)
+- [docs] typos, typos everywhere... [`03880d8`](https://github.com/http-party/node-http-proxy/commit/03880d8d069e9e17ca7d7aea6eb760f6626a869c)
+- ENH: updated `ws` and `web` functions to use the global options object as a base [`268afe3`](https://github.com/http-party/node-http-proxy/commit/268afe34bb51448d511c9cd73c03e97d1c1baee0)
+- [fix] make @mmalecki a happy camper [`c9cd6d2`](https://github.com/http-party/node-http-proxy/commit/c9cd6d2ad324e0e6222932c8f29f27621071e045)
+- write [`f97c0c6`](https://github.com/http-party/node-http-proxy/commit/f97c0c6167371c5ff92e6361b1df02e3fd5506d7)
+- [fix] [`a9f9e21`](https://github.com/http-party/node-http-proxy/commit/a9f9e21eda2f8e912523e6b62abb0101c0353505)
+- [fix] coveralls.. will it work? [`f36cb4d`](https://github.com/http-party/node-http-proxy/commit/f36cb4d5a110fc86272e878278f103f313c86f56)
+- ENH: updated target and forward options so that a string may be specified [`ef946a7`](https://github.com/http-party/node-http-proxy/commit/ef946a7697b38b13178881b3d1ebde63681dd4a1)
+- added option for eventlistenerCount(max) [`8eb6780`](https://github.com/http-party/node-http-proxy/commit/8eb6780f8705caff13a5375446539b0621d497d7)
+- [fix] support buffer [`1204a35`](https://github.com/http-party/node-http-proxy/commit/1204a35e467c6c1855ba0dac8f55d79f899148a6)
+- DOC: updated readme with options [`1b5fb1d`](https://github.com/http-party/node-http-proxy/commit/1b5fb1d8fc21421b8383919d93e4149b586b211b)
+- ENH: added 'headers' to available options, to add or overwrite existing headers [`7d840d3`](https://github.com/http-party/node-http-proxy/commit/7d840d35151be1aac612798754af47368594781d)
+- [fix] move logo [`57abb7f`](https://github.com/http-party/node-http-proxy/commit/57abb7f26c14e281c3be07a8b84e3c79e066f59f)
+- FIX: tests. still need to add more tests tho [`a350fad`](https://github.com/http-party/node-http-proxy/commit/a350fadea6bace293131581487f8c66948009449)
+- [fix] move logo [`aaff196`](https://github.com/http-party/node-http-proxy/commit/aaff1966e4e2eb42c9890e57737f57a64e8d964a)
+- [docs] add travis build status [`6b61878`](https://github.com/http-party/node-http-proxy/commit/6b618787598a2a37850898dbdb3b4fe8f3c3414d)
+- [fix] do not send chunked responses to http1.0 clients [`8663ac1`](https://github.com/http-party/node-http-proxy/commit/8663ac1c43505f0081d906c3cd8e702d4b5ddeb0)
+- [dist] Bump dependencies. [`a81dd8d`](https://github.com/http-party/node-http-proxy/commit/a81dd8d53e1595cba9acf5cc3ca9517165dcc4aa)
+- [fix] readme [`4d3a4e1`](https://github.com/http-party/node-http-proxy/commit/4d3a4e1ee7370347898d1863ab73aa68ed345d8d)
+- [fix] proxying to https [`26c4c43`](https://github.com/http-party/node-http-proxy/commit/26c4c43a06263ec6721bc0e8a90644297d0cf217)
+- [fix] new logo [`ee3cc38`](https://github.com/http-party/node-http-proxy/commit/ee3cc380665a31ec6af28ddb73dfc543f430d3f8)
+- [fix] naming convention [`7d71a86`](https://github.com/http-party/node-http-proxy/commit/7d71a867a8bdc375f7577cec3905cca89bbf415c)
+- fix docs [`9243444`](https://github.com/http-party/node-http-proxy/commit/9243444ac006f73c00b0f1f78c4a77f342b0b4e4)
+- [fix] short circuit [`a6256ca`](https://github.com/http-party/node-http-proxy/commit/a6256cac1df1739e3da78fe5f0cf122ef7ce6b14)
+- [tests] this test is already in web-incoming tests [`920f1e7`](https://github.com/http-party/node-http-proxy/commit/920f1e7707aa1751577533cd368529f8a704d7af)
+- Emit middlewareError when on middleware error. [`bc12ca3`](https://github.com/http-party/node-http-proxy/commit/bc12ca39394f9aeed3e3047f59035ba48afa2885)
+- DOC: updated readme [`7ad5c0f`](https://github.com/http-party/node-http-proxy/commit/7ad5c0f993294c9e2e7650e15fbc62d11a2cb062)
+- [docs] add logo [`8b05626`](https://github.com/http-party/node-http-proxy/commit/8b05626eed5e45e72cf9b1f14a4c4dca1dd2ed0f)
+- [fix] making @stoke a happy camper [`34f16e7`](https://github.com/http-party/node-http-proxy/commit/34f16e74647095199f84ab61e10c8dafd60b505a)
+- [feature] add buffer support [`e3f8d5f`](https://github.com/http-party/node-http-proxy/commit/e3f8d5fdbe1ebc4f04188d95bbef768d09718d2c)
+- [Fix] 2 spelling mistakes [`5823842`](https://github.com/http-party/node-http-proxy/commit/58238421945bcc4236e280ebca7799b831ae29a4)
+- [fix] do not call .end [`6e77cd3`](https://github.com/http-party/node-http-proxy/commit/6e77cd390929842088ae9f6deb922a6627ddfecd)
+- attempting to fix link to valid options properties [`bbe2b27`](https://github.com/http-party/node-http-proxy/commit/bbe2b2788a7ee3c74fd44fe88b6dcf213264436f)
+- [fix] slimmer proxying [`031aa0f`](https://github.com/http-party/node-http-proxy/commit/031aa0fbf30bd377696c4efa508f6fc769bf1070)
+- [fix] use agent pool [`abf1d90`](https://github.com/http-party/node-http-proxy/commit/abf1d90fdf05a17ebe05a3e90d464a592e0aee69)
+- [tests] fix test using undefined url [`c4d56a5`](https://github.com/http-party/node-http-proxy/commit/c4d56a5faf1e89cdeb911f0ece0efe065eb58c45)
+- [fix] legacy [`162a42f`](https://github.com/http-party/node-http-proxy/commit/162a42f58f515c5418ccfac0b68f4c928103b1e1)
+- [tests] fixing minor typos [`b333e63`](https://github.com/http-party/node-http-proxy/commit/b333e63648aa67ea1b1aaf17ba684e5fc6f751a6)
+- Updated readme [`bd106d6`](https://github.com/http-party/node-http-proxy/commit/bd106d69f074a1c7018e685a4e144e23a17beb8c)
+- [misc] use the local mocha instead the global [`f1aeb05`](https://github.com/http-party/node-http-proxy/commit/f1aeb0500cde39b63e570323e0e478530d1222ab)
+- added unlimited listeners to the reverproxy event obj. [`1333c0c`](https://github.com/http-party/node-http-proxy/commit/1333c0cc62e7b590843f9b00326fe80137163c5e)
+- [tests] throw error when no options, ALL TESTS PASSING! YAY [`86750c7`](https://github.com/http-party/node-http-proxy/commit/86750c7e594c419dfae957aaf7e44e61e1d480e8)
+- ENH: updated example [`1c7ace2`](https://github.com/http-party/node-http-proxy/commit/1c7ace26c5a36fb63497f1ab67793c5b75495063)
+- [merge] PR #470 [`38e6d7c`](https://github.com/http-party/node-http-proxy/commit/38e6d7cd5449a7264dcf5244b3dfd07b2dda60e1)
+- [fix] remove stuff [`6a03e5f`](https://github.com/http-party/node-http-proxy/commit/6a03e5f7cf356416ea13584e279f5bfa3791c058)
+- [test][misc] remove node@0.8 to test on travis [`8eff1a1`](https://github.com/http-party/node-http-proxy/commit/8eff1a1f26bb739dfc5a1ad90b140ff2a18921d5)
+- merge with @cronopio [`0fb3381`](https://github.com/http-party/node-http-proxy/commit/0fb33810f5e70b714bd9868557d85a531b8e11e3)
+- [merge] text [`98f29bd`](https://github.com/http-party/node-http-proxy/commit/98f29bdcfca9b818ffe107b09578539fdf379c8a)
+- [fix] woops [`bd3df45`](https://github.com/http-party/node-http-proxy/commit/bd3df45010f282997cae3a699c7ecb885c01bdf8)
+- [test] Test on newer version of node [`ebbba73`](https://github.com/http-party/node-http-proxy/commit/ebbba73eda49563ade09f38bdc8aef13d1cf6c00)
+- new error propagation - follows [`1993faf`](https://github.com/http-party/node-http-proxy/commit/1993faf8a4227acda3423d46cf2cf13b4d9861e7)
+- [fix] minor typo [`5a1504f`](https://github.com/http-party/node-http-proxy/commit/5a1504f0764b7747b53cc0d92a69ff3093e85ade)
+- [fix] proxy to http(s) [`3c91ed3`](https://github.com/http-party/node-http-proxy/commit/3c91ed3d26d9af640d0c7a09fb9cdaf80ad673ca)
+- Put the arguments the right way around in the README. [`1457980`](https://github.com/http-party/node-http-proxy/commit/145798062e332ac2aed7f8e8e3240e38464c870a)
+- [fix] use some [`4480699`](https://github.com/http-party/node-http-proxy/commit/4480699d3a2a5080c051e7b8a100689fd1f58657)
+- [fix] layout [`d7078e2`](https://github.com/http-party/node-http-proxy/commit/d7078e2fdd16d23d0b5f8f1d8a7ab3e9011fea4f)
+- [docs] logo [`dd0f7b8`](https://github.com/http-party/node-http-proxy/commit/dd0f7b8876ae5b57fffab8857735b25b159f2bdb)
+- [fix] url [`0637322`](https://github.com/http-party/node-http-proxy/commit/0637322d96e54bbcf5a14bf009dd73314cada4ce)
+- [fix] opts [`adc5be0`](https://github.com/http-party/node-http-proxy/commit/adc5be020c7fff09a1c05ac771d5c5ab61002c23)
+- [docs] fix syntax highlighting [`da9de70`](https://github.com/http-party/node-http-proxy/commit/da9de7034a452d1281217a349bc9403fddcc2b7f)
+- [fix] typo [`275a519`](https://github.com/http-party/node-http-proxy/commit/275a5192fa257f78287a954b347e65023795487d)
+- [tests] fix code coverage, changed pattern on blanket options [`4090250`](https://github.com/http-party/node-http-proxy/commit/40902506af3361b642b8798350b48404fe0a4e78)
+- Put the arguments the right way around in emitter. [`7c8ecc8`](https://github.com/http-party/node-http-proxy/commit/7c8ecc8ea85b59fc16b55b9a142372b6ac168b2a)
+- [fix] link [`72a89ea`](https://github.com/http-party/node-http-proxy/commit/72a89eab8bafef3742d78e8de8631094f961f427)
+- [fix] space [`69f126b`](https://github.com/http-party/node-http-proxy/commit/69f126b34cbd190be8541a854d21f13bfb5a61bf)
+- [fix] tests [`8269eca`](https://github.com/http-party/node-http-proxy/commit/8269eca2bb34d08336b8889e06e53d3522fa79fe)
+- [fix] console [`18341d5`](https://github.com/http-party/node-http-proxy/commit/18341d559717e0a86f5ee4da024109e4b5a595a7)
+- Set travis to run `npm test` while we fix coveralss.io integration [`e2a5d51`](https://github.com/http-party/node-http-proxy/commit/e2a5d513cac3ebceff446787fa106c7f00caf785)
+- [fix] making @jcrugzz a happy camper [`2e7343d`](https://github.com/http-party/node-http-proxy/commit/2e7343d728a3187d48821b88ec2e2d4699bb2afe)
+- [fix] minor typo [`5d66ce1`](https://github.com/http-party/node-http-proxy/commit/5d66ce11bb7eef7e704a2de2c0ef3b5f754843e9)
+- [tests] tests fixed [`d60353f`](https://github.com/http-party/node-http-proxy/commit/d60353f80bbbcba128a2c51066e107365270e878)
+- [tests] disabled the examples-test by now [`d83fdf6`](https://github.com/http-party/node-http-proxy/commit/d83fdf69a1121bfcfba72bbffcd3105ae5852c56)
+- [fix] _ because it is unused [`590bb60`](https://github.com/http-party/node-http-proxy/commit/590bb604dae11223a0ae80469b59d6d341488f1f)
+- [tests] disable test, by now is not throwing without options [`a2b1f0a`](https://github.com/http-party/node-http-proxy/commit/a2b1f0a4c9079342db6255c5f92db4a0cb992707)
+- [fix] support target and forward [`961d2f9`](https://github.com/http-party/node-http-proxy/commit/961d2f9400b4cfd236c3c8ccbf401d37f8e871b8)
+- [dist] Version bump. 0.10.4 [`840f6d8`](https://github.com/http-party/node-http-proxy/commit/840f6d8d29dffc11d3726123c2d400940ca2bdda)
+- [fix] remove old reminescence [`4d65280`](https://github.com/http-party/node-http-proxy/commit/4d65280ea313438a94589bacf55f7a09cc107888)
+- [feature] add emit proxyRes [`dda6f7a`](https://github.com/http-party/node-http-proxy/commit/dda6f7a45a46d2bf63e482d0b47b7c36ae548546)
+- [docs] test badge [`1ceea3e`](https://github.com/http-party/node-http-proxy/commit/1ceea3e5f9b6232d60d673946bbccb7d8ccb4beb)
+- [tests] remove caronte and use http-proxy for file names [`c9f5772`](https://github.com/http-party/node-http-proxy/commit/c9f5772fc18226aca31471bc96c44a6dbff5cbea)
+- [logo] [`4c2f2f3`](https://github.com/http-party/node-http-proxy/commit/4c2f2f3b9a5ba65f97403e778a670f14301d52c1)
+
+## [v0.10.3](https://github.com/http-party/node-http-proxy/compare/v0.10.2...v0.10.3) - 2013-06-20
+
+### Merged
+
+- Pass default certs to SNICallback example [`#419`](https://github.com/http-party/node-http-proxy/pull/419)
+
+### Fixed
+
+- Pass default certs to SNICallback example [`#399`](https://github.com/http-party/node-http-proxy/issues/399)
+
+### Commits
+
+- [dist] Bump version to 0.10.3 [`2fd748f`](https://github.com/http-party/node-http-proxy/commit/2fd748fb61dac7de0daa50aabbface7033c6a222)
+- [fix] Respect `maxSockets` from `target` options in `RoutingProxy` [`e1d384e`](https://github.com/http-party/node-http-proxy/commit/e1d384e769e9f4adc5a06c516cfb721ff24b4b6d)
+- Send path in req.path and not the url [`0c75323`](https://github.com/http-party/node-http-proxy/commit/0c753234c0c85333f909bdbef034ffb6e192bad5)
+
+## [v0.10.2](https://github.com/http-party/node-http-proxy/compare/v0.10.1...v0.10.2) - 2013-04-21
+
+### Merged
+
+- Correct keep-alive responses to HTTP 1.0 clients [`#407`](https://github.com/http-party/node-http-proxy/pull/407)
+
+### Fixed
+
+- [minor] Style compliance. Fixes #402. [`#402`](https://github.com/http-party/node-http-proxy/issues/402)
+
+### Commits
+
+- Correct keep-alive responses to HTTP 1.0 clients. [`a29b5e8`](https://github.com/http-party/node-http-proxy/commit/a29b5e8e289c34c00d2b450e5fb9dd1969db4b97)
+- [minor] Strip trailing whitespace. [`7fc39d7`](https://github.com/http-party/node-http-proxy/commit/7fc39d77f47311b82c24ab05f8e1a45a2733305c)
+- Add headers on 'handshake' [`985025c`](https://github.com/http-party/node-http-proxy/commit/985025c90f3b2fafede64d8b17c318326f2423d9)
+- Don't test raw HTTP 1.0 requests over HTTPS. [`daf53bd`](https://github.com/http-party/node-http-proxy/commit/daf53bd753879223dc84a49c92d0efaf576c1fd3)
+- [dist] Version bump. 0.10.2 [`de0928f`](https://github.com/http-party/node-http-proxy/commit/de0928f616dd62165e8a22c00d091cabf31e1e87)
+
+## [v0.10.1](https://github.com/http-party/node-http-proxy/compare/v0.10.0...v0.10.1) - 2013-04-12
+
+### Merged
+
+- Fix for slab buffer retention, leading to large memory consumption [`#370`](https://github.com/http-party/node-http-proxy/pull/370)
+
+### Commits
+
+- [dist] Version bump. 0.10.1 [`9c13ad4`](https://github.com/http-party/node-http-proxy/commit/9c13ad46e416125373d6604f3954ec3df1f55449)
+
+## [v0.10.0](https://github.com/http-party/node-http-proxy/compare/v0.9.1...v0.10.0) - 2013-03-18
+
+### Merged
+
+- Change the emitter of the `proxyResponse` event [`#385`](https://github.com/http-party/node-http-proxy/pull/385)
+- Fixing a bug that generates an unexpected TypeError [`#383`](https://github.com/http-party/node-http-proxy/pull/383)
+- Mention Harmon used for response modifications in the readme [`#384`](https://github.com/http-party/node-http-proxy/pull/384)
+
+### Commits
+
+- [dist] Update CHANGELOG.md [`8665f3c`](https://github.com/http-party/node-http-proxy/commit/8665f3cc600feecbb4c8229699823149c69a144f)
+- Harmon messsage [`35ba0db`](https://github.com/http-party/node-http-proxy/commit/35ba0db554c6bace21b1bacfa8f5fb6df4228db0)
+- [fix breaking] Emit the `proxyResponse` event on the HttpProxy instance to reduce listener churn and reference counts. [`2620f06`](https://github.com/http-party/node-http-proxy/commit/2620f06e2db9a267945566f10837c4c2a5df753d)
+- [dist] Version bump. 0.10.0 [`71183bf`](https://github.com/http-party/node-http-proxy/commit/71183bf30bc2b9ad2eaf57c51980eeb0bc7edff0)
+- Fixing the if statement as it lead to 'TypeError: Parameter 'url' must be a string, not undefined' in certain cases [`c9b6895`](https://github.com/http-party/node-http-proxy/commit/c9b6895c5e14add6aba4f826a2173458a1896a5f)
+- Harmon messsage [`4e42354`](https://github.com/http-party/node-http-proxy/commit/4e42354e77d5731a383d516fc0b249d5d0eda745)
+
+## [v0.9.1](https://github.com/http-party/node-http-proxy/compare/v0.9.0...v0.9.1) - 2013-03-09
+
+### Commits
+
+- [dist doc] Updated CHANGELOG.md for `v0.9.1` [`ea5e214`](https://github.com/http-party/node-http-proxy/commit/ea5e214522d8ac34d1129b28ff188c0f232ce63f)
+- [dist] Version bump. 0.9.1 [`701dc69`](https://github.com/http-party/node-http-proxy/commit/701dc698e3eb39ca6836a02611d8dce750f4e212)
+- [breaking] Ensure that `webSocketProxyError` also receives the error to be consistent with `proxyError` events. [`c78356e`](https://github.com/http-party/node-http-proxy/commit/c78356e9cf27a21c57e4c98ef7dd3c22abe864c2)
+
+## [v0.9.0](https://github.com/http-party/node-http-proxy/compare/v0.8.7...v0.9.0) - 2013-03-09
+
+### Merged
+
+- If HTTP 1.1 is used and backend doesn't return 'Connection' header, expicitly  return Connection: keep-alive. [`#298`](https://github.com/http-party/node-http-proxy/pull/298)
+- add "with custom server logic" to the "Proxying WebSockets" section of the readme [`#332`](https://github.com/http-party/node-http-proxy/pull/332)
+- routing proxy 'this' reference bug? [`#365`](https://github.com/http-party/node-http-proxy/pull/365)
+- fixed issue #364 'proxyError' event emitted twice [`#374`](https://github.com/http-party/node-http-proxy/pull/374)
+- Misleading documentation for Websockets via .createServer [`#349`](https://github.com/http-party/node-http-proxy/pull/349)
+
+### Fixed
+
+- [api test] Manually merge #195 from @tglines since that fork was deleted. Update tests to use new macros. Fixes #195. Fixes #60. [`#195`](https://github.com/http-party/node-http-proxy/issues/195) [`#60`](https://github.com/http-party/node-http-proxy/issues/60)
+- [fix] Set "content-length" header to "0" if it is not already set on DELETE requests. Fixes #338. [`#338`](https://github.com/http-party/node-http-proxy/issues/338)
+- [fix] Do not use "Transfer-Encoding: chunked" header for proxied DELETE requests with no "Content-Length" header. Fixes #373. [`#373`](https://github.com/http-party/node-http-proxy/issues/373)
+- [fix] http-proxy should not modify the protocol in redirect request for external sites. Fixes #359. [`#359`](https://github.com/http-party/node-http-proxy/issues/359)
+- [fix] Emit `notFound` event when ProxyTable location does not exist. Fixes #355. Fixes #333. [`#355`](https://github.com/http-party/node-http-proxy/issues/355) [`#333`](https://github.com/http-party/node-http-proxy/issues/333)
+- [fix] Make options immutable in `RoutingProxy`. Fixes #248. [`#248`](https://github.com/http-party/node-http-proxy/issues/248)
+- [fix] Remove special case handling of `304` responses since it was fixed in 182dcd3. Fixes #322. [`#322`](https://github.com/http-party/node-http-proxy/issues/322)
+- [fix] Ensure `response.headers.location` is defined. Fixes #276. [`#276`](https://github.com/http-party/node-http-proxy/issues/276)
+
+### Commits
+
+- [minor] s/function(/function (/ s/){/) {/ [`9cecd97`](https://github.com/http-party/node-http-proxy/commit/9cecd97153ccce4f81c5eda35a49079e651fb27a)
+- working on x-forwarded-for [`1332409`](https://github.com/http-party/node-http-proxy/commit/133240937dc63aca0007388327837bc24808f79a)
+- Routing Proxy was not sending x-forward-*. Fixing It... [`916d44e`](https://github.com/http-party/node-http-proxy/commit/916d44e3d2a17bb9d5178f347ddad9796b988e05)
+- Added timeout option and test to test new timeout parameter, added requestFail assertion. [`89d43c2`](https://github.com/http-party/node-http-proxy/commit/89d43c20dd0dec1dda1fd70e57f3f250b9e3b431)
+- Add tests for headers bug fixes [`ecb5472`](https://github.com/http-party/node-http-proxy/commit/ecb547223f3f1d9bf551842c2026ee2f1a18638a)
+- Added simple round robin example with websocket support [`83fbd42`](https://github.com/http-party/node-http-proxy/commit/83fbd4250660f41de1ab2b5490a3bf58200ae148)
+- - support unix donain sockets and windows named pipes (socketPath) on node 0.8.x. On node 0.6.x the support was opaque via port, but on the new node, socketPath should be set explicitely. [`ffe74ed`](https://github.com/http-party/node-http-proxy/commit/ffe74ed299f81206b898147dbcc985519b2921f8)
+- pathnameOnly flag added.  Ignores hostname and applies routing table to the paths being requested. [`46b078a`](https://github.com/http-party/node-http-proxy/commit/46b078a98d10de7726a3bbca89121acc57ad7625)
+- [doc] added comments to pathnameOnly block. [`5e6be6c`](https://github.com/http-party/node-http-proxy/commit/5e6be6ccf5a39ff450e57d7b24e374a83569fa85)
+- remove offending code, final fix for issue #364 [`3b84e27`](https://github.com/http-party/node-http-proxy/commit/3b84e27ab4efd5ce3b8ac837d699d4ff6661c7e7)
+- memory leak fix in closing of the scokets [`2055d0c`](https://github.com/http-party/node-http-proxy/commit/2055d0c8ec16699ffb06adf6d64d9506920b2071)
+- Fix truncated chunked responses [`ef66833`](https://github.com/http-party/node-http-proxy/commit/ef66833c4d7f07ae9f42026f2bcc0fbca2440579)
+- Re-added previous description [`603106a`](https://github.com/http-party/node-http-proxy/commit/603106a13d28c0199fa4456cc9aee1692eb2588c)
+- pathnameOnly option documented in the Readme.md [`a1607c1`](https://github.com/http-party/node-http-proxy/commit/a1607c1684a7d7617e5148a0dca882eb08a9f03b)
+- [fix minor] Prevent crashes from attempting to remove listeners more than once when proxying websocket requests. [`a681493`](https://github.com/http-party/node-http-proxy/commit/a681493371ae63f026e869bf58b6fea682dc5de3)
+- Added comments [`64efa7f`](https://github.com/http-party/node-http-proxy/commit/64efa7f9291a2377a32e942a247700b71b107993)
+- Revert "[fix minor] Prevent crashes from attempting to remove listeners more than once when proxying websocket requests." [`c6da760`](https://github.com/http-party/node-http-proxy/commit/c6da760ca9f375025229fe3fc174aca943362f38)
+- [doc dist] Update CHANGELOG.md for `v0.9.0`. [`133115c`](https://github.com/http-party/node-http-proxy/commit/133115c9760130dcef447efbd18c470c08795c90)
+- add support for loading CA bundles [`10f6b05`](https://github.com/http-party/node-http-proxy/commit/10f6b0577518bdfcb6b43c1f516dc988bdcade53)
+- problem: don't want to run my server as root to bind to privileged ports (e.g. 80, 443). [`2c36507`](https://github.com/http-party/node-http-proxy/commit/2c3650746cd90fed63b140a8d393e18bd35cd8f9)
+- Add 'proxyResponse' event so observer can modify response headers or abort response. [`3b86a7a`](https://github.com/http-party/node-http-proxy/commit/3b86a7aae3fc366c5fa8645285a4368dbac7a0dc)
+- [minor] Move private helper to end of file. [`476cbe7`](https://github.com/http-party/node-http-proxy/commit/476cbe741fc41b7f1eb269d841d922784e8b3c6b)
+- Fix for retaining large slab buffers in node core [`d2888c8`](https://github.com/http-party/node-http-proxy/commit/d2888c83f5eab3fb82425ef4fd51e62621bf2764)
+- [dist] Update `devDependencies` [`ad21310`](https://github.com/http-party/node-http-proxy/commit/ad213106d06cfc79004841f04b8e73fe7d7ef67a)
+- [minor] Small whitespace compliance. [`ea0587a`](https://github.com/http-party/node-http-proxy/commit/ea0587a8f98b1eedc38c66b69293ae091e24be6e)
+- [doc fix] Add undefined var in example. [`deca756`](https://github.com/http-party/node-http-proxy/commit/deca7565c51fd678354d26eaae7fe2481e36e2c3)
+- working on x-forwarded-for [`31fc94a`](https://github.com/http-party/node-http-proxy/commit/31fc94aa5e43c54033d5384caaf104eebf3889bd)
+- Allow event observers to access upstream response headers and data. [`4c130f5`](https://github.com/http-party/node-http-proxy/commit/4c130f5dac5f2cfbfc2618446b86244aff4cb04f)
+- [fix doc] Fix bad variable reference in `README.md`. [`440013c`](https://github.com/http-party/node-http-proxy/commit/440013c263a96c6681bfe92a8f56db93b58efa8d)
+- Change wording for handling websocket proxy events [`ee6bbe0`](https://github.com/http-party/node-http-proxy/commit/ee6bbe00244c90bd532b11ff1c796aea8c7372f8)
+- [dist] Version bump. 0.9.0 [`c68e038`](https://github.com/http-party/node-http-proxy/commit/c68e0389120d8530e578e20496d8ee091e69a580)
+- fix 'this' reference in routing proxy listener bindings [`15afc23`](https://github.com/http-party/node-http-proxy/commit/15afc23a275f3fa16653fff6179368122661a0af)
+- cleanning [`8d87399`](https://github.com/http-party/node-http-proxy/commit/8d8739999fcaf4cdd8f2471046f6f036c44dc8f7)
+- cleanning [`9672b99`](https://github.com/http-party/node-http-proxy/commit/9672b9927156a0dfe3ce4539f380aaf3172f6267)
+- Fix typo which slipped in during patch clean-up [`ba65a48`](https://github.com/http-party/node-http-proxy/commit/ba65a485fcf7230e85cee77f6eefcd17e46c8f86)
+- Remove data event that is not needed after-all. [`b1c4bd6`](https://github.com/http-party/node-http-proxy/commit/b1c4bd61e8ae5705d4cc97bf719c381554671967)
+
+## [v0.8.7](https://github.com/http-party/node-http-proxy/compare/v0.8.6...v0.8.7) - 2012-12-22
+
+### Commits
+
+- [fix] Handle errors on request object [`edfe869`](https://github.com/http-party/node-http-proxy/commit/edfe86915941e465a06c1d0a3330ee32e5834aa6)
+- [dist] Bump version to 0.8.7 [`26d3646`](https://github.com/http-party/node-http-proxy/commit/26d3646ff252129f35525ab0540a31f5617a31d2)
+- [fix] Don't remove `error` listener after response ends [`223eacd`](https://github.com/http-party/node-http-proxy/commit/223eacda85a4267f2860f6c46f7dedfa9db8c224)
+
+## [v0.8.6](https://github.com/http-party/node-http-proxy/compare/v0.8.5...v0.8.6) - 2012-12-21
+
+### Merged
+
+- http-proxy: 304 responses should emit 'end' too [`#337`](https://github.com/http-party/node-http-proxy/pull/337)
+
+### Commits
+
+- [bench] Remove silly "benchmarks" [`2bd9cd9`](https://github.com/http-party/node-http-proxy/commit/2bd9cd9adb6cea6763930468d22cb56fffab6218)
+- [bench] Add a benchmark for websockets throughput [`6797a27`](https://github.com/http-party/node-http-proxy/commit/6797a2705a309d19a655ab468bcc80ba2e43cf41)
+- [fix] Handle socket errors [`2a61ec8`](https://github.com/http-party/node-http-proxy/commit/2a61ec85bdaeed9a5fca2a117efb36a7f76becc4)
+- [dist] Update `devDependencies` [`b81d9b7`](https://github.com/http-party/node-http-proxy/commit/b81d9b71daa32a571384cff29d81227993299236)
+- [dist] Bump version to 0.8.6 [`6cd78f6`](https://github.com/http-party/node-http-proxy/commit/6cd78f6af9ca08b8797c409896eea2ae6bb6d835)
+- [bench] More exact size display [`7bc1a62`](https://github.com/http-party/node-http-proxy/commit/7bc1a628feab78f8931e9e6481737dd871debfeb)
+
+## [v0.8.5](https://github.com/http-party/node-http-proxy/compare/v0.8.4...v0.8.5) - 2012-11-16
+
+### Merged
+
+- lib: allow overriding maxSockets [`#323`](https://github.com/http-party/node-http-proxy/pull/323)
+
+### Fixed
+
+- [fix] Convert strings to numbers if possible in `.createServer` [`#321`](https://github.com/http-party/node-http-proxy/issues/321)
+
+### Commits
+
+- [test] Delete invalid core test [`886a395`](https://github.com/http-party/node-http-proxy/commit/886a395429f20163992ca76e7b0d059256f56ba6)
+- [test] Upgrade `common.js` from node core [`fefbf04`](https://github.com/http-party/node-http-proxy/commit/fefbf04ac03126858bdad07df7b10131a46e17d6)
+- add "with custom server logic" to the "Proxying WebSockets" section of the readme.md [`03dbe11`](https://github.com/http-party/node-http-proxy/commit/03dbe115c2b088737e5b9abcadf91a8298f56f1f)
+- [test] Kill child process when exiting test runner [`74ec175`](https://github.com/http-party/node-http-proxy/commit/74ec1757153c503ce57eb552031648fe79731d48)
+- [fix] Correctly kill test processes [`b8c27ed`](https://github.com/http-party/node-http-proxy/commit/b8c27ed565e416827b7c4bb123aa9ee119d008e6)
+- [test] Make global detection work with older node versions [`3531fd6`](https://github.com/http-party/node-http-proxy/commit/3531fd609a8ce156d27c27ca38ac912a73aebfeb)
+- [dist] Bump version to 0.8.5 [`22639b3`](https://github.com/http-party/node-http-proxy/commit/22639b378189ec78f9962dde64337df050e29a6f)
+- [test] Run core tests on `npm test` [`41c9a9c`](https://github.com/http-party/node-http-proxy/commit/41c9a9caad679221b8f1d4dcfb74f9b2bdb8270b)
+- [test] Stop testing on `node v0.9`, tests timeout [`9042665`](https://github.com/http-party/node-http-proxy/commit/9042665ea98a6587e1d6800e51d3c354c0a1b20a)
+
+## [v0.8.4](https://github.com/http-party/node-http-proxy/compare/v0.8.2...v0.8.4) - 2012-10-23
+
+### Merged
+
+- Events patch [`#320`](https://github.com/http-party/node-http-proxy/pull/320)
+-  documentation for options [`#315`](https://github.com/http-party/node-http-proxy/pull/315)
+- Added travis build status [`#308`](https://github.com/http-party/node-http-proxy/pull/308)
+- Fix installation instructions: s/http/https/ [`#302`](https://github.com/http-party/node-http-proxy/pull/302)
+- If supplied pass changeOrigin option through to HttpProxy instance if set in RoutingProxy [`#285`](https://github.com/http-party/node-http-proxy/pull/285)
+
+### Commits
+
+- [fix test] Fix examples to use newest version of socket.io and helpers. Added tests for ensuring that examples require as expected with no errors. [`fd648a5`](https://github.com/http-party/node-http-proxy/commit/fd648a529090cefc202613fff3fdfec9ba0e6a72)
+- [fix] spdy should look like https when forwarding (until we get a client) [`698b01d`](https://github.com/http-party/node-http-proxy/commit/698b01da8e1fe6195b00e5006032d262a0a86f4e)
+- [docs] options [`4c8e1d9`](https://github.com/http-party/node-http-proxy/commit/4c8e1d96a36523a548959415903bc669ebcc138d)
+- http-proxy: emit websocket:start [`5df6e7b`](https://github.com/http-party/node-http-proxy/commit/5df6e7bdb8d4685a18e94ff1bf117ce8eff8d1c9)
+- [fix] `destroy()` websockets in case of an error [`0d00b06`](https://github.com/http-party/node-http-proxy/commit/0d00b06af307dc5c70c36e89617a08486eb665e2)
+- [fix] Suppress EADDRINUSE errors from `test/examples-test.js` since we are just looking for require-time errors. Isolate tests to ensure idempotency of ports [`c4a7b15`](https://github.com/http-party/node-http-proxy/commit/c4a7b1584302fe12a8fc06b6774db5ff602c3607)
+- [docs] more options [`d4cb9da`](https://github.com/http-party/node-http-proxy/commit/d4cb9dad6ce36a823c9e8970e0bb3266d844e536)
+- If HTTP 1.1 is used and backend doesn't return 'Connection' header, explicitly [`850171c`](https://github.com/http-party/node-http-proxy/commit/850171cdc41cb93343f7c31f650ac908a8d2dacb)
+- [refactor] Pass all options to `Agent` constructor [`eafdc74`](https://github.com/http-party/node-http-proxy/commit/eafdc744b67b33b5ed3cfc80de84dafcd850bdd0)
+- Fix socket leaks when FIN packet isn't responded to [`24b8406`](https://github.com/http-party/node-http-proxy/commit/24b84068eac1c704d9f8df3dc833b976850c328f)
+- [fix] Partial fix for rejecting self-signed certs in tests [`2e7d8a8`](https://github.com/http-party/node-http-proxy/commit/2e7d8a88f4b470dcc9da1639fe2a69e03251036c)
+- [fix] Dont use `-i` when running vows because it supresses `--target=` and `--proxy=` CLI arguments [`1783ab0`](https://github.com/http-party/node-http-proxy/commit/1783ab0625743355eecc11f5cfd57469c429daa0)
+- [test] Add `node v0.9` testing, test all branches [`4f6387c`](https://github.com/http-party/node-http-proxy/commit/4f6387c17f55c23da4aac161cf2e5a4dd2a25c40)
+- [minor] Remove `setEncoding` on incoming socket [`812868d`](https://github.com/http-party/node-http-proxy/commit/812868ddfc720b6c4fd26603c2fe4d5ae68f2492)
+- [dist] v0.8.3 [`a89a5b8`](https://github.com/http-party/node-http-proxy/commit/a89a5b80889a56dd31634096bc6546b6b7b26da2)
+- [fix] Ignore npm version errors when installing dependencies for examples [`a454666`](https://github.com/http-party/node-http-proxy/commit/a454666e7a0465ed65b7bbd29cf1b0c6c126d153)
+- [fix] function [`213e03c`](https://github.com/http-party/node-http-proxy/commit/213e03c99844c5c984fbf857bae32095165a1e8f)
+- [dist] Bump version to 0.8.4 [`4d7e8a8`](https://github.com/http-party/node-http-proxy/commit/4d7e8a808d83d3db1b729820aba5f481ab3d18f4)
+- [minor doc] Correct comment [`cee27fe`](https://github.com/http-party/node-http-proxy/commit/cee27feeddf9b4db06917dfa9e59e6bcd7e14c27)
+
+## [v0.8.2](https://github.com/http-party/node-http-proxy/compare/v0.8.1...v0.8.2) - 2012-07-22
+
+### Merged
+
+- Add example for gzip middleware using a proxy table. [`#221`](https://github.com/http-party/node-http-proxy/pull/221)
+- Implement RoutingProxy.prototype.remove [`#246`](https://github.com/http-party/node-http-proxy/pull/246)
+- prefer `target.hostname` over `target.host` [`#235`](https://github.com/http-party/node-http-proxy/pull/235)
+- add "Using two certificiates" to the https section of the readme.md [`#275`](https://github.com/http-party/node-http-proxy/pull/275)
+- Add support for setting the host in the executable [`#268`](https://github.com/http-party/node-http-proxy/pull/268)
+- Hi! I fixed some calls to "sys" for you! [`#270`](https://github.com/http-party/node-http-proxy/pull/270)
+- Fix bug: x-forwarded-proto set incorrectly as httphttps or wswss [`#266`](https://github.com/http-party/node-http-proxy/pull/266)
+
+### Commits
+
+- [refactor] Rewrite tests to use saner vows idioms. Update tests to use latest socket.io [`4ae7a5b`](https://github.com/http-party/node-http-proxy/commit/4ae7a5b84011bb5b9ec3a36ded4c5e5b3330db80)
+- [dist] Remove out-dated docco docs [`2d75510`](https://github.com/http-party/node-http-proxy/commit/2d75510d827c770c30a7292c31ef0f2007da7086)
+- [refactor test] Finish removing old test code. [`e2dc7f9`](https://github.com/http-party/node-http-proxy/commit/e2dc7f96937e5d565fea16c9f56b9f5d3e427de2)
+- [dist] Complete JSHint compliance except for `too many var statements` [`36226da`](https://github.com/http-party/node-http-proxy/commit/36226daa2e4cbc65fae80d2d09fd64c0e7ce36ba)
+- [refactor test] Add support for `http*-to-http*` testing from CLI arguments [`828dbeb`](https://github.com/http-party/node-http-proxy/commit/828dbebcaaf11e338a7727bf9d2fff8bfbd3726e)
+- [fix api] Optimize lookups in the ProxyTable. Ensure that RoutingProxy can proxy to `https` by default. [`55286a7`](https://github.com/http-party/node-http-proxy/commit/55286a7c499c0fe267f75d8e8441ff89f1e65f99)
+- Whitespace fixes. [`04ce49c`](https://github.com/http-party/node-http-proxy/commit/04ce49c5b289acb6ad72303e9ac70c637ea490b2)
+- [refactor tests] Finished refactoring tests to support `ws*-to-ws*` tests based on CLI arguments [`7e854d7`](https://github.com/http-party/node-http-proxy/commit/7e854d778b89201f7cb933e8bbda66316b98b0b4)
+- [doc] Minor formatting updates to README.md [`6753951`](https://github.com/http-party/node-http-proxy/commit/67539519faf1f32073fdb562404bd897072e24ee)
+- [fix] Changed require('util') to require('util') for compatibility with node v0.8 [`bf7e328`](https://github.com/http-party/node-http-proxy/commit/bf7e328fb837de69455c42f41822b0caae2777b6)
+- [test] Add .travis.yml file for Travis CI. [`29e6e74`](https://github.com/http-party/node-http-proxy/commit/29e6e748f780629d05635eebb421e8ee1d125058)
+- Use changeOrigin for proxyRequest. [`0273958`](https://github.com/http-party/node-http-proxy/commit/0273958b0a5c7823c6212cb6ce6e4f801a215d3b)
+- adding support for setting the host [`06e78f2`](https://github.com/http-party/node-http-proxy/commit/06e78f27475165d023fd66afbe5dd626a6a548af)
+- match style requested by @cronopio [`415d4ed`](https://github.com/http-party/node-http-proxy/commit/415d4ed908e45332421d683eb45e0d6873b85ae7)
+- Fix bug: x-forwarded-proto set incorrectly [`0933f1c`](https://github.com/http-party/node-http-proxy/commit/0933f1c598c1b62a75e040c3ed3ccb262612d3c9)
+- [dist] Version bump. 0.8.2 [`13c34d0`](https://github.com/http-party/node-http-proxy/commit/13c34d09b2f8be14fbbe4be77c49b23066667f1b)
+
+## [v0.8.1](https://github.com/http-party/node-http-proxy/compare/v0.8.0...v0.8.1) - 2012-06-05
+
+### Merged
+
+- [misc] Updating the changelog. Close #137 [`#256`](https://github.com/http-party/node-http-proxy/pull/256)
+- Fix problem with req.url not being not properly replaced. [`#218`](https://github.com/http-party/node-http-proxy/pull/218)
+- Re-emit 'start', 'forward' and 'end' events in RoutingProxy, and fix some hanging issues. [`#216`](https://github.com/http-party/node-http-proxy/pull/216)
+- Fixes to make the websockets example work. [`#225`](https://github.com/http-party/node-http-proxy/pull/225)
+- [minor] Syntax error [`#222`](https://github.com/http-party/node-http-proxy/pull/222)
+- [docs] Making README links consistent with latest project structure. [`#208`](https://github.com/http-party/node-http-proxy/pull/208)
+- [docs] improved grammar [`#205`](https://github.com/http-party/node-http-proxy/pull/205)
+- proposed doc addition for #180 [`#189`](https://github.com/http-party/node-http-proxy/pull/189)
+
+### Fixed
+
+- Merge pull request #256 from nodejitsu/changelog [`#137`](https://github.com/http-party/node-http-proxy/issues/137)
+- [misc] Updating the changelog. Close #137 [`#137`](https://github.com/http-party/node-http-proxy/issues/137)
+
+### Commits
+
+- Whitespace fixes [`e9fd3f4`](https://github.com/http-party/node-http-proxy/commit/e9fd3f43d7e890f0164b5a03a34f196dd162d043)
+- Added example for gzip middleware using a ProxyTable. [`6201328`](https://github.com/http-party/node-http-proxy/commit/62013281b8a980c53a38362f10d746bfbf36c52e)
+- [examples] Added simple load balancer example [`fd7fcd8`](https://github.com/http-party/node-http-proxy/commit/fd7fcd8decbf0c7ab00cab84e151991e380b8fae)
+- [dist] Update author field for consistency [`27316e2`](https://github.com/http-party/node-http-proxy/commit/27316e22e8e7786252583cdb9131cfd8cacb07c1)
+- Add documentation for listening for proxy events to prevent a common mistake. [`4f2bc58`](https://github.com/http-party/node-http-proxy/commit/4f2bc58431c7f44d486ee8c1ee3136b3637f9405)
+- Fix RoutingProxy hanging when there is an error [`b26b434`](https://github.com/http-party/node-http-proxy/commit/b26b434e9fc501f7e0c4a966dbee6220c355bc7c)
+- prefer `target.hostname` over `target.host` [`c4d185d`](https://github.com/http-party/node-http-proxy/commit/c4d185dca9696c77d5c38d24d897c2679f6762a0)
+- [doc] Fix style in websockets example [`ed06af9`](https://github.com/http-party/node-http-proxy/commit/ed06af97efe406ea2533009be64a6b568f9d0601)
+- Add tests for remapping URL properly. [`5d839dd`](https://github.com/http-party/node-http-proxy/commit/5d839dd5f8890c6d2af96807b96d1bd5bb0f7276)
+- fixed comment typos in examples/http/proxy-https-to-http.js and proxy-https-to-https.js, lines 37 and 46 [`868f7e7`](https://github.com/http-party/node-http-proxy/commit/868f7e7a287c4709c541c077f3e2303f45b1f072)
+- [misc] changelog updated to version 0.8.1 [`e9a3a30`](https://github.com/http-party/node-http-proxy/commit/e9a3a3012c5507dff46afd3e5cececf43b1717ae)
+- Implement RoutingProxy.prototype.remove [`0532995`](https://github.com/http-party/node-http-proxy/commit/0532995dfa0be53d285c886a9922b8915f297d36)
+- Making README links consistent with latest project structure. [`7fa6599`](https://github.com/http-party/node-http-proxy/commit/7fa6599f4f2c92bb29bc5fc8a9ba06d704652c5e)
+- Address ticket #180 here since that problem is so hard to discover when you run into it. If there was an error, people would search for the error text, but there isn't. [`73e415a`](https://github.com/http-party/node-http-proxy/commit/73e415a22634bfc9e5993377902f67ac3212714a)
+- [tests] used socket.io 0.6.17 fixed version for tests [`45d67f4`](https://github.com/http-party/node-http-proxy/commit/45d67f42cba373db4f47765d6a3dd38a7d19dae6)
+- [fix] x-forwarded-proto sets properly [`ca37ad7`](https://github.com/http-party/node-http-proxy/commit/ca37ad74367764cca479a1af63bd7491dc79606b)
+- [doc] add missing {} to make an object [`843901e`](https://github.com/http-party/node-http-proxy/commit/843901eeeb24611ad24889f13edcbfd5dee4314d)
+- fix the broken english and clarified the sentence (I hope) [`e15db4f`](https://github.com/http-party/node-http-proxy/commit/e15db4fb50db3e2191f3ebd30e12eeed9c376bc2)
+- Re-emit 'start', 'forward' and 'end' events in RoutingProxy. [`99ee542`](https://github.com/http-party/node-http-proxy/commit/99ee54259eae70c0c680ee82efc7dd184313f182)
+- [doc] call listen() to get the server started [`4fc1ee8`](https://github.com/http-party/node-http-proxy/commit/4fc1ee85d35d9feb468f808ddd11aaf186eaedd4)
+- syntax error fixed [`5842d0e`](https://github.com/http-party/node-http-proxy/commit/5842d0ee7de875378d9b8ae240748dd2af567be9)
+- [dist] Version bump 0.8.1 [`81f6095`](https://github.com/http-party/node-http-proxy/commit/81f6095cf08f84a84ae2bbda7ca0315729638fe0)
+- finally removed hidden char [`4358a4c`](https://github.com/http-party/node-http-proxy/commit/4358a4c1225acf8c13536fd742b845166f3a65a6)
+- [minor fix] delete white space [`df650d1`](https://github.com/http-party/node-http-proxy/commit/df650d11dd0a47653a4905f871d8d3d6c327d600)
+
+## [v0.8.0](https://github.com/http-party/node-http-proxy/compare/v0.7.3...v0.8.0) - 2011-12-23
+
+### Merged
+
+- Fix issue where front-end is HTTPS, back-end is HTTP, and server issues a redirect. [`#165`](https://github.com/http-party/node-http-proxy/pull/165)
+- Modified the ad-hoc proxy lookup to use _getKey(), rather than the error-prone in-line method. [`#164`](https://github.com/http-party/node-http-proxy/pull/164)
+- Allows node-http-proxy to append new values to existing headers for incoming "x-forward-for","x-forward-proto" and "x-forward-port" [`#163`](https://github.com/http-party/node-http-proxy/pull/163)
+- [fix] only set one drain listener while paused [`#136`](https://github.com/http-party/node-http-proxy/pull/136)
+- [docs] grammar correction [`#134`](https://github.com/http-party/node-http-proxy/pull/134)
+
+### Fixed
+
+- [fix] Avoid `Transfer-Encoding: chunked` for HTTP/1.0 client, closes #59. [`#59`](https://github.com/http-party/node-http-proxy/issues/59)
+
+### Commits
+
+- [refactor minor] Update vendor/websocket.js to be compatible with node@0.6.x [`ea7fea6`](https://github.com/http-party/node-http-proxy/commit/ea7fea627255ed34d39902438b55e740c7c9b08c)
+- [test] Add common.js file from core [`543f214`](https://github.com/http-party/node-http-proxy/commit/543f214361605cffdbee7b233029edf343c358c1)
+- [test] Add core `test-http-proxy` test [`feb324b`](https://github.com/http-party/node-http-proxy/commit/feb324b0d4c0a2307493b35be944ed08ffc9187a)
+- [test] Add core `test-http` test [`25a9e2d`](https://github.com/http-party/node-http-proxy/commit/25a9e2d217cabef07d6f161f5d6ded49342dbb2f)
+- [test] Add core `test-http-host-headers` test [`f298411`](https://github.com/http-party/node-http-proxy/commit/f298411f76a106791f34dd4d31ea033a7bdca9c7)
+- [test] Add core `test-http-extra-response` test [`c26ab5e`](https://github.com/http-party/node-http-proxy/commit/c26ab5e46ff2649f0ea6585f20d8f58b7d0cadef)
+- [test] Add core `test-http-set-cookies` test [`b3b5cce`](https://github.com/http-party/node-http-proxy/commit/b3b5cce3aee98a7fd5b50fb8e1bd6bd5e1c7512f)
+- [test] Add core `test-http-client-abort` test [`7bf8d4a`](https://github.com/http-party/node-http-proxy/commit/7bf8d4a7be668591b350144b4546559abf9a0b5f)
+- [test] Add core `test-http-client-upload` test [`7648fe5`](https://github.com/http-party/node-http-proxy/commit/7648fe50c1859597dc390e9e628db938372483e7)
+- [test] Add core `test-http-client-upload-buf` test [`5ac9878`](https://github.com/http-party/node-http-proxy/commit/5ac987857c934d07073b853f5243d2d8fc6d8c2b)
+- [test] Add core `test-http-upgrade-server2` test [`bc98c0d`](https://github.com/http-party/node-http-proxy/commit/bc98c0dbce154ef266eef83d3c2f737a2d60f0e6)
+- [test] Implement basic runner for multiple tests [`a4079c6`](https://github.com/http-party/node-http-proxy/commit/a4079c6a1c8b87334d12d47d67f060cbb1214696)
+- [test] Add core `test-http-upload-timeout` test [`60ff181`](https://github.com/http-party/node-http-proxy/commit/60ff181af9c22405d3822ce5955f178ab13de79d)
+- [test] Add core `test-http-status-code` test [`82060a5`](https://github.com/http-party/node-http-proxy/commit/82060a53430de05f2dc95450d8487bc8139544d5)
+- [test] Add core `test-http-many-keep-alive-connections` test [`4e1ca6e`](https://github.com/http-party/node-http-proxy/commit/4e1ca6e61899b11cad1b437cc9d9490b9d856665)
+- [test] Add core `test-http-chunked` test [`d7461f3`](https://github.com/http-party/node-http-proxy/commit/d7461f3206cca0691fbd438545ff325589770627)
+- [test] Add core `test-http-head-response-has-no-body-end` test [`13389db`](https://github.com/http-party/node-http-proxy/commit/13389db1bef38a7fc7ddc3ada479a608f033020c)
+- [test] Add core `test-http-server-multiheaders` test [`d7f15d0`](https://github.com/http-party/node-http-proxy/commit/d7f15d02f7477c76529fc76daddee5029079eb2d)
+- [test] Add core `test-http-multi-line-headers` test [`35d2088`](https://github.com/http-party/node-http-proxy/commit/35d2088c96bacb44b17755176b6e9451ed0299dd)
+- [test] Add core `test-http-head-response-has-no-body` test [`f79f3ad`](https://github.com/http-party/node-http-proxy/commit/f79f3adf0295ec5bb7fb9f6525b48ba5209d04c6)
+- [refactor] Improved event handler cleanup  [`9f92332`](https://github.com/http-party/node-http-proxy/commit/9f923325d08ac018a3325beaa9e0805b5eda61e6)
+- [fix minor] Correctly set x-forwarded-proto in WebSocket requests [`c81bae2`](https://github.com/http-party/node-http-proxy/commit/c81bae2fdde3bf0087fe71a39855c61c43ffb145)
+- Revert "[refactor] Improved event handler cleanup " [`c83d88e`](https://github.com/http-party/node-http-proxy/commit/c83d88ee88faac10b53cd4296165ed85f26036b4)
+- Allowing the common proxy headers' value to be appended in proxy chain scenarios. [`621f9b4`](https://github.com/http-party/node-http-proxy/commit/621f9b425a272421de98a674f1679f0c47912733)
+- [test] Add basic test runner [`87999d0`](https://github.com/http-party/node-http-proxy/commit/87999d028880dfccca349c9c44f9e66a613c4d38)
+- [examples] Add some hand-crafted middleware [`6e65c20`](https://github.com/http-party/node-http-proxy/commit/6e65c20017a2e1a87dc6d58e847bc6db16440f3c)
+- [test] Add core `test-http-malformed-request` test [`a635389`](https://github.com/http-party/node-http-proxy/commit/a6353897cdbe8c380d52a060f5e66784f67ad98e)
+- [example] Response modification middleware [`dd83199`](https://github.com/http-party/node-http-proxy/commit/dd8319972c1c2f9421a90a21dce9560fd5ca199f)
+- [test] Add core `test-http-head-request` test [`c0857f2`](https://github.com/http-party/node-http-proxy/commit/c0857f2d59c33d91cb3e0c131c44ec1667f592fa)
+- [test] Add core `test-http-response-close` test [`f1c0be3`](https://github.com/http-party/node-http-proxy/commit/f1c0be3f0bd2c5e87d44a37ba4f29aafd9903ad4)
+- [refactor] core proxy logic. all tests should be passing. [`63ac925`](https://github.com/http-party/node-http-proxy/commit/63ac9252606d23e2003696da1fb34a539abee7ca)
+- [test] Add core `test-http-contentLength0` test [`275109b`](https://github.com/http-party/node-http-proxy/commit/275109b2f8c8519c56ca9f456096d4002698fab1)
+- [test] Add core `test-http-client-abort2` test [`98bbe54`](https://github.com/http-party/node-http-proxy/commit/98bbe541e4fa581f1b9e2eadb821c0609da6ab81)
+- adding tests for url segment proxytable routing [`91e9bb9`](https://github.com/http-party/node-http-proxy/commit/91e9bb90709cc8a361066d6f6b8f51f58bfd7e36)
+- [test] Add core `test-http-eof-on-connect` test [`80c216d`](https://github.com/http-party/node-http-proxy/commit/80c216df0cc59b88c6934f795c03ea16a737af34)
+- [example] Replace `sys` usages with `util` [`8d701bb`](https://github.com/http-party/node-http-proxy/commit/8d701bb20b593c6cdf0ff1bc35cf83051b21a35e)
+- [refactor] Updates to support http2 from @mikeal [`5b52c89`](https://github.com/http-party/node-http-proxy/commit/5b52c896947db42ac01e6038c9170d8859d33aea)
+- [refactor] Listen for `socket` events since reverseProxy.socket is no longer set synchronously [`3828616`](https://github.com/http-party/node-http-proxy/commit/38286168161d4f4ad24d2ad95ccd8335e9ed08a4)
+- [test] Run tests in `test/core/simple` by default [`68cebbe`](https://github.com/http-party/node-http-proxy/commit/68cebbe0e79ea283eea8a1ca850ab462c66c611a)
+- simplify proxytable path segment rewrite logic [`c03a450`](https://github.com/http-party/node-http-proxy/commit/c03a450d9b952e1463ae2609303029e317ff5da2)
+- change proxytable routing to route one level shallower [`4d50915`](https://github.com/http-party/node-http-proxy/commit/4d50915373b6afaafc7857a3e9366e8e77315683)
+- [docs] Little explanation for test/core directory [`8ca5d83`](https://github.com/http-party/node-http-proxy/commit/8ca5d83497cc106a2456ff7f2ebe3db5c8634d69)
+- [minor] Allow user to set `colors.mode` [`48d4a8b`](https://github.com/http-party/node-http-proxy/commit/48d4a8b263faa9acda06651bceeff50881f21b26)
+- [minor] Indentation fix [`9e630da`](https://github.com/http-party/node-http-proxy/commit/9e630daf81d10485206ec136c3e1a07fe065ffeb)
+- [v0.6] `http.Agent` uses different structure for sockets [`86b4122`](https://github.com/http-party/node-http-proxy/commit/86b4122323ca32d455714b1149b99acce49a9e45)
+- [minor] Nicer output from test runner [`5c3d41b`](https://github.com/http-party/node-http-proxy/commit/5c3d41bf4e101d0250fb0b3db4a8dc078104dcad)
+- Modified the ad-hoc proxy lookup to use _getKey(), rather than the [`553e7fb`](https://github.com/http-party/node-http-proxy/commit/553e7fbc335a9befd166d472f057aa50452a9d40)
+- [fix] When client request is aborted, abort server request [`4d43d81`](https://github.com/http-party/node-http-proxy/commit/4d43d81e5c2d7c8088716d4fd574019f43ebb5ce)
+- Fixes memory leak when clients abort connections [`c98ccb4`](https://github.com/http-party/node-http-proxy/commit/c98ccb40e9fe5c5198a1605fa8835efc3ff1856c)
+- [fix test] Make test runner exit after test exits [`31a8c68`](https://github.com/http-party/node-http-proxy/commit/31a8c6800ddf8d91b477d980605a4c19284a1648)
+- [test dist] Run core tests on `npm test` [`8358ef8`](https://github.com/http-party/node-http-proxy/commit/8358ef8a2bdf817c8ed515be7bc9cec0a9b5f486)
+- don't add upgrade handler if a custom handler is passed in [`d6ea3a4`](https://github.com/http-party/node-http-proxy/commit/d6ea3a425c203695394eaba4ce8abd57f7809e98)
+- always emit end in 0.4 [`182dcd3`](https://github.com/http-party/node-http-proxy/commit/182dcd34555f361c1bb2b8d2777689e64ce32f87)
+- [fix] Fix incorrect depth check. [`3ab02f3`](https://github.com/http-party/node-http-proxy/commit/3ab02f3ad7f2c59d73c621695eb238233c16d09c)
+- [minor] Everybody loves Unicode [`38bd906`](https://github.com/http-party/node-http-proxy/commit/38bd906f2bc9322b156b92c47457bb7904f0d23a)
+- [test minor] Update copyright notice on test runner [`2ccc5c7`](https://github.com/http-party/node-http-proxy/commit/2ccc5c73eaef30ab5a2af7e456bfcc270583c460)
+- [minor] When running tests output only basename [`e109eba`](https://github.com/http-party/node-http-proxy/commit/e109eba9724494737021579938c1094c9dfbc8ee)
+- [dist] Version bump. 0.8.0 [`5055689`](https://github.com/http-party/node-http-proxy/commit/5055689a11f3b990f848bf2699e0111d9e708d5f)
+- Revert "[dist] Adjusted engines field to allow for 0.6; version bump 0.7.7" [`1e33434`](https://github.com/http-party/node-http-proxy/commit/1e33434fcc4772c233825b5aada7472113c0be50)
+- changeOrigin option: set the host header to the proxy destination [`f27d26f`](https://github.com/http-party/node-http-proxy/commit/f27d26f4515c900ea4cf1756ef279257a189e308)
+- [dist] Adjusted engines field to allow for 0.6; version bump 0.7.7 [`30dac89`](https://github.com/http-party/node-http-proxy/commit/30dac898f30a8508b4c4b4236e9438987f320167)
+- [fix] In routing proxy, match line beginning [`63dfc7f`](https://github.com/http-party/node-http-proxy/commit/63dfc7f1757fc9a1a9bceeb3b035e97be6504692)
+- [v0.6] Don't use `agent.appendMessage()` [`6655e01`](https://github.com/http-party/node-http-proxy/commit/6655e0164216449a97090651230266da8ced0150)
+- bump version 0.7.4 [`3dfba2b`](https://github.com/http-party/node-http-proxy/commit/3dfba2ba4591e0fcd65ff0bfd012b3ab749a0a02)
+- bump version 0.7.6 [`c5dc929`](https://github.com/http-party/node-http-proxy/commit/c5dc9295c711177c165bfb34c67407e1a5a0ed06)
+- Revert "update outgoing.headers.host incase the destination does proxying" [`2061c71`](https://github.com/http-party/node-http-proxy/commit/2061c713664b044852fdf67aa5e173e5c3b6d874)
+- update outgoing.headers.host incase the destination does proxying [`65b7872`](https://github.com/http-party/node-http-proxy/commit/65b7872e6ad433deae4de823c63629cb341bd649)
+- bump version 0.7.5 [`b4d41c3`](https://github.com/http-party/node-http-proxy/commit/b4d41c3628ade82792eb361b095ab014a88d537a)
+- [minor] Fix indent on timeout notice [`c4124da`](https://github.com/http-party/node-http-proxy/commit/c4124da4f25860497790fc06c97dde6e8985ab73)
+- [minor] Change test runner output order [`b76680b`](https://github.com/http-party/node-http-proxy/commit/b76680b045f69e03759bc119f4827f337a8f395d)
+- grammar correction [`729496d`](https://github.com/http-party/node-http-proxy/commit/729496d2898612969f5369e7f1c313cb4034f96c)
+- [dist] Test runner depends on `async` [`219b0ff`](https://github.com/http-party/node-http-proxy/commit/219b0ff8f8780cde4714267273b0a1637c84679f)
+- [test fix] Remove unnecessary console.log in tests/websocket/websocket-proxy-test.js [`f188f4f`](https://github.com/http-party/node-http-proxy/commit/f188f4ffd8c47b6312cd88c28de7e5ac63565047)
+- [test refactor] `test/core/{run =&gt; run-single}` [`004be38`](https://github.com/http-party/node-http-proxy/commit/004be38048792d6f1d3efb361a5e7e66d5dbee8d)
+
+## [v0.7.3](https://github.com/http-party/node-http-proxy/compare/v0.7.2...v0.7.3) - 2011-10-03
+
+### Commits
+
+- added what is necessary for having proxyError on Routing proxywq [`b7adf86`](https://github.com/http-party/node-http-proxy/commit/b7adf866b595f0d64a3ef6bde19271276450e723)
+- [dist] Version bump. 0.7.3 [`db185bb`](https://github.com/http-party/node-http-proxy/commit/db185bb303ce9c413b2abccbc885f8ec43b61202)
+
+## [v0.7.2](https://github.com/http-party/node-http-proxy/compare/v0.7.1...v0.7.2) - 2011-09-30
+
+### Merged
+
+- [fix] Examples have working require paths now. [`#118`](https://github.com/http-party/node-http-proxy/pull/118)
+
+### Commits
+
+- [fix] Fixed require paths in examples [`2e8d4c6`](https://github.com/http-party/node-http-proxy/commit/2e8d4c6e49e2e9b27443c0b9ae2b96331715402b)
+- [websockets] add latest websockets support [`45ef87e`](https://github.com/http-party/node-http-proxy/commit/45ef87e71bc9cccefe5fb6afc3121fb09b8efbc3)
+- [dist] Version bump. 0.7.2 [`ccccc45`](https://github.com/http-party/node-http-proxy/commit/ccccc45f11fbe535017b1806fad43578f143649d)
+
+## [v0.7.1](https://github.com/http-party/node-http-proxy/compare/v0.7.0...v0.7.1) - 2011-09-21
+
+### Merged
+
+- Readme fixes [`#114`](https://github.com/http-party/node-http-proxy/pull/114)
+- #107: Set x-forwarded-for header (amongst others) [`#110`](https://github.com/http-party/node-http-proxy/pull/110)
+- command line tool - make sure targetPort is an integer [`#109`](https://github.com/http-party/node-http-proxy/pull/109)
+
+### Fixed
+
+- [dist] Version bump v0.7.1, closes #107 #112 [`#107`](https://github.com/http-party/node-http-proxy/issues/107)
+
+### Commits
+
+- [test] Added a test for the "x-forwarded-for" header [`66e9820`](https://github.com/http-party/node-http-proxy/commit/66e982060c6c41ad7dfadce1403c8e13d267781a)
+- [docs] Updated examples in README.md for 0.7.x API. [`24ef919`](https://github.com/http-party/node-http-proxy/commit/24ef9194953c27fb11a8f1ceb499e5feca11c30c)
+- [examples] Updated examples to v0.7.x API. [`8fc8d96`](https://github.com/http-party/node-http-proxy/commit/8fc8d966c4681d514af00516b348105608e13382)
+- [examples] More fixes to examples. [`549360a`](https://github.com/http-party/node-http-proxy/commit/549360a462c134cc2b02301070209084ec94c393)
+- [fix] x-forwarded http headers should set properly. [`2677bb6`](https://github.com/http-party/node-http-proxy/commit/2677bb6c44244ea0b584db744955bedf7aee2c62)
+- [fix] connection.socket -&gt; socket for source of x-forwarded-for data [`1f33943`](https://github.com/http-party/node-http-proxy/commit/1f33943b231cdf2cb619977801c7b0d4e98ab6df)
+- Make sure the target port is an integer [`5ba25aa`](https://github.com/http-party/node-http-proxy/commit/5ba25aa3451f131b6c6c8892848a4f236f5b859e)
+
+## [v0.7.0](https://github.com/http-party/node-http-proxy/compare/v0.6.6...v0.7.0) - 2011-09-10
+
+### Fixed
+
+- [fix] Add `x-forward-*` headers for WebSocket requests. Closes #74 [`#74`](https://github.com/http-party/node-http-proxy/issues/74)
+- [doc] Document `setMaxSockets`. Fixes #81 [`#81`](https://github.com/http-party/node-http-proxy/issues/81)
+
+### Commits
+
+- [api test dist] Stubbed out the API for the higher-level `RoutingProxy` object to be exposed by `node-http-proxy` [`5927ecd`](https://github.com/http-party/node-http-proxy/commit/5927ecd62a082269c3b6a0ae4f5b4a673784bcdb)
+- [api] Finalized the RoutingProxy API [`f765f90`](https://github.com/http-party/node-http-proxy/commit/f765f90ec37defaa2b493f859a982add51e25b76)
+- [minor] Move private methods to the bottom of file(s) [`ec03d72`](https://github.com/http-party/node-http-proxy/commit/ec03d72c5d8749aee835f571869f69816be02265)
+- [test] Updated tests to reflect finalized API of the RoutingProxy [`734769f`](https://github.com/http-party/node-http-proxy/commit/734769fa9b2c3054d45e33c3e552af80ce3f4740)
+- [api doc] Rebuilt httpProxy.createServer() with the newer high-level RoutingProxy API [`598fe2e`](https://github.com/http-party/node-http-proxy/commit/598fe2e38def56518a1f0a8196b2fcb7f1bc569e)
+- [minor] Remove commented out debug statements. [`5575bcf`](https://github.com/http-party/node-http-proxy/commit/5575bcf60c87def74d1755b2e5cc73e085dbf8c3)
+- [doc] Updated examples [`13eaec5`](https://github.com/http-party/node-http-proxy/commit/13eaec55dc50e2aae164cb8adaa0f1a3c5a66c68)
+- Add flow control [`6a7fd14`](https://github.com/http-party/node-http-proxy/commit/6a7fd14bfa9f25694d75cf490e32817ff15a94fe)
+- Add flow control [`2b9e09b`](https://github.com/http-party/node-http-proxy/commit/2b9e09b00ac40e6c6de2b68754df7b8e8c1e3878)
+- Emit drain if it doesn't happen on its own in 100ms [`37e2541`](https://github.com/http-party/node-http-proxy/commit/37e25418916a31e4a513ee5866d6013858d579cf)
+- resume() can throw [`558a8a4`](https://github.com/http-party/node-http-proxy/commit/558a8a4f79716496dbdee13759c8641606458c05)
+- [fix] Memory leak hunting. [`ca1d12c`](https://github.com/http-party/node-http-proxy/commit/ca1d12cf1bbfbe98b5159f9c02e2f6c818a1c749)
+- Emit drain if it doesn't happen on its own in 100ms [`84be9f2`](https://github.com/http-party/node-http-proxy/commit/84be9f2c3a244c7dbfe2c6320fa26d85cf80ec31)
+- resume() can throw [`0c71119`](https://github.com/http-party/node-http-proxy/commit/0c71119ee58ee84068120be72308ecb28cb3e532)
+- [dist] Update examples/package.json to conform to nodejitsu style guidelines [`2937229`](https://github.com/http-party/node-http-proxy/commit/29372298208135f571538cc29dcc05f41f79b01c)
+- Fixed large DoS vector in the middleware implementation [`0e36912`](https://github.com/http-party/node-http-proxy/commit/0e36912906640fdb007e0492b75c3f6a7b580ec6)
+- [api] Added new `close()` method which cleans up sockets from HttpProxy instances [`0eae2a9`](https://github.com/http-party/node-http-proxy/commit/0eae2a913a2173d85478f8c9deec929388284ee2)
+- Fixed large DoS vector in the middleware implementation [`07c8d2e`](https://github.com/http-party/node-http-proxy/commit/07c8d2ee6017264c3d4deac9f42ca264a3740b48)
+- [minor] More contextual errors when middleware(s) error [`38315f6`](https://github.com/http-party/node-http-proxy/commit/38315f6b1f7b01bc6e55587878a57590135945c0)
+- [dist] Update scripts in package.json [`6e1ade0`](https://github.com/http-party/node-http-proxy/commit/6e1ade0bb8174b744abb58df72b098bd96134ca4)
+- [dist] Version bump. 0.7.0 [`0182ba3`](https://github.com/http-party/node-http-proxy/commit/0182ba37cd4c618cd50947ea2addef823349e49f)
+- [merge] Merge from significant internal refactor in v0.7.x. No external API changes [`f7010e5`](https://github.com/http-party/node-http-proxy/commit/f7010e5169ac23114b9b35da272e9a041743fbb9)
+- [minor] Small update to bin/node-http-proxy [`2cd8256`](https://github.com/http-party/node-http-proxy/commit/2cd8256c4d6089409f603655ea3b3a5ccf1fb065)
+- [dist] Update .gitignore [`6c1c554`](https://github.com/http-party/node-http-proxy/commit/6c1c5544515bf17f0e6ed3588e16ae1a75f8a25b)
+- [doc] Update README.md [`0ba5023`](https://github.com/http-party/node-http-proxy/commit/0ba5023e82fe8a08ed55194644d147c323368f41)
+- [doc] Drop version number from README.md. [`bdf48be`](https://github.com/http-party/node-http-proxy/commit/bdf48bea36eae441c775e9321ab6e17db470bf27)
+- [dist] Version bump. 0.7.0 [`00e34a1`](https://github.com/http-party/node-http-proxy/commit/00e34a10bd9ffca9e636b2e5aebb4f18ff6765ec)
+- [test] Whitespace fix [`3a4d312`](https://github.com/http-party/node-http-proxy/commit/3a4d312eda08e7a5cecb3c82b04023e22f368e2b)
+- [dist] Reorganize examples based on classification(s): http, websocket, or middleware [`81d6c31`](https://github.com/http-party/node-http-proxy/commit/81d6c318758231f77a52fab7de174fcc63b7a243)
+
+## [v0.6.6](https://github.com/http-party/node-http-proxy/compare/v0.6.5...v0.6.6) - 2011-08-31
+
+### Commits
+
+- Memory leak hunting. [`f4fcf93`](https://github.com/http-party/node-http-proxy/commit/f4fcf934030e84c15cceca620e974aafc35f1691)
+- [fix] Add guards to every throw-able res.end call [`e1c41d0`](https://github.com/http-party/node-http-proxy/commit/e1c41d06942b56f6cd65a079ae78b54456a8bbe1)
+- [fix] Only set `x-forward-*` headers if req.connection and req.connection.socket [`de4a6fe`](https://github.com/http-party/node-http-proxy/commit/de4a6fe8a5f78460b030e635e5f4a63312cd4a76)
+- [dist] Version bump. 0.6.6 [`967884c`](https://github.com/http-party/node-http-proxy/commit/967884c5de311f21b8405a5030730ef8db912531)
+
+## [v0.6.5](https://github.com/http-party/node-http-proxy/compare/v0.6.4...v0.6.5) - 2011-08-29
+
+### Commits
+
+- [fix] Use `req.connection` for all x-forward-* headers [`f6dc12a`](https://github.com/http-party/node-http-proxy/commit/f6dc12a971fdd892614b32d2a4fb2ff39ddc0e67)
+- [dist] Version bump. 0.6.5 [`7beead5`](https://github.com/http-party/node-http-proxy/commit/7beead54654bdc7f9ab4ed0c17000118a3e7b4fc)
+
+## [v0.6.4](https://github.com/http-party/node-http-proxy/compare/v0.6.3...v0.6.4) - 2011-08-28
+
+### Fixed
+
+- Fix #95 Don't look on req.connection if it's not set. [`#95`](https://github.com/http-party/node-http-proxy/issues/95)
+
+### Commits
+
+- [api breaking] Begin refactor to optimize node-http-proxy by managing one instance of HttpProxy per `host:port` location [`d2b0e43`](https://github.com/http-party/node-http-proxy/commit/d2b0e4399e8026d3e2ece78ac8fdb1def6649950)
+- [api test] Updated httpProxy.createServer() for new API exposed by simplified HttpProxy object. [`be4562d`](https://github.com/http-party/node-http-proxy/commit/be4562da9fafef8b26856f7f73f6c5a2c4e389b0)
+- [test fix] A few minor fixes to ensure basic WebSocket tests are working. Better scope tests by supported protocol [`daf9231`](https://github.com/http-party/node-http-proxy/commit/daf9231a66f10a25782d2227df1b1501099ac5d1)
+- [test] Updates for readability [`db10c4a`](https://github.com/http-party/node-http-proxy/commit/db10c4af918c3e4bc448163f4b9e9b9267145d47)
+- Add guards to every throw-able res.end call [`7bda25b`](https://github.com/http-party/node-http-proxy/commit/7bda25b1c60d082f0f2fd12fc61b45a33b74f13d)
+- [minor] Dont use `.bind()` [`340be42`](https://github.com/http-party/node-http-proxy/commit/340be42797e87fcc11859a771200075e7fe0c5f1)
+- [dist] Version bump. 0.6.4 [`216d46d`](https://github.com/http-party/node-http-proxy/commit/216d46dc81bda1aeb0feb1318e34f37bee38c8fb)
+
+## [v0.6.3](https://github.com/http-party/node-http-proxy/compare/v0.5.11...v0.6.3) - 2011-08-28
+
+### Merged
+
+- This adds a flag to ProxyRequest to disable the setting of x-forwarded-[for|port|proto] [`#73`](https://github.com/http-party/node-http-proxy/pull/73)
+
+### Fixed
+
+- Merge branch 'patch-1' of https://github.com/KimSchneider/node-http-proxy [`#80`](https://github.com/http-party/node-http-proxy/issues/80)
+
+### Commits
+
+- [minor] Style updates and whitespace cleaning for consistency [`f0917a3`](https://github.com/http-party/node-http-proxy/commit/f0917a3f97e8df2d58252f14c15ec54369c969ae)
+- [api] refactor out middlewares from examples. [`2cf4e0a`](https://github.com/http-party/node-http-proxy/commit/2cf4e0a9e6c78dfd093c098fc87100ae71bc9450)
+- [docs] add middleware examples (first draft) [`020290a`](https://github.com/http-party/node-http-proxy/commit/020290a162146c4996831f4f13d71c1dc949f508)
+- [fix] use routing table mhen proxying WebSockets. [`efa17ef`](https://github.com/http-party/node-http-proxy/commit/efa17ef6cf614b763fc3b76570a24e750e2ddd31)
+- Tested & fixed url middleware example, added comments. [`4cc18f4`](https://github.com/http-party/node-http-proxy/commit/4cc18f4217739b0bd1b3ac88287cc8a23d486b6b)
+- [minor] add middleware to node-http-proxy [`b54666f`](https://github.com/http-party/node-http-proxy/commit/b54666ff69c574d842ce1349700c6b6248484d24)
+- [minor] add middleware to node-http-proxy [`c773eed`](https://github.com/http-party/node-http-proxy/commit/c773eedeb6d0b22e2b41ab9215cfdc064a8095e3)
+- [minor] add url-proxying middleware example [`45f3df8`](https://github.com/http-party/node-http-proxy/commit/45f3df80937ffd5854727c91ea6b0e09cf77e160)
+- [fix] Removed bad example. [`2626308`](https://github.com/http-party/node-http-proxy/commit/2626308cd845982c82a284b0d0bc064090aaf116)
+- [minor] add example to test concurrency [`6ec8d6c`](https://github.com/http-party/node-http-proxy/commit/6ec8d6caace3797841c0447feb081aa7920aa0dd)
+- [minor] add example of using middleware to gzip response [`d3c0697`](https://github.com/http-party/node-http-proxy/commit/d3c06973a1bf1f1c54ca55a5d7f93b77133ef9a2)
+- support old (port,host) and (options) style when using middlewares [`7976de1`](https://github.com/http-party/node-http-proxy/commit/7976de1121a40f963e18ea0a4673d185f847df4c)
+- [minor] Added body decoder middleware example.  Needs fixing. [`8eaec35`](https://github.com/http-party/node-http-proxy/commit/8eaec3507456731c1138c0b8ebb4e51dedc7c300)
+- [minor dist] Use `pkginfo`. Minor updates to variable scoping in `.createServer()` [`5d0bbb3`](https://github.com/http-party/node-http-proxy/commit/5d0bbb38c3af14907567e2dc7c4f84a915b60ce5)
+- [doc] add comments to examples/url-middleware.js [`f6484de`](https://github.com/http-party/node-http-proxy/commit/f6484de4112463c74105db82d27f131d64478f1d)
+- Handle cases where res.write throws [`be3a0d8`](https://github.com/http-party/node-http-proxy/commit/be3a0d84a1e75b45bc1fc63fe63cdabd9844eb59)
+- [minor] code style changes [`8b48b7e`](https://github.com/http-party/node-http-proxy/commit/8b48b7e0af656fdbd6da2b16ec6365beec47c302)
+- [doc] note in readme about middleware [`b5d5eaa`](https://github.com/http-party/node-http-proxy/commit/b5d5eaababa276f7d197e4b6a8a771b364b73139)
+- Allow forwarding for x-forwarded-[for|port|proto] to enabled layering of http-proxies. [`404818b`](https://github.com/http-party/node-http-proxy/commit/404818b1dce9e77a917ce9f0c187772eb8c18042)
+- [style] tidy [`0f8fe8e`](https://github.com/http-party/node-http-proxy/commit/0f8fe8e2460fd27edfba44989b78aa6b8c9a38e2)
+- [fix] do not use middleware code if it's not needed [`2012588`](https://github.com/http-party/node-http-proxy/commit/20125889b362c61c85924810de446e1e7b18d079)
+- [minor] minor fixes to gzip middleware example [`caa1f49`](https://github.com/http-party/node-http-proxy/commit/caa1f494ab4effabad6d08272c3606c1d82005ea)
+- [minor] default enableXForwarded to true [`e3d95ec`](https://github.com/http-party/node-http-proxy/commit/e3d95ecab24700535184df32f3a97e8699099b7f)
+- Updating to enableXForwarded [`ee3506a`](https://github.com/http-party/node-http-proxy/commit/ee3506a8e7262f780eeada331898d42ca0e9838a)
+- [api] Expose adapted version of `stack` so it can be used with HttpProxy instances not created by `httpProxy.createServer()` [`5d6e6b9`](https://github.com/http-party/node-http-proxy/commit/5d6e6b9f78eb98b28db01490a36b23c1aade133f)
+- The number of maxSockets has to be set after the agent is created. Setting the property in the constructor does not work. [`2caa5d2`](https://github.com/http-party/node-http-proxy/commit/2caa5d2b0d55898c133a0bf3a0048ee969efb121)
+- [fix] Dont use res.* in proxyWebSocketRequest [`f7452bc`](https://github.com/http-party/node-http-proxy/commit/f7452bc42d963406f7ee19dfa353d72ce3252dd6)
+- [fix] fix syntax errors. close issue #86 [`b8f8499`](https://github.com/http-party/node-http-proxy/commit/b8f84994b0515e12c9d87f89f81a8601be47a6ff)
+- [api] merge middleware branch [`e6ff8d6`](https://github.com/http-party/node-http-proxy/commit/e6ff8d6597a977baf0caf4f69c75bfa93d7281f3)
+- [dist] Version bump. 0.6.3 [`1389b70`](https://github.com/http-party/node-http-proxy/commit/1389b706b5c1d857c571c2947b7c758b5cc70ca3)
+- merged [`5ba0f89`](https://github.com/http-party/node-http-proxy/commit/5ba0f89aa356b2e76f5cf64c16e8578d71c45d8a)
+- [fix] handler variable in createServer was global (!)  [`25c06a3`](https://github.com/http-party/node-http-proxy/commit/25c06a3a952068de6a24c643cb0c872f7b9a0846)
+- [dist] bump version 6.0 [`03475a5`](https://github.com/http-party/node-http-proxy/commit/03475a59445a1c1c1029d0673aafabe63af1e711)
+- [dist] bump version 0.6.2 [`d8068a8`](https://github.com/http-party/node-http-proxy/commit/d8068a832d437790ce8680b9b34a9f171d75786c)
+- [dist] bump version 5.12 [`5d33ad7`](https://github.com/http-party/node-http-proxy/commit/5d33ad711895b2afcbd6dd5e1c0449cee1ceae7b)
+- [dist] bump version 0.6.1 [`fea371d`](https://github.com/http-party/node-http-proxy/commit/fea371dc0a47dfb4f84427e5740e8756f4e5b285)
+- [fix] broken RegExp [`549bfea`](https://github.com/http-party/node-http-proxy/commit/549bfeac233888ec84edeec350ed5a7377f3773e)
+- [doc] add note on middleware to Using node-http-proxy section of the README [`5bf2d59`](https://github.com/http-party/node-http-proxy/commit/5bf2d59241a7695f43bb89e5cb41ade2ab7a0ad2)
+
+## [v0.5.11](https://github.com/http-party/node-http-proxy/compare/v0.5.10...v0.5.11) - 2011-06-26
+
+### Fixed
+
+- [api] Simplify the usage for the `.changeHeaders` option. Fixes #34 [`#34`](https://github.com/http-party/node-http-proxy/issues/34)
+
+### Commits
+
+- [api doc test] node-http-proxy now emits `websocket:*` on important WebSocket events. Added tests for these features and updated some code docs [`4f85ca0`](https://github.com/http-party/node-http-proxy/commit/4f85ca04e425a7d4df1e46c9cadd6026eeed32f6)
+- [doc] Updated docco docs [`f0649d8`](https://github.com/http-party/node-http-proxy/commit/f0649d8d6a9f84ac61d5f173c585fa4307ffb3c3)
+- [doc] Added examples/latent-websocket-proxy.js [`fcfe846`](https://github.com/http-party/node-http-proxy/commit/fcfe84626fff15be21ac83ccd69b96bf3ca1f7a2)
+- [doc] Added sample for custom error messages using the `proxyError` event [`4cdbf0e`](https://github.com/http-party/node-http-proxy/commit/4cdbf0e8729a0665904b577376240c00e56ad876)
+- [doc] Add examples/standalone-websocket-proxy.js [`1ee8ae7`](https://github.com/http-party/node-http-proxy/commit/1ee8ae710497e239716f72d45e2f61ead3995dc3)
+- [dist] Version bump. 0.5.11 [`baf0b9e`](https://github.com/http-party/node-http-proxy/commit/baf0b9e25af53e2738812ff78614cc12966e99e3)
+- [doc] Small update to code docs [`9d9509f`](https://github.com/http-party/node-http-proxy/commit/9d9509f791c4c566629c2e323259885f1c3db7ed)
+- [minor] Add missing space [`b608a02`](https://github.com/http-party/node-http-proxy/commit/b608a029f8aa26f1a74a917e0bec0ac37e4615a0)
+
+## [v0.5.10](https://github.com/http-party/node-http-proxy/compare/v0.5.9...v0.5.10) - 2011-06-13
+
+### Commits
+
+- [refactor] Manage our own internal list of Agent instances [`887c580`](https://github.com/http-party/node-http-proxy/commit/887c5808c90b7128c040e510e237ddb4d034fe3e)
+- [doc] Update docco docs for 0.5.9 [`b4ac4d4`](https://github.com/http-party/node-http-proxy/commit/b4ac4d441fe4fb84d463bd889a5ce8d7f4d596ca)
+- [test] Update tests to use `localhost` [`a1cdf00`](https://github.com/http-party/node-http-proxy/commit/a1cdf005b98c422c777c88a7d7baf2eeb91f732d)
+- [dist] Version bump. 0.5.10 [`7b574d3`](https://github.com/http-party/node-http-proxy/commit/7b574d3d3e52b09a6445c011b8f2ae0d78282111)
+- [doc] Bump version in README.md [`653c6ca`](https://github.com/http-party/node-http-proxy/commit/653c6ca1af607623b653d3148b1bb45a304aab87)
+
+## [v0.5.9](https://github.com/http-party/node-http-proxy/compare/v0.5.8...v0.5.9) - 2011-05-23
+
+### Commits
+
+- [fix] Change sec-websocket-location header when proxying WSS --&gt; WS. Added test coverage for this scenario [`028d204`](https://github.com/http-party/node-http-proxy/commit/028d2044e71d70b7bc21d339de29e2275c3be5c2)
+- [dist] Version bump. 0.5.9 [`57ca62c`](https://github.com/http-party/node-http-proxy/commit/57ca62c878c9a953f2344719556e05492ece3435)
+
+## [v0.5.8](https://github.com/http-party/node-http-proxy/compare/v0.5.7...v0.5.8) - 2011-05-21
+
+### Commits
+
+- [doc] Regenerate docco docs [`c5fd368`](https://github.com/http-party/node-http-proxy/commit/c5fd368a8d803b6ab47e32e744a6fd6a6ca5361f)
+- [doc] Update docco docs [`74120d8`](https://github.com/http-party/node-http-proxy/commit/74120d8988627bb0686d3a26cb8ec1408cc41287)
+- [doc] Update to v0.5.7 in code and README.md [`6fd272a`](https://github.com/http-party/node-http-proxy/commit/6fd272ac18240811d8a8a39c85ee483557c414b3)
+- [dist] Version bump. 0.5.8. Forwards compatible with new versions of nodejs [`76ecb51`](https://github.com/http-party/node-http-proxy/commit/76ecb51e7b41a23288f922c9c5df3ce40f67bf80)
+- [fix] Dont force `Connection: close` now that Keep-Alive is supported [`a86d18b`](https://github.com/http-party/node-http-proxy/commit/a86d18bc7f93d013df715d1f4d88e651846f645d)
+- [test] Update to vows description for web-socket-proxy-test.js [`a865fe6`](https://github.com/http-party/node-http-proxy/commit/a865fe662ff04a4badcc90ce2af80d2380c40a85)
+
+## [v0.5.7](https://github.com/http-party/node-http-proxy/compare/v0.5.6...v0.5.7) - 2011-05-19
+
+### Commits
+
+- [api] Add `x-forwarded-proto` and `x-forwarded-port` to proxied HTTP requests [`421895f`](https://github.com/http-party/node-http-proxy/commit/421895fa308d49628bbbb546d542efa96769c3f4)
+- [dist] Version bump. v0.5.7. Only good on node v0.4.7. See issue #48. [`0911c17`](https://github.com/http-party/node-http-proxy/commit/0911c1719e641c6e4342027e8d5d82c47c6f310e)
+- [fix] Set `x-forwarded-for` from req.connection.socket.remoteAddress if req.connection.remoteAddress is not defined [`e9b3ec9`](https://github.com/http-party/node-http-proxy/commit/e9b3ec9b1d0ebf427e138176b28af44f0f973670)
+
+## [v0.5.6](https://github.com/http-party/node-http-proxy/compare/v0.5.5...v0.5.6) - 2011-05-19
+
+### Commits
+
+- [fix doc] Add `error` handler to reverseProxy request when proxying WebSockets to prevent unhandled ParseError. Rename some variables in proxyWebSocketRequest to make the code more readable [`76580c2`](https://github.com/http-party/node-http-proxy/commit/76580c292a152c0007352a9d383f59e48993cd03)
+- [doc] Regenerate docco docs [`bd45216`](https://github.com/http-party/node-http-proxy/commit/bd45216bc9207e5016f394a4bfee2bdffcc669c7)
+- [api minor] Small refactor to emit `webSocketProxyError` from a single helper function on any of the various `error` events in the proxy chain [`5d2192e`](https://github.com/http-party/node-http-proxy/commit/5d2192e654f23e1b76e0b66554debe1590a3af64)
+- [api] Manual merge of #46: add custom `proxyError` event and enable production error handling. [`652cca3`](https://github.com/http-party/node-http-proxy/commit/652cca37ea321ec9d1d55125217df0214c8090b6)
+- [dist] Version bump. v0.5.6 Only good on node v0.4.7. See issue #48. [`f1c0f64`](https://github.com/http-party/node-http-proxy/commit/f1c0f641aa14dc3c267de37370a7369c3131c636)
+
+## [v0.5.5](https://github.com/http-party/node-http-proxy/compare/v0.5.4...v0.5.5) - 2011-05-19
+
+### Commits
+
+- [fix] Change variable references for Websockets, bugs found from using wsbench [`7bf0cae`](https://github.com/http-party/node-http-proxy/commit/7bf0caef9fae86a34719f04f7b9926095fb6a146)
+- [dist] Version bump. 0.5.5. Only good on node v0.4.7. See issue #48. [`acacc05`](https://github.com/http-party/node-http-proxy/commit/acacc0561f2efabc0a7859b9a410e954f2dca6fd)
+
+## [v0.5.4](https://github.com/http-party/node-http-proxy/compare/v0.5.3...v0.5.4) - 2011-05-19
+
+### Commits
+
+- [doc] Update docco docs [`faf2618`](https://github.com/http-party/node-http-proxy/commit/faf2618cf3b53a972779514842bc4264ec9541fa)
+- [doc] Update README.md to reflect the new HTTPS to HTTP proxy capabilities [`abc01bc`](https://github.com/http-party/node-http-proxy/commit/abc01bce293f7c1a88f9be08b0540407d2b0f4a1)
+- [doc test api] Improve node-http-proxy API to allow for HTTPS to HTTP proxying scenarios. Update tests accordingly. [`895f577`](https://github.com/http-party/node-http-proxy/commit/895f577744e3cbcbb5f479c4aacec5323bb001f7)
+- [doc] Update examples for HTTPS to HTTP proxying [`91737fa`](https://github.com/http-party/node-http-proxy/commit/91737fadb640f30d3cd959f29069537473207efd)
+- [dist] Version bump. 0.5.4. Only good on node v0.4.7. See issue #48. [`c04eec1`](https://github.com/http-party/node-http-proxy/commit/c04eec1c370ca0eb212c96c0896c27b349f7ea97)
+- [minor] Update README.md to conform to Github flavored markdown [`32a15dd`](https://github.com/http-party/node-http-proxy/commit/32a15dd79d860343453c38a7eef8339d7b99718b)
+- [minor] Update README.md to conform to Github flavored markdown [`521fe27`](https://github.com/http-party/node-http-proxy/commit/521fe271853632563143fb4b76c032f7afa7831a)
+
+## [v0.5.3](https://github.com/http-party/node-http-proxy/compare/v0.5.2...v0.5.3) - 2011-05-18
+
+### Commits
+
+- [test] Continued work around Origin mismatch tests [`44a8566`](https://github.com/http-party/node-http-proxy/commit/44a85664a80fd67e20bbc36d280816dbd1a796c5)
+- [doc] Regenerate docco docs [`9e36d2d`](https://github.com/http-party/node-http-proxy/commit/9e36d2d2e619be322bb73092db2a9d72ef6709e8)
+- [fix test api] Only change Origin headers in WebSocket requests when the `changeOrigin` option is set explicitly. Added tests to ensure Origin and sec-websocket-origin headers match when proxying websockets. [`9c6c4b9`](https://github.com/http-party/node-http-proxy/commit/9c6c4b908b7d6ce67144ba9d41702b5694254099)
+- [test] Improve websocket tests to inspect outgoing and incoming HTTP headers to test origin mismatch bugs [`6e679c8`](https://github.com/http-party/node-http-proxy/commit/6e679c8019e1eb62b2b1da48628f89b8046203fd)
+- [test] Refined tests to begin checking Origin == Sec-Websocket-Origin [`9ab54ab`](https://github.com/http-party/node-http-proxy/commit/9ab54ab47fc43d98f3182da9c41487f524933783)
+- [doc minor] Update docs and code docs for v0.5.3 release [`03b9087`](https://github.com/http-party/node-http-proxy/commit/03b908744612faed82d9233f3b6d4af70368cf3c)
+- [dist] Version bump. v0.5.3. Only good on node v0.4.7. See issue #48. [`d9fa261`](https://github.com/http-party/node-http-proxy/commit/d9fa261cdc97aee71279064e536a4a22edbe3b5b)
+
+## [v0.5.2](https://github.com/http-party/node-http-proxy/compare/v0.5.1...v0.5.2) - 2011-05-17
+
+### Merged
+
+- Readme: fix syntax error, reformat code blocks [`#52`](https://github.com/http-party/node-http-proxy/pull/52)
+
+### Commits
+
+- format markdown for syntax highlighting on GitHub [`28f6dc1`](https://github.com/http-party/node-http-proxy/commit/28f6dc153a7d9fa9b6a08637c90765cf3a07fd3e)
+- [doc] Regenerate docco docs [`a5e1e3e`](https://github.com/http-party/node-http-proxy/commit/a5e1e3e70d02f32ab86b711ec4b262df5955a1a9)
+- [test] Fix tests in https mode [`1ee6bef`](https://github.com/http-party/node-http-proxy/commit/1ee6beff6aa3087e332701fd3cfda70b4e968ce8)
+- [fix] Manage bookkeeping for incoming requests to the underlying sockets behind reverse proxied websocket events. Only use the appropriate variables in the closure scope of the `upgrade` event from this bookkeeping [`85223ea`](https://github.com/http-party/node-http-proxy/commit/85223ea0800ad63ea82783c9dc2dc4a0e3345ae8)
+- [minor] Fix syntax in examples/ [`ff82946`](https://github.com/http-party/node-http-proxy/commit/ff829467d33d326c588861a46acc2bf9adbdddd2)
+- add spacing around code blocks to fix README rendering [`ab8c264`](https://github.com/http-party/node-http-proxy/commit/ab8c264e6d729de81c93982f97875006e52240f0)
+- [dist] Use devDependencies in package.json [`e6c52d4`](https://github.com/http-party/node-http-proxy/commit/e6c52d431f8a32e11cd347fbabeb7a03d0d40790)
+- don't highlight non-javascript as javascript [`d5b9ba7`](https://github.com/http-party/node-http-proxy/commit/d5b9ba7180376b8a67b9cbfebe9acf7399cab3ed)
+- fix syntax error in README example [`332d2d7`](https://github.com/http-party/node-http-proxy/commit/332d2d780ab62ccc996157dacd2498c568816ffc)
+- [minor] Ignore npm modules and debug logs [`e90cbd6`](https://github.com/http-party/node-http-proxy/commit/e90cbd6f148633ef7d3e2de06aaabe1cc493cc37)
+- [dist] Include docco module as a dev dependency [`d08c2bb`](https://github.com/http-party/node-http-proxy/commit/d08c2bb525ec661c0c8e6539e28605972b1ae9b8)
+- [dist] Version bump. 0.5.2. Only good on node v0.4.7. See issue #48. [`360e79a`](https://github.com/http-party/node-http-proxy/commit/360e79a005d298f40f36ee0e25c34fe534311b09)
+
+## [v0.5.1](https://github.com/http-party/node-http-proxy/compare/v0.5.0...v0.5.1) - 2011-05-10
+
+### Commits
+
+- [dist] Version bump. 0.5.1. Only good on node v0.4.7. See issue #48. [`6c80177`](https://github.com/http-party/node-http-proxy/commit/6c8017734053bc683f32a2b9f0ba18ba0c014855)
+- Revert "Fixed "Invalid argument to getAgent" when proxying HTTP" [`40dc9de`](https://github.com/http-party/node-http-proxy/commit/40dc9dee2d1e617af7f85a056d281b4f220f2802)
+- [fix] Fix typo in bin/node-http-proxy [`57127a3`](https://github.com/http-party/node-http-proxy/commit/57127a367193bcf12be2b367e1e01cbc57d685fe)
+- Merged pull request #39 from timmattison/master. [`ac425d7`](https://github.com/http-party/node-http-proxy/commit/ac425d70ef63b847fe6eb17dbfc4b084d0dd2d20)
+- Fixed "Invalid argument to getAgent" when proxying HTTP [`642e158`](https://github.com/http-party/node-http-proxy/commit/642e15805dbd572835bb4fee9527e4f2da658833)
+
+## [v0.5.0](https://github.com/http-party/node-http-proxy/compare/v0.4.2...v0.5.0) - 2011-04-17
+
+### Commits
+
+- [doc] Breakout demo.js into files in example/. Add web-socket-proxy.js example [`6e4bf6a`](https://github.com/http-party/node-http-proxy/commit/6e4bf6a9cbc400fcd2be420649ce08936417dd83)
+- [api test doc] Improve HTTPS support. Update minor documentation. Change tests accordingly. [`bf68dc3`](https://github.com/http-party/node-http-proxy/commit/bf68dc30a5c508bc8f533f52c083206b87963811)
+- [api] Update WebSocket support to use http.Agent APIs [`b0b0183`](https://github.com/http-party/node-http-proxy/commit/b0b0183c2b54fa63bd2a6f9c92475c7f56d811a3)
+- [api] Update `.proxyRequest()` and `.proxyWebSocketRequest()` APIs to take an options hash instead of a set of arguments. Add HTTPS support. [`cfddd12`](https://github.com/http-party/node-http-proxy/commit/cfddd12e821bd6b07ff2dbf0aa543ddfc3664dca)
+- [doc api] Update README.md and CHANGELOG.md for v0.5.0. Update bin/node-http-proxy to read files specified in `config.https` [`212009d`](https://github.com/http-party/node-http-proxy/commit/212009df6b08de3c0c97a4e9ec43f60f6bf49ea6)
+- [test] Add WebSocket tests [`4d18ac1`](https://github.com/http-party/node-http-proxy/commit/4d18ac1ae611f84e5e0cc599234124d183d81ffd)
+- [doc] Regenerate docco docs [`c485c87`](https://github.com/http-party/node-http-proxy/commit/c485c8742c86b504823020d2cf6c1342a1bcce48)
+- [doc test] Small updates to README.md. Update to try require socket.io [`12064d8`](https://github.com/http-party/node-http-proxy/commit/12064d8e5debf674cd5d367e563b699f10a4325e)
+- [api] Remove winston logging in favor of custom events [`a89b397`](https://github.com/http-party/node-http-proxy/commit/a89b3976b25516db9b601c0327948f3d90fab006)
+- [doc] Update README.md [`bd6a262`](https://github.com/http-party/node-http-proxy/commit/bd6a2622ad67b8c7ec15868037a48048207ce0df)
+- [dist] Version bump. v0.5.0 [`ddf31b2`](https://github.com/http-party/node-http-proxy/commit/ddf31b22ec71ef9dacca9c178ee26b6314d9fdf4)
+- [api] Update `request` event to be consistent by emitting both `req` and `res`. Add `x-forwarded-for` header. [`a3cb527`](https://github.com/http-party/node-http-proxy/commit/a3cb527be5e42d5192400933bf32a361b8c707c4)
+- [api] Emit `end` event when done proxying [`5681fc1`](https://github.com/http-party/node-http-proxy/commit/5681fc1a28ff06dfa91d9bf5512c688235cafac4)
+- [minor] Small update to README.md [`40c51a7`](https://github.com/http-party/node-http-proxy/commit/40c51a703baaf050b35f60131d3e78b42e7b0858)
+- [dist] Move pgriess' websocket client into vendor/* [`7cbf447`](https://github.com/http-party/node-http-proxy/commit/7cbf44732068dc788d31432553b3bdfcfb39f743)
+
+## [v0.4.2](https://github.com/http-party/node-http-proxy/compare/v0.4.1...v0.4.2) - 2011-04-13
+
+### Commits
+
+- [dist] Version bump. 0.4.2. Remove `eyes` dependency. [`a5d88aa`](https://github.com/http-party/node-http-proxy/commit/a5d88aaacc209bdceaf0799e99ff82bdce1bdc10)
+
+## [v0.4.1](https://github.com/http-party/node-http-proxy/compare/v0.4.0...v0.4.1) - 2011-03-20
+
+### Commits
+
+- [dist] Version bump. 0.4.1. Fix package.json [`0d1a3fe`](https://github.com/http-party/node-http-proxy/commit/0d1a3fe99511dda1ac949536a9eb4a045db39979)
+
+## [v0.4.0](https://github.com/http-party/node-http-proxy/compare/v0.3.1...v0.4.0) - 2011-03-20
+
+### Commits
+
+- [api] Further work on refactor for node 0.4.0 [`e39a9f9`](https://github.com/http-party/node-http-proxy/commit/e39a9f93d2f9ab6ea769fad5e9dda25d022d8a1a)
+- [doc] Added docco generated literate coding documentation [`3bc7d16`](https://github.com/http-party/node-http-proxy/commit/3bc7d16adc48ad1aa1161bb02bd0c27d4fb20639)
+- [doc api test] Wrap things up for v0.4.0 release: Add hostnameOnly routing to ProxyTable, add more documentation, fix edge-cases until they can be further investigated in node.js core [`5715318`](https://github.com/http-party/node-http-proxy/commit/571531820e2233b0d2f7268a1d4db8510fcabf91)
+- [api] First pass at removing pool and working with node v0.4.0 [`9faa924`](https://github.com/http-party/node-http-proxy/commit/9faa924a29544cfd84c28cb1c45489f495e3806a)
+- [doc api test] Rename HttpProxy.pause to HttpProxy.resume. Update documentation and tests accordingly [`4110448`](https://github.com/http-party/node-http-proxy/commit/4110448046dd945afe3e092968d9382d573a369a)
+- [doc] Added more documentation [`973f19f`](https://github.com/http-party/node-http-proxy/commit/973f19fd5a14e3bfad5f67e54710a4076a469fe0)
+- [doc] Regenerate docco docs [`6c42f04`](https://github.com/http-party/node-http-proxy/commit/6c42f045241194061c3786ba5827aebf88070201)
+- [api] Force connection header to be `close` until keep-alive is replemented [`3fd3c96`](https://github.com/http-party/node-http-proxy/commit/3fd3c96fa05fda45c7ef9ff44594644ac54f4a1e)
+- [dist] Version bump. 0.4.0 [`cbb5fbc`](https://github.com/http-party/node-http-proxy/commit/cbb5fbccd0e65c51eba14e75ef44184714cc8971)
+- [api test] All tests are passing when run as individual files [`389159d`](https://github.com/http-party/node-http-proxy/commit/389159da1b91ab60b8de3c379d84e76c703e6b59)
+- [minor doc] Update demo and small fix to node-http-proxy [`d8c5406`](https://github.com/http-party/node-http-proxy/commit/d8c54063dc5961fa619f7c04fa2d225da9aa1439)
+- [fix] Fixed cli parsing issue when --argument=value is not used [`34cba38`](https://github.com/http-party/node-http-proxy/commit/34cba38c297d6dcb845e95b9e1ce0271da1631d2)
+- [test] Small update to proxy-table-test.js [`3588687`](https://github.com/http-party/node-http-proxy/commit/3588687874eb691fe59407a207d38efa418211d0)
+- [minor] Expose version on module [`1dd9b3b`](https://github.com/http-party/node-http-proxy/commit/1dd9b3b15088a3c4595faae64822969014a61d52)
+- [doc] Update to v0.3.1 in README.md [`8ef2e1f`](https://github.com/http-party/node-http-proxy/commit/8ef2e1fe33e0fca2b80c0d6474dba994e625f094)
+- [dist] Change package.json for npm version bump [`0e7f362`](https://github.com/http-party/node-http-proxy/commit/0e7f3626718ecf108f3cafa814b0f4ffb3e6faa2)
+
+## [v0.3.1](https://github.com/http-party/node-http-proxy/compare/v0.3.0...v0.3.1) - 2010-11-22
+
+### Commits
+
+- [api test doc] Updated tests. Added ProxyTable functionality [`bedc7a3`](https://github.com/http-party/node-http-proxy/commit/bedc7a3ae57d5ec07b372a550fa69772f9fbc19e)
+- [test] Simplified tests. Added tests for experimental websocket support [`8c3e993`](https://github.com/http-party/node-http-proxy/commit/8c3e993833e2a09376fdb5e7c847ff00b53e70d8)
+- [test doc api] Added forward proxy functionality with tests [`c06f4bf`](https://github.com/http-party/node-http-proxy/commit/c06f4bf7fe50f29677dc5a5aad596193fc893018)
+- [dist minor] Removed vendored pool. Changed all references of sys to util [`8251296`](https://github.com/http-party/node-http-proxy/commit/8251296d7f5c472ec523316e905d678042b043d3)
+- WebSocket proxy support, fixed 304 code halting [`7249ef3`](https://github.com/http-party/node-http-proxy/commit/7249ef3ee776c66acc95036dc76a2d08dc3f6350)
+- [api] pseduo-vendor pool until pull request is finalized [`7c2eb5d`](https://github.com/http-party/node-http-proxy/commit/7c2eb5de3531f20ea92c99dd8ab207d26be9dce8)
+- No-server fix [`f84880f`](https://github.com/http-party/node-http-proxy/commit/f84880fcd946e55585d8e901e5bc32933f629837)
+- [api test bin doc] Added bin script and simple logging [`00014d6`](https://github.com/http-party/node-http-proxy/commit/00014d624c052e7404ce96c7e06769440c4eae2a)
+- [debug] Removed pool as a dependency for stress test [`73381cf`](https://github.com/http-party/node-http-proxy/commit/73381cf71ae92b9ed1c2da5986aa7ca31a7cf2e8)
+- 'end' event becomes 'close', added more try-catch handling [`cd78af5`](https://github.com/http-party/node-http-proxy/commit/cd78af5feaa67c5005df921a8d1a61575a58fca2)
+- Added support of automatic websocket tunneling, added test for it [`56003b5`](https://github.com/http-party/node-http-proxy/commit/56003b527625b2d83a191f3172005c87856aa87d)
+- [debug] Better debug messages to try to determine if pool is slowly losing clients to forever busy [`dd1918d`](https://github.com/http-party/node-http-proxy/commit/dd1918dc360dc0f9553c35c82f3f0f93ac3bfb46)
+- [doc dist] Version bump. Added CHANGELOG.md [`de53d5e`](https://github.com/http-party/node-http-proxy/commit/de53d5eb2c3d671be0ad0e736a6435c3bf5f55f4)
+- Moved error handling to response.on('end'), fixed error handling in websocket's part [`7e61f0c`](https://github.com/http-party/node-http-proxy/commit/7e61f0cf5725dedf37b956545639c2d6129855d3)
+- [minor] Pushing hot-fix from Mikeal for vendored pool repo [`60791f3`](https://github.com/http-party/node-http-proxy/commit/60791f361f8a11f9d1bad2c6366bf0ce72b40f66)
+- [api] Integrated commits from donnerjack and worked on pool changes [`3bb458e`](https://github.com/http-party/node-http-proxy/commit/3bb458e115037bc27691705d255b0d2e2504a9f1)
+- [doc] Updated Copyright ... added Fedor [`9128a8c`](https://github.com/http-party/node-http-proxy/commit/9128a8c5a15d0f64a0bae946f3e741ea708bc56f)
+- [minor] Listen to error event on pool so we dont fail out unexpectedly anymore [`711258e`](https://github.com/http-party/node-http-proxy/commit/711258ef469d064cc0dbe0f0320ed1047ed0bd54)
+- adding more debugging messages [`5d54ea5`](https://github.com/http-party/node-http-proxy/commit/5d54ea58c93c26635e0de96871e824baffea34dd)
+- adding some debug messages for live testing [`4069a7e`](https://github.com/http-party/node-http-proxy/commit/4069a7e98c22a48bae7fd57ad5f315d0e5006dfc)
+- [minor] Listen to error events re-emitted by pool into the ClientRequest [`f8bff4c`](https://github.com/http-party/node-http-proxy/commit/f8bff4c618ab2a6b6185ac973cd0e21cea19c23a)
+- [minor] Updated max clients for pool [`32aaf74`](https://github.com/http-party/node-http-proxy/commit/32aaf74e95f8a39d847b352ca984145e7abe89a6)
+- [debug] Trying to repair pool busy client growth [`7b0ea85`](https://github.com/http-party/node-http-proxy/commit/7b0ea85e2ac58d5f711f64b855f746fb2423a276)
+- [debug] Roll back last commit ... connection = close was ineffective [`266e524`](https://github.com/http-party/node-http-proxy/commit/266e5246eacb4877bb6ab557e6e6b9b8434ad612)
+
+## [v0.3.0](https://github.com/http-party/node-http-proxy/compare/v0.2.0...v0.3.0) - 2010-09-10
+
+### Commits
+
+- [api] Revert to old 0.1.x codebase for bug testing and performance comparison [`66afb2a`](https://github.com/http-party/node-http-proxy/commit/66afb2a2a35a479512ce2601c89b82f13596fc9f)
+- [api test dist doc] Updated for 0.3.0 release [`a9084b9`](https://github.com/http-party/node-http-proxy/commit/a9084b923afa66c3004abec4951ff02e031631da)
+- [api] Object creation is cheap for HttpProxy, so lets take advantage [`9f0aeac`](https://github.com/http-party/node-http-proxy/commit/9f0aeacab1a632136f5905a0d03ad04be9f93f51)
+- [doc] Update contributors for 0.3.0 [`6d47d98`](https://github.com/http-party/node-http-proxy/commit/6d47d98f5345b7f335c3b93f8e4a31dd90235dda)
+
+## [v0.2.0](https://github.com/http-party/node-http-proxy/compare/v0.1.5...v0.2.0) - 2010-09-07
+
+### Commits
+
+- [dist] Version bump and update to README + LICENCE. Word to Mikeal for coming thru for 0.2.0 [`69c162d`](https://github.com/http-party/node-http-proxy/commit/69c162dc3da334b2ece0a19be5ea4c8da7e0fe87)
+- [api dist] Merge of branch 0.2.0 [`fd61828`](https://github.com/http-party/node-http-proxy/commit/fd618289338ca2d7595f695c0b8531b40145bbca)
+- [api] Completely refactored node-http-proxy with help from Mikeal [`1221939`](https://github.com/http-party/node-http-proxy/commit/1221939accf00467adb25f8908e991e984043c85)
+- [api minor debug] Remove debug code, set Connection header if not set [`6d08f24`](https://github.com/http-party/node-http-proxy/commit/6d08f24c863e071eb4a0d3ede15656e5e7c27c4b)
+- [debug] Added some debugging to figure out why AB wont complete a test with v0.2.0 [`9715ebd`](https://github.com/http-party/node-http-proxy/commit/9715ebd40bdbbe883eb383676d5b0df24968dd72)
+- [api] Integrated a little more from Mikeal to make our return headers consistent [`eb39018`](https://github.com/http-party/node-http-proxy/commit/eb39018fd0b5751dd90fabce905997e52f2ffecd)
+- [doc] Updated README.md [`f291efb`](https://github.com/http-party/node-http-proxy/commit/f291efbaa4360d6e7ff4004cc11f8df0d737c1d0)
+
+## v0.1.5 - 2010-09-02
+
+### Commits
+
+- [api] More changes for createServer api [`5d94ae2`](https://github.com/http-party/node-http-proxy/commit/5d94ae27bc2d56d1f817b0cf1dfdb01dcc376393)
+- added colors and asciimo [`d490b50`](https://github.com/http-party/node-http-proxy/commit/d490b50ada8c1024cb785335966b71d69fae3407)
+- [api] First commit of http-proxy [`30b68c1`](https://github.com/http-party/node-http-proxy/commit/30b68c153270619119ec36615bb54ee7a2816ecc)
+- updating demo [`c4b7c0d`](https://github.com/http-party/node-http-proxy/commit/c4b7c0d8a0cc5fd7f43257594bd0a71c7bd12a63)
+- initial release v0.1.0, sure to have many updates coming. [`85f7372`](https://github.com/http-party/node-http-proxy/commit/85f73723415ec54539721777e77d5d10de383469)
+- fleshing out demo [`994f748`](https://github.com/http-party/node-http-proxy/commit/994f7481ce07c15afa5ab993b79d920b8220be44)
+- [docs] added benchmarks [`bbed176`](https://github.com/http-party/node-http-proxy/commit/bbed17640f84e56aaea06c6d4eb7d04952957fce)
+- updated paths to use npm [`972c8c0`](https://github.com/http-party/node-http-proxy/commit/972c8c05274c72c7320291389f88b0694ac290ca)
+- added spark demo [`d0ad931`](https://github.com/http-party/node-http-proxy/commit/d0ad93176d8430301a8a42f8c2b817674ce7ba32)
+- [test] Updated tests to include support for latent requests [`095e86a`](https://github.com/http-party/node-http-proxy/commit/095e86aa653c1c8e07cd1403697e0e4b638b8294)
+- started to flesh out simple demo based on tests [`2fb5ffb`](https://github.com/http-party/node-http-proxy/commit/2fb5ffba7765462e95badd0f7243e65395a3fd2e)
+- added createServer but hated it, gonna remove [`b1eb13e`](https://github.com/http-party/node-http-proxy/commit/b1eb13eb70b67ea76f5ab720d566894677a53ca2)
+- [test] Updated node-http-proxy tests [`2f265a2`](https://github.com/http-party/node-http-proxy/commit/2f265a23e4a10971495d0bd7b324b7ba786e5065)
+- [api] Updated request hashes to use a unique identifier [`c887a75`](https://github.com/http-party/node-http-proxy/commit/c887a757623f5a3d7d1e0fafeb00b96731c89872)
+- [api] Updated http-proxy to work with vows [`ead7567`](https://github.com/http-party/node-http-proxy/commit/ead7567db8099264a2001fd876cded84bc4f111f)
+- [dist] Renamed node-proxy to node-http-proxy, updated package.json [`2f49810`](https://github.com/http-party/node-http-proxy/commit/2f49810ef86f49927991f32ae42605f1118b0c25)
+- updating docs, almost there [`6e651f4`](https://github.com/http-party/node-http-proxy/commit/6e651f420f4d1e15dbbf823a8e3b311e9533c805)
+- changed api to better reflect nodes api. updated demos, tests, docs [`bde98f4`](https://github.com/http-party/node-http-proxy/commit/bde98f489234fe22f49468011b7e342cd108603f)
+- updating docs [`341bbd4`](https://github.com/http-party/node-http-proxy/commit/341bbd404f3fd81e65197b3830c3fa9e544bc1e7)
+- fixed npm package, i think. bumped version 0.1.1 [`fca40da`](https://github.com/http-party/node-http-proxy/commit/fca40da694d8df17ed6140265e374c0ceabd1167)
+- updated demo [`b622702`](https://github.com/http-party/node-http-proxy/commit/b62270210e7ad3c54fd6b2c86bde9f9942328a67)
+- added readme [`d6a2f8a`](https://github.com/http-party/node-http-proxy/commit/d6a2f8aa7dae3f6721b9607a702c68b1ad7fc692)
+- [api] Corrected chain of argument passing [`da55777`](https://github.com/http-party/node-http-proxy/commit/da55777a92d100a5ddb7a8267e56ba26bd8c2270)
+- updated demo [`e9511ea`](https://github.com/http-party/node-http-proxy/commit/e9511eafdf9ada6a0ce6defb3c5f2299411633b1)
+- [deploy] Added package.json [`dce80b9`](https://github.com/http-party/node-http-proxy/commit/dce80b9b4546064da1943e0e396e19b41390588a)
+- updated readme [`76d0649`](https://github.com/http-party/node-http-proxy/commit/76d0649abcafd80509af922503c5544e646bcebb)
+- update to docs and package.json [`d15bba4`](https://github.com/http-party/node-http-proxy/commit/d15bba4c1d2cbdaf0af27f3adcaa1db9b534d968)
+- [minor] Removed eyes dependency [`eaeed83`](https://github.com/http-party/node-http-proxy/commit/eaeed8306d6dc6e1b30223cf6d59cda6d5bb76de)
+- merge [`93505a4`](https://github.com/http-party/node-http-proxy/commit/93505a422c688b7f41fdaf304270c893ef4cf09a)
+- fixed additional port / server mismatches for new api [`15c18b6`](https://github.com/http-party/node-http-proxy/commit/15c18b612d6cd5a1f3ae46b5590dda1fc586fb35)
+- [doc] added nodejitsu.com link to ReadMe. http-proxy is used in our front facing load-balancers. look for bugs...try to improve benchmarks.... ^_^ [`6661753`](https://github.com/http-party/node-http-proxy/commit/6661753f07dcf4e5ae684df4d1709f3c238346c9)
+- removed extra self, updated colors requirement, bumped to version 0.1.3 [`9bc5b6f`](https://github.com/http-party/node-http-proxy/commit/9bc5b6f8621fb2a37e84524c3e5b91aab9b45675)
+- fixed pathing issue, bumped version 0.1.3 [`ede6490`](https://github.com/http-party/node-http-proxy/commit/ede649037e08b615a8995179f46bc701550354d6)
+- updated docs [`07d96bb`](https://github.com/http-party/node-http-proxy/commit/07d96bb8887a7880a21a739e0a8f495698e7e79e)
+- updated docs [`1594367`](https://github.com/http-party/node-http-proxy/commit/15943675edef490d9b8732345a750bc5ab1f5d7e)
+- updated readme [`fb8c5ab`](https://github.com/http-party/node-http-proxy/commit/fb8c5abd3c2a722c1c18046dcf2fffea4fa7d050)
+- updated docs [`17b6c69`](https://github.com/http-party/node-http-proxy/commit/17b6c6998544572300fc9d4faa63af1aee4c3d88)
+- updated docs [`c8dd8c4`](https://github.com/http-party/node-http-proxy/commit/c8dd8c4e28e09f25c161980316b259d81d5a4e91)
+- updated package.json again [`ddba155`](https://github.com/http-party/node-http-proxy/commit/ddba155377942259554842f37de98c508130fe11)
+- initial release v0.1.0, sure to have many updates coming. [`6a1baa2`](https://github.com/http-party/node-http-proxy/commit/6a1baa25ccf9fc3a3fc4d1a4764c968993e48cab)
+- bumped to version 0.1.5 [`b195a16`](https://github.com/http-party/node-http-proxy/commit/b195a16406534912161671448a53d6633a1f2458)
+- updated readme [`9aa2216`](https://github.com/http-party/node-http-proxy/commit/9aa22162f139ab2fa6df6b11e2a96336ee1d2612)
+- added spark demo [`d408e39`](https://github.com/http-party/node-http-proxy/commit/d408e39ed6dbd44709d0164a95ad9bc67f76ba13)
+- bumped to version 0.1.4. improved on api [`82b8228`](https://github.com/http-party/node-http-proxy/commit/82b822827d35a54501068f9880111473e19c72f9)
+- initial release v0.1.0, sure to have many updates coming. [`1e04552`](https://github.com/http-party/node-http-proxy/commit/1e04552bd8f39e3dcba36bbf7fb36674e5c0c9ff)
+- updated readme [`0a2eaaa`](https://github.com/http-party/node-http-proxy/commit/0a2eaaa7db690f86aca8c0b952f745e806ad818c)
+- updating docs [`198000f`](https://github.com/http-party/node-http-proxy/commit/198000feefd525125a2031557b3556978a057bde)
+- [api] Added createServer api to node-http-proxy [`2e2b55f`](https://github.com/http-party/node-http-proxy/commit/2e2b55f113eb3bc81c43717c0db5de695fb694c1)
diff --git a/web/public/node_modules/http-proxy/CODE_OF_CONDUCT.md b/web/public/node_modules/http-proxy/CODE_OF_CONDUCT.md
new file mode 100644
index 000000000..29238b798
--- /dev/null
+++ b/web/public/node_modules/http-proxy/CODE_OF_CONDUCT.md
@@ -0,0 +1,74 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at <https://github.com/http-party/node-http-proxy>. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/
diff --git a/web/public/node_modules/http-proxy/LICENSE b/web/public/node_modules/http-proxy/LICENSE
new file mode 100644
index 000000000..84820c000
--- /dev/null
+++ b/web/public/node_modules/http-proxy/LICENSE
@@ -0,0 +1,23 @@
+
+  node-http-proxy
+
+  Copyright (c) 2010-2016 Charlie Robbins, Jarrett Cruger & the Contributors.
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/http-proxy/README.md b/web/public/node_modules/http-proxy/README.md
new file mode 100644
index 000000000..5b2d0b3a2
--- /dev/null
+++ b/web/public/node_modules/http-proxy/README.md
@@ -0,0 +1,568 @@
+<p align="center">
+  <img src="https://raw.github.com/http-party/node-http-proxy/master/doc/logo.png"/>
+</p>
+
+# node-http-proxy [![Build Status](https://travis-ci.org/http-party/node-http-proxy.svg?branch=master)](https://travis-ci.org/http-party/node-http-proxy) [![codecov](https://codecov.io/gh/http-party/node-http-proxy/branch/master/graph/badge.svg)](https://codecov.io/gh/http-party/node-http-proxy)
+
+`node-http-proxy` is an HTTP programmable proxying library that supports
+websockets. It is suitable for implementing components such as reverse
+proxies and load balancers.
+
+### Table of Contents
+  * [Installation](#installation)
+  * [Upgrading from 0.8.x ?](#upgrading-from-08x-)
+  * [Core Concept](#core-concept)
+  * [Use Cases](#use-cases)
+    * [Setup a basic stand-alone proxy server](#setup-a-basic-stand-alone-proxy-server)
+    * [Setup a stand-alone proxy server with custom server logic](#setup-a-stand-alone-proxy-server-with-custom-server-logic)
+    * [Setup a stand-alone proxy server with proxy request header re-writing](#setup-a-stand-alone-proxy-server-with-proxy-request-header-re-writing)
+    * [Modify a response from a proxied server](#modify-a-response-from-a-proxied-server)
+    * [Setup a stand-alone proxy server with latency](#setup-a-stand-alone-proxy-server-with-latency)
+    * [Using HTTPS](#using-https)
+    * [Proxying WebSockets](#proxying-websockets)
+  * [Options](#options)
+  * [Listening for proxy events](#listening-for-proxy-events)
+  * [Shutdown](#shutdown)
+  * [Miscellaneous](#miscellaneous)
+    * [Test](#test)
+    * [ProxyTable API](#proxytable-api)
+    * [Logo](#logo)
+  * [Contributing and Issues](#contributing-and-issues)
+  * [License](#license)
+
+### Installation
+
+`npm install http-proxy --save`
+
+**[Back to top](#table-of-contents)**
+
+### Upgrading from 0.8.x ?
+
+Click [here](UPGRADING.md)
+
+**[Back to top](#table-of-contents)**
+
+### Core Concept
+
+A new proxy is created by calling `createProxyServer` and passing
+an `options` object as argument ([valid properties are available here](lib/http-proxy.js#L26-L42))
+
+```javascript
+var httpProxy = require('http-proxy');
+
+var proxy = httpProxy.createProxyServer(options); // See (†)
+```
+†Unless listen(..) is invoked on the object, this does not create a webserver. See below.
+
+An object will be returned with four methods:
+
+* web `req, res, [options]` (used for proxying regular HTTP(S) requests)
+* ws `req, socket, head, [options]` (used for proxying WS(S) requests)
+* listen `port` (a function that wraps the object in a webserver, for your convenience)
+* close `[callback]` (a function that closes the inner webserver and stops listening on given port)
+
+It is then possible to proxy requests by calling these functions
+
+```javascript
+http.createServer(function(req, res) {
+  proxy.web(req, res, { target: 'http://mytarget.com:8080' });
+});
+```
+
+Errors can be listened on either using the Event Emitter API
+
+```javascript
+proxy.on('error', function(e) {
+  ...
+});
+```
+
+or using the callback API
+
+```javascript
+proxy.web(req, res, { target: 'http://mytarget.com:8080' }, function(e) { ... });
+```
+
+When a request is proxied it follows two different pipelines ([available here](lib/http-proxy/passes))
+which apply transformations to both the `req` and `res` object.
+The first pipeline (incoming) is responsible for the creation and manipulation of the stream that connects your client to the target.
+The second pipeline (outgoing) is responsible for the creation and manipulation of the stream that, from your target, returns data
+to the client.
+
+**[Back to top](#table-of-contents)**
+
+### Use Cases
+
+#### Setup a basic stand-alone proxy server
+
+```js
+var http = require('http'),
+    httpProxy = require('http-proxy');
+//
+// Create your proxy server and set the target in the options.
+//
+httpProxy.createProxyServer({target:'http://localhost:9000'}).listen(8000); // See (†)
+
+//
+// Create your target server
+//
+http.createServer(function (req, res) {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.write('request successfully proxied!' + '\n' + JSON.stringify(req.headers, true, 2));
+  res.end();
+}).listen(9000);
+```
+†Invoking listen(..) triggers the creation of a web server. Otherwise, just the proxy instance is created.
+
+**[Back to top](#table-of-contents)**
+
+#### Setup a stand-alone proxy server with custom server logic
+This example shows how you can proxy a request using your own HTTP server
+and also you can put your own logic to handle the request.
+
+```js
+var http = require('http'),
+    httpProxy = require('http-proxy');
+
+//
+// Create a proxy server with custom application logic
+//
+var proxy = httpProxy.createProxyServer({});
+
+//
+// Create your custom server and just call `proxy.web()` to proxy
+// a web request to the target passed in the options
+// also you can use `proxy.ws()` to proxy a websockets request
+//
+var server = http.createServer(function(req, res) {
+  // You can define here your custom logic to handle the request
+  // and then proxy the request.
+  proxy.web(req, res, { target: 'http://127.0.0.1:5050' });
+});
+
+console.log("listening on port 5050")
+server.listen(5050);
+```
+
+**[Back to top](#table-of-contents)**
+
+#### Setup a stand-alone proxy server with proxy request header re-writing
+This example shows how you can proxy a request using your own HTTP server that
+modifies the outgoing proxy request by adding a special header.
+
+```js
+var http = require('http'),
+    httpProxy = require('http-proxy');
+
+//
+// Create a proxy server with custom application logic
+//
+var proxy = httpProxy.createProxyServer({});
+
+// To modify the proxy connection before data is sent, you can listen
+// for the 'proxyReq' event. When the event is fired, you will receive
+// the following arguments:
+// (http.ClientRequest proxyReq, http.IncomingMessage req,
+//  http.ServerResponse res, Object options). This mechanism is useful when
+// you need to modify the proxy request before the proxy connection
+// is made to the target.
+//
+proxy.on('proxyReq', function(proxyReq, req, res, options) {
+  proxyReq.setHeader('X-Special-Proxy-Header', 'foobar');
+});
+
+var server = http.createServer(function(req, res) {
+  // You can define here your custom logic to handle the request
+  // and then proxy the request.
+  proxy.web(req, res, {
+    target: 'http://127.0.0.1:5050'
+  });
+});
+
+console.log("listening on port 5050")
+server.listen(5050);
+```
+
+**[Back to top](#table-of-contents)**
+
+#### Modify a response from a proxied server
+Sometimes when you have received a HTML/XML document from the server of origin you would like to modify it before forwarding it on.
+
+[Harmon](https://github.com/No9/harmon) allows you to do this in a streaming style so as to keep the pressure on the proxy to a minimum.
+
+**[Back to top](#table-of-contents)**
+
+#### Setup a stand-alone proxy server with latency
+
+```js
+var http = require('http'),
+    httpProxy = require('http-proxy');
+
+//
+// Create a proxy server with latency
+//
+var proxy = httpProxy.createProxyServer();
+
+//
+// Create your server that makes an operation that waits a while
+// and then proxies the request
+//
+http.createServer(function (req, res) {
+  // This simulates an operation that takes 500ms to execute
+  setTimeout(function () {
+    proxy.web(req, res, {
+      target: 'http://localhost:9008'
+    });
+  }, 500);
+}).listen(8008);
+
+//
+// Create your target server
+//
+http.createServer(function (req, res) {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.write('request successfully proxied to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
+  res.end();
+}).listen(9008);
+```
+
+**[Back to top](#table-of-contents)**
+
+#### Using HTTPS
+You can activate the validation of a secure SSL certificate to the target connection (avoid self-signed certs), just set `secure: true` in the options.
+
+##### HTTPS -> HTTP
+
+```js
+//
+// Create the HTTPS proxy server in front of a HTTP server
+//
+httpProxy.createServer({
+  target: {
+    host: 'localhost',
+    port: 9009
+  },
+  ssl: {
+    key: fs.readFileSync('valid-ssl-key.pem', 'utf8'),
+    cert: fs.readFileSync('valid-ssl-cert.pem', 'utf8')
+  }
+}).listen(8009);
+```
+
+##### HTTPS -> HTTPS
+
+```js
+//
+// Create the proxy server listening on port 443
+//
+httpProxy.createServer({
+  ssl: {
+    key: fs.readFileSync('valid-ssl-key.pem', 'utf8'),
+    cert: fs.readFileSync('valid-ssl-cert.pem', 'utf8')
+  },
+  target: 'https://localhost:9010',
+  secure: true // Depends on your needs, could be false.
+}).listen(443);
+```
+
+##### HTTP -> HTTPS (using a PKCS12 client certificate)
+
+```js
+//
+// Create an HTTP proxy server with an HTTPS target
+//
+httpProxy.createProxyServer({
+  target: {
+    protocol: 'https:',
+    host: 'my-domain-name',
+    port: 443,
+    pfx: fs.readFileSync('path/to/certificate.p12'),
+    passphrase: 'password',
+  },
+  changeOrigin: true,
+}).listen(8000);
+```
+
+**[Back to top](#table-of-contents)**
+
+#### Proxying WebSockets
+You can activate the websocket support for the proxy using `ws:true` in the options.
+
+```js
+//
+// Create a proxy server for websockets
+//
+httpProxy.createServer({
+  target: 'ws://localhost:9014',
+  ws: true
+}).listen(8014);
+```
+
+Also you can proxy the websocket requests just calling the `ws(req, socket, head)` method.
+
+```js
+//
+// Setup our server to proxy standard HTTP requests
+//
+var proxy = new httpProxy.createProxyServer({
+  target: {
+    host: 'localhost',
+    port: 9015
+  }
+});
+var proxyServer = http.createServer(function (req, res) {
+  proxy.web(req, res);
+});
+
+//
+// Listen to the `upgrade` event and proxy the
+// WebSocket requests as well.
+//
+proxyServer.on('upgrade', function (req, socket, head) {
+  proxy.ws(req, socket, head);
+});
+
+proxyServer.listen(8015);
+```
+
+**[Back to top](#table-of-contents)**
+
+### Options
+
+`httpProxy.createProxyServer` supports the following options:
+
+*  **target**: url string to be parsed with the url module
+*  **forward**: url string to be parsed with the url module
+*  **agent**: object to be passed to http(s).request (see Node's [https agent](http://nodejs.org/api/https.html#https_class_https_agent) and [http agent](http://nodejs.org/api/http.html#http_class_http_agent) objects)
+*  **ssl**: object to be passed to https.createServer()
+*  **ws**: true/false, if you want to proxy websockets
+*  **xfwd**: true/false, adds x-forward headers
+*  **secure**: true/false, if you want to verify the SSL Certs
+*  **toProxy**: true/false, passes the absolute URL as the `path` (useful for proxying to proxies)
+*  **prependPath**: true/false, Default: true - specify whether you want to prepend the target's path to the proxy path
+*  **ignorePath**: true/false, Default: false - specify whether you want to ignore the proxy path of the incoming request (note: you will have to append / manually if required).
+*  **localAddress**: Local interface string to bind for outgoing connections
+*  **changeOrigin**: true/false, Default: false - changes the origin of the host header to the target URL
+*  **preserveHeaderKeyCase**: true/false, Default: false - specify whether you want to keep letter case of response header key
+*  **auth**: Basic authentication i.e. 'user:password' to compute an Authorization header.
+*  **hostRewrite**: rewrites the location hostname on (201/301/302/307/308) redirects.
+*  **autoRewrite**: rewrites the location host/port on (201/301/302/307/308) redirects based on requested host/port. Default: false.
+*  **protocolRewrite**: rewrites the location protocol on (201/301/302/307/308) redirects to 'http' or 'https'. Default: null.
+*  **cookieDomainRewrite**: rewrites domain of `set-cookie` headers. Possible values:
+   * `false` (default): disable cookie rewriting
+   * String: new domain, for example `cookieDomainRewrite: "new.domain"`. To remove the domain, use `cookieDomainRewrite: ""`.
+   * Object: mapping of domains to new domains, use `"*"` to match all domains.
+     For example keep one domain unchanged, rewrite one domain and remove other domains:
+     ```
+     cookieDomainRewrite: {
+       "unchanged.domain": "unchanged.domain",
+       "old.domain": "new.domain",
+       "*": ""
+     }
+     ```
+*  **cookiePathRewrite**: rewrites path of `set-cookie` headers. Possible values:
+   * `false` (default): disable cookie rewriting
+   * String: new path, for example `cookiePathRewrite: "/newPath/"`. To remove the path, use `cookiePathRewrite: ""`. To set path to root use `cookiePathRewrite: "/"`.
+   * Object: mapping of paths to new paths, use `"*"` to match all paths.
+     For example, to keep one path unchanged, rewrite one path and remove other paths:
+     ```
+     cookiePathRewrite: {
+       "/unchanged.path/": "/unchanged.path/",
+       "/old.path/": "/new.path/",
+       "*": ""
+     }
+     ```
+*  **headers**: object with extra headers to be added to target requests.
+*  **proxyTimeout**: timeout (in millis) for outgoing proxy requests
+*  **timeout**: timeout (in millis) for incoming requests
+*  **followRedirects**: true/false, Default: false - specify whether you want to follow redirects
+*  **selfHandleResponse** true/false, if set to true, none of the webOutgoing passes are called and it's your responsibility to appropriately return the response by listening and acting on the `proxyRes` event
+*  **buffer**: stream of data to send as the request body.  Maybe you have some middleware that consumes the request stream before proxying it on e.g.  If you read the body of a request into a field called 'req.rawbody' you could restream this field in the buffer option:
+
+    ```
+    'use strict';
+
+    const streamify = require('stream-array');
+    const HttpProxy = require('http-proxy');
+    const proxy = new HttpProxy();
+
+    module.exports = (req, res, next) => {
+
+      proxy.web(req, res, {
+        target: 'http://localhost:4003/',
+        buffer: streamify(req.rawBody)
+      }, next);
+
+    };
+    ```
+
+**NOTE:**
+`options.ws` and `options.ssl` are optional.
+`options.target` and `options.forward` cannot both be missing
+
+If you are using the `proxyServer.listen` method, the following options are also applicable:
+
+ *  **ssl**: object to be passed to https.createServer()
+ *  **ws**: true/false, if you want to proxy websockets
+
+
+**[Back to top](#table-of-contents)**
+
+### Listening for proxy events
+
+* `error`: The error event is emitted if the request to the target fail. **We do not do any error handling of messages passed between client and proxy, and messages passed between proxy and target, so it is recommended that you listen on errors and handle them.**
+* `proxyReq`: This event is emitted before the data is sent. It gives you a chance to alter the proxyReq request object. Applies to "web" connections
+* `proxyReqWs`: This event is emitted before the data is sent. It gives you a chance to alter the proxyReq request object. Applies to "websocket" connections
+* `proxyRes`: This event is emitted if the request to the target got a response.
+* `open`: This event is emitted once the proxy websocket was created and piped into the target websocket.
+* `close`: This event is emitted once the proxy websocket was closed.
+* (DEPRECATED) `proxySocket`: Deprecated in favor of `open`.
+
+```js
+var httpProxy = require('http-proxy');
+// Error example
+//
+// Http Proxy Server with bad target
+//
+var proxy = httpProxy.createServer({
+  target:'http://localhost:9005'
+});
+
+proxy.listen(8005);
+
+//
+// Listen for the `error` event on `proxy`.
+proxy.on('error', function (err, req, res) {
+  res.writeHead(500, {
+    'Content-Type': 'text/plain'
+  });
+
+  res.end('Something went wrong. And we are reporting a custom error message.');
+});
+
+//
+// Listen for the `proxyRes` event on `proxy`.
+//
+proxy.on('proxyRes', function (proxyRes, req, res) {
+  console.log('RAW Response from the target', JSON.stringify(proxyRes.headers, true, 2));
+});
+
+//
+// Listen for the `open` event on `proxy`.
+//
+proxy.on('open', function (proxySocket) {
+  // listen for messages coming FROM the target here
+  proxySocket.on('data', hybiParseAndLogMessage);
+});
+
+//
+// Listen for the `close` event on `proxy`.
+//
+proxy.on('close', function (res, socket, head) {
+  // view disconnected websocket connections
+  console.log('Client disconnected');
+});
+```
+
+**[Back to top](#table-of-contents)**
+
+### Shutdown
+
+* When testing or running server within another program it may be necessary to close the proxy.
+* This will stop the proxy from accepting new connections.
+
+```js
+var proxy = new httpProxy.createProxyServer({
+  target: {
+    host: 'localhost',
+    port: 1337
+  }
+});
+
+proxy.close();
+```
+
+**[Back to top](#table-of-contents)**
+
+### Miscellaneous
+
+If you want to handle your own response after receiving the `proxyRes`, you can do
+so with `selfHandleResponse`. As you can see below, if you use this option, you
+are able to intercept and read the `proxyRes` but you must also make sure to
+reply to the `res` itself otherwise the original client will never receive any
+data.
+
+### Modify response
+
+```js
+
+    var option = {
+      target: target,
+      selfHandleResponse : true
+    };
+    proxy.on('proxyRes', function (proxyRes, req, res) {
+        var body = [];
+        proxyRes.on('data', function (chunk) {
+            body.push(chunk);
+        });
+        proxyRes.on('end', function () {
+            body = Buffer.concat(body).toString();
+            console.log("res from proxied server:", body);
+            res.end("my response to cli");
+        });
+    });
+    proxy.web(req, res, option);
+
+
+```
+
+#### ProxyTable API
+
+A proxy table API is available through this add-on [module](https://github.com/donasaur/http-proxy-rules), which lets you define a set of rules to translate matching routes to target routes that the reverse proxy will talk to.
+
+#### Test
+
+```
+$ npm test
+```
+
+#### Logo
+
+Logo created by [Diego Pasquali](http://dribbble.com/diegopq)
+
+**[Back to top](#table-of-contents)**
+
+### Contributing and Issues
+
+* Read carefully our [Code Of Conduct](https://github.com/http-party/node-http-proxy/blob/master/CODE_OF_CONDUCT.md)
+* Search on Google/Github
+* If you can't find anything, open an issue
+* If you feel comfortable about fixing the issue, fork the repo
+* Commit to your local branch (which must be different from `master`)
+* Submit your Pull Request (be sure to include tests and update documentation)
+
+**[Back to top](#table-of-contents)**
+
+### License
+
+>The MIT License (MIT)
+>
+>Copyright (c) 2010 - 2016 Charlie Robbins, Jarrett Cruger & the Contributors.
+>
+>Permission is hereby granted, free of charge, to any person obtaining a copy
+>of this software and associated documentation files (the "Software"), to deal
+>in the Software without restriction, including without limitation the rights
+>to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+>copies of the Software, and to permit persons to whom the Software is
+>furnished to do so, subject to the following conditions:
+>
+>The above copyright notice and this permission notice shall be included in
+>all copies or substantial portions of the Software.
+>
+>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+>IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+>FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+>AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+>LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+>OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+>THE SOFTWARE.
diff --git a/web/public/node_modules/http-proxy/codecov.yml b/web/public/node_modules/http-proxy/codecov.yml
new file mode 100644
index 000000000..cafdd1ced
--- /dev/null
+++ b/web/public/node_modules/http-proxy/codecov.yml
@@ -0,0 +1,10 @@
+coverage:
+  parsers:
+    javascript:
+      enable_partials: yes
+  status:
+    project:
+      default:
+        target: "70%"
+    patch:
+      enabled: false
diff --git a/web/public/node_modules/http-proxy/index.js b/web/public/node_modules/http-proxy/index.js
new file mode 100644
index 000000000..e6fac8584
--- /dev/null
+++ b/web/public/node_modules/http-proxy/index.js
@@ -0,0 +1,13 @@
+/*!
+ * Caron dimonio, con occhi di bragia
+ * loro accennando, tutte le raccoglie;
+ * batte col remo qualunque s’adagia 
+ *
+ * Charon the demon, with the eyes of glede,
+ * Beckoning to them, collects them all together,
+ * Beats with his oar whoever lags behind
+ *          
+ *          Dante - The Divine Comedy (Canto III)
+ */
+
+module.exports = require('./lib/http-proxy');
\ No newline at end of file
diff --git a/web/public/node_modules/http-proxy/lib/http-proxy.js b/web/public/node_modules/http-proxy/lib/http-proxy.js
new file mode 100644
index 000000000..8ea278938
--- /dev/null
+++ b/web/public/node_modules/http-proxy/lib/http-proxy.js
@@ -0,0 +1,66 @@
+ // Use explicit /index.js to help browserify negociation in require '/lib/http-proxy' (!)
+var ProxyServer = require('./http-proxy/index.js').Server;
+
+
+/**
+ * Creates the proxy server.
+ *
+ * Examples:
+ *
+ *    httpProxy.createProxyServer({ .. }, 8000)
+ *    // => '{ web: [Function], ws: [Function] ... }'
+ *
+ * @param {Object} Options Config object passed to the proxy
+ *
+ * @return {Object} Proxy Proxy object with handlers for `ws` and `web` requests
+ *
+ * @api public
+ */
+
+
+function createProxyServer(options) {
+  /*
+   *  `options` is needed and it must have the following layout:
+   *
+   *  {
+   *    target : <url string to be parsed with the url module>
+   *    forward: <url string to be parsed with the url module>
+   *    agent  : <object to be passed to http(s).request>
+   *    ssl    : <object to be passed to https.createServer()>
+   *    ws     : <true/false, if you want to proxy websockets>
+   *    xfwd   : <true/false, adds x-forward headers>
+   *    secure : <true/false, verify SSL certificate>
+   *    toProxy: <true/false, explicitly specify if we are proxying to another proxy>
+   *    prependPath: <true/false, Default: true - specify whether you want to prepend the target's path to the proxy path>
+   *    ignorePath: <true/false, Default: false - specify whether you want to ignore the proxy path of the incoming request>
+   *    localAddress : <Local interface string to bind for outgoing connections>
+   *    changeOrigin: <true/false, Default: false - changes the origin of the host header to the target URL>
+   *    preserveHeaderKeyCase: <true/false, Default: false - specify whether you want to keep letter case of response header key >
+   *    auth   : Basic authentication i.e. 'user:password' to compute an Authorization header.
+   *    hostRewrite: rewrites the location hostname on (201/301/302/307/308) redirects, Default: null.
+   *    autoRewrite: rewrites the location host/port on (201/301/302/307/308) redirects based on requested host/port. Default: false.
+   *    protocolRewrite: rewrites the location protocol on (201/301/302/307/308) redirects to 'http' or 'https'. Default: null.
+   *  }
+   *
+   *  NOTE: `options.ws` and `options.ssl` are optional.
+   *    `options.target and `options.forward` cannot be
+   *    both missing
+   *  }
+   */
+
+  return new ProxyServer(options);
+}
+
+
+ProxyServer.createProxyServer = createProxyServer;
+ProxyServer.createServer      = createProxyServer;
+ProxyServer.createProxy       = createProxyServer;
+
+
+
+
+/**
+ * Export the proxy "Server" as the main export.
+ */
+module.exports = ProxyServer;
+
diff --git a/web/public/node_modules/http-proxy/lib/http-proxy/common.js b/web/public/node_modules/http-proxy/lib/http-proxy/common.js
new file mode 100644
index 000000000..6513e81d8
--- /dev/null
+++ b/web/public/node_modules/http-proxy/lib/http-proxy/common.js
@@ -0,0 +1,248 @@
+var common   = exports,
+    url      = require('url'),
+    extend   = require('util')._extend,
+    required = require('requires-port');
+
+var upgradeHeader = /(^|,)\s*upgrade\s*($|,)/i,
+    isSSL = /^https|wss/;
+
+/**
+ * Simple Regex for testing if protocol is https
+ */
+common.isSSL = isSSL;
+/**
+ * Copies the right headers from `options` and `req` to
+ * `outgoing` which is then used to fire the proxied
+ * request.
+ *
+ * Examples:
+ *
+ *    common.setupOutgoing(outgoing, options, req)
+ *    // => { host: ..., hostname: ...}
+ *
+ * @param {Object} Outgoing Base object to be filled with required properties
+ * @param {Object} Options Config object passed to the proxy
+ * @param {ClientRequest} Req Request Object
+ * @param {String} Forward String to select forward or target
+ * 
+ * @return {Object} Outgoing Object with all required properties set
+ *
+ * @api private
+ */
+
+common.setupOutgoing = function(outgoing, options, req, forward) {
+  outgoing.port = options[forward || 'target'].port ||
+                  (isSSL.test(options[forward || 'target'].protocol) ? 443 : 80);
+
+  ['host', 'hostname', 'socketPath', 'pfx', 'key',
+    'passphrase', 'cert', 'ca', 'ciphers', 'secureProtocol'].forEach(
+    function(e) { outgoing[e] = options[forward || 'target'][e]; }
+  );
+
+  outgoing.method = options.method || req.method;
+  outgoing.headers = extend({}, req.headers);
+
+  if (options.headers){
+    extend(outgoing.headers, options.headers);
+  }
+
+  if (options.auth) {
+    outgoing.auth = options.auth;
+  }
+  
+  if (options.ca) {
+      outgoing.ca = options.ca;
+  }
+
+  if (isSSL.test(options[forward || 'target'].protocol)) {
+    outgoing.rejectUnauthorized = (typeof options.secure === "undefined") ? true : options.secure;
+  }
+
+
+  outgoing.agent = options.agent || false;
+  outgoing.localAddress = options.localAddress;
+
+  //
+  // Remark: If we are false and not upgrading, set the connection: close. This is the right thing to do
+  // as node core doesn't handle this COMPLETELY properly yet.
+  //
+  if (!outgoing.agent) {
+    outgoing.headers = outgoing.headers || {};
+    if (typeof outgoing.headers.connection !== 'string'
+        || !upgradeHeader.test(outgoing.headers.connection)
+       ) { outgoing.headers.connection = 'close'; }
+  }
+
+
+  // the final path is target path + relative path requested by user:
+  var target = options[forward || 'target'];
+  var targetPath = target && options.prependPath !== false
+    ? (target.path || '')
+    : '';
+
+  //
+  // Remark: Can we somehow not use url.parse as a perf optimization?
+  //
+  var outgoingPath = !options.toProxy
+    ? (url.parse(req.url).path || '')
+    : req.url;
+
+  //
+  // Remark: ignorePath will just straight up ignore whatever the request's
+  // path is. This can be labeled as FOOT-GUN material if you do not know what
+  // you are doing and are using conflicting options.
+  //
+  outgoingPath = !options.ignorePath ? outgoingPath : '';
+
+  outgoing.path = common.urlJoin(targetPath, outgoingPath);
+
+  if (options.changeOrigin) {
+    outgoing.headers.host =
+      required(outgoing.port, options[forward || 'target'].protocol) && !hasPort(outgoing.host)
+        ? outgoing.host + ':' + outgoing.port
+        : outgoing.host;
+  }
+  return outgoing;
+};
+
+/**
+ * Set the proper configuration for sockets,
+ * set no delay and set keep alive, also set
+ * the timeout to 0.
+ *
+ * Examples:
+ *
+ *    common.setupSocket(socket)
+ *    // => Socket
+ *
+ * @param {Socket} Socket instance to setup
+ * 
+ * @return {Socket} Return the configured socket.
+ *
+ * @api private
+ */
+
+common.setupSocket = function(socket) {
+  socket.setTimeout(0);
+  socket.setNoDelay(true);
+
+  socket.setKeepAlive(true, 0);
+
+  return socket;
+};
+
+/**
+ * Get the port number from the host. Or guess it based on the connection type.
+ *
+ * @param {Request} req Incoming HTTP request.
+ *
+ * @return {String} The port number.
+ *
+ * @api private
+ */
+common.getPort = function(req) {
+  var res = req.headers.host ? req.headers.host.match(/:(\d+)/) : '';
+
+  return res ?
+    res[1] :
+    common.hasEncryptedConnection(req) ? '443' : '80';
+};
+
+/**
+ * Check if the request has an encrypted connection.
+ *
+ * @param {Request} req Incoming HTTP request.
+ *
+ * @return {Boolean} Whether the connection is encrypted or not.
+ *
+ * @api private
+ */
+common.hasEncryptedConnection = function(req) {
+  return Boolean(req.connection.encrypted || req.connection.pair);
+};
+
+/**
+ * OS-agnostic join (doesn't break on URLs like path.join does on Windows)>
+ *
+ * @return {String} The generated path.
+ *
+ * @api private
+ */
+
+common.urlJoin = function() {
+    //
+    // We do not want to mess with the query string. All we want to touch is the path.
+    //
+  var args = Array.prototype.slice.call(arguments),
+      lastIndex = args.length - 1,
+      last = args[lastIndex],
+      lastSegs = last.split('?'),
+      retSegs;
+
+  args[lastIndex] = lastSegs.shift();
+
+  //
+  // Join all strings, but remove empty strings so we don't get extra slashes from
+  // joining e.g. ['', 'am']
+  //
+  retSegs = [
+    args.filter(Boolean).join('/')
+        .replace(/\/+/g, '/')
+        .replace('http:/', 'http://')
+        .replace('https:/', 'https://')
+  ];
+
+  // Only join the query string if it exists so we don't have trailing a '?'
+  // on every request
+
+  // Handle case where there could be multiple ? in the URL.
+  retSegs.push.apply(retSegs, lastSegs);
+
+  return retSegs.join('?')
+};
+
+/**
+ * Rewrites or removes the domain of a cookie header
+ *
+ * @param {String|Array} Header
+ * @param {Object} Config, mapping of domain to rewritten domain.
+ *                 '*' key to match any domain, null value to remove the domain.
+ *
+ * @api private
+ */
+common.rewriteCookieProperty = function rewriteCookieProperty(header, config, property) {
+  if (Array.isArray(header)) {
+    return header.map(function (headerElement) {
+      return rewriteCookieProperty(headerElement, config, property);
+    });
+  }
+  return header.replace(new RegExp("(;\\s*" + property + "=)([^;]+)", 'i'), function(match, prefix, previousValue) {
+    var newValue;
+    if (previousValue in config) {
+      newValue = config[previousValue];
+    } else if ('*' in config) {
+      newValue = config['*'];
+    } else {
+      //no match, return previous value
+      return match;
+    }
+    if (newValue) {
+      //replace value
+      return prefix + newValue;
+    } else {
+      //remove value
+      return '';
+    }
+  });
+};
+
+/**
+ * Check the host and see if it potentially has a port in it (keep it simple)
+ *
+ * @returns {Boolean} Whether we have one or not
+ *
+ * @api private
+ */
+function hasPort(host) {
+  return !!~host.indexOf(':');
+};
diff --git a/web/public/node_modules/http-proxy/lib/http-proxy/index.js b/web/public/node_modules/http-proxy/lib/http-proxy/index.js
new file mode 100644
index 000000000..977a4b362
--- /dev/null
+++ b/web/public/node_modules/http-proxy/lib/http-proxy/index.js
@@ -0,0 +1,185 @@
+var httpProxy = module.exports,
+    extend    = require('util')._extend,
+    parse_url = require('url').parse,
+    EE3       = require('eventemitter3'),
+    http      = require('http'),
+    https     = require('https'),
+    web       = require('./passes/web-incoming'),
+    ws        = require('./passes/ws-incoming');
+
+httpProxy.Server = ProxyServer;
+
+/**
+ * Returns a function that creates the loader for
+ * either `ws` or `web`'s  passes.
+ *
+ * Examples:
+ *
+ *    httpProxy.createRightProxy('ws')
+ *    // => [Function]
+ *
+ * @param {String} Type Either 'ws' or 'web'
+ * 
+ * @return {Function} Loader Function that when called returns an iterator for the right passes
+ *
+ * @api private
+ */
+
+function createRightProxy(type) {
+
+  return function(options) {
+    return function(req, res /*, [head], [opts] */) {
+      var passes = (type === 'ws') ? this.wsPasses : this.webPasses,
+          args = [].slice.call(arguments),
+          cntr = args.length - 1,
+          head, cbl;
+
+      /* optional args parse begin */
+      if(typeof args[cntr] === 'function') {
+        cbl = args[cntr];
+
+        cntr--;
+      }
+
+      var requestOptions = options;
+      if(
+        !(args[cntr] instanceof Buffer) &&
+        args[cntr] !== res
+      ) {
+        //Copy global options
+        requestOptions = extend({}, options);
+        //Overwrite with request options
+        extend(requestOptions, args[cntr]);
+
+        cntr--;
+      }
+
+      if(args[cntr] instanceof Buffer) {
+        head = args[cntr];
+      }
+
+      /* optional args parse end */
+
+      ['target', 'forward'].forEach(function(e) {
+        if (typeof requestOptions[e] === 'string')
+          requestOptions[e] = parse_url(requestOptions[e]);
+      });
+
+      if (!requestOptions.target && !requestOptions.forward) {
+        return this.emit('error', new Error('Must provide a proper URL as target'));
+      }
+
+      for(var i=0; i < passes.length; i++) {
+        /**
+         * Call of passes functions
+         * pass(req, res, options, head)
+         *
+         * In WebSockets case the `res` variable
+         * refer to the connection socket
+         * pass(req, socket, options, head)
+         */
+        if(passes[i](req, res, requestOptions, head, this, cbl)) { // passes can return a truthy value to halt the loop
+          break;
+        }
+      }
+    };
+  };
+}
+httpProxy.createRightProxy = createRightProxy;
+
+function ProxyServer(options) {
+  EE3.call(this);
+
+  options = options || {};
+  options.prependPath = options.prependPath === false ? false : true;
+
+  this.web = this.proxyRequest           = createRightProxy('web')(options);
+  this.ws  = this.proxyWebsocketRequest  = createRightProxy('ws')(options);
+  this.options = options;
+
+  this.webPasses = Object.keys(web).map(function(pass) {
+    return web[pass];
+  });
+
+  this.wsPasses = Object.keys(ws).map(function(pass) {
+    return ws[pass];
+  });
+
+  this.on('error', this.onError, this);
+
+}
+
+require('util').inherits(ProxyServer, EE3);
+
+ProxyServer.prototype.onError = function (err) {
+  //
+  // Remark: Replicate node core behavior using EE3
+  // so we force people to handle their own errors
+  //
+  if(this.listeners('error').length === 1) {
+    throw err;
+  }
+};
+
+ProxyServer.prototype.listen = function(port, hostname) {
+  var self    = this,
+      closure = function(req, res) { self.web(req, res); };
+
+  this._server  = this.options.ssl ?
+    https.createServer(this.options.ssl, closure) :
+    http.createServer(closure);
+
+  if(this.options.ws) {
+    this._server.on('upgrade', function(req, socket, head) { self.ws(req, socket, head); });
+  }
+
+  this._server.listen(port, hostname);
+
+  return this;
+};
+
+ProxyServer.prototype.close = function(callback) {
+  var self = this;
+  if (this._server) {
+    this._server.close(done);
+  }
+
+  // Wrap callback to nullify server after all open connections are closed.
+  function done() {
+    self._server = null;
+    if (callback) {
+      callback.apply(null, arguments);
+    }
+  };
+};
+
+ProxyServer.prototype.before = function(type, passName, callback) {
+  if (type !== 'ws' && type !== 'web') {
+    throw new Error('type must be `web` or `ws`');
+  }
+  var passes = (type === 'ws') ? this.wsPasses : this.webPasses,
+      i = false;
+
+  passes.forEach(function(v, idx) {
+    if(v.name === passName) i = idx;
+  })
+
+  if(i === false) throw new Error('No such pass');
+
+  passes.splice(i, 0, callback);
+};
+ProxyServer.prototype.after = function(type, passName, callback) {
+  if (type !== 'ws' && type !== 'web') {
+    throw new Error('type must be `web` or `ws`');
+  }
+  var passes = (type === 'ws') ? this.wsPasses : this.webPasses,
+      i = false;
+
+  passes.forEach(function(v, idx) {
+    if(v.name === passName) i = idx;
+  })
+
+  if(i === false) throw new Error('No such pass');
+
+  passes.splice(i++, 0, callback);
+};
diff --git a/web/public/node_modules/http-proxy/lib/http-proxy/passes/web-incoming.js b/web/public/node_modules/http-proxy/lib/http-proxy/passes/web-incoming.js
new file mode 100644
index 000000000..7ae735514
--- /dev/null
+++ b/web/public/node_modules/http-proxy/lib/http-proxy/passes/web-incoming.js
@@ -0,0 +1,194 @@
+var httpNative   = require('http'),
+    httpsNative  = require('https'),
+    web_o  = require('./web-outgoing'),
+    common = require('../common'),
+    followRedirects = require('follow-redirects');
+
+web_o = Object.keys(web_o).map(function(pass) {
+  return web_o[pass];
+});
+
+var nativeAgents = { http: httpNative, https: httpsNative };
+
+/*!
+ * Array of passes.
+ *
+ * A `pass` is just a function that is executed on `req, res, options`
+ * so that you can easily add new checks while still keeping the base
+ * flexible.
+ */
+
+
+module.exports = {
+
+  /**
+   * Sets `content-length` to '0' if request is of DELETE type.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {Object} Options Config object passed to the proxy
+   *
+   * @api private
+   */
+
+  deleteLength: function deleteLength(req, res, options) {
+    if((req.method === 'DELETE' || req.method === 'OPTIONS')
+       && !req.headers['content-length']) {
+      req.headers['content-length'] = '0';
+      delete req.headers['transfer-encoding'];
+    }
+  },
+
+  /**
+   * Sets timeout in request socket if it was specified in options.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {Object} Options Config object passed to the proxy
+   *
+   * @api private
+   */
+
+  timeout: function timeout(req, res, options) {
+    if(options.timeout) {
+      req.socket.setTimeout(options.timeout);
+    }
+  },
+
+  /**
+   * Sets `x-forwarded-*` headers if specified in config.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {Object} Options Config object passed to the proxy
+   *
+   * @api private
+   */
+
+  XHeaders: function XHeaders(req, res, options) {
+    if(!options.xfwd) return;
+
+    var encrypted = req.isSpdy || common.hasEncryptedConnection(req);
+    var values = {
+      for  : req.connection.remoteAddress || req.socket.remoteAddress,
+      port : common.getPort(req),
+      proto: encrypted ? 'https' : 'http'
+    };
+
+    ['for', 'port', 'proto'].forEach(function(header) {
+      req.headers['x-forwarded-' + header] =
+        (req.headers['x-forwarded-' + header] || '') +
+        (req.headers['x-forwarded-' + header] ? ',' : '') +
+        values[header];
+    });
+
+    req.headers['x-forwarded-host'] = req.headers['x-forwarded-host'] || req.headers['host'] || '';
+  },
+
+  /**
+   * Does the actual proxying. If `forward` is enabled fires up
+   * a ForwardStream, same happens for ProxyStream. The request
+   * just dies otherwise.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {Object} Options Config object passed to the proxy
+   *
+   * @api private
+   */
+
+  stream: function stream(req, res, options, _, server, clb) {
+
+    // And we begin!
+    server.emit('start', req, res, options.target || options.forward);
+
+    var agents = options.followRedirects ? followRedirects : nativeAgents;
+    var http = agents.http;
+    var https = agents.https;
+
+    if(options.forward) {
+      // If forward enable, so just pipe the request
+      var forwardReq = (options.forward.protocol === 'https:' ? https : http).request(
+        common.setupOutgoing(options.ssl || {}, options, req, 'forward')
+      );
+
+      // error handler (e.g. ECONNRESET, ECONNREFUSED)
+      // Handle errors on incoming request as well as it makes sense to
+      var forwardError = createErrorHandler(forwardReq, options.forward);
+      req.on('error', forwardError);
+      forwardReq.on('error', forwardError);
+
+      (options.buffer || req).pipe(forwardReq);
+      if(!options.target) { return res.end(); }
+    }
+
+    // Request initalization
+    var proxyReq = (options.target.protocol === 'https:' ? https : http).request(
+      common.setupOutgoing(options.ssl || {}, options, req)
+    );
+
+    // Enable developers to modify the proxyReq before headers are sent
+    proxyReq.on('socket', function(socket) {
+      if(server && !proxyReq.getHeader('expect')) {
+        server.emit('proxyReq', proxyReq, req, res, options);
+      }
+    });
+
+    // allow outgoing socket to timeout so that we could
+    // show an error page at the initial request
+    if(options.proxyTimeout) {
+      proxyReq.setTimeout(options.proxyTimeout, function() {
+         proxyReq.abort();
+      });
+    }
+
+    // Ensure we abort proxy if request is aborted
+    req.on('aborted', function () {
+      proxyReq.abort();
+    });
+
+    // handle errors in proxy and incoming request, just like for forward proxy
+    var proxyError = createErrorHandler(proxyReq, options.target);
+    req.on('error', proxyError);
+    proxyReq.on('error', proxyError);
+
+    function createErrorHandler(proxyReq, url) {
+      return function proxyError(err) {
+        if (req.socket.destroyed && err.code === 'ECONNRESET') {
+          server.emit('econnreset', err, req, res, url);
+          return proxyReq.abort();
+        }
+
+        if (clb) {
+          clb(err, req, res, url);
+        } else {
+          server.emit('error', err, req, res, url);
+        }
+      }
+    }
+
+    (options.buffer || req).pipe(proxyReq);
+
+    proxyReq.on('response', function(proxyRes) {
+      if(server) { server.emit('proxyRes', proxyRes, req, res); }
+
+      if(!res.headersSent && !options.selfHandleResponse) {
+        for(var i=0; i < web_o.length; i++) {
+          if(web_o[i](req, res, proxyRes, options)) { break; }
+        }
+      }
+
+      if (!res.finished) {
+        // Allow us to listen when the proxy has completed
+        proxyRes.on('end', function () {
+          if (server) server.emit('end', req, res, proxyRes);
+        });
+        // We pipe to the response unless its expected to be handled by the user
+        if (!options.selfHandleResponse) proxyRes.pipe(res);
+      } else {
+        if (server) server.emit('end', req, res, proxyRes);
+      }
+    });
+  }
+
+};
diff --git a/web/public/node_modules/http-proxy/lib/http-proxy/passes/web-outgoing.js b/web/public/node_modules/http-proxy/lib/http-proxy/passes/web-outgoing.js
new file mode 100644
index 000000000..46352f6e3
--- /dev/null
+++ b/web/public/node_modules/http-proxy/lib/http-proxy/passes/web-outgoing.js
@@ -0,0 +1,147 @@
+var url    = require('url'),
+    common = require('../common');
+
+
+var redirectRegex = /^201|30(1|2|7|8)$/;
+
+/*!
+ * Array of passes.
+ *
+ * A `pass` is just a function that is executed on `req, res, options`
+ * so that you can easily add new checks while still keeping the base
+ * flexible.
+ */
+
+module.exports = { // <--
+
+  /**
+   * If is a HTTP 1.0 request, remove chunk headers
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {proxyResponse} Res Response object from the proxy request
+   *
+   * @api private
+   */
+  removeChunked: function removeChunked(req, res, proxyRes) {
+    if (req.httpVersion === '1.0') {
+      delete proxyRes.headers['transfer-encoding'];
+    }
+  },
+
+  /**
+   * If is a HTTP 1.0 request, set the correct connection header
+   * or if connection header not present, then use `keep-alive`
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {proxyResponse} Res Response object from the proxy request
+   *
+   * @api private
+   */
+  setConnection: function setConnection(req, res, proxyRes) {
+    if (req.httpVersion === '1.0') {
+      proxyRes.headers.connection = req.headers.connection || 'close';
+    } else if (req.httpVersion !== '2.0' && !proxyRes.headers.connection) {
+      proxyRes.headers.connection = req.headers.connection || 'keep-alive';
+    }
+  },
+
+  setRedirectHostRewrite: function setRedirectHostRewrite(req, res, proxyRes, options) {
+    if ((options.hostRewrite || options.autoRewrite || options.protocolRewrite)
+        && proxyRes.headers['location']
+        && redirectRegex.test(proxyRes.statusCode)) {
+      var target = url.parse(options.target);
+      var u = url.parse(proxyRes.headers['location']);
+
+      // make sure the redirected host matches the target host before rewriting
+      if (target.host != u.host) {
+        return;
+      }
+
+      if (options.hostRewrite) {
+        u.host = options.hostRewrite;
+      } else if (options.autoRewrite) {
+        u.host = req.headers['host'];
+      }
+      if (options.protocolRewrite) {
+        u.protocol = options.protocolRewrite;
+      }
+
+      proxyRes.headers['location'] = u.format();
+    }
+  },
+  /**
+   * Copy headers from proxyResponse to response
+   * set each header in response object.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {proxyResponse} Res Response object from the proxy request
+   * @param {Object} Options options.cookieDomainRewrite: Config to rewrite cookie domain
+   *
+   * @api private
+   */
+  writeHeaders: function writeHeaders(req, res, proxyRes, options) {
+    var rewriteCookieDomainConfig = options.cookieDomainRewrite,
+        rewriteCookiePathConfig = options.cookiePathRewrite,
+        preserveHeaderKeyCase = options.preserveHeaderKeyCase,
+        rawHeaderKeyMap,
+        setHeader = function(key, header) {
+          if (header == undefined) return;
+          if (rewriteCookieDomainConfig && key.toLowerCase() === 'set-cookie') {
+            header = common.rewriteCookieProperty(header, rewriteCookieDomainConfig, 'domain');
+          }
+          if (rewriteCookiePathConfig && key.toLowerCase() === 'set-cookie') {
+            header = common.rewriteCookieProperty(header, rewriteCookiePathConfig, 'path');
+          }
+          res.setHeader(String(key).trim(), header);
+        };
+
+    if (typeof rewriteCookieDomainConfig === 'string') { //also test for ''
+      rewriteCookieDomainConfig = { '*': rewriteCookieDomainConfig };
+    }
+
+    if (typeof rewriteCookiePathConfig === 'string') { //also test for ''
+      rewriteCookiePathConfig = { '*': rewriteCookiePathConfig };
+    }
+
+    // message.rawHeaders is added in: v0.11.6
+    // https://nodejs.org/api/http.html#http_message_rawheaders
+    if (preserveHeaderKeyCase && proxyRes.rawHeaders != undefined) {
+      rawHeaderKeyMap = {};
+      for (var i = 0; i < proxyRes.rawHeaders.length; i += 2) {
+        var key = proxyRes.rawHeaders[i];
+        rawHeaderKeyMap[key.toLowerCase()] = key;
+      }
+    }
+
+    Object.keys(proxyRes.headers).forEach(function(key) {
+      var header = proxyRes.headers[key];
+      if (preserveHeaderKeyCase && rawHeaderKeyMap) {
+        key = rawHeaderKeyMap[key] || key;
+      }
+      setHeader(key, header);
+    });
+  },
+
+  /**
+   * Set the statusCode from the proxyResponse
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {IncomingMessage} Res Response object
+   * @param {proxyResponse} Res Response object from the proxy request
+   *
+   * @api private
+   */
+  writeStatusCode: function writeStatusCode(req, res, proxyRes) {
+    // From Node.js docs: response.writeHead(statusCode[, statusMessage][, headers])
+    if(proxyRes.statusMessage) {
+      res.statusCode = proxyRes.statusCode;
+      res.statusMessage = proxyRes.statusMessage;
+    } else {
+      res.statusCode = proxyRes.statusCode;
+    }
+  }
+
+};
diff --git a/web/public/node_modules/http-proxy/lib/http-proxy/passes/ws-incoming.js b/web/public/node_modules/http-proxy/lib/http-proxy/passes/ws-incoming.js
new file mode 100644
index 000000000..270f23f45
--- /dev/null
+++ b/web/public/node_modules/http-proxy/lib/http-proxy/passes/ws-incoming.js
@@ -0,0 +1,162 @@
+var http   = require('http'),
+    https  = require('https'),
+    common = require('../common');
+
+/*!
+ * Array of passes.
+ *
+ * A `pass` is just a function that is executed on `req, socket, options`
+ * so that you can easily add new checks while still keeping the base
+ * flexible.
+ */
+
+/*
+ * Websockets Passes
+ *
+ */
+
+
+module.exports = {
+  /**
+   * WebSocket requests must have the `GET` method and
+   * the `upgrade:websocket` header
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {Socket} Websocket
+   *
+   * @api private
+   */
+
+  checkMethodAndHeader : function checkMethodAndHeader(req, socket) {
+    if (req.method !== 'GET' || !req.headers.upgrade) {
+      socket.destroy();
+      return true;
+    }
+
+    if (req.headers.upgrade.toLowerCase() !== 'websocket') {
+      socket.destroy();
+      return true;
+    }
+  },
+
+  /**
+   * Sets `x-forwarded-*` headers if specified in config.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {Socket} Websocket
+   * @param {Object} Options Config object passed to the proxy
+   *
+   * @api private
+   */
+
+  XHeaders : function XHeaders(req, socket, options) {
+    if(!options.xfwd) return;
+
+    var values = {
+      for  : req.connection.remoteAddress || req.socket.remoteAddress,
+      port : common.getPort(req),
+      proto: common.hasEncryptedConnection(req) ? 'wss' : 'ws'
+    };
+
+    ['for', 'port', 'proto'].forEach(function(header) {
+      req.headers['x-forwarded-' + header] =
+        (req.headers['x-forwarded-' + header] || '') +
+        (req.headers['x-forwarded-' + header] ? ',' : '') +
+        values[header];
+    });
+  },
+
+  /**
+   * Does the actual proxying. Make the request and upgrade it
+   * send the Switching Protocols request and pipe the sockets.
+   *
+   * @param {ClientRequest} Req Request object
+   * @param {Socket} Websocket
+   * @param {Object} Options Config object passed to the proxy
+   *
+   * @api private
+   */
+  stream : function stream(req, socket, options, head, server, clb) {
+
+    var createHttpHeader = function(line, headers) {
+      return Object.keys(headers).reduce(function (head, key) {
+        var value = headers[key];
+
+        if (!Array.isArray(value)) {
+          head.push(key + ': ' + value);
+          return head;
+        }
+
+        for (var i = 0; i < value.length; i++) {
+          head.push(key + ': ' + value[i]);
+        }
+        return head;
+      }, [line])
+      .join('\r\n') + '\r\n\r\n';
+    }
+
+    common.setupSocket(socket);
+
+    if (head && head.length) socket.unshift(head);
+
+
+    var proxyReq = (common.isSSL.test(options.target.protocol) ? https : http).request(
+      common.setupOutgoing(options.ssl || {}, options, req)
+    );
+
+    // Enable developers to modify the proxyReq before headers are sent
+    if (server) { server.emit('proxyReqWs', proxyReq, req, socket, options, head); }
+
+    // Error Handler
+    proxyReq.on('error', onOutgoingError);
+    proxyReq.on('response', function (res) {
+      // if upgrade event isn't going to happen, close the socket
+      if (!res.upgrade) {
+        socket.write(createHttpHeader('HTTP/' + res.httpVersion + ' ' + res.statusCode + ' ' + res.statusMessage, res.headers));
+        res.pipe(socket);
+      }
+    });
+
+    proxyReq.on('upgrade', function(proxyRes, proxySocket, proxyHead) {
+      proxySocket.on('error', onOutgoingError);
+
+      // Allow us to listen when the websocket has completed
+      proxySocket.on('end', function () {
+        server.emit('close', proxyRes, proxySocket, proxyHead);
+      });
+
+      // The pipe below will end proxySocket if socket closes cleanly, but not
+      // if it errors (eg, vanishes from the net and starts returning
+      // EHOSTUNREACH). We need to do that explicitly.
+      socket.on('error', function () {
+        proxySocket.end();
+      });
+
+      common.setupSocket(proxySocket);
+
+      if (proxyHead && proxyHead.length) proxySocket.unshift(proxyHead);
+
+      //
+      // Remark: Handle writing the headers to the socket when switching protocols
+      // Also handles when a header is an array
+      //
+      socket.write(createHttpHeader('HTTP/1.1 101 Switching Protocols', proxyRes.headers));
+
+      proxySocket.pipe(socket).pipe(proxySocket);
+
+      server.emit('open', proxySocket);
+      server.emit('proxySocket', proxySocket);  //DEPRECATED.
+    });
+
+    return proxyReq.end(); // XXX: CHECK IF THIS IS THIS CORRECT
+
+    function onOutgoingError(err) {
+      if (clb) {
+        clb(err, req, socket);
+      } else {
+        server.emit('error', err, req, socket);
+      }
+      socket.end();
+    }
+  }
+};
diff --git a/web/public/node_modules/http-proxy/package.json b/web/public/node_modules/http-proxy/package.json
new file mode 100644
index 000000000..9fe81a26d
--- /dev/null
+++ b/web/public/node_modules/http-proxy/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "http-proxy",
+  "version": "1.18.1",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/http-party/node-http-proxy.git"
+  },
+  "description": "HTTP proxying for the masses",
+  "author": "Charlie Robbins <charlie.robbins@gmail.com>",
+  "maintainers": [
+    "jcrugzz <jcrugzz@gmail.com>"
+  ],
+  "main": "index.js",
+  "dependencies": {
+    "eventemitter3": "^4.0.0",
+    "requires-port": "^1.0.0",
+    "follow-redirects": "^1.0.0"
+  },
+  "devDependencies": {
+    "async": "^3.0.0",
+    "auto-changelog": "^1.15.0",
+    "concat-stream": "^2.0.0",
+    "expect.js": "~0.3.1",
+    "mocha": "^3.5.3",
+    "nyc": "^14.0.0",
+    "semver": "^5.0.3",
+    "socket.io": "^2.1.0",
+    "socket.io-client": "^2.1.0",
+    "sse": "0.0.8",
+    "ws": "^3.0.0"
+  },
+  "scripts": {
+    "mocha": "mocha test/*-test.js",
+    "test": "nyc --reporter=text --reporter=lcov npm run mocha",
+    "version": "auto-changelog -p && git add CHANGELOG.md"
+  },
+  "engines": {
+    "node": ">=8.0.0"
+  },
+  "license": "MIT"
+}
diff --git a/web/public/node_modules/http-proxy/renovate.json b/web/public/node_modules/http-proxy/renovate.json
new file mode 100644
index 000000000..fc1d2aa3a
--- /dev/null
+++ b/web/public/node_modules/http-proxy/renovate.json
@@ -0,0 +1,19 @@
+{
+  "platform": "github",
+  "autodiscover": false,
+  "requireConfig": true,
+  "ignoreNpmrcFile": true,
+  "rangeStrategy": "replace",
+  "packageRules": [
+    {
+      "packagePatterns": [
+        "*"
+      ],
+      "minor": {
+        "groupName": "all non-major dependencies",
+        "groupSlug": "all-minor-patch"
+      }
+    }
+  ],
+  "commitMessagePrefix": "[dist]"
+}
diff --git a/web/public/node_modules/http-server/LICENSE b/web/public/node_modules/http-server/LICENSE
new file mode 100644
index 000000000..d918093ba
--- /dev/null
+++ b/web/public/node_modules/http-server/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2011-2022 Charlie Robbins, Marak Squires, Jade Michael Thornton and the Contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/http-server/README.md b/web/public/node_modules/http-server/README.md
new file mode 100644
index 000000000..0ffbbc1f0
--- /dev/null
+++ b/web/public/node_modules/http-server/README.md
@@ -0,0 +1,149 @@
+[![GitHub Workflow Status (master)](https://img.shields.io/github/workflow/status/http-party/http-server/Node.js%20CI/master?style=flat-square)](https://github.com/http-party/http-server/actions)
+[![npm](https://img.shields.io/npm/v/http-server.svg?style=flat-square)](https://www.npmjs.com/package/http-server) [![homebrew](https://img.shields.io/homebrew/v/http-server?style=flat-square)](https://formulae.brew.sh/formula/http-server) [![npm downloads](https://img.shields.io/npm/dm/http-server?color=blue&label=npm%20downloads&style=flat-square)](https://www.npmjs.com/package/http-server)
+[![license](https://img.shields.io/github/license/http-party/http-server.svg?style=flat-square)](https://github.com/http-party/http-server)
+
+# http-server: a simple static HTTP server
+
+`http-server` is a simple, zero-configuration command-line static HTTP server.  It is powerful enough for production usage, but it's simple and hackable enough to be used for testing, local development and learning.
+
+![Example of running http-server](https://github.com/http-party/http-server/raw/master/screenshots/public.png)
+
+## Installation:
+
+#### Running on-demand:
+
+Using `npx` you can run the script without installing it first:
+
+    npx http-server [path] [options]
+
+#### Globally via `npm`
+
+    npm install --global http-server
+
+This will install `http-server` globally so that it may be run from the command line anywhere.
+
+#### Globally via Homebrew
+
+    brew install http-server
+     
+#### As a dependency in your `npm` package:
+
+    npm install http-server
+
+## Usage:
+
+     http-server [path] [options]
+
+`[path]` defaults to `./public` if the folder exists, and `./` otherwise.
+
+*Now you can visit http://localhost:8080 to view your server*
+
+**Note:** Caching is on by default. Add `-c-1` as an option to disable caching.
+
+## Available Options:
+
+| Command         | 	Description         | Defaults  |
+| -------------  |-------------|-------------|
+|`-p` or `--port` |Port to use. Use `-p 0` to look for an open port, starting at 8080. It will also read from `process.env.PORT`. |8080 |
+|`-a`   |Address to use |0.0.0.0|
+|`-d`     |Show directory listings |`true` |
+|`-i`   | Display autoIndex | `true` |
+|`-g` or `--gzip` |When enabled it will serve `./public/some-file.js.gz` in place of `./public/some-file.js` when a gzipped version of the file exists and the request accepts gzip encoding. If brotli is also enabled, it will try to serve brotli first.|`false`|
+|`-b` or `--brotli`|When enabled it will serve `./public/some-file.js.br` in place of `./public/some-file.js` when a brotli compressed version of the file exists and the request accepts `br` encoding. If gzip is also enabled, it will try to serve brotli first. |`false`|
+|`-e` or `--ext`  |Default file extension if none supplied |`html` | 
+|`-s` or `--silent` |Suppress log messages from output  | |
+|`--cors` |Enable CORS via the `Access-Control-Allow-Origin` header  | |
+|`-o [path]` |Open browser window after starting the server. Optionally provide a URL path to open. e.g.: -o /other/dir/ | |
+|`-c` |Set cache time (in seconds) for cache-control max-age header, e.g. `-c10` for 10 seconds. To disable caching, use `-c-1`.|`3600` |
+|`-U` or `--utc` |Use UTC time format in log messages.| |
+|`--log-ip` |Enable logging of the client's IP address |`false` |
+|`-P` or `--proxy` |Proxies all requests which can't be resolved locally to the given url. e.g.: -P http://someurl.com | |
+|`--proxy-options` |Pass proxy [options](https://github.com/http-party/node-http-proxy#options) using nested dotted objects. e.g.: --proxy-options.secure false |
+|`--username` |Username for basic authentication | |
+|`--password` |Password for basic authentication | |
+|`-S`, `--tls` or `--ssl` |Enable secure request serving with TLS/SSL (HTTPS)|`false`|
+|`-C` or `--cert` |Path to ssl cert file |`cert.pem` | 
+|`-K` or `--key` |Path to ssl key file |`key.pem` |
+|`-r` or `--robots` | Automatically provide a /robots.txt (The content of which defaults to `User-agent: *\nDisallow: /`)  | `false` |
+|`--no-dotfiles` |Do not show dotfiles| |
+|`--mimetypes` |Path to a .types file for custom mimetype definition| |
+|`-h` or `--help` |Print this list and exit. |   |
+|`-v` or `--version`|Print the version and exit. | |
+
+## Magic Files
+
+- `index.html` will be served as the default file to any directory requests.
+- `404.html` will be served if a file is not found. This can be used for Single-Page App (SPA) hosting to serve the entry page.
+
+## Catch-all redirect
+
+To implement a catch-all redirect, use the index page itself as the proxy with:
+
+```
+http-server --proxy http://localhost:8080?
+```
+
+Note the `?` at the end of the proxy URL. Thanks to [@houston3](https://github.com/houston3) for this clever hack!
+
+## TLS/SSL
+
+First, you need to make sure that [openssl](https://github.com/openssl/openssl) is installed correctly, and you have `key.pem` and `cert.pem` files. You can generate them using this command:
+
+``` sh
+openssl req -newkey rsa:2048 -new -nodes -x509 -days 3650 -keyout key.pem -out cert.pem
+```
+
+You will be prompted with a few questions after entering the command. Use `127.0.0.1` as value for `Common name` if you want to be able to install the certificate in your OS's root certificate store or browser so that it is trusted.
+
+This generates a cert-key pair and it will be valid for 3650 days (about 10 years).
+
+Then you need to run the server with `-S` for enabling SSL and `-C` for your certificate file.
+
+``` sh
+http-server -S -C cert.pem
+```
+
+If you wish to use a passphrase with your private key you can include one in the openssl command via the -passout parameter (using password of foobar)
+
+
+e.g.
+`openssl req -newkey rsa:2048 -passout pass:foobar -keyout key.pem -x509 -days 365 -out cert.pem`
+
+For security reasons, the passphrase will only be read from the `NODE_HTTP_SERVER_SSL_PASSPHRASE` environment variable.
+
+
+This is what should be output if successful:
+
+``` sh
+Starting up http-server, serving ./ through https
+
+http-server settings:
+CORS: disabled
+Cache: 3600 seconds
+Connection Timeout: 120 seconds
+Directory Listings: visible
+AutoIndex: visible
+Serve GZIP Files: false
+Serve Brotli Files: false
+Default File Extension: none
+
+Available on:
+  https://127.0.0.1:8080
+  https://192.168.1.101:8080
+  https://192.168.1.104:8080
+Hit CTRL-C to stop the server
+```
+
+# Development
+
+Checkout this repository locally, then:
+
+```sh
+$ npm i
+$ npm start
+```
+
+*Now you can visit http://localhost:8080 to view your server*
+
+You should see the turtle image in the screenshot above hosted at that URL. See
+the `./public` folder for demo content.
diff --git a/web/public/node_modules/http-server/bin/http-server b/web/public/node_modules/http-server/bin/http-server
new file mode 100644
index 000000000..7c597fa8a
--- /dev/null
+++ b/web/public/node_modules/http-server/bin/http-server
@@ -0,0 +1,278 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var chalk     = require('chalk'),
+    os         = require('os'),
+    httpServer = require('../lib/http-server'),
+    portfinder = require('portfinder'),
+    opener     = require('opener'),
+
+    fs         = require('fs'),
+    url        = require('url');
+var argv = require('minimist')(process.argv.slice(2), {
+  alias: {
+    tls: 'ssl'
+  }
+});
+var ifaces = os.networkInterfaces();
+
+process.title = 'http-server';
+
+if (argv.h || argv.help) {
+  console.log([
+    'usage: http-server [path] [options]',
+    '',
+    'options:',
+    '  -p --port    Port to use. If 0, look for open port. [8080]',
+    '  -a           Address to use [0.0.0.0]',
+    '  -d           Show directory listings [true]',
+    '  -i           Display autoIndex [true]',
+    '  -g --gzip    Serve gzip files when possible [false]',
+    '  -b --brotli  Serve brotli files when possible [false]',
+    '               If both brotli and gzip are enabled, brotli takes precedence',
+    '  -e --ext     Default file extension if none supplied [none]',
+    '  -s --silent  Suppress log messages from output',
+    '  --cors[=headers]   Enable CORS via the "Access-Control-Allow-Origin" header',
+    '                     Optionally provide CORS headers list separated by commas',
+    '  -o [path]    Open browser window after starting the server.',
+    '               Optionally provide a URL path to open the browser window to.',
+    '  -c           Cache time (max-age) in seconds [3600], e.g. -c10 for 10 seconds.',
+    '               To disable caching, use -c-1.',
+    '  -t           Connections timeout in seconds [120], e.g. -t60 for 1 minute.',
+    '               To disable timeout, use -t0',
+    '  -U --utc     Use UTC time format in log messages.',
+    '  --log-ip     Enable logging of the client\'s IP address',
+    '',
+    '  -P --proxy       Fallback proxy if the request cannot be resolved. e.g.: http://someurl.com',
+    '  --proxy-options  Pass options to proxy using nested dotted objects. e.g.: --proxy-options.secure false',
+    '',
+    '  --username   Username for basic authentication [none]',
+    '               Can also be specified with the env variable NODE_HTTP_SERVER_USERNAME',
+    '  --password   Password for basic authentication [none]',
+    '               Can also be specified with the env variable NODE_HTTP_SERVER_PASSWORD',
+    '',
+    '  -S --tls --ssl   Enable secure request serving with TLS/SSL (HTTPS)',
+    '  -C --cert    Path to TLS cert file (default: cert.pem)',
+    '  -K --key     Path to TLS key file (default: key.pem)',
+    '',
+    '  -r --robots        Respond to /robots.txt [User-agent: *\\nDisallow: /]',
+    '  --no-dotfiles      Do not show dotfiles',
+    '  --mimetypes        Path to a .types file for custom mimetype definition',
+    '  -h --help          Print this list and exit.',
+    '  -v --version       Print the version and exit.'
+  ].join('\n'));
+  process.exit();
+}
+
+var port = argv.p || argv.port || parseInt(process.env.PORT, 10),
+    host = argv.a || '0.0.0.0',
+    tls = argv.S || argv.tls,
+    sslPassphrase = process.env.NODE_HTTP_SERVER_SSL_PASSPHRASE,
+    proxy = argv.P || argv.proxy,
+    proxyOptions = argv['proxy-options'],
+    utc = argv.U || argv.utc,
+    version = argv.v || argv.version,
+    logger;
+
+var proxyOptionsBooleanProps = [
+  'ws', 'xfwd', 'secure', 'toProxy', 'prependPath', 'ignorePath', 'changeOrigin',
+  'preserveHeaderKeyCase', 'followRedirects', 'selfHandleResponse'
+];
+
+if (proxyOptions) {
+  Object.keys(proxyOptions).forEach(function (key) {
+    if (proxyOptionsBooleanProps.indexOf(key) > -1) {
+      proxyOptions[key] = proxyOptions[key].toLowerCase() === 'true';
+    }
+  });
+}
+
+if (!argv.s && !argv.silent) {
+  logger = {
+    info: console.log,
+    request: function (req, res, error) {
+      var date = utc ? new Date().toUTCString() : new Date();
+      var ip = argv['log-ip']
+          ? req.headers['x-forwarded-for'] || '' +  req.connection.remoteAddress
+          : '';
+      if (error) {
+        logger.info(
+          '[%s] %s "%s %s" Error (%s): "%s"',
+          date, ip, chalk.red(req.method), chalk.red(req.url),
+          chalk.red(error.status.toString()), chalk.red(error.message)
+        );
+      }
+      else {
+        logger.info(
+          '[%s] %s "%s %s" "%s"',
+          date, ip, chalk.cyan(req.method), chalk.cyan(req.url),
+          req.headers['user-agent']
+        );
+      }
+    }
+  };
+}
+else if (chalk) {
+  logger = {
+    info: function () {},
+    request: function () {}
+  };
+}
+
+if (version) {
+  logger.info('v' + require('../package.json').version);
+  process.exit();
+}
+
+if (!port) {
+  portfinder.basePort = 8080;
+  portfinder.getPort(function (err, port) {
+    if (err) { throw err; }
+    listen(port);
+  });
+}
+else {
+  listen(port);
+}
+
+function listen(port) {
+  var options = {
+    root: argv._[0],
+    cache: argv.c,
+    timeout: argv.t,
+    showDir: argv.d,
+    autoIndex: argv.i,
+    gzip: argv.g || argv.gzip,
+    brotli: argv.b || argv.brotli,
+    robots: argv.r || argv.robots,
+    ext: argv.e || argv.ext,
+    logFn: logger.request,
+    proxy: proxy,
+    proxyOptions: proxyOptions,
+    showDotfiles: argv.dotfiles,
+    mimetypes: argv.mimetypes,
+    username: argv.username || process.env.NODE_HTTP_SERVER_USERNAME,
+    password: argv.password || process.env.NODE_HTTP_SERVER_PASSWORD
+  };
+
+  if (argv.cors) {
+    options.cors = true;
+    if (typeof argv.cors === 'string') {
+      options.corsHeaders = argv.cors;
+    }
+  }
+
+  if (proxy) {
+    try {
+      new url.URL(proxy)
+    }
+    catch (err) {
+      logger.info(chalk.red('Error: Invalid proxy url'));
+      process.exit(1);
+    }
+  }
+
+  if (tls) {
+    options.https = {
+      cert: argv.C || argv.cert || 'cert.pem',
+      key: argv.K || argv.key || 'key.pem',
+      passphrase: sslPassphrase,
+    };
+    try {
+      fs.lstatSync(options.https.cert);
+    }
+    catch (err) {
+      logger.info(chalk.red('Error: Could not find certificate ' + options.https.cert));
+      process.exit(1);
+    }
+    try {
+      fs.lstatSync(options.https.key);
+    }
+    catch (err) {
+      logger.info(chalk.red('Error: Could not find private key ' + options.https.key));
+      process.exit(1);
+    }
+  }
+
+  var server = httpServer.createServer(options);
+  server.listen(port, host, function () {
+    var protocol = tls ? 'https://' : 'http://';
+
+    logger.info([
+      chalk.yellow('Starting up http-server, serving '),
+      chalk.cyan(server.root),
+      tls ? (chalk.yellow(' through') + chalk.cyan(' https')) : ''
+    ].join(''));
+
+    logger.info([chalk.yellow('\nhttp-server version: '), chalk.cyan(require('../package.json').version)].join(''));
+
+    logger.info([
+      chalk.yellow('\nhttp-server settings: '),
+      ([chalk.yellow('CORS: '), argv.cors ? chalk.cyan(argv.cors) : chalk.red('disabled')].join('')),
+      ([chalk.yellow('Cache: '), argv.c ? (argv.c === '-1' ? chalk.red('disabled') : chalk.cyan(argv.c + ' seconds')) : chalk.cyan('3600 seconds')].join('')),
+      ([chalk.yellow('Connection Timeout: '), argv.t === '0' ? chalk.red('disabled') : (argv.t ? chalk.cyan(argv.t + ' seconds') : chalk.cyan('120 seconds'))].join('')),
+      ([chalk.yellow('Directory Listings: '), argv.d ? chalk.red('not visible') : chalk.cyan('visible')].join('')),
+      ([chalk.yellow('AutoIndex: '), argv.i ? chalk.red('not visible') : chalk.cyan('visible')].join('')),
+      ([chalk.yellow('Serve GZIP Files: '), argv.g || argv.gzip ? chalk.cyan('true') : chalk.red('false')].join('')),
+      ([chalk.yellow('Serve Brotli Files: '), argv.b || argv.brotli ? chalk.cyan('true') : chalk.red('false')].join('')),
+      ([chalk.yellow('Default File Extension: '), argv.e ? chalk.cyan(argv.e) : (argv.ext ? chalk.cyan(argv.ext) : chalk.red('none'))].join(''))
+    ].join('\n'));
+
+    logger.info(chalk.yellow('\nAvailable on:'));
+
+    if (argv.a && host !== '0.0.0.0') {
+      logger.info(`  ${protocol}${host}:${chalk.green(port.toString())}`);
+    } else {
+      Object.keys(ifaces).forEach(function (dev) {
+        ifaces[dev].forEach(function (details) {
+          if (details.family === 'IPv4') {
+            logger.info(('  ' + protocol + details.address + ':' + chalk.green(port.toString())));
+          }
+        });
+      });
+    }
+
+    if (typeof proxy === 'string') {
+      if (proxyOptions) {
+        logger.info('Unhandled requests will be served from: ' + proxy + '. Options: ' + JSON.stringify(proxyOptions));
+      }
+      else {
+        logger.info('Unhandled requests will be served from: ' + proxy);
+      }
+    }
+
+    logger.info('Hit CTRL-C to stop the server');
+    if (argv.o) {
+      const openHost = host === '0.0.0.0' ? '127.0.0.1' : host;
+      let openUrl = `${protocol}${openHost}:${port}`;
+      if (typeof argv.o === 'string') {
+        openUrl += argv.o[0] === '/' ? argv.o : '/' + argv.o;
+      }
+      logger.info('Open: ' + openUrl);
+      opener(openUrl);
+    }
+
+    // Spacing before logs
+    if (!argv.s) logger.info();
+  });
+}
+
+if (process.platform === 'win32') {
+  require('readline').createInterface({
+    input: process.stdin,
+    output: process.stdout
+  }).on('SIGINT', function () {
+    process.emit('SIGINT');
+  });
+}
+
+process.on('SIGINT', function () {
+  logger.info(chalk.red('http-server stopped.'));
+  process.exit();
+});
+
+process.on('SIGTERM', function () {
+  logger.info(chalk.red('http-server stopped.'));
+  process.exit();
+});
diff --git a/web/public/node_modules/http-server/doc/http-server.1 b/web/public/node_modules/http-server/doc/http-server.1
new file mode 100644
index 000000000..8e2796e6e
--- /dev/null
+++ b/web/public/node_modules/http-server/doc/http-server.1
@@ -0,0 +1,165 @@
+.TH http-server 1 "April 2020" GNU "http-server man page"
+
+.SH NAME
+http-server \- a simple zero-configuration command-line http server
+
+.SH SYNOPSIS
+.B http-server
+[\fIPATH\fR]
+[\fIOPTIONS\fR]
+
+.SH DESCRIPTION
+\fBhttp-server\fR is a simple, zero-configuration command-line http server. It is powerful enough for production usage, but it's simple and hackable enough to be used for testing, local development, and learning.
+
+.SH OPTIONS
+
+.TP
+.BI [\fIPATH\fR]
+The directory to serve.
+Defaults to ./public if it exists, and ./ otherwise.
+
+.TP
+.BI \-p ", " \-\-port " " \fIPORT\fR
+Port to use. If 0, look for the first available port, starting at 8080.
+Default is 8080.
+
+.TP
+.BI \-a " " \fIADDRESS\fR
+Address to use.
+Default is 0.0.0.0.
+
+.TP
+.BI \-d
+Show directory listings.
+Default is true.
+
+.TP
+.BI \-i
+Display autoIndex.
+Default is true.
+
+.TP
+.BI \-g ", " \-\-gzip
+Serve gzip files when possible.
+Default is false.
+
+.TP
+.BI \-b ", " \-\-brotli
+Serve brotli files when possible.
+If both brotli and gzip are enabled, brotli takes precedence.
+Default is false.
+
+.TP
+.BI \-e ", " \-\-ext " " \fIEXTENSION\fR
+Default file extension is none is provided.
+
+.TP
+.BI \-s ", " \-\-silent
+Suppress log messages from output.
+
+.TP
+.BI \-\-cors " " [\fIHEADERS\fR]
+Enable CORS via the "Access-Control-Allow-Origin" header.
+Optionally provide CORS headers list separated by commas.
+
+.TP
+.BI \-o " " [\fIPATH\fR]
+Open default browser window after starting the server.
+Optionally provide a URL path to open the browser window to.
+
+.TP
+.BI \-c " " \fITIME\fR
+Cache time (max-age) in seconds.
+To disable caching, use \-c \-1.
+Default is 3600.
+
+.TP
+.BI \-U ", " \-\-utc
+Use UTC time format in log messages.
+
+.TP
+.BI \-\-log\-ip
+Enable logging of the client IP address.
+
+.TP
+.BI \-P ", " \-\-proxy
+Fallback proxy if the request cannot be resolved.
+
+.TP
+.BI \-\-proxy\-options
+Pass proxy options using nested dotted objects.
+
+.TP
+.BI \-\-username " " \fIUSERNAME\fR
+Username for basic authentication.
+Can also be specified with the environment variable NODE_HTTP_SERVER_USERNAME.
+Defaults to none.
+
+.TP
+.BI \-\-password " " \fIPASSWORD\fR
+Password for basic authentication.
+Can also be specified with the environment variable NODE_HTTP_SERVER_PASSWORD.
+Defaults to none.
+
+.TP
+.BI \-S ", " \-\-tls ", " \-\-ssl
+Enable https.
+
+.TP
+.BI \-C ", " \-\-cert " " [\fIFILE\fR]
+Path to SSL certificate file.
+If not specified, uses cert.pem.
+
+.TP
+.BI \-K ", " \-\-key " " [\fIFILE\fR]
+Path to SSL key file.
+If not specified, uses key.pem.
+Passphrase will be read from NODE_HTTP_SERVER_SSL_PASSPHRASE (if set)
+
+.TP
+.BI \-r ", " \-\-robots " " [\fIUSER\-AGENT\fR]
+Respond to /robots.txt request.
+If not specified, uses "User-agent: *\\nDisallow: /]"
+
+.TP
+.BI \-\-no\-dotfiles
+Do not show dotfiles.
+
+.TP
+.BI \-h ", " \-\-help
+Print usage and exit.
+
+.TP
+.BI \-v ", " \-\-version
+Print version and exit.
+
+.SH FILES
+.B index.html
+will be served as the default file to any directory requests.
+
+.B 404.html
+will be served if a file is not found. This can be used for SPA hosting to serve the entry page.
+
+.SH COPYING
+Copyright (c) 2011-2022 Charlie Robbins, Marak Squires, and the Contributors.
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+.SH VERSION
+Version 0.12.2
diff --git a/web/public/node_modules/http-server/lib/core/aliases.json b/web/public/node_modules/http-server/lib/core/aliases.json
new file mode 100644
index 000000000..53a22a569
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/aliases.json
@@ -0,0 +1,34 @@
+{
+  "autoIndex": [ "autoIndex", "autoindex" ],
+  "showDir": [ "showDir", "showdir" ],
+  "showDotfiles": ["showDotfiles", "showdotfiles"],
+  "humanReadable": [ "humanReadable", "humanreadable", "human-readable" ],
+  "hidePermissions": ["hidePermissions", "hidepermissions", "hide-permissions"],
+  "si": [ "si", "index" ],
+  "handleError": [ "handleError", "handleerror" ],
+  "cors": [ "cors", "CORS" ],
+  "headers": [ "H", "header", "headers" ],
+  "contentType": [ "contentType", "contenttype", "content-type" ],
+  "mimeType": [
+    "mimetype",
+    "mimetypes",
+    "mimeType",
+    "mimeTypes",
+    "mime-type",
+    "mime-types",
+    "mime-Type",
+    "mime-Types"
+  ],
+  "weakEtags": [ "weakEtags", "weaketags", "weak-etags" ],
+  "weakCompare": [
+    "weakcompare",
+    "weakCompare",
+    "weak-compare",
+    "weak-Compare"
+  ],
+  "handleOptionsMethod": [
+    "handleOptionsMethod",
+    "handleoptionsmethod",
+    "handle-options-method"
+  ]
+}
diff --git a/web/public/node_modules/http-server/lib/core/defaults.json b/web/public/node_modules/http-server/lib/core/defaults.json
new file mode 100644
index 000000000..d919f2920
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/defaults.json
@@ -0,0 +1,18 @@
+{
+  "autoIndex": true,
+  "showDir": true,
+  "showDotfiles": true,
+  "humanReadable": true,
+  "hidePermissions": false,
+  "si": false,
+  "cache": "max-age=3600",
+  "cors": false,
+  "gzip": true,
+  "brotli": false,
+  "defaultExt": ".html",
+  "handleError": true,
+  "contentType": "application/octet-stream",
+  "weakEtags": true,
+  "weakCompare": true,
+  "handleOptionsMethod": false
+}
diff --git a/web/public/node_modules/http-server/lib/core/etag.js b/web/public/node_modules/http-server/lib/core/etag.js
new file mode 100644
index 000000000..d3cddedfc
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/etag.js
@@ -0,0 +1,9 @@
+'use strict';
+
+module.exports = (stat, weakEtag) => {
+  let etag = `"${[stat.ino, stat.size, stat.mtime.toISOString()].join('-')}"`;
+  if (weakEtag) {
+    etag = `W/${etag}`;
+  }
+  return etag;
+};
diff --git a/web/public/node_modules/http-server/lib/core/index.js b/web/public/node_modules/http-server/lib/core/index.js
new file mode 100644
index 000000000..920e55b9c
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/index.js
@@ -0,0 +1,487 @@
+#! /usr/bin/env node
+
+'use strict';
+
+const path = require('path');
+const fs = require('fs');
+const url = require('url');
+const { Readable } = require('stream');
+const buffer = require('buffer');
+const mime = require('mime');
+const urlJoin = require('url-join');
+const showDir = require('./show-dir');
+const version = require('../../package.json').version;
+const status = require('./status-handlers');
+const generateEtag = require('./etag');
+const optsParser = require('./opts');
+const htmlEncodingSniffer = require('html-encoding-sniffer');
+
+let httpServerCore = null;
+
+function decodePathname(pathname) {
+  const pieces = pathname.replace(/\\/g, '/').split('/');
+
+  const normalized = path.normalize(pieces.map((rawPiece) => {
+    const piece = decodeURIComponent(rawPiece);
+
+    if (process.platform === 'win32' && /\\/.test(piece)) {
+      throw new Error('Invalid forward slash character');
+    }
+
+    return piece;
+  }).join('/'));
+  return process.platform === 'win32'
+    ? normalized.replace(/\\/g, '/') : normalized;
+}
+
+const nonUrlSafeCharsRgx = /[\x00-\x1F\x20\x7F-\uFFFF]+/g;
+function ensureUriEncoded(text) {
+  return text
+  return String(text).replace(nonUrlSafeCharsRgx, encodeURIComponent);
+}
+
+// Check to see if we should try to compress a file with gzip.
+function shouldCompressGzip(req) {
+  const headers = req.headers;
+
+  return headers && headers['accept-encoding'] &&
+    headers['accept-encoding']
+    .split(',')
+    .some(el => ['*', 'compress', 'gzip', 'deflate'].indexOf(el.trim()) !== -1)
+  ;
+}
+
+function shouldCompressBrotli(req) {
+  const headers = req.headers;
+
+  return headers && headers['accept-encoding'] &&
+    headers['accept-encoding']
+    .split(',')
+    .some(el => ['*', 'br'].indexOf(el.trim()) !== -1)
+  ;
+}
+
+function hasGzipId12(gzipped, cb) {
+  const stream = fs.createReadStream(gzipped, { start: 0, end: 1 });
+  let buffer = Buffer.from('');
+  let hasBeenCalled = false;
+
+  stream.on('data', (chunk) => {
+    buffer = Buffer.concat([buffer, chunk], 2);
+  });
+
+  stream.on('error', (err) => {
+    if (hasBeenCalled) {
+      throw err;
+    }
+
+    hasBeenCalled = true;
+    cb(err);
+  });
+
+  stream.on('close', () => {
+    if (hasBeenCalled) {
+      return;
+    }
+
+    hasBeenCalled = true;
+    cb(null, buffer[0] === 31 && buffer[1] === 139);
+  });
+}
+
+
+module.exports = function createMiddleware(_dir, _options) {
+  let dir;
+  let options;
+  if (typeof _dir === 'string') {
+    dir = _dir;
+    options = _options;
+  } else {
+    options = _dir;
+    dir = options.root;
+  }
+
+  const root = path.join(path.resolve(dir), '/');
+  const opts = optsParser(options);
+  const cache = opts.cache;
+  const autoIndex = opts.autoIndex;
+  const baseDir = opts.baseDir;
+  let defaultExt = opts.defaultExt;
+  const handleError = opts.handleError;
+  const headers = opts.headers;
+  const weakEtags = opts.weakEtags;
+  const handleOptionsMethod = opts.handleOptionsMethod;
+
+  opts.root = dir;
+  if (defaultExt && /^\./.test(defaultExt)) {
+    defaultExt = defaultExt.replace(/^\./, '');
+  }
+
+  // Support hashes and .types files in mimeTypes @since 0.8
+  if (opts.mimeTypes) {
+    try {
+      // You can pass a JSON blob here---useful for CLI use
+      opts.mimeTypes = JSON.parse(opts.mimeTypes);
+    } catch (e) {
+      // swallow parse errors, treat this as a string mimetype input
+    }
+    if (typeof opts.mimeTypes === 'string') {
+      mime.load(opts.mimeTypes);
+    } else if (typeof opts.mimeTypes === 'object') {
+      mime.define(opts.mimeTypes);
+    }
+  }
+
+  function shouldReturn304(req, serverLastModified, serverEtag) {
+    if (!req || !req.headers) {
+      return false;
+    }
+
+    const clientModifiedSince = req.headers['if-modified-since'];
+    const clientEtag = req.headers['if-none-match'];
+    let clientModifiedDate;
+
+    if (!clientModifiedSince && !clientEtag) {
+      // Client did not provide any conditional caching headers
+      return false;
+    }
+
+    if (clientModifiedSince) {
+      // Catch "illegal access" dates that will crash v8
+      try {
+        clientModifiedDate = new Date(Date.parse(clientModifiedSince));
+      } catch (err) {
+        return false;
+      }
+
+      if (clientModifiedDate.toString() === 'Invalid Date') {
+        return false;
+      }
+      // If the client's copy is older than the server's, don't return 304
+      if (clientModifiedDate < new Date(serverLastModified)) {
+        return false;
+      }
+    }
+
+    if (clientEtag) {
+      // Do a strong or weak etag comparison based on setting
+      // https://www.ietf.org/rfc/rfc2616.txt Section 13.3.3
+      if (opts.weakCompare && clientEtag !== serverEtag
+          && clientEtag !== `W/${serverEtag}` && `W/${clientEtag}` !== serverEtag) {
+        return false;
+      }
+      if (!opts.weakCompare && (clientEtag !== serverEtag || clientEtag.indexOf('W/') === 0)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  return function middleware(req, res, next) {
+    // Figure out the path for the file from the given url
+    const parsed = url.parse(req.url);
+    let pathname = null;
+    let file = null;
+    let gzippedFile = null;
+    let brotliFile = null;
+
+    try {
+      decodeURIComponent(req.url); // check validity of url
+      pathname = decodePathname(parsed.pathname);
+    } catch (err) {
+      status[400](res, next, { error: err });
+      return;
+    }
+
+    file = path.normalize(
+      path.join(
+        root,
+        path.relative(path.join('/', baseDir), pathname)
+      )
+    );
+    // determine compressed forms if they were to exist
+    gzippedFile = `${file}.gz`;
+    brotliFile = `${file}.br`;
+
+    Object.keys(headers).forEach((key) => {
+      res.setHeader(key, headers[key]);
+    });
+
+    if (req.method === 'OPTIONS' && handleOptionsMethod) {
+      res.end();
+      return;
+    }
+
+    // TODO: This check is broken, which causes the 403 on the
+    // expected 404.
+    if (file.slice(0, root.length) !== root) {
+      status[403](res, next);
+      return;
+    }
+
+    if (req.method && (req.method !== 'GET' && req.method !== 'HEAD')) {
+      status[405](res, next);
+      return;
+    }
+
+
+    function serve(stat) {
+      // Do a MIME lookup, fall back to octet-stream and handle gzip
+      // and brotli special case.
+      const defaultType = opts.contentType || 'application/octet-stream';
+      let contentType = mime.lookup(file, defaultType);
+      const range = (req.headers && req.headers.range);
+      const lastModified = (new Date(stat.mtime)).toUTCString();
+      const etag = generateEtag(stat, weakEtags);
+      let cacheControl = cache;
+      let stream = null;
+      if (contentType && isTextFile(contentType)) {
+        if (stat.size < buffer.constants.MAX_LENGTH) {
+          const bytes = fs.readFileSync(file);
+          const sniffedEncoding = htmlEncodingSniffer(bytes, {
+            defaultEncoding: 'UTF-8'
+          });
+          contentType += `; charset=${sniffedEncoding}`;
+          stream = Readable.from(bytes)
+        } else {
+          // Assume text types are utf8
+          contentType += '; charset=UTF-8';
+        }
+      }
+
+      if (file === gzippedFile) { // is .gz picked up
+        res.setHeader('Content-Encoding', 'gzip');
+        // strip gz ending and lookup mime type
+        contentType = mime.lookup(path.basename(file, '.gz'), defaultType);
+      } else if (file === brotliFile) { // is .br picked up
+        res.setHeader('Content-Encoding', 'br');
+        // strip br ending and lookup mime type
+        contentType = mime.lookup(path.basename(file, '.br'), defaultType);
+      }
+
+      if (typeof cacheControl === 'function') {
+        cacheControl = cache(pathname);
+      }
+      if (typeof cacheControl === 'number') {
+        cacheControl = `max-age=${cacheControl}`;
+      }
+
+      if (range) {
+        const total = stat.size;
+        const parts = range.trim().replace(/bytes=/, '').split('-');
+        const partialstart = parts[0];
+        const partialend = parts[1];
+        const start = parseInt(partialstart, 10);
+        const end = Math.min(
+          total - 1,
+          partialend ? parseInt(partialend, 10) : total - 1
+        );
+        const chunksize = (end - start) + 1;
+        let fstream = null;
+
+        if (start > end || isNaN(start) || isNaN(end)) {
+          status['416'](res, next);
+          return;
+        }
+
+        fstream = fs.createReadStream(file, { start, end });
+        fstream.on('error', (err) => {
+          status['500'](res, next, { error: err });
+        });
+        res.on('close', () => {
+          fstream.destroy();
+        });
+        res.writeHead(206, {
+          'Content-Range': `bytes ${start}-${end}/${total}`,
+          'Accept-Ranges': 'bytes',
+          'Content-Length': chunksize,
+          'Content-Type': contentType,
+          'cache-control': cacheControl,
+          'last-modified': lastModified,
+          etag,
+        });
+        fstream.pipe(res);
+        return;
+      }
+
+      // TODO: Helper for this, with default headers.
+      res.setHeader('cache-control', cacheControl);
+      res.setHeader('last-modified', lastModified);
+      res.setHeader('etag', etag);
+
+      // Return a 304 if necessary
+      if (shouldReturn304(req, lastModified, etag)) {
+        status[304](res, next);
+        return;
+      }
+
+      res.setHeader('content-length', stat.size);
+      res.setHeader('content-type', contentType);
+
+      // set the response statusCode if we have a request statusCode.
+      // This only can happen if we have a 404 with some kind of 404.html
+      // In all other cases where we have a file we serve the 200
+      res.statusCode = req.statusCode || 200;
+
+      if (req.method === 'HEAD') {
+        res.end();
+        return;
+      }
+
+      // stream may already have been assigned during encoding sniffing.
+      if (stream === null) {
+        stream = fs.createReadStream(file);
+      }
+
+      stream.pipe(res);
+      stream.on('error', (err) => {
+        status['500'](res, next, { error: err });
+      });
+      stream.on('close', () => {
+        stream.destroy();
+      })
+    }
+
+
+    function statFile() {
+      try {
+        fs.stat(file, (err, stat) => {
+          if (err && (err.code === 'ENOENT' || err.code === 'ENOTDIR')) {
+            if (req.statusCode === 404) {
+              // This means we're already trying ./404.html and can not find it.
+              // So send plain text response with 404 status code
+              status[404](res, next);
+            } else if (!path.extname(parsed.pathname).length && defaultExt) {
+              // If there is no file extension in the path and we have a default
+              // extension try filename and default extension combination before rendering 404.html.
+              middleware({
+                url: `${parsed.pathname}.${defaultExt}${(parsed.search) ? parsed.search : ''}`,
+                headers: req.headers,
+              }, res, next);
+            } else {
+              // Try to serve default ./404.html
+              const rawUrl = (handleError ? `/${path.join(baseDir, `404.${defaultExt}`)}` : req.url);
+              const encodedUrl = ensureUriEncoded(rawUrl);
+              middleware({
+                url: encodedUrl,
+                headers: req.headers,
+                statusCode: 404,
+              }, res, next);
+            }
+          } else if (err) {
+            status[500](res, next, { error: err });
+          } else if (stat.isDirectory()) {
+            if (!autoIndex && !opts.showDir) {
+              status[404](res, next);
+              return;
+            }
+
+
+            // 302 to / if necessary
+            if (!pathname.match(/\/$/)) {
+              res.statusCode = 302;
+              const q = parsed.query ? `?${parsed.query}` : '';
+              res.setHeader(
+                'location',
+                ensureUriEncoded(`${parsed.pathname}/${q}`)
+              );
+              res.end();
+              return;
+            }
+
+            if (autoIndex) {
+              middleware({
+                url: urlJoin(
+                  encodeURIComponent(pathname),
+                  `/index.${defaultExt}`
+                ),
+                headers: req.headers,
+              }, res, (autoIndexError) => {
+                if (autoIndexError) {
+                  status[500](res, next, { error: autoIndexError });
+                  return;
+                }
+                if (opts.showDir) {
+                  showDir(opts, stat)(req, res);
+                  return;
+                }
+
+                status[403](res, next);
+              });
+              return;
+            }
+
+            if (opts.showDir) {
+              showDir(opts, stat)(req, res);
+            }
+          } else {
+            serve(stat);
+          }
+        });
+      } catch (err) {
+        status[500](res, next, { error: err.message });
+      }
+    }
+
+    function isTextFile(mimeType) {
+      return (/^text\/|^application\/(javascript|json)/).test(mimeType);
+    }
+
+    // serve gzip file if exists and is valid
+    function tryServeWithGzip() {
+      try {
+        fs.stat(gzippedFile, (err, stat) => {
+          if (!err && stat.isFile()) {
+            hasGzipId12(gzippedFile, (gzipErr, isGzip) => {
+              if (!gzipErr && isGzip) {
+                file = gzippedFile;
+                serve(stat);
+              } else {
+                statFile();
+              }
+            });
+          } else {
+            statFile();
+          }
+        });
+      } catch (err) {
+        status[500](res, next, { error: err.message });
+      }
+    }
+
+    // serve brotli file if exists, otherwise try gzip
+    function tryServeWithBrotli(shouldTryGzip) {
+      try {
+        fs.stat(brotliFile, (err, stat) => {
+          if (!err && stat.isFile()) {
+            file = brotliFile;
+            serve(stat);
+          } else if (shouldTryGzip) {
+            tryServeWithGzip();
+          } else {
+            statFile();
+          }
+        });
+      } catch (err) {
+        status[500](res, next, { error: err.message });
+      }
+    }
+
+    const shouldTryBrotli = opts.brotli && shouldCompressBrotli(req);
+    const shouldTryGzip = opts.gzip && shouldCompressGzip(req);
+    // always try brotli first, next try gzip, finally serve without compression
+    if (shouldTryBrotli) {
+      tryServeWithBrotli(shouldTryGzip);
+    } else if (shouldTryGzip) {
+      tryServeWithGzip();
+    } else {
+      statFile();
+    }
+  };
+};
+
+
+httpServerCore = module.exports;
+httpServerCore.version = version;
+httpServerCore.showDir = showDir;
diff --git a/web/public/node_modules/http-server/lib/core/opts.js b/web/public/node_modules/http-server/lib/core/opts.js
new file mode 100644
index 000000000..ec1b2cbc4
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/opts.js
@@ -0,0 +1,203 @@
+'use strict';
+
+// This is so you can have options aliasing and defaults in one place.
+
+const defaults = require('./defaults.json');
+const aliases = require('./aliases.json');
+
+module.exports = (opts) => {
+  let autoIndex = defaults.autoIndex;
+  let showDir = defaults.showDir;
+  let showDotfiles = defaults.showDotfiles;
+  let humanReadable = defaults.humanReadable;
+  let hidePermissions = defaults.hidePermissions;
+  let si = defaults.si;
+  let cache = defaults.cache;
+  let gzip = defaults.gzip;
+  let brotli = defaults.brotli;
+  let defaultExt = defaults.defaultExt;
+  let handleError = defaults.handleError;
+  const headers = {};
+  let contentType = defaults.contentType;
+  let mimeTypes;
+  let weakEtags = defaults.weakEtags;
+  let weakCompare = defaults.weakCompare;
+  let handleOptionsMethod = defaults.handleOptionsMethod;
+
+  function isDeclared(k) {
+    return typeof opts[k] !== 'undefined' && opts[k] !== null;
+  }
+
+  function setHeader(str) {
+    const m = /^(.+?)\s*:\s*(.*)$/.exec(str);
+    if (!m) {
+      headers[str] = true;
+    } else {
+      headers[m[1]] = m[2];
+    }
+  }
+
+
+  if (opts) {
+    aliases.autoIndex.some((k) => {
+      if (isDeclared(k)) {
+        autoIndex = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.showDir.some((k) => {
+      if (isDeclared(k)) {
+        showDir = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.showDotfiles.some((k) => {
+      if (isDeclared(k)) {
+        showDotfiles = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.humanReadable.some((k) => {
+      if (isDeclared(k)) {
+        humanReadable = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.hidePermissions.some((k) => {
+      if (isDeclared(k)) {
+        hidePermissions = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.si.some((k) => {
+      if (isDeclared(k)) {
+        si = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    if (opts.defaultExt && typeof opts.defaultExt === 'string') {
+      defaultExt = opts.defaultExt;
+    }
+
+    if (typeof opts.cache !== 'undefined' && opts.cache !== null) {
+      if (typeof opts.cache === 'string') {
+        cache = opts.cache;
+      } else if (typeof opts.cache === 'number') {
+        cache = `max-age=${opts.cache}`;
+      } else if (typeof opts.cache === 'function') {
+        cache = opts.cache;
+      }
+    }
+
+    if (typeof opts.gzip !== 'undefined' && opts.gzip !== null) {
+      gzip = opts.gzip;
+    }
+
+    if (typeof opts.brotli !== 'undefined' && opts.brotli !== null) {
+      brotli = opts.brotli;
+    }
+
+    aliases.handleError.some((k) => {
+      if (isDeclared(k)) {
+        handleError = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.cors.forEach((k) => {
+      if (isDeclared(k) && opts[k]) {
+        handleOptionsMethod = true;
+        headers['Access-Control-Allow-Origin'] = '*';
+        headers['Access-Control-Allow-Headers'] = 'Authorization, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since';
+      }
+    });
+
+    aliases.headers.forEach((k) => {
+      if (isDeclared(k)) {
+        if (Array.isArray(opts[k])) {
+          opts[k].forEach(setHeader);
+        } else if (opts[k] && typeof opts[k] === 'object') {
+          Object.keys(opts[k]).forEach((key) => {
+            headers[key] = opts[k][key];
+          });
+        } else {
+          setHeader(opts[k]);
+        }
+      }
+    });
+
+    aliases.contentType.some((k) => {
+      if (isDeclared(k)) {
+        contentType = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.mimeType.some((k) => {
+      if (isDeclared(k)) {
+        mimeTypes = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.weakEtags.some((k) => {
+      if (isDeclared(k)) {
+        weakEtags = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.weakCompare.some((k) => {
+      if (isDeclared(k)) {
+        weakCompare = opts[k];
+        return true;
+      }
+      return false;
+    });
+
+    aliases.handleOptionsMethod.some((k) => {
+      if (isDeclared(k)) {
+        handleOptionsMethod = handleOptionsMethod || opts[k];
+        return true;
+      }
+      return false;
+    });
+  }
+
+  return {
+    cache,
+    autoIndex,
+    showDir,
+    showDotfiles,
+    humanReadable,
+    hidePermissions,
+    si,
+    defaultExt,
+    baseDir: (opts && opts.baseDir) || '/',
+    gzip,
+    brotli,
+    handleError,
+    headers,
+    contentType,
+    mimeTypes,
+    weakEtags,
+    weakCompare,
+    handleOptionsMethod,
+  };
+};
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/icons.json b/web/public/node_modules/http-server/lib/core/show-dir/icons.json
new file mode 100644
index 000000000..afac0a087
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/icons.json
@@ -0,0 +1,65 @@
+{
+  "_blank": "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",
+  "_page": "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",
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+  "aiff": "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",
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+  "cpp": "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",
+  "css": "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAk1JREFUeNpsUktvUlEQ/u5DoCLl/RAKKKUvWmIxjYntQtcu3LvwJ/hTXLt16coFC2PsojEaMKZtCqFaTdGmjbS0CG3By+vei3OOBSGXSU7uzNyZ78z3zRF6vR6YvXzzPrMUCyf68bB9zO+VfpROn5hkOdfPPX/2lH/lfiLidztX5mN2jLGG0rKLENIE8liWpdzwP7HvqJqujmvudFU4bFY8Wk1FZsOBtKppd8YCDNu77CZevd3gflfTUFcUhP0ePLibiIR9rjSBpgwAfe4dVcV6dhtep4PH5msylGYLrzeybErcT85FYiH/CyPAf74gObC2vMhzsiRhPhpC6eQUM+EA1pJzILEnjRSuJsju7MJqsUCSRei6Dp3yXqcdGlHZ/rLPazQWGCn8+6YW4pAkEW0SjzUzanWlCa/LgcR0lNfovTEi6lcIkzesnM/R8RlN0INGp3h4DHoDsE5YRvQyiKiRSMzikRAOS2WoqoZWu41K7RwzlOOAVDMMMHhIGvFlRxJFrKYW0ep0IYgC3SDh4b1lTJjNfENsrazOAMAw680mPuW+8lFno1P4XDigRhOiwQAyJK7TbsNS/PaA7giAIAhYz2yRgBIfsVA8wIetPG6FAqhdNrC5u0f+TUyHgyMTDDToEt/ftQsEvW4EPG5OZcrvw0mlimarTXkPfpXPcNlQoGtjACgpryQXsPNtH/nvRXqBJpoKHMzGNkNB0Odls7LNyAYKpUq1dt1iuvB7fRDp9kr9D1xOFwkpoksXusmXaZWFn0coV89r/b6/AgwAkUENaQaRxswAAAAASUVORK5CYII=",
+  "dat": "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",
+  "dmg": "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAn9JREFUeNpsU01rE1EUPe9lkk47yWTStCmtNhFSWxos2EXVhSsRcasuxYV05V8Qf4DgD/AvCK5EV1oFI7iUBqmCNdDvppq2mWSSzEzy3vPOpFFq+uDNfR/3nnvueXeYUgrBWH1/9/NE7k5BKRnuRcfF2qdnmJq9DeF9tQ+2isuMsxXGWHh/a1mEVsPJSI5fSU3OPEj291IIlN49RXz0KqzEQjIeZS/L5Y/3wPGhDxIM/i/A7fZWgVG0t5EaG0ZUa0JGM8gvPrZmLt58QYwv91mfAqCIE0sAqgumBFITGQzpUYhuF0KfRa7waDyXXXolpVrsh/0tgSLDr5I+wUZo1UHCSkAficPzY6juFSmbRPrC/azjq+fkcO00gAqoU7B0ETKkfWbuCTjTYeq5oESAauexcTScX+ZACWFm0YQSLZKhHdr67+/wW0e0dgjYo3sCEXXybYtBDVSHLp2es3IpsILS24c42lkBg6DzRjgRzCDZ/xr0GNRJwwYiWgzt+hYMawleu0V3wbkT+kUirOc7IGJAz68R/Qak1BAlx3hqASPGBJRXpXOv58dkz3eAgQoOm4hyj57NgZm0MHvpBmK6QdUdg/DAg9cRkhicBSDaKJdeo1bdxmR2DtWDDUxl51HZ+QHTysD3XdQO95Gfv06aeGcAdBrY3Chi8lwO3768QWX7J5q1XWyVSxgajiOXLyBG2hzurRKV9lmt7ISNkkjo6HhNyjoK+2gXRsKE57ZIE2ot10Z1fz0Ue4ABVw3NMjnW14rInh8jTYywoTg3EOFpOM4mXNfH9PQUfGlrAwBOs3I8ljbtuMWhRWzIIPrkn+GcYcgIWEowbZ+0qB334/4IMADESjqbnHbH0gAAAABJRU5ErkJggg==",
+  "doc": "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAppJREFUeNpsU79PFEEU/mZ39vZu77g7DokcP04BBSUmiEKCSCxs7Ei00JAYO2NlTKyMrX+CJhaGwopSQ0dMtFEsbDRBgiZEQIF4IHcg+2t2Z8eZ5QDlnM1mZ9+8973vfe8NEUJArfSNhzPG0VIfeIiDRSDkw1cWVt3N8rhG6SdSO2Gvn8dfuueqZwuNZqk3Jxg7iNcIfBbgXD6ZC8u5qffzX8eoYeyDxC77uygKhcouovgVUQj1H4YB2ovNuD9+tTTU0zMVBmG/+C8AIYh8F361DL/yE5HnADKYlVdg6MDAmW7cuz5WGuw+PsWDYGAvbL8ECFUt4K7/AHd/I9c7BLaxinD2Ld5Zo7g78RLuRhlBS2cpWbGfStfhfwCEpK0nUjCbWuGsLciSOELPhkq/YgdY3l6HsLfRcLYf+pHNbH0JigEPkLAyMsiEJ7NrqQzM1i7wyhoMZqOhvQs6Z0ovXgdAJACRoulEg5HOwrOroKk0zOY2BDtVpTF0CU6kLkQJXa+BNEoG0lMSsBBKQXWNQktmoGcaYeSaQCIVWOvUYQAiWZFQtk5mSMoSzEILtBrTfEcviC5bwVwQmoh96wA0ic5dB57ngeoaTIPCdb34zDITYNLOOIeVSsW+dQC+7+NSWx6jJ4tY/rWNV7PfcGv0tBoPTM7M4eKJVgx2FTE9u4QPS6x+kHzfw/mOAjarW2hJG3hy8zIceweuY+PRtREMdzbjzcd5WBqPB6xeRGUMGRzHjWvMmxQ7tiOF1JBN6FiTd6Sy9RuFbHpX7MMMqOD088Ii+op5OUAO7jyeRGfBwrF8Cg8mXuDL4neMXzgFwhwZz+hf7a9d5yu3Z6DTPjVQIY9k7erO7Y63Lvc8ErEeyq6JaM6efjai4v4IMABI0DEPqPKkigAAAABJRU5ErkJggg==",
+  "dotx": "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",
+  "dwg": "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",
+  "dxf": "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAo5JREFUeNpsU0trE1EYPfNMmtdoH2kDNmJbaVFcaBVFpAsREQpFwY0bu3HjQnTj1mVd+ANcuC3qQixmry6E0kWFVIQ+bKy2tbFJm3emyXTujGca+4DkwsedfLnn3POd77uS67rw1vC79ek7fZEzpu3AYUqS9tKQGZPLpa3VXP0uFCmJ/8t9OLC3q/uJbcs5bkIybvdHoMsSbLKENRmvU2WcNnTjRFD7ML1WGSPJHI6sA4KRWMAWVDPxLYex3iCmfpuIh1QsFSyMxQO4GvXHHwOJ6XWSyIck8v6HQsnjAxFc7vTj2VwBg4aG78VdBHQFCk+dbVcxMdwev9gTSEC455sIBOu2KLsoJFzqasP9vjCeDBlYqzn4VXXwarGKZN7Crd5QfLDT/7KpBM84c9fFUFjFp2wdk6smflRsKKqMa7EgfJJ3Ac2OKlit2pEmBTQfngdpnupoU7BUtRGiiTe7fXiRqmK+KuDn6TpvYogmBRJcrOwIJLIWxmM+dOsyLKryQAaJpjJ1/AxrGO3SqdZt7kKZJrzJWBg5piHENuY8vV6e0UOye1TyftvC5l+gZB8SHJTwpSx4q4JeTUKaxhXoR57h7Rn+3iFolJ3xvPhab6HgJG/pJ7jsNP4sUX+jZiCgEsWd/DjH5IrSYpBUAr0yHpzSoXKOP25a6OBhndh0zcX1qIYM2RIbu6i0KiHD5B/GTMHG03kTGpEL7H80wHFOWwhqDZ+SpkBOtCDYJDhZE4gRcKNbYynAqbCMbXpwpVPFbEng0aKJGbYzK1p4wIegLlcEPmdt+DjXbzcsxFlCynRwwVAwW6hjqeg0Zt521SYCWCJvbe0Un29UDx7Hgrs3IEitHXkw3jOv2fl92D8BBgAJeyqBh90ENQAAAABJRU5ErkJggg==",
+  "eps": "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",
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+  "xlsx": "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",
+  "xml": "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",
+  "yml": "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAdxJREFUeNqMUl1rE0EUPbM7m5Y0Zptu21AwWwhYpfSDFh+kvvRd8N0Hf4I/xWdf/Q158F0QoQ+CVsFKaLSQpt/dpmvztTOzzky6cetOpWcZZvbO3MO5514SxzEU3r57/3GpWllM/tP4sL3TarROXuSo/SWJvX71Uu80Cfhlr/T4UdWFAVfdnmsTUtvdP35OUyQKVnJgXDBTcj9icAsTeLax7j/052qM81UjwW1QJXEhMF0qYnN90fdnvdogYmvJPU0/VBApD4hcDrWRcyikfB17srzgW7b9Rh1vEvxDlI4tVytaBSEEtmWh0xsUMwpwnWjqAlcxogiHd1wiQyCu87iI/+sJtf6+NXsgpd7FWCMB50KvkYMGMbLdZgLlfj+K9K4+FnFQ2x7WntIs50AbmiGwLILt+k+EvzvSNIHzdigdJ/AmXQRhiHv5POSwYmG+cqPVo0HqDxj8uTK2vn1Hfa+JmdIkvtZ/4fOPXU3WPDpFeNWVyUKryCiIGMN4zsH98gym3CIcOTwT+XHdXrdQQHAZotE8kBPpSqPNHtBOr48HUmLOcXRJT9dWNMGYJFby91pHOAvaykSaITg+bwefdhrteDRTMSwyrFCgI88E056Hy+4Ah2cXQZL3R4ABALUe7fqXWFN6AAAAAElFTkSuQmCC",
+  "zip": "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"
+}
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/index.js b/web/public/node_modules/http-server/lib/core/show-dir/index.js
new file mode 100644
index 000000000..9a6891cf2
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/index.js
@@ -0,0 +1,173 @@
+'use strict';
+
+const styles = require('./styles');
+const lastModifiedToString = require('./last-modified-to-string');
+const permsToString = require('./perms-to-string');
+const sizeToString = require('./size-to-string');
+const sortFiles = require('./sort-files');
+const fs = require('fs');
+const path = require('path');
+const he = require('he');
+const etag = require('../etag');
+const url = require('url');
+const status = require('../status-handlers');
+
+const supportedIcons = styles.icons;
+const css = styles.css;
+
+module.exports = (opts) => {
+  // opts are parsed by opts.js, defaults already applied
+  const cache = opts.cache;
+  const root = path.resolve(opts.root);
+  const baseDir = opts.baseDir;
+  const humanReadable = opts.humanReadable;
+  const hidePermissions = opts.hidePermissions;
+  const handleError = opts.handleError;
+  const showDotfiles = opts.showDotfiles;
+  const si = opts.si;
+  const weakEtags = opts.weakEtags;
+
+  return function middleware(req, res, next) {
+    // Figure out the path for the file from the given url
+    const parsed = url.parse(req.url);
+    const pathname = decodeURIComponent(parsed.pathname);
+    const dir = path.normalize(
+      path.join(
+        root,
+        path.relative(
+          path.join('/', baseDir),
+          pathname
+        )
+      )
+    );
+
+    fs.stat(dir, (statErr, stat) => {
+      if (statErr) {
+        if (handleError) {
+          status[500](res, next, { error: statErr });
+        } else {
+          next();
+        }
+        return;
+      }
+
+      // files are the listing of dir
+      fs.readdir(dir, (readErr, _files) => {
+        let files = _files;
+
+        if (readErr) {
+          if (handleError) {
+            status[500](res, next, { error: readErr });
+          } else {
+            next();
+          }
+          return;
+        }
+
+        // Optionally exclude dotfiles from directory listing.
+        if (!showDotfiles) {
+          files = files.filter(filename => filename.slice(0, 1) !== '.');
+        }
+
+        res.setHeader('content-type', 'text/html');
+        res.setHeader('etag', etag(stat, weakEtags));
+        res.setHeader('last-modified', (new Date(stat.mtime)).toUTCString());
+        res.setHeader('cache-control', cache);
+
+        function render(dirs, renderFiles, lolwuts) {
+          // each entry in the array is a [name, stat] tuple
+
+          let html = `${[
+            '<!doctype html>',
+            '<html>',
+            '  <head>',
+            '    <meta charset="utf-8">',
+            '    <meta name="viewport" content="width=device-width">',
+            `    <title>Index of ${he.encode(pathname)}</title>`,
+            `    <style type="text/css">${css}</style>`,
+            '  </head>',
+            '  <body>',
+            `<h1>Index of ${he.encode(pathname)}</h1>`,
+          ].join('\n')}\n`;
+
+          html += '<table>';
+
+          const failed = false;
+          const writeRow = (file) => {
+            // render a row given a [name, stat] tuple
+            const isDir = file[1].isDirectory && file[1].isDirectory();
+            let href = `./${encodeURIComponent(file[0])}`;
+
+            // append trailing slash and query for dir entry
+            if (isDir) {
+              href += `/${he.encode((parsed.search) ? parsed.search : '')}`;
+            }
+
+            const displayName = he.encode(file[0]) + ((isDir) ? '/' : '');
+            const ext = file[0].split('.').pop();
+            const classForNonDir = supportedIcons[ext] ? ext : '_page';
+            const iconClass = `icon-${isDir ? '_blank' : classForNonDir}`;
+
+            // TODO: use stylessheets?
+            html += `${'<tr>' +
+              '<td><i class="icon '}${iconClass}"></i></td>`;
+            if (!hidePermissions) {
+              html += `<td class="perms"><code>(${permsToString(file[1])})</code></td>`;
+            }
+            html +=
+              `<td class="last-modified">${lastModifiedToString(file[1])}</td>` +
+              `<td class="file-size"><code>${sizeToString(file[1], humanReadable, si)}</code></td>` +
+              `<td class="display-name"><a href="${href}">${displayName}</a></td>` +
+              '</tr>\n';
+          };
+
+          dirs.sort((a, b) => a[0].toString().localeCompare(b[0].toString())).forEach(writeRow);
+          renderFiles.sort((a, b) => a.toString().localeCompare(b.toString())).forEach(writeRow);
+          lolwuts.sort((a, b) => a[0].toString().localeCompare(b[0].toString())).forEach(writeRow);
+
+          html += '</table>\n';
+          html += `<br><address>Node.js ${
+            process.version
+            }/ <a href="https://github.com/http-party/http-server">http-server</a> ` +
+            `server running @ ${
+            he.encode(req.headers.host || '')}</address>\n` +
+            '</body></html>'
+          ;
+
+          if (!failed) {
+            res.writeHead(200, { 'Content-Type': 'text/html' });
+            res.end(html);
+          }
+        }
+
+        sortFiles(dir, files, (lolwuts, dirs, sortedFiles) => {
+          // It's possible to get stat errors for all sorts of reasons here.
+          // Unfortunately, our two choices are to either bail completely,
+          // or just truck along as though everything's cool. In this case,
+          // I decided to just tack them on as "??!?" items along with dirs
+          // and files.
+          //
+          // Whatever.
+
+          // if it makes sense to, add a .. link
+          if (path.resolve(dir, '..').slice(0, root.length) === root) {
+            fs.stat(path.join(dir, '..'), (err, s) => {
+              if (err) {
+                if (handleError) {
+                  status[500](res, next, { error: err });
+                } else {
+                  next();
+                }
+                return;
+              }
+              dirs.unshift(['..', s]);
+              render(dirs, sortedFiles, lolwuts);
+            });
+          } else {
+            render(dirs, sortedFiles, lolwuts);
+          }
+        });
+      });
+    });
+  };
+};
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/last-modified-to-string.js b/web/public/node_modules/http-server/lib/core/show-dir/last-modified-to-string.js
new file mode 100644
index 000000000..917d38010
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/last-modified-to-string.js
@@ -0,0 +1,10 @@
+'use strict';
+
+module.exports = function lastModifiedToString(stat) {
+  const t = new Date(stat.mtime);
+  return (('0' + (t.getDate())).slice(-2) + '-' +
+          t.toLocaleString('default', { month: 'short' }) + '-' +
+          t.getFullYear() + ' ' +
+          ('0' + t.getHours()).slice(-2) + ':' +
+          ('0' + t.getMinutes()).slice(-2));
+};
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/perms-to-string.js b/web/public/node_modules/http-server/lib/core/show-dir/perms-to-string.js
new file mode 100644
index 000000000..9e65821d7
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/perms-to-string.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = function permsToString(stat) {
+  if (!stat.isDirectory || !stat.mode) {
+    return '???!!!???';
+  }
+
+  const dir = stat.isDirectory() ? 'd' : '-';
+  const mode = stat.mode.toString(8);
+
+  return dir + mode.slice(-3).split('').map(n => [
+    '---',
+    '--x',
+    '-w-',
+    '-wx',
+    'r--',
+    'r-x',
+    'rw-',
+    'rwx',
+  ][parseInt(n, 10)]).join('');
+};
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/size-to-string.js b/web/public/node_modules/http-server/lib/core/show-dir/size-to-string.js
new file mode 100644
index 000000000..a5fbec995
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/size-to-string.js
@@ -0,0 +1,30 @@
+'use strict';
+
+// given a file's stat, return the size of it in string
+// humanReadable: (boolean) whether to result is human readable
+// si: (boolean) whether to use si (1k = 1000), otherwise 1k = 1024
+// adopted from http://stackoverflow.com/a/14919494/665507
+module.exports = function sizeToString(stat, humanReadable, si) {
+  if (stat.isDirectory && stat.isDirectory()) {
+    return '';
+  }
+
+  let bytes = stat.size;
+  const threshold = si ? 1000 : 1024;
+
+  if (!humanReadable || bytes < threshold) {
+    return `${bytes}B`;
+  }
+
+  const units = ['k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
+  let u = -1;
+  do {
+    bytes /= threshold;
+    u += 1;
+  } while (bytes >= threshold);
+
+  let b = bytes.toFixed(1);
+  if (isNaN(b)) b = '??';
+
+  return b + units[u];
+};
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/sort-files.js b/web/public/node_modules/http-server/lib/core/show-dir/sort-files.js
new file mode 100644
index 000000000..67be77618
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/sort-files.js
@@ -0,0 +1,36 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+module.exports = function sortByIsDirectory(dir, paths, cb) {
+  // take the listing file names in `dir`
+  // returns directory and file array, each entry is
+  // of the array a [name, stat] tuple
+  let pending = paths.length;
+  const errs = [];
+  const dirs = [];
+  const files = [];
+
+  if (!pending) {
+    cb(errs, dirs, files);
+    return;
+  }
+
+  paths.forEach((file) => {
+    fs.stat(path.join(dir, file), (err, s) => {
+      if (err) {
+        errs.push([file, err]);
+      } else if (s.isDirectory()) {
+        dirs.push([file, s]);
+      } else {
+        files.push([file, s]);
+      }
+
+      pending -= 1;
+      if (pending === 0) {
+        cb(errs, dirs, files);
+      }
+    });
+  });
+};
diff --git a/web/public/node_modules/http-server/lib/core/show-dir/styles.js b/web/public/node_modules/http-server/lib/core/show-dir/styles.js
new file mode 100644
index 000000000..85f6259a5
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/show-dir/styles.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const icons = require('./icons.json');
+
+const IMG_SIZE = 16;
+
+let css = `i.icon { display: block; height: ${IMG_SIZE}px; width: ${IMG_SIZE}px; }\n`;
+css += 'table tr { white-space: nowrap; }\n';
+css += 'td.perms {}\n';
+css += 'td.file-size { text-align: right; padding-left: 1em; }\n';
+css += 'td.display-name { padding-left: 1em; }\n';
+
+Object.keys(icons).forEach((key) => {
+  css += `i.icon-${key} {\n`;
+  css += `  background-image: url("data:image/png;base64,${icons[key]}");\n`;
+  css += '}\n\n';
+});
+
+exports.icons = icons;
+exports.css = css;
diff --git a/web/public/node_modules/http-server/lib/core/status-handlers.js b/web/public/node_modules/http-server/lib/core/status-handlers.js
new file mode 100644
index 000000000..265b399e5
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/core/status-handlers.js
@@ -0,0 +1,96 @@
+'use strict';
+
+const he = require('he');
+
+// not modified
+exports['304'] = (res) => {
+  res.statusCode = 304;
+  res.end();
+};
+
+// access denied
+exports['403'] = (res, next) => {
+  res.statusCode = 403;
+  if (typeof next === 'function') {
+    next();
+  } else if (res.writable) {
+    res.setHeader('content-type', 'text/plain');
+    res.end('ACCESS DENIED');
+  }
+};
+
+// disallowed method
+exports['405'] = (res, next, opts) => {
+  res.statusCode = 405;
+  if (typeof next === 'function') {
+    next();
+  } else {
+    res.setHeader('allow', (opts && opts.allow) || 'GET, HEAD');
+    res.end();
+  }
+};
+
+// not found
+exports['404'] = (res, next) => {
+  res.statusCode = 404;
+  if (typeof next === 'function') {
+    next();
+  } else if (res.writable) {
+    res.setHeader('content-type', 'text/plain');
+    res.end('File not found. :(');
+  }
+};
+
+exports['416'] = (res, next) => {
+  res.statusCode = 416;
+  if (typeof next === 'function') {
+    next();
+  } else if (res.writable) {
+    res.setHeader('content-type', 'text/plain');
+    res.end('Requested range not satisfiable');
+  }
+};
+
+// flagrant error
+exports['500'] = (res, next, opts) => {
+  res.statusCode = 500;
+  res.setHeader('content-type', 'text/html');
+  const error = String(opts.error.stack || opts.error || 'No specified error');
+  const html = `${[
+    '<!doctype html>',
+    '<html>',
+    '  <head>',
+    '    <meta charset="utf-8">',
+    '    <title>500 Internal Server Error</title>',
+    '  </head>',
+    '  <body>',
+    '    <p>',
+    `      ${he.encode(error)}`,
+    '    </p>',
+    '  </body>',
+    '</html>',
+  ].join('\n')}\n`;
+  res.end(html);
+};
+
+// bad request
+exports['400'] = (res, next, opts) => {
+  res.statusCode = 400;
+  res.setHeader('content-type', 'text/html');
+  const error = opts && opts.error ? String(opts.error) : 'Malformed request.';
+  const html = `${[
+    '<!doctype html>',
+    '<html>',
+    '  <head>',
+    '    <meta charset="utf-8">',
+    '    <title>400 Bad Request</title>',
+    '  </head>',
+    '  <body>',
+    '    <p>',
+    `      ${he.encode(error)}`,
+    '    </p>',
+    '  </body>',
+    '</html>',
+  ].join('\n')}\n`;
+  res.end(html);
+};
diff --git a/web/public/node_modules/http-server/lib/http-server.js b/web/public/node_modules/http-server/lib/http-server.js
new file mode 100644
index 000000000..dfe4c474c
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/http-server.js
@@ -0,0 +1,192 @@
+'use strict';
+
+var fs = require('fs'),
+  union = require('union'),
+  httpServerCore = require('./core'),
+  auth = require('basic-auth'),
+  httpProxy = require('http-proxy'),
+  corser = require('corser'),
+  secureCompare = require('secure-compare');
+
+//
+// Remark: backwards compatibility for previous
+// case convention of HTTP
+//
+exports.HttpServer = exports.HTTPServer = HttpServer;
+
+/**
+ * Returns a new instance of HttpServer with the
+ * specified `options`.
+ */
+exports.createServer = function (options) {
+  return new HttpServer(options);
+};
+
+/**
+ * Constructor function for the HttpServer object
+ * which is responsible for serving static files along
+ * with other HTTP-related features.
+ */
+function HttpServer(options) {
+  options = options || {};
+
+  if (options.root) {
+    this.root = options.root;
+  } else {
+    try {
+      // eslint-disable-next-line no-sync
+      fs.lstatSync('./public');
+      this.root = './public';
+    } catch (err) {
+      this.root = './';
+    }
+  }
+
+  this.headers = options.headers || {};
+  this.headers['Accept-Ranges'] = 'bytes';
+
+  this.cache = (
+    // eslint-disable-next-line no-nested-ternary
+    options.cache === undefined ? 3600 :
+    // -1 is a special case to turn off caching.
+    // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#Preventing_caching
+      options.cache === -1 ? 'no-cache, no-store, must-revalidate' :
+        options.cache // in seconds.
+  );
+  this.showDir = options.showDir !== 'false';
+  this.autoIndex = options.autoIndex !== 'false';
+  this.showDotfiles = options.showDotfiles;
+  this.gzip = options.gzip === true;
+  this.brotli = options.brotli === true;
+  if (options.ext) {
+    this.ext = options.ext === true
+      ? 'html'
+      : options.ext;
+  }
+  this.contentType = options.contentType ||
+    this.ext === 'html' ? 'text/html' : 'application/octet-stream';
+
+  var before = options.before ? options.before.slice() : [];
+
+  if (options.logFn) {
+    before.push(function (req, res) {
+      options.logFn(req, res);
+      res.emit('next');
+    });
+  }
+
+  if (options.username || options.password) {
+    before.push(function (req, res) {
+      var credentials = auth(req);
+
+      // We perform these outside the if to avoid short-circuiting and giving
+      // an attacker knowledge of whether the username is correct via a timing
+      // attack.
+      if (credentials) {
+        // if credentials is defined, name and pass are guaranteed to be string
+        // type
+        var usernameEqual = secureCompare(options.username.toString(), credentials.name);
+        var passwordEqual = secureCompare(options.password.toString(), credentials.pass);
+        if (usernameEqual && passwordEqual) {
+          return res.emit('next');
+        }
+      }
+
+      res.statusCode = 401;
+      res.setHeader('WWW-Authenticate', 'Basic realm=""');
+      res.end('Access denied');
+    });
+  }
+
+  if (options.cors) {
+    this.headers['Access-Control-Allow-Origin'] = '*';
+    this.headers['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept, Range';
+    if (options.corsHeaders) {
+      options.corsHeaders.split(/\s*,\s*/)
+        .forEach(function (h) { this.headers['Access-Control-Allow-Headers'] += ', ' + h; }, this);
+    }
+    before.push(corser.create(options.corsHeaders ? {
+      requestHeaders: this.headers['Access-Control-Allow-Headers'].split(/\s*,\s*/)
+    } : null));
+  }
+
+  if (options.robots) {
+    before.push(function (req, res) {
+      if (req.url === '/robots.txt') {
+        res.setHeader('Content-Type', 'text/plain');
+        var robots = options.robots === true
+          ? 'User-agent: *\nDisallow: /'
+          : options.robots.replace(/\\n/, '\n');
+
+        return res.end(robots);
+      }
+
+      res.emit('next');
+    });
+  }
+
+  before.push(httpServerCore({
+    root: this.root,
+    cache: this.cache,
+    showDir: this.showDir,
+    showDotfiles: this.showDotfiles,
+    autoIndex: this.autoIndex,
+    defaultExt: this.ext,
+    gzip: this.gzip,
+    brotli: this.brotli,
+    contentType: this.contentType,
+    mimetypes: options.mimetypes,
+    handleError: typeof options.proxy !== 'string'
+  }));
+
+  if (typeof options.proxy === 'string') {
+    var proxyOptions = options.proxyOptions || {};
+    var proxy = httpProxy.createProxyServer(proxyOptions);
+    before.push(function (req, res) {
+      proxy.web(req, res, {
+        target: options.proxy,
+        changeOrigin: true
+      }, function (err, req, res) {
+        if (options.logFn) {
+          options.logFn(req, res, {
+            message: err.message,
+            status: res.statusCode });
+        }
+        res.emit('next');
+      });
+    });
+  }
+
+  var serverOptions = {
+    before: before,
+    headers: this.headers,
+    onError: function (err, req, res) {
+      if (options.logFn) {
+        options.logFn(req, res, err);
+      }
+
+      res.end();
+    }
+  };
+
+  if (options.https) {
+    serverOptions.https = options.https;
+  }
+
+  this.server = serverOptions.https && serverOptions.https.passphrase
+    // if passphrase is set, shim must be used as union does not support
+    ? require('./shims/https-server-shim')(serverOptions)
+    : union.createServer(serverOptions);
+
+  if (options.timeout !== undefined) {
+    this.server.setTimeout(options.timeout);
+  }
+}
+
+HttpServer.prototype.listen = function () {
+  this.server.listen.apply(this.server, arguments);
+};
+
+HttpServer.prototype.close = function () {
+  return this.server.close();
+};
diff --git a/web/public/node_modules/http-server/lib/shims/https-server-shim.js b/web/public/node_modules/http-server/lib/shims/https-server-shim.js
new file mode 100644
index 000000000..30d4fc58e
--- /dev/null
+++ b/web/public/node_modules/http-server/lib/shims/https-server-shim.js
@@ -0,0 +1,67 @@
+/* eslint-disable no-process-env */
+/* eslint-disable no-sync */
+var https = require('https');
+var fs = require('fs');
+var core = require('union/lib/core');
+var RoutingStream = require('union/lib/routing-stream');
+
+module.exports = function (options) {
+  var isArray = Array.isArray(options.after);
+  var credentials;
+
+  if (!options) {
+    throw new Error('options is required to create a server');
+  }
+
+  function requestHandler(req, res) {
+    var routingStream = new RoutingStream({
+      before: options.before,
+      buffer: options.buffer,
+      after:
+        isArray &&
+        options.after.map(function (After) {
+          return new After();
+        }),
+      request: req,
+      response: res,
+      limit: options.limit,
+      headers: options.headers
+    });
+
+    routingStream.on('error', function (err) {
+      var fn = options.onError || core.errorHandler;
+      fn(err, routingStream, routingStream.target, function () {
+        routingStream.target.emit('next');
+      });
+    });
+
+    req.pipe(routingStream);
+  }
+
+  var serverOptions;
+
+  serverOptions = options.https;
+  if (!serverOptions.key || !serverOptions.cert) {
+    throw new Error(
+      'Both options key and cert are required.'
+    );
+  }
+
+  credentials = {
+    key: fs.readFileSync(serverOptions.key),
+    cert: fs.readFileSync(serverOptions.cert),
+    passphrase: process.env.NODE_HTTP_SERVER_SSL_PASSPHRASE
+  };
+
+  if (serverOptions.ca) {
+    serverOptions.ca = !Array.isArray(serverOptions.ca)
+      ? [serverOptions.ca]
+      : serverOptions.ca;
+
+    credentials.ca = serverOptions.ca.map(function (ca) {
+      return fs.readFileSync(ca);
+    });
+  }
+
+  return https.createServer(credentials, requestHandler);
+};
diff --git a/web/public/node_modules/http-server/package.json b/web/public/node_modules/http-server/package.json
new file mode 100644
index 000000000..7316ac953
--- /dev/null
+++ b/web/public/node_modules/http-server/package.json
@@ -0,0 +1,118 @@
+{
+  "name": "http-server",
+  "version": "14.1.1",
+  "description": "A simple zero-configuration command-line http server",
+  "main": "./lib/http-server",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/http-party/http-server.git"
+  },
+  "keywords": [
+    "cli",
+    "command",
+    "static",
+    "http",
+    "https",
+    "http-server",
+    "https-server",
+    "server"
+  ],
+  "scripts": {
+    "start": "node ./bin/http-server",
+    "test": "tap --reporter=spec test/*.test.js",
+    "test-watch": "tap --reporter=spec --watch test/*.test.js"
+  },
+  "files": [
+    "lib",
+    "bin",
+    "doc"
+  ],
+  "man": "./doc/http-server.1",
+  "engines": {
+    "node": ">=12"
+  },
+  "contributors": [
+    {
+      "name": "Charlie Robbins",
+      "email": "charlie.robbins@gmail.com"
+    },
+    {
+      "name": "Marak Squires",
+      "email": "marak.squires@gmail.com"
+    },
+    {
+      "name": "Charlie McConnell",
+      "email": "charlie@charlieistheman.com"
+    },
+    {
+      "name": "Joshua Holbrook",
+      "email": "josh.holbrook@gmail.com"
+    },
+    {
+      "name": "Maciej Małecki",
+      "email": "maciej.malecki@notimplemented.org"
+    },
+    {
+      "name": "Matthew Bergman",
+      "email": "mzbphoto@gmail.com"
+    },
+    {
+      "name": "brad dunbar",
+      "email": "dunbarb2@gmail.com"
+    },
+    {
+      "name": "Dominic Tarr"
+    },
+    {
+      "name": "Travis Person",
+      "email": "travis.person@gmail.com"
+    },
+    {
+      "name": "Jinkwon Lee",
+      "email": "master@bdyne.net"
+    },
+    {
+      "name": "BigBlueHat",
+      "email": "byoung@bigbluehat.com"
+    },
+    {
+      "name": "Daniel Dalton",
+      "email": "daltond2@hawkmail.newpaltz.edu"
+    },
+    {
+      "name": "Jade Michael Thornton",
+      "email": "jademichael@jmthornton.net"
+    }
+  ],
+  "dependencies": {
+    "basic-auth": "^2.0.1",
+    "chalk": "^4.1.2",
+    "corser": "^2.0.1",
+    "he": "^1.2.0",
+    "html-encoding-sniffer": "^3.0.0",
+    "http-proxy": "^1.18.1",
+    "mime": "^1.6.0",
+    "minimist": "^1.2.6",
+    "opener": "^1.5.1",
+    "portfinder": "^1.0.28",
+    "secure-compare": "3.0.1",
+    "union": "~0.5.0",
+    "url-join": "^4.0.1"
+  },
+  "devDependencies": {
+    "eol": "^0.9.1",
+    "eslint": "^4.19.1",
+    "eslint-config-populist": "^4.2.0",
+    "express": "^4.17.1",
+    "request": "^2.88.2",
+    "tap": "^14.11.0"
+  },
+  "bugs": {
+    "url": "https://github.com/http-party/http-server/issues"
+  },
+  "license": "MIT",
+  "preferGlobal": true,
+  "bin": {
+    "http-server": "./bin/http-server"
+  }
+}
diff --git a/web/public/node_modules/iconv-lite/.github/dependabot.yml b/web/public/node_modules/iconv-lite/.github/dependabot.yml
new file mode 100644
index 000000000..e4a0e0afd
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.github/dependabot.yml
@@ -0,0 +1,11 @@
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    allow:
+      - dependency-type: production
diff --git a/web/public/node_modules/iconv-lite/.idea/codeStyles/Project.xml b/web/public/node_modules/iconv-lite/.idea/codeStyles/Project.xml
new file mode 100644
index 000000000..3f2688cb5
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.idea/codeStyles/Project.xml
@@ -0,0 +1,47 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <HTMLCodeStyleSettings>
+      <option name="HTML_SPACE_INSIDE_EMPTY_TAG" value="true" />
+      <option name="HTML_ENFORCE_QUOTES" value="true" />
+    </HTMLCodeStyleSettings>
+    <JSCodeStyleSettings version="0">
+      <option name="FORCE_SEMICOLON_STYLE" value="true" />
+      <option name="SPACE_BEFORE_FUNCTION_LEFT_PARENTH" value="false" />
+      <option name="FORCE_QUOTE_STYlE" value="true" />
+      <option name="ENFORCE_TRAILING_COMMA" value="Remove" />
+      <option name="SPACES_WITHIN_OBJECT_LITERAL_BRACES" value="true" />
+      <option name="SPACES_WITHIN_IMPORTS" value="true" />
+    </JSCodeStyleSettings>
+    <TypeScriptCodeStyleSettings version="0">
+      <option name="FORCE_SEMICOLON_STYLE" value="true" />
+      <option name="SPACE_BEFORE_FUNCTION_LEFT_PARENTH" value="false" />
+      <option name="FORCE_QUOTE_STYlE" value="true" />
+      <option name="ENFORCE_TRAILING_COMMA" value="Remove" />
+      <option name="SPACES_WITHIN_OBJECT_LITERAL_BRACES" value="true" />
+      <option name="SPACES_WITHIN_IMPORTS" value="true" />
+    </TypeScriptCodeStyleSettings>
+    <VueCodeStyleSettings>
+      <option name="INTERPOLATION_NEW_LINE_AFTER_START_DELIMITER" value="false" />
+      <option name="INTERPOLATION_NEW_LINE_BEFORE_END_DELIMITER" value="false" />
+    </VueCodeStyleSettings>
+    <codeStyleSettings language="HTML">
+      <option name="SOFT_MARGINS" value="100" />
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+    </codeStyleSettings>
+    <codeStyleSettings language="JavaScript">
+      <option name="SOFT_MARGINS" value="100" />
+    </codeStyleSettings>
+    <codeStyleSettings language="TypeScript">
+      <option name="SOFT_MARGINS" value="100" />
+    </codeStyleSettings>
+    <codeStyleSettings language="Vue">
+      <option name="SOFT_MARGINS" value="100" />
+      <indentOptions>
+        <option name="INDENT_SIZE" value="4" />
+        <option name="TAB_SIZE" value="4" />
+      </indentOptions>
+    </codeStyleSettings>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/.idea/codeStyles/codeStyleConfig.xml b/web/public/node_modules/iconv-lite/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 000000000..79ee123c2
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/.idea/iconv-lite.iml b/web/public/node_modules/iconv-lite/.idea/iconv-lite.iml
new file mode 100644
index 000000000..0c8867d7e
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.idea/iconv-lite.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/.idea/inspectionProfiles/Project_Default.xml b/web/public/node_modules/iconv-lite/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 000000000..03d9549ea
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="Eslint" enabled="true" level="WARNING" enabled_by_default="true" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/.idea/modules.xml b/web/public/node_modules/iconv-lite/.idea/modules.xml
new file mode 100644
index 000000000..5d24f2e1e
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/iconv-lite.iml" filepath="$PROJECT_DIR$/.idea/iconv-lite.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/.idea/vcs.xml b/web/public/node_modules/iconv-lite/.idea/vcs.xml
new file mode 100644
index 000000000..94a25f7f4
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/Changelog.md b/web/public/node_modules/iconv-lite/Changelog.md
new file mode 100644
index 000000000..464549b14
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/Changelog.md
@@ -0,0 +1,212 @@
+## 0.6.3 / 2021-05-23
+  * Fix HKSCS encoding to prefer Big5 codes if both Big5 and HKSCS codes are possible (#264)
+
+
+## 0.6.2 / 2020-07-08
+  * Support Uint8Array-s decoding without conversion to Buffers, plus fix an edge case.
+
+
+## 0.6.1 / 2020-06-28
+  * Support Uint8Array-s directly when decoding (#246, by @gyzerok)
+  * Unify package.json version ranges to be strictly semver-compatible (#241)
+  * Fix minor issue in UTF-32 decoder's endianness detection code.
+
+
+## 0.6.0 / 2020-06-08
+  * Updated 'gb18030' encoding to :2005 edition (see https://github.com/whatwg/encoding/issues/22).
+  * Removed `iconv.extendNodeEncodings()` mechanism. It was deprecated 5 years ago and didn't work 
+    in recent Node versions.
+  * Reworked Streaming API behavior in browser environments to fix #204. Streaming API will be 
+    excluded by default in browser packs, saving ~100Kb bundle size, unless enabled explicitly using 
+    `iconv.enableStreamingAPI(require('stream'))`.
+  * Updates to development environment & tests:
+    * Added ./test/webpack private package to test complex new use cases that need custom environment. 
+      It's tested as a separate job in Travis CI.
+    * Updated generation code for the new EUC-KR index file format from Encoding Standard.
+    * Removed Buffer() constructor in tests (#197 by @gabrielschulhof).
+
+
+## 0.5.2 / 2020-06-08
+  * Added `iconv.getEncoder()` and `iconv.getDecoder()` methods to typescript definitions (#229).
+  * Fixed semver version to 6.1.2 to support Node 8.x (by @tanandara).
+  * Capped iconv version to 2.x as 3.x has dropped support for older Node versions.
+  * Switched from instanbul to c8 for code coverage.
+
+
+## 0.5.1 / 2020-01-18
+
+  * Added cp720 encoding (#221, by @kr-deps)
+  * (minor) Changed Changelog.md formatting to use h2. 
+
+
+## 0.5.0 / 2019-06-26
+
+  * Added UTF-32 encoding, both little-endian and big-endian variants (UTF-32LE, UTF32-BE). If endianness
+    is not provided for decoding, it's deduced automatically from the stream using a heuristic similar to
+    what we use in UTF-16. (great work in #216 by @kshetline)
+  * Several minor updates to README (#217 by @oldj, plus some more)
+  * Added Node versions 10 and 12 to Travis test harness.
+
+
+## 0.4.24 / 2018-08-22
+
+  * Added MIK encoding (#196, by @Ivan-Kalatchev)
+
+
+## 0.4.23 / 2018-05-07
+
+  * Fix deprecation warning in Node v10 due to the last usage of `new Buffer` (#185, by @felixbuenemann)
+  * Switched from NodeBuffer to Buffer in typings (#155 by @felixfbecker, #186 by @larssn)
+
+
+## 0.4.22 / 2018-05-05
+
+  * Use older semver style for dependencies to be compatible with Node version 0.10 (#182, by @dougwilson)
+  * Fix tests to accomodate fixes in Node v10 (#182, by @dougwilson)
+
+
+## 0.4.21 / 2018-04-06
+
+  * Fix encoding canonicalization (#156)
+  * Fix the paths in the "browser" field in package.json (#174 by @LMLB)
+  * Removed "contributors" section in package.json - see Git history instead.
+
+
+## 0.4.20 / 2018-04-06
+
+  * Updated `new Buffer()` usages with recommended replacements as it's being deprecated in Node v10 (#176, #178 by @ChALkeR)
+
+
+## 0.4.19 / 2017-09-09
+
+  * Fixed iso8859-1 codec regression in handling untranslatable characters (#162, caused by #147)
+  * Re-generated windows1255 codec, because it was updated in iconv project
+  * Fixed grammar in error message when iconv-lite is loaded with encoding other than utf8
+
+
+## 0.4.18 / 2017-06-13
+
+  * Fixed CESU-8 regression in Node v8.
+
+
+## 0.4.17 / 2017-04-22
+
+ * Updated typescript definition file to support Angular 2 AoT mode (#153 by @larssn)
+
+
+## 0.4.16 / 2017-04-22
+
+ * Added support for React Native (#150)
+ * Changed iso8859-1 encoding to usine internal 'binary' encoding, as it's the same thing (#147 by @mscdex)
+ * Fixed typo in Readme (#138 by @jiangzhuo)
+ * Fixed build for Node v6.10+ by making correct version comparison
+ * Added a warning if iconv-lite is loaded not as utf-8 (see #142)
+
+
+## 0.4.15 / 2016-11-21
+
+ * Fixed typescript type definition (#137)
+
+
+## 0.4.14 / 2016-11-20
+
+ * Preparation for v1.0
+ * Added Node v6 and latest Node versions to Travis CI test rig
+ * Deprecated Node v0.8 support
+ * Typescript typings (@larssn)
+ * Fix encoding of Euro character in GB 18030 (inspired by @lygstate)
+ * Add ms prefix to dbcs windows encodings (@rokoroku)
+
+
+## 0.4.13 / 2015-10-01
+
+ * Fix silly mistake in deprecation notice.
+
+
+## 0.4.12 / 2015-09-26
+
+ * Node v4 support:
+   * Added CESU-8 decoding (#106)
+   * Added deprecation notice for `extendNodeEncodings`
+   * Added Travis tests for Node v4 and io.js latest (#105 by @Mithgol)
+
+
+## 0.4.11 / 2015-07-03
+
+ * Added CESU-8 encoding.
+
+
+## 0.4.10 / 2015-05-26
+
+ * Changed UTF-16 endianness heuristic to take into account any ASCII chars, not
+   just spaces. This should minimize the importance of "default" endianness.
+
+
+## 0.4.9 / 2015-05-24
+
+ * Streamlined BOM handling: strip BOM by default, add BOM when encoding if 
+   addBOM: true. Added docs to Readme.
+ * UTF16 now uses UTF16-LE by default.
+ * Fixed minor issue with big5 encoding.
+ * Added io.js testing on Travis; updated node-iconv version to test against.
+   Now we just skip testing SBCS encodings that node-iconv doesn't support.
+ * (internal refactoring) Updated codec interface to use classes.
+ * Use strict mode in all files.
+
+
+## 0.4.8 / 2015-04-14
+ 
+ * added alias UNICODE-1-1-UTF-7 for UTF-7 encoding (#94)
+
+
+## 0.4.7 / 2015-02-05
+
+ * stop official support of Node.js v0.8. Should still work, but no guarantees.
+   reason: Packages needed for testing are hard to get on Travis CI.
+ * work in environment where Object.prototype is monkey patched with enumerable 
+   props (#89).
+
+
+## 0.4.6 / 2015-01-12
+ 
+ * fix rare aliases of single-byte encodings (thanks @mscdex)
+ * double the timeout for dbcs tests to make them less flaky on travis
+
+
+## 0.4.5 / 2014-11-20
+
+ * fix windows-31j and x-sjis encoding support (@nleush)
+ * minor fix: undefined variable reference when internal error happens
+
+
+## 0.4.4 / 2014-07-16
+
+ * added encodings UTF-7 (RFC2152) and UTF-7-IMAP (RFC3501 Section 5.1.3)
+ * fixed streaming base64 encoding
+
+
+## 0.4.3 / 2014-06-14
+
+ * added encodings UTF-16BE and UTF-16 with BOM
+
+
+## 0.4.2 / 2014-06-12
+
+ * don't throw exception if `extendNodeEncodings()` is called more than once
+
+
+## 0.4.1 / 2014-06-11
+
+ * codepage 808 added
+
+
+## 0.4.0 / 2014-06-10
+
+ * code is rewritten from scratch
+ * all widespread encodings are supported
+ * streaming interface added
+ * browserify compatibility added
+ * (optional) extend core primitive encodings to make usage even simpler
+ * moved from vows to mocha as the testing framework
+
+
diff --git a/web/public/node_modules/iconv-lite/LICENSE b/web/public/node_modules/iconv-lite/LICENSE
new file mode 100644
index 000000000..d518d8376
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/LICENSE
@@ -0,0 +1,21 @@
+Copyright (c) 2011 Alexander Shtuchkin
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/web/public/node_modules/iconv-lite/README.md b/web/public/node_modules/iconv-lite/README.md
new file mode 100644
index 000000000..3c97f8730
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/README.md
@@ -0,0 +1,130 @@
+## iconv-lite: Pure JS character encoding conversion
+
+ * No need for native code compilation. Quick to install, works on Windows and in sandboxed environments like [Cloud9](http://c9.io).
+ * Used in popular projects like [Express.js (body_parser)](https://github.com/expressjs/body-parser), 
+   [Grunt](http://gruntjs.com/), [Nodemailer](http://www.nodemailer.com/), [Yeoman](http://yeoman.io/) and others.
+ * Faster than [node-iconv](https://github.com/bnoordhuis/node-iconv) (see below for performance comparison).
+ * Intuitive encode/decode API, including Streaming support.
+ * In-browser usage via [browserify](https://github.com/substack/node-browserify) or [webpack](https://webpack.js.org/) (~180kb gzip compressed with Buffer shim included).
+ * Typescript [type definition file](https://github.com/ashtuchkin/iconv-lite/blob/master/lib/index.d.ts) included.
+ * React Native is supported (need to install `stream` module to enable Streaming API).
+ * License: MIT.
+
+[![NPM Stats](https://nodei.co/npm/iconv-lite.png)](https://npmjs.org/package/iconv-lite/)  
+[![Build Status](https://travis-ci.org/ashtuchkin/iconv-lite.svg?branch=master)](https://travis-ci.org/ashtuchkin/iconv-lite)
+[![npm](https://img.shields.io/npm/v/iconv-lite.svg)](https://npmjs.org/package/iconv-lite/)
+[![npm downloads](https://img.shields.io/npm/dm/iconv-lite.svg)](https://npmjs.org/package/iconv-lite/)
+[![npm bundle size](https://img.shields.io/bundlephobia/min/iconv-lite.svg)](https://npmjs.org/package/iconv-lite/)
+
+## Usage
+### Basic API
+```javascript
+var iconv = require('iconv-lite');
+
+// Convert from an encoded buffer to a js string.
+str = iconv.decode(Buffer.from([0x68, 0x65, 0x6c, 0x6c, 0x6f]), 'win1251');
+
+// Convert from a js string to an encoded buffer.
+buf = iconv.encode("Sample input string", 'win1251');
+
+// Check if encoding is supported
+iconv.encodingExists("us-ascii")
+```
+
+### Streaming API
+```javascript
+
+// Decode stream (from binary data stream to js strings)
+http.createServer(function(req, res) {
+    var converterStream = iconv.decodeStream('win1251');
+    req.pipe(converterStream);
+
+    converterStream.on('data', function(str) {
+        console.log(str); // Do something with decoded strings, chunk-by-chunk.
+    });
+});
+
+// Convert encoding streaming example
+fs.createReadStream('file-in-win1251.txt')
+    .pipe(iconv.decodeStream('win1251'))
+    .pipe(iconv.encodeStream('ucs2'))
+    .pipe(fs.createWriteStream('file-in-ucs2.txt'));
+
+// Sugar: all encode/decode streams have .collect(cb) method to accumulate data.
+http.createServer(function(req, res) {
+    req.pipe(iconv.decodeStream('win1251')).collect(function(err, body) {
+        assert(typeof body == 'string');
+        console.log(body); // full request body string
+    });
+});
+```
+
+## Supported encodings
+
+ *  All node.js native encodings: utf8, ucs2 / utf16-le, ascii, binary, base64, hex.
+ *  Additional unicode encodings: utf16, utf16-be, utf-7, utf-7-imap, utf32, utf32-le, and utf32-be.
+ *  All widespread singlebyte encodings: Windows 125x family, ISO-8859 family, 
+    IBM/DOS codepages, Macintosh family, KOI8 family, all others supported by iconv library. 
+    Aliases like 'latin1', 'us-ascii' also supported.
+ *  All widespread multibyte encodings: CP932, CP936, CP949, CP950, GB2312, GBK, GB18030, Big5, Shift_JIS, EUC-JP.
+
+See [all supported encodings on wiki](https://github.com/ashtuchkin/iconv-lite/wiki/Supported-Encodings).
+
+Most singlebyte encodings are generated automatically from [node-iconv](https://github.com/bnoordhuis/node-iconv). Thank you Ben Noordhuis and libiconv authors!
+
+Multibyte encodings are generated from [Unicode.org mappings](http://www.unicode.org/Public/MAPPINGS/) and [WHATWG Encoding Standard mappings](http://encoding.spec.whatwg.org/). Thank you, respective authors!
+
+
+## Encoding/decoding speed
+
+Comparison with node-iconv module (1000x256kb, on MacBook Pro, Core i5/2.6 GHz, Node v0.12.0). 
+Note: your results may vary, so please always check on your hardware.
+
+    operation             iconv@2.1.4   iconv-lite@0.4.7
+    ----------------------------------------------------------
+    encode('win1251')     ~96 Mb/s      ~320 Mb/s
+    decode('win1251')     ~95 Mb/s      ~246 Mb/s
+
+## BOM handling
+
+ * Decoding: BOM is stripped by default, unless overridden by passing `stripBOM: false` in options
+   (f.ex. `iconv.decode(buf, enc, {stripBOM: false})`).
+   A callback might also be given as a `stripBOM` parameter - it'll be called if BOM character was actually found.
+ * If you want to detect UTF-8 BOM when decoding other encodings, use [node-autodetect-decoder-stream](https://github.com/danielgindi/node-autodetect-decoder-stream) module.
+ * Encoding: No BOM added, unless overridden by `addBOM: true` option.
+
+## UTF-16 Encodings
+
+This library supports UTF-16LE, UTF-16BE and UTF-16 encodings. First two are straightforward, but UTF-16 is trying to be
+smart about endianness in the following ways:
+ * Decoding: uses BOM and 'spaces heuristic' to determine input endianness. Default is UTF-16LE, but can be 
+   overridden with `defaultEncoding: 'utf-16be'` option. Strips BOM unless `stripBOM: false`.
+ * Encoding: uses UTF-16LE and writes BOM by default. Use `addBOM: false` to override.
+
+## UTF-32 Encodings
+
+This library supports UTF-32LE, UTF-32BE and UTF-32 encodings. Like the UTF-16 encoding above, UTF-32 defaults to UTF-32LE, but uses BOM and 'spaces heuristics' to determine input endianness. 
+ * The default of UTF-32LE can be overridden with the `defaultEncoding: 'utf-32be'` option. Strips BOM unless `stripBOM: false`.
+ * Encoding: uses UTF-32LE and writes BOM by default. Use `addBOM: false` to override. (`defaultEncoding: 'utf-32be'` can also be used here to change encoding.)
+
+## Other notes
+
+When decoding, be sure to supply a Buffer to decode() method, otherwise [bad things usually happen](https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding).  
+Untranslatable characters are set to � or ?. No transliteration is currently supported.  
+Node versions 0.10.31 and 0.11.13 are buggy, don't use them (see #65, #77).  
+
+## Testing
+
+```bash
+$ git clone git@github.com:ashtuchkin/iconv-lite.git
+$ cd iconv-lite
+$ npm install
+$ npm test
+    
+$ # To view performance:
+$ node test/performance.js
+
+$ # To view test coverage:
+$ npm run coverage
+$ open coverage/lcov-report/index.html
+```
diff --git a/web/public/node_modules/iconv-lite/encodings/dbcs-codec.js b/web/public/node_modules/iconv-lite/encodings/dbcs-codec.js
new file mode 100644
index 000000000..fa8391703
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/dbcs-codec.js
@@ -0,0 +1,597 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Multibyte codec. In this scheme, a character is represented by 1 or more bytes.
+// Our codec supports UTF-16 surrogates, extensions for GB18030 and unicode sequences.
+// To save memory and loading time, we read table files only when requested.
+
+exports._dbcs = DBCSCodec;
+
+var UNASSIGNED = -1,
+    GB18030_CODE = -2,
+    SEQ_START  = -10,
+    NODE_START = -1000,
+    UNASSIGNED_NODE = new Array(0x100),
+    DEF_CHAR = -1;
+
+for (var i = 0; i < 0x100; i++)
+    UNASSIGNED_NODE[i] = UNASSIGNED;
+
+
+// Class DBCSCodec reads and initializes mapping tables.
+function DBCSCodec(codecOptions, iconv) {
+    this.encodingName = codecOptions.encodingName;
+    if (!codecOptions)
+        throw new Error("DBCS codec is called without the data.")
+    if (!codecOptions.table)
+        throw new Error("Encoding '" + this.encodingName + "' has no data.");
+
+    // Load tables.
+    var mappingTable = codecOptions.table();
+
+
+    // Decode tables: MBCS -> Unicode.
+
+    // decodeTables is a trie, encoded as an array of arrays of integers. Internal arrays are trie nodes and all have len = 256.
+    // Trie root is decodeTables[0].
+    // Values: >=  0 -> unicode character code. can be > 0xFFFF
+    //         == UNASSIGNED -> unknown/unassigned sequence.
+    //         == GB18030_CODE -> this is the end of a GB18030 4-byte sequence.
+    //         <= NODE_START -> index of the next node in our trie to process next byte.
+    //         <= SEQ_START  -> index of the start of a character code sequence, in decodeTableSeq.
+    this.decodeTables = [];
+    this.decodeTables[0] = UNASSIGNED_NODE.slice(0); // Create root node.
+
+    // Sometimes a MBCS char corresponds to a sequence of unicode chars. We store them as arrays of integers here. 
+    this.decodeTableSeq = [];
+
+    // Actual mapping tables consist of chunks. Use them to fill up decode tables.
+    for (var i = 0; i < mappingTable.length; i++)
+        this._addDecodeChunk(mappingTable[i]);
+
+    // Load & create GB18030 tables when needed.
+    if (typeof codecOptions.gb18030 === 'function') {
+        this.gb18030 = codecOptions.gb18030(); // Load GB18030 ranges.
+
+        // Add GB18030 common decode nodes.
+        var commonThirdByteNodeIdx = this.decodeTables.length;
+        this.decodeTables.push(UNASSIGNED_NODE.slice(0));
+
+        var commonFourthByteNodeIdx = this.decodeTables.length;
+        this.decodeTables.push(UNASSIGNED_NODE.slice(0));
+
+        // Fill out the tree
+        var firstByteNode = this.decodeTables[0];
+        for (var i = 0x81; i <= 0xFE; i++) {
+            var secondByteNode = this.decodeTables[NODE_START - firstByteNode[i]];
+            for (var j = 0x30; j <= 0x39; j++) {
+                if (secondByteNode[j] === UNASSIGNED) {
+                    secondByteNode[j] = NODE_START - commonThirdByteNodeIdx;
+                } else if (secondByteNode[j] > NODE_START) {
+                    throw new Error("gb18030 decode tables conflict at byte 2");
+                }
+
+                var thirdByteNode = this.decodeTables[NODE_START - secondByteNode[j]];
+                for (var k = 0x81; k <= 0xFE; k++) {
+                    if (thirdByteNode[k] === UNASSIGNED) {
+                        thirdByteNode[k] = NODE_START - commonFourthByteNodeIdx;
+                    } else if (thirdByteNode[k] === NODE_START - commonFourthByteNodeIdx) {
+                        continue;
+                    } else if (thirdByteNode[k] > NODE_START) {
+                        throw new Error("gb18030 decode tables conflict at byte 3");
+                    }
+
+                    var fourthByteNode = this.decodeTables[NODE_START - thirdByteNode[k]];
+                    for (var l = 0x30; l <= 0x39; l++) {
+                        if (fourthByteNode[l] === UNASSIGNED)
+                            fourthByteNode[l] = GB18030_CODE;
+                    }
+                }
+            }
+        }
+    }
+
+    this.defaultCharUnicode = iconv.defaultCharUnicode;
+
+    
+    // Encode tables: Unicode -> DBCS.
+
+    // `encodeTable` is array mapping from unicode char to encoded char. All its values are integers for performance.
+    // Because it can be sparse, it is represented as array of buckets by 256 chars each. Bucket can be null.
+    // Values: >=  0 -> it is a normal char. Write the value (if <=256 then 1 byte, if <=65536 then 2 bytes, etc.).
+    //         == UNASSIGNED -> no conversion found. Output a default char.
+    //         <= SEQ_START  -> it's an index in encodeTableSeq, see below. The character starts a sequence.
+    this.encodeTable = [];
+    
+    // `encodeTableSeq` is used when a sequence of unicode characters is encoded as a single code. We use a tree of
+    // objects where keys correspond to characters in sequence and leafs are the encoded dbcs values. A special DEF_CHAR key
+    // means end of sequence (needed when one sequence is a strict subsequence of another).
+    // Objects are kept separately from encodeTable to increase performance.
+    this.encodeTableSeq = [];
+
+    // Some chars can be decoded, but need not be encoded.
+    var skipEncodeChars = {};
+    if (codecOptions.encodeSkipVals)
+        for (var i = 0; i < codecOptions.encodeSkipVals.length; i++) {
+            var val = codecOptions.encodeSkipVals[i];
+            if (typeof val === 'number')
+                skipEncodeChars[val] = true;
+            else
+                for (var j = val.from; j <= val.to; j++)
+                    skipEncodeChars[j] = true;
+        }
+        
+    // Use decode trie to recursively fill out encode tables.
+    this._fillEncodeTable(0, 0, skipEncodeChars);
+
+    // Add more encoding pairs when needed.
+    if (codecOptions.encodeAdd) {
+        for (var uChar in codecOptions.encodeAdd)
+            if (Object.prototype.hasOwnProperty.call(codecOptions.encodeAdd, uChar))
+                this._setEncodeChar(uChar.charCodeAt(0), codecOptions.encodeAdd[uChar]);
+    }
+
+    this.defCharSB  = this.encodeTable[0][iconv.defaultCharSingleByte.charCodeAt(0)];
+    if (this.defCharSB === UNASSIGNED) this.defCharSB = this.encodeTable[0]['?'];
+    if (this.defCharSB === UNASSIGNED) this.defCharSB = "?".charCodeAt(0);
+}
+
+DBCSCodec.prototype.encoder = DBCSEncoder;
+DBCSCodec.prototype.decoder = DBCSDecoder;
+
+// Decoder helpers
+DBCSCodec.prototype._getDecodeTrieNode = function(addr) {
+    var bytes = [];
+    for (; addr > 0; addr >>>= 8)
+        bytes.push(addr & 0xFF);
+    if (bytes.length == 0)
+        bytes.push(0);
+
+    var node = this.decodeTables[0];
+    for (var i = bytes.length-1; i > 0; i--) { // Traverse nodes deeper into the trie.
+        var val = node[bytes[i]];
+
+        if (val == UNASSIGNED) { // Create new node.
+            node[bytes[i]] = NODE_START - this.decodeTables.length;
+            this.decodeTables.push(node = UNASSIGNED_NODE.slice(0));
+        }
+        else if (val <= NODE_START) { // Existing node.
+            node = this.decodeTables[NODE_START - val];
+        }
+        else
+            throw new Error("Overwrite byte in " + this.encodingName + ", addr: " + addr.toString(16));
+    }
+    return node;
+}
+
+
+DBCSCodec.prototype._addDecodeChunk = function(chunk) {
+    // First element of chunk is the hex mbcs code where we start.
+    var curAddr = parseInt(chunk[0], 16);
+
+    // Choose the decoding node where we'll write our chars.
+    var writeTable = this._getDecodeTrieNode(curAddr);
+    curAddr = curAddr & 0xFF;
+
+    // Write all other elements of the chunk to the table.
+    for (var k = 1; k < chunk.length; k++) {
+        var part = chunk[k];
+        if (typeof part === "string") { // String, write as-is.
+            for (var l = 0; l < part.length;) {
+                var code = part.charCodeAt(l++);
+                if (0xD800 <= code && code < 0xDC00) { // Decode surrogate
+                    var codeTrail = part.charCodeAt(l++);
+                    if (0xDC00 <= codeTrail && codeTrail < 0xE000)
+                        writeTable[curAddr++] = 0x10000 + (code - 0xD800) * 0x400 + (codeTrail - 0xDC00);
+                    else
+                        throw new Error("Incorrect surrogate pair in "  + this.encodingName + " at chunk " + chunk[0]);
+                }
+                else if (0x0FF0 < code && code <= 0x0FFF) { // Character sequence (our own encoding used)
+                    var len = 0xFFF - code + 2;
+                    var seq = [];
+                    for (var m = 0; m < len; m++)
+                        seq.push(part.charCodeAt(l++)); // Simple variation: don't support surrogates or subsequences in seq.
+
+                    writeTable[curAddr++] = SEQ_START - this.decodeTableSeq.length;
+                    this.decodeTableSeq.push(seq);
+                }
+                else
+                    writeTable[curAddr++] = code; // Basic char
+            }
+        } 
+        else if (typeof part === "number") { // Integer, meaning increasing sequence starting with prev character.
+            var charCode = writeTable[curAddr - 1] + 1;
+            for (var l = 0; l < part; l++)
+                writeTable[curAddr++] = charCode++;
+        }
+        else
+            throw new Error("Incorrect type '" + typeof part + "' given in "  + this.encodingName + " at chunk " + chunk[0]);
+    }
+    if (curAddr > 0xFF)
+        throw new Error("Incorrect chunk in "  + this.encodingName + " at addr " + chunk[0] + ": too long" + curAddr);
+}
+
+// Encoder helpers
+DBCSCodec.prototype._getEncodeBucket = function(uCode) {
+    var high = uCode >> 8; // This could be > 0xFF because of astral characters.
+    if (this.encodeTable[high] === undefined)
+        this.encodeTable[high] = UNASSIGNED_NODE.slice(0); // Create bucket on demand.
+    return this.encodeTable[high];
+}
+
+DBCSCodec.prototype._setEncodeChar = function(uCode, dbcsCode) {
+    var bucket = this._getEncodeBucket(uCode);
+    var low = uCode & 0xFF;
+    if (bucket[low] <= SEQ_START)
+        this.encodeTableSeq[SEQ_START-bucket[low]][DEF_CHAR] = dbcsCode; // There's already a sequence, set a single-char subsequence of it.
+    else if (bucket[low] == UNASSIGNED)
+        bucket[low] = dbcsCode;
+}
+
+DBCSCodec.prototype._setEncodeSequence = function(seq, dbcsCode) {
+    
+    // Get the root of character tree according to first character of the sequence.
+    var uCode = seq[0];
+    var bucket = this._getEncodeBucket(uCode);
+    var low = uCode & 0xFF;
+
+    var node;
+    if (bucket[low] <= SEQ_START) {
+        // There's already a sequence with  - use it.
+        node = this.encodeTableSeq[SEQ_START-bucket[low]];
+    }
+    else {
+        // There was no sequence object - allocate a new one.
+        node = {};
+        if (bucket[low] !== UNASSIGNED) node[DEF_CHAR] = bucket[low]; // If a char was set before - make it a single-char subsequence.
+        bucket[low] = SEQ_START - this.encodeTableSeq.length;
+        this.encodeTableSeq.push(node);
+    }
+
+    // Traverse the character tree, allocating new nodes as needed.
+    for (var j = 1; j < seq.length-1; j++) {
+        var oldVal = node[uCode];
+        if (typeof oldVal === 'object')
+            node = oldVal;
+        else {
+            node = node[uCode] = {}
+            if (oldVal !== undefined)
+                node[DEF_CHAR] = oldVal
+        }
+    }
+
+    // Set the leaf to given dbcsCode.
+    uCode = seq[seq.length-1];
+    node[uCode] = dbcsCode;
+}
+
+DBCSCodec.prototype._fillEncodeTable = function(nodeIdx, prefix, skipEncodeChars) {
+    var node = this.decodeTables[nodeIdx];
+    var hasValues = false;
+    var subNodeEmpty = {};
+    for (var i = 0; i < 0x100; i++) {
+        var uCode = node[i];
+        var mbCode = prefix + i;
+        if (skipEncodeChars[mbCode])
+            continue;
+
+        if (uCode >= 0) {
+            this._setEncodeChar(uCode, mbCode);
+            hasValues = true;
+        } else if (uCode <= NODE_START) {
+            var subNodeIdx = NODE_START - uCode;
+            if (!subNodeEmpty[subNodeIdx]) {  // Skip empty subtrees (they are too large in gb18030).
+                var newPrefix = (mbCode << 8) >>> 0;  // NOTE: '>>> 0' keeps 32-bit num positive.
+                if (this._fillEncodeTable(subNodeIdx, newPrefix, skipEncodeChars))
+                    hasValues = true;
+                else
+                    subNodeEmpty[subNodeIdx] = true;
+            }
+        } else if (uCode <= SEQ_START) {
+            this._setEncodeSequence(this.decodeTableSeq[SEQ_START - uCode], mbCode);
+            hasValues = true;
+        }
+    }
+    return hasValues;
+}
+
+
+
+// == Encoder ==================================================================
+
+function DBCSEncoder(options, codec) {
+    // Encoder state
+    this.leadSurrogate = -1;
+    this.seqObj = undefined;
+    
+    // Static data
+    this.encodeTable = codec.encodeTable;
+    this.encodeTableSeq = codec.encodeTableSeq;
+    this.defaultCharSingleByte = codec.defCharSB;
+    this.gb18030 = codec.gb18030;
+}
+
+DBCSEncoder.prototype.write = function(str) {
+    var newBuf = Buffer.alloc(str.length * (this.gb18030 ? 4 : 3)),
+        leadSurrogate = this.leadSurrogate,
+        seqObj = this.seqObj, nextChar = -1,
+        i = 0, j = 0;
+
+    while (true) {
+        // 0. Get next character.
+        if (nextChar === -1) {
+            if (i == str.length) break;
+            var uCode = str.charCodeAt(i++);
+        }
+        else {
+            var uCode = nextChar;
+            nextChar = -1;    
+        }
+
+        // 1. Handle surrogates.
+        if (0xD800 <= uCode && uCode < 0xE000) { // Char is one of surrogates.
+            if (uCode < 0xDC00) { // We've got lead surrogate.
+                if (leadSurrogate === -1) {
+                    leadSurrogate = uCode;
+                    continue;
+                } else {
+                    leadSurrogate = uCode;
+                    // Double lead surrogate found.
+                    uCode = UNASSIGNED;
+                }
+            } else { // We've got trail surrogate.
+                if (leadSurrogate !== -1) {
+                    uCode = 0x10000 + (leadSurrogate - 0xD800) * 0x400 + (uCode - 0xDC00);
+                    leadSurrogate = -1;
+                } else {
+                    // Incomplete surrogate pair - only trail surrogate found.
+                    uCode = UNASSIGNED;
+                }
+                
+            }
+        }
+        else if (leadSurrogate !== -1) {
+            // Incomplete surrogate pair - only lead surrogate found.
+            nextChar = uCode; uCode = UNASSIGNED; // Write an error, then current char.
+            leadSurrogate = -1;
+        }
+
+        // 2. Convert uCode character.
+        var dbcsCode = UNASSIGNED;
+        if (seqObj !== undefined && uCode != UNASSIGNED) { // We are in the middle of the sequence
+            var resCode = seqObj[uCode];
+            if (typeof resCode === 'object') { // Sequence continues.
+                seqObj = resCode;
+                continue;
+
+            } else if (typeof resCode == 'number') { // Sequence finished. Write it.
+                dbcsCode = resCode;
+
+            } else if (resCode == undefined) { // Current character is not part of the sequence.
+
+                // Try default character for this sequence
+                resCode = seqObj[DEF_CHAR];
+                if (resCode !== undefined) {
+                    dbcsCode = resCode; // Found. Write it.
+                    nextChar = uCode; // Current character will be written too in the next iteration.
+
+                } else {
+                    // TODO: What if we have no default? (resCode == undefined)
+                    // Then, we should write first char of the sequence as-is and try the rest recursively.
+                    // Didn't do it for now because no encoding has this situation yet.
+                    // Currently, just skip the sequence and write current char.
+                }
+            }
+            seqObj = undefined;
+        }
+        else if (uCode >= 0) {  // Regular character
+            var subtable = this.encodeTable[uCode >> 8];
+            if (subtable !== undefined)
+                dbcsCode = subtable[uCode & 0xFF];
+            
+            if (dbcsCode <= SEQ_START) { // Sequence start
+                seqObj = this.encodeTableSeq[SEQ_START-dbcsCode];
+                continue;
+            }
+
+            if (dbcsCode == UNASSIGNED && this.gb18030) {
+                // Use GB18030 algorithm to find character(s) to write.
+                var idx = findIdx(this.gb18030.uChars, uCode);
+                if (idx != -1) {
+                    var dbcsCode = this.gb18030.gbChars[idx] + (uCode - this.gb18030.uChars[idx]);
+                    newBuf[j++] = 0x81 + Math.floor(dbcsCode / 12600); dbcsCode = dbcsCode % 12600;
+                    newBuf[j++] = 0x30 + Math.floor(dbcsCode / 1260); dbcsCode = dbcsCode % 1260;
+                    newBuf[j++] = 0x81 + Math.floor(dbcsCode / 10); dbcsCode = dbcsCode % 10;
+                    newBuf[j++] = 0x30 + dbcsCode;
+                    continue;
+                }
+            }
+        }
+
+        // 3. Write dbcsCode character.
+        if (dbcsCode === UNASSIGNED)
+            dbcsCode = this.defaultCharSingleByte;
+        
+        if (dbcsCode < 0x100) {
+            newBuf[j++] = dbcsCode;
+        }
+        else if (dbcsCode < 0x10000) {
+            newBuf[j++] = dbcsCode >> 8;   // high byte
+            newBuf[j++] = dbcsCode & 0xFF; // low byte
+        }
+        else if (dbcsCode < 0x1000000) {
+            newBuf[j++] = dbcsCode >> 16;
+            newBuf[j++] = (dbcsCode >> 8) & 0xFF;
+            newBuf[j++] = dbcsCode & 0xFF;
+        } else {
+            newBuf[j++] = dbcsCode >>> 24;
+            newBuf[j++] = (dbcsCode >>> 16) & 0xFF;
+            newBuf[j++] = (dbcsCode >>> 8) & 0xFF;
+            newBuf[j++] = dbcsCode & 0xFF;
+        }
+    }
+
+    this.seqObj = seqObj;
+    this.leadSurrogate = leadSurrogate;
+    return newBuf.slice(0, j);
+}
+
+DBCSEncoder.prototype.end = function() {
+    if (this.leadSurrogate === -1 && this.seqObj === undefined)
+        return; // All clean. Most often case.
+
+    var newBuf = Buffer.alloc(10), j = 0;
+
+    if (this.seqObj) { // We're in the sequence.
+        var dbcsCode = this.seqObj[DEF_CHAR];
+        if (dbcsCode !== undefined) { // Write beginning of the sequence.
+            if (dbcsCode < 0x100) {
+                newBuf[j++] = dbcsCode;
+            }
+            else {
+                newBuf[j++] = dbcsCode >> 8;   // high byte
+                newBuf[j++] = dbcsCode & 0xFF; // low byte
+            }
+        } else {
+            // See todo above.
+        }
+        this.seqObj = undefined;
+    }
+
+    if (this.leadSurrogate !== -1) {
+        // Incomplete surrogate pair - only lead surrogate found.
+        newBuf[j++] = this.defaultCharSingleByte;
+        this.leadSurrogate = -1;
+    }
+    
+    return newBuf.slice(0, j);
+}
+
+// Export for testing
+DBCSEncoder.prototype.findIdx = findIdx;
+
+
+// == Decoder ==================================================================
+
+function DBCSDecoder(options, codec) {
+    // Decoder state
+    this.nodeIdx = 0;
+    this.prevBytes = [];
+
+    // Static data
+    this.decodeTables = codec.decodeTables;
+    this.decodeTableSeq = codec.decodeTableSeq;
+    this.defaultCharUnicode = codec.defaultCharUnicode;
+    this.gb18030 = codec.gb18030;
+}
+
+DBCSDecoder.prototype.write = function(buf) {
+    var newBuf = Buffer.alloc(buf.length*2),
+        nodeIdx = this.nodeIdx, 
+        prevBytes = this.prevBytes, prevOffset = this.prevBytes.length,
+        seqStart = -this.prevBytes.length, // idx of the start of current parsed sequence.
+        uCode;
+
+    for (var i = 0, j = 0; i < buf.length; i++) {
+        var curByte = (i >= 0) ? buf[i] : prevBytes[i + prevOffset];
+
+        // Lookup in current trie node.
+        var uCode = this.decodeTables[nodeIdx][curByte];
+
+        if (uCode >= 0) { 
+            // Normal character, just use it.
+        }
+        else if (uCode === UNASSIGNED) { // Unknown char.
+            // TODO: Callback with seq.
+            uCode = this.defaultCharUnicode.charCodeAt(0);
+            i = seqStart; // Skip one byte ('i' will be incremented by the for loop) and try to parse again.
+        }
+        else if (uCode === GB18030_CODE) {
+            if (i >= 3) {
+                var ptr = (buf[i-3]-0x81)*12600 + (buf[i-2]-0x30)*1260 + (buf[i-1]-0x81)*10 + (curByte-0x30);
+            } else {
+                var ptr = (prevBytes[i-3+prevOffset]-0x81)*12600 + 
+                          (((i-2 >= 0) ? buf[i-2] : prevBytes[i-2+prevOffset])-0x30)*1260 + 
+                          (((i-1 >= 0) ? buf[i-1] : prevBytes[i-1+prevOffset])-0x81)*10 + 
+                          (curByte-0x30);
+            }
+            var idx = findIdx(this.gb18030.gbChars, ptr);
+            uCode = this.gb18030.uChars[idx] + ptr - this.gb18030.gbChars[idx];
+        }
+        else if (uCode <= NODE_START) { // Go to next trie node.
+            nodeIdx = NODE_START - uCode;
+            continue;
+        }
+        else if (uCode <= SEQ_START) { // Output a sequence of chars.
+            var seq = this.decodeTableSeq[SEQ_START - uCode];
+            for (var k = 0; k < seq.length - 1; k++) {
+                uCode = seq[k];
+                newBuf[j++] = uCode & 0xFF;
+                newBuf[j++] = uCode >> 8;
+            }
+            uCode = seq[seq.length-1];
+        }
+        else
+            throw new Error("iconv-lite internal error: invalid decoding table value " + uCode + " at " + nodeIdx + "/" + curByte);
+
+        // Write the character to buffer, handling higher planes using surrogate pair.
+        if (uCode >= 0x10000) { 
+            uCode -= 0x10000;
+            var uCodeLead = 0xD800 | (uCode >> 10);
+            newBuf[j++] = uCodeLead & 0xFF;
+            newBuf[j++] = uCodeLead >> 8;
+
+            uCode = 0xDC00 | (uCode & 0x3FF);
+        }
+        newBuf[j++] = uCode & 0xFF;
+        newBuf[j++] = uCode >> 8;
+
+        // Reset trie node.
+        nodeIdx = 0; seqStart = i+1;
+    }
+
+    this.nodeIdx = nodeIdx;
+    this.prevBytes = (seqStart >= 0)
+        ? Array.prototype.slice.call(buf, seqStart)
+        : prevBytes.slice(seqStart + prevOffset).concat(Array.prototype.slice.call(buf));
+
+    return newBuf.slice(0, j).toString('ucs2');
+}
+
+DBCSDecoder.prototype.end = function() {
+    var ret = '';
+
+    // Try to parse all remaining chars.
+    while (this.prevBytes.length > 0) {
+        // Skip 1 character in the buffer.
+        ret += this.defaultCharUnicode;
+        var bytesArr = this.prevBytes.slice(1);
+
+        // Parse remaining as usual.
+        this.prevBytes = [];
+        this.nodeIdx = 0;
+        if (bytesArr.length > 0)
+            ret += this.write(bytesArr);
+    }
+
+    this.prevBytes = [];
+    this.nodeIdx = 0;
+    return ret;
+}
+
+// Binary search for GB18030. Returns largest i such that table[i] <= val.
+function findIdx(table, val) {
+    if (table[0] > val)
+        return -1;
+
+    var l = 0, r = table.length;
+    while (l < r-1) { // always table[l] <= val < table[r]
+        var mid = l + ((r-l+1) >> 1);
+        if (table[mid] <= val)
+            l = mid;
+        else
+            r = mid;
+    }
+    return l;
+}
+
diff --git a/web/public/node_modules/iconv-lite/encodings/dbcs-data.js b/web/public/node_modules/iconv-lite/encodings/dbcs-data.js
new file mode 100644
index 000000000..0d17e5821
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/dbcs-data.js
@@ -0,0 +1,188 @@
+"use strict";
+
+// Description of supported double byte encodings and aliases.
+// Tables are not require()-d until they are needed to speed up library load.
+// require()-s are direct to support Browserify.
+
+module.exports = {
+    
+    // == Japanese/ShiftJIS ====================================================
+    // All japanese encodings are based on JIS X set of standards:
+    // JIS X 0201 - Single-byte encoding of ASCII + ¥ + Kana chars at 0xA1-0xDF.
+    // JIS X 0208 - Main set of 6879 characters, placed in 94x94 plane, to be encoded by 2 bytes. 
+    //              Has several variations in 1978, 1983, 1990 and 1997.
+    // JIS X 0212 - Supplementary plane of 6067 chars in 94x94 plane. 1990. Effectively dead.
+    // JIS X 0213 - Extension and modern replacement of 0208 and 0212. Total chars: 11233.
+    //              2 planes, first is superset of 0208, second - revised 0212.
+    //              Introduced in 2000, revised 2004. Some characters are in Unicode Plane 2 (0x2xxxx)
+
+    // Byte encodings are:
+    //  * Shift_JIS: Compatible with 0201, uses not defined chars in top half as lead bytes for double-byte
+    //               encoding of 0208. Lead byte ranges: 0x81-0x9F, 0xE0-0xEF; Trail byte ranges: 0x40-0x7E, 0x80-0x9E, 0x9F-0xFC.
+    //               Windows CP932 is a superset of Shift_JIS. Some companies added more chars, notably KDDI.
+    //  * EUC-JP:    Up to 3 bytes per character. Used mostly on *nixes.
+    //               0x00-0x7F       - lower part of 0201
+    //               0x8E, 0xA1-0xDF - upper part of 0201
+    //               (0xA1-0xFE)x2   - 0208 plane (94x94).
+    //               0x8F, (0xA1-0xFE)x2 - 0212 plane (94x94).
+    //  * JIS X 208: 7-bit, direct encoding of 0208. Byte ranges: 0x21-0x7E (94 values). Uncommon.
+    //               Used as-is in ISO2022 family.
+    //  * ISO2022-JP: Stateful encoding, with escape sequences to switch between ASCII, 
+    //                0201-1976 Roman, 0208-1978, 0208-1983.
+    //  * ISO2022-JP-1: Adds esc seq for 0212-1990.
+    //  * ISO2022-JP-2: Adds esc seq for GB2313-1980, KSX1001-1992, ISO8859-1, ISO8859-7.
+    //  * ISO2022-JP-3: Adds esc seq for 0201-1976 Kana set, 0213-2000 Planes 1, 2.
+    //  * ISO2022-JP-2004: Adds 0213-2004 Plane 1.
+    //
+    // After JIS X 0213 appeared, Shift_JIS-2004, EUC-JISX0213 and ISO2022-JP-2004 followed, with just changing the planes.
+    //
+    // Overall, it seems that it's a mess :( http://www8.plala.or.jp/tkubota1/unicode-symbols-map2.html
+
+    'shiftjis': {
+        type: '_dbcs',
+        table: function() { return require('./tables/shiftjis.json') },
+        encodeAdd: {'\u00a5': 0x5C, '\u203E': 0x7E},
+        encodeSkipVals: [{from: 0xED40, to: 0xF940}],
+    },
+    'csshiftjis': 'shiftjis',
+    'mskanji': 'shiftjis',
+    'sjis': 'shiftjis',
+    'windows31j': 'shiftjis',
+    'ms31j': 'shiftjis',
+    'xsjis': 'shiftjis',
+    'windows932': 'shiftjis',
+    'ms932': 'shiftjis',
+    '932': 'shiftjis',
+    'cp932': 'shiftjis',
+
+    'eucjp': {
+        type: '_dbcs',
+        table: function() { return require('./tables/eucjp.json') },
+        encodeAdd: {'\u00a5': 0x5C, '\u203E': 0x7E},
+    },
+
+    // TODO: KDDI extension to Shift_JIS
+    // TODO: IBM CCSID 942 = CP932, but F0-F9 custom chars and other char changes.
+    // TODO: IBM CCSID 943 = Shift_JIS = CP932 with original Shift_JIS lower 128 chars.
+
+
+    // == Chinese/GBK ==========================================================
+    // http://en.wikipedia.org/wiki/GBK
+    // We mostly implement W3C recommendation: https://www.w3.org/TR/encoding/#gbk-encoder
+
+    // Oldest GB2312 (1981, ~7600 chars) is a subset of CP936
+    'gb2312': 'cp936',
+    'gb231280': 'cp936',
+    'gb23121980': 'cp936',
+    'csgb2312': 'cp936',
+    'csiso58gb231280': 'cp936',
+    'euccn': 'cp936',
+
+    // Microsoft's CP936 is a subset and approximation of GBK.
+    'windows936': 'cp936',
+    'ms936': 'cp936',
+    '936': 'cp936',
+    'cp936': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp936.json') },
+    },
+
+    // GBK (~22000 chars) is an extension of CP936 that added user-mapped chars and some other.
+    'gbk': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp936.json').concat(require('./tables/gbk-added.json')) },
+    },
+    'xgbk': 'gbk',
+    'isoir58': 'gbk',
+
+    // GB18030 is an algorithmic extension of GBK.
+    // Main source: https://www.w3.org/TR/encoding/#gbk-encoder
+    // http://icu-project.org/docs/papers/gb18030.html
+    // http://source.icu-project.org/repos/icu/data/trunk/charset/data/xml/gb-18030-2000.xml
+    // http://www.khngai.com/chinese/charmap/tblgbk.php?page=0
+    'gb18030': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp936.json').concat(require('./tables/gbk-added.json')) },
+        gb18030: function() { return require('./tables/gb18030-ranges.json') },
+        encodeSkipVals: [0x80],
+        encodeAdd: {'€': 0xA2E3},
+    },
+
+    'chinese': 'gb18030',
+
+
+    // == Korean ===============================================================
+    // EUC-KR, KS_C_5601 and KS X 1001 are exactly the same.
+    'windows949': 'cp949',
+    'ms949': 'cp949',
+    '949': 'cp949',
+    'cp949': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp949.json') },
+    },
+
+    'cseuckr': 'cp949',
+    'csksc56011987': 'cp949',
+    'euckr': 'cp949',
+    'isoir149': 'cp949',
+    'korean': 'cp949',
+    'ksc56011987': 'cp949',
+    'ksc56011989': 'cp949',
+    'ksc5601': 'cp949',
+
+
+    // == Big5/Taiwan/Hong Kong ================================================
+    // There are lots of tables for Big5 and cp950. Please see the following links for history:
+    // http://moztw.org/docs/big5/  http://www.haible.de/bruno/charsets/conversion-tables/Big5.html
+    // Variations, in roughly number of defined chars:
+    //  * Windows CP 950: Microsoft variant of Big5. Canonical: http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP950.TXT
+    //  * Windows CP 951: Microsoft variant of Big5-HKSCS-2001. Seems to be never public. http://me.abelcheung.org/articles/research/what-is-cp951/
+    //  * Big5-2003 (Taiwan standard) almost superset of cp950.
+    //  * Unicode-at-on (UAO) / Mozilla 1.8. Falling out of use on the Web. Not supported by other browsers.
+    //  * Big5-HKSCS (-2001, -2004, -2008). Hong Kong standard. 
+    //    many unicode code points moved from PUA to Supplementary plane (U+2XXXX) over the years.
+    //    Plus, it has 4 combining sequences.
+    //    Seems that Mozilla refused to support it for 10 yrs. https://bugzilla.mozilla.org/show_bug.cgi?id=162431 https://bugzilla.mozilla.org/show_bug.cgi?id=310299
+    //    because big5-hkscs is the only encoding to include astral characters in non-algorithmic way.
+    //    Implementations are not consistent within browsers; sometimes labeled as just big5.
+    //    MS Internet Explorer switches from big5 to big5-hkscs when a patch applied.
+    //    Great discussion & recap of what's going on https://bugzilla.mozilla.org/show_bug.cgi?id=912470#c31
+    //    In the encoder, it might make sense to support encoding old PUA mappings to Big5 bytes seq-s.
+    //    Official spec: http://www.ogcio.gov.hk/en/business/tech_promotion/ccli/terms/doc/2003cmp_2008.txt
+    //                   http://www.ogcio.gov.hk/tc/business/tech_promotion/ccli/terms/doc/hkscs-2008-big5-iso.txt
+    // 
+    // Current understanding of how to deal with Big5(-HKSCS) is in the Encoding Standard, http://encoding.spec.whatwg.org/#big5-encoder
+    // Unicode mapping (http://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/OTHER/BIG5.TXT) is said to be wrong.
+
+    'windows950': 'cp950',
+    'ms950': 'cp950',
+    '950': 'cp950',
+    'cp950': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp950.json') },
+    },
+
+    // Big5 has many variations and is an extension of cp950. We use Encoding Standard's as a consensus.
+    'big5': 'big5hkscs',
+    'big5hkscs': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp950.json').concat(require('./tables/big5-added.json')) },
+        encodeSkipVals: [
+            // Although Encoding Standard says we should avoid encoding to HKSCS area (See Step 1 of
+            // https://encoding.spec.whatwg.org/#index-big5-pointer), we still do it to increase compatibility with ICU.
+            // But if a single unicode point can be encoded both as HKSCS and regular Big5, we prefer the latter.
+            0x8e69, 0x8e6f, 0x8e7e, 0x8eab, 0x8eb4, 0x8ecd, 0x8ed0, 0x8f57, 0x8f69, 0x8f6e, 0x8fcb, 0x8ffe,
+            0x906d, 0x907a, 0x90c4, 0x90dc, 0x90f1, 0x91bf, 0x92af, 0x92b0, 0x92b1, 0x92b2, 0x92d1, 0x9447, 0x94ca,
+            0x95d9, 0x96fc, 0x9975, 0x9b76, 0x9b78, 0x9b7b, 0x9bc6, 0x9bde, 0x9bec, 0x9bf6, 0x9c42, 0x9c53, 0x9c62,
+            0x9c68, 0x9c6b, 0x9c77, 0x9cbc, 0x9cbd, 0x9cd0, 0x9d57, 0x9d5a, 0x9dc4, 0x9def, 0x9dfb, 0x9ea9, 0x9eef,
+            0x9efd, 0x9f60, 0x9fcb, 0xa077, 0xa0dc, 0xa0df, 0x8fcc, 0x92c8, 0x9644, 0x96ed,
+
+            // Step 2 of https://encoding.spec.whatwg.org/#index-big5-pointer: Use last pointer for U+2550, U+255E, U+2561, U+256A, U+5341, or U+5345
+            0xa2a4, 0xa2a5, 0xa2a7, 0xa2a6, 0xa2cc, 0xa2ce,
+        ],
+    },
+
+    'cnbig5': 'big5hkscs',
+    'csbig5': 'big5hkscs',
+    'xxbig5': 'big5hkscs',
+};
diff --git a/web/public/node_modules/iconv-lite/encodings/index.js b/web/public/node_modules/iconv-lite/encodings/index.js
new file mode 100644
index 000000000..d95c24411
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/index.js
@@ -0,0 +1,23 @@
+"use strict";
+
+// Update this array if you add/rename/remove files in this directory.
+// We support Browserify by skipping automatic module discovery and requiring modules directly.
+var modules = [
+    require("./internal"),
+    require("./utf32"),
+    require("./utf16"),
+    require("./utf7"),
+    require("./sbcs-codec"),
+    require("./sbcs-data"),
+    require("./sbcs-data-generated"),
+    require("./dbcs-codec"),
+    require("./dbcs-data"),
+];
+
+// Put all encoding/alias/codec definitions to single object and export it.
+for (var i = 0; i < modules.length; i++) {
+    var module = modules[i];
+    for (var enc in module)
+        if (Object.prototype.hasOwnProperty.call(module, enc))
+            exports[enc] = module[enc];
+}
diff --git a/web/public/node_modules/iconv-lite/encodings/internal.js b/web/public/node_modules/iconv-lite/encodings/internal.js
new file mode 100644
index 000000000..dc1074f04
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/internal.js
@@ -0,0 +1,198 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Export Node.js internal encodings.
+
+module.exports = {
+    // Encodings
+    utf8:   { type: "_internal", bomAware: true},
+    cesu8:  { type: "_internal", bomAware: true},
+    unicode11utf8: "utf8",
+
+    ucs2:   { type: "_internal", bomAware: true},
+    utf16le: "ucs2",
+
+    binary: { type: "_internal" },
+    base64: { type: "_internal" },
+    hex:    { type: "_internal" },
+
+    // Codec.
+    _internal: InternalCodec,
+};
+
+//------------------------------------------------------------------------------
+
+function InternalCodec(codecOptions, iconv) {
+    this.enc = codecOptions.encodingName;
+    this.bomAware = codecOptions.bomAware;
+
+    if (this.enc === "base64")
+        this.encoder = InternalEncoderBase64;
+    else if (this.enc === "cesu8") {
+        this.enc = "utf8"; // Use utf8 for decoding.
+        this.encoder = InternalEncoderCesu8;
+
+        // Add decoder for versions of Node not supporting CESU-8
+        if (Buffer.from('eda0bdedb2a9', 'hex').toString() !== '💩') {
+            this.decoder = InternalDecoderCesu8;
+            this.defaultCharUnicode = iconv.defaultCharUnicode;
+        }
+    }
+}
+
+InternalCodec.prototype.encoder = InternalEncoder;
+InternalCodec.prototype.decoder = InternalDecoder;
+
+//------------------------------------------------------------------------------
+
+// We use node.js internal decoder. Its signature is the same as ours.
+var StringDecoder = require('string_decoder').StringDecoder;
+
+if (!StringDecoder.prototype.end) // Node v0.8 doesn't have this method.
+    StringDecoder.prototype.end = function() {};
+
+
+function InternalDecoder(options, codec) {
+    this.decoder = new StringDecoder(codec.enc);
+}
+
+InternalDecoder.prototype.write = function(buf) {
+    if (!Buffer.isBuffer(buf)) {
+        buf = Buffer.from(buf);
+    }
+
+    return this.decoder.write(buf);
+}
+
+InternalDecoder.prototype.end = function() {
+    return this.decoder.end();
+}
+
+
+//------------------------------------------------------------------------------
+// Encoder is mostly trivial
+
+function InternalEncoder(options, codec) {
+    this.enc = codec.enc;
+}
+
+InternalEncoder.prototype.write = function(str) {
+    return Buffer.from(str, this.enc);
+}
+
+InternalEncoder.prototype.end = function() {
+}
+
+
+//------------------------------------------------------------------------------
+// Except base64 encoder, which must keep its state.
+
+function InternalEncoderBase64(options, codec) {
+    this.prevStr = '';
+}
+
+InternalEncoderBase64.prototype.write = function(str) {
+    str = this.prevStr + str;
+    var completeQuads = str.length - (str.length % 4);
+    this.prevStr = str.slice(completeQuads);
+    str = str.slice(0, completeQuads);
+
+    return Buffer.from(str, "base64");
+}
+
+InternalEncoderBase64.prototype.end = function() {
+    return Buffer.from(this.prevStr, "base64");
+}
+
+
+//------------------------------------------------------------------------------
+// CESU-8 encoder is also special.
+
+function InternalEncoderCesu8(options, codec) {
+}
+
+InternalEncoderCesu8.prototype.write = function(str) {
+    var buf = Buffer.alloc(str.length * 3), bufIdx = 0;
+    for (var i = 0; i < str.length; i++) {
+        var charCode = str.charCodeAt(i);
+        // Naive implementation, but it works because CESU-8 is especially easy
+        // to convert from UTF-16 (which all JS strings are encoded in).
+        if (charCode < 0x80)
+            buf[bufIdx++] = charCode;
+        else if (charCode < 0x800) {
+            buf[bufIdx++] = 0xC0 + (charCode >>> 6);
+            buf[bufIdx++] = 0x80 + (charCode & 0x3f);
+        }
+        else { // charCode will always be < 0x10000 in javascript.
+            buf[bufIdx++] = 0xE0 + (charCode >>> 12);
+            buf[bufIdx++] = 0x80 + ((charCode >>> 6) & 0x3f);
+            buf[bufIdx++] = 0x80 + (charCode & 0x3f);
+        }
+    }
+    return buf.slice(0, bufIdx);
+}
+
+InternalEncoderCesu8.prototype.end = function() {
+}
+
+//------------------------------------------------------------------------------
+// CESU-8 decoder is not implemented in Node v4.0+
+
+function InternalDecoderCesu8(options, codec) {
+    this.acc = 0;
+    this.contBytes = 0;
+    this.accBytes = 0;
+    this.defaultCharUnicode = codec.defaultCharUnicode;
+}
+
+InternalDecoderCesu8.prototype.write = function(buf) {
+    var acc = this.acc, contBytes = this.contBytes, accBytes = this.accBytes, 
+        res = '';
+    for (var i = 0; i < buf.length; i++) {
+        var curByte = buf[i];
+        if ((curByte & 0xC0) !== 0x80) { // Leading byte
+            if (contBytes > 0) { // Previous code is invalid
+                res += this.defaultCharUnicode;
+                contBytes = 0;
+            }
+
+            if (curByte < 0x80) { // Single-byte code
+                res += String.fromCharCode(curByte);
+            } else if (curByte < 0xE0) { // Two-byte code
+                acc = curByte & 0x1F;
+                contBytes = 1; accBytes = 1;
+            } else if (curByte < 0xF0) { // Three-byte code
+                acc = curByte & 0x0F;
+                contBytes = 2; accBytes = 1;
+            } else { // Four or more are not supported for CESU-8.
+                res += this.defaultCharUnicode;
+            }
+        } else { // Continuation byte
+            if (contBytes > 0) { // We're waiting for it.
+                acc = (acc << 6) | (curByte & 0x3f);
+                contBytes--; accBytes++;
+                if (contBytes === 0) {
+                    // Check for overlong encoding, but support Modified UTF-8 (encoding NULL as C0 80)
+                    if (accBytes === 2 && acc < 0x80 && acc > 0)
+                        res += this.defaultCharUnicode;
+                    else if (accBytes === 3 && acc < 0x800)
+                        res += this.defaultCharUnicode;
+                    else
+                        // Actually add character.
+                        res += String.fromCharCode(acc);
+                }
+            } else { // Unexpected continuation byte
+                res += this.defaultCharUnicode;
+            }
+        }
+    }
+    this.acc = acc; this.contBytes = contBytes; this.accBytes = accBytes;
+    return res;
+}
+
+InternalDecoderCesu8.prototype.end = function() {
+    var res = 0;
+    if (this.contBytes > 0)
+        res += this.defaultCharUnicode;
+    return res;
+}
diff --git a/web/public/node_modules/iconv-lite/encodings/sbcs-codec.js b/web/public/node_modules/iconv-lite/encodings/sbcs-codec.js
new file mode 100644
index 000000000..abac5ffaa
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/sbcs-codec.js
@@ -0,0 +1,72 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Single-byte codec. Needs a 'chars' string parameter that contains 256 or 128 chars that
+// correspond to encoded bytes (if 128 - then lower half is ASCII). 
+
+exports._sbcs = SBCSCodec;
+function SBCSCodec(codecOptions, iconv) {
+    if (!codecOptions)
+        throw new Error("SBCS codec is called without the data.")
+    
+    // Prepare char buffer for decoding.
+    if (!codecOptions.chars || (codecOptions.chars.length !== 128 && codecOptions.chars.length !== 256))
+        throw new Error("Encoding '"+codecOptions.type+"' has incorrect 'chars' (must be of len 128 or 256)");
+    
+    if (codecOptions.chars.length === 128) {
+        var asciiString = "";
+        for (var i = 0; i < 128; i++)
+            asciiString += String.fromCharCode(i);
+        codecOptions.chars = asciiString + codecOptions.chars;
+    }
+
+    this.decodeBuf = Buffer.from(codecOptions.chars, 'ucs2');
+    
+    // Encoding buffer.
+    var encodeBuf = Buffer.alloc(65536, iconv.defaultCharSingleByte.charCodeAt(0));
+
+    for (var i = 0; i < codecOptions.chars.length; i++)
+        encodeBuf[codecOptions.chars.charCodeAt(i)] = i;
+
+    this.encodeBuf = encodeBuf;
+}
+
+SBCSCodec.prototype.encoder = SBCSEncoder;
+SBCSCodec.prototype.decoder = SBCSDecoder;
+
+
+function SBCSEncoder(options, codec) {
+    this.encodeBuf = codec.encodeBuf;
+}
+
+SBCSEncoder.prototype.write = function(str) {
+    var buf = Buffer.alloc(str.length);
+    for (var i = 0; i < str.length; i++)
+        buf[i] = this.encodeBuf[str.charCodeAt(i)];
+    
+    return buf;
+}
+
+SBCSEncoder.prototype.end = function() {
+}
+
+
+function SBCSDecoder(options, codec) {
+    this.decodeBuf = codec.decodeBuf;
+}
+
+SBCSDecoder.prototype.write = function(buf) {
+    // Strings are immutable in JS -> we use ucs2 buffer to speed up computations.
+    var decodeBuf = this.decodeBuf;
+    var newBuf = Buffer.alloc(buf.length*2);
+    var idx1 = 0, idx2 = 0;
+    for (var i = 0; i < buf.length; i++) {
+        idx1 = buf[i]*2; idx2 = i*2;
+        newBuf[idx2] = decodeBuf[idx1];
+        newBuf[idx2+1] = decodeBuf[idx1+1];
+    }
+    return newBuf.toString('ucs2');
+}
+
+SBCSDecoder.prototype.end = function() {
+}
diff --git a/web/public/node_modules/iconv-lite/encodings/sbcs-data-generated.js b/web/public/node_modules/iconv-lite/encodings/sbcs-data-generated.js
new file mode 100644
index 000000000..9b4823607
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/sbcs-data-generated.js
@@ -0,0 +1,451 @@
+"use strict";
+
+// Generated data for sbcs codec. Don't edit manually. Regenerate using generation/gen-sbcs.js script.
+module.exports = {
+  "437": "cp437",
+  "737": "cp737",
+  "775": "cp775",
+  "850": "cp850",
+  "852": "cp852",
+  "855": "cp855",
+  "856": "cp856",
+  "857": "cp857",
+  "858": "cp858",
+  "860": "cp860",
+  "861": "cp861",
+  "862": "cp862",
+  "863": "cp863",
+  "864": "cp864",
+  "865": "cp865",
+  "866": "cp866",
+  "869": "cp869",
+  "874": "windows874",
+  "922": "cp922",
+  "1046": "cp1046",
+  "1124": "cp1124",
+  "1125": "cp1125",
+  "1129": "cp1129",
+  "1133": "cp1133",
+  "1161": "cp1161",
+  "1162": "cp1162",
+  "1163": "cp1163",
+  "1250": "windows1250",
+  "1251": "windows1251",
+  "1252": "windows1252",
+  "1253": "windows1253",
+  "1254": "windows1254",
+  "1255": "windows1255",
+  "1256": "windows1256",
+  "1257": "windows1257",
+  "1258": "windows1258",
+  "28591": "iso88591",
+  "28592": "iso88592",
+  "28593": "iso88593",
+  "28594": "iso88594",
+  "28595": "iso88595",
+  "28596": "iso88596",
+  "28597": "iso88597",
+  "28598": "iso88598",
+  "28599": "iso88599",
+  "28600": "iso885910",
+  "28601": "iso885911",
+  "28603": "iso885913",
+  "28604": "iso885914",
+  "28605": "iso885915",
+  "28606": "iso885916",
+  "windows874": {
+    "type": "_sbcs",
+    "chars": "€����…�����������‘’“”•–—�������� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  },
+  "win874": "windows874",
+  "cp874": "windows874",
+  "windows1250": {
+    "type": "_sbcs",
+    "chars": "€�‚�„…†‡�‰Š‹ŚŤŽŹ�‘’“”•–—�™š›śťžź ˇ˘Ł¤Ą¦§¨©Ş«¬­®Ż°±˛ł´µ¶·¸ąş»Ľ˝ľżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙"
+  },
+  "win1250": "windows1250",
+  "cp1250": "windows1250",
+  "windows1251": {
+    "type": "_sbcs",
+    "chars": "ЂЃ‚ѓ„…†‡€‰Љ‹ЊЌЋЏђ‘’“”•–—�™љ›њќћџ ЎўЈ¤Ґ¦§Ё©Є«¬­®Ї°±Ііґµ¶·ё№є»јЅѕїАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя"
+  },
+  "win1251": "windows1251",
+  "cp1251": "windows1251",
+  "windows1252": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰Š‹Œ�Ž��‘’“”•–—˜™š›œ�žŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "win1252": "windows1252",
+  "cp1252": "windows1252",
+  "windows1253": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡�‰�‹�����‘’“”•–—�™�›���� ΅Ά£¤¥¦§¨©�«¬­®―°±²³΄µ¶·ΈΉΊ»Ό½ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ�ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ�"
+  },
+  "win1253": "windows1253",
+  "cp1253": "windows1253",
+  "windows1254": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰Š‹Œ����‘’“”•–—˜™š›œ��Ÿ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ"
+  },
+  "win1254": "windows1254",
+  "cp1254": "windows1254",
+  "windows1255": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰�‹�����‘’“”•–—˜™�›���� ¡¢£₪¥¦§¨©×«¬­®¯°±²³´µ¶·¸¹÷»¼½¾¿ְֱֲֳִֵֶַָֹֺֻּֽ־ֿ׀ׁׂ׃װױײ׳״�������אבגדהוזחטיךכלםמןנסעףפץצקרשת��‎‏�"
+  },
+  "win1255": "windows1255",
+  "cp1255": "windows1255",
+  "windows1256": {
+    "type": "_sbcs",
+    "chars": "€پ‚ƒ„…†‡ˆ‰ٹ‹Œچژڈگ‘’“”•–—ک™ڑ›œ‌‍ں ،¢£¤¥¦§¨©ھ«¬­®¯°±²³´µ¶·¸¹؛»¼½¾؟ہءآأؤإئابةتثجحخدذرزسشصض×طظعغـفقكàلâمنهوçèéêëىيîïًٌٍَôُِ÷ّùْûü‎‏ے"
+  },
+  "win1256": "windows1256",
+  "cp1256": "windows1256",
+  "windows1257": {
+    "type": "_sbcs",
+    "chars": "€�‚�„…†‡�‰�‹�¨ˇ¸�‘’“”•–—�™�›�¯˛� �¢£¤�¦§Ø©Ŗ«¬­®Æ°±²³´µ¶·ø¹ŗ»¼½¾æĄĮĀĆÄÅĘĒČÉŹĖĢĶĪĻŠŃŅÓŌÕÖ×ŲŁŚŪÜŻŽßąįāćäåęēčéźėģķīļšńņóōõö÷ųłśūüżž˙"
+  },
+  "win1257": "windows1257",
+  "cp1257": "windows1257",
+  "windows1258": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰�‹Œ����‘’“”•–—˜™�›œ��Ÿ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ"
+  },
+  "win1258": "windows1258",
+  "cp1258": "windows1258",
+  "iso88591": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "cp28591": "iso88591",
+  "iso88592": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ą˘Ł¤ĽŚ§¨ŠŞŤŹ­ŽŻ°ą˛ł´ľśˇ¸šşťź˝žżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙"
+  },
+  "cp28592": "iso88592",
+  "iso88593": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ħ˘£¤�Ĥ§¨İŞĞĴ­�Ż°ħ²³´µĥ·¸ışğĵ½�żÀÁÂ�ÄĊĈÇÈÉÊËÌÍÎÏ�ÑÒÓÔĠÖ×ĜÙÚÛÜŬŜßàáâ�äċĉçèéêëìíîï�ñòóôġö÷ĝùúûüŭŝ˙"
+  },
+  "cp28593": "iso88593",
+  "iso88594": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄĸŖ¤ĨĻ§¨ŠĒĢŦ­Ž¯°ą˛ŗ´ĩļˇ¸šēģŧŊžŋĀÁÂÃÄÅÆĮČÉĘËĖÍÎĪĐŅŌĶÔÕÖ×ØŲÚÛÜŨŪßāáâãäåæįčéęëėíîīđņōķôõö÷øųúûüũū˙"
+  },
+  "cp28594": "iso88594",
+  "iso88595": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ЁЂЃЄЅІЇЈЉЊЋЌ­ЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя№ёђѓєѕіїјљњћќ§ўџ"
+  },
+  "cp28595": "iso88595",
+  "iso88596": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ���¤�������،­�������������؛���؟�ءآأؤإئابةتثجحخدذرزسشصضطظعغ�����ـفقكلمنهوىيًٌٍَُِّْ�������������"
+  },
+  "cp28596": "iso88596",
+  "iso88597": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ‘’£€₯¦§¨©ͺ«¬­�―°±²³΄΅Ά·ΈΉΊ»Ό½ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ�ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ�"
+  },
+  "cp28597": "iso88597",
+  "iso88598": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ �¢£¤¥¦§¨©×«¬­®¯°±²³´µ¶·¸¹÷»¼½¾��������������������������������‗אבגדהוזחטיךכלםמןנסעףפץצקרשת��‎‏�"
+  },
+  "cp28598": "iso88598",
+  "iso88599": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ"
+  },
+  "cp28599": "iso88599",
+  "iso885910": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄĒĢĪĨĶ§ĻĐŠŦŽ­ŪŊ°ąēģīĩķ·ļđšŧž―ūŋĀÁÂÃÄÅÆĮČÉĘËĖÍÎÏÐŅŌÓÔÕÖŨØŲÚÛÜÝÞßāáâãäåæįčéęëėíîïðņōóôõöũøųúûüýþĸ"
+  },
+  "cp28600": "iso885910",
+  "iso885911": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  },
+  "cp28601": "iso885911",
+  "iso885913": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ”¢£¤„¦§Ø©Ŗ«¬­®Æ°±²³“µ¶·ø¹ŗ»¼½¾æĄĮĀĆÄÅĘĒČÉŹĖĢĶĪĻŠŃŅÓŌÕÖ×ŲŁŚŪÜŻŽßąįāćäåęēčéźėģķīļšńņóōõö÷ųłśūüżž’"
+  },
+  "cp28603": "iso885913",
+  "iso885914": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ḃḃ£ĊċḊ§Ẁ©ẂḋỲ­®ŸḞḟĠġṀṁ¶ṖẁṗẃṠỳẄẅṡÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏŴÑÒÓÔÕÖṪØÙÚÛÜÝŶßàáâãäåæçèéêëìíîïŵñòóôõöṫøùúûüýŷÿ"
+  },
+  "cp28604": "iso885914",
+  "iso885915": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£€¥Š§š©ª«¬­®¯°±²³Žµ¶·ž¹º»ŒœŸ¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "cp28605": "iso885915",
+  "iso885916": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄąŁ€„Š§š©Ș«Ź­źŻ°±ČłŽ”¶·žčș»ŒœŸżÀÁÂĂÄĆÆÇÈÉÊËÌÍÎÏĐŃÒÓÔŐÖŚŰÙÚÛÜĘȚßàáâăäćæçèéêëìíîïđńòóôőöśűùúûüęțÿ"
+  },
+  "cp28606": "iso885916",
+  "cp437": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm437": "cp437",
+  "csibm437": "cp437",
+  "cp737": {
+    "type": "_sbcs",
+    "chars": "ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρσςτυφχψ░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀ωάέήϊίόύϋώΆΈΉΊΌΎΏ±≥≤ΪΫ÷≈°∙·√ⁿ²■ "
+  },
+  "ibm737": "cp737",
+  "csibm737": "cp737",
+  "cp775": {
+    "type": "_sbcs",
+    "chars": "ĆüéāäģåćłēŖŗīŹÄÅÉæÆōöĢ¢ŚśÖÜø£ØפĀĪóŻżź”¦©®¬½¼Ł«»░▒▓│┤ĄČĘĖ╣║╗╝ĮŠ┐└┴┬├─┼ŲŪ╚╔╩╦╠═╬Žąčęėįšųūž┘┌█▄▌▐▀ÓßŌŃõÕµńĶķĻļņĒŅ’­±“¾¶§÷„°∙·¹³²■ "
+  },
+  "ibm775": "cp775",
+  "csibm775": "cp775",
+  "cp850": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø׃áíóúñѪº¿®¬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ðÐÊËÈıÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµþÞÚÛÙýݯ´­±‗¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm850": "cp850",
+  "csibm850": "cp850",
+  "cp852": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäůćçłëŐőîŹÄĆÉĹĺôöĽľŚśÖÜŤťŁ×čáíóúĄąŽžĘ꬟Ⱥ«»░▒▓│┤ÁÂĚŞ╣║╗╝Żż┐└┴┬├─┼Ăă╚╔╩╦╠═╬¤đĐĎËďŇÍÎě┘┌█▄ŢŮ▀ÓßÔŃńňŠšŔÚŕŰýÝţ´­˝˛ˇ˘§÷¸°¨˙űŘř■ "
+  },
+  "ibm852": "cp852",
+  "csibm852": "cp852",
+  "cp855": {
+    "type": "_sbcs",
+    "chars": "ђЂѓЃёЁєЄѕЅіІїЇјЈљЉњЊћЋќЌўЎџЏюЮъЪаАбБцЦдДеЕфФгГ«»░▒▓│┤хХиИ╣║╗╝йЙ┐└┴┬├─┼кК╚╔╩╦╠═╬¤лЛмМнНоОп┘┌█▄Пя▀ЯрРсСтТуУжЖвВьЬ№­ыЫзЗшШэЭщЩчЧ§■ "
+  },
+  "ibm855": "cp855",
+  "csibm855": "cp855",
+  "cp856": {
+    "type": "_sbcs",
+    "chars": "אבגדהוזחטיךכלםמןנסעףפץצקרשת�£�×����������®¬½¼�«»░▒▓│┤���©╣║╗╝¢¥┐└┴┬├─┼��╚╔╩╦╠═╬¤���������┘┌█▄¦�▀������µ�������¯´­±‗¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm856": "cp856",
+  "csibm856": "cp856",
+  "cp857": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîıÄÅÉæÆôöòûùİÖÜø£ØŞşáíóúñÑĞ𿮬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ºªÊËÈ�ÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµ�×ÚÛÙìÿ¯´­±�¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm857": "cp857",
+  "csibm857": "cp857",
+  "cp858": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø׃áíóúñѪº¿®¬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ðÐÊËÈ€ÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµþÞÚÛÙýݯ´­±‗¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm858": "cp858",
+  "csibm858": "cp858",
+  "cp860": {
+    "type": "_sbcs",
+    "chars": "ÇüéâãàÁçêÊèÍÔìÃÂÉÀÈôõòÚùÌÕÜ¢£Ù₧ÓáíóúñѪº¿Ò¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm860": "cp860",
+  "csibm860": "cp860",
+  "cp861": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèÐðÞÄÅÉæÆôöþûÝýÖÜø£Ø₧ƒáíóúÁÍÓÚ¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm861": "cp861",
+  "csibm861": "cp861",
+  "cp862": {
+    "type": "_sbcs",
+    "chars": "אבגדהוזחטיךכלםמןנסעףפץצקרשת¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm862": "cp862",
+  "csibm862": "cp862",
+  "cp863": {
+    "type": "_sbcs",
+    "chars": "ÇüéâÂà¶çêëèïî‗À§ÉÈÊôËÏûù¤ÔÜ¢£ÙÛƒ¦´óú¨¸³¯Î⌐¬½¼¾«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm863": "cp863",
+  "csibm863": "cp863",
+  "cp864": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$٪&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~°·∙√▒─│┼┤┬├┴┐┌└┘β∞φ±½¼≈«»ﻷﻸ��ﻻﻼ� ­ﺂ£¤ﺄ��ﺎﺏﺕﺙ،ﺝﺡﺥ٠١٢٣٤٥٦٧٨٩ﻑ؛ﺱﺵﺹ؟¢ﺀﺁﺃﺅﻊﺋﺍﺑﺓﺗﺛﺟﺣﺧﺩﺫﺭﺯﺳﺷﺻﺿﻁﻅﻋﻏ¦¬÷×ﻉـﻓﻗﻛﻟﻣﻧﻫﻭﻯﻳﺽﻌﻎﻍﻡﹽّﻥﻩﻬﻰﻲﻐﻕﻵﻶﻝﻙﻱ■�"
+  },
+  "ibm864": "cp864",
+  "csibm864": "cp864",
+  "cp865": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø₧ƒáíóúñѪº¿⌐¬½¼¡«¤░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm865": "cp865",
+  "csibm865": "cp865",
+  "cp866": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№¤■ "
+  },
+  "ibm866": "cp866",
+  "csibm866": "cp866",
+  "cp869": {
+    "type": "_sbcs",
+    "chars": "������Ά�·¬¦‘’Έ―ΉΊΪΌ��ΎΫ©Ώ²³ά£έήίϊΐόύΑΒΓΔΕΖΗ½ΘΙ«»░▒▓│┤ΚΛΜΝ╣║╗╝ΞΟ┐└┴┬├─┼ΠΡ╚╔╩╦╠═╬ΣΤΥΦΧΨΩαβγ┘┌█▄δε▀ζηθικλμνξοπρσςτ΄­±υφχ§ψ΅°¨ωϋΰώ■ "
+  },
+  "ibm869": "cp869",
+  "csibm869": "cp869",
+  "cp922": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®‾°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏŠÑÒÓÔÕÖ×ØÙÚÛÜÝŽßàáâãäåæçèéêëìíîïšñòóôõö÷øùúûüýžÿ"
+  },
+  "ibm922": "cp922",
+  "csibm922": "cp922",
+  "cp1046": {
+    "type": "_sbcs",
+    "chars": "ﺈ×÷ﹱˆ■│─┐┌└┘ﹹﹻﹽﹿﹷﺊﻰﻳﻲﻎﻏﻐﻶﻸﻺﻼ ¤ﺋﺑﺗﺛﺟﺣ،­ﺧﺳ٠١٢٣٤٥٦٧٨٩ﺷ؛ﺻﺿﻊ؟ﻋءآأؤإئابةتثجحخدذرزسشصضطﻇعغﻌﺂﺄﺎﻓـفقكلمنهوىيًٌٍَُِّْﻗﻛﻟﻵﻷﻹﻻﻣﻧﻬﻩ�"
+  },
+  "ibm1046": "cp1046",
+  "csibm1046": "cp1046",
+  "cp1124": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ЁЂҐЄЅІЇЈЉЊЋЌ­ЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя№ёђґєѕіїјљњћќ§ўџ"
+  },
+  "ibm1124": "cp1124",
+  "csibm1124": "cp1124",
+  "cp1125": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёҐґЄєІіЇї·√№¤■ "
+  },
+  "ibm1125": "cp1125",
+  "csibm1125": "cp1125",
+  "cp1129": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§œ©ª«¬­®¯°±²³Ÿµ¶·Œ¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ"
+  },
+  "ibm1129": "cp1129",
+  "csibm1129": "cp1129",
+  "cp1133": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ກຂຄງຈສຊຍດຕຖທນບປຜຝພຟມຢຣລວຫອຮ���ຯະາຳິີຶືຸູຼັົຽ���ເແໂໃໄ່້໊໋໌ໍໆ�ໜໝ₭����������������໐໑໒໓໔໕໖໗໘໙��¢¬¦�"
+  },
+  "ibm1133": "cp1133",
+  "csibm1133": "cp1133",
+  "cp1161": {
+    "type": "_sbcs",
+    "chars": "��������������������������������่กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู้๊๋€฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛¢¬¦ "
+  },
+  "ibm1161": "cp1161",
+  "csibm1161": "cp1161",
+  "cp1162": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  },
+  "ibm1162": "cp1162",
+  "csibm1162": "cp1162",
+  "cp1163": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£€¥¦§œ©ª«¬­®¯°±²³Ÿµ¶·Œ¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ"
+  },
+  "ibm1163": "cp1163",
+  "csibm1163": "cp1163",
+  "maccroatian": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®Š™´¨≠ŽØ∞±≤≥∆µ∂∑∏š∫ªºΩžø¿¡¬√ƒ≈Ć«Č… ÀÃÕŒœĐ—“”‘’÷◊�©⁄¤‹›Æ»–·‚„‰ÂćÁčÈÍÎÏÌÓÔđÒÚÛÙıˆ˜¯πË˚¸Êæˇ"
+  },
+  "maccyrillic": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°¢£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµ∂ЈЄєЇїЉљЊњјЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю¤"
+  },
+  "macgreek": {
+    "type": "_sbcs",
+    "chars": "Ĺ²É³ÖÜ΅àâä΄¨çéèê룙î‰ôö¦­ùûü†ΓΔΘΛΞΠß®©ΣΪ§≠°·Α±≤≥¥ΒΕΖΗΙΚΜΦΫΨΩάΝ¬ΟΡ≈Τ«»… ΥΧΆΈœ–―“”‘’÷ΉΊΌΎέήίόΏύαβψδεφγηιξκλμνοπώρστθωςχυζϊϋΐΰ�"
+  },
+  "maciceland": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûüÝ°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤ÐðÞþý·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macroman": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macromania": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ĂŞ∞±≤≥¥µ∂∑∏π∫ªºΩăş¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›Ţţ‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macthai": {
+    "type": "_sbcs",
+    "chars": "«»…“”�•‘’� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู​–—฿เแโใไๅๆ็่้๊๋์ํ™๏๐๑๒๓๔๕๖๗๘๙®©����"
+  },
+  "macturkish": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸĞğİıŞş‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙ�ˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macukraine": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°Ґ£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµґЈЄєЇїЉљЊњјЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю¤"
+  },
+  "koi8r": {
+    "type": "_sbcs",
+    "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ё╓╔╕╖╗╘╙╚╛╜╝╞╟╠╡Ё╢╣╤╥╦╧╨╩╪╫╬©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "koi8u": {
+    "type": "_sbcs",
+    "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ёє╔ії╗╘╙╚╛ґ╝╞╟╠╡ЁЄ╣ІЇ╦╧╨╩╪Ґ╬©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "koi8ru": {
+    "type": "_sbcs",
+    "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ёє╔ії╗╘╙╚╛ґў╞╟╠╡ЁЄ╣ІЇ╦╧╨╩╪ҐЎ©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "koi8t": {
+    "type": "_sbcs",
+    "chars": "қғ‚Ғ„…†‡�‰ҳ‹ҲҷҶ�Қ‘’“”•–—�™�›�����ӯӮё¤ӣ¦§���«¬­®�°±²Ё�Ӣ¶·�№�»���©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "armscii8": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ �և։)(»«—.՝,-֊…՜՛՞ԱաԲբԳգԴդԵեԶզԷէԸըԹթԺժԻիԼլԽխԾծԿկՀհՁձՂղՃճՄմՅյՆնՇշՈոՉչՊպՋջՌռՍսՎվՏտՐրՑցՒւՓփՔքՕօՖֆ՚�"
+  },
+  "rk1048": {
+    "type": "_sbcs",
+    "chars": "ЂЃ‚ѓ„…†‡€‰Љ‹ЊҚҺЏђ‘’“”•–—�™љ›њқһџ ҰұӘ¤Ө¦§Ё©Ғ«¬­®Ү°±Ііөµ¶·ё№ғ»әҢңүАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя"
+  },
+  "tcvn": {
+    "type": "_sbcs",
+    "chars": "\u0000ÚỤ\u0003ỪỬỮ\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010ỨỰỲỶỸÝỴ\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ÀẢÃÁẠẶẬÈẺẼÉẸỆÌỈĨÍỊÒỎÕÓỌỘỜỞỠỚỢÙỦŨ ĂÂÊÔƠƯĐăâêôơưđẶ̀̀̉̃́àảãáạẲằẳẵắẴẮẦẨẪẤỀặầẩẫấậèỂẻẽéẹềểễếệìỉỄẾỒĩíịòỔỏõóọồổỗốộờởỡớợùỖủũúụừửữứựỳỷỹýỵỐ"
+  },
+  "georgianacademy": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿აბგდევზთიკლმნოპჟრსტუფქღყშჩცძწჭხჯჰჱჲჳჴჵჶçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "georgianps": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿აბგდევზჱთიკლმნჲოპჟრსტჳუფქღყშჩცძწჭხჴჯჰჵæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "pt154": {
+    "type": "_sbcs",
+    "chars": "ҖҒӮғ„…ҶҮҲүҠӢҢҚҺҸҗ‘’“”•–—ҳҷҡӣңқһҹ ЎўЈӨҘҰ§Ё©Ә«¬ӯ®Ҝ°ұІіҙө¶·ё№ә»јҪҫҝАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя"
+  },
+  "viscii": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001Ẳ\u0003\u0004ẴẪ\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013Ỷ\u0015\u0016\u0017\u0018Ỹ\u001a\u001b\u001c\u001dỴ\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ẠẮẰẶẤẦẨẬẼẸẾỀỂỄỆỐỒỔỖỘỢỚỜỞỊỎỌỈỦŨỤỲÕắằặấầẩậẽẹếềểễệốồổỗỠƠộờởịỰỨỪỬơớƯÀÁÂÃẢĂẳẵÈÉÊẺÌÍĨỳĐứÒÓÔạỷừửÙÚỹỵÝỡưàáâãảăữẫèéêẻìíĩỉđựòóôõỏọụùúũủýợỮ"
+  },
+  "iso646cn": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#¥%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}‾��������������������������������������������������������������������������������������������������������������������������������"
+  },
+  "iso646jp": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[¥]^_`abcdefghijklmnopqrstuvwxyz{|}‾��������������������������������������������������������������������������������������������������������������������������������"
+  },
+  "hproman8": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ÀÂÈÊËÎÏ´ˋˆ¨˜ÙÛ₤¯Ýý°ÇçÑñ¡¿¤£¥§ƒ¢âêôûáéóúàèòùäëöüÅîØÆåíøæÄìÖÜÉïßÔÁÃãÐðÍÌÓÒÕõŠšÚŸÿÞþ·µ¶¾—¼½ªº«■»±�"
+  },
+  "macintosh": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "ascii": {
+    "type": "_sbcs",
+    "chars": "��������������������������������������������������������������������������������������������������������������������������������"
+  },
+  "tis620": {
+    "type": "_sbcs",
+    "chars": "���������������������������������กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/encodings/sbcs-data.js b/web/public/node_modules/iconv-lite/encodings/sbcs-data.js
new file mode 100644
index 000000000..066f904e5
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/sbcs-data.js
@@ -0,0 +1,179 @@
+"use strict";
+
+// Manually added data to be used by sbcs codec in addition to generated one.
+
+module.exports = {
+    // Not supported by iconv, not sure why.
+    "10029": "maccenteuro",
+    "maccenteuro": {
+        "type": "_sbcs",
+        "chars": "ÄĀāÉĄÖÜáąČäčĆć鏟ĎíďĒēĖóėôöõúĚěü†°Ę£§•¶ß®©™ę¨≠ģĮįĪ≤≥īĶ∂∑łĻļĽľĹĺŅņѬ√ńŇ∆«»… ňŐÕőŌ–—“”‘’÷◊ōŔŕŘ‹›řŖŗŠ‚„šŚśÁŤťÍŽžŪÓÔūŮÚůŰűŲųÝýķŻŁżĢˇ"
+    },
+
+    "808": "cp808",
+    "ibm808": "cp808",
+    "cp808": {
+        "type": "_sbcs",
+        "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№€■ "
+    },
+
+    "mik": {
+        "type": "_sbcs",
+        "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя└┴┬├─┼╣║╚╔╩╦╠═╬┐░▒▓│┤№§╗╝┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+    },
+
+    "cp720": {
+        "type": "_sbcs",
+        "chars": "\x80\x81éâ\x84à\x86çêëèïî\x8d\x8e\x8f\x90\u0651\u0652ô¤ـûùءآأؤ£إئابةتثجحخدذرزسشص«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀ضطظعغفµقكلمنهوىي≡\u064b\u064c\u064d\u064e\u064f\u0650≈°∙·√ⁿ²■\u00a0"
+    },
+
+    // Aliases of generated encodings.
+    "ascii8bit": "ascii",
+    "usascii": "ascii",
+    "ansix34": "ascii",
+    "ansix341968": "ascii",
+    "ansix341986": "ascii",
+    "csascii": "ascii",
+    "cp367": "ascii",
+    "ibm367": "ascii",
+    "isoir6": "ascii",
+    "iso646us": "ascii",
+    "iso646irv": "ascii",
+    "us": "ascii",
+
+    "latin1": "iso88591",
+    "latin2": "iso88592",
+    "latin3": "iso88593",
+    "latin4": "iso88594",
+    "latin5": "iso88599",
+    "latin6": "iso885910",
+    "latin7": "iso885913",
+    "latin8": "iso885914",
+    "latin9": "iso885915",
+    "latin10": "iso885916",
+
+    "csisolatin1": "iso88591",
+    "csisolatin2": "iso88592",
+    "csisolatin3": "iso88593",
+    "csisolatin4": "iso88594",
+    "csisolatincyrillic": "iso88595",
+    "csisolatinarabic": "iso88596",
+    "csisolatingreek" : "iso88597",
+    "csisolatinhebrew": "iso88598",
+    "csisolatin5": "iso88599",
+    "csisolatin6": "iso885910",
+
+    "l1": "iso88591",
+    "l2": "iso88592",
+    "l3": "iso88593",
+    "l4": "iso88594",
+    "l5": "iso88599",
+    "l6": "iso885910",
+    "l7": "iso885913",
+    "l8": "iso885914",
+    "l9": "iso885915",
+    "l10": "iso885916",
+
+    "isoir14": "iso646jp",
+    "isoir57": "iso646cn",
+    "isoir100": "iso88591",
+    "isoir101": "iso88592",
+    "isoir109": "iso88593",
+    "isoir110": "iso88594",
+    "isoir144": "iso88595",
+    "isoir127": "iso88596",
+    "isoir126": "iso88597",
+    "isoir138": "iso88598",
+    "isoir148": "iso88599",
+    "isoir157": "iso885910",
+    "isoir166": "tis620",
+    "isoir179": "iso885913",
+    "isoir199": "iso885914",
+    "isoir203": "iso885915",
+    "isoir226": "iso885916",
+
+    "cp819": "iso88591",
+    "ibm819": "iso88591",
+
+    "cyrillic": "iso88595",
+
+    "arabic": "iso88596",
+    "arabic8": "iso88596",
+    "ecma114": "iso88596",
+    "asmo708": "iso88596",
+
+    "greek" : "iso88597",
+    "greek8" : "iso88597",
+    "ecma118" : "iso88597",
+    "elot928" : "iso88597",
+
+    "hebrew": "iso88598",
+    "hebrew8": "iso88598",
+
+    "turkish": "iso88599",
+    "turkish8": "iso88599",
+
+    "thai": "iso885911",
+    "thai8": "iso885911",
+
+    "celtic": "iso885914",
+    "celtic8": "iso885914",
+    "isoceltic": "iso885914",
+
+    "tis6200": "tis620",
+    "tis62025291": "tis620",
+    "tis62025330": "tis620",
+
+    "10000": "macroman",
+    "10006": "macgreek",
+    "10007": "maccyrillic",
+    "10079": "maciceland",
+    "10081": "macturkish",
+
+    "cspc8codepage437": "cp437",
+    "cspc775baltic": "cp775",
+    "cspc850multilingual": "cp850",
+    "cspcp852": "cp852",
+    "cspc862latinhebrew": "cp862",
+    "cpgr": "cp869",
+
+    "msee": "cp1250",
+    "mscyrl": "cp1251",
+    "msansi": "cp1252",
+    "msgreek": "cp1253",
+    "msturk": "cp1254",
+    "mshebr": "cp1255",
+    "msarab": "cp1256",
+    "winbaltrim": "cp1257",
+
+    "cp20866": "koi8r",
+    "20866": "koi8r",
+    "ibm878": "koi8r",
+    "cskoi8r": "koi8r",
+
+    "cp21866": "koi8u",
+    "21866": "koi8u",
+    "ibm1168": "koi8u",
+
+    "strk10482002": "rk1048",
+
+    "tcvn5712": "tcvn",
+    "tcvn57121": "tcvn",
+
+    "gb198880": "iso646cn",
+    "cn": "iso646cn",
+
+    "csiso14jisc6220ro": "iso646jp",
+    "jisc62201969ro": "iso646jp",
+    "jp": "iso646jp",
+
+    "cshproman8": "hproman8",
+    "r8": "hproman8",
+    "roman8": "hproman8",
+    "xroman8": "hproman8",
+    "ibm1051": "hproman8",
+
+    "mac": "macintosh",
+    "csmacintosh": "macintosh",
+};
+
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/big5-added.json b/web/public/node_modules/iconv-lite/encodings/tables/big5-added.json
new file mode 100644
index 000000000..3c3d3c2f7
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/big5-added.json
@@ -0,0 +1,122 @@
+[
+["8740","䏰䰲䘃䖦䕸𧉧䵷䖳𧲱䳢𧳅㮕䜶䝄䱇䱀𤊿𣘗𧍒𦺋𧃒䱗𪍑䝏䗚䲅𧱬䴇䪤䚡𦬣爥𥩔𡩣𣸆𣽡晍囻"],
+["8767","綕夝𨮹㷴霴𧯯寛𡵞媤㘥𩺰嫑宷峼杮薓𩥅瑡璝㡵𡵓𣚞𦀡㻬"],
+["87a1","𥣞㫵竼龗𤅡𨤍𣇪𠪊𣉞䌊蒄龖鐯䤰蘓墖靊鈘秐稲晠権袝瑌篅枂稬剏遆㓦珄𥶹瓆鿇垳䤯呌䄱𣚎堘穲𧭥讏䚮𦺈䆁𥶙箮𢒼鿈𢓁𢓉𢓌鿉蔄𣖻䂴鿊䓡𪷿拁灮鿋"],
+["8840","㇀",4,"𠄌㇅𠃑𠃍㇆㇇𠃋𡿨㇈𠃊㇉㇊㇋㇌𠄎㇍㇎ĀÁǍÀĒÉĚÈŌÓǑÒ࿿Ê̄Ế࿿Ê̌ỀÊāáǎàɑēéěèīíǐìōóǒòūúǔùǖǘǚ"],
+["88a1","ǜü࿿ê̄ế࿿ê̌ềêɡ⏚⏛"],
+["8940","𪎩𡅅"],
+["8943","攊"],
+["8946","丽滝鵎釟"],
+["894c","𧜵撑会伨侨兖兴农凤务动医华发变团声处备夲头学实実岚庆总斉柾栄桥济炼电纤纬纺织经统缆缷艺苏药视设询车轧轮"],
+["89a1","琑糼緍楆竉刧"],
+["89ab","醌碸酞肼"],
+["89b0","贋胶𠧧"],
+["89b5","肟黇䳍鷉鸌䰾𩷶𧀎鸊𪄳㗁"],
+["89c1","溚舾甙"],
+["89c5","䤑马骏龙禇𨑬𡷊𠗐𢫦两亁亀亇亿仫伷㑌侽㹈倃傈㑽㒓㒥円夅凛凼刅争剹劐匧㗇厩㕑厰㕓参吣㕭㕲㚁咓咣咴咹哐哯唘唣唨㖘唿㖥㖿嗗㗅"],
+["8a40","𧶄唥"],
+["8a43","𠱂𠴕𥄫喐𢳆㧬𠍁蹆𤶸𩓥䁓𨂾睺𢰸㨴䟕𨅝𦧲𤷪擝𠵼𠾴𠳕𡃴撍蹾𠺖𠰋𠽤𢲩𨉖𤓓"],
+["8a64","𠵆𩩍𨃩䟴𤺧𢳂骲㩧𩗴㿭㔆𥋇𩟔𧣈𢵄鵮頕"],
+["8a76","䏙𦂥撴哣𢵌𢯊𡁷㧻𡁯"],
+["8aa1","𦛚𦜖𧦠擪𥁒𠱃蹨𢆡𨭌𠜱"],
+["8aac","䠋𠆩㿺塳𢶍"],
+["8ab2","𤗈𠓼𦂗𠽌𠶖啹䂻䎺"],
+["8abb","䪴𢩦𡂝膪飵𠶜捹㧾𢝵跀嚡摼㹃"],
+["8ac9","𪘁𠸉𢫏𢳉"],
+["8ace","𡃈𣧂㦒㨆𨊛㕸𥹉𢃇噒𠼱𢲲𩜠㒼氽𤸻"],
+["8adf","𧕴𢺋𢈈𪙛𨳍𠹺𠰴𦠜羓𡃏𢠃𢤹㗻𥇣𠺌𠾍𠺪㾓𠼰𠵇𡅏𠹌"],
+["8af6","𠺫𠮩𠵈𡃀𡄽㿹𢚖搲𠾭"],
+["8b40","𣏴𧘹𢯎𠵾𠵿𢱑𢱕㨘𠺘𡃇𠼮𪘲𦭐𨳒𨶙𨳊閪哌苄喹"],
+["8b55","𩻃鰦骶𧝞𢷮煀腭胬尜𦕲脴㞗卟𨂽醶𠻺𠸏𠹷𠻻㗝𤷫㘉𠳖嚯𢞵𡃉𠸐𠹸𡁸𡅈𨈇𡑕𠹹𤹐𢶤婔𡀝𡀞𡃵𡃶垜𠸑"],
+["8ba1","𧚔𨋍𠾵𠹻𥅾㜃𠾶𡆀𥋘𪊽𤧚𡠺𤅷𨉼墙剨㘚𥜽箲孨䠀䬬鼧䧧鰟鮍𥭴𣄽嗻㗲嚉丨夂𡯁屮靑𠂆乛亻㔾尣彑忄㣺扌攵歺氵氺灬爫丬犭𤣩罒礻糹罓𦉪㓁"],
+["8bde","𦍋耂肀𦘒𦥑卝衤见𧢲讠贝钅镸长门𨸏韦页风飞饣𩠐鱼鸟黄歯龜丷𠂇阝户钢"],
+["8c40","倻淾𩱳龦㷉袏𤅎灷峵䬠𥇍㕙𥴰愢𨨲辧釶熑朙玺𣊁𪄇㲋𡦀䬐磤琂冮𨜏䀉橣𪊺䈣蘏𠩯稪𩥇𨫪靕灍匤𢁾鏴盙𨧣龧矝亣俰傼丯众龨吴綋墒壐𡶶庒庙忂𢜒斋"],
+["8ca1","𣏹椙橃𣱣泿"],
+["8ca7","爀𤔅玌㻛𤨓嬕璹讃𥲤𥚕窓篬糃繬苸薗龩袐龪躹龫迏蕟駠鈡龬𨶹𡐿䁱䊢娚"],
+["8cc9","顨杫䉶圽"],
+["8cce","藖𤥻芿𧄍䲁𦵴嵻𦬕𦾾龭龮宖龯曧繛湗秊㶈䓃𣉖𢞖䎚䔶"],
+["8ce6","峕𣬚諹屸㴒𣕑嵸龲煗䕘𤃬𡸣䱷㥸㑊𠆤𦱁諌侴𠈹妿腬顖𩣺弻"],
+["8d40","𠮟"],
+["8d42","𢇁𨥭䄂䚻𩁹㼇龳𪆵䃸㟖䛷𦱆䅼𨚲𧏿䕭㣔𥒚䕡䔛䶉䱻䵶䗪㿈𤬏㙡䓞䒽䇭崾嵈嵖㷼㠏嶤嶹㠠㠸幂庽弥徃㤈㤔㤿㥍惗愽峥㦉憷憹懏㦸戬抐拥挘㧸嚱"],
+["8da1","㨃揢揻搇摚㩋擀崕嘡龟㪗斆㪽旿晓㫲暒㬢朖㭂枤栀㭘桊梄㭲㭱㭻椉楃牜楤榟榅㮼槖㯝橥橴橱檂㯬檙㯲檫檵櫔櫶殁毁毪汵沪㳋洂洆洦涁㳯涤涱渕渘温溆𨧀溻滢滚齿滨滩漤漴㵆𣽁澁澾㵪㵵熷岙㶊瀬㶑灐灔灯灿炉𠌥䏁㗱𠻘"],
+["8e40","𣻗垾𦻓焾𥟠㙎榢𨯩孴穉𥣡𩓙穥穽𥦬窻窰竂竃燑𦒍䇊竚竝竪䇯咲𥰁笋筕笩𥌎𥳾箢筯莜𥮴𦱿篐萡箒箸𥴠㶭𥱥蒒篺簆簵𥳁籄粃𤢂粦晽𤕸糉糇糦籴糳糵糎"],
+["8ea1","繧䔝𦹄絝𦻖璍綉綫焵綳緒𤁗𦀩緤㴓緵𡟹緥𨍭縝𦄡𦅚繮纒䌫鑬縧罀罁罇礶𦋐駡羗𦍑羣𡙡𠁨䕜𣝦䔃𨌺翺𦒉者耈耝耨耯𪂇𦳃耻耼聡𢜔䦉𦘦𣷣𦛨朥肧𨩈脇脚墰𢛶汿𦒘𤾸擧𡒊舘𡡞橓𤩥𤪕䑺舩𠬍𦩒𣵾俹𡓽蓢荢𦬊𤦧𣔰𡝳𣷸芪椛芳䇛"],
+["8f40","蕋苐茚𠸖𡞴㛁𣅽𣕚艻苢茘𣺋𦶣𦬅𦮗𣗎㶿茝嗬莅䔋𦶥莬菁菓㑾𦻔橗蕚㒖𦹂𢻯葘𥯤葱㷓䓤檧葊𣲵祘蒨𦮖𦹷𦹃蓞萏莑䒠蒓蓤𥲑䉀𥳀䕃蔴嫲𦺙䔧蕳䔖枿蘖"],
+["8fa1","𨘥𨘻藁𧂈蘂𡖂𧃍䕫䕪蘨㙈𡢢号𧎚虾蝱𪃸蟮𢰧螱蟚蠏噡虬桖䘏衅衆𧗠𣶹𧗤衞袜䙛袴袵揁装睷𧜏覇覊覦覩覧覼𨨥觧𧤤𧪽誜瞓釾誐𧩙竩𧬺𣾏䜓𧬸煼謌謟𥐰𥕥謿譌譍誩𤩺讐讛誯𡛟䘕衏貛𧵔𧶏貫㜥𧵓賖𧶘𧶽贒贃𡤐賛灜贑𤳉㻐起"],
+["9040","趩𨀂𡀔𤦊㭼𨆼𧄌竧躭躶軃鋔輙輭𨍥𨐒辥錃𪊟𠩐辳䤪𨧞𨔽𣶻廸𣉢迹𪀔𨚼𨔁𢌥㦀𦻗逷𨔼𧪾遡𨕬𨘋邨𨜓郄𨛦邮都酧㫰醩釄粬𨤳𡺉鈎沟鉁鉢𥖹銹𨫆𣲛𨬌𥗛"],
+["90a1","𠴱錬鍫𨫡𨯫炏嫃𨫢𨫥䥥鉄𨯬𨰹𨯿鍳鑛躼閅閦鐦閠濶䊹𢙺𨛘𡉼𣸮䧟氜陻隖䅬隣𦻕懚隶磵𨫠隽双䦡𦲸𠉴𦐐𩂯𩃥𤫑𡤕𣌊霱虂霶䨏䔽䖅𤫩灵孁霛靜𩇕靗孊𩇫靟鐥僐𣂷𣂼鞉鞟鞱鞾韀韒韠𥑬韮琜𩐳響韵𩐝𧥺䫑頴頳顋顦㬎𧅵㵑𠘰𤅜"],
+["9140","𥜆飊颷飈飇䫿𦴧𡛓喰飡飦飬鍸餹𤨩䭲𩡗𩤅駵騌騻騐驘𥜥㛄𩂱𩯕髠髢𩬅髴䰎鬔鬭𨘀倴鬴𦦨㣃𣁽魐魀𩴾婅𡡣鮎𤉋鰂鯿鰌𩹨鷔𩾷𪆒𪆫𪃡𪄣𪇟鵾鶃𪄴鸎梈"],
+["91a1","鷄𢅛𪆓𪈠𡤻𪈳鴹𪂹𪊴麐麕麞麢䴴麪麯𤍤黁㭠㧥㴝伲㞾𨰫鼂鼈䮖鐤𦶢鼗鼖鼹嚟嚊齅馸𩂋韲葿齢齩竜龎爖䮾𤥵𤦻煷𤧸𤍈𤩑玞𨯚𡣺禟𨥾𨸶鍩鏳𨩄鋬鎁鏋𨥬𤒹爗㻫睲穃烐𤑳𤏸煾𡟯炣𡢾𣖙㻇𡢅𥐯𡟸㜢𡛻𡠹㛡𡝴𡣑𥽋㜣𡛀坛𤨥𡏾𡊨"],
+["9240","𡏆𡒶蔃𣚦蔃葕𤦔𧅥𣸱𥕜𣻻𧁒䓴𣛮𩦝𦼦柹㜳㰕㷧塬𡤢栐䁗𣜿𤃡𤂋𤄏𦰡哋嚞𦚱嚒𠿟𠮨𠸍鏆𨬓鎜仸儫㠙𤐶亼𠑥𠍿佋侊𥙑婨𠆫𠏋㦙𠌊𠐔㐵伩𠋀𨺳𠉵諚𠈌亘"],
+["92a1","働儍侢伃𤨎𣺊佂倮偬傁俌俥偘僼兙兛兝兞湶𣖕𣸹𣺿浲𡢄𣺉冨凃𠗠䓝𠒣𠒒𠒑赺𨪜𠜎剙劤𠡳勡鍮䙺熌𤎌𠰠𤦬𡃤槑𠸝瑹㻞璙琔瑖玘䮎𤪼𤂍叐㖄爏𤃉喴𠍅响𠯆圝鉝雴鍦埝垍坿㘾壋媙𨩆𡛺𡝯𡜐娬妸銏婾嫏娒𥥆𡧳𡡡𤊕㛵洅瑃娡𥺃"],
+["9340","媁𨯗𠐓鏠璌𡌃焅䥲鐈𨧻鎽㞠尞岞幞幈𡦖𡥼𣫮廍孏𡤃𡤄㜁𡢠㛝𡛾㛓脪𨩇𡶺𣑲𨦨弌弎𡤧𡞫婫𡜻孄蘔𧗽衠恾𢡠𢘫忛㺸𢖯𢖾𩂈𦽳懀𠀾𠁆𢘛憙憘恵𢲛𢴇𤛔𩅍"],
+["93a1","摱𤙥𢭪㨩𢬢𣑐𩣪𢹸挷𪑛撶挱揑𤧣𢵧护𢲡搻敫楲㯴𣂎𣊭𤦉𣊫唍𣋠𡣙𩐿曎𣊉𣆳㫠䆐𥖄𨬢𥖏𡛼𥕛𥐥磮𣄃𡠪𣈴㑤𣈏𣆂𤋉暎𦴤晫䮓昰𧡰𡷫晣𣋒𣋡昞𥡲㣑𣠺𣞼㮙𣞢𣏾瓐㮖枏𤘪梶栞㯄檾㡣𣟕𤒇樳橒櫉欅𡤒攑梘橌㯗橺歗𣿀𣲚鎠鋲𨯪𨫋"],
+["9440","銉𨀞𨧜鑧涥漋𤧬浧𣽿㶏渄𤀼娽渊塇洤硂焻𤌚𤉶烱牐犇犔𤞏𤜥兹𤪤𠗫瑺𣻸𣙟𤩊𤤗𥿡㼆㺱𤫟𨰣𣼵悧㻳瓌琼鎇琷䒟𦷪䕑疃㽣𤳙𤴆㽘畕癳𪗆㬙瑨𨫌𤦫𤦎㫻"],
+["94a1","㷍𤩎㻿𤧅𤣳釺圲鍂𨫣𡡤僟𥈡𥇧睸𣈲眎眏睻𤚗𣞁㩞𤣰琸璛㺿𤪺𤫇䃈𤪖𦆮錇𥖁砞碍碈磒珐祙𧝁𥛣䄎禛蒖禥樭𣻺稺秴䅮𡛦䄲鈵秱𠵌𤦌𠊙𣶺𡝮㖗啫㕰㚪𠇔𠰍竢婙𢛵𥪯𥪜娍𠉛磰娪𥯆竾䇹籝籭䈑𥮳𥺼𥺦糍𤧹𡞰粎籼粮檲緜縇緓罎𦉡"],
+["9540","𦅜𧭈綗𥺂䉪𦭵𠤖柖𠁎𣗏埄𦐒𦏸𤥢翝笧𠠬𥫩𥵃笌𥸎駦虅驣樜𣐿㧢𤧷𦖭騟𦖠蒀𧄧𦳑䓪脷䐂胆脉腂𦞴飃𦩂艢艥𦩑葓𦶧蘐𧈛媆䅿𡡀嬫𡢡嫤𡣘蚠蜨𣶏蠭𧐢娂"],
+["95a1","衮佅袇袿裦襥襍𥚃襔𧞅𧞄𨯵𨯙𨮜𨧹㺭蒣䛵䛏㟲訽訜𩑈彍鈫𤊄旔焩烄𡡅鵭貟賩𧷜妚矃姰䍮㛔踪躧𤰉輰轊䋴汘澻𢌡䢛潹溋𡟚鯩㚵𤤯邻邗啱䤆醻鐄𨩋䁢𨫼鐧𨰝𨰻蓥訫閙閧閗閖𨴴瑅㻂𤣿𤩂𤏪㻧𣈥随𨻧𨹦𨹥㻌𤧭𤩸𣿮琒瑫㻼靁𩂰"],
+["9640","桇䨝𩂓𥟟靝鍨𨦉𨰦𨬯𦎾銺嬑譩䤼珹𤈛鞛靱餸𠼦巁𨯅𤪲頟𩓚鋶𩗗釥䓀𨭐𤩧𨭤飜𨩅㼀鈪䤥萔餻饍𧬆㷽馛䭯馪驜𨭥𥣈檏騡嫾騯𩣱䮐𩥈馼䮽䮗鍽塲𡌂堢𤦸"],
+["96a1","𡓨硄𢜟𣶸棅㵽鑘㤧慐𢞁𢥫愇鱏鱓鱻鰵鰐魿鯏𩸭鮟𪇵𪃾鴡䲮𤄄鸘䲰鴌𪆴𪃭𪃳𩤯鶥蒽𦸒𦿟𦮂藼䔳𦶤𦺄𦷰萠藮𦸀𣟗𦁤秢𣖜𣙀䤭𤧞㵢鏛銾鍈𠊿碹鉷鑍俤㑀遤𥕝砽硔碶硋𡝗𣇉𤥁㚚佲濚濙瀞瀞吔𤆵垻壳垊鴖埗焴㒯𤆬燫𦱀𤾗嬨𡞵𨩉"],
+["9740","愌嫎娋䊼𤒈㜬䭻𨧼鎻鎸𡣖𠼝葲𦳀𡐓𤋺𢰦𤏁妔𣶷𦝁綨𦅛𦂤𤦹𤦋𨧺鋥珢㻩璴𨭣𡢟㻡𤪳櫘珳珻㻖𤨾𤪔𡟙𤩦𠎧𡐤𤧥瑈𤤖炥𤥶銄珦鍟𠓾錱𨫎𨨖鎆𨯧𥗕䤵𨪂煫"],
+["97a1","𤥃𠳿嚤𠘚𠯫𠲸唂秄𡟺緾𡛂𤩐𡡒䔮鐁㜊𨫀𤦭妰𡢿𡢃𧒄媡㛢𣵛㚰鉟婹𨪁𡡢鍴㳍𠪴䪖㦊僴㵩㵌𡎜煵䋻𨈘渏𩃤䓫浗𧹏灧沯㳖𣿭𣸭渂漌㵯𠏵畑㚼㓈䚀㻚䡱姄鉮䤾轁𨰜𦯀堒埈㛖𡑒烾𤍢𤩱𢿣𡊰𢎽梹楧𡎘𣓥𧯴𣛟𨪃𣟖𣏺𤲟樚𣚭𦲷萾䓟䓎"],
+["9840","𦴦𦵑𦲂𦿞漗𧄉茽𡜺菭𦲀𧁓𡟛妉媂𡞳婡婱𡤅𤇼㜭姯𡜼㛇熎鎐暚𤊥婮娫𤊓樫𣻹𧜶𤑛𤋊焝𤉙𨧡侰𦴨峂𤓎𧹍𤎽樌𤉖𡌄炦焳𤏩㶥泟勇𤩏繥姫崯㷳彜𤩝𡟟綤萦"],
+["98a1","咅𣫺𣌀𠈔坾𠣕𠘙㿥𡾞𪊶瀃𩅛嵰玏糓𨩙𩐠俈翧狍猐𧫴猸猹𥛶獁獈㺩𧬘遬燵𤣲珡臶㻊県㻑沢国琙琞琟㻢㻰㻴㻺瓓㼎㽓畂畭畲疍㽼痈痜㿀癍㿗癴㿜発𤽜熈嘣覀塩䀝睃䀹条䁅㗛瞘䁪䁯属瞾矋売砘点砜䂨砹硇硑硦葈𥔵礳栃礲䄃"],
+["9940","䄉禑禙辻稆込䅧窑䆲窼艹䇄竏竛䇏両筢筬筻簒簛䉠䉺类粜䊌粸䊔糭输烀𠳏総緔緐緽羮羴犟䎗耠耥笹耮耱联㷌垴炠肷胩䏭脌猪脎脒畠脔䐁㬹腖腙腚"],
+["99a1","䐓堺腼膄䐥膓䐭膥埯臁臤艔䒏芦艶苊苘苿䒰荗险榊萅烵葤惣蒈䔄蒾蓡蓸蔐蔸蕒䔻蕯蕰藠䕷虲蚒蚲蛯际螋䘆䘗袮裿褤襇覑𧥧訩訸誔誴豑賔賲贜䞘塟跃䟭仮踺嗘坔蹱嗵躰䠷軎転軤軭軲辷迁迊迌逳駄䢭飠鈓䤞鈨鉘鉫銱銮銿"],
+["9a40","鋣鋫鋳鋴鋽鍃鎄鎭䥅䥑麿鐗匁鐝鐭鐾䥪鑔鑹锭関䦧间阳䧥枠䨤靀䨵鞲韂噔䫤惨颹䬙飱塄餎餙冴餜餷饂饝饢䭰駅䮝騼鬏窃魩鮁鯝鯱鯴䱭鰠㝯𡯂鵉鰺"],
+["9aa1","黾噐鶓鶽鷀鷼银辶鹻麬麱麽黆铜黢黱黸竈齄𠂔𠊷𠎠椚铃妬𠓗塀铁㞹𠗕𠘕𠙶𡚺块煳𠫂𠫍𠮿呪吆𠯋咞𠯻𠰻𠱓𠱥𠱼惧𠲍噺𠲵𠳝𠳭𠵯𠶲𠷈楕鰯螥𠸄𠸎𠻗𠾐𠼭𠹳尠𠾼帋𡁜𡁏𡁶朞𡁻𡂈𡂖㙇𡂿𡃓𡄯𡄻卤蒭𡋣𡍵𡌶讁𡕷𡘙𡟃𡟇乸炻𡠭𡥪"],
+["9b40","𡨭𡩅𡰪𡱰𡲬𡻈拃𡻕𡼕熘桕𢁅槩㛈𢉼𢏗𢏺𢜪𢡱𢥏苽𢥧𢦓𢫕覥𢫨辠𢬎鞸𢬿顇骽𢱌"],
+["9b62","𢲈𢲷𥯨𢴈𢴒𢶷𢶕𢹂𢽴𢿌𣀳𣁦𣌟𣏞徱晈暿𧩹𣕧𣗳爁𤦺矗𣘚𣜖纇𠍆墵朎"],
+["9ba1","椘𣪧𧙗𥿢𣸑𣺹𧗾𢂚䣐䪸𤄙𨪚𤋮𤌍𤀻𤌴𤎖𤩅𠗊凒𠘑妟𡺨㮾𣳿𤐄𤓖垈𤙴㦛𤜯𨗨𩧉㝢𢇃譞𨭎駖𤠒𤣻𤨕爉𤫀𠱸奥𤺥𤾆𠝹軚𥀬劏圿煱𥊙𥐙𣽊𤪧喼𥑆𥑮𦭒釔㑳𥔿𧘲𥕞䜘𥕢𥕦𥟇𤤿𥡝偦㓻𣏌惞𥤃䝼𨥈𥪮𥮉𥰆𡶐垡煑澶𦄂𧰒遖𦆲𤾚譢𦐂𦑊"],
+["9c40","嵛𦯷輶𦒄𡤜諪𤧶𦒈𣿯𦔒䯀𦖿𦚵𢜛鑥𥟡憕娧晉侻嚹𤔡𦛼乪𤤴陖涏𦲽㘘襷𦞙𦡮𦐑𦡞營𦣇筂𩃀𠨑𦤦鄄𦤹穅鷰𦧺騦𦨭㙟𦑩𠀡禃𦨴𦭛崬𣔙菏𦮝䛐𦲤画补𦶮墶"],
+["9ca1","㜜𢖍𧁋𧇍㱔𧊀𧊅銁𢅺𧊋錰𧋦𤧐氹钟𧑐𠻸蠧裵𢤦𨑳𡞱溸𤨪𡠠㦤㚹尐秣䔿暶𩲭𩢤襃𧟌𧡘囖䃟𡘊㦡𣜯𨃨𡏅熭荦𧧝𩆨婧䲷𧂯𨦫𧧽𧨊𧬋𧵦𤅺筃祾𨀉澵𪋟樃𨌘厢𦸇鎿栶靝𨅯𨀣𦦵𡏭𣈯𨁈嶅𨰰𨂃圕頣𨥉嶫𤦈斾槕叒𤪥𣾁㰑朶𨂐𨃴𨄮𡾡𨅏"],
+["9d40","𨆉𨆯𨈚𨌆𨌯𨎊㗊𨑨𨚪䣺揦𨥖砈鉕𨦸䏲𨧧䏟𨧨𨭆𨯔姸𨰉輋𨿅𩃬筑𩄐𩄼㷷𩅞𤫊运犏嚋𩓧𩗩𩖰𩖸𩜲𩣑𩥉𩥪𩧃𩨨𩬎𩵚𩶛纟𩻸𩼣䲤镇𪊓熢𪋿䶑递𪗋䶜𠲜达嗁"],
+["9da1","辺𢒰边𤪓䔉繿潖檱仪㓤𨬬𧢝㜺躀𡟵𨀤𨭬𨮙𧨾𦚯㷫𧙕𣲷𥘵𥥖亚𥺁𦉘嚿𠹭踎孭𣺈𤲞揞拐𡟶𡡻攰嘭𥱊吚𥌑㷆𩶘䱽嘢嘞罉𥻘奵𣵀蝰东𠿪𠵉𣚺脗鵞贘瘻鱅癎瞹鍅吲腈苷嘥脲萘肽嗪祢噃吖𠺝㗎嘅嗱曱𨋢㘭甴嗰喺咗啲𠱁𠲖廐𥅈𠹶𢱢"],
+["9e40","𠺢麫絚嗞𡁵抝靭咔賍燶酶揼掹揾啩𢭃鱲𢺳冚㓟𠶧冧呍唞唓癦踭𦢊疱肶蠄螆裇膶萜𡃁䓬猄𤜆宐茋𦢓噻𢛴𧴯𤆣𧵳𦻐𧊶酰𡇙鈈𣳼𪚩𠺬𠻹牦𡲢䝎𤿂𧿹𠿫䃺"],
+["9ea1","鱝攟𢶠䣳𤟠𩵼𠿬𠸊恢𧖣𠿭"],
+["9ead","𦁈𡆇熣纎鵐业丄㕷嬍沲卧㚬㧜卽㚥𤘘墚𤭮舭呋垪𥪕𠥹"],
+["9ec5","㩒𢑥獴𩺬䴉鯭𣳾𩼰䱛𤾩𩖞𩿞葜𣶶𧊲𦞳𣜠挮紥𣻷𣸬㨪逈勌㹴㙺䗩𠒎癀嫰𠺶硺𧼮墧䂿噼鮋嵴癔𪐴麅䳡痹㟻愙𣃚𤏲"],
+["9ef5","噝𡊩垧𤥣𩸆刴𧂮㖭汊鵼"],
+["9f40","籖鬹埞𡝬屓擓𩓐𦌵𧅤蚭𠴨𦴢𤫢𠵱"],
+["9f4f","凾𡼏嶎霃𡷑麁遌笟鬂峑箣扨挵髿篏鬪籾鬮籂粆鰕篼鬉鼗鰛𤤾齚啳寃俽麘俲剠㸆勑坧偖妷帒韈鶫轜呩鞴饀鞺匬愰"],
+["9fa1","椬叚鰊鴂䰻陁榀傦畆𡝭駚剳"],
+["9fae","酙隁酜"],
+["9fb2","酑𨺗捿𦴣櫊嘑醎畺抅𠏼獏籰𥰡𣳽"],
+["9fc1","𤤙盖鮝个𠳔莾衂"],
+["9fc9","届槀僭坺刟巵从氱𠇲伹咜哚劚趂㗾弌㗳"],
+["9fdb","歒酼龥鮗頮颴骺麨麄煺笔"],
+["9fe7","毺蠘罸"],
+["9feb","嘠𪙊蹷齓"],
+["9ff0","跔蹏鸜踁抂𨍽踨蹵竓𤩷稾磘泪詧瘇"],
+["a040","𨩚鼦泎蟖痃𪊲硓咢贌狢獱謭猂瓱賫𤪻蘯徺袠䒷"],
+["a055","𡠻𦸅"],
+["a058","詾𢔛"],
+["a05b","惽癧髗鵄鍮鮏蟵"],
+["a063","蠏賷猬霡鮰㗖犲䰇籑饊𦅙慙䰄麖慽"],
+["a073","坟慯抦戹拎㩜懢厪𣏵捤栂㗒"],
+["a0a1","嵗𨯂迚𨸹"],
+["a0a6","僙𡵆礆匲阸𠼻䁥"],
+["a0ae","矾"],
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+["a0d4","覩瑨涹蟁𤀑瓧㷛煶悤憜㳑煢恷"],
+["a0e2","罱𨬭牐惩䭾删㰘𣳇𥻗𧙖𥔱𡥄𡋾𩤃𦷜𧂭峁𦆭𨨏𣙷𠃮𦡆𤼎䕢嬟𦍌齐麦𦉫"],
+["a3c0","␀",31,"␡"],
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+["c740","す",58,"ァアィイ"],
+["c7a1","ゥ",81,"А",5,"ЁЖ",4],
+["c840","Л",26,"ёж",25,"⇧↸↹㇏𠃌乚𠂊刂䒑"],
+["c8a1","龰冈龱𧘇"],
+["c8cd","￢￤＇＂㈱№℡゛゜⺀⺄⺆⺇⺈⺊⺌⺍⺕⺜⺝⺥⺧⺪⺬⺮⺶⺼⺾⻆⻊⻌⻍⻏⻖⻗⻞⻣"],
+["c8f5","ʃɐɛɔɵœøŋʊɪ"],
+["f9fe","￭"],
+["fa40","𠕇鋛𠗟𣿅蕌䊵珯况㙉𤥂𨧤鍄𡧛苮𣳈砼杄拟𤤳𨦪𠊠𦮳𡌅侫𢓭倈𦴩𧪄𣘀𤪱𢔓倩𠍾徤𠎀𠍇滛𠐟偽儁㑺儎顬㝃萖𤦤𠒇兠𣎴兪𠯿𢃼𠋥𢔰𠖎𣈳𡦃宂蝽𠖳𣲙冲冸"],
+["faa1","鴴凉减凑㳜凓𤪦决凢卂凭菍椾𣜭彻刋刦刼劵剗劔効勅簕蕂勠蘍𦬓包𨫞啉滙𣾀𠥔𣿬匳卄𠯢泋𡜦栛珕恊㺪㣌𡛨燝䒢卭却𨚫卾卿𡖖𡘓矦厓𨪛厠厫厮玧𥝲㽙玜叁叅汉义埾叙㪫𠮏叠𣿫𢶣叶𠱷吓灹唫晗浛呭𦭓𠵴啝咏咤䞦𡜍𠻝㶴𠵍"],
+["fb40","𨦼𢚘啇䳭启琗喆喩嘅𡣗𤀺䕒𤐵暳𡂴嘷曍𣊊暤暭噍噏磱囱鞇叾圀囯园𨭦㘣𡉏坆𤆥汮炋坂㚱𦱾埦𡐖堃𡑔𤍣堦𤯵塜墪㕡壠壜𡈼壻寿坃𪅐𤉸鏓㖡够梦㛃湙"],
+["fba1","𡘾娤啓𡚒蔅姉𠵎𦲁𦴪𡟜姙𡟻𡞲𦶦浱𡠨𡛕姹𦹅媫婣㛦𤦩婷㜈媖瑥嫓𦾡𢕔㶅𡤑㜲𡚸広勐孶斈孼𧨎䀄䡝𠈄寕慠𡨴𥧌𠖥寳宝䴐尅𡭄尓珎尔𡲥𦬨屉䣝岅峩峯嶋𡷹𡸷崐崘嵆𡺤岺巗苼㠭𤤁𢁉𢅳芇㠶㯂帮檊幵幺𤒼𠳓厦亷廐厨𡝱帉廴𨒂"],
+["fc40","廹廻㢠廼栾鐛弍𠇁弢㫞䢮𡌺强𦢈𢏐彘𢑱彣鞽𦹮彲鍀𨨶徧嶶㵟𥉐𡽪𧃸𢙨釖𠊞𨨩怱暅𡡷㥣㷇㘹垐𢞴祱㹀悞悤悳𤦂𤦏𧩓璤僡媠慤萤慂慈𦻒憁凴𠙖憇宪𣾷"],
+["fca1","𢡟懓𨮝𩥝懐㤲𢦀𢣁怣慜攞掋𠄘担𡝰拕𢸍捬𤧟㨗搸揸𡎎𡟼撐澊𢸶頔𤂌𥜝擡擥鑻㩦携㩗敍漖𤨨𤨣斅敭敟𣁾斵𤥀䬷旑䃘𡠩无旣忟𣐀昘𣇷𣇸晄𣆤𣆥晋𠹵晧𥇦晳晴𡸽𣈱𨗴𣇈𥌓矅𢣷馤朂𤎜𤨡㬫槺𣟂杞杧杢𤇍𩃭柗䓩栢湐鈼栁𣏦𦶠桝"],
+["fd40","𣑯槡樋𨫟楳棃𣗍椁椀㴲㨁𣘼㮀枬楡𨩊䋼椶榘㮡𠏉荣傐槹𣙙𢄪橅𣜃檝㯳枱櫈𩆜㰍欝𠤣惞欵歴𢟍溵𣫛𠎵𡥘㝀吡𣭚毡𣻼毜氷𢒋𤣱𦭑汚舦汹𣶼䓅𣶽𤆤𤤌𤤀"],
+["fda1","𣳉㛥㳫𠴲鮃𣇹𢒑羏样𦴥𦶡𦷫涖浜湼漄𤥿𤂅𦹲蔳𦽴凇沜渝萮𨬡港𣸯瑓𣾂秌湏媑𣁋濸㜍澝𣸰滺𡒗𤀽䕕鏰潄潜㵎潴𩅰㴻澟𤅄濓𤂑𤅕𤀹𣿰𣾴𤄿凟𤅖𤅗𤅀𦇝灋灾炧炁烌烕烖烟䄄㷨熴熖𤉷焫煅媈煊煮岜𤍥煏鍢𤋁焬𤑚𤨧𤨢熺𨯨炽爎"],
+["fe40","鑂爕夑鑃爤鍁𥘅爮牀𤥴梽牕牗㹕𣁄栍漽犂猪猫𤠣𨠫䣭𨠄猨献珏玪𠰺𦨮珉瑉𤇢𡛧𤨤昣㛅𤦷𤦍𤧻珷琕椃𤨦琹𠗃㻗瑜𢢭瑠𨺲瑇珤瑶莹瑬㜰瑴鏱樬璂䥓𤪌"],
+["fea1","𤅟𤩹𨮏孆𨰃𡢞瓈𡦈甎瓩甞𨻙𡩋寗𨺬鎅畍畊畧畮𤾂㼄𤴓疎瑝疞疴瘂瘬癑癏癯癶𦏵皐臯㟸𦤑𦤎皡皥皷盌𦾟葢𥂝𥅽𡸜眞眦着撯𥈠睘𣊬瞯𨥤𨥨𡛁矴砉𡍶𤨒棊碯磇磓隥礮𥗠磗礴碱𧘌辸袄𨬫𦂃𢘜禆褀椂禀𥡗禝𧬹礼禩渪𧄦㺨秆𩄍秔"]
+]
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/cp936.json b/web/public/node_modules/iconv-lite/encodings/tables/cp936.json
new file mode 100644
index 000000000..49ddb9a1d
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/cp936.json
@@ -0,0 +1,264 @@
+[
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+["f740","鰼",62],
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+["f840","鳣",62],
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+["f940","鵃",62],
+["f980","鶂",32],
+["fa40","鶣",62],
+["fa80","鷢",32],
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+["fb80","麁麃麄麅麆麉麊麌",5,"麔",8,"麞麠",5,"麧麨麩麪"],
+["fc40","麫",8,"麵麶麷麹麺麼麿",4,"黅黆黇黈黊黋黌黐黒黓黕黖黗黙黚點黡黣黤黦黨黫黬黭黮黰",8,"黺黽黿",6],
+["fc80","鼆",4,"鼌鼏鼑鼒鼔鼕鼖鼘鼚",5,"鼡鼣",8,"鼭鼮鼰鼱"],
+["fd40","鼲",4,"鼸鼺鼼鼿",4,"齅",10,"齒",38],
+["fd80","齹",5,"龁龂龍",11,"龜龝龞龡",4,"郎凉秊裏隣"],
+["fe40","兀嗀﨎﨏﨑﨓﨔礼﨟蘒﨡﨣﨤﨧﨨﨩"]
+]
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/cp949.json b/web/public/node_modules/iconv-lite/encodings/tables/cp949.json
new file mode 100644
index 000000000..2022a007f
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/cp949.json
@@ -0,0 +1,273 @@
+[
+["0","\u0000",127],
+["8141","갂갃갅갆갋",4,"갘갞갟갡갢갣갥",6,"갮갲갳갴"],
+["8161","갵갶갷갺갻갽갾갿걁",9,"걌걎",5,"걕"],
+["8181","걖걗걙걚걛걝",18,"걲걳걵걶걹걻",4,"겂겇겈겍겎겏겑겒겓겕",6,"겞겢",5,"겫겭겮겱",6,"겺겾겿곀곂곃곅곆곇곉곊곋곍",7,"곖곘",7,"곢곣곥곦곩곫곭곮곲곴곷",4,"곾곿괁괂괃괅괇",4,"괎괐괒괓"],
+["8241","괔괕괖괗괙괚괛괝괞괟괡",7,"괪괫괮",5],
+["8261","괶괷괹괺괻괽",6,"굆굈굊",5,"굑굒굓굕굖굗"],
+["8281","굙",7,"굢굤",7,"굮굯굱굲굷굸굹굺굾궀궃",4,"궊궋궍궎궏궑",10,"궞",5,"궥",17,"궸",7,"귂귃귅귆귇귉",6,"귒귔",7,"귝귞귟귡귢귣귥",18],
+["8341","귺귻귽귾긂",5,"긊긌긎",5,"긕",7],
+["8361","긝",18,"긲긳긵긶긹긻긼"],
+["8381","긽긾긿깂깄깇깈깉깋깏깑깒깓깕깗",4,"깞깢깣깤깦깧깪깫깭깮깯깱",6,"깺깾",5,"꺆",5,"꺍",46,"꺿껁껂껃껅",6,"껎껒",5,"껚껛껝",8],
+["8441","껦껧껩껪껬껮",5,"껵껶껷껹껺껻껽",8],
+["8461","꼆꼉꼊꼋꼌꼎꼏꼑",18],
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+["8541","꾿꿁",5,"꿊꿌꿏",4,"꿕",6,"꿝",4],
+["8561","꿢",5,"꿪",5,"꿲꿳꿵꿶꿷꿹",6,"뀂뀃"],
+["8581","뀅",6,"뀍뀎뀏뀑뀒뀓뀕",6,"뀞",9,"뀩",26,"끆끇끉끋끍끏끐끑끒끖끘끚끛끜끞",29,"끾끿낁낂낃낅",6,"낎낐낒",5,"낛낝낞낣낤"],
+["8641","낥낦낧낪낰낲낶낷낹낺낻낽",6,"냆냊",5,"냒"],
+["8661","냓냕냖냗냙",6,"냡냢냣냤냦",10],
+["8681","냱",22,"넊넍넎넏넑넔넕넖넗넚넞",4,"넦넧넩넪넫넭",6,"넶넺",5,"녂녃녅녆녇녉",6,"녒녓녖녗녙녚녛녝녞녟녡",22,"녺녻녽녾녿놁놃",4,"놊놌놎놏놐놑놕놖놗놙놚놛놝"],
+["8741","놞",9,"놩",15],
+["8761","놹",18,"뇍뇎뇏뇑뇒뇓뇕"],
+["8781","뇖",5,"뇞뇠",7,"뇪뇫뇭뇮뇯뇱",7,"뇺뇼뇾",5,"눆눇눉눊눍",6,"눖눘눚",5,"눡",18,"눵",6,"눽",26,"뉙뉚뉛뉝뉞뉟뉡",6,"뉪",4],
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+["b081","컖",13,"컦컧컩컪컭",6,"컶컺",5,"가각간갇갈갉갊감",7,"같",4,"갠갤갬갭갯갰갱갸갹갼걀걋걍걔걘걜거걱건걷걸걺검겁것겄겅겆겉겊겋게겐겔겜겝겟겠겡겨격겪견겯결겸겹겻겼경곁계곈곌곕곗고곡곤곧골곪곬곯곰곱곳공곶과곽관괄괆"],
+["b141","켂켃켅켆켇켉",6,"켒켔켖",5,"켝켞켟켡켢켣"],
+["b161","켥",6,"켮켲",5,"켹",11],
+["b181","콅",14,"콖콗콙콚콛콝",6,"콦콨콪콫콬괌괍괏광괘괜괠괩괬괭괴괵괸괼굄굅굇굉교굔굘굡굣구국군굳굴굵굶굻굼굽굿궁궂궈궉권궐궜궝궤궷귀귁귄귈귐귑귓규균귤그극근귿글긁금급긋긍긔기긱긴긷길긺김깁깃깅깆깊까깍깎깐깔깖깜깝깟깠깡깥깨깩깬깰깸"],
+["b241","콭콮콯콲콳콵콶콷콹",6,"쾁쾂쾃쾄쾆",5,"쾍"],
+["b261","쾎",18,"쾢",5,"쾩"],
+["b281","쾪",5,"쾱",18,"쿅",6,"깹깻깼깽꺄꺅꺌꺼꺽꺾껀껄껌껍껏껐껑께껙껜껨껫껭껴껸껼꼇꼈꼍꼐꼬꼭꼰꼲꼴꼼꼽꼿꽁꽂꽃꽈꽉꽐꽜꽝꽤꽥꽹꾀꾄꾈꾐꾑꾕꾜꾸꾹꾼꿀꿇꿈꿉꿋꿍꿎꿔꿜꿨꿩꿰꿱꿴꿸뀀뀁뀄뀌뀐뀔뀜뀝뀨끄끅끈끊끌끎끓끔끕끗끙"],
+["b341","쿌",19,"쿢쿣쿥쿦쿧쿩"],
+["b361","쿪",5,"쿲쿴쿶",5,"쿽쿾쿿퀁퀂퀃퀅",5],
+["b381","퀋",5,"퀒",5,"퀙",19,"끝끼끽낀낄낌낍낏낑나낙낚난낟날낡낢남납낫",4,"낱낳내낵낸낼냄냅냇냈냉냐냑냔냘냠냥너넉넋넌널넒넓넘넙넛넜넝넣네넥넨넬넴넵넷넸넹녀녁년녈념녑녔녕녘녜녠노녹논놀놂놈놉놋농높놓놔놘놜놨뇌뇐뇔뇜뇝"],
+["b441","퀮",5,"퀶퀷퀹퀺퀻퀽",6,"큆큈큊",5],
+["b461","큑큒큓큕큖큗큙",6,"큡",10,"큮큯"],
+["b481","큱큲큳큵",6,"큾큿킀킂",18,"뇟뇨뇩뇬뇰뇹뇻뇽누눅눈눋눌눔눕눗눙눠눴눼뉘뉜뉠뉨뉩뉴뉵뉼늄늅늉느늑는늘늙늚늠늡늣능늦늪늬늰늴니닉닌닐닒님닙닛닝닢다닥닦단닫",4,"닳담답닷",4,"닿대댁댄댈댐댑댓댔댕댜더덕덖던덛덜덞덟덤덥"],
+["b541","킕",14,"킦킧킩킪킫킭",5],
+["b561","킳킶킸킺",5,"탂탃탅탆탇탊",5,"탒탖",4],
+["b581","탛탞탟탡탢탣탥",6,"탮탲",5,"탹",11,"덧덩덫덮데덱덴델뎀뎁뎃뎄뎅뎌뎐뎔뎠뎡뎨뎬도독돈돋돌돎돐돔돕돗동돛돝돠돤돨돼됐되된될됨됩됫됴두둑둔둘둠둡둣둥둬뒀뒈뒝뒤뒨뒬뒵뒷뒹듀듄듈듐듕드득든듣들듦듬듭듯등듸디딕딘딛딜딤딥딧딨딩딪따딱딴딸"],
+["b641","턅",7,"턎",17],
+["b661","턠",15,"턲턳턵턶턷턹턻턼턽턾"],
+["b681","턿텂텆",5,"텎텏텑텒텓텕",6,"텞텠텢",5,"텩텪텫텭땀땁땃땄땅땋때땍땐땔땜땝땟땠땡떠떡떤떨떪떫떰떱떳떴떵떻떼떽뗀뗄뗌뗍뗏뗐뗑뗘뗬또똑똔똘똥똬똴뙈뙤뙨뚜뚝뚠뚤뚫뚬뚱뛔뛰뛴뛸뜀뜁뜅뜨뜩뜬뜯뜰뜸뜹뜻띄띈띌띔띕띠띤띨띰띱띳띵라락란랄람랍랏랐랑랒랖랗"],
+["b741","텮",13,"텽",6,"톅톆톇톉톊"],
+["b761","톋",20,"톢톣톥톦톧"],
+["b781","톩",6,"톲톴톶톷톸톹톻톽톾톿퇁",14,"래랙랜랠램랩랫랬랭랴략랸럇량러럭런럴럼럽럿렀렁렇레렉렌렐렘렙렛렝려력련렬렴렵렷렸령례롄롑롓로록론롤롬롭롯롱롸롼뢍뢨뢰뢴뢸룀룁룃룅료룐룔룝룟룡루룩룬룰룸룹룻룽뤄뤘뤠뤼뤽륀륄륌륏륑류륙륜률륨륩"],
+["b841","퇐",7,"퇙",17],
+["b861","퇫",8,"퇵퇶퇷퇹",13],
+["b881","툈툊",5,"툑",24,"륫륭르륵른를름릅릇릉릊릍릎리릭린릴림립릿링마막만많",4,"맘맙맛망맞맡맣매맥맨맬맴맵맷맸맹맺먀먁먈먕머먹먼멀멂멈멉멋멍멎멓메멕멘멜멤멥멧멨멩며멱면멸몃몄명몇몌모목몫몬몰몲몸몹못몽뫄뫈뫘뫙뫼"],
+["b941","툪툫툮툯툱툲툳툵",6,"툾퉀퉂",5,"퉉퉊퉋퉌"],
+["b961","퉍",14,"퉝",6,"퉥퉦퉧퉨"],
+["b981","퉩",22,"튂튃튅튆튇튉튊튋튌묀묄묍묏묑묘묜묠묩묫무묵묶문묻물묽묾뭄뭅뭇뭉뭍뭏뭐뭔뭘뭡뭣뭬뮈뮌뮐뮤뮨뮬뮴뮷므믄믈믐믓미믹민믿밀밂밈밉밋밌밍및밑바",4,"받",4,"밤밥밧방밭배백밴밸뱀뱁뱃뱄뱅뱉뱌뱍뱐뱝버벅번벋벌벎범법벗"],
+["ba41","튍튎튏튒튓튔튖",5,"튝튞튟튡튢튣튥",6,"튭"],
+["ba61","튮튯튰튲",5,"튺튻튽튾틁틃",4,"틊틌",5],
+["ba81","틒틓틕틖틗틙틚틛틝",6,"틦",9,"틲틳틵틶틷틹틺벙벚베벡벤벧벨벰벱벳벴벵벼벽변별볍볏볐병볕볘볜보복볶본볼봄봅봇봉봐봔봤봬뵀뵈뵉뵌뵐뵘뵙뵤뵨부북분붇불붉붊붐붑붓붕붙붚붜붤붰붸뷔뷕뷘뷜뷩뷰뷴뷸븀븃븅브븍븐블븜븝븟비빅빈빌빎빔빕빗빙빚빛빠빡빤"],
+["bb41","틻",4,"팂팄팆",5,"팏팑팒팓팕팗",4,"팞팢팣"],
+["bb61","팤팦팧팪팫팭팮팯팱",6,"팺팾",5,"퍆퍇퍈퍉"],
+["bb81","퍊",31,"빨빪빰빱빳빴빵빻빼빽뺀뺄뺌뺍뺏뺐뺑뺘뺙뺨뻐뻑뻔뻗뻘뻠뻣뻤뻥뻬뼁뼈뼉뼘뼙뼛뼜뼝뽀뽁뽄뽈뽐뽑뽕뾔뾰뿅뿌뿍뿐뿔뿜뿟뿡쀼쁑쁘쁜쁠쁨쁩삐삑삔삘삠삡삣삥사삭삯산삳살삵삶삼삽삿샀상샅새색샌샐샘샙샛샜생샤"],
+["bc41","퍪",17,"퍾퍿펁펂펃펅펆펇"],
+["bc61","펈펉펊펋펎펒",5,"펚펛펝펞펟펡",6,"펪펬펮"],
+["bc81","펯",4,"펵펶펷펹펺펻펽",6,"폆폇폊",5,"폑",5,"샥샨샬샴샵샷샹섀섄섈섐섕서",4,"섣설섦섧섬섭섯섰성섶세섹센셀셈셉셋셌셍셔셕션셜셤셥셧셨셩셰셴셸솅소속솎손솔솖솜솝솟송솥솨솩솬솰솽쇄쇈쇌쇔쇗쇘쇠쇤쇨쇰쇱쇳쇼쇽숀숄숌숍숏숑수숙순숟술숨숩숫숭"],
+["bd41","폗폙",7,"폢폤",7,"폮폯폱폲폳폵폶폷"],
+["bd61","폸폹폺폻폾퐀퐂",5,"퐉",13],
+["bd81","퐗",5,"퐞",25,"숯숱숲숴쉈쉐쉑쉔쉘쉠쉥쉬쉭쉰쉴쉼쉽쉿슁슈슉슐슘슛슝스슥슨슬슭슴습슷승시식신싣실싫심십싯싱싶싸싹싻싼쌀쌈쌉쌌쌍쌓쌔쌕쌘쌜쌤쌥쌨쌩썅써썩썬썰썲썸썹썼썽쎄쎈쎌쏀쏘쏙쏜쏟쏠쏢쏨쏩쏭쏴쏵쏸쐈쐐쐤쐬쐰"],
+["be41","퐸",7,"푁푂푃푅",14],
+["be61","푔",7,"푝푞푟푡푢푣푥",7,"푮푰푱푲"],
+["be81","푳",4,"푺푻푽푾풁풃",4,"풊풌풎",5,"풕",8,"쐴쐼쐽쑈쑤쑥쑨쑬쑴쑵쑹쒀쒔쒜쒸쒼쓩쓰쓱쓴쓸쓺쓿씀씁씌씐씔씜씨씩씬씰씸씹씻씽아악안앉않알앍앎앓암압앗았앙앝앞애액앤앨앰앱앳앴앵야약얀얄얇얌얍얏양얕얗얘얜얠얩어억언얹얻얼얽얾엄",6,"엌엎"],
+["bf41","풞",10,"풪",14],
+["bf61","풹",18,"퓍퓎퓏퓑퓒퓓퓕"],
+["bf81","퓖",5,"퓝퓞퓠",7,"퓩퓪퓫퓭퓮퓯퓱",6,"퓹퓺퓼에엑엔엘엠엡엣엥여역엮연열엶엷염",5,"옅옆옇예옌옐옘옙옛옜오옥온올옭옮옰옳옴옵옷옹옻와왁완왈왐왑왓왔왕왜왝왠왬왯왱외왹왼욀욈욉욋욍요욕욘욜욤욥욧용우욱운울욹욺움웁웃웅워웍원월웜웝웠웡웨"],
+["c041","퓾",5,"픅픆픇픉픊픋픍",6,"픖픘",5],
+["c061","픞",25],
+["c081","픸픹픺픻픾픿핁핂핃핅",6,"핎핐핒",5,"핚핛핝핞핟핡핢핣웩웬웰웸웹웽위윅윈윌윔윕윗윙유육윤율윰윱윳융윷으윽은을읊음읍읏응",7,"읜읠읨읫이익인일읽읾잃임입잇있잉잊잎자작잔잖잗잘잚잠잡잣잤장잦재잭잰잴잼잽잿쟀쟁쟈쟉쟌쟎쟐쟘쟝쟤쟨쟬저적전절젊"],
+["c141","핤핦핧핪핬핮",5,"핶핷핹핺핻핽",6,"햆햊햋"],
+["c161","햌햍햎햏햑",19,"햦햧"],
+["c181","햨",31,"점접젓정젖제젝젠젤젬젭젯젱져젼졀졈졉졌졍졔조족존졸졺좀좁좃종좆좇좋좌좍좔좝좟좡좨좼좽죄죈죌죔죕죗죙죠죡죤죵주죽준줄줅줆줌줍줏중줘줬줴쥐쥑쥔쥘쥠쥡쥣쥬쥰쥴쥼즈즉즌즐즘즙즛증지직진짇질짊짐집짓"],
+["c241","헊헋헍헎헏헑헓",4,"헚헜헞",5,"헦헧헩헪헫헭헮"],
+["c261","헯",4,"헶헸헺",5,"혂혃혅혆혇혉",6,"혒"],
+["c281","혖",5,"혝혞혟혡혢혣혥",7,"혮",9,"혺혻징짖짙짚짜짝짠짢짤짧짬짭짯짰짱째짹짼쨀쨈쨉쨋쨌쨍쨔쨘쨩쩌쩍쩐쩔쩜쩝쩟쩠쩡쩨쩽쪄쪘쪼쪽쫀쫄쫌쫍쫏쫑쫓쫘쫙쫠쫬쫴쬈쬐쬔쬘쬠쬡쭁쭈쭉쭌쭐쭘쭙쭝쭤쭸쭹쮜쮸쯔쯤쯧쯩찌찍찐찔찜찝찡찢찧차착찬찮찰참찹찻"],
+["c341","혽혾혿홁홂홃홄홆홇홊홌홎홏홐홒홓홖홗홙홚홛홝",4],
+["c361","홢",4,"홨홪",5,"홲홳홵",11],
+["c381","횁횂횄횆",5,"횎횏횑횒횓횕",7,"횞횠횢",5,"횩횪찼창찾채책챈챌챔챕챗챘챙챠챤챦챨챰챵처척천철첨첩첫첬청체첵첸첼쳄쳅쳇쳉쳐쳔쳤쳬쳰촁초촉촌촐촘촙촛총촤촨촬촹최쵠쵤쵬쵭쵯쵱쵸춈추축춘출춤춥춧충춰췄췌췐취췬췰췸췹췻췽츄츈츌츔츙츠측츤츨츰츱츳층"],
+["c441","횫횭횮횯횱",7,"횺횼",7,"훆훇훉훊훋"],
+["c461","훍훎훏훐훒훓훕훖훘훚",5,"훡훢훣훥훦훧훩",4],
+["c481","훮훯훱훲훳훴훶",5,"훾훿휁휂휃휅",11,"휒휓휔치칙친칟칠칡침칩칫칭카칵칸칼캄캅캇캉캐캑캔캘캠캡캣캤캥캬캭컁커컥컨컫컬컴컵컷컸컹케켁켄켈켐켑켓켕켜켠켤켬켭켯켰켱켸코콕콘콜콤콥콧콩콰콱콴콸쾀쾅쾌쾡쾨쾰쿄쿠쿡쿤쿨쿰쿱쿳쿵쿼퀀퀄퀑퀘퀭퀴퀵퀸퀼"],
+["c541","휕휖휗휚휛휝휞휟휡",6,"휪휬휮",5,"휶휷휹"],
+["c561","휺휻휽",6,"흅흆흈흊",5,"흒흓흕흚",4],
+["c581","흟흢흤흦흧흨흪흫흭흮흯흱흲흳흵",6,"흾흿힀힂",5,"힊힋큄큅큇큉큐큔큘큠크큭큰클큼큽킁키킥킨킬킴킵킷킹타탁탄탈탉탐탑탓탔탕태택탠탤탬탭탯탰탱탸턍터턱턴털턺텀텁텃텄텅테텍텐텔템텝텟텡텨텬텼톄톈토톡톤톨톰톱톳통톺톼퇀퇘퇴퇸툇툉툐투툭툰툴툼툽툿퉁퉈퉜"],
+["c641","힍힎힏힑",6,"힚힜힞",5],
+["c6a1","퉤튀튁튄튈튐튑튕튜튠튤튬튱트특튼튿틀틂틈틉틋틔틘틜틤틥티틱틴틸팀팁팃팅파팍팎판팔팖팜팝팟팠팡팥패팩팬팰팸팹팻팼팽퍄퍅퍼퍽펀펄펌펍펏펐펑페펙펜펠펨펩펫펭펴편펼폄폅폈평폐폘폡폣포폭폰폴폼폽폿퐁"],
+["c7a1","퐈퐝푀푄표푠푤푭푯푸푹푼푿풀풂품풉풋풍풔풩퓌퓐퓔퓜퓟퓨퓬퓰퓸퓻퓽프픈플픔픕픗피픽핀필핌핍핏핑하학한할핥함합핫항해핵핸핼햄햅햇했행햐향허헉헌헐헒험헙헛헝헤헥헨헬헴헵헷헹혀혁현혈혐협혓혔형혜혠"],
+["c8a1","혤혭호혹혼홀홅홈홉홋홍홑화확환활홧황홰홱홴횃횅회획횐횔횝횟횡효횬횰횹횻후훅훈훌훑훔훗훙훠훤훨훰훵훼훽휀휄휑휘휙휜휠휨휩휫휭휴휵휸휼흄흇흉흐흑흔흖흗흘흙흠흡흣흥흩희흰흴흼흽힁히힉힌힐힘힙힛힝"],
+["caa1","伽佳假價加可呵哥嘉嫁家暇架枷柯歌珂痂稼苛茄街袈訶賈跏軻迦駕刻却各恪慤殼珏脚覺角閣侃刊墾奸姦干幹懇揀杆柬桿澗癎看磵稈竿簡肝艮艱諫間乫喝曷渴碣竭葛褐蝎鞨勘坎堪嵌感憾戡敢柑橄減甘疳監瞰紺邯鑑鑒龕"],
+["cba1","匣岬甲胛鉀閘剛堈姜岡崗康强彊慷江畺疆糠絳綱羌腔舡薑襁講鋼降鱇介价個凱塏愷愾慨改槪漑疥皆盖箇芥蓋豈鎧開喀客坑更粳羹醵倨去居巨拒据據擧渠炬祛距踞車遽鉅鋸乾件健巾建愆楗腱虔蹇鍵騫乞傑杰桀儉劍劒檢"],
+["cca1","瞼鈐黔劫怯迲偈憩揭擊格檄激膈覡隔堅牽犬甄絹繭肩見譴遣鵑抉決潔結缺訣兼慊箝謙鉗鎌京俓倞傾儆勁勍卿坰境庚徑慶憬擎敬景暻更梗涇炅烱璟璥瓊痙硬磬竟競絅經耕耿脛莖警輕逕鏡頃頸驚鯨係啓堺契季屆悸戒桂械"],
+["cda1","棨溪界癸磎稽系繫繼計誡谿階鷄古叩告呱固姑孤尻庫拷攷故敲暠枯槁沽痼皐睾稿羔考股膏苦苽菰藁蠱袴誥賈辜錮雇顧高鼓哭斛曲梏穀谷鵠困坤崑昆梱棍滾琨袞鯤汨滑骨供公共功孔工恐恭拱控攻珙空蚣貢鞏串寡戈果瓜"],
+["cea1","科菓誇課跨過鍋顆廓槨藿郭串冠官寬慣棺款灌琯瓘管罐菅觀貫關館刮恝括适侊光匡壙廣曠洸炚狂珖筐胱鑛卦掛罫乖傀塊壞怪愧拐槐魁宏紘肱轟交僑咬喬嬌嶠巧攪敎校橋狡皎矯絞翹膠蕎蛟較轎郊餃驕鮫丘久九仇俱具勾"],
+["cfa1","區口句咎嘔坵垢寇嶇廐懼拘救枸柩構歐毆毬求溝灸狗玖球瞿矩究絿耉臼舅舊苟衢謳購軀逑邱鉤銶駒驅鳩鷗龜國局菊鞠鞫麴君窘群裙軍郡堀屈掘窟宮弓穹窮芎躬倦券勸卷圈拳捲權淃眷厥獗蕨蹶闕机櫃潰詭軌饋句晷歸貴"],
+["d0a1","鬼龜叫圭奎揆槻珪硅窺竅糾葵規赳逵閨勻均畇筠菌鈞龜橘克剋劇戟棘極隙僅劤勤懃斤根槿瑾筋芹菫覲謹近饉契今妗擒昑檎琴禁禽芩衾衿襟金錦伋及急扱汲級給亘兢矜肯企伎其冀嗜器圻基埼夔奇妓寄岐崎己幾忌技旗旣"],
+["d1a1","朞期杞棋棄機欺氣汽沂淇玘琦琪璂璣畸畿碁磯祁祇祈祺箕紀綺羈耆耭肌記譏豈起錡錤飢饑騎騏驥麒緊佶吉拮桔金喫儺喇奈娜懦懶拏拿癩",5,"那樂",4,"諾酪駱亂卵暖欄煖爛蘭難鸞捏捺南嵐枏楠湳濫男藍襤拉"],
+["d2a1","納臘蠟衲囊娘廊",4,"乃來內奈柰耐冷女年撚秊念恬拈捻寧寗努勞奴弩怒擄櫓爐瑙盧",5,"駑魯",10,"濃籠聾膿農惱牢磊腦賂雷尿壘",7,"嫩訥杻紐勒",5,"能菱陵尼泥匿溺多茶"],
+["d3a1","丹亶但單團壇彖斷旦檀段湍短端簞緞蛋袒鄲鍛撻澾獺疸達啖坍憺擔曇淡湛潭澹痰聃膽蕁覃談譚錟沓畓答踏遝唐堂塘幢戇撞棠當糖螳黨代垈坮大對岱帶待戴擡玳臺袋貸隊黛宅德悳倒刀到圖堵塗導屠島嶋度徒悼挑掉搗桃"],
+["d4a1","棹櫂淘渡滔濤燾盜睹禱稻萄覩賭跳蹈逃途道都鍍陶韜毒瀆牘犢獨督禿篤纛讀墩惇敦旽暾沌焞燉豚頓乭突仝冬凍動同憧東桐棟洞潼疼瞳童胴董銅兜斗杜枓痘竇荳讀豆逗頭屯臀芚遁遯鈍得嶝橙燈登等藤謄鄧騰喇懶拏癩羅"],
+["d5a1","蘿螺裸邏樂洛烙珞絡落諾酪駱丹亂卵欄欒瀾爛蘭鸞剌辣嵐擥攬欖濫籃纜藍襤覽拉臘蠟廊朗浪狼琅瑯螂郞來崍徠萊冷掠略亮倆兩凉梁樑粮粱糧良諒輛量侶儷勵呂廬慮戾旅櫚濾礪藜蠣閭驢驪麗黎力曆歷瀝礫轢靂憐戀攣漣"],
+["d6a1","煉璉練聯蓮輦連鍊冽列劣洌烈裂廉斂殮濂簾獵令伶囹寧岺嶺怜玲笭羚翎聆逞鈴零靈領齡例澧禮醴隷勞怒撈擄櫓潞瀘爐盧老蘆虜路輅露魯鷺鹵碌祿綠菉錄鹿麓論壟弄朧瀧瓏籠聾儡瀨牢磊賂賚賴雷了僚寮廖料燎療瞭聊蓼"],
+["d7a1","遼鬧龍壘婁屢樓淚漏瘻累縷蔞褸鏤陋劉旒柳榴流溜瀏琉瑠留瘤硫謬類六戮陸侖倫崙淪綸輪律慄栗率隆勒肋凜凌楞稜綾菱陵俚利厘吏唎履悧李梨浬犁狸理璃異痢籬罹羸莉裏裡里釐離鯉吝潾燐璘藺躪隣鱗麟林淋琳臨霖砬"],
+["d8a1","立笠粒摩瑪痲碼磨馬魔麻寞幕漠膜莫邈万卍娩巒彎慢挽晩曼滿漫灣瞞萬蔓蠻輓饅鰻唜抹末沫茉襪靺亡妄忘忙望網罔芒茫莽輞邙埋妹媒寐昧枚梅每煤罵買賣邁魅脈貊陌驀麥孟氓猛盲盟萌冪覓免冕勉棉沔眄眠綿緬面麵滅"],
+["d9a1","蔑冥名命明暝椧溟皿瞑茗蓂螟酩銘鳴袂侮冒募姆帽慕摸摹暮某模母毛牟牡瑁眸矛耗芼茅謀謨貌木沐牧目睦穆鶩歿沒夢朦蒙卯墓妙廟描昴杳渺猫竗苗錨務巫憮懋戊拇撫无楙武毋無珷畝繆舞茂蕪誣貿霧鵡墨默們刎吻問文"],
+["daa1","汶紊紋聞蚊門雯勿沕物味媚尾嵋彌微未梶楣渼湄眉米美薇謎迷靡黴岷悶愍憫敏旻旼民泯玟珉緡閔密蜜謐剝博拍搏撲朴樸泊珀璞箔粕縛膊舶薄迫雹駁伴半反叛拌搬攀斑槃泮潘班畔瘢盤盼磐磻礬絆般蟠返頒飯勃拔撥渤潑"],
+["dba1","發跋醱鉢髮魃倣傍坊妨尨幇彷房放方旁昉枋榜滂磅紡肪膀舫芳蒡蚌訪謗邦防龐倍俳北培徘拜排杯湃焙盃背胚裴裵褙賠輩配陪伯佰帛柏栢白百魄幡樊煩燔番磻繁蕃藩飜伐筏罰閥凡帆梵氾汎泛犯範范法琺僻劈壁擘檗璧癖"],
+["dca1","碧蘗闢霹便卞弁變辨辯邊別瞥鱉鼈丙倂兵屛幷昞昺柄棅炳甁病秉竝輧餠騈保堡報寶普步洑湺潽珤甫菩補褓譜輔伏僕匐卜宓復服福腹茯蔔複覆輹輻馥鰒本乶俸奉封峯峰捧棒烽熢琫縫蓬蜂逢鋒鳳不付俯傅剖副否咐埠夫婦"],
+["dda1","孚孵富府復扶敷斧浮溥父符簿缶腐腑膚艀芙莩訃負賦賻赴趺部釜阜附駙鳧北分吩噴墳奔奮忿憤扮昐汾焚盆粉糞紛芬賁雰不佛弗彿拂崩朋棚硼繃鵬丕備匕匪卑妃婢庇悲憊扉批斐枇榧比毖毗毘沸泌琵痺砒碑秕秘粃緋翡肥"],
+["dea1","脾臂菲蜚裨誹譬費鄙非飛鼻嚬嬪彬斌檳殯浜濱瀕牝玭貧賓頻憑氷聘騁乍事些仕伺似使俟僿史司唆嗣四士奢娑寫寺射巳師徙思捨斜斯柶査梭死沙泗渣瀉獅砂社祀祠私篩紗絲肆舍莎蓑蛇裟詐詞謝賜赦辭邪飼駟麝削數朔索"],
+["dfa1","傘刪山散汕珊産疝算蒜酸霰乷撒殺煞薩三參杉森渗芟蔘衫揷澁鈒颯上傷像償商喪嘗孀尙峠常床庠廂想桑橡湘爽牀狀相祥箱翔裳觴詳象賞霜塞璽賽嗇塞穡索色牲生甥省笙墅壻嶼序庶徐恕抒捿敍暑曙書栖棲犀瑞筮絮緖署"],
+["e0a1","胥舒薯西誓逝鋤黍鼠夕奭席惜昔晳析汐淅潟石碩蓆釋錫仙僊先善嬋宣扇敾旋渲煽琁瑄璇璿癬禪線繕羨腺膳船蘚蟬詵跣選銑鐥饍鮮卨屑楔泄洩渫舌薛褻設說雪齧剡暹殲纖蟾贍閃陝攝涉燮葉城姓宬性惺成星晟猩珹盛省筬"],
+["e1a1","聖聲腥誠醒世勢歲洗稅笹細說貰召嘯塑宵小少巢所掃搔昭梳沼消溯瀟炤燒甦疏疎瘙笑篠簫素紹蔬蕭蘇訴逍遡邵銷韶騷俗屬束涑粟續謖贖速孫巽損蓀遜飡率宋悚松淞訟誦送頌刷殺灑碎鎖衰釗修受嗽囚垂壽嫂守岫峀帥愁"],
+["e2a1","戍手授搜收數樹殊水洙漱燧狩獸琇璲瘦睡秀穗竪粹綏綬繡羞脩茱蒐蓚藪袖誰讐輸遂邃酬銖銹隋隧隨雖需須首髓鬚叔塾夙孰宿淑潚熟琡璹肅菽巡徇循恂旬栒楯橓殉洵淳珣盾瞬筍純脣舜荀蓴蕣詢諄醇錞順馴戌術述鉥崇崧"],
+["e3a1","嵩瑟膝蝨濕拾習褶襲丞乘僧勝升承昇繩蠅陞侍匙嘶始媤尸屎屍市弑恃施是時枾柴猜矢示翅蒔蓍視試詩諡豕豺埴寔式息拭植殖湜熄篒蝕識軾食飾伸侁信呻娠宸愼新晨燼申神紳腎臣莘薪藎蜃訊身辛辰迅失室實悉審尋心沁"],
+["e4a1","沈深瀋甚芯諶什十拾雙氏亞俄兒啞娥峨我牙芽莪蛾衙訝阿雅餓鴉鵝堊岳嶽幄惡愕握樂渥鄂鍔顎鰐齷安岸按晏案眼雁鞍顔鮟斡謁軋閼唵岩巖庵暗癌菴闇壓押狎鴨仰央怏昻殃秧鴦厓哀埃崖愛曖涯碍艾隘靄厄扼掖液縊腋額"],
+["e5a1","櫻罌鶯鸚也倻冶夜惹揶椰爺耶若野弱掠略約若葯蒻藥躍亮佯兩凉壤孃恙揚攘敭暘梁楊樣洋瀁煬痒瘍禳穰糧羊良襄諒讓釀陽量養圄御於漁瘀禦語馭魚齬億憶抑檍臆偃堰彦焉言諺孼蘖俺儼嚴奄掩淹嶪業円予余勵呂女如廬"],
+["e6a1","旅歟汝濾璵礖礪與艅茹輿轝閭餘驪麗黎亦力域役易曆歷疫繹譯轢逆驛嚥堧姸娟宴年延憐戀捐挻撚椽沇沿涎涓淵演漣烟然煙煉燃燕璉硏硯秊筵緣練縯聯衍軟輦蓮連鉛鍊鳶列劣咽悅涅烈熱裂說閱厭廉念捻染殮炎焰琰艶苒"],
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diff --git a/web/public/node_modules/iconv-lite/encodings/tables/cp950.json b/web/public/node_modules/iconv-lite/encodings/tables/cp950.json
new file mode 100644
index 000000000..d8bc87178
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/cp950.json
@@ -0,0 +1,177 @@
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+["dc40","軹軦軮軥軵軧軨軶軫軱軬軴軩逭逴逯鄆鄬鄄郿郼鄈郹郻鄁鄀鄇鄅鄃酡酤酟酢酠鈁鈊鈥鈃鈚鈦鈏鈌鈀鈒釿釽鈆鈄鈧鈂鈜鈤鈙鈗鈅鈖镻閍閌閐隇陾隈"],
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+["de40","毹毷毸溛滖滈溏滀溟溓溔溠溱溹滆滒溽滁溞滉溷溰滍溦滏溲溾滃滜滘溙溒溎溍溤溡溿溳滐滊溗溮溣煇煔煒煣煠煁煝煢煲煸煪煡煂煘煃煋煰煟煐煓"],
+["dea1","煄煍煚牏犍犌犑犐犎猼獂猻猺獀獊獉瑄瑊瑋瑒瑑瑗瑀瑏瑐瑎瑂瑆瑍瑔瓡瓿瓾瓽甝畹畷榃痯瘏瘃痷痾痼痹痸瘐痻痶痭痵痽皙皵盝睕睟睠睒睖睚睩睧睔睙睭矠碇碚碔碏碄碕碅碆碡碃硹碙碀碖硻祼禂祽祹稑稘稙稒稗稕稢稓"],
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+["dfa1","腄腡舝艉艄艀艂艅蓱萿葖葶葹蒏蒍葥葑葀蒆葧萰葍葽葚葙葴葳葝蔇葞萷萺萴葺葃葸萲葅萩菙葋萯葂萭葟葰萹葎葌葒葯蓅蒎萻葇萶萳葨葾葄萫葠葔葮葐蜋蜄蛷蜌蛺蛖蛵蝍蛸蜎蜉蜁蛶蜍蜅裖裋裍裎裞裛裚裌裐覅覛觟觥觤"],
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+["e140","凘劀劁勩勫匰厬嘧嘕嘌嘒嗼嘏嘜嘁嘓嘂嗺嘝嘄嗿嗹墉塼墐墘墆墁塿塴墋塺墇墑墎塶墂墈塻墔墏壾奫嫜嫮嫥嫕嫪嫚嫭嫫嫳嫢嫠嫛嫬嫞嫝嫙嫨嫟孷寠"],
+["e1a1","寣屣嶂嶀嵽嶆嵺嶁嵷嶊嶉嶈嵾嵼嶍嵹嵿幘幙幓廘廑廗廎廜廕廙廒廔彄彃彯徶愬愨慁慞慱慳慒慓慲慬憀慴慔慺慛慥愻慪慡慖戩戧戫搫摍摛摝摴摶摲摳摽摵摦撦摎撂摞摜摋摓摠摐摿搿摬摫摙摥摷敳斠暡暠暟朅朄朢榱榶槉"],
+["e240","榠槎榖榰榬榼榑榙榎榧榍榩榾榯榿槄榽榤槔榹槊榚槏榳榓榪榡榞槙榗榐槂榵榥槆歊歍歋殞殟殠毃毄毾滎滵滱漃漥滸漷滻漮漉潎漙漚漧漘漻漒滭漊"],
+["e2a1","漶潳滹滮漭潀漰漼漵滫漇漎潃漅滽滶漹漜滼漺漟漍漞漈漡熇熐熉熀熅熂熏煻熆熁熗牄牓犗犕犓獃獍獑獌瑢瑳瑱瑵瑲瑧瑮甀甂甃畽疐瘖瘈瘌瘕瘑瘊瘔皸瞁睼瞅瞂睮瞀睯睾瞃碲碪碴碭碨硾碫碞碥碠碬碢碤禘禊禋禖禕禔禓"],
+["e340","禗禈禒禐稫穊稰稯稨稦窨窫窬竮箈箜箊箑箐箖箍箌箛箎箅箘劄箙箤箂粻粿粼粺綧綷緂綣綪緁緀緅綝緎緄緆緋緌綯綹綖綼綟綦綮綩綡緉罳翢翣翥翞"],
+["e3a1","耤聝聜膉膆膃膇膍膌膋舕蒗蒤蒡蒟蒺蓎蓂蒬蒮蒫蒹蒴蓁蓍蒪蒚蒱蓐蒝蒧蒻蒢蒔蓇蓌蒛蒩蒯蒨蓖蒘蒶蓏蒠蓗蓔蓒蓛蒰蒑虡蜳蜣蜨蝫蝀蜮蜞蜡蜙蜛蝃蜬蝁蜾蝆蜠蜲蜪蜭蜼蜒蜺蜱蜵蝂蜦蜧蜸蜤蜚蜰蜑裷裧裱裲裺裾裮裼裶裻"],
+["e440","裰裬裫覝覡覟覞觩觫觨誫誙誋誒誏誖谽豨豩賕賏賗趖踉踂跿踍跽踊踃踇踆踅跾踀踄輐輑輎輍鄣鄜鄠鄢鄟鄝鄚鄤鄡鄛酺酲酹酳銥銤鉶銛鉺銠銔銪銍"],
+["e4a1","銦銚銫鉹銗鉿銣鋮銎銂銕銢鉽銈銡銊銆銌銙銧鉾銇銩銝銋鈭隞隡雿靘靽靺靾鞃鞀鞂靻鞄鞁靿韎韍頖颭颮餂餀餇馝馜駃馹馻馺駂馽駇骱髣髧鬾鬿魠魡魟鳱鳲鳵麧僿儃儰僸儆儇僶僾儋儌僽儊劋劌勱勯噈噂噌嘵噁噊噉噆噘"],
+["e540","噚噀嘳嘽嘬嘾嘸嘪嘺圚墫墝墱墠墣墯墬墥墡壿嫿嫴嫽嫷嫶嬃嫸嬂嫹嬁嬇嬅嬏屧嶙嶗嶟嶒嶢嶓嶕嶠嶜嶡嶚嶞幩幝幠幜緳廛廞廡彉徲憋憃慹憱憰憢憉"],
+["e5a1","憛憓憯憭憟憒憪憡憍慦憳戭摮摰撖撠撅撗撜撏撋撊撌撣撟摨撱撘敶敺敹敻斲斳暵暰暩暲暷暪暯樀樆樗槥槸樕槱槤樠槿槬槢樛樝槾樧槲槮樔槷槧橀樈槦槻樍槼槫樉樄樘樥樏槶樦樇槴樖歑殥殣殢殦氁氀毿氂潁漦潾澇濆澒"],
+["e640","澍澉澌潢潏澅潚澖潶潬澂潕潲潒潐潗澔澓潝漀潡潫潽潧澐潓澋潩潿澕潣潷潪潻熲熯熛熰熠熚熩熵熝熥熞熤熡熪熜熧熳犘犚獘獒獞獟獠獝獛獡獚獙"],
+["e6a1","獢璇璉璊璆璁瑽璅璈瑼瑹甈甇畾瘥瘞瘙瘝瘜瘣瘚瘨瘛皜皝皞皛瞍瞏瞉瞈磍碻磏磌磑磎磔磈磃磄磉禚禡禠禜禢禛歶稹窲窴窳箷篋箾箬篎箯箹篊箵糅糈糌糋緷緛緪緧緗緡縃緺緦緶緱緰緮緟罶羬羰羭翭翫翪翬翦翨聤聧膣膟"],
+["e740","膞膕膢膙膗舖艏艓艒艐艎艑蔤蔻蔏蔀蔩蔎蔉蔍蔟蔊蔧蔜蓻蔫蓺蔈蔌蓴蔪蓲蔕蓷蓫蓳蓼蔒蓪蓩蔖蓾蔨蔝蔮蔂蓽蔞蓶蔱蔦蓧蓨蓰蓯蓹蔘蔠蔰蔋蔙蔯虢"],
+["e7a1","蝖蝣蝤蝷蟡蝳蝘蝔蝛蝒蝡蝚蝑蝞蝭蝪蝐蝎蝟蝝蝯蝬蝺蝮蝜蝥蝏蝻蝵蝢蝧蝩衚褅褌褔褋褗褘褙褆褖褑褎褉覢覤覣觭觰觬諏諆誸諓諑諔諕誻諗誾諀諅諘諃誺誽諙谾豍貏賥賟賙賨賚賝賧趠趜趡趛踠踣踥踤踮踕踛踖踑踙踦踧"],
+["e840","踔踒踘踓踜踗踚輬輤輘輚輠輣輖輗遳遰遯遧遫鄯鄫鄩鄪鄲鄦鄮醅醆醊醁醂醄醀鋐鋃鋄鋀鋙銶鋏鋱鋟鋘鋩鋗鋝鋌鋯鋂鋨鋊鋈鋎鋦鋍鋕鋉鋠鋞鋧鋑鋓"],
+["e8a1","銵鋡鋆銴镼閬閫閮閰隤隢雓霅霈霂靚鞊鞎鞈韐韏頞頝頦頩頨頠頛頧颲餈飺餑餔餖餗餕駜駍駏駓駔駎駉駖駘駋駗駌骳髬髫髳髲髱魆魃魧魴魱魦魶魵魰魨魤魬鳼鳺鳽鳿鳷鴇鴀鳹鳻鴈鴅鴄麃黓鼏鼐儜儓儗儚儑凞匴叡噰噠噮"],
+["e940","噳噦噣噭噲噞噷圜圛壈墽壉墿墺壂墼壆嬗嬙嬛嬡嬔嬓嬐嬖嬨嬚嬠嬞寯嶬嶱嶩嶧嶵嶰嶮嶪嶨嶲嶭嶯嶴幧幨幦幯廩廧廦廨廥彋徼憝憨憖懅憴懆懁懌憺"],
+["e9a1","憿憸憌擗擖擐擏擉撽撉擃擛擳擙攳敿敼斢曈暾曀曊曋曏暽暻暺曌朣樴橦橉橧樲橨樾橝橭橶橛橑樨橚樻樿橁橪橤橐橏橔橯橩橠樼橞橖橕橍橎橆歕歔歖殧殪殫毈毇氄氃氆澭濋澣濇澼濎濈潞濄澽澞濊澨瀄澥澮澺澬澪濏澿澸"],
+["ea40","澢濉澫濍澯澲澰燅燂熿熸燖燀燁燋燔燊燇燏熽燘熼燆燚燛犝犞獩獦獧獬獥獫獪瑿璚璠璔璒璕璡甋疀瘯瘭瘱瘽瘳瘼瘵瘲瘰皻盦瞚瞝瞡瞜瞛瞢瞣瞕瞙"],
+["eaa1","瞗磝磩磥磪磞磣磛磡磢磭磟磠禤穄穈穇窶窸窵窱窷篞篣篧篝篕篥篚篨篹篔篪篢篜篫篘篟糒糔糗糐糑縒縡縗縌縟縠縓縎縜縕縚縢縋縏縖縍縔縥縤罃罻罼罺羱翯耪耩聬膱膦膮膹膵膫膰膬膴膲膷膧臲艕艖艗蕖蕅蕫蕍蕓蕡蕘"],
+["eb40","蕀蕆蕤蕁蕢蕄蕑蕇蕣蔾蕛蕱蕎蕮蕵蕕蕧蕠薌蕦蕝蕔蕥蕬虣虥虤螛螏螗螓螒螈螁螖螘蝹螇螣螅螐螑螝螄螔螜螚螉褞褦褰褭褮褧褱褢褩褣褯褬褟觱諠"],
+["eba1","諢諲諴諵諝謔諤諟諰諈諞諡諨諿諯諻貑貒貐賵賮賱賰賳赬赮趥趧踳踾踸蹀蹅踶踼踽蹁踰踿躽輶輮輵輲輹輷輴遶遹遻邆郺鄳鄵鄶醓醐醑醍醏錧錞錈錟錆錏鍺錸錼錛錣錒錁鍆錭錎錍鋋錝鋺錥錓鋹鋷錴錂錤鋿錩錹錵錪錔錌"],
+["ec40","錋鋾錉錀鋻錖閼闍閾閹閺閶閿閵閽隩雔霋霒霐鞙鞗鞔韰韸頵頯頲餤餟餧餩馞駮駬駥駤駰駣駪駩駧骹骿骴骻髶髺髹髷鬳鮀鮅鮇魼魾魻鮂鮓鮒鮐魺鮕"],
+["eca1","魽鮈鴥鴗鴠鴞鴔鴩鴝鴘鴢鴐鴙鴟麈麆麇麮麭黕黖黺鼒鼽儦儥儢儤儠儩勴嚓嚌嚍嚆嚄嚃噾嚂噿嚁壖壔壏壒嬭嬥嬲嬣嬬嬧嬦嬯嬮孻寱寲嶷幬幪徾徻懃憵憼懧懠懥懤懨懞擯擩擣擫擤擨斁斀斶旚曒檍檖檁檥檉檟檛檡檞檇檓檎"],
+["ed40","檕檃檨檤檑橿檦檚檅檌檒歛殭氉濌澩濴濔濣濜濭濧濦濞濲濝濢濨燡燱燨燲燤燰燢獳獮獯璗璲璫璐璪璭璱璥璯甐甑甒甏疄癃癈癉癇皤盩瞵瞫瞲瞷瞶"],
+["eda1","瞴瞱瞨矰磳磽礂磻磼磲礅磹磾礄禫禨穜穛穖穘穔穚窾竀竁簅簏篲簀篿篻簎篴簋篳簂簉簃簁篸篽簆篰篱簐簊糨縭縼繂縳顈縸縪繉繀繇縩繌縰縻縶繄縺罅罿罾罽翴翲耬膻臄臌臊臅臇膼臩艛艚艜薃薀薏薧薕薠薋薣蕻薤薚薞"],
+["ee40","蕷蕼薉薡蕺蕸蕗薎薖薆薍薙薝薁薢薂薈薅蕹蕶薘薐薟虨螾螪螭蟅螰螬螹螵螼螮蟉蟃蟂蟌螷螯蟄蟊螴螶螿螸螽蟞螲褵褳褼褾襁襒褷襂覭覯覮觲觳謞"],
+["eea1","謘謖謑謅謋謢謏謒謕謇謍謈謆謜謓謚豏豰豲豱豯貕貔賹赯蹎蹍蹓蹐蹌蹇轃轀邅遾鄸醚醢醛醙醟醡醝醠鎡鎃鎯鍤鍖鍇鍼鍘鍜鍶鍉鍐鍑鍠鍭鎏鍌鍪鍹鍗鍕鍒鍏鍱鍷鍻鍡鍞鍣鍧鎀鍎鍙闇闀闉闃闅閷隮隰隬霠霟霘霝霙鞚鞡鞜"],
+["ef40","鞞鞝韕韔韱顁顄顊顉顅顃餥餫餬餪餳餲餯餭餱餰馘馣馡騂駺駴駷駹駸駶駻駽駾駼騃骾髾髽鬁髼魈鮚鮨鮞鮛鮦鮡鮥鮤鮆鮢鮠鮯鴳鵁鵧鴶鴮鴯鴱鴸鴰"],
+["efa1","鵅鵂鵃鴾鴷鵀鴽翵鴭麊麉麍麰黈黚黻黿鼤鼣鼢齔龠儱儭儮嚘嚜嚗嚚嚝嚙奰嬼屩屪巀幭幮懘懟懭懮懱懪懰懫懖懩擿攄擽擸攁攃擼斔旛曚曛曘櫅檹檽櫡櫆檺檶檷櫇檴檭歞毉氋瀇瀌瀍瀁瀅瀔瀎濿瀀濻瀦濼濷瀊爁燿燹爃燽獶"],
+["f040","璸瓀璵瓁璾璶璻瓂甔甓癜癤癙癐癓癗癚皦皽盬矂瞺磿礌礓礔礉礐礒礑禭禬穟簜簩簙簠簟簭簝簦簨簢簥簰繜繐繖繣繘繢繟繑繠繗繓羵羳翷翸聵臑臒"],
+["f0a1","臐艟艞薴藆藀藃藂薳薵薽藇藄薿藋藎藈藅薱薶藒蘤薸薷薾虩蟧蟦蟢蟛蟫蟪蟥蟟蟳蟤蟔蟜蟓蟭蟘蟣螤蟗蟙蠁蟴蟨蟝襓襋襏襌襆襐襑襉謪謧謣謳謰謵譇謯謼謾謱謥謷謦謶謮謤謻謽謺豂豵貙貘貗賾贄贂贀蹜蹢蹠蹗蹖蹞蹥蹧"],
+["f140","蹛蹚蹡蹝蹩蹔轆轇轈轋鄨鄺鄻鄾醨醥醧醯醪鎵鎌鎒鎷鎛鎝鎉鎧鎎鎪鎞鎦鎕鎈鎙鎟鎍鎱鎑鎲鎤鎨鎴鎣鎥闒闓闑隳雗雚巂雟雘雝霣霢霥鞬鞮鞨鞫鞤鞪"],
+["f1a1","鞢鞥韗韙韖韘韺顐顑顒颸饁餼餺騏騋騉騍騄騑騊騅騇騆髀髜鬈鬄鬅鬩鬵魊魌魋鯇鯆鯃鮿鯁鮵鮸鯓鮶鯄鮹鮽鵜鵓鵏鵊鵛鵋鵙鵖鵌鵗鵒鵔鵟鵘鵚麎麌黟鼁鼀鼖鼥鼫鼪鼩鼨齌齕儴儵劖勷厴嚫嚭嚦嚧嚪嚬壚壝壛夒嬽嬾嬿巃幰"],
+["f240","徿懻攇攐攍攉攌攎斄旞旝曞櫧櫠櫌櫑櫙櫋櫟櫜櫐櫫櫏櫍櫞歠殰氌瀙瀧瀠瀖瀫瀡瀢瀣瀩瀗瀤瀜瀪爌爊爇爂爅犥犦犤犣犡瓋瓅璷瓃甖癠矉矊矄矱礝礛"],
+["f2a1","礡礜礗礞禰穧穨簳簼簹簬簻糬糪繶繵繸繰繷繯繺繲繴繨罋罊羃羆羷翽翾聸臗臕艤艡艣藫藱藭藙藡藨藚藗藬藲藸藘藟藣藜藑藰藦藯藞藢蠀蟺蠃蟶蟷蠉蠌蠋蠆蟼蠈蟿蠊蠂襢襚襛襗襡襜襘襝襙覈覷覶觶譐譈譊譀譓譖譔譋譕"],
+["f340","譑譂譒譗豃豷豶貚贆贇贉趬趪趭趫蹭蹸蹳蹪蹯蹻軂轒轑轏轐轓辴酀鄿醰醭鏞鏇鏏鏂鏚鏐鏹鏬鏌鏙鎩鏦鏊鏔鏮鏣鏕鏄鏎鏀鏒鏧镽闚闛雡霩霫霬霨霦"],
+["f3a1","鞳鞷鞶韝韞韟顜顙顝顗颿颽颻颾饈饇饃馦馧騚騕騥騝騤騛騢騠騧騣騞騜騔髂鬋鬊鬎鬌鬷鯪鯫鯠鯞鯤鯦鯢鯰鯔鯗鯬鯜鯙鯥鯕鯡鯚鵷鶁鶊鶄鶈鵱鶀鵸鶆鶋鶌鵽鵫鵴鵵鵰鵩鶅鵳鵻鶂鵯鵹鵿鶇鵨麔麑黀黼鼭齀齁齍齖齗齘匷嚲"],
+["f440","嚵嚳壣孅巆巇廮廯忀忁懹攗攖攕攓旟曨曣曤櫳櫰櫪櫨櫹櫱櫮櫯瀼瀵瀯瀷瀴瀱灂瀸瀿瀺瀹灀瀻瀳灁爓爔犨獽獼璺皫皪皾盭矌矎矏矍矲礥礣礧礨礤礩"],
+["f4a1","禲穮穬穭竷籉籈籊籇籅糮繻繾纁纀羺翿聹臛臙舋艨艩蘢藿蘁藾蘛蘀藶蘄蘉蘅蘌藽蠙蠐蠑蠗蠓蠖襣襦覹觷譠譪譝譨譣譥譧譭趮躆躈躄轙轖轗轕轘轚邍酃酁醷醵醲醳鐋鐓鏻鐠鐏鐔鏾鐕鐐鐨鐙鐍鏵鐀鏷鐇鐎鐖鐒鏺鐉鏸鐊鏿"],
+["f540","鏼鐌鏶鐑鐆闞闠闟霮霯鞹鞻韽韾顠顢顣顟飁飂饐饎饙饌饋饓騲騴騱騬騪騶騩騮騸騭髇髊髆鬐鬒鬑鰋鰈鯷鰅鰒鯸鱀鰇鰎鰆鰗鰔鰉鶟鶙鶤鶝鶒鶘鶐鶛"],
+["f5a1","鶠鶔鶜鶪鶗鶡鶚鶢鶨鶞鶣鶿鶩鶖鶦鶧麙麛麚黥黤黧黦鼰鼮齛齠齞齝齙龑儺儹劘劗囃嚽嚾孈孇巋巏廱懽攛欂櫼欃櫸欀灃灄灊灈灉灅灆爝爚爙獾甗癪矐礭礱礯籔籓糲纊纇纈纋纆纍罍羻耰臝蘘蘪蘦蘟蘣蘜蘙蘧蘮蘡蘠蘩蘞蘥"],
+["f640","蠩蠝蠛蠠蠤蠜蠫衊襭襩襮襫觺譹譸譅譺譻贐贔趯躎躌轞轛轝酆酄酅醹鐿鐻鐶鐩鐽鐼鐰鐹鐪鐷鐬鑀鐱闥闤闣霵霺鞿韡顤飉飆飀饘饖騹騽驆驄驂驁騺"],
+["f6a1","騿髍鬕鬗鬘鬖鬺魒鰫鰝鰜鰬鰣鰨鰩鰤鰡鶷鶶鶼鷁鷇鷊鷏鶾鷅鷃鶻鶵鷎鶹鶺鶬鷈鶱鶭鷌鶳鷍鶲鹺麜黫黮黭鼛鼘鼚鼱齎齥齤龒亹囆囅囋奱孋孌巕巑廲攡攠攦攢欋欈欉氍灕灖灗灒爞爟犩獿瓘瓕瓙瓗癭皭礵禴穰穱籗籜籙籛籚"],
+["f740","糴糱纑罏羇臞艫蘴蘵蘳蘬蘲蘶蠬蠨蠦蠪蠥襱覿覾觻譾讄讂讆讅譿贕躕躔躚躒躐躖躗轠轢酇鑌鑐鑊鑋鑏鑇鑅鑈鑉鑆霿韣顪顩飋饔饛驎驓驔驌驏驈驊"],
+["f7a1","驉驒驐髐鬙鬫鬻魖魕鱆鱈鰿鱄鰹鰳鱁鰼鰷鰴鰲鰽鰶鷛鷒鷞鷚鷋鷐鷜鷑鷟鷩鷙鷘鷖鷵鷕鷝麶黰鼵鼳鼲齂齫龕龢儽劙壨壧奲孍巘蠯彏戁戃戄攩攥斖曫欑欒欏毊灛灚爢玂玁玃癰矔籧籦纕艬蘺虀蘹蘼蘱蘻蘾蠰蠲蠮蠳襶襴襳觾"],
+["f840","讌讎讋讈豅贙躘轤轣醼鑢鑕鑝鑗鑞韄韅頀驖驙鬞鬟鬠鱒鱘鱐鱊鱍鱋鱕鱙鱌鱎鷻鷷鷯鷣鷫鷸鷤鷶鷡鷮鷦鷲鷰鷢鷬鷴鷳鷨鷭黂黐黲黳鼆鼜鼸鼷鼶齃齏"],
+["f8a1","齱齰齮齯囓囍孎屭攭曭曮欓灟灡灝灠爣瓛瓥矕礸禷禶籪纗羉艭虃蠸蠷蠵衋讔讕躞躟躠躝醾醽釂鑫鑨鑩雥靆靃靇韇韥驞髕魙鱣鱧鱦鱢鱞鱠鸂鷾鸇鸃鸆鸅鸀鸁鸉鷿鷽鸄麠鼞齆齴齵齶囔攮斸欘欙欗欚灢爦犪矘矙礹籩籫糶纚"],
+["f940","纘纛纙臠臡虆虇虈襹襺襼襻觿讘讙躥躤躣鑮鑭鑯鑱鑳靉顲饟鱨鱮鱭鸋鸍鸐鸏鸒鸑麡黵鼉齇齸齻齺齹圞灦籯蠼趲躦釃鑴鑸鑶鑵驠鱴鱳鱱鱵鸔鸓黶鼊"],
+["f9a1","龤灨灥糷虪蠾蠽蠿讞貜躩軉靋顳顴飌饡馫驤驦驧鬤鸕鸗齈戇欞爧虌躨钂钀钁驩驨鬮鸙爩虋讟钃鱹麷癵驫鱺鸝灩灪麤齾齉龘碁銹裏墻恒粧嫺╔╦╗╠╬╣╚╩╝╒╤╕╞╪╡╘╧╛╓╥╖╟╫╢╙╨╜║═╭╮╰╯▓"]
+]
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/eucjp.json b/web/public/node_modules/iconv-lite/encodings/tables/eucjp.json
new file mode 100644
index 000000000..4fa61ca11
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/eucjp.json
@@ -0,0 +1,182 @@
+[
+["0","\u0000",127],
+["8ea1","｡",62],
+["a1a1","　、。，．・：；？！゛゜´｀¨＾￣＿ヽヾゝゞ〃仝々〆〇ー―‐／＼～∥｜…‥‘’“”（）〔〕［］｛｝〈",9,"＋－±×÷＝≠＜＞≦≧∞∴♂♀°′″℃￥＄￠￡％＃＆＊＠§☆★○●◎◇"],
+["a2a1","◆□■△▲▽▼※〒→←↑↓〓"],
+["a2ba","∈∋⊆⊇⊂⊃∪∩"],
+["a2ca","∧∨￢⇒⇔∀∃"],
+["a2dc","∠⊥⌒∂∇≡≒≪≫√∽∝∵∫∬"],
+["a2f2","ʼn♯♭♪†‡¶"],
+["a2fe","◯"],
+["a3b0","０",9],
+["a3c1","Ａ",25],
+["a3e1","ａ",25],
+["a4a1","ぁ",82],
+["a5a1","ァ",85],
+["a6a1","Α",16,"Σ",6],
+["a6c1","α",16,"σ",6],
+["a7a1","А",5,"ЁЖ",25],
+["a7d1","а",5,"ёж",25],
+["a8a1","─│┌┐┘└├┬┤┴┼━┃┏┓┛┗┣┳┫┻╋┠┯┨┷┿┝┰┥┸╂"],
+["ada1","①",19,"Ⅰ",9],
+["adc0","㍉㌔㌢㍍㌘㌧㌃㌶㍑㍗㌍㌦㌣㌫㍊㌻㎜㎝㎞㎎㎏㏄㎡"],
+["addf","㍻〝〟№㏍℡㊤",4,"㈱㈲㈹㍾㍽㍼≒≡∫∮∑√⊥∠∟⊿∵∩∪"],
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+["cda1","諭輸唯佑優勇友宥幽悠憂揖有柚湧涌猶猷由祐裕誘遊邑郵雄融夕予余与誉輿預傭幼妖容庸揚揺擁曜楊様洋溶熔用窯羊耀葉蓉要謡踊遥陽養慾抑欲沃浴翌翼淀羅螺裸来莱頼雷洛絡落酪乱卵嵐欄濫藍蘭覧利吏履李梨理璃"],
+["cea1","痢裏裡里離陸律率立葎掠略劉流溜琉留硫粒隆竜龍侶慮旅虜了亮僚両凌寮料梁涼猟療瞭稜糧良諒遼量陵領力緑倫厘林淋燐琳臨輪隣鱗麟瑠塁涙累類令伶例冷励嶺怜玲礼苓鈴隷零霊麗齢暦歴列劣烈裂廉恋憐漣煉簾練聯"],
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+["d1a1","僉僊傳僂僖僞僥僭僣僮價僵儉儁儂儖儕儔儚儡儺儷儼儻儿兀兒兌兔兢竸兩兪兮冀冂囘册冉冏冑冓冕冖冤冦冢冩冪冫决冱冲冰况冽凅凉凛几處凩凭凰凵凾刄刋刔刎刧刪刮刳刹剏剄剋剌剞剔剪剴剩剳剿剽劍劔劒剱劈劑辨"],
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+["eba1","襦襤襭襪襯襴襷襾覃覈覊覓覘覡覩覦覬覯覲覺覽覿觀觚觜觝觧觴觸訃訖訐訌訛訝訥訶詁詛詒詆詈詼詭詬詢誅誂誄誨誡誑誥誦誚誣諄諍諂諚諫諳諧諤諱謔諠諢諷諞諛謌謇謚諡謖謐謗謠謳鞫謦謫謾謨譁譌譏譎證譖譛譚譫"],
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+["f2a1","髻鬆鬘鬚鬟鬢鬣鬥鬧鬨鬩鬪鬮鬯鬲魄魃魏魍魎魑魘魴鮓鮃鮑鮖鮗鮟鮠鮨鮴鯀鯊鮹鯆鯏鯑鯒鯣鯢鯤鯔鯡鰺鯲鯱鯰鰕鰔鰉鰓鰌鰆鰈鰒鰊鰄鰮鰛鰥鰤鰡鰰鱇鰲鱆鰾鱚鱠鱧鱶鱸鳧鳬鳰鴉鴈鳫鴃鴆鴪鴦鶯鴣鴟鵄鴕鴒鵁鴿鴾鵆鵈"],
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+["f4a1","堯槇遙瑤凜熙"],
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+["8fcda1","甒甖甗甠甡甤甧甩甪甯甶甹甽甾甿畀畃畇畈畎畐畒畗畞畟畡畯畱畹",5,"疁疅疐疒疓疕疙疜疢疤疴疺疿痀痁痄痆痌痎痏痗痜痟痠痡痤痧痬痮痯痱痹瘀瘂瘃瘄瘇瘈瘊瘌瘏瘒瘓瘕瘖瘙瘛瘜瘝瘞瘣瘥瘦瘩瘭瘲瘳瘵瘸瘹"],
+["8fcea1","瘺瘼癊癀癁癃癄癅癉癋癕癙癟癤癥癭癮癯癱癴皁皅皌皍皕皛皜皝皟皠皢",6,"皪皭皽盁盅盉盋盌盎盔盙盠盦盨盬盰盱盶盹盼眀眆眊眎眒眔眕眗眙眚眜眢眨眭眮眯眴眵眶眹眽眾睂睅睆睊睍睎睏睒睖睗睜睞睟睠睢"],
+["8fcfa1","睤睧睪睬睰睲睳睴睺睽瞀瞄瞌瞍瞔瞕瞖瞚瞟瞢瞧瞪瞮瞯瞱瞵瞾矃矉矑矒矕矙矞矟矠矤矦矪矬矰矱矴矸矻砅砆砉砍砎砑砝砡砢砣砭砮砰砵砷硃硄硇硈硌硎硒硜硞硠硡硣硤硨硪确硺硾碊碏碔碘碡碝碞碟碤碨碬碭碰碱碲碳"],
+["8fd0a1","碻碽碿磇磈磉磌磎磒磓磕磖磤磛磟磠磡磦磪磲磳礀磶磷磺磻磿礆礌礐礚礜礞礟礠礥礧礩礭礱礴礵礻礽礿祄祅祆祊祋祏祑祔祘祛祜祧祩祫祲祹祻祼祾禋禌禑禓禔禕禖禘禛禜禡禨禩禫禯禱禴禸离秂秄秇秈秊秏秔秖秚秝秞"],
+["8fd1a1","秠秢秥秪秫秭秱秸秼稂稃稇稉稊稌稑稕稛稞稡稧稫稭稯稰稴稵稸稹稺穄穅穇穈穌穕穖穙穜穝穟穠穥穧穪穭穵穸穾窀窂窅窆窊窋窐窑窔窞窠窣窬窳窵窹窻窼竆竉竌竎竑竛竨竩竫竬竱竴竻竽竾笇笔笟笣笧笩笪笫笭笮笯笰"],
+["8fd2a1","笱笴笽笿筀筁筇筎筕筠筤筦筩筪筭筯筲筳筷箄箉箎箐箑箖箛箞箠箥箬箯箰箲箵箶箺箻箼箽篂篅篈篊篔篖篗篙篚篛篨篪篲篴篵篸篹篺篼篾簁簂簃簄簆簉簋簌簎簏簙簛簠簥簦簨簬簱簳簴簶簹簺籆籊籕籑籒籓籙",5],
+["8fd3a1","籡籣籧籩籭籮籰籲籹籼籽粆粇粏粔粞粠粦粰粶粷粺粻粼粿糄糇糈糉糍糏糓糔糕糗糙糚糝糦糩糫糵紃紇紈紉紏紑紒紓紖紝紞紣紦紪紭紱紼紽紾絀絁絇絈絍絑絓絗絙絚絜絝絥絧絪絰絸絺絻絿綁綂綃綅綆綈綋綌綍綑綖綗綝"],
+["8fd4a1","綞綦綧綪綳綶綷綹緂",4,"緌緍緎緗緙縀緢緥緦緪緫緭緱緵緶緹緺縈縐縑縕縗縜縝縠縧縨縬縭縯縳縶縿繄繅繇繎繐繒繘繟繡繢繥繫繮繯繳繸繾纁纆纇纊纍纑纕纘纚纝纞缼缻缽缾缿罃罄罇罏罒罓罛罜罝罡罣罤罥罦罭"],
+["8fd5a1","罱罽罾罿羀羋羍羏羐羑羖羗羜羡羢羦羪羭羴羼羿翀翃翈翎翏翛翟翣翥翨翬翮翯翲翺翽翾翿耇耈耊耍耎耏耑耓耔耖耝耞耟耠耤耦耬耮耰耴耵耷耹耺耼耾聀聄聠聤聦聭聱聵肁肈肎肜肞肦肧肫肸肹胈胍胏胒胔胕胗胘胠胭胮"],
+["8fd6a1","胰胲胳胶胹胺胾脃脋脖脗脘脜脞脠脤脧脬脰脵脺脼腅腇腊腌腒腗腠腡腧腨腩腭腯腷膁膐膄膅膆膋膎膖膘膛膞膢膮膲膴膻臋臃臅臊臎臏臕臗臛臝臞臡臤臫臬臰臱臲臵臶臸臹臽臿舀舃舏舓舔舙舚舝舡舢舨舲舴舺艃艄艅艆"],
+["8fd7a1","艋艎艏艑艖艜艠艣艧艭艴艻艽艿芀芁芃芄芇芉芊芎芑芔芖芘芚芛芠芡芣芤芧芨芩芪芮芰芲芴芷芺芼芾芿苆苐苕苚苠苢苤苨苪苭苯苶苷苽苾茀茁茇茈茊茋荔茛茝茞茟茡茢茬茭茮茰茳茷茺茼茽荂荃荄荇荍荎荑荕荖荗荰荸"],
+["8fd8a1","荽荿莀莂莄莆莍莒莔莕莘莙莛莜莝莦莧莩莬莾莿菀菇菉菏菐菑菔菝荓菨菪菶菸菹菼萁萆萊萏萑萕萙莭萯萹葅葇葈葊葍葏葑葒葖葘葙葚葜葠葤葥葧葪葰葳葴葶葸葼葽蒁蒅蒒蒓蒕蒞蒦蒨蒩蒪蒯蒱蒴蒺蒽蒾蓀蓂蓇蓈蓌蓏蓓"],
+["8fd9a1","蓜蓧蓪蓯蓰蓱蓲蓷蔲蓺蓻蓽蔂蔃蔇蔌蔎蔐蔜蔞蔢蔣蔤蔥蔧蔪蔫蔯蔳蔴蔶蔿蕆蕏",4,"蕖蕙蕜",6,"蕤蕫蕯蕹蕺蕻蕽蕿薁薅薆薉薋薌薏薓薘薝薟薠薢薥薧薴薶薷薸薼薽薾薿藂藇藊藋藎薭藘藚藟藠藦藨藭藳藶藼"],
+["8fdaa1","藿蘀蘄蘅蘍蘎蘐蘑蘒蘘蘙蘛蘞蘡蘧蘩蘶蘸蘺蘼蘽虀虂虆虒虓虖虗虘虙虝虠",4,"虩虬虯虵虶虷虺蚍蚑蚖蚘蚚蚜蚡蚦蚧蚨蚭蚱蚳蚴蚵蚷蚸蚹蚿蛀蛁蛃蛅蛑蛒蛕蛗蛚蛜蛠蛣蛥蛧蚈蛺蛼蛽蜄蜅蜇蜋蜎蜏蜐蜓蜔蜙蜞蜟蜡蜣"],
+["8fdba1","蜨蜮蜯蜱蜲蜹蜺蜼蜽蜾蝀蝃蝅蝍蝘蝝蝡蝤蝥蝯蝱蝲蝻螃",6,"螋螌螐螓螕螗螘螙螞螠螣螧螬螭螮螱螵螾螿蟁蟈蟉蟊蟎蟕蟖蟙蟚蟜蟟蟢蟣蟤蟪蟫蟭蟱蟳蟸蟺蟿蠁蠃蠆蠉蠊蠋蠐蠙蠒蠓蠔蠘蠚蠛蠜蠞蠟蠨蠭蠮蠰蠲蠵"],
+["8fdca1","蠺蠼衁衃衅衈衉衊衋衎衑衕衖衘衚衜衟衠衤衩衱衹衻袀袘袚袛袜袟袠袨袪袺袽袾裀裊",4,"裑裒裓裛裞裧裯裰裱裵裷褁褆褍褎褏褕褖褘褙褚褜褠褦褧褨褰褱褲褵褹褺褾襀襂襅襆襉襏襒襗襚襛襜襡襢襣襫襮襰襳襵襺"],
+["8fdda1","襻襼襽覉覍覐覔覕覛覜覟覠覥覰覴覵覶覷覼觔",4,"觥觩觫觭觱觳觶觹觽觿訄訅訇訏訑訒訔訕訞訠訢訤訦訫訬訯訵訷訽訾詀詃詅詇詉詍詎詓詖詗詘詜詝詡詥詧詵詶詷詹詺詻詾詿誀誃誆誋誏誐誒誖誗誙誟誧誩誮誯誳"],
+["8fdea1","誶誷誻誾諃諆諈諉諊諑諓諔諕諗諝諟諬諰諴諵諶諼諿謅謆謋謑謜謞謟謊謭謰謷謼譂",4,"譈譒譓譔譙譍譞譣譭譶譸譹譼譾讁讄讅讋讍讏讔讕讜讞讟谸谹谽谾豅豇豉豋豏豑豓豔豗豘豛豝豙豣豤豦豨豩豭豳豵豶豻豾貆"],
+["8fdfa1","貇貋貐貒貓貙貛貜貤貹貺賅賆賉賋賏賖賕賙賝賡賨賬賯賰賲賵賷賸賾賿贁贃贉贒贗贛赥赩赬赮赿趂趄趈趍趐趑趕趞趟趠趦趫趬趯趲趵趷趹趻跀跅跆跇跈跊跎跑跔跕跗跙跤跥跧跬跰趼跱跲跴跽踁踄踅踆踋踑踔踖踠踡踢"],
+["8fe0a1","踣踦踧踱踳踶踷踸踹踽蹀蹁蹋蹍蹎蹏蹔蹛蹜蹝蹞蹡蹢蹩蹬蹭蹯蹰蹱蹹蹺蹻躂躃躉躐躒躕躚躛躝躞躢躧躩躭躮躳躵躺躻軀軁軃軄軇軏軑軔軜軨軮軰軱軷軹軺軭輀輂輇輈輏輐輖輗輘輞輠輡輣輥輧輨輬輭輮輴輵輶輷輺轀轁"],
+["8fe1a1","轃轇轏轑",4,"轘轝轞轥辝辠辡辤辥辦辵辶辸达迀迁迆迊迋迍运迒迓迕迠迣迤迨迮迱迵迶迻迾适逄逈逌逘逛逨逩逯逪逬逭逳逴逷逿遃遄遌遛遝遢遦遧遬遰遴遹邅邈邋邌邎邐邕邗邘邙邛邠邡邢邥邰邲邳邴邶邽郌邾郃"],
+["8fe2a1","郄郅郇郈郕郗郘郙郜郝郟郥郒郶郫郯郰郴郾郿鄀鄄鄅鄆鄈鄍鄐鄔鄖鄗鄘鄚鄜鄞鄠鄥鄢鄣鄧鄩鄮鄯鄱鄴鄶鄷鄹鄺鄼鄽酃酇酈酏酓酗酙酚酛酡酤酧酭酴酹酺酻醁醃醅醆醊醎醑醓醔醕醘醞醡醦醨醬醭醮醰醱醲醳醶醻醼醽醿"],
+["8fe3a1","釂釃釅釓釔釗釙釚釞釤釥釩釪釬",5,"釷釹釻釽鈀鈁鈄鈅鈆鈇鈉鈊鈌鈐鈒鈓鈖鈘鈜鈝鈣鈤鈥鈦鈨鈮鈯鈰鈳鈵鈶鈸鈹鈺鈼鈾鉀鉂鉃鉆鉇鉊鉍鉎鉏鉑鉘鉙鉜鉝鉠鉡鉥鉧鉨鉩鉮鉯鉰鉵",4,"鉻鉼鉽鉿銈銉銊銍銎銒銗"],
+["8fe4a1","銙銟銠銤銥銧銨銫銯銲銶銸銺銻銼銽銿",4,"鋅鋆鋇鋈鋋鋌鋍鋎鋐鋓鋕鋗鋘鋙鋜鋝鋟鋠鋡鋣鋥鋧鋨鋬鋮鋰鋹鋻鋿錀錂錈錍錑錔錕錜錝錞錟錡錤錥錧錩錪錳錴錶錷鍇鍈鍉鍐鍑鍒鍕鍗鍘鍚鍞鍤鍥鍧鍩鍪鍭鍯鍰鍱鍳鍴鍶"],
+["8fe5a1","鍺鍽鍿鎀鎁鎂鎈鎊鎋鎍鎏鎒鎕鎘鎛鎞鎡鎣鎤鎦鎨鎫鎴鎵鎶鎺鎩鏁鏄鏅鏆鏇鏉",4,"鏓鏙鏜鏞鏟鏢鏦鏧鏹鏷鏸鏺鏻鏽鐁鐂鐄鐈鐉鐍鐎鐏鐕鐖鐗鐟鐮鐯鐱鐲鐳鐴鐻鐿鐽鑃鑅鑈鑊鑌鑕鑙鑜鑟鑡鑣鑨鑫鑭鑮鑯鑱鑲钄钃镸镹"],
+["8fe6a1","镾閄閈閌閍閎閝閞閟閡閦閩閫閬閴閶閺閽閿闆闈闉闋闐闑闒闓闙闚闝闞闟闠闤闦阝阞阢阤阥阦阬阱阳阷阸阹阺阼阽陁陒陔陖陗陘陡陮陴陻陼陾陿隁隂隃隄隉隑隖隚隝隟隤隥隦隩隮隯隳隺雊雒嶲雘雚雝雞雟雩雯雱雺霂"],
+["8fe7a1","霃霅霉霚霛霝霡霢霣霨霱霳靁靃靊靎靏靕靗靘靚靛靣靧靪靮靳靶靷靸靻靽靿鞀鞉鞕鞖鞗鞙鞚鞞鞟鞢鞬鞮鞱鞲鞵鞶鞸鞹鞺鞼鞾鞿韁韄韅韇韉韊韌韍韎韐韑韔韗韘韙韝韞韠韛韡韤韯韱韴韷韸韺頇頊頙頍頎頔頖頜頞頠頣頦"],
+["8fe8a1","頫頮頯頰頲頳頵頥頾顄顇顊顑顒顓顖顗顙顚顢顣顥顦顪顬颫颭颮颰颴颷颸颺颻颿飂飅飈飌飡飣飥飦飧飪飳飶餂餇餈餑餕餖餗餚餛餜餟餢餦餧餫餱",4,"餹餺餻餼饀饁饆饇饈饍饎饔饘饙饛饜饞饟饠馛馝馟馦馰馱馲馵"],
+["8fe9a1","馹馺馽馿駃駉駓駔駙駚駜駞駧駪駫駬駰駴駵駹駽駾騂騃騄騋騌騐騑騖騞騠騢騣騤騧騭騮騳騵騶騸驇驁驄驊驋驌驎驑驔驖驝骪骬骮骯骲骴骵骶骹骻骾骿髁髃髆髈髎髐髒髕髖髗髛髜髠髤髥髧髩髬髲髳髵髹髺髽髿",4],
+["8feaa1","鬄鬅鬈鬉鬋鬌鬍鬎鬐鬒鬖鬙鬛鬜鬠鬦鬫鬭鬳鬴鬵鬷鬹鬺鬽魈魋魌魕魖魗魛魞魡魣魥魦魨魪",4,"魳魵魷魸魹魿鮀鮄鮅鮆鮇鮉鮊鮋鮍鮏鮐鮔鮚鮝鮞鮦鮧鮩鮬鮰鮱鮲鮷鮸鮻鮼鮾鮿鯁鯇鯈鯎鯐鯗鯘鯝鯟鯥鯧鯪鯫鯯鯳鯷鯸"],
+["8feba1","鯹鯺鯽鯿鰀鰂鰋鰏鰑鰖鰘鰙鰚鰜鰞鰢鰣鰦",4,"鰱鰵鰶鰷鰽鱁鱃鱄鱅鱉鱊鱎鱏鱐鱓鱔鱖鱘鱛鱝鱞鱟鱣鱩鱪鱜鱫鱨鱮鱰鱲鱵鱷鱻鳦鳲鳷鳹鴋鴂鴑鴗鴘鴜鴝鴞鴯鴰鴲鴳鴴鴺鴼鵅鴽鵂鵃鵇鵊鵓鵔鵟鵣鵢鵥鵩鵪鵫鵰鵶鵷鵻"],
+["8feca1","鵼鵾鶃鶄鶆鶊鶍鶎鶒鶓鶕鶖鶗鶘鶡鶪鶬鶮鶱鶵鶹鶼鶿鷃鷇鷉鷊鷔鷕鷖鷗鷚鷞鷟鷠鷥鷧鷩鷫鷮鷰鷳鷴鷾鸊鸂鸇鸎鸐鸑鸒鸕鸖鸙鸜鸝鹺鹻鹼麀麂麃麄麅麇麎麏麖麘麛麞麤麨麬麮麯麰麳麴麵黆黈黋黕黟黤黧黬黭黮黰黱黲黵"],
+["8feda1","黸黿鼂鼃鼉鼏鼐鼑鼒鼔鼖鼗鼙鼚鼛鼟鼢鼦鼪鼫鼯鼱鼲鼴鼷鼹鼺鼼鼽鼿齁齃",4,"齓齕齖齗齘齚齝齞齨齩齭",4,"齳齵齺齽龏龐龑龒龔龖龗龞龡龢龣龥"]
+]
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json b/web/public/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json
new file mode 100644
index 000000000..85c693475
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/gbk-added.json b/web/public/node_modules/iconv-lite/encodings/tables/gbk-added.json
new file mode 100644
index 000000000..b742e368f
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/gbk-added.json
@@ -0,0 +1,56 @@
+[
+["a140","",62],
+["a180","",32],
+["a240","",62],
+["a280","",32],
+["a2ab","",5],
+["a2e3","€"],
+["a2ef",""],
+["a2fd",""],
+["a340","",62],
+["a380","",31,"　"],
+["a440","",62],
+["a480","",32],
+["a4f4","",10],
+["a540","",62],
+["a580","",32],
+["a5f7","",7],
+["a640","",62],
+["a680","",32],
+["a6b9","",7],
+["a6d9","",6],
+["a6ec",""],
+["a6f3",""],
+["a6f6","",8],
+["a740","",62],
+["a780","",32],
+["a7c2","",14],
+["a7f2","",12],
+["a896","",10],
+["a8bc","ḿ"],
+["a8bf","ǹ"],
+["a8c1",""],
+["a8ea","",20],
+["a958",""],
+["a95b",""],
+["a95d",""],
+["a989","〾⿰",11],
+["a997","",12],
+["a9f0","",14],
+["aaa1","",93],
+["aba1","",93],
+["aca1","",93],
+["ada1","",93],
+["aea1","",93],
+["afa1","",93],
+["d7fa","",4],
+["f8a1","",93],
+["f9a1","",93],
+["faa1","",93],
+["fba1","",93],
+["fca1","",93],
+["fda1","",93],
+["fe50","⺁⺄㑳㑇⺈⺋㖞㘚㘎⺌⺗㥮㤘㧏㧟㩳㧐㭎㱮㳠⺧⺪䁖䅟⺮䌷⺳⺶⺷䎱䎬⺻䏝䓖䙡䙌"],
+["fe80","䜣䜩䝼䞍⻊䥇䥺䥽䦂䦃䦅䦆䦟䦛䦷䦶䲣䲟䲠䲡䱷䲢䴓",6,"䶮",93],
+["8135f437",""]
+]
diff --git a/web/public/node_modules/iconv-lite/encodings/tables/shiftjis.json b/web/public/node_modules/iconv-lite/encodings/tables/shiftjis.json
new file mode 100644
index 000000000..5a3a43cf8
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/tables/shiftjis.json
@@ -0,0 +1,125 @@
+[
+["0","\u0000",128],
+["a1","｡",62],
+["8140","　、。，．・：；？！゛゜´｀¨＾￣＿ヽヾゝゞ〃仝々〆〇ー―‐／＼～∥｜…‥‘’“”（）〔〕［］｛｝〈",9,"＋－±×"],
+["8180","÷＝≠＜＞≦≧∞∴♂♀°′″℃￥＄￠￡％＃＆＊＠§☆★○●◎◇◆□■△▲▽▼※〒→←↑↓〓"],
+["81b8","∈∋⊆⊇⊂⊃∪∩"],
+["81c8","∧∨￢⇒⇔∀∃"],
+["81da","∠⊥⌒∂∇≡≒≪≫√∽∝∵∫∬"],
+["81f0","ʼn♯♭♪†‡¶"],
+["81fc","◯"],
+["824f","０",9],
+["8260","Ａ",25],
+["8281","ａ",25],
+["829f","ぁ",82],
+["8340","ァ",62],
+["8380","ム",22],
+["839f","Α",16,"Σ",6],
+["83bf","α",16,"σ",6],
+["8440","А",5,"ЁЖ",25],
+["8470","а",5,"ёж",7],
+["8480","о",17],
+["849f","─│┌┐┘└├┬┤┴┼━┃┏┓┛┗┣┳┫┻╋┠┯┨┷┿┝┰┥┸╂"],
+["8740","①",19,"Ⅰ",9],
+["875f","㍉㌔㌢㍍㌘㌧㌃㌶㍑㍗㌍㌦㌣㌫㍊㌻㎜㎝㎞㎎㎏㏄㎡"],
+["877e","㍻"],
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+["8b40","機帰毅気汽畿祈季稀紀徽規記貴起軌輝飢騎鬼亀偽儀妓宜戯技擬欺犠疑祇義蟻誼議掬菊鞠吉吃喫桔橘詰砧杵黍却客脚虐逆丘久仇休及吸宮弓急救"],
+["8b80","朽求汲泣灸球究窮笈級糾給旧牛去居巨拒拠挙渠虚許距鋸漁禦魚亨享京供侠僑兇競共凶協匡卿叫喬境峡強彊怯恐恭挟教橋況狂狭矯胸脅興蕎郷鏡響饗驚仰凝尭暁業局曲極玉桐粁僅勤均巾錦斤欣欽琴禁禽筋緊芹菌衿襟謹近金吟銀九倶句区狗玖矩苦躯駆駈駒具愚虞喰空偶寓遇隅串櫛釧屑屈"],
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+["8d80","項香高鴻剛劫号合壕拷濠豪轟麹克刻告国穀酷鵠黒獄漉腰甑忽惚骨狛込此頃今困坤墾婚恨懇昏昆根梱混痕紺艮魂些佐叉唆嵯左差査沙瑳砂詐鎖裟坐座挫債催再最哉塞妻宰彩才採栽歳済災采犀砕砦祭斎細菜裁載際剤在材罪財冴坂阪堺榊肴咲崎埼碕鷺作削咋搾昨朔柵窄策索錯桜鮭笹匙冊刷"],
+["8e40","察拶撮擦札殺薩雑皐鯖捌錆鮫皿晒三傘参山惨撒散桟燦珊産算纂蚕讃賛酸餐斬暫残仕仔伺使刺司史嗣四士始姉姿子屍市師志思指支孜斯施旨枝止"],
+["8e80","死氏獅祉私糸紙紫肢脂至視詞詩試誌諮資賜雌飼歯事似侍児字寺慈持時次滋治爾璽痔磁示而耳自蒔辞汐鹿式識鴫竺軸宍雫七叱執失嫉室悉湿漆疾質実蔀篠偲柴芝屡蕊縞舎写射捨赦斜煮社紗者謝車遮蛇邪借勺尺杓灼爵酌釈錫若寂弱惹主取守手朱殊狩珠種腫趣酒首儒受呪寿授樹綬需囚収周"],
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+["e540","蕁蘂蕋蕕薀薤薈薑薊薨蕭薔薛藪薇薜蕷蕾薐藉薺藏薹藐藕藝藥藜藹蘊蘓蘋藾藺蘆蘢蘚蘰蘿虍乕虔號虧虱蚓蚣蚩蚪蚋蚌蚶蚯蛄蛆蚰蛉蠣蚫蛔蛞蛩蛬"],
+["e580","蛟蛛蛯蜒蜆蜈蜀蜃蛻蜑蜉蜍蛹蜊蜴蜿蜷蜻蜥蜩蜚蝠蝟蝸蝌蝎蝴蝗蝨蝮蝙蝓蝣蝪蠅螢螟螂螯蟋螽蟀蟐雖螫蟄螳蟇蟆螻蟯蟲蟠蠏蠍蟾蟶蟷蠎蟒蠑蠖蠕蠢蠡蠱蠶蠹蠧蠻衄衂衒衙衞衢衫袁衾袞衵衽袵衲袂袗袒袮袙袢袍袤袰袿袱裃裄裔裘裙裝裹褂裼裴裨裲褄褌褊褓襃褞褥褪褫襁襄褻褶褸襌褝襠襞"],
+["e640","襦襤襭襪襯襴襷襾覃覈覊覓覘覡覩覦覬覯覲覺覽覿觀觚觜觝觧觴觸訃訖訐訌訛訝訥訶詁詛詒詆詈詼詭詬詢誅誂誄誨誡誑誥誦誚誣諄諍諂諚諫諳諧"],
+["e680","諤諱謔諠諢諷諞諛謌謇謚諡謖謐謗謠謳鞫謦謫謾謨譁譌譏譎證譖譛譚譫譟譬譯譴譽讀讌讎讒讓讖讙讚谺豁谿豈豌豎豐豕豢豬豸豺貂貉貅貊貍貎貔豼貘戝貭貪貽貲貳貮貶賈賁賤賣賚賽賺賻贄贅贊贇贏贍贐齎贓賍贔贖赧赭赱赳趁趙跂趾趺跏跚跖跌跛跋跪跫跟跣跼踈踉跿踝踞踐踟蹂踵踰踴蹊"],
+["e740","蹇蹉蹌蹐蹈蹙蹤蹠踪蹣蹕蹶蹲蹼躁躇躅躄躋躊躓躑躔躙躪躡躬躰軆躱躾軅軈軋軛軣軼軻軫軾輊輅輕輒輙輓輜輟輛輌輦輳輻輹轅轂輾轌轉轆轎轗轜"],
+["e780","轢轣轤辜辟辣辭辯辷迚迥迢迪迯邇迴逅迹迺逑逕逡逍逞逖逋逧逶逵逹迸遏遐遑遒逎遉逾遖遘遞遨遯遶隨遲邂遽邁邀邊邉邏邨邯邱邵郢郤扈郛鄂鄒鄙鄲鄰酊酖酘酣酥酩酳酲醋醉醂醢醫醯醪醵醴醺釀釁釉釋釐釖釟釡釛釼釵釶鈞釿鈔鈬鈕鈑鉞鉗鉅鉉鉤鉈銕鈿鉋鉐銜銖銓銛鉚鋏銹銷鋩錏鋺鍄錮"],
+["e840","錙錢錚錣錺錵錻鍜鍠鍼鍮鍖鎰鎬鎭鎔鎹鏖鏗鏨鏥鏘鏃鏝鏐鏈鏤鐚鐔鐓鐃鐇鐐鐶鐫鐵鐡鐺鑁鑒鑄鑛鑠鑢鑞鑪鈩鑰鑵鑷鑽鑚鑼鑾钁鑿閂閇閊閔閖閘閙"],
+["e880","閠閨閧閭閼閻閹閾闊濶闃闍闌闕闔闖關闡闥闢阡阨阮阯陂陌陏陋陷陜陞陝陟陦陲陬隍隘隕隗險隧隱隲隰隴隶隸隹雎雋雉雍襍雜霍雕雹霄霆霈霓霎霑霏霖霙霤霪霰霹霽霾靄靆靈靂靉靜靠靤靦靨勒靫靱靹鞅靼鞁靺鞆鞋鞏鞐鞜鞨鞦鞣鞳鞴韃韆韈韋韜韭齏韲竟韶韵頏頌頸頤頡頷頽顆顏顋顫顯顰"],
+["e940","顱顴顳颪颯颱颶飄飃飆飩飫餃餉餒餔餘餡餝餞餤餠餬餮餽餾饂饉饅饐饋饑饒饌饕馗馘馥馭馮馼駟駛駝駘駑駭駮駱駲駻駸騁騏騅駢騙騫騷驅驂驀驃"],
+["e980","騾驕驍驛驗驟驢驥驤驩驫驪骭骰骼髀髏髑髓體髞髟髢髣髦髯髫髮髴髱髷髻鬆鬘鬚鬟鬢鬣鬥鬧鬨鬩鬪鬮鬯鬲魄魃魏魍魎魑魘魴鮓鮃鮑鮖鮗鮟鮠鮨鮴鯀鯊鮹鯆鯏鯑鯒鯣鯢鯤鯔鯡鰺鯲鯱鯰鰕鰔鰉鰓鰌鰆鰈鰒鰊鰄鰮鰛鰥鰤鰡鰰鱇鰲鱆鰾鱚鱠鱧鱶鱸鳧鳬鳰鴉鴈鳫鴃鴆鴪鴦鶯鴣鴟鵄鴕鴒鵁鴿鴾鵆鵈"],
+["ea40","鵝鵞鵤鵑鵐鵙鵲鶉鶇鶫鵯鵺鶚鶤鶩鶲鷄鷁鶻鶸鶺鷆鷏鷂鷙鷓鷸鷦鷭鷯鷽鸚鸛鸞鹵鹹鹽麁麈麋麌麒麕麑麝麥麩麸麪麭靡黌黎黏黐黔黜點黝黠黥黨黯"],
+["ea80","黴黶黷黹黻黼黽鼇鼈皷鼕鼡鼬鼾齊齒齔齣齟齠齡齦齧齬齪齷齲齶龕龜龠堯槇遙瑤凜熙"],
+["ed40","纊褜鍈銈蓜俉炻昱棈鋹曻彅丨仡仼伀伃伹佖侒侊侚侔俍偀倢俿倞偆偰偂傔僴僘兊兤冝冾凬刕劜劦勀勛匀匇匤卲厓厲叝﨎咜咊咩哿喆坙坥垬埈埇﨏"],
+["ed80","塚增墲夋奓奛奝奣妤妺孖寀甯寘寬尞岦岺峵崧嵓﨑嵂嵭嶸嶹巐弡弴彧德忞恝悅悊惞惕愠惲愑愷愰憘戓抦揵摠撝擎敎昀昕昻昉昮昞昤晥晗晙晴晳暙暠暲暿曺朎朗杦枻桒柀栁桄棏﨓楨﨔榘槢樰橫橆橳橾櫢櫤毖氿汜沆汯泚洄涇浯涖涬淏淸淲淼渹湜渧渼溿澈澵濵瀅瀇瀨炅炫焏焄煜煆煇凞燁燾犱"],
+["ee40","犾猤猪獷玽珉珖珣珒琇珵琦琪琩琮瑢璉璟甁畯皂皜皞皛皦益睆劯砡硎硤硺礰礼神祥禔福禛竑竧靖竫箞精絈絜綷綠緖繒罇羡羽茁荢荿菇菶葈蒴蕓蕙"],
+["ee80","蕫﨟薰蘒﨡蠇裵訒訷詹誧誾諟諸諶譓譿賰賴贒赶﨣軏﨤逸遧郞都鄕鄧釚釗釞釭釮釤釥鈆鈐鈊鈺鉀鈼鉎鉙鉑鈹鉧銧鉷鉸鋧鋗鋙鋐﨧鋕鋠鋓錥錡鋻﨨錞鋿錝錂鍰鍗鎤鏆鏞鏸鐱鑅鑈閒隆﨩隝隯霳霻靃靍靏靑靕顗顥飯飼餧館馞驎髙髜魵魲鮏鮱鮻鰀鵰鵫鶴鸙黑"],
+["eeef","ⅰ",9,"￢￤＇＂"],
+["f040","",62],
+["f080","",124],
+["f140","",62],
+["f180","",124],
+["f240","",62],
+["f280","",124],
+["f340","",62],
+["f380","",124],
+["f440","",62],
+["f480","",124],
+["f540","",62],
+["f580","",124],
+["f640","",62],
+["f680","",124],
+["f740","",62],
+["f780","",124],
+["f840","",62],
+["f880","",124],
+["f940",""],
+["fa40","ⅰ",9,"Ⅰ",9,"￢￤＇＂㈱№℡∵纊褜鍈銈蓜俉炻昱棈鋹曻彅丨仡仼伀伃伹佖侒侊侚侔俍偀倢俿倞偆偰偂傔僴僘兊"],
+["fa80","兤冝冾凬刕劜劦勀勛匀匇匤卲厓厲叝﨎咜咊咩哿喆坙坥垬埈埇﨏塚增墲夋奓奛奝奣妤妺孖寀甯寘寬尞岦岺峵崧嵓﨑嵂嵭嶸嶹巐弡弴彧德忞恝悅悊惞惕愠惲愑愷愰憘戓抦揵摠撝擎敎昀昕昻昉昮昞昤晥晗晙晴晳暙暠暲暿曺朎朗杦枻桒柀栁桄棏﨓楨﨔榘槢樰橫橆橳橾櫢櫤毖氿汜沆汯泚洄涇浯"],
+["fb40","涖涬淏淸淲淼渹湜渧渼溿澈澵濵瀅瀇瀨炅炫焏焄煜煆煇凞燁燾犱犾猤猪獷玽珉珖珣珒琇珵琦琪琩琮瑢璉璟甁畯皂皜皞皛皦益睆劯砡硎硤硺礰礼神"],
+["fb80","祥禔福禛竑竧靖竫箞精絈絜綷綠緖繒罇羡羽茁荢荿菇菶葈蒴蕓蕙蕫﨟薰蘒﨡蠇裵訒訷詹誧誾諟諸諶譓譿賰賴贒赶﨣軏﨤逸遧郞都鄕鄧釚釗釞釭釮釤釥鈆鈐鈊鈺鉀鈼鉎鉙鉑鈹鉧銧鉷鉸鋧鋗鋙鋐﨧鋕鋠鋓錥錡鋻﨨錞鋿錝錂鍰鍗鎤鏆鏞鏸鐱鑅鑈閒隆﨩隝隯霳霻靃靍靏靑靕顗顥飯飼餧館馞驎髙"],
+["fc40","髜魵魲鮏鮱鮻鰀鵰鵫鶴鸙黑"]
+]
diff --git a/web/public/node_modules/iconv-lite/encodings/utf16.js b/web/public/node_modules/iconv-lite/encodings/utf16.js
new file mode 100644
index 000000000..97d066925
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/utf16.js
@@ -0,0 +1,197 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Note: UTF16-LE (or UCS2) codec is Node.js native. See encodings/internal.js
+
+// == UTF16-BE codec. ==========================================================
+
+exports.utf16be = Utf16BECodec;
+function Utf16BECodec() {
+}
+
+Utf16BECodec.prototype.encoder = Utf16BEEncoder;
+Utf16BECodec.prototype.decoder = Utf16BEDecoder;
+Utf16BECodec.prototype.bomAware = true;
+
+
+// -- Encoding
+
+function Utf16BEEncoder() {
+}
+
+Utf16BEEncoder.prototype.write = function(str) {
+    var buf = Buffer.from(str, 'ucs2');
+    for (var i = 0; i < buf.length; i += 2) {
+        var tmp = buf[i]; buf[i] = buf[i+1]; buf[i+1] = tmp;
+    }
+    return buf;
+}
+
+Utf16BEEncoder.prototype.end = function() {
+}
+
+
+// -- Decoding
+
+function Utf16BEDecoder() {
+    this.overflowByte = -1;
+}
+
+Utf16BEDecoder.prototype.write = function(buf) {
+    if (buf.length == 0)
+        return '';
+
+    var buf2 = Buffer.alloc(buf.length + 1),
+        i = 0, j = 0;
+
+    if (this.overflowByte !== -1) {
+        buf2[0] = buf[0];
+        buf2[1] = this.overflowByte;
+        i = 1; j = 2;
+    }
+
+    for (; i < buf.length-1; i += 2, j+= 2) {
+        buf2[j] = buf[i+1];
+        buf2[j+1] = buf[i];
+    }
+
+    this.overflowByte = (i == buf.length-1) ? buf[buf.length-1] : -1;
+
+    return buf2.slice(0, j).toString('ucs2');
+}
+
+Utf16BEDecoder.prototype.end = function() {
+    this.overflowByte = -1;
+}
+
+
+// == UTF-16 codec =============================================================
+// Decoder chooses automatically from UTF-16LE and UTF-16BE using BOM and space-based heuristic.
+// Defaults to UTF-16LE, as it's prevalent and default in Node.
+// http://en.wikipedia.org/wiki/UTF-16 and http://encoding.spec.whatwg.org/#utf-16le
+// Decoder default can be changed: iconv.decode(buf, 'utf16', {defaultEncoding: 'utf-16be'});
+
+// Encoder uses UTF-16LE and prepends BOM (which can be overridden with addBOM: false).
+
+exports.utf16 = Utf16Codec;
+function Utf16Codec(codecOptions, iconv) {
+    this.iconv = iconv;
+}
+
+Utf16Codec.prototype.encoder = Utf16Encoder;
+Utf16Codec.prototype.decoder = Utf16Decoder;
+
+
+// -- Encoding (pass-through)
+
+function Utf16Encoder(options, codec) {
+    options = options || {};
+    if (options.addBOM === undefined)
+        options.addBOM = true;
+    this.encoder = codec.iconv.getEncoder('utf-16le', options);
+}
+
+Utf16Encoder.prototype.write = function(str) {
+    return this.encoder.write(str);
+}
+
+Utf16Encoder.prototype.end = function() {
+    return this.encoder.end();
+}
+
+
+// -- Decoding
+
+function Utf16Decoder(options, codec) {
+    this.decoder = null;
+    this.initialBufs = [];
+    this.initialBufsLen = 0;
+
+    this.options = options || {};
+    this.iconv = codec.iconv;
+}
+
+Utf16Decoder.prototype.write = function(buf) {
+    if (!this.decoder) {
+        // Codec is not chosen yet. Accumulate initial bytes.
+        this.initialBufs.push(buf);
+        this.initialBufsLen += buf.length;
+        
+        if (this.initialBufsLen < 16) // We need more bytes to use space heuristic (see below)
+            return '';
+
+        // We have enough bytes -> detect endianness.
+        var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding);
+        this.decoder = this.iconv.getDecoder(encoding, this.options);
+
+        var resStr = '';
+        for (var i = 0; i < this.initialBufs.length; i++)
+            resStr += this.decoder.write(this.initialBufs[i]);
+
+        this.initialBufs.length = this.initialBufsLen = 0;
+        return resStr;
+    }
+
+    return this.decoder.write(buf);
+}
+
+Utf16Decoder.prototype.end = function() {
+    if (!this.decoder) {
+        var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding);
+        this.decoder = this.iconv.getDecoder(encoding, this.options);
+
+        var resStr = '';
+        for (var i = 0; i < this.initialBufs.length; i++)
+            resStr += this.decoder.write(this.initialBufs[i]);
+
+        var trail = this.decoder.end();
+        if (trail)
+            resStr += trail;
+
+        this.initialBufs.length = this.initialBufsLen = 0;
+        return resStr;
+    }
+    return this.decoder.end();
+}
+
+function detectEncoding(bufs, defaultEncoding) {
+    var b = [];
+    var charsProcessed = 0;
+    var asciiCharsLE = 0, asciiCharsBE = 0; // Number of ASCII chars when decoded as LE or BE.
+
+    outer_loop:
+    for (var i = 0; i < bufs.length; i++) {
+        var buf = bufs[i];
+        for (var j = 0; j < buf.length; j++) {
+            b.push(buf[j]);
+            if (b.length === 2) {
+                if (charsProcessed === 0) {
+                    // Check BOM first.
+                    if (b[0] === 0xFF && b[1] === 0xFE) return 'utf-16le';
+                    if (b[0] === 0xFE && b[1] === 0xFF) return 'utf-16be';
+                }
+
+                if (b[0] === 0 && b[1] !== 0) asciiCharsBE++;
+                if (b[0] !== 0 && b[1] === 0) asciiCharsLE++;
+
+                b.length = 0;
+                charsProcessed++;
+
+                if (charsProcessed >= 100) {
+                    break outer_loop;
+                }
+            }
+        }
+    }
+
+    // Make decisions.
+    // Most of the time, the content has ASCII chars (U+00**), but the opposite (U+**00) is uncommon.
+    // So, we count ASCII as if it was LE or BE, and decide from that.
+    if (asciiCharsBE > asciiCharsLE) return 'utf-16be';
+    if (asciiCharsBE < asciiCharsLE) return 'utf-16le';
+
+    // Couldn't decide (likely all zeros or not enough data).
+    return defaultEncoding || 'utf-16le';
+}
+
+
diff --git a/web/public/node_modules/iconv-lite/encodings/utf32.js b/web/public/node_modules/iconv-lite/encodings/utf32.js
new file mode 100644
index 000000000..2fa900a12
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/utf32.js
@@ -0,0 +1,319 @@
+'use strict';
+
+var Buffer = require('safer-buffer').Buffer;
+
+// == UTF32-LE/BE codec. ==========================================================
+
+exports._utf32 = Utf32Codec;
+
+function Utf32Codec(codecOptions, iconv) {
+    this.iconv = iconv;
+    this.bomAware = true;
+    this.isLE = codecOptions.isLE;
+}
+
+exports.utf32le = { type: '_utf32', isLE: true };
+exports.utf32be = { type: '_utf32', isLE: false };
+
+// Aliases
+exports.ucs4le = 'utf32le';
+exports.ucs4be = 'utf32be';
+
+Utf32Codec.prototype.encoder = Utf32Encoder;
+Utf32Codec.prototype.decoder = Utf32Decoder;
+
+// -- Encoding
+
+function Utf32Encoder(options, codec) {
+    this.isLE = codec.isLE;
+    this.highSurrogate = 0;
+}
+
+Utf32Encoder.prototype.write = function(str) {
+    var src = Buffer.from(str, 'ucs2');
+    var dst = Buffer.alloc(src.length * 2);
+    var write32 = this.isLE ? dst.writeUInt32LE : dst.writeUInt32BE;
+    var offset = 0;
+
+    for (var i = 0; i < src.length; i += 2) {
+        var code = src.readUInt16LE(i);
+        var isHighSurrogate = (0xD800 <= code && code < 0xDC00);
+        var isLowSurrogate = (0xDC00 <= code && code < 0xE000);
+
+        if (this.highSurrogate) {
+            if (isHighSurrogate || !isLowSurrogate) {
+                // There shouldn't be two high surrogates in a row, nor a high surrogate which isn't followed by a low
+                // surrogate. If this happens, keep the pending high surrogate as a stand-alone semi-invalid character
+                // (technically wrong, but expected by some applications, like Windows file names).
+                write32.call(dst, this.highSurrogate, offset);
+                offset += 4;
+            }
+            else {
+                // Create 32-bit value from high and low surrogates;
+                var codepoint = (((this.highSurrogate - 0xD800) << 10) | (code - 0xDC00)) + 0x10000;
+
+                write32.call(dst, codepoint, offset);
+                offset += 4;
+                this.highSurrogate = 0;
+
+                continue;
+            }
+        }
+
+        if (isHighSurrogate)
+            this.highSurrogate = code;
+        else {
+            // Even if the current character is a low surrogate, with no previous high surrogate, we'll
+            // encode it as a semi-invalid stand-alone character for the same reasons expressed above for
+            // unpaired high surrogates.
+            write32.call(dst, code, offset);
+            offset += 4;
+            this.highSurrogate = 0;
+        }
+    }
+
+    if (offset < dst.length)
+        dst = dst.slice(0, offset);
+
+    return dst;
+};
+
+Utf32Encoder.prototype.end = function() {
+    // Treat any leftover high surrogate as a semi-valid independent character.
+    if (!this.highSurrogate)
+        return;
+
+    var buf = Buffer.alloc(4);
+
+    if (this.isLE)
+        buf.writeUInt32LE(this.highSurrogate, 0);
+    else
+        buf.writeUInt32BE(this.highSurrogate, 0);
+
+    this.highSurrogate = 0;
+
+    return buf;
+};
+
+// -- Decoding
+
+function Utf32Decoder(options, codec) {
+    this.isLE = codec.isLE;
+    this.badChar = codec.iconv.defaultCharUnicode.charCodeAt(0);
+    this.overflow = [];
+}
+
+Utf32Decoder.prototype.write = function(src) {
+    if (src.length === 0)
+        return '';
+
+    var i = 0;
+    var codepoint = 0;
+    var dst = Buffer.alloc(src.length + 4);
+    var offset = 0;
+    var isLE = this.isLE;
+    var overflow = this.overflow;
+    var badChar = this.badChar;
+
+    if (overflow.length > 0) {
+        for (; i < src.length && overflow.length < 4; i++)
+            overflow.push(src[i]);
+        
+        if (overflow.length === 4) {
+            // NOTE: codepoint is a signed int32 and can be negative.
+            // NOTE: We copied this block from below to help V8 optimize it (it works with array, not buffer).
+            if (isLE) {
+                codepoint = overflow[i] | (overflow[i+1] << 8) | (overflow[i+2] << 16) | (overflow[i+3] << 24);
+            } else {
+                codepoint = overflow[i+3] | (overflow[i+2] << 8) | (overflow[i+1] << 16) | (overflow[i] << 24);
+            }
+            overflow.length = 0;
+
+            offset = _writeCodepoint(dst, offset, codepoint, badChar);
+        }
+    }
+
+    // Main loop. Should be as optimized as possible.
+    for (; i < src.length - 3; i += 4) {
+        // NOTE: codepoint is a signed int32 and can be negative.
+        if (isLE) {
+            codepoint = src[i] | (src[i+1] << 8) | (src[i+2] << 16) | (src[i+3] << 24);
+        } else {
+            codepoint = src[i+3] | (src[i+2] << 8) | (src[i+1] << 16) | (src[i] << 24);
+        }
+        offset = _writeCodepoint(dst, offset, codepoint, badChar);
+    }
+
+    // Keep overflowing bytes.
+    for (; i < src.length; i++) {
+        overflow.push(src[i]);
+    }
+
+    return dst.slice(0, offset).toString('ucs2');
+};
+
+function _writeCodepoint(dst, offset, codepoint, badChar) {
+    // NOTE: codepoint is signed int32 and can be negative. We keep it that way to help V8 with optimizations.
+    if (codepoint < 0 || codepoint > 0x10FFFF) {
+        // Not a valid Unicode codepoint
+        codepoint = badChar;
+    } 
+
+    // Ephemeral Planes: Write high surrogate.
+    if (codepoint >= 0x10000) {
+        codepoint -= 0x10000;
+
+        var high = 0xD800 | (codepoint >> 10);
+        dst[offset++] = high & 0xff;
+        dst[offset++] = high >> 8;
+
+        // Low surrogate is written below.
+        var codepoint = 0xDC00 | (codepoint & 0x3FF);
+    }
+
+    // Write BMP char or low surrogate.
+    dst[offset++] = codepoint & 0xff;
+    dst[offset++] = codepoint >> 8;
+
+    return offset;
+};
+
+Utf32Decoder.prototype.end = function() {
+    this.overflow.length = 0;
+};
+
+// == UTF-32 Auto codec =============================================================
+// Decoder chooses automatically from UTF-32LE and UTF-32BE using BOM and space-based heuristic.
+// Defaults to UTF-32LE. http://en.wikipedia.org/wiki/UTF-32
+// Encoder/decoder default can be changed: iconv.decode(buf, 'utf32', {defaultEncoding: 'utf-32be'});
+
+// Encoder prepends BOM (which can be overridden with (addBOM: false}).
+
+exports.utf32 = Utf32AutoCodec;
+exports.ucs4 = 'utf32';
+
+function Utf32AutoCodec(options, iconv) {
+    this.iconv = iconv;
+}
+
+Utf32AutoCodec.prototype.encoder = Utf32AutoEncoder;
+Utf32AutoCodec.prototype.decoder = Utf32AutoDecoder;
+
+// -- Encoding
+
+function Utf32AutoEncoder(options, codec) {
+    options = options || {};
+
+    if (options.addBOM === undefined)
+        options.addBOM = true;
+
+    this.encoder = codec.iconv.getEncoder(options.defaultEncoding || 'utf-32le', options);
+}
+
+Utf32AutoEncoder.prototype.write = function(str) {
+    return this.encoder.write(str);
+};
+
+Utf32AutoEncoder.prototype.end = function() {
+    return this.encoder.end();
+};
+
+// -- Decoding
+
+function Utf32AutoDecoder(options, codec) {
+    this.decoder = null;
+    this.initialBufs = [];
+    this.initialBufsLen = 0;
+    this.options = options || {};
+    this.iconv = codec.iconv;
+}
+
+Utf32AutoDecoder.prototype.write = function(buf) {
+    if (!this.decoder) { 
+        // Codec is not chosen yet. Accumulate initial bytes.
+        this.initialBufs.push(buf);
+        this.initialBufsLen += buf.length;
+
+        if (this.initialBufsLen < 32) // We need more bytes to use space heuristic (see below)
+            return '';
+
+        // We have enough bytes -> detect endianness.
+        var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding);
+        this.decoder = this.iconv.getDecoder(encoding, this.options);
+
+        var resStr = '';
+        for (var i = 0; i < this.initialBufs.length; i++)
+            resStr += this.decoder.write(this.initialBufs[i]);
+
+        this.initialBufs.length = this.initialBufsLen = 0;
+        return resStr;
+    }
+
+    return this.decoder.write(buf);
+};
+
+Utf32AutoDecoder.prototype.end = function() {
+    if (!this.decoder) {
+        var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding);
+        this.decoder = this.iconv.getDecoder(encoding, this.options);
+
+        var resStr = '';
+        for (var i = 0; i < this.initialBufs.length; i++)
+            resStr += this.decoder.write(this.initialBufs[i]);
+
+        var trail = this.decoder.end();
+        if (trail)
+            resStr += trail;
+
+        this.initialBufs.length = this.initialBufsLen = 0;
+        return resStr;
+    }
+
+    return this.decoder.end();
+};
+
+function detectEncoding(bufs, defaultEncoding) {
+    var b = [];
+    var charsProcessed = 0;
+    var invalidLE = 0, invalidBE = 0;   // Number of invalid chars when decoded as LE or BE.
+    var bmpCharsLE = 0, bmpCharsBE = 0; // Number of BMP chars when decoded as LE or BE.
+
+    outer_loop:
+    for (var i = 0; i < bufs.length; i++) {
+        var buf = bufs[i];
+        for (var j = 0; j < buf.length; j++) {
+            b.push(buf[j]);
+            if (b.length === 4) {
+                if (charsProcessed === 0) {
+                    // Check BOM first.
+                    if (b[0] === 0xFF && b[1] === 0xFE && b[2] === 0 && b[3] === 0) {
+                        return 'utf-32le';
+                    }
+                    if (b[0] === 0 && b[1] === 0 && b[2] === 0xFE && b[3] === 0xFF) {
+                        return 'utf-32be';
+                    }
+                }
+
+                if (b[0] !== 0 || b[1] > 0x10) invalidBE++;
+                if (b[3] !== 0 || b[2] > 0x10) invalidLE++;
+
+                if (b[0] === 0 && b[1] === 0 && (b[2] !== 0 || b[3] !== 0)) bmpCharsBE++;
+                if ((b[0] !== 0 || b[1] !== 0) && b[2] === 0 && b[3] === 0) bmpCharsLE++;
+
+                b.length = 0;
+                charsProcessed++;
+
+                if (charsProcessed >= 100) {
+                    break outer_loop;
+                }
+            }
+        }
+    }
+
+    // Make decisions.
+    if (bmpCharsBE - invalidBE > bmpCharsLE - invalidLE)  return 'utf-32be';
+    if (bmpCharsBE - invalidBE < bmpCharsLE - invalidLE)  return 'utf-32le';
+
+    // Couldn't decide (likely all zeros or not enough data).
+    return defaultEncoding || 'utf-32le';
+}
diff --git a/web/public/node_modules/iconv-lite/encodings/utf7.js b/web/public/node_modules/iconv-lite/encodings/utf7.js
new file mode 100644
index 000000000..eacae34d5
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/encodings/utf7.js
@@ -0,0 +1,290 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// UTF-7 codec, according to https://tools.ietf.org/html/rfc2152
+// See also below a UTF-7-IMAP codec, according to http://tools.ietf.org/html/rfc3501#section-5.1.3
+
+exports.utf7 = Utf7Codec;
+exports.unicode11utf7 = 'utf7'; // Alias UNICODE-1-1-UTF-7
+function Utf7Codec(codecOptions, iconv) {
+    this.iconv = iconv;
+};
+
+Utf7Codec.prototype.encoder = Utf7Encoder;
+Utf7Codec.prototype.decoder = Utf7Decoder;
+Utf7Codec.prototype.bomAware = true;
+
+
+// -- Encoding
+
+var nonDirectChars = /[^A-Za-z0-9'\(\),-\.\/:\? \n\r\t]+/g;
+
+function Utf7Encoder(options, codec) {
+    this.iconv = codec.iconv;
+}
+
+Utf7Encoder.prototype.write = function(str) {
+    // Naive implementation.
+    // Non-direct chars are encoded as "+<base64>-"; single "+" char is encoded as "+-".
+    return Buffer.from(str.replace(nonDirectChars, function(chunk) {
+        return "+" + (chunk === '+' ? '' : 
+            this.iconv.encode(chunk, 'utf16-be').toString('base64').replace(/=+$/, '')) 
+            + "-";
+    }.bind(this)));
+}
+
+Utf7Encoder.prototype.end = function() {
+}
+
+
+// -- Decoding
+
+function Utf7Decoder(options, codec) {
+    this.iconv = codec.iconv;
+    this.inBase64 = false;
+    this.base64Accum = '';
+}
+
+var base64Regex = /[A-Za-z0-9\/+]/;
+var base64Chars = [];
+for (var i = 0; i < 256; i++)
+    base64Chars[i] = base64Regex.test(String.fromCharCode(i));
+
+var plusChar = '+'.charCodeAt(0), 
+    minusChar = '-'.charCodeAt(0),
+    andChar = '&'.charCodeAt(0);
+
+Utf7Decoder.prototype.write = function(buf) {
+    var res = "", lastI = 0,
+        inBase64 = this.inBase64,
+        base64Accum = this.base64Accum;
+
+    // The decoder is more involved as we must handle chunks in stream.
+
+    for (var i = 0; i < buf.length; i++) {
+        if (!inBase64) { // We're in direct mode.
+            // Write direct chars until '+'
+            if (buf[i] == plusChar) {
+                res += this.iconv.decode(buf.slice(lastI, i), "ascii"); // Write direct chars.
+                lastI = i+1;
+                inBase64 = true;
+            }
+        } else { // We decode base64.
+            if (!base64Chars[buf[i]]) { // Base64 ended.
+                if (i == lastI && buf[i] == minusChar) {// "+-" -> "+"
+                    res += "+";
+                } else {
+                    var b64str = base64Accum + this.iconv.decode(buf.slice(lastI, i), "ascii");
+                    res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+                }
+
+                if (buf[i] != minusChar) // Minus is absorbed after base64.
+                    i--;
+
+                lastI = i+1;
+                inBase64 = false;
+                base64Accum = '';
+            }
+        }
+    }
+
+    if (!inBase64) {
+        res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars.
+    } else {
+        var b64str = base64Accum + this.iconv.decode(buf.slice(lastI), "ascii");
+
+        var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars.
+        base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future.
+        b64str = b64str.slice(0, canBeDecoded);
+
+        res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+    }
+
+    this.inBase64 = inBase64;
+    this.base64Accum = base64Accum;
+
+    return res;
+}
+
+Utf7Decoder.prototype.end = function() {
+    var res = "";
+    if (this.inBase64 && this.base64Accum.length > 0)
+        res = this.iconv.decode(Buffer.from(this.base64Accum, 'base64'), "utf16-be");
+
+    this.inBase64 = false;
+    this.base64Accum = '';
+    return res;
+}
+
+
+// UTF-7-IMAP codec.
+// RFC3501 Sec. 5.1.3 Modified UTF-7 (http://tools.ietf.org/html/rfc3501#section-5.1.3)
+// Differences:
+//  * Base64 part is started by "&" instead of "+"
+//  * Direct characters are 0x20-0x7E, except "&" (0x26)
+//  * In Base64, "," is used instead of "/"
+//  * Base64 must not be used to represent direct characters.
+//  * No implicit shift back from Base64 (should always end with '-')
+//  * String must end in non-shifted position.
+//  * "-&" while in base64 is not allowed.
+
+
+exports.utf7imap = Utf7IMAPCodec;
+function Utf7IMAPCodec(codecOptions, iconv) {
+    this.iconv = iconv;
+};
+
+Utf7IMAPCodec.prototype.encoder = Utf7IMAPEncoder;
+Utf7IMAPCodec.prototype.decoder = Utf7IMAPDecoder;
+Utf7IMAPCodec.prototype.bomAware = true;
+
+
+// -- Encoding
+
+function Utf7IMAPEncoder(options, codec) {
+    this.iconv = codec.iconv;
+    this.inBase64 = false;
+    this.base64Accum = Buffer.alloc(6);
+    this.base64AccumIdx = 0;
+}
+
+Utf7IMAPEncoder.prototype.write = function(str) {
+    var inBase64 = this.inBase64,
+        base64Accum = this.base64Accum,
+        base64AccumIdx = this.base64AccumIdx,
+        buf = Buffer.alloc(str.length*5 + 10), bufIdx = 0;
+
+    for (var i = 0; i < str.length; i++) {
+        var uChar = str.charCodeAt(i);
+        if (0x20 <= uChar && uChar <= 0x7E) { // Direct character or '&'.
+            if (inBase64) {
+                if (base64AccumIdx > 0) {
+                    bufIdx += buf.write(base64Accum.slice(0, base64AccumIdx).toString('base64').replace(/\//g, ',').replace(/=+$/, ''), bufIdx);
+                    base64AccumIdx = 0;
+                }
+
+                buf[bufIdx++] = minusChar; // Write '-', then go to direct mode.
+                inBase64 = false;
+            }
+
+            if (!inBase64) {
+                buf[bufIdx++] = uChar; // Write direct character
+
+                if (uChar === andChar)  // Ampersand -> '&-'
+                    buf[bufIdx++] = minusChar;
+            }
+
+        } else { // Non-direct character
+            if (!inBase64) {
+                buf[bufIdx++] = andChar; // Write '&', then go to base64 mode.
+                inBase64 = true;
+            }
+            if (inBase64) {
+                base64Accum[base64AccumIdx++] = uChar >> 8;
+                base64Accum[base64AccumIdx++] = uChar & 0xFF;
+
+                if (base64AccumIdx == base64Accum.length) {
+                    bufIdx += buf.write(base64Accum.toString('base64').replace(/\//g, ','), bufIdx);
+                    base64AccumIdx = 0;
+                }
+            }
+        }
+    }
+
+    this.inBase64 = inBase64;
+    this.base64AccumIdx = base64AccumIdx;
+
+    return buf.slice(0, bufIdx);
+}
+
+Utf7IMAPEncoder.prototype.end = function() {
+    var buf = Buffer.alloc(10), bufIdx = 0;
+    if (this.inBase64) {
+        if (this.base64AccumIdx > 0) {
+            bufIdx += buf.write(this.base64Accum.slice(0, this.base64AccumIdx).toString('base64').replace(/\//g, ',').replace(/=+$/, ''), bufIdx);
+            this.base64AccumIdx = 0;
+        }
+
+        buf[bufIdx++] = minusChar; // Write '-', then go to direct mode.
+        this.inBase64 = false;
+    }
+
+    return buf.slice(0, bufIdx);
+}
+
+
+// -- Decoding
+
+function Utf7IMAPDecoder(options, codec) {
+    this.iconv = codec.iconv;
+    this.inBase64 = false;
+    this.base64Accum = '';
+}
+
+var base64IMAPChars = base64Chars.slice();
+base64IMAPChars[','.charCodeAt(0)] = true;
+
+Utf7IMAPDecoder.prototype.write = function(buf) {
+    var res = "", lastI = 0,
+        inBase64 = this.inBase64,
+        base64Accum = this.base64Accum;
+
+    // The decoder is more involved as we must handle chunks in stream.
+    // It is forgiving, closer to standard UTF-7 (for example, '-' is optional at the end).
+
+    for (var i = 0; i < buf.length; i++) {
+        if (!inBase64) { // We're in direct mode.
+            // Write direct chars until '&'
+            if (buf[i] == andChar) {
+                res += this.iconv.decode(buf.slice(lastI, i), "ascii"); // Write direct chars.
+                lastI = i+1;
+                inBase64 = true;
+            }
+        } else { // We decode base64.
+            if (!base64IMAPChars[buf[i]]) { // Base64 ended.
+                if (i == lastI && buf[i] == minusChar) { // "&-" -> "&"
+                    res += "&";
+                } else {
+                    var b64str = base64Accum + this.iconv.decode(buf.slice(lastI, i), "ascii").replace(/,/g, '/');
+                    res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+                }
+
+                if (buf[i] != minusChar) // Minus may be absorbed after base64.
+                    i--;
+
+                lastI = i+1;
+                inBase64 = false;
+                base64Accum = '';
+            }
+        }
+    }
+
+    if (!inBase64) {
+        res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars.
+    } else {
+        var b64str = base64Accum + this.iconv.decode(buf.slice(lastI), "ascii").replace(/,/g, '/');
+
+        var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars.
+        base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future.
+        b64str = b64str.slice(0, canBeDecoded);
+
+        res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+    }
+
+    this.inBase64 = inBase64;
+    this.base64Accum = base64Accum;
+
+    return res;
+}
+
+Utf7IMAPDecoder.prototype.end = function() {
+    var res = "";
+    if (this.inBase64 && this.base64Accum.length > 0)
+        res = this.iconv.decode(Buffer.from(this.base64Accum, 'base64'), "utf16-be");
+
+    this.inBase64 = false;
+    this.base64Accum = '';
+    return res;
+}
+
+
diff --git a/web/public/node_modules/iconv-lite/lib/bom-handling.js b/web/public/node_modules/iconv-lite/lib/bom-handling.js
new file mode 100644
index 000000000..105087238
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/lib/bom-handling.js
@@ -0,0 +1,52 @@
+"use strict";
+
+var BOMChar = '\uFEFF';
+
+exports.PrependBOM = PrependBOMWrapper
+function PrependBOMWrapper(encoder, options) {
+    this.encoder = encoder;
+    this.addBOM = true;
+}
+
+PrependBOMWrapper.prototype.write = function(str) {
+    if (this.addBOM) {
+        str = BOMChar + str;
+        this.addBOM = false;
+    }
+
+    return this.encoder.write(str);
+}
+
+PrependBOMWrapper.prototype.end = function() {
+    return this.encoder.end();
+}
+
+
+//------------------------------------------------------------------------------
+
+exports.StripBOM = StripBOMWrapper;
+function StripBOMWrapper(decoder, options) {
+    this.decoder = decoder;
+    this.pass = false;
+    this.options = options || {};
+}
+
+StripBOMWrapper.prototype.write = function(buf) {
+    var res = this.decoder.write(buf);
+    if (this.pass || !res)
+        return res;
+
+    if (res[0] === BOMChar) {
+        res = res.slice(1);
+        if (typeof this.options.stripBOM === 'function')
+            this.options.stripBOM();
+    }
+
+    this.pass = true;
+    return res;
+}
+
+StripBOMWrapper.prototype.end = function() {
+    return this.decoder.end();
+}
+
diff --git a/web/public/node_modules/iconv-lite/lib/index.d.ts b/web/public/node_modules/iconv-lite/lib/index.d.ts
new file mode 100644
index 000000000..99f200f4a
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/lib/index.d.ts
@@ -0,0 +1,41 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License.
+ *  REQUIREMENT: This definition is dependent on the @types/node definition.
+ *  Install with `npm install @types/node --save-dev`
+ *--------------------------------------------------------------------------------------------*/
+
+declare module 'iconv-lite' {
+	// Basic API
+	export function decode(buffer: Buffer, encoding: string, options?: Options): string;
+
+	export function encode(content: string, encoding: string, options?: Options): Buffer;
+
+	export function encodingExists(encoding: string): boolean;
+
+	// Stream API
+	export function decodeStream(encoding: string, options?: Options): NodeJS.ReadWriteStream;
+
+	export function encodeStream(encoding: string, options?: Options): NodeJS.ReadWriteStream;
+
+	// Low-level stream APIs
+	export function getEncoder(encoding: string, options?: Options): EncoderStream;
+
+	export function getDecoder(encoding: string, options?: Options): DecoderStream;
+}
+
+export interface Options {
+    stripBOM?: boolean;
+    addBOM?: boolean;
+    defaultEncoding?: string;
+}
+
+export interface EncoderStream {
+	write(str: string): Buffer;
+	end(): Buffer | undefined;
+}
+
+export interface DecoderStream {
+	write(buf: Buffer): string;
+	end(): string | undefined;
+}
diff --git a/web/public/node_modules/iconv-lite/lib/index.js b/web/public/node_modules/iconv-lite/lib/index.js
new file mode 100644
index 000000000..657701c38
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/lib/index.js
@@ -0,0 +1,180 @@
+"use strict";
+
+var Buffer = require("safer-buffer").Buffer;
+
+var bomHandling = require("./bom-handling"),
+    iconv = module.exports;
+
+// All codecs and aliases are kept here, keyed by encoding name/alias.
+// They are lazy loaded in `iconv.getCodec` from `encodings/index.js`.
+iconv.encodings = null;
+
+// Characters emitted in case of error.
+iconv.defaultCharUnicode = '�';
+iconv.defaultCharSingleByte = '?';
+
+// Public API.
+iconv.encode = function encode(str, encoding, options) {
+    str = "" + (str || ""); // Ensure string.
+
+    var encoder = iconv.getEncoder(encoding, options);
+
+    var res = encoder.write(str);
+    var trail = encoder.end();
+    
+    return (trail && trail.length > 0) ? Buffer.concat([res, trail]) : res;
+}
+
+iconv.decode = function decode(buf, encoding, options) {
+    if (typeof buf === 'string') {
+        if (!iconv.skipDecodeWarning) {
+            console.error('Iconv-lite warning: decode()-ing strings is deprecated. Refer to https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding');
+            iconv.skipDecodeWarning = true;
+        }
+
+        buf = Buffer.from("" + (buf || ""), "binary"); // Ensure buffer.
+    }
+
+    var decoder = iconv.getDecoder(encoding, options);
+
+    var res = decoder.write(buf);
+    var trail = decoder.end();
+
+    return trail ? (res + trail) : res;
+}
+
+iconv.encodingExists = function encodingExists(enc) {
+    try {
+        iconv.getCodec(enc);
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
+
+// Legacy aliases to convert functions
+iconv.toEncoding = iconv.encode;
+iconv.fromEncoding = iconv.decode;
+
+// Search for a codec in iconv.encodings. Cache codec data in iconv._codecDataCache.
+iconv._codecDataCache = {};
+iconv.getCodec = function getCodec(encoding) {
+    if (!iconv.encodings)
+        iconv.encodings = require("../encodings"); // Lazy load all encoding definitions.
+    
+    // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+    var enc = iconv._canonicalizeEncoding(encoding);
+
+    // Traverse iconv.encodings to find actual codec.
+    var codecOptions = {};
+    while (true) {
+        var codec = iconv._codecDataCache[enc];
+        if (codec)
+            return codec;
+
+        var codecDef = iconv.encodings[enc];
+
+        switch (typeof codecDef) {
+            case "string": // Direct alias to other encoding.
+                enc = codecDef;
+                break;
+
+            case "object": // Alias with options. Can be layered.
+                for (var key in codecDef)
+                    codecOptions[key] = codecDef[key];
+
+                if (!codecOptions.encodingName)
+                    codecOptions.encodingName = enc;
+                
+                enc = codecDef.type;
+                break;
+
+            case "function": // Codec itself.
+                if (!codecOptions.encodingName)
+                    codecOptions.encodingName = enc;
+
+                // The codec function must load all tables and return object with .encoder and .decoder methods.
+                // It'll be called only once (for each different options object).
+                codec = new codecDef(codecOptions, iconv);
+
+                iconv._codecDataCache[codecOptions.encodingName] = codec; // Save it to be reused later.
+                return codec;
+
+            default:
+                throw new Error("Encoding not recognized: '" + encoding + "' (searched as: '"+enc+"')");
+        }
+    }
+}
+
+iconv._canonicalizeEncoding = function(encoding) {
+    // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+    return (''+encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, "");
+}
+
+iconv.getEncoder = function getEncoder(encoding, options) {
+    var codec = iconv.getCodec(encoding),
+        encoder = new codec.encoder(options, codec);
+
+    if (codec.bomAware && options && options.addBOM)
+        encoder = new bomHandling.PrependBOM(encoder, options);
+
+    return encoder;
+}
+
+iconv.getDecoder = function getDecoder(encoding, options) {
+    var codec = iconv.getCodec(encoding),
+        decoder = new codec.decoder(options, codec);
+
+    if (codec.bomAware && !(options && options.stripBOM === false))
+        decoder = new bomHandling.StripBOM(decoder, options);
+
+    return decoder;
+}
+
+// Streaming API
+// NOTE: Streaming API naturally depends on 'stream' module from Node.js. Unfortunately in browser environments this module can add
+// up to 100Kb to the output bundle. To avoid unnecessary code bloat, we don't enable Streaming API in browser by default.
+// If you would like to enable it explicitly, please add the following code to your app:
+// > iconv.enableStreamingAPI(require('stream'));
+iconv.enableStreamingAPI = function enableStreamingAPI(stream_module) {
+    if (iconv.supportsStreams)
+        return;
+
+    // Dependency-inject stream module to create IconvLite stream classes.
+    var streams = require("./streams")(stream_module);
+
+    // Not public API yet, but expose the stream classes.
+    iconv.IconvLiteEncoderStream = streams.IconvLiteEncoderStream;
+    iconv.IconvLiteDecoderStream = streams.IconvLiteDecoderStream;
+
+    // Streaming API.
+    iconv.encodeStream = function encodeStream(encoding, options) {
+        return new iconv.IconvLiteEncoderStream(iconv.getEncoder(encoding, options), options);
+    }
+
+    iconv.decodeStream = function decodeStream(encoding, options) {
+        return new iconv.IconvLiteDecoderStream(iconv.getDecoder(encoding, options), options);
+    }
+
+    iconv.supportsStreams = true;
+}
+
+// Enable Streaming API automatically if 'stream' module is available and non-empty (the majority of environments).
+var stream_module;
+try {
+    stream_module = require("stream");
+} catch (e) {}
+
+if (stream_module && stream_module.Transform) {
+    iconv.enableStreamingAPI(stream_module);
+
+} else {
+    // In rare cases where 'stream' module is not available by default, throw a helpful exception.
+    iconv.encodeStream = iconv.decodeStream = function() {
+        throw new Error("iconv-lite Streaming API is not enabled. Use iconv.enableStreamingAPI(require('stream')); to enable it.");
+    };
+}
+
+if ("Ā" != "\u0100") {
+    console.error("iconv-lite warning: js files use non-utf8 encoding. See https://github.com/ashtuchkin/iconv-lite/wiki/Javascript-source-file-encodings for more info.");
+}
diff --git a/web/public/node_modules/iconv-lite/lib/streams.js b/web/public/node_modules/iconv-lite/lib/streams.js
new file mode 100644
index 000000000..a1506482f
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/lib/streams.js
@@ -0,0 +1,109 @@
+"use strict";
+
+var Buffer = require("safer-buffer").Buffer;
+
+// NOTE: Due to 'stream' module being pretty large (~100Kb, significant in browser environments), 
+// we opt to dependency-inject it instead of creating a hard dependency.
+module.exports = function(stream_module) {
+    var Transform = stream_module.Transform;
+
+    // == Encoder stream =======================================================
+
+    function IconvLiteEncoderStream(conv, options) {
+        this.conv = conv;
+        options = options || {};
+        options.decodeStrings = false; // We accept only strings, so we don't need to decode them.
+        Transform.call(this, options);
+    }
+
+    IconvLiteEncoderStream.prototype = Object.create(Transform.prototype, {
+        constructor: { value: IconvLiteEncoderStream }
+    });
+
+    IconvLiteEncoderStream.prototype._transform = function(chunk, encoding, done) {
+        if (typeof chunk != 'string')
+            return done(new Error("Iconv encoding stream needs strings as its input."));
+        try {
+            var res = this.conv.write(chunk);
+            if (res && res.length) this.push(res);
+            done();
+        }
+        catch (e) {
+            done(e);
+        }
+    }
+
+    IconvLiteEncoderStream.prototype._flush = function(done) {
+        try {
+            var res = this.conv.end();
+            if (res && res.length) this.push(res);
+            done();
+        }
+        catch (e) {
+            done(e);
+        }
+    }
+
+    IconvLiteEncoderStream.prototype.collect = function(cb) {
+        var chunks = [];
+        this.on('error', cb);
+        this.on('data', function(chunk) { chunks.push(chunk); });
+        this.on('end', function() {
+            cb(null, Buffer.concat(chunks));
+        });
+        return this;
+    }
+
+
+    // == Decoder stream =======================================================
+
+    function IconvLiteDecoderStream(conv, options) {
+        this.conv = conv;
+        options = options || {};
+        options.encoding = this.encoding = 'utf8'; // We output strings.
+        Transform.call(this, options);
+    }
+
+    IconvLiteDecoderStream.prototype = Object.create(Transform.prototype, {
+        constructor: { value: IconvLiteDecoderStream }
+    });
+
+    IconvLiteDecoderStream.prototype._transform = function(chunk, encoding, done) {
+        if (!Buffer.isBuffer(chunk) && !(chunk instanceof Uint8Array))
+            return done(new Error("Iconv decoding stream needs buffers as its input."));
+        try {
+            var res = this.conv.write(chunk);
+            if (res && res.length) this.push(res, this.encoding);
+            done();
+        }
+        catch (e) {
+            done(e);
+        }
+    }
+
+    IconvLiteDecoderStream.prototype._flush = function(done) {
+        try {
+            var res = this.conv.end();
+            if (res && res.length) this.push(res, this.encoding);                
+            done();
+        }
+        catch (e) {
+            done(e);
+        }
+    }
+
+    IconvLiteDecoderStream.prototype.collect = function(cb) {
+        var res = '';
+        this.on('error', cb);
+        this.on('data', function(chunk) { res += chunk; });
+        this.on('end', function() {
+            cb(null, res);
+        });
+        return this;
+    }
+
+    return {
+        IconvLiteEncoderStream: IconvLiteEncoderStream,
+        IconvLiteDecoderStream: IconvLiteDecoderStream,
+    };
+};
diff --git a/web/public/node_modules/iconv-lite/package.json b/web/public/node_modules/iconv-lite/package.json
new file mode 100644
index 000000000..d351115a8
--- /dev/null
+++ b/web/public/node_modules/iconv-lite/package.json
@@ -0,0 +1,44 @@
+{
+    "name": "iconv-lite",
+    "description": "Convert character encodings in pure javascript.",
+    "version": "0.6.3",
+    "license": "MIT",
+    "keywords": [
+        "iconv",
+        "convert",
+        "charset",
+        "icu"
+    ],
+    "author": "Alexander Shtuchkin <ashtuchkin@gmail.com>",
+    "main": "./lib/index.js",
+    "typings": "./lib/index.d.ts",
+    "homepage": "https://github.com/ashtuchkin/iconv-lite",
+    "bugs": "https://github.com/ashtuchkin/iconv-lite/issues",
+    "repository": {
+        "type": "git",
+        "url": "git://github.com/ashtuchkin/iconv-lite.git"
+    },
+    "engines": {
+        "node": ">=0.10.0"
+    },
+    "scripts": {
+        "coverage": "c8 _mocha --grep .",
+        "test": "mocha --reporter spec --grep ."
+    },
+    "browser": {
+        "stream": false
+    },
+    "devDependencies": {
+        "async": "^3.2.0",
+        "c8": "^7.2.0",
+        "errto": "^0.2.1",
+        "iconv": "^2.3.5",
+        "mocha": "^3.5.3",
+        "request": "^2.88.2",
+        "semver": "^6.3.0",
+        "unorm": "^1.6.0"
+    },
+    "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+    }
+}
diff --git a/web/public/node_modules/js-base64/LICENSE.md b/web/public/node_modules/js-base64/LICENSE.md
new file mode 100644
index 000000000..fd579a40a
--- /dev/null
+++ b/web/public/node_modules/js-base64/LICENSE.md
@@ -0,0 +1,27 @@
+Copyright (c) 2014, Dan Kogai
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of {{{project}}} nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/web/public/node_modules/js-base64/README.md b/web/public/node_modules/js-base64/README.md
new file mode 100644
index 000000000..19b070971
--- /dev/null
+++ b/web/public/node_modules/js-base64/README.md
@@ -0,0 +1,169 @@
+[![CI via GitHub Actions](https://github.com/dankogai/js-base64/actions/workflows/node.js.yml/badge.svg)](https://github.com/dankogai/js-base64/actions/workflows/node.js.yml)
+
+# base64.js
+
+Yet another [Base64] transcoder.
+
+[Base64]: http://en.wikipedia.org/wiki/Base64
+
+## Install
+
+```shell
+$ npm install --save js-base64
+```
+
+## Usage
+
+### In Browser
+
+Locally…
+
+```html
+<script src="base64.js"></script>
+```
+
+… or Directly from CDN.  In which case you don't even need to install.
+
+```html
+<script src="https://cdn.jsdelivr.net/npm/js-base64@3.7.7/base64.min.js"></script>
+```
+
+This good old way loads `Base64` in the global context (`window`).  Though `Base64.noConflict()` is made available, you should consider using ES6 Module to avoid tainting `window`.
+
+### As an ES6 Module
+
+locally…
+
+```javascript
+import { Base64 } from 'js-base64';
+```
+
+```javascript
+// or if you prefer no Base64 namespace
+import { encode, decode } from 'js-base64';
+```
+
+or even remotely.
+
+```html
+<script type="module">
+// note jsdelivr.net does not automatically minify .mjs
+import { Base64 } from 'https://cdn.jsdelivr.net/npm/js-base64@3.7.7/base64.mjs';
+</script>
+```
+
+```html
+<script type="module">
+// or if you prefer no Base64 namespace
+import { encode, decode } from 'https://cdn.jsdelivr.net/npm/js-base64@3.7.7/base64.mjs';
+</script>
+```
+
+### node.js (commonjs)
+
+```javascript
+const {Base64} = require('js-base64');
+```
+
+Unlike the case above, the global context is no longer modified.
+
+You can also use [esm] to `import` instead of `require`.
+
+[esm]: https://github.com/standard-things/esm
+
+```javascript
+require=require('esm')(module);
+import {Base64} from 'js-base64';
+```
+
+## SYNOPSIS
+
+```javascript
+let latin = 'dankogai';
+let utf8  = '小飼弾'
+let u8s   =  new Uint8Array([100,97,110,107,111,103,97,105]);
+Base64.encode(latin);             // ZGFua29nYWk=
+Base64.encode(latin, true);       // ZGFua29nYWk skips padding
+Base64.encodeURI(latin);          // ZGFua29nYWk
+Base64.btoa(latin);               // ZGFua29nYWk=
+Base64.btoa(utf8);                // raises exception
+Base64.fromUint8Array(u8s);       // ZGFua29nYWk=
+Base64.fromUint8Array(u8s, true); // ZGFua29nYW which is URI safe
+Base64.encode(utf8);              // 5bCP6aO85by+
+Base64.encode(utf8, true)         // 5bCP6aO85by-
+Base64.encodeURI(utf8);           // 5bCP6aO85by-
+```
+
+```javascript
+Base64.decode(      'ZGFua29nYWk=');// dankogai
+Base64.decode(      'ZGFua29nYWk'); // dankogai
+Base64.atob(        'ZGFua29nYWk=');// dankogai
+Base64.atob(        '5bCP6aO85by+');// '小飼弾' which is nonsense
+Base64.toUint8Array('ZGFua29nYWk=');// u8s above
+Base64.decode(      '5bCP6aO85by+');// 小飼弾
+// note .decodeURI() is unnecessary since it accepts both flavors
+Base64.decode(      '5bCP6aO85by-');// 小飼弾
+```
+
+```javascript
+Base64.isValid(0);      // false: 0 is not string
+Base64.isValid('');     // true: a valid Base64-encoded empty byte
+Base64.isValid('ZA=='); // true: a valid Base64-encoded 'd'
+Base64.isValid('Z A='); // true: whitespaces are okay
+Base64.isValid('ZA');   // true: padding ='s can be omitted
+Base64.isValid('++');   // true: can be non URL-safe
+Base64.isValid('--');   // true: or URL-safe
+Base64.isValid('+-');   // false: can't mix both
+```
+
+### Built-in Extensions
+
+By default `Base64` leaves built-in prototypes untouched.  But you can extend them as below.
+
+```javascript
+// you have to explicitly extend String.prototype
+Base64.extendString();
+// once extended, you can do the following
+'dankogai'.toBase64();        // ZGFua29nYWk=
+'小飼弾'.toBase64();           // 5bCP6aO85by+
+'小飼弾'.toBase64(true);       // 5bCP6aO85by-
+'小飼弾'.toBase64URI();        // 5bCP6aO85by- ab alias of .toBase64(true)
+'小飼弾'.toBase64URL();        // 5bCP6aO85by- an alias of .toBase64URI()
+'ZGFua29nYWk='.fromBase64();  // dankogai
+'5bCP6aO85by+'.fromBase64();  // 小飼弾
+'5bCP6aO85by-'.fromBase64();  // 小飼弾
+'5bCP6aO85by-'.toUint8Array();// u8s above
+```
+
+```javascript
+// you have to explicitly extend Uint8Array.prototype
+Base64.extendUint8Array();
+// once extended, you can do the following
+u8s.toBase64();     // 'ZGFua29nYWk='
+u8s.toBase64URI();  // 'ZGFua29nYWk'
+u8s.toBase64URL();  // 'ZGFua29nYWk' an alias of .toBase64URI()
+```
+
+```javascript
+// extend all at once
+Base64.extendBuiltins()
+```
+
+## `.decode()` vs `.atob` (and `.encode()` vs `btoa()`)
+
+Suppose you have:
+
+```
+var pngBase64 = 
+  "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=";
+```
+
+Which is a Base64-encoded 1x1 transparent PNG, **DO NOT USE** `Base64.decode(pngBase64)`.  Use `Base64.atob(pngBase64)` instead.  `Base64.decode()` decodes to UTF-8 string while `Base64.atob()` decodes to bytes, which is compatible to browser built-in `atob()` (Which is absent in node.js).  The same rule applies to the opposite direction.
+
+Or even better, `Base64.toUint8Array(pngBase64)`.
+
+## Brief History
+
+* Since version 3.3 it is written in TypeScript.  Now `base64.mjs` is compiled from `base64.ts` then `base64.js` is generated from `base64.mjs`.
+* Since version 3.7 `base64.js` is ES5-compatible again (hence IE11-compatible).
+* Since 3.0 `js-base64` switch to ES2015 module so it is no longer compatible with legacy browsers like IE (see above)
diff --git a/web/public/node_modules/js-base64/base64.d.mts b/web/public/node_modules/js-base64/base64.d.mts
new file mode 100644
index 000000000..e44249cb1
--- /dev/null
+++ b/web/public/node_modules/js-base64/base64.d.mts
@@ -0,0 +1,135 @@
+/**
+ *  base64.ts
+ *
+ *  Licensed under the BSD 3-Clause License.
+ *    http://opensource.org/licenses/BSD-3-Clause
+ *
+ *  References:
+ *    http://en.wikipedia.org/wiki/Base64
+ *
+ * @author Dan Kogai (https://github.com/dankogai)
+ */
+declare const version = "3.7.7";
+/**
+ * @deprecated use lowercase `version`.
+ */
+declare const VERSION = "3.7.7";
+/**
+ * polyfill version of `btoa`
+ */
+declare const btoaPolyfill: (bin: string) => string;
+/**
+ * does what `window.btoa` of web browsers do.
+ * @param {String} bin binary string
+ * @returns {string} Base64-encoded string
+ */
+declare const _btoa: (bin: string) => string;
+/**
+ * converts a Uint8Array to a Base64 string.
+ * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
+ * @returns {string} Base64 string
+ */
+declare const fromUint8Array: (u8a: Uint8Array, urlsafe?: boolean) => string;
+/**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-8 string
+ * @returns {string} UTF-16 string
+ */
+declare const utob: (u: string) => string;
+/**
+ * converts a UTF-8-encoded string to a Base64 string.
+ * @param {boolean} [urlsafe] if `true` make the result URL-safe
+ * @returns {string} Base64 string
+ */
+declare const encode: (src: string, urlsafe?: boolean) => string;
+/**
+ * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
+ * @returns {string} Base64 string
+ */
+declare const encodeURI: (src: string) => string;
+/**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-16 string
+ * @returns {string} UTF-8 string
+ */
+declare const btou: (b: string) => string;
+/**
+ * polyfill version of `atob`
+ */
+declare const atobPolyfill: (asc: string) => string;
+/**
+ * does what `window.atob` of web browsers do.
+ * @param {String} asc Base64-encoded string
+ * @returns {string} binary string
+ */
+declare const _atob: (asc: string) => string;
+/**
+ * converts a Base64 string to a Uint8Array.
+ */
+declare const toUint8Array: (a: string) => Uint8Array;
+/**
+ * converts a Base64 string to a UTF-8 string.
+ * @param {String} src Base64 string.  Both normal and URL-safe are supported
+ * @returns {string} UTF-8 string
+ */
+declare const decode: (src: string) => string;
+/**
+ * check if a value is a valid Base64 string
+ * @param {String} src a value to check
+  */
+declare const isValid: (src: any) => boolean;
+/**
+ * extend String.prototype with relevant methods
+ */
+declare const extendString: () => void;
+/**
+ * extend Uint8Array.prototype with relevant methods
+ */
+declare const extendUint8Array: () => void;
+/**
+ * extend Builtin prototypes with relevant methods
+ */
+declare const extendBuiltins: () => void;
+declare const gBase64: {
+    version: string;
+    VERSION: string;
+    atob: (asc: string) => string;
+    atobPolyfill: (asc: string) => string;
+    btoa: (bin: string) => string;
+    btoaPolyfill: (bin: string) => string;
+    fromBase64: (src: string) => string;
+    toBase64: (src: string, urlsafe?: boolean) => string;
+    encode: (src: string, urlsafe?: boolean) => string;
+    encodeURI: (src: string) => string;
+    encodeURL: (src: string) => string;
+    utob: (u: string) => string;
+    btou: (b: string) => string;
+    decode: (src: string) => string;
+    isValid: (src: any) => boolean;
+    fromUint8Array: (u8a: Uint8Array, urlsafe?: boolean) => string;
+    toUint8Array: (a: string) => Uint8Array;
+    extendString: () => void;
+    extendUint8Array: () => void;
+    extendBuiltins: () => void;
+};
+export { version };
+export { VERSION };
+export { _atob as atob };
+export { atobPolyfill };
+export { _btoa as btoa };
+export { btoaPolyfill };
+export { decode as fromBase64 };
+export { encode as toBase64 };
+export { utob };
+export { encode };
+export { encodeURI };
+export { encodeURI as encodeURL };
+export { btou };
+export { decode };
+export { isValid };
+export { fromUint8Array };
+export { toUint8Array };
+export { extendString };
+export { extendUint8Array };
+export { extendBuiltins };
+export { gBase64 as Base64 };
diff --git a/web/public/node_modules/js-base64/base64.d.ts b/web/public/node_modules/js-base64/base64.d.ts
new file mode 100644
index 000000000..e44249cb1
--- /dev/null
+++ b/web/public/node_modules/js-base64/base64.d.ts
@@ -0,0 +1,135 @@
+/**
+ *  base64.ts
+ *
+ *  Licensed under the BSD 3-Clause License.
+ *    http://opensource.org/licenses/BSD-3-Clause
+ *
+ *  References:
+ *    http://en.wikipedia.org/wiki/Base64
+ *
+ * @author Dan Kogai (https://github.com/dankogai)
+ */
+declare const version = "3.7.7";
+/**
+ * @deprecated use lowercase `version`.
+ */
+declare const VERSION = "3.7.7";
+/**
+ * polyfill version of `btoa`
+ */
+declare const btoaPolyfill: (bin: string) => string;
+/**
+ * does what `window.btoa` of web browsers do.
+ * @param {String} bin binary string
+ * @returns {string} Base64-encoded string
+ */
+declare const _btoa: (bin: string) => string;
+/**
+ * converts a Uint8Array to a Base64 string.
+ * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
+ * @returns {string} Base64 string
+ */
+declare const fromUint8Array: (u8a: Uint8Array, urlsafe?: boolean) => string;
+/**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-8 string
+ * @returns {string} UTF-16 string
+ */
+declare const utob: (u: string) => string;
+/**
+ * converts a UTF-8-encoded string to a Base64 string.
+ * @param {boolean} [urlsafe] if `true` make the result URL-safe
+ * @returns {string} Base64 string
+ */
+declare const encode: (src: string, urlsafe?: boolean) => string;
+/**
+ * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
+ * @returns {string} Base64 string
+ */
+declare const encodeURI: (src: string) => string;
+/**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-16 string
+ * @returns {string} UTF-8 string
+ */
+declare const btou: (b: string) => string;
+/**
+ * polyfill version of `atob`
+ */
+declare const atobPolyfill: (asc: string) => string;
+/**
+ * does what `window.atob` of web browsers do.
+ * @param {String} asc Base64-encoded string
+ * @returns {string} binary string
+ */
+declare const _atob: (asc: string) => string;
+/**
+ * converts a Base64 string to a Uint8Array.
+ */
+declare const toUint8Array: (a: string) => Uint8Array;
+/**
+ * converts a Base64 string to a UTF-8 string.
+ * @param {String} src Base64 string.  Both normal and URL-safe are supported
+ * @returns {string} UTF-8 string
+ */
+declare const decode: (src: string) => string;
+/**
+ * check if a value is a valid Base64 string
+ * @param {String} src a value to check
+  */
+declare const isValid: (src: any) => boolean;
+/**
+ * extend String.prototype with relevant methods
+ */
+declare const extendString: () => void;
+/**
+ * extend Uint8Array.prototype with relevant methods
+ */
+declare const extendUint8Array: () => void;
+/**
+ * extend Builtin prototypes with relevant methods
+ */
+declare const extendBuiltins: () => void;
+declare const gBase64: {
+    version: string;
+    VERSION: string;
+    atob: (asc: string) => string;
+    atobPolyfill: (asc: string) => string;
+    btoa: (bin: string) => string;
+    btoaPolyfill: (bin: string) => string;
+    fromBase64: (src: string) => string;
+    toBase64: (src: string, urlsafe?: boolean) => string;
+    encode: (src: string, urlsafe?: boolean) => string;
+    encodeURI: (src: string) => string;
+    encodeURL: (src: string) => string;
+    utob: (u: string) => string;
+    btou: (b: string) => string;
+    decode: (src: string) => string;
+    isValid: (src: any) => boolean;
+    fromUint8Array: (u8a: Uint8Array, urlsafe?: boolean) => string;
+    toUint8Array: (a: string) => Uint8Array;
+    extendString: () => void;
+    extendUint8Array: () => void;
+    extendBuiltins: () => void;
+};
+export { version };
+export { VERSION };
+export { _atob as atob };
+export { atobPolyfill };
+export { _btoa as btoa };
+export { btoaPolyfill };
+export { decode as fromBase64 };
+export { encode as toBase64 };
+export { utob };
+export { encode };
+export { encodeURI };
+export { encodeURI as encodeURL };
+export { btou };
+export { decode };
+export { isValid };
+export { fromUint8Array };
+export { toUint8Array };
+export { extendString };
+export { extendUint8Array };
+export { extendBuiltins };
+export { gBase64 as Base64 };
diff --git a/web/public/node_modules/js-base64/base64.js b/web/public/node_modules/js-base64/base64.js
new file mode 100644
index 000000000..dc837a7c4
--- /dev/null
+++ b/web/public/node_modules/js-base64/base64.js
@@ -0,0 +1,314 @@
+//
+// THIS FILE IS AUTOMATICALLY GENERATED! DO NOT EDIT BY HAND!
+//
+;
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined'
+        ? module.exports = factory()
+        : typeof define === 'function' && define.amd
+            ? define(factory) :
+            // cf. https://github.com/dankogai/js-base64/issues/119
+            (function () {
+                // existing version for noConflict()
+                var _Base64 = global.Base64;
+                var gBase64 = factory();
+                gBase64.noConflict = function () {
+                    global.Base64 = _Base64;
+                    return gBase64;
+                };
+                if (global.Meteor) { // Meteor.js
+                    Base64 = gBase64;
+                }
+                global.Base64 = gBase64;
+            })();
+}((typeof self !== 'undefined' ? self
+    : typeof window !== 'undefined' ? window
+        : typeof global !== 'undefined' ? global
+            : this), function () {
+    'use strict';
+    /**
+     *  base64.ts
+     *
+     *  Licensed under the BSD 3-Clause License.
+     *    http://opensource.org/licenses/BSD-3-Clause
+     *
+     *  References:
+     *    http://en.wikipedia.org/wiki/Base64
+     *
+     * @author Dan Kogai (https://github.com/dankogai)
+     */
+    var version = '3.7.7';
+    /**
+     * @deprecated use lowercase `version`.
+     */
+    var VERSION = version;
+    var _hasBuffer = typeof Buffer === 'function';
+    var _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;
+    var _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;
+    var b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+    var b64chs = Array.prototype.slice.call(b64ch);
+    var b64tab = (function (a) {
+        var tab = {};
+        a.forEach(function (c, i) { return tab[c] = i; });
+        return tab;
+    })(b64chs);
+    var b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
+    var _fromCC = String.fromCharCode.bind(String);
+    var _U8Afrom = typeof Uint8Array.from === 'function'
+        ? Uint8Array.from.bind(Uint8Array)
+        : function (it) { return new Uint8Array(Array.prototype.slice.call(it, 0)); };
+    var _mkUriSafe = function (src) { return src
+        .replace(/=/g, '').replace(/[+\/]/g, function (m0) { return m0 == '+' ? '-' : '_'; }); };
+    var _tidyB64 = function (s) { return s.replace(/[^A-Za-z0-9\+\/]/g, ''); };
+    /**
+     * polyfill version of `btoa`
+     */
+    var btoaPolyfill = function (bin) {
+        // console.log('polyfilled');
+        var u32, c0, c1, c2, asc = '';
+        var pad = bin.length % 3;
+        for (var i = 0; i < bin.length;) {
+            if ((c0 = bin.charCodeAt(i++)) > 255 ||
+                (c1 = bin.charCodeAt(i++)) > 255 ||
+                (c2 = bin.charCodeAt(i++)) > 255)
+                throw new TypeError('invalid character found');
+            u32 = (c0 << 16) | (c1 << 8) | c2;
+            asc += b64chs[u32 >> 18 & 63]
+                + b64chs[u32 >> 12 & 63]
+                + b64chs[u32 >> 6 & 63]
+                + b64chs[u32 & 63];
+        }
+        return pad ? asc.slice(0, pad - 3) + "===".substring(pad) : asc;
+    };
+    /**
+     * does what `window.btoa` of web browsers do.
+     * @param {String} bin binary string
+     * @returns {string} Base64-encoded string
+     */
+    var _btoa = typeof btoa === 'function' ? function (bin) { return btoa(bin); }
+        : _hasBuffer ? function (bin) { return Buffer.from(bin, 'binary').toString('base64'); }
+            : btoaPolyfill;
+    var _fromUint8Array = _hasBuffer
+        ? function (u8a) { return Buffer.from(u8a).toString('base64'); }
+        : function (u8a) {
+            // cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326
+            var maxargs = 0x1000;
+            var strs = [];
+            for (var i = 0, l = u8a.length; i < l; i += maxargs) {
+                strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));
+            }
+            return _btoa(strs.join(''));
+        };
+    /**
+     * converts a Uint8Array to a Base64 string.
+     * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
+     * @returns {string} Base64 string
+     */
+    var fromUint8Array = function (u8a, urlsafe) {
+        if (urlsafe === void 0) { urlsafe = false; }
+        return urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);
+    };
+    // This trick is found broken https://github.com/dankogai/js-base64/issues/130
+    // const utob = (src: string) => unescape(encodeURIComponent(src));
+    // reverting good old fationed regexp
+    var cb_utob = function (c) {
+        if (c.length < 2) {
+            var cc = c.charCodeAt(0);
+            return cc < 0x80 ? c
+                : cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))
+                    + _fromCC(0x80 | (cc & 0x3f)))
+                    : (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))
+                        + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
+                        + _fromCC(0x80 | (cc & 0x3f)));
+        }
+        else {
+            var cc = 0x10000
+                + (c.charCodeAt(0) - 0xD800) * 0x400
+                + (c.charCodeAt(1) - 0xDC00);
+            return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))
+                + _fromCC(0x80 | ((cc >>> 12) & 0x3f))
+                + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
+                + _fromCC(0x80 | (cc & 0x3f)));
+        }
+    };
+    var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
+    /**
+     * @deprecated should have been internal use only.
+     * @param {string} src UTF-8 string
+     * @returns {string} UTF-16 string
+     */
+    var utob = function (u) { return u.replace(re_utob, cb_utob); };
+    //
+    var _encode = _hasBuffer
+        ? function (s) { return Buffer.from(s, 'utf8').toString('base64'); }
+        : _TE
+            ? function (s) { return _fromUint8Array(_TE.encode(s)); }
+            : function (s) { return _btoa(utob(s)); };
+    /**
+     * converts a UTF-8-encoded string to a Base64 string.
+     * @param {boolean} [urlsafe] if `true` make the result URL-safe
+     * @returns {string} Base64 string
+     */
+    var encode = function (src, urlsafe) {
+        if (urlsafe === void 0) { urlsafe = false; }
+        return urlsafe
+            ? _mkUriSafe(_encode(src))
+            : _encode(src);
+    };
+    /**
+     * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
+     * @returns {string} Base64 string
+     */
+    var encodeURI = function (src) { return encode(src, true); };
+    // This trick is found broken https://github.com/dankogai/js-base64/issues/130
+    // const btou = (src: string) => decodeURIComponent(escape(src));
+    // reverting good old fationed regexp
+    var re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
+    var cb_btou = function (cccc) {
+        switch (cccc.length) {
+            case 4:
+                var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
+                    | ((0x3f & cccc.charCodeAt(1)) << 12)
+                    | ((0x3f & cccc.charCodeAt(2)) << 6)
+                    | (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;
+                return (_fromCC((offset >>> 10) + 0xD800)
+                    + _fromCC((offset & 0x3FF) + 0xDC00));
+            case 3:
+                return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)
+                    | ((0x3f & cccc.charCodeAt(1)) << 6)
+                    | (0x3f & cccc.charCodeAt(2)));
+            default:
+                return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)
+                    | (0x3f & cccc.charCodeAt(1)));
+        }
+    };
+    /**
+     * @deprecated should have been internal use only.
+     * @param {string} src UTF-16 string
+     * @returns {string} UTF-8 string
+     */
+    var btou = function (b) { return b.replace(re_btou, cb_btou); };
+    /**
+     * polyfill version of `atob`
+     */
+    var atobPolyfill = function (asc) {
+        // console.log('polyfilled');
+        asc = asc.replace(/\s+/g, '');
+        if (!b64re.test(asc))
+            throw new TypeError('malformed base64.');
+        asc += '=='.slice(2 - (asc.length & 3));
+        var u24, bin = '', r1, r2;
+        for (var i = 0; i < asc.length;) {
+            u24 = b64tab[asc.charAt(i++)] << 18
+                | b64tab[asc.charAt(i++)] << 12
+                | (r1 = b64tab[asc.charAt(i++)]) << 6
+                | (r2 = b64tab[asc.charAt(i++)]);
+            bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)
+                : r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)
+                    : _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);
+        }
+        return bin;
+    };
+    /**
+     * does what `window.atob` of web browsers do.
+     * @param {String} asc Base64-encoded string
+     * @returns {string} binary string
+     */
+    var _atob = typeof atob === 'function' ? function (asc) { return atob(_tidyB64(asc)); }
+        : _hasBuffer ? function (asc) { return Buffer.from(asc, 'base64').toString('binary'); }
+            : atobPolyfill;
+    //
+    var _toUint8Array = _hasBuffer
+        ? function (a) { return _U8Afrom(Buffer.from(a, 'base64')); }
+        : function (a) { return _U8Afrom(_atob(a).split('').map(function (c) { return c.charCodeAt(0); })); };
+    /**
+     * converts a Base64 string to a Uint8Array.
+     */
+    var toUint8Array = function (a) { return _toUint8Array(_unURI(a)); };
+    //
+    var _decode = _hasBuffer
+        ? function (a) { return Buffer.from(a, 'base64').toString('utf8'); }
+        : _TD
+            ? function (a) { return _TD.decode(_toUint8Array(a)); }
+            : function (a) { return btou(_atob(a)); };
+    var _unURI = function (a) { return _tidyB64(a.replace(/[-_]/g, function (m0) { return m0 == '-' ? '+' : '/'; })); };
+    /**
+     * converts a Base64 string to a UTF-8 string.
+     * @param {String} src Base64 string.  Both normal and URL-safe are supported
+     * @returns {string} UTF-8 string
+     */
+    var decode = function (src) { return _decode(_unURI(src)); };
+    /**
+     * check if a value is a valid Base64 string
+     * @param {String} src a value to check
+      */
+    var isValid = function (src) {
+        if (typeof src !== 'string')
+            return false;
+        var s = src.replace(/\s+/g, '').replace(/={0,2}$/, '');
+        return !/[^\s0-9a-zA-Z\+/]/.test(s) || !/[^\s0-9a-zA-Z\-_]/.test(s);
+    };
+    //
+    var _noEnum = function (v) {
+        return {
+            value: v, enumerable: false, writable: true, configurable: true
+        };
+    };
+    /**
+     * extend String.prototype with relevant methods
+     */
+    var extendString = function () {
+        var _add = function (name, body) { return Object.defineProperty(String.prototype, name, _noEnum(body)); };
+        _add('fromBase64', function () { return decode(this); });
+        _add('toBase64', function (urlsafe) { return encode(this, urlsafe); });
+        _add('toBase64URI', function () { return encode(this, true); });
+        _add('toBase64URL', function () { return encode(this, true); });
+        _add('toUint8Array', function () { return toUint8Array(this); });
+    };
+    /**
+     * extend Uint8Array.prototype with relevant methods
+     */
+    var extendUint8Array = function () {
+        var _add = function (name, body) { return Object.defineProperty(Uint8Array.prototype, name, _noEnum(body)); };
+        _add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });
+        _add('toBase64URI', function () { return fromUint8Array(this, true); });
+        _add('toBase64URL', function () { return fromUint8Array(this, true); });
+    };
+    /**
+     * extend Builtin prototypes with relevant methods
+     */
+    var extendBuiltins = function () {
+        extendString();
+        extendUint8Array();
+    };
+    var gBase64 = {
+        version: version,
+        VERSION: VERSION,
+        atob: _atob,
+        atobPolyfill: atobPolyfill,
+        btoa: _btoa,
+        btoaPolyfill: btoaPolyfill,
+        fromBase64: decode,
+        toBase64: encode,
+        encode: encode,
+        encodeURI: encodeURI,
+        encodeURL: encodeURI,
+        utob: utob,
+        btou: btou,
+        decode: decode,
+        isValid: isValid,
+        fromUint8Array: fromUint8Array,
+        toUint8Array: toUint8Array,
+        extendString: extendString,
+        extendUint8Array: extendUint8Array,
+        extendBuiltins: extendBuiltins
+    };
+    //
+    // export Base64 to the namespace
+    //
+    // ES5 is yet to have Object.assign() that may make transpilers unhappy.
+    // gBase64.Base64 = Object.assign({}, gBase64);
+    gBase64.Base64 = {};
+    Object.keys(gBase64).forEach(function (k) { return gBase64.Base64[k] = gBase64[k]; });
+    return gBase64;
+}));
diff --git a/web/public/node_modules/js-base64/base64.mjs b/web/public/node_modules/js-base64/base64.mjs
new file mode 100644
index 000000000..fe9cfa5ae
--- /dev/null
+++ b/web/public/node_modules/js-base64/base64.mjs
@@ -0,0 +1,294 @@
+/**
+ *  base64.ts
+ *
+ *  Licensed under the BSD 3-Clause License.
+ *    http://opensource.org/licenses/BSD-3-Clause
+ *
+ *  References:
+ *    http://en.wikipedia.org/wiki/Base64
+ *
+ * @author Dan Kogai (https://github.com/dankogai)
+ */
+const version = '3.7.7';
+/**
+ * @deprecated use lowercase `version`.
+ */
+const VERSION = version;
+const _hasBuffer = typeof Buffer === 'function';
+const _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;
+const _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;
+const b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+const b64chs = Array.prototype.slice.call(b64ch);
+const b64tab = ((a) => {
+    let tab = {};
+    a.forEach((c, i) => tab[c] = i);
+    return tab;
+})(b64chs);
+const b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
+const _fromCC = String.fromCharCode.bind(String);
+const _U8Afrom = typeof Uint8Array.from === 'function'
+    ? Uint8Array.from.bind(Uint8Array)
+    : (it) => new Uint8Array(Array.prototype.slice.call(it, 0));
+const _mkUriSafe = (src) => src
+    .replace(/=/g, '').replace(/[+\/]/g, (m0) => m0 == '+' ? '-' : '_');
+const _tidyB64 = (s) => s.replace(/[^A-Za-z0-9\+\/]/g, '');
+/**
+ * polyfill version of `btoa`
+ */
+const btoaPolyfill = (bin) => {
+    // console.log('polyfilled');
+    let u32, c0, c1, c2, asc = '';
+    const pad = bin.length % 3;
+    for (let i = 0; i < bin.length;) {
+        if ((c0 = bin.charCodeAt(i++)) > 255 ||
+            (c1 = bin.charCodeAt(i++)) > 255 ||
+            (c2 = bin.charCodeAt(i++)) > 255)
+            throw new TypeError('invalid character found');
+        u32 = (c0 << 16) | (c1 << 8) | c2;
+        asc += b64chs[u32 >> 18 & 63]
+            + b64chs[u32 >> 12 & 63]
+            + b64chs[u32 >> 6 & 63]
+            + b64chs[u32 & 63];
+    }
+    return pad ? asc.slice(0, pad - 3) + "===".substring(pad) : asc;
+};
+/**
+ * does what `window.btoa` of web browsers do.
+ * @param {String} bin binary string
+ * @returns {string} Base64-encoded string
+ */
+const _btoa = typeof btoa === 'function' ? (bin) => btoa(bin)
+    : _hasBuffer ? (bin) => Buffer.from(bin, 'binary').toString('base64')
+        : btoaPolyfill;
+const _fromUint8Array = _hasBuffer
+    ? (u8a) => Buffer.from(u8a).toString('base64')
+    : (u8a) => {
+        // cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326
+        const maxargs = 0x1000;
+        let strs = [];
+        for (let i = 0, l = u8a.length; i < l; i += maxargs) {
+            strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));
+        }
+        return _btoa(strs.join(''));
+    };
+/**
+ * converts a Uint8Array to a Base64 string.
+ * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
+ * @returns {string} Base64 string
+ */
+const fromUint8Array = (u8a, urlsafe = false) => urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);
+// This trick is found broken https://github.com/dankogai/js-base64/issues/130
+// const utob = (src: string) => unescape(encodeURIComponent(src));
+// reverting good old fationed regexp
+const cb_utob = (c) => {
+    if (c.length < 2) {
+        var cc = c.charCodeAt(0);
+        return cc < 0x80 ? c
+            : cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))
+                + _fromCC(0x80 | (cc & 0x3f)))
+                : (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))
+                    + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
+                    + _fromCC(0x80 | (cc & 0x3f)));
+    }
+    else {
+        var cc = 0x10000
+            + (c.charCodeAt(0) - 0xD800) * 0x400
+            + (c.charCodeAt(1) - 0xDC00);
+        return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))
+            + _fromCC(0x80 | ((cc >>> 12) & 0x3f))
+            + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
+            + _fromCC(0x80 | (cc & 0x3f)));
+    }
+};
+const re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
+/**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-8 string
+ * @returns {string} UTF-16 string
+ */
+const utob = (u) => u.replace(re_utob, cb_utob);
+//
+const _encode = _hasBuffer
+    ? (s) => Buffer.from(s, 'utf8').toString('base64')
+    : _TE
+        ? (s) => _fromUint8Array(_TE.encode(s))
+        : (s) => _btoa(utob(s));
+/**
+ * converts a UTF-8-encoded string to a Base64 string.
+ * @param {boolean} [urlsafe] if `true` make the result URL-safe
+ * @returns {string} Base64 string
+ */
+const encode = (src, urlsafe = false) => urlsafe
+    ? _mkUriSafe(_encode(src))
+    : _encode(src);
+/**
+ * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
+ * @returns {string} Base64 string
+ */
+const encodeURI = (src) => encode(src, true);
+// This trick is found broken https://github.com/dankogai/js-base64/issues/130
+// const btou = (src: string) => decodeURIComponent(escape(src));
+// reverting good old fationed regexp
+const re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
+const cb_btou = (cccc) => {
+    switch (cccc.length) {
+        case 4:
+            var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
+                | ((0x3f & cccc.charCodeAt(1)) << 12)
+                | ((0x3f & cccc.charCodeAt(2)) << 6)
+                | (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;
+            return (_fromCC((offset >>> 10) + 0xD800)
+                + _fromCC((offset & 0x3FF) + 0xDC00));
+        case 3:
+            return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)
+                | ((0x3f & cccc.charCodeAt(1)) << 6)
+                | (0x3f & cccc.charCodeAt(2)));
+        default:
+            return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)
+                | (0x3f & cccc.charCodeAt(1)));
+    }
+};
+/**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-16 string
+ * @returns {string} UTF-8 string
+ */
+const btou = (b) => b.replace(re_btou, cb_btou);
+/**
+ * polyfill version of `atob`
+ */
+const atobPolyfill = (asc) => {
+    // console.log('polyfilled');
+    asc = asc.replace(/\s+/g, '');
+    if (!b64re.test(asc))
+        throw new TypeError('malformed base64.');
+    asc += '=='.slice(2 - (asc.length & 3));
+    let u24, bin = '', r1, r2;
+    for (let i = 0; i < asc.length;) {
+        u24 = b64tab[asc.charAt(i++)] << 18
+            | b64tab[asc.charAt(i++)] << 12
+            | (r1 = b64tab[asc.charAt(i++)]) << 6
+            | (r2 = b64tab[asc.charAt(i++)]);
+        bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)
+            : r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)
+                : _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);
+    }
+    return bin;
+};
+/**
+ * does what `window.atob` of web browsers do.
+ * @param {String} asc Base64-encoded string
+ * @returns {string} binary string
+ */
+const _atob = typeof atob === 'function' ? (asc) => atob(_tidyB64(asc))
+    : _hasBuffer ? (asc) => Buffer.from(asc, 'base64').toString('binary')
+        : atobPolyfill;
+//
+const _toUint8Array = _hasBuffer
+    ? (a) => _U8Afrom(Buffer.from(a, 'base64'))
+    : (a) => _U8Afrom(_atob(a).split('').map(c => c.charCodeAt(0)));
+/**
+ * converts a Base64 string to a Uint8Array.
+ */
+const toUint8Array = (a) => _toUint8Array(_unURI(a));
+//
+const _decode = _hasBuffer
+    ? (a) => Buffer.from(a, 'base64').toString('utf8')
+    : _TD
+        ? (a) => _TD.decode(_toUint8Array(a))
+        : (a) => btou(_atob(a));
+const _unURI = (a) => _tidyB64(a.replace(/[-_]/g, (m0) => m0 == '-' ? '+' : '/'));
+/**
+ * converts a Base64 string to a UTF-8 string.
+ * @param {String} src Base64 string.  Both normal and URL-safe are supported
+ * @returns {string} UTF-8 string
+ */
+const decode = (src) => _decode(_unURI(src));
+/**
+ * check if a value is a valid Base64 string
+ * @param {String} src a value to check
+  */
+const isValid = (src) => {
+    if (typeof src !== 'string')
+        return false;
+    const s = src.replace(/\s+/g, '').replace(/={0,2}$/, '');
+    return !/[^\s0-9a-zA-Z\+/]/.test(s) || !/[^\s0-9a-zA-Z\-_]/.test(s);
+};
+//
+const _noEnum = (v) => {
+    return {
+        value: v, enumerable: false, writable: true, configurable: true
+    };
+};
+/**
+ * extend String.prototype with relevant methods
+ */
+const extendString = function () {
+    const _add = (name, body) => Object.defineProperty(String.prototype, name, _noEnum(body));
+    _add('fromBase64', function () { return decode(this); });
+    _add('toBase64', function (urlsafe) { return encode(this, urlsafe); });
+    _add('toBase64URI', function () { return encode(this, true); });
+    _add('toBase64URL', function () { return encode(this, true); });
+    _add('toUint8Array', function () { return toUint8Array(this); });
+};
+/**
+ * extend Uint8Array.prototype with relevant methods
+ */
+const extendUint8Array = function () {
+    const _add = (name, body) => Object.defineProperty(Uint8Array.prototype, name, _noEnum(body));
+    _add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });
+    _add('toBase64URI', function () { return fromUint8Array(this, true); });
+    _add('toBase64URL', function () { return fromUint8Array(this, true); });
+};
+/**
+ * extend Builtin prototypes with relevant methods
+ */
+const extendBuiltins = () => {
+    extendString();
+    extendUint8Array();
+};
+const gBase64 = {
+    version: version,
+    VERSION: VERSION,
+    atob: _atob,
+    atobPolyfill: atobPolyfill,
+    btoa: _btoa,
+    btoaPolyfill: btoaPolyfill,
+    fromBase64: decode,
+    toBase64: encode,
+    encode: encode,
+    encodeURI: encodeURI,
+    encodeURL: encodeURI,
+    utob: utob,
+    btou: btou,
+    decode: decode,
+    isValid: isValid,
+    fromUint8Array: fromUint8Array,
+    toUint8Array: toUint8Array,
+    extendString: extendString,
+    extendUint8Array: extendUint8Array,
+    extendBuiltins: extendBuiltins
+};
+// makecjs:CUT //
+export { version };
+export { VERSION };
+export { _atob as atob };
+export { atobPolyfill };
+export { _btoa as btoa };
+export { btoaPolyfill };
+export { decode as fromBase64 };
+export { encode as toBase64 };
+export { utob };
+export { encode };
+export { encodeURI };
+export { encodeURI as encodeURL };
+export { btou };
+export { decode };
+export { isValid };
+export { fromUint8Array };
+export { toUint8Array };
+export { extendString };
+export { extendUint8Array };
+export { extendBuiltins };
+// and finally,
+export { gBase64 as Base64 };
diff --git a/web/public/node_modules/js-base64/package.json b/web/public/node_modules/js-base64/package.json
new file mode 100644
index 000000000..477bbc5d0
--- /dev/null
+++ b/web/public/node_modules/js-base64/package.json
@@ -0,0 +1,43 @@
+{
+	"name": "js-base64",
+	"version": "3.7.7",
+	"description": "Yet another Base64 transcoder in pure-JS",
+	"main": "base64.js",
+	"module": "base64.mjs",
+	"types": "base64.d.ts",
+	"sideEffects": false,
+	"files": [
+		"base64.js",
+		"base64.mjs",
+		"base64.d.ts",
+		"base64.d.mts"
+	],
+	"exports": {
+		".": {
+			"import": {
+				"types": "./base64.d.mts",
+				"default": "./base64.mjs"
+			},
+			"require": {
+				"types": "./base64.d.ts",
+				"default": "./base64.js"
+			}
+		},
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"test": "make clean && make test"
+	},
+	"devDependencies": {
+		"@types/node": "^20.11.5",
+		"mocha": "^10.2.0",
+		"typescript": "^5.3.3"
+	},
+	"repository": "git+https://github.com/dankogai/js-base64.git",
+	"keywords": [
+		"base64",
+		"binary"
+	],
+	"author": "Dan Kogai",
+	"license": "BSD-3-Clause"
+}
diff --git a/web/public/node_modules/lodash/LICENSE b/web/public/node_modules/lodash/LICENSE
new file mode 100644
index 000000000..77c42f140
--- /dev/null
+++ b/web/public/node_modules/lodash/LICENSE
@@ -0,0 +1,47 @@
+Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+
+Based on Underscore.js, copyright Jeremy Ashkenas,
+DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
+
+This software consists of voluntary contributions made by many
+individuals. For exact contribution history, see the revision history
+available at https://github.com/lodash/lodash
+
+The following license applies to all parts of this software except as
+documented below:
+
+====
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+====
+
+Copyright and related rights for sample code are waived via CC0. Sample
+code is defined as all source code displayed within the prose of the
+documentation.
+
+CC0: http://creativecommons.org/publicdomain/zero/1.0/
+
+====
+
+Files located in the node_modules and vendor directories are externally
+maintained libraries used by this software which have their own
+licenses; we recommend you read them, as their terms may differ from the
+terms above.
diff --git a/web/public/node_modules/lodash/README.md b/web/public/node_modules/lodash/README.md
new file mode 100644
index 000000000..3ab1a05ce
--- /dev/null
+++ b/web/public/node_modules/lodash/README.md
@@ -0,0 +1,39 @@
+# lodash v4.17.21
+
+The [Lodash](https://lodash.com/) library exported as [Node.js](https://nodejs.org/) modules.
+
+## Installation
+
+Using npm:
+```shell
+$ npm i -g npm
+$ npm i --save lodash
+```
+
+In Node.js:
+```js
+// Load the full build.
+var _ = require('lodash');
+// Load the core build.
+var _ = require('lodash/core');
+// Load the FP build for immutable auto-curried iteratee-first data-last methods.
+var fp = require('lodash/fp');
+
+// Load method categories.
+var array = require('lodash/array');
+var object = require('lodash/fp/object');
+
+// Cherry-pick methods for smaller browserify/rollup/webpack bundles.
+var at = require('lodash/at');
+var curryN = require('lodash/fp/curryN');
+```
+
+See the [package source](https://github.com/lodash/lodash/tree/4.17.21-npm) for more details.
+
+**Note:**<br>
+Install [n_](https://www.npmjs.com/package/n_) for Lodash use in the Node.js < 6 REPL.
+
+## Support
+
+Tested in Chrome 74-75, Firefox 66-67, IE 11, Edge 18, Safari 11-12, & Node.js 8-12.<br>
+Automated [browser](https://saucelabs.com/u/lodash) & [CI](https://travis-ci.org/lodash/lodash/) test runs are available.
diff --git a/web/public/node_modules/lodash/_DataView.js b/web/public/node_modules/lodash/_DataView.js
new file mode 100644
index 000000000..ac2d57ca6
--- /dev/null
+++ b/web/public/node_modules/lodash/_DataView.js
@@ -0,0 +1,7 @@
+var getNative = require('./_getNative'),
+    root = require('./_root');
+
+/* Built-in method references that are verified to be native. */
+var DataView = getNative(root, 'DataView');
+
+module.exports = DataView;
diff --git a/web/public/node_modules/lodash/_Hash.js b/web/public/node_modules/lodash/_Hash.js
new file mode 100644
index 000000000..b504fe340
--- /dev/null
+++ b/web/public/node_modules/lodash/_Hash.js
@@ -0,0 +1,32 @@
+var hashClear = require('./_hashClear'),
+    hashDelete = require('./_hashDelete'),
+    hashGet = require('./_hashGet'),
+    hashHas = require('./_hashHas'),
+    hashSet = require('./_hashSet');
+
+/**
+ * Creates a hash object.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function Hash(entries) {
+  var index = -1,
+      length = entries == null ? 0 : entries.length;
+
+  this.clear();
+  while (++index < length) {
+    var entry = entries[index];
+    this.set(entry[0], entry[1]);
+  }
+}
+
+// Add methods to `Hash`.
+Hash.prototype.clear = hashClear;
+Hash.prototype['delete'] = hashDelete;
+Hash.prototype.get = hashGet;
+Hash.prototype.has = hashHas;
+Hash.prototype.set = hashSet;
+
+module.exports = Hash;
diff --git a/web/public/node_modules/lodash/_LazyWrapper.js b/web/public/node_modules/lodash/_LazyWrapper.js
new file mode 100644
index 000000000..81786c7f1
--- /dev/null
+++ b/web/public/node_modules/lodash/_LazyWrapper.js
@@ -0,0 +1,28 @@
+var baseCreate = require('./_baseCreate'),
+    baseLodash = require('./_baseLodash');
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295;
+
+/**
+ * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+ *
+ * @private
+ * @constructor
+ * @param {*} value The value to wrap.
+ */
+function LazyWrapper(value) {
+  this.__wrapped__ = value;
+  this.__actions__ = [];
+  this.__dir__ = 1;
+  this.__filtered__ = false;
+  this.__iteratees__ = [];
+  this.__takeCount__ = MAX_ARRAY_LENGTH;
+  this.__views__ = [];
+}
+
+// Ensure `LazyWrapper` is an instance of `baseLodash`.
+LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+LazyWrapper.prototype.constructor = LazyWrapper;
+
+module.exports = LazyWrapper;
diff --git a/web/public/node_modules/lodash/_ListCache.js b/web/public/node_modules/lodash/_ListCache.js
new file mode 100644
index 000000000..26895c3a8
--- /dev/null
+++ b/web/public/node_modules/lodash/_ListCache.js
@@ -0,0 +1,32 @@
+var listCacheClear = require('./_listCacheClear'),
+    listCacheDelete = require('./_listCacheDelete'),
+    listCacheGet = require('./_listCacheGet'),
+    listCacheHas = require('./_listCacheHas'),
+    listCacheSet = require('./_listCacheSet');
+
+/**
+ * Creates an list cache object.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function ListCache(entries) {
+  var index = -1,
+      length = entries == null ? 0 : entries.length;
+
+  this.clear();
+  while (++index < length) {
+    var entry = entries[index];
+    this.set(entry[0], entry[1]);
+  }
+}
+
+// Add methods to `ListCache`.
+ListCache.prototype.clear = listCacheClear;
+ListCache.prototype['delete'] = listCacheDelete;
+ListCache.prototype.get = listCacheGet;
+ListCache.prototype.has = listCacheHas;
+ListCache.prototype.set = listCacheSet;
+
+module.exports = ListCache;
diff --git a/web/public/node_modules/lodash/_LodashWrapper.js b/web/public/node_modules/lodash/_LodashWrapper.js
new file mode 100644
index 000000000..c1e4d9df7
--- /dev/null
+++ b/web/public/node_modules/lodash/_LodashWrapper.js
@@ -0,0 +1,22 @@
+var baseCreate = require('./_baseCreate'),
+    baseLodash = require('./_baseLodash');
+
+/**
+ * The base constructor for creating `lodash` wrapper objects.
+ *
+ * @private
+ * @param {*} value The value to wrap.
+ * @param {boolean} [chainAll] Enable explicit method chain sequences.
+ */
+function LodashWrapper(value, chainAll) {
+  this.__wrapped__ = value;
+  this.__actions__ = [];
+  this.__chain__ = !!chainAll;
+  this.__index__ = 0;
+  this.__values__ = undefined;
+}
+
+LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+LodashWrapper.prototype.constructor = LodashWrapper;
+
+module.exports = LodashWrapper;
diff --git a/web/public/node_modules/lodash/_Map.js b/web/public/node_modules/lodash/_Map.js
new file mode 100644
index 000000000..b73f29a0f
--- /dev/null
+++ b/web/public/node_modules/lodash/_Map.js
@@ -0,0 +1,7 @@
+var getNative = require('./_getNative'),
+    root = require('./_root');
+
+/* Built-in method references that are verified to be native. */
+var Map = getNative(root, 'Map');
+
+module.exports = Map;
diff --git a/web/public/node_modules/lodash/_MapCache.js b/web/public/node_modules/lodash/_MapCache.js
new file mode 100644
index 000000000..4a4eea7bf
--- /dev/null
+++ b/web/public/node_modules/lodash/_MapCache.js
@@ -0,0 +1,32 @@
+var mapCacheClear = require('./_mapCacheClear'),
+    mapCacheDelete = require('./_mapCacheDelete'),
+    mapCacheGet = require('./_mapCacheGet'),
+    mapCacheHas = require('./_mapCacheHas'),
+    mapCacheSet = require('./_mapCacheSet');
+
+/**
+ * Creates a map cache object to store key-value pairs.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function MapCache(entries) {
+  var index = -1,
+      length = entries == null ? 0 : entries.length;
+
+  this.clear();
+  while (++index < length) {
+    var entry = entries[index];
+    this.set(entry[0], entry[1]);
+  }
+}
+
+// Add methods to `MapCache`.
+MapCache.prototype.clear = mapCacheClear;
+MapCache.prototype['delete'] = mapCacheDelete;
+MapCache.prototype.get = mapCacheGet;
+MapCache.prototype.has = mapCacheHas;
+MapCache.prototype.set = mapCacheSet;
+
+module.exports = MapCache;
diff --git a/web/public/node_modules/lodash/_Promise.js b/web/public/node_modules/lodash/_Promise.js
new file mode 100644
index 000000000..247b9e1ba
--- /dev/null
+++ b/web/public/node_modules/lodash/_Promise.js
@@ -0,0 +1,7 @@
+var getNative = require('./_getNative'),
+    root = require('./_root');
+
+/* Built-in method references that are verified to be native. */
+var Promise = getNative(root, 'Promise');
+
+module.exports = Promise;
diff --git a/web/public/node_modules/lodash/_Set.js b/web/public/node_modules/lodash/_Set.js
new file mode 100644
index 000000000..b3c8dcbf0
--- /dev/null
+++ b/web/public/node_modules/lodash/_Set.js
@@ -0,0 +1,7 @@
+var getNative = require('./_getNative'),
+    root = require('./_root');
+
+/* Built-in method references that are verified to be native. */
+var Set = getNative(root, 'Set');
+
+module.exports = Set;
diff --git a/web/public/node_modules/lodash/_SetCache.js b/web/public/node_modules/lodash/_SetCache.js
new file mode 100644
index 000000000..6468b0647
--- /dev/null
+++ b/web/public/node_modules/lodash/_SetCache.js
@@ -0,0 +1,27 @@
+var MapCache = require('./_MapCache'),
+    setCacheAdd = require('./_setCacheAdd'),
+    setCacheHas = require('./_setCacheHas');
+
+/**
+ *
+ * Creates an array cache object to store unique values.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [values] The values to cache.
+ */
+function SetCache(values) {
+  var index = -1,
+      length = values == null ? 0 : values.length;
+
+  this.__data__ = new MapCache;
+  while (++index < length) {
+    this.add(values[index]);
+  }
+}
+
+// Add methods to `SetCache`.
+SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+SetCache.prototype.has = setCacheHas;
+
+module.exports = SetCache;
diff --git a/web/public/node_modules/lodash/_Stack.js b/web/public/node_modules/lodash/_Stack.js
new file mode 100644
index 000000000..80b2cf1b0
--- /dev/null
+++ b/web/public/node_modules/lodash/_Stack.js
@@ -0,0 +1,27 @@
+var ListCache = require('./_ListCache'),
+    stackClear = require('./_stackClear'),
+    stackDelete = require('./_stackDelete'),
+    stackGet = require('./_stackGet'),
+    stackHas = require('./_stackHas'),
+    stackSet = require('./_stackSet');
+
+/**
+ * Creates a stack cache object to store key-value pairs.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function Stack(entries) {
+  var data = this.__data__ = new ListCache(entries);
+  this.size = data.size;
+}
+
+// Add methods to `Stack`.
+Stack.prototype.clear = stackClear;
+Stack.prototype['delete'] = stackDelete;
+Stack.prototype.get = stackGet;
+Stack.prototype.has = stackHas;
+Stack.prototype.set = stackSet;
+
+module.exports = Stack;
diff --git a/web/public/node_modules/lodash/_Symbol.js b/web/public/node_modules/lodash/_Symbol.js
new file mode 100644
index 000000000..a013f7c5b
--- /dev/null
+++ b/web/public/node_modules/lodash/_Symbol.js
@@ -0,0 +1,6 @@
+var root = require('./_root');
+
+/** Built-in value references. */
+var Symbol = root.Symbol;
+
+module.exports = Symbol;
diff --git a/web/public/node_modules/lodash/_Uint8Array.js b/web/public/node_modules/lodash/_Uint8Array.js
new file mode 100644
index 000000000..2fb30e157
--- /dev/null
+++ b/web/public/node_modules/lodash/_Uint8Array.js
@@ -0,0 +1,6 @@
+var root = require('./_root');
+
+/** Built-in value references. */
+var Uint8Array = root.Uint8Array;
+
+module.exports = Uint8Array;
diff --git a/web/public/node_modules/lodash/_WeakMap.js b/web/public/node_modules/lodash/_WeakMap.js
new file mode 100644
index 000000000..567f86c61
--- /dev/null
+++ b/web/public/node_modules/lodash/_WeakMap.js
@@ -0,0 +1,7 @@
+var getNative = require('./_getNative'),
+    root = require('./_root');
+
+/* Built-in method references that are verified to be native. */
+var WeakMap = getNative(root, 'WeakMap');
+
+module.exports = WeakMap;
diff --git a/web/public/node_modules/lodash/_apply.js b/web/public/node_modules/lodash/_apply.js
new file mode 100644
index 000000000..36436dda5
--- /dev/null
+++ b/web/public/node_modules/lodash/_apply.js
@@ -0,0 +1,21 @@
+/**
+ * A faster alternative to `Function#apply`, this function invokes `func`
+ * with the `this` binding of `thisArg` and the arguments of `args`.
+ *
+ * @private
+ * @param {Function} func The function to invoke.
+ * @param {*} thisArg The `this` binding of `func`.
+ * @param {Array} args The arguments to invoke `func` with.
+ * @returns {*} Returns the result of `func`.
+ */
+function apply(func, thisArg, args) {
+  switch (args.length) {
+    case 0: return func.call(thisArg);
+    case 1: return func.call(thisArg, args[0]);
+    case 2: return func.call(thisArg, args[0], args[1]);
+    case 3: return func.call(thisArg, args[0], args[1], args[2]);
+  }
+  return func.apply(thisArg, args);
+}
+
+module.exports = apply;
diff --git a/web/public/node_modules/lodash/_arrayAggregator.js b/web/public/node_modules/lodash/_arrayAggregator.js
new file mode 100644
index 000000000..d96c3ca47
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayAggregator.js
@@ -0,0 +1,22 @@
+/**
+ * A specialized version of `baseAggregator` for arrays.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} setter The function to set `accumulator` values.
+ * @param {Function} iteratee The iteratee to transform keys.
+ * @param {Object} accumulator The initial aggregated object.
+ * @returns {Function} Returns `accumulator`.
+ */
+function arrayAggregator(array, setter, iteratee, accumulator) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  while (++index < length) {
+    var value = array[index];
+    setter(accumulator, value, iteratee(value), array);
+  }
+  return accumulator;
+}
+
+module.exports = arrayAggregator;
diff --git a/web/public/node_modules/lodash/_arrayEach.js b/web/public/node_modules/lodash/_arrayEach.js
new file mode 100644
index 000000000..2c5f57968
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayEach.js
@@ -0,0 +1,22 @@
+/**
+ * A specialized version of `_.forEach` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns `array`.
+ */
+function arrayEach(array, iteratee) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  while (++index < length) {
+    if (iteratee(array[index], index, array) === false) {
+      break;
+    }
+  }
+  return array;
+}
+
+module.exports = arrayEach;
diff --git a/web/public/node_modules/lodash/_arrayEachRight.js b/web/public/node_modules/lodash/_arrayEachRight.js
new file mode 100644
index 000000000..976ca5c29
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayEachRight.js
@@ -0,0 +1,21 @@
+/**
+ * A specialized version of `_.forEachRight` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns `array`.
+ */
+function arrayEachRight(array, iteratee) {
+  var length = array == null ? 0 : array.length;
+
+  while (length--) {
+    if (iteratee(array[length], length, array) === false) {
+      break;
+    }
+  }
+  return array;
+}
+
+module.exports = arrayEachRight;
diff --git a/web/public/node_modules/lodash/_arrayEvery.js b/web/public/node_modules/lodash/_arrayEvery.js
new file mode 100644
index 000000000..e26a91845
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayEvery.js
@@ -0,0 +1,23 @@
+/**
+ * A specialized version of `_.every` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {boolean} Returns `true` if all elements pass the predicate check,
+ *  else `false`.
+ */
+function arrayEvery(array, predicate) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  while (++index < length) {
+    if (!predicate(array[index], index, array)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+module.exports = arrayEvery;
diff --git a/web/public/node_modules/lodash/_arrayFilter.js b/web/public/node_modules/lodash/_arrayFilter.js
new file mode 100644
index 000000000..75ea25445
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayFilter.js
@@ -0,0 +1,25 @@
+/**
+ * A specialized version of `_.filter` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {Array} Returns the new filtered array.
+ */
+function arrayFilter(array, predicate) {
+  var index = -1,
+      length = array == null ? 0 : array.length,
+      resIndex = 0,
+      result = [];
+
+  while (++index < length) {
+    var value = array[index];
+    if (predicate(value, index, array)) {
+      result[resIndex++] = value;
+    }
+  }
+  return result;
+}
+
+module.exports = arrayFilter;
diff --git a/web/public/node_modules/lodash/_arrayIncludes.js b/web/public/node_modules/lodash/_arrayIncludes.js
new file mode 100644
index 000000000..3737a6d9e
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayIncludes.js
@@ -0,0 +1,17 @@
+var baseIndexOf = require('./_baseIndexOf');
+
+/**
+ * A specialized version of `_.includes` for arrays without support for
+ * specifying an index to search from.
+ *
+ * @private
+ * @param {Array} [array] The array to inspect.
+ * @param {*} target The value to search for.
+ * @returns {boolean} Returns `true` if `target` is found, else `false`.
+ */
+function arrayIncludes(array, value) {
+  var length = array == null ? 0 : array.length;
+  return !!length && baseIndexOf(array, value, 0) > -1;
+}
+
+module.exports = arrayIncludes;
diff --git a/web/public/node_modules/lodash/_arrayIncludesWith.js b/web/public/node_modules/lodash/_arrayIncludesWith.js
new file mode 100644
index 000000000..235fd9758
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayIncludesWith.js
@@ -0,0 +1,22 @@
+/**
+ * This function is like `arrayIncludes` except that it accepts a comparator.
+ *
+ * @private
+ * @param {Array} [array] The array to inspect.
+ * @param {*} target The value to search for.
+ * @param {Function} comparator The comparator invoked per element.
+ * @returns {boolean} Returns `true` if `target` is found, else `false`.
+ */
+function arrayIncludesWith(array, value, comparator) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  while (++index < length) {
+    if (comparator(value, array[index])) {
+      return true;
+    }
+  }
+  return false;
+}
+
+module.exports = arrayIncludesWith;
diff --git a/web/public/node_modules/lodash/_arrayLikeKeys.js b/web/public/node_modules/lodash/_arrayLikeKeys.js
new file mode 100644
index 000000000..b2ec9ce78
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayLikeKeys.js
@@ -0,0 +1,49 @@
+var baseTimes = require('./_baseTimes'),
+    isArguments = require('./isArguments'),
+    isArray = require('./isArray'),
+    isBuffer = require('./isBuffer'),
+    isIndex = require('./_isIndex'),
+    isTypedArray = require('./isTypedArray');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Creates an array of the enumerable property names of the array-like `value`.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @param {boolean} inherited Specify returning inherited property names.
+ * @returns {Array} Returns the array of property names.
+ */
+function arrayLikeKeys(value, inherited) {
+  var isArr = isArray(value),
+      isArg = !isArr && isArguments(value),
+      isBuff = !isArr && !isArg && isBuffer(value),
+      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+      skipIndexes = isArr || isArg || isBuff || isType,
+      result = skipIndexes ? baseTimes(value.length, String) : [],
+      length = result.length;
+
+  for (var key in value) {
+    if ((inherited || hasOwnProperty.call(value, key)) &&
+        !(skipIndexes && (
+           // Safari 9 has enumerable `arguments.length` in strict mode.
+           key == 'length' ||
+           // Node.js 0.10 has enumerable non-index properties on buffers.
+           (isBuff && (key == 'offset' || key == 'parent')) ||
+           // PhantomJS 2 has enumerable non-index properties on typed arrays.
+           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+           // Skip index properties.
+           isIndex(key, length)
+        ))) {
+      result.push(key);
+    }
+  }
+  return result;
+}
+
+module.exports = arrayLikeKeys;
diff --git a/web/public/node_modules/lodash/_arrayMap.js b/web/public/node_modules/lodash/_arrayMap.js
new file mode 100644
index 000000000..22b22464e
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayMap.js
@@ -0,0 +1,21 @@
+/**
+ * A specialized version of `_.map` for arrays without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ */
+function arrayMap(array, iteratee) {
+  var index = -1,
+      length = array == null ? 0 : array.length,
+      result = Array(length);
+
+  while (++index < length) {
+    result[index] = iteratee(array[index], index, array);
+  }
+  return result;
+}
+
+module.exports = arrayMap;
diff --git a/web/public/node_modules/lodash/_arrayPush.js b/web/public/node_modules/lodash/_arrayPush.js
new file mode 100644
index 000000000..7d742b383
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayPush.js
@@ -0,0 +1,20 @@
+/**
+ * Appends the elements of `values` to `array`.
+ *
+ * @private
+ * @param {Array} array The array to modify.
+ * @param {Array} values The values to append.
+ * @returns {Array} Returns `array`.
+ */
+function arrayPush(array, values) {
+  var index = -1,
+      length = values.length,
+      offset = array.length;
+
+  while (++index < length) {
+    array[offset + index] = values[index];
+  }
+  return array;
+}
+
+module.exports = arrayPush;
diff --git a/web/public/node_modules/lodash/_arrayReduce.js b/web/public/node_modules/lodash/_arrayReduce.js
new file mode 100644
index 000000000..de8b79b28
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayReduce.js
@@ -0,0 +1,26 @@
+/**
+ * A specialized version of `_.reduce` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {*} [accumulator] The initial value.
+ * @param {boolean} [initAccum] Specify using the first element of `array` as
+ *  the initial value.
+ * @returns {*} Returns the accumulated value.
+ */
+function arrayReduce(array, iteratee, accumulator, initAccum) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  if (initAccum && length) {
+    accumulator = array[++index];
+  }
+  while (++index < length) {
+    accumulator = iteratee(accumulator, array[index], index, array);
+  }
+  return accumulator;
+}
+
+module.exports = arrayReduce;
diff --git a/web/public/node_modules/lodash/_arrayReduceRight.js b/web/public/node_modules/lodash/_arrayReduceRight.js
new file mode 100644
index 000000000..22d8976de
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayReduceRight.js
@@ -0,0 +1,24 @@
+/**
+ * A specialized version of `_.reduceRight` for arrays without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {*} [accumulator] The initial value.
+ * @param {boolean} [initAccum] Specify using the last element of `array` as
+ *  the initial value.
+ * @returns {*} Returns the accumulated value.
+ */
+function arrayReduceRight(array, iteratee, accumulator, initAccum) {
+  var length = array == null ? 0 : array.length;
+  if (initAccum && length) {
+    accumulator = array[--length];
+  }
+  while (length--) {
+    accumulator = iteratee(accumulator, array[length], length, array);
+  }
+  return accumulator;
+}
+
+module.exports = arrayReduceRight;
diff --git a/web/public/node_modules/lodash/_arraySample.js b/web/public/node_modules/lodash/_arraySample.js
new file mode 100644
index 000000000..fcab0105e
--- /dev/null
+++ b/web/public/node_modules/lodash/_arraySample.js
@@ -0,0 +1,15 @@
+var baseRandom = require('./_baseRandom');
+
+/**
+ * A specialized version of `_.sample` for arrays.
+ *
+ * @private
+ * @param {Array} array The array to sample.
+ * @returns {*} Returns the random element.
+ */
+function arraySample(array) {
+  var length = array.length;
+  return length ? array[baseRandom(0, length - 1)] : undefined;
+}
+
+module.exports = arraySample;
diff --git a/web/public/node_modules/lodash/_arraySampleSize.js b/web/public/node_modules/lodash/_arraySampleSize.js
new file mode 100644
index 000000000..8c7e364f5
--- /dev/null
+++ b/web/public/node_modules/lodash/_arraySampleSize.js
@@ -0,0 +1,17 @@
+var baseClamp = require('./_baseClamp'),
+    copyArray = require('./_copyArray'),
+    shuffleSelf = require('./_shuffleSelf');
+
+/**
+ * A specialized version of `_.sampleSize` for arrays.
+ *
+ * @private
+ * @param {Array} array The array to sample.
+ * @param {number} n The number of elements to sample.
+ * @returns {Array} Returns the random elements.
+ */
+function arraySampleSize(array, n) {
+  return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
+}
+
+module.exports = arraySampleSize;
diff --git a/web/public/node_modules/lodash/_arrayShuffle.js b/web/public/node_modules/lodash/_arrayShuffle.js
new file mode 100644
index 000000000..46313a39b
--- /dev/null
+++ b/web/public/node_modules/lodash/_arrayShuffle.js
@@ -0,0 +1,15 @@
+var copyArray = require('./_copyArray'),
+    shuffleSelf = require('./_shuffleSelf');
+
+/**
+ * A specialized version of `_.shuffle` for arrays.
+ *
+ * @private
+ * @param {Array} array The array to shuffle.
+ * @returns {Array} Returns the new shuffled array.
+ */
+function arrayShuffle(array) {
+  return shuffleSelf(copyArray(array));
+}
+
+module.exports = arrayShuffle;
diff --git a/web/public/node_modules/lodash/_arraySome.js b/web/public/node_modules/lodash/_arraySome.js
new file mode 100644
index 000000000..6fd02fd4a
--- /dev/null
+++ b/web/public/node_modules/lodash/_arraySome.js
@@ -0,0 +1,23 @@
+/**
+ * A specialized version of `_.some` for arrays without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {boolean} Returns `true` if any element passes the predicate check,
+ *  else `false`.
+ */
+function arraySome(array, predicate) {
+  var index = -1,
+      length = array == null ? 0 : array.length;
+
+  while (++index < length) {
+    if (predicate(array[index], index, array)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+module.exports = arraySome;
diff --git a/web/public/node_modules/lodash/_asciiSize.js b/web/public/node_modules/lodash/_asciiSize.js
new file mode 100644
index 000000000..11d29c33a
--- /dev/null
+++ b/web/public/node_modules/lodash/_asciiSize.js
@@ -0,0 +1,12 @@
+var baseProperty = require('./_baseProperty');
+
+/**
+ * Gets the size of an ASCII `string`.
+ *
+ * @private
+ * @param {string} string The string inspect.
+ * @returns {number} Returns the string size.
+ */
+var asciiSize = baseProperty('length');
+
+module.exports = asciiSize;
diff --git a/web/public/node_modules/lodash/_asciiToArray.js b/web/public/node_modules/lodash/_asciiToArray.js
new file mode 100644
index 000000000..8e3dd5b47
--- /dev/null
+++ b/web/public/node_modules/lodash/_asciiToArray.js
@@ -0,0 +1,12 @@
+/**
+ * Converts an ASCII `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function asciiToArray(string) {
+  return string.split('');
+}
+
+module.exports = asciiToArray;
diff --git a/web/public/node_modules/lodash/_asciiWords.js b/web/public/node_modules/lodash/_asciiWords.js
new file mode 100644
index 000000000..d765f0f76
--- /dev/null
+++ b/web/public/node_modules/lodash/_asciiWords.js
@@ -0,0 +1,15 @@
+/** Used to match words composed of alphanumeric characters. */
+var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+
+/**
+ * Splits an ASCII `string` into an array of its words.
+ *
+ * @private
+ * @param {string} The string to inspect.
+ * @returns {Array} Returns the words of `string`.
+ */
+function asciiWords(string) {
+  return string.match(reAsciiWord) || [];
+}
+
+module.exports = asciiWords;
diff --git a/web/public/node_modules/lodash/_assignMergeValue.js b/web/public/node_modules/lodash/_assignMergeValue.js
new file mode 100644
index 000000000..cb1185e99
--- /dev/null
+++ b/web/public/node_modules/lodash/_assignMergeValue.js
@@ -0,0 +1,20 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    eq = require('./eq');
+
+/**
+ * This function is like `assignValue` except that it doesn't assign
+ * `undefined` values.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {string} key The key of the property to assign.
+ * @param {*} value The value to assign.
+ */
+function assignMergeValue(object, key, value) {
+  if ((value !== undefined && !eq(object[key], value)) ||
+      (value === undefined && !(key in object))) {
+    baseAssignValue(object, key, value);
+  }
+}
+
+module.exports = assignMergeValue;
diff --git a/web/public/node_modules/lodash/_assignValue.js b/web/public/node_modules/lodash/_assignValue.js
new file mode 100644
index 000000000..40839575b
--- /dev/null
+++ b/web/public/node_modules/lodash/_assignValue.js
@@ -0,0 +1,28 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    eq = require('./eq');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Assigns `value` to `key` of `object` if the existing value is not equivalent
+ * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {string} key The key of the property to assign.
+ * @param {*} value The value to assign.
+ */
+function assignValue(object, key, value) {
+  var objValue = object[key];
+  if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
+      (value === undefined && !(key in object))) {
+    baseAssignValue(object, key, value);
+  }
+}
+
+module.exports = assignValue;
diff --git a/web/public/node_modules/lodash/_assocIndexOf.js b/web/public/node_modules/lodash/_assocIndexOf.js
new file mode 100644
index 000000000..5b77a2bdd
--- /dev/null
+++ b/web/public/node_modules/lodash/_assocIndexOf.js
@@ -0,0 +1,21 @@
+var eq = require('./eq');
+
+/**
+ * Gets the index at which the `key` is found in `array` of key-value pairs.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} key The key to search for.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function assocIndexOf(array, key) {
+  var length = array.length;
+  while (length--) {
+    if (eq(array[length][0], key)) {
+      return length;
+    }
+  }
+  return -1;
+}
+
+module.exports = assocIndexOf;
diff --git a/web/public/node_modules/lodash/_baseAggregator.js b/web/public/node_modules/lodash/_baseAggregator.js
new file mode 100644
index 000000000..4bc9e91f4
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseAggregator.js
@@ -0,0 +1,21 @@
+var baseEach = require('./_baseEach');
+
+/**
+ * Aggregates elements of `collection` on `accumulator` with keys transformed
+ * by `iteratee` and values set by `setter`.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} setter The function to set `accumulator` values.
+ * @param {Function} iteratee The iteratee to transform keys.
+ * @param {Object} accumulator The initial aggregated object.
+ * @returns {Function} Returns `accumulator`.
+ */
+function baseAggregator(collection, setter, iteratee, accumulator) {
+  baseEach(collection, function(value, key, collection) {
+    setter(accumulator, value, iteratee(value), collection);
+  });
+  return accumulator;
+}
+
+module.exports = baseAggregator;
diff --git a/web/public/node_modules/lodash/_baseAssign.js b/web/public/node_modules/lodash/_baseAssign.js
new file mode 100644
index 000000000..e5c4a1a5b
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseAssign.js
@@ -0,0 +1,17 @@
+var copyObject = require('./_copyObject'),
+    keys = require('./keys');
+
+/**
+ * The base implementation of `_.assign` without support for multiple sources
+ * or `customizer` functions.
+ *
+ * @private
+ * @param {Object} object The destination object.
+ * @param {Object} source The source object.
+ * @returns {Object} Returns `object`.
+ */
+function baseAssign(object, source) {
+  return object && copyObject(source, keys(source), object);
+}
+
+module.exports = baseAssign;
diff --git a/web/public/node_modules/lodash/_baseAssignIn.js b/web/public/node_modules/lodash/_baseAssignIn.js
new file mode 100644
index 000000000..6624f9006
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseAssignIn.js
@@ -0,0 +1,17 @@
+var copyObject = require('./_copyObject'),
+    keysIn = require('./keysIn');
+
+/**
+ * The base implementation of `_.assignIn` without support for multiple sources
+ * or `customizer` functions.
+ *
+ * @private
+ * @param {Object} object The destination object.
+ * @param {Object} source The source object.
+ * @returns {Object} Returns `object`.
+ */
+function baseAssignIn(object, source) {
+  return object && copyObject(source, keysIn(source), object);
+}
+
+module.exports = baseAssignIn;
diff --git a/web/public/node_modules/lodash/_baseAssignValue.js b/web/public/node_modules/lodash/_baseAssignValue.js
new file mode 100644
index 000000000..d6f66ef3a
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseAssignValue.js
@@ -0,0 +1,25 @@
+var defineProperty = require('./_defineProperty');
+
+/**
+ * The base implementation of `assignValue` and `assignMergeValue` without
+ * value checks.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {string} key The key of the property to assign.
+ * @param {*} value The value to assign.
+ */
+function baseAssignValue(object, key, value) {
+  if (key == '__proto__' && defineProperty) {
+    defineProperty(object, key, {
+      'configurable': true,
+      'enumerable': true,
+      'value': value,
+      'writable': true
+    });
+  } else {
+    object[key] = value;
+  }
+}
+
+module.exports = baseAssignValue;
diff --git a/web/public/node_modules/lodash/_baseAt.js b/web/public/node_modules/lodash/_baseAt.js
new file mode 100644
index 000000000..90e4237a0
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseAt.js
@@ -0,0 +1,23 @@
+var get = require('./get');
+
+/**
+ * The base implementation of `_.at` without support for individual paths.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {string[]} paths The property paths to pick.
+ * @returns {Array} Returns the picked elements.
+ */
+function baseAt(object, paths) {
+  var index = -1,
+      length = paths.length,
+      result = Array(length),
+      skip = object == null;
+
+  while (++index < length) {
+    result[index] = skip ? undefined : get(object, paths[index]);
+  }
+  return result;
+}
+
+module.exports = baseAt;
diff --git a/web/public/node_modules/lodash/_baseClamp.js b/web/public/node_modules/lodash/_baseClamp.js
new file mode 100644
index 000000000..a1c569292
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseClamp.js
@@ -0,0 +1,22 @@
+/**
+ * The base implementation of `_.clamp` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {number} number The number to clamp.
+ * @param {number} [lower] The lower bound.
+ * @param {number} upper The upper bound.
+ * @returns {number} Returns the clamped number.
+ */
+function baseClamp(number, lower, upper) {
+  if (number === number) {
+    if (upper !== undefined) {
+      number = number <= upper ? number : upper;
+    }
+    if (lower !== undefined) {
+      number = number >= lower ? number : lower;
+    }
+  }
+  return number;
+}
+
+module.exports = baseClamp;
diff --git a/web/public/node_modules/lodash/_baseClone.js b/web/public/node_modules/lodash/_baseClone.js
new file mode 100644
index 000000000..69f87054c
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseClone.js
@@ -0,0 +1,166 @@
+var Stack = require('./_Stack'),
+    arrayEach = require('./_arrayEach'),
+    assignValue = require('./_assignValue'),
+    baseAssign = require('./_baseAssign'),
+    baseAssignIn = require('./_baseAssignIn'),
+    cloneBuffer = require('./_cloneBuffer'),
+    copyArray = require('./_copyArray'),
+    copySymbols = require('./_copySymbols'),
+    copySymbolsIn = require('./_copySymbolsIn'),
+    getAllKeys = require('./_getAllKeys'),
+    getAllKeysIn = require('./_getAllKeysIn'),
+    getTag = require('./_getTag'),
+    initCloneArray = require('./_initCloneArray'),
+    initCloneByTag = require('./_initCloneByTag'),
+    initCloneObject = require('./_initCloneObject'),
+    isArray = require('./isArray'),
+    isBuffer = require('./isBuffer'),
+    isMap = require('./isMap'),
+    isObject = require('./isObject'),
+    isSet = require('./isSet'),
+    keys = require('./keys'),
+    keysIn = require('./keysIn');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1,
+    CLONE_FLAT_FLAG = 2,
+    CLONE_SYMBOLS_FLAG = 4;
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+    arrayTag = '[object Array]',
+    boolTag = '[object Boolean]',
+    dateTag = '[object Date]',
+    errorTag = '[object Error]',
+    funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]',
+    mapTag = '[object Map]',
+    numberTag = '[object Number]',
+    objectTag = '[object Object]',
+    regexpTag = '[object RegExp]',
+    setTag = '[object Set]',
+    stringTag = '[object String]',
+    symbolTag = '[object Symbol]',
+    weakMapTag = '[object WeakMap]';
+
+var arrayBufferTag = '[object ArrayBuffer]',
+    dataViewTag = '[object DataView]',
+    float32Tag = '[object Float32Array]',
+    float64Tag = '[object Float64Array]',
+    int8Tag = '[object Int8Array]',
+    int16Tag = '[object Int16Array]',
+    int32Tag = '[object Int32Array]',
+    uint8Tag = '[object Uint8Array]',
+    uint8ClampedTag = '[object Uint8ClampedArray]',
+    uint16Tag = '[object Uint16Array]',
+    uint32Tag = '[object Uint32Array]';
+
+/** Used to identify `toStringTag` values supported by `_.clone`. */
+var cloneableTags = {};
+cloneableTags[argsTag] = cloneableTags[arrayTag] =
+cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
+cloneableTags[boolTag] = cloneableTags[dateTag] =
+cloneableTags[float32Tag] = cloneableTags[float64Tag] =
+cloneableTags[int8Tag] = cloneableTags[int16Tag] =
+cloneableTags[int32Tag] = cloneableTags[mapTag] =
+cloneableTags[numberTag] = cloneableTags[objectTag] =
+cloneableTags[regexpTag] = cloneableTags[setTag] =
+cloneableTags[stringTag] = cloneableTags[symbolTag] =
+cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+cloneableTags[errorTag] = cloneableTags[funcTag] =
+cloneableTags[weakMapTag] = false;
+
+/**
+ * The base implementation of `_.clone` and `_.cloneDeep` which tracks
+ * traversed objects.
+ *
+ * @private
+ * @param {*} value The value to clone.
+ * @param {boolean} bitmask The bitmask flags.
+ *  1 - Deep clone
+ *  2 - Flatten inherited properties
+ *  4 - Clone symbols
+ * @param {Function} [customizer] The function to customize cloning.
+ * @param {string} [key] The key of `value`.
+ * @param {Object} [object] The parent object of `value`.
+ * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
+ * @returns {*} Returns the cloned value.
+ */
+function baseClone(value, bitmask, customizer, key, object, stack) {
+  var result,
+      isDeep = bitmask & CLONE_DEEP_FLAG,
+      isFlat = bitmask & CLONE_FLAT_FLAG,
+      isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
+  if (customizer) {
+    result = object ? customizer(value, key, object, stack) : customizer(value);
+  }
+  if (result !== undefined) {
+    return result;
+  }
+  if (!isObject(value)) {
+    return value;
+  }
+  var isArr = isArray(value);
+  if (isArr) {
+    result = initCloneArray(value);
+    if (!isDeep) {
+      return copyArray(value, result);
+    }
+  } else {
+    var tag = getTag(value),
+        isFunc = tag == funcTag || tag == genTag;
+
+    if (isBuffer(value)) {
+      return cloneBuffer(value, isDeep);
+    }
+    if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+      result = (isFlat || isFunc) ? {} : initCloneObject(value);
+      if (!isDeep) {
+        return isFlat
+          ? copySymbolsIn(value, baseAssignIn(result, value))
+          : copySymbols(value, baseAssign(result, value));
+      }
+    } else {
+      if (!cloneableTags[tag]) {
+        return object ? value : {};
+      }
+      result = initCloneByTag(value, tag, isDeep);
+    }
+  }
+  // Check for circular references and return its corresponding clone.
+  stack || (stack = new Stack);
+  var stacked = stack.get(value);
+  if (stacked) {
+    return stacked;
+  }
+  stack.set(value, result);
+
+  if (isSet(value)) {
+    value.forEach(function(subValue) {
+      result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+    });
+  } else if (isMap(value)) {
+    value.forEach(function(subValue, key) {
+      result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
+    });
+  }
+
+  var keysFunc = isFull
+    ? (isFlat ? getAllKeysIn : getAllKeys)
+    : (isFlat ? keysIn : keys);
+
+  var props = isArr ? undefined : keysFunc(value);
+  arrayEach(props || value, function(subValue, key) {
+    if (props) {
+      key = subValue;
+      subValue = value[key];
+    }
+    // Recursively populate clone (susceptible to call stack limits).
+    assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
+  });
+  return result;
+}
+
+module.exports = baseClone;
diff --git a/web/public/node_modules/lodash/_baseConforms.js b/web/public/node_modules/lodash/_baseConforms.js
new file mode 100644
index 000000000..947e20d40
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseConforms.js
@@ -0,0 +1,18 @@
+var baseConformsTo = require('./_baseConformsTo'),
+    keys = require('./keys');
+
+/**
+ * The base implementation of `_.conforms` which doesn't clone `source`.
+ *
+ * @private
+ * @param {Object} source The object of property predicates to conform to.
+ * @returns {Function} Returns the new spec function.
+ */
+function baseConforms(source) {
+  var props = keys(source);
+  return function(object) {
+    return baseConformsTo(object, source, props);
+  };
+}
+
+module.exports = baseConforms;
diff --git a/web/public/node_modules/lodash/_baseConformsTo.js b/web/public/node_modules/lodash/_baseConformsTo.js
new file mode 100644
index 000000000..e449cb84b
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseConformsTo.js
@@ -0,0 +1,27 @@
+/**
+ * The base implementation of `_.conformsTo` which accepts `props` to check.
+ *
+ * @private
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property predicates to conform to.
+ * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+ */
+function baseConformsTo(object, source, props) {
+  var length = props.length;
+  if (object == null) {
+    return !length;
+  }
+  object = Object(object);
+  while (length--) {
+    var key = props[length],
+        predicate = source[key],
+        value = object[key];
+
+    if ((value === undefined && !(key in object)) || !predicate(value)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+module.exports = baseConformsTo;
diff --git a/web/public/node_modules/lodash/_baseCreate.js b/web/public/node_modules/lodash/_baseCreate.js
new file mode 100644
index 000000000..ffa6a52ac
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseCreate.js
@@ -0,0 +1,30 @@
+var isObject = require('./isObject');
+
+/** Built-in value references. */
+var objectCreate = Object.create;
+
+/**
+ * The base implementation of `_.create` without support for assigning
+ * properties to the created object.
+ *
+ * @private
+ * @param {Object} proto The object to inherit from.
+ * @returns {Object} Returns the new object.
+ */
+var baseCreate = (function() {
+  function object() {}
+  return function(proto) {
+    if (!isObject(proto)) {
+      return {};
+    }
+    if (objectCreate) {
+      return objectCreate(proto);
+    }
+    object.prototype = proto;
+    var result = new object;
+    object.prototype = undefined;
+    return result;
+  };
+}());
+
+module.exports = baseCreate;
diff --git a/web/public/node_modules/lodash/_baseDelay.js b/web/public/node_modules/lodash/_baseDelay.js
new file mode 100644
index 000000000..1486d697e
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseDelay.js
@@ -0,0 +1,21 @@
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * The base implementation of `_.delay` and `_.defer` which accepts `args`
+ * to provide to `func`.
+ *
+ * @private
+ * @param {Function} func The function to delay.
+ * @param {number} wait The number of milliseconds to delay invocation.
+ * @param {Array} args The arguments to provide to `func`.
+ * @returns {number|Object} Returns the timer id or timeout object.
+ */
+function baseDelay(func, wait, args) {
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  return setTimeout(function() { func.apply(undefined, args); }, wait);
+}
+
+module.exports = baseDelay;
diff --git a/web/public/node_modules/lodash/_baseDifference.js b/web/public/node_modules/lodash/_baseDifference.js
new file mode 100644
index 000000000..343ac19f0
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseDifference.js
@@ -0,0 +1,67 @@
+var SetCache = require('./_SetCache'),
+    arrayIncludes = require('./_arrayIncludes'),
+    arrayIncludesWith = require('./_arrayIncludesWith'),
+    arrayMap = require('./_arrayMap'),
+    baseUnary = require('./_baseUnary'),
+    cacheHas = require('./_cacheHas');
+
+/** Used as the size to enable large array optimizations. */
+var LARGE_ARRAY_SIZE = 200;
+
+/**
+ * The base implementation of methods like `_.difference` without support
+ * for excluding multiple arrays or iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {Array} values The values to exclude.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of filtered values.
+ */
+function baseDifference(array, values, iteratee, comparator) {
+  var index = -1,
+      includes = arrayIncludes,
+      isCommon = true,
+      length = array.length,
+      result = [],
+      valuesLength = values.length;
+
+  if (!length) {
+    return result;
+  }
+  if (iteratee) {
+    values = arrayMap(values, baseUnary(iteratee));
+  }
+  if (comparator) {
+    includes = arrayIncludesWith;
+    isCommon = false;
+  }
+  else if (values.length >= LARGE_ARRAY_SIZE) {
+    includes = cacheHas;
+    isCommon = false;
+    values = new SetCache(values);
+  }
+  outer:
+  while (++index < length) {
+    var value = array[index],
+        computed = iteratee == null ? value : iteratee(value);
+
+    value = (comparator || value !== 0) ? value : 0;
+    if (isCommon && computed === computed) {
+      var valuesIndex = valuesLength;
+      while (valuesIndex--) {
+        if (values[valuesIndex] === computed) {
+          continue outer;
+        }
+      }
+      result.push(value);
+    }
+    else if (!includes(values, computed, comparator)) {
+      result.push(value);
+    }
+  }
+  return result;
+}
+
+module.exports = baseDifference;
diff --git a/web/public/node_modules/lodash/_baseEach.js b/web/public/node_modules/lodash/_baseEach.js
new file mode 100644
index 000000000..512c06768
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseEach.js
@@ -0,0 +1,14 @@
+var baseForOwn = require('./_baseForOwn'),
+    createBaseEach = require('./_createBaseEach');
+
+/**
+ * The base implementation of `_.forEach` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array|Object} Returns `collection`.
+ */
+var baseEach = createBaseEach(baseForOwn);
+
+module.exports = baseEach;
diff --git a/web/public/node_modules/lodash/_baseEachRight.js b/web/public/node_modules/lodash/_baseEachRight.js
new file mode 100644
index 000000000..0a8feeca4
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseEachRight.js
@@ -0,0 +1,14 @@
+var baseForOwnRight = require('./_baseForOwnRight'),
+    createBaseEach = require('./_createBaseEach');
+
+/**
+ * The base implementation of `_.forEachRight` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array|Object} Returns `collection`.
+ */
+var baseEachRight = createBaseEach(baseForOwnRight, true);
+
+module.exports = baseEachRight;
diff --git a/web/public/node_modules/lodash/_baseEvery.js b/web/public/node_modules/lodash/_baseEvery.js
new file mode 100644
index 000000000..fa52f7bc7
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseEvery.js
@@ -0,0 +1,21 @@
+var baseEach = require('./_baseEach');
+
+/**
+ * The base implementation of `_.every` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {boolean} Returns `true` if all elements pass the predicate check,
+ *  else `false`
+ */
+function baseEvery(collection, predicate) {
+  var result = true;
+  baseEach(collection, function(value, index, collection) {
+    result = !!predicate(value, index, collection);
+    return result;
+  });
+  return result;
+}
+
+module.exports = baseEvery;
diff --git a/web/public/node_modules/lodash/_baseExtremum.js b/web/public/node_modules/lodash/_baseExtremum.js
new file mode 100644
index 000000000..9d6aa77ed
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseExtremum.js
@@ -0,0 +1,32 @@
+var isSymbol = require('./isSymbol');
+
+/**
+ * The base implementation of methods like `_.max` and `_.min` which accepts a
+ * `comparator` to determine the extremum value.
+ *
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} iteratee The iteratee invoked per iteration.
+ * @param {Function} comparator The comparator used to compare values.
+ * @returns {*} Returns the extremum value.
+ */
+function baseExtremum(array, iteratee, comparator) {
+  var index = -1,
+      length = array.length;
+
+  while (++index < length) {
+    var value = array[index],
+        current = iteratee(value);
+
+    if (current != null && (computed === undefined
+          ? (current === current && !isSymbol(current))
+          : comparator(current, computed)
+        )) {
+      var computed = current,
+          result = value;
+    }
+  }
+  return result;
+}
+
+module.exports = baseExtremum;
diff --git a/web/public/node_modules/lodash/_baseFill.js b/web/public/node_modules/lodash/_baseFill.js
new file mode 100644
index 000000000..46ef9c761
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFill.js
@@ -0,0 +1,32 @@
+var toInteger = require('./toInteger'),
+    toLength = require('./toLength');
+
+/**
+ * The base implementation of `_.fill` without an iteratee call guard.
+ *
+ * @private
+ * @param {Array} array The array to fill.
+ * @param {*} value The value to fill `array` with.
+ * @param {number} [start=0] The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns `array`.
+ */
+function baseFill(array, value, start, end) {
+  var length = array.length;
+
+  start = toInteger(start);
+  if (start < 0) {
+    start = -start > length ? 0 : (length + start);
+  }
+  end = (end === undefined || end > length) ? length : toInteger(end);
+  if (end < 0) {
+    end += length;
+  }
+  end = start > end ? 0 : toLength(end);
+  while (start < end) {
+    array[start++] = value;
+  }
+  return array;
+}
+
+module.exports = baseFill;
diff --git a/web/public/node_modules/lodash/_baseFilter.js b/web/public/node_modules/lodash/_baseFilter.js
new file mode 100644
index 000000000..467847736
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFilter.js
@@ -0,0 +1,21 @@
+var baseEach = require('./_baseEach');
+
+/**
+ * The base implementation of `_.filter` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {Array} Returns the new filtered array.
+ */
+function baseFilter(collection, predicate) {
+  var result = [];
+  baseEach(collection, function(value, index, collection) {
+    if (predicate(value, index, collection)) {
+      result.push(value);
+    }
+  });
+  return result;
+}
+
+module.exports = baseFilter;
diff --git a/web/public/node_modules/lodash/_baseFindIndex.js b/web/public/node_modules/lodash/_baseFindIndex.js
new file mode 100644
index 000000000..e3f5d8aa2
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFindIndex.js
@@ -0,0 +1,24 @@
+/**
+ * The base implementation of `_.findIndex` and `_.findLastIndex` without
+ * support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {Function} predicate The function invoked per iteration.
+ * @param {number} fromIndex The index to search from.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function baseFindIndex(array, predicate, fromIndex, fromRight) {
+  var length = array.length,
+      index = fromIndex + (fromRight ? 1 : -1);
+
+  while ((fromRight ? index-- : ++index < length)) {
+    if (predicate(array[index], index, array)) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+module.exports = baseFindIndex;
diff --git a/web/public/node_modules/lodash/_baseFindKey.js b/web/public/node_modules/lodash/_baseFindKey.js
new file mode 100644
index 000000000..2e430f3a2
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFindKey.js
@@ -0,0 +1,23 @@
+/**
+ * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+ * without support for iteratee shorthands, which iterates over `collection`
+ * using `eachFunc`.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to inspect.
+ * @param {Function} predicate The function invoked per iteration.
+ * @param {Function} eachFunc The function to iterate over `collection`.
+ * @returns {*} Returns the found element or its key, else `undefined`.
+ */
+function baseFindKey(collection, predicate, eachFunc) {
+  var result;
+  eachFunc(collection, function(value, key, collection) {
+    if (predicate(value, key, collection)) {
+      result = key;
+      return false;
+    }
+  });
+  return result;
+}
+
+module.exports = baseFindKey;
diff --git a/web/public/node_modules/lodash/_baseFlatten.js b/web/public/node_modules/lodash/_baseFlatten.js
new file mode 100644
index 000000000..4b1e009b1
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFlatten.js
@@ -0,0 +1,38 @@
+var arrayPush = require('./_arrayPush'),
+    isFlattenable = require('./_isFlattenable');
+
+/**
+ * The base implementation of `_.flatten` with support for restricting flattening.
+ *
+ * @private
+ * @param {Array} array The array to flatten.
+ * @param {number} depth The maximum recursion depth.
+ * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+ * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+ * @param {Array} [result=[]] The initial result value.
+ * @returns {Array} Returns the new flattened array.
+ */
+function baseFlatten(array, depth, predicate, isStrict, result) {
+  var index = -1,
+      length = array.length;
+
+  predicate || (predicate = isFlattenable);
+  result || (result = []);
+
+  while (++index < length) {
+    var value = array[index];
+    if (depth > 0 && predicate(value)) {
+      if (depth > 1) {
+        // Recursively flatten arrays (susceptible to call stack limits).
+        baseFlatten(value, depth - 1, predicate, isStrict, result);
+      } else {
+        arrayPush(result, value);
+      }
+    } else if (!isStrict) {
+      result[result.length] = value;
+    }
+  }
+  return result;
+}
+
+module.exports = baseFlatten;
diff --git a/web/public/node_modules/lodash/_baseFor.js b/web/public/node_modules/lodash/_baseFor.js
new file mode 100644
index 000000000..d946590f8
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFor.js
@@ -0,0 +1,16 @@
+var createBaseFor = require('./_createBaseFor');
+
+/**
+ * The base implementation of `baseForOwn` which iterates over `object`
+ * properties returned by `keysFunc` and invokes `iteratee` for each property.
+ * Iteratee functions may exit iteration early by explicitly returning `false`.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {Function} keysFunc The function to get the keys of `object`.
+ * @returns {Object} Returns `object`.
+ */
+var baseFor = createBaseFor();
+
+module.exports = baseFor;
diff --git a/web/public/node_modules/lodash/_baseForOwn.js b/web/public/node_modules/lodash/_baseForOwn.js
new file mode 100644
index 000000000..503d52344
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseForOwn.js
@@ -0,0 +1,16 @@
+var baseFor = require('./_baseFor'),
+    keys = require('./keys');
+
+/**
+ * The base implementation of `_.forOwn` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ */
+function baseForOwn(object, iteratee) {
+  return object && baseFor(object, iteratee, keys);
+}
+
+module.exports = baseForOwn;
diff --git a/web/public/node_modules/lodash/_baseForOwnRight.js b/web/public/node_modules/lodash/_baseForOwnRight.js
new file mode 100644
index 000000000..a4b10e6c5
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseForOwnRight.js
@@ -0,0 +1,16 @@
+var baseForRight = require('./_baseForRight'),
+    keys = require('./keys');
+
+/**
+ * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ */
+function baseForOwnRight(object, iteratee) {
+  return object && baseForRight(object, iteratee, keys);
+}
+
+module.exports = baseForOwnRight;
diff --git a/web/public/node_modules/lodash/_baseForRight.js b/web/public/node_modules/lodash/_baseForRight.js
new file mode 100644
index 000000000..32842cd81
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseForRight.js
@@ -0,0 +1,15 @@
+var createBaseFor = require('./_createBaseFor');
+
+/**
+ * This function is like `baseFor` except that it iterates over properties
+ * in the opposite order.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {Function} keysFunc The function to get the keys of `object`.
+ * @returns {Object} Returns `object`.
+ */
+var baseForRight = createBaseFor(true);
+
+module.exports = baseForRight;
diff --git a/web/public/node_modules/lodash/_baseFunctions.js b/web/public/node_modules/lodash/_baseFunctions.js
new file mode 100644
index 000000000..d23bc9b47
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseFunctions.js
@@ -0,0 +1,19 @@
+var arrayFilter = require('./_arrayFilter'),
+    isFunction = require('./isFunction');
+
+/**
+ * The base implementation of `_.functions` which creates an array of
+ * `object` function property names filtered from `props`.
+ *
+ * @private
+ * @param {Object} object The object to inspect.
+ * @param {Array} props The property names to filter.
+ * @returns {Array} Returns the function names.
+ */
+function baseFunctions(object, props) {
+  return arrayFilter(props, function(key) {
+    return isFunction(object[key]);
+  });
+}
+
+module.exports = baseFunctions;
diff --git a/web/public/node_modules/lodash/_baseGet.js b/web/public/node_modules/lodash/_baseGet.js
new file mode 100644
index 000000000..a194913d2
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseGet.js
@@ -0,0 +1,24 @@
+var castPath = require('./_castPath'),
+    toKey = require('./_toKey');
+
+/**
+ * The base implementation of `_.get` without support for default values.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the property to get.
+ * @returns {*} Returns the resolved value.
+ */
+function baseGet(object, path) {
+  path = castPath(path, object);
+
+  var index = 0,
+      length = path.length;
+
+  while (object != null && index < length) {
+    object = object[toKey(path[index++])];
+  }
+  return (index && index == length) ? object : undefined;
+}
+
+module.exports = baseGet;
diff --git a/web/public/node_modules/lodash/_baseGetAllKeys.js b/web/public/node_modules/lodash/_baseGetAllKeys.js
new file mode 100644
index 000000000..8ad204ea4
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseGetAllKeys.js
@@ -0,0 +1,20 @@
+var arrayPush = require('./_arrayPush'),
+    isArray = require('./isArray');
+
+/**
+ * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+ * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+ * symbols of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Function} keysFunc The function to get the keys of `object`.
+ * @param {Function} symbolsFunc The function to get the symbols of `object`.
+ * @returns {Array} Returns the array of property names and symbols.
+ */
+function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+  var result = keysFunc(object);
+  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+}
+
+module.exports = baseGetAllKeys;
diff --git a/web/public/node_modules/lodash/_baseGetTag.js b/web/public/node_modules/lodash/_baseGetTag.js
new file mode 100644
index 000000000..b927ccc17
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseGetTag.js
@@ -0,0 +1,28 @@
+var Symbol = require('./_Symbol'),
+    getRawTag = require('./_getRawTag'),
+    objectToString = require('./_objectToString');
+
+/** `Object#toString` result references. */
+var nullTag = '[object Null]',
+    undefinedTag = '[object Undefined]';
+
+/** Built-in value references. */
+var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+/**
+ * The base implementation of `getTag` without fallbacks for buggy environments.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+function baseGetTag(value) {
+  if (value == null) {
+    return value === undefined ? undefinedTag : nullTag;
+  }
+  return (symToStringTag && symToStringTag in Object(value))
+    ? getRawTag(value)
+    : objectToString(value);
+}
+
+module.exports = baseGetTag;
diff --git a/web/public/node_modules/lodash/_baseGt.js b/web/public/node_modules/lodash/_baseGt.js
new file mode 100644
index 000000000..502d273ca
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseGt.js
@@ -0,0 +1,14 @@
+/**
+ * The base implementation of `_.gt` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if `value` is greater than `other`,
+ *  else `false`.
+ */
+function baseGt(value, other) {
+  return value > other;
+}
+
+module.exports = baseGt;
diff --git a/web/public/node_modules/lodash/_baseHas.js b/web/public/node_modules/lodash/_baseHas.js
new file mode 100644
index 000000000..1b730321c
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseHas.js
@@ -0,0 +1,19 @@
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * The base implementation of `_.has` without support for deep paths.
+ *
+ * @private
+ * @param {Object} [object] The object to query.
+ * @param {Array|string} key The key to check.
+ * @returns {boolean} Returns `true` if `key` exists, else `false`.
+ */
+function baseHas(object, key) {
+  return object != null && hasOwnProperty.call(object, key);
+}
+
+module.exports = baseHas;
diff --git a/web/public/node_modules/lodash/_baseHasIn.js b/web/public/node_modules/lodash/_baseHasIn.js
new file mode 100644
index 000000000..2e0d04269
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseHasIn.js
@@ -0,0 +1,13 @@
+/**
+ * The base implementation of `_.hasIn` without support for deep paths.
+ *
+ * @private
+ * @param {Object} [object] The object to query.
+ * @param {Array|string} key The key to check.
+ * @returns {boolean} Returns `true` if `key` exists, else `false`.
+ */
+function baseHasIn(object, key) {
+  return object != null && key in Object(object);
+}
+
+module.exports = baseHasIn;
diff --git a/web/public/node_modules/lodash/_baseInRange.js b/web/public/node_modules/lodash/_baseInRange.js
new file mode 100644
index 000000000..ec9566618
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseInRange.js
@@ -0,0 +1,18 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max,
+    nativeMin = Math.min;
+
+/**
+ * The base implementation of `_.inRange` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {number} number The number to check.
+ * @param {number} start The start of the range.
+ * @param {number} end The end of the range.
+ * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+ */
+function baseInRange(number, start, end) {
+  return number >= nativeMin(start, end) && number < nativeMax(start, end);
+}
+
+module.exports = baseInRange;
diff --git a/web/public/node_modules/lodash/_baseIndexOf.js b/web/public/node_modules/lodash/_baseIndexOf.js
new file mode 100644
index 000000000..167e706e7
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIndexOf.js
@@ -0,0 +1,20 @@
+var baseFindIndex = require('./_baseFindIndex'),
+    baseIsNaN = require('./_baseIsNaN'),
+    strictIndexOf = require('./_strictIndexOf');
+
+/**
+ * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} fromIndex The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function baseIndexOf(array, value, fromIndex) {
+  return value === value
+    ? strictIndexOf(array, value, fromIndex)
+    : baseFindIndex(array, baseIsNaN, fromIndex);
+}
+
+module.exports = baseIndexOf;
diff --git a/web/public/node_modules/lodash/_baseIndexOfWith.js b/web/public/node_modules/lodash/_baseIndexOfWith.js
new file mode 100644
index 000000000..f815fe0dd
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIndexOfWith.js
@@ -0,0 +1,23 @@
+/**
+ * This function is like `baseIndexOf` except that it accepts a comparator.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} fromIndex The index to search from.
+ * @param {Function} comparator The comparator invoked per element.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function baseIndexOfWith(array, value, fromIndex, comparator) {
+  var index = fromIndex - 1,
+      length = array.length;
+
+  while (++index < length) {
+    if (comparator(array[index], value)) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+module.exports = baseIndexOfWith;
diff --git a/web/public/node_modules/lodash/_baseIntersection.js b/web/public/node_modules/lodash/_baseIntersection.js
new file mode 100644
index 000000000..c1d250c2a
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIntersection.js
@@ -0,0 +1,74 @@
+var SetCache = require('./_SetCache'),
+    arrayIncludes = require('./_arrayIncludes'),
+    arrayIncludesWith = require('./_arrayIncludesWith'),
+    arrayMap = require('./_arrayMap'),
+    baseUnary = require('./_baseUnary'),
+    cacheHas = require('./_cacheHas');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min;
+
+/**
+ * The base implementation of methods like `_.intersection`, without support
+ * for iteratee shorthands, that accepts an array of arrays to inspect.
+ *
+ * @private
+ * @param {Array} arrays The arrays to inspect.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of shared values.
+ */
+function baseIntersection(arrays, iteratee, comparator) {
+  var includes = comparator ? arrayIncludesWith : arrayIncludes,
+      length = arrays[0].length,
+      othLength = arrays.length,
+      othIndex = othLength,
+      caches = Array(othLength),
+      maxLength = Infinity,
+      result = [];
+
+  while (othIndex--) {
+    var array = arrays[othIndex];
+    if (othIndex && iteratee) {
+      array = arrayMap(array, baseUnary(iteratee));
+    }
+    maxLength = nativeMin(array.length, maxLength);
+    caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
+      ? new SetCache(othIndex && array)
+      : undefined;
+  }
+  array = arrays[0];
+
+  var index = -1,
+      seen = caches[0];
+
+  outer:
+  while (++index < length && result.length < maxLength) {
+    var value = array[index],
+        computed = iteratee ? iteratee(value) : value;
+
+    value = (comparator || value !== 0) ? value : 0;
+    if (!(seen
+          ? cacheHas(seen, computed)
+          : includes(result, computed, comparator)
+        )) {
+      othIndex = othLength;
+      while (--othIndex) {
+        var cache = caches[othIndex];
+        if (!(cache
+              ? cacheHas(cache, computed)
+              : includes(arrays[othIndex], computed, comparator))
+            ) {
+          continue outer;
+        }
+      }
+      if (seen) {
+        seen.push(computed);
+      }
+      result.push(value);
+    }
+  }
+  return result;
+}
+
+module.exports = baseIntersection;
diff --git a/web/public/node_modules/lodash/_baseInverter.js b/web/public/node_modules/lodash/_baseInverter.js
new file mode 100644
index 000000000..fbc337f01
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseInverter.js
@@ -0,0 +1,21 @@
+var baseForOwn = require('./_baseForOwn');
+
+/**
+ * The base implementation of `_.invert` and `_.invertBy` which inverts
+ * `object` with values transformed by `iteratee` and set by `setter`.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} setter The function to set `accumulator` values.
+ * @param {Function} iteratee The iteratee to transform values.
+ * @param {Object} accumulator The initial inverted object.
+ * @returns {Function} Returns `accumulator`.
+ */
+function baseInverter(object, setter, iteratee, accumulator) {
+  baseForOwn(object, function(value, key, object) {
+    setter(accumulator, iteratee(value), key, object);
+  });
+  return accumulator;
+}
+
+module.exports = baseInverter;
diff --git a/web/public/node_modules/lodash/_baseInvoke.js b/web/public/node_modules/lodash/_baseInvoke.js
new file mode 100644
index 000000000..49bcf3c35
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseInvoke.js
@@ -0,0 +1,24 @@
+var apply = require('./_apply'),
+    castPath = require('./_castPath'),
+    last = require('./last'),
+    parent = require('./_parent'),
+    toKey = require('./_toKey');
+
+/**
+ * The base implementation of `_.invoke` without support for individual
+ * method arguments.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the method to invoke.
+ * @param {Array} args The arguments to invoke the method with.
+ * @returns {*} Returns the result of the invoked method.
+ */
+function baseInvoke(object, path, args) {
+  path = castPath(path, object);
+  object = parent(object, path);
+  var func = object == null ? object : object[toKey(last(path))];
+  return func == null ? undefined : apply(func, object, args);
+}
+
+module.exports = baseInvoke;
diff --git a/web/public/node_modules/lodash/_baseIsArguments.js b/web/public/node_modules/lodash/_baseIsArguments.js
new file mode 100644
index 000000000..b3562cca2
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsArguments.js
@@ -0,0 +1,18 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]';
+
+/**
+ * The base implementation of `_.isArguments`.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+ */
+function baseIsArguments(value) {
+  return isObjectLike(value) && baseGetTag(value) == argsTag;
+}
+
+module.exports = baseIsArguments;
diff --git a/web/public/node_modules/lodash/_baseIsArrayBuffer.js b/web/public/node_modules/lodash/_baseIsArrayBuffer.js
new file mode 100644
index 000000000..a2c4f30a8
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsArrayBuffer.js
@@ -0,0 +1,17 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+var arrayBufferTag = '[object ArrayBuffer]';
+
+/**
+ * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+ */
+function baseIsArrayBuffer(value) {
+  return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
+}
+
+module.exports = baseIsArrayBuffer;
diff --git a/web/public/node_modules/lodash/_baseIsDate.js b/web/public/node_modules/lodash/_baseIsDate.js
new file mode 100644
index 000000000..ba67c7857
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsDate.js
@@ -0,0 +1,18 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var dateTag = '[object Date]';
+
+/**
+ * The base implementation of `_.isDate` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+ */
+function baseIsDate(value) {
+  return isObjectLike(value) && baseGetTag(value) == dateTag;
+}
+
+module.exports = baseIsDate;
diff --git a/web/public/node_modules/lodash/_baseIsEqual.js b/web/public/node_modules/lodash/_baseIsEqual.js
new file mode 100644
index 000000000..00a68a4f5
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsEqual.js
@@ -0,0 +1,28 @@
+var baseIsEqualDeep = require('./_baseIsEqualDeep'),
+    isObjectLike = require('./isObjectLike');
+
+/**
+ * The base implementation of `_.isEqual` which supports partial comparisons
+ * and tracks traversed objects.
+ *
+ * @private
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @param {boolean} bitmask The bitmask flags.
+ *  1 - Unordered comparison
+ *  2 - Partial comparison
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+ */
+function baseIsEqual(value, other, bitmask, customizer, stack) {
+  if (value === other) {
+    return true;
+  }
+  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+    return value !== value && other !== other;
+  }
+  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+}
+
+module.exports = baseIsEqual;
diff --git a/web/public/node_modules/lodash/_baseIsEqualDeep.js b/web/public/node_modules/lodash/_baseIsEqualDeep.js
new file mode 100644
index 000000000..e3cfd6a8d
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsEqualDeep.js
@@ -0,0 +1,83 @@
+var Stack = require('./_Stack'),
+    equalArrays = require('./_equalArrays'),
+    equalByTag = require('./_equalByTag'),
+    equalObjects = require('./_equalObjects'),
+    getTag = require('./_getTag'),
+    isArray = require('./isArray'),
+    isBuffer = require('./isBuffer'),
+    isTypedArray = require('./isTypedArray');
+
+/** Used to compose bitmasks for value comparisons. */
+var COMPARE_PARTIAL_FLAG = 1;
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+    arrayTag = '[object Array]',
+    objectTag = '[object Object]';
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * A specialized version of `baseIsEqual` for arrays and objects which performs
+ * deep comparisons and tracks traversed objects enabling objects with circular
+ * references to be compared.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+  var objIsArr = isArray(object),
+      othIsArr = isArray(other),
+      objTag = objIsArr ? arrayTag : getTag(object),
+      othTag = othIsArr ? arrayTag : getTag(other);
+
+  objTag = objTag == argsTag ? objectTag : objTag;
+  othTag = othTag == argsTag ? objectTag : othTag;
+
+  var objIsObj = objTag == objectTag,
+      othIsObj = othTag == objectTag,
+      isSameTag = objTag == othTag;
+
+  if (isSameTag && isBuffer(object)) {
+    if (!isBuffer(other)) {
+      return false;
+    }
+    objIsArr = true;
+    objIsObj = false;
+  }
+  if (isSameTag && !objIsObj) {
+    stack || (stack = new Stack);
+    return (objIsArr || isTypedArray(object))
+      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+  }
+  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
+    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+    if (objIsWrapped || othIsWrapped) {
+      var objUnwrapped = objIsWrapped ? object.value() : object,
+          othUnwrapped = othIsWrapped ? other.value() : other;
+
+      stack || (stack = new Stack);
+      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+    }
+  }
+  if (!isSameTag) {
+    return false;
+  }
+  stack || (stack = new Stack);
+  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+}
+
+module.exports = baseIsEqualDeep;
diff --git a/web/public/node_modules/lodash/_baseIsMap.js b/web/public/node_modules/lodash/_baseIsMap.js
new file mode 100644
index 000000000..02a4021ca
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsMap.js
@@ -0,0 +1,18 @@
+var getTag = require('./_getTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var mapTag = '[object Map]';
+
+/**
+ * The base implementation of `_.isMap` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+ */
+function baseIsMap(value) {
+  return isObjectLike(value) && getTag(value) == mapTag;
+}
+
+module.exports = baseIsMap;
diff --git a/web/public/node_modules/lodash/_baseIsMatch.js b/web/public/node_modules/lodash/_baseIsMatch.js
new file mode 100644
index 000000000..72494bed4
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsMatch.js
@@ -0,0 +1,62 @@
+var Stack = require('./_Stack'),
+    baseIsEqual = require('./_baseIsEqual');
+
+/** Used to compose bitmasks for value comparisons. */
+var COMPARE_PARTIAL_FLAG = 1,
+    COMPARE_UNORDERED_FLAG = 2;
+
+/**
+ * The base implementation of `_.isMatch` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property values to match.
+ * @param {Array} matchData The property names, values, and compare flags to match.
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+ */
+function baseIsMatch(object, source, matchData, customizer) {
+  var index = matchData.length,
+      length = index,
+      noCustomizer = !customizer;
+
+  if (object == null) {
+    return !length;
+  }
+  object = Object(object);
+  while (index--) {
+    var data = matchData[index];
+    if ((noCustomizer && data[2])
+          ? data[1] !== object[data[0]]
+          : !(data[0] in object)
+        ) {
+      return false;
+    }
+  }
+  while (++index < length) {
+    data = matchData[index];
+    var key = data[0],
+        objValue = object[key],
+        srcValue = data[1];
+
+    if (noCustomizer && data[2]) {
+      if (objValue === undefined && !(key in object)) {
+        return false;
+      }
+    } else {
+      var stack = new Stack;
+      if (customizer) {
+        var result = customizer(objValue, srcValue, key, object, source, stack);
+      }
+      if (!(result === undefined
+            ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
+            : result
+          )) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+module.exports = baseIsMatch;
diff --git a/web/public/node_modules/lodash/_baseIsNaN.js b/web/public/node_modules/lodash/_baseIsNaN.js
new file mode 100644
index 000000000..316f1eb1e
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsNaN.js
@@ -0,0 +1,12 @@
+/**
+ * The base implementation of `_.isNaN` without support for number objects.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+ */
+function baseIsNaN(value) {
+  return value !== value;
+}
+
+module.exports = baseIsNaN;
diff --git a/web/public/node_modules/lodash/_baseIsNative.js b/web/public/node_modules/lodash/_baseIsNative.js
new file mode 100644
index 000000000..870233049
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsNative.js
@@ -0,0 +1,47 @@
+var isFunction = require('./isFunction'),
+    isMasked = require('./_isMasked'),
+    isObject = require('./isObject'),
+    toSource = require('./_toSource');
+
+/**
+ * Used to match `RegExp`
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+ */
+var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+
+/** Used to detect host constructors (Safari). */
+var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+/** Used for built-in method references. */
+var funcProto = Function.prototype,
+    objectProto = Object.prototype;
+
+/** Used to resolve the decompiled source of functions. */
+var funcToString = funcProto.toString;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/** Used to detect if a method is native. */
+var reIsNative = RegExp('^' +
+  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+);
+
+/**
+ * The base implementation of `_.isNative` without bad shim checks.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a native function,
+ *  else `false`.
+ */
+function baseIsNative(value) {
+  if (!isObject(value) || isMasked(value)) {
+    return false;
+  }
+  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+  return pattern.test(toSource(value));
+}
+
+module.exports = baseIsNative;
diff --git a/web/public/node_modules/lodash/_baseIsRegExp.js b/web/public/node_modules/lodash/_baseIsRegExp.js
new file mode 100644
index 000000000..6cd7c1aee
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsRegExp.js
@@ -0,0 +1,18 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var regexpTag = '[object RegExp]';
+
+/**
+ * The base implementation of `_.isRegExp` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+ */
+function baseIsRegExp(value) {
+  return isObjectLike(value) && baseGetTag(value) == regexpTag;
+}
+
+module.exports = baseIsRegExp;
diff --git a/web/public/node_modules/lodash/_baseIsSet.js b/web/public/node_modules/lodash/_baseIsSet.js
new file mode 100644
index 000000000..6dee36716
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsSet.js
@@ -0,0 +1,18 @@
+var getTag = require('./_getTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var setTag = '[object Set]';
+
+/**
+ * The base implementation of `_.isSet` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+ */
+function baseIsSet(value) {
+  return isObjectLike(value) && getTag(value) == setTag;
+}
+
+module.exports = baseIsSet;
diff --git a/web/public/node_modules/lodash/_baseIsTypedArray.js b/web/public/node_modules/lodash/_baseIsTypedArray.js
new file mode 100644
index 000000000..1edb32ff3
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIsTypedArray.js
@@ -0,0 +1,60 @@
+var baseGetTag = require('./_baseGetTag'),
+    isLength = require('./isLength'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+    arrayTag = '[object Array]',
+    boolTag = '[object Boolean]',
+    dateTag = '[object Date]',
+    errorTag = '[object Error]',
+    funcTag = '[object Function]',
+    mapTag = '[object Map]',
+    numberTag = '[object Number]',
+    objectTag = '[object Object]',
+    regexpTag = '[object RegExp]',
+    setTag = '[object Set]',
+    stringTag = '[object String]',
+    weakMapTag = '[object WeakMap]';
+
+var arrayBufferTag = '[object ArrayBuffer]',
+    dataViewTag = '[object DataView]',
+    float32Tag = '[object Float32Array]',
+    float64Tag = '[object Float64Array]',
+    int8Tag = '[object Int8Array]',
+    int16Tag = '[object Int16Array]',
+    int32Tag = '[object Int32Array]',
+    uint8Tag = '[object Uint8Array]',
+    uint8ClampedTag = '[object Uint8ClampedArray]',
+    uint16Tag = '[object Uint16Array]',
+    uint32Tag = '[object Uint32Array]';
+
+/** Used to identify `toStringTag` values of typed arrays. */
+var typedArrayTags = {};
+typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+typedArrayTags[uint32Tag] = true;
+typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
+typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+typedArrayTags[setTag] = typedArrayTags[stringTag] =
+typedArrayTags[weakMapTag] = false;
+
+/**
+ * The base implementation of `_.isTypedArray` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+ */
+function baseIsTypedArray(value) {
+  return isObjectLike(value) &&
+    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+}
+
+module.exports = baseIsTypedArray;
diff --git a/web/public/node_modules/lodash/_baseIteratee.js b/web/public/node_modules/lodash/_baseIteratee.js
new file mode 100644
index 000000000..995c25756
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseIteratee.js
@@ -0,0 +1,31 @@
+var baseMatches = require('./_baseMatches'),
+    baseMatchesProperty = require('./_baseMatchesProperty'),
+    identity = require('./identity'),
+    isArray = require('./isArray'),
+    property = require('./property');
+
+/**
+ * The base implementation of `_.iteratee`.
+ *
+ * @private
+ * @param {*} [value=_.identity] The value to convert to an iteratee.
+ * @returns {Function} Returns the iteratee.
+ */
+function baseIteratee(value) {
+  // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+  // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+  if (typeof value == 'function') {
+    return value;
+  }
+  if (value == null) {
+    return identity;
+  }
+  if (typeof value == 'object') {
+    return isArray(value)
+      ? baseMatchesProperty(value[0], value[1])
+      : baseMatches(value);
+  }
+  return property(value);
+}
+
+module.exports = baseIteratee;
diff --git a/web/public/node_modules/lodash/_baseKeys.js b/web/public/node_modules/lodash/_baseKeys.js
new file mode 100644
index 000000000..45e9e6f39
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseKeys.js
@@ -0,0 +1,30 @@
+var isPrototype = require('./_isPrototype'),
+    nativeKeys = require('./_nativeKeys');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function baseKeys(object) {
+  if (!isPrototype(object)) {
+    return nativeKeys(object);
+  }
+  var result = [];
+  for (var key in Object(object)) {
+    if (hasOwnProperty.call(object, key) && key != 'constructor') {
+      result.push(key);
+    }
+  }
+  return result;
+}
+
+module.exports = baseKeys;
diff --git a/web/public/node_modules/lodash/_baseKeysIn.js b/web/public/node_modules/lodash/_baseKeysIn.js
new file mode 100644
index 000000000..ea8a0a174
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseKeysIn.js
@@ -0,0 +1,33 @@
+var isObject = require('./isObject'),
+    isPrototype = require('./_isPrototype'),
+    nativeKeysIn = require('./_nativeKeysIn');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function baseKeysIn(object) {
+  if (!isObject(object)) {
+    return nativeKeysIn(object);
+  }
+  var isProto = isPrototype(object),
+      result = [];
+
+  for (var key in object) {
+    if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+      result.push(key);
+    }
+  }
+  return result;
+}
+
+module.exports = baseKeysIn;
diff --git a/web/public/node_modules/lodash/_baseLodash.js b/web/public/node_modules/lodash/_baseLodash.js
new file mode 100644
index 000000000..f76c790e2
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseLodash.js
@@ -0,0 +1,10 @@
+/**
+ * The function whose prototype chain sequence wrappers inherit from.
+ *
+ * @private
+ */
+function baseLodash() {
+  // No operation performed.
+}
+
+module.exports = baseLodash;
diff --git a/web/public/node_modules/lodash/_baseLt.js b/web/public/node_modules/lodash/_baseLt.js
new file mode 100644
index 000000000..8674d2946
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseLt.js
@@ -0,0 +1,14 @@
+/**
+ * The base implementation of `_.lt` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if `value` is less than `other`,
+ *  else `false`.
+ */
+function baseLt(value, other) {
+  return value < other;
+}
+
+module.exports = baseLt;
diff --git a/web/public/node_modules/lodash/_baseMap.js b/web/public/node_modules/lodash/_baseMap.js
new file mode 100644
index 000000000..0bf5cead5
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseMap.js
@@ -0,0 +1,22 @@
+var baseEach = require('./_baseEach'),
+    isArrayLike = require('./isArrayLike');
+
+/**
+ * The base implementation of `_.map` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ */
+function baseMap(collection, iteratee) {
+  var index = -1,
+      result = isArrayLike(collection) ? Array(collection.length) : [];
+
+  baseEach(collection, function(value, key, collection) {
+    result[++index] = iteratee(value, key, collection);
+  });
+  return result;
+}
+
+module.exports = baseMap;
diff --git a/web/public/node_modules/lodash/_baseMatches.js b/web/public/node_modules/lodash/_baseMatches.js
new file mode 100644
index 000000000..e56582ad8
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseMatches.js
@@ -0,0 +1,22 @@
+var baseIsMatch = require('./_baseIsMatch'),
+    getMatchData = require('./_getMatchData'),
+    matchesStrictComparable = require('./_matchesStrictComparable');
+
+/**
+ * The base implementation of `_.matches` which doesn't clone `source`.
+ *
+ * @private
+ * @param {Object} source The object of property values to match.
+ * @returns {Function} Returns the new spec function.
+ */
+function baseMatches(source) {
+  var matchData = getMatchData(source);
+  if (matchData.length == 1 && matchData[0][2]) {
+    return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+  }
+  return function(object) {
+    return object === source || baseIsMatch(object, source, matchData);
+  };
+}
+
+module.exports = baseMatches;
diff --git a/web/public/node_modules/lodash/_baseMatchesProperty.js b/web/public/node_modules/lodash/_baseMatchesProperty.js
new file mode 100644
index 000000000..24afd893d
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseMatchesProperty.js
@@ -0,0 +1,33 @@
+var baseIsEqual = require('./_baseIsEqual'),
+    get = require('./get'),
+    hasIn = require('./hasIn'),
+    isKey = require('./_isKey'),
+    isStrictComparable = require('./_isStrictComparable'),
+    matchesStrictComparable = require('./_matchesStrictComparable'),
+    toKey = require('./_toKey');
+
+/** Used to compose bitmasks for value comparisons. */
+var COMPARE_PARTIAL_FLAG = 1,
+    COMPARE_UNORDERED_FLAG = 2;
+
+/**
+ * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+ *
+ * @private
+ * @param {string} path The path of the property to get.
+ * @param {*} srcValue The value to match.
+ * @returns {Function} Returns the new spec function.
+ */
+function baseMatchesProperty(path, srcValue) {
+  if (isKey(path) && isStrictComparable(srcValue)) {
+    return matchesStrictComparable(toKey(path), srcValue);
+  }
+  return function(object) {
+    var objValue = get(object, path);
+    return (objValue === undefined && objValue === srcValue)
+      ? hasIn(object, path)
+      : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
+  };
+}
+
+module.exports = baseMatchesProperty;
diff --git a/web/public/node_modules/lodash/_baseMean.js b/web/public/node_modules/lodash/_baseMean.js
new file mode 100644
index 000000000..fa9e00a0a
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseMean.js
@@ -0,0 +1,20 @@
+var baseSum = require('./_baseSum');
+
+/** Used as references for various `Number` constants. */
+var NAN = 0 / 0;
+
+/**
+ * The base implementation of `_.mean` and `_.meanBy` without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {number} Returns the mean.
+ */
+function baseMean(array, iteratee) {
+  var length = array == null ? 0 : array.length;
+  return length ? (baseSum(array, iteratee) / length) : NAN;
+}
+
+module.exports = baseMean;
diff --git a/web/public/node_modules/lodash/_baseMerge.js b/web/public/node_modules/lodash/_baseMerge.js
new file mode 100644
index 000000000..c98b5eb0b
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseMerge.js
@@ -0,0 +1,42 @@
+var Stack = require('./_Stack'),
+    assignMergeValue = require('./_assignMergeValue'),
+    baseFor = require('./_baseFor'),
+    baseMergeDeep = require('./_baseMergeDeep'),
+    isObject = require('./isObject'),
+    keysIn = require('./keysIn'),
+    safeGet = require('./_safeGet');
+
+/**
+ * The base implementation of `_.merge` without support for multiple sources.
+ *
+ * @private
+ * @param {Object} object The destination object.
+ * @param {Object} source The source object.
+ * @param {number} srcIndex The index of `source`.
+ * @param {Function} [customizer] The function to customize merged values.
+ * @param {Object} [stack] Tracks traversed source values and their merged
+ *  counterparts.
+ */
+function baseMerge(object, source, srcIndex, customizer, stack) {
+  if (object === source) {
+    return;
+  }
+  baseFor(source, function(srcValue, key) {
+    stack || (stack = new Stack);
+    if (isObject(srcValue)) {
+      baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+    }
+    else {
+      var newValue = customizer
+        ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
+        : undefined;
+
+      if (newValue === undefined) {
+        newValue = srcValue;
+      }
+      assignMergeValue(object, key, newValue);
+    }
+  }, keysIn);
+}
+
+module.exports = baseMerge;
diff --git a/web/public/node_modules/lodash/_baseMergeDeep.js b/web/public/node_modules/lodash/_baseMergeDeep.js
new file mode 100644
index 000000000..4679e8dce
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseMergeDeep.js
@@ -0,0 +1,94 @@
+var assignMergeValue = require('./_assignMergeValue'),
+    cloneBuffer = require('./_cloneBuffer'),
+    cloneTypedArray = require('./_cloneTypedArray'),
+    copyArray = require('./_copyArray'),
+    initCloneObject = require('./_initCloneObject'),
+    isArguments = require('./isArguments'),
+    isArray = require('./isArray'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    isBuffer = require('./isBuffer'),
+    isFunction = require('./isFunction'),
+    isObject = require('./isObject'),
+    isPlainObject = require('./isPlainObject'),
+    isTypedArray = require('./isTypedArray'),
+    safeGet = require('./_safeGet'),
+    toPlainObject = require('./toPlainObject');
+
+/**
+ * A specialized version of `baseMerge` for arrays and objects which performs
+ * deep merges and tracks traversed objects enabling objects with circular
+ * references to be merged.
+ *
+ * @private
+ * @param {Object} object The destination object.
+ * @param {Object} source The source object.
+ * @param {string} key The key of the value to merge.
+ * @param {number} srcIndex The index of `source`.
+ * @param {Function} mergeFunc The function to merge values.
+ * @param {Function} [customizer] The function to customize assigned values.
+ * @param {Object} [stack] Tracks traversed source values and their merged
+ *  counterparts.
+ */
+function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+  var objValue = safeGet(object, key),
+      srcValue = safeGet(source, key),
+      stacked = stack.get(srcValue);
+
+  if (stacked) {
+    assignMergeValue(object, key, stacked);
+    return;
+  }
+  var newValue = customizer
+    ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+    : undefined;
+
+  var isCommon = newValue === undefined;
+
+  if (isCommon) {
+    var isArr = isArray(srcValue),
+        isBuff = !isArr && isBuffer(srcValue),
+        isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+
+    newValue = srcValue;
+    if (isArr || isBuff || isTyped) {
+      if (isArray(objValue)) {
+        newValue = objValue;
+      }
+      else if (isArrayLikeObject(objValue)) {
+        newValue = copyArray(objValue);
+      }
+      else if (isBuff) {
+        isCommon = false;
+        newValue = cloneBuffer(srcValue, true);
+      }
+      else if (isTyped) {
+        isCommon = false;
+        newValue = cloneTypedArray(srcValue, true);
+      }
+      else {
+        newValue = [];
+      }
+    }
+    else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+      newValue = objValue;
+      if (isArguments(objValue)) {
+        newValue = toPlainObject(objValue);
+      }
+      else if (!isObject(objValue) || isFunction(objValue)) {
+        newValue = initCloneObject(srcValue);
+      }
+    }
+    else {
+      isCommon = false;
+    }
+  }
+  if (isCommon) {
+    // Recursively merge objects and arrays (susceptible to call stack limits).
+    stack.set(srcValue, newValue);
+    mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+    stack['delete'](srcValue);
+  }
+  assignMergeValue(object, key, newValue);
+}
+
+module.exports = baseMergeDeep;
diff --git a/web/public/node_modules/lodash/_baseNth.js b/web/public/node_modules/lodash/_baseNth.js
new file mode 100644
index 000000000..0403c2a36
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseNth.js
@@ -0,0 +1,20 @@
+var isIndex = require('./_isIndex');
+
+/**
+ * The base implementation of `_.nth` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {Array} array The array to query.
+ * @param {number} n The index of the element to return.
+ * @returns {*} Returns the nth element of `array`.
+ */
+function baseNth(array, n) {
+  var length = array.length;
+  if (!length) {
+    return;
+  }
+  n += n < 0 ? length : 0;
+  return isIndex(n, length) ? array[n] : undefined;
+}
+
+module.exports = baseNth;
diff --git a/web/public/node_modules/lodash/_baseOrderBy.js b/web/public/node_modules/lodash/_baseOrderBy.js
new file mode 100644
index 000000000..775a01741
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseOrderBy.js
@@ -0,0 +1,49 @@
+var arrayMap = require('./_arrayMap'),
+    baseGet = require('./_baseGet'),
+    baseIteratee = require('./_baseIteratee'),
+    baseMap = require('./_baseMap'),
+    baseSortBy = require('./_baseSortBy'),
+    baseUnary = require('./_baseUnary'),
+    compareMultiple = require('./_compareMultiple'),
+    identity = require('./identity'),
+    isArray = require('./isArray');
+
+/**
+ * The base implementation of `_.orderBy` without param guards.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+ * @param {string[]} orders The sort orders of `iteratees`.
+ * @returns {Array} Returns the new sorted array.
+ */
+function baseOrderBy(collection, iteratees, orders) {
+  if (iteratees.length) {
+    iteratees = arrayMap(iteratees, function(iteratee) {
+      if (isArray(iteratee)) {
+        return function(value) {
+          return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
+        }
+      }
+      return iteratee;
+    });
+  } else {
+    iteratees = [identity];
+  }
+
+  var index = -1;
+  iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
+
+  var result = baseMap(collection, function(value, key, collection) {
+    var criteria = arrayMap(iteratees, function(iteratee) {
+      return iteratee(value);
+    });
+    return { 'criteria': criteria, 'index': ++index, 'value': value };
+  });
+
+  return baseSortBy(result, function(object, other) {
+    return compareMultiple(object, other, orders);
+  });
+}
+
+module.exports = baseOrderBy;
diff --git a/web/public/node_modules/lodash/_basePick.js b/web/public/node_modules/lodash/_basePick.js
new file mode 100644
index 000000000..09b458a60
--- /dev/null
+++ b/web/public/node_modules/lodash/_basePick.js
@@ -0,0 +1,19 @@
+var basePickBy = require('./_basePickBy'),
+    hasIn = require('./hasIn');
+
+/**
+ * The base implementation of `_.pick` without support for individual
+ * property identifiers.
+ *
+ * @private
+ * @param {Object} object The source object.
+ * @param {string[]} paths The property paths to pick.
+ * @returns {Object} Returns the new object.
+ */
+function basePick(object, paths) {
+  return basePickBy(object, paths, function(value, path) {
+    return hasIn(object, path);
+  });
+}
+
+module.exports = basePick;
diff --git a/web/public/node_modules/lodash/_basePickBy.js b/web/public/node_modules/lodash/_basePickBy.js
new file mode 100644
index 000000000..85be68c84
--- /dev/null
+++ b/web/public/node_modules/lodash/_basePickBy.js
@@ -0,0 +1,30 @@
+var baseGet = require('./_baseGet'),
+    baseSet = require('./_baseSet'),
+    castPath = require('./_castPath');
+
+/**
+ * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The source object.
+ * @param {string[]} paths The property paths to pick.
+ * @param {Function} predicate The function invoked per property.
+ * @returns {Object} Returns the new object.
+ */
+function basePickBy(object, paths, predicate) {
+  var index = -1,
+      length = paths.length,
+      result = {};
+
+  while (++index < length) {
+    var path = paths[index],
+        value = baseGet(object, path);
+
+    if (predicate(value, path)) {
+      baseSet(result, castPath(path, object), value);
+    }
+  }
+  return result;
+}
+
+module.exports = basePickBy;
diff --git a/web/public/node_modules/lodash/_baseProperty.js b/web/public/node_modules/lodash/_baseProperty.js
new file mode 100644
index 000000000..496281ec4
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseProperty.js
@@ -0,0 +1,14 @@
+/**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function baseProperty(key) {
+  return function(object) {
+    return object == null ? undefined : object[key];
+  };
+}
+
+module.exports = baseProperty;
diff --git a/web/public/node_modules/lodash/_basePropertyDeep.js b/web/public/node_modules/lodash/_basePropertyDeep.js
new file mode 100644
index 000000000..1e5aae50c
--- /dev/null
+++ b/web/public/node_modules/lodash/_basePropertyDeep.js
@@ -0,0 +1,16 @@
+var baseGet = require('./_baseGet');
+
+/**
+ * A specialized version of `baseProperty` which supports deep paths.
+ *
+ * @private
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function basePropertyDeep(path) {
+  return function(object) {
+    return baseGet(object, path);
+  };
+}
+
+module.exports = basePropertyDeep;
diff --git a/web/public/node_modules/lodash/_basePropertyOf.js b/web/public/node_modules/lodash/_basePropertyOf.js
new file mode 100644
index 000000000..461739990
--- /dev/null
+++ b/web/public/node_modules/lodash/_basePropertyOf.js
@@ -0,0 +1,14 @@
+/**
+ * The base implementation of `_.propertyOf` without support for deep paths.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Function} Returns the new accessor function.
+ */
+function basePropertyOf(object) {
+  return function(key) {
+    return object == null ? undefined : object[key];
+  };
+}
+
+module.exports = basePropertyOf;
diff --git a/web/public/node_modules/lodash/_basePullAll.js b/web/public/node_modules/lodash/_basePullAll.js
new file mode 100644
index 000000000..305720ede
--- /dev/null
+++ b/web/public/node_modules/lodash/_basePullAll.js
@@ -0,0 +1,51 @@
+var arrayMap = require('./_arrayMap'),
+    baseIndexOf = require('./_baseIndexOf'),
+    baseIndexOfWith = require('./_baseIndexOfWith'),
+    baseUnary = require('./_baseUnary'),
+    copyArray = require('./_copyArray');
+
+/** Used for built-in method references. */
+var arrayProto = Array.prototype;
+
+/** Built-in value references. */
+var splice = arrayProto.splice;
+
+/**
+ * The base implementation of `_.pullAllBy` without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} array The array to modify.
+ * @param {Array} values The values to remove.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns `array`.
+ */
+function basePullAll(array, values, iteratee, comparator) {
+  var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
+      index = -1,
+      length = values.length,
+      seen = array;
+
+  if (array === values) {
+    values = copyArray(values);
+  }
+  if (iteratee) {
+    seen = arrayMap(array, baseUnary(iteratee));
+  }
+  while (++index < length) {
+    var fromIndex = 0,
+        value = values[index],
+        computed = iteratee ? iteratee(value) : value;
+
+    while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
+      if (seen !== array) {
+        splice.call(seen, fromIndex, 1);
+      }
+      splice.call(array, fromIndex, 1);
+    }
+  }
+  return array;
+}
+
+module.exports = basePullAll;
diff --git a/web/public/node_modules/lodash/_basePullAt.js b/web/public/node_modules/lodash/_basePullAt.js
new file mode 100644
index 000000000..c3e9e7102
--- /dev/null
+++ b/web/public/node_modules/lodash/_basePullAt.js
@@ -0,0 +1,37 @@
+var baseUnset = require('./_baseUnset'),
+    isIndex = require('./_isIndex');
+
+/** Used for built-in method references. */
+var arrayProto = Array.prototype;
+
+/** Built-in value references. */
+var splice = arrayProto.splice;
+
+/**
+ * The base implementation of `_.pullAt` without support for individual
+ * indexes or capturing the removed elements.
+ *
+ * @private
+ * @param {Array} array The array to modify.
+ * @param {number[]} indexes The indexes of elements to remove.
+ * @returns {Array} Returns `array`.
+ */
+function basePullAt(array, indexes) {
+  var length = array ? indexes.length : 0,
+      lastIndex = length - 1;
+
+  while (length--) {
+    var index = indexes[length];
+    if (length == lastIndex || index !== previous) {
+      var previous = index;
+      if (isIndex(index)) {
+        splice.call(array, index, 1);
+      } else {
+        baseUnset(array, index);
+      }
+    }
+  }
+  return array;
+}
+
+module.exports = basePullAt;
diff --git a/web/public/node_modules/lodash/_baseRandom.js b/web/public/node_modules/lodash/_baseRandom.js
new file mode 100644
index 000000000..94f76a766
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseRandom.js
@@ -0,0 +1,18 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeFloor = Math.floor,
+    nativeRandom = Math.random;
+
+/**
+ * The base implementation of `_.random` without support for returning
+ * floating-point numbers.
+ *
+ * @private
+ * @param {number} lower The lower bound.
+ * @param {number} upper The upper bound.
+ * @returns {number} Returns the random number.
+ */
+function baseRandom(lower, upper) {
+  return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
+}
+
+module.exports = baseRandom;
diff --git a/web/public/node_modules/lodash/_baseRange.js b/web/public/node_modules/lodash/_baseRange.js
new file mode 100644
index 000000000..0fb8e419f
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseRange.js
@@ -0,0 +1,28 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil,
+    nativeMax = Math.max;
+
+/**
+ * The base implementation of `_.range` and `_.rangeRight` which doesn't
+ * coerce arguments.
+ *
+ * @private
+ * @param {number} start The start of the range.
+ * @param {number} end The end of the range.
+ * @param {number} step The value to increment or decrement by.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Array} Returns the range of numbers.
+ */
+function baseRange(start, end, step, fromRight) {
+  var index = -1,
+      length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
+      result = Array(length);
+
+  while (length--) {
+    result[fromRight ? length : ++index] = start;
+    start += step;
+  }
+  return result;
+}
+
+module.exports = baseRange;
diff --git a/web/public/node_modules/lodash/_baseReduce.js b/web/public/node_modules/lodash/_baseReduce.js
new file mode 100644
index 000000000..5a1f8b57f
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseReduce.js
@@ -0,0 +1,23 @@
+/**
+ * The base implementation of `_.reduce` and `_.reduceRight`, without support
+ * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {*} accumulator The initial value.
+ * @param {boolean} initAccum Specify using the first or last element of
+ *  `collection` as the initial value.
+ * @param {Function} eachFunc The function to iterate over `collection`.
+ * @returns {*} Returns the accumulated value.
+ */
+function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+  eachFunc(collection, function(value, index, collection) {
+    accumulator = initAccum
+      ? (initAccum = false, value)
+      : iteratee(accumulator, value, index, collection);
+  });
+  return accumulator;
+}
+
+module.exports = baseReduce;
diff --git a/web/public/node_modules/lodash/_baseRepeat.js b/web/public/node_modules/lodash/_baseRepeat.js
new file mode 100644
index 000000000..ee44c31ab
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseRepeat.js
@@ -0,0 +1,35 @@
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeFloor = Math.floor;
+
+/**
+ * The base implementation of `_.repeat` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {string} string The string to repeat.
+ * @param {number} n The number of times to repeat the string.
+ * @returns {string} Returns the repeated string.
+ */
+function baseRepeat(string, n) {
+  var result = '';
+  if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
+    return result;
+  }
+  // Leverage the exponentiation by squaring algorithm for a faster repeat.
+  // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+  do {
+    if (n % 2) {
+      result += string;
+    }
+    n = nativeFloor(n / 2);
+    if (n) {
+      string += string;
+    }
+  } while (n);
+
+  return result;
+}
+
+module.exports = baseRepeat;
diff --git a/web/public/node_modules/lodash/_baseRest.js b/web/public/node_modules/lodash/_baseRest.js
new file mode 100644
index 000000000..d0dc4bdd1
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseRest.js
@@ -0,0 +1,17 @@
+var identity = require('./identity'),
+    overRest = require('./_overRest'),
+    setToString = require('./_setToString');
+
+/**
+ * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+ *
+ * @private
+ * @param {Function} func The function to apply a rest parameter to.
+ * @param {number} [start=func.length-1] The start position of the rest parameter.
+ * @returns {Function} Returns the new function.
+ */
+function baseRest(func, start) {
+  return setToString(overRest(func, start, identity), func + '');
+}
+
+module.exports = baseRest;
diff --git a/web/public/node_modules/lodash/_baseSample.js b/web/public/node_modules/lodash/_baseSample.js
new file mode 100644
index 000000000..58582b911
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSample.js
@@ -0,0 +1,15 @@
+var arraySample = require('./_arraySample'),
+    values = require('./values');
+
+/**
+ * The base implementation of `_.sample`.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to sample.
+ * @returns {*} Returns the random element.
+ */
+function baseSample(collection) {
+  return arraySample(values(collection));
+}
+
+module.exports = baseSample;
diff --git a/web/public/node_modules/lodash/_baseSampleSize.js b/web/public/node_modules/lodash/_baseSampleSize.js
new file mode 100644
index 000000000..5c90ec518
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSampleSize.js
@@ -0,0 +1,18 @@
+var baseClamp = require('./_baseClamp'),
+    shuffleSelf = require('./_shuffleSelf'),
+    values = require('./values');
+
+/**
+ * The base implementation of `_.sampleSize` without param guards.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to sample.
+ * @param {number} n The number of elements to sample.
+ * @returns {Array} Returns the random elements.
+ */
+function baseSampleSize(collection, n) {
+  var array = values(collection);
+  return shuffleSelf(array, baseClamp(n, 0, array.length));
+}
+
+module.exports = baseSampleSize;
diff --git a/web/public/node_modules/lodash/_baseSet.js b/web/public/node_modules/lodash/_baseSet.js
new file mode 100644
index 000000000..99f4fbf9c
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSet.js
@@ -0,0 +1,51 @@
+var assignValue = require('./_assignValue'),
+    castPath = require('./_castPath'),
+    isIndex = require('./_isIndex'),
+    isObject = require('./isObject'),
+    toKey = require('./_toKey');
+
+/**
+ * The base implementation of `_.set`.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {*} value The value to set.
+ * @param {Function} [customizer] The function to customize path creation.
+ * @returns {Object} Returns `object`.
+ */
+function baseSet(object, path, value, customizer) {
+  if (!isObject(object)) {
+    return object;
+  }
+  path = castPath(path, object);
+
+  var index = -1,
+      length = path.length,
+      lastIndex = length - 1,
+      nested = object;
+
+  while (nested != null && ++index < length) {
+    var key = toKey(path[index]),
+        newValue = value;
+
+    if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
+      return object;
+    }
+
+    if (index != lastIndex) {
+      var objValue = nested[key];
+      newValue = customizer ? customizer(objValue, key, nested) : undefined;
+      if (newValue === undefined) {
+        newValue = isObject(objValue)
+          ? objValue
+          : (isIndex(path[index + 1]) ? [] : {});
+      }
+    }
+    assignValue(nested, key, newValue);
+    nested = nested[key];
+  }
+  return object;
+}
+
+module.exports = baseSet;
diff --git a/web/public/node_modules/lodash/_baseSetData.js b/web/public/node_modules/lodash/_baseSetData.js
new file mode 100644
index 000000000..c409947dd
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSetData.js
@@ -0,0 +1,17 @@
+var identity = require('./identity'),
+    metaMap = require('./_metaMap');
+
+/**
+ * The base implementation of `setData` without support for hot loop shorting.
+ *
+ * @private
+ * @param {Function} func The function to associate metadata with.
+ * @param {*} data The metadata.
+ * @returns {Function} Returns `func`.
+ */
+var baseSetData = !metaMap ? identity : function(func, data) {
+  metaMap.set(func, data);
+  return func;
+};
+
+module.exports = baseSetData;
diff --git a/web/public/node_modules/lodash/_baseSetToString.js b/web/public/node_modules/lodash/_baseSetToString.js
new file mode 100644
index 000000000..89eaca38d
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSetToString.js
@@ -0,0 +1,22 @@
+var constant = require('./constant'),
+    defineProperty = require('./_defineProperty'),
+    identity = require('./identity');
+
+/**
+ * The base implementation of `setToString` without support for hot loop shorting.
+ *
+ * @private
+ * @param {Function} func The function to modify.
+ * @param {Function} string The `toString` result.
+ * @returns {Function} Returns `func`.
+ */
+var baseSetToString = !defineProperty ? identity : function(func, string) {
+  return defineProperty(func, 'toString', {
+    'configurable': true,
+    'enumerable': false,
+    'value': constant(string),
+    'writable': true
+  });
+};
+
+module.exports = baseSetToString;
diff --git a/web/public/node_modules/lodash/_baseShuffle.js b/web/public/node_modules/lodash/_baseShuffle.js
new file mode 100644
index 000000000..023077ac4
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseShuffle.js
@@ -0,0 +1,15 @@
+var shuffleSelf = require('./_shuffleSelf'),
+    values = require('./values');
+
+/**
+ * The base implementation of `_.shuffle`.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to shuffle.
+ * @returns {Array} Returns the new shuffled array.
+ */
+function baseShuffle(collection) {
+  return shuffleSelf(values(collection));
+}
+
+module.exports = baseShuffle;
diff --git a/web/public/node_modules/lodash/_baseSlice.js b/web/public/node_modules/lodash/_baseSlice.js
new file mode 100644
index 000000000..786f6c99e
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSlice.js
@@ -0,0 +1,31 @@
+/**
+ * The base implementation of `_.slice` without an iteratee call guard.
+ *
+ * @private
+ * @param {Array} array The array to slice.
+ * @param {number} [start=0] The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns the slice of `array`.
+ */
+function baseSlice(array, start, end) {
+  var index = -1,
+      length = array.length;
+
+  if (start < 0) {
+    start = -start > length ? 0 : (length + start);
+  }
+  end = end > length ? length : end;
+  if (end < 0) {
+    end += length;
+  }
+  length = start > end ? 0 : ((end - start) >>> 0);
+  start >>>= 0;
+
+  var result = Array(length);
+  while (++index < length) {
+    result[index] = array[index + start];
+  }
+  return result;
+}
+
+module.exports = baseSlice;
diff --git a/web/public/node_modules/lodash/_baseSome.js b/web/public/node_modules/lodash/_baseSome.js
new file mode 100644
index 000000000..58f3f447a
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSome.js
@@ -0,0 +1,22 @@
+var baseEach = require('./_baseEach');
+
+/**
+ * The base implementation of `_.some` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {boolean} Returns `true` if any element passes the predicate check,
+ *  else `false`.
+ */
+function baseSome(collection, predicate) {
+  var result;
+
+  baseEach(collection, function(value, index, collection) {
+    result = predicate(value, index, collection);
+    return !result;
+  });
+  return !!result;
+}
+
+module.exports = baseSome;
diff --git a/web/public/node_modules/lodash/_baseSortBy.js b/web/public/node_modules/lodash/_baseSortBy.js
new file mode 100644
index 000000000..a25c92eda
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSortBy.js
@@ -0,0 +1,21 @@
+/**
+ * The base implementation of `_.sortBy` which uses `comparer` to define the
+ * sort order of `array` and replaces criteria objects with their corresponding
+ * values.
+ *
+ * @private
+ * @param {Array} array The array to sort.
+ * @param {Function} comparer The function to define sort order.
+ * @returns {Array} Returns `array`.
+ */
+function baseSortBy(array, comparer) {
+  var length = array.length;
+
+  array.sort(comparer);
+  while (length--) {
+    array[length] = array[length].value;
+  }
+  return array;
+}
+
+module.exports = baseSortBy;
diff --git a/web/public/node_modules/lodash/_baseSortedIndex.js b/web/public/node_modules/lodash/_baseSortedIndex.js
new file mode 100644
index 000000000..638c366c7
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSortedIndex.js
@@ -0,0 +1,42 @@
+var baseSortedIndexBy = require('./_baseSortedIndexBy'),
+    identity = require('./identity'),
+    isSymbol = require('./isSymbol');
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295,
+    HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+
+/**
+ * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
+ * performs a binary search of `array` to determine the index at which `value`
+ * should be inserted into `array` in order to maintain its sort order.
+ *
+ * @private
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @param {boolean} [retHighest] Specify returning the highest qualified index.
+ * @returns {number} Returns the index at which `value` should be inserted
+ *  into `array`.
+ */
+function baseSortedIndex(array, value, retHighest) {
+  var low = 0,
+      high = array == null ? low : array.length;
+
+  if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+    while (low < high) {
+      var mid = (low + high) >>> 1,
+          computed = array[mid];
+
+      if (computed !== null && !isSymbol(computed) &&
+          (retHighest ? (computed <= value) : (computed < value))) {
+        low = mid + 1;
+      } else {
+        high = mid;
+      }
+    }
+    return high;
+  }
+  return baseSortedIndexBy(array, value, identity, retHighest);
+}
+
+module.exports = baseSortedIndex;
diff --git a/web/public/node_modules/lodash/_baseSortedIndexBy.js b/web/public/node_modules/lodash/_baseSortedIndexBy.js
new file mode 100644
index 000000000..c247b377f
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSortedIndexBy.js
@@ -0,0 +1,67 @@
+var isSymbol = require('./isSymbol');
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295,
+    MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeFloor = Math.floor,
+    nativeMin = Math.min;
+
+/**
+ * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
+ * which invokes `iteratee` for `value` and each element of `array` to compute
+ * their sort ranking. The iteratee is invoked with one argument; (value).
+ *
+ * @private
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @param {Function} iteratee The iteratee invoked per element.
+ * @param {boolean} [retHighest] Specify returning the highest qualified index.
+ * @returns {number} Returns the index at which `value` should be inserted
+ *  into `array`.
+ */
+function baseSortedIndexBy(array, value, iteratee, retHighest) {
+  var low = 0,
+      high = array == null ? 0 : array.length;
+  if (high === 0) {
+    return 0;
+  }
+
+  value = iteratee(value);
+  var valIsNaN = value !== value,
+      valIsNull = value === null,
+      valIsSymbol = isSymbol(value),
+      valIsUndefined = value === undefined;
+
+  while (low < high) {
+    var mid = nativeFloor((low + high) / 2),
+        computed = iteratee(array[mid]),
+        othIsDefined = computed !== undefined,
+        othIsNull = computed === null,
+        othIsReflexive = computed === computed,
+        othIsSymbol = isSymbol(computed);
+
+    if (valIsNaN) {
+      var setLow = retHighest || othIsReflexive;
+    } else if (valIsUndefined) {
+      setLow = othIsReflexive && (retHighest || othIsDefined);
+    } else if (valIsNull) {
+      setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
+    } else if (valIsSymbol) {
+      setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
+    } else if (othIsNull || othIsSymbol) {
+      setLow = false;
+    } else {
+      setLow = retHighest ? (computed <= value) : (computed < value);
+    }
+    if (setLow) {
+      low = mid + 1;
+    } else {
+      high = mid;
+    }
+  }
+  return nativeMin(high, MAX_ARRAY_INDEX);
+}
+
+module.exports = baseSortedIndexBy;
diff --git a/web/public/node_modules/lodash/_baseSortedUniq.js b/web/public/node_modules/lodash/_baseSortedUniq.js
new file mode 100644
index 000000000..802159a3d
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSortedUniq.js
@@ -0,0 +1,30 @@
+var eq = require('./eq');
+
+/**
+ * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
+ * support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @returns {Array} Returns the new duplicate free array.
+ */
+function baseSortedUniq(array, iteratee) {
+  var index = -1,
+      length = array.length,
+      resIndex = 0,
+      result = [];
+
+  while (++index < length) {
+    var value = array[index],
+        computed = iteratee ? iteratee(value) : value;
+
+    if (!index || !eq(computed, seen)) {
+      var seen = computed;
+      result[resIndex++] = value === 0 ? 0 : value;
+    }
+  }
+  return result;
+}
+
+module.exports = baseSortedUniq;
diff --git a/web/public/node_modules/lodash/_baseSum.js b/web/public/node_modules/lodash/_baseSum.js
new file mode 100644
index 000000000..a9e84c13c
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseSum.js
@@ -0,0 +1,24 @@
+/**
+ * The base implementation of `_.sum` and `_.sumBy` without support for
+ * iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {number} Returns the sum.
+ */
+function baseSum(array, iteratee) {
+  var result,
+      index = -1,
+      length = array.length;
+
+  while (++index < length) {
+    var current = iteratee(array[index]);
+    if (current !== undefined) {
+      result = result === undefined ? current : (result + current);
+    }
+  }
+  return result;
+}
+
+module.exports = baseSum;
diff --git a/web/public/node_modules/lodash/_baseTimes.js b/web/public/node_modules/lodash/_baseTimes.js
new file mode 100644
index 000000000..0603fc37e
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseTimes.js
@@ -0,0 +1,20 @@
+/**
+ * The base implementation of `_.times` without support for iteratee shorthands
+ * or max array length checks.
+ *
+ * @private
+ * @param {number} n The number of times to invoke `iteratee`.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the array of results.
+ */
+function baseTimes(n, iteratee) {
+  var index = -1,
+      result = Array(n);
+
+  while (++index < n) {
+    result[index] = iteratee(index);
+  }
+  return result;
+}
+
+module.exports = baseTimes;
diff --git a/web/public/node_modules/lodash/_baseToNumber.js b/web/public/node_modules/lodash/_baseToNumber.js
new file mode 100644
index 000000000..04859f391
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseToNumber.js
@@ -0,0 +1,24 @@
+var isSymbol = require('./isSymbol');
+
+/** Used as references for various `Number` constants. */
+var NAN = 0 / 0;
+
+/**
+ * The base implementation of `_.toNumber` which doesn't ensure correct
+ * conversions of binary, hexadecimal, or octal string values.
+ *
+ * @private
+ * @param {*} value The value to process.
+ * @returns {number} Returns the number.
+ */
+function baseToNumber(value) {
+  if (typeof value == 'number') {
+    return value;
+  }
+  if (isSymbol(value)) {
+    return NAN;
+  }
+  return +value;
+}
+
+module.exports = baseToNumber;
diff --git a/web/public/node_modules/lodash/_baseToPairs.js b/web/public/node_modules/lodash/_baseToPairs.js
new file mode 100644
index 000000000..bff199128
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseToPairs.js
@@ -0,0 +1,18 @@
+var arrayMap = require('./_arrayMap');
+
+/**
+ * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
+ * of key-value pairs for `object` corresponding to the property names of `props`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array} props The property names to get values for.
+ * @returns {Object} Returns the key-value pairs.
+ */
+function baseToPairs(object, props) {
+  return arrayMap(props, function(key) {
+    return [key, object[key]];
+  });
+}
+
+module.exports = baseToPairs;
diff --git a/web/public/node_modules/lodash/_baseToString.js b/web/public/node_modules/lodash/_baseToString.js
new file mode 100644
index 000000000..ada6ad298
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseToString.js
@@ -0,0 +1,37 @@
+var Symbol = require('./_Symbol'),
+    arrayMap = require('./_arrayMap'),
+    isArray = require('./isArray'),
+    isSymbol = require('./isSymbol');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = Symbol ? Symbol.prototype : undefined,
+    symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+/**
+ * The base implementation of `_.toString` which doesn't convert nullish
+ * values to empty strings.
+ *
+ * @private
+ * @param {*} value The value to process.
+ * @returns {string} Returns the string.
+ */
+function baseToString(value) {
+  // Exit early for strings to avoid a performance hit in some environments.
+  if (typeof value == 'string') {
+    return value;
+  }
+  if (isArray(value)) {
+    // Recursively convert values (susceptible to call stack limits).
+    return arrayMap(value, baseToString) + '';
+  }
+  if (isSymbol(value)) {
+    return symbolToString ? symbolToString.call(value) : '';
+  }
+  var result = (value + '');
+  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+module.exports = baseToString;
diff --git a/web/public/node_modules/lodash/_baseTrim.js b/web/public/node_modules/lodash/_baseTrim.js
new file mode 100644
index 000000000..3e2797d99
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseTrim.js
@@ -0,0 +1,19 @@
+var trimmedEndIndex = require('./_trimmedEndIndex');
+
+/** Used to match leading whitespace. */
+var reTrimStart = /^\s+/;
+
+/**
+ * The base implementation of `_.trim`.
+ *
+ * @private
+ * @param {string} string The string to trim.
+ * @returns {string} Returns the trimmed string.
+ */
+function baseTrim(string) {
+  return string
+    ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')
+    : string;
+}
+
+module.exports = baseTrim;
diff --git a/web/public/node_modules/lodash/_baseUnary.js b/web/public/node_modules/lodash/_baseUnary.js
new file mode 100644
index 000000000..98639e92f
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseUnary.js
@@ -0,0 +1,14 @@
+/**
+ * The base implementation of `_.unary` without support for storing metadata.
+ *
+ * @private
+ * @param {Function} func The function to cap arguments for.
+ * @returns {Function} Returns the new capped function.
+ */
+function baseUnary(func) {
+  return function(value) {
+    return func(value);
+  };
+}
+
+module.exports = baseUnary;
diff --git a/web/public/node_modules/lodash/_baseUniq.js b/web/public/node_modules/lodash/_baseUniq.js
new file mode 100644
index 000000000..aea459dc7
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseUniq.js
@@ -0,0 +1,72 @@
+var SetCache = require('./_SetCache'),
+    arrayIncludes = require('./_arrayIncludes'),
+    arrayIncludesWith = require('./_arrayIncludesWith'),
+    cacheHas = require('./_cacheHas'),
+    createSet = require('./_createSet'),
+    setToArray = require('./_setToArray');
+
+/** Used as the size to enable large array optimizations. */
+var LARGE_ARRAY_SIZE = 200;
+
+/**
+ * The base implementation of `_.uniqBy` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new duplicate free array.
+ */
+function baseUniq(array, iteratee, comparator) {
+  var index = -1,
+      includes = arrayIncludes,
+      length = array.length,
+      isCommon = true,
+      result = [],
+      seen = result;
+
+  if (comparator) {
+    isCommon = false;
+    includes = arrayIncludesWith;
+  }
+  else if (length >= LARGE_ARRAY_SIZE) {
+    var set = iteratee ? null : createSet(array);
+    if (set) {
+      return setToArray(set);
+    }
+    isCommon = false;
+    includes = cacheHas;
+    seen = new SetCache;
+  }
+  else {
+    seen = iteratee ? [] : result;
+  }
+  outer:
+  while (++index < length) {
+    var value = array[index],
+        computed = iteratee ? iteratee(value) : value;
+
+    value = (comparator || value !== 0) ? value : 0;
+    if (isCommon && computed === computed) {
+      var seenIndex = seen.length;
+      while (seenIndex--) {
+        if (seen[seenIndex] === computed) {
+          continue outer;
+        }
+      }
+      if (iteratee) {
+        seen.push(computed);
+      }
+      result.push(value);
+    }
+    else if (!includes(seen, computed, comparator)) {
+      if (seen !== result) {
+        seen.push(computed);
+      }
+      result.push(value);
+    }
+  }
+  return result;
+}
+
+module.exports = baseUniq;
diff --git a/web/public/node_modules/lodash/_baseUnset.js b/web/public/node_modules/lodash/_baseUnset.js
new file mode 100644
index 000000000..eefc6e37d
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseUnset.js
@@ -0,0 +1,20 @@
+var castPath = require('./_castPath'),
+    last = require('./last'),
+    parent = require('./_parent'),
+    toKey = require('./_toKey');
+
+/**
+ * The base implementation of `_.unset`.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The property path to unset.
+ * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+ */
+function baseUnset(object, path) {
+  path = castPath(path, object);
+  object = parent(object, path);
+  return object == null || delete object[toKey(last(path))];
+}
+
+module.exports = baseUnset;
diff --git a/web/public/node_modules/lodash/_baseUpdate.js b/web/public/node_modules/lodash/_baseUpdate.js
new file mode 100644
index 000000000..92a623777
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseUpdate.js
@@ -0,0 +1,18 @@
+var baseGet = require('./_baseGet'),
+    baseSet = require('./_baseSet');
+
+/**
+ * The base implementation of `_.update`.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to update.
+ * @param {Function} updater The function to produce the updated value.
+ * @param {Function} [customizer] The function to customize path creation.
+ * @returns {Object} Returns `object`.
+ */
+function baseUpdate(object, path, updater, customizer) {
+  return baseSet(object, path, updater(baseGet(object, path)), customizer);
+}
+
+module.exports = baseUpdate;
diff --git a/web/public/node_modules/lodash/_baseValues.js b/web/public/node_modules/lodash/_baseValues.js
new file mode 100644
index 000000000..b95faadcf
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseValues.js
@@ -0,0 +1,19 @@
+var arrayMap = require('./_arrayMap');
+
+/**
+ * The base implementation of `_.values` and `_.valuesIn` which creates an
+ * array of `object` property values corresponding to the property names
+ * of `props`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array} props The property names to get values for.
+ * @returns {Object} Returns the array of property values.
+ */
+function baseValues(object, props) {
+  return arrayMap(props, function(key) {
+    return object[key];
+  });
+}
+
+module.exports = baseValues;
diff --git a/web/public/node_modules/lodash/_baseWhile.js b/web/public/node_modules/lodash/_baseWhile.js
new file mode 100644
index 000000000..07eac61b9
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseWhile.js
@@ -0,0 +1,26 @@
+var baseSlice = require('./_baseSlice');
+
+/**
+ * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
+ * without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array} array The array to query.
+ * @param {Function} predicate The function invoked per iteration.
+ * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Array} Returns the slice of `array`.
+ */
+function baseWhile(array, predicate, isDrop, fromRight) {
+  var length = array.length,
+      index = fromRight ? length : -1;
+
+  while ((fromRight ? index-- : ++index < length) &&
+    predicate(array[index], index, array)) {}
+
+  return isDrop
+    ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
+    : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
+}
+
+module.exports = baseWhile;
diff --git a/web/public/node_modules/lodash/_baseWrapperValue.js b/web/public/node_modules/lodash/_baseWrapperValue.js
new file mode 100644
index 000000000..443e0df5e
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseWrapperValue.js
@@ -0,0 +1,25 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    arrayPush = require('./_arrayPush'),
+    arrayReduce = require('./_arrayReduce');
+
+/**
+ * The base implementation of `wrapperValue` which returns the result of
+ * performing a sequence of actions on the unwrapped `value`, where each
+ * successive action is supplied the return value of the previous.
+ *
+ * @private
+ * @param {*} value The unwrapped value.
+ * @param {Array} actions Actions to perform to resolve the unwrapped value.
+ * @returns {*} Returns the resolved value.
+ */
+function baseWrapperValue(value, actions) {
+  var result = value;
+  if (result instanceof LazyWrapper) {
+    result = result.value();
+  }
+  return arrayReduce(actions, function(result, action) {
+    return action.func.apply(action.thisArg, arrayPush([result], action.args));
+  }, result);
+}
+
+module.exports = baseWrapperValue;
diff --git a/web/public/node_modules/lodash/_baseXor.js b/web/public/node_modules/lodash/_baseXor.js
new file mode 100644
index 000000000..8e69338bf
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseXor.js
@@ -0,0 +1,36 @@
+var baseDifference = require('./_baseDifference'),
+    baseFlatten = require('./_baseFlatten'),
+    baseUniq = require('./_baseUniq');
+
+/**
+ * The base implementation of methods like `_.xor`, without support for
+ * iteratee shorthands, that accepts an array of arrays to inspect.
+ *
+ * @private
+ * @param {Array} arrays The arrays to inspect.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of values.
+ */
+function baseXor(arrays, iteratee, comparator) {
+  var length = arrays.length;
+  if (length < 2) {
+    return length ? baseUniq(arrays[0]) : [];
+  }
+  var index = -1,
+      result = Array(length);
+
+  while (++index < length) {
+    var array = arrays[index],
+        othIndex = -1;
+
+    while (++othIndex < length) {
+      if (othIndex != index) {
+        result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
+      }
+    }
+  }
+  return baseUniq(baseFlatten(result, 1), iteratee, comparator);
+}
+
+module.exports = baseXor;
diff --git a/web/public/node_modules/lodash/_baseZipObject.js b/web/public/node_modules/lodash/_baseZipObject.js
new file mode 100644
index 000000000..401f85be2
--- /dev/null
+++ b/web/public/node_modules/lodash/_baseZipObject.js
@@ -0,0 +1,23 @@
+/**
+ * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
+ *
+ * @private
+ * @param {Array} props The property identifiers.
+ * @param {Array} values The property values.
+ * @param {Function} assignFunc The function to assign values.
+ * @returns {Object} Returns the new object.
+ */
+function baseZipObject(props, values, assignFunc) {
+  var index = -1,
+      length = props.length,
+      valsLength = values.length,
+      result = {};
+
+  while (++index < length) {
+    var value = index < valsLength ? values[index] : undefined;
+    assignFunc(result, props[index], value);
+  }
+  return result;
+}
+
+module.exports = baseZipObject;
diff --git a/web/public/node_modules/lodash/_cacheHas.js b/web/public/node_modules/lodash/_cacheHas.js
new file mode 100644
index 000000000..2dec89268
--- /dev/null
+++ b/web/public/node_modules/lodash/_cacheHas.js
@@ -0,0 +1,13 @@
+/**
+ * Checks if a `cache` value for `key` exists.
+ *
+ * @private
+ * @param {Object} cache The cache to query.
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function cacheHas(cache, key) {
+  return cache.has(key);
+}
+
+module.exports = cacheHas;
diff --git a/web/public/node_modules/lodash/_castArrayLikeObject.js b/web/public/node_modules/lodash/_castArrayLikeObject.js
new file mode 100644
index 000000000..92c75fa1a
--- /dev/null
+++ b/web/public/node_modules/lodash/_castArrayLikeObject.js
@@ -0,0 +1,14 @@
+var isArrayLikeObject = require('./isArrayLikeObject');
+
+/**
+ * Casts `value` to an empty array if it's not an array like object.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {Array|Object} Returns the cast array-like object.
+ */
+function castArrayLikeObject(value) {
+  return isArrayLikeObject(value) ? value : [];
+}
+
+module.exports = castArrayLikeObject;
diff --git a/web/public/node_modules/lodash/_castFunction.js b/web/public/node_modules/lodash/_castFunction.js
new file mode 100644
index 000000000..98c91ae63
--- /dev/null
+++ b/web/public/node_modules/lodash/_castFunction.js
@@ -0,0 +1,14 @@
+var identity = require('./identity');
+
+/**
+ * Casts `value` to `identity` if it's not a function.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {Function} Returns cast function.
+ */
+function castFunction(value) {
+  return typeof value == 'function' ? value : identity;
+}
+
+module.exports = castFunction;
diff --git a/web/public/node_modules/lodash/_castPath.js b/web/public/node_modules/lodash/_castPath.js
new file mode 100644
index 000000000..017e4c1b4
--- /dev/null
+++ b/web/public/node_modules/lodash/_castPath.js
@@ -0,0 +1,21 @@
+var isArray = require('./isArray'),
+    isKey = require('./_isKey'),
+    stringToPath = require('./_stringToPath'),
+    toString = require('./toString');
+
+/**
+ * Casts `value` to a path array if it's not one.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @param {Object} [object] The object to query keys on.
+ * @returns {Array} Returns the cast property path array.
+ */
+function castPath(value, object) {
+  if (isArray(value)) {
+    return value;
+  }
+  return isKey(value, object) ? [value] : stringToPath(toString(value));
+}
+
+module.exports = castPath;
diff --git a/web/public/node_modules/lodash/_castRest.js b/web/public/node_modules/lodash/_castRest.js
new file mode 100644
index 000000000..213c66f19
--- /dev/null
+++ b/web/public/node_modules/lodash/_castRest.js
@@ -0,0 +1,14 @@
+var baseRest = require('./_baseRest');
+
+/**
+ * A `baseRest` alias which can be replaced with `identity` by module
+ * replacement plugins.
+ *
+ * @private
+ * @type {Function}
+ * @param {Function} func The function to apply a rest parameter to.
+ * @returns {Function} Returns the new function.
+ */
+var castRest = baseRest;
+
+module.exports = castRest;
diff --git a/web/public/node_modules/lodash/_castSlice.js b/web/public/node_modules/lodash/_castSlice.js
new file mode 100644
index 000000000..071faeba5
--- /dev/null
+++ b/web/public/node_modules/lodash/_castSlice.js
@@ -0,0 +1,18 @@
+var baseSlice = require('./_baseSlice');
+
+/**
+ * Casts `array` to a slice if it's needed.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {number} start The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns the cast slice.
+ */
+function castSlice(array, start, end) {
+  var length = array.length;
+  end = end === undefined ? length : end;
+  return (!start && end >= length) ? array : baseSlice(array, start, end);
+}
+
+module.exports = castSlice;
diff --git a/web/public/node_modules/lodash/_charsEndIndex.js b/web/public/node_modules/lodash/_charsEndIndex.js
new file mode 100644
index 000000000..07908ff3a
--- /dev/null
+++ b/web/public/node_modules/lodash/_charsEndIndex.js
@@ -0,0 +1,19 @@
+var baseIndexOf = require('./_baseIndexOf');
+
+/**
+ * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+ * that is not found in the character symbols.
+ *
+ * @private
+ * @param {Array} strSymbols The string symbols to inspect.
+ * @param {Array} chrSymbols The character symbols to find.
+ * @returns {number} Returns the index of the last unmatched string symbol.
+ */
+function charsEndIndex(strSymbols, chrSymbols) {
+  var index = strSymbols.length;
+
+  while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+  return index;
+}
+
+module.exports = charsEndIndex;
diff --git a/web/public/node_modules/lodash/_charsStartIndex.js b/web/public/node_modules/lodash/_charsStartIndex.js
new file mode 100644
index 000000000..b17afd254
--- /dev/null
+++ b/web/public/node_modules/lodash/_charsStartIndex.js
@@ -0,0 +1,20 @@
+var baseIndexOf = require('./_baseIndexOf');
+
+/**
+ * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+ * that is not found in the character symbols.
+ *
+ * @private
+ * @param {Array} strSymbols The string symbols to inspect.
+ * @param {Array} chrSymbols The character symbols to find.
+ * @returns {number} Returns the index of the first unmatched string symbol.
+ */
+function charsStartIndex(strSymbols, chrSymbols) {
+  var index = -1,
+      length = strSymbols.length;
+
+  while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+  return index;
+}
+
+module.exports = charsStartIndex;
diff --git a/web/public/node_modules/lodash/_cloneArrayBuffer.js b/web/public/node_modules/lodash/_cloneArrayBuffer.js
new file mode 100644
index 000000000..c3d8f6e39
--- /dev/null
+++ b/web/public/node_modules/lodash/_cloneArrayBuffer.js
@@ -0,0 +1,16 @@
+var Uint8Array = require('./_Uint8Array');
+
+/**
+ * Creates a clone of `arrayBuffer`.
+ *
+ * @private
+ * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+ * @returns {ArrayBuffer} Returns the cloned array buffer.
+ */
+function cloneArrayBuffer(arrayBuffer) {
+  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+  new Uint8Array(result).set(new Uint8Array(arrayBuffer));
+  return result;
+}
+
+module.exports = cloneArrayBuffer;
diff --git a/web/public/node_modules/lodash/_cloneBuffer.js b/web/public/node_modules/lodash/_cloneBuffer.js
new file mode 100644
index 000000000..27c48109b
--- /dev/null
+++ b/web/public/node_modules/lodash/_cloneBuffer.js
@@ -0,0 +1,35 @@
+var root = require('./_root');
+
+/** Detect free variable `exports`. */
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+/** Detect free variable `module`. */
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+/** Detect the popular CommonJS extension `module.exports`. */
+var moduleExports = freeModule && freeModule.exports === freeExports;
+
+/** Built-in value references. */
+var Buffer = moduleExports ? root.Buffer : undefined,
+    allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
+
+/**
+ * Creates a clone of  `buffer`.
+ *
+ * @private
+ * @param {Buffer} buffer The buffer to clone.
+ * @param {boolean} [isDeep] Specify a deep clone.
+ * @returns {Buffer} Returns the cloned buffer.
+ */
+function cloneBuffer(buffer, isDeep) {
+  if (isDeep) {
+    return buffer.slice();
+  }
+  var length = buffer.length,
+      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+
+  buffer.copy(result);
+  return result;
+}
+
+module.exports = cloneBuffer;
diff --git a/web/public/node_modules/lodash/_cloneDataView.js b/web/public/node_modules/lodash/_cloneDataView.js
new file mode 100644
index 000000000..9c9b7b054
--- /dev/null
+++ b/web/public/node_modules/lodash/_cloneDataView.js
@@ -0,0 +1,16 @@
+var cloneArrayBuffer = require('./_cloneArrayBuffer');
+
+/**
+ * Creates a clone of `dataView`.
+ *
+ * @private
+ * @param {Object} dataView The data view to clone.
+ * @param {boolean} [isDeep] Specify a deep clone.
+ * @returns {Object} Returns the cloned data view.
+ */
+function cloneDataView(dataView, isDeep) {
+  var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
+  return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
+}
+
+module.exports = cloneDataView;
diff --git a/web/public/node_modules/lodash/_cloneRegExp.js b/web/public/node_modules/lodash/_cloneRegExp.js
new file mode 100644
index 000000000..64a30dfb4
--- /dev/null
+++ b/web/public/node_modules/lodash/_cloneRegExp.js
@@ -0,0 +1,17 @@
+/** Used to match `RegExp` flags from their coerced string values. */
+var reFlags = /\w*$/;
+
+/**
+ * Creates a clone of `regexp`.
+ *
+ * @private
+ * @param {Object} regexp The regexp to clone.
+ * @returns {Object} Returns the cloned regexp.
+ */
+function cloneRegExp(regexp) {
+  var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
+  result.lastIndex = regexp.lastIndex;
+  return result;
+}
+
+module.exports = cloneRegExp;
diff --git a/web/public/node_modules/lodash/_cloneSymbol.js b/web/public/node_modules/lodash/_cloneSymbol.js
new file mode 100644
index 000000000..bede39f50
--- /dev/null
+++ b/web/public/node_modules/lodash/_cloneSymbol.js
@@ -0,0 +1,18 @@
+var Symbol = require('./_Symbol');
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = Symbol ? Symbol.prototype : undefined,
+    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;
+
+/**
+ * Creates a clone of the `symbol` object.
+ *
+ * @private
+ * @param {Object} symbol The symbol object to clone.
+ * @returns {Object} Returns the cloned symbol object.
+ */
+function cloneSymbol(symbol) {
+  return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
+}
+
+module.exports = cloneSymbol;
diff --git a/web/public/node_modules/lodash/_cloneTypedArray.js b/web/public/node_modules/lodash/_cloneTypedArray.js
new file mode 100644
index 000000000..7aad84d4f
--- /dev/null
+++ b/web/public/node_modules/lodash/_cloneTypedArray.js
@@ -0,0 +1,16 @@
+var cloneArrayBuffer = require('./_cloneArrayBuffer');
+
+/**
+ * Creates a clone of `typedArray`.
+ *
+ * @private
+ * @param {Object} typedArray The typed array to clone.
+ * @param {boolean} [isDeep] Specify a deep clone.
+ * @returns {Object} Returns the cloned typed array.
+ */
+function cloneTypedArray(typedArray, isDeep) {
+  var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+}
+
+module.exports = cloneTypedArray;
diff --git a/web/public/node_modules/lodash/_compareAscending.js b/web/public/node_modules/lodash/_compareAscending.js
new file mode 100644
index 000000000..8dc279108
--- /dev/null
+++ b/web/public/node_modules/lodash/_compareAscending.js
@@ -0,0 +1,41 @@
+var isSymbol = require('./isSymbol');
+
+/**
+ * Compares values to sort them in ascending order.
+ *
+ * @private
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {number} Returns the sort order indicator for `value`.
+ */
+function compareAscending(value, other) {
+  if (value !== other) {
+    var valIsDefined = value !== undefined,
+        valIsNull = value === null,
+        valIsReflexive = value === value,
+        valIsSymbol = isSymbol(value);
+
+    var othIsDefined = other !== undefined,
+        othIsNull = other === null,
+        othIsReflexive = other === other,
+        othIsSymbol = isSymbol(other);
+
+    if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+        (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+        (valIsNull && othIsDefined && othIsReflexive) ||
+        (!valIsDefined && othIsReflexive) ||
+        !valIsReflexive) {
+      return 1;
+    }
+    if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+        (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+        (othIsNull && valIsDefined && valIsReflexive) ||
+        (!othIsDefined && valIsReflexive) ||
+        !othIsReflexive) {
+      return -1;
+    }
+  }
+  return 0;
+}
+
+module.exports = compareAscending;
diff --git a/web/public/node_modules/lodash/_compareMultiple.js b/web/public/node_modules/lodash/_compareMultiple.js
new file mode 100644
index 000000000..ad61f0fbc
--- /dev/null
+++ b/web/public/node_modules/lodash/_compareMultiple.js
@@ -0,0 +1,44 @@
+var compareAscending = require('./_compareAscending');
+
+/**
+ * Used by `_.orderBy` to compare multiple properties of a value to another
+ * and stable sort them.
+ *
+ * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
+ * specify an order of "desc" for descending or "asc" for ascending sort order
+ * of corresponding values.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {boolean[]|string[]} orders The order to sort by for each property.
+ * @returns {number} Returns the sort order indicator for `object`.
+ */
+function compareMultiple(object, other, orders) {
+  var index = -1,
+      objCriteria = object.criteria,
+      othCriteria = other.criteria,
+      length = objCriteria.length,
+      ordersLength = orders.length;
+
+  while (++index < length) {
+    var result = compareAscending(objCriteria[index], othCriteria[index]);
+    if (result) {
+      if (index >= ordersLength) {
+        return result;
+      }
+      var order = orders[index];
+      return result * (order == 'desc' ? -1 : 1);
+    }
+  }
+  // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+  // that causes it, under certain circumstances, to provide the same value for
+  // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+  // for more details.
+  //
+  // This also ensures a stable sort in V8 and other engines.
+  // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
+  return object.index - other.index;
+}
+
+module.exports = compareMultiple;
diff --git a/web/public/node_modules/lodash/_composeArgs.js b/web/public/node_modules/lodash/_composeArgs.js
new file mode 100644
index 000000000..1ce40f4f9
--- /dev/null
+++ b/web/public/node_modules/lodash/_composeArgs.js
@@ -0,0 +1,39 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * Creates an array that is the composition of partially applied arguments,
+ * placeholders, and provided arguments into a single array of arguments.
+ *
+ * @private
+ * @param {Array} args The provided arguments.
+ * @param {Array} partials The arguments to prepend to those provided.
+ * @param {Array} holders The `partials` placeholder indexes.
+ * @params {boolean} [isCurried] Specify composing for a curried function.
+ * @returns {Array} Returns the new array of composed arguments.
+ */
+function composeArgs(args, partials, holders, isCurried) {
+  var argsIndex = -1,
+      argsLength = args.length,
+      holdersLength = holders.length,
+      leftIndex = -1,
+      leftLength = partials.length,
+      rangeLength = nativeMax(argsLength - holdersLength, 0),
+      result = Array(leftLength + rangeLength),
+      isUncurried = !isCurried;
+
+  while (++leftIndex < leftLength) {
+    result[leftIndex] = partials[leftIndex];
+  }
+  while (++argsIndex < holdersLength) {
+    if (isUncurried || argsIndex < argsLength) {
+      result[holders[argsIndex]] = args[argsIndex];
+    }
+  }
+  while (rangeLength--) {
+    result[leftIndex++] = args[argsIndex++];
+  }
+  return result;
+}
+
+module.exports = composeArgs;
diff --git a/web/public/node_modules/lodash/_composeArgsRight.js b/web/public/node_modules/lodash/_composeArgsRight.js
new file mode 100644
index 000000000..8dc588d0a
--- /dev/null
+++ b/web/public/node_modules/lodash/_composeArgsRight.js
@@ -0,0 +1,41 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * This function is like `composeArgs` except that the arguments composition
+ * is tailored for `_.partialRight`.
+ *
+ * @private
+ * @param {Array} args The provided arguments.
+ * @param {Array} partials The arguments to append to those provided.
+ * @param {Array} holders The `partials` placeholder indexes.
+ * @params {boolean} [isCurried] Specify composing for a curried function.
+ * @returns {Array} Returns the new array of composed arguments.
+ */
+function composeArgsRight(args, partials, holders, isCurried) {
+  var argsIndex = -1,
+      argsLength = args.length,
+      holdersIndex = -1,
+      holdersLength = holders.length,
+      rightIndex = -1,
+      rightLength = partials.length,
+      rangeLength = nativeMax(argsLength - holdersLength, 0),
+      result = Array(rangeLength + rightLength),
+      isUncurried = !isCurried;
+
+  while (++argsIndex < rangeLength) {
+    result[argsIndex] = args[argsIndex];
+  }
+  var offset = argsIndex;
+  while (++rightIndex < rightLength) {
+    result[offset + rightIndex] = partials[rightIndex];
+  }
+  while (++holdersIndex < holdersLength) {
+    if (isUncurried || argsIndex < argsLength) {
+      result[offset + holders[holdersIndex]] = args[argsIndex++];
+    }
+  }
+  return result;
+}
+
+module.exports = composeArgsRight;
diff --git a/web/public/node_modules/lodash/_copyArray.js b/web/public/node_modules/lodash/_copyArray.js
new file mode 100644
index 000000000..cd94d5d09
--- /dev/null
+++ b/web/public/node_modules/lodash/_copyArray.js
@@ -0,0 +1,20 @@
+/**
+ * Copies the values of `source` to `array`.
+ *
+ * @private
+ * @param {Array} source The array to copy values from.
+ * @param {Array} [array=[]] The array to copy values to.
+ * @returns {Array} Returns `array`.
+ */
+function copyArray(source, array) {
+  var index = -1,
+      length = source.length;
+
+  array || (array = Array(length));
+  while (++index < length) {
+    array[index] = source[index];
+  }
+  return array;
+}
+
+module.exports = copyArray;
diff --git a/web/public/node_modules/lodash/_copyObject.js b/web/public/node_modules/lodash/_copyObject.js
new file mode 100644
index 000000000..2f2a5c23b
--- /dev/null
+++ b/web/public/node_modules/lodash/_copyObject.js
@@ -0,0 +1,40 @@
+var assignValue = require('./_assignValue'),
+    baseAssignValue = require('./_baseAssignValue');
+
+/**
+ * Copies properties of `source` to `object`.
+ *
+ * @private
+ * @param {Object} source The object to copy properties from.
+ * @param {Array} props The property identifiers to copy.
+ * @param {Object} [object={}] The object to copy properties to.
+ * @param {Function} [customizer] The function to customize copied values.
+ * @returns {Object} Returns `object`.
+ */
+function copyObject(source, props, object, customizer) {
+  var isNew = !object;
+  object || (object = {});
+
+  var index = -1,
+      length = props.length;
+
+  while (++index < length) {
+    var key = props[index];
+
+    var newValue = customizer
+      ? customizer(object[key], source[key], key, object, source)
+      : undefined;
+
+    if (newValue === undefined) {
+      newValue = source[key];
+    }
+    if (isNew) {
+      baseAssignValue(object, key, newValue);
+    } else {
+      assignValue(object, key, newValue);
+    }
+  }
+  return object;
+}
+
+module.exports = copyObject;
diff --git a/web/public/node_modules/lodash/_copySymbols.js b/web/public/node_modules/lodash/_copySymbols.js
new file mode 100644
index 000000000..c35944ab5
--- /dev/null
+++ b/web/public/node_modules/lodash/_copySymbols.js
@@ -0,0 +1,16 @@
+var copyObject = require('./_copyObject'),
+    getSymbols = require('./_getSymbols');
+
+/**
+ * Copies own symbols of `source` to `object`.
+ *
+ * @private
+ * @param {Object} source The object to copy symbols from.
+ * @param {Object} [object={}] The object to copy symbols to.
+ * @returns {Object} Returns `object`.
+ */
+function copySymbols(source, object) {
+  return copyObject(source, getSymbols(source), object);
+}
+
+module.exports = copySymbols;
diff --git a/web/public/node_modules/lodash/_copySymbolsIn.js b/web/public/node_modules/lodash/_copySymbolsIn.js
new file mode 100644
index 000000000..fdf20a73c
--- /dev/null
+++ b/web/public/node_modules/lodash/_copySymbolsIn.js
@@ -0,0 +1,16 @@
+var copyObject = require('./_copyObject'),
+    getSymbolsIn = require('./_getSymbolsIn');
+
+/**
+ * Copies own and inherited symbols of `source` to `object`.
+ *
+ * @private
+ * @param {Object} source The object to copy symbols from.
+ * @param {Object} [object={}] The object to copy symbols to.
+ * @returns {Object} Returns `object`.
+ */
+function copySymbolsIn(source, object) {
+  return copyObject(source, getSymbolsIn(source), object);
+}
+
+module.exports = copySymbolsIn;
diff --git a/web/public/node_modules/lodash/_coreJsData.js b/web/public/node_modules/lodash/_coreJsData.js
new file mode 100644
index 000000000..f8e5b4e34
--- /dev/null
+++ b/web/public/node_modules/lodash/_coreJsData.js
@@ -0,0 +1,6 @@
+var root = require('./_root');
+
+/** Used to detect overreaching core-js shims. */
+var coreJsData = root['__core-js_shared__'];
+
+module.exports = coreJsData;
diff --git a/web/public/node_modules/lodash/_countHolders.js b/web/public/node_modules/lodash/_countHolders.js
new file mode 100644
index 000000000..718fcdaa8
--- /dev/null
+++ b/web/public/node_modules/lodash/_countHolders.js
@@ -0,0 +1,21 @@
+/**
+ * Gets the number of `placeholder` occurrences in `array`.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} placeholder The placeholder to search for.
+ * @returns {number} Returns the placeholder count.
+ */
+function countHolders(array, placeholder) {
+  var length = array.length,
+      result = 0;
+
+  while (length--) {
+    if (array[length] === placeholder) {
+      ++result;
+    }
+  }
+  return result;
+}
+
+module.exports = countHolders;
diff --git a/web/public/node_modules/lodash/_createAggregator.js b/web/public/node_modules/lodash/_createAggregator.js
new file mode 100644
index 000000000..0be42c41c
--- /dev/null
+++ b/web/public/node_modules/lodash/_createAggregator.js
@@ -0,0 +1,23 @@
+var arrayAggregator = require('./_arrayAggregator'),
+    baseAggregator = require('./_baseAggregator'),
+    baseIteratee = require('./_baseIteratee'),
+    isArray = require('./isArray');
+
+/**
+ * Creates a function like `_.groupBy`.
+ *
+ * @private
+ * @param {Function} setter The function to set accumulator values.
+ * @param {Function} [initializer] The accumulator object initializer.
+ * @returns {Function} Returns the new aggregator function.
+ */
+function createAggregator(setter, initializer) {
+  return function(collection, iteratee) {
+    var func = isArray(collection) ? arrayAggregator : baseAggregator,
+        accumulator = initializer ? initializer() : {};
+
+    return func(collection, setter, baseIteratee(iteratee, 2), accumulator);
+  };
+}
+
+module.exports = createAggregator;
diff --git a/web/public/node_modules/lodash/_createAssigner.js b/web/public/node_modules/lodash/_createAssigner.js
new file mode 100644
index 000000000..1f904c51b
--- /dev/null
+++ b/web/public/node_modules/lodash/_createAssigner.js
@@ -0,0 +1,37 @@
+var baseRest = require('./_baseRest'),
+    isIterateeCall = require('./_isIterateeCall');
+
+/**
+ * Creates a function like `_.assign`.
+ *
+ * @private
+ * @param {Function} assigner The function to assign values.
+ * @returns {Function} Returns the new assigner function.
+ */
+function createAssigner(assigner) {
+  return baseRest(function(object, sources) {
+    var index = -1,
+        length = sources.length,
+        customizer = length > 1 ? sources[length - 1] : undefined,
+        guard = length > 2 ? sources[2] : undefined;
+
+    customizer = (assigner.length > 3 && typeof customizer == 'function')
+      ? (length--, customizer)
+      : undefined;
+
+    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+      customizer = length < 3 ? undefined : customizer;
+      length = 1;
+    }
+    object = Object(object);
+    while (++index < length) {
+      var source = sources[index];
+      if (source) {
+        assigner(object, source, index, customizer);
+      }
+    }
+    return object;
+  });
+}
+
+module.exports = createAssigner;
diff --git a/web/public/node_modules/lodash/_createBaseEach.js b/web/public/node_modules/lodash/_createBaseEach.js
new file mode 100644
index 000000000..d24fdd1bb
--- /dev/null
+++ b/web/public/node_modules/lodash/_createBaseEach.js
@@ -0,0 +1,32 @@
+var isArrayLike = require('./isArrayLike');
+
+/**
+ * Creates a `baseEach` or `baseEachRight` function.
+ *
+ * @private
+ * @param {Function} eachFunc The function to iterate over a collection.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new base function.
+ */
+function createBaseEach(eachFunc, fromRight) {
+  return function(collection, iteratee) {
+    if (collection == null) {
+      return collection;
+    }
+    if (!isArrayLike(collection)) {
+      return eachFunc(collection, iteratee);
+    }
+    var length = collection.length,
+        index = fromRight ? length : -1,
+        iterable = Object(collection);
+
+    while ((fromRight ? index-- : ++index < length)) {
+      if (iteratee(iterable[index], index, iterable) === false) {
+        break;
+      }
+    }
+    return collection;
+  };
+}
+
+module.exports = createBaseEach;
diff --git a/web/public/node_modules/lodash/_createBaseFor.js b/web/public/node_modules/lodash/_createBaseFor.js
new file mode 100644
index 000000000..94cbf297a
--- /dev/null
+++ b/web/public/node_modules/lodash/_createBaseFor.js
@@ -0,0 +1,25 @@
+/**
+ * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+ *
+ * @private
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new base function.
+ */
+function createBaseFor(fromRight) {
+  return function(object, iteratee, keysFunc) {
+    var index = -1,
+        iterable = Object(object),
+        props = keysFunc(object),
+        length = props.length;
+
+    while (length--) {
+      var key = props[fromRight ? length : ++index];
+      if (iteratee(iterable[key], key, iterable) === false) {
+        break;
+      }
+    }
+    return object;
+  };
+}
+
+module.exports = createBaseFor;
diff --git a/web/public/node_modules/lodash/_createBind.js b/web/public/node_modules/lodash/_createBind.js
new file mode 100644
index 000000000..07cb99f4d
--- /dev/null
+++ b/web/public/node_modules/lodash/_createBind.js
@@ -0,0 +1,28 @@
+var createCtor = require('./_createCtor'),
+    root = require('./_root');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1;
+
+/**
+ * Creates a function that wraps `func` to invoke it with the optional `this`
+ * binding of `thisArg`.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createBind(func, bitmask, thisArg) {
+  var isBind = bitmask & WRAP_BIND_FLAG,
+      Ctor = createCtor(func);
+
+  function wrapper() {
+    var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+    return fn.apply(isBind ? thisArg : this, arguments);
+  }
+  return wrapper;
+}
+
+module.exports = createBind;
diff --git a/web/public/node_modules/lodash/_createCaseFirst.js b/web/public/node_modules/lodash/_createCaseFirst.js
new file mode 100644
index 000000000..fe8ea4830
--- /dev/null
+++ b/web/public/node_modules/lodash/_createCaseFirst.js
@@ -0,0 +1,33 @@
+var castSlice = require('./_castSlice'),
+    hasUnicode = require('./_hasUnicode'),
+    stringToArray = require('./_stringToArray'),
+    toString = require('./toString');
+
+/**
+ * Creates a function like `_.lowerFirst`.
+ *
+ * @private
+ * @param {string} methodName The name of the `String` case method to use.
+ * @returns {Function} Returns the new case function.
+ */
+function createCaseFirst(methodName) {
+  return function(string) {
+    string = toString(string);
+
+    var strSymbols = hasUnicode(string)
+      ? stringToArray(string)
+      : undefined;
+
+    var chr = strSymbols
+      ? strSymbols[0]
+      : string.charAt(0);
+
+    var trailing = strSymbols
+      ? castSlice(strSymbols, 1).join('')
+      : string.slice(1);
+
+    return chr[methodName]() + trailing;
+  };
+}
+
+module.exports = createCaseFirst;
diff --git a/web/public/node_modules/lodash/_createCompounder.js b/web/public/node_modules/lodash/_createCompounder.js
new file mode 100644
index 000000000..8d4cee2cd
--- /dev/null
+++ b/web/public/node_modules/lodash/_createCompounder.js
@@ -0,0 +1,24 @@
+var arrayReduce = require('./_arrayReduce'),
+    deburr = require('./deburr'),
+    words = require('./words');
+
+/** Used to compose unicode capture groups. */
+var rsApos = "['\u2019]";
+
+/** Used to match apostrophes. */
+var reApos = RegExp(rsApos, 'g');
+
+/**
+ * Creates a function like `_.camelCase`.
+ *
+ * @private
+ * @param {Function} callback The function to combine each word.
+ * @returns {Function} Returns the new compounder function.
+ */
+function createCompounder(callback) {
+  return function(string) {
+    return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
+  };
+}
+
+module.exports = createCompounder;
diff --git a/web/public/node_modules/lodash/_createCtor.js b/web/public/node_modules/lodash/_createCtor.js
new file mode 100644
index 000000000..9047aa5fa
--- /dev/null
+++ b/web/public/node_modules/lodash/_createCtor.js
@@ -0,0 +1,37 @@
+var baseCreate = require('./_baseCreate'),
+    isObject = require('./isObject');
+
+/**
+ * Creates a function that produces an instance of `Ctor` regardless of
+ * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+ *
+ * @private
+ * @param {Function} Ctor The constructor to wrap.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createCtor(Ctor) {
+  return function() {
+    // Use a `switch` statement to work with class constructors. See
+    // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+    // for more details.
+    var args = arguments;
+    switch (args.length) {
+      case 0: return new Ctor;
+      case 1: return new Ctor(args[0]);
+      case 2: return new Ctor(args[0], args[1]);
+      case 3: return new Ctor(args[0], args[1], args[2]);
+      case 4: return new Ctor(args[0], args[1], args[2], args[3]);
+      case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+      case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+      case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+    }
+    var thisBinding = baseCreate(Ctor.prototype),
+        result = Ctor.apply(thisBinding, args);
+
+    // Mimic the constructor's `return` behavior.
+    // See https://es5.github.io/#x13.2.2 for more details.
+    return isObject(result) ? result : thisBinding;
+  };
+}
+
+module.exports = createCtor;
diff --git a/web/public/node_modules/lodash/_createCurry.js b/web/public/node_modules/lodash/_createCurry.js
new file mode 100644
index 000000000..f06c2cdd8
--- /dev/null
+++ b/web/public/node_modules/lodash/_createCurry.js
@@ -0,0 +1,46 @@
+var apply = require('./_apply'),
+    createCtor = require('./_createCtor'),
+    createHybrid = require('./_createHybrid'),
+    createRecurry = require('./_createRecurry'),
+    getHolder = require('./_getHolder'),
+    replaceHolders = require('./_replaceHolders'),
+    root = require('./_root');
+
+/**
+ * Creates a function that wraps `func` to enable currying.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {number} arity The arity of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createCurry(func, bitmask, arity) {
+  var Ctor = createCtor(func);
+
+  function wrapper() {
+    var length = arguments.length,
+        args = Array(length),
+        index = length,
+        placeholder = getHolder(wrapper);
+
+    while (index--) {
+      args[index] = arguments[index];
+    }
+    var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
+      ? []
+      : replaceHolders(args, placeholder);
+
+    length -= holders.length;
+    if (length < arity) {
+      return createRecurry(
+        func, bitmask, createHybrid, wrapper.placeholder, undefined,
+        args, holders, undefined, undefined, arity - length);
+    }
+    var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+    return apply(fn, this, args);
+  }
+  return wrapper;
+}
+
+module.exports = createCurry;
diff --git a/web/public/node_modules/lodash/_createFind.js b/web/public/node_modules/lodash/_createFind.js
new file mode 100644
index 000000000..8859ff89f
--- /dev/null
+++ b/web/public/node_modules/lodash/_createFind.js
@@ -0,0 +1,25 @@
+var baseIteratee = require('./_baseIteratee'),
+    isArrayLike = require('./isArrayLike'),
+    keys = require('./keys');
+
+/**
+ * Creates a `_.find` or `_.findLast` function.
+ *
+ * @private
+ * @param {Function} findIndexFunc The function to find the collection index.
+ * @returns {Function} Returns the new find function.
+ */
+function createFind(findIndexFunc) {
+  return function(collection, predicate, fromIndex) {
+    var iterable = Object(collection);
+    if (!isArrayLike(collection)) {
+      var iteratee = baseIteratee(predicate, 3);
+      collection = keys(collection);
+      predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+    }
+    var index = findIndexFunc(collection, predicate, fromIndex);
+    return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
+  };
+}
+
+module.exports = createFind;
diff --git a/web/public/node_modules/lodash/_createFlow.js b/web/public/node_modules/lodash/_createFlow.js
new file mode 100644
index 000000000..baaddbf5e
--- /dev/null
+++ b/web/public/node_modules/lodash/_createFlow.js
@@ -0,0 +1,78 @@
+var LodashWrapper = require('./_LodashWrapper'),
+    flatRest = require('./_flatRest'),
+    getData = require('./_getData'),
+    getFuncName = require('./_getFuncName'),
+    isArray = require('./isArray'),
+    isLaziable = require('./_isLaziable');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_CURRY_FLAG = 8,
+    WRAP_PARTIAL_FLAG = 32,
+    WRAP_ARY_FLAG = 128,
+    WRAP_REARG_FLAG = 256;
+
+/**
+ * Creates a `_.flow` or `_.flowRight` function.
+ *
+ * @private
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new flow function.
+ */
+function createFlow(fromRight) {
+  return flatRest(function(funcs) {
+    var length = funcs.length,
+        index = length,
+        prereq = LodashWrapper.prototype.thru;
+
+    if (fromRight) {
+      funcs.reverse();
+    }
+    while (index--) {
+      var func = funcs[index];
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
+        var wrapper = new LodashWrapper([], true);
+      }
+    }
+    index = wrapper ? index : length;
+    while (++index < length) {
+      func = funcs[index];
+
+      var funcName = getFuncName(func),
+          data = funcName == 'wrapper' ? getData(func) : undefined;
+
+      if (data && isLaziable(data[0]) &&
+            data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
+            !data[4].length && data[9] == 1
+          ) {
+        wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+      } else {
+        wrapper = (func.length == 1 && isLaziable(func))
+          ? wrapper[funcName]()
+          : wrapper.thru(func);
+      }
+    }
+    return function() {
+      var args = arguments,
+          value = args[0];
+
+      if (wrapper && args.length == 1 && isArray(value)) {
+        return wrapper.plant(value).value();
+      }
+      var index = 0,
+          result = length ? funcs[index].apply(this, args) : value;
+
+      while (++index < length) {
+        result = funcs[index].call(this, result);
+      }
+      return result;
+    };
+  });
+}
+
+module.exports = createFlow;
diff --git a/web/public/node_modules/lodash/_createHybrid.js b/web/public/node_modules/lodash/_createHybrid.js
new file mode 100644
index 000000000..b671bd11f
--- /dev/null
+++ b/web/public/node_modules/lodash/_createHybrid.js
@@ -0,0 +1,92 @@
+var composeArgs = require('./_composeArgs'),
+    composeArgsRight = require('./_composeArgsRight'),
+    countHolders = require('./_countHolders'),
+    createCtor = require('./_createCtor'),
+    createRecurry = require('./_createRecurry'),
+    getHolder = require('./_getHolder'),
+    reorder = require('./_reorder'),
+    replaceHolders = require('./_replaceHolders'),
+    root = require('./_root');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_BIND_KEY_FLAG = 2,
+    WRAP_CURRY_FLAG = 8,
+    WRAP_CURRY_RIGHT_FLAG = 16,
+    WRAP_ARY_FLAG = 128,
+    WRAP_FLIP_FLAG = 512;
+
+/**
+ * Creates a function that wraps `func` to invoke it with optional `this`
+ * binding of `thisArg`, partial application, and currying.
+ *
+ * @private
+ * @param {Function|string} func The function or method name to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @param {Array} [partials] The arguments to prepend to those provided to
+ *  the new function.
+ * @param {Array} [holders] The `partials` placeholder indexes.
+ * @param {Array} [partialsRight] The arguments to append to those provided
+ *  to the new function.
+ * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
+ * @param {Array} [argPos] The argument positions of the new function.
+ * @param {number} [ary] The arity cap of `func`.
+ * @param {number} [arity] The arity of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
+  var isAry = bitmask & WRAP_ARY_FLAG,
+      isBind = bitmask & WRAP_BIND_FLAG,
+      isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
+      isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
+      isFlip = bitmask & WRAP_FLIP_FLAG,
+      Ctor = isBindKey ? undefined : createCtor(func);
+
+  function wrapper() {
+    var length = arguments.length,
+        args = Array(length),
+        index = length;
+
+    while (index--) {
+      args[index] = arguments[index];
+    }
+    if (isCurried) {
+      var placeholder = getHolder(wrapper),
+          holdersCount = countHolders(args, placeholder);
+    }
+    if (partials) {
+      args = composeArgs(args, partials, holders, isCurried);
+    }
+    if (partialsRight) {
+      args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
+    }
+    length -= holdersCount;
+    if (isCurried && length < arity) {
+      var newHolders = replaceHolders(args, placeholder);
+      return createRecurry(
+        func, bitmask, createHybrid, wrapper.placeholder, thisArg,
+        args, newHolders, argPos, ary, arity - length
+      );
+    }
+    var thisBinding = isBind ? thisArg : this,
+        fn = isBindKey ? thisBinding[func] : func;
+
+    length = args.length;
+    if (argPos) {
+      args = reorder(args, argPos);
+    } else if (isFlip && length > 1) {
+      args.reverse();
+    }
+    if (isAry && ary < length) {
+      args.length = ary;
+    }
+    if (this && this !== root && this instanceof wrapper) {
+      fn = Ctor || createCtor(fn);
+    }
+    return fn.apply(thisBinding, args);
+  }
+  return wrapper;
+}
+
+module.exports = createHybrid;
diff --git a/web/public/node_modules/lodash/_createInverter.js b/web/public/node_modules/lodash/_createInverter.js
new file mode 100644
index 000000000..6c0c56299
--- /dev/null
+++ b/web/public/node_modules/lodash/_createInverter.js
@@ -0,0 +1,17 @@
+var baseInverter = require('./_baseInverter');
+
+/**
+ * Creates a function like `_.invertBy`.
+ *
+ * @private
+ * @param {Function} setter The function to set accumulator values.
+ * @param {Function} toIteratee The function to resolve iteratees.
+ * @returns {Function} Returns the new inverter function.
+ */
+function createInverter(setter, toIteratee) {
+  return function(object, iteratee) {
+    return baseInverter(object, setter, toIteratee(iteratee), {});
+  };
+}
+
+module.exports = createInverter;
diff --git a/web/public/node_modules/lodash/_createMathOperation.js b/web/public/node_modules/lodash/_createMathOperation.js
new file mode 100644
index 000000000..f1e238ac0
--- /dev/null
+++ b/web/public/node_modules/lodash/_createMathOperation.js
@@ -0,0 +1,38 @@
+var baseToNumber = require('./_baseToNumber'),
+    baseToString = require('./_baseToString');
+
+/**
+ * Creates a function that performs a mathematical operation on two values.
+ *
+ * @private
+ * @param {Function} operator The function to perform the operation.
+ * @param {number} [defaultValue] The value used for `undefined` arguments.
+ * @returns {Function} Returns the new mathematical operation function.
+ */
+function createMathOperation(operator, defaultValue) {
+  return function(value, other) {
+    var result;
+    if (value === undefined && other === undefined) {
+      return defaultValue;
+    }
+    if (value !== undefined) {
+      result = value;
+    }
+    if (other !== undefined) {
+      if (result === undefined) {
+        return other;
+      }
+      if (typeof value == 'string' || typeof other == 'string') {
+        value = baseToString(value);
+        other = baseToString(other);
+      } else {
+        value = baseToNumber(value);
+        other = baseToNumber(other);
+      }
+      result = operator(value, other);
+    }
+    return result;
+  };
+}
+
+module.exports = createMathOperation;
diff --git a/web/public/node_modules/lodash/_createOver.js b/web/public/node_modules/lodash/_createOver.js
new file mode 100644
index 000000000..3b9455161
--- /dev/null
+++ b/web/public/node_modules/lodash/_createOver.js
@@ -0,0 +1,27 @@
+var apply = require('./_apply'),
+    arrayMap = require('./_arrayMap'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest'),
+    baseUnary = require('./_baseUnary'),
+    flatRest = require('./_flatRest');
+
+/**
+ * Creates a function like `_.over`.
+ *
+ * @private
+ * @param {Function} arrayFunc The function to iterate over iteratees.
+ * @returns {Function} Returns the new over function.
+ */
+function createOver(arrayFunc) {
+  return flatRest(function(iteratees) {
+    iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
+    return baseRest(function(args) {
+      var thisArg = this;
+      return arrayFunc(iteratees, function(iteratee) {
+        return apply(iteratee, thisArg, args);
+      });
+    });
+  });
+}
+
+module.exports = createOver;
diff --git a/web/public/node_modules/lodash/_createPadding.js b/web/public/node_modules/lodash/_createPadding.js
new file mode 100644
index 000000000..2124612b8
--- /dev/null
+++ b/web/public/node_modules/lodash/_createPadding.js
@@ -0,0 +1,33 @@
+var baseRepeat = require('./_baseRepeat'),
+    baseToString = require('./_baseToString'),
+    castSlice = require('./_castSlice'),
+    hasUnicode = require('./_hasUnicode'),
+    stringSize = require('./_stringSize'),
+    stringToArray = require('./_stringToArray');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil;
+
+/**
+ * Creates the padding for `string` based on `length`. The `chars` string
+ * is truncated if the number of characters exceeds `length`.
+ *
+ * @private
+ * @param {number} length The padding length.
+ * @param {string} [chars=' '] The string used as padding.
+ * @returns {string} Returns the padding for `string`.
+ */
+function createPadding(length, chars) {
+  chars = chars === undefined ? ' ' : baseToString(chars);
+
+  var charsLength = chars.length;
+  if (charsLength < 2) {
+    return charsLength ? baseRepeat(chars, length) : chars;
+  }
+  var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
+  return hasUnicode(chars)
+    ? castSlice(stringToArray(result), 0, length).join('')
+    : result.slice(0, length);
+}
+
+module.exports = createPadding;
diff --git a/web/public/node_modules/lodash/_createPartial.js b/web/public/node_modules/lodash/_createPartial.js
new file mode 100644
index 000000000..e16c248b5
--- /dev/null
+++ b/web/public/node_modules/lodash/_createPartial.js
@@ -0,0 +1,43 @@
+var apply = require('./_apply'),
+    createCtor = require('./_createCtor'),
+    root = require('./_root');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1;
+
+/**
+ * Creates a function that wraps `func` to invoke it with the `this` binding
+ * of `thisArg` and `partials` prepended to the arguments it receives.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {*} thisArg The `this` binding of `func`.
+ * @param {Array} partials The arguments to prepend to those provided to
+ *  the new function.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createPartial(func, bitmask, thisArg, partials) {
+  var isBind = bitmask & WRAP_BIND_FLAG,
+      Ctor = createCtor(func);
+
+  function wrapper() {
+    var argsIndex = -1,
+        argsLength = arguments.length,
+        leftIndex = -1,
+        leftLength = partials.length,
+        args = Array(leftLength + argsLength),
+        fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+
+    while (++leftIndex < leftLength) {
+      args[leftIndex] = partials[leftIndex];
+    }
+    while (argsLength--) {
+      args[leftIndex++] = arguments[++argsIndex];
+    }
+    return apply(fn, isBind ? thisArg : this, args);
+  }
+  return wrapper;
+}
+
+module.exports = createPartial;
diff --git a/web/public/node_modules/lodash/_createRange.js b/web/public/node_modules/lodash/_createRange.js
new file mode 100644
index 000000000..9f52c7793
--- /dev/null
+++ b/web/public/node_modules/lodash/_createRange.js
@@ -0,0 +1,30 @@
+var baseRange = require('./_baseRange'),
+    isIterateeCall = require('./_isIterateeCall'),
+    toFinite = require('./toFinite');
+
+/**
+ * Creates a `_.range` or `_.rangeRight` function.
+ *
+ * @private
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new range function.
+ */
+function createRange(fromRight) {
+  return function(start, end, step) {
+    if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
+      end = step = undefined;
+    }
+    // Ensure the sign of `-0` is preserved.
+    start = toFinite(start);
+    if (end === undefined) {
+      end = start;
+      start = 0;
+    } else {
+      end = toFinite(end);
+    }
+    step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
+    return baseRange(start, end, step, fromRight);
+  };
+}
+
+module.exports = createRange;
diff --git a/web/public/node_modules/lodash/_createRecurry.js b/web/public/node_modules/lodash/_createRecurry.js
new file mode 100644
index 000000000..eb29fb24c
--- /dev/null
+++ b/web/public/node_modules/lodash/_createRecurry.js
@@ -0,0 +1,56 @@
+var isLaziable = require('./_isLaziable'),
+    setData = require('./_setData'),
+    setWrapToString = require('./_setWrapToString');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_BIND_KEY_FLAG = 2,
+    WRAP_CURRY_BOUND_FLAG = 4,
+    WRAP_CURRY_FLAG = 8,
+    WRAP_PARTIAL_FLAG = 32,
+    WRAP_PARTIAL_RIGHT_FLAG = 64;
+
+/**
+ * Creates a function that wraps `func` to continue currying.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {Function} wrapFunc The function to create the `func` wrapper.
+ * @param {*} placeholder The placeholder value.
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @param {Array} [partials] The arguments to prepend to those provided to
+ *  the new function.
+ * @param {Array} [holders] The `partials` placeholder indexes.
+ * @param {Array} [argPos] The argument positions of the new function.
+ * @param {number} [ary] The arity cap of `func`.
+ * @param {number} [arity] The arity of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
+  var isCurry = bitmask & WRAP_CURRY_FLAG,
+      newHolders = isCurry ? holders : undefined,
+      newHoldersRight = isCurry ? undefined : holders,
+      newPartials = isCurry ? partials : undefined,
+      newPartialsRight = isCurry ? undefined : partials;
+
+  bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
+  bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
+
+  if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
+    bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
+  }
+  var newData = [
+    func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
+    newHoldersRight, argPos, ary, arity
+  ];
+
+  var result = wrapFunc.apply(undefined, newData);
+  if (isLaziable(func)) {
+    setData(result, newData);
+  }
+  result.placeholder = placeholder;
+  return setWrapToString(result, func, bitmask);
+}
+
+module.exports = createRecurry;
diff --git a/web/public/node_modules/lodash/_createRelationalOperation.js b/web/public/node_modules/lodash/_createRelationalOperation.js
new file mode 100644
index 000000000..a17c6b5e7
--- /dev/null
+++ b/web/public/node_modules/lodash/_createRelationalOperation.js
@@ -0,0 +1,20 @@
+var toNumber = require('./toNumber');
+
+/**
+ * Creates a function that performs a relational operation on two values.
+ *
+ * @private
+ * @param {Function} operator The function to perform the operation.
+ * @returns {Function} Returns the new relational operation function.
+ */
+function createRelationalOperation(operator) {
+  return function(value, other) {
+    if (!(typeof value == 'string' && typeof other == 'string')) {
+      value = toNumber(value);
+      other = toNumber(other);
+    }
+    return operator(value, other);
+  };
+}
+
+module.exports = createRelationalOperation;
diff --git a/web/public/node_modules/lodash/_createRound.js b/web/public/node_modules/lodash/_createRound.js
new file mode 100644
index 000000000..88be5df39
--- /dev/null
+++ b/web/public/node_modules/lodash/_createRound.js
@@ -0,0 +1,35 @@
+var root = require('./_root'),
+    toInteger = require('./toInteger'),
+    toNumber = require('./toNumber'),
+    toString = require('./toString');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeIsFinite = root.isFinite,
+    nativeMin = Math.min;
+
+/**
+ * Creates a function like `_.round`.
+ *
+ * @private
+ * @param {string} methodName The name of the `Math` method to use when rounding.
+ * @returns {Function} Returns the new round function.
+ */
+function createRound(methodName) {
+  var func = Math[methodName];
+  return function(number, precision) {
+    number = toNumber(number);
+    precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
+    if (precision && nativeIsFinite(number)) {
+      // Shift with exponential notation to avoid floating-point issues.
+      // See [MDN](https://mdn.io/round#Examples) for more details.
+      var pair = (toString(number) + 'e').split('e'),
+          value = func(pair[0] + 'e' + (+pair[1] + precision));
+
+      pair = (toString(value) + 'e').split('e');
+      return +(pair[0] + 'e' + (+pair[1] - precision));
+    }
+    return func(number);
+  };
+}
+
+module.exports = createRound;
diff --git a/web/public/node_modules/lodash/_createSet.js b/web/public/node_modules/lodash/_createSet.js
new file mode 100644
index 000000000..0f644eeae
--- /dev/null
+++ b/web/public/node_modules/lodash/_createSet.js
@@ -0,0 +1,19 @@
+var Set = require('./_Set'),
+    noop = require('./noop'),
+    setToArray = require('./_setToArray');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/**
+ * Creates a set object of `values`.
+ *
+ * @private
+ * @param {Array} values The values to add to the set.
+ * @returns {Object} Returns the new set.
+ */
+var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
+  return new Set(values);
+};
+
+module.exports = createSet;
diff --git a/web/public/node_modules/lodash/_createToPairs.js b/web/public/node_modules/lodash/_createToPairs.js
new file mode 100644
index 000000000..568417afd
--- /dev/null
+++ b/web/public/node_modules/lodash/_createToPairs.js
@@ -0,0 +1,30 @@
+var baseToPairs = require('./_baseToPairs'),
+    getTag = require('./_getTag'),
+    mapToArray = require('./_mapToArray'),
+    setToPairs = require('./_setToPairs');
+
+/** `Object#toString` result references. */
+var mapTag = '[object Map]',
+    setTag = '[object Set]';
+
+/**
+ * Creates a `_.toPairs` or `_.toPairsIn` function.
+ *
+ * @private
+ * @param {Function} keysFunc The function to get the keys of a given object.
+ * @returns {Function} Returns the new pairs function.
+ */
+function createToPairs(keysFunc) {
+  return function(object) {
+    var tag = getTag(object);
+    if (tag == mapTag) {
+      return mapToArray(object);
+    }
+    if (tag == setTag) {
+      return setToPairs(object);
+    }
+    return baseToPairs(object, keysFunc(object));
+  };
+}
+
+module.exports = createToPairs;
diff --git a/web/public/node_modules/lodash/_createWrap.js b/web/public/node_modules/lodash/_createWrap.js
new file mode 100644
index 000000000..33f0633e4
--- /dev/null
+++ b/web/public/node_modules/lodash/_createWrap.js
@@ -0,0 +1,106 @@
+var baseSetData = require('./_baseSetData'),
+    createBind = require('./_createBind'),
+    createCurry = require('./_createCurry'),
+    createHybrid = require('./_createHybrid'),
+    createPartial = require('./_createPartial'),
+    getData = require('./_getData'),
+    mergeData = require('./_mergeData'),
+    setData = require('./_setData'),
+    setWrapToString = require('./_setWrapToString'),
+    toInteger = require('./toInteger');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_BIND_KEY_FLAG = 2,
+    WRAP_CURRY_FLAG = 8,
+    WRAP_CURRY_RIGHT_FLAG = 16,
+    WRAP_PARTIAL_FLAG = 32,
+    WRAP_PARTIAL_RIGHT_FLAG = 64;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * Creates a function that either curries or invokes `func` with optional
+ * `this` binding and partially applied arguments.
+ *
+ * @private
+ * @param {Function|string} func The function or method name to wrap.
+ * @param {number} bitmask The bitmask flags.
+ *    1 - `_.bind`
+ *    2 - `_.bindKey`
+ *    4 - `_.curry` or `_.curryRight` of a bound function
+ *    8 - `_.curry`
+ *   16 - `_.curryRight`
+ *   32 - `_.partial`
+ *   64 - `_.partialRight`
+ *  128 - `_.rearg`
+ *  256 - `_.ary`
+ *  512 - `_.flip`
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @param {Array} [partials] The arguments to be partially applied.
+ * @param {Array} [holders] The `partials` placeholder indexes.
+ * @param {Array} [argPos] The argument positions of the new function.
+ * @param {number} [ary] The arity cap of `func`.
+ * @param {number} [arity] The arity of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
+  var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
+  if (!isBindKey && typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  var length = partials ? partials.length : 0;
+  if (!length) {
+    bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
+    partials = holders = undefined;
+  }
+  ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
+  arity = arity === undefined ? arity : toInteger(arity);
+  length -= holders ? holders.length : 0;
+
+  if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
+    var partialsRight = partials,
+        holdersRight = holders;
+
+    partials = holders = undefined;
+  }
+  var data = isBindKey ? undefined : getData(func);
+
+  var newData = [
+    func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
+    argPos, ary, arity
+  ];
+
+  if (data) {
+    mergeData(newData, data);
+  }
+  func = newData[0];
+  bitmask = newData[1];
+  thisArg = newData[2];
+  partials = newData[3];
+  holders = newData[4];
+  arity = newData[9] = newData[9] === undefined
+    ? (isBindKey ? 0 : func.length)
+    : nativeMax(newData[9] - length, 0);
+
+  if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
+    bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
+  }
+  if (!bitmask || bitmask == WRAP_BIND_FLAG) {
+    var result = createBind(func, bitmask, thisArg);
+  } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
+    result = createCurry(func, bitmask, arity);
+  } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
+    result = createPartial(func, bitmask, thisArg, partials);
+  } else {
+    result = createHybrid.apply(undefined, newData);
+  }
+  var setter = data ? baseSetData : setData;
+  return setWrapToString(setter(result, newData), func, bitmask);
+}
+
+module.exports = createWrap;
diff --git a/web/public/node_modules/lodash/_customDefaultsAssignIn.js b/web/public/node_modules/lodash/_customDefaultsAssignIn.js
new file mode 100644
index 000000000..1f49e6fc4
--- /dev/null
+++ b/web/public/node_modules/lodash/_customDefaultsAssignIn.js
@@ -0,0 +1,29 @@
+var eq = require('./eq');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+ * of source objects to the destination object for all destination properties
+ * that resolve to `undefined`.
+ *
+ * @private
+ * @param {*} objValue The destination value.
+ * @param {*} srcValue The source value.
+ * @param {string} key The key of the property to assign.
+ * @param {Object} object The parent object of `objValue`.
+ * @returns {*} Returns the value to assign.
+ */
+function customDefaultsAssignIn(objValue, srcValue, key, object) {
+  if (objValue === undefined ||
+      (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+    return srcValue;
+  }
+  return objValue;
+}
+
+module.exports = customDefaultsAssignIn;
diff --git a/web/public/node_modules/lodash/_customDefaultsMerge.js b/web/public/node_modules/lodash/_customDefaultsMerge.js
new file mode 100644
index 000000000..4cab31751
--- /dev/null
+++ b/web/public/node_modules/lodash/_customDefaultsMerge.js
@@ -0,0 +1,28 @@
+var baseMerge = require('./_baseMerge'),
+    isObject = require('./isObject');
+
+/**
+ * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+ * objects into destination objects that are passed thru.
+ *
+ * @private
+ * @param {*} objValue The destination value.
+ * @param {*} srcValue The source value.
+ * @param {string} key The key of the property to merge.
+ * @param {Object} object The parent object of `objValue`.
+ * @param {Object} source The parent object of `srcValue`.
+ * @param {Object} [stack] Tracks traversed source values and their merged
+ *  counterparts.
+ * @returns {*} Returns the value to assign.
+ */
+function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+  if (isObject(objValue) && isObject(srcValue)) {
+    // Recursively merge objects and arrays (susceptible to call stack limits).
+    stack.set(srcValue, objValue);
+    baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
+    stack['delete'](srcValue);
+  }
+  return objValue;
+}
+
+module.exports = customDefaultsMerge;
diff --git a/web/public/node_modules/lodash/_customOmitClone.js b/web/public/node_modules/lodash/_customOmitClone.js
new file mode 100644
index 000000000..968db2ef3
--- /dev/null
+++ b/web/public/node_modules/lodash/_customOmitClone.js
@@ -0,0 +1,16 @@
+var isPlainObject = require('./isPlainObject');
+
+/**
+ * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+ * objects.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @param {string} key The key of the property to inspect.
+ * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
+ */
+function customOmitClone(value) {
+  return isPlainObject(value) ? undefined : value;
+}
+
+module.exports = customOmitClone;
diff --git a/web/public/node_modules/lodash/_deburrLetter.js b/web/public/node_modules/lodash/_deburrLetter.js
new file mode 100644
index 000000000..3e531edcf
--- /dev/null
+++ b/web/public/node_modules/lodash/_deburrLetter.js
@@ -0,0 +1,71 @@
+var basePropertyOf = require('./_basePropertyOf');
+
+/** Used to map Latin Unicode letters to basic Latin letters. */
+var deburredLetters = {
+  // Latin-1 Supplement block.
+  '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
+  '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
+  '\xc7': 'C',  '\xe7': 'c',
+  '\xd0': 'D',  '\xf0': 'd',
+  '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
+  '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
+  '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
+  '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
+  '\xd1': 'N',  '\xf1': 'n',
+  '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
+  '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
+  '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
+  '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
+  '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
+  '\xc6': 'Ae', '\xe6': 'ae',
+  '\xde': 'Th', '\xfe': 'th',
+  '\xdf': 'ss',
+  // Latin Extended-A block.
+  '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
+  '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
+  '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
+  '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
+  '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
+  '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
+  '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
+  '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
+  '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
+  '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
+  '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
+  '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
+  '\u0134': 'J',  '\u0135': 'j',
+  '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
+  '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
+  '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
+  '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
+  '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
+  '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
+  '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
+  '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
+  '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
+  '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
+  '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
+  '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
+  '\u0163': 't',  '\u0165': 't', '\u0167': 't',
+  '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
+  '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
+  '\u0174': 'W',  '\u0175': 'w',
+  '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
+  '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
+  '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
+  '\u0132': 'IJ', '\u0133': 'ij',
+  '\u0152': 'Oe', '\u0153': 'oe',
+  '\u0149': "'n", '\u017f': 's'
+};
+
+/**
+ * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
+ * letters to basic Latin letters.
+ *
+ * @private
+ * @param {string} letter The matched letter to deburr.
+ * @returns {string} Returns the deburred letter.
+ */
+var deburrLetter = basePropertyOf(deburredLetters);
+
+module.exports = deburrLetter;
diff --git a/web/public/node_modules/lodash/_defineProperty.js b/web/public/node_modules/lodash/_defineProperty.js
new file mode 100644
index 000000000..b6116d92a
--- /dev/null
+++ b/web/public/node_modules/lodash/_defineProperty.js
@@ -0,0 +1,11 @@
+var getNative = require('./_getNative');
+
+var defineProperty = (function() {
+  try {
+    var func = getNative(Object, 'defineProperty');
+    func({}, '', {});
+    return func;
+  } catch (e) {}
+}());
+
+module.exports = defineProperty;
diff --git a/web/public/node_modules/lodash/_equalArrays.js b/web/public/node_modules/lodash/_equalArrays.js
new file mode 100644
index 000000000..824228c78
--- /dev/null
+++ b/web/public/node_modules/lodash/_equalArrays.js
@@ -0,0 +1,84 @@
+var SetCache = require('./_SetCache'),
+    arraySome = require('./_arraySome'),
+    cacheHas = require('./_cacheHas');
+
+/** Used to compose bitmasks for value comparisons. */
+var COMPARE_PARTIAL_FLAG = 1,
+    COMPARE_UNORDERED_FLAG = 2;
+
+/**
+ * A specialized version of `baseIsEqualDeep` for arrays with support for
+ * partial deep comparisons.
+ *
+ * @private
+ * @param {Array} array The array to compare.
+ * @param {Array} other The other array to compare.
+ * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Object} stack Tracks traversed `array` and `other` objects.
+ * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+ */
+function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+      arrLength = array.length,
+      othLength = other.length;
+
+  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+    return false;
+  }
+  // Check that cyclic values are equal.
+  var arrStacked = stack.get(array);
+  var othStacked = stack.get(other);
+  if (arrStacked && othStacked) {
+    return arrStacked == other && othStacked == array;
+  }
+  var index = -1,
+      result = true,
+      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+
+  stack.set(array, other);
+  stack.set(other, array);
+
+  // Ignore non-index properties.
+  while (++index < arrLength) {
+    var arrValue = array[index],
+        othValue = other[index];
+
+    if (customizer) {
+      var compared = isPartial
+        ? customizer(othValue, arrValue, index, other, array, stack)
+        : customizer(arrValue, othValue, index, array, other, stack);
+    }
+    if (compared !== undefined) {
+      if (compared) {
+        continue;
+      }
+      result = false;
+      break;
+    }
+    // Recursively compare arrays (susceptible to call stack limits).
+    if (seen) {
+      if (!arraySome(other, function(othValue, othIndex) {
+            if (!cacheHas(seen, othIndex) &&
+                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+              return seen.push(othIndex);
+            }
+          })) {
+        result = false;
+        break;
+      }
+    } else if (!(
+          arrValue === othValue ||
+            equalFunc(arrValue, othValue, bitmask, customizer, stack)
+        )) {
+      result = false;
+      break;
+    }
+  }
+  stack['delete'](array);
+  stack['delete'](other);
+  return result;
+}
+
+module.exports = equalArrays;
diff --git a/web/public/node_modules/lodash/_equalByTag.js b/web/public/node_modules/lodash/_equalByTag.js
new file mode 100644
index 000000000..71919e867
--- /dev/null
+++ b/web/public/node_modules/lodash/_equalByTag.js
@@ -0,0 +1,112 @@
+var Symbol = require('./_Symbol'),
+    Uint8Array = require('./_Uint8Array'),
+    eq = require('./eq'),
+    equalArrays = require('./_equalArrays'),
+    mapToArray = require('./_mapToArray'),
+    setToArray = require('./_setToArray');
+
+/** Used to compose bitmasks for value comparisons. */
+var COMPARE_PARTIAL_FLAG = 1,
+    COMPARE_UNORDERED_FLAG = 2;
+
+/** `Object#toString` result references. */
+var boolTag = '[object Boolean]',
+    dateTag = '[object Date]',
+    errorTag = '[object Error]',
+    mapTag = '[object Map]',
+    numberTag = '[object Number]',
+    regexpTag = '[object RegExp]',
+    setTag = '[object Set]',
+    stringTag = '[object String]',
+    symbolTag = '[object Symbol]';
+
+var arrayBufferTag = '[object ArrayBuffer]',
+    dataViewTag = '[object DataView]';
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = Symbol ? Symbol.prototype : undefined,
+    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;
+
+/**
+ * A specialized version of `baseIsEqualDeep` for comparing objects of
+ * the same `toStringTag`.
+ *
+ * **Note:** This function only supports comparing values with tags of
+ * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {string} tag The `toStringTag` of the objects to compare.
+ * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Object} stack Tracks traversed `object` and `other` objects.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+  switch (tag) {
+    case dataViewTag:
+      if ((object.byteLength != other.byteLength) ||
+          (object.byteOffset != other.byteOffset)) {
+        return false;
+      }
+      object = object.buffer;
+      other = other.buffer;
+
+    case arrayBufferTag:
+      if ((object.byteLength != other.byteLength) ||
+          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
+        return false;
+      }
+      return true;
+
+    case boolTag:
+    case dateTag:
+    case numberTag:
+      // Coerce booleans to `1` or `0` and dates to milliseconds.
+      // Invalid dates are coerced to `NaN`.
+      return eq(+object, +other);
+
+    case errorTag:
+      return object.name == other.name && object.message == other.message;
+
+    case regexpTag:
+    case stringTag:
+      // Coerce regexes to strings and treat strings, primitives and objects,
+      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+      // for more details.
+      return object == (other + '');
+
+    case mapTag:
+      var convert = mapToArray;
+
+    case setTag:
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
+      convert || (convert = setToArray);
+
+      if (object.size != other.size && !isPartial) {
+        return false;
+      }
+      // Assume cyclic values are equal.
+      var stacked = stack.get(object);
+      if (stacked) {
+        return stacked == other;
+      }
+      bitmask |= COMPARE_UNORDERED_FLAG;
+
+      // Recursively compare objects (susceptible to call stack limits).
+      stack.set(object, other);
+      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+      stack['delete'](object);
+      return result;
+
+    case symbolTag:
+      if (symbolValueOf) {
+        return symbolValueOf.call(object) == symbolValueOf.call(other);
+      }
+  }
+  return false;
+}
+
+module.exports = equalByTag;
diff --git a/web/public/node_modules/lodash/_equalObjects.js b/web/public/node_modules/lodash/_equalObjects.js
new file mode 100644
index 000000000..cdaacd2df
--- /dev/null
+++ b/web/public/node_modules/lodash/_equalObjects.js
@@ -0,0 +1,90 @@
+var getAllKeys = require('./_getAllKeys');
+
+/** Used to compose bitmasks for value comparisons. */
+var COMPARE_PARTIAL_FLAG = 1;
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * A specialized version of `baseIsEqualDeep` for objects with support for
+ * partial deep comparisons.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Object} stack Tracks traversed `object` and `other` objects.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+      objProps = getAllKeys(object),
+      objLength = objProps.length,
+      othProps = getAllKeys(other),
+      othLength = othProps.length;
+
+  if (objLength != othLength && !isPartial) {
+    return false;
+  }
+  var index = objLength;
+  while (index--) {
+    var key = objProps[index];
+    if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+      return false;
+    }
+  }
+  // Check that cyclic values are equal.
+  var objStacked = stack.get(object);
+  var othStacked = stack.get(other);
+  if (objStacked && othStacked) {
+    return objStacked == other && othStacked == object;
+  }
+  var result = true;
+  stack.set(object, other);
+  stack.set(other, object);
+
+  var skipCtor = isPartial;
+  while (++index < objLength) {
+    key = objProps[index];
+    var objValue = object[key],
+        othValue = other[key];
+
+    if (customizer) {
+      var compared = isPartial
+        ? customizer(othValue, objValue, key, other, object, stack)
+        : customizer(objValue, othValue, key, object, other, stack);
+    }
+    // Recursively compare objects (susceptible to call stack limits).
+    if (!(compared === undefined
+          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+          : compared
+        )) {
+      result = false;
+      break;
+    }
+    skipCtor || (skipCtor = key == 'constructor');
+  }
+  if (result && !skipCtor) {
+    var objCtor = object.constructor,
+        othCtor = other.constructor;
+
+    // Non `Object` object instances with different constructors are not equal.
+    if (objCtor != othCtor &&
+        ('constructor' in object && 'constructor' in other) &&
+        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+      result = false;
+    }
+  }
+  stack['delete'](object);
+  stack['delete'](other);
+  return result;
+}
+
+module.exports = equalObjects;
diff --git a/web/public/node_modules/lodash/_escapeHtmlChar.js b/web/public/node_modules/lodash/_escapeHtmlChar.js
new file mode 100644
index 000000000..7ca68ee62
--- /dev/null
+++ b/web/public/node_modules/lodash/_escapeHtmlChar.js
@@ -0,0 +1,21 @@
+var basePropertyOf = require('./_basePropertyOf');
+
+/** Used to map characters to HTML entities. */
+var htmlEscapes = {
+  '&': '&amp;',
+  '<': '&lt;',
+  '>': '&gt;',
+  '"': '&quot;',
+  "'": '&#39;'
+};
+
+/**
+ * Used by `_.escape` to convert characters to HTML entities.
+ *
+ * @private
+ * @param {string} chr The matched character to escape.
+ * @returns {string} Returns the escaped character.
+ */
+var escapeHtmlChar = basePropertyOf(htmlEscapes);
+
+module.exports = escapeHtmlChar;
diff --git a/web/public/node_modules/lodash/_escapeStringChar.js b/web/public/node_modules/lodash/_escapeStringChar.js
new file mode 100644
index 000000000..44eca96ca
--- /dev/null
+++ b/web/public/node_modules/lodash/_escapeStringChar.js
@@ -0,0 +1,22 @@
+/** Used to escape characters for inclusion in compiled string literals. */
+var stringEscapes = {
+  '\\': '\\',
+  "'": "'",
+  '\n': 'n',
+  '\r': 'r',
+  '\u2028': 'u2028',
+  '\u2029': 'u2029'
+};
+
+/**
+ * Used by `_.template` to escape characters for inclusion in compiled string literals.
+ *
+ * @private
+ * @param {string} chr The matched character to escape.
+ * @returns {string} Returns the escaped character.
+ */
+function escapeStringChar(chr) {
+  return '\\' + stringEscapes[chr];
+}
+
+module.exports = escapeStringChar;
diff --git a/web/public/node_modules/lodash/_flatRest.js b/web/public/node_modules/lodash/_flatRest.js
new file mode 100644
index 000000000..94ab6cca7
--- /dev/null
+++ b/web/public/node_modules/lodash/_flatRest.js
@@ -0,0 +1,16 @@
+var flatten = require('./flatten'),
+    overRest = require('./_overRest'),
+    setToString = require('./_setToString');
+
+/**
+ * A specialized version of `baseRest` which flattens the rest array.
+ *
+ * @private
+ * @param {Function} func The function to apply a rest parameter to.
+ * @returns {Function} Returns the new function.
+ */
+function flatRest(func) {
+  return setToString(overRest(func, undefined, flatten), func + '');
+}
+
+module.exports = flatRest;
diff --git a/web/public/node_modules/lodash/_freeGlobal.js b/web/public/node_modules/lodash/_freeGlobal.js
new file mode 100644
index 000000000..bbec998fc
--- /dev/null
+++ b/web/public/node_modules/lodash/_freeGlobal.js
@@ -0,0 +1,4 @@
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+module.exports = freeGlobal;
diff --git a/web/public/node_modules/lodash/_getAllKeys.js b/web/public/node_modules/lodash/_getAllKeys.js
new file mode 100644
index 000000000..a9ce6995a
--- /dev/null
+++ b/web/public/node_modules/lodash/_getAllKeys.js
@@ -0,0 +1,16 @@
+var baseGetAllKeys = require('./_baseGetAllKeys'),
+    getSymbols = require('./_getSymbols'),
+    keys = require('./keys');
+
+/**
+ * Creates an array of own enumerable property names and symbols of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names and symbols.
+ */
+function getAllKeys(object) {
+  return baseGetAllKeys(object, keys, getSymbols);
+}
+
+module.exports = getAllKeys;
diff --git a/web/public/node_modules/lodash/_getAllKeysIn.js b/web/public/node_modules/lodash/_getAllKeysIn.js
new file mode 100644
index 000000000..1b4667841
--- /dev/null
+++ b/web/public/node_modules/lodash/_getAllKeysIn.js
@@ -0,0 +1,17 @@
+var baseGetAllKeys = require('./_baseGetAllKeys'),
+    getSymbolsIn = require('./_getSymbolsIn'),
+    keysIn = require('./keysIn');
+
+/**
+ * Creates an array of own and inherited enumerable property names and
+ * symbols of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names and symbols.
+ */
+function getAllKeysIn(object) {
+  return baseGetAllKeys(object, keysIn, getSymbolsIn);
+}
+
+module.exports = getAllKeysIn;
diff --git a/web/public/node_modules/lodash/_getData.js b/web/public/node_modules/lodash/_getData.js
new file mode 100644
index 000000000..a1fe7b779
--- /dev/null
+++ b/web/public/node_modules/lodash/_getData.js
@@ -0,0 +1,15 @@
+var metaMap = require('./_metaMap'),
+    noop = require('./noop');
+
+/**
+ * Gets metadata for `func`.
+ *
+ * @private
+ * @param {Function} func The function to query.
+ * @returns {*} Returns the metadata for `func`.
+ */
+var getData = !metaMap ? noop : function(func) {
+  return metaMap.get(func);
+};
+
+module.exports = getData;
diff --git a/web/public/node_modules/lodash/_getFuncName.js b/web/public/node_modules/lodash/_getFuncName.js
new file mode 100644
index 000000000..21e15b337
--- /dev/null
+++ b/web/public/node_modules/lodash/_getFuncName.js
@@ -0,0 +1,31 @@
+var realNames = require('./_realNames');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Gets the name of `func`.
+ *
+ * @private
+ * @param {Function} func The function to query.
+ * @returns {string} Returns the function name.
+ */
+function getFuncName(func) {
+  var result = (func.name + ''),
+      array = realNames[result],
+      length = hasOwnProperty.call(realNames, result) ? array.length : 0;
+
+  while (length--) {
+    var data = array[length],
+        otherFunc = data.func;
+    if (otherFunc == null || otherFunc == func) {
+      return data.name;
+    }
+  }
+  return result;
+}
+
+module.exports = getFuncName;
diff --git a/web/public/node_modules/lodash/_getHolder.js b/web/public/node_modules/lodash/_getHolder.js
new file mode 100644
index 000000000..65e94b5c2
--- /dev/null
+++ b/web/public/node_modules/lodash/_getHolder.js
@@ -0,0 +1,13 @@
+/**
+ * Gets the argument placeholder value for `func`.
+ *
+ * @private
+ * @param {Function} func The function to inspect.
+ * @returns {*} Returns the placeholder value.
+ */
+function getHolder(func) {
+  var object = func;
+  return object.placeholder;
+}
+
+module.exports = getHolder;
diff --git a/web/public/node_modules/lodash/_getMapData.js b/web/public/node_modules/lodash/_getMapData.js
new file mode 100644
index 000000000..17f63032e
--- /dev/null
+++ b/web/public/node_modules/lodash/_getMapData.js
@@ -0,0 +1,18 @@
+var isKeyable = require('./_isKeyable');
+
+/**
+ * Gets the data for `map`.
+ *
+ * @private
+ * @param {Object} map The map to query.
+ * @param {string} key The reference key.
+ * @returns {*} Returns the map data.
+ */
+function getMapData(map, key) {
+  var data = map.__data__;
+  return isKeyable(key)
+    ? data[typeof key == 'string' ? 'string' : 'hash']
+    : data.map;
+}
+
+module.exports = getMapData;
diff --git a/web/public/node_modules/lodash/_getMatchData.js b/web/public/node_modules/lodash/_getMatchData.js
new file mode 100644
index 000000000..2cc70f917
--- /dev/null
+++ b/web/public/node_modules/lodash/_getMatchData.js
@@ -0,0 +1,24 @@
+var isStrictComparable = require('./_isStrictComparable'),
+    keys = require('./keys');
+
+/**
+ * Gets the property names, values, and compare flags of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the match data of `object`.
+ */
+function getMatchData(object) {
+  var result = keys(object),
+      length = result.length;
+
+  while (length--) {
+    var key = result[length],
+        value = object[key];
+
+    result[length] = [key, value, isStrictComparable(value)];
+  }
+  return result;
+}
+
+module.exports = getMatchData;
diff --git a/web/public/node_modules/lodash/_getNative.js b/web/public/node_modules/lodash/_getNative.js
new file mode 100644
index 000000000..97a622b83
--- /dev/null
+++ b/web/public/node_modules/lodash/_getNative.js
@@ -0,0 +1,17 @@
+var baseIsNative = require('./_baseIsNative'),
+    getValue = require('./_getValue');
+
+/**
+ * Gets the native function at `key` of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {string} key The key of the method to get.
+ * @returns {*} Returns the function if it's native, else `undefined`.
+ */
+function getNative(object, key) {
+  var value = getValue(object, key);
+  return baseIsNative(value) ? value : undefined;
+}
+
+module.exports = getNative;
diff --git a/web/public/node_modules/lodash/_getPrototype.js b/web/public/node_modules/lodash/_getPrototype.js
new file mode 100644
index 000000000..e80861212
--- /dev/null
+++ b/web/public/node_modules/lodash/_getPrototype.js
@@ -0,0 +1,6 @@
+var overArg = require('./_overArg');
+
+/** Built-in value references. */
+var getPrototype = overArg(Object.getPrototypeOf, Object);
+
+module.exports = getPrototype;
diff --git a/web/public/node_modules/lodash/_getRawTag.js b/web/public/node_modules/lodash/_getRawTag.js
new file mode 100644
index 000000000..49a95c9c6
--- /dev/null
+++ b/web/public/node_modules/lodash/_getRawTag.js
@@ -0,0 +1,46 @@
+var Symbol = require('./_Symbol');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/** Built-in value references. */
+var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+/**
+ * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the raw `toStringTag`.
+ */
+function getRawTag(value) {
+  var isOwn = hasOwnProperty.call(value, symToStringTag),
+      tag = value[symToStringTag];
+
+  try {
+    value[symToStringTag] = undefined;
+    var unmasked = true;
+  } catch (e) {}
+
+  var result = nativeObjectToString.call(value);
+  if (unmasked) {
+    if (isOwn) {
+      value[symToStringTag] = tag;
+    } else {
+      delete value[symToStringTag];
+    }
+  }
+  return result;
+}
+
+module.exports = getRawTag;
diff --git a/web/public/node_modules/lodash/_getSymbols.js b/web/public/node_modules/lodash/_getSymbols.js
new file mode 100644
index 000000000..7d6eafebb
--- /dev/null
+++ b/web/public/node_modules/lodash/_getSymbols.js
@@ -0,0 +1,30 @@
+var arrayFilter = require('./_arrayFilter'),
+    stubArray = require('./stubArray');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Built-in value references. */
+var propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeGetSymbols = Object.getOwnPropertySymbols;
+
+/**
+ * Creates an array of the own enumerable symbols of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of symbols.
+ */
+var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+  if (object == null) {
+    return [];
+  }
+  object = Object(object);
+  return arrayFilter(nativeGetSymbols(object), function(symbol) {
+    return propertyIsEnumerable.call(object, symbol);
+  });
+};
+
+module.exports = getSymbols;
diff --git a/web/public/node_modules/lodash/_getSymbolsIn.js b/web/public/node_modules/lodash/_getSymbolsIn.js
new file mode 100644
index 000000000..cec0855a4
--- /dev/null
+++ b/web/public/node_modules/lodash/_getSymbolsIn.js
@@ -0,0 +1,25 @@
+var arrayPush = require('./_arrayPush'),
+    getPrototype = require('./_getPrototype'),
+    getSymbols = require('./_getSymbols'),
+    stubArray = require('./stubArray');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeGetSymbols = Object.getOwnPropertySymbols;
+
+/**
+ * Creates an array of the own and inherited enumerable symbols of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of symbols.
+ */
+var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
+  var result = [];
+  while (object) {
+    arrayPush(result, getSymbols(object));
+    object = getPrototype(object);
+  }
+  return result;
+};
+
+module.exports = getSymbolsIn;
diff --git a/web/public/node_modules/lodash/_getTag.js b/web/public/node_modules/lodash/_getTag.js
new file mode 100644
index 000000000..deaf89d58
--- /dev/null
+++ b/web/public/node_modules/lodash/_getTag.js
@@ -0,0 +1,58 @@
+var DataView = require('./_DataView'),
+    Map = require('./_Map'),
+    Promise = require('./_Promise'),
+    Set = require('./_Set'),
+    WeakMap = require('./_WeakMap'),
+    baseGetTag = require('./_baseGetTag'),
+    toSource = require('./_toSource');
+
+/** `Object#toString` result references. */
+var mapTag = '[object Map]',
+    objectTag = '[object Object]',
+    promiseTag = '[object Promise]',
+    setTag = '[object Set]',
+    weakMapTag = '[object WeakMap]';
+
+var dataViewTag = '[object DataView]';
+
+/** Used to detect maps, sets, and weakmaps. */
+var dataViewCtorString = toSource(DataView),
+    mapCtorString = toSource(Map),
+    promiseCtorString = toSource(Promise),
+    setCtorString = toSource(Set),
+    weakMapCtorString = toSource(WeakMap);
+
+/**
+ * Gets the `toStringTag` of `value`.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+var getTag = baseGetTag;
+
+// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
+    (Map && getTag(new Map) != mapTag) ||
+    (Promise && getTag(Promise.resolve()) != promiseTag) ||
+    (Set && getTag(new Set) != setTag) ||
+    (WeakMap && getTag(new WeakMap) != weakMapTag)) {
+  getTag = function(value) {
+    var result = baseGetTag(value),
+        Ctor = result == objectTag ? value.constructor : undefined,
+        ctorString = Ctor ? toSource(Ctor) : '';
+
+    if (ctorString) {
+      switch (ctorString) {
+        case dataViewCtorString: return dataViewTag;
+        case mapCtorString: return mapTag;
+        case promiseCtorString: return promiseTag;
+        case setCtorString: return setTag;
+        case weakMapCtorString: return weakMapTag;
+      }
+    }
+    return result;
+  };
+}
+
+module.exports = getTag;
diff --git a/web/public/node_modules/lodash/_getValue.js b/web/public/node_modules/lodash/_getValue.js
new file mode 100644
index 000000000..5f7d77367
--- /dev/null
+++ b/web/public/node_modules/lodash/_getValue.js
@@ -0,0 +1,13 @@
+/**
+ * Gets the value at `key` of `object`.
+ *
+ * @private
+ * @param {Object} [object] The object to query.
+ * @param {string} key The key of the property to get.
+ * @returns {*} Returns the property value.
+ */
+function getValue(object, key) {
+  return object == null ? undefined : object[key];
+}
+
+module.exports = getValue;
diff --git a/web/public/node_modules/lodash/_getView.js b/web/public/node_modules/lodash/_getView.js
new file mode 100644
index 000000000..df1e5d44b
--- /dev/null
+++ b/web/public/node_modules/lodash/_getView.js
@@ -0,0 +1,33 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max,
+    nativeMin = Math.min;
+
+/**
+ * Gets the view, applying any `transforms` to the `start` and `end` positions.
+ *
+ * @private
+ * @param {number} start The start of the view.
+ * @param {number} end The end of the view.
+ * @param {Array} transforms The transformations to apply to the view.
+ * @returns {Object} Returns an object containing the `start` and `end`
+ *  positions of the view.
+ */
+function getView(start, end, transforms) {
+  var index = -1,
+      length = transforms.length;
+
+  while (++index < length) {
+    var data = transforms[index],
+        size = data.size;
+
+    switch (data.type) {
+      case 'drop':      start += size; break;
+      case 'dropRight': end -= size; break;
+      case 'take':      end = nativeMin(end, start + size); break;
+      case 'takeRight': start = nativeMax(start, end - size); break;
+    }
+  }
+  return { 'start': start, 'end': end };
+}
+
+module.exports = getView;
diff --git a/web/public/node_modules/lodash/_getWrapDetails.js b/web/public/node_modules/lodash/_getWrapDetails.js
new file mode 100644
index 000000000..3bcc6e48a
--- /dev/null
+++ b/web/public/node_modules/lodash/_getWrapDetails.js
@@ -0,0 +1,17 @@
+/** Used to match wrap detail comments. */
+var reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
+    reSplitDetails = /,? & /;
+
+/**
+ * Extracts wrapper details from the `source` body comment.
+ *
+ * @private
+ * @param {string} source The source to inspect.
+ * @returns {Array} Returns the wrapper details.
+ */
+function getWrapDetails(source) {
+  var match = source.match(reWrapDetails);
+  return match ? match[1].split(reSplitDetails) : [];
+}
+
+module.exports = getWrapDetails;
diff --git a/web/public/node_modules/lodash/_hasPath.js b/web/public/node_modules/lodash/_hasPath.js
new file mode 100644
index 000000000..93dbde152
--- /dev/null
+++ b/web/public/node_modules/lodash/_hasPath.js
@@ -0,0 +1,39 @@
+var castPath = require('./_castPath'),
+    isArguments = require('./isArguments'),
+    isArray = require('./isArray'),
+    isIndex = require('./_isIndex'),
+    isLength = require('./isLength'),
+    toKey = require('./_toKey');
+
+/**
+ * Checks if `path` exists on `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path to check.
+ * @param {Function} hasFunc The function to check properties.
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
+ */
+function hasPath(object, path, hasFunc) {
+  path = castPath(path, object);
+
+  var index = -1,
+      length = path.length,
+      result = false;
+
+  while (++index < length) {
+    var key = toKey(path[index]);
+    if (!(result = object != null && hasFunc(object, key))) {
+      break;
+    }
+    object = object[key];
+  }
+  if (result || ++index != length) {
+    return result;
+  }
+  length = object == null ? 0 : object.length;
+  return !!length && isLength(length) && isIndex(key, length) &&
+    (isArray(object) || isArguments(object));
+}
+
+module.exports = hasPath;
diff --git a/web/public/node_modules/lodash/_hasUnicode.js b/web/public/node_modules/lodash/_hasUnicode.js
new file mode 100644
index 000000000..cb6ca15f6
--- /dev/null
+++ b/web/public/node_modules/lodash/_hasUnicode.js
@@ -0,0 +1,26 @@
+/** Used to compose unicode character classes. */
+var rsAstralRange = '\\ud800-\\udfff',
+    rsComboMarksRange = '\\u0300-\\u036f',
+    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+    rsVarRange = '\\ufe0e\\ufe0f';
+
+/** Used to compose unicode capture groups. */
+var rsZWJ = '\\u200d';
+
+/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+/**
+ * Checks if `string` contains Unicode symbols.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+ */
+function hasUnicode(string) {
+  return reHasUnicode.test(string);
+}
+
+module.exports = hasUnicode;
diff --git a/web/public/node_modules/lodash/_hasUnicodeWord.js b/web/public/node_modules/lodash/_hasUnicodeWord.js
new file mode 100644
index 000000000..95d52c444
--- /dev/null
+++ b/web/public/node_modules/lodash/_hasUnicodeWord.js
@@ -0,0 +1,15 @@
+/** Used to detect strings that need a more robust regexp to match words. */
+var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+
+/**
+ * Checks if `string` contains a word composed of Unicode symbols.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {boolean} Returns `true` if a word is found, else `false`.
+ */
+function hasUnicodeWord(string) {
+  return reHasUnicodeWord.test(string);
+}
+
+module.exports = hasUnicodeWord;
diff --git a/web/public/node_modules/lodash/_hashClear.js b/web/public/node_modules/lodash/_hashClear.js
new file mode 100644
index 000000000..5d4b70cc4
--- /dev/null
+++ b/web/public/node_modules/lodash/_hashClear.js
@@ -0,0 +1,15 @@
+var nativeCreate = require('./_nativeCreate');
+
+/**
+ * Removes all key-value entries from the hash.
+ *
+ * @private
+ * @name clear
+ * @memberOf Hash
+ */
+function hashClear() {
+  this.__data__ = nativeCreate ? nativeCreate(null) : {};
+  this.size = 0;
+}
+
+module.exports = hashClear;
diff --git a/web/public/node_modules/lodash/_hashDelete.js b/web/public/node_modules/lodash/_hashDelete.js
new file mode 100644
index 000000000..ea9dabf13
--- /dev/null
+++ b/web/public/node_modules/lodash/_hashDelete.js
@@ -0,0 +1,17 @@
+/**
+ * Removes `key` and its value from the hash.
+ *
+ * @private
+ * @name delete
+ * @memberOf Hash
+ * @param {Object} hash The hash to modify.
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function hashDelete(key) {
+  var result = this.has(key) && delete this.__data__[key];
+  this.size -= result ? 1 : 0;
+  return result;
+}
+
+module.exports = hashDelete;
diff --git a/web/public/node_modules/lodash/_hashGet.js b/web/public/node_modules/lodash/_hashGet.js
new file mode 100644
index 000000000..1fc2f34b1
--- /dev/null
+++ b/web/public/node_modules/lodash/_hashGet.js
@@ -0,0 +1,30 @@
+var nativeCreate = require('./_nativeCreate');
+
+/** Used to stand-in for `undefined` hash values. */
+var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Gets the hash value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf Hash
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function hashGet(key) {
+  var data = this.__data__;
+  if (nativeCreate) {
+    var result = data[key];
+    return result === HASH_UNDEFINED ? undefined : result;
+  }
+  return hasOwnProperty.call(data, key) ? data[key] : undefined;
+}
+
+module.exports = hashGet;
diff --git a/web/public/node_modules/lodash/_hashHas.js b/web/public/node_modules/lodash/_hashHas.js
new file mode 100644
index 000000000..281a5517c
--- /dev/null
+++ b/web/public/node_modules/lodash/_hashHas.js
@@ -0,0 +1,23 @@
+var nativeCreate = require('./_nativeCreate');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Checks if a hash value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf Hash
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function hashHas(key) {
+  var data = this.__data__;
+  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
+}
+
+module.exports = hashHas;
diff --git a/web/public/node_modules/lodash/_hashSet.js b/web/public/node_modules/lodash/_hashSet.js
new file mode 100644
index 000000000..e1055283e
--- /dev/null
+++ b/web/public/node_modules/lodash/_hashSet.js
@@ -0,0 +1,23 @@
+var nativeCreate = require('./_nativeCreate');
+
+/** Used to stand-in for `undefined` hash values. */
+var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+/**
+ * Sets the hash `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf Hash
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the hash instance.
+ */
+function hashSet(key, value) {
+  var data = this.__data__;
+  this.size += this.has(key) ? 0 : 1;
+  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+  return this;
+}
+
+module.exports = hashSet;
diff --git a/web/public/node_modules/lodash/_initCloneArray.js b/web/public/node_modules/lodash/_initCloneArray.js
new file mode 100644
index 000000000..078c15af9
--- /dev/null
+++ b/web/public/node_modules/lodash/_initCloneArray.js
@@ -0,0 +1,26 @@
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Initializes an array clone.
+ *
+ * @private
+ * @param {Array} array The array to clone.
+ * @returns {Array} Returns the initialized clone.
+ */
+function initCloneArray(array) {
+  var length = array.length,
+      result = new array.constructor(length);
+
+  // Add properties assigned by `RegExp#exec`.
+  if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
+    result.index = array.index;
+    result.input = array.input;
+  }
+  return result;
+}
+
+module.exports = initCloneArray;
diff --git a/web/public/node_modules/lodash/_initCloneByTag.js b/web/public/node_modules/lodash/_initCloneByTag.js
new file mode 100644
index 000000000..f69a008ca
--- /dev/null
+++ b/web/public/node_modules/lodash/_initCloneByTag.js
@@ -0,0 +1,77 @@
+var cloneArrayBuffer = require('./_cloneArrayBuffer'),
+    cloneDataView = require('./_cloneDataView'),
+    cloneRegExp = require('./_cloneRegExp'),
+    cloneSymbol = require('./_cloneSymbol'),
+    cloneTypedArray = require('./_cloneTypedArray');
+
+/** `Object#toString` result references. */
+var boolTag = '[object Boolean]',
+    dateTag = '[object Date]',
+    mapTag = '[object Map]',
+    numberTag = '[object Number]',
+    regexpTag = '[object RegExp]',
+    setTag = '[object Set]',
+    stringTag = '[object String]',
+    symbolTag = '[object Symbol]';
+
+var arrayBufferTag = '[object ArrayBuffer]',
+    dataViewTag = '[object DataView]',
+    float32Tag = '[object Float32Array]',
+    float64Tag = '[object Float64Array]',
+    int8Tag = '[object Int8Array]',
+    int16Tag = '[object Int16Array]',
+    int32Tag = '[object Int32Array]',
+    uint8Tag = '[object Uint8Array]',
+    uint8ClampedTag = '[object Uint8ClampedArray]',
+    uint16Tag = '[object Uint16Array]',
+    uint32Tag = '[object Uint32Array]';
+
+/**
+ * Initializes an object clone based on its `toStringTag`.
+ *
+ * **Note:** This function only supports cloning values with tags of
+ * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
+ *
+ * @private
+ * @param {Object} object The object to clone.
+ * @param {string} tag The `toStringTag` of the object to clone.
+ * @param {boolean} [isDeep] Specify a deep clone.
+ * @returns {Object} Returns the initialized clone.
+ */
+function initCloneByTag(object, tag, isDeep) {
+  var Ctor = object.constructor;
+  switch (tag) {
+    case arrayBufferTag:
+      return cloneArrayBuffer(object);
+
+    case boolTag:
+    case dateTag:
+      return new Ctor(+object);
+
+    case dataViewTag:
+      return cloneDataView(object, isDeep);
+
+    case float32Tag: case float64Tag:
+    case int8Tag: case int16Tag: case int32Tag:
+    case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
+      return cloneTypedArray(object, isDeep);
+
+    case mapTag:
+      return new Ctor;
+
+    case numberTag:
+    case stringTag:
+      return new Ctor(object);
+
+    case regexpTag:
+      return cloneRegExp(object);
+
+    case setTag:
+      return new Ctor;
+
+    case symbolTag:
+      return cloneSymbol(object);
+  }
+}
+
+module.exports = initCloneByTag;
diff --git a/web/public/node_modules/lodash/_initCloneObject.js b/web/public/node_modules/lodash/_initCloneObject.js
new file mode 100644
index 000000000..5a13e64a5
--- /dev/null
+++ b/web/public/node_modules/lodash/_initCloneObject.js
@@ -0,0 +1,18 @@
+var baseCreate = require('./_baseCreate'),
+    getPrototype = require('./_getPrototype'),
+    isPrototype = require('./_isPrototype');
+
+/**
+ * Initializes an object clone.
+ *
+ * @private
+ * @param {Object} object The object to clone.
+ * @returns {Object} Returns the initialized clone.
+ */
+function initCloneObject(object) {
+  return (typeof object.constructor == 'function' && !isPrototype(object))
+    ? baseCreate(getPrototype(object))
+    : {};
+}
+
+module.exports = initCloneObject;
diff --git a/web/public/node_modules/lodash/_insertWrapDetails.js b/web/public/node_modules/lodash/_insertWrapDetails.js
new file mode 100644
index 000000000..e79080864
--- /dev/null
+++ b/web/public/node_modules/lodash/_insertWrapDetails.js
@@ -0,0 +1,23 @@
+/** Used to match wrap detail comments. */
+var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/;
+
+/**
+ * Inserts wrapper `details` in a comment at the top of the `source` body.
+ *
+ * @private
+ * @param {string} source The source to modify.
+ * @returns {Array} details The details to insert.
+ * @returns {string} Returns the modified source.
+ */
+function insertWrapDetails(source, details) {
+  var length = details.length;
+  if (!length) {
+    return source;
+  }
+  var lastIndex = length - 1;
+  details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
+  details = details.join(length > 2 ? ', ' : ' ');
+  return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
+}
+
+module.exports = insertWrapDetails;
diff --git a/web/public/node_modules/lodash/_isFlattenable.js b/web/public/node_modules/lodash/_isFlattenable.js
new file mode 100644
index 000000000..4cc2c249c
--- /dev/null
+++ b/web/public/node_modules/lodash/_isFlattenable.js
@@ -0,0 +1,20 @@
+var Symbol = require('./_Symbol'),
+    isArguments = require('./isArguments'),
+    isArray = require('./isArray');
+
+/** Built-in value references. */
+var spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;
+
+/**
+ * Checks if `value` is a flattenable `arguments` object or array.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+ */
+function isFlattenable(value) {
+  return isArray(value) || isArguments(value) ||
+    !!(spreadableSymbol && value && value[spreadableSymbol]);
+}
+
+module.exports = isFlattenable;
diff --git a/web/public/node_modules/lodash/_isIndex.js b/web/public/node_modules/lodash/_isIndex.js
new file mode 100644
index 000000000..061cd390c
--- /dev/null
+++ b/web/public/node_modules/lodash/_isIndex.js
@@ -0,0 +1,25 @@
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/** Used to detect unsigned integer values. */
+var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+/**
+ * Checks if `value` is a valid array-like index.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+ * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+ */
+function isIndex(value, length) {
+  var type = typeof value;
+  length = length == null ? MAX_SAFE_INTEGER : length;
+
+  return !!length &&
+    (type == 'number' ||
+      (type != 'symbol' && reIsUint.test(value))) &&
+        (value > -1 && value % 1 == 0 && value < length);
+}
+
+module.exports = isIndex;
diff --git a/web/public/node_modules/lodash/_isIterateeCall.js b/web/public/node_modules/lodash/_isIterateeCall.js
new file mode 100644
index 000000000..a0bb5a9cf
--- /dev/null
+++ b/web/public/node_modules/lodash/_isIterateeCall.js
@@ -0,0 +1,30 @@
+var eq = require('./eq'),
+    isArrayLike = require('./isArrayLike'),
+    isIndex = require('./_isIndex'),
+    isObject = require('./isObject');
+
+/**
+ * Checks if the given arguments are from an iteratee call.
+ *
+ * @private
+ * @param {*} value The potential iteratee value argument.
+ * @param {*} index The potential iteratee index or key argument.
+ * @param {*} object The potential iteratee object argument.
+ * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+ *  else `false`.
+ */
+function isIterateeCall(value, index, object) {
+  if (!isObject(object)) {
+    return false;
+  }
+  var type = typeof index;
+  if (type == 'number'
+        ? (isArrayLike(object) && isIndex(index, object.length))
+        : (type == 'string' && index in object)
+      ) {
+    return eq(object[index], value);
+  }
+  return false;
+}
+
+module.exports = isIterateeCall;
diff --git a/web/public/node_modules/lodash/_isKey.js b/web/public/node_modules/lodash/_isKey.js
new file mode 100644
index 000000000..ff08b0680
--- /dev/null
+++ b/web/public/node_modules/lodash/_isKey.js
@@ -0,0 +1,29 @@
+var isArray = require('./isArray'),
+    isSymbol = require('./isSymbol');
+
+/** Used to match property names within property paths. */
+var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+    reIsPlainProp = /^\w*$/;
+
+/**
+ * Checks if `value` is a property name and not a property path.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {Object} [object] The object to query keys on.
+ * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+ */
+function isKey(value, object) {
+  if (isArray(value)) {
+    return false;
+  }
+  var type = typeof value;
+  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+      value == null || isSymbol(value)) {
+    return true;
+  }
+  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+    (object != null && value in Object(object));
+}
+
+module.exports = isKey;
diff --git a/web/public/node_modules/lodash/_isKeyable.js b/web/public/node_modules/lodash/_isKeyable.js
new file mode 100644
index 000000000..39f1828d4
--- /dev/null
+++ b/web/public/node_modules/lodash/_isKeyable.js
@@ -0,0 +1,15 @@
+/**
+ * Checks if `value` is suitable for use as unique object key.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+ */
+function isKeyable(value) {
+  var type = typeof value;
+  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+    ? (value !== '__proto__')
+    : (value === null);
+}
+
+module.exports = isKeyable;
diff --git a/web/public/node_modules/lodash/_isLaziable.js b/web/public/node_modules/lodash/_isLaziable.js
new file mode 100644
index 000000000..a57c4f2dc
--- /dev/null
+++ b/web/public/node_modules/lodash/_isLaziable.js
@@ -0,0 +1,28 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    getData = require('./_getData'),
+    getFuncName = require('./_getFuncName'),
+    lodash = require('./wrapperLodash');
+
+/**
+ * Checks if `func` has a lazy counterpart.
+ *
+ * @private
+ * @param {Function} func The function to check.
+ * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
+ *  else `false`.
+ */
+function isLaziable(func) {
+  var funcName = getFuncName(func),
+      other = lodash[funcName];
+
+  if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
+    return false;
+  }
+  if (func === other) {
+    return true;
+  }
+  var data = getData(other);
+  return !!data && func === data[0];
+}
+
+module.exports = isLaziable;
diff --git a/web/public/node_modules/lodash/_isMaskable.js b/web/public/node_modules/lodash/_isMaskable.js
new file mode 100644
index 000000000..eb98d09f3
--- /dev/null
+++ b/web/public/node_modules/lodash/_isMaskable.js
@@ -0,0 +1,14 @@
+var coreJsData = require('./_coreJsData'),
+    isFunction = require('./isFunction'),
+    stubFalse = require('./stubFalse');
+
+/**
+ * Checks if `func` is capable of being masked.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
+ */
+var isMaskable = coreJsData ? isFunction : stubFalse;
+
+module.exports = isMaskable;
diff --git a/web/public/node_modules/lodash/_isMasked.js b/web/public/node_modules/lodash/_isMasked.js
new file mode 100644
index 000000000..4b0f21ba8
--- /dev/null
+++ b/web/public/node_modules/lodash/_isMasked.js
@@ -0,0 +1,20 @@
+var coreJsData = require('./_coreJsData');
+
+/** Used to detect methods masquerading as native. */
+var maskSrcKey = (function() {
+  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+  return uid ? ('Symbol(src)_1.' + uid) : '';
+}());
+
+/**
+ * Checks if `func` has its source masked.
+ *
+ * @private
+ * @param {Function} func The function to check.
+ * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+ */
+function isMasked(func) {
+  return !!maskSrcKey && (maskSrcKey in func);
+}
+
+module.exports = isMasked;
diff --git a/web/public/node_modules/lodash/_isPrototype.js b/web/public/node_modules/lodash/_isPrototype.js
new file mode 100644
index 000000000..0f29498d4
--- /dev/null
+++ b/web/public/node_modules/lodash/_isPrototype.js
@@ -0,0 +1,18 @@
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Checks if `value` is likely a prototype object.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+ */
+function isPrototype(value) {
+  var Ctor = value && value.constructor,
+      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+
+  return value === proto;
+}
+
+module.exports = isPrototype;
diff --git a/web/public/node_modules/lodash/_isStrictComparable.js b/web/public/node_modules/lodash/_isStrictComparable.js
new file mode 100644
index 000000000..b59f40b85
--- /dev/null
+++ b/web/public/node_modules/lodash/_isStrictComparable.js
@@ -0,0 +1,15 @@
+var isObject = require('./isObject');
+
+/**
+ * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` if suitable for strict
+ *  equality comparisons, else `false`.
+ */
+function isStrictComparable(value) {
+  return value === value && !isObject(value);
+}
+
+module.exports = isStrictComparable;
diff --git a/web/public/node_modules/lodash/_iteratorToArray.js b/web/public/node_modules/lodash/_iteratorToArray.js
new file mode 100644
index 000000000..476856647
--- /dev/null
+++ b/web/public/node_modules/lodash/_iteratorToArray.js
@@ -0,0 +1,18 @@
+/**
+ * Converts `iterator` to an array.
+ *
+ * @private
+ * @param {Object} iterator The iterator to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function iteratorToArray(iterator) {
+  var data,
+      result = [];
+
+  while (!(data = iterator.next()).done) {
+    result.push(data.value);
+  }
+  return result;
+}
+
+module.exports = iteratorToArray;
diff --git a/web/public/node_modules/lodash/_lazyClone.js b/web/public/node_modules/lodash/_lazyClone.js
new file mode 100644
index 000000000..d8a51f870
--- /dev/null
+++ b/web/public/node_modules/lodash/_lazyClone.js
@@ -0,0 +1,23 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    copyArray = require('./_copyArray');
+
+/**
+ * Creates a clone of the lazy wrapper object.
+ *
+ * @private
+ * @name clone
+ * @memberOf LazyWrapper
+ * @returns {Object} Returns the cloned `LazyWrapper` object.
+ */
+function lazyClone() {
+  var result = new LazyWrapper(this.__wrapped__);
+  result.__actions__ = copyArray(this.__actions__);
+  result.__dir__ = this.__dir__;
+  result.__filtered__ = this.__filtered__;
+  result.__iteratees__ = copyArray(this.__iteratees__);
+  result.__takeCount__ = this.__takeCount__;
+  result.__views__ = copyArray(this.__views__);
+  return result;
+}
+
+module.exports = lazyClone;
diff --git a/web/public/node_modules/lodash/_lazyReverse.js b/web/public/node_modules/lodash/_lazyReverse.js
new file mode 100644
index 000000000..c5b52190f
--- /dev/null
+++ b/web/public/node_modules/lodash/_lazyReverse.js
@@ -0,0 +1,23 @@
+var LazyWrapper = require('./_LazyWrapper');
+
+/**
+ * Reverses the direction of lazy iteration.
+ *
+ * @private
+ * @name reverse
+ * @memberOf LazyWrapper
+ * @returns {Object} Returns the new reversed `LazyWrapper` object.
+ */
+function lazyReverse() {
+  if (this.__filtered__) {
+    var result = new LazyWrapper(this);
+    result.__dir__ = -1;
+    result.__filtered__ = true;
+  } else {
+    result = this.clone();
+    result.__dir__ *= -1;
+  }
+  return result;
+}
+
+module.exports = lazyReverse;
diff --git a/web/public/node_modules/lodash/_lazyValue.js b/web/public/node_modules/lodash/_lazyValue.js
new file mode 100644
index 000000000..371ca8d22
--- /dev/null
+++ b/web/public/node_modules/lodash/_lazyValue.js
@@ -0,0 +1,69 @@
+var baseWrapperValue = require('./_baseWrapperValue'),
+    getView = require('./_getView'),
+    isArray = require('./isArray');
+
+/** Used to indicate the type of lazy iteratees. */
+var LAZY_FILTER_FLAG = 1,
+    LAZY_MAP_FLAG = 2;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min;
+
+/**
+ * Extracts the unwrapped value from its lazy wrapper.
+ *
+ * @private
+ * @name value
+ * @memberOf LazyWrapper
+ * @returns {*} Returns the unwrapped value.
+ */
+function lazyValue() {
+  var array = this.__wrapped__.value(),
+      dir = this.__dir__,
+      isArr = isArray(array),
+      isRight = dir < 0,
+      arrLength = isArr ? array.length : 0,
+      view = getView(0, arrLength, this.__views__),
+      start = view.start,
+      end = view.end,
+      length = end - start,
+      index = isRight ? end : (start - 1),
+      iteratees = this.__iteratees__,
+      iterLength = iteratees.length,
+      resIndex = 0,
+      takeCount = nativeMin(length, this.__takeCount__);
+
+  if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
+    return baseWrapperValue(array, this.__actions__);
+  }
+  var result = [];
+
+  outer:
+  while (length-- && resIndex < takeCount) {
+    index += dir;
+
+    var iterIndex = -1,
+        value = array[index];
+
+    while (++iterIndex < iterLength) {
+      var data = iteratees[iterIndex],
+          iteratee = data.iteratee,
+          type = data.type,
+          computed = iteratee(value);
+
+      if (type == LAZY_MAP_FLAG) {
+        value = computed;
+      } else if (!computed) {
+        if (type == LAZY_FILTER_FLAG) {
+          continue outer;
+        } else {
+          break outer;
+        }
+      }
+    }
+    result[resIndex++] = value;
+  }
+  return result;
+}
+
+module.exports = lazyValue;
diff --git a/web/public/node_modules/lodash/_listCacheClear.js b/web/public/node_modules/lodash/_listCacheClear.js
new file mode 100644
index 000000000..acbe39a59
--- /dev/null
+++ b/web/public/node_modules/lodash/_listCacheClear.js
@@ -0,0 +1,13 @@
+/**
+ * Removes all key-value entries from the list cache.
+ *
+ * @private
+ * @name clear
+ * @memberOf ListCache
+ */
+function listCacheClear() {
+  this.__data__ = [];
+  this.size = 0;
+}
+
+module.exports = listCacheClear;
diff --git a/web/public/node_modules/lodash/_listCacheDelete.js b/web/public/node_modules/lodash/_listCacheDelete.js
new file mode 100644
index 000000000..b1384ade9
--- /dev/null
+++ b/web/public/node_modules/lodash/_listCacheDelete.js
@@ -0,0 +1,35 @@
+var assocIndexOf = require('./_assocIndexOf');
+
+/** Used for built-in method references. */
+var arrayProto = Array.prototype;
+
+/** Built-in value references. */
+var splice = arrayProto.splice;
+
+/**
+ * Removes `key` and its value from the list cache.
+ *
+ * @private
+ * @name delete
+ * @memberOf ListCache
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function listCacheDelete(key) {
+  var data = this.__data__,
+      index = assocIndexOf(data, key);
+
+  if (index < 0) {
+    return false;
+  }
+  var lastIndex = data.length - 1;
+  if (index == lastIndex) {
+    data.pop();
+  } else {
+    splice.call(data, index, 1);
+  }
+  --this.size;
+  return true;
+}
+
+module.exports = listCacheDelete;
diff --git a/web/public/node_modules/lodash/_listCacheGet.js b/web/public/node_modules/lodash/_listCacheGet.js
new file mode 100644
index 000000000..f8192fc38
--- /dev/null
+++ b/web/public/node_modules/lodash/_listCacheGet.js
@@ -0,0 +1,19 @@
+var assocIndexOf = require('./_assocIndexOf');
+
+/**
+ * Gets the list cache value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf ListCache
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function listCacheGet(key) {
+  var data = this.__data__,
+      index = assocIndexOf(data, key);
+
+  return index < 0 ? undefined : data[index][1];
+}
+
+module.exports = listCacheGet;
diff --git a/web/public/node_modules/lodash/_listCacheHas.js b/web/public/node_modules/lodash/_listCacheHas.js
new file mode 100644
index 000000000..2adf67146
--- /dev/null
+++ b/web/public/node_modules/lodash/_listCacheHas.js
@@ -0,0 +1,16 @@
+var assocIndexOf = require('./_assocIndexOf');
+
+/**
+ * Checks if a list cache value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf ListCache
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function listCacheHas(key) {
+  return assocIndexOf(this.__data__, key) > -1;
+}
+
+module.exports = listCacheHas;
diff --git a/web/public/node_modules/lodash/_listCacheSet.js b/web/public/node_modules/lodash/_listCacheSet.js
new file mode 100644
index 000000000..5855c95e4
--- /dev/null
+++ b/web/public/node_modules/lodash/_listCacheSet.js
@@ -0,0 +1,26 @@
+var assocIndexOf = require('./_assocIndexOf');
+
+/**
+ * Sets the list cache `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf ListCache
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the list cache instance.
+ */
+function listCacheSet(key, value) {
+  var data = this.__data__,
+      index = assocIndexOf(data, key);
+
+  if (index < 0) {
+    ++this.size;
+    data.push([key, value]);
+  } else {
+    data[index][1] = value;
+  }
+  return this;
+}
+
+module.exports = listCacheSet;
diff --git a/web/public/node_modules/lodash/_mapCacheClear.js b/web/public/node_modules/lodash/_mapCacheClear.js
new file mode 100644
index 000000000..bc9ca204a
--- /dev/null
+++ b/web/public/node_modules/lodash/_mapCacheClear.js
@@ -0,0 +1,21 @@
+var Hash = require('./_Hash'),
+    ListCache = require('./_ListCache'),
+    Map = require('./_Map');
+
+/**
+ * Removes all key-value entries from the map.
+ *
+ * @private
+ * @name clear
+ * @memberOf MapCache
+ */
+function mapCacheClear() {
+  this.size = 0;
+  this.__data__ = {
+    'hash': new Hash,
+    'map': new (Map || ListCache),
+    'string': new Hash
+  };
+}
+
+module.exports = mapCacheClear;
diff --git a/web/public/node_modules/lodash/_mapCacheDelete.js b/web/public/node_modules/lodash/_mapCacheDelete.js
new file mode 100644
index 000000000..946ca3c93
--- /dev/null
+++ b/web/public/node_modules/lodash/_mapCacheDelete.js
@@ -0,0 +1,18 @@
+var getMapData = require('./_getMapData');
+
+/**
+ * Removes `key` and its value from the map.
+ *
+ * @private
+ * @name delete
+ * @memberOf MapCache
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function mapCacheDelete(key) {
+  var result = getMapData(this, key)['delete'](key);
+  this.size -= result ? 1 : 0;
+  return result;
+}
+
+module.exports = mapCacheDelete;
diff --git a/web/public/node_modules/lodash/_mapCacheGet.js b/web/public/node_modules/lodash/_mapCacheGet.js
new file mode 100644
index 000000000..f29f55cfd
--- /dev/null
+++ b/web/public/node_modules/lodash/_mapCacheGet.js
@@ -0,0 +1,16 @@
+var getMapData = require('./_getMapData');
+
+/**
+ * Gets the map value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf MapCache
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function mapCacheGet(key) {
+  return getMapData(this, key).get(key);
+}
+
+module.exports = mapCacheGet;
diff --git a/web/public/node_modules/lodash/_mapCacheHas.js b/web/public/node_modules/lodash/_mapCacheHas.js
new file mode 100644
index 000000000..a1214c028
--- /dev/null
+++ b/web/public/node_modules/lodash/_mapCacheHas.js
@@ -0,0 +1,16 @@
+var getMapData = require('./_getMapData');
+
+/**
+ * Checks if a map value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf MapCache
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function mapCacheHas(key) {
+  return getMapData(this, key).has(key);
+}
+
+module.exports = mapCacheHas;
diff --git a/web/public/node_modules/lodash/_mapCacheSet.js b/web/public/node_modules/lodash/_mapCacheSet.js
new file mode 100644
index 000000000..734684927
--- /dev/null
+++ b/web/public/node_modules/lodash/_mapCacheSet.js
@@ -0,0 +1,22 @@
+var getMapData = require('./_getMapData');
+
+/**
+ * Sets the map `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf MapCache
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the map cache instance.
+ */
+function mapCacheSet(key, value) {
+  var data = getMapData(this, key),
+      size = data.size;
+
+  data.set(key, value);
+  this.size += data.size == size ? 0 : 1;
+  return this;
+}
+
+module.exports = mapCacheSet;
diff --git a/web/public/node_modules/lodash/_mapToArray.js b/web/public/node_modules/lodash/_mapToArray.js
new file mode 100644
index 000000000..fe3dd531a
--- /dev/null
+++ b/web/public/node_modules/lodash/_mapToArray.js
@@ -0,0 +1,18 @@
+/**
+ * Converts `map` to its key-value pairs.
+ *
+ * @private
+ * @param {Object} map The map to convert.
+ * @returns {Array} Returns the key-value pairs.
+ */
+function mapToArray(map) {
+  var index = -1,
+      result = Array(map.size);
+
+  map.forEach(function(value, key) {
+    result[++index] = [key, value];
+  });
+  return result;
+}
+
+module.exports = mapToArray;
diff --git a/web/public/node_modules/lodash/_matchesStrictComparable.js b/web/public/node_modules/lodash/_matchesStrictComparable.js
new file mode 100644
index 000000000..f608af9ec
--- /dev/null
+++ b/web/public/node_modules/lodash/_matchesStrictComparable.js
@@ -0,0 +1,20 @@
+/**
+ * A specialized version of `matchesProperty` for source values suitable
+ * for strict equality comparisons, i.e. `===`.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @param {*} srcValue The value to match.
+ * @returns {Function} Returns the new spec function.
+ */
+function matchesStrictComparable(key, srcValue) {
+  return function(object) {
+    if (object == null) {
+      return false;
+    }
+    return object[key] === srcValue &&
+      (srcValue !== undefined || (key in Object(object)));
+  };
+}
+
+module.exports = matchesStrictComparable;
diff --git a/web/public/node_modules/lodash/_memoizeCapped.js b/web/public/node_modules/lodash/_memoizeCapped.js
new file mode 100644
index 000000000..7f71c8fba
--- /dev/null
+++ b/web/public/node_modules/lodash/_memoizeCapped.js
@@ -0,0 +1,26 @@
+var memoize = require('./memoize');
+
+/** Used as the maximum memoize cache size. */
+var MAX_MEMOIZE_SIZE = 500;
+
+/**
+ * A specialized version of `_.memoize` which clears the memoized function's
+ * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+ *
+ * @private
+ * @param {Function} func The function to have its output memoized.
+ * @returns {Function} Returns the new memoized function.
+ */
+function memoizeCapped(func) {
+  var result = memoize(func, function(key) {
+    if (cache.size === MAX_MEMOIZE_SIZE) {
+      cache.clear();
+    }
+    return key;
+  });
+
+  var cache = result.cache;
+  return result;
+}
+
+module.exports = memoizeCapped;
diff --git a/web/public/node_modules/lodash/_mergeData.js b/web/public/node_modules/lodash/_mergeData.js
new file mode 100644
index 000000000..cb570f976
--- /dev/null
+++ b/web/public/node_modules/lodash/_mergeData.js
@@ -0,0 +1,90 @@
+var composeArgs = require('./_composeArgs'),
+    composeArgsRight = require('./_composeArgsRight'),
+    replaceHolders = require('./_replaceHolders');
+
+/** Used as the internal argument placeholder. */
+var PLACEHOLDER = '__lodash_placeholder__';
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_BIND_KEY_FLAG = 2,
+    WRAP_CURRY_BOUND_FLAG = 4,
+    WRAP_CURRY_FLAG = 8,
+    WRAP_ARY_FLAG = 128,
+    WRAP_REARG_FLAG = 256;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min;
+
+/**
+ * Merges the function metadata of `source` into `data`.
+ *
+ * Merging metadata reduces the number of wrappers used to invoke a function.
+ * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
+ * may be applied regardless of execution order. Methods like `_.ary` and
+ * `_.rearg` modify function arguments, making the order in which they are
+ * executed important, preventing the merging of metadata. However, we make
+ * an exception for a safe combined case where curried functions have `_.ary`
+ * and or `_.rearg` applied.
+ *
+ * @private
+ * @param {Array} data The destination metadata.
+ * @param {Array} source The source metadata.
+ * @returns {Array} Returns `data`.
+ */
+function mergeData(data, source) {
+  var bitmask = data[1],
+      srcBitmask = source[1],
+      newBitmask = bitmask | srcBitmask,
+      isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
+
+  var isCombo =
+    ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
+    ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
+    ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
+
+  // Exit early if metadata can't be merged.
+  if (!(isCommon || isCombo)) {
+    return data;
+  }
+  // Use source `thisArg` if available.
+  if (srcBitmask & WRAP_BIND_FLAG) {
+    data[2] = source[2];
+    // Set when currying a bound function.
+    newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
+  }
+  // Compose partial arguments.
+  var value = source[3];
+  if (value) {
+    var partials = data[3];
+    data[3] = partials ? composeArgs(partials, value, source[4]) : value;
+    data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
+  }
+  // Compose partial right arguments.
+  value = source[5];
+  if (value) {
+    partials = data[5];
+    data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
+    data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
+  }
+  // Use source `argPos` if available.
+  value = source[7];
+  if (value) {
+    data[7] = value;
+  }
+  // Use source `ary` if it's smaller.
+  if (srcBitmask & WRAP_ARY_FLAG) {
+    data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+  }
+  // Use source `arity` if one is not provided.
+  if (data[9] == null) {
+    data[9] = source[9];
+  }
+  // Use source `func` and merge bitmasks.
+  data[0] = source[0];
+  data[1] = newBitmask;
+
+  return data;
+}
+
+module.exports = mergeData;
diff --git a/web/public/node_modules/lodash/_metaMap.js b/web/public/node_modules/lodash/_metaMap.js
new file mode 100644
index 000000000..0157a0b09
--- /dev/null
+++ b/web/public/node_modules/lodash/_metaMap.js
@@ -0,0 +1,6 @@
+var WeakMap = require('./_WeakMap');
+
+/** Used to store function metadata. */
+var metaMap = WeakMap && new WeakMap;
+
+module.exports = metaMap;
diff --git a/web/public/node_modules/lodash/_nativeCreate.js b/web/public/node_modules/lodash/_nativeCreate.js
new file mode 100644
index 000000000..c7aede85b
--- /dev/null
+++ b/web/public/node_modules/lodash/_nativeCreate.js
@@ -0,0 +1,6 @@
+var getNative = require('./_getNative');
+
+/* Built-in method references that are verified to be native. */
+var nativeCreate = getNative(Object, 'create');
+
+module.exports = nativeCreate;
diff --git a/web/public/node_modules/lodash/_nativeKeys.js b/web/public/node_modules/lodash/_nativeKeys.js
new file mode 100644
index 000000000..479a104a1
--- /dev/null
+++ b/web/public/node_modules/lodash/_nativeKeys.js
@@ -0,0 +1,6 @@
+var overArg = require('./_overArg');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeKeys = overArg(Object.keys, Object);
+
+module.exports = nativeKeys;
diff --git a/web/public/node_modules/lodash/_nativeKeysIn.js b/web/public/node_modules/lodash/_nativeKeysIn.js
new file mode 100644
index 000000000..00ee50594
--- /dev/null
+++ b/web/public/node_modules/lodash/_nativeKeysIn.js
@@ -0,0 +1,20 @@
+/**
+ * This function is like
+ * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+ * except that it includes inherited enumerable properties.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function nativeKeysIn(object) {
+  var result = [];
+  if (object != null) {
+    for (var key in Object(object)) {
+      result.push(key);
+    }
+  }
+  return result;
+}
+
+module.exports = nativeKeysIn;
diff --git a/web/public/node_modules/lodash/_nodeUtil.js b/web/public/node_modules/lodash/_nodeUtil.js
new file mode 100644
index 000000000..983d78f75
--- /dev/null
+++ b/web/public/node_modules/lodash/_nodeUtil.js
@@ -0,0 +1,30 @@
+var freeGlobal = require('./_freeGlobal');
+
+/** Detect free variable `exports`. */
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+/** Detect free variable `module`. */
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+/** Detect the popular CommonJS extension `module.exports`. */
+var moduleExports = freeModule && freeModule.exports === freeExports;
+
+/** Detect free variable `process` from Node.js. */
+var freeProcess = moduleExports && freeGlobal.process;
+
+/** Used to access faster Node.js helpers. */
+var nodeUtil = (function() {
+  try {
+    // Use `util.types` for Node.js 10+.
+    var types = freeModule && freeModule.require && freeModule.require('util').types;
+
+    if (types) {
+      return types;
+    }
+
+    // Legacy `process.binding('util')` for Node.js < 10.
+    return freeProcess && freeProcess.binding && freeProcess.binding('util');
+  } catch (e) {}
+}());
+
+module.exports = nodeUtil;
diff --git a/web/public/node_modules/lodash/_objectToString.js b/web/public/node_modules/lodash/_objectToString.js
new file mode 100644
index 000000000..c614ec09b
--- /dev/null
+++ b/web/public/node_modules/lodash/_objectToString.js
@@ -0,0 +1,22 @@
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/**
+ * Converts `value` to a string using `Object.prototype.toString`.
+ *
+ * @private
+ * @param {*} value The value to convert.
+ * @returns {string} Returns the converted string.
+ */
+function objectToString(value) {
+  return nativeObjectToString.call(value);
+}
+
+module.exports = objectToString;
diff --git a/web/public/node_modules/lodash/_overArg.js b/web/public/node_modules/lodash/_overArg.js
new file mode 100644
index 000000000..651c5c55f
--- /dev/null
+++ b/web/public/node_modules/lodash/_overArg.js
@@ -0,0 +1,15 @@
+/**
+ * Creates a unary function that invokes `func` with its argument transformed.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {Function} transform The argument transform.
+ * @returns {Function} Returns the new function.
+ */
+function overArg(func, transform) {
+  return function(arg) {
+    return func(transform(arg));
+  };
+}
+
+module.exports = overArg;
diff --git a/web/public/node_modules/lodash/_overRest.js b/web/public/node_modules/lodash/_overRest.js
new file mode 100644
index 000000000..c7cdef339
--- /dev/null
+++ b/web/public/node_modules/lodash/_overRest.js
@@ -0,0 +1,36 @@
+var apply = require('./_apply');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * A specialized version of `baseRest` which transforms the rest array.
+ *
+ * @private
+ * @param {Function} func The function to apply a rest parameter to.
+ * @param {number} [start=func.length-1] The start position of the rest parameter.
+ * @param {Function} transform The rest array transform.
+ * @returns {Function} Returns the new function.
+ */
+function overRest(func, start, transform) {
+  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+  return function() {
+    var args = arguments,
+        index = -1,
+        length = nativeMax(args.length - start, 0),
+        array = Array(length);
+
+    while (++index < length) {
+      array[index] = args[start + index];
+    }
+    index = -1;
+    var otherArgs = Array(start + 1);
+    while (++index < start) {
+      otherArgs[index] = args[index];
+    }
+    otherArgs[start] = transform(array);
+    return apply(func, this, otherArgs);
+  };
+}
+
+module.exports = overRest;
diff --git a/web/public/node_modules/lodash/_parent.js b/web/public/node_modules/lodash/_parent.js
new file mode 100644
index 000000000..f174328fc
--- /dev/null
+++ b/web/public/node_modules/lodash/_parent.js
@@ -0,0 +1,16 @@
+var baseGet = require('./_baseGet'),
+    baseSlice = require('./_baseSlice');
+
+/**
+ * Gets the parent value at `path` of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array} path The path to get the parent value of.
+ * @returns {*} Returns the parent value.
+ */
+function parent(object, path) {
+  return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
+}
+
+module.exports = parent;
diff --git a/web/public/node_modules/lodash/_reEscape.js b/web/public/node_modules/lodash/_reEscape.js
new file mode 100644
index 000000000..7f47eda68
--- /dev/null
+++ b/web/public/node_modules/lodash/_reEscape.js
@@ -0,0 +1,4 @@
+/** Used to match template delimiters. */
+var reEscape = /<%-([\s\S]+?)%>/g;
+
+module.exports = reEscape;
diff --git a/web/public/node_modules/lodash/_reEvaluate.js b/web/public/node_modules/lodash/_reEvaluate.js
new file mode 100644
index 000000000..6adfc312c
--- /dev/null
+++ b/web/public/node_modules/lodash/_reEvaluate.js
@@ -0,0 +1,4 @@
+/** Used to match template delimiters. */
+var reEvaluate = /<%([\s\S]+?)%>/g;
+
+module.exports = reEvaluate;
diff --git a/web/public/node_modules/lodash/_reInterpolate.js b/web/public/node_modules/lodash/_reInterpolate.js
new file mode 100644
index 000000000..d02ff0b29
--- /dev/null
+++ b/web/public/node_modules/lodash/_reInterpolate.js
@@ -0,0 +1,4 @@
+/** Used to match template delimiters. */
+var reInterpolate = /<%=([\s\S]+?)%>/g;
+
+module.exports = reInterpolate;
diff --git a/web/public/node_modules/lodash/_realNames.js b/web/public/node_modules/lodash/_realNames.js
new file mode 100644
index 000000000..aa0d52926
--- /dev/null
+++ b/web/public/node_modules/lodash/_realNames.js
@@ -0,0 +1,4 @@
+/** Used to lookup unminified function names. */
+var realNames = {};
+
+module.exports = realNames;
diff --git a/web/public/node_modules/lodash/_reorder.js b/web/public/node_modules/lodash/_reorder.js
new file mode 100644
index 000000000..a3502b051
--- /dev/null
+++ b/web/public/node_modules/lodash/_reorder.js
@@ -0,0 +1,29 @@
+var copyArray = require('./_copyArray'),
+    isIndex = require('./_isIndex');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min;
+
+/**
+ * Reorder `array` according to the specified indexes where the element at
+ * the first index is assigned as the first element, the element at
+ * the second index is assigned as the second element, and so on.
+ *
+ * @private
+ * @param {Array} array The array to reorder.
+ * @param {Array} indexes The arranged array indexes.
+ * @returns {Array} Returns `array`.
+ */
+function reorder(array, indexes) {
+  var arrLength = array.length,
+      length = nativeMin(indexes.length, arrLength),
+      oldArray = copyArray(array);
+
+  while (length--) {
+    var index = indexes[length];
+    array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+  }
+  return array;
+}
+
+module.exports = reorder;
diff --git a/web/public/node_modules/lodash/_replaceHolders.js b/web/public/node_modules/lodash/_replaceHolders.js
new file mode 100644
index 000000000..74360ec4d
--- /dev/null
+++ b/web/public/node_modules/lodash/_replaceHolders.js
@@ -0,0 +1,29 @@
+/** Used as the internal argument placeholder. */
+var PLACEHOLDER = '__lodash_placeholder__';
+
+/**
+ * Replaces all `placeholder` elements in `array` with an internal placeholder
+ * and returns an array of their indexes.
+ *
+ * @private
+ * @param {Array} array The array to modify.
+ * @param {*} placeholder The placeholder to replace.
+ * @returns {Array} Returns the new array of placeholder indexes.
+ */
+function replaceHolders(array, placeholder) {
+  var index = -1,
+      length = array.length,
+      resIndex = 0,
+      result = [];
+
+  while (++index < length) {
+    var value = array[index];
+    if (value === placeholder || value === PLACEHOLDER) {
+      array[index] = PLACEHOLDER;
+      result[resIndex++] = index;
+    }
+  }
+  return result;
+}
+
+module.exports = replaceHolders;
diff --git a/web/public/node_modules/lodash/_root.js b/web/public/node_modules/lodash/_root.js
new file mode 100644
index 000000000..d2852bed4
--- /dev/null
+++ b/web/public/node_modules/lodash/_root.js
@@ -0,0 +1,9 @@
+var freeGlobal = require('./_freeGlobal');
+
+/** Detect free variable `self`. */
+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+/** Used as a reference to the global object. */
+var root = freeGlobal || freeSelf || Function('return this')();
+
+module.exports = root;
diff --git a/web/public/node_modules/lodash/_safeGet.js b/web/public/node_modules/lodash/_safeGet.js
new file mode 100644
index 000000000..b070897db
--- /dev/null
+++ b/web/public/node_modules/lodash/_safeGet.js
@@ -0,0 +1,21 @@
+/**
+ * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {string} key The key of the property to get.
+ * @returns {*} Returns the property value.
+ */
+function safeGet(object, key) {
+  if (key === 'constructor' && typeof object[key] === 'function') {
+    return;
+  }
+
+  if (key == '__proto__') {
+    return;
+  }
+
+  return object[key];
+}
+
+module.exports = safeGet;
diff --git a/web/public/node_modules/lodash/_setCacheAdd.js b/web/public/node_modules/lodash/_setCacheAdd.js
new file mode 100644
index 000000000..1081a7442
--- /dev/null
+++ b/web/public/node_modules/lodash/_setCacheAdd.js
@@ -0,0 +1,19 @@
+/** Used to stand-in for `undefined` hash values. */
+var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+/**
+ * Adds `value` to the array cache.
+ *
+ * @private
+ * @name add
+ * @memberOf SetCache
+ * @alias push
+ * @param {*} value The value to cache.
+ * @returns {Object} Returns the cache instance.
+ */
+function setCacheAdd(value) {
+  this.__data__.set(value, HASH_UNDEFINED);
+  return this;
+}
+
+module.exports = setCacheAdd;
diff --git a/web/public/node_modules/lodash/_setCacheHas.js b/web/public/node_modules/lodash/_setCacheHas.js
new file mode 100644
index 000000000..9a492556e
--- /dev/null
+++ b/web/public/node_modules/lodash/_setCacheHas.js
@@ -0,0 +1,14 @@
+/**
+ * Checks if `value` is in the array cache.
+ *
+ * @private
+ * @name has
+ * @memberOf SetCache
+ * @param {*} value The value to search for.
+ * @returns {number} Returns `true` if `value` is found, else `false`.
+ */
+function setCacheHas(value) {
+  return this.__data__.has(value);
+}
+
+module.exports = setCacheHas;
diff --git a/web/public/node_modules/lodash/_setData.js b/web/public/node_modules/lodash/_setData.js
new file mode 100644
index 000000000..e5cf3eb96
--- /dev/null
+++ b/web/public/node_modules/lodash/_setData.js
@@ -0,0 +1,20 @@
+var baseSetData = require('./_baseSetData'),
+    shortOut = require('./_shortOut');
+
+/**
+ * Sets metadata for `func`.
+ *
+ * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
+ * period of time, it will trip its breaker and transition to an identity
+ * function to avoid garbage collection pauses in V8. See
+ * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
+ * for more details.
+ *
+ * @private
+ * @param {Function} func The function to associate metadata with.
+ * @param {*} data The metadata.
+ * @returns {Function} Returns `func`.
+ */
+var setData = shortOut(baseSetData);
+
+module.exports = setData;
diff --git a/web/public/node_modules/lodash/_setToArray.js b/web/public/node_modules/lodash/_setToArray.js
new file mode 100644
index 000000000..b87f07418
--- /dev/null
+++ b/web/public/node_modules/lodash/_setToArray.js
@@ -0,0 +1,18 @@
+/**
+ * Converts `set` to an array of its values.
+ *
+ * @private
+ * @param {Object} set The set to convert.
+ * @returns {Array} Returns the values.
+ */
+function setToArray(set) {
+  var index = -1,
+      result = Array(set.size);
+
+  set.forEach(function(value) {
+    result[++index] = value;
+  });
+  return result;
+}
+
+module.exports = setToArray;
diff --git a/web/public/node_modules/lodash/_setToPairs.js b/web/public/node_modules/lodash/_setToPairs.js
new file mode 100644
index 000000000..36ad37a05
--- /dev/null
+++ b/web/public/node_modules/lodash/_setToPairs.js
@@ -0,0 +1,18 @@
+/**
+ * Converts `set` to its value-value pairs.
+ *
+ * @private
+ * @param {Object} set The set to convert.
+ * @returns {Array} Returns the value-value pairs.
+ */
+function setToPairs(set) {
+  var index = -1,
+      result = Array(set.size);
+
+  set.forEach(function(value) {
+    result[++index] = [value, value];
+  });
+  return result;
+}
+
+module.exports = setToPairs;
diff --git a/web/public/node_modules/lodash/_setToString.js b/web/public/node_modules/lodash/_setToString.js
new file mode 100644
index 000000000..6ca841967
--- /dev/null
+++ b/web/public/node_modules/lodash/_setToString.js
@@ -0,0 +1,14 @@
+var baseSetToString = require('./_baseSetToString'),
+    shortOut = require('./_shortOut');
+
+/**
+ * Sets the `toString` method of `func` to return `string`.
+ *
+ * @private
+ * @param {Function} func The function to modify.
+ * @param {Function} string The `toString` result.
+ * @returns {Function} Returns `func`.
+ */
+var setToString = shortOut(baseSetToString);
+
+module.exports = setToString;
diff --git a/web/public/node_modules/lodash/_setWrapToString.js b/web/public/node_modules/lodash/_setWrapToString.js
new file mode 100644
index 000000000..decdc4499
--- /dev/null
+++ b/web/public/node_modules/lodash/_setWrapToString.js
@@ -0,0 +1,21 @@
+var getWrapDetails = require('./_getWrapDetails'),
+    insertWrapDetails = require('./_insertWrapDetails'),
+    setToString = require('./_setToString'),
+    updateWrapDetails = require('./_updateWrapDetails');
+
+/**
+ * Sets the `toString` method of `wrapper` to mimic the source of `reference`
+ * with wrapper details in a comment at the top of the source body.
+ *
+ * @private
+ * @param {Function} wrapper The function to modify.
+ * @param {Function} reference The reference function.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @returns {Function} Returns `wrapper`.
+ */
+function setWrapToString(wrapper, reference, bitmask) {
+  var source = (reference + '');
+  return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
+}
+
+module.exports = setWrapToString;
diff --git a/web/public/node_modules/lodash/_shortOut.js b/web/public/node_modules/lodash/_shortOut.js
new file mode 100644
index 000000000..3300a0796
--- /dev/null
+++ b/web/public/node_modules/lodash/_shortOut.js
@@ -0,0 +1,37 @@
+/** Used to detect hot functions by number of calls within a span of milliseconds. */
+var HOT_COUNT = 800,
+    HOT_SPAN = 16;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeNow = Date.now;
+
+/**
+ * Creates a function that'll short out and invoke `identity` instead
+ * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+ * milliseconds.
+ *
+ * @private
+ * @param {Function} func The function to restrict.
+ * @returns {Function} Returns the new shortable function.
+ */
+function shortOut(func) {
+  var count = 0,
+      lastCalled = 0;
+
+  return function() {
+    var stamp = nativeNow(),
+        remaining = HOT_SPAN - (stamp - lastCalled);
+
+    lastCalled = stamp;
+    if (remaining > 0) {
+      if (++count >= HOT_COUNT) {
+        return arguments[0];
+      }
+    } else {
+      count = 0;
+    }
+    return func.apply(undefined, arguments);
+  };
+}
+
+module.exports = shortOut;
diff --git a/web/public/node_modules/lodash/_shuffleSelf.js b/web/public/node_modules/lodash/_shuffleSelf.js
new file mode 100644
index 000000000..8bcc4f5c3
--- /dev/null
+++ b/web/public/node_modules/lodash/_shuffleSelf.js
@@ -0,0 +1,28 @@
+var baseRandom = require('./_baseRandom');
+
+/**
+ * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
+ *
+ * @private
+ * @param {Array} array The array to shuffle.
+ * @param {number} [size=array.length] The size of `array`.
+ * @returns {Array} Returns `array`.
+ */
+function shuffleSelf(array, size) {
+  var index = -1,
+      length = array.length,
+      lastIndex = length - 1;
+
+  size = size === undefined ? length : size;
+  while (++index < size) {
+    var rand = baseRandom(index, lastIndex),
+        value = array[rand];
+
+    array[rand] = array[index];
+    array[index] = value;
+  }
+  array.length = size;
+  return array;
+}
+
+module.exports = shuffleSelf;
diff --git a/web/public/node_modules/lodash/_stackClear.js b/web/public/node_modules/lodash/_stackClear.js
new file mode 100644
index 000000000..ce8e5a92f
--- /dev/null
+++ b/web/public/node_modules/lodash/_stackClear.js
@@ -0,0 +1,15 @@
+var ListCache = require('./_ListCache');
+
+/**
+ * Removes all key-value entries from the stack.
+ *
+ * @private
+ * @name clear
+ * @memberOf Stack
+ */
+function stackClear() {
+  this.__data__ = new ListCache;
+  this.size = 0;
+}
+
+module.exports = stackClear;
diff --git a/web/public/node_modules/lodash/_stackDelete.js b/web/public/node_modules/lodash/_stackDelete.js
new file mode 100644
index 000000000..ff9887ab6
--- /dev/null
+++ b/web/public/node_modules/lodash/_stackDelete.js
@@ -0,0 +1,18 @@
+/**
+ * Removes `key` and its value from the stack.
+ *
+ * @private
+ * @name delete
+ * @memberOf Stack
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function stackDelete(key) {
+  var data = this.__data__,
+      result = data['delete'](key);
+
+  this.size = data.size;
+  return result;
+}
+
+module.exports = stackDelete;
diff --git a/web/public/node_modules/lodash/_stackGet.js b/web/public/node_modules/lodash/_stackGet.js
new file mode 100644
index 000000000..1cdf00409
--- /dev/null
+++ b/web/public/node_modules/lodash/_stackGet.js
@@ -0,0 +1,14 @@
+/**
+ * Gets the stack value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf Stack
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function stackGet(key) {
+  return this.__data__.get(key);
+}
+
+module.exports = stackGet;
diff --git a/web/public/node_modules/lodash/_stackHas.js b/web/public/node_modules/lodash/_stackHas.js
new file mode 100644
index 000000000..16a3ad11b
--- /dev/null
+++ b/web/public/node_modules/lodash/_stackHas.js
@@ -0,0 +1,14 @@
+/**
+ * Checks if a stack value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf Stack
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function stackHas(key) {
+  return this.__data__.has(key);
+}
+
+module.exports = stackHas;
diff --git a/web/public/node_modules/lodash/_stackSet.js b/web/public/node_modules/lodash/_stackSet.js
new file mode 100644
index 000000000..b790ac5f4
--- /dev/null
+++ b/web/public/node_modules/lodash/_stackSet.js
@@ -0,0 +1,34 @@
+var ListCache = require('./_ListCache'),
+    Map = require('./_Map'),
+    MapCache = require('./_MapCache');
+
+/** Used as the size to enable large array optimizations. */
+var LARGE_ARRAY_SIZE = 200;
+
+/**
+ * Sets the stack `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf Stack
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the stack cache instance.
+ */
+function stackSet(key, value) {
+  var data = this.__data__;
+  if (data instanceof ListCache) {
+    var pairs = data.__data__;
+    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+      pairs.push([key, value]);
+      this.size = ++data.size;
+      return this;
+    }
+    data = this.__data__ = new MapCache(pairs);
+  }
+  data.set(key, value);
+  this.size = data.size;
+  return this;
+}
+
+module.exports = stackSet;
diff --git a/web/public/node_modules/lodash/_strictIndexOf.js b/web/public/node_modules/lodash/_strictIndexOf.js
new file mode 100644
index 000000000..0486a4956
--- /dev/null
+++ b/web/public/node_modules/lodash/_strictIndexOf.js
@@ -0,0 +1,23 @@
+/**
+ * A specialized version of `_.indexOf` which performs strict equality
+ * comparisons of values, i.e. `===`.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} fromIndex The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function strictIndexOf(array, value, fromIndex) {
+  var index = fromIndex - 1,
+      length = array.length;
+
+  while (++index < length) {
+    if (array[index] === value) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+module.exports = strictIndexOf;
diff --git a/web/public/node_modules/lodash/_strictLastIndexOf.js b/web/public/node_modules/lodash/_strictLastIndexOf.js
new file mode 100644
index 000000000..d7310dcc2
--- /dev/null
+++ b/web/public/node_modules/lodash/_strictLastIndexOf.js
@@ -0,0 +1,21 @@
+/**
+ * A specialized version of `_.lastIndexOf` which performs strict equality
+ * comparisons of values, i.e. `===`.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} fromIndex The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function strictLastIndexOf(array, value, fromIndex) {
+  var index = fromIndex + 1;
+  while (index--) {
+    if (array[index] === value) {
+      return index;
+    }
+  }
+  return index;
+}
+
+module.exports = strictLastIndexOf;
diff --git a/web/public/node_modules/lodash/_stringSize.js b/web/public/node_modules/lodash/_stringSize.js
new file mode 100644
index 000000000..17ef462a6
--- /dev/null
+++ b/web/public/node_modules/lodash/_stringSize.js
@@ -0,0 +1,18 @@
+var asciiSize = require('./_asciiSize'),
+    hasUnicode = require('./_hasUnicode'),
+    unicodeSize = require('./_unicodeSize');
+
+/**
+ * Gets the number of symbols in `string`.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {number} Returns the string size.
+ */
+function stringSize(string) {
+  return hasUnicode(string)
+    ? unicodeSize(string)
+    : asciiSize(string);
+}
+
+module.exports = stringSize;
diff --git a/web/public/node_modules/lodash/_stringToArray.js b/web/public/node_modules/lodash/_stringToArray.js
new file mode 100644
index 000000000..d161158c6
--- /dev/null
+++ b/web/public/node_modules/lodash/_stringToArray.js
@@ -0,0 +1,18 @@
+var asciiToArray = require('./_asciiToArray'),
+    hasUnicode = require('./_hasUnicode'),
+    unicodeToArray = require('./_unicodeToArray');
+
+/**
+ * Converts `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function stringToArray(string) {
+  return hasUnicode(string)
+    ? unicodeToArray(string)
+    : asciiToArray(string);
+}
+
+module.exports = stringToArray;
diff --git a/web/public/node_modules/lodash/_stringToPath.js b/web/public/node_modules/lodash/_stringToPath.js
new file mode 100644
index 000000000..8f39f8a29
--- /dev/null
+++ b/web/public/node_modules/lodash/_stringToPath.js
@@ -0,0 +1,27 @@
+var memoizeCapped = require('./_memoizeCapped');
+
+/** Used to match property names within property paths. */
+var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+/** Used to match backslashes in property paths. */
+var reEscapeChar = /\\(\\)?/g;
+
+/**
+ * Converts `string` to a property path array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the property path array.
+ */
+var stringToPath = memoizeCapped(function(string) {
+  var result = [];
+  if (string.charCodeAt(0) === 46 /* . */) {
+    result.push('');
+  }
+  string.replace(rePropName, function(match, number, quote, subString) {
+    result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
+  });
+  return result;
+});
+
+module.exports = stringToPath;
diff --git a/web/public/node_modules/lodash/_toKey.js b/web/public/node_modules/lodash/_toKey.js
new file mode 100644
index 000000000..c6d645c4d
--- /dev/null
+++ b/web/public/node_modules/lodash/_toKey.js
@@ -0,0 +1,21 @@
+var isSymbol = require('./isSymbol');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/**
+ * Converts `value` to a string key if it's not a string or symbol.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {string|symbol} Returns the key.
+ */
+function toKey(value) {
+  if (typeof value == 'string' || isSymbol(value)) {
+    return value;
+  }
+  var result = (value + '');
+  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+module.exports = toKey;
diff --git a/web/public/node_modules/lodash/_toSource.js b/web/public/node_modules/lodash/_toSource.js
new file mode 100644
index 000000000..a020b386c
--- /dev/null
+++ b/web/public/node_modules/lodash/_toSource.js
@@ -0,0 +1,26 @@
+/** Used for built-in method references. */
+var funcProto = Function.prototype;
+
+/** Used to resolve the decompiled source of functions. */
+var funcToString = funcProto.toString;
+
+/**
+ * Converts `func` to its source code.
+ *
+ * @private
+ * @param {Function} func The function to convert.
+ * @returns {string} Returns the source code.
+ */
+function toSource(func) {
+  if (func != null) {
+    try {
+      return funcToString.call(func);
+    } catch (e) {}
+    try {
+      return (func + '');
+    } catch (e) {}
+  }
+  return '';
+}
+
+module.exports = toSource;
diff --git a/web/public/node_modules/lodash/_trimmedEndIndex.js b/web/public/node_modules/lodash/_trimmedEndIndex.js
new file mode 100644
index 000000000..139439ad4
--- /dev/null
+++ b/web/public/node_modules/lodash/_trimmedEndIndex.js
@@ -0,0 +1,19 @@
+/** Used to match a single whitespace character. */
+var reWhitespace = /\s/;
+
+/**
+ * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
+ * character of `string`.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {number} Returns the index of the last non-whitespace character.
+ */
+function trimmedEndIndex(string) {
+  var index = string.length;
+
+  while (index-- && reWhitespace.test(string.charAt(index))) {}
+  return index;
+}
+
+module.exports = trimmedEndIndex;
diff --git a/web/public/node_modules/lodash/_unescapeHtmlChar.js b/web/public/node_modules/lodash/_unescapeHtmlChar.js
new file mode 100644
index 000000000..a71fecb3f
--- /dev/null
+++ b/web/public/node_modules/lodash/_unescapeHtmlChar.js
@@ -0,0 +1,21 @@
+var basePropertyOf = require('./_basePropertyOf');
+
+/** Used to map HTML entities to characters. */
+var htmlUnescapes = {
+  '&amp;': '&',
+  '&lt;': '<',
+  '&gt;': '>',
+  '&quot;': '"',
+  '&#39;': "'"
+};
+
+/**
+ * Used by `_.unescape` to convert HTML entities to characters.
+ *
+ * @private
+ * @param {string} chr The matched character to unescape.
+ * @returns {string} Returns the unescaped character.
+ */
+var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
+
+module.exports = unescapeHtmlChar;
diff --git a/web/public/node_modules/lodash/_unicodeSize.js b/web/public/node_modules/lodash/_unicodeSize.js
new file mode 100644
index 000000000..68137ec2c
--- /dev/null
+++ b/web/public/node_modules/lodash/_unicodeSize.js
@@ -0,0 +1,44 @@
+/** Used to compose unicode character classes. */
+var rsAstralRange = '\\ud800-\\udfff',
+    rsComboMarksRange = '\\u0300-\\u036f',
+    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+    rsVarRange = '\\ufe0e\\ufe0f';
+
+/** Used to compose unicode capture groups. */
+var rsAstral = '[' + rsAstralRange + ']',
+    rsCombo = '[' + rsComboRange + ']',
+    rsFitz = '\\ud83c[\\udffb-\\udfff]',
+    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+    rsNonAstral = '[^' + rsAstralRange + ']',
+    rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+    rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+    rsZWJ = '\\u200d';
+
+/** Used to compose unicode regexes. */
+var reOptMod = rsModifier + '?',
+    rsOptVar = '[' + rsVarRange + ']?',
+    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+    rsSeq = rsOptVar + reOptMod + rsOptJoin,
+    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+/**
+ * Gets the size of a Unicode `string`.
+ *
+ * @private
+ * @param {string} string The string inspect.
+ * @returns {number} Returns the string size.
+ */
+function unicodeSize(string) {
+  var result = reUnicode.lastIndex = 0;
+  while (reUnicode.test(string)) {
+    ++result;
+  }
+  return result;
+}
+
+module.exports = unicodeSize;
diff --git a/web/public/node_modules/lodash/_unicodeToArray.js b/web/public/node_modules/lodash/_unicodeToArray.js
new file mode 100644
index 000000000..2a725c062
--- /dev/null
+++ b/web/public/node_modules/lodash/_unicodeToArray.js
@@ -0,0 +1,40 @@
+/** Used to compose unicode character classes. */
+var rsAstralRange = '\\ud800-\\udfff',
+    rsComboMarksRange = '\\u0300-\\u036f',
+    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+    rsVarRange = '\\ufe0e\\ufe0f';
+
+/** Used to compose unicode capture groups. */
+var rsAstral = '[' + rsAstralRange + ']',
+    rsCombo = '[' + rsComboRange + ']',
+    rsFitz = '\\ud83c[\\udffb-\\udfff]',
+    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+    rsNonAstral = '[^' + rsAstralRange + ']',
+    rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+    rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+    rsZWJ = '\\u200d';
+
+/** Used to compose unicode regexes. */
+var reOptMod = rsModifier + '?',
+    rsOptVar = '[' + rsVarRange + ']?',
+    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+    rsSeq = rsOptVar + reOptMod + rsOptJoin,
+    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+/**
+ * Converts a Unicode `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function unicodeToArray(string) {
+  return string.match(reUnicode) || [];
+}
+
+module.exports = unicodeToArray;
diff --git a/web/public/node_modules/lodash/_unicodeWords.js b/web/public/node_modules/lodash/_unicodeWords.js
new file mode 100644
index 000000000..e72e6e0f9
--- /dev/null
+++ b/web/public/node_modules/lodash/_unicodeWords.js
@@ -0,0 +1,69 @@
+/** Used to compose unicode character classes. */
+var rsAstralRange = '\\ud800-\\udfff',
+    rsComboMarksRange = '\\u0300-\\u036f',
+    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+    rsDingbatRange = '\\u2700-\\u27bf',
+    rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
+    rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
+    rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
+    rsPunctuationRange = '\\u2000-\\u206f',
+    rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
+    rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
+    rsVarRange = '\\ufe0e\\ufe0f',
+    rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
+
+/** Used to compose unicode capture groups. */
+var rsApos = "['\u2019]",
+    rsBreak = '[' + rsBreakRange + ']',
+    rsCombo = '[' + rsComboRange + ']',
+    rsDigits = '\\d+',
+    rsDingbat = '[' + rsDingbatRange + ']',
+    rsLower = '[' + rsLowerRange + ']',
+    rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
+    rsFitz = '\\ud83c[\\udffb-\\udfff]',
+    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+    rsNonAstral = '[^' + rsAstralRange + ']',
+    rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+    rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+    rsUpper = '[' + rsUpperRange + ']',
+    rsZWJ = '\\u200d';
+
+/** Used to compose unicode regexes. */
+var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
+    rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
+    rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
+    rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
+    reOptMod = rsModifier + '?',
+    rsOptVar = '[' + rsVarRange + ']?',
+    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+    rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
+    rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
+    rsSeq = rsOptVar + reOptMod + rsOptJoin,
+    rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq;
+
+/** Used to match complex or compound words. */
+var reUnicodeWord = RegExp([
+  rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
+  rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
+  rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
+  rsUpper + '+' + rsOptContrUpper,
+  rsOrdUpper,
+  rsOrdLower,
+  rsDigits,
+  rsEmoji
+].join('|'), 'g');
+
+/**
+ * Splits a Unicode `string` into an array of its words.
+ *
+ * @private
+ * @param {string} The string to inspect.
+ * @returns {Array} Returns the words of `string`.
+ */
+function unicodeWords(string) {
+  return string.match(reUnicodeWord) || [];
+}
+
+module.exports = unicodeWords;
diff --git a/web/public/node_modules/lodash/_updateWrapDetails.js b/web/public/node_modules/lodash/_updateWrapDetails.js
new file mode 100644
index 000000000..8759fbdf7
--- /dev/null
+++ b/web/public/node_modules/lodash/_updateWrapDetails.js
@@ -0,0 +1,46 @@
+var arrayEach = require('./_arrayEach'),
+    arrayIncludes = require('./_arrayIncludes');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_BIND_KEY_FLAG = 2,
+    WRAP_CURRY_FLAG = 8,
+    WRAP_CURRY_RIGHT_FLAG = 16,
+    WRAP_PARTIAL_FLAG = 32,
+    WRAP_PARTIAL_RIGHT_FLAG = 64,
+    WRAP_ARY_FLAG = 128,
+    WRAP_REARG_FLAG = 256,
+    WRAP_FLIP_FLAG = 512;
+
+/** Used to associate wrap methods with their bit flags. */
+var wrapFlags = [
+  ['ary', WRAP_ARY_FLAG],
+  ['bind', WRAP_BIND_FLAG],
+  ['bindKey', WRAP_BIND_KEY_FLAG],
+  ['curry', WRAP_CURRY_FLAG],
+  ['curryRight', WRAP_CURRY_RIGHT_FLAG],
+  ['flip', WRAP_FLIP_FLAG],
+  ['partial', WRAP_PARTIAL_FLAG],
+  ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
+  ['rearg', WRAP_REARG_FLAG]
+];
+
+/**
+ * Updates wrapper `details` based on `bitmask` flags.
+ *
+ * @private
+ * @returns {Array} details The details to modify.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @returns {Array} Returns `details`.
+ */
+function updateWrapDetails(details, bitmask) {
+  arrayEach(wrapFlags, function(pair) {
+    var value = '_.' + pair[0];
+    if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
+      details.push(value);
+    }
+  });
+  return details.sort();
+}
+
+module.exports = updateWrapDetails;
diff --git a/web/public/node_modules/lodash/_wrapperClone.js b/web/public/node_modules/lodash/_wrapperClone.js
new file mode 100644
index 000000000..7bb58a2e8
--- /dev/null
+++ b/web/public/node_modules/lodash/_wrapperClone.js
@@ -0,0 +1,23 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    LodashWrapper = require('./_LodashWrapper'),
+    copyArray = require('./_copyArray');
+
+/**
+ * Creates a clone of `wrapper`.
+ *
+ * @private
+ * @param {Object} wrapper The wrapper to clone.
+ * @returns {Object} Returns the cloned wrapper.
+ */
+function wrapperClone(wrapper) {
+  if (wrapper instanceof LazyWrapper) {
+    return wrapper.clone();
+  }
+  var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+  result.__actions__ = copyArray(wrapper.__actions__);
+  result.__index__  = wrapper.__index__;
+  result.__values__ = wrapper.__values__;
+  return result;
+}
+
+module.exports = wrapperClone;
diff --git a/web/public/node_modules/lodash/add.js b/web/public/node_modules/lodash/add.js
new file mode 100644
index 000000000..f06951564
--- /dev/null
+++ b/web/public/node_modules/lodash/add.js
@@ -0,0 +1,22 @@
+var createMathOperation = require('./_createMathOperation');
+
+/**
+ * Adds two numbers.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.4.0
+ * @category Math
+ * @param {number} augend The first number in an addition.
+ * @param {number} addend The second number in an addition.
+ * @returns {number} Returns the total.
+ * @example
+ *
+ * _.add(6, 4);
+ * // => 10
+ */
+var add = createMathOperation(function(augend, addend) {
+  return augend + addend;
+}, 0);
+
+module.exports = add;
diff --git a/web/public/node_modules/lodash/after.js b/web/public/node_modules/lodash/after.js
new file mode 100644
index 000000000..3900c979a
--- /dev/null
+++ b/web/public/node_modules/lodash/after.js
@@ -0,0 +1,42 @@
+var toInteger = require('./toInteger');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * The opposite of `_.before`; this method creates a function that invokes
+ * `func` once it's called `n` or more times.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {number} n The number of calls before `func` is invoked.
+ * @param {Function} func The function to restrict.
+ * @returns {Function} Returns the new restricted function.
+ * @example
+ *
+ * var saves = ['profile', 'settings'];
+ *
+ * var done = _.after(saves.length, function() {
+ *   console.log('done saving!');
+ * });
+ *
+ * _.forEach(saves, function(type) {
+ *   asyncSave({ 'type': type, 'complete': done });
+ * });
+ * // => Logs 'done saving!' after the two async saves have completed.
+ */
+function after(n, func) {
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  n = toInteger(n);
+  return function() {
+    if (--n < 1) {
+      return func.apply(this, arguments);
+    }
+  };
+}
+
+module.exports = after;
diff --git a/web/public/node_modules/lodash/array.js b/web/public/node_modules/lodash/array.js
new file mode 100644
index 000000000..af688d3ee
--- /dev/null
+++ b/web/public/node_modules/lodash/array.js
@@ -0,0 +1,67 @@
+module.exports = {
+  'chunk': require('./chunk'),
+  'compact': require('./compact'),
+  'concat': require('./concat'),
+  'difference': require('./difference'),
+  'differenceBy': require('./differenceBy'),
+  'differenceWith': require('./differenceWith'),
+  'drop': require('./drop'),
+  'dropRight': require('./dropRight'),
+  'dropRightWhile': require('./dropRightWhile'),
+  'dropWhile': require('./dropWhile'),
+  'fill': require('./fill'),
+  'findIndex': require('./findIndex'),
+  'findLastIndex': require('./findLastIndex'),
+  'first': require('./first'),
+  'flatten': require('./flatten'),
+  'flattenDeep': require('./flattenDeep'),
+  'flattenDepth': require('./flattenDepth'),
+  'fromPairs': require('./fromPairs'),
+  'head': require('./head'),
+  'indexOf': require('./indexOf'),
+  'initial': require('./initial'),
+  'intersection': require('./intersection'),
+  'intersectionBy': require('./intersectionBy'),
+  'intersectionWith': require('./intersectionWith'),
+  'join': require('./join'),
+  'last': require('./last'),
+  'lastIndexOf': require('./lastIndexOf'),
+  'nth': require('./nth'),
+  'pull': require('./pull'),
+  'pullAll': require('./pullAll'),
+  'pullAllBy': require('./pullAllBy'),
+  'pullAllWith': require('./pullAllWith'),
+  'pullAt': require('./pullAt'),
+  'remove': require('./remove'),
+  'reverse': require('./reverse'),
+  'slice': require('./slice'),
+  'sortedIndex': require('./sortedIndex'),
+  'sortedIndexBy': require('./sortedIndexBy'),
+  'sortedIndexOf': require('./sortedIndexOf'),
+  'sortedLastIndex': require('./sortedLastIndex'),
+  'sortedLastIndexBy': require('./sortedLastIndexBy'),
+  'sortedLastIndexOf': require('./sortedLastIndexOf'),
+  'sortedUniq': require('./sortedUniq'),
+  'sortedUniqBy': require('./sortedUniqBy'),
+  'tail': require('./tail'),
+  'take': require('./take'),
+  'takeRight': require('./takeRight'),
+  'takeRightWhile': require('./takeRightWhile'),
+  'takeWhile': require('./takeWhile'),
+  'union': require('./union'),
+  'unionBy': require('./unionBy'),
+  'unionWith': require('./unionWith'),
+  'uniq': require('./uniq'),
+  'uniqBy': require('./uniqBy'),
+  'uniqWith': require('./uniqWith'),
+  'unzip': require('./unzip'),
+  'unzipWith': require('./unzipWith'),
+  'without': require('./without'),
+  'xor': require('./xor'),
+  'xorBy': require('./xorBy'),
+  'xorWith': require('./xorWith'),
+  'zip': require('./zip'),
+  'zipObject': require('./zipObject'),
+  'zipObjectDeep': require('./zipObjectDeep'),
+  'zipWith': require('./zipWith')
+};
diff --git a/web/public/node_modules/lodash/ary.js b/web/public/node_modules/lodash/ary.js
new file mode 100644
index 000000000..70c87d094
--- /dev/null
+++ b/web/public/node_modules/lodash/ary.js
@@ -0,0 +1,29 @@
+var createWrap = require('./_createWrap');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_ARY_FLAG = 128;
+
+/**
+ * Creates a function that invokes `func`, with up to `n` arguments,
+ * ignoring any additional arguments.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Function
+ * @param {Function} func The function to cap arguments for.
+ * @param {number} [n=func.length] The arity cap.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Function} Returns the new capped function.
+ * @example
+ *
+ * _.map(['6', '8', '10'], _.ary(parseInt, 1));
+ * // => [6, 8, 10]
+ */
+function ary(func, n, guard) {
+  n = guard ? undefined : n;
+  n = (func && n == null) ? func.length : n;
+  return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
+}
+
+module.exports = ary;
diff --git a/web/public/node_modules/lodash/assign.js b/web/public/node_modules/lodash/assign.js
new file mode 100644
index 000000000..909db26a3
--- /dev/null
+++ b/web/public/node_modules/lodash/assign.js
@@ -0,0 +1,58 @@
+var assignValue = require('./_assignValue'),
+    copyObject = require('./_copyObject'),
+    createAssigner = require('./_createAssigner'),
+    isArrayLike = require('./isArrayLike'),
+    isPrototype = require('./_isPrototype'),
+    keys = require('./keys');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Assigns own enumerable string keyed properties of source objects to the
+ * destination object. Source objects are applied from left to right.
+ * Subsequent sources overwrite property assignments of previous sources.
+ *
+ * **Note:** This method mutates `object` and is loosely based on
+ * [`Object.assign`](https://mdn.io/Object/assign).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.10.0
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} [sources] The source objects.
+ * @returns {Object} Returns `object`.
+ * @see _.assignIn
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ * }
+ *
+ * function Bar() {
+ *   this.c = 3;
+ * }
+ *
+ * Foo.prototype.b = 2;
+ * Bar.prototype.d = 4;
+ *
+ * _.assign({ 'a': 0 }, new Foo, new Bar);
+ * // => { 'a': 1, 'c': 3 }
+ */
+var assign = createAssigner(function(object, source) {
+  if (isPrototype(source) || isArrayLike(source)) {
+    copyObject(source, keys(source), object);
+    return;
+  }
+  for (var key in source) {
+    if (hasOwnProperty.call(source, key)) {
+      assignValue(object, key, source[key]);
+    }
+  }
+});
+
+module.exports = assign;
diff --git a/web/public/node_modules/lodash/assignIn.js b/web/public/node_modules/lodash/assignIn.js
new file mode 100644
index 000000000..e663473a0
--- /dev/null
+++ b/web/public/node_modules/lodash/assignIn.js
@@ -0,0 +1,40 @@
+var copyObject = require('./_copyObject'),
+    createAssigner = require('./_createAssigner'),
+    keysIn = require('./keysIn');
+
+/**
+ * This method is like `_.assign` except that it iterates over own and
+ * inherited source properties.
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @alias extend
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} [sources] The source objects.
+ * @returns {Object} Returns `object`.
+ * @see _.assign
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ * }
+ *
+ * function Bar() {
+ *   this.c = 3;
+ * }
+ *
+ * Foo.prototype.b = 2;
+ * Bar.prototype.d = 4;
+ *
+ * _.assignIn({ 'a': 0 }, new Foo, new Bar);
+ * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
+ */
+var assignIn = createAssigner(function(object, source) {
+  copyObject(source, keysIn(source), object);
+});
+
+module.exports = assignIn;
diff --git a/web/public/node_modules/lodash/assignInWith.js b/web/public/node_modules/lodash/assignInWith.js
new file mode 100644
index 000000000..68fcc0b03
--- /dev/null
+++ b/web/public/node_modules/lodash/assignInWith.js
@@ -0,0 +1,38 @@
+var copyObject = require('./_copyObject'),
+    createAssigner = require('./_createAssigner'),
+    keysIn = require('./keysIn');
+
+/**
+ * This method is like `_.assignIn` except that it accepts `customizer`
+ * which is invoked to produce the assigned values. If `customizer` returns
+ * `undefined`, assignment is handled by the method instead. The `customizer`
+ * is invoked with five arguments: (objValue, srcValue, key, object, source).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @alias extendWith
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} sources The source objects.
+ * @param {Function} [customizer] The function to customize assigned values.
+ * @returns {Object} Returns `object`.
+ * @see _.assignWith
+ * @example
+ *
+ * function customizer(objValue, srcValue) {
+ *   return _.isUndefined(objValue) ? srcValue : objValue;
+ * }
+ *
+ * var defaults = _.partialRight(_.assignInWith, customizer);
+ *
+ * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+ * // => { 'a': 1, 'b': 2 }
+ */
+var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
+  copyObject(source, keysIn(source), object, customizer);
+});
+
+module.exports = assignInWith;
diff --git a/web/public/node_modules/lodash/assignWith.js b/web/public/node_modules/lodash/assignWith.js
new file mode 100644
index 000000000..7dc6c761b
--- /dev/null
+++ b/web/public/node_modules/lodash/assignWith.js
@@ -0,0 +1,37 @@
+var copyObject = require('./_copyObject'),
+    createAssigner = require('./_createAssigner'),
+    keys = require('./keys');
+
+/**
+ * This method is like `_.assign` except that it accepts `customizer`
+ * which is invoked to produce the assigned values. If `customizer` returns
+ * `undefined`, assignment is handled by the method instead. The `customizer`
+ * is invoked with five arguments: (objValue, srcValue, key, object, source).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} sources The source objects.
+ * @param {Function} [customizer] The function to customize assigned values.
+ * @returns {Object} Returns `object`.
+ * @see _.assignInWith
+ * @example
+ *
+ * function customizer(objValue, srcValue) {
+ *   return _.isUndefined(objValue) ? srcValue : objValue;
+ * }
+ *
+ * var defaults = _.partialRight(_.assignWith, customizer);
+ *
+ * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+ * // => { 'a': 1, 'b': 2 }
+ */
+var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
+  copyObject(source, keys(source), object, customizer);
+});
+
+module.exports = assignWith;
diff --git a/web/public/node_modules/lodash/at.js b/web/public/node_modules/lodash/at.js
new file mode 100644
index 000000000..781ee9e5f
--- /dev/null
+++ b/web/public/node_modules/lodash/at.js
@@ -0,0 +1,23 @@
+var baseAt = require('./_baseAt'),
+    flatRest = require('./_flatRest');
+
+/**
+ * Creates an array of values corresponding to `paths` of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.0.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {...(string|string[])} [paths] The property paths to pick.
+ * @returns {Array} Returns the picked values.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+ *
+ * _.at(object, ['a[0].b.c', 'a[1]']);
+ * // => [3, 4]
+ */
+var at = flatRest(baseAt);
+
+module.exports = at;
diff --git a/web/public/node_modules/lodash/attempt.js b/web/public/node_modules/lodash/attempt.js
new file mode 100644
index 000000000..624d01524
--- /dev/null
+++ b/web/public/node_modules/lodash/attempt.js
@@ -0,0 +1,35 @@
+var apply = require('./_apply'),
+    baseRest = require('./_baseRest'),
+    isError = require('./isError');
+
+/**
+ * Attempts to invoke `func`, returning either the result or the caught error
+ * object. Any additional arguments are provided to `func` when it's invoked.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Util
+ * @param {Function} func The function to attempt.
+ * @param {...*} [args] The arguments to invoke `func` with.
+ * @returns {*} Returns the `func` result or error object.
+ * @example
+ *
+ * // Avoid throwing errors for invalid selectors.
+ * var elements = _.attempt(function(selector) {
+ *   return document.querySelectorAll(selector);
+ * }, '>_>');
+ *
+ * if (_.isError(elements)) {
+ *   elements = [];
+ * }
+ */
+var attempt = baseRest(function(func, args) {
+  try {
+    return apply(func, undefined, args);
+  } catch (e) {
+    return isError(e) ? e : new Error(e);
+  }
+});
+
+module.exports = attempt;
diff --git a/web/public/node_modules/lodash/before.js b/web/public/node_modules/lodash/before.js
new file mode 100644
index 000000000..a3e0a16c7
--- /dev/null
+++ b/web/public/node_modules/lodash/before.js
@@ -0,0 +1,40 @@
+var toInteger = require('./toInteger');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * Creates a function that invokes `func`, with the `this` binding and arguments
+ * of the created function, while it's called less than `n` times. Subsequent
+ * calls to the created function return the result of the last `func` invocation.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Function
+ * @param {number} n The number of calls at which `func` is no longer invoked.
+ * @param {Function} func The function to restrict.
+ * @returns {Function} Returns the new restricted function.
+ * @example
+ *
+ * jQuery(element).on('click', _.before(5, addContactToList));
+ * // => Allows adding up to 4 contacts to the list.
+ */
+function before(n, func) {
+  var result;
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  n = toInteger(n);
+  return function() {
+    if (--n > 0) {
+      result = func.apply(this, arguments);
+    }
+    if (n <= 1) {
+      func = undefined;
+    }
+    return result;
+  };
+}
+
+module.exports = before;
diff --git a/web/public/node_modules/lodash/bind.js b/web/public/node_modules/lodash/bind.js
new file mode 100644
index 000000000..b1076e93e
--- /dev/null
+++ b/web/public/node_modules/lodash/bind.js
@@ -0,0 +1,57 @@
+var baseRest = require('./_baseRest'),
+    createWrap = require('./_createWrap'),
+    getHolder = require('./_getHolder'),
+    replaceHolders = require('./_replaceHolders');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_PARTIAL_FLAG = 32;
+
+/**
+ * Creates a function that invokes `func` with the `this` binding of `thisArg`
+ * and `partials` prepended to the arguments it receives.
+ *
+ * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+ * may be used as a placeholder for partially applied arguments.
+ *
+ * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
+ * property of bound functions.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to bind.
+ * @param {*} thisArg The `this` binding of `func`.
+ * @param {...*} [partials] The arguments to be partially applied.
+ * @returns {Function} Returns the new bound function.
+ * @example
+ *
+ * function greet(greeting, punctuation) {
+ *   return greeting + ' ' + this.user + punctuation;
+ * }
+ *
+ * var object = { 'user': 'fred' };
+ *
+ * var bound = _.bind(greet, object, 'hi');
+ * bound('!');
+ * // => 'hi fred!'
+ *
+ * // Bound with placeholders.
+ * var bound = _.bind(greet, object, _, '!');
+ * bound('hi');
+ * // => 'hi fred!'
+ */
+var bind = baseRest(function(func, thisArg, partials) {
+  var bitmask = WRAP_BIND_FLAG;
+  if (partials.length) {
+    var holders = replaceHolders(partials, getHolder(bind));
+    bitmask |= WRAP_PARTIAL_FLAG;
+  }
+  return createWrap(func, bitmask, thisArg, partials, holders);
+});
+
+// Assign default placeholders.
+bind.placeholder = {};
+
+module.exports = bind;
diff --git a/web/public/node_modules/lodash/bindAll.js b/web/public/node_modules/lodash/bindAll.js
new file mode 100644
index 000000000..a35706dee
--- /dev/null
+++ b/web/public/node_modules/lodash/bindAll.js
@@ -0,0 +1,41 @@
+var arrayEach = require('./_arrayEach'),
+    baseAssignValue = require('./_baseAssignValue'),
+    bind = require('./bind'),
+    flatRest = require('./_flatRest'),
+    toKey = require('./_toKey');
+
+/**
+ * Binds methods of an object to the object itself, overwriting the existing
+ * method.
+ *
+ * **Note:** This method doesn't set the "length" property of bound functions.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {Object} object The object to bind and assign the bound methods to.
+ * @param {...(string|string[])} methodNames The object method names to bind.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var view = {
+ *   'label': 'docs',
+ *   'click': function() {
+ *     console.log('clicked ' + this.label);
+ *   }
+ * };
+ *
+ * _.bindAll(view, ['click']);
+ * jQuery(element).on('click', view.click);
+ * // => Logs 'clicked docs' when clicked.
+ */
+var bindAll = flatRest(function(object, methodNames) {
+  arrayEach(methodNames, function(key) {
+    key = toKey(key);
+    baseAssignValue(object, key, bind(object[key], object));
+  });
+  return object;
+});
+
+module.exports = bindAll;
diff --git a/web/public/node_modules/lodash/bindKey.js b/web/public/node_modules/lodash/bindKey.js
new file mode 100644
index 000000000..f7fd64cd4
--- /dev/null
+++ b/web/public/node_modules/lodash/bindKey.js
@@ -0,0 +1,68 @@
+var baseRest = require('./_baseRest'),
+    createWrap = require('./_createWrap'),
+    getHolder = require('./_getHolder'),
+    replaceHolders = require('./_replaceHolders');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1,
+    WRAP_BIND_KEY_FLAG = 2,
+    WRAP_PARTIAL_FLAG = 32;
+
+/**
+ * Creates a function that invokes the method at `object[key]` with `partials`
+ * prepended to the arguments it receives.
+ *
+ * This method differs from `_.bind` by allowing bound functions to reference
+ * methods that may be redefined or don't yet exist. See
+ * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
+ * for more details.
+ *
+ * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
+ * builds, may be used as a placeholder for partially applied arguments.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.10.0
+ * @category Function
+ * @param {Object} object The object to invoke the method on.
+ * @param {string} key The key of the method.
+ * @param {...*} [partials] The arguments to be partially applied.
+ * @returns {Function} Returns the new bound function.
+ * @example
+ *
+ * var object = {
+ *   'user': 'fred',
+ *   'greet': function(greeting, punctuation) {
+ *     return greeting + ' ' + this.user + punctuation;
+ *   }
+ * };
+ *
+ * var bound = _.bindKey(object, 'greet', 'hi');
+ * bound('!');
+ * // => 'hi fred!'
+ *
+ * object.greet = function(greeting, punctuation) {
+ *   return greeting + 'ya ' + this.user + punctuation;
+ * };
+ *
+ * bound('!');
+ * // => 'hiya fred!'
+ *
+ * // Bound with placeholders.
+ * var bound = _.bindKey(object, 'greet', _, '!');
+ * bound('hi');
+ * // => 'hiya fred!'
+ */
+var bindKey = baseRest(function(object, key, partials) {
+  var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
+  if (partials.length) {
+    var holders = replaceHolders(partials, getHolder(bindKey));
+    bitmask |= WRAP_PARTIAL_FLAG;
+  }
+  return createWrap(key, bitmask, object, partials, holders);
+});
+
+// Assign default placeholders.
+bindKey.placeholder = {};
+
+module.exports = bindKey;
diff --git a/web/public/node_modules/lodash/camelCase.js b/web/public/node_modules/lodash/camelCase.js
new file mode 100644
index 000000000..d7390def5
--- /dev/null
+++ b/web/public/node_modules/lodash/camelCase.js
@@ -0,0 +1,29 @@
+var capitalize = require('./capitalize'),
+    createCompounder = require('./_createCompounder');
+
+/**
+ * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the camel cased string.
+ * @example
+ *
+ * _.camelCase('Foo Bar');
+ * // => 'fooBar'
+ *
+ * _.camelCase('--foo-bar--');
+ * // => 'fooBar'
+ *
+ * _.camelCase('__FOO_BAR__');
+ * // => 'fooBar'
+ */
+var camelCase = createCompounder(function(result, word, index) {
+  word = word.toLowerCase();
+  return result + (index ? capitalize(word) : word);
+});
+
+module.exports = camelCase;
diff --git a/web/public/node_modules/lodash/capitalize.js b/web/public/node_modules/lodash/capitalize.js
new file mode 100644
index 000000000..3e1600e7d
--- /dev/null
+++ b/web/public/node_modules/lodash/capitalize.js
@@ -0,0 +1,23 @@
+var toString = require('./toString'),
+    upperFirst = require('./upperFirst');
+
+/**
+ * Converts the first character of `string` to upper case and the remaining
+ * to lower case.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to capitalize.
+ * @returns {string} Returns the capitalized string.
+ * @example
+ *
+ * _.capitalize('FRED');
+ * // => 'Fred'
+ */
+function capitalize(string) {
+  return upperFirst(toString(string).toLowerCase());
+}
+
+module.exports = capitalize;
diff --git a/web/public/node_modules/lodash/castArray.js b/web/public/node_modules/lodash/castArray.js
new file mode 100644
index 000000000..e470bdb9b
--- /dev/null
+++ b/web/public/node_modules/lodash/castArray.js
@@ -0,0 +1,44 @@
+var isArray = require('./isArray');
+
+/**
+ * Casts `value` as an array if it's not one.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.4.0
+ * @category Lang
+ * @param {*} value The value to inspect.
+ * @returns {Array} Returns the cast array.
+ * @example
+ *
+ * _.castArray(1);
+ * // => [1]
+ *
+ * _.castArray({ 'a': 1 });
+ * // => [{ 'a': 1 }]
+ *
+ * _.castArray('abc');
+ * // => ['abc']
+ *
+ * _.castArray(null);
+ * // => [null]
+ *
+ * _.castArray(undefined);
+ * // => [undefined]
+ *
+ * _.castArray();
+ * // => []
+ *
+ * var array = [1, 2, 3];
+ * console.log(_.castArray(array) === array);
+ * // => true
+ */
+function castArray() {
+  if (!arguments.length) {
+    return [];
+  }
+  var value = arguments[0];
+  return isArray(value) ? value : [value];
+}
+
+module.exports = castArray;
diff --git a/web/public/node_modules/lodash/ceil.js b/web/public/node_modules/lodash/ceil.js
new file mode 100644
index 000000000..56c8722cf
--- /dev/null
+++ b/web/public/node_modules/lodash/ceil.js
@@ -0,0 +1,26 @@
+var createRound = require('./_createRound');
+
+/**
+ * Computes `number` rounded up to `precision`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.10.0
+ * @category Math
+ * @param {number} number The number to round up.
+ * @param {number} [precision=0] The precision to round up to.
+ * @returns {number} Returns the rounded up number.
+ * @example
+ *
+ * _.ceil(4.006);
+ * // => 5
+ *
+ * _.ceil(6.004, 2);
+ * // => 6.01
+ *
+ * _.ceil(6040, -2);
+ * // => 6100
+ */
+var ceil = createRound('ceil');
+
+module.exports = ceil;
diff --git a/web/public/node_modules/lodash/chain.js b/web/public/node_modules/lodash/chain.js
new file mode 100644
index 000000000..f6cd6475f
--- /dev/null
+++ b/web/public/node_modules/lodash/chain.js
@@ -0,0 +1,38 @@
+var lodash = require('./wrapperLodash');
+
+/**
+ * Creates a `lodash` wrapper instance that wraps `value` with explicit method
+ * chain sequences enabled. The result of such sequences must be unwrapped
+ * with `_#value`.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.3.0
+ * @category Seq
+ * @param {*} value The value to wrap.
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'age': 36 },
+ *   { 'user': 'fred',    'age': 40 },
+ *   { 'user': 'pebbles', 'age': 1 }
+ * ];
+ *
+ * var youngest = _
+ *   .chain(users)
+ *   .sortBy('age')
+ *   .map(function(o) {
+ *     return o.user + ' is ' + o.age;
+ *   })
+ *   .head()
+ *   .value();
+ * // => 'pebbles is 1'
+ */
+function chain(value) {
+  var result = lodash(value);
+  result.__chain__ = true;
+  return result;
+}
+
+module.exports = chain;
diff --git a/web/public/node_modules/lodash/chunk.js b/web/public/node_modules/lodash/chunk.js
new file mode 100644
index 000000000..5b562fef3
--- /dev/null
+++ b/web/public/node_modules/lodash/chunk.js
@@ -0,0 +1,50 @@
+var baseSlice = require('./_baseSlice'),
+    isIterateeCall = require('./_isIterateeCall'),
+    toInteger = require('./toInteger');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil,
+    nativeMax = Math.max;
+
+/**
+ * Creates an array of elements split into groups the length of `size`.
+ * If `array` can't be split evenly, the final chunk will be the remaining
+ * elements.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to process.
+ * @param {number} [size=1] The length of each chunk
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the new array of chunks.
+ * @example
+ *
+ * _.chunk(['a', 'b', 'c', 'd'], 2);
+ * // => [['a', 'b'], ['c', 'd']]
+ *
+ * _.chunk(['a', 'b', 'c', 'd'], 3);
+ * // => [['a', 'b', 'c'], ['d']]
+ */
+function chunk(array, size, guard) {
+  if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+    size = 1;
+  } else {
+    size = nativeMax(toInteger(size), 0);
+  }
+  var length = array == null ? 0 : array.length;
+  if (!length || size < 1) {
+    return [];
+  }
+  var index = 0,
+      resIndex = 0,
+      result = Array(nativeCeil(length / size));
+
+  while (index < length) {
+    result[resIndex++] = baseSlice(array, index, (index += size));
+  }
+  return result;
+}
+
+module.exports = chunk;
diff --git a/web/public/node_modules/lodash/clamp.js b/web/public/node_modules/lodash/clamp.js
new file mode 100644
index 000000000..91a72c978
--- /dev/null
+++ b/web/public/node_modules/lodash/clamp.js
@@ -0,0 +1,39 @@
+var baseClamp = require('./_baseClamp'),
+    toNumber = require('./toNumber');
+
+/**
+ * Clamps `number` within the inclusive `lower` and `upper` bounds.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Number
+ * @param {number} number The number to clamp.
+ * @param {number} [lower] The lower bound.
+ * @param {number} upper The upper bound.
+ * @returns {number} Returns the clamped number.
+ * @example
+ *
+ * _.clamp(-10, -5, 5);
+ * // => -5
+ *
+ * _.clamp(10, -5, 5);
+ * // => 5
+ */
+function clamp(number, lower, upper) {
+  if (upper === undefined) {
+    upper = lower;
+    lower = undefined;
+  }
+  if (upper !== undefined) {
+    upper = toNumber(upper);
+    upper = upper === upper ? upper : 0;
+  }
+  if (lower !== undefined) {
+    lower = toNumber(lower);
+    lower = lower === lower ? lower : 0;
+  }
+  return baseClamp(toNumber(number), lower, upper);
+}
+
+module.exports = clamp;
diff --git a/web/public/node_modules/lodash/clone.js b/web/public/node_modules/lodash/clone.js
new file mode 100644
index 000000000..dd439d639
--- /dev/null
+++ b/web/public/node_modules/lodash/clone.js
@@ -0,0 +1,36 @@
+var baseClone = require('./_baseClone');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_SYMBOLS_FLAG = 4;
+
+/**
+ * Creates a shallow clone of `value`.
+ *
+ * **Note:** This method is loosely based on the
+ * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
+ * and supports cloning arrays, array buffers, booleans, date objects, maps,
+ * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
+ * arrays. The own enumerable properties of `arguments` objects are cloned
+ * as plain objects. An empty object is returned for uncloneable values such
+ * as error objects, functions, DOM nodes, and WeakMaps.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to clone.
+ * @returns {*} Returns the cloned value.
+ * @see _.cloneDeep
+ * @example
+ *
+ * var objects = [{ 'a': 1 }, { 'b': 2 }];
+ *
+ * var shallow = _.clone(objects);
+ * console.log(shallow[0] === objects[0]);
+ * // => true
+ */
+function clone(value) {
+  return baseClone(value, CLONE_SYMBOLS_FLAG);
+}
+
+module.exports = clone;
diff --git a/web/public/node_modules/lodash/cloneDeep.js b/web/public/node_modules/lodash/cloneDeep.js
new file mode 100644
index 000000000..4425fbe8b
--- /dev/null
+++ b/web/public/node_modules/lodash/cloneDeep.js
@@ -0,0 +1,29 @@
+var baseClone = require('./_baseClone');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1,
+    CLONE_SYMBOLS_FLAG = 4;
+
+/**
+ * This method is like `_.clone` except that it recursively clones `value`.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.0.0
+ * @category Lang
+ * @param {*} value The value to recursively clone.
+ * @returns {*} Returns the deep cloned value.
+ * @see _.clone
+ * @example
+ *
+ * var objects = [{ 'a': 1 }, { 'b': 2 }];
+ *
+ * var deep = _.cloneDeep(objects);
+ * console.log(deep[0] === objects[0]);
+ * // => false
+ */
+function cloneDeep(value) {
+  return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
+}
+
+module.exports = cloneDeep;
diff --git a/web/public/node_modules/lodash/cloneDeepWith.js b/web/public/node_modules/lodash/cloneDeepWith.js
new file mode 100644
index 000000000..fd9c6c050
--- /dev/null
+++ b/web/public/node_modules/lodash/cloneDeepWith.js
@@ -0,0 +1,40 @@
+var baseClone = require('./_baseClone');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1,
+    CLONE_SYMBOLS_FLAG = 4;
+
+/**
+ * This method is like `_.cloneWith` except that it recursively clones `value`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to recursively clone.
+ * @param {Function} [customizer] The function to customize cloning.
+ * @returns {*} Returns the deep cloned value.
+ * @see _.cloneWith
+ * @example
+ *
+ * function customizer(value) {
+ *   if (_.isElement(value)) {
+ *     return value.cloneNode(true);
+ *   }
+ * }
+ *
+ * var el = _.cloneDeepWith(document.body, customizer);
+ *
+ * console.log(el === document.body);
+ * // => false
+ * console.log(el.nodeName);
+ * // => 'BODY'
+ * console.log(el.childNodes.length);
+ * // => 20
+ */
+function cloneDeepWith(value, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+}
+
+module.exports = cloneDeepWith;
diff --git a/web/public/node_modules/lodash/cloneWith.js b/web/public/node_modules/lodash/cloneWith.js
new file mode 100644
index 000000000..d2f4e756d
--- /dev/null
+++ b/web/public/node_modules/lodash/cloneWith.js
@@ -0,0 +1,42 @@
+var baseClone = require('./_baseClone');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_SYMBOLS_FLAG = 4;
+
+/**
+ * This method is like `_.clone` except that it accepts `customizer` which
+ * is invoked to produce the cloned value. If `customizer` returns `undefined`,
+ * cloning is handled by the method instead. The `customizer` is invoked with
+ * up to four arguments; (value [, index|key, object, stack]).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to clone.
+ * @param {Function} [customizer] The function to customize cloning.
+ * @returns {*} Returns the cloned value.
+ * @see _.cloneDeepWith
+ * @example
+ *
+ * function customizer(value) {
+ *   if (_.isElement(value)) {
+ *     return value.cloneNode(false);
+ *   }
+ * }
+ *
+ * var el = _.cloneWith(document.body, customizer);
+ *
+ * console.log(el === document.body);
+ * // => false
+ * console.log(el.nodeName);
+ * // => 'BODY'
+ * console.log(el.childNodes.length);
+ * // => 0
+ */
+function cloneWith(value, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
+}
+
+module.exports = cloneWith;
diff --git a/web/public/node_modules/lodash/collection.js b/web/public/node_modules/lodash/collection.js
new file mode 100644
index 000000000..77fe837f3
--- /dev/null
+++ b/web/public/node_modules/lodash/collection.js
@@ -0,0 +1,30 @@
+module.exports = {
+  'countBy': require('./countBy'),
+  'each': require('./each'),
+  'eachRight': require('./eachRight'),
+  'every': require('./every'),
+  'filter': require('./filter'),
+  'find': require('./find'),
+  'findLast': require('./findLast'),
+  'flatMap': require('./flatMap'),
+  'flatMapDeep': require('./flatMapDeep'),
+  'flatMapDepth': require('./flatMapDepth'),
+  'forEach': require('./forEach'),
+  'forEachRight': require('./forEachRight'),
+  'groupBy': require('./groupBy'),
+  'includes': require('./includes'),
+  'invokeMap': require('./invokeMap'),
+  'keyBy': require('./keyBy'),
+  'map': require('./map'),
+  'orderBy': require('./orderBy'),
+  'partition': require('./partition'),
+  'reduce': require('./reduce'),
+  'reduceRight': require('./reduceRight'),
+  'reject': require('./reject'),
+  'sample': require('./sample'),
+  'sampleSize': require('./sampleSize'),
+  'shuffle': require('./shuffle'),
+  'size': require('./size'),
+  'some': require('./some'),
+  'sortBy': require('./sortBy')
+};
diff --git a/web/public/node_modules/lodash/commit.js b/web/public/node_modules/lodash/commit.js
new file mode 100644
index 000000000..fe4db7178
--- /dev/null
+++ b/web/public/node_modules/lodash/commit.js
@@ -0,0 +1,33 @@
+var LodashWrapper = require('./_LodashWrapper');
+
+/**
+ * Executes the chain sequence and returns the wrapped result.
+ *
+ * @name commit
+ * @memberOf _
+ * @since 3.2.0
+ * @category Seq
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * var array = [1, 2];
+ * var wrapped = _(array).push(3);
+ *
+ * console.log(array);
+ * // => [1, 2]
+ *
+ * wrapped = wrapped.commit();
+ * console.log(array);
+ * // => [1, 2, 3]
+ *
+ * wrapped.last();
+ * // => 3
+ *
+ * console.log(array);
+ * // => [1, 2, 3]
+ */
+function wrapperCommit() {
+  return new LodashWrapper(this.value(), this.__chain__);
+}
+
+module.exports = wrapperCommit;
diff --git a/web/public/node_modules/lodash/compact.js b/web/public/node_modules/lodash/compact.js
new file mode 100644
index 000000000..031fab4e6
--- /dev/null
+++ b/web/public/node_modules/lodash/compact.js
@@ -0,0 +1,31 @@
+/**
+ * Creates an array with all falsey values removed. The values `false`, `null`,
+ * `0`, `""`, `undefined`, and `NaN` are falsey.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to compact.
+ * @returns {Array} Returns the new array of filtered values.
+ * @example
+ *
+ * _.compact([0, 1, false, 2, '', 3]);
+ * // => [1, 2, 3]
+ */
+function compact(array) {
+  var index = -1,
+      length = array == null ? 0 : array.length,
+      resIndex = 0,
+      result = [];
+
+  while (++index < length) {
+    var value = array[index];
+    if (value) {
+      result[resIndex++] = value;
+    }
+  }
+  return result;
+}
+
+module.exports = compact;
diff --git a/web/public/node_modules/lodash/concat.js b/web/public/node_modules/lodash/concat.js
new file mode 100644
index 000000000..1da48a4fc
--- /dev/null
+++ b/web/public/node_modules/lodash/concat.js
@@ -0,0 +1,43 @@
+var arrayPush = require('./_arrayPush'),
+    baseFlatten = require('./_baseFlatten'),
+    copyArray = require('./_copyArray'),
+    isArray = require('./isArray');
+
+/**
+ * Creates a new array concatenating `array` with any additional arrays
+ * and/or values.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to concatenate.
+ * @param {...*} [values] The values to concatenate.
+ * @returns {Array} Returns the new concatenated array.
+ * @example
+ *
+ * var array = [1];
+ * var other = _.concat(array, 2, [3], [[4]]);
+ *
+ * console.log(other);
+ * // => [1, 2, 3, [4]]
+ *
+ * console.log(array);
+ * // => [1]
+ */
+function concat() {
+  var length = arguments.length;
+  if (!length) {
+    return [];
+  }
+  var args = Array(length - 1),
+      array = arguments[0],
+      index = length;
+
+  while (index--) {
+    args[index - 1] = arguments[index];
+  }
+  return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+}
+
+module.exports = concat;
diff --git a/web/public/node_modules/lodash/cond.js b/web/public/node_modules/lodash/cond.js
new file mode 100644
index 000000000..64555986a
--- /dev/null
+++ b/web/public/node_modules/lodash/cond.js
@@ -0,0 +1,60 @@
+var apply = require('./_apply'),
+    arrayMap = require('./_arrayMap'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * Creates a function that iterates over `pairs` and invokes the corresponding
+ * function of the first predicate to return truthy. The predicate-function
+ * pairs are invoked with the `this` binding and arguments of the created
+ * function.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {Array} pairs The predicate-function pairs.
+ * @returns {Function} Returns the new composite function.
+ * @example
+ *
+ * var func = _.cond([
+ *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
+ *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
+ *   [_.stubTrue,                      _.constant('no match')]
+ * ]);
+ *
+ * func({ 'a': 1, 'b': 2 });
+ * // => 'matches A'
+ *
+ * func({ 'a': 0, 'b': 1 });
+ * // => 'matches B'
+ *
+ * func({ 'a': '1', 'b': '2' });
+ * // => 'no match'
+ */
+function cond(pairs) {
+  var length = pairs == null ? 0 : pairs.length,
+      toIteratee = baseIteratee;
+
+  pairs = !length ? [] : arrayMap(pairs, function(pair) {
+    if (typeof pair[1] != 'function') {
+      throw new TypeError(FUNC_ERROR_TEXT);
+    }
+    return [toIteratee(pair[0]), pair[1]];
+  });
+
+  return baseRest(function(args) {
+    var index = -1;
+    while (++index < length) {
+      var pair = pairs[index];
+      if (apply(pair[0], this, args)) {
+        return apply(pair[1], this, args);
+      }
+    }
+  });
+}
+
+module.exports = cond;
diff --git a/web/public/node_modules/lodash/conforms.js b/web/public/node_modules/lodash/conforms.js
new file mode 100644
index 000000000..5501a949a
--- /dev/null
+++ b/web/public/node_modules/lodash/conforms.js
@@ -0,0 +1,35 @@
+var baseClone = require('./_baseClone'),
+    baseConforms = require('./_baseConforms');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1;
+
+/**
+ * Creates a function that invokes the predicate properties of `source` with
+ * the corresponding property values of a given object, returning `true` if
+ * all predicates return truthy, else `false`.
+ *
+ * **Note:** The created function is equivalent to `_.conformsTo` with
+ * `source` partially applied.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {Object} source The object of property predicates to conform to.
+ * @returns {Function} Returns the new spec function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': 2, 'b': 1 },
+ *   { 'a': 1, 'b': 2 }
+ * ];
+ *
+ * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
+ * // => [{ 'a': 1, 'b': 2 }]
+ */
+function conforms(source) {
+  return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
+}
+
+module.exports = conforms;
diff --git a/web/public/node_modules/lodash/conformsTo.js b/web/public/node_modules/lodash/conformsTo.js
new file mode 100644
index 000000000..b8a93ebf4
--- /dev/null
+++ b/web/public/node_modules/lodash/conformsTo.js
@@ -0,0 +1,32 @@
+var baseConformsTo = require('./_baseConformsTo'),
+    keys = require('./keys');
+
+/**
+ * Checks if `object` conforms to `source` by invoking the predicate
+ * properties of `source` with the corresponding property values of `object`.
+ *
+ * **Note:** This method is equivalent to `_.conforms` when `source` is
+ * partially applied.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.14.0
+ * @category Lang
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property predicates to conform to.
+ * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': 2 };
+ *
+ * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
+ * // => true
+ *
+ * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
+ * // => false
+ */
+function conformsTo(object, source) {
+  return source == null || baseConformsTo(object, source, keys(source));
+}
+
+module.exports = conformsTo;
diff --git a/web/public/node_modules/lodash/constant.js b/web/public/node_modules/lodash/constant.js
new file mode 100644
index 000000000..655ece3fb
--- /dev/null
+++ b/web/public/node_modules/lodash/constant.js
@@ -0,0 +1,26 @@
+/**
+ * Creates a function that returns `value`.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Util
+ * @param {*} value The value to return from the new function.
+ * @returns {Function} Returns the new constant function.
+ * @example
+ *
+ * var objects = _.times(2, _.constant({ 'a': 1 }));
+ *
+ * console.log(objects);
+ * // => [{ 'a': 1 }, { 'a': 1 }]
+ *
+ * console.log(objects[0] === objects[1]);
+ * // => true
+ */
+function constant(value) {
+  return function() {
+    return value;
+  };
+}
+
+module.exports = constant;
diff --git a/web/public/node_modules/lodash/core.js b/web/public/node_modules/lodash/core.js
new file mode 100644
index 000000000..be1d567d6
--- /dev/null
+++ b/web/public/node_modules/lodash/core.js
@@ -0,0 +1,3877 @@
+/**
+ * @license
+ * Lodash (Custom Build) <https://lodash.com/>
+ * Build: `lodash core -o ./dist/lodash.core.js`
+ * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+ * Released under MIT license <https://lodash.com/license>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
+;(function() {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /** Used as the semantic version number. */
+  var VERSION = '4.17.21';
+
+  /** Error message constants. */
+  var FUNC_ERROR_TEXT = 'Expected a function';
+
+  /** Used to compose bitmasks for value comparisons. */
+  var COMPARE_PARTIAL_FLAG = 1,
+      COMPARE_UNORDERED_FLAG = 2;
+
+  /** Used to compose bitmasks for function metadata. */
+  var WRAP_BIND_FLAG = 1,
+      WRAP_PARTIAL_FLAG = 32;
+
+  /** Used as references for various `Number` constants. */
+  var INFINITY = 1 / 0,
+      MAX_SAFE_INTEGER = 9007199254740991;
+
+  /** `Object#toString` result references. */
+  var argsTag = '[object Arguments]',
+      arrayTag = '[object Array]',
+      asyncTag = '[object AsyncFunction]',
+      boolTag = '[object Boolean]',
+      dateTag = '[object Date]',
+      errorTag = '[object Error]',
+      funcTag = '[object Function]',
+      genTag = '[object GeneratorFunction]',
+      numberTag = '[object Number]',
+      objectTag = '[object Object]',
+      proxyTag = '[object Proxy]',
+      regexpTag = '[object RegExp]',
+      stringTag = '[object String]';
+
+  /** Used to match HTML entities and HTML characters. */
+  var reUnescapedHtml = /[&<>"']/g,
+      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+
+  /** Used to detect unsigned integer values. */
+  var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+  /** Used to map characters to HTML entities. */
+  var htmlEscapes = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;'
+  };
+
+  /** Detect free variable `global` from Node.js. */
+  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+  /** Detect free variable `self`. */
+  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+  /** Used as a reference to the global object. */
+  var root = freeGlobal || freeSelf || Function('return this')();
+
+  /** Detect free variable `exports`. */
+  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+  /** Detect free variable `module`. */
+  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Appends the elements of `values` to `array`.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {Array} values The values to append.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayPush(array, values) {
+    array.push.apply(array, values);
+    return array;
+  }
+
+  /**
+   * The base implementation of `_.findIndex` and `_.findLastIndex` without
+   * support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {number} fromIndex The index to search from.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseFindIndex(array, predicate, fromIndex, fromRight) {
+    var length = array.length,
+        index = fromIndex + (fromRight ? 1 : -1);
+
+    while ((fromRight ? index-- : ++index < length)) {
+      if (predicate(array[index], index, array)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.property` without support for deep paths.
+   *
+   * @private
+   * @param {string} key The key of the property to get.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function baseProperty(key) {
+    return function(object) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.propertyOf` without support for deep paths.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function basePropertyOf(object) {
+    return function(key) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.reduce` and `_.reduceRight`, without support
+   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} accumulator The initial value.
+   * @param {boolean} initAccum Specify using the first or last element of
+   *  `collection` as the initial value.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the accumulated value.
+   */
+  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+    eachFunc(collection, function(value, index, collection) {
+      accumulator = initAccum
+        ? (initAccum = false, value)
+        : iteratee(accumulator, value, index, collection);
+    });
+    return accumulator;
+  }
+
+  /**
+   * The base implementation of `_.values` and `_.valuesIn` which creates an
+   * array of `object` property values corresponding to the property names
+   * of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the array of property values.
+   */
+  function baseValues(object, props) {
+    return baseMap(props, function(key) {
+      return object[key];
+    });
+  }
+
+  /**
+   * Used by `_.escape` to convert characters to HTML entities.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  var escapeHtmlChar = basePropertyOf(htmlEscapes);
+
+  /**
+   * Creates a unary function that invokes `func` with its argument transformed.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {Function} transform The argument transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overArg(func, transform) {
+    return function(arg) {
+      return func(transform(arg));
+    };
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /** Used for built-in method references. */
+  var arrayProto = Array.prototype,
+      objectProto = Object.prototype;
+
+  /** Used to check objects for own properties. */
+  var hasOwnProperty = objectProto.hasOwnProperty;
+
+  /** Used to generate unique IDs. */
+  var idCounter = 0;
+
+  /**
+   * Used to resolve the
+   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+   * of values.
+   */
+  var nativeObjectToString = objectProto.toString;
+
+  /** Used to restore the original `_` reference in `_.noConflict`. */
+  var oldDash = root._;
+
+  /** Built-in value references. */
+  var objectCreate = Object.create,
+      propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
+  /* Built-in method references for those with the same name as other `lodash` methods. */
+  var nativeIsFinite = root.isFinite,
+      nativeKeys = overArg(Object.keys, Object),
+      nativeMax = Math.max;
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Creates a `lodash` object which wraps `value` to enable implicit method
+   * chain sequences. Methods that operate on and return arrays, collections,
+   * and functions can be chained together. Methods that retrieve a single value
+   * or may return a primitive value will automatically end the chain sequence
+   * and return the unwrapped value. Otherwise, the value must be unwrapped
+   * with `_#value`.
+   *
+   * Explicit chain sequences, which must be unwrapped with `_#value`, may be
+   * enabled using `_.chain`.
+   *
+   * The execution of chained methods is lazy, that is, it's deferred until
+   * `_#value` is implicitly or explicitly called.
+   *
+   * Lazy evaluation allows several methods to support shortcut fusion.
+   * Shortcut fusion is an optimization to merge iteratee calls; this avoids
+   * the creation of intermediate arrays and can greatly reduce the number of
+   * iteratee executions. Sections of a chain sequence qualify for shortcut
+   * fusion if the section is applied to an array and iteratees accept only
+   * one argument. The heuristic for whether a section qualifies for shortcut
+   * fusion is subject to change.
+   *
+   * Chaining is supported in custom builds as long as the `_#value` method is
+   * directly or indirectly included in the build.
+   *
+   * In addition to lodash methods, wrappers have `Array` and `String` methods.
+   *
+   * The wrapper `Array` methods are:
+   * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
+   *
+   * The wrapper `String` methods are:
+   * `replace` and `split`
+   *
+   * The wrapper methods that support shortcut fusion are:
+   * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
+   * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
+   * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
+   *
+   * The chainable wrapper methods are:
+   * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
+   * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
+   * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
+   * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
+   * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
+   * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
+   * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
+   * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
+   * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
+   * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
+   * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
+   * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
+   * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
+   * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
+   * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
+   * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
+   * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
+   * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
+   * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
+   * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
+   * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
+   * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
+   * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
+   * `zipObject`, `zipObjectDeep`, and `zipWith`
+   *
+   * The wrapper methods that are **not** chainable by default are:
+   * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
+   * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
+   * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
+   * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
+   * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
+   * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
+   * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
+   * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
+   * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
+   * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
+   * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
+   * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
+   * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
+   * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
+   * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
+   * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
+   * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
+   * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
+   * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
+   * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
+   * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
+   * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
+   * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
+   * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
+   * `upperFirst`, `value`, and `words`
+   *
+   * @name _
+   * @constructor
+   * @category Seq
+   * @param {*} value The value to wrap in a `lodash` instance.
+   * @returns {Object} Returns the new `lodash` wrapper instance.
+   * @example
+   *
+   * function square(n) {
+   *   return n * n;
+   * }
+   *
+   * var wrapped = _([1, 2, 3]);
+   *
+   * // Returns an unwrapped value.
+   * wrapped.reduce(_.add);
+   * // => 6
+   *
+   * // Returns a wrapped value.
+   * var squares = wrapped.map(square);
+   *
+   * _.isArray(squares);
+   * // => false
+   *
+   * _.isArray(squares.value());
+   * // => true
+   */
+  function lodash(value) {
+    return value instanceof LodashWrapper
+      ? value
+      : new LodashWrapper(value);
+  }
+
+  /**
+   * The base implementation of `_.create` without support for assigning
+   * properties to the created object.
+   *
+   * @private
+   * @param {Object} proto The object to inherit from.
+   * @returns {Object} Returns the new object.
+   */
+  var baseCreate = (function() {
+    function object() {}
+    return function(proto) {
+      if (!isObject(proto)) {
+        return {};
+      }
+      if (objectCreate) {
+        return objectCreate(proto);
+      }
+      object.prototype = proto;
+      var result = new object;
+      object.prototype = undefined;
+      return result;
+    };
+  }());
+
+  /**
+   * The base constructor for creating `lodash` wrapper objects.
+   *
+   * @private
+   * @param {*} value The value to wrap.
+   * @param {boolean} [chainAll] Enable explicit method chain sequences.
+   */
+  function LodashWrapper(value, chainAll) {
+    this.__wrapped__ = value;
+    this.__actions__ = [];
+    this.__chain__ = !!chainAll;
+  }
+
+  LodashWrapper.prototype = baseCreate(lodash.prototype);
+  LodashWrapper.prototype.constructor = LodashWrapper;
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Assigns `value` to `key` of `object` if the existing value is not equivalent
+   * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+   * for equality comparisons.
+   *
+   * @private
+   * @param {Object} object The object to modify.
+   * @param {string} key The key of the property to assign.
+   * @param {*} value The value to assign.
+   */
+  function assignValue(object, key, value) {
+    var objValue = object[key];
+    if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
+        (value === undefined && !(key in object))) {
+      baseAssignValue(object, key, value);
+    }
+  }
+
+  /**
+   * The base implementation of `assignValue` and `assignMergeValue` without
+   * value checks.
+   *
+   * @private
+   * @param {Object} object The object to modify.
+   * @param {string} key The key of the property to assign.
+   * @param {*} value The value to assign.
+   */
+  function baseAssignValue(object, key, value) {
+    object[key] = value;
+  }
+
+  /**
+   * The base implementation of `_.delay` and `_.defer` which accepts `args`
+   * to provide to `func`.
+   *
+   * @private
+   * @param {Function} func The function to delay.
+   * @param {number} wait The number of milliseconds to delay invocation.
+   * @param {Array} args The arguments to provide to `func`.
+   * @returns {number|Object} Returns the timer id or timeout object.
+   */
+  function baseDelay(func, wait, args) {
+    if (typeof func != 'function') {
+      throw new TypeError(FUNC_ERROR_TEXT);
+    }
+    return setTimeout(function() { func.apply(undefined, args); }, wait);
+  }
+
+  /**
+   * The base implementation of `_.forEach` without support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array|Object} Returns `collection`.
+   */
+  var baseEach = createBaseEach(baseForOwn);
+
+  /**
+   * The base implementation of `_.every` without support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if all elements pass the predicate check,
+   *  else `false`
+   */
+  function baseEvery(collection, predicate) {
+    var result = true;
+    baseEach(collection, function(value, index, collection) {
+      result = !!predicate(value, index, collection);
+      return result;
+    });
+    return result;
+  }
+
+  /**
+   * The base implementation of methods like `_.max` and `_.min` which accepts a
+   * `comparator` to determine the extremum value.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The iteratee invoked per iteration.
+   * @param {Function} comparator The comparator used to compare values.
+   * @returns {*} Returns the extremum value.
+   */
+  function baseExtremum(array, iteratee, comparator) {
+    var index = -1,
+        length = array.length;
+
+    while (++index < length) {
+      var value = array[index],
+          current = iteratee(value);
+
+      if (current != null && (computed === undefined
+            ? (current === current && !false)
+            : comparator(current, computed)
+          )) {
+        var computed = current,
+            result = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.filter` without support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {Array} Returns the new filtered array.
+   */
+  function baseFilter(collection, predicate) {
+    var result = [];
+    baseEach(collection, function(value, index, collection) {
+      if (predicate(value, index, collection)) {
+        result.push(value);
+      }
+    });
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.flatten` with support for restricting flattening.
+   *
+   * @private
+   * @param {Array} array The array to flatten.
+   * @param {number} depth The maximum recursion depth.
+   * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+   * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+   * @param {Array} [result=[]] The initial result value.
+   * @returns {Array} Returns the new flattened array.
+   */
+  function baseFlatten(array, depth, predicate, isStrict, result) {
+    var index = -1,
+        length = array.length;
+
+    predicate || (predicate = isFlattenable);
+    result || (result = []);
+
+    while (++index < length) {
+      var value = array[index];
+      if (depth > 0 && predicate(value)) {
+        if (depth > 1) {
+          // Recursively flatten arrays (susceptible to call stack limits).
+          baseFlatten(value, depth - 1, predicate, isStrict, result);
+        } else {
+          arrayPush(result, value);
+        }
+      } else if (!isStrict) {
+        result[result.length] = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `baseForOwn` which iterates over `object`
+   * properties returned by `keysFunc` and invokes `iteratee` for each property.
+   * Iteratee functions may exit iteration early by explicitly returning `false`.
+   *
+   * @private
+   * @param {Object} object The object to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {Function} keysFunc The function to get the keys of `object`.
+   * @returns {Object} Returns `object`.
+   */
+  var baseFor = createBaseFor();
+
+  /**
+   * The base implementation of `_.forOwn` without support for iteratee shorthands.
+   *
+   * @private
+   * @param {Object} object The object to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Object} Returns `object`.
+   */
+  function baseForOwn(object, iteratee) {
+    return object && baseFor(object, iteratee, keys);
+  }
+
+  /**
+   * The base implementation of `_.functions` which creates an array of
+   * `object` function property names filtered from `props`.
+   *
+   * @private
+   * @param {Object} object The object to inspect.
+   * @param {Array} props The property names to filter.
+   * @returns {Array} Returns the function names.
+   */
+  function baseFunctions(object, props) {
+    return baseFilter(props, function(key) {
+      return isFunction(object[key]);
+    });
+  }
+
+  /**
+   * The base implementation of `getTag` without fallbacks for buggy environments.
+   *
+   * @private
+   * @param {*} value The value to query.
+   * @returns {string} Returns the `toStringTag`.
+   */
+  function baseGetTag(value) {
+    return objectToString(value);
+  }
+
+  /**
+   * The base implementation of `_.gt` which doesn't coerce arguments.
+   *
+   * @private
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @returns {boolean} Returns `true` if `value` is greater than `other`,
+   *  else `false`.
+   */
+  function baseGt(value, other) {
+    return value > other;
+  }
+
+  /**
+   * The base implementation of `_.isArguments`.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+   */
+  var baseIsArguments = noop;
+
+  /**
+   * The base implementation of `_.isDate` without Node.js optimizations.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+   */
+  function baseIsDate(value) {
+    return isObjectLike(value) && baseGetTag(value) == dateTag;
+  }
+
+  /**
+   * The base implementation of `_.isEqual` which supports partial comparisons
+   * and tracks traversed objects.
+   *
+   * @private
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @param {boolean} bitmask The bitmask flags.
+   *  1 - Unordered comparison
+   *  2 - Partial comparison
+   * @param {Function} [customizer] The function to customize comparisons.
+   * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+   */
+  function baseIsEqual(value, other, bitmask, customizer, stack) {
+    if (value === other) {
+      return true;
+    }
+    if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+      return value !== value && other !== other;
+    }
+    return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+  }
+
+  /**
+   * A specialized version of `baseIsEqual` for arrays and objects which performs
+   * deep comparisons and tracks traversed objects enabling objects with circular
+   * references to be compared.
+   *
+   * @private
+   * @param {Object} object The object to compare.
+   * @param {Object} other The other object to compare.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+   * @param {Function} customizer The function to customize comparisons.
+   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+   * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+   */
+  function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+    var objIsArr = isArray(object),
+        othIsArr = isArray(other),
+        objTag = objIsArr ? arrayTag : baseGetTag(object),
+        othTag = othIsArr ? arrayTag : baseGetTag(other);
+
+    objTag = objTag == argsTag ? objectTag : objTag;
+    othTag = othTag == argsTag ? objectTag : othTag;
+
+    var objIsObj = objTag == objectTag,
+        othIsObj = othTag == objectTag,
+        isSameTag = objTag == othTag;
+
+    stack || (stack = []);
+    var objStack = find(stack, function(entry) {
+      return entry[0] == object;
+    });
+    var othStack = find(stack, function(entry) {
+      return entry[0] == other;
+    });
+    if (objStack && othStack) {
+      return objStack[1] == other;
+    }
+    stack.push([object, other]);
+    stack.push([other, object]);
+    if (isSameTag && !objIsObj) {
+      var result = (objIsArr)
+        ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+        : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+      stack.pop();
+      return result;
+    }
+    if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
+      var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+          othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+      if (objIsWrapped || othIsWrapped) {
+        var objUnwrapped = objIsWrapped ? object.value() : object,
+            othUnwrapped = othIsWrapped ? other.value() : other;
+
+        var result = equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+        stack.pop();
+        return result;
+      }
+    }
+    if (!isSameTag) {
+      return false;
+    }
+    var result = equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+    stack.pop();
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.isRegExp` without Node.js optimizations.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+   */
+  function baseIsRegExp(value) {
+    return isObjectLike(value) && baseGetTag(value) == regexpTag;
+  }
+
+  /**
+   * The base implementation of `_.iteratee`.
+   *
+   * @private
+   * @param {*} [value=_.identity] The value to convert to an iteratee.
+   * @returns {Function} Returns the iteratee.
+   */
+  function baseIteratee(func) {
+    if (typeof func == 'function') {
+      return func;
+    }
+    if (func == null) {
+      return identity;
+    }
+    return (typeof func == 'object' ? baseMatches : baseProperty)(func);
+  }
+
+  /**
+   * The base implementation of `_.lt` which doesn't coerce arguments.
+   *
+   * @private
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @returns {boolean} Returns `true` if `value` is less than `other`,
+   *  else `false`.
+   */
+  function baseLt(value, other) {
+    return value < other;
+  }
+
+  /**
+   * The base implementation of `_.map` without support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the new mapped array.
+   */
+  function baseMap(collection, iteratee) {
+    var index = -1,
+        result = isArrayLike(collection) ? Array(collection.length) : [];
+
+    baseEach(collection, function(value, key, collection) {
+      result[++index] = iteratee(value, key, collection);
+    });
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.matches` which doesn't clone `source`.
+   *
+   * @private
+   * @param {Object} source The object of property values to match.
+   * @returns {Function} Returns the new spec function.
+   */
+  function baseMatches(source) {
+    var props = nativeKeys(source);
+    return function(object) {
+      var length = props.length;
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (length--) {
+        var key = props[length];
+        if (!(key in object &&
+              baseIsEqual(source[key], object[key], COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG)
+            )) {
+          return false;
+        }
+      }
+      return true;
+    };
+  }
+
+  /**
+   * The base implementation of `_.pick` without support for individual
+   * property identifiers.
+   *
+   * @private
+   * @param {Object} object The source object.
+   * @param {string[]} paths The property paths to pick.
+   * @returns {Object} Returns the new object.
+   */
+  function basePick(object, props) {
+    object = Object(object);
+    return reduce(props, function(result, key) {
+      if (key in object) {
+        result[key] = object[key];
+      }
+      return result;
+    }, {});
+  }
+
+  /**
+   * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+   *
+   * @private
+   * @param {Function} func The function to apply a rest parameter to.
+   * @param {number} [start=func.length-1] The start position of the rest parameter.
+   * @returns {Function} Returns the new function.
+   */
+  function baseRest(func, start) {
+    return setToString(overRest(func, start, identity), func + '');
+  }
+
+  /**
+   * The base implementation of `_.slice` without an iteratee call guard.
+   *
+   * @private
+   * @param {Array} array The array to slice.
+   * @param {number} [start=0] The start position.
+   * @param {number} [end=array.length] The end position.
+   * @returns {Array} Returns the slice of `array`.
+   */
+  function baseSlice(array, start, end) {
+    var index = -1,
+        length = array.length;
+
+    if (start < 0) {
+      start = -start > length ? 0 : (length + start);
+    }
+    end = end > length ? length : end;
+    if (end < 0) {
+      end += length;
+    }
+    length = start > end ? 0 : ((end - start) >>> 0);
+    start >>>= 0;
+
+    var result = Array(length);
+    while (++index < length) {
+      result[index] = array[index + start];
+    }
+    return result;
+  }
+
+  /**
+   * Copies the values of `source` to `array`.
+   *
+   * @private
+   * @param {Array} source The array to copy values from.
+   * @param {Array} [array=[]] The array to copy values to.
+   * @returns {Array} Returns `array`.
+   */
+  function copyArray(source) {
+    return baseSlice(source, 0, source.length);
+  }
+
+  /**
+   * The base implementation of `_.some` without support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if any element passes the predicate check,
+   *  else `false`.
+   */
+  function baseSome(collection, predicate) {
+    var result;
+
+    baseEach(collection, function(value, index, collection) {
+      result = predicate(value, index, collection);
+      return !result;
+    });
+    return !!result;
+  }
+
+  /**
+   * The base implementation of `wrapperValue` which returns the result of
+   * performing a sequence of actions on the unwrapped `value`, where each
+   * successive action is supplied the return value of the previous.
+   *
+   * @private
+   * @param {*} value The unwrapped value.
+   * @param {Array} actions Actions to perform to resolve the unwrapped value.
+   * @returns {*} Returns the resolved value.
+   */
+  function baseWrapperValue(value, actions) {
+    var result = value;
+    return reduce(actions, function(result, action) {
+      return action.func.apply(action.thisArg, arrayPush([result], action.args));
+    }, result);
+  }
+
+  /**
+   * Compares values to sort them in ascending order.
+   *
+   * @private
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @returns {number} Returns the sort order indicator for `value`.
+   */
+  function compareAscending(value, other) {
+    if (value !== other) {
+      var valIsDefined = value !== undefined,
+          valIsNull = value === null,
+          valIsReflexive = value === value,
+          valIsSymbol = false;
+
+      var othIsDefined = other !== undefined,
+          othIsNull = other === null,
+          othIsReflexive = other === other,
+          othIsSymbol = false;
+
+      if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+          (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+          (valIsNull && othIsDefined && othIsReflexive) ||
+          (!valIsDefined && othIsReflexive) ||
+          !valIsReflexive) {
+        return 1;
+      }
+      if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+          (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+          (othIsNull && valIsDefined && valIsReflexive) ||
+          (!othIsDefined && valIsReflexive) ||
+          !othIsReflexive) {
+        return -1;
+      }
+    }
+    return 0;
+  }
+
+  /**
+   * Copies properties of `source` to `object`.
+   *
+   * @private
+   * @param {Object} source The object to copy properties from.
+   * @param {Array} props The property identifiers to copy.
+   * @param {Object} [object={}] The object to copy properties to.
+   * @param {Function} [customizer] The function to customize copied values.
+   * @returns {Object} Returns `object`.
+   */
+  function copyObject(source, props, object, customizer) {
+    var isNew = !object;
+    object || (object = {});
+
+    var index = -1,
+        length = props.length;
+
+    while (++index < length) {
+      var key = props[index];
+
+      var newValue = customizer
+        ? customizer(object[key], source[key], key, object, source)
+        : undefined;
+
+      if (newValue === undefined) {
+        newValue = source[key];
+      }
+      if (isNew) {
+        baseAssignValue(object, key, newValue);
+      } else {
+        assignValue(object, key, newValue);
+      }
+    }
+    return object;
+  }
+
+  /**
+   * Creates a function like `_.assign`.
+   *
+   * @private
+   * @param {Function} assigner The function to assign values.
+   * @returns {Function} Returns the new assigner function.
+   */
+  function createAssigner(assigner) {
+    return baseRest(function(object, sources) {
+      var index = -1,
+          length = sources.length,
+          customizer = length > 1 ? sources[length - 1] : undefined;
+
+      customizer = (assigner.length > 3 && typeof customizer == 'function')
+        ? (length--, customizer)
+        : undefined;
+
+      object = Object(object);
+      while (++index < length) {
+        var source = sources[index];
+        if (source) {
+          assigner(object, source, index, customizer);
+        }
+      }
+      return object;
+    });
+  }
+
+  /**
+   * Creates a `baseEach` or `baseEachRight` function.
+   *
+   * @private
+   * @param {Function} eachFunc The function to iterate over a collection.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {Function} Returns the new base function.
+   */
+  function createBaseEach(eachFunc, fromRight) {
+    return function(collection, iteratee) {
+      if (collection == null) {
+        return collection;
+      }
+      if (!isArrayLike(collection)) {
+        return eachFunc(collection, iteratee);
+      }
+      var length = collection.length,
+          index = fromRight ? length : -1,
+          iterable = Object(collection);
+
+      while ((fromRight ? index-- : ++index < length)) {
+        if (iteratee(iterable[index], index, iterable) === false) {
+          break;
+        }
+      }
+      return collection;
+    };
+  }
+
+  /**
+   * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+   *
+   * @private
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {Function} Returns the new base function.
+   */
+  function createBaseFor(fromRight) {
+    return function(object, iteratee, keysFunc) {
+      var index = -1,
+          iterable = Object(object),
+          props = keysFunc(object),
+          length = props.length;
+
+      while (length--) {
+        var key = props[fromRight ? length : ++index];
+        if (iteratee(iterable[key], key, iterable) === false) {
+          break;
+        }
+      }
+      return object;
+    };
+  }
+
+  /**
+   * Creates a function that produces an instance of `Ctor` regardless of
+   * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+   *
+   * @private
+   * @param {Function} Ctor The constructor to wrap.
+   * @returns {Function} Returns the new wrapped function.
+   */
+  function createCtor(Ctor) {
+    return function() {
+      // Use a `switch` statement to work with class constructors. See
+      // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+      // for more details.
+      var args = arguments;
+      var thisBinding = baseCreate(Ctor.prototype),
+          result = Ctor.apply(thisBinding, args);
+
+      // Mimic the constructor's `return` behavior.
+      // See https://es5.github.io/#x13.2.2 for more details.
+      return isObject(result) ? result : thisBinding;
+    };
+  }
+
+  /**
+   * Creates a `_.find` or `_.findLast` function.
+   *
+   * @private
+   * @param {Function} findIndexFunc The function to find the collection index.
+   * @returns {Function} Returns the new find function.
+   */
+  function createFind(findIndexFunc) {
+    return function(collection, predicate, fromIndex) {
+      var iterable = Object(collection);
+      if (!isArrayLike(collection)) {
+        var iteratee = baseIteratee(predicate, 3);
+        collection = keys(collection);
+        predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+      }
+      var index = findIndexFunc(collection, predicate, fromIndex);
+      return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
+    };
+  }
+
+  /**
+   * Creates a function that wraps `func` to invoke it with the `this` binding
+   * of `thisArg` and `partials` prepended to the arguments it receives.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+   * @param {*} thisArg The `this` binding of `func`.
+   * @param {Array} partials The arguments to prepend to those provided to
+   *  the new function.
+   * @returns {Function} Returns the new wrapped function.
+   */
+  function createPartial(func, bitmask, thisArg, partials) {
+    if (typeof func != 'function') {
+      throw new TypeError(FUNC_ERROR_TEXT);
+    }
+    var isBind = bitmask & WRAP_BIND_FLAG,
+        Ctor = createCtor(func);
+
+    function wrapper() {
+      var argsIndex = -1,
+          argsLength = arguments.length,
+          leftIndex = -1,
+          leftLength = partials.length,
+          args = Array(leftLength + argsLength),
+          fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+
+      while (++leftIndex < leftLength) {
+        args[leftIndex] = partials[leftIndex];
+      }
+      while (argsLength--) {
+        args[leftIndex++] = arguments[++argsIndex];
+      }
+      return fn.apply(isBind ? thisArg : this, args);
+    }
+    return wrapper;
+  }
+
+  /**
+   * A specialized version of `baseIsEqualDeep` for arrays with support for
+   * partial deep comparisons.
+   *
+   * @private
+   * @param {Array} array The array to compare.
+   * @param {Array} other The other array to compare.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+   * @param {Function} customizer The function to customize comparisons.
+   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {Object} stack Tracks traversed `array` and `other` objects.
+   * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+   */
+  function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+    var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+        arrLength = array.length,
+        othLength = other.length;
+
+    if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+      return false;
+    }
+    // Check that cyclic values are equal.
+    var arrStacked = stack.get(array);
+    var othStacked = stack.get(other);
+    if (arrStacked && othStacked) {
+      return arrStacked == other && othStacked == array;
+    }
+    var index = -1,
+        result = true,
+        seen = (bitmask & COMPARE_UNORDERED_FLAG) ? [] : undefined;
+
+    // Ignore non-index properties.
+    while (++index < arrLength) {
+      var arrValue = array[index],
+          othValue = other[index];
+
+      var compared;
+      if (compared !== undefined) {
+        if (compared) {
+          continue;
+        }
+        result = false;
+        break;
+      }
+      // Recursively compare arrays (susceptible to call stack limits).
+      if (seen) {
+        if (!baseSome(other, function(othValue, othIndex) {
+              if (!indexOf(seen, othIndex) &&
+                  (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+                return seen.push(othIndex);
+              }
+            })) {
+          result = false;
+          break;
+        }
+      } else if (!(
+            arrValue === othValue ||
+              equalFunc(arrValue, othValue, bitmask, customizer, stack)
+          )) {
+        result = false;
+        break;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * A specialized version of `baseIsEqualDeep` for comparing objects of
+   * the same `toStringTag`.
+   *
+   * **Note:** This function only supports comparing values with tags of
+   * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+   *
+   * @private
+   * @param {Object} object The object to compare.
+   * @param {Object} other The other object to compare.
+   * @param {string} tag The `toStringTag` of the objects to compare.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+   * @param {Function} customizer The function to customize comparisons.
+   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {Object} stack Tracks traversed `object` and `other` objects.
+   * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+   */
+  function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+    switch (tag) {
+
+      case boolTag:
+      case dateTag:
+      case numberTag:
+        // Coerce booleans to `1` or `0` and dates to milliseconds.
+        // Invalid dates are coerced to `NaN`.
+        return eq(+object, +other);
+
+      case errorTag:
+        return object.name == other.name && object.message == other.message;
+
+      case regexpTag:
+      case stringTag:
+        // Coerce regexes to strings and treat strings, primitives and objects,
+        // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+        // for more details.
+        return object == (other + '');
+
+    }
+    return false;
+  }
+
+  /**
+   * A specialized version of `baseIsEqualDeep` for objects with support for
+   * partial deep comparisons.
+   *
+   * @private
+   * @param {Object} object The object to compare.
+   * @param {Object} other The other object to compare.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+   * @param {Function} customizer The function to customize comparisons.
+   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {Object} stack Tracks traversed `object` and `other` objects.
+   * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+   */
+  function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+    var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+        objProps = keys(object),
+        objLength = objProps.length,
+        othProps = keys(other),
+        othLength = othProps.length;
+
+    if (objLength != othLength && !isPartial) {
+      return false;
+    }
+    var index = objLength;
+    while (index--) {
+      var key = objProps[index];
+      if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+        return false;
+      }
+    }
+    // Check that cyclic values are equal.
+    var objStacked = stack.get(object);
+    var othStacked = stack.get(other);
+    if (objStacked && othStacked) {
+      return objStacked == other && othStacked == object;
+    }
+    var result = true;
+
+    var skipCtor = isPartial;
+    while (++index < objLength) {
+      key = objProps[index];
+      var objValue = object[key],
+          othValue = other[key];
+
+      var compared;
+      // Recursively compare objects (susceptible to call stack limits).
+      if (!(compared === undefined
+            ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+            : compared
+          )) {
+        result = false;
+        break;
+      }
+      skipCtor || (skipCtor = key == 'constructor');
+    }
+    if (result && !skipCtor) {
+      var objCtor = object.constructor,
+          othCtor = other.constructor;
+
+      // Non `Object` object instances with different constructors are not equal.
+      if (objCtor != othCtor &&
+          ('constructor' in object && 'constructor' in other) &&
+          !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+            typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+        result = false;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * A specialized version of `baseRest` which flattens the rest array.
+   *
+   * @private
+   * @param {Function} func The function to apply a rest parameter to.
+   * @returns {Function} Returns the new function.
+   */
+  function flatRest(func) {
+    return setToString(overRest(func, undefined, flatten), func + '');
+  }
+
+  /**
+   * Checks if `value` is a flattenable `arguments` object or array.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+   */
+  function isFlattenable(value) {
+    return isArray(value) || isArguments(value);
+  }
+
+  /**
+   * Checks if `value` is a valid array-like index.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+   * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+   */
+  function isIndex(value, length) {
+    var type = typeof value;
+    length = length == null ? MAX_SAFE_INTEGER : length;
+
+    return !!length &&
+      (type == 'number' ||
+        (type != 'symbol' && reIsUint.test(value))) &&
+          (value > -1 && value % 1 == 0 && value < length);
+  }
+
+  /**
+   * Checks if the given arguments are from an iteratee call.
+   *
+   * @private
+   * @param {*} value The potential iteratee value argument.
+   * @param {*} index The potential iteratee index or key argument.
+   * @param {*} object The potential iteratee object argument.
+   * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+   *  else `false`.
+   */
+  function isIterateeCall(value, index, object) {
+    if (!isObject(object)) {
+      return false;
+    }
+    var type = typeof index;
+    if (type == 'number'
+          ? (isArrayLike(object) && isIndex(index, object.length))
+          : (type == 'string' && index in object)
+        ) {
+      return eq(object[index], value);
+    }
+    return false;
+  }
+
+  /**
+   * This function is like
+   * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+   * except that it includes inherited enumerable properties.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @returns {Array} Returns the array of property names.
+   */
+  function nativeKeysIn(object) {
+    var result = [];
+    if (object != null) {
+      for (var key in Object(object)) {
+        result.push(key);
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Converts `value` to a string using `Object.prototype.toString`.
+   *
+   * @private
+   * @param {*} value The value to convert.
+   * @returns {string} Returns the converted string.
+   */
+  function objectToString(value) {
+    return nativeObjectToString.call(value);
+  }
+
+  /**
+   * A specialized version of `baseRest` which transforms the rest array.
+   *
+   * @private
+   * @param {Function} func The function to apply a rest parameter to.
+   * @param {number} [start=func.length-1] The start position of the rest parameter.
+   * @param {Function} transform The rest array transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overRest(func, start, transform) {
+    start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+    return function() {
+      var args = arguments,
+          index = -1,
+          length = nativeMax(args.length - start, 0),
+          array = Array(length);
+
+      while (++index < length) {
+        array[index] = args[start + index];
+      }
+      index = -1;
+      var otherArgs = Array(start + 1);
+      while (++index < start) {
+        otherArgs[index] = args[index];
+      }
+      otherArgs[start] = transform(array);
+      return func.apply(this, otherArgs);
+    };
+  }
+
+  /**
+   * Sets the `toString` method of `func` to return `string`.
+   *
+   * @private
+   * @param {Function} func The function to modify.
+   * @param {Function} string The `toString` result.
+   * @returns {Function} Returns `func`.
+   */
+  var setToString = identity;
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Creates an array with all falsey values removed. The values `false`, `null`,
+   * `0`, `""`, `undefined`, and `NaN` are falsey.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Array
+   * @param {Array} array The array to compact.
+   * @returns {Array} Returns the new array of filtered values.
+   * @example
+   *
+   * _.compact([0, 1, false, 2, '', 3]);
+   * // => [1, 2, 3]
+   */
+  function compact(array) {
+    return baseFilter(array, Boolean);
+  }
+
+  /**
+   * Creates a new array concatenating `array` with any additional arrays
+   * and/or values.
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Array
+   * @param {Array} array The array to concatenate.
+   * @param {...*} [values] The values to concatenate.
+   * @returns {Array} Returns the new concatenated array.
+   * @example
+   *
+   * var array = [1];
+   * var other = _.concat(array, 2, [3], [[4]]);
+   *
+   * console.log(other);
+   * // => [1, 2, 3, [4]]
+   *
+   * console.log(array);
+   * // => [1]
+   */
+  function concat() {
+    var length = arguments.length;
+    if (!length) {
+      return [];
+    }
+    var args = Array(length - 1),
+        array = arguments[0],
+        index = length;
+
+    while (index--) {
+      args[index - 1] = arguments[index];
+    }
+    return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+  }
+
+  /**
+   * This method is like `_.find` except that it returns the index of the first
+   * element `predicate` returns truthy for instead of the element itself.
+   *
+   * @static
+   * @memberOf _
+   * @since 1.1.0
+   * @category Array
+   * @param {Array} array The array to inspect.
+   * @param {Function} [predicate=_.identity] The function invoked per iteration.
+   * @param {number} [fromIndex=0] The index to search from.
+   * @returns {number} Returns the index of the found element, else `-1`.
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'barney',  'active': false },
+   *   { 'user': 'fred',    'active': false },
+   *   { 'user': 'pebbles', 'active': true }
+   * ];
+   *
+   * _.findIndex(users, function(o) { return o.user == 'barney'; });
+   * // => 0
+   *
+   * // The `_.matches` iteratee shorthand.
+   * _.findIndex(users, { 'user': 'fred', 'active': false });
+   * // => 1
+   *
+   * // The `_.matchesProperty` iteratee shorthand.
+   * _.findIndex(users, ['active', false]);
+   * // => 0
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.findIndex(users, 'active');
+   * // => 2
+   */
+  function findIndex(array, predicate, fromIndex) {
+    var length = array == null ? 0 : array.length;
+    if (!length) {
+      return -1;
+    }
+    var index = fromIndex == null ? 0 : toInteger(fromIndex);
+    if (index < 0) {
+      index = nativeMax(length + index, 0);
+    }
+    return baseFindIndex(array, baseIteratee(predicate, 3), index);
+  }
+
+  /**
+   * Flattens `array` a single level deep.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Array
+   * @param {Array} array The array to flatten.
+   * @returns {Array} Returns the new flattened array.
+   * @example
+   *
+   * _.flatten([1, [2, [3, [4]], 5]]);
+   * // => [1, 2, [3, [4]], 5]
+   */
+  function flatten(array) {
+    var length = array == null ? 0 : array.length;
+    return length ? baseFlatten(array, 1) : [];
+  }
+
+  /**
+   * Recursively flattens `array`.
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Array
+   * @param {Array} array The array to flatten.
+   * @returns {Array} Returns the new flattened array.
+   * @example
+   *
+   * _.flattenDeep([1, [2, [3, [4]], 5]]);
+   * // => [1, 2, 3, 4, 5]
+   */
+  function flattenDeep(array) {
+    var length = array == null ? 0 : array.length;
+    return length ? baseFlatten(array, INFINITY) : [];
+  }
+
+  /**
+   * Gets the first element of `array`.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @alias first
+   * @category Array
+   * @param {Array} array The array to query.
+   * @returns {*} Returns the first element of `array`.
+   * @example
+   *
+   * _.head([1, 2, 3]);
+   * // => 1
+   *
+   * _.head([]);
+   * // => undefined
+   */
+  function head(array) {
+    return (array && array.length) ? array[0] : undefined;
+  }
+
+  /**
+   * Gets the index at which the first occurrence of `value` is found in `array`
+   * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+   * for equality comparisons. If `fromIndex` is negative, it's used as the
+   * offset from the end of `array`.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Array
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} [fromIndex=0] The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   * @example
+   *
+   * _.indexOf([1, 2, 1, 2], 2);
+   * // => 1
+   *
+   * // Search from the `fromIndex`.
+   * _.indexOf([1, 2, 1, 2], 2, 2);
+   * // => 3
+   */
+  function indexOf(array, value, fromIndex) {
+    var length = array == null ? 0 : array.length;
+    if (typeof fromIndex == 'number') {
+      fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex;
+    } else {
+      fromIndex = 0;
+    }
+    var index = (fromIndex || 0) - 1,
+        isReflexive = value === value;
+
+    while (++index < length) {
+      var other = array[index];
+      if ((isReflexive ? other === value : other !== other)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * Gets the last element of `array`.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Array
+   * @param {Array} array The array to query.
+   * @returns {*} Returns the last element of `array`.
+   * @example
+   *
+   * _.last([1, 2, 3]);
+   * // => 3
+   */
+  function last(array) {
+    var length = array == null ? 0 : array.length;
+    return length ? array[length - 1] : undefined;
+  }
+
+  /**
+   * Creates a slice of `array` from `start` up to, but not including, `end`.
+   *
+   * **Note:** This method is used instead of
+   * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
+   * returned.
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Array
+   * @param {Array} array The array to slice.
+   * @param {number} [start=0] The start position.
+   * @param {number} [end=array.length] The end position.
+   * @returns {Array} Returns the slice of `array`.
+   */
+  function slice(array, start, end) {
+    var length = array == null ? 0 : array.length;
+    start = start == null ? 0 : +start;
+    end = end === undefined ? length : +end;
+    return length ? baseSlice(array, start, end) : [];
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Creates a `lodash` wrapper instance that wraps `value` with explicit method
+   * chain sequences enabled. The result of such sequences must be unwrapped
+   * with `_#value`.
+   *
+   * @static
+   * @memberOf _
+   * @since 1.3.0
+   * @category Seq
+   * @param {*} value The value to wrap.
+   * @returns {Object} Returns the new `lodash` wrapper instance.
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'barney',  'age': 36 },
+   *   { 'user': 'fred',    'age': 40 },
+   *   { 'user': 'pebbles', 'age': 1 }
+   * ];
+   *
+   * var youngest = _
+   *   .chain(users)
+   *   .sortBy('age')
+   *   .map(function(o) {
+   *     return o.user + ' is ' + o.age;
+   *   })
+   *   .head()
+   *   .value();
+   * // => 'pebbles is 1'
+   */
+  function chain(value) {
+    var result = lodash(value);
+    result.__chain__ = true;
+    return result;
+  }
+
+  /**
+   * This method invokes `interceptor` and returns `value`. The interceptor
+   * is invoked with one argument; (value). The purpose of this method is to
+   * "tap into" a method chain sequence in order to modify intermediate results.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Seq
+   * @param {*} value The value to provide to `interceptor`.
+   * @param {Function} interceptor The function to invoke.
+   * @returns {*} Returns `value`.
+   * @example
+   *
+   * _([1, 2, 3])
+   *  .tap(function(array) {
+   *    // Mutate input array.
+   *    array.pop();
+   *  })
+   *  .reverse()
+   *  .value();
+   * // => [2, 1]
+   */
+  function tap(value, interceptor) {
+    interceptor(value);
+    return value;
+  }
+
+  /**
+   * This method is like `_.tap` except that it returns the result of `interceptor`.
+   * The purpose of this method is to "pass thru" values replacing intermediate
+   * results in a method chain sequence.
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Seq
+   * @param {*} value The value to provide to `interceptor`.
+   * @param {Function} interceptor The function to invoke.
+   * @returns {*} Returns the result of `interceptor`.
+   * @example
+   *
+   * _('  abc  ')
+   *  .chain()
+   *  .trim()
+   *  .thru(function(value) {
+   *    return [value];
+   *  })
+   *  .value();
+   * // => ['abc']
+   */
+  function thru(value, interceptor) {
+    return interceptor(value);
+  }
+
+  /**
+   * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
+   *
+   * @name chain
+   * @memberOf _
+   * @since 0.1.0
+   * @category Seq
+   * @returns {Object} Returns the new `lodash` wrapper instance.
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'barney', 'age': 36 },
+   *   { 'user': 'fred',   'age': 40 }
+   * ];
+   *
+   * // A sequence without explicit chaining.
+   * _(users).head();
+   * // => { 'user': 'barney', 'age': 36 }
+   *
+   * // A sequence with explicit chaining.
+   * _(users)
+   *   .chain()
+   *   .head()
+   *   .pick('user')
+   *   .value();
+   * // => { 'user': 'barney' }
+   */
+  function wrapperChain() {
+    return chain(this);
+  }
+
+  /**
+   * Executes the chain sequence to resolve the unwrapped value.
+   *
+   * @name value
+   * @memberOf _
+   * @since 0.1.0
+   * @alias toJSON, valueOf
+   * @category Seq
+   * @returns {*} Returns the resolved unwrapped value.
+   * @example
+   *
+   * _([1, 2, 3]).value();
+   * // => [1, 2, 3]
+   */
+  function wrapperValue() {
+    return baseWrapperValue(this.__wrapped__, this.__actions__);
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Checks if `predicate` returns truthy for **all** elements of `collection`.
+   * Iteration is stopped once `predicate` returns falsey. The predicate is
+   * invoked with three arguments: (value, index|key, collection).
+   *
+   * **Note:** This method returns `true` for
+   * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
+   * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
+   * elements of empty collections.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} [predicate=_.identity] The function invoked per iteration.
+   * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+   * @returns {boolean} Returns `true` if all elements pass the predicate check,
+   *  else `false`.
+   * @example
+   *
+   * _.every([true, 1, null, 'yes'], Boolean);
+   * // => false
+   *
+   * var users = [
+   *   { 'user': 'barney', 'age': 36, 'active': false },
+   *   { 'user': 'fred',   'age': 40, 'active': false }
+   * ];
+   *
+   * // The `_.matches` iteratee shorthand.
+   * _.every(users, { 'user': 'barney', 'active': false });
+   * // => false
+   *
+   * // The `_.matchesProperty` iteratee shorthand.
+   * _.every(users, ['active', false]);
+   * // => true
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.every(users, 'active');
+   * // => false
+   */
+  function every(collection, predicate, guard) {
+    predicate = guard ? undefined : predicate;
+    return baseEvery(collection, baseIteratee(predicate));
+  }
+
+  /**
+   * Iterates over elements of `collection`, returning an array of all elements
+   * `predicate` returns truthy for. The predicate is invoked with three
+   * arguments: (value, index|key, collection).
+   *
+   * **Note:** Unlike `_.remove`, this method returns a new array.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} [predicate=_.identity] The function invoked per iteration.
+   * @returns {Array} Returns the new filtered array.
+   * @see _.reject
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'barney', 'age': 36, 'active': true },
+   *   { 'user': 'fred',   'age': 40, 'active': false }
+   * ];
+   *
+   * _.filter(users, function(o) { return !o.active; });
+   * // => objects for ['fred']
+   *
+   * // The `_.matches` iteratee shorthand.
+   * _.filter(users, { 'age': 36, 'active': true });
+   * // => objects for ['barney']
+   *
+   * // The `_.matchesProperty` iteratee shorthand.
+   * _.filter(users, ['active', false]);
+   * // => objects for ['fred']
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.filter(users, 'active');
+   * // => objects for ['barney']
+   *
+   * // Combining several predicates using `_.overEvery` or `_.overSome`.
+   * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
+   * // => objects for ['fred', 'barney']
+   */
+  function filter(collection, predicate) {
+    return baseFilter(collection, baseIteratee(predicate));
+  }
+
+  /**
+   * Iterates over elements of `collection`, returning the first element
+   * `predicate` returns truthy for. The predicate is invoked with three
+   * arguments: (value, index|key, collection).
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to inspect.
+   * @param {Function} [predicate=_.identity] The function invoked per iteration.
+   * @param {number} [fromIndex=0] The index to search from.
+   * @returns {*} Returns the matched element, else `undefined`.
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'barney',  'age': 36, 'active': true },
+   *   { 'user': 'fred',    'age': 40, 'active': false },
+   *   { 'user': 'pebbles', 'age': 1,  'active': true }
+   * ];
+   *
+   * _.find(users, function(o) { return o.age < 40; });
+   * // => object for 'barney'
+   *
+   * // The `_.matches` iteratee shorthand.
+   * _.find(users, { 'age': 1, 'active': true });
+   * // => object for 'pebbles'
+   *
+   * // The `_.matchesProperty` iteratee shorthand.
+   * _.find(users, ['active', false]);
+   * // => object for 'fred'
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.find(users, 'active');
+   * // => object for 'barney'
+   */
+  var find = createFind(findIndex);
+
+  /**
+   * Iterates over elements of `collection` and invokes `iteratee` for each element.
+   * The iteratee is invoked with three arguments: (value, index|key, collection).
+   * Iteratee functions may exit iteration early by explicitly returning `false`.
+   *
+   * **Note:** As with other "Collections" methods, objects with a "length"
+   * property are iterated like arrays. To avoid this behavior use `_.forIn`
+   * or `_.forOwn` for object iteration.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @alias each
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+   * @returns {Array|Object} Returns `collection`.
+   * @see _.forEachRight
+   * @example
+   *
+   * _.forEach([1, 2], function(value) {
+   *   console.log(value);
+   * });
+   * // => Logs `1` then `2`.
+   *
+   * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
+   *   console.log(key);
+   * });
+   * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+   */
+  function forEach(collection, iteratee) {
+    return baseEach(collection, baseIteratee(iteratee));
+  }
+
+  /**
+   * Creates an array of values by running each element in `collection` thru
+   * `iteratee`. The iteratee is invoked with three arguments:
+   * (value, index|key, collection).
+   *
+   * Many lodash methods are guarded to work as iteratees for methods like
+   * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+   *
+   * The guarded methods are:
+   * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
+   * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
+   * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
+   * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+   * @returns {Array} Returns the new mapped array.
+   * @example
+   *
+   * function square(n) {
+   *   return n * n;
+   * }
+   *
+   * _.map([4, 8], square);
+   * // => [16, 64]
+   *
+   * _.map({ 'a': 4, 'b': 8 }, square);
+   * // => [16, 64] (iteration order is not guaranteed)
+   *
+   * var users = [
+   *   { 'user': 'barney' },
+   *   { 'user': 'fred' }
+   * ];
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.map(users, 'user');
+   * // => ['barney', 'fred']
+   */
+  function map(collection, iteratee) {
+    return baseMap(collection, baseIteratee(iteratee));
+  }
+
+  /**
+   * Reduces `collection` to a value which is the accumulated result of running
+   * each element in `collection` thru `iteratee`, where each successive
+   * invocation is supplied the return value of the previous. If `accumulator`
+   * is not given, the first element of `collection` is used as the initial
+   * value. The iteratee is invoked with four arguments:
+   * (accumulator, value, index|key, collection).
+   *
+   * Many lodash methods are guarded to work as iteratees for methods like
+   * `_.reduce`, `_.reduceRight`, and `_.transform`.
+   *
+   * The guarded methods are:
+   * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+   * and `sortBy`
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @returns {*} Returns the accumulated value.
+   * @see _.reduceRight
+   * @example
+   *
+   * _.reduce([1, 2], function(sum, n) {
+   *   return sum + n;
+   * }, 0);
+   * // => 3
+   *
+   * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+   *   (result[value] || (result[value] = [])).push(key);
+   *   return result;
+   * }, {});
+   * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
+   */
+  function reduce(collection, iteratee, accumulator) {
+    return baseReduce(collection, baseIteratee(iteratee), accumulator, arguments.length < 3, baseEach);
+  }
+
+  /**
+   * Gets the size of `collection` by returning its length for array-like
+   * values or the number of own enumerable string keyed properties for objects.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object|string} collection The collection to inspect.
+   * @returns {number} Returns the collection size.
+   * @example
+   *
+   * _.size([1, 2, 3]);
+   * // => 3
+   *
+   * _.size({ 'a': 1, 'b': 2 });
+   * // => 2
+   *
+   * _.size('pebbles');
+   * // => 7
+   */
+  function size(collection) {
+    if (collection == null) {
+      return 0;
+    }
+    collection = isArrayLike(collection) ? collection : nativeKeys(collection);
+    return collection.length;
+  }
+
+  /**
+   * Checks if `predicate` returns truthy for **any** element of `collection`.
+   * Iteration is stopped once `predicate` returns truthy. The predicate is
+   * invoked with three arguments: (value, index|key, collection).
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} [predicate=_.identity] The function invoked per iteration.
+   * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+   * @returns {boolean} Returns `true` if any element passes the predicate check,
+   *  else `false`.
+   * @example
+   *
+   * _.some([null, 0, 'yes', false], Boolean);
+   * // => true
+   *
+   * var users = [
+   *   { 'user': 'barney', 'active': true },
+   *   { 'user': 'fred',   'active': false }
+   * ];
+   *
+   * // The `_.matches` iteratee shorthand.
+   * _.some(users, { 'user': 'barney', 'active': false });
+   * // => false
+   *
+   * // The `_.matchesProperty` iteratee shorthand.
+   * _.some(users, ['active', false]);
+   * // => true
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.some(users, 'active');
+   * // => true
+   */
+  function some(collection, predicate, guard) {
+    predicate = guard ? undefined : predicate;
+    return baseSome(collection, baseIteratee(predicate));
+  }
+
+  /**
+   * Creates an array of elements, sorted in ascending order by the results of
+   * running each element in a collection thru each iteratee. This method
+   * performs a stable sort, that is, it preserves the original sort order of
+   * equal elements. The iteratees are invoked with one argument: (value).
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Collection
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {...(Function|Function[])} [iteratees=[_.identity]]
+   *  The iteratees to sort by.
+   * @returns {Array} Returns the new sorted array.
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'fred',   'age': 48 },
+   *   { 'user': 'barney', 'age': 36 },
+   *   { 'user': 'fred',   'age': 30 },
+   *   { 'user': 'barney', 'age': 34 }
+   * ];
+   *
+   * _.sortBy(users, [function(o) { return o.user; }]);
+   * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
+   *
+   * _.sortBy(users, ['user', 'age']);
+   * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
+   */
+  function sortBy(collection, iteratee) {
+    var index = 0;
+    iteratee = baseIteratee(iteratee);
+
+    return baseMap(baseMap(collection, function(value, key, collection) {
+      return { 'value': value, 'index': index++, 'criteria': iteratee(value, key, collection) };
+    }).sort(function(object, other) {
+      return compareAscending(object.criteria, other.criteria) || (object.index - other.index);
+    }), baseProperty('value'));
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Creates a function that invokes `func`, with the `this` binding and arguments
+   * of the created function, while it's called less than `n` times. Subsequent
+   * calls to the created function return the result of the last `func` invocation.
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Function
+   * @param {number} n The number of calls at which `func` is no longer invoked.
+   * @param {Function} func The function to restrict.
+   * @returns {Function} Returns the new restricted function.
+   * @example
+   *
+   * jQuery(element).on('click', _.before(5, addContactToList));
+   * // => Allows adding up to 4 contacts to the list.
+   */
+  function before(n, func) {
+    var result;
+    if (typeof func != 'function') {
+      throw new TypeError(FUNC_ERROR_TEXT);
+    }
+    n = toInteger(n);
+    return function() {
+      if (--n > 0) {
+        result = func.apply(this, arguments);
+      }
+      if (n <= 1) {
+        func = undefined;
+      }
+      return result;
+    };
+  }
+
+  /**
+   * Creates a function that invokes `func` with the `this` binding of `thisArg`
+   * and `partials` prepended to the arguments it receives.
+   *
+   * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+   * may be used as a placeholder for partially applied arguments.
+   *
+   * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
+   * property of bound functions.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Function
+   * @param {Function} func The function to bind.
+   * @param {*} thisArg The `this` binding of `func`.
+   * @param {...*} [partials] The arguments to be partially applied.
+   * @returns {Function} Returns the new bound function.
+   * @example
+   *
+   * function greet(greeting, punctuation) {
+   *   return greeting + ' ' + this.user + punctuation;
+   * }
+   *
+   * var object = { 'user': 'fred' };
+   *
+   * var bound = _.bind(greet, object, 'hi');
+   * bound('!');
+   * // => 'hi fred!'
+   *
+   * // Bound with placeholders.
+   * var bound = _.bind(greet, object, _, '!');
+   * bound('hi');
+   * // => 'hi fred!'
+   */
+  var bind = baseRest(function(func, thisArg, partials) {
+    return createPartial(func, WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG, thisArg, partials);
+  });
+
+  /**
+   * Defers invoking the `func` until the current call stack has cleared. Any
+   * additional arguments are provided to `func` when it's invoked.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Function
+   * @param {Function} func The function to defer.
+   * @param {...*} [args] The arguments to invoke `func` with.
+   * @returns {number} Returns the timer id.
+   * @example
+   *
+   * _.defer(function(text) {
+   *   console.log(text);
+   * }, 'deferred');
+   * // => Logs 'deferred' after one millisecond.
+   */
+  var defer = baseRest(function(func, args) {
+    return baseDelay(func, 1, args);
+  });
+
+  /**
+   * Invokes `func` after `wait` milliseconds. Any additional arguments are
+   * provided to `func` when it's invoked.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Function
+   * @param {Function} func The function to delay.
+   * @param {number} wait The number of milliseconds to delay invocation.
+   * @param {...*} [args] The arguments to invoke `func` with.
+   * @returns {number} Returns the timer id.
+   * @example
+   *
+   * _.delay(function(text) {
+   *   console.log(text);
+   * }, 1000, 'later');
+   * // => Logs 'later' after one second.
+   */
+  var delay = baseRest(function(func, wait, args) {
+    return baseDelay(func, toNumber(wait) || 0, args);
+  });
+
+  /**
+   * Creates a function that negates the result of the predicate `func`. The
+   * `func` predicate is invoked with the `this` binding and arguments of the
+   * created function.
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Function
+   * @param {Function} predicate The predicate to negate.
+   * @returns {Function} Returns the new negated function.
+   * @example
+   *
+   * function isEven(n) {
+   *   return n % 2 == 0;
+   * }
+   *
+   * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+   * // => [1, 3, 5]
+   */
+  function negate(predicate) {
+    if (typeof predicate != 'function') {
+      throw new TypeError(FUNC_ERROR_TEXT);
+    }
+    return function() {
+      var args = arguments;
+      return !predicate.apply(this, args);
+    };
+  }
+
+  /**
+   * Creates a function that is restricted to invoking `func` once. Repeat calls
+   * to the function return the value of the first invocation. The `func` is
+   * invoked with the `this` binding and arguments of the created function.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Function
+   * @param {Function} func The function to restrict.
+   * @returns {Function} Returns the new restricted function.
+   * @example
+   *
+   * var initialize = _.once(createApplication);
+   * initialize();
+   * initialize();
+   * // => `createApplication` is invoked once
+   */
+  function once(func) {
+    return before(2, func);
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Creates a shallow clone of `value`.
+   *
+   * **Note:** This method is loosely based on the
+   * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
+   * and supports cloning arrays, array buffers, booleans, date objects, maps,
+   * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
+   * arrays. The own enumerable properties of `arguments` objects are cloned
+   * as plain objects. An empty object is returned for uncloneable values such
+   * as error objects, functions, DOM nodes, and WeakMaps.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to clone.
+   * @returns {*} Returns the cloned value.
+   * @see _.cloneDeep
+   * @example
+   *
+   * var objects = [{ 'a': 1 }, { 'b': 2 }];
+   *
+   * var shallow = _.clone(objects);
+   * console.log(shallow[0] === objects[0]);
+   * // => true
+   */
+  function clone(value) {
+    if (!isObject(value)) {
+      return value;
+    }
+    return isArray(value) ? copyArray(value) : copyObject(value, nativeKeys(value));
+  }
+
+  /**
+   * Performs a
+   * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+   * comparison between two values to determine if they are equivalent.
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+   * @example
+   *
+   * var object = { 'a': 1 };
+   * var other = { 'a': 1 };
+   *
+   * _.eq(object, object);
+   * // => true
+   *
+   * _.eq(object, other);
+   * // => false
+   *
+   * _.eq('a', 'a');
+   * // => true
+   *
+   * _.eq('a', Object('a'));
+   * // => false
+   *
+   * _.eq(NaN, NaN);
+   * // => true
+   */
+  function eq(value, other) {
+    return value === other || (value !== value && other !== other);
+  }
+
+  /**
+   * Checks if `value` is likely an `arguments` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+   *  else `false`.
+   * @example
+   *
+   * _.isArguments(function() { return arguments; }());
+   * // => true
+   *
+   * _.isArguments([1, 2, 3]);
+   * // => false
+   */
+  var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+    return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+      !propertyIsEnumerable.call(value, 'callee');
+  };
+
+  /**
+   * Checks if `value` is classified as an `Array` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+   * @example
+   *
+   * _.isArray([1, 2, 3]);
+   * // => true
+   *
+   * _.isArray(document.body.children);
+   * // => false
+   *
+   * _.isArray('abc');
+   * // => false
+   *
+   * _.isArray(_.noop);
+   * // => false
+   */
+  var isArray = Array.isArray;
+
+  /**
+   * Checks if `value` is array-like. A value is considered array-like if it's
+   * not a function and has a `value.length` that's an integer greater than or
+   * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+   * @example
+   *
+   * _.isArrayLike([1, 2, 3]);
+   * // => true
+   *
+   * _.isArrayLike(document.body.children);
+   * // => true
+   *
+   * _.isArrayLike('abc');
+   * // => true
+   *
+   * _.isArrayLike(_.noop);
+   * // => false
+   */
+  function isArrayLike(value) {
+    return value != null && isLength(value.length) && !isFunction(value);
+  }
+
+  /**
+   * Checks if `value` is classified as a boolean primitive or object.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+   * @example
+   *
+   * _.isBoolean(false);
+   * // => true
+   *
+   * _.isBoolean(null);
+   * // => false
+   */
+  function isBoolean(value) {
+    return value === true || value === false ||
+      (isObjectLike(value) && baseGetTag(value) == boolTag);
+  }
+
+  /**
+   * Checks if `value` is classified as a `Date` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+   * @example
+   *
+   * _.isDate(new Date);
+   * // => true
+   *
+   * _.isDate('Mon April 23 2012');
+   * // => false
+   */
+  var isDate = baseIsDate;
+
+  /**
+   * Checks if `value` is an empty object, collection, map, or set.
+   *
+   * Objects are considered empty if they have no own enumerable string keyed
+   * properties.
+   *
+   * Array-like values such as `arguments` objects, arrays, buffers, strings, or
+   * jQuery-like collections are considered empty if they have a `length` of `0`.
+   * Similarly, maps and sets are considered empty if they have a `size` of `0`.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+   * @example
+   *
+   * _.isEmpty(null);
+   * // => true
+   *
+   * _.isEmpty(true);
+   * // => true
+   *
+   * _.isEmpty(1);
+   * // => true
+   *
+   * _.isEmpty([1, 2, 3]);
+   * // => false
+   *
+   * _.isEmpty({ 'a': 1 });
+   * // => false
+   */
+  function isEmpty(value) {
+    if (isArrayLike(value) &&
+        (isArray(value) || isString(value) ||
+          isFunction(value.splice) || isArguments(value))) {
+      return !value.length;
+    }
+    return !nativeKeys(value).length;
+  }
+
+  /**
+   * Performs a deep comparison between two values to determine if they are
+   * equivalent.
+   *
+   * **Note:** This method supports comparing arrays, array buffers, booleans,
+   * date objects, error objects, maps, numbers, `Object` objects, regexes,
+   * sets, strings, symbols, and typed arrays. `Object` objects are compared
+   * by their own, not inherited, enumerable properties. Functions and DOM
+   * nodes are compared by strict equality, i.e. `===`.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+   * @example
+   *
+   * var object = { 'a': 1 };
+   * var other = { 'a': 1 };
+   *
+   * _.isEqual(object, other);
+   * // => true
+   *
+   * object === other;
+   * // => false
+   */
+  function isEqual(value, other) {
+    return baseIsEqual(value, other);
+  }
+
+  /**
+   * Checks if `value` is a finite primitive number.
+   *
+   * **Note:** This method is based on
+   * [`Number.isFinite`](https://mdn.io/Number/isFinite).
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+   * @example
+   *
+   * _.isFinite(3);
+   * // => true
+   *
+   * _.isFinite(Number.MIN_VALUE);
+   * // => true
+   *
+   * _.isFinite(Infinity);
+   * // => false
+   *
+   * _.isFinite('3');
+   * // => false
+   */
+  function isFinite(value) {
+    return typeof value == 'number' && nativeIsFinite(value);
+  }
+
+  /**
+   * Checks if `value` is classified as a `Function` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+   * @example
+   *
+   * _.isFunction(_);
+   * // => true
+   *
+   * _.isFunction(/abc/);
+   * // => false
+   */
+  function isFunction(value) {
+    if (!isObject(value)) {
+      return false;
+    }
+    // The use of `Object#toString` avoids issues with the `typeof` operator
+    // in Safari 9 which returns 'object' for typed arrays and other constructors.
+    var tag = baseGetTag(value);
+    return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+  }
+
+  /**
+   * Checks if `value` is a valid array-like length.
+   *
+   * **Note:** This method is loosely based on
+   * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+   * @example
+   *
+   * _.isLength(3);
+   * // => true
+   *
+   * _.isLength(Number.MIN_VALUE);
+   * // => false
+   *
+   * _.isLength(Infinity);
+   * // => false
+   *
+   * _.isLength('3');
+   * // => false
+   */
+  function isLength(value) {
+    return typeof value == 'number' &&
+      value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+  }
+
+  /**
+   * Checks if `value` is the
+   * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+   * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+   * @example
+   *
+   * _.isObject({});
+   * // => true
+   *
+   * _.isObject([1, 2, 3]);
+   * // => true
+   *
+   * _.isObject(_.noop);
+   * // => true
+   *
+   * _.isObject(null);
+   * // => false
+   */
+  function isObject(value) {
+    var type = typeof value;
+    return value != null && (type == 'object' || type == 'function');
+  }
+
+  /**
+   * Checks if `value` is object-like. A value is object-like if it's not `null`
+   * and has a `typeof` result of "object".
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+   * @example
+   *
+   * _.isObjectLike({});
+   * // => true
+   *
+   * _.isObjectLike([1, 2, 3]);
+   * // => true
+   *
+   * _.isObjectLike(_.noop);
+   * // => false
+   *
+   * _.isObjectLike(null);
+   * // => false
+   */
+  function isObjectLike(value) {
+    return value != null && typeof value == 'object';
+  }
+
+  /**
+   * Checks if `value` is `NaN`.
+   *
+   * **Note:** This method is based on
+   * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+   * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+   * `undefined` and other non-number values.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+   * @example
+   *
+   * _.isNaN(NaN);
+   * // => true
+   *
+   * _.isNaN(new Number(NaN));
+   * // => true
+   *
+   * isNaN(undefined);
+   * // => true
+   *
+   * _.isNaN(undefined);
+   * // => false
+   */
+  function isNaN(value) {
+    // An `NaN` primitive is the only value that is not equal to itself.
+    // Perform the `toStringTag` check first to avoid errors with some
+    // ActiveX objects in IE.
+    return isNumber(value) && value != +value;
+  }
+
+  /**
+   * Checks if `value` is `null`.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+   * @example
+   *
+   * _.isNull(null);
+   * // => true
+   *
+   * _.isNull(void 0);
+   * // => false
+   */
+  function isNull(value) {
+    return value === null;
+  }
+
+  /**
+   * Checks if `value` is classified as a `Number` primitive or object.
+   *
+   * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+   * classified as numbers, use the `_.isFinite` method.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+   * @example
+   *
+   * _.isNumber(3);
+   * // => true
+   *
+   * _.isNumber(Number.MIN_VALUE);
+   * // => true
+   *
+   * _.isNumber(Infinity);
+   * // => true
+   *
+   * _.isNumber('3');
+   * // => false
+   */
+  function isNumber(value) {
+    return typeof value == 'number' ||
+      (isObjectLike(value) && baseGetTag(value) == numberTag);
+  }
+
+  /**
+   * Checks if `value` is classified as a `RegExp` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 0.1.0
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+   * @example
+   *
+   * _.isRegExp(/abc/);
+   * // => true
+   *
+   * _.isRegExp('/abc/');
+   * // => false
+   */
+  var isRegExp = baseIsRegExp;
+
+  /**
+   * Checks if `value` is classified as a `String` primitive or object.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+   * @example
+   *
+   * _.isString('abc');
+   * // => true
+   *
+   * _.isString(1);
+   * // => false
+   */
+  function isString(value) {
+    return typeof value == 'string' ||
+      (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+  }
+
+  /**
+   * Checks if `value` is `undefined`.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Lang
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+   * @example
+   *
+   * _.isUndefined(void 0);
+   * // => true
+   *
+   * _.isUndefined(null);
+   * // => false
+   */
+  function isUndefined(value) {
+    return value === undefined;
+  }
+
+  /**
+   * Converts `value` to an array.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Lang
+   * @param {*} value The value to convert.
+   * @returns {Array} Returns the converted array.
+   * @example
+   *
+   * _.toArray({ 'a': 1, 'b': 2 });
+   * // => [1, 2]
+   *
+   * _.toArray('abc');
+   * // => ['a', 'b', 'c']
+   *
+   * _.toArray(1);
+   * // => []
+   *
+   * _.toArray(null);
+   * // => []
+   */
+  function toArray(value) {
+    if (!isArrayLike(value)) {
+      return values(value);
+    }
+    return value.length ? copyArray(value) : [];
+  }
+
+  /**
+   * Converts `value` to an integer.
+   *
+   * **Note:** This method is loosely based on
+   * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to convert.
+   * @returns {number} Returns the converted integer.
+   * @example
+   *
+   * _.toInteger(3.2);
+   * // => 3
+   *
+   * _.toInteger(Number.MIN_VALUE);
+   * // => 0
+   *
+   * _.toInteger(Infinity);
+   * // => 1.7976931348623157e+308
+   *
+   * _.toInteger('3.2');
+   * // => 3
+   */
+  var toInteger = Number;
+
+  /**
+   * Converts `value` to a number.
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to process.
+   * @returns {number} Returns the number.
+   * @example
+   *
+   * _.toNumber(3.2);
+   * // => 3.2
+   *
+   * _.toNumber(Number.MIN_VALUE);
+   * // => 5e-324
+   *
+   * _.toNumber(Infinity);
+   * // => Infinity
+   *
+   * _.toNumber('3.2');
+   * // => 3.2
+   */
+  var toNumber = Number;
+
+  /**
+   * Converts `value` to a string. An empty string is returned for `null`
+   * and `undefined` values. The sign of `-0` is preserved.
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @category Lang
+   * @param {*} value The value to convert.
+   * @returns {string} Returns the converted string.
+   * @example
+   *
+   * _.toString(null);
+   * // => ''
+   *
+   * _.toString(-0);
+   * // => '-0'
+   *
+   * _.toString([1, 2, 3]);
+   * // => '1,2,3'
+   */
+  function toString(value) {
+    if (typeof value == 'string') {
+      return value;
+    }
+    return value == null ? '' : (value + '');
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Assigns own enumerable string keyed properties of source objects to the
+   * destination object. Source objects are applied from left to right.
+   * Subsequent sources overwrite property assignments of previous sources.
+   *
+   * **Note:** This method mutates `object` and is loosely based on
+   * [`Object.assign`](https://mdn.io/Object/assign).
+   *
+   * @static
+   * @memberOf _
+   * @since 0.10.0
+   * @category Object
+   * @param {Object} object The destination object.
+   * @param {...Object} [sources] The source objects.
+   * @returns {Object} Returns `object`.
+   * @see _.assignIn
+   * @example
+   *
+   * function Foo() {
+   *   this.a = 1;
+   * }
+   *
+   * function Bar() {
+   *   this.c = 3;
+   * }
+   *
+   * Foo.prototype.b = 2;
+   * Bar.prototype.d = 4;
+   *
+   * _.assign({ 'a': 0 }, new Foo, new Bar);
+   * // => { 'a': 1, 'c': 3 }
+   */
+  var assign = createAssigner(function(object, source) {
+    copyObject(source, nativeKeys(source), object);
+  });
+
+  /**
+   * This method is like `_.assign` except that it iterates over own and
+   * inherited source properties.
+   *
+   * **Note:** This method mutates `object`.
+   *
+   * @static
+   * @memberOf _
+   * @since 4.0.0
+   * @alias extend
+   * @category Object
+   * @param {Object} object The destination object.
+   * @param {...Object} [sources] The source objects.
+   * @returns {Object} Returns `object`.
+   * @see _.assign
+   * @example
+   *
+   * function Foo() {
+   *   this.a = 1;
+   * }
+   *
+   * function Bar() {
+   *   this.c = 3;
+   * }
+   *
+   * Foo.prototype.b = 2;
+   * Bar.prototype.d = 4;
+   *
+   * _.assignIn({ 'a': 0 }, new Foo, new Bar);
+   * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
+   */
+  var assignIn = createAssigner(function(object, source) {
+    copyObject(source, nativeKeysIn(source), object);
+  });
+
+  /**
+   * Creates an object that inherits from the `prototype` object. If a
+   * `properties` object is given, its own enumerable string keyed properties
+   * are assigned to the created object.
+   *
+   * @static
+   * @memberOf _
+   * @since 2.3.0
+   * @category Object
+   * @param {Object} prototype The object to inherit from.
+   * @param {Object} [properties] The properties to assign to the object.
+   * @returns {Object} Returns the new object.
+   * @example
+   *
+   * function Shape() {
+   *   this.x = 0;
+   *   this.y = 0;
+   * }
+   *
+   * function Circle() {
+   *   Shape.call(this);
+   * }
+   *
+   * Circle.prototype = _.create(Shape.prototype, {
+   *   'constructor': Circle
+   * });
+   *
+   * var circle = new Circle;
+   * circle instanceof Circle;
+   * // => true
+   *
+   * circle instanceof Shape;
+   * // => true
+   */
+  function create(prototype, properties) {
+    var result = baseCreate(prototype);
+    return properties == null ? result : assign(result, properties);
+  }
+
+  /**
+   * Assigns own and inherited enumerable string keyed properties of source
+   * objects to the destination object for all destination properties that
+   * resolve to `undefined`. Source objects are applied from left to right.
+   * Once a property is set, additional values of the same property are ignored.
+   *
+   * **Note:** This method mutates `object`.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The destination object.
+   * @param {...Object} [sources] The source objects.
+   * @returns {Object} Returns `object`.
+   * @see _.defaultsDeep
+   * @example
+   *
+   * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+   * // => { 'a': 1, 'b': 2 }
+   */
+  var defaults = baseRest(function(object, sources) {
+    object = Object(object);
+
+    var index = -1;
+    var length = sources.length;
+    var guard = length > 2 ? sources[2] : undefined;
+
+    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+      length = 1;
+    }
+
+    while (++index < length) {
+      var source = sources[index];
+      var props = keysIn(source);
+      var propsIndex = -1;
+      var propsLength = props.length;
+
+      while (++propsIndex < propsLength) {
+        var key = props[propsIndex];
+        var value = object[key];
+
+        if (value === undefined ||
+            (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+          object[key] = source[key];
+        }
+      }
+    }
+
+    return object;
+  });
+
+  /**
+   * Checks if `path` is a direct property of `object`.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The object to query.
+   * @param {Array|string} path The path to check.
+   * @returns {boolean} Returns `true` if `path` exists, else `false`.
+   * @example
+   *
+   * var object = { 'a': { 'b': 2 } };
+   * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+   *
+   * _.has(object, 'a');
+   * // => true
+   *
+   * _.has(object, 'a.b');
+   * // => true
+   *
+   * _.has(object, ['a', 'b']);
+   * // => true
+   *
+   * _.has(other, 'a');
+   * // => false
+   */
+  function has(object, path) {
+    return object != null && hasOwnProperty.call(object, path);
+  }
+
+  /**
+   * Creates an array of the own enumerable property names of `object`.
+   *
+   * **Note:** Non-object values are coerced to objects. See the
+   * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+   * for more details.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The object to query.
+   * @returns {Array} Returns the array of property names.
+   * @example
+   *
+   * function Foo() {
+   *   this.a = 1;
+   *   this.b = 2;
+   * }
+   *
+   * Foo.prototype.c = 3;
+   *
+   * _.keys(new Foo);
+   * // => ['a', 'b'] (iteration order is not guaranteed)
+   *
+   * _.keys('hi');
+   * // => ['0', '1']
+   */
+  var keys = nativeKeys;
+
+  /**
+   * Creates an array of the own and inherited enumerable property names of `object`.
+   *
+   * **Note:** Non-object values are coerced to objects.
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Object
+   * @param {Object} object The object to query.
+   * @returns {Array} Returns the array of property names.
+   * @example
+   *
+   * function Foo() {
+   *   this.a = 1;
+   *   this.b = 2;
+   * }
+   *
+   * Foo.prototype.c = 3;
+   *
+   * _.keysIn(new Foo);
+   * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+   */
+  var keysIn = nativeKeysIn;
+
+  /**
+   * Creates an object composed of the picked `object` properties.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The source object.
+   * @param {...(string|string[])} [paths] The property paths to pick.
+   * @returns {Object} Returns the new object.
+   * @example
+   *
+   * var object = { 'a': 1, 'b': '2', 'c': 3 };
+   *
+   * _.pick(object, ['a', 'c']);
+   * // => { 'a': 1, 'c': 3 }
+   */
+  var pick = flatRest(function(object, paths) {
+    return object == null ? {} : basePick(object, paths);
+  });
+
+  /**
+   * This method is like `_.get` except that if the resolved value is a
+   * function it's invoked with the `this` binding of its parent object and
+   * its result is returned.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The object to query.
+   * @param {Array|string} path The path of the property to resolve.
+   * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+   * @returns {*} Returns the resolved value.
+   * @example
+   *
+   * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+   *
+   * _.result(object, 'a[0].b.c1');
+   * // => 3
+   *
+   * _.result(object, 'a[0].b.c2');
+   * // => 4
+   *
+   * _.result(object, 'a[0].b.c3', 'default');
+   * // => 'default'
+   *
+   * _.result(object, 'a[0].b.c3', _.constant('default'));
+   * // => 'default'
+   */
+  function result(object, path, defaultValue) {
+    var value = object == null ? undefined : object[path];
+    if (value === undefined) {
+      value = defaultValue;
+    }
+    return isFunction(value) ? value.call(object) : value;
+  }
+
+  /**
+   * Creates an array of the own enumerable string keyed property values of `object`.
+   *
+   * **Note:** Non-object values are coerced to objects.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The object to query.
+   * @returns {Array} Returns the array of property values.
+   * @example
+   *
+   * function Foo() {
+   *   this.a = 1;
+   *   this.b = 2;
+   * }
+   *
+   * Foo.prototype.c = 3;
+   *
+   * _.values(new Foo);
+   * // => [1, 2] (iteration order is not guaranteed)
+   *
+   * _.values('hi');
+   * // => ['h', 'i']
+   */
+  function values(object) {
+    return object == null ? [] : baseValues(object, keys(object));
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
+   * corresponding HTML entities.
+   *
+   * **Note:** No other characters are escaped. To escape additional
+   * characters use a third-party library like [_he_](https://mths.be/he).
+   *
+   * Though the ">" character is escaped for symmetry, characters like
+   * ">" and "/" don't need escaping in HTML and have no special meaning
+   * unless they're part of a tag or unquoted attribute value. See
+   * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+   * (under "semi-related fun fact") for more details.
+   *
+   * When working with HTML you should always
+   * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
+   * XSS vectors.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category String
+   * @param {string} [string=''] The string to escape.
+   * @returns {string} Returns the escaped string.
+   * @example
+   *
+   * _.escape('fred, barney, & pebbles');
+   * // => 'fred, barney, &amp; pebbles'
+   */
+  function escape(string) {
+    string = toString(string);
+    return (string && reHasUnescapedHtml.test(string))
+      ? string.replace(reUnescapedHtml, escapeHtmlChar)
+      : string;
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * This method returns the first argument it receives.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Util
+   * @param {*} value Any value.
+   * @returns {*} Returns `value`.
+   * @example
+   *
+   * var object = { 'a': 1 };
+   *
+   * console.log(_.identity(object) === object);
+   * // => true
+   */
+  function identity(value) {
+    return value;
+  }
+
+  /**
+   * Creates a function that invokes `func` with the arguments of the created
+   * function. If `func` is a property name, the created function returns the
+   * property value for a given element. If `func` is an array or object, the
+   * created function returns `true` for elements that contain the equivalent
+   * source properties, otherwise it returns `false`.
+   *
+   * @static
+   * @since 4.0.0
+   * @memberOf _
+   * @category Util
+   * @param {*} [func=_.identity] The value to convert to a callback.
+   * @returns {Function} Returns the callback.
+   * @example
+   *
+   * var users = [
+   *   { 'user': 'barney', 'age': 36, 'active': true },
+   *   { 'user': 'fred',   'age': 40, 'active': false }
+   * ];
+   *
+   * // The `_.matches` iteratee shorthand.
+   * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
+   * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
+   *
+   * // The `_.matchesProperty` iteratee shorthand.
+   * _.filter(users, _.iteratee(['user', 'fred']));
+   * // => [{ 'user': 'fred', 'age': 40 }]
+   *
+   * // The `_.property` iteratee shorthand.
+   * _.map(users, _.iteratee('user'));
+   * // => ['barney', 'fred']
+   *
+   * // Create custom iteratee shorthands.
+   * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
+   *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
+   *     return func.test(string);
+   *   };
+   * });
+   *
+   * _.filter(['abc', 'def'], /ef/);
+   * // => ['def']
+   */
+  var iteratee = baseIteratee;
+
+  /**
+   * Creates a function that performs a partial deep comparison between a given
+   * object and `source`, returning `true` if the given object has equivalent
+   * property values, else `false`.
+   *
+   * **Note:** The created function is equivalent to `_.isMatch` with `source`
+   * partially applied.
+   *
+   * Partial comparisons will match empty array and empty object `source`
+   * values against any array or object value, respectively. See `_.isEqual`
+   * for a list of supported value comparisons.
+   *
+   * **Note:** Multiple values can be checked by combining several matchers
+   * using `_.overSome`
+   *
+   * @static
+   * @memberOf _
+   * @since 3.0.0
+   * @category Util
+   * @param {Object} source The object of property values to match.
+   * @returns {Function} Returns the new spec function.
+   * @example
+   *
+   * var objects = [
+   *   { 'a': 1, 'b': 2, 'c': 3 },
+   *   { 'a': 4, 'b': 5, 'c': 6 }
+   * ];
+   *
+   * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
+   * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
+   *
+   * // Checking for several possible values
+   * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));
+   * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
+   */
+  function matches(source) {
+    return baseMatches(assign({}, source));
+  }
+
+  /**
+   * Adds all own enumerable string keyed function properties of a source
+   * object to the destination object. If `object` is a function, then methods
+   * are added to its prototype as well.
+   *
+   * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+   * avoid conflicts caused by modifying the original.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Util
+   * @param {Function|Object} [object=lodash] The destination object.
+   * @param {Object} source The object of functions to add.
+   * @param {Object} [options={}] The options object.
+   * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
+   * @returns {Function|Object} Returns `object`.
+   * @example
+   *
+   * function vowels(string) {
+   *   return _.filter(string, function(v) {
+   *     return /[aeiou]/i.test(v);
+   *   });
+   * }
+   *
+   * _.mixin({ 'vowels': vowels });
+   * _.vowels('fred');
+   * // => ['e']
+   *
+   * _('fred').vowels().value();
+   * // => ['e']
+   *
+   * _.mixin({ 'vowels': vowels }, { 'chain': false });
+   * _('fred').vowels();
+   * // => ['e']
+   */
+  function mixin(object, source, options) {
+    var props = keys(source),
+        methodNames = baseFunctions(source, props);
+
+    if (options == null &&
+        !(isObject(source) && (methodNames.length || !props.length))) {
+      options = source;
+      source = object;
+      object = this;
+      methodNames = baseFunctions(source, keys(source));
+    }
+    var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
+        isFunc = isFunction(object);
+
+    baseEach(methodNames, function(methodName) {
+      var func = source[methodName];
+      object[methodName] = func;
+      if (isFunc) {
+        object.prototype[methodName] = function() {
+          var chainAll = this.__chain__;
+          if (chain || chainAll) {
+            var result = object(this.__wrapped__),
+                actions = result.__actions__ = copyArray(this.__actions__);
+
+            actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
+            result.__chain__ = chainAll;
+            return result;
+          }
+          return func.apply(object, arrayPush([this.value()], arguments));
+        };
+      }
+    });
+
+    return object;
+  }
+
+  /**
+   * Reverts the `_` variable to its previous value and returns a reference to
+   * the `lodash` function.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Util
+   * @returns {Function} Returns the `lodash` function.
+   * @example
+   *
+   * var lodash = _.noConflict();
+   */
+  function noConflict() {
+    if (root._ === this) {
+      root._ = oldDash;
+    }
+    return this;
+  }
+
+  /**
+   * This method returns `undefined`.
+   *
+   * @static
+   * @memberOf _
+   * @since 2.3.0
+   * @category Util
+   * @example
+   *
+   * _.times(2, _.noop);
+   * // => [undefined, undefined]
+   */
+  function noop() {
+    // No operation performed.
+  }
+
+  /**
+   * Generates a unique ID. If `prefix` is given, the ID is appended to it.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Util
+   * @param {string} [prefix=''] The value to prefix the ID with.
+   * @returns {string} Returns the unique ID.
+   * @example
+   *
+   * _.uniqueId('contact_');
+   * // => 'contact_104'
+   *
+   * _.uniqueId();
+   * // => '105'
+   */
+  function uniqueId(prefix) {
+    var id = ++idCounter;
+    return toString(prefix) + id;
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * Computes the maximum value of `array`. If `array` is empty or falsey,
+   * `undefined` is returned.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Math
+   * @param {Array} array The array to iterate over.
+   * @returns {*} Returns the maximum value.
+   * @example
+   *
+   * _.max([4, 2, 8, 6]);
+   * // => 8
+   *
+   * _.max([]);
+   * // => undefined
+   */
+  function max(array) {
+    return (array && array.length)
+      ? baseExtremum(array, identity, baseGt)
+      : undefined;
+  }
+
+  /**
+   * Computes the minimum value of `array`. If `array` is empty or falsey,
+   * `undefined` is returned.
+   *
+   * @static
+   * @since 0.1.0
+   * @memberOf _
+   * @category Math
+   * @param {Array} array The array to iterate over.
+   * @returns {*} Returns the minimum value.
+   * @example
+   *
+   * _.min([4, 2, 8, 6]);
+   * // => 2
+   *
+   * _.min([]);
+   * // => undefined
+   */
+  function min(array) {
+    return (array && array.length)
+      ? baseExtremum(array, identity, baseLt)
+      : undefined;
+  }
+
+  /*------------------------------------------------------------------------*/
+
+  // Add methods that return wrapped values in chain sequences.
+  lodash.assignIn = assignIn;
+  lodash.before = before;
+  lodash.bind = bind;
+  lodash.chain = chain;
+  lodash.compact = compact;
+  lodash.concat = concat;
+  lodash.create = create;
+  lodash.defaults = defaults;
+  lodash.defer = defer;
+  lodash.delay = delay;
+  lodash.filter = filter;
+  lodash.flatten = flatten;
+  lodash.flattenDeep = flattenDeep;
+  lodash.iteratee = iteratee;
+  lodash.keys = keys;
+  lodash.map = map;
+  lodash.matches = matches;
+  lodash.mixin = mixin;
+  lodash.negate = negate;
+  lodash.once = once;
+  lodash.pick = pick;
+  lodash.slice = slice;
+  lodash.sortBy = sortBy;
+  lodash.tap = tap;
+  lodash.thru = thru;
+  lodash.toArray = toArray;
+  lodash.values = values;
+
+  // Add aliases.
+  lodash.extend = assignIn;
+
+  // Add methods to `lodash.prototype`.
+  mixin(lodash, lodash);
+
+  /*------------------------------------------------------------------------*/
+
+  // Add methods that return unwrapped values in chain sequences.
+  lodash.clone = clone;
+  lodash.escape = escape;
+  lodash.every = every;
+  lodash.find = find;
+  lodash.forEach = forEach;
+  lodash.has = has;
+  lodash.head = head;
+  lodash.identity = identity;
+  lodash.indexOf = indexOf;
+  lodash.isArguments = isArguments;
+  lodash.isArray = isArray;
+  lodash.isBoolean = isBoolean;
+  lodash.isDate = isDate;
+  lodash.isEmpty = isEmpty;
+  lodash.isEqual = isEqual;
+  lodash.isFinite = isFinite;
+  lodash.isFunction = isFunction;
+  lodash.isNaN = isNaN;
+  lodash.isNull = isNull;
+  lodash.isNumber = isNumber;
+  lodash.isObject = isObject;
+  lodash.isRegExp = isRegExp;
+  lodash.isString = isString;
+  lodash.isUndefined = isUndefined;
+  lodash.last = last;
+  lodash.max = max;
+  lodash.min = min;
+  lodash.noConflict = noConflict;
+  lodash.noop = noop;
+  lodash.reduce = reduce;
+  lodash.result = result;
+  lodash.size = size;
+  lodash.some = some;
+  lodash.uniqueId = uniqueId;
+
+  // Add aliases.
+  lodash.each = forEach;
+  lodash.first = head;
+
+  mixin(lodash, (function() {
+    var source = {};
+    baseForOwn(lodash, function(func, methodName) {
+      if (!hasOwnProperty.call(lodash.prototype, methodName)) {
+        source[methodName] = func;
+      }
+    });
+    return source;
+  }()), { 'chain': false });
+
+  /*------------------------------------------------------------------------*/
+
+  /**
+   * The semantic version number.
+   *
+   * @static
+   * @memberOf _
+   * @type {string}
+   */
+  lodash.VERSION = VERSION;
+
+  // Add `Array` methods to `lodash.prototype`.
+  baseEach(['pop', 'join', 'replace', 'reverse', 'split', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
+    var func = (/^(?:replace|split)$/.test(methodName) ? String.prototype : arrayProto)[methodName],
+        chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
+        retUnwrapped = /^(?:pop|join|replace|shift)$/.test(methodName);
+
+    lodash.prototype[methodName] = function() {
+      var args = arguments;
+      if (retUnwrapped && !this.__chain__) {
+        var value = this.value();
+        return func.apply(isArray(value) ? value : [], args);
+      }
+      return this[chainName](function(value) {
+        return func.apply(isArray(value) ? value : [], args);
+      });
+    };
+  });
+
+  // Add chain sequence methods to the `lodash` wrapper.
+  lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+
+  /*--------------------------------------------------------------------------*/
+
+  // Some AMD build optimizers, like r.js, check for condition patterns like:
+  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
+    // Expose Lodash on the global object to prevent errors when Lodash is
+    // loaded by a script tag in the presence of an AMD loader.
+    // See http://requirejs.org/docs/errors.html#mismatch for more details.
+    // Use `_.noConflict` to remove Lodash from the global object.
+    root._ = lodash;
+
+    // Define as an anonymous module so, through path mapping, it can be
+    // referenced as the "underscore" module.
+    define(function() {
+      return lodash;
+    });
+  }
+  // Check for `exports` after `define` in case a build optimizer adds it.
+  else if (freeModule) {
+    // Export for Node.js.
+    (freeModule.exports = lodash)._ = lodash;
+    // Export for CommonJS support.
+    freeExports._ = lodash;
+  }
+  else {
+    // Export to the global object.
+    root._ = lodash;
+  }
+}.call(this));
diff --git a/web/public/node_modules/lodash/core.min.js b/web/public/node_modules/lodash/core.min.js
new file mode 100644
index 000000000..e425e4d4f
--- /dev/null
+++ b/web/public/node_modules/lodash/core.min.js
@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Lodash (Custom Build) lodash.com/license | Underscore.js 1.8.3 underscorejs.org/LICENSE
+ * Build: `lodash core -o ./dist/lodash.core.js`
+ */
+;(function(){function n(n){return H(n)&&pn.call(n,"callee")&&!yn.call(n,"callee")}function t(n,t){return n.push.apply(n,t),n}function r(n){return function(t){return null==t?Z:t[n]}}function e(n,t,r,e,u){return u(n,function(n,u,o){r=e?(e=false,n):t(r,n,u,o)}),r}function u(n,t){return j(t,function(t){return n[t]})}function o(n){return n instanceof i?n:new i(n)}function i(n,t){this.__wrapped__=n,this.__actions__=[],this.__chain__=!!t}function c(n,t,r){if(typeof n!="function")throw new TypeError("Expected a function");
+return setTimeout(function(){n.apply(Z,r)},t)}function f(n,t){var r=true;return mn(n,function(n,e,u){return r=!!t(n,e,u)}),r}function a(n,t,r){for(var e=-1,u=n.length;++e<u;){var o=n[e],i=t(o);if(null!=i&&(c===Z?i===i:r(i,c)))var c=i,f=o}return f}function l(n,t){var r=[];return mn(n,function(n,e,u){t(n,e,u)&&r.push(n)}),r}function p(n,r,e,u,o){var i=-1,c=n.length;for(e||(e=R),o||(o=[]);++i<c;){var f=n[i];0<r&&e(f)?1<r?p(f,r-1,e,u,o):t(o,f):u||(o[o.length]=f)}return o}function s(n,t){return n&&On(n,t,Dn);
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+return n[0]==t});if(p&&s)return p[1]==t;if(o.push([n,t]),o.push([t,n]),a&&!l){if(i)r=T(n,t,r,e,u,o);else n:{switch(f){case"[object Boolean]":case"[object Date]":case"[object Number]":r=J(+n,+t);break n;case"[object Error]":r=n.name==t.name&&n.message==t.message;break n;case"[object RegExp]":case"[object String]":r=n==t+"";break n}r=false}return o.pop(),r}return 1&r||(i=l&&pn.call(n,"__wrapped__"),f=c&&pn.call(t,"__wrapped__"),!i&&!f)?!!a&&(r=B(n,t,r,e,u,o),o.pop(),r):(i=i?n.value():n,f=f?t.value():t,
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+return t(n),n},o.thru=function(n,t){return t(n)},o.toArray=function(n){return M(n)?n.length?A(n):[]:W(n)},o.values=W,o.extend=Bn,Y(o,o),o.clone=function(n){return V(n)?Nn(n)?A(n):k(n,_n(n)):n},o.escape=function(n){return(n=Q(n))&&rn.test(n)?n.replace(tn,fn):n},o.every=function(n,t,r){return t=r?Z:t,f(n,g(t))},o.find=An,o.forEach=z,o.has=function(n,t){return null!=n&&pn.call(n,t)},o.head=q,o.identity=X,o.indexOf=P,o.isArguments=n,o.isArray=Nn,o.isBoolean=function(n){return true===n||false===n||H(n)&&"[object Boolean]"==hn.call(n);
+},o.isDate=function(n){return H(n)&&"[object Date]"==hn.call(n)},o.isEmpty=function(t){return M(t)&&(Nn(t)||L(t)||U(t.splice)||n(t))?!t.length:!_n(t).length},o.isEqual=function(n,t){return b(n,t)},o.isFinite=function(n){return typeof n=="number"&&gn(n)},o.isFunction=U,o.isNaN=function(n){return K(n)&&n!=+n},o.isNull=function(n){return null===n},o.isNumber=K,o.isObject=V,o.isRegExp=function(n){return H(n)&&"[object RegExp]"==hn.call(n)},o.isString=L,o.isUndefined=function(n){return n===Z},o.last=function(n){
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+var n={};return s(o,function(t,r){pn.call(o.prototype,r)||(n[r]=t)}),n}(),{chain:false}),o.VERSION="4.17.21",mn("pop join replace reverse split push shift sort splice unshift".split(" "),function(n){var t=(/^(?:replace|split)$/.test(n)?String.prototype:an)[n],r=/^(?:push|sort|unshift)$/.test(n)?"tap":"thru",e=/^(?:pop|join|replace|shift)$/.test(n);o.prototype[n]=function(){var n=arguments;if(e&&!this.__chain__){var u=this.value();return t.apply(Nn(u)?u:[],n)}return this[r](function(r){return t.apply(Nn(r)?r:[],n);
+})}}),o.prototype.toJSON=o.prototype.valueOf=o.prototype.value=function(){return w(this.__wrapped__,this.__actions__)},typeof define=="function"&&typeof define.amd=="object"&&define.amd?(on._=o, define(function(){return o})):cn?((cn.exports=o)._=o,un._=o):on._=o}).call(this);
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diff --git a/web/public/node_modules/lodash/countBy.js b/web/public/node_modules/lodash/countBy.js
new file mode 100644
index 000000000..0e88abc27
--- /dev/null
+++ b/web/public/node_modules/lodash/countBy.js
@@ -0,0 +1,40 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    createAggregator = require('./_createAggregator');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Creates an object composed of keys generated from the results of running
+ * each element of `collection` thru `iteratee`. The corresponding value of
+ * each key is the number of times the key was returned by `iteratee`. The
+ * iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.5.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+ * @returns {Object} Returns the composed aggregate object.
+ * @example
+ *
+ * _.countBy([6.1, 4.2, 6.3], Math.floor);
+ * // => { '4': 1, '6': 2 }
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.countBy(['one', 'two', 'three'], 'length');
+ * // => { '3': 2, '5': 1 }
+ */
+var countBy = createAggregator(function(result, value, key) {
+  if (hasOwnProperty.call(result, key)) {
+    ++result[key];
+  } else {
+    baseAssignValue(result, key, 1);
+  }
+});
+
+module.exports = countBy;
diff --git a/web/public/node_modules/lodash/create.js b/web/public/node_modules/lodash/create.js
new file mode 100644
index 000000000..919edb850
--- /dev/null
+++ b/web/public/node_modules/lodash/create.js
@@ -0,0 +1,43 @@
+var baseAssign = require('./_baseAssign'),
+    baseCreate = require('./_baseCreate');
+
+/**
+ * Creates an object that inherits from the `prototype` object. If a
+ * `properties` object is given, its own enumerable string keyed properties
+ * are assigned to the created object.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.3.0
+ * @category Object
+ * @param {Object} prototype The object to inherit from.
+ * @param {Object} [properties] The properties to assign to the object.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * function Shape() {
+ *   this.x = 0;
+ *   this.y = 0;
+ * }
+ *
+ * function Circle() {
+ *   Shape.call(this);
+ * }
+ *
+ * Circle.prototype = _.create(Shape.prototype, {
+ *   'constructor': Circle
+ * });
+ *
+ * var circle = new Circle;
+ * circle instanceof Circle;
+ * // => true
+ *
+ * circle instanceof Shape;
+ * // => true
+ */
+function create(prototype, properties) {
+  var result = baseCreate(prototype);
+  return properties == null ? result : baseAssign(result, properties);
+}
+
+module.exports = create;
diff --git a/web/public/node_modules/lodash/curry.js b/web/public/node_modules/lodash/curry.js
new file mode 100644
index 000000000..918db1a4a
--- /dev/null
+++ b/web/public/node_modules/lodash/curry.js
@@ -0,0 +1,57 @@
+var createWrap = require('./_createWrap');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_CURRY_FLAG = 8;
+
+/**
+ * Creates a function that accepts arguments of `func` and either invokes
+ * `func` returning its result, if at least `arity` number of arguments have
+ * been provided, or returns a function that accepts the remaining `func`
+ * arguments, and so on. The arity of `func` may be specified if `func.length`
+ * is not sufficient.
+ *
+ * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
+ * may be used as a placeholder for provided arguments.
+ *
+ * **Note:** This method doesn't set the "length" property of curried functions.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Function
+ * @param {Function} func The function to curry.
+ * @param {number} [arity=func.length] The arity of `func`.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Function} Returns the new curried function.
+ * @example
+ *
+ * var abc = function(a, b, c) {
+ *   return [a, b, c];
+ * };
+ *
+ * var curried = _.curry(abc);
+ *
+ * curried(1)(2)(3);
+ * // => [1, 2, 3]
+ *
+ * curried(1, 2)(3);
+ * // => [1, 2, 3]
+ *
+ * curried(1, 2, 3);
+ * // => [1, 2, 3]
+ *
+ * // Curried with placeholders.
+ * curried(1)(_, 3)(2);
+ * // => [1, 2, 3]
+ */
+function curry(func, arity, guard) {
+  arity = guard ? undefined : arity;
+  var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+  result.placeholder = curry.placeholder;
+  return result;
+}
+
+// Assign default placeholders.
+curry.placeholder = {};
+
+module.exports = curry;
diff --git a/web/public/node_modules/lodash/curryRight.js b/web/public/node_modules/lodash/curryRight.js
new file mode 100644
index 000000000..c85b6f339
--- /dev/null
+++ b/web/public/node_modules/lodash/curryRight.js
@@ -0,0 +1,54 @@
+var createWrap = require('./_createWrap');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_CURRY_RIGHT_FLAG = 16;
+
+/**
+ * This method is like `_.curry` except that arguments are applied to `func`
+ * in the manner of `_.partialRight` instead of `_.partial`.
+ *
+ * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
+ * builds, may be used as a placeholder for provided arguments.
+ *
+ * **Note:** This method doesn't set the "length" property of curried functions.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Function
+ * @param {Function} func The function to curry.
+ * @param {number} [arity=func.length] The arity of `func`.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Function} Returns the new curried function.
+ * @example
+ *
+ * var abc = function(a, b, c) {
+ *   return [a, b, c];
+ * };
+ *
+ * var curried = _.curryRight(abc);
+ *
+ * curried(3)(2)(1);
+ * // => [1, 2, 3]
+ *
+ * curried(2, 3)(1);
+ * // => [1, 2, 3]
+ *
+ * curried(1, 2, 3);
+ * // => [1, 2, 3]
+ *
+ * // Curried with placeholders.
+ * curried(3)(1, _)(2);
+ * // => [1, 2, 3]
+ */
+function curryRight(func, arity, guard) {
+  arity = guard ? undefined : arity;
+  var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+  result.placeholder = curryRight.placeholder;
+  return result;
+}
+
+// Assign default placeholders.
+curryRight.placeholder = {};
+
+module.exports = curryRight;
diff --git a/web/public/node_modules/lodash/date.js b/web/public/node_modules/lodash/date.js
new file mode 100644
index 000000000..cbf5b4109
--- /dev/null
+++ b/web/public/node_modules/lodash/date.js
@@ -0,0 +1,3 @@
+module.exports = {
+  'now': require('./now')
+};
diff --git a/web/public/node_modules/lodash/debounce.js b/web/public/node_modules/lodash/debounce.js
new file mode 100644
index 000000000..8f751d53d
--- /dev/null
+++ b/web/public/node_modules/lodash/debounce.js
@@ -0,0 +1,191 @@
+var isObject = require('./isObject'),
+    now = require('./now'),
+    toNumber = require('./toNumber');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max,
+    nativeMin = Math.min;
+
+/**
+ * Creates a debounced function that delays invoking `func` until after `wait`
+ * milliseconds have elapsed since the last time the debounced function was
+ * invoked. The debounced function comes with a `cancel` method to cancel
+ * delayed `func` invocations and a `flush` method to immediately invoke them.
+ * Provide `options` to indicate whether `func` should be invoked on the
+ * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
+ * with the last arguments provided to the debounced function. Subsequent
+ * calls to the debounced function return the result of the last `func`
+ * invocation.
+ *
+ * **Note:** If `leading` and `trailing` options are `true`, `func` is
+ * invoked on the trailing edge of the timeout only if the debounced function
+ * is invoked more than once during the `wait` timeout.
+ *
+ * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+ * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+ *
+ * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+ * for details over the differences between `_.debounce` and `_.throttle`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to debounce.
+ * @param {number} [wait=0] The number of milliseconds to delay.
+ * @param {Object} [options={}] The options object.
+ * @param {boolean} [options.leading=false]
+ *  Specify invoking on the leading edge of the timeout.
+ * @param {number} [options.maxWait]
+ *  The maximum time `func` is allowed to be delayed before it's invoked.
+ * @param {boolean} [options.trailing=true]
+ *  Specify invoking on the trailing edge of the timeout.
+ * @returns {Function} Returns the new debounced function.
+ * @example
+ *
+ * // Avoid costly calculations while the window size is in flux.
+ * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
+ *
+ * // Invoke `sendMail` when clicked, debouncing subsequent calls.
+ * jQuery(element).on('click', _.debounce(sendMail, 300, {
+ *   'leading': true,
+ *   'trailing': false
+ * }));
+ *
+ * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
+ * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
+ * var source = new EventSource('/stream');
+ * jQuery(source).on('message', debounced);
+ *
+ * // Cancel the trailing debounced invocation.
+ * jQuery(window).on('popstate', debounced.cancel);
+ */
+function debounce(func, wait, options) {
+  var lastArgs,
+      lastThis,
+      maxWait,
+      result,
+      timerId,
+      lastCallTime,
+      lastInvokeTime = 0,
+      leading = false,
+      maxing = false,
+      trailing = true;
+
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  wait = toNumber(wait) || 0;
+  if (isObject(options)) {
+    leading = !!options.leading;
+    maxing = 'maxWait' in options;
+    maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
+    trailing = 'trailing' in options ? !!options.trailing : trailing;
+  }
+
+  function invokeFunc(time) {
+    var args = lastArgs,
+        thisArg = lastThis;
+
+    lastArgs = lastThis = undefined;
+    lastInvokeTime = time;
+    result = func.apply(thisArg, args);
+    return result;
+  }
+
+  function leadingEdge(time) {
+    // Reset any `maxWait` timer.
+    lastInvokeTime = time;
+    // Start the timer for the trailing edge.
+    timerId = setTimeout(timerExpired, wait);
+    // Invoke the leading edge.
+    return leading ? invokeFunc(time) : result;
+  }
+
+  function remainingWait(time) {
+    var timeSinceLastCall = time - lastCallTime,
+        timeSinceLastInvoke = time - lastInvokeTime,
+        timeWaiting = wait - timeSinceLastCall;
+
+    return maxing
+      ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
+      : timeWaiting;
+  }
+
+  function shouldInvoke(time) {
+    var timeSinceLastCall = time - lastCallTime,
+        timeSinceLastInvoke = time - lastInvokeTime;
+
+    // Either this is the first call, activity has stopped and we're at the
+    // trailing edge, the system time has gone backwards and we're treating
+    // it as the trailing edge, or we've hit the `maxWait` limit.
+    return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
+      (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
+  }
+
+  function timerExpired() {
+    var time = now();
+    if (shouldInvoke(time)) {
+      return trailingEdge(time);
+    }
+    // Restart the timer.
+    timerId = setTimeout(timerExpired, remainingWait(time));
+  }
+
+  function trailingEdge(time) {
+    timerId = undefined;
+
+    // Only invoke if we have `lastArgs` which means `func` has been
+    // debounced at least once.
+    if (trailing && lastArgs) {
+      return invokeFunc(time);
+    }
+    lastArgs = lastThis = undefined;
+    return result;
+  }
+
+  function cancel() {
+    if (timerId !== undefined) {
+      clearTimeout(timerId);
+    }
+    lastInvokeTime = 0;
+    lastArgs = lastCallTime = lastThis = timerId = undefined;
+  }
+
+  function flush() {
+    return timerId === undefined ? result : trailingEdge(now());
+  }
+
+  function debounced() {
+    var time = now(),
+        isInvoking = shouldInvoke(time);
+
+    lastArgs = arguments;
+    lastThis = this;
+    lastCallTime = time;
+
+    if (isInvoking) {
+      if (timerId === undefined) {
+        return leadingEdge(lastCallTime);
+      }
+      if (maxing) {
+        // Handle invocations in a tight loop.
+        clearTimeout(timerId);
+        timerId = setTimeout(timerExpired, wait);
+        return invokeFunc(lastCallTime);
+      }
+    }
+    if (timerId === undefined) {
+      timerId = setTimeout(timerExpired, wait);
+    }
+    return result;
+  }
+  debounced.cancel = cancel;
+  debounced.flush = flush;
+  return debounced;
+}
+
+module.exports = debounce;
diff --git a/web/public/node_modules/lodash/deburr.js b/web/public/node_modules/lodash/deburr.js
new file mode 100644
index 000000000..f85e314a0
--- /dev/null
+++ b/web/public/node_modules/lodash/deburr.js
@@ -0,0 +1,45 @@
+var deburrLetter = require('./_deburrLetter'),
+    toString = require('./toString');
+
+/** Used to match Latin Unicode letters (excluding mathematical operators). */
+var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
+
+/** Used to compose unicode character classes. */
+var rsComboMarksRange = '\\u0300-\\u036f',
+    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;
+
+/** Used to compose unicode capture groups. */
+var rsCombo = '[' + rsComboRange + ']';
+
+/**
+ * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
+ * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
+ */
+var reComboMark = RegExp(rsCombo, 'g');
+
+/**
+ * Deburrs `string` by converting
+ * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
+ * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
+ * letters to basic Latin letters and removing
+ * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to deburr.
+ * @returns {string} Returns the deburred string.
+ * @example
+ *
+ * _.deburr('déjà vu');
+ * // => 'deja vu'
+ */
+function deburr(string) {
+  string = toString(string);
+  return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
+}
+
+module.exports = deburr;
diff --git a/web/public/node_modules/lodash/defaultTo.js b/web/public/node_modules/lodash/defaultTo.js
new file mode 100644
index 000000000..5b333592e
--- /dev/null
+++ b/web/public/node_modules/lodash/defaultTo.js
@@ -0,0 +1,25 @@
+/**
+ * Checks `value` to determine whether a default value should be returned in
+ * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
+ * or `undefined`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.14.0
+ * @category Util
+ * @param {*} value The value to check.
+ * @param {*} defaultValue The default value.
+ * @returns {*} Returns the resolved value.
+ * @example
+ *
+ * _.defaultTo(1, 10);
+ * // => 1
+ *
+ * _.defaultTo(undefined, 10);
+ * // => 10
+ */
+function defaultTo(value, defaultValue) {
+  return (value == null || value !== value) ? defaultValue : value;
+}
+
+module.exports = defaultTo;
diff --git a/web/public/node_modules/lodash/defaults.js b/web/public/node_modules/lodash/defaults.js
new file mode 100644
index 000000000..c74df044c
--- /dev/null
+++ b/web/public/node_modules/lodash/defaults.js
@@ -0,0 +1,64 @@
+var baseRest = require('./_baseRest'),
+    eq = require('./eq'),
+    isIterateeCall = require('./_isIterateeCall'),
+    keysIn = require('./keysIn');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Assigns own and inherited enumerable string keyed properties of source
+ * objects to the destination object for all destination properties that
+ * resolve to `undefined`. Source objects are applied from left to right.
+ * Once a property is set, additional values of the same property are ignored.
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} [sources] The source objects.
+ * @returns {Object} Returns `object`.
+ * @see _.defaultsDeep
+ * @example
+ *
+ * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+ * // => { 'a': 1, 'b': 2 }
+ */
+var defaults = baseRest(function(object, sources) {
+  object = Object(object);
+
+  var index = -1;
+  var length = sources.length;
+  var guard = length > 2 ? sources[2] : undefined;
+
+  if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+    length = 1;
+  }
+
+  while (++index < length) {
+    var source = sources[index];
+    var props = keysIn(source);
+    var propsIndex = -1;
+    var propsLength = props.length;
+
+    while (++propsIndex < propsLength) {
+      var key = props[propsIndex];
+      var value = object[key];
+
+      if (value === undefined ||
+          (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+        object[key] = source[key];
+      }
+    }
+  }
+
+  return object;
+});
+
+module.exports = defaults;
diff --git a/web/public/node_modules/lodash/defaultsDeep.js b/web/public/node_modules/lodash/defaultsDeep.js
new file mode 100644
index 000000000..9b5fa3ee2
--- /dev/null
+++ b/web/public/node_modules/lodash/defaultsDeep.js
@@ -0,0 +1,30 @@
+var apply = require('./_apply'),
+    baseRest = require('./_baseRest'),
+    customDefaultsMerge = require('./_customDefaultsMerge'),
+    mergeWith = require('./mergeWith');
+
+/**
+ * This method is like `_.defaults` except that it recursively assigns
+ * default properties.
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.10.0
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} [sources] The source objects.
+ * @returns {Object} Returns `object`.
+ * @see _.defaults
+ * @example
+ *
+ * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
+ * // => { 'a': { 'b': 2, 'c': 3 } }
+ */
+var defaultsDeep = baseRest(function(args) {
+  args.push(undefined, customDefaultsMerge);
+  return apply(mergeWith, undefined, args);
+});
+
+module.exports = defaultsDeep;
diff --git a/web/public/node_modules/lodash/defer.js b/web/public/node_modules/lodash/defer.js
new file mode 100644
index 000000000..f6d6c6fa6
--- /dev/null
+++ b/web/public/node_modules/lodash/defer.js
@@ -0,0 +1,26 @@
+var baseDelay = require('./_baseDelay'),
+    baseRest = require('./_baseRest');
+
+/**
+ * Defers invoking the `func` until the current call stack has cleared. Any
+ * additional arguments are provided to `func` when it's invoked.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to defer.
+ * @param {...*} [args] The arguments to invoke `func` with.
+ * @returns {number} Returns the timer id.
+ * @example
+ *
+ * _.defer(function(text) {
+ *   console.log(text);
+ * }, 'deferred');
+ * // => Logs 'deferred' after one millisecond.
+ */
+var defer = baseRest(function(func, args) {
+  return baseDelay(func, 1, args);
+});
+
+module.exports = defer;
diff --git a/web/public/node_modules/lodash/delay.js b/web/public/node_modules/lodash/delay.js
new file mode 100644
index 000000000..bd554796f
--- /dev/null
+++ b/web/public/node_modules/lodash/delay.js
@@ -0,0 +1,28 @@
+var baseDelay = require('./_baseDelay'),
+    baseRest = require('./_baseRest'),
+    toNumber = require('./toNumber');
+
+/**
+ * Invokes `func` after `wait` milliseconds. Any additional arguments are
+ * provided to `func` when it's invoked.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to delay.
+ * @param {number} wait The number of milliseconds to delay invocation.
+ * @param {...*} [args] The arguments to invoke `func` with.
+ * @returns {number} Returns the timer id.
+ * @example
+ *
+ * _.delay(function(text) {
+ *   console.log(text);
+ * }, 1000, 'later');
+ * // => Logs 'later' after one second.
+ */
+var delay = baseRest(function(func, wait, args) {
+  return baseDelay(func, toNumber(wait) || 0, args);
+});
+
+module.exports = delay;
diff --git a/web/public/node_modules/lodash/difference.js b/web/public/node_modules/lodash/difference.js
new file mode 100644
index 000000000..fa28bb301
--- /dev/null
+++ b/web/public/node_modules/lodash/difference.js
@@ -0,0 +1,33 @@
+var baseDifference = require('./_baseDifference'),
+    baseFlatten = require('./_baseFlatten'),
+    baseRest = require('./_baseRest'),
+    isArrayLikeObject = require('./isArrayLikeObject');
+
+/**
+ * Creates an array of `array` values not included in the other given arrays
+ * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons. The order and references of result values are
+ * determined by the first array.
+ *
+ * **Note:** Unlike `_.pullAll`, this method returns a new array.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {...Array} [values] The values to exclude.
+ * @returns {Array} Returns the new array of filtered values.
+ * @see _.without, _.xor
+ * @example
+ *
+ * _.difference([2, 1], [2, 3]);
+ * // => [1]
+ */
+var difference = baseRest(function(array, values) {
+  return isArrayLikeObject(array)
+    ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
+    : [];
+});
+
+module.exports = difference;
diff --git a/web/public/node_modules/lodash/differenceBy.js b/web/public/node_modules/lodash/differenceBy.js
new file mode 100644
index 000000000..2cd63e7ec
--- /dev/null
+++ b/web/public/node_modules/lodash/differenceBy.js
@@ -0,0 +1,44 @@
+var baseDifference = require('./_baseDifference'),
+    baseFlatten = require('./_baseFlatten'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.difference` except that it accepts `iteratee` which
+ * is invoked for each element of `array` and `values` to generate the criterion
+ * by which they're compared. The order and references of result values are
+ * determined by the first array. The iteratee is invoked with one argument:
+ * (value).
+ *
+ * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {...Array} [values] The values to exclude.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Array} Returns the new array of filtered values.
+ * @example
+ *
+ * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+ * // => [1.2]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
+ * // => [{ 'x': 2 }]
+ */
+var differenceBy = baseRest(function(array, values) {
+  var iteratee = last(values);
+  if (isArrayLikeObject(iteratee)) {
+    iteratee = undefined;
+  }
+  return isArrayLikeObject(array)
+    ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), baseIteratee(iteratee, 2))
+    : [];
+});
+
+module.exports = differenceBy;
diff --git a/web/public/node_modules/lodash/differenceWith.js b/web/public/node_modules/lodash/differenceWith.js
new file mode 100644
index 000000000..c0233f4b9
--- /dev/null
+++ b/web/public/node_modules/lodash/differenceWith.js
@@ -0,0 +1,40 @@
+var baseDifference = require('./_baseDifference'),
+    baseFlatten = require('./_baseFlatten'),
+    baseRest = require('./_baseRest'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.difference` except that it accepts `comparator`
+ * which is invoked to compare elements of `array` to `values`. The order and
+ * references of result values are determined by the first array. The comparator
+ * is invoked with two arguments: (arrVal, othVal).
+ *
+ * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {...Array} [values] The values to exclude.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of filtered values.
+ * @example
+ *
+ * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+ *
+ * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
+ * // => [{ 'x': 2, 'y': 1 }]
+ */
+var differenceWith = baseRest(function(array, values) {
+  var comparator = last(values);
+  if (isArrayLikeObject(comparator)) {
+    comparator = undefined;
+  }
+  return isArrayLikeObject(array)
+    ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
+    : [];
+});
+
+module.exports = differenceWith;
diff --git a/web/public/node_modules/lodash/divide.js b/web/public/node_modules/lodash/divide.js
new file mode 100644
index 000000000..8cae0cd1b
--- /dev/null
+++ b/web/public/node_modules/lodash/divide.js
@@ -0,0 +1,22 @@
+var createMathOperation = require('./_createMathOperation');
+
+/**
+ * Divide two numbers.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.7.0
+ * @category Math
+ * @param {number} dividend The first number in a division.
+ * @param {number} divisor The second number in a division.
+ * @returns {number} Returns the quotient.
+ * @example
+ *
+ * _.divide(6, 4);
+ * // => 1.5
+ */
+var divide = createMathOperation(function(dividend, divisor) {
+  return dividend / divisor;
+}, 1);
+
+module.exports = divide;
diff --git a/web/public/node_modules/lodash/drop.js b/web/public/node_modules/lodash/drop.js
new file mode 100644
index 000000000..d5c3cbaa4
--- /dev/null
+++ b/web/public/node_modules/lodash/drop.js
@@ -0,0 +1,38 @@
+var baseSlice = require('./_baseSlice'),
+    toInteger = require('./toInteger');
+
+/**
+ * Creates a slice of `array` with `n` elements dropped from the beginning.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.5.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {number} [n=1] The number of elements to drop.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.drop([1, 2, 3]);
+ * // => [2, 3]
+ *
+ * _.drop([1, 2, 3], 2);
+ * // => [3]
+ *
+ * _.drop([1, 2, 3], 5);
+ * // => []
+ *
+ * _.drop([1, 2, 3], 0);
+ * // => [1, 2, 3]
+ */
+function drop(array, n, guard) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return [];
+  }
+  n = (guard || n === undefined) ? 1 : toInteger(n);
+  return baseSlice(array, n < 0 ? 0 : n, length);
+}
+
+module.exports = drop;
diff --git a/web/public/node_modules/lodash/dropRight.js b/web/public/node_modules/lodash/dropRight.js
new file mode 100644
index 000000000..441fe9968
--- /dev/null
+++ b/web/public/node_modules/lodash/dropRight.js
@@ -0,0 +1,39 @@
+var baseSlice = require('./_baseSlice'),
+    toInteger = require('./toInteger');
+
+/**
+ * Creates a slice of `array` with `n` elements dropped from the end.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {number} [n=1] The number of elements to drop.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.dropRight([1, 2, 3]);
+ * // => [1, 2]
+ *
+ * _.dropRight([1, 2, 3], 2);
+ * // => [1]
+ *
+ * _.dropRight([1, 2, 3], 5);
+ * // => []
+ *
+ * _.dropRight([1, 2, 3], 0);
+ * // => [1, 2, 3]
+ */
+function dropRight(array, n, guard) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return [];
+  }
+  n = (guard || n === undefined) ? 1 : toInteger(n);
+  n = length - n;
+  return baseSlice(array, 0, n < 0 ? 0 : n);
+}
+
+module.exports = dropRight;
diff --git a/web/public/node_modules/lodash/dropRightWhile.js b/web/public/node_modules/lodash/dropRightWhile.js
new file mode 100644
index 000000000..9ad36a044
--- /dev/null
+++ b/web/public/node_modules/lodash/dropRightWhile.js
@@ -0,0 +1,45 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseWhile = require('./_baseWhile');
+
+/**
+ * Creates a slice of `array` excluding elements dropped from the end.
+ * Elements are dropped until `predicate` returns falsey. The predicate is
+ * invoked with three arguments: (value, index, array).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'active': true },
+ *   { 'user': 'fred',    'active': false },
+ *   { 'user': 'pebbles', 'active': false }
+ * ];
+ *
+ * _.dropRightWhile(users, function(o) { return !o.active; });
+ * // => objects for ['barney']
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
+ * // => objects for ['barney', 'fred']
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.dropRightWhile(users, ['active', false]);
+ * // => objects for ['barney']
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.dropRightWhile(users, 'active');
+ * // => objects for ['barney', 'fred', 'pebbles']
+ */
+function dropRightWhile(array, predicate) {
+  return (array && array.length)
+    ? baseWhile(array, baseIteratee(predicate, 3), true, true)
+    : [];
+}
+
+module.exports = dropRightWhile;
diff --git a/web/public/node_modules/lodash/dropWhile.js b/web/public/node_modules/lodash/dropWhile.js
new file mode 100644
index 000000000..903ef568c
--- /dev/null
+++ b/web/public/node_modules/lodash/dropWhile.js
@@ -0,0 +1,45 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseWhile = require('./_baseWhile');
+
+/**
+ * Creates a slice of `array` excluding elements dropped from the beginning.
+ * Elements are dropped until `predicate` returns falsey. The predicate is
+ * invoked with three arguments: (value, index, array).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'active': false },
+ *   { 'user': 'fred',    'active': false },
+ *   { 'user': 'pebbles', 'active': true }
+ * ];
+ *
+ * _.dropWhile(users, function(o) { return !o.active; });
+ * // => objects for ['pebbles']
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.dropWhile(users, { 'user': 'barney', 'active': false });
+ * // => objects for ['fred', 'pebbles']
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.dropWhile(users, ['active', false]);
+ * // => objects for ['pebbles']
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.dropWhile(users, 'active');
+ * // => objects for ['barney', 'fred', 'pebbles']
+ */
+function dropWhile(array, predicate) {
+  return (array && array.length)
+    ? baseWhile(array, baseIteratee(predicate, 3), true)
+    : [];
+}
+
+module.exports = dropWhile;
diff --git a/web/public/node_modules/lodash/each.js b/web/public/node_modules/lodash/each.js
new file mode 100644
index 000000000..8800f4204
--- /dev/null
+++ b/web/public/node_modules/lodash/each.js
@@ -0,0 +1 @@
+module.exports = require('./forEach');
diff --git a/web/public/node_modules/lodash/eachRight.js b/web/public/node_modules/lodash/eachRight.js
new file mode 100644
index 000000000..3252b2aba
--- /dev/null
+++ b/web/public/node_modules/lodash/eachRight.js
@@ -0,0 +1 @@
+module.exports = require('./forEachRight');
diff --git a/web/public/node_modules/lodash/endsWith.js b/web/public/node_modules/lodash/endsWith.js
new file mode 100644
index 000000000..76fc866e3
--- /dev/null
+++ b/web/public/node_modules/lodash/endsWith.js
@@ -0,0 +1,43 @@
+var baseClamp = require('./_baseClamp'),
+    baseToString = require('./_baseToString'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/**
+ * Checks if `string` ends with the given target string.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to inspect.
+ * @param {string} [target] The string to search for.
+ * @param {number} [position=string.length] The position to search up to.
+ * @returns {boolean} Returns `true` if `string` ends with `target`,
+ *  else `false`.
+ * @example
+ *
+ * _.endsWith('abc', 'c');
+ * // => true
+ *
+ * _.endsWith('abc', 'b');
+ * // => false
+ *
+ * _.endsWith('abc', 'b', 2);
+ * // => true
+ */
+function endsWith(string, target, position) {
+  string = toString(string);
+  target = baseToString(target);
+
+  var length = string.length;
+  position = position === undefined
+    ? length
+    : baseClamp(toInteger(position), 0, length);
+
+  var end = position;
+  position -= target.length;
+  return position >= 0 && string.slice(position, end) == target;
+}
+
+module.exports = endsWith;
diff --git a/web/public/node_modules/lodash/entries.js b/web/public/node_modules/lodash/entries.js
new file mode 100644
index 000000000..7a88df204
--- /dev/null
+++ b/web/public/node_modules/lodash/entries.js
@@ -0,0 +1 @@
+module.exports = require('./toPairs');
diff --git a/web/public/node_modules/lodash/entriesIn.js b/web/public/node_modules/lodash/entriesIn.js
new file mode 100644
index 000000000..f6c6331c1
--- /dev/null
+++ b/web/public/node_modules/lodash/entriesIn.js
@@ -0,0 +1 @@
+module.exports = require('./toPairsIn');
diff --git a/web/public/node_modules/lodash/eq.js b/web/public/node_modules/lodash/eq.js
new file mode 100644
index 000000000..a94068805
--- /dev/null
+++ b/web/public/node_modules/lodash/eq.js
@@ -0,0 +1,37 @@
+/**
+ * Performs a
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * comparison between two values to determine if they are equivalent.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+ * @example
+ *
+ * var object = { 'a': 1 };
+ * var other = { 'a': 1 };
+ *
+ * _.eq(object, object);
+ * // => true
+ *
+ * _.eq(object, other);
+ * // => false
+ *
+ * _.eq('a', 'a');
+ * // => true
+ *
+ * _.eq('a', Object('a'));
+ * // => false
+ *
+ * _.eq(NaN, NaN);
+ * // => true
+ */
+function eq(value, other) {
+  return value === other || (value !== value && other !== other);
+}
+
+module.exports = eq;
diff --git a/web/public/node_modules/lodash/escape.js b/web/public/node_modules/lodash/escape.js
new file mode 100644
index 000000000..9247e0029
--- /dev/null
+++ b/web/public/node_modules/lodash/escape.js
@@ -0,0 +1,43 @@
+var escapeHtmlChar = require('./_escapeHtmlChar'),
+    toString = require('./toString');
+
+/** Used to match HTML entities and HTML characters. */
+var reUnescapedHtml = /[&<>"']/g,
+    reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+
+/**
+ * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
+ * corresponding HTML entities.
+ *
+ * **Note:** No other characters are escaped. To escape additional
+ * characters use a third-party library like [_he_](https://mths.be/he).
+ *
+ * Though the ">" character is escaped for symmetry, characters like
+ * ">" and "/" don't need escaping in HTML and have no special meaning
+ * unless they're part of a tag or unquoted attribute value. See
+ * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+ * (under "semi-related fun fact") for more details.
+ *
+ * When working with HTML you should always
+ * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
+ * XSS vectors.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category String
+ * @param {string} [string=''] The string to escape.
+ * @returns {string} Returns the escaped string.
+ * @example
+ *
+ * _.escape('fred, barney, & pebbles');
+ * // => 'fred, barney, &amp; pebbles'
+ */
+function escape(string) {
+  string = toString(string);
+  return (string && reHasUnescapedHtml.test(string))
+    ? string.replace(reUnescapedHtml, escapeHtmlChar)
+    : string;
+}
+
+module.exports = escape;
diff --git a/web/public/node_modules/lodash/escapeRegExp.js b/web/public/node_modules/lodash/escapeRegExp.js
new file mode 100644
index 000000000..0a58c69fc
--- /dev/null
+++ b/web/public/node_modules/lodash/escapeRegExp.js
@@ -0,0 +1,32 @@
+var toString = require('./toString');
+
+/**
+ * Used to match `RegExp`
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+ */
+var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
+    reHasRegExpChar = RegExp(reRegExpChar.source);
+
+/**
+ * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
+ * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to escape.
+ * @returns {string} Returns the escaped string.
+ * @example
+ *
+ * _.escapeRegExp('[lodash](https://lodash.com/)');
+ * // => '\[lodash\]\(https://lodash\.com/\)'
+ */
+function escapeRegExp(string) {
+  string = toString(string);
+  return (string && reHasRegExpChar.test(string))
+    ? string.replace(reRegExpChar, '\\$&')
+    : string;
+}
+
+module.exports = escapeRegExp;
diff --git a/web/public/node_modules/lodash/every.js b/web/public/node_modules/lodash/every.js
new file mode 100644
index 000000000..25080dac4
--- /dev/null
+++ b/web/public/node_modules/lodash/every.js
@@ -0,0 +1,56 @@
+var arrayEvery = require('./_arrayEvery'),
+    baseEvery = require('./_baseEvery'),
+    baseIteratee = require('./_baseIteratee'),
+    isArray = require('./isArray'),
+    isIterateeCall = require('./_isIterateeCall');
+
+/**
+ * Checks if `predicate` returns truthy for **all** elements of `collection`.
+ * Iteration is stopped once `predicate` returns falsey. The predicate is
+ * invoked with three arguments: (value, index|key, collection).
+ *
+ * **Note:** This method returns `true` for
+ * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
+ * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
+ * elements of empty collections.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {boolean} Returns `true` if all elements pass the predicate check,
+ *  else `false`.
+ * @example
+ *
+ * _.every([true, 1, null, 'yes'], Boolean);
+ * // => false
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36, 'active': false },
+ *   { 'user': 'fred',   'age': 40, 'active': false }
+ * ];
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.every(users, { 'user': 'barney', 'active': false });
+ * // => false
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.every(users, ['active', false]);
+ * // => true
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.every(users, 'active');
+ * // => false
+ */
+function every(collection, predicate, guard) {
+  var func = isArray(collection) ? arrayEvery : baseEvery;
+  if (guard && isIterateeCall(collection, predicate, guard)) {
+    predicate = undefined;
+  }
+  return func(collection, baseIteratee(predicate, 3));
+}
+
+module.exports = every;
diff --git a/web/public/node_modules/lodash/extend.js b/web/public/node_modules/lodash/extend.js
new file mode 100644
index 000000000..e00166c20
--- /dev/null
+++ b/web/public/node_modules/lodash/extend.js
@@ -0,0 +1 @@
+module.exports = require('./assignIn');
diff --git a/web/public/node_modules/lodash/extendWith.js b/web/public/node_modules/lodash/extendWith.js
new file mode 100644
index 000000000..dbdcb3b4e
--- /dev/null
+++ b/web/public/node_modules/lodash/extendWith.js
@@ -0,0 +1 @@
+module.exports = require('./assignInWith');
diff --git a/web/public/node_modules/lodash/fill.js b/web/public/node_modules/lodash/fill.js
new file mode 100644
index 000000000..ae13aa1c9
--- /dev/null
+++ b/web/public/node_modules/lodash/fill.js
@@ -0,0 +1,45 @@
+var baseFill = require('./_baseFill'),
+    isIterateeCall = require('./_isIterateeCall');
+
+/**
+ * Fills elements of `array` with `value` from `start` up to, but not
+ * including, `end`.
+ *
+ * **Note:** This method mutates `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.2.0
+ * @category Array
+ * @param {Array} array The array to fill.
+ * @param {*} value The value to fill `array` with.
+ * @param {number} [start=0] The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns `array`.
+ * @example
+ *
+ * var array = [1, 2, 3];
+ *
+ * _.fill(array, 'a');
+ * console.log(array);
+ * // => ['a', 'a', 'a']
+ *
+ * _.fill(Array(3), 2);
+ * // => [2, 2, 2]
+ *
+ * _.fill([4, 6, 8, 10], '*', 1, 3);
+ * // => [4, '*', '*', 10]
+ */
+function fill(array, value, start, end) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return [];
+  }
+  if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
+    start = 0;
+    end = length;
+  }
+  return baseFill(array, value, start, end);
+}
+
+module.exports = fill;
diff --git a/web/public/node_modules/lodash/filter.js b/web/public/node_modules/lodash/filter.js
new file mode 100644
index 000000000..89e0c8c48
--- /dev/null
+++ b/web/public/node_modules/lodash/filter.js
@@ -0,0 +1,52 @@
+var arrayFilter = require('./_arrayFilter'),
+    baseFilter = require('./_baseFilter'),
+    baseIteratee = require('./_baseIteratee'),
+    isArray = require('./isArray');
+
+/**
+ * Iterates over elements of `collection`, returning an array of all elements
+ * `predicate` returns truthy for. The predicate is invoked with three
+ * arguments: (value, index|key, collection).
+ *
+ * **Note:** Unlike `_.remove`, this method returns a new array.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the new filtered array.
+ * @see _.reject
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36, 'active': true },
+ *   { 'user': 'fred',   'age': 40, 'active': false }
+ * ];
+ *
+ * _.filter(users, function(o) { return !o.active; });
+ * // => objects for ['fred']
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.filter(users, { 'age': 36, 'active': true });
+ * // => objects for ['barney']
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.filter(users, ['active', false]);
+ * // => objects for ['fred']
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.filter(users, 'active');
+ * // => objects for ['barney']
+ *
+ * // Combining several predicates using `_.overEvery` or `_.overSome`.
+ * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
+ * // => objects for ['fred', 'barney']
+ */
+function filter(collection, predicate) {
+  var func = isArray(collection) ? arrayFilter : baseFilter;
+  return func(collection, baseIteratee(predicate, 3));
+}
+
+module.exports = filter;
diff --git a/web/public/node_modules/lodash/find.js b/web/public/node_modules/lodash/find.js
new file mode 100644
index 000000000..de732ccb4
--- /dev/null
+++ b/web/public/node_modules/lodash/find.js
@@ -0,0 +1,42 @@
+var createFind = require('./_createFind'),
+    findIndex = require('./findIndex');
+
+/**
+ * Iterates over elements of `collection`, returning the first element
+ * `predicate` returns truthy for. The predicate is invoked with three
+ * arguments: (value, index|key, collection).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to inspect.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @param {number} [fromIndex=0] The index to search from.
+ * @returns {*} Returns the matched element, else `undefined`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'age': 36, 'active': true },
+ *   { 'user': 'fred',    'age': 40, 'active': false },
+ *   { 'user': 'pebbles', 'age': 1,  'active': true }
+ * ];
+ *
+ * _.find(users, function(o) { return o.age < 40; });
+ * // => object for 'barney'
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.find(users, { 'age': 1, 'active': true });
+ * // => object for 'pebbles'
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.find(users, ['active', false]);
+ * // => object for 'fred'
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.find(users, 'active');
+ * // => object for 'barney'
+ */
+var find = createFind(findIndex);
+
+module.exports = find;
diff --git a/web/public/node_modules/lodash/findIndex.js b/web/public/node_modules/lodash/findIndex.js
new file mode 100644
index 000000000..4689069f8
--- /dev/null
+++ b/web/public/node_modules/lodash/findIndex.js
@@ -0,0 +1,55 @@
+var baseFindIndex = require('./_baseFindIndex'),
+    baseIteratee = require('./_baseIteratee'),
+    toInteger = require('./toInteger');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * This method is like `_.find` except that it returns the index of the first
+ * element `predicate` returns truthy for instead of the element itself.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.1.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @param {number} [fromIndex=0] The index to search from.
+ * @returns {number} Returns the index of the found element, else `-1`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'active': false },
+ *   { 'user': 'fred',    'active': false },
+ *   { 'user': 'pebbles', 'active': true }
+ * ];
+ *
+ * _.findIndex(users, function(o) { return o.user == 'barney'; });
+ * // => 0
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.findIndex(users, { 'user': 'fred', 'active': false });
+ * // => 1
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.findIndex(users, ['active', false]);
+ * // => 0
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.findIndex(users, 'active');
+ * // => 2
+ */
+function findIndex(array, predicate, fromIndex) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return -1;
+  }
+  var index = fromIndex == null ? 0 : toInteger(fromIndex);
+  if (index < 0) {
+    index = nativeMax(length + index, 0);
+  }
+  return baseFindIndex(array, baseIteratee(predicate, 3), index);
+}
+
+module.exports = findIndex;
diff --git a/web/public/node_modules/lodash/findKey.js b/web/public/node_modules/lodash/findKey.js
new file mode 100644
index 000000000..cac0248a9
--- /dev/null
+++ b/web/public/node_modules/lodash/findKey.js
@@ -0,0 +1,44 @@
+var baseFindKey = require('./_baseFindKey'),
+    baseForOwn = require('./_baseForOwn'),
+    baseIteratee = require('./_baseIteratee');
+
+/**
+ * This method is like `_.find` except that it returns the key of the first
+ * element `predicate` returns truthy for instead of the element itself.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.1.0
+ * @category Object
+ * @param {Object} object The object to inspect.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {string|undefined} Returns the key of the matched element,
+ *  else `undefined`.
+ * @example
+ *
+ * var users = {
+ *   'barney':  { 'age': 36, 'active': true },
+ *   'fred':    { 'age': 40, 'active': false },
+ *   'pebbles': { 'age': 1,  'active': true }
+ * };
+ *
+ * _.findKey(users, function(o) { return o.age < 40; });
+ * // => 'barney' (iteration order is not guaranteed)
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.findKey(users, { 'age': 1, 'active': true });
+ * // => 'pebbles'
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.findKey(users, ['active', false]);
+ * // => 'fred'
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.findKey(users, 'active');
+ * // => 'barney'
+ */
+function findKey(object, predicate) {
+  return baseFindKey(object, baseIteratee(predicate, 3), baseForOwn);
+}
+
+module.exports = findKey;
diff --git a/web/public/node_modules/lodash/findLast.js b/web/public/node_modules/lodash/findLast.js
new file mode 100644
index 000000000..70b4271dc
--- /dev/null
+++ b/web/public/node_modules/lodash/findLast.js
@@ -0,0 +1,25 @@
+var createFind = require('./_createFind'),
+    findLastIndex = require('./findLastIndex');
+
+/**
+ * This method is like `_.find` except that it iterates over elements of
+ * `collection` from right to left.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to inspect.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @param {number} [fromIndex=collection.length-1] The index to search from.
+ * @returns {*} Returns the matched element, else `undefined`.
+ * @example
+ *
+ * _.findLast([1, 2, 3, 4], function(n) {
+ *   return n % 2 == 1;
+ * });
+ * // => 3
+ */
+var findLast = createFind(findLastIndex);
+
+module.exports = findLast;
diff --git a/web/public/node_modules/lodash/findLastIndex.js b/web/public/node_modules/lodash/findLastIndex.js
new file mode 100644
index 000000000..7da3431f6
--- /dev/null
+++ b/web/public/node_modules/lodash/findLastIndex.js
@@ -0,0 +1,59 @@
+var baseFindIndex = require('./_baseFindIndex'),
+    baseIteratee = require('./_baseIteratee'),
+    toInteger = require('./toInteger');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max,
+    nativeMin = Math.min;
+
+/**
+ * This method is like `_.findIndex` except that it iterates over elements
+ * of `collection` from right to left.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @param {number} [fromIndex=array.length-1] The index to search from.
+ * @returns {number} Returns the index of the found element, else `-1`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'active': true },
+ *   { 'user': 'fred',    'active': false },
+ *   { 'user': 'pebbles', 'active': false }
+ * ];
+ *
+ * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
+ * // => 2
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.findLastIndex(users, { 'user': 'barney', 'active': true });
+ * // => 0
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.findLastIndex(users, ['active', false]);
+ * // => 2
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.findLastIndex(users, 'active');
+ * // => 0
+ */
+function findLastIndex(array, predicate, fromIndex) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return -1;
+  }
+  var index = length - 1;
+  if (fromIndex !== undefined) {
+    index = toInteger(fromIndex);
+    index = fromIndex < 0
+      ? nativeMax(length + index, 0)
+      : nativeMin(index, length - 1);
+  }
+  return baseFindIndex(array, baseIteratee(predicate, 3), index, true);
+}
+
+module.exports = findLastIndex;
diff --git a/web/public/node_modules/lodash/findLastKey.js b/web/public/node_modules/lodash/findLastKey.js
new file mode 100644
index 000000000..66fb9fbce
--- /dev/null
+++ b/web/public/node_modules/lodash/findLastKey.js
@@ -0,0 +1,44 @@
+var baseFindKey = require('./_baseFindKey'),
+    baseForOwnRight = require('./_baseForOwnRight'),
+    baseIteratee = require('./_baseIteratee');
+
+/**
+ * This method is like `_.findKey` except that it iterates over elements of
+ * a collection in the opposite order.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Object
+ * @param {Object} object The object to inspect.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {string|undefined} Returns the key of the matched element,
+ *  else `undefined`.
+ * @example
+ *
+ * var users = {
+ *   'barney':  { 'age': 36, 'active': true },
+ *   'fred':    { 'age': 40, 'active': false },
+ *   'pebbles': { 'age': 1,  'active': true }
+ * };
+ *
+ * _.findLastKey(users, function(o) { return o.age < 40; });
+ * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.findLastKey(users, { 'age': 36, 'active': true });
+ * // => 'barney'
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.findLastKey(users, ['active', false]);
+ * // => 'fred'
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.findLastKey(users, 'active');
+ * // => 'pebbles'
+ */
+function findLastKey(object, predicate) {
+  return baseFindKey(object, baseIteratee(predicate, 3), baseForOwnRight);
+}
+
+module.exports = findLastKey;
diff --git a/web/public/node_modules/lodash/first.js b/web/public/node_modules/lodash/first.js
new file mode 100644
index 000000000..53f4ad13e
--- /dev/null
+++ b/web/public/node_modules/lodash/first.js
@@ -0,0 +1 @@
+module.exports = require('./head');
diff --git a/web/public/node_modules/lodash/flake.lock b/web/public/node_modules/lodash/flake.lock
new file mode 100644
index 000000000..dd0325218
--- /dev/null
+++ b/web/public/node_modules/lodash/flake.lock
@@ -0,0 +1,40 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1613582597,
+        "narHash": "sha256-6LvipIvFuhyorHpUqK3HjySC5Y6gshXHFBhU9EJ4DoM=",
+        "path": "/nix/store/srvplqq673sqd9vyfhyc5w1p88y1gfm4-source",
+        "rev": "6b1057b452c55bb3b463f0d7055bc4ec3fd1f381",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1610051610,
+        "narHash": "sha256-U9rPz/usA1/Aohhk7Cmc2gBrEEKRzcW4nwPWMPwja4Y=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3982c9903e93927c2164caa727cd3f6a0e6d14cc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/web/public/node_modules/lodash/flake.nix b/web/public/node_modules/lodash/flake.nix
new file mode 100644
index 000000000..15a451c6f
--- /dev/null
+++ b/web/public/node_modules/lodash/flake.nix
@@ -0,0 +1,20 @@
+{
+  inputs = {
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, utils }:
+    utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages."${system}";
+      in rec {
+       devShell = pkgs.mkShell {
+          nativeBuildInputs = with pkgs; [
+            yarn
+            nodejs-14_x
+            nodePackages.typescript-language-server
+            nodePackages.eslint
+          ];
+        };
+      });
+}
diff --git a/web/public/node_modules/lodash/flatMap.js b/web/public/node_modules/lodash/flatMap.js
new file mode 100644
index 000000000..e6685068f
--- /dev/null
+++ b/web/public/node_modules/lodash/flatMap.js
@@ -0,0 +1,29 @@
+var baseFlatten = require('./_baseFlatten'),
+    map = require('./map');
+
+/**
+ * Creates a flattened array of values by running each element in `collection`
+ * thru `iteratee` and flattening the mapped results. The iteratee is invoked
+ * with three arguments: (value, index|key, collection).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * function duplicate(n) {
+ *   return [n, n];
+ * }
+ *
+ * _.flatMap([1, 2], duplicate);
+ * // => [1, 1, 2, 2]
+ */
+function flatMap(collection, iteratee) {
+  return baseFlatten(map(collection, iteratee), 1);
+}
+
+module.exports = flatMap;
diff --git a/web/public/node_modules/lodash/flatMapDeep.js b/web/public/node_modules/lodash/flatMapDeep.js
new file mode 100644
index 000000000..4653d6033
--- /dev/null
+++ b/web/public/node_modules/lodash/flatMapDeep.js
@@ -0,0 +1,31 @@
+var baseFlatten = require('./_baseFlatten'),
+    map = require('./map');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/**
+ * This method is like `_.flatMap` except that it recursively flattens the
+ * mapped results.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.7.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * function duplicate(n) {
+ *   return [[[n, n]]];
+ * }
+ *
+ * _.flatMapDeep([1, 2], duplicate);
+ * // => [1, 1, 2, 2]
+ */
+function flatMapDeep(collection, iteratee) {
+  return baseFlatten(map(collection, iteratee), INFINITY);
+}
+
+module.exports = flatMapDeep;
diff --git a/web/public/node_modules/lodash/flatMapDepth.js b/web/public/node_modules/lodash/flatMapDepth.js
new file mode 100644
index 000000000..6d72005c9
--- /dev/null
+++ b/web/public/node_modules/lodash/flatMapDepth.js
@@ -0,0 +1,31 @@
+var baseFlatten = require('./_baseFlatten'),
+    map = require('./map'),
+    toInteger = require('./toInteger');
+
+/**
+ * This method is like `_.flatMap` except that it recursively flattens the
+ * mapped results up to `depth` times.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.7.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @param {number} [depth=1] The maximum recursion depth.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * function duplicate(n) {
+ *   return [[[n, n]]];
+ * }
+ *
+ * _.flatMapDepth([1, 2], duplicate, 2);
+ * // => [[1, 1], [2, 2]]
+ */
+function flatMapDepth(collection, iteratee, depth) {
+  depth = depth === undefined ? 1 : toInteger(depth);
+  return baseFlatten(map(collection, iteratee), depth);
+}
+
+module.exports = flatMapDepth;
diff --git a/web/public/node_modules/lodash/flatten.js b/web/public/node_modules/lodash/flatten.js
new file mode 100644
index 000000000..3f09f7f77
--- /dev/null
+++ b/web/public/node_modules/lodash/flatten.js
@@ -0,0 +1,22 @@
+var baseFlatten = require('./_baseFlatten');
+
+/**
+ * Flattens `array` a single level deep.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to flatten.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * _.flatten([1, [2, [3, [4]], 5]]);
+ * // => [1, 2, [3, [4]], 5]
+ */
+function flatten(array) {
+  var length = array == null ? 0 : array.length;
+  return length ? baseFlatten(array, 1) : [];
+}
+
+module.exports = flatten;
diff --git a/web/public/node_modules/lodash/flattenDeep.js b/web/public/node_modules/lodash/flattenDeep.js
new file mode 100644
index 000000000..8ad585cf4
--- /dev/null
+++ b/web/public/node_modules/lodash/flattenDeep.js
@@ -0,0 +1,25 @@
+var baseFlatten = require('./_baseFlatten');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/**
+ * Recursively flattens `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to flatten.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * _.flattenDeep([1, [2, [3, [4]], 5]]);
+ * // => [1, 2, 3, 4, 5]
+ */
+function flattenDeep(array) {
+  var length = array == null ? 0 : array.length;
+  return length ? baseFlatten(array, INFINITY) : [];
+}
+
+module.exports = flattenDeep;
diff --git a/web/public/node_modules/lodash/flattenDepth.js b/web/public/node_modules/lodash/flattenDepth.js
new file mode 100644
index 000000000..441fdcc22
--- /dev/null
+++ b/web/public/node_modules/lodash/flattenDepth.js
@@ -0,0 +1,33 @@
+var baseFlatten = require('./_baseFlatten'),
+    toInteger = require('./toInteger');
+
+/**
+ * Recursively flatten `array` up to `depth` times.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.4.0
+ * @category Array
+ * @param {Array} array The array to flatten.
+ * @param {number} [depth=1] The maximum recursion depth.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * var array = [1, [2, [3, [4]], 5]];
+ *
+ * _.flattenDepth(array, 1);
+ * // => [1, 2, [3, [4]], 5]
+ *
+ * _.flattenDepth(array, 2);
+ * // => [1, 2, 3, [4], 5]
+ */
+function flattenDepth(array, depth) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return [];
+  }
+  depth = depth === undefined ? 1 : toInteger(depth);
+  return baseFlatten(array, depth);
+}
+
+module.exports = flattenDepth;
diff --git a/web/public/node_modules/lodash/flip.js b/web/public/node_modules/lodash/flip.js
new file mode 100644
index 000000000..c28dd7896
--- /dev/null
+++ b/web/public/node_modules/lodash/flip.js
@@ -0,0 +1,28 @@
+var createWrap = require('./_createWrap');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_FLIP_FLAG = 512;
+
+/**
+ * Creates a function that invokes `func` with arguments reversed.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Function
+ * @param {Function} func The function to flip arguments for.
+ * @returns {Function} Returns the new flipped function.
+ * @example
+ *
+ * var flipped = _.flip(function() {
+ *   return _.toArray(arguments);
+ * });
+ *
+ * flipped('a', 'b', 'c', 'd');
+ * // => ['d', 'c', 'b', 'a']
+ */
+function flip(func) {
+  return createWrap(func, WRAP_FLIP_FLAG);
+}
+
+module.exports = flip;
diff --git a/web/public/node_modules/lodash/floor.js b/web/public/node_modules/lodash/floor.js
new file mode 100644
index 000000000..ab6dfa28a
--- /dev/null
+++ b/web/public/node_modules/lodash/floor.js
@@ -0,0 +1,26 @@
+var createRound = require('./_createRound');
+
+/**
+ * Computes `number` rounded down to `precision`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.10.0
+ * @category Math
+ * @param {number} number The number to round down.
+ * @param {number} [precision=0] The precision to round down to.
+ * @returns {number} Returns the rounded down number.
+ * @example
+ *
+ * _.floor(4.006);
+ * // => 4
+ *
+ * _.floor(0.046, 2);
+ * // => 0.04
+ *
+ * _.floor(4060, -2);
+ * // => 4000
+ */
+var floor = createRound('floor');
+
+module.exports = floor;
diff --git a/web/public/node_modules/lodash/flow.js b/web/public/node_modules/lodash/flow.js
new file mode 100644
index 000000000..74b6b62d4
--- /dev/null
+++ b/web/public/node_modules/lodash/flow.js
@@ -0,0 +1,27 @@
+var createFlow = require('./_createFlow');
+
+/**
+ * Creates a function that returns the result of invoking the given functions
+ * with the `this` binding of the created function, where each successive
+ * invocation is supplied the return value of the previous.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Util
+ * @param {...(Function|Function[])} [funcs] The functions to invoke.
+ * @returns {Function} Returns the new composite function.
+ * @see _.flowRight
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var addSquare = _.flow([_.add, square]);
+ * addSquare(1, 2);
+ * // => 9
+ */
+var flow = createFlow();
+
+module.exports = flow;
diff --git a/web/public/node_modules/lodash/flowRight.js b/web/public/node_modules/lodash/flowRight.js
new file mode 100644
index 000000000..114614105
--- /dev/null
+++ b/web/public/node_modules/lodash/flowRight.js
@@ -0,0 +1,26 @@
+var createFlow = require('./_createFlow');
+
+/**
+ * This method is like `_.flow` except that it creates a function that
+ * invokes the given functions from right to left.
+ *
+ * @static
+ * @since 3.0.0
+ * @memberOf _
+ * @category Util
+ * @param {...(Function|Function[])} [funcs] The functions to invoke.
+ * @returns {Function} Returns the new composite function.
+ * @see _.flow
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var addSquare = _.flowRight([square, _.add]);
+ * addSquare(1, 2);
+ * // => 9
+ */
+var flowRight = createFlow(true);
+
+module.exports = flowRight;
diff --git a/web/public/node_modules/lodash/forEach.js b/web/public/node_modules/lodash/forEach.js
new file mode 100644
index 000000000..c64eaa73f
--- /dev/null
+++ b/web/public/node_modules/lodash/forEach.js
@@ -0,0 +1,41 @@
+var arrayEach = require('./_arrayEach'),
+    baseEach = require('./_baseEach'),
+    castFunction = require('./_castFunction'),
+    isArray = require('./isArray');
+
+/**
+ * Iterates over elements of `collection` and invokes `iteratee` for each element.
+ * The iteratee is invoked with three arguments: (value, index|key, collection).
+ * Iteratee functions may exit iteration early by explicitly returning `false`.
+ *
+ * **Note:** As with other "Collections" methods, objects with a "length"
+ * property are iterated like arrays. To avoid this behavior use `_.forIn`
+ * or `_.forOwn` for object iteration.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @alias each
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Array|Object} Returns `collection`.
+ * @see _.forEachRight
+ * @example
+ *
+ * _.forEach([1, 2], function(value) {
+ *   console.log(value);
+ * });
+ * // => Logs `1` then `2`.
+ *
+ * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
+ *   console.log(key);
+ * });
+ * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+ */
+function forEach(collection, iteratee) {
+  var func = isArray(collection) ? arrayEach : baseEach;
+  return func(collection, castFunction(iteratee));
+}
+
+module.exports = forEach;
diff --git a/web/public/node_modules/lodash/forEachRight.js b/web/public/node_modules/lodash/forEachRight.js
new file mode 100644
index 000000000..7390ebaf8
--- /dev/null
+++ b/web/public/node_modules/lodash/forEachRight.js
@@ -0,0 +1,31 @@
+var arrayEachRight = require('./_arrayEachRight'),
+    baseEachRight = require('./_baseEachRight'),
+    castFunction = require('./_castFunction'),
+    isArray = require('./isArray');
+
+/**
+ * This method is like `_.forEach` except that it iterates over elements of
+ * `collection` from right to left.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @alias eachRight
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Array|Object} Returns `collection`.
+ * @see _.forEach
+ * @example
+ *
+ * _.forEachRight([1, 2], function(value) {
+ *   console.log(value);
+ * });
+ * // => Logs `2` then `1`.
+ */
+function forEachRight(collection, iteratee) {
+  var func = isArray(collection) ? arrayEachRight : baseEachRight;
+  return func(collection, castFunction(iteratee));
+}
+
+module.exports = forEachRight;
diff --git a/web/public/node_modules/lodash/forIn.js b/web/public/node_modules/lodash/forIn.js
new file mode 100644
index 000000000..583a59638
--- /dev/null
+++ b/web/public/node_modules/lodash/forIn.js
@@ -0,0 +1,39 @@
+var baseFor = require('./_baseFor'),
+    castFunction = require('./_castFunction'),
+    keysIn = require('./keysIn');
+
+/**
+ * Iterates over own and inherited enumerable string keyed properties of an
+ * object and invokes `iteratee` for each property. The iteratee is invoked
+ * with three arguments: (value, key, object). Iteratee functions may exit
+ * iteration early by explicitly returning `false`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.3.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ * @see _.forInRight
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.forIn(new Foo, function(value, key) {
+ *   console.log(key);
+ * });
+ * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
+ */
+function forIn(object, iteratee) {
+  return object == null
+    ? object
+    : baseFor(object, castFunction(iteratee), keysIn);
+}
+
+module.exports = forIn;
diff --git a/web/public/node_modules/lodash/forInRight.js b/web/public/node_modules/lodash/forInRight.js
new file mode 100644
index 000000000..4aedf58af
--- /dev/null
+++ b/web/public/node_modules/lodash/forInRight.js
@@ -0,0 +1,37 @@
+var baseForRight = require('./_baseForRight'),
+    castFunction = require('./_castFunction'),
+    keysIn = require('./keysIn');
+
+/**
+ * This method is like `_.forIn` except that it iterates over properties of
+ * `object` in the opposite order.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ * @see _.forIn
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.forInRight(new Foo, function(value, key) {
+ *   console.log(key);
+ * });
+ * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
+ */
+function forInRight(object, iteratee) {
+  return object == null
+    ? object
+    : baseForRight(object, castFunction(iteratee), keysIn);
+}
+
+module.exports = forInRight;
diff --git a/web/public/node_modules/lodash/forOwn.js b/web/public/node_modules/lodash/forOwn.js
new file mode 100644
index 000000000..94eed8402
--- /dev/null
+++ b/web/public/node_modules/lodash/forOwn.js
@@ -0,0 +1,36 @@
+var baseForOwn = require('./_baseForOwn'),
+    castFunction = require('./_castFunction');
+
+/**
+ * Iterates over own enumerable string keyed properties of an object and
+ * invokes `iteratee` for each property. The iteratee is invoked with three
+ * arguments: (value, key, object). Iteratee functions may exit iteration
+ * early by explicitly returning `false`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.3.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ * @see _.forOwnRight
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.forOwn(new Foo, function(value, key) {
+ *   console.log(key);
+ * });
+ * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+ */
+function forOwn(object, iteratee) {
+  return object && baseForOwn(object, castFunction(iteratee));
+}
+
+module.exports = forOwn;
diff --git a/web/public/node_modules/lodash/forOwnRight.js b/web/public/node_modules/lodash/forOwnRight.js
new file mode 100644
index 000000000..86f338f03
--- /dev/null
+++ b/web/public/node_modules/lodash/forOwnRight.js
@@ -0,0 +1,34 @@
+var baseForOwnRight = require('./_baseForOwnRight'),
+    castFunction = require('./_castFunction');
+
+/**
+ * This method is like `_.forOwn` except that it iterates over properties of
+ * `object` in the opposite order.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ * @see _.forOwn
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.forOwnRight(new Foo, function(value, key) {
+ *   console.log(key);
+ * });
+ * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
+ */
+function forOwnRight(object, iteratee) {
+  return object && baseForOwnRight(object, castFunction(iteratee));
+}
+
+module.exports = forOwnRight;
diff --git a/web/public/node_modules/lodash/fp.js b/web/public/node_modules/lodash/fp.js
new file mode 100644
index 000000000..e372dbbdf
--- /dev/null
+++ b/web/public/node_modules/lodash/fp.js
@@ -0,0 +1,2 @@
+var _ = require('./lodash.min').runInContext();
+module.exports = require('./fp/_baseConvert')(_, _);
diff --git a/web/public/node_modules/lodash/fp/F.js b/web/public/node_modules/lodash/fp/F.js
new file mode 100644
index 000000000..a05a63ad9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/F.js
@@ -0,0 +1 @@
+module.exports = require('./stubFalse');
diff --git a/web/public/node_modules/lodash/fp/T.js b/web/public/node_modules/lodash/fp/T.js
new file mode 100644
index 000000000..e2ba8ea56
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/T.js
@@ -0,0 +1 @@
+module.exports = require('./stubTrue');
diff --git a/web/public/node_modules/lodash/fp/__.js b/web/public/node_modules/lodash/fp/__.js
new file mode 100644
index 000000000..4af98deb4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/__.js
@@ -0,0 +1 @@
+module.exports = require('./placeholder');
diff --git a/web/public/node_modules/lodash/fp/_baseConvert.js b/web/public/node_modules/lodash/fp/_baseConvert.js
new file mode 100644
index 000000000..9baf8e190
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/_baseConvert.js
@@ -0,0 +1,569 @@
+var mapping = require('./_mapping'),
+    fallbackHolder = require('./placeholder');
+
+/** Built-in value reference. */
+var push = Array.prototype.push;
+
+/**
+ * Creates a function, with an arity of `n`, that invokes `func` with the
+ * arguments it receives.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} n The arity of the new function.
+ * @returns {Function} Returns the new function.
+ */
+function baseArity(func, n) {
+  return n == 2
+    ? function(a, b) { return func.apply(undefined, arguments); }
+    : function(a) { return func.apply(undefined, arguments); };
+}
+
+/**
+ * Creates a function that invokes `func`, with up to `n` arguments, ignoring
+ * any additional arguments.
+ *
+ * @private
+ * @param {Function} func The function to cap arguments for.
+ * @param {number} n The arity cap.
+ * @returns {Function} Returns the new function.
+ */
+function baseAry(func, n) {
+  return n == 2
+    ? function(a, b) { return func(a, b); }
+    : function(a) { return func(a); };
+}
+
+/**
+ * Creates a clone of `array`.
+ *
+ * @private
+ * @param {Array} array The array to clone.
+ * @returns {Array} Returns the cloned array.
+ */
+function cloneArray(array) {
+  var length = array ? array.length : 0,
+      result = Array(length);
+
+  while (length--) {
+    result[length] = array[length];
+  }
+  return result;
+}
+
+/**
+ * Creates a function that clones a given object using the assignment `func`.
+ *
+ * @private
+ * @param {Function} func The assignment function.
+ * @returns {Function} Returns the new cloner function.
+ */
+function createCloner(func) {
+  return function(object) {
+    return func({}, object);
+  };
+}
+
+/**
+ * A specialized version of `_.spread` which flattens the spread array into
+ * the arguments of the invoked `func`.
+ *
+ * @private
+ * @param {Function} func The function to spread arguments over.
+ * @param {number} start The start position of the spread.
+ * @returns {Function} Returns the new function.
+ */
+function flatSpread(func, start) {
+  return function() {
+    var length = arguments.length,
+        lastIndex = length - 1,
+        args = Array(length);
+
+    while (length--) {
+      args[length] = arguments[length];
+    }
+    var array = args[start],
+        otherArgs = args.slice(0, start);
+
+    if (array) {
+      push.apply(otherArgs, array);
+    }
+    if (start != lastIndex) {
+      push.apply(otherArgs, args.slice(start + 1));
+    }
+    return func.apply(this, otherArgs);
+  };
+}
+
+/**
+ * Creates a function that wraps `func` and uses `cloner` to clone the first
+ * argument it receives.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {Function} cloner The function to clone arguments.
+ * @returns {Function} Returns the new immutable function.
+ */
+function wrapImmutable(func, cloner) {
+  return function() {
+    var length = arguments.length;
+    if (!length) {
+      return;
+    }
+    var args = Array(length);
+    while (length--) {
+      args[length] = arguments[length];
+    }
+    var result = args[0] = cloner.apply(undefined, args);
+    func.apply(undefined, args);
+    return result;
+  };
+}
+
+/**
+ * The base implementation of `convert` which accepts a `util` object of methods
+ * required to perform conversions.
+ *
+ * @param {Object} util The util object.
+ * @param {string} name The name of the function to convert.
+ * @param {Function} func The function to convert.
+ * @param {Object} [options] The options object.
+ * @param {boolean} [options.cap=true] Specify capping iteratee arguments.
+ * @param {boolean} [options.curry=true] Specify currying.
+ * @param {boolean} [options.fixed=true] Specify fixed arity.
+ * @param {boolean} [options.immutable=true] Specify immutable operations.
+ * @param {boolean} [options.rearg=true] Specify rearranging arguments.
+ * @returns {Function|Object} Returns the converted function or object.
+ */
+function baseConvert(util, name, func, options) {
+  var isLib = typeof name == 'function',
+      isObj = name === Object(name);
+
+  if (isObj) {
+    options = func;
+    func = name;
+    name = undefined;
+  }
+  if (func == null) {
+    throw new TypeError;
+  }
+  options || (options = {});
+
+  var config = {
+    'cap': 'cap' in options ? options.cap : true,
+    'curry': 'curry' in options ? options.curry : true,
+    'fixed': 'fixed' in options ? options.fixed : true,
+    'immutable': 'immutable' in options ? options.immutable : true,
+    'rearg': 'rearg' in options ? options.rearg : true
+  };
+
+  var defaultHolder = isLib ? func : fallbackHolder,
+      forceCurry = ('curry' in options) && options.curry,
+      forceFixed = ('fixed' in options) && options.fixed,
+      forceRearg = ('rearg' in options) && options.rearg,
+      pristine = isLib ? func.runInContext() : undefined;
+
+  var helpers = isLib ? func : {
+    'ary': util.ary,
+    'assign': util.assign,
+    'clone': util.clone,
+    'curry': util.curry,
+    'forEach': util.forEach,
+    'isArray': util.isArray,
+    'isError': util.isError,
+    'isFunction': util.isFunction,
+    'isWeakMap': util.isWeakMap,
+    'iteratee': util.iteratee,
+    'keys': util.keys,
+    'rearg': util.rearg,
+    'toInteger': util.toInteger,
+    'toPath': util.toPath
+  };
+
+  var ary = helpers.ary,
+      assign = helpers.assign,
+      clone = helpers.clone,
+      curry = helpers.curry,
+      each = helpers.forEach,
+      isArray = helpers.isArray,
+      isError = helpers.isError,
+      isFunction = helpers.isFunction,
+      isWeakMap = helpers.isWeakMap,
+      keys = helpers.keys,
+      rearg = helpers.rearg,
+      toInteger = helpers.toInteger,
+      toPath = helpers.toPath;
+
+  var aryMethodKeys = keys(mapping.aryMethod);
+
+  var wrappers = {
+    'castArray': function(castArray) {
+      return function() {
+        var value = arguments[0];
+        return isArray(value)
+          ? castArray(cloneArray(value))
+          : castArray.apply(undefined, arguments);
+      };
+    },
+    'iteratee': function(iteratee) {
+      return function() {
+        var func = arguments[0],
+            arity = arguments[1],
+            result = iteratee(func, arity),
+            length = result.length;
+
+        if (config.cap && typeof arity == 'number') {
+          arity = arity > 2 ? (arity - 2) : 1;
+          return (length && length <= arity) ? result : baseAry(result, arity);
+        }
+        return result;
+      };
+    },
+    'mixin': function(mixin) {
+      return function(source) {
+        var func = this;
+        if (!isFunction(func)) {
+          return mixin(func, Object(source));
+        }
+        var pairs = [];
+        each(keys(source), function(key) {
+          if (isFunction(source[key])) {
+            pairs.push([key, func.prototype[key]]);
+          }
+        });
+
+        mixin(func, Object(source));
+
+        each(pairs, function(pair) {
+          var value = pair[1];
+          if (isFunction(value)) {
+            func.prototype[pair[0]] = value;
+          } else {
+            delete func.prototype[pair[0]];
+          }
+        });
+        return func;
+      };
+    },
+    'nthArg': function(nthArg) {
+      return function(n) {
+        var arity = n < 0 ? 1 : (toInteger(n) + 1);
+        return curry(nthArg(n), arity);
+      };
+    },
+    'rearg': function(rearg) {
+      return function(func, indexes) {
+        var arity = indexes ? indexes.length : 0;
+        return curry(rearg(func, indexes), arity);
+      };
+    },
+    'runInContext': function(runInContext) {
+      return function(context) {
+        return baseConvert(util, runInContext(context), options);
+      };
+    }
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Casts `func` to a function with an arity capped iteratee if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @returns {Function} Returns the cast function.
+   */
+  function castCap(name, func) {
+    if (config.cap) {
+      var indexes = mapping.iterateeRearg[name];
+      if (indexes) {
+        return iterateeRearg(func, indexes);
+      }
+      var n = !isLib && mapping.iterateeAry[name];
+      if (n) {
+        return iterateeAry(func, n);
+      }
+    }
+    return func;
+  }
+
+  /**
+   * Casts `func` to a curried function if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @param {number} n The arity of `func`.
+   * @returns {Function} Returns the cast function.
+   */
+  function castCurry(name, func, n) {
+    return (forceCurry || (config.curry && n > 1))
+      ? curry(func, n)
+      : func;
+  }
+
+  /**
+   * Casts `func` to a fixed arity function if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @param {number} n The arity cap.
+   * @returns {Function} Returns the cast function.
+   */
+  function castFixed(name, func, n) {
+    if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
+      var data = mapping.methodSpread[name],
+          start = data && data.start;
+
+      return start  === undefined ? ary(func, n) : flatSpread(func, start);
+    }
+    return func;
+  }
+
+  /**
+   * Casts `func` to an rearged function if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @param {number} n The arity of `func`.
+   * @returns {Function} Returns the cast function.
+   */
+  function castRearg(name, func, n) {
+    return (config.rearg && n > 1 && (forceRearg || !mapping.skipRearg[name]))
+      ? rearg(func, mapping.methodRearg[name] || mapping.aryRearg[n])
+      : func;
+  }
+
+  /**
+   * Creates a clone of `object` by `path`.
+   *
+   * @private
+   * @param {Object} object The object to clone.
+   * @param {Array|string} path The path to clone by.
+   * @returns {Object} Returns the cloned object.
+   */
+  function cloneByPath(object, path) {
+    path = toPath(path);
+
+    var index = -1,
+        length = path.length,
+        lastIndex = length - 1,
+        result = clone(Object(object)),
+        nested = result;
+
+    while (nested != null && ++index < length) {
+      var key = path[index],
+          value = nested[key];
+
+      if (value != null &&
+          !(isFunction(value) || isError(value) || isWeakMap(value))) {
+        nested[key] = clone(index == lastIndex ? value : Object(value));
+      }
+      nested = nested[key];
+    }
+    return result;
+  }
+
+  /**
+   * Converts `lodash` to an immutable auto-curried iteratee-first data-last
+   * version with conversion `options` applied.
+   *
+   * @param {Object} [options] The options object. See `baseConvert` for more details.
+   * @returns {Function} Returns the converted `lodash`.
+   */
+  function convertLib(options) {
+    return _.runInContext.convert(options)(undefined);
+  }
+
+  /**
+   * Create a converter function for `func` of `name`.
+   *
+   * @param {string} name The name of the function to convert.
+   * @param {Function} func The function to convert.
+   * @returns {Function} Returns the new converter function.
+   */
+  function createConverter(name, func) {
+    var realName = mapping.aliasToReal[name] || name,
+        methodName = mapping.remap[realName] || realName,
+        oldOptions = options;
+
+    return function(options) {
+      var newUtil = isLib ? pristine : helpers,
+          newFunc = isLib ? pristine[methodName] : func,
+          newOptions = assign(assign({}, oldOptions), options);
+
+      return baseConvert(newUtil, realName, newFunc, newOptions);
+    };
+  }
+
+  /**
+   * Creates a function that wraps `func` to invoke its iteratee, with up to `n`
+   * arguments, ignoring any additional arguments.
+   *
+   * @private
+   * @param {Function} func The function to cap iteratee arguments for.
+   * @param {number} n The arity cap.
+   * @returns {Function} Returns the new function.
+   */
+  function iterateeAry(func, n) {
+    return overArg(func, function(func) {
+      return typeof func == 'function' ? baseAry(func, n) : func;
+    });
+  }
+
+  /**
+   * Creates a function that wraps `func` to invoke its iteratee with arguments
+   * arranged according to the specified `indexes` where the argument value at
+   * the first index is provided as the first argument, the argument value at
+   * the second index is provided as the second argument, and so on.
+   *
+   * @private
+   * @param {Function} func The function to rearrange iteratee arguments for.
+   * @param {number[]} indexes The arranged argument indexes.
+   * @returns {Function} Returns the new function.
+   */
+  function iterateeRearg(func, indexes) {
+    return overArg(func, function(func) {
+      var n = indexes.length;
+      return baseArity(rearg(baseAry(func, n), indexes), n);
+    });
+  }
+
+  /**
+   * Creates a function that invokes `func` with its first argument transformed.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {Function} transform The argument transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overArg(func, transform) {
+    return function() {
+      var length = arguments.length;
+      if (!length) {
+        return func();
+      }
+      var args = Array(length);
+      while (length--) {
+        args[length] = arguments[length];
+      }
+      var index = config.rearg ? 0 : (length - 1);
+      args[index] = transform(args[index]);
+      return func.apply(undefined, args);
+    };
+  }
+
+  /**
+   * Creates a function that wraps `func` and applys the conversions
+   * rules by `name`.
+   *
+   * @private
+   * @param {string} name The name of the function to wrap.
+   * @param {Function} func The function to wrap.
+   * @returns {Function} Returns the converted function.
+   */
+  function wrap(name, func, placeholder) {
+    var result,
+        realName = mapping.aliasToReal[name] || name,
+        wrapped = func,
+        wrapper = wrappers[realName];
+
+    if (wrapper) {
+      wrapped = wrapper(func);
+    }
+    else if (config.immutable) {
+      if (mapping.mutate.array[realName]) {
+        wrapped = wrapImmutable(func, cloneArray);
+      }
+      else if (mapping.mutate.object[realName]) {
+        wrapped = wrapImmutable(func, createCloner(func));
+      }
+      else if (mapping.mutate.set[realName]) {
+        wrapped = wrapImmutable(func, cloneByPath);
+      }
+    }
+    each(aryMethodKeys, function(aryKey) {
+      each(mapping.aryMethod[aryKey], function(otherName) {
+        if (realName == otherName) {
+          var data = mapping.methodSpread[realName],
+              afterRearg = data && data.afterRearg;
+
+          result = afterRearg
+            ? castFixed(realName, castRearg(realName, wrapped, aryKey), aryKey)
+            : castRearg(realName, castFixed(realName, wrapped, aryKey), aryKey);
+
+          result = castCap(realName, result);
+          result = castCurry(realName, result, aryKey);
+          return false;
+        }
+      });
+      return !result;
+    });
+
+    result || (result = wrapped);
+    if (result == func) {
+      result = forceCurry ? curry(result, 1) : function() {
+        return func.apply(this, arguments);
+      };
+    }
+    result.convert = createConverter(realName, func);
+    result.placeholder = func.placeholder = placeholder;
+
+    return result;
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  if (!isObj) {
+    return wrap(name, func, defaultHolder);
+  }
+  var _ = func;
+
+  // Convert methods by ary cap.
+  var pairs = [];
+  each(aryMethodKeys, function(aryKey) {
+    each(mapping.aryMethod[aryKey], function(key) {
+      var func = _[mapping.remap[key] || key];
+      if (func) {
+        pairs.push([key, wrap(key, func, _)]);
+      }
+    });
+  });
+
+  // Convert remaining methods.
+  each(keys(_), function(key) {
+    var func = _[key];
+    if (typeof func == 'function') {
+      var length = pairs.length;
+      while (length--) {
+        if (pairs[length][0] == key) {
+          return;
+        }
+      }
+      func.convert = createConverter(key, func);
+      pairs.push([key, func]);
+    }
+  });
+
+  // Assign to `_` leaving `_.prototype` unchanged to allow chaining.
+  each(pairs, function(pair) {
+    _[pair[0]] = pair[1];
+  });
+
+  _.convert = convertLib;
+  _.placeholder = _;
+
+  // Assign aliases.
+  each(keys(_), function(key) {
+    each(mapping.realToAlias[key] || [], function(alias) {
+      _[alias] = _[key];
+    });
+  });
+
+  return _;
+}
+
+module.exports = baseConvert;
diff --git a/web/public/node_modules/lodash/fp/_convertBrowser.js b/web/public/node_modules/lodash/fp/_convertBrowser.js
new file mode 100644
index 000000000..bde030dc0
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/_convertBrowser.js
@@ -0,0 +1,18 @@
+var baseConvert = require('./_baseConvert');
+
+/**
+ * Converts `lodash` to an immutable auto-curried iteratee-first data-last
+ * version with conversion `options` applied.
+ *
+ * @param {Function} lodash The lodash function to convert.
+ * @param {Object} [options] The options object. See `baseConvert` for more details.
+ * @returns {Function} Returns the converted `lodash`.
+ */
+function browserConvert(lodash, options) {
+  return baseConvert(lodash, lodash, options);
+}
+
+if (typeof _ == 'function' && typeof _.runInContext == 'function') {
+  _ = browserConvert(_.runInContext());
+}
+module.exports = browserConvert;
diff --git a/web/public/node_modules/lodash/fp/_falseOptions.js b/web/public/node_modules/lodash/fp/_falseOptions.js
new file mode 100644
index 000000000..773235e34
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/_falseOptions.js
@@ -0,0 +1,7 @@
+module.exports = {
+  'cap': false,
+  'curry': false,
+  'fixed': false,
+  'immutable': false,
+  'rearg': false
+};
diff --git a/web/public/node_modules/lodash/fp/_mapping.js b/web/public/node_modules/lodash/fp/_mapping.js
new file mode 100644
index 000000000..a642ec058
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/_mapping.js
@@ -0,0 +1,358 @@
+/** Used to map aliases to their real names. */
+exports.aliasToReal = {
+
+  // Lodash aliases.
+  'each': 'forEach',
+  'eachRight': 'forEachRight',
+  'entries': 'toPairs',
+  'entriesIn': 'toPairsIn',
+  'extend': 'assignIn',
+  'extendAll': 'assignInAll',
+  'extendAllWith': 'assignInAllWith',
+  'extendWith': 'assignInWith',
+  'first': 'head',
+
+  // Methods that are curried variants of others.
+  'conforms': 'conformsTo',
+  'matches': 'isMatch',
+  'property': 'get',
+
+  // Ramda aliases.
+  '__': 'placeholder',
+  'F': 'stubFalse',
+  'T': 'stubTrue',
+  'all': 'every',
+  'allPass': 'overEvery',
+  'always': 'constant',
+  'any': 'some',
+  'anyPass': 'overSome',
+  'apply': 'spread',
+  'assoc': 'set',
+  'assocPath': 'set',
+  'complement': 'negate',
+  'compose': 'flowRight',
+  'contains': 'includes',
+  'dissoc': 'unset',
+  'dissocPath': 'unset',
+  'dropLast': 'dropRight',
+  'dropLastWhile': 'dropRightWhile',
+  'equals': 'isEqual',
+  'identical': 'eq',
+  'indexBy': 'keyBy',
+  'init': 'initial',
+  'invertObj': 'invert',
+  'juxt': 'over',
+  'omitAll': 'omit',
+  'nAry': 'ary',
+  'path': 'get',
+  'pathEq': 'matchesProperty',
+  'pathOr': 'getOr',
+  'paths': 'at',
+  'pickAll': 'pick',
+  'pipe': 'flow',
+  'pluck': 'map',
+  'prop': 'get',
+  'propEq': 'matchesProperty',
+  'propOr': 'getOr',
+  'props': 'at',
+  'symmetricDifference': 'xor',
+  'symmetricDifferenceBy': 'xorBy',
+  'symmetricDifferenceWith': 'xorWith',
+  'takeLast': 'takeRight',
+  'takeLastWhile': 'takeRightWhile',
+  'unapply': 'rest',
+  'unnest': 'flatten',
+  'useWith': 'overArgs',
+  'where': 'conformsTo',
+  'whereEq': 'isMatch',
+  'zipObj': 'zipObject'
+};
+
+/** Used to map ary to method names. */
+exports.aryMethod = {
+  '1': [
+    'assignAll', 'assignInAll', 'attempt', 'castArray', 'ceil', 'create',
+    'curry', 'curryRight', 'defaultsAll', 'defaultsDeepAll', 'floor', 'flow',
+    'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method', 'mergeAll',
+    'methodOf', 'mixin', 'nthArg', 'over', 'overEvery', 'overSome','rest', 'reverse',
+    'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
+    'uniqueId', 'words', 'zipAll'
+  ],
+  '2': [
+    'add', 'after', 'ary', 'assign', 'assignAllWith', 'assignIn', 'assignInAllWith',
+    'at', 'before', 'bind', 'bindAll', 'bindKey', 'chunk', 'cloneDeepWith',
+    'cloneWith', 'concat', 'conformsTo', 'countBy', 'curryN', 'curryRightN',
+    'debounce', 'defaults', 'defaultsDeep', 'defaultTo', 'delay', 'difference',
+    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq',
+    'every', 'filter', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
+    'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth', 'forEach',
+    'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'get',
+    'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf', 'intersection',
+    'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch', 'join', 'keyBy',
+    'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues', 'matchesProperty',
+    'maxBy', 'meanBy', 'merge', 'mergeAllWith', 'minBy', 'multiply', 'nth', 'omit',
+    'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial',
+    'partialRight', 'partition', 'pick', 'pickBy', 'propertyOf', 'pull', 'pullAll',
+    'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
+    'repeat', 'restFrom', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
+    'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
+    'split', 'spreadFrom', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight',
+    'takeRightWhile', 'takeWhile', 'tap', 'throttle', 'thru', 'times', 'trimChars',
+    'trimCharsEnd', 'trimCharsStart', 'truncate', 'union', 'uniqBy', 'uniqWith',
+    'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
+    'zipObjectDeep'
+  ],
+  '3': [
+    'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
+    'findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom', 'getOr',
+    'includesFrom', 'indexOfFrom', 'inRange', 'intersectionBy', 'intersectionWith',
+    'invokeArgs', 'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth',
+    'lastIndexOfFrom', 'mergeWith', 'orderBy', 'padChars', 'padCharsEnd',
+    'padCharsStart', 'pullAllBy', 'pullAllWith', 'rangeStep', 'rangeStepRight',
+    'reduce', 'reduceRight', 'replace', 'set', 'slice', 'sortedIndexBy',
+    'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith', 'update', 'xorBy',
+    'xorWith', 'zipWith'
+  ],
+  '4': [
+    'fill', 'setWith', 'updateWith'
+  ]
+};
+
+/** Used to map ary to rearg configs. */
+exports.aryRearg = {
+  '2': [1, 0],
+  '3': [2, 0, 1],
+  '4': [3, 2, 0, 1]
+};
+
+/** Used to map method names to their iteratee ary. */
+exports.iterateeAry = {
+  'dropRightWhile': 1,
+  'dropWhile': 1,
+  'every': 1,
+  'filter': 1,
+  'find': 1,
+  'findFrom': 1,
+  'findIndex': 1,
+  'findIndexFrom': 1,
+  'findKey': 1,
+  'findLast': 1,
+  'findLastFrom': 1,
+  'findLastIndex': 1,
+  'findLastIndexFrom': 1,
+  'findLastKey': 1,
+  'flatMap': 1,
+  'flatMapDeep': 1,
+  'flatMapDepth': 1,
+  'forEach': 1,
+  'forEachRight': 1,
+  'forIn': 1,
+  'forInRight': 1,
+  'forOwn': 1,
+  'forOwnRight': 1,
+  'map': 1,
+  'mapKeys': 1,
+  'mapValues': 1,
+  'partition': 1,
+  'reduce': 2,
+  'reduceRight': 2,
+  'reject': 1,
+  'remove': 1,
+  'some': 1,
+  'takeRightWhile': 1,
+  'takeWhile': 1,
+  'times': 1,
+  'transform': 2
+};
+
+/** Used to map method names to iteratee rearg configs. */
+exports.iterateeRearg = {
+  'mapKeys': [1],
+  'reduceRight': [1, 0]
+};
+
+/** Used to map method names to rearg configs. */
+exports.methodRearg = {
+  'assignInAllWith': [1, 0],
+  'assignInWith': [1, 2, 0],
+  'assignAllWith': [1, 0],
+  'assignWith': [1, 2, 0],
+  'differenceBy': [1, 2, 0],
+  'differenceWith': [1, 2, 0],
+  'getOr': [2, 1, 0],
+  'intersectionBy': [1, 2, 0],
+  'intersectionWith': [1, 2, 0],
+  'isEqualWith': [1, 2, 0],
+  'isMatchWith': [2, 1, 0],
+  'mergeAllWith': [1, 0],
+  'mergeWith': [1, 2, 0],
+  'padChars': [2, 1, 0],
+  'padCharsEnd': [2, 1, 0],
+  'padCharsStart': [2, 1, 0],
+  'pullAllBy': [2, 1, 0],
+  'pullAllWith': [2, 1, 0],
+  'rangeStep': [1, 2, 0],
+  'rangeStepRight': [1, 2, 0],
+  'setWith': [3, 1, 2, 0],
+  'sortedIndexBy': [2, 1, 0],
+  'sortedLastIndexBy': [2, 1, 0],
+  'unionBy': [1, 2, 0],
+  'unionWith': [1, 2, 0],
+  'updateWith': [3, 1, 2, 0],
+  'xorBy': [1, 2, 0],
+  'xorWith': [1, 2, 0],
+  'zipWith': [1, 2, 0]
+};
+
+/** Used to map method names to spread configs. */
+exports.methodSpread = {
+  'assignAll': { 'start': 0 },
+  'assignAllWith': { 'start': 0 },
+  'assignInAll': { 'start': 0 },
+  'assignInAllWith': { 'start': 0 },
+  'defaultsAll': { 'start': 0 },
+  'defaultsDeepAll': { 'start': 0 },
+  'invokeArgs': { 'start': 2 },
+  'invokeArgsMap': { 'start': 2 },
+  'mergeAll': { 'start': 0 },
+  'mergeAllWith': { 'start': 0 },
+  'partial': { 'start': 1 },
+  'partialRight': { 'start': 1 },
+  'without': { 'start': 1 },
+  'zipAll': { 'start': 0 }
+};
+
+/** Used to identify methods which mutate arrays or objects. */
+exports.mutate = {
+  'array': {
+    'fill': true,
+    'pull': true,
+    'pullAll': true,
+    'pullAllBy': true,
+    'pullAllWith': true,
+    'pullAt': true,
+    'remove': true,
+    'reverse': true
+  },
+  'object': {
+    'assign': true,
+    'assignAll': true,
+    'assignAllWith': true,
+    'assignIn': true,
+    'assignInAll': true,
+    'assignInAllWith': true,
+    'assignInWith': true,
+    'assignWith': true,
+    'defaults': true,
+    'defaultsAll': true,
+    'defaultsDeep': true,
+    'defaultsDeepAll': true,
+    'merge': true,
+    'mergeAll': true,
+    'mergeAllWith': true,
+    'mergeWith': true,
+  },
+  'set': {
+    'set': true,
+    'setWith': true,
+    'unset': true,
+    'update': true,
+    'updateWith': true
+  }
+};
+
+/** Used to map real names to their aliases. */
+exports.realToAlias = (function() {
+  var hasOwnProperty = Object.prototype.hasOwnProperty,
+      object = exports.aliasToReal,
+      result = {};
+
+  for (var key in object) {
+    var value = object[key];
+    if (hasOwnProperty.call(result, value)) {
+      result[value].push(key);
+    } else {
+      result[value] = [key];
+    }
+  }
+  return result;
+}());
+
+/** Used to map method names to other names. */
+exports.remap = {
+  'assignAll': 'assign',
+  'assignAllWith': 'assignWith',
+  'assignInAll': 'assignIn',
+  'assignInAllWith': 'assignInWith',
+  'curryN': 'curry',
+  'curryRightN': 'curryRight',
+  'defaultsAll': 'defaults',
+  'defaultsDeepAll': 'defaultsDeep',
+  'findFrom': 'find',
+  'findIndexFrom': 'findIndex',
+  'findLastFrom': 'findLast',
+  'findLastIndexFrom': 'findLastIndex',
+  'getOr': 'get',
+  'includesFrom': 'includes',
+  'indexOfFrom': 'indexOf',
+  'invokeArgs': 'invoke',
+  'invokeArgsMap': 'invokeMap',
+  'lastIndexOfFrom': 'lastIndexOf',
+  'mergeAll': 'merge',
+  'mergeAllWith': 'mergeWith',
+  'padChars': 'pad',
+  'padCharsEnd': 'padEnd',
+  'padCharsStart': 'padStart',
+  'propertyOf': 'get',
+  'rangeStep': 'range',
+  'rangeStepRight': 'rangeRight',
+  'restFrom': 'rest',
+  'spreadFrom': 'spread',
+  'trimChars': 'trim',
+  'trimCharsEnd': 'trimEnd',
+  'trimCharsStart': 'trimStart',
+  'zipAll': 'zip'
+};
+
+/** Used to track methods that skip fixing their arity. */
+exports.skipFixed = {
+  'castArray': true,
+  'flow': true,
+  'flowRight': true,
+  'iteratee': true,
+  'mixin': true,
+  'rearg': true,
+  'runInContext': true
+};
+
+/** Used to track methods that skip rearranging arguments. */
+exports.skipRearg = {
+  'add': true,
+  'assign': true,
+  'assignIn': true,
+  'bind': true,
+  'bindKey': true,
+  'concat': true,
+  'difference': true,
+  'divide': true,
+  'eq': true,
+  'gt': true,
+  'gte': true,
+  'isEqual': true,
+  'lt': true,
+  'lte': true,
+  'matchesProperty': true,
+  'merge': true,
+  'multiply': true,
+  'overArgs': true,
+  'partial': true,
+  'partialRight': true,
+  'propertyOf': true,
+  'random': true,
+  'range': true,
+  'rangeRight': true,
+  'subtract': true,
+  'zip': true,
+  'zipObject': true,
+  'zipObjectDeep': true
+};
diff --git a/web/public/node_modules/lodash/fp/_util.js b/web/public/node_modules/lodash/fp/_util.js
new file mode 100644
index 000000000..1dbf36f5d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/_util.js
@@ -0,0 +1,16 @@
+module.exports = {
+  'ary': require('../ary'),
+  'assign': require('../_baseAssign'),
+  'clone': require('../clone'),
+  'curry': require('../curry'),
+  'forEach': require('../_arrayEach'),
+  'isArray': require('../isArray'),
+  'isError': require('../isError'),
+  'isFunction': require('../isFunction'),
+  'isWeakMap': require('../isWeakMap'),
+  'iteratee': require('../iteratee'),
+  'keys': require('../_baseKeys'),
+  'rearg': require('../rearg'),
+  'toInteger': require('../toInteger'),
+  'toPath': require('../toPath')
+};
diff --git a/web/public/node_modules/lodash/fp/add.js b/web/public/node_modules/lodash/fp/add.js
new file mode 100644
index 000000000..816eeece3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/add.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('add', require('../add'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/after.js b/web/public/node_modules/lodash/fp/after.js
new file mode 100644
index 000000000..21a0167ab
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/after.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('after', require('../after'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/all.js b/web/public/node_modules/lodash/fp/all.js
new file mode 100644
index 000000000..d0839f77e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/all.js
@@ -0,0 +1 @@
+module.exports = require('./every');
diff --git a/web/public/node_modules/lodash/fp/allPass.js b/web/public/node_modules/lodash/fp/allPass.js
new file mode 100644
index 000000000..79b73ef84
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/allPass.js
@@ -0,0 +1 @@
+module.exports = require('./overEvery');
diff --git a/web/public/node_modules/lodash/fp/always.js b/web/public/node_modules/lodash/fp/always.js
new file mode 100644
index 000000000..988770307
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/always.js
@@ -0,0 +1 @@
+module.exports = require('./constant');
diff --git a/web/public/node_modules/lodash/fp/any.js b/web/public/node_modules/lodash/fp/any.js
new file mode 100644
index 000000000..900ac25e8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/any.js
@@ -0,0 +1 @@
+module.exports = require('./some');
diff --git a/web/public/node_modules/lodash/fp/anyPass.js b/web/public/node_modules/lodash/fp/anyPass.js
new file mode 100644
index 000000000..2774ab37a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/anyPass.js
@@ -0,0 +1 @@
+module.exports = require('./overSome');
diff --git a/web/public/node_modules/lodash/fp/apply.js b/web/public/node_modules/lodash/fp/apply.js
new file mode 100644
index 000000000..2b7571296
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/apply.js
@@ -0,0 +1 @@
+module.exports = require('./spread');
diff --git a/web/public/node_modules/lodash/fp/array.js b/web/public/node_modules/lodash/fp/array.js
new file mode 100644
index 000000000..fe939c2c2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/array.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../array'));
diff --git a/web/public/node_modules/lodash/fp/ary.js b/web/public/node_modules/lodash/fp/ary.js
new file mode 100644
index 000000000..8edf18778
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/ary.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('ary', require('../ary'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assign.js b/web/public/node_modules/lodash/fp/assign.js
new file mode 100644
index 000000000..23f47af17
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assign.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assign', require('../assign'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignAll.js b/web/public/node_modules/lodash/fp/assignAll.js
new file mode 100644
index 000000000..b1d36c7ef
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignAll', require('../assign'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignAllWith.js b/web/public/node_modules/lodash/fp/assignAllWith.js
new file mode 100644
index 000000000..21e836e6f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignAllWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignAllWith', require('../assignWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignIn.js b/web/public/node_modules/lodash/fp/assignIn.js
new file mode 100644
index 000000000..6e7c65fad
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignIn', require('../assignIn'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignInAll.js b/web/public/node_modules/lodash/fp/assignInAll.js
new file mode 100644
index 000000000..7ba75dba1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignInAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignInAll', require('../assignIn'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignInAllWith.js b/web/public/node_modules/lodash/fp/assignInAllWith.js
new file mode 100644
index 000000000..e766903d4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignInAllWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignInAllWith', require('../assignInWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignInWith.js b/web/public/node_modules/lodash/fp/assignInWith.js
new file mode 100644
index 000000000..acb592367
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignInWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignInWith', require('../assignInWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assignWith.js b/web/public/node_modules/lodash/fp/assignWith.js
new file mode 100644
index 000000000..eb925212d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assignWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('assignWith', require('../assignWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/assoc.js b/web/public/node_modules/lodash/fp/assoc.js
new file mode 100644
index 000000000..7648820c9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assoc.js
@@ -0,0 +1 @@
+module.exports = require('./set');
diff --git a/web/public/node_modules/lodash/fp/assocPath.js b/web/public/node_modules/lodash/fp/assocPath.js
new file mode 100644
index 000000000..7648820c9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/assocPath.js
@@ -0,0 +1 @@
+module.exports = require('./set');
diff --git a/web/public/node_modules/lodash/fp/at.js b/web/public/node_modules/lodash/fp/at.js
new file mode 100644
index 000000000..cc39d257c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/at.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('at', require('../at'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/attempt.js b/web/public/node_modules/lodash/fp/attempt.js
new file mode 100644
index 000000000..26ca42ea0
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/attempt.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('attempt', require('../attempt'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/before.js b/web/public/node_modules/lodash/fp/before.js
new file mode 100644
index 000000000..7a2de65d2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/before.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('before', require('../before'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/bind.js b/web/public/node_modules/lodash/fp/bind.js
new file mode 100644
index 000000000..5cbe4f302
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/bind.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('bind', require('../bind'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/bindAll.js b/web/public/node_modules/lodash/fp/bindAll.js
new file mode 100644
index 000000000..6b4a4a0f2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/bindAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('bindAll', require('../bindAll'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/bindKey.js b/web/public/node_modules/lodash/fp/bindKey.js
new file mode 100644
index 000000000..6a46c6b19
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/bindKey.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('bindKey', require('../bindKey'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/camelCase.js b/web/public/node_modules/lodash/fp/camelCase.js
new file mode 100644
index 000000000..87b77b493
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/camelCase.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('camelCase', require('../camelCase'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/capitalize.js b/web/public/node_modules/lodash/fp/capitalize.js
new file mode 100644
index 000000000..cac74e14f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/capitalize.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('capitalize', require('../capitalize'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/castArray.js b/web/public/node_modules/lodash/fp/castArray.js
new file mode 100644
index 000000000..8681c099e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/castArray.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('castArray', require('../castArray'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/ceil.js b/web/public/node_modules/lodash/fp/ceil.js
new file mode 100644
index 000000000..f416b7294
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/ceil.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('ceil', require('../ceil'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/chain.js b/web/public/node_modules/lodash/fp/chain.js
new file mode 100644
index 000000000..604fe398b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/chain.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('chain', require('../chain'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/chunk.js b/web/public/node_modules/lodash/fp/chunk.js
new file mode 100644
index 000000000..871ab0858
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/chunk.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('chunk', require('../chunk'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/clamp.js b/web/public/node_modules/lodash/fp/clamp.js
new file mode 100644
index 000000000..3b06c01ce
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/clamp.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('clamp', require('../clamp'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/clone.js b/web/public/node_modules/lodash/fp/clone.js
new file mode 100644
index 000000000..cadb59c91
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/clone.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('clone', require('../clone'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/cloneDeep.js b/web/public/node_modules/lodash/fp/cloneDeep.js
new file mode 100644
index 000000000..a6107aac9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/cloneDeep.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('cloneDeep', require('../cloneDeep'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/cloneDeepWith.js b/web/public/node_modules/lodash/fp/cloneDeepWith.js
new file mode 100644
index 000000000..6f01e44a3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/cloneDeepWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('cloneDeepWith', require('../cloneDeepWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/cloneWith.js b/web/public/node_modules/lodash/fp/cloneWith.js
new file mode 100644
index 000000000..aa8857810
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/cloneWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('cloneWith', require('../cloneWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/collection.js b/web/public/node_modules/lodash/fp/collection.js
new file mode 100644
index 000000000..fc8b328a0
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/collection.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../collection'));
diff --git a/web/public/node_modules/lodash/fp/commit.js b/web/public/node_modules/lodash/fp/commit.js
new file mode 100644
index 000000000..130a894f8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/commit.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('commit', require('../commit'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/compact.js b/web/public/node_modules/lodash/fp/compact.js
new file mode 100644
index 000000000..ce8f7a1ac
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/compact.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('compact', require('../compact'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/complement.js b/web/public/node_modules/lodash/fp/complement.js
new file mode 100644
index 000000000..93eb462b3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/complement.js
@@ -0,0 +1 @@
+module.exports = require('./negate');
diff --git a/web/public/node_modules/lodash/fp/compose.js b/web/public/node_modules/lodash/fp/compose.js
new file mode 100644
index 000000000..1954e9423
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/compose.js
@@ -0,0 +1 @@
+module.exports = require('./flowRight');
diff --git a/web/public/node_modules/lodash/fp/concat.js b/web/public/node_modules/lodash/fp/concat.js
new file mode 100644
index 000000000..e59346ad9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/concat.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('concat', require('../concat'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/cond.js b/web/public/node_modules/lodash/fp/cond.js
new file mode 100644
index 000000000..6a0120efd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/cond.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('cond', require('../cond'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/conforms.js b/web/public/node_modules/lodash/fp/conforms.js
new file mode 100644
index 000000000..3247f64a8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/conforms.js
@@ -0,0 +1 @@
+module.exports = require('./conformsTo');
diff --git a/web/public/node_modules/lodash/fp/conformsTo.js b/web/public/node_modules/lodash/fp/conformsTo.js
new file mode 100644
index 000000000..aa7f41ec0
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/conformsTo.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('conformsTo', require('../conformsTo'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/constant.js b/web/public/node_modules/lodash/fp/constant.js
new file mode 100644
index 000000000..9e406fc09
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/constant.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('constant', require('../constant'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/contains.js b/web/public/node_modules/lodash/fp/contains.js
new file mode 100644
index 000000000..594722af5
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/contains.js
@@ -0,0 +1 @@
+module.exports = require('./includes');
diff --git a/web/public/node_modules/lodash/fp/convert.js b/web/public/node_modules/lodash/fp/convert.js
new file mode 100644
index 000000000..4795dc424
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/convert.js
@@ -0,0 +1,18 @@
+var baseConvert = require('./_baseConvert'),
+    util = require('./_util');
+
+/**
+ * Converts `func` of `name` to an immutable auto-curried iteratee-first data-last
+ * version with conversion `options` applied. If `name` is an object its methods
+ * will be converted.
+ *
+ * @param {string} name The name of the function to wrap.
+ * @param {Function} [func] The function to wrap.
+ * @param {Object} [options] The options object. See `baseConvert` for more details.
+ * @returns {Function|Object} Returns the converted function or object.
+ */
+function convert(name, func, options) {
+  return baseConvert(util, name, func, options);
+}
+
+module.exports = convert;
diff --git a/web/public/node_modules/lodash/fp/countBy.js b/web/public/node_modules/lodash/fp/countBy.js
new file mode 100644
index 000000000..dfa464326
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/countBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('countBy', require('../countBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/create.js b/web/public/node_modules/lodash/fp/create.js
new file mode 100644
index 000000000..752025fb8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/create.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('create', require('../create'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/curry.js b/web/public/node_modules/lodash/fp/curry.js
new file mode 100644
index 000000000..b0b4168c5
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/curry.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('curry', require('../curry'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/curryN.js b/web/public/node_modules/lodash/fp/curryN.js
new file mode 100644
index 000000000..2ae7d00a6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/curryN.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('curryN', require('../curry'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/curryRight.js b/web/public/node_modules/lodash/fp/curryRight.js
new file mode 100644
index 000000000..cb619eb5d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/curryRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('curryRight', require('../curryRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/curryRightN.js b/web/public/node_modules/lodash/fp/curryRightN.js
new file mode 100644
index 000000000..2495afc89
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/curryRightN.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('curryRightN', require('../curryRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/date.js b/web/public/node_modules/lodash/fp/date.js
new file mode 100644
index 000000000..82cb952bc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/date.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../date'));
diff --git a/web/public/node_modules/lodash/fp/debounce.js b/web/public/node_modules/lodash/fp/debounce.js
new file mode 100644
index 000000000..26122293a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/debounce.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('debounce', require('../debounce'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/deburr.js b/web/public/node_modules/lodash/fp/deburr.js
new file mode 100644
index 000000000..96463ab88
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/deburr.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('deburr', require('../deburr'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/defaultTo.js b/web/public/node_modules/lodash/fp/defaultTo.js
new file mode 100644
index 000000000..d6b52a444
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/defaultTo.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('defaultTo', require('../defaultTo'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/defaults.js b/web/public/node_modules/lodash/fp/defaults.js
new file mode 100644
index 000000000..e1a8e6e7d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/defaults.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('defaults', require('../defaults'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/defaultsAll.js b/web/public/node_modules/lodash/fp/defaultsAll.js
new file mode 100644
index 000000000..238fcc3c2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/defaultsAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('defaultsAll', require('../defaults'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/defaultsDeep.js b/web/public/node_modules/lodash/fp/defaultsDeep.js
new file mode 100644
index 000000000..1f172ff94
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/defaultsDeep.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('defaultsDeep', require('../defaultsDeep'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/defaultsDeepAll.js b/web/public/node_modules/lodash/fp/defaultsDeepAll.js
new file mode 100644
index 000000000..6835f2f07
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/defaultsDeepAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('defaultsDeepAll', require('../defaultsDeep'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/defer.js b/web/public/node_modules/lodash/fp/defer.js
new file mode 100644
index 000000000..ec7990fe2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/defer.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('defer', require('../defer'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/delay.js b/web/public/node_modules/lodash/fp/delay.js
new file mode 100644
index 000000000..556dbd568
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/delay.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('delay', require('../delay'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/difference.js b/web/public/node_modules/lodash/fp/difference.js
new file mode 100644
index 000000000..2d0376542
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/difference.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('difference', require('../difference'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/differenceBy.js b/web/public/node_modules/lodash/fp/differenceBy.js
new file mode 100644
index 000000000..2f914910a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/differenceBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('differenceBy', require('../differenceBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/differenceWith.js b/web/public/node_modules/lodash/fp/differenceWith.js
new file mode 100644
index 000000000..bcf5ad2e1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/differenceWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('differenceWith', require('../differenceWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/dissoc.js b/web/public/node_modules/lodash/fp/dissoc.js
new file mode 100644
index 000000000..7ec7be190
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dissoc.js
@@ -0,0 +1 @@
+module.exports = require('./unset');
diff --git a/web/public/node_modules/lodash/fp/dissocPath.js b/web/public/node_modules/lodash/fp/dissocPath.js
new file mode 100644
index 000000000..7ec7be190
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dissocPath.js
@@ -0,0 +1 @@
+module.exports = require('./unset');
diff --git a/web/public/node_modules/lodash/fp/divide.js b/web/public/node_modules/lodash/fp/divide.js
new file mode 100644
index 000000000..82048c5e0
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/divide.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('divide', require('../divide'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/drop.js b/web/public/node_modules/lodash/fp/drop.js
new file mode 100644
index 000000000..2fa9b4faa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/drop.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('drop', require('../drop'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/dropLast.js b/web/public/node_modules/lodash/fp/dropLast.js
new file mode 100644
index 000000000..174e52551
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dropLast.js
@@ -0,0 +1 @@
+module.exports = require('./dropRight');
diff --git a/web/public/node_modules/lodash/fp/dropLastWhile.js b/web/public/node_modules/lodash/fp/dropLastWhile.js
new file mode 100644
index 000000000..be2a9d24a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dropLastWhile.js
@@ -0,0 +1 @@
+module.exports = require('./dropRightWhile');
diff --git a/web/public/node_modules/lodash/fp/dropRight.js b/web/public/node_modules/lodash/fp/dropRight.js
new file mode 100644
index 000000000..e98881fcd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dropRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('dropRight', require('../dropRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/dropRightWhile.js b/web/public/node_modules/lodash/fp/dropRightWhile.js
new file mode 100644
index 000000000..cacaa7019
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dropRightWhile.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('dropRightWhile', require('../dropRightWhile'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/dropWhile.js b/web/public/node_modules/lodash/fp/dropWhile.js
new file mode 100644
index 000000000..285f864d1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/dropWhile.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('dropWhile', require('../dropWhile'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/each.js b/web/public/node_modules/lodash/fp/each.js
new file mode 100644
index 000000000..8800f4204
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/each.js
@@ -0,0 +1 @@
+module.exports = require('./forEach');
diff --git a/web/public/node_modules/lodash/fp/eachRight.js b/web/public/node_modules/lodash/fp/eachRight.js
new file mode 100644
index 000000000..3252b2aba
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/eachRight.js
@@ -0,0 +1 @@
+module.exports = require('./forEachRight');
diff --git a/web/public/node_modules/lodash/fp/endsWith.js b/web/public/node_modules/lodash/fp/endsWith.js
new file mode 100644
index 000000000..17dc2a495
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/endsWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('endsWith', require('../endsWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/entries.js b/web/public/node_modules/lodash/fp/entries.js
new file mode 100644
index 000000000..7a88df204
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/entries.js
@@ -0,0 +1 @@
+module.exports = require('./toPairs');
diff --git a/web/public/node_modules/lodash/fp/entriesIn.js b/web/public/node_modules/lodash/fp/entriesIn.js
new file mode 100644
index 000000000..f6c6331c1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/entriesIn.js
@@ -0,0 +1 @@
+module.exports = require('./toPairsIn');
diff --git a/web/public/node_modules/lodash/fp/eq.js b/web/public/node_modules/lodash/fp/eq.js
new file mode 100644
index 000000000..9a3d21bf1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/eq.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('eq', require('../eq'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/equals.js b/web/public/node_modules/lodash/fp/equals.js
new file mode 100644
index 000000000..e6a5ce0ca
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/equals.js
@@ -0,0 +1 @@
+module.exports = require('./isEqual');
diff --git a/web/public/node_modules/lodash/fp/escape.js b/web/public/node_modules/lodash/fp/escape.js
new file mode 100644
index 000000000..52c1fbba6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/escape.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('escape', require('../escape'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/escapeRegExp.js b/web/public/node_modules/lodash/fp/escapeRegExp.js
new file mode 100644
index 000000000..369b2eff6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/escapeRegExp.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('escapeRegExp', require('../escapeRegExp'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/every.js b/web/public/node_modules/lodash/fp/every.js
new file mode 100644
index 000000000..95c2776c3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/every.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('every', require('../every'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/extend.js b/web/public/node_modules/lodash/fp/extend.js
new file mode 100644
index 000000000..e00166c20
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/extend.js
@@ -0,0 +1 @@
+module.exports = require('./assignIn');
diff --git a/web/public/node_modules/lodash/fp/extendAll.js b/web/public/node_modules/lodash/fp/extendAll.js
new file mode 100644
index 000000000..cc55b64fc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/extendAll.js
@@ -0,0 +1 @@
+module.exports = require('./assignInAll');
diff --git a/web/public/node_modules/lodash/fp/extendAllWith.js b/web/public/node_modules/lodash/fp/extendAllWith.js
new file mode 100644
index 000000000..6679d208b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/extendAllWith.js
@@ -0,0 +1 @@
+module.exports = require('./assignInAllWith');
diff --git a/web/public/node_modules/lodash/fp/extendWith.js b/web/public/node_modules/lodash/fp/extendWith.js
new file mode 100644
index 000000000..dbdcb3b4e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/extendWith.js
@@ -0,0 +1 @@
+module.exports = require('./assignInWith');
diff --git a/web/public/node_modules/lodash/fp/fill.js b/web/public/node_modules/lodash/fp/fill.js
new file mode 100644
index 000000000..b2d47e84e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/fill.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('fill', require('../fill'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/filter.js b/web/public/node_modules/lodash/fp/filter.js
new file mode 100644
index 000000000..796d501ce
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/filter.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('filter', require('../filter'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/find.js b/web/public/node_modules/lodash/fp/find.js
new file mode 100644
index 000000000..f805d336a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/find.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('find', require('../find'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findFrom.js b/web/public/node_modules/lodash/fp/findFrom.js
new file mode 100644
index 000000000..da8275e84
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findFrom', require('../find'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findIndex.js b/web/public/node_modules/lodash/fp/findIndex.js
new file mode 100644
index 000000000..8c15fd116
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findIndex.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findIndex', require('../findIndex'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findIndexFrom.js b/web/public/node_modules/lodash/fp/findIndexFrom.js
new file mode 100644
index 000000000..32e98cb95
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findIndexFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findIndexFrom', require('../findIndex'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findKey.js b/web/public/node_modules/lodash/fp/findKey.js
new file mode 100644
index 000000000..475bcfa8a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findKey.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findKey', require('../findKey'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findLast.js b/web/public/node_modules/lodash/fp/findLast.js
new file mode 100644
index 000000000..093fe94e7
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findLast.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findLast', require('../findLast'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findLastFrom.js b/web/public/node_modules/lodash/fp/findLastFrom.js
new file mode 100644
index 000000000..76c38fbad
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findLastFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findLastFrom', require('../findLast'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findLastIndex.js b/web/public/node_modules/lodash/fp/findLastIndex.js
new file mode 100644
index 000000000..36986df0b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findLastIndex.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findLastIndex', require('../findLastIndex'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findLastIndexFrom.js b/web/public/node_modules/lodash/fp/findLastIndexFrom.js
new file mode 100644
index 000000000..34c8176cf
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findLastIndexFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findLastIndexFrom', require('../findLastIndex'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/findLastKey.js b/web/public/node_modules/lodash/fp/findLastKey.js
new file mode 100644
index 000000000..5f81b604e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/findLastKey.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('findLastKey', require('../findLastKey'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/first.js b/web/public/node_modules/lodash/fp/first.js
new file mode 100644
index 000000000..53f4ad13e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/first.js
@@ -0,0 +1 @@
+module.exports = require('./head');
diff --git a/web/public/node_modules/lodash/fp/flatMap.js b/web/public/node_modules/lodash/fp/flatMap.js
new file mode 100644
index 000000000..d01dc4d04
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flatMap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flatMap', require('../flatMap'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flatMapDeep.js b/web/public/node_modules/lodash/fp/flatMapDeep.js
new file mode 100644
index 000000000..569c42eb9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flatMapDeep.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flatMapDeep', require('../flatMapDeep'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flatMapDepth.js b/web/public/node_modules/lodash/fp/flatMapDepth.js
new file mode 100644
index 000000000..6eb68fdee
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flatMapDepth.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flatMapDepth', require('../flatMapDepth'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flatten.js b/web/public/node_modules/lodash/fp/flatten.js
new file mode 100644
index 000000000..30425d896
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flatten.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flatten', require('../flatten'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flattenDeep.js b/web/public/node_modules/lodash/fp/flattenDeep.js
new file mode 100644
index 000000000..aed5db27c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flattenDeep.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flattenDeep', require('../flattenDeep'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flattenDepth.js b/web/public/node_modules/lodash/fp/flattenDepth.js
new file mode 100644
index 000000000..ad65e378e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flattenDepth.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flattenDepth', require('../flattenDepth'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flip.js b/web/public/node_modules/lodash/fp/flip.js
new file mode 100644
index 000000000..0547e7b4e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flip.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flip', require('../flip'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/floor.js b/web/public/node_modules/lodash/fp/floor.js
new file mode 100644
index 000000000..a6cf3358e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/floor.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('floor', require('../floor'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flow.js b/web/public/node_modules/lodash/fp/flow.js
new file mode 100644
index 000000000..cd83677a6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flow.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flow', require('../flow'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/flowRight.js b/web/public/node_modules/lodash/fp/flowRight.js
new file mode 100644
index 000000000..972a5b9b1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/flowRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('flowRight', require('../flowRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/forEach.js b/web/public/node_modules/lodash/fp/forEach.js
new file mode 100644
index 000000000..2f494521c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/forEach.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('forEach', require('../forEach'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/forEachRight.js b/web/public/node_modules/lodash/fp/forEachRight.js
new file mode 100644
index 000000000..3ff97336b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/forEachRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('forEachRight', require('../forEachRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/forIn.js b/web/public/node_modules/lodash/fp/forIn.js
new file mode 100644
index 000000000..9341749b1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/forIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('forIn', require('../forIn'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/forInRight.js b/web/public/node_modules/lodash/fp/forInRight.js
new file mode 100644
index 000000000..cecf8bbfa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/forInRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('forInRight', require('../forInRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/forOwn.js b/web/public/node_modules/lodash/fp/forOwn.js
new file mode 100644
index 000000000..246449e9a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/forOwn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('forOwn', require('../forOwn'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/forOwnRight.js b/web/public/node_modules/lodash/fp/forOwnRight.js
new file mode 100644
index 000000000..c5e826e0d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/forOwnRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('forOwnRight', require('../forOwnRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/fromPairs.js b/web/public/node_modules/lodash/fp/fromPairs.js
new file mode 100644
index 000000000..f8cc5968c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/fromPairs.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('fromPairs', require('../fromPairs'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/function.js b/web/public/node_modules/lodash/fp/function.js
new file mode 100644
index 000000000..dfe69b1fa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/function.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../function'));
diff --git a/web/public/node_modules/lodash/fp/functions.js b/web/public/node_modules/lodash/fp/functions.js
new file mode 100644
index 000000000..09d1bb1ba
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/functions.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('functions', require('../functions'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/functionsIn.js b/web/public/node_modules/lodash/fp/functionsIn.js
new file mode 100644
index 000000000..2cfeb83eb
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/functionsIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('functionsIn', require('../functionsIn'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/get.js b/web/public/node_modules/lodash/fp/get.js
new file mode 100644
index 000000000..6d3a32863
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/get.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('get', require('../get'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/getOr.js b/web/public/node_modules/lodash/fp/getOr.js
new file mode 100644
index 000000000..7dbf771f0
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/getOr.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('getOr', require('../get'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/groupBy.js b/web/public/node_modules/lodash/fp/groupBy.js
new file mode 100644
index 000000000..fc0bc78a5
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/groupBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('groupBy', require('../groupBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/gt.js b/web/public/node_modules/lodash/fp/gt.js
new file mode 100644
index 000000000..9e57c8085
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/gt.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('gt', require('../gt'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/gte.js b/web/public/node_modules/lodash/fp/gte.js
new file mode 100644
index 000000000..458478638
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/gte.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('gte', require('../gte'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/has.js b/web/public/node_modules/lodash/fp/has.js
new file mode 100644
index 000000000..b90129839
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/has.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('has', require('../has'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/hasIn.js b/web/public/node_modules/lodash/fp/hasIn.js
new file mode 100644
index 000000000..b3c3d1a3f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/hasIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('hasIn', require('../hasIn'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/head.js b/web/public/node_modules/lodash/fp/head.js
new file mode 100644
index 000000000..2694f0a21
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/head.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('head', require('../head'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/identical.js b/web/public/node_modules/lodash/fp/identical.js
new file mode 100644
index 000000000..85563f4a4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/identical.js
@@ -0,0 +1 @@
+module.exports = require('./eq');
diff --git a/web/public/node_modules/lodash/fp/identity.js b/web/public/node_modules/lodash/fp/identity.js
new file mode 100644
index 000000000..096415a5d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/identity.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('identity', require('../identity'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/inRange.js b/web/public/node_modules/lodash/fp/inRange.js
new file mode 100644
index 000000000..202d940ba
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/inRange.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('inRange', require('../inRange'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/includes.js b/web/public/node_modules/lodash/fp/includes.js
new file mode 100644
index 000000000..11467805c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/includes.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('includes', require('../includes'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/includesFrom.js b/web/public/node_modules/lodash/fp/includesFrom.js
new file mode 100644
index 000000000..683afdb46
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/includesFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('includesFrom', require('../includes'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/indexBy.js b/web/public/node_modules/lodash/fp/indexBy.js
new file mode 100644
index 000000000..7e64bc0fc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/indexBy.js
@@ -0,0 +1 @@
+module.exports = require('./keyBy');
diff --git a/web/public/node_modules/lodash/fp/indexOf.js b/web/public/node_modules/lodash/fp/indexOf.js
new file mode 100644
index 000000000..524658eb9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/indexOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('indexOf', require('../indexOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/indexOfFrom.js b/web/public/node_modules/lodash/fp/indexOfFrom.js
new file mode 100644
index 000000000..d99c822f4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/indexOfFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('indexOfFrom', require('../indexOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/init.js b/web/public/node_modules/lodash/fp/init.js
new file mode 100644
index 000000000..2f88d8b0e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/init.js
@@ -0,0 +1 @@
+module.exports = require('./initial');
diff --git a/web/public/node_modules/lodash/fp/initial.js b/web/public/node_modules/lodash/fp/initial.js
new file mode 100644
index 000000000..b732ba0bd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/initial.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('initial', require('../initial'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/intersection.js b/web/public/node_modules/lodash/fp/intersection.js
new file mode 100644
index 000000000..52936d560
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/intersection.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('intersection', require('../intersection'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/intersectionBy.js b/web/public/node_modules/lodash/fp/intersectionBy.js
new file mode 100644
index 000000000..72629f277
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/intersectionBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('intersectionBy', require('../intersectionBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/intersectionWith.js b/web/public/node_modules/lodash/fp/intersectionWith.js
new file mode 100644
index 000000000..e064f400f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/intersectionWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('intersectionWith', require('../intersectionWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/invert.js b/web/public/node_modules/lodash/fp/invert.js
new file mode 100644
index 000000000..2d5d1f0d4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invert.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('invert', require('../invert'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/invertBy.js b/web/public/node_modules/lodash/fp/invertBy.js
new file mode 100644
index 000000000..63ca97ecb
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invertBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('invertBy', require('../invertBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/invertObj.js b/web/public/node_modules/lodash/fp/invertObj.js
new file mode 100644
index 000000000..f1d842e49
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invertObj.js
@@ -0,0 +1 @@
+module.exports = require('./invert');
diff --git a/web/public/node_modules/lodash/fp/invoke.js b/web/public/node_modules/lodash/fp/invoke.js
new file mode 100644
index 000000000..fcf17f0d5
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invoke.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('invoke', require('../invoke'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/invokeArgs.js b/web/public/node_modules/lodash/fp/invokeArgs.js
new file mode 100644
index 000000000..d3f2953fa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invokeArgs.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('invokeArgs', require('../invoke'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/invokeArgsMap.js b/web/public/node_modules/lodash/fp/invokeArgsMap.js
new file mode 100644
index 000000000..eaa9f84ff
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invokeArgsMap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('invokeArgsMap', require('../invokeMap'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/invokeMap.js b/web/public/node_modules/lodash/fp/invokeMap.js
new file mode 100644
index 000000000..6515fd73f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/invokeMap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('invokeMap', require('../invokeMap'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isArguments.js b/web/public/node_modules/lodash/fp/isArguments.js
new file mode 100644
index 000000000..1d93c9e59
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isArguments.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isArguments', require('../isArguments'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isArray.js b/web/public/node_modules/lodash/fp/isArray.js
new file mode 100644
index 000000000..ba7ade8dd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isArray.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isArray', require('../isArray'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isArrayBuffer.js b/web/public/node_modules/lodash/fp/isArrayBuffer.js
new file mode 100644
index 000000000..5088513fa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isArrayBuffer.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isArrayBuffer', require('../isArrayBuffer'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isArrayLike.js b/web/public/node_modules/lodash/fp/isArrayLike.js
new file mode 100644
index 000000000..8f1856bf6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isArrayLike.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isArrayLike', require('../isArrayLike'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isArrayLikeObject.js b/web/public/node_modules/lodash/fp/isArrayLikeObject.js
new file mode 100644
index 000000000..21084984b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isArrayLikeObject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isArrayLikeObject', require('../isArrayLikeObject'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isBoolean.js b/web/public/node_modules/lodash/fp/isBoolean.js
new file mode 100644
index 000000000..9339f75b1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isBoolean.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isBoolean', require('../isBoolean'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isBuffer.js b/web/public/node_modules/lodash/fp/isBuffer.js
new file mode 100644
index 000000000..e60b12381
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isBuffer.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isBuffer', require('../isBuffer'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isDate.js b/web/public/node_modules/lodash/fp/isDate.js
new file mode 100644
index 000000000..dc41d089e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isDate.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isDate', require('../isDate'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isElement.js b/web/public/node_modules/lodash/fp/isElement.js
new file mode 100644
index 000000000..18ee039a2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isElement.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isElement', require('../isElement'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isEmpty.js b/web/public/node_modules/lodash/fp/isEmpty.js
new file mode 100644
index 000000000..0f4ae841e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isEmpty.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isEmpty', require('../isEmpty'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isEqual.js b/web/public/node_modules/lodash/fp/isEqual.js
new file mode 100644
index 000000000..41383865f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isEqual.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isEqual', require('../isEqual'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isEqualWith.js b/web/public/node_modules/lodash/fp/isEqualWith.js
new file mode 100644
index 000000000..029ff5cda
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isEqualWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isEqualWith', require('../isEqualWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isError.js b/web/public/node_modules/lodash/fp/isError.js
new file mode 100644
index 000000000..3dfd81ccc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isError.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isError', require('../isError'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isFinite.js b/web/public/node_modules/lodash/fp/isFinite.js
new file mode 100644
index 000000000..0b647b841
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isFinite.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isFinite', require('../isFinite'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isFunction.js b/web/public/node_modules/lodash/fp/isFunction.js
new file mode 100644
index 000000000..ff8e5c458
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isFunction.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isFunction', require('../isFunction'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isInteger.js b/web/public/node_modules/lodash/fp/isInteger.js
new file mode 100644
index 000000000..67af4ff6d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isInteger.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isInteger', require('../isInteger'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isLength.js b/web/public/node_modules/lodash/fp/isLength.js
new file mode 100644
index 000000000..fc101c5a6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isLength.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isLength', require('../isLength'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isMap.js b/web/public/node_modules/lodash/fp/isMap.js
new file mode 100644
index 000000000..a209aa66f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isMap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isMap', require('../isMap'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isMatch.js b/web/public/node_modules/lodash/fp/isMatch.js
new file mode 100644
index 000000000..6264ca17f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isMatch.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isMatch', require('../isMatch'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isMatchWith.js b/web/public/node_modules/lodash/fp/isMatchWith.js
new file mode 100644
index 000000000..d95f31935
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isMatchWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isMatchWith', require('../isMatchWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isNaN.js b/web/public/node_modules/lodash/fp/isNaN.js
new file mode 100644
index 000000000..66a978f11
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isNaN.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isNaN', require('../isNaN'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isNative.js b/web/public/node_modules/lodash/fp/isNative.js
new file mode 100644
index 000000000..3d775ba95
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isNative.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isNative', require('../isNative'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isNil.js b/web/public/node_modules/lodash/fp/isNil.js
new file mode 100644
index 000000000..5952c028a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isNil.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isNil', require('../isNil'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isNull.js b/web/public/node_modules/lodash/fp/isNull.js
new file mode 100644
index 000000000..f201a354b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isNull.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isNull', require('../isNull'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isNumber.js b/web/public/node_modules/lodash/fp/isNumber.js
new file mode 100644
index 000000000..a2b5fa049
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isNumber.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isNumber', require('../isNumber'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isObject.js b/web/public/node_modules/lodash/fp/isObject.js
new file mode 100644
index 000000000..231ace03b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isObject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isObject', require('../isObject'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isObjectLike.js b/web/public/node_modules/lodash/fp/isObjectLike.js
new file mode 100644
index 000000000..f16082e6f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isObjectLike.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isObjectLike', require('../isObjectLike'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isPlainObject.js b/web/public/node_modules/lodash/fp/isPlainObject.js
new file mode 100644
index 000000000..b5bea90d3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isPlainObject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isPlainObject', require('../isPlainObject'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isRegExp.js b/web/public/node_modules/lodash/fp/isRegExp.js
new file mode 100644
index 000000000..12a1a3d71
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isRegExp.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isRegExp', require('../isRegExp'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isSafeInteger.js b/web/public/node_modules/lodash/fp/isSafeInteger.js
new file mode 100644
index 000000000..7230f5520
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isSafeInteger.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isSafeInteger', require('../isSafeInteger'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isSet.js b/web/public/node_modules/lodash/fp/isSet.js
new file mode 100644
index 000000000..35c01f6fa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isSet.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isSet', require('../isSet'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isString.js b/web/public/node_modules/lodash/fp/isString.js
new file mode 100644
index 000000000..1fd0679ef
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isString.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isString', require('../isString'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isSymbol.js b/web/public/node_modules/lodash/fp/isSymbol.js
new file mode 100644
index 000000000..38676956d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isSymbol.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isSymbol', require('../isSymbol'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isTypedArray.js b/web/public/node_modules/lodash/fp/isTypedArray.js
new file mode 100644
index 000000000..856795387
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isTypedArray.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isTypedArray', require('../isTypedArray'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isUndefined.js b/web/public/node_modules/lodash/fp/isUndefined.js
new file mode 100644
index 000000000..ddbca31ca
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isUndefined.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isUndefined', require('../isUndefined'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isWeakMap.js b/web/public/node_modules/lodash/fp/isWeakMap.js
new file mode 100644
index 000000000..ef60c613c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isWeakMap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isWeakMap', require('../isWeakMap'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/isWeakSet.js b/web/public/node_modules/lodash/fp/isWeakSet.js
new file mode 100644
index 000000000..c99bfaa6d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/isWeakSet.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('isWeakSet', require('../isWeakSet'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/iteratee.js b/web/public/node_modules/lodash/fp/iteratee.js
new file mode 100644
index 000000000..9f0f71738
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/iteratee.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('iteratee', require('../iteratee'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/join.js b/web/public/node_modules/lodash/fp/join.js
new file mode 100644
index 000000000..a220e003c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/join.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('join', require('../join'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/juxt.js b/web/public/node_modules/lodash/fp/juxt.js
new file mode 100644
index 000000000..f71e04e00
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/juxt.js
@@ -0,0 +1 @@
+module.exports = require('./over');
diff --git a/web/public/node_modules/lodash/fp/kebabCase.js b/web/public/node_modules/lodash/fp/kebabCase.js
new file mode 100644
index 000000000..60737f17c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/kebabCase.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('kebabCase', require('../kebabCase'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/keyBy.js b/web/public/node_modules/lodash/fp/keyBy.js
new file mode 100644
index 000000000..9a6a85d42
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/keyBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('keyBy', require('../keyBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/keys.js b/web/public/node_modules/lodash/fp/keys.js
new file mode 100644
index 000000000..e12bb07f1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/keys.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('keys', require('../keys'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/keysIn.js b/web/public/node_modules/lodash/fp/keysIn.js
new file mode 100644
index 000000000..f3eb36a8d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/keysIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('keysIn', require('../keysIn'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lang.js b/web/public/node_modules/lodash/fp/lang.js
new file mode 100644
index 000000000..08cc9c14b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lang.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../lang'));
diff --git a/web/public/node_modules/lodash/fp/last.js b/web/public/node_modules/lodash/fp/last.js
new file mode 100644
index 000000000..0f716993f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/last.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('last', require('../last'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lastIndexOf.js b/web/public/node_modules/lodash/fp/lastIndexOf.js
new file mode 100644
index 000000000..ddf39c301
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lastIndexOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('lastIndexOf', require('../lastIndexOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lastIndexOfFrom.js b/web/public/node_modules/lodash/fp/lastIndexOfFrom.js
new file mode 100644
index 000000000..1ff6a0b5a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lastIndexOfFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('lastIndexOfFrom', require('../lastIndexOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lowerCase.js b/web/public/node_modules/lodash/fp/lowerCase.js
new file mode 100644
index 000000000..ea64bc15d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lowerCase.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('lowerCase', require('../lowerCase'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lowerFirst.js b/web/public/node_modules/lodash/fp/lowerFirst.js
new file mode 100644
index 000000000..539720a3d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lowerFirst.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('lowerFirst', require('../lowerFirst'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lt.js b/web/public/node_modules/lodash/fp/lt.js
new file mode 100644
index 000000000..a31d21ecc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lt.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('lt', require('../lt'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/lte.js b/web/public/node_modules/lodash/fp/lte.js
new file mode 100644
index 000000000..d795d10ee
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/lte.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('lte', require('../lte'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/map.js b/web/public/node_modules/lodash/fp/map.js
new file mode 100644
index 000000000..cf9879436
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/map.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('map', require('../map'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mapKeys.js b/web/public/node_modules/lodash/fp/mapKeys.js
new file mode 100644
index 000000000..168458709
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mapKeys.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mapKeys', require('../mapKeys'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mapValues.js b/web/public/node_modules/lodash/fp/mapValues.js
new file mode 100644
index 000000000..400497275
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mapValues.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mapValues', require('../mapValues'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/matches.js b/web/public/node_modules/lodash/fp/matches.js
new file mode 100644
index 000000000..29d1e1e4f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/matches.js
@@ -0,0 +1 @@
+module.exports = require('./isMatch');
diff --git a/web/public/node_modules/lodash/fp/matchesProperty.js b/web/public/node_modules/lodash/fp/matchesProperty.js
new file mode 100644
index 000000000..4575bd243
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/matchesProperty.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('matchesProperty', require('../matchesProperty'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/math.js b/web/public/node_modules/lodash/fp/math.js
new file mode 100644
index 000000000..e8f50f792
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/math.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../math'));
diff --git a/web/public/node_modules/lodash/fp/max.js b/web/public/node_modules/lodash/fp/max.js
new file mode 100644
index 000000000..a66acac22
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/max.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('max', require('../max'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/maxBy.js b/web/public/node_modules/lodash/fp/maxBy.js
new file mode 100644
index 000000000..d083fd64f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/maxBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('maxBy', require('../maxBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mean.js b/web/public/node_modules/lodash/fp/mean.js
new file mode 100644
index 000000000..31172460c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mean.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mean', require('../mean'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/meanBy.js b/web/public/node_modules/lodash/fp/meanBy.js
new file mode 100644
index 000000000..556f25edf
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/meanBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('meanBy', require('../meanBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/memoize.js b/web/public/node_modules/lodash/fp/memoize.js
new file mode 100644
index 000000000..638eec63b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/memoize.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('memoize', require('../memoize'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/merge.js b/web/public/node_modules/lodash/fp/merge.js
new file mode 100644
index 000000000..ac66adde1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/merge.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('merge', require('../merge'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mergeAll.js b/web/public/node_modules/lodash/fp/mergeAll.js
new file mode 100644
index 000000000..a3674d671
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mergeAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mergeAll', require('../merge'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mergeAllWith.js b/web/public/node_modules/lodash/fp/mergeAllWith.js
new file mode 100644
index 000000000..4bd4206dc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mergeAllWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mergeAllWith', require('../mergeWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mergeWith.js b/web/public/node_modules/lodash/fp/mergeWith.js
new file mode 100644
index 000000000..00d44d5e1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mergeWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mergeWith', require('../mergeWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/method.js b/web/public/node_modules/lodash/fp/method.js
new file mode 100644
index 000000000..f4060c687
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/method.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('method', require('../method'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/methodOf.js b/web/public/node_modules/lodash/fp/methodOf.js
new file mode 100644
index 000000000..61399056f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/methodOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('methodOf', require('../methodOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/min.js b/web/public/node_modules/lodash/fp/min.js
new file mode 100644
index 000000000..d12c6b40d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/min.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('min', require('../min'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/minBy.js b/web/public/node_modules/lodash/fp/minBy.js
new file mode 100644
index 000000000..fdb9e24d8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/minBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('minBy', require('../minBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/mixin.js b/web/public/node_modules/lodash/fp/mixin.js
new file mode 100644
index 000000000..332e6fbfd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/mixin.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('mixin', require('../mixin'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/multiply.js b/web/public/node_modules/lodash/fp/multiply.js
new file mode 100644
index 000000000..4dcf0b0d4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/multiply.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('multiply', require('../multiply'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/nAry.js b/web/public/node_modules/lodash/fp/nAry.js
new file mode 100644
index 000000000..f262a76cc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/nAry.js
@@ -0,0 +1 @@
+module.exports = require('./ary');
diff --git a/web/public/node_modules/lodash/fp/negate.js b/web/public/node_modules/lodash/fp/negate.js
new file mode 100644
index 000000000..8b6dc7c5b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/negate.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('negate', require('../negate'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/next.js b/web/public/node_modules/lodash/fp/next.js
new file mode 100644
index 000000000..140155e23
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/next.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('next', require('../next'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/noop.js b/web/public/node_modules/lodash/fp/noop.js
new file mode 100644
index 000000000..b9e32cc8c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/noop.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('noop', require('../noop'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/now.js b/web/public/node_modules/lodash/fp/now.js
new file mode 100644
index 000000000..6de2068aa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/now.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('now', require('../now'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/nth.js b/web/public/node_modules/lodash/fp/nth.js
new file mode 100644
index 000000000..da4fda740
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/nth.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('nth', require('../nth'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/nthArg.js b/web/public/node_modules/lodash/fp/nthArg.js
new file mode 100644
index 000000000..fce316594
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/nthArg.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('nthArg', require('../nthArg'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/number.js b/web/public/node_modules/lodash/fp/number.js
new file mode 100644
index 000000000..5c10b8842
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/number.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../number'));
diff --git a/web/public/node_modules/lodash/fp/object.js b/web/public/node_modules/lodash/fp/object.js
new file mode 100644
index 000000000..ae39a1346
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/object.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../object'));
diff --git a/web/public/node_modules/lodash/fp/omit.js b/web/public/node_modules/lodash/fp/omit.js
new file mode 100644
index 000000000..fd685291e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/omit.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('omit', require('../omit'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/omitAll.js b/web/public/node_modules/lodash/fp/omitAll.js
new file mode 100644
index 000000000..144cf4b96
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/omitAll.js
@@ -0,0 +1 @@
+module.exports = require('./omit');
diff --git a/web/public/node_modules/lodash/fp/omitBy.js b/web/public/node_modules/lodash/fp/omitBy.js
new file mode 100644
index 000000000..90df73802
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/omitBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('omitBy', require('../omitBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/once.js b/web/public/node_modules/lodash/fp/once.js
new file mode 100644
index 000000000..f8f0a5c73
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/once.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('once', require('../once'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/orderBy.js b/web/public/node_modules/lodash/fp/orderBy.js
new file mode 100644
index 000000000..848e21075
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/orderBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('orderBy', require('../orderBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/over.js b/web/public/node_modules/lodash/fp/over.js
new file mode 100644
index 000000000..01eba7b98
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/over.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('over', require('../over'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/overArgs.js b/web/public/node_modules/lodash/fp/overArgs.js
new file mode 100644
index 000000000..738556f0c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/overArgs.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('overArgs', require('../overArgs'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/overEvery.js b/web/public/node_modules/lodash/fp/overEvery.js
new file mode 100644
index 000000000..9f5a032dc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/overEvery.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('overEvery', require('../overEvery'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/overSome.js b/web/public/node_modules/lodash/fp/overSome.js
new file mode 100644
index 000000000..15939d586
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/overSome.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('overSome', require('../overSome'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pad.js b/web/public/node_modules/lodash/fp/pad.js
new file mode 100644
index 000000000..f1dea4a98
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pad.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pad', require('../pad'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/padChars.js b/web/public/node_modules/lodash/fp/padChars.js
new file mode 100644
index 000000000..d6e0804cd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/padChars.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('padChars', require('../pad'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/padCharsEnd.js b/web/public/node_modules/lodash/fp/padCharsEnd.js
new file mode 100644
index 000000000..d4ab79ad3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/padCharsEnd.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('padCharsEnd', require('../padEnd'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/padCharsStart.js b/web/public/node_modules/lodash/fp/padCharsStart.js
new file mode 100644
index 000000000..a08a30000
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/padCharsStart.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('padCharsStart', require('../padStart'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/padEnd.js b/web/public/node_modules/lodash/fp/padEnd.js
new file mode 100644
index 000000000..a8522ec36
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/padEnd.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('padEnd', require('../padEnd'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/padStart.js b/web/public/node_modules/lodash/fp/padStart.js
new file mode 100644
index 000000000..f4ca79d4a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/padStart.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('padStart', require('../padStart'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/parseInt.js b/web/public/node_modules/lodash/fp/parseInt.js
new file mode 100644
index 000000000..27314ccbc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/parseInt.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('parseInt', require('../parseInt'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/partial.js b/web/public/node_modules/lodash/fp/partial.js
new file mode 100644
index 000000000..5d4601598
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/partial.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('partial', require('../partial'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/partialRight.js b/web/public/node_modules/lodash/fp/partialRight.js
new file mode 100644
index 000000000..7f05fed0a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/partialRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('partialRight', require('../partialRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/partition.js b/web/public/node_modules/lodash/fp/partition.js
new file mode 100644
index 000000000..2ebcacc1f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/partition.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('partition', require('../partition'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/path.js b/web/public/node_modules/lodash/fp/path.js
new file mode 100644
index 000000000..b29cfb213
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/path.js
@@ -0,0 +1 @@
+module.exports = require('./get');
diff --git a/web/public/node_modules/lodash/fp/pathEq.js b/web/public/node_modules/lodash/fp/pathEq.js
new file mode 100644
index 000000000..36c027a38
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pathEq.js
@@ -0,0 +1 @@
+module.exports = require('./matchesProperty');
diff --git a/web/public/node_modules/lodash/fp/pathOr.js b/web/public/node_modules/lodash/fp/pathOr.js
new file mode 100644
index 000000000..4ab582091
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pathOr.js
@@ -0,0 +1 @@
+module.exports = require('./getOr');
diff --git a/web/public/node_modules/lodash/fp/paths.js b/web/public/node_modules/lodash/fp/paths.js
new file mode 100644
index 000000000..1eb7950ac
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/paths.js
@@ -0,0 +1 @@
+module.exports = require('./at');
diff --git a/web/public/node_modules/lodash/fp/pick.js b/web/public/node_modules/lodash/fp/pick.js
new file mode 100644
index 000000000..197393de1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pick.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pick', require('../pick'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pickAll.js b/web/public/node_modules/lodash/fp/pickAll.js
new file mode 100644
index 000000000..a8ecd4613
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pickAll.js
@@ -0,0 +1 @@
+module.exports = require('./pick');
diff --git a/web/public/node_modules/lodash/fp/pickBy.js b/web/public/node_modules/lodash/fp/pickBy.js
new file mode 100644
index 000000000..d832d16b6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pickBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pickBy', require('../pickBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pipe.js b/web/public/node_modules/lodash/fp/pipe.js
new file mode 100644
index 000000000..b2e1e2cc8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pipe.js
@@ -0,0 +1 @@
+module.exports = require('./flow');
diff --git a/web/public/node_modules/lodash/fp/placeholder.js b/web/public/node_modules/lodash/fp/placeholder.js
new file mode 100644
index 000000000..1ce17393b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/placeholder.js
@@ -0,0 +1,6 @@
+/**
+ * The default argument placeholder value for methods.
+ *
+ * @type {Object}
+ */
+module.exports = {};
diff --git a/web/public/node_modules/lodash/fp/plant.js b/web/public/node_modules/lodash/fp/plant.js
new file mode 100644
index 000000000..eca8f32b4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/plant.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('plant', require('../plant'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pluck.js b/web/public/node_modules/lodash/fp/pluck.js
new file mode 100644
index 000000000..0d1e1abfa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pluck.js
@@ -0,0 +1 @@
+module.exports = require('./map');
diff --git a/web/public/node_modules/lodash/fp/prop.js b/web/public/node_modules/lodash/fp/prop.js
new file mode 100644
index 000000000..b29cfb213
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/prop.js
@@ -0,0 +1 @@
+module.exports = require('./get');
diff --git a/web/public/node_modules/lodash/fp/propEq.js b/web/public/node_modules/lodash/fp/propEq.js
new file mode 100644
index 000000000..36c027a38
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/propEq.js
@@ -0,0 +1 @@
+module.exports = require('./matchesProperty');
diff --git a/web/public/node_modules/lodash/fp/propOr.js b/web/public/node_modules/lodash/fp/propOr.js
new file mode 100644
index 000000000..4ab582091
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/propOr.js
@@ -0,0 +1 @@
+module.exports = require('./getOr');
diff --git a/web/public/node_modules/lodash/fp/property.js b/web/public/node_modules/lodash/fp/property.js
new file mode 100644
index 000000000..b29cfb213
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/property.js
@@ -0,0 +1 @@
+module.exports = require('./get');
diff --git a/web/public/node_modules/lodash/fp/propertyOf.js b/web/public/node_modules/lodash/fp/propertyOf.js
new file mode 100644
index 000000000..f6273ee47
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/propertyOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('propertyOf', require('../get'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/props.js b/web/public/node_modules/lodash/fp/props.js
new file mode 100644
index 000000000..1eb7950ac
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/props.js
@@ -0,0 +1 @@
+module.exports = require('./at');
diff --git a/web/public/node_modules/lodash/fp/pull.js b/web/public/node_modules/lodash/fp/pull.js
new file mode 100644
index 000000000..8d7084f07
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pull.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pull', require('../pull'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pullAll.js b/web/public/node_modules/lodash/fp/pullAll.js
new file mode 100644
index 000000000..98d5c9a73
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pullAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pullAll', require('../pullAll'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pullAllBy.js b/web/public/node_modules/lodash/fp/pullAllBy.js
new file mode 100644
index 000000000..876bc3bf1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pullAllBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pullAllBy', require('../pullAllBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pullAllWith.js b/web/public/node_modules/lodash/fp/pullAllWith.js
new file mode 100644
index 000000000..f71ba4d73
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pullAllWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pullAllWith', require('../pullAllWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/pullAt.js b/web/public/node_modules/lodash/fp/pullAt.js
new file mode 100644
index 000000000..e8b3bb612
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/pullAt.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('pullAt', require('../pullAt'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/random.js b/web/public/node_modules/lodash/fp/random.js
new file mode 100644
index 000000000..99d852e4a
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/random.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('random', require('../random'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/range.js b/web/public/node_modules/lodash/fp/range.js
new file mode 100644
index 000000000..a6bb59118
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/range.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('range', require('../range'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/rangeRight.js b/web/public/node_modules/lodash/fp/rangeRight.js
new file mode 100644
index 000000000..fdb712f94
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/rangeRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('rangeRight', require('../rangeRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/rangeStep.js b/web/public/node_modules/lodash/fp/rangeStep.js
new file mode 100644
index 000000000..d72dfc200
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/rangeStep.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('rangeStep', require('../range'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/rangeStepRight.js b/web/public/node_modules/lodash/fp/rangeStepRight.js
new file mode 100644
index 000000000..8b2a67bc6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/rangeStepRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('rangeStepRight', require('../rangeRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/rearg.js b/web/public/node_modules/lodash/fp/rearg.js
new file mode 100644
index 000000000..678e02a32
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/rearg.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('rearg', require('../rearg'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/reduce.js b/web/public/node_modules/lodash/fp/reduce.js
new file mode 100644
index 000000000..4cef0a008
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/reduce.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('reduce', require('../reduce'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/reduceRight.js b/web/public/node_modules/lodash/fp/reduceRight.js
new file mode 100644
index 000000000..caf5bb515
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/reduceRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('reduceRight', require('../reduceRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/reject.js b/web/public/node_modules/lodash/fp/reject.js
new file mode 100644
index 000000000..c16327386
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/reject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('reject', require('../reject'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/remove.js b/web/public/node_modules/lodash/fp/remove.js
new file mode 100644
index 000000000..e9d132736
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/remove.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('remove', require('../remove'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/repeat.js b/web/public/node_modules/lodash/fp/repeat.js
new file mode 100644
index 000000000..08470f247
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/repeat.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('repeat', require('../repeat'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/replace.js b/web/public/node_modules/lodash/fp/replace.js
new file mode 100644
index 000000000..2227db625
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/replace.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('replace', require('../replace'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/rest.js b/web/public/node_modules/lodash/fp/rest.js
new file mode 100644
index 000000000..c1f3d64bd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/rest.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('rest', require('../rest'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/restFrom.js b/web/public/node_modules/lodash/fp/restFrom.js
new file mode 100644
index 000000000..714e42b5d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/restFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('restFrom', require('../rest'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/result.js b/web/public/node_modules/lodash/fp/result.js
new file mode 100644
index 000000000..f86ce0712
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/result.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('result', require('../result'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/reverse.js b/web/public/node_modules/lodash/fp/reverse.js
new file mode 100644
index 000000000..07c9f5e49
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/reverse.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('reverse', require('../reverse'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/round.js b/web/public/node_modules/lodash/fp/round.js
new file mode 100644
index 000000000..4c0e5c829
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/round.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('round', require('../round'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sample.js b/web/public/node_modules/lodash/fp/sample.js
new file mode 100644
index 000000000..6bea1254d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sample.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sample', require('../sample'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sampleSize.js b/web/public/node_modules/lodash/fp/sampleSize.js
new file mode 100644
index 000000000..359ed6fcd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sampleSize.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sampleSize', require('../sampleSize'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/seq.js b/web/public/node_modules/lodash/fp/seq.js
new file mode 100644
index 000000000..d8f42b0a4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/seq.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../seq'));
diff --git a/web/public/node_modules/lodash/fp/set.js b/web/public/node_modules/lodash/fp/set.js
new file mode 100644
index 000000000..0b56a56c8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/set.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('set', require('../set'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/setWith.js b/web/public/node_modules/lodash/fp/setWith.js
new file mode 100644
index 000000000..0b584952b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/setWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('setWith', require('../setWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/shuffle.js b/web/public/node_modules/lodash/fp/shuffle.js
new file mode 100644
index 000000000..aa3a1ca5b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/shuffle.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('shuffle', require('../shuffle'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/size.js b/web/public/node_modules/lodash/fp/size.js
new file mode 100644
index 000000000..7490136e1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/size.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('size', require('../size'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/slice.js b/web/public/node_modules/lodash/fp/slice.js
new file mode 100644
index 000000000..15945d321
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/slice.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('slice', require('../slice'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/snakeCase.js b/web/public/node_modules/lodash/fp/snakeCase.js
new file mode 100644
index 000000000..a0ff7808e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/snakeCase.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('snakeCase', require('../snakeCase'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/some.js b/web/public/node_modules/lodash/fp/some.js
new file mode 100644
index 000000000..a4fa2d006
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/some.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('some', require('../some'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortBy.js b/web/public/node_modules/lodash/fp/sortBy.js
new file mode 100644
index 000000000..e0790ad5b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortBy', require('../sortBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedIndex.js b/web/public/node_modules/lodash/fp/sortedIndex.js
new file mode 100644
index 000000000..364a05435
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedIndex.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedIndex', require('../sortedIndex'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedIndexBy.js b/web/public/node_modules/lodash/fp/sortedIndexBy.js
new file mode 100644
index 000000000..9593dbd13
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedIndexBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedIndexBy', require('../sortedIndexBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedIndexOf.js b/web/public/node_modules/lodash/fp/sortedIndexOf.js
new file mode 100644
index 000000000..c9084cab6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedIndexOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedIndexOf', require('../sortedIndexOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedLastIndex.js b/web/public/node_modules/lodash/fp/sortedLastIndex.js
new file mode 100644
index 000000000..47fe241af
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedLastIndex.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedLastIndex', require('../sortedLastIndex'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedLastIndexBy.js b/web/public/node_modules/lodash/fp/sortedLastIndexBy.js
new file mode 100644
index 000000000..0f9a34732
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedLastIndexBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedLastIndexBy', require('../sortedLastIndexBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedLastIndexOf.js b/web/public/node_modules/lodash/fp/sortedLastIndexOf.js
new file mode 100644
index 000000000..0d4d93278
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedLastIndexOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedLastIndexOf', require('../sortedLastIndexOf'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedUniq.js b/web/public/node_modules/lodash/fp/sortedUniq.js
new file mode 100644
index 000000000..882d28370
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedUniq.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedUniq', require('../sortedUniq'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sortedUniqBy.js b/web/public/node_modules/lodash/fp/sortedUniqBy.js
new file mode 100644
index 000000000..033db91ca
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sortedUniqBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sortedUniqBy', require('../sortedUniqBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/split.js b/web/public/node_modules/lodash/fp/split.js
new file mode 100644
index 000000000..14de1a7ef
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/split.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('split', require('../split'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/spread.js b/web/public/node_modules/lodash/fp/spread.js
new file mode 100644
index 000000000..2d11b7072
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/spread.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('spread', require('../spread'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/spreadFrom.js b/web/public/node_modules/lodash/fp/spreadFrom.js
new file mode 100644
index 000000000..0b630df1b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/spreadFrom.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('spreadFrom', require('../spread'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/startCase.js b/web/public/node_modules/lodash/fp/startCase.js
new file mode 100644
index 000000000..ada98c943
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/startCase.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('startCase', require('../startCase'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/startsWith.js b/web/public/node_modules/lodash/fp/startsWith.js
new file mode 100644
index 000000000..985e2f294
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/startsWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('startsWith', require('../startsWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/string.js b/web/public/node_modules/lodash/fp/string.js
new file mode 100644
index 000000000..773b03704
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/string.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../string'));
diff --git a/web/public/node_modules/lodash/fp/stubArray.js b/web/public/node_modules/lodash/fp/stubArray.js
new file mode 100644
index 000000000..cd604cb49
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/stubArray.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('stubArray', require('../stubArray'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/stubFalse.js b/web/public/node_modules/lodash/fp/stubFalse.js
new file mode 100644
index 000000000..329666454
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/stubFalse.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('stubFalse', require('../stubFalse'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/stubObject.js b/web/public/node_modules/lodash/fp/stubObject.js
new file mode 100644
index 000000000..c6c8ec472
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/stubObject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('stubObject', require('../stubObject'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/stubString.js b/web/public/node_modules/lodash/fp/stubString.js
new file mode 100644
index 000000000..701051e8b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/stubString.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('stubString', require('../stubString'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/stubTrue.js b/web/public/node_modules/lodash/fp/stubTrue.js
new file mode 100644
index 000000000..9249082ce
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/stubTrue.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('stubTrue', require('../stubTrue'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/subtract.js b/web/public/node_modules/lodash/fp/subtract.js
new file mode 100644
index 000000000..d32b16d47
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/subtract.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('subtract', require('../subtract'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sum.js b/web/public/node_modules/lodash/fp/sum.js
new file mode 100644
index 000000000..5cce12b32
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sum.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sum', require('../sum'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/sumBy.js b/web/public/node_modules/lodash/fp/sumBy.js
new file mode 100644
index 000000000..c8826565f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/sumBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('sumBy', require('../sumBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/symmetricDifference.js b/web/public/node_modules/lodash/fp/symmetricDifference.js
new file mode 100644
index 000000000..78c16add6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/symmetricDifference.js
@@ -0,0 +1 @@
+module.exports = require('./xor');
diff --git a/web/public/node_modules/lodash/fp/symmetricDifferenceBy.js b/web/public/node_modules/lodash/fp/symmetricDifferenceBy.js
new file mode 100644
index 000000000..298fc7ff6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/symmetricDifferenceBy.js
@@ -0,0 +1 @@
+module.exports = require('./xorBy');
diff --git a/web/public/node_modules/lodash/fp/symmetricDifferenceWith.js b/web/public/node_modules/lodash/fp/symmetricDifferenceWith.js
new file mode 100644
index 000000000..70bc6faf2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/symmetricDifferenceWith.js
@@ -0,0 +1 @@
+module.exports = require('./xorWith');
diff --git a/web/public/node_modules/lodash/fp/tail.js b/web/public/node_modules/lodash/fp/tail.js
new file mode 100644
index 000000000..f122f0ac3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/tail.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('tail', require('../tail'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/take.js b/web/public/node_modules/lodash/fp/take.js
new file mode 100644
index 000000000..9af98a7bd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/take.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('take', require('../take'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/takeLast.js b/web/public/node_modules/lodash/fp/takeLast.js
new file mode 100644
index 000000000..e98c84a16
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/takeLast.js
@@ -0,0 +1 @@
+module.exports = require('./takeRight');
diff --git a/web/public/node_modules/lodash/fp/takeLastWhile.js b/web/public/node_modules/lodash/fp/takeLastWhile.js
new file mode 100644
index 000000000..5367968a3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/takeLastWhile.js
@@ -0,0 +1 @@
+module.exports = require('./takeRightWhile');
diff --git a/web/public/node_modules/lodash/fp/takeRight.js b/web/public/node_modules/lodash/fp/takeRight.js
new file mode 100644
index 000000000..b82950a69
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/takeRight.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('takeRight', require('../takeRight'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/takeRightWhile.js b/web/public/node_modules/lodash/fp/takeRightWhile.js
new file mode 100644
index 000000000..8ffb0a285
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/takeRightWhile.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('takeRightWhile', require('../takeRightWhile'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/takeWhile.js b/web/public/node_modules/lodash/fp/takeWhile.js
new file mode 100644
index 000000000..28136644f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/takeWhile.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('takeWhile', require('../takeWhile'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/tap.js b/web/public/node_modules/lodash/fp/tap.js
new file mode 100644
index 000000000..d33ad6ec1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/tap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('tap', require('../tap'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/template.js b/web/public/node_modules/lodash/fp/template.js
new file mode 100644
index 000000000..74857e1c8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/template.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('template', require('../template'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/templateSettings.js b/web/public/node_modules/lodash/fp/templateSettings.js
new file mode 100644
index 000000000..7bcc0a82b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/templateSettings.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('templateSettings', require('../templateSettings'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/throttle.js b/web/public/node_modules/lodash/fp/throttle.js
new file mode 100644
index 000000000..77fff1428
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/throttle.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('throttle', require('../throttle'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/thru.js b/web/public/node_modules/lodash/fp/thru.js
new file mode 100644
index 000000000..d42b3b1d8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/thru.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('thru', require('../thru'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/times.js b/web/public/node_modules/lodash/fp/times.js
new file mode 100644
index 000000000..0dab06dad
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/times.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('times', require('../times'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toArray.js b/web/public/node_modules/lodash/fp/toArray.js
new file mode 100644
index 000000000..f0c360aca
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toArray.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toArray', require('../toArray'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toFinite.js b/web/public/node_modules/lodash/fp/toFinite.js
new file mode 100644
index 000000000..3a47687d6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toFinite.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toFinite', require('../toFinite'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toInteger.js b/web/public/node_modules/lodash/fp/toInteger.js
new file mode 100644
index 000000000..e0af6a750
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toInteger.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toInteger', require('../toInteger'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toIterator.js b/web/public/node_modules/lodash/fp/toIterator.js
new file mode 100644
index 000000000..65e6baa9d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toIterator.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toIterator', require('../toIterator'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toJSON.js b/web/public/node_modules/lodash/fp/toJSON.js
new file mode 100644
index 000000000..2d718d0bc
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toJSON.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toJSON', require('../toJSON'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toLength.js b/web/public/node_modules/lodash/fp/toLength.js
new file mode 100644
index 000000000..b97cdd935
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toLength.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toLength', require('../toLength'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toLower.js b/web/public/node_modules/lodash/fp/toLower.js
new file mode 100644
index 000000000..616ef36ad
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toLower.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toLower', require('../toLower'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toNumber.js b/web/public/node_modules/lodash/fp/toNumber.js
new file mode 100644
index 000000000..d0c6f4d3d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toNumber.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toNumber', require('../toNumber'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toPairs.js b/web/public/node_modules/lodash/fp/toPairs.js
new file mode 100644
index 000000000..af783786e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toPairs.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toPairs', require('../toPairs'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toPairsIn.js b/web/public/node_modules/lodash/fp/toPairsIn.js
new file mode 100644
index 000000000..66504abf1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toPairsIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toPairsIn', require('../toPairsIn'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toPath.js b/web/public/node_modules/lodash/fp/toPath.js
new file mode 100644
index 000000000..b4d5e50fb
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toPath.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toPath', require('../toPath'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toPlainObject.js b/web/public/node_modules/lodash/fp/toPlainObject.js
new file mode 100644
index 000000000..278bb8639
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toPlainObject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toPlainObject', require('../toPlainObject'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toSafeInteger.js b/web/public/node_modules/lodash/fp/toSafeInteger.js
new file mode 100644
index 000000000..367a26fdd
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toSafeInteger.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toSafeInteger', require('../toSafeInteger'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toString.js b/web/public/node_modules/lodash/fp/toString.js
new file mode 100644
index 000000000..cec4f8e22
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toString.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toString', require('../toString'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/toUpper.js b/web/public/node_modules/lodash/fp/toUpper.js
new file mode 100644
index 000000000..54f9a5605
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/toUpper.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('toUpper', require('../toUpper'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/transform.js b/web/public/node_modules/lodash/fp/transform.js
new file mode 100644
index 000000000..759d088f1
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/transform.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('transform', require('../transform'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/trim.js b/web/public/node_modules/lodash/fp/trim.js
new file mode 100644
index 000000000..e6319a741
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/trim.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('trim', require('../trim'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/trimChars.js b/web/public/node_modules/lodash/fp/trimChars.js
new file mode 100644
index 000000000..c9294de48
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/trimChars.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('trimChars', require('../trim'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/trimCharsEnd.js b/web/public/node_modules/lodash/fp/trimCharsEnd.js
new file mode 100644
index 000000000..284bc2f81
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/trimCharsEnd.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('trimCharsEnd', require('../trimEnd'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/trimCharsStart.js b/web/public/node_modules/lodash/fp/trimCharsStart.js
new file mode 100644
index 000000000..ff0ee65df
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/trimCharsStart.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('trimCharsStart', require('../trimStart'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/trimEnd.js b/web/public/node_modules/lodash/fp/trimEnd.js
new file mode 100644
index 000000000..71908805f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/trimEnd.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('trimEnd', require('../trimEnd'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/trimStart.js b/web/public/node_modules/lodash/fp/trimStart.js
new file mode 100644
index 000000000..fda902c38
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/trimStart.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('trimStart', require('../trimStart'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/truncate.js b/web/public/node_modules/lodash/fp/truncate.js
new file mode 100644
index 000000000..d265c1dec
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/truncate.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('truncate', require('../truncate'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unapply.js b/web/public/node_modules/lodash/fp/unapply.js
new file mode 100644
index 000000000..c5dfe779d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unapply.js
@@ -0,0 +1 @@
+module.exports = require('./rest');
diff --git a/web/public/node_modules/lodash/fp/unary.js b/web/public/node_modules/lodash/fp/unary.js
new file mode 100644
index 000000000..286c945fb
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unary.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unary', require('../unary'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unescape.js b/web/public/node_modules/lodash/fp/unescape.js
new file mode 100644
index 000000000..fddcb46e2
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unescape.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unescape', require('../unescape'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/union.js b/web/public/node_modules/lodash/fp/union.js
new file mode 100644
index 000000000..ef8228d74
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/union.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('union', require('../union'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unionBy.js b/web/public/node_modules/lodash/fp/unionBy.js
new file mode 100644
index 000000000..603687a18
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unionBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unionBy', require('../unionBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unionWith.js b/web/public/node_modules/lodash/fp/unionWith.js
new file mode 100644
index 000000000..65bb3a792
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unionWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unionWith', require('../unionWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/uniq.js b/web/public/node_modules/lodash/fp/uniq.js
new file mode 100644
index 000000000..bc1852490
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/uniq.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('uniq', require('../uniq'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/uniqBy.js b/web/public/node_modules/lodash/fp/uniqBy.js
new file mode 100644
index 000000000..634c6a8bb
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/uniqBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('uniqBy', require('../uniqBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/uniqWith.js b/web/public/node_modules/lodash/fp/uniqWith.js
new file mode 100644
index 000000000..0ec601a91
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/uniqWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('uniqWith', require('../uniqWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/uniqueId.js b/web/public/node_modules/lodash/fp/uniqueId.js
new file mode 100644
index 000000000..aa8fc2f73
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/uniqueId.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('uniqueId', require('../uniqueId'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unnest.js b/web/public/node_modules/lodash/fp/unnest.js
new file mode 100644
index 000000000..5d34060aa
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unnest.js
@@ -0,0 +1 @@
+module.exports = require('./flatten');
diff --git a/web/public/node_modules/lodash/fp/unset.js b/web/public/node_modules/lodash/fp/unset.js
new file mode 100644
index 000000000..ea203a0f3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unset.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unset', require('../unset'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unzip.js b/web/public/node_modules/lodash/fp/unzip.js
new file mode 100644
index 000000000..cc364b3c5
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unzip.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unzip', require('../unzip'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/unzipWith.js b/web/public/node_modules/lodash/fp/unzipWith.js
new file mode 100644
index 000000000..182eaa104
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/unzipWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('unzipWith', require('../unzipWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/update.js b/web/public/node_modules/lodash/fp/update.js
new file mode 100644
index 000000000..b8ce2cc9e
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/update.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('update', require('../update'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/updateWith.js b/web/public/node_modules/lodash/fp/updateWith.js
new file mode 100644
index 000000000..d5e8282d9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/updateWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('updateWith', require('../updateWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/upperCase.js b/web/public/node_modules/lodash/fp/upperCase.js
new file mode 100644
index 000000000..c886f2021
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/upperCase.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('upperCase', require('../upperCase'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/upperFirst.js b/web/public/node_modules/lodash/fp/upperFirst.js
new file mode 100644
index 000000000..d8c04df54
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/upperFirst.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('upperFirst', require('../upperFirst'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/useWith.js b/web/public/node_modules/lodash/fp/useWith.js
new file mode 100644
index 000000000..d8b3df5a4
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/useWith.js
@@ -0,0 +1 @@
+module.exports = require('./overArgs');
diff --git a/web/public/node_modules/lodash/fp/util.js b/web/public/node_modules/lodash/fp/util.js
new file mode 100644
index 000000000..18c00baed
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/util.js
@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../util'));
diff --git a/web/public/node_modules/lodash/fp/value.js b/web/public/node_modules/lodash/fp/value.js
new file mode 100644
index 000000000..555eec7a3
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/value.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('value', require('../value'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/valueOf.js b/web/public/node_modules/lodash/fp/valueOf.js
new file mode 100644
index 000000000..f968807d7
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/valueOf.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('valueOf', require('../valueOf'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/values.js b/web/public/node_modules/lodash/fp/values.js
new file mode 100644
index 000000000..2dfc56136
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/values.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('values', require('../values'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/valuesIn.js b/web/public/node_modules/lodash/fp/valuesIn.js
new file mode 100644
index 000000000..a1b2bb872
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/valuesIn.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('valuesIn', require('../valuesIn'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/where.js b/web/public/node_modules/lodash/fp/where.js
new file mode 100644
index 000000000..3247f64a8
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/where.js
@@ -0,0 +1 @@
+module.exports = require('./conformsTo');
diff --git a/web/public/node_modules/lodash/fp/whereEq.js b/web/public/node_modules/lodash/fp/whereEq.js
new file mode 100644
index 000000000..29d1e1e4f
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/whereEq.js
@@ -0,0 +1 @@
+module.exports = require('./isMatch');
diff --git a/web/public/node_modules/lodash/fp/without.js b/web/public/node_modules/lodash/fp/without.js
new file mode 100644
index 000000000..bad9e125b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/without.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('without', require('../without'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/words.js b/web/public/node_modules/lodash/fp/words.js
new file mode 100644
index 000000000..4a901414b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/words.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('words', require('../words'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/wrap.js b/web/public/node_modules/lodash/fp/wrap.js
new file mode 100644
index 000000000..e93bd8a1d
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/wrap.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('wrap', require('../wrap'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/wrapperAt.js b/web/public/node_modules/lodash/fp/wrapperAt.js
new file mode 100644
index 000000000..8f0a310fe
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/wrapperAt.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('wrapperAt', require('../wrapperAt'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/wrapperChain.js b/web/public/node_modules/lodash/fp/wrapperChain.js
new file mode 100644
index 000000000..2a48ea2b5
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/wrapperChain.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('wrapperChain', require('../wrapperChain'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/wrapperLodash.js b/web/public/node_modules/lodash/fp/wrapperLodash.js
new file mode 100644
index 000000000..a7162d084
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/wrapperLodash.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('wrapperLodash', require('../wrapperLodash'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/wrapperReverse.js b/web/public/node_modules/lodash/fp/wrapperReverse.js
new file mode 100644
index 000000000..e1481aab9
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/wrapperReverse.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('wrapperReverse', require('../wrapperReverse'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/wrapperValue.js b/web/public/node_modules/lodash/fp/wrapperValue.js
new file mode 100644
index 000000000..8eb9112f6
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/wrapperValue.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('wrapperValue', require('../wrapperValue'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/xor.js b/web/public/node_modules/lodash/fp/xor.js
new file mode 100644
index 000000000..29e281948
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/xor.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('xor', require('../xor'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/xorBy.js b/web/public/node_modules/lodash/fp/xorBy.js
new file mode 100644
index 000000000..b355686db
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/xorBy.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('xorBy', require('../xorBy'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/xorWith.js b/web/public/node_modules/lodash/fp/xorWith.js
new file mode 100644
index 000000000..8e05739ad
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/xorWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('xorWith', require('../xorWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/zip.js b/web/public/node_modules/lodash/fp/zip.js
new file mode 100644
index 000000000..69e147a44
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/zip.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('zip', require('../zip'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/zipAll.js b/web/public/node_modules/lodash/fp/zipAll.js
new file mode 100644
index 000000000..efa8ccbfb
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/zipAll.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('zipAll', require('../zip'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/zipObj.js b/web/public/node_modules/lodash/fp/zipObj.js
new file mode 100644
index 000000000..f4a34531b
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/zipObj.js
@@ -0,0 +1 @@
+module.exports = require('./zipObject');
diff --git a/web/public/node_modules/lodash/fp/zipObject.js b/web/public/node_modules/lodash/fp/zipObject.js
new file mode 100644
index 000000000..462dbb68c
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/zipObject.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('zipObject', require('../zipObject'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/zipObjectDeep.js b/web/public/node_modules/lodash/fp/zipObjectDeep.js
new file mode 100644
index 000000000..53a5d3380
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/zipObjectDeep.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('zipObjectDeep', require('../zipObjectDeep'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fp/zipWith.js b/web/public/node_modules/lodash/fp/zipWith.js
new file mode 100644
index 000000000..c5cf9e212
--- /dev/null
+++ b/web/public/node_modules/lodash/fp/zipWith.js
@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('zipWith', require('../zipWith'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;
diff --git a/web/public/node_modules/lodash/fromPairs.js b/web/public/node_modules/lodash/fromPairs.js
new file mode 100644
index 000000000..ee7940d24
--- /dev/null
+++ b/web/public/node_modules/lodash/fromPairs.js
@@ -0,0 +1,28 @@
+/**
+ * The inverse of `_.toPairs`; this method returns an object composed
+ * from key-value `pairs`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} pairs The key-value pairs.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * _.fromPairs([['a', 1], ['b', 2]]);
+ * // => { 'a': 1, 'b': 2 }
+ */
+function fromPairs(pairs) {
+  var index = -1,
+      length = pairs == null ? 0 : pairs.length,
+      result = {};
+
+  while (++index < length) {
+    var pair = pairs[index];
+    result[pair[0]] = pair[1];
+  }
+  return result;
+}
+
+module.exports = fromPairs;
diff --git a/web/public/node_modules/lodash/function.js b/web/public/node_modules/lodash/function.js
new file mode 100644
index 000000000..b0fc6d93e
--- /dev/null
+++ b/web/public/node_modules/lodash/function.js
@@ -0,0 +1,25 @@
+module.exports = {
+  'after': require('./after'),
+  'ary': require('./ary'),
+  'before': require('./before'),
+  'bind': require('./bind'),
+  'bindKey': require('./bindKey'),
+  'curry': require('./curry'),
+  'curryRight': require('./curryRight'),
+  'debounce': require('./debounce'),
+  'defer': require('./defer'),
+  'delay': require('./delay'),
+  'flip': require('./flip'),
+  'memoize': require('./memoize'),
+  'negate': require('./negate'),
+  'once': require('./once'),
+  'overArgs': require('./overArgs'),
+  'partial': require('./partial'),
+  'partialRight': require('./partialRight'),
+  'rearg': require('./rearg'),
+  'rest': require('./rest'),
+  'spread': require('./spread'),
+  'throttle': require('./throttle'),
+  'unary': require('./unary'),
+  'wrap': require('./wrap')
+};
diff --git a/web/public/node_modules/lodash/functions.js b/web/public/node_modules/lodash/functions.js
new file mode 100644
index 000000000..9722928f5
--- /dev/null
+++ b/web/public/node_modules/lodash/functions.js
@@ -0,0 +1,31 @@
+var baseFunctions = require('./_baseFunctions'),
+    keys = require('./keys');
+
+/**
+ * Creates an array of function property names from own enumerable properties
+ * of `object`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to inspect.
+ * @returns {Array} Returns the function names.
+ * @see _.functionsIn
+ * @example
+ *
+ * function Foo() {
+ *   this.a = _.constant('a');
+ *   this.b = _.constant('b');
+ * }
+ *
+ * Foo.prototype.c = _.constant('c');
+ *
+ * _.functions(new Foo);
+ * // => ['a', 'b']
+ */
+function functions(object) {
+  return object == null ? [] : baseFunctions(object, keys(object));
+}
+
+module.exports = functions;
diff --git a/web/public/node_modules/lodash/functionsIn.js b/web/public/node_modules/lodash/functionsIn.js
new file mode 100644
index 000000000..f00345d06
--- /dev/null
+++ b/web/public/node_modules/lodash/functionsIn.js
@@ -0,0 +1,31 @@
+var baseFunctions = require('./_baseFunctions'),
+    keysIn = require('./keysIn');
+
+/**
+ * Creates an array of function property names from own and inherited
+ * enumerable properties of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The object to inspect.
+ * @returns {Array} Returns the function names.
+ * @see _.functions
+ * @example
+ *
+ * function Foo() {
+ *   this.a = _.constant('a');
+ *   this.b = _.constant('b');
+ * }
+ *
+ * Foo.prototype.c = _.constant('c');
+ *
+ * _.functionsIn(new Foo);
+ * // => ['a', 'b', 'c']
+ */
+function functionsIn(object) {
+  return object == null ? [] : baseFunctions(object, keysIn(object));
+}
+
+module.exports = functionsIn;
diff --git a/web/public/node_modules/lodash/get.js b/web/public/node_modules/lodash/get.js
new file mode 100644
index 000000000..8805ff92c
--- /dev/null
+++ b/web/public/node_modules/lodash/get.js
@@ -0,0 +1,33 @@
+var baseGet = require('./_baseGet');
+
+/**
+ * Gets the value at `path` of `object`. If the resolved value is
+ * `undefined`, the `defaultValue` is returned in its place.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.7.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the property to get.
+ * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+ * @returns {*} Returns the resolved value.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+ *
+ * _.get(object, 'a[0].b.c');
+ * // => 3
+ *
+ * _.get(object, ['a', '0', 'b', 'c']);
+ * // => 3
+ *
+ * _.get(object, 'a.b.c', 'default');
+ * // => 'default'
+ */
+function get(object, path, defaultValue) {
+  var result = object == null ? undefined : baseGet(object, path);
+  return result === undefined ? defaultValue : result;
+}
+
+module.exports = get;
diff --git a/web/public/node_modules/lodash/groupBy.js b/web/public/node_modules/lodash/groupBy.js
new file mode 100644
index 000000000..babf4f6ba
--- /dev/null
+++ b/web/public/node_modules/lodash/groupBy.js
@@ -0,0 +1,41 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    createAggregator = require('./_createAggregator');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Creates an object composed of keys generated from the results of running
+ * each element of `collection` thru `iteratee`. The order of grouped values
+ * is determined by the order they occur in `collection`. The corresponding
+ * value of each key is an array of elements responsible for generating the
+ * key. The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+ * @returns {Object} Returns the composed aggregate object.
+ * @example
+ *
+ * _.groupBy([6.1, 4.2, 6.3], Math.floor);
+ * // => { '4': [4.2], '6': [6.1, 6.3] }
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.groupBy(['one', 'two', 'three'], 'length');
+ * // => { '3': ['one', 'two'], '5': ['three'] }
+ */
+var groupBy = createAggregator(function(result, value, key) {
+  if (hasOwnProperty.call(result, key)) {
+    result[key].push(value);
+  } else {
+    baseAssignValue(result, key, [value]);
+  }
+});
+
+module.exports = groupBy;
diff --git a/web/public/node_modules/lodash/gt.js b/web/public/node_modules/lodash/gt.js
new file mode 100644
index 000000000..3a6628288
--- /dev/null
+++ b/web/public/node_modules/lodash/gt.js
@@ -0,0 +1,29 @@
+var baseGt = require('./_baseGt'),
+    createRelationalOperation = require('./_createRelationalOperation');
+
+/**
+ * Checks if `value` is greater than `other`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.9.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if `value` is greater than `other`,
+ *  else `false`.
+ * @see _.lt
+ * @example
+ *
+ * _.gt(3, 1);
+ * // => true
+ *
+ * _.gt(3, 3);
+ * // => false
+ *
+ * _.gt(1, 3);
+ * // => false
+ */
+var gt = createRelationalOperation(baseGt);
+
+module.exports = gt;
diff --git a/web/public/node_modules/lodash/gte.js b/web/public/node_modules/lodash/gte.js
new file mode 100644
index 000000000..4180a687d
--- /dev/null
+++ b/web/public/node_modules/lodash/gte.js
@@ -0,0 +1,30 @@
+var createRelationalOperation = require('./_createRelationalOperation');
+
+/**
+ * Checks if `value` is greater than or equal to `other`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.9.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if `value` is greater than or equal to
+ *  `other`, else `false`.
+ * @see _.lte
+ * @example
+ *
+ * _.gte(3, 1);
+ * // => true
+ *
+ * _.gte(3, 3);
+ * // => true
+ *
+ * _.gte(1, 3);
+ * // => false
+ */
+var gte = createRelationalOperation(function(value, other) {
+  return value >= other;
+});
+
+module.exports = gte;
diff --git a/web/public/node_modules/lodash/has.js b/web/public/node_modules/lodash/has.js
new file mode 100644
index 000000000..34df55e8e
--- /dev/null
+++ b/web/public/node_modules/lodash/has.js
@@ -0,0 +1,35 @@
+var baseHas = require('./_baseHas'),
+    hasPath = require('./_hasPath');
+
+/**
+ * Checks if `path` is a direct property of `object`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path to check.
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
+ * @example
+ *
+ * var object = { 'a': { 'b': 2 } };
+ * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+ *
+ * _.has(object, 'a');
+ * // => true
+ *
+ * _.has(object, 'a.b');
+ * // => true
+ *
+ * _.has(object, ['a', 'b']);
+ * // => true
+ *
+ * _.has(other, 'a');
+ * // => false
+ */
+function has(object, path) {
+  return object != null && hasPath(object, path, baseHas);
+}
+
+module.exports = has;
diff --git a/web/public/node_modules/lodash/hasIn.js b/web/public/node_modules/lodash/hasIn.js
new file mode 100644
index 000000000..06a368654
--- /dev/null
+++ b/web/public/node_modules/lodash/hasIn.js
@@ -0,0 +1,34 @@
+var baseHasIn = require('./_baseHasIn'),
+    hasPath = require('./_hasPath');
+
+/**
+ * Checks if `path` is a direct or inherited property of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path to check.
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
+ * @example
+ *
+ * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+ *
+ * _.hasIn(object, 'a');
+ * // => true
+ *
+ * _.hasIn(object, 'a.b');
+ * // => true
+ *
+ * _.hasIn(object, ['a', 'b']);
+ * // => true
+ *
+ * _.hasIn(object, 'b');
+ * // => false
+ */
+function hasIn(object, path) {
+  return object != null && hasPath(object, path, baseHasIn);
+}
+
+module.exports = hasIn;
diff --git a/web/public/node_modules/lodash/head.js b/web/public/node_modules/lodash/head.js
new file mode 100644
index 000000000..dee9d1f1e
--- /dev/null
+++ b/web/public/node_modules/lodash/head.js
@@ -0,0 +1,23 @@
+/**
+ * Gets the first element of `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @alias first
+ * @category Array
+ * @param {Array} array The array to query.
+ * @returns {*} Returns the first element of `array`.
+ * @example
+ *
+ * _.head([1, 2, 3]);
+ * // => 1
+ *
+ * _.head([]);
+ * // => undefined
+ */
+function head(array) {
+  return (array && array.length) ? array[0] : undefined;
+}
+
+module.exports = head;
diff --git a/web/public/node_modules/lodash/identity.js b/web/public/node_modules/lodash/identity.js
new file mode 100644
index 000000000..2d5d963cd
--- /dev/null
+++ b/web/public/node_modules/lodash/identity.js
@@ -0,0 +1,21 @@
+/**
+ * This method returns the first argument it receives.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {*} value Any value.
+ * @returns {*} Returns `value`.
+ * @example
+ *
+ * var object = { 'a': 1 };
+ *
+ * console.log(_.identity(object) === object);
+ * // => true
+ */
+function identity(value) {
+  return value;
+}
+
+module.exports = identity;
diff --git a/web/public/node_modules/lodash/inRange.js b/web/public/node_modules/lodash/inRange.js
new file mode 100644
index 000000000..f20728d92
--- /dev/null
+++ b/web/public/node_modules/lodash/inRange.js
@@ -0,0 +1,55 @@
+var baseInRange = require('./_baseInRange'),
+    toFinite = require('./toFinite'),
+    toNumber = require('./toNumber');
+
+/**
+ * Checks if `n` is between `start` and up to, but not including, `end`. If
+ * `end` is not specified, it's set to `start` with `start` then set to `0`.
+ * If `start` is greater than `end` the params are swapped to support
+ * negative ranges.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.3.0
+ * @category Number
+ * @param {number} number The number to check.
+ * @param {number} [start=0] The start of the range.
+ * @param {number} end The end of the range.
+ * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+ * @see _.range, _.rangeRight
+ * @example
+ *
+ * _.inRange(3, 2, 4);
+ * // => true
+ *
+ * _.inRange(4, 8);
+ * // => true
+ *
+ * _.inRange(4, 2);
+ * // => false
+ *
+ * _.inRange(2, 2);
+ * // => false
+ *
+ * _.inRange(1.2, 2);
+ * // => true
+ *
+ * _.inRange(5.2, 4);
+ * // => false
+ *
+ * _.inRange(-3, -2, -6);
+ * // => true
+ */
+function inRange(number, start, end) {
+  start = toFinite(start);
+  if (end === undefined) {
+    end = start;
+    start = 0;
+  } else {
+    end = toFinite(end);
+  }
+  number = toNumber(number);
+  return baseInRange(number, start, end);
+}
+
+module.exports = inRange;
diff --git a/web/public/node_modules/lodash/includes.js b/web/public/node_modules/lodash/includes.js
new file mode 100644
index 000000000..ae0deedc9
--- /dev/null
+++ b/web/public/node_modules/lodash/includes.js
@@ -0,0 +1,53 @@
+var baseIndexOf = require('./_baseIndexOf'),
+    isArrayLike = require('./isArrayLike'),
+    isString = require('./isString'),
+    toInteger = require('./toInteger'),
+    values = require('./values');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * Checks if `value` is in `collection`. If `collection` is a string, it's
+ * checked for a substring of `value`, otherwise
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * is used for equality comparisons. If `fromIndex` is negative, it's used as
+ * the offset from the end of `collection`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object|string} collection The collection to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} [fromIndex=0] The index to search from.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+ * @returns {boolean} Returns `true` if `value` is found, else `false`.
+ * @example
+ *
+ * _.includes([1, 2, 3], 1);
+ * // => true
+ *
+ * _.includes([1, 2, 3], 1, 2);
+ * // => false
+ *
+ * _.includes({ 'a': 1, 'b': 2 }, 1);
+ * // => true
+ *
+ * _.includes('abcd', 'bc');
+ * // => true
+ */
+function includes(collection, value, fromIndex, guard) {
+  collection = isArrayLike(collection) ? collection : values(collection);
+  fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
+
+  var length = collection.length;
+  if (fromIndex < 0) {
+    fromIndex = nativeMax(length + fromIndex, 0);
+  }
+  return isString(collection)
+    ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
+    : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
+}
+
+module.exports = includes;
diff --git a/web/public/node_modules/lodash/index.js b/web/public/node_modules/lodash/index.js
new file mode 100644
index 000000000..5d063e21f
--- /dev/null
+++ b/web/public/node_modules/lodash/index.js
@@ -0,0 +1 @@
+module.exports = require('./lodash');
\ No newline at end of file
diff --git a/web/public/node_modules/lodash/indexOf.js b/web/public/node_modules/lodash/indexOf.js
new file mode 100644
index 000000000..3c644af2e
--- /dev/null
+++ b/web/public/node_modules/lodash/indexOf.js
@@ -0,0 +1,42 @@
+var baseIndexOf = require('./_baseIndexOf'),
+    toInteger = require('./toInteger');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * Gets the index at which the first occurrence of `value` is found in `array`
+ * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons. If `fromIndex` is negative, it's used as the
+ * offset from the end of `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} [fromIndex=0] The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ * @example
+ *
+ * _.indexOf([1, 2, 1, 2], 2);
+ * // => 1
+ *
+ * // Search from the `fromIndex`.
+ * _.indexOf([1, 2, 1, 2], 2, 2);
+ * // => 3
+ */
+function indexOf(array, value, fromIndex) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return -1;
+  }
+  var index = fromIndex == null ? 0 : toInteger(fromIndex);
+  if (index < 0) {
+    index = nativeMax(length + index, 0);
+  }
+  return baseIndexOf(array, value, index);
+}
+
+module.exports = indexOf;
diff --git a/web/public/node_modules/lodash/initial.js b/web/public/node_modules/lodash/initial.js
new file mode 100644
index 000000000..f47fc5092
--- /dev/null
+++ b/web/public/node_modules/lodash/initial.js
@@ -0,0 +1,22 @@
+var baseSlice = require('./_baseSlice');
+
+/**
+ * Gets all but the last element of `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.initial([1, 2, 3]);
+ * // => [1, 2]
+ */
+function initial(array) {
+  var length = array == null ? 0 : array.length;
+  return length ? baseSlice(array, 0, -1) : [];
+}
+
+module.exports = initial;
diff --git a/web/public/node_modules/lodash/intersection.js b/web/public/node_modules/lodash/intersection.js
new file mode 100644
index 000000000..a94c13512
--- /dev/null
+++ b/web/public/node_modules/lodash/intersection.js
@@ -0,0 +1,30 @@
+var arrayMap = require('./_arrayMap'),
+    baseIntersection = require('./_baseIntersection'),
+    baseRest = require('./_baseRest'),
+    castArrayLikeObject = require('./_castArrayLikeObject');
+
+/**
+ * Creates an array of unique values that are included in all given arrays
+ * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons. The order and references of result values are
+ * determined by the first array.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @returns {Array} Returns the new array of intersecting values.
+ * @example
+ *
+ * _.intersection([2, 1], [2, 3]);
+ * // => [2]
+ */
+var intersection = baseRest(function(arrays) {
+  var mapped = arrayMap(arrays, castArrayLikeObject);
+  return (mapped.length && mapped[0] === arrays[0])
+    ? baseIntersection(mapped)
+    : [];
+});
+
+module.exports = intersection;
diff --git a/web/public/node_modules/lodash/intersectionBy.js b/web/public/node_modules/lodash/intersectionBy.js
new file mode 100644
index 000000000..31461aae5
--- /dev/null
+++ b/web/public/node_modules/lodash/intersectionBy.js
@@ -0,0 +1,45 @@
+var arrayMap = require('./_arrayMap'),
+    baseIntersection = require('./_baseIntersection'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest'),
+    castArrayLikeObject = require('./_castArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.intersection` except that it accepts `iteratee`
+ * which is invoked for each element of each `arrays` to generate the criterion
+ * by which they're compared. The order and references of result values are
+ * determined by the first array. The iteratee is invoked with one argument:
+ * (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Array} Returns the new array of intersecting values.
+ * @example
+ *
+ * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+ * // => [2.1]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+ * // => [{ 'x': 1 }]
+ */
+var intersectionBy = baseRest(function(arrays) {
+  var iteratee = last(arrays),
+      mapped = arrayMap(arrays, castArrayLikeObject);
+
+  if (iteratee === last(mapped)) {
+    iteratee = undefined;
+  } else {
+    mapped.pop();
+  }
+  return (mapped.length && mapped[0] === arrays[0])
+    ? baseIntersection(mapped, baseIteratee(iteratee, 2))
+    : [];
+});
+
+module.exports = intersectionBy;
diff --git a/web/public/node_modules/lodash/intersectionWith.js b/web/public/node_modules/lodash/intersectionWith.js
new file mode 100644
index 000000000..63cabfaa4
--- /dev/null
+++ b/web/public/node_modules/lodash/intersectionWith.js
@@ -0,0 +1,41 @@
+var arrayMap = require('./_arrayMap'),
+    baseIntersection = require('./_baseIntersection'),
+    baseRest = require('./_baseRest'),
+    castArrayLikeObject = require('./_castArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.intersection` except that it accepts `comparator`
+ * which is invoked to compare elements of `arrays`. The order and references
+ * of result values are determined by the first array. The comparator is
+ * invoked with two arguments: (arrVal, othVal).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of intersecting values.
+ * @example
+ *
+ * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+ * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+ *
+ * _.intersectionWith(objects, others, _.isEqual);
+ * // => [{ 'x': 1, 'y': 2 }]
+ */
+var intersectionWith = baseRest(function(arrays) {
+  var comparator = last(arrays),
+      mapped = arrayMap(arrays, castArrayLikeObject);
+
+  comparator = typeof comparator == 'function' ? comparator : undefined;
+  if (comparator) {
+    mapped.pop();
+  }
+  return (mapped.length && mapped[0] === arrays[0])
+    ? baseIntersection(mapped, undefined, comparator)
+    : [];
+});
+
+module.exports = intersectionWith;
diff --git a/web/public/node_modules/lodash/invert.js b/web/public/node_modules/lodash/invert.js
new file mode 100644
index 000000000..8c4795097
--- /dev/null
+++ b/web/public/node_modules/lodash/invert.js
@@ -0,0 +1,42 @@
+var constant = require('./constant'),
+    createInverter = require('./_createInverter'),
+    identity = require('./identity');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/**
+ * Creates an object composed of the inverted keys and values of `object`.
+ * If `object` contains duplicate values, subsequent values overwrite
+ * property assignments of previous values.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.7.0
+ * @category Object
+ * @param {Object} object The object to invert.
+ * @returns {Object} Returns the new inverted object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': 2, 'c': 1 };
+ *
+ * _.invert(object);
+ * // => { '1': 'c', '2': 'b' }
+ */
+var invert = createInverter(function(result, value, key) {
+  if (value != null &&
+      typeof value.toString != 'function') {
+    value = nativeObjectToString.call(value);
+  }
+
+  result[value] = key;
+}, constant(identity));
+
+module.exports = invert;
diff --git a/web/public/node_modules/lodash/invertBy.js b/web/public/node_modules/lodash/invertBy.js
new file mode 100644
index 000000000..3f4f7e532
--- /dev/null
+++ b/web/public/node_modules/lodash/invertBy.js
@@ -0,0 +1,56 @@
+var baseIteratee = require('./_baseIteratee'),
+    createInverter = require('./_createInverter');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/**
+ * This method is like `_.invert` except that the inverted object is generated
+ * from the results of running each element of `object` thru `iteratee`. The
+ * corresponding inverted value of each inverted key is an array of keys
+ * responsible for generating the inverted value. The iteratee is invoked
+ * with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.1.0
+ * @category Object
+ * @param {Object} object The object to invert.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Object} Returns the new inverted object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': 2, 'c': 1 };
+ *
+ * _.invertBy(object);
+ * // => { '1': ['a', 'c'], '2': ['b'] }
+ *
+ * _.invertBy(object, function(value) {
+ *   return 'group' + value;
+ * });
+ * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
+ */
+var invertBy = createInverter(function(result, value, key) {
+  if (value != null &&
+      typeof value.toString != 'function') {
+    value = nativeObjectToString.call(value);
+  }
+
+  if (hasOwnProperty.call(result, value)) {
+    result[value].push(key);
+  } else {
+    result[value] = [key];
+  }
+}, baseIteratee);
+
+module.exports = invertBy;
diff --git a/web/public/node_modules/lodash/invoke.js b/web/public/node_modules/lodash/invoke.js
new file mode 100644
index 000000000..97d51eb5b
--- /dev/null
+++ b/web/public/node_modules/lodash/invoke.js
@@ -0,0 +1,24 @@
+var baseInvoke = require('./_baseInvoke'),
+    baseRest = require('./_baseRest');
+
+/**
+ * Invokes the method at `path` of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the method to invoke.
+ * @param {...*} [args] The arguments to invoke the method with.
+ * @returns {*} Returns the result of the invoked method.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
+ *
+ * _.invoke(object, 'a[0].b.c.slice', 1, 3);
+ * // => [2, 3]
+ */
+var invoke = baseRest(baseInvoke);
+
+module.exports = invoke;
diff --git a/web/public/node_modules/lodash/invokeMap.js b/web/public/node_modules/lodash/invokeMap.js
new file mode 100644
index 000000000..8da5126c6
--- /dev/null
+++ b/web/public/node_modules/lodash/invokeMap.js
@@ -0,0 +1,41 @@
+var apply = require('./_apply'),
+    baseEach = require('./_baseEach'),
+    baseInvoke = require('./_baseInvoke'),
+    baseRest = require('./_baseRest'),
+    isArrayLike = require('./isArrayLike');
+
+/**
+ * Invokes the method at `path` of each element in `collection`, returning
+ * an array of the results of each invoked method. Any additional arguments
+ * are provided to each invoked method. If `path` is a function, it's invoked
+ * for, and `this` bound to, each element in `collection`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Array|Function|string} path The path of the method to invoke or
+ *  the function invoked per iteration.
+ * @param {...*} [args] The arguments to invoke each method with.
+ * @returns {Array} Returns the array of results.
+ * @example
+ *
+ * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
+ * // => [[1, 5, 7], [1, 2, 3]]
+ *
+ * _.invokeMap([123, 456], String.prototype.split, '');
+ * // => [['1', '2', '3'], ['4', '5', '6']]
+ */
+var invokeMap = baseRest(function(collection, path, args) {
+  var index = -1,
+      isFunc = typeof path == 'function',
+      result = isArrayLike(collection) ? Array(collection.length) : [];
+
+  baseEach(collection, function(value) {
+    result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
+  });
+  return result;
+});
+
+module.exports = invokeMap;
diff --git a/web/public/node_modules/lodash/isArguments.js b/web/public/node_modules/lodash/isArguments.js
new file mode 100644
index 000000000..8b9ed66cd
--- /dev/null
+++ b/web/public/node_modules/lodash/isArguments.js
@@ -0,0 +1,36 @@
+var baseIsArguments = require('./_baseIsArguments'),
+    isObjectLike = require('./isObjectLike');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/** Built-in value references. */
+var propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
+/**
+ * Checks if `value` is likely an `arguments` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+ *  else `false`.
+ * @example
+ *
+ * _.isArguments(function() { return arguments; }());
+ * // => true
+ *
+ * _.isArguments([1, 2, 3]);
+ * // => false
+ */
+var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+    !propertyIsEnumerable.call(value, 'callee');
+};
+
+module.exports = isArguments;
diff --git a/web/public/node_modules/lodash/isArray.js b/web/public/node_modules/lodash/isArray.js
new file mode 100644
index 000000000..88ab55fd0
--- /dev/null
+++ b/web/public/node_modules/lodash/isArray.js
@@ -0,0 +1,26 @@
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
+ */
+var isArray = Array.isArray;
+
+module.exports = isArray;
diff --git a/web/public/node_modules/lodash/isArrayBuffer.js b/web/public/node_modules/lodash/isArrayBuffer.js
new file mode 100644
index 000000000..12904a64b
--- /dev/null
+++ b/web/public/node_modules/lodash/isArrayBuffer.js
@@ -0,0 +1,27 @@
+var baseIsArrayBuffer = require('./_baseIsArrayBuffer'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer;
+
+/**
+ * Checks if `value` is classified as an `ArrayBuffer` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+ * @example
+ *
+ * _.isArrayBuffer(new ArrayBuffer(2));
+ * // => true
+ *
+ * _.isArrayBuffer(new Array(2));
+ * // => false
+ */
+var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+
+module.exports = isArrayBuffer;
diff --git a/web/public/node_modules/lodash/isArrayLike.js b/web/public/node_modules/lodash/isArrayLike.js
new file mode 100644
index 000000000..0f9668056
--- /dev/null
+++ b/web/public/node_modules/lodash/isArrayLike.js
@@ -0,0 +1,33 @@
+var isFunction = require('./isFunction'),
+    isLength = require('./isLength');
+
+/**
+ * Checks if `value` is array-like. A value is considered array-like if it's
+ * not a function and has a `value.length` that's an integer greater than or
+ * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * @example
+ *
+ * _.isArrayLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLike(document.body.children);
+ * // => true
+ *
+ * _.isArrayLike('abc');
+ * // => true
+ *
+ * _.isArrayLike(_.noop);
+ * // => false
+ */
+function isArrayLike(value) {
+  return value != null && isLength(value.length) && !isFunction(value);
+}
+
+module.exports = isArrayLike;
diff --git a/web/public/node_modules/lodash/isArrayLikeObject.js b/web/public/node_modules/lodash/isArrayLikeObject.js
new file mode 100644
index 000000000..6c4812a8d
--- /dev/null
+++ b/web/public/node_modules/lodash/isArrayLikeObject.js
@@ -0,0 +1,33 @@
+var isArrayLike = require('./isArrayLike'),
+    isObjectLike = require('./isObjectLike');
+
+/**
+ * This method is like `_.isArrayLike` except that it also checks if `value`
+ * is an object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array-like object,
+ *  else `false`.
+ * @example
+ *
+ * _.isArrayLikeObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLikeObject(document.body.children);
+ * // => true
+ *
+ * _.isArrayLikeObject('abc');
+ * // => false
+ *
+ * _.isArrayLikeObject(_.noop);
+ * // => false
+ */
+function isArrayLikeObject(value) {
+  return isObjectLike(value) && isArrayLike(value);
+}
+
+module.exports = isArrayLikeObject;
diff --git a/web/public/node_modules/lodash/isBoolean.js b/web/public/node_modules/lodash/isBoolean.js
new file mode 100644
index 000000000..a43ed4b8f
--- /dev/null
+++ b/web/public/node_modules/lodash/isBoolean.js
@@ -0,0 +1,29 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var boolTag = '[object Boolean]';
+
+/**
+ * Checks if `value` is classified as a boolean primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+ * @example
+ *
+ * _.isBoolean(false);
+ * // => true
+ *
+ * _.isBoolean(null);
+ * // => false
+ */
+function isBoolean(value) {
+  return value === true || value === false ||
+    (isObjectLike(value) && baseGetTag(value) == boolTag);
+}
+
+module.exports = isBoolean;
diff --git a/web/public/node_modules/lodash/isBuffer.js b/web/public/node_modules/lodash/isBuffer.js
new file mode 100644
index 000000000..c103cc74e
--- /dev/null
+++ b/web/public/node_modules/lodash/isBuffer.js
@@ -0,0 +1,38 @@
+var root = require('./_root'),
+    stubFalse = require('./stubFalse');
+
+/** Detect free variable `exports`. */
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+/** Detect free variable `module`. */
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+/** Detect the popular CommonJS extension `module.exports`. */
+var moduleExports = freeModule && freeModule.exports === freeExports;
+
+/** Built-in value references. */
+var Buffer = moduleExports ? root.Buffer : undefined;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;
+
+/**
+ * Checks if `value` is a buffer.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+ * @example
+ *
+ * _.isBuffer(new Buffer(2));
+ * // => true
+ *
+ * _.isBuffer(new Uint8Array(2));
+ * // => false
+ */
+var isBuffer = nativeIsBuffer || stubFalse;
+
+module.exports = isBuffer;
diff --git a/web/public/node_modules/lodash/isDate.js b/web/public/node_modules/lodash/isDate.js
new file mode 100644
index 000000000..7f0209fca
--- /dev/null
+++ b/web/public/node_modules/lodash/isDate.js
@@ -0,0 +1,27 @@
+var baseIsDate = require('./_baseIsDate'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsDate = nodeUtil && nodeUtil.isDate;
+
+/**
+ * Checks if `value` is classified as a `Date` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+ * @example
+ *
+ * _.isDate(new Date);
+ * // => true
+ *
+ * _.isDate('Mon April 23 2012');
+ * // => false
+ */
+var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+
+module.exports = isDate;
diff --git a/web/public/node_modules/lodash/isElement.js b/web/public/node_modules/lodash/isElement.js
new file mode 100644
index 000000000..76ae29c3b
--- /dev/null
+++ b/web/public/node_modules/lodash/isElement.js
@@ -0,0 +1,25 @@
+var isObjectLike = require('./isObjectLike'),
+    isPlainObject = require('./isPlainObject');
+
+/**
+ * Checks if `value` is likely a DOM element.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+ * @example
+ *
+ * _.isElement(document.body);
+ * // => true
+ *
+ * _.isElement('<body>');
+ * // => false
+ */
+function isElement(value) {
+  return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
+}
+
+module.exports = isElement;
diff --git a/web/public/node_modules/lodash/isEmpty.js b/web/public/node_modules/lodash/isEmpty.js
new file mode 100644
index 000000000..3597294a4
--- /dev/null
+++ b/web/public/node_modules/lodash/isEmpty.js
@@ -0,0 +1,77 @@
+var baseKeys = require('./_baseKeys'),
+    getTag = require('./_getTag'),
+    isArguments = require('./isArguments'),
+    isArray = require('./isArray'),
+    isArrayLike = require('./isArrayLike'),
+    isBuffer = require('./isBuffer'),
+    isPrototype = require('./_isPrototype'),
+    isTypedArray = require('./isTypedArray');
+
+/** `Object#toString` result references. */
+var mapTag = '[object Map]',
+    setTag = '[object Set]';
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Checks if `value` is an empty object, collection, map, or set.
+ *
+ * Objects are considered empty if they have no own enumerable string keyed
+ * properties.
+ *
+ * Array-like values such as `arguments` objects, arrays, buffers, strings, or
+ * jQuery-like collections are considered empty if they have a `length` of `0`.
+ * Similarly, maps and sets are considered empty if they have a `size` of `0`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+ * @example
+ *
+ * _.isEmpty(null);
+ * // => true
+ *
+ * _.isEmpty(true);
+ * // => true
+ *
+ * _.isEmpty(1);
+ * // => true
+ *
+ * _.isEmpty([1, 2, 3]);
+ * // => false
+ *
+ * _.isEmpty({ 'a': 1 });
+ * // => false
+ */
+function isEmpty(value) {
+  if (value == null) {
+    return true;
+  }
+  if (isArrayLike(value) &&
+      (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
+        isBuffer(value) || isTypedArray(value) || isArguments(value))) {
+    return !value.length;
+  }
+  var tag = getTag(value);
+  if (tag == mapTag || tag == setTag) {
+    return !value.size;
+  }
+  if (isPrototype(value)) {
+    return !baseKeys(value).length;
+  }
+  for (var key in value) {
+    if (hasOwnProperty.call(value, key)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+module.exports = isEmpty;
diff --git a/web/public/node_modules/lodash/isEqual.js b/web/public/node_modules/lodash/isEqual.js
new file mode 100644
index 000000000..5e23e76c9
--- /dev/null
+++ b/web/public/node_modules/lodash/isEqual.js
@@ -0,0 +1,35 @@
+var baseIsEqual = require('./_baseIsEqual');
+
+/**
+ * Performs a deep comparison between two values to determine if they are
+ * equivalent.
+ *
+ * **Note:** This method supports comparing arrays, array buffers, booleans,
+ * date objects, error objects, maps, numbers, `Object` objects, regexes,
+ * sets, strings, symbols, and typed arrays. `Object` objects are compared
+ * by their own, not inherited, enumerable properties. Functions and DOM
+ * nodes are compared by strict equality, i.e. `===`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+ * @example
+ *
+ * var object = { 'a': 1 };
+ * var other = { 'a': 1 };
+ *
+ * _.isEqual(object, other);
+ * // => true
+ *
+ * object === other;
+ * // => false
+ */
+function isEqual(value, other) {
+  return baseIsEqual(value, other);
+}
+
+module.exports = isEqual;
diff --git a/web/public/node_modules/lodash/isEqualWith.js b/web/public/node_modules/lodash/isEqualWith.js
new file mode 100644
index 000000000..21bdc7ffe
--- /dev/null
+++ b/web/public/node_modules/lodash/isEqualWith.js
@@ -0,0 +1,41 @@
+var baseIsEqual = require('./_baseIsEqual');
+
+/**
+ * This method is like `_.isEqual` except that it accepts `customizer` which
+ * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+ * are handled by the method instead. The `customizer` is invoked with up to
+ * six arguments: (objValue, othValue [, index|key, object, other, stack]).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+ * @example
+ *
+ * function isGreeting(value) {
+ *   return /^h(?:i|ello)$/.test(value);
+ * }
+ *
+ * function customizer(objValue, othValue) {
+ *   if (isGreeting(objValue) && isGreeting(othValue)) {
+ *     return true;
+ *   }
+ * }
+ *
+ * var array = ['hello', 'goodbye'];
+ * var other = ['hi', 'goodbye'];
+ *
+ * _.isEqualWith(array, other, customizer);
+ * // => true
+ */
+function isEqualWith(value, other, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  var result = customizer ? customizer(value, other) : undefined;
+  return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
+}
+
+module.exports = isEqualWith;
diff --git a/web/public/node_modules/lodash/isError.js b/web/public/node_modules/lodash/isError.js
new file mode 100644
index 000000000..b4f41e000
--- /dev/null
+++ b/web/public/node_modules/lodash/isError.js
@@ -0,0 +1,36 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike'),
+    isPlainObject = require('./isPlainObject');
+
+/** `Object#toString` result references. */
+var domExcTag = '[object DOMException]',
+    errorTag = '[object Error]';
+
+/**
+ * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
+ * `SyntaxError`, `TypeError`, or `URIError` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
+ * @example
+ *
+ * _.isError(new Error);
+ * // => true
+ *
+ * _.isError(Error);
+ * // => false
+ */
+function isError(value) {
+  if (!isObjectLike(value)) {
+    return false;
+  }
+  var tag = baseGetTag(value);
+  return tag == errorTag || tag == domExcTag ||
+    (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
+}
+
+module.exports = isError;
diff --git a/web/public/node_modules/lodash/isFinite.js b/web/public/node_modules/lodash/isFinite.js
new file mode 100644
index 000000000..601842bc4
--- /dev/null
+++ b/web/public/node_modules/lodash/isFinite.js
@@ -0,0 +1,36 @@
+var root = require('./_root');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeIsFinite = root.isFinite;
+
+/**
+ * Checks if `value` is a finite primitive number.
+ *
+ * **Note:** This method is based on
+ * [`Number.isFinite`](https://mdn.io/Number/isFinite).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+ * @example
+ *
+ * _.isFinite(3);
+ * // => true
+ *
+ * _.isFinite(Number.MIN_VALUE);
+ * // => true
+ *
+ * _.isFinite(Infinity);
+ * // => false
+ *
+ * _.isFinite('3');
+ * // => false
+ */
+function isFinite(value) {
+  return typeof value == 'number' && nativeIsFinite(value);
+}
+
+module.exports = isFinite;
diff --git a/web/public/node_modules/lodash/isFunction.js b/web/public/node_modules/lodash/isFunction.js
new file mode 100644
index 000000000..907a8cd8b
--- /dev/null
+++ b/web/public/node_modules/lodash/isFunction.js
@@ -0,0 +1,37 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObject = require('./isObject');
+
+/** `Object#toString` result references. */
+var asyncTag = '[object AsyncFunction]',
+    funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]',
+    proxyTag = '[object Proxy]';
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+  if (!isObject(value)) {
+    return false;
+  }
+  // The use of `Object#toString` avoids issues with the `typeof` operator
+  // in Safari 9 which returns 'object' for typed arrays and other constructors.
+  var tag = baseGetTag(value);
+  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+}
+
+module.exports = isFunction;
diff --git a/web/public/node_modules/lodash/isInteger.js b/web/public/node_modules/lodash/isInteger.js
new file mode 100644
index 000000000..66aa87d57
--- /dev/null
+++ b/web/public/node_modules/lodash/isInteger.js
@@ -0,0 +1,33 @@
+var toInteger = require('./toInteger');
+
+/**
+ * Checks if `value` is an integer.
+ *
+ * **Note:** This method is based on
+ * [`Number.isInteger`](https://mdn.io/Number/isInteger).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
+ * @example
+ *
+ * _.isInteger(3);
+ * // => true
+ *
+ * _.isInteger(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isInteger(Infinity);
+ * // => false
+ *
+ * _.isInteger('3');
+ * // => false
+ */
+function isInteger(value) {
+  return typeof value == 'number' && value == toInteger(value);
+}
+
+module.exports = isInteger;
diff --git a/web/public/node_modules/lodash/isLength.js b/web/public/node_modules/lodash/isLength.js
new file mode 100644
index 000000000..3a95caa96
--- /dev/null
+++ b/web/public/node_modules/lodash/isLength.js
@@ -0,0 +1,35 @@
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/**
+ * Checks if `value` is a valid array-like length.
+ *
+ * **Note:** This method is loosely based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ * @example
+ *
+ * _.isLength(3);
+ * // => true
+ *
+ * _.isLength(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isLength(Infinity);
+ * // => false
+ *
+ * _.isLength('3');
+ * // => false
+ */
+function isLength(value) {
+  return typeof value == 'number' &&
+    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+}
+
+module.exports = isLength;
diff --git a/web/public/node_modules/lodash/isMap.js b/web/public/node_modules/lodash/isMap.js
new file mode 100644
index 000000000..44f8517ee
--- /dev/null
+++ b/web/public/node_modules/lodash/isMap.js
@@ -0,0 +1,27 @@
+var baseIsMap = require('./_baseIsMap'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsMap = nodeUtil && nodeUtil.isMap;
+
+/**
+ * Checks if `value` is classified as a `Map` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+ * @example
+ *
+ * _.isMap(new Map);
+ * // => true
+ *
+ * _.isMap(new WeakMap);
+ * // => false
+ */
+var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+
+module.exports = isMap;
diff --git a/web/public/node_modules/lodash/isMatch.js b/web/public/node_modules/lodash/isMatch.js
new file mode 100644
index 000000000..9773a18cd
--- /dev/null
+++ b/web/public/node_modules/lodash/isMatch.js
@@ -0,0 +1,36 @@
+var baseIsMatch = require('./_baseIsMatch'),
+    getMatchData = require('./_getMatchData');
+
+/**
+ * Performs a partial deep comparison between `object` and `source` to
+ * determine if `object` contains equivalent property values.
+ *
+ * **Note:** This method is equivalent to `_.matches` when `source` is
+ * partially applied.
+ *
+ * Partial comparisons will match empty array and empty object `source`
+ * values against any array or object value, respectively. See `_.isEqual`
+ * for a list of supported value comparisons.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property values to match.
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': 2 };
+ *
+ * _.isMatch(object, { 'b': 2 });
+ * // => true
+ *
+ * _.isMatch(object, { 'b': 1 });
+ * // => false
+ */
+function isMatch(object, source) {
+  return object === source || baseIsMatch(object, source, getMatchData(source));
+}
+
+module.exports = isMatch;
diff --git a/web/public/node_modules/lodash/isMatchWith.js b/web/public/node_modules/lodash/isMatchWith.js
new file mode 100644
index 000000000..187b6a61d
--- /dev/null
+++ b/web/public/node_modules/lodash/isMatchWith.js
@@ -0,0 +1,41 @@
+var baseIsMatch = require('./_baseIsMatch'),
+    getMatchData = require('./_getMatchData');
+
+/**
+ * This method is like `_.isMatch` except that it accepts `customizer` which
+ * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+ * are handled by the method instead. The `customizer` is invoked with five
+ * arguments: (objValue, srcValue, index|key, object, source).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property values to match.
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+ * @example
+ *
+ * function isGreeting(value) {
+ *   return /^h(?:i|ello)$/.test(value);
+ * }
+ *
+ * function customizer(objValue, srcValue) {
+ *   if (isGreeting(objValue) && isGreeting(srcValue)) {
+ *     return true;
+ *   }
+ * }
+ *
+ * var object = { 'greeting': 'hello' };
+ * var source = { 'greeting': 'hi' };
+ *
+ * _.isMatchWith(object, source, customizer);
+ * // => true
+ */
+function isMatchWith(object, source, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  return baseIsMatch(object, source, getMatchData(source), customizer);
+}
+
+module.exports = isMatchWith;
diff --git a/web/public/node_modules/lodash/isNaN.js b/web/public/node_modules/lodash/isNaN.js
new file mode 100644
index 000000000..7d0d783ba
--- /dev/null
+++ b/web/public/node_modules/lodash/isNaN.js
@@ -0,0 +1,38 @@
+var isNumber = require('./isNumber');
+
+/**
+ * Checks if `value` is `NaN`.
+ *
+ * **Note:** This method is based on
+ * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+ * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+ * `undefined` and other non-number values.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+ * @example
+ *
+ * _.isNaN(NaN);
+ * // => true
+ *
+ * _.isNaN(new Number(NaN));
+ * // => true
+ *
+ * isNaN(undefined);
+ * // => true
+ *
+ * _.isNaN(undefined);
+ * // => false
+ */
+function isNaN(value) {
+  // An `NaN` primitive is the only value that is not equal to itself.
+  // Perform the `toStringTag` check first to avoid errors with some
+  // ActiveX objects in IE.
+  return isNumber(value) && value != +value;
+}
+
+module.exports = isNaN;
diff --git a/web/public/node_modules/lodash/isNative.js b/web/public/node_modules/lodash/isNative.js
new file mode 100644
index 000000000..f0cb8d580
--- /dev/null
+++ b/web/public/node_modules/lodash/isNative.js
@@ -0,0 +1,40 @@
+var baseIsNative = require('./_baseIsNative'),
+    isMaskable = require('./_isMaskable');
+
+/** Error message constants. */
+var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.';
+
+/**
+ * Checks if `value` is a pristine native function.
+ *
+ * **Note:** This method can't reliably detect native functions in the presence
+ * of the core-js package because core-js circumvents this kind of detection.
+ * Despite multiple requests, the core-js maintainer has made it clear: any
+ * attempt to fix the detection will be obstructed. As a result, we're left
+ * with little choice but to throw an error. Unfortunately, this also affects
+ * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
+ * which rely on core-js.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a native function,
+ *  else `false`.
+ * @example
+ *
+ * _.isNative(Array.prototype.push);
+ * // => true
+ *
+ * _.isNative(_);
+ * // => false
+ */
+function isNative(value) {
+  if (isMaskable(value)) {
+    throw new Error(CORE_ERROR_TEXT);
+  }
+  return baseIsNative(value);
+}
+
+module.exports = isNative;
diff --git a/web/public/node_modules/lodash/isNil.js b/web/public/node_modules/lodash/isNil.js
new file mode 100644
index 000000000..79f05052c
--- /dev/null
+++ b/web/public/node_modules/lodash/isNil.js
@@ -0,0 +1,25 @@
+/**
+ * Checks if `value` is `null` or `undefined`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
+ * @example
+ *
+ * _.isNil(null);
+ * // => true
+ *
+ * _.isNil(void 0);
+ * // => true
+ *
+ * _.isNil(NaN);
+ * // => false
+ */
+function isNil(value) {
+  return value == null;
+}
+
+module.exports = isNil;
diff --git a/web/public/node_modules/lodash/isNull.js b/web/public/node_modules/lodash/isNull.js
new file mode 100644
index 000000000..c0a374d7d
--- /dev/null
+++ b/web/public/node_modules/lodash/isNull.js
@@ -0,0 +1,22 @@
+/**
+ * Checks if `value` is `null`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+ * @example
+ *
+ * _.isNull(null);
+ * // => true
+ *
+ * _.isNull(void 0);
+ * // => false
+ */
+function isNull(value) {
+  return value === null;
+}
+
+module.exports = isNull;
diff --git a/web/public/node_modules/lodash/isNumber.js b/web/public/node_modules/lodash/isNumber.js
new file mode 100644
index 000000000..cd34ee464
--- /dev/null
+++ b/web/public/node_modules/lodash/isNumber.js
@@ -0,0 +1,38 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var numberTag = '[object Number]';
+
+/**
+ * Checks if `value` is classified as a `Number` primitive or object.
+ *
+ * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+ * classified as numbers, use the `_.isFinite` method.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+ * @example
+ *
+ * _.isNumber(3);
+ * // => true
+ *
+ * _.isNumber(Number.MIN_VALUE);
+ * // => true
+ *
+ * _.isNumber(Infinity);
+ * // => true
+ *
+ * _.isNumber('3');
+ * // => false
+ */
+function isNumber(value) {
+  return typeof value == 'number' ||
+    (isObjectLike(value) && baseGetTag(value) == numberTag);
+}
+
+module.exports = isNumber;
diff --git a/web/public/node_modules/lodash/isObject.js b/web/public/node_modules/lodash/isObject.js
new file mode 100644
index 000000000..1dc893918
--- /dev/null
+++ b/web/public/node_modules/lodash/isObject.js
@@ -0,0 +1,31 @@
+/**
+ * Checks if `value` is the
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
+ *
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
+ */
+function isObject(value) {
+  var type = typeof value;
+  return value != null && (type == 'object' || type == 'function');
+}
+
+module.exports = isObject;
diff --git a/web/public/node_modules/lodash/isObjectLike.js b/web/public/node_modules/lodash/isObjectLike.js
new file mode 100644
index 000000000..301716b5a
--- /dev/null
+++ b/web/public/node_modules/lodash/isObjectLike.js
@@ -0,0 +1,29 @@
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return value != null && typeof value == 'object';
+}
+
+module.exports = isObjectLike;
diff --git a/web/public/node_modules/lodash/isPlainObject.js b/web/public/node_modules/lodash/isPlainObject.js
new file mode 100644
index 000000000..238737313
--- /dev/null
+++ b/web/public/node_modules/lodash/isPlainObject.js
@@ -0,0 +1,62 @@
+var baseGetTag = require('./_baseGetTag'),
+    getPrototype = require('./_getPrototype'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var objectTag = '[object Object]';
+
+/** Used for built-in method references. */
+var funcProto = Function.prototype,
+    objectProto = Object.prototype;
+
+/** Used to resolve the decompiled source of functions. */
+var funcToString = funcProto.toString;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/** Used to infer the `Object` constructor. */
+var objectCtorString = funcToString.call(Object);
+
+/**
+ * Checks if `value` is a plain object, that is, an object created by the
+ * `Object` constructor or one with a `[[Prototype]]` of `null`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.8.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ * }
+ *
+ * _.isPlainObject(new Foo);
+ * // => false
+ *
+ * _.isPlainObject([1, 2, 3]);
+ * // => false
+ *
+ * _.isPlainObject({ 'x': 0, 'y': 0 });
+ * // => true
+ *
+ * _.isPlainObject(Object.create(null));
+ * // => true
+ */
+function isPlainObject(value) {
+  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+    return false;
+  }
+  var proto = getPrototype(value);
+  if (proto === null) {
+    return true;
+  }
+  var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
+  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+    funcToString.call(Ctor) == objectCtorString;
+}
+
+module.exports = isPlainObject;
diff --git a/web/public/node_modules/lodash/isRegExp.js b/web/public/node_modules/lodash/isRegExp.js
new file mode 100644
index 000000000..76c9b6e9c
--- /dev/null
+++ b/web/public/node_modules/lodash/isRegExp.js
@@ -0,0 +1,27 @@
+var baseIsRegExp = require('./_baseIsRegExp'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsRegExp = nodeUtil && nodeUtil.isRegExp;
+
+/**
+ * Checks if `value` is classified as a `RegExp` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+ * @example
+ *
+ * _.isRegExp(/abc/);
+ * // => true
+ *
+ * _.isRegExp('/abc/');
+ * // => false
+ */
+var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+
+module.exports = isRegExp;
diff --git a/web/public/node_modules/lodash/isSafeInteger.js b/web/public/node_modules/lodash/isSafeInteger.js
new file mode 100644
index 000000000..2a48526e1
--- /dev/null
+++ b/web/public/node_modules/lodash/isSafeInteger.js
@@ -0,0 +1,37 @@
+var isInteger = require('./isInteger');
+
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/**
+ * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
+ * double precision number which isn't the result of a rounded unsafe integer.
+ *
+ * **Note:** This method is based on
+ * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
+ * @example
+ *
+ * _.isSafeInteger(3);
+ * // => true
+ *
+ * _.isSafeInteger(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isSafeInteger(Infinity);
+ * // => false
+ *
+ * _.isSafeInteger('3');
+ * // => false
+ */
+function isSafeInteger(value) {
+  return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
+}
+
+module.exports = isSafeInteger;
diff --git a/web/public/node_modules/lodash/isSet.js b/web/public/node_modules/lodash/isSet.js
new file mode 100644
index 000000000..ab88bdf81
--- /dev/null
+++ b/web/public/node_modules/lodash/isSet.js
@@ -0,0 +1,27 @@
+var baseIsSet = require('./_baseIsSet'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsSet = nodeUtil && nodeUtil.isSet;
+
+/**
+ * Checks if `value` is classified as a `Set` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+ * @example
+ *
+ * _.isSet(new Set);
+ * // => true
+ *
+ * _.isSet(new WeakSet);
+ * // => false
+ */
+var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+
+module.exports = isSet;
diff --git a/web/public/node_modules/lodash/isString.js b/web/public/node_modules/lodash/isString.js
new file mode 100644
index 000000000..627eb9c38
--- /dev/null
+++ b/web/public/node_modules/lodash/isString.js
@@ -0,0 +1,30 @@
+var baseGetTag = require('./_baseGetTag'),
+    isArray = require('./isArray'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var stringTag = '[object String]';
+
+/**
+ * Checks if `value` is classified as a `String` primitive or object.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+ * @example
+ *
+ * _.isString('abc');
+ * // => true
+ *
+ * _.isString(1);
+ * // => false
+ */
+function isString(value) {
+  return typeof value == 'string' ||
+    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+}
+
+module.exports = isString;
diff --git a/web/public/node_modules/lodash/isSymbol.js b/web/public/node_modules/lodash/isSymbol.js
new file mode 100644
index 000000000..dfb60b97f
--- /dev/null
+++ b/web/public/node_modules/lodash/isSymbol.js
@@ -0,0 +1,29 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var symbolTag = '[object Symbol]';
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && baseGetTag(value) == symbolTag);
+}
+
+module.exports = isSymbol;
diff --git a/web/public/node_modules/lodash/isTypedArray.js b/web/public/node_modules/lodash/isTypedArray.js
new file mode 100644
index 000000000..da3f8dd19
--- /dev/null
+++ b/web/public/node_modules/lodash/isTypedArray.js
@@ -0,0 +1,27 @@
+var baseIsTypedArray = require('./_baseIsTypedArray'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+/**
+ * Checks if `value` is classified as a typed array.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+ * @example
+ *
+ * _.isTypedArray(new Uint8Array);
+ * // => true
+ *
+ * _.isTypedArray([]);
+ * // => false
+ */
+var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+module.exports = isTypedArray;
diff --git a/web/public/node_modules/lodash/isUndefined.js b/web/public/node_modules/lodash/isUndefined.js
new file mode 100644
index 000000000..377d121ab
--- /dev/null
+++ b/web/public/node_modules/lodash/isUndefined.js
@@ -0,0 +1,22 @@
+/**
+ * Checks if `value` is `undefined`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+ * @example
+ *
+ * _.isUndefined(void 0);
+ * // => true
+ *
+ * _.isUndefined(null);
+ * // => false
+ */
+function isUndefined(value) {
+  return value === undefined;
+}
+
+module.exports = isUndefined;
diff --git a/web/public/node_modules/lodash/isWeakMap.js b/web/public/node_modules/lodash/isWeakMap.js
new file mode 100644
index 000000000..8d36f6638
--- /dev/null
+++ b/web/public/node_modules/lodash/isWeakMap.js
@@ -0,0 +1,28 @@
+var getTag = require('./_getTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var weakMapTag = '[object WeakMap]';
+
+/**
+ * Checks if `value` is classified as a `WeakMap` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
+ * @example
+ *
+ * _.isWeakMap(new WeakMap);
+ * // => true
+ *
+ * _.isWeakMap(new Map);
+ * // => false
+ */
+function isWeakMap(value) {
+  return isObjectLike(value) && getTag(value) == weakMapTag;
+}
+
+module.exports = isWeakMap;
diff --git a/web/public/node_modules/lodash/isWeakSet.js b/web/public/node_modules/lodash/isWeakSet.js
new file mode 100644
index 000000000..e628b261c
--- /dev/null
+++ b/web/public/node_modules/lodash/isWeakSet.js
@@ -0,0 +1,28 @@
+var baseGetTag = require('./_baseGetTag'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var weakSetTag = '[object WeakSet]';
+
+/**
+ * Checks if `value` is classified as a `WeakSet` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
+ * @example
+ *
+ * _.isWeakSet(new WeakSet);
+ * // => true
+ *
+ * _.isWeakSet(new Set);
+ * // => false
+ */
+function isWeakSet(value) {
+  return isObjectLike(value) && baseGetTag(value) == weakSetTag;
+}
+
+module.exports = isWeakSet;
diff --git a/web/public/node_modules/lodash/iteratee.js b/web/public/node_modules/lodash/iteratee.js
new file mode 100644
index 000000000..61b73a8c0
--- /dev/null
+++ b/web/public/node_modules/lodash/iteratee.js
@@ -0,0 +1,53 @@
+var baseClone = require('./_baseClone'),
+    baseIteratee = require('./_baseIteratee');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1;
+
+/**
+ * Creates a function that invokes `func` with the arguments of the created
+ * function. If `func` is a property name, the created function returns the
+ * property value for a given element. If `func` is an array or object, the
+ * created function returns `true` for elements that contain the equivalent
+ * source properties, otherwise it returns `false`.
+ *
+ * @static
+ * @since 4.0.0
+ * @memberOf _
+ * @category Util
+ * @param {*} [func=_.identity] The value to convert to a callback.
+ * @returns {Function} Returns the callback.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36, 'active': true },
+ *   { 'user': 'fred',   'age': 40, 'active': false }
+ * ];
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
+ * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.filter(users, _.iteratee(['user', 'fred']));
+ * // => [{ 'user': 'fred', 'age': 40 }]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.map(users, _.iteratee('user'));
+ * // => ['barney', 'fred']
+ *
+ * // Create custom iteratee shorthands.
+ * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
+ *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
+ *     return func.test(string);
+ *   };
+ * });
+ *
+ * _.filter(['abc', 'def'], /ef/);
+ * // => ['def']
+ */
+function iteratee(func) {
+  return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
+}
+
+module.exports = iteratee;
diff --git a/web/public/node_modules/lodash/join.js b/web/public/node_modules/lodash/join.js
new file mode 100644
index 000000000..45de079ff
--- /dev/null
+++ b/web/public/node_modules/lodash/join.js
@@ -0,0 +1,26 @@
+/** Used for built-in method references. */
+var arrayProto = Array.prototype;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeJoin = arrayProto.join;
+
+/**
+ * Converts all elements in `array` into a string separated by `separator`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to convert.
+ * @param {string} [separator=','] The element separator.
+ * @returns {string} Returns the joined string.
+ * @example
+ *
+ * _.join(['a', 'b', 'c'], '~');
+ * // => 'a~b~c'
+ */
+function join(array, separator) {
+  return array == null ? '' : nativeJoin.call(array, separator);
+}
+
+module.exports = join;
diff --git a/web/public/node_modules/lodash/kebabCase.js b/web/public/node_modules/lodash/kebabCase.js
new file mode 100644
index 000000000..8a52be645
--- /dev/null
+++ b/web/public/node_modules/lodash/kebabCase.js
@@ -0,0 +1,28 @@
+var createCompounder = require('./_createCompounder');
+
+/**
+ * Converts `string` to
+ * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the kebab cased string.
+ * @example
+ *
+ * _.kebabCase('Foo Bar');
+ * // => 'foo-bar'
+ *
+ * _.kebabCase('fooBar');
+ * // => 'foo-bar'
+ *
+ * _.kebabCase('__FOO_BAR__');
+ * // => 'foo-bar'
+ */
+var kebabCase = createCompounder(function(result, word, index) {
+  return result + (index ? '-' : '') + word.toLowerCase();
+});
+
+module.exports = kebabCase;
diff --git a/web/public/node_modules/lodash/keyBy.js b/web/public/node_modules/lodash/keyBy.js
new file mode 100644
index 000000000..acc007a0a
--- /dev/null
+++ b/web/public/node_modules/lodash/keyBy.js
@@ -0,0 +1,36 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    createAggregator = require('./_createAggregator');
+
+/**
+ * Creates an object composed of keys generated from the results of running
+ * each element of `collection` thru `iteratee`. The corresponding value of
+ * each key is the last element responsible for generating the key. The
+ * iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+ * @returns {Object} Returns the composed aggregate object.
+ * @example
+ *
+ * var array = [
+ *   { 'dir': 'left', 'code': 97 },
+ *   { 'dir': 'right', 'code': 100 }
+ * ];
+ *
+ * _.keyBy(array, function(o) {
+ *   return String.fromCharCode(o.code);
+ * });
+ * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+ *
+ * _.keyBy(array, 'dir');
+ * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
+ */
+var keyBy = createAggregator(function(result, value, key) {
+  baseAssignValue(result, key, value);
+});
+
+module.exports = keyBy;
diff --git a/web/public/node_modules/lodash/keys.js b/web/public/node_modules/lodash/keys.js
new file mode 100644
index 000000000..d143c7186
--- /dev/null
+++ b/web/public/node_modules/lodash/keys.js
@@ -0,0 +1,37 @@
+var arrayLikeKeys = require('./_arrayLikeKeys'),
+    baseKeys = require('./_baseKeys'),
+    isArrayLike = require('./isArrayLike');
+
+/**
+ * Creates an array of the own enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects. See the
+ * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+ * for more details.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.keys(new Foo);
+ * // => ['a', 'b'] (iteration order is not guaranteed)
+ *
+ * _.keys('hi');
+ * // => ['0', '1']
+ */
+function keys(object) {
+  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+}
+
+module.exports = keys;
diff --git a/web/public/node_modules/lodash/keysIn.js b/web/public/node_modules/lodash/keysIn.js
new file mode 100644
index 000000000..a62308f2c
--- /dev/null
+++ b/web/public/node_modules/lodash/keysIn.js
@@ -0,0 +1,32 @@
+var arrayLikeKeys = require('./_arrayLikeKeys'),
+    baseKeysIn = require('./_baseKeysIn'),
+    isArrayLike = require('./isArrayLike');
+
+/**
+ * Creates an array of the own and inherited enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.keysIn(new Foo);
+ * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+ */
+function keysIn(object) {
+  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+}
+
+module.exports = keysIn;
diff --git a/web/public/node_modules/lodash/lang.js b/web/public/node_modules/lodash/lang.js
new file mode 100644
index 000000000..a3962169a
--- /dev/null
+++ b/web/public/node_modules/lodash/lang.js
@@ -0,0 +1,58 @@
+module.exports = {
+  'castArray': require('./castArray'),
+  'clone': require('./clone'),
+  'cloneDeep': require('./cloneDeep'),
+  'cloneDeepWith': require('./cloneDeepWith'),
+  'cloneWith': require('./cloneWith'),
+  'conformsTo': require('./conformsTo'),
+  'eq': require('./eq'),
+  'gt': require('./gt'),
+  'gte': require('./gte'),
+  'isArguments': require('./isArguments'),
+  'isArray': require('./isArray'),
+  'isArrayBuffer': require('./isArrayBuffer'),
+  'isArrayLike': require('./isArrayLike'),
+  'isArrayLikeObject': require('./isArrayLikeObject'),
+  'isBoolean': require('./isBoolean'),
+  'isBuffer': require('./isBuffer'),
+  'isDate': require('./isDate'),
+  'isElement': require('./isElement'),
+  'isEmpty': require('./isEmpty'),
+  'isEqual': require('./isEqual'),
+  'isEqualWith': require('./isEqualWith'),
+  'isError': require('./isError'),
+  'isFinite': require('./isFinite'),
+  'isFunction': require('./isFunction'),
+  'isInteger': require('./isInteger'),
+  'isLength': require('./isLength'),
+  'isMap': require('./isMap'),
+  'isMatch': require('./isMatch'),
+  'isMatchWith': require('./isMatchWith'),
+  'isNaN': require('./isNaN'),
+  'isNative': require('./isNative'),
+  'isNil': require('./isNil'),
+  'isNull': require('./isNull'),
+  'isNumber': require('./isNumber'),
+  'isObject': require('./isObject'),
+  'isObjectLike': require('./isObjectLike'),
+  'isPlainObject': require('./isPlainObject'),
+  'isRegExp': require('./isRegExp'),
+  'isSafeInteger': require('./isSafeInteger'),
+  'isSet': require('./isSet'),
+  'isString': require('./isString'),
+  'isSymbol': require('./isSymbol'),
+  'isTypedArray': require('./isTypedArray'),
+  'isUndefined': require('./isUndefined'),
+  'isWeakMap': require('./isWeakMap'),
+  'isWeakSet': require('./isWeakSet'),
+  'lt': require('./lt'),
+  'lte': require('./lte'),
+  'toArray': require('./toArray'),
+  'toFinite': require('./toFinite'),
+  'toInteger': require('./toInteger'),
+  'toLength': require('./toLength'),
+  'toNumber': require('./toNumber'),
+  'toPlainObject': require('./toPlainObject'),
+  'toSafeInteger': require('./toSafeInteger'),
+  'toString': require('./toString')
+};
diff --git a/web/public/node_modules/lodash/last.js b/web/public/node_modules/lodash/last.js
new file mode 100644
index 000000000..cad1eafaf
--- /dev/null
+++ b/web/public/node_modules/lodash/last.js
@@ -0,0 +1,20 @@
+/**
+ * Gets the last element of `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @returns {*} Returns the last element of `array`.
+ * @example
+ *
+ * _.last([1, 2, 3]);
+ * // => 3
+ */
+function last(array) {
+  var length = array == null ? 0 : array.length;
+  return length ? array[length - 1] : undefined;
+}
+
+module.exports = last;
diff --git a/web/public/node_modules/lodash/lastIndexOf.js b/web/public/node_modules/lodash/lastIndexOf.js
new file mode 100644
index 000000000..dabfb613a
--- /dev/null
+++ b/web/public/node_modules/lodash/lastIndexOf.js
@@ -0,0 +1,46 @@
+var baseFindIndex = require('./_baseFindIndex'),
+    baseIsNaN = require('./_baseIsNaN'),
+    strictLastIndexOf = require('./_strictLastIndexOf'),
+    toInteger = require('./toInteger');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max,
+    nativeMin = Math.min;
+
+/**
+ * This method is like `_.indexOf` except that it iterates over elements of
+ * `array` from right to left.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @param {number} [fromIndex=array.length-1] The index to search from.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ * @example
+ *
+ * _.lastIndexOf([1, 2, 1, 2], 2);
+ * // => 3
+ *
+ * // Search from the `fromIndex`.
+ * _.lastIndexOf([1, 2, 1, 2], 2, 2);
+ * // => 1
+ */
+function lastIndexOf(array, value, fromIndex) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return -1;
+  }
+  var index = length;
+  if (fromIndex !== undefined) {
+    index = toInteger(fromIndex);
+    index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
+  }
+  return value === value
+    ? strictLastIndexOf(array, value, index)
+    : baseFindIndex(array, baseIsNaN, index, true);
+}
+
+module.exports = lastIndexOf;
diff --git a/web/public/node_modules/lodash/lodash.js b/web/public/node_modules/lodash/lodash.js
new file mode 100644
index 000000000..4131e936c
--- /dev/null
+++ b/web/public/node_modules/lodash/lodash.js
@@ -0,0 +1,17209 @@
+/**
+ * @license
+ * Lodash <https://lodash.com/>
+ * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+ * Released under MIT license <https://lodash.com/license>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
+;(function() {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /** Used as the semantic version number. */
+  var VERSION = '4.17.21';
+
+  /** Used as the size to enable large array optimizations. */
+  var LARGE_ARRAY_SIZE = 200;
+
+  /** Error message constants. */
+  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
+      FUNC_ERROR_TEXT = 'Expected a function',
+      INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';
+
+  /** Used to stand-in for `undefined` hash values. */
+  var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+  /** Used as the maximum memoize cache size. */
+  var MAX_MEMOIZE_SIZE = 500;
+
+  /** Used as the internal argument placeholder. */
+  var PLACEHOLDER = '__lodash_placeholder__';
+
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_FLAT_FLAG = 2,
+      CLONE_SYMBOLS_FLAG = 4;
+
+  /** Used to compose bitmasks for value comparisons. */
+  var COMPARE_PARTIAL_FLAG = 1,
+      COMPARE_UNORDERED_FLAG = 2;
+
+  /** Used to compose bitmasks for function metadata. */
+  var WRAP_BIND_FLAG = 1,
+      WRAP_BIND_KEY_FLAG = 2,
+      WRAP_CURRY_BOUND_FLAG = 4,
+      WRAP_CURRY_FLAG = 8,
+      WRAP_CURRY_RIGHT_FLAG = 16,
+      WRAP_PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_RIGHT_FLAG = 64,
+      WRAP_ARY_FLAG = 128,
+      WRAP_REARG_FLAG = 256,
+      WRAP_FLIP_FLAG = 512;
+
+  /** Used as default options for `_.truncate`. */
+  var DEFAULT_TRUNC_LENGTH = 30,
+      DEFAULT_TRUNC_OMISSION = '...';
+
+  /** Used to detect hot functions by number of calls within a span of milliseconds. */
+  var HOT_COUNT = 800,
+      HOT_SPAN = 16;
+
+  /** Used to indicate the type of lazy iteratees. */
+  var LAZY_FILTER_FLAG = 1,
+      LAZY_MAP_FLAG = 2,
+      LAZY_WHILE_FLAG = 3;
+
+  /** Used as references for various `Number` constants. */
+  var INFINITY = 1 / 0,
+      MAX_SAFE_INTEGER = 9007199254740991,
+      MAX_INTEGER = 1.7976931348623157e+308,
+      NAN = 0 / 0;
+
+  /** Used as references for the maximum length and index of an array. */
+  var MAX_ARRAY_LENGTH = 4294967295,
+      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
+      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+
+  /** Used to associate wrap methods with their bit flags. */
+  var wrapFlags = [
+    ['ary', WRAP_ARY_FLAG],
+    ['bind', WRAP_BIND_FLAG],
+    ['bindKey', WRAP_BIND_KEY_FLAG],
+    ['curry', WRAP_CURRY_FLAG],
+    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
+    ['flip', WRAP_FLIP_FLAG],
+    ['partial', WRAP_PARTIAL_FLAG],
+    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
+    ['rearg', WRAP_REARG_FLAG]
+  ];
+
+  /** `Object#toString` result references. */
+  var argsTag = '[object Arguments]',
+      arrayTag = '[object Array]',
+      asyncTag = '[object AsyncFunction]',
+      boolTag = '[object Boolean]',
+      dateTag = '[object Date]',
+      domExcTag = '[object DOMException]',
+      errorTag = '[object Error]',
+      funcTag = '[object Function]',
+      genTag = '[object GeneratorFunction]',
+      mapTag = '[object Map]',
+      numberTag = '[object Number]',
+      nullTag = '[object Null]',
+      objectTag = '[object Object]',
+      promiseTag = '[object Promise]',
+      proxyTag = '[object Proxy]',
+      regexpTag = '[object RegExp]',
+      setTag = '[object Set]',
+      stringTag = '[object String]',
+      symbolTag = '[object Symbol]',
+      undefinedTag = '[object Undefined]',
+      weakMapTag = '[object WeakMap]',
+      weakSetTag = '[object WeakSet]';
+
+  var arrayBufferTag = '[object ArrayBuffer]',
+      dataViewTag = '[object DataView]',
+      float32Tag = '[object Float32Array]',
+      float64Tag = '[object Float64Array]',
+      int8Tag = '[object Int8Array]',
+      int16Tag = '[object Int16Array]',
+      int32Tag = '[object Int32Array]',
+      uint8Tag = '[object Uint8Array]',
+      uint8ClampedTag = '[object Uint8ClampedArray]',
+      uint16Tag = '[object Uint16Array]',
+      uint32Tag = '[object Uint32Array]';
+
+  /** Used to match empty string literals in compiled template source. */
+  var reEmptyStringLeading = /\b__p \+= '';/g,
+      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
+      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+
+  /** Used to match HTML entities and HTML characters. */
+  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
+      reUnescapedHtml = /[&<>"']/g,
+      reHasEscapedHtml = RegExp(reEscapedHtml.source),
+      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+
+  /** Used to match template delimiters. */
+  var reEscape = /<%-([\s\S]+?)%>/g,
+      reEvaluate = /<%([\s\S]+?)%>/g,
+      reInterpolate = /<%=([\s\S]+?)%>/g;
+
+  /** Used to match property names within property paths. */
+  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+      reIsPlainProp = /^\w*$/,
+      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+  /**
+   * Used to match `RegExp`
+   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+   */
+  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
+      reHasRegExpChar = RegExp(reRegExpChar.source);
+
+  /** Used to match leading whitespace. */
+  var reTrimStart = /^\s+/;
+
+  /** Used to match a single whitespace character. */
+  var reWhitespace = /\s/;
+
+  /** Used to match wrap detail comments. */
+  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
+      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
+      reSplitDetails = /,? & /;
+
+  /** Used to match words composed of alphanumeric characters. */
+  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+
+  /**
+   * Used to validate the `validate` option in `_.template` variable.
+   *
+   * Forbids characters which could potentially change the meaning of the function argument definition:
+   * - "()," (modification of function parameters)
+   * - "=" (default value)
+   * - "[]{}" (destructuring of function parameters)
+   * - "/" (beginning of a comment)
+   * - whitespace
+   */
+  var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/;
+
+  /** Used to match backslashes in property paths. */
+  var reEscapeChar = /\\(\\)?/g;
+
+  /**
+   * Used to match
+   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
+   */
+  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+
+  /** Used to match `RegExp` flags from their coerced string values. */
+  var reFlags = /\w*$/;
+
+  /** Used to detect bad signed hexadecimal string values. */
+  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+
+  /** Used to detect binary string values. */
+  var reIsBinary = /^0b[01]+$/i;
+
+  /** Used to detect host constructors (Safari). */
+  var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+  /** Used to detect octal string values. */
+  var reIsOctal = /^0o[0-7]+$/i;
+
+  /** Used to detect unsigned integer values. */
+  var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+  /** Used to match Latin Unicode letters (excluding mathematical operators). */
+  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
+
+  /** Used to ensure capturing order of template delimiters. */
+  var reNoMatch = /($^)/;
+
+  /** Used to match unescaped characters in compiled string literals. */
+  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+
+  /** Used to compose unicode character classes. */
+  var rsAstralRange = '\\ud800-\\udfff',
+      rsComboMarksRange = '\\u0300-\\u036f',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+      rsDingbatRange = '\\u2700-\\u27bf',
+      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
+      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
+      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
+      rsPunctuationRange = '\\u2000-\\u206f',
+      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
+      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
+      rsVarRange = '\\ufe0e\\ufe0f',
+      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
+
+  /** Used to compose unicode capture groups. */
+  var rsApos = "['\u2019]",
+      rsAstral = '[' + rsAstralRange + ']',
+      rsBreak = '[' + rsBreakRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
+      rsDigits = '\\d+',
+      rsDingbat = '[' + rsDingbatRange + ']',
+      rsLower = '[' + rsLowerRange + ']',
+      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
+      rsFitz = '\\ud83c[\\udffb-\\udfff]',
+      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+      rsNonAstral = '[^' + rsAstralRange + ']',
+      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+      rsUpper = '[' + rsUpperRange + ']',
+      rsZWJ = '\\u200d';
+
+  /** Used to compose unicode regexes. */
+  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
+      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
+      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
+      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
+      reOptMod = rsModifier + '?',
+      rsOptVar = '[' + rsVarRange + ']?',
+      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
+      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
+      rsSeq = rsOptVar + reOptMod + rsOptJoin,
+      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
+      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+  /** Used to match apostrophes. */
+  var reApos = RegExp(rsApos, 'g');
+
+  /**
+   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
+   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
+   */
+  var reComboMark = RegExp(rsCombo, 'g');
+
+  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+  /** Used to match complex or compound words. */
+  var reUnicodeWord = RegExp([
+    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
+    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
+    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
+    rsUpper + '+' + rsOptContrUpper,
+    rsOrdUpper,
+    rsOrdLower,
+    rsDigits,
+    rsEmoji
+  ].join('|'), 'g');
+
+  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+  /** Used to detect strings that need a more robust regexp to match words. */
+  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+
+  /** Used to assign default `context` object properties. */
+  var contextProps = [
+    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
+    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
+    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
+    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
+    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
+  ];
+
+  /** Used to make template sourceURLs easier to identify. */
+  var templateCounter = -1;
+
+  /** Used to identify `toStringTag` values of typed arrays. */
+  var typedArrayTags = {};
+  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+  typedArrayTags[uint32Tag] = true;
+  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
+  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+  typedArrayTags[setTag] = typedArrayTags[stringTag] =
+  typedArrayTags[weakMapTag] = false;
+
+  /** Used to identify `toStringTag` values supported by `_.clone`. */
+  var cloneableTags = {};
+  cloneableTags[argsTag] = cloneableTags[arrayTag] =
+  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
+  cloneableTags[boolTag] = cloneableTags[dateTag] =
+  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
+  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
+  cloneableTags[int32Tag] = cloneableTags[mapTag] =
+  cloneableTags[numberTag] = cloneableTags[objectTag] =
+  cloneableTags[regexpTag] = cloneableTags[setTag] =
+  cloneableTags[stringTag] = cloneableTags[symbolTag] =
+  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+  cloneableTags[errorTag] = cloneableTags[funcTag] =
+  cloneableTags[weakMapTag] = false;
+
+  /** Used to map Latin Unicode letters to basic Latin letters. */
+  var deburredLetters = {
+    // Latin-1 Supplement block.
+    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
+    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
+    '\xc7': 'C',  '\xe7': 'c',
+    '\xd0': 'D',  '\xf0': 'd',
+    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
+    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
+    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
+    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
+    '\xd1': 'N',  '\xf1': 'n',
+    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
+    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
+    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
+    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
+    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
+    '\xc6': 'Ae', '\xe6': 'ae',
+    '\xde': 'Th', '\xfe': 'th',
+    '\xdf': 'ss',
+    // Latin Extended-A block.
+    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
+    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
+    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
+    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
+    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
+    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
+    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
+    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
+    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
+    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
+    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
+    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
+    '\u0134': 'J',  '\u0135': 'j',
+    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
+    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
+    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
+    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
+    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
+    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
+    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
+    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
+    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
+    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
+    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
+    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
+    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
+    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
+    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
+    '\u0174': 'W',  '\u0175': 'w',
+    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
+    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
+    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
+    '\u0132': 'IJ', '\u0133': 'ij',
+    '\u0152': 'Oe', '\u0153': 'oe',
+    '\u0149': "'n", '\u017f': 's'
+  };
+
+  /** Used to map characters to HTML entities. */
+  var htmlEscapes = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;'
+  };
+
+  /** Used to map HTML entities to characters. */
+  var htmlUnescapes = {
+    '&amp;': '&',
+    '&lt;': '<',
+    '&gt;': '>',
+    '&quot;': '"',
+    '&#39;': "'"
+  };
+
+  /** Used to escape characters for inclusion in compiled string literals. */
+  var stringEscapes = {
+    '\\': '\\',
+    "'": "'",
+    '\n': 'n',
+    '\r': 'r',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  /** Built-in method references without a dependency on `root`. */
+  var freeParseFloat = parseFloat,
+      freeParseInt = parseInt;
+
+  /** Detect free variable `global` from Node.js. */
+  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+  /** Detect free variable `self`. */
+  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+  /** Used as a reference to the global object. */
+  var root = freeGlobal || freeSelf || Function('return this')();
+
+  /** Detect free variable `exports`. */
+  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+  /** Detect free variable `module`. */
+  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+  /** Detect the popular CommonJS extension `module.exports`. */
+  var moduleExports = freeModule && freeModule.exports === freeExports;
+
+  /** Detect free variable `process` from Node.js. */
+  var freeProcess = moduleExports && freeGlobal.process;
+
+  /** Used to access faster Node.js helpers. */
+  var nodeUtil = (function() {
+    try {
+      // Use `util.types` for Node.js 10+.
+      var types = freeModule && freeModule.require && freeModule.require('util').types;
+
+      if (types) {
+        return types;
+      }
+
+      // Legacy `process.binding('util')` for Node.js < 10.
+      return freeProcess && freeProcess.binding && freeProcess.binding('util');
+    } catch (e) {}
+  }());
+
+  /* Node.js helper references. */
+  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
+      nodeIsDate = nodeUtil && nodeUtil.isDate,
+      nodeIsMap = nodeUtil && nodeUtil.isMap,
+      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
+      nodeIsSet = nodeUtil && nodeUtil.isSet,
+      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * A faster alternative to `Function#apply`, this function invokes `func`
+   * with the `this` binding of `thisArg` and the arguments of `args`.
+   *
+   * @private
+   * @param {Function} func The function to invoke.
+   * @param {*} thisArg The `this` binding of `func`.
+   * @param {Array} args The arguments to invoke `func` with.
+   * @returns {*} Returns the result of `func`.
+   */
+  function apply(func, thisArg, args) {
+    switch (args.length) {
+      case 0: return func.call(thisArg);
+      case 1: return func.call(thisArg, args[0]);
+      case 2: return func.call(thisArg, args[0], args[1]);
+      case 3: return func.call(thisArg, args[0], args[1], args[2]);
+    }
+    return func.apply(thisArg, args);
+  }
+
+  /**
+   * A specialized version of `baseAggregator` for arrays.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} setter The function to set `accumulator` values.
+   * @param {Function} iteratee The iteratee to transform keys.
+   * @param {Object} accumulator The initial aggregated object.
+   * @returns {Function} Returns `accumulator`.
+   */
+  function arrayAggregator(array, setter, iteratee, accumulator) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      var value = array[index];
+      setter(accumulator, value, iteratee(value), array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.forEach` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayEach(array, iteratee) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (iteratee(array[index], index, array) === false) {
+        break;
+      }
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.forEachRight` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayEachRight(array, iteratee) {
+    var length = array == null ? 0 : array.length;
+
+    while (length--) {
+      if (iteratee(array[length], length, array) === false) {
+        break;
+      }
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.every` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if all elements pass the predicate check,
+   *  else `false`.
+   */
+  function arrayEvery(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (!predicate(array[index], index, array)) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * A specialized version of `_.filter` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {Array} Returns the new filtered array.
+   */
+  function arrayFilter(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length,
+        resIndex = 0,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index];
+      if (predicate(value, index, array)) {
+        result[resIndex++] = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * A specialized version of `_.includes` for arrays without support for
+   * specifying an index to search from.
+   *
+   * @private
+   * @param {Array} [array] The array to inspect.
+   * @param {*} target The value to search for.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludes(array, value) {
+    var length = array == null ? 0 : array.length;
+    return !!length && baseIndexOf(array, value, 0) > -1;
+  }
+
+  /**
+   * This function is like `arrayIncludes` except that it accepts a comparator.
+   *
+   * @private
+   * @param {Array} [array] The array to inspect.
+   * @param {*} target The value to search for.
+   * @param {Function} comparator The comparator invoked per element.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludesWith(array, value, comparator) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (comparator(value, array[index])) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * A specialized version of `_.map` for arrays without support for iteratee
+   * shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the new mapped array.
+   */
+  function arrayMap(array, iteratee) {
+    var index = -1,
+        length = array == null ? 0 : array.length,
+        result = Array(length);
+
+    while (++index < length) {
+      result[index] = iteratee(array[index], index, array);
+    }
+    return result;
+  }
+
+  /**
+   * Appends the elements of `values` to `array`.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {Array} values The values to append.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayPush(array, values) {
+    var index = -1,
+        length = values.length,
+        offset = array.length;
+
+    while (++index < length) {
+      array[offset + index] = values[index];
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.reduce` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @param {boolean} [initAccum] Specify using the first element of `array` as
+   *  the initial value.
+   * @returns {*} Returns the accumulated value.
+   */
+  function arrayReduce(array, iteratee, accumulator, initAccum) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    if (initAccum && length) {
+      accumulator = array[++index];
+    }
+    while (++index < length) {
+      accumulator = iteratee(accumulator, array[index], index, array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.reduceRight` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @param {boolean} [initAccum] Specify using the last element of `array` as
+   *  the initial value.
+   * @returns {*} Returns the accumulated value.
+   */
+  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
+    var length = array == null ? 0 : array.length;
+    if (initAccum && length) {
+      accumulator = array[--length];
+    }
+    while (length--) {
+      accumulator = iteratee(accumulator, array[length], length, array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.some` for arrays without support for iteratee
+   * shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if any element passes the predicate check,
+   *  else `false`.
+   */
+  function arraySome(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (predicate(array[index], index, array)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Gets the size of an ASCII `string`.
+   *
+   * @private
+   * @param {string} string The string inspect.
+   * @returns {number} Returns the string size.
+   */
+  var asciiSize = baseProperty('length');
+
+  /**
+   * Converts an ASCII `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function asciiToArray(string) {
+    return string.split('');
+  }
+
+  /**
+   * Splits an ASCII `string` into an array of its words.
+   *
+   * @private
+   * @param {string} The string to inspect.
+   * @returns {Array} Returns the words of `string`.
+   */
+  function asciiWords(string) {
+    return string.match(reAsciiWord) || [];
+  }
+
+  /**
+   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+   * without support for iteratee shorthands, which iterates over `collection`
+   * using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the found element or its key, else `undefined`.
+   */
+  function baseFindKey(collection, predicate, eachFunc) {
+    var result;
+    eachFunc(collection, function(value, key, collection) {
+      if (predicate(value, key, collection)) {
+        result = key;
+        return false;
+      }
+    });
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.findIndex` and `_.findLastIndex` without
+   * support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {number} fromIndex The index to search from.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseFindIndex(array, predicate, fromIndex, fromRight) {
+    var length = array.length,
+        index = fromIndex + (fromRight ? 1 : -1);
+
+    while ((fromRight ? index-- : ++index < length)) {
+      if (predicate(array[index], index, array)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOf(array, value, fromIndex) {
+    return value === value
+      ? strictIndexOf(array, value, fromIndex)
+      : baseFindIndex(array, baseIsNaN, fromIndex);
+  }
+
+  /**
+   * This function is like `baseIndexOf` except that it accepts a comparator.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @param {Function} comparator The comparator invoked per element.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOfWith(array, value, fromIndex, comparator) {
+    var index = fromIndex - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (comparator(array[index], value)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.isNaN` without support for number objects.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+   */
+  function baseIsNaN(value) {
+    return value !== value;
+  }
+
+  /**
+   * The base implementation of `_.mean` and `_.meanBy` without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the mean.
+   */
+  function baseMean(array, iteratee) {
+    var length = array == null ? 0 : array.length;
+    return length ? (baseSum(array, iteratee) / length) : NAN;
+  }
+
+  /**
+   * The base implementation of `_.property` without support for deep paths.
+   *
+   * @private
+   * @param {string} key The key of the property to get.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function baseProperty(key) {
+    return function(object) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.propertyOf` without support for deep paths.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function basePropertyOf(object) {
+    return function(key) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.reduce` and `_.reduceRight`, without support
+   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} accumulator The initial value.
+   * @param {boolean} initAccum Specify using the first or last element of
+   *  `collection` as the initial value.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the accumulated value.
+   */
+  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+    eachFunc(collection, function(value, index, collection) {
+      accumulator = initAccum
+        ? (initAccum = false, value)
+        : iteratee(accumulator, value, index, collection);
+    });
+    return accumulator;
+  }
+
+  /**
+   * The base implementation of `_.sortBy` which uses `comparer` to define the
+   * sort order of `array` and replaces criteria objects with their corresponding
+   * values.
+   *
+   * @private
+   * @param {Array} array The array to sort.
+   * @param {Function} comparer The function to define sort order.
+   * @returns {Array} Returns `array`.
+   */
+  function baseSortBy(array, comparer) {
+    var length = array.length;
+
+    array.sort(comparer);
+    while (length--) {
+      array[length] = array[length].value;
+    }
+    return array;
+  }
+
+  /**
+   * The base implementation of `_.sum` and `_.sumBy` without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the sum.
+   */
+  function baseSum(array, iteratee) {
+    var result,
+        index = -1,
+        length = array.length;
+
+    while (++index < length) {
+      var current = iteratee(array[index]);
+      if (current !== undefined) {
+        result = result === undefined ? current : (result + current);
+      }
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.times` without support for iteratee shorthands
+   * or max array length checks.
+   *
+   * @private
+   * @param {number} n The number of times to invoke `iteratee`.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the array of results.
+   */
+  function baseTimes(n, iteratee) {
+    var index = -1,
+        result = Array(n);
+
+    while (++index < n) {
+      result[index] = iteratee(index);
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
+   * of key-value pairs for `object` corresponding to the property names of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the key-value pairs.
+   */
+  function baseToPairs(object, props) {
+    return arrayMap(props, function(key) {
+      return [key, object[key]];
+    });
+  }
+
+  /**
+   * The base implementation of `_.trim`.
+   *
+   * @private
+   * @param {string} string The string to trim.
+   * @returns {string} Returns the trimmed string.
+   */
+  function baseTrim(string) {
+    return string
+      ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')
+      : string;
+  }
+
+  /**
+   * The base implementation of `_.unary` without support for storing metadata.
+   *
+   * @private
+   * @param {Function} func The function to cap arguments for.
+   * @returns {Function} Returns the new capped function.
+   */
+  function baseUnary(func) {
+    return function(value) {
+      return func(value);
+    };
+  }
+
+  /**
+   * The base implementation of `_.values` and `_.valuesIn` which creates an
+   * array of `object` property values corresponding to the property names
+   * of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the array of property values.
+   */
+  function baseValues(object, props) {
+    return arrayMap(props, function(key) {
+      return object[key];
+    });
+  }
+
+  /**
+   * Checks if a `cache` value for `key` exists.
+   *
+   * @private
+   * @param {Object} cache The cache to query.
+   * @param {string} key The key of the entry to check.
+   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+   */
+  function cacheHas(cache, key) {
+    return cache.has(key);
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+   * that is not found in the character symbols.
+   *
+   * @private
+   * @param {Array} strSymbols The string symbols to inspect.
+   * @param {Array} chrSymbols The character symbols to find.
+   * @returns {number} Returns the index of the first unmatched string symbol.
+   */
+  function charsStartIndex(strSymbols, chrSymbols) {
+    var index = -1,
+        length = strSymbols.length;
+
+    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+   * that is not found in the character symbols.
+   *
+   * @private
+   * @param {Array} strSymbols The string symbols to inspect.
+   * @param {Array} chrSymbols The character symbols to find.
+   * @returns {number} Returns the index of the last unmatched string symbol.
+   */
+  function charsEndIndex(strSymbols, chrSymbols) {
+    var index = strSymbols.length;
+
+    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+    return index;
+  }
+
+  /**
+   * Gets the number of `placeholder` occurrences in `array`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} placeholder The placeholder to search for.
+   * @returns {number} Returns the placeholder count.
+   */
+  function countHolders(array, placeholder) {
+    var length = array.length,
+        result = 0;
+
+    while (length--) {
+      if (array[length] === placeholder) {
+        ++result;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
+   * letters to basic Latin letters.
+   *
+   * @private
+   * @param {string} letter The matched letter to deburr.
+   * @returns {string} Returns the deburred letter.
+   */
+  var deburrLetter = basePropertyOf(deburredLetters);
+
+  /**
+   * Used by `_.escape` to convert characters to HTML entities.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  var escapeHtmlChar = basePropertyOf(htmlEscapes);
+
+  /**
+   * Used by `_.template` to escape characters for inclusion in compiled string literals.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  function escapeStringChar(chr) {
+    return '\\' + stringEscapes[chr];
+  }
+
+  /**
+   * Gets the value at `key` of `object`.
+   *
+   * @private
+   * @param {Object} [object] The object to query.
+   * @param {string} key The key of the property to get.
+   * @returns {*} Returns the property value.
+   */
+  function getValue(object, key) {
+    return object == null ? undefined : object[key];
+  }
+
+  /**
+   * Checks if `string` contains Unicode symbols.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+   */
+  function hasUnicode(string) {
+    return reHasUnicode.test(string);
+  }
+
+  /**
+   * Checks if `string` contains a word composed of Unicode symbols.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {boolean} Returns `true` if a word is found, else `false`.
+   */
+  function hasUnicodeWord(string) {
+    return reHasUnicodeWord.test(string);
+  }
+
+  /**
+   * Converts `iterator` to an array.
+   *
+   * @private
+   * @param {Object} iterator The iterator to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function iteratorToArray(iterator) {
+    var data,
+        result = [];
+
+    while (!(data = iterator.next()).done) {
+      result.push(data.value);
+    }
+    return result;
+  }
+
+  /**
+   * Converts `map` to its key-value pairs.
+   *
+   * @private
+   * @param {Object} map The map to convert.
+   * @returns {Array} Returns the key-value pairs.
+   */
+  function mapToArray(map) {
+    var index = -1,
+        result = Array(map.size);
+
+    map.forEach(function(value, key) {
+      result[++index] = [key, value];
+    });
+    return result;
+  }
+
+  /**
+   * Creates a unary function that invokes `func` with its argument transformed.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {Function} transform The argument transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overArg(func, transform) {
+    return function(arg) {
+      return func(transform(arg));
+    };
+  }
+
+  /**
+   * Replaces all `placeholder` elements in `array` with an internal placeholder
+   * and returns an array of their indexes.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {*} placeholder The placeholder to replace.
+   * @returns {Array} Returns the new array of placeholder indexes.
+   */
+  function replaceHolders(array, placeholder) {
+    var index = -1,
+        length = array.length,
+        resIndex = 0,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index];
+      if (value === placeholder || value === PLACEHOLDER) {
+        array[index] = PLACEHOLDER;
+        result[resIndex++] = index;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Converts `set` to an array of its values.
+   *
+   * @private
+   * @param {Object} set The set to convert.
+   * @returns {Array} Returns the values.
+   */
+  function setToArray(set) {
+    var index = -1,
+        result = Array(set.size);
+
+    set.forEach(function(value) {
+      result[++index] = value;
+    });
+    return result;
+  }
+
+  /**
+   * Converts `set` to its value-value pairs.
+   *
+   * @private
+   * @param {Object} set The set to convert.
+   * @returns {Array} Returns the value-value pairs.
+   */
+  function setToPairs(set) {
+    var index = -1,
+        result = Array(set.size);
+
+    set.forEach(function(value) {
+      result[++index] = [value, value];
+    });
+    return result;
+  }
+
+  /**
+   * A specialized version of `_.indexOf` which performs strict equality
+   * comparisons of values, i.e. `===`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function strictIndexOf(array, value, fromIndex) {
+    var index = fromIndex - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * A specialized version of `_.lastIndexOf` which performs strict equality
+   * comparisons of values, i.e. `===`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function strictLastIndexOf(array, value, fromIndex) {
+    var index = fromIndex + 1;
+    while (index--) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return index;
+  }
+
+  /**
+   * Gets the number of symbols in `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the string size.
+   */
+  function stringSize(string) {
+    return hasUnicode(string)
+      ? unicodeSize(string)
+      : asciiSize(string);
+  }
+
+  /**
+   * Converts `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function stringToArray(string) {
+    return hasUnicode(string)
+      ? unicodeToArray(string)
+      : asciiToArray(string);
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
+   * character of `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the index of the last non-whitespace character.
+   */
+  function trimmedEndIndex(string) {
+    var index = string.length;
+
+    while (index-- && reWhitespace.test(string.charAt(index))) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.unescape` to convert HTML entities to characters.
+   *
+   * @private
+   * @param {string} chr The matched character to unescape.
+   * @returns {string} Returns the unescaped character.
+   */
+  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
+
+  /**
+   * Gets the size of a Unicode `string`.
+   *
+   * @private
+   * @param {string} string The string inspect.
+   * @returns {number} Returns the string size.
+   */
+  function unicodeSize(string) {
+    var result = reUnicode.lastIndex = 0;
+    while (reUnicode.test(string)) {
+      ++result;
+    }
+    return result;
+  }
+
+  /**
+   * Converts a Unicode `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function unicodeToArray(string) {
+    return string.match(reUnicode) || [];
+  }
+
+  /**
+   * Splits a Unicode `string` into an array of its words.
+   *
+   * @private
+   * @param {string} The string to inspect.
+   * @returns {Array} Returns the words of `string`.
+   */
+  function unicodeWords(string) {
+    return string.match(reUnicodeWord) || [];
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Create a new pristine `lodash` function using the `context` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 1.1.0
+   * @category Util
+   * @param {Object} [context=root] The context object.
+   * @returns {Function} Returns a new `lodash` function.
+   * @example
+   *
+   * _.mixin({ 'foo': _.constant('foo') });
+   *
+   * var lodash = _.runInContext();
+   * lodash.mixin({ 'bar': lodash.constant('bar') });
+   *
+   * _.isFunction(_.foo);
+   * // => true
+   * _.isFunction(_.bar);
+   * // => false
+   *
+   * lodash.isFunction(lodash.foo);
+   * // => false
+   * lodash.isFunction(lodash.bar);
+   * // => true
+   *
+   * // Create a suped-up `defer` in Node.js.
+   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
+   */
+  var runInContext = (function runInContext(context) {
+    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
+
+    /** Built-in constructor references. */
+    var Array = context.Array,
+        Date = context.Date,
+        Error = context.Error,
+        Function = context.Function,
+        Math = context.Math,
+        Object = context.Object,
+        RegExp = context.RegExp,
+        String = context.String,
+        TypeError = context.TypeError;
+
+    /** Used for built-in method references. */
+    var arrayProto = Array.prototype,
+        funcProto = Function.prototype,
+        objectProto = Object.prototype;
+
+    /** Used to detect overreaching core-js shims. */
+    var coreJsData = context['__core-js_shared__'];
+
+    /** Used to resolve the decompiled source of functions. */
+    var funcToString = funcProto.toString;
+
+    /** Used to check objects for own properties. */
+    var hasOwnProperty = objectProto.hasOwnProperty;
+
+    /** Used to generate unique IDs. */
+    var idCounter = 0;
+
+    /** Used to detect methods masquerading as native. */
+    var maskSrcKey = (function() {
+      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+      return uid ? ('Symbol(src)_1.' + uid) : '';
+    }());
+
+    /**
+     * Used to resolve the
+     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+     * of values.
+     */
+    var nativeObjectToString = objectProto.toString;
+
+    /** Used to infer the `Object` constructor. */
+    var objectCtorString = funcToString.call(Object);
+
+    /** Used to restore the original `_` reference in `_.noConflict`. */
+    var oldDash = root._;
+
+    /** Used to detect if a method is native. */
+    var reIsNative = RegExp('^' +
+      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+    );
+
+    /** Built-in value references. */
+    var Buffer = moduleExports ? context.Buffer : undefined,
+        Symbol = context.Symbol,
+        Uint8Array = context.Uint8Array,
+        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
+        getPrototype = overArg(Object.getPrototypeOf, Object),
+        objectCreate = Object.create,
+        propertyIsEnumerable = objectProto.propertyIsEnumerable,
+        splice = arrayProto.splice,
+        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
+        symIterator = Symbol ? Symbol.iterator : undefined,
+        symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+    var defineProperty = (function() {
+      try {
+        var func = getNative(Object, 'defineProperty');
+        func({}, '', {});
+        return func;
+      } catch (e) {}
+    }());
+
+    /** Mocked built-ins. */
+    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
+        ctxNow = Date && Date.now !== root.Date.now && Date.now,
+        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
+
+    /* Built-in method references for those with the same name as other `lodash` methods. */
+    var nativeCeil = Math.ceil,
+        nativeFloor = Math.floor,
+        nativeGetSymbols = Object.getOwnPropertySymbols,
+        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
+        nativeIsFinite = context.isFinite,
+        nativeJoin = arrayProto.join,
+        nativeKeys = overArg(Object.keys, Object),
+        nativeMax = Math.max,
+        nativeMin = Math.min,
+        nativeNow = Date.now,
+        nativeParseInt = context.parseInt,
+        nativeRandom = Math.random,
+        nativeReverse = arrayProto.reverse;
+
+    /* Built-in method references that are verified to be native. */
+    var DataView = getNative(context, 'DataView'),
+        Map = getNative(context, 'Map'),
+        Promise = getNative(context, 'Promise'),
+        Set = getNative(context, 'Set'),
+        WeakMap = getNative(context, 'WeakMap'),
+        nativeCreate = getNative(Object, 'create');
+
+    /** Used to store function metadata. */
+    var metaMap = WeakMap && new WeakMap;
+
+    /** Used to lookup unminified function names. */
+    var realNames = {};
+
+    /** Used to detect maps, sets, and weakmaps. */
+    var dataViewCtorString = toSource(DataView),
+        mapCtorString = toSource(Map),
+        promiseCtorString = toSource(Promise),
+        setCtorString = toSource(Set),
+        weakMapCtorString = toSource(WeakMap);
+
+    /** Used to convert symbols to primitives and strings. */
+    var symbolProto = Symbol ? Symbol.prototype : undefined,
+        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
+        symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` object which wraps `value` to enable implicit method
+     * chain sequences. Methods that operate on and return arrays, collections,
+     * and functions can be chained together. Methods that retrieve a single value
+     * or may return a primitive value will automatically end the chain sequence
+     * and return the unwrapped value. Otherwise, the value must be unwrapped
+     * with `_#value`.
+     *
+     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
+     * enabled using `_.chain`.
+     *
+     * The execution of chained methods is lazy, that is, it's deferred until
+     * `_#value` is implicitly or explicitly called.
+     *
+     * Lazy evaluation allows several methods to support shortcut fusion.
+     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
+     * the creation of intermediate arrays and can greatly reduce the number of
+     * iteratee executions. Sections of a chain sequence qualify for shortcut
+     * fusion if the section is applied to an array and iteratees accept only
+     * one argument. The heuristic for whether a section qualifies for shortcut
+     * fusion is subject to change.
+     *
+     * Chaining is supported in custom builds as long as the `_#value` method is
+     * directly or indirectly included in the build.
+     *
+     * In addition to lodash methods, wrappers have `Array` and `String` methods.
+     *
+     * The wrapper `Array` methods are:
+     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
+     *
+     * The wrapper `String` methods are:
+     * `replace` and `split`
+     *
+     * The wrapper methods that support shortcut fusion are:
+     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
+     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
+     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
+     *
+     * The chainable wrapper methods are:
+     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
+     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
+     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
+     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
+     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
+     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
+     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
+     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
+     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
+     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
+     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
+     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
+     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
+     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
+     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
+     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
+     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
+     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
+     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
+     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
+     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
+     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
+     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
+     * `zipObject`, `zipObjectDeep`, and `zipWith`
+     *
+     * The wrapper methods that are **not** chainable by default are:
+     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
+     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
+     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
+     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
+     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
+     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
+     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
+     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
+     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
+     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
+     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
+     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
+     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
+     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
+     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
+     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
+     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
+     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
+     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
+     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
+     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
+     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
+     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
+     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
+     * `upperFirst`, `value`, and `words`
+     *
+     * @name _
+     * @constructor
+     * @category Seq
+     * @param {*} value The value to wrap in a `lodash` instance.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // Returns an unwrapped value.
+     * wrapped.reduce(_.add);
+     * // => 6
+     *
+     * // Returns a wrapped value.
+     * var squares = wrapped.map(square);
+     *
+     * _.isArray(squares);
+     * // => false
+     *
+     * _.isArray(squares.value());
+     * // => true
+     */
+    function lodash(value) {
+      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
+        if (value instanceof LodashWrapper) {
+          return value;
+        }
+        if (hasOwnProperty.call(value, '__wrapped__')) {
+          return wrapperClone(value);
+        }
+      }
+      return new LodashWrapper(value);
+    }
+
+    /**
+     * The base implementation of `_.create` without support for assigning
+     * properties to the created object.
+     *
+     * @private
+     * @param {Object} proto The object to inherit from.
+     * @returns {Object} Returns the new object.
+     */
+    var baseCreate = (function() {
+      function object() {}
+      return function(proto) {
+        if (!isObject(proto)) {
+          return {};
+        }
+        if (objectCreate) {
+          return objectCreate(proto);
+        }
+        object.prototype = proto;
+        var result = new object;
+        object.prototype = undefined;
+        return result;
+      };
+    }());
+
+    /**
+     * The function whose prototype chain sequence wrappers inherit from.
+     *
+     * @private
+     */
+    function baseLodash() {
+      // No operation performed.
+    }
+
+    /**
+     * The base constructor for creating `lodash` wrapper objects.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     * @param {boolean} [chainAll] Enable explicit method chain sequences.
+     */
+    function LodashWrapper(value, chainAll) {
+      this.__wrapped__ = value;
+      this.__actions__ = [];
+      this.__chain__ = !!chainAll;
+      this.__index__ = 0;
+      this.__values__ = undefined;
+    }
+
+    /**
+     * By default, the template delimiters used by lodash are like those in
+     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
+     * following template settings to use alternative delimiters.
+     *
+     * @static
+     * @memberOf _
+     * @type {Object}
+     */
+    lodash.templateSettings = {
+
+      /**
+       * Used to detect `data` property values to be HTML-escaped.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'escape': reEscape,
+
+      /**
+       * Used to detect code to be evaluated.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'evaluate': reEvaluate,
+
+      /**
+       * Used to detect `data` property values to inject.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'interpolate': reInterpolate,
+
+      /**
+       * Used to reference the data object in the template text.
+       *
+       * @memberOf _.templateSettings
+       * @type {string}
+       */
+      'variable': '',
+
+      /**
+       * Used to import variables into the compiled template.
+       *
+       * @memberOf _.templateSettings
+       * @type {Object}
+       */
+      'imports': {
+
+        /**
+         * A reference to the `lodash` function.
+         *
+         * @memberOf _.templateSettings.imports
+         * @type {Function}
+         */
+        '_': lodash
+      }
+    };
+
+    // Ensure wrappers are instances of `baseLodash`.
+    lodash.prototype = baseLodash.prototype;
+    lodash.prototype.constructor = lodash;
+
+    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+    LodashWrapper.prototype.constructor = LodashWrapper;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+     *
+     * @private
+     * @constructor
+     * @param {*} value The value to wrap.
+     */
+    function LazyWrapper(value) {
+      this.__wrapped__ = value;
+      this.__actions__ = [];
+      this.__dir__ = 1;
+      this.__filtered__ = false;
+      this.__iteratees__ = [];
+      this.__takeCount__ = MAX_ARRAY_LENGTH;
+      this.__views__ = [];
+    }
+
+    /**
+     * Creates a clone of the lazy wrapper object.
+     *
+     * @private
+     * @name clone
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the cloned `LazyWrapper` object.
+     */
+    function lazyClone() {
+      var result = new LazyWrapper(this.__wrapped__);
+      result.__actions__ = copyArray(this.__actions__);
+      result.__dir__ = this.__dir__;
+      result.__filtered__ = this.__filtered__;
+      result.__iteratees__ = copyArray(this.__iteratees__);
+      result.__takeCount__ = this.__takeCount__;
+      result.__views__ = copyArray(this.__views__);
+      return result;
+    }
+
+    /**
+     * Reverses the direction of lazy iteration.
+     *
+     * @private
+     * @name reverse
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the new reversed `LazyWrapper` object.
+     */
+    function lazyReverse() {
+      if (this.__filtered__) {
+        var result = new LazyWrapper(this);
+        result.__dir__ = -1;
+        result.__filtered__ = true;
+      } else {
+        result = this.clone();
+        result.__dir__ *= -1;
+      }
+      return result;
+    }
+
+    /**
+     * Extracts the unwrapped value from its lazy wrapper.
+     *
+     * @private
+     * @name value
+     * @memberOf LazyWrapper
+     * @returns {*} Returns the unwrapped value.
+     */
+    function lazyValue() {
+      var array = this.__wrapped__.value(),
+          dir = this.__dir__,
+          isArr = isArray(array),
+          isRight = dir < 0,
+          arrLength = isArr ? array.length : 0,
+          view = getView(0, arrLength, this.__views__),
+          start = view.start,
+          end = view.end,
+          length = end - start,
+          index = isRight ? end : (start - 1),
+          iteratees = this.__iteratees__,
+          iterLength = iteratees.length,
+          resIndex = 0,
+          takeCount = nativeMin(length, this.__takeCount__);
+
+      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
+        return baseWrapperValue(array, this.__actions__);
+      }
+      var result = [];
+
+      outer:
+      while (length-- && resIndex < takeCount) {
+        index += dir;
+
+        var iterIndex = -1,
+            value = array[index];
+
+        while (++iterIndex < iterLength) {
+          var data = iteratees[iterIndex],
+              iteratee = data.iteratee,
+              type = data.type,
+              computed = iteratee(value);
+
+          if (type == LAZY_MAP_FLAG) {
+            value = computed;
+          } else if (!computed) {
+            if (type == LAZY_FILTER_FLAG) {
+              continue outer;
+            } else {
+              break outer;
+            }
+          }
+        }
+        result[resIndex++] = value;
+      }
+      return result;
+    }
+
+    // Ensure `LazyWrapper` is an instance of `baseLodash`.
+    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+    LazyWrapper.prototype.constructor = LazyWrapper;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a hash object.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function Hash(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the hash.
+     *
+     * @private
+     * @name clear
+     * @memberOf Hash
+     */
+    function hashClear() {
+      this.__data__ = nativeCreate ? nativeCreate(null) : {};
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the hash.
+     *
+     * @private
+     * @name delete
+     * @memberOf Hash
+     * @param {Object} hash The hash to modify.
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function hashDelete(key) {
+      var result = this.has(key) && delete this.__data__[key];
+      this.size -= result ? 1 : 0;
+      return result;
+    }
+
+    /**
+     * Gets the hash value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf Hash
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function hashGet(key) {
+      var data = this.__data__;
+      if (nativeCreate) {
+        var result = data[key];
+        return result === HASH_UNDEFINED ? undefined : result;
+      }
+      return hasOwnProperty.call(data, key) ? data[key] : undefined;
+    }
+
+    /**
+     * Checks if a hash value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf Hash
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function hashHas(key) {
+      var data = this.__data__;
+      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
+    }
+
+    /**
+     * Sets the hash `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf Hash
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the hash instance.
+     */
+    function hashSet(key, value) {
+      var data = this.__data__;
+      this.size += this.has(key) ? 0 : 1;
+      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+      return this;
+    }
+
+    // Add methods to `Hash`.
+    Hash.prototype.clear = hashClear;
+    Hash.prototype['delete'] = hashDelete;
+    Hash.prototype.get = hashGet;
+    Hash.prototype.has = hashHas;
+    Hash.prototype.set = hashSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an list cache object.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function ListCache(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the list cache.
+     *
+     * @private
+     * @name clear
+     * @memberOf ListCache
+     */
+    function listCacheClear() {
+      this.__data__ = [];
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the list cache.
+     *
+     * @private
+     * @name delete
+     * @memberOf ListCache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function listCacheDelete(key) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      if (index < 0) {
+        return false;
+      }
+      var lastIndex = data.length - 1;
+      if (index == lastIndex) {
+        data.pop();
+      } else {
+        splice.call(data, index, 1);
+      }
+      --this.size;
+      return true;
+    }
+
+    /**
+     * Gets the list cache value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf ListCache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function listCacheGet(key) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      return index < 0 ? undefined : data[index][1];
+    }
+
+    /**
+     * Checks if a list cache value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf ListCache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function listCacheHas(key) {
+      return assocIndexOf(this.__data__, key) > -1;
+    }
+
+    /**
+     * Sets the list cache `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf ListCache
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the list cache instance.
+     */
+    function listCacheSet(key, value) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      if (index < 0) {
+        ++this.size;
+        data.push([key, value]);
+      } else {
+        data[index][1] = value;
+      }
+      return this;
+    }
+
+    // Add methods to `ListCache`.
+    ListCache.prototype.clear = listCacheClear;
+    ListCache.prototype['delete'] = listCacheDelete;
+    ListCache.prototype.get = listCacheGet;
+    ListCache.prototype.has = listCacheHas;
+    ListCache.prototype.set = listCacheSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a map cache object to store key-value pairs.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function MapCache(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the map.
+     *
+     * @private
+     * @name clear
+     * @memberOf MapCache
+     */
+    function mapCacheClear() {
+      this.size = 0;
+      this.__data__ = {
+        'hash': new Hash,
+        'map': new (Map || ListCache),
+        'string': new Hash
+      };
+    }
+
+    /**
+     * Removes `key` and its value from the map.
+     *
+     * @private
+     * @name delete
+     * @memberOf MapCache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function mapCacheDelete(key) {
+      var result = getMapData(this, key)['delete'](key);
+      this.size -= result ? 1 : 0;
+      return result;
+    }
+
+    /**
+     * Gets the map value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf MapCache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function mapCacheGet(key) {
+      return getMapData(this, key).get(key);
+    }
+
+    /**
+     * Checks if a map value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf MapCache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function mapCacheHas(key) {
+      return getMapData(this, key).has(key);
+    }
+
+    /**
+     * Sets the map `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf MapCache
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the map cache instance.
+     */
+    function mapCacheSet(key, value) {
+      var data = getMapData(this, key),
+          size = data.size;
+
+      data.set(key, value);
+      this.size += data.size == size ? 0 : 1;
+      return this;
+    }
+
+    // Add methods to `MapCache`.
+    MapCache.prototype.clear = mapCacheClear;
+    MapCache.prototype['delete'] = mapCacheDelete;
+    MapCache.prototype.get = mapCacheGet;
+    MapCache.prototype.has = mapCacheHas;
+    MapCache.prototype.set = mapCacheSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     *
+     * Creates an array cache object to store unique values.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [values] The values to cache.
+     */
+    function SetCache(values) {
+      var index = -1,
+          length = values == null ? 0 : values.length;
+
+      this.__data__ = new MapCache;
+      while (++index < length) {
+        this.add(values[index]);
+      }
+    }
+
+    /**
+     * Adds `value` to the array cache.
+     *
+     * @private
+     * @name add
+     * @memberOf SetCache
+     * @alias push
+     * @param {*} value The value to cache.
+     * @returns {Object} Returns the cache instance.
+     */
+    function setCacheAdd(value) {
+      this.__data__.set(value, HASH_UNDEFINED);
+      return this;
+    }
+
+    /**
+     * Checks if `value` is in the array cache.
+     *
+     * @private
+     * @name has
+     * @memberOf SetCache
+     * @param {*} value The value to search for.
+     * @returns {number} Returns `true` if `value` is found, else `false`.
+     */
+    function setCacheHas(value) {
+      return this.__data__.has(value);
+    }
+
+    // Add methods to `SetCache`.
+    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+    SetCache.prototype.has = setCacheHas;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a stack cache object to store key-value pairs.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function Stack(entries) {
+      var data = this.__data__ = new ListCache(entries);
+      this.size = data.size;
+    }
+
+    /**
+     * Removes all key-value entries from the stack.
+     *
+     * @private
+     * @name clear
+     * @memberOf Stack
+     */
+    function stackClear() {
+      this.__data__ = new ListCache;
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the stack.
+     *
+     * @private
+     * @name delete
+     * @memberOf Stack
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function stackDelete(key) {
+      var data = this.__data__,
+          result = data['delete'](key);
+
+      this.size = data.size;
+      return result;
+    }
+
+    /**
+     * Gets the stack value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf Stack
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function stackGet(key) {
+      return this.__data__.get(key);
+    }
+
+    /**
+     * Checks if a stack value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf Stack
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function stackHas(key) {
+      return this.__data__.has(key);
+    }
+
+    /**
+     * Sets the stack `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf Stack
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the stack cache instance.
+     */
+    function stackSet(key, value) {
+      var data = this.__data__;
+      if (data instanceof ListCache) {
+        var pairs = data.__data__;
+        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+          pairs.push([key, value]);
+          this.size = ++data.size;
+          return this;
+        }
+        data = this.__data__ = new MapCache(pairs);
+      }
+      data.set(key, value);
+      this.size = data.size;
+      return this;
+    }
+
+    // Add methods to `Stack`.
+    Stack.prototype.clear = stackClear;
+    Stack.prototype['delete'] = stackDelete;
+    Stack.prototype.get = stackGet;
+    Stack.prototype.has = stackHas;
+    Stack.prototype.set = stackSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an array of the enumerable property names of the array-like `value`.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @param {boolean} inherited Specify returning inherited property names.
+     * @returns {Array} Returns the array of property names.
+     */
+    function arrayLikeKeys(value, inherited) {
+      var isArr = isArray(value),
+          isArg = !isArr && isArguments(value),
+          isBuff = !isArr && !isArg && isBuffer(value),
+          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+          skipIndexes = isArr || isArg || isBuff || isType,
+          result = skipIndexes ? baseTimes(value.length, String) : [],
+          length = result.length;
+
+      for (var key in value) {
+        if ((inherited || hasOwnProperty.call(value, key)) &&
+            !(skipIndexes && (
+               // Safari 9 has enumerable `arguments.length` in strict mode.
+               key == 'length' ||
+               // Node.js 0.10 has enumerable non-index properties on buffers.
+               (isBuff && (key == 'offset' || key == 'parent')) ||
+               // PhantomJS 2 has enumerable non-index properties on typed arrays.
+               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+               // Skip index properties.
+               isIndex(key, length)
+            ))) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.sample` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to sample.
+     * @returns {*} Returns the random element.
+     */
+    function arraySample(array) {
+      var length = array.length;
+      return length ? array[baseRandom(0, length - 1)] : undefined;
+    }
+
+    /**
+     * A specialized version of `_.sampleSize` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to sample.
+     * @param {number} n The number of elements to sample.
+     * @returns {Array} Returns the random elements.
+     */
+    function arraySampleSize(array, n) {
+      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
+    }
+
+    /**
+     * A specialized version of `_.shuffle` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     */
+    function arrayShuffle(array) {
+      return shuffleSelf(copyArray(array));
+    }
+
+    /**
+     * This function is like `assignValue` except that it doesn't assign
+     * `undefined` values.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function assignMergeValue(object, key, value) {
+      if ((value !== undefined && !eq(object[key], value)) ||
+          (value === undefined && !(key in object))) {
+        baseAssignValue(object, key, value);
+      }
+    }
+
+    /**
+     * Assigns `value` to `key` of `object` if the existing value is not equivalent
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function assignValue(object, key, value) {
+      var objValue = object[key];
+      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
+          (value === undefined && !(key in object))) {
+        baseAssignValue(object, key, value);
+      }
+    }
+
+    /**
+     * Gets the index at which the `key` is found in `array` of key-value pairs.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {*} key The key to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     */
+    function assocIndexOf(array, key) {
+      var length = array.length;
+      while (length--) {
+        if (eq(array[length][0], key)) {
+          return length;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * Aggregates elements of `collection` on `accumulator` with keys transformed
+     * by `iteratee` and values set by `setter`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} setter The function to set `accumulator` values.
+     * @param {Function} iteratee The iteratee to transform keys.
+     * @param {Object} accumulator The initial aggregated object.
+     * @returns {Function} Returns `accumulator`.
+     */
+    function baseAggregator(collection, setter, iteratee, accumulator) {
+      baseEach(collection, function(value, key, collection) {
+        setter(accumulator, value, iteratee(value), collection);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `_.assign` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssign(object, source) {
+      return object && copyObject(source, keys(source), object);
+    }
+
+    /**
+     * The base implementation of `_.assignIn` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssignIn(object, source) {
+      return object && copyObject(source, keysIn(source), object);
+    }
+
+    /**
+     * The base implementation of `assignValue` and `assignMergeValue` without
+     * value checks.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function baseAssignValue(object, key, value) {
+      if (key == '__proto__' && defineProperty) {
+        defineProperty(object, key, {
+          'configurable': true,
+          'enumerable': true,
+          'value': value,
+          'writable': true
+        });
+      } else {
+        object[key] = value;
+      }
+    }
+
+    /**
+     * The base implementation of `_.at` without support for individual paths.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {string[]} paths The property paths to pick.
+     * @returns {Array} Returns the picked elements.
+     */
+    function baseAt(object, paths) {
+      var index = -1,
+          length = paths.length,
+          result = Array(length),
+          skip = object == null;
+
+      while (++index < length) {
+        result[index] = skip ? undefined : get(object, paths[index]);
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.clamp` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {number} number The number to clamp.
+     * @param {number} [lower] The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the clamped number.
+     */
+    function baseClamp(number, lower, upper) {
+      if (number === number) {
+        if (upper !== undefined) {
+          number = number <= upper ? number : upper;
+        }
+        if (lower !== undefined) {
+          number = number >= lower ? number : lower;
+        }
+      }
+      return number;
+    }
+
+    /**
+     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
+     * traversed objects.
+     *
+     * @private
+     * @param {*} value The value to clone.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Deep clone
+     *  2 - Flatten inherited properties
+     *  4 - Clone symbols
+     * @param {Function} [customizer] The function to customize cloning.
+     * @param {string} [key] The key of `value`.
+     * @param {Object} [object] The parent object of `value`.
+     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
+     * @returns {*} Returns the cloned value.
+     */
+    function baseClone(value, bitmask, customizer, key, object, stack) {
+      var result,
+          isDeep = bitmask & CLONE_DEEP_FLAG,
+          isFlat = bitmask & CLONE_FLAT_FLAG,
+          isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
+      if (customizer) {
+        result = object ? customizer(value, key, object, stack) : customizer(value);
+      }
+      if (result !== undefined) {
+        return result;
+      }
+      if (!isObject(value)) {
+        return value;
+      }
+      var isArr = isArray(value);
+      if (isArr) {
+        result = initCloneArray(value);
+        if (!isDeep) {
+          return copyArray(value, result);
+        }
+      } else {
+        var tag = getTag(value),
+            isFunc = tag == funcTag || tag == genTag;
+
+        if (isBuffer(value)) {
+          return cloneBuffer(value, isDeep);
+        }
+        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+          result = (isFlat || isFunc) ? {} : initCloneObject(value);
+          if (!isDeep) {
+            return isFlat
+              ? copySymbolsIn(value, baseAssignIn(result, value))
+              : copySymbols(value, baseAssign(result, value));
+          }
+        } else {
+          if (!cloneableTags[tag]) {
+            return object ? value : {};
+          }
+          result = initCloneByTag(value, tag, isDeep);
+        }
+      }
+      // Check for circular references and return its corresponding clone.
+      stack || (stack = new Stack);
+      var stacked = stack.get(value);
+      if (stacked) {
+        return stacked;
+      }
+      stack.set(value, result);
+
+      if (isSet(value)) {
+        value.forEach(function(subValue) {
+          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+        });
+      } else if (isMap(value)) {
+        value.forEach(function(subValue, key) {
+          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
+        });
+      }
+
+      var keysFunc = isFull
+        ? (isFlat ? getAllKeysIn : getAllKeys)
+        : (isFlat ? keysIn : keys);
+
+      var props = isArr ? undefined : keysFunc(value);
+      arrayEach(props || value, function(subValue, key) {
+        if (props) {
+          key = subValue;
+          subValue = value[key];
+        }
+        // Recursively populate clone (susceptible to call stack limits).
+        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.conforms` which doesn't clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseConforms(source) {
+      var props = keys(source);
+      return function(object) {
+        return baseConformsTo(object, source, props);
+      };
+    }
+
+    /**
+     * The base implementation of `_.conformsTo` which accepts `props` to check.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+     */
+    function baseConformsTo(object, source, props) {
+      var length = props.length;
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (length--) {
+        var key = props[length],
+            predicate = source[key],
+            value = object[key];
+
+        if ((value === undefined && !(key in object)) || !predicate(value)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.delay` and `_.defer` which accepts `args`
+     * to provide to `func`.
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {Array} args The arguments to provide to `func`.
+     * @returns {number|Object} Returns the timer id or timeout object.
+     */
+    function baseDelay(func, wait, args) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return setTimeout(function() { func.apply(undefined, args); }, wait);
+    }
+
+    /**
+     * The base implementation of methods like `_.difference` without support
+     * for excluding multiple arrays or iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Array} values The values to exclude.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     */
+    function baseDifference(array, values, iteratee, comparator) {
+      var index = -1,
+          includes = arrayIncludes,
+          isCommon = true,
+          length = array.length,
+          result = [],
+          valuesLength = values.length;
+
+      if (!length) {
+        return result;
+      }
+      if (iteratee) {
+        values = arrayMap(values, baseUnary(iteratee));
+      }
+      if (comparator) {
+        includes = arrayIncludesWith;
+        isCommon = false;
+      }
+      else if (values.length >= LARGE_ARRAY_SIZE) {
+        includes = cacheHas;
+        isCommon = false;
+        values = new SetCache(values);
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee == null ? value : iteratee(value);
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (isCommon && computed === computed) {
+          var valuesIndex = valuesLength;
+          while (valuesIndex--) {
+            if (values[valuesIndex] === computed) {
+              continue outer;
+            }
+          }
+          result.push(value);
+        }
+        else if (!includes(values, computed, comparator)) {
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.forEach` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     */
+    var baseEach = createBaseEach(baseForOwn);
+
+    /**
+     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     */
+    var baseEachRight = createBaseEach(baseForOwnRight, true);
+
+    /**
+     * The base implementation of `_.every` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`
+     */
+    function baseEvery(collection, predicate) {
+      var result = true;
+      baseEach(collection, function(value, index, collection) {
+        result = !!predicate(value, index, collection);
+        return result;
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of methods like `_.max` and `_.min` which accepts a
+     * `comparator` to determine the extremum value.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The iteratee invoked per iteration.
+     * @param {Function} comparator The comparator used to compare values.
+     * @returns {*} Returns the extremum value.
+     */
+    function baseExtremum(array, iteratee, comparator) {
+      var index = -1,
+          length = array.length;
+
+      while (++index < length) {
+        var value = array[index],
+            current = iteratee(value);
+
+        if (current != null && (computed === undefined
+              ? (current === current && !isSymbol(current))
+              : comparator(current, computed)
+            )) {
+          var computed = current,
+              result = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.fill` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     */
+    function baseFill(array, value, start, end) {
+      var length = array.length;
+
+      start = toInteger(start);
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = (end === undefined || end > length) ? length : toInteger(end);
+      if (end < 0) {
+        end += length;
+      }
+      end = start > end ? 0 : toLength(end);
+      while (start < end) {
+        array[start++] = value;
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.filter` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     */
+    function baseFilter(collection, predicate) {
+      var result = [];
+      baseEach(collection, function(value, index, collection) {
+        if (predicate(value, index, collection)) {
+          result.push(value);
+        }
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.flatten` with support for restricting flattening.
+     *
+     * @private
+     * @param {Array} array The array to flatten.
+     * @param {number} depth The maximum recursion depth.
+     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+     * @param {Array} [result=[]] The initial result value.
+     * @returns {Array} Returns the new flattened array.
+     */
+    function baseFlatten(array, depth, predicate, isStrict, result) {
+      var index = -1,
+          length = array.length;
+
+      predicate || (predicate = isFlattenable);
+      result || (result = []);
+
+      while (++index < length) {
+        var value = array[index];
+        if (depth > 0 && predicate(value)) {
+          if (depth > 1) {
+            // Recursively flatten arrays (susceptible to call stack limits).
+            baseFlatten(value, depth - 1, predicate, isStrict, result);
+          } else {
+            arrayPush(result, value);
+          }
+        } else if (!isStrict) {
+          result[result.length] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `baseForOwn` which iterates over `object`
+     * properties returned by `keysFunc` and invokes `iteratee` for each property.
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+    var baseFor = createBaseFor();
+
+    /**
+     * This function is like `baseFor` except that it iterates over properties
+     * in the opposite order.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+    var baseForRight = createBaseFor(true);
+
+    /**
+     * The base implementation of `_.forOwn` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForOwn(object, iteratee) {
+      return object && baseFor(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForOwnRight(object, iteratee) {
+      return object && baseForRight(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.functions` which creates an array of
+     * `object` function property names filtered from `props`.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} props The property names to filter.
+     * @returns {Array} Returns the function names.
+     */
+    function baseFunctions(object, props) {
+      return arrayFilter(props, function(key) {
+        return isFunction(object[key]);
+      });
+    }
+
+    /**
+     * The base implementation of `_.get` without support for default values.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @returns {*} Returns the resolved value.
+     */
+    function baseGet(object, path) {
+      path = castPath(path, object);
+
+      var index = 0,
+          length = path.length;
+
+      while (object != null && index < length) {
+        object = object[toKey(path[index++])];
+      }
+      return (index && index == length) ? object : undefined;
+    }
+
+    /**
+     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+     * symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @param {Function} symbolsFunc The function to get the symbols of `object`.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+      var result = keysFunc(object);
+      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+    }
+
+    /**
+     * The base implementation of `getTag` without fallbacks for buggy environments.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the `toStringTag`.
+     */
+    function baseGetTag(value) {
+      if (value == null) {
+        return value === undefined ? undefinedTag : nullTag;
+      }
+      return (symToStringTag && symToStringTag in Object(value))
+        ? getRawTag(value)
+        : objectToString(value);
+    }
+
+    /**
+     * The base implementation of `_.gt` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+     *  else `false`.
+     */
+    function baseGt(value, other) {
+      return value > other;
+    }
+
+    /**
+     * The base implementation of `_.has` without support for deep paths.
+     *
+     * @private
+     * @param {Object} [object] The object to query.
+     * @param {Array|string} key The key to check.
+     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+     */
+    function baseHas(object, key) {
+      return object != null && hasOwnProperty.call(object, key);
+    }
+
+    /**
+     * The base implementation of `_.hasIn` without support for deep paths.
+     *
+     * @private
+     * @param {Object} [object] The object to query.
+     * @param {Array|string} key The key to check.
+     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+     */
+    function baseHasIn(object, key) {
+      return object != null && key in Object(object);
+    }
+
+    /**
+     * The base implementation of `_.inRange` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {number} number The number to check.
+     * @param {number} start The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+     */
+    function baseInRange(number, start, end) {
+      return number >= nativeMin(start, end) && number < nativeMax(start, end);
+    }
+
+    /**
+     * The base implementation of methods like `_.intersection`, without support
+     * for iteratee shorthands, that accepts an array of arrays to inspect.
+     *
+     * @private
+     * @param {Array} arrays The arrays to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of shared values.
+     */
+    function baseIntersection(arrays, iteratee, comparator) {
+      var includes = comparator ? arrayIncludesWith : arrayIncludes,
+          length = arrays[0].length,
+          othLength = arrays.length,
+          othIndex = othLength,
+          caches = Array(othLength),
+          maxLength = Infinity,
+          result = [];
+
+      while (othIndex--) {
+        var array = arrays[othIndex];
+        if (othIndex && iteratee) {
+          array = arrayMap(array, baseUnary(iteratee));
+        }
+        maxLength = nativeMin(array.length, maxLength);
+        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
+          ? new SetCache(othIndex && array)
+          : undefined;
+      }
+      array = arrays[0];
+
+      var index = -1,
+          seen = caches[0];
+
+      outer:
+      while (++index < length && result.length < maxLength) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (!(seen
+              ? cacheHas(seen, computed)
+              : includes(result, computed, comparator)
+            )) {
+          othIndex = othLength;
+          while (--othIndex) {
+            var cache = caches[othIndex];
+            if (!(cache
+                  ? cacheHas(cache, computed)
+                  : includes(arrays[othIndex], computed, comparator))
+                ) {
+              continue outer;
+            }
+          }
+          if (seen) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.invert` and `_.invertBy` which inverts
+     * `object` with values transformed by `iteratee` and set by `setter`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} setter The function to set `accumulator` values.
+     * @param {Function} iteratee The iteratee to transform values.
+     * @param {Object} accumulator The initial inverted object.
+     * @returns {Function} Returns `accumulator`.
+     */
+    function baseInverter(object, setter, iteratee, accumulator) {
+      baseForOwn(object, function(value, key, object) {
+        setter(accumulator, iteratee(value), key, object);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `_.invoke` without support for individual
+     * method arguments.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {Array} args The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     */
+    function baseInvoke(object, path, args) {
+      path = castPath(path, object);
+      object = parent(object, path);
+      var func = object == null ? object : object[toKey(last(path))];
+      return func == null ? undefined : apply(func, object, args);
+    }
+
+    /**
+     * The base implementation of `_.isArguments`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     */
+    function baseIsArguments(value) {
+      return isObjectLike(value) && baseGetTag(value) == argsTag;
+    }
+
+    /**
+     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+     */
+    function baseIsArrayBuffer(value) {
+      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
+    }
+
+    /**
+     * The base implementation of `_.isDate` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+     */
+    function baseIsDate(value) {
+      return isObjectLike(value) && baseGetTag(value) == dateTag;
+    }
+
+    /**
+     * The base implementation of `_.isEqual` which supports partial comparisons
+     * and tracks traversed objects.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Unordered comparison
+     *  2 - Partial comparison
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     */
+    function baseIsEqual(value, other, bitmask, customizer, stack) {
+      if (value === other) {
+        return true;
+      }
+      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+        return value !== value && other !== other;
+      }
+      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+    }
+
+    /**
+     * A specialized version of `baseIsEqual` for arrays and objects which performs
+     * deep comparisons and tracks traversed objects enabling objects with circular
+     * references to be compared.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+      var objIsArr = isArray(object),
+          othIsArr = isArray(other),
+          objTag = objIsArr ? arrayTag : getTag(object),
+          othTag = othIsArr ? arrayTag : getTag(other);
+
+      objTag = objTag == argsTag ? objectTag : objTag;
+      othTag = othTag == argsTag ? objectTag : othTag;
+
+      var objIsObj = objTag == objectTag,
+          othIsObj = othTag == objectTag,
+          isSameTag = objTag == othTag;
+
+      if (isSameTag && isBuffer(object)) {
+        if (!isBuffer(other)) {
+          return false;
+        }
+        objIsArr = true;
+        objIsObj = false;
+      }
+      if (isSameTag && !objIsObj) {
+        stack || (stack = new Stack);
+        return (objIsArr || isTypedArray(object))
+          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+      }
+      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
+        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+        if (objIsWrapped || othIsWrapped) {
+          var objUnwrapped = objIsWrapped ? object.value() : object,
+              othUnwrapped = othIsWrapped ? other.value() : other;
+
+          stack || (stack = new Stack);
+          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+        }
+      }
+      if (!isSameTag) {
+        return false;
+      }
+      stack || (stack = new Stack);
+      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+    }
+
+    /**
+     * The base implementation of `_.isMap` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+     */
+    function baseIsMap(value) {
+      return isObjectLike(value) && getTag(value) == mapTag;
+    }
+
+    /**
+     * The base implementation of `_.isMatch` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Array} matchData The property names, values, and compare flags to match.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     */
+    function baseIsMatch(object, source, matchData, customizer) {
+      var index = matchData.length,
+          length = index,
+          noCustomizer = !customizer;
+
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (index--) {
+        var data = matchData[index];
+        if ((noCustomizer && data[2])
+              ? data[1] !== object[data[0]]
+              : !(data[0] in object)
+            ) {
+          return false;
+        }
+      }
+      while (++index < length) {
+        data = matchData[index];
+        var key = data[0],
+            objValue = object[key],
+            srcValue = data[1];
+
+        if (noCustomizer && data[2]) {
+          if (objValue === undefined && !(key in object)) {
+            return false;
+          }
+        } else {
+          var stack = new Stack;
+          if (customizer) {
+            var result = customizer(objValue, srcValue, key, object, source, stack);
+          }
+          if (!(result === undefined
+                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
+                : result
+              )) {
+            return false;
+          }
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.isNative` without bad shim checks.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function,
+     *  else `false`.
+     */
+    function baseIsNative(value) {
+      if (!isObject(value) || isMasked(value)) {
+        return false;
+      }
+      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+      return pattern.test(toSource(value));
+    }
+
+    /**
+     * The base implementation of `_.isRegExp` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+     */
+    function baseIsRegExp(value) {
+      return isObjectLike(value) && baseGetTag(value) == regexpTag;
+    }
+
+    /**
+     * The base implementation of `_.isSet` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+     */
+    function baseIsSet(value) {
+      return isObjectLike(value) && getTag(value) == setTag;
+    }
+
+    /**
+     * The base implementation of `_.isTypedArray` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+     */
+    function baseIsTypedArray(value) {
+      return isObjectLike(value) &&
+        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+    }
+
+    /**
+     * The base implementation of `_.iteratee`.
+     *
+     * @private
+     * @param {*} [value=_.identity] The value to convert to an iteratee.
+     * @returns {Function} Returns the iteratee.
+     */
+    function baseIteratee(value) {
+      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+      if (typeof value == 'function') {
+        return value;
+      }
+      if (value == null) {
+        return identity;
+      }
+      if (typeof value == 'object') {
+        return isArray(value)
+          ? baseMatchesProperty(value[0], value[1])
+          : baseMatches(value);
+      }
+      return property(value);
+    }
+
+    /**
+     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function baseKeys(object) {
+      if (!isPrototype(object)) {
+        return nativeKeys(object);
+      }
+      var result = [];
+      for (var key in Object(object)) {
+        if (hasOwnProperty.call(object, key) && key != 'constructor') {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function baseKeysIn(object) {
+      if (!isObject(object)) {
+        return nativeKeysIn(object);
+      }
+      var isProto = isPrototype(object),
+          result = [];
+
+      for (var key in object) {
+        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.lt` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`,
+     *  else `false`.
+     */
+    function baseLt(value, other) {
+      return value < other;
+    }
+
+    /**
+     * The base implementation of `_.map` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     */
+    function baseMap(collection, iteratee) {
+      var index = -1,
+          result = isArrayLike(collection) ? Array(collection.length) : [];
+
+      baseEach(collection, function(value, key, collection) {
+        result[++index] = iteratee(value, key, collection);
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.matches` which doesn't clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseMatches(source) {
+      var matchData = getMatchData(source);
+      if (matchData.length == 1 && matchData[0][2]) {
+        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+      }
+      return function(object) {
+        return object === source || baseIsMatch(object, source, matchData);
+      };
+    }
+
+    /**
+     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+     *
+     * @private
+     * @param {string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseMatchesProperty(path, srcValue) {
+      if (isKey(path) && isStrictComparable(srcValue)) {
+        return matchesStrictComparable(toKey(path), srcValue);
+      }
+      return function(object) {
+        var objValue = get(object, path);
+        return (objValue === undefined && objValue === srcValue)
+          ? hasIn(object, path)
+          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
+      };
+    }
+
+    /**
+     * The base implementation of `_.merge` without support for multiple sources.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {number} srcIndex The index of `source`.
+     * @param {Function} [customizer] The function to customize merged values.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     */
+    function baseMerge(object, source, srcIndex, customizer, stack) {
+      if (object === source) {
+        return;
+      }
+      baseFor(source, function(srcValue, key) {
+        stack || (stack = new Stack);
+        if (isObject(srcValue)) {
+          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+        }
+        else {
+          var newValue = customizer
+            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
+            : undefined;
+
+          if (newValue === undefined) {
+            newValue = srcValue;
+          }
+          assignMergeValue(object, key, newValue);
+        }
+      }, keysIn);
+    }
+
+    /**
+     * A specialized version of `baseMerge` for arrays and objects which performs
+     * deep merges and tracks traversed objects enabling objects with circular
+     * references to be merged.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {string} key The key of the value to merge.
+     * @param {number} srcIndex The index of `source`.
+     * @param {Function} mergeFunc The function to merge values.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     */
+    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+      var objValue = safeGet(object, key),
+          srcValue = safeGet(source, key),
+          stacked = stack.get(srcValue);
+
+      if (stacked) {
+        assignMergeValue(object, key, stacked);
+        return;
+      }
+      var newValue = customizer
+        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+        : undefined;
+
+      var isCommon = newValue === undefined;
+
+      if (isCommon) {
+        var isArr = isArray(srcValue),
+            isBuff = !isArr && isBuffer(srcValue),
+            isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+
+        newValue = srcValue;
+        if (isArr || isBuff || isTyped) {
+          if (isArray(objValue)) {
+            newValue = objValue;
+          }
+          else if (isArrayLikeObject(objValue)) {
+            newValue = copyArray(objValue);
+          }
+          else if (isBuff) {
+            isCommon = false;
+            newValue = cloneBuffer(srcValue, true);
+          }
+          else if (isTyped) {
+            isCommon = false;
+            newValue = cloneTypedArray(srcValue, true);
+          }
+          else {
+            newValue = [];
+          }
+        }
+        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+          newValue = objValue;
+          if (isArguments(objValue)) {
+            newValue = toPlainObject(objValue);
+          }
+          else if (!isObject(objValue) || isFunction(objValue)) {
+            newValue = initCloneObject(srcValue);
+          }
+        }
+        else {
+          isCommon = false;
+        }
+      }
+      if (isCommon) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, newValue);
+        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+        stack['delete'](srcValue);
+      }
+      assignMergeValue(object, key, newValue);
+    }
+
+    /**
+     * The base implementation of `_.nth` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {number} n The index of the element to return.
+     * @returns {*} Returns the nth element of `array`.
+     */
+    function baseNth(array, n) {
+      var length = array.length;
+      if (!length) {
+        return;
+      }
+      n += n < 0 ? length : 0;
+      return isIndex(n, length) ? array[n] : undefined;
+    }
+
+    /**
+     * The base implementation of `_.orderBy` without param guards.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+     * @param {string[]} orders The sort orders of `iteratees`.
+     * @returns {Array} Returns the new sorted array.
+     */
+    function baseOrderBy(collection, iteratees, orders) {
+      if (iteratees.length) {
+        iteratees = arrayMap(iteratees, function(iteratee) {
+          if (isArray(iteratee)) {
+            return function(value) {
+              return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
+            }
+          }
+          return iteratee;
+        });
+      } else {
+        iteratees = [identity];
+      }
+
+      var index = -1;
+      iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
+
+      var result = baseMap(collection, function(value, key, collection) {
+        var criteria = arrayMap(iteratees, function(iteratee) {
+          return iteratee(value);
+        });
+        return { 'criteria': criteria, 'index': ++index, 'value': value };
+      });
+
+      return baseSortBy(result, function(object, other) {
+        return compareMultiple(object, other, orders);
+      });
+    }
+
+    /**
+     * The base implementation of `_.pick` without support for individual
+     * property identifiers.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} paths The property paths to pick.
+     * @returns {Object} Returns the new object.
+     */
+    function basePick(object, paths) {
+      return basePickBy(object, paths, function(value, path) {
+        return hasIn(object, path);
+      });
+    }
+
+    /**
+     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} paths The property paths to pick.
+     * @param {Function} predicate The function invoked per property.
+     * @returns {Object} Returns the new object.
+     */
+    function basePickBy(object, paths, predicate) {
+      var index = -1,
+          length = paths.length,
+          result = {};
+
+      while (++index < length) {
+        var path = paths[index],
+            value = baseGet(object, path);
+
+        if (predicate(value, path)) {
+          baseSet(result, castPath(path, object), value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseProperty` which supports deep paths.
+     *
+     * @private
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new accessor function.
+     */
+    function basePropertyDeep(path) {
+      return function(object) {
+        return baseGet(object, path);
+      };
+    }
+
+    /**
+     * The base implementation of `_.pullAllBy` without support for iteratee
+     * shorthands.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns `array`.
+     */
+    function basePullAll(array, values, iteratee, comparator) {
+      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
+          index = -1,
+          length = values.length,
+          seen = array;
+
+      if (array === values) {
+        values = copyArray(values);
+      }
+      if (iteratee) {
+        seen = arrayMap(array, baseUnary(iteratee));
+      }
+      while (++index < length) {
+        var fromIndex = 0,
+            value = values[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
+          if (seen !== array) {
+            splice.call(seen, fromIndex, 1);
+          }
+          splice.call(array, fromIndex, 1);
+        }
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.pullAt` without support for individual
+     * indexes or capturing the removed elements.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {number[]} indexes The indexes of elements to remove.
+     * @returns {Array} Returns `array`.
+     */
+    function basePullAt(array, indexes) {
+      var length = array ? indexes.length : 0,
+          lastIndex = length - 1;
+
+      while (length--) {
+        var index = indexes[length];
+        if (length == lastIndex || index !== previous) {
+          var previous = index;
+          if (isIndex(index)) {
+            splice.call(array, index, 1);
+          } else {
+            baseUnset(array, index);
+          }
+        }
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.random` without support for returning
+     * floating-point numbers.
+     *
+     * @private
+     * @param {number} lower The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the random number.
+     */
+    function baseRandom(lower, upper) {
+      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
+    }
+
+    /**
+     * The base implementation of `_.range` and `_.rangeRight` which doesn't
+     * coerce arguments.
+     *
+     * @private
+     * @param {number} start The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} step The value to increment or decrement by.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the range of numbers.
+     */
+    function baseRange(start, end, step, fromRight) {
+      var index = -1,
+          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
+          result = Array(length);
+
+      while (length--) {
+        result[fromRight ? length : ++index] = start;
+        start += step;
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.repeat` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {string} string The string to repeat.
+     * @param {number} n The number of times to repeat the string.
+     * @returns {string} Returns the repeated string.
+     */
+    function baseRepeat(string, n) {
+      var result = '';
+      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
+        return result;
+      }
+      // Leverage the exponentiation by squaring algorithm for a faster repeat.
+      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+      do {
+        if (n % 2) {
+          result += string;
+        }
+        n = nativeFloor(n / 2);
+        if (n) {
+          string += string;
+        }
+      } while (n);
+
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     */
+    function baseRest(func, start) {
+      return setToString(overRest(func, start, identity), func + '');
+    }
+
+    /**
+     * The base implementation of `_.sample`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to sample.
+     * @returns {*} Returns the random element.
+     */
+    function baseSample(collection) {
+      return arraySample(values(collection));
+    }
+
+    /**
+     * The base implementation of `_.sampleSize` without param guards.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to sample.
+     * @param {number} n The number of elements to sample.
+     * @returns {Array} Returns the random elements.
+     */
+    function baseSampleSize(collection, n) {
+      var array = values(collection);
+      return shuffleSelf(array, baseClamp(n, 0, array.length));
+    }
+
+    /**
+     * The base implementation of `_.set`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @param {Function} [customizer] The function to customize path creation.
+     * @returns {Object} Returns `object`.
+     */
+    function baseSet(object, path, value, customizer) {
+      if (!isObject(object)) {
+        return object;
+      }
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length,
+          lastIndex = length - 1,
+          nested = object;
+
+      while (nested != null && ++index < length) {
+        var key = toKey(path[index]),
+            newValue = value;
+
+        if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
+          return object;
+        }
+
+        if (index != lastIndex) {
+          var objValue = nested[key];
+          newValue = customizer ? customizer(objValue, key, nested) : undefined;
+          if (newValue === undefined) {
+            newValue = isObject(objValue)
+              ? objValue
+              : (isIndex(path[index + 1]) ? [] : {});
+          }
+        }
+        assignValue(nested, key, newValue);
+        nested = nested[key];
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `setData` without support for hot loop shorting.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetData = !metaMap ? identity : function(func, data) {
+      metaMap.set(func, data);
+      return func;
+    };
+
+    /**
+     * The base implementation of `setToString` without support for hot loop shorting.
+     *
+     * @private
+     * @param {Function} func The function to modify.
+     * @param {Function} string The `toString` result.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetToString = !defineProperty ? identity : function(func, string) {
+      return defineProperty(func, 'toString', {
+        'configurable': true,
+        'enumerable': false,
+        'value': constant(string),
+        'writable': true
+      });
+    };
+
+    /**
+     * The base implementation of `_.shuffle`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     */
+    function baseShuffle(collection) {
+      return shuffleSelf(values(collection));
+    }
+
+    /**
+     * The base implementation of `_.slice` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseSlice(array, start, end) {
+      var index = -1,
+          length = array.length;
+
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = end > length ? length : end;
+      if (end < 0) {
+        end += length;
+      }
+      length = start > end ? 0 : ((end - start) >>> 0);
+      start >>>= 0;
+
+      var result = Array(length);
+      while (++index < length) {
+        result[index] = array[index + start];
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.some` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     */
+    function baseSome(collection, predicate) {
+      var result;
+
+      baseEach(collection, function(value, index, collection) {
+        result = predicate(value, index, collection);
+        return !result;
+      });
+      return !!result;
+    }
+
+    /**
+     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
+     * performs a binary search of `array` to determine the index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+    function baseSortedIndex(array, value, retHighest) {
+      var low = 0,
+          high = array == null ? low : array.length;
+
+      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+        while (low < high) {
+          var mid = (low + high) >>> 1,
+              computed = array[mid];
+
+          if (computed !== null && !isSymbol(computed) &&
+              (retHighest ? (computed <= value) : (computed < value))) {
+            low = mid + 1;
+          } else {
+            high = mid;
+          }
+        }
+        return high;
+      }
+      return baseSortedIndexBy(array, value, identity, retHighest);
+    }
+
+    /**
+     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
+     * which invokes `iteratee` for `value` and each element of `array` to compute
+     * their sort ranking. The iteratee is invoked with one argument; (value).
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} iteratee The iteratee invoked per element.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+    function baseSortedIndexBy(array, value, iteratee, retHighest) {
+      var low = 0,
+          high = array == null ? 0 : array.length;
+      if (high === 0) {
+        return 0;
+      }
+
+      value = iteratee(value);
+      var valIsNaN = value !== value,
+          valIsNull = value === null,
+          valIsSymbol = isSymbol(value),
+          valIsUndefined = value === undefined;
+
+      while (low < high) {
+        var mid = nativeFloor((low + high) / 2),
+            computed = iteratee(array[mid]),
+            othIsDefined = computed !== undefined,
+            othIsNull = computed === null,
+            othIsReflexive = computed === computed,
+            othIsSymbol = isSymbol(computed);
+
+        if (valIsNaN) {
+          var setLow = retHighest || othIsReflexive;
+        } else if (valIsUndefined) {
+          setLow = othIsReflexive && (retHighest || othIsDefined);
+        } else if (valIsNull) {
+          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
+        } else if (valIsSymbol) {
+          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
+        } else if (othIsNull || othIsSymbol) {
+          setLow = false;
+        } else {
+          setLow = retHighest ? (computed <= value) : (computed < value);
+        }
+        if (setLow) {
+          low = mid + 1;
+        } else {
+          high = mid;
+        }
+      }
+      return nativeMin(high, MAX_ARRAY_INDEX);
+    }
+
+    /**
+     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
+     * support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+    function baseSortedUniq(array, iteratee) {
+      var index = -1,
+          length = array.length,
+          resIndex = 0,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        if (!index || !eq(computed, seen)) {
+          var seen = computed;
+          result[resIndex++] = value === 0 ? 0 : value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.toNumber` which doesn't ensure correct
+     * conversions of binary, hexadecimal, or octal string values.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {number} Returns the number.
+     */
+    function baseToNumber(value) {
+      if (typeof value == 'number') {
+        return value;
+      }
+      if (isSymbol(value)) {
+        return NAN;
+      }
+      return +value;
+    }
+
+    /**
+     * The base implementation of `_.toString` which doesn't convert nullish
+     * values to empty strings.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {string} Returns the string.
+     */
+    function baseToString(value) {
+      // Exit early for strings to avoid a performance hit in some environments.
+      if (typeof value == 'string') {
+        return value;
+      }
+      if (isArray(value)) {
+        // Recursively convert values (susceptible to call stack limits).
+        return arrayMap(value, baseToString) + '';
+      }
+      if (isSymbol(value)) {
+        return symbolToString ? symbolToString.call(value) : '';
+      }
+      var result = (value + '');
+      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    }
+
+    /**
+     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+    function baseUniq(array, iteratee, comparator) {
+      var index = -1,
+          includes = arrayIncludes,
+          length = array.length,
+          isCommon = true,
+          result = [],
+          seen = result;
+
+      if (comparator) {
+        isCommon = false;
+        includes = arrayIncludesWith;
+      }
+      else if (length >= LARGE_ARRAY_SIZE) {
+        var set = iteratee ? null : createSet(array);
+        if (set) {
+          return setToArray(set);
+        }
+        isCommon = false;
+        includes = cacheHas;
+        seen = new SetCache;
+      }
+      else {
+        seen = iteratee ? [] : result;
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (isCommon && computed === computed) {
+          var seenIndex = seen.length;
+          while (seenIndex--) {
+            if (seen[seenIndex] === computed) {
+              continue outer;
+            }
+          }
+          if (iteratee) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+        else if (!includes(seen, computed, comparator)) {
+          if (seen !== result) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.unset`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The property path to unset.
+     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+     */
+    function baseUnset(object, path) {
+      path = castPath(path, object);
+      object = parent(object, path);
+      return object == null || delete object[toKey(last(path))];
+    }
+
+    /**
+     * The base implementation of `_.update`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to update.
+     * @param {Function} updater The function to produce the updated value.
+     * @param {Function} [customizer] The function to customize path creation.
+     * @returns {Object} Returns `object`.
+     */
+    function baseUpdate(object, path, updater, customizer) {
+      return baseSet(object, path, updater(baseGet(object, path)), customizer);
+    }
+
+    /**
+     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
+     * without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {Function} predicate The function invoked per iteration.
+     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseWhile(array, predicate, isDrop, fromRight) {
+      var length = array.length,
+          index = fromRight ? length : -1;
+
+      while ((fromRight ? index-- : ++index < length) &&
+        predicate(array[index], index, array)) {}
+
+      return isDrop
+        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
+        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
+    }
+
+    /**
+     * The base implementation of `wrapperValue` which returns the result of
+     * performing a sequence of actions on the unwrapped `value`, where each
+     * successive action is supplied the return value of the previous.
+     *
+     * @private
+     * @param {*} value The unwrapped value.
+     * @param {Array} actions Actions to perform to resolve the unwrapped value.
+     * @returns {*} Returns the resolved value.
+     */
+    function baseWrapperValue(value, actions) {
+      var result = value;
+      if (result instanceof LazyWrapper) {
+        result = result.value();
+      }
+      return arrayReduce(actions, function(result, action) {
+        return action.func.apply(action.thisArg, arrayPush([result], action.args));
+      }, result);
+    }
+
+    /**
+     * The base implementation of methods like `_.xor`, without support for
+     * iteratee shorthands, that accepts an array of arrays to inspect.
+     *
+     * @private
+     * @param {Array} arrays The arrays to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of values.
+     */
+    function baseXor(arrays, iteratee, comparator) {
+      var length = arrays.length;
+      if (length < 2) {
+        return length ? baseUniq(arrays[0]) : [];
+      }
+      var index = -1,
+          result = Array(length);
+
+      while (++index < length) {
+        var array = arrays[index],
+            othIndex = -1;
+
+        while (++othIndex < length) {
+          if (othIndex != index) {
+            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
+          }
+        }
+      }
+      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
+    }
+
+    /**
+     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
+     *
+     * @private
+     * @param {Array} props The property identifiers.
+     * @param {Array} values The property values.
+     * @param {Function} assignFunc The function to assign values.
+     * @returns {Object} Returns the new object.
+     */
+    function baseZipObject(props, values, assignFunc) {
+      var index = -1,
+          length = props.length,
+          valsLength = values.length,
+          result = {};
+
+      while (++index < length) {
+        var value = index < valsLength ? values[index] : undefined;
+        assignFunc(result, props[index], value);
+      }
+      return result;
+    }
+
+    /**
+     * Casts `value` to an empty array if it's not an array like object.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {Array|Object} Returns the cast array-like object.
+     */
+    function castArrayLikeObject(value) {
+      return isArrayLikeObject(value) ? value : [];
+    }
+
+    /**
+     * Casts `value` to `identity` if it's not a function.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {Function} Returns cast function.
+     */
+    function castFunction(value) {
+      return typeof value == 'function' ? value : identity;
+    }
+
+    /**
+     * Casts `value` to a path array if it's not one.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {Array} Returns the cast property path array.
+     */
+    function castPath(value, object) {
+      if (isArray(value)) {
+        return value;
+      }
+      return isKey(value, object) ? [value] : stringToPath(toString(value));
+    }
+
+    /**
+     * A `baseRest` alias which can be replaced with `identity` by module
+     * replacement plugins.
+     *
+     * @private
+     * @type {Function}
+     * @param {Function} func The function to apply a rest parameter to.
+     * @returns {Function} Returns the new function.
+     */
+    var castRest = baseRest;
+
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+      var length = array.length;
+      end = end === undefined ? length : end;
+      return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
+    /**
+     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
+     *
+     * @private
+     * @param {number|Object} id The timer id or timeout object of the timer to clear.
+     */
+    var clearTimeout = ctxClearTimeout || function(id) {
+      return root.clearTimeout(id);
+    };
+
+    /**
+     * Creates a clone of  `buffer`.
+     *
+     * @private
+     * @param {Buffer} buffer The buffer to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Buffer} Returns the cloned buffer.
+     */
+    function cloneBuffer(buffer, isDeep) {
+      if (isDeep) {
+        return buffer.slice();
+      }
+      var length = buffer.length,
+          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+
+      buffer.copy(result);
+      return result;
+    }
+
+    /**
+     * Creates a clone of `arrayBuffer`.
+     *
+     * @private
+     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+     * @returns {ArrayBuffer} Returns the cloned array buffer.
+     */
+    function cloneArrayBuffer(arrayBuffer) {
+      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
+      return result;
+    }
+
+    /**
+     * Creates a clone of `dataView`.
+     *
+     * @private
+     * @param {Object} dataView The data view to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned data view.
+     */
+    function cloneDataView(dataView, isDeep) {
+      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
+      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
+    }
+
+    /**
+     * Creates a clone of `regexp`.
+     *
+     * @private
+     * @param {Object} regexp The regexp to clone.
+     * @returns {Object} Returns the cloned regexp.
+     */
+    function cloneRegExp(regexp) {
+      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
+      result.lastIndex = regexp.lastIndex;
+      return result;
+    }
+
+    /**
+     * Creates a clone of the `symbol` object.
+     *
+     * @private
+     * @param {Object} symbol The symbol object to clone.
+     * @returns {Object} Returns the cloned symbol object.
+     */
+    function cloneSymbol(symbol) {
+      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
+    }
+
+    /**
+     * Creates a clone of `typedArray`.
+     *
+     * @private
+     * @param {Object} typedArray The typed array to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned typed array.
+     */
+    function cloneTypedArray(typedArray, isDeep) {
+      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+    }
+
+    /**
+     * Compares values to sort them in ascending order.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {number} Returns the sort order indicator for `value`.
+     */
+    function compareAscending(value, other) {
+      if (value !== other) {
+        var valIsDefined = value !== undefined,
+            valIsNull = value === null,
+            valIsReflexive = value === value,
+            valIsSymbol = isSymbol(value);
+
+        var othIsDefined = other !== undefined,
+            othIsNull = other === null,
+            othIsReflexive = other === other,
+            othIsSymbol = isSymbol(other);
+
+        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+            (valIsNull && othIsDefined && othIsReflexive) ||
+            (!valIsDefined && othIsReflexive) ||
+            !valIsReflexive) {
+          return 1;
+        }
+        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+            (othIsNull && valIsDefined && valIsReflexive) ||
+            (!othIsDefined && valIsReflexive) ||
+            !othIsReflexive) {
+          return -1;
+        }
+      }
+      return 0;
+    }
+
+    /**
+     * Used by `_.orderBy` to compare multiple properties of a value to another
+     * and stable sort them.
+     *
+     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
+     * specify an order of "desc" for descending or "asc" for ascending sort order
+     * of corresponding values.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {boolean[]|string[]} orders The order to sort by for each property.
+     * @returns {number} Returns the sort order indicator for `object`.
+     */
+    function compareMultiple(object, other, orders) {
+      var index = -1,
+          objCriteria = object.criteria,
+          othCriteria = other.criteria,
+          length = objCriteria.length,
+          ordersLength = orders.length;
+
+      while (++index < length) {
+        var result = compareAscending(objCriteria[index], othCriteria[index]);
+        if (result) {
+          if (index >= ordersLength) {
+            return result;
+          }
+          var order = orders[index];
+          return result * (order == 'desc' ? -1 : 1);
+        }
+      }
+      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+      // that causes it, under certain circumstances, to provide the same value for
+      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+      // for more details.
+      //
+      // This also ensures a stable sort in V8 and other engines.
+      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
+      return object.index - other.index;
+    }
+
+    /**
+     * Creates an array that is the composition of partially applied arguments,
+     * placeholders, and provided arguments into a single array of arguments.
+     *
+     * @private
+     * @param {Array} args The provided arguments.
+     * @param {Array} partials The arguments to prepend to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @params {boolean} [isCurried] Specify composing for a curried function.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+    function composeArgs(args, partials, holders, isCurried) {
+      var argsIndex = -1,
+          argsLength = args.length,
+          holdersLength = holders.length,
+          leftIndex = -1,
+          leftLength = partials.length,
+          rangeLength = nativeMax(argsLength - holdersLength, 0),
+          result = Array(leftLength + rangeLength),
+          isUncurried = !isCurried;
+
+      while (++leftIndex < leftLength) {
+        result[leftIndex] = partials[leftIndex];
+      }
+      while (++argsIndex < holdersLength) {
+        if (isUncurried || argsIndex < argsLength) {
+          result[holders[argsIndex]] = args[argsIndex];
+        }
+      }
+      while (rangeLength--) {
+        result[leftIndex++] = args[argsIndex++];
+      }
+      return result;
+    }
+
+    /**
+     * This function is like `composeArgs` except that the arguments composition
+     * is tailored for `_.partialRight`.
+     *
+     * @private
+     * @param {Array} args The provided arguments.
+     * @param {Array} partials The arguments to append to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @params {boolean} [isCurried] Specify composing for a curried function.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+    function composeArgsRight(args, partials, holders, isCurried) {
+      var argsIndex = -1,
+          argsLength = args.length,
+          holdersIndex = -1,
+          holdersLength = holders.length,
+          rightIndex = -1,
+          rightLength = partials.length,
+          rangeLength = nativeMax(argsLength - holdersLength, 0),
+          result = Array(rangeLength + rightLength),
+          isUncurried = !isCurried;
+
+      while (++argsIndex < rangeLength) {
+        result[argsIndex] = args[argsIndex];
+      }
+      var offset = argsIndex;
+      while (++rightIndex < rightLength) {
+        result[offset + rightIndex] = partials[rightIndex];
+      }
+      while (++holdersIndex < holdersLength) {
+        if (isUncurried || argsIndex < argsLength) {
+          result[offset + holders[holdersIndex]] = args[argsIndex++];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Copies the values of `source` to `array`.
+     *
+     * @private
+     * @param {Array} source The array to copy values from.
+     * @param {Array} [array=[]] The array to copy values to.
+     * @returns {Array} Returns `array`.
+     */
+    function copyArray(source, array) {
+      var index = -1,
+          length = source.length;
+
+      array || (array = Array(length));
+      while (++index < length) {
+        array[index] = source[index];
+      }
+      return array;
+    }
+
+    /**
+     * Copies properties of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy properties from.
+     * @param {Array} props The property identifiers to copy.
+     * @param {Object} [object={}] The object to copy properties to.
+     * @param {Function} [customizer] The function to customize copied values.
+     * @returns {Object} Returns `object`.
+     */
+    function copyObject(source, props, object, customizer) {
+      var isNew = !object;
+      object || (object = {});
+
+      var index = -1,
+          length = props.length;
+
+      while (++index < length) {
+        var key = props[index];
+
+        var newValue = customizer
+          ? customizer(object[key], source[key], key, object, source)
+          : undefined;
+
+        if (newValue === undefined) {
+          newValue = source[key];
+        }
+        if (isNew) {
+          baseAssignValue(object, key, newValue);
+        } else {
+          assignValue(object, key, newValue);
+        }
+      }
+      return object;
+    }
+
+    /**
+     * Copies own symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbols(source, object) {
+      return copyObject(source, getSymbols(source), object);
+    }
+
+    /**
+     * Copies own and inherited symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbolsIn(source, object) {
+      return copyObject(source, getSymbolsIn(source), object);
+    }
+
+    /**
+     * Creates a function like `_.groupBy`.
+     *
+     * @private
+     * @param {Function} setter The function to set accumulator values.
+     * @param {Function} [initializer] The accumulator object initializer.
+     * @returns {Function} Returns the new aggregator function.
+     */
+    function createAggregator(setter, initializer) {
+      return function(collection, iteratee) {
+        var func = isArray(collection) ? arrayAggregator : baseAggregator,
+            accumulator = initializer ? initializer() : {};
+
+        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
+      };
+    }
+
+    /**
+     * Creates a function like `_.assign`.
+     *
+     * @private
+     * @param {Function} assigner The function to assign values.
+     * @returns {Function} Returns the new assigner function.
+     */
+    function createAssigner(assigner) {
+      return baseRest(function(object, sources) {
+        var index = -1,
+            length = sources.length,
+            customizer = length > 1 ? sources[length - 1] : undefined,
+            guard = length > 2 ? sources[2] : undefined;
+
+        customizer = (assigner.length > 3 && typeof customizer == 'function')
+          ? (length--, customizer)
+          : undefined;
+
+        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+          customizer = length < 3 ? undefined : customizer;
+          length = 1;
+        }
+        object = Object(object);
+        while (++index < length) {
+          var source = sources[index];
+          if (source) {
+            assigner(object, source, index, customizer);
+          }
+        }
+        return object;
+      });
+    }
+
+    /**
+     * Creates a `baseEach` or `baseEachRight` function.
+     *
+     * @private
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+    function createBaseEach(eachFunc, fromRight) {
+      return function(collection, iteratee) {
+        if (collection == null) {
+          return collection;
+        }
+        if (!isArrayLike(collection)) {
+          return eachFunc(collection, iteratee);
+        }
+        var length = collection.length,
+            index = fromRight ? length : -1,
+            iterable = Object(collection);
+
+        while ((fromRight ? index-- : ++index < length)) {
+          if (iteratee(iterable[index], index, iterable) === false) {
+            break;
+          }
+        }
+        return collection;
+      };
+    }
+
+    /**
+     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+    function createBaseFor(fromRight) {
+      return function(object, iteratee, keysFunc) {
+        var index = -1,
+            iterable = Object(object),
+            props = keysFunc(object),
+            length = props.length;
+
+        while (length--) {
+          var key = props[fromRight ? length : ++index];
+          if (iteratee(iterable[key], key, iterable) === false) {
+            break;
+          }
+        }
+        return object;
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with the optional `this`
+     * binding of `thisArg`.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createBind(func, bitmask, thisArg) {
+      var isBind = bitmask & WRAP_BIND_FLAG,
+          Ctor = createCtor(func);
+
+      function wrapper() {
+        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+        return fn.apply(isBind ? thisArg : this, arguments);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a function like `_.lowerFirst`.
+     *
+     * @private
+     * @param {string} methodName The name of the `String` case method to use.
+     * @returns {Function} Returns the new case function.
+     */
+    function createCaseFirst(methodName) {
+      return function(string) {
+        string = toString(string);
+
+        var strSymbols = hasUnicode(string)
+          ? stringToArray(string)
+          : undefined;
+
+        var chr = strSymbols
+          ? strSymbols[0]
+          : string.charAt(0);
+
+        var trailing = strSymbols
+          ? castSlice(strSymbols, 1).join('')
+          : string.slice(1);
+
+        return chr[methodName]() + trailing;
+      };
+    }
+
+    /**
+     * Creates a function like `_.camelCase`.
+     *
+     * @private
+     * @param {Function} callback The function to combine each word.
+     * @returns {Function} Returns the new compounder function.
+     */
+    function createCompounder(callback) {
+      return function(string) {
+        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
+      };
+    }
+
+    /**
+     * Creates a function that produces an instance of `Ctor` regardless of
+     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+     *
+     * @private
+     * @param {Function} Ctor The constructor to wrap.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createCtor(Ctor) {
+      return function() {
+        // Use a `switch` statement to work with class constructors. See
+        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+        // for more details.
+        var args = arguments;
+        switch (args.length) {
+          case 0: return new Ctor;
+          case 1: return new Ctor(args[0]);
+          case 2: return new Ctor(args[0], args[1]);
+          case 3: return new Ctor(args[0], args[1], args[2]);
+          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
+          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+        }
+        var thisBinding = baseCreate(Ctor.prototype),
+            result = Ctor.apply(thisBinding, args);
+
+        // Mimic the constructor's `return` behavior.
+        // See https://es5.github.io/#x13.2.2 for more details.
+        return isObject(result) ? result : thisBinding;
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to enable currying.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {number} arity The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createCurry(func, bitmask, arity) {
+      var Ctor = createCtor(func);
+
+      function wrapper() {
+        var length = arguments.length,
+            args = Array(length),
+            index = length,
+            placeholder = getHolder(wrapper);
+
+        while (index--) {
+          args[index] = arguments[index];
+        }
+        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
+          ? []
+          : replaceHolders(args, placeholder);
+
+        length -= holders.length;
+        if (length < arity) {
+          return createRecurry(
+            func, bitmask, createHybrid, wrapper.placeholder, undefined,
+            args, holders, undefined, undefined, arity - length);
+        }
+        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+        return apply(fn, this, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a `_.find` or `_.findLast` function.
+     *
+     * @private
+     * @param {Function} findIndexFunc The function to find the collection index.
+     * @returns {Function} Returns the new find function.
+     */
+    function createFind(findIndexFunc) {
+      return function(collection, predicate, fromIndex) {
+        var iterable = Object(collection);
+        if (!isArrayLike(collection)) {
+          var iteratee = getIteratee(predicate, 3);
+          collection = keys(collection);
+          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+        }
+        var index = findIndexFunc(collection, predicate, fromIndex);
+        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
+      };
+    }
+
+    /**
+     * Creates a `_.flow` or `_.flowRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new flow function.
+     */
+    function createFlow(fromRight) {
+      return flatRest(function(funcs) {
+        var length = funcs.length,
+            index = length,
+            prereq = LodashWrapper.prototype.thru;
+
+        if (fromRight) {
+          funcs.reverse();
+        }
+        while (index--) {
+          var func = funcs[index];
+          if (typeof func != 'function') {
+            throw new TypeError(FUNC_ERROR_TEXT);
+          }
+          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
+            var wrapper = new LodashWrapper([], true);
+          }
+        }
+        index = wrapper ? index : length;
+        while (++index < length) {
+          func = funcs[index];
+
+          var funcName = getFuncName(func),
+              data = funcName == 'wrapper' ? getData(func) : undefined;
+
+          if (data && isLaziable(data[0]) &&
+                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
+                !data[4].length && data[9] == 1
+              ) {
+            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+          } else {
+            wrapper = (func.length == 1 && isLaziable(func))
+              ? wrapper[funcName]()
+              : wrapper.thru(func);
+          }
+        }
+        return function() {
+          var args = arguments,
+              value = args[0];
+
+          if (wrapper && args.length == 1 && isArray(value)) {
+            return wrapper.plant(value).value();
+          }
+          var index = 0,
+              result = length ? funcs[index].apply(this, args) : value;
+
+          while (++index < length) {
+            result = funcs[index].call(this, result);
+          }
+          return result;
+        };
+      });
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with optional `this`
+     * binding of `thisArg`, partial application, and currying.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to
+     *  the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [partialsRight] The arguments to append to those provided
+     *  to the new function.
+     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
+      var isAry = bitmask & WRAP_ARY_FLAG,
+          isBind = bitmask & WRAP_BIND_FLAG,
+          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
+          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
+          isFlip = bitmask & WRAP_FLIP_FLAG,
+          Ctor = isBindKey ? undefined : createCtor(func);
+
+      function wrapper() {
+        var length = arguments.length,
+            args = Array(length),
+            index = length;
+
+        while (index--) {
+          args[index] = arguments[index];
+        }
+        if (isCurried) {
+          var placeholder = getHolder(wrapper),
+              holdersCount = countHolders(args, placeholder);
+        }
+        if (partials) {
+          args = composeArgs(args, partials, holders, isCurried);
+        }
+        if (partialsRight) {
+          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
+        }
+        length -= holdersCount;
+        if (isCurried && length < arity) {
+          var newHolders = replaceHolders(args, placeholder);
+          return createRecurry(
+            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
+            args, newHolders, argPos, ary, arity - length
+          );
+        }
+        var thisBinding = isBind ? thisArg : this,
+            fn = isBindKey ? thisBinding[func] : func;
+
+        length = args.length;
+        if (argPos) {
+          args = reorder(args, argPos);
+        } else if (isFlip && length > 1) {
+          args.reverse();
+        }
+        if (isAry && ary < length) {
+          args.length = ary;
+        }
+        if (this && this !== root && this instanceof wrapper) {
+          fn = Ctor || createCtor(fn);
+        }
+        return fn.apply(thisBinding, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a function like `_.invertBy`.
+     *
+     * @private
+     * @param {Function} setter The function to set accumulator values.
+     * @param {Function} toIteratee The function to resolve iteratees.
+     * @returns {Function} Returns the new inverter function.
+     */
+    function createInverter(setter, toIteratee) {
+      return function(object, iteratee) {
+        return baseInverter(object, setter, toIteratee(iteratee), {});
+      };
+    }
+
+    /**
+     * Creates a function that performs a mathematical operation on two values.
+     *
+     * @private
+     * @param {Function} operator The function to perform the operation.
+     * @param {number} [defaultValue] The value used for `undefined` arguments.
+     * @returns {Function} Returns the new mathematical operation function.
+     */
+    function createMathOperation(operator, defaultValue) {
+      return function(value, other) {
+        var result;
+        if (value === undefined && other === undefined) {
+          return defaultValue;
+        }
+        if (value !== undefined) {
+          result = value;
+        }
+        if (other !== undefined) {
+          if (result === undefined) {
+            return other;
+          }
+          if (typeof value == 'string' || typeof other == 'string') {
+            value = baseToString(value);
+            other = baseToString(other);
+          } else {
+            value = baseToNumber(value);
+            other = baseToNumber(other);
+          }
+          result = operator(value, other);
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Creates a function like `_.over`.
+     *
+     * @private
+     * @param {Function} arrayFunc The function to iterate over iteratees.
+     * @returns {Function} Returns the new over function.
+     */
+    function createOver(arrayFunc) {
+      return flatRest(function(iteratees) {
+        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
+        return baseRest(function(args) {
+          var thisArg = this;
+          return arrayFunc(iteratees, function(iteratee) {
+            return apply(iteratee, thisArg, args);
+          });
+        });
+      });
+    }
+
+    /**
+     * Creates the padding for `string` based on `length`. The `chars` string
+     * is truncated if the number of characters exceeds `length`.
+     *
+     * @private
+     * @param {number} length The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padding for `string`.
+     */
+    function createPadding(length, chars) {
+      chars = chars === undefined ? ' ' : baseToString(chars);
+
+      var charsLength = chars.length;
+      if (charsLength < 2) {
+        return charsLength ? baseRepeat(chars, length) : chars;
+      }
+      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
+      return hasUnicode(chars)
+        ? castSlice(stringToArray(result), 0, length).join('')
+        : result.slice(0, length);
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with the `this` binding
+     * of `thisArg` and `partials` prepended to the arguments it receives.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {Array} partials The arguments to prepend to those provided to
+     *  the new function.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createPartial(func, bitmask, thisArg, partials) {
+      var isBind = bitmask & WRAP_BIND_FLAG,
+          Ctor = createCtor(func);
+
+      function wrapper() {
+        var argsIndex = -1,
+            argsLength = arguments.length,
+            leftIndex = -1,
+            leftLength = partials.length,
+            args = Array(leftLength + argsLength),
+            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+
+        while (++leftIndex < leftLength) {
+          args[leftIndex] = partials[leftIndex];
+        }
+        while (argsLength--) {
+          args[leftIndex++] = arguments[++argsIndex];
+        }
+        return apply(fn, isBind ? thisArg : this, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a `_.range` or `_.rangeRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new range function.
+     */
+    function createRange(fromRight) {
+      return function(start, end, step) {
+        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
+          end = step = undefined;
+        }
+        // Ensure the sign of `-0` is preserved.
+        start = toFinite(start);
+        if (end === undefined) {
+          end = start;
+          start = 0;
+        } else {
+          end = toFinite(end);
+        }
+        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
+        return baseRange(start, end, step, fromRight);
+      };
+    }
+
+    /**
+     * Creates a function that performs a relational operation on two values.
+     *
+     * @private
+     * @param {Function} operator The function to perform the operation.
+     * @returns {Function} Returns the new relational operation function.
+     */
+    function createRelationalOperation(operator) {
+      return function(value, other) {
+        if (!(typeof value == 'string' && typeof other == 'string')) {
+          value = toNumber(value);
+          other = toNumber(other);
+        }
+        return operator(value, other);
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to continue currying.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {Function} wrapFunc The function to create the `func` wrapper.
+     * @param {*} placeholder The placeholder value.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to
+     *  the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
+      var isCurry = bitmask & WRAP_CURRY_FLAG,
+          newHolders = isCurry ? holders : undefined,
+          newHoldersRight = isCurry ? undefined : holders,
+          newPartials = isCurry ? partials : undefined,
+          newPartialsRight = isCurry ? undefined : partials;
+
+      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
+      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
+
+      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
+        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
+      }
+      var newData = [
+        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
+        newHoldersRight, argPos, ary, arity
+      ];
+
+      var result = wrapFunc.apply(undefined, newData);
+      if (isLaziable(func)) {
+        setData(result, newData);
+      }
+      result.placeholder = placeholder;
+      return setWrapToString(result, func, bitmask);
+    }
+
+    /**
+     * Creates a function like `_.round`.
+     *
+     * @private
+     * @param {string} methodName The name of the `Math` method to use when rounding.
+     * @returns {Function} Returns the new round function.
+     */
+    function createRound(methodName) {
+      var func = Math[methodName];
+      return function(number, precision) {
+        number = toNumber(number);
+        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
+        if (precision && nativeIsFinite(number)) {
+          // Shift with exponential notation to avoid floating-point issues.
+          // See [MDN](https://mdn.io/round#Examples) for more details.
+          var pair = (toString(number) + 'e').split('e'),
+              value = func(pair[0] + 'e' + (+pair[1] + precision));
+
+          pair = (toString(value) + 'e').split('e');
+          return +(pair[0] + 'e' + (+pair[1] - precision));
+        }
+        return func(number);
+      };
+    }
+
+    /**
+     * Creates a set object of `values`.
+     *
+     * @private
+     * @param {Array} values The values to add to the set.
+     * @returns {Object} Returns the new set.
+     */
+    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
+      return new Set(values);
+    };
+
+    /**
+     * Creates a `_.toPairs` or `_.toPairsIn` function.
+     *
+     * @private
+     * @param {Function} keysFunc The function to get the keys of a given object.
+     * @returns {Function} Returns the new pairs function.
+     */
+    function createToPairs(keysFunc) {
+      return function(object) {
+        var tag = getTag(object);
+        if (tag == mapTag) {
+          return mapToArray(object);
+        }
+        if (tag == setTag) {
+          return setToPairs(object);
+        }
+        return baseToPairs(object, keysFunc(object));
+      };
+    }
+
+    /**
+     * Creates a function that either curries or invokes `func` with optional
+     * `this` binding and partially applied arguments.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to wrap.
+     * @param {number} bitmask The bitmask flags.
+     *    1 - `_.bind`
+     *    2 - `_.bindKey`
+     *    4 - `_.curry` or `_.curryRight` of a bound function
+     *    8 - `_.curry`
+     *   16 - `_.curryRight`
+     *   32 - `_.partial`
+     *   64 - `_.partialRight`
+     *  128 - `_.rearg`
+     *  256 - `_.ary`
+     *  512 - `_.flip`
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to be partially applied.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
+      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
+      if (!isBindKey && typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      var length = partials ? partials.length : 0;
+      if (!length) {
+        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
+        partials = holders = undefined;
+      }
+      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
+      arity = arity === undefined ? arity : toInteger(arity);
+      length -= holders ? holders.length : 0;
+
+      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
+        var partialsRight = partials,
+            holdersRight = holders;
+
+        partials = holders = undefined;
+      }
+      var data = isBindKey ? undefined : getData(func);
+
+      var newData = [
+        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
+        argPos, ary, arity
+      ];
+
+      if (data) {
+        mergeData(newData, data);
+      }
+      func = newData[0];
+      bitmask = newData[1];
+      thisArg = newData[2];
+      partials = newData[3];
+      holders = newData[4];
+      arity = newData[9] = newData[9] === undefined
+        ? (isBindKey ? 0 : func.length)
+        : nativeMax(newData[9] - length, 0);
+
+      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
+        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
+      }
+      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
+        var result = createBind(func, bitmask, thisArg);
+      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
+        result = createCurry(func, bitmask, arity);
+      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
+        result = createPartial(func, bitmask, thisArg, partials);
+      } else {
+        result = createHybrid.apply(undefined, newData);
+      }
+      var setter = data ? baseSetData : setData;
+      return setWrapToString(setter(result, newData), func, bitmask);
+    }
+
+    /**
+     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+     * of source objects to the destination object for all destination properties
+     * that resolve to `undefined`.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to assign.
+     * @param {Object} object The parent object of `objValue`.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsAssignIn(objValue, srcValue, key, object) {
+      if (objValue === undefined ||
+          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+        return srcValue;
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+     * objects into destination objects that are passed thru.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to merge.
+     * @param {Object} object The parent object of `objValue`.
+     * @param {Object} source The parent object of `srcValue`.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+      if (isObject(objValue) && isObject(srcValue)) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, objValue);
+        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
+        stack['delete'](srcValue);
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+     * objects.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @param {string} key The key of the property to inspect.
+     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
+     */
+    function customOmitClone(value) {
+      return isPlainObject(value) ? undefined : value;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for arrays with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Array} array The array to compare.
+     * @param {Array} other The other array to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `array` and `other` objects.
+     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+     */
+    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+          arrLength = array.length,
+          othLength = other.length;
+
+      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+        return false;
+      }
+      // Check that cyclic values are equal.
+      var arrStacked = stack.get(array);
+      var othStacked = stack.get(other);
+      if (arrStacked && othStacked) {
+        return arrStacked == other && othStacked == array;
+      }
+      var index = -1,
+          result = true,
+          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+
+      stack.set(array, other);
+      stack.set(other, array);
+
+      // Ignore non-index properties.
+      while (++index < arrLength) {
+        var arrValue = array[index],
+            othValue = other[index];
+
+        if (customizer) {
+          var compared = isPartial
+            ? customizer(othValue, arrValue, index, other, array, stack)
+            : customizer(arrValue, othValue, index, array, other, stack);
+        }
+        if (compared !== undefined) {
+          if (compared) {
+            continue;
+          }
+          result = false;
+          break;
+        }
+        // Recursively compare arrays (susceptible to call stack limits).
+        if (seen) {
+          if (!arraySome(other, function(othValue, othIndex) {
+                if (!cacheHas(seen, othIndex) &&
+                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+                  return seen.push(othIndex);
+                }
+              })) {
+            result = false;
+            break;
+          }
+        } else if (!(
+              arrValue === othValue ||
+                equalFunc(arrValue, othValue, bitmask, customizer, stack)
+            )) {
+          result = false;
+          break;
+        }
+      }
+      stack['delete'](array);
+      stack['delete'](other);
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for comparing objects of
+     * the same `toStringTag`.
+     *
+     * **Note:** This function only supports comparing values with tags of
+     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {string} tag The `toStringTag` of the objects to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+      switch (tag) {
+        case dataViewTag:
+          if ((object.byteLength != other.byteLength) ||
+              (object.byteOffset != other.byteOffset)) {
+            return false;
+          }
+          object = object.buffer;
+          other = other.buffer;
+
+        case arrayBufferTag:
+          if ((object.byteLength != other.byteLength) ||
+              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
+            return false;
+          }
+          return true;
+
+        case boolTag:
+        case dateTag:
+        case numberTag:
+          // Coerce booleans to `1` or `0` and dates to milliseconds.
+          // Invalid dates are coerced to `NaN`.
+          return eq(+object, +other);
+
+        case errorTag:
+          return object.name == other.name && object.message == other.message;
+
+        case regexpTag:
+        case stringTag:
+          // Coerce regexes to strings and treat strings, primitives and objects,
+          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+          // for more details.
+          return object == (other + '');
+
+        case mapTag:
+          var convert = mapToArray;
+
+        case setTag:
+          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
+          convert || (convert = setToArray);
+
+          if (object.size != other.size && !isPartial) {
+            return false;
+          }
+          // Assume cyclic values are equal.
+          var stacked = stack.get(object);
+          if (stacked) {
+            return stacked == other;
+          }
+          bitmask |= COMPARE_UNORDERED_FLAG;
+
+          // Recursively compare objects (susceptible to call stack limits).
+          stack.set(object, other);
+          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+          stack['delete'](object);
+          return result;
+
+        case symbolTag:
+          if (symbolValueOf) {
+            return symbolValueOf.call(object) == symbolValueOf.call(other);
+          }
+      }
+      return false;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for objects with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+          objProps = getAllKeys(object),
+          objLength = objProps.length,
+          othProps = getAllKeys(other),
+          othLength = othProps.length;
+
+      if (objLength != othLength && !isPartial) {
+        return false;
+      }
+      var index = objLength;
+      while (index--) {
+        var key = objProps[index];
+        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+          return false;
+        }
+      }
+      // Check that cyclic values are equal.
+      var objStacked = stack.get(object);
+      var othStacked = stack.get(other);
+      if (objStacked && othStacked) {
+        return objStacked == other && othStacked == object;
+      }
+      var result = true;
+      stack.set(object, other);
+      stack.set(other, object);
+
+      var skipCtor = isPartial;
+      while (++index < objLength) {
+        key = objProps[index];
+        var objValue = object[key],
+            othValue = other[key];
+
+        if (customizer) {
+          var compared = isPartial
+            ? customizer(othValue, objValue, key, other, object, stack)
+            : customizer(objValue, othValue, key, object, other, stack);
+        }
+        // Recursively compare objects (susceptible to call stack limits).
+        if (!(compared === undefined
+              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+              : compared
+            )) {
+          result = false;
+          break;
+        }
+        skipCtor || (skipCtor = key == 'constructor');
+      }
+      if (result && !skipCtor) {
+        var objCtor = object.constructor,
+            othCtor = other.constructor;
+
+        // Non `Object` object instances with different constructors are not equal.
+        if (objCtor != othCtor &&
+            ('constructor' in object && 'constructor' in other) &&
+            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+          result = false;
+        }
+      }
+      stack['delete'](object);
+      stack['delete'](other);
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseRest` which flattens the rest array.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @returns {Function} Returns the new function.
+     */
+    function flatRest(func) {
+      return setToString(overRest(func, undefined, flatten), func + '');
+    }
+
+    /**
+     * Creates an array of own enumerable property names and symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function getAllKeys(object) {
+      return baseGetAllKeys(object, keys, getSymbols);
+    }
+
+    /**
+     * Creates an array of own and inherited enumerable property names and
+     * symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function getAllKeysIn(object) {
+      return baseGetAllKeys(object, keysIn, getSymbolsIn);
+    }
+
+    /**
+     * Gets metadata for `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {*} Returns the metadata for `func`.
+     */
+    var getData = !metaMap ? noop : function(func) {
+      return metaMap.get(func);
+    };
+
+    /**
+     * Gets the name of `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {string} Returns the function name.
+     */
+    function getFuncName(func) {
+      var result = (func.name + ''),
+          array = realNames[result],
+          length = hasOwnProperty.call(realNames, result) ? array.length : 0;
+
+      while (length--) {
+        var data = array[length],
+            otherFunc = data.func;
+        if (otherFunc == null || otherFunc == func) {
+          return data.name;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Gets the argument placeholder value for `func`.
+     *
+     * @private
+     * @param {Function} func The function to inspect.
+     * @returns {*} Returns the placeholder value.
+     */
+    function getHolder(func) {
+      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
+      return object.placeholder;
+    }
+
+    /**
+     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
+     * this function returns the custom method, otherwise it returns `baseIteratee`.
+     * If arguments are provided, the chosen function is invoked with them and
+     * its result is returned.
+     *
+     * @private
+     * @param {*} [value] The value to convert to an iteratee.
+     * @param {number} [arity] The arity of the created iteratee.
+     * @returns {Function} Returns the chosen function or its result.
+     */
+    function getIteratee() {
+      var result = lodash.iteratee || iteratee;
+      result = result === iteratee ? baseIteratee : result;
+      return arguments.length ? result(arguments[0], arguments[1]) : result;
+    }
+
+    /**
+     * Gets the data for `map`.
+     *
+     * @private
+     * @param {Object} map The map to query.
+     * @param {string} key The reference key.
+     * @returns {*} Returns the map data.
+     */
+    function getMapData(map, key) {
+      var data = map.__data__;
+      return isKeyable(key)
+        ? data[typeof key == 'string' ? 'string' : 'hash']
+        : data.map;
+    }
+
+    /**
+     * Gets the property names, values, and compare flags of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the match data of `object`.
+     */
+    function getMatchData(object) {
+      var result = keys(object),
+          length = result.length;
+
+      while (length--) {
+        var key = result[length],
+            value = object[key];
+
+        result[length] = [key, value, isStrictComparable(value)];
+      }
+      return result;
+    }
+
+    /**
+     * Gets the native function at `key` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {string} key The key of the method to get.
+     * @returns {*} Returns the function if it's native, else `undefined`.
+     */
+    function getNative(object, key) {
+      var value = getValue(object, key);
+      return baseIsNative(value) ? value : undefined;
+    }
+
+    /**
+     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the raw `toStringTag`.
+     */
+    function getRawTag(value) {
+      var isOwn = hasOwnProperty.call(value, symToStringTag),
+          tag = value[symToStringTag];
+
+      try {
+        value[symToStringTag] = undefined;
+        var unmasked = true;
+      } catch (e) {}
+
+      var result = nativeObjectToString.call(value);
+      if (unmasked) {
+        if (isOwn) {
+          value[symToStringTag] = tag;
+        } else {
+          delete value[symToStringTag];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Creates an array of the own enumerable symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of symbols.
+     */
+    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+      if (object == null) {
+        return [];
+      }
+      object = Object(object);
+      return arrayFilter(nativeGetSymbols(object), function(symbol) {
+        return propertyIsEnumerable.call(object, symbol);
+      });
+    };
+
+    /**
+     * Creates an array of the own and inherited enumerable symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of symbols.
+     */
+    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
+      var result = [];
+      while (object) {
+        arrayPush(result, getSymbols(object));
+        object = getPrototype(object);
+      }
+      return result;
+    };
+
+    /**
+     * Gets the `toStringTag` of `value`.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the `toStringTag`.
+     */
+    var getTag = baseGetTag;
+
+    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
+        (Map && getTag(new Map) != mapTag) ||
+        (Promise && getTag(Promise.resolve()) != promiseTag) ||
+        (Set && getTag(new Set) != setTag) ||
+        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
+      getTag = function(value) {
+        var result = baseGetTag(value),
+            Ctor = result == objectTag ? value.constructor : undefined,
+            ctorString = Ctor ? toSource(Ctor) : '';
+
+        if (ctorString) {
+          switch (ctorString) {
+            case dataViewCtorString: return dataViewTag;
+            case mapCtorString: return mapTag;
+            case promiseCtorString: return promiseTag;
+            case setCtorString: return setTag;
+            case weakMapCtorString: return weakMapTag;
+          }
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Gets the view, applying any `transforms` to the `start` and `end` positions.
+     *
+     * @private
+     * @param {number} start The start of the view.
+     * @param {number} end The end of the view.
+     * @param {Array} transforms The transformations to apply to the view.
+     * @returns {Object} Returns an object containing the `start` and `end`
+     *  positions of the view.
+     */
+    function getView(start, end, transforms) {
+      var index = -1,
+          length = transforms.length;
+
+      while (++index < length) {
+        var data = transforms[index],
+            size = data.size;
+
+        switch (data.type) {
+          case 'drop':      start += size; break;
+          case 'dropRight': end -= size; break;
+          case 'take':      end = nativeMin(end, start + size); break;
+          case 'takeRight': start = nativeMax(start, end - size); break;
+        }
+      }
+      return { 'start': start, 'end': end };
+    }
+
+    /**
+     * Extracts wrapper details from the `source` body comment.
+     *
+     * @private
+     * @param {string} source The source to inspect.
+     * @returns {Array} Returns the wrapper details.
+     */
+    function getWrapDetails(source) {
+      var match = source.match(reWrapDetails);
+      return match ? match[1].split(reSplitDetails) : [];
+    }
+
+    /**
+     * Checks if `path` exists on `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @param {Function} hasFunc The function to check properties.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     */
+    function hasPath(object, path, hasFunc) {
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length,
+          result = false;
+
+      while (++index < length) {
+        var key = toKey(path[index]);
+        if (!(result = object != null && hasFunc(object, key))) {
+          break;
+        }
+        object = object[key];
+      }
+      if (result || ++index != length) {
+        return result;
+      }
+      length = object == null ? 0 : object.length;
+      return !!length && isLength(length) && isIndex(key, length) &&
+        (isArray(object) || isArguments(object));
+    }
+
+    /**
+     * Initializes an array clone.
+     *
+     * @private
+     * @param {Array} array The array to clone.
+     * @returns {Array} Returns the initialized clone.
+     */
+    function initCloneArray(array) {
+      var length = array.length,
+          result = new array.constructor(length);
+
+      // Add properties assigned by `RegExp#exec`.
+      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
+        result.index = array.index;
+        result.input = array.input;
+      }
+      return result;
+    }
+
+    /**
+     * Initializes an object clone.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+    function initCloneObject(object) {
+      return (typeof object.constructor == 'function' && !isPrototype(object))
+        ? baseCreate(getPrototype(object))
+        : {};
+    }
+
+    /**
+     * Initializes an object clone based on its `toStringTag`.
+     *
+     * **Note:** This function only supports cloning values with tags of
+     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @param {string} tag The `toStringTag` of the object to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+    function initCloneByTag(object, tag, isDeep) {
+      var Ctor = object.constructor;
+      switch (tag) {
+        case arrayBufferTag:
+          return cloneArrayBuffer(object);
+
+        case boolTag:
+        case dateTag:
+          return new Ctor(+object);
+
+        case dataViewTag:
+          return cloneDataView(object, isDeep);
+
+        case float32Tag: case float64Tag:
+        case int8Tag: case int16Tag: case int32Tag:
+        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
+          return cloneTypedArray(object, isDeep);
+
+        case mapTag:
+          return new Ctor;
+
+        case numberTag:
+        case stringTag:
+          return new Ctor(object);
+
+        case regexpTag:
+          return cloneRegExp(object);
+
+        case setTag:
+          return new Ctor;
+
+        case symbolTag:
+          return cloneSymbol(object);
+      }
+    }
+
+    /**
+     * Inserts wrapper `details` in a comment at the top of the `source` body.
+     *
+     * @private
+     * @param {string} source The source to modify.
+     * @returns {Array} details The details to insert.
+     * @returns {string} Returns the modified source.
+     */
+    function insertWrapDetails(source, details) {
+      var length = details.length;
+      if (!length) {
+        return source;
+      }
+      var lastIndex = length - 1;
+      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
+      details = details.join(length > 2 ? ', ' : ' ');
+      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
+    }
+
+    /**
+     * Checks if `value` is a flattenable `arguments` object or array.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+     */
+    function isFlattenable(value) {
+      return isArray(value) || isArguments(value) ||
+        !!(spreadableSymbol && value && value[spreadableSymbol]);
+    }
+
+    /**
+     * Checks if `value` is a valid array-like index.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+     */
+    function isIndex(value, length) {
+      var type = typeof value;
+      length = length == null ? MAX_SAFE_INTEGER : length;
+
+      return !!length &&
+        (type == 'number' ||
+          (type != 'symbol' && reIsUint.test(value))) &&
+            (value > -1 && value % 1 == 0 && value < length);
+    }
+
+    /**
+     * Checks if the given arguments are from an iteratee call.
+     *
+     * @private
+     * @param {*} value The potential iteratee value argument.
+     * @param {*} index The potential iteratee index or key argument.
+     * @param {*} object The potential iteratee object argument.
+     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+     *  else `false`.
+     */
+    function isIterateeCall(value, index, object) {
+      if (!isObject(object)) {
+        return false;
+      }
+      var type = typeof index;
+      if (type == 'number'
+            ? (isArrayLike(object) && isIndex(index, object.length))
+            : (type == 'string' && index in object)
+          ) {
+        return eq(object[index], value);
+      }
+      return false;
+    }
+
+    /**
+     * Checks if `value` is a property name and not a property path.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+     */
+    function isKey(value, object) {
+      if (isArray(value)) {
+        return false;
+      }
+      var type = typeof value;
+      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+          value == null || isSymbol(value)) {
+        return true;
+      }
+      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+        (object != null && value in Object(object));
+    }
+
+    /**
+     * Checks if `value` is suitable for use as unique object key.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+     */
+    function isKeyable(value) {
+      var type = typeof value;
+      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+        ? (value !== '__proto__')
+        : (value === null);
+    }
+
+    /**
+     * Checks if `func` has a lazy counterpart.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
+     *  else `false`.
+     */
+    function isLaziable(func) {
+      var funcName = getFuncName(func),
+          other = lodash[funcName];
+
+      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
+        return false;
+      }
+      if (func === other) {
+        return true;
+      }
+      var data = getData(other);
+      return !!data && func === data[0];
+    }
+
+    /**
+     * Checks if `func` has its source masked.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+     */
+    function isMasked(func) {
+      return !!maskSrcKey && (maskSrcKey in func);
+    }
+
+    /**
+     * Checks if `func` is capable of being masked.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
+     */
+    var isMaskable = coreJsData ? isFunction : stubFalse;
+
+    /**
+     * Checks if `value` is likely a prototype object.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+     */
+    function isPrototype(value) {
+      var Ctor = value && value.constructor,
+          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+
+      return value === proto;
+    }
+
+    /**
+     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` if suitable for strict
+     *  equality comparisons, else `false`.
+     */
+    function isStrictComparable(value) {
+      return value === value && !isObject(value);
+    }
+
+    /**
+     * A specialized version of `matchesProperty` for source values suitable
+     * for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {string} key The key of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function matchesStrictComparable(key, srcValue) {
+      return function(object) {
+        if (object == null) {
+          return false;
+        }
+        return object[key] === srcValue &&
+          (srcValue !== undefined || (key in Object(object)));
+      };
+    }
+
+    /**
+     * A specialized version of `_.memoize` which clears the memoized function's
+     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+     *
+     * @private
+     * @param {Function} func The function to have its output memoized.
+     * @returns {Function} Returns the new memoized function.
+     */
+    function memoizeCapped(func) {
+      var result = memoize(func, function(key) {
+        if (cache.size === MAX_MEMOIZE_SIZE) {
+          cache.clear();
+        }
+        return key;
+      });
+
+      var cache = result.cache;
+      return result;
+    }
+
+    /**
+     * Merges the function metadata of `source` into `data`.
+     *
+     * Merging metadata reduces the number of wrappers used to invoke a function.
+     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
+     * may be applied regardless of execution order. Methods like `_.ary` and
+     * `_.rearg` modify function arguments, making the order in which they are
+     * executed important, preventing the merging of metadata. However, we make
+     * an exception for a safe combined case where curried functions have `_.ary`
+     * and or `_.rearg` applied.
+     *
+     * @private
+     * @param {Array} data The destination metadata.
+     * @param {Array} source The source metadata.
+     * @returns {Array} Returns `data`.
+     */
+    function mergeData(data, source) {
+      var bitmask = data[1],
+          srcBitmask = source[1],
+          newBitmask = bitmask | srcBitmask,
+          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
+
+      var isCombo =
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
+        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
+
+      // Exit early if metadata can't be merged.
+      if (!(isCommon || isCombo)) {
+        return data;
+      }
+      // Use source `thisArg` if available.
+      if (srcBitmask & WRAP_BIND_FLAG) {
+        data[2] = source[2];
+        // Set when currying a bound function.
+        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
+      }
+      // Compose partial arguments.
+      var value = source[3];
+      if (value) {
+        var partials = data[3];
+        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
+        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
+      }
+      // Compose partial right arguments.
+      value = source[5];
+      if (value) {
+        partials = data[5];
+        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
+        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
+      }
+      // Use source `argPos` if available.
+      value = source[7];
+      if (value) {
+        data[7] = value;
+      }
+      // Use source `ary` if it's smaller.
+      if (srcBitmask & WRAP_ARY_FLAG) {
+        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+      }
+      // Use source `arity` if one is not provided.
+      if (data[9] == null) {
+        data[9] = source[9];
+      }
+      // Use source `func` and merge bitmasks.
+      data[0] = source[0];
+      data[1] = newBitmask;
+
+      return data;
+    }
+
+    /**
+     * This function is like
+     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+     * except that it includes inherited enumerable properties.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function nativeKeysIn(object) {
+      var result = [];
+      if (object != null) {
+        for (var key in Object(object)) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Converts `value` to a string using `Object.prototype.toString`.
+     *
+     * @private
+     * @param {*} value The value to convert.
+     * @returns {string} Returns the converted string.
+     */
+    function objectToString(value) {
+      return nativeObjectToString.call(value);
+    }
+
+    /**
+     * A specialized version of `baseRest` which transforms the rest array.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @param {Function} transform The rest array transform.
+     * @returns {Function} Returns the new function.
+     */
+    function overRest(func, start, transform) {
+      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+      return function() {
+        var args = arguments,
+            index = -1,
+            length = nativeMax(args.length - start, 0),
+            array = Array(length);
+
+        while (++index < length) {
+          array[index] = args[start + index];
+        }
+        index = -1;
+        var otherArgs = Array(start + 1);
+        while (++index < start) {
+          otherArgs[index] = args[index];
+        }
+        otherArgs[start] = transform(array);
+        return apply(func, this, otherArgs);
+      };
+    }
+
+    /**
+     * Gets the parent value at `path` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array} path The path to get the parent value of.
+     * @returns {*} Returns the parent value.
+     */
+    function parent(object, path) {
+      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
+    }
+
+    /**
+     * Reorder `array` according to the specified indexes where the element at
+     * the first index is assigned as the first element, the element at
+     * the second index is assigned as the second element, and so on.
+     *
+     * @private
+     * @param {Array} array The array to reorder.
+     * @param {Array} indexes The arranged array indexes.
+     * @returns {Array} Returns `array`.
+     */
+    function reorder(array, indexes) {
+      var arrLength = array.length,
+          length = nativeMin(indexes.length, arrLength),
+          oldArray = copyArray(array);
+
+      while (length--) {
+        var index = indexes[length];
+        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+      }
+      return array;
+    }
+
+    /**
+     * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {string} key The key of the property to get.
+     * @returns {*} Returns the property value.
+     */
+    function safeGet(object, key) {
+      if (key === 'constructor' && typeof object[key] === 'function') {
+        return;
+      }
+
+      if (key == '__proto__') {
+        return;
+      }
+
+      return object[key];
+    }
+
+    /**
+     * Sets metadata for `func`.
+     *
+     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
+     * period of time, it will trip its breaker and transition to an identity
+     * function to avoid garbage collection pauses in V8. See
+     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
+     * for more details.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var setData = shortOut(baseSetData);
+
+    /**
+     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @returns {number|Object} Returns the timer id or timeout object.
+     */
+    var setTimeout = ctxSetTimeout || function(func, wait) {
+      return root.setTimeout(func, wait);
+    };
+
+    /**
+     * Sets the `toString` method of `func` to return `string`.
+     *
+     * @private
+     * @param {Function} func The function to modify.
+     * @param {Function} string The `toString` result.
+     * @returns {Function} Returns `func`.
+     */
+    var setToString = shortOut(baseSetToString);
+
+    /**
+     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
+     * with wrapper details in a comment at the top of the source body.
+     *
+     * @private
+     * @param {Function} wrapper The function to modify.
+     * @param {Function} reference The reference function.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @returns {Function} Returns `wrapper`.
+     */
+    function setWrapToString(wrapper, reference, bitmask) {
+      var source = (reference + '');
+      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
+    }
+
+    /**
+     * Creates a function that'll short out and invoke `identity` instead
+     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+     * milliseconds.
+     *
+     * @private
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new shortable function.
+     */
+    function shortOut(func) {
+      var count = 0,
+          lastCalled = 0;
+
+      return function() {
+        var stamp = nativeNow(),
+            remaining = HOT_SPAN - (stamp - lastCalled);
+
+        lastCalled = stamp;
+        if (remaining > 0) {
+          if (++count >= HOT_COUNT) {
+            return arguments[0];
+          }
+        } else {
+          count = 0;
+        }
+        return func.apply(undefined, arguments);
+      };
+    }
+
+    /**
+     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
+     *
+     * @private
+     * @param {Array} array The array to shuffle.
+     * @param {number} [size=array.length] The size of `array`.
+     * @returns {Array} Returns `array`.
+     */
+    function shuffleSelf(array, size) {
+      var index = -1,
+          length = array.length,
+          lastIndex = length - 1;
+
+      size = size === undefined ? length : size;
+      while (++index < size) {
+        var rand = baseRandom(index, lastIndex),
+            value = array[rand];
+
+        array[rand] = array[index];
+        array[index] = value;
+      }
+      array.length = size;
+      return array;
+    }
+
+    /**
+     * Converts `string` to a property path array.
+     *
+     * @private
+     * @param {string} string The string to convert.
+     * @returns {Array} Returns the property path array.
+     */
+    var stringToPath = memoizeCapped(function(string) {
+      var result = [];
+      if (string.charCodeAt(0) === 46 /* . */) {
+        result.push('');
+      }
+      string.replace(rePropName, function(match, number, quote, subString) {
+        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
+      });
+      return result;
+    });
+
+    /**
+     * Converts `value` to a string key if it's not a string or symbol.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {string|symbol} Returns the key.
+     */
+    function toKey(value) {
+      if (typeof value == 'string' || isSymbol(value)) {
+        return value;
+      }
+      var result = (value + '');
+      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    }
+
+    /**
+     * Converts `func` to its source code.
+     *
+     * @private
+     * @param {Function} func The function to convert.
+     * @returns {string} Returns the source code.
+     */
+    function toSource(func) {
+      if (func != null) {
+        try {
+          return funcToString.call(func);
+        } catch (e) {}
+        try {
+          return (func + '');
+        } catch (e) {}
+      }
+      return '';
+    }
+
+    /**
+     * Updates wrapper `details` based on `bitmask` flags.
+     *
+     * @private
+     * @returns {Array} details The details to modify.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @returns {Array} Returns `details`.
+     */
+    function updateWrapDetails(details, bitmask) {
+      arrayEach(wrapFlags, function(pair) {
+        var value = '_.' + pair[0];
+        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
+          details.push(value);
+        }
+      });
+      return details.sort();
+    }
+
+    /**
+     * Creates a clone of `wrapper`.
+     *
+     * @private
+     * @param {Object} wrapper The wrapper to clone.
+     * @returns {Object} Returns the cloned wrapper.
+     */
+    function wrapperClone(wrapper) {
+      if (wrapper instanceof LazyWrapper) {
+        return wrapper.clone();
+      }
+      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+      result.__actions__ = copyArray(wrapper.__actions__);
+      result.__index__  = wrapper.__index__;
+      result.__values__ = wrapper.__values__;
+      return result;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an array of elements split into groups the length of `size`.
+     * If `array` can't be split evenly, the final chunk will be the remaining
+     * elements.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to process.
+     * @param {number} [size=1] The length of each chunk
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the new array of chunks.
+     * @example
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 2);
+     * // => [['a', 'b'], ['c', 'd']]
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 3);
+     * // => [['a', 'b', 'c'], ['d']]
+     */
+    function chunk(array, size, guard) {
+      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+        size = 1;
+      } else {
+        size = nativeMax(toInteger(size), 0);
+      }
+      var length = array == null ? 0 : array.length;
+      if (!length || size < 1) {
+        return [];
+      }
+      var index = 0,
+          resIndex = 0,
+          result = Array(nativeCeil(length / size));
+
+      while (index < length) {
+        result[resIndex++] = baseSlice(array, index, (index += size));
+      }
+      return result;
+    }
+
+    /**
+     * Creates an array with all falsey values removed. The values `false`, `null`,
+     * `0`, `""`, `undefined`, and `NaN` are falsey.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to compact.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.compact([0, 1, false, 2, '', 3]);
+     * // => [1, 2, 3]
+     */
+    function compact(array) {
+      var index = -1,
+          length = array == null ? 0 : array.length,
+          resIndex = 0,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index];
+        if (value) {
+          result[resIndex++] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Creates a new array concatenating `array` with any additional arrays
+     * and/or values.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to concatenate.
+     * @param {...*} [values] The values to concatenate.
+     * @returns {Array} Returns the new concatenated array.
+     * @example
+     *
+     * var array = [1];
+     * var other = _.concat(array, 2, [3], [[4]]);
+     *
+     * console.log(other);
+     * // => [1, 2, 3, [4]]
+     *
+     * console.log(array);
+     * // => [1]
+     */
+    function concat() {
+      var length = arguments.length;
+      if (!length) {
+        return [];
+      }
+      var args = Array(length - 1),
+          array = arguments[0],
+          index = length;
+
+      while (index--) {
+        args[index - 1] = arguments[index];
+      }
+      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+    }
+
+    /**
+     * Creates an array of `array` values not included in the other given arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. The order and references of result values are
+     * determined by the first array.
+     *
+     * **Note:** Unlike `_.pullAll`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.without, _.xor
+     * @example
+     *
+     * _.difference([2, 1], [2, 3]);
+     * // => [1]
+     */
+    var difference = baseRest(function(array, values) {
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
+        : [];
+    });
+
+    /**
+     * This method is like `_.difference` except that it accepts `iteratee` which
+     * is invoked for each element of `array` and `values` to generate the criterion
+     * by which they're compared. The order and references of result values are
+     * determined by the first array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
+     * // => [{ 'x': 2 }]
+     */
+    var differenceBy = baseRest(function(array, values) {
+      var iteratee = last(values);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
+        : [];
+    });
+
+    /**
+     * This method is like `_.difference` except that it accepts `comparator`
+     * which is invoked to compare elements of `array` to `values`. The order and
+     * references of result values are determined by the first array. The comparator
+     * is invoked with two arguments: (arrVal, othVal).
+     *
+     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     *
+     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
+     * // => [{ 'x': 2, 'y': 1 }]
+     */
+    var differenceWith = baseRest(function(array, values) {
+      var comparator = last(values);
+      if (isArrayLikeObject(comparator)) {
+        comparator = undefined;
+      }
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
+        : [];
+    });
+
+    /**
+     * Creates a slice of `array` with `n` elements dropped from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.drop([1, 2, 3]);
+     * // => [2, 3]
+     *
+     * _.drop([1, 2, 3], 2);
+     * // => [3]
+     *
+     * _.drop([1, 2, 3], 5);
+     * // => []
+     *
+     * _.drop([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+    function drop(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      return baseSlice(array, n < 0 ? 0 : n, length);
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements dropped from the end.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.dropRight([1, 2, 3]);
+     * // => [1, 2]
+     *
+     * _.dropRight([1, 2, 3], 2);
+     * // => [1]
+     *
+     * _.dropRight([1, 2, 3], 5);
+     * // => []
+     *
+     * _.dropRight([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+    function dropRight(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      n = length - n;
+      return baseSlice(array, 0, n < 0 ? 0 : n);
+    }
+
+    /**
+     * Creates a slice of `array` excluding elements dropped from the end.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.dropRightWhile(users, function(o) { return !o.active; });
+     * // => objects for ['barney']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.dropRightWhile(users, ['active', false]);
+     * // => objects for ['barney']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.dropRightWhile(users, 'active');
+     * // => objects for ['barney', 'fred', 'pebbles']
+     */
+    function dropRightWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), true, true)
+        : [];
+    }
+
+    /**
+     * Creates a slice of `array` excluding elements dropped from the beginning.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.dropWhile(users, function(o) { return !o.active; });
+     * // => objects for ['pebbles']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.dropWhile(users, { 'user': 'barney', 'active': false });
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.dropWhile(users, ['active', false]);
+     * // => objects for ['pebbles']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.dropWhile(users, 'active');
+     * // => objects for ['barney', 'fred', 'pebbles']
+     */
+    function dropWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), true)
+        : [];
+    }
+
+    /**
+     * Fills elements of `array` with `value` from `start` up to, but not
+     * including, `end`.
+     *
+     * **Note:** This method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Array
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.fill(array, 'a');
+     * console.log(array);
+     * // => ['a', 'a', 'a']
+     *
+     * _.fill(Array(3), 2);
+     * // => [2, 2, 2]
+     *
+     * _.fill([4, 6, 8, 10], '*', 1, 3);
+     * // => [4, '*', '*', 10]
+     */
+    function fill(array, value, start, end) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
+        start = 0;
+        end = length;
+      }
+      return baseFill(array, value, start, end);
+    }
+
+    /**
+     * This method is like `_.find` except that it returns the index of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.findIndex(users, function(o) { return o.user == 'barney'; });
+     * // => 0
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findIndex(users, { 'user': 'fred', 'active': false });
+     * // => 1
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findIndex(users, ['active', false]);
+     * // => 0
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findIndex(users, 'active');
+     * // => 2
+     */
+    function findIndex(array, predicate, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+      if (index < 0) {
+        index = nativeMax(length + index, 0);
+      }
+      return baseFindIndex(array, getIteratee(predicate, 3), index);
+    }
+
+    /**
+     * This method is like `_.findIndex` except that it iterates over elements
+     * of `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=array.length-1] The index to search from.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
+     * // => 2
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
+     * // => 0
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findLastIndex(users, ['active', false]);
+     * // => 2
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findLastIndex(users, 'active');
+     * // => 0
+     */
+    function findLastIndex(array, predicate, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = length - 1;
+      if (fromIndex !== undefined) {
+        index = toInteger(fromIndex);
+        index = fromIndex < 0
+          ? nativeMax(length + index, 0)
+          : nativeMin(index, length - 1);
+      }
+      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
+    }
+
+    /**
+     * Flattens `array` a single level deep.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flatten([1, [2, [3, [4]], 5]]);
+     * // => [1, 2, [3, [4]], 5]
+     */
+    function flatten(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseFlatten(array, 1) : [];
+    }
+
+    /**
+     * Recursively flattens `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flattenDeep([1, [2, [3, [4]], 5]]);
+     * // => [1, 2, 3, 4, 5]
+     */
+    function flattenDeep(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseFlatten(array, INFINITY) : [];
+    }
+
+    /**
+     * Recursively flatten `array` up to `depth` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.4.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @param {number} [depth=1] The maximum recursion depth.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * var array = [1, [2, [3, [4]], 5]];
+     *
+     * _.flattenDepth(array, 1);
+     * // => [1, 2, [3, [4]], 5]
+     *
+     * _.flattenDepth(array, 2);
+     * // => [1, 2, 3, [4], 5]
+     */
+    function flattenDepth(array, depth) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      depth = depth === undefined ? 1 : toInteger(depth);
+      return baseFlatten(array, depth);
+    }
+
+    /**
+     * The inverse of `_.toPairs`; this method returns an object composed
+     * from key-value `pairs`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} pairs The key-value pairs.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.fromPairs([['a', 1], ['b', 2]]);
+     * // => { 'a': 1, 'b': 2 }
+     */
+    function fromPairs(pairs) {
+      var index = -1,
+          length = pairs == null ? 0 : pairs.length,
+          result = {};
+
+      while (++index < length) {
+        var pair = pairs[index];
+        result[pair[0]] = pair[1];
+      }
+      return result;
+    }
+
+    /**
+     * Gets the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @alias first
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the first element of `array`.
+     * @example
+     *
+     * _.head([1, 2, 3]);
+     * // => 1
+     *
+     * _.head([]);
+     * // => undefined
+     */
+    function head(array) {
+      return (array && array.length) ? array[0] : undefined;
+    }
+
+    /**
+     * Gets the index at which the first occurrence of `value` is found in `array`
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. If `fromIndex` is negative, it's used as the
+     * offset from the end of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.indexOf([1, 2, 1, 2], 2);
+     * // => 1
+     *
+     * // Search from the `fromIndex`.
+     * _.indexOf([1, 2, 1, 2], 2, 2);
+     * // => 3
+     */
+    function indexOf(array, value, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+      if (index < 0) {
+        index = nativeMax(length + index, 0);
+      }
+      return baseIndexOf(array, value, index);
+    }
+
+    /**
+     * Gets all but the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.initial([1, 2, 3]);
+     * // => [1, 2]
+     */
+    function initial(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseSlice(array, 0, -1) : [];
+    }
+
+    /**
+     * Creates an array of unique values that are included in all given arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. The order and references of result values are
+     * determined by the first array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * _.intersection([2, 1], [2, 3]);
+     * // => [2]
+     */
+    var intersection = baseRest(function(arrays) {
+      var mapped = arrayMap(arrays, castArrayLikeObject);
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped)
+        : [];
+    });
+
+    /**
+     * This method is like `_.intersection` except that it accepts `iteratee`
+     * which is invoked for each element of each `arrays` to generate the criterion
+     * by which they're compared. The order and references of result values are
+     * determined by the first array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [2.1]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }]
+     */
+    var intersectionBy = baseRest(function(arrays) {
+      var iteratee = last(arrays),
+          mapped = arrayMap(arrays, castArrayLikeObject);
+
+      if (iteratee === last(mapped)) {
+        iteratee = undefined;
+      } else {
+        mapped.pop();
+      }
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped, getIteratee(iteratee, 2))
+        : [];
+    });
+
+    /**
+     * This method is like `_.intersection` except that it accepts `comparator`
+     * which is invoked to compare elements of `arrays`. The order and references
+     * of result values are determined by the first array. The comparator is
+     * invoked with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.intersectionWith(objects, others, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }]
+     */
+    var intersectionWith = baseRest(function(arrays) {
+      var comparator = last(arrays),
+          mapped = arrayMap(arrays, castArrayLikeObject);
+
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      if (comparator) {
+        mapped.pop();
+      }
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped, undefined, comparator)
+        : [];
+    });
+
+    /**
+     * Converts all elements in `array` into a string separated by `separator`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to convert.
+     * @param {string} [separator=','] The element separator.
+     * @returns {string} Returns the joined string.
+     * @example
+     *
+     * _.join(['a', 'b', 'c'], '~');
+     * // => 'a~b~c'
+     */
+    function join(array, separator) {
+      return array == null ? '' : nativeJoin.call(array, separator);
+    }
+
+    /**
+     * Gets the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the last element of `array`.
+     * @example
+     *
+     * _.last([1, 2, 3]);
+     * // => 3
+     */
+    function last(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? array[length - 1] : undefined;
+    }
+
+    /**
+     * This method is like `_.indexOf` except that it iterates over elements of
+     * `array` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=array.length-1] The index to search from.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.lastIndexOf([1, 2, 1, 2], 2);
+     * // => 3
+     *
+     * // Search from the `fromIndex`.
+     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
+     * // => 1
+     */
+    function lastIndexOf(array, value, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = length;
+      if (fromIndex !== undefined) {
+        index = toInteger(fromIndex);
+        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
+      }
+      return value === value
+        ? strictLastIndexOf(array, value, index)
+        : baseFindIndex(array, baseIsNaN, index, true);
+    }
+
+    /**
+     * Gets the element at index `n` of `array`. If `n` is negative, the nth
+     * element from the end is returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.11.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=0] The index of the element to return.
+     * @returns {*} Returns the nth element of `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'd'];
+     *
+     * _.nth(array, 1);
+     * // => 'b'
+     *
+     * _.nth(array, -2);
+     * // => 'c';
+     */
+    function nth(array, n) {
+      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
+    }
+
+    /**
+     * Removes all given values from `array` using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
+     * to remove elements from an array by predicate.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...*} [values] The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+     *
+     * _.pull(array, 'a', 'c');
+     * console.log(array);
+     * // => ['b', 'b']
+     */
+    var pull = baseRest(pullAll);
+
+    /**
+     * This method is like `_.pull` except that it accepts an array of values to remove.
+     *
+     * **Note:** Unlike `_.difference`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+     *
+     * _.pullAll(array, ['a', 'c']);
+     * console.log(array);
+     * // => ['b', 'b']
+     */
+    function pullAll(array, values) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values)
+        : array;
+    }
+
+    /**
+     * This method is like `_.pullAll` except that it accepts `iteratee` which is
+     * invoked for each element of `array` and `values` to generate the criterion
+     * by which they're compared. The iteratee is invoked with one argument: (value).
+     *
+     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+     *
+     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
+     * console.log(array);
+     * // => [{ 'x': 2 }]
+     */
+    function pullAllBy(array, values, iteratee) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values, getIteratee(iteratee, 2))
+        : array;
+    }
+
+    /**
+     * This method is like `_.pullAll` except that it accepts `comparator` which
+     * is invoked to compare elements of `array` to `values`. The comparator is
+     * invoked with two arguments: (arrVal, othVal).
+     *
+     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
+     *
+     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
+     * console.log(array);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
+     */
+    function pullAllWith(array, values, comparator) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values, undefined, comparator)
+        : array;
+    }
+
+    /**
+     * Removes elements from `array` corresponding to `indexes` and returns an
+     * array of removed elements.
+     *
+     * **Note:** Unlike `_.at`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'd'];
+     * var pulled = _.pullAt(array, [1, 3]);
+     *
+     * console.log(array);
+     * // => ['a', 'c']
+     *
+     * console.log(pulled);
+     * // => ['b', 'd']
+     */
+    var pullAt = flatRest(function(array, indexes) {
+      var length = array == null ? 0 : array.length,
+          result = baseAt(array, indexes);
+
+      basePullAt(array, arrayMap(indexes, function(index) {
+        return isIndex(index, length) ? +index : index;
+      }).sort(compareAscending));
+
+      return result;
+    });
+
+    /**
+     * Removes all elements from `array` that `predicate` returns truthy for
+     * and returns an array of the removed elements. The predicate is invoked
+     * with three arguments: (value, index, array).
+     *
+     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
+     * to pull elements from an array by value.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = [1, 2, 3, 4];
+     * var evens = _.remove(array, function(n) {
+     *   return n % 2 == 0;
+     * });
+     *
+     * console.log(array);
+     * // => [1, 3]
+     *
+     * console.log(evens);
+     * // => [2, 4]
+     */
+    function remove(array, predicate) {
+      var result = [];
+      if (!(array && array.length)) {
+        return result;
+      }
+      var index = -1,
+          indexes = [],
+          length = array.length;
+
+      predicate = getIteratee(predicate, 3);
+      while (++index < length) {
+        var value = array[index];
+        if (predicate(value, index, array)) {
+          result.push(value);
+          indexes.push(index);
+        }
+      }
+      basePullAt(array, indexes);
+      return result;
+    }
+
+    /**
+     * Reverses `array` so that the first element becomes the last, the second
+     * element becomes the second to last, and so on.
+     *
+     * **Note:** This method mutates `array` and is based on
+     * [`Array#reverse`](https://mdn.io/Array/reverse).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.reverse(array);
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+    function reverse(array) {
+      return array == null ? array : nativeReverse.call(array);
+    }
+
+    /**
+     * Creates a slice of `array` from `start` up to, but not including, `end`.
+     *
+     * **Note:** This method is used instead of
+     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
+     * returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function slice(array, start, end) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
+        start = 0;
+        end = length;
+      }
+      else {
+        start = start == null ? 0 : toInteger(start);
+        end = end === undefined ? length : toInteger(end);
+      }
+      return baseSlice(array, start, end);
+    }
+
+    /**
+     * Uses a binary search to determine the lowest index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedIndex([30, 50], 40);
+     * // => 1
+     */
+    function sortedIndex(array, value) {
+      return baseSortedIndex(array, value);
+    }
+
+    /**
+     * This method is like `_.sortedIndex` except that it accepts `iteratee`
+     * which is invoked for `value` and each element of `array` to compute their
+     * sort ranking. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+     *
+     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+     * // => 0
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
+     * // => 0
+     */
+    function sortedIndexBy(array, value, iteratee) {
+      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
+    }
+
+    /**
+     * This method is like `_.indexOf` except that it performs a binary
+     * search on a sorted `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
+     * // => 1
+     */
+    function sortedIndexOf(array, value) {
+      var length = array == null ? 0 : array.length;
+      if (length) {
+        var index = baseSortedIndex(array, value);
+        if (index < length && eq(array[index], value)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * This method is like `_.sortedIndex` except that it returns the highest
+     * index at which `value` should be inserted into `array` in order to
+     * maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
+     * // => 4
+     */
+    function sortedLastIndex(array, value) {
+      return baseSortedIndex(array, value, true);
+    }
+
+    /**
+     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
+     * which is invoked for `value` and each element of `array` to compute their
+     * sort ranking. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+     *
+     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+     * // => 1
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
+     * // => 1
+     */
+    function sortedLastIndexBy(array, value, iteratee) {
+      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
+    }
+
+    /**
+     * This method is like `_.lastIndexOf` except that it performs a binary
+     * search on a sorted `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
+     * // => 3
+     */
+    function sortedLastIndexOf(array, value) {
+      var length = array == null ? 0 : array.length;
+      if (length) {
+        var index = baseSortedIndex(array, value, true) - 1;
+        if (eq(array[index], value)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * This method is like `_.uniq` except that it's designed and optimized
+     * for sorted arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.sortedUniq([1, 1, 2]);
+     * // => [1, 2]
+     */
+    function sortedUniq(array) {
+      return (array && array.length)
+        ? baseSortedUniq(array)
+        : [];
+    }
+
+    /**
+     * This method is like `_.uniqBy` except that it's designed and optimized
+     * for sorted arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
+     * // => [1.1, 2.3]
+     */
+    function sortedUniqBy(array, iteratee) {
+      return (array && array.length)
+        ? baseSortedUniq(array, getIteratee(iteratee, 2))
+        : [];
+    }
+
+    /**
+     * Gets all but the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.tail([1, 2, 3]);
+     * // => [2, 3]
+     */
+    function tail(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseSlice(array, 1, length) : [];
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements taken from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.take([1, 2, 3]);
+     * // => [1]
+     *
+     * _.take([1, 2, 3], 2);
+     * // => [1, 2]
+     *
+     * _.take([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.take([1, 2, 3], 0);
+     * // => []
+     */
+    function take(array, n, guard) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      return baseSlice(array, 0, n < 0 ? 0 : n);
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements taken from the end.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.takeRight([1, 2, 3]);
+     * // => [3]
+     *
+     * _.takeRight([1, 2, 3], 2);
+     * // => [2, 3]
+     *
+     * _.takeRight([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.takeRight([1, 2, 3], 0);
+     * // => []
+     */
+    function takeRight(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      n = length - n;
+      return baseSlice(array, n < 0 ? 0 : n, length);
+    }
+
+    /**
+     * Creates a slice of `array` with elements taken from the end. Elements are
+     * taken until `predicate` returns falsey. The predicate is invoked with
+     * three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.takeRightWhile(users, function(o) { return !o.active; });
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
+     * // => objects for ['pebbles']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.takeRightWhile(users, ['active', false]);
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.takeRightWhile(users, 'active');
+     * // => []
+     */
+    function takeRightWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), false, true)
+        : [];
+    }
+
+    /**
+     * Creates a slice of `array` with elements taken from the beginning. Elements
+     * are taken until `predicate` returns falsey. The predicate is invoked with
+     * three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.takeWhile(users, function(o) { return !o.active; });
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.takeWhile(users, { 'user': 'barney', 'active': false });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.takeWhile(users, ['active', false]);
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.takeWhile(users, 'active');
+     * // => []
+     */
+    function takeWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3))
+        : [];
+    }
+
+    /**
+     * Creates an array of unique values, in order, from all given arrays using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.union([2], [1, 2]);
+     * // => [2, 1]
+     */
+    var union = baseRest(function(arrays) {
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
+    });
+
+    /**
+     * This method is like `_.union` except that it accepts `iteratee` which is
+     * invoked for each element of each `arrays` to generate the criterion by
+     * which uniqueness is computed. Result values are chosen from the first
+     * array in which the value occurs. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
+     * // => [2.1, 1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+    var unionBy = baseRest(function(arrays) {
+      var iteratee = last(arrays);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
+    });
+
+    /**
+     * This method is like `_.union` except that it accepts `comparator` which
+     * is invoked to compare elements of `arrays`. Result values are chosen from
+     * the first array in which the value occurs. The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.unionWith(objects, others, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+     */
+    var unionWith = baseRest(function(arrays) {
+      var comparator = last(arrays);
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
+    });
+
+    /**
+     * Creates a duplicate-free version of an array, using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons, in which only the first occurrence of each element
+     * is kept. The order of result values is determined by the order they occur
+     * in the array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.uniq([2, 1, 2]);
+     * // => [2, 1]
+     */
+    function uniq(array) {
+      return (array && array.length) ? baseUniq(array) : [];
+    }
+
+    /**
+     * This method is like `_.uniq` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * uniqueness is computed. The order of result values is determined by the
+     * order they occur in the array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
+     * // => [2.1, 1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+    function uniqBy(array, iteratee) {
+      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
+    }
+
+    /**
+     * This method is like `_.uniq` except that it accepts `comparator` which
+     * is invoked to compare elements of `array`. The order of result values is
+     * determined by the order they occur in the array.The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.uniqWith(objects, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
+     */
+    function uniqWith(array, comparator) {
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
+    }
+
+    /**
+     * This method is like `_.zip` except that it accepts an array of grouped
+     * elements and creates an array regrouping the elements to their pre-zip
+     * configuration.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.2.0
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
+     * // => [['a', 1, true], ['b', 2, false]]
+     *
+     * _.unzip(zipped);
+     * // => [['a', 'b'], [1, 2], [true, false]]
+     */
+    function unzip(array) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      var length = 0;
+      array = arrayFilter(array, function(group) {
+        if (isArrayLikeObject(group)) {
+          length = nativeMax(group.length, length);
+          return true;
+        }
+      });
+      return baseTimes(length, function(index) {
+        return arrayMap(array, baseProperty(index));
+      });
+    }
+
+    /**
+     * This method is like `_.unzip` except that it accepts `iteratee` to specify
+     * how regrouped values should be combined. The iteratee is invoked with the
+     * elements of each group: (...group).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @param {Function} [iteratee=_.identity] The function to combine
+     *  regrouped values.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
+     * // => [[1, 10, 100], [2, 20, 200]]
+     *
+     * _.unzipWith(zipped, _.add);
+     * // => [3, 30, 300]
+     */
+    function unzipWith(array, iteratee) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      var result = unzip(array);
+      if (iteratee == null) {
+        return result;
+      }
+      return arrayMap(result, function(group) {
+        return apply(iteratee, undefined, group);
+      });
+    }
+
+    /**
+     * Creates an array excluding all given values using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.pull`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...*} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.difference, _.xor
+     * @example
+     *
+     * _.without([2, 1, 2, 3], 1, 2);
+     * // => [3]
+     */
+    var without = baseRest(function(array, values) {
+      return isArrayLikeObject(array)
+        ? baseDifference(array, values)
+        : [];
+    });
+
+    /**
+     * Creates an array of unique values that is the
+     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+     * of the given arrays. The order of result values is determined by the order
+     * they occur in the arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.difference, _.without
+     * @example
+     *
+     * _.xor([2, 1], [2, 3]);
+     * // => [1, 3]
+     */
+    var xor = baseRest(function(arrays) {
+      return baseXor(arrayFilter(arrays, isArrayLikeObject));
+    });
+
+    /**
+     * This method is like `_.xor` except that it accepts `iteratee` which is
+     * invoked for each element of each `arrays` to generate the criterion by
+     * which by which they're compared. The order of result values is determined
+     * by the order they occur in the arrays. The iteratee is invoked with one
+     * argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [1.2, 3.4]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 2 }]
+     */
+    var xorBy = baseRest(function(arrays) {
+      var iteratee = last(arrays);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
+    });
+
+    /**
+     * This method is like `_.xor` except that it accepts `comparator` which is
+     * invoked to compare elements of `arrays`. The order of result values is
+     * determined by the order they occur in the arrays. The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.xorWith(objects, others, _.isEqual);
+     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+     */
+    var xorWith = baseRest(function(arrays) {
+      var comparator = last(arrays);
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
+    });
+
+    /**
+     * Creates an array of grouped elements, the first of which contains the
+     * first elements of the given arrays, the second of which contains the
+     * second elements of the given arrays, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zip(['a', 'b'], [1, 2], [true, false]);
+     * // => [['a', 1, true], ['b', 2, false]]
+     */
+    var zip = baseRest(unzip);
+
+    /**
+     * This method is like `_.fromPairs` except that it accepts two arrays,
+     * one of property identifiers and one of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.4.0
+     * @category Array
+     * @param {Array} [props=[]] The property identifiers.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObject(['a', 'b'], [1, 2]);
+     * // => { 'a': 1, 'b': 2 }
+     */
+    function zipObject(props, values) {
+      return baseZipObject(props || [], values || [], assignValue);
+    }
+
+    /**
+     * This method is like `_.zipObject` except that it supports property paths.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.1.0
+     * @category Array
+     * @param {Array} [props=[]] The property identifiers.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
+     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
+     */
+    function zipObjectDeep(props, values) {
+      return baseZipObject(props || [], values || [], baseSet);
+    }
+
+    /**
+     * This method is like `_.zip` except that it accepts `iteratee` to specify
+     * how grouped values should be combined. The iteratee is invoked with the
+     * elements of each group: (...group).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @param {Function} [iteratee=_.identity] The function to combine
+     *  grouped values.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
+     *   return a + b + c;
+     * });
+     * // => [111, 222]
+     */
+    var zipWith = baseRest(function(arrays) {
+      var length = arrays.length,
+          iteratee = length > 1 ? arrays[length - 1] : undefined;
+
+      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
+      return unzipWith(arrays, iteratee);
+    });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
+     * chain sequences enabled. The result of such sequences must be unwrapped
+     * with `_#value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.3.0
+     * @category Seq
+     * @param {*} value The value to wrap.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36 },
+     *   { 'user': 'fred',    'age': 40 },
+     *   { 'user': 'pebbles', 'age': 1 }
+     * ];
+     *
+     * var youngest = _
+     *   .chain(users)
+     *   .sortBy('age')
+     *   .map(function(o) {
+     *     return o.user + ' is ' + o.age;
+     *   })
+     *   .head()
+     *   .value();
+     * // => 'pebbles is 1'
+     */
+    function chain(value) {
+      var result = lodash(value);
+      result.__chain__ = true;
+      return result;
+    }
+
+    /**
+     * This method invokes `interceptor` and returns `value`. The interceptor
+     * is invoked with one argument; (value). The purpose of this method is to
+     * "tap into" a method chain sequence in order to modify intermediate results.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * _([1, 2, 3])
+     *  .tap(function(array) {
+     *    // Mutate input array.
+     *    array.pop();
+     *  })
+     *  .reverse()
+     *  .value();
+     * // => [2, 1]
+     */
+    function tap(value, interceptor) {
+      interceptor(value);
+      return value;
+    }
+
+    /**
+     * This method is like `_.tap` except that it returns the result of `interceptor`.
+     * The purpose of this method is to "pass thru" values replacing intermediate
+     * results in a method chain sequence.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Seq
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @returns {*} Returns the result of `interceptor`.
+     * @example
+     *
+     * _('  abc  ')
+     *  .chain()
+     *  .trim()
+     *  .thru(function(value) {
+     *    return [value];
+     *  })
+     *  .value();
+     * // => ['abc']
+     */
+    function thru(value, interceptor) {
+      return interceptor(value);
+    }
+
+    /**
+     * This method is the wrapper version of `_.at`.
+     *
+     * @name at
+     * @memberOf _
+     * @since 1.0.0
+     * @category Seq
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+     *
+     * _(object).at(['a[0].b.c', 'a[1]']).value();
+     * // => [3, 4]
+     */
+    var wrapperAt = flatRest(function(paths) {
+      var length = paths.length,
+          start = length ? paths[0] : 0,
+          value = this.__wrapped__,
+          interceptor = function(object) { return baseAt(object, paths); };
+
+      if (length > 1 || this.__actions__.length ||
+          !(value instanceof LazyWrapper) || !isIndex(start)) {
+        return this.thru(interceptor);
+      }
+      value = value.slice(start, +start + (length ? 1 : 0));
+      value.__actions__.push({
+        'func': thru,
+        'args': [interceptor],
+        'thisArg': undefined
+      });
+      return new LodashWrapper(value, this.__chain__).thru(function(array) {
+        if (length && !array.length) {
+          array.push(undefined);
+        }
+        return array;
+      });
+    });
+
+    /**
+     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
+     *
+     * @name chain
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * // A sequence without explicit chaining.
+     * _(users).head();
+     * // => { 'user': 'barney', 'age': 36 }
+     *
+     * // A sequence with explicit chaining.
+     * _(users)
+     *   .chain()
+     *   .head()
+     *   .pick('user')
+     *   .value();
+     * // => { 'user': 'barney' }
+     */
+    function wrapperChain() {
+      return chain(this);
+    }
+
+    /**
+     * Executes the chain sequence and returns the wrapped result.
+     *
+     * @name commit
+     * @memberOf _
+     * @since 3.2.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2];
+     * var wrapped = _(array).push(3);
+     *
+     * console.log(array);
+     * // => [1, 2]
+     *
+     * wrapped = wrapped.commit();
+     * console.log(array);
+     * // => [1, 2, 3]
+     *
+     * wrapped.last();
+     * // => 3
+     *
+     * console.log(array);
+     * // => [1, 2, 3]
+     */
+    function wrapperCommit() {
+      return new LodashWrapper(this.value(), this.__chain__);
+    }
+
+    /**
+     * Gets the next value on a wrapped object following the
+     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
+     *
+     * @name next
+     * @memberOf _
+     * @since 4.0.0
+     * @category Seq
+     * @returns {Object} Returns the next iterator value.
+     * @example
+     *
+     * var wrapped = _([1, 2]);
+     *
+     * wrapped.next();
+     * // => { 'done': false, 'value': 1 }
+     *
+     * wrapped.next();
+     * // => { 'done': false, 'value': 2 }
+     *
+     * wrapped.next();
+     * // => { 'done': true, 'value': undefined }
+     */
+    function wrapperNext() {
+      if (this.__values__ === undefined) {
+        this.__values__ = toArray(this.value());
+      }
+      var done = this.__index__ >= this.__values__.length,
+          value = done ? undefined : this.__values__[this.__index__++];
+
+      return { 'done': done, 'value': value };
+    }
+
+    /**
+     * Enables the wrapper to be iterable.
+     *
+     * @name Symbol.iterator
+     * @memberOf _
+     * @since 4.0.0
+     * @category Seq
+     * @returns {Object} Returns the wrapper object.
+     * @example
+     *
+     * var wrapped = _([1, 2]);
+     *
+     * wrapped[Symbol.iterator]() === wrapped;
+     * // => true
+     *
+     * Array.from(wrapped);
+     * // => [1, 2]
+     */
+    function wrapperToIterator() {
+      return this;
+    }
+
+    /**
+     * Creates a clone of the chain sequence planting `value` as the wrapped value.
+     *
+     * @name plant
+     * @memberOf _
+     * @since 3.2.0
+     * @category Seq
+     * @param {*} value The value to plant.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var wrapped = _([1, 2]).map(square);
+     * var other = wrapped.plant([3, 4]);
+     *
+     * other.value();
+     * // => [9, 16]
+     *
+     * wrapped.value();
+     * // => [1, 4]
+     */
+    function wrapperPlant(value) {
+      var result,
+          parent = this;
+
+      while (parent instanceof baseLodash) {
+        var clone = wrapperClone(parent);
+        clone.__index__ = 0;
+        clone.__values__ = undefined;
+        if (result) {
+          previous.__wrapped__ = clone;
+        } else {
+          result = clone;
+        }
+        var previous = clone;
+        parent = parent.__wrapped__;
+      }
+      previous.__wrapped__ = value;
+      return result;
+    }
+
+    /**
+     * This method is the wrapper version of `_.reverse`.
+     *
+     * **Note:** This method mutates the wrapped array.
+     *
+     * @name reverse
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _(array).reverse().value()
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+    function wrapperReverse() {
+      var value = this.__wrapped__;
+      if (value instanceof LazyWrapper) {
+        var wrapped = value;
+        if (this.__actions__.length) {
+          wrapped = new LazyWrapper(this);
+        }
+        wrapped = wrapped.reverse();
+        wrapped.__actions__.push({
+          'func': thru,
+          'args': [reverse],
+          'thisArg': undefined
+        });
+        return new LodashWrapper(wrapped, this.__chain__);
+      }
+      return this.thru(reverse);
+    }
+
+    /**
+     * Executes the chain sequence to resolve the unwrapped value.
+     *
+     * @name value
+     * @memberOf _
+     * @since 0.1.0
+     * @alias toJSON, valueOf
+     * @category Seq
+     * @returns {*} Returns the resolved unwrapped value.
+     * @example
+     *
+     * _([1, 2, 3]).value();
+     * // => [1, 2, 3]
+     */
+    function wrapperValue() {
+      return baseWrapperValue(this.__wrapped__, this.__actions__);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The corresponding value of
+     * each key is the number of times the key was returned by `iteratee`. The
+     * iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.countBy([6.1, 4.2, 6.3], Math.floor);
+     * // => { '4': 1, '6': 2 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.countBy(['one', 'two', 'three'], 'length');
+     * // => { '3': 2, '5': 1 }
+     */
+    var countBy = createAggregator(function(result, value, key) {
+      if (hasOwnProperty.call(result, key)) {
+        ++result[key];
+      } else {
+        baseAssignValue(result, key, 1);
+      }
+    });
+
+    /**
+     * Checks if `predicate` returns truthy for **all** elements of `collection`.
+     * Iteration is stopped once `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * **Note:** This method returns `true` for
+     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
+     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
+     * elements of empty collections.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.every([true, 1, null, 'yes'], Boolean);
+     * // => false
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.every(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.every(users, ['active', false]);
+     * // => true
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.every(users, 'active');
+     * // => false
+     */
+    function every(collection, predicate, guard) {
+      var func = isArray(collection) ? arrayEvery : baseEvery;
+      if (guard && isIterateeCall(collection, predicate, guard)) {
+        predicate = undefined;
+      }
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Iterates over elements of `collection`, returning an array of all elements
+     * `predicate` returns truthy for. The predicate is invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * **Note:** Unlike `_.remove`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     * @see _.reject
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * _.filter(users, function(o) { return !o.active; });
+     * // => objects for ['fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.filter(users, { 'age': 36, 'active': true });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.filter(users, ['active', false]);
+     * // => objects for ['fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.filter(users, 'active');
+     * // => objects for ['barney']
+     *
+     * // Combining several predicates using `_.overEvery` or `_.overSome`.
+     * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
+     * // => objects for ['fred', 'barney']
+     */
+    function filter(collection, predicate) {
+      var func = isArray(collection) ? arrayFilter : baseFilter;
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Iterates over elements of `collection`, returning the first element
+     * `predicate` returns truthy for. The predicate is invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': true },
+     *   { 'user': 'fred',    'age': 40, 'active': false },
+     *   { 'user': 'pebbles', 'age': 1,  'active': true }
+     * ];
+     *
+     * _.find(users, function(o) { return o.age < 40; });
+     * // => object for 'barney'
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.find(users, { 'age': 1, 'active': true });
+     * // => object for 'pebbles'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.find(users, ['active', false]);
+     * // => object for 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.find(users, 'active');
+     * // => object for 'barney'
+     */
+    var find = createFind(findIndex);
+
+    /**
+     * This method is like `_.find` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=collection.length-1] The index to search from.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * _.findLast([1, 2, 3, 4], function(n) {
+     *   return n % 2 == 1;
+     * });
+     * // => 3
+     */
+    var findLast = createFind(findLastIndex);
+
+    /**
+     * Creates a flattened array of values by running each element in `collection`
+     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
+     * with three arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [n, n];
+     * }
+     *
+     * _.flatMap([1, 2], duplicate);
+     * // => [1, 1, 2, 2]
+     */
+    function flatMap(collection, iteratee) {
+      return baseFlatten(map(collection, iteratee), 1);
+    }
+
+    /**
+     * This method is like `_.flatMap` except that it recursively flattens the
+     * mapped results.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [[[n, n]]];
+     * }
+     *
+     * _.flatMapDeep([1, 2], duplicate);
+     * // => [1, 1, 2, 2]
+     */
+    function flatMapDeep(collection, iteratee) {
+      return baseFlatten(map(collection, iteratee), INFINITY);
+    }
+
+    /**
+     * This method is like `_.flatMap` except that it recursively flattens the
+     * mapped results up to `depth` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {number} [depth=1] The maximum recursion depth.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [[[n, n]]];
+     * }
+     *
+     * _.flatMapDepth([1, 2], duplicate, 2);
+     * // => [[1, 1], [2, 2]]
+     */
+    function flatMapDepth(collection, iteratee, depth) {
+      depth = depth === undefined ? 1 : toInteger(depth);
+      return baseFlatten(map(collection, iteratee), depth);
+    }
+
+    /**
+     * Iterates over elements of `collection` and invokes `iteratee` for each element.
+     * The iteratee is invoked with three arguments: (value, index|key, collection).
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * **Note:** As with other "Collections" methods, objects with a "length"
+     * property are iterated like arrays. To avoid this behavior use `_.forIn`
+     * or `_.forOwn` for object iteration.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @alias each
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     * @see _.forEachRight
+     * @example
+     *
+     * _.forEach([1, 2], function(value) {
+     *   console.log(value);
+     * });
+     * // => Logs `1` then `2`.
+     *
+     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+     */
+    function forEach(collection, iteratee) {
+      var func = isArray(collection) ? arrayEach : baseEach;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.forEach` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @alias eachRight
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     * @see _.forEach
+     * @example
+     *
+     * _.forEachRight([1, 2], function(value) {
+     *   console.log(value);
+     * });
+     * // => Logs `2` then `1`.
+     */
+    function forEachRight(collection, iteratee) {
+      var func = isArray(collection) ? arrayEachRight : baseEachRight;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The order of grouped values
+     * is determined by the order they occur in `collection`. The corresponding
+     * value of each key is an array of elements responsible for generating the
+     * key. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
+     * // => { '4': [4.2], '6': [6.1, 6.3] }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.groupBy(['one', 'two', 'three'], 'length');
+     * // => { '3': ['one', 'two'], '5': ['three'] }
+     */
+    var groupBy = createAggregator(function(result, value, key) {
+      if (hasOwnProperty.call(result, key)) {
+        result[key].push(value);
+      } else {
+        baseAssignValue(result, key, [value]);
+      }
+    });
+
+    /**
+     * Checks if `value` is in `collection`. If `collection` is a string, it's
+     * checked for a substring of `value`, otherwise
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * is used for equality comparisons. If `fromIndex` is negative, it's used as
+     * the offset from the end of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+     * @returns {boolean} Returns `true` if `value` is found, else `false`.
+     * @example
+     *
+     * _.includes([1, 2, 3], 1);
+     * // => true
+     *
+     * _.includes([1, 2, 3], 1, 2);
+     * // => false
+     *
+     * _.includes({ 'a': 1, 'b': 2 }, 1);
+     * // => true
+     *
+     * _.includes('abcd', 'bc');
+     * // => true
+     */
+    function includes(collection, value, fromIndex, guard) {
+      collection = isArrayLike(collection) ? collection : values(collection);
+      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
+
+      var length = collection.length;
+      if (fromIndex < 0) {
+        fromIndex = nativeMax(length + fromIndex, 0);
+      }
+      return isString(collection)
+        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
+        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
+    }
+
+    /**
+     * Invokes the method at `path` of each element in `collection`, returning
+     * an array of the results of each invoked method. Any additional arguments
+     * are provided to each invoked method. If `path` is a function, it's invoked
+     * for, and `this` bound to, each element in `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Array|Function|string} path The path of the method to invoke or
+     *  the function invoked per iteration.
+     * @param {...*} [args] The arguments to invoke each method with.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
+     * // => [[1, 5, 7], [1, 2, 3]]
+     *
+     * _.invokeMap([123, 456], String.prototype.split, '');
+     * // => [['1', '2', '3'], ['4', '5', '6']]
+     */
+    var invokeMap = baseRest(function(collection, path, args) {
+      var index = -1,
+          isFunc = typeof path == 'function',
+          result = isArrayLike(collection) ? Array(collection.length) : [];
+
+      baseEach(collection, function(value) {
+        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
+      });
+      return result;
+    });
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The corresponding value of
+     * each key is the last element responsible for generating the key. The
+     * iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * var array = [
+     *   { 'dir': 'left', 'code': 97 },
+     *   { 'dir': 'right', 'code': 100 }
+     * ];
+     *
+     * _.keyBy(array, function(o) {
+     *   return String.fromCharCode(o.code);
+     * });
+     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+     *
+     * _.keyBy(array, 'dir');
+     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
+     */
+    var keyBy = createAggregator(function(result, value, key) {
+      baseAssignValue(result, key, value);
+    });
+
+    /**
+     * Creates an array of values by running each element in `collection` thru
+     * `iteratee`. The iteratee is invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+     *
+     * The guarded methods are:
+     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
+     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
+     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
+     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * _.map([4, 8], square);
+     * // => [16, 64]
+     *
+     * _.map({ 'a': 4, 'b': 8 }, square);
+     * // => [16, 64] (iteration order is not guaranteed)
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.map(users, 'user');
+     * // => ['barney', 'fred']
+     */
+    function map(collection, iteratee) {
+      var func = isArray(collection) ? arrayMap : baseMap;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.sortBy` except that it allows specifying the sort
+     * orders of the iteratees to sort by. If `orders` is unspecified, all values
+     * are sorted in ascending order. Otherwise, specify an order of "desc" for
+     * descending or "asc" for ascending sort order of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
+     *  The iteratees to sort by.
+     * @param {string[]} [orders] The sort orders of `iteratees`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 34 },
+     *   { 'user': 'fred',   'age': 40 },
+     *   { 'user': 'barney', 'age': 36 }
+     * ];
+     *
+     * // Sort by `user` in ascending order and by `age` in descending order.
+     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
+     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+     */
+    function orderBy(collection, iteratees, orders, guard) {
+      if (collection == null) {
+        return [];
+      }
+      if (!isArray(iteratees)) {
+        iteratees = iteratees == null ? [] : [iteratees];
+      }
+      orders = guard ? undefined : orders;
+      if (!isArray(orders)) {
+        orders = orders == null ? [] : [orders];
+      }
+      return baseOrderBy(collection, iteratees, orders);
+    }
+
+    /**
+     * Creates an array of elements split into two groups, the first of which
+     * contains elements `predicate` returns truthy for, the second of which
+     * contains elements `predicate` returns falsey for. The predicate is
+     * invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the array of grouped elements.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': false },
+     *   { 'user': 'fred',    'age': 40, 'active': true },
+     *   { 'user': 'pebbles', 'age': 1,  'active': false }
+     * ];
+     *
+     * _.partition(users, function(o) { return o.active; });
+     * // => objects for [['fred'], ['barney', 'pebbles']]
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.partition(users, { 'age': 1, 'active': false });
+     * // => objects for [['pebbles'], ['barney', 'fred']]
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.partition(users, ['active', false]);
+     * // => objects for [['barney', 'pebbles'], ['fred']]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.partition(users, 'active');
+     * // => objects for [['fred'], ['barney', 'pebbles']]
+     */
+    var partition = createAggregator(function(result, value, key) {
+      result[key ? 0 : 1].push(value);
+    }, function() { return [[], []]; });
+
+    /**
+     * Reduces `collection` to a value which is the accumulated result of running
+     * each element in `collection` thru `iteratee`, where each successive
+     * invocation is supplied the return value of the previous. If `accumulator`
+     * is not given, the first element of `collection` is used as the initial
+     * value. The iteratee is invoked with four arguments:
+     * (accumulator, value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.reduce`, `_.reduceRight`, and `_.transform`.
+     *
+     * The guarded methods are:
+     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+     * and `sortBy`
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @returns {*} Returns the accumulated value.
+     * @see _.reduceRight
+     * @example
+     *
+     * _.reduce([1, 2], function(sum, n) {
+     *   return sum + n;
+     * }, 0);
+     * // => 3
+     *
+     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+     *   (result[value] || (result[value] = [])).push(key);
+     *   return result;
+     * }, {});
+     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
+     */
+    function reduce(collection, iteratee, accumulator) {
+      var func = isArray(collection) ? arrayReduce : baseReduce,
+          initAccum = arguments.length < 3;
+
+      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
+    }
+
+    /**
+     * This method is like `_.reduce` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @returns {*} Returns the accumulated value.
+     * @see _.reduce
+     * @example
+     *
+     * var array = [[0, 1], [2, 3], [4, 5]];
+     *
+     * _.reduceRight(array, function(flattened, other) {
+     *   return flattened.concat(other);
+     * }, []);
+     * // => [4, 5, 2, 3, 0, 1]
+     */
+    function reduceRight(collection, iteratee, accumulator) {
+      var func = isArray(collection) ? arrayReduceRight : baseReduce,
+          initAccum = arguments.length < 3;
+
+      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
+    }
+
+    /**
+     * The opposite of `_.filter`; this method returns the elements of `collection`
+     * that `predicate` does **not** return truthy for.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     * @see _.filter
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': true }
+     * ];
+     *
+     * _.reject(users, function(o) { return !o.active; });
+     * // => objects for ['fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.reject(users, { 'age': 40, 'active': true });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.reject(users, ['active', false]);
+     * // => objects for ['fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.reject(users, 'active');
+     * // => objects for ['barney']
+     */
+    function reject(collection, predicate) {
+      var func = isArray(collection) ? arrayFilter : baseFilter;
+      return func(collection, negate(getIteratee(predicate, 3)));
+    }
+
+    /**
+     * Gets a random element from `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to sample.
+     * @returns {*} Returns the random element.
+     * @example
+     *
+     * _.sample([1, 2, 3, 4]);
+     * // => 2
+     */
+    function sample(collection) {
+      var func = isArray(collection) ? arraySample : baseSample;
+      return func(collection);
+    }
+
+    /**
+     * Gets `n` random elements at unique keys from `collection` up to the
+     * size of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to sample.
+     * @param {number} [n=1] The number of elements to sample.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the random elements.
+     * @example
+     *
+     * _.sampleSize([1, 2, 3], 2);
+     * // => [3, 1]
+     *
+     * _.sampleSize([1, 2, 3], 4);
+     * // => [2, 3, 1]
+     */
+    function sampleSize(collection, n, guard) {
+      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
+        n = 1;
+      } else {
+        n = toInteger(n);
+      }
+      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
+      return func(collection, n);
+    }
+
+    /**
+     * Creates an array of shuffled values, using a version of the
+     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     * @example
+     *
+     * _.shuffle([1, 2, 3, 4]);
+     * // => [4, 1, 3, 2]
+     */
+    function shuffle(collection) {
+      var func = isArray(collection) ? arrayShuffle : baseShuffle;
+      return func(collection);
+    }
+
+    /**
+     * Gets the size of `collection` by returning its length for array-like
+     * values or the number of own enumerable string keyed properties for objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @returns {number} Returns the collection size.
+     * @example
+     *
+     * _.size([1, 2, 3]);
+     * // => 3
+     *
+     * _.size({ 'a': 1, 'b': 2 });
+     * // => 2
+     *
+     * _.size('pebbles');
+     * // => 7
+     */
+    function size(collection) {
+      if (collection == null) {
+        return 0;
+      }
+      if (isArrayLike(collection)) {
+        return isString(collection) ? stringSize(collection) : collection.length;
+      }
+      var tag = getTag(collection);
+      if (tag == mapTag || tag == setTag) {
+        return collection.size;
+      }
+      return baseKeys(collection).length;
+    }
+
+    /**
+     * Checks if `predicate` returns truthy for **any** element of `collection`.
+     * Iteration is stopped once `predicate` returns truthy. The predicate is
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.some([null, 0, 'yes', false], Boolean);
+     * // => true
+     *
+     * var users = [
+     *   { 'user': 'barney', 'active': true },
+     *   { 'user': 'fred',   'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.some(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.some(users, ['active', false]);
+     * // => true
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.some(users, 'active');
+     * // => true
+     */
+    function some(collection, predicate, guard) {
+      var func = isArray(collection) ? arraySome : baseSome;
+      if (guard && isIterateeCall(collection, predicate, guard)) {
+        predicate = undefined;
+      }
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Creates an array of elements, sorted in ascending order by the results of
+     * running each element in a collection thru each iteratee. This method
+     * performs a stable sort, that is, it preserves the original sort order of
+     * equal elements. The iteratees are invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+     *  The iteratees to sort by.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 30 },
+     *   { 'user': 'barney', 'age': 34 }
+     * ];
+     *
+     * _.sortBy(users, [function(o) { return o.user; }]);
+     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
+     *
+     * _.sortBy(users, ['user', 'age']);
+     * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
+     */
+    var sortBy = baseRest(function(collection, iteratees) {
+      if (collection == null) {
+        return [];
+      }
+      var length = iteratees.length;
+      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+        iteratees = [];
+      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+        iteratees = [iteratees[0]];
+      }
+      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+    });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Gets the timestamp of the number of milliseconds that have elapsed since
+     * the Unix epoch (1 January 1970 00:00:00 UTC).
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Date
+     * @returns {number} Returns the timestamp.
+     * @example
+     *
+     * _.defer(function(stamp) {
+     *   console.log(_.now() - stamp);
+     * }, _.now());
+     * // => Logs the number of milliseconds it took for the deferred invocation.
+     */
+    var now = ctxNow || function() {
+      return root.Date.now();
+    };
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * The opposite of `_.before`; this method creates a function that invokes
+     * `func` once it's called `n` or more times.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {number} n The number of calls before `func` is invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var saves = ['profile', 'settings'];
+     *
+     * var done = _.after(saves.length, function() {
+     *   console.log('done saving!');
+     * });
+     *
+     * _.forEach(saves, function(type) {
+     *   asyncSave({ 'type': type, 'complete': done });
+     * });
+     * // => Logs 'done saving!' after the two async saves have completed.
+     */
+    function after(n, func) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      n = toInteger(n);
+      return function() {
+        if (--n < 1) {
+          return func.apply(this, arguments);
+        }
+      };
+    }
+
+    /**
+     * Creates a function that invokes `func`, with up to `n` arguments,
+     * ignoring any additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @param {number} [n=func.length] The arity cap.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new capped function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
+     * // => [6, 8, 10]
+     */
+    function ary(func, n, guard) {
+      n = guard ? undefined : n;
+      n = (func && n == null) ? func.length : n;
+      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
+    }
+
+    /**
+     * Creates a function that invokes `func`, with the `this` binding and arguments
+     * of the created function, while it's called less than `n` times. Subsequent
+     * calls to the created function return the result of the last `func` invocation.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {number} n The number of calls at which `func` is no longer invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * jQuery(element).on('click', _.before(5, addContactToList));
+     * // => Allows adding up to 4 contacts to the list.
+     */
+    function before(n, func) {
+      var result;
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      n = toInteger(n);
+      return function() {
+        if (--n > 0) {
+          result = func.apply(this, arguments);
+        }
+        if (n <= 1) {
+          func = undefined;
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of `thisArg`
+     * and `partials` prepended to the arguments it receives.
+     *
+     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
+     * property of bound functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to bind.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * function greet(greeting, punctuation) {
+     *   return greeting + ' ' + this.user + punctuation;
+     * }
+     *
+     * var object = { 'user': 'fred' };
+     *
+     * var bound = _.bind(greet, object, 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * // Bound with placeholders.
+     * var bound = _.bind(greet, object, _, '!');
+     * bound('hi');
+     * // => 'hi fred!'
+     */
+    var bind = baseRest(function(func, thisArg, partials) {
+      var bitmask = WRAP_BIND_FLAG;
+      if (partials.length) {
+        var holders = replaceHolders(partials, getHolder(bind));
+        bitmask |= WRAP_PARTIAL_FLAG;
+      }
+      return createWrap(func, bitmask, thisArg, partials, holders);
+    });
+
+    /**
+     * Creates a function that invokes the method at `object[key]` with `partials`
+     * prepended to the arguments it receives.
+     *
+     * This method differs from `_.bind` by allowing bound functions to reference
+     * methods that may be redefined or don't yet exist. See
+     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
+     * for more details.
+     *
+     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.10.0
+     * @category Function
+     * @param {Object} object The object to invoke the method on.
+     * @param {string} key The key of the method.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * var object = {
+     *   'user': 'fred',
+     *   'greet': function(greeting, punctuation) {
+     *     return greeting + ' ' + this.user + punctuation;
+     *   }
+     * };
+     *
+     * var bound = _.bindKey(object, 'greet', 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * object.greet = function(greeting, punctuation) {
+     *   return greeting + 'ya ' + this.user + punctuation;
+     * };
+     *
+     * bound('!');
+     * // => 'hiya fred!'
+     *
+     * // Bound with placeholders.
+     * var bound = _.bindKey(object, 'greet', _, '!');
+     * bound('hi');
+     * // => 'hiya fred!'
+     */
+    var bindKey = baseRest(function(object, key, partials) {
+      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
+      if (partials.length) {
+        var holders = replaceHolders(partials, getHolder(bindKey));
+        bitmask |= WRAP_PARTIAL_FLAG;
+      }
+      return createWrap(key, bitmask, object, partials, holders);
+    });
+
+    /**
+     * Creates a function that accepts arguments of `func` and either invokes
+     * `func` returning its result, if at least `arity` number of arguments have
+     * been provided, or returns a function that accepts the remaining `func`
+     * arguments, and so on. The arity of `func` may be specified if `func.length`
+     * is not sufficient.
+     *
+     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curry(abc);
+     *
+     * curried(1)(2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // Curried with placeholders.
+     * curried(1)(_, 3)(2);
+     * // => [1, 2, 3]
+     */
+    function curry(func, arity, guard) {
+      arity = guard ? undefined : arity;
+      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      result.placeholder = curry.placeholder;
+      return result;
+    }
+
+    /**
+     * This method is like `_.curry` except that arguments are applied to `func`
+     * in the manner of `_.partialRight` instead of `_.partial`.
+     *
+     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curryRight(abc);
+     *
+     * curried(3)(2)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(2, 3)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // Curried with placeholders.
+     * curried(3)(1, _)(2);
+     * // => [1, 2, 3]
+     */
+    function curryRight(func, arity, guard) {
+      arity = guard ? undefined : arity;
+      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      result.placeholder = curryRight.placeholder;
+      return result;
+    }
+
+    /**
+     * Creates a debounced function that delays invoking `func` until after `wait`
+     * milliseconds have elapsed since the last time the debounced function was
+     * invoked. The debounced function comes with a `cancel` method to cancel
+     * delayed `func` invocations and a `flush` method to immediately invoke them.
+     * Provide `options` to indicate whether `func` should be invoked on the
+     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
+     * with the last arguments provided to the debounced function. Subsequent
+     * calls to the debounced function return the result of the last `func`
+     * invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+     * invoked on the trailing edge of the timeout only if the debounced function
+     * is invoked more than once during the `wait` timeout.
+     *
+     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+     *
+     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+     * for details over the differences between `_.debounce` and `_.throttle`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to debounce.
+     * @param {number} [wait=0] The number of milliseconds to delay.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.leading=false]
+     *  Specify invoking on the leading edge of the timeout.
+     * @param {number} [options.maxWait]
+     *  The maximum time `func` is allowed to be delayed before it's invoked.
+     * @param {boolean} [options.trailing=true]
+     *  Specify invoking on the trailing edge of the timeout.
+     * @returns {Function} Returns the new debounced function.
+     * @example
+     *
+     * // Avoid costly calculations while the window size is in flux.
+     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
+     *
+     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
+     * jQuery(element).on('click', _.debounce(sendMail, 300, {
+     *   'leading': true,
+     *   'trailing': false
+     * }));
+     *
+     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
+     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
+     * var source = new EventSource('/stream');
+     * jQuery(source).on('message', debounced);
+     *
+     * // Cancel the trailing debounced invocation.
+     * jQuery(window).on('popstate', debounced.cancel);
+     */
+    function debounce(func, wait, options) {
+      var lastArgs,
+          lastThis,
+          maxWait,
+          result,
+          timerId,
+          lastCallTime,
+          lastInvokeTime = 0,
+          leading = false,
+          maxing = false,
+          trailing = true;
+
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      wait = toNumber(wait) || 0;
+      if (isObject(options)) {
+        leading = !!options.leading;
+        maxing = 'maxWait' in options;
+        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
+        trailing = 'trailing' in options ? !!options.trailing : trailing;
+      }
+
+      function invokeFunc(time) {
+        var args = lastArgs,
+            thisArg = lastThis;
+
+        lastArgs = lastThis = undefined;
+        lastInvokeTime = time;
+        result = func.apply(thisArg, args);
+        return result;
+      }
+
+      function leadingEdge(time) {
+        // Reset any `maxWait` timer.
+        lastInvokeTime = time;
+        // Start the timer for the trailing edge.
+        timerId = setTimeout(timerExpired, wait);
+        // Invoke the leading edge.
+        return leading ? invokeFunc(time) : result;
+      }
+
+      function remainingWait(time) {
+        var timeSinceLastCall = time - lastCallTime,
+            timeSinceLastInvoke = time - lastInvokeTime,
+            timeWaiting = wait - timeSinceLastCall;
+
+        return maxing
+          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
+          : timeWaiting;
+      }
+
+      function shouldInvoke(time) {
+        var timeSinceLastCall = time - lastCallTime,
+            timeSinceLastInvoke = time - lastInvokeTime;
+
+        // Either this is the first call, activity has stopped and we're at the
+        // trailing edge, the system time has gone backwards and we're treating
+        // it as the trailing edge, or we've hit the `maxWait` limit.
+        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
+          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
+      }
+
+      function timerExpired() {
+        var time = now();
+        if (shouldInvoke(time)) {
+          return trailingEdge(time);
+        }
+        // Restart the timer.
+        timerId = setTimeout(timerExpired, remainingWait(time));
+      }
+
+      function trailingEdge(time) {
+        timerId = undefined;
+
+        // Only invoke if we have `lastArgs` which means `func` has been
+        // debounced at least once.
+        if (trailing && lastArgs) {
+          return invokeFunc(time);
+        }
+        lastArgs = lastThis = undefined;
+        return result;
+      }
+
+      function cancel() {
+        if (timerId !== undefined) {
+          clearTimeout(timerId);
+        }
+        lastInvokeTime = 0;
+        lastArgs = lastCallTime = lastThis = timerId = undefined;
+      }
+
+      function flush() {
+        return timerId === undefined ? result : trailingEdge(now());
+      }
+
+      function debounced() {
+        var time = now(),
+            isInvoking = shouldInvoke(time);
+
+        lastArgs = arguments;
+        lastThis = this;
+        lastCallTime = time;
+
+        if (isInvoking) {
+          if (timerId === undefined) {
+            return leadingEdge(lastCallTime);
+          }
+          if (maxing) {
+            // Handle invocations in a tight loop.
+            clearTimeout(timerId);
+            timerId = setTimeout(timerExpired, wait);
+            return invokeFunc(lastCallTime);
+          }
+        }
+        if (timerId === undefined) {
+          timerId = setTimeout(timerExpired, wait);
+        }
+        return result;
+      }
+      debounced.cancel = cancel;
+      debounced.flush = flush;
+      return debounced;
+    }
+
+    /**
+     * Defers invoking the `func` until the current call stack has cleared. Any
+     * additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to defer.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.defer(function(text) {
+     *   console.log(text);
+     * }, 'deferred');
+     * // => Logs 'deferred' after one millisecond.
+     */
+    var defer = baseRest(function(func, args) {
+      return baseDelay(func, 1, args);
+    });
+
+    /**
+     * Invokes `func` after `wait` milliseconds. Any additional arguments are
+     * provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.delay(function(text) {
+     *   console.log(text);
+     * }, 1000, 'later');
+     * // => Logs 'later' after one second.
+     */
+    var delay = baseRest(function(func, wait, args) {
+      return baseDelay(func, toNumber(wait) || 0, args);
+    });
+
+    /**
+     * Creates a function that invokes `func` with arguments reversed.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to flip arguments for.
+     * @returns {Function} Returns the new flipped function.
+     * @example
+     *
+     * var flipped = _.flip(function() {
+     *   return _.toArray(arguments);
+     * });
+     *
+     * flipped('a', 'b', 'c', 'd');
+     * // => ['d', 'c', 'b', 'a']
+     */
+    function flip(func) {
+      return createWrap(func, WRAP_FLIP_FLAG);
+    }
+
+    /**
+     * Creates a function that memoizes the result of `func`. If `resolver` is
+     * provided, it determines the cache key for storing the result based on the
+     * arguments provided to the memoized function. By default, the first argument
+     * provided to the memoized function is used as the map cache key. The `func`
+     * is invoked with the `this` binding of the memoized function.
+     *
+     * **Note:** The cache is exposed as the `cache` property on the memoized
+     * function. Its creation may be customized by replacing the `_.memoize.Cache`
+     * constructor with one whose instances implement the
+     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to have its output memoized.
+     * @param {Function} [resolver] The function to resolve the cache key.
+     * @returns {Function} Returns the new memoized function.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     * var other = { 'c': 3, 'd': 4 };
+     *
+     * var values = _.memoize(_.values);
+     * values(object);
+     * // => [1, 2]
+     *
+     * values(other);
+     * // => [3, 4]
+     *
+     * object.a = 2;
+     * values(object);
+     * // => [1, 2]
+     *
+     * // Modify the result cache.
+     * values.cache.set(object, ['a', 'b']);
+     * values(object);
+     * // => ['a', 'b']
+     *
+     * // Replace `_.memoize.Cache`.
+     * _.memoize.Cache = WeakMap;
+     */
+    function memoize(func, resolver) {
+      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      var memoized = function() {
+        var args = arguments,
+            key = resolver ? resolver.apply(this, args) : args[0],
+            cache = memoized.cache;
+
+        if (cache.has(key)) {
+          return cache.get(key);
+        }
+        var result = func.apply(this, args);
+        memoized.cache = cache.set(key, result) || cache;
+        return result;
+      };
+      memoized.cache = new (memoize.Cache || MapCache);
+      return memoized;
+    }
+
+    // Expose `MapCache`.
+    memoize.Cache = MapCache;
+
+    /**
+     * Creates a function that negates the result of the predicate `func`. The
+     * `func` predicate is invoked with the `this` binding and arguments of the
+     * created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} predicate The predicate to negate.
+     * @returns {Function} Returns the new negated function.
+     * @example
+     *
+     * function isEven(n) {
+     *   return n % 2 == 0;
+     * }
+     *
+     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+     * // => [1, 3, 5]
+     */
+    function negate(predicate) {
+      if (typeof predicate != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return function() {
+        var args = arguments;
+        switch (args.length) {
+          case 0: return !predicate.call(this);
+          case 1: return !predicate.call(this, args[0]);
+          case 2: return !predicate.call(this, args[0], args[1]);
+          case 3: return !predicate.call(this, args[0], args[1], args[2]);
+        }
+        return !predicate.apply(this, args);
+      };
+    }
+
+    /**
+     * Creates a function that is restricted to invoking `func` once. Repeat calls
+     * to the function return the value of the first invocation. The `func` is
+     * invoked with the `this` binding and arguments of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var initialize = _.once(createApplication);
+     * initialize();
+     * initialize();
+     * // => `createApplication` is invoked once
+     */
+    function once(func) {
+      return before(2, func);
+    }
+
+    /**
+     * Creates a function that invokes `func` with its arguments transformed.
+     *
+     * @static
+     * @since 4.0.0
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to wrap.
+     * @param {...(Function|Function[])} [transforms=[_.identity]]
+     *  The argument transforms.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function doubled(n) {
+     *   return n * 2;
+     * }
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var func = _.overArgs(function(x, y) {
+     *   return [x, y];
+     * }, [square, doubled]);
+     *
+     * func(9, 3);
+     * // => [81, 6]
+     *
+     * func(10, 5);
+     * // => [100, 10]
+     */
+    var overArgs = castRest(function(func, transforms) {
+      transforms = (transforms.length == 1 && isArray(transforms[0]))
+        ? arrayMap(transforms[0], baseUnary(getIteratee()))
+        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
+
+      var funcsLength = transforms.length;
+      return baseRest(function(args) {
+        var index = -1,
+            length = nativeMin(args.length, funcsLength);
+
+        while (++index < length) {
+          args[index] = transforms[index].call(this, args[index]);
+        }
+        return apply(func, this, args);
+      });
+    });
+
+    /**
+     * Creates a function that invokes `func` with `partials` prepended to the
+     * arguments it receives. This method is like `_.bind` except it does **not**
+     * alter the `this` binding.
+     *
+     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.2.0
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * function greet(greeting, name) {
+     *   return greeting + ' ' + name;
+     * }
+     *
+     * var sayHelloTo = _.partial(greet, 'hello');
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     *
+     * // Partially applied with placeholders.
+     * var greetFred = _.partial(greet, _, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     */
+    var partial = baseRest(function(func, partials) {
+      var holders = replaceHolders(partials, getHolder(partial));
+      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
+    });
+
+    /**
+     * This method is like `_.partial` except that partially applied arguments
+     * are appended to the arguments it receives.
+     *
+     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * function greet(greeting, name) {
+     *   return greeting + ' ' + name;
+     * }
+     *
+     * var greetFred = _.partialRight(greet, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     *
+     * // Partially applied with placeholders.
+     * var sayHelloTo = _.partialRight(greet, 'hello', _);
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     */
+    var partialRight = baseRest(function(func, partials) {
+      var holders = replaceHolders(partials, getHolder(partialRight));
+      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+    });
+
+    /**
+     * Creates a function that invokes `func` with arguments arranged according
+     * to the specified `indexes` where the argument value at the first index is
+     * provided as the first argument, the argument value at the second index is
+     * provided as the second argument, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to rearrange arguments for.
+     * @param {...(number|number[])} indexes The arranged argument indexes.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var rearged = _.rearg(function(a, b, c) {
+     *   return [a, b, c];
+     * }, [2, 0, 1]);
+     *
+     * rearged('b', 'c', 'a')
+     * // => ['a', 'b', 'c']
+     */
+    var rearg = flatRest(function(func, indexes) {
+      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
+    });
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * created function and arguments from `start` and beyond provided as
+     * an array.
+     *
+     * **Note:** This method is based on the
+     * [rest parameter](https://mdn.io/rest_parameters).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.rest(function(what, names) {
+     *   return what + ' ' + _.initial(names).join(', ') +
+     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
+     * });
+     *
+     * say('hello', 'fred', 'barney', 'pebbles');
+     * // => 'hello fred, barney, & pebbles'
+     */
+    function rest(func, start) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      start = start === undefined ? start : toInteger(start);
+      return baseRest(func, start);
+    }
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * create function and an array of arguments much like
+     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
+     *
+     * **Note:** This method is based on the
+     * [spread operator](https://mdn.io/spread_operator).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Function
+     * @param {Function} func The function to spread arguments over.
+     * @param {number} [start=0] The start position of the spread.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.spread(function(who, what) {
+     *   return who + ' says ' + what;
+     * });
+     *
+     * say(['fred', 'hello']);
+     * // => 'fred says hello'
+     *
+     * var numbers = Promise.all([
+     *   Promise.resolve(40),
+     *   Promise.resolve(36)
+     * ]);
+     *
+     * numbers.then(_.spread(function(x, y) {
+     *   return x + y;
+     * }));
+     * // => a Promise of 76
+     */
+    function spread(func, start) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      start = start == null ? 0 : nativeMax(toInteger(start), 0);
+      return baseRest(function(args) {
+        var array = args[start],
+            otherArgs = castSlice(args, 0, start);
+
+        if (array) {
+          arrayPush(otherArgs, array);
+        }
+        return apply(func, this, otherArgs);
+      });
+    }
+
+    /**
+     * Creates a throttled function that only invokes `func` at most once per
+     * every `wait` milliseconds. The throttled function comes with a `cancel`
+     * method to cancel delayed `func` invocations and a `flush` method to
+     * immediately invoke them. Provide `options` to indicate whether `func`
+     * should be invoked on the leading and/or trailing edge of the `wait`
+     * timeout. The `func` is invoked with the last arguments provided to the
+     * throttled function. Subsequent calls to the throttled function return the
+     * result of the last `func` invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+     * invoked on the trailing edge of the timeout only if the throttled function
+     * is invoked more than once during the `wait` timeout.
+     *
+     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+     *
+     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+     * for details over the differences between `_.throttle` and `_.debounce`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to throttle.
+     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.leading=true]
+     *  Specify invoking on the leading edge of the timeout.
+     * @param {boolean} [options.trailing=true]
+     *  Specify invoking on the trailing edge of the timeout.
+     * @returns {Function} Returns the new throttled function.
+     * @example
+     *
+     * // Avoid excessively updating the position while scrolling.
+     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
+     *
+     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
+     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
+     * jQuery(element).on('click', throttled);
+     *
+     * // Cancel the trailing throttled invocation.
+     * jQuery(window).on('popstate', throttled.cancel);
+     */
+    function throttle(func, wait, options) {
+      var leading = true,
+          trailing = true;
+
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      if (isObject(options)) {
+        leading = 'leading' in options ? !!options.leading : leading;
+        trailing = 'trailing' in options ? !!options.trailing : trailing;
+      }
+      return debounce(func, wait, {
+        'leading': leading,
+        'maxWait': wait,
+        'trailing': trailing
+      });
+    }
+
+    /**
+     * Creates a function that accepts up to one argument, ignoring any
+     * additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @returns {Function} Returns the new capped function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.unary(parseInt));
+     * // => [6, 8, 10]
+     */
+    function unary(func) {
+      return ary(func, 1);
+    }
+
+    /**
+     * Creates a function that provides `value` to `wrapper` as its first
+     * argument. Any additional arguments provided to the function are appended
+     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
+     * binding of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {*} value The value to wrap.
+     * @param {Function} [wrapper=identity] The wrapper function.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var p = _.wrap(_.escape, function(func, text) {
+     *   return '<p>' + func(text) + '</p>';
+     * });
+     *
+     * p('fred, barney, & pebbles');
+     * // => '<p>fred, barney, &amp; pebbles</p>'
+     */
+    function wrap(value, wrapper) {
+      return partial(castFunction(wrapper), value);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Casts `value` as an array if it's not one.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.4.0
+     * @category Lang
+     * @param {*} value The value to inspect.
+     * @returns {Array} Returns the cast array.
+     * @example
+     *
+     * _.castArray(1);
+     * // => [1]
+     *
+     * _.castArray({ 'a': 1 });
+     * // => [{ 'a': 1 }]
+     *
+     * _.castArray('abc');
+     * // => ['abc']
+     *
+     * _.castArray(null);
+     * // => [null]
+     *
+     * _.castArray(undefined);
+     * // => [undefined]
+     *
+     * _.castArray();
+     * // => []
+     *
+     * var array = [1, 2, 3];
+     * console.log(_.castArray(array) === array);
+     * // => true
+     */
+    function castArray() {
+      if (!arguments.length) {
+        return [];
+      }
+      var value = arguments[0];
+      return isArray(value) ? value : [value];
+    }
+
+    /**
+     * Creates a shallow clone of `value`.
+     *
+     * **Note:** This method is loosely based on the
+     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
+     * and supports cloning arrays, array buffers, booleans, date objects, maps,
+     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
+     * arrays. The own enumerable properties of `arguments` objects are cloned
+     * as plain objects. An empty object is returned for uncloneable values such
+     * as error objects, functions, DOM nodes, and WeakMaps.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @returns {*} Returns the cloned value.
+     * @see _.cloneDeep
+     * @example
+     *
+     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+     *
+     * var shallow = _.clone(objects);
+     * console.log(shallow[0] === objects[0]);
+     * // => true
+     */
+    function clone(value) {
+      return baseClone(value, CLONE_SYMBOLS_FLAG);
+    }
+
+    /**
+     * This method is like `_.clone` except that it accepts `customizer` which
+     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
+     * cloning is handled by the method instead. The `customizer` is invoked with
+     * up to four arguments; (value [, index|key, object, stack]).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @param {Function} [customizer] The function to customize cloning.
+     * @returns {*} Returns the cloned value.
+     * @see _.cloneDeepWith
+     * @example
+     *
+     * function customizer(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(false);
+     *   }
+     * }
+     *
+     * var el = _.cloneWith(document.body, customizer);
+     *
+     * console.log(el === document.body);
+     * // => false
+     * console.log(el.nodeName);
+     * // => 'BODY'
+     * console.log(el.childNodes.length);
+     * // => 0
+     */
+    function cloneWith(value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
+    }
+
+    /**
+     * This method is like `_.clone` except that it recursively clones `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Lang
+     * @param {*} value The value to recursively clone.
+     * @returns {*} Returns the deep cloned value.
+     * @see _.clone
+     * @example
+     *
+     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+     *
+     * var deep = _.cloneDeep(objects);
+     * console.log(deep[0] === objects[0]);
+     * // => false
+     */
+    function cloneDeep(value) {
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
+    }
+
+    /**
+     * This method is like `_.cloneWith` except that it recursively clones `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to recursively clone.
+     * @param {Function} [customizer] The function to customize cloning.
+     * @returns {*} Returns the deep cloned value.
+     * @see _.cloneWith
+     * @example
+     *
+     * function customizer(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(true);
+     *   }
+     * }
+     *
+     * var el = _.cloneDeepWith(document.body, customizer);
+     *
+     * console.log(el === document.body);
+     * // => false
+     * console.log(el.nodeName);
+     * // => 'BODY'
+     * console.log(el.childNodes.length);
+     * // => 20
+     */
+    function cloneDeepWith(value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+    }
+
+    /**
+     * Checks if `object` conforms to `source` by invoking the predicate
+     * properties of `source` with the corresponding property values of `object`.
+     *
+     * **Note:** This method is equivalent to `_.conforms` when `source` is
+     * partially applied.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.14.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     *
+     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
+     * // => true
+     *
+     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
+     * // => false
+     */
+    function conformsTo(object, source) {
+      return source == null || baseConformsTo(object, source, keys(source));
+    }
+
+    /**
+     * Performs a
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * comparison between two values to determine if they are equivalent.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     * var other = { 'a': 1 };
+     *
+     * _.eq(object, object);
+     * // => true
+     *
+     * _.eq(object, other);
+     * // => false
+     *
+     * _.eq('a', 'a');
+     * // => true
+     *
+     * _.eq('a', Object('a'));
+     * // => false
+     *
+     * _.eq(NaN, NaN);
+     * // => true
+     */
+    function eq(value, other) {
+      return value === other || (value !== value && other !== other);
+    }
+
+    /**
+     * Checks if `value` is greater than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+     *  else `false`.
+     * @see _.lt
+     * @example
+     *
+     * _.gt(3, 1);
+     * // => true
+     *
+     * _.gt(3, 3);
+     * // => false
+     *
+     * _.gt(1, 3);
+     * // => false
+     */
+    var gt = createRelationalOperation(baseGt);
+
+    /**
+     * Checks if `value` is greater than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than or equal to
+     *  `other`, else `false`.
+     * @see _.lte
+     * @example
+     *
+     * _.gte(3, 1);
+     * // => true
+     *
+     * _.gte(3, 3);
+     * // => true
+     *
+     * _.gte(1, 3);
+     * // => false
+     */
+    var gte = createRelationalOperation(function(value, other) {
+      return value >= other;
+    });
+
+    /**
+     * Checks if `value` is likely an `arguments` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     *  else `false`.
+     * @example
+     *
+     * _.isArguments(function() { return arguments; }());
+     * // => true
+     *
+     * _.isArguments([1, 2, 3]);
+     * // => false
+     */
+    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+        !propertyIsEnumerable.call(value, 'callee');
+    };
+
+    /**
+     * Checks if `value` is classified as an `Array` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+     * @example
+     *
+     * _.isArray([1, 2, 3]);
+     * // => true
+     *
+     * _.isArray(document.body.children);
+     * // => false
+     *
+     * _.isArray('abc');
+     * // => false
+     *
+     * _.isArray(_.noop);
+     * // => false
+     */
+    var isArray = Array.isArray;
+
+    /**
+     * Checks if `value` is classified as an `ArrayBuffer` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+     * @example
+     *
+     * _.isArrayBuffer(new ArrayBuffer(2));
+     * // => true
+     *
+     * _.isArrayBuffer(new Array(2));
+     * // => false
+     */
+    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+
+    /**
+     * Checks if `value` is array-like. A value is considered array-like if it's
+     * not a function and has a `value.length` that's an integer greater than or
+     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+     * @example
+     *
+     * _.isArrayLike([1, 2, 3]);
+     * // => true
+     *
+     * _.isArrayLike(document.body.children);
+     * // => true
+     *
+     * _.isArrayLike('abc');
+     * // => true
+     *
+     * _.isArrayLike(_.noop);
+     * // => false
+     */
+    function isArrayLike(value) {
+      return value != null && isLength(value.length) && !isFunction(value);
+    }
+
+    /**
+     * This method is like `_.isArrayLike` except that it also checks if `value`
+     * is an object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array-like object,
+     *  else `false`.
+     * @example
+     *
+     * _.isArrayLikeObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isArrayLikeObject(document.body.children);
+     * // => true
+     *
+     * _.isArrayLikeObject('abc');
+     * // => false
+     *
+     * _.isArrayLikeObject(_.noop);
+     * // => false
+     */
+    function isArrayLikeObject(value) {
+      return isObjectLike(value) && isArrayLike(value);
+    }
+
+    /**
+     * Checks if `value` is classified as a boolean primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+     * @example
+     *
+     * _.isBoolean(false);
+     * // => true
+     *
+     * _.isBoolean(null);
+     * // => false
+     */
+    function isBoolean(value) {
+      return value === true || value === false ||
+        (isObjectLike(value) && baseGetTag(value) == boolTag);
+    }
+
+    /**
+     * Checks if `value` is a buffer.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+     * @example
+     *
+     * _.isBuffer(new Buffer(2));
+     * // => true
+     *
+     * _.isBuffer(new Uint8Array(2));
+     * // => false
+     */
+    var isBuffer = nativeIsBuffer || stubFalse;
+
+    /**
+     * Checks if `value` is classified as a `Date` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+     * @example
+     *
+     * _.isDate(new Date);
+     * // => true
+     *
+     * _.isDate('Mon April 23 2012');
+     * // => false
+     */
+    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+
+    /**
+     * Checks if `value` is likely a DOM element.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+     * @example
+     *
+     * _.isElement(document.body);
+     * // => true
+     *
+     * _.isElement('<body>');
+     * // => false
+     */
+    function isElement(value) {
+      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
+    }
+
+    /**
+     * Checks if `value` is an empty object, collection, map, or set.
+     *
+     * Objects are considered empty if they have no own enumerable string keyed
+     * properties.
+     *
+     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
+     * jQuery-like collections are considered empty if they have a `length` of `0`.
+     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+     * @example
+     *
+     * _.isEmpty(null);
+     * // => true
+     *
+     * _.isEmpty(true);
+     * // => true
+     *
+     * _.isEmpty(1);
+     * // => true
+     *
+     * _.isEmpty([1, 2, 3]);
+     * // => false
+     *
+     * _.isEmpty({ 'a': 1 });
+     * // => false
+     */
+    function isEmpty(value) {
+      if (value == null) {
+        return true;
+      }
+      if (isArrayLike(value) &&
+          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
+            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
+        return !value.length;
+      }
+      var tag = getTag(value);
+      if (tag == mapTag || tag == setTag) {
+        return !value.size;
+      }
+      if (isPrototype(value)) {
+        return !baseKeys(value).length;
+      }
+      for (var key in value) {
+        if (hasOwnProperty.call(value, key)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * Performs a deep comparison between two values to determine if they are
+     * equivalent.
+     *
+     * **Note:** This method supports comparing arrays, array buffers, booleans,
+     * date objects, error objects, maps, numbers, `Object` objects, regexes,
+     * sets, strings, symbols, and typed arrays. `Object` objects are compared
+     * by their own, not inherited, enumerable properties. Functions and DOM
+     * nodes are compared by strict equality, i.e. `===`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     * var other = { 'a': 1 };
+     *
+     * _.isEqual(object, other);
+     * // => true
+     *
+     * object === other;
+     * // => false
+     */
+    function isEqual(value, other) {
+      return baseIsEqual(value, other);
+    }
+
+    /**
+     * This method is like `_.isEqual` except that it accepts `customizer` which
+     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+     * are handled by the method instead. The `customizer` is invoked with up to
+     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * function isGreeting(value) {
+     *   return /^h(?:i|ello)$/.test(value);
+     * }
+     *
+     * function customizer(objValue, othValue) {
+     *   if (isGreeting(objValue) && isGreeting(othValue)) {
+     *     return true;
+     *   }
+     * }
+     *
+     * var array = ['hello', 'goodbye'];
+     * var other = ['hi', 'goodbye'];
+     *
+     * _.isEqualWith(array, other, customizer);
+     * // => true
+     */
+    function isEqualWith(value, other, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      var result = customizer ? customizer(value, other) : undefined;
+      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
+    }
+
+    /**
+     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
+     * `SyntaxError`, `TypeError`, or `URIError` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
+     * @example
+     *
+     * _.isError(new Error);
+     * // => true
+     *
+     * _.isError(Error);
+     * // => false
+     */
+    function isError(value) {
+      if (!isObjectLike(value)) {
+        return false;
+      }
+      var tag = baseGetTag(value);
+      return tag == errorTag || tag == domExcTag ||
+        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
+    }
+
+    /**
+     * Checks if `value` is a finite primitive number.
+     *
+     * **Note:** This method is based on
+     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+     * @example
+     *
+     * _.isFinite(3);
+     * // => true
+     *
+     * _.isFinite(Number.MIN_VALUE);
+     * // => true
+     *
+     * _.isFinite(Infinity);
+     * // => false
+     *
+     * _.isFinite('3');
+     * // => false
+     */
+    function isFinite(value) {
+      return typeof value == 'number' && nativeIsFinite(value);
+    }
+
+    /**
+     * Checks if `value` is classified as a `Function` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+     * @example
+     *
+     * _.isFunction(_);
+     * // => true
+     *
+     * _.isFunction(/abc/);
+     * // => false
+     */
+    function isFunction(value) {
+      if (!isObject(value)) {
+        return false;
+      }
+      // The use of `Object#toString` avoids issues with the `typeof` operator
+      // in Safari 9 which returns 'object' for typed arrays and other constructors.
+      var tag = baseGetTag(value);
+      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+    }
+
+    /**
+     * Checks if `value` is an integer.
+     *
+     * **Note:** This method is based on
+     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
+     * @example
+     *
+     * _.isInteger(3);
+     * // => true
+     *
+     * _.isInteger(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isInteger(Infinity);
+     * // => false
+     *
+     * _.isInteger('3');
+     * // => false
+     */
+    function isInteger(value) {
+      return typeof value == 'number' && value == toInteger(value);
+    }
+
+    /**
+     * Checks if `value` is a valid array-like length.
+     *
+     * **Note:** This method is loosely based on
+     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+     * @example
+     *
+     * _.isLength(3);
+     * // => true
+     *
+     * _.isLength(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isLength(Infinity);
+     * // => false
+     *
+     * _.isLength('3');
+     * // => false
+     */
+    function isLength(value) {
+      return typeof value == 'number' &&
+        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+    }
+
+    /**
+     * Checks if `value` is the
+     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+     * @example
+     *
+     * _.isObject({});
+     * // => true
+     *
+     * _.isObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isObject(_.noop);
+     * // => true
+     *
+     * _.isObject(null);
+     * // => false
+     */
+    function isObject(value) {
+      var type = typeof value;
+      return value != null && (type == 'object' || type == 'function');
+    }
+
+    /**
+     * Checks if `value` is object-like. A value is object-like if it's not `null`
+     * and has a `typeof` result of "object".
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+     * @example
+     *
+     * _.isObjectLike({});
+     * // => true
+     *
+     * _.isObjectLike([1, 2, 3]);
+     * // => true
+     *
+     * _.isObjectLike(_.noop);
+     * // => false
+     *
+     * _.isObjectLike(null);
+     * // => false
+     */
+    function isObjectLike(value) {
+      return value != null && typeof value == 'object';
+    }
+
+    /**
+     * Checks if `value` is classified as a `Map` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+     * @example
+     *
+     * _.isMap(new Map);
+     * // => true
+     *
+     * _.isMap(new WeakMap);
+     * // => false
+     */
+    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+
+    /**
+     * Performs a partial deep comparison between `object` and `source` to
+     * determine if `object` contains equivalent property values.
+     *
+     * **Note:** This method is equivalent to `_.matches` when `source` is
+     * partially applied.
+     *
+     * Partial comparisons will match empty array and empty object `source`
+     * values against any array or object value, respectively. See `_.isEqual`
+     * for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     *
+     * _.isMatch(object, { 'b': 2 });
+     * // => true
+     *
+     * _.isMatch(object, { 'b': 1 });
+     * // => false
+     */
+    function isMatch(object, source) {
+      return object === source || baseIsMatch(object, source, getMatchData(source));
+    }
+
+    /**
+     * This method is like `_.isMatch` except that it accepts `customizer` which
+     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+     * are handled by the method instead. The `customizer` is invoked with five
+     * arguments: (objValue, srcValue, index|key, object, source).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * function isGreeting(value) {
+     *   return /^h(?:i|ello)$/.test(value);
+     * }
+     *
+     * function customizer(objValue, srcValue) {
+     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
+     *     return true;
+     *   }
+     * }
+     *
+     * var object = { 'greeting': 'hello' };
+     * var source = { 'greeting': 'hi' };
+     *
+     * _.isMatchWith(object, source, customizer);
+     * // => true
+     */
+    function isMatchWith(object, source, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseIsMatch(object, source, getMatchData(source), customizer);
+    }
+
+    /**
+     * Checks if `value` is `NaN`.
+     *
+     * **Note:** This method is based on
+     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+     * `undefined` and other non-number values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+     * @example
+     *
+     * _.isNaN(NaN);
+     * // => true
+     *
+     * _.isNaN(new Number(NaN));
+     * // => true
+     *
+     * isNaN(undefined);
+     * // => true
+     *
+     * _.isNaN(undefined);
+     * // => false
+     */
+    function isNaN(value) {
+      // An `NaN` primitive is the only value that is not equal to itself.
+      // Perform the `toStringTag` check first to avoid errors with some
+      // ActiveX objects in IE.
+      return isNumber(value) && value != +value;
+    }
+
+    /**
+     * Checks if `value` is a pristine native function.
+     *
+     * **Note:** This method can't reliably detect native functions in the presence
+     * of the core-js package because core-js circumvents this kind of detection.
+     * Despite multiple requests, the core-js maintainer has made it clear: any
+     * attempt to fix the detection will be obstructed. As a result, we're left
+     * with little choice but to throw an error. Unfortunately, this also affects
+     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
+     * which rely on core-js.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function,
+     *  else `false`.
+     * @example
+     *
+     * _.isNative(Array.prototype.push);
+     * // => true
+     *
+     * _.isNative(_);
+     * // => false
+     */
+    function isNative(value) {
+      if (isMaskable(value)) {
+        throw new Error(CORE_ERROR_TEXT);
+      }
+      return baseIsNative(value);
+    }
+
+    /**
+     * Checks if `value` is `null`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+     * @example
+     *
+     * _.isNull(null);
+     * // => true
+     *
+     * _.isNull(void 0);
+     * // => false
+     */
+    function isNull(value) {
+      return value === null;
+    }
+
+    /**
+     * Checks if `value` is `null` or `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
+     * @example
+     *
+     * _.isNil(null);
+     * // => true
+     *
+     * _.isNil(void 0);
+     * // => true
+     *
+     * _.isNil(NaN);
+     * // => false
+     */
+    function isNil(value) {
+      return value == null;
+    }
+
+    /**
+     * Checks if `value` is classified as a `Number` primitive or object.
+     *
+     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+     * classified as numbers, use the `_.isFinite` method.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+     * @example
+     *
+     * _.isNumber(3);
+     * // => true
+     *
+     * _.isNumber(Number.MIN_VALUE);
+     * // => true
+     *
+     * _.isNumber(Infinity);
+     * // => true
+     *
+     * _.isNumber('3');
+     * // => false
+     */
+    function isNumber(value) {
+      return typeof value == 'number' ||
+        (isObjectLike(value) && baseGetTag(value) == numberTag);
+    }
+
+    /**
+     * Checks if `value` is a plain object, that is, an object created by the
+     * `Object` constructor or one with a `[[Prototype]]` of `null`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.8.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * _.isPlainObject(new Foo);
+     * // => false
+     *
+     * _.isPlainObject([1, 2, 3]);
+     * // => false
+     *
+     * _.isPlainObject({ 'x': 0, 'y': 0 });
+     * // => true
+     *
+     * _.isPlainObject(Object.create(null));
+     * // => true
+     */
+    function isPlainObject(value) {
+      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+        return false;
+      }
+      var proto = getPrototype(value);
+      if (proto === null) {
+        return true;
+      }
+      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
+      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+        funcToString.call(Ctor) == objectCtorString;
+    }
+
+    /**
+     * Checks if `value` is classified as a `RegExp` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+     * @example
+     *
+     * _.isRegExp(/abc/);
+     * // => true
+     *
+     * _.isRegExp('/abc/');
+     * // => false
+     */
+    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+
+    /**
+     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
+     * double precision number which isn't the result of a rounded unsafe integer.
+     *
+     * **Note:** This method is based on
+     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
+     * @example
+     *
+     * _.isSafeInteger(3);
+     * // => true
+     *
+     * _.isSafeInteger(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isSafeInteger(Infinity);
+     * // => false
+     *
+     * _.isSafeInteger('3');
+     * // => false
+     */
+    function isSafeInteger(value) {
+      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
+    }
+
+    /**
+     * Checks if `value` is classified as a `Set` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+     * @example
+     *
+     * _.isSet(new Set);
+     * // => true
+     *
+     * _.isSet(new WeakSet);
+     * // => false
+     */
+    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+
+    /**
+     * Checks if `value` is classified as a `String` primitive or object.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+     * @example
+     *
+     * _.isString('abc');
+     * // => true
+     *
+     * _.isString(1);
+     * // => false
+     */
+    function isString(value) {
+      return typeof value == 'string' ||
+        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+    }
+
+    /**
+     * Checks if `value` is classified as a `Symbol` primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+     * @example
+     *
+     * _.isSymbol(Symbol.iterator);
+     * // => true
+     *
+     * _.isSymbol('abc');
+     * // => false
+     */
+    function isSymbol(value) {
+      return typeof value == 'symbol' ||
+        (isObjectLike(value) && baseGetTag(value) == symbolTag);
+    }
+
+    /**
+     * Checks if `value` is classified as a typed array.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+     * @example
+     *
+     * _.isTypedArray(new Uint8Array);
+     * // => true
+     *
+     * _.isTypedArray([]);
+     * // => false
+     */
+    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+    /**
+     * Checks if `value` is `undefined`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+     * @example
+     *
+     * _.isUndefined(void 0);
+     * // => true
+     *
+     * _.isUndefined(null);
+     * // => false
+     */
+    function isUndefined(value) {
+      return value === undefined;
+    }
+
+    /**
+     * Checks if `value` is classified as a `WeakMap` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
+     * @example
+     *
+     * _.isWeakMap(new WeakMap);
+     * // => true
+     *
+     * _.isWeakMap(new Map);
+     * // => false
+     */
+    function isWeakMap(value) {
+      return isObjectLike(value) && getTag(value) == weakMapTag;
+    }
+
+    /**
+     * Checks if `value` is classified as a `WeakSet` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
+     * @example
+     *
+     * _.isWeakSet(new WeakSet);
+     * // => true
+     *
+     * _.isWeakSet(new Set);
+     * // => false
+     */
+    function isWeakSet(value) {
+      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
+    }
+
+    /**
+     * Checks if `value` is less than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`,
+     *  else `false`.
+     * @see _.gt
+     * @example
+     *
+     * _.lt(1, 3);
+     * // => true
+     *
+     * _.lt(3, 3);
+     * // => false
+     *
+     * _.lt(3, 1);
+     * // => false
+     */
+    var lt = createRelationalOperation(baseLt);
+
+    /**
+     * Checks if `value` is less than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than or equal to
+     *  `other`, else `false`.
+     * @see _.gte
+     * @example
+     *
+     * _.lte(1, 3);
+     * // => true
+     *
+     * _.lte(3, 3);
+     * // => true
+     *
+     * _.lte(3, 1);
+     * // => false
+     */
+    var lte = createRelationalOperation(function(value, other) {
+      return value <= other;
+    });
+
+    /**
+     * Converts `value` to an array.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the converted array.
+     * @example
+     *
+     * _.toArray({ 'a': 1, 'b': 2 });
+     * // => [1, 2]
+     *
+     * _.toArray('abc');
+     * // => ['a', 'b', 'c']
+     *
+     * _.toArray(1);
+     * // => []
+     *
+     * _.toArray(null);
+     * // => []
+     */
+    function toArray(value) {
+      if (!value) {
+        return [];
+      }
+      if (isArrayLike(value)) {
+        return isString(value) ? stringToArray(value) : copyArray(value);
+      }
+      if (symIterator && value[symIterator]) {
+        return iteratorToArray(value[symIterator]());
+      }
+      var tag = getTag(value),
+          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
+
+      return func(value);
+    }
+
+    /**
+     * Converts `value` to a finite number.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.12.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted number.
+     * @example
+     *
+     * _.toFinite(3.2);
+     * // => 3.2
+     *
+     * _.toFinite(Number.MIN_VALUE);
+     * // => 5e-324
+     *
+     * _.toFinite(Infinity);
+     * // => 1.7976931348623157e+308
+     *
+     * _.toFinite('3.2');
+     * // => 3.2
+     */
+    function toFinite(value) {
+      if (!value) {
+        return value === 0 ? value : 0;
+      }
+      value = toNumber(value);
+      if (value === INFINITY || value === -INFINITY) {
+        var sign = (value < 0 ? -1 : 1);
+        return sign * MAX_INTEGER;
+      }
+      return value === value ? value : 0;
+    }
+
+    /**
+     * Converts `value` to an integer.
+     *
+     * **Note:** This method is loosely based on
+     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toInteger(3.2);
+     * // => 3
+     *
+     * _.toInteger(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toInteger(Infinity);
+     * // => 1.7976931348623157e+308
+     *
+     * _.toInteger('3.2');
+     * // => 3
+     */
+    function toInteger(value) {
+      var result = toFinite(value),
+          remainder = result % 1;
+
+      return result === result ? (remainder ? result - remainder : result) : 0;
+    }
+
+    /**
+     * Converts `value` to an integer suitable for use as the length of an
+     * array-like object.
+     *
+     * **Note:** This method is based on
+     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toLength(3.2);
+     * // => 3
+     *
+     * _.toLength(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toLength(Infinity);
+     * // => 4294967295
+     *
+     * _.toLength('3.2');
+     * // => 3
+     */
+    function toLength(value) {
+      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+    }
+
+    /**
+     * Converts `value` to a number.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to process.
+     * @returns {number} Returns the number.
+     * @example
+     *
+     * _.toNumber(3.2);
+     * // => 3.2
+     *
+     * _.toNumber(Number.MIN_VALUE);
+     * // => 5e-324
+     *
+     * _.toNumber(Infinity);
+     * // => Infinity
+     *
+     * _.toNumber('3.2');
+     * // => 3.2
+     */
+    function toNumber(value) {
+      if (typeof value == 'number') {
+        return value;
+      }
+      if (isSymbol(value)) {
+        return NAN;
+      }
+      if (isObject(value)) {
+        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
+        value = isObject(other) ? (other + '') : other;
+      }
+      if (typeof value != 'string') {
+        return value === 0 ? value : +value;
+      }
+      value = baseTrim(value);
+      var isBinary = reIsBinary.test(value);
+      return (isBinary || reIsOctal.test(value))
+        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
+        : (reIsBadHex.test(value) ? NAN : +value);
+    }
+
+    /**
+     * Converts `value` to a plain object flattening inherited enumerable string
+     * keyed properties of `value` to own properties of the plain object.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Object} Returns the converted plain object.
+     * @example
+     *
+     * function Foo() {
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.assign({ 'a': 1 }, new Foo);
+     * // => { 'a': 1, 'b': 2 }
+     *
+     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+     * // => { 'a': 1, 'b': 2, 'c': 3 }
+     */
+    function toPlainObject(value) {
+      return copyObject(value, keysIn(value));
+    }
+
+    /**
+     * Converts `value` to a safe integer. A safe integer can be compared and
+     * represented correctly.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toSafeInteger(3.2);
+     * // => 3
+     *
+     * _.toSafeInteger(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toSafeInteger(Infinity);
+     * // => 9007199254740991
+     *
+     * _.toSafeInteger('3.2');
+     * // => 3
+     */
+    function toSafeInteger(value) {
+      return value
+        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+        : (value === 0 ? value : 0);
+    }
+
+    /**
+     * Converts `value` to a string. An empty string is returned for `null`
+     * and `undefined` values. The sign of `-0` is preserved.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.toString(null);
+     * // => ''
+     *
+     * _.toString(-0);
+     * // => '-0'
+     *
+     * _.toString([1, 2, 3]);
+     * // => '1,2,3'
+     */
+    function toString(value) {
+      return value == null ? '' : baseToString(value);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Assigns own enumerable string keyed properties of source objects to the
+     * destination object. Source objects are applied from left to right.
+     * Subsequent sources overwrite property assignments of previous sources.
+     *
+     * **Note:** This method mutates `object` and is loosely based on
+     * [`Object.assign`](https://mdn.io/Object/assign).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.10.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.assignIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * function Bar() {
+     *   this.c = 3;
+     * }
+     *
+     * Foo.prototype.b = 2;
+     * Bar.prototype.d = 4;
+     *
+     * _.assign({ 'a': 0 }, new Foo, new Bar);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    var assign = createAssigner(function(object, source) {
+      if (isPrototype(source) || isArrayLike(source)) {
+        copyObject(source, keys(source), object);
+        return;
+      }
+      for (var key in source) {
+        if (hasOwnProperty.call(source, key)) {
+          assignValue(object, key, source[key]);
+        }
+      }
+    });
+
+    /**
+     * This method is like `_.assign` except that it iterates over own and
+     * inherited source properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias extend
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.assign
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * function Bar() {
+     *   this.c = 3;
+     * }
+     *
+     * Foo.prototype.b = 2;
+     * Bar.prototype.d = 4;
+     *
+     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
+     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
+     */
+    var assignIn = createAssigner(function(object, source) {
+      copyObject(source, keysIn(source), object);
+    });
+
+    /**
+     * This method is like `_.assignIn` except that it accepts `customizer`
+     * which is invoked to produce the assigned values. If `customizer` returns
+     * `undefined`, assignment is handled by the method instead. The `customizer`
+     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias extendWith
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @see _.assignWith
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   return _.isUndefined(objValue) ? srcValue : objValue;
+     * }
+     *
+     * var defaults = _.partialRight(_.assignInWith, customizer);
+     *
+     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
+      copyObject(source, keysIn(source), object, customizer);
+    });
+
+    /**
+     * This method is like `_.assign` except that it accepts `customizer`
+     * which is invoked to produce the assigned values. If `customizer` returns
+     * `undefined`, assignment is handled by the method instead. The `customizer`
+     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @see _.assignInWith
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   return _.isUndefined(objValue) ? srcValue : objValue;
+     * }
+     *
+     * var defaults = _.partialRight(_.assignWith, customizer);
+     *
+     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
+      copyObject(source, keys(source), object, customizer);
+    });
+
+    /**
+     * Creates an array of values corresponding to `paths` of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Array} Returns the picked values.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+     *
+     * _.at(object, ['a[0].b.c', 'a[1]']);
+     * // => [3, 4]
+     */
+    var at = flatRest(baseAt);
+
+    /**
+     * Creates an object that inherits from the `prototype` object. If a
+     * `properties` object is given, its own enumerable string keyed properties
+     * are assigned to the created object.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.3.0
+     * @category Object
+     * @param {Object} prototype The object to inherit from.
+     * @param {Object} [properties] The properties to assign to the object.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * function Shape() {
+     *   this.x = 0;
+     *   this.y = 0;
+     * }
+     *
+     * function Circle() {
+     *   Shape.call(this);
+     * }
+     *
+     * Circle.prototype = _.create(Shape.prototype, {
+     *   'constructor': Circle
+     * });
+     *
+     * var circle = new Circle;
+     * circle instanceof Circle;
+     * // => true
+     *
+     * circle instanceof Shape;
+     * // => true
+     */
+    function create(prototype, properties) {
+      var result = baseCreate(prototype);
+      return properties == null ? result : baseAssign(result, properties);
+    }
+
+    /**
+     * Assigns own and inherited enumerable string keyed properties of source
+     * objects to the destination object for all destination properties that
+     * resolve to `undefined`. Source objects are applied from left to right.
+     * Once a property is set, additional values of the same property are ignored.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.defaultsDeep
+     * @example
+     *
+     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var defaults = baseRest(function(object, sources) {
+      object = Object(object);
+
+      var index = -1;
+      var length = sources.length;
+      var guard = length > 2 ? sources[2] : undefined;
+
+      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+        length = 1;
+      }
+
+      while (++index < length) {
+        var source = sources[index];
+        var props = keysIn(source);
+        var propsIndex = -1;
+        var propsLength = props.length;
+
+        while (++propsIndex < propsLength) {
+          var key = props[propsIndex];
+          var value = object[key];
+
+          if (value === undefined ||
+              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+            object[key] = source[key];
+          }
+        }
+      }
+
+      return object;
+    });
+
+    /**
+     * This method is like `_.defaults` except that it recursively assigns
+     * default properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.defaults
+     * @example
+     *
+     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
+     * // => { 'a': { 'b': 2, 'c': 3 } }
+     */
+    var defaultsDeep = baseRest(function(args) {
+      args.push(undefined, customDefaultsMerge);
+      return apply(mergeWith, undefined, args);
+    });
+
+    /**
+     * This method is like `_.find` except that it returns the key of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {string|undefined} Returns the key of the matched element,
+     *  else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findKey(users, function(o) { return o.age < 40; });
+     * // => 'barney' (iteration order is not guaranteed)
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findKey(users, { 'age': 1, 'active': true });
+     * // => 'pebbles'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findKey(users, ['active', false]);
+     * // => 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findKey(users, 'active');
+     * // => 'barney'
+     */
+    function findKey(object, predicate) {
+      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
+    }
+
+    /**
+     * This method is like `_.findKey` except that it iterates over elements of
+     * a collection in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {string|undefined} Returns the key of the matched element,
+     *  else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findLastKey(users, function(o) { return o.age < 40; });
+     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findLastKey(users, { 'age': 36, 'active': true });
+     * // => 'barney'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findLastKey(users, ['active', false]);
+     * // => 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findLastKey(users, 'active');
+     * // => 'pebbles'
+     */
+    function findLastKey(object, predicate) {
+      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
+    }
+
+    /**
+     * Iterates over own and inherited enumerable string keyed properties of an
+     * object and invokes `iteratee` for each property. The iteratee is invoked
+     * with three arguments: (value, key, object). Iteratee functions may exit
+     * iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forInRight
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forIn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
+     */
+    function forIn(object, iteratee) {
+      return object == null
+        ? object
+        : baseFor(object, getIteratee(iteratee, 3), keysIn);
+    }
+
+    /**
+     * This method is like `_.forIn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forInRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
+     */
+    function forInRight(object, iteratee) {
+      return object == null
+        ? object
+        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
+    }
+
+    /**
+     * Iterates over own enumerable string keyed properties of an object and
+     * invokes `iteratee` for each property. The iteratee is invoked with three
+     * arguments: (value, key, object). Iteratee functions may exit iteration
+     * early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forOwnRight
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+     */
+    function forOwn(object, iteratee) {
+      return object && baseForOwn(object, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.forOwn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forOwn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwnRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
+     */
+    function forOwnRight(object, iteratee) {
+      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * Creates an array of function property names from own enumerable properties
+     * of `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the function names.
+     * @see _.functionsIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = _.constant('a');
+     *   this.b = _.constant('b');
+     * }
+     *
+     * Foo.prototype.c = _.constant('c');
+     *
+     * _.functions(new Foo);
+     * // => ['a', 'b']
+     */
+    function functions(object) {
+      return object == null ? [] : baseFunctions(object, keys(object));
+    }
+
+    /**
+     * Creates an array of function property names from own and inherited
+     * enumerable properties of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the function names.
+     * @see _.functions
+     * @example
+     *
+     * function Foo() {
+     *   this.a = _.constant('a');
+     *   this.b = _.constant('b');
+     * }
+     *
+     * Foo.prototype.c = _.constant('c');
+     *
+     * _.functionsIn(new Foo);
+     * // => ['a', 'b', 'c']
+     */
+    function functionsIn(object) {
+      return object == null ? [] : baseFunctions(object, keysIn(object));
+    }
+
+    /**
+     * Gets the value at `path` of `object`. If the resolved value is
+     * `undefined`, the `defaultValue` is returned in its place.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.get(object, 'a[0].b.c');
+     * // => 3
+     *
+     * _.get(object, ['a', '0', 'b', 'c']);
+     * // => 3
+     *
+     * _.get(object, 'a.b.c', 'default');
+     * // => 'default'
+     */
+    function get(object, path, defaultValue) {
+      var result = object == null ? undefined : baseGet(object, path);
+      return result === undefined ? defaultValue : result;
+    }
+
+    /**
+     * Checks if `path` is a direct property of `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     * @example
+     *
+     * var object = { 'a': { 'b': 2 } };
+     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+     *
+     * _.has(object, 'a');
+     * // => true
+     *
+     * _.has(object, 'a.b');
+     * // => true
+     *
+     * _.has(object, ['a', 'b']);
+     * // => true
+     *
+     * _.has(other, 'a');
+     * // => false
+     */
+    function has(object, path) {
+      return object != null && hasPath(object, path, baseHas);
+    }
+
+    /**
+     * Checks if `path` is a direct or inherited property of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     * @example
+     *
+     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+     *
+     * _.hasIn(object, 'a');
+     * // => true
+     *
+     * _.hasIn(object, 'a.b');
+     * // => true
+     *
+     * _.hasIn(object, ['a', 'b']);
+     * // => true
+     *
+     * _.hasIn(object, 'b');
+     * // => false
+     */
+    function hasIn(object, path) {
+      return object != null && hasPath(object, path, baseHasIn);
+    }
+
+    /**
+     * Creates an object composed of the inverted keys and values of `object`.
+     * If `object` contains duplicate values, subsequent values overwrite
+     * property assignments of previous values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.7.0
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invert(object);
+     * // => { '1': 'c', '2': 'b' }
+     */
+    var invert = createInverter(function(result, value, key) {
+      if (value != null &&
+          typeof value.toString != 'function') {
+        value = nativeObjectToString.call(value);
+      }
+
+      result[value] = key;
+    }, constant(identity));
+
+    /**
+     * This method is like `_.invert` except that the inverted object is generated
+     * from the results of running each element of `object` thru `iteratee`. The
+     * corresponding inverted value of each inverted key is an array of keys
+     * responsible for generating the inverted value. The iteratee is invoked
+     * with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.1.0
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invertBy(object);
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     *
+     * _.invertBy(object, function(value) {
+     *   return 'group' + value;
+     * });
+     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
+     */
+    var invertBy = createInverter(function(result, value, key) {
+      if (value != null &&
+          typeof value.toString != 'function') {
+        value = nativeObjectToString.call(value);
+      }
+
+      if (hasOwnProperty.call(result, value)) {
+        result[value].push(key);
+      } else {
+        result[value] = [key];
+      }
+    }, getIteratee);
+
+    /**
+     * Invokes the method at `path` of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
+     *
+     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
+     * // => [2, 3]
+     */
+    var invoke = baseRest(baseInvoke);
+
+    /**
+     * Creates an array of the own enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects. See the
+     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+     * for more details.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keys(new Foo);
+     * // => ['a', 'b'] (iteration order is not guaranteed)
+     *
+     * _.keys('hi');
+     * // => ['0', '1']
+     */
+    function keys(object) {
+      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+    }
+
+    /**
+     * Creates an array of the own and inherited enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keysIn(new Foo);
+     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+     */
+    function keysIn(object) {
+      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+    }
+
+    /**
+     * The opposite of `_.mapValues`; this method creates an object with the
+     * same values as `object` and keys generated by running each own enumerable
+     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+     * with three arguments: (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns the new mapped object.
+     * @see _.mapValues
+     * @example
+     *
+     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   return key + value;
+     * });
+     * // => { 'a1': 1, 'b2': 2 }
+     */
+    function mapKeys(object, iteratee) {
+      var result = {};
+      iteratee = getIteratee(iteratee, 3);
+
+      baseForOwn(object, function(value, key, object) {
+        baseAssignValue(result, iteratee(value, key, object), value);
+      });
+      return result;
+    }
+
+    /**
+     * Creates an object with the same keys as `object` and values generated
+     * by running each own enumerable string keyed property of `object` thru
+     * `iteratee`. The iteratee is invoked with three arguments:
+     * (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns the new mapped object.
+     * @see _.mapKeys
+     * @example
+     *
+     * var users = {
+     *   'fred':    { 'user': 'fred',    'age': 40 },
+     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+     * };
+     *
+     * _.mapValues(users, function(o) { return o.age; });
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.mapValues(users, 'age');
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     */
+    function mapValues(object, iteratee) {
+      var result = {};
+      iteratee = getIteratee(iteratee, 3);
+
+      baseForOwn(object, function(value, key, object) {
+        baseAssignValue(result, key, iteratee(value, key, object));
+      });
+      return result;
+    }
+
+    /**
+     * This method is like `_.assign` except that it recursively merges own and
+     * inherited enumerable string keyed properties of source objects into the
+     * destination object. Source properties that resolve to `undefined` are
+     * skipped if a destination value exists. Array and plain object properties
+     * are merged recursively. Other objects and value types are overridden by
+     * assignment. Source objects are applied from left to right. Subsequent
+     * sources overwrite property assignments of previous sources.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {
+     *   'a': [{ 'b': 2 }, { 'd': 4 }]
+     * };
+     *
+     * var other = {
+     *   'a': [{ 'c': 3 }, { 'e': 5 }]
+     * };
+     *
+     * _.merge(object, other);
+     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+     */
+    var merge = createAssigner(function(object, source, srcIndex) {
+      baseMerge(object, source, srcIndex);
+    });
+
+    /**
+     * This method is like `_.merge` except that it accepts `customizer` which
+     * is invoked to produce the merged values of the destination and source
+     * properties. If `customizer` returns `undefined`, merging is handled by the
+     * method instead. The `customizer` is invoked with six arguments:
+     * (objValue, srcValue, key, object, source, stack).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} customizer The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   if (_.isArray(objValue)) {
+     *     return objValue.concat(srcValue);
+     *   }
+     * }
+     *
+     * var object = { 'a': [1], 'b': [2] };
+     * var other = { 'a': [3], 'b': [4] };
+     *
+     * _.mergeWith(object, other, customizer);
+     * // => { 'a': [1, 3], 'b': [2, 4] }
+     */
+    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
+      baseMerge(object, source, srcIndex, customizer);
+    });
+
+    /**
+     * The opposite of `_.pick`; this method creates an object composed of the
+     * own and inherited enumerable property paths of `object` that are not omitted.
+     *
+     * **Note:** This method is considerably slower than `_.pick`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {...(string|string[])} [paths] The property paths to omit.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.omit(object, ['a', 'c']);
+     * // => { 'b': '2' }
+     */
+    var omit = flatRest(function(object, paths) {
+      var result = {};
+      if (object == null) {
+        return result;
+      }
+      var isDeep = false;
+      paths = arrayMap(paths, function(path) {
+        path = castPath(path, object);
+        isDeep || (isDeep = path.length > 1);
+        return path;
+      });
+      copyObject(object, getAllKeysIn(object), result);
+      if (isDeep) {
+        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
+      }
+      var length = paths.length;
+      while (length--) {
+        baseUnset(result, paths[length]);
+      }
+      return result;
+    });
+
+    /**
+     * The opposite of `_.pickBy`; this method creates an object composed of
+     * the own and inherited enumerable string keyed properties of `object` that
+     * `predicate` doesn't return truthy for. The predicate is invoked with two
+     * arguments: (value, key).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function} [predicate=_.identity] The function invoked per property.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.omitBy(object, _.isNumber);
+     * // => { 'b': '2' }
+     */
+    function omitBy(object, predicate) {
+      return pickBy(object, negate(getIteratee(predicate)));
+    }
+
+    /**
+     * Creates an object composed of the picked `object` properties.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.pick(object, ['a', 'c']);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    var pick = flatRest(function(object, paths) {
+      return object == null ? {} : basePick(object, paths);
+    });
+
+    /**
+     * Creates an object composed of the `object` properties `predicate` returns
+     * truthy for. The predicate is invoked with two arguments: (value, key).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function} [predicate=_.identity] The function invoked per property.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.pickBy(object, _.isNumber);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    function pickBy(object, predicate) {
+      if (object == null) {
+        return {};
+      }
+      var props = arrayMap(getAllKeysIn(object), function(prop) {
+        return [prop];
+      });
+      predicate = getIteratee(predicate);
+      return basePickBy(object, props, function(value, path) {
+        return predicate(value, path[0]);
+      });
+    }
+
+    /**
+     * This method is like `_.get` except that if the resolved value is a
+     * function it's invoked with the `this` binding of its parent object and
+     * its result is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to resolve.
+     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+     *
+     * _.result(object, 'a[0].b.c1');
+     * // => 3
+     *
+     * _.result(object, 'a[0].b.c2');
+     * // => 4
+     *
+     * _.result(object, 'a[0].b.c3', 'default');
+     * // => 'default'
+     *
+     * _.result(object, 'a[0].b.c3', _.constant('default'));
+     * // => 'default'
+     */
+    function result(object, path, defaultValue) {
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length;
+
+      // Ensure the loop is entered when path is empty.
+      if (!length) {
+        length = 1;
+        object = undefined;
+      }
+      while (++index < length) {
+        var value = object == null ? undefined : object[toKey(path[index])];
+        if (value === undefined) {
+          index = length;
+          value = defaultValue;
+        }
+        object = isFunction(value) ? value.call(object) : value;
+      }
+      return object;
+    }
+
+    /**
+     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
+     * it's created. Arrays are created for missing index properties while objects
+     * are created for all other missing properties. Use `_.setWith` to customize
+     * `path` creation.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.set(object, 'a[0].b.c', 4);
+     * console.log(object.a[0].b.c);
+     * // => 4
+     *
+     * _.set(object, ['x', '0', 'y', 'z'], 5);
+     * console.log(object.x[0].y.z);
+     * // => 5
+     */
+    function set(object, path, value) {
+      return object == null ? object : baseSet(object, path, value);
+    }
+
+    /**
+     * This method is like `_.set` except that it accepts `customizer` which is
+     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+     * path creation is handled by the method instead. The `customizer` is invoked
+     * with three arguments: (nsValue, key, nsObject).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {};
+     *
+     * _.setWith(object, '[0][1]', 'a', Object);
+     * // => { '0': { '1': 'a' } }
+     */
+    function setWith(object, path, value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return object == null ? object : baseSet(object, path, value, customizer);
+    }
+
+    /**
+     * Creates an array of own enumerable string keyed-value pairs for `object`
+     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
+     * entries are returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias entries
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the key-value pairs.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.toPairs(new Foo);
+     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
+     */
+    var toPairs = createToPairs(keys);
+
+    /**
+     * Creates an array of own and inherited enumerable string keyed-value pairs
+     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
+     * or set, its entries are returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias entriesIn
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the key-value pairs.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.toPairsIn(new Foo);
+     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
+     */
+    var toPairsIn = createToPairs(keysIn);
+
+    /**
+     * An alternative to `_.reduce`; this method transforms `object` to a new
+     * `accumulator` object which is the result of running each of its own
+     * enumerable string keyed properties thru `iteratee`, with each invocation
+     * potentially mutating the `accumulator` object. If `accumulator` is not
+     * provided, a new object with the same `[[Prototype]]` will be used. The
+     * iteratee is invoked with four arguments: (accumulator, value, key, object).
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The custom accumulator value.
+     * @returns {*} Returns the accumulated value.
+     * @example
+     *
+     * _.transform([2, 3, 4], function(result, n) {
+     *   result.push(n *= n);
+     *   return n % 2 == 0;
+     * }, []);
+     * // => [4, 9]
+     *
+     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+     *   (result[value] || (result[value] = [])).push(key);
+     * }, {});
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     */
+    function transform(object, iteratee, accumulator) {
+      var isArr = isArray(object),
+          isArrLike = isArr || isBuffer(object) || isTypedArray(object);
+
+      iteratee = getIteratee(iteratee, 4);
+      if (accumulator == null) {
+        var Ctor = object && object.constructor;
+        if (isArrLike) {
+          accumulator = isArr ? new Ctor : [];
+        }
+        else if (isObject(object)) {
+          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
+        }
+        else {
+          accumulator = {};
+        }
+      }
+      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
+        return iteratee(accumulator, value, index, object);
+      });
+      return accumulator;
+    }
+
+    /**
+     * Removes the property at `path` of `object`.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to unset.
+     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
+     * _.unset(object, 'a[0].b.c');
+     * // => true
+     *
+     * console.log(object);
+     * // => { 'a': [{ 'b': {} }] };
+     *
+     * _.unset(object, ['a', '0', 'b', 'c']);
+     * // => true
+     *
+     * console.log(object);
+     * // => { 'a': [{ 'b': {} }] };
+     */
+    function unset(object, path) {
+      return object == null ? true : baseUnset(object, path);
+    }
+
+    /**
+     * This method is like `_.set` except that accepts `updater` to produce the
+     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
+     * is invoked with one argument: (value).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {Function} updater The function to produce the updated value.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
+     * console.log(object.a[0].b.c);
+     * // => 9
+     *
+     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
+     * console.log(object.x[0].y.z);
+     * // => 0
+     */
+    function update(object, path, updater) {
+      return object == null ? object : baseUpdate(object, path, castFunction(updater));
+    }
+
+    /**
+     * This method is like `_.update` except that it accepts `customizer` which is
+     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+     * path creation is handled by the method instead. The `customizer` is invoked
+     * with three arguments: (nsValue, key, nsObject).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {Function} updater The function to produce the updated value.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {};
+     *
+     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
+     * // => { '0': { '1': 'a' } }
+     */
+    function updateWith(object, path, updater, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+    }
+
+    /**
+     * Creates an array of the own enumerable string keyed property values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.values(new Foo);
+     * // => [1, 2] (iteration order is not guaranteed)
+     *
+     * _.values('hi');
+     * // => ['h', 'i']
+     */
+    function values(object) {
+      return object == null ? [] : baseValues(object, keys(object));
+    }
+
+    /**
+     * Creates an array of the own and inherited enumerable string keyed property
+     * values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.valuesIn(new Foo);
+     * // => [1, 2, 3] (iteration order is not guaranteed)
+     */
+    function valuesIn(object) {
+      return object == null ? [] : baseValues(object, keysIn(object));
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Clamps `number` within the inclusive `lower` and `upper` bounds.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Number
+     * @param {number} number The number to clamp.
+     * @param {number} [lower] The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the clamped number.
+     * @example
+     *
+     * _.clamp(-10, -5, 5);
+     * // => -5
+     *
+     * _.clamp(10, -5, 5);
+     * // => 5
+     */
+    function clamp(number, lower, upper) {
+      if (upper === undefined) {
+        upper = lower;
+        lower = undefined;
+      }
+      if (upper !== undefined) {
+        upper = toNumber(upper);
+        upper = upper === upper ? upper : 0;
+      }
+      if (lower !== undefined) {
+        lower = toNumber(lower);
+        lower = lower === lower ? lower : 0;
+      }
+      return baseClamp(toNumber(number), lower, upper);
+    }
+
+    /**
+     * Checks if `n` is between `start` and up to, but not including, `end`. If
+     * `end` is not specified, it's set to `start` with `start` then set to `0`.
+     * If `start` is greater than `end` the params are swapped to support
+     * negative ranges.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.3.0
+     * @category Number
+     * @param {number} number The number to check.
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+     * @see _.range, _.rangeRight
+     * @example
+     *
+     * _.inRange(3, 2, 4);
+     * // => true
+     *
+     * _.inRange(4, 8);
+     * // => true
+     *
+     * _.inRange(4, 2);
+     * // => false
+     *
+     * _.inRange(2, 2);
+     * // => false
+     *
+     * _.inRange(1.2, 2);
+     * // => true
+     *
+     * _.inRange(5.2, 4);
+     * // => false
+     *
+     * _.inRange(-3, -2, -6);
+     * // => true
+     */
+    function inRange(number, start, end) {
+      start = toFinite(start);
+      if (end === undefined) {
+        end = start;
+        start = 0;
+      } else {
+        end = toFinite(end);
+      }
+      number = toNumber(number);
+      return baseInRange(number, start, end);
+    }
+
+    /**
+     * Produces a random number between the inclusive `lower` and `upper` bounds.
+     * If only one argument is provided a number between `0` and the given number
+     * is returned. If `floating` is `true`, or either `lower` or `upper` are
+     * floats, a floating-point number is returned instead of an integer.
+     *
+     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+     * floating-point values which can produce unexpected results.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.7.0
+     * @category Number
+     * @param {number} [lower=0] The lower bound.
+     * @param {number} [upper=1] The upper bound.
+     * @param {boolean} [floating] Specify returning a floating-point number.
+     * @returns {number} Returns the random number.
+     * @example
+     *
+     * _.random(0, 5);
+     * // => an integer between 0 and 5
+     *
+     * _.random(5);
+     * // => also an integer between 0 and 5
+     *
+     * _.random(5, true);
+     * // => a floating-point number between 0 and 5
+     *
+     * _.random(1.2, 5.2);
+     * // => a floating-point number between 1.2 and 5.2
+     */
+    function random(lower, upper, floating) {
+      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
+        upper = floating = undefined;
+      }
+      if (floating === undefined) {
+        if (typeof upper == 'boolean') {
+          floating = upper;
+          upper = undefined;
+        }
+        else if (typeof lower == 'boolean') {
+          floating = lower;
+          lower = undefined;
+        }
+      }
+      if (lower === undefined && upper === undefined) {
+        lower = 0;
+        upper = 1;
+      }
+      else {
+        lower = toFinite(lower);
+        if (upper === undefined) {
+          upper = lower;
+          lower = 0;
+        } else {
+          upper = toFinite(upper);
+        }
+      }
+      if (lower > upper) {
+        var temp = lower;
+        lower = upper;
+        upper = temp;
+      }
+      if (floating || lower % 1 || upper % 1) {
+        var rand = nativeRandom();
+        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
+      }
+      return baseRandom(lower, upper);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the camel cased string.
+     * @example
+     *
+     * _.camelCase('Foo Bar');
+     * // => 'fooBar'
+     *
+     * _.camelCase('--foo-bar--');
+     * // => 'fooBar'
+     *
+     * _.camelCase('__FOO_BAR__');
+     * // => 'fooBar'
+     */
+    var camelCase = createCompounder(function(result, word, index) {
+      word = word.toLowerCase();
+      return result + (index ? capitalize(word) : word);
+    });
+
+    /**
+     * Converts the first character of `string` to upper case and the remaining
+     * to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to capitalize.
+     * @returns {string} Returns the capitalized string.
+     * @example
+     *
+     * _.capitalize('FRED');
+     * // => 'Fred'
+     */
+    function capitalize(string) {
+      return upperFirst(toString(string).toLowerCase());
+    }
+
+    /**
+     * Deburrs `string` by converting
+     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
+     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
+     * letters to basic Latin letters and removing
+     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to deburr.
+     * @returns {string} Returns the deburred string.
+     * @example
+     *
+     * _.deburr('déjà vu');
+     * // => 'deja vu'
+     */
+    function deburr(string) {
+      string = toString(string);
+      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
+    }
+
+    /**
+     * Checks if `string` ends with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=string.length] The position to search up to.
+     * @returns {boolean} Returns `true` if `string` ends with `target`,
+     *  else `false`.
+     * @example
+     *
+     * _.endsWith('abc', 'c');
+     * // => true
+     *
+     * _.endsWith('abc', 'b');
+     * // => false
+     *
+     * _.endsWith('abc', 'b', 2);
+     * // => true
+     */
+    function endsWith(string, target, position) {
+      string = toString(string);
+      target = baseToString(target);
+
+      var length = string.length;
+      position = position === undefined
+        ? length
+        : baseClamp(toInteger(position), 0, length);
+
+      var end = position;
+      position -= target.length;
+      return position >= 0 && string.slice(position, end) == target;
+    }
+
+    /**
+     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
+     * corresponding HTML entities.
+     *
+     * **Note:** No other characters are escaped. To escape additional
+     * characters use a third-party library like [_he_](https://mths.be/he).
+     *
+     * Though the ">" character is escaped for symmetry, characters like
+     * ">" and "/" don't need escaping in HTML and have no special meaning
+     * unless they're part of a tag or unquoted attribute value. See
+     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+     * (under "semi-related fun fact") for more details.
+     *
+     * When working with HTML you should always
+     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
+     * XSS vectors.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escape('fred, barney, & pebbles');
+     * // => 'fred, barney, &amp; pebbles'
+     */
+    function escape(string) {
+      string = toString(string);
+      return (string && reHasUnescapedHtml.test(string))
+        ? string.replace(reUnescapedHtml, escapeHtmlChar)
+        : string;
+    }
+
+    /**
+     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
+     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escapeRegExp('[lodash](https://lodash.com/)');
+     * // => '\[lodash\]\(https://lodash\.com/\)'
+     */
+    function escapeRegExp(string) {
+      string = toString(string);
+      return (string && reHasRegExpChar.test(string))
+        ? string.replace(reRegExpChar, '\\$&')
+        : string;
+    }
+
+    /**
+     * Converts `string` to
+     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the kebab cased string.
+     * @example
+     *
+     * _.kebabCase('Foo Bar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('fooBar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('__FOO_BAR__');
+     * // => 'foo-bar'
+     */
+    var kebabCase = createCompounder(function(result, word, index) {
+      return result + (index ? '-' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Converts `string`, as space separated words, to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the lower cased string.
+     * @example
+     *
+     * _.lowerCase('--Foo-Bar--');
+     * // => 'foo bar'
+     *
+     * _.lowerCase('fooBar');
+     * // => 'foo bar'
+     *
+     * _.lowerCase('__FOO_BAR__');
+     * // => 'foo bar'
+     */
+    var lowerCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Converts the first character of `string` to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.lowerFirst('Fred');
+     * // => 'fred'
+     *
+     * _.lowerFirst('FRED');
+     * // => 'fRED'
+     */
+    var lowerFirst = createCaseFirst('toLowerCase');
+
+    /**
+     * Pads `string` on the left and right sides if it's shorter than `length`.
+     * Padding characters are truncated if they can't be evenly divided by `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.pad('abc', 8);
+     * // => '  abc   '
+     *
+     * _.pad('abc', 8, '_-');
+     * // => '_-abc_-_'
+     *
+     * _.pad('abc', 3);
+     * // => 'abc'
+     */
+    function pad(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      if (!length || strLength >= length) {
+        return string;
+      }
+      var mid = (length - strLength) / 2;
+      return (
+        createPadding(nativeFloor(mid), chars) +
+        string +
+        createPadding(nativeCeil(mid), chars)
+      );
+    }
+
+    /**
+     * Pads `string` on the right side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padEnd('abc', 6);
+     * // => 'abc   '
+     *
+     * _.padEnd('abc', 6, '_-');
+     * // => 'abc_-_'
+     *
+     * _.padEnd('abc', 3);
+     * // => 'abc'
+     */
+    function padEnd(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      return (length && strLength < length)
+        ? (string + createPadding(length - strLength, chars))
+        : string;
+    }
+
+    /**
+     * Pads `string` on the left side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padStart('abc', 6);
+     * // => '   abc'
+     *
+     * _.padStart('abc', 6, '_-');
+     * // => '_-_abc'
+     *
+     * _.padStart('abc', 3);
+     * // => 'abc'
+     */
+    function padStart(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      return (length && strLength < length)
+        ? (createPadding(length - strLength, chars) + string)
+        : string;
+    }
+
+    /**
+     * Converts `string` to an integer of the specified radix. If `radix` is
+     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
+     * hexadecimal, in which case a `radix` of `16` is used.
+     *
+     * **Note:** This method aligns with the
+     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category String
+     * @param {string} string The string to convert.
+     * @param {number} [radix=10] The radix to interpret `value` by.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.parseInt('08');
+     * // => 8
+     *
+     * _.map(['6', '08', '10'], _.parseInt);
+     * // => [6, 8, 10]
+     */
+    function parseInt(string, radix, guard) {
+      if (guard || radix == null) {
+        radix = 0;
+      } else if (radix) {
+        radix = +radix;
+      }
+      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
+    }
+
+    /**
+     * Repeats the given string `n` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to repeat.
+     * @param {number} [n=1] The number of times to repeat the string.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the repeated string.
+     * @example
+     *
+     * _.repeat('*', 3);
+     * // => '***'
+     *
+     * _.repeat('abc', 2);
+     * // => 'abcabc'
+     *
+     * _.repeat('abc', 0);
+     * // => ''
+     */
+    function repeat(string, n, guard) {
+      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
+        n = 1;
+      } else {
+        n = toInteger(n);
+      }
+      return baseRepeat(toString(string), n);
+    }
+
+    /**
+     * Replaces matches for `pattern` in `string` with `replacement`.
+     *
+     * **Note:** This method is based on
+     * [`String#replace`](https://mdn.io/String/replace).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to modify.
+     * @param {RegExp|string} pattern The pattern to replace.
+     * @param {Function|string} replacement The match replacement.
+     * @returns {string} Returns the modified string.
+     * @example
+     *
+     * _.replace('Hi Fred', 'Fred', 'Barney');
+     * // => 'Hi Barney'
+     */
+    function replace() {
+      var args = arguments,
+          string = toString(args[0]);
+
+      return args.length < 3 ? string : string.replace(args[1], args[2]);
+    }
+
+    /**
+     * Converts `string` to
+     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the snake cased string.
+     * @example
+     *
+     * _.snakeCase('Foo Bar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('fooBar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('--FOO-BAR--');
+     * // => 'foo_bar'
+     */
+    var snakeCase = createCompounder(function(result, word, index) {
+      return result + (index ? '_' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Splits `string` by `separator`.
+     *
+     * **Note:** This method is based on
+     * [`String#split`](https://mdn.io/String/split).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to split.
+     * @param {RegExp|string} separator The separator pattern to split by.
+     * @param {number} [limit] The length to truncate results to.
+     * @returns {Array} Returns the string segments.
+     * @example
+     *
+     * _.split('a-b-c', '-', 2);
+     * // => ['a', 'b']
+     */
+    function split(string, separator, limit) {
+      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
+        separator = limit = undefined;
+      }
+      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
+      if (!limit) {
+        return [];
+      }
+      string = toString(string);
+      if (string && (
+            typeof separator == 'string' ||
+            (separator != null && !isRegExp(separator))
+          )) {
+        separator = baseToString(separator);
+        if (!separator && hasUnicode(string)) {
+          return castSlice(stringToArray(string), 0, limit);
+        }
+      }
+      return string.split(separator, limit);
+    }
+
+    /**
+     * Converts `string` to
+     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.1.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the start cased string.
+     * @example
+     *
+     * _.startCase('--foo-bar--');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('fooBar');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('__FOO_BAR__');
+     * // => 'FOO BAR'
+     */
+    var startCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + upperFirst(word);
+    });
+
+    /**
+     * Checks if `string` starts with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=0] The position to search from.
+     * @returns {boolean} Returns `true` if `string` starts with `target`,
+     *  else `false`.
+     * @example
+     *
+     * _.startsWith('abc', 'a');
+     * // => true
+     *
+     * _.startsWith('abc', 'b');
+     * // => false
+     *
+     * _.startsWith('abc', 'b', 1);
+     * // => true
+     */
+    function startsWith(string, target, position) {
+      string = toString(string);
+      position = position == null
+        ? 0
+        : baseClamp(toInteger(position), 0, string.length);
+
+      target = baseToString(target);
+      return string.slice(position, position + target.length) == target;
+    }
+
+    /**
+     * Creates a compiled template function that can interpolate data properties
+     * in "interpolate" delimiters, HTML-escape interpolated data properties in
+     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
+     * properties may be accessed as free variables in the template. If a setting
+     * object is given, it takes precedence over `_.templateSettings` values.
+     *
+     * **Note:** In the development build `_.template` utilizes
+     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+     * for easier debugging.
+     *
+     * For more information on precompiling templates see
+     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
+     *
+     * For more information on Chrome extension sandboxes see
+     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The template string.
+     * @param {Object} [options={}] The options object.
+     * @param {RegExp} [options.escape=_.templateSettings.escape]
+     *  The HTML "escape" delimiter.
+     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
+     *  The "evaluate" delimiter.
+     * @param {Object} [options.imports=_.templateSettings.imports]
+     *  An object to import into the template as free variables.
+     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
+     *  The "interpolate" delimiter.
+     * @param {string} [options.sourceURL='lodash.templateSources[n]']
+     *  The sourceURL of the compiled template.
+     * @param {string} [options.variable='obj']
+     *  The data object variable name.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the compiled template function.
+     * @example
+     *
+     * // Use the "interpolate" delimiter to create a compiled template.
+     * var compiled = _.template('hello <%= user %>!');
+     * compiled({ 'user': 'fred' });
+     * // => 'hello fred!'
+     *
+     * // Use the HTML "escape" delimiter to escape data property values.
+     * var compiled = _.template('<b><%- value %></b>');
+     * compiled({ 'value': '<script>' });
+     * // => '<b>&lt;script&gt;</b>'
+     *
+     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
+     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // Use the internal `print` function in "evaluate" delimiters.
+     * var compiled = _.template('<% print("hello " + user); %>!');
+     * compiled({ 'user': 'barney' });
+     * // => 'hello barney!'
+     *
+     * // Use the ES template literal delimiter as an "interpolate" delimiter.
+     * // Disable support by replacing the "interpolate" delimiter.
+     * var compiled = _.template('hello ${ user }!');
+     * compiled({ 'user': 'pebbles' });
+     * // => 'hello pebbles!'
+     *
+     * // Use backslashes to treat delimiters as plain text.
+     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
+     * compiled({ 'value': 'ignored' });
+     * // => '<%- value %>'
+     *
+     * // Use the `imports` option to import `jQuery` as `jq`.
+     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
+     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
+     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
+     * compiled(data);
+     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
+     *
+     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
+     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
+     * compiled.source;
+     * // => function(data) {
+     * //   var __t, __p = '';
+     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
+     * //   return __p;
+     * // }
+     *
+     * // Use custom template delimiters.
+     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
+     * var compiled = _.template('hello {{ user }}!');
+     * compiled({ 'user': 'mustache' });
+     * // => 'hello mustache!'
+     *
+     * // Use the `source` property to inline compiled templates for meaningful
+     * // line numbers in error messages and stack traces.
+     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
+     *   var JST = {\
+     *     "main": ' + _.template(mainText).source + '\
+     *   };\
+     * ');
+     */
+    function template(string, options, guard) {
+      // Based on John Resig's `tmpl` implementation
+      // (http://ejohn.org/blog/javascript-micro-templating/)
+      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
+      var settings = lodash.templateSettings;
+
+      if (guard && isIterateeCall(string, options, guard)) {
+        options = undefined;
+      }
+      string = toString(string);
+      options = assignInWith({}, options, settings, customDefaultsAssignIn);
+
+      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
+          importsKeys = keys(imports),
+          importsValues = baseValues(imports, importsKeys);
+
+      var isEscaping,
+          isEvaluating,
+          index = 0,
+          interpolate = options.interpolate || reNoMatch,
+          source = "__p += '";
+
+      // Compile the regexp to match each delimiter.
+      var reDelimiters = RegExp(
+        (options.escape || reNoMatch).source + '|' +
+        interpolate.source + '|' +
+        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
+        (options.evaluate || reNoMatch).source + '|$'
+      , 'g');
+
+      // Use a sourceURL for easier debugging.
+      // The sourceURL gets injected into the source that's eval-ed, so be careful
+      // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in
+      // and escape the comment, thus injecting code that gets evaled.
+      var sourceURL = '//# sourceURL=' +
+        (hasOwnProperty.call(options, 'sourceURL')
+          ? (options.sourceURL + '').replace(/\s/g, ' ')
+          : ('lodash.templateSources[' + (++templateCounter) + ']')
+        ) + '\n';
+
+      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+        interpolateValue || (interpolateValue = esTemplateValue);
+
+        // Escape characters that can't be included in string literals.
+        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+
+        // Replace delimiters with snippets.
+        if (escapeValue) {
+          isEscaping = true;
+          source += "' +\n__e(" + escapeValue + ") +\n'";
+        }
+        if (evaluateValue) {
+          isEvaluating = true;
+          source += "';\n" + evaluateValue + ";\n__p += '";
+        }
+        if (interpolateValue) {
+          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
+        }
+        index = offset + match.length;
+
+        // The JS engine embedded in Adobe products needs `match` returned in
+        // order to produce the correct `offset` value.
+        return match;
+      });
+
+      source += "';\n";
+
+      // If `variable` is not specified wrap a with-statement around the generated
+      // code to add the data object to the top of the scope chain.
+      var variable = hasOwnProperty.call(options, 'variable') && options.variable;
+      if (!variable) {
+        source = 'with (obj) {\n' + source + '\n}\n';
+      }
+      // Throw an error if a forbidden character was found in `variable`, to prevent
+      // potential command injection attacks.
+      else if (reForbiddenIdentifierChars.test(variable)) {
+        throw new Error(INVALID_TEMPL_VAR_ERROR_TEXT);
+      }
+
+      // Cleanup code by stripping empty strings.
+      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
+        .replace(reEmptyStringMiddle, '$1')
+        .replace(reEmptyStringTrailing, '$1;');
+
+      // Frame code as the function body.
+      source = 'function(' + (variable || 'obj') + ') {\n' +
+        (variable
+          ? ''
+          : 'obj || (obj = {});\n'
+        ) +
+        "var __t, __p = ''" +
+        (isEscaping
+           ? ', __e = _.escape'
+           : ''
+        ) +
+        (isEvaluating
+          ? ', __j = Array.prototype.join;\n' +
+            "function print() { __p += __j.call(arguments, '') }\n"
+          : ';\n'
+        ) +
+        source +
+        'return __p\n}';
+
+      var result = attempt(function() {
+        return Function(importsKeys, sourceURL + 'return ' + source)
+          .apply(undefined, importsValues);
+      });
+
+      // Provide the compiled function's source by its `toString` method or
+      // the `source` property as a convenience for inlining compiled templates.
+      result.source = source;
+      if (isError(result)) {
+        throw result;
+      }
+      return result;
+    }
+
+    /**
+     * Converts `string`, as a whole, to lower case just like
+     * [String#toLowerCase](https://mdn.io/toLowerCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the lower cased string.
+     * @example
+     *
+     * _.toLower('--Foo-Bar--');
+     * // => '--foo-bar--'
+     *
+     * _.toLower('fooBar');
+     * // => 'foobar'
+     *
+     * _.toLower('__FOO_BAR__');
+     * // => '__foo_bar__'
+     */
+    function toLower(value) {
+      return toString(value).toLowerCase();
+    }
+
+    /**
+     * Converts `string`, as a whole, to upper case just like
+     * [String#toUpperCase](https://mdn.io/toUpperCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the upper cased string.
+     * @example
+     *
+     * _.toUpper('--foo-bar--');
+     * // => '--FOO-BAR--'
+     *
+     * _.toUpper('fooBar');
+     * // => 'FOOBAR'
+     *
+     * _.toUpper('__foo_bar__');
+     * // => '__FOO_BAR__'
+     */
+    function toUpper(value) {
+      return toString(value).toUpperCase();
+    }
+
+    /**
+     * Removes leading and trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trim('  abc  ');
+     * // => 'abc'
+     *
+     * _.trim('-_-abc-_-', '_-');
+     * // => 'abc'
+     *
+     * _.map(['  foo  ', '  bar  '], _.trim);
+     * // => ['foo', 'bar']
+     */
+    function trim(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return baseTrim(string);
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          chrSymbols = stringToArray(chars),
+          start = charsStartIndex(strSymbols, chrSymbols),
+          end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+      return castSlice(strSymbols, start, end).join('');
+    }
+
+    /**
+     * Removes trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimEnd('  abc  ');
+     * // => '  abc'
+     *
+     * _.trimEnd('-_-abc-_-', '_-');
+     * // => '-_-abc'
+     */
+    function trimEnd(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.slice(0, trimmedEndIndex(string) + 1);
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
+
+      return castSlice(strSymbols, 0, end).join('');
+    }
+
+    /**
+     * Removes leading whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimStart('  abc  ');
+     * // => 'abc  '
+     *
+     * _.trimStart('-_-abc-_-', '_-');
+     * // => 'abc-_-'
+     */
+    function trimStart(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrimStart, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          start = charsStartIndex(strSymbols, stringToArray(chars));
+
+      return castSlice(strSymbols, start).join('');
+    }
+
+    /**
+     * Truncates `string` if it's longer than the given maximum string length.
+     * The last characters of the truncated string are replaced with the omission
+     * string which defaults to "...".
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to truncate.
+     * @param {Object} [options={}] The options object.
+     * @param {number} [options.length=30] The maximum string length.
+     * @param {string} [options.omission='...'] The string to indicate text is omitted.
+     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
+     * @returns {string} Returns the truncated string.
+     * @example
+     *
+     * _.truncate('hi-diddly-ho there, neighborino');
+     * // => 'hi-diddly-ho there, neighbo...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': ' '
+     * });
+     * // => 'hi-diddly-ho there,...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': /,? +/
+     * });
+     * // => 'hi-diddly-ho there...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'omission': ' [...]'
+     * });
+     * // => 'hi-diddly-ho there, neig [...]'
+     */
+    function truncate(string, options) {
+      var length = DEFAULT_TRUNC_LENGTH,
+          omission = DEFAULT_TRUNC_OMISSION;
+
+      if (isObject(options)) {
+        var separator = 'separator' in options ? options.separator : separator;
+        length = 'length' in options ? toInteger(options.length) : length;
+        omission = 'omission' in options ? baseToString(options.omission) : omission;
+      }
+      string = toString(string);
+
+      var strLength = string.length;
+      if (hasUnicode(string)) {
+        var strSymbols = stringToArray(string);
+        strLength = strSymbols.length;
+      }
+      if (length >= strLength) {
+        return string;
+      }
+      var end = length - stringSize(omission);
+      if (end < 1) {
+        return omission;
+      }
+      var result = strSymbols
+        ? castSlice(strSymbols, 0, end).join('')
+        : string.slice(0, end);
+
+      if (separator === undefined) {
+        return result + omission;
+      }
+      if (strSymbols) {
+        end += (result.length - end);
+      }
+      if (isRegExp(separator)) {
+        if (string.slice(end).search(separator)) {
+          var match,
+              substring = result;
+
+          if (!separator.global) {
+            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
+          }
+          separator.lastIndex = 0;
+          while ((match = separator.exec(substring))) {
+            var newEnd = match.index;
+          }
+          result = result.slice(0, newEnd === undefined ? end : newEnd);
+        }
+      } else if (string.indexOf(baseToString(separator), end) != end) {
+        var index = result.lastIndexOf(separator);
+        if (index > -1) {
+          result = result.slice(0, index);
+        }
+      }
+      return result + omission;
+    }
+
+    /**
+     * The inverse of `_.escape`; this method converts the HTML entities
+     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
+     * their corresponding characters.
+     *
+     * **Note:** No other HTML entities are unescaped. To unescape additional
+     * HTML entities use a third-party library like [_he_](https://mths.be/he).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.6.0
+     * @category String
+     * @param {string} [string=''] The string to unescape.
+     * @returns {string} Returns the unescaped string.
+     * @example
+     *
+     * _.unescape('fred, barney, &amp; pebbles');
+     * // => 'fred, barney, & pebbles'
+     */
+    function unescape(string) {
+      string = toString(string);
+      return (string && reHasEscapedHtml.test(string))
+        ? string.replace(reEscapedHtml, unescapeHtmlChar)
+        : string;
+    }
+
+    /**
+     * Converts `string`, as space separated words, to upper case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the upper cased string.
+     * @example
+     *
+     * _.upperCase('--foo-bar');
+     * // => 'FOO BAR'
+     *
+     * _.upperCase('fooBar');
+     * // => 'FOO BAR'
+     *
+     * _.upperCase('__foo_bar__');
+     * // => 'FOO BAR'
+     */
+    var upperCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + word.toUpperCase();
+    });
+
+    /**
+     * Converts the first character of `string` to upper case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.upperFirst('fred');
+     * // => 'Fred'
+     *
+     * _.upperFirst('FRED');
+     * // => 'FRED'
+     */
+    var upperFirst = createCaseFirst('toUpperCase');
+
+    /**
+     * Splits `string` into an array of its words.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {RegExp|string} [pattern] The pattern to match words.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the words of `string`.
+     * @example
+     *
+     * _.words('fred, barney, & pebbles');
+     * // => ['fred', 'barney', 'pebbles']
+     *
+     * _.words('fred, barney, & pebbles', /[^, ]+/g);
+     * // => ['fred', 'barney', '&', 'pebbles']
+     */
+    function words(string, pattern, guard) {
+      string = toString(string);
+      pattern = guard ? undefined : pattern;
+
+      if (pattern === undefined) {
+        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+      }
+      return string.match(pattern) || [];
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Attempts to invoke `func`, returning either the result or the caught error
+     * object. Any additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Function} func The function to attempt.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {*} Returns the `func` result or error object.
+     * @example
+     *
+     * // Avoid throwing errors for invalid selectors.
+     * var elements = _.attempt(function(selector) {
+     *   return document.querySelectorAll(selector);
+     * }, '>_>');
+     *
+     * if (_.isError(elements)) {
+     *   elements = [];
+     * }
+     */
+    var attempt = baseRest(function(func, args) {
+      try {
+        return apply(func, undefined, args);
+      } catch (e) {
+        return isError(e) ? e : new Error(e);
+      }
+    });
+
+    /**
+     * Binds methods of an object to the object itself, overwriting the existing
+     * method.
+     *
+     * **Note:** This method doesn't set the "length" property of bound functions.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {Object} object The object to bind and assign the bound methods to.
+     * @param {...(string|string[])} methodNames The object method names to bind.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var view = {
+     *   'label': 'docs',
+     *   'click': function() {
+     *     console.log('clicked ' + this.label);
+     *   }
+     * };
+     *
+     * _.bindAll(view, ['click']);
+     * jQuery(element).on('click', view.click);
+     * // => Logs 'clicked docs' when clicked.
+     */
+    var bindAll = flatRest(function(object, methodNames) {
+      arrayEach(methodNames, function(key) {
+        key = toKey(key);
+        baseAssignValue(object, key, bind(object[key], object));
+      });
+      return object;
+    });
+
+    /**
+     * Creates a function that iterates over `pairs` and invokes the corresponding
+     * function of the first predicate to return truthy. The predicate-function
+     * pairs are invoked with the `this` binding and arguments of the created
+     * function.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {Array} pairs The predicate-function pairs.
+     * @returns {Function} Returns the new composite function.
+     * @example
+     *
+     * var func = _.cond([
+     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
+     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
+     *   [_.stubTrue,                      _.constant('no match')]
+     * ]);
+     *
+     * func({ 'a': 1, 'b': 2 });
+     * // => 'matches A'
+     *
+     * func({ 'a': 0, 'b': 1 });
+     * // => 'matches B'
+     *
+     * func({ 'a': '1', 'b': '2' });
+     * // => 'no match'
+     */
+    function cond(pairs) {
+      var length = pairs == null ? 0 : pairs.length,
+          toIteratee = getIteratee();
+
+      pairs = !length ? [] : arrayMap(pairs, function(pair) {
+        if (typeof pair[1] != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        return [toIteratee(pair[0]), pair[1]];
+      });
+
+      return baseRest(function(args) {
+        var index = -1;
+        while (++index < length) {
+          var pair = pairs[index];
+          if (apply(pair[0], this, args)) {
+            return apply(pair[1], this, args);
+          }
+        }
+      });
+    }
+
+    /**
+     * Creates a function that invokes the predicate properties of `source` with
+     * the corresponding property values of a given object, returning `true` if
+     * all predicates return truthy, else `false`.
+     *
+     * **Note:** The created function is equivalent to `_.conformsTo` with
+     * `source` partially applied.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 2, 'b': 1 },
+     *   { 'a': 1, 'b': 2 }
+     * ];
+     *
+     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
+     * // => [{ 'a': 1, 'b': 2 }]
+     */
+    function conforms(source) {
+      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that returns `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Util
+     * @param {*} value The value to return from the new function.
+     * @returns {Function} Returns the new constant function.
+     * @example
+     *
+     * var objects = _.times(2, _.constant({ 'a': 1 }));
+     *
+     * console.log(objects);
+     * // => [{ 'a': 1 }, { 'a': 1 }]
+     *
+     * console.log(objects[0] === objects[1]);
+     * // => true
+     */
+    function constant(value) {
+      return function() {
+        return value;
+      };
+    }
+
+    /**
+     * Checks `value` to determine whether a default value should be returned in
+     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
+     * or `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.14.0
+     * @category Util
+     * @param {*} value The value to check.
+     * @param {*} defaultValue The default value.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * _.defaultTo(1, 10);
+     * // => 1
+     *
+     * _.defaultTo(undefined, 10);
+     * // => 10
+     */
+    function defaultTo(value, defaultValue) {
+      return (value == null || value !== value) ? defaultValue : value;
+    }
+
+    /**
+     * Creates a function that returns the result of invoking the given functions
+     * with the `this` binding of the created function, where each successive
+     * invocation is supplied the return value of the previous.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+     * @returns {Function} Returns the new composite function.
+     * @see _.flowRight
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flow([_.add, square]);
+     * addSquare(1, 2);
+     * // => 9
+     */
+    var flow = createFlow();
+
+    /**
+     * This method is like `_.flow` except that it creates a function that
+     * invokes the given functions from right to left.
+     *
+     * @static
+     * @since 3.0.0
+     * @memberOf _
+     * @category Util
+     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+     * @returns {Function} Returns the new composite function.
+     * @see _.flow
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flowRight([square, _.add]);
+     * addSquare(1, 2);
+     * // => 9
+     */
+    var flowRight = createFlow(true);
+
+    /**
+     * This method returns the first argument it receives.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {*} value Any value.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     *
+     * console.log(_.identity(object) === object);
+     * // => true
+     */
+    function identity(value) {
+      return value;
+    }
+
+    /**
+     * Creates a function that invokes `func` with the arguments of the created
+     * function. If `func` is a property name, the created function returns the
+     * property value for a given element. If `func` is an array or object, the
+     * created function returns `true` for elements that contain the equivalent
+     * source properties, otherwise it returns `false`.
+     *
+     * @static
+     * @since 4.0.0
+     * @memberOf _
+     * @category Util
+     * @param {*} [func=_.identity] The value to convert to a callback.
+     * @returns {Function} Returns the callback.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
+     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.filter(users, _.iteratee(['user', 'fred']));
+     * // => [{ 'user': 'fred', 'age': 40 }]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.map(users, _.iteratee('user'));
+     * // => ['barney', 'fred']
+     *
+     * // Create custom iteratee shorthands.
+     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
+     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
+     *     return func.test(string);
+     *   };
+     * });
+     *
+     * _.filter(['abc', 'def'], /ef/);
+     * // => ['def']
+     */
+    function iteratee(func) {
+      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that performs a partial deep comparison between a given
+     * object and `source`, returning `true` if the given object has equivalent
+     * property values, else `false`.
+     *
+     * **Note:** The created function is equivalent to `_.isMatch` with `source`
+     * partially applied.
+     *
+     * Partial comparisons will match empty array and empty object `source`
+     * values against any array or object value, respectively. See `_.isEqual`
+     * for a list of supported value comparisons.
+     *
+     * **Note:** Multiple values can be checked by combining several matchers
+     * using `_.overSome`
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 1, 'b': 2, 'c': 3 },
+     *   { 'a': 4, 'b': 5, 'c': 6 }
+     * ];
+     *
+     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
+     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
+     *
+     * // Checking for several possible values
+     * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));
+     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
+     */
+    function matches(source) {
+      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that performs a partial deep comparison between the
+     * value at `path` of a given object to `srcValue`, returning `true` if the
+     * object value is equivalent, else `false`.
+     *
+     * **Note:** Partial comparisons will match empty array and empty object
+     * `srcValue` values against any array or object value, respectively. See
+     * `_.isEqual` for a list of supported value comparisons.
+     *
+     * **Note:** Multiple values can be checked by combining several matchers
+     * using `_.overSome`
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Util
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 1, 'b': 2, 'c': 3 },
+     *   { 'a': 4, 'b': 5, 'c': 6 }
+     * ];
+     *
+     * _.find(objects, _.matchesProperty('a', 4));
+     * // => { 'a': 4, 'b': 5, 'c': 6 }
+     *
+     * // Checking for several possible values
+     * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));
+     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
+     */
+    function matchesProperty(path, srcValue) {
+      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that invokes the method at `path` of a given object.
+     * Any additional arguments are provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Util
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new invoker function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': _.constant(2) } },
+     *   { 'a': { 'b': _.constant(1) } }
+     * ];
+     *
+     * _.map(objects, _.method('a.b'));
+     * // => [2, 1]
+     *
+     * _.map(objects, _.method(['a', 'b']));
+     * // => [2, 1]
+     */
+    var method = baseRest(function(path, args) {
+      return function(object) {
+        return baseInvoke(object, path, args);
+      };
+    });
+
+    /**
+     * The opposite of `_.method`; this method creates a function that invokes
+     * the method at a given path of `object`. Any additional arguments are
+     * provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Util
+     * @param {Object} object The object to query.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new invoker function.
+     * @example
+     *
+     * var array = _.times(3, _.constant),
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
+     * // => [2, 0]
+     */
+    var methodOf = baseRest(function(object, args) {
+      return function(path) {
+        return baseInvoke(object, path, args);
+      };
+    });
+
+    /**
+     * Adds all own enumerable string keyed function properties of a source
+     * object to the destination object. If `object` is a function, then methods
+     * are added to its prototype as well.
+     *
+     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+     * avoid conflicts caused by modifying the original.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {Function|Object} [object=lodash] The destination object.
+     * @param {Object} source The object of functions to add.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
+     * @returns {Function|Object} Returns `object`.
+     * @example
+     *
+     * function vowels(string) {
+     *   return _.filter(string, function(v) {
+     *     return /[aeiou]/i.test(v);
+     *   });
+     * }
+     *
+     * _.mixin({ 'vowels': vowels });
+     * _.vowels('fred');
+     * // => ['e']
+     *
+     * _('fred').vowels().value();
+     * // => ['e']
+     *
+     * _.mixin({ 'vowels': vowels }, { 'chain': false });
+     * _('fred').vowels();
+     * // => ['e']
+     */
+    function mixin(object, source, options) {
+      var props = keys(source),
+          methodNames = baseFunctions(source, props);
+
+      if (options == null &&
+          !(isObject(source) && (methodNames.length || !props.length))) {
+        options = source;
+        source = object;
+        object = this;
+        methodNames = baseFunctions(source, keys(source));
+      }
+      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
+          isFunc = isFunction(object);
+
+      arrayEach(methodNames, function(methodName) {
+        var func = source[methodName];
+        object[methodName] = func;
+        if (isFunc) {
+          object.prototype[methodName] = function() {
+            var chainAll = this.__chain__;
+            if (chain || chainAll) {
+              var result = object(this.__wrapped__),
+                  actions = result.__actions__ = copyArray(this.__actions__);
+
+              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
+              result.__chain__ = chainAll;
+              return result;
+            }
+            return func.apply(object, arrayPush([this.value()], arguments));
+          };
+        }
+      });
+
+      return object;
+    }
+
+    /**
+     * Reverts the `_` variable to its previous value and returns a reference to
+     * the `lodash` function.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @returns {Function} Returns the `lodash` function.
+     * @example
+     *
+     * var lodash = _.noConflict();
+     */
+    function noConflict() {
+      if (root._ === this) {
+        root._ = oldDash;
+      }
+      return this;
+    }
+
+    /**
+     * This method returns `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.3.0
+     * @category Util
+     * @example
+     *
+     * _.times(2, _.noop);
+     * // => [undefined, undefined]
+     */
+    function noop() {
+      // No operation performed.
+    }
+
+    /**
+     * Creates a function that gets the argument at index `n`. If `n` is negative,
+     * the nth argument from the end is returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {number} [n=0] The index of the argument to return.
+     * @returns {Function} Returns the new pass-thru function.
+     * @example
+     *
+     * var func = _.nthArg(1);
+     * func('a', 'b', 'c', 'd');
+     * // => 'b'
+     *
+     * var func = _.nthArg(-2);
+     * func('a', 'b', 'c', 'd');
+     * // => 'c'
+     */
+    function nthArg(n) {
+      n = toInteger(n);
+      return baseRest(function(args) {
+        return baseNth(args, n);
+      });
+    }
+
+    /**
+     * Creates a function that invokes `iteratees` with the arguments it receives
+     * and returns their results.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+     *  The iteratees to invoke.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.over([Math.max, Math.min]);
+     *
+     * func(1, 2, 3, 4);
+     * // => [4, 1]
+     */
+    var over = createOver(arrayMap);
+
+    /**
+     * Creates a function that checks if **all** of the `predicates` return
+     * truthy when invoked with the arguments it receives.
+     *
+     * Following shorthands are possible for providing predicates.
+     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
+     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [predicates=[_.identity]]
+     *  The predicates to check.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.overEvery([Boolean, isFinite]);
+     *
+     * func('1');
+     * // => true
+     *
+     * func(null);
+     * // => false
+     *
+     * func(NaN);
+     * // => false
+     */
+    var overEvery = createOver(arrayEvery);
+
+    /**
+     * Creates a function that checks if **any** of the `predicates` return
+     * truthy when invoked with the arguments it receives.
+     *
+     * Following shorthands are possible for providing predicates.
+     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
+     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [predicates=[_.identity]]
+     *  The predicates to check.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.overSome([Boolean, isFinite]);
+     *
+     * func('1');
+     * // => true
+     *
+     * func(null);
+     * // => true
+     *
+     * func(NaN);
+     * // => false
+     *
+     * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])
+     * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])
+     */
+    var overSome = createOver(arraySome);
+
+    /**
+     * Creates a function that returns the value at `path` of a given object.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Util
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new accessor function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': 2 } },
+     *   { 'a': { 'b': 1 } }
+     * ];
+     *
+     * _.map(objects, _.property('a.b'));
+     * // => [2, 1]
+     *
+     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+     * // => [1, 2]
+     */
+    function property(path) {
+      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+    }
+
+    /**
+     * The opposite of `_.property`; this method creates a function that returns
+     * the value at a given path of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Object} object The object to query.
+     * @returns {Function} Returns the new accessor function.
+     * @example
+     *
+     * var array = [0, 1, 2],
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
+     * // => [2, 0]
+     */
+    function propertyOf(object) {
+      return function(path) {
+        return object == null ? undefined : baseGet(object, path);
+      };
+    }
+
+    /**
+     * Creates an array of numbers (positive and/or negative) progressing from
+     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
+     * `start` is specified without an `end` or `step`. If `end` is not specified,
+     * it's set to `start` with `start` then set to `0`.
+     *
+     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+     * floating-point values which can produce unexpected results.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the range of numbers.
+     * @see _.inRange, _.rangeRight
+     * @example
+     *
+     * _.range(4);
+     * // => [0, 1, 2, 3]
+     *
+     * _.range(-4);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 5);
+     * // => [1, 2, 3, 4]
+     *
+     * _.range(0, 20, 5);
+     * // => [0, 5, 10, 15]
+     *
+     * _.range(0, -4, -1);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.range(0);
+     * // => []
+     */
+    var range = createRange();
+
+    /**
+     * This method is like `_.range` except that it populates values in
+     * descending order.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the range of numbers.
+     * @see _.inRange, _.range
+     * @example
+     *
+     * _.rangeRight(4);
+     * // => [3, 2, 1, 0]
+     *
+     * _.rangeRight(-4);
+     * // => [-3, -2, -1, 0]
+     *
+     * _.rangeRight(1, 5);
+     * // => [4, 3, 2, 1]
+     *
+     * _.rangeRight(0, 20, 5);
+     * // => [15, 10, 5, 0]
+     *
+     * _.rangeRight(0, -4, -1);
+     * // => [-3, -2, -1, 0]
+     *
+     * _.rangeRight(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.rangeRight(0);
+     * // => []
+     */
+    var rangeRight = createRange(true);
+
+    /**
+     * This method returns a new empty array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {Array} Returns the new empty array.
+     * @example
+     *
+     * var arrays = _.times(2, _.stubArray);
+     *
+     * console.log(arrays);
+     * // => [[], []]
+     *
+     * console.log(arrays[0] === arrays[1]);
+     * // => false
+     */
+    function stubArray() {
+      return [];
+    }
+
+    /**
+     * This method returns `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {boolean} Returns `false`.
+     * @example
+     *
+     * _.times(2, _.stubFalse);
+     * // => [false, false]
+     */
+    function stubFalse() {
+      return false;
+    }
+
+    /**
+     * This method returns a new empty object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {Object} Returns the new empty object.
+     * @example
+     *
+     * var objects = _.times(2, _.stubObject);
+     *
+     * console.log(objects);
+     * // => [{}, {}]
+     *
+     * console.log(objects[0] === objects[1]);
+     * // => false
+     */
+    function stubObject() {
+      return {};
+    }
+
+    /**
+     * This method returns an empty string.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {string} Returns the empty string.
+     * @example
+     *
+     * _.times(2, _.stubString);
+     * // => ['', '']
+     */
+    function stubString() {
+      return '';
+    }
+
+    /**
+     * This method returns `true`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {boolean} Returns `true`.
+     * @example
+     *
+     * _.times(2, _.stubTrue);
+     * // => [true, true]
+     */
+    function stubTrue() {
+      return true;
+    }
+
+    /**
+     * Invokes the iteratee `n` times, returning an array of the results of
+     * each invocation. The iteratee is invoked with one argument; (index).
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {number} n The number of times to invoke `iteratee`.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.times(3, String);
+     * // => ['0', '1', '2']
+     *
+     *  _.times(4, _.constant(0));
+     * // => [0, 0, 0, 0]
+     */
+    function times(n, iteratee) {
+      n = toInteger(n);
+      if (n < 1 || n > MAX_SAFE_INTEGER) {
+        return [];
+      }
+      var index = MAX_ARRAY_LENGTH,
+          length = nativeMin(n, MAX_ARRAY_LENGTH);
+
+      iteratee = getIteratee(iteratee);
+      n -= MAX_ARRAY_LENGTH;
+
+      var result = baseTimes(length, iteratee);
+      while (++index < n) {
+        iteratee(index);
+      }
+      return result;
+    }
+
+    /**
+     * Converts `value` to a property path array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the new property path array.
+     * @example
+     *
+     * _.toPath('a.b.c');
+     * // => ['a', 'b', 'c']
+     *
+     * _.toPath('a[0].b.c');
+     * // => ['a', '0', 'b', 'c']
+     */
+    function toPath(value) {
+      if (isArray(value)) {
+        return arrayMap(value, toKey);
+      }
+      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
+    }
+
+    /**
+     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {string} [prefix=''] The value to prefix the ID with.
+     * @returns {string} Returns the unique ID.
+     * @example
+     *
+     * _.uniqueId('contact_');
+     * // => 'contact_104'
+     *
+     * _.uniqueId();
+     * // => '105'
+     */
+    function uniqueId(prefix) {
+      var id = ++idCounter;
+      return toString(prefix) + id;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Adds two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.4.0
+     * @category Math
+     * @param {number} augend The first number in an addition.
+     * @param {number} addend The second number in an addition.
+     * @returns {number} Returns the total.
+     * @example
+     *
+     * _.add(6, 4);
+     * // => 10
+     */
+    var add = createMathOperation(function(augend, addend) {
+      return augend + addend;
+    }, 0);
+
+    /**
+     * Computes `number` rounded up to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round up.
+     * @param {number} [precision=0] The precision to round up to.
+     * @returns {number} Returns the rounded up number.
+     * @example
+     *
+     * _.ceil(4.006);
+     * // => 5
+     *
+     * _.ceil(6.004, 2);
+     * // => 6.01
+     *
+     * _.ceil(6040, -2);
+     * // => 6100
+     */
+    var ceil = createRound('ceil');
+
+    /**
+     * Divide two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {number} dividend The first number in a division.
+     * @param {number} divisor The second number in a division.
+     * @returns {number} Returns the quotient.
+     * @example
+     *
+     * _.divide(6, 4);
+     * // => 1.5
+     */
+    var divide = createMathOperation(function(dividend, divisor) {
+      return dividend / divisor;
+    }, 1);
+
+    /**
+     * Computes `number` rounded down to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round down.
+     * @param {number} [precision=0] The precision to round down to.
+     * @returns {number} Returns the rounded down number.
+     * @example
+     *
+     * _.floor(4.006);
+     * // => 4
+     *
+     * _.floor(0.046, 2);
+     * // => 0.04
+     *
+     * _.floor(4060, -2);
+     * // => 4000
+     */
+    var floor = createRound('floor');
+
+    /**
+     * Computes the maximum value of `array`. If `array` is empty or falsey,
+     * `undefined` is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * _.max([4, 2, 8, 6]);
+     * // => 8
+     *
+     * _.max([]);
+     * // => undefined
+     */
+    function max(array) {
+      return (array && array.length)
+        ? baseExtremum(array, identity, baseGt)
+        : undefined;
+    }
+
+    /**
+     * This method is like `_.max` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * the value is ranked. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+     *
+     * _.maxBy(objects, function(o) { return o.n; });
+     * // => { 'n': 2 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.maxBy(objects, 'n');
+     * // => { 'n': 2 }
+     */
+    function maxBy(array, iteratee) {
+      return (array && array.length)
+        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
+        : undefined;
+    }
+
+    /**
+     * Computes the mean of the values in `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {number} Returns the mean.
+     * @example
+     *
+     * _.mean([4, 2, 8, 6]);
+     * // => 5
+     */
+    function mean(array) {
+      return baseMean(array, identity);
+    }
+
+    /**
+     * This method is like `_.mean` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the value to be averaged.
+     * The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the mean.
+     * @example
+     *
+     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+     *
+     * _.meanBy(objects, function(o) { return o.n; });
+     * // => 5
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.meanBy(objects, 'n');
+     * // => 5
+     */
+    function meanBy(array, iteratee) {
+      return baseMean(array, getIteratee(iteratee, 2));
+    }
+
+    /**
+     * Computes the minimum value of `array`. If `array` is empty or falsey,
+     * `undefined` is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * _.min([4, 2, 8, 6]);
+     * // => 2
+     *
+     * _.min([]);
+     * // => undefined
+     */
+    function min(array) {
+      return (array && array.length)
+        ? baseExtremum(array, identity, baseLt)
+        : undefined;
+    }
+
+    /**
+     * This method is like `_.min` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * the value is ranked. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+     *
+     * _.minBy(objects, function(o) { return o.n; });
+     * // => { 'n': 1 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.minBy(objects, 'n');
+     * // => { 'n': 1 }
+     */
+    function minBy(array, iteratee) {
+      return (array && array.length)
+        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
+        : undefined;
+    }
+
+    /**
+     * Multiply two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {number} multiplier The first number in a multiplication.
+     * @param {number} multiplicand The second number in a multiplication.
+     * @returns {number} Returns the product.
+     * @example
+     *
+     * _.multiply(6, 4);
+     * // => 24
+     */
+    var multiply = createMathOperation(function(multiplier, multiplicand) {
+      return multiplier * multiplicand;
+    }, 1);
+
+    /**
+     * Computes `number` rounded to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round.
+     * @param {number} [precision=0] The precision to round to.
+     * @returns {number} Returns the rounded number.
+     * @example
+     *
+     * _.round(4.006);
+     * // => 4
+     *
+     * _.round(4.006, 2);
+     * // => 4.01
+     *
+     * _.round(4060, -2);
+     * // => 4100
+     */
+    var round = createRound('round');
+
+    /**
+     * Subtract two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {number} minuend The first number in a subtraction.
+     * @param {number} subtrahend The second number in a subtraction.
+     * @returns {number} Returns the difference.
+     * @example
+     *
+     * _.subtract(6, 4);
+     * // => 2
+     */
+    var subtract = createMathOperation(function(minuend, subtrahend) {
+      return minuend - subtrahend;
+    }, 0);
+
+    /**
+     * Computes the sum of the values in `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.4.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * _.sum([4, 2, 8, 6]);
+     * // => 20
+     */
+    function sum(array) {
+      return (array && array.length)
+        ? baseSum(array, identity)
+        : 0;
+    }
+
+    /**
+     * This method is like `_.sum` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the value to be summed.
+     * The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+     *
+     * _.sumBy(objects, function(o) { return o.n; });
+     * // => 20
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sumBy(objects, 'n');
+     * // => 20
+     */
+    function sumBy(array, iteratee) {
+      return (array && array.length)
+        ? baseSum(array, getIteratee(iteratee, 2))
+        : 0;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    // Add methods that return wrapped values in chain sequences.
+    lodash.after = after;
+    lodash.ary = ary;
+    lodash.assign = assign;
+    lodash.assignIn = assignIn;
+    lodash.assignInWith = assignInWith;
+    lodash.assignWith = assignWith;
+    lodash.at = at;
+    lodash.before = before;
+    lodash.bind = bind;
+    lodash.bindAll = bindAll;
+    lodash.bindKey = bindKey;
+    lodash.castArray = castArray;
+    lodash.chain = chain;
+    lodash.chunk = chunk;
+    lodash.compact = compact;
+    lodash.concat = concat;
+    lodash.cond = cond;
+    lodash.conforms = conforms;
+    lodash.constant = constant;
+    lodash.countBy = countBy;
+    lodash.create = create;
+    lodash.curry = curry;
+    lodash.curryRight = curryRight;
+    lodash.debounce = debounce;
+    lodash.defaults = defaults;
+    lodash.defaultsDeep = defaultsDeep;
+    lodash.defer = defer;
+    lodash.delay = delay;
+    lodash.difference = difference;
+    lodash.differenceBy = differenceBy;
+    lodash.differenceWith = differenceWith;
+    lodash.drop = drop;
+    lodash.dropRight = dropRight;
+    lodash.dropRightWhile = dropRightWhile;
+    lodash.dropWhile = dropWhile;
+    lodash.fill = fill;
+    lodash.filter = filter;
+    lodash.flatMap = flatMap;
+    lodash.flatMapDeep = flatMapDeep;
+    lodash.flatMapDepth = flatMapDepth;
+    lodash.flatten = flatten;
+    lodash.flattenDeep = flattenDeep;
+    lodash.flattenDepth = flattenDepth;
+    lodash.flip = flip;
+    lodash.flow = flow;
+    lodash.flowRight = flowRight;
+    lodash.fromPairs = fromPairs;
+    lodash.functions = functions;
+    lodash.functionsIn = functionsIn;
+    lodash.groupBy = groupBy;
+    lodash.initial = initial;
+    lodash.intersection = intersection;
+    lodash.intersectionBy = intersectionBy;
+    lodash.intersectionWith = intersectionWith;
+    lodash.invert = invert;
+    lodash.invertBy = invertBy;
+    lodash.invokeMap = invokeMap;
+    lodash.iteratee = iteratee;
+    lodash.keyBy = keyBy;
+    lodash.keys = keys;
+    lodash.keysIn = keysIn;
+    lodash.map = map;
+    lodash.mapKeys = mapKeys;
+    lodash.mapValues = mapValues;
+    lodash.matches = matches;
+    lodash.matchesProperty = matchesProperty;
+    lodash.memoize = memoize;
+    lodash.merge = merge;
+    lodash.mergeWith = mergeWith;
+    lodash.method = method;
+    lodash.methodOf = methodOf;
+    lodash.mixin = mixin;
+    lodash.negate = negate;
+    lodash.nthArg = nthArg;
+    lodash.omit = omit;
+    lodash.omitBy = omitBy;
+    lodash.once = once;
+    lodash.orderBy = orderBy;
+    lodash.over = over;
+    lodash.overArgs = overArgs;
+    lodash.overEvery = overEvery;
+    lodash.overSome = overSome;
+    lodash.partial = partial;
+    lodash.partialRight = partialRight;
+    lodash.partition = partition;
+    lodash.pick = pick;
+    lodash.pickBy = pickBy;
+    lodash.property = property;
+    lodash.propertyOf = propertyOf;
+    lodash.pull = pull;
+    lodash.pullAll = pullAll;
+    lodash.pullAllBy = pullAllBy;
+    lodash.pullAllWith = pullAllWith;
+    lodash.pullAt = pullAt;
+    lodash.range = range;
+    lodash.rangeRight = rangeRight;
+    lodash.rearg = rearg;
+    lodash.reject = reject;
+    lodash.remove = remove;
+    lodash.rest = rest;
+    lodash.reverse = reverse;
+    lodash.sampleSize = sampleSize;
+    lodash.set = set;
+    lodash.setWith = setWith;
+    lodash.shuffle = shuffle;
+    lodash.slice = slice;
+    lodash.sortBy = sortBy;
+    lodash.sortedUniq = sortedUniq;
+    lodash.sortedUniqBy = sortedUniqBy;
+    lodash.split = split;
+    lodash.spread = spread;
+    lodash.tail = tail;
+    lodash.take = take;
+    lodash.takeRight = takeRight;
+    lodash.takeRightWhile = takeRightWhile;
+    lodash.takeWhile = takeWhile;
+    lodash.tap = tap;
+    lodash.throttle = throttle;
+    lodash.thru = thru;
+    lodash.toArray = toArray;
+    lodash.toPairs = toPairs;
+    lodash.toPairsIn = toPairsIn;
+    lodash.toPath = toPath;
+    lodash.toPlainObject = toPlainObject;
+    lodash.transform = transform;
+    lodash.unary = unary;
+    lodash.union = union;
+    lodash.unionBy = unionBy;
+    lodash.unionWith = unionWith;
+    lodash.uniq = uniq;
+    lodash.uniqBy = uniqBy;
+    lodash.uniqWith = uniqWith;
+    lodash.unset = unset;
+    lodash.unzip = unzip;
+    lodash.unzipWith = unzipWith;
+    lodash.update = update;
+    lodash.updateWith = updateWith;
+    lodash.values = values;
+    lodash.valuesIn = valuesIn;
+    lodash.without = without;
+    lodash.words = words;
+    lodash.wrap = wrap;
+    lodash.xor = xor;
+    lodash.xorBy = xorBy;
+    lodash.xorWith = xorWith;
+    lodash.zip = zip;
+    lodash.zipObject = zipObject;
+    lodash.zipObjectDeep = zipObjectDeep;
+    lodash.zipWith = zipWith;
+
+    // Add aliases.
+    lodash.entries = toPairs;
+    lodash.entriesIn = toPairsIn;
+    lodash.extend = assignIn;
+    lodash.extendWith = assignInWith;
+
+    // Add methods to `lodash.prototype`.
+    mixin(lodash, lodash);
+
+    /*------------------------------------------------------------------------*/
+
+    // Add methods that return unwrapped values in chain sequences.
+    lodash.add = add;
+    lodash.attempt = attempt;
+    lodash.camelCase = camelCase;
+    lodash.capitalize = capitalize;
+    lodash.ceil = ceil;
+    lodash.clamp = clamp;
+    lodash.clone = clone;
+    lodash.cloneDeep = cloneDeep;
+    lodash.cloneDeepWith = cloneDeepWith;
+    lodash.cloneWith = cloneWith;
+    lodash.conformsTo = conformsTo;
+    lodash.deburr = deburr;
+    lodash.defaultTo = defaultTo;
+    lodash.divide = divide;
+    lodash.endsWith = endsWith;
+    lodash.eq = eq;
+    lodash.escape = escape;
+    lodash.escapeRegExp = escapeRegExp;
+    lodash.every = every;
+    lodash.find = find;
+    lodash.findIndex = findIndex;
+    lodash.findKey = findKey;
+    lodash.findLast = findLast;
+    lodash.findLastIndex = findLastIndex;
+    lodash.findLastKey = findLastKey;
+    lodash.floor = floor;
+    lodash.forEach = forEach;
+    lodash.forEachRight = forEachRight;
+    lodash.forIn = forIn;
+    lodash.forInRight = forInRight;
+    lodash.forOwn = forOwn;
+    lodash.forOwnRight = forOwnRight;
+    lodash.get = get;
+    lodash.gt = gt;
+    lodash.gte = gte;
+    lodash.has = has;
+    lodash.hasIn = hasIn;
+    lodash.head = head;
+    lodash.identity = identity;
+    lodash.includes = includes;
+    lodash.indexOf = indexOf;
+    lodash.inRange = inRange;
+    lodash.invoke = invoke;
+    lodash.isArguments = isArguments;
+    lodash.isArray = isArray;
+    lodash.isArrayBuffer = isArrayBuffer;
+    lodash.isArrayLike = isArrayLike;
+    lodash.isArrayLikeObject = isArrayLikeObject;
+    lodash.isBoolean = isBoolean;
+    lodash.isBuffer = isBuffer;
+    lodash.isDate = isDate;
+    lodash.isElement = isElement;
+    lodash.isEmpty = isEmpty;
+    lodash.isEqual = isEqual;
+    lodash.isEqualWith = isEqualWith;
+    lodash.isError = isError;
+    lodash.isFinite = isFinite;
+    lodash.isFunction = isFunction;
+    lodash.isInteger = isInteger;
+    lodash.isLength = isLength;
+    lodash.isMap = isMap;
+    lodash.isMatch = isMatch;
+    lodash.isMatchWith = isMatchWith;
+    lodash.isNaN = isNaN;
+    lodash.isNative = isNative;
+    lodash.isNil = isNil;
+    lodash.isNull = isNull;
+    lodash.isNumber = isNumber;
+    lodash.isObject = isObject;
+    lodash.isObjectLike = isObjectLike;
+    lodash.isPlainObject = isPlainObject;
+    lodash.isRegExp = isRegExp;
+    lodash.isSafeInteger = isSafeInteger;
+    lodash.isSet = isSet;
+    lodash.isString = isString;
+    lodash.isSymbol = isSymbol;
+    lodash.isTypedArray = isTypedArray;
+    lodash.isUndefined = isUndefined;
+    lodash.isWeakMap = isWeakMap;
+    lodash.isWeakSet = isWeakSet;
+    lodash.join = join;
+    lodash.kebabCase = kebabCase;
+    lodash.last = last;
+    lodash.lastIndexOf = lastIndexOf;
+    lodash.lowerCase = lowerCase;
+    lodash.lowerFirst = lowerFirst;
+    lodash.lt = lt;
+    lodash.lte = lte;
+    lodash.max = max;
+    lodash.maxBy = maxBy;
+    lodash.mean = mean;
+    lodash.meanBy = meanBy;
+    lodash.min = min;
+    lodash.minBy = minBy;
+    lodash.stubArray = stubArray;
+    lodash.stubFalse = stubFalse;
+    lodash.stubObject = stubObject;
+    lodash.stubString = stubString;
+    lodash.stubTrue = stubTrue;
+    lodash.multiply = multiply;
+    lodash.nth = nth;
+    lodash.noConflict = noConflict;
+    lodash.noop = noop;
+    lodash.now = now;
+    lodash.pad = pad;
+    lodash.padEnd = padEnd;
+    lodash.padStart = padStart;
+    lodash.parseInt = parseInt;
+    lodash.random = random;
+    lodash.reduce = reduce;
+    lodash.reduceRight = reduceRight;
+    lodash.repeat = repeat;
+    lodash.replace = replace;
+    lodash.result = result;
+    lodash.round = round;
+    lodash.runInContext = runInContext;
+    lodash.sample = sample;
+    lodash.size = size;
+    lodash.snakeCase = snakeCase;
+    lodash.some = some;
+    lodash.sortedIndex = sortedIndex;
+    lodash.sortedIndexBy = sortedIndexBy;
+    lodash.sortedIndexOf = sortedIndexOf;
+    lodash.sortedLastIndex = sortedLastIndex;
+    lodash.sortedLastIndexBy = sortedLastIndexBy;
+    lodash.sortedLastIndexOf = sortedLastIndexOf;
+    lodash.startCase = startCase;
+    lodash.startsWith = startsWith;
+    lodash.subtract = subtract;
+    lodash.sum = sum;
+    lodash.sumBy = sumBy;
+    lodash.template = template;
+    lodash.times = times;
+    lodash.toFinite = toFinite;
+    lodash.toInteger = toInteger;
+    lodash.toLength = toLength;
+    lodash.toLower = toLower;
+    lodash.toNumber = toNumber;
+    lodash.toSafeInteger = toSafeInteger;
+    lodash.toString = toString;
+    lodash.toUpper = toUpper;
+    lodash.trim = trim;
+    lodash.trimEnd = trimEnd;
+    lodash.trimStart = trimStart;
+    lodash.truncate = truncate;
+    lodash.unescape = unescape;
+    lodash.uniqueId = uniqueId;
+    lodash.upperCase = upperCase;
+    lodash.upperFirst = upperFirst;
+
+    // Add aliases.
+    lodash.each = forEach;
+    lodash.eachRight = forEachRight;
+    lodash.first = head;
+
+    mixin(lodash, (function() {
+      var source = {};
+      baseForOwn(lodash, function(func, methodName) {
+        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
+          source[methodName] = func;
+        }
+      });
+      return source;
+    }()), { 'chain': false });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * The semantic version number.
+     *
+     * @static
+     * @memberOf _
+     * @type {string}
+     */
+    lodash.VERSION = VERSION;
+
+    // Assign default placeholders.
+    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
+      lodash[methodName].placeholder = lodash;
+    });
+
+    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
+    arrayEach(['drop', 'take'], function(methodName, index) {
+      LazyWrapper.prototype[methodName] = function(n) {
+        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);
+
+        var result = (this.__filtered__ && !index)
+          ? new LazyWrapper(this)
+          : this.clone();
+
+        if (result.__filtered__) {
+          result.__takeCount__ = nativeMin(n, result.__takeCount__);
+        } else {
+          result.__views__.push({
+            'size': nativeMin(n, MAX_ARRAY_LENGTH),
+            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
+          });
+        }
+        return result;
+      };
+
+      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
+        return this.reverse()[methodName](n).reverse();
+      };
+    });
+
+    // Add `LazyWrapper` methods that accept an `iteratee` value.
+    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
+      var type = index + 1,
+          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;
+
+      LazyWrapper.prototype[methodName] = function(iteratee) {
+        var result = this.clone();
+        result.__iteratees__.push({
+          'iteratee': getIteratee(iteratee, 3),
+          'type': type
+        });
+        result.__filtered__ = result.__filtered__ || isFilter;
+        return result;
+      };
+    });
+
+    // Add `LazyWrapper` methods for `_.head` and `_.last`.
+    arrayEach(['head', 'last'], function(methodName, index) {
+      var takeName = 'take' + (index ? 'Right' : '');
+
+      LazyWrapper.prototype[methodName] = function() {
+        return this[takeName](1).value()[0];
+      };
+    });
+
+    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
+    arrayEach(['initial', 'tail'], function(methodName, index) {
+      var dropName = 'drop' + (index ? '' : 'Right');
+
+      LazyWrapper.prototype[methodName] = function() {
+        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
+      };
+    });
+
+    LazyWrapper.prototype.compact = function() {
+      return this.filter(identity);
+    };
+
+    LazyWrapper.prototype.find = function(predicate) {
+      return this.filter(predicate).head();
+    };
+
+    LazyWrapper.prototype.findLast = function(predicate) {
+      return this.reverse().find(predicate);
+    };
+
+    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
+      if (typeof path == 'function') {
+        return new LazyWrapper(this);
+      }
+      return this.map(function(value) {
+        return baseInvoke(value, path, args);
+      });
+    });
+
+    LazyWrapper.prototype.reject = function(predicate) {
+      return this.filter(negate(getIteratee(predicate)));
+    };
+
+    LazyWrapper.prototype.slice = function(start, end) {
+      start = toInteger(start);
+
+      var result = this;
+      if (result.__filtered__ && (start > 0 || end < 0)) {
+        return new LazyWrapper(result);
+      }
+      if (start < 0) {
+        result = result.takeRight(-start);
+      } else if (start) {
+        result = result.drop(start);
+      }
+      if (end !== undefined) {
+        end = toInteger(end);
+        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
+      }
+      return result;
+    };
+
+    LazyWrapper.prototype.takeRightWhile = function(predicate) {
+      return this.reverse().takeWhile(predicate).reverse();
+    };
+
+    LazyWrapper.prototype.toArray = function() {
+      return this.take(MAX_ARRAY_LENGTH);
+    };
+
+    // Add `LazyWrapper` methods to `lodash.prototype`.
+    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
+          isTaker = /^(?:head|last)$/.test(methodName),
+          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
+          retUnwrapped = isTaker || /^find/.test(methodName);
+
+      if (!lodashFunc) {
+        return;
+      }
+      lodash.prototype[methodName] = function() {
+        var value = this.__wrapped__,
+            args = isTaker ? [1] : arguments,
+            isLazy = value instanceof LazyWrapper,
+            iteratee = args[0],
+            useLazy = isLazy || isArray(value);
+
+        var interceptor = function(value) {
+          var result = lodashFunc.apply(lodash, arrayPush([value], args));
+          return (isTaker && chainAll) ? result[0] : result;
+        };
+
+        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
+          // Avoid lazy use if the iteratee has a "length" value other than `1`.
+          isLazy = useLazy = false;
+        }
+        var chainAll = this.__chain__,
+            isHybrid = !!this.__actions__.length,
+            isUnwrapped = retUnwrapped && !chainAll,
+            onlyLazy = isLazy && !isHybrid;
+
+        if (!retUnwrapped && useLazy) {
+          value = onlyLazy ? value : new LazyWrapper(this);
+          var result = func.apply(value, args);
+          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
+          return new LodashWrapper(result, chainAll);
+        }
+        if (isUnwrapped && onlyLazy) {
+          return func.apply(this, args);
+        }
+        result = this.thru(interceptor);
+        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
+      };
+    });
+
+    // Add `Array` methods to `lodash.prototype`.
+    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
+      var func = arrayProto[methodName],
+          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
+          retUnwrapped = /^(?:pop|shift)$/.test(methodName);
+
+      lodash.prototype[methodName] = function() {
+        var args = arguments;
+        if (retUnwrapped && !this.__chain__) {
+          var value = this.value();
+          return func.apply(isArray(value) ? value : [], args);
+        }
+        return this[chainName](function(value) {
+          return func.apply(isArray(value) ? value : [], args);
+        });
+      };
+    });
+
+    // Map minified method names to their real names.
+    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+      var lodashFunc = lodash[methodName];
+      if (lodashFunc) {
+        var key = lodashFunc.name + '';
+        if (!hasOwnProperty.call(realNames, key)) {
+          realNames[key] = [];
+        }
+        realNames[key].push({ 'name': methodName, 'func': lodashFunc });
+      }
+    });
+
+    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
+      'name': 'wrapper',
+      'func': undefined
+    }];
+
+    // Add methods to `LazyWrapper`.
+    LazyWrapper.prototype.clone = lazyClone;
+    LazyWrapper.prototype.reverse = lazyReverse;
+    LazyWrapper.prototype.value = lazyValue;
+
+    // Add chain sequence methods to the `lodash` wrapper.
+    lodash.prototype.at = wrapperAt;
+    lodash.prototype.chain = wrapperChain;
+    lodash.prototype.commit = wrapperCommit;
+    lodash.prototype.next = wrapperNext;
+    lodash.prototype.plant = wrapperPlant;
+    lodash.prototype.reverse = wrapperReverse;
+    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+
+    // Add lazy aliases.
+    lodash.prototype.first = lodash.prototype.head;
+
+    if (symIterator) {
+      lodash.prototype[symIterator] = wrapperToIterator;
+    }
+    return lodash;
+  });
+
+  /*--------------------------------------------------------------------------*/
+
+  // Export lodash.
+  var _ = runInContext();
+
+  // Some AMD build optimizers, like r.js, check for condition patterns like:
+  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
+    // Expose Lodash on the global object to prevent errors when Lodash is
+    // loaded by a script tag in the presence of an AMD loader.
+    // See http://requirejs.org/docs/errors.html#mismatch for more details.
+    // Use `_.noConflict` to remove Lodash from the global object.
+    root._ = _;
+
+    // Define as an anonymous module so, through path mapping, it can be
+    // referenced as the "underscore" module.
+    define(function() {
+      return _;
+    });
+  }
+  // Check for `exports` after `define` in case a build optimizer adds it.
+  else if (freeModule) {
+    // Export for Node.js.
+    (freeModule.exports = _)._ = _;
+    // Export for CommonJS support.
+    freeExports._ = _;
+  }
+  else {
+    // Export to the global object.
+    root._ = _;
+  }
+}.call(this));
diff --git a/web/public/node_modules/lodash/lodash.min.js b/web/public/node_modules/lodash/lodash.min.js
new file mode 100644
index 000000000..4219da738
--- /dev/null
+++ b/web/public/node_modules/lodash/lodash.min.js
@@ -0,0 +1,140 @@
+/**
+ * @license
+ * Lodash <https://lodash.com/>
+ * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+ * Released under MIT license <https://lodash.com/license>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
+(function(){function n(n,t,r){switch(r.length){case 0:return n.call(t);case 1:return n.call(t,r[0]);case 2:return n.call(t,r[0],r[1]);case 3:return n.call(t,r[0],r[1],r[2])}return n.apply(t,r)}function t(n,t,r,e){for(var u=-1,i=null==n?0:n.length;++u<i;){var o=n[u];t(e,o,r(o),n)}return e}function r(n,t){for(var r=-1,e=null==n?0:n.length;++r<e&&t(n[r],r,n)!==!1;);return n}function e(n,t){for(var r=null==n?0:n.length;r--&&t(n[r],r,n)!==!1;);return n}function u(n,t){for(var r=-1,e=null==n?0:n.length;++r<e;)if(!t(n[r],r,n))return!1;
+return!0}function i(n,t){for(var r=-1,e=null==n?0:n.length,u=0,i=[];++r<e;){var o=n[r];t(o,r,n)&&(i[u++]=o)}return i}function o(n,t){return!!(null==n?0:n.length)&&y(n,t,0)>-1}function f(n,t,r){for(var e=-1,u=null==n?0:n.length;++e<u;)if(r(t,n[e]))return!0;return!1}function c(n,t){for(var r=-1,e=null==n?0:n.length,u=Array(e);++r<e;)u[r]=t(n[r],r,n);return u}function a(n,t){for(var r=-1,e=t.length,u=n.length;++r<e;)n[u+r]=t[r];return n}function l(n,t,r,e){var u=-1,i=null==n?0:n.length;for(e&&i&&(r=n[++u]);++u<i;)r=t(r,n[u],u,n);
+return r}function s(n,t,r,e){var u=null==n?0:n.length;for(e&&u&&(r=n[--u]);u--;)r=t(r,n[u],u,n);return r}function h(n,t){for(var r=-1,e=null==n?0:n.length;++r<e;)if(t(n[r],r,n))return!0;return!1}function p(n){return n.split("")}function _(n){return n.match($t)||[]}function v(n,t,r){var e;return r(n,function(n,r,u){if(t(n,r,u))return e=r,!1}),e}function g(n,t,r,e){for(var u=n.length,i=r+(e?1:-1);e?i--:++i<u;)if(t(n[i],i,n))return i;return-1}function y(n,t,r){return t===t?Z(n,t,r):g(n,b,r)}function d(n,t,r,e){
+for(var u=r-1,i=n.length;++u<i;)if(e(n[u],t))return u;return-1}function b(n){return n!==n}function w(n,t){var r=null==n?0:n.length;return r?k(n,t)/r:Cn}function m(n){return function(t){return null==t?X:t[n]}}function x(n){return function(t){return null==n?X:n[t]}}function j(n,t,r,e,u){return u(n,function(n,u,i){r=e?(e=!1,n):t(r,n,u,i)}),r}function A(n,t){var r=n.length;for(n.sort(t);r--;)n[r]=n[r].value;return n}function k(n,t){for(var r,e=-1,u=n.length;++e<u;){var i=t(n[e]);i!==X&&(r=r===X?i:r+i);
+}return r}function O(n,t){for(var r=-1,e=Array(n);++r<n;)e[r]=t(r);return e}function I(n,t){return c(t,function(t){return[t,n[t]]})}function R(n){return n?n.slice(0,H(n)+1).replace(Lt,""):n}function z(n){return function(t){return n(t)}}function E(n,t){return c(t,function(t){return n[t]})}function S(n,t){return n.has(t)}function W(n,t){for(var r=-1,e=n.length;++r<e&&y(t,n[r],0)>-1;);return r}function L(n,t){for(var r=n.length;r--&&y(t,n[r],0)>-1;);return r}function C(n,t){for(var r=n.length,e=0;r--;)n[r]===t&&++e;
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diff --git a/web/public/node_modules/lodash/lowerCase.js b/web/public/node_modules/lodash/lowerCase.js
new file mode 100644
index 000000000..66c1f499f
--- /dev/null
+++ b/web/public/node_modules/lodash/lowerCase.js
@@ -0,0 +1,27 @@
+var createCompounder = require('./_createCompounder');
+
+/**
+ * Converts `string`, as space separated words, to lower case.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the lower cased string.
+ * @example
+ *
+ * _.lowerCase('--Foo-Bar--');
+ * // => 'foo bar'
+ *
+ * _.lowerCase('fooBar');
+ * // => 'foo bar'
+ *
+ * _.lowerCase('__FOO_BAR__');
+ * // => 'foo bar'
+ */
+var lowerCase = createCompounder(function(result, word, index) {
+  return result + (index ? ' ' : '') + word.toLowerCase();
+});
+
+module.exports = lowerCase;
diff --git a/web/public/node_modules/lodash/lowerFirst.js b/web/public/node_modules/lodash/lowerFirst.js
new file mode 100644
index 000000000..c08f082b1
--- /dev/null
+++ b/web/public/node_modules/lodash/lowerFirst.js
@@ -0,0 +1,22 @@
+var createCaseFirst = require('./_createCaseFirst');
+
+/**
+ * Converts the first character of `string` to lower case.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the converted string.
+ * @example
+ *
+ * _.lowerFirst('Fred');
+ * // => 'fred'
+ *
+ * _.lowerFirst('FRED');
+ * // => 'fRED'
+ */
+var lowerFirst = createCaseFirst('toLowerCase');
+
+module.exports = lowerFirst;
diff --git a/web/public/node_modules/lodash/lt.js b/web/public/node_modules/lodash/lt.js
new file mode 100644
index 000000000..813866e4a
--- /dev/null
+++ b/web/public/node_modules/lodash/lt.js
@@ -0,0 +1,29 @@
+var baseLt = require('./_baseLt'),
+    createRelationalOperation = require('./_createRelationalOperation');
+
+/**
+ * Checks if `value` is less than `other`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.9.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if `value` is less than `other`,
+ *  else `false`.
+ * @see _.gt
+ * @example
+ *
+ * _.lt(1, 3);
+ * // => true
+ *
+ * _.lt(3, 3);
+ * // => false
+ *
+ * _.lt(3, 1);
+ * // => false
+ */
+var lt = createRelationalOperation(baseLt);
+
+module.exports = lt;
diff --git a/web/public/node_modules/lodash/lte.js b/web/public/node_modules/lodash/lte.js
new file mode 100644
index 000000000..382f6610d
--- /dev/null
+++ b/web/public/node_modules/lodash/lte.js
@@ -0,0 +1,30 @@
+var createRelationalOperation = require('./_createRelationalOperation');
+
+/**
+ * Checks if `value` is less than or equal to `other`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.9.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if `value` is less than or equal to
+ *  `other`, else `false`.
+ * @see _.gte
+ * @example
+ *
+ * _.lte(1, 3);
+ * // => true
+ *
+ * _.lte(3, 3);
+ * // => true
+ *
+ * _.lte(3, 1);
+ * // => false
+ */
+var lte = createRelationalOperation(function(value, other) {
+  return value <= other;
+});
+
+module.exports = lte;
diff --git a/web/public/node_modules/lodash/map.js b/web/public/node_modules/lodash/map.js
new file mode 100644
index 000000000..22efee7b3
--- /dev/null
+++ b/web/public/node_modules/lodash/map.js
@@ -0,0 +1,53 @@
+var arrayMap = require('./_arrayMap'),
+    baseIteratee = require('./_baseIteratee'),
+    baseMap = require('./_baseMap'),
+    isArray = require('./isArray');
+
+/**
+ * Creates an array of values by running each element in `collection` thru
+ * `iteratee`. The iteratee is invoked with three arguments:
+ * (value, index|key, collection).
+ *
+ * Many lodash methods are guarded to work as iteratees for methods like
+ * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+ *
+ * The guarded methods are:
+ * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
+ * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
+ * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
+ * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * _.map([4, 8], square);
+ * // => [16, 64]
+ *
+ * _.map({ 'a': 4, 'b': 8 }, square);
+ * // => [16, 64] (iteration order is not guaranteed)
+ *
+ * var users = [
+ *   { 'user': 'barney' },
+ *   { 'user': 'fred' }
+ * ];
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.map(users, 'user');
+ * // => ['barney', 'fred']
+ */
+function map(collection, iteratee) {
+  var func = isArray(collection) ? arrayMap : baseMap;
+  return func(collection, baseIteratee(iteratee, 3));
+}
+
+module.exports = map;
diff --git a/web/public/node_modules/lodash/mapKeys.js b/web/public/node_modules/lodash/mapKeys.js
new file mode 100644
index 000000000..3b68797db
--- /dev/null
+++ b/web/public/node_modules/lodash/mapKeys.js
@@ -0,0 +1,36 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    baseForOwn = require('./_baseForOwn'),
+    baseIteratee = require('./_baseIteratee');
+
+/**
+ * The opposite of `_.mapValues`; this method creates an object with the
+ * same values as `object` and keys generated by running each own enumerable
+ * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+ * with three arguments: (value, key, object).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.8.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Object} Returns the new mapped object.
+ * @see _.mapValues
+ * @example
+ *
+ * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+ *   return key + value;
+ * });
+ * // => { 'a1': 1, 'b2': 2 }
+ */
+function mapKeys(object, iteratee) {
+  var result = {};
+  iteratee = baseIteratee(iteratee, 3);
+
+  baseForOwn(object, function(value, key, object) {
+    baseAssignValue(result, iteratee(value, key, object), value);
+  });
+  return result;
+}
+
+module.exports = mapKeys;
diff --git a/web/public/node_modules/lodash/mapValues.js b/web/public/node_modules/lodash/mapValues.js
new file mode 100644
index 000000000..4ec082514
--- /dev/null
+++ b/web/public/node_modules/lodash/mapValues.js
@@ -0,0 +1,43 @@
+var baseAssignValue = require('./_baseAssignValue'),
+    baseForOwn = require('./_baseForOwn'),
+    baseIteratee = require('./_baseIteratee');
+
+/**
+ * Creates an object with the same keys as `object` and values generated
+ * by running each own enumerable string keyed property of `object` thru
+ * `iteratee`. The iteratee is invoked with three arguments:
+ * (value, key, object).
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Object} Returns the new mapped object.
+ * @see _.mapKeys
+ * @example
+ *
+ * var users = {
+ *   'fred':    { 'user': 'fred',    'age': 40 },
+ *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+ * };
+ *
+ * _.mapValues(users, function(o) { return o.age; });
+ * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.mapValues(users, 'age');
+ * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+ */
+function mapValues(object, iteratee) {
+  var result = {};
+  iteratee = baseIteratee(iteratee, 3);
+
+  baseForOwn(object, function(value, key, object) {
+    baseAssignValue(result, key, iteratee(value, key, object));
+  });
+  return result;
+}
+
+module.exports = mapValues;
diff --git a/web/public/node_modules/lodash/matches.js b/web/public/node_modules/lodash/matches.js
new file mode 100644
index 000000000..e10b35198
--- /dev/null
+++ b/web/public/node_modules/lodash/matches.js
@@ -0,0 +1,46 @@
+var baseClone = require('./_baseClone'),
+    baseMatches = require('./_baseMatches');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1;
+
+/**
+ * Creates a function that performs a partial deep comparison between a given
+ * object and `source`, returning `true` if the given object has equivalent
+ * property values, else `false`.
+ *
+ * **Note:** The created function is equivalent to `_.isMatch` with `source`
+ * partially applied.
+ *
+ * Partial comparisons will match empty array and empty object `source`
+ * values against any array or object value, respectively. See `_.isEqual`
+ * for a list of supported value comparisons.
+ *
+ * **Note:** Multiple values can be checked by combining several matchers
+ * using `_.overSome`
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Util
+ * @param {Object} source The object of property values to match.
+ * @returns {Function} Returns the new spec function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': 1, 'b': 2, 'c': 3 },
+ *   { 'a': 4, 'b': 5, 'c': 6 }
+ * ];
+ *
+ * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
+ * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
+ *
+ * // Checking for several possible values
+ * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));
+ * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
+ */
+function matches(source) {
+  return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
+}
+
+module.exports = matches;
diff --git a/web/public/node_modules/lodash/matchesProperty.js b/web/public/node_modules/lodash/matchesProperty.js
new file mode 100644
index 000000000..e6f1a882d
--- /dev/null
+++ b/web/public/node_modules/lodash/matchesProperty.js
@@ -0,0 +1,44 @@
+var baseClone = require('./_baseClone'),
+    baseMatchesProperty = require('./_baseMatchesProperty');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1;
+
+/**
+ * Creates a function that performs a partial deep comparison between the
+ * value at `path` of a given object to `srcValue`, returning `true` if the
+ * object value is equivalent, else `false`.
+ *
+ * **Note:** Partial comparisons will match empty array and empty object
+ * `srcValue` values against any array or object value, respectively. See
+ * `_.isEqual` for a list of supported value comparisons.
+ *
+ * **Note:** Multiple values can be checked by combining several matchers
+ * using `_.overSome`
+ *
+ * @static
+ * @memberOf _
+ * @since 3.2.0
+ * @category Util
+ * @param {Array|string} path The path of the property to get.
+ * @param {*} srcValue The value to match.
+ * @returns {Function} Returns the new spec function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': 1, 'b': 2, 'c': 3 },
+ *   { 'a': 4, 'b': 5, 'c': 6 }
+ * ];
+ *
+ * _.find(objects, _.matchesProperty('a', 4));
+ * // => { 'a': 4, 'b': 5, 'c': 6 }
+ *
+ * // Checking for several possible values
+ * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));
+ * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
+ */
+function matchesProperty(path, srcValue) {
+  return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
+}
+
+module.exports = matchesProperty;
diff --git a/web/public/node_modules/lodash/math.js b/web/public/node_modules/lodash/math.js
new file mode 100644
index 000000000..596688748
--- /dev/null
+++ b/web/public/node_modules/lodash/math.js
@@ -0,0 +1,17 @@
+module.exports = {
+  'add': require('./add'),
+  'ceil': require('./ceil'),
+  'divide': require('./divide'),
+  'floor': require('./floor'),
+  'max': require('./max'),
+  'maxBy': require('./maxBy'),
+  'mean': require('./mean'),
+  'meanBy': require('./meanBy'),
+  'min': require('./min'),
+  'minBy': require('./minBy'),
+  'multiply': require('./multiply'),
+  'round': require('./round'),
+  'subtract': require('./subtract'),
+  'sum': require('./sum'),
+  'sumBy': require('./sumBy')
+};
diff --git a/web/public/node_modules/lodash/max.js b/web/public/node_modules/lodash/max.js
new file mode 100644
index 000000000..142ad8cfb
--- /dev/null
+++ b/web/public/node_modules/lodash/max.js
@@ -0,0 +1,29 @@
+var baseExtremum = require('./_baseExtremum'),
+    baseGt = require('./_baseGt'),
+    identity = require('./identity');
+
+/**
+ * Computes the maximum value of `array`. If `array` is empty or falsey,
+ * `undefined` is returned.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @returns {*} Returns the maximum value.
+ * @example
+ *
+ * _.max([4, 2, 8, 6]);
+ * // => 8
+ *
+ * _.max([]);
+ * // => undefined
+ */
+function max(array) {
+  return (array && array.length)
+    ? baseExtremum(array, identity, baseGt)
+    : undefined;
+}
+
+module.exports = max;
diff --git a/web/public/node_modules/lodash/maxBy.js b/web/public/node_modules/lodash/maxBy.js
new file mode 100644
index 000000000..2eba9c06f
--- /dev/null
+++ b/web/public/node_modules/lodash/maxBy.js
@@ -0,0 +1,34 @@
+var baseExtremum = require('./_baseExtremum'),
+    baseGt = require('./_baseGt'),
+    baseIteratee = require('./_baseIteratee');
+
+/**
+ * This method is like `_.max` except that it accepts `iteratee` which is
+ * invoked for each element in `array` to generate the criterion by which
+ * the value is ranked. The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {*} Returns the maximum value.
+ * @example
+ *
+ * var objects = [{ 'n': 1 }, { 'n': 2 }];
+ *
+ * _.maxBy(objects, function(o) { return o.n; });
+ * // => { 'n': 2 }
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.maxBy(objects, 'n');
+ * // => { 'n': 2 }
+ */
+function maxBy(array, iteratee) {
+  return (array && array.length)
+    ? baseExtremum(array, baseIteratee(iteratee, 2), baseGt)
+    : undefined;
+}
+
+module.exports = maxBy;
diff --git a/web/public/node_modules/lodash/mean.js b/web/public/node_modules/lodash/mean.js
new file mode 100644
index 000000000..e3ffff67c
--- /dev/null
+++ b/web/public/node_modules/lodash/mean.js
@@ -0,0 +1,22 @@
+var baseMean = require('./_baseMean'),
+    identity = require('./identity');
+
+/**
+ * Computes the mean of the values in `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @returns {number} Returns the mean.
+ * @example
+ *
+ * _.mean([4, 2, 8, 6]);
+ * // => 5
+ */
+function mean(array) {
+  return baseMean(array, identity);
+}
+
+module.exports = mean;
diff --git a/web/public/node_modules/lodash/meanBy.js b/web/public/node_modules/lodash/meanBy.js
new file mode 100644
index 000000000..b0316716f
--- /dev/null
+++ b/web/public/node_modules/lodash/meanBy.js
@@ -0,0 +1,31 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseMean = require('./_baseMean');
+
+/**
+ * This method is like `_.mean` except that it accepts `iteratee` which is
+ * invoked for each element in `array` to generate the value to be averaged.
+ * The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.7.0
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {number} Returns the mean.
+ * @example
+ *
+ * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+ *
+ * _.meanBy(objects, function(o) { return o.n; });
+ * // => 5
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.meanBy(objects, 'n');
+ * // => 5
+ */
+function meanBy(array, iteratee) {
+  return baseMean(array, baseIteratee(iteratee, 2));
+}
+
+module.exports = meanBy;
diff --git a/web/public/node_modules/lodash/memoize.js b/web/public/node_modules/lodash/memoize.js
new file mode 100644
index 000000000..d6035af17
--- /dev/null
+++ b/web/public/node_modules/lodash/memoize.js
@@ -0,0 +1,73 @@
+var MapCache = require('./_MapCache');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * Creates a function that memoizes the result of `func`. If `resolver` is
+ * provided, it determines the cache key for storing the result based on the
+ * arguments provided to the memoized function. By default, the first argument
+ * provided to the memoized function is used as the map cache key. The `func`
+ * is invoked with the `this` binding of the memoized function.
+ *
+ * **Note:** The cache is exposed as the `cache` property on the memoized
+ * function. Its creation may be customized by replacing the `_.memoize.Cache`
+ * constructor with one whose instances implement the
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+ * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to have its output memoized.
+ * @param {Function} [resolver] The function to resolve the cache key.
+ * @returns {Function} Returns the new memoized function.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': 2 };
+ * var other = { 'c': 3, 'd': 4 };
+ *
+ * var values = _.memoize(_.values);
+ * values(object);
+ * // => [1, 2]
+ *
+ * values(other);
+ * // => [3, 4]
+ *
+ * object.a = 2;
+ * values(object);
+ * // => [1, 2]
+ *
+ * // Modify the result cache.
+ * values.cache.set(object, ['a', 'b']);
+ * values(object);
+ * // => ['a', 'b']
+ *
+ * // Replace `_.memoize.Cache`.
+ * _.memoize.Cache = WeakMap;
+ */
+function memoize(func, resolver) {
+  if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  var memoized = function() {
+    var args = arguments,
+        key = resolver ? resolver.apply(this, args) : args[0],
+        cache = memoized.cache;
+
+    if (cache.has(key)) {
+      return cache.get(key);
+    }
+    var result = func.apply(this, args);
+    memoized.cache = cache.set(key, result) || cache;
+    return result;
+  };
+  memoized.cache = new (memoize.Cache || MapCache);
+  return memoized;
+}
+
+// Expose `MapCache`.
+memoize.Cache = MapCache;
+
+module.exports = memoize;
diff --git a/web/public/node_modules/lodash/merge.js b/web/public/node_modules/lodash/merge.js
new file mode 100644
index 000000000..4bbc3a181
--- /dev/null
+++ b/web/public/node_modules/lodash/merge.js
@@ -0,0 +1,39 @@
+var baseMerge = require('./_baseMerge'),
+    createAssigner = require('./_createAssigner');
+
+/**
+ * This method is like `_.assign` except that it recursively merges own and
+ * inherited enumerable string keyed properties of source objects into the
+ * destination object. Source properties that resolve to `undefined` are
+ * skipped if a destination value exists. Array and plain object properties
+ * are merged recursively. Other objects and value types are overridden by
+ * assignment. Source objects are applied from left to right. Subsequent
+ * sources overwrite property assignments of previous sources.
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.5.0
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} [sources] The source objects.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var object = {
+ *   'a': [{ 'b': 2 }, { 'd': 4 }]
+ * };
+ *
+ * var other = {
+ *   'a': [{ 'c': 3 }, { 'e': 5 }]
+ * };
+ *
+ * _.merge(object, other);
+ * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+ */
+var merge = createAssigner(function(object, source, srcIndex) {
+  baseMerge(object, source, srcIndex);
+});
+
+module.exports = merge;
diff --git a/web/public/node_modules/lodash/mergeWith.js b/web/public/node_modules/lodash/mergeWith.js
new file mode 100644
index 000000000..1b43a2c4a
--- /dev/null
+++ b/web/public/node_modules/lodash/mergeWith.js
@@ -0,0 +1,39 @@
+var baseMerge = require('./_baseMerge'),
+    createAssigner = require('./_createAssigner');
+
+/**
+ * This method is like `_.merge` except that it accepts `customizer` which
+ * is invoked to produce the merged values of the destination and source
+ * properties. If `customizer` returns `undefined`, merging is handled by the
+ * method instead. The `customizer` is invoked with six arguments:
+ * (objValue, srcValue, key, object, source, stack).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The destination object.
+ * @param {...Object} sources The source objects.
+ * @param {Function} customizer The function to customize assigned values.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * function customizer(objValue, srcValue) {
+ *   if (_.isArray(objValue)) {
+ *     return objValue.concat(srcValue);
+ *   }
+ * }
+ *
+ * var object = { 'a': [1], 'b': [2] };
+ * var other = { 'a': [3], 'b': [4] };
+ *
+ * _.mergeWith(object, other, customizer);
+ * // => { 'a': [1, 3], 'b': [2, 4] }
+ */
+var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
+  baseMerge(object, source, srcIndex, customizer);
+});
+
+module.exports = mergeWith;
diff --git a/web/public/node_modules/lodash/method.js b/web/public/node_modules/lodash/method.js
new file mode 100644
index 000000000..23ec32d55
--- /dev/null
+++ b/web/public/node_modules/lodash/method.js
@@ -0,0 +1,34 @@
+var baseInvoke = require('./_baseInvoke'),
+    baseRest = require('./_baseRest');
+
+/**
+ * Creates a function that invokes the method at `path` of a given object.
+ * Any additional arguments are provided to the invoked method.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.7.0
+ * @category Util
+ * @param {Array|string} path The path of the method to invoke.
+ * @param {...*} [args] The arguments to invoke the method with.
+ * @returns {Function} Returns the new invoker function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': { 'b': _.constant(2) } },
+ *   { 'a': { 'b': _.constant(1) } }
+ * ];
+ *
+ * _.map(objects, _.method('a.b'));
+ * // => [2, 1]
+ *
+ * _.map(objects, _.method(['a', 'b']));
+ * // => [2, 1]
+ */
+var method = baseRest(function(path, args) {
+  return function(object) {
+    return baseInvoke(object, path, args);
+  };
+});
+
+module.exports = method;
diff --git a/web/public/node_modules/lodash/methodOf.js b/web/public/node_modules/lodash/methodOf.js
new file mode 100644
index 000000000..df59b57f3
--- /dev/null
+++ b/web/public/node_modules/lodash/methodOf.js
@@ -0,0 +1,33 @@
+var baseInvoke = require('./_baseInvoke'),
+    baseRest = require('./_baseRest');
+
+/**
+ * The opposite of `_.method`; this method creates a function that invokes
+ * the method at a given path of `object`. Any additional arguments are
+ * provided to the invoked method.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.7.0
+ * @category Util
+ * @param {Object} object The object to query.
+ * @param {...*} [args] The arguments to invoke the method with.
+ * @returns {Function} Returns the new invoker function.
+ * @example
+ *
+ * var array = _.times(3, _.constant),
+ *     object = { 'a': array, 'b': array, 'c': array };
+ *
+ * _.map(['a[2]', 'c[0]'], _.methodOf(object));
+ * // => [2, 0]
+ *
+ * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
+ * // => [2, 0]
+ */
+var methodOf = baseRest(function(object, args) {
+  return function(path) {
+    return baseInvoke(object, path, args);
+  };
+});
+
+module.exports = methodOf;
diff --git a/web/public/node_modules/lodash/min.js b/web/public/node_modules/lodash/min.js
new file mode 100644
index 000000000..428f571d7
--- /dev/null
+++ b/web/public/node_modules/lodash/min.js
@@ -0,0 +1,29 @@
+var baseExtremum = require('./_baseExtremum'),
+    baseLt = require('./_baseLt'),
+    identity = require('./identity');
+
+/**
+ * Computes the minimum value of `array`. If `array` is empty or falsey,
+ * `undefined` is returned.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @returns {*} Returns the minimum value.
+ * @example
+ *
+ * _.min([4, 2, 8, 6]);
+ * // => 2
+ *
+ * _.min([]);
+ * // => undefined
+ */
+function min(array) {
+  return (array && array.length)
+    ? baseExtremum(array, identity, baseLt)
+    : undefined;
+}
+
+module.exports = min;
diff --git a/web/public/node_modules/lodash/minBy.js b/web/public/node_modules/lodash/minBy.js
new file mode 100644
index 000000000..b2697e49a
--- /dev/null
+++ b/web/public/node_modules/lodash/minBy.js
@@ -0,0 +1,34 @@
+var baseExtremum = require('./_baseExtremum'),
+    baseIteratee = require('./_baseIteratee'),
+    baseLt = require('./_baseLt');
+
+/**
+ * This method is like `_.min` except that it accepts `iteratee` which is
+ * invoked for each element in `array` to generate the criterion by which
+ * the value is ranked. The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {*} Returns the minimum value.
+ * @example
+ *
+ * var objects = [{ 'n': 1 }, { 'n': 2 }];
+ *
+ * _.minBy(objects, function(o) { return o.n; });
+ * // => { 'n': 1 }
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.minBy(objects, 'n');
+ * // => { 'n': 1 }
+ */
+function minBy(array, iteratee) {
+  return (array && array.length)
+    ? baseExtremum(array, baseIteratee(iteratee, 2), baseLt)
+    : undefined;
+}
+
+module.exports = minBy;
diff --git a/web/public/node_modules/lodash/mixin.js b/web/public/node_modules/lodash/mixin.js
new file mode 100644
index 000000000..6dc967467
--- /dev/null
+++ b/web/public/node_modules/lodash/mixin.js
@@ -0,0 +1,74 @@
+var arrayEach = require('./_arrayEach'),
+    arrayPush = require('./_arrayPush'),
+    baseFunctions = require('./_baseFunctions'),
+    copyArray = require('./_copyArray'),
+    isFunction = require('./isFunction'),
+    isObject = require('./isObject'),
+    keys = require('./keys');
+
+/**
+ * Adds all own enumerable string keyed function properties of a source
+ * object to the destination object. If `object` is a function, then methods
+ * are added to its prototype as well.
+ *
+ * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+ * avoid conflicts caused by modifying the original.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {Function|Object} [object=lodash] The destination object.
+ * @param {Object} source The object of functions to add.
+ * @param {Object} [options={}] The options object.
+ * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
+ * @returns {Function|Object} Returns `object`.
+ * @example
+ *
+ * function vowels(string) {
+ *   return _.filter(string, function(v) {
+ *     return /[aeiou]/i.test(v);
+ *   });
+ * }
+ *
+ * _.mixin({ 'vowels': vowels });
+ * _.vowels('fred');
+ * // => ['e']
+ *
+ * _('fred').vowels().value();
+ * // => ['e']
+ *
+ * _.mixin({ 'vowels': vowels }, { 'chain': false });
+ * _('fred').vowels();
+ * // => ['e']
+ */
+function mixin(object, source, options) {
+  var props = keys(source),
+      methodNames = baseFunctions(source, props);
+
+  var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
+      isFunc = isFunction(object);
+
+  arrayEach(methodNames, function(methodName) {
+    var func = source[methodName];
+    object[methodName] = func;
+    if (isFunc) {
+      object.prototype[methodName] = function() {
+        var chainAll = this.__chain__;
+        if (chain || chainAll) {
+          var result = object(this.__wrapped__),
+              actions = result.__actions__ = copyArray(this.__actions__);
+
+          actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
+          result.__chain__ = chainAll;
+          return result;
+        }
+        return func.apply(object, arrayPush([this.value()], arguments));
+      };
+    }
+  });
+
+  return object;
+}
+
+module.exports = mixin;
diff --git a/web/public/node_modules/lodash/multiply.js b/web/public/node_modules/lodash/multiply.js
new file mode 100644
index 000000000..d7876e139
--- /dev/null
+++ b/web/public/node_modules/lodash/multiply.js
@@ -0,0 +1,22 @@
+var createMathOperation = require('./_createMathOperation');
+
+/**
+ * Multiply two numbers.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.7.0
+ * @category Math
+ * @param {number} multiplier The first number in a multiplication.
+ * @param {number} multiplicand The second number in a multiplication.
+ * @returns {number} Returns the product.
+ * @example
+ *
+ * _.multiply(6, 4);
+ * // => 24
+ */
+var multiply = createMathOperation(function(multiplier, multiplicand) {
+  return multiplier * multiplicand;
+}, 1);
+
+module.exports = multiply;
diff --git a/web/public/node_modules/lodash/negate.js b/web/public/node_modules/lodash/negate.js
new file mode 100644
index 000000000..5a65cd1fb
--- /dev/null
+++ b/web/public/node_modules/lodash/negate.js
@@ -0,0 +1,40 @@
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * Creates a function that negates the result of the predicate `func`. The
+ * `func` predicate is invoked with the `this` binding and arguments of the
+ * created function.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Function
+ * @param {Function} predicate The predicate to negate.
+ * @returns {Function} Returns the new negated function.
+ * @example
+ *
+ * function isEven(n) {
+ *   return n % 2 == 0;
+ * }
+ *
+ * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+ * // => [1, 3, 5]
+ */
+function negate(predicate) {
+  if (typeof predicate != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  return function() {
+    var args = arguments;
+    switch (args.length) {
+      case 0: return !predicate.call(this);
+      case 1: return !predicate.call(this, args[0]);
+      case 2: return !predicate.call(this, args[0], args[1]);
+      case 3: return !predicate.call(this, args[0], args[1], args[2]);
+    }
+    return !predicate.apply(this, args);
+  };
+}
+
+module.exports = negate;
diff --git a/web/public/node_modules/lodash/next.js b/web/public/node_modules/lodash/next.js
new file mode 100644
index 000000000..55f949c8c
--- /dev/null
+++ b/web/public/node_modules/lodash/next.js
@@ -0,0 +1,35 @@
+var toArray = require('./toArray');
+
+/**
+ * Gets the next value on a wrapped object following the
+ * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
+ *
+ * @name next
+ * @memberOf _
+ * @since 4.0.0
+ * @category Seq
+ * @returns {Object} Returns the next iterator value.
+ * @example
+ *
+ * var wrapped = _([1, 2]);
+ *
+ * wrapped.next();
+ * // => { 'done': false, 'value': 1 }
+ *
+ * wrapped.next();
+ * // => { 'done': false, 'value': 2 }
+ *
+ * wrapped.next();
+ * // => { 'done': true, 'value': undefined }
+ */
+function wrapperNext() {
+  if (this.__values__ === undefined) {
+    this.__values__ = toArray(this.value());
+  }
+  var done = this.__index__ >= this.__values__.length,
+      value = done ? undefined : this.__values__[this.__index__++];
+
+  return { 'done': done, 'value': value };
+}
+
+module.exports = wrapperNext;
diff --git a/web/public/node_modules/lodash/noop.js b/web/public/node_modules/lodash/noop.js
new file mode 100644
index 000000000..3c0862ee6
--- /dev/null
+++ b/web/public/node_modules/lodash/noop.js
@@ -0,0 +1,17 @@
+/**
+ * This method returns `undefined`.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.3.0
+ * @category Util
+ * @example
+ *
+ * _.times(2, _.noop);
+ * // => [undefined, undefined]
+ */
+function noop() {
+  // No operation performed.
+}
+
+module.exports = noop;
diff --git a/web/public/node_modules/lodash/now.js b/web/public/node_modules/lodash/now.js
new file mode 100644
index 000000000..44a05623f
--- /dev/null
+++ b/web/public/node_modules/lodash/now.js
@@ -0,0 +1,23 @@
+var root = require('./_root');
+
+/**
+ * Gets the timestamp of the number of milliseconds that have elapsed since
+ * the Unix epoch (1 January 1970 00:00:00 UTC).
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Date
+ * @returns {number} Returns the timestamp.
+ * @example
+ *
+ * _.defer(function(stamp) {
+ *   console.log(_.now() - stamp);
+ * }, _.now());
+ * // => Logs the number of milliseconds it took for the deferred invocation.
+ */
+var now = function() {
+  return root.Date.now();
+};
+
+module.exports = now;
diff --git a/web/public/node_modules/lodash/nth.js b/web/public/node_modules/lodash/nth.js
new file mode 100644
index 000000000..8a344dee5
--- /dev/null
+++ b/web/public/node_modules/lodash/nth.js
@@ -0,0 +1,29 @@
+var baseNth = require('./_baseNth'),
+    toInteger = require('./toInteger');
+
+/**
+ * Gets the element at index `n` of `array`. If `n` is negative, the nth
+ * element from the end is returned.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.11.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {number} [n=0] The index of the element to return.
+ * @returns {*} Returns the nth element of `array`.
+ * @example
+ *
+ * var array = ['a', 'b', 'c', 'd'];
+ *
+ * _.nth(array, 1);
+ * // => 'b'
+ *
+ * _.nth(array, -2);
+ * // => 'c';
+ */
+function nth(array, n) {
+  return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
+}
+
+module.exports = nth;
diff --git a/web/public/node_modules/lodash/nthArg.js b/web/public/node_modules/lodash/nthArg.js
new file mode 100644
index 000000000..09406ddf4
--- /dev/null
+++ b/web/public/node_modules/lodash/nthArg.js
@@ -0,0 +1,32 @@
+var baseNth = require('./_baseNth'),
+    baseRest = require('./_baseRest'),
+    toInteger = require('./toInteger');
+
+/**
+ * Creates a function that gets the argument at index `n`. If `n` is negative,
+ * the nth argument from the end is returned.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {number} [n=0] The index of the argument to return.
+ * @returns {Function} Returns the new pass-thru function.
+ * @example
+ *
+ * var func = _.nthArg(1);
+ * func('a', 'b', 'c', 'd');
+ * // => 'b'
+ *
+ * var func = _.nthArg(-2);
+ * func('a', 'b', 'c', 'd');
+ * // => 'c'
+ */
+function nthArg(n) {
+  n = toInteger(n);
+  return baseRest(function(args) {
+    return baseNth(args, n);
+  });
+}
+
+module.exports = nthArg;
diff --git a/web/public/node_modules/lodash/number.js b/web/public/node_modules/lodash/number.js
new file mode 100644
index 000000000..c3b01008a
--- /dev/null
+++ b/web/public/node_modules/lodash/number.js
@@ -0,0 +1,5 @@
+module.exports = {
+  'clamp': require('./clamp'),
+  'inRange': require('./inRange'),
+  'random': require('./random')
+};
diff --git a/web/public/node_modules/lodash/object.js b/web/public/node_modules/lodash/object.js
new file mode 100644
index 000000000..f046b05f7
--- /dev/null
+++ b/web/public/node_modules/lodash/object.js
@@ -0,0 +1,49 @@
+module.exports = {
+  'assign': require('./assign'),
+  'assignIn': require('./assignIn'),
+  'assignInWith': require('./assignInWith'),
+  'assignWith': require('./assignWith'),
+  'at': require('./at'),
+  'create': require('./create'),
+  'defaults': require('./defaults'),
+  'defaultsDeep': require('./defaultsDeep'),
+  'entries': require('./entries'),
+  'entriesIn': require('./entriesIn'),
+  'extend': require('./extend'),
+  'extendWith': require('./extendWith'),
+  'findKey': require('./findKey'),
+  'findLastKey': require('./findLastKey'),
+  'forIn': require('./forIn'),
+  'forInRight': require('./forInRight'),
+  'forOwn': require('./forOwn'),
+  'forOwnRight': require('./forOwnRight'),
+  'functions': require('./functions'),
+  'functionsIn': require('./functionsIn'),
+  'get': require('./get'),
+  'has': require('./has'),
+  'hasIn': require('./hasIn'),
+  'invert': require('./invert'),
+  'invertBy': require('./invertBy'),
+  'invoke': require('./invoke'),
+  'keys': require('./keys'),
+  'keysIn': require('./keysIn'),
+  'mapKeys': require('./mapKeys'),
+  'mapValues': require('./mapValues'),
+  'merge': require('./merge'),
+  'mergeWith': require('./mergeWith'),
+  'omit': require('./omit'),
+  'omitBy': require('./omitBy'),
+  'pick': require('./pick'),
+  'pickBy': require('./pickBy'),
+  'result': require('./result'),
+  'set': require('./set'),
+  'setWith': require('./setWith'),
+  'toPairs': require('./toPairs'),
+  'toPairsIn': require('./toPairsIn'),
+  'transform': require('./transform'),
+  'unset': require('./unset'),
+  'update': require('./update'),
+  'updateWith': require('./updateWith'),
+  'values': require('./values'),
+  'valuesIn': require('./valuesIn')
+};
diff --git a/web/public/node_modules/lodash/omit.js b/web/public/node_modules/lodash/omit.js
new file mode 100644
index 000000000..97f5f546f
--- /dev/null
+++ b/web/public/node_modules/lodash/omit.js
@@ -0,0 +1,57 @@
+var arrayMap = require('./_arrayMap'),
+    baseClone = require('./_baseClone'),
+    baseUnset = require('./_baseUnset'),
+    castPath = require('./_castPath'),
+    copyObject = require('./_copyObject'),
+    customOmitClone = require('./_customOmitClone'),
+    flatRest = require('./_flatRest'),
+    getAllKeysIn = require('./_getAllKeysIn');
+
+/** Used to compose bitmasks for cloning. */
+var CLONE_DEEP_FLAG = 1,
+    CLONE_FLAT_FLAG = 2,
+    CLONE_SYMBOLS_FLAG = 4;
+
+/**
+ * The opposite of `_.pick`; this method creates an object composed of the
+ * own and inherited enumerable property paths of `object` that are not omitted.
+ *
+ * **Note:** This method is considerably slower than `_.pick`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The source object.
+ * @param {...(string|string[])} [paths] The property paths to omit.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': '2', 'c': 3 };
+ *
+ * _.omit(object, ['a', 'c']);
+ * // => { 'b': '2' }
+ */
+var omit = flatRest(function(object, paths) {
+  var result = {};
+  if (object == null) {
+    return result;
+  }
+  var isDeep = false;
+  paths = arrayMap(paths, function(path) {
+    path = castPath(path, object);
+    isDeep || (isDeep = path.length > 1);
+    return path;
+  });
+  copyObject(object, getAllKeysIn(object), result);
+  if (isDeep) {
+    result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
+  }
+  var length = paths.length;
+  while (length--) {
+    baseUnset(result, paths[length]);
+  }
+  return result;
+});
+
+module.exports = omit;
diff --git a/web/public/node_modules/lodash/omitBy.js b/web/public/node_modules/lodash/omitBy.js
new file mode 100644
index 000000000..a064036eb
--- /dev/null
+++ b/web/public/node_modules/lodash/omitBy.js
@@ -0,0 +1,29 @@
+var baseIteratee = require('./_baseIteratee'),
+    negate = require('./negate'),
+    pickBy = require('./pickBy');
+
+/**
+ * The opposite of `_.pickBy`; this method creates an object composed of
+ * the own and inherited enumerable string keyed properties of `object` that
+ * `predicate` doesn't return truthy for. The predicate is invoked with two
+ * arguments: (value, key).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The source object.
+ * @param {Function} [predicate=_.identity] The function invoked per property.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': '2', 'c': 3 };
+ *
+ * _.omitBy(object, _.isNumber);
+ * // => { 'b': '2' }
+ */
+function omitBy(object, predicate) {
+  return pickBy(object, negate(baseIteratee(predicate)));
+}
+
+module.exports = omitBy;
diff --git a/web/public/node_modules/lodash/once.js b/web/public/node_modules/lodash/once.js
new file mode 100644
index 000000000..0706fc3cb
--- /dev/null
+++ b/web/public/node_modules/lodash/once.js
@@ -0,0 +1,25 @@
+var before = require('./before');
+
+/**
+ * Creates a function that is restricted to invoking `func` once. Repeat calls
+ * to the function return the value of the first invocation. The `func` is
+ * invoked with the `this` binding and arguments of the created function.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to restrict.
+ * @returns {Function} Returns the new restricted function.
+ * @example
+ *
+ * var initialize = _.once(createApplication);
+ * initialize();
+ * initialize();
+ * // => `createApplication` is invoked once
+ */
+function once(func) {
+  return before(2, func);
+}
+
+module.exports = once;
diff --git a/web/public/node_modules/lodash/orderBy.js b/web/public/node_modules/lodash/orderBy.js
new file mode 100644
index 000000000..7195c8c73
--- /dev/null
+++ b/web/public/node_modules/lodash/orderBy.js
@@ -0,0 +1,47 @@
+var baseOrderBy = require('./_baseOrderBy'),
+    isArray = require('./isArray');
+
+/**
+ * This method is like `_.sortBy` except that it allows specifying the sort
+ * orders of the iteratees to sort by. If `orders` is unspecified, all values
+ * are sorted in ascending order. Otherwise, specify an order of "desc" for
+ * descending or "asc" for ascending sort order of corresponding values.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
+ *  The iteratees to sort by.
+ * @param {string[]} [orders] The sort orders of `iteratees`.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+ * @returns {Array} Returns the new sorted array.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'fred',   'age': 48 },
+ *   { 'user': 'barney', 'age': 34 },
+ *   { 'user': 'fred',   'age': 40 },
+ *   { 'user': 'barney', 'age': 36 }
+ * ];
+ *
+ * // Sort by `user` in ascending order and by `age` in descending order.
+ * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
+ * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+ */
+function orderBy(collection, iteratees, orders, guard) {
+  if (collection == null) {
+    return [];
+  }
+  if (!isArray(iteratees)) {
+    iteratees = iteratees == null ? [] : [iteratees];
+  }
+  orders = guard ? undefined : orders;
+  if (!isArray(orders)) {
+    orders = orders == null ? [] : [orders];
+  }
+  return baseOrderBy(collection, iteratees, orders);
+}
+
+module.exports = orderBy;
diff --git a/web/public/node_modules/lodash/over.js b/web/public/node_modules/lodash/over.js
new file mode 100644
index 000000000..bea2f91f8
--- /dev/null
+++ b/web/public/node_modules/lodash/over.js
@@ -0,0 +1,24 @@
+var arrayMap = require('./_arrayMap'),
+    createOver = require('./_createOver');
+
+/**
+ * Creates a function that invokes `iteratees` with the arguments it receives
+ * and returns their results.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {...(Function|Function[])} [iteratees=[_.identity]]
+ *  The iteratees to invoke.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var func = _.over([Math.max, Math.min]);
+ *
+ * func(1, 2, 3, 4);
+ * // => [4, 1]
+ */
+var over = createOver(arrayMap);
+
+module.exports = over;
diff --git a/web/public/node_modules/lodash/overArgs.js b/web/public/node_modules/lodash/overArgs.js
new file mode 100644
index 000000000..f0067dbd3
--- /dev/null
+++ b/web/public/node_modules/lodash/overArgs.js
@@ -0,0 +1,61 @@
+var apply = require('./_apply'),
+    arrayMap = require('./_arrayMap'),
+    baseFlatten = require('./_baseFlatten'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest'),
+    baseUnary = require('./_baseUnary'),
+    castRest = require('./_castRest'),
+    isArray = require('./isArray');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min;
+
+/**
+ * Creates a function that invokes `func` with its arguments transformed.
+ *
+ * @static
+ * @since 4.0.0
+ * @memberOf _
+ * @category Function
+ * @param {Function} func The function to wrap.
+ * @param {...(Function|Function[])} [transforms=[_.identity]]
+ *  The argument transforms.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * function doubled(n) {
+ *   return n * 2;
+ * }
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var func = _.overArgs(function(x, y) {
+ *   return [x, y];
+ * }, [square, doubled]);
+ *
+ * func(9, 3);
+ * // => [81, 6]
+ *
+ * func(10, 5);
+ * // => [100, 10]
+ */
+var overArgs = castRest(function(func, transforms) {
+  transforms = (transforms.length == 1 && isArray(transforms[0]))
+    ? arrayMap(transforms[0], baseUnary(baseIteratee))
+    : arrayMap(baseFlatten(transforms, 1), baseUnary(baseIteratee));
+
+  var funcsLength = transforms.length;
+  return baseRest(function(args) {
+    var index = -1,
+        length = nativeMin(args.length, funcsLength);
+
+    while (++index < length) {
+      args[index] = transforms[index].call(this, args[index]);
+    }
+    return apply(func, this, args);
+  });
+});
+
+module.exports = overArgs;
diff --git a/web/public/node_modules/lodash/overEvery.js b/web/public/node_modules/lodash/overEvery.js
new file mode 100644
index 000000000..fb19d13ed
--- /dev/null
+++ b/web/public/node_modules/lodash/overEvery.js
@@ -0,0 +1,34 @@
+var arrayEvery = require('./_arrayEvery'),
+    createOver = require('./_createOver');
+
+/**
+ * Creates a function that checks if **all** of the `predicates` return
+ * truthy when invoked with the arguments it receives.
+ *
+ * Following shorthands are possible for providing predicates.
+ * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
+ * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {...(Function|Function[])} [predicates=[_.identity]]
+ *  The predicates to check.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var func = _.overEvery([Boolean, isFinite]);
+ *
+ * func('1');
+ * // => true
+ *
+ * func(null);
+ * // => false
+ *
+ * func(NaN);
+ * // => false
+ */
+var overEvery = createOver(arrayEvery);
+
+module.exports = overEvery;
diff --git a/web/public/node_modules/lodash/overSome.js b/web/public/node_modules/lodash/overSome.js
new file mode 100644
index 000000000..414ab66b9
--- /dev/null
+++ b/web/public/node_modules/lodash/overSome.js
@@ -0,0 +1,37 @@
+var arraySome = require('./_arraySome'),
+    createOver = require('./_createOver');
+
+/**
+ * Creates a function that checks if **any** of the `predicates` return
+ * truthy when invoked with the arguments it receives.
+ *
+ * Following shorthands are possible for providing predicates.
+ * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
+ * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {...(Function|Function[])} [predicates=[_.identity]]
+ *  The predicates to check.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var func = _.overSome([Boolean, isFinite]);
+ *
+ * func('1');
+ * // => true
+ *
+ * func(null);
+ * // => true
+ *
+ * func(NaN);
+ * // => false
+ *
+ * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])
+ * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])
+ */
+var overSome = createOver(arraySome);
+
+module.exports = overSome;
diff --git a/web/public/node_modules/lodash/package.json b/web/public/node_modules/lodash/package.json
new file mode 100644
index 000000000..b35fd95cc
--- /dev/null
+++ b/web/public/node_modules/lodash/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "lodash",
+  "version": "4.17.21",
+  "description": "Lodash modular utilities.",
+  "keywords": "modules, stdlib, util",
+  "homepage": "https://lodash.com/",
+  "repository": "lodash/lodash",
+  "icon": "https://lodash.com/icon.svg",
+  "license": "MIT",
+  "main": "lodash.js",
+  "author": "John-David Dalton <john.david.dalton@gmail.com>",
+  "contributors": [
+    "John-David Dalton <john.david.dalton@gmail.com>",
+    "Mathias Bynens <mathias@qiwi.be>"
+  ],
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash-archive/lodash-cli for testing details.\"" }
+}
diff --git a/web/public/node_modules/lodash/pad.js b/web/public/node_modules/lodash/pad.js
new file mode 100644
index 000000000..77e1f1c1a
--- /dev/null
+++ b/web/public/node_modules/lodash/pad.js
@@ -0,0 +1,49 @@
+var createPadding = require('./_createPadding'),
+    stringSize = require('./_stringSize'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil,
+    nativeFloor = Math.floor;
+
+/**
+ * Pads `string` on the left and right sides if it's shorter than `length`.
+ * Padding characters are truncated if they can't be evenly divided by `length`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to pad.
+ * @param {number} [length=0] The padding length.
+ * @param {string} [chars=' '] The string used as padding.
+ * @returns {string} Returns the padded string.
+ * @example
+ *
+ * _.pad('abc', 8);
+ * // => '  abc   '
+ *
+ * _.pad('abc', 8, '_-');
+ * // => '_-abc_-_'
+ *
+ * _.pad('abc', 3);
+ * // => 'abc'
+ */
+function pad(string, length, chars) {
+  string = toString(string);
+  length = toInteger(length);
+
+  var strLength = length ? stringSize(string) : 0;
+  if (!length || strLength >= length) {
+    return string;
+  }
+  var mid = (length - strLength) / 2;
+  return (
+    createPadding(nativeFloor(mid), chars) +
+    string +
+    createPadding(nativeCeil(mid), chars)
+  );
+}
+
+module.exports = pad;
diff --git a/web/public/node_modules/lodash/padEnd.js b/web/public/node_modules/lodash/padEnd.js
new file mode 100644
index 000000000..224eb80e9
--- /dev/null
+++ b/web/public/node_modules/lodash/padEnd.js
@@ -0,0 +1,39 @@
+var createPadding = require('./_createPadding'),
+    stringSize = require('./_stringSize'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/**
+ * Pads `string` on the right side if it's shorter than `length`. Padding
+ * characters are truncated if they exceed `length`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to pad.
+ * @param {number} [length=0] The padding length.
+ * @param {string} [chars=' '] The string used as padding.
+ * @returns {string} Returns the padded string.
+ * @example
+ *
+ * _.padEnd('abc', 6);
+ * // => 'abc   '
+ *
+ * _.padEnd('abc', 6, '_-');
+ * // => 'abc_-_'
+ *
+ * _.padEnd('abc', 3);
+ * // => 'abc'
+ */
+function padEnd(string, length, chars) {
+  string = toString(string);
+  length = toInteger(length);
+
+  var strLength = length ? stringSize(string) : 0;
+  return (length && strLength < length)
+    ? (string + createPadding(length - strLength, chars))
+    : string;
+}
+
+module.exports = padEnd;
diff --git a/web/public/node_modules/lodash/padStart.js b/web/public/node_modules/lodash/padStart.js
new file mode 100644
index 000000000..f991866bf
--- /dev/null
+++ b/web/public/node_modules/lodash/padStart.js
@@ -0,0 +1,39 @@
+var createPadding = require('./_createPadding'),
+    stringSize = require('./_stringSize'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/**
+ * Pads `string` on the left side if it's shorter than `length`. Padding
+ * characters are truncated if they exceed `length`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to pad.
+ * @param {number} [length=0] The padding length.
+ * @param {string} [chars=' '] The string used as padding.
+ * @returns {string} Returns the padded string.
+ * @example
+ *
+ * _.padStart('abc', 6);
+ * // => '   abc'
+ *
+ * _.padStart('abc', 6, '_-');
+ * // => '_-_abc'
+ *
+ * _.padStart('abc', 3);
+ * // => 'abc'
+ */
+function padStart(string, length, chars) {
+  string = toString(string);
+  length = toInteger(length);
+
+  var strLength = length ? stringSize(string) : 0;
+  return (length && strLength < length)
+    ? (createPadding(length - strLength, chars) + string)
+    : string;
+}
+
+module.exports = padStart;
diff --git a/web/public/node_modules/lodash/parseInt.js b/web/public/node_modules/lodash/parseInt.js
new file mode 100644
index 000000000..b89ac6394
--- /dev/null
+++ b/web/public/node_modules/lodash/parseInt.js
@@ -0,0 +1,43 @@
+var root = require('./_root'),
+    toString = require('./toString');
+
+/** Used to match leading whitespace. */
+var reTrimStart = /^\s+/;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeParseInt = root.parseInt;
+
+/**
+ * Converts `string` to an integer of the specified radix. If `radix` is
+ * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
+ * hexadecimal, in which case a `radix` of `16` is used.
+ *
+ * **Note:** This method aligns with the
+ * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.1.0
+ * @category String
+ * @param {string} string The string to convert.
+ * @param {number} [radix=10] The radix to interpret `value` by.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {number} Returns the converted integer.
+ * @example
+ *
+ * _.parseInt('08');
+ * // => 8
+ *
+ * _.map(['6', '08', '10'], _.parseInt);
+ * // => [6, 8, 10]
+ */
+function parseInt(string, radix, guard) {
+  if (guard || radix == null) {
+    radix = 0;
+  } else if (radix) {
+    radix = +radix;
+  }
+  return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
+}
+
+module.exports = parseInt;
diff --git a/web/public/node_modules/lodash/partial.js b/web/public/node_modules/lodash/partial.js
new file mode 100644
index 000000000..05fe8d3c8
--- /dev/null
+++ b/web/public/node_modules/lodash/partial.js
@@ -0,0 +1,50 @@
+var baseRest = require('./_baseRest'),
+    createWrap = require('./_createWrap'),
+    getHolder = require('./_getHolder'),
+    replaceHolders = require('./_replaceHolders');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_PARTIAL_FLAG = 32;
+
+/**
+ * Creates a function that invokes `func` with `partials` prepended to the
+ * arguments it receives. This method is like `_.bind` except it does **not**
+ * alter the `this` binding.
+ *
+ * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+ * builds, may be used as a placeholder for partially applied arguments.
+ *
+ * **Note:** This method doesn't set the "length" property of partially
+ * applied functions.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.2.0
+ * @category Function
+ * @param {Function} func The function to partially apply arguments to.
+ * @param {...*} [partials] The arguments to be partially applied.
+ * @returns {Function} Returns the new partially applied function.
+ * @example
+ *
+ * function greet(greeting, name) {
+ *   return greeting + ' ' + name;
+ * }
+ *
+ * var sayHelloTo = _.partial(greet, 'hello');
+ * sayHelloTo('fred');
+ * // => 'hello fred'
+ *
+ * // Partially applied with placeholders.
+ * var greetFred = _.partial(greet, _, 'fred');
+ * greetFred('hi');
+ * // => 'hi fred'
+ */
+var partial = baseRest(function(func, partials) {
+  var holders = replaceHolders(partials, getHolder(partial));
+  return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
+});
+
+// Assign default placeholders.
+partial.placeholder = {};
+
+module.exports = partial;
diff --git a/web/public/node_modules/lodash/partialRight.js b/web/public/node_modules/lodash/partialRight.js
new file mode 100644
index 000000000..eee031f6d
--- /dev/null
+++ b/web/public/node_modules/lodash/partialRight.js
@@ -0,0 +1,49 @@
+var baseRest = require('./_baseRest'),
+    createWrap = require('./_createWrap'),
+    getHolder = require('./_getHolder'),
+    replaceHolders = require('./_replaceHolders');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_PARTIAL_RIGHT_FLAG = 64;
+
+/**
+ * This method is like `_.partial` except that partially applied arguments
+ * are appended to the arguments it receives.
+ *
+ * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+ * builds, may be used as a placeholder for partially applied arguments.
+ *
+ * **Note:** This method doesn't set the "length" property of partially
+ * applied functions.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.0.0
+ * @category Function
+ * @param {Function} func The function to partially apply arguments to.
+ * @param {...*} [partials] The arguments to be partially applied.
+ * @returns {Function} Returns the new partially applied function.
+ * @example
+ *
+ * function greet(greeting, name) {
+ *   return greeting + ' ' + name;
+ * }
+ *
+ * var greetFred = _.partialRight(greet, 'fred');
+ * greetFred('hi');
+ * // => 'hi fred'
+ *
+ * // Partially applied with placeholders.
+ * var sayHelloTo = _.partialRight(greet, 'hello', _);
+ * sayHelloTo('fred');
+ * // => 'hello fred'
+ */
+var partialRight = baseRest(function(func, partials) {
+  var holders = replaceHolders(partials, getHolder(partialRight));
+  return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+});
+
+// Assign default placeholders.
+partialRight.placeholder = {};
+
+module.exports = partialRight;
diff --git a/web/public/node_modules/lodash/partition.js b/web/public/node_modules/lodash/partition.js
new file mode 100644
index 000000000..6b814a9f2
--- /dev/null
+++ b/web/public/node_modules/lodash/partition.js
@@ -0,0 +1,43 @@
+var createAggregator = require('./_createAggregator');
+
+/**
+ * Creates an array of elements split into two groups, the first of which
+ * contains elements `predicate` returns truthy for, the second of which
+ * contains elements `predicate` returns falsey for. The predicate is
+ * invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the array of grouped elements.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'age': 36, 'active': false },
+ *   { 'user': 'fred',    'age': 40, 'active': true },
+ *   { 'user': 'pebbles', 'age': 1,  'active': false }
+ * ];
+ *
+ * _.partition(users, function(o) { return o.active; });
+ * // => objects for [['fred'], ['barney', 'pebbles']]
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.partition(users, { 'age': 1, 'active': false });
+ * // => objects for [['pebbles'], ['barney', 'fred']]
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.partition(users, ['active', false]);
+ * // => objects for [['barney', 'pebbles'], ['fred']]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.partition(users, 'active');
+ * // => objects for [['fred'], ['barney', 'pebbles']]
+ */
+var partition = createAggregator(function(result, value, key) {
+  result[key ? 0 : 1].push(value);
+}, function() { return [[], []]; });
+
+module.exports = partition;
diff --git a/web/public/node_modules/lodash/pick.js b/web/public/node_modules/lodash/pick.js
new file mode 100644
index 000000000..3160199f0
--- /dev/null
+++ b/web/public/node_modules/lodash/pick.js
@@ -0,0 +1,25 @@
+var basePick = require('./_basePick'),
+    flatRest = require('./_flatRest');
+
+/**
+ * Creates an object composed of the picked `object` properties.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The source object.
+ * @param {...(string|string[])} [paths] The property paths to pick.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': '2', 'c': 3 };
+ *
+ * _.pick(object, ['a', 'c']);
+ * // => { 'a': 1, 'c': 3 }
+ */
+var pick = flatRest(function(object, paths) {
+  return object == null ? {} : basePick(object, paths);
+});
+
+module.exports = pick;
diff --git a/web/public/node_modules/lodash/pickBy.js b/web/public/node_modules/lodash/pickBy.js
new file mode 100644
index 000000000..ae7c271ea
--- /dev/null
+++ b/web/public/node_modules/lodash/pickBy.js
@@ -0,0 +1,37 @@
+var arrayMap = require('./_arrayMap'),
+    baseIteratee = require('./_baseIteratee'),
+    basePickBy = require('./_basePickBy'),
+    getAllKeysIn = require('./_getAllKeysIn');
+
+/**
+ * Creates an object composed of the `object` properties `predicate` returns
+ * truthy for. The predicate is invoked with two arguments: (value, key).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The source object.
+ * @param {Function} [predicate=_.identity] The function invoked per property.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': '2', 'c': 3 };
+ *
+ * _.pickBy(object, _.isNumber);
+ * // => { 'a': 1, 'c': 3 }
+ */
+function pickBy(object, predicate) {
+  if (object == null) {
+    return {};
+  }
+  var props = arrayMap(getAllKeysIn(object), function(prop) {
+    return [prop];
+  });
+  predicate = baseIteratee(predicate);
+  return basePickBy(object, props, function(value, path) {
+    return predicate(value, path[0]);
+  });
+}
+
+module.exports = pickBy;
diff --git a/web/public/node_modules/lodash/plant.js b/web/public/node_modules/lodash/plant.js
new file mode 100644
index 000000000..23776f323
--- /dev/null
+++ b/web/public/node_modules/lodash/plant.js
@@ -0,0 +1,48 @@
+var baseLodash = require('./_baseLodash'),
+    wrapperClone = require('./_wrapperClone');
+
+/**
+ * Creates a clone of the chain sequence planting `value` as the wrapped value.
+ *
+ * @name plant
+ * @memberOf _
+ * @since 3.2.0
+ * @category Seq
+ * @param {*} value The value to plant.
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var wrapped = _([1, 2]).map(square);
+ * var other = wrapped.plant([3, 4]);
+ *
+ * other.value();
+ * // => [9, 16]
+ *
+ * wrapped.value();
+ * // => [1, 4]
+ */
+function wrapperPlant(value) {
+  var result,
+      parent = this;
+
+  while (parent instanceof baseLodash) {
+    var clone = wrapperClone(parent);
+    clone.__index__ = 0;
+    clone.__values__ = undefined;
+    if (result) {
+      previous.__wrapped__ = clone;
+    } else {
+      result = clone;
+    }
+    var previous = clone;
+    parent = parent.__wrapped__;
+  }
+  previous.__wrapped__ = value;
+  return result;
+}
+
+module.exports = wrapperPlant;
diff --git a/web/public/node_modules/lodash/property.js b/web/public/node_modules/lodash/property.js
new file mode 100644
index 000000000..ca8202ff4
--- /dev/null
+++ b/web/public/node_modules/lodash/property.js
@@ -0,0 +1,32 @@
+var baseProperty = require('./_baseProperty'),
+    basePropertyDeep = require('./_basePropertyDeep'),
+    isKey = require('./_isKey'),
+    toKey = require('./_toKey');
+
+/**
+ * Creates a function that returns the value at `path` of a given object.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Util
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': { 'b': 2 } },
+ *   { 'a': { 'b': 1 } }
+ * ];
+ *
+ * _.map(objects, _.property('a.b'));
+ * // => [2, 1]
+ *
+ * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+ * // => [1, 2]
+ */
+function property(path) {
+  return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+}
+
+module.exports = property;
diff --git a/web/public/node_modules/lodash/propertyOf.js b/web/public/node_modules/lodash/propertyOf.js
new file mode 100644
index 000000000..384044d3f
--- /dev/null
+++ b/web/public/node_modules/lodash/propertyOf.js
@@ -0,0 +1,30 @@
+var baseGet = require('./_baseGet');
+
+/**
+ * The opposite of `_.property`; this method creates a function that returns
+ * the value at a given path of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Util
+ * @param {Object} object The object to query.
+ * @returns {Function} Returns the new accessor function.
+ * @example
+ *
+ * var array = [0, 1, 2],
+ *     object = { 'a': array, 'b': array, 'c': array };
+ *
+ * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
+ * // => [2, 0]
+ *
+ * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
+ * // => [2, 0]
+ */
+function propertyOf(object) {
+  return function(path) {
+    return object == null ? undefined : baseGet(object, path);
+  };
+}
+
+module.exports = propertyOf;
diff --git a/web/public/node_modules/lodash/pull.js b/web/public/node_modules/lodash/pull.js
new file mode 100644
index 000000000..a2efcb5e1
--- /dev/null
+++ b/web/public/node_modules/lodash/pull.js
@@ -0,0 +1,29 @@
+var baseRest = require('./_baseRest'),
+    pullAll = require('./pullAll');
+
+/**
+ * Removes all given values from `array` using
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons.
+ *
+ * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
+ * to remove elements from an array by predicate.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @param {...*} [values] The values to remove.
+ * @returns {Array} Returns `array`.
+ * @example
+ *
+ * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+ *
+ * _.pull(array, 'a', 'c');
+ * console.log(array);
+ * // => ['b', 'b']
+ */
+var pull = baseRest(pullAll);
+
+module.exports = pull;
diff --git a/web/public/node_modules/lodash/pullAll.js b/web/public/node_modules/lodash/pullAll.js
new file mode 100644
index 000000000..f4605c212
--- /dev/null
+++ b/web/public/node_modules/lodash/pullAll.js
@@ -0,0 +1,29 @@
+var basePullAll = require('./_basePullAll');
+
+/**
+ * This method is like `_.pull` except that it accepts an array of values to remove.
+ *
+ * **Note:** Unlike `_.difference`, this method mutates `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @param {Array} values The values to remove.
+ * @returns {Array} Returns `array`.
+ * @example
+ *
+ * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+ *
+ * _.pullAll(array, ['a', 'c']);
+ * console.log(array);
+ * // => ['b', 'b']
+ */
+function pullAll(array, values) {
+  return (array && array.length && values && values.length)
+    ? basePullAll(array, values)
+    : array;
+}
+
+module.exports = pullAll;
diff --git a/web/public/node_modules/lodash/pullAllBy.js b/web/public/node_modules/lodash/pullAllBy.js
new file mode 100644
index 000000000..74025e8f0
--- /dev/null
+++ b/web/public/node_modules/lodash/pullAllBy.js
@@ -0,0 +1,33 @@
+var baseIteratee = require('./_baseIteratee'),
+    basePullAll = require('./_basePullAll');
+
+/**
+ * This method is like `_.pullAll` except that it accepts `iteratee` which is
+ * invoked for each element of `array` and `values` to generate the criterion
+ * by which they're compared. The iteratee is invoked with one argument: (value).
+ *
+ * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @param {Array} values The values to remove.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Array} Returns `array`.
+ * @example
+ *
+ * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+ *
+ * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
+ * console.log(array);
+ * // => [{ 'x': 2 }]
+ */
+function pullAllBy(array, values, iteratee) {
+  return (array && array.length && values && values.length)
+    ? basePullAll(array, values, baseIteratee(iteratee, 2))
+    : array;
+}
+
+module.exports = pullAllBy;
diff --git a/web/public/node_modules/lodash/pullAllWith.js b/web/public/node_modules/lodash/pullAllWith.js
new file mode 100644
index 000000000..1d2fd9f94
--- /dev/null
+++ b/web/public/node_modules/lodash/pullAllWith.js
@@ -0,0 +1,32 @@
+var basePullAll = require('./_basePullAll');
+
+/**
+ * This method is like `_.pullAll` except that it accepts `comparator` which
+ * is invoked to compare elements of `array` to `values`. The comparator is
+ * invoked with two arguments: (arrVal, othVal).
+ *
+ * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.6.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @param {Array} values The values to remove.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns `array`.
+ * @example
+ *
+ * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
+ *
+ * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
+ * console.log(array);
+ * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
+ */
+function pullAllWith(array, values, comparator) {
+  return (array && array.length && values && values.length)
+    ? basePullAll(array, values, undefined, comparator)
+    : array;
+}
+
+module.exports = pullAllWith;
diff --git a/web/public/node_modules/lodash/pullAt.js b/web/public/node_modules/lodash/pullAt.js
new file mode 100644
index 000000000..6ed84e064
--- /dev/null
+++ b/web/public/node_modules/lodash/pullAt.js
@@ -0,0 +1,43 @@
+var arrayMap = require('./_arrayMap'),
+    baseAt = require('./_baseAt'),
+    basePullAt = require('./_basePullAt'),
+    compareAscending = require('./_compareAscending'),
+    flatRest = require('./_flatRest'),
+    isIndex = require('./_isIndex');
+
+/**
+ * Removes elements from `array` corresponding to `indexes` and returns an
+ * array of removed elements.
+ *
+ * **Note:** Unlike `_.at`, this method mutates `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @param {...(number|number[])} [indexes] The indexes of elements to remove.
+ * @returns {Array} Returns the new array of removed elements.
+ * @example
+ *
+ * var array = ['a', 'b', 'c', 'd'];
+ * var pulled = _.pullAt(array, [1, 3]);
+ *
+ * console.log(array);
+ * // => ['a', 'c']
+ *
+ * console.log(pulled);
+ * // => ['b', 'd']
+ */
+var pullAt = flatRest(function(array, indexes) {
+  var length = array == null ? 0 : array.length,
+      result = baseAt(array, indexes);
+
+  basePullAt(array, arrayMap(indexes, function(index) {
+    return isIndex(index, length) ? +index : index;
+  }).sort(compareAscending));
+
+  return result;
+});
+
+module.exports = pullAt;
diff --git a/web/public/node_modules/lodash/random.js b/web/public/node_modules/lodash/random.js
new file mode 100644
index 000000000..8067711c2
--- /dev/null
+++ b/web/public/node_modules/lodash/random.js
@@ -0,0 +1,82 @@
+var baseRandom = require('./_baseRandom'),
+    isIterateeCall = require('./_isIterateeCall'),
+    toFinite = require('./toFinite');
+
+/** Built-in method references without a dependency on `root`. */
+var freeParseFloat = parseFloat;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min,
+    nativeRandom = Math.random;
+
+/**
+ * Produces a random number between the inclusive `lower` and `upper` bounds.
+ * If only one argument is provided a number between `0` and the given number
+ * is returned. If `floating` is `true`, or either `lower` or `upper` are
+ * floats, a floating-point number is returned instead of an integer.
+ *
+ * **Note:** JavaScript follows the IEEE-754 standard for resolving
+ * floating-point values which can produce unexpected results.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.7.0
+ * @category Number
+ * @param {number} [lower=0] The lower bound.
+ * @param {number} [upper=1] The upper bound.
+ * @param {boolean} [floating] Specify returning a floating-point number.
+ * @returns {number} Returns the random number.
+ * @example
+ *
+ * _.random(0, 5);
+ * // => an integer between 0 and 5
+ *
+ * _.random(5);
+ * // => also an integer between 0 and 5
+ *
+ * _.random(5, true);
+ * // => a floating-point number between 0 and 5
+ *
+ * _.random(1.2, 5.2);
+ * // => a floating-point number between 1.2 and 5.2
+ */
+function random(lower, upper, floating) {
+  if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
+    upper = floating = undefined;
+  }
+  if (floating === undefined) {
+    if (typeof upper == 'boolean') {
+      floating = upper;
+      upper = undefined;
+    }
+    else if (typeof lower == 'boolean') {
+      floating = lower;
+      lower = undefined;
+    }
+  }
+  if (lower === undefined && upper === undefined) {
+    lower = 0;
+    upper = 1;
+  }
+  else {
+    lower = toFinite(lower);
+    if (upper === undefined) {
+      upper = lower;
+      lower = 0;
+    } else {
+      upper = toFinite(upper);
+    }
+  }
+  if (lower > upper) {
+    var temp = lower;
+    lower = upper;
+    upper = temp;
+  }
+  if (floating || lower % 1 || upper % 1) {
+    var rand = nativeRandom();
+    return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
+  }
+  return baseRandom(lower, upper);
+}
+
+module.exports = random;
diff --git a/web/public/node_modules/lodash/range.js b/web/public/node_modules/lodash/range.js
new file mode 100644
index 000000000..fa63b0918
--- /dev/null
+++ b/web/public/node_modules/lodash/range.js
@@ -0,0 +1,46 @@
+var createRange = require('./_createRange');
+
+/**
+ * Creates an array of numbers (positive and/or negative) progressing from
+ * `start` up to, but not including, `end`. A step of `-1` is used if a negative
+ * `start` is specified without an `end` or `step`. If `end` is not specified,
+ * it's set to `start` with `start` then set to `0`.
+ *
+ * **Note:** JavaScript follows the IEEE-754 standard for resolving
+ * floating-point values which can produce unexpected results.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {number} [start=0] The start of the range.
+ * @param {number} end The end of the range.
+ * @param {number} [step=1] The value to increment or decrement by.
+ * @returns {Array} Returns the range of numbers.
+ * @see _.inRange, _.rangeRight
+ * @example
+ *
+ * _.range(4);
+ * // => [0, 1, 2, 3]
+ *
+ * _.range(-4);
+ * // => [0, -1, -2, -3]
+ *
+ * _.range(1, 5);
+ * // => [1, 2, 3, 4]
+ *
+ * _.range(0, 20, 5);
+ * // => [0, 5, 10, 15]
+ *
+ * _.range(0, -4, -1);
+ * // => [0, -1, -2, -3]
+ *
+ * _.range(1, 4, 0);
+ * // => [1, 1, 1]
+ *
+ * _.range(0);
+ * // => []
+ */
+var range = createRange();
+
+module.exports = range;
diff --git a/web/public/node_modules/lodash/rangeRight.js b/web/public/node_modules/lodash/rangeRight.js
new file mode 100644
index 000000000..271fafc98
--- /dev/null
+++ b/web/public/node_modules/lodash/rangeRight.js
@@ -0,0 +1,41 @@
+var createRange = require('./_createRange');
+
+/**
+ * This method is like `_.range` except that it populates values in
+ * descending order.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {number} [start=0] The start of the range.
+ * @param {number} end The end of the range.
+ * @param {number} [step=1] The value to increment or decrement by.
+ * @returns {Array} Returns the range of numbers.
+ * @see _.inRange, _.range
+ * @example
+ *
+ * _.rangeRight(4);
+ * // => [3, 2, 1, 0]
+ *
+ * _.rangeRight(-4);
+ * // => [-3, -2, -1, 0]
+ *
+ * _.rangeRight(1, 5);
+ * // => [4, 3, 2, 1]
+ *
+ * _.rangeRight(0, 20, 5);
+ * // => [15, 10, 5, 0]
+ *
+ * _.rangeRight(0, -4, -1);
+ * // => [-3, -2, -1, 0]
+ *
+ * _.rangeRight(1, 4, 0);
+ * // => [1, 1, 1]
+ *
+ * _.rangeRight(0);
+ * // => []
+ */
+var rangeRight = createRange(true);
+
+module.exports = rangeRight;
diff --git a/web/public/node_modules/lodash/rearg.js b/web/public/node_modules/lodash/rearg.js
new file mode 100644
index 000000000..a3e1970b8
--- /dev/null
+++ b/web/public/node_modules/lodash/rearg.js
@@ -0,0 +1,33 @@
+var createWrap = require('./_createWrap'),
+    flatRest = require('./_flatRest');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_REARG_FLAG = 256;
+
+/**
+ * Creates a function that invokes `func` with arguments arranged according
+ * to the specified `indexes` where the argument value at the first index is
+ * provided as the first argument, the argument value at the second index is
+ * provided as the second argument, and so on.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Function
+ * @param {Function} func The function to rearrange arguments for.
+ * @param {...(number|number[])} indexes The arranged argument indexes.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var rearged = _.rearg(function(a, b, c) {
+ *   return [a, b, c];
+ * }, [2, 0, 1]);
+ *
+ * rearged('b', 'c', 'a')
+ * // => ['a', 'b', 'c']
+ */
+var rearg = flatRest(function(func, indexes) {
+  return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
+});
+
+module.exports = rearg;
diff --git a/web/public/node_modules/lodash/reduce.js b/web/public/node_modules/lodash/reduce.js
new file mode 100644
index 000000000..5a1df4d04
--- /dev/null
+++ b/web/public/node_modules/lodash/reduce.js
@@ -0,0 +1,51 @@
+var arrayReduce = require('./_arrayReduce'),
+    baseEach = require('./_baseEach'),
+    baseIteratee = require('./_baseIteratee'),
+    baseReduce = require('./_baseReduce'),
+    isArray = require('./isArray');
+
+/**
+ * Reduces `collection` to a value which is the accumulated result of running
+ * each element in `collection` thru `iteratee`, where each successive
+ * invocation is supplied the return value of the previous. If `accumulator`
+ * is not given, the first element of `collection` is used as the initial
+ * value. The iteratee is invoked with four arguments:
+ * (accumulator, value, index|key, collection).
+ *
+ * Many lodash methods are guarded to work as iteratees for methods like
+ * `_.reduce`, `_.reduceRight`, and `_.transform`.
+ *
+ * The guarded methods are:
+ * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+ * and `sortBy`
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @param {*} [accumulator] The initial value.
+ * @returns {*} Returns the accumulated value.
+ * @see _.reduceRight
+ * @example
+ *
+ * _.reduce([1, 2], function(sum, n) {
+ *   return sum + n;
+ * }, 0);
+ * // => 3
+ *
+ * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+ *   (result[value] || (result[value] = [])).push(key);
+ *   return result;
+ * }, {});
+ * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
+ */
+function reduce(collection, iteratee, accumulator) {
+  var func = isArray(collection) ? arrayReduce : baseReduce,
+      initAccum = arguments.length < 3;
+
+  return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEach);
+}
+
+module.exports = reduce;
diff --git a/web/public/node_modules/lodash/reduceRight.js b/web/public/node_modules/lodash/reduceRight.js
new file mode 100644
index 000000000..e06a7cb7b
--- /dev/null
+++ b/web/public/node_modules/lodash/reduceRight.js
@@ -0,0 +1,36 @@
+var arrayReduceRight = require('./_arrayReduceRight'),
+    baseEachRight = require('./_baseEachRight'),
+    baseIteratee = require('./_baseIteratee'),
+    baseReduce = require('./_baseReduce'),
+    isArray = require('./isArray');
+
+/**
+ * This method is like `_.reduce` except that it iterates over elements of
+ * `collection` from right to left.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @param {*} [accumulator] The initial value.
+ * @returns {*} Returns the accumulated value.
+ * @see _.reduce
+ * @example
+ *
+ * var array = [[0, 1], [2, 3], [4, 5]];
+ *
+ * _.reduceRight(array, function(flattened, other) {
+ *   return flattened.concat(other);
+ * }, []);
+ * // => [4, 5, 2, 3, 0, 1]
+ */
+function reduceRight(collection, iteratee, accumulator) {
+  var func = isArray(collection) ? arrayReduceRight : baseReduce,
+      initAccum = arguments.length < 3;
+
+  return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
+}
+
+module.exports = reduceRight;
diff --git a/web/public/node_modules/lodash/reject.js b/web/public/node_modules/lodash/reject.js
new file mode 100644
index 000000000..a13e55474
--- /dev/null
+++ b/web/public/node_modules/lodash/reject.js
@@ -0,0 +1,46 @@
+var arrayFilter = require('./_arrayFilter'),
+    baseFilter = require('./_baseFilter'),
+    baseIteratee = require('./_baseIteratee'),
+    isArray = require('./isArray'),
+    negate = require('./negate');
+
+/**
+ * The opposite of `_.filter`; this method returns the elements of `collection`
+ * that `predicate` does **not** return truthy for.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the new filtered array.
+ * @see _.filter
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36, 'active': false },
+ *   { 'user': 'fred',   'age': 40, 'active': true }
+ * ];
+ *
+ * _.reject(users, function(o) { return !o.active; });
+ * // => objects for ['fred']
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.reject(users, { 'age': 40, 'active': true });
+ * // => objects for ['barney']
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.reject(users, ['active', false]);
+ * // => objects for ['fred']
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.reject(users, 'active');
+ * // => objects for ['barney']
+ */
+function reject(collection, predicate) {
+  var func = isArray(collection) ? arrayFilter : baseFilter;
+  return func(collection, negate(baseIteratee(predicate, 3)));
+}
+
+module.exports = reject;
diff --git a/web/public/node_modules/lodash/release.md b/web/public/node_modules/lodash/release.md
new file mode 100644
index 000000000..465d8fff0
--- /dev/null
+++ b/web/public/node_modules/lodash/release.md
@@ -0,0 +1,48 @@
+npm run build
+npm run doc
+npm i
+git clone --depth=10 --branch=master git@github.com:lodash-archive/lodash-cli.git ./node_modules/lodash-cli
+mkdir -p ./node_modules/lodash-cli/node_modules/lodash; cd $_; cp ../../../../lodash.js ./lodash.js; cp ../../../../package.json ./package.json
+cd ../../; npm i --production; cd ../../
+node ./node_modules/lodash-cli/bin/lodash core exports=node -o ./npm-package/core.js
+node ./node_modules/lodash-cli/bin/lodash modularize exports=node -o ./npm-package
+cp lodash.js npm-package/lodash.js
+cp dist/lodash.min.js npm-package/lodash.min.js
+cp LICENSE npm-package/LICENSE
+
+1. Clone two repos
+Bump lodash version in package.json, readme, package=locak, lodash.js
+npm run build
+npm run doc
+
+2. update mappings in ldoash-cli
+3. copy ldoash into lodash-cli node modules and package json.
+
+node ./node_modules/lodash-cli/bin/lodash core exports=node -o ./npm-package/core.js
+node ./node_modules/lodash-cli/bin/lodash modularize exports=node -o ./npm-package
+
+
+
+1. Clone the two repositories:
+```sh
+$ git clone https://github.com/lodash/lodash.git
+$ git clone https://github.com/bnjmnt4n/lodash-cli.git
+```
+2. Update lodash-cli to accomdate changes in lodash source. This can typically involve adding new function dependency mappings in lib/mappings.js. Sometimes, additional changes might be needed for more involved functions.
+3. In the lodash repository, update references to the lodash version in README.md, lodash.js, package.jsona nd package-lock.json
+4. Run:
+```sh
+npm run build
+npm run doc
+node ../lodash-cli/bin/lodash core -o ./dist/lodash.core.js
+```
+5. Add a commit and tag the release
+mkdir ../lodash-temp
+cp lodash.js dist/lodash.min.js dist/lodash.core.js dist/lodash.core.min.js ../lodash-temp/
+node ../lodash-cli/bin/lodash modularize exports=node -o .
+cp ../lodash-temp/lodash.core.js core.js
+cp ../lodash-temp/lodash.core.min.js core.min.js
+cp ../lodash-temp/lodash.js lodash.js
+cp ../lodash-temp/lodash.min.js lodash.min.js
+
+❯ node ../lodash-cli/bin/lodash modularize exports=es -o .
diff --git a/web/public/node_modules/lodash/remove.js b/web/public/node_modules/lodash/remove.js
new file mode 100644
index 000000000..87b1898e3
--- /dev/null
+++ b/web/public/node_modules/lodash/remove.js
@@ -0,0 +1,53 @@
+var baseIteratee = require('./_baseIteratee'),
+    basePullAt = require('./_basePullAt');
+
+/**
+ * Removes all elements from `array` that `predicate` returns truthy for
+ * and returns an array of the removed elements. The predicate is invoked
+ * with three arguments: (value, index, array).
+ *
+ * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
+ * to pull elements from an array by value.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the new array of removed elements.
+ * @example
+ *
+ * var array = [1, 2, 3, 4];
+ * var evens = _.remove(array, function(n) {
+ *   return n % 2 == 0;
+ * });
+ *
+ * console.log(array);
+ * // => [1, 3]
+ *
+ * console.log(evens);
+ * // => [2, 4]
+ */
+function remove(array, predicate) {
+  var result = [];
+  if (!(array && array.length)) {
+    return result;
+  }
+  var index = -1,
+      indexes = [],
+      length = array.length;
+
+  predicate = baseIteratee(predicate, 3);
+  while (++index < length) {
+    var value = array[index];
+    if (predicate(value, index, array)) {
+      result.push(value);
+      indexes.push(index);
+    }
+  }
+  basePullAt(array, indexes);
+  return result;
+}
+
+module.exports = remove;
diff --git a/web/public/node_modules/lodash/repeat.js b/web/public/node_modules/lodash/repeat.js
new file mode 100644
index 000000000..f4d8c69a0
--- /dev/null
+++ b/web/public/node_modules/lodash/repeat.js
@@ -0,0 +1,37 @@
+var baseRepeat = require('./_baseRepeat'),
+    isIterateeCall = require('./_isIterateeCall'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/**
+ * Repeats the given string `n` times.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to repeat.
+ * @param {number} [n=1] The number of times to repeat the string.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {string} Returns the repeated string.
+ * @example
+ *
+ * _.repeat('*', 3);
+ * // => '***'
+ *
+ * _.repeat('abc', 2);
+ * // => 'abcabc'
+ *
+ * _.repeat('abc', 0);
+ * // => ''
+ */
+function repeat(string, n, guard) {
+  if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
+    n = 1;
+  } else {
+    n = toInteger(n);
+  }
+  return baseRepeat(toString(string), n);
+}
+
+module.exports = repeat;
diff --git a/web/public/node_modules/lodash/replace.js b/web/public/node_modules/lodash/replace.js
new file mode 100644
index 000000000..6e26ecd82
--- /dev/null
+++ b/web/public/node_modules/lodash/replace.js
@@ -0,0 +1,29 @@
+var toString = require('./toString');
+
+/**
+ * Replaces matches for `pattern` in `string` with `replacement`.
+ *
+ * **Note:** This method is based on
+ * [`String#replace`](https://mdn.io/String/replace).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to modify.
+ * @param {RegExp|string} pattern The pattern to replace.
+ * @param {Function|string} replacement The match replacement.
+ * @returns {string} Returns the modified string.
+ * @example
+ *
+ * _.replace('Hi Fred', 'Fred', 'Barney');
+ * // => 'Hi Barney'
+ */
+function replace() {
+  var args = arguments,
+      string = toString(args[0]);
+
+  return args.length < 3 ? string : string.replace(args[1], args[2]);
+}
+
+module.exports = replace;
diff --git a/web/public/node_modules/lodash/rest.js b/web/public/node_modules/lodash/rest.js
new file mode 100644
index 000000000..eaaad00b7
--- /dev/null
+++ b/web/public/node_modules/lodash/rest.js
@@ -0,0 +1,40 @@
+var baseRest = require('./_baseRest'),
+    toInteger = require('./toInteger');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * Creates a function that invokes `func` with the `this` binding of the
+ * created function and arguments from `start` and beyond provided as
+ * an array.
+ *
+ * **Note:** This method is based on the
+ * [rest parameter](https://mdn.io/rest_parameters).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Function
+ * @param {Function} func The function to apply a rest parameter to.
+ * @param {number} [start=func.length-1] The start position of the rest parameter.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var say = _.rest(function(what, names) {
+ *   return what + ' ' + _.initial(names).join(', ') +
+ *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
+ * });
+ *
+ * say('hello', 'fred', 'barney', 'pebbles');
+ * // => 'hello fred, barney, & pebbles'
+ */
+function rest(func, start) {
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  start = start === undefined ? start : toInteger(start);
+  return baseRest(func, start);
+}
+
+module.exports = rest;
diff --git a/web/public/node_modules/lodash/result.js b/web/public/node_modules/lodash/result.js
new file mode 100644
index 000000000..eae12500b
--- /dev/null
+++ b/web/public/node_modules/lodash/result.js
@@ -0,0 +1,56 @@
+var castPath = require('./_castPath'),
+    isFunction = require('./isFunction'),
+    toKey = require('./_toKey');
+
+/**
+ * This method is like `_.get` except that if the resolved value is a
+ * function it's invoked with the `this` binding of its parent object and
+ * its result is returned.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the property to resolve.
+ * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+ * @returns {*} Returns the resolved value.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+ *
+ * _.result(object, 'a[0].b.c1');
+ * // => 3
+ *
+ * _.result(object, 'a[0].b.c2');
+ * // => 4
+ *
+ * _.result(object, 'a[0].b.c3', 'default');
+ * // => 'default'
+ *
+ * _.result(object, 'a[0].b.c3', _.constant('default'));
+ * // => 'default'
+ */
+function result(object, path, defaultValue) {
+  path = castPath(path, object);
+
+  var index = -1,
+      length = path.length;
+
+  // Ensure the loop is entered when path is empty.
+  if (!length) {
+    length = 1;
+    object = undefined;
+  }
+  while (++index < length) {
+    var value = object == null ? undefined : object[toKey(path[index])];
+    if (value === undefined) {
+      index = length;
+      value = defaultValue;
+    }
+    object = isFunction(value) ? value.call(object) : value;
+  }
+  return object;
+}
+
+module.exports = result;
diff --git a/web/public/node_modules/lodash/reverse.js b/web/public/node_modules/lodash/reverse.js
new file mode 100644
index 000000000..21764afd6
--- /dev/null
+++ b/web/public/node_modules/lodash/reverse.js
@@ -0,0 +1,34 @@
+/** Used for built-in method references. */
+var arrayProto = Array.prototype;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeReverse = arrayProto.reverse;
+
+/**
+ * Reverses `array` so that the first element becomes the last, the second
+ * element becomes the second to last, and so on.
+ *
+ * **Note:** This method mutates `array` and is based on
+ * [`Array#reverse`](https://mdn.io/Array/reverse).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to modify.
+ * @returns {Array} Returns `array`.
+ * @example
+ *
+ * var array = [1, 2, 3];
+ *
+ * _.reverse(array);
+ * // => [3, 2, 1]
+ *
+ * console.log(array);
+ * // => [3, 2, 1]
+ */
+function reverse(array) {
+  return array == null ? array : nativeReverse.call(array);
+}
+
+module.exports = reverse;
diff --git a/web/public/node_modules/lodash/round.js b/web/public/node_modules/lodash/round.js
new file mode 100644
index 000000000..fccc83101
--- /dev/null
+++ b/web/public/node_modules/lodash/round.js
@@ -0,0 +1,26 @@
+var createRound = require('./_createRound');
+
+/**
+ * Computes `number` rounded to `precision`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.10.0
+ * @category Math
+ * @param {number} number The number to round.
+ * @param {number} [precision=0] The precision to round to.
+ * @returns {number} Returns the rounded number.
+ * @example
+ *
+ * _.round(4.006);
+ * // => 4
+ *
+ * _.round(4.006, 2);
+ * // => 4.01
+ *
+ * _.round(4060, -2);
+ * // => 4100
+ */
+var round = createRound('round');
+
+module.exports = round;
diff --git a/web/public/node_modules/lodash/sample.js b/web/public/node_modules/lodash/sample.js
new file mode 100644
index 000000000..39c356042
--- /dev/null
+++ b/web/public/node_modules/lodash/sample.js
@@ -0,0 +1,24 @@
+var arraySample = require('./_arraySample'),
+    baseSample = require('./_baseSample'),
+    isArray = require('./isArray');
+
+/**
+ * Gets a random element from `collection`.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to sample.
+ * @returns {*} Returns the random element.
+ * @example
+ *
+ * _.sample([1, 2, 3, 4]);
+ * // => 2
+ */
+function sample(collection) {
+  var func = isArray(collection) ? arraySample : baseSample;
+  return func(collection);
+}
+
+module.exports = sample;
diff --git a/web/public/node_modules/lodash/sampleSize.js b/web/public/node_modules/lodash/sampleSize.js
new file mode 100644
index 000000000..a30368675
--- /dev/null
+++ b/web/public/node_modules/lodash/sampleSize.js
@@ -0,0 +1,37 @@
+var arraySampleSize = require('./_arraySampleSize'),
+    baseSampleSize = require('./_baseSampleSize'),
+    isArray = require('./isArray'),
+    isIterateeCall = require('./_isIterateeCall'),
+    toInteger = require('./toInteger');
+
+/**
+ * Gets `n` random elements at unique keys from `collection` up to the
+ * size of `collection`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to sample.
+ * @param {number} [n=1] The number of elements to sample.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the random elements.
+ * @example
+ *
+ * _.sampleSize([1, 2, 3], 2);
+ * // => [3, 1]
+ *
+ * _.sampleSize([1, 2, 3], 4);
+ * // => [2, 3, 1]
+ */
+function sampleSize(collection, n, guard) {
+  if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
+    n = 1;
+  } else {
+    n = toInteger(n);
+  }
+  var func = isArray(collection) ? arraySampleSize : baseSampleSize;
+  return func(collection, n);
+}
+
+module.exports = sampleSize;
diff --git a/web/public/node_modules/lodash/seq.js b/web/public/node_modules/lodash/seq.js
new file mode 100644
index 000000000..1570c2db7
--- /dev/null
+++ b/web/public/node_modules/lodash/seq.js
@@ -0,0 +1,16 @@
+module.exports = {
+  'at': require('./wrapperAt'),
+  'chain': require('./chain'),
+  'commit': require('./commit'),
+  'lodash': require('./wrapperLodash'),
+  'next': require('./next'),
+  'plant': require('./plant'),
+  'reverse': require('./wrapperReverse'),
+  'tap': require('./tap'),
+  'thru': require('./thru'),
+  'toIterator': require('./toIterator'),
+  'toJSON': require('./toJSON'),
+  'value': require('./wrapperValue'),
+  'valueOf': require('./valueOf'),
+  'wrapperChain': require('./wrapperChain')
+};
diff --git a/web/public/node_modules/lodash/set.js b/web/public/node_modules/lodash/set.js
new file mode 100644
index 000000000..d6630027f
--- /dev/null
+++ b/web/public/node_modules/lodash/set.js
@@ -0,0 +1,35 @@
+var baseSet = require('./_baseSet');
+
+/**
+ * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
+ * it's created. Arrays are created for missing index properties while objects
+ * are created for all other missing properties. Use `_.setWith` to customize
+ * `path` creation.
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.7.0
+ * @category Object
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+ *
+ * _.set(object, 'a[0].b.c', 4);
+ * console.log(object.a[0].b.c);
+ * // => 4
+ *
+ * _.set(object, ['x', '0', 'y', 'z'], 5);
+ * console.log(object.x[0].y.z);
+ * // => 5
+ */
+function set(object, path, value) {
+  return object == null ? object : baseSet(object, path, value);
+}
+
+module.exports = set;
diff --git a/web/public/node_modules/lodash/setWith.js b/web/public/node_modules/lodash/setWith.js
new file mode 100644
index 000000000..fb3e0f65a
--- /dev/null
+++ b/web/public/node_modules/lodash/setWith.js
@@ -0,0 +1,32 @@
+var baseSet = require('./_baseSet');
+
+/**
+ * This method is like `_.set` except that it accepts `customizer` which is
+ * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+ * path creation is handled by the method instead. The `customizer` is invoked
+ * with three arguments: (nsValue, key, nsObject).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {*} value The value to set.
+ * @param {Function} [customizer] The function to customize assigned values.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var object = {};
+ *
+ * _.setWith(object, '[0][1]', 'a', Object);
+ * // => { '0': { '1': 'a' } }
+ */
+function setWith(object, path, value, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  return object == null ? object : baseSet(object, path, value, customizer);
+}
+
+module.exports = setWith;
diff --git a/web/public/node_modules/lodash/shuffle.js b/web/public/node_modules/lodash/shuffle.js
new file mode 100644
index 000000000..2b72da7cd
--- /dev/null
+++ b/web/public/node_modules/lodash/shuffle.js
@@ -0,0 +1,25 @@
+var arrayShuffle = require('./_arrayShuffle'),
+    baseShuffle = require('./_baseShuffle'),
+    isArray = require('./isArray');
+
+/**
+ * Creates an array of shuffled values, using a version of the
+ * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to shuffle.
+ * @returns {Array} Returns the new shuffled array.
+ * @example
+ *
+ * _.shuffle([1, 2, 3, 4]);
+ * // => [4, 1, 3, 2]
+ */
+function shuffle(collection) {
+  var func = isArray(collection) ? arrayShuffle : baseShuffle;
+  return func(collection);
+}
+
+module.exports = shuffle;
diff --git a/web/public/node_modules/lodash/size.js b/web/public/node_modules/lodash/size.js
new file mode 100644
index 000000000..3561fc101
--- /dev/null
+++ b/web/public/node_modules/lodash/size.js
@@ -0,0 +1,46 @@
+var baseKeys = require('./_baseKeys'),
+    getTag = require('./_getTag'),
+    isArrayLike = require('./isArrayLike'),
+    isString = require('./isString'),
+    stringSize = require('./_stringSize');
+
+/** `Object#toString` result references. */
+var mapTag = '[object Map]',
+    setTag = '[object Set]';
+
+/**
+ * Gets the size of `collection` by returning its length for array-like
+ * values or the number of own enumerable string keyed properties for objects.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object|string} collection The collection to inspect.
+ * @returns {number} Returns the collection size.
+ * @example
+ *
+ * _.size([1, 2, 3]);
+ * // => 3
+ *
+ * _.size({ 'a': 1, 'b': 2 });
+ * // => 2
+ *
+ * _.size('pebbles');
+ * // => 7
+ */
+function size(collection) {
+  if (collection == null) {
+    return 0;
+  }
+  if (isArrayLike(collection)) {
+    return isString(collection) ? stringSize(collection) : collection.length;
+  }
+  var tag = getTag(collection);
+  if (tag == mapTag || tag == setTag) {
+    return collection.size;
+  }
+  return baseKeys(collection).length;
+}
+
+module.exports = size;
diff --git a/web/public/node_modules/lodash/slice.js b/web/public/node_modules/lodash/slice.js
new file mode 100644
index 000000000..f7324426a
--- /dev/null
+++ b/web/public/node_modules/lodash/slice.js
@@ -0,0 +1,37 @@
+var baseSlice = require('./_baseSlice'),
+    isIterateeCall = require('./_isIterateeCall'),
+    toInteger = require('./toInteger');
+
+/**
+ * Creates a slice of `array` from `start` up to, but not including, `end`.
+ *
+ * **Note:** This method is used instead of
+ * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
+ * returned.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to slice.
+ * @param {number} [start=0] The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns the slice of `array`.
+ */
+function slice(array, start, end) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return [];
+  }
+  if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
+    start = 0;
+    end = length;
+  }
+  else {
+    start = start == null ? 0 : toInteger(start);
+    end = end === undefined ? length : toInteger(end);
+  }
+  return baseSlice(array, start, end);
+}
+
+module.exports = slice;
diff --git a/web/public/node_modules/lodash/snakeCase.js b/web/public/node_modules/lodash/snakeCase.js
new file mode 100644
index 000000000..27f2a7676
--- /dev/null
+++ b/web/public/node_modules/lodash/snakeCase.js
@@ -0,0 +1,28 @@
+var createCompounder = require('./_createCompounder');
+
+/**
+ * Converts `string` to
+ * [snake case](https://en.wikipedia.org/wiki/Snake_case).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the snake cased string.
+ * @example
+ *
+ * _.snakeCase('Foo Bar');
+ * // => 'foo_bar'
+ *
+ * _.snakeCase('fooBar');
+ * // => 'foo_bar'
+ *
+ * _.snakeCase('--FOO-BAR--');
+ * // => 'foo_bar'
+ */
+var snakeCase = createCompounder(function(result, word, index) {
+  return result + (index ? '_' : '') + word.toLowerCase();
+});
+
+module.exports = snakeCase;
diff --git a/web/public/node_modules/lodash/some.js b/web/public/node_modules/lodash/some.js
new file mode 100644
index 000000000..9c1d08cc8
--- /dev/null
+++ b/web/public/node_modules/lodash/some.js
@@ -0,0 +1,51 @@
+var arraySome = require('./_arraySome'),
+    baseIteratee = require('./_baseIteratee'),
+    baseSome = require('./_baseSome'),
+    isArray = require('./isArray'),
+    isIterateeCall = require('./_isIterateeCall');
+
+/**
+ * Checks if `predicate` returns truthy for **any** element of `collection`.
+ * Iteration is stopped once `predicate` returns truthy. The predicate is
+ * invoked with three arguments: (value, index|key, collection).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {boolean} Returns `true` if any element passes the predicate check,
+ *  else `false`.
+ * @example
+ *
+ * _.some([null, 0, 'yes', false], Boolean);
+ * // => true
+ *
+ * var users = [
+ *   { 'user': 'barney', 'active': true },
+ *   { 'user': 'fred',   'active': false }
+ * ];
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.some(users, { 'user': 'barney', 'active': false });
+ * // => false
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.some(users, ['active', false]);
+ * // => true
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.some(users, 'active');
+ * // => true
+ */
+function some(collection, predicate, guard) {
+  var func = isArray(collection) ? arraySome : baseSome;
+  if (guard && isIterateeCall(collection, predicate, guard)) {
+    predicate = undefined;
+  }
+  return func(collection, baseIteratee(predicate, 3));
+}
+
+module.exports = some;
diff --git a/web/public/node_modules/lodash/sortBy.js b/web/public/node_modules/lodash/sortBy.js
new file mode 100644
index 000000000..d756aba6c
--- /dev/null
+++ b/web/public/node_modules/lodash/sortBy.js
@@ -0,0 +1,48 @@
+var baseFlatten = require('./_baseFlatten'),
+    baseOrderBy = require('./_baseOrderBy'),
+    baseRest = require('./_baseRest'),
+    isIterateeCall = require('./_isIterateeCall');
+
+/**
+ * Creates an array of elements, sorted in ascending order by the results of
+ * running each element in a collection thru each iteratee. This method
+ * performs a stable sort, that is, it preserves the original sort order of
+ * equal elements. The iteratees are invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {...(Function|Function[])} [iteratees=[_.identity]]
+ *  The iteratees to sort by.
+ * @returns {Array} Returns the new sorted array.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'fred',   'age': 48 },
+ *   { 'user': 'barney', 'age': 36 },
+ *   { 'user': 'fred',   'age': 30 },
+ *   { 'user': 'barney', 'age': 34 }
+ * ];
+ *
+ * _.sortBy(users, [function(o) { return o.user; }]);
+ * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
+ *
+ * _.sortBy(users, ['user', 'age']);
+ * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
+ */
+var sortBy = baseRest(function(collection, iteratees) {
+  if (collection == null) {
+    return [];
+  }
+  var length = iteratees.length;
+  if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+    iteratees = [];
+  } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+    iteratees = [iteratees[0]];
+  }
+  return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+});
+
+module.exports = sortBy;
diff --git a/web/public/node_modules/lodash/sortedIndex.js b/web/public/node_modules/lodash/sortedIndex.js
new file mode 100644
index 000000000..e763473ac
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedIndex.js
@@ -0,0 +1,24 @@
+var baseSortedIndex = require('./_baseSortedIndex');
+
+/**
+ * Uses a binary search to determine the lowest index at which `value`
+ * should be inserted into `array` in order to maintain its sort order.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @returns {number} Returns the index at which `value` should be inserted
+ *  into `array`.
+ * @example
+ *
+ * _.sortedIndex([30, 50], 40);
+ * // => 1
+ */
+function sortedIndex(array, value) {
+  return baseSortedIndex(array, value);
+}
+
+module.exports = sortedIndex;
diff --git a/web/public/node_modules/lodash/sortedIndexBy.js b/web/public/node_modules/lodash/sortedIndexBy.js
new file mode 100644
index 000000000..945f23cb0
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedIndexBy.js
@@ -0,0 +1,33 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseSortedIndexBy = require('./_baseSortedIndexBy');
+
+/**
+ * This method is like `_.sortedIndex` except that it accepts `iteratee`
+ * which is invoked for `value` and each element of `array` to compute their
+ * sort ranking. The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {number} Returns the index at which `value` should be inserted
+ *  into `array`.
+ * @example
+ *
+ * var objects = [{ 'x': 4 }, { 'x': 5 }];
+ *
+ * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+ * // => 0
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
+ * // => 0
+ */
+function sortedIndexBy(array, value, iteratee) {
+  return baseSortedIndexBy(array, value, baseIteratee(iteratee, 2));
+}
+
+module.exports = sortedIndexBy;
diff --git a/web/public/node_modules/lodash/sortedIndexOf.js b/web/public/node_modules/lodash/sortedIndexOf.js
new file mode 100644
index 000000000..e2d3b7a3d
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedIndexOf.js
@@ -0,0 +1,31 @@
+var baseSortedIndex = require('./_baseSortedIndex'),
+    eq = require('./eq');
+
+/**
+ * This method is like `_.indexOf` except that it performs a binary
+ * search on a sorted `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ * @example
+ *
+ * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
+ * // => 1
+ */
+function sortedIndexOf(array, value) {
+  var length = array == null ? 0 : array.length;
+  if (length) {
+    var index = baseSortedIndex(array, value);
+    if (index < length && eq(array[index], value)) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+module.exports = sortedIndexOf;
diff --git a/web/public/node_modules/lodash/sortedLastIndex.js b/web/public/node_modules/lodash/sortedLastIndex.js
new file mode 100644
index 000000000..9380cb9cb
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedLastIndex.js
@@ -0,0 +1,25 @@
+var baseSortedIndex = require('./_baseSortedIndex');
+
+/**
+ * This method is like `_.sortedIndex` except that it returns the highest
+ * index at which `value` should be inserted into `array` in order to
+ * maintain its sort order.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @returns {number} Returns the index at which `value` should be inserted
+ *  into `array`.
+ * @example
+ *
+ * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
+ * // => 4
+ */
+function sortedLastIndex(array, value) {
+  return baseSortedIndex(array, value, true);
+}
+
+module.exports = sortedLastIndex;
diff --git a/web/public/node_modules/lodash/sortedLastIndexBy.js b/web/public/node_modules/lodash/sortedLastIndexBy.js
new file mode 100644
index 000000000..9225eeb36
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedLastIndexBy.js
@@ -0,0 +1,33 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseSortedIndexBy = require('./_baseSortedIndexBy');
+
+/**
+ * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
+ * which is invoked for `value` and each element of `array` to compute their
+ * sort ranking. The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {number} Returns the index at which `value` should be inserted
+ *  into `array`.
+ * @example
+ *
+ * var objects = [{ 'x': 4 }, { 'x': 5 }];
+ *
+ * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+ * // => 1
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
+ * // => 1
+ */
+function sortedLastIndexBy(array, value, iteratee) {
+  return baseSortedIndexBy(array, value, baseIteratee(iteratee, 2), true);
+}
+
+module.exports = sortedLastIndexBy;
diff --git a/web/public/node_modules/lodash/sortedLastIndexOf.js b/web/public/node_modules/lodash/sortedLastIndexOf.js
new file mode 100644
index 000000000..18bc4c5d5
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedLastIndexOf.js
@@ -0,0 +1,31 @@
+var baseSortedIndex = require('./_baseSortedIndex'),
+    eq = require('./eq');
+
+/**
+ * This method is like `_.lastIndexOf` except that it performs a binary
+ * search on a sorted `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {*} value The value to search for.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ * @example
+ *
+ * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
+ * // => 3
+ */
+function sortedLastIndexOf(array, value) {
+  var length = array == null ? 0 : array.length;
+  if (length) {
+    var index = baseSortedIndex(array, value, true) - 1;
+    if (eq(array[index], value)) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+module.exports = sortedLastIndexOf;
diff --git a/web/public/node_modules/lodash/sortedUniq.js b/web/public/node_modules/lodash/sortedUniq.js
new file mode 100644
index 000000000..866db311e
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedUniq.js
@@ -0,0 +1,24 @@
+var baseSortedUniq = require('./_baseSortedUniq');
+
+/**
+ * This method is like `_.uniq` except that it's designed and optimized
+ * for sorted arrays.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @returns {Array} Returns the new duplicate free array.
+ * @example
+ *
+ * _.sortedUniq([1, 1, 2]);
+ * // => [1, 2]
+ */
+function sortedUniq(array) {
+  return (array && array.length)
+    ? baseSortedUniq(array)
+    : [];
+}
+
+module.exports = sortedUniq;
diff --git a/web/public/node_modules/lodash/sortedUniqBy.js b/web/public/node_modules/lodash/sortedUniqBy.js
new file mode 100644
index 000000000..4f05ebe91
--- /dev/null
+++ b/web/public/node_modules/lodash/sortedUniqBy.js
@@ -0,0 +1,26 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseSortedUniq = require('./_baseSortedUniq');
+
+/**
+ * This method is like `_.uniqBy` except that it's designed and optimized
+ * for sorted arrays.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @returns {Array} Returns the new duplicate free array.
+ * @example
+ *
+ * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
+ * // => [1.1, 2.3]
+ */
+function sortedUniqBy(array, iteratee) {
+  return (array && array.length)
+    ? baseSortedUniq(array, baseIteratee(iteratee, 2))
+    : [];
+}
+
+module.exports = sortedUniqBy;
diff --git a/web/public/node_modules/lodash/split.js b/web/public/node_modules/lodash/split.js
new file mode 100644
index 000000000..956b48a15
--- /dev/null
+++ b/web/public/node_modules/lodash/split.js
@@ -0,0 +1,52 @@
+var baseToString = require('./_baseToString'),
+    castSlice = require('./_castSlice'),
+    hasUnicode = require('./_hasUnicode'),
+    isIterateeCall = require('./_isIterateeCall'),
+    isRegExp = require('./isRegExp'),
+    stringToArray = require('./_stringToArray'),
+    toString = require('./toString');
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295;
+
+/**
+ * Splits `string` by `separator`.
+ *
+ * **Note:** This method is based on
+ * [`String#split`](https://mdn.io/String/split).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to split.
+ * @param {RegExp|string} separator The separator pattern to split by.
+ * @param {number} [limit] The length to truncate results to.
+ * @returns {Array} Returns the string segments.
+ * @example
+ *
+ * _.split('a-b-c', '-', 2);
+ * // => ['a', 'b']
+ */
+function split(string, separator, limit) {
+  if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
+    separator = limit = undefined;
+  }
+  limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
+  if (!limit) {
+    return [];
+  }
+  string = toString(string);
+  if (string && (
+        typeof separator == 'string' ||
+        (separator != null && !isRegExp(separator))
+      )) {
+    separator = baseToString(separator);
+    if (!separator && hasUnicode(string)) {
+      return castSlice(stringToArray(string), 0, limit);
+    }
+  }
+  return string.split(separator, limit);
+}
+
+module.exports = split;
diff --git a/web/public/node_modules/lodash/spread.js b/web/public/node_modules/lodash/spread.js
new file mode 100644
index 000000000..60a08e22e
--- /dev/null
+++ b/web/public/node_modules/lodash/spread.js
@@ -0,0 +1,63 @@
+var apply = require('./_apply'),
+    arrayPush = require('./_arrayPush'),
+    baseRest = require('./_baseRest'),
+    castSlice = require('./_castSlice'),
+    toInteger = require('./toInteger');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * Creates a function that invokes `func` with the `this` binding of the
+ * create function and an array of arguments much like
+ * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
+ *
+ * **Note:** This method is based on the
+ * [spread operator](https://mdn.io/spread_operator).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.2.0
+ * @category Function
+ * @param {Function} func The function to spread arguments over.
+ * @param {number} [start=0] The start position of the spread.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var say = _.spread(function(who, what) {
+ *   return who + ' says ' + what;
+ * });
+ *
+ * say(['fred', 'hello']);
+ * // => 'fred says hello'
+ *
+ * var numbers = Promise.all([
+ *   Promise.resolve(40),
+ *   Promise.resolve(36)
+ * ]);
+ *
+ * numbers.then(_.spread(function(x, y) {
+ *   return x + y;
+ * }));
+ * // => a Promise of 76
+ */
+function spread(func, start) {
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  start = start == null ? 0 : nativeMax(toInteger(start), 0);
+  return baseRest(function(args) {
+    var array = args[start],
+        otherArgs = castSlice(args, 0, start);
+
+    if (array) {
+      arrayPush(otherArgs, array);
+    }
+    return apply(func, this, otherArgs);
+  });
+}
+
+module.exports = spread;
diff --git a/web/public/node_modules/lodash/startCase.js b/web/public/node_modules/lodash/startCase.js
new file mode 100644
index 000000000..a48f21ce9
--- /dev/null
+++ b/web/public/node_modules/lodash/startCase.js
@@ -0,0 +1,29 @@
+var createCompounder = require('./_createCompounder'),
+    upperFirst = require('./upperFirst');
+
+/**
+ * Converts `string` to
+ * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.1.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the start cased string.
+ * @example
+ *
+ * _.startCase('--foo-bar--');
+ * // => 'Foo Bar'
+ *
+ * _.startCase('fooBar');
+ * // => 'Foo Bar'
+ *
+ * _.startCase('__FOO_BAR__');
+ * // => 'FOO BAR'
+ */
+var startCase = createCompounder(function(result, word, index) {
+  return result + (index ? ' ' : '') + upperFirst(word);
+});
+
+module.exports = startCase;
diff --git a/web/public/node_modules/lodash/startsWith.js b/web/public/node_modules/lodash/startsWith.js
new file mode 100644
index 000000000..956c098a0
--- /dev/null
+++ b/web/public/node_modules/lodash/startsWith.js
@@ -0,0 +1,39 @@
+var baseClamp = require('./_baseClamp'),
+    baseToString = require('./_baseToString'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/**
+ * Checks if `string` starts with the given target string.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to inspect.
+ * @param {string} [target] The string to search for.
+ * @param {number} [position=0] The position to search from.
+ * @returns {boolean} Returns `true` if `string` starts with `target`,
+ *  else `false`.
+ * @example
+ *
+ * _.startsWith('abc', 'a');
+ * // => true
+ *
+ * _.startsWith('abc', 'b');
+ * // => false
+ *
+ * _.startsWith('abc', 'b', 1);
+ * // => true
+ */
+function startsWith(string, target, position) {
+  string = toString(string);
+  position = position == null
+    ? 0
+    : baseClamp(toInteger(position), 0, string.length);
+
+  target = baseToString(target);
+  return string.slice(position, position + target.length) == target;
+}
+
+module.exports = startsWith;
diff --git a/web/public/node_modules/lodash/string.js b/web/public/node_modules/lodash/string.js
new file mode 100644
index 000000000..2c829c16a
--- /dev/null
+++ b/web/public/node_modules/lodash/string.js
@@ -0,0 +1,33 @@
+module.exports = {
+  'camelCase': require('./camelCase'),
+  'capitalize': require('./capitalize'),
+  'deburr': require('./deburr'),
+  'endsWith': require('./endsWith'),
+  'escape': require('./escape'),
+  'escapeRegExp': require('./escapeRegExp'),
+  'kebabCase': require('./kebabCase'),
+  'lowerCase': require('./lowerCase'),
+  'lowerFirst': require('./lowerFirst'),
+  'pad': require('./pad'),
+  'padEnd': require('./padEnd'),
+  'padStart': require('./padStart'),
+  'parseInt': require('./parseInt'),
+  'repeat': require('./repeat'),
+  'replace': require('./replace'),
+  'snakeCase': require('./snakeCase'),
+  'split': require('./split'),
+  'startCase': require('./startCase'),
+  'startsWith': require('./startsWith'),
+  'template': require('./template'),
+  'templateSettings': require('./templateSettings'),
+  'toLower': require('./toLower'),
+  'toUpper': require('./toUpper'),
+  'trim': require('./trim'),
+  'trimEnd': require('./trimEnd'),
+  'trimStart': require('./trimStart'),
+  'truncate': require('./truncate'),
+  'unescape': require('./unescape'),
+  'upperCase': require('./upperCase'),
+  'upperFirst': require('./upperFirst'),
+  'words': require('./words')
+};
diff --git a/web/public/node_modules/lodash/stubArray.js b/web/public/node_modules/lodash/stubArray.js
new file mode 100644
index 000000000..f460c15e3
--- /dev/null
+++ b/web/public/node_modules/lodash/stubArray.js
@@ -0,0 +1,23 @@
+/**
+ * This method returns a new empty array.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {Array} Returns the new empty array.
+ * @example
+ *
+ * var arrays = _.times(2, _.stubArray);
+ *
+ * console.log(arrays);
+ * // => [[], []]
+ *
+ * console.log(arrays[0] === arrays[1]);
+ * // => false
+ */
+function stubArray() {
+  return [];
+}
+
+module.exports = stubArray;
diff --git a/web/public/node_modules/lodash/stubFalse.js b/web/public/node_modules/lodash/stubFalse.js
new file mode 100644
index 000000000..9b346fce5
--- /dev/null
+++ b/web/public/node_modules/lodash/stubFalse.js
@@ -0,0 +1,18 @@
+/**
+ * This method returns `false`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {boolean} Returns `false`.
+ * @example
+ *
+ * _.times(2, _.stubFalse);
+ * // => [false, false]
+ */
+function stubFalse() {
+  return false;
+}
+
+module.exports = stubFalse;
diff --git a/web/public/node_modules/lodash/stubObject.js b/web/public/node_modules/lodash/stubObject.js
new file mode 100644
index 000000000..1d190a1d0
--- /dev/null
+++ b/web/public/node_modules/lodash/stubObject.js
@@ -0,0 +1,23 @@
+/**
+ * This method returns a new empty object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {Object} Returns the new empty object.
+ * @example
+ *
+ * var objects = _.times(2, _.stubObject);
+ *
+ * console.log(objects);
+ * // => [{}, {}]
+ *
+ * console.log(objects[0] === objects[1]);
+ * // => false
+ */
+function stubObject() {
+  return {};
+}
+
+module.exports = stubObject;
diff --git a/web/public/node_modules/lodash/stubString.js b/web/public/node_modules/lodash/stubString.js
new file mode 100644
index 000000000..2db0bed07
--- /dev/null
+++ b/web/public/node_modules/lodash/stubString.js
@@ -0,0 +1,18 @@
+/**
+ * This method returns an empty string.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {string} Returns the empty string.
+ * @example
+ *
+ * _.times(2, _.stubString);
+ * // => ['', '']
+ */
+function stubString() {
+  return '';
+}
+
+module.exports = stubString;
diff --git a/web/public/node_modules/lodash/stubTrue.js b/web/public/node_modules/lodash/stubTrue.js
new file mode 100644
index 000000000..af3cc9edc
--- /dev/null
+++ b/web/public/node_modules/lodash/stubTrue.js
@@ -0,0 +1,18 @@
+/**
+ * This method returns `true`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {boolean} Returns `true`.
+ * @example
+ *
+ * _.times(2, _.stubTrue);
+ * // => [true, true]
+ */
+function stubTrue() {
+  return true;
+}
+
+module.exports = stubTrue;
diff --git a/web/public/node_modules/lodash/subtract.js b/web/public/node_modules/lodash/subtract.js
new file mode 100644
index 000000000..67207785d
--- /dev/null
+++ b/web/public/node_modules/lodash/subtract.js
@@ -0,0 +1,22 @@
+var createMathOperation = require('./_createMathOperation');
+
+/**
+ * Subtract two numbers.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Math
+ * @param {number} minuend The first number in a subtraction.
+ * @param {number} subtrahend The second number in a subtraction.
+ * @returns {number} Returns the difference.
+ * @example
+ *
+ * _.subtract(6, 4);
+ * // => 2
+ */
+var subtract = createMathOperation(function(minuend, subtrahend) {
+  return minuend - subtrahend;
+}, 0);
+
+module.exports = subtract;
diff --git a/web/public/node_modules/lodash/sum.js b/web/public/node_modules/lodash/sum.js
new file mode 100644
index 000000000..3b07ee40e
--- /dev/null
+++ b/web/public/node_modules/lodash/sum.js
@@ -0,0 +1,24 @@
+var baseSum = require('./_baseSum'),
+    identity = require('./identity');
+
+/**
+ * Computes the sum of the values in `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.4.0
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @returns {number} Returns the sum.
+ * @example
+ *
+ * _.sum([4, 2, 8, 6]);
+ * // => 20
+ */
+function sum(array) {
+  return (array && array.length)
+    ? baseSum(array, identity)
+    : 0;
+}
+
+module.exports = sum;
diff --git a/web/public/node_modules/lodash/sumBy.js b/web/public/node_modules/lodash/sumBy.js
new file mode 100644
index 000000000..00e36d00e
--- /dev/null
+++ b/web/public/node_modules/lodash/sumBy.js
@@ -0,0 +1,33 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseSum = require('./_baseSum');
+
+/**
+ * This method is like `_.sum` except that it accepts `iteratee` which is
+ * invoked for each element in `array` to generate the value to be summed.
+ * The iteratee is invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {number} Returns the sum.
+ * @example
+ *
+ * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+ *
+ * _.sumBy(objects, function(o) { return o.n; });
+ * // => 20
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.sumBy(objects, 'n');
+ * // => 20
+ */
+function sumBy(array, iteratee) {
+  return (array && array.length)
+    ? baseSum(array, baseIteratee(iteratee, 2))
+    : 0;
+}
+
+module.exports = sumBy;
diff --git a/web/public/node_modules/lodash/tail.js b/web/public/node_modules/lodash/tail.js
new file mode 100644
index 000000000..001c22d0f
--- /dev/null
+++ b/web/public/node_modules/lodash/tail.js
@@ -0,0 +1,22 @@
+var baseSlice = require('./_baseSlice');
+
+/**
+ * Gets all but the first element of `array`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.tail([1, 2, 3]);
+ * // => [2, 3]
+ */
+function tail(array) {
+  var length = array == null ? 0 : array.length;
+  return length ? baseSlice(array, 1, length) : [];
+}
+
+module.exports = tail;
diff --git a/web/public/node_modules/lodash/take.js b/web/public/node_modules/lodash/take.js
new file mode 100644
index 000000000..b7da712ff
--- /dev/null
+++ b/web/public/node_modules/lodash/take.js
@@ -0,0 +1,37 @@
+var baseSlice = require('./_baseSlice'),
+    toInteger = require('./toInteger');
+
+/**
+ * Creates a slice of `array` with `n` elements taken from the beginning.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {number} [n=1] The number of elements to take.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.take([1, 2, 3]);
+ * // => [1]
+ *
+ * _.take([1, 2, 3], 2);
+ * // => [1, 2]
+ *
+ * _.take([1, 2, 3], 5);
+ * // => [1, 2, 3]
+ *
+ * _.take([1, 2, 3], 0);
+ * // => []
+ */
+function take(array, n, guard) {
+  if (!(array && array.length)) {
+    return [];
+  }
+  n = (guard || n === undefined) ? 1 : toInteger(n);
+  return baseSlice(array, 0, n < 0 ? 0 : n);
+}
+
+module.exports = take;
diff --git a/web/public/node_modules/lodash/takeRight.js b/web/public/node_modules/lodash/takeRight.js
new file mode 100644
index 000000000..6c375060e
--- /dev/null
+++ b/web/public/node_modules/lodash/takeRight.js
@@ -0,0 +1,39 @@
+var baseSlice = require('./_baseSlice'),
+    toInteger = require('./toInteger');
+
+/**
+ * Creates a slice of `array` with `n` elements taken from the end.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {number} [n=1] The number of elements to take.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.takeRight([1, 2, 3]);
+ * // => [3]
+ *
+ * _.takeRight([1, 2, 3], 2);
+ * // => [2, 3]
+ *
+ * _.takeRight([1, 2, 3], 5);
+ * // => [1, 2, 3]
+ *
+ * _.takeRight([1, 2, 3], 0);
+ * // => []
+ */
+function takeRight(array, n, guard) {
+  var length = array == null ? 0 : array.length;
+  if (!length) {
+    return [];
+  }
+  n = (guard || n === undefined) ? 1 : toInteger(n);
+  n = length - n;
+  return baseSlice(array, n < 0 ? 0 : n, length);
+}
+
+module.exports = takeRight;
diff --git a/web/public/node_modules/lodash/takeRightWhile.js b/web/public/node_modules/lodash/takeRightWhile.js
new file mode 100644
index 000000000..94ab783d7
--- /dev/null
+++ b/web/public/node_modules/lodash/takeRightWhile.js
@@ -0,0 +1,45 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseWhile = require('./_baseWhile');
+
+/**
+ * Creates a slice of `array` with elements taken from the end. Elements are
+ * taken until `predicate` returns falsey. The predicate is invoked with
+ * three arguments: (value, index, array).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'active': true },
+ *   { 'user': 'fred',    'active': false },
+ *   { 'user': 'pebbles', 'active': false }
+ * ];
+ *
+ * _.takeRightWhile(users, function(o) { return !o.active; });
+ * // => objects for ['fred', 'pebbles']
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
+ * // => objects for ['pebbles']
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.takeRightWhile(users, ['active', false]);
+ * // => objects for ['fred', 'pebbles']
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.takeRightWhile(users, 'active');
+ * // => []
+ */
+function takeRightWhile(array, predicate) {
+  return (array && array.length)
+    ? baseWhile(array, baseIteratee(predicate, 3), false, true)
+    : [];
+}
+
+module.exports = takeRightWhile;
diff --git a/web/public/node_modules/lodash/takeWhile.js b/web/public/node_modules/lodash/takeWhile.js
new file mode 100644
index 000000000..e88f5910d
--- /dev/null
+++ b/web/public/node_modules/lodash/takeWhile.js
@@ -0,0 +1,45 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseWhile = require('./_baseWhile');
+
+/**
+ * Creates a slice of `array` with elements taken from the beginning. Elements
+ * are taken until `predicate` returns falsey. The predicate is invoked with
+ * three arguments: (value, index, array).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to query.
+ * @param {Function} [predicate=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'active': false },
+ *   { 'user': 'fred',    'active': false },
+ *   { 'user': 'pebbles', 'active': true }
+ * ];
+ *
+ * _.takeWhile(users, function(o) { return !o.active; });
+ * // => objects for ['barney', 'fred']
+ *
+ * // The `_.matches` iteratee shorthand.
+ * _.takeWhile(users, { 'user': 'barney', 'active': false });
+ * // => objects for ['barney']
+ *
+ * // The `_.matchesProperty` iteratee shorthand.
+ * _.takeWhile(users, ['active', false]);
+ * // => objects for ['barney', 'fred']
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.takeWhile(users, 'active');
+ * // => []
+ */
+function takeWhile(array, predicate) {
+  return (array && array.length)
+    ? baseWhile(array, baseIteratee(predicate, 3))
+    : [];
+}
+
+module.exports = takeWhile;
diff --git a/web/public/node_modules/lodash/tap.js b/web/public/node_modules/lodash/tap.js
new file mode 100644
index 000000000..d00728525
--- /dev/null
+++ b/web/public/node_modules/lodash/tap.js
@@ -0,0 +1,29 @@
+/**
+ * This method invokes `interceptor` and returns `value`. The interceptor
+ * is invoked with one argument; (value). The purpose of this method is to
+ * "tap into" a method chain sequence in order to modify intermediate results.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Seq
+ * @param {*} value The value to provide to `interceptor`.
+ * @param {Function} interceptor The function to invoke.
+ * @returns {*} Returns `value`.
+ * @example
+ *
+ * _([1, 2, 3])
+ *  .tap(function(array) {
+ *    // Mutate input array.
+ *    array.pop();
+ *  })
+ *  .reverse()
+ *  .value();
+ * // => [2, 1]
+ */
+function tap(value, interceptor) {
+  interceptor(value);
+  return value;
+}
+
+module.exports = tap;
diff --git a/web/public/node_modules/lodash/template.js b/web/public/node_modules/lodash/template.js
new file mode 100644
index 000000000..5c6d6f499
--- /dev/null
+++ b/web/public/node_modules/lodash/template.js
@@ -0,0 +1,272 @@
+var assignInWith = require('./assignInWith'),
+    attempt = require('./attempt'),
+    baseValues = require('./_baseValues'),
+    customDefaultsAssignIn = require('./_customDefaultsAssignIn'),
+    escapeStringChar = require('./_escapeStringChar'),
+    isError = require('./isError'),
+    isIterateeCall = require('./_isIterateeCall'),
+    keys = require('./keys'),
+    reInterpolate = require('./_reInterpolate'),
+    templateSettings = require('./templateSettings'),
+    toString = require('./toString');
+
+/** Error message constants. */
+var INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';
+
+/** Used to match empty string literals in compiled template source. */
+var reEmptyStringLeading = /\b__p \+= '';/g,
+    reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
+    reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+
+/**
+ * Used to validate the `validate` option in `_.template` variable.
+ *
+ * Forbids characters which could potentially change the meaning of the function argument definition:
+ * - "()," (modification of function parameters)
+ * - "=" (default value)
+ * - "[]{}" (destructuring of function parameters)
+ * - "/" (beginning of a comment)
+ * - whitespace
+ */
+var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/;
+
+/**
+ * Used to match
+ * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
+ */
+var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+
+/** Used to ensure capturing order of template delimiters. */
+var reNoMatch = /($^)/;
+
+/** Used to match unescaped characters in compiled string literals. */
+var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Creates a compiled template function that can interpolate data properties
+ * in "interpolate" delimiters, HTML-escape interpolated data properties in
+ * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
+ * properties may be accessed as free variables in the template. If a setting
+ * object is given, it takes precedence over `_.templateSettings` values.
+ *
+ * **Note:** In the development build `_.template` utilizes
+ * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+ * for easier debugging.
+ *
+ * For more information on precompiling templates see
+ * [lodash's custom builds documentation](https://lodash.com/custom-builds).
+ *
+ * For more information on Chrome extension sandboxes see
+ * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category String
+ * @param {string} [string=''] The template string.
+ * @param {Object} [options={}] The options object.
+ * @param {RegExp} [options.escape=_.templateSettings.escape]
+ *  The HTML "escape" delimiter.
+ * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
+ *  The "evaluate" delimiter.
+ * @param {Object} [options.imports=_.templateSettings.imports]
+ *  An object to import into the template as free variables.
+ * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
+ *  The "interpolate" delimiter.
+ * @param {string} [options.sourceURL='templateSources[n]']
+ *  The sourceURL of the compiled template.
+ * @param {string} [options.variable='obj']
+ *  The data object variable name.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Function} Returns the compiled template function.
+ * @example
+ *
+ * // Use the "interpolate" delimiter to create a compiled template.
+ * var compiled = _.template('hello <%= user %>!');
+ * compiled({ 'user': 'fred' });
+ * // => 'hello fred!'
+ *
+ * // Use the HTML "escape" delimiter to escape data property values.
+ * var compiled = _.template('<b><%- value %></b>');
+ * compiled({ 'value': '<script>' });
+ * // => '<b>&lt;script&gt;</b>'
+ *
+ * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
+ * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
+ * compiled({ 'users': ['fred', 'barney'] });
+ * // => '<li>fred</li><li>barney</li>'
+ *
+ * // Use the internal `print` function in "evaluate" delimiters.
+ * var compiled = _.template('<% print("hello " + user); %>!');
+ * compiled({ 'user': 'barney' });
+ * // => 'hello barney!'
+ *
+ * // Use the ES template literal delimiter as an "interpolate" delimiter.
+ * // Disable support by replacing the "interpolate" delimiter.
+ * var compiled = _.template('hello ${ user }!');
+ * compiled({ 'user': 'pebbles' });
+ * // => 'hello pebbles!'
+ *
+ * // Use backslashes to treat delimiters as plain text.
+ * var compiled = _.template('<%= "\\<%- value %\\>" %>');
+ * compiled({ 'value': 'ignored' });
+ * // => '<%- value %>'
+ *
+ * // Use the `imports` option to import `jQuery` as `jq`.
+ * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
+ * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
+ * compiled({ 'users': ['fred', 'barney'] });
+ * // => '<li>fred</li><li>barney</li>'
+ *
+ * // Use the `sourceURL` option to specify a custom sourceURL for the template.
+ * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
+ * compiled(data);
+ * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
+ *
+ * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
+ * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
+ * compiled.source;
+ * // => function(data) {
+ * //   var __t, __p = '';
+ * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
+ * //   return __p;
+ * // }
+ *
+ * // Use custom template delimiters.
+ * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
+ * var compiled = _.template('hello {{ user }}!');
+ * compiled({ 'user': 'mustache' });
+ * // => 'hello mustache!'
+ *
+ * // Use the `source` property to inline compiled templates for meaningful
+ * // line numbers in error messages and stack traces.
+ * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
+ *   var JST = {\
+ *     "main": ' + _.template(mainText).source + '\
+ *   };\
+ * ');
+ */
+function template(string, options, guard) {
+  // Based on John Resig's `tmpl` implementation
+  // (http://ejohn.org/blog/javascript-micro-templating/)
+  // and Laura Doktorova's doT.js (https://github.com/olado/doT).
+  var settings = templateSettings.imports._.templateSettings || templateSettings;
+
+  if (guard && isIterateeCall(string, options, guard)) {
+    options = undefined;
+  }
+  string = toString(string);
+  options = assignInWith({}, options, settings, customDefaultsAssignIn);
+
+  var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
+      importsKeys = keys(imports),
+      importsValues = baseValues(imports, importsKeys);
+
+  var isEscaping,
+      isEvaluating,
+      index = 0,
+      interpolate = options.interpolate || reNoMatch,
+      source = "__p += '";
+
+  // Compile the regexp to match each delimiter.
+  var reDelimiters = RegExp(
+    (options.escape || reNoMatch).source + '|' +
+    interpolate.source + '|' +
+    (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
+    (options.evaluate || reNoMatch).source + '|$'
+  , 'g');
+
+  // Use a sourceURL for easier debugging.
+  // The sourceURL gets injected into the source that's eval-ed, so be careful
+  // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in
+  // and escape the comment, thus injecting code that gets evaled.
+  var sourceURL = hasOwnProperty.call(options, 'sourceURL')
+    ? ('//# sourceURL=' +
+       (options.sourceURL + '').replace(/\s/g, ' ') +
+       '\n')
+    : '';
+
+  string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+    interpolateValue || (interpolateValue = esTemplateValue);
+
+    // Escape characters that can't be included in string literals.
+    source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+
+    // Replace delimiters with snippets.
+    if (escapeValue) {
+      isEscaping = true;
+      source += "' +\n__e(" + escapeValue + ") +\n'";
+    }
+    if (evaluateValue) {
+      isEvaluating = true;
+      source += "';\n" + evaluateValue + ";\n__p += '";
+    }
+    if (interpolateValue) {
+      source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
+    }
+    index = offset + match.length;
+
+    // The JS engine embedded in Adobe products needs `match` returned in
+    // order to produce the correct `offset` value.
+    return match;
+  });
+
+  source += "';\n";
+
+  // If `variable` is not specified wrap a with-statement around the generated
+  // code to add the data object to the top of the scope chain.
+  var variable = hasOwnProperty.call(options, 'variable') && options.variable;
+  if (!variable) {
+    source = 'with (obj) {\n' + source + '\n}\n';
+  }
+  // Throw an error if a forbidden character was found in `variable`, to prevent
+  // potential command injection attacks.
+  else if (reForbiddenIdentifierChars.test(variable)) {
+    throw new Error(INVALID_TEMPL_VAR_ERROR_TEXT);
+  }
+
+  // Cleanup code by stripping empty strings.
+  source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
+    .replace(reEmptyStringMiddle, '$1')
+    .replace(reEmptyStringTrailing, '$1;');
+
+  // Frame code as the function body.
+  source = 'function(' + (variable || 'obj') + ') {\n' +
+    (variable
+      ? ''
+      : 'obj || (obj = {});\n'
+    ) +
+    "var __t, __p = ''" +
+    (isEscaping
+       ? ', __e = _.escape'
+       : ''
+    ) +
+    (isEvaluating
+      ? ', __j = Array.prototype.join;\n' +
+        "function print() { __p += __j.call(arguments, '') }\n"
+      : ';\n'
+    ) +
+    source +
+    'return __p\n}';
+
+  var result = attempt(function() {
+    return Function(importsKeys, sourceURL + 'return ' + source)
+      .apply(undefined, importsValues);
+  });
+
+  // Provide the compiled function's source by its `toString` method or
+  // the `source` property as a convenience for inlining compiled templates.
+  result.source = source;
+  if (isError(result)) {
+    throw result;
+  }
+  return result;
+}
+
+module.exports = template;
diff --git a/web/public/node_modules/lodash/templateSettings.js b/web/public/node_modules/lodash/templateSettings.js
new file mode 100644
index 000000000..5aa5924fa
--- /dev/null
+++ b/web/public/node_modules/lodash/templateSettings.js
@@ -0,0 +1,67 @@
+var escape = require('./escape'),
+    reEscape = require('./_reEscape'),
+    reEvaluate = require('./_reEvaluate'),
+    reInterpolate = require('./_reInterpolate');
+
+/**
+ * By default, the template delimiters used by lodash are like those in
+ * embedded Ruby (ERB) as well as ES2015 template strings. Change the
+ * following template settings to use alternative delimiters.
+ *
+ * @static
+ * @memberOf _
+ * @type {Object}
+ */
+var templateSettings = {
+
+  /**
+   * Used to detect `data` property values to be HTML-escaped.
+   *
+   * @memberOf _.templateSettings
+   * @type {RegExp}
+   */
+  'escape': reEscape,
+
+  /**
+   * Used to detect code to be evaluated.
+   *
+   * @memberOf _.templateSettings
+   * @type {RegExp}
+   */
+  'evaluate': reEvaluate,
+
+  /**
+   * Used to detect `data` property values to inject.
+   *
+   * @memberOf _.templateSettings
+   * @type {RegExp}
+   */
+  'interpolate': reInterpolate,
+
+  /**
+   * Used to reference the data object in the template text.
+   *
+   * @memberOf _.templateSettings
+   * @type {string}
+   */
+  'variable': '',
+
+  /**
+   * Used to import variables into the compiled template.
+   *
+   * @memberOf _.templateSettings
+   * @type {Object}
+   */
+  'imports': {
+
+    /**
+     * A reference to the `lodash` function.
+     *
+     * @memberOf _.templateSettings.imports
+     * @type {Function}
+     */
+    '_': { 'escape': escape }
+  }
+};
+
+module.exports = templateSettings;
diff --git a/web/public/node_modules/lodash/throttle.js b/web/public/node_modules/lodash/throttle.js
new file mode 100644
index 000000000..e2bb806bc
--- /dev/null
+++ b/web/public/node_modules/lodash/throttle.js
@@ -0,0 +1,69 @@
+var debounce = require('./debounce'),
+    isObject = require('./isObject');
+
+/** Error message constants. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/**
+ * Creates a throttled function that only invokes `func` at most once per
+ * every `wait` milliseconds. The throttled function comes with a `cancel`
+ * method to cancel delayed `func` invocations and a `flush` method to
+ * immediately invoke them. Provide `options` to indicate whether `func`
+ * should be invoked on the leading and/or trailing edge of the `wait`
+ * timeout. The `func` is invoked with the last arguments provided to the
+ * throttled function. Subsequent calls to the throttled function return the
+ * result of the last `func` invocation.
+ *
+ * **Note:** If `leading` and `trailing` options are `true`, `func` is
+ * invoked on the trailing edge of the timeout only if the throttled function
+ * is invoked more than once during the `wait` timeout.
+ *
+ * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+ * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+ *
+ * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+ * for details over the differences between `_.throttle` and `_.debounce`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to throttle.
+ * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
+ * @param {Object} [options={}] The options object.
+ * @param {boolean} [options.leading=true]
+ *  Specify invoking on the leading edge of the timeout.
+ * @param {boolean} [options.trailing=true]
+ *  Specify invoking on the trailing edge of the timeout.
+ * @returns {Function} Returns the new throttled function.
+ * @example
+ *
+ * // Avoid excessively updating the position while scrolling.
+ * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
+ *
+ * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
+ * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
+ * jQuery(element).on('click', throttled);
+ *
+ * // Cancel the trailing throttled invocation.
+ * jQuery(window).on('popstate', throttled.cancel);
+ */
+function throttle(func, wait, options) {
+  var leading = true,
+      trailing = true;
+
+  if (typeof func != 'function') {
+    throw new TypeError(FUNC_ERROR_TEXT);
+  }
+  if (isObject(options)) {
+    leading = 'leading' in options ? !!options.leading : leading;
+    trailing = 'trailing' in options ? !!options.trailing : trailing;
+  }
+  return debounce(func, wait, {
+    'leading': leading,
+    'maxWait': wait,
+    'trailing': trailing
+  });
+}
+
+module.exports = throttle;
diff --git a/web/public/node_modules/lodash/thru.js b/web/public/node_modules/lodash/thru.js
new file mode 100644
index 000000000..91e132e52
--- /dev/null
+++ b/web/public/node_modules/lodash/thru.js
@@ -0,0 +1,28 @@
+/**
+ * This method is like `_.tap` except that it returns the result of `interceptor`.
+ * The purpose of this method is to "pass thru" values replacing intermediate
+ * results in a method chain sequence.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Seq
+ * @param {*} value The value to provide to `interceptor`.
+ * @param {Function} interceptor The function to invoke.
+ * @returns {*} Returns the result of `interceptor`.
+ * @example
+ *
+ * _('  abc  ')
+ *  .chain()
+ *  .trim()
+ *  .thru(function(value) {
+ *    return [value];
+ *  })
+ *  .value();
+ * // => ['abc']
+ */
+function thru(value, interceptor) {
+  return interceptor(value);
+}
+
+module.exports = thru;
diff --git a/web/public/node_modules/lodash/times.js b/web/public/node_modules/lodash/times.js
new file mode 100644
index 000000000..266c90c68
--- /dev/null
+++ b/web/public/node_modules/lodash/times.js
@@ -0,0 +1,51 @@
+var baseTimes = require('./_baseTimes'),
+    castFunction = require('./_castFunction'),
+    toInteger = require('./toInteger');
+
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMin = Math.min;
+
+/**
+ * Invokes the iteratee `n` times, returning an array of the results of
+ * each invocation. The iteratee is invoked with one argument; (index).
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {number} n The number of times to invoke `iteratee`.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @returns {Array} Returns the array of results.
+ * @example
+ *
+ * _.times(3, String);
+ * // => ['0', '1', '2']
+ *
+ *  _.times(4, _.constant(0));
+ * // => [0, 0, 0, 0]
+ */
+function times(n, iteratee) {
+  n = toInteger(n);
+  if (n < 1 || n > MAX_SAFE_INTEGER) {
+    return [];
+  }
+  var index = MAX_ARRAY_LENGTH,
+      length = nativeMin(n, MAX_ARRAY_LENGTH);
+
+  iteratee = castFunction(iteratee);
+  n -= MAX_ARRAY_LENGTH;
+
+  var result = baseTimes(length, iteratee);
+  while (++index < n) {
+    iteratee(index);
+  }
+  return result;
+}
+
+module.exports = times;
diff --git a/web/public/node_modules/lodash/toArray.js b/web/public/node_modules/lodash/toArray.js
new file mode 100644
index 000000000..98095848e
--- /dev/null
+++ b/web/public/node_modules/lodash/toArray.js
@@ -0,0 +1,58 @@
+var Symbol = require('./_Symbol'),
+    copyArray = require('./_copyArray'),
+    getTag = require('./_getTag'),
+    isArrayLike = require('./isArrayLike'),
+    isString = require('./isString'),
+    iteratorToArray = require('./_iteratorToArray'),
+    mapToArray = require('./_mapToArray'),
+    setToArray = require('./_setToArray'),
+    stringToArray = require('./_stringToArray'),
+    values = require('./values');
+
+/** `Object#toString` result references. */
+var mapTag = '[object Map]',
+    setTag = '[object Set]';
+
+/** Built-in value references. */
+var symIterator = Symbol ? Symbol.iterator : undefined;
+
+/**
+ * Converts `value` to an array.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {Array} Returns the converted array.
+ * @example
+ *
+ * _.toArray({ 'a': 1, 'b': 2 });
+ * // => [1, 2]
+ *
+ * _.toArray('abc');
+ * // => ['a', 'b', 'c']
+ *
+ * _.toArray(1);
+ * // => []
+ *
+ * _.toArray(null);
+ * // => []
+ */
+function toArray(value) {
+  if (!value) {
+    return [];
+  }
+  if (isArrayLike(value)) {
+    return isString(value) ? stringToArray(value) : copyArray(value);
+  }
+  if (symIterator && value[symIterator]) {
+    return iteratorToArray(value[symIterator]());
+  }
+  var tag = getTag(value),
+      func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
+
+  return func(value);
+}
+
+module.exports = toArray;
diff --git a/web/public/node_modules/lodash/toFinite.js b/web/public/node_modules/lodash/toFinite.js
new file mode 100644
index 000000000..3b5bba6b4
--- /dev/null
+++ b/web/public/node_modules/lodash/toFinite.js
@@ -0,0 +1,42 @@
+var toNumber = require('./toNumber');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0,
+    MAX_INTEGER = 1.7976931348623157e+308;
+
+/**
+ * Converts `value` to a finite number.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.12.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {number} Returns the converted number.
+ * @example
+ *
+ * _.toFinite(3.2);
+ * // => 3.2
+ *
+ * _.toFinite(Number.MIN_VALUE);
+ * // => 5e-324
+ *
+ * _.toFinite(Infinity);
+ * // => 1.7976931348623157e+308
+ *
+ * _.toFinite('3.2');
+ * // => 3.2
+ */
+function toFinite(value) {
+  if (!value) {
+    return value === 0 ? value : 0;
+  }
+  value = toNumber(value);
+  if (value === INFINITY || value === -INFINITY) {
+    var sign = (value < 0 ? -1 : 1);
+    return sign * MAX_INTEGER;
+  }
+  return value === value ? value : 0;
+}
+
+module.exports = toFinite;
diff --git a/web/public/node_modules/lodash/toInteger.js b/web/public/node_modules/lodash/toInteger.js
new file mode 100644
index 000000000..c6aadf8f9
--- /dev/null
+++ b/web/public/node_modules/lodash/toInteger.js
@@ -0,0 +1,36 @@
+var toFinite = require('./toFinite');
+
+/**
+ * Converts `value` to an integer.
+ *
+ * **Note:** This method is loosely based on
+ * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {number} Returns the converted integer.
+ * @example
+ *
+ * _.toInteger(3.2);
+ * // => 3
+ *
+ * _.toInteger(Number.MIN_VALUE);
+ * // => 0
+ *
+ * _.toInteger(Infinity);
+ * // => 1.7976931348623157e+308
+ *
+ * _.toInteger('3.2');
+ * // => 3
+ */
+function toInteger(value) {
+  var result = toFinite(value),
+      remainder = result % 1;
+
+  return result === result ? (remainder ? result - remainder : result) : 0;
+}
+
+module.exports = toInteger;
diff --git a/web/public/node_modules/lodash/toIterator.js b/web/public/node_modules/lodash/toIterator.js
new file mode 100644
index 000000000..beeed5d55
--- /dev/null
+++ b/web/public/node_modules/lodash/toIterator.js
@@ -0,0 +1,23 @@
+/**
+ * Enables the wrapper to be iterable.
+ *
+ * @name Symbol.iterator
+ * @memberOf _
+ * @since 4.0.0
+ * @category Seq
+ * @returns {Object} Returns the wrapper object.
+ * @example
+ *
+ * var wrapped = _([1, 2]);
+ *
+ * wrapped[Symbol.iterator]() === wrapped;
+ * // => true
+ *
+ * Array.from(wrapped);
+ * // => [1, 2]
+ */
+function wrapperToIterator() {
+  return this;
+}
+
+module.exports = wrapperToIterator;
diff --git a/web/public/node_modules/lodash/toJSON.js b/web/public/node_modules/lodash/toJSON.js
new file mode 100644
index 000000000..5e751a2c3
--- /dev/null
+++ b/web/public/node_modules/lodash/toJSON.js
@@ -0,0 +1 @@
+module.exports = require('./wrapperValue');
diff --git a/web/public/node_modules/lodash/toLength.js b/web/public/node_modules/lodash/toLength.js
new file mode 100644
index 000000000..be8f2a744
--- /dev/null
+++ b/web/public/node_modules/lodash/toLength.js
@@ -0,0 +1,38 @@
+var baseClamp = require('./_baseClamp'),
+    toInteger = require('./toInteger');
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295;
+
+/**
+ * Converts `value` to an integer suitable for use as the length of an
+ * array-like object.
+ *
+ * **Note:** This method is based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {number} Returns the converted integer.
+ * @example
+ *
+ * _.toLength(3.2);
+ * // => 3
+ *
+ * _.toLength(Number.MIN_VALUE);
+ * // => 0
+ *
+ * _.toLength(Infinity);
+ * // => 4294967295
+ *
+ * _.toLength('3.2');
+ * // => 3
+ */
+function toLength(value) {
+  return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+}
+
+module.exports = toLength;
diff --git a/web/public/node_modules/lodash/toLower.js b/web/public/node_modules/lodash/toLower.js
new file mode 100644
index 000000000..b4b7858eb
--- /dev/null
+++ b/web/public/node_modules/lodash/toLower.js
@@ -0,0 +1,28 @@
+var toString = require('./toString');
+
+/**
+ * Converts `string`, as a whole, to lower case just like
+ * [String#toLowerCase](https://mdn.io/toLowerCase).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the lower cased string.
+ * @example
+ *
+ * _.toLower('--Foo-Bar--');
+ * // => '--foo-bar--'
+ *
+ * _.toLower('fooBar');
+ * // => 'foobar'
+ *
+ * _.toLower('__FOO_BAR__');
+ * // => '__foo_bar__'
+ */
+function toLower(value) {
+  return toString(value).toLowerCase();
+}
+
+module.exports = toLower;
diff --git a/web/public/node_modules/lodash/toNumber.js b/web/public/node_modules/lodash/toNumber.js
new file mode 100644
index 000000000..cf46f10de
--- /dev/null
+++ b/web/public/node_modules/lodash/toNumber.js
@@ -0,0 +1,64 @@
+var baseTrim = require('./_baseTrim'),
+    isObject = require('./isObject'),
+    isSymbol = require('./isSymbol');
+
+/** Used as references for various `Number` constants. */
+var NAN = 0 / 0;
+
+/** Used to detect bad signed hexadecimal string values. */
+var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+
+/** Used to detect binary string values. */
+var reIsBinary = /^0b[01]+$/i;
+
+/** Used to detect octal string values. */
+var reIsOctal = /^0o[0-7]+$/i;
+
+/** Built-in method references without a dependency on `root`. */
+var freeParseInt = parseInt;
+
+/**
+ * Converts `value` to a number.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to process.
+ * @returns {number} Returns the number.
+ * @example
+ *
+ * _.toNumber(3.2);
+ * // => 3.2
+ *
+ * _.toNumber(Number.MIN_VALUE);
+ * // => 5e-324
+ *
+ * _.toNumber(Infinity);
+ * // => Infinity
+ *
+ * _.toNumber('3.2');
+ * // => 3.2
+ */
+function toNumber(value) {
+  if (typeof value == 'number') {
+    return value;
+  }
+  if (isSymbol(value)) {
+    return NAN;
+  }
+  if (isObject(value)) {
+    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
+    value = isObject(other) ? (other + '') : other;
+  }
+  if (typeof value != 'string') {
+    return value === 0 ? value : +value;
+  }
+  value = baseTrim(value);
+  var isBinary = reIsBinary.test(value);
+  return (isBinary || reIsOctal.test(value))
+    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
+    : (reIsBadHex.test(value) ? NAN : +value);
+}
+
+module.exports = toNumber;
diff --git a/web/public/node_modules/lodash/toPairs.js b/web/public/node_modules/lodash/toPairs.js
new file mode 100644
index 000000000..c4f52ae00
--- /dev/null
+++ b/web/public/node_modules/lodash/toPairs.js
@@ -0,0 +1,30 @@
+var createToPairs = require('./_createToPairs'),
+    keys = require('./keys');
+
+/**
+ * Creates an array of own enumerable string keyed-value pairs for `object`
+ * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
+ * entries are returned.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @alias entries
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the key-value pairs.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.toPairs(new Foo);
+ * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
+ */
+var toPairs = createToPairs(keys);
+
+module.exports = toPairs;
diff --git a/web/public/node_modules/lodash/toPairsIn.js b/web/public/node_modules/lodash/toPairsIn.js
new file mode 100644
index 000000000..32c562ca7
--- /dev/null
+++ b/web/public/node_modules/lodash/toPairsIn.js
@@ -0,0 +1,30 @@
+var createToPairs = require('./_createToPairs'),
+    keysIn = require('./keysIn');
+
+/**
+ * Creates an array of own and inherited enumerable string keyed-value pairs
+ * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
+ * or set, its entries are returned.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @alias entriesIn
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the key-value pairs.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.toPairsIn(new Foo);
+ * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
+ */
+var toPairsIn = createToPairs(keysIn);
+
+module.exports = toPairsIn;
diff --git a/web/public/node_modules/lodash/toPath.js b/web/public/node_modules/lodash/toPath.js
new file mode 100644
index 000000000..d3e96eea9
--- /dev/null
+++ b/web/public/node_modules/lodash/toPath.js
@@ -0,0 +1,33 @@
+var arrayMap = require('./_arrayMap'),
+    copyArray = require('./_copyArray'),
+    isArray = require('./isArray'),
+    isSymbol = require('./isSymbol'),
+    stringToPath = require('./_stringToPath'),
+    toKey = require('./_toKey'),
+    toString = require('./toString');
+
+/**
+ * Converts `value` to a property path array.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {*} value The value to convert.
+ * @returns {Array} Returns the new property path array.
+ * @example
+ *
+ * _.toPath('a.b.c');
+ * // => ['a', 'b', 'c']
+ *
+ * _.toPath('a[0].b.c');
+ * // => ['a', '0', 'b', 'c']
+ */
+function toPath(value) {
+  if (isArray(value)) {
+    return arrayMap(value, toKey);
+  }
+  return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
+}
+
+module.exports = toPath;
diff --git a/web/public/node_modules/lodash/toPlainObject.js b/web/public/node_modules/lodash/toPlainObject.js
new file mode 100644
index 000000000..5de79b8b3
--- /dev/null
+++ b/web/public/node_modules/lodash/toPlainObject.js
@@ -0,0 +1,32 @@
+var copyObject = require('./_copyObject'),
+    keysIn = require('./keysIn');
+
+/**
+ * Converts `value` to a plain object flattening inherited enumerable string
+ * keyed properties of `value` to own properties of the plain object.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {Object} Returns the converted plain object.
+ * @example
+ *
+ * function Foo() {
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.assign({ 'a': 1 }, new Foo);
+ * // => { 'a': 1, 'b': 2 }
+ *
+ * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+ * // => { 'a': 1, 'b': 2, 'c': 3 }
+ */
+function toPlainObject(value) {
+  return copyObject(value, keysIn(value));
+}
+
+module.exports = toPlainObject;
diff --git a/web/public/node_modules/lodash/toSafeInteger.js b/web/public/node_modules/lodash/toSafeInteger.js
new file mode 100644
index 000000000..f564623d1
--- /dev/null
+++ b/web/public/node_modules/lodash/toSafeInteger.js
@@ -0,0 +1,37 @@
+var baseClamp = require('./_baseClamp'),
+    toInteger = require('./toInteger');
+
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/**
+ * Converts `value` to a safe integer. A safe integer can be compared and
+ * represented correctly.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {number} Returns the converted integer.
+ * @example
+ *
+ * _.toSafeInteger(3.2);
+ * // => 3
+ *
+ * _.toSafeInteger(Number.MIN_VALUE);
+ * // => 0
+ *
+ * _.toSafeInteger(Infinity);
+ * // => 9007199254740991
+ *
+ * _.toSafeInteger('3.2');
+ * // => 3
+ */
+function toSafeInteger(value) {
+  return value
+    ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+    : (value === 0 ? value : 0);
+}
+
+module.exports = toSafeInteger;
diff --git a/web/public/node_modules/lodash/toString.js b/web/public/node_modules/lodash/toString.js
new file mode 100644
index 000000000..daaf681c9
--- /dev/null
+++ b/web/public/node_modules/lodash/toString.js
@@ -0,0 +1,28 @@
+var baseToString = require('./_baseToString');
+
+/**
+ * Converts `value` to a string. An empty string is returned for `null`
+ * and `undefined` values. The sign of `-0` is preserved.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {string} Returns the converted string.
+ * @example
+ *
+ * _.toString(null);
+ * // => ''
+ *
+ * _.toString(-0);
+ * // => '-0'
+ *
+ * _.toString([1, 2, 3]);
+ * // => '1,2,3'
+ */
+function toString(value) {
+  return value == null ? '' : baseToString(value);
+}
+
+module.exports = toString;
diff --git a/web/public/node_modules/lodash/toUpper.js b/web/public/node_modules/lodash/toUpper.js
new file mode 100644
index 000000000..b3648e8bf
--- /dev/null
+++ b/web/public/node_modules/lodash/toUpper.js
@@ -0,0 +1,28 @@
+var toString = require('./toString');
+
+/**
+ * Converts `string`, as a whole, to upper case just like
+ * [String#toUpperCase](https://mdn.io/toUpperCase).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the upper cased string.
+ * @example
+ *
+ * _.toUpper('--foo-bar--');
+ * // => '--FOO-BAR--'
+ *
+ * _.toUpper('fooBar');
+ * // => 'FOOBAR'
+ *
+ * _.toUpper('__foo_bar__');
+ * // => '__FOO_BAR__'
+ */
+function toUpper(value) {
+  return toString(value).toUpperCase();
+}
+
+module.exports = toUpper;
diff --git a/web/public/node_modules/lodash/transform.js b/web/public/node_modules/lodash/transform.js
new file mode 100644
index 000000000..d755a1548
--- /dev/null
+++ b/web/public/node_modules/lodash/transform.js
@@ -0,0 +1,65 @@
+var arrayEach = require('./_arrayEach'),
+    baseCreate = require('./_baseCreate'),
+    baseForOwn = require('./_baseForOwn'),
+    baseIteratee = require('./_baseIteratee'),
+    getPrototype = require('./_getPrototype'),
+    isArray = require('./isArray'),
+    isBuffer = require('./isBuffer'),
+    isFunction = require('./isFunction'),
+    isObject = require('./isObject'),
+    isTypedArray = require('./isTypedArray');
+
+/**
+ * An alternative to `_.reduce`; this method transforms `object` to a new
+ * `accumulator` object which is the result of running each of its own
+ * enumerable string keyed properties thru `iteratee`, with each invocation
+ * potentially mutating the `accumulator` object. If `accumulator` is not
+ * provided, a new object with the same `[[Prototype]]` will be used. The
+ * iteratee is invoked with four arguments: (accumulator, value, key, object).
+ * Iteratee functions may exit iteration early by explicitly returning `false`.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.3.0
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @param {*} [accumulator] The custom accumulator value.
+ * @returns {*} Returns the accumulated value.
+ * @example
+ *
+ * _.transform([2, 3, 4], function(result, n) {
+ *   result.push(n *= n);
+ *   return n % 2 == 0;
+ * }, []);
+ * // => [4, 9]
+ *
+ * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+ *   (result[value] || (result[value] = [])).push(key);
+ * }, {});
+ * // => { '1': ['a', 'c'], '2': ['b'] }
+ */
+function transform(object, iteratee, accumulator) {
+  var isArr = isArray(object),
+      isArrLike = isArr || isBuffer(object) || isTypedArray(object);
+
+  iteratee = baseIteratee(iteratee, 4);
+  if (accumulator == null) {
+    var Ctor = object && object.constructor;
+    if (isArrLike) {
+      accumulator = isArr ? new Ctor : [];
+    }
+    else if (isObject(object)) {
+      accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
+    }
+    else {
+      accumulator = {};
+    }
+  }
+  (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
+    return iteratee(accumulator, value, index, object);
+  });
+  return accumulator;
+}
+
+module.exports = transform;
diff --git a/web/public/node_modules/lodash/trim.js b/web/public/node_modules/lodash/trim.js
new file mode 100644
index 000000000..13a6ad749
--- /dev/null
+++ b/web/public/node_modules/lodash/trim.js
@@ -0,0 +1,47 @@
+var baseToString = require('./_baseToString'),
+    baseTrim = require('./_baseTrim'),
+    castSlice = require('./_castSlice'),
+    charsEndIndex = require('./_charsEndIndex'),
+    charsStartIndex = require('./_charsStartIndex'),
+    stringToArray = require('./_stringToArray'),
+    toString = require('./toString');
+
+/**
+ * Removes leading and trailing whitespace or specified characters from `string`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to trim.
+ * @param {string} [chars=whitespace] The characters to trim.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {string} Returns the trimmed string.
+ * @example
+ *
+ * _.trim('  abc  ');
+ * // => 'abc'
+ *
+ * _.trim('-_-abc-_-', '_-');
+ * // => 'abc'
+ *
+ * _.map(['  foo  ', '  bar  '], _.trim);
+ * // => ['foo', 'bar']
+ */
+function trim(string, chars, guard) {
+  string = toString(string);
+  if (string && (guard || chars === undefined)) {
+    return baseTrim(string);
+  }
+  if (!string || !(chars = baseToString(chars))) {
+    return string;
+  }
+  var strSymbols = stringToArray(string),
+      chrSymbols = stringToArray(chars),
+      start = charsStartIndex(strSymbols, chrSymbols),
+      end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+  return castSlice(strSymbols, start, end).join('');
+}
+
+module.exports = trim;
diff --git a/web/public/node_modules/lodash/trimEnd.js b/web/public/node_modules/lodash/trimEnd.js
new file mode 100644
index 000000000..8dcd49363
--- /dev/null
+++ b/web/public/node_modules/lodash/trimEnd.js
@@ -0,0 +1,41 @@
+var baseToString = require('./_baseToString'),
+    castSlice = require('./_castSlice'),
+    charsEndIndex = require('./_charsEndIndex'),
+    stringToArray = require('./_stringToArray'),
+    toString = require('./toString'),
+    trimmedEndIndex = require('./_trimmedEndIndex');
+
+/**
+ * Removes trailing whitespace or specified characters from `string`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to trim.
+ * @param {string} [chars=whitespace] The characters to trim.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {string} Returns the trimmed string.
+ * @example
+ *
+ * _.trimEnd('  abc  ');
+ * // => '  abc'
+ *
+ * _.trimEnd('-_-abc-_-', '_-');
+ * // => '-_-abc'
+ */
+function trimEnd(string, chars, guard) {
+  string = toString(string);
+  if (string && (guard || chars === undefined)) {
+    return string.slice(0, trimmedEndIndex(string) + 1);
+  }
+  if (!string || !(chars = baseToString(chars))) {
+    return string;
+  }
+  var strSymbols = stringToArray(string),
+      end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
+
+  return castSlice(strSymbols, 0, end).join('');
+}
+
+module.exports = trimEnd;
diff --git a/web/public/node_modules/lodash/trimStart.js b/web/public/node_modules/lodash/trimStart.js
new file mode 100644
index 000000000..6cba766a1
--- /dev/null
+++ b/web/public/node_modules/lodash/trimStart.js
@@ -0,0 +1,43 @@
+var baseToString = require('./_baseToString'),
+    castSlice = require('./_castSlice'),
+    charsStartIndex = require('./_charsStartIndex'),
+    stringToArray = require('./_stringToArray'),
+    toString = require('./toString');
+
+/** Used to match leading whitespace. */
+var reTrimStart = /^\s+/;
+
+/**
+ * Removes leading whitespace or specified characters from `string`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to trim.
+ * @param {string} [chars=whitespace] The characters to trim.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {string} Returns the trimmed string.
+ * @example
+ *
+ * _.trimStart('  abc  ');
+ * // => 'abc  '
+ *
+ * _.trimStart('-_-abc-_-', '_-');
+ * // => 'abc-_-'
+ */
+function trimStart(string, chars, guard) {
+  string = toString(string);
+  if (string && (guard || chars === undefined)) {
+    return string.replace(reTrimStart, '');
+  }
+  if (!string || !(chars = baseToString(chars))) {
+    return string;
+  }
+  var strSymbols = stringToArray(string),
+      start = charsStartIndex(strSymbols, stringToArray(chars));
+
+  return castSlice(strSymbols, start).join('');
+}
+
+module.exports = trimStart;
diff --git a/web/public/node_modules/lodash/truncate.js b/web/public/node_modules/lodash/truncate.js
new file mode 100644
index 000000000..21fcdfef6
--- /dev/null
+++ b/web/public/node_modules/lodash/truncate.js
@@ -0,0 +1,111 @@
+var baseToString = require('./_baseToString'),
+    castSlice = require('./_castSlice'),
+    hasUnicode = require('./_hasUnicode'),
+    isObject = require('./isObject'),
+    isRegExp = require('./isRegExp'),
+    stringSize = require('./_stringSize'),
+    stringToArray = require('./_stringToArray'),
+    toInteger = require('./toInteger'),
+    toString = require('./toString');
+
+/** Used as default options for `_.truncate`. */
+var DEFAULT_TRUNC_LENGTH = 30,
+    DEFAULT_TRUNC_OMISSION = '...';
+
+/** Used to match `RegExp` flags from their coerced string values. */
+var reFlags = /\w*$/;
+
+/**
+ * Truncates `string` if it's longer than the given maximum string length.
+ * The last characters of the truncated string are replaced with the omission
+ * string which defaults to "...".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to truncate.
+ * @param {Object} [options={}] The options object.
+ * @param {number} [options.length=30] The maximum string length.
+ * @param {string} [options.omission='...'] The string to indicate text is omitted.
+ * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
+ * @returns {string} Returns the truncated string.
+ * @example
+ *
+ * _.truncate('hi-diddly-ho there, neighborino');
+ * // => 'hi-diddly-ho there, neighbo...'
+ *
+ * _.truncate('hi-diddly-ho there, neighborino', {
+ *   'length': 24,
+ *   'separator': ' '
+ * });
+ * // => 'hi-diddly-ho there,...'
+ *
+ * _.truncate('hi-diddly-ho there, neighborino', {
+ *   'length': 24,
+ *   'separator': /,? +/
+ * });
+ * // => 'hi-diddly-ho there...'
+ *
+ * _.truncate('hi-diddly-ho there, neighborino', {
+ *   'omission': ' [...]'
+ * });
+ * // => 'hi-diddly-ho there, neig [...]'
+ */
+function truncate(string, options) {
+  var length = DEFAULT_TRUNC_LENGTH,
+      omission = DEFAULT_TRUNC_OMISSION;
+
+  if (isObject(options)) {
+    var separator = 'separator' in options ? options.separator : separator;
+    length = 'length' in options ? toInteger(options.length) : length;
+    omission = 'omission' in options ? baseToString(options.omission) : omission;
+  }
+  string = toString(string);
+
+  var strLength = string.length;
+  if (hasUnicode(string)) {
+    var strSymbols = stringToArray(string);
+    strLength = strSymbols.length;
+  }
+  if (length >= strLength) {
+    return string;
+  }
+  var end = length - stringSize(omission);
+  if (end < 1) {
+    return omission;
+  }
+  var result = strSymbols
+    ? castSlice(strSymbols, 0, end).join('')
+    : string.slice(0, end);
+
+  if (separator === undefined) {
+    return result + omission;
+  }
+  if (strSymbols) {
+    end += (result.length - end);
+  }
+  if (isRegExp(separator)) {
+    if (string.slice(end).search(separator)) {
+      var match,
+          substring = result;
+
+      if (!separator.global) {
+        separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
+      }
+      separator.lastIndex = 0;
+      while ((match = separator.exec(substring))) {
+        var newEnd = match.index;
+      }
+      result = result.slice(0, newEnd === undefined ? end : newEnd);
+    }
+  } else if (string.indexOf(baseToString(separator), end) != end) {
+    var index = result.lastIndexOf(separator);
+    if (index > -1) {
+      result = result.slice(0, index);
+    }
+  }
+  return result + omission;
+}
+
+module.exports = truncate;
diff --git a/web/public/node_modules/lodash/unary.js b/web/public/node_modules/lodash/unary.js
new file mode 100644
index 000000000..76f48f6e3
--- /dev/null
+++ b/web/public/node_modules/lodash/unary.js
@@ -0,0 +1,22 @@
+var ary = require('./ary');
+
+/**
+ * Creates a function that accepts up to one argument, ignoring any
+ * additional arguments.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Function
+ * @param {Function} func The function to cap arguments for.
+ * @returns {Function} Returns the new capped function.
+ * @example
+ *
+ * _.map(['6', '8', '10'], _.unary(parseInt));
+ * // => [6, 8, 10]
+ */
+function unary(func) {
+  return ary(func, 1);
+}
+
+module.exports = unary;
diff --git a/web/public/node_modules/lodash/unescape.js b/web/public/node_modules/lodash/unescape.js
new file mode 100644
index 000000000..3b6efd583
--- /dev/null
+++ b/web/public/node_modules/lodash/unescape.js
@@ -0,0 +1,34 @@
+var toString = require('./toString'),
+    unescapeHtmlChar = require('./_unescapeHtmlChar');
+
+/** Used to match HTML entities and HTML characters. */
+var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
+    reHasEscapedHtml = RegExp(reEscapedHtml.source);
+
+/**
+ * The inverse of `_.escape`; this method converts the HTML entities
+ * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
+ * their corresponding characters.
+ *
+ * **Note:** No other HTML entities are unescaped. To unescape additional
+ * HTML entities use a third-party library like [_he_](https://mths.be/he).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.6.0
+ * @category String
+ * @param {string} [string=''] The string to unescape.
+ * @returns {string} Returns the unescaped string.
+ * @example
+ *
+ * _.unescape('fred, barney, &amp; pebbles');
+ * // => 'fred, barney, & pebbles'
+ */
+function unescape(string) {
+  string = toString(string);
+  return (string && reHasEscapedHtml.test(string))
+    ? string.replace(reEscapedHtml, unescapeHtmlChar)
+    : string;
+}
+
+module.exports = unescape;
diff --git a/web/public/node_modules/lodash/union.js b/web/public/node_modules/lodash/union.js
new file mode 100644
index 000000000..e676dfe49
--- /dev/null
+++ b/web/public/node_modules/lodash/union.js
@@ -0,0 +1,26 @@
+var baseFlatten = require('./_baseFlatten'),
+    baseRest = require('./_baseRest'),
+    baseUniq = require('./_baseUniq'),
+    isArrayLikeObject = require('./isArrayLikeObject');
+
+/**
+ * Creates an array of unique values, in order, from all given arrays using
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @returns {Array} Returns the new array of combined values.
+ * @example
+ *
+ * _.union([2], [1, 2]);
+ * // => [2, 1]
+ */
+var union = baseRest(function(arrays) {
+  return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
+});
+
+module.exports = union;
diff --git a/web/public/node_modules/lodash/unionBy.js b/web/public/node_modules/lodash/unionBy.js
new file mode 100644
index 000000000..6ae8ccd6e
--- /dev/null
+++ b/web/public/node_modules/lodash/unionBy.js
@@ -0,0 +1,39 @@
+var baseFlatten = require('./_baseFlatten'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest'),
+    baseUniq = require('./_baseUniq'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.union` except that it accepts `iteratee` which is
+ * invoked for each element of each `arrays` to generate the criterion by
+ * which uniqueness is computed. Result values are chosen from the first
+ * array in which the value occurs. The iteratee is invoked with one argument:
+ * (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Array} Returns the new array of combined values.
+ * @example
+ *
+ * _.unionBy([2.1], [1.2, 2.3], Math.floor);
+ * // => [2.1, 1.2]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+ * // => [{ 'x': 1 }, { 'x': 2 }]
+ */
+var unionBy = baseRest(function(arrays) {
+  var iteratee = last(arrays);
+  if (isArrayLikeObject(iteratee)) {
+    iteratee = undefined;
+  }
+  return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), baseIteratee(iteratee, 2));
+});
+
+module.exports = unionBy;
diff --git a/web/public/node_modules/lodash/unionWith.js b/web/public/node_modules/lodash/unionWith.js
new file mode 100644
index 000000000..78736b27c
--- /dev/null
+++ b/web/public/node_modules/lodash/unionWith.js
@@ -0,0 +1,34 @@
+var baseFlatten = require('./_baseFlatten'),
+    baseRest = require('./_baseRest'),
+    baseUniq = require('./_baseUniq'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.union` except that it accepts `comparator` which
+ * is invoked to compare elements of `arrays`. Result values are chosen from
+ * the first array in which the value occurs. The comparator is invoked
+ * with two arguments: (arrVal, othVal).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of combined values.
+ * @example
+ *
+ * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+ * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+ *
+ * _.unionWith(objects, others, _.isEqual);
+ * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+ */
+var unionWith = baseRest(function(arrays) {
+  var comparator = last(arrays);
+  comparator = typeof comparator == 'function' ? comparator : undefined;
+  return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
+});
+
+module.exports = unionWith;
diff --git a/web/public/node_modules/lodash/uniq.js b/web/public/node_modules/lodash/uniq.js
new file mode 100644
index 000000000..157d1cd38
--- /dev/null
+++ b/web/public/node_modules/lodash/uniq.js
@@ -0,0 +1,25 @@
+var baseUniq = require('./_baseUniq');
+
+/**
+ * Creates a duplicate-free version of an array, using
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons, in which only the first occurrence of each element
+ * is kept. The order of result values is determined by the order they occur
+ * in the array.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @returns {Array} Returns the new duplicate free array.
+ * @example
+ *
+ * _.uniq([2, 1, 2]);
+ * // => [2, 1]
+ */
+function uniq(array) {
+  return (array && array.length) ? baseUniq(array) : [];
+}
+
+module.exports = uniq;
diff --git a/web/public/node_modules/lodash/uniqBy.js b/web/public/node_modules/lodash/uniqBy.js
new file mode 100644
index 000000000..53402a9bf
--- /dev/null
+++ b/web/public/node_modules/lodash/uniqBy.js
@@ -0,0 +1,31 @@
+var baseIteratee = require('./_baseIteratee'),
+    baseUniq = require('./_baseUniq');
+
+/**
+ * This method is like `_.uniq` except that it accepts `iteratee` which is
+ * invoked for each element in `array` to generate the criterion by which
+ * uniqueness is computed. The order of result values is determined by the
+ * order they occur in the array. The iteratee is invoked with one argument:
+ * (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Array} Returns the new duplicate free array.
+ * @example
+ *
+ * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
+ * // => [2.1, 1.2]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
+ * // => [{ 'x': 1 }, { 'x': 2 }]
+ */
+function uniqBy(array, iteratee) {
+  return (array && array.length) ? baseUniq(array, baseIteratee(iteratee, 2)) : [];
+}
+
+module.exports = uniqBy;
diff --git a/web/public/node_modules/lodash/uniqWith.js b/web/public/node_modules/lodash/uniqWith.js
new file mode 100644
index 000000000..18d72aabc
--- /dev/null
+++ b/web/public/node_modules/lodash/uniqWith.js
@@ -0,0 +1,28 @@
+var baseUniq = require('./_baseUniq');
+
+/**
+ * This method is like `_.uniq` except that it accepts `comparator` which
+ * is invoked to compare elements of `array`. The order of result values is
+ * determined by the order they occur in the array.The comparator is invoked
+ * with two arguments: (arrVal, othVal).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new duplicate free array.
+ * @example
+ *
+ * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
+ *
+ * _.uniqWith(objects, _.isEqual);
+ * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
+ */
+function uniqWith(array, comparator) {
+  comparator = typeof comparator == 'function' ? comparator : undefined;
+  return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
+}
+
+module.exports = uniqWith;
diff --git a/web/public/node_modules/lodash/uniqueId.js b/web/public/node_modules/lodash/uniqueId.js
new file mode 100644
index 000000000..ffa8c0347
--- /dev/null
+++ b/web/public/node_modules/lodash/uniqueId.js
@@ -0,0 +1,28 @@
+var toString = require('./toString');
+
+/** Used to generate unique IDs. */
+var idCounter = 0;
+
+/**
+ * Generates a unique ID. If `prefix` is given, the ID is appended to it.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {string} [prefix=''] The value to prefix the ID with.
+ * @returns {string} Returns the unique ID.
+ * @example
+ *
+ * _.uniqueId('contact_');
+ * // => 'contact_104'
+ *
+ * _.uniqueId();
+ * // => '105'
+ */
+function uniqueId(prefix) {
+  var id = ++idCounter;
+  return toString(prefix) + id;
+}
+
+module.exports = uniqueId;
diff --git a/web/public/node_modules/lodash/unset.js b/web/public/node_modules/lodash/unset.js
new file mode 100644
index 000000000..723c3d44b
--- /dev/null
+++ b/web/public/node_modules/lodash/unset.js
@@ -0,0 +1,34 @@
+var baseUnset = require('./_baseUnset');
+
+/**
+ * Removes the property at `path` of `object`.
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to unset.
+ * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 7 } }] };
+ * _.unset(object, 'a[0].b.c');
+ * // => true
+ *
+ * console.log(object);
+ * // => { 'a': [{ 'b': {} }] };
+ *
+ * _.unset(object, ['a', '0', 'b', 'c']);
+ * // => true
+ *
+ * console.log(object);
+ * // => { 'a': [{ 'b': {} }] };
+ */
+function unset(object, path) {
+  return object == null ? true : baseUnset(object, path);
+}
+
+module.exports = unset;
diff --git a/web/public/node_modules/lodash/unzip.js b/web/public/node_modules/lodash/unzip.js
new file mode 100644
index 000000000..fce0ec78d
--- /dev/null
+++ b/web/public/node_modules/lodash/unzip.js
@@ -0,0 +1,45 @@
+var arrayFilter = require('./_arrayFilter'),
+    arrayMap = require('./_arrayMap'),
+    baseProperty = require('./_baseProperty'),
+    baseTimes = require('./_baseTimes'),
+    isArrayLikeObject = require('./isArrayLikeObject');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * This method is like `_.zip` except that it accepts an array of grouped
+ * elements and creates an array regrouping the elements to their pre-zip
+ * configuration.
+ *
+ * @static
+ * @memberOf _
+ * @since 1.2.0
+ * @category Array
+ * @param {Array} array The array of grouped elements to process.
+ * @returns {Array} Returns the new array of regrouped elements.
+ * @example
+ *
+ * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
+ * // => [['a', 1, true], ['b', 2, false]]
+ *
+ * _.unzip(zipped);
+ * // => [['a', 'b'], [1, 2], [true, false]]
+ */
+function unzip(array) {
+  if (!(array && array.length)) {
+    return [];
+  }
+  var length = 0;
+  array = arrayFilter(array, function(group) {
+    if (isArrayLikeObject(group)) {
+      length = nativeMax(group.length, length);
+      return true;
+    }
+  });
+  return baseTimes(length, function(index) {
+    return arrayMap(array, baseProperty(index));
+  });
+}
+
+module.exports = unzip;
diff --git a/web/public/node_modules/lodash/unzipWith.js b/web/public/node_modules/lodash/unzipWith.js
new file mode 100644
index 000000000..926c8993d
--- /dev/null
+++ b/web/public/node_modules/lodash/unzipWith.js
@@ -0,0 +1,39 @@
+var apply = require('./_apply'),
+    arrayMap = require('./_arrayMap'),
+    unzip = require('./unzip');
+
+/**
+ * This method is like `_.unzip` except that it accepts `iteratee` to specify
+ * how regrouped values should be combined. The iteratee is invoked with the
+ * elements of each group: (...group).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.8.0
+ * @category Array
+ * @param {Array} array The array of grouped elements to process.
+ * @param {Function} [iteratee=_.identity] The function to combine
+ *  regrouped values.
+ * @returns {Array} Returns the new array of regrouped elements.
+ * @example
+ *
+ * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
+ * // => [[1, 10, 100], [2, 20, 200]]
+ *
+ * _.unzipWith(zipped, _.add);
+ * // => [3, 30, 300]
+ */
+function unzipWith(array, iteratee) {
+  if (!(array && array.length)) {
+    return [];
+  }
+  var result = unzip(array);
+  if (iteratee == null) {
+    return result;
+  }
+  return arrayMap(result, function(group) {
+    return apply(iteratee, undefined, group);
+  });
+}
+
+module.exports = unzipWith;
diff --git a/web/public/node_modules/lodash/update.js b/web/public/node_modules/lodash/update.js
new file mode 100644
index 000000000..b90098e6d
--- /dev/null
+++ b/web/public/node_modules/lodash/update.js
@@ -0,0 +1,35 @@
+var baseUpdate = require('./_baseUpdate'),
+    castFunction = require('./_castFunction');
+
+/**
+ * This method is like `_.set` except that accepts `updater` to produce the
+ * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
+ * is invoked with one argument: (value).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.6.0
+ * @category Object
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {Function} updater The function to produce the updated value.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+ *
+ * _.update(object, 'a[0].b.c', function(n) { return n * n; });
+ * console.log(object.a[0].b.c);
+ * // => 9
+ *
+ * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
+ * console.log(object.x[0].y.z);
+ * // => 0
+ */
+function update(object, path, updater) {
+  return object == null ? object : baseUpdate(object, path, castFunction(updater));
+}
+
+module.exports = update;
diff --git a/web/public/node_modules/lodash/updateWith.js b/web/public/node_modules/lodash/updateWith.js
new file mode 100644
index 000000000..a2f4a2cfb
--- /dev/null
+++ b/web/public/node_modules/lodash/updateWith.js
@@ -0,0 +1,33 @@
+var baseUpdate = require('./_baseUpdate'),
+    castFunction = require('./_castFunction');
+
+/**
+ * This method is like `_.update` except that it accepts `customizer` which is
+ * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+ * path creation is handled by the method instead. The `customizer` is invoked
+ * with three arguments: (nsValue, key, nsObject).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.6.0
+ * @category Object
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {Function} updater The function to produce the updated value.
+ * @param {Function} [customizer] The function to customize assigned values.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var object = {};
+ *
+ * _.updateWith(object, '[0][1]', _.constant('a'), Object);
+ * // => { '0': { '1': 'a' } }
+ */
+function updateWith(object, path, updater, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+}
+
+module.exports = updateWith;
diff --git a/web/public/node_modules/lodash/upperCase.js b/web/public/node_modules/lodash/upperCase.js
new file mode 100644
index 000000000..efbb8b06c
--- /dev/null
+++ b/web/public/node_modules/lodash/upperCase.js
@@ -0,0 +1,27 @@
+var createCompounder = require('./_createCompounder');
+
+/**
+ * Converts `string`, as space separated words, to upper case.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the upper cased string.
+ * @example
+ *
+ * _.upperCase('--foo-bar');
+ * // => 'FOO BAR'
+ *
+ * _.upperCase('fooBar');
+ * // => 'FOO BAR'
+ *
+ * _.upperCase('__foo_bar__');
+ * // => 'FOO BAR'
+ */
+var upperCase = createCompounder(function(result, word, index) {
+  return result + (index ? ' ' : '') + word.toUpperCase();
+});
+
+module.exports = upperCase;
diff --git a/web/public/node_modules/lodash/upperFirst.js b/web/public/node_modules/lodash/upperFirst.js
new file mode 100644
index 000000000..1dd64e135
--- /dev/null
+++ b/web/public/node_modules/lodash/upperFirst.js
@@ -0,0 +1,22 @@
+var createCaseFirst = require('./_createCaseFirst');
+
+/**
+ * Converts the first character of `string` to upper case.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category String
+ * @param {string} [string=''] The string to convert.
+ * @returns {string} Returns the converted string.
+ * @example
+ *
+ * _.upperFirst('fred');
+ * // => 'Fred'
+ *
+ * _.upperFirst('FRED');
+ * // => 'FRED'
+ */
+var upperFirst = createCaseFirst('toUpperCase');
+
+module.exports = upperFirst;
diff --git a/web/public/node_modules/lodash/util.js b/web/public/node_modules/lodash/util.js
new file mode 100644
index 000000000..d244dc27e
--- /dev/null
+++ b/web/public/node_modules/lodash/util.js
@@ -0,0 +1,34 @@
+module.exports = {
+  'attempt': require('./attempt'),
+  'bindAll': require('./bindAll'),
+  'cond': require('./cond'),
+  'conforms': require('./conforms'),
+  'constant': require('./constant'),
+  'defaultTo': require('./defaultTo'),
+  'flow': require('./flow'),
+  'flowRight': require('./flowRight'),
+  'identity': require('./identity'),
+  'iteratee': require('./iteratee'),
+  'matches': require('./matches'),
+  'matchesProperty': require('./matchesProperty'),
+  'method': require('./method'),
+  'methodOf': require('./methodOf'),
+  'mixin': require('./mixin'),
+  'noop': require('./noop'),
+  'nthArg': require('./nthArg'),
+  'over': require('./over'),
+  'overEvery': require('./overEvery'),
+  'overSome': require('./overSome'),
+  'property': require('./property'),
+  'propertyOf': require('./propertyOf'),
+  'range': require('./range'),
+  'rangeRight': require('./rangeRight'),
+  'stubArray': require('./stubArray'),
+  'stubFalse': require('./stubFalse'),
+  'stubObject': require('./stubObject'),
+  'stubString': require('./stubString'),
+  'stubTrue': require('./stubTrue'),
+  'times': require('./times'),
+  'toPath': require('./toPath'),
+  'uniqueId': require('./uniqueId')
+};
diff --git a/web/public/node_modules/lodash/value.js b/web/public/node_modules/lodash/value.js
new file mode 100644
index 000000000..5e751a2c3
--- /dev/null
+++ b/web/public/node_modules/lodash/value.js
@@ -0,0 +1 @@
+module.exports = require('./wrapperValue');
diff --git a/web/public/node_modules/lodash/valueOf.js b/web/public/node_modules/lodash/valueOf.js
new file mode 100644
index 000000000..5e751a2c3
--- /dev/null
+++ b/web/public/node_modules/lodash/valueOf.js
@@ -0,0 +1 @@
+module.exports = require('./wrapperValue');
diff --git a/web/public/node_modules/lodash/values.js b/web/public/node_modules/lodash/values.js
new file mode 100644
index 000000000..b06965418
--- /dev/null
+++ b/web/public/node_modules/lodash/values.js
@@ -0,0 +1,34 @@
+var baseValues = require('./_baseValues'),
+    keys = require('./keys');
+
+/**
+ * Creates an array of the own enumerable string keyed property values of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property values.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.values(new Foo);
+ * // => [1, 2] (iteration order is not guaranteed)
+ *
+ * _.values('hi');
+ * // => ['h', 'i']
+ */
+function values(object) {
+  return object == null ? [] : baseValues(object, keys(object));
+}
+
+module.exports = values;
diff --git a/web/public/node_modules/lodash/valuesIn.js b/web/public/node_modules/lodash/valuesIn.js
new file mode 100644
index 000000000..629609420
--- /dev/null
+++ b/web/public/node_modules/lodash/valuesIn.js
@@ -0,0 +1,32 @@
+var baseValues = require('./_baseValues'),
+    keysIn = require('./keysIn');
+
+/**
+ * Creates an array of the own and inherited enumerable string keyed property
+ * values of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property values.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.valuesIn(new Foo);
+ * // => [1, 2, 3] (iteration order is not guaranteed)
+ */
+function valuesIn(object) {
+  return object == null ? [] : baseValues(object, keysIn(object));
+}
+
+module.exports = valuesIn;
diff --git a/web/public/node_modules/lodash/without.js b/web/public/node_modules/lodash/without.js
new file mode 100644
index 000000000..3a28e8ae4
--- /dev/null
+++ b/web/public/node_modules/lodash/without.js
@@ -0,0 +1,31 @@
+var baseDifference = require('./_baseDifference'),
+    baseRest = require('./_baseRest'),
+    isArrayLikeObject = require('./isArrayLikeObject');
+
+/**
+ * Creates an array excluding all given values using
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * for equality comparisons.
+ *
+ * **Note:** Unlike `_.pull`, this method returns a new array.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {...*} [values] The values to exclude.
+ * @returns {Array} Returns the new array of filtered values.
+ * @see _.difference, _.xor
+ * @example
+ *
+ * _.without([2, 1, 2, 3], 1, 2);
+ * // => [3]
+ */
+var without = baseRest(function(array, values) {
+  return isArrayLikeObject(array)
+    ? baseDifference(array, values)
+    : [];
+});
+
+module.exports = without;
diff --git a/web/public/node_modules/lodash/words.js b/web/public/node_modules/lodash/words.js
new file mode 100644
index 000000000..6d7cdd185
--- /dev/null
+++ b/web/public/node_modules/lodash/words.js
@@ -0,0 +1,35 @@
+var asciiWords = require('./_asciiWords'),
+    hasUnicodeWord = require('./_hasUnicodeWord'),
+    toString = require('./toString'),
+    unicodeWords = require('./_unicodeWords');
+
+/**
+ * Splits `string` into an array of its words.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to inspect.
+ * @param {RegExp|string} [pattern] The pattern to match words.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the words of `string`.
+ * @example
+ *
+ * _.words('fred, barney, & pebbles');
+ * // => ['fred', 'barney', 'pebbles']
+ *
+ * _.words('fred, barney, & pebbles', /[^, ]+/g);
+ * // => ['fred', 'barney', '&', 'pebbles']
+ */
+function words(string, pattern, guard) {
+  string = toString(string);
+  pattern = guard ? undefined : pattern;
+
+  if (pattern === undefined) {
+    return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+  }
+  return string.match(pattern) || [];
+}
+
+module.exports = words;
diff --git a/web/public/node_modules/lodash/wrap.js b/web/public/node_modules/lodash/wrap.js
new file mode 100644
index 000000000..cad3c501d
--- /dev/null
+++ b/web/public/node_modules/lodash/wrap.js
@@ -0,0 +1,30 @@
+var castFunction = require('./_castFunction'),
+    partial = require('./partial');
+
+/**
+ * Creates a function that provides `value` to `wrapper` as its first
+ * argument. Any additional arguments provided to the function are appended
+ * to those provided to the `wrapper`. The wrapper is invoked with the `this`
+ * binding of the created function.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {*} value The value to wrap.
+ * @param {Function} [wrapper=identity] The wrapper function.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var p = _.wrap(_.escape, function(func, text) {
+ *   return '<p>' + func(text) + '</p>';
+ * });
+ *
+ * p('fred, barney, & pebbles');
+ * // => '<p>fred, barney, &amp; pebbles</p>'
+ */
+function wrap(value, wrapper) {
+  return partial(castFunction(wrapper), value);
+}
+
+module.exports = wrap;
diff --git a/web/public/node_modules/lodash/wrapperAt.js b/web/public/node_modules/lodash/wrapperAt.js
new file mode 100644
index 000000000..6f6a1d080
--- /dev/null
+++ b/web/public/node_modules/lodash/wrapperAt.js
@@ -0,0 +1,48 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    LodashWrapper = require('./_LodashWrapper'),
+    baseAt = require('./_baseAt'),
+    flatRest = require('./_flatRest'),
+    isIndex = require('./_isIndex'),
+    thru = require('./thru');
+
+/**
+ * This method is the wrapper version of `_.at`.
+ *
+ * @name at
+ * @memberOf _
+ * @since 1.0.0
+ * @category Seq
+ * @param {...(string|string[])} [paths] The property paths to pick.
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+ *
+ * _(object).at(['a[0].b.c', 'a[1]']).value();
+ * // => [3, 4]
+ */
+var wrapperAt = flatRest(function(paths) {
+  var length = paths.length,
+      start = length ? paths[0] : 0,
+      value = this.__wrapped__,
+      interceptor = function(object) { return baseAt(object, paths); };
+
+  if (length > 1 || this.__actions__.length ||
+      !(value instanceof LazyWrapper) || !isIndex(start)) {
+    return this.thru(interceptor);
+  }
+  value = value.slice(start, +start + (length ? 1 : 0));
+  value.__actions__.push({
+    'func': thru,
+    'args': [interceptor],
+    'thisArg': undefined
+  });
+  return new LodashWrapper(value, this.__chain__).thru(function(array) {
+    if (length && !array.length) {
+      array.push(undefined);
+    }
+    return array;
+  });
+});
+
+module.exports = wrapperAt;
diff --git a/web/public/node_modules/lodash/wrapperChain.js b/web/public/node_modules/lodash/wrapperChain.js
new file mode 100644
index 000000000..bda2ce69c
--- /dev/null
+++ b/web/public/node_modules/lodash/wrapperChain.js
@@ -0,0 +1,34 @@
+var chain = require('./chain');
+
+/**
+ * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
+ *
+ * @name chain
+ * @memberOf _
+ * @since 0.1.0
+ * @category Seq
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36 },
+ *   { 'user': 'fred',   'age': 40 }
+ * ];
+ *
+ * // A sequence without explicit chaining.
+ * _(users).head();
+ * // => { 'user': 'barney', 'age': 36 }
+ *
+ * // A sequence with explicit chaining.
+ * _(users)
+ *   .chain()
+ *   .head()
+ *   .pick('user')
+ *   .value();
+ * // => { 'user': 'barney' }
+ */
+function wrapperChain() {
+  return chain(this);
+}
+
+module.exports = wrapperChain;
diff --git a/web/public/node_modules/lodash/wrapperLodash.js b/web/public/node_modules/lodash/wrapperLodash.js
new file mode 100644
index 000000000..bd6e8ad9a
--- /dev/null
+++ b/web/public/node_modules/lodash/wrapperLodash.js
@@ -0,0 +1,147 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    LodashWrapper = require('./_LodashWrapper'),
+    baseLodash = require('./_baseLodash'),
+    isArray = require('./isArray'),
+    isObjectLike = require('./isObjectLike'),
+    wrapperClone = require('./_wrapperClone');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Creates a `lodash` object which wraps `value` to enable implicit method
+ * chain sequences. Methods that operate on and return arrays, collections,
+ * and functions can be chained together. Methods that retrieve a single value
+ * or may return a primitive value will automatically end the chain sequence
+ * and return the unwrapped value. Otherwise, the value must be unwrapped
+ * with `_#value`.
+ *
+ * Explicit chain sequences, which must be unwrapped with `_#value`, may be
+ * enabled using `_.chain`.
+ *
+ * The execution of chained methods is lazy, that is, it's deferred until
+ * `_#value` is implicitly or explicitly called.
+ *
+ * Lazy evaluation allows several methods to support shortcut fusion.
+ * Shortcut fusion is an optimization to merge iteratee calls; this avoids
+ * the creation of intermediate arrays and can greatly reduce the number of
+ * iteratee executions. Sections of a chain sequence qualify for shortcut
+ * fusion if the section is applied to an array and iteratees accept only
+ * one argument. The heuristic for whether a section qualifies for shortcut
+ * fusion is subject to change.
+ *
+ * Chaining is supported in custom builds as long as the `_#value` method is
+ * directly or indirectly included in the build.
+ *
+ * In addition to lodash methods, wrappers have `Array` and `String` methods.
+ *
+ * The wrapper `Array` methods are:
+ * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
+ *
+ * The wrapper `String` methods are:
+ * `replace` and `split`
+ *
+ * The wrapper methods that support shortcut fusion are:
+ * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
+ * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
+ * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
+ *
+ * The chainable wrapper methods are:
+ * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
+ * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
+ * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
+ * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
+ * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
+ * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
+ * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
+ * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
+ * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
+ * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
+ * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
+ * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
+ * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
+ * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
+ * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
+ * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
+ * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
+ * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
+ * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
+ * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
+ * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
+ * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
+ * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
+ * `zipObject`, `zipObjectDeep`, and `zipWith`
+ *
+ * The wrapper methods that are **not** chainable by default are:
+ * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
+ * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
+ * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
+ * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
+ * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
+ * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
+ * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
+ * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
+ * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
+ * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
+ * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
+ * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
+ * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
+ * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
+ * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
+ * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
+ * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
+ * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
+ * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
+ * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
+ * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
+ * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
+ * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
+ * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
+ * `upperFirst`, `value`, and `words`
+ *
+ * @name _
+ * @constructor
+ * @category Seq
+ * @param {*} value The value to wrap in a `lodash` instance.
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var wrapped = _([1, 2, 3]);
+ *
+ * // Returns an unwrapped value.
+ * wrapped.reduce(_.add);
+ * // => 6
+ *
+ * // Returns a wrapped value.
+ * var squares = wrapped.map(square);
+ *
+ * _.isArray(squares);
+ * // => false
+ *
+ * _.isArray(squares.value());
+ * // => true
+ */
+function lodash(value) {
+  if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
+    if (value instanceof LodashWrapper) {
+      return value;
+    }
+    if (hasOwnProperty.call(value, '__wrapped__')) {
+      return wrapperClone(value);
+    }
+  }
+  return new LodashWrapper(value);
+}
+
+// Ensure wrappers are instances of `baseLodash`.
+lodash.prototype = baseLodash.prototype;
+lodash.prototype.constructor = lodash;
+
+module.exports = lodash;
diff --git a/web/public/node_modules/lodash/wrapperReverse.js b/web/public/node_modules/lodash/wrapperReverse.js
new file mode 100644
index 000000000..e93112a21
--- /dev/null
+++ b/web/public/node_modules/lodash/wrapperReverse.js
@@ -0,0 +1,44 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    LodashWrapper = require('./_LodashWrapper'),
+    reverse = require('./reverse'),
+    thru = require('./thru');
+
+/**
+ * This method is the wrapper version of `_.reverse`.
+ *
+ * **Note:** This method mutates the wrapped array.
+ *
+ * @name reverse
+ * @memberOf _
+ * @since 0.1.0
+ * @category Seq
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * var array = [1, 2, 3];
+ *
+ * _(array).reverse().value()
+ * // => [3, 2, 1]
+ *
+ * console.log(array);
+ * // => [3, 2, 1]
+ */
+function wrapperReverse() {
+  var value = this.__wrapped__;
+  if (value instanceof LazyWrapper) {
+    var wrapped = value;
+    if (this.__actions__.length) {
+      wrapped = new LazyWrapper(this);
+    }
+    wrapped = wrapped.reverse();
+    wrapped.__actions__.push({
+      'func': thru,
+      'args': [reverse],
+      'thisArg': undefined
+    });
+    return new LodashWrapper(wrapped, this.__chain__);
+  }
+  return this.thru(reverse);
+}
+
+module.exports = wrapperReverse;
diff --git a/web/public/node_modules/lodash/wrapperValue.js b/web/public/node_modules/lodash/wrapperValue.js
new file mode 100644
index 000000000..f56c2dade
--- /dev/null
+++ b/web/public/node_modules/lodash/wrapperValue.js
@@ -0,0 +1,21 @@
+var baseWrapperValue = require('./_baseWrapperValue');
+
+/**
+ * Executes the chain sequence to resolve the unwrapped value.
+ *
+ * @name value
+ * @memberOf _
+ * @since 0.1.0
+ * @alias toJSON, valueOf
+ * @category Seq
+ * @returns {*} Returns the resolved unwrapped value.
+ * @example
+ *
+ * _([1, 2, 3]).value();
+ * // => [1, 2, 3]
+ */
+function wrapperValue() {
+  return baseWrapperValue(this.__wrapped__, this.__actions__);
+}
+
+module.exports = wrapperValue;
diff --git a/web/public/node_modules/lodash/xor.js b/web/public/node_modules/lodash/xor.js
new file mode 100644
index 000000000..d4d286045
--- /dev/null
+++ b/web/public/node_modules/lodash/xor.js
@@ -0,0 +1,28 @@
+var arrayFilter = require('./_arrayFilter'),
+    baseRest = require('./_baseRest'),
+    baseXor = require('./_baseXor'),
+    isArrayLikeObject = require('./isArrayLikeObject');
+
+/**
+ * Creates an array of unique values that is the
+ * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+ * of the given arrays. The order of result values is determined by the order
+ * they occur in the arrays.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @returns {Array} Returns the new array of filtered values.
+ * @see _.difference, _.without
+ * @example
+ *
+ * _.xor([2, 1], [2, 3]);
+ * // => [1, 3]
+ */
+var xor = baseRest(function(arrays) {
+  return baseXor(arrayFilter(arrays, isArrayLikeObject));
+});
+
+module.exports = xor;
diff --git a/web/public/node_modules/lodash/xorBy.js b/web/public/node_modules/lodash/xorBy.js
new file mode 100644
index 000000000..e0478950c
--- /dev/null
+++ b/web/public/node_modules/lodash/xorBy.js
@@ -0,0 +1,39 @@
+var arrayFilter = require('./_arrayFilter'),
+    baseIteratee = require('./_baseIteratee'),
+    baseRest = require('./_baseRest'),
+    baseXor = require('./_baseXor'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.xor` except that it accepts `iteratee` which is
+ * invoked for each element of each `arrays` to generate the criterion by
+ * which by which they're compared. The order of result values is determined
+ * by the order they occur in the arrays. The iteratee is invoked with one
+ * argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+ * @returns {Array} Returns the new array of filtered values.
+ * @example
+ *
+ * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+ * // => [1.2, 3.4]
+ *
+ * // The `_.property` iteratee shorthand.
+ * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+ * // => [{ 'x': 2 }]
+ */
+var xorBy = baseRest(function(arrays) {
+  var iteratee = last(arrays);
+  if (isArrayLikeObject(iteratee)) {
+    iteratee = undefined;
+  }
+  return baseXor(arrayFilter(arrays, isArrayLikeObject), baseIteratee(iteratee, 2));
+});
+
+module.exports = xorBy;
diff --git a/web/public/node_modules/lodash/xorWith.js b/web/public/node_modules/lodash/xorWith.js
new file mode 100644
index 000000000..e3a8ac67f
--- /dev/null
+++ b/web/public/node_modules/lodash/xorWith.js
@@ -0,0 +1,34 @@
+var arrayFilter = require('./_arrayFilter'),
+    baseRest = require('./_baseRest'),
+    baseXor = require('./_baseXor'),
+    isArrayLikeObject = require('./isArrayLikeObject'),
+    last = require('./last');
+
+/**
+ * This method is like `_.xor` except that it accepts `comparator` which is
+ * invoked to compare elements of `arrays`. The order of result values is
+ * determined by the order they occur in the arrays. The comparator is invoked
+ * with two arguments: (arrVal, othVal).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new array of filtered values.
+ * @example
+ *
+ * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+ * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+ *
+ * _.xorWith(objects, others, _.isEqual);
+ * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+ */
+var xorWith = baseRest(function(arrays) {
+  var comparator = last(arrays);
+  comparator = typeof comparator == 'function' ? comparator : undefined;
+  return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
+});
+
+module.exports = xorWith;
diff --git a/web/public/node_modules/lodash/zip.js b/web/public/node_modules/lodash/zip.js
new file mode 100644
index 000000000..c800ab3d1
--- /dev/null
+++ b/web/public/node_modules/lodash/zip.js
@@ -0,0 +1,22 @@
+var baseRest = require('./_baseRest'),
+    unzip = require('./unzip');
+
+/**
+ * Creates an array of grouped elements, the first of which contains the
+ * first elements of the given arrays, the second of which contains the
+ * second elements of the given arrays, and so on.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to process.
+ * @returns {Array} Returns the new array of grouped elements.
+ * @example
+ *
+ * _.zip(['a', 'b'], [1, 2], [true, false]);
+ * // => [['a', 1, true], ['b', 2, false]]
+ */
+var zip = baseRest(unzip);
+
+module.exports = zip;
diff --git a/web/public/node_modules/lodash/zipObject.js b/web/public/node_modules/lodash/zipObject.js
new file mode 100644
index 000000000..23fdf1417
--- /dev/null
+++ b/web/public/node_modules/lodash/zipObject.js
@@ -0,0 +1,24 @@
+var assignValue = require('./_assignValue'),
+    baseZipObject = require('./_baseZipObject');
+
+/**
+ * This method is like `_.fromPairs` except that it accepts two arrays,
+ * one of property identifiers and one of corresponding values.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.4.0
+ * @category Array
+ * @param {Array} [props=[]] The property identifiers.
+ * @param {Array} [values=[]] The property values.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * _.zipObject(['a', 'b'], [1, 2]);
+ * // => { 'a': 1, 'b': 2 }
+ */
+function zipObject(props, values) {
+  return baseZipObject(props || [], values || [], assignValue);
+}
+
+module.exports = zipObject;
diff --git a/web/public/node_modules/lodash/zipObjectDeep.js b/web/public/node_modules/lodash/zipObjectDeep.js
new file mode 100644
index 000000000..7c858f844
--- /dev/null
+++ b/web/public/node_modules/lodash/zipObjectDeep.js
@@ -0,0 +1,23 @@
+var baseSet = require('./_baseSet'),
+    baseZipObject = require('./_baseZipObject');
+
+/**
+ * This method is like `_.zipObject` except that it supports property paths.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.1.0
+ * @category Array
+ * @param {Array} [props=[]] The property identifiers.
+ * @param {Array} [values=[]] The property values.
+ * @returns {Object} Returns the new object.
+ * @example
+ *
+ * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
+ * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
+ */
+function zipObjectDeep(props, values) {
+  return baseZipObject(props || [], values || [], baseSet);
+}
+
+module.exports = zipObjectDeep;
diff --git a/web/public/node_modules/lodash/zipWith.js b/web/public/node_modules/lodash/zipWith.js
new file mode 100644
index 000000000..d7a1f9197
--- /dev/null
+++ b/web/public/node_modules/lodash/zipWith.js
@@ -0,0 +1,32 @@
+var baseRest = require('./_baseRest'),
+    unzipWith = require('./unzipWith');
+
+/**
+ * This method is like `_.zip` except that it accepts `iteratee` to specify
+ * how grouped values should be combined. The iteratee is invoked with the
+ * elements of each group: (...group).
+ *
+ * @static
+ * @memberOf _
+ * @since 3.8.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to process.
+ * @param {Function} [iteratee=_.identity] The function to combine
+ *  grouped values.
+ * @returns {Array} Returns the new array of grouped elements.
+ * @example
+ *
+ * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
+ *   return a + b + c;
+ * });
+ * // => [111, 222]
+ */
+var zipWith = baseRest(function(arrays) {
+  var length = arrays.length,
+      iteratee = length > 1 ? arrays[length - 1] : undefined;
+
+  iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
+  return unzipWith(arrays, iteratee);
+});
+
+module.exports = zipWith;
diff --git a/web/public/node_modules/mime/.npmignore b/web/public/node_modules/mime/.npmignore
new file mode 100644
index 000000000..e69de29bb
diff --git a/web/public/node_modules/mime/CHANGELOG.md b/web/public/node_modules/mime/CHANGELOG.md
new file mode 100644
index 000000000..f12753505
--- /dev/null
+++ b/web/public/node_modules/mime/CHANGELOG.md
@@ -0,0 +1,164 @@
+# Changelog
+
+## v1.6.0 (24/11/2017)
+*No changelog for this release.*
+
+---
+
+## v2.0.4 (24/11/2017)
+- [**closed**] Switch to mime-score module for resolving extension contention issues. [#182](https://github.com/broofa/node-mime/issues/182)
+- [**closed**] Update mime-db to 1.31.0 in v1.x branch [#181](https://github.com/broofa/node-mime/issues/181)
+
+---
+
+## v1.5.0 (22/11/2017)
+- [**closed**] need ES5 version ready in npm package [#179](https://github.com/broofa/node-mime/issues/179)
+- [**closed**] mime-db no trace of iWork - pages / numbers / etc. [#178](https://github.com/broofa/node-mime/issues/178)
+- [**closed**] How it works in brownser ? [#176](https://github.com/broofa/node-mime/issues/176)
+- [**closed**] Missing `./Mime` [#175](https://github.com/broofa/node-mime/issues/175)
+- [**closed**] Vulnerable Regular Expression [#167](https://github.com/broofa/node-mime/issues/167)
+
+---
+
+## v2.0.3 (25/09/2017)
+*No changelog for this release.*
+
+---
+
+## v1.4.1 (25/09/2017)
+- [**closed**] Issue when bundling with webpack [#172](https://github.com/broofa/node-mime/issues/172)
+
+---
+
+## v2.0.2 (15/09/2017)
+- [**V2**] fs.readFileSync is not a function [#165](https://github.com/broofa/node-mime/issues/165)
+- [**closed**] The extension for video/quicktime should map to .mov, not .qt [#164](https://github.com/broofa/node-mime/issues/164)
+- [**V2**] [v2 Feedback request] Mime class API [#163](https://github.com/broofa/node-mime/issues/163)
+- [**V2**] [v2 Feedback request] Resolving conflicts over extensions [#162](https://github.com/broofa/node-mime/issues/162)
+- [**V2**] Allow callers to load module with official, full, or no defined types.  [#161](https://github.com/broofa/node-mime/issues/161)
+- [**V2**] Use "facets" to resolve extension conflicts [#160](https://github.com/broofa/node-mime/issues/160)
+- [**V2**] Remove fs and path dependencies [#152](https://github.com/broofa/node-mime/issues/152)
+- [**V2**] Default content-type should not be application/octet-stream [#139](https://github.com/broofa/node-mime/issues/139)
+- [**V2**] reset mime-types [#124](https://github.com/broofa/node-mime/issues/124)
+- [**V2**] Extensionless paths should return null or false [#113](https://github.com/broofa/node-mime/issues/113)
+
+---
+
+## v2.0.1 (14/09/2017)
+- [**closed**] Changelog for v2.0 does not mention breaking changes [#171](https://github.com/broofa/node-mime/issues/171)
+- [**closed**] MIME breaking with 'class' declaration as it is without 'use strict mode' [#170](https://github.com/broofa/node-mime/issues/170)
+
+---
+
+## v2.0.0 (12/09/2017)
+- [**closed**] woff and woff2 [#168](https://github.com/broofa/node-mime/issues/168)
+
+---
+
+## v1.4.0 (28/08/2017)
+- [**closed**] support for ac3 voc files [#159](https://github.com/broofa/node-mime/issues/159)
+- [**closed**] Help understanding change from application/xml to text/xml [#158](https://github.com/broofa/node-mime/issues/158)
+- [**closed**] no longer able to override mimetype [#157](https://github.com/broofa/node-mime/issues/157)
+- [**closed**] application/vnd.adobe.photoshop [#147](https://github.com/broofa/node-mime/issues/147)
+- [**closed**] Directories should appear as something other than application/octet-stream [#135](https://github.com/broofa/node-mime/issues/135)
+- [**closed**] requested features [#131](https://github.com/broofa/node-mime/issues/131)
+- [**closed**] Make types.json loading optional? [#129](https://github.com/broofa/node-mime/issues/129)
+- [**closed**] Cannot find module './types.json' [#120](https://github.com/broofa/node-mime/issues/120)
+- [**V2**] .wav files show up as "audio/x-wav" instead of "audio/x-wave" [#118](https://github.com/broofa/node-mime/issues/118)
+- [**closed**] Don't be a pain in the ass for node community [#108](https://github.com/broofa/node-mime/issues/108)
+- [**closed**] don't make default_type global [#78](https://github.com/broofa/node-mime/issues/78)
+- [**closed**] mime.extension() fails if the content-type is parameterized [#74](https://github.com/broofa/node-mime/issues/74)
+
+---
+
+## v1.3.6 (11/05/2017)
+- [**closed**] .md should be text/markdown as of March 2016 [#154](https://github.com/broofa/node-mime/issues/154)
+- [**closed**] Error while installing mime [#153](https://github.com/broofa/node-mime/issues/153)
+- [**closed**] application/manifest+json [#149](https://github.com/broofa/node-mime/issues/149)
+- [**closed**] Dynamic adaptive streaming over HTTP (DASH) file extension typo [#141](https://github.com/broofa/node-mime/issues/141)
+- [**closed**] charsets image/png undefined [#140](https://github.com/broofa/node-mime/issues/140)
+- [**closed**] Mime-db dependency out of date [#130](https://github.com/broofa/node-mime/issues/130)
+- [**closed**] how to support plist？ [#126](https://github.com/broofa/node-mime/issues/126)
+- [**closed**] how does .types file format look like? [#123](https://github.com/broofa/node-mime/issues/123)
+- [**closed**] Feature: support for expanding MIME patterns [#121](https://github.com/broofa/node-mime/issues/121)
+- [**closed**] DEBUG_MIME doesn't work [#117](https://github.com/broofa/node-mime/issues/117)
+
+---
+
+## v1.3.4 (06/02/2015)
+*No changelog for this release.*
+
+---
+
+## v1.3.3 (06/02/2015)
+*No changelog for this release.*
+
+---
+
+## v1.3.1 (05/02/2015)
+- [**closed**] Consider adding support for Handlebars .hbs file ending [#111](https://github.com/broofa/node-mime/issues/111)
+- [**closed**] Consider adding support for hjson. [#110](https://github.com/broofa/node-mime/issues/110)
+- [**closed**] Add mime type for Opus audio files [#94](https://github.com/broofa/node-mime/issues/94)
+- [**closed**] Consider making the `Requesting New Types` information more visible [#77](https://github.com/broofa/node-mime/issues/77)
+
+---
+
+## v1.3.0 (05/02/2015)
+- [**closed**] Add common name? [#114](https://github.com/broofa/node-mime/issues/114)
+- [**closed**] application/x-yaml [#104](https://github.com/broofa/node-mime/issues/104)
+- [**closed**] Add mime type for WOFF file format 2.0 [#102](https://github.com/broofa/node-mime/issues/102)
+- [**closed**] application/x-msi for .msi [#99](https://github.com/broofa/node-mime/issues/99)
+- [**closed**] Add mimetype for gettext translation files [#98](https://github.com/broofa/node-mime/issues/98)
+- [**closed**] collaborators [#88](https://github.com/broofa/node-mime/issues/88)
+- [**closed**] getting errot in installation of mime module...any1 can help? [#87](https://github.com/broofa/node-mime/issues/87)
+- [**closed**] should application/json's charset be utf8? [#86](https://github.com/broofa/node-mime/issues/86)
+- [**closed**] Add "license" and "licenses" to package.json [#81](https://github.com/broofa/node-mime/issues/81)
+- [**closed**] lookup with extension-less file on Windows returns wrong type [#68](https://github.com/broofa/node-mime/issues/68)
+
+---
+
+## v1.2.11 (15/08/2013)
+- [**closed**] Update mime.types [#65](https://github.com/broofa/node-mime/issues/65)
+- [**closed**] Publish a new version [#63](https://github.com/broofa/node-mime/issues/63)
+- [**closed**] README should state upfront that "application/octet-stream" is default for unknown extension [#55](https://github.com/broofa/node-mime/issues/55)
+- [**closed**] Suggested improvement to the charset API [#52](https://github.com/broofa/node-mime/issues/52)
+
+---
+
+## v1.2.10 (25/07/2013)
+- [**closed**] Mime type for woff files should be application/font-woff and not application/x-font-woff [#62](https://github.com/broofa/node-mime/issues/62)
+- [**closed**] node.types in conflict with mime.types [#51](https://github.com/broofa/node-mime/issues/51)
+
+---
+
+## v1.2.9 (17/01/2013)
+- [**closed**] Please update "mime" NPM [#49](https://github.com/broofa/node-mime/issues/49)
+- [**closed**] Please add semicolon [#46](https://github.com/broofa/node-mime/issues/46)
+- [**closed**] parse full mime types [#43](https://github.com/broofa/node-mime/issues/43)
+
+---
+
+## v1.2.8 (10/01/2013)
+- [**closed**] /js directory mime is application/javascript. Is it correct? [#47](https://github.com/broofa/node-mime/issues/47)
+- [**closed**] Add mime types for lua code. [#45](https://github.com/broofa/node-mime/issues/45)
+
+---
+
+## v1.2.7 (19/10/2012)
+- [**closed**] cannot install 1.2.7 via npm [#41](https://github.com/broofa/node-mime/issues/41)
+- [**closed**] Transfer ownership to @broofa [#36](https://github.com/broofa/node-mime/issues/36)
+- [**closed**] it's wrong to set charset to UTF-8 for text [#30](https://github.com/broofa/node-mime/issues/30)
+- [**closed**] Allow multiple instances of MIME types container [#27](https://github.com/broofa/node-mime/issues/27)
+
+---
+
+## v1.2.5 (16/02/2012)
+- [**closed**] When looking up a types, check hasOwnProperty [#23](https://github.com/broofa/node-mime/issues/23)
+- [**closed**] Bump version to 1.2.2 [#18](https://github.com/broofa/node-mime/issues/18)
+- [**closed**] No license [#16](https://github.com/broofa/node-mime/issues/16)
+- [**closed**] Some types missing that are used by html5/css3 [#13](https://github.com/broofa/node-mime/issues/13)
+- [**closed**] npm install fails for 1.2.1 [#12](https://github.com/broofa/node-mime/issues/12)
+- [**closed**] image/pjpeg + image/x-png [#10](https://github.com/broofa/node-mime/issues/10)
+- [**closed**] symlink [#8](https://github.com/broofa/node-mime/issues/8)
+- [**closed**] gzip [#2](https://github.com/broofa/node-mime/issues/2)
+- [**closed**] ALL CAPS filenames return incorrect mime type [#1](https://github.com/broofa/node-mime/issues/1)
diff --git a/web/public/node_modules/mime/LICENSE b/web/public/node_modules/mime/LICENSE
new file mode 100644
index 000000000..d3f46f7e1
--- /dev/null
+++ b/web/public/node_modules/mime/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2010 Benjamin Thomas, Robert Kieffer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/mime/README.md b/web/public/node_modules/mime/README.md
new file mode 100644
index 000000000..506fbe550
--- /dev/null
+++ b/web/public/node_modules/mime/README.md
@@ -0,0 +1,90 @@
+# mime
+
+Comprehensive MIME type mapping API based on mime-db module.
+
+## Install
+
+Install with [npm](http://github.com/isaacs/npm):
+
+    npm install mime
+
+## Contributing / Testing
+
+    npm run test
+
+## Command Line
+
+    mime [path_string]
+
+E.g.
+
+    > mime scripts/jquery.js
+    application/javascript
+
+## API - Queries
+
+### mime.lookup(path)
+Get the mime type associated with a file, if no mime type is found `application/octet-stream` is returned. Performs a case-insensitive lookup using the extension in `path` (the substring after the last '/' or '.').  E.g.
+
+```js
+var mime = require('mime');
+
+mime.lookup('/path/to/file.txt');         // => 'text/plain'
+mime.lookup('file.txt');                  // => 'text/plain'
+mime.lookup('.TXT');                      // => 'text/plain'
+mime.lookup('htm');                       // => 'text/html'
+```
+
+### mime.default_type
+Sets the mime type returned when `mime.lookup` fails to find the extension searched for. (Default is `application/octet-stream`.)
+
+### mime.extension(type)
+Get the default extension for `type`
+
+```js
+mime.extension('text/html');                 // => 'html'
+mime.extension('application/octet-stream');  // => 'bin'
+```
+
+### mime.charsets.lookup()
+
+Map mime-type to charset
+
+```js
+mime.charsets.lookup('text/plain');        // => 'UTF-8'
+```
+
+(The logic for charset lookups is pretty rudimentary.  Feel free to suggest improvements.)
+
+## API - Defining Custom Types
+
+Custom type mappings can be added on a per-project basis via the following APIs.
+
+### mime.define()
+
+Add custom mime/extension mappings
+
+```js
+mime.define({
+    'text/x-some-format': ['x-sf', 'x-sft', 'x-sfml'],
+    'application/x-my-type': ['x-mt', 'x-mtt'],
+    // etc ...
+});
+
+mime.lookup('x-sft');                 // => 'text/x-some-format'
+```
+
+The first entry in the extensions array is returned by `mime.extension()`. E.g.
+
+```js
+mime.extension('text/x-some-format'); // => 'x-sf'
+```
+
+### mime.load(filepath)
+
+Load mappings from an Apache ".types" format file
+
+```js
+mime.load('./my_project.types');
+```
+The .types file format is simple -  See the `types` dir for examples.
diff --git a/web/public/node_modules/mime/cli.js b/web/public/node_modules/mime/cli.js
new file mode 100644
index 000000000..20b1ffeb2
--- /dev/null
+++ b/web/public/node_modules/mime/cli.js
@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+
+var mime = require('./mime.js');
+var file = process.argv[2];
+var type = mime.lookup(file);
+
+process.stdout.write(type + '\n');
+
diff --git a/web/public/node_modules/mime/mime.js b/web/public/node_modules/mime/mime.js
new file mode 100644
index 000000000..d7efbde70
--- /dev/null
+++ b/web/public/node_modules/mime/mime.js
@@ -0,0 +1,108 @@
+var path = require('path');
+var fs = require('fs');
+
+function Mime() {
+  // Map of extension -> mime type
+  this.types = Object.create(null);
+
+  // Map of mime type -> extension
+  this.extensions = Object.create(null);
+}
+
+/**
+ * Define mimetype -> extension mappings.  Each key is a mime-type that maps
+ * to an array of extensions associated with the type.  The first extension is
+ * used as the default extension for the type.
+ *
+ * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']});
+ *
+ * @param map (Object) type definitions
+ */
+Mime.prototype.define = function (map) {
+  for (var type in map) {
+    var exts = map[type];
+    for (var i = 0; i < exts.length; i++) {
+      if (process.env.DEBUG_MIME && this.types[exts[i]]) {
+        console.warn((this._loading || "define()").replace(/.*\//, ''), 'changes "' + exts[i] + '" extension type from ' +
+          this.types[exts[i]] + ' to ' + type);
+      }
+
+      this.types[exts[i]] = type;
+    }
+
+    // Default extension is the first one we encounter
+    if (!this.extensions[type]) {
+      this.extensions[type] = exts[0];
+    }
+  }
+};
+
+/**
+ * Load an Apache2-style ".types" file
+ *
+ * This may be called multiple times (it's expected).  Where files declare
+ * overlapping types/extensions, the last file wins.
+ *
+ * @param file (String) path of file to load.
+ */
+Mime.prototype.load = function(file) {
+  this._loading = file;
+  // Read file and split into lines
+  var map = {},
+      content = fs.readFileSync(file, 'ascii'),
+      lines = content.split(/[\r\n]+/);
+
+  lines.forEach(function(line) {
+    // Clean up whitespace/comments, and split into fields
+    var fields = line.replace(/\s*#.*|^\s*|\s*$/g, '').split(/\s+/);
+    map[fields.shift()] = fields;
+  });
+
+  this.define(map);
+
+  this._loading = null;
+};
+
+/**
+ * Lookup a mime type based on extension
+ */
+Mime.prototype.lookup = function(path, fallback) {
+  var ext = path.replace(/^.*[\.\/\\]/, '').toLowerCase();
+
+  return this.types[ext] || fallback || this.default_type;
+};
+
+/**
+ * Return file extension associated with a mime type
+ */
+Mime.prototype.extension = function(mimeType) {
+  var type = mimeType.match(/^\s*([^;\s]*)(?:;|\s|$)/)[1].toLowerCase();
+  return this.extensions[type];
+};
+
+// Default instance
+var mime = new Mime();
+
+// Define built-in types
+mime.define(require('./types.json'));
+
+// Default type
+mime.default_type = mime.lookup('bin');
+
+//
+// Additional API specific to the default instance
+//
+
+mime.Mime = Mime;
+
+/**
+ * Lookup a charset based on mime type.
+ */
+mime.charsets = {
+  lookup: function(mimeType, fallback) {
+    // Assume text types are utf8
+    return (/^text\/|^application\/(javascript|json)/).test(mimeType) ? 'UTF-8' : fallback;
+  }
+};
+
+module.exports = mime;
diff --git a/web/public/node_modules/mime/package.json b/web/public/node_modules/mime/package.json
new file mode 100644
index 000000000..6bd24bc53
--- /dev/null
+++ b/web/public/node_modules/mime/package.json
@@ -0,0 +1,44 @@
+{
+  "author": {
+    "name": "Robert Kieffer",
+    "url": "http://github.com/broofa",
+    "email": "robert@broofa.com"
+  },
+  "bin": {
+    "mime": "cli.js"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "contributors": [
+    {
+      "name": "Benjamin Thomas",
+      "url": "http://github.com/bentomas",
+      "email": "benjamin@benjaminthomas.org"
+    }
+  ],
+  "description": "A comprehensive library for mime-type mapping",
+  "license": "MIT",
+  "dependencies": {},
+  "devDependencies": {
+    "github-release-notes": "0.13.1",
+    "mime-db": "1.31.0",
+    "mime-score": "1.1.0"
+  },
+  "scripts": {
+    "prepare": "node src/build.js",
+    "changelog": "gren changelog --tags=all --generate --override",
+    "test": "node src/test.js"
+  },
+  "keywords": [
+    "util",
+    "mime"
+  ],
+  "main": "mime.js",
+  "name": "mime",
+  "repository": {
+    "url": "https://github.com/broofa/node-mime",
+    "type": "git"
+  },
+  "version": "1.6.0"
+}
diff --git a/web/public/node_modules/mime/src/build.js b/web/public/node_modules/mime/src/build.js
new file mode 100644
index 000000000..4928e48bc
--- /dev/null
+++ b/web/public/node_modules/mime/src/build.js
@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const mimeScore = require('mime-score');
+
+let db = require('mime-db');
+let chalk = require('chalk');
+
+const STANDARD_FACET_SCORE = 900;
+
+const byExtension = {};
+
+// Clear out any conflict extensions in mime-db
+for (let type in db) {
+  let entry = db[type];
+  entry.type = type;
+
+  if (!entry.extensions) continue;
+
+  entry.extensions.forEach(ext => {
+    if (ext in byExtension) {
+      const e0 = entry;
+      const e1 = byExtension[ext];
+      e0.pri = mimeScore(e0.type, e0.source);
+      e1.pri = mimeScore(e1.type, e1.source);
+
+      let drop = e0.pri < e1.pri ? e0 : e1;
+      let keep = e0.pri >= e1.pri ? e0 : e1;
+      drop.extensions = drop.extensions.filter(e => e !== ext);
+
+      console.log(`${ext}: Keeping ${chalk.green(keep.type)} (${keep.pri}), dropping ${chalk.red(drop.type)} (${drop.pri})`);
+    }
+    byExtension[ext] = entry;
+  });
+}
+
+function writeTypesFile(types, path) {
+  fs.writeFileSync(path, JSON.stringify(types));
+}
+
+// Segregate into standard and non-standard types based on facet per
+// https://tools.ietf.org/html/rfc6838#section-3.1
+const types = {};
+
+Object.keys(db).sort().forEach(k => {
+  const entry = db[k];
+  types[entry.type] = entry.extensions;
+});
+
+writeTypesFile(types, path.join(__dirname, '..', 'types.json'));
diff --git a/web/public/node_modules/mime/src/test.js b/web/public/node_modules/mime/src/test.js
new file mode 100644
index 000000000..42958a20d
--- /dev/null
+++ b/web/public/node_modules/mime/src/test.js
@@ -0,0 +1,60 @@
+/**
+ * Usage: node test.js
+ */
+
+var mime = require('../mime');
+var assert = require('assert');
+var path = require('path');
+
+//
+// Test mime lookups
+//
+
+assert.equal('text/plain', mime.lookup('text.txt'));     // normal file
+assert.equal('text/plain', mime.lookup('TEXT.TXT'));     // uppercase
+assert.equal('text/plain', mime.lookup('dir/text.txt')); // dir + file
+assert.equal('text/plain', mime.lookup('.text.txt'));    // hidden file
+assert.equal('text/plain', mime.lookup('.txt'));         // nameless
+assert.equal('text/plain', mime.lookup('txt'));          // extension-only
+assert.equal('text/plain', mime.lookup('/txt'));         // extension-less ()
+assert.equal('text/plain', mime.lookup('\\txt'));        // Windows, extension-less
+assert.equal('application/octet-stream', mime.lookup('text.nope')); // unrecognized
+assert.equal('fallback', mime.lookup('text.fallback', 'fallback')); // alternate default
+
+//
+// Test extensions
+//
+
+assert.equal('txt', mime.extension(mime.types.text));
+assert.equal('html', mime.extension(mime.types.htm));
+assert.equal('bin', mime.extension('application/octet-stream'));
+assert.equal('bin', mime.extension('application/octet-stream '));
+assert.equal('html', mime.extension(' text/html; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html; charset=UTF-8 '));
+assert.equal('html', mime.extension('text/html; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html ; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html;charset=UTF-8'));
+assert.equal('html', mime.extension('text/Html;charset=UTF-8'));
+assert.equal(undefined, mime.extension('unrecognized'));
+
+//
+// Test node.types lookups
+//
+
+assert.equal('font/woff', mime.lookup('file.woff'));
+assert.equal('application/octet-stream', mime.lookup('file.buffer'));
+// TODO: Uncomment once #157 is resolved
+// assert.equal('audio/mp4', mime.lookup('file.m4a'));
+assert.equal('font/otf', mime.lookup('file.otf'));
+
+//
+// Test charsets
+//
+
+assert.equal('UTF-8', mime.charsets.lookup('text/plain'));
+assert.equal('UTF-8', mime.charsets.lookup(mime.types.js));
+assert.equal('UTF-8', mime.charsets.lookup(mime.types.json));
+assert.equal(undefined, mime.charsets.lookup(mime.types.bin));
+assert.equal('fallback', mime.charsets.lookup('application/octet-stream', 'fallback'));
+
+console.log('\nAll tests passed');
diff --git a/web/public/node_modules/mime/types.json b/web/public/node_modules/mime/types.json
new file mode 100644
index 000000000..bec78abd4
--- /dev/null
+++ b/web/public/node_modules/mime/types.json
@@ -0,0 +1 @@
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+	"rules": {
+		"array-element-newline": 0,
+		"complexity": 0,
+		"func-style": [2, "declaration"],
+		"max-lines-per-function": 0,
+		"max-nested-callbacks": 1,
+		"max-statements-per-line": 1,
+		"max-statements": 0,
+		"multiline-comment-style": 0,
+		"no-continue": 1,
+		"no-param-reassign": 1,
+		"no-restricted-syntax": 1,
+		"object-curly-newline": 0,
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"camelcase": 0,
+			},
+		},
+	]
+}
diff --git a/web/public/node_modules/minimist/.github/FUNDING.yml b/web/public/node_modules/minimist/.github/FUNDING.yml
new file mode 100644
index 000000000..a9366222e
--- /dev/null
+++ b/web/public/node_modules/minimist/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/minimist
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/minimist/.nycrc b/web/public/node_modules/minimist/.nycrc
new file mode 100644
index 000000000..55c3d2936
--- /dev/null
+++ b/web/public/node_modules/minimist/.nycrc
@@ -0,0 +1,14 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"example",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/minimist/CHANGELOG.md b/web/public/node_modules/minimist/CHANGELOG.md
new file mode 100644
index 000000000..c9a1e15e6
--- /dev/null
+++ b/web/public/node_modules/minimist/CHANGELOG.md
@@ -0,0 +1,298 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.8](https://github.com/minimistjs/minimist/compare/v1.2.7...v1.2.8) - 2023-02-09
+
+### Merged
+
+- [Fix] Fix long option followed by single dash [`#17`](https://github.com/minimistjs/minimist/pull/17)
+- [Tests] Remove duplicate test [`#12`](https://github.com/minimistjs/minimist/pull/12)
+- [Fix] opt.string works with multiple aliases [`#10`](https://github.com/minimistjs/minimist/pull/10)
+
+### Fixed
+
+- [Fix] Fix long option followed by single dash (#17) [`#15`](https://github.com/minimistjs/minimist/issues/15)
+- [Tests] Remove duplicate test (#12) [`#8`](https://github.com/minimistjs/minimist/issues/8)
+- [Fix] Fix long option followed by single dash [`#15`](https://github.com/minimistjs/minimist/issues/15)
+- [Fix] opt.string works with multiple aliases (#10) [`#9`](https://github.com/minimistjs/minimist/issues/9)
+- [Fix] Fix handling of short option with non-trivial equals [`#5`](https://github.com/minimistjs/minimist/issues/5)
+- [Tests] Remove duplicate test [`#8`](https://github.com/minimistjs/minimist/issues/8)
+- [Fix] opt.string works with multiple aliases [`#9`](https://github.com/minimistjs/minimist/issues/9)
+
+### Commits
+
+- Merge tag 'v0.2.3' [`a026794`](https://github.com/minimistjs/minimist/commit/a0267947c7870fc5847cf2d437fbe33f392767da)
+- [eslint] fix indentation and whitespace [`5368ca4`](https://github.com/minimistjs/minimist/commit/5368ca4147e974138a54cc0dc4cea8f756546b70)
+- [eslint] fix indentation and whitespace [`e5f5067`](https://github.com/minimistjs/minimist/commit/e5f5067259ceeaf0b098d14bec910f87e58708c7)
+- [eslint] more cleanup [`62fde7d`](https://github.com/minimistjs/minimist/commit/62fde7d935f83417fb046741531a9e2346a36976)
+- [eslint] more cleanup [`36ac5d0`](https://github.com/minimistjs/minimist/commit/36ac5d0d95e4947d074e5737d94814034ca335d1)
+- [meta] add `auto-changelog` [`73923d2`](https://github.com/minimistjs/minimist/commit/73923d223553fca08b1ba77e3fbc2a492862ae4c)
+- [actions] add reusable workflows [`d80727d`](https://github.com/minimistjs/minimist/commit/d80727df77bfa9e631044d7f16368d8f09242c91)
+- [eslint] add eslint; rules to enable later are warnings [`48bc06a`](https://github.com/minimistjs/minimist/commit/48bc06a1b41f00e9cdf183db34f7a51ba70e98d4)
+- [eslint] fix indentation [`34b0f1c`](https://github.com/minimistjs/minimist/commit/34b0f1ccaa45183c3c4f06a91f9b405180a6f982)
+- [readme] rename and add badges [`5df0fe4`](https://github.com/minimistjs/minimist/commit/5df0fe49211bd09a3636f8686a7cb3012c3e98f0)
+- [Dev Deps] switch from `covert` to `nyc` [`a48b128`](https://github.com/minimistjs/minimist/commit/a48b128fdb8d427dfb20a15273f83e38d97bef07)
+- [Dev Deps] update `covert`, `tape`; remove unnecessary `tap` [`f0fb958`](https://github.com/minimistjs/minimist/commit/f0fb958e9a1fe980cdffc436a211b0bda58f621b)
+- [meta] create FUNDING.yml; add `funding` in package.json [`3639e0c`](https://github.com/minimistjs/minimist/commit/3639e0c819359a366387e425ab6eabf4c78d3caa)
+- [meta] use `npmignore` to autogenerate an npmignore file [`be2e038`](https://github.com/minimistjs/minimist/commit/be2e038c342d8333b32f0fde67a0026b79c8150e)
+- Only apps should have lockfiles [`282b570`](https://github.com/minimistjs/minimist/commit/282b570e7489d01b03f2d6d3dabf79cd3e5f84cf)
+- isConstructorOrProto adapted from PR [`ef9153f`](https://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud` [`098873c`](https://github.com/minimistjs/minimist/commit/098873c213cdb7c92e55ae1ef5aa1af3a8192a79)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud` [`3124ed3`](https://github.com/minimistjs/minimist/commit/3124ed3e46306301ebb3c834874ce0241555c2c4)
+- [meta] add `safe-publish-latest` [`4b927de`](https://github.com/minimistjs/minimist/commit/4b927de696d561c636b4f43bf49d4597cb36d6d6)
+- [Tests] add `aud` in `posttest` [`b32d9bd`](https://github.com/minimistjs/minimist/commit/b32d9bd0ab340f4e9f8c3a97ff2a4424f25fab8c)
+- [meta] update repo URLs [`f9fdfc0`](https://github.com/minimistjs/minimist/commit/f9fdfc032c54884d9a9996a390c63cd0719bbe1a)
+- [actions] Avoid 0.6 tests due to build failures [`ba92fe6`](https://github.com/minimistjs/minimist/commit/ba92fe6ebbdc0431cca9a2ea8f27beb492f5e4ec)
+- [Dev Deps] update `tape` [`950eaa7`](https://github.com/minimistjs/minimist/commit/950eaa74f112e04d23e9c606c67472c46739b473)
+- [Dev Deps] add missing `npmignore` dev dep [`3226afa`](https://github.com/minimistjs/minimist/commit/3226afaf09e9d127ca369742437fe6e88f752d6b)
+- Merge tag 'v0.2.2' [`980d7ac`](https://github.com/minimistjs/minimist/commit/980d7ac61a0b4bd552711251ac107d506b23e41f)
+
+## [v1.2.7](https://github.com/minimistjs/minimist/compare/v1.2.6...v1.2.7) - 2022-10-10
+
+### Commits
+
+- [meta] add `auto-changelog` [`0ebf4eb`](https://github.com/minimistjs/minimist/commit/0ebf4ebcd5f7787a5524d31a849ef41316b83c3c)
+- [actions] add reusable workflows [`e115b63`](https://github.com/minimistjs/minimist/commit/e115b63fa9d3909f33b00a2db647ff79068388de)
+- [eslint] add eslint; rules to enable later are warnings [`f58745b`](https://github.com/minimistjs/minimist/commit/f58745b9bb84348e1be72af7dbba5840c7c13013)
+- [Dev Deps] switch from `covert` to `nyc` [`ab03356`](https://github.com/minimistjs/minimist/commit/ab033567b9c8b31117cb026dc7f1e592ce455c65)
+- [readme] rename and add badges [`236f4a0`](https://github.com/minimistjs/minimist/commit/236f4a07e4ebe5ee44f1496ec6974991ab293ffd)
+- [meta] create FUNDING.yml; add `funding` in package.json [`783a49b`](https://github.com/minimistjs/minimist/commit/783a49bfd47e8335d3098a8cac75662cf71eb32a)
+- [meta] use `npmignore` to autogenerate an npmignore file [`f81ece6`](https://github.com/minimistjs/minimist/commit/f81ece6aaec2fa14e69ff4f1e0407a8c4e2635a2)
+- Only apps should have lockfiles [`56cad44`](https://github.com/minimistjs/minimist/commit/56cad44c7f879b9bb5ec18fcc349308024a89bfc)
+- [Dev Deps] update `covert`, `tape`; remove unnecessary `tap` [`49c5f9f`](https://github.com/minimistjs/minimist/commit/49c5f9fb7e6a92db9eb340cc679de92fb3aacded)
+- [Tests] add `aud` in `posttest` [`228ae93`](https://github.com/minimistjs/minimist/commit/228ae938f3cd9db9dfd8bd7458b076a7b2aef280)
+- [meta] add `safe-publish-latest` [`01fc23f`](https://github.com/minimistjs/minimist/commit/01fc23f5104f85c75059972e01dd33796ab529ff)
+- [meta] update repo URLs [`6b164c7`](https://github.com/minimistjs/minimist/commit/6b164c7d68e0b6bf32f894699effdfb7c63041dd)
+
+## [v1.2.6](https://github.com/minimistjs/minimist/compare/v1.2.5...v1.2.6) - 2022-03-21
+
+### Commits
+
+- test from prototype pollution PR [`bc8ecee`](https://github.com/minimistjs/minimist/commit/bc8ecee43875261f4f17eb20b1243d3ed15e70eb)
+- isConstructorOrProto adapted from PR [`c2b9819`](https://github.com/minimistjs/minimist/commit/c2b981977fa834b223b408cfb860f933c9811e4d)
+- security notice for additional prototype pollution issue [`ef88b93`](https://github.com/minimistjs/minimist/commit/ef88b9325f77b5ee643ccfc97e2ebda577e4c4e2)
+
+## [v1.2.5](https://github.com/minimistjs/minimist/compare/v1.2.4...v1.2.5) - 2020-03-12
+
+## [v1.2.4](https://github.com/minimistjs/minimist/compare/v1.2.3...v1.2.4) - 2020-03-11
+
+### Commits
+
+- security notice [`4cf1354`](https://github.com/minimistjs/minimist/commit/4cf1354839cb972e38496d35e12f806eea92c11f)
+- additional test for constructor prototype pollution [`1043d21`](https://github.com/minimistjs/minimist/commit/1043d212c3caaf871966e710f52cfdf02f9eea4b)
+
+## [v1.2.3](https://github.com/minimistjs/minimist/compare/v1.2.2...v1.2.3) - 2020-03-10
+
+### Commits
+
+- more failing proto pollution tests [`13c01a5`](https://github.com/minimistjs/minimist/commit/13c01a5327736903704984b7f65616b8476850cc)
+- even more aggressive checks for protocol pollution [`38a4d1c`](https://github.com/minimistjs/minimist/commit/38a4d1caead72ef99e824bb420a2528eec03d9ab)
+
+## [v1.2.2](https://github.com/minimistjs/minimist/compare/v1.2.1...v1.2.2) - 2020-03-10
+
+### Commits
+
+- failing test for protocol pollution [`0efed03`](https://github.com/minimistjs/minimist/commit/0efed0340ec8433638758f7ca0c77cb20a0bfbab)
+- cleanup [`67d3722`](https://github.com/minimistjs/minimist/commit/67d3722413448d00a62963d2d30c34656a92d7e2)
+- console.dir -&gt; console.log [`47acf72`](https://github.com/minimistjs/minimist/commit/47acf72c715a630bf9ea013867f47f1dd69dfc54)
+- don't assign onto __proto__ [`63e7ed0`](https://github.com/minimistjs/minimist/commit/63e7ed05aa4b1889ec2f3b196426db4500cbda94)
+
+## [v1.2.1](https://github.com/minimistjs/minimist/compare/v1.2.0...v1.2.1) - 2020-03-10
+
+### Merged
+
+- move the `opts['--']` example back where it belongs [`#63`](https://github.com/minimistjs/minimist/pull/63)
+
+### Commits
+
+- add test [`6be5dae`](https://github.com/minimistjs/minimist/commit/6be5dae35a32a987bcf4137fcd6c19c5200ee909)
+- fix bad boolean regexp [`ac3fc79`](https://github.com/minimistjs/minimist/commit/ac3fc796e63b95128fdbdf67ea7fad71bd59aa76)
+
+## [v1.2.0](https://github.com/minimistjs/minimist/compare/v1.1.3...v1.2.0) - 2015-08-24
+
+### Commits
+
+- failing -k=v short test [`63416b8`](https://github.com/minimistjs/minimist/commit/63416b8cd1d0d70e4714564cce465a36e4dd26d7)
+- kv short fix [`6bbe145`](https://github.com/minimistjs/minimist/commit/6bbe14529166245e86424f220a2321442fe88dc3)
+- failing kv short test [`f72ab7f`](https://github.com/minimistjs/minimist/commit/f72ab7f4572adc52902c9b6873cc969192f01b10)
+- fixed kv test [`f5a48c3`](https://github.com/minimistjs/minimist/commit/f5a48c3e50e40ca54f00c8e84de4b4d6e9897fa8)
+- enforce space between arg key and value [`86b321a`](https://github.com/minimistjs/minimist/commit/86b321affe648a8e016c095a4f0efa9d9074f502)
+
+## [v1.1.3](https://github.com/minimistjs/minimist/compare/v1.1.2...v1.1.3) - 2015-08-06
+
+### Commits
+
+- add failing test - boolean alias array [`0fa3c5b`](https://github.com/minimistjs/minimist/commit/0fa3c5b3dd98551ddecf5392831b4c21211743fc)
+- fix boolean values with multiple aliases [`9c0a6e7`](https://github.com/minimistjs/minimist/commit/9c0a6e7de25a273b11bbf9a7464f0bd833779795)
+
+## [v1.1.2](https://github.com/minimistjs/minimist/compare/v1.1.1...v1.1.2) - 2015-07-22
+
+### Commits
+
+- Convert boolean arguments to boolean values [`8f3dc27`](https://github.com/minimistjs/minimist/commit/8f3dc27cf833f1d54671b6d0bcb55c2fe19672a9)
+- use non-ancient npm, node 0.12 and iojs [`61ed1d0`](https://github.com/minimistjs/minimist/commit/61ed1d034b9ec7282764ce76f3992b1a0b4906ae)
+- an older npm for 0.8 [`25cf778`](https://github.com/minimistjs/minimist/commit/25cf778b1220e7838a526832ad6972f75244054f)
+
+## [v1.1.1](https://github.com/minimistjs/minimist/compare/v1.1.0...v1.1.1) - 2015-03-10
+
+### Commits
+
+- check that they type of a value is a boolean, not just that it is currently set to a boolean [`6863198`](https://github.com/minimistjs/minimist/commit/6863198e36139830ff1f20ffdceaddd93f2c1db9)
+- upgrade tape, fix type issues from old tape version [`806712d`](https://github.com/minimistjs/minimist/commit/806712df91604ed02b8e39aa372b84aea659ee34)
+- test for setting a boolean to a null default [`8c444fe`](https://github.com/minimistjs/minimist/commit/8c444fe89384ded7d441c120915ea60620b01dd3)
+- if the previous value was a boolean, without an default (or with an alias) don't make an array either [`e5f419a`](https://github.com/minimistjs/minimist/commit/e5f419a3b5b3bc3f9e5ac71b7040621af70ed2dd)
+
+## [v1.1.0](https://github.com/minimistjs/minimist/compare/v1.0.0...v1.1.0) - 2014-08-10
+
+### Commits
+
+- add support for handling "unknown" options not registered with the parser. [`6f3cc5d`](https://github.com/minimistjs/minimist/commit/6f3cc5d4e84524932a6ef2ce3592acc67cdd4383)
+- reformat package.json [`02ed371`](https://github.com/minimistjs/minimist/commit/02ed37115194d3697ff358e8e25e5e66bab1d9f8)
+- coverage script [`e5531ba`](https://github.com/minimistjs/minimist/commit/e5531ba0479da3b8138d3d8cac545d84ccb1c8df)
+- extra fn to get 100% coverage again [`a6972da`](https://github.com/minimistjs/minimist/commit/a6972da89e56bf77642f8ec05a13b6558db93498)
+
+## [v1.0.0](https://github.com/minimistjs/minimist/compare/v0.2.3...v1.0.0) - 2014-08-10
+
+### Commits
+
+- added stopEarly option [`471c7e4`](https://github.com/minimistjs/minimist/commit/471c7e4a7e910fc7ad8f9df850a186daf32c64e9)
+- fix list [`fef6ae7`](https://github.com/minimistjs/minimist/commit/fef6ae79c38b9dc1c49569abb7cd04eb965eac5e)
+
+## [v0.2.3](https://github.com/minimistjs/minimist/compare/v0.2.2...v0.2.3) - 2023-02-09
+
+### Merged
+
+- [Fix] Fix long option followed by single dash [`#17`](https://github.com/minimistjs/minimist/pull/17)
+- [Tests] Remove duplicate test [`#12`](https://github.com/minimistjs/minimist/pull/12)
+- [Fix] opt.string works with multiple aliases [`#10`](https://github.com/minimistjs/minimist/pull/10)
+
+### Fixed
+
+- [Fix] Fix long option followed by single dash (#17) [`#15`](https://github.com/minimistjs/minimist/issues/15)
+- [Tests] Remove duplicate test (#12) [`#8`](https://github.com/minimistjs/minimist/issues/8)
+- [Fix] opt.string works with multiple aliases (#10) [`#9`](https://github.com/minimistjs/minimist/issues/9)
+
+### Commits
+
+- [eslint] fix indentation and whitespace [`e5f5067`](https://github.com/minimistjs/minimist/commit/e5f5067259ceeaf0b098d14bec910f87e58708c7)
+- [eslint] more cleanup [`36ac5d0`](https://github.com/minimistjs/minimist/commit/36ac5d0d95e4947d074e5737d94814034ca335d1)
+- [eslint] fix indentation [`34b0f1c`](https://github.com/minimistjs/minimist/commit/34b0f1ccaa45183c3c4f06a91f9b405180a6f982)
+- isConstructorOrProto adapted from PR [`ef9153f`](https://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud` [`098873c`](https://github.com/minimistjs/minimist/commit/098873c213cdb7c92e55ae1ef5aa1af3a8192a79)
+- [Dev Deps] add missing `npmignore` dev dep [`3226afa`](https://github.com/minimistjs/minimist/commit/3226afaf09e9d127ca369742437fe6e88f752d6b)
+
+## [v0.2.2](https://github.com/minimistjs/minimist/compare/v0.2.1...v0.2.2) - 2022-10-10
+
+### Commits
+
+- [meta] add `auto-changelog` [`73923d2`](https://github.com/minimistjs/minimist/commit/73923d223553fca08b1ba77e3fbc2a492862ae4c)
+- [actions] add reusable workflows [`d80727d`](https://github.com/minimistjs/minimist/commit/d80727df77bfa9e631044d7f16368d8f09242c91)
+- [eslint] add eslint; rules to enable later are warnings [`48bc06a`](https://github.com/minimistjs/minimist/commit/48bc06a1b41f00e9cdf183db34f7a51ba70e98d4)
+- [readme] rename and add badges [`5df0fe4`](https://github.com/minimistjs/minimist/commit/5df0fe49211bd09a3636f8686a7cb3012c3e98f0)
+- [Dev Deps] switch from `covert` to `nyc` [`a48b128`](https://github.com/minimistjs/minimist/commit/a48b128fdb8d427dfb20a15273f83e38d97bef07)
+- [Dev Deps] update `covert`, `tape`; remove unnecessary `tap` [`f0fb958`](https://github.com/minimistjs/minimist/commit/f0fb958e9a1fe980cdffc436a211b0bda58f621b)
+- [meta] create FUNDING.yml; add `funding` in package.json [`3639e0c`](https://github.com/minimistjs/minimist/commit/3639e0c819359a366387e425ab6eabf4c78d3caa)
+- [meta] use `npmignore` to autogenerate an npmignore file [`be2e038`](https://github.com/minimistjs/minimist/commit/be2e038c342d8333b32f0fde67a0026b79c8150e)
+- Only apps should have lockfiles [`282b570`](https://github.com/minimistjs/minimist/commit/282b570e7489d01b03f2d6d3dabf79cd3e5f84cf)
+- [meta] add `safe-publish-latest` [`4b927de`](https://github.com/minimistjs/minimist/commit/4b927de696d561c636b4f43bf49d4597cb36d6d6)
+- [Tests] add `aud` in `posttest` [`b32d9bd`](https://github.com/minimistjs/minimist/commit/b32d9bd0ab340f4e9f8c3a97ff2a4424f25fab8c)
+- [meta] update repo URLs [`f9fdfc0`](https://github.com/minimistjs/minimist/commit/f9fdfc032c54884d9a9996a390c63cd0719bbe1a)
+
+## [v0.2.1](https://github.com/minimistjs/minimist/compare/v0.2.0...v0.2.1) - 2020-03-12
+
+## [v0.2.0](https://github.com/minimistjs/minimist/compare/v0.1.0...v0.2.0) - 2014-06-19
+
+### Commits
+
+- support all-boolean mode [`450a97f`](https://github.com/minimistjs/minimist/commit/450a97f6e2bc85c7a4a13185c19a818d9a5ebe69)
+
+## [v0.1.0](https://github.com/minimistjs/minimist/compare/v0.0.10...v0.1.0) - 2014-05-12
+
+### Commits
+
+- Provide a mechanism to segregate -- arguments [`ce4a1e6`](https://github.com/minimistjs/minimist/commit/ce4a1e63a7e8d5ab88d2a3768adefa6af98a445a)
+- documented argv['--'] [`14db0e6`](https://github.com/minimistjs/minimist/commit/14db0e6dbc6d2b9e472adaa54dad7004b364634f)
+- Adding a test-case for notFlags segregation [`715c1e3`](https://github.com/minimistjs/minimist/commit/715c1e3714be223f998f6c537af6b505f0236c16)
+
+## [v0.0.10](https://github.com/minimistjs/minimist/compare/v0.0.9...v0.0.10) - 2014-05-11
+
+### Commits
+
+- dedicated boolean test [`46e448f`](https://github.com/minimistjs/minimist/commit/46e448f9f513cfeb2bcc8b688b9b47ba1e515c2b)
+- dedicated num test [`9bf2d36`](https://github.com/minimistjs/minimist/commit/9bf2d36f1d3b8795be90b8f7de0a937f098aa394)
+- aliased values treated as strings [`1ab743b`](https://github.com/minimistjs/minimist/commit/1ab743bad4484d69f1259bed42f9531de01119de)
+- cover the case of already numbers, at 100% coverage [`b2bb044`](https://github.com/minimistjs/minimist/commit/b2bb04436599d77a2ce029e8e555e25b3aa55d13)
+- another test for higher coverage [`3662624`](https://github.com/minimistjs/minimist/commit/3662624be976d5489d486a856849c048d13be903)
+
+## [v0.0.9](https://github.com/minimistjs/minimist/compare/v0.0.8...v0.0.9) - 2014-05-08
+
+### Commits
+
+- Eliminate `longest` fn. [`824f642`](https://github.com/minimistjs/minimist/commit/824f642038d1b02ede68b6261d1d65163390929a)
+
+## [v0.0.8](https://github.com/minimistjs/minimist/compare/v0.0.7...v0.0.8) - 2014-02-20
+
+### Commits
+
+- return '' if flag is string and empty [`fa63ed4`](https://github.com/minimistjs/minimist/commit/fa63ed4651a4ef4eefddce34188e0d98d745a263)
+- handle joined single letters [`66c248f`](https://github.com/minimistjs/minimist/commit/66c248f0241d4d421d193b022e9e365f11178534)
+
+## [v0.0.7](https://github.com/minimistjs/minimist/compare/v0.0.6...v0.0.7) - 2014-02-08
+
+### Commits
+
+- another swap of .test for .match [`d1da408`](https://github.com/minimistjs/minimist/commit/d1da40819acbe846d89a5c02721211e3c1260dde)
+
+## [v0.0.6](https://github.com/minimistjs/minimist/compare/v0.0.5...v0.0.6) - 2014-02-08
+
+### Commits
+
+- use .test() instead of .match() to not crash on non-string values in the arguments array [`7e0d1ad`](https://github.com/minimistjs/minimist/commit/7e0d1add8c9e5b9b20a4d3d0f9a94d824c578da1)
+
+## [v0.0.5](https://github.com/minimistjs/minimist/compare/v0.0.4...v0.0.5) - 2013-09-18
+
+### Commits
+
+- Improve '--' handling. [`b11822c`](https://github.com/minimistjs/minimist/commit/b11822c09cc9d2460f30384d12afc0b953c037a4)
+
+## [v0.0.4](https://github.com/minimistjs/minimist/compare/v0.0.3...v0.0.4) - 2013-09-17
+
+## [v0.0.3](https://github.com/minimistjs/minimist/compare/v0.0.2...v0.0.3) - 2013-09-12
+
+### Commits
+
+- failing test for single dash preceeding a double dash [`b465514`](https://github.com/minimistjs/minimist/commit/b465514b82c9ae28972d714facd951deb2ad762b)
+- fix for the dot test [`6a095f1`](https://github.com/minimistjs/minimist/commit/6a095f1d364c8fab2d6753d2291a0649315d297a)
+
+## [v0.0.2](https://github.com/minimistjs/minimist/compare/v0.0.1...v0.0.2) - 2013-08-28
+
+### Commits
+
+- allow dotted aliases & defaults [`321c33e`](https://github.com/minimistjs/minimist/commit/321c33e755485faaeb44eeb1c05d33b2e0a5a7c4)
+- use a better version of ff [`e40f611`](https://github.com/minimistjs/minimist/commit/e40f61114cf7be6f7947f7b3eed345853a67dbbb)
+
+## [v0.0.1](https://github.com/minimistjs/minimist/compare/v0.0.0...v0.0.1) - 2013-06-25
+
+### Commits
+
+- remove trailing commas [`6ff0fa0`](https://github.com/minimistjs/minimist/commit/6ff0fa055064f15dbe06d50b89d5173a6796e1db)
+
+## v0.0.0 - 2013-06-25
+
+### Commits
+
+- half of the parse test ported [`3079326`](https://github.com/minimistjs/minimist/commit/307932601325087de6cf94188eb798ffc4f3088a)
+- stripped down code and a passing test from optimist [`7cced88`](https://github.com/minimistjs/minimist/commit/7cced88d82e399d1a03ed23eb667f04d3f320d10)
+- ported parse tests completely over [`9448754`](https://github.com/minimistjs/minimist/commit/944875452e0820df6830b1408c26a0f7d3e1db04)
+- docs, package.json [`a5bf46a`](https://github.com/minimistjs/minimist/commit/a5bf46ac9bb3bd114a9c340276c62c1091e538d5)
+- move more short tests into short.js [`503edb5`](https://github.com/minimistjs/minimist/commit/503edb5c41d89c0d40831ee517154fc13b0f18b9)
+- default bool test was wrong, not the code [`1b9f5db`](https://github.com/minimistjs/minimist/commit/1b9f5db4741b49962846081b68518de824992097)
+- passing long tests ripped out of parse.js [`7972c4a`](https://github.com/minimistjs/minimist/commit/7972c4aff1f4803079e1668006658e2a761a0428)
+- badges [`84c0370`](https://github.com/minimistjs/minimist/commit/84c037063664d42878aace715fe6572ce01b6f3b)
+- all the tests now ported, some failures [`64239ed`](https://github.com/minimistjs/minimist/commit/64239edfe92c711c4eb0da254fcdfad2a5fdb605)
+- failing short test [`f8a5341`](https://github.com/minimistjs/minimist/commit/f8a534112dd1138d2fad722def56a848480c446f)
+- fixed the numeric test [`6b034f3`](https://github.com/minimistjs/minimist/commit/6b034f37c79342c60083ed97fd222e16928aac51)
diff --git a/web/public/node_modules/minimist/LICENSE b/web/public/node_modules/minimist/LICENSE
new file mode 100644
index 000000000..ee27ba4b4
--- /dev/null
+++ b/web/public/node_modules/minimist/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/minimist/README.md b/web/public/node_modules/minimist/README.md
new file mode 100644
index 000000000..74da3234b
--- /dev/null
+++ b/web/public/node_modules/minimist/README.md
@@ -0,0 +1,121 @@
+# minimist <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+parse argument options
+
+This module is the guts of optimist's argument parser without all the
+fanciful decoration.
+
+# example
+
+``` js
+var argv = require('minimist')(process.argv.slice(2));
+console.log(argv);
+```
+
+```
+$ node example/parse.js -a beep -b boop
+{ _: [], a: 'beep', b: 'boop' }
+```
+
+```
+$ node example/parse.js -x 3 -y 4 -n5 -abc --beep=boop foo bar baz
+{
+	_: ['foo', 'bar', 'baz'],
+	x: 3,
+	y: 4,
+	n: 5,
+	a: true,
+	b: true,
+	c: true,
+	beep: 'boop'
+}
+```
+
+# security
+
+Previous versions had a prototype pollution bug that could cause privilege
+escalation in some circumstances when handling untrusted user input.
+
+Please use version 1.2.6 or later:
+
+* https://security.snyk.io/vuln/SNYK-JS-MINIMIST-2429795 (version <=1.2.5)
+* https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 (version <=1.2.3)
+
+# methods
+
+``` js
+var parseArgs = require('minimist')
+```
+
+## var argv = parseArgs(args, opts={})
+
+Return an argument object `argv` populated with the array arguments from `args`.
+
+`argv._` contains all the arguments that didn't have an option associated with
+them.
+
+Numeric-looking arguments will be returned as numbers unless `opts.string` or
+`opts.boolean` is set for that argument name.
+
+Any arguments after `'--'` will not be parsed and will end up in `argv._`.
+
+options can be:
+
+* `opts.string` - a string or array of strings argument names to always treat as
+strings
+* `opts.boolean` - a boolean, string or array of strings to always treat as
+booleans. if `true` will treat all double hyphenated arguments without equal signs
+as boolean (e.g. affects `--foo`, not `-f` or `--foo=bar`)
+* `opts.alias` - an object mapping string names to strings or arrays of string
+argument names to use as aliases
+* `opts.default` - an object mapping string argument names to default values
+* `opts.stopEarly` - when true, populate `argv._` with everything after the
+first non-option
+* `opts['--']` - when true, populate `argv._` with everything before the `--`
+and `argv['--']` with everything after the `--`. Here's an example:
+
+  ```
+  > require('./')('one two three -- four five --six'.split(' '), { '--': true })
+  {
+    _: ['one', 'two', 'three'],
+    '--': ['four', 'five', '--six']
+  }
+  ```
+
+  Note that with `opts['--']` set, parsing for arguments still stops after the
+  `--`.
+
+* `opts.unknown` - a function which is invoked with a command line parameter not
+defined in the `opts` configuration object. If the function returns `false`, the
+unknown option is not added to `argv`.
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install minimist
+```
+
+# license
+
+MIT
+
+[package-url]: https://npmjs.org/package/minimist
+[npm-version-svg]: https://versionbadg.es/minimistjs/minimist.svg
+[npm-badge-png]: https://nodei.co/npm/minimist.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/minimist.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/minimist.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=minimist
+[codecov-image]: https://codecov.io/gh/minimistjs/minimist/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/minimistjs/minimist/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/minimistjs/minimist
+[actions-url]: https://github.com/minimistjs/minimist/actions
diff --git a/web/public/node_modules/minimist/example/parse.js b/web/public/node_modules/minimist/example/parse.js
new file mode 100644
index 000000000..9d90ffb26
--- /dev/null
+++ b/web/public/node_modules/minimist/example/parse.js
@@ -0,0 +1,4 @@
+'use strict';
+
+var argv = require('../')(process.argv.slice(2));
+console.log(argv);
diff --git a/web/public/node_modules/minimist/index.js b/web/public/node_modules/minimist/index.js
new file mode 100644
index 000000000..f020f3940
--- /dev/null
+++ b/web/public/node_modules/minimist/index.js
@@ -0,0 +1,263 @@
+'use strict';
+
+function hasKey(obj, keys) {
+	var o = obj;
+	keys.slice(0, -1).forEach(function (key) {
+		o = o[key] || {};
+	});
+
+	var key = keys[keys.length - 1];
+	return key in o;
+}
+
+function isNumber(x) {
+	if (typeof x === 'number') { return true; }
+	if ((/^0x[0-9a-f]+$/i).test(x)) { return true; }
+	return (/^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/).test(x);
+}
+
+function isConstructorOrProto(obj, key) {
+	return (key === 'constructor' && typeof obj[key] === 'function') || key === '__proto__';
+}
+
+module.exports = function (args, opts) {
+	if (!opts) { opts = {}; }
+
+	var flags = {
+		bools: {},
+		strings: {},
+		unknownFn: null,
+	};
+
+	if (typeof opts.unknown === 'function') {
+		flags.unknownFn = opts.unknown;
+	}
+
+	if (typeof opts.boolean === 'boolean' && opts.boolean) {
+		flags.allBools = true;
+	} else {
+		[].concat(opts.boolean).filter(Boolean).forEach(function (key) {
+			flags.bools[key] = true;
+		});
+	}
+
+	var aliases = {};
+
+	function aliasIsBoolean(key) {
+		return aliases[key].some(function (x) {
+			return flags.bools[x];
+		});
+	}
+
+	Object.keys(opts.alias || {}).forEach(function (key) {
+		aliases[key] = [].concat(opts.alias[key]);
+		aliases[key].forEach(function (x) {
+			aliases[x] = [key].concat(aliases[key].filter(function (y) {
+				return x !== y;
+			}));
+		});
+	});
+
+	[].concat(opts.string).filter(Boolean).forEach(function (key) {
+		flags.strings[key] = true;
+		if (aliases[key]) {
+			[].concat(aliases[key]).forEach(function (k) {
+				flags.strings[k] = true;
+			});
+		}
+	});
+
+	var defaults = opts.default || {};
+
+	var argv = { _: [] };
+
+	function argDefined(key, arg) {
+		return (flags.allBools && (/^--[^=]+$/).test(arg))
+			|| flags.strings[key]
+			|| flags.bools[key]
+			|| aliases[key];
+	}
+
+	function setKey(obj, keys, value) {
+		var o = obj;
+		for (var i = 0; i < keys.length - 1; i++) {
+			var key = keys[i];
+			if (isConstructorOrProto(o, key)) { return; }
+			if (o[key] === undefined) { o[key] = {}; }
+			if (
+				o[key] === Object.prototype
+				|| o[key] === Number.prototype
+				|| o[key] === String.prototype
+			) {
+				o[key] = {};
+			}
+			if (o[key] === Array.prototype) { o[key] = []; }
+			o = o[key];
+		}
+
+		var lastKey = keys[keys.length - 1];
+		if (isConstructorOrProto(o, lastKey)) { return; }
+		if (
+			o === Object.prototype
+			|| o === Number.prototype
+			|| o === String.prototype
+		) {
+			o = {};
+		}
+		if (o === Array.prototype) { o = []; }
+		if (o[lastKey] === undefined || flags.bools[lastKey] || typeof o[lastKey] === 'boolean') {
+			o[lastKey] = value;
+		} else if (Array.isArray(o[lastKey])) {
+			o[lastKey].push(value);
+		} else {
+			o[lastKey] = [o[lastKey], value];
+		}
+	}
+
+	function setArg(key, val, arg) {
+		if (arg && flags.unknownFn && !argDefined(key, arg)) {
+			if (flags.unknownFn(arg) === false) { return; }
+		}
+
+		var value = !flags.strings[key] && isNumber(val)
+			? Number(val)
+			: val;
+		setKey(argv, key.split('.'), value);
+
+		(aliases[key] || []).forEach(function (x) {
+			setKey(argv, x.split('.'), value);
+		});
+	}
+
+	Object.keys(flags.bools).forEach(function (key) {
+		setArg(key, defaults[key] === undefined ? false : defaults[key]);
+	});
+
+	var notFlags = [];
+
+	if (args.indexOf('--') !== -1) {
+		notFlags = args.slice(args.indexOf('--') + 1);
+		args = args.slice(0, args.indexOf('--'));
+	}
+
+	for (var i = 0; i < args.length; i++) {
+		var arg = args[i];
+		var key;
+		var next;
+
+		if ((/^--.+=/).test(arg)) {
+			// Using [\s\S] instead of . because js doesn't support the
+			// 'dotall' regex modifier. See:
+			// http://stackoverflow.com/a/1068308/13216
+			var m = arg.match(/^--([^=]+)=([\s\S]*)$/);
+			key = m[1];
+			var value = m[2];
+			if (flags.bools[key]) {
+				value = value !== 'false';
+			}
+			setArg(key, value, arg);
+		} else if ((/^--no-.+/).test(arg)) {
+			key = arg.match(/^--no-(.+)/)[1];
+			setArg(key, false, arg);
+		} else if ((/^--.+/).test(arg)) {
+			key = arg.match(/^--(.+)/)[1];
+			next = args[i + 1];
+			if (
+				next !== undefined
+				&& !(/^(-|--)[^-]/).test(next)
+				&& !flags.bools[key]
+				&& !flags.allBools
+				&& (aliases[key] ? !aliasIsBoolean(key) : true)
+			) {
+				setArg(key, next, arg);
+				i += 1;
+			} else if ((/^(true|false)$/).test(next)) {
+				setArg(key, next === 'true', arg);
+				i += 1;
+			} else {
+				setArg(key, flags.strings[key] ? '' : true, arg);
+			}
+		} else if ((/^-[^-]+/).test(arg)) {
+			var letters = arg.slice(1, -1).split('');
+
+			var broken = false;
+			for (var j = 0; j < letters.length; j++) {
+				next = arg.slice(j + 2);
+
+				if (next === '-') {
+					setArg(letters[j], next, arg);
+					continue;
+				}
+
+				if ((/[A-Za-z]/).test(letters[j]) && next[0] === '=') {
+					setArg(letters[j], next.slice(1), arg);
+					broken = true;
+					break;
+				}
+
+				if (
+					(/[A-Za-z]/).test(letters[j])
+					&& (/-?\d+(\.\d*)?(e-?\d+)?$/).test(next)
+				) {
+					setArg(letters[j], next, arg);
+					broken = true;
+					break;
+				}
+
+				if (letters[j + 1] && letters[j + 1].match(/\W/)) {
+					setArg(letters[j], arg.slice(j + 2), arg);
+					broken = true;
+					break;
+				} else {
+					setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg);
+				}
+			}
+
+			key = arg.slice(-1)[0];
+			if (!broken && key !== '-') {
+				if (
+					args[i + 1]
+					&& !(/^(-|--)[^-]/).test(args[i + 1])
+					&& !flags.bools[key]
+					&& (aliases[key] ? !aliasIsBoolean(key) : true)
+				) {
+					setArg(key, args[i + 1], arg);
+					i += 1;
+				} else if (args[i + 1] && (/^(true|false)$/).test(args[i + 1])) {
+					setArg(key, args[i + 1] === 'true', arg);
+					i += 1;
+				} else {
+					setArg(key, flags.strings[key] ? '' : true, arg);
+				}
+			}
+		} else {
+			if (!flags.unknownFn || flags.unknownFn(arg) !== false) {
+				argv._.push(flags.strings._ || !isNumber(arg) ? arg : Number(arg));
+			}
+			if (opts.stopEarly) {
+				argv._.push.apply(argv._, args.slice(i + 1));
+				break;
+			}
+		}
+	}
+
+	Object.keys(defaults).forEach(function (k) {
+		if (!hasKey(argv, k.split('.'))) {
+			setKey(argv, k.split('.'), defaults[k]);
+
+			(aliases[k] || []).forEach(function (x) {
+				setKey(argv, x.split('.'), defaults[k]);
+			});
+		}
+	});
+
+	if (opts['--']) {
+		argv['--'] = notFlags.slice();
+	} else {
+		notFlags.forEach(function (k) {
+			argv._.push(k);
+		});
+	}
+
+	return argv;
+};
diff --git a/web/public/node_modules/minimist/package.json b/web/public/node_modules/minimist/package.json
new file mode 100644
index 000000000..c10a33444
--- /dev/null
+++ b/web/public/node_modules/minimist/package.json
@@ -0,0 +1,75 @@
+{
+	"name": "minimist",
+	"version": "1.2.8",
+	"description": "parse argument options",
+	"main": "index.js",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.0.1",
+		"aud": "^2.0.2",
+		"auto-changelog": "^2.4.0",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.6.3"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=auto",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"lint": "eslint --ext=js,mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"testling": {
+		"files": "test/*.js",
+		"browsers": [
+			"ie/6..latest",
+			"ff/5",
+			"firefox/latest",
+			"chrome/10",
+			"chrome/latest",
+			"safari/5.1",
+			"safari/latest",
+			"opera/12"
+		]
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/minimistjs/minimist.git"
+	},
+	"homepage": "https://github.com/minimistjs/minimist",
+	"keywords": [
+		"argv",
+		"getopt",
+		"parser",
+		"optimist"
+	],
+	"author": {
+		"name": "James Halliday",
+		"email": "mail@substack.net",
+		"url": "http://substack.net"
+	},
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/web/public/node_modules/minimist/test/all_bool.js b/web/public/node_modules/minimist/test/all_bool.js
new file mode 100644
index 000000000..befa0c997
--- /dev/null
+++ b/web/public/node_modules/minimist/test/all_bool.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('flag boolean true (default all --args to boolean)', function (t) {
+	var argv = parse(['moo', '--honk', 'cow'], {
+		boolean: true,
+	});
+
+	t.deepEqual(argv, {
+		honk: true,
+		_: ['moo', 'cow'],
+	});
+
+	t.deepEqual(typeof argv.honk, 'boolean');
+	t.end();
+});
+
+test('flag boolean true only affects double hyphen arguments without equals signs', function (t) {
+	var argv = parse(['moo', '--honk', 'cow', '-p', '55', '--tacos=good'], {
+		boolean: true,
+	});
+
+	t.deepEqual(argv, {
+		honk: true,
+		tacos: 'good',
+		p: 55,
+		_: ['moo', 'cow'],
+	});
+
+	t.deepEqual(typeof argv.honk, 'boolean');
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/bool.js b/web/public/node_modules/minimist/test/bool.js
new file mode 100644
index 000000000..e58d47e44
--- /dev/null
+++ b/web/public/node_modules/minimist/test/bool.js
@@ -0,0 +1,177 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('flag boolean default false', function (t) {
+	var argv = parse(['moo'], {
+		boolean: ['t', 'verbose'],
+		default: { verbose: false, t: false },
+	});
+
+	t.deepEqual(argv, {
+		verbose: false,
+		t: false,
+		_: ['moo'],
+	});
+
+	t.deepEqual(typeof argv.verbose, 'boolean');
+	t.deepEqual(typeof argv.t, 'boolean');
+	t.end();
+
+});
+
+test('boolean groups', function (t) {
+	var argv = parse(['-x', '-z', 'one', 'two', 'three'], {
+		boolean: ['x', 'y', 'z'],
+	});
+
+	t.deepEqual(argv, {
+		x: true,
+		y: false,
+		z: true,
+		_: ['one', 'two', 'three'],
+	});
+
+	t.deepEqual(typeof argv.x, 'boolean');
+	t.deepEqual(typeof argv.y, 'boolean');
+	t.deepEqual(typeof argv.z, 'boolean');
+	t.end();
+});
+test('boolean and alias with chainable api', function (t) {
+	var aliased = ['-h', 'derp'];
+	var regular = ['--herp', 'derp'];
+	var aliasedArgv = parse(aliased, {
+		boolean: 'herp',
+		alias: { h: 'herp' },
+	});
+	var propertyArgv = parse(regular, {
+		boolean: 'herp',
+		alias: { h: 'herp' },
+	});
+	var expected = {
+		herp: true,
+		h: true,
+		_: ['derp'],
+	};
+
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.end();
+});
+
+test('boolean and alias with options hash', function (t) {
+	var aliased = ['-h', 'derp'];
+	var regular = ['--herp', 'derp'];
+	var opts = {
+		alias: { h: 'herp' },
+		boolean: 'herp',
+	};
+	var aliasedArgv = parse(aliased, opts);
+	var propertyArgv = parse(regular, opts);
+	var expected = {
+		herp: true,
+		h: true,
+		_: ['derp'],
+	};
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.end();
+});
+
+test('boolean and alias array with options hash', function (t) {
+	var aliased = ['-h', 'derp'];
+	var regular = ['--herp', 'derp'];
+	var alt = ['--harp', 'derp'];
+	var opts = {
+		alias: { h: ['herp', 'harp'] },
+		boolean: 'h',
+	};
+	var aliasedArgv = parse(aliased, opts);
+	var propertyArgv = parse(regular, opts);
+	var altPropertyArgv = parse(alt, opts);
+	var expected = {
+		harp: true,
+		herp: true,
+		h: true,
+		_: ['derp'],
+	};
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.same(altPropertyArgv, expected);
+	t.end();
+});
+
+test('boolean and alias using explicit true', function (t) {
+	var aliased = ['-h', 'true'];
+	var regular = ['--herp', 'true'];
+	var opts = {
+		alias: { h: 'herp' },
+		boolean: 'h',
+	};
+	var aliasedArgv = parse(aliased, opts);
+	var propertyArgv = parse(regular, opts);
+	var expected = {
+		herp: true,
+		h: true,
+		_: [],
+	};
+
+	t.same(aliasedArgv, expected);
+	t.same(propertyArgv, expected);
+	t.end();
+});
+
+// regression, see https://github.com/substack/node-optimist/issues/71
+test('boolean and --x=true', function (t) {
+	var parsed = parse(['--boool', '--other=true'], {
+		boolean: 'boool',
+	});
+
+	t.same(parsed.boool, true);
+	t.same(parsed.other, 'true');
+
+	parsed = parse(['--boool', '--other=false'], {
+		boolean: 'boool',
+	});
+
+	t.same(parsed.boool, true);
+	t.same(parsed.other, 'false');
+	t.end();
+});
+
+test('boolean --boool=true', function (t) {
+	var parsed = parse(['--boool=true'], {
+		default: {
+			boool: false,
+		},
+		boolean: ['boool'],
+	});
+
+	t.same(parsed.boool, true);
+	t.end();
+});
+
+test('boolean --boool=false', function (t) {
+	var parsed = parse(['--boool=false'], {
+		default: {
+			boool: true,
+		},
+		boolean: ['boool'],
+	});
+
+	t.same(parsed.boool, false);
+	t.end();
+});
+
+test('boolean using something similar to true', function (t) {
+	var opts = { boolean: 'h' };
+	var result = parse(['-h', 'true.txt'], opts);
+	var expected = {
+		h: true,
+		_: ['true.txt'],
+	};
+
+	t.same(result, expected);
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/dash.js b/web/public/node_modules/minimist/test/dash.js
new file mode 100644
index 000000000..707881771
--- /dev/null
+++ b/web/public/node_modules/minimist/test/dash.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('-', function (t) {
+	t.plan(6);
+	t.deepEqual(parse(['-n', '-']), { n: '-', _: [] });
+	t.deepEqual(parse(['--nnn', '-']), { nnn: '-', _: [] });
+	t.deepEqual(parse(['-']), { _: ['-'] });
+	t.deepEqual(parse(['-f-']), { f: '-', _: [] });
+	t.deepEqual(
+		parse(['-b', '-'], { boolean: 'b' }),
+		{ b: true, _: ['-'] }
+	);
+	t.deepEqual(
+		parse(['-s', '-'], { string: 's' }),
+		{ s: '-', _: [] }
+	);
+});
+
+test('-a -- b', function (t) {
+	t.plan(2);
+	t.deepEqual(parse(['-a', '--', 'b']), { a: true, _: ['b'] });
+	t.deepEqual(parse(['--a', '--', 'b']), { a: true, _: ['b'] });
+});
+
+test('move arguments after the -- into their own `--` array', function (t) {
+	t.plan(1);
+	t.deepEqual(
+		parse(['--name', 'John', 'before', '--', 'after'], { '--': true }),
+		{ name: 'John', _: ['before'], '--': ['after'] }
+	);
+});
+
+test('--- option value', function (t) {
+	// A multi-dash value is largely an edge case, but check the behaviour is as expected,
+	// and in particular the same for short option and long option (as made consistent in Jan 2023).
+	t.plan(2);
+	t.deepEqual(parse(['-n', '---']), { n: '---', _: [] });
+	t.deepEqual(parse(['--nnn', '---']), { nnn: '---', _: [] });
+});
+
diff --git a/web/public/node_modules/minimist/test/default_bool.js b/web/public/node_modules/minimist/test/default_bool.js
new file mode 100644
index 000000000..4e9f6250f
--- /dev/null
+++ b/web/public/node_modules/minimist/test/default_bool.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../');
+
+test('boolean default true', function (t) {
+	var argv = parse([], {
+		boolean: 'sometrue',
+		default: { sometrue: true },
+	});
+	t.equal(argv.sometrue, true);
+	t.end();
+});
+
+test('boolean default false', function (t) {
+	var argv = parse([], {
+		boolean: 'somefalse',
+		default: { somefalse: false },
+	});
+	t.equal(argv.somefalse, false);
+	t.end();
+});
+
+test('boolean default to null', function (t) {
+	var argv = parse([], {
+		boolean: 'maybe',
+		default: { maybe: null },
+	});
+	t.equal(argv.maybe, null);
+
+	var argvLong = parse(['--maybe'], {
+		boolean: 'maybe',
+		default: { maybe: null },
+	});
+	t.equal(argvLong.maybe, true);
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/dotted.js b/web/public/node_modules/minimist/test/dotted.js
new file mode 100644
index 000000000..126ff033b
--- /dev/null
+++ b/web/public/node_modules/minimist/test/dotted.js
@@ -0,0 +1,24 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('dotted alias', function (t) {
+	var argv = parse(['--a.b', '22'], { default: { 'a.b': 11 }, alias: { 'a.b': 'aa.bb' } });
+	t.equal(argv.a.b, 22);
+	t.equal(argv.aa.bb, 22);
+	t.end();
+});
+
+test('dotted default', function (t) {
+	var argv = parse('', { default: { 'a.b': 11 }, alias: { 'a.b': 'aa.bb' } });
+	t.equal(argv.a.b, 11);
+	t.equal(argv.aa.bb, 11);
+	t.end();
+});
+
+test('dotted default with no alias', function (t) {
+	var argv = parse('', { default: { 'a.b': 11 } });
+	t.equal(argv.a.b, 11);
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/kv_short.js b/web/public/node_modules/minimist/test/kv_short.js
new file mode 100644
index 000000000..6d1b53a7a
--- /dev/null
+++ b/web/public/node_modules/minimist/test/kv_short.js
@@ -0,0 +1,32 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('short -k=v', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-b=123']);
+	t.deepEqual(argv, { b: 123, _: [] });
+});
+
+test('multi short -k=v', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-a=whatever', '-b=robots']);
+	t.deepEqual(argv, { a: 'whatever', b: 'robots', _: [] });
+});
+
+test('short with embedded equals -k=a=b', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-k=a=b']);
+	t.deepEqual(argv, { k: 'a=b', _: [] });
+});
+
+test('short with later equals like -ab=c', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-ab=c']);
+	t.deepEqual(argv, { a: true, b: 'c', _: [] });
+});
diff --git a/web/public/node_modules/minimist/test/long.js b/web/public/node_modules/minimist/test/long.js
new file mode 100644
index 000000000..9fef51f1f
--- /dev/null
+++ b/web/public/node_modules/minimist/test/long.js
@@ -0,0 +1,33 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../');
+
+test('long opts', function (t) {
+	t.deepEqual(
+		parse(['--bool']),
+		{ bool: true, _: [] },
+		'long boolean'
+	);
+	t.deepEqual(
+		parse(['--pow', 'xixxle']),
+		{ pow: 'xixxle', _: [] },
+		'long capture sp'
+	);
+	t.deepEqual(
+		parse(['--pow=xixxle']),
+		{ pow: 'xixxle', _: [] },
+		'long capture eq'
+	);
+	t.deepEqual(
+		parse(['--host', 'localhost', '--port', '555']),
+		{ host: 'localhost', port: 555, _: [] },
+		'long captures sp'
+	);
+	t.deepEqual(
+		parse(['--host=localhost', '--port=555']),
+		{ host: 'localhost', port: 555, _: [] },
+		'long captures eq'
+	);
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/num.js b/web/public/node_modules/minimist/test/num.js
new file mode 100644
index 000000000..074393eca
--- /dev/null
+++ b/web/public/node_modules/minimist/test/num.js
@@ -0,0 +1,38 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('nums', function (t) {
+	var argv = parse([
+		'-x', '1234',
+		'-y', '5.67',
+		'-z', '1e7',
+		'-w', '10f',
+		'--hex', '0xdeadbeef',
+		'789',
+	]);
+	t.deepEqual(argv, {
+		x: 1234,
+		y: 5.67,
+		z: 1e7,
+		w: '10f',
+		hex: 0xdeadbeef,
+		_: [789],
+	});
+	t.deepEqual(typeof argv.x, 'number');
+	t.deepEqual(typeof argv.y, 'number');
+	t.deepEqual(typeof argv.z, 'number');
+	t.deepEqual(typeof argv.w, 'string');
+	t.deepEqual(typeof argv.hex, 'number');
+	t.deepEqual(typeof argv._[0], 'number');
+	t.end();
+});
+
+test('already a number', function (t) {
+	var argv = parse(['-x', 1234, 789]);
+	t.deepEqual(argv, { x: 1234, _: [789] });
+	t.deepEqual(typeof argv.x, 'number');
+	t.deepEqual(typeof argv._[0], 'number');
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/parse.js b/web/public/node_modules/minimist/test/parse.js
new file mode 100644
index 000000000..65d9d9092
--- /dev/null
+++ b/web/public/node_modules/minimist/test/parse.js
@@ -0,0 +1,209 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('parse args', function (t) {
+	t.deepEqual(
+		parse(['--no-moo']),
+		{ moo: false, _: [] },
+		'no'
+	);
+	t.deepEqual(
+		parse(['-v', 'a', '-v', 'b', '-v', 'c']),
+		{ v: ['a', 'b', 'c'], _: [] },
+		'multi'
+	);
+	t.end();
+});
+
+test('comprehensive', function (t) {
+	t.deepEqual(
+		parse([
+			'--name=meowmers', 'bare', '-cats', 'woo',
+			'-h', 'awesome', '--multi=quux',
+			'--key', 'value',
+			'-b', '--bool', '--no-meep', '--multi=baz',
+			'--', '--not-a-flag', 'eek',
+		]),
+		{
+			c: true,
+			a: true,
+			t: true,
+			s: 'woo',
+			h: 'awesome',
+			b: true,
+			bool: true,
+			key: 'value',
+			multi: ['quux', 'baz'],
+			meep: false,
+			name: 'meowmers',
+			_: ['bare', '--not-a-flag', 'eek'],
+		}
+	);
+	t.end();
+});
+
+test('flag boolean', function (t) {
+	var argv = parse(['-t', 'moo'], { boolean: 't' });
+	t.deepEqual(argv, { t: true, _: ['moo'] });
+	t.deepEqual(typeof argv.t, 'boolean');
+	t.end();
+});
+
+test('flag boolean value', function (t) {
+	var argv = parse(['--verbose', 'false', 'moo', '-t', 'true'], {
+		boolean: ['t', 'verbose'],
+		default: { verbose: true },
+	});
+
+	t.deepEqual(argv, {
+		verbose: false,
+		t: true,
+		_: ['moo'],
+	});
+
+	t.deepEqual(typeof argv.verbose, 'boolean');
+	t.deepEqual(typeof argv.t, 'boolean');
+	t.end();
+});
+
+test('newlines in params', function (t) {
+	var args = parse(['-s', 'X\nX']);
+	t.deepEqual(args, { _: [], s: 'X\nX' });
+
+	// reproduce in bash:
+	// VALUE="new
+	// line"
+	// node program.js --s="$VALUE"
+	args = parse(['--s=X\nX']);
+	t.deepEqual(args, { _: [], s: 'X\nX' });
+	t.end();
+});
+
+test('strings', function (t) {
+	var s = parse(['-s', '0001234'], { string: 's' }).s;
+	t.equal(s, '0001234');
+	t.equal(typeof s, 'string');
+
+	var x = parse(['-x', '56'], { string: 'x' }).x;
+	t.equal(x, '56');
+	t.equal(typeof x, 'string');
+	t.end();
+});
+
+test('stringArgs', function (t) {
+	var s = parse(['  ', '  '], { string: '_' })._;
+	t.same(s.length, 2);
+	t.same(typeof s[0], 'string');
+	t.same(s[0], '  ');
+	t.same(typeof s[1], 'string');
+	t.same(s[1], '  ');
+	t.end();
+});
+
+test('empty strings', function (t) {
+	var s = parse(['-s'], { string: 's' }).s;
+	t.equal(s, '');
+	t.equal(typeof s, 'string');
+
+	var str = parse(['--str'], { string: 'str' }).str;
+	t.equal(str, '');
+	t.equal(typeof str, 'string');
+
+	var letters = parse(['-art'], {
+		string: ['a', 't'],
+	});
+
+	t.equal(letters.a, '');
+	t.equal(letters.r, true);
+	t.equal(letters.t, '');
+
+	t.end();
+});
+
+test('string and alias', function (t) {
+	var x = parse(['--str', '000123'], {
+		string: 's',
+		alias: { s: 'str' },
+	});
+
+	t.equal(x.str, '000123');
+	t.equal(typeof x.str, 'string');
+	t.equal(x.s, '000123');
+	t.equal(typeof x.s, 'string');
+
+	var y = parse(['-s', '000123'], {
+		string: 'str',
+		alias: { str: 's' },
+	});
+
+	t.equal(y.str, '000123');
+	t.equal(typeof y.str, 'string');
+	t.equal(y.s, '000123');
+	t.equal(typeof y.s, 'string');
+
+	var z = parse(['-s123'], {
+		alias: { str: ['s', 'S'] },
+		string: ['str'],
+	});
+
+	t.deepEqual(
+		z,
+		{ _: [], s: '123', S: '123', str: '123' },
+		'opt.string works with multiple aliases'
+	);
+	t.end();
+});
+
+test('slashBreak', function (t) {
+	t.same(
+		parse(['-I/foo/bar/baz']),
+		{ I: '/foo/bar/baz', _: [] }
+	);
+	t.same(
+		parse(['-xyz/foo/bar/baz']),
+		{ x: true, y: true, z: '/foo/bar/baz', _: [] }
+	);
+	t.end();
+});
+
+test('alias', function (t) {
+	var argv = parse(['-f', '11', '--zoom', '55'], {
+		alias: { z: 'zoom' },
+	});
+	t.equal(argv.zoom, 55);
+	t.equal(argv.z, argv.zoom);
+	t.equal(argv.f, 11);
+	t.end();
+});
+
+test('multiAlias', function (t) {
+	var argv = parse(['-f', '11', '--zoom', '55'], {
+		alias: { z: ['zm', 'zoom'] },
+	});
+	t.equal(argv.zoom, 55);
+	t.equal(argv.z, argv.zoom);
+	t.equal(argv.z, argv.zm);
+	t.equal(argv.f, 11);
+	t.end();
+});
+
+test('nested dotted objects', function (t) {
+	var argv = parse([
+		'--foo.bar', '3', '--foo.baz', '4',
+		'--foo.quux.quibble', '5', '--foo.quux.o_O',
+		'--beep.boop',
+	]);
+
+	t.same(argv.foo, {
+		bar: 3,
+		baz: 4,
+		quux: {
+			quibble: 5,
+			o_O: true,
+		},
+	});
+	t.same(argv.beep, { boop: true });
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/parse_modified.js b/web/public/node_modules/minimist/test/parse_modified.js
new file mode 100644
index 000000000..32965d130
--- /dev/null
+++ b/web/public/node_modules/minimist/test/parse_modified.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('parse with modifier functions', function (t) {
+	t.plan(1);
+
+	var argv = parse(['-b', '123'], { boolean: 'b' });
+	t.deepEqual(argv, { b: true, _: [123] });
+});
diff --git a/web/public/node_modules/minimist/test/proto.js b/web/public/node_modules/minimist/test/proto.js
new file mode 100644
index 000000000..6e629dd34
--- /dev/null
+++ b/web/public/node_modules/minimist/test/proto.js
@@ -0,0 +1,64 @@
+'use strict';
+
+/* eslint no-proto: 0 */
+
+var parse = require('../');
+var test = require('tape');
+
+test('proto pollution', function (t) {
+	var argv = parse(['--__proto__.x', '123']);
+	t.equal({}.x, undefined);
+	t.equal(argv.__proto__.x, undefined);
+	t.equal(argv.x, undefined);
+	t.end();
+});
+
+test('proto pollution (array)', function (t) {
+	var argv = parse(['--x', '4', '--x', '5', '--x.__proto__.z', '789']);
+	t.equal({}.z, undefined);
+	t.deepEqual(argv.x, [4, 5]);
+	t.equal(argv.x.z, undefined);
+	t.equal(argv.x.__proto__.z, undefined);
+	t.end();
+});
+
+test('proto pollution (number)', function (t) {
+	var argv = parse(['--x', '5', '--x.__proto__.z', '100']);
+	t.equal({}.z, undefined);
+	t.equal((4).z, undefined);
+	t.equal(argv.x, 5);
+	t.equal(argv.x.z, undefined);
+	t.end();
+});
+
+test('proto pollution (string)', function (t) {
+	var argv = parse(['--x', 'abc', '--x.__proto__.z', 'def']);
+	t.equal({}.z, undefined);
+	t.equal('...'.z, undefined);
+	t.equal(argv.x, 'abc');
+	t.equal(argv.x.z, undefined);
+	t.end();
+});
+
+test('proto pollution (constructor)', function (t) {
+	var argv = parse(['--constructor.prototype.y', '123']);
+	t.equal({}.y, undefined);
+	t.equal(argv.y, undefined);
+	t.end();
+});
+
+test('proto pollution (constructor function)', function (t) {
+	var argv = parse(['--_.concat.constructor.prototype.y', '123']);
+	function fnToBeTested() {}
+	t.equal(fnToBeTested.y, undefined);
+	t.equal(argv.y, undefined);
+	t.end();
+});
+
+// powered by snyk - https://github.com/backstage/backstage/issues/10343
+test('proto pollution (constructor function) snyk', function (t) {
+	var argv = parse('--_.constructor.constructor.prototype.foo bar'.split(' '));
+	t.equal(function () {}.foo, undefined);
+	t.equal(argv.y, undefined);
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/short.js b/web/public/node_modules/minimist/test/short.js
new file mode 100644
index 000000000..4a7b84385
--- /dev/null
+++ b/web/public/node_modules/minimist/test/short.js
@@ -0,0 +1,69 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('numeric short args', function (t) {
+	t.plan(2);
+	t.deepEqual(parse(['-n123']), { n: 123, _: [] });
+	t.deepEqual(
+		parse(['-123', '456']),
+		{ 1: true, 2: true, 3: 456, _: [] }
+	);
+});
+
+test('short', function (t) {
+	t.deepEqual(
+		parse(['-b']),
+		{ b: true, _: [] },
+		'short boolean'
+	);
+	t.deepEqual(
+		parse(['foo', 'bar', 'baz']),
+		{ _: ['foo', 'bar', 'baz'] },
+		'bare'
+	);
+	t.deepEqual(
+		parse(['-cats']),
+		{ c: true, a: true, t: true, s: true, _: [] },
+		'group'
+	);
+	t.deepEqual(
+		parse(['-cats', 'meow']),
+		{ c: true, a: true, t: true, s: 'meow', _: [] },
+		'short group next'
+	);
+	t.deepEqual(
+		parse(['-h', 'localhost']),
+		{ h: 'localhost', _: [] },
+		'short capture'
+	);
+	t.deepEqual(
+		parse(['-h', 'localhost', '-p', '555']),
+		{ h: 'localhost', p: 555, _: [] },
+		'short captures'
+	);
+	t.end();
+});
+
+test('mixed short bool and capture', function (t) {
+	t.same(
+		parse(['-h', 'localhost', '-fp', '555', 'script.js']),
+		{
+			f: true, p: 555, h: 'localhost',
+			_: ['script.js'],
+		}
+	);
+	t.end();
+});
+
+test('short and long', function (t) {
+	t.deepEqual(
+		parse(['-h', 'localhost', '-fp', '555', 'script.js']),
+		{
+			f: true, p: 555, h: 'localhost',
+			_: ['script.js'],
+		}
+	);
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/stop_early.js b/web/public/node_modules/minimist/test/stop_early.js
new file mode 100644
index 000000000..52a6a9190
--- /dev/null
+++ b/web/public/node_modules/minimist/test/stop_early.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('stops parsing on the first non-option when stopEarly is set', function (t) {
+	var argv = parse(['--aaa', 'bbb', 'ccc', '--ddd'], {
+		stopEarly: true,
+	});
+
+	t.deepEqual(argv, {
+		aaa: 'bbb',
+		_: ['ccc', '--ddd'],
+	});
+
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/unknown.js b/web/public/node_modules/minimist/test/unknown.js
new file mode 100644
index 000000000..4f2e0ca44
--- /dev/null
+++ b/web/public/node_modules/minimist/test/unknown.js
@@ -0,0 +1,104 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('boolean and alias is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['-h', 'true', '--derp', 'true'];
+	var regular = ['--herp', 'true', '-d', 'true'];
+	var opts = {
+		alias: { h: 'herp' },
+		boolean: 'h',
+		unknown: unknownFn,
+	};
+	parse(aliased, opts);
+	parse(regular, opts);
+
+	t.same(unknown, ['--derp', '-d']);
+	t.end();
+});
+
+test('flag boolean true any double hyphen argument is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var argv = parse(['--honk', '--tacos=good', 'cow', '-p', '55'], {
+		boolean: true,
+		unknown: unknownFn,
+	});
+	t.same(unknown, ['--tacos=good', 'cow', '-p']);
+	t.same(argv, {
+		honk: true,
+		_: [],
+	});
+	t.end();
+});
+
+test('string and alias is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['-h', 'hello', '--derp', 'goodbye'];
+	var regular = ['--herp', 'hello', '-d', 'moon'];
+	var opts = {
+		alias: { h: 'herp' },
+		string: 'h',
+		unknown: unknownFn,
+	};
+	parse(aliased, opts);
+	parse(regular, opts);
+
+	t.same(unknown, ['--derp', '-d']);
+	t.end();
+});
+
+test('default and alias is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['-h', 'hello'];
+	var regular = ['--herp', 'hello'];
+	var opts = {
+		default: { h: 'bar' },
+		alias: { h: 'herp' },
+		unknown: unknownFn,
+	};
+	parse(aliased, opts);
+	parse(regular, opts);
+
+	t.same(unknown, []);
+	t.end();
+	unknownFn(); // exercise fn for 100% coverage
+});
+
+test('value following -- is not unknown', function (t) {
+	var unknown = [];
+	function unknownFn(arg) {
+		unknown.push(arg);
+		return false;
+	}
+	var aliased = ['--bad', '--', 'good', 'arg'];
+	var opts = {
+		'--': true,
+		unknown: unknownFn,
+	};
+	var argv = parse(aliased, opts);
+
+	t.same(unknown, ['--bad']);
+	t.same(argv, {
+		'--': ['good', 'arg'],
+		_: [],
+	});
+	t.end();
+});
diff --git a/web/public/node_modules/minimist/test/whitespace.js b/web/public/node_modules/minimist/test/whitespace.js
new file mode 100644
index 000000000..4fdaf1d39
--- /dev/null
+++ b/web/public/node_modules/minimist/test/whitespace.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var parse = require('../');
+var test = require('tape');
+
+test('whitespace should be whitespace', function (t) {
+	t.plan(1);
+	var x = parse(['-x', '\t']).x;
+	t.equal(x, '\t');
+});
diff --git a/web/public/node_modules/mkdirp/LICENSE b/web/public/node_modules/mkdirp/LICENSE
new file mode 100644
index 000000000..432d1aeb0
--- /dev/null
+++ b/web/public/node_modules/mkdirp/LICENSE
@@ -0,0 +1,21 @@
+Copyright 2010 James Halliday (mail@substack.net)
+
+This project is free software released under the MIT/X11 license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/mkdirp/bin/cmd.js b/web/public/node_modules/mkdirp/bin/cmd.js
new file mode 100644
index 000000000..d95de15ae
--- /dev/null
+++ b/web/public/node_modules/mkdirp/bin/cmd.js
@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+var mkdirp = require('../');
+var minimist = require('minimist');
+var fs = require('fs');
+
+var argv = minimist(process.argv.slice(2), {
+    alias: { m: 'mode', h: 'help' },
+    string: [ 'mode' ]
+});
+if (argv.help) {
+    fs.createReadStream(__dirname + '/usage.txt').pipe(process.stdout);
+    return;
+}
+
+var paths = argv._.slice();
+var mode = argv.mode ? parseInt(argv.mode, 8) : undefined;
+
+(function next () {
+    if (paths.length === 0) return;
+    var p = paths.shift();
+    
+    if (mode === undefined) mkdirp(p, cb)
+    else mkdirp(p, mode, cb)
+    
+    function cb (err) {
+        if (err) {
+            console.error(err.message);
+            process.exit(1);
+        }
+        else next();
+    }
+})();
diff --git a/web/public/node_modules/mkdirp/bin/usage.txt b/web/public/node_modules/mkdirp/bin/usage.txt
new file mode 100644
index 000000000..f952aa2c7
--- /dev/null
+++ b/web/public/node_modules/mkdirp/bin/usage.txt
@@ -0,0 +1,12 @@
+usage: mkdirp [DIR1,DIR2..] {OPTIONS}
+
+  Create each supplied directory including any necessary parent directories that
+  don't yet exist.
+  
+  If the directory already exists, do nothing.
+
+OPTIONS are:
+
+  -m, --mode   If a directory needs to be created, set the mode as an octal
+               permission string.
+
diff --git a/web/public/node_modules/mkdirp/index.js b/web/public/node_modules/mkdirp/index.js
new file mode 100644
index 000000000..0890ac3bd
--- /dev/null
+++ b/web/public/node_modules/mkdirp/index.js
@@ -0,0 +1,102 @@
+var path = require('path');
+var fs = require('fs');
+var _0777 = parseInt('0777', 8);
+
+module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP;
+
+function mkdirP (p, opts, f, made) {
+    if (typeof opts === 'function') {
+        f = opts;
+        opts = {};
+    }
+    else if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777
+    }
+    if (!made) made = null;
+    
+    var cb = f || /* istanbul ignore next */ function () {};
+    p = path.resolve(p);
+    
+    xfs.mkdir(p, mode, function (er) {
+        if (!er) {
+            made = made || p;
+            return cb(null, made);
+        }
+        switch (er.code) {
+            case 'ENOENT':
+                /* istanbul ignore if */
+                if (path.dirname(p) === p) return cb(er);
+                mkdirP(path.dirname(p), opts, function (er, made) {
+                    /* istanbul ignore if */
+                    if (er) cb(er, made);
+                    else mkdirP(p, opts, cb, made);
+                });
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                xfs.stat(p, function (er2, stat) {
+                    // if the stat fails, then that's super weird.
+                    // let the original error be the failure reason.
+                    if (er2 || !stat.isDirectory()) cb(er, made)
+                    else cb(null, made);
+                });
+                break;
+        }
+    });
+}
+
+mkdirP.sync = function sync (p, opts, made) {
+    if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777
+    }
+    if (!made) made = null;
+
+    p = path.resolve(p);
+
+    try {
+        xfs.mkdirSync(p, mode);
+        made = made || p;
+    }
+    catch (err0) {
+        switch (err0.code) {
+            case 'ENOENT' :
+                made = sync(path.dirname(p), opts, made);
+                sync(p, opts, made);
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                var stat;
+                try {
+                    stat = xfs.statSync(p);
+                }
+                catch (err1) /* istanbul ignore next */ {
+                    throw err0;
+                }
+                /* istanbul ignore if */
+                if (!stat.isDirectory()) throw err0;
+                break;
+        }
+    }
+
+    return made;
+};
diff --git a/web/public/node_modules/mkdirp/package.json b/web/public/node_modules/mkdirp/package.json
new file mode 100644
index 000000000..951e58da9
--- /dev/null
+++ b/web/public/node_modules/mkdirp/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "mkdirp",
+  "description": "Recursively mkdir, like `mkdir -p`",
+  "version": "0.5.6",
+  "publishConfig": {
+    "tag": "legacy"
+  },
+  "author": "James Halliday <mail@substack.net> (http://substack.net)",
+  "main": "index.js",
+  "keywords": [
+    "mkdir",
+    "directory"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/substack/node-mkdirp.git"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "dependencies": {
+    "minimist": "^1.2.6"
+  },
+  "devDependencies": {
+    "tap": "^16.0.1"
+  },
+  "bin": "bin/cmd.js",
+  "license": "MIT",
+  "files": [
+    "bin",
+    "index.js"
+  ]
+}
diff --git a/web/public/node_modules/mkdirp/readme.markdown b/web/public/node_modules/mkdirp/readme.markdown
new file mode 100644
index 000000000..fc314bfbd
--- /dev/null
+++ b/web/public/node_modules/mkdirp/readme.markdown
@@ -0,0 +1,100 @@
+# mkdirp
+
+Like `mkdir -p`, but in node.js!
+
+[![build status](https://secure.travis-ci.org/substack/node-mkdirp.png)](http://travis-ci.org/substack/node-mkdirp)
+
+# example
+
+## pow.js
+
+```js
+var mkdirp = require('mkdirp');
+    
+mkdirp('/tmp/foo/bar/baz', function (err) {
+    if (err) console.error(err)
+    else console.log('pow!')
+});
+```
+
+Output
+
+```
+pow!
+```
+
+And now /tmp/foo/bar/baz exists, huzzah!
+
+# methods
+
+```js
+var mkdirp = require('mkdirp');
+```
+
+## mkdirp(dir, opts, cb)
+
+Create a new directory and any necessary subdirectories at `dir` with octal
+permission string `opts.mode`. If `opts` is a non-object, it will be treated as
+the `opts.mode`.
+
+If `opts.mode` isn't specified, it defaults to `0777`.
+
+`cb(err, made)` fires with the error or the first directory `made`
+that had to be created, if any.
+
+You can optionally pass in an alternate `fs` implementation by passing in
+`opts.fs`. Your implementation should have `opts.fs.mkdir(path, mode, cb)` and
+`opts.fs.stat(path, cb)`.
+
+## mkdirp.sync(dir, opts)
+
+Synchronously create a new directory and any necessary subdirectories at `dir`
+with octal permission string `opts.mode`. If `opts` is a non-object, it will be
+treated as the `opts.mode`.
+
+If `opts.mode` isn't specified, it defaults to `0777`.
+
+Returns the first directory that had to be created, if any.
+
+You can optionally pass in an alternate `fs` implementation by passing in
+`opts.fs`. Your implementation should have `opts.fs.mkdirSync(path, mode)` and
+`opts.fs.statSync(path)`.
+
+# usage
+
+This package also ships with a `mkdirp` command.
+
+```
+usage: mkdirp [DIR1,DIR2..] {OPTIONS}
+
+  Create each supplied directory including any necessary parent directories that
+  don't yet exist.
+  
+  If the directory already exists, do nothing.
+
+OPTIONS are:
+
+  -m, --mode   If a directory needs to be created, set the mode as an octal
+               permission string.
+
+```
+
+# install
+
+With [npm](http://npmjs.org) do:
+
+```
+npm install mkdirp
+```
+
+to get the library, or
+
+```
+npm install -g mkdirp
+```
+
+to get the command.
+
+# license
+
+MIT
diff --git a/web/public/node_modules/ms/index.js b/web/public/node_modules/ms/index.js
new file mode 100644
index 000000000..ea734fb73
--- /dev/null
+++ b/web/public/node_modules/ms/index.js
@@ -0,0 +1,162 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function (val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+  return ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
diff --git a/web/public/node_modules/ms/license.md b/web/public/node_modules/ms/license.md
new file mode 100644
index 000000000..fa5d39b62
--- /dev/null
+++ b/web/public/node_modules/ms/license.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2020 Vercel, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/ms/package.json b/web/public/node_modules/ms/package.json
new file mode 100644
index 000000000..49971890d
--- /dev/null
+++ b/web/public/node_modules/ms/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "ms",
+  "version": "2.1.3",
+  "description": "Tiny millisecond conversion utility",
+  "repository": "vercel/ms",
+  "main": "./index",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "precommit": "lint-staged",
+    "lint": "eslint lib/* bin/*",
+    "test": "mocha tests.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "env": {
+      "node": true,
+      "es6": true
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "npm run lint",
+      "prettier --single-quote --write",
+      "git add"
+    ]
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "4.18.2",
+    "expect.js": "0.3.1",
+    "husky": "0.14.3",
+    "lint-staged": "5.0.0",
+    "mocha": "4.0.1",
+    "prettier": "2.0.5"
+  }
+}
diff --git a/web/public/node_modules/ms/readme.md b/web/public/node_modules/ms/readme.md
new file mode 100644
index 000000000..0fc1abb3b
--- /dev/null
+++ b/web/public/node_modules/ms/readme.md
@@ -0,0 +1,59 @@
+# ms
+
+![CI](https://github.com/vercel/ms/workflows/CI/badge.svg)
+
+Use this package to easily convert various time formats to milliseconds.
+
+## Examples
+
+```js
+ms('2 days')  // 172800000
+ms('1d')      // 86400000
+ms('10h')     // 36000000
+ms('2.5 hrs') // 9000000
+ms('2h')      // 7200000
+ms('1m')      // 60000
+ms('5s')      // 5000
+ms('1y')      // 31557600000
+ms('100')     // 100
+ms('-3 days') // -259200000
+ms('-1h')     // -3600000
+ms('-200')    // -200
+```
+
+### Convert from Milliseconds
+
+```js
+ms(60000)             // "1m"
+ms(2 * 60000)         // "2m"
+ms(-3 * 60000)        // "-3m"
+ms(ms('10 hours'))    // "10h"
+```
+
+### Time Format Written-Out
+
+```js
+ms(60000, { long: true })             // "1 minute"
+ms(2 * 60000, { long: true })         // "2 minutes"
+ms(-3 * 60000, { long: true })        // "-3 minutes"
+ms(ms('10 hours'), { long: true })    // "10 hours"
+```
+
+## Features
+
+- Works both in [Node.js](https://nodejs.org) and in the browser
+- If a number is supplied to `ms`, a string with a unit is returned
+- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`)
+- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned
+
+## Related Packages
+
+- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time.
+
+## Caught a Bug?
+
+1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
+2. Link the package to the global module directory: `npm link`
+3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms!
+
+As always, you can run the tests using: `npm test`
diff --git a/web/public/node_modules/object-inspect/.eslintrc b/web/public/node_modules/object-inspect/.eslintrc
new file mode 100644
index 000000000..21f903923
--- /dev/null
+++ b/web/public/node_modules/object-inspect/.eslintrc
@@ -0,0 +1,53 @@
+{
+    "root": true,
+    "extends": "@ljharb",
+    "rules": {
+        "complexity": 0,
+        "func-style": [2, "declaration"],
+        "indent": [2, 4],
+        "max-lines": 1,
+        "max-lines-per-function": 1,
+        "max-params": [2, 4],
+        "max-statements": 0,
+        "max-statements-per-line": [2, { "max": 2 }],
+        "no-magic-numbers": 0,
+        "no-param-reassign": 1,
+        "strict": 0, // TODO
+    },
+    "overrides": [
+        {
+            "files": ["test/**", "test-*", "example/**"],
+            "extends": "@ljharb/eslint-config/tests",
+            "rules": {
+              "id-length": 0,
+            },
+        },
+        {
+            "files": ["example/**"],
+            "rules": {
+                "no-console": 0,
+            },
+        },
+        {
+            "files": ["test/browser/**"],
+            "env": {
+                "browser": true,
+            },
+        },
+        {
+            "files": ["test/bigint*"],
+            "rules": {
+                "new-cap": [2, { "capIsNewExceptions": ["BigInt"] }],
+            },
+        },
+        {
+            "files": "index.js",
+            "globals": {
+                "HTMLElement": false,
+            },
+            "rules": {
+                "no-use-before-define": 1,
+            },
+        },
+    ],
+}
diff --git a/web/public/node_modules/object-inspect/.github/FUNDING.yml b/web/public/node_modules/object-inspect/.github/FUNDING.yml
new file mode 100644
index 000000000..730276bd1
--- /dev/null
+++ b/web/public/node_modules/object-inspect/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/object-inspect
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/object-inspect/.nycrc b/web/public/node_modules/object-inspect/.nycrc
new file mode 100644
index 000000000..58a5db783
--- /dev/null
+++ b/web/public/node_modules/object-inspect/.nycrc
@@ -0,0 +1,13 @@
+{
+  "all": true,
+  "check-coverage": false,
+  "instrumentation": false,
+  "sourceMap": false,
+  "reporter": ["text-summary", "text", "html", "json"],
+  "exclude": [
+    "coverage",
+    "example",
+    "test",
+    "test-core-js.js"
+  ]
+}
diff --git a/web/public/node_modules/object-inspect/CHANGELOG.md b/web/public/node_modules/object-inspect/CHANGELOG.md
new file mode 100644
index 000000000..056fbcc5e
--- /dev/null
+++ b/web/public/node_modules/object-inspect/CHANGELOG.md
@@ -0,0 +1,404 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.13.2](https://github.com/inspect-js/object-inspect/compare/v1.13.1...v1.13.2) - 2024-06-21
+
+### Commits
+
+- [readme] update badges [`8a51e6b`](https://github.com/inspect-js/object-inspect/commit/8a51e6bedaf389ec40cc4659e9df53e8543d176e)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`ef05f58`](https://github.com/inspect-js/object-inspect/commit/ef05f58c9761a41416ab907299bf0fa79517014b)
+- [Dev Deps] update `error-cause`, `has-tostringtag`, `tape` [`c0c6c26`](https://github.com/inspect-js/object-inspect/commit/c0c6c26c44cee6671f7c5d43d2b91d27c5c00d90)
+- [Fix] Don't throw when `global` is not defined [`d4d0965`](https://github.com/inspect-js/object-inspect/commit/d4d096570f7dbd0e03266a96de11d05eb7b63e0f)
+- [meta] add missing `engines.node` [`17a352a`](https://github.com/inspect-js/object-inspect/commit/17a352af6fe1ba6b70a19081674231eb1a50c940)
+- [Dev Deps] update `globalthis` [`9c08884`](https://github.com/inspect-js/object-inspect/commit/9c08884aa662a149e2f11403f413927736b97da7)
+- [Dev Deps] update `error-cause` [`6af352d`](https://github.com/inspect-js/object-inspect/commit/6af352d7c3929a4cc4c55768c27bf547a5e900f4)
+- [Dev Deps] update `npmignore` [`94e617d`](https://github.com/inspect-js/object-inspect/commit/94e617d38831722562fa73dff4c895746861d267)
+- [Dev Deps] update `mock-property` [`2ac24d7`](https://github.com/inspect-js/object-inspect/commit/2ac24d7e58cd388ad093c33249e413e05bbfd6c3)
+- [Dev Deps] update `tape` [`46125e5`](https://github.com/inspect-js/object-inspect/commit/46125e58f1d1dcfb170ed3d1ea69da550ea8d77b)
+
+## [v1.13.1](https://github.com/inspect-js/object-inspect/compare/v1.13.0...v1.13.1) - 2023-10-19
+
+### Commits
+
+- [Fix] in IE 8, global can !== window despite them being prototypes of each other [`30d0859`](https://github.com/inspect-js/object-inspect/commit/30d0859dc4606cf75c2410edcd5d5c6355f8d372)
+
+## [v1.13.0](https://github.com/inspect-js/object-inspect/compare/v1.12.3...v1.13.0) - 2023-10-14
+
+### Commits
+
+- [New] add special handling for the global object [`431bab2`](https://github.com/inspect-js/object-inspect/commit/431bab21a490ee51d35395966a504501e8c685da)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`fd4f619`](https://github.com/inspect-js/object-inspect/commit/fd4f6193562b4b0e95dcf5c0201b4e8cbbc4f58d)
+- [Dev Deps] update `mock-property`, `tape` [`b453f6c`](https://github.com/inspect-js/object-inspect/commit/b453f6ceeebf8a1b738a1029754092e0367a4134)
+- [Dev Deps] update `error-cause` [`e8ffc57`](https://github.com/inspect-js/object-inspect/commit/e8ffc577d73b92bb6a4b00c44f14e3319e374888)
+- [Dev Deps] update `tape` [`054b8b9`](https://github.com/inspect-js/object-inspect/commit/054b8b9b98633284cf989e582450ebfbbe53503c)
+- [Dev Deps] temporarily remove `aud` due to breaking change in transitive deps [`2476845`](https://github.com/inspect-js/object-inspect/commit/2476845e0678dd290c541c81cd3dec8420782c52)
+- [Dev Deps] pin `glob`, since v10.3.8+ requires a broken `jackspeak` [`383fa5e`](https://github.com/inspect-js/object-inspect/commit/383fa5eebc0afd705cc778a4b49d8e26452e49a8)
+- [Dev Deps] pin `jackspeak` since 2.1.2+ depends on npm aliases, which kill the install process in npm &lt; 6 [`68c244c`](https://github.com/inspect-js/object-inspect/commit/68c244c5174cdd877e5dcb8ee90aa3f44b2f25be)
+
+## [v1.12.3](https://github.com/inspect-js/object-inspect/compare/v1.12.2...v1.12.3) - 2023-01-12
+
+### Commits
+
+- [Fix] in eg FF 24, collections lack forEach [`75fc226`](https://github.com/inspect-js/object-inspect/commit/75fc22673c82d45f28322b1946bb0eb41b672b7f)
+- [actions] update rebase action to use reusable workflow [`250a277`](https://github.com/inspect-js/object-inspect/commit/250a277a095e9dacc029ab8454dcfc15de549dcd)
+- [Dev Deps] update `aud`, `es-value-fixtures`, `tape` [`66a19b3`](https://github.com/inspect-js/object-inspect/commit/66a19b3209ccc3c5ef4b34c3cb0160e65d1ce9d5)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `error-cause` [`c43d332`](https://github.com/inspect-js/object-inspect/commit/c43d3324b48384a16fd3dc444e5fc589d785bef3)
+- [Tests] add `@pkgjs/support` to `postlint` [`e2618d2`](https://github.com/inspect-js/object-inspect/commit/e2618d22a7a3fa361b6629b53c1752fddc9c4d80)
+
+## [v1.12.2](https://github.com/inspect-js/object-inspect/compare/v1.12.1...v1.12.2) - 2022-05-26
+
+### Commits
+
+- [Fix] use `util.inspect` for a custom inspection symbol method [`e243bf2`](https://github.com/inspect-js/object-inspect/commit/e243bf2eda6c4403ac6f1146fddb14d12e9646c1)
+- [meta] add support info [`ca20ba3`](https://github.com/inspect-js/object-inspect/commit/ca20ba35713c17068ca912a86c542f5e8acb656c)
+- [Fix] ignore `cause` in node v16.9 and v16.10 where it has a bug [`86aa553`](https://github.com/inspect-js/object-inspect/commit/86aa553a4a455562c2c56f1540f0bf857b9d314b)
+
+## [v1.12.1](https://github.com/inspect-js/object-inspect/compare/v1.12.0...v1.12.1) - 2022-05-21
+
+### Commits
+
+- [Tests] use `mock-property` [`4ec8893`](https://github.com/inspect-js/object-inspect/commit/4ec8893ea9bfd28065ca3638cf6762424bf44352)
+- [meta] use `npmignore` to autogenerate an npmignore file [`07f868c`](https://github.com/inspect-js/object-inspect/commit/07f868c10bd25a9d18686528339bb749c211fc9a)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`b05244b`](https://github.com/inspect-js/object-inspect/commit/b05244b4f331e00c43b3151bc498041be77ccc91)
+- [Dev Deps] update `@ljharb/eslint-config`, `error-cause`, `es-value-fixtures`, `functions-have-names`, `tape` [`d037398`](https://github.com/inspect-js/object-inspect/commit/d037398dcc5d531532e4c19c4a711ed677f579c1)
+- [Fix] properly handle callable regexes in older engines [`848fe48`](https://github.com/inspect-js/object-inspect/commit/848fe48bd6dd0064ba781ee6f3c5e54a94144c37)
+
+## [v1.12.0](https://github.com/inspect-js/object-inspect/compare/v1.11.1...v1.12.0) - 2021-12-18
+
+### Commits
+
+- [New] add `numericSeparator` boolean option [`2d2d537`](https://github.com/inspect-js/object-inspect/commit/2d2d537f5359a4300ce1c10241369f8024f89e11)
+- [Robustness] cache more prototype methods [`191533d`](https://github.com/inspect-js/object-inspect/commit/191533da8aec98a05eadd73a5a6e979c9c8653e8)
+- [New] ensure an Error’s `cause` is displayed [`53bc2ce`](https://github.com/inspect-js/object-inspect/commit/53bc2cee4e5a9cc4986f3cafa22c0685f340715e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config` [`bc164b6`](https://github.com/inspect-js/object-inspect/commit/bc164b6e2e7d36b263970f16f54de63048b84a36)
+- [Robustness] cache `RegExp.prototype.test` [`a314ab8`](https://github.com/inspect-js/object-inspect/commit/a314ab8271b905cbabc594c82914d2485a8daf12)
+- [meta] fix auto-changelog settings [`5ed0983`](https://github.com/inspect-js/object-inspect/commit/5ed0983be72f73e32e2559997517a95525c7e20d)
+
+## [v1.11.1](https://github.com/inspect-js/object-inspect/compare/v1.11.0...v1.11.1) - 2021-12-05
+
+### Commits
+
+- [meta] add `auto-changelog` [`7dbdd22`](https://github.com/inspect-js/object-inspect/commit/7dbdd228401d6025d8b7391476d88aee9ea9bbdf)
+- [actions] reuse common workflows [`c8823bc`](https://github.com/inspect-js/object-inspect/commit/c8823bc0a8790729680709d45fb6e652432e91aa)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`7532b12`](https://github.com/inspect-js/object-inspect/commit/7532b120598307497b712890f75af8056f6d37a6)
+- [Refactor] use `has-tostringtag` to behave correctly in the presence of symbol shams [`94abb5d`](https://github.com/inspect-js/object-inspect/commit/94abb5d4e745bf33253942dea86b3e538d2ff6c6)
+- [actions] update codecov uploader [`5ed5102`](https://github.com/inspect-js/object-inspect/commit/5ed51025267a00e53b1341357315490ac4eb0874)
+- [Dev Deps] update `eslint`, `tape` [`37b2ad2`](https://github.com/inspect-js/object-inspect/commit/37b2ad26c08d94bfd01d5d07069a0b28ef4e2ad7)
+- [meta] add `sideEffects` flag [`d341f90`](https://github.com/inspect-js/object-inspect/commit/d341f905ef8bffa6a694cda6ddc5ba343532cd4f)
+
+## [v1.11.0](https://github.com/inspect-js/object-inspect/compare/v1.10.3...v1.11.0) - 2021-07-12
+
+### Commits
+
+- [New] `customInspect`: add `symbol` option, to mimic modern util.inspect behavior [`e973a6e`](https://github.com/inspect-js/object-inspect/commit/e973a6e21f8140c5837cf25e9d89bdde88dc3120)
+- [Dev Deps] update `eslint` [`05f1cb3`](https://github.com/inspect-js/object-inspect/commit/05f1cb3cbcfe1f238e8b51cf9bc294305b7ed793)
+
+## [v1.10.3](https://github.com/inspect-js/object-inspect/compare/v1.10.2...v1.10.3) - 2021-05-07
+
+### Commits
+
+- [Fix] handle core-js Symbol shams [`4acfc2c`](https://github.com/inspect-js/object-inspect/commit/4acfc2c4b503498759120eb517abad6d51c9c5d6)
+- [readme] update badges [`95c323a`](https://github.com/inspect-js/object-inspect/commit/95c323ad909d6cbabb95dd6015c190ba6db9c1f2)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud` [`cb38f48`](https://github.com/inspect-js/object-inspect/commit/cb38f485de6ec7a95109b5a9bbd0a1deba2f6611)
+
+## [v1.10.2](https://github.com/inspect-js/object-inspect/compare/v1.10.1...v1.10.2) - 2021-04-17
+
+### Commits
+
+- [Fix] use a robust check for a boxed Symbol [`87f12d6`](https://github.com/inspect-js/object-inspect/commit/87f12d6e69ce530be04659c81a4cd502943acac5)
+
+## [v1.10.1](https://github.com/inspect-js/object-inspect/compare/v1.10.0...v1.10.1) - 2021-04-17
+
+### Commits
+
+- [Fix] use a robust check for a boxed bigint [`d5ca829`](https://github.com/inspect-js/object-inspect/commit/d5ca8298b6d2e5c7b9334a5b21b96ed95d225c91)
+
+## [v1.10.0](https://github.com/inspect-js/object-inspect/compare/v1.9.0...v1.10.0) - 2021-04-17
+
+### Commits
+
+- [Tests] increase coverage [`d8abb8a`](https://github.com/inspect-js/object-inspect/commit/d8abb8a62c2f084919df994a433b346e0d87a227)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`4bfec2e`](https://github.com/inspect-js/object-inspect/commit/4bfec2e30aaef6ddef6cbb1448306f9f8b9520b7)
+- [New] respect `Symbol.toStringTag` on objects [`799b58f`](https://github.com/inspect-js/object-inspect/commit/799b58f536a45e4484633a8e9daeb0330835f175)
+- [Fix] do not allow Symbol.toStringTag to masquerade as builtins [`d6c5b37`](https://github.com/inspect-js/object-inspect/commit/d6c5b37d7e94427796b82432fb0c8964f033a6ab)
+- [New] add `WeakRef` support [`b6d898e`](https://github.com/inspect-js/object-inspect/commit/b6d898ee21868c780a7ee66b28532b5b34ed7f09)
+- [meta] do not publish github action workflow files [`918cdfc`](https://github.com/inspect-js/object-inspect/commit/918cdfc4b6fe83f559ff6ef04fe66201e3ff5cbd)
+- [meta] create `FUNDING.yml` [`0bb5fc5`](https://github.com/inspect-js/object-inspect/commit/0bb5fc516dbcd2cd728bd89cee0b580acc5ce301)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`22c8dc0`](https://github.com/inspect-js/object-inspect/commit/22c8dc0cac113d70f4781e49a950070923a671be)
+- [meta] use `prepublishOnly` script for npm 7+ [`e52ee09`](https://github.com/inspect-js/object-inspect/commit/e52ee09e8050b8dbac94ef57f786675567728223)
+- [Dev Deps] update `eslint` [`7c4e6fd`](https://github.com/inspect-js/object-inspect/commit/7c4e6fdedcd27cc980e13c9ad834d05a96f3d40c)
+
+## [v1.9.0](https://github.com/inspect-js/object-inspect/compare/v1.8.0...v1.9.0) - 2020-11-30
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`d262251`](https://github.com/inspect-js/object-inspect/commit/d262251e13e16d3490b5473672f6b6d6ff86675d)
+- [New] add enumerable own Symbols to plain object output [`ee60c03`](https://github.com/inspect-js/object-inspect/commit/ee60c033088cff9d33baa71e59a362a541b48284)
+- [Tests] add passing tests [`01ac3e4`](https://github.com/inspect-js/object-inspect/commit/01ac3e4b5a30f97875a63dc9b1416b3bd626afc9)
+- [actions] add "Require Allow Edits" action [`c2d7746`](https://github.com/inspect-js/object-inspect/commit/c2d774680cde4ca4af332d84d4121b26f798ba9e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `core-js` [`70058de`](https://github.com/inspect-js/object-inspect/commit/70058de1579fc54d1d15ed6c2dbe246637ce70ff)
+- [Fix] hex characters in strings should be uppercased, to match node `assert` [`6ab8faa`](https://github.com/inspect-js/object-inspect/commit/6ab8faaa0abc08fe7a8e2afd8b39c6f1f0e00113)
+- [Tests] run `nyc` on all tests [`4c47372`](https://github.com/inspect-js/object-inspect/commit/4c473727879ddc8e28b599202551ddaaf07b6210)
+- [Tests] node 0.8 has an unpredictable property order; fix `groups` test by removing property [`f192069`](https://github.com/inspect-js/object-inspect/commit/f192069a978a3b60e6f0e0d45ac7df260ab9a778)
+- [New] add enumerable properties to Function inspect result, per node’s `assert` [`fd38e1b`](https://github.com/inspect-js/object-inspect/commit/fd38e1bc3e2a1dc82091ce3e021917462eee64fc)
+- [Tests] fix tests for node &lt; 10, due to regex match `groups` [`2ac6462`](https://github.com/inspect-js/object-inspect/commit/2ac6462cc4f72eaa0b63a8cfee9aabe3008b2330)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config` [`44b59e2`](https://github.com/inspect-js/object-inspect/commit/44b59e2676a7f825ef530dfd19dafb599e3b9456)
+- [Robustness] cache `Symbol.prototype.toString` [`f3c2074`](https://github.com/inspect-js/object-inspect/commit/f3c2074d8f32faf8292587c07c9678ea931703dd)
+- [Dev Deps] update `eslint` [`9411294`](https://github.com/inspect-js/object-inspect/commit/94112944b9245e3302e25453277876402d207e7f)
+- [meta] `require-allow-edits` no longer requires an explicit github token [`36c0220`](https://github.com/inspect-js/object-inspect/commit/36c02205de3c2b0e84d53777c5c9fd54a36c48ab)
+- [actions] update rebase checkout action to v2 [`55a39a6`](https://github.com/inspect-js/object-inspect/commit/55a39a64e944f19c6a7d8efddf3df27700f20d14)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`f59fd3c`](https://github.com/inspect-js/object-inspect/commit/f59fd3cf406c3a7c7ece140904a80bbc6bacfcca)
+- [Dev Deps] update `eslint` [`a492bec`](https://github.com/inspect-js/object-inspect/commit/a492becec644b0155c9c4bc1caf6f9fac11fb2c7)
+
+## [v1.8.0](https://github.com/inspect-js/object-inspect/compare/v1.7.0...v1.8.0) - 2020-06-18
+
+### Fixed
+
+- [New] add `indent` option [`#27`](https://github.com/inspect-js/object-inspect/issues/27)
+
+### Commits
+
+- [Tests] add codecov [`4324cbb`](https://github.com/inspect-js/object-inspect/commit/4324cbb1a2bd7710822a4151ff373570db22453e)
+- [New] add `maxStringLength` option [`b3995cb`](https://github.com/inspect-js/object-inspect/commit/b3995cb71e15b5ee127a3094c43994df9d973502)
+- [New] add `customInspect` option, to disable custom inspect methods [`28b9179`](https://github.com/inspect-js/object-inspect/commit/28b9179ee802bb3b90810100c11637db90c2fb6d)
+- [Tests] add Date and RegExp tests [`3b28eca`](https://github.com/inspect-js/object-inspect/commit/3b28eca57b0367aeadffac604ea09e8bdae7d97b)
+- [actions] add automatic rebasing / merge commit blocking [`0d9c6c0`](https://github.com/inspect-js/object-inspect/commit/0d9c6c044e83475ff0bfffb9d35b149834c83a2e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `tape`; add `aud` [`7c204f2`](https://github.com/inspect-js/object-inspect/commit/7c204f22b9e41bc97147f4d32d4cb045b17769a6)
+- [readme] fix repo URLs, remove testling [`34ca9a0`](https://github.com/inspect-js/object-inspect/commit/34ca9a0dabfe75bd311f806a326fadad029909a3)
+- [Fix] when truncating a deep array, note it as `[Array]` instead of just `[Object]` [`f74c82d`](https://github.com/inspect-js/object-inspect/commit/f74c82dd0b35386445510deb250f34c41be3ec0e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`1a8a5ea`](https://github.com/inspect-js/object-inspect/commit/1a8a5ea069ea2bee89d77caedad83ffa23d35711)
+- [Fix] do not be fooled by a function’s own `toString` method [`7cb5c65`](https://github.com/inspect-js/object-inspect/commit/7cb5c657a976f94715c19c10556a30f15bb7d5d7)
+- [patch] indicate explicitly that anon functions are anonymous, to match node [`81ebdd4`](https://github.com/inspect-js/object-inspect/commit/81ebdd4215005144074bbdff3f6bafa01407910a)
+- [Dev Deps] loosen the `core-js` dep [`e7472e8`](https://github.com/inspect-js/object-inspect/commit/e7472e8e242117670560bd995830c2a4d12080f5)
+- [Dev Deps] update `tape` [`699827e`](https://github.com/inspect-js/object-inspect/commit/699827e6b37258b5203c33c78c009bf4b0e6a66d)
+- [meta] add `safe-publish-latest` [`c5d2868`](https://github.com/inspect-js/object-inspect/commit/c5d2868d6eb33c472f37a20f89ceef2787046088)
+- [Dev Deps] update `@ljharb/eslint-config` [`9199501`](https://github.com/inspect-js/object-inspect/commit/919950195d486114ccebacbdf9d74d7f382693b0)
+
+## [v1.7.0](https://github.com/inspect-js/object-inspect/compare/v1.6.0...v1.7.0) - 2019-11-10
+
+### Commits
+
+- [Tests] use shared travis-ci configs [`19899ed`](https://github.com/inspect-js/object-inspect/commit/19899edbf31f4f8809acf745ce34ad1ce1bfa63b)
+- [Tests] add linting [`a00f057`](https://github.com/inspect-js/object-inspect/commit/a00f057d917f66ea26dd37769c6b810ec4af97e8)
+- [Tests] lint last file [`2698047`](https://github.com/inspect-js/object-inspect/commit/2698047b58af1e2e88061598ef37a75f228dddf6)
+- [Tests] up to `node` `v12.7`, `v11.15`, `v10.16`, `v8.16`, `v6.17` [`589e87a`](https://github.com/inspect-js/object-inspect/commit/589e87a99cadcff4b600e6a303418e9d922836e8)
+- [New] add support for `WeakMap` and `WeakSet` [`3ddb3e4`](https://github.com/inspect-js/object-inspect/commit/3ddb3e4e0c8287130c61a12e0ed9c104b1549306)
+- [meta] clean up license so github can detect it properly [`27527bb`](https://github.com/inspect-js/object-inspect/commit/27527bb801520c9610c68cc3b55d6f20a2bee56d)
+- [Tests] cover `util.inspect.custom` [`36d47b9`](https://github.com/inspect-js/object-inspect/commit/36d47b9c59056a57ef2f1491602c726359561800)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `tape` [`b614eaa`](https://github.com/inspect-js/object-inspect/commit/b614eaac901da0e5c69151f534671f990a94cace)
+- [Tests] fix coverage thresholds [`7b7b176`](https://github.com/inspect-js/object-inspect/commit/7b7b176e15f8bd6e8b2f261ff5a493c2fe78d9c2)
+- [Tests] bigint tests now can run on unflagged node [`063af31`](https://github.com/inspect-js/object-inspect/commit/063af31ce9cd13c202e3b67c07ba06dc9b7c0f81)
+- [Refactor] add early bailout to `isMap` and `isSet` checks [`fc51047`](https://github.com/inspect-js/object-inspect/commit/fc5104714a3671d37e225813db79470d6335683b)
+- [meta] add `funding` field [`7f9953a`](https://github.com/inspect-js/object-inspect/commit/7f9953a113eec7b064a6393cf9f90ba15f1d131b)
+- [Tests] Fix invalid strict-mode syntax with hexadecimal [`a8b5425`](https://github.com/inspect-js/object-inspect/commit/a8b542503b4af1599a275209a1a99f5fdedb1ead)
+- [Dev Deps] update `@ljharb/eslint-config` [`98df157`](https://github.com/inspect-js/object-inspect/commit/98df1577314d9188a3fc3f17fdcf2fba697ae1bd)
+- add copyright to LICENSE [`bb69fd0`](https://github.com/inspect-js/object-inspect/commit/bb69fd017a062d299e44da1f9b2c7dcd67f621e6)
+- [Tests] use `npx aud` in `posttest` [`4838353`](https://github.com/inspect-js/object-inspect/commit/4838353593974cf7f905b9ef04c03c094f0cdbe2)
+- [Tests] move `0.6` to allowed failures, because it won‘t build on travis [`1bff32a`](https://github.com/inspect-js/object-inspect/commit/1bff32aa52e8aea687f0856b28ba754b3e43ebf7)
+
+## [v1.6.0](https://github.com/inspect-js/object-inspect/compare/v1.5.0...v1.6.0) - 2018-05-02
+
+### Commits
+
+- [New] add support for boxed BigInt primitives [`356c66a`](https://github.com/inspect-js/object-inspect/commit/356c66a410e7aece7162c8319880a5ef647beaa9)
+- [Tests] up to `node` `v10.0`, `v9.11`, `v8.11`, `v6.14`, `v4.9` [`c77b65b`](https://github.com/inspect-js/object-inspect/commit/c77b65bba593811b906b9ec57561c5cba92e2db3)
+- [New] Add support for upcoming `BigInt` [`1ac548e`](https://github.com/inspect-js/object-inspect/commit/1ac548e4b27e26466c28c9a5e63e5d4e0591c31f)
+- [Tests] run bigint tests in CI with --harmony-bigint flag [`d31b738`](https://github.com/inspect-js/object-inspect/commit/d31b73831880254b5c6cf5691cda9a149fbc5f04)
+- [Dev Deps] update `core-js`, `tape` [`ff9eff6`](https://github.com/inspect-js/object-inspect/commit/ff9eff67113341ee1aaf80c1c22d683f43bfbccf)
+- [Docs] fix example to use `safer-buffer` [`48cae12`](https://github.com/inspect-js/object-inspect/commit/48cae12a73ec6cacc955175bc56bbe6aee6a211f)
+
+## [v1.5.0](https://github.com/inspect-js/object-inspect/compare/v1.4.1...v1.5.0) - 2017-12-25
+
+### Commits
+
+- [New] add `quoteStyle` option [`f5a72d2`](https://github.com/inspect-js/object-inspect/commit/f5a72d26edb3959b048f74c056ca7100a6b091e4)
+- [Tests] add more test coverage [`30ebe4e`](https://github.com/inspect-js/object-inspect/commit/30ebe4e1fa943b99ecbb85be7614256d536e2759)
+- [Tests] require 0.6 to pass [`99a008c`](https://github.com/inspect-js/object-inspect/commit/99a008ccace189a60fd7da18bf00e32c9572b980)
+
+## [v1.4.1](https://github.com/inspect-js/object-inspect/compare/v1.4.0...v1.4.1) - 2017-12-19
+
+### Commits
+
+- [Tests] up to `node` `v9.3`, `v8.9`, `v6.12` [`6674476`](https://github.com/inspect-js/object-inspect/commit/6674476cc56acaac1bde96c84fed5ef631911906)
+- [Fix] `inspect(Object(-0))` should be “Object(-0)”, not “Object(0)” [`d0a031f`](https://github.com/inspect-js/object-inspect/commit/d0a031f1cbb3024ee9982bfe364dd18a7e4d1bd3)
+
+## [v1.4.0](https://github.com/inspect-js/object-inspect/compare/v1.3.0...v1.4.0) - 2017-10-24
+
+### Commits
+
+- [Tests] add `npm run coverage` [`3b48fb2`](https://github.com/inspect-js/object-inspect/commit/3b48fb25db037235eeb808f0b2830aad7aa36f70)
+- [Tests] remove commented-out osx builds [`71e24db`](https://github.com/inspect-js/object-inspect/commit/71e24db8ad6ee3b9b381c5300b0475f2ba595a73)
+- [New] add support for `util.inspect.custom`, in node only. [`20cca77`](https://github.com/inspect-js/object-inspect/commit/20cca7762d7e17f15b21a90793dff84acce155df)
+- [Tests] up to `node` `v8.6`; use `nvm install-latest-npm` to ensure new npm doesn’t break old node [`252952d`](https://github.com/inspect-js/object-inspect/commit/252952d230d8065851dd3d4d5fe8398aae068529)
+- [Tests] up to `node` `v8.8` [`4aa868d`](https://github.com/inspect-js/object-inspect/commit/4aa868d3a62914091d489dd6ec6eed194ee67cd3)
+- [Dev Deps] update `core-js`, `tape` [`59483d1`](https://github.com/inspect-js/object-inspect/commit/59483d1df418f852f51fa0db7b24aa6b0209a27a)
+
+## [v1.3.0](https://github.com/inspect-js/object-inspect/compare/v1.2.2...v1.3.0) - 2017-07-31
+
+### Fixed
+
+- [Fix] Map/Set: work around core-js bug &lt; v2.5.0 [`#9`](https://github.com/inspect-js/object-inspect/issues/9)
+
+### Commits
+
+- [New] add support for arrays with additional object keys [`0d19937`](https://github.com/inspect-js/object-inspect/commit/0d199374ee37959e51539616666f420ccb29acb9)
+- [Tests] up to `node` `v8.2`, `v7.10`, `v6.11`; fix new npm breaking on older nodes [`e24784a`](https://github.com/inspect-js/object-inspect/commit/e24784a90c49117787157a12a63897c49cf89bbb)
+- Only apps should have lockfiles [`c6faebc`](https://github.com/inspect-js/object-inspect/commit/c6faebcb2ee486a889a4a1c4d78c0776c7576185)
+- [Dev Deps] update `tape` [`7345a0a`](https://github.com/inspect-js/object-inspect/commit/7345a0aeba7e91b888a079c10004d17696a7f586)
+
+## [v1.2.2](https://github.com/inspect-js/object-inspect/compare/v1.2.1...v1.2.2) - 2017-03-24
+
+### Commits
+
+- [Tests] up to `node` `v7.7`, `v6.10`, `v4.8`; improve test matrix [`a2ddc15`](https://github.com/inspect-js/object-inspect/commit/a2ddc15a1f2c65af18076eea1c0eb9cbceb478a0)
+- [Tests] up to `node` `v7.0`, `v6.9`, `v5.12`, `v4.6`, `io.js` `v3.3`; improve test matrix [`a48949f`](https://github.com/inspect-js/object-inspect/commit/a48949f6b574b2d4d2298109d8e8d0eb3e7a83e7)
+- [Performance] check for primitive types as early as possible. [`3b8092a`](https://github.com/inspect-js/object-inspect/commit/3b8092a2a4deffd0575f94334f00194e2d48dad3)
+- [Refactor] remove unneeded `else`s. [`7255034`](https://github.com/inspect-js/object-inspect/commit/725503402e08de4f96f6bf2d8edef44ac36f26b6)
+- [Refactor] avoid recreating `lowbyte` function every time. [`81edd34`](https://github.com/inspect-js/object-inspect/commit/81edd3475bd15bdd18e84de7472033dcf5004aaa)
+- [Fix] differentiate -0 from 0 [`521d345`](https://github.com/inspect-js/object-inspect/commit/521d3456b009da7bf1c5785c8a9df5a9f8718264)
+- [Refactor] move object key gathering into separate function [`aca6265`](https://github.com/inspect-js/object-inspect/commit/aca626536eaeef697196c6e9db3e90e7e0355b6a)
+- [Refactor] consolidate wrapping logic for boxed primitives into a function. [`4e440cd`](https://github.com/inspect-js/object-inspect/commit/4e440cd9065df04802a2a1dead03f48c353ca301)
+- [Robustness] use `typeof` instead of comparing to literal `undefined` [`5ca6f60`](https://github.com/inspect-js/object-inspect/commit/5ca6f601937506daff8ed2fcf686363b55807b69)
+- [Refactor] consolidate Map/Set notations. [`4e576e5`](https://github.com/inspect-js/object-inspect/commit/4e576e5d7ed2f9ec3fb7f37a0d16732eb10758a9)
+- [Tests] ensure that this function remains anonymous, despite ES6 name inference. [`7540ae5`](https://github.com/inspect-js/object-inspect/commit/7540ae591278756db614fa4def55ca413150e1a3)
+- [Refactor] explicitly coerce Error objects to strings. [`7f4ca84`](https://github.com/inspect-js/object-inspect/commit/7f4ca8424ee8dc2c0ca5a422d94f7fac40327261)
+- [Refactor] split up `var` declarations for debuggability [`6f2c11e`](https://github.com/inspect-js/object-inspect/commit/6f2c11e6a85418586a00292dcec5e97683f89bc3)
+- [Robustness] cache `Object.prototype.toString` [`df44a20`](https://github.com/inspect-js/object-inspect/commit/df44a20adfccf31529d60d1df2079bfc3c836e27)
+- [Dev Deps] update `tape` [`3ec714e`](https://github.com/inspect-js/object-inspect/commit/3ec714eba57bc3f58a6eb4fca1376f49e70d300a)
+- [Dev Deps] update `tape` [`beb72d9`](https://github.com/inspect-js/object-inspect/commit/beb72d969653747d7cde300393c28755375329b0)
+
+## [v1.2.1](https://github.com/inspect-js/object-inspect/compare/v1.2.0...v1.2.1) - 2016-04-09
+
+### Fixed
+
+- [Fix] fix Boolean `false` object inspection. [`#7`](https://github.com/substack/object-inspect/pull/7)
+
+## [v1.2.0](https://github.com/inspect-js/object-inspect/compare/v1.1.0...v1.2.0) - 2016-04-09
+
+### Fixed
+
+- [New] add support for inspecting String/Number/Boolean objects. [`#6`](https://github.com/inspect-js/object-inspect/issues/6)
+
+### Commits
+
+- [Dev Deps] update `tape` [`742caa2`](https://github.com/inspect-js/object-inspect/commit/742caa262cf7af4c815d4821c8bd0129c1446432)
+
+## [v1.1.0](https://github.com/inspect-js/object-inspect/compare/1.0.2...v1.1.0) - 2015-12-14
+
+### Merged
+
+- [New] add ES6 Map/Set support. [`#4`](https://github.com/inspect-js/object-inspect/pull/4)
+
+### Fixed
+
+- [New] add ES6 Map/Set support. [`#3`](https://github.com/inspect-js/object-inspect/issues/3)
+
+### Commits
+
+- Update `travis.yml` to test on bunches of `iojs` and `node` versions. [`4c1fd65`](https://github.com/inspect-js/object-inspect/commit/4c1fd65cc3bd95307e854d114b90478324287fd2)
+- [Dev Deps] update `tape` [`88a907e`](https://github.com/inspect-js/object-inspect/commit/88a907e33afbe408e4b5d6e4e42a33143f88848c)
+
+## [1.0.2](https://github.com/inspect-js/object-inspect/compare/1.0.1...1.0.2) - 2015-08-07
+
+### Commits
+
+- [Fix] Cache `Object.prototype.hasOwnProperty` in case it's deleted later. [`1d0075d`](https://github.com/inspect-js/object-inspect/commit/1d0075d3091dc82246feeb1f9871cb2b8ed227b3)
+- [Dev Deps] Update `tape` [`ca8d5d7`](https://github.com/inspect-js/object-inspect/commit/ca8d5d75635ddbf76f944e628267581e04958457)
+- gitignore node_modules since this is a reusable modules. [`ed41407`](https://github.com/inspect-js/object-inspect/commit/ed41407811743ca530cdeb28f982beb96026af82)
+
+## [1.0.1](https://github.com/inspect-js/object-inspect/compare/1.0.0...1.0.1) - 2015-07-19
+
+### Commits
+
+- Make `inspect` work with symbol primitives and objects, including in node 0.11 and 0.12. [`ddf1b94`](https://github.com/inspect-js/object-inspect/commit/ddf1b94475ab951f1e3bccdc0a48e9073cfbfef4)
+- bump tape [`103d674`](https://github.com/inspect-js/object-inspect/commit/103d67496b504bdcfdd765d303a773f87ec106e2)
+- use newer travis config [`d497276`](https://github.com/inspect-js/object-inspect/commit/d497276c1da14234bb5098a59cf20de75fbc316a)
+
+## [1.0.0](https://github.com/inspect-js/object-inspect/compare/0.4.0...1.0.0) - 2014-08-05
+
+### Commits
+
+- error inspect works properly [`260a22d`](https://github.com/inspect-js/object-inspect/commit/260a22d134d3a8a482c67d52091c6040c34f4299)
+- seen coverage [`57269e8`](https://github.com/inspect-js/object-inspect/commit/57269e8baa992a7439047f47325111fdcbcb8417)
+- htmlelement instance coverage [`397ffe1`](https://github.com/inspect-js/object-inspect/commit/397ffe10a1980350868043ef9de65686d438979f)
+- more element coverage [`6905cc2`](https://github.com/inspect-js/object-inspect/commit/6905cc2f7df35600177e613b0642b4df5efd3eca)
+- failing test for type errors [`385b615`](https://github.com/inspect-js/object-inspect/commit/385b6152e49b51b68449a662f410b084ed7c601a)
+- fn name coverage [`edc906d`](https://github.com/inspect-js/object-inspect/commit/edc906d40fca6b9194d304062c037ee8e398c4c2)
+- server-side element test [`362d1d3`](https://github.com/inspect-js/object-inspect/commit/362d1d3e86f187651c29feeb8478110afada385b)
+- custom inspect fn [`e89b0f6`](https://github.com/inspect-js/object-inspect/commit/e89b0f6fe6d5e03681282af83732a509160435a6)
+- fixed browser test [`b530882`](https://github.com/inspect-js/object-inspect/commit/b5308824a1c8471c5617e394766a03a6977102a9)
+- depth test, matches node [`1cfd9e0`](https://github.com/inspect-js/object-inspect/commit/1cfd9e0285a4ae1dff44101ad482915d9bf47e48)
+- exercise hasOwnProperty path [`8d753fb`](https://github.com/inspect-js/object-inspect/commit/8d753fb362a534fa1106e4d80f2ee9bea06a66d9)
+- more cases covered for errors [`c5c46a5`](https://github.com/inspect-js/object-inspect/commit/c5c46a569ec4606583497e8550f0d8c7ad39a4a4)
+- \W obj key test case [`b0eceee`](https://github.com/inspect-js/object-inspect/commit/b0eceeea6e0eb94d686c1046e99b9e25e5005f75)
+- coverage for explicit depth param [`e12b91c`](https://github.com/inspect-js/object-inspect/commit/e12b91cd59683362f3a0e80f46481a0211e26c15)
+
+## [0.4.0](https://github.com/inspect-js/object-inspect/compare/0.3.1...0.4.0) - 2014-03-21
+
+### Commits
+
+- passing lowbyte interpolation test [`b847511`](https://github.com/inspect-js/object-inspect/commit/b8475114f5def7e7961c5353d48d3d8d9a520985)
+- lowbyte test [`4a2b0e1`](https://github.com/inspect-js/object-inspect/commit/4a2b0e142667fc933f195472759385ac08f3946c)
+
+## [0.3.1](https://github.com/inspect-js/object-inspect/compare/0.3.0...0.3.1) - 2014-03-04
+
+### Commits
+
+- sort keys [`a07b19c`](https://github.com/inspect-js/object-inspect/commit/a07b19cc3b1521a82d4fafb6368b7a9775428a05)
+
+## [0.3.0](https://github.com/inspect-js/object-inspect/compare/0.2.0...0.3.0) - 2014-03-04
+
+### Commits
+
+- [] and {} instead of [ ] and { } [`654c44b`](https://github.com/inspect-js/object-inspect/commit/654c44b2865811f3519e57bb8526e0821caf5c6b)
+
+## [0.2.0](https://github.com/inspect-js/object-inspect/compare/0.1.3...0.2.0) - 2014-03-04
+
+### Commits
+
+- failing holes test [`99cdfad`](https://github.com/inspect-js/object-inspect/commit/99cdfad03c6474740275a75636fe6ca86c77737a)
+- regex already work [`e324033`](https://github.com/inspect-js/object-inspect/commit/e324033267025995ec97d32ed0a65737c99477a6)
+- failing undef/null test [`1f88a00`](https://github.com/inspect-js/object-inspect/commit/1f88a00265d3209719dda8117b7e6360b4c20943)
+- holes in the all example [`7d345f3`](https://github.com/inspect-js/object-inspect/commit/7d345f3676dcbe980cff89a4f6c243269ebbb709)
+- check for .inspect(), fixes Buffer use-case [`c3f7546`](https://github.com/inspect-js/object-inspect/commit/c3f75466dbca125347d49847c05262c292f12b79)
+- fixes for holes [`ce25f73`](https://github.com/inspect-js/object-inspect/commit/ce25f736683de4b92ff27dc5471218415e2d78d8)
+- weird null behavior [`405c1ea`](https://github.com/inspect-js/object-inspect/commit/405c1ea72cd5a8cf3b498c3eaa903d01b9fbcab5)
+- tape is actually a devDependency, upgrade [`703b0ce`](https://github.com/inspect-js/object-inspect/commit/703b0ce6c5817b4245a082564bccd877e0bb6990)
+- put date in the example [`a342219`](https://github.com/inspect-js/object-inspect/commit/a3422190eeaa013215f46df2d0d37b48595ac058)
+- passing the null test [`4ab737e`](https://github.com/inspect-js/object-inspect/commit/4ab737ebf862a75d247ebe51e79307a34d6380d4)
+
+## [0.1.3](https://github.com/inspect-js/object-inspect/compare/0.1.1...0.1.3) - 2013-07-26
+
+### Commits
+
+- special isElement() check [`882768a`](https://github.com/inspect-js/object-inspect/commit/882768a54035d30747be9de1baf14e5aa0daa128)
+- oh right old IEs don't have indexOf either [`36d1275`](https://github.com/inspect-js/object-inspect/commit/36d12756c38b08a74370b0bb696c809e529913a5)
+
+## [0.1.1](https://github.com/inspect-js/object-inspect/compare/0.1.0...0.1.1) - 2013-07-26
+
+### Commits
+
+- tests! [`4422fd9`](https://github.com/inspect-js/object-inspect/commit/4422fd95532c2745aa6c4f786f35f1090be29998)
+- fix for ie&lt;9, doesn't have hasOwnProperty [`6b7d611`](https://github.com/inspect-js/object-inspect/commit/6b7d61183050f6da801ea04473211da226482613)
+- fix for all IEs: no f.name [`4e0c2f6`](https://github.com/inspect-js/object-inspect/commit/4e0c2f6dfd01c306d067d7163319acc97c94ee50)
+- badges [`5ed0d88`](https://github.com/inspect-js/object-inspect/commit/5ed0d88e4e407f9cb327fa4a146c17921f9680f3)
+
+## [0.1.0](https://github.com/inspect-js/object-inspect/compare/0.0.0...0.1.0) - 2013-07-26
+
+### Commits
+
+- [Function] for functions [`ad5c485`](https://github.com/inspect-js/object-inspect/commit/ad5c485098fc83352cb540a60b2548ca56820e0b)
+
+## 0.0.0 - 2013-07-26
+
+### Commits
+
+- working browser example [`34be6b6`](https://github.com/inspect-js/object-inspect/commit/34be6b6548f9ce92bdc3c27572857ba0c4a1218d)
+- package.json etc [`cad51f2`](https://github.com/inspect-js/object-inspect/commit/cad51f23fc6bcf1a456ed6abe16088256c2f632f)
+- docs complete [`b80cce2`](https://github.com/inspect-js/object-inspect/commit/b80cce2490c4e7183a9ee11ea89071f0abec4446)
+- circular example [`4b4a7b9`](https://github.com/inspect-js/object-inspect/commit/4b4a7b92209e4e6b4630976cb6bcd17d14165a59)
+- string rep [`7afb479`](https://github.com/inspect-js/object-inspect/commit/7afb479baa798d27f09e0a178b72ea327f60f5c8)
diff --git a/web/public/node_modules/object-inspect/LICENSE b/web/public/node_modules/object-inspect/LICENSE
new file mode 100644
index 000000000..ca64cc1e6
--- /dev/null
+++ b/web/public/node_modules/object-inspect/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013 James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/object-inspect/example/all.js b/web/public/node_modules/object-inspect/example/all.js
new file mode 100644
index 000000000..2f3355c50
--- /dev/null
+++ b/web/public/node_modules/object-inspect/example/all.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var inspect = require('../');
+var Buffer = require('safer-buffer').Buffer;
+
+var holes = ['a', 'b'];
+holes[4] = 'e';
+holes[6] = 'g';
+
+var obj = {
+    a: 1,
+    b: [3, 4, undefined, null],
+    c: undefined,
+    d: null,
+    e: {
+        regex: /^x/i,
+        buf: Buffer.from('abc'),
+        holes: holes
+    },
+    now: new Date()
+};
+obj.self = obj;
+console.log(inspect(obj));
diff --git a/web/public/node_modules/object-inspect/example/circular.js b/web/public/node_modules/object-inspect/example/circular.js
new file mode 100644
index 000000000..487a7c169
--- /dev/null
+++ b/web/public/node_modules/object-inspect/example/circular.js
@@ -0,0 +1,6 @@
+'use strict';
+
+var inspect = require('../');
+var obj = { a: 1, b: [3, 4] };
+obj.c = obj;
+console.log(inspect(obj));
diff --git a/web/public/node_modules/object-inspect/example/fn.js b/web/public/node_modules/object-inspect/example/fn.js
new file mode 100644
index 000000000..9b5db8de0
--- /dev/null
+++ b/web/public/node_modules/object-inspect/example/fn.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var inspect = require('../');
+var obj = [1, 2, function f(n) { return n + 5; }, 4];
+console.log(inspect(obj));
diff --git a/web/public/node_modules/object-inspect/example/inspect.js b/web/public/node_modules/object-inspect/example/inspect.js
new file mode 100644
index 000000000..e2df7c9f4
--- /dev/null
+++ b/web/public/node_modules/object-inspect/example/inspect.js
@@ -0,0 +1,10 @@
+'use strict';
+
+/* eslint-env browser */
+var inspect = require('../');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]));
diff --git a/web/public/node_modules/object-inspect/index.js b/web/public/node_modules/object-inspect/index.js
new file mode 100644
index 000000000..eb89fafb5
--- /dev/null
+++ b/web/public/node_modules/object-inspect/index.js
@@ -0,0 +1,527 @@
+var hasMap = typeof Map === 'function' && Map.prototype;
+var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
+var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
+var mapForEach = hasMap && Map.prototype.forEach;
+var hasSet = typeof Set === 'function' && Set.prototype;
+var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
+var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
+var setForEach = hasSet && Set.prototype.forEach;
+var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype;
+var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null;
+var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype;
+var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null;
+var hasWeakRef = typeof WeakRef === 'function' && WeakRef.prototype;
+var weakRefDeref = hasWeakRef ? WeakRef.prototype.deref : null;
+var booleanValueOf = Boolean.prototype.valueOf;
+var objectToString = Object.prototype.toString;
+var functionToString = Function.prototype.toString;
+var $match = String.prototype.match;
+var $slice = String.prototype.slice;
+var $replace = String.prototype.replace;
+var $toUpperCase = String.prototype.toUpperCase;
+var $toLowerCase = String.prototype.toLowerCase;
+var $test = RegExp.prototype.test;
+var $concat = Array.prototype.concat;
+var $join = Array.prototype.join;
+var $arrSlice = Array.prototype.slice;
+var $floor = Math.floor;
+var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null;
+var gOPS = Object.getOwnPropertySymbols;
+var symToString = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol.prototype.toString : null;
+var hasShammedSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'object';
+// ie, `has-tostringtag/shams
+var toStringTag = typeof Symbol === 'function' && Symbol.toStringTag && (typeof Symbol.toStringTag === hasShammedSymbols ? 'object' : 'symbol')
+    ? Symbol.toStringTag
+    : null;
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+
+var gPO = (typeof Reflect === 'function' ? Reflect.getPrototypeOf : Object.getPrototypeOf) || (
+    [].__proto__ === Array.prototype // eslint-disable-line no-proto
+        ? function (O) {
+            return O.__proto__; // eslint-disable-line no-proto
+        }
+        : null
+);
+
+function addNumericSeparator(num, str) {
+    if (
+        num === Infinity
+        || num === -Infinity
+        || num !== num
+        || (num && num > -1000 && num < 1000)
+        || $test.call(/e/, str)
+    ) {
+        return str;
+    }
+    var sepRegex = /[0-9](?=(?:[0-9]{3})+(?![0-9]))/g;
+    if (typeof num === 'number') {
+        var int = num < 0 ? -$floor(-num) : $floor(num); // trunc(num)
+        if (int !== num) {
+            var intStr = String(int);
+            var dec = $slice.call(str, intStr.length + 1);
+            return $replace.call(intStr, sepRegex, '$&_') + '.' + $replace.call($replace.call(dec, /([0-9]{3})/g, '$&_'), /_$/, '');
+        }
+    }
+    return $replace.call(str, sepRegex, '$&_');
+}
+
+var utilInspect = require('./util.inspect');
+var inspectCustom = utilInspect.custom;
+var inspectSymbol = isSymbol(inspectCustom) ? inspectCustom : null;
+
+module.exports = function inspect_(obj, options, depth, seen) {
+    var opts = options || {};
+
+    if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) {
+        throw new TypeError('option "quoteStyle" must be "single" or "double"');
+    }
+    if (
+        has(opts, 'maxStringLength') && (typeof opts.maxStringLength === 'number'
+            ? opts.maxStringLength < 0 && opts.maxStringLength !== Infinity
+            : opts.maxStringLength !== null
+        )
+    ) {
+        throw new TypeError('option "maxStringLength", if provided, must be a positive integer, Infinity, or `null`');
+    }
+    var customInspect = has(opts, 'customInspect') ? opts.customInspect : true;
+    if (typeof customInspect !== 'boolean' && customInspect !== 'symbol') {
+        throw new TypeError('option "customInspect", if provided, must be `true`, `false`, or `\'symbol\'`');
+    }
+
+    if (
+        has(opts, 'indent')
+        && opts.indent !== null
+        && opts.indent !== '\t'
+        && !(parseInt(opts.indent, 10) === opts.indent && opts.indent > 0)
+    ) {
+        throw new TypeError('option "indent" must be "\\t", an integer > 0, or `null`');
+    }
+    if (has(opts, 'numericSeparator') && typeof opts.numericSeparator !== 'boolean') {
+        throw new TypeError('option "numericSeparator", if provided, must be `true` or `false`');
+    }
+    var numericSeparator = opts.numericSeparator;
+
+    if (typeof obj === 'undefined') {
+        return 'undefined';
+    }
+    if (obj === null) {
+        return 'null';
+    }
+    if (typeof obj === 'boolean') {
+        return obj ? 'true' : 'false';
+    }
+
+    if (typeof obj === 'string') {
+        return inspectString(obj, opts);
+    }
+    if (typeof obj === 'number') {
+        if (obj === 0) {
+            return Infinity / obj > 0 ? '0' : '-0';
+        }
+        var str = String(obj);
+        return numericSeparator ? addNumericSeparator(obj, str) : str;
+    }
+    if (typeof obj === 'bigint') {
+        var bigIntStr = String(obj) + 'n';
+        return numericSeparator ? addNumericSeparator(obj, bigIntStr) : bigIntStr;
+    }
+
+    var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
+    if (typeof depth === 'undefined') { depth = 0; }
+    if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
+        return isArray(obj) ? '[Array]' : '[Object]';
+    }
+
+    var indent = getIndent(opts, depth);
+
+    if (typeof seen === 'undefined') {
+        seen = [];
+    } else if (indexOf(seen, obj) >= 0) {
+        return '[Circular]';
+    }
+
+    function inspect(value, from, noIndent) {
+        if (from) {
+            seen = $arrSlice.call(seen);
+            seen.push(from);
+        }
+        if (noIndent) {
+            var newOpts = {
+                depth: opts.depth
+            };
+            if (has(opts, 'quoteStyle')) {
+                newOpts.quoteStyle = opts.quoteStyle;
+            }
+            return inspect_(value, newOpts, depth + 1, seen);
+        }
+        return inspect_(value, opts, depth + 1, seen);
+    }
+
+    if (typeof obj === 'function' && !isRegExp(obj)) { // in older engines, regexes are callable
+        var name = nameOf(obj);
+        var keys = arrObjKeys(obj, inspect);
+        return '[Function' + (name ? ': ' + name : ' (anonymous)') + ']' + (keys.length > 0 ? ' { ' + $join.call(keys, ', ') + ' }' : '');
+    }
+    if (isSymbol(obj)) {
+        var symString = hasShammedSymbols ? $replace.call(String(obj), /^(Symbol\(.*\))_[^)]*$/, '$1') : symToString.call(obj);
+        return typeof obj === 'object' && !hasShammedSymbols ? markBoxed(symString) : symString;
+    }
+    if (isElement(obj)) {
+        var s = '<' + $toLowerCase.call(String(obj.nodeName));
+        var attrs = obj.attributes || [];
+        for (var i = 0; i < attrs.length; i++) {
+            s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts);
+        }
+        s += '>';
+        if (obj.childNodes && obj.childNodes.length) { s += '...'; }
+        s += '</' + $toLowerCase.call(String(obj.nodeName)) + '>';
+        return s;
+    }
+    if (isArray(obj)) {
+        if (obj.length === 0) { return '[]'; }
+        var xs = arrObjKeys(obj, inspect);
+        if (indent && !singleLineValues(xs)) {
+            return '[' + indentedJoin(xs, indent) + ']';
+        }
+        return '[ ' + $join.call(xs, ', ') + ' ]';
+    }
+    if (isError(obj)) {
+        var parts = arrObjKeys(obj, inspect);
+        if (!('cause' in Error.prototype) && 'cause' in obj && !isEnumerable.call(obj, 'cause')) {
+            return '{ [' + String(obj) + '] ' + $join.call($concat.call('[cause]: ' + inspect(obj.cause), parts), ', ') + ' }';
+        }
+        if (parts.length === 0) { return '[' + String(obj) + ']'; }
+        return '{ [' + String(obj) + '] ' + $join.call(parts, ', ') + ' }';
+    }
+    if (typeof obj === 'object' && customInspect) {
+        if (inspectSymbol && typeof obj[inspectSymbol] === 'function' && utilInspect) {
+            return utilInspect(obj, { depth: maxDepth - depth });
+        } else if (customInspect !== 'symbol' && typeof obj.inspect === 'function') {
+            return obj.inspect();
+        }
+    }
+    if (isMap(obj)) {
+        var mapParts = [];
+        if (mapForEach) {
+            mapForEach.call(obj, function (value, key) {
+                mapParts.push(inspect(key, obj, true) + ' => ' + inspect(value, obj));
+            });
+        }
+        return collectionOf('Map', mapSize.call(obj), mapParts, indent);
+    }
+    if (isSet(obj)) {
+        var setParts = [];
+        if (setForEach) {
+            setForEach.call(obj, function (value) {
+                setParts.push(inspect(value, obj));
+            });
+        }
+        return collectionOf('Set', setSize.call(obj), setParts, indent);
+    }
+    if (isWeakMap(obj)) {
+        return weakCollectionOf('WeakMap');
+    }
+    if (isWeakSet(obj)) {
+        return weakCollectionOf('WeakSet');
+    }
+    if (isWeakRef(obj)) {
+        return weakCollectionOf('WeakRef');
+    }
+    if (isNumber(obj)) {
+        return markBoxed(inspect(Number(obj)));
+    }
+    if (isBigInt(obj)) {
+        return markBoxed(inspect(bigIntValueOf.call(obj)));
+    }
+    if (isBoolean(obj)) {
+        return markBoxed(booleanValueOf.call(obj));
+    }
+    if (isString(obj)) {
+        return markBoxed(inspect(String(obj)));
+    }
+    // note: in IE 8, sometimes `global !== window` but both are the prototypes of each other
+    /* eslint-env browser */
+    if (typeof window !== 'undefined' && obj === window) {
+        return '{ [object Window] }';
+    }
+    if (
+        (typeof globalThis !== 'undefined' && obj === globalThis)
+        || (typeof global !== 'undefined' && obj === global)
+    ) {
+        return '{ [object globalThis] }';
+    }
+    if (!isDate(obj) && !isRegExp(obj)) {
+        var ys = arrObjKeys(obj, inspect);
+        var isPlainObject = gPO ? gPO(obj) === Object.prototype : obj instanceof Object || obj.constructor === Object;
+        var protoTag = obj instanceof Object ? '' : 'null prototype';
+        var stringTag = !isPlainObject && toStringTag && Object(obj) === obj && toStringTag in obj ? $slice.call(toStr(obj), 8, -1) : protoTag ? 'Object' : '';
+        var constructorTag = isPlainObject || typeof obj.constructor !== 'function' ? '' : obj.constructor.name ? obj.constructor.name + ' ' : '';
+        var tag = constructorTag + (stringTag || protoTag ? '[' + $join.call($concat.call([], stringTag || [], protoTag || []), ': ') + '] ' : '');
+        if (ys.length === 0) { return tag + '{}'; }
+        if (indent) {
+            return tag + '{' + indentedJoin(ys, indent) + '}';
+        }
+        return tag + '{ ' + $join.call(ys, ', ') + ' }';
+    }
+    return String(obj);
+};
+
+function wrapQuotes(s, defaultStyle, opts) {
+    var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '"' : "'";
+    return quoteChar + s + quoteChar;
+}
+
+function quote(s) {
+    return $replace.call(String(s), /"/g, '&quot;');
+}
+
+function isArray(obj) { return toStr(obj) === '[object Array]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isDate(obj) { return toStr(obj) === '[object Date]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isRegExp(obj) { return toStr(obj) === '[object RegExp]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isError(obj) { return toStr(obj) === '[object Error]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isString(obj) { return toStr(obj) === '[object String]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isNumber(obj) { return toStr(obj) === '[object Number]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isBoolean(obj) { return toStr(obj) === '[object Boolean]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+
+// Symbol and BigInt do have Symbol.toStringTag by spec, so that can't be used to eliminate false positives
+function isSymbol(obj) {
+    if (hasShammedSymbols) {
+        return obj && typeof obj === 'object' && obj instanceof Symbol;
+    }
+    if (typeof obj === 'symbol') {
+        return true;
+    }
+    if (!obj || typeof obj !== 'object' || !symToString) {
+        return false;
+    }
+    try {
+        symToString.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isBigInt(obj) {
+    if (!obj || typeof obj !== 'object' || !bigIntValueOf) {
+        return false;
+    }
+    try {
+        bigIntValueOf.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
+function has(obj, key) {
+    return hasOwn.call(obj, key);
+}
+
+function toStr(obj) {
+    return objectToString.call(obj);
+}
+
+function nameOf(f) {
+    if (f.name) { return f.name; }
+    var m = $match.call(functionToString.call(f), /^function\s*([\w$]+)/);
+    if (m) { return m[1]; }
+    return null;
+}
+
+function indexOf(xs, x) {
+    if (xs.indexOf) { return xs.indexOf(x); }
+    for (var i = 0, l = xs.length; i < l; i++) {
+        if (xs[i] === x) { return i; }
+    }
+    return -1;
+}
+
+function isMap(x) {
+    if (!mapSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        mapSize.call(x);
+        try {
+            setSize.call(x);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof Map; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakMap(x) {
+    if (!weakMapHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakMapHas.call(x, weakMapHas);
+        try {
+            weakSetHas.call(x, weakSetHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakMap; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakRef(x) {
+    if (!weakRefDeref || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakRefDeref.call(x);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isSet(x) {
+    if (!setSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        setSize.call(x);
+        try {
+            mapSize.call(x);
+        } catch (m) {
+            return true;
+        }
+        return x instanceof Set; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakSet(x) {
+    if (!weakSetHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakSetHas.call(x, weakSetHas);
+        try {
+            weakMapHas.call(x, weakMapHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakSet; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isElement(x) {
+    if (!x || typeof x !== 'object') { return false; }
+    if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
+        return true;
+    }
+    return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function';
+}
+
+function inspectString(str, opts) {
+    if (str.length > opts.maxStringLength) {
+        var remaining = str.length - opts.maxStringLength;
+        var trailer = '... ' + remaining + ' more character' + (remaining > 1 ? 's' : '');
+        return inspectString($slice.call(str, 0, opts.maxStringLength), opts) + trailer;
+    }
+    // eslint-disable-next-line no-control-regex
+    var s = $replace.call($replace.call(str, /(['\\])/g, '\\$1'), /[\x00-\x1f]/g, lowbyte);
+    return wrapQuotes(s, 'single', opts);
+}
+
+function lowbyte(c) {
+    var n = c.charCodeAt(0);
+    var x = {
+        8: 'b',
+        9: 't',
+        10: 'n',
+        12: 'f',
+        13: 'r'
+    }[n];
+    if (x) { return '\\' + x; }
+    return '\\x' + (n < 0x10 ? '0' : '') + $toUpperCase.call(n.toString(16));
+}
+
+function markBoxed(str) {
+    return 'Object(' + str + ')';
+}
+
+function weakCollectionOf(type) {
+    return type + ' { ? }';
+}
+
+function collectionOf(type, size, entries, indent) {
+    var joinedEntries = indent ? indentedJoin(entries, indent) : $join.call(entries, ', ');
+    return type + ' (' + size + ') {' + joinedEntries + '}';
+}
+
+function singleLineValues(xs) {
+    for (var i = 0; i < xs.length; i++) {
+        if (indexOf(xs[i], '\n') >= 0) {
+            return false;
+        }
+    }
+    return true;
+}
+
+function getIndent(opts, depth) {
+    var baseIndent;
+    if (opts.indent === '\t') {
+        baseIndent = '\t';
+    } else if (typeof opts.indent === 'number' && opts.indent > 0) {
+        baseIndent = $join.call(Array(opts.indent + 1), ' ');
+    } else {
+        return null;
+    }
+    return {
+        base: baseIndent,
+        prev: $join.call(Array(depth + 1), baseIndent)
+    };
+}
+
+function indentedJoin(xs, indent) {
+    if (xs.length === 0) { return ''; }
+    var lineJoiner = '\n' + indent.prev + indent.base;
+    return lineJoiner + $join.call(xs, ',' + lineJoiner) + '\n' + indent.prev;
+}
+
+function arrObjKeys(obj, inspect) {
+    var isArr = isArray(obj);
+    var xs = [];
+    if (isArr) {
+        xs.length = obj.length;
+        for (var i = 0; i < obj.length; i++) {
+            xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';
+        }
+    }
+    var syms = typeof gOPS === 'function' ? gOPS(obj) : [];
+    var symMap;
+    if (hasShammedSymbols) {
+        symMap = {};
+        for (var k = 0; k < syms.length; k++) {
+            symMap['$' + syms[k]] = syms[k];
+        }
+    }
+
+    for (var key in obj) { // eslint-disable-line no-restricted-syntax
+        if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (hasShammedSymbols && symMap['$' + key] instanceof Symbol) {
+            // this is to prevent shammed Symbols, which are stored as strings, from being included in the string key section
+            continue; // eslint-disable-line no-restricted-syntax, no-continue
+        } else if ($test.call(/[^\w$]/, key)) {
+            xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
+        } else {
+            xs.push(key + ': ' + inspect(obj[key], obj));
+        }
+    }
+    if (typeof gOPS === 'function') {
+        for (var j = 0; j < syms.length; j++) {
+            if (isEnumerable.call(obj, syms[j])) {
+                xs.push('[' + inspect(syms[j]) + ']: ' + inspect(obj[syms[j]], obj));
+            }
+        }
+    }
+    return xs;
+}
diff --git a/web/public/node_modules/object-inspect/package-support.json b/web/public/node_modules/object-inspect/package-support.json
new file mode 100644
index 000000000..5cc12d058
--- /dev/null
+++ b/web/public/node_modules/object-inspect/package-support.json
@@ -0,0 +1,20 @@
+{
+  "versions": [
+    {
+      "version": "*",
+      "target": {
+        "node": "all"
+      },
+      "response": {
+        "type": "time-permitting"
+      },
+      "backing": {
+        "npm-funding": true,
+        "donations": [
+          "https://github.com/ljharb",
+          "https://tidelift.com/funding/github/npm/object-inspect"
+        ]
+      }
+    }
+  ]
+}
diff --git a/web/public/node_modules/object-inspect/package.json b/web/public/node_modules/object-inspect/package.json
new file mode 100644
index 000000000..9974d2129
--- /dev/null
+++ b/web/public/node_modules/object-inspect/package.json
@@ -0,0 +1,104 @@
+{
+  "name": "object-inspect",
+  "version": "1.13.2",
+  "description": "string representations of objects in node and the browser",
+  "main": "index.js",
+  "sideEffects": false,
+  "devDependencies": {
+    "@ljharb/eslint-config": "^21.1.1",
+    "@pkgjs/support": "^0.0.6",
+    "auto-changelog": "^2.4.0",
+    "core-js": "^2.6.12",
+    "error-cause": "^1.0.8",
+    "es-value-fixtures": "^1.4.2",
+    "eslint": "=8.8.0",
+    "for-each": "^0.3.3",
+    "functions-have-names": "^1.2.3",
+    "glob": "=10.3.7",
+    "globalthis": "^1.0.4",
+    "has-symbols": "^1.0.3",
+    "has-tostringtag": "^1.0.2",
+    "in-publish": "^2.0.1",
+    "jackspeak": "=2.1.1",
+    "make-arrow-function": "^1.2.0",
+    "mock-property": "^1.0.3",
+    "npmignore": "^0.3.1",
+    "nyc": "^10.3.2",
+    "safe-publish-latest": "^2.0.0",
+    "safer-buffer": "^2.1.2",
+    "string.prototype.repeat": "^1.0.0",
+    "tape": "^5.8.1"
+  },
+  "scripts": {
+    "prepack": "npmignore --auto --commentLines=autogenerated",
+    "prepublish": "not-in-publish || npm run prepublishOnly",
+    "prepublishOnly": "safe-publish-latest",
+    "pretest": "npm run lint",
+    "lint": "eslint --ext=js,mjs .",
+    "postlint": "npx @pkgjs/support validate",
+    "test": "npm run tests-only && npm run test:corejs",
+    "tests-only": "nyc tape 'test/*.js'",
+    "test:corejs": "nyc tape test-core-js.js 'test/*.js'",
+    "posttest": "npx aud --production",
+    "version": "auto-changelog && git add CHANGELOG.md",
+    "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+  },
+  "testling": {
+    "files": [
+      "test/*.js",
+      "test/browser/*.js"
+    ],
+    "browsers": [
+      "ie/6..latest",
+      "chrome/latest",
+      "firefox/latest",
+      "safari/latest",
+      "opera/latest",
+      "iphone/latest",
+      "ipad/latest",
+      "android/latest"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/inspect-js/object-inspect.git"
+  },
+  "homepage": "https://github.com/inspect-js/object-inspect",
+  "keywords": [
+    "inspect",
+    "util.inspect",
+    "object",
+    "stringify",
+    "pretty"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "funding": {
+    "url": "https://github.com/sponsors/ljharb"
+  },
+  "license": "MIT",
+  "browser": {
+    "./util.inspect.js": false
+  },
+  "auto-changelog": {
+    "output": "CHANGELOG.md",
+    "template": "keepachangelog",
+    "unreleased": false,
+    "commitLimit": false,
+    "backfillLimit": false,
+    "hideCredit": true
+  },
+  "publishConfig": {
+    "ignore": [
+      ".github/workflows",
+      "./test-core-js.js"
+    ]
+  },
+  "support": true,
+  "engines": {
+    "node": ">= 0.4"
+  }
+}
diff --git a/web/public/node_modules/object-inspect/readme.markdown b/web/public/node_modules/object-inspect/readme.markdown
new file mode 100644
index 000000000..f91617df3
--- /dev/null
+++ b/web/public/node_modules/object-inspect/readme.markdown
@@ -0,0 +1,84 @@
+# object-inspect <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+string representations of objects in node and the browser
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+# example
+
+## circular
+
+``` js
+var inspect = require('object-inspect');
+var obj = { a: 1, b: [3,4] };
+obj.c = obj;
+console.log(inspect(obj));
+```
+
+## dom element
+
+``` js
+var inspect = require('object-inspect');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([ d, { a: 3, b : 4, c: [5,6,[7,[8,[9]]]] } ]));
+```
+
+output:
+
+```
+[ <div id="beep">...</div>, { a: 3, b: 4, c: [ 5, 6, [ 7, [ 8, [ ... ] ] ] ] } ]
+```
+
+# methods
+
+``` js
+var inspect = require('object-inspect')
+```
+
+## var s = inspect(obj, opts={})
+
+Return a string `s` with the string representation of `obj` up to a depth of `opts.depth`.
+
+Additional options:
+  - `quoteStyle`: must be "single" or "double", if present. Default `'single'` for strings, `'double'` for HTML elements.
+  - `maxStringLength`: must be `0`, a positive integer, `Infinity`, or `null`, if present. Default `Infinity`.
+  - `customInspect`: When `true`, a custom inspect method function will be invoked (either undere the `util.inspect.custom` symbol, or the `inspect` property). When the string `'symbol'`, only the symbol method will be invoked. Default `true`.
+  - `indent`: must be "\t", `null`, or a positive integer. Default `null`.
+  - `numericSeparator`: must be a boolean, if present. Default `false`. If `true`, all numbers will be printed with numeric separators (eg, `1234.5678` will be printed as `'1_234.567_8'`)
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install object-inspect
+```
+
+# license
+
+MIT
+
+[package-url]: https://npmjs.org/package/object-inspect
+[npm-version-svg]: https://versionbadg.es/inspect-js/object-inspect.svg
+[deps-svg]: https://david-dm.org/inspect-js/object-inspect.svg
+[deps-url]: https://david-dm.org/inspect-js/object-inspect
+[dev-deps-svg]: https://david-dm.org/inspect-js/object-inspect/dev-status.svg
+[dev-deps-url]: https://david-dm.org/inspect-js/object-inspect#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/object-inspect.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/object-inspect.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/object-inspect.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=object-inspect
+[codecov-image]: https://codecov.io/gh/inspect-js/object-inspect/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/object-inspect/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/object-inspect
+[actions-url]: https://github.com/inspect-js/object-inspect/actions
diff --git a/web/public/node_modules/object-inspect/test-core-js.js b/web/public/node_modules/object-inspect/test-core-js.js
new file mode 100644
index 000000000..e53c40022
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test-core-js.js
@@ -0,0 +1,26 @@
+'use strict';
+
+require('core-js');
+
+var inspect = require('./');
+var test = require('tape');
+
+test('Maps', function (t) {
+    t.equal(inspect(new Map([[1, 2]])), 'Map (1) {1 => 2}');
+    t.end();
+});
+
+test('WeakMaps', function (t) {
+    t.equal(inspect(new WeakMap([[{}, 2]])), 'WeakMap { ? }');
+    t.end();
+});
+
+test('Sets', function (t) {
+    t.equal(inspect(new Set([[1, 2]])), 'Set (1) {[ 1, 2 ]}');
+    t.end();
+});
+
+test('WeakSets', function (t) {
+    t.equal(inspect(new WeakSet([[1, 2]])), 'WeakSet { ? }');
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/bigint.js b/web/public/node_modules/object-inspect/test/bigint.js
new file mode 100644
index 000000000..4ecc31df8
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/bigint.js
@@ -0,0 +1,58 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+
+test('bigint', { skip: typeof BigInt === 'undefined' }, function (t) {
+    t.test('primitives', function (st) {
+        st.plan(3);
+
+        st.equal(inspect(BigInt(-256)), '-256n');
+        st.equal(inspect(BigInt(0)), '0n');
+        st.equal(inspect(BigInt(256)), '256n');
+    });
+
+    t.test('objects', function (st) {
+        st.plan(3);
+
+        st.equal(inspect(Object(BigInt(-256))), 'Object(-256n)');
+        st.equal(inspect(Object(BigInt(0))), 'Object(0n)');
+        st.equal(inspect(Object(BigInt(256))), 'Object(256n)');
+    });
+
+    t.test('syntactic primitives', function (st) {
+        st.plan(3);
+
+        /* eslint-disable no-new-func */
+        st.equal(inspect(Function('return -256n')()), '-256n');
+        st.equal(inspect(Function('return 0n')()), '0n');
+        st.equal(inspect(Function('return 256n')()), '256n');
+    });
+
+    t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
+        st.plan(1);
+
+        var faker = {};
+        faker[Symbol.toStringTag] = 'BigInt';
+        st.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'BigInt\' }',
+            'object lying about being a BigInt inspects as an object'
+        );
+    });
+
+    t.test('numericSeparator', function (st) {
+        st.equal(inspect(BigInt(0), { numericSeparator: false }), '0n', '0n, numericSeparator false');
+        st.equal(inspect(BigInt(0), { numericSeparator: true }), '0n', '0n, numericSeparator true');
+
+        st.equal(inspect(BigInt(1234), { numericSeparator: false }), '1234n', '1234n, numericSeparator false');
+        st.equal(inspect(BigInt(1234), { numericSeparator: true }), '1_234n', '1234n, numericSeparator true');
+        st.equal(inspect(BigInt(-1234), { numericSeparator: false }), '-1234n', '1234n, numericSeparator false');
+        st.equal(inspect(BigInt(-1234), { numericSeparator: true }), '-1_234n', '1234n, numericSeparator true');
+
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/browser/dom.js b/web/public/node_modules/object-inspect/test/browser/dom.js
new file mode 100644
index 000000000..210c0b233
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/browser/dom.js
@@ -0,0 +1,15 @@
+var inspect = require('../../');
+var test = require('tape');
+
+test('dom element', function (t) {
+    t.plan(1);
+
+    var d = document.createElement('div');
+    d.setAttribute('id', 'beep');
+    d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+    t.equal(
+        inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]),
+        '[ <div id="beep">...</div>, { a: 3, b: 4, c: [ 5, 6, [ 7, [ 8, [Object] ] ] ] } ]'
+    );
+});
diff --git a/web/public/node_modules/object-inspect/test/circular.js b/web/public/node_modules/object-inspect/test/circular.js
new file mode 100644
index 000000000..5df4233cb
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/circular.js
@@ -0,0 +1,16 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('circular', function (t) {
+    t.plan(2);
+    var obj = { a: 1, b: [3, 4] };
+    obj.c = obj;
+    t.equal(inspect(obj), '{ a: 1, b: [ 3, 4 ], c: [Circular] }');
+
+    var double = {};
+    double.a = [double];
+    double.b = {};
+    double.b.inner = double.b;
+    double.b.obj = double;
+    t.equal(inspect(double), '{ a: [ [Circular] ], b: { inner: [Circular], obj: [Circular] } }');
+});
diff --git a/web/public/node_modules/object-inspect/test/deep.js b/web/public/node_modules/object-inspect/test/deep.js
new file mode 100644
index 000000000..99ce32a08
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/deep.js
@@ -0,0 +1,12 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('deep', function (t) {
+    t.plan(4);
+    var obj = [[[[[[500]]]]]];
+    t.equal(inspect(obj), '[ [ [ [ [ [Array] ] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 4 }), '[ [ [ [ [Array] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 2 }), '[ [ [Array] ] ]');
+
+    t.equal(inspect([[[{ a: 1 }]]], { depth: 3 }), '[ [ [ [Object] ] ] ]');
+});
diff --git a/web/public/node_modules/object-inspect/test/element.js b/web/public/node_modules/object-inspect/test/element.js
new file mode 100644
index 000000000..47fa9e240
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/element.js
@@ -0,0 +1,53 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('element', function (t) {
+    t.plan(3);
+    var elem = {
+        nodeName: 'div',
+        attributes: [{ name: 'class', value: 'row' }],
+        getAttribute: function (key) { return key; },
+        childNodes: []
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div class="row"></div>, 3 ]');
+    t.deepEqual(inspect(obj, { quoteStyle: 'single' }), "[ 1, <div class='row'></div>, 3 ]");
+    t.deepEqual(inspect(obj, { quoteStyle: 'double' }), '[ 1, <div class="row"></div>, 3 ]');
+});
+
+test('element no attr', function (t) {
+    t.plan(1);
+    var elem = {
+        nodeName: 'div',
+        getAttribute: function (key) { return key; },
+        childNodes: []
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div></div>, 3 ]');
+});
+
+test('element with contents', function (t) {
+    t.plan(1);
+    var elem = {
+        nodeName: 'div',
+        getAttribute: function (key) { return key; },
+        childNodes: [{ nodeName: 'b' }]
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div>...</div>, 3 ]');
+});
+
+test('element instance', function (t) {
+    t.plan(1);
+    var h = global.HTMLElement;
+    global.HTMLElement = function (name, attr) {
+        this.nodeName = name;
+        this.attributes = attr;
+    };
+    global.HTMLElement.prototype.getAttribute = function () {};
+
+    var elem = new global.HTMLElement('div', []);
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div></div>, 3 ]');
+    global.HTMLElement = h;
+});
diff --git a/web/public/node_modules/object-inspect/test/err.js b/web/public/node_modules/object-inspect/test/err.js
new file mode 100644
index 000000000..cc1d884ab
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/err.js
@@ -0,0 +1,48 @@
+var test = require('tape');
+var ErrorWithCause = require('error-cause/Error');
+
+var inspect = require('../');
+
+test('type error', function (t) {
+    t.plan(1);
+    var aerr = new TypeError();
+    aerr.foo = 555;
+    aerr.bar = [1, 2, 3];
+
+    var berr = new TypeError('tuv');
+    berr.baz = 555;
+
+    var cerr = new SyntaxError();
+    cerr.message = 'whoa';
+    cerr['a-b'] = 5;
+
+    var withCause = new ErrorWithCause('foo', { cause: 'bar' });
+    var withCausePlus = new ErrorWithCause('foo', { cause: 'bar' });
+    withCausePlus.foo = 'bar';
+    var withUndefinedCause = new ErrorWithCause('foo', { cause: undefined });
+    var withEnumerableCause = new Error('foo');
+    withEnumerableCause.cause = 'bar';
+
+    var obj = [
+        new TypeError(),
+        new TypeError('xxx'),
+        aerr,
+        berr,
+        cerr,
+        withCause,
+        withCausePlus,
+        withUndefinedCause,
+        withEnumerableCause
+    ];
+    t.equal(inspect(obj), '[ ' + [
+        '[TypeError]',
+        '[TypeError: xxx]',
+        '{ [TypeError] foo: 555, bar: [ 1, 2, 3 ] }',
+        '{ [TypeError: tuv] baz: 555 }',
+        '{ [SyntaxError: whoa] message: \'whoa\', \'a-b\': 5 }',
+        'cause' in Error.prototype ? '[Error: foo]' : '{ [Error: foo] [cause]: \'bar\' }',
+        '{ [Error: foo] ' + ('cause' in Error.prototype ? '' : '[cause]: \'bar\', ') + 'foo: \'bar\' }',
+        'cause' in Error.prototype ? '[Error: foo]' : '{ [Error: foo] [cause]: undefined }',
+        '{ [Error: foo] cause: \'bar\' }'
+    ].join(', ') + ' ]');
+});
diff --git a/web/public/node_modules/object-inspect/test/fakes.js b/web/public/node_modules/object-inspect/test/fakes.js
new file mode 100644
index 000000000..a65c08c15
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/fakes.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+var forEach = require('for-each');
+
+test('fakes', { skip: !hasToStringTag }, function (t) {
+    forEach([
+        'Array',
+        'Boolean',
+        'Date',
+        'Error',
+        'Number',
+        'RegExp',
+        'String'
+    ], function (expected) {
+        var faker = {};
+        faker[Symbol.toStringTag] = expected;
+
+        t.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'' + expected + '\' }',
+            'faker masquerading as ' + expected + ' is not shown as one'
+        );
+    });
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/fn.js b/web/public/node_modules/object-inspect/test/fn.js
new file mode 100644
index 000000000..de3ca625e
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/fn.js
@@ -0,0 +1,76 @@
+var inspect = require('../');
+var test = require('tape');
+var arrow = require('make-arrow-function')();
+var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
+
+test('function', function (t) {
+    t.plan(1);
+    var obj = [1, 2, function f(n) { return n; }, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function: f], 4 ]');
+});
+
+test('function name', function (t) {
+    t.plan(1);
+    var f = (function () {
+        return function () {};
+    }());
+    f.toString = function toStr() { return 'function xxx () {}'; };
+    var obj = [1, 2, f, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)] { toString: [Function: toStr] }, 4 ]');
+});
+
+test('anon function', function (t) {
+    var f = (function () {
+        return function () {};
+    }());
+    var obj = [1, 2, f, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)], 4 ]');
+
+    t.end();
+});
+
+test('arrow function', { skip: !arrow }, function (t) {
+    t.equal(inspect(arrow), '[Function (anonymous)]');
+
+    t.end();
+});
+
+test('truly nameless function', { skip: !arrow || !functionsHaveConfigurableNames }, function (t) {
+    function f() {}
+    Object.defineProperty(f, 'name', { value: false });
+    t.equal(f.name, false);
+    t.equal(
+        inspect(f),
+        '[Function: f]',
+        'named function with falsy `.name` does not hide its original name'
+    );
+
+    function g() {}
+    Object.defineProperty(g, 'name', { value: true });
+    t.equal(g.name, true);
+    t.equal(
+        inspect(g),
+        '[Function: true]',
+        'named function with truthy `.name` hides its original name'
+    );
+
+    var anon = function () {}; // eslint-disable-line func-style
+    Object.defineProperty(anon, 'name', { value: null });
+    t.equal(anon.name, null);
+    t.equal(
+        inspect(anon),
+        '[Function (anonymous)]',
+        'anon function with falsy `.name` does not hide its anonymity'
+    );
+
+    var anon2 = function () {}; // eslint-disable-line func-style
+    Object.defineProperty(anon2, 'name', { value: 1 });
+    t.equal(anon2.name, 1);
+    t.equal(
+        inspect(anon2),
+        '[Function: 1]',
+        'anon function with truthy `.name` hides its anonymity'
+    );
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/global.js b/web/public/node_modules/object-inspect/test/global.js
new file mode 100644
index 000000000..c57216aeb
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/global.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var inspect = require('../');
+
+var test = require('tape');
+var globalThis = require('globalthis')();
+
+test('global object', function (t) {
+    /* eslint-env browser */
+    var expected = typeof window === 'undefined' ? 'globalThis' : 'Window';
+    t.equal(
+        inspect([globalThis]),
+        '[ { [object ' + expected + '] } ]'
+    );
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/has.js b/web/public/node_modules/object-inspect/test/has.js
new file mode 100644
index 000000000..01800dee6
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/has.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var mockProperty = require('mock-property');
+
+test('when Object#hasOwnProperty is deleted', function (t) {
+    t.plan(1);
+    var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays
+
+    t.teardown(mockProperty(Array.prototype, 1, { value: 2 })); // this is needed to account for "in" vs "hasOwnProperty"
+    t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
+
+    t.equal(inspect(arr), '[ 1, , 3 ]');
+});
diff --git a/web/public/node_modules/object-inspect/test/holes.js b/web/public/node_modules/object-inspect/test/holes.js
new file mode 100644
index 000000000..87fc8c84a
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/holes.js
@@ -0,0 +1,15 @@
+var test = require('tape');
+var inspect = require('../');
+
+var xs = ['a', 'b'];
+xs[5] = 'f';
+xs[7] = 'j';
+xs[8] = 'k';
+
+test('holes', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(xs),
+        "[ 'a', 'b', , , , 'f', , 'j', 'k' ]"
+    );
+});
diff --git a/web/public/node_modules/object-inspect/test/indent-option.js b/web/public/node_modules/object-inspect/test/indent-option.js
new file mode 100644
index 000000000..89d8fcedf
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/indent-option.js
@@ -0,0 +1,271 @@
+var test = require('tape');
+var forEach = require('for-each');
+
+var inspect = require('../');
+
+test('bad indent options', function (t) {
+    forEach([
+        undefined,
+        true,
+        false,
+        -1,
+        1.2,
+        Infinity,
+        -Infinity,
+        NaN
+    ], function (indent) {
+        t['throws'](
+            function () { inspect('', { indent: indent }); },
+            TypeError,
+            inspect(indent) + ' is invalid'
+        );
+    });
+
+    t.end();
+});
+
+test('simple object with indent', function (t) {
+    t.plan(2);
+
+    var obj = { a: 1, b: 2 };
+
+    var expectedSpaces = [
+        '{',
+        '  a: 1,',
+        '  b: 2',
+        '}'
+    ].join('\n');
+    var expectedTabs = [
+        '{',
+        '	a: 1,',
+        '	b: 2',
+        '}'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('two deep object with indent', function (t) {
+    t.plan(2);
+
+    var obj = { a: 1, b: { c: 3, d: 4 } };
+
+    var expectedSpaces = [
+        '{',
+        '  a: 1,',
+        '  b: {',
+        '    c: 3,',
+        '    d: 4',
+        '  }',
+        '}'
+    ].join('\n');
+    var expectedTabs = [
+        '{',
+        '	a: 1,',
+        '	b: {',
+        '		c: 3,',
+        '		d: 4',
+        '	}',
+        '}'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('simple array with all single line elements', function (t) {
+    t.plan(2);
+
+    var obj = [1, 2, 3, 'asdf\nsdf'];
+
+    var expected = '[ 1, 2, 3, \'asdf\\nsdf\' ]';
+
+    t.equal(inspect(obj, { indent: 2 }), expected, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expected, 'tabs');
+});
+
+test('array with complex elements', function (t) {
+    t.plan(2);
+
+    var obj = [1, { a: 1, b: { c: 1 } }, 'asdf\nsdf'];
+
+    var expectedSpaces = [
+        '[',
+        '  1,',
+        '  {',
+        '    a: 1,',
+        '    b: {',
+        '      c: 1',
+        '    }',
+        '  },',
+        '  \'asdf\\nsdf\'',
+        ']'
+    ].join('\n');
+    var expectedTabs = [
+        '[',
+        '	1,',
+        '	{',
+        '		a: 1,',
+        '		b: {',
+        '			c: 1',
+        '		}',
+        '	},',
+        '	\'asdf\\nsdf\'',
+        ']'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('values', function (t) {
+    t.plan(2);
+    var obj = [{}, [], { 'a-b': 5 }];
+
+    var expectedSpaces = [
+        '[',
+        '  {},',
+        '  [],',
+        '  {',
+        '    \'a-b\': 5',
+        '  }',
+        ']'
+    ].join('\n');
+    var expectedTabs = [
+        '[',
+        '	{},',
+        '	[],',
+        '	{',
+        '		\'a-b\': 5',
+        '	}',
+        ']'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('Map', { skip: typeof Map !== 'function' }, function (t) {
+    var map = new Map();
+    map.set({ a: 1 }, ['b']);
+    map.set(3, NaN);
+
+    var expectedStringSpaces = [
+        'Map (2) {',
+        '  { a: 1 } => [ \'b\' ],',
+        '  3 => NaN',
+        '}'
+    ].join('\n');
+    var expectedStringTabs = [
+        'Map (2) {',
+        '	{ a: 1 } => [ \'b\' ],',
+        '	3 => NaN',
+        '}'
+    ].join('\n');
+    var expectedStringTabsDoubleQuotes = [
+        'Map (2) {',
+        '	{ a: 1 } => [ "b" ],',
+        '	3 => NaN',
+        '}'
+    ].join('\n');
+
+    t.equal(
+        inspect(map, { indent: 2 }),
+        expectedStringSpaces,
+        'Map keys are not indented (two)'
+    );
+    t.equal(
+        inspect(map, { indent: '\t' }),
+        expectedStringTabs,
+        'Map keys are not indented (tabs)'
+    );
+    t.equal(
+        inspect(map, { indent: '\t', quoteStyle: 'double' }),
+        expectedStringTabsDoubleQuotes,
+        'Map keys are not indented (tabs + double quotes)'
+    );
+
+    t.equal(inspect(new Map(), { indent: 2 }), 'Map (0) {}', 'empty Map should show as empty (two)');
+    t.equal(inspect(new Map(), { indent: '\t' }), 'Map (0) {}', 'empty Map should show as empty (tabs)');
+
+    var nestedMap = new Map();
+    nestedMap.set(nestedMap, map);
+    var expectedNestedSpaces = [
+        'Map (1) {',
+        '  [Circular] => Map (2) {',
+        '    { a: 1 } => [ \'b\' ],',
+        '    3 => NaN',
+        '  }',
+        '}'
+    ].join('\n');
+    var expectedNestedTabs = [
+        'Map (1) {',
+        '	[Circular] => Map (2) {',
+        '		{ a: 1 } => [ \'b\' ],',
+        '		3 => NaN',
+        '	}',
+        '}'
+    ].join('\n');
+    t.equal(inspect(nestedMap, { indent: 2 }), expectedNestedSpaces, 'Map containing a Map should work (two)');
+    t.equal(inspect(nestedMap, { indent: '\t' }), expectedNestedTabs, 'Map containing a Map should work (tabs)');
+
+    t.end();
+});
+
+test('Set', { skip: typeof Set !== 'function' }, function (t) {
+    var set = new Set();
+    set.add({ a: 1 });
+    set.add(['b']);
+    var expectedStringSpaces = [
+        'Set (2) {',
+        '  {',
+        '    a: 1',
+        '  },',
+        '  [ \'b\' ]',
+        '}'
+    ].join('\n');
+    var expectedStringTabs = [
+        'Set (2) {',
+        '	{',
+        '		a: 1',
+        '	},',
+        '	[ \'b\' ]',
+        '}'
+    ].join('\n');
+    t.equal(inspect(set, { indent: 2 }), expectedStringSpaces, 'new Set([{ a: 1 }, ["b"]]) should show size and contents (two)');
+    t.equal(inspect(set, { indent: '\t' }), expectedStringTabs, 'new Set([{ a: 1 }, ["b"]]) should show size and contents (tabs)');
+
+    t.equal(inspect(new Set(), { indent: 2 }), 'Set (0) {}', 'empty Set should show as empty (two)');
+    t.equal(inspect(new Set(), { indent: '\t' }), 'Set (0) {}', 'empty Set should show as empty (tabs)');
+
+    var nestedSet = new Set();
+    nestedSet.add(set);
+    nestedSet.add(nestedSet);
+    var expectedNestedSpaces = [
+        'Set (2) {',
+        '  Set (2) {',
+        '    {',
+        '      a: 1',
+        '    },',
+        '    [ \'b\' ]',
+        '  },',
+        '  [Circular]',
+        '}'
+    ].join('\n');
+    var expectedNestedTabs = [
+        'Set (2) {',
+        '	Set (2) {',
+        '		{',
+        '			a: 1',
+        '		},',
+        '		[ \'b\' ]',
+        '	},',
+        '	[Circular]',
+        '}'
+    ].join('\n');
+    t.equal(inspect(nestedSet, { indent: 2 }), expectedNestedSpaces, 'Set containing a Set should work (two)');
+    t.equal(inspect(nestedSet, { indent: '\t' }), expectedNestedTabs, 'Set containing a Set should work (tabs)');
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/inspect.js b/web/public/node_modules/object-inspect/test/inspect.js
new file mode 100644
index 000000000..1abf81b1f
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/inspect.js
@@ -0,0 +1,139 @@
+var test = require('tape');
+var hasSymbols = require('has-symbols/shams')();
+var utilInspect = require('../util.inspect');
+var repeat = require('string.prototype.repeat');
+
+var inspect = require('..');
+
+test('inspect', function (t) {
+    t.plan(5);
+
+    var obj = [{ inspect: function xyzInspect() { return '!XYZ¡'; } }, []];
+    var stringResult = '[ !XYZ¡, [] ]';
+    var falseResult = '[ { inspect: [Function: xyzInspect] }, [] ]';
+
+    t.equal(inspect(obj), stringResult);
+    t.equal(inspect(obj, { customInspect: true }), stringResult);
+    t.equal(inspect(obj, { customInspect: 'symbol' }), falseResult);
+    t.equal(inspect(obj, { customInspect: false }), falseResult);
+    t['throws'](
+        function () { inspect(obj, { customInspect: 'not a boolean or "symbol"' }); },
+        TypeError,
+        '`customInspect` must be a boolean or the string "symbol"'
+    );
+});
+
+test('inspect custom symbol', { skip: !hasSymbols || !utilInspect || !utilInspect.custom }, function (t) {
+    t.plan(4);
+
+    var obj = { inspect: function stringInspect() { return 'string'; } };
+    obj[utilInspect.custom] = function custom() { return 'symbol'; };
+
+    var symbolResult = '[ symbol, [] ]';
+    var stringResult = '[ string, [] ]';
+    var falseResult = '[ { inspect: [Function: stringInspect]' + (utilInspect.custom ? ', [' + inspect(utilInspect.custom) + ']: [Function: custom]' : '') + ' }, [] ]';
+
+    var symbolStringFallback = utilInspect.custom ? symbolResult : stringResult;
+    var symbolFalseFallback = utilInspect.custom ? symbolResult : falseResult;
+
+    t.equal(inspect([obj, []]), symbolStringFallback);
+    t.equal(inspect([obj, []], { customInspect: true }), symbolStringFallback);
+    t.equal(inspect([obj, []], { customInspect: 'symbol' }), symbolFalseFallback);
+    t.equal(inspect([obj, []], { customInspect: false }), falseResult);
+});
+
+test('symbols', { skip: !hasSymbols }, function (t) {
+    t.plan(2);
+
+    var obj = { a: 1 };
+    obj[Symbol('test')] = 2;
+    obj[Symbol.iterator] = 3;
+    Object.defineProperty(obj, Symbol('non-enum'), {
+        enumerable: false,
+        value: 4
+    });
+
+    if (typeof Symbol.iterator === 'symbol') {
+        t.equal(inspect(obj), '{ a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }', 'object with symbols');
+        t.equal(inspect([obj, []]), '[ { a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }, [] ]', 'object with symbols in array');
+    } else {
+        // symbol sham key ordering is unreliable
+        t.match(
+            inspect(obj),
+            /^(?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 })$/,
+            'object with symbols (nondeterministic symbol sham key ordering)'
+        );
+        t.match(
+            inspect([obj, []]),
+            /^\[ (?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 }), \[\] \]$/,
+            'object with symbols in array (nondeterministic symbol sham key ordering)'
+        );
+    }
+});
+
+test('maxStringLength', function (t) {
+    t['throws'](
+        function () { inspect('', { maxStringLength: -1 }); },
+        TypeError,
+        'maxStringLength must be >= 0, or Infinity, not negative'
+    );
+
+    var str = repeat('a', 1e8);
+
+    t.equal(
+        inspect([str], { maxStringLength: 10 }),
+        '[ \'aaaaaaaaaa\'... 99999990 more characters ]',
+        'maxStringLength option limits output'
+    );
+
+    t.equal(
+        inspect(['f'], { maxStringLength: null }),
+        '[ \'\'... 1 more character ]',
+        'maxStringLength option accepts `null`'
+    );
+
+    t.equal(
+        inspect([str], { maxStringLength: Infinity }),
+        '[ \'' + str + '\' ]',
+        'maxStringLength option accepts ∞'
+    );
+
+    t.end();
+});
+
+test('inspect options', { skip: !utilInspect.custom }, function (t) {
+    var obj = {};
+    obj[utilInspect.custom] = function () {
+        return JSON.stringify(arguments);
+    };
+    t.equal(
+        inspect(obj),
+        utilInspect(obj, { depth: 5 }),
+        'custom symbols will use node\'s inspect'
+    );
+    t.equal(
+        inspect(obj, { depth: 2 }),
+        utilInspect(obj, { depth: 2 }),
+        'a reduced depth will be passed to node\'s inspect'
+    );
+    t.equal(
+        inspect({ d1: obj }, { depth: 3 }),
+        '{ d1: ' + utilInspect(obj, { depth: 2 }) + ' }',
+        'deep objects will receive a reduced depth'
+    );
+    t.equal(
+        inspect({ d1: obj }, { depth: 1 }),
+        '{ d1: [Object] }',
+        'unlike nodejs inspect, customInspect will not be used once the depth is exceeded.'
+    );
+    t.end();
+});
+
+test('inspect URL', { skip: typeof URL === 'undefined' }, function (t) {
+    t.match(
+        inspect(new URL('https://nodejs.org')),
+        /nodejs\.org/, // Different environments stringify it differently
+        'url can be inspected'
+    );
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/lowbyte.js b/web/public/node_modules/object-inspect/test/lowbyte.js
new file mode 100644
index 000000000..68a345d85
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/lowbyte.js
@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { x: 'a\r\nb', y: '\x05! \x1f \x12' };
+
+test('interpolate low bytes', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        "{ x: 'a\\r\\nb', y: '\\x05! \\x1F \\x12' }"
+    );
+});
diff --git a/web/public/node_modules/object-inspect/test/number.js b/web/public/node_modules/object-inspect/test/number.js
new file mode 100644
index 000000000..8f287e8e2
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/number.js
@@ -0,0 +1,58 @@
+var test = require('tape');
+var v = require('es-value-fixtures');
+var forEach = require('for-each');
+
+var inspect = require('../');
+
+test('negative zero', function (t) {
+    t.equal(inspect(0), '0', 'inspect(0) === "0"');
+    t.equal(inspect(Object(0)), 'Object(0)', 'inspect(Object(0)) === "Object(0)"');
+
+    t.equal(inspect(-0), '-0', 'inspect(-0) === "-0"');
+    t.equal(inspect(Object(-0)), 'Object(-0)', 'inspect(Object(-0)) === "Object(-0)"');
+
+    t.end();
+});
+
+test('numericSeparator', function (t) {
+    forEach(v.nonBooleans, function (nonBoolean) {
+        t['throws'](
+            function () { inspect(true, { numericSeparator: nonBoolean }); },
+            TypeError,
+            inspect(nonBoolean) + ' is not a boolean'
+        );
+    });
+
+    t.test('3 digit numbers', function (st) {
+        var failed = false;
+        for (var i = -999; i < 1000; i += 1) {
+            var actual = inspect(i);
+            var actualSepNo = inspect(i, { numericSeparator: false });
+            var actualSepYes = inspect(i, { numericSeparator: true });
+            var expected = String(i);
+            if (actual !== expected || actualSepNo !== expected || actualSepYes !== expected) {
+                failed = true;
+                t.equal(actual, expected);
+                t.equal(actualSepNo, expected);
+                t.equal(actualSepYes, expected);
+            }
+        }
+
+        st.notOk(failed, 'all 3 digit numbers passed');
+
+        st.end();
+    });
+
+    t.equal(inspect(1e3), '1000', '1000');
+    t.equal(inspect(1e3, { numericSeparator: false }), '1000', '1000, numericSeparator false');
+    t.equal(inspect(1e3, { numericSeparator: true }), '1_000', '1000, numericSeparator true');
+    t.equal(inspect(-1e3), '-1000', '-1000');
+    t.equal(inspect(-1e3, { numericSeparator: false }), '-1000', '-1000, numericSeparator false');
+    t.equal(inspect(-1e3, { numericSeparator: true }), '-1_000', '-1000, numericSeparator true');
+
+    t.equal(inspect(1234.5678, { numericSeparator: true }), '1_234.567_8', 'fractional numbers get separators');
+    t.equal(inspect(1234.56789, { numericSeparator: true }), '1_234.567_89', 'fractional numbers get separators');
+    t.equal(inspect(1234.567891, { numericSeparator: true }), '1_234.567_891', 'fractional numbers get separators');
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/quoteStyle.js b/web/public/node_modules/object-inspect/test/quoteStyle.js
new file mode 100644
index 000000000..ae4d734bf
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/quoteStyle.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+
+test('quoteStyle option', function (t) {
+    t['throws'](function () { inspect(null, { quoteStyle: false }); }, 'false is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: true }); }, 'true is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: '' }); }, '"" is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: {} }); }, '{} is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: [] }); }, '[] is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: 42 }); }, '42 is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: NaN }); }, 'NaN is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: function () {} }); }, 'a function is not a valid value');
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/test/toStringTag.js b/web/public/node_modules/object-inspect/test/toStringTag.js
new file mode 100644
index 000000000..95f82703d
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/toStringTag.js
@@ -0,0 +1,40 @@
+'use strict';
+
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+
+var inspect = require('../');
+
+test('Symbol.toStringTag', { skip: !hasToStringTag }, function (t) {
+    t.plan(4);
+
+    var obj = { a: 1 };
+    t.equal(inspect(obj), '{ a: 1 }', 'object, no Symbol.toStringTag');
+
+    obj[Symbol.toStringTag] = 'foo';
+    t.equal(inspect(obj), '{ a: 1, [Symbol(Symbol.toStringTag)]: \'foo\' }', 'object with Symbol.toStringTag');
+
+    t.test('null objects', { skip: 'toString' in { __proto__: null } }, function (st) {
+        st.plan(2);
+
+        var dict = { __proto__: null, a: 1 };
+        st.equal(inspect(dict), '[Object: null prototype] { a: 1 }', 'null object with Symbol.toStringTag');
+
+        dict[Symbol.toStringTag] = 'Dict';
+        st.equal(inspect(dict), '[Dict: null prototype] { a: 1, [Symbol(Symbol.toStringTag)]: \'Dict\' }', 'null object with Symbol.toStringTag');
+    });
+
+    t.test('instances', function (st) {
+        st.plan(4);
+
+        function C() {
+            this.a = 1;
+        }
+        st.equal(Object.prototype.toString.call(new C()), '[object Object]', 'instance, no toStringTag, Object.prototype.toString');
+        st.equal(inspect(new C()), 'C { a: 1 }', 'instance, no toStringTag');
+
+        C.prototype[Symbol.toStringTag] = 'Class!';
+        st.equal(Object.prototype.toString.call(new C()), '[object Class!]', 'instance, with toStringTag, Object.prototype.toString');
+        st.equal(inspect(new C()), 'C [Class!] { a: 1 }', 'instance, with toStringTag');
+    });
+});
diff --git a/web/public/node_modules/object-inspect/test/undef.js b/web/public/node_modules/object-inspect/test/undef.js
new file mode 100644
index 000000000..e3f496122
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/undef.js
@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { a: 1, b: [3, 4, undefined, null], c: undefined, d: null };
+
+test('undef and null', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        '{ a: 1, b: [ 3, 4, undefined, null ], c: undefined, d: null }'
+    );
+});
diff --git a/web/public/node_modules/object-inspect/test/values.js b/web/public/node_modules/object-inspect/test/values.js
new file mode 100644
index 000000000..4832b9fe9
--- /dev/null
+++ b/web/public/node_modules/object-inspect/test/values.js
@@ -0,0 +1,211 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var mockProperty = require('mock-property');
+var hasSymbols = require('has-symbols/shams')();
+var hasToStringTag = require('has-tostringtag/shams')();
+
+test('values', function (t) {
+    t.plan(1);
+    var obj = [{}, [], { 'a-b': 5 }];
+    t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]');
+});
+
+test('arrays with properties', function (t) {
+    t.plan(1);
+    var arr = [3];
+    arr.foo = 'bar';
+    var obj = [1, 2, arr];
+    obj.baz = 'quux';
+    obj.index = -1;
+    t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]');
+});
+
+test('has', function (t) {
+    t.plan(1);
+    t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
+
+    t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
+});
+
+test('indexOf seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3, {}];
+    xs.push(xs);
+
+    var seen = [];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[ 1, 2, 3, {}, [Circular] ]'
+    );
+});
+
+test('seen seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3];
+
+    var seen = [xs];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[Circular]'
+    );
+});
+
+test('seen seen seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3];
+
+    var seen = [5, xs];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[Circular]'
+    );
+});
+
+test('symbols', { skip: !hasSymbols }, function (t) {
+    var sym = Symbol('foo');
+    t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"');
+    if (typeof sym === 'symbol') {
+        // Symbol shams are incapable of differentiating boxed from unboxed symbols
+        t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"');
+    }
+
+    t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
+        st.plan(1);
+
+        var faker = {};
+        faker[Symbol.toStringTag] = 'Symbol';
+        st.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'Symbol\' }',
+            'object lying about being a Symbol inspects as an object'
+        );
+    });
+
+    t.end();
+});
+
+test('Map', { skip: typeof Map !== 'function' }, function (t) {
+    var map = new Map();
+    map.set({ a: 1 }, ['b']);
+    map.set(3, NaN);
+    var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}';
+    t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents');
+    t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty');
+
+    var nestedMap = new Map();
+    nestedMap.set(nestedMap, map);
+    t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work');
+
+    t.end();
+});
+
+test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) {
+    var map = new WeakMap();
+    map.set({ a: 1 }, ['b']);
+    var expectedString = 'WeakMap { ? }';
+    t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents');
+    t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty');
+
+    t.end();
+});
+
+test('Set', { skip: typeof Set !== 'function' }, function (t) {
+    var set = new Set();
+    set.add({ a: 1 });
+    set.add(['b']);
+    var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}';
+    t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents');
+    t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty');
+
+    var nestedSet = new Set();
+    nestedSet.add(set);
+    nestedSet.add(nestedSet);
+    t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work');
+
+    t.end();
+});
+
+test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) {
+    var map = new WeakSet();
+    map.add({ a: 1 });
+    var expectedString = 'WeakSet { ? }';
+    t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents');
+    t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty');
+
+    t.end();
+});
+
+test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) {
+    var ref = new WeakRef({ a: 1 });
+    var expectedString = 'WeakRef { ? }';
+    t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents');
+
+    t.end();
+});
+
+test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) {
+    var registry = new FinalizationRegistry(function () {});
+    var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}';
+    t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys');
+
+    t.end();
+});
+
+test('Strings', function (t) {
+    var str = 'abc';
+
+    t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such');
+    t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted');
+    t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted');
+    t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such');
+    t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted');
+    t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted');
+
+    t.end();
+});
+
+test('Numbers', function (t) {
+    var num = 42;
+
+    t.equal(inspect(num), String(num), 'primitive number shows as such');
+    t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such');
+
+    t.end();
+});
+
+test('Booleans', function (t) {
+    t.equal(inspect(true), String(true), 'primitive true shows as such');
+    t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such');
+
+    t.equal(inspect(false), String(false), 'primitive false shows as such');
+    t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such');
+
+    t.end();
+});
+
+test('Date', function (t) {
+    var now = new Date();
+    t.equal(inspect(now), String(now), 'Date shows properly');
+    t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly');
+
+    t.end();
+});
+
+test('RegExps', function (t) {
+    t.equal(inspect(/a/g), '/a/g', 'regex shows properly');
+    t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly');
+
+    var match = 'abc abc'.match(/[ab]+/);
+    delete match.groups; // for node < 10
+    t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly');
+
+    t.end();
+});
diff --git a/web/public/node_modules/object-inspect/util.inspect.js b/web/public/node_modules/object-inspect/util.inspect.js
new file mode 100644
index 000000000..7784fab55
--- /dev/null
+++ b/web/public/node_modules/object-inspect/util.inspect.js
@@ -0,0 +1 @@
+module.exports = require('util').inspect;
diff --git a/web/public/node_modules/opener/LICENSE.txt b/web/public/node_modules/opener/LICENSE.txt
new file mode 100644
index 000000000..f74bd1310
--- /dev/null
+++ b/web/public/node_modules/opener/LICENSE.txt
@@ -0,0 +1,47 @@
+Dual licensed under WTFPL and MIT:
+
+---
+
+Copyright © 2012–2020 Domenic Denicola <d@domenic.me>
+
+This work is free. You can redistribute it and/or modify it under the
+terms of the Do What The Fuck You Want To Public License, Version 2,
+as published by Sam Hocevar. See below for more details.
+
+        DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+
+---
+
+The MIT License (MIT)
+
+Copyright © 2012–2020 Domenic Denicola <d@domenic.me>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/opener/README.md b/web/public/node_modules/opener/README.md
new file mode 100644
index 000000000..51cc1a28c
--- /dev/null
+++ b/web/public/node_modules/opener/README.md
@@ -0,0 +1,54 @@
+# It Opens Stuff
+
+That is, in your desktop environment. This will make *actual windows pop up*, with stuff in them:
+
+```bash
+npm install opener -g
+
+opener http://google.com
+opener ./my-file.txt
+opener firefox
+opener npm run lint
+```
+
+Also if you want to use it programmatically you can do that too:
+
+```js
+var opener = require("opener");
+
+opener("http://google.com");
+opener("./my-file.txt");
+opener("firefox");
+opener("npm run lint");
+```
+
+Plus, it returns the child process created, so you can do things like let your script exit while the window stays open:
+
+```js
+var editor = opener("documentation.odt");
+editor.unref();
+// These other unrefs may be necessary if your OS's opener process
+// exits before the process it started is complete.
+editor.stdin.unref();
+editor.stdout.unref();
+editor.stderr.unref();
+```
+
+## Use It for Good
+
+Like opening the user's browser with a test harness in your package's test script:
+
+```json
+{
+    "scripts": {
+        "test": "opener ./test/runner.html"
+    },
+    "devDependencies": {
+        "opener": "*"
+    }
+}
+```
+
+## Why
+
+Because Windows has `start`, Macs have `open`, and *nix has `xdg-open`. At least [according to some person on StackOverflow](http://stackoverflow.com/q/1480971/3191). And I like things that work on all three. Like Node.js. And Opener.
diff --git a/web/public/node_modules/opener/bin/opener-bin.js b/web/public/node_modules/opener/bin/opener-bin.js
new file mode 100644
index 000000000..a051ea8f0
--- /dev/null
+++ b/web/public/node_modules/opener/bin/opener-bin.js
@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+"use strict";
+
+var opener = require("..");
+
+opener(process.argv.slice(2), function (error) {
+    if (error) {
+        throw error;
+    }
+});
diff --git a/web/public/node_modules/opener/lib/opener.js b/web/public/node_modules/opener/lib/opener.js
new file mode 100644
index 000000000..08888c6bb
--- /dev/null
+++ b/web/public/node_modules/opener/lib/opener.js
@@ -0,0 +1,66 @@
+"use strict";
+var childProcess = require("child_process");
+var os = require("os");
+
+module.exports = function opener(args, options, callback) {
+    var platform = process.platform;
+
+    // Attempt to detect Windows Subystem for Linux (WSL). WSL  itself as Linux (which works in most cases), but in
+    // this specific case we need to treat it as actually being Windows. The "Windows-way" of opening things through
+    // cmd.exe works just fine here, whereas using xdg-open does not, since there is no X Windows in WSL.
+    if (platform === "linux" && os.release().indexOf("Microsoft") !== -1) {
+        platform = "win32";
+    }
+
+    // http://stackoverflow.com/q/1480971/3191, but see below for Windows.
+    var command;
+    switch (platform) {
+        case "win32": {
+            command = "cmd.exe";
+            break;
+        }
+        case "darwin": {
+            command = "open";
+            break;
+        }
+        default: {
+            command = "xdg-open";
+            break;
+        }
+    }
+
+    if (typeof args === "string") {
+        args = [args];
+    }
+
+    if (typeof options === "function") {
+        callback = options;
+        options = {};
+    }
+
+    if (options && typeof options === "object" && options.command) {
+        if (platform === "win32") {
+            // *always* use cmd on windows
+            args = [options.command].concat(args);
+        } else {
+            command = options.command;
+        }
+    }
+
+    if (platform === "win32") {
+        // On Windows, we really want to use the "start" command. But, the rules regarding arguments with spaces, and
+        // escaping them with quotes, can get really arcane. So the easiest way to deal with this is to pass off the
+        // responsibility to "cmd /c", which has that logic built in.
+        //
+        // Furthermore, if "cmd /c" double-quoted the first parameter, then "start" will interpret it as a window title,
+        // so we need to add a dummy empty-string window title: http://stackoverflow.com/a/154090/3191
+        //
+        // Additionally, on Windows ampersand and caret need to be escaped when passed to "start"
+        args = args.map(function (value) {
+            return value.replace(/[&^]/g, "^$&");
+        });
+        args = ["/c", "start", "\"\""].concat(args);
+    }
+
+    return childProcess.execFile(command, args, options, callback);
+};
diff --git a/web/public/node_modules/opener/package.json b/web/public/node_modules/opener/package.json
new file mode 100644
index 000000000..0af377d15
--- /dev/null
+++ b/web/public/node_modules/opener/package.json
@@ -0,0 +1,20 @@
+{
+    "name": "opener",
+    "description": "Opens stuff, like webpages and files and executables, cross-platform",
+    "version": "1.5.2",
+    "author": "Domenic Denicola <d@domenic.me> (https://domenic.me/)",
+    "license": "(WTFPL OR MIT)",
+    "repository": "domenic/opener",
+    "main": "lib/opener.js",
+    "bin": "bin/opener-bin.js",
+    "files": [
+        "lib/",
+        "bin/"
+    ],
+    "scripts": {
+        "lint": "eslint ."
+    },
+    "devDependencies": {
+        "eslint": "^7.7.0"
+    }
+}
diff --git a/web/public/node_modules/portfinder/LICENSE b/web/public/node_modules/portfinder/LICENSE
new file mode 100644
index 000000000..d26f4a2b7
--- /dev/null
+++ b/web/public/node_modules/portfinder/LICENSE
@@ -0,0 +1,22 @@
+node-portfinder
+
+Copyright (c) 2012 Charlie Robbins
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/web/public/node_modules/portfinder/README.md b/web/public/node_modules/portfinder/README.md
new file mode 100644
index 000000000..a6a9d8d84
--- /dev/null
+++ b/web/public/node_modules/portfinder/README.md
@@ -0,0 +1,73 @@
+# node-portfinder [![CI](https://github.com/http-party/node-portfinder/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/http-party/node-portfinder/actions/workflows/ci.yml)
+
+## Installation
+
+``` bash
+  $ npm install portfinder
+```
+
+## Usage
+The `portfinder` module has a simple interface:
+
+``` js
+  var portfinder = require('portfinder');
+
+  portfinder.getPort(function (err, port) {
+    //
+    // `port` is guaranteed to be a free port
+    // in this scope.
+    //
+  });
+```
+
+Or with promise (if `Promise`s are supported) :
+
+``` js
+  const portfinder = require('portfinder');
+
+  portfinder.getPortPromise()
+    .then((port) => {
+        //
+        // `port` is guaranteed to be a free port
+        // in this scope.
+        //
+    })
+    .catch((err) => {
+        //
+        // Could not get a free port, `err` contains the reason.
+        //
+    });
+```
+
+If `portfinder.getPortPromise()` is called on a Node version without Promise (<4), it will throw an Error unless [Bluebird](http://bluebirdjs.com/docs/getting-started.html) or any Promise pollyfill is used.
+
+### Ports search scope
+
+By default `portfinder` will start searching from `8000` and scan until maximum port number (`65535`) is reached.
+
+You can change this globally by setting:
+
+```js
+portfinder.setBasePort(3000);    // default: 8000
+portfinder.setHighestPort(3333); // default: 65535
+```
+
+or by passing optional options object on each invocation:
+
+```js
+portfinder.getPort({
+    port: 3000,    // minimum port
+    stopPort: 3333 // maximum port
+}, callback);
+```
+
+## Run Tests
+``` bash
+  $ npm test
+```
+
+#### Author: [Charlie Robbins][0]
+#### Author/Maintainer: [Erik Trom][1]
+#### License: MIT/X11
+[0]: http://nodejitsu.com
+[1]: https://github.com/eriktrom
diff --git a/web/public/node_modules/portfinder/lib/portfinder.d.ts b/web/public/node_modules/portfinder/lib/portfinder.d.ts
new file mode 100644
index 000000000..a57b999a8
--- /dev/null
+++ b/web/public/node_modules/portfinder/lib/portfinder.d.ts
@@ -0,0 +1,62 @@
+/**
+ * portfinder.js typescript definitions.
+ *
+ * (C) 2011, Charlie Robbins
+ */
+
+type PortfinderCallback = (err: Error, port: number) => void;
+
+interface PortFinderOptions {
+  /**
+   * Host to find available port on.
+   */
+  host?: string;
+  /**
+   * search start port (equals to port when not provided)
+   * This exists because getPort and getPortPromise mutates port state in
+   * recursive calls and doesn't have a way to retrieve begininng port while
+   * searching.
+   */
+  startPort?: number;
+  /**
+   * Minimum port (takes precedence over `basePort`).
+   */
+  port?: number;
+  /**
+   * Maximum port
+   */
+  stopPort?: number;
+}
+
+/**
+ * The lowest port to begin any port search from.
+ */
+export let basePort: number;
+
+/**
+ * Set the lowest port to begin any port search from.
+ */
+export function setBasePort(port: number): void;
+
+/**
+ * The highest port to end any port search from.
+ */
+export let highestPort: number;
+
+/**
+ * Set the higheset port to end any port search from.
+ */
+export function setHighestPort(port: number): void;
+
+/**
+ * Responds with a unbound port on the current machine.
+ */
+export function getPort(callback: PortfinderCallback): void;
+export function getPort(options: PortFinderOptions, callback: PortfinderCallback): void;
+
+export function getPorts(count: number, options: PortFinderOptions, callback: (err: Error, ports: Array<number>) => void): void;
+
+/**
+ * Responds a promise of an unbound port on the current machine.
+ */
+export function getPortPromise(options?: PortFinderOptions): Promise<number>;
diff --git a/web/public/node_modules/portfinder/lib/portfinder.js b/web/public/node_modules/portfinder/lib/portfinder.js
new file mode 100644
index 000000000..2bc65e242
--- /dev/null
+++ b/web/public/node_modules/portfinder/lib/portfinder.js
@@ -0,0 +1,503 @@
+/*
+ * portfinder.js: A simple tool to find an open port on the current machine.
+ *
+ * (C) 2011, Charlie Robbins
+ *
+ */
+
+"use strict";
+
+var fs = require('fs'),
+    os = require('os'),
+    net = require('net'),
+    path = require('path'),
+    _async = require('async'),
+    debug = require('debug'),
+    mkdirp = require('mkdirp').mkdirp;
+
+var debugTestPort = debug('portfinder:testPort'),
+    debugGetPort = debug('portfinder:getPort'),
+    debugDefaultHosts = debug('portfinder:defaultHosts');
+
+var internals = {};
+
+internals.testPort = function(options, callback) {
+  if (!callback) {
+    callback = options;
+    options = {};
+  }
+
+  options.server = options.server  || net.createServer(function () {
+    //
+    // Create an empty listener for the port testing server.
+    //
+  });
+
+  debugTestPort("entered testPort(): trying", options.host, "port", options.port);
+
+  function onListen () {
+    debugTestPort("done w/ testPort(): OK", options.host, "port", options.port);
+
+    options.server.removeListener('error', onError);
+    options.server.close();
+    callback(null, options.port);
+  }
+
+  function onError (err) {
+    debugTestPort("done w/ testPort(): failed", options.host, "w/ port", options.port, "with error", err.code);
+
+    options.server.removeListener('listening', onListen);
+
+    if (!(err.code == 'EADDRINUSE' || err.code == 'EACCES')) {
+      return callback(err);
+    }
+
+    var nextPort = exports.nextPort(options.port);
+
+    if (nextPort > exports.highestPort) {
+      return callback(new Error('No open ports available'));
+    }
+
+    internals.testPort({
+      port: nextPort,
+      host: options.host,
+      server: options.server
+    }, callback);
+  }
+
+  options.server.once('error', onError);
+  options.server.once('listening', onListen);
+
+  if (options.host) {
+    options.server.listen(options.port, options.host);
+  } else {
+    /*
+      Judgement of service without host
+      example:
+        express().listen(options.port)
+    */
+    options.server.listen(options.port);
+  }
+};
+
+//
+// ### @basePort {Number}
+// The lowest port to begin any port search from
+//
+exports.basePort = 8000;
+
+//
+// ### function setBasePort (port)
+// #### @port {Number} The new base port
+//
+exports.setBasePort = function (port) {
+  exports.basePort = port;
+}
+
+//
+// ### @highestPort {Number}
+// Largest port number is an unsigned short 2**16 -1=65335
+//
+exports.highestPort = 65535;
+
+//
+// ### function setHighestPort (port)
+// #### @port {Number} The new highest port
+//
+exports.setHighestPort = function (port) {
+  exports.highestPort = port;
+}
+
+//
+// ### @basePath {string}
+// Default path to begin any socket search from
+//
+exports.basePath = '/tmp/portfinder'
+
+//
+// ### function getPort (options, callback)
+// #### @options {Object} Settings to use when finding the necessary port
+// #### @callback {function} Continuation to respond to when complete.
+// Responds with a unbound port on the current machine.
+//
+exports.getPort = function (options, callback) {
+  if (!callback) {
+    callback = options;
+    options = {};
+
+  }
+
+  options.port   = Number(options.port) || Number(exports.basePort);
+  options.host   = options.host    || null;
+  options.stopPort = Number(options.stopPort) || Number(exports.highestPort);
+
+  if(!options.startPort) {
+    options.startPort = Number(options.port);
+    if(options.startPort < 0) {
+      throw Error('Provided options.startPort(' + options.startPort + ') is less than 0, which are cannot be bound.');
+    }
+    if(options.stopPort < options.startPort) {
+      throw Error('Provided options.stopPort(' + options.stopPort + 'is less than options.startPort (' + options.startPort + ')');
+    }
+  }
+
+  if (options.host) {
+    if (exports._defaultHosts.indexOf(options.host) !== -1) {
+      exports._defaultHosts.push(options.host)
+    }
+  }
+
+  var openPorts = [], currentHost;
+  return _async.eachSeries(exports._defaultHosts, function(host, next) {
+    debugGetPort("in eachSeries() iteration callback: host is", host);
+
+    return internals.testPort({ host: host, port: options.port }, function(err, port) {
+      if (err) {
+        debugGetPort("in eachSeries() iteration callback testPort() callback", "with an err:", err.code);
+        currentHost = host;
+        return next(err);
+      } else {
+        debugGetPort("in eachSeries() iteration callback testPort() callback",
+                    "with a success for port", port);
+        openPorts.push(port);
+        return next();
+      }
+    });
+  }, function(err) {
+
+    if (err) {
+      debugGetPort("in eachSeries() result callback: err is", err);
+      // If we get EADDRNOTAVAIL it means the host is not bindable, so remove it
+      // from exports._defaultHosts and start over. For ubuntu, we use EINVAL for the same
+      if (err.code === 'EADDRNOTAVAIL' || err.code === 'EINVAL') {
+        if (options.host === currentHost) {
+          // if bad address matches host given by user, tell them
+          //
+          // NOTE: We may need to one day handle `my-non-existent-host.local` if users
+          // report frustration with passing in hostnames that DONT map to bindable
+          // hosts, without showing them a good error.
+          var msg = 'Provided host ' + options.host + ' could NOT be bound. Please provide a different host address or hostname';
+          return callback(Error(msg));
+        } else {
+          var idx = exports._defaultHosts.indexOf(currentHost);
+          exports._defaultHosts.splice(idx, 1);
+          return exports.getPort(options, callback);
+        }
+      } else {
+        // error is not accounted for, file ticket, handle special case
+        return callback(err);
+      }
+    }
+
+    // sort so we can compare first host to last host
+    openPorts.sort(function(a, b) {
+      return a - b;
+    });
+
+    debugGetPort("in eachSeries() result callback: openPorts is", openPorts);
+
+    if (openPorts[0] === openPorts[openPorts.length-1]) {
+      // if first === last, we found an open port
+      if(openPorts[0] <= options.stopPort) {
+        return callback(null, openPorts[0]);
+      }
+      else {
+        var msg = 'No open ports found in between '+ options.startPort + ' and ' + options.stopPort;
+        return callback(Error(msg));
+      }
+    } else {
+      // otherwise, try again, using sorted port, aka, highest open for >= 1 host
+      return exports.getPort({ port: openPorts.pop(), host: options.host, startPort: options.startPort, stopPort: options.stopPort }, callback);
+    }
+
+  });
+};
+
+//
+// ### function getPortPromise (options)
+// #### @options {Object} Settings to use when finding the necessary port
+// Responds a promise to an unbound port on the current machine.
+//
+exports.getPortPromise = function (options) {
+  if (typeof Promise !== 'function') {
+    throw Error('Native promise support is not available in this version of node.' +
+      'Please install a polyfill and assign Promise to global.Promise before calling this method');
+  }
+  if (!options) {
+    options = {};
+  }
+  return new Promise(function(resolve, reject) {
+    exports.getPort(options, function(err, port) {
+      if (err) {
+        return reject(err);
+      }
+      resolve(port);
+    });
+  });
+}
+
+//
+// ### function getPorts (count, options, callback)
+// #### @count {Number} The number of ports to find
+// #### @options {Object} Settings to use when finding the necessary port
+// #### @callback {function} Continuation to respond to when complete.
+// Responds with an array of unbound ports on the current machine.
+//
+exports.getPorts = function (count, options, callback) {
+  if (!callback) {
+    callback = options;
+    options = {};
+  }
+
+  var lastPort = null;
+  _async.timesSeries(count, function(index, asyncCallback) {
+    if (lastPort) {
+      options.port = exports.nextPort(lastPort);
+    }
+
+    exports.getPort(options, function (err, port) {
+      if (err) {
+        asyncCallback(err);
+      } else {
+        lastPort = port;
+        asyncCallback(null, port);
+      }
+    });
+  }, callback);
+};
+
+//
+// ### function getSocket (options, callback)
+// #### @options {Object} Settings to use when finding the necessary port
+// #### @callback {function} Continuation to respond to when complete.
+// Responds with a unbound socket using the specified directory and base
+// name on the current machine.
+//
+exports.getSocket = function (options, callback) {
+  if (!callback) {
+    callback = options;
+    options = {};
+  }
+
+  options.mod  = options.mod    || parseInt(755, 8);
+  options.path = options.path   || exports.basePath + '.sock';
+
+  //
+  // Tests the specified socket
+  //
+  function testSocket () {
+    fs.stat(options.path, function (err) {
+      //
+      // If file we're checking doesn't exist (thus, stating it emits ENOENT),
+      // we should be OK with listening on this socket.
+      //
+      if (err) {
+        if (err.code == 'ENOENT') {
+          callback(null, options.path);
+        }
+        else {
+          callback(err);
+        }
+      }
+      else {
+        //
+        // This file exists, so it isn't possible to listen on it. Lets try
+        // next socket.
+        //
+        options.path = exports.nextSocket(options.path);
+        exports.getSocket(options, callback);
+      }
+    });
+  }
+
+  //
+  // Create the target `dir` then test connection
+  // against the socket.
+  //
+  function createAndTestSocket (dir) {
+    mkdirp(dir, options.mod, function (err) {
+      if (err) {
+        return callback(err);
+      }
+
+      options.exists = true;
+      testSocket();
+    });
+  }
+
+  //
+  // Check if the parent directory of the target
+  // socket path exists. If it does, test connection
+  // against the socket. Otherwise, create the directory
+  // then test connection.
+  //
+  function checkAndTestSocket () {
+    var dir = path.dirname(options.path);
+
+    fs.stat(dir, function (err, stats) {
+      if (err || !stats.isDirectory()) {
+        return createAndTestSocket(dir);
+      }
+
+      options.exists = true;
+      testSocket();
+    });
+  }
+
+  //
+  // If it has been explicitly stated that the
+  // target `options.path` already exists, then
+  // simply test the socket.
+  //
+  return options.exists
+    ? testSocket()
+    : checkAndTestSocket();
+};
+
+//
+// ### function nextPort (port)
+// #### @port {Number} Port to increment from.
+// Gets the next port in sequence from the
+// specified `port`.
+//
+exports.nextPort = function (port) {
+  return port + 1;
+};
+
+//
+// ### function nextSocket (socketPath)
+// #### @socketPath {string} Path to increment from
+// Gets the next socket path in sequence from the
+// specified `socketPath`.
+//
+exports.nextSocket = function (socketPath) {
+  var dir = path.dirname(socketPath),
+      name = path.basename(socketPath, '.sock'),
+      match = name.match(/^([a-zA-z]+)(\d*)$/i),
+      index = parseInt(match[2]),
+      base = match[1];
+  if (isNaN(index)) {
+    index = 0;
+  }
+
+  index += 1;
+  return path.join(dir, base + index + '.sock');
+};
+
+/**
+ * @desc List of internal hostnames provided by your machine. A user
+ *       provided hostname may also be provided when calling portfinder.getPort,
+ *       which would then be added to the default hosts we lookup and return here.
+ *
+ * @return {array}
+ *
+ * Long Form Explantion:
+ *
+ *    - Input: (os.networkInterfaces() w/ MacOS 10.11.5+ and running a VM)
+ *
+ *        { lo0:
+ *         [ { address: '::1',
+ *             netmask: 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff',
+ *             family: 'IPv6',
+ *             mac: '00:00:00:00:00:00',
+ *             scopeid: 0,
+ *             internal: true },
+ *           { address: '127.0.0.1',
+ *             netmask: '255.0.0.0',
+ *             family: 'IPv4',
+ *             mac: '00:00:00:00:00:00',
+ *             internal: true },
+ *           { address: 'fe80::1',
+ *             netmask: 'ffff:ffff:ffff:ffff::',
+ *             family: 'IPv6',
+ *             mac: '00:00:00:00:00:00',
+ *             scopeid: 1,
+ *             internal: true } ],
+ *        en0:
+ *         [ { address: 'fe80::a299:9bff:fe17:766d',
+ *             netmask: 'ffff:ffff:ffff:ffff::',
+ *             family: 'IPv6',
+ *             mac: 'a0:99:9b:17:76:6d',
+ *             scopeid: 4,
+ *             internal: false },
+ *           { address: '10.0.1.22',
+ *             netmask: '255.255.255.0',
+ *             family: 'IPv4',
+ *             mac: 'a0:99:9b:17:76:6d',
+ *             internal: false } ],
+ *        awdl0:
+ *         [ { address: 'fe80::48a8:37ff:fe34:aaef',
+ *             netmask: 'ffff:ffff:ffff:ffff::',
+ *             family: 'IPv6',
+ *             mac: '4a:a8:37:34:aa:ef',
+ *             scopeid: 8,
+ *             internal: false } ],
+ *        vnic0:
+ *         [ { address: '10.211.55.2',
+ *             netmask: '255.255.255.0',
+ *             family: 'IPv4',
+ *             mac: '00:1c:42:00:00:08',
+ *             internal: false } ],
+ *        vnic1:
+ *         [ { address: '10.37.129.2',
+ *             netmask: '255.255.255.0',
+ *             family: 'IPv4',
+ *             mac: '00:1c:42:00:00:09',
+ *             internal: false } ] }
+ *
+ *    - Output:
+ *
+ *         [
+ *          '0.0.0.0',
+ *          '::1',
+ *          '127.0.0.1',
+ *          'fe80::1',
+ *          '10.0.1.22',
+ *          'fe80::48a8:37ff:fe34:aaef',
+ *          '10.211.55.2',
+ *          '10.37.129.2'
+ *         ]
+ *
+ *     Note we export this so we can use it in our tests, otherwise this API is private
+ */
+exports._defaultHosts = (function() {
+  var interfaces = {};
+  try{
+    interfaces = os.networkInterfaces();
+  }
+  catch(e) {
+    // As of October 2016, Windows Subsystem for Linux (WSL) does not support
+    // the os.networkInterfaces() call and throws instead. For this platform,
+    // assume 0.0.0.0 as the only address
+    //
+    // - https://github.com/Microsoft/BashOnWindows/issues/468
+    //
+    // - Workaround is a mix of good work from the community:
+    //   - https://github.com/http-party/node-portfinder/commit/8d7e30a648ff5034186551fa8a6652669dec2f2f
+    //   - https://github.com/yarnpkg/yarn/pull/772/files
+    if (e.syscall === 'uv_interface_addresses') {
+      // swallow error because we're just going to use defaults
+      // documented @ https://github.com/nodejs/node/blob/4b65a65e75f48ff447cabd5500ce115fb5ad4c57/doc/api/net.md#L231
+    } else {
+      throw e;
+    }
+  }
+
+  var interfaceNames = Object.keys(interfaces),
+      hiddenButImportantHost = '0.0.0.0', // !important - dont remove, hence the naming :)
+      results = [hiddenButImportantHost];
+  for (var i = 0; i < interfaceNames.length; i++) {
+    var _interface = interfaces[interfaceNames[i]];
+    for (var j = 0; j < _interface.length; j++) {
+      var curr = _interface[j];
+      results.push(curr.address);
+    }
+  }
+
+  // add null value, For createServer function, do not use host.
+  results.push(null);
+
+  debugDefaultHosts("exports._defaultHosts is: %o", results);
+
+  return results;
+}());
diff --git a/web/public/node_modules/portfinder/package.json b/web/public/node_modules/portfinder/package.json
new file mode 100644
index 000000000..089368469
--- /dev/null
+++ b/web/public/node_modules/portfinder/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "portfinder",
+  "description": "A simple tool to find an open port on the current machine",
+  "version": "1.0.32",
+  "author": "Charlie Robbins <charlie.robbins@gmail.com>",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:http-party/node-portfinder.git"
+  },
+  "keywords": [
+    "http",
+    "ports",
+    "utilities"
+  ],
+  "files": [
+    "lib"
+  ],
+  "dependencies": {
+    "async": "^2.6.4",
+    "debug": "^3.2.7",
+    "mkdirp": "^0.5.6"
+  },
+  "devDependencies": {
+    "vows": "^0.8.3"
+  },
+  "main": "./lib/portfinder",
+  "types": "./lib/portfinder.d.ts",
+  "scripts": {
+    "test": "vows test/*-test.js --spec"
+  },
+  "engines": {
+    "node": ">= 0.12.0"
+  },
+  "license": "MIT"
+}
diff --git a/web/public/node_modules/qs/.editorconfig b/web/public/node_modules/qs/.editorconfig
new file mode 100644
index 000000000..6adecfbf4
--- /dev/null
+++ b/web/public/node_modules/qs/.editorconfig
@@ -0,0 +1,46 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 160
+quote_type = single
+
+[test/*]
+max_line_length = off
+
+[LICENSE.md]
+indent_size = off
+
+[*.md]
+max_line_length = off
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[LICENSE]
+indent_size = 2
+max_line_length = off
+
+[coverage/**/*]
+indent_size = off
+indent_style = off
+indent = off
+max_line_length = off
+
+[.nycrc]
+indent_style = tab
+
+[tea.yaml]
+indent_size = 2
diff --git a/web/public/node_modules/qs/.eslintrc b/web/public/node_modules/qs/.eslintrc
new file mode 100644
index 000000000..b6927611e
--- /dev/null
+++ b/web/public/node_modules/qs/.eslintrc
@@ -0,0 +1,38 @@
+{
+    "root": true,
+
+    "extends": "@ljharb",
+
+    "ignorePatterns": [
+        "dist/",
+    ],
+
+    "rules": {
+        "complexity": 0,
+        "consistent-return": 1,
+        "func-name-matching": 0,
+        "id-length": [2, { "min": 1, "max": 25, "properties": "never" }],
+        "indent": [2, 4],
+        "max-lines-per-function": [2, { "max": 150 }],
+        "max-params": [2, 18],
+        "max-statements": [2, 100],
+        "multiline-comment-style": 0,
+        "no-continue": 1,
+        "no-magic-numbers": 0,
+        "no-restricted-syntax": [2, "BreakStatement", "DebuggerStatement", "ForInStatement", "LabeledStatement", "WithStatement"],
+    },
+
+    "overrides": [
+        {
+            "files": "test/**",
+            "rules": {
+                "function-paren-newline": 0,
+                "max-lines-per-function": 0,
+                "max-statements": 0,
+                "no-buffer-constructor": 0,
+                "no-extend-native": 0,
+                "no-throw-literal": 0,
+            },
+        },
+    ],
+}
diff --git a/web/public/node_modules/qs/.github/FUNDING.yml b/web/public/node_modules/qs/.github/FUNDING.yml
new file mode 100644
index 000000000..0355f4f5f
--- /dev/null
+++ b/web/public/node_modules/qs/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/qs
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/web/public/node_modules/qs/.nycrc b/web/public/node_modules/qs/.nycrc
new file mode 100644
index 000000000..1d57cabe1
--- /dev/null
+++ b/web/public/node_modules/qs/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"dist"
+	]
+}
diff --git a/web/public/node_modules/qs/CHANGELOG.md b/web/public/node_modules/qs/CHANGELOG.md
new file mode 100644
index 000000000..9abab626a
--- /dev/null
+++ b/web/public/node_modules/qs/CHANGELOG.md
@@ -0,0 +1,596 @@
+## **6.12.3**
+- [Fix] `parse`: properly account for `strictNullHandling` when `allowEmptyArrays`
+- [meta] fix changelog indentation
+
+## **6.12.2**
+- [Fix] `parse`: parse encoded square brackets (#506)
+- [readme] add CII best practices badge
+
+## **6.12.1**
+- [Fix] `parse`: Disable `decodeDotInKeys` by default to restore previous behavior (#501)
+- [Performance] `utils`: Optimize performance under large data volumes, reduce memory usage, and speed up processing (#502)
+- [Refactor] `utils`: use `+=`
+- [Tests] increase coverage
+
+## **6.12.0**
+
+- [New] `parse`/`stringify`: add `decodeDotInKeys`/`encodeDotKeys` options (#488)
+- [New] `parse`: add `duplicates` option
+- [New] `parse`/`stringify`: add `allowEmptyArrays` option to allow [] in object values (#487)
+- [Refactor] `parse`/`stringify`: move allowDots config logic to its own variable
+- [Refactor] `stringify`: move option-handling code into `normalizeStringifyOptions`
+- [readme] update readme, add logos (#484)
+- [readme] `stringify`: clarify default `arrayFormat` behavior
+- [readme] fix line wrapping
+- [readme] remove dead badges
+- [Deps] update `side-channel`
+- [meta] make the dist build 50% smaller
+- [meta] add `sideEffects` flag
+- [meta] run build in prepack, not prepublish
+- [Tests] `parse`: remove useless tests; add coverage
+- [Tests] `stringify`: increase coverage
+- [Tests] use `mock-property`
+- [Tests] `stringify`: improve coverage
+- [Dev Deps] update `@ljharb/eslint-config `, `aud`, `has-override-mistake`, `has-property-descriptors`, `mock-property`, `npmignore`, `object-inspect`, `tape`
+- [Dev Deps] pin `glob`, since v10.3.8+ requires a broken `jackspeak`
+- [Dev Deps] pin `jackspeak` since 2.1.2+ depends on npm aliases, which kill the install process in npm < 6
+
+## **6.11.2**
+- [Fix] `parse`: Fix parsing when the global Object prototype is frozen (#473)
+- [Tests] add passing test cases with empty keys (#473)
+
+## **6.11.1**
+- [Fix] `stringify`: encode comma values more consistently (#463)
+- [readme] add usage of `filter` option for injecting custom serialization, i.e. of custom types (#447)
+- [meta] remove extraneous code backticks (#457)
+- [meta] fix changelog markdown
+- [actions] update checkout action
+- [actions] restrict action permissions
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape`
+
+## **6.11.0**
+- [New] [Fix] `stringify`: revert 0e903c0; add `commaRoundTrip` option (#442)
+- [readme] fix version badge
+
+## **6.10.5**
+- [Fix] `stringify`: with `arrayFormat: comma`, properly include an explicit `[]` on a single-item array (#434)
+
+## **6.10.4**
+- [Fix] `stringify`: with `arrayFormat: comma`, include an explicit `[]` on a single-item array (#441)
+- [meta] use `npmignore` to autogenerate an npmignore file
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-symbol`, `object-inspect`, `tape`
+
+## **6.10.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [actions] reuse common workflows
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `tape`
+
+## **6.10.2**
+- [Fix] `stringify`: actually fix cyclic references (#426)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [actions] update codecov uploader
+- [actions] update workflows
+- [Tests] clean up stringify tests slightly
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `safe-publish-latest`, `tape`
+
+## **6.10.1**
+- [Fix] `stringify`: avoid exception on repeated object values (#402)
+
+## **6.10.0**
+- [New] `stringify`: throw on cycles, instead of an infinite loop (#395, #394, #393)
+- [New] `parse`: add `allowSparse` option for collapsing arrays with missing indices (#312)
+- [meta] fix README.md (#399)
+- [meta] only run `npm run dist` in publish, not install
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-symbols`, `tape`
+- [Tests] fix tests on node v0.6
+- [Tests] use `ljharb/actions/node/install` instead of `ljharb/actions/node/run`
+- [Tests] Revert "[meta] ignore eclint transitive audit warning"
+
+## **6.9.7**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [Tests] clean up stringify tests slightly
+- [meta] fix README.md (#399)
+- Revert "[meta] ignore eclint transitive audit warning"
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+
+## **6.9.6**
+- [Fix] restore `dist` dir; mistakenly removed in d4f6c32
+
+## **6.9.5**
+- [Fix] `stringify`: do not encode parens for RFC1738
+- [Fix] `stringify`: fix arrayFormat comma with empty array/objects (#350)
+- [Refactor] `format`: remove `util.assign` call
+- [meta] add "Allow Edits" workflow; update rebase workflow
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event
+- [Tests] `stringify`: add tests for #378
+- [Tests] migrate tests to Github Actions
+- [Tests] run `nyc` on all tests; use `tape` runner
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `mkdirp`, `object-inspect`, `tape`; add `aud`
+
+## **6.9.4**
+- [Fix] `stringify`: when `arrayFormat` is `comma`, respect `serializeDate` (#364)
+- [Refactor] `stringify`: reduce branching (part of #350)
+- [Refactor] move `maybeMap` to `utils`
+- [Dev Deps] update `browserify`, `tape`
+
+## **6.9.3**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.9.2**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [meta] ignore eclint transitive audit warning
+- [meta] fix indentation in package.json
+- [meta] add tidelift marketing copy
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `has-symbols`, `tape`, `mkdirp`, `iconv-lite`
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.9.1**
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [Fix] `parse`: with comma true, do not split non-string values (#334)
+- [meta] add `funding` field
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`
+- [Tests] use shared travis-ci config
+
+## **6.9.0**
+- [New] `parse`/`stringify`: Pass extra key/value argument to `decoder` (#333)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `evalmd`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] add `posttest` using `npx aud` to run `npm audit` without a lockfile
+- [Tests] up to `node` `v12.10`, `v11.15`, `v10.16`, `v8.16`
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+
+## **6.8.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Tests] clean up stringify tests slightly
+- [Docs] add note and links for coercing primitive values (#408)
+- [meta] fix README.md (#399)
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+- [Refactor] `stringify`: reduce branching
+- [meta] do not publish workflow files
+
+## **6.8.2**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.8.1**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [fix] `parse`: with comma true, do not split non-string values (#334)
+- [meta] add tidelift marketing copy
+- [meta] add `funding` field
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `safe-publish-latest`, `evalmd`, `has-symbols`, `iconv-lite`, `mkdirp`, `object-inspect`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] use shared travis-ci configs
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.8.0**
+- [New] add `depth=false` to preserve the original key; [Fix] `depth=0` should preserve the original key (#326)
+- [New] [Fix] stringify symbols and bigints
+- [Fix] ensure node 0.12 can stringify Symbols
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Refactor] `formats`: tiny bit of cleanup.
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `safe-publish-latest`, `iconv-lite`, `tape`
+- [Tests] add tests for `depth=0` and `depth=false` behavior, both current and intuitive/intended (#326)
+- [Tests] use `eclint` instead of `editorconfig-tools`
+- [docs] readme: add security note
+- [meta] add github sponsorship
+- [meta] add FUNDING.yml
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+
+## **6.7.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [meta] fix README.md (#399)
+- [meta] do not publish workflow files
+- [actions] backport actions from main
+- [Dev Deps] backport updates from main
+- [Tests] use `nyc` for coverage
+- [Tests] clean up stringify tests slightly
+
+## **6.7.2**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.7.1**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [fix] `parse`: with comma true, do not split non-string values (#334)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Refactor] `formats`: tiny bit of cleanup.
+- readme: add security note
+- [meta] add tidelift marketing copy
+- [meta] add `funding` field
+- [meta] add FUNDING.yml
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `safe-publish-latest`, `evalmd`, `iconv-lite`, `mkdirp`, `object-inspect`, `browserify`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] use shared travis-ci configs
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+- [Tests] add tests for `depth=0` and `depth=false` behavior, both current and intuitive/intended
+- [Tests] use `eclint` instead of `editorconfig-tools`
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.7.0**
+- [New] `stringify`/`parse`: add `comma` as an `arrayFormat` option (#276, #219)
+- [Fix] correctly parse nested arrays (#212)
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source, also with an array source
+- [Robustness] `stringify`: cache `Object.prototype.hasOwnProperty`
+- [Refactor] `utils`: `isBuffer`: small tweak; add tests
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `parse`/`stringify`: make a function to normalize the options
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] `stringify`/`utils`: cache `Array.isArray`
+- [Tests] always use `String(x)` over `x.toString()`
+- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
+- [Tests] temporarily allow coverage to fail
+
+## **6.6.1**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] correctly parse nested arrays
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Robustness] `stringify`: cache `Object.prototype.hasOwnProperty`
+- [Refactor] `formats`: tiny bit of cleanup.
+- [Refactor] `utils`: `isBuffer`: small tweak; add tests
+- [Refactor]: `stringify`/`utils`: cache `Array.isArray`
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `parse`/`stringify`: make a function to normalize the options
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] do not publish workflow files
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [meta] Fixes typo in CHANGELOG.md
+- [actions] backport actions from main
+- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
+- [Tests] always use `String(x)` over `x.toString()`
+- [Dev Deps] backport from main
+
+## **6.6.0**
+- [New] Add support for iso-8859-1, utf8 "sentinel" and numeric entities (#268)
+- [New] move two-value combine to a `utils` function (#189)
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]` (#260)
+- [Fix] `stringify`: do not crash in an obscure combo of `interpretNumericEntities`, a bad custom `decoder`, & `iso-8859-1`
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Refactor] `parse`: only need to reassign the var once
+- [Refactor] `parse`/`stringify`: clean up `charset` options checking; fix defaults
+- [Refactor] add missing defaults
+- [Refactor] `parse`: one less `concat` call
+- [Refactor] `utils`: `compactQueue`: make it explicitly side-effecting
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`, `iconv-lite`, `safe-publish-latest`, `tape`
+- [Tests] up to `node` `v10.10`, `v9.11`, `v8.12`, `v6.14`, `v4.9`; pin included builds to LTS
+
+## **6.5.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] correctly parse nested arrays
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Refactor] `parse`: only need to reassign the var once
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clean up license text so it’s properly detected as BSD-3-Clause
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] always use `String(x)` over `x.toString()`
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.5.2**
+- [Fix] use `safer-buffer` instead of `Buffer` constructor
+- [Refactor] utils: `module.exports` one thing, instead of mutating `exports` (#230)
+- [Dev Deps] update `browserify`, `eslint`, `iconv-lite`, `safer-buffer`, `tape`, `browserify`
+
+## **6.5.1**
+- [Fix] Fix parsing & compacting very deep objects (#224)
+- [Refactor] name utils functions
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`
+- [Tests] up to `node` `v8.4`; use `nvm install-latest-npm` so newer npm doesn’t break older node
+- [Tests] Use precise dist for Node.js 0.6 runtime (#225)
+- [Tests] make 0.6 required, now that it’s passing
+- [Tests] on `node` `v8.2`; fix npm on node 0.6
+
+## **6.5.0**
+- [New] add `utils.assign`
+- [New] pass default encoder/decoder to custom encoder/decoder functions (#206)
+- [New] `parse`/`stringify`: add `ignoreQueryPrefix`/`addQueryPrefix` options, respectively (#213)
+- [Fix] Handle stringifying empty objects with addQueryPrefix (#217)
+- [Fix] do not mutate `options` argument (#207)
+- [Refactor] `parse`: cache index to reuse in else statement (#182)
+- [Docs] add various badges to readme (#208)
+- [Dev Deps] update `eslint`, `browserify`, `iconv-lite`, `tape`
+- [Tests] up to `node` `v8.1`, `v7.10`, `v6.11`; npm v4.6 breaks on node < v1; npm v5+ breaks on node < v4
+- [Tests] add `editorconfig-tools`
+
+## **6.4.1**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] use `safer-buffer` instead of `Buffer` constructor
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.4.0**
+- [New] `qs.stringify`: add `encodeValuesOnly` option
+- [Fix] follow `allowPrototypes` option during merge (#201, #201)
+- [Fix] support keys starting with brackets (#202, #200)
+- [Fix] chmod a-x
+- [Dev Deps] update `eslint`
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+- [eslint] reduce warnings
+
+## **6.3.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] use `safer-buffer` instead of `Buffer` constructor
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.3.2**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Dev Deps] update `eslint`
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.3.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties (thanks, @snyk!)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `iconv-lite`, `qs-iconv`, `tape`
+- [Tests] on all node minors; improve test matrix
+- [Docs] document stringify option `allowDots` (#195)
+- [Docs] add empty object and array values example (#195)
+- [Docs] Fix minor inconsistency/typo (#192)
+- [Docs] document stringify option `sort` (#191)
+- [Refactor] `stringify`: throw faster with an invalid encoder
+- [Refactor] remove unnecessary escapes (#184)
+- Remove contributing.md, since `qs` is no longer part of `hapi` (#183)
+
+## **6.3.0**
+- [New] Add support for RFC 1738 (#174, #173)
+- [New] `stringify`: Add `serializeDate` option to customize Date serialization (#159)
+- [Fix] ensure `utils.merge` handles merging two arrays
+- [Refactor] only constructors should be capitalized
+- [Refactor] capitalized var names are for constructors only
+- [Refactor] avoid using a sparse array
+- [Robustness] `formats`: cache `String#replace`
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`; add `safe-publish-latest`
+- [Tests] up to `node` `v6.8`, `v4.6`; improve test matrix
+- [Tests] flesh out arrayLimit/arrayFormat tests (#107)
+- [Tests] skip Object.create tests when null objects are not available
+- [Tests] Turn on eslint for test files (#175)
+
+## **6.2.4**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [Refactor] use cached `Array.isArray`
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] use `safer-buffer` instead of `Buffer` constructor
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.2.3**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.2.2**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## **6.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+- [Refactor] Be explicit and use `Object.prototype.hasOwnProperty.call`
+- [Tests] remove `parallelshell` since it does not reliably report failures
+- [Tests] up to `node` `v6.3`, `v5.12`
+- [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`, `qs-iconv`
+
+## [**6.2.0**](https://github.com/ljharb/qs/issues?milestone=36&state=closed)
+- [New] pass Buffers to the encoder/decoder directly (#161)
+- [New] add "encoder" and "decoder" options, for custom param encoding/decoding (#160)
+- [Fix] fix compacting of nested sparse arrays (#150)
+
+## **6.1.2**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.1.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## [**6.1.0**](https://github.com/ljharb/qs/issues?milestone=35&state=closed)
+- [New] allowDots option for `stringify` (#151)
+- [Fix] "sort" option should work at a depth of 3 or more (#151)
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## **6.0.4**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.0.3**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## [**6.0.2**](https://github.com/ljharb/qs/issues?milestone=33&state=closed)
+- Revert ES6 requirement and restore support for node down to v0.8.
+
+## [**6.0.1**](https://github.com/ljharb/qs/issues?milestone=32&state=closed)
+- [**#127**](https://github.com/ljharb/qs/pull/127) Fix engines definition in package.json
+
+## [**6.0.0**](https://github.com/ljharb/qs/issues?milestone=31&state=closed)
+- [**#124**](https://github.com/ljharb/qs/issues/124) Use ES6 and drop support for node < v4
+
+## **5.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+
+## [**5.2.0**](https://github.com/ljharb/qs/issues?milestone=30&state=closed)
+- [**#64**](https://github.com/ljharb/qs/issues/64) Add option to sort object keys in the query string
+
+## [**5.1.0**](https://github.com/ljharb/qs/issues?milestone=29&state=closed)
+- [**#117**](https://github.com/ljharb/qs/issues/117) make URI encoding stringified results optional
+- [**#106**](https://github.com/ljharb/qs/issues/106) Add flag `skipNulls` to optionally skip null values in stringify
+
+## [**5.0.0**](https://github.com/ljharb/qs/issues?milestone=28&state=closed)
+- [**#114**](https://github.com/ljharb/qs/issues/114) default allowDots to false
+- [**#100**](https://github.com/ljharb/qs/issues/100) include dist to npm
+
+## [**4.0.0**](https://github.com/ljharb/qs/issues?milestone=26&state=closed)
+- [**#98**](https://github.com/ljharb/qs/issues/98) make returning plain objects and allowing prototype overwriting properties optional
+
+## [**3.1.0**](https://github.com/ljharb/qs/issues?milestone=24&state=closed)
+- [**#89**](https://github.com/ljharb/qs/issues/89) Add option to disable "Transform dot notation to bracket notation"
+
+## [**3.0.0**](https://github.com/ljharb/qs/issues?milestone=23&state=closed)
+- [**#80**](https://github.com/ljharb/qs/issues/80) qs.parse silently drops properties
+- [**#77**](https://github.com/ljharb/qs/issues/77) Perf boost
+- [**#60**](https://github.com/ljharb/qs/issues/60) Add explicit option to disable array parsing
+- [**#74**](https://github.com/ljharb/qs/issues/74) Bad parse when turning array into object
+- [**#81**](https://github.com/ljharb/qs/issues/81) Add a `filter` option
+- [**#68**](https://github.com/ljharb/qs/issues/68) Fixed issue with recursion and passing strings into objects.
+- [**#66**](https://github.com/ljharb/qs/issues/66) Add mixed array and object dot notation support Closes: #47
+- [**#76**](https://github.com/ljharb/qs/issues/76) RFC 3986
+- [**#85**](https://github.com/ljharb/qs/issues/85) No equal sign
+- [**#84**](https://github.com/ljharb/qs/issues/84) update license attribute
+
+## [**2.4.1**](https://github.com/ljharb/qs/issues?milestone=20&state=closed)
+- [**#73**](https://github.com/ljharb/qs/issues/73) Property 'hasOwnProperty' of object #<Object> is not a function
+
+## [**2.4.0**](https://github.com/ljharb/qs/issues?milestone=19&state=closed)
+- [**#70**](https://github.com/ljharb/qs/issues/70) Add arrayFormat option
+
+## [**2.3.3**](https://github.com/ljharb/qs/issues?milestone=18&state=closed)
+- [**#59**](https://github.com/ljharb/qs/issues/59) make sure array indexes are >= 0, closes #57
+- [**#58**](https://github.com/ljharb/qs/issues/58) make qs usable for browser loader
+
+## [**2.3.2**](https://github.com/ljharb/qs/issues?milestone=17&state=closed)
+- [**#55**](https://github.com/ljharb/qs/issues/55) allow merging a string into an object
+
+## [**2.3.1**](https://github.com/ljharb/qs/issues?milestone=16&state=closed)
+- [**#52**](https://github.com/ljharb/qs/issues/52) Return "undefined" and "false" instead of throwing "TypeError".
+
+## [**2.3.0**](https://github.com/ljharb/qs/issues?milestone=15&state=closed)
+- [**#50**](https://github.com/ljharb/qs/issues/50) add option to omit array indices, closes #46
+
+## [**2.2.5**](https://github.com/ljharb/qs/issues?milestone=14&state=closed)
+- [**#39**](https://github.com/ljharb/qs/issues/39) Is there an alternative to Buffer.isBuffer?
+- [**#49**](https://github.com/ljharb/qs/issues/49) refactor utils.merge, fixes #45
+- [**#41**](https://github.com/ljharb/qs/issues/41) avoid browserifying Buffer, for #39
+
+## [**2.2.4**](https://github.com/ljharb/qs/issues?milestone=13&state=closed)
+- [**#38**](https://github.com/ljharb/qs/issues/38) how to handle object keys beginning with a number
+
+## [**2.2.3**](https://github.com/ljharb/qs/issues?milestone=12&state=closed)
+- [**#37**](https://github.com/ljharb/qs/issues/37) parser discards first empty value in array
+- [**#36**](https://github.com/ljharb/qs/issues/36) Update to lab 4.x
+
+## [**2.2.2**](https://github.com/ljharb/qs/issues?milestone=11&state=closed)
+- [**#33**](https://github.com/ljharb/qs/issues/33) Error when plain object in a value
+- [**#34**](https://github.com/ljharb/qs/issues/34) use Object.prototype.hasOwnProperty.call instead of obj.hasOwnProperty
+- [**#24**](https://github.com/ljharb/qs/issues/24) Changelog? Semver?
+
+## [**2.2.1**](https://github.com/ljharb/qs/issues?milestone=10&state=closed)
+- [**#32**](https://github.com/ljharb/qs/issues/32) account for circular references properly, closes #31
+- [**#31**](https://github.com/ljharb/qs/issues/31) qs.parse stackoverflow on circular objects
+
+## [**2.2.0**](https://github.com/ljharb/qs/issues?milestone=9&state=closed)
+- [**#26**](https://github.com/ljharb/qs/issues/26) Don't use Buffer global if it's not present
+- [**#30**](https://github.com/ljharb/qs/issues/30) Bug when merging non-object values into arrays
+- [**#29**](https://github.com/ljharb/qs/issues/29) Don't call Utils.clone at the top of Utils.merge
+- [**#23**](https://github.com/ljharb/qs/issues/23) Ability to not limit parameters?
+
+## [**2.1.0**](https://github.com/ljharb/qs/issues?milestone=8&state=closed)
+- [**#22**](https://github.com/ljharb/qs/issues/22) Enable using a RegExp as delimiter
+
+## [**2.0.0**](https://github.com/ljharb/qs/issues?milestone=7&state=closed)
+- [**#18**](https://github.com/ljharb/qs/issues/18) Why is there arrayLimit?
+- [**#20**](https://github.com/ljharb/qs/issues/20) Configurable parametersLimit
+- [**#21**](https://github.com/ljharb/qs/issues/21) make all limits optional, for #18, for #20
+
+## [**1.2.2**](https://github.com/ljharb/qs/issues?milestone=6&state=closed)
+- [**#19**](https://github.com/ljharb/qs/issues/19) Don't overwrite null values
+
+## [**1.2.1**](https://github.com/ljharb/qs/issues?milestone=5&state=closed)
+- [**#16**](https://github.com/ljharb/qs/issues/16) ignore non-string delimiters
+- [**#15**](https://github.com/ljharb/qs/issues/15) Close code block
+
+## [**1.2.0**](https://github.com/ljharb/qs/issues?milestone=4&state=closed)
+- [**#12**](https://github.com/ljharb/qs/issues/12) Add optional delim argument
+- [**#13**](https://github.com/ljharb/qs/issues/13) fix #11: flattened keys in array are now correctly parsed
+
+## [**1.1.0**](https://github.com/ljharb/qs/issues?milestone=3&state=closed)
+- [**#7**](https://github.com/ljharb/qs/issues/7) Empty values of a POST array disappear after being submitted
+- [**#9**](https://github.com/ljharb/qs/issues/9) Should not omit equals signs (=) when value is null
+- [**#6**](https://github.com/ljharb/qs/issues/6) Minor grammar fix in README
+
+## [**1.0.2**](https://github.com/ljharb/qs/issues?milestone=2&state=closed)
+- [**#5**](https://github.com/ljharb/qs/issues/5) array holes incorrectly copied into object on large index
diff --git a/web/public/node_modules/qs/LICENSE.md b/web/public/node_modules/qs/LICENSE.md
new file mode 100644
index 000000000..fecf6b694
--- /dev/null
+++ b/web/public/node_modules/qs/LICENSE.md
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2014, Nathan LaFreniere and other [contributors](https://github.com/ljharb/qs/graphs/contributors)
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/web/public/node_modules/qs/README.md b/web/public/node_modules/qs/README.md
new file mode 100644
index 000000000..218f3e4cc
--- /dev/null
+++ b/web/public/node_modules/qs/README.md
@@ -0,0 +1,698 @@
+<p align="center">
+    <img alt="qs" src="./logos/banner_default.png" width="800" />
+</p>
+
+# qs <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/9058/badge)](https://bestpractices.coreinfrastructure.org/projects/9058)
+
+[![npm badge][npm-badge-png]][package-url]
+
+A querystring parsing and stringifying library with some added security.
+
+Lead Maintainer: [Jordan Harband](https://github.com/ljharb)
+
+The **qs** module was originally created and maintained by [TJ Holowaychuk](https://github.com/visionmedia/node-querystring).
+
+## Usage
+
+```javascript
+var qs = require('qs');
+var assert = require('assert');
+
+var obj = qs.parse('a=c');
+assert.deepEqual(obj, { a: 'c' });
+
+var str = qs.stringify(obj);
+assert.equal(str, 'a=c');
+```
+
+### Parsing Objects
+
+[](#preventEval)
+```javascript
+qs.parse(string, [options]);
+```
+
+**qs** allows you to create nested objects within your query strings, by surrounding the name of sub-keys with square brackets `[]`.
+For example, the string `'foo[bar]=baz'` converts to:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar]=baz'), {
+    foo: {
+        bar: 'baz'
+    }
+});
+```
+
+When using the `plainObjects` option the parsed value is returned as a null object, created via `Object.create(null)` and as such you should be aware that prototype methods will not exist on it and a user may set those names to whatever value they like:
+
+```javascript
+var nullObject = qs.parse('a[hasOwnProperty]=b', { plainObjects: true });
+assert.deepEqual(nullObject, { a: { hasOwnProperty: 'b' } });
+```
+
+By default parameters that would overwrite properties on the object prototype are ignored, if you wish to keep the data from those fields either use `plainObjects` as mentioned above, or set `allowPrototypes` to `true` which will allow user input to overwrite those properties.
+*WARNING* It is generally a bad idea to enable this option as it can cause problems when attempting to use the properties that have been overwritten.
+Always be careful with this option.
+
+```javascript
+var protoObject = qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true });
+assert.deepEqual(protoObject, { a: { hasOwnProperty: 'b' } });
+```
+
+URI encoded strings work too:
+
+```javascript
+assert.deepEqual(qs.parse('a%5Bb%5D=c'), {
+    a: { b: 'c' }
+});
+```
+
+You can also nest your objects, like `'foo[bar][baz]=foobarbaz'`:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar][baz]=foobarbaz'), {
+    foo: {
+        bar: {
+            baz: 'foobarbaz'
+        }
+    }
+});
+```
+
+By default, when nesting objects **qs** will only parse up to 5 children deep.
+This means if you attempt to parse a string like `'a[b][c][d][e][f][g][h][i]=j'` your resulting object will be:
+
+```javascript
+var expected = {
+    a: {
+        b: {
+            c: {
+                d: {
+                    e: {
+                        f: {
+                            '[g][h][i]': 'j'
+                        }
+                    }
+                }
+            }
+        }
+    }
+};
+var string = 'a[b][c][d][e][f][g][h][i]=j';
+assert.deepEqual(qs.parse(string), expected);
+```
+
+This depth can be overridden by passing a `depth` option to `qs.parse(string, [options])`:
+
+```javascript
+var deep = qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1 });
+assert.deepEqual(deep, { a: { b: { '[c][d][e][f][g][h][i]': 'j' } } });
+```
+
+The depth limit helps mitigate abuse when **qs** is used to parse user input, and it is recommended to keep it a reasonably small number.
+
+For similar reasons, by default **qs** will only parse up to 1000 parameters. This can be overridden by passing a `parameterLimit` option:
+
+```javascript
+var limited = qs.parse('a=b&c=d', { parameterLimit: 1 });
+assert.deepEqual(limited, { a: 'b' });
+```
+
+To bypass the leading question mark, use `ignoreQueryPrefix`:
+
+```javascript
+var prefixed = qs.parse('?a=b&c=d', { ignoreQueryPrefix: true });
+assert.deepEqual(prefixed, { a: 'b', c: 'd' });
+```
+
+An optional delimiter can also be passed:
+
+```javascript
+var delimited = qs.parse('a=b;c=d', { delimiter: ';' });
+assert.deepEqual(delimited, { a: 'b', c: 'd' });
+```
+
+Delimiters can be a regular expression too:
+
+```javascript
+var regexed = qs.parse('a=b;c=d,e=f', { delimiter: /[;,]/ });
+assert.deepEqual(regexed, { a: 'b', c: 'd', e: 'f' });
+```
+
+Option `allowDots` can be used to enable dot notation:
+
+```javascript
+var withDots = qs.parse('a.b=c', { allowDots: true });
+assert.deepEqual(withDots, { a: { b: 'c' } });
+```
+
+Option `decodeDotInKeys` can be used to decode dots in keys
+Note: it implies `allowDots`, so `parse` will error if you set `decodeDotInKeys` to `true`, and `allowDots` to `false`.
+
+```javascript
+var withDots = qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { decodeDotInKeys: true });
+assert.deepEqual(withDots, { 'name.obj': { first: 'John', last: 'Doe' }});
+```
+
+Option `allowEmptyArrays` can be used to allowing empty array values in object
+```javascript
+var withEmptyArrays = qs.parse('foo[]&bar=baz', { allowEmptyArrays: true });
+assert.deepEqual(withEmptyArrays, { foo: [], bar: 'baz' });
+```
+
+Option `duplicates` can be used to change the behavior when duplicate keys are encountered
+```javascript
+assert.deepEqual(qs.parse('foo=bar&foo=baz'), { foo: ['bar', 'baz'] });
+assert.deepEqual(qs.parse('foo=bar&foo=baz', { duplicates: 'combine' }), { foo: ['bar', 'baz'] });
+assert.deepEqual(qs.parse('foo=bar&foo=baz', { duplicates: 'first' }), { foo: 'bar' });
+assert.deepEqual(qs.parse('foo=bar&foo=baz', { duplicates: 'last' }), { foo: 'baz' });
+```
+
+If you have to deal with legacy browsers or services, there's also support for decoding percent-encoded octets as iso-8859-1:
+
+```javascript
+var oldCharset = qs.parse('a=%A7', { charset: 'iso-8859-1' });
+assert.deepEqual(oldCharset, { a: '§' });
+```
+
+Some services add an initial `utf8=✓` value to forms so that old Internet Explorer versions are more likely to submit the form as utf-8.
+Additionally, the server can check the value against wrong encodings of the checkmark character and detect that a query string or `application/x-www-form-urlencoded` body was *not* sent as utf-8, eg. if the form had an `accept-charset` parameter or the containing page had a different character set.
+
+**qs** supports this mechanism via the `charsetSentinel` option.
+If specified, the `utf8` parameter will be omitted from the returned object.
+It will be used to switch to `iso-8859-1`/`utf-8` mode depending on how the checkmark is encoded.
+
+**Important**: When you specify both the `charset` option and the `charsetSentinel` option, the `charset` will be overridden when the request contains a `utf8` parameter from which the actual charset can be deduced.
+In that sense the `charset` will behave as the default charset rather than the authoritative charset.
+
+```javascript
+var detectedAsUtf8 = qs.parse('utf8=%E2%9C%93&a=%C3%B8', {
+    charset: 'iso-8859-1',
+    charsetSentinel: true
+});
+assert.deepEqual(detectedAsUtf8, { a: 'ø' });
+
+// Browsers encode the checkmark as &#10003; when submitting as iso-8859-1:
+var detectedAsIso8859_1 = qs.parse('utf8=%26%2310003%3B&a=%F8', {
+    charset: 'utf-8',
+    charsetSentinel: true
+});
+assert.deepEqual(detectedAsIso8859_1, { a: 'ø' });
+```
+
+If you want to decode the `&#...;` syntax to the actual character, you can specify the `interpretNumericEntities` option as well:
+
+```javascript
+var detectedAsIso8859_1 = qs.parse('a=%26%239786%3B', {
+    charset: 'iso-8859-1',
+    interpretNumericEntities: true
+});
+assert.deepEqual(detectedAsIso8859_1, { a: '☺' });
+```
+
+It also works when the charset has been detected in `charsetSentinel` mode.
+
+### Parsing Arrays
+
+**qs** can also parse arrays using a similar `[]` notation:
+
+```javascript
+var withArray = qs.parse('a[]=b&a[]=c');
+assert.deepEqual(withArray, { a: ['b', 'c'] });
+```
+
+You may specify an index as well:
+
+```javascript
+var withIndexes = qs.parse('a[1]=c&a[0]=b');
+assert.deepEqual(withIndexes, { a: ['b', 'c'] });
+```
+
+Note that the only difference between an index in an array and a key in an object is that the value between the brackets must be a number to create an array.
+When creating arrays with specific indices, **qs** will compact a sparse array to only the existing values preserving their order:
+
+```javascript
+var noSparse = qs.parse('a[1]=b&a[15]=c');
+assert.deepEqual(noSparse, { a: ['b', 'c'] });
+```
+
+You may also use `allowSparse` option to parse sparse arrays:
+
+```javascript
+var sparseArray = qs.parse('a[1]=2&a[3]=5', { allowSparse: true });
+assert.deepEqual(sparseArray, { a: [, '2', , '5'] });
+```
+
+Note that an empty string is also a value, and will be preserved:
+
+```javascript
+var withEmptyString = qs.parse('a[]=&a[]=b');
+assert.deepEqual(withEmptyString, { a: ['', 'b'] });
+
+var withIndexedEmptyString = qs.parse('a[0]=b&a[1]=&a[2]=c');
+assert.deepEqual(withIndexedEmptyString, { a: ['b', '', 'c'] });
+```
+
+**qs** will also limit specifying indices in an array to a maximum index of `20`.
+Any array members with an index of greater than `20` will instead be converted to an object with the index as the key.
+This is needed to handle cases when someone sent, for example, `a[999999999]` and it will take significant time to iterate over this huge array.
+
+```javascript
+var withMaxIndex = qs.parse('a[100]=b');
+assert.deepEqual(withMaxIndex, { a: { '100': 'b' } });
+```
+
+This limit can be overridden by passing an `arrayLimit` option:
+
+```javascript
+var withArrayLimit = qs.parse('a[1]=b', { arrayLimit: 0 });
+assert.deepEqual(withArrayLimit, { a: { '1': 'b' } });
+```
+
+To disable array parsing entirely, set `parseArrays` to `false`.
+
+```javascript
+var noParsingArrays = qs.parse('a[]=b', { parseArrays: false });
+assert.deepEqual(noParsingArrays, { a: { '0': 'b' } });
+```
+
+If you mix notations, **qs** will merge the two items into an object:
+
+```javascript
+var mixedNotation = qs.parse('a[0]=b&a[b]=c');
+assert.deepEqual(mixedNotation, { a: { '0': 'b', b: 'c' } });
+```
+
+You can also create arrays of objects:
+
+```javascript
+var arraysOfObjects = qs.parse('a[][b]=c');
+assert.deepEqual(arraysOfObjects, { a: [{ b: 'c' }] });
+```
+
+Some people use comma to join array, **qs** can parse it:
+```javascript
+var arraysOfObjects = qs.parse('a=b,c', { comma: true })
+assert.deepEqual(arraysOfObjects, { a: ['b', 'c'] })
+```
+(_this cannot convert nested objects, such as `a={b:1},{c:d}`_)
+
+### Parsing primitive/scalar values (numbers, booleans, null, etc)
+
+By default, all values are parsed as strings.
+This behavior will not change and is explained in [issue #91](https://github.com/ljharb/qs/issues/91).
+
+```javascript
+var primitiveValues = qs.parse('a=15&b=true&c=null');
+assert.deepEqual(primitiveValues, { a: '15', b: 'true', c: 'null' });
+```
+
+If you wish to auto-convert values which look like numbers, booleans, and other values into their primitive counterparts, you can use the [query-types Express JS middleware](https://github.com/xpepermint/query-types) which will auto-convert all request query parameters.
+
+### Stringifying
+
+[](#preventEval)
+```javascript
+qs.stringify(object, [options]);
+```
+
+When stringifying, **qs** by default URI encodes output. Objects are stringified as you would expect:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b' }), 'a=b');
+assert.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+```
+
+This encoding can be disabled by setting the `encode` option to `false`:
+
+```javascript
+var unencoded = qs.stringify({ a: { b: 'c' } }, { encode: false });
+assert.equal(unencoded, 'a[b]=c');
+```
+
+Encoding can be disabled for keys by setting the `encodeValuesOnly` option to `true`:
+```javascript
+var encodedValues = qs.stringify(
+    { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+    { encodeValuesOnly: true }
+);
+assert.equal(encodedValues,'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h');
+```
+
+This encoding can also be replaced by a custom encoding method set as `encoder` option:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str) {
+    // Passed in values `a`, `b`, `c`
+    return // Return encoded string
+}})
+```
+
+_(Note: the `encoder` option does not apply if `encode` is `false`)_
+
+Analogue to the `encoder` there is a `decoder` option for `parse` to override decoding of properties and values:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str) {
+    // Passed in values `x`, `z`
+    return // Return decoded string
+}})
+```
+
+You can encode keys and values using different logic by using the type argument provided to the encoder:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str, defaultEncoder, charset, type) {
+    if (type === 'key') {
+        return // Encoded key
+    } else if (type === 'value') {
+        return // Encoded value
+    }
+}})
+```
+
+The type argument is also provided to the decoder:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str, defaultDecoder, charset, type) {
+    if (type === 'key') {
+        return // Decoded key
+    } else if (type === 'value') {
+        return // Decoded value
+    }
+}})
+```
+
+Examples beyond this point will be shown as though the output is not URI encoded for clarity.
+Please note that the return values in these cases *will* be URI encoded during real usage.
+
+When arrays are stringified, they follow the `arrayFormat` option, which defaults to `indices`:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] });
+// 'a[0]=b&a[1]=c&a[2]=d'
+```
+
+You may override this by setting the `indices` option to `false`, or to be more explicit, the `arrayFormat` option to `repeat`:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false });
+// 'a=b&a=c&a=d'
+```
+
+You may use the `arrayFormat` option to specify the format of the output array:
+
+```javascript
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' })
+// 'a[0]=b&a[1]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' })
+// 'a[]=b&a[]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' })
+// 'a=b&a=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'comma' })
+// 'a=b,c'
+```
+
+Note: when using `arrayFormat` set to `'comma'`, you can also pass the `commaRoundTrip` option set to `true` or `false`, to append `[]` on single-item arrays, so that they can round trip through a parse.
+
+When objects are stringified, by default they use bracket notation:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } });
+// 'a[b][c]=d&a[b][e]=f'
+```
+
+You may override this to use dot notation by setting the `allowDots` option to `true`:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } }, { allowDots: true });
+// 'a.b.c=d&a.b.e=f'
+```
+
+You may encode the dot notation in the keys of object with option `encodeDotInKeys` by setting it to `true`:
+Note: it implies `allowDots`, so `stringify` will error if you set `decodeDotInKeys` to `true`, and `allowDots` to `false`.
+Caveat: when `encodeValuesOnly` is `true` as well as `encodeDotInKeys`, only dots in keys and nothing else will be encoded.
+```javascript
+qs.stringify({ "name.obj": { "first": "John", "last": "Doe" } }, { allowDots: true, encodeDotInKeys: true })
+// 'name%252Eobj.first=John&name%252Eobj.last=Doe'
+```
+
+You may allow empty array values by setting the `allowEmptyArrays` option to `true`:
+```javascript
+qs.stringify({ foo: [], bar: 'baz' }, { allowEmptyArrays: true });
+// 'foo[]&bar=baz'
+```
+
+Empty strings and null values will omit the value, but the equals sign (=) remains in place:
+
+```javascript
+assert.equal(qs.stringify({ a: '' }), 'a=');
+```
+
+Key with no values (such as an empty object or array) will return nothing:
+
+```javascript
+assert.equal(qs.stringify({ a: [] }), '');
+assert.equal(qs.stringify({ a: {} }), '');
+assert.equal(qs.stringify({ a: [{}] }), '');
+assert.equal(qs.stringify({ a: { b: []} }), '');
+assert.equal(qs.stringify({ a: { b: {}} }), '');
+```
+
+Properties that are set to `undefined` will be omitted entirely:
+
+```javascript
+assert.equal(qs.stringify({ a: null, b: undefined }), 'a=');
+```
+
+The query string may optionally be prepended with a question mark:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { addQueryPrefix: true }), '?a=b&c=d');
+```
+
+The delimiter may be overridden with stringify as well:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+```
+
+If you only want to override the serialization of `Date` objects, you can provide a `serializeDate` option:
+
+```javascript
+var date = new Date(7);
+assert.equal(qs.stringify({ a: date }), 'a=1970-01-01T00:00:00.007Z'.replace(/:/g, '%3A'));
+assert.equal(
+    qs.stringify({ a: date }, { serializeDate: function (d) { return d.getTime(); } }),
+    'a=7'
+);
+```
+
+You may use the `sort` option to affect the order of parameter keys:
+
+```javascript
+function alphabeticalSort(a, b) {
+    return a.localeCompare(b);
+}
+assert.equal(qs.stringify({ a: 'c', z: 'y', b : 'f' }, { sort: alphabeticalSort }), 'a=c&b=f&z=y');
+```
+
+Finally, you can use the `filter` option to restrict which keys will be included in the stringified output.
+If you pass a function, it will be called for each key to obtain the replacement value.
+Otherwise, if you pass an array, it will be used to select properties and array indices for stringification:
+
+```javascript
+function filterFunc(prefix, value) {
+    if (prefix == 'b') {
+        // Return an `undefined` value to omit a property.
+        return;
+    }
+    if (prefix == 'e[f]') {
+        return value.getTime();
+    }
+    if (prefix == 'e[g][0]') {
+        return value * 2;
+    }
+    return value;
+}
+qs.stringify({ a: 'b', c: 'd', e: { f: new Date(123), g: [2] } }, { filter: filterFunc });
+// 'a=b&c=d&e[f]=123&e[g][0]=4'
+qs.stringify({ a: 'b', c: 'd', e: 'f' }, { filter: ['a', 'e'] });
+// 'a=b&e=f'
+qs.stringify({ a: ['b', 'c', 'd'], e: 'f' }, { filter: ['a', 0, 2] });
+// 'a[0]=b&a[2]=d'
+```
+
+You could also use `filter` to inject custom serialization for user defined types.
+Consider you're working with some api that expects query strings of the format for ranges:
+
+```
+https://domain.com/endpoint?range=30...70
+```
+
+For which you model as:
+
+```javascript
+class Range {
+    constructor(from, to) {
+        this.from = from;
+        this.to = to;
+    }
+}
+```
+
+You could _inject_ a custom serializer to handle values of this type:
+
+```javascript
+qs.stringify(
+    {
+        range: new Range(30, 70),
+    },
+    {
+        filter: (prefix, value) => {
+            if (value instanceof Range) {
+                return `${value.from}...${value.to}`;
+            }
+            // serialize the usual way
+            return value;
+        },
+    }
+);
+// range=30...70
+```
+
+### Handling of `null` values
+
+By default, `null` values are treated like empty strings:
+
+```javascript
+var withNull = qs.stringify({ a: null, b: '' });
+assert.equal(withNull, 'a=&b=');
+```
+
+Parsing does not distinguish between parameters with and without equal signs.
+Both are converted to empty strings.
+
+```javascript
+var equalsInsensitive = qs.parse('a&b=');
+assert.deepEqual(equalsInsensitive, { a: '', b: '' });
+```
+
+To distinguish between `null` values and empty strings use the `strictNullHandling` flag. In the result string the `null`
+values have no `=` sign:
+
+```javascript
+var strictNull = qs.stringify({ a: null, b: '' }, { strictNullHandling: true });
+assert.equal(strictNull, 'a&b=');
+```
+
+To parse values without `=` back to `null` use the `strictNullHandling` flag:
+
+```javascript
+var parsedStrictNull = qs.parse('a&b=', { strictNullHandling: true });
+assert.deepEqual(parsedStrictNull, { a: null, b: '' });
+```
+
+To completely skip rendering keys with `null` values, use the `skipNulls` flag:
+
+```javascript
+var nullsSkipped = qs.stringify({ a: 'b', c: null}, { skipNulls: true });
+assert.equal(nullsSkipped, 'a=b');
+```
+
+If you're communicating with legacy systems, you can switch to `iso-8859-1` using the `charset` option:
+
+```javascript
+var iso = qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' });
+assert.equal(iso, '%E6=%E6');
+```
+
+Characters that don't exist in `iso-8859-1` will be converted to numeric entities, similar to what browsers do:
+
+```javascript
+var numeric = qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' });
+assert.equal(numeric, 'a=%26%239786%3B');
+```
+
+You can use the `charsetSentinel` option to announce the character by including an `utf8=✓` parameter with the proper encoding if the checkmark, similar to what Ruby on Rails and others do when submitting forms.
+
+```javascript
+var sentinel = qs.stringify({ a: '☺' }, { charsetSentinel: true });
+assert.equal(sentinel, 'utf8=%E2%9C%93&a=%E2%98%BA');
+
+var isoSentinel = qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' });
+assert.equal(isoSentinel, 'utf8=%26%2310003%3B&a=%E6');
+```
+
+### Dealing with special character sets
+
+By default the encoding and decoding of characters is done in `utf-8`, and `iso-8859-1` support is also built in via the `charset` parameter.
+
+If you wish to encode querystrings to a different character set (i.e.
+[Shift JIS](https://en.wikipedia.org/wiki/Shift_JIS)) you can use the
+[`qs-iconv`](https://github.com/martinheidegger/qs-iconv) library:
+
+```javascript
+var encoder = require('qs-iconv/encoder')('shift_jis');
+var shiftJISEncoded = qs.stringify({ a: 'こんにちは！' }, { encoder: encoder });
+assert.equal(shiftJISEncoded, 'a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I');
+```
+
+This also works for decoding of query strings:
+
+```javascript
+var decoder = require('qs-iconv/decoder')('shift_jis');
+var obj = qs.parse('a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I', { decoder: decoder });
+assert.deepEqual(obj, { a: 'こんにちは！' });
+```
+
+### RFC 3986 and RFC 1738 space encoding
+
+RFC3986 used as default option and encodes ' ' to *%20* which is backward compatible.
+In the same time, output can be stringified as per RFC1738 with ' ' equal to '+'.
+
+```
+assert.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC3986' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC1738' }), 'a=b+c');
+```
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+## qs for enterprise
+
+Available as part of the Tidelift Subscription
+
+The maintainers of qs and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications.
+Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use.
+[Learn more.](https://tidelift.com/subscription/pkg/npm-qs?utm_source=npm-qs&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+[package-url]: https://npmjs.org/package/qs
+[npm-version-svg]: https://versionbadg.es/ljharb/qs.svg
+[deps-svg]: https://david-dm.org/ljharb/qs.svg
+[deps-url]: https://david-dm.org/ljharb/qs
+[dev-deps-svg]: https://david-dm.org/ljharb/qs/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/qs#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/qs.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/qs.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/qs.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=qs
+[codecov-image]: https://codecov.io/gh/ljharb/qs/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/qs/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/qs
+[actions-url]: https://github.com/ljharb/qs/actions
+
+## Acknowledgements
+
+qs logo by [NUMI](https://github.com/numi-hq/open-design):
+
+[<img src="https://raw.githubusercontent.com/numi-hq/open-design/main/assets/numi-lockup.png" alt="NUMI Logo" style="width: 200px;"/>](https://numi.tech/?ref=qs)
diff --git a/web/public/node_modules/qs/dist/qs.js b/web/public/node_modules/qs/dist/qs.js
new file mode 100644
index 000000000..0483f15cf
--- /dev/null
+++ b/web/public/node_modules/qs/dist/qs.js
@@ -0,0 +1,90 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Qs = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+"use strict";var replace=String.prototype.replace,percentTwenties=/%20/g,Format={RFC1738:"RFC1738",RFC3986:"RFC3986"};module.exports={default:Format.RFC3986,formatters:{RFC1738:function(e){return replace.call(e,percentTwenties,"+")},RFC3986:function(e){return String(e)}},RFC1738:Format.RFC1738,RFC3986:Format.RFC3986};
+
+},{}],2:[function(require,module,exports){
+"use strict";var stringify=require(4),parse=require(3),formats=require(1);module.exports={formats:formats,parse:parse,stringify:stringify};
+
+},{"1":1,"3":3,"4":4}],3:[function(require,module,exports){
+"use strict";var utils=require(5),has=Object.prototype.hasOwnProperty,isArray=Array.isArray,defaults={allowDots:!1,allowEmptyArrays:!1,allowPrototypes:!1,allowSparse:!1,arrayLimit:20,charset:"utf-8",charsetSentinel:!1,comma:!1,decodeDotInKeys:!1,decoder:utils.decode,delimiter:"&",depth:5,duplicates:"combine",ignoreQueryPrefix:!1,interpretNumericEntities:!1,parameterLimit:1e3,parseArrays:!0,plainObjects:!1,strictNullHandling:!1},interpretNumericEntities=function(e){return e.replace(/&#(\d+);/g,(function(e,t){return String.fromCharCode(parseInt(t,10))}))},parseArrayValue=function(e,t){return e&&"string"==typeof e&&t.comma&&e.indexOf(",")>-1?e.split(","):e},isoSentinel="utf8=%26%2310003%3B",charsetSentinel="utf8=%E2%9C%93",parseValues=function parseQueryStringValues(e,t){var r={__proto__:null},a=t.ignoreQueryPrefix?e.replace(/^\?/,""):e;a=a.replace(/%5B/gi,"[").replace(/%5D/gi,"]");var i,o=t.parameterLimit===1/0?void 0:t.parameterLimit,l=a.split(t.delimiter,o),s=-1,n=t.charset;if(t.charsetSentinel)for(i=0;i<l.length;++i)0===l[i].indexOf("utf8=")&&(l[i]===charsetSentinel?n="utf-8":l[i]===isoSentinel&&(n="iso-8859-1"),s=i,i=l.length);for(i=0;i<l.length;++i)if(i!==s){var p,c,d=l[i],u=d.indexOf("]="),y=-1===u?d.indexOf("="):u+1;-1===y?(p=t.decoder(d,defaults.decoder,n,"key"),c=t.strictNullHandling?null:""):(p=t.decoder(d.slice(0,y),defaults.decoder,n,"key"),c=utils.maybeMap(parseArrayValue(d.slice(y+1),t),(function(e){return t.decoder(e,defaults.decoder,n,"value")}))),c&&t.interpretNumericEntities&&"iso-8859-1"===n&&(c=interpretNumericEntities(c)),d.indexOf("[]=")>-1&&(c=isArray(c)?[c]:c);var f=has.call(r,p);f&&"combine"===t.duplicates?r[p]=utils.combine(r[p],c):f&&"last"!==t.duplicates||(r[p]=c)}return r},parseObject=function(e,t,r,a){for(var i=a?t:parseArrayValue(t,r),o=e.length-1;o>=0;--o){var l,s=e[o];if("[]"===s&&r.parseArrays)l=r.allowEmptyArrays&&(""===i||r.strictNullHandling&&null===i)?[]:[].concat(i);else{l=r.plainObjects?Object.create(null):{};var n="["===s.charAt(0)&&"]"===s.charAt(s.length-1)?s.slice(1,-1):s,p=r.decodeDotInKeys?n.replace(/%2E/g,"."):n,c=parseInt(p,10);r.parseArrays||""!==p?!isNaN(c)&&s!==p&&String(c)===p&&c>=0&&r.parseArrays&&c<=r.arrayLimit?(l=[])[c]=i:"__proto__"!==p&&(l[p]=i):l={0:i}}i=l}return i},parseKeys=function parseQueryStringKeys(e,t,r,a){if(e){var i=r.allowDots?e.replace(/\.([^.[]+)/g,"[$1]"):e,o=/(\[[^[\]]*])/g,l=r.depth>0&&/(\[[^[\]]*])/.exec(i),s=l?i.slice(0,l.index):i,n=[];if(s){if(!r.plainObjects&&has.call(Object.prototype,s)&&!r.allowPrototypes)return;n.push(s)}for(var p=0;r.depth>0&&null!==(l=o.exec(i))&&p<r.depth;){if(p+=1,!r.plainObjects&&has.call(Object.prototype,l[1].slice(1,-1))&&!r.allowPrototypes)return;n.push(l[1])}return l&&n.push("["+i.slice(l.index)+"]"),parseObject(n,t,r,a)}},normalizeParseOptions=function normalizeParseOptions(e){if(!e)return defaults;if(void 0!==e.allowEmptyArrays&&"boolean"!=typeof e.allowEmptyArrays)throw new TypeError("`allowEmptyArrays` option can only be `true` or `false`, when provided");if(void 0!==e.decodeDotInKeys&&"boolean"!=typeof e.decodeDotInKeys)throw new TypeError("`decodeDotInKeys` option can only be `true` or `false`, when provided");if(null!==e.decoder&&void 0!==e.decoder&&"function"!=typeof e.decoder)throw new TypeError("Decoder has to be a function.");if(void 0!==e.charset&&"utf-8"!==e.charset&&"iso-8859-1"!==e.charset)throw new TypeError("The charset option must be either utf-8, iso-8859-1, or undefined");var t=void 0===e.charset?defaults.charset:e.charset,r=void 0===e.duplicates?defaults.duplicates:e.duplicates;if("combine"!==r&&"first"!==r&&"last"!==r)throw new TypeError("The duplicates option must be either combine, first, or last");return{allowDots:void 0===e.allowDots?!0===e.decodeDotInKeys||defaults.allowDots:!!e.allowDots,allowEmptyArrays:"boolean"==typeof e.allowEmptyArrays?!!e.allowEmptyArrays:defaults.allowEmptyArrays,allowPrototypes:"boolean"==typeof e.allowPrototypes?e.allowPrototypes:defaults.allowPrototypes,allowSparse:"boolean"==typeof e.allowSparse?e.allowSparse:defaults.allowSparse,arrayLimit:"number"==typeof e.arrayLimit?e.arrayLimit:defaults.arrayLimit,charset:t,charsetSentinel:"boolean"==typeof e.charsetSentinel?e.charsetSentinel:defaults.charsetSentinel,comma:"boolean"==typeof e.comma?e.comma:defaults.comma,decodeDotInKeys:"boolean"==typeof e.decodeDotInKeys?e.decodeDotInKeys:defaults.decodeDotInKeys,decoder:"function"==typeof e.decoder?e.decoder:defaults.decoder,delimiter:"string"==typeof e.delimiter||utils.isRegExp(e.delimiter)?e.delimiter:defaults.delimiter,depth:"number"==typeof e.depth||!1===e.depth?+e.depth:defaults.depth,duplicates:r,ignoreQueryPrefix:!0===e.ignoreQueryPrefix,interpretNumericEntities:"boolean"==typeof e.interpretNumericEntities?e.interpretNumericEntities:defaults.interpretNumericEntities,parameterLimit:"number"==typeof e.parameterLimit?e.parameterLimit:defaults.parameterLimit,parseArrays:!1!==e.parseArrays,plainObjects:"boolean"==typeof e.plainObjects?e.plainObjects:defaults.plainObjects,strictNullHandling:"boolean"==typeof e.strictNullHandling?e.strictNullHandling:defaults.strictNullHandling}};module.exports=function(e,t){var r=normalizeParseOptions(t);if(""===e||null==e)return r.plainObjects?Object.create(null):{};for(var a="string"==typeof e?parseValues(e,r):e,i=r.plainObjects?Object.create(null):{},o=Object.keys(a),l=0;l<o.length;++l){var s=o[l],n=parseKeys(s,a[s],r,"string"==typeof e);i=utils.merge(i,n,r)}return!0===r.allowSparse?i:utils.compact(i)};
+
+},{"5":5}],4:[function(require,module,exports){
+"use strict";var getSideChannel=require(29),utils=require(5),formats=require(1),has=Object.prototype.hasOwnProperty,arrayPrefixGenerators={brackets:function brackets(e){return e+"[]"},comma:"comma",indices:function indices(e,r){return e+"["+r+"]"},repeat:function repeat(e){return e}},isArray=Array.isArray,push=Array.prototype.push,pushToArray=function(e,r){push.apply(e,isArray(r)?r:[r])},toISO=Date.prototype.toISOString,defaultFormat=formats.default,defaults={addQueryPrefix:!1,allowDots:!1,allowEmptyArrays:!1,arrayFormat:"indices",charset:"utf-8",charsetSentinel:!1,delimiter:"&",encode:!0,encodeDotInKeys:!1,encoder:utils.encode,encodeValuesOnly:!1,format:defaultFormat,formatter:formats.formatters[defaultFormat],indices:!1,serializeDate:function serializeDate(e){return toISO.call(e)},skipNulls:!1,strictNullHandling:!1},isNonNullishPrimitive=function isNonNullishPrimitive(e){return"string"==typeof e||"number"==typeof e||"boolean"==typeof e||"symbol"==typeof e||"bigint"==typeof e},sentinel={},stringify=function stringify(e,r,t,o,a,n,i,l,s,f,u,d,y,c,p,m,h,v){for(var w=e,b=v,g=0,A=!1;void 0!==(b=b.get(sentinel))&&!A;){var D=b.get(e);if(g+=1,void 0!==D){if(D===g)throw new RangeError("Cyclic object value");A=!0}void 0===b.get(sentinel)&&(g=0)}if("function"==typeof f?w=f(r,w):w instanceof Date?w=y(w):"comma"===t&&isArray(w)&&(w=utils.maybeMap(w,(function(e){return e instanceof Date?y(e):e}))),null===w){if(n)return s&&!m?s(r,defaults.encoder,h,"key",c):r;w=""}if(isNonNullishPrimitive(w)||utils.isBuffer(w))return s?[p(m?r:s(r,defaults.encoder,h,"key",c))+"="+p(s(w,defaults.encoder,h,"value",c))]:[p(r)+"="+p(String(w))];var E,N=[];if(void 0===w)return N;if("comma"===t&&isArray(w))m&&s&&(w=utils.maybeMap(w,s)),E=[{value:w.length>0?w.join(",")||null:void 0}];else if(isArray(f))E=f;else{var S=Object.keys(w);E=u?S.sort(u):S}var O=l?r.replace(/\./g,"%2E"):r,T=o&&isArray(w)&&1===w.length?O+"[]":O;if(a&&isArray(w)&&0===w.length)return T+"[]";for(var k=0;k<E.length;++k){var I=E[k],P="object"==typeof I&&void 0!==I.value?I.value:w[I];if(!i||null!==P){var x=d&&l?I.replace(/\./g,"%2E"):I,z=isArray(w)?"function"==typeof t?t(T,x):T:T+(d?"."+x:"["+x+"]");v.set(e,g);var K=getSideChannel();K.set(sentinel,v),pushToArray(N,stringify(P,z,t,o,a,n,i,l,"comma"===t&&m&&isArray(w)?null:s,f,u,d,y,c,p,m,h,K))}}return N},normalizeStringifyOptions=function normalizeStringifyOptions(e){if(!e)return defaults;if(void 0!==e.allowEmptyArrays&&"boolean"!=typeof e.allowEmptyArrays)throw new TypeError("`allowEmptyArrays` option can only be `true` or `false`, when provided");if(void 0!==e.encodeDotInKeys&&"boolean"!=typeof e.encodeDotInKeys)throw new TypeError("`encodeDotInKeys` option can only be `true` or `false`, when provided");if(null!==e.encoder&&void 0!==e.encoder&&"function"!=typeof e.encoder)throw new TypeError("Encoder has to be a function.");var r=e.charset||defaults.charset;if(void 0!==e.charset&&"utf-8"!==e.charset&&"iso-8859-1"!==e.charset)throw new TypeError("The charset option must be either utf-8, iso-8859-1, or undefined");var t=formats.default;if(void 0!==e.format){if(!has.call(formats.formatters,e.format))throw new TypeError("Unknown format option provided.");t=e.format}var o,a=formats.formatters[t],n=defaults.filter;if(("function"==typeof e.filter||isArray(e.filter))&&(n=e.filter),o=e.arrayFormat in arrayPrefixGenerators?e.arrayFormat:"indices"in e?e.indices?"indices":"repeat":defaults.arrayFormat,"commaRoundTrip"in e&&"boolean"!=typeof e.commaRoundTrip)throw new TypeError("`commaRoundTrip` must be a boolean, or absent");var i=void 0===e.allowDots?!0===e.encodeDotInKeys||defaults.allowDots:!!e.allowDots;return{addQueryPrefix:"boolean"==typeof e.addQueryPrefix?e.addQueryPrefix:defaults.addQueryPrefix,allowDots:i,allowEmptyArrays:"boolean"==typeof e.allowEmptyArrays?!!e.allowEmptyArrays:defaults.allowEmptyArrays,arrayFormat:o,charset:r,charsetSentinel:"boolean"==typeof e.charsetSentinel?e.charsetSentinel:defaults.charsetSentinel,commaRoundTrip:e.commaRoundTrip,delimiter:void 0===e.delimiter?defaults.delimiter:e.delimiter,encode:"boolean"==typeof e.encode?e.encode:defaults.encode,encodeDotInKeys:"boolean"==typeof e.encodeDotInKeys?e.encodeDotInKeys:defaults.encodeDotInKeys,encoder:"function"==typeof e.encoder?e.encoder:defaults.encoder,encodeValuesOnly:"boolean"==typeof e.encodeValuesOnly?e.encodeValuesOnly:defaults.encodeValuesOnly,filter:n,format:t,formatter:a,serializeDate:"function"==typeof e.serializeDate?e.serializeDate:defaults.serializeDate,skipNulls:"boolean"==typeof e.skipNulls?e.skipNulls:defaults.skipNulls,sort:"function"==typeof e.sort?e.sort:null,strictNullHandling:"boolean"==typeof e.strictNullHandling?e.strictNullHandling:defaults.strictNullHandling}};module.exports=function(e,r){var t,o=e,a=normalizeStringifyOptions(r);"function"==typeof a.filter?o=(0,a.filter)("",o):isArray(a.filter)&&(t=a.filter);var n=[];if("object"!=typeof o||null===o)return"";var i=arrayPrefixGenerators[a.arrayFormat],l="comma"===i&&a.commaRoundTrip;t||(t=Object.keys(o)),a.sort&&t.sort(a.sort);for(var s=getSideChannel(),f=0;f<t.length;++f){var u=t[f];a.skipNulls&&null===o[u]||pushToArray(n,stringify(o[u],u,i,l,a.allowEmptyArrays,a.strictNullHandling,a.skipNulls,a.encodeDotInKeys,a.encode?a.encoder:null,a.filter,a.sort,a.allowDots,a.serializeDate,a.format,a.formatter,a.encodeValuesOnly,a.charset,s))}var d=n.join(a.delimiter),y=!0===a.addQueryPrefix?"?":"";return a.charsetSentinel&&("iso-8859-1"===a.charset?y+="utf8=%26%2310003%3B&":y+="utf8=%E2%9C%93&"),d.length>0?y+d:""};
+
+},{"1":1,"29":29,"5":5}],5:[function(require,module,exports){
+"use strict";var formats=require(1),has=Object.prototype.hasOwnProperty,isArray=Array.isArray,hexTable=function(){for(var e=[],r=0;r<256;++r)e.push("%"+((r<16?"0":"")+r.toString(16)).toUpperCase());return e}(),compactQueue=function compactQueue(e){for(;e.length>1;){var r=e.pop(),t=r.obj[r.prop];if(isArray(t)){for(var o=[],n=0;n<t.length;++n)void 0!==t[n]&&o.push(t[n]);r.obj[r.prop]=o}}},arrayToObject=function arrayToObject(e,r){for(var t=r&&r.plainObjects?Object.create(null):{},o=0;o<e.length;++o)void 0!==e[o]&&(t[o]=e[o]);return t},merge=function merge(e,r,t){if(!r)return e;if("object"!=typeof r){if(isArray(e))e.push(r);else{if(!e||"object"!=typeof e)return[e,r];(t&&(t.plainObjects||t.allowPrototypes)||!has.call(Object.prototype,r))&&(e[r]=!0)}return e}if(!e||"object"!=typeof e)return[e].concat(r);var o=e;return isArray(e)&&!isArray(r)&&(o=arrayToObject(e,t)),isArray(e)&&isArray(r)?(r.forEach((function(r,o){if(has.call(e,o)){var n=e[o];n&&"object"==typeof n&&r&&"object"==typeof r?e[o]=merge(n,r,t):e.push(r)}else e[o]=r})),e):Object.keys(r).reduce((function(e,o){var n=r[o];return has.call(e,o)?e[o]=merge(e[o],n,t):e[o]=n,e}),o)},assign=function assignSingleSource(e,r){return Object.keys(r).reduce((function(e,t){return e[t]=r[t],e}),e)},decode=function(e,r,t){var o=e.replace(/\+/g," ");if("iso-8859-1"===t)return o.replace(/%[0-9a-f]{2}/gi,unescape);try{return decodeURIComponent(o)}catch(e){return o}},limit=1024,encode=function encode(e,r,t,o,n){if(0===e.length)return e;var a=e;if("symbol"==typeof e?a=Symbol.prototype.toString.call(e):"string"!=typeof e&&(a=String(e)),"iso-8859-1"===t)return escape(a).replace(/%u[0-9a-f]{4}/gi,(function(e){return"%26%23"+parseInt(e.slice(2),16)+"%3B"}));for(var c="",i=0;i<a.length;i+=limit){for(var u=a.length>=limit?a.slice(i,i+limit):a,p=[],s=0;s<u.length;++s){var f=u.charCodeAt(s);45===f||46===f||95===f||126===f||f>=48&&f<=57||f>=65&&f<=90||f>=97&&f<=122||n===formats.RFC1738&&(40===f||41===f)?p[p.length]=u.charAt(s):f<128?p[p.length]=hexTable[f]:f<2048?p[p.length]=hexTable[192|f>>6]+hexTable[128|63&f]:f<55296||f>=57344?p[p.length]=hexTable[224|f>>12]+hexTable[128|f>>6&63]+hexTable[128|63&f]:(s+=1,f=65536+((1023&f)<<10|1023&u.charCodeAt(s)),p[p.length]=hexTable[240|f>>18]+hexTable[128|f>>12&63]+hexTable[128|f>>6&63]+hexTable[128|63&f])}c+=p.join("")}return c},compact=function compact(e){for(var r=[{obj:{o:e},prop:"o"}],t=[],o=0;o<r.length;++o)for(var n=r[o],a=n.obj[n.prop],c=Object.keys(a),i=0;i<c.length;++i){var u=c[i],p=a[u];"object"==typeof p&&null!==p&&-1===t.indexOf(p)&&(r.push({obj:a,prop:u}),t.push(p))}return compactQueue(r),e},isRegExp=function isRegExp(e){return"[object RegExp]"===Object.prototype.toString.call(e)},isBuffer=function isBuffer(e){return!(!e||"object"!=typeof e||!(e.constructor&&e.constructor.isBuffer&&e.constructor.isBuffer(e)))},combine=function combine(e,r){return[].concat(e,r)},maybeMap=function maybeMap(e,r){if(isArray(e)){for(var t=[],o=0;o<e.length;o+=1)t.push(r(e[o]));return t}return r(e)};module.exports={/* common-shake removed: arrayToObject:arrayToObject *//* common-shake removed: assign:assign */combine:combine,compact:compact,decode:decode,encode:encode,isBuffer:isBuffer,isRegExp:isRegExp,maybeMap:maybeMap,merge:merge};
+
+},{"1":1}],29:[function(require,module,exports){
+"use strict";var GetIntrinsic=require(20),callBound=require(7),inspect=require(27),$TypeError=require(16),$WeakMap=GetIntrinsic("%WeakMap%",!0),$Map=GetIntrinsic("%Map%",!0),$weakMapGet=callBound("WeakMap.prototype.get",!0),$weakMapSet=callBound("WeakMap.prototype.set",!0),$weakMapHas=callBound("WeakMap.prototype.has",!0),$mapGet=callBound("Map.prototype.get",!0),$mapSet=callBound("Map.prototype.set",!0),$mapHas=callBound("Map.prototype.has",!0),listGetNode=function(e,t){for(var n,a=e;null!==(n=a.next);a=n)if(n.key===t)return a.next=n.next,n.next=e.next,e.next=n,n},listGet=function(e,t){var n=listGetNode(e,t);return n&&n.value},listSet=function(e,t,n){var a=listGetNode(e,t);a?a.value=n:e.next={key:t,next:e.next,value:n}},listHas=function(e,t){return!!listGetNode(e,t)};module.exports=function getSideChannel(){var e,t,n,a={assert:function(e){if(!a.has(e))throw new $TypeError("Side channel does not contain "+inspect(e))},get:function(a){if($WeakMap&&a&&("object"==typeof a||"function"==typeof a)){if(e)return $weakMapGet(e,a)}else if($Map){if(t)return $mapGet(t,a)}else if(n)return listGet(n,a)},has:function(a){if($WeakMap&&a&&("object"==typeof a||"function"==typeof a)){if(e)return $weakMapHas(e,a)}else if($Map){if(t)return $mapHas(t,a)}else if(n)return listHas(n,a);return!1},set:function(a,r){$WeakMap&&a&&("object"==typeof a||"function"==typeof a)?(e||(e=new $WeakMap),$weakMapSet(e,a,r)):$Map?(t||(t=new $Map),$mapSet(t,a,r)):(n||(n={key:{},next:null}),listSet(n,a,r))}};return a};
+
+},{"16":16,"20":20,"27":27,"7":7}],6:[function(require,module,exports){
+
+},{}],7:[function(require,module,exports){
+"use strict";var GetIntrinsic=require(20),callBind=require(8),$indexOf=callBind(GetIntrinsic("String.prototype.indexOf"));module.exports=function callBoundIntrinsic(i,n){var t=GetIntrinsic(i,!!n);return"function"==typeof t&&$indexOf(i,".prototype.")>-1?callBind(t):t};
+
+},{"20":20,"8":8}],20:[function(require,module,exports){
+"use strict";var undefined,$Error=require(12),$EvalError=require(11),$RangeError=require(13),$ReferenceError=require(14),$SyntaxError=require(15),$TypeError=require(16),$URIError=require(17),$Function=Function,getEvalledConstructor=function(r){try{return $Function('"use strict"; return ('+r+").constructor;")()}catch(r){}},$gOPD=Object.getOwnPropertyDescriptor;if($gOPD)try{$gOPD({},"")}catch(r){$gOPD=null}var throwTypeError=function(){throw new $TypeError},ThrowTypeError=$gOPD?function(){try{return throwTypeError}catch(r){try{return $gOPD(arguments,"callee").get}catch(r){return throwTypeError}}}():throwTypeError,hasSymbols=require(24)(),hasProto=require(23)(),getProto=Object.getPrototypeOf||(hasProto?function(r){return r.__proto__}:null),needsEval={},TypedArray="undefined"!=typeof Uint8Array&&getProto?getProto(Uint8Array):undefined,INTRINSICS={__proto__:null,"%AggregateError%":"undefined"==typeof AggregateError?undefined:AggregateError,"%Array%":Array,"%ArrayBuffer%":"undefined"==typeof ArrayBuffer?undefined:ArrayBuffer,"%ArrayIteratorPrototype%":hasSymbols&&getProto?getProto([][Symbol.iterator]()):undefined,"%AsyncFromSyncIteratorPrototype%":undefined,"%AsyncFunction%":needsEval,"%AsyncGenerator%":needsEval,"%AsyncGeneratorFunction%":needsEval,"%AsyncIteratorPrototype%":needsEval,"%Atomics%":"undefined"==typeof Atomics?undefined:Atomics,"%BigInt%":"undefined"==typeof BigInt?undefined:BigInt,"%BigInt64Array%":"undefined"==typeof BigInt64Array?undefined:BigInt64Array,"%BigUint64Array%":"undefined"==typeof BigUint64Array?undefined:BigUint64Array,"%Boolean%":Boolean,"%DataView%":"undefined"==typeof DataView?undefined:DataView,"%Date%":Date,"%decodeURI%":decodeURI,"%decodeURIComponent%":decodeURIComponent,"%encodeURI%":encodeURI,"%encodeURIComponent%":encodeURIComponent,"%Error%":$Error,"%eval%":eval,"%EvalError%":$EvalError,"%Float32Array%":"undefined"==typeof Float32Array?undefined:Float32Array,"%Float64Array%":"undefined"==typeof Float64Array?undefined:Float64Array,"%FinalizationRegistry%":"undefined"==typeof FinalizationRegistry?undefined:FinalizationRegistry,"%Function%":$Function,"%GeneratorFunction%":needsEval,"%Int8Array%":"undefined"==typeof Int8Array?undefined:Int8Array,"%Int16Array%":"undefined"==typeof Int16Array?undefined:Int16Array,"%Int32Array%":"undefined"==typeof Int32Array?undefined:Int32Array,"%isFinite%":isFinite,"%isNaN%":isNaN,"%IteratorPrototype%":hasSymbols&&getProto?getProto(getProto([][Symbol.iterator]())):undefined,"%JSON%":"object"==typeof JSON?JSON:undefined,"%Map%":"undefined"==typeof Map?undefined:Map,"%MapIteratorPrototype%":"undefined"!=typeof Map&&hasSymbols&&getProto?getProto((new Map)[Symbol.iterator]()):undefined,"%Math%":Math,"%Number%":Number,"%Object%":Object,"%parseFloat%":parseFloat,"%parseInt%":parseInt,"%Promise%":"undefined"==typeof Promise?undefined:Promise,"%Proxy%":"undefined"==typeof Proxy?undefined:Proxy,"%RangeError%":$RangeError,"%ReferenceError%":$ReferenceError,"%Reflect%":"undefined"==typeof Reflect?undefined:Reflect,"%RegExp%":RegExp,"%Set%":"undefined"==typeof Set?undefined:Set,"%SetIteratorPrototype%":"undefined"!=typeof Set&&hasSymbols&&getProto?getProto((new Set)[Symbol.iterator]()):undefined,"%SharedArrayBuffer%":"undefined"==typeof SharedArrayBuffer?undefined:SharedArrayBuffer,"%String%":String,"%StringIteratorPrototype%":hasSymbols&&getProto?getProto(""[Symbol.iterator]()):undefined,"%Symbol%":hasSymbols?Symbol:undefined,"%SyntaxError%":$SyntaxError,"%ThrowTypeError%":ThrowTypeError,"%TypedArray%":TypedArray,"%TypeError%":$TypeError,"%Uint8Array%":"undefined"==typeof Uint8Array?undefined:Uint8Array,"%Uint8ClampedArray%":"undefined"==typeof Uint8ClampedArray?undefined:Uint8ClampedArray,"%Uint16Array%":"undefined"==typeof Uint16Array?undefined:Uint16Array,"%Uint32Array%":"undefined"==typeof Uint32Array?undefined:Uint32Array,"%URIError%":$URIError,"%WeakMap%":"undefined"==typeof WeakMap?undefined:WeakMap,"%WeakRef%":"undefined"==typeof WeakRef?undefined:WeakRef,"%WeakSet%":"undefined"==typeof WeakSet?undefined:WeakSet};if(getProto)try{null.error}catch(r){var errorProto=getProto(getProto(r));INTRINSICS["%Error.prototype%"]=errorProto}var doEval=function doEval(r){var e;if("%AsyncFunction%"===r)e=getEvalledConstructor("async function () {}");else if("%GeneratorFunction%"===r)e=getEvalledConstructor("function* () {}");else if("%AsyncGeneratorFunction%"===r)e=getEvalledConstructor("async function* () {}");else if("%AsyncGenerator%"===r){var t=doEval("%AsyncGeneratorFunction%");t&&(e=t.prototype)}else if("%AsyncIteratorPrototype%"===r){var o=doEval("%AsyncGenerator%");o&&getProto&&(e=getProto(o.prototype))}return INTRINSICS[r]=e,e},LEGACY_ALIASES={__proto__:null,"%ArrayBufferPrototype%":["ArrayBuffer","prototype"],"%ArrayPrototype%":["Array","prototype"],"%ArrayProto_entries%":["Array","prototype","entries"],"%ArrayProto_forEach%":["Array","prototype","forEach"],"%ArrayProto_keys%":["Array","prototype","keys"],"%ArrayProto_values%":["Array","prototype","values"],"%AsyncFunctionPrototype%":["AsyncFunction","prototype"],"%AsyncGenerator%":["AsyncGeneratorFunction","prototype"],"%AsyncGeneratorPrototype%":["AsyncGeneratorFunction","prototype","prototype"],"%BooleanPrototype%":["Boolean","prototype"],"%DataViewPrototype%":["DataView","prototype"],"%DatePrototype%":["Date","prototype"],"%ErrorPrototype%":["Error","prototype"],"%EvalErrorPrototype%":["EvalError","prototype"],"%Float32ArrayPrototype%":["Float32Array","prototype"],"%Float64ArrayPrototype%":["Float64Array","prototype"],"%FunctionPrototype%":["Function","prototype"],"%Generator%":["GeneratorFunction","prototype"],"%GeneratorPrototype%":["GeneratorFunction","prototype","prototype"],"%Int8ArrayPrototype%":["Int8Array","prototype"],"%Int16ArrayPrototype%":["Int16Array","prototype"],"%Int32ArrayPrototype%":["Int32Array","prototype"],"%JSONParse%":["JSON","parse"],"%JSONStringify%":["JSON","stringify"],"%MapPrototype%":["Map","prototype"],"%NumberPrototype%":["Number","prototype"],"%ObjectPrototype%":["Object","prototype"],"%ObjProto_toString%":["Object","prototype","toString"],"%ObjProto_valueOf%":["Object","prototype","valueOf"],"%PromisePrototype%":["Promise","prototype"],"%PromiseProto_then%":["Promise","prototype","then"],"%Promise_all%":["Promise","all"],"%Promise_reject%":["Promise","reject"],"%Promise_resolve%":["Promise","resolve"],"%RangeErrorPrototype%":["RangeError","prototype"],"%ReferenceErrorPrototype%":["ReferenceError","prototype"],"%RegExpPrototype%":["RegExp","prototype"],"%SetPrototype%":["Set","prototype"],"%SharedArrayBufferPrototype%":["SharedArrayBuffer","prototype"],"%StringPrototype%":["String","prototype"],"%SymbolPrototype%":["Symbol","prototype"],"%SyntaxErrorPrototype%":["SyntaxError","prototype"],"%TypedArrayPrototype%":["TypedArray","prototype"],"%TypeErrorPrototype%":["TypeError","prototype"],"%Uint8ArrayPrototype%":["Uint8Array","prototype"],"%Uint8ClampedArrayPrototype%":["Uint8ClampedArray","prototype"],"%Uint16ArrayPrototype%":["Uint16Array","prototype"],"%Uint32ArrayPrototype%":["Uint32Array","prototype"],"%URIErrorPrototype%":["URIError","prototype"],"%WeakMapPrototype%":["WeakMap","prototype"],"%WeakSetPrototype%":["WeakSet","prototype"]},bind=require(19),hasOwn=require(26),$concat=bind.call(Function.call,Array.prototype.concat),$spliceApply=bind.call(Function.apply,Array.prototype.splice),$replace=bind.call(Function.call,String.prototype.replace),$strSlice=bind.call(Function.call,String.prototype.slice),$exec=bind.call(Function.call,RegExp.prototype.exec),rePropName=/[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g,reEscapeChar=/\\(\\)?/g,stringToPath=function stringToPath(r){var e=$strSlice(r,0,1),t=$strSlice(r,-1);if("%"===e&&"%"!==t)throw new $SyntaxError("invalid intrinsic syntax, expected closing `%`");if("%"===t&&"%"!==e)throw new $SyntaxError("invalid intrinsic syntax, expected opening `%`");var o=[];return $replace(r,rePropName,(function(r,e,t,n){o[o.length]=t?$replace(n,reEscapeChar,"$1"):e||r})),o},getBaseIntrinsic=function getBaseIntrinsic(r,e){var t,o=r;if(hasOwn(LEGACY_ALIASES,o)&&(o="%"+(t=LEGACY_ALIASES[o])[0]+"%"),hasOwn(INTRINSICS,o)){var n=INTRINSICS[o];if(n===needsEval&&(n=doEval(o)),void 0===n&&!e)throw new $TypeError("intrinsic "+r+" exists, but is not available. Please file an issue!");return{alias:t,name:o,value:n}}throw new $SyntaxError("intrinsic "+r+" does not exist!")};module.exports=function GetIntrinsic(r,e){if("string"!=typeof r||0===r.length)throw new $TypeError("intrinsic name must be a non-empty string");if(arguments.length>1&&"boolean"!=typeof e)throw new $TypeError('"allowMissing" argument must be a boolean');if(null===$exec(/^%?[^%]*%?$/,r))throw new $SyntaxError("`%` may not be present anywhere but at the beginning and end of the intrinsic name");var t=stringToPath(r),o=t.length>0?t[0]:"",n=getBaseIntrinsic("%"+o+"%",e),a=n.name,y=n.value,i=!1,p=n.alias;p&&(o=p[0],$spliceApply(t,$concat([0,1],p)));for(var d=1,s=!0;d<t.length;d+=1){var f=t[d],u=$strSlice(f,0,1),l=$strSlice(f,-1);if(('"'===u||"'"===u||"`"===u||'"'===l||"'"===l||"`"===l)&&u!==l)throw new $SyntaxError("property names with quotes must have matching quotes");if("constructor"!==f&&s||(i=!0),hasOwn(INTRINSICS,a="%"+(o+="."+f)+"%"))y=INTRINSICS[a];else if(null!=y){if(!(f in y)){if(!e)throw new $TypeError("base intrinsic for "+r+" exists, but the property is not available.");return}if($gOPD&&d+1>=t.length){var c=$gOPD(y,f);y=(s=!!c)&&"get"in c&&!("originalValue"in c.get)?c.get:y[f]}else s=hasOwn(y,f),y=y[f];s&&!i&&(INTRINSICS[a]=y)}}return y};
+
+},{"11":11,"12":12,"13":13,"14":14,"15":15,"16":16,"17":17,"19":19,"23":23,"24":24,"26":26}],8:[function(require,module,exports){
+"use strict";var bind=require(19),GetIntrinsic=require(20),setFunctionLength=require(28),$TypeError=require(16),$apply=GetIntrinsic("%Function.prototype.apply%"),$call=GetIntrinsic("%Function.prototype.call%"),$reflectApply=GetIntrinsic("%Reflect.apply%",!0)||bind.call($call,$apply),$defineProperty=require(10),$max=GetIntrinsic("%Math.max%");module.exports=function callBind(e){if("function"!=typeof e)throw new $TypeError("a function is required");var n=$reflectApply(bind,$call,arguments);return setFunctionLength(n,1+$max(0,e.length-(arguments.length-1)),!0)};var applyBind=function applyBind(){return $reflectApply(bind,$apply,arguments)};$defineProperty?$defineProperty(module.exports,"apply",{value:applyBind}):module.exports.apply=applyBind;
+
+},{"10":10,"16":16,"19":19,"20":20,"28":28}],16:[function(require,module,exports){
+"use strict";module.exports=TypeError;
+
+},{}],19:[function(require,module,exports){
+"use strict";var implementation=require(18);module.exports=Function.prototype.bind||implementation;
+
+},{"18":18}],10:[function(require,module,exports){
+"use strict";var GetIntrinsic=require(20),$defineProperty=GetIntrinsic("%Object.defineProperty%",!0)||!1;if($defineProperty)try{$defineProperty({},"a",{value:1})}catch(e){$defineProperty=!1}module.exports=$defineProperty;
+
+},{"20":20}],28:[function(require,module,exports){
+"use strict";var GetIntrinsic=require(20),define=require(9),hasDescriptors=require(22)(),gOPD=require(21),$TypeError=require(16),$floor=GetIntrinsic("%Math.floor%");module.exports=function setFunctionLength(e,r){if("function"!=typeof e)throw new $TypeError("`fn` is not a function");if("number"!=typeof r||r<0||r>4294967295||$floor(r)!==r)throw new $TypeError("`length` must be a positive 32-bit integer");var t=arguments.length>2&&!!arguments[2],i=!0,n=!0;if("length"in e&&gOPD){var o=gOPD(e,"length");o&&!o.configurable&&(i=!1),o&&!o.writable&&(n=!1)}return(i||n||!t)&&(hasDescriptors?define(e,"length",r,!0,!0):define(e,"length",r)),e};
+
+},{"16":16,"20":20,"21":21,"22":22,"9":9}],9:[function(require,module,exports){
+"use strict";var $defineProperty=require(10),$SyntaxError=require(15),$TypeError=require(16),gopd=require(21);module.exports=function defineDataProperty(e,r,o){if(!e||"object"!=typeof e&&"function"!=typeof e)throw new $TypeError("`obj` must be an object or a function`");if("string"!=typeof r&&"symbol"!=typeof r)throw new $TypeError("`property` must be a string or a symbol`");if(arguments.length>3&&"boolean"!=typeof arguments[3]&&null!==arguments[3])throw new $TypeError("`nonEnumerable`, if provided, must be a boolean or null");if(arguments.length>4&&"boolean"!=typeof arguments[4]&&null!==arguments[4])throw new $TypeError("`nonWritable`, if provided, must be a boolean or null");if(arguments.length>5&&"boolean"!=typeof arguments[5]&&null!==arguments[5])throw new $TypeError("`nonConfigurable`, if provided, must be a boolean or null");if(arguments.length>6&&"boolean"!=typeof arguments[6])throw new $TypeError("`loose`, if provided, must be a boolean");var n=arguments.length>3?arguments[3]:null,l=arguments.length>4?arguments[4]:null,t=arguments.length>5?arguments[5]:null,i=arguments.length>6&&arguments[6],a=!!gopd&&gopd(e,r);if($defineProperty)$defineProperty(e,r,{configurable:null===t&&a?a.configurable:!t,enumerable:null===n&&a?a.enumerable:!n,value:o,writable:null===l&&a?a.writable:!l});else{if(!i&&(n||l||t))throw new $SyntaxError("This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.");e[r]=o}};
+
+},{"10":10,"15":15,"16":16,"21":21}],15:[function(require,module,exports){
+"use strict";module.exports=SyntaxError;
+
+},{}],21:[function(require,module,exports){
+"use strict";var GetIntrinsic=require(20),$gOPD=GetIntrinsic("%Object.getOwnPropertyDescriptor%",!0);if($gOPD)try{$gOPD([],"length")}catch(t){$gOPD=null}module.exports=$gOPD;
+
+},{"20":20}],11:[function(require,module,exports){
+"use strict";module.exports=EvalError;
+
+},{}],12:[function(require,module,exports){
+"use strict";module.exports=Error;
+
+},{}],13:[function(require,module,exports){
+"use strict";module.exports=RangeError;
+
+},{}],14:[function(require,module,exports){
+"use strict";module.exports=ReferenceError;
+
+},{}],17:[function(require,module,exports){
+"use strict";module.exports=URIError;
+
+},{}],18:[function(require,module,exports){
+"use strict";var ERROR_MESSAGE="Function.prototype.bind called on incompatible ",toStr=Object.prototype.toString,max=Math.max,funcType="[object Function]",concatty=function concatty(t,n){for(var r=[],o=0;o<t.length;o+=1)r[o]=t[o];for(var e=0;e<n.length;e+=1)r[e+t.length]=n[e];return r},slicy=function slicy(t,n){for(var r=[],o=n||0,e=0;o<t.length;o+=1,e+=1)r[e]=t[o];return r},joiny=function(t,n){for(var r="",o=0;o<t.length;o+=1)r+=t[o],o+1<t.length&&(r+=n);return r};module.exports=function bind(t){var n=this;if("function"!=typeof n||toStr.apply(n)!==funcType)throw new TypeError(ERROR_MESSAGE+n);for(var r,o=slicy(arguments,1),e=max(0,n.length-o.length),i=[],c=0;c<e;c++)i[c]="$"+c;if(r=Function("binder","return function ("+joiny(i,",")+"){ return binder.apply(this,arguments); }")((function(){if(this instanceof r){var e=n.apply(this,concatty(o,arguments));return Object(e)===e?e:this}return n.apply(t,concatty(o,arguments))})),n.prototype){var p=function Empty(){};p.prototype=n.prototype,r.prototype=new p,p.prototype=null}return r};
+
+},{}],23:[function(require,module,exports){
+"use strict";var test={__proto__:null,foo:{}},$Object=Object;module.exports=function hasProto(){return{__proto__:test}.foo===test.foo&&!(test instanceof $Object)};
+
+},{}],26:[function(require,module,exports){
+"use strict";var call=Function.prototype.call,$hasOwn=Object.prototype.hasOwnProperty,bind=require(19);module.exports=bind.call(call,$hasOwn);
+
+},{"19":19}],24:[function(require,module,exports){
+"use strict";var origSymbol="undefined"!=typeof Symbol&&Symbol,hasSymbolSham=require(25);module.exports=function hasNativeSymbols(){return"function"==typeof origSymbol&&"function"==typeof Symbol&&"symbol"==typeof origSymbol("foo")&&"symbol"==typeof Symbol("bar")&&hasSymbolSham()};
+
+},{"25":25}],22:[function(require,module,exports){
+"use strict";var $defineProperty=require(10),hasPropertyDescriptors=function hasPropertyDescriptors(){return!!$defineProperty};hasPropertyDescriptors.hasArrayLengthDefineBug=function hasArrayLengthDefineBug(){if(!$defineProperty)return null;try{return 1!==$defineProperty([],"length",{value:1}).length}catch(r){return!0}},module.exports=hasPropertyDescriptors;
+
+},{"10":10}],25:[function(require,module,exports){
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+
+},{}],27:[function(require,module,exports){
+(function (global){(function (){
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Reflect?Reflect.getPrototypeOf:Object.getPrototypeOf)||([].__proto__===Array.prototype?function(t){return t.__proto__}:null);function addNumericSeparator(t,e){if(t===1/0||t===-1/0||t!=t||t&&t>-1e3&&t<1e3||$test.call(/e/,e))return e;var r=/[0-9](?=(?:[0-9]{3})+(?![0-9]))/g;if("number"==typeof t){var n=t<0?-$floor(-t):$floor(t);if(n!==t){var o=String(n),i=$slice.call(e,o.length+1);return $replace.call(o,r,"$&_")+"."+$replace.call($replace.call(i,/([0-9]{3})/g,"$&_"),/_$/,"")}}return $replace.call(e,r,"$&_")}var utilInspect=require(6),inspectCustom=utilInspect.custom,inspectSymbol=isSymbol(inspectCustom)?inspectCustom:null;function wrapQuotes(t,e,r){var n="double"===(r.quoteStyle||e)?'"':"'";return n+t+n}function quote(t){return $replace.call(String(t),/"/g,"&quot;")}function isArray(t){return!("[object Array]"!==toStr(t)||toStringTag&&"object"==typeof t&&toStringTag in t)}function isDate(t){return!("[object Date]"!==toStr(t)||toStringTag&&"object"==typeof t&&toStringTag in t)}function 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utilInspect(t,{depth:p-r});if("symbol"!==i&&"function"==typeof t.inspect)return t.inspect()}if(isMap(t)){var d=[];return mapForEach&&mapForEach.call(t,(function(e,r){d.push(inspect(r,t,!0)+" => "+inspect(e,t))})),collectionOf("Map",mapSize.call(t),d,u)}if(isSet(t)){var j=[];return setForEach&&setForEach.call(t,(function(e){j.push(inspect(e,t))})),collectionOf("Set",setSize.call(t),j,u)}if(isWeakMap(t))return weakCollectionOf("WeakMap");if(isWeakSet(t))return weakCollectionOf("WeakSet");if(isWeakRef(t))return weakCollectionOf("WeakRef");if(isNumber(t))return markBoxed(inspect(Number(t)));if(isBigInt(t))return markBoxed(inspect(bigIntValueOf.call(t)));if(isBoolean(t))return markBoxed(booleanValueOf.call(t));if(isString(t))return markBoxed(inspect(String(t)));if("undefined"!=typeof window&&t===window)return"{ [object Window] }";if("undefined"!=typeof globalThis&&t===globalThis||"undefined"!=typeof global&&t===global)return"{ [object globalThis] }";if(!isDate(t)&&!isRegExp(t)){var O=arrObjKeys(t,inspect),w=gPO?gPO(t)===Object.prototype:t instanceof Object||t.constructor===Object,$=t instanceof Object?"":"null prototype",k=!w&&toStringTag&&Object(t)===t&&toStringTag in t?$slice.call(toStr(t),8,-1):$?"Object":"",v=(w||"function"!=typeof t.constructor?"":t.constructor.name?t.constructor.name+" ":"")+(k||$?"["+$join.call($concat.call([],k||[],$||[]),": ")+"] ":"");return 0===O.length?v+"{}":u?v+"{"+indentedJoin(O,u)+"}":v+"{ "+$join.call(O,", ")+" }"}return String(t)};var hasOwn=Object.prototype.hasOwnProperty||function(t){return t in this};function has(t,e){return hasOwn.call(t,e)}function toStr(t){return objectToString.call(t)}function nameOf(t){if(t.name)return t.name;var e=$match.call(functionToString.call(t),/^function\s*([\w$]+)/);return e?e[1]:null}function indexOf(t,e){if(t.indexOf)return t.indexOf(e);for(var r=0,n=t.length;r<n;r++)if(t[r]===e)return r;return-1}function isMap(t){if(!mapSize||!t||"object"!=typeof t)return!1;try{mapSize.call(t);try{setSize.call(t)}catch(t){return!0}return t instanceof Map}catch(t){}return!1}function isWeakMap(t){if(!weakMapHas||!t||"object"!=typeof t)return!1;try{weakMapHas.call(t,weakMapHas);try{weakSetHas.call(t,weakSetHas)}catch(t){return!0}return t instanceof WeakMap}catch(t){}return!1}function isWeakRef(t){if(!weakRefDeref||!t||"object"!=typeof t)return!1;try{return weakRefDeref.call(t),!0}catch(t){}return!1}function isSet(t){if(!setSize||!t||"object"!=typeof t)return!1;try{setSize.call(t);try{mapSize.call(t)}catch(t){return!0}return t instanceof Set}catch(t){}return!1}function isWeakSet(t){if(!weakSetHas||!t||"object"!=typeof t)return!1;try{weakSetHas.call(t,weakSetHas);try{weakMapHas.call(t,weakMapHas)}catch(t){return!0}return t instanceof WeakSet}catch(t){}return!1}function isElement(t){return!(!t||"object"!=typeof t)&&("undefined"!=typeof HTMLElement&&t instanceof HTMLElement||"string"==typeof t.nodeName&&"function"==typeof t.getAttribute)}function inspectString(t,e){if(t.length>e.maxStringLength){var r=t.length-e.maxStringLength,n="... "+r+" more character"+(r>1?"s":"");return inspectString($slice.call(t,0,e.maxStringLength),e)+n}return wrapQuotes($replace.call($replace.call(t,/(['\\])/g,"\\$1"),/[\x00-\x1f]/g,lowbyte),"single",e)}function lowbyte(t){var e=t.charCodeAt(0),r={8:"b",9:"t",10:"n",12:"f",13:"r"}[e];return r?"\\"+r:"\\x"+(e<16?"0":"")+$toUpperCase.call(e.toString(16))}function markBoxed(t){return"Object("+t+")"}function weakCollectionOf(t){return t+" { ? }"}function collectionOf(t,e,r,n){return t+" ("+e+") {"+(n?indentedJoin(r,n):$join.call(r,", "))+"}"}function singleLineValues(t){for(var e=0;e<t.length;e++)if(indexOf(t[e],"\n")>=0)return!1;return!0}function getIndent(t,e){var r;if("\t"===t.indent)r="\t";else{if(!("number"==typeof t.indent&&t.indent>0))return null;r=$join.call(Array(t.indent+1)," ")}return{base:r,prev:$join.call(Array(e+1),r)}}function indentedJoin(t,e){if(0===t.length)return"";var r="\n"+e.prev+e.base;return r+$join.call(t,","+r)+"\n"+e.prev}function arrObjKeys(t,e){var r=isArray(t),n=[];if(r){n.length=t.length;for(var o=0;o<t.length;o++)n[o]=has(t,o)?e(t[o],t):""}var i,a="function"==typeof gOPS?gOPS(t):[];if(hasShammedSymbols){i={};for(var c=0;c<a.length;c++)i["$"+a[c]]=a[c]}for(var l in t)has(t,l)&&(r&&String(Number(l))===l&&l<t.length||hasShammedSymbols&&i["$"+l]instanceof Symbol||($test.call(/[^\w$]/,l)?n.push(e(l,t)+": "+e(t[l],t)):n.push(l+": "+e(t[l],t))));if("function"==typeof gOPS)for(var p=0;p<a.length;p++)isEnumerable.call(t,a[p])&&n.push("["+e(a[p])+"]: "+e(t[a[p]],t));return n}
+
+}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"6":6}]},{},[2])(2)
+});
diff --git a/web/public/node_modules/qs/lib/formats.js b/web/public/node_modules/qs/lib/formats.js
new file mode 100644
index 000000000..f36cf206b
--- /dev/null
+++ b/web/public/node_modules/qs/lib/formats.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+var Format = {
+    RFC1738: 'RFC1738',
+    RFC3986: 'RFC3986'
+};
+
+module.exports = {
+    'default': Format.RFC3986,
+    formatters: {
+        RFC1738: function (value) {
+            return replace.call(value, percentTwenties, '+');
+        },
+        RFC3986: function (value) {
+            return String(value);
+        }
+    },
+    RFC1738: Format.RFC1738,
+    RFC3986: Format.RFC3986
+};
diff --git a/web/public/node_modules/qs/lib/index.js b/web/public/node_modules/qs/lib/index.js
new file mode 100644
index 000000000..0d6a97dcf
--- /dev/null
+++ b/web/public/node_modules/qs/lib/index.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+    formats: formats,
+    parse: parse,
+    stringify: stringify
+};
diff --git a/web/public/node_modules/qs/lib/parse.js b/web/public/node_modules/qs/lib/parse.js
new file mode 100644
index 000000000..0c6a66683
--- /dev/null
+++ b/web/public/node_modules/qs/lib/parse.js
@@ -0,0 +1,291 @@
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var defaults = {
+    allowDots: false,
+    allowEmptyArrays: false,
+    allowPrototypes: false,
+    allowSparse: false,
+    arrayLimit: 20,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    comma: false,
+    decodeDotInKeys: false,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    duplicates: 'combine',
+    ignoreQueryPrefix: false,
+    interpretNumericEntities: false,
+    parameterLimit: 1000,
+    parseArrays: true,
+    plainObjects: false,
+    strictNullHandling: false
+};
+
+var interpretNumericEntities = function (str) {
+    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
+        return String.fromCharCode(parseInt(numberStr, 10));
+    });
+};
+
+var parseArrayValue = function (val, options) {
+    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
+        return val.split(',');
+    }
+
+    return val;
+};
+
+// This is what browsers will submit when the ✓ character occurs in an
+// application/x-www-form-urlencoded body and the encoding of the page containing
+// the form is iso-8859-1, or when the submitted form has an accept-charset
+// attribute of iso-8859-1. Presumably also with other charsets that do not contain
+// the ✓ character, such as us-ascii.
+var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')
+
+// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
+var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = { __proto__: null };
+
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    cleanStr = cleanStr.replace(/%5B/gi, '[').replace(/%5D/gi, ']');
+    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+    var parts = cleanStr.split(options.delimiter, limit);
+    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
+    var i;
+
+    var charset = options.charset;
+    if (options.charsetSentinel) {
+        for (i = 0; i < parts.length; ++i) {
+            if (parts[i].indexOf('utf8=') === 0) {
+                if (parts[i] === charsetSentinel) {
+                    charset = 'utf-8';
+                } else if (parts[i] === isoSentinel) {
+                    charset = 'iso-8859-1';
+                }
+                skipIndex = i;
+                i = parts.length; // The eslint settings do not allow break;
+            }
+        }
+    }
+
+    for (i = 0; i < parts.length; ++i) {
+        if (i === skipIndex) {
+            continue;
+        }
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key, val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder, charset, 'key');
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
+            val = utils.maybeMap(
+                parseArrayValue(part.slice(pos + 1), options),
+                function (encodedVal) {
+                    return options.decoder(encodedVal, defaults.decoder, charset, 'value');
+                }
+            );
+        }
+
+        if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
+            val = interpretNumericEntities(val);
+        }
+
+        if (part.indexOf('[]=') > -1) {
+            val = isArray(val) ? [val] : val;
+        }
+
+        var existing = has.call(obj, key);
+        if (existing && options.duplicates === 'combine') {
+            obj[key] = utils.combine(obj[key], val);
+        } else if (!existing || options.duplicates === 'last') {
+            obj[key] = val;
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options, valuesParsed) {
+    var leaf = valuesParsed ? val : parseArrayValue(val, options);
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            obj = options.allowEmptyArrays && (leaf === '' || (options.strictNullHandling && leaf === null))
+                ? []
+                : [].concat(leaf);
+        } else {
+            obj = options.plainObjects ? Object.create(null) : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var decodedRoot = options.decodeDotInKeys ? cleanRoot.replace(/%2E/g, '.') : cleanRoot;
+            var index = parseInt(decodedRoot, 10);
+            if (!options.parseArrays && decodedRoot === '') {
+                obj = { 0: leaf };
+            } else if (
+                !isNaN(index)
+                && root !== decodedRoot
+                && String(index) === decodedRoot
+                && index >= 0
+                && (options.parseArrays && index <= options.arrayLimit)
+            ) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (decodedRoot !== '__proto__') {
+                obj[decodedRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
+    if (!givenKey) {
+        return;
+    }
+
+    // Transform dot notation to bracket notation
+    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+    // The regex chunks
+
+    var brackets = /(\[[^[\]]*])/;
+    var child = /(\[[^[\]]*])/g;
+
+    // Get the parent
+
+    var segment = options.depth > 0 && brackets.exec(key);
+    var parent = segment ? key.slice(0, segment.index) : key;
+
+    // Stash the parent if it exists
+
+    var keys = [];
+    if (parent) {
+        // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        keys.push(parent);
+    }
+
+    // Loop through children appending to the array until we hit depth
+
+    var i = 0;
+    while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) {
+        i += 1;
+        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+        keys.push(segment[1]);
+    }
+
+    // If there's a remainder, just add whatever is left
+
+    if (segment) {
+        keys.push('[' + key.slice(segment.index) + ']');
+    }
+
+    return parseObject(keys, val, options, valuesParsed);
+};
+
+var normalizeParseOptions = function normalizeParseOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (typeof opts.allowEmptyArrays !== 'undefined' && typeof opts.allowEmptyArrays !== 'boolean') {
+        throw new TypeError('`allowEmptyArrays` option can only be `true` or `false`, when provided');
+    }
+
+    if (typeof opts.decodeDotInKeys !== 'undefined' && typeof opts.decodeDotInKeys !== 'boolean') {
+        throw new TypeError('`decodeDotInKeys` option can only be `true` or `false`, when provided');
+    }
+
+    if (opts.decoder !== null && typeof opts.decoder !== 'undefined' && typeof opts.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
+
+    var duplicates = typeof opts.duplicates === 'undefined' ? defaults.duplicates : opts.duplicates;
+
+    if (duplicates !== 'combine' && duplicates !== 'first' && duplicates !== 'last') {
+        throw new TypeError('The duplicates option must be either combine, first, or last');
+    }
+
+    var allowDots = typeof opts.allowDots === 'undefined' ? opts.decodeDotInKeys === true ? true : defaults.allowDots : !!opts.allowDots;
+
+    return {
+        allowDots: allowDots,
+        allowEmptyArrays: typeof opts.allowEmptyArrays === 'boolean' ? !!opts.allowEmptyArrays : defaults.allowEmptyArrays,
+        allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
+        allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse,
+        arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
+        decodeDotInKeys: typeof opts.decodeDotInKeys === 'boolean' ? opts.decodeDotInKeys : defaults.decodeDotInKeys,
+        decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
+        delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
+        // eslint-disable-next-line no-implicit-coercion, no-extra-parens
+        depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
+        duplicates: duplicates,
+        ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
+        interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
+        parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
+        parseArrays: opts.parseArrays !== false,
+        plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (str, opts) {
+    var options = normalizeParseOptions(opts);
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? Object.create(null) : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? Object.create(null) : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    if (options.allowSparse === true) {
+        return obj;
+    }
+
+    return utils.compact(obj);
+};
diff --git a/web/public/node_modules/qs/lib/stringify.js b/web/public/node_modules/qs/lib/stringify.js
new file mode 100644
index 000000000..9b934d69b
--- /dev/null
+++ b/web/public/node_modules/qs/lib/stringify.js
@@ -0,0 +1,351 @@
+'use strict';
+
+var getSideChannel = require('side-channel');
+var utils = require('./utils');
+var formats = require('./formats');
+var has = Object.prototype.hasOwnProperty;
+
+var arrayPrefixGenerators = {
+    brackets: function brackets(prefix) {
+        return prefix + '[]';
+    },
+    comma: 'comma',
+    indices: function indices(prefix, key) {
+        return prefix + '[' + key + ']';
+    },
+    repeat: function repeat(prefix) {
+        return prefix;
+    }
+};
+
+var isArray = Array.isArray;
+var push = Array.prototype.push;
+var pushToArray = function (arr, valueOrArray) {
+    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaultFormat = formats['default'];
+var defaults = {
+    addQueryPrefix: false,
+    allowDots: false,
+    allowEmptyArrays: false,
+    arrayFormat: 'indices',
+    charset: 'utf-8',
+    charsetSentinel: false,
+    delimiter: '&',
+    encode: true,
+    encodeDotInKeys: false,
+    encoder: utils.encode,
+    encodeValuesOnly: false,
+    format: defaultFormat,
+    formatter: formats.formatters[defaultFormat],
+    // deprecated
+    indices: false,
+    serializeDate: function serializeDate(date) {
+        return toISO.call(date);
+    },
+    skipNulls: false,
+    strictNullHandling: false
+};
+
+var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
+    return typeof v === 'string'
+        || typeof v === 'number'
+        || typeof v === 'boolean'
+        || typeof v === 'symbol'
+        || typeof v === 'bigint';
+};
+
+var sentinel = {};
+
+var stringify = function stringify(
+    object,
+    prefix,
+    generateArrayPrefix,
+    commaRoundTrip,
+    allowEmptyArrays,
+    strictNullHandling,
+    skipNulls,
+    encodeDotInKeys,
+    encoder,
+    filter,
+    sort,
+    allowDots,
+    serializeDate,
+    format,
+    formatter,
+    encodeValuesOnly,
+    charset,
+    sideChannel
+) {
+    var obj = object;
+
+    var tmpSc = sideChannel;
+    var step = 0;
+    var findFlag = false;
+    while ((tmpSc = tmpSc.get(sentinel)) !== void undefined && !findFlag) {
+        // Where object last appeared in the ref tree
+        var pos = tmpSc.get(object);
+        step += 1;
+        if (typeof pos !== 'undefined') {
+            if (pos === step) {
+                throw new RangeError('Cyclic object value');
+            } else {
+                findFlag = true; // Break while
+            }
+        }
+        if (typeof tmpSc.get(sentinel) === 'undefined') {
+            step = 0;
+        }
+    }
+
+    if (typeof filter === 'function') {
+        obj = filter(prefix, obj);
+    } else if (obj instanceof Date) {
+        obj = serializeDate(obj);
+    } else if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        obj = utils.maybeMap(obj, function (value) {
+            if (value instanceof Date) {
+                return serializeDate(value);
+            }
+            return value;
+        });
+    }
+
+    if (obj === null) {
+        if (strictNullHandling) {
+            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key', format) : prefix;
+        }
+
+        obj = '';
+    }
+
+    if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
+        if (encoder) {
+            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format);
+            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))];
+        }
+        return [formatter(prefix) + '=' + formatter(String(obj))];
+    }
+
+    var values = [];
+
+    if (typeof obj === 'undefined') {
+        return values;
+    }
+
+    var objKeys;
+    if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        // we need to join elements in
+        if (encodeValuesOnly && encoder) {
+            obj = utils.maybeMap(obj, encoder);
+        }
+        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }];
+    } else if (isArray(filter)) {
+        objKeys = filter;
+    } else {
+        var keys = Object.keys(obj);
+        objKeys = sort ? keys.sort(sort) : keys;
+    }
+
+    var encodedPrefix = encodeDotInKeys ? prefix.replace(/\./g, '%2E') : prefix;
+
+    var adjustedPrefix = commaRoundTrip && isArray(obj) && obj.length === 1 ? encodedPrefix + '[]' : encodedPrefix;
+
+    if (allowEmptyArrays && isArray(obj) && obj.length === 0) {
+        return adjustedPrefix + '[]';
+    }
+
+    for (var j = 0; j < objKeys.length; ++j) {
+        var key = objKeys[j];
+        var value = typeof key === 'object' && typeof key.value !== 'undefined' ? key.value : obj[key];
+
+        if (skipNulls && value === null) {
+            continue;
+        }
+
+        var encodedKey = allowDots && encodeDotInKeys ? key.replace(/\./g, '%2E') : key;
+        var keyPrefix = isArray(obj)
+            ? typeof generateArrayPrefix === 'function' ? generateArrayPrefix(adjustedPrefix, encodedKey) : adjustedPrefix
+            : adjustedPrefix + (allowDots ? '.' + encodedKey : '[' + encodedKey + ']');
+
+        sideChannel.set(object, step);
+        var valueSideChannel = getSideChannel();
+        valueSideChannel.set(sentinel, sideChannel);
+        pushToArray(values, stringify(
+            value,
+            keyPrefix,
+            generateArrayPrefix,
+            commaRoundTrip,
+            allowEmptyArrays,
+            strictNullHandling,
+            skipNulls,
+            encodeDotInKeys,
+            generateArrayPrefix === 'comma' && encodeValuesOnly && isArray(obj) ? null : encoder,
+            filter,
+            sort,
+            allowDots,
+            serializeDate,
+            format,
+            formatter,
+            encodeValuesOnly,
+            charset,
+            valueSideChannel
+        ));
+    }
+
+    return values;
+};
+
+var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (typeof opts.allowEmptyArrays !== 'undefined' && typeof opts.allowEmptyArrays !== 'boolean') {
+        throw new TypeError('`allowEmptyArrays` option can only be `true` or `false`, when provided');
+    }
+
+    if (typeof opts.encodeDotInKeys !== 'undefined' && typeof opts.encodeDotInKeys !== 'boolean') {
+        throw new TypeError('`encodeDotInKeys` option can only be `true` or `false`, when provided');
+    }
+
+    if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
+    var charset = opts.charset || defaults.charset;
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+
+    var format = formats['default'];
+    if (typeof opts.format !== 'undefined') {
+        if (!has.call(formats.formatters, opts.format)) {
+            throw new TypeError('Unknown format option provided.');
+        }
+        format = opts.format;
+    }
+    var formatter = formats.formatters[format];
+
+    var filter = defaults.filter;
+    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
+        filter = opts.filter;
+    }
+
+    var arrayFormat;
+    if (opts.arrayFormat in arrayPrefixGenerators) {
+        arrayFormat = opts.arrayFormat;
+    } else if ('indices' in opts) {
+        arrayFormat = opts.indices ? 'indices' : 'repeat';
+    } else {
+        arrayFormat = defaults.arrayFormat;
+    }
+
+    if ('commaRoundTrip' in opts && typeof opts.commaRoundTrip !== 'boolean') {
+        throw new TypeError('`commaRoundTrip` must be a boolean, or absent');
+    }
+
+    var allowDots = typeof opts.allowDots === 'undefined' ? opts.encodeDotInKeys === true ? true : defaults.allowDots : !!opts.allowDots;
+
+    return {
+        addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
+        allowDots: allowDots,
+        allowEmptyArrays: typeof opts.allowEmptyArrays === 'boolean' ? !!opts.allowEmptyArrays : defaults.allowEmptyArrays,
+        arrayFormat: arrayFormat,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        commaRoundTrip: opts.commaRoundTrip,
+        delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
+        encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
+        encodeDotInKeys: typeof opts.encodeDotInKeys === 'boolean' ? opts.encodeDotInKeys : defaults.encodeDotInKeys,
+        encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
+        encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
+        filter: filter,
+        format: format,
+        formatter: formatter,
+        serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
+        skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
+        sort: typeof opts.sort === 'function' ? opts.sort : null,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (object, opts) {
+    var obj = object;
+    var options = normalizeStringifyOptions(opts);
+
+    var objKeys;
+    var filter;
+
+    if (typeof options.filter === 'function') {
+        filter = options.filter;
+        obj = filter('', obj);
+    } else if (isArray(options.filter)) {
+        filter = options.filter;
+        objKeys = filter;
+    }
+
+    var keys = [];
+
+    if (typeof obj !== 'object' || obj === null) {
+        return '';
+    }
+
+    var generateArrayPrefix = arrayPrefixGenerators[options.arrayFormat];
+    var commaRoundTrip = generateArrayPrefix === 'comma' && options.commaRoundTrip;
+
+    if (!objKeys) {
+        objKeys = Object.keys(obj);
+    }
+
+    if (options.sort) {
+        objKeys.sort(options.sort);
+    }
+
+    var sideChannel = getSideChannel();
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (options.skipNulls && obj[key] === null) {
+            continue;
+        }
+        pushToArray(keys, stringify(
+            obj[key],
+            key,
+            generateArrayPrefix,
+            commaRoundTrip,
+            options.allowEmptyArrays,
+            options.strictNullHandling,
+            options.skipNulls,
+            options.encodeDotInKeys,
+            options.encode ? options.encoder : null,
+            options.filter,
+            options.sort,
+            options.allowDots,
+            options.serializeDate,
+            options.format,
+            options.formatter,
+            options.encodeValuesOnly,
+            options.charset,
+            sideChannel
+        ));
+    }
+
+    var joined = keys.join(options.delimiter);
+    var prefix = options.addQueryPrefix === true ? '?' : '';
+
+    if (options.charsetSentinel) {
+        if (options.charset === 'iso-8859-1') {
+            // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
+            prefix += 'utf8=%26%2310003%3B&';
+        } else {
+            // encodeURIComponent('✓')
+            prefix += 'utf8=%E2%9C%93&';
+        }
+    }
+
+    return joined.length > 0 ? prefix + joined : '';
+};
diff --git a/web/public/node_modules/qs/lib/utils.js b/web/public/node_modules/qs/lib/utils.js
new file mode 100644
index 000000000..7c860f1b1
--- /dev/null
+++ b/web/public/node_modules/qs/lib/utils.js
@@ -0,0 +1,265 @@
+'use strict';
+
+var formats = require('./formats');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var hexTable = (function () {
+    var array = [];
+    for (var i = 0; i < 256; ++i) {
+        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+    }
+
+    return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+    while (queue.length > 1) {
+        var item = queue.pop();
+        var obj = item.obj[item.prop];
+
+        if (isArray(obj)) {
+            var compacted = [];
+
+            for (var j = 0; j < obj.length; ++j) {
+                if (typeof obj[j] !== 'undefined') {
+                    compacted.push(obj[j]);
+                }
+            }
+
+            item.obj[item.prop] = compacted;
+        }
+    }
+};
+
+var arrayToObject = function arrayToObject(source, options) {
+    var obj = options && options.plainObjects ? Object.create(null) : {};
+    for (var i = 0; i < source.length; ++i) {
+        if (typeof source[i] !== 'undefined') {
+            obj[i] = source[i];
+        }
+    }
+
+    return obj;
+};
+
+var merge = function merge(target, source, options) {
+    /* eslint no-param-reassign: 0 */
+    if (!source) {
+        return target;
+    }
+
+    if (typeof source !== 'object') {
+        if (isArray(target)) {
+            target.push(source);
+        } else if (target && typeof target === 'object') {
+            if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
+                target[source] = true;
+            }
+        } else {
+            return [target, source];
+        }
+
+        return target;
+    }
+
+    if (!target || typeof target !== 'object') {
+        return [target].concat(source);
+    }
+
+    var mergeTarget = target;
+    if (isArray(target) && !isArray(source)) {
+        mergeTarget = arrayToObject(target, options);
+    }
+
+    if (isArray(target) && isArray(source)) {
+        source.forEach(function (item, i) {
+            if (has.call(target, i)) {
+                var targetItem = target[i];
+                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
+                    target[i] = merge(targetItem, item, options);
+                } else {
+                    target.push(item);
+                }
+            } else {
+                target[i] = item;
+            }
+        });
+        return target;
+    }
+
+    return Object.keys(source).reduce(function (acc, key) {
+        var value = source[key];
+
+        if (has.call(acc, key)) {
+            acc[key] = merge(acc[key], value, options);
+        } else {
+            acc[key] = value;
+        }
+        return acc;
+    }, mergeTarget);
+};
+
+var assign = function assignSingleSource(target, source) {
+    return Object.keys(source).reduce(function (acc, key) {
+        acc[key] = source[key];
+        return acc;
+    }, target);
+};
+
+var decode = function (str, decoder, charset) {
+    var strWithoutPlus = str.replace(/\+/g, ' ');
+    if (charset === 'iso-8859-1') {
+        // unescape never throws, no try...catch needed:
+        return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape);
+    }
+    // utf-8
+    try {
+        return decodeURIComponent(strWithoutPlus);
+    } catch (e) {
+        return strWithoutPlus;
+    }
+};
+
+var limit = 1024;
+
+/* eslint operator-linebreak: [2, "before"] */
+
+var encode = function encode(str, defaultEncoder, charset, kind, format) {
+    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+    // It has been adapted here for stricter adherence to RFC 3986
+    if (str.length === 0) {
+        return str;
+    }
+
+    var string = str;
+    if (typeof str === 'symbol') {
+        string = Symbol.prototype.toString.call(str);
+    } else if (typeof str !== 'string') {
+        string = String(str);
+    }
+
+    if (charset === 'iso-8859-1') {
+        return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
+            return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
+        });
+    }
+
+    var out = '';
+    for (var j = 0; j < string.length; j += limit) {
+        var segment = string.length >= limit ? string.slice(j, j + limit) : string;
+        var arr = [];
+
+        for (var i = 0; i < segment.length; ++i) {
+            var c = segment.charCodeAt(i);
+            if (
+                c === 0x2D // -
+                || c === 0x2E // .
+                || c === 0x5F // _
+                || c === 0x7E // ~
+                || (c >= 0x30 && c <= 0x39) // 0-9
+                || (c >= 0x41 && c <= 0x5A) // a-z
+                || (c >= 0x61 && c <= 0x7A) // A-Z
+                || (format === formats.RFC1738 && (c === 0x28 || c === 0x29)) // ( )
+            ) {
+                arr[arr.length] = segment.charAt(i);
+                continue;
+            }
+
+            if (c < 0x80) {
+                arr[arr.length] = hexTable[c];
+                continue;
+            }
+
+            if (c < 0x800) {
+                arr[arr.length] = hexTable[0xC0 | (c >> 6)]
+                    + hexTable[0x80 | (c & 0x3F)];
+                continue;
+            }
+
+            if (c < 0xD800 || c >= 0xE000) {
+                arr[arr.length] = hexTable[0xE0 | (c >> 12)]
+                    + hexTable[0x80 | ((c >> 6) & 0x3F)]
+                    + hexTable[0x80 | (c & 0x3F)];
+                continue;
+            }
+
+            i += 1;
+            c = 0x10000 + (((c & 0x3FF) << 10) | (segment.charCodeAt(i) & 0x3FF));
+
+            arr[arr.length] = hexTable[0xF0 | (c >> 18)]
+                + hexTable[0x80 | ((c >> 12) & 0x3F)]
+                + hexTable[0x80 | ((c >> 6) & 0x3F)]
+                + hexTable[0x80 | (c & 0x3F)];
+        }
+
+        out += arr.join('');
+    }
+
+    return out;
+};
+
+var compact = function compact(value) {
+    var queue = [{ obj: { o: value }, prop: 'o' }];
+    var refs = [];
+
+    for (var i = 0; i < queue.length; ++i) {
+        var item = queue[i];
+        var obj = item.obj[item.prop];
+
+        var keys = Object.keys(obj);
+        for (var j = 0; j < keys.length; ++j) {
+            var key = keys[j];
+            var val = obj[key];
+            if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+                queue.push({ obj: obj, prop: key });
+                refs.push(val);
+            }
+        }
+    }
+
+    compactQueue(queue);
+
+    return value;
+};
+
+var isRegExp = function isRegExp(obj) {
+    return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+var isBuffer = function isBuffer(obj) {
+    if (!obj || typeof obj !== 'object') {
+        return false;
+    }
+
+    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+var combine = function combine(a, b) {
+    return [].concat(a, b);
+};
+
+var maybeMap = function maybeMap(val, fn) {
+    if (isArray(val)) {
+        var mapped = [];
+        for (var i = 0; i < val.length; i += 1) {
+            mapped.push(fn(val[i]));
+        }
+        return mapped;
+    }
+    return fn(val);
+};
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    combine: combine,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    maybeMap: maybeMap,
+    merge: merge
+};
diff --git a/web/public/node_modules/qs/package.json b/web/public/node_modules/qs/package.json
new file mode 100644
index 000000000..4d82a707a
--- /dev/null
+++ b/web/public/node_modules/qs/package.json
@@ -0,0 +1,92 @@
+{
+    "name": "qs",
+    "description": "A querystring parser that supports nesting and arrays, with a depth limit",
+    "homepage": "https://github.com/ljharb/qs",
+    "version": "6.12.3",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/ljharb/qs.git"
+    },
+    "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+    },
+    "main": "lib/index.js",
+    "sideEffects": false,
+    "contributors": [
+        {
+            "name": "Jordan Harband",
+            "email": "ljharb@gmail.com",
+            "url": "http://ljharb.codes"
+        }
+    ],
+    "keywords": [
+        "querystring",
+        "qs",
+        "query",
+        "url",
+        "parse",
+        "stringify"
+    ],
+    "engines": {
+        "node": ">=0.6"
+    },
+    "dependencies": {
+        "side-channel": "^1.0.6"
+    },
+    "devDependencies": {
+        "@browserify/envify": "^6.0.0",
+        "@browserify/uglifyify": "^6.0.0",
+        "@ljharb/eslint-config": "^21.1.1",
+        "aud": "^2.0.4",
+        "browserify": "^16.5.2",
+        "bundle-collapser": "^1.4.0",
+        "common-shakeify": "~1.0.0",
+        "eclint": "^2.8.1",
+        "es-value-fixtures": "^1.4.2",
+        "eslint": "=8.8.0",
+        "evalmd": "^0.0.19",
+        "for-each": "^0.3.3",
+        "glob": "=10.3.7",
+        "has-override-mistake": "^1.0.1",
+        "has-property-descriptors": "^1.0.2",
+        "has-symbols": "^1.0.3",
+        "iconv-lite": "^0.5.1",
+        "in-publish": "^2.0.1",
+        "jackspeak": "=2.1.1",
+        "mkdirp": "^0.5.5",
+        "mock-property": "^1.0.3",
+        "module-deps": "^6.2.3",
+        "npmignore": "^0.3.1",
+        "nyc": "^10.3.2",
+        "object-inspect": "^1.13.2",
+        "qs-iconv": "^1.0.4",
+        "safe-publish-latest": "^2.0.0",
+        "safer-buffer": "^2.1.2",
+        "tape": "^5.8.1",
+        "unassertify": "^3.0.1"
+    },
+    "scripts": {
+        "prepack": "npmignore --auto --commentLines=autogenerated && npm run dist",
+        "prepublishOnly": "safe-publish-latest",
+        "prepublish": "not-in-publish || npm run prepublishOnly",
+        "pretest": "npm run --silent readme && npm run --silent lint",
+        "test": "npm run tests-only",
+        "tests-only": "nyc tape 'test/**/*.js'",
+        "posttest": "aud --production",
+        "readme": "evalmd README.md",
+        "postlint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git' | grep -v dist/)",
+        "lint": "eslint --ext=js,mjs .",
+        "dist": "mkdirp dist && browserify --standalone Qs -g unassertify -g @browserify/envify -g [@browserify/uglifyify --mangle.keep_fnames --compress.keep_fnames --format.indent_level=1 --compress.arrows=false --compress.passes=4 --compress.typeofs=false] -p common-shakeify -p bundle-collapser/plugin lib/index.js > dist/qs.js"
+    },
+    "license": "BSD-3-Clause",
+    "publishConfig": {
+        "ignore": [
+            "!dist/*",
+            "bower.json",
+            "component.json",
+            ".github/workflows",
+            "logos",
+            "tea.yaml"
+        ]
+    }
+}
diff --git a/web/public/node_modules/qs/test/empty-keys-cases.js b/web/public/node_modules/qs/test/empty-keys-cases.js
new file mode 100644
index 000000000..2b1190ef5
--- /dev/null
+++ b/web/public/node_modules/qs/test/empty-keys-cases.js
@@ -0,0 +1,267 @@
+'use strict';
+
+module.exports = {
+    emptyTestCases: [
+        {
+            input: '&',
+            withEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '',
+                indices: '',
+                repeat: ''
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&&',
+            withEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '',
+                indices: '',
+                repeat: ''
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=&',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=&=',
+            withEmptyKeys: { '': ['', ''] },
+            stringifyOutput: {
+                brackets: '[]=&[]=',
+                indices: '[0]=&[1]=',
+                repeat: '=&='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '&=&=&',
+            withEmptyKeys: { '': ['', ''] },
+            stringifyOutput: {
+                brackets: '[]=&[]=',
+                indices: '[0]=&[1]=',
+                repeat: '=&='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=',
+            withEmptyKeys: { '': '' },
+            noEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            }
+        },
+        {
+            input: '=&',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=&&&',
+            withEmptyKeys: { '': '' },
+            stringifyOutput: {
+                brackets: '=',
+                indices: '=',
+                repeat: '='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=&=&=&',
+            withEmptyKeys: { '': ['', '', ''] },
+            stringifyOutput: {
+                brackets: '[]=&[]=&[]=',
+                indices: '[0]=&[1]=&[2]=',
+                repeat: '=&=&='
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=&a[]=b&a[1]=c',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: '=a',
+            withEmptyKeys: { '': 'a' },
+            noEmptyKeys: {},
+            stringifyOutput: {
+                brackets: '=a',
+                indices: '=a',
+                repeat: '=a'
+            }
+        },
+        {
+            input: 'a==a',
+            withEmptyKeys: { a: '=a' },
+            noEmptyKeys: { a: '=a' },
+            stringifyOutput: {
+                brackets: 'a==a',
+                indices: 'a==a',
+                repeat: 'a==a'
+            }
+        },
+        {
+            input: '=&a[]=b',
+            withEmptyKeys: { '': '', a: ['b'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b',
+                indices: '=&a[0]=b',
+                repeat: '=&a=b'
+            },
+            noEmptyKeys: { a: ['b'] }
+        },
+        {
+            input: '=&a[]=b&a[]=c&a[2]=d',
+            withEmptyKeys: { '': '', a: ['b', 'c', 'd'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c&a[]=d',
+                indices: '=&a[0]=b&a[1]=c&a[2]=d',
+                repeat: '=&a=b&a=c&a=d'
+            },
+            noEmptyKeys: { a: ['b', 'c', 'd'] }
+        },
+        {
+            input: '=a&=b',
+            withEmptyKeys: { '': ['a', 'b'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b',
+                indices: '[0]=a&[1]=b',
+                repeat: '=a&=b'
+            },
+            noEmptyKeys: {}
+        },
+        {
+            input: '=a&foo=b',
+            withEmptyKeys: { '': 'a', foo: 'b' },
+            noEmptyKeys: { foo: 'b' },
+            stringifyOutput: {
+                brackets: '=a&foo=b',
+                indices: '=a&foo=b',
+                repeat: '=a&foo=b'
+            }
+        },
+        {
+            input: 'a[]=b&a=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a[]=b&a=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a[0]=b&a=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a=b&a[]=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: 'a=b&a[0]=c&=',
+            withEmptyKeys: { '': '', a: ['b', 'c'] },
+            stringifyOutput: {
+                brackets: '=&a[]=b&a[]=c',
+                indices: '=&a[0]=b&a[1]=c',
+                repeat: '=&a=b&a=c'
+            },
+            noEmptyKeys: { a: ['b', 'c'] }
+        },
+        {
+            input: '[]=a&[]=b& []=1',
+            withEmptyKeys: { '': ['a', 'b'], ' ': ['1'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b& []=1',
+                indices: '[0]=a&[1]=b& [0]=1',
+                repeat: '=a&=b& =1'
+            },
+            noEmptyKeys: { 0: 'a', 1: 'b', ' ': ['1'] }
+        },
+        {
+            input: '[0]=a&[1]=b&a[0]=1&a[1]=2',
+            withEmptyKeys: { '': ['a', 'b'], a: ['1', '2'] },
+            noEmptyKeys: { 0: 'a', 1: 'b', a: ['1', '2'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b&a[]=1&a[]=2',
+                indices: '[0]=a&[1]=b&a[0]=1&a[1]=2',
+                repeat: '=a&=b&a=1&a=2'
+            }
+        },
+        {
+            input: '[deep]=a&[deep]=2',
+            withEmptyKeys: { '': { deep: ['a', '2'] }
+            },
+            stringifyOutput: {
+                brackets: '[deep][]=a&[deep][]=2',
+                indices: '[deep][0]=a&[deep][1]=2',
+                repeat: '[deep]=a&[deep]=2'
+            },
+            noEmptyKeys: { deep: ['a', '2'] }
+        },
+        {
+            input: '%5B0%5D=a&%5B1%5D=b',
+            withEmptyKeys: { '': ['a', 'b'] },
+            stringifyOutput: {
+                brackets: '[]=a&[]=b',
+                indices: '[0]=a&[1]=b',
+                repeat: '=a&=b'
+            },
+            noEmptyKeys: { 0: 'a', 1: 'b' }
+        }
+    ]
+};
diff --git a/web/public/node_modules/qs/test/parse.js b/web/public/node_modules/qs/test/parse.js
new file mode 100644
index 000000000..2bf4c4114
--- /dev/null
+++ b/web/public/node_modules/qs/test/parse.js
@@ -0,0 +1,1070 @@
+'use strict';
+
+var test = require('tape');
+var hasPropertyDescriptors = require('has-property-descriptors')();
+var iconv = require('iconv-lite');
+var mockProperty = require('mock-property');
+var hasOverrideMistake = require('has-override-mistake')();
+var SaferBuffer = require('safer-buffer').Buffer;
+var v = require('es-value-fixtures');
+var inspect = require('object-inspect');
+var emptyTestCases = require('./empty-keys-cases').emptyTestCases;
+
+var qs = require('../');
+var utils = require('../lib/utils');
+
+test('parse()', function (t) {
+    t.test('parses a simple string', function (st) {
+        st.deepEqual(qs.parse('0=foo'), { 0: 'foo' });
+        st.deepEqual(qs.parse('foo=c++'), { foo: 'c  ' });
+        st.deepEqual(qs.parse('a[>=]=23'), { a: { '>=': '23' } });
+        st.deepEqual(qs.parse('a[<=>]==23'), { a: { '<=>': '=23' } });
+        st.deepEqual(qs.parse('a[==]=23'), { a: { '==': '23' } });
+        st.deepEqual(qs.parse('foo', { strictNullHandling: true }), { foo: null });
+        st.deepEqual(qs.parse('foo'), { foo: '' });
+        st.deepEqual(qs.parse('foo='), { foo: '' });
+        st.deepEqual(qs.parse('foo=bar'), { foo: 'bar' });
+        st.deepEqual(qs.parse(' foo = bar = baz '), { ' foo ': ' bar = baz ' });
+        st.deepEqual(qs.parse('foo=bar=baz'), { foo: 'bar=baz' });
+        st.deepEqual(qs.parse('foo=bar&bar=baz'), { foo: 'bar', bar: 'baz' });
+        st.deepEqual(qs.parse('foo2=bar2&baz2='), { foo2: 'bar2', baz2: '' });
+        st.deepEqual(qs.parse('foo=bar&baz', { strictNullHandling: true }), { foo: 'bar', baz: null });
+        st.deepEqual(qs.parse('foo=bar&baz'), { foo: 'bar', baz: '' });
+        st.deepEqual(qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World'), {
+            cht: 'p3',
+            chd: 't:60,40',
+            chs: '250x100',
+            chl: 'Hello|World'
+        });
+        st.end();
+    });
+
+    t.test('comma: false', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c'), { a: 'b,c' });
+        st.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('comma: true', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c', { comma: true }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { comma: true }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c', { comma: true }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a=c', { comma: true }), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('allows enabling dot notation', function (st) {
+        st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' });
+        st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } });
+
+        st.end();
+    });
+
+    t.test('decode dot keys correctly', function (st) {
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: false, decodeDotInKeys: false }),
+            { 'name%2Eobj.first': 'John', 'name%2Eobj.last': 'Doe' },
+            'with allowDots false and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse('name.obj.first=John&name.obj.last=Doe', { allowDots: true, decodeDotInKeys: false }),
+            { name: { obj: { first: 'John', last: 'Doe' } } },
+            'with allowDots false and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: true, decodeDotInKeys: false }),
+            { 'name%2Eobj': { first: 'John', last: 'Doe' } },
+            'with allowDots true and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: true, decodeDotInKeys: true }),
+            { 'name.obj': { first: 'John', last: 'Doe' } },
+            'with allowDots true and decodeDotInKeys true'
+        );
+
+        st.deepEqual(
+            qs.parse(
+                'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+                { allowDots: false, decodeDotInKeys: false }
+            ),
+            { 'name%2Eobj%2Esubobject.first%2Egodly%2Ename': 'John', 'name%2Eobj%2Esubobject.last': 'Doe' },
+            'with allowDots false and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse(
+                'name.obj.subobject.first.godly.name=John&name.obj.subobject.last=Doe',
+                { allowDots: true, decodeDotInKeys: false }
+            ),
+            { name: { obj: { subobject: { first: { godly: { name: 'John' } }, last: 'Doe' } } } },
+            'with allowDots true and decodeDotInKeys false'
+        );
+        st.deepEqual(
+            qs.parse(
+                'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+                { allowDots: true, decodeDotInKeys: true }
+            ),
+            { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+            'with allowDots true and decodeDotInKeys true'
+        );
+        st.deepEqual(
+            qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe'),
+            { 'name%2Eobj.first': 'John', 'name%2Eobj.last': 'Doe' },
+            'with allowDots and decodeDotInKeys undefined'
+        );
+
+        st.end();
+    });
+
+    t.test('should decode dot in key of object, and allow enabling dot notation when decodeDotInKeys is set to true and allowDots is undefined', function (st) {
+        st.deepEqual(
+            qs.parse(
+                'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+                { decodeDotInKeys: true }
+            ),
+            { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+            'with allowDots undefined and decodeDotInKeys true'
+        );
+
+        st.end();
+    });
+
+    t.test('should throw when decodeDotInKeys is not of type boolean', function (st) {
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: 0 }); },
+            TypeError
+        );
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('allows empty arrays in obj values', function (st) {
+        st.deepEqual(qs.parse('foo[]&bar=baz', { allowEmptyArrays: true }), { foo: [], bar: 'baz' });
+        st.deepEqual(qs.parse('foo[]&bar=baz', { allowEmptyArrays: false }), { foo: [''], bar: 'baz' });
+
+        st.end();
+    });
+
+    t.test('should throw when allowEmptyArrays is not of type boolean', function (st) {
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: 0 }); },
+            TypeError
+        );
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('allowEmptyArrays + strictNullHandling', function (st) {
+        st.deepEqual(
+            qs.parse('testEmptyArray[]', { strictNullHandling: true, allowEmptyArrays: true }),
+            { testEmptyArray: [] }
+        );
+
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string');
+    t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string');
+    t.deepEqual(
+        qs.parse('a[b][c][d][e][f][g][h]=i'),
+        { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } },
+        'defaults to a depth of 5'
+    );
+
+    t.test('only parses one level when depth = 1', function (st) {
+        st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } });
+        st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } });
+        st.end();
+    });
+
+    t.test('uses original key when depth = 0', function (st) {
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: 0 }), { 'a[0]': 'b', 'a[1]': 'c' });
+        st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: 0 }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
+        st.end();
+    });
+
+    t.test('uses original key when depth = false', function (st) {
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: false }), { 'a[0]': 'b', 'a[1]': 'c' });
+        st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: false }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array');
+
+    t.test('parses an explicit array', function (st) {
+        st.deepEqual(qs.parse('a[]=b'), { a: ['b'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] });
+        st.end();
+    });
+
+    t.test('parses a mix of simple and explicit arrays', function (st) {
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+
+        st.end();
+    });
+
+    t.test('parses a nested array', function (st) {
+        st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } });
+        st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } });
+        st.end();
+    });
+
+    t.test('allows to specify array indices', function (st) {
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] });
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } });
+        st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] });
+        st.end();
+    });
+
+    t.test('limits specific array indices to arrayLimit', function (st) {
+        st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] });
+        st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } });
+
+        st.deepEqual(qs.parse('a[20]=a'), { a: ['a'] });
+        st.deepEqual(qs.parse('a[21]=a'), { a: { 21: 'a' } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number');
+
+    t.test('supports encoded = signs', function (st) {
+        st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' });
+        st.end();
+    });
+
+    t.test('is ok with url encoded strings', function (st) {
+        st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } });
+        st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } });
+        st.end();
+    });
+
+    t.test('allows brackets in the value', function (st) {
+        st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' });
+        st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' });
+        st.end();
+    });
+
+    t.test('allows empty values', function (st) {
+        st.deepEqual(qs.parse(''), {});
+        st.deepEqual(qs.parse(null), {});
+        st.deepEqual(qs.parse(undefined), {});
+        st.end();
+    });
+
+    t.test('transforms arrays to objects', function (st) {
+        st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0][a]=a&foo[0][b]=b&foo[1][a]=aa&foo[1][b]=bb'), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } });
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } });
+        st.end();
+    });
+
+    t.test('transforms arrays to objects (dot notation)', function (st) {
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } });
+        st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].baz[1]=16&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15', '16'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0].a=a&foo[0].b=b&foo[1].a=aa&foo[1].b=bb', { allowDots: true }), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+        st.end();
+    });
+
+    t.test('correctly prunes undefined values when converting an array to an object', function (st) {
+        st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } });
+        st.end();
+    });
+
+    t.test('supports malformed uri characters', function (st) {
+        st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null });
+        st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' });
+        st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' });
+        st.end();
+    });
+
+    t.test('doesn\'t produce empty keys', function (st) {
+        st.deepEqual(qs.parse('_r=1&'), { _r: '1' });
+        st.end();
+    });
+
+    t.test('cannot access Object prototype', function (st) {
+        qs.parse('constructor[prototype][bad]=bad');
+        qs.parse('bad[constructor][prototype][bad]=bad');
+        st.equal(typeof Object.prototype.bad, 'undefined');
+        st.end();
+    });
+
+    t.test('parses arrays of objects', function (st) {
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+        st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] });
+        st.end();
+    });
+
+    t.test('allows for empty strings in arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] });
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 20 + array indices: null then empty string works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 0 + array brackets: null then empty string works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 20 + array indices: empty string then null works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 0 + array brackets: empty string then null works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[]=&a[]=b&a[]=c'),
+            { a: ['', 'b', 'c'] },
+            'array brackets: empty strings work'
+        );
+        st.end();
+    });
+
+    t.test('compacts sparse arrays', function (st) {
+        st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses sparse arrays', function (st) {
+        /* eslint no-sparse-arrays: 0 */
+        st.deepEqual(qs.parse('a[4]=1&a[1]=2', { allowSparse: true }), { a: [, '2', , , '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { allowSparse: true }), { a: [, { b: [, , { c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { allowSparse: true }), { a: [, [, , [, , , { c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { allowSparse: true }), { a: [, [, , [, , , { c: [, '1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses semi-parsed strings', function (st) {
+        st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } });
+        st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } });
+        st.end();
+    });
+
+    t.test('parses buffers correctly', function (st) {
+        var b = SaferBuffer.from('test');
+        st.deepEqual(qs.parse({ a: b }), { a: b });
+        st.end();
+    });
+
+    t.test('parses jquery-param strings', function (st) {
+        // readable = 'filter[0][]=int1&filter[0][]==&filter[0][]=77&filter[]=and&filter[2][]=int2&filter[2][]==&filter[2][]=8'
+        var encoded = 'filter%5B0%5D%5B%5D=int1&filter%5B0%5D%5B%5D=%3D&filter%5B0%5D%5B%5D=77&filter%5B%5D=and&filter%5B2%5D%5B%5D=int2&filter%5B2%5D%5B%5D=%3D&filter%5B2%5D%5B%5D=8';
+        var expected = { filter: [['int1', '=', '77'], 'and', ['int2', '=', '8']] };
+        st.deepEqual(qs.parse(encoded), expected);
+        st.end();
+    });
+
+    t.test('continues parsing when no parent is found', function (st) {
+        st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' });
+        st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' });
+        st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' });
+        st.end();
+    });
+
+    t.test('does not error when parsing a very long array', function (st) {
+        var str = 'a[]=a';
+        while (Buffer.byteLength(str) < 128 * 1024) {
+            str = str + '&' + str;
+        }
+
+        st.doesNotThrow(function () {
+            qs.parse(str);
+        });
+
+        st.end();
+    });
+
+    t.test('should not throw when a native prototype has an enumerable property', function (st) {
+        st.intercept(Object.prototype, 'crash', { value: '' });
+        st.intercept(Array.prototype, 'crash', { value: '' });
+
+        st.doesNotThrow(qs.parse.bind(null, 'a=b'));
+        st.deepEqual(qs.parse('a=b'), { a: 'b' });
+        st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c'));
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+
+        st.end();
+    });
+
+    t.test('parses a string with an alternative string delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('parses a string with an alternative RegExp delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not use non-splittable objects as delimiters', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding parameter limit', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' });
+        st.end();
+    });
+
+    t.test('allows setting the parameter limit to Infinity', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding array limit', function (st) {
+        st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });
+        st.deepEqual(qs.parse('a[0]=b', { arrayLimit: 0 }), { a: ['b'] });
+
+        st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });
+        st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: 0 }), { a: { '-1': 'b' } });
+
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: -1 }), { a: { 0: 'b', 1: 'c' } });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });
+
+        st.end();
+    });
+
+    t.test('allows disabling array parsing', function (st) {
+        var indices = qs.parse('a[0]=b&a[1]=c', { parseArrays: false });
+        st.deepEqual(indices, { a: { 0: 'b', 1: 'c' } });
+        st.equal(Array.isArray(indices.a), false, 'parseArrays:false, indices case is not an array');
+
+        var emptyBrackets = qs.parse('a[]=b', { parseArrays: false });
+        st.deepEqual(emptyBrackets, { a: { 0: 'b' } });
+        st.equal(Array.isArray(emptyBrackets.a), false, 'parseArrays:false, empty brackets case is not an array');
+
+        st.end();
+    });
+
+    t.test('allows for query string prefix', function (st) {
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' });
+
+        st.end();
+    });
+
+    t.test('parses an object', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': 3 },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses string with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo=bar,tee', { comma: true }), { foo: ['bar', 'tee'] });
+        st.deepEqual(qs.parse('foo[bar]=coffee,tee', { comma: true }), { foo: { bar: ['coffee', 'tee'] } });
+        st.deepEqual(qs.parse('foo=', { comma: true }), { foo: '' });
+        st.deepEqual(qs.parse('foo', { comma: true }), { foo: '' });
+        st.deepEqual(qs.parse('foo', { comma: true, strictNullHandling: true }), { foo: null });
+
+        // test cases inversed from from stringify tests
+        st.deepEqual(qs.parse('a[0]=c'), { a: ['c'] });
+        st.deepEqual(qs.parse('a[]=c'), { a: ['c'] });
+        st.deepEqual(qs.parse('a[]=c', { comma: true }), { a: ['c'] });
+
+        st.deepEqual(qs.parse('a[0]=c&a[1]=d'), { a: ['c', 'd'] });
+        st.deepEqual(qs.parse('a[]=c&a[]=d'), { a: ['c', 'd'] });
+        st.deepEqual(qs.parse('a=c,d', { comma: true }), { a: ['c', 'd'] });
+
+        st.end();
+    });
+
+    t.test('parses values with comma as array divider', function (st) {
+        st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: false }), { foo: 'bar,tee' });
+        st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: true }), { foo: ['bar', 'tee'] });
+        st.end();
+    });
+
+    t.test('use number decoder, parses string that has one number with comma option enabled', function (st) {
+        var decoder = function (str, defaultDecoder, charset, type) {
+            if (!isNaN(Number(str))) {
+                return parseFloat(str);
+            }
+            return defaultDecoder(str, defaultDecoder, charset, type);
+        };
+
+        st.deepEqual(qs.parse('foo=1', { comma: true, decoder: decoder }), { foo: 1 });
+        st.deepEqual(qs.parse('foo=0', { comma: true, decoder: decoder }), { foo: 0 });
+
+        st.end();
+    });
+
+    t.test('parses brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=', { comma: true }), { foo: [['1', '2', '3'], ''] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });
+
+        st.end();
+    });
+
+    t.test('parses url-encoded brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=', { comma: true }), { foo: [['1', '2', '3'], ''] });
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });
+        st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });
+
+        st.end();
+    });
+
+    t.test('parses comma delimited array while having percent-encoded comma treated as normal text', function (st) {
+        st.deepEqual(qs.parse('foo=a%2Cb', { comma: true }), { foo: 'a,b' });
+        st.deepEqual(qs.parse('foo=a%2C%20b,d', { comma: true }), { foo: ['a, b', 'd'] });
+        st.deepEqual(qs.parse('foo=a%2C%20b,c%2C%20d', { comma: true }), { foo: ['a, b', 'c, d'] });
+
+        st.end();
+    });
+
+    t.test('parses an object in dot notation', function (st) {
+        var input = {
+            'user.name': { 'pop[bob]': 3 },
+            'user.email.': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input, { allowDots: true });
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses an object and not child values', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': { test: 3 } },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': { test: 3 } },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var restore = mockProperty(global, 'Buffer', { 'delete': true });
+
+        var result = qs.parse('a=b&c=d');
+
+        restore();
+
+        st.deepEqual(result, { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        var parsed;
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+        st.equal('bar' in parsed.foo, true);
+        st.equal('baz' in parsed.foo, true);
+        st.equal(parsed.foo.bar, 'baz');
+        st.deepEqual(parsed.foo.baz, a);
+        st.end();
+    });
+
+    t.test('does not crash when parsing deep objects', function (st) {
+        var parsed;
+        var str = 'foo';
+
+        for (var i = 0; i < 5000; i++) {
+            str += '[p]';
+        }
+
+        str += '=bar';
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse(str, { depth: 5000 });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+
+        var depth = 0;
+        var ref = parsed.foo;
+        while ((ref = ref.p)) {
+            depth += 1;
+        }
+
+        st.equal(depth, 5000, 'parsed is 5000 properties deep');
+
+        st.end();
+    });
+
+    t.test('parses null objects correctly', { skip: !Object.create }, function (st) {
+        var a = Object.create(null);
+        a.b = 'c';
+
+        st.deepEqual(qs.parse(a), { b: 'c' });
+        var result = qs.parse({ a: a });
+        st.equal('a' in result, true, 'result has "a" property');
+        st.deepEqual(result.a, a);
+        st.end();
+    });
+
+    t.test('parses dates correctly', function (st) {
+        var now = new Date();
+        st.deepEqual(qs.parse({ a: now }), { a: now });
+        st.end();
+    });
+
+    t.test('parses regular expressions correctly', function (st) {
+        var re = /^test$/;
+        st.deepEqual(qs.parse({ a: re }), { a: re });
+        st.end();
+    });
+
+    t.test('does not allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {});
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {});
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: false }),
+            {},
+            'bare "toString" results in {}'
+        );
+
+        st.end();
+    });
+
+    t.test('can allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } });
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' });
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: true }),
+            { toString: '' },
+            'bare "toString" results in { toString: "" }'
+        );
+
+        st.end();
+    });
+
+    t.test('does not crash when the global Object prototype is frozen', { skip: !hasPropertyDescriptors || !hasOverrideMistake }, function (st) {
+        // We can't actually freeze the global Object prototype as that will interfere with other tests, and once an object is frozen, it
+        // can't be unfrozen. Instead, we add a new non-writable property to simulate this.
+        st.teardown(mockProperty(Object.prototype, 'frozenProp', { value: 'foo', nonWritable: true, nonEnumerable: true }));
+
+        st['throws'](
+            function () {
+                var obj = {};
+                obj.frozenProp = 'bar';
+            },
+            // node < 6 has a different error message
+            /^TypeError: Cannot assign to read only property 'frozenProp' of (?:object '#<Object>'|#<Object>)/,
+            'regular assignment of an inherited non-writable property throws'
+        );
+
+        var parsed;
+        st.doesNotThrow(
+            function () {
+                parsed = qs.parse('frozenProp', { allowPrototypes: false });
+            },
+            'parsing a nonwritable Object.prototype property does not throw'
+        );
+
+        st.deepEqual(parsed, {}, 'bare "frozenProp" results in {}');
+
+        st.end();
+    });
+
+    t.test('params starting with a closing bracket', function (st) {
+        st.deepEqual(qs.parse(']=toString'), { ']': 'toString' });
+        st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' });
+        st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' });
+        st.end();
+    });
+
+    t.test('params starting with a starting bracket', function (st) {
+        st.deepEqual(qs.parse('[=toString'), { '[': 'toString' });
+        st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' });
+        st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' });
+        st.end();
+    });
+
+    t.test('add keys to objects', function (st) {
+        st.deepEqual(
+            qs.parse('a[b]=c&a=d'),
+            { a: { b: 'c', d: true } },
+            'can add keys to objects'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString'),
+            { a: { b: 'c' } },
+            'can not overwrite prototype'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { allowPrototypes: true }),
+            { a: { b: 'c', toString: true } },
+            'can overwrite prototype with allowPrototypes true'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { plainObjects: true }),
+            { __proto__: null, a: { __proto__: null, b: 'c', toString: true } },
+            'can overwrite prototype with plainObjects true'
+        );
+
+        st.end();
+    });
+
+    t.test('dunder proto is ignored', function (st) {
+        var payload = 'categories[__proto__]=login&categories[__proto__]&categories[length]=42';
+        var result = qs.parse(payload, { allowPrototypes: true });
+
+        st.deepEqual(
+            result,
+            {
+                categories: {
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload'
+        );
+
+        var plainResult = qs.parse(payload, { allowPrototypes: true, plainObjects: true });
+
+        st.deepEqual(
+            plainResult,
+            {
+                __proto__: null,
+                categories: {
+                    __proto__: null,
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload: plain objects'
+        );
+
+        var query = qs.parse('categories[__proto__]=cats&categories[__proto__]=dogs&categories[some][json]=toInject', { allowPrototypes: true });
+
+        st.notOk(Array.isArray(query.categories), 'is not an array');
+        st.notOk(query.categories instanceof Array, 'is not instanceof an array');
+        st.deepEqual(query.categories, { some: { json: 'toInject' } });
+        st.equal(JSON.stringify(query.categories), '{"some":{"json":"toInject"}}', 'stringifies as a non-array');
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true }),
+            {
+                foo: {
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values'
+        );
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true, plainObjects: true }),
+            {
+                __proto__: null,
+                foo: {
+                    __proto__: null,
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values: plain objects'
+        );
+
+        st.end();
+    });
+
+    t.test('can return null objects', { skip: !Object.create }, function (st) {
+        var expected = Object.create(null);
+        expected.a = Object.create(null);
+        expected.a.b = 'c';
+        expected.a.hasOwnProperty = 'd';
+        st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected);
+        st.deepEqual(qs.parse(null, { plainObjects: true }), Object.create(null));
+        var expectedArray = Object.create(null);
+        expectedArray.a = Object.create(null);
+        expectedArray.a[0] = 'b';
+        expectedArray.a.c = 'd';
+        st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray);
+        st.end();
+    });
+
+    t.test('can parse with custom encoding', function (st) {
+        st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', {
+            decoder: function (str) {
+                var reg = /%([0-9A-F]{2})/ig;
+                var result = [];
+                var parts = reg.exec(str);
+                while (parts) {
+                    result.push(parseInt(parts[1], 16));
+                    parts = reg.exec(str);
+                }
+                return String(iconv.decode(SaferBuffer.from(result), 'shift_jis'));
+            }
+        }), { 県: '大阪府' });
+        st.end();
+    });
+
+    t.test('receives the default decoder as a second argument', function (st) {
+        st.plan(1);
+        qs.parse('a', {
+            decoder: function (str, defaultDecoder) {
+                st.equal(defaultDecoder, utils.decode);
+            }
+        });
+        st.end();
+    });
+
+    t.test('throws error with wrong decoder', function (st) {
+        st['throws'](function () {
+            qs.parse({}, { decoder: 'string' });
+        }, new TypeError('Decoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.parse('a[b]=true', options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('throws if an invalid charset is specified', function (st) {
+        st['throws'](function () {
+            qs.parse('a=b', { charset: 'foobar' });
+        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
+        st.end();
+    });
+
+    t.test('parses an iso-8859-1 string if asked to', function (st) {
+        st.deepEqual(qs.parse('%A2=%BD', { charset: 'iso-8859-1' }), { '¢': '½' });
+        st.end();
+    });
+
+    var urlEncodedCheckmarkInUtf8 = '%E2%9C%93';
+    var urlEncodedOSlashInUtf8 = '%C3%B8';
+    var urlEncodedNumCheckmark = '%26%2310003%3B';
+    var urlEncodedNumSmiley = '%26%239786%3B';
+
+    t.test('prefers an utf-8 charset specified by the utf8 sentinel to a default charset of iso-8859-1', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'iso-8859-1' }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('prefers an iso-8859-1 charset specified by the utf8 sentinel to a default charset of utf-8', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { 'ø': 'ø' });
+        st.end();
+    });
+
+    t.test('does not require the utf8 sentinel to be defined before the parameters whose decoding it affects', function (st) {
+        st.deepEqual(qs.parse('a=' + urlEncodedOSlashInUtf8 + '&utf8=' + urlEncodedNumCheckmark, { charsetSentinel: true, charset: 'utf-8' }), { a: 'ø' });
+        st.end();
+    });
+
+    t.test('should ignore an utf8 sentinel with an unknown value', function (st) {
+        st.deepEqual(qs.parse('utf8=foo&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('uses the utf8 sentinel to switch to utf-8 when no default charset is given', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('uses the utf8 sentinel to switch to iso-8859-1 when no default charset is given', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { 'ø': 'ø' });
+        st.end();
+    });
+
+    t.test('interprets numeric entities in iso-8859-1 when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1', interpretNumericEntities: true }), { foo: '☺' });
+        st.end();
+    });
+
+    t.test('handles a custom decoder returning `null`, in the `iso-8859-1` charset, when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=&bar=' + urlEncodedNumSmiley, {
+            charset: 'iso-8859-1',
+            decoder: function (str, defaultDecoder, charset) {
+                return str ? defaultDecoder(str, defaultDecoder, charset) : null;
+            },
+            interpretNumericEntities: true
+        }), { foo: null, bar: '☺' });
+        st.end();
+    });
+
+    t.test('does not interpret numeric entities in iso-8859-1 when `interpretNumericEntities` is absent', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1' }), { foo: '&#9786;' });
+        st.end();
+    });
+
+    t.test('does not interpret numeric entities when the charset is utf-8, even when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'utf-8', interpretNumericEntities: true }), { foo: '&#9786;' });
+        st.end();
+    });
+
+    t.test('does not interpret %uXXXX syntax in iso-8859-1 mode', function (st) {
+        st.deepEqual(qs.parse('%u263A=%u263A', { charset: 'iso-8859-1' }), { '%u263A': '%u263A' });
+        st.end();
+    });
+
+    t.test('allows for decoding keys and values differently', function (st) {
+        var decoder = function (str, defaultDecoder, charset, type) {
+            if (type === 'key') {
+                return defaultDecoder(str, defaultDecoder, charset, type).toLowerCase();
+            }
+            if (type === 'value') {
+                return defaultDecoder(str, defaultDecoder, charset, type).toUpperCase();
+            }
+            throw 'this should never happen! type: ' + type;
+        };
+
+        st.deepEqual(qs.parse('KeY=vAlUe', { decoder: decoder }), { key: 'VALUE' });
+        st.end();
+    });
+
+    t.end();
+});
+
+test('parses empty keys', function (t) {
+    emptyTestCases.forEach(function (testCase) {
+        t.test('skips empty string key with ' + testCase.input, function (st) {
+            st.deepEqual(qs.parse(testCase.input), testCase.noEmptyKeys);
+
+            st.end();
+        });
+    });
+});
+
+test('`duplicates` option', function (t) {
+    v.nonStrings.concat('not a valid option').forEach(function (invalidOption) {
+        if (typeof invalidOption !== 'undefined') {
+            t['throws'](
+                function () { qs.parse('', { duplicates: invalidOption }); },
+                TypeError,
+                'throws on invalid option: ' + inspect(invalidOption)
+            );
+        }
+    });
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz'),
+        { foo: ['bar', 'baz'] },
+        'duplicates: default, combine'
+    );
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz', { duplicates: 'combine' }),
+        { foo: ['bar', 'baz'] },
+        'duplicates: combine'
+    );
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz', { duplicates: 'first' }),
+        { foo: 'bar' },
+        'duplicates: first'
+    );
+
+    t.deepEqual(
+        qs.parse('foo=bar&foo=baz', { duplicates: 'last' }),
+        { foo: 'baz' },
+        'duplicates: last'
+    );
+
+    t.end();
+});
diff --git a/web/public/node_modules/qs/test/stringify.js b/web/public/node_modules/qs/test/stringify.js
new file mode 100644
index 000000000..12b1c71d6
--- /dev/null
+++ b/web/public/node_modules/qs/test/stringify.js
@@ -0,0 +1,1298 @@
+'use strict';
+
+var test = require('tape');
+var qs = require('../');
+var utils = require('../lib/utils');
+var iconv = require('iconv-lite');
+var SaferBuffer = require('safer-buffer').Buffer;
+var hasSymbols = require('has-symbols');
+var mockProperty = require('mock-property');
+var emptyTestCases = require('./empty-keys-cases').emptyTestCases;
+var hasBigInt = typeof BigInt === 'function';
+
+test('stringify()', function (t) {
+    t.test('stringifies a querystring object', function (st) {
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }), 'a=1');
+        st.equal(qs.stringify({ a: 1, b: 2 }), 'a=1&b=2');
+        st.equal(qs.stringify({ a: 'A_Z' }), 'a=A_Z');
+        st.equal(qs.stringify({ a: '€' }), 'a=%E2%82%AC');
+        st.equal(qs.stringify({ a: '' }), 'a=%EE%80%80');
+        st.equal(qs.stringify({ a: 'א' }), 'a=%D7%90');
+        st.equal(qs.stringify({ a: '𐐷' }), 'a=%F0%90%90%B7');
+        st.end();
+    });
+
+    t.test('stringifies falsy values', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(null, { strictNullHandling: true }), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(0), '');
+        st.end();
+    });
+
+    t.test('stringifies symbols', { skip: !hasSymbols() }, function (st) {
+        st.equal(qs.stringify(Symbol.iterator), '');
+        st.equal(qs.stringify([Symbol.iterator]), '0=Symbol%28Symbol.iterator%29');
+        st.equal(qs.stringify({ a: Symbol.iterator }), 'a=Symbol%28Symbol.iterator%29');
+        st.equal(
+            qs.stringify({ a: [Symbol.iterator] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[]=Symbol%28Symbol.iterator%29'
+        );
+        st.end();
+    });
+
+    t.test('stringifies bigints', { skip: !hasBigInt }, function (st) {
+        var three = BigInt(3);
+        var encodeWithN = function (value, defaultEncoder, charset) {
+            var result = defaultEncoder(value, defaultEncoder, charset);
+            return typeof value === 'bigint' ? result + 'n' : result;
+        };
+        st.equal(qs.stringify(three), '');
+        st.equal(qs.stringify([three]), '0=3');
+        st.equal(qs.stringify([three], { encoder: encodeWithN }), '0=3n');
+        st.equal(qs.stringify({ a: three }), 'a=3');
+        st.equal(qs.stringify({ a: three }, { encoder: encodeWithN }), 'a=3n');
+        st.equal(
+            qs.stringify({ a: [three] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[]=3'
+        );
+        st.equal(
+            qs.stringify({ a: [three] }, { encodeValuesOnly: true, encoder: encodeWithN, arrayFormat: 'brackets' }),
+            'a[]=3n'
+        );
+        st.end();
+    });
+
+    t.test('encodes dot in key of object when encodeDotInKeys and allowDots is provided', function (st) {
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: false }
+            ),
+            'name.obj%5Bfirst%5D=John&name.obj%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: false }
+            ),
+            'name.obj.first=John&name.obj.last=Doe',
+            'with allowDots true and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: true }
+            ),
+            'name%252Eobj%5Bfirst%5D=John&name%252Eobj%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys true'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj': { first: 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: true }
+            ),
+            'name%252Eobj.first=John&name%252Eobj.last=Doe',
+            'with allowDots true and encodeDotInKeys true'
+        );
+
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: false }
+            ),
+            'name.obj.subobject%5Bfirst.godly.name%5D=John&name.obj.subobject%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: false }
+            ),
+            'name.obj.subobject.first.godly.name=John&name.obj.subobject.last=Doe',
+            'with allowDots false and encodeDotInKeys false'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: false, encodeDotInKeys: true }
+            ),
+            'name%252Eobj%252Esubobject%5Bfirst.godly.name%5D=John&name%252Eobj%252Esubobject%5Blast%5D=Doe',
+            'with allowDots false and encodeDotInKeys true'
+        );
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { allowDots: true, encodeDotInKeys: true }
+            ),
+            'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+            'with allowDots true and encodeDotInKeys true'
+        );
+
+        st.end();
+    });
+
+    t.test('should encode dot in key of object, and automatically set allowDots to `true` when encodeDotInKeys is true and allowDots in undefined', function (st) {
+        st.equal(
+            qs.stringify(
+                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
+                { encodeDotInKeys: true }
+            ),
+            'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
+            'with allowDots undefined and encodeDotInKeys true'
+        );
+        st.end();
+    });
+
+    t.test('should encode dot in key of object when encodeDotInKeys and allowDots is provided, and nothing else when encodeValuesOnly is provided', function (st) {
+        st.equal(
+            qs.stringify({ 'name.obj': { first: 'John', last: 'Doe' } }, {
+                encodeDotInKeys: true, allowDots: true, encodeValuesOnly: true
+            }),
+            'name%2Eobj.first=John&name%2Eobj.last=Doe'
+        );
+
+        st.equal(
+            qs.stringify({ 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } }, { allowDots: true, encodeDotInKeys: true, encodeValuesOnly: true }),
+            'name%2Eobj%2Esubobject.first%2Egodly%2Ename=John&name%2Eobj%2Esubobject.last=Doe'
+        );
+
+        st.end();
+    });
+
+    t.test('throws when `commaRoundTrip` is not a boolean', function (st) {
+        st['throws'](
+            function () { qs.stringify({}, { commaRoundTrip: 'not a boolean' }); },
+            TypeError,
+            'throws when `commaRoundTrip` is not a boolean'
+        );
+
+        st.end();
+    });
+
+    t.test('throws when `encodeDotInKeys` is not a boolean', function (st) {
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: 0 }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('adds query prefix', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { addQueryPrefix: true }), '?a=b');
+        st.end();
+    });
+
+    t.test('with query prefix, outputs blank string given an empty object', function (st) {
+        st.equal(qs.stringify({}, { addQueryPrefix: true }), '');
+        st.end();
+    });
+
+    t.test('stringifies nested falsy values', function (st) {
+        st.equal(qs.stringify({ a: { b: { c: null } } }), 'a%5Bb%5D%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: { c: null } } }, { strictNullHandling: true }), 'a%5Bb%5D%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: { c: false } } }), 'a%5Bb%5D%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies a nested object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }), 'a%5Bb%5D%5Bc%5D%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('`allowDots` option: stringifies a nested object with dots notation', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }, { allowDots: true }), 'a.b=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }, { allowDots: true }), 'a.b.c.d=e');
+        st.end();
+    });
+
+    t.test('stringifies an array value', function (st) {
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D=b&a%5B%5D=c&a%5B%5D=d',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma' }),
+            'a=b%2Cc%2Cd',
+            'comma => comma'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma', commaRoundTrip: true }),
+            'a=b%2Cc%2Cd',
+            'comma round trip => comma'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'default => indices'
+        );
+        st.end();
+    });
+
+    t.test('`skipNulls` option', function (st) {
+        st.equal(
+            qs.stringify({ a: 'b', c: null }, { skipNulls: true }),
+            'a=b',
+            'omits nulls when asked'
+        );
+
+        st.equal(
+            qs.stringify({ a: { b: 'c', d: null } }, { skipNulls: true }),
+            'a%5Bb%5D=c',
+            'omits nested nulls when asked'
+        );
+
+        st.end();
+    });
+
+    t.test('omits array indices when asked', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false }), 'a=b&a=c&a=d');
+
+        st.end();
+    });
+
+    t.test('omits object key/value pair when value is empty array', function (st) {
+        st.equal(qs.stringify({ a: [], b: 'zz' }), 'b=zz');
+
+        st.end();
+    });
+
+    t.test('should not omit object key/value pair when value is empty array and when asked', function (st) {
+        st.equal(qs.stringify({ a: [], b: 'zz' }), 'b=zz');
+        st.equal(qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: false }), 'b=zz');
+        st.equal(qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: true }), 'a[]&b=zz');
+
+        st.end();
+    });
+
+    t.test('should throw when allowEmptyArrays is not of type boolean', function (st) {
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: 'foobar' }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: 0 }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: NaN }); },
+            TypeError
+        );
+
+        st['throws'](
+            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: null }); },
+            TypeError
+        );
+
+        st.end();
+    });
+
+    t.test('allowEmptyArrays + strictNullHandling', function (st) {
+        st.equal(
+            qs.stringify(
+                { testEmptyArray: [] },
+                { strictNullHandling: true, allowEmptyArrays: true }
+            ),
+            'testEmptyArray[]'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an array value with one item vs multiple items', function (st) {
+        st.test('non-array item', function (s2t) {
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a=c');
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a=c');
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c');
+            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true }), 'a=c');
+
+            s2t.end();
+        });
+
+        st.test('array with a single item', function (s2t) {
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=c');
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=c');
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c');
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a[]=c'); // so it parses back as an array
+            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true }), 'a[0]=c');
+
+            s2t.end();
+        });
+
+        st.test('array with multiple items', function (s2t) {
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=c&a[1]=d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=c&a[]=d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c,d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a=c,d');
+            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true }), 'a[0]=c&a[1]=d');
+
+            s2t.end();
+        });
+
+        st.test('array with multiple items with a comma inside', function (s2t) {
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c%2Cd,e');
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { arrayFormat: 'comma' }), 'a=c%2Cd%2Ce');
+
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a=c%2Cd,e');
+            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { arrayFormat: 'comma', commaRoundTrip: true }), 'a=c%2Cd%2Ce');
+
+            s2t.end();
+        });
+
+        st.end();
+    });
+
+    t.test('stringifies a nested array value', function (st) {
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[b][0]=c&a[b][1]=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[b][]=c&a[b][]=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a[b]=c,d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true }), 'a[b][0]=c&a[b][1]=d');
+        st.end();
+    });
+
+    t.test('stringifies comma and empty array values', function (st) {
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'indices' }), 'a[0]=,&a[1]=&a[2]=c,d%');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'brackets' }), 'a[]=,&a[]=&a[]=c,d%');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'comma' }), 'a=,,,c,d%');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'repeat' }), 'a=,&a=&a=c,d%');
+
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=%2C&a[1]=&a[2]=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=%2C&a[]=&a[]=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=%2C,,c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=%2C&a=&a=c%2Cd%25');
+
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'indices' }), 'a%5B0%5D=%2C&a%5B1%5D=&a%5B2%5D=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'brackets' }), 'a%5B%5D=%2C&a%5B%5D=&a%5B%5D=c%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'comma' }), 'a=%2C%2C%2Cc%2Cd%25');
+        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'repeat' }), 'a=%2C&a=&a=c%2Cd%25');
+
+        st.end();
+    });
+
+    t.test('stringifies comma and empty non-array values', function (st) {
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'indices' }), 'a=,&b=&c=c,d%');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'brackets' }), 'a=,&b=&c=c,d%');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'comma' }), 'a=,&b=&c=c,d%');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'repeat' }), 'a=,&b=&c=c,d%');
+
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'indices' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=%2C&b=&c=c%2Cd%25');
+
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'indices' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'brackets' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'comma' }), 'a=%2C&b=&c=c%2Cd%25');
+        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'repeat' }), 'a=%2C&b=&c=c%2Cd%25');
+
+        st.end();
+    });
+
+    t.test('stringifies a nested array value with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'indices' }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'indices: stringifies with dots + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'brackets' }
+            ),
+            'a.b[]=c&a.b[]=d',
+            'brackets: stringifies with dots + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'comma' }
+            ),
+            'a.b=c,d',
+            'comma: stringifies with dots + comma'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'default: stringifies with dots + indices'
+        );
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'indices', encodeValuesOnly: true }),
+            'a[0][b]=c',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'repeat', encodeValuesOnly: true }),
+            'a[b]=c',
+            'repeat => repeat'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'brackets', encodeValuesOnly: true }),
+            'a[][b]=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { encodeValuesOnly: true }),
+            'a[0][b]=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'indices', encodeValuesOnly: true }),
+            'a[0][b][c][0]=1',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'repeat', encodeValuesOnly: true }),
+            'a[b][c]=1',
+            'repeat => repeat'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'brackets', encodeValuesOnly: true }),
+            'a[][b][c][]=1',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { encodeValuesOnly: true }),
+            'a[0][b][c][0]=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an array with mixed objects and primitives', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[][b]=1&a[]=2&a[]=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'comma' }),
+            '???',
+            'brackets => brackets',
+            { skip: 'TODO: figure out what this should do' }
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b=c',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b.c[0]=1',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b.c[]=1',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b.c[0]=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('does not omit object keys when indices = false', function (st) {
+        st.equal(qs.stringify({ a: [{ b: 'c' }] }, { indices: false }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when indices=true', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { indices: true }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when no arrayFormat is specified', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when arrayFormat=indices', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses repeat notation for arrays when arrayFormat=repeat', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' }), 'a=b&a=c');
+        st.end();
+    });
+
+    t.test('uses brackets notation for arrays when arrayFormat=brackets', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' }), 'a%5B%5D=b&a%5B%5D=c');
+        st.end();
+    });
+
+    t.test('stringifies a complicated object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c', d: 'e' } }), 'a%5Bb%5D=c&a%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('stringifies an empty value', function (st) {
+        st.equal(qs.stringify({ a: '' }), 'a=');
+        st.equal(qs.stringify({ a: null }, { strictNullHandling: true }), 'a');
+
+        st.equal(qs.stringify({ a: '', b: '' }), 'a=&b=');
+        st.equal(qs.stringify({ a: null, b: '' }, { strictNullHandling: true }), 'a&b=');
+
+        st.equal(qs.stringify({ a: { b: '' } }), 'a%5Bb%5D=');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: true }), 'a%5Bb%5D');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: false }), 'a%5Bb%5D=');
+
+        st.end();
+    });
+
+    t.test('stringifies an empty array in different arrayFormat', function (st) {
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false }), 'b[0]=&c=c');
+        // arrayFormat default
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices' }), 'b[0]=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets' }), 'b[]=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat' }), 'b=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma' }), 'b=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', commaRoundTrip: true }), 'b[]=&c=c');
+        // with strictNullHandling
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', strictNullHandling: true }), 'b[0]&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', strictNullHandling: true }), 'b[]&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', strictNullHandling: true }), 'b&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true }), 'b&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true, commaRoundTrip: true }), 'b[]&c=c');
+        // with skipNulls
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', skipNulls: true }), 'c=c');
+
+        st.end();
+    });
+
+    t.test('stringifies a null object', { skip: !Object.create }, function (st) {
+        var obj = Object.create(null);
+        obj.a = 'b';
+        st.equal(qs.stringify(obj), 'a=b');
+        st.end();
+    });
+
+    t.test('returns an empty string for invalid input', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(''), '');
+        st.end();
+    });
+
+    t.test('stringifies an object with a null object as a child', { skip: !Object.create }, function (st) {
+        var obj = { a: Object.create(null) };
+
+        obj.a.b = 'c';
+        st.equal(qs.stringify(obj), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('drops keys with a value of undefined', function (st) {
+        st.equal(qs.stringify({ a: undefined }), '');
+
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: true }), 'a%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: false }), 'a%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: undefined, c: '' } }), 'a%5Bc%5D=');
+        st.end();
+    });
+
+    t.test('url encodes values', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.end();
+    });
+
+    t.test('stringifies a date', function (st) {
+        var now = new Date();
+        var str = 'a=' + encodeURIComponent(now.toISOString());
+        st.equal(qs.stringify({ a: now }), str);
+        st.end();
+    });
+
+    t.test('stringifies the weird object from qs', function (st) {
+        st.equal(qs.stringify({ 'my weird field': '~q1!2"\'w$5&7/z8)?' }), 'my%20weird%20field=~q1%212%22%27w%245%267%2Fz8%29%3F');
+        st.end();
+    });
+
+    t.test('skips properties that are part of the object prototype', function (st) {
+        st.intercept(Object.prototype, 'crash', { value: 'test' });
+
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+
+        st.end();
+    });
+
+    t.test('stringifies boolean values', function (st) {
+        st.equal(qs.stringify({ a: true }), 'a=true');
+        st.equal(qs.stringify({ a: { b: true } }), 'a%5Bb%5D=true');
+        st.equal(qs.stringify({ b: false }), 'b=false');
+        st.equal(qs.stringify({ b: { c: false } }), 'b%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies buffer values', function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from('test') }), 'a=test');
+        st.equal(qs.stringify({ a: { b: SaferBuffer.from('test') } }), 'a%5Bb%5D=test');
+        st.end();
+    });
+
+    t.test('stringifies an object using an alternative delimiter', function (st) {
+        st.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var restore = mockProperty(global, 'Buffer', { 'delete': true });
+
+        var result = qs.stringify({ a: 'b', c: 'd' });
+
+        restore();
+
+        st.equal(result, 'a=b&c=d');
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        st['throws'](
+            function () { qs.stringify({ 'foo[bar]': 'baz', 'foo[baz]': a }); },
+            /RangeError: Cyclic object value/,
+            'cyclic values throw'
+        );
+
+        var circular = {
+            a: 'value'
+        };
+        circular.a = circular;
+        st['throws'](
+            function () { qs.stringify(circular); },
+            /RangeError: Cyclic object value/,
+            'cyclic values throw'
+        );
+
+        var arr = ['a'];
+        st.doesNotThrow(
+            function () { qs.stringify({ x: arr, y: arr }); },
+            'non-cyclic values do not throw'
+        );
+
+        st.end();
+    });
+
+    t.test('non-circular duplicated references can still work', function (st) {
+        var hourOfDay = {
+            'function': 'hour_of_day'
+        };
+
+        var p1 = {
+            'function': 'gte',
+            arguments: [hourOfDay, 0]
+        };
+        var p2 = {
+            'function': 'lte',
+            arguments: [hourOfDay, 23]
+        };
+
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
+            'filters[$and][0][function]=gte&filters[$and][0][arguments][0][function]=hour_of_day&filters[$and][0][arguments][1]=0&filters[$and][1][function]=lte&filters[$and][1][arguments][0][function]=hour_of_day&filters[$and][1][arguments][1]=23'
+        );
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'filters[$and][][function]=gte&filters[$and][][arguments][][function]=hour_of_day&filters[$and][][arguments][]=0&filters[$and][][function]=lte&filters[$and][][arguments][][function]=hour_of_day&filters[$and][][arguments][]=23'
+        );
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'repeat' }),
+            'filters[$and][function]=gte&filters[$and][arguments][function]=hour_of_day&filters[$and][arguments]=0&filters[$and][function]=lte&filters[$and][arguments][function]=hour_of_day&filters[$and][arguments]=23'
+        );
+
+        st.end();
+    });
+
+    t.test('selects properties when filter=array', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { filter: ['a'] }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }, { filter: [] }), '');
+
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'indices' }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'brackets' }
+            ),
+            'a%5Bb%5D%5B%5D=1&a%5Bb%5D%5B%5D=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2] }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('supports custom representations when filter=function', function (st) {
+        var calls = 0;
+        var obj = { a: 'b', c: 'd', e: { f: new Date(1257894000000) } };
+        var filterFunc = function (prefix, value) {
+            calls += 1;
+            if (calls === 1) {
+                st.equal(prefix, '', 'prefix is empty');
+                st.equal(value, obj);
+            } else if (prefix === 'c') {
+                return void 0;
+            } else if (value instanceof Date) {
+                st.equal(prefix, 'e[f]');
+                return value.getTime();
+            }
+            return value;
+        };
+
+        st.equal(qs.stringify(obj, { filter: filterFunc }), 'a=b&e%5Bf%5D=1257894000000');
+        st.equal(calls, 5);
+        st.end();
+    });
+
+    t.test('can disable uri encoding', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { encode: false }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }, { encode: false }), 'a[b]=c');
+        st.equal(qs.stringify({ a: 'b', c: null }, { strictNullHandling: true, encode: false }), 'a=b&c');
+        st.end();
+    });
+
+    t.test('can sort the keys', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(qs.stringify({ a: 'c', z: 'y', b: 'f' }, { sort: sort }), 'a=c&b=f&z=y');
+        st.equal(qs.stringify({ a: 'c', z: { j: 'a', i: 'b' }, b: 'f' }, { sort: sort }), 'a=c&b=f&z%5Bi%5D=b&z%5Bj%5D=a');
+        st.end();
+    });
+
+    t.test('can sort the keys at depth 3 or more too', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: sort, encode: false }
+            ),
+            'a=a&b=b&z[zi][zia]=zia&z[zi][zib]=zib&z[zj][zja]=zja&z[zj][zjb]=zjb'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: null, encode: false }
+            ),
+            'a=a&z[zj][zjb]=zjb&z[zj][zja]=zja&z[zi][zib]=zib&z[zi][zia]=zia&b=b'
+        );
+        st.end();
+    });
+
+    t.test('can stringify with custom encoding', function (st) {
+        st.equal(qs.stringify({ 県: '大阪府', '': '' }, {
+            encoder: function (str) {
+                if (str.length === 0) {
+                    return '';
+                }
+                var buf = iconv.encode(str, 'shiftjis');
+                var result = [];
+                for (var i = 0; i < buf.length; ++i) {
+                    result.push(buf.readUInt8(i).toString(16));
+                }
+                return '%' + result.join('%');
+            }
+        }), '%8c%a7=%91%e5%8d%e3%95%7b&=');
+        st.end();
+    });
+
+    t.test('receives the default encoder as a second argument', function (st) {
+        st.plan(8);
+
+        qs.stringify({ a: 1, b: new Date(), c: true, d: [1] }, {
+            encoder: function (str) {
+                st.match(typeof str, /^(?:string|number|boolean)$/);
+                return '';
+            }
+        });
+
+        st.end();
+    });
+
+    t.test('receives the default encoder as a second argument', function (st) {
+        st.plan(2);
+
+        qs.stringify({ a: 1 }, {
+            encoder: function (str, defaultEncoder) {
+                st.equal(defaultEncoder, utils.encode);
+            }
+        });
+
+        st.end();
+    });
+
+    t.test('throws error with wrong encoder', function (st) {
+        st['throws'](function () {
+            qs.stringify({}, { encoder: 'string' });
+        }, new TypeError('Encoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('can use custom encoder for a buffer object', { skip: typeof Buffer === 'undefined' }, function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from([1]) }, {
+            encoder: function (buffer) {
+                if (typeof buffer === 'string') {
+                    return buffer;
+                }
+                return String.fromCharCode(buffer.readUInt8(0) + 97);
+            }
+        }), 'a=b');
+
+        st.equal(qs.stringify({ a: SaferBuffer.from('a b') }, {
+            encoder: function (buffer) {
+                return buffer;
+            }
+        }), 'a=a b');
+        st.end();
+    });
+
+    t.test('serializeDate option', function (st) {
+        var date = new Date();
+        st.equal(
+            qs.stringify({ a: date }),
+            'a=' + date.toISOString().replace(/:/g, '%3A'),
+            'default is toISOString'
+        );
+
+        var mutatedDate = new Date();
+        mutatedDate.toISOString = function () {
+            throw new SyntaxError();
+        };
+        st['throws'](function () {
+            mutatedDate.toISOString();
+        }, SyntaxError);
+        st.equal(
+            qs.stringify({ a: mutatedDate }),
+            'a=' + Date.prototype.toISOString.call(mutatedDate).replace(/:/g, '%3A'),
+            'toISOString works even when method is not locally present'
+        );
+
+        var specificDate = new Date(6);
+        st.equal(
+            qs.stringify(
+                { a: specificDate },
+                { serializeDate: function (d) { return d.getTime() * 7; } }
+            ),
+            'a=42',
+            'custom serializeDate function called'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [date] },
+                {
+                    serializeDate: function (d) { return d.getTime(); },
+                    arrayFormat: 'comma'
+                }
+            ),
+            'a=' + date.getTime(),
+            'works with arrayFormat comma'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [date] },
+                {
+                    serializeDate: function (d) { return d.getTime(); },
+                    arrayFormat: 'comma',
+                    commaRoundTrip: true
+                }
+            ),
+            'a%5B%5D=' + date.getTime(),
+            'works with arrayFormat comma'
+        );
+
+        st.end();
+    });
+
+    t.test('RFC 1738 serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC1738 }), 'a=b+c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC1738 }), 'a+b=c+d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC1738 }), 'a+b=a+b');
+
+        st.equal(qs.stringify({ 'foo(ref)': 'bar' }, { format: qs.formats.RFC1738 }), 'foo(ref)=bar');
+
+        st.end();
+    });
+
+    t.test('RFC 3986 spaces serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC3986 }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC3986 }), 'a%20b=c%20d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC3986 }), 'a%20b=a%20b');
+
+        st.end();
+    });
+
+    t.test('Backward compatibility to RFC 3986', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }), 'a%20b=a%20b');
+
+        st.end();
+    });
+
+    t.test('Edge cases and unknown formats', function (st) {
+        ['UFO1234', false, 1234, null, {}, []].forEach(function (format) {
+            st['throws'](
+                function () {
+                    qs.stringify({ a: 'b c' }, { format: format });
+                },
+                new TypeError('Unknown format option provided.')
+            );
+        });
+        st.end();
+    });
+
+    t.test('encodeValuesOnly', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true, arrayFormat: 'indices' }
+            ),
+            'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h',
+            'encodeValuesOnly + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true, arrayFormat: 'brackets' }
+            ),
+            'a=b&c[]=d&c[]=e%3Df&f[][]=g&f[][]=h',
+            'encodeValuesOnly + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true, arrayFormat: 'repeat' }
+            ),
+            'a=b&c=d&c=e%3Df&f=g&f=h',
+            'encodeValuesOnly + repeat'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
+                { arrayFormat: 'indices' }
+            ),
+            'a=b&c%5B0%5D=d&c%5B1%5D=e&f%5B0%5D%5B0%5D=g&f%5B1%5D%5B0%5D=h',
+            'no encodeValuesOnly + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
+                { arrayFormat: 'brackets' }
+            ),
+            'a=b&c%5B%5D=d&c%5B%5D=e&f%5B%5D%5B%5D=g&f%5B%5D%5B%5D=h',
+            'no encodeValuesOnly + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
+                { arrayFormat: 'repeat' }
+            ),
+            'a=b&c=d&c=e&f=g&f=h',
+            'no encodeValuesOnly + repeat'
+        );
+
+        st.end();
+    });
+
+    t.test('encodeValuesOnly - strictNullHandling', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: null } },
+                { encodeValuesOnly: true, strictNullHandling: true }
+            ),
+            'a[b]'
+        );
+        st.end();
+    });
+
+    t.test('throws if an invalid charset is specified', function (st) {
+        st['throws'](function () {
+            qs.stringify({ a: 'b' }, { charset: 'foobar' });
+        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
+        st.end();
+    });
+
+    t.test('respects a charset of iso-8859-1', function (st) {
+        st.equal(qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' }), '%E6=%E6');
+        st.end();
+    });
+
+    t.test('encodes unrepresentable chars as numeric entities in iso-8859-1 mode', function (st) {
+        st.equal(qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' }), 'a=%26%239786%3B');
+        st.end();
+    });
+
+    t.test('respects an explicit charset of utf-8 (the default)', function (st) {
+        st.equal(qs.stringify({ a: 'æ' }, { charset: 'utf-8' }), 'a=%C3%A6');
+        st.end();
+    });
+
+    t.test('`charsetSentinel` option', function (st) {
+        st.equal(
+            qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'utf-8' }),
+            'utf8=%E2%9C%93&a=%C3%A6',
+            'adds the right sentinel when instructed to and the charset is utf-8'
+        );
+
+        st.equal(
+            qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' }),
+            'utf8=%26%2310003%3B&a=%E6',
+            'adds the right sentinel when instructed to and the charset is iso-8859-1'
+        );
+
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.stringify({}, options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('strictNullHandling works with custom filter', function (st) {
+        var filter = function (prefix, value) {
+            return value;
+        };
+
+        var options = { strictNullHandling: true, filter: filter };
+        st.equal(qs.stringify({ key: null }, options), 'key');
+        st.end();
+    });
+
+    t.test('strictNullHandling works with null serializeDate', function (st) {
+        var serializeDate = function () {
+            return null;
+        };
+        var options = { strictNullHandling: true, serializeDate: serializeDate };
+        var date = new Date();
+        st.equal(qs.stringify({ key: date }, options), 'key');
+        st.end();
+    });
+
+    t.test('allows for encoding keys and values differently', function (st) {
+        var encoder = function (str, defaultEncoder, charset, type) {
+            if (type === 'key') {
+                return defaultEncoder(str, defaultEncoder, charset, type).toLowerCase();
+            }
+            if (type === 'value') {
+                return defaultEncoder(str, defaultEncoder, charset, type).toUpperCase();
+            }
+            throw 'this should never happen! type: ' + type;
+        };
+
+        st.deepEqual(qs.stringify({ KeY: 'vAlUe' }, { encoder: encoder }), 'key=VALUE');
+        st.end();
+    });
+
+    t.test('objects inside arrays', function (st) {
+        var obj = { a: { b: { c: 'd', e: 'f' } } };
+        var withArray = { a: { b: [{ c: 'd', e: 'f' }] } };
+
+        st.equal(qs.stringify(obj, { encode: false }), 'a[b][c]=d&a[b][e]=f', 'no array, no arrayFormat');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'brackets' }), 'a[b][c]=d&a[b][e]=f', 'no array, bracket');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'indices' }), 'a[b][c]=d&a[b][e]=f', 'no array, indices');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'repeat' }), 'a[b][c]=d&a[b][e]=f', 'no array, repeat');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'comma' }), 'a[b][c]=d&a[b][e]=f', 'no array, comma');
+
+        st.equal(qs.stringify(withArray, { encode: false }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, no arrayFormat');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'brackets' }), 'a[b][][c]=d&a[b][][e]=f', 'array, bracket');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'indices' }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, indices');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'repeat' }), 'a[b][c]=d&a[b][e]=f', 'array, repeat');
+        st.equal(
+            qs.stringify(withArray, { encode: false, arrayFormat: 'comma' }),
+            '???',
+            'array, comma',
+            { skip: 'TODO: figure out what this should do' }
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies sparse arrays', function (st) {
+        /* eslint no-sparse-arrays: 0 */
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1]=2&a[4]=1');
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=2&a[]=1');
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=2&a=1');
+
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][b][2][c]=1');
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][b][][c]=1');
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[b][c]=1');
+
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][2][3][c]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][][][c]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[c]=1');
+
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][2][3][c][1]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][][][c][]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[c]=1');
+
+        st.end();
+    });
+
+    t.test('encodes a very long string', function (st) {
+        var chars = [];
+        var expected = [];
+        for (var i = 0; i < 5e3; i++) {
+            chars.push(' ' + i);
+
+            expected.push('%20' + i);
+        }
+
+        var obj = {
+            foo: chars.join('')
+        };
+
+        st.equal(
+            qs.stringify(obj, { arrayFormat: 'bracket', charset: 'utf-8' }),
+            'foo=' + expected.join('')
+        );
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('stringifies empty keys', function (t) {
+    emptyTestCases.forEach(function (testCase) {
+        t.test('stringifies an object with empty string key with ' + testCase.input, function (st) {
+            st.deepEqual(
+                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'indices' }),
+                testCase.stringifyOutput.indices,
+                'test case: ' + testCase.input + ', indices'
+            );
+            st.deepEqual(
+                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'brackets' }),
+                testCase.stringifyOutput.brackets,
+                'test case: ' + testCase.input + ', brackets'
+            );
+            st.deepEqual(
+                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'repeat' }),
+                testCase.stringifyOutput.repeat,
+                'test case: ' + testCase.input + ', repeat'
+            );
+
+            st.end();
+        });
+    });
+
+    t.test('edge case with object/arrays', function (st) {
+        st.deepEqual(qs.stringify({ '': { '': [2, 3] } }, { encode: false }), '[][0]=2&[][1]=3');
+        st.deepEqual(qs.stringify({ '': { '': [2, 3], a: 2 } }, { encode: false }), '[][0]=2&[][1]=3&[a]=2');
+        st.deepEqual(qs.stringify({ '': { '': [2, 3] } }, { encode: false, arrayFormat: 'indices' }), '[][0]=2&[][1]=3');
+        st.deepEqual(qs.stringify({ '': { '': [2, 3], a: 2 } }, { encode: false, arrayFormat: 'indices' }), '[][0]=2&[][1]=3&[a]=2');
+
+        st.end();
+    });
+});
diff --git a/web/public/node_modules/qs/test/utils.js b/web/public/node_modules/qs/test/utils.js
new file mode 100644
index 000000000..aa84dfdc6
--- /dev/null
+++ b/web/public/node_modules/qs/test/utils.js
@@ -0,0 +1,136 @@
+'use strict';
+
+var test = require('tape');
+var inspect = require('object-inspect');
+var SaferBuffer = require('safer-buffer').Buffer;
+var forEach = require('for-each');
+var utils = require('../lib/utils');
+
+test('merge()', function (t) {
+    t.deepEqual(utils.merge(null, true), [null, true], 'merges true into null');
+
+    t.deepEqual(utils.merge(null, [42]), [null, 42], 'merges null into an array');
+
+    t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key');
+
+    var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } });
+    t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array');
+
+    var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } });
+    t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array');
+
+    var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' });
+    t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array');
+
+    var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] });
+    t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] });
+
+    var noOptionsNonObjectSource = utils.merge({ foo: 'baz' }, 'bar');
+    t.deepEqual(noOptionsNonObjectSource, { foo: 'baz', bar: true });
+
+    t.test(
+        'avoids invoking array setters unnecessarily',
+        { skip: typeof Object.defineProperty !== 'function' },
+        function (st) {
+            var setCount = 0;
+            var getCount = 0;
+            var observed = [];
+            Object.defineProperty(observed, 0, {
+                get: function () {
+                    getCount += 1;
+                    return { bar: 'baz' };
+                },
+                set: function () { setCount += 1; }
+            });
+            utils.merge(observed, [null]);
+            st.equal(setCount, 0);
+            st.equal(getCount, 1);
+            observed[0] = observed[0]; // eslint-disable-line no-self-assign
+            st.equal(setCount, 1);
+            st.equal(getCount, 2);
+            st.end();
+        }
+    );
+
+    t.end();
+});
+
+test('assign()', function (t) {
+    var target = { a: 1, b: 2 };
+    var source = { b: 3, c: 4 };
+    var result = utils.assign(target, source);
+
+    t.equal(result, target, 'returns the target');
+    t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged');
+    t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched');
+
+    t.end();
+});
+
+test('combine()', function (t) {
+    t.test('both arrays', function (st) {
+        var a = [1];
+        var b = [2];
+        var combined = utils.combine(a, b);
+
+        st.deepEqual(a, [1], 'a is not mutated');
+        st.deepEqual(b, [2], 'b is not mutated');
+        st.notEqual(a, combined, 'a !== combined');
+        st.notEqual(b, combined, 'b !== combined');
+        st.deepEqual(combined, [1, 2], 'combined is a + b');
+
+        st.end();
+    });
+
+    t.test('one array, one non-array', function (st) {
+        var aN = 1;
+        var a = [aN];
+        var bN = 2;
+        var b = [bN];
+
+        var combinedAnB = utils.combine(aN, b);
+        st.deepEqual(b, [bN], 'b is not mutated');
+        st.notEqual(aN, combinedAnB, 'aN + b !== aN');
+        st.notEqual(a, combinedAnB, 'aN + b !== a');
+        st.notEqual(bN, combinedAnB, 'aN + b !== bN');
+        st.notEqual(b, combinedAnB, 'aN + b !== b');
+        st.deepEqual([1, 2], combinedAnB, 'first argument is array-wrapped when not an array');
+
+        var combinedABn = utils.combine(a, bN);
+        st.deepEqual(a, [aN], 'a is not mutated');
+        st.notEqual(aN, combinedABn, 'a + bN !== aN');
+        st.notEqual(a, combinedABn, 'a + bN !== a');
+        st.notEqual(bN, combinedABn, 'a + bN !== bN');
+        st.notEqual(b, combinedABn, 'a + bN !== b');
+        st.deepEqual([1, 2], combinedABn, 'second argument is array-wrapped when not an array');
+
+        st.end();
+    });
+
+    t.test('neither is an array', function (st) {
+        var combined = utils.combine(1, 2);
+        st.notEqual(1, combined, '1 + 2 !== 1');
+        st.notEqual(2, combined, '1 + 2 !== 2');
+        st.deepEqual([1, 2], combined, 'both arguments are array-wrapped when not an array');
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('isBuffer()', function (t) {
+    forEach([null, undefined, true, false, '', 'abc', 42, 0, NaN, {}, [], function () {}, /a/g], function (x) {
+        t.equal(utils.isBuffer(x), false, inspect(x) + ' is not a buffer');
+    });
+
+    var fakeBuffer = { constructor: Buffer };
+    t.equal(utils.isBuffer(fakeBuffer), false, 'fake buffer is not a buffer');
+
+    var saferBuffer = SaferBuffer.from('abc');
+    t.equal(utils.isBuffer(saferBuffer), true, 'SaferBuffer instance is a buffer');
+
+    var buffer = Buffer.from && Buffer.alloc ? Buffer.from('abc') : new Buffer('abc');
+    t.equal(utils.isBuffer(buffer), true, 'real Buffer instance is a buffer');
+    t.end();
+});
diff --git a/web/public/node_modules/requires-port/.npmignore b/web/public/node_modules/requires-port/.npmignore
new file mode 100644
index 000000000..ba2a97b57
--- /dev/null
+++ b/web/public/node_modules/requires-port/.npmignore
@@ -0,0 +1,2 @@
+node_modules
+coverage
diff --git a/web/public/node_modules/requires-port/.travis.yml b/web/public/node_modules/requires-port/.travis.yml
new file mode 100644
index 000000000..0765106ab
--- /dev/null
+++ b/web/public/node_modules/requires-port/.travis.yml
@@ -0,0 +1,19 @@
+sudo: false
+language: node_js
+node_js:
+  - "4"
+  - "iojs"
+  - "0.12"
+  - "0.10"
+script:
+  - "npm run test-travis"
+after_script:
+  - "npm install coveralls@2 && cat coverage/lcov.info | coveralls"
+matrix:
+  fast_finish: true
+notifications:
+  irc:
+    channels:
+      - "irc.freenode.org#unshift"
+    on_success: change
+    on_failure: change
diff --git a/web/public/node_modules/requires-port/LICENSE b/web/public/node_modules/requires-port/LICENSE
new file mode 100644
index 000000000..6dc9316a6
--- /dev/null
+++ b/web/public/node_modules/requires-port/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Unshift.io, Arnout Kazemier,  the Contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/web/public/node_modules/requires-port/README.md b/web/public/node_modules/requires-port/README.md
new file mode 100644
index 000000000..3effe7597
--- /dev/null
+++ b/web/public/node_modules/requires-port/README.md
@@ -0,0 +1,47 @@
+# requires-port
+
+[![Made by unshift](https://img.shields.io/badge/made%20by-unshift-00ffcc.svg?style=flat-square)](http://unshift.io)[![Version npm](http://img.shields.io/npm/v/requires-port.svg?style=flat-square)](http://browsenpm.org/package/requires-port)[![Build Status](http://img.shields.io/travis/unshiftio/requires-port/master.svg?style=flat-square)](https://travis-ci.org/unshiftio/requires-port)[![Dependencies](https://img.shields.io/david/unshiftio/requires-port.svg?style=flat-square)](https://david-dm.org/unshiftio/requires-port)[![Coverage Status](http://img.shields.io/coveralls/unshiftio/requires-port/master.svg?style=flat-square)](https://coveralls.io/r/unshiftio/requires-port?branch=master)[![IRC channel](http://img.shields.io/badge/IRC-irc.freenode.net%23unshift-00a8ff.svg?style=flat-square)](http://webchat.freenode.net/?channels=unshift)
+
+The module name says it all, check if a protocol requires a given port.
+
+## Installation
+
+This module is intended to be used with browserify or Node.js and is distributed
+in the public npm registry. To install it simply run the following command from
+your CLI:
+
+```j
+npm install --save requires-port
+```
+
+## Usage
+
+The module exports it self as function and requires 2 arguments:
+
+1. The port number, can be a string or number.
+2. Protocol, can be `http`, `http:` or even `https://yomoma.com`. We just split
+   it at `:` and use the first result. We currently accept the following
+   protocols:
+   - `http`
+   - `https`
+   - `ws`
+   - `wss`
+   - `ftp`
+   - `gopher`
+   - `file`
+
+It returns a boolean that indicates if protocol requires this port to be added
+to your URL.
+
+```js
+'use strict';
+
+var required = require('requires-port');
+
+console.log(required('8080', 'http')) // true
+console.log(required('80', 'http'))   // false
+```
+
+# License
+
+MIT
diff --git a/web/public/node_modules/requires-port/index.js b/web/public/node_modules/requires-port/index.js
new file mode 100644
index 000000000..4f267b26c
--- /dev/null
+++ b/web/public/node_modules/requires-port/index.js
@@ -0,0 +1,38 @@
+'use strict';
+
+/**
+ * Check if we're required to add a port number.
+ *
+ * @see https://url.spec.whatwg.org/#default-port
+ * @param {Number|String} port Port number we need to check
+ * @param {String} protocol Protocol we need to check against.
+ * @returns {Boolean} Is it a default port for the given protocol
+ * @api private
+ */
+module.exports = function required(port, protocol) {
+  protocol = protocol.split(':')[0];
+  port = +port;
+
+  if (!port) return false;
+
+  switch (protocol) {
+    case 'http':
+    case 'ws':
+    return port !== 80;
+
+    case 'https':
+    case 'wss':
+    return port !== 443;
+
+    case 'ftp':
+    return port !== 21;
+
+    case 'gopher':
+    return port !== 70;
+
+    case 'file':
+    return false;
+  }
+
+  return port !== 0;
+};
diff --git a/web/public/node_modules/requires-port/package.json b/web/public/node_modules/requires-port/package.json
new file mode 100644
index 000000000..c113b4bf7
--- /dev/null
+++ b/web/public/node_modules/requires-port/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "requires-port",
+  "version": "1.0.0",
+  "description": "Check if a protocol requires a certain port number to be added to an URL.",
+  "main": "index.js",
+  "scripts": {
+    "100%": "istanbul check-coverage --statements 100 --functions 100 --lines 100 --branches 100",
+    "test-travis": "istanbul cover _mocha --report lcovonly -- test.js",
+    "coverage": "istanbul cover _mocha -- test.js",
+    "watch": "mocha --watch test.js",
+    "test": "mocha test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/unshiftio/requires-port"
+  },
+  "keywords": [
+    "port",
+    "require",
+    "http",
+    "https",
+    "ws",
+    "wss",
+    "gopher",
+    "file",
+    "ftp",
+    "requires",
+    "requried",
+    "portnumber",
+    "url",
+    "parsing",
+    "validation",
+    "cows"
+  ],
+  "author": "Arnout Kazemier",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/unshiftio/requires-port/issues"
+  },
+  "homepage": "https://github.com/unshiftio/requires-port",
+  "devDependencies": {
+    "assume": "1.3.x",
+    "istanbul": "0.4.x",
+    "mocha": "2.3.x",
+    "pre-commit": "1.1.x"
+  }
+}
diff --git a/web/public/node_modules/requires-port/test.js b/web/public/node_modules/requires-port/test.js
new file mode 100644
index 000000000..93a0c7498
--- /dev/null
+++ b/web/public/node_modules/requires-port/test.js
@@ -0,0 +1,98 @@
+describe('requires-port', function () {
+  'use strict';
+
+  var assume = require('assume')
+    , required = require('./');
+
+  it('is exported as a function', function () {
+    assume(required).is.a('function');
+  });
+
+  it('does not require empty ports', function () {
+    assume(required('', 'http')).false();
+    assume(required('', 'wss')).false();
+    assume(required('', 'ws')).false();
+    assume(required('', 'cowsack')).false();
+  });
+
+  it('assumes true for unknown protocols',function () {
+    assume(required('808', 'foo')).true();
+    assume(required('80', 'bar')).true();
+  });
+
+  it('never requires port numbers for file', function () {
+    assume(required(8080, 'file')).false();
+  });
+
+  it('does not require port 80 for http', function () {
+    assume(required('80', 'http')).false();
+    assume(required(80, 'http')).false();
+    assume(required(80, 'http://')).false();
+    assume(required(80, 'http://www.google.com')).false();
+
+    assume(required('8080', 'http')).true();
+    assume(required(8080, 'http')).true();
+    assume(required(8080, 'http://')).true();
+    assume(required(8080, 'http://www.google.com')).true();
+  });
+
+  it('does not require port 80 for ws', function () {
+    assume(required('80', 'ws')).false();
+    assume(required(80, 'ws')).false();
+    assume(required(80, 'ws://')).false();
+    assume(required(80, 'ws://www.google.com')).false();
+
+    assume(required('8080', 'ws')).true();
+    assume(required(8080, 'ws')).true();
+    assume(required(8080, 'ws://')).true();
+    assume(required(8080, 'ws://www.google.com')).true();
+  });
+
+  it('does not require port 443 for https', function () {
+    assume(required('443', 'https')).false();
+    assume(required(443, 'https')).false();
+    assume(required(443, 'https://')).false();
+    assume(required(443, 'https://www.google.com')).false();
+
+    assume(required('8080', 'https')).true();
+    assume(required(8080, 'https')).true();
+    assume(required(8080, 'https://')).true();
+    assume(required(8080, 'https://www.google.com')).true();
+  });
+
+  it('does not require port 443 for wss', function () {
+    assume(required('443', 'wss')).false();
+    assume(required(443, 'wss')).false();
+    assume(required(443, 'wss://')).false();
+    assume(required(443, 'wss://www.google.com')).false();
+
+    assume(required('8080', 'wss')).true();
+    assume(required(8080, 'wss')).true();
+    assume(required(8080, 'wss://')).true();
+    assume(required(8080, 'wss://www.google.com')).true();
+  });
+
+  it('does not require port 21 for ftp', function () {
+    assume(required('21', 'ftp')).false();
+    assume(required(21, 'ftp')).false();
+    assume(required(21, 'ftp://')).false();
+    assume(required(21, 'ftp://www.google.com')).false();
+
+    assume(required('8080', 'ftp')).true();
+    assume(required(8080, 'ftp')).true();
+    assume(required(8080, 'ftp://')).true();
+    assume(required(8080, 'ftp://www.google.com')).true();
+  });
+
+  it('does not require port 70 for gopher', function () {
+    assume(required('70', 'gopher')).false();
+    assume(required(70, 'gopher')).false();
+    assume(required(70, 'gopher://')).false();
+    assume(required(70, 'gopher://www.google.com')).false();
+
+    assume(required('8080', 'gopher')).true();
+    assume(required(8080, 'gopher')).true();
+    assume(required(8080, 'gopher://')).true();
+    assume(required(8080, 'gopher://www.google.com')).true();
+  });
+});
diff --git a/web/public/node_modules/safe-buffer/LICENSE b/web/public/node_modules/safe-buffer/LICENSE
new file mode 100644
index 000000000..0c068ceec
--- /dev/null
+++ b/web/public/node_modules/safe-buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/safe-buffer/README.md b/web/public/node_modules/safe-buffer/README.md
new file mode 100644
index 000000000..e9a81afd0
--- /dev/null
+++ b/web/public/node_modules/safe-buffer/README.md
@@ -0,0 +1,584 @@
+# safe-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/safe-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/safe-buffer
+[npm-image]: https://img.shields.io/npm/v/safe-buffer.svg
+[npm-url]: https://npmjs.org/package/safe-buffer
+[downloads-image]: https://img.shields.io/npm/dm/safe-buffer.svg
+[downloads-url]: https://npmjs.org/package/safe-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Safer Node.js Buffer API
+
+**Use the new Node.js Buffer APIs (`Buffer.from`, `Buffer.alloc`,
+`Buffer.allocUnsafe`, `Buffer.allocUnsafeSlow`) in all versions of Node.js.**
+
+**Uses the built-in implementation when available.**
+
+## install
+
+```
+npm install safe-buffer
+```
+
+## usage
+
+The goal of this package is to provide a safe replacement for the node.js `Buffer`.
+
+It's a drop-in replacement for `Buffer`. You can use it by adding one `require` line to
+the top of your node.js modules:
+
+```js
+var Buffer = require('safe-buffer').Buffer
+
+// Existing buffer code will continue to work without issues:
+
+new Buffer('hey', 'utf8')
+new Buffer([1, 2, 3], 'utf8')
+new Buffer(obj)
+new Buffer(16) // create an uninitialized buffer (potentially unsafe)
+
+// But you can use these new explicit APIs to make clear what you want:
+
+Buffer.from('hey', 'utf8') // convert from many types to a Buffer
+Buffer.alloc(16) // create a zero-filled buffer (safe)
+Buffer.allocUnsafe(16) // create an uninitialized buffer (potentially unsafe)
+```
+
+## api
+
+### Class Method: Buffer.from(array)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `array` {Array}
+
+Allocates a new `Buffer` using an `array` of octets.
+
+```js
+const buf = Buffer.from([0x62,0x75,0x66,0x66,0x65,0x72]);
+  // creates a new Buffer containing ASCII bytes
+  // ['b','u','f','f','e','r']
+```
+
+A `TypeError` will be thrown if `array` is not an `Array`.
+
+### Class Method: Buffer.from(arrayBuffer[, byteOffset[, length]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `arrayBuffer` {ArrayBuffer} The `.buffer` property of a `TypedArray` or
+  a `new ArrayBuffer()`
+* `byteOffset` {Number} Default: `0`
+* `length` {Number} Default: `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a `TypedArray` instance,
+the newly created `Buffer` will share the same allocated memory as the
+TypedArray.
+
+```js
+const arr = new Uint16Array(2);
+arr[0] = 5000;
+arr[1] = 4000;
+
+const buf = Buffer.from(arr.buffer); // shares the memory with arr;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 a0 0f>
+
+// changing the TypedArray changes the Buffer also
+arr[1] = 6000;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 70 17>
+```
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+```js
+const ab = new ArrayBuffer(10);
+const buf = Buffer.from(ab, 0, 2);
+console.log(buf.length);
+  // Prints: 2
+```
+
+A `TypeError` will be thrown if `arrayBuffer` is not an `ArrayBuffer`.
+
+### Class Method: Buffer.from(buffer)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `buffer` {Buffer}
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+```js
+const buf1 = Buffer.from('buffer');
+const buf2 = Buffer.from(buf1);
+
+buf1[0] = 0x61;
+console.log(buf1.toString());
+  // 'auffer'
+console.log(buf2.toString());
+  // 'buffer' (copy is not changed)
+```
+
+A `TypeError` will be thrown if `buffer` is not a `Buffer`.
+
+### Class Method: Buffer.from(str[, encoding])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `str` {String} String to encode.
+* `encoding` {String} Encoding to use, Default: `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `str`. If
+provided, the `encoding` parameter identifies the character encoding.
+If not provided, `encoding` defaults to `'utf8'`.
+
+```js
+const buf1 = Buffer.from('this is a tést');
+console.log(buf1.toString());
+  // prints: this is a tést
+console.log(buf1.toString('ascii'));
+  // prints: this is a tC)st
+
+const buf2 = Buffer.from('7468697320697320612074c3a97374', 'hex');
+console.log(buf2.toString());
+  // prints: this is a tést
+```
+
+A `TypeError` will be thrown if `str` is not a string.
+
+### Class Method: Buffer.alloc(size[, fill[, encoding]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+* `fill` {Value} Default: `undefined`
+* `encoding` {String} Default: `utf8`
+
+Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the
+`Buffer` will be *zero-filled*.
+
+```js
+const buf = Buffer.alloc(5);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+The `size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+If `fill` is specified, the allocated `Buffer` will be initialized by calling
+`buf.fill(fill)`. See [`buf.fill()`][] for more information.
+
+```js
+const buf = Buffer.alloc(5, 'a');
+console.log(buf);
+  // <Buffer 61 61 61 61 61>
+```
+
+If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+initialized by calling `buf.fill(fill, encoding)`. For example:
+
+```js
+const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+console.log(buf);
+  // <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+```
+
+Calling `Buffer.alloc(size)` can be significantly slower than the alternative
+`Buffer.allocUnsafe(size)` but ensures that the newly created `Buffer` instance
+contents will *never contain sensitive data*.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### Class Method: Buffer.allocUnsafe(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* `Buffer` of `size` bytes.  The `size` must
+be less than or equal to the value of `require('buffer').kMaxLength` (on 64-bit
+architectures, `kMaxLength` is `(2^31)-1`). Otherwise, a [`RangeError`][] is
+thrown. A zero-length Buffer will be created if a `size` less than or equal to
+0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+```js
+const buf = Buffer.allocUnsafe(5);
+console.log(buf);
+  // <Buffer 78 e0 82 02 01>
+  // (octets will be different, every time)
+buf.fill(0);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+A `TypeError` will be thrown if `size` is not a number.
+
+Note that the `Buffer` module pre-allocates an internal `Buffer` instance of
+size `Buffer.poolSize` that is used as a pool for the fast allocation of new
+`Buffer` instances created using `Buffer.allocUnsafe(size)` (and the deprecated
+`new Buffer(size)` constructor) only when `size` is less than or equal to
+`Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two). The default
+value of `Buffer.poolSize` is `8192` but can be modified.
+
+Use of this pre-allocated internal memory pool is a key difference between
+calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+Specifically, `Buffer.alloc(size, fill)` will *never* use the internal Buffer
+pool, while `Buffer.allocUnsafe(size).fill(fill)` *will* use the internal
+Buffer pool if `size` is less than or equal to half `Buffer.poolSize`. The
+difference is subtle but can be important when an application requires the
+additional performance that `Buffer.allocUnsafe(size)` provides.
+
+### Class Method: Buffer.allocUnsafeSlow(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* and non-pooled `Buffer` of `size` bytes.  The
+`size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+allocations under 4KB are, by default, sliced from a single pre-allocated
+`Buffer`. This allows applications to avoid the garbage collection overhead of
+creating many individually allocated Buffers. This approach improves both
+performance and memory usage by eliminating the need to track and cleanup as
+many `Persistent` objects.
+
+However, in the case where a developer may need to retain a small chunk of
+memory from a pool for an indeterminate amount of time, it may be appropriate
+to create an un-pooled Buffer instance using `Buffer.allocUnsafeSlow()` then
+copy out the relevant bits.
+
+```js
+// need to keep around a few small chunks of memory
+const store = [];
+
+socket.on('readable', () => {
+  const data = socket.read();
+  // allocate for retained data
+  const sb = Buffer.allocUnsafeSlow(10);
+  // copy the data into the new allocation
+  data.copy(sb, 0, 0, 10);
+  store.push(sb);
+});
+```
+
+Use of `Buffer.allocUnsafeSlow()` should be used only as a last resort *after*
+a developer has observed undue memory retention in their applications.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### All the Rest
+
+The rest of the `Buffer` API is exactly the same as in node.js.
+[See the docs](https://nodejs.org/api/buffer.html).
+
+
+## Related links
+
+- [Node.js issue: Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
+- [Node.js Enhancement Proposal: Buffer.from/Buffer.alloc/Buffer.zalloc/Buffer() soft-deprecate](https://github.com/nodejs/node-eps/pull/4)
+
+## Why is `Buffer` unsafe?
+
+Today, the node.js `Buffer` constructor is overloaded to handle many different argument
+types like `String`, `Array`, `Object`, `TypedArrayView` (`Uint8Array`, etc.),
+`ArrayBuffer`, and also `Number`.
+
+The API is optimized for convenience: you can throw any type at it, and it will try to do
+what you want.
+
+Because the Buffer constructor is so powerful, you often see code like this:
+
+```js
+// Convert UTF-8 strings to hex
+function toHex (str) {
+  return new Buffer(str).toString('hex')
+}
+```
+
+***But what happens if `toHex` is called with a `Number` argument?***
+
+### Remote Memory Disclosure
+
+If an attacker can make your program call the `Buffer` constructor with a `Number`
+argument, then they can make it allocate uninitialized memory from the node.js process.
+This could potentially disclose TLS private keys, user data, or database passwords.
+
+When the `Buffer` constructor is passed a `Number` argument, it returns an
+**UNINITIALIZED** block of memory of the specified `size`. When you create a `Buffer` like
+this, you **MUST** overwrite the contents before returning it to the user.
+
+From the [node.js docs](https://nodejs.org/api/buffer.html#buffer_new_buffer_size):
+
+> `new Buffer(size)`
+>
+> - `size` Number
+>
+> The underlying memory for `Buffer` instances created in this way is not initialized.
+> **The contents of a newly created `Buffer` are unknown and could contain sensitive
+> data.** Use `buf.fill(0)` to initialize a Buffer to zeroes.
+
+(Emphasis our own.)
+
+Whenever the programmer intended to create an uninitialized `Buffer` you often see code
+like this:
+
+```js
+var buf = new Buffer(16)
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### Would this ever be a problem in real code?
+
+Yes. It's surprisingly common to forget to check the type of your variables in a
+dynamically-typed language like JavaScript.
+
+Usually the consequences of assuming the wrong type is that your program crashes with an
+uncaught exception. But the failure mode for forgetting to check the type of arguments to
+the `Buffer` constructor is more catastrophic.
+
+Here's an example of a vulnerable service that takes a JSON payload and converts it to
+hex:
+
+```js
+// Take a JSON payload {str: "some string"} and convert it to hex
+var server = http.createServer(function (req, res) {
+  var data = ''
+  req.setEncoding('utf8')
+  req.on('data', function (chunk) {
+    data += chunk
+  })
+  req.on('end', function () {
+    var body = JSON.parse(data)
+    res.end(new Buffer(body.str).toString('hex'))
+  })
+})
+
+server.listen(8080)
+```
+
+In this example, an http client just has to send:
+
+```json
+{
+  "str": 1000
+}
+```
+
+and it will get back 1,000 bytes of uninitialized memory from the server.
+
+This is a very serious bug. It's similar in severity to the
+[the Heartbleed bug](http://heartbleed.com/) that allowed disclosure of OpenSSL process
+memory by remote attackers.
+
+
+### Which real-world packages were vulnerable?
+
+#### [`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht)
+
+[Mathias Buus](https://github.com/mafintosh) and I
+([Feross Aboukhadijeh](http://feross.org/)) found this issue in one of our own packages,
+[`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht). The bug would allow
+anyone on the internet to send a series of messages to a user of `bittorrent-dht` and get
+them to reveal 20 bytes at a time of uninitialized memory from the node.js process.
+
+Here's
+[the commit](https://github.com/feross/bittorrent-dht/commit/6c7da04025d5633699800a99ec3fbadf70ad35b8)
+that fixed it. We released a new fixed version, created a
+[Node Security Project disclosure](https://nodesecurity.io/advisories/68), and deprecated all
+vulnerable versions on npm so users will get a warning to upgrade to a newer version.
+
+#### [`ws`](https://www.npmjs.com/package/ws)
+
+That got us wondering if there were other vulnerable packages. Sure enough, within a short
+period of time, we found the same issue in [`ws`](https://www.npmjs.com/package/ws), the
+most popular WebSocket implementation in node.js.
+
+If certain APIs were called with `Number` parameters instead of `String` or `Buffer` as
+expected, then uninitialized server memory would be disclosed to the remote peer.
+
+These were the vulnerable methods:
+
+```js
+socket.send(number)
+socket.ping(number)
+socket.pong(number)
+```
+
+Here's a vulnerable socket server with some echo functionality:
+
+```js
+server.on('connection', function (socket) {
+  socket.on('message', function (message) {
+    message = JSON.parse(message)
+    if (message.type === 'echo') {
+      socket.send(message.data) // send back the user's message
+    }
+  })
+})
+```
+
+`socket.send(number)` called on the server, will disclose server memory.
+
+Here's [the release](https://github.com/websockets/ws/releases/tag/1.0.1) where the issue
+was fixed, with a more detailed explanation. Props to
+[Arnout Kazemier](https://github.com/3rd-Eden) for the quick fix. Here's the
+[Node Security Project disclosure](https://nodesecurity.io/advisories/67).
+
+
+### What's the solution?
+
+It's important that node.js offers a fast way to get memory otherwise performance-critical
+applications would needlessly get a lot slower.
+
+But we need a better way to *signal our intent* as programmers. **When we want
+uninitialized memory, we should request it explicitly.**
+
+Sensitive functionality should not be packed into a developer-friendly API that loosely
+accepts many different types. This type of API encourages the lazy practice of passing
+variables in without checking the type very carefully.
+
+#### A new API: `Buffer.allocUnsafe(number)`
+
+The functionality of creating buffers with uninitialized memory should be part of another
+API. We propose `Buffer.allocUnsafe(number)`. This way, it's not part of an API that
+frequently gets user input of all sorts of different types passed into it.
+
+```js
+var buf = Buffer.allocUnsafe(16) // careful, uninitialized memory!
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### How do we fix node.js core?
+
+We sent [a PR to node.js core](https://github.com/nodejs/node/pull/4514) (merged as
+`semver-major`) which defends against one case:
+
+```js
+var str = 16
+new Buffer(str, 'utf8')
+```
+
+In this situation, it's implied that the programmer intended the first argument to be a
+string, since they passed an encoding as a second argument. Today, node.js will allocate
+uninitialized memory in the case of `new Buffer(number, encoding)`, which is probably not
+what the programmer intended.
+
+But this is only a partial solution, since if the programmer does `new Buffer(variable)`
+(without an `encoding` parameter) there's no way to know what they intended. If `variable`
+is sometimes a number, then uninitialized memory will sometimes be returned.
+
+### What's the real long-term fix?
+
+We could deprecate and remove `new Buffer(number)` and use `Buffer.allocUnsafe(number)` when
+we need uninitialized memory. But that would break 1000s of packages.
+
+~~We believe the best solution is to:~~
+
+~~1. Change `new Buffer(number)` to return safe, zeroed-out memory~~
+
+~~2. Create a new API for creating uninitialized Buffers. We propose: `Buffer.allocUnsafe(number)`~~
+
+#### Update
+
+We now support adding three new APIs:
+
+- `Buffer.from(value)` - convert from any type to a buffer
+- `Buffer.alloc(size)` - create a zero-filled buffer
+- `Buffer.allocUnsafe(size)` - create an uninitialized buffer with given size
+
+This solves the core problem that affected `ws` and `bittorrent-dht` which is
+`Buffer(variable)` getting tricked into taking a number argument.
+
+This way, existing code continues working and the impact on the npm ecosystem will be
+minimal. Over time, npm maintainers can migrate performance-critical code to use
+`Buffer.allocUnsafe(number)` instead of `new Buffer(number)`.
+
+
+### Conclusion
+
+We think there's a serious design issue with the `Buffer` API as it exists today. It
+promotes insecure software by putting high-risk functionality into a convenient API
+with friendly "developer ergonomics".
+
+This wasn't merely a theoretical exercise because we found the issue in some of the
+most popular npm packages.
+
+Fortunately, there's an easy fix that can be applied today. Use `safe-buffer` in place of
+`buffer`.
+
+```js
+var Buffer = require('safe-buffer').Buffer
+```
+
+Eventually, we hope that node.js core can switch to this new, safer behavior. We believe
+the impact on the ecosystem would be minimal since it's not a breaking change.
+Well-maintained, popular packages would be updated to use `Buffer.alloc` quickly, while
+older, insecure packages would magically become safe from this attack vector.
+
+
+## links
+
+- [Node.js PR: buffer: throw if both length and enc are passed](https://github.com/nodejs/node/pull/4514)
+- [Node Security Project disclosure for `ws`](https://nodesecurity.io/advisories/67)
+- [Node Security Project disclosure for`bittorrent-dht`](https://nodesecurity.io/advisories/68)
+
+
+## credit
+
+The original issues in `bittorrent-dht`
+([disclosure](https://nodesecurity.io/advisories/68)) and
+`ws` ([disclosure](https://nodesecurity.io/advisories/67)) were discovered by
+[Mathias Buus](https://github.com/mafintosh) and
+[Feross Aboukhadijeh](http://feross.org/).
+
+Thanks to [Adam Baldwin](https://github.com/evilpacket) for helping disclose these issues
+and for his work running the [Node Security Project](https://nodesecurity.io/).
+
+Thanks to [John Hiesey](https://github.com/jhiesey) for proofreading this README and
+auditing the code.
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org)
diff --git a/web/public/node_modules/safe-buffer/index.d.ts b/web/public/node_modules/safe-buffer/index.d.ts
new file mode 100644
index 000000000..e9fed809a
--- /dev/null
+++ b/web/public/node_modules/safe-buffer/index.d.ts
@@ -0,0 +1,187 @@
+declare module "safe-buffer" {
+  export class Buffer {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+     constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initalizing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/safe-buffer/index.js b/web/public/node_modules/safe-buffer/index.js
new file mode 100644
index 000000000..22438dabb
--- /dev/null
+++ b/web/public/node_modules/safe-buffer/index.js
@@ -0,0 +1,62 @@
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}
diff --git a/web/public/node_modules/safe-buffer/package.json b/web/public/node_modules/safe-buffer/package.json
new file mode 100644
index 000000000..623fbc3f6
--- /dev/null
+++ b/web/public/node_modules/safe-buffer/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "safe-buffer",
+  "description": "Safer Node.js Buffer API",
+  "version": "5.1.2",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "http://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/safe-buffer/issues"
+  },
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^4.0.0"
+  },
+  "homepage": "https://github.com/feross/safe-buffer",
+  "keywords": [
+    "buffer",
+    "buffer allocate",
+    "node security",
+    "safe",
+    "safe-buffer",
+    "security",
+    "uninitialized"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/safe-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && tape test/*.js"
+  }
+}
diff --git a/web/public/node_modules/safer-buffer/LICENSE b/web/public/node_modules/safer-buffer/LICENSE
new file mode 100644
index 000000000..4fe9e6f10
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Nikita Skovoroda <chalkerx@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/safer-buffer/Porting-Buffer.md b/web/public/node_modules/safer-buffer/Porting-Buffer.md
new file mode 100644
index 000000000..68d86bab0
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/Porting-Buffer.md
@@ -0,0 +1,268 @@
+# Porting to the Buffer.from/Buffer.alloc API
+
+<a id="overview"></a>
+## Overview
+
+- [Variant 1: Drop support for Node.js ≤ 4.4.x and 5.0.0 — 5.9.x.](#variant-1) (*recommended*)
+- [Variant 2: Use a polyfill](#variant-2)
+- [Variant 3: manual detection, with safeguards](#variant-3)
+
+### Finding problematic bits of code using grep
+
+Just run `grep -nrE '[^a-zA-Z](Slow)?Buffer\s*\(' --exclude-dir node_modules`.
+
+It will find all the potentially unsafe places in your own code (with some considerably unlikely
+exceptions).
+
+### Finding problematic bits of code using Node.js 8
+
+If you’re using Node.js ≥ 8.0.0 (which is recommended), Node.js exposes multiple options that help with finding the relevant pieces of code:
+
+- `--trace-warnings` will make Node.js show a stack trace for this warning and other warnings that are printed by Node.js.
+- `--trace-deprecation` does the same thing, but only for deprecation warnings.
+- `--pending-deprecation` will show more types of deprecation warnings. In particular, it will show the `Buffer()` deprecation warning, even on Node.js 8.
+
+You can set these flags using an environment variable:
+
+```console
+$ export NODE_OPTIONS='--trace-warnings --pending-deprecation'
+$ cat example.js
+'use strict';
+const foo = new Buffer('foo');
+$ node example.js
+(node:7147) [DEP0005] DeprecationWarning: The Buffer() and new Buffer() constructors are not recommended for use due to security and usability concerns. Please use the new Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() construction methods instead.
+    at showFlaggedDeprecation (buffer.js:127:13)
+    at new Buffer (buffer.js:148:3)
+    at Object.<anonymous> (/path/to/example.js:2:13)
+    [... more stack trace lines ...]
+```
+
+### Finding problematic bits of code using linters
+
+Eslint rules [no-buffer-constructor](https://eslint.org/docs/rules/no-buffer-constructor)
+or
+[node/no-deprecated-api](https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-deprecated-api.md)
+also find calls to deprecated `Buffer()` API. Those rules are included in some pre-sets.
+
+There is a drawback, though, that it doesn't always
+[work correctly](https://github.com/chalker/safer-buffer#why-not-safe-buffer) when `Buffer` is
+overriden e.g. with a polyfill, so recommended is a combination of this and some other method
+described above.
+
+<a id="variant-1"></a>
+## Variant 1: Drop support for Node.js ≤ 4.4.x and 5.0.0 — 5.9.x.
+
+This is the recommended solution nowadays that would imply only minimal overhead.
+
+The Node.js 5.x release line has been unsupported since July 2016, and the Node.js 4.x release line reaches its End of Life in April 2018 (→ [Schedule](https://github.com/nodejs/Release#release-schedule)). This means that these versions of Node.js will *not* receive any updates, even in case of security issues, so using these release lines should be avoided, if at all possible.
+
+What you would do in this case is to convert all `new Buffer()` or `Buffer()` calls to use `Buffer.alloc()` or `Buffer.from()`, in the following way:
+
+- For `new Buffer(number)`, replace it with `Buffer.alloc(number)`.
+- For `new Buffer(string)` (or `new Buffer(string, encoding)`), replace it with `Buffer.from(string)` (or `Buffer.from(string, encoding)`).
+- For all other combinations of arguments (these are much rarer), also replace `new Buffer(...arguments)` with `Buffer.from(...arguments)`.
+
+Note that `Buffer.alloc()` is also _faster_ on the current Node.js versions than
+`new Buffer(size).fill(0)`, which is what you would otherwise need to ensure zero-filling.
+
+Enabling eslint rule [no-buffer-constructor](https://eslint.org/docs/rules/no-buffer-constructor)
+or
+[node/no-deprecated-api](https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-deprecated-api.md)
+is recommended to avoid accidential unsafe Buffer API usage.
+
+There is also a [JSCodeshift codemod](https://github.com/joyeecheung/node-dep-codemod#dep005)
+for automatically migrating Buffer constructors to `Buffer.alloc()` or `Buffer.from()`.
+Note that it currently only works with cases where the arguments are literals or where the
+constructor is invoked with two arguments.
+
+_If you currently support those older Node.js versions and dropping them would be a semver-major change
+for you, or if you support older branches of your packages, consider using [Variant 2](#variant-2)
+or [Variant 3](#variant-3) on older branches, so people using those older branches will also receive
+the fix. That way, you will eradicate potential issues caused by unguarded Buffer API usage and
+your users will not observe a runtime deprecation warning when running your code on Node.js 10._
+
+<a id="variant-2"></a>
+## Variant 2: Use a polyfill
+
+Utilize [safer-buffer](https://www.npmjs.com/package/safer-buffer) as a polyfill to support older
+Node.js versions.
+
+You would take exacly the same steps as in [Variant 1](#variant-1), but with a polyfill
+`const Buffer = require('safer-buffer').Buffer` in all files where you use the new `Buffer` api.
+
+Make sure that you do not use old `new Buffer` API — in any files where the line above is added,
+using old `new Buffer()` API will _throw_. It will be easy to notice that in CI, though.
+
+Alternatively, you could use [buffer-from](https://www.npmjs.com/package/buffer-from) and/or
+[buffer-alloc](https://www.npmjs.com/package/buffer-alloc) [ponyfills](https://ponyfill.com/) —
+those are great, the only downsides being 4 deps in the tree and slightly more code changes to
+migrate off them (as you would be using e.g. `Buffer.from` under a different name). If you need only
+`Buffer.from` polyfilled — `buffer-from` alone which comes with no extra dependencies.
+
+_Alternatively, you could use [safe-buffer](https://www.npmjs.com/package/safe-buffer) — it also
+provides a polyfill, but takes a different approach which has
+[it's drawbacks](https://github.com/chalker/safer-buffer#why-not-safe-buffer). It will allow you
+to also use the older `new Buffer()` API in your code, though — but that's arguably a benefit, as
+it is problematic, can cause issues in your code, and will start emitting runtime deprecation
+warnings starting with Node.js 10._
+
+Note that in either case, it is important that you also remove all calls to the old Buffer
+API manually — just throwing in `safe-buffer` doesn't fix the problem by itself, it just provides
+a polyfill for the new API. I have seen people doing that mistake.
+
+Enabling eslint rule [no-buffer-constructor](https://eslint.org/docs/rules/no-buffer-constructor)
+or
+[node/no-deprecated-api](https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-deprecated-api.md)
+is recommended.
+
+_Don't forget to drop the polyfill usage once you drop support for Node.js < 4.5.0._
+
+<a id="variant-3"></a>
+## Variant 3 — manual detection, with safeguards
+
+This is useful if you create Buffer instances in only a few places (e.g. one), or you have your own
+wrapper around them.
+
+### Buffer(0)
+
+This special case for creating empty buffers can be safely replaced with `Buffer.concat([])`, which
+returns the same result all the way down to Node.js 0.8.x.
+
+### Buffer(notNumber)
+
+Before:
+
+```js
+var buf = new Buffer(notNumber, encoding);
+```
+
+After:
+
+```js
+var buf;
+if (Buffer.from && Buffer.from !== Uint8Array.from) {
+  buf = Buffer.from(notNumber, encoding);
+} else {
+  if (typeof notNumber === 'number')
+    throw new Error('The "size" argument must be of type number.');
+  buf = new Buffer(notNumber, encoding);
+}
+```
+
+`encoding` is optional.
+
+Note that the `typeof notNumber` before `new Buffer` is required (for cases when `notNumber` argument is not
+hard-coded) and _is not caused by the deprecation of Buffer constructor_ — it's exactly _why_ the
+Buffer constructor is deprecated. Ecosystem packages lacking this type-check caused numereous
+security issues — situations when unsanitized user input could end up in the `Buffer(arg)` create
+problems ranging from DoS to leaking sensitive information to the attacker from the process memory.
+
+When `notNumber` argument is hardcoded (e.g. literal `"abc"` or `[0,1,2]`), the `typeof` check can
+be omitted.
+
+Also note that using TypeScript does not fix this problem for you — when libs written in
+`TypeScript` are used from JS, or when user input ends up there — it behaves exactly as pure JS, as
+all type checks are translation-time only and are not present in the actual JS code which TS
+compiles to.
+
+### Buffer(number)
+
+For Node.js 0.10.x (and below) support:
+
+```js
+var buf;
+if (Buffer.alloc) {
+  buf = Buffer.alloc(number);
+} else {
+  buf = new Buffer(number);
+  buf.fill(0);
+}
+```
+
+Otherwise (Node.js ≥ 0.12.x):
+
+```js
+const buf = Buffer.alloc ? Buffer.alloc(number) : new Buffer(number).fill(0);
+```
+
+## Regarding Buffer.allocUnsafe
+
+Be extra cautious when using `Buffer.allocUnsafe`:
+ * Don't use it if you don't have a good reason to
+   * e.g. you probably won't ever see a performance difference for small buffers, in fact, those
+     might be even faster with `Buffer.alloc()`,
+   * if your code is not in the hot code path — you also probably won't notice a difference,
+   * keep in mind that zero-filling minimizes the potential risks.
+ * If you use it, make sure that you never return the buffer in a partially-filled state,
+   * if you are writing to it sequentially — always truncate it to the actuall written length
+
+Errors in handling buffers allocated with `Buffer.allocUnsafe` could result in various issues,
+ranged from undefined behaviour of your code to sensitive data (user input, passwords, certs)
+leaking to the remote attacker.
+
+_Note that the same applies to `new Buffer` usage without zero-filling, depending on the Node.js
+version (and lacking type checks also adds DoS to the list of potential problems)._
+
+<a id="faq"></a>
+## FAQ
+
+<a id="design-flaws"></a>
+### What is wrong with the `Buffer` constructor?
+
+The `Buffer` constructor could be used to create a buffer in many different ways:
+
+- `new Buffer(42)` creates a `Buffer` of 42 bytes. Before Node.js 8, this buffer contained
+  *arbitrary memory* for performance reasons, which could include anything ranging from
+  program source code to passwords and encryption keys.
+- `new Buffer('abc')` creates a `Buffer` that contains the UTF-8-encoded version of
+  the string `'abc'`. A second argument could specify another encoding: For example,
+  `new Buffer(string, 'base64')` could be used to convert a Base64 string into the original
+  sequence of bytes that it represents.
+- There are several other combinations of arguments.
+
+This meant that, in code like `var buffer = new Buffer(foo);`, *it is not possible to tell
+what exactly the contents of the generated buffer are* without knowing the type of `foo`.
+
+Sometimes, the value of `foo` comes from an external source. For example, this function
+could be exposed as a service on a web server, converting a UTF-8 string into its Base64 form:
+
+```
+function stringToBase64(req, res) {
+  // The request body should have the format of `{ string: 'foobar' }`
+  const rawBytes = new Buffer(req.body.string)
+  const encoded = rawBytes.toString('base64')
+  res.end({ encoded: encoded })
+}
+```
+
+Note that this code does *not* validate the type of `req.body.string`:
+
+- `req.body.string` is expected to be a string. If this is the case, all goes well.
+- `req.body.string` is controlled by the client that sends the request.
+- If `req.body.string` is the *number* `50`, the `rawBytes` would be 50 bytes:
+  - Before Node.js 8, the content would be uninitialized
+  - After Node.js 8, the content would be `50` bytes with the value `0`
+
+Because of the missing type check, an attacker could intentionally send a number
+as part of the request. Using this, they can either:
+
+- Read uninitialized memory. This **will** leak passwords, encryption keys and other
+  kinds of sensitive information. (Information leak)
+- Force the program to allocate a large amount of memory. For example, when specifying
+  `500000000` as the input value, each request will allocate 500MB of memory.
+  This can be used to either exhaust the memory available of a program completely
+  and make it crash, or slow it down significantly. (Denial of Service)
+
+Both of these scenarios are considered serious security issues in a real-world
+web server context.
+
+when using `Buffer.from(req.body.string)` instead, passing a number will always
+throw an exception instead, giving a controlled behaviour that can always be
+handled by the program.
+
+<a id="ecosystem-usage"></a>
+### The `Buffer()` constructor has been deprecated for a while. Is this really an issue?
+
+Surveys of code in the `npm` ecosystem have shown that the `Buffer()` constructor is still
+widely used. This includes new code, and overall usage of such code has actually been
+*increasing*.
diff --git a/web/public/node_modules/safer-buffer/Readme.md b/web/public/node_modules/safer-buffer/Readme.md
new file mode 100644
index 000000000..14b082290
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/Readme.md
@@ -0,0 +1,156 @@
+# safer-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![javascript style guide][standard-image]][standard-url] [![Security Responsible Disclosure][secuirty-image]][secuirty-url]
+
+[travis-image]: https://travis-ci.org/ChALkeR/safer-buffer.svg?branch=master
+[travis-url]: https://travis-ci.org/ChALkeR/safer-buffer
+[npm-image]: https://img.shields.io/npm/v/safer-buffer.svg
+[npm-url]: https://npmjs.org/package/safer-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+[secuirty-image]: https://img.shields.io/badge/Security-Responsible%20Disclosure-green.svg
+[secuirty-url]: https://github.com/nodejs/security-wg/blob/master/processes/responsible_disclosure_template.md
+
+Modern Buffer API polyfill without footguns, working on Node.js from 0.8 to current.
+
+## How to use?
+
+First, port all `Buffer()` and `new Buffer()` calls to `Buffer.alloc()` and `Buffer.from()` API.
+
+Then, to achieve compatibility with outdated Node.js versions (`<4.5.0` and 5.x `<5.9.0`), use
+`const Buffer = require('safer-buffer').Buffer` in all files where you make calls to the new
+Buffer API. _Use `var` instead of `const` if you need that for your Node.js version range support._
+
+Also, see the
+[porting Buffer](https://github.com/ChALkeR/safer-buffer/blob/master/Porting-Buffer.md) guide.
+
+## Do I need it?
+
+Hopefully, not — dropping support for outdated Node.js versions should be fine nowdays, and that
+is the recommended path forward. You _do_ need to port to the `Buffer.alloc()` and `Buffer.from()`
+though.
+
+See the [porting guide](https://github.com/ChALkeR/safer-buffer/blob/master/Porting-Buffer.md)
+for a better description.
+
+## Why not [safe-buffer](https://npmjs.com/safe-buffer)?
+
+_In short: while `safe-buffer` serves as a polyfill for the new API, it allows old API usage and
+itself contains footguns._
+
+`safe-buffer` could be used safely to get the new API while still keeping support for older
+Node.js versions (like this module), but while analyzing ecosystem usage of the old Buffer API
+I found out that `safe-buffer` is itself causing problems in some cases.
+
+For example, consider the following snippet:
+
+```console
+$ cat example.unsafe.js
+console.log(Buffer(20))
+$ ./node-v6.13.0-linux-x64/bin/node example.unsafe.js
+<Buffer 0a 00 00 00 00 00 00 00 28 13 de 02 00 00 00 00 05 00 00 00>
+$ standard example.unsafe.js
+standard: Use JavaScript Standard Style (https://standardjs.com)
+  /home/chalker/repo/safer-buffer/example.unsafe.js:2:13: 'Buffer()' was deprecated since v6. Use 'Buffer.alloc()' or 'Buffer.from()' (use 'https://www.npmjs.com/package/safe-buffer' for '<4.5.0') instead.
+```
+
+This is allocates and writes to console an uninitialized chunk of memory.
+[standard](https://www.npmjs.com/package/standard) linter (among others) catch that and warn people
+to avoid using unsafe API.
+
+Let's now throw in `safe-buffer`!
+
+```console
+$ cat example.safe-buffer.js
+const Buffer = require('safe-buffer').Buffer
+console.log(Buffer(20))
+$ standard example.safe-buffer.js
+$ ./node-v6.13.0-linux-x64/bin/node example.safe-buffer.js
+<Buffer 08 00 00 00 00 00 00 00 28 58 01 82 fe 7f 00 00 00 00 00 00>
+```
+
+See the problem? Adding in `safe-buffer` _magically removes the lint warning_, but the behavior
+remains identiсal to what we had before, and when launched on Node.js 6.x LTS — this dumps out
+chunks of uninitialized memory.
+_And this code will still emit runtime warnings on Node.js 10.x and above._
+
+That was done by design. I first considered changing `safe-buffer`, prohibiting old API usage or
+emitting warnings on it, but that significantly diverges from `safe-buffer` design. After some
+discussion, it was decided to move my approach into a separate package, and _this is that separate
+package_.
+
+This footgun is not imaginary — I observed top-downloaded packages doing that kind of thing,
+«fixing» the lint warning by blindly including `safe-buffer` without any actual changes.
+
+Also in some cases, even if the API _was_ migrated to use of safe Buffer API — a random pull request
+can bring unsafe Buffer API usage back to the codebase by adding new calls — and that could go
+unnoticed even if you have a linter prohibiting that (becase of the reason stated above), and even
+pass CI. _I also observed that being done in popular packages._
+
+Some examples:
+ * [webdriverio](https://github.com/webdriverio/webdriverio/commit/05cbd3167c12e4930f09ef7cf93b127ba4effae4#diff-124380949022817b90b622871837d56cR31)
+   (a module with 548 759 downloads/month),
+ * [websocket-stream](https://github.com/maxogden/websocket-stream/commit/c9312bd24d08271687d76da0fe3c83493871cf61)
+   (218 288 d/m, fix in [maxogden/websocket-stream#142](https://github.com/maxogden/websocket-stream/pull/142)),
+ * [node-serialport](https://github.com/node-serialport/node-serialport/commit/e8d9d2b16c664224920ce1c895199b1ce2def48c)
+   (113 138 d/m, fix in [node-serialport/node-serialport#1510](https://github.com/node-serialport/node-serialport/pull/1510)),
+ * [karma](https://github.com/karma-runner/karma/commit/3d94b8cf18c695104ca195334dc75ff054c74eec)
+   (3 973 193 d/m, fix in [karma-runner/karma#2947](https://github.com/karma-runner/karma/pull/2947)),
+ * [spdy-transport](https://github.com/spdy-http2/spdy-transport/commit/5375ac33f4a62a4f65bcfc2827447d42a5dbe8b1)
+   (5 970 727 d/m, fix in [spdy-http2/spdy-transport#53](https://github.com/spdy-http2/spdy-transport/pull/53)).
+ * And there are a lot more over the ecosystem.
+
+I filed a PR at
+[mysticatea/eslint-plugin-node#110](https://github.com/mysticatea/eslint-plugin-node/pull/110) to
+partially fix that (for cases when that lint rule is used), but it is a semver-major change for
+linter rules and presets, so it would take significant time for that to reach actual setups.
+_It also hasn't been released yet (2018-03-20)._
+
+Also, `safer-buffer` discourages the usage of `.allocUnsafe()`, which is often done by a mistake.
+It still supports it with an explicit concern barier, by placing it under
+`require('safer-buffer/dangereous')`.
+
+## But isn't throwing bad?
+
+Not really. It's an error that could be noticed and fixed early, instead of causing havoc later like
+unguarded `new Buffer()` calls that end up receiving user input can do.
+
+This package affects only the files where `var Buffer = require('safer-buffer').Buffer` was done, so
+it is really simple to keep track of things and make sure that you don't mix old API usage with that.
+Also, CI should hint anything that you might have missed.
+
+New commits, if tested, won't land new usage of unsafe Buffer API this way.
+_Node.js 10.x also deals with that by printing a runtime depecation warning._
+
+### Would it affect third-party modules?
+
+No, unless you explicitly do an awful thing like monkey-patching or overriding the built-in `Buffer`.
+Don't do that.
+
+### But I don't want throwing…
+
+That is also fine!
+
+Also, it could be better in some cases when you don't comprehensive enough test coverage.
+
+In that case — just don't override `Buffer` and use
+`var SaferBuffer = require('safer-buffer').Buffer` instead.
+
+That way, everything using `Buffer` natively would still work, but there would be two drawbacks:
+
+* `Buffer.from`/`Buffer.alloc` won't be polyfilled — use `SaferBuffer.from` and
+  `SaferBuffer.alloc` instead.
+* You are still open to accidentally using the insecure deprecated API — use a linter to catch that.
+
+Note that using a linter to catch accidential `Buffer` constructor usage in this case is strongly
+recommended. `Buffer` is not overriden in this usecase, so linters won't get confused.
+
+## «Without footguns»?
+
+Well, it is still possible to do _some_ things with `Buffer` API, e.g. accessing `.buffer` property
+on older versions and duping things from there. You shouldn't do that in your code, probabably.
+
+The intention is to remove the most significant footguns that affect lots of packages in the
+ecosystem, and to do it in the proper way.
+
+Also, this package doesn't protect against security issues affecting some Node.js versions, so for
+usage in your own production code, it is still recommended to update to a Node.js version
+[supported by upstream](https://github.com/nodejs/release#release-schedule).
diff --git a/web/public/node_modules/safer-buffer/dangerous.js b/web/public/node_modules/safer-buffer/dangerous.js
new file mode 100644
index 000000000..ca41fdc54
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/dangerous.js
@@ -0,0 +1,58 @@
+/* eslint-disable node/no-deprecated-api */
+
+'use strict'
+
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+var safer = require('./safer.js')
+var Safer = safer.Buffer
+
+var dangerous = {}
+
+var key
+
+for (key in safer) {
+  if (!safer.hasOwnProperty(key)) continue
+  dangerous[key] = safer[key]
+}
+
+var Dangereous = dangerous.Buffer = {}
+
+// Copy Safer API
+for (key in Safer) {
+  if (!Safer.hasOwnProperty(key)) continue
+  Dangereous[key] = Safer[key]
+}
+
+// Copy those missing unsafe methods, if they are present
+for (key in Buffer) {
+  if (!Buffer.hasOwnProperty(key)) continue
+  if (Dangereous.hasOwnProperty(key)) continue
+  Dangereous[key] = Buffer[key]
+}
+
+if (!Dangereous.allocUnsafe) {
+  Dangereous.allocUnsafe = function (size) {
+    if (typeof size !== 'number') {
+      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
+    }
+    if (size < 0 || size >= 2 * (1 << 30)) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"')
+    }
+    return Buffer(size)
+  }
+}
+
+if (!Dangereous.allocUnsafeSlow) {
+  Dangereous.allocUnsafeSlow = function (size) {
+    if (typeof size !== 'number') {
+      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
+    }
+    if (size < 0 || size >= 2 * (1 << 30)) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"')
+    }
+    return buffer.SlowBuffer(size)
+  }
+}
+
+module.exports = dangerous
diff --git a/web/public/node_modules/safer-buffer/package.json b/web/public/node_modules/safer-buffer/package.json
new file mode 100644
index 000000000..d452b04ae
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "safer-buffer",
+  "version": "2.1.2",
+  "description": "Modern Buffer API polyfill without footguns",
+  "main": "safer.js",
+  "scripts": {
+    "browserify-test": "browserify --external tape tests.js > browserify-tests.js && tape browserify-tests.js",
+    "test": "standard && tape tests.js"
+  },
+  "author": {
+    "name": "Nikita Skovoroda",
+    "email": "chalkerx@gmail.com",
+    "url": "https://github.com/ChALkeR"
+  },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ChALkeR/safer-buffer.git"
+  },
+  "bugs": {
+    "url": "https://github.com/ChALkeR/safer-buffer/issues"
+  },
+  "devDependencies": {
+    "standard": "^11.0.1",
+    "tape": "^4.9.0"
+  },
+  "files": [
+    "Porting-Buffer.md",
+    "Readme.md",
+    "tests.js",
+    "dangerous.js",
+    "safer.js"
+  ]
+}
diff --git a/web/public/node_modules/safer-buffer/safer.js b/web/public/node_modules/safer-buffer/safer.js
new file mode 100644
index 000000000..37c7e1aa6
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/safer.js
@@ -0,0 +1,77 @@
+/* eslint-disable node/no-deprecated-api */
+
+'use strict'
+
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+var safer = {}
+
+var key
+
+for (key in buffer) {
+  if (!buffer.hasOwnProperty(key)) continue
+  if (key === 'SlowBuffer' || key === 'Buffer') continue
+  safer[key] = buffer[key]
+}
+
+var Safer = safer.Buffer = {}
+for (key in Buffer) {
+  if (!Buffer.hasOwnProperty(key)) continue
+  if (key === 'allocUnsafe' || key === 'allocUnsafeSlow') continue
+  Safer[key] = Buffer[key]
+}
+
+safer.Buffer.prototype = Buffer.prototype
+
+if (!Safer.from || Safer.from === Uint8Array.from) {
+  Safer.from = function (value, encodingOrOffset, length) {
+    if (typeof value === 'number') {
+      throw new TypeError('The "value" argument must not be of type number. Received type ' + typeof value)
+    }
+    if (value && typeof value.length === 'undefined') {
+      throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type ' + typeof value)
+    }
+    return Buffer(value, encodingOrOffset, length)
+  }
+}
+
+if (!Safer.alloc) {
+  Safer.alloc = function (size, fill, encoding) {
+    if (typeof size !== 'number') {
+      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
+    }
+    if (size < 0 || size >= 2 * (1 << 30)) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"')
+    }
+    var buf = Buffer(size)
+    if (!fill || fill.length === 0) {
+      buf.fill(0)
+    } else if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+    return buf
+  }
+}
+
+if (!safer.kStringMaxLength) {
+  try {
+    safer.kStringMaxLength = process.binding('buffer').kStringMaxLength
+  } catch (e) {
+    // we can't determine kStringMaxLength in environments where process.binding
+    // is unsupported, so let's not set it
+  }
+}
+
+if (!safer.constants) {
+  safer.constants = {
+    MAX_LENGTH: safer.kMaxLength
+  }
+  if (safer.kStringMaxLength) {
+    safer.constants.MAX_STRING_LENGTH = safer.kStringMaxLength
+  }
+}
+
+module.exports = safer
diff --git a/web/public/node_modules/safer-buffer/tests.js b/web/public/node_modules/safer-buffer/tests.js
new file mode 100644
index 000000000..7ed2777c9
--- /dev/null
+++ b/web/public/node_modules/safer-buffer/tests.js
@@ -0,0 +1,406 @@
+/* eslint-disable node/no-deprecated-api */
+
+'use strict'
+
+var test = require('tape')
+
+var buffer = require('buffer')
+
+var index = require('./')
+var safer = require('./safer')
+var dangerous = require('./dangerous')
+
+/* Inheritance tests */
+
+test('Default is Safer', function (t) {
+  t.equal(index, safer)
+  t.notEqual(safer, dangerous)
+  t.notEqual(index, dangerous)
+  t.end()
+})
+
+test('Is not a function', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(typeof impl, 'object')
+    t.equal(typeof impl.Buffer, 'object')
+  });
+  [buffer].forEach(function (impl) {
+    t.equal(typeof impl, 'object')
+    t.equal(typeof impl.Buffer, 'function')
+  })
+  t.end()
+})
+
+test('Constructor throws', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.throws(function () { impl.Buffer() })
+    t.throws(function () { impl.Buffer(0) })
+    t.throws(function () { impl.Buffer('a') })
+    t.throws(function () { impl.Buffer('a', 'utf-8') })
+    t.throws(function () { return new impl.Buffer() })
+    t.throws(function () { return new impl.Buffer(0) })
+    t.throws(function () { return new impl.Buffer('a') })
+    t.throws(function () { return new impl.Buffer('a', 'utf-8') })
+  })
+  t.end()
+})
+
+test('Safe methods exist', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(typeof impl.Buffer.alloc, 'function', 'alloc')
+    t.equal(typeof impl.Buffer.from, 'function', 'from')
+  })
+  t.end()
+})
+
+test('Unsafe methods exist only in Dangerous', function (t) {
+  [index, safer].forEach(function (impl) {
+    t.equal(typeof impl.Buffer.allocUnsafe, 'undefined')
+    t.equal(typeof impl.Buffer.allocUnsafeSlow, 'undefined')
+  });
+  [dangerous].forEach(function (impl) {
+    t.equal(typeof impl.Buffer.allocUnsafe, 'function')
+    t.equal(typeof impl.Buffer.allocUnsafeSlow, 'function')
+  })
+  t.end()
+})
+
+test('Generic methods/properties are defined and equal', function (t) {
+  ['poolSize', 'isBuffer', 'concat', 'byteLength'].forEach(function (method) {
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], buffer.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('Built-in buffer static methods/properties are inherited', function (t) {
+  Object.keys(buffer).forEach(function (method) {
+    if (method === 'SlowBuffer' || method === 'Buffer') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl[method], buffer[method], method)
+      t.notEqual(typeof impl[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('Built-in Buffer static methods/properties are inherited', function (t) {
+  Object.keys(buffer.Buffer).forEach(function (method) {
+    if (method === 'allocUnsafe' || method === 'allocUnsafeSlow') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], buffer.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('.prototype property of Buffer is inherited', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(impl.Buffer.prototype, buffer.Buffer.prototype, 'prototype')
+    t.notEqual(typeof impl.Buffer.prototype, 'undefined', 'prototype')
+  })
+  t.end()
+})
+
+test('All Safer methods are present in Dangerous', function (t) {
+  Object.keys(safer).forEach(function (method) {
+    if (method === 'Buffer') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl[method], safer[method], method)
+      if (method !== 'kStringMaxLength') {
+        t.notEqual(typeof impl[method], 'undefined', method)
+      }
+    })
+  })
+  Object.keys(safer.Buffer).forEach(function (method) {
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], safer.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('Safe methods from Dangerous methods are present in Safer', function (t) {
+  Object.keys(dangerous).forEach(function (method) {
+    if (method === 'Buffer') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl[method], dangerous[method], method)
+      if (method !== 'kStringMaxLength') {
+        t.notEqual(typeof impl[method], 'undefined', method)
+      }
+    })
+  })
+  Object.keys(dangerous.Buffer).forEach(function (method) {
+    if (method === 'allocUnsafe' || method === 'allocUnsafeSlow') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], dangerous.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+/* Behaviour tests */
+
+test('Methods return Buffers', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0)))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0, 10)))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0, 'a')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(10)))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(10, 'x')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(9, 'ab')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('string')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('string', 'utf-8')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from([0, 42, 3])))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from(new Uint8Array([0, 42, 3]))))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from([])))
+  });
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    t.ok(buffer.Buffer.isBuffer(dangerous.Buffer[method](0)))
+    t.ok(buffer.Buffer.isBuffer(dangerous.Buffer[method](10)))
+  })
+  t.end()
+})
+
+test('Constructor is buffer.Buffer', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(impl.Buffer.alloc(0).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(0, 10).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(0, 'a').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(10).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(10, 'x').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(9, 'ab').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('string').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('string', 'utf-8').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from([0, 42, 3]).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from(new Uint8Array([0, 42, 3])).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from([]).constructor, buffer.Buffer)
+  });
+  [0, 10, 100].forEach(function (arg) {
+    t.equal(dangerous.Buffer.allocUnsafe(arg).constructor, buffer.Buffer)
+    t.equal(dangerous.Buffer.allocUnsafeSlow(arg).constructor, buffer.SlowBuffer(0).constructor)
+  })
+  t.end()
+})
+
+test('Invalid calls throw', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.throws(function () { impl.Buffer.from(0) })
+    t.throws(function () { impl.Buffer.from(10) })
+    t.throws(function () { impl.Buffer.from(10, 'utf-8') })
+    t.throws(function () { impl.Buffer.from('string', 'invalid encoding') })
+    t.throws(function () { impl.Buffer.from(-10) })
+    t.throws(function () { impl.Buffer.from(1e90) })
+    t.throws(function () { impl.Buffer.from(Infinity) })
+    t.throws(function () { impl.Buffer.from(-Infinity) })
+    t.throws(function () { impl.Buffer.from(NaN) })
+    t.throws(function () { impl.Buffer.from(null) })
+    t.throws(function () { impl.Buffer.from(undefined) })
+    t.throws(function () { impl.Buffer.from() })
+    t.throws(function () { impl.Buffer.from({}) })
+    t.throws(function () { impl.Buffer.alloc('') })
+    t.throws(function () { impl.Buffer.alloc('string') })
+    t.throws(function () { impl.Buffer.alloc('string', 'utf-8') })
+    t.throws(function () { impl.Buffer.alloc('b25ldHdvdGhyZWU=', 'base64') })
+    t.throws(function () { impl.Buffer.alloc(-10) })
+    t.throws(function () { impl.Buffer.alloc(1e90) })
+    t.throws(function () { impl.Buffer.alloc(2 * (1 << 30)) })
+    t.throws(function () { impl.Buffer.alloc(Infinity) })
+    t.throws(function () { impl.Buffer.alloc(-Infinity) })
+    t.throws(function () { impl.Buffer.alloc(null) })
+    t.throws(function () { impl.Buffer.alloc(undefined) })
+    t.throws(function () { impl.Buffer.alloc() })
+    t.throws(function () { impl.Buffer.alloc([]) })
+    t.throws(function () { impl.Buffer.alloc([0, 42, 3]) })
+    t.throws(function () { impl.Buffer.alloc({}) })
+  });
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    t.throws(function () { dangerous.Buffer[method]('') })
+    t.throws(function () { dangerous.Buffer[method]('string') })
+    t.throws(function () { dangerous.Buffer[method]('string', 'utf-8') })
+    t.throws(function () { dangerous.Buffer[method](2 * (1 << 30)) })
+    t.throws(function () { dangerous.Buffer[method](Infinity) })
+    if (dangerous.Buffer[method] === buffer.Buffer.allocUnsafe) {
+      t.skip('Skipping, older impl of allocUnsafe coerced negative sizes to 0')
+    } else {
+      t.throws(function () { dangerous.Buffer[method](-10) })
+      t.throws(function () { dangerous.Buffer[method](-1e90) })
+      t.throws(function () { dangerous.Buffer[method](-Infinity) })
+    }
+    t.throws(function () { dangerous.Buffer[method](null) })
+    t.throws(function () { dangerous.Buffer[method](undefined) })
+    t.throws(function () { dangerous.Buffer[method]() })
+    t.throws(function () { dangerous.Buffer[method]([]) })
+    t.throws(function () { dangerous.Buffer[method]([0, 42, 3]) })
+    t.throws(function () { dangerous.Buffer[method]({}) })
+  })
+  t.end()
+})
+
+test('Buffers have appropriate lengths', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(impl.Buffer.alloc(0).length, 0)
+    t.equal(impl.Buffer.alloc(10).length, 10)
+    t.equal(impl.Buffer.from('').length, 0)
+    t.equal(impl.Buffer.from('string').length, 6)
+    t.equal(impl.Buffer.from('string', 'utf-8').length, 6)
+    t.equal(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64').length, 11)
+    t.equal(impl.Buffer.from([0, 42, 3]).length, 3)
+    t.equal(impl.Buffer.from(new Uint8Array([0, 42, 3])).length, 3)
+    t.equal(impl.Buffer.from([]).length, 0)
+  });
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    t.equal(dangerous.Buffer[method](0).length, 0)
+    t.equal(dangerous.Buffer[method](10).length, 10)
+  })
+  t.end()
+})
+
+test('Buffers have appropriate lengths (2)', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true;
+  [ safer.Buffer.alloc,
+    dangerous.Buffer.allocUnsafe,
+    dangerous.Buffer.allocUnsafeSlow
+  ].forEach(function (method) {
+    for (var i = 0; i < 1e2; i++) {
+      var length = Math.round(Math.random() * 1e5)
+      var buf = method(length)
+      if (!buffer.Buffer.isBuffer(buf)) ok = false
+      if (buf.length !== length) ok = false
+    }
+  })
+  t.ok(ok)
+  t.end()
+})
+
+test('.alloc(size) is zero-filled and has correct length', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true
+  for (var i = 0; i < 1e2; i++) {
+    var length = Math.round(Math.random() * 2e6)
+    var buf = index.Buffer.alloc(length)
+    if (!buffer.Buffer.isBuffer(buf)) ok = false
+    if (buf.length !== length) ok = false
+    var j
+    for (j = 0; j < length; j++) {
+      if (buf[j] !== 0) ok = false
+    }
+    buf.fill(1)
+    for (j = 0; j < length; j++) {
+      if (buf[j] !== 1) ok = false
+    }
+  }
+  t.ok(ok)
+  t.end()
+})
+
+test('.allocUnsafe / .allocUnsafeSlow are fillable and have correct lengths', function (t) {
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    var ok = true
+    for (var i = 0; i < 1e2; i++) {
+      var length = Math.round(Math.random() * 2e6)
+      var buf = dangerous.Buffer[method](length)
+      if (!buffer.Buffer.isBuffer(buf)) ok = false
+      if (buf.length !== length) ok = false
+      buf.fill(0, 0, length)
+      var j
+      for (j = 0; j < length; j++) {
+        if (buf[j] !== 0) ok = false
+      }
+      buf.fill(1, 0, length)
+      for (j = 0; j < length; j++) {
+        if (buf[j] !== 1) ok = false
+      }
+    }
+    t.ok(ok, method)
+  })
+  t.end()
+})
+
+test('.alloc(size, fill) is `fill`-filled', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true
+  for (var i = 0; i < 1e2; i++) {
+    var length = Math.round(Math.random() * 2e6)
+    var fill = Math.round(Math.random() * 255)
+    var buf = index.Buffer.alloc(length, fill)
+    if (!buffer.Buffer.isBuffer(buf)) ok = false
+    if (buf.length !== length) ok = false
+    for (var j = 0; j < length; j++) {
+      if (buf[j] !== fill) ok = false
+    }
+  }
+  t.ok(ok)
+  t.end()
+})
+
+test('.alloc(size, fill) is `fill`-filled', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true
+  for (var i = 0; i < 1e2; i++) {
+    var length = Math.round(Math.random() * 2e6)
+    var fill = Math.round(Math.random() * 255)
+    var buf = index.Buffer.alloc(length, fill)
+    if (!buffer.Buffer.isBuffer(buf)) ok = false
+    if (buf.length !== length) ok = false
+    for (var j = 0; j < length; j++) {
+      if (buf[j] !== fill) ok = false
+    }
+  }
+  t.ok(ok)
+  t.deepEqual(index.Buffer.alloc(9, 'a'), index.Buffer.alloc(9, 97))
+  t.notDeepEqual(index.Buffer.alloc(9, 'a'), index.Buffer.alloc(9, 98))
+
+  var tmp = new buffer.Buffer(2)
+  tmp.fill('ok')
+  if (tmp[1] === tmp[0]) {
+    // Outdated Node.js
+    t.deepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('ooooo'))
+  } else {
+    t.deepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('okoko'))
+  }
+  t.notDeepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('kokok'))
+
+  t.end()
+})
+
+test('safer.Buffer.from returns results same as Buffer constructor', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.deepEqual(impl.Buffer.from(''), new buffer.Buffer(''))
+    t.deepEqual(impl.Buffer.from('string'), new buffer.Buffer('string'))
+    t.deepEqual(impl.Buffer.from('string', 'utf-8'), new buffer.Buffer('string', 'utf-8'))
+    t.deepEqual(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64'), new buffer.Buffer('b25ldHdvdGhyZWU=', 'base64'))
+    t.deepEqual(impl.Buffer.from([0, 42, 3]), new buffer.Buffer([0, 42, 3]))
+    t.deepEqual(impl.Buffer.from(new Uint8Array([0, 42, 3])), new buffer.Buffer(new Uint8Array([0, 42, 3])))
+    t.deepEqual(impl.Buffer.from([]), new buffer.Buffer([]))
+  })
+  t.end()
+})
+
+test('safer.Buffer.from returns consistent results', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.deepEqual(impl.Buffer.from(''), impl.Buffer.alloc(0))
+    t.deepEqual(impl.Buffer.from([]), impl.Buffer.alloc(0))
+    t.deepEqual(impl.Buffer.from(new Uint8Array([])), impl.Buffer.alloc(0))
+    t.deepEqual(impl.Buffer.from('string', 'utf-8'), impl.Buffer.from('string'))
+    t.deepEqual(impl.Buffer.from('string'), impl.Buffer.from([115, 116, 114, 105, 110, 103]))
+    t.deepEqual(impl.Buffer.from('string'), impl.Buffer.from(impl.Buffer.from('string')))
+    t.deepEqual(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64'), impl.Buffer.from('onetwothree'))
+    t.notDeepEqual(impl.Buffer.from('b25ldHdvdGhyZWU='), impl.Buffer.from('onetwothree'))
+  })
+  t.end()
+})
diff --git a/web/public/node_modules/secure-compare/.npmignore b/web/public/node_modules/secure-compare/.npmignore
new file mode 100644
index 000000000..3c3629e64
--- /dev/null
+++ b/web/public/node_modules/secure-compare/.npmignore
@@ -0,0 +1 @@
+node_modules
diff --git a/web/public/node_modules/secure-compare/README.md b/web/public/node_modules/secure-compare/README.md
new file mode 100644
index 000000000..2efff82a8
--- /dev/null
+++ b/web/public/node_modules/secure-compare/README.md
@@ -0,0 +1,35 @@
+# secure-compare
+
+Constant-time comparison algorithm to prevent timing attacks for Node.js.
+Copied from [cryptiles](https://github.com/hapijs/cryptiles) by [C J Silverio](https://github.com/ceejbot).
+
+
+### Installation
+
+```
+$ npm install secure-compare --save
+```
+
+
+### Usage
+
+```javascript
+var compare = require('secure-compare');
+
+compare('hello world', 'hello world').should.equal(true);
+compare('你好世界', '你好世界').should.equal(true);
+
+compare('hello', 'not hello').should.equal(false);
+```
+
+
+### Tests
+
+```
+$ npm test
+```
+
+
+### License
+
+secure-compare is released under the MIT license.
diff --git a/web/public/node_modules/secure-compare/index.js b/web/public/node_modules/secure-compare/index.js
new file mode 100644
index 000000000..1ffa75906
--- /dev/null
+++ b/web/public/node_modules/secure-compare/index.js
@@ -0,0 +1,25 @@
+/**
+ * Expose secure-compare
+ */
+
+module.exports = compare;
+
+
+/**
+ * Secure compare
+ */
+
+function compare (a, b) {
+  if (typeof a !== 'string' || typeof b !== 'string') return false;
+  
+  var mismatch = a.length === b.length ? 0 : 1;
+  if (mismatch) {
+    b = a;
+  }
+  
+  for (var i = 0, il = a.length; i < il; ++i) {
+    mismatch |= (a.charCodeAt(i) ^ b.charCodeAt(i));
+  }
+  
+  return mismatch === 0;
+};
diff --git a/web/public/node_modules/secure-compare/package.json b/web/public/node_modules/secure-compare/package.json
new file mode 100644
index 000000000..62b973248
--- /dev/null
+++ b/web/public/node_modules/secure-compare/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "secure-compare",
+  "version": "3.0.1",
+  "description": "Securely compare two strings, copied from cryptiles",
+  "main": "index.js",
+  "scripts": {
+    "test": "./node_modules/.bin/mocha test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/vdemedes/secure-compare.git"
+  },
+  "keywords": [
+    "secure",
+    "compare"
+  ],
+  "author": "Vadim Demedes <vdemedes@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/vdemedes/secure-compare/issues"
+  },
+  "homepage": "https://github.com/vdemedes/secure-compare",
+  "devDependencies": {
+    "chai": "^2.2.0",
+    "mocha": "^2.2.1"
+  }
+}
diff --git a/web/public/node_modules/secure-compare/test.js b/web/public/node_modules/secure-compare/test.js
new file mode 100644
index 000000000..f31b08a9f
--- /dev/null
+++ b/web/public/node_modules/secure-compare/test.js
@@ -0,0 +1,19 @@
+/**
+ * Dependencies
+ */
+
+var compare = require('./');
+
+require('chai').should();
+
+
+/**
+ * Tests
+ */
+
+describe ('secure-compare', function () {
+  it ('compare', function () {
+    compare('abc', 'abc').should.equal(true);
+    compare('abc', 'ab').should.equal(false);
+  });
+});
diff --git a/web/public/node_modules/set-function-length/.eslintrc b/web/public/node_modules/set-function-length/.eslintrc
new file mode 100644
index 000000000..7cff50717
--- /dev/null
+++ b/web/public/node_modules/set-function-length/.eslintrc
@@ -0,0 +1,27 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"id-length": "off",
+		"new-cap": ["error", {
+			"capIsNewExceptions": [
+				"GetIntrinsic"
+			],
+		}],
+		"no-extra-parens": "off",
+	},
+
+	"overrides": [
+		{
+			"files": ["test/**/*.js"],
+			"rules": {
+				"id-length": "off",
+				"max-lines-per-function": "off",
+				"multiline-comment-style": "off",
+				"no-empty-function": "off",
+			},
+		},
+	],
+}
diff --git a/web/public/node_modules/set-function-length/.github/FUNDING.yml b/web/public/node_modules/set-function-length/.github/FUNDING.yml
new file mode 100644
index 000000000..92feb6f9b
--- /dev/null
+++ b/web/public/node_modules/set-function-length/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/set-function-name
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/web/public/node_modules/set-function-length/.nycrc b/web/public/node_modules/set-function-length/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/web/public/node_modules/set-function-length/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/set-function-length/CHANGELOG.md b/web/public/node_modules/set-function-length/CHANGELOG.md
new file mode 100644
index 000000000..bac439d87
--- /dev/null
+++ b/web/public/node_modules/set-function-length/CHANGELOG.md
@@ -0,0 +1,70 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.2.2](https://github.com/ljharb/set-function-length/compare/v1.2.1...v1.2.2) - 2024-03-09
+
+### Commits
+
+- [types] use shared config [`027032f`](https://github.com/ljharb/set-function-length/commit/027032fe9cc439644a07248ea6a8d813fcc767cb)
+- [actions] remove redundant finisher; use reusable workflow [`1fd4fb1`](https://github.com/ljharb/set-function-length/commit/1fd4fb1c58bd5170f0dcff7e320077c0aa2ffdeb)
+- [types] use a handwritten d.ts file instead of emit [`01b9761`](https://github.com/ljharb/set-function-length/commit/01b9761742c95e1118e8c2d153ce2ae43d9731aa)
+- [Deps] update `define-data-property`, `get-intrinsic`, `has-property-descriptors` [`bee8eaf`](https://github.com/ljharb/set-function-length/commit/bee8eaf7749f325357ade85cffeaeef679e513d4)
+- [Dev Deps] update `call-bind`, `tape` [`5dae579`](https://github.com/ljharb/set-function-length/commit/5dae579fdc3aab91b14ebb58f9c19ee3f509d434)
+- [Tests] use `@arethetypeswrong/cli` [`7e22425`](https://github.com/ljharb/set-function-length/commit/7e22425d15957fd3d6da0b6bca4afc0c8d255d2d)
+
+## [v1.2.1](https://github.com/ljharb/set-function-length/compare/v1.2.0...v1.2.1) - 2024-02-06
+
+### Commits
+
+- [Dev Deps] update `call-bind`, `tape`, `typescript` [`d9a4601`](https://github.com/ljharb/set-function-length/commit/d9a460199c4c1fa37da9ebe055e2c884128f0738)
+- [Deps] update `define-data-property`, `get-intrinsic` [`38d39ae`](https://github.com/ljharb/set-function-length/commit/38d39aed13a757ed36211d5b0437b88485090c6b)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`b4bfe5a`](https://github.com/ljharb/set-function-length/commit/b4bfe5ae0953b906d55b85f867eca5e7f673ebf4)
+
+## [v1.2.0](https://github.com/ljharb/set-function-length/compare/v1.1.1...v1.2.0) - 2024-01-14
+
+### Commits
+
+- [New] add types [`f6d9088`](https://github.com/ljharb/set-function-length/commit/f6d9088b9283a3112b21c6776e8bef6d1f30558a)
+- [Fix] ensure `env` properties are always booleans [`0c42f84`](https://github.com/ljharb/set-function-length/commit/0c42f84979086389b3229e1b4272697fd352275a)
+- [Dev Deps] update `aud`, `call-bind`, `npmignore`, `tape` [`2b75f75`](https://github.com/ljharb/set-function-length/commit/2b75f75468093a4bb8ce8ca989b2edd2e80d95d1)
+- [Deps] update `get-intrinsic`, `has-property-descriptors` [`19bf0fc`](https://github.com/ljharb/set-function-length/commit/19bf0fc4ffaa5ad425acbfa150516be9f3b6263a)
+- [meta] add `sideEffects` flag [`8bb9b78`](https://github.com/ljharb/set-function-length/commit/8bb9b78c11c621123f725c9470222f43466c01d0)
+
+## [v1.1.1](https://github.com/ljharb/set-function-length/compare/v1.1.0...v1.1.1) - 2023-10-19
+
+### Fixed
+
+- [Fix] move `define-data-property` to runtime deps [`#2`](https://github.com/ljharb/set-function-length/issues/2)
+
+### Commits
+
+- [Dev Deps] update `object-inspect`; add missing `call-bind` [`5aecf79`](https://github.com/ljharb/set-function-length/commit/5aecf79e7d6400957a5d9bd9ac20d4528908ca18)
+
+## [v1.1.0](https://github.com/ljharb/set-function-length/compare/v1.0.1...v1.1.0) - 2023-10-13
+
+### Commits
+
+- [New] add `env` entry point [`475c87a`](https://github.com/ljharb/set-function-length/commit/475c87aa2f59b700aaed589d980624ec596acdcb)
+- [Tests] add coverage with `nyc` [`14f0bf8`](https://github.com/ljharb/set-function-length/commit/14f0bf8c145ae60bf14a026420a06bb7be132c36)
+- [eslint] fix linting failure [`fb516f9`](https://github.com/ljharb/set-function-length/commit/fb516f93c664057138c53559ef63c8622a093335)
+- [Deps] update `define-data-property` [`d727e7c`](https://github.com/ljharb/set-function-length/commit/d727e7c6c9a40d7bf26797694e500ea68741feea)
+
+## [v1.0.1](https://github.com/ljharb/set-function-length/compare/v1.0.0...v1.0.1) - 2023-10-12
+
+### Commits
+
+- [Refactor] use `get-intrinsic`, since it‘s in the dep graph anyways [`278a954`](https://github.com/ljharb/set-function-length/commit/278a954a06cd849051c569ff7aee56df6798933e)
+- [meta] add `exports` [`72acfe5`](https://github.com/ljharb/set-function-length/commit/72acfe5a0310071fb205a72caba5ecbab24336a0)
+
+## v1.0.0 - 2023-10-12
+
+### Commits
+
+- Initial implementation, tests, readme [`fce14e1`](https://github.com/ljharb/set-function-length/commit/fce14e17586460e4f294405173be72b6ffdf7e5f)
+- Initial commit [`ca7ba85`](https://github.com/ljharb/set-function-length/commit/ca7ba857c7c283f9d26e21f14e71cd388f2cb722)
+- npm init [`6a7e493`](https://github.com/ljharb/set-function-length/commit/6a7e493927736cebcaf5c1a84e69b8e6b7b744d8)
+- Only apps should have lockfiles [`d2bf6c4`](https://github.com/ljharb/set-function-length/commit/d2bf6c43de8a51b02a0aa53e8d62cb50c4a2b0da)
diff --git a/web/public/node_modules/set-function-length/LICENSE b/web/public/node_modules/set-function-length/LICENSE
new file mode 100644
index 000000000..031492907
--- /dev/null
+++ b/web/public/node_modules/set-function-length/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) Jordan Harband and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/set-function-length/README.md b/web/public/node_modules/set-function-length/README.md
new file mode 100644
index 000000000..15e3ac4b1
--- /dev/null
+++ b/web/public/node_modules/set-function-length/README.md
@@ -0,0 +1,56 @@
+# set-function-length <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Set a function’s length.
+
+Arguments:
+ - `fn`: the function
+ - `length`: the new length. Must be an integer between 0 and 2**32.
+ - `loose`: Optional. If true, and the length fails to be set, do not throw. Default false.
+
+Returns `fn`.
+
+## Usage
+
+```javascript
+var setFunctionLength = require('set-function-length');
+var assert = require('assert');
+
+function zero() {}
+function one(_) {}
+function two(_, __) {}
+
+assert.equal(zero.length, 0);
+assert.equal(one.length, 1);
+assert.equal(two.length, 2);
+
+assert.equal(setFunctionLength(zero, 10), zero);
+assert.equal(setFunctionLength(one, 11), one);
+assert.equal(setFunctionLength(two, 12), two);
+
+assert.equal(zero.length, 10);
+assert.equal(one.length, 11);
+assert.equal(two.length, 12);
+```
+
+[package-url]: https://npmjs.org/package/set-function-length
+[npm-version-svg]: https://versionbadg.es/ljharb/set-function-length.svg
+[deps-svg]: https://david-dm.org/ljharb/set-function-length.svg
+[deps-url]: https://david-dm.org/ljharb/set-function-length
+[dev-deps-svg]: https://david-dm.org/ljharb/set-function-length/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/set-function-length#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/set-function-length.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/set-function-length.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/set-function-length.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=set-function-length
+[codecov-image]: https://codecov.io/gh/ljharb/set-function-length/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/set-function-length/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/set-function-length
+[actions-url]: https://github.com/ljharb/set-function-length/actions
diff --git a/web/public/node_modules/set-function-length/env.d.ts b/web/public/node_modules/set-function-length/env.d.ts
new file mode 100644
index 000000000..970ea535b
--- /dev/null
+++ b/web/public/node_modules/set-function-length/env.d.ts
@@ -0,0 +1,9 @@
+declare const env: {
+	__proto__: null,
+	boundFnsHaveConfigurableLengths: boolean;
+	boundFnsHaveWritableLengths: boolean;
+	functionsHaveConfigurableLengths: boolean;
+	functionsHaveWritableLengths: boolean;
+};
+
+export = env;
\ No newline at end of file
diff --git a/web/public/node_modules/set-function-length/env.js b/web/public/node_modules/set-function-length/env.js
new file mode 100644
index 000000000..d9b0a2997
--- /dev/null
+++ b/web/public/node_modules/set-function-length/env.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var gOPD = require('gopd');
+var bind = require('function-bind');
+
+var unbound = gOPD && gOPD(function () {}, 'length');
+// @ts-expect-error ts(2555) TS is overly strict with .call
+var bound = gOPD && gOPD(bind.call(function () {}), 'length');
+
+var functionsHaveConfigurableLengths = !!(unbound && unbound.configurable);
+
+var functionsHaveWritableLengths = !!(unbound && unbound.writable);
+
+var boundFnsHaveConfigurableLengths = !!(bound && bound.configurable);
+
+var boundFnsHaveWritableLengths = !!(bound && bound.writable);
+
+/** @type {import('./env')} */
+module.exports = {
+	__proto__: null,
+	boundFnsHaveConfigurableLengths: boundFnsHaveConfigurableLengths,
+	boundFnsHaveWritableLengths: boundFnsHaveWritableLengths,
+	functionsHaveConfigurableLengths: functionsHaveConfigurableLengths,
+	functionsHaveWritableLengths: functionsHaveWritableLengths
+};
diff --git a/web/public/node_modules/set-function-length/index.d.ts b/web/public/node_modules/set-function-length/index.d.ts
new file mode 100644
index 000000000..0451ecd39
--- /dev/null
+++ b/web/public/node_modules/set-function-length/index.d.ts
@@ -0,0 +1,7 @@
+declare namespace setFunctionLength {
+    type Func = (...args: unknown[]) => unknown;
+}
+
+declare function setFunctionLength<T extends setFunctionLength.Func = setFunctionLength.Func>(fn: T, length: number, loose?: boolean): T;
+
+export = setFunctionLength;
\ No newline at end of file
diff --git a/web/public/node_modules/set-function-length/index.js b/web/public/node_modules/set-function-length/index.js
new file mode 100644
index 000000000..14ce74dae
--- /dev/null
+++ b/web/public/node_modules/set-function-length/index.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var define = require('define-data-property');
+var hasDescriptors = require('has-property-descriptors')();
+var gOPD = require('gopd');
+
+var $TypeError = require('es-errors/type');
+var $floor = GetIntrinsic('%Math.floor%');
+
+/** @type {import('.')} */
+module.exports = function setFunctionLength(fn, length) {
+	if (typeof fn !== 'function') {
+		throw new $TypeError('`fn` is not a function');
+	}
+	if (typeof length !== 'number' || length < 0 || length > 0xFFFFFFFF || $floor(length) !== length) {
+		throw new $TypeError('`length` must be a positive 32-bit integer');
+	}
+
+	var loose = arguments.length > 2 && !!arguments[2];
+
+	var functionLengthIsConfigurable = true;
+	var functionLengthIsWritable = true;
+	if ('length' in fn && gOPD) {
+		var desc = gOPD(fn, 'length');
+		if (desc && !desc.configurable) {
+			functionLengthIsConfigurable = false;
+		}
+		if (desc && !desc.writable) {
+			functionLengthIsWritable = false;
+		}
+	}
+
+	if (functionLengthIsConfigurable || functionLengthIsWritable || !loose) {
+		if (hasDescriptors) {
+			define(/** @type {Parameters<define>[0]} */ (fn), 'length', length, true, true);
+		} else {
+			define(/** @type {Parameters<define>[0]} */ (fn), 'length', length);
+		}
+	}
+	return fn;
+};
diff --git a/web/public/node_modules/set-function-length/package.json b/web/public/node_modules/set-function-length/package.json
new file mode 100644
index 000000000..f6b88819a
--- /dev/null
+++ b/web/public/node_modules/set-function-length/package.json
@@ -0,0 +1,102 @@
+{
+	"name": "set-function-length",
+	"version": "1.2.2",
+	"description": "Set a function's length property",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./env": "./env.js",
+		"./package.json": "./package.json"
+	},
+	"sideEffects": false,
+	"directories": {
+		"test": "test"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"tsc": "tsc -p .",
+		"posttsc": "attw -P",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "npm run tsc",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/set-function-length.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"set",
+		"function",
+		"length",
+		"function.length"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/set-function-length/issues"
+	},
+	"homepage": "https://github.com/ljharb/set-function-length#readme",
+	"dependencies": {
+		"define-data-property": "^1.1.4",
+		"es-errors": "^1.3.0",
+		"function-bind": "^1.1.2",
+		"get-intrinsic": "^1.2.4",
+		"gopd": "^1.0.1",
+		"has-property-descriptors": "^1.0.2"
+	},
+	"devDependencies": {
+		"@arethetypeswrong/cli": "^0.15.1",
+		"@ljharb/eslint-config": "^21.1.0",
+		"@ljharb/tsconfig": "^0.1.1",
+		"@types/call-bind": "^1.0.5",
+		"@types/define-properties": "^1.1.5",
+		"@types/es-value-fixtures": "^1.4.4",
+		"@types/for-each": "^0.3.3",
+		"@types/function-bind": "^1.1.10",
+		"@types/gopd": "^1.0.3",
+		"@types/has-property-descriptors": "^1.0.3",
+		"@types/object-inspect": "^1.8.4",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"call-bind": "^1.0.7",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.13.1",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "next"
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"test"
+		]
+	}
+}
diff --git a/web/public/node_modules/set-function-length/tsconfig.json b/web/public/node_modules/set-function-length/tsconfig.json
new file mode 100644
index 000000000..d9a6668c3
--- /dev/null
+++ b/web/public/node_modules/set-function-length/tsconfig.json
@@ -0,0 +1,9 @@
+{
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
+}
diff --git a/web/public/node_modules/side-channel/.editorconfig b/web/public/node_modules/side-channel/.editorconfig
new file mode 100644
index 000000000..72e0ebaa7
--- /dev/null
+++ b/web/public/node_modules/side-channel/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 2
+trim_trailing_whitespace = true
diff --git a/web/public/node_modules/side-channel/.eslintrc b/web/public/node_modules/side-channel/.eslintrc
new file mode 100644
index 000000000..93978e7d5
--- /dev/null
+++ b/web/public/node_modules/side-channel/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-lines-per-function": 0,
+		"multiline-comment-style": 1,
+		"new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"] }],
+	},
+}
diff --git a/web/public/node_modules/side-channel/.github/FUNDING.yml b/web/public/node_modules/side-channel/.github/FUNDING.yml
new file mode 100644
index 000000000..2a94840c6
--- /dev/null
+++ b/web/public/node_modules/side-channel/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/side-channel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/web/public/node_modules/side-channel/.nycrc b/web/public/node_modules/side-channel/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/web/public/node_modules/side-channel/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/web/public/node_modules/side-channel/CHANGELOG.md b/web/public/node_modules/side-channel/CHANGELOG.md
new file mode 100644
index 000000000..25369c5f2
--- /dev/null
+++ b/web/public/node_modules/side-channel/CHANGELOG.md
@@ -0,0 +1,95 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.6](https://github.com/ljharb/side-channel/compare/v1.0.5...v1.0.6) - 2024-02-29
+
+### Commits
+
+- add types [`9beef66`](https://github.com/ljharb/side-channel/commit/9beef6643e6d717ea57bedabf86448123a7dd9e9)
+- [meta] simplify `exports` [`4334cf9`](https://github.com/ljharb/side-channel/commit/4334cf9df654151504c383b62a2f9ebdc8d9d5ac)
+- [Deps] update `call-bind` [`d6043c4`](https://github.com/ljharb/side-channel/commit/d6043c4d8f4d7be9037dd0f0419c7a2e0e39ec6a)
+- [Dev Deps] update `tape` [`6aca376`](https://github.com/ljharb/side-channel/commit/6aca3761868dc8cd5ff7fd9799bf6b95e09a6eb0)
+
+## [v1.0.5](https://github.com/ljharb/side-channel/compare/v1.0.4...v1.0.5) - 2024-02-06
+
+### Commits
+
+- [actions] reuse common workflows [`3d2e1ff`](https://github.com/ljharb/side-channel/commit/3d2e1ffd16dd6eaaf3e40ff57951f840d2d63c04)
+- [meta] use `npmignore` to autogenerate an npmignore file [`04296ea`](https://github.com/ljharb/side-channel/commit/04296ea17d1544b0a5d20fd5bfb31aa4f6513eb9)
+- [meta] add `.editorconfig`; add `eclint` [`130f0a6`](https://github.com/ljharb/side-channel/commit/130f0a6adbc04d385c7456a601d38344dce3d6a9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `safe-publish-latest`, `tape` [`d480c2f`](https://github.com/ljharb/side-channel/commit/d480c2fbe757489ae9b4275491ffbcc3ac4725e9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`ecbe70e`](https://github.com/ljharb/side-channel/commit/ecbe70e53a418234081a77971fec1fdfae20c841)
+- [actions] update rebase action [`75240b9`](https://github.com/ljharb/side-channel/commit/75240b9963b816e8846400d2287cb68f88c7fba7)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `npmignore`, `tape` [`ae8d281`](https://github.com/ljharb/side-channel/commit/ae8d281572430099109870fd9430d2ca3f320b8d)
+- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`7125b88`](https://github.com/ljharb/side-channel/commit/7125b885fd0eacad4fee9b073b72d14065ece278)
+- [Deps] update `call-bind`, `get-intrinsic`, `object-inspect` [`82577c9`](https://github.com/ljharb/side-channel/commit/82577c9796304519139a570f82a317211b5f3b86)
+- [Deps] update `call-bind`, `get-intrinsic`, `object-inspect` [`550aadf`](https://github.com/ljharb/side-channel/commit/550aadf20475a6081fd70304cc54f77259a5c8a8)
+- [Tests] increase coverage [`5130877`](https://github.com/ljharb/side-channel/commit/5130877a7b27c862e64e6d1c12a178b28808859d)
+- [Deps] update `get-intrinsic`, `object-inspect` [`ba0194c`](https://github.com/ljharb/side-channel/commit/ba0194c505b1a8a0427be14cadd5b8a46d4d01b8)
+- [meta] add missing `engines.node` [`985fd24`](https://github.com/ljharb/side-channel/commit/985fd249663cb06617a693a94fe08cad12f5cb70)
+- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`40227a8`](https://github.com/ljharb/side-channel/commit/40227a87b01709ad2c0eebf87eb4223a800099b9)
+- [Deps] update `get-intrinsic` [`a989b40`](https://github.com/ljharb/side-channel/commit/a989b4024958737ae7be9fbffdeff2078f33a0fd)
+- [Deps] update `object-inspect` [`aec42d2`](https://github.com/ljharb/side-channel/commit/aec42d2ec541a31aaa02475692c87d489237d9a3)
+
+## [v1.0.4](https://github.com/ljharb/side-channel/compare/v1.0.3...v1.0.4) - 2020-12-29
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`10909cb`](https://github.com/ljharb/side-channel/commit/10909cbf8ce9c0bf96f604cf13d7ffd5a22c2d40)
+- [Refactor] Use a linked list rather than an array, and move accessed nodes to the beginning [`195613f`](https://github.com/ljharb/side-channel/commit/195613f28b5c1e6072ef0b61b5beebaf2b6a304e)
+- [meta] do not publish github action workflow files [`290ec29`](https://github.com/ljharb/side-channel/commit/290ec29cd21a60585145b4a7237ec55228c52c27)
+- [Tests] run `nyc` on all tests; use `tape` runner [`ea6d030`](https://github.com/ljharb/side-channel/commit/ea6d030ff3fe6be2eca39e859d644c51ecd88869)
+- [actions] add "Allow Edits" workflow [`d464d8f`](https://github.com/ljharb/side-channel/commit/d464d8fe52b5eddf1504a0ed97f0941a90f32c15)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog` [`02daca8`](https://github.com/ljharb/side-channel/commit/02daca87c6809821c97be468d1afa2f5ef447383)
+- [Refactor] use `call-bind` and `get-intrinsic` instead of `es-abstract` [`e09d481`](https://github.com/ljharb/side-channel/commit/e09d481528452ebafa5cdeae1af665c35aa2deee)
+- [Deps] update `object.assign` [`ee83aa8`](https://github.com/ljharb/side-channel/commit/ee83aa81df313b5e46319a63adb05cf0c179079a)
+- [actions] update rebase action to use checkout v2 [`7726b0b`](https://github.com/ljharb/side-channel/commit/7726b0b058b632fccea709f58960871defaaa9d7)
+
+## [v1.0.3](https://github.com/ljharb/side-channel/compare/v1.0.2...v1.0.3) - 2020-08-23
+
+### Commits
+
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`1f10561`](https://github.com/ljharb/side-channel/commit/1f105611ef3acf32dec8032ae5c0baa5e56bb868)
+- [Deps] update `es-abstract`, `object-inspect` [`bc20159`](https://github.com/ljharb/side-channel/commit/bc201597949a505e37cef9eaf24c7010831e6f03)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`b9b2b22`](https://github.com/ljharb/side-channel/commit/b9b2b225f9e0ea72a6ec2b89348f0bd690bc9ed1)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`7055ab4`](https://github.com/ljharb/side-channel/commit/7055ab4de0860606efd2003674a74f1fe6ebc07e)
+- [Dev Deps] update `auto-changelog`; add `aud` [`d278c37`](https://github.com/ljharb/side-channel/commit/d278c37d08227be4f84aa769fcd919e73feeba40)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`3bcf982`](https://github.com/ljharb/side-channel/commit/3bcf982faa122745b39c33ce83d32fdf003741c6)
+- [Tests] only audit prod deps [`18d01c4`](https://github.com/ljharb/side-channel/commit/18d01c4015b82a3d75044c4d5ba7917b2eac01ec)
+- [Deps] update `es-abstract` [`6ab096d`](https://github.com/ljharb/side-channel/commit/6ab096d9de2b482cf5e0717e34e212f5b2b9bc9a)
+- [Dev Deps] update `tape` [`9dc174c`](https://github.com/ljharb/side-channel/commit/9dc174cc651dfd300b4b72da936a0a7eda5f9452)
+- [Deps] update `es-abstract` [`431d0f0`](https://github.com/ljharb/side-channel/commit/431d0f0ff11fbd2ae6f3115582a356d3a1cfce82)
+- [Deps] update `es-abstract` [`49869fd`](https://github.com/ljharb/side-channel/commit/49869fd323bf4453f0ba515c0fb265cf5ab7b932)
+- [meta] Add package.json to package's exports [`77d9cdc`](https://github.com/ljharb/side-channel/commit/77d9cdceb2a9e47700074f2ae0c0a202e7dac0d4)
+
+## [v1.0.2](https://github.com/ljharb/side-channel/compare/v1.0.1...v1.0.2) - 2019-12-20
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`4a526df`](https://github.com/ljharb/side-channel/commit/4a526df44e4701566ed001ec78546193f818b082)
+- [Deps] update `es-abstract` [`d4f6e62`](https://github.com/ljharb/side-channel/commit/d4f6e629b6fb93a07415db7f30d3c90fd7f264fe)
+
+## [v1.0.1](https://github.com/ljharb/side-channel/compare/v1.0.0...v1.0.1) - 2019-12-01
+
+### Commits
+
+- [Fix] add missing "exports" [`d212907`](https://github.com/ljharb/side-channel/commit/d2129073abf0701a5343bf28aa2145617604dc2e)
+
+## v1.0.0 - 2019-12-01
+
+### Commits
+
+- Initial implementation [`dbebd3a`](https://github.com/ljharb/side-channel/commit/dbebd3a4b5ed64242f9a6810efe7c4214cd8cde4)
+- Initial tests [`73bdefe`](https://github.com/ljharb/side-channel/commit/73bdefe568c9076cf8c0b8719bc2141aec0e19b8)
+- Initial commit [`43c03e1`](https://github.com/ljharb/side-channel/commit/43c03e1c2849ec50a87b7a5cd76238a62b0b8770)
+- npm init [`5c090a7`](https://github.com/ljharb/side-channel/commit/5c090a765d66a5527d9889b89aeff78dee91348c)
+- [meta] add `auto-changelog` [`a5c4e56`](https://github.com/ljharb/side-channel/commit/a5c4e5675ec02d5eb4d84b4243aeea2a1d38fbec)
+- [actions] add automatic rebasing / merge commit blocking [`bab1683`](https://github.com/ljharb/side-channel/commit/bab1683d8f9754b086e94397699fdc645e0d7077)
+- [meta] add `funding` field; create FUNDING.yml [`63d7aea`](https://github.com/ljharb/side-channel/commit/63d7aeaf34f5650650ae97ca4b9fae685bd0937c)
+- [Tests] add `npm run lint` [`46a5a81`](https://github.com/ljharb/side-channel/commit/46a5a81705cd2664f83df232c01dbbf2ee952885)
+- Only apps should have lockfiles [`8b16b03`](https://github.com/ljharb/side-channel/commit/8b16b0305f00895d90c4e2e5773c854cfea0e448)
+- [meta] add `safe-publish-latest` [`2f098ef`](https://github.com/ljharb/side-channel/commit/2f098ef092a39399cfe548b19a1fc03c2fd2f490)
diff --git a/web/public/node_modules/side-channel/LICENSE b/web/public/node_modules/side-channel/LICENSE
new file mode 100644
index 000000000..3900dd7e2
--- /dev/null
+++ b/web/public/node_modules/side-channel/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/side-channel/README.md b/web/public/node_modules/side-channel/README.md
new file mode 100644
index 000000000..7fa4f0680
--- /dev/null
+++ b/web/public/node_modules/side-channel/README.md
@@ -0,0 +1,2 @@
+# side-channel
+Store information about any JS value in a side channel. Uses WeakMap if available.
diff --git a/web/public/node_modules/side-channel/index.d.ts b/web/public/node_modules/side-channel/index.d.ts
new file mode 100644
index 000000000..7cb112b90
--- /dev/null
+++ b/web/public/node_modules/side-channel/index.d.ts
@@ -0,0 +1,27 @@
+declare namespace getSideChannel {
+	type Key = unknown;
+	type ListNode<T> = {
+		key: Key;
+		next: ListNode<T>;
+		value: T;
+	};
+	type RootNode<T> = {
+		key: object;
+		next: null | ListNode<T>;
+	};
+	function listGetNode<T>(list: RootNode<T>, key: ListNode<T>['key']): ListNode<T> | void;
+	function listGet<T>(objects: RootNode<T>, key: ListNode<T>['key']): T | void;
+	function listSet<T>(objects: RootNode<T>, key: ListNode<T>['key'], value: T): void;
+	function listHas<T>(objects: RootNode<T>, key: ListNode<T>['key']): boolean;
+
+	type Channel = {
+		assert: (key: Key) => void;
+		has: (key: Key) => boolean;
+		get: <T>(key: Key) => T;
+		set: <T>(key: Key, value: T) => void;
+	}
+}
+
+declare function getSideChannel(): getSideChannel.Channel;
+
+export = getSideChannel;
diff --git a/web/public/node_modules/side-channel/index.js b/web/public/node_modules/side-channel/index.js
new file mode 100644
index 000000000..6b6926e11
--- /dev/null
+++ b/web/public/node_modules/side-channel/index.js
@@ -0,0 +1,129 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var callBound = require('call-bind/callBound');
+var inspect = require('object-inspect');
+
+var $TypeError = require('es-errors/type');
+var $WeakMap = GetIntrinsic('%WeakMap%', true);
+var $Map = GetIntrinsic('%Map%', true);
+
+var $weakMapGet = callBound('WeakMap.prototype.get', true);
+var $weakMapSet = callBound('WeakMap.prototype.set', true);
+var $weakMapHas = callBound('WeakMap.prototype.has', true);
+var $mapGet = callBound('Map.prototype.get', true);
+var $mapSet = callBound('Map.prototype.set', true);
+var $mapHas = callBound('Map.prototype.has', true);
+
+/*
+* This function traverses the list returning the node corresponding to the given key.
+*
+* That node is also moved to the head of the list, so that if it's accessed again we don't need to traverse the whole list. By doing so, all the recently used nodes can be accessed relatively quickly.
+*/
+/** @type {import('.').listGetNode} */
+var listGetNode = function (list, key) { // eslint-disable-line consistent-return
+	/** @type {typeof list | NonNullable<(typeof list)['next']>} */
+	var prev = list;
+	/** @type {(typeof list)['next']} */
+	var curr;
+	for (; (curr = prev.next) !== null; prev = curr) {
+		if (curr.key === key) {
+			prev.next = curr.next;
+			// eslint-disable-next-line no-extra-parens
+			curr.next = /** @type {NonNullable<typeof list.next>} */ (list.next);
+			list.next = curr; // eslint-disable-line no-param-reassign
+			return curr;
+		}
+	}
+};
+
+/** @type {import('.').listGet} */
+var listGet = function (objects, key) {
+	var node = listGetNode(objects, key);
+	return node && node.value;
+};
+/** @type {import('.').listSet} */
+var listSet = function (objects, key, value) {
+	var node = listGetNode(objects, key);
+	if (node) {
+		node.value = value;
+	} else {
+		// Prepend the new node to the beginning of the list
+		objects.next = /** @type {import('.').ListNode<typeof value>} */ ({ // eslint-disable-line no-param-reassign, no-extra-parens
+			key: key,
+			next: objects.next,
+			value: value
+		});
+	}
+};
+/** @type {import('.').listHas} */
+var listHas = function (objects, key) {
+	return !!listGetNode(objects, key);
+};
+
+/** @type {import('.')} */
+module.exports = function getSideChannel() {
+	/** @type {WeakMap<object, unknown>} */ var $wm;
+	/** @type {Map<object, unknown>} */ var $m;
+	/** @type {import('.').RootNode<unknown>} */ var $o;
+
+	/** @type {import('.').Channel} */
+	var channel = {
+		assert: function (key) {
+			if (!channel.has(key)) {
+				throw new $TypeError('Side channel does not contain ' + inspect(key));
+			}
+		},
+		get: function (key) { // eslint-disable-line consistent-return
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if ($wm) {
+					return $weakMapGet($wm, key);
+				}
+			} else if ($Map) {
+				if ($m) {
+					return $mapGet($m, key);
+				}
+			} else {
+				if ($o) { // eslint-disable-line no-lonely-if
+					return listGet($o, key);
+				}
+			}
+		},
+		has: function (key) {
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if ($wm) {
+					return $weakMapHas($wm, key);
+				}
+			} else if ($Map) {
+				if ($m) {
+					return $mapHas($m, key);
+				}
+			} else {
+				if ($o) { // eslint-disable-line no-lonely-if
+					return listHas($o, key);
+				}
+			}
+			return false;
+		},
+		set: function (key, value) {
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if (!$wm) {
+					$wm = new $WeakMap();
+				}
+				$weakMapSet($wm, key, value);
+			} else if ($Map) {
+				if (!$m) {
+					$m = new $Map();
+				}
+				$mapSet($m, key, value);
+			} else {
+				if (!$o) {
+					// Initialize the linked list as an empty node, so that we don't have to special-case handling of the first node: we can always refer to it as (previous node).next, instead of something like (list).head
+					$o = { key: {}, next: null };
+				}
+				listSet($o, key, value);
+			}
+		}
+	};
+	return channel;
+};
diff --git a/web/public/node_modules/side-channel/package.json b/web/public/node_modules/side-channel/package.json
new file mode 100644
index 000000000..02cffca6c
--- /dev/null
+++ b/web/public/node_modules/side-channel/package.json
@@ -0,0 +1,84 @@
+{
+	"name": "side-channel",
+	"version": "1.0.6",
+	"description": "Store information about any JS value in a side channel. Uses WeakMap if available.",
+	"main": "index.js",
+	"exports": {
+		"./package.json": "./package.json",
+		".": "./index.js"
+	},
+	"types": "./index.d.ts",
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prelint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
+		"lint": "eslint --ext=js,mjs .",
+		"postlint": "tsc -p .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/side-channel.git"
+	},
+	"keywords": [
+		"weakmap",
+		"map",
+		"side",
+		"channel",
+		"metadata"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/side-channel/issues"
+	},
+	"homepage": "https://github.com/ljharb/side-channel#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.1.0",
+		"@types/call-bind": "^1.0.5",
+		"@types/get-intrinsic": "^1.2.2",
+		"@types/object-inspect": "^1.8.4",
+		"@types/tape": "^5.6.4",
+		"aud": "^2.0.4",
+		"auto-changelog": "^2.4.0",
+		"eclint": "^2.8.1",
+		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"npmignore": "^0.3.1",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.7.5",
+		"typescript": "next"
+	},
+	"dependencies": {
+		"call-bind": "^1.0.7",
+		"es-errors": "^1.3.0",
+		"get-intrinsic": "^1.2.4",
+		"object-inspect": "^1.13.1"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	}
+}
diff --git a/web/public/node_modules/side-channel/test/index.js b/web/public/node_modules/side-channel/test/index.js
new file mode 100644
index 000000000..8da320073
--- /dev/null
+++ b/web/public/node_modules/side-channel/test/index.js
@@ -0,0 +1,83 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannel = require('../');
+
+test('export', function (t) {
+	t.equal(typeof getSideChannel, 'function', 'is a function');
+	t.equal(getSideChannel.length, 0, 'takes no arguments');
+
+	var channel = getSideChannel();
+	t.ok(channel, 'is truthy');
+	t.equal(typeof channel, 'object', 'is an object');
+
+	t.end();
+});
+
+test('assert', function (t) {
+	var channel = getSideChannel();
+	t['throws'](
+		function () { channel.assert({}); },
+		TypeError,
+		'nonexistent value throws'
+	);
+
+	var o = {};
+	channel.set(o, 'data');
+	t.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+	t.end();
+});
+
+test('has', function (t) {
+	var channel = getSideChannel();
+	/** @type {unknown[]} */ var o = [];
+
+	t.equal(channel.has(o), false, 'nonexistent value yields false');
+
+	channel.set(o, 'foo');
+	t.equal(channel.has(o), true, 'existent value yields true');
+
+	t.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+	channel.set('abc', 'foo');
+	t.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+	t.end();
+});
+
+test('get', function (t) {
+	var channel = getSideChannel();
+	var o = {};
+	t.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+	var data = {};
+	channel.set(o, data);
+	t.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+	t.end();
+});
+
+test('set', function (t) {
+	var channel = getSideChannel();
+	var o = function () {};
+	t.equal(channel.get(o), undefined, 'value not set');
+
+	channel.set(o, 42);
+	t.equal(channel.get(o), 42, 'value was set');
+
+	channel.set(o, Infinity);
+	t.equal(channel.get(o), Infinity, 'value was set again');
+
+	var o2 = {};
+	channel.set(o2, 17);
+	t.equal(channel.get(o), Infinity, 'o is not modified');
+	t.equal(channel.get(o2), 17, 'o2 is set');
+
+	channel.set(o, 14);
+	t.equal(channel.get(o), 14, 'o is modified');
+	t.equal(channel.get(o2), 17, 'o2 is not modified');
+
+	t.end();
+});
diff --git a/web/public/node_modules/side-channel/tsconfig.json b/web/public/node_modules/side-channel/tsconfig.json
new file mode 100644
index 000000000..fdfa1550d
--- /dev/null
+++ b/web/public/node_modules/side-channel/tsconfig.json
@@ -0,0 +1,50 @@
+{
+	"compilerOptions": {
+		/* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+		/* Projects */
+
+		/* Language and Environment */
+		"target": "es2022",																	/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+		// "lib": [],																				/* Specify a set of bundled library declaration files that describe the target runtime environment. */
+		// "noLib": true,																		/* Disable including any library files, including the default lib.d.ts. */
+		"useDefineForClassFields": true,										 /* Emit ECMAScript-standard-compliant class fields. */
+		// "moduleDetection": "auto",												/* Control what method is used to detect module-format JS files. */
+
+		/* Modules */
+		"module": "commonjs",																/* Specify what module code is generated. */
+		// "rootDir": "./",																	/* Specify the root folder within your source files. */
+		// "moduleResolution": "node",											 /* Specify how TypeScript looks up a file from a given module specifier. */
+		// "baseUrl": "./",																	/* Specify the base directory to resolve non-relative module names. */
+		// "paths": {},																			/* Specify a set of entries that re-map imports to additional lookup locations. */
+		// "rootDirs": [],																	 /* Allow multiple folders to be treated as one when resolving modules. */
+		// "typeRoots": ["types"],													 /* Specify multiple folders that act like `./node_modules/@types`. */
+		"resolveJsonModule": true,													 /* Enable importing .json files. */
+		// "allowArbitraryExtensions": true,								 /* Enable importing files with any extension, provided a declaration file is present. */
+
+		/* JavaScript Support */
+		"allowJs": true,																		 /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+		"checkJs": true,																		 /* Enable error reporting in type-checked JavaScript files. */
+		"maxNodeModuleJsDepth": 1,													 /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
+
+		/* Emit */
+		"declaration": true,																 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+		"declarationMap": true,															/* Create sourcemaps for d.ts files. */
+		"noEmit": true,																			/* Disable emitting files from a compilation. */
+
+		/* Interop Constraints */
+		"allowSyntheticDefaultImports": true,								/* Allow `import x from y` when a module doesn't have a default export. */
+		"esModuleInterop": true,														 /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
+		"forceConsistentCasingInFileNames": true,						/* Ensure that casing is correct in imports. */
+
+		/* Type Checking */
+		"strict": true,																			/* Enable all strict type-checking options. */
+
+		/* Completeness */
+		// "skipLibCheck": true															/* Skip type checking all .d.ts files. */
+	},
+	"exclude": [
+		"coverage",
+		"test/list-exports"
+	],
+}
diff --git a/web/public/node_modules/supports-color/browser.js b/web/public/node_modules/supports-color/browser.js
new file mode 100644
index 000000000..62afa3a74
--- /dev/null
+++ b/web/public/node_modules/supports-color/browser.js
@@ -0,0 +1,5 @@
+'use strict';
+module.exports = {
+	stdout: false,
+	stderr: false
+};
diff --git a/web/public/node_modules/supports-color/index.js b/web/public/node_modules/supports-color/index.js
new file mode 100644
index 000000000..6fada390f
--- /dev/null
+++ b/web/public/node_modules/supports-color/index.js
@@ -0,0 +1,135 @@
+'use strict';
+const os = require('os');
+const tty = require('tty');
+const hasFlag = require('has-flag');
+
+const {env} = process;
+
+let forceColor;
+if (hasFlag('no-color') ||
+	hasFlag('no-colors') ||
+	hasFlag('color=false') ||
+	hasFlag('color=never')) {
+	forceColor = 0;
+} else if (hasFlag('color') ||
+	hasFlag('colors') ||
+	hasFlag('color=true') ||
+	hasFlag('color=always')) {
+	forceColor = 1;
+}
+
+if ('FORCE_COLOR' in env) {
+	if (env.FORCE_COLOR === 'true') {
+		forceColor = 1;
+	} else if (env.FORCE_COLOR === 'false') {
+		forceColor = 0;
+	} else {
+		forceColor = env.FORCE_COLOR.length === 0 ? 1 : Math.min(parseInt(env.FORCE_COLOR, 10), 3);
+	}
+}
+
+function translateLevel(level) {
+	if (level === 0) {
+		return false;
+	}
+
+	return {
+		level,
+		hasBasic: true,
+		has256: level >= 2,
+		has16m: level >= 3
+	};
+}
+
+function supportsColor(haveStream, streamIsTTY) {
+	if (forceColor === 0) {
+		return 0;
+	}
+
+	if (hasFlag('color=16m') ||
+		hasFlag('color=full') ||
+		hasFlag('color=truecolor')) {
+		return 3;
+	}
+
+	if (hasFlag('color=256')) {
+		return 2;
+	}
+
+	if (haveStream && !streamIsTTY && forceColor === undefined) {
+		return 0;
+	}
+
+	const min = forceColor || 0;
+
+	if (env.TERM === 'dumb') {
+		return min;
+	}
+
+	if (process.platform === 'win32') {
+		// Windows 10 build 10586 is the first Windows release that supports 256 colors.
+		// Windows 10 build 14931 is the first release that supports 16m/TrueColor.
+		const osRelease = os.release().split('.');
+		if (
+			Number(osRelease[0]) >= 10 &&
+			Number(osRelease[2]) >= 10586
+		) {
+			return Number(osRelease[2]) >= 14931 ? 3 : 2;
+		}
+
+		return 1;
+	}
+
+	if ('CI' in env) {
+		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {
+			return 1;
+		}
+
+		return min;
+	}
+
+	if ('TEAMCITY_VERSION' in env) {
+		return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0;
+	}
+
+	if (env.COLORTERM === 'truecolor') {
+		return 3;
+	}
+
+	if ('TERM_PROGRAM' in env) {
+		const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10);
+
+		switch (env.TERM_PROGRAM) {
+			case 'iTerm.app':
+				return version >= 3 ? 3 : 2;
+			case 'Apple_Terminal':
+				return 2;
+			// No default
+		}
+	}
+
+	if (/-256(color)?$/i.test(env.TERM)) {
+		return 2;
+	}
+
+	if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) {
+		return 1;
+	}
+
+	if ('COLORTERM' in env) {
+		return 1;
+	}
+
+	return min;
+}
+
+function getSupportLevel(stream) {
+	const level = supportsColor(stream, stream && stream.isTTY);
+	return translateLevel(level);
+}
+
+module.exports = {
+	supportsColor: getSupportLevel,
+	stdout: translateLevel(supportsColor(true, tty.isatty(1))),
+	stderr: translateLevel(supportsColor(true, tty.isatty(2)))
+};
diff --git a/web/public/node_modules/supports-color/license b/web/public/node_modules/supports-color/license
new file mode 100644
index 000000000..e7af2f771
--- /dev/null
+++ b/web/public/node_modules/supports-color/license
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/supports-color/package.json b/web/public/node_modules/supports-color/package.json
new file mode 100644
index 000000000..f7182edce
--- /dev/null
+++ b/web/public/node_modules/supports-color/package.json
@@ -0,0 +1,53 @@
+{
+	"name": "supports-color",
+	"version": "7.2.0",
+	"description": "Detect whether a terminal supports color",
+	"license": "MIT",
+	"repository": "chalk/supports-color",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js",
+		"browser.js"
+	],
+	"keywords": [
+		"color",
+		"colour",
+		"colors",
+		"terminal",
+		"console",
+		"cli",
+		"ansi",
+		"styles",
+		"tty",
+		"rgb",
+		"256",
+		"shell",
+		"xterm",
+		"command-line",
+		"support",
+		"supports",
+		"capability",
+		"detect",
+		"truecolor",
+		"16m"
+	],
+	"dependencies": {
+		"has-flag": "^4.0.0"
+	},
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"import-fresh": "^3.0.0",
+		"xo": "^0.24.0"
+	},
+	"browser": "browser.js"
+}
diff --git a/web/public/node_modules/supports-color/readme.md b/web/public/node_modules/supports-color/readme.md
new file mode 100644
index 000000000..365422858
--- /dev/null
+++ b/web/public/node_modules/supports-color/readme.md
@@ -0,0 +1,76 @@
+# supports-color [![Build Status](https://travis-ci.org/chalk/supports-color.svg?branch=master)](https://travis-ci.org/chalk/supports-color)
+
+> Detect whether a terminal supports color
+
+
+## Install
+
+```
+$ npm install supports-color
+```
+
+
+## Usage
+
+```js
+const supportsColor = require('supports-color');
+
+if (supportsColor.stdout) {
+	console.log('Terminal stdout supports color');
+}
+
+if (supportsColor.stdout.has256) {
+	console.log('Terminal stdout supports 256 colors');
+}
+
+if (supportsColor.stderr.has16m) {
+	console.log('Terminal stderr supports 16 million colors (truecolor)');
+}
+```
+
+
+## API
+
+Returns an `Object` with a `stdout` and `stderr` property for testing either streams. Each property is an `Object`, or `false` if color is not supported.
+
+The `stdout`/`stderr` objects specifies a level of support for color through a `.level` property and a corresponding flag:
+
+- `.level = 1` and `.hasBasic = true`: Basic color support (16 colors)
+- `.level = 2` and `.has256 = true`: 256 color support
+- `.level = 3` and `.has16m = true`: Truecolor support (16 million colors)
+
+
+## Info
+
+It obeys the `--color` and `--no-color` CLI flags.
+
+For situations where using `--color` is not possible, use the environment variable `FORCE_COLOR=1` (level 1), `FORCE_COLOR=2` (level 2), or `FORCE_COLOR=3` (level 3) to forcefully enable color, or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks.
+
+Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively.
+
+
+## Related
+
+- [supports-color-cli](https://github.com/chalk/supports-color-cli) - CLI for this module
+- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right
+
+
+## Maintainers
+
+- [Sindre Sorhus](https://github.com/sindresorhus)
+- [Josh Junon](https://github.com/qix-)
+
+
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-supports-color?utm_source=npm-supports-color&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>
+
+---
diff --git a/web/public/node_modules/union/.gitattributes b/web/public/node_modules/union/.gitattributes
new file mode 100644
index 000000000..1a6bd4587
--- /dev/null
+++ b/web/public/node_modules/union/.gitattributes
@@ -0,0 +1 @@
+package-lock.json binary
diff --git a/web/public/node_modules/union/.travis.yml b/web/public/node_modules/union/.travis.yml
new file mode 100644
index 000000000..e91613a65
--- /dev/null
+++ b/web/public/node_modules/union/.travis.yml
@@ -0,0 +1,12 @@
+language: node_js
+node_js:
+  - "0.10"
+  - "0.12"
+  - "4"
+  - "6"
+
+notifications:
+  email:
+    - travis@nodejitsu.com
+  irc: "irc.freenode.org#nodejitsu"
+
diff --git a/web/public/node_modules/union/CHANGELOG.md b/web/public/node_modules/union/CHANGELOG.md
new file mode 100644
index 000000000..c4d4c9982
--- /dev/null
+++ b/web/public/node_modules/union/CHANGELOG.md
@@ -0,0 +1,7 @@
+
+0.3.4 / 2012-07-24
+==================
+
+  * Added SPDY support
+  * Added http redirect utility function
+
diff --git a/web/public/node_modules/union/LICENSE b/web/public/node_modules/union/LICENSE
new file mode 100644
index 000000000..b7e5560d7
--- /dev/null
+++ b/web/public/node_modules/union/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2010 Charlie Robbins & the Contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/union/README.md b/web/public/node_modules/union/README.md
new file mode 100644
index 000000000..96b534877
--- /dev/null
+++ b/web/public/node_modules/union/README.md
@@ -0,0 +1,323 @@
+
+<img src="https://github.com/flatiron/union/raw/master/union.png" />
+
+# Synopsis
+A hybrid streaming middleware kernel backwards compatible with connect.
+
+# Motivation
+The advantage to streaming middlewares is that they do not require buffering the entire stream in order to execute their function.
+
+# Status
+
+[![Build Status](https://secure.travis-ci.org/flatiron/union.png)](http://travis-ci.org/flatiron/union)
+
+# Installation
+There are a few ways to use `union`. Install the library using npm. You can add it to your `package.json` file as a dependancy
+
+```bash
+  $ [sudo] npm install union
+```
+
+## Usage
+Union's request handling is [connect](https://github.com/senchalabs/connect)-compatible, meaning that all existing connect middlewares should work out-of-the-box with union.
+
+**(Union 0.3.x is compatible with connect >= 2.1.0)**
+
+In addition, the response object passed to middlewares listens for a "next" event, which is equivalent to calling `next()`. Flatiron middlewares are written in this manner, meaning they are not reverse-compatible with connect.
+
+### A simple case
+
+``` js
+var fs = require('fs'),
+    union = require('../lib'),
+    director = require('director');
+
+var router = new director.http.Router();
+
+var server = union.createServer({
+  before: [
+    function (req, res) {
+      var found = router.dispatch(req, res);
+      if (!found) {
+        res.emit('next');
+      }
+    }
+  ]
+});
+
+router.get(/foo/, function () {
+  this.res.writeHead(200, { 'Content-Type': 'text/plain' })
+  this.res.end('hello world\n');
+});
+
+router.post(/foo/, { stream: true }, function () {
+  var req = this.req,
+      res = this.res,
+      writeStream;
+
+  writeStream = fs.createWriteStream(Date.now() + '-foo.txt');
+  req.pipe(writeStream);
+
+  writeStream.on('close', function () {
+    res.writeHead(200, { 'Content-Type': 'text/plain' });
+    res.end('wrote to a stream!');
+  });
+});
+
+server.listen(9090);
+console.log('union with director running on 9090');
+```
+
+To demonstrate the code, we use [director](https://github.com/flatiron/director). A light-weight, Client AND Server side URL-Router for Node.js and Single Page Apps!
+
+### A case with connect
+
+Code based on connect
+
+```js
+var connect = require('connect')
+  , http = require('http');
+
+var app = connect()
+  .use(connect.favicon())
+  .use(connect.logger('dev'))
+  .use(connect.static('public'))
+  .use(connect.directory('public'))
+  .use(connect.cookieParser('my secret here'))
+  .use(connect.session())
+  .use(function (req, res) {
+    res.end('Hello from Connect!\n');
+  });
+
+http.createServer(app).listen(3000);
+```
+
+Code based on union
+
+```js
+var connect = require('connect')
+  , union = require('union');
+
+var server = union.createServer({
+  buffer: false,
+  before: [
+    connect.favicon(),
+    connect.logger('dev'),
+    connect.static('public'),
+    connect.directory('public'),
+    connect.cookieParser('my secret here'),
+    connect.session(),
+    function (req, res) {
+      res.end('Hello from Connect!\n');
+    },
+  ]
+}).listen(3000);
+```
+
+### SPDY enabled server example
+
+# API
+
+## union Static Members
+
+### createServer(options)
+The `options` object is required. Options include:
+
+Specification
+
+```
+  function createServer(options)
+
+  @param options {Object}
+  An object literal that represents the configuration for the server.
+
+    @option before {Array}
+    The `before` value is an array of middlewares, which are used to route and serve incoming
+    requests. For instance, in the example, `favicon` is a middleware which handles requests
+    for `/favicon.ico`.
+
+    @option after {Array}
+    The `after` value is an array of functions that return stream filters,
+    which are applied after the request handlers in `options.before`.
+    Stream filters inherit from `union.ResponseStream`, which implements the
+    Node.js core streams api with a bunch of other goodies.
+
+    @option limit {Object}
+    (optional) A value, passed to internal instantiations of `union.BufferedStream`.
+
+    @option https {Object}
+    (optional) A value that specifies the certificate and key necessary to create an instance of
+    `https.Server`.
+
+    @option spdy {Object}
+    (optional) A value that specifies the certificate and key necessary to create an instance of
+    `spdy.Server`.
+
+    @option headers {Object}
+    (optional) An object representing a set of headers to set in every outgoing response
+```
+
+Example
+
+```js
+var server = union.createServer({
+  before: [
+    favicon('./favicon.png'),
+    function (req, res) {
+      var found = router.dispatch(req, res);
+      if (!found) {
+        res.emit('next');
+      }
+    }
+  ]
+});
+```
+
+An example of the `https` or `spdy` option.
+
+``` js
+{
+  cert: 'path/to/cert.pem',
+  key: 'path/to/key.pem',
+  ca: 'path/to/ca.pem'
+}
+```
+
+An example of the `headers` option.
+
+``` js
+{
+  'x-powered-by': 'your-sweet-application v10.9.8'
+}
+```
+
+## Error Handling
+Error handler is similiar to middlware but takes an extra argument for error at the beginning.
+
+```js
+var handle = function (err, req, res) {
+  res.statusCode = err.status;
+  res.end(req.headers);
+};
+
+var server = union.createServer({
+  onError: handle,
+  before: [
+    favicon('./favicon.png'),
+    function (req, res) {
+      var found = router.dispatch(req, res);
+      if (!found) {
+        res.emit('next');
+      }
+    }
+  ]
+});
+```
+
+## BufferedStream Constructor
+This constructor inherits from `Stream` and can buffer data up to `limit` bytes. It also implements `pause` and `resume` methods.
+
+Specification
+
+```
+  function BufferedStream(limit)
+
+  @param limit {Number}
+  the limit for which the stream can be buffered
+```
+
+Example
+
+```js
+var bs = union.BufferedStream(n);
+```
+
+## HttpStream Constructor
+This constructor inherits from `union.BufferedStream` and returns a stream with these extra properties:
+
+Specification
+
+```
+  function HttpStream()
+```
+
+Example
+
+```js
+var hs = union.HttpStream();
+```
+
+## HttpStream Instance Members
+
+### url
+The url from the request.
+
+Example
+
+```js
+httpStream.url = '';
+```
+
+### headers
+The HTTP headers associated with the stream.
+
+Example
+
+```js
+httpStream.headers = '';
+```
+
+### method
+The HTTP method ("GET", "POST", etc).
+
+Example
+
+```js
+httpStream.method = 'POST';
+```
+
+### query
+The querystring associated with the stream (if applicable).
+
+Example
+
+```js
+httpStream.query = '';
+```
+
+## ResponseStream Constructor
+This constructor inherits from `union.HttpStream`, and is additionally writeable. Union supplies this constructor as a basic response stream middleware from which to inherit.
+
+Specification
+
+```
+  function ResponseStream()
+```
+
+Example
+
+```js
+var rs = union.ResponseStream();
+```
+
+# Tests
+
+All tests are written with [vows][0] and should be run with [npm][1]:
+
+``` bash
+  $ npm test
+```
+
+# Licence
+
+(The MIT License)
+
+Copyright (c) 2010-2012 Charlie Robbins & the Contributors
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+[0]: http://vowsjs.org
+[1]: http://npmjs.org
diff --git a/web/public/node_modules/union/examples/after/index.js b/web/public/node_modules/union/examples/after/index.js
new file mode 100644
index 000000000..1f407bd5d
--- /dev/null
+++ b/web/public/node_modules/union/examples/after/index.js
@@ -0,0 +1,26 @@
+var fs = require('fs'),
+    path = require('path'),
+    union = require('../../lib');
+
+var server = union.createServer({
+  before: [ function (req,res) {
+    if (req.url === "/foo") {
+      res.text(201, "foo");
+    }
+  } ],
+  after: [
+    function LoggerStream() {
+        var stream   = new union.ResponseStream();
+
+        stream.once("pipe", function (req) {
+          console.log({res: this.res.statusCode, method: this.req.method});
+        });
+
+        return stream;
+    }
+  ]
+});
+
+server.listen(9080);
+console.log('union running on 9080');
+
diff --git a/web/public/node_modules/union/examples/simple/favicon.png b/web/public/node_modules/union/examples/simple/favicon.png
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diff --git a/web/public/node_modules/union/examples/simple/middleware/favicon.js b/web/public/node_modules/union/examples/simple/middleware/favicon.js
new file mode 100644
index 000000000..9707f3732
--- /dev/null
+++ b/web/public/node_modules/union/examples/simple/middleware/favicon.js
@@ -0,0 +1,96 @@
+
+/*!
+ * Connect - favicon
+ * Copyright(c) 2010 Sencha Inc.
+ * Copyright(c) 2011 TJ Holowaychuk
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var crypto = require('crypto')
+  , fs = require('fs');
+
+/**
+ * Favicon cache.
+ */
+
+var icon;
+
+/**
+ * Return md5 hash of the given string and optional encoding,
+ * defaulting to hex.
+ *
+ *     utils.md5('wahoo');
+ *     // => "e493298061761236c96b02ea6aa8a2ad"
+ *
+ * @param {String} str
+ * @param {String} encoding
+ * @return {String}
+ * @api public
+ */
+
+exports.md5 = function (str, encoding) {
+  return crypto
+    .createHash('md5')
+    .update(str)
+    .digest(encoding || 'hex');
+};
+
+/**
+ * By default serves the connect favicon, or the favicon
+ * located by the given `path`.
+ *
+ * Options:
+ *
+ *   - `maxAge`  cache-control max-age directive, defaulting to 1 day
+ *
+ * Examples:
+ *
+ *     connect.createServer(
+ *       connect.favicon()
+ *     );
+ *
+ *     connect.createServer(
+ *       connect.favicon(__dirname + '/public/favicon.ico')
+ *     );
+ *
+ * @param {String} path
+ * @param {Object} options
+ * @return {Function}
+ * @api public
+ */
+
+module.exports = function favicon(path, options) {
+  var options = options || {}
+    , path = path || __dirname + '/../public/favicon.ico'
+    , maxAge = options.maxAge || 86400000;
+
+  return function favicon(req, res, next) {
+    if ('/favicon.ico' == req.url) {
+      if (icon) {
+        res.writeHead(200, icon.headers);
+        res.end(icon.body);
+      } else {
+        fs.readFile(path, function (err, buf) {
+          if (err) return next(err);
+          icon = {
+            headers: {
+                'Content-Type': 'image/x-icon'
+              , 'Content-Length': buf.length
+              , 'ETag': '"' + exports.md5(buf) + '"'
+              , 'Cache-Control': 'public, max-age=' + (maxAge / 1000)
+            },
+            body: buf
+          };
+          res.writeHead(200, icon.headers);
+          res.end(icon.body);
+        });
+      }
+    } else {
+      next();
+    }
+  };
+};
\ No newline at end of file
diff --git a/web/public/node_modules/union/examples/simple/middleware/gzip-decode.js b/web/public/node_modules/union/examples/simple/middleware/gzip-decode.js
new file mode 100644
index 000000000..16735fe73
--- /dev/null
+++ b/web/public/node_modules/union/examples/simple/middleware/gzip-decode.js
@@ -0,0 +1,26 @@
+var spawn = require('child_process').spawn,
+    util = require('util'),
+    RequestStream = require('../../lib').RequestStream;
+
+var GzipDecode = module.exports = function GzipDecoder(options) {
+  RequestStream.call(this, options);
+
+  this.on('pipe', this.decode);
+}
+
+util.inherits(GzipDecode, RequestStream);
+
+GzipDecode.prototype.decode = function (source) {
+  this.decoder = spawn('gunzip');
+  this.decoder.stdout.on('data', this._onGunzipData.bind(this));
+  this.decoder.stdout.on('end', this._onGunzipEnd.bind(this));
+  source.pipe(this.decoder);
+}
+
+GzipDecoderStack.prototype._onGunzipData = function (chunk) {
+  this.emit('data', chunk);
+}
+
+GzipDecoderStack.prototype._onGunzipEnd = function () {
+  this.emit('end');
+}
\ No newline at end of file
diff --git a/web/public/node_modules/union/examples/simple/middleware/gzip-encode.js b/web/public/node_modules/union/examples/simple/middleware/gzip-encode.js
new file mode 100644
index 000000000..647148c7a
--- /dev/null
+++ b/web/public/node_modules/union/examples/simple/middleware/gzip-encode.js
@@ -0,0 +1,40 @@
+var spawn = require('child_process').spawn,
+    util = require('util'),
+    ResponseStream = require('../../lib').ResponseStream;
+    
+/**
+ * Accepts a writable stream, i.e. fs.WriteStream, and returns a StreamStack
+ * whose 'write()' calls are transparently sent to a 'gzip' process before
+ * being written to the target stream.
+ */
+var GzipEncode = module.exports = function GzipEncode(options) {
+  ResponseStream.call(this, options);
+
+  if (compression) {
+    process.assert(compression >= 1 && compression <= 9);
+    this.compression = compression;
+  }
+
+  this.on('pipe', this.encode);
+}
+
+util.inherits(GzipEncode, ResponseStream);
+
+GzipEncode.prototype.encode = function (source) {
+  this.source = source;
+};
+
+GzipEncode.prototype.pipe = function (dest) {
+  if (!this.source) {
+    throw new Error('GzipEncode is only pipeable once it has been piped to');
+  }
+  
+  this.encoder = spawn('gzip', ['-'+this.compression]);
+  this.encoder.stdout.pipe(dest);
+  this.encoder.stdin.pipe(this.source);
+};
+
+inherits(GzipEncoderStack, StreamStack);
+exports.GzipEncoderStack = GzipEncoderStack;
+
+GzipEncoderStack.prototype.compression = 6;
\ No newline at end of file
diff --git a/web/public/node_modules/union/examples/simple/simple.js b/web/public/node_modules/union/examples/simple/simple.js
new file mode 100644
index 000000000..7bb0e1f00
--- /dev/null
+++ b/web/public/node_modules/union/examples/simple/simple.js
@@ -0,0 +1,60 @@
+var fs = require('fs'),
+    path = require('path'),
+    union = require('../../lib'),
+    director = require('director'),
+    favicon = require('./middleware/favicon');
+
+var router = new director.http.Router();
+
+var server = union.createServer({
+  before: [
+    favicon(path.join(__dirname, 'favicon.png')),
+    function (req, res) {
+      var found = router.dispatch(req, res);
+      if (!found) {
+        res.emit('next');
+      }
+    }
+  ]
+});
+
+router.get('/foo', function () {
+  this.res.writeHead(200, { 'Content-Type': 'text/plain' });
+  this.res.end('hello world\n');
+});
+
+router.post('/foo', { stream: true }, function () {
+  var req = this.req,
+      res = this.res,
+      writeStream;
+
+  writeStream = fs.createWriteStream(__dirname + '/' + Date.now() + '-foo.txt');
+  req.pipe(writeStream);
+
+  writeStream.on('close', function () {
+    res.writeHead(200, { 'Content-Type': 'text/plain' });
+    res.end('wrote to a stream!');
+  });
+});
+
+router.get('/redirect', function () {
+  this.res.redirect('http://www.google.com');
+});
+
+router.get('/custom_redirect', function () {
+  this.res.redirect('/foo', 301);
+});
+
+router.get('/async', function () {
+  var self = this;
+  process.nextTick(function () {
+    self.req.on('end', function () {
+      self.res.end();
+    })
+    self.req.buffer = false;
+  });
+});
+
+server.listen(9090);
+console.log('union with director running on 9090');
+
diff --git a/web/public/node_modules/union/examples/simple/spdy.js b/web/public/node_modules/union/examples/simple/spdy.js
new file mode 100644
index 000000000..83c8f14cc
--- /dev/null
+++ b/web/public/node_modules/union/examples/simple/spdy.js
@@ -0,0 +1,30 @@
+// In order to run this example you need to
+// generate local ssl certificate
+var union = require('../../lib'),
+    director = require('director');
+
+var router = new director.http.Router();
+
+var server = union.createServer({
+  before: [
+    function (req, res) {
+      var found = router.dispatch(req, res);
+      if (!found) {
+        res.emit('next');
+      }
+    }
+  ],
+  spdy :{
+    key: './certs/privatekey.pem',
+    cert: './certs/certificate.pem'
+  }
+});
+
+router.get(/foo/, function () {
+  this.res.writeHead(200, { 'Content-Type': 'text/plain' })
+  this.res.end('hello world\n');
+});
+
+server.listen(9090, function () {
+  console.log('union with director running on 9090 with SPDY');
+});
\ No newline at end of file
diff --git a/web/public/node_modules/union/examples/socketio/README b/web/public/node_modules/union/examples/socketio/README
new file mode 100644
index 000000000..9788811ce
--- /dev/null
+++ b/web/public/node_modules/union/examples/socketio/README
@@ -0,0 +1,13 @@
+This folder contains an example of how to use Union with Socket.io.
+
+First, you'll want to install both Union and Socket.io. Run this
+command in the folder you placed these two files:
+
+npm install union socket.io
+
+You can run the server like so:
+
+node server.js
+
+Now open up your web browser to http://localhost and see the results
+in the console!
diff --git a/web/public/node_modules/union/examples/socketio/index.html b/web/public/node_modules/union/examples/socketio/index.html
new file mode 100644
index 000000000..fd8dc8c3f
--- /dev/null
+++ b/web/public/node_modules/union/examples/socketio/index.html
@@ -0,0 +1,8 @@
+<script src="/https/github.com/socket.io/socket.io.js"></script>
+<script>
+  var socket = io.connect('http://localhost');
+  socket.on('news', function (data) {
+    console.log(data);
+    socket.emit('my other event', { my: 'data' });
+  });
+</script>
\ No newline at end of file
diff --git a/web/public/node_modules/union/examples/socketio/server.js b/web/public/node_modules/union/examples/socketio/server.js
new file mode 100644
index 000000000..1b7c58097
--- /dev/null
+++ b/web/public/node_modules/union/examples/socketio/server.js
@@ -0,0 +1,30 @@
+var fs = require('fs'),
+    union = require('union');
+
+var server = union.createServer({
+  before: [
+    function (req, res) {
+      fs.readFile(__dirname + '/index.html',
+	  function (err, data) {
+		if (err) {
+		  res.writeHead(500);
+		  return res.end('Error loading index.html');
+		}
+
+		res.writeHead(200);
+		res.end(data);
+	  });
+    }
+  ]
+});
+
+server.listen(9090);
+
+var io = require('socket.io').listen(server);
+
+io.sockets.on('connection', function (socket) {
+  socket.emit('news', {hello: 'world'});
+  socket.on('my other event', function (data) {
+    console.log(data);
+  });
+});
\ No newline at end of file
diff --git a/web/public/node_modules/union/lib/buffered-stream.js b/web/public/node_modules/union/lib/buffered-stream.js
new file mode 100644
index 000000000..d53117bf4
--- /dev/null
+++ b/web/public/node_modules/union/lib/buffered-stream.js
@@ -0,0 +1,141 @@
+/*
+ * buffered-stream.js: A simple(r) Stream which is partially buffered into memory.
+ *
+ * (C) 2010, Mikeal Rogers
+ *
+ * Adapted for Flatiron
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var events = require('events'),
+    fs = require('fs'),
+    stream = require('stream'),
+    util = require('util');
+
+//
+// ### function BufferedStream (limit)
+// #### @limit {number} **Optional** Size of the buffer to limit
+// Constructor function for the BufferedStream object responsible for
+// maintaining a stream interface which can also persist to memory
+// temporarily.
+//
+
+var BufferedStream = module.exports = function (limit) {
+  events.EventEmitter.call(this);
+
+  if (typeof limit === 'undefined') {
+    limit = Infinity;
+  }
+
+  this.limit = limit;
+  this.size = 0;
+  this.chunks = [];
+  this.writable = true;
+  this.readable = true;
+  this._buffer = true;
+};
+
+util.inherits(BufferedStream, stream.Stream);
+
+Object.defineProperty(BufferedStream.prototype, 'buffer', {
+  get: function () {
+    return this._buffer;
+  },
+  set: function (value) {
+    if (!value && this.chunks) {
+      var self = this;
+      this.chunks.forEach(function (c) { self.emit('data', c) });
+      if (this.ended) this.emit('end');
+      this.size = 0;
+      delete this.chunks;
+    }
+
+    this._buffer = value;
+  }
+});
+
+BufferedStream.prototype.pipe = function () {
+  var self = this,
+      dest;
+
+  if (self.resume) {
+    self.resume();
+  }
+
+  dest = stream.Stream.prototype.pipe.apply(self, arguments);
+
+  //
+  // just incase you are piping to two streams, do not emit data twice.
+  // note: you can pipe twice, but you need to pipe both streams in the same tick.
+  // (this is normal for streams)
+  //
+  if (this.piped) {
+    return dest;
+  }
+
+  process.nextTick(function () {
+    if (self.chunks) {
+      self.chunks.forEach(function (c) { self.emit('data', c) });
+      self.size = 0;
+      delete self.chunks;
+    }
+
+    if (!self.readable) {
+      if (self.ended) {
+        self.emit('end');
+      }
+      else if (self.closed) {
+        self.emit('close');
+      }
+    }
+  });
+
+  this.piped = true;
+
+  return dest;
+};
+
+BufferedStream.prototype.write = function (chunk) {
+  if (!this.chunks || this.piped) {
+    this.emit('data', chunk);
+    return;
+  }
+
+  this.chunks.push(chunk);
+  this.size += chunk.length;
+  if (this.limit < this.size) {
+    this.pause();
+  }
+};
+
+BufferedStream.prototype.end = function () {
+  this.readable = false;
+  this.ended = true;
+  this.emit('end');
+};
+
+BufferedStream.prototype.destroy = function () {
+  this.readable = false;
+  this.writable = false;
+  delete this.chunks;
+};
+
+BufferedStream.prototype.close = function () {
+  this.readable = false;
+  this.closed = true;
+};
+
+if (!stream.Stream.prototype.pause) {
+  BufferedStream.prototype.pause = function () {
+    this.emit('pause');
+  };
+}
+
+if (!stream.Stream.prototype.resume) {
+  BufferedStream.prototype.resume = function () {
+    this.emit('resume');
+  };
+}
+
diff --git a/web/public/node_modules/union/lib/core.js b/web/public/node_modules/union/lib/core.js
new file mode 100644
index 000000000..8aed9c193
--- /dev/null
+++ b/web/public/node_modules/union/lib/core.js
@@ -0,0 +1,108 @@
+/*
+ * core.js: Core functionality for the Flatiron HTTP (with SPDY support) plugin.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var http = require('http'),
+    https = require('https'),
+    fs = require('fs'),
+    stream = require('stream'),
+    HttpStream = require('./http-stream'),
+    RoutingStream = require('./routing-stream');
+
+var core = exports;
+
+core.createServer = function (options) {
+  var isArray = Array.isArray(options.after),
+      credentials;
+
+  if (!options) {
+    throw new Error('options is required to create a server');
+  }
+
+  function requestHandler(req, res) {
+    var routingStream = new RoutingStream({
+      before: options.before,
+      buffer: options.buffer,
+      //
+      // Remark: without new after is a huge memory leak that
+      // pipes to every single open connection
+      //
+      after: isArray && options.after.map(function (After) {
+        return new After;
+      }),
+      request: req,
+      response: res,
+      limit: options.limit,
+      headers: options.headers
+    });
+
+    routingStream.on('error', function (err) {
+      var fn = options.onError || core.errorHandler;
+      fn(err, routingStream, routingStream.target, function () {
+        routingStream.target.emit('next');
+      });
+    });
+
+    req.pipe(routingStream);
+  }
+
+  //
+  // both https and spdy requires same params
+  //
+  if (options.https || options.spdy) {
+    if (options.https && options.spdy) {
+      throw new Error('You shouldn\'t be using https and spdy simultaneously.');
+    }
+
+    var serverOptions,
+        credentials,
+        key = !options.spdy
+          ? 'https'
+          : 'spdy';
+
+    serverOptions = options[key];
+    if (!serverOptions.key || !serverOptions.cert) {
+      throw new Error('Both options.' + key + '.`key` and options.' + key + '.`cert` are required.');
+    }
+
+    credentials = {
+      key:  fs.readFileSync(serverOptions.key),
+      cert: fs.readFileSync(serverOptions.cert)
+    };
+
+    if (serverOptions.ca) {
+      serverOptions.ca = !Array.isArray(serverOptions.ca)
+        ? [serverOptions.ca]
+        : serverOptions.ca
+
+      credentials.ca = serverOptions.ca.map(function (ca) {
+        return fs.readFileSync(ca);
+      });
+    }
+
+    if (options.spdy) {
+      // spdy is optional so we require module here rather than on top
+      var spdy = require('spdy');
+      return spdy.createServer(credentials, requestHandler);
+    }
+
+    return https.createServer(credentials, requestHandler);
+  }
+
+  return http.createServer(requestHandler);
+};
+
+core.errorHandler = function error(err, req, res) {
+  if (err) {
+    (this.res || res).writeHead(err.status || 500, err.headers || { "Content-Type": "text/plain" });
+    (this.res || res).end(err.message + "\n");
+    return;
+  }
+
+  (this.res || res).writeHead(404, {"Content-Type": "text/plain"});
+  (this.res || res).end("Not Found\n");
+};
diff --git a/web/public/node_modules/union/lib/http-stream.js b/web/public/node_modules/union/lib/http-stream.js
new file mode 100644
index 000000000..021884f0d
--- /dev/null
+++ b/web/public/node_modules/union/lib/http-stream.js
@@ -0,0 +1,52 @@
+/*
+ * http-stream.js: Idomatic buffered stream which pipes additional HTTP information.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var url = require('url'),
+    util = require('util'),
+    qs = require('qs'),
+    BufferedStream = require('./buffered-stream');
+
+var HttpStream = module.exports = function (options) {
+  options = options || {};
+  BufferedStream.call(this, options.limit);
+
+  if (options.buffer === false) {
+    this.buffer = false;
+  }
+
+  this.on('pipe', this.pipeState);
+};
+
+util.inherits(HttpStream, BufferedStream);
+
+//
+// ### function pipeState (source)
+// #### @source {ServerRequest|HttpStream} Source stream piping to this instance
+// Pipes additional HTTP metadata from the `source` HTTP stream (either concrete or
+// abstract) to this instance. e.g. url, headers, query, etc.
+//
+// Remark: Is there anything else we wish to pipe?
+//
+HttpStream.prototype.pipeState = function (source) {
+  this.headers = source.headers;
+  this.trailers = source.trailers;
+  this.method = source.method;
+
+  if (source.url) {
+    this.url = this.originalUrl = source.url;
+  }
+
+  if (source.query) {
+    this.query = source.query;
+  }
+  else if (source.url) {
+    this.query = ~source.url.indexOf('?')
+      ? qs.parse(url.parse(source.url).query)
+      : {};
+  }
+};
diff --git a/web/public/node_modules/union/lib/index.js b/web/public/node_modules/union/lib/index.js
new file mode 100644
index 000000000..34c5f0b83
--- /dev/null
+++ b/web/public/node_modules/union/lib/index.js
@@ -0,0 +1,24 @@
+/*
+ * index.js: Top-level plugin exposing HTTP features in flatiron
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var union = exports;
+
+//
+// Expose version information
+//
+exports.version = require('../package.json').version;
+
+//
+// Expose core union components
+//
+union.BufferedStream = require('./buffered-stream');
+union.HttpStream     = require('./http-stream');
+union.ResponseStream = require('./response-stream');
+union.RoutingStream  = require('./routing-stream');
+union.createServer   = require('./core').createServer;
+union.errorHandler   = require('./core').errorHandler;
diff --git a/web/public/node_modules/union/lib/request-stream.js b/web/public/node_modules/union/lib/request-stream.js
new file mode 100644
index 000000000..6cb7150c5
--- /dev/null
+++ b/web/public/node_modules/union/lib/request-stream.js
@@ -0,0 +1,58 @@
+/*
+ * http-stream.js: Idomatic buffered stream which pipes additional HTTP information.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var url = require('url'),
+    util = require('util'),
+    qs = require('qs'),
+    HttpStream = require('./http-stream');
+
+var RequestStream = module.exports = function (options) {
+  options = options || {};
+  HttpStream.call(this, options);
+
+  this.on('pipe', this.pipeRequest);
+  this.request = options.request;
+};
+
+util.inherits(RequestStream, HttpStream);
+
+//
+// ### function pipeRequest (source)
+// #### @source {ServerRequest|HttpStream} Source stream piping to this instance
+// Pipes additional HTTP request metadata from the `source` HTTP stream (either concrete or
+// abstract) to this instance. e.g. url, headers, query, etc.
+//
+// Remark: Is there anything else we wish to pipe?
+//
+RequestStream.prototype.pipeRequest = function (source) {
+  this.url = this.originalUrl = source.url;
+  this.method = source.method;
+  this.httpVersion = source.httpVersion;
+  this.httpVersionMajor = source.httpVersionMajor;
+  this.httpVersionMinor = source.httpVersionMinor;
+  this.setEncoding = source.setEncoding;
+  this.connection = source.connection;
+  this.socket = source.socket;
+
+  if (source.query) {
+    this.query = source.query;
+  }
+  else {
+    this.query = ~source.url.indexOf('?')
+      ? qs.parse(url.parse(source.url).query)
+      : {};
+  }
+};
+
+// http.serverRequest methods
+['setEncoding'].forEach(function (method) {
+  RequestStream.prototype[method] = function () {
+    return this.request[method].apply(this.request, arguments);
+  };
+});
+
diff --git a/web/public/node_modules/union/lib/response-stream.js b/web/public/node_modules/union/lib/response-stream.js
new file mode 100644
index 000000000..e11b2d3cd
--- /dev/null
+++ b/web/public/node_modules/union/lib/response-stream.js
@@ -0,0 +1,203 @@
+/*
+ * response-stream.js: A Stream focused on writing any relevant information to
+ * a raw http.ServerResponse object.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var util = require('util'),
+    HttpStream = require('./http-stream');
+
+var STATUS_CODES = require('http').STATUS_CODES;
+
+//
+// ### function ResponseStream (options)
+//
+//
+var ResponseStream = module.exports = function (options) {
+  var self = this,
+      key;
+
+  options = options || {};
+  HttpStream.call(this, options);
+
+  this.writeable = true;
+  this.response = options.response;
+
+  if (options.headers) {
+    for (key in options.headers) {
+      this.response.setHeader(key, options.headers[key]);
+    }
+  }
+
+  //
+  // Proxy `statusCode` changes to the actual `response.statusCode`.
+  //
+  Object.defineProperty(this, 'statusCode', {
+    get: function () {
+      return self.response.statusCode;
+    },
+    set: function (value) {
+      self.response.statusCode = value;
+    },
+    enumerable: true,
+    configurable: true
+  });
+
+  if (this.response) {
+    this._headers = this.response._headers = this.response._headers || {};
+
+    // Patch to node core
+    this.response._headerNames = this.response._headerNames || {};
+
+    //
+    // Proxy to emit "header" event
+    //
+    this._renderHeaders = this.response._renderHeaders;
+    this.response._renderHeaders = function () {
+      if (!self._emittedHeader) {
+        self._emittedHeader = true;
+        self.headerSent = true;
+        self._header = true;
+        self.emit('header');
+      }
+
+      return self._renderHeaders.call(self.response);
+    };
+  }
+};
+
+util.inherits(ResponseStream, HttpStream);
+
+ResponseStream.prototype.writeHead = function (statusCode, statusMessage, headers) {
+  if (typeof statusMessage === 'string') {
+    this.response.statusMessage = statusMessage;
+  } else {
+    this.response.statusMessage = this.response.statusMessage
+      || STATUS_CODES[statusCode] || 'unknown';
+    headers = statusMessage;
+  }
+
+  this.response.statusCode = statusCode;
+
+  if (headers) {
+    var keys = Object.keys(headers);
+    for (var i = 0; i < keys.length; i++) {
+      var k = keys[i];
+      if (k) this.response.setHeader(k, headers[k]);
+    }
+  }
+};
+
+//
+// Create pass-thru for the necessary
+// `http.ServerResponse` methods.
+//
+['setHeader', 'getHeader', 'removeHeader', '_implicitHeader', 'addTrailers'].forEach(function (method) {
+  ResponseStream.prototype[method] = function () {
+    return this.response[method].apply(this.response, arguments);
+  };
+});
+
+ResponseStream.prototype.json = function (obj) {
+  if (!this.response.writable) {
+    return;
+  }
+
+  if (typeof obj === 'number') {
+    this.response.statusCode = obj;
+    obj = arguments[1];
+  }
+
+  this.modified = true;
+
+  if (!this.response._header && this.response.getHeader('content-type') !== 'application/json') {
+    this.response.setHeader('content-type', 'application/json');
+  }
+
+  this.end(obj ? JSON.stringify(obj) : '');
+};
+
+ResponseStream.prototype.html = function (str) {
+  if (!this.response.writable) {
+    return;
+  }
+
+  if (typeof str === 'number') {
+    this.response.statusCode = str;
+    str = arguments[1];
+  }
+
+  this.modified = true;
+
+  if (!this.response._header && this.response.getHeader('content-type') !== 'text/html') {
+    this.response.setHeader('content-type', 'text/html');
+  }
+
+  this.end(str ? str: '');
+};
+
+ResponseStream.prototype.text = function (str) {
+  if (!this.response.writable) {
+    return;
+  }
+
+  if (typeof str === 'number') {
+    this.response.statusCode = str;
+    str = arguments[1];
+  }
+
+  this.modified = true;
+
+  if (!this.response._header && this.response.getHeader('content-type') !== 'text/plain') {
+    this.response.setHeader('content-type', 'text/plain');
+  }
+
+  this.end(str ? str: '');
+};
+
+ResponseStream.prototype.end = function (data) {
+  if (data && this.writable) {
+    this.emit('data', data);
+  }
+
+  this.modified = true;
+  this.emit('end');
+};
+
+ResponseStream.prototype.pipe = function () {
+  var self = this, 
+      dest;
+
+  self.dest = dest = HttpStream.prototype.pipe.apply(self, arguments);
+  
+  dest.on('drain', function() {
+    self.emit('drain')
+  })
+  return dest;
+};
+
+ResponseStream.prototype.write = function (data) {
+  this.modified = true;
+
+  if (this.writable) {
+    return this.dest.write(data);
+  }
+};
+
+ResponseStream.prototype.redirect = function (path, status) {
+  var url = '';
+
+  if (~path.indexOf('://')) {
+    url = path;
+  } else {
+    url += this.req.connection.encrypted ? 'https://' : 'http://';
+    url += this.req.headers.host;
+    url += (path[0] === '/') ? path : '/' + path;
+  }
+
+  this.res.writeHead(status || 302, { 'Location': url });
+  this.end();
+};
diff --git a/web/public/node_modules/union/lib/routing-stream.js b/web/public/node_modules/union/lib/routing-stream.js
new file mode 100644
index 000000000..2597c4775
--- /dev/null
+++ b/web/public/node_modules/union/lib/routing-stream.js
@@ -0,0 +1,126 @@
+/*
+ * routing-stream.js: A Stream focused on connecting an arbitrary RequestStream and
+ * ResponseStream through a given Router.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var util = require('util'),
+    union = require('./index'),
+    RequestStream = require('./request-stream'),
+    ResponseStream = require('./response-stream');
+
+//
+// ### function RoutingStream (options)
+//
+//
+var RoutingStream = module.exports = function (options) {
+  options = options || {};
+  RequestStream.call(this, options);
+
+  this.before = options.before || [];
+  this.after = options.after || [];
+  this.response = options.response || options.res;
+  this.headers = options.headers || {
+    'x-powered-by': 'union ' + union.version
+  };
+
+  this.target = new ResponseStream({
+    response: this.response,
+    headers: this.headers
+  });
+
+  this.once('pipe', this.route);
+};
+
+util.inherits(RoutingStream, RequestStream);
+
+//
+// Called when this instance is piped to **by another stream**
+//
+RoutingStream.prototype.route = function (req) {
+  //
+  // When a `RoutingStream` is piped to:
+  //
+  // 1. Setup the pipe-chain between the `after` middleware, the abstract response
+  //    and the concrete response.
+  // 2. Attempt to dispatch to the `before` middleware, which represent things such as
+  //    favicon, static files, application routing.
+  // 3. If no match is found then pipe to the 404Stream
+  //
+  var self = this,
+      after,
+      error,
+      i;
+
+  //
+  // Don't allow `this.target` to be writable on HEAD requests
+  //
+  this.target.writable = req.method !== 'HEAD';
+
+  //
+  // 1. Setup the pipe-chain between the `after` middleware, the abstract response
+  //    and the concrete response.
+  //
+  after = [this.target].concat(this.after, this.response);
+  for (i = 0; i < after.length - 1; i++) {
+    //
+    // attach req and res to all streams
+    //
+    after[i].req     = req;
+    after[i + 1].req = req;
+    after[i].res     = this.response;
+    after[i + 1].res = this.response;
+    after[i].pipe(after[i + 1]);
+
+    //
+    // prevent multiple responses and memory leaks
+    //
+    after[i].on('error', this.onError);
+  }
+
+  //
+  // Helper function for dispatching to the 404 stream.
+  //
+  function notFound() {
+    error = new Error('Not found');
+    error.status = 404;
+    self.onError(error);
+  }
+
+  //
+  // 2. Attempt to dispatch to the `before` middleware, which represent things such as
+  //    favicon, static files, application routing.
+  //
+  (function dispatch(i) {
+    if (self.target.modified) {
+      return;
+    }
+    else if (++i === self.before.length) {
+      //
+      // 3. If no match is found then pipe to the 404Stream
+      //
+      return notFound();
+    }
+
+    self.target.once('next', dispatch.bind(null, i));
+    if (self.before[i].length === 3) {
+      self.before[i](self, self.target, function (err) {
+        if (err) {
+          self.onError(err);
+        } else {
+          self.target.emit('next');
+        }
+      });
+    }
+    else {
+      self.before[i](self, self.target);
+    }
+  })(-1);
+};
+
+RoutingStream.prototype.onError = function (err) {
+  this.emit('error', err);
+};
diff --git a/web/public/node_modules/union/package.json b/web/public/node_modules/union/package.json
new file mode 100644
index 000000000..bb586ba0c
--- /dev/null
+++ b/web/public/node_modules/union/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "union",
+  "description": "A hybrid buffered / streaming middleware kernel backwards compatible with connect.",
+  "version": "0.5.0",
+  "author": "Charlie Robbins <charlie.robbins@gmail.com>",
+  "maintainers": [
+    "dscape <nuno@nodejitsu.com>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/flatiron/union.git"
+  },
+  "dependencies": {
+    "qs": "^6.4.0"
+  },
+  "devDependencies": {
+    "ecstatic": "0.5.x",
+    "director": "1.x.x",
+    "request": "2.29.x",
+    "vows": "0.8.0",
+    "connect": "2.22.x"
+  },
+  "scripts": {
+    "test": "vows test/*-test.js --spec -i"
+  },
+  "main": "./lib",
+  "engines": {
+    "node": ">= 0.8.0"
+  }
+}
diff --git a/web/public/node_modules/union/test/after-test.js b/web/public/node_modules/union/test/after-test.js
new file mode 100644
index 000000000..79c8f766f
--- /dev/null
+++ b/web/public/node_modules/union/test/after-test.js
@@ -0,0 +1,37 @@
+var assert = require('assert'),
+    vows = require('vows'),
+    request = require('request'),
+    union = require('../');
+
+function stream_callback(cb) {
+  return function () {
+    var stream   = new union.ResponseStream();
+
+    stream.once("pipe", function (req) {
+      return cb ? cb(null,req) : undefined;
+    });
+
+    return stream;
+  };
+}
+
+vows.describe('union/after').addBatch({
+  'When using `union`': {
+    'a union server with after middleware': {
+      topic: function () {
+        var self = this;
+
+        union.createServer({
+          after: [ stream_callback(), stream_callback(self.callback) ]
+        }).listen(9000, function () {
+          request.get('http://localhost:9000');
+        });
+      },
+      'should preserve the request until the last call': function (req) {
+        assert.equal(req.req.httpVersion, '1.1');
+        assert.equal(req.req.url, '/');
+        assert.equal(req.req.method, 'GET');
+      }
+    }
+  }
+}).export(module);
\ No newline at end of file
diff --git a/web/public/node_modules/union/test/body-parser-test.js b/web/public/node_modules/union/test/body-parser-test.js
new file mode 100644
index 000000000..b0c605cfc
--- /dev/null
+++ b/web/public/node_modules/union/test/body-parser-test.js
@@ -0,0 +1,50 @@
+/*
+ * simple-test.js: Simple tests for basic streaming and non-streaming HTTP requests with union.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var assert = require('assert'),
+    connect = require('connect'),
+    request = require('request'),
+    vows = require('vows'),
+    union = require('../');
+
+vows.describe('union/body-parser').addBatch({
+  "When using union with connect body parsing via urlencoded() or json()": {
+    topic: function () {
+      union.createServer({
+        buffer: false,
+        before: [
+          connect.urlencoded(),
+          connect.json(),
+          function (req, res) {
+            res.end(JSON.stringify(req.body, true, 2));
+          }
+        ]
+      }).listen(8082, this.callback);
+    },
+    "a request to /": {
+      topic: function () {
+        request.post({
+          uri: 'http://localhost:8082/',
+          headers: {
+            'content-type': 'application/json'
+          },
+          body: JSON.stringify({ a: "foo", b: "bar" })
+        }, this.callback);
+      },
+      "should respond with a body-decoded object": function (err, res, body) {
+        assert.isNull(err);
+        assert.equal(res.statusCode, 200);
+        assert.deepEqual(
+          JSON.parse(body),
+          { a: 'foo', b: 'bar' }
+        );
+      }
+    }
+  }
+}).export(module);
+
diff --git a/web/public/node_modules/union/test/double-write-test.js b/web/public/node_modules/union/test/double-write-test.js
new file mode 100644
index 000000000..555c73785
--- /dev/null
+++ b/web/public/node_modules/union/test/double-write-test.js
@@ -0,0 +1,62 @@
+/*
+ * simple-test.js: Simple tests for basic streaming and non-streaming HTTP requests with union.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var assert = require('assert'),
+    fs = require('fs'),
+    path = require('path'),
+    request = require('request'),
+    vows = require('vows'),
+    union = require('../lib/index'),
+    macros = require('./helpers/macros');
+
+var doubleWrite = false,
+    server;
+
+server = union.createServer({
+  before: [
+    function (req, res) {
+      res.json(200, { 'hello': 'world' });
+      res.emit('next');
+    },
+    function (req, res) {
+      doubleWrite = true;
+      res.json(200, { 'hello': 'world' });
+      res.emit('next');
+    }
+  ]
+});
+
+
+vows.describe('union/double-write').addBatch({
+  "When using union": {
+    "an http server which attempts to write to the response twice": {
+      topic: function () {
+        server.listen(9091, this.callback);
+      },
+      "a GET request to `/foo`": {
+        topic: function () {
+          request({ uri: 'http://localhost:9091/foo' }, this.callback);
+        },
+        "it should respond with `{ 'hello': 'world' }`": function (err, res, body) {
+          macros.assertValidResponse(err, res);
+          assert.deepEqual(JSON.parse(body), { 'hello': 'world' });
+        },
+        "it should not write to the response twice": function () {
+          assert.isFalse(doubleWrite);
+        }
+      }
+    }
+  }
+}).addBatch({
+  "When the tests are over": {
+    "the server should close": function () {
+      server.close();
+    }
+  }
+}).export(module);
+
diff --git a/web/public/node_modules/union/test/ecstatic-test.js b/web/public/node_modules/union/test/ecstatic-test.js
new file mode 100644
index 000000000..2c3e2d8e8
--- /dev/null
+++ b/web/public/node_modules/union/test/ecstatic-test.js
@@ -0,0 +1,44 @@
+/*
+ * simple-test.js: Simple tests for basic streaming and non-streaming HTTP requests with union.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var assert = require('assert'),
+    ecstatic = require('ecstatic')(__dirname + '/fixtures/static'),
+    request = require('request'),
+    vows = require('vows'),
+    union = require('../');
+
+vows.describe('union/ecstatic').addBatch({
+  "When using union with ecstatic": {
+    topic: function () {
+      union.createServer({
+        before: [
+          ecstatic
+        ]
+      }).listen(18082, this.callback);
+    },
+    "a request to /some-file.txt": {
+      topic: function () {
+        request({ uri: 'http://localhost:18082/some-file.txt' }, this.callback);
+      },
+      "should respond with `hello world`": function (err, res, body) {
+        assert.isNull(err);
+        assert.equal(body, 'hello world\n');
+      }
+    },
+    "a request to /404.txt (which does not exist)": {
+      topic: function () {
+        request({ uri: 'http://localhost:18082/404.txt' }, this.callback);
+      },
+      "should respond with 404 status code": function (err, res, body) {
+        assert.isNull(err);
+        assert.equal(res.statusCode, 404);
+      }
+    }
+  }
+}).export(module);
+
diff --git a/web/public/node_modules/union/test/fixtures/index.js b/web/public/node_modules/union/test/fixtures/index.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/web/public/node_modules/union/test/fixtures/static/some-file.txt b/web/public/node_modules/union/test/fixtures/static/some-file.txt
new file mode 100644
index 000000000..3b18e512d
--- /dev/null
+++ b/web/public/node_modules/union/test/fixtures/static/some-file.txt
@@ -0,0 +1 @@
+hello world
diff --git a/web/public/node_modules/union/test/header-test.js b/web/public/node_modules/union/test/header-test.js
new file mode 100644
index 000000000..70d7ff995
--- /dev/null
+++ b/web/public/node_modules/union/test/header-test.js
@@ -0,0 +1,36 @@
+// var assert = require('assert'),
+//     request = require('request'),
+//     vows = require('vows'),
+//     union = require('../');
+
+// vows.describe('union/header').addBatch({
+//   'When using `union`': {
+//     'with a server that responds with a header': {
+//       topic: function () {
+//         var callback = this.callback;
+//         var server = union.createServer({
+//           before: [
+//             function (req, res) {
+//               res.on('header', function () {
+//                 callback(null, res);
+//               });
+//               res.writeHead(200, { 'content-type': 'text' });
+//               res.end();
+//             }
+//           ]
+//         });
+//         server.listen(9092, function () {
+//           request('http://localhost:9092/');
+//         });
+//       },
+//       'it should have proper `headerSent` set': function (err, res) {
+//         assert.isNull(err);
+//         assert.isTrue(res.headerSent);
+//       },
+//       'it should have proper `_emittedHeader` set': function (err, res) {
+//         assert.isNull(err);
+//         assert.isTrue(res._emittedHeader);
+//       }
+//     }
+//   }
+// }).export(module);
diff --git a/web/public/node_modules/union/test/helpers/index.js b/web/public/node_modules/union/test/helpers/index.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/web/public/node_modules/union/test/helpers/macros.js b/web/public/node_modules/union/test/helpers/macros.js
new file mode 100644
index 000000000..599e1b47c
--- /dev/null
+++ b/web/public/node_modules/union/test/helpers/macros.js
@@ -0,0 +1,17 @@
+/*
+ * macros.js: Simple test macros
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var assert = require('assert');
+
+var macros = exports;
+
+macros.assertValidResponse = function (err, res) {
+  assert.isTrue(!err);
+  assert.equal(res.statusCode, 200);
+};
+
diff --git a/web/public/node_modules/union/test/prop-test.js b/web/public/node_modules/union/test/prop-test.js
new file mode 100644
index 000000000..8e9cd4c0c
--- /dev/null
+++ b/web/public/node_modules/union/test/prop-test.js
@@ -0,0 +1,45 @@
+var assert = require('assert'),
+    request = require('request'),
+    vows = require('vows'),
+    union = require('../');
+
+vows.describe('union/properties').addBatch({
+  'When using `union`': {
+    'with a server that responds to requests': {
+      topic: function () {
+        var callback = this.callback;
+        var server = union.createServer({
+          before: [
+            function (req, res) {
+              callback(null, req, res);
+
+              res.writeHead(200, { 'content-type': 'text' });
+              res.end();
+            }
+          ]
+        });
+        server.listen(9092, function () {
+          request('http://localhost:9092/');
+        });
+      },
+      'the `req` should have a proper `httpVersion` set': function (err, req) {
+        assert.isNull(err);
+        assert.equal(req.httpVersion, '1.1');
+      },
+      'the `req` should have a proper `httpVersionMajor` set': function (err, req) {
+        assert.isNull(err);
+        assert.equal(req.httpVersionMajor, 1);
+      },
+      'the `req` should have a proper `httpVersionMinor` set': function (err, req) {
+        assert.isNull(err);
+        assert.equal(req.httpVersionMinor, 1);
+      },
+      'the `req` should have proper `socket` reference set': function (err, req) {
+        var net = require('net');
+
+        assert.isNull(err);
+        assert.isTrue(req.socket instanceof net.Socket);
+      }
+    }
+  }
+}).export(module);
diff --git a/web/public/node_modules/union/test/simple-test.js b/web/public/node_modules/union/test/simple-test.js
new file mode 100644
index 000000000..70416c996
--- /dev/null
+++ b/web/public/node_modules/union/test/simple-test.js
@@ -0,0 +1,97 @@
+/*
+ * simple-test.js: Simple tests for basic streaming and non-streaming HTTP requests with union.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var assert = require('assert'),
+    fs = require('fs'),
+    path = require('path'),
+    spawn = require('child_process').spawn,
+    request = require('request'),
+    vows = require('vows'),
+    macros = require('./helpers/macros');
+
+var examplesDir = path.join(__dirname, '..', 'examples', 'simple'),
+    simpleScript = path.join(examplesDir, 'simple.js'),
+    pkg = JSON.parse(fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8')),
+    fooURI = 'http://localhost:9090/foo',
+    server;
+
+vows.describe('union/simple').addBatch({
+  "When using union": {
+    "a simple http server": {
+      topic: function () {
+        server = spawn(process.argv[0], [simpleScript]);
+        server.stdout.on('data', this.callback.bind(this, null));
+      },
+      "a GET request to `/foo`": {
+        topic: function () {
+          request({ uri: fooURI }, this.callback);
+        },
+        "it should respond with `hello world`": function (err, res, body) {
+          macros.assertValidResponse(err, res);
+          assert.equal(body, 'hello world\n');
+        },
+        "it should respond with 'x-powered-by': 'union <version>'": function (err, res, body) {
+          assert.isNull(err);
+          assert.equal(res.headers['x-powered-by'], 'union ' + pkg.version);
+        }
+      },
+      "a POST request to `/foo`": {
+        topic: function () {
+          request.post({ uri: fooURI }, this.callback);
+        },
+        "it should respond with `wrote to a stream!`": function (err, res, body) {
+          macros.assertValidResponse(err, res);
+          assert.equal(body, 'wrote to a stream!');
+        }
+      },
+      "a GET request to `/redirect`": {
+        topic: function () {
+          request.get({
+            url: 'http://localhost:9090/redirect',
+            followRedirect: false
+          }, this.callback);
+        },
+        "it should redirect to `http://www.google.com`": function (err, res, body) {
+          assert.equal(res.statusCode, 302);
+          assert.equal(res.headers.location, "http://www.google.com");
+        }
+      },
+      "a GET request to `/custom_redirect`": {
+        topic: function () {
+          request.get({
+            url: 'http://localhost:9090/custom_redirect',
+            followRedirect: false
+          }, this.callback);
+        },
+        "it should redirect to `/foo`": function (err, res, body) {
+          assert.equal(res.statusCode, 301);
+          assert.equal(res.headers.location, "http://localhost:9090/foo");
+        }
+      },
+      "a GET request to `/async`": {
+        topic: function () {
+          request.get({
+            url: 'http://localhost:9090/async',
+            timeout: 500
+          }, this.callback);
+        },
+        "it should not timeout": function (err, res, body) {
+          assert.ifError(err);
+          assert.equal(res.statusCode, 200);
+        }
+      }
+    }
+  }
+}).addBatch({
+  "When the tests are over": {
+    "the server should close": function () {
+      server.kill();
+    }
+  }
+}).export(module);
+
diff --git a/web/public/node_modules/union/test/status-code-test.js b/web/public/node_modules/union/test/status-code-test.js
new file mode 100644
index 000000000..ed49d86e7
--- /dev/null
+++ b/web/public/node_modules/union/test/status-code-test.js
@@ -0,0 +1,31 @@
+var assert = require('assert'),
+    request = require('request'),
+    vows = require('vows'),
+    union = require('../');
+
+vows.describe('union/status-code').addBatch({
+  'When using `union`': {
+    'with a server setting `res.statusCode`': {
+      topic: function () {
+        var server = union.createServer({
+          before: [
+            function (req, res) {
+              res.statusCode = 404;
+              res.end();
+            }
+          ]
+        });
+        server.listen(9091, this.callback);
+      },
+      'and sending a request': {
+        topic: function () {
+          request('http://localhost:9091/', this.callback);
+        },
+        'it should have proper `statusCode` set': function (err, res, body) {
+          assert.isTrue(!err);
+          assert.equal(res.statusCode, 404);
+        }
+      }
+    }
+  }
+}).export(module);
diff --git a/web/public/node_modules/union/test/streaming-test.js b/web/public/node_modules/union/test/streaming-test.js
new file mode 100644
index 000000000..6145ef34b
--- /dev/null
+++ b/web/public/node_modules/union/test/streaming-test.js
@@ -0,0 +1,68 @@
+var assert = require('assert'),
+    fs = require('fs'),
+    path = require('path'),
+    request = require('request'),
+    vows = require('vows'),
+    union = require('../');
+
+vows.describe('union/streaming').addBatch({
+  'When using `union`': {
+    'a simple union server': {
+      topic: function () {
+        var self = this;
+
+        union.createServer({
+          buffer: false,
+          before: [
+            function (req, res, next) {
+              var chunks = '';
+
+              req.on('data', function (chunk) {
+                chunks += chunk;
+              });
+
+              req.on('end', function () {
+                self.callback(null, chunks);
+              });
+            }
+          ]
+        }).listen(9000, function () {
+          request.post('http://localhost:9000').write('hello world');
+        });
+      },
+      'should receive complete POST data': function (chunks) {
+        assert.equal(chunks, 'hello world');
+      }
+    },
+    "a simple pipe to a file": {
+      topic: function () {
+        var self = this;
+
+        union.createServer({
+          before: [
+            function (req, res, next) {
+              var filename = path.join(__dirname, 'fixtures', 'pipe-write-test.txt'),
+                  writeStream = fs.createWriteStream(filename);
+
+              req.pipe(writeStream);
+              writeStream.on('close', function () {
+                res.writeHead(200);
+                fs.createReadStream(filename).pipe(res);
+              });
+            }
+          ]
+        }).listen(9044, function () {
+          request({
+            method: 'POST',
+            uri: 'http://localhost:9044',
+            body: 'hello world'
+          }, self.callback);
+        });
+      },
+      'should receive complete POST data': function (err, res, body) {
+        assert.equal(body, 'hello world');
+      }
+    }
+  }
+}).export(module);
+
diff --git a/web/public/node_modules/union/union.png b/web/public/node_modules/union/union.png
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diff --git a/web/public/node_modules/url-join/.travis.yml b/web/public/node_modules/url-join/.travis.yml
new file mode 100644
index 000000000..7e2eb1fc6
--- /dev/null
+++ b/web/public/node_modules/url-join/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "5"
+  - "4"
+  - "0.12"  
\ No newline at end of file
diff --git a/web/public/node_modules/url-join/CHANGELOG.md b/web/public/node_modules/url-join/CHANGELOG.md
new file mode 100644
index 000000000..83e22e43c
--- /dev/null
+++ b/web/public/node_modules/url-join/CHANGELOG.md
@@ -0,0 +1,88 @@
+## 4.0.0 - 2018-02-02
+
+ - Ignore empty string arguments and throw an exception for non-string. Closes #36, #18 ([da05242f381bfe1ae09d00b708cfdbdb93c1a85d](https://github.com/jfromaniello/url-join/commit/da05242f381bfe1ae09d00b708cfdbdb93c1a85d)), closes [#36](https://github.com/jfromaniello/url-join/issues/36) [#18](https://github.com/jfromaniello/url-join/issues/18)
+
+
+
+## 3.0.0 - 2018-01-12
+
+ - add new test ([d65d7c1696cb53b53ceabadf1a77917196967b4c](https://github.com/jfromaniello/url-join/commit/d65d7c1696cb53b53ceabadf1a77917196967b4c))
+ - Fixed to handle the colon in non-protocol separation role in the first part. ([9212db75f805031a9cc06120b5dd08a6cdd805e4](https://github.com/jfromaniello/url-join/commit/9212db75f805031a9cc06120b5dd08a6cdd805e4))
+
+
+
+## 2.0.5 - 2018-01-10
+
+ - revert to previous behavior #30 ([b6943343af7bd723cbca266388e84e036543577d](https://github.com/jfromaniello/url-join/commit/b6943343af7bd723cbca266388e84e036543577d)), closes [#30](https://github.com/jfromaniello/url-join/issues/30)
+
+
+
+## 2.0.4 - 2018-01-10
+
+ - fix bower.json ([9677895a4afe51d8a1d670980bc6fede71252e9a](https://github.com/jfromaniello/url-join/commit/9677895a4afe51d8a1d670980bc6fede71252e9a))
+
+
+
+## 2.0.3 - 2018-01-09
+
+ - 2.0.3 ([7b7806b21cf81a3476e39ddb8a6f51272a276186](https://github.com/jfromaniello/url-join/commit/7b7806b21cf81a3476e39ddb8a6f51272a276186))
+ - Added a test for simple paths for issue #21 ([be99b10a707b4d22aac015d19eb087fff46d4270](https://github.com/jfromaniello/url-join/commit/be99b10a707b4d22aac015d19eb087fff46d4270)), closes [#21](https://github.com/jfromaniello/url-join/issues/21)
+ - Added some new tests for cases that fail. ([f1afbd62c3149476a9ef099ba523e85fb4839732](https://github.com/jfromaniello/url-join/commit/f1afbd62c3149476a9ef099ba523e85fb4839732))
+ - Passes all the tests with these changes. ([8cde667f400fa83efc7ed5c2437c7cb25c7d7600](https://github.com/jfromaniello/url-join/commit/8cde667f400fa83efc7ed5c2437c7cb25c7d7600))
+ - The protocol slashes should be normalized also when the protocol is not alone in the first argument. ([0ce1239c60f7bbb625d4ccbf1fcf044f37488bd8](https://github.com/jfromaniello/url-join/commit/0ce1239c60f7bbb625d4ccbf1fcf044f37488bd8))
+
+
+
+## 2.0.2 - 2017-05-18
+
+ - fix: remove consecutives slashes ([33639364ef186e257b8424620017b9d1ba225539](https://github.com/jfromaniello/url-join/commit/33639364ef186e257b8424620017b9d1ba225539))
+
+
+
+## 2.0.1 - 2017-04-12
+
+ - update mocha and bower.json ([ebd3665028b2408d405f9a31f8479e91c4ef52c1](https://github.com/jfromaniello/url-join/commit/ebd3665028b2408d405f9a31f8479e91c4ef52c1))
+ - feat: add test ([46d3387141e5d2f751da699e02d57fc36bfe37a8](https://github.com/jfromaniello/url-join/commit/46d3387141e5d2f751da699e02d57fc36bfe37a8))
+ - fix: ignore encoded url when removing consecusive slashes ([711add4e8af8fc97390adef14b9a4722cac5e70a](https://github.com/jfromaniello/url-join/commit/711add4e8af8fc97390adef14b9a4722cac5e70a))
+
+
+
+## 2.0.0 - 2017-04-11
+
+ - Add a LICENSE file ([ffd3b2253470cee648152c55dd51c1bf4e688a60](https://github.com/jfromaniello/url-join/commit/ffd3b2253470cee648152c55dd51c1bf4e688a60))
+ - change copyright year ([9f67671dd8ab23b4d2da6ae775efdf66d594eac3](https://github.com/jfromaniello/url-join/commit/9f67671dd8ab23b4d2da6ae775efdf66d594eac3))
+ - refactor: use local startsWith function ([a1e1214644cd187f2584b79b4241ac3b8c9b9f1b](https://github.com/jfromaniello/url-join/commit/a1e1214644cd187f2584b79b4241ac3b8c9b9f1b))
+ - fix: split logic for files ([d7053a99aa40b0c2f4802819f7e0643be8889ac4](https://github.com/jfromaniello/url-join/commit/d7053a99aa40b0c2f4802819f7e0643be8889ac4))
+ - feat: add file protocol support ([48ebe0d84e8e2eca3a02fe5e3259cdd294e519dc](https://github.com/jfromaniello/url-join/commit/48ebe0d84e8e2eca3a02fe5e3259cdd294e519dc))
+
+
+
+## 1.1.0 - 2016-04-05
+
+ - add .travis.yml ([c75e7507f72fd4be101b64bb44539fd249842cc0](https://github.com/jfromaniello/url-join/commit/c75e7507f72fd4be101b64bb44539fd249842cc0))
+ - added new syntax to allow options, fixed #! urls ([b8e5d8372c55187cdd9c6fa5e02830f76858347e](https://github.com/jfromaniello/url-join/commit/b8e5d8372c55187cdd9c6fa5e02830f76858347e))
+ - added travis, updated version in bower.json ([5a58405d89298e693e8f97a74b14324d83a8a87a](https://github.com/jfromaniello/url-join/commit/5a58405d89298e693e8f97a74b14324d83a8a87a))
+ - fixed query string handling, closes #9, closes #4 ([e190fe28282287204dbe7877979f18b4570042f9](https://github.com/jfromaniello/url-join/commit/e190fe28282287204dbe7877979f18b4570042f9)), closes [#9](https://github.com/jfromaniello/url-join/issues/9) [#4](https://github.com/jfromaniello/url-join/issues/4)
+
+
+
+## 1.0.0 - 2016-03-23
+
+
+
+
+## 0.1.0 - 2016-03-23
+
+ - 0.1.0 ([2db128d268dfd531f1af6c9bd0543458387e94cd](https://github.com/jfromaniello/url-join/commit/2db128d268dfd531f1af6c9bd0543458387e94cd))
+ - add support for AMD and windows['url-join'] ([b02169596877a1e6cd518f1b0d711f38c721fb02](https://github.com/jfromaniello/url-join/commit/b02169596877a1e6cd518f1b0d711f38c721fb02))
+ - added comments, fixed leading // ([3f72b6ea6fa84c4b254d0c656815a5df6b89a10a](https://github.com/jfromaniello/url-join/commit/3f72b6ea6fa84c4b254d0c656815a5df6b89a10a))
+ - added test for leading // ([baac627b2052e1d9b5c05e48c8dc6a05a80e08fa](https://github.com/jfromaniello/url-join/commit/baac627b2052e1d9b5c05e48c8dc6a05a80e08fa))
+ - bower init ([650dcfe72eee854108dd0832963553eae5ede7c5](https://github.com/jfromaniello/url-join/commit/650dcfe72eee854108dd0832963553eae5ede7c5))
+ - initial ([af68a208966de3d4be757c9d0f4a918c6dfa360e](https://github.com/jfromaniello/url-join/commit/af68a208966de3d4be757c9d0f4a918c6dfa360e))
+ - minor ([dde2dc6815f9a0476d7aade1d6848cbc5f3a14a4](https://github.com/jfromaniello/url-join/commit/dde2dc6815f9a0476d7aade1d6848cbc5f3a14a4))
+ - minor ([4d9d8ee16591da2092739a172145f968f71598dc](https://github.com/jfromaniello/url-join/commit/4d9d8ee16591da2092739a172145f968f71598dc))
+ - minor ([9ed0161497ee7d7d1b4b04d1735483a6216fe2c6](https://github.com/jfromaniello/url-join/commit/9ed0161497ee7d7d1b4b04d1735483a6216fe2c6))
+ - simplify normalize function ([d6886a362828eacc028c6167b9ae0efd8b2fbfc8](https://github.com/jfromaniello/url-join/commit/d6886a362828eacc028c6167b9ae0efd8b2fbfc8))
+
+
+
diff --git a/web/public/node_modules/url-join/LICENSE b/web/public/node_modules/url-join/LICENSE
new file mode 100644
index 000000000..4c2ef041b
--- /dev/null
+++ b/web/public/node_modules/url-join/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2015 José F. Romaniello
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/public/node_modules/url-join/README.md b/web/public/node_modules/url-join/README.md
new file mode 100644
index 000000000..13012c8d3
--- /dev/null
+++ b/web/public/node_modules/url-join/README.md
@@ -0,0 +1,47 @@
+Join all arguments together and normalize the resulting url.
+
+## Install
+
+~~~
+npm install url-join
+~~~
+
+## Usage
+
+~~~javascript
+var urljoin = require('url-join');
+
+var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123');
+
+console.log(fullUrl);
+
+~~~
+
+Prints:
+
+~~~
+'http://www.google.com/a/b/cd?foo=123'
+~~~
+
+## Browser and AMD
+
+It also works in the browser, you can either include ```lib/url-join.js``` in your page:
+
+~~~html
+<script src="url-join.js"></script>
+<script type="text/javascript">
+	urljoin('http://blabla.com', 'foo?a=1')
+</script>
+~~~
+
+Or using an AMD module system like requirejs:
+
+~~~javascript
+define(['path/url-join.js'], function (urljoin) {
+  urljoin('http://blabla.com', 'foo?a=1');
+});
+~~~
+
+## License
+
+MIT
diff --git a/web/public/node_modules/url-join/bin/changelog b/web/public/node_modules/url-join/bin/changelog
new file mode 100644
index 000000000..32bd74160
--- /dev/null
+++ b/web/public/node_modules/url-join/bin/changelog
@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+var changelog = require('conventional-changelog');
+var semver_regex = /\bv?(?:0|[1-9][0-9]*)\.(?:0|[1-9][0-9]*)\.(?:0|[1-9][0-9]*)(?:-[\da-z\-]+(?:\.[\da-z\-]+)*)?(?:\+[\da-z\-]+(?:\.[\da-z\-]+)*)?\b/ig;
+
+const commitPartial = ` - {{header}}
+
+{{~!-- commit hash --}} {{#if @root.linkReferences}}([{{hash}}]({{#if @root.host}}{{@root.host}}/{{/if}}{{#if @root.owner}}{{@root.owner}}/{{/if}}{{@root.repository}}/{{@root.commit}}/{{hash}})){{else}}{{hash~}}{{/if}}
+
+{{~!-- commit references --}}{{#if references}}, closes{{~#each references}} {{#if @root.linkReferences}}[{{#if this.owner}}{{this.owner}}/{{/if}}{{this.repository}}#{{this.issue}}]({{#if @root.host}}{{@root.host}}/{{/if}}{{#if this.repository}}{{#if this.owner}}{{this.owner}}/{{/if}}{{this.repository}}{{else}}{{#if @root.owner}}{{@root.owner}}/{{/if}}{{@root.repository}}{{/if}}/{{@root.issue}}/{{this.issue}}){{else}}{{#if this.owner}}{{this.owner}}/{{/if}}{{this.repository}}#{{this.issue}}{{/if}}{{/each}}{{/if}}
+`;
+
+const headerPartial = `## {{version}}{{#if title}} "{{title}}"{{/if}}{{#if date}} - {{date}}{{/if}}
+`;
+
+changelog({
+  releaseCount: 19,
+  // preset: 'jshint'
+}, null, null, null, {
+  transform: function (commit) {
+    if (commit.header && semver_regex.exec(commit.header)) {
+      return null;
+    }
+    return commit;
+  },
+  commitPartial: commitPartial,
+  headerPartial: headerPartial
+}).pipe(process.stdout);
diff --git a/web/public/node_modules/url-join/lib/url-join.js b/web/public/node_modules/url-join/lib/url-join.js
new file mode 100644
index 000000000..e23bb1670
--- /dev/null
+++ b/web/public/node_modules/url-join/lib/url-join.js
@@ -0,0 +1,78 @@
+(function (name, context, definition) {
+  if (typeof module !== 'undefined' && module.exports) module.exports = definition();
+  else if (typeof define === 'function' && define.amd) define(definition);
+  else context[name] = definition();
+})('urljoin', this, function () {
+
+  function normalize (strArray) {
+    var resultArray = [];
+    if (strArray.length === 0) { return ''; }
+
+    if (typeof strArray[0] !== 'string') {
+      throw new TypeError('Url must be a string. Received ' + strArray[0]);
+    }
+
+    // If the first part is a plain protocol, we combine it with the next part.
+    if (strArray[0].match(/^[^/:]+:\/*$/) && strArray.length > 1) {
+      var first = strArray.shift();
+      strArray[0] = first + strArray[0];
+    }
+
+    // There must be two or three slashes in the file protocol, two slashes in anything else.
+    if (strArray[0].match(/^file:\/\/\//)) {
+      strArray[0] = strArray[0].replace(/^([^/:]+):\/*/, '$1:///');
+    } else {
+      strArray[0] = strArray[0].replace(/^([^/:]+):\/*/, '$1://');
+    }
+
+    for (var i = 0; i < strArray.length; i++) {
+      var component = strArray[i];
+
+      if (typeof component !== 'string') {
+        throw new TypeError('Url must be a string. Received ' + component);
+      }
+
+      if (component === '') { continue; }
+
+      if (i > 0) {
+        // Removing the starting slashes for each component but the first.
+        component = component.replace(/^[\/]+/, '');
+      }
+      if (i < strArray.length - 1) {
+        // Removing the ending slashes for each component but the last.
+        component = component.replace(/[\/]+$/, '');
+      } else {
+        // For the last component we will combine multiple slashes to a single one.
+        component = component.replace(/[\/]+$/, '/');
+      }
+
+      resultArray.push(component);
+
+    }
+
+    var str = resultArray.join('/');
+    // Each input component is now separated by a single slash except the possible first plain protocol part.
+
+    // remove trailing slash before parameters or hash
+    str = str.replace(/\/(\?|&|#[^!])/g, '$1');
+
+    // replace ? in parameters with &
+    var parts = str.split('?');
+    str = parts.shift() + (parts.length > 0 ? '?': '') + parts.join('&');
+
+    return str;
+  }
+
+  return function () {
+    var input;
+
+    if (typeof arguments[0] === 'object') {
+      input = arguments[0];
+    } else {
+      input = [].slice.call(arguments);
+    }
+
+    return normalize(input);
+  };
+
+});
diff --git a/web/public/node_modules/url-join/package.json b/web/public/node_modules/url-join/package.json
new file mode 100644
index 000000000..2d5aa75ea
--- /dev/null
+++ b/web/public/node_modules/url-join/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "url-join",
+  "version": "4.0.1",
+  "description": "Join urls and normalize as in path.join.",
+  "main": "lib/url-join.js",
+  "scripts": {
+    "test": "mocha --require should"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jfromaniello/url-join.git"
+  },
+  "keywords": [
+    "url",
+    "join"
+  ],
+  "author": "José F. Romaniello <jfromaniello@gmail.com> (http://joseoncode.com)",
+  "license": "MIT",
+  "devDependencies": {
+    "conventional-changelog": "^1.1.10",
+    "mocha": "^3.2.0",
+    "should": "~1.2.1"
+  }
+}
diff --git a/web/public/node_modules/url-join/test/tests.js b/web/public/node_modules/url-join/test/tests.js
new file mode 100644
index 000000000..6876276b4
--- /dev/null
+++ b/web/public/node_modules/url-join/test/tests.js
@@ -0,0 +1,151 @@
+var urljoin = require('../lib/url-join');
+var assert = require('assert');
+
+describe('url join', function () {
+  it('should work for simple case', function () {
+    urljoin('http://www.google.com/', 'foo/bar', '?test=123')
+      .should.eql('http://www.google.com/foo/bar?test=123');
+  });
+
+  it('should work for simple case with new syntax', function () {
+    urljoin(['http://www.google.com/', 'foo/bar', '?test=123'])
+      .should.eql('http://www.google.com/foo/bar?test=123');
+  });
+
+  it('should work for hashbang urls', function () {
+    urljoin(['http://www.google.com', '#!', 'foo/bar', '?test=123'])
+      .should.eql('http://www.google.com/#!/foo/bar?test=123');
+  });
+
+  it('should be able to join protocol', function () {
+    urljoin('http:', 'www.google.com/', 'foo/bar', '?test=123')
+      .should.eql('http://www.google.com/foo/bar?test=123');
+  });
+
+  it('should be able to join protocol with slashes', function () {
+    urljoin('http://', 'www.google.com/', 'foo/bar', '?test=123')
+      .should.eql('http://www.google.com/foo/bar?test=123');
+  });
+
+  it('should remove extra slashes', function () {
+    urljoin('http:', 'www.google.com///', 'foo/bar', '?test=123')
+      .should.eql('http://www.google.com/foo/bar?test=123');
+  });
+
+  it('should not remove extra slashes in an encoded URL', function () {
+    urljoin('http:', 'www.google.com///', 'foo/bar', '?url=http%3A//Ftest.com')
+      .should.eql('http://www.google.com/foo/bar?url=http%3A//Ftest.com');
+
+    urljoin('http://a.com/23d04b3/', '/b/c.html')
+      .should.eql('http://a.com/23d04b3/b/c.html')
+      .should.not.eql('http://a.com/23d04b3//b/c.html');
+  });
+
+  it('should support anchors in urls', function () {
+    urljoin('http:', 'www.google.com///', 'foo/bar', '?test=123', '#faaaaa')
+      .should.eql('http://www.google.com/foo/bar?test=123#faaaaa');
+  });
+
+  it('should support protocol-relative urls', function () {
+    urljoin('//www.google.com', 'foo/bar', '?test=123')
+      .should.eql('//www.google.com/foo/bar?test=123')
+  });
+
+  it('should support file protocol urls', function () {
+    urljoin('file:/', 'android_asset', 'foo/bar')
+      .should.eql('file://android_asset/foo/bar')
+
+    urljoin('file:', '/android_asset', 'foo/bar')
+      .should.eql('file://android_asset/foo/bar')
+  });
+
+  it('should support absolute file protocol urls', function () {
+    urljoin('file:', '///android_asset', 'foo/bar')
+      .should.eql('file:///android_asset/foo/bar')
+
+    urljoin('file:///', 'android_asset', 'foo/bar')
+      .should.eql('file:///android_asset/foo/bar')
+
+    urljoin('file:///', '//android_asset', 'foo/bar')
+      .should.eql('file:///android_asset/foo/bar')
+
+    urljoin('file:///android_asset', 'foo/bar')
+      .should.eql('file:///android_asset/foo/bar')
+  });
+
+  it('should merge multiple query params properly', function () {
+    urljoin('http:', 'www.google.com///', 'foo/bar', '?test=123', '?key=456')
+      .should.eql('http://www.google.com/foo/bar?test=123&key=456');
+
+    urljoin('http:', 'www.google.com///', 'foo/bar', '?test=123', '?boom=value', '&key=456')
+      .should.eql('http://www.google.com/foo/bar?test=123&boom=value&key=456');
+
+    urljoin('http://example.org/x', '?a=1', '?b=2', '?c=3', '?d=4')
+      .should.eql('http://example.org/x?a=1&b=2&c=3&d=4');
+  });
+
+  it('should merge slashes in paths correctly', function () {
+    urljoin('http://example.org', 'a//', 'b//', 'A//', 'B//')
+      .should.eql('http://example.org/a/b/A/B/');
+  });
+
+  it('should merge colons in paths correctly', function () {
+    urljoin('http://example.org/', ':foo:', 'bar')
+      .should.eql('http://example.org/:foo:/bar');
+  });
+
+  it('should merge just a simple path without URL correctly', function() {
+    urljoin('/', 'test')
+      .should.eql('/test');
+  });
+
+  it('should fail with segments that are not string', function() {
+    assert.throws(() => urljoin(true),
+                  /Url must be a string. Received true/);
+    assert.throws(() => urljoin('http://blabla.com/', 1),
+                  /Url must be a string. Received 1/);
+    assert.throws(() => urljoin('http://blabla.com/', undefined, 'test'),
+                  /Url must be a string. Received undefined/);
+    assert.throws(() => urljoin('http://blabla.com/', null, 'test'),
+                  /Url must be a string. Received null/);
+    assert.throws(() => urljoin('http://blabla.com/', { foo: 123 }, 'test'),
+                  /Url must be a string. Received \[object Object\]/);
+  });
+
+  it('should merge a path with colon properly', function(){
+    urljoin('/users/:userId', '/cars/:carId')
+      .should.eql('/users/:userId/cars/:carId');
+  });
+
+  it('should merge slashes in protocol correctly', function () {
+    urljoin('http://example.org', 'a')
+      .should.eql('http://example.org/a');
+    urljoin('http:', '//example.org', 'a')
+      .should.eql('http://example.org/a');
+    urljoin('http:///example.org', 'a')
+      .should.eql('http://example.org/a');
+    urljoin('file:///example.org', 'a')
+      .should.eql('file:///example.org/a');
+
+    urljoin('file:example.org', 'a')
+      .should.eql('file://example.org/a');
+
+    urljoin('file:/', 'example.org', 'a')
+      .should.eql('file://example.org/a');
+    urljoin('file:', '/example.org', 'a')
+      .should.eql('file://example.org/a');
+    urljoin('file:', '//example.org', 'a')
+      .should.eql('file://example.org/a');
+  });
+
+  it('should skip empty strings', function() {
+    urljoin('http://foobar.com', '', 'test')
+      .should.eql('http://foobar.com/test');
+    urljoin('', 'http://foobar.com', '', 'test')
+      .should.eql('http://foobar.com/test');
+  });
+
+  it('should return an empty string if no arguments are supplied', function() {
+    urljoin().should.eql('');
+  });
+});
diff --git a/web/public/node_modules/whatwg-encoding/LICENSE.txt b/web/public/node_modules/whatwg-encoding/LICENSE.txt
new file mode 100644
index 000000000..4220dead3
--- /dev/null
+++ b/web/public/node_modules/whatwg-encoding/LICENSE.txt
@@ -0,0 +1,7 @@
+Copyright © Domenic Denicola <d@domenic.me>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/web/public/node_modules/whatwg-encoding/README.md b/web/public/node_modules/whatwg-encoding/README.md
new file mode 100644
index 000000000..1528bf5c5
--- /dev/null
+++ b/web/public/node_modules/whatwg-encoding/README.md
@@ -0,0 +1,50 @@
+# Decode According to the WHATWG Encoding Standard
+
+This package provides a thin layer on top of [iconv-lite](https://github.com/ashtuchkin/iconv-lite) which makes it expose some of the same primitives as the [Encoding Standard](https://encoding.spec.whatwg.org/).
+
+```js
+const whatwgEncoding = require("whatwg-encoding");
+
+console.assert(whatwgEncoding.labelToName("latin1") === "windows-1252");
+console.assert(whatwgEncoding.labelToName("  CYRILLic ") === "ISO-8859-5");
+
+console.assert(whatwgEncoding.isSupported("IBM866") === true);
+
+// Not supported by the Encoding Standard
+console.assert(whatwgEncoding.isSupported("UTF-32") === false);
+
+// In the Encoding Standard, but this package can't decode it
+console.assert(whatwgEncoding.isSupported("x-mac-cyrillic") === false);
+
+console.assert(whatwgEncoding.getBOMEncoding(new Uint8Array([0xFE, 0xFF])) === "UTF-16BE");
+console.assert(whatwgEncoding.getBOMEncoding(new Uint8Array([0x48, 0x69])) === null);
+
+console.assert(whatwgEncoding.decode(new Uint8Array([0x48, 0x69]), "UTF-8") === "Hi");
+```
+
+## API
+
+- `decode(uint8Array, fallbackEncodingName)`: performs the [decode](https://encoding.spec.whatwg.org/#decode) algorithm (in which any BOM will override the passed fallback encoding), and returns the resulting string
+- `labelToName(label)`: performs the [get an encoding](https://encoding.spec.whatwg.org/#concept-encoding-get) algorithm and returns the resulting encoding's name, or `null` for failure
+- `isSupported(name)`: returns whether the encoding is one of [the encodings](https://encoding.spec.whatwg.org/#names-and-labels) of the Encoding Standard, _and_ is an encoding that this package can decode (via iconv-lite)
+- `getBOMEncoding(uint8Array)`: sniffs the first 2–3 bytes of the supplied `Uint8Array`, returning one of the encoding names `"UTF-8"`, `"UTF-16LE"`, or `"UTF-16BE"` if the appropriate BOM is present, or `null` if no BOM is present
+
+## Unsupported encodings
+
+Since we rely on iconv-lite, we are limited to support only the encodings that they support. Currently we are missing support for:
+
+- ISO-2022-JP
+- ISO-8859-8-I
+- replacement
+- x-mac-cyrillic
+- x-user-defined
+
+Passing these encoding names will return `false` when calling `isSupported`, and passing any of the possible labels for these encodings to `labelToName` will return `null`.
+
+## Credits
+
+This package was originally based on the excellent work of [@nicolashenry](https://github.com/nicolashenry), [in jsdom](https://github.com/tmpvar/jsdom/blob/7ce11776ce161e8d5921a7a183585327400f786b/lib/jsdom/living/helpers/encoding.js). It has since been pulled out into this separate package.
+
+## Alternatives
+
+If you are looking for a JavaScript implementation of the Encoding Standard's `TextEncoder` and `TextDecoder` APIs, you'll want [@inexorabletash](https://github.com/inexorabletash)'s [text-encoding](https://github.com/inexorabletash/text-encoding) package. Node.js also has them [built-in](https://nodejs.org/dist/latest/docs/api/globals.html#globals_textdecoder).
diff --git a/web/public/node_modules/whatwg-encoding/lib/labels-to-names.json b/web/public/node_modules/whatwg-encoding/lib/labels-to-names.json
new file mode 100644
index 000000000..e7c7f9a5a
--- /dev/null
+++ b/web/public/node_modules/whatwg-encoding/lib/labels-to-names.json
@@ -0,0 +1,216 @@
+{
+  "866": "IBM866",
+  "unicode-1-1-utf-8": "UTF-8",
+  "unicode11utf8": "UTF-8",
+  "unicode20utf8": "UTF-8",
+  "utf-8": "UTF-8",
+  "utf8": "UTF-8",
+  "x-unicode20utf8": "UTF-8",
+  "cp866": "IBM866",
+  "csibm866": "IBM866",
+  "ibm866": "IBM866",
+  "csisolatin2": "ISO-8859-2",
+  "iso-8859-2": "ISO-8859-2",
+  "iso-ir-101": "ISO-8859-2",
+  "iso8859-2": "ISO-8859-2",
+  "iso88592": "ISO-8859-2",
+  "iso_8859-2": "ISO-8859-2",
+  "iso_8859-2:1987": "ISO-8859-2",
+  "l2": "ISO-8859-2",
+  "latin2": "ISO-8859-2",
+  "csisolatin3": "ISO-8859-3",
+  "iso-8859-3": "ISO-8859-3",
+  "iso-ir-109": "ISO-8859-3",
+  "iso8859-3": "ISO-8859-3",
+  "iso88593": "ISO-8859-3",
+  "iso_8859-3": "ISO-8859-3",
+  "iso_8859-3:1988": "ISO-8859-3",
+  "l3": "ISO-8859-3",
+  "latin3": "ISO-8859-3",
+  "csisolatin4": "ISO-8859-4",
+  "iso-8859-4": "ISO-8859-4",
+  "iso-ir-110": "ISO-8859-4",
+  "iso8859-4": "ISO-8859-4",
+  "iso88594": "ISO-8859-4",
+  "iso_8859-4": "ISO-8859-4",
+  "iso_8859-4:1988": "ISO-8859-4",
+  "l4": "ISO-8859-4",
+  "latin4": "ISO-8859-4",
+  "csisolatincyrillic": "ISO-8859-5",
+  "cyrillic": "ISO-8859-5",
+  "iso-8859-5": "ISO-8859-5",
+  "iso-ir-144": "ISO-8859-5",
+  "iso8859-5": "ISO-8859-5",
+  "iso88595": "ISO-8859-5",
+  "iso_8859-5": "ISO-8859-5",
+  "iso_8859-5:1988": "ISO-8859-5",
+  "arabic": "ISO-8859-6",
+  "asmo-708": "ISO-8859-6",
+  "csiso88596e": "ISO-8859-6",
+  "csiso88596i": "ISO-8859-6",
+  "csisolatinarabic": "ISO-8859-6",
+  "ecma-114": "ISO-8859-6",
+  "iso-8859-6": "ISO-8859-6",
+  "iso-8859-6-e": "ISO-8859-6",
+  "iso-8859-6-i": "ISO-8859-6",
+  "iso-ir-127": "ISO-8859-6",
+  "iso8859-6": "ISO-8859-6",
+  "iso88596": "ISO-8859-6",
+  "iso_8859-6": "ISO-8859-6",
+  "iso_8859-6:1987": "ISO-8859-6",
+  "csisolatingreek": "ISO-8859-7",
+  "ecma-118": "ISO-8859-7",
+  "elot_928": "ISO-8859-7",
+  "greek": "ISO-8859-7",
+  "greek8": "ISO-8859-7",
+  "iso-8859-7": "ISO-8859-7",
+  "iso-ir-126": "ISO-8859-7",
+  "iso8859-7": "ISO-8859-7",
+  "iso88597": "ISO-8859-7",
+  "iso_8859-7": "ISO-8859-7",
+  "iso_8859-7:1987": "ISO-8859-7",
+  "sun_eu_greek": "ISO-8859-7",
+  "csiso88598e": "ISO-8859-8",
+  "csisolatinhebrew": "ISO-8859-8",
+  "hebrew": "ISO-8859-8",
+  "iso-8859-8": "ISO-8859-8",
+  "iso-8859-8-e": "ISO-8859-8",
+  "iso-ir-138": "ISO-8859-8",
+  "iso8859-8": "ISO-8859-8",
+  "iso88598": "ISO-8859-8",
+  "iso_8859-8": "ISO-8859-8",
+  "iso_8859-8:1988": "ISO-8859-8",
+  "visual": "ISO-8859-8",
+  "csisolatin6": "ISO-8859-10",
+  "iso-8859-10": "ISO-8859-10",
+  "iso-ir-157": "ISO-8859-10",
+  "iso8859-10": "ISO-8859-10",
+  "iso885910": "ISO-8859-10",
+  "l6": "ISO-8859-10",
+  "latin6": "ISO-8859-10",
+  "iso-8859-13": "ISO-8859-13",
+  "iso8859-13": "ISO-8859-13",
+  "iso885913": "ISO-8859-13",
+  "iso-8859-14": "ISO-8859-14",
+  "iso8859-14": "ISO-8859-14",
+  "iso885914": "ISO-8859-14",
+  "csisolatin9": "ISO-8859-15",
+  "iso-8859-15": "ISO-8859-15",
+  "iso8859-15": "ISO-8859-15",
+  "iso885915": "ISO-8859-15",
+  "iso_8859-15": "ISO-8859-15",
+  "l9": "ISO-8859-15",
+  "iso-8859-16": "ISO-8859-16",
+  "cskoi8r": "KOI8-R",
+  "koi": "KOI8-R",
+  "koi8": "KOI8-R",
+  "koi8-r": "KOI8-R",
+  "koi8_r": "KOI8-R",
+  "koi8-ru": "KOI8-U",
+  "koi8-u": "KOI8-U",
+  "csmacintosh": "macintosh",
+  "mac": "macintosh",
+  "macintosh": "macintosh",
+  "x-mac-roman": "macintosh",
+  "dos-874": "windows-874",
+  "iso-8859-11": "windows-874",
+  "iso8859-11": "windows-874",
+  "iso885911": "windows-874",
+  "tis-620": "windows-874",
+  "windows-874": "windows-874",
+  "cp1250": "windows-1250",
+  "windows-1250": "windows-1250",
+  "x-cp1250": "windows-1250",
+  "cp1251": "windows-1251",
+  "windows-1251": "windows-1251",
+  "x-cp1251": "windows-1251",
+  "ansi_x3.4-1968": "windows-1252",
+  "ascii": "windows-1252",
+  "cp1252": "windows-1252",
+  "cp819": "windows-1252",
+  "csisolatin1": "windows-1252",
+  "ibm819": "windows-1252",
+  "iso-8859-1": "windows-1252",
+  "iso-ir-100": "windows-1252",
+  "iso8859-1": "windows-1252",
+  "iso88591": "windows-1252",
+  "iso_8859-1": "windows-1252",
+  "iso_8859-1:1987": "windows-1252",
+  "l1": "windows-1252",
+  "latin1": "windows-1252",
+  "us-ascii": "windows-1252",
+  "windows-1252": "windows-1252",
+  "x-cp1252": "windows-1252",
+  "cp1253": "windows-1253",
+  "windows-1253": "windows-1253",
+  "x-cp1253": "windows-1253",
+  "cp1254": "windows-1254",
+  "csisolatin5": "windows-1254",
+  "iso-8859-9": "windows-1254",
+  "iso-ir-148": "windows-1254",
+  "iso8859-9": "windows-1254",
+  "iso88599": "windows-1254",
+  "iso_8859-9": "windows-1254",
+  "iso_8859-9:1989": "windows-1254",
+  "l5": "windows-1254",
+  "latin5": "windows-1254",
+  "windows-1254": "windows-1254",
+  "x-cp1254": "windows-1254",
+  "cp1255": "windows-1255",
+  "windows-1255": "windows-1255",
+  "x-cp1255": "windows-1255",
+  "cp1256": "windows-1256",
+  "windows-1256": "windows-1256",
+  "x-cp1256": "windows-1256",
+  "cp1257": "windows-1257",
+  "windows-1257": "windows-1257",
+  "x-cp1257": "windows-1257",
+  "cp1258": "windows-1258",
+  "windows-1258": "windows-1258",
+  "x-cp1258": "windows-1258",
+  "chinese": "GBK",
+  "csgb2312": "GBK",
+  "csiso58gb231280": "GBK",
+  "gb2312": "GBK",
+  "gb_2312": "GBK",
+  "gb_2312-80": "GBK",
+  "gbk": "GBK",
+  "iso-ir-58": "GBK",
+  "x-gbk": "GBK",
+  "gb18030": "gb18030",
+  "big5": "Big5",
+  "big5-hkscs": "Big5",
+  "cn-big5": "Big5",
+  "csbig5": "Big5",
+  "x-x-big5": "Big5",
+  "cseucpkdfmtjapanese": "EUC-JP",
+  "euc-jp": "EUC-JP",
+  "x-euc-jp": "EUC-JP",
+  "csshiftjis": "Shift_JIS",
+  "ms932": "Shift_JIS",
+  "ms_kanji": "Shift_JIS",
+  "shift-jis": "Shift_JIS",
+  "shift_jis": "Shift_JIS",
+  "sjis": "Shift_JIS",
+  "windows-31j": "Shift_JIS",
+  "x-sjis": "Shift_JIS",
+  "cseuckr": "EUC-KR",
+  "csksc56011987": "EUC-KR",
+  "euc-kr": "EUC-KR",
+  "iso-ir-149": "EUC-KR",
+  "korean": "EUC-KR",
+  "ks_c_5601-1987": "EUC-KR",
+  "ks_c_5601-1989": "EUC-KR",
+  "ksc5601": "EUC-KR",
+  "ksc_5601": "EUC-KR",
+  "windows-949": "EUC-KR",
+  "unicodefffe": "UTF-16BE",
+  "utf-16be": "UTF-16BE",
+  "csunicode": "UTF-16LE",
+  "iso-10646-ucs-2": "UTF-16LE",
+  "ucs-2": "UTF-16LE",
+  "unicode": "UTF-16LE",
+  "unicodefeff": "UTF-16LE",
+  "utf-16": "UTF-16LE",
+  "utf-16le": "UTF-16LE"
+}
\ No newline at end of file
diff --git a/web/public/node_modules/whatwg-encoding/lib/supported-names.json b/web/public/node_modules/whatwg-encoding/lib/supported-names.json
new file mode 100644
index 000000000..bcb282e67
--- /dev/null
+++ b/web/public/node_modules/whatwg-encoding/lib/supported-names.json
@@ -0,0 +1,37 @@
+[
+  "UTF-8",
+  "IBM866",
+  "ISO-8859-2",
+  "ISO-8859-3",
+  "ISO-8859-4",
+  "ISO-8859-5",
+  "ISO-8859-6",
+  "ISO-8859-7",
+  "ISO-8859-8",
+  "ISO-8859-10",
+  "ISO-8859-13",
+  "ISO-8859-14",
+  "ISO-8859-15",
+  "ISO-8859-16",
+  "KOI8-R",
+  "KOI8-U",
+  "macintosh",
+  "windows-874",
+  "windows-1250",
+  "windows-1251",
+  "windows-1252",
+  "windows-1253",
+  "windows-1254",
+  "windows-1255",
+  "windows-1256",
+  "windows-1257",
+  "windows-1258",
+  "GBK",
+  "gb18030",
+  "Big5",
+  "EUC-JP",
+  "Shift_JIS",
+  "EUC-KR",
+  "UTF-16BE",
+  "UTF-16LE"
+]
\ No newline at end of file
diff --git a/web/public/node_modules/whatwg-encoding/lib/whatwg-encoding.js b/web/public/node_modules/whatwg-encoding/lib/whatwg-encoding.js
new file mode 100644
index 000000000..dbb77fb62
--- /dev/null
+++ b/web/public/node_modules/whatwg-encoding/lib/whatwg-encoding.js
@@ -0,0 +1,47 @@
+"use strict";
+const iconvLite = require("iconv-lite");
+const supportedNames = require("./supported-names.json");
+const labelsToNames = require("./labels-to-names.json");
+
+const supportedNamesSet = new Set(supportedNames);
+
+// https://encoding.spec.whatwg.org/#concept-encoding-get
+exports.labelToName = label => {
+  label = String(label).trim().toLowerCase();
+
+  return labelsToNames[label] || null;
+};
+
+// https://encoding.spec.whatwg.org/#decode
+exports.decode = (uint8Array, fallbackEncodingName) => {
+  let encoding = fallbackEncodingName;
+  if (!exports.isSupported(encoding)) {
+    throw new RangeError(`"${encoding}" is not a supported encoding name`);
+  }
+
+  const bomEncoding = exports.getBOMEncoding(uint8Array);
+  if (bomEncoding !== null) {
+    encoding = bomEncoding;
+  }
+
+  // iconv-lite will strip BOMs for us, so no need to do the stuff the spec does
+
+  return iconvLite.decode(uint8Array, encoding);
+};
+
+// https://github.com/whatwg/html/issues/1910#issuecomment-254017369
+exports.getBOMEncoding = uint8Array => {
+  if (uint8Array[0] === 0xFE && uint8Array[1] === 0xFF) {
+    return "UTF-16BE";
+  } else if (uint8Array[0] === 0xFF && uint8Array[1] === 0xFE) {
+    return "UTF-16LE";
+  } else if (uint8Array[0] === 0xEF && uint8Array[1] === 0xBB && uint8Array[2] === 0xBF) {
+    return "UTF-8";
+  }
+
+  return null;
+};
+
+exports.isSupported = name => {
+  return supportedNamesSet.has(String(name));
+};
diff --git a/web/public/node_modules/whatwg-encoding/package.json b/web/public/node_modules/whatwg-encoding/package.json
new file mode 100644
index 000000000..27ca6ffba
--- /dev/null
+++ b/web/public/node_modules/whatwg-encoding/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "whatwg-encoding",
+  "description": "Decode strings according to the WHATWG Encoding Standard",
+  "keywords": [
+    "encoding",
+    "whatwg"
+  ],
+  "version": "2.0.0",
+  "author": "Domenic Denicola <d@domenic.me> (https://domenic.me/)",
+  "license": "MIT",
+  "repository": "jsdom/whatwg-encoding",
+  "main": "lib/whatwg-encoding.js",
+  "files": [
+    "lib/"
+  ],
+  "scripts": {
+    "test": "mocha",
+    "lint": "eslint .",
+    "prepare": "node scripts/update.js"
+  },
+  "dependencies": {
+    "iconv-lite": "0.6.3"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^1.3.0",
+    "eslint": "^7.32.0",
+    "minipass-fetch": "^1.4.1",
+    "mocha": "^9.1.1"
+  },
+  "engines": {
+    "node": ">=12"
+  }
+}
diff --git a/web/public/node_modules/xterm/LICENSE b/web/public/node_modules/xterm/LICENSE
new file mode 100644
index 000000000..4472336c9
--- /dev/null
+++ b/web/public/node_modules/xterm/LICENSE
@@ -0,0 +1,21 @@
+Copyright (c) 2017-2019, The xterm.js authors (https://github.com/xtermjs/xterm.js)
+Copyright (c) 2014-2016, SourceLair Private Company (https://www.sourcelair.com)
+Copyright (c) 2012-2013, Christopher Jeffrey (https://github.com/chjj/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/web/public/node_modules/xterm/README.md b/web/public/node_modules/xterm/README.md
new file mode 100644
index 000000000..0abcd32cf
--- /dev/null
+++ b/web/public/node_modules/xterm/README.md
@@ -0,0 +1,230 @@
+# [![xterm.js logo](logo-full.png)](https://xtermjs.org)
+
+Xterm.js is a front-end component written in TypeScript that lets applications bring fully-featured terminals to their users in the browser. It's used by popular projects such as VS Code, Hyper and Theia.
+
+## Features
+
+- **Terminal apps just work**: Xterm.js works with most terminal apps such as `bash`, `vim`, and `tmux`, including support for curses-based apps and mouse events.
+- **Performant**: Xterm.js is *really* fast, it even includes a GPU-accelerated renderer.
+- **Rich Unicode support**: Supports CJK, emojis, and IMEs.
+- **Self-contained**: Requires zero dependencies to work.
+- **Accessible**: Screen reader and minimum contrast ratio support can be turned on.
+- **And much more**: Links, theming, addons, well documented API, etc.
+
+## What xterm.js is not
+
+- Xterm.js is not a terminal application that you can download and use on your computer.
+- Xterm.js is not `bash`. Xterm.js can be connected to processes like `bash` and let you interact with them (provide input, receive output).
+
+## Getting Started
+
+First, you need to install the module, we ship exclusively through [npm](https://www.npmjs.com/), so you need that installed and then add xterm.js as a dependency by running:
+
+```bash
+npm install xterm
+```
+
+To start using xterm.js on your browser, add the `xterm.js` and `xterm.css` to the head of your HTML page. Then create a `<div id="terminal"></div>` onto which xterm can attach itself. Finally, instantiate the `Terminal` object and then call the `open` function with the DOM object of the `div`.
+
+```html
+<!doctype html>
+  <html>
+    <head>
+      <link rel="stylesheet" href="node_modules/xterm/css/xterm.css" />
+      <script src="node_modules/xterm/lib/xterm.js"></script>
+    </head>
+    <body>
+      <div id="terminal"></div>
+      <script>
+        var term = new Terminal();
+        term.open(document.getElementById('terminal'));
+        term.write('Hello from \x1B[1;3;31mxterm.js\x1B[0m $ ')
+      </script>
+    </body>
+  </html>
+```
+
+### Importing
+
+The recommended way to load xterm.js is via the ES6 module syntax:
+
+```javascript
+import { Terminal } from 'xterm';
+```
+
+### Addons
+
+⚠️ *This section describes the new addon format introduced in v3.14.0, see [here](https://github.com/xtermjs/xterm.js/blob/3.14.2/README.md#addons) for the instructions on the old format*
+
+Addons are separate modules that extend the `Terminal` by building on the [xterm.js API](https://github.com/xtermjs/xterm.js/blob/master/typings/xterm.d.ts). To use an addon, you first need to install it in your project:
+
+```bash
+npm i -S xterm-addon-web-links
+```
+
+Then import the addon, instantiate it and call `Terminal.loadAddon`:
+
+```ts
+import { Terminal } from 'xterm';
+import { WebLinksAddon } from 'xterm-addon-web-links';
+
+const terminal = new Terminal();
+// Load WebLinksAddon on terminal, this is all that's needed to get web links
+// working in the terminal.
+terminal.loadAddon(new WebLinksAddon());
+```
+
+The xterm.js team maintains the following addons, but anyone can build them:
+
+- [`xterm-addon-attach`](https://github.com/xtermjs/xterm.js/tree/master/addons/xterm-addon-attach): Attaches to a server running a process via a websocket
+- [`xterm-addon-fit`](https://github.com/xtermjs/xterm.js/tree/master/addons/xterm-addon-fit): Fits the terminal to the containing element
+- [`xterm-addon-search`](https://github.com/xtermjs/xterm.js/tree/master/addons/xterm-addon-search): Adds search functionality
+- [`xterm-addon-web-links`](https://github.com/xtermjs/xterm.js/tree/master/addons/xterm-addon-web-links): Adds web link detection and interaction
+
+## Browser Support
+
+Since xterm.js is typically implemented as a developer tool, only modern browsers are supported officially. Specifically the latest versions of *Chrome*, *Edge*, *Firefox*, and *Safari*.
+
+Xterm.js works seamlessly in [Electron](https://electronjs.org/) apps and may even work on earlier versions of the browsers. These are the versions we strive to keep working.
+
+### Node.js Support
+
+We also publish [`xterm-headless`](https://www.npmjs.com/package/xterm-headless) which is a stripped down version of xterm.js that runs in Node.js. An example use case for this is to keep track of a terminal's state where the process is running and using the serialize addon so it can get all state restored upon reconnection.
+
+## API
+
+The full API for xterm.js is contained within the [TypeScript declaration file](https://github.com/xtermjs/xterm.js/blob/master/typings/xterm.d.ts), use the branch/tag picker in GitHub (`w`) to navigate to the correct version of the API.
+
+Note that some APIs are marked *experimental*, these are added to enable experimentation with new ideas without committing to support it like a normal [semver](https://semver.org/) API. Note that these APIs can change radically between versions, so be sure to read release notes if you plan on using experimental APIs.
+
+## Releases
+
+Xterm.js follows a monthly release cycle roughly.
+
+All current and past releases are available on this repo's [Releases page](https://github.com/sourcelair/xterm.js/releases), you can view the [high-level roadmap on the wiki](https://github.com/xtermjs/xterm.js/wiki/Roadmap) and see what we're working on now by looking through [Milestones](https://github.com/sourcelair/xterm.js/milestones).
+
+### Beta builds
+
+Our CI releases beta builds to npm for every change that goes into master. Install the latest beta build with:
+
+```bash
+npm install -S xterm@beta
+```
+
+These should generally be stable, but some bugs may slip in. We recommend using the beta build primarily to test out new features and to verify bug fixes.
+
+## Contributing
+
+You can read the [guide on the wiki](https://github.com/xtermjs/xterm.js/wiki/Contributing) to learn how to contribute and set up xterm.js for development.
+
+## Real-world uses
+Xterm.js is used in several world-class applications to provide great terminal experiences.
+
+- [**SourceLair**](https://www.sourcelair.com/): In-browser IDE that provides its users with fully-featured Linux terminals based on xterm.js.
+- [**Microsoft Visual Studio Code**](http://code.visualstudio.com/): Modern, versatile, and powerful open source code editor that provides an integrated terminal based on xterm.js.
+- [**ttyd**](https://github.com/tsl0922/ttyd): A command-line tool for sharing terminal over the web, with fully-featured terminal emulation based on xterm.js.
+- [**Katacoda**](https://www.katacoda.com/): Katacoda is an Interactive Learning Platform for software developers, covering the latest Cloud Native technologies.
+- [**Eclipse Che**](http://www.eclipse.org/che): Developer workspace server, cloud IDE, and Eclipse next-generation IDE.
+- [**Codenvy**](http://www.codenvy.com): Cloud workspaces for development teams.
+- [**CoderPad**](https://coderpad.io): Online interviewing platform for programmers. Run code in many programming languages, with results displayed by xterm.js.
+- [**WebSSH2**](https://github.com/billchurch/WebSSH2): A web based SSH2 client using xterm.js, socket.io, and ssh2.
+- [**Spyder Terminal**](https://github.com/spyder-ide/spyder-terminal): A full fledged system terminal embedded on Spyder IDE.
+- [**Cloud Commander**](https://cloudcmd.io "Cloud Commander"): Orthodox web file manager with console and editor.
+- [**Next Tech**](https://next.tech "Next Tech"): Online platform for interactive coding and web development courses. Live container-backed terminal uses xterm.js.
+- [**RStudio**](https://www.rstudio.com/products/RStudio "RStudio"): RStudio is an integrated development environment (IDE) for R.
+- [**Terminal for Atom**](https://github.com/jsmecham/atom-terminal-tab): A simple terminal for the Atom text editor.
+- [**Eclipse Orion**](https://orionhub.org): A modern, open source software development environment that runs in the cloud. Code, deploy, and run in the cloud.
+- [**Gravitational Teleport**](https://github.com/gravitational/teleport): Gravitational Teleport is a modern SSH server for remotely accessing clusters of Linux servers via SSH or HTTPS.
+- [**Hexlet**](https://en.hexlet.io): Practical programming courses (JavaScript, PHP, Unix, databases, functional programming). A steady path from the first line of code to the first job.
+- [**Selenoid UI**](https://github.com/aerokube/selenoid-ui): Simple UI for the scalable golang implementation of Selenium Hub named Selenoid. We use XTerm for streaming logs over websockets from docker containers.
+- [**Portainer**](https://portainer.io): Simple management UI for Docker.
+- [**SSHy**](https://github.com/stuicey/SSHy): HTML5 Based SSHv2 Web Client with E2E encryption utilising xterm.js, SJCL & websockets.
+- [**JupyterLab**](https://github.com/jupyterlab/jupyterlab): An extensible computational environment for Jupyter, supporting interactive data science and scientific computing across all programming languages.
+- [**Theia**](https://github.com/theia-ide/theia): Theia is a cloud & desktop IDE framework implemented in TypeScript.
+- [**Opshell**](https://github.com/ricktbaker/opshell) Ops Helper tool to make life easier working with AWS instances across multiple organizations.
+- [**Proxmox VE**](https://www.proxmox.com/en/proxmox-ve): Proxmox VE is a complete open-source platform for enterprise virtualization. It uses xterm.js for container terminals and the host shell.
+- [**Script Runner**](https://github.com/ioquatix/script-runner): Run scripts (or a shell) in Atom.
+- [**Whack Whack Terminal**](https://github.com/Microsoft/WhackWhackTerminal): Terminal emulator for Visual Studio 2017.
+- [**VTerm**](https://github.com/vterm/vterm): Extensible terminal emulator based on Electron and React.
+- [**electerm**](http://electerm.html5beta.com): electerm is a terminal/ssh/sftp client(mac, win, linux) based on electron/node-pty/xterm.
+- [**Kubebox**](https://github.com/astefanutti/kubebox): Terminal console for Kubernetes clusters.
+- [**Azure Cloud Shell**](https://shell.azure.com): Azure Cloud Shell is a Microsoft-managed admin machine built on Azure, for Azure.
+- [**atom-xterm**](https://atom.io/packages/atom-xterm): Atom plugin for providing terminals inside your Atom workspace.
+- [**rtty**](https://github.com/zhaojh329/rtty): Access your terminals from anywhere via the web.
+- [**Pisth**](https://github.com/ColdGrub1384/Pisth): An SFTP and SSH client for iOS.
+- [**abstruse**](https://github.com/bleenco/abstruse): Abstruse CI is a continuous integration platform based on Node.JS and Docker.
+- [**Azure Data Studio**](https://github.com/Microsoft/azuredatastudio): A data management tool that enables working with SQL Server, Azure SQL DB and SQL DW from Windows, macOS and Linux.
+- [**FreeMAN**](https://github.com/matthew-matvei/freeman): A free, cross-platform file manager for power users.
+- [**Fluent Terminal**](https://github.com/felixse/FluentTerminal): A terminal emulator based on UWP and web technologies.
+- [**Hyper**](https://hyper.is): A terminal built on web technologies.
+- [**Diag**](https://diag.ai): A better way to troubleshoot problems faster. Capture, share and reapply troubleshooting knowledge so you can focus on solving problems that matter.
+- [**GoTTY**](https://github.com/sorenisanerd/gotty): A simple command line tool that shares your terminal as a web application based on xterm.js.
+- [**genact**](https://github.com/svenstaro/genact): A nonsense activity generator.
+- [**cPanel & WHM**](https://cpanel.com): The hosting platform of choice.
+- [**Nutanix**](https://github.com/nutanix): Nutanix Enterprise Cloud uses xterm in the webssh functionality within Nutanix Calm, and is also looking to move our old noserial (termjs) functionality to xterm.js.
+- [**SSH Web Client**](https://github.com/roke22/PHP-SSH2-Web-Client): SSH Web Client with PHP.
+- [**Juno**](http://junolab.org/): A flexible Julia IDE, based on Atom.
+- [**webssh**](https://github.com/huashengdun/webssh): Web based ssh client.
+- [**info-beamer hosted**](https://info-beamer.com): Uses xterm.js to manage digital signage devices from the web dashboard.
+- [**Jumpserver**](https://github.com/jumpserver/luna): Jumpserver Luna project, Jumpserver is a bastion server project, Luna use xterm.js for web terminal emulation.
+- [**LxdMosaic**](https://github.com/turtle0x1/LxdMosaic): Uses xterm.js to give terminal access to containers through LXD
+- [**CodeInterview.io**](https://codeinterview.io): A coding interview platform in 25+ languages and many web frameworks. Uses xterm.js to provide shell access.
+- [**Bastillion**](https://www.bastillion.io): Bastillion is an open-source web-based SSH console that centrally manages administrative access to systems.
+- [**PHP App Server**](https://github.com/cubiclesoft/php-app-server/): Create lightweight, installable almost-native applications for desktop OSes.  ExecTerminal (nicely wraps the xterm.js Terminal), TerminalManager, and RunProcessSDK are self-contained, reusable ES5+ compliant Javascript components.
+- [**NgTerminal**](https://github.com/qwefgh90/ng-terminal): NgTerminal is a web terminal that leverages xterm.js on Angular 7+. You can easily add it into your application by adding `<ng-terminal></ng-terminal>` into your component.
+- [**tty-share**](https://tty-share.com): Extremely simple terminal sharing over the Internet.
+- [**Ten Hands**](https://github.com/saisandeepvaddi/ten-hands): One place to run your command-line tasks.
+- [**WebAssembly.sh**](https://webassembly.sh): A WebAssembly WASI browser terminal
+- [**Gus**](https://gus.jp): A shared coding pad where you can run Python with xterm.js
+- [**Linode**](https://linode.com): Linode uses xterm.js to provide users a web console for their Linode instances.
+- [**FluffOS**](https://www.fluffos.info): Active maintained LPMUD driver with websocket support.
+- [**x-terminal**](https://atom.io/packages/x-terminal): Atom plugin for providing terminals inside your Atom workspace.
+- [**CoCalc**](https://cocalc.com/): Lots of free software pre-installed, to chat, collaborate, develop, program, publish, research, share, teach, in C++, HTML, Julia, Jupyter, LaTeX, Markdown, Python, R, SageMath, Scala, ...
+- [**Dank Domain**](https://www.DDgame.us/): Open source multiuser medieval game supporting old & new terminal emulation.
+- [**DockerStacks**](https://docker-stacks.com/): Local LAMP/LEMP development studio
+- [**Codecademy**](https://codecademy.com/): Uses xterm.js in its courses on Bash.
+- [**Laravel Ssh Web Client**](https://github.com/roke22/Laravel-ssh-client): Laravel server inventory with ssh web client to connect at server using xterm.js
+- [**Replit**](https://replit.com): Collaborative browser based IDE with support for 50+ different languages.
+- [**TeleType**](https://github.com/akshaykmr/TeleType): cli tool that allows you to share your terminal online conveniently. Show off mad cli-fu, help a colleague, teach, or troubleshoot.
+- [**Intervue**](https://www.intervue.io): Pair programming for interviews. Multiple programming languages are supported, with results displayed by xterm.js.
+- [**TRASA**](https://trasa.io): Zero trust access to Web, SSH, RDP, and Database services.
+- [**Commas**](https://github.com/CyanSalt/commas): Commas is a hackable terminal and command runner.
+- [**Devtron**](https://github.com/devtron-labs/devtron): Software Delivery Workflow For Kubernetes.
+- [**NxShell**](https://github.com/nxshell/nxshell): An easy to use new terminal for SSH.
+- [**gifcast**](https://dstein64.github.io/gifcast/): Converts an asciinema cast to an animated GIF.
+- [**WizardWebssh**](https://gitlab.com/mikeramsey/wizardwebssh): A terminal with Pyqt5 Widget for embedding, which can be used as an ssh client to connect to your ssh servers. It is written in Python, based on tornado, paramiko, and xterm.js.
+- [**Wizard Assistant**](https://wizardassistant.com/): Wizard Assistant comes with advanced automation tools, preloaded common and special time-saving commands, and a built-in SSH terminal. Now you can remotely administer, troubleshoot, and analyze any system with ease.
+- [**ucli**](https://github.com/tsadarsh/ucli): Command Line for everyone :family_man_woman_girl_boy: at [www.ucli.tech](https://www.ucli.tech).
+- [**Tess**](https://github.com/SquitchYT/Tess/): Simple Terminal Fully Customizable for Everyone. Discover more at [tessapp.dev](https://tessapp.dev)
+- [**HashiCorp Nomad**](https://www.nomadproject.io/): A container orchestrator with the ability to connect to remote tasks via a web interface using websockets and xterm.js.
+- [**TermPair**](https://github.com/cs01/termpair): View and control terminals from your browser with end-to-end encryption
+- [**gdbgui**](https://github.com/cs01/gdbgui): Browser-based frontend to gdb (gnu debugger)
+- [**goormIDE**](https://ide.goorm.io/): Run almost every programming languages with real-time collaboration, live pair programming, and built-in messenger.
+- [**FleetDeck**](https://fleetdeck.io): Remote desktop & virtual terminal
+- [**OpenSumi**](https://github.com/opensumi/core): A framework helps you quickly build Cloud or Desktop IDE products.
+- [**KubeSail**](https://kubesail.com): The Self-Hosting Company - uses xterm to allow users to exec into kubernetes pods and build github apps
+- [**WiTTY**](https://github.com/syssecfsu/witty): Web-based interactive terminal emulator that allows users to easily record, share, and replay console sessions.
+- [**libv86 Terminal Forwarding**](https://github.com/hello-smile6/libv86-terminal-forwarding): Peer-to-peer SSH for the web, using WebRTC via [Bugout](https://github.com/chr15m/bugout) for data transfer and [v86](https://github.com/copy/v86) for web-based virtualization.
+- [**hack.courses**](https://hack.courses): Interactive Linux and command-line classes using xterm.js to expose a real terminal available for everyone.
+- [**Render**](https://render.com): Platform-as-a-service for your apps, websites, and databases using xterm.js to provide a command prompt for user containers and for streaming build and runtime logs.
+- [**CloudTTY**](https://github.com/cloudtty/cloudtty): A Friendly Kubernetes CloudShell (Web Terminal).
+- [**Go SSH Web Client**](https://github.com/wuchihsu/go-ssh-web-client): A simple SSH web client using Go, WebSocket and Xterm.js.
+- [**web3os**](https://web3os.sh): A decentralized operating system for the next web
+- [**Cratecode**](https://cratecode.com): Learn to program for free through interactive online lessons. Cratecode uses xterm.js to give users access to their own Linux environment.
+- [**Super Terminal**](https://github.com/bugwheels94/super-terminal): It is a http based terminal for developers who dont like repetition and save time.
+- [**graSSHopper**](https://grasshopper.coding.kiwi): A simple SSH client with file explorer, history and many more features.
+- [**DomTerm**](https://domterm.org/xtermjs.html): Tiles and tabs. Detachable sessions (like tmux). [Remote connections](https://domterm.org/Remoting-over-ssh.html) using a nice ssh wrapper with predictive echo. Qt, Electron, Tauri/Wry, or desktop browser front-ends. Choose between xterm.js engine (faster) or native DomTerm (more functionality and graphics) - or both.
+- [**Cloudtutor.io**](https://cloudtutor.io): innovative online learning platform that offers users access to an interactive lab.
+- [**Helix Editor Playground**](https://github.com/tomgroenwoldt/helix-editor-playground): Online playground for the terminal based helix editor.
+- [**Coder**](https://github.com/coder/coder): Self-Hosted Remote Development Environments
+- [And much more...](https://github.com/xtermjs/xterm.js/network/dependents?package_id=UGFja2FnZS0xNjYzMjc4OQ%3D%3D)
+
+Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it on our list. Note: Please add any new contributions to the end of the list only.
+
+## License Agreement
+
+If you contribute code to this project, you implicitly allow your code to be distributed under the MIT license. You are also implicitly verifying that all code is your original work.
+
+Copyright (c) 2017-2022, [The xterm.js authors](https://github.com/xtermjs/xterm.js/graphs/contributors) (MIT License)<br>
+Copyright (c) 2014-2017, SourceLair, Private Company ([www.sourcelair.com](https://www.sourcelair.com/home)) (MIT License)<br>
+Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
diff --git a/web/public/node_modules/xterm/css/xterm.css b/web/public/node_modules/xterm/css/xterm.css
new file mode 100644
index 000000000..74acc2670
--- /dev/null
+++ b/web/public/node_modules/xterm/css/xterm.css
@@ -0,0 +1,209 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ * @license MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/**
+ *  Default styles for xterm.js
+ */
+
+.xterm {
+    cursor: text;
+    position: relative;
+    user-select: none;
+    -ms-user-select: none;
+    -webkit-user-select: none;
+}
+
+.xterm.focus,
+.xterm:focus {
+    outline: none;
+}
+
+.xterm .xterm-helpers {
+    position: absolute;
+    top: 0;
+    /**
+     * The z-index of the helpers must be higher than the canvases in order for
+     * IMEs to appear on top.
+     */
+    z-index: 5;
+}
+
+.xterm .xterm-helper-textarea {
+    padding: 0;
+    border: 0;
+    margin: 0;
+    /* Move textarea out of the screen to the far left, so that the cursor is not visible */
+    position: absolute;
+    opacity: 0;
+    left: -9999em;
+    top: 0;
+    width: 0;
+    height: 0;
+    z-index: -5;
+    /** Prevent wrapping so the IME appears against the textarea at the correct position */
+    white-space: nowrap;
+    overflow: hidden;
+    resize: none;
+}
+
+.xterm .composition-view {
+    /* TODO: Composition position got messed up somewhere */
+    background: #000;
+    color: #FFF;
+    display: none;
+    position: absolute;
+    white-space: nowrap;
+    z-index: 1;
+}
+
+.xterm .composition-view.active {
+    display: block;
+}
+
+.xterm .xterm-viewport {
+    /* On OS X this is required in order for the scroll bar to appear fully opaque */
+    background-color: #000;
+    overflow-y: scroll;
+    cursor: default;
+    position: absolute;
+    right: 0;
+    left: 0;
+    top: 0;
+    bottom: 0;
+}
+
+.xterm .xterm-screen {
+    position: relative;
+}
+
+.xterm .xterm-screen canvas {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
+.xterm .xterm-scroll-area {
+    visibility: hidden;
+}
+
+.xterm-char-measure-element {
+    display: inline-block;
+    visibility: hidden;
+    position: absolute;
+    top: 0;
+    left: -9999em;
+    line-height: normal;
+}
+
+.xterm.enable-mouse-events {
+    /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+    cursor: default;
+}
+
+.xterm.xterm-cursor-pointer,
+.xterm .xterm-cursor-pointer {
+    cursor: pointer;
+}
+
+.xterm.column-select.focus {
+    /* Column selection mode */
+    cursor: crosshair;
+}
+
+.xterm .xterm-accessibility,
+.xterm .xterm-message {
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    z-index: 10;
+    color: transparent;
+    pointer-events: none;
+}
+
+.xterm .live-region {
+    position: absolute;
+    left: -9999px;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+}
+
+.xterm-dim {
+    /* Dim should not apply to background, so the opacity of the foreground color is applied
+     * explicitly in the generated class and reset to 1 here */
+    opacity: 1 !important;
+}
+
+.xterm-underline-1 { text-decoration: underline; }
+.xterm-underline-2 { text-decoration: double underline; }
+.xterm-underline-3 { text-decoration: wavy underline; }
+.xterm-underline-4 { text-decoration: dotted underline; }
+.xterm-underline-5 { text-decoration: dashed underline; }
+
+.xterm-overline {
+    text-decoration: overline;
+}
+
+.xterm-overline.xterm-underline-1 { text-decoration: overline underline; }
+.xterm-overline.xterm-underline-2 { text-decoration: overline double underline; }
+.xterm-overline.xterm-underline-3 { text-decoration: overline wavy underline; }
+.xterm-overline.xterm-underline-4 { text-decoration: overline dotted underline; }
+.xterm-overline.xterm-underline-5 { text-decoration: overline dashed underline; }
+
+.xterm-strikethrough {
+    text-decoration: line-through;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration {
+	z-index: 6;
+	position: absolute;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration.xterm-decoration-top-layer {
+	z-index: 7;
+}
+
+.xterm-decoration-overview-ruler {
+    z-index: 8;
+    position: absolute;
+    top: 0;
+    right: 0;
+    pointer-events: none;
+}
+
+.xterm-decoration-top {
+    z-index: 2;
+    position: relative;
+}
diff --git a/web/public/node_modules/xterm/lib/xterm.js b/web/public/node_modules/xterm/lib/xterm.js
new file mode 100644
index 000000000..a68eae6ce
--- /dev/null
+++ b/web/public/node_modules/xterm/lib/xterm.js
@@ -0,0 +1,2 @@
+!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var i=t();for(var s in i)("object"==typeof exports?exports:e)[s]=i[s]}}(self,(()=>(()=>{"use strict";var e={4567:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.AccessibilityManager=void 0;const n=i(9042),o=i(6114),a=i(9924),h=i(844),c=i(5596),l=i(4725),d=i(3656);let _=t.AccessibilityManager=class extends h.Disposable{constructor(e,t){super(),this._terminal=e,this._renderService=t,this._liveRegionLineCount=0,this._charsToConsume=[],this._charsToAnnounce="",this._accessibilityContainer=document.createElement("div"),this._accessibilityContainer.classList.add("xterm-accessibility"),this._rowContainer=document.createElement("div"),this._rowContainer.setAttribute("role","list"),this._rowContainer.classList.add("xterm-accessibility-tree"),this._rowElements=[];for(let e=0;e<this._terminal.rows;e++)this._rowElements[e]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[e]);if(this._topBoundaryFocusListener=e=>this._handleBoundaryFocus(e,0),this._bottomBoundaryFocusListener=e=>this._handleBoundaryFocus(e,1),this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions(),this._accessibilityContainer.appendChild(this._rowContainer),this._liveRegion=document.createElement("div"),this._liveRegion.classList.add("live-region"),this._liveRegion.setAttribute("aria-live","assertive"),this._accessibilityContainer.appendChild(this._liveRegion),this._liveRegionDebouncer=this.register(new a.TimeBasedDebouncer(this._renderRows.bind(this))),!this._terminal.element)throw new Error("Cannot enable accessibility before 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c.ScreenDprMonitor(window),this.register(this._screenDprMonitor),this._screenDprMonitor.setListener((()=>this._refreshRowsDimensions())),this.register((0,d.addDisposableDomListener)(window,"resize",(()=>this._refreshRowsDimensions()))),this._refreshRows(),this.register((0,h.toDisposable)((()=>{this._accessibilityContainer.remove(),this._rowElements.length=0})))}_handleTab(e){for(let t=0;t<e;t++)this._handleChar(" ")}_handleChar(e){this._liveRegionLineCount<21&&(this._charsToConsume.length>0?this._charsToConsume.shift()!==e&&(this._charsToAnnounce+=e):this._charsToAnnounce+=e,"\n"===e&&(this._liveRegionLineCount++,21===this._liveRegionLineCount&&(this._liveRegion.textContent+=n.tooMuchOutput)),o.isMac&&this._liveRegion.textContent&&this._liveRegion.textContent.length>0&&!this._liveRegion.parentNode&&setTimeout((()=>{this._accessibilityContainer.appendChild(this._liveRegion)}),0))}_clearLiveRegion(){this._liveRegion.textContent="",this._liveRegionLineCount=0,o.isMac&&this._liveRegion.remove()}_handleKey(e){this._clearLiveRegion(),/\p{Control}/u.test(e)||this._charsToConsume.push(e)}_refreshRows(e,t){this._liveRegionDebouncer.refresh(e,t,this._terminal.rows)}_renderRows(e,t){const i=this._terminal.buffer,s=i.lines.length.toString();for(let r=e;r<=t;r++){const e=i.translateBufferLineToString(i.ydisp+r,!0),t=(i.ydisp+r+1).toString(),n=this._rowElements[r];n&&(0===e.length?n.innerText=" ":n.textContent=e,n.setAttribute("aria-posinset",t),n.setAttribute("aria-setsize",s))}this._announceCharacters()}_announceCharacters(){0!==this._charsToAnnounce.length&&(this._liveRegion.textContent+=this._charsToAnnounce,this._charsToAnnounce="")}_handleBoundaryFocus(e,t){const i=e.target,s=this._rowElements[0===t?1:this._rowElements.length-2];if(i.getAttribute("aria-posinset")===(0===t?"1":`${this._terminal.buffer.lines.length}`))return;if(e.relatedTarget!==s)return;let r,n;if(0===t?(r=i,n=this._rowElements.pop(),this._rowContainer.removeChild(n)):(r=this._rowElements.shift(),n=i,this._rowContainer.removeChild(r)),r.removeEventListener("focus",this._topBoundaryFocusListener),n.removeEventListener("focus",this._bottomBoundaryFocusListener),0===t){const e=this._createAccessibilityTreeNode();this._rowElements.unshift(e),this._rowContainer.insertAdjacentElement("afterbegin",e)}else{const e=this._createAccessibilityTreeNode();this._rowElements.push(e),this._rowContainer.appendChild(e)}this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._terminal.scrollLines(0===t?-1:1),this._rowElements[0===t?1:this._rowElements.length-2].focus(),e.preventDefault(),e.stopImmediatePropagation()}_handleResize(e){this._rowElements[this._rowElements.length-1].removeEventListener("focus",this._bottomBoundaryFocusListener);for(let 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e=0;e<this._terminal.rows;e++)this._refreshRowDimensions(this._rowElements[e])}}_refreshRowDimensions(e){e.style.height=`${this._renderService.dimensions.css.cell.height}px`}};t.AccessibilityManager=_=s([r(1,l.IRenderService)],_)},3614:(e,t)=>{function i(e){return e.replace(/\r?\n/g,"\r")}function s(e,t){return t?"[200~"+e+"[201~":e}function r(e,t,r,n){e=s(e=i(e),r.decPrivateModes.bracketedPasteMode&&!0!==n.rawOptions.ignoreBracketedPasteMode),r.triggerDataEvent(e,!0),t.value=""}function n(e,t,i){const s=i.getBoundingClientRect(),r=e.clientX-s.left-10,n=e.clientY-s.top-10;t.style.width="20px",t.style.height="20px",t.style.left=`${r}px`,t.style.top=`${n}px`,t.style.zIndex="1000",t.focus()}Object.defineProperty(t,"__esModule",{value:!0}),t.rightClickHandler=t.moveTextAreaUnderMouseCursor=t.paste=t.handlePasteEvent=t.copyHandler=t.bracketTextForPaste=t.prepareTextForTerminal=void 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t=this._positionFromMouseEvent(e,this._element,this._mouseService);t&&this._mouseDownLink===this._currentLink&&this._linkAtPosition(this._currentLink.link,t)&&this._currentLink.link.activate(e,this._currentLink.link.text)}_clearCurrentLink(e,t){this._element&&this._currentLink&&this._lastMouseEvent&&(!e||!t||this._currentLink.link.range.start.y>=e&&this._currentLink.link.range.end.y<=t)&&(this._linkLeave(this._element,this._currentLink.link,this._lastMouseEvent),this._currentLink=void 0,(0,a.disposeArray)(this._linkCacheDisposables))}_handleNewLink(e){if(!this._element||!this._lastMouseEvent||!this._mouseService)return;const t=this._positionFromMouseEvent(this._lastMouseEvent,this._element,this._mouseService);t&&this._linkAtPosition(e.link,t)&&(this._currentLink=e,this._currentLink.state={decorations:{underline:void 0===e.link.decorations||e.link.decorations.underline,pointerCursor:void 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e=Math.max(this._rowStart,0),t=Math.min(this._rowEnd,this._rowCount-1);this._rowStart=void 0,this._rowEnd=void 0,this._renderCallback(e,t),this._runRefreshCallbacks()}_runRefreshCallbacks(){for(const e of this._refreshCallbacks)e(0);this._refreshCallbacks=[]}}},5596:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ScreenDprMonitor=void 0;const s=i(844);class r extends s.Disposable{constructor(e){super(),this._parentWindow=e,this._currentDevicePixelRatio=this._parentWindow.devicePixelRatio,this.register((0,s.toDisposable)((()=>{this.clearListener()})))}setListener(e){this._listener&&this.clearListener(),this._listener=e,this._outerListener=()=>{this._listener&&(this._listener(this._parentWindow.devicePixelRatio,this._currentDevicePixelRatio),this._updateDpr())},this._updateDpr()}_updateDpr(){var e;this._outerListener&&(null===(e=this._resolutionMediaMatchList)||void 0===e||e.removeListener(this._outerListener),this._currentDevicePixelRatio=this._parentWindow.devicePixelRatio,this._resolutionMediaMatchList=this._parentWindow.matchMedia(`screen and (resolution: ${this._parentWindow.devicePixelRatio}dppx)`),this._resolutionMediaMatchList.addListener(this._outerListener))}clearListener(){this._resolutionMediaMatchList&&this._listener&&this._outerListener&&(this._resolutionMediaMatchList.removeListener(this._outerListener),this._resolutionMediaMatchList=void 0,this._listener=void 0,this._outerListener=void 0)}}t.ScreenDprMonitor=r},3236:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.Terminal=void 0;const s=i(3614),r=i(3656),n=i(6465),o=i(9042),a=i(3730),h=i(1680),c=i(3107),l=i(5744),d=i(2950),_=i(1296),u=i(428),f=i(4269),v=i(5114),p=i(8934),g=i(3230),m=i(9312),S=i(4725),C=i(6731),b=i(8055),y=i(8969),w=i(8460),E=i(844),k=i(6114),L=i(8437),D=i(2584),R=i(7399),x=i(5941),A=i(9074),B=i(2585),T=i(5435),M=i(4567),O="undefined"!=typeof window?window.document:null;class P extends y.CoreTerminal{get onFocus(){return this._onFocus.event}get onBlur(){return this._onBlur.event}get onA11yChar(){return this._onA11yCharEmitter.event}get onA11yTab(){return this._onA11yTabEmitter.event}get onWillOpen(){return this._onWillOpen.event}constructor(e={}){super(e),this.browser=k,this._keyDownHandled=!1,this._keyDownSeen=!1,this._keyPressHandled=!1,this._unprocessedDeadKey=!1,this._accessibilityManager=this.register(new E.MutableDisposable),this._onCursorMove=this.register(new w.EventEmitter),this.onCursorMove=this._onCursorMove.event,this._onKey=this.register(new w.EventEmitter),this.onKey=this._onKey.event,this._onRender=this.register(new w.EventEmitter),this.onRender=this._onRender.event,this._onSelectionChange=this.register(new w.EventEmitter),this.onSelectionChange=this._onSelectionChange.event,this._onTitleChange=this.register(new w.EventEmitter),this.onTitleChange=this._onTitleChange.event,this._onBell=this.register(new w.EventEmitter),this.onBell=this._onBell.event,this._onFocus=this.register(new w.EventEmitter),this._onBlur=this.register(new w.EventEmitter),this._onA11yCharEmitter=this.register(new w.EventEmitter),this._onA11yTabEmitter=this.register(new w.EventEmitter),this._onWillOpen=this.register(new w.EventEmitter),this._setup(),this.linkifier2=this.register(this._instantiationService.createInstance(n.Linkifier2)),this.linkifier2.registerLinkProvider(this._instantiationService.createInstance(a.OscLinkProvider)),this._decorationService=this._instantiationService.createInstance(A.DecorationService),this._instantiationService.setService(B.IDecorationService,this._decorationService),this.register(this._inputHandler.onRequestBell((()=>this._onBell.fire()))),this.register(this._inputHandler.onRequestRefreshRows(((e,t)=>this.refresh(e,t)))),this.register(this._inputHandler.onRequestSendFocus((()=>this._reportFocus()))),this.register(this._inputHandler.onRequestReset((()=>this.reset()))),this.register(this._inputHandler.onRequestWindowsOptionsReport((e=>this._reportWindowsOptions(e)))),this.register(this._inputHandler.onColor((e=>this._handleColorEvent(e)))),this.register((0,w.forwardEvent)(this._inputHandler.onCursorMove,this._onCursorMove)),this.register((0,w.forwardEvent)(this._inputHandler.onTitleChange,this._onTitleChange)),this.register((0,w.forwardEvent)(this._inputHandler.onA11yChar,this._onA11yCharEmitter)),this.register((0,w.forwardEvent)(this._inputHandler.onA11yTab,this._onA11yTabEmitter)),this.register(this._bufferService.onResize((e=>this._afterResize(e.cols,e.rows)))),this.register((0,E.toDisposable)((()=>{var e,t;this._customKeyEventHandler=void 0,null===(t=null===(e=this.element)||void 0===e?void 0:e.parentNode)||void 0===t||t.removeChild(this.element)})))}_handleColorEvent(e){if(this._themeService)for(const t of e){let e,i="";switch(t.index){case 256:e="foreground",i="10";break;case 257:e="background",i="11";break;case 258:e="cursor",i="12";break;default:e="ansi",i="4;"+t.index}switch(t.type){case 0:const s=b.color.toColorRGB("ansi"===e?this._themeService.colors.ansi[t.index]:this._themeService.colors[e]);this.coreService.triggerDataEvent(`${D.C0.ESC}]${i};${(0,x.toRgbString)(s)}${D.C1_ESCAPED.ST}`);break;case 1:if("ansi"===e)this._themeService.modifyColors((e=>e.ansi[t.index]=b.rgba.toColor(...t.color)));else{const i=e;this._themeService.modifyColors((e=>e[i]=b.rgba.toColor(...t.color)))}break;case 2:this._themeService.restoreColor(t.index)}}}_setup(){super._setup(),this._customKeyEventHandler=void 0}get buffer(){return this.buffers.active}focus(){this.textarea&&this.textarea.focus({preventScroll:!0})}_handleScreenReaderModeOptionChange(e){e?!this._accessibilityManager.value&&this._renderService&&(this._accessibilityManager.value=this._instantiationService.createInstance(M.AccessibilityManager,this)):this._accessibilityManager.clear()}_handleTextAreaFocus(e){this.coreService.decPrivateModes.sendFocus&&this.coreService.triggerDataEvent(D.C0.ESC+"[I"),this.updateCursorStyle(e),this.element.classList.add("focus"),this._showCursor(),this._onFocus.fire()}blur(){var e;return null===(e=this.textarea)||void 0===e?void 0:e.blur()}_handleTextAreaBlur(){this.textarea.value="",this.refresh(this.buffer.y,this.buffer.y),this.coreService.decPrivateModes.sendFocus&&this.coreService.triggerDataEvent(D.C0.ESC+"[O"),this.element.classList.remove("focus"),this._onBlur.fire()}_syncTextArea(){if(!this.textarea||!this.buffer.isCursorInViewport||this._compositionHelper.isComposing||!this._renderService)return;const e=this.buffer.ybase+this.buffer.y,t=this.buffer.lines.get(e);if(!t)return;const i=Math.min(this.buffer.x,this.cols-1),s=this._renderService.dimensions.css.cell.height,r=t.getWidth(i),n=this._renderService.dimensions.css.cell.width*r,o=this.buffer.y*this._renderService.dimensions.css.cell.height,a=i*this._renderService.dimensions.css.cell.width;this.textarea.style.left=a+"px",this.textarea.style.top=o+"px",this.textarea.style.width=n+"px",this.textarea.style.height=s+"px",this.textarea.style.lineHeight=s+"px",this.textarea.style.zIndex="-5"}_initGlobal(){this._bindKeys(),this.register((0,r.addDisposableDomListener)(this.element,"copy",(e=>{this.hasSelection()&&(0,s.copyHandler)(e,this._selectionService)})));const e=e=>(0,s.handlePasteEvent)(e,this.textarea,this.coreService,this.optionsService);this.register((0,r.addDisposableDomListener)(this.textarea,"paste",e)),this.register((0,r.addDisposableDomListener)(this.element,"paste",e)),k.isFirefox?this.register((0,r.addDisposableDomListener)(this.element,"mousedown",(e=>{2===e.button&&(0,s.rightClickHandler)(e,this.textarea,this.screenElement,this._selectionService,this.options.rightClickSelectsWord)}))):this.register((0,r.addDisposableDomListener)(this.element,"contextmenu",(e=>{(0,s.rightClickHandler)(e,this.textarea,this.screenElement,this._selectionService,this.options.rightClickSelectsWord)}))),k.isLinux&&this.register((0,r.addDisposableDomListener)(this.element,"auxclick",(e=>{1===e.button&&(0,s.moveTextAreaUnderMouseCursor)(e,this.textarea,this.screenElement)})))}_bindKeys(){this.register((0,r.addDisposableDomListener)(this.textarea,"keyup",(e=>this._keyUp(e)),!0)),this.register((0,r.addDisposableDomListener)(this.textarea,"keydown",(e=>this._keyDown(e)),!0)),this.register((0,r.addDisposableDomListener)(this.textarea,"keypress",(e=>this._keyPress(e)),!0)),this.register((0,r.addDisposableDomListener)(this.textarea,"compositionstart",(()=>this._compositionHelper.compositionstart()))),this.register((0,r.addDisposableDomListener)(this.textarea,"compositionupdate",(e=>this._compositionHelper.compositionupdate(e)))),this.register((0,r.addDisposableDomListener)(this.textarea,"compositionend",(()=>this._compositionHelper.compositionend()))),this.register((0,r.addDisposableDomListener)(this.textarea,"input",(e=>this._inputEvent(e)),!0)),this.register(this.onRender((()=>this._compositionHelper.updateCompositionElements())))}open(e){var t;if(!e)throw new Error("Terminal requires a parent element.");e.isConnected||this._logService.debug("Terminal.open was called on an element that was not attached to the DOM"),this._document=e.ownerDocument,this.element=this._document.createElement("div"),this.element.dir="ltr",this.element.classList.add("terminal"),this.element.classList.add("xterm"),e.appendChild(this.element);const i=O.createDocumentFragment();this._viewportElement=O.createElement("div"),this._viewportElement.classList.add("xterm-viewport"),i.appendChild(this._viewportElement),this._viewportScrollArea=O.createElement("div"),this._viewportScrollArea.classList.add("xterm-scroll-area"),this._viewportElement.appendChild(this._viewportScrollArea),this.screenElement=O.createElement("div"),this.screenElement.classList.add("xterm-screen"),this._helperContainer=O.createElement("div"),this._helperContainer.classList.add("xterm-helpers"),this.screenElement.appendChild(this._helperContainer),i.appendChild(this.screenElement),this.textarea=O.createElement("textarea"),this.textarea.classList.add("xterm-helper-textarea"),this.textarea.setAttribute("aria-label",o.promptLabel),k.isChromeOS||this.textarea.setAttribute("aria-multiline","false"),this.textarea.setAttribute("autocorrect","off"),this.textarea.setAttribute("autocapitalize","off"),this.textarea.setAttribute("spellcheck","false"),this.textarea.tabIndex=0,this._coreBrowserService=this._instantiationService.createInstance(v.CoreBrowserService,this.textarea,null!==(t=this._document.defaultView)&&void 0!==t?t:window),this._instantiationService.setService(S.ICoreBrowserService,this._coreBrowserService),this.register((0,r.addDisposableDomListener)(this.textarea,"focus",(e=>this._handleTextAreaFocus(e)))),this.register((0,r.addDisposableDomListener)(this.textarea,"blur",(()=>this._handleTextAreaBlur()))),this._helperContainer.appendChild(this.textarea),this._charSizeService=this._instantiationService.createInstance(u.CharSizeService,this._document,this._helperContainer),this._instantiationService.setService(S.ICharSizeService,this._charSizeService),this._themeService=this._instantiationService.createInstance(C.ThemeService),this._instantiationService.setService(S.IThemeService,this._themeService),this._characterJoinerService=this._instantiationService.createInstance(f.CharacterJoinerService),this._instantiationService.setService(S.ICharacterJoinerService,this._characterJoinerService),this._renderService=this.register(this._instantiationService.createInstance(g.RenderService,this.rows,this.screenElement)),this._instantiationService.setService(S.IRenderService,this._renderService),this.register(this._renderService.onRenderedViewportChange((e=>this._onRender.fire(e)))),this.onResize((e=>this._renderService.resize(e.cols,e.rows))),this._compositionView=O.createElement("div"),this._compositionView.classList.add("composition-view"),this._compositionHelper=this._instantiationService.createInstance(d.CompositionHelper,this.textarea,this._compositionView),this._helperContainer.appendChild(this._compositionView),this.element.appendChild(i);try{this._onWillOpen.fire(this.element)}catch(e){}this._renderService.hasRenderer()||this._renderService.setRenderer(this._createRenderer()),this._mouseService=this._instantiationService.createInstance(p.MouseService),this._instantiationService.setService(S.IMouseService,this._mouseService),this.viewport=this._instantiationService.createInstance(h.Viewport,this._viewportElement,this._viewportScrollArea),this.viewport.onRequestScrollLines((e=>this.scrollLines(e.amount,e.suppressScrollEvent,1))),this.register(this._inputHandler.onRequestSyncScrollBar((()=>this.viewport.syncScrollArea()))),this.register(this.viewport),this.register(this.onCursorMove((()=>{this._renderService.handleCursorMove(),this._syncTextArea()}))),this.register(this.onResize((()=>this._renderService.handleResize(this.cols,this.rows)))),this.register(this.onBlur((()=>this._renderService.handleBlur()))),this.register(this.onFocus((()=>this._renderService.handleFocus()))),this.register(this._renderService.onDimensionsChange((()=>this.viewport.syncScrollArea()))),this._selectionService=this.register(this._instantiationService.createInstance(m.SelectionService,this.element,this.screenElement,this.linkifier2)),this._instantiationService.setService(S.ISelectionService,this._selectionService),this.register(this._selectionService.onRequestScrollLines((e=>this.scrollLines(e.amount,e.suppressScrollEvent)))),this.register(this._selectionService.onSelectionChange((()=>this._onSelectionChange.fire()))),this.register(this._selectionService.onRequestRedraw((e=>this._renderService.handleSelectionChanged(e.start,e.end,e.columnSelectMode)))),this.register(this._selectionService.onLinuxMouseSelection((e=>{this.textarea.value=e,this.textarea.focus(),this.textarea.select()}))),this.register(this._onScroll.event((e=>{this.viewport.syncScrollArea(),this._selectionService.refresh()}))),this.register((0,r.addDisposableDomListener)(this._viewportElement,"scroll",(()=>this._selectionService.refresh()))),this.linkifier2.attachToDom(this.screenElement,this._mouseService,this._renderService),this.register(this._instantiationService.createInstance(c.BufferDecorationRenderer,this.screenElement)),this.register((0,r.addDisposableDomListener)(this.element,"mousedown",(e=>this._selectionService.handleMouseDown(e)))),this.coreMouseService.areMouseEventsActive?(this._selectionService.disable(),this.element.classList.add("enable-mouse-events")):this._selectionService.enable(),this.options.screenReaderMode&&(this._accessibilityManager.value=this._instantiationService.createInstance(M.AccessibilityManager,this)),this.register(this.optionsService.onSpecificOptionChange("screenReaderMode",(e=>this._handleScreenReaderModeOptionChange(e)))),this.options.overviewRulerWidth&&(this._overviewRulerRenderer=this.register(this._instantiationService.createInstance(l.OverviewRulerRenderer,this._viewportElement,this.screenElement))),this.optionsService.onSpecificOptionChange("overviewRulerWidth",(e=>{!this._overviewRulerRenderer&&e&&this._viewportElement&&this.screenElement&&(this._overviewRulerRenderer=this.register(this._instantiationService.createInstance(l.OverviewRulerRenderer,this._viewportElement,this.screenElement)))})),this._charSizeService.measure(),this.refresh(0,this.rows-1),this._initGlobal(),this.bindMouse()}_createRenderer(){return this._instantiationService.createInstance(_.DomRenderer,this.element,this.screenElement,this._viewportElement,this.linkifier2)}bindMouse(){const e=this,t=this.element;function i(t){const i=e._mouseService.getMouseReportCoords(t,e.screenElement);if(!i)return!1;let s,r;switch(t.overrideType||t.type){case"mousemove":r=32,void 0===t.buttons?(s=3,void 0!==t.button&&(s=t.button<3?t.button:3)):s=1&t.buttons?0:4&t.buttons?1:2&t.buttons?2:3;break;case"mouseup":r=0,s=t.button<3?t.button:3;break;case"mousedown":r=1,s=t.button<3?t.button:3;break;case"wheel":if(0===e.viewport.getLinesScrolled(t))return!1;r=t.deltaY<0?0:1,s=4;break;default:return!1}return!(void 0===r||void 0===s||s>4)&&e.coreMouseService.triggerMouseEvent({col:i.col,row:i.row,x:i.x,y:i.y,button:s,action:r,ctrl:t.ctrlKey,alt:t.altKey,shift:t.shiftKey})}const s={mouseup:null,wheel:null,mousedrag:null,mousemove:null},n={mouseup:e=>(i(e),e.buttons||(this._document.removeEventListener("mouseup",s.mouseup),s.mousedrag&&this._document.removeEventListener("mousemove",s.mousedrag)),this.cancel(e)),wheel:e=>(i(e),this.cancel(e,!0)),mousedrag:e=>{e.buttons&&i(e)},mousemove:e=>{e.buttons||i(e)}};this.register(this.coreMouseService.onProtocolChange((e=>{e?("debug"===this.optionsService.rawOptions.logLevel&&this._logService.debug("Binding to mouse events:",this.coreMouseService.explainEvents(e)),this.element.classList.add("enable-mouse-events"),this._selectionService.disable()):(this._logService.debug("Unbinding from mouse events."),this.element.classList.remove("enable-mouse-events"),this._selectionService.enable()),8&e?s.mousemove||(t.addEventListener("mousemove",n.mousemove),s.mousemove=n.mousemove):(t.removeEventListener("mousemove",s.mousemove),s.mousemove=null),16&e?s.wheel||(t.addEventListener("wheel",n.wheel,{passive:!1}),s.wheel=n.wheel):(t.removeEventListener("wheel",s.wheel),s.wheel=null),2&e?s.mouseup||(t.addEventListener("mouseup",n.mouseup),s.mouseup=n.mouseup):(this._document.removeEventListener("mouseup",s.mouseup),t.removeEventListener("mouseup",s.mouseup),s.mouseup=null),4&e?s.mousedrag||(s.mousedrag=n.mousedrag):(this._document.removeEventListener("mousemove",s.mousedrag),s.mousedrag=null)}))),this.coreMouseService.activeProtocol=this.coreMouseService.activeProtocol,this.register((0,r.addDisposableDomListener)(t,"mousedown",(e=>{if(e.preventDefault(),this.focus(),this.coreMouseService.areMouseEventsActive&&!this._selectionService.shouldForceSelection(e))return i(e),s.mouseup&&this._document.addEventListener("mouseup",s.mouseup),s.mousedrag&&this._document.addEventListener("mousemove",s.mousedrag),this.cancel(e)}))),this.register((0,r.addDisposableDomListener)(t,"wheel",(e=>{if(!s.wheel){if(!this.buffer.hasScrollback){const t=this.viewport.getLinesScrolled(e);if(0===t)return;const i=D.C0.ESC+(this.coreService.decPrivateModes.applicationCursorKeys?"O":"[")+(e.deltaY<0?"A":"B");let s="";for(let e=0;e<Math.abs(t);e++)s+=i;return this.coreService.triggerDataEvent(s,!0),this.cancel(e,!0)}return this.viewport.handleWheel(e)?this.cancel(e):void 0}}),{passive:!1})),this.register((0,r.addDisposableDomListener)(t,"touchstart",(e=>{if(!this.coreMouseService.areMouseEventsActive)return this.viewport.handleTouchStart(e),this.cancel(e)}),{passive:!0})),this.register((0,r.addDisposableDomListener)(t,"touchmove",(e=>{if(!this.coreMouseService.areMouseEventsActive)return this.viewport.handleTouchMove(e)?void 0:this.cancel(e)}),{passive:!1}))}refresh(e,t){var i;null===(i=this._renderService)||void 0===i||i.refreshRows(e,t)}updateCursorStyle(e){var t;(null===(t=this._selectionService)||void 0===t?void 0:t.shouldColumnSelect(e))?this.element.classList.add("column-select"):this.element.classList.remove("column-select")}_showCursor(){this.coreService.isCursorInitialized||(this.coreService.isCursorInitialized=!0,this.refresh(this.buffer.y,this.buffer.y))}scrollLines(e,t,i=0){var s;1===i?(super.scrollLines(e,t,i),this.refresh(0,this.rows-1)):null===(s=this.viewport)||void 0===s||s.scrollLines(e)}paste(e){(0,s.paste)(e,this.textarea,this.coreService,this.optionsService)}attachCustomKeyEventHandler(e){this._customKeyEventHandler=e}registerLinkProvider(e){return this.linkifier2.registerLinkProvider(e)}registerCharacterJoiner(e){if(!this._characterJoinerService)throw new Error("Terminal must be opened first");const t=this._characterJoinerService.register(e);return this.refresh(0,this.rows-1),t}deregisterCharacterJoiner(e){if(!this._characterJoinerService)throw new Error("Terminal must be opened first");this._characterJoinerService.deregister(e)&&this.refresh(0,this.rows-1)}get markers(){return this.buffer.markers}registerMarker(e){return this.buffer.addMarker(this.buffer.ybase+this.buffer.y+e)}registerDecoration(e){return this._decorationService.registerDecoration(e)}hasSelection(){return!!this._selectionService&&this._selectionService.hasSelection}select(e,t,i){this._selectionService.setSelection(e,t,i)}getSelection(){return this._selectionService?this._selectionService.selectionText:""}getSelectionPosition(){if(this._selectionService&&this._selectionService.hasSelection)return{start:{x:this._selectionService.selectionStart[0],y:this._selectionService.selectionStart[1]},end:{x:this._selectionService.selectionEnd[0],y:this._selectionService.selectionEnd[1]}}}clearSelection(){var e;null===(e=this._selectionService)||void 0===e||e.clearSelection()}selectAll(){var e;null===(e=this._selectionService)||void 0===e||e.selectAll()}selectLines(e,t){var i;null===(i=this._selectionService)||void 0===i||i.selectLines(e,t)}_keyDown(e){if(this._keyDownHandled=!1,this._keyDownSeen=!0,this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;const t=this.browser.isMac&&this.options.macOptionIsMeta&&e.altKey;if(!t&&!this._compositionHelper.keydown(e))return this.options.scrollOnUserInput&&this.buffer.ybase!==this.buffer.ydisp&&this.scrollToBottom(),!1;t||"Dead"!==e.key&&"AltGraph"!==e.key||(this._unprocessedDeadKey=!0);const i=(0,R.evaluateKeyboardEvent)(e,this.coreService.decPrivateModes.applicationCursorKeys,this.browser.isMac,this.options.macOptionIsMeta);if(this.updateCursorStyle(e),3===i.type||2===i.type){const t=this.rows-1;return this.scrollLines(2===i.type?-t:t),this.cancel(e,!0)}return 1===i.type&&this.selectAll(),!!this._isThirdLevelShift(this.browser,e)||(i.cancel&&this.cancel(e,!0),!i.key||!!(e.key&&!e.ctrlKey&&!e.altKey&&!e.metaKey&&1===e.key.length&&e.key.charCodeAt(0)>=65&&e.key.charCodeAt(0)<=90)||(this._unprocessedDeadKey?(this._unprocessedDeadKey=!1,!0):(i.key!==D.C0.ETX&&i.key!==D.C0.CR||(this.textarea.value=""),this._onKey.fire({key:i.key,domEvent:e}),this._showCursor(),this.coreService.triggerDataEvent(i.key,!0),!this.optionsService.rawOptions.screenReaderMode||e.altKey||e.ctrlKey?this.cancel(e,!0):void(this._keyDownHandled=!0))))}_isThirdLevelShift(e,t){const i=e.isMac&&!this.options.macOptionIsMeta&&t.altKey&&!t.ctrlKey&&!t.metaKey||e.isWindows&&t.altKey&&t.ctrlKey&&!t.metaKey||e.isWindows&&t.getModifierState("AltGraph");return"keypress"===t.type?i:i&&(!t.keyCode||t.keyCode>47)}_keyUp(e){this._keyDownSeen=!1,this._customKeyEventHandler&&!1===this._customKeyEventHandler(e)||(function(e){return 16===e.keyCode||17===e.keyCode||18===e.keyCode}(e)||this.focus(),this.updateCursorStyle(e),this._keyPressHandled=!1)}_keyPress(e){let t;if(this._keyPressHandled=!1,this._keyDownHandled)return!1;if(this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(this.cancel(e),e.charCode)t=e.charCode;else if(null===e.which||void 0===e.which)t=e.keyCode;else{if(0===e.which||0===e.charCode)return!1;t=e.which}return!(!t||(e.altKey||e.ctrlKey||e.metaKey)&&!this._isThirdLevelShift(this.browser,e)||(t=String.fromCharCode(t),this._onKey.fire({key:t,domEvent:e}),this._showCursor(),this.coreService.triggerDataEvent(t,!0),this._keyPressHandled=!0,this._unprocessedDeadKey=!1,0))}_inputEvent(e){if(e.data&&"insertText"===e.inputType&&(!e.composed||!this._keyDownSeen)&&!this.optionsService.rawOptions.screenReaderMode){if(this._keyPressHandled)return!1;this._unprocessedDeadKey=!1;const t=e.data;return this.coreService.triggerDataEvent(t,!0),this.cancel(e),!0}return!1}resize(e,t){e!==this.cols||t!==this.rows?super.resize(e,t):this._charSizeService&&!this._charSizeService.hasValidSize&&this._charSizeService.measure()}_afterResize(e,t){var i,s;null===(i=this._charSizeService)||void 0===i||i.measure(),null===(s=this.viewport)||void 0===s||s.syncScrollArea(!0)}clear(){var e;if(0!==this.buffer.ybase||0!==this.buffer.y){this.buffer.clearAllMarkers(),this.buffer.lines.set(0,this.buffer.lines.get(this.buffer.ybase+this.buffer.y)),this.buffer.lines.length=1,this.buffer.ydisp=0,this.buffer.ybase=0,this.buffer.y=0;for(let e=1;e<this.rows;e++)this.buffer.lines.push(this.buffer.getBlankLine(L.DEFAULT_ATTR_DATA));this._onScroll.fire({position:this.buffer.ydisp,source:0}),null===(e=this.viewport)||void 0===e||e.reset(),this.refresh(0,this.rows-1)}}reset(){var e,t;this.options.rows=this.rows,this.options.cols=this.cols;const i=this._customKeyEventHandler;this._setup(),super.reset(),null===(e=this._selectionService)||void 0===e||e.reset(),this._decorationService.reset(),null===(t=this.viewport)||void 0===t||t.reset(),this._customKeyEventHandler=i,this.refresh(0,this.rows-1)}clearTextureAtlas(){var e;null===(e=this._renderService)||void 0===e||e.clearTextureAtlas()}_reportFocus(){var e;(null===(e=this.element)||void 0===e?void 0:e.classList.contains("focus"))?this.coreService.triggerDataEvent(D.C0.ESC+"[I"):this.coreService.triggerDataEvent(D.C0.ESC+"[O")}_reportWindowsOptions(e){if(this._renderService)switch(e){case T.WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:const e=this._renderService.dimensions.css.canvas.width.toFixed(0),t=this._renderService.dimensions.css.canvas.height.toFixed(0);this.coreService.triggerDataEvent(`${D.C0.ESC}[4;${t};${e}t`);break;case T.WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:const i=this._renderService.dimensions.css.cell.width.toFixed(0),s=this._renderService.dimensions.css.cell.height.toFixed(0);this.coreService.triggerDataEvent(`${D.C0.ESC}[6;${s};${i}t`)}}cancel(e,t){if(this.options.cancelEvents||t)return e.preventDefault(),e.stopPropagation(),!1}}t.Terminal=P},9924:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.TimeBasedDebouncer=void 0,t.TimeBasedDebouncer=class{constructor(e,t=1e3){this._renderCallback=e,this._debounceThresholdMS=t,this._lastRefreshMs=0,this._additionalRefreshRequested=!1}dispose(){this._refreshTimeoutID&&clearTimeout(this._refreshTimeoutID)}refresh(e,t,i){this._rowCount=i,e=void 0!==e?e:0,t=void 0!==t?t:this._rowCount-1,this._rowStart=void 0!==this._rowStart?Math.min(this._rowStart,e):e,this._rowEnd=void 0!==this._rowEnd?Math.max(this._rowEnd,t):t;const s=Date.now();if(s-this._lastRefreshMs>=this._debounceThresholdMS)this._lastRefreshMs=s,this._innerRefresh();else if(!this._additionalRefreshRequested){const e=s-this._lastRefreshMs,t=this._debounceThresholdMS-e;this._additionalRefreshRequested=!0,this._refreshTimeoutID=window.setTimeout((()=>{this._lastRefreshMs=Date.now(),this._innerRefresh(),this._additionalRefreshRequested=!1,this._refreshTimeoutID=void 0}),t)}}_innerRefresh(){if(void 0===this._rowStart||void 0===this._rowEnd||void 0===this._rowCount)return;const e=Math.max(this._rowStart,0),t=Math.min(this._rowEnd,this._rowCount-1);this._rowStart=void 0,this._rowEnd=void 0,this._renderCallback(e,t)}}},1680:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.Viewport=void 0;const n=i(3656),o=i(4725),a=i(8460),h=i(844),c=i(2585);let l=t.Viewport=class extends h.Disposable{constructor(e,t,i,s,r,o,h,c){super(),this._viewportElement=e,this._scrollArea=t,this._bufferService=i,this._optionsService=s,this._charSizeService=r,this._renderService=o,this._coreBrowserService=h,this.scrollBarWidth=0,this._currentRowHeight=0,this._currentDeviceCellHeight=0,this._lastRecordedBufferLength=0,this._lastRecordedViewportHeight=0,this._lastRecordedBufferHeight=0,this._lastTouchY=0,this._lastScrollTop=0,this._wheelPartialScroll=0,this._refreshAnimationFrame=null,this._ignoreNextScrollEvent=!1,this._smoothScrollState={startTime:0,origin:-1,target:-1},this._onRequestScrollLines=this.register(new a.EventEmitter),this.onRequestScrollLines=this._onRequestScrollLines.event,this.scrollBarWidth=this._viewportElement.offsetWidth-this._scrollArea.offsetWidth||15,this.register((0,n.addDisposableDomListener)(this._viewportElement,"scroll",this._handleScroll.bind(this))),this._activeBuffer=this._bufferService.buffer,this.register(this._bufferService.buffers.onBufferActivate((e=>this._activeBuffer=e.activeBuffer))),this._renderDimensions=this._renderService.dimensions,this.register(this._renderService.onDimensionsChange((e=>this._renderDimensions=e))),this._handleThemeChange(c.colors),this.register(c.onChangeColors((e=>this._handleThemeChange(e)))),this.register(this._optionsService.onSpecificOptionChange("scrollback",(()=>this.syncScrollArea()))),setTimeout((()=>this.syncScrollArea()))}_handleThemeChange(e){this._viewportElement.style.backgroundColor=e.background.css}reset(){this._currentRowHeight=0,this._currentDeviceCellHeight=0,this._lastRecordedBufferLength=0,this._lastRecordedViewportHeight=0,this._lastRecordedBufferHeight=0,this._lastTouchY=0,this._lastScrollTop=0,this._coreBrowserService.window.requestAnimationFrame((()=>this.syncScrollArea()))}_refresh(e){if(e)return this._innerRefresh(),void(null!==this._refreshAnimationFrame&&this._coreBrowserService.window.cancelAnimationFrame(this._refreshAnimationFrame));null===this._refreshAnimationFrame&&(this._refreshAnimationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._innerRefresh())))}_innerRefresh(){if(this._charSizeService.height>0){this._currentRowHeight=this._renderService.dimensions.device.cell.height/this._coreBrowserService.dpr,this._currentDeviceCellHeight=this._renderService.dimensions.device.cell.height,this._lastRecordedViewportHeight=this._viewportElement.offsetHeight;const e=Math.round(this._currentRowHeight*this._lastRecordedBufferLength)+(this._lastRecordedViewportHeight-this._renderService.dimensions.css.canvas.height);this._lastRecordedBufferHeight!==e&&(this._lastRecordedBufferHeight=e,this._scrollArea.style.height=this._lastRecordedBufferHeight+"px")}const e=this._bufferService.buffer.ydisp*this._currentRowHeight;this._viewportElement.scrollTop!==e&&(this._ignoreNextScrollEvent=!0,this._viewportElement.scrollTop=e),this._refreshAnimationFrame=null}syncScrollArea(e=!1){if(this._lastRecordedBufferLength!==this._bufferService.buffer.lines.length)return this._lastRecordedBufferLength=this._bufferService.buffer.lines.length,void this._refresh(e);this._lastRecordedViewportHeight===this._renderService.dimensions.css.canvas.height&&this._lastScrollTop===this._activeBuffer.ydisp*this._currentRowHeight&&this._renderDimensions.device.cell.height===this._currentDeviceCellHeight||this._refresh(e)}_handleScroll(e){if(this._lastScrollTop=this._viewportElement.scrollTop,!this._viewportElement.offsetParent)return;if(this._ignoreNextScrollEvent)return this._ignoreNextScrollEvent=!1,void this._onRequestScrollLines.fire({amount:0,suppressScrollEvent:!0});const t=Math.round(this._lastScrollTop/this._currentRowHeight)-this._bufferService.buffer.ydisp;this._onRequestScrollLines.fire({amount:t,suppressScrollEvent:!0})}_smoothScroll(){if(this._isDisposed||-1===this._smoothScrollState.origin||-1===this._smoothScrollState.target)return;const e=this._smoothScrollPercent();this._viewportElement.scrollTop=this._smoothScrollState.origin+Math.round(e*(this._smoothScrollState.target-this._smoothScrollState.origin)),e<1?this._coreBrowserService.window.requestAnimationFrame((()=>this._smoothScroll())):this._clearSmoothScrollState()}_smoothScrollPercent(){return this._optionsService.rawOptions.smoothScrollDuration&&this._smoothScrollState.startTime?Math.max(Math.min((Date.now()-this._smoothScrollState.startTime)/this._optionsService.rawOptions.smoothScrollDuration,1),0):1}_clearSmoothScrollState(){this._smoothScrollState.startTime=0,this._smoothScrollState.origin=-1,this._smoothScrollState.target=-1}_bubbleScroll(e,t){const i=this._viewportElement.scrollTop+this._lastRecordedViewportHeight;return!(t<0&&0!==this._viewportElement.scrollTop||t>0&&i<this._lastRecordedBufferHeight)||(e.cancelable&&e.preventDefault(),!1)}handleWheel(e){const t=this._getPixelsScrolled(e);return 0!==t&&(this._optionsService.rawOptions.smoothScrollDuration?(this._smoothScrollState.startTime=Date.now(),this._smoothScrollPercent()<1?(this._smoothScrollState.origin=this._viewportElement.scrollTop,-1===this._smoothScrollState.target?this._smoothScrollState.target=this._viewportElement.scrollTop+t:this._smoothScrollState.target+=t,this._smoothScrollState.target=Math.max(Math.min(this._smoothScrollState.target,this._viewportElement.scrollHeight),0),this._smoothScroll()):this._clearSmoothScrollState()):this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))}scrollLines(e){if(0!==e)if(this._optionsService.rawOptions.smoothScrollDuration){const t=e*this._currentRowHeight;this._smoothScrollState.startTime=Date.now(),this._smoothScrollPercent()<1?(this._smoothScrollState.origin=this._viewportElement.scrollTop,this._smoothScrollState.target=this._smoothScrollState.origin+t,this._smoothScrollState.target=Math.max(Math.min(this._smoothScrollState.target,this._viewportElement.scrollHeight),0),this._smoothScroll()):this._clearSmoothScrollState()}else this._onRequestScrollLines.fire({amount:e,suppressScrollEvent:!1})}_getPixelsScrolled(e){if(0===e.deltaY||e.shiftKey)return 0;let t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_LINE?t*=this._currentRowHeight:e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._currentRowHeight*this._bufferService.rows),t}getBufferElements(e,t){var i;let s,r="";const n=[],o=null!=t?t:this._bufferService.buffer.lines.length,a=this._bufferService.buffer.lines;for(let t=e;t<o;t++){const e=a.get(t);if(!e)continue;const o=null===(i=a.get(t+1))||void 0===i?void 0:i.isWrapped;if(r+=e.translateToString(!o),!o||t===a.length-1){const e=document.createElement("div");e.textContent=r,n.push(e),r.length>0&&(s=e),r=""}}return{bufferElements:n,cursorElement:s}}getLinesScrolled(e){if(0===e.deltaY||e.shiftKey)return 0;let t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_PIXEL?(t/=this._currentRowHeight+0,this._wheelPartialScroll+=t,t=Math.floor(Math.abs(this._wheelPartialScroll))*(this._wheelPartialScroll>0?1:-1),this._wheelPartialScroll%=1):e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._bufferService.rows),t}_applyScrollModifier(e,t){const i=this._optionsService.rawOptions.fastScrollModifier;return"alt"===i&&t.altKey||"ctrl"===i&&t.ctrlKey||"shift"===i&&t.shiftKey?e*this._optionsService.rawOptions.fastScrollSensitivity*this._optionsService.rawOptions.scrollSensitivity:e*this._optionsService.rawOptions.scrollSensitivity}handleTouchStart(e){this._lastTouchY=e.touches[0].pageY}handleTouchMove(e){const t=this._lastTouchY-e.touches[0].pageY;return this._lastTouchY=e.touches[0].pageY,0!==t&&(this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))}};t.Viewport=l=s([r(2,c.IBufferService),r(3,c.IOptionsService),r(4,o.ICharSizeService),r(5,o.IRenderService),r(6,o.ICoreBrowserService),r(7,o.IThemeService)],l)},3107:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.BufferDecorationRenderer=void 0;const n=i(3656),o=i(4725),a=i(844),h=i(2585);let c=t.BufferDecorationRenderer=class extends a.Disposable{constructor(e,t,i,s){super(),this._screenElement=e,this._bufferService=t,this._decorationService=i,this._renderService=s,this._decorationElements=new Map,this._altBufferIsActive=!1,this._dimensionsChanged=!1,this._container=document.createElement("div"),this._container.classList.add("xterm-decoration-container"),this._screenElement.appendChild(this._container),this.register(this._renderService.onRenderedViewportChange((()=>this._doRefreshDecorations()))),this.register(this._renderService.onDimensionsChange((()=>{this._dimensionsChanged=!0,this._queueRefresh()}))),this.register((0,n.addDisposableDomListener)(window,"resize",(()=>this._queueRefresh()))),this.register(this._bufferService.buffers.onBufferActivate((()=>{this._altBufferIsActive=this._bufferService.buffer===this._bufferService.buffers.alt}))),this.register(this._decorationService.onDecorationRegistered((()=>this._queueRefresh()))),this.register(this._decorationService.onDecorationRemoved((e=>this._removeDecoration(e)))),this.register((0,a.toDisposable)((()=>{this._container.remove(),this._decorationElements.clear()})))}_queueRefresh(){void 0===this._animationFrame&&(this._animationFrame=this._renderService.addRefreshCallback((()=>{this._doRefreshDecorations(),this._animationFrame=void 0})))}_doRefreshDecorations(){for(const e of this._decorationService.decorations)this._renderDecoration(e);this._dimensionsChanged=!1}_renderDecoration(e){this._refreshStyle(e),this._dimensionsChanged&&this._refreshXPosition(e)}_createElement(e){var t,i;const s=document.createElement("div");s.classList.add("xterm-decoration"),s.classList.toggle("xterm-decoration-top-layer","top"===(null===(t=null==e?void 0:e.options)||void 0===t?void 0:t.layer)),s.style.width=`${Math.round((e.options.width||1)*this._renderService.dimensions.css.cell.width)}px`,s.style.height=(e.options.height||1)*this._renderService.dimensions.css.cell.height+"px",s.style.top=(e.marker.line-this._bufferService.buffers.active.ydisp)*this._renderService.dimensions.css.cell.height+"px",s.style.lineHeight=`${this._renderService.dimensions.css.cell.height}px`;const r=null!==(i=e.options.x)&&void 0!==i?i:0;return r&&r>this._bufferService.cols&&(s.style.display="none"),this._refreshXPosition(e,s),s}_refreshStyle(e){const t=e.marker.line-this._bufferService.buffers.active.ydisp;if(t<0||t>=this._bufferService.rows)e.element&&(e.element.style.display="none",e.onRenderEmitter.fire(e.element));else{let i=this._decorationElements.get(e);i||(i=this._createElement(e),e.element=i,this._decorationElements.set(e,i),this._container.appendChild(i),e.onDispose((()=>{this._decorationElements.delete(e),i.remove()}))),i.style.top=t*this._renderService.dimensions.css.cell.height+"px",i.style.display=this._altBufferIsActive?"none":"block",e.onRenderEmitter.fire(i)}}_refreshXPosition(e,t=e.element){var i;if(!t)return;const s=null!==(i=e.options.x)&&void 0!==i?i:0;"right"===(e.options.anchor||"left")?t.style.right=s?s*this._renderService.dimensions.css.cell.width+"px":"":t.style.left=s?s*this._renderService.dimensions.css.cell.width+"px":""}_removeDecoration(e){var t;null===(t=this._decorationElements.get(e))||void 0===t||t.remove(),this._decorationElements.delete(e),e.dispose()}};t.BufferDecorationRenderer=c=s([r(1,h.IBufferService),r(2,h.IDecorationService),r(3,o.IRenderService)],c)},5871:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ColorZoneStore=void 0,t.ColorZoneStore=class{constructor(){this._zones=[],this._zonePool=[],this._zonePoolIndex=0,this._linePadding={full:0,left:0,center:0,right:0}}get zones(){return this._zonePool.length=Math.min(this._zonePool.length,this._zones.length),this._zones}clear(){this._zones.length=0,this._zonePoolIndex=0}addDecoration(e){if(e.options.overviewRulerOptions){for(const t of this._zones)if(t.color===e.options.overviewRulerOptions.color&&t.position===e.options.overviewRulerOptions.position){if(this._lineIntersectsZone(t,e.marker.line))return;if(this._lineAdjacentToZone(t,e.marker.line,e.options.overviewRulerOptions.position))return void this._addLineToZone(t,e.marker.line)}if(this._zonePoolIndex<this._zonePool.length)return this._zonePool[this._zonePoolIndex].color=e.options.overviewRulerOptions.color,this._zonePool[this._zonePoolIndex].position=e.options.overviewRulerOptions.position,this._zonePool[this._zonePoolIndex].startBufferLine=e.marker.line,this._zonePool[this._zonePoolIndex].endBufferLine=e.marker.line,void this._zones.push(this._zonePool[this._zonePoolIndex++]);this._zones.push({color:e.options.overviewRulerOptions.color,position:e.options.overviewRulerOptions.position,startBufferLine:e.marker.line,endBufferLine:e.marker.line}),this._zonePool.push(this._zones[this._zones.length-1]),this._zonePoolIndex++}}setPadding(e){this._linePadding=e}_lineIntersectsZone(e,t){return t>=e.startBufferLine&&t<=e.endBufferLine}_lineAdjacentToZone(e,t,i){return t>=e.startBufferLine-this._linePadding[i||"full"]&&t<=e.endBufferLine+this._linePadding[i||"full"]}_addLineToZone(e,t){e.startBufferLine=Math.min(e.startBufferLine,t),e.endBufferLine=Math.max(e.endBufferLine,t)}}},5744:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.OverviewRulerRenderer=void 0;const n=i(5871),o=i(3656),a=i(4725),h=i(844),c=i(2585),l={full:0,left:0,center:0,right:0},d={full:0,left:0,center:0,right:0},_={full:0,left:0,center:0,right:0};let u=t.OverviewRulerRenderer=class extends h.Disposable{get _width(){return this._optionsService.options.overviewRulerWidth||0}constructor(e,t,i,s,r,o,a){var c;super(),this._viewportElement=e,this._screenElement=t,this._bufferService=i,this._decorationService=s,this._renderService=r,this._optionsService=o,this._coreBrowseService=a,this._colorZoneStore=new n.ColorZoneStore,this._shouldUpdateDimensions=!0,this._shouldUpdateAnchor=!0,this._lastKnownBufferLength=0,this._canvas=document.createElement("canvas"),this._canvas.classList.add("xterm-decoration-overview-ruler"),this._refreshCanvasDimensions(),null===(c=this._viewportElement.parentElement)||void 0===c||c.insertBefore(this._canvas,this._viewportElement);const l=this._canvas.getContext("2d");if(!l)throw new Error("Ctx cannot be null");this._ctx=l,this._registerDecorationListeners(),this._registerBufferChangeListeners(),this._registerDimensionChangeListeners(),this.register((0,h.toDisposable)((()=>{var e;null===(e=this._canvas)||void 0===e||e.remove()})))}_registerDecorationListeners(){this.register(this._decorationService.onDecorationRegistered((()=>this._queueRefresh(void 0,!0)))),this.register(this._decorationService.onDecorationRemoved((()=>this._queueRefresh(void 0,!0))))}_registerBufferChangeListeners(){this.register(this._renderService.onRenderedViewportChange((()=>this._queueRefresh()))),this.register(this._bufferService.buffers.onBufferActivate((()=>{this._canvas.style.display=this._bufferService.buffer===this._bufferService.buffers.alt?"none":"block"}))),this.register(this._bufferService.onScroll((()=>{this._lastKnownBufferLength!==this._bufferService.buffers.normal.lines.length&&(this._refreshDrawHeightConstants(),this._refreshColorZonePadding())})))}_registerDimensionChangeListeners(){this.register(this._renderService.onRender((()=>{this._containerHeight&&this._containerHeight===this._screenElement.clientHeight||(this._queueRefresh(!0),this._containerHeight=this._screenElement.clientHeight)}))),this.register(this._optionsService.onSpecificOptionChange("overviewRulerWidth",(()=>this._queueRefresh(!0)))),this.register((0,o.addDisposableDomListener)(this._coreBrowseService.window,"resize",(()=>this._queueRefresh(!0)))),this._queueRefresh(!0)}_refreshDrawConstants(){const e=Math.floor(this._canvas.width/3),t=Math.ceil(this._canvas.width/3);d.full=this._canvas.width,d.left=e,d.center=t,d.right=e,this._refreshDrawHeightConstants(),_.full=0,_.left=0,_.center=d.left,_.right=d.left+d.center}_refreshDrawHeightConstants(){l.full=Math.round(2*this._coreBrowseService.dpr);const e=this._canvas.height/this._bufferService.buffer.lines.length,t=Math.round(Math.max(Math.min(e,12),6)*this._coreBrowseService.dpr);l.left=t,l.center=t,l.right=t}_refreshColorZonePadding(){this._colorZoneStore.setPadding({full:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*l.full),left:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*l.left),center:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*l.center),right:Math.floor(this._bufferService.buffers.active.lines.length/(this._canvas.height-1)*l.right)}),this._lastKnownBufferLength=this._bufferService.buffers.normal.lines.length}_refreshCanvasDimensions(){this._canvas.style.width=`${this._width}px`,this._canvas.width=Math.round(this._width*this._coreBrowseService.dpr),this._canvas.style.height=`${this._screenElement.clientHeight}px`,this._canvas.height=Math.round(this._screenElement.clientHeight*this._coreBrowseService.dpr),this._refreshDrawConstants(),this._refreshColorZonePadding()}_refreshDecorations(){this._shouldUpdateDimensions&&this._refreshCanvasDimensions(),this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height),this._colorZoneStore.clear();for(const e of this._decorationService.decorations)this._colorZoneStore.addDecoration(e);this._ctx.lineWidth=1;const e=this._colorZoneStore.zones;for(const t of e)"full"!==t.position&&this._renderColorZone(t);for(const t of e)"full"===t.position&&this._renderColorZone(t);this._shouldUpdateDimensions=!1,this._shouldUpdateAnchor=!1}_renderColorZone(e){this._ctx.fillStyle=e.color,this._ctx.fillRect(_[e.position||"full"],Math.round((this._canvas.height-1)*(e.startBufferLine/this._bufferService.buffers.active.lines.length)-l[e.position||"full"]/2),d[e.position||"full"],Math.round((this._canvas.height-1)*((e.endBufferLine-e.startBufferLine)/this._bufferService.buffers.active.lines.length)+l[e.position||"full"]))}_queueRefresh(e,t){this._shouldUpdateDimensions=e||this._shouldUpdateDimensions,this._shouldUpdateAnchor=t||this._shouldUpdateAnchor,void 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e=this._coreBrowserService.dpr;this.dimensions.device.char.width=this._charSizeService.width*e,this.dimensions.device.char.height=Math.ceil(this._charSizeService.height*e),this.dimensions.device.cell.width=this.dimensions.device.char.width+Math.round(this._optionsService.rawOptions.letterSpacing),this.dimensions.device.cell.height=Math.floor(this.dimensions.device.char.height*this._optionsService.rawOptions.lineHeight),this.dimensions.device.char.left=0,this.dimensions.device.char.top=0,this.dimensions.device.canvas.width=this.dimensions.device.cell.width*this._bufferService.cols,this.dimensions.device.canvas.height=this.dimensions.device.cell.height*this._bufferService.rows,this.dimensions.css.canvas.width=Math.round(this.dimensions.device.canvas.width/e),this.dimensions.css.canvas.height=Math.round(this.dimensions.device.canvas.height/e),this.dimensions.css.cell.width=this.dimensions.css.canvas.width/this._bufferService.cols,this.dimensions.css.cell.height=this.dimensions.css.canvas.height/this._bufferService.rows;for(const 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n=i(3656),o=i(6193),a=i(5596),h=i(4725),c=i(8460),l=i(844),d=i(7226),_=i(2585);let u=t.RenderService=class extends l.Disposable{get dimensions(){return this._renderer.value.dimensions}constructor(e,t,i,s,r,h,_,u){if(super(),this._rowCount=e,this._charSizeService=s,this._renderer=this.register(new l.MutableDisposable),this._pausedResizeTask=new d.DebouncedIdleTask,this._isPaused=!1,this._needsFullRefresh=!1,this._isNextRenderRedrawOnly=!0,this._needsSelectionRefresh=!1,this._canvasWidth=0,this._canvasHeight=0,this._selectionState={start:void 0,end:void 0,columnSelectMode:!1},this._onDimensionsChange=this.register(new c.EventEmitter),this.onDimensionsChange=this._onDimensionsChange.event,this._onRenderedViewportChange=this.register(new c.EventEmitter),this.onRenderedViewportChange=this._onRenderedViewportChange.event,this._onRender=this.register(new c.EventEmitter),this.onRender=this._onRender.event,this._onRefreshRequest=this.register(new c.EventEmitter),this.onRefreshRequest=this._onRefreshRequest.event,this._renderDebouncer=new o.RenderDebouncer(_.window,((e,t)=>this._renderRows(e,t))),this.register(this._renderDebouncer),this._screenDprMonitor=new a.ScreenDprMonitor(_.window),this._screenDprMonitor.setListener((()=>this.handleDevicePixelRatioChange())),this.register(this._screenDprMonitor),this.register(h.onResize((()=>this._fullRefresh()))),this.register(h.buffers.onBufferActivate((()=>{var e;return null===(e=this._renderer.value)||void 0===e?void 0:e.clear()}))),this.register(i.onOptionChange((()=>this._handleOptionsChanged()))),this.register(this._charSizeService.onCharSizeChange((()=>this.handleCharSizeChanged()))),this.register(r.onDecorationRegistered((()=>this._fullRefresh()))),this.register(r.onDecorationRemoved((()=>this._fullRefresh()))),this.register(i.onMultipleOptionChange(["customGlyphs","drawBoldTextInBrightColors","letterSpacing","lineHeight","fontFamily","fontSize","fontWeight","fontWeightBold","minimumContrastRatio"],(()=>{this.clear(),this.handleResize(h.cols,h.rows),this._fullRefresh()}))),this.register(i.onMultipleOptionChange(["cursorBlink","cursorStyle"],(()=>this.refreshRows(h.buffer.y,h.buffer.y,!0)))),this.register((0,n.addDisposableDomListener)(_.window,"resize",(()=>this.handleDevicePixelRatioChange()))),this.register(u.onChangeColors((()=>this._fullRefresh()))),"IntersectionObserver"in _.window){const e=new _.window.IntersectionObserver((e=>this._handleIntersectionChange(e[e.length-1])),{threshold:0});e.observe(t),this.register({dispose:()=>e.disconnect()})}}_handleIntersectionChange(e){this._isPaused=void 0===e.isIntersecting?0===e.intersectionRatio:!e.isIntersecting,this._isPaused||this._charSizeService.hasValidSize||this._charSizeService.measure(),!this._isPaused&&this._needsFullRefresh&&(this._pausedResizeTask.flush(),this.refreshRows(0,this._rowCount-1),this._needsFullRefresh=!1)}refreshRows(e,t,i=!1){this._isPaused?this._needsFullRefresh=!0:(i||(this._isNextRenderRedrawOnly=!1),this._renderDebouncer.refresh(e,t,this._rowCount))}_renderRows(e,t){this._renderer.value&&(e=Math.min(e,this._rowCount-1),t=Math.min(t,this._rowCount-1),this._renderer.value.renderRows(e,t),this._needsSelectionRefresh&&(this._renderer.value.handleSelectionChanged(this._selectionState.start,this._selectionState.end,this._selectionState.columnSelectMode),this._needsSelectionRefresh=!1),this._isNextRenderRedrawOnly||this._onRenderedViewportChange.fire({start:e,end:t}),this._onRender.fire({start:e,end:t}),this._isNextRenderRedrawOnly=!0)}resize(e,t){this._rowCount=t,this._fireOnCanvasResize()}_handleOptionsChanged(){this._renderer.value&&(this.refreshRows(0,this._rowCount-1),this._fireOnCanvasResize())}_fireOnCanvasResize(){this._renderer.value&&(this._renderer.value.dimensions.css.canvas.width===this._canvasWidth&&this._renderer.value.dimensions.css.canvas.height===this._canvasHeight||this._onDimensionsChange.fire(this._renderer.value.dimensions))}hasRenderer(){return!!this._renderer.value}setRenderer(e){this._renderer.value=e,this._renderer.value.onRequestRedraw((e=>this.refreshRows(e.start,e.end,!0))),this._needsSelectionRefresh=!0,this._fullRefresh()}addRefreshCallback(e){return this._renderDebouncer.addRefreshCallback(e)}_fullRefresh(){this._isPaused?this._needsFullRefresh=!0:this.refreshRows(0,this._rowCount-1)}clearTextureAtlas(){var e,t;this._renderer.value&&(null===(t=(e=this._renderer.value).clearTextureAtlas)||void 0===t||t.call(e),this._fullRefresh())}handleDevicePixelRatioChange(){this._charSizeService.measure(),this._renderer.value&&(this._renderer.value.handleDevicePixelRatioChange(),this.refreshRows(0,this._rowCount-1))}handleResize(e,t){this._renderer.value&&(this._isPaused?this._pausedResizeTask.set((()=>this._renderer.value.handleResize(e,t))):this._renderer.value.handleResize(e,t),this._fullRefresh())}handleCharSizeChanged(){var e;null===(e=this._renderer.value)||void 0===e||e.handleCharSizeChanged()}handleBlur(){var e;null===(e=this._renderer.value)||void 0===e||e.handleBlur()}handleFocus(){var e;null===(e=this._renderer.value)||void 0===e||e.handleFocus()}handleSelectionChanged(e,t,i){var s;this._selectionState.start=e,this._selectionState.end=t,this._selectionState.columnSelectMode=i,null===(s=this._renderer.value)||void 0===s||s.handleSelectionChanged(e,t,i)}handleCursorMove(){var e;null===(e=this._renderer.value)||void 0===e||e.handleCursorMove()}clear(){var e;null===(e=this._renderer.value)||void 0===e||e.clear()}};t.RenderService=u=s([r(2,_.IOptionsService),r(3,h.ICharSizeService),r(4,_.IDecorationService),r(5,_.IBufferService),r(6,h.ICoreBrowserService),r(7,h.IThemeService)],u)},9312:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.SelectionService=void 0;const n=i(9806),o=i(9504),a=i(456),h=i(4725),c=i(8460),l=i(844),d=i(6114),_=i(4841),u=i(511),f=i(2585),v=String.fromCharCode(160),p=new RegExp(v,"g");let g=t.SelectionService=class extends l.Disposable{constructor(e,t,i,s,r,n,o,h,d){super(),this._element=e,this._screenElement=t,this._linkifier=i,this._bufferService=s,this._coreService=r,this._mouseService=n,this._optionsService=o,this._renderService=h,this._coreBrowserService=d,this._dragScrollAmount=0,this._enabled=!0,this._workCell=new u.CellData,this._mouseDownTimeStamp=0,this._oldHasSelection=!1,this._oldSelectionStart=void 0,this._oldSelectionEnd=void 0,this._onLinuxMouseSelection=this.register(new c.EventEmitter),this.onLinuxMouseSelection=this._onLinuxMouseSelection.event,this._onRedrawRequest=this.register(new c.EventEmitter),this.onRequestRedraw=this._onRedrawRequest.event,this._onSelectionChange=this.register(new c.EventEmitter),this.onSelectionChange=this._onSelectionChange.event,this._onRequestScrollLines=this.register(new c.EventEmitter),this.onRequestScrollLines=this._onRequestScrollLines.event,this._mouseMoveListener=e=>this._handleMouseMove(e),this._mouseUpListener=e=>this._handleMouseUp(e),this._coreService.onUserInput((()=>{this.hasSelection&&this.clearSelection()})),this._trimListener=this._bufferService.buffer.lines.onTrim((e=>this._handleTrim(e))),this.register(this._bufferService.buffers.onBufferActivate((e=>this._handleBufferActivate(e)))),this.enable(),this._model=new a.SelectionModel(this._bufferService),this._activeSelectionMode=0,this.register((0,l.toDisposable)((()=>{this._removeMouseDownListeners()})))}reset(){this.clearSelection()}disable(){this.clearSelection(),this._enabled=!1}enable(){this._enabled=!0}get selectionStart(){return this._model.finalSelectionStart}get selectionEnd(){return this._model.finalSelectionEnd}get hasSelection(){const e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;return!(!e||!t||e[0]===t[0]&&e[1]===t[1])}get selectionText(){const e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;if(!e||!t)return"";const i=this._bufferService.buffer,s=[];if(3===this._activeSelectionMode){if(e[0]===t[0])return"";const r=e[0]<t[0]?e[0]:t[0],n=e[0]<t[0]?t[0]:e[0];for(let o=e[1];o<=t[1];o++){const e=i.translateBufferLineToString(o,!0,r,n);s.push(e)}}else{const r=e[1]===t[1]?t[0]:void 0;s.push(i.translateBufferLineToString(e[1],!0,e[0],r));for(let r=e[1]+1;r<=t[1]-1;r++){const e=i.lines.get(r),t=i.translateBufferLineToString(r,!0);(null==e?void 0:e.isWrapped)?s[s.length-1]+=t:s.push(t)}if(e[1]!==t[1]){const e=i.lines.get(t[1]),r=i.translateBufferLineToString(t[1],!0,0,t[0]);e&&e.isWrapped?s[s.length-1]+=r:s.push(r)}}return s.map((e=>e.replace(p," "))).join(d.isWindows?"\r\n":"\n")}clearSelection(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()}refresh(e){this._refreshAnimationFrame||(this._refreshAnimationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._refresh()))),d.isLinux&&e&&this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText)}_refresh(){this._refreshAnimationFrame=void 0,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:3===this._activeSelectionMode})}_isClickInSelection(e){const t=this._getMouseBufferCoords(e),i=this._model.finalSelectionStart,s=this._model.finalSelectionEnd;return!!(i&&s&&t)&&this._areCoordsInSelection(t,i,s)}isCellInSelection(e,t){const i=this._model.finalSelectionStart,s=this._model.finalSelectionEnd;return!(!i||!s)&&this._areCoordsInSelection([e,t],i,s)}_areCoordsInSelection(e,t,i){return e[1]>t[1]&&e[1]<i[1]||t[1]===i[1]&&e[1]===t[1]&&e[0]>=t[0]&&e[0]<i[0]||t[1]<i[1]&&e[1]===i[1]&&e[0]<i[0]||t[1]<i[1]&&e[1]===t[1]&&e[0]>=t[0]}_selectWordAtCursor(e,t){var i,s;const r=null===(s=null===(i=this._linkifier.currentLink)||void 0===i?void 0:i.link)||void 0===s?void 0:s.range;if(r)return this._model.selectionStart=[r.start.x-1,r.start.y-1],this._model.selectionStartLength=(0,_.getRangeLength)(r,this._bufferService.cols),this._model.selectionEnd=void 0,!0;const n=this._getMouseBufferCoords(e);return!!n&&(this._selectWordAt(n,t),this._model.selectionEnd=void 0,!0)}selectAll(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()}selectLines(e,t){this._model.clearSelection(),e=Math.max(e,0),t=Math.min(t,this._bufferService.buffer.lines.length-1),this._model.selectionStart=[0,e],this._model.selectionEnd=[this._bufferService.cols,t],this.refresh(),this._onSelectionChange.fire()}_handleTrim(e){this._model.handleTrim(e)&&this.refresh()}_getMouseBufferCoords(e){const t=this._mouseService.getCoords(e,this._screenElement,this._bufferService.cols,this._bufferService.rows,!0);if(t)return t[0]--,t[1]--,t[1]+=this._bufferService.buffer.ydisp,t}_getMouseEventScrollAmount(e){let t=(0,n.getCoordsRelativeToElement)(this._coreBrowserService.window,e,this._screenElement)[1];const i=this._renderService.dimensions.css.canvas.height;return t>=0&&t<=i?0:(t>i&&(t-=i),t=Math.min(Math.max(t,-50),50),t/=50,t/Math.abs(t)+Math.round(14*t))}shouldForceSelection(e){return d.isMac?e.altKey&&this._optionsService.rawOptions.macOptionClickForcesSelection:e.shiftKey}handleMouseDown(e){if(this._mouseDownTimeStamp=e.timeStamp,(2!==e.button||!this.hasSelection)&&0===e.button){if(!this._enabled){if(!this.shouldForceSelection(e))return;e.stopPropagation()}e.preventDefault(),this._dragScrollAmount=0,this._enabled&&e.shiftKey?this._handleIncrementalClick(e):1===e.detail?this._handleSingleClick(e):2===e.detail?this._handleDoubleClick(e):3===e.detail&&this._handleTripleClick(e),this._addMouseDownListeners(),this.refresh(!0)}}_addMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.addEventListener("mouseup",this._mouseUpListener)),this._dragScrollIntervalTimer=this._coreBrowserService.window.setInterval((()=>this._dragScroll()),50)}_removeMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=void 0}_handleIncrementalClick(e){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(e))}_handleSingleClick(e){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(e)?3:0,this._model.selectionStart=this._getMouseBufferCoords(e),!this._model.selectionStart)return;this._model.selectionEnd=void 0;const t=this._bufferService.buffer.lines.get(this._model.selectionStart[1]);t&&t.length!==this._model.selectionStart[0]&&0===t.hasWidth(this._model.selectionStart[0])&&this._model.selectionStart[0]++}_handleDoubleClick(e){this._selectWordAtCursor(e,!0)&&(this._activeSelectionMode=1)}_handleTripleClick(e){const t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=2,this._selectLineAt(t[1]))}shouldColumnSelect(e){return e.altKey&&!(d.isMac&&this._optionsService.rawOptions.macOptionClickForcesSelection)}_handleMouseMove(e){if(e.stopImmediatePropagation(),!this._model.selectionStart)return;const t=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;if(this._model.selectionEnd=this._getMouseBufferCoords(e),!this._model.selectionEnd)return void this.refresh(!0);2===this._activeSelectionMode?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._bufferService.cols:1===this._activeSelectionMode&&this._selectToWordAt(this._model.selectionEnd),this._dragScrollAmount=this._getMouseEventScrollAmount(e),3!==this._activeSelectionMode&&(this._dragScrollAmount>0?this._model.selectionEnd[0]=this._bufferService.cols:this._dragScrollAmount<0&&(this._model.selectionEnd[0]=0));const i=this._bufferService.buffer;if(this._model.selectionEnd[1]<i.lines.length){const e=i.lines.get(this._model.selectionEnd[1]);e&&0===e.hasWidth(this._model.selectionEnd[0])&&this._model.selectionEnd[0]++}t&&t[0]===this._model.selectionEnd[0]&&t[1]===this._model.selectionEnd[1]||this.refresh(!0)}_dragScroll(){if(this._model.selectionEnd&&this._model.selectionStart&&this._dragScrollAmount){this._onRequestScrollLines.fire({amount:this._dragScrollAmount,suppressScrollEvent:!1});const e=this._bufferService.buffer;this._dragScrollAmount>0?(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=this._bufferService.cols),this._model.selectionEnd[1]=Math.min(e.ydisp+this._bufferService.rows,e.lines.length-1)):(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=0),this._model.selectionEnd[1]=e.ydisp),this.refresh()}}_handleMouseUp(e){const t=e.timeStamp-this._mouseDownTimeStamp;if(this._removeMouseDownListeners(),this.selectionText.length<=1&&t<500&&e.altKey&&this._optionsService.rawOptions.altClickMovesCursor){if(this._bufferService.buffer.ybase===this._bufferService.buffer.ydisp){const t=this._mouseService.getCoords(e,this._element,this._bufferService.cols,this._bufferService.rows,!1);if(t&&void 0!==t[0]&&void 0!==t[1]){const e=(0,o.moveToCellSequence)(t[0]-1,t[1]-1,this._bufferService,this._coreService.decPrivateModes.applicationCursorKeys);this._coreService.triggerDataEvent(e,!0)}}}else this._fireEventIfSelectionChanged()}_fireEventIfSelectionChanged(){const e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd,i=!(!e||!t||e[0]===t[0]&&e[1]===t[1]);i?e&&t&&(this._oldSelectionStart&&this._oldSelectionEnd&&e[0]===this._oldSelectionStart[0]&&e[1]===this._oldSelectionStart[1]&&t[0]===this._oldSelectionEnd[0]&&t[1]===this._oldSelectionEnd[1]||this._fireOnSelectionChange(e,t,i)):this._oldHasSelection&&this._fireOnSelectionChange(e,t,i)}_fireOnSelectionChange(e,t,i){this._oldSelectionStart=e,this._oldSelectionEnd=t,this._oldHasSelection=i,this._onSelectionChange.fire()}_handleBufferActivate(e){this.clearSelection(),this._trimListener.dispose(),this._trimListener=e.activeBuffer.lines.onTrim((e=>this._handleTrim(e)))}_convertViewportColToCharacterIndex(e,t){let i=t;for(let s=0;t>=s;s++){const r=e.loadCell(s,this._workCell).getChars().length;0===this._workCell.getWidth()?i--:r>1&&t!==s&&(i+=r-1)}return i}setSelection(e,t,i){this._model.clearSelection(),this._removeMouseDownListeners(),this._model.selectionStart=[e,t],this._model.selectionStartLength=i,this.refresh(),this._fireEventIfSelectionChanged()}rightClickSelect(e){this._isClickInSelection(e)||(this._selectWordAtCursor(e,!1)&&this.refresh(!0),this._fireEventIfSelectionChanged())}_getWordAt(e,t,i=!0,s=!0){if(e[0]>=this._bufferService.cols)return;const r=this._bufferService.buffer,n=r.lines.get(e[1]);if(!n)return;const o=r.translateBufferLineToString(e[1],!1);let a=this._convertViewportColToCharacterIndex(n,e[0]),h=a;const c=e[0]-a;let l=0,d=0,_=0,u=0;if(" "===o.charAt(a)){for(;a>0&&" "===o.charAt(a-1);)a--;for(;h<o.length&&" "===o.charAt(h+1);)h++}else{let t=e[0],i=e[0];0===n.getWidth(t)&&(l++,t--),2===n.getWidth(i)&&(d++,i++);const s=n.getString(i).length;for(s>1&&(u+=s-1,h+=s-1);t>0&&a>0&&!this._isCharWordSeparator(n.loadCell(t-1,this._workCell));){n.loadCell(t-1,this._workCell);const e=this._workCell.getChars().length;0===this._workCell.getWidth()?(l++,t--):e>1&&(_+=e-1,a-=e-1),a--,t--}for(;i<n.length&&h+1<o.length&&!this._isCharWordSeparator(n.loadCell(i+1,this._workCell));){n.loadCell(i+1,this._workCell);const e=this._workCell.getChars().length;2===this._workCell.getWidth()?(d++,i++):e>1&&(u+=e-1,h+=e-1),h++,i++}}h++;let f=a+c-l+_,v=Math.min(this._bufferService.cols,h-a+l+d-_-u);if(t||""!==o.slice(a,h).trim()){if(i&&0===f&&32!==n.getCodePoint(0)){const t=r.lines.get(e[1]-1);if(t&&n.isWrapped&&32!==t.getCodePoint(this._bufferService.cols-1)){const t=this._getWordAt([this._bufferService.cols-1,e[1]-1],!1,!0,!1);if(t){const e=this._bufferService.cols-t.start;f-=e,v+=e}}}if(s&&f+v===this._bufferService.cols&&32!==n.getCodePoint(this._bufferService.cols-1)){const t=r.lines.get(e[1]+1);if((null==t?void 0:t.isWrapped)&&32!==t.getCodePoint(0)){const t=this._getWordAt([0,e[1]+1],!1,!1,!0);t&&(v+=t.length)}}return{start:f,length:v}}}_selectWordAt(e,t){const i=this._getWordAt(e,t);if(i){for(;i.start<0;)i.start+=this._bufferService.cols,e[1]--;this._model.selectionStart=[i.start,e[1]],this._model.selectionStartLength=i.length}}_selectToWordAt(e){const t=this._getWordAt(e,!0);if(t){let i=e[1];for(;t.start<0;)t.start+=this._bufferService.cols,i--;if(!this._model.areSelectionValuesReversed())for(;t.start+t.length>this._bufferService.cols;)t.length-=this._bufferService.cols,i++;this._model.selectionEnd=[this._model.areSelectionValuesReversed()?t.start:t.start+t.length,i]}}_isCharWordSeparator(e){return 0!==e.getWidth()&&this._optionsService.rawOptions.wordSeparator.indexOf(e.getChars())>=0}_selectLineAt(e){const t=this._bufferService.buffer.getWrappedRangeForLine(e),i={start:{x:0,y:t.first},end:{x:this._bufferService.cols-1,y:t.last}};this._model.selectionStart=[0,t.first],this._model.selectionEnd=void 0,this._model.selectionStartLength=(0,_.getRangeLength)(i,this._bufferService.cols)}};t.SelectionService=g=s([r(3,f.IBufferService),r(4,f.ICoreService),r(5,h.IMouseService),r(6,f.IOptionsService),r(7,h.IRenderService),r(8,h.ICoreBrowserService)],g)},4725:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.IThemeService=t.ICharacterJoinerService=t.ISelectionService=t.IRenderService=t.IMouseService=t.ICoreBrowserService=t.ICharSizeService=void 0;const s=i(8343);t.ICharSizeService=(0,s.createDecorator)("CharSizeService"),t.ICoreBrowserService=(0,s.createDecorator)("CoreBrowserService"),t.IMouseService=(0,s.createDecorator)("MouseService"),t.IRenderService=(0,s.createDecorator)("RenderService"),t.ISelectionService=(0,s.createDecorator)("SelectionService"),t.ICharacterJoinerService=(0,s.createDecorator)("CharacterJoinerService"),t.IThemeService=(0,s.createDecorator)("ThemeService")},6731:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.ThemeService=t.DEFAULT_ANSI_COLORS=void 0;const n=i(7239),o=i(8055),a=i(8460),h=i(844),c=i(2585),l=o.css.toColor("#ffffff"),d=o.css.toColor("#000000"),_=o.css.toColor("#ffffff"),u=o.css.toColor("#000000"),f={css:"rgba(255, 255, 255, 0.3)",rgba:4294967117};t.DEFAULT_ANSI_COLORS=Object.freeze((()=>{const e=[o.css.toColor("#2e3436"),o.css.toColor("#cc0000"),o.css.toColor("#4e9a06"),o.css.toColor("#c4a000"),o.css.toColor("#3465a4"),o.css.toColor("#75507b"),o.css.toColor("#06989a"),o.css.toColor("#d3d7cf"),o.css.toColor("#555753"),o.css.toColor("#ef2929"),o.css.toColor("#8ae234"),o.css.toColor("#fce94f"),o.css.toColor("#729fcf"),o.css.toColor("#ad7fa8"),o.css.toColor("#34e2e2"),o.css.toColor("#eeeeec")],t=[0,95,135,175,215,255];for(let i=0;i<216;i++){const s=t[i/36%6|0],r=t[i/6%6|0],n=t[i%6];e.push({css:o.channels.toCss(s,r,n),rgba:o.channels.toRgba(s,r,n)})}for(let t=0;t<24;t++){const i=8+10*t;e.push({css:o.channels.toCss(i,i,i),rgba:o.channels.toRgba(i,i,i)})}return e})());let v=t.ThemeService=class extends h.Disposable{get colors(){return this._colors}constructor(e){super(),this._optionsService=e,this._contrastCache=new n.ColorContrastCache,this._halfContrastCache=new n.ColorContrastCache,this._onChangeColors=this.register(new a.EventEmitter),this.onChangeColors=this._onChangeColors.event,this._colors={foreground:l,background:d,cursor:_,cursorAccent:u,selectionForeground:void 0,selectionBackgroundTransparent:f,selectionBackgroundOpaque:o.color.blend(d,f),selectionInactiveBackgroundTransparent:f,selectionInactiveBackgroundOpaque:o.color.blend(d,f),ansi:t.DEFAULT_ANSI_COLORS.slice(),contrastCache:this._contrastCache,halfContrastCache:this._halfContrastCache},this._updateRestoreColors(),this._setTheme(this._optionsService.rawOptions.theme),this.register(this._optionsService.onSpecificOptionChange("minimumContrastRatio",(()=>this._contrastCache.clear()))),this.register(this._optionsService.onSpecificOptionChange("theme",(()=>this._setTheme(this._optionsService.rawOptions.theme))))}_setTheme(e={}){const i=this._colors;if(i.foreground=p(e.foreground,l),i.background=p(e.background,d),i.cursor=p(e.cursor,_),i.cursorAccent=p(e.cursorAccent,u),i.selectionBackgroundTransparent=p(e.selectionBackground,f),i.selectionBackgroundOpaque=o.color.blend(i.background,i.selectionBackgroundTransparent),i.selectionInactiveBackgroundTransparent=p(e.selectionInactiveBackground,i.selectionBackgroundTransparent),i.selectionInactiveBackgroundOpaque=o.color.blend(i.background,i.selectionInactiveBackgroundTransparent),i.selectionForeground=e.selectionForeground?p(e.selectionForeground,o.NULL_COLOR):void 0,i.selectionForeground===o.NULL_COLOR&&(i.selectionForeground=void 0),o.color.isOpaque(i.selectionBackgroundTransparent)){const e=.3;i.selectionBackgroundTransparent=o.color.opacity(i.selectionBackgroundTransparent,e)}if(o.color.isOpaque(i.selectionInactiveBackgroundTransparent)){const e=.3;i.selectionInactiveBackgroundTransparent=o.color.opacity(i.selectionInactiveBackgroundTransparent,e)}if(i.ansi=t.DEFAULT_ANSI_COLORS.slice(),i.ansi[0]=p(e.black,t.DEFAULT_ANSI_COLORS[0]),i.ansi[1]=p(e.red,t.DEFAULT_ANSI_COLORS[1]),i.ansi[2]=p(e.green,t.DEFAULT_ANSI_COLORS[2]),i.ansi[3]=p(e.yellow,t.DEFAULT_ANSI_COLORS[3]),i.ansi[4]=p(e.blue,t.DEFAULT_ANSI_COLORS[4]),i.ansi[5]=p(e.magenta,t.DEFAULT_ANSI_COLORS[5]),i.ansi[6]=p(e.cyan,t.DEFAULT_ANSI_COLORS[6]),i.ansi[7]=p(e.white,t.DEFAULT_ANSI_COLORS[7]),i.ansi[8]=p(e.brightBlack,t.DEFAULT_ANSI_COLORS[8]),i.ansi[9]=p(e.brightRed,t.DEFAULT_ANSI_COLORS[9]),i.ansi[10]=p(e.brightGreen,t.DEFAULT_ANSI_COLORS[10]),i.ansi[11]=p(e.brightYellow,t.DEFAULT_ANSI_COLORS[11]),i.ansi[12]=p(e.brightBlue,t.DEFAULT_ANSI_COLORS[12]),i.ansi[13]=p(e.brightMagenta,t.DEFAULT_ANSI_COLORS[13]),i.ansi[14]=p(e.brightCyan,t.DEFAULT_ANSI_COLORS[14]),i.ansi[15]=p(e.brightWhite,t.DEFAULT_ANSI_COLORS[15]),e.extendedAnsi){const s=Math.min(i.ansi.length-16,e.extendedAnsi.length);for(let r=0;r<s;r++)i.ansi[r+16]=p(e.extendedAnsi[r],t.DEFAULT_ANSI_COLORS[r+16])}this._contrastCache.clear(),this._halfContrastCache.clear(),this._updateRestoreColors(),this._onChangeColors.fire(this.colors)}restoreColor(e){this._restoreColor(e),this._onChangeColors.fire(this.colors)}_restoreColor(e){if(void 0!==e)switch(e){case 256:this._colors.foreground=this._restoreColors.foreground;break;case 257:this._colors.background=this._restoreColors.background;break;case 258:this._colors.cursor=this._restoreColors.cursor;break;default:this._colors.ansi[e]=this._restoreColors.ansi[e]}else for(let e=0;e<this._restoreColors.ansi.length;++e)this._colors.ansi[e]=this._restoreColors.ansi[e]}modifyColors(e){e(this._colors),this._onChangeColors.fire(this.colors)}_updateRestoreColors(){this._restoreColors={foreground:this._colors.foreground,background:this._colors.background,cursor:this._colors.cursor,ansi:this._colors.ansi.slice()}}};function p(e,t){if(void 0!==e)try{return o.css.toColor(e)}catch(e){}return t}t.ThemeService=v=s([r(0,c.IOptionsService)],v)},6349:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.CircularList=void 0;const s=i(8460),r=i(844);class n extends r.Disposable{constructor(e){super(),this._maxLength=e,this.onDeleteEmitter=this.register(new s.EventEmitter),this.onDelete=this.onDeleteEmitter.event,this.onInsertEmitter=this.register(new s.EventEmitter),this.onInsert=this.onInsertEmitter.event,this.onTrimEmitter=this.register(new s.EventEmitter),this.onTrim=this.onTrimEmitter.event,this._array=new Array(this._maxLength),this._startIndex=0,this._length=0}get maxLength(){return this._maxLength}set maxLength(e){if(this._maxLength===e)return;const t=new Array(e);for(let i=0;i<Math.min(e,this.length);i++)t[i]=this._array[this._getCyclicIndex(i)];this._array=t,this._maxLength=e,this._startIndex=0}get length(){return this._length}set length(e){if(e>this._length)for(let t=this._length;t<e;t++)this._array[t]=void 0;this._length=e}get(e){return this._array[this._getCyclicIndex(e)]}set(e,t){this._array[this._getCyclicIndex(e)]=t}push(e){this._array[this._getCyclicIndex(this._length)]=e,this._length===this._maxLength?(this._startIndex=++this._startIndex%this._maxLength,this.onTrimEmitter.fire(1)):this._length++}recycle(){if(this._length!==this._maxLength)throw new Error("Can only recycle when the buffer is full");return this._startIndex=++this._startIndex%this._maxLength,this.onTrimEmitter.fire(1),this._array[this._getCyclicIndex(this._length-1)]}get isFull(){return this._length===this._maxLength}pop(){return this._array[this._getCyclicIndex(this._length---1)]}splice(e,t,...i){if(t){for(let i=e;i<this._length-t;i++)this._array[this._getCyclicIndex(i)]=this._array[this._getCyclicIndex(i+t)];this._length-=t,this.onDeleteEmitter.fire({index:e,amount:t})}for(let t=this._length-1;t>=e;t--)this._array[this._getCyclicIndex(t+i.length)]=this._array[this._getCyclicIndex(t)];for(let t=0;t<i.length;t++)this._array[this._getCyclicIndex(e+t)]=i[t];if(i.length&&this.onInsertEmitter.fire({index:e,amount:i.length}),this._length+i.length>this._maxLength){const e=this._length+i.length-this._maxLength;this._startIndex+=e,this._length=this._maxLength,this.onTrimEmitter.fire(e)}else this._length+=i.length}trimStart(e){e>this._length&&(e=this._length),this._startIndex+=e,this._length-=e,this.onTrimEmitter.fire(e)}shiftElements(e,t,i){if(!(t<=0)){if(e<0||e>=this._length)throw new Error("start argument out of range");if(e+i<0)throw new Error("Cannot shift elements in list beyond index 0");if(i>0){for(let s=t-1;s>=0;s--)this.set(e+s+i,this.get(e+s));const s=e+t+i-this._length;if(s>0)for(this._length+=s;this._length>this._maxLength;)this._length--,this._startIndex++,this.onTrimEmitter.fire(1)}else for(let s=0;s<t;s++)this.set(e+s+i,this.get(e+s))}}_getCyclicIndex(e){return(this._startIndex+e)%this._maxLength}}t.CircularList=n},1439:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.clone=void 0,t.clone=function e(t,i=5){if("object"!=typeof t)return t;const s=Array.isArray(t)?[]:{};for(const r in t)s[r]=i<=1?t[r]:t[r]&&e(t[r],i-1);return s}},8055:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.contrastRatio=t.toPaddedHex=t.rgba=t.rgb=t.css=t.color=t.channels=t.NULL_COLOR=void 0;const s=i(6114);let r=0,n=0,o=0,a=0;var h,c,l,d,_;function u(e){const t=e.toString(16);return t.length<2?"0"+t:t}function f(e,t){return e<t?(t+.05)/(e+.05):(e+.05)/(t+.05)}t.NULL_COLOR={css:"#00000000",rgba:0},function(e){e.toCss=function(e,t,i,s){return void 0!==s?`#${u(e)}${u(t)}${u(i)}${u(s)}`:`#${u(e)}${u(t)}${u(i)}`},e.toRgba=function(e,t,i,s=255){return(e<<24|t<<16|i<<8|s)>>>0}}(h||(t.channels=h={})),function(e){function t(e,t){return a=Math.round(255*t),[r,n,o]=_.toChannels(e.rgba),{css:h.toCss(r,n,o,a),rgba:h.toRgba(r,n,o,a)}}e.blend=function(e,t){if(a=(255&t.rgba)/255,1===a)return{css:t.css,rgba:t.rgba};const i=t.rgba>>24&255,s=t.rgba>>16&255,c=t.rgba>>8&255,l=e.rgba>>24&255,d=e.rgba>>16&255,_=e.rgba>>8&255;return r=l+Math.round((i-l)*a),n=d+Math.round((s-d)*a),o=_+Math.round((c-_)*a),{css:h.toCss(r,n,o),rgba:h.toRgba(r,n,o)}},e.isOpaque=function(e){return 255==(255&e.rgba)},e.ensureContrastRatio=function(e,t,i){const s=_.ensureContrastRatio(e.rgba,t.rgba,i);if(s)return _.toColor(s>>24&255,s>>16&255,s>>8&255)},e.opaque=function(e){const t=(255|e.rgba)>>>0;return[r,n,o]=_.toChannels(t),{css:h.toCss(r,n,o),rgba:t}},e.opacity=t,e.multiplyOpacity=function(e,i){return a=255&e.rgba,t(e,a*i/255)},e.toColorRGB=function(e){return[e.rgba>>24&255,e.rgba>>16&255,e.rgba>>8&255]}}(c||(t.color=c={})),function(e){let t,i;if(!s.isNode){const e=document.createElement("canvas");e.width=1,e.height=1;const s=e.getContext("2d",{willReadFrequently:!0});s&&(t=s,t.globalCompositeOperation="copy",i=t.createLinearGradient(0,0,1,1))}e.toColor=function(e){if(e.match(/#[\da-f]{3,8}/i))switch(e.length){case 4:return r=parseInt(e.slice(1,2).repeat(2),16),n=parseInt(e.slice(2,3).repeat(2),16),o=parseInt(e.slice(3,4).repeat(2),16),_.toColor(r,n,o);case 5:return r=parseInt(e.slice(1,2).repeat(2),16),n=parseInt(e.slice(2,3).repeat(2),16),o=parseInt(e.slice(3,4).repeat(2),16),a=parseInt(e.slice(4,5).repeat(2),16),_.toColor(r,n,o,a);case 7:return{css:e,rgba:(parseInt(e.slice(1),16)<<8|255)>>>0};case 9:return{css:e,rgba:parseInt(e.slice(1),16)>>>0}}const s=e.match(/rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(,\s*(0|1|\d?\.(\d+))\s*)?\)/);if(s)return r=parseInt(s[1]),n=parseInt(s[2]),o=parseInt(s[3]),a=Math.round(255*(void 0===s[5]?1:parseFloat(s[5]))),_.toColor(r,n,o,a);if(!t||!i)throw new Error("css.toColor: Unsupported css format");if(t.fillStyle=i,t.fillStyle=e,"string"!=typeof t.fillStyle)throw new Error("css.toColor: Unsupported css format");if(t.fillRect(0,0,1,1),[r,n,o,a]=t.getImageData(0,0,1,1).data,255!==a)throw new Error("css.toColor: Unsupported css format");return{rgba:h.toRgba(r,n,o,a),css:e}}}(l||(t.css=l={})),function(e){function t(e,t,i){const s=e/255,r=t/255,n=i/255;return.2126*(s<=.03928?s/12.92:Math.pow((s+.055)/1.055,2.4))+.7152*(r<=.03928?r/12.92:Math.pow((r+.055)/1.055,2.4))+.0722*(n<=.03928?n/12.92:Math.pow((n+.055)/1.055,2.4))}e.relativeLuminance=function(e){return t(e>>16&255,e>>8&255,255&e)},e.relativeLuminance2=t}(d||(t.rgb=d={})),function(e){function t(e,t,i){const s=e>>24&255,r=e>>16&255,n=e>>8&255;let o=t>>24&255,a=t>>16&255,h=t>>8&255,c=f(d.relativeLuminance2(o,a,h),d.relativeLuminance2(s,r,n));for(;c<i&&(o>0||a>0||h>0);)o-=Math.max(0,Math.ceil(.1*o)),a-=Math.max(0,Math.ceil(.1*a)),h-=Math.max(0,Math.ceil(.1*h)),c=f(d.relativeLuminance2(o,a,h),d.relativeLuminance2(s,r,n));return(o<<24|a<<16|h<<8|255)>>>0}function i(e,t,i){const s=e>>24&255,r=e>>16&255,n=e>>8&255;let o=t>>24&255,a=t>>16&255,h=t>>8&255,c=f(d.relativeLuminance2(o,a,h),d.relativeLuminance2(s,r,n));for(;c<i&&(o<255||a<255||h<255);)o=Math.min(255,o+Math.ceil(.1*(255-o))),a=Math.min(255,a+Math.ceil(.1*(255-a))),h=Math.min(255,h+Math.ceil(.1*(255-h))),c=f(d.relativeLuminance2(o,a,h),d.relativeLuminance2(s,r,n));return(o<<24|a<<16|h<<8|255)>>>0}e.ensureContrastRatio=function(e,s,r){const n=d.relativeLuminance(e>>8),o=d.relativeLuminance(s>>8);if(f(n,o)<r){if(o<n){const o=t(e,s,r),a=f(n,d.relativeLuminance(o>>8));if(a<r){const t=i(e,s,r);return a>f(n,d.relativeLuminance(t>>8))?o:t}return o}const a=i(e,s,r),h=f(n,d.relativeLuminance(a>>8));if(h<r){const i=t(e,s,r);return h>f(n,d.relativeLuminance(i>>8))?a:i}return a}},e.reduceLuminance=t,e.increaseLuminance=i,e.toChannels=function(e){return[e>>24&255,e>>16&255,e>>8&255,255&e]},e.toColor=function(e,t,i,s){return{css:h.toCss(e,t,i,s),rgba:h.toRgba(e,t,i,s)}}}(_||(t.rgba=_={})),t.toPaddedHex=u,t.contrastRatio=f},8969:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.CoreTerminal=void 0;const s=i(844),r=i(2585),n=i(4348),o=i(7866),a=i(744),h=i(7302),c=i(6975),l=i(8460),d=i(1753),_=i(1480),u=i(7994),f=i(9282),v=i(5435),p=i(5981),g=i(2660);let m=!1;class S extends s.Disposable{get onScroll(){return this._onScrollApi||(this._onScrollApi=this.register(new l.EventEmitter),this._onScroll.event((e=>{var t;null===(t=this._onScrollApi)||void 0===t||t.fire(e.position)}))),this._onScrollApi.event}get cols(){return this._bufferService.cols}get rows(){return this._bufferService.rows}get buffers(){return this._bufferService.buffers}get options(){return this.optionsService.options}set options(e){for(const t in e)this.optionsService.options[t]=e[t]}constructor(e){super(),this._windowsWrappingHeuristics=this.register(new s.MutableDisposable),this._onBinary=this.register(new l.EventEmitter),this.onBinary=this._onBinary.event,this._onData=this.register(new l.EventEmitter),this.onData=this._onData.event,this._onLineFeed=this.register(new l.EventEmitter),this.onLineFeed=this._onLineFeed.event,this._onResize=this.register(new l.EventEmitter),this.onResize=this._onResize.event,this._onWriteParsed=this.register(new l.EventEmitter),this.onWriteParsed=this._onWriteParsed.event,this._onScroll=this.register(new l.EventEmitter),this._instantiationService=new n.InstantiationService,this.optionsService=this.register(new h.OptionsService(e)),this._instantiationService.setService(r.IOptionsService,this.optionsService),this._bufferService=this.register(this._instantiationService.createInstance(a.BufferService)),this._instantiationService.setService(r.IBufferService,this._bufferService),this._logService=this.register(this._instantiationService.createInstance(o.LogService)),this._instantiationService.setService(r.ILogService,this._logService),this.coreService=this.register(this._instantiationService.createInstance(c.CoreService)),this._instantiationService.setService(r.ICoreService,this.coreService),this.coreMouseService=this.register(this._instantiationService.createInstance(d.CoreMouseService)),this._instantiationService.setService(r.ICoreMouseService,this.coreMouseService),this.unicodeService=this.register(this._instantiationService.createInstance(_.UnicodeService)),this._instantiationService.setService(r.IUnicodeService,this.unicodeService),this._charsetService=this._instantiationService.createInstance(u.CharsetService),this._instantiationService.setService(r.ICharsetService,this._charsetService),this._oscLinkService=this._instantiationService.createInstance(g.OscLinkService),this._instantiationService.setService(r.IOscLinkService,this._oscLinkService),this._inputHandler=this.register(new v.InputHandler(this._bufferService,this._charsetService,this.coreService,this._logService,this.optionsService,this._oscLinkService,this.coreMouseService,this.unicodeService)),this.register((0,l.forwardEvent)(this._inputHandler.onLineFeed,this._onLineFeed)),this.register(this._inputHandler),this.register((0,l.forwardEvent)(this._bufferService.onResize,this._onResize)),this.register((0,l.forwardEvent)(this.coreService.onData,this._onData)),this.register((0,l.forwardEvent)(this.coreService.onBinary,this._onBinary)),this.register(this.coreService.onRequestScrollToBottom((()=>this.scrollToBottom()))),this.register(this.coreService.onUserInput((()=>this._writeBuffer.handleUserInput()))),this.register(this.optionsService.onMultipleOptionChange(["windowsMode","windowsPty"],(()=>this._handleWindowsPtyOptionChange()))),this.register(this._bufferService.onScroll((e=>{this._onScroll.fire({position:this._bufferService.buffer.ydisp,source:0}),this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop,this._bufferService.buffer.scrollBottom)}))),this.register(this._inputHandler.onScroll((e=>{this._onScroll.fire({position:this._bufferService.buffer.ydisp,source:0}),this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop,this._bufferService.buffer.scrollBottom)}))),this._writeBuffer=this.register(new p.WriteBuffer(((e,t)=>this._inputHandler.parse(e,t)))),this.register((0,l.forwardEvent)(this._writeBuffer.onWriteParsed,this._onWriteParsed))}write(e,t){this._writeBuffer.write(e,t)}writeSync(e,t){this._logService.logLevel<=r.LogLevelEnum.WARN&&!m&&(this._logService.warn("writeSync is unreliable and will be removed soon."),m=!0),this._writeBuffer.writeSync(e,t)}resize(e,t){isNaN(e)||isNaN(t)||(e=Math.max(e,a.MINIMUM_COLS),t=Math.max(t,a.MINIMUM_ROWS),this._bufferService.resize(e,t))}scroll(e,t=!1){this._bufferService.scroll(e,t)}scrollLines(e,t,i){this._bufferService.scrollLines(e,t,i)}scrollPages(e){this.scrollLines(e*(this.rows-1))}scrollToTop(){this.scrollLines(-this._bufferService.buffer.ydisp)}scrollToBottom(){this.scrollLines(this._bufferService.buffer.ybase-this._bufferService.buffer.ydisp)}scrollToLine(e){const t=e-this._bufferService.buffer.ydisp;0!==t&&this.scrollLines(t)}registerEscHandler(e,t){return this._inputHandler.registerEscHandler(e,t)}registerDcsHandler(e,t){return this._inputHandler.registerDcsHandler(e,t)}registerCsiHandler(e,t){return this._inputHandler.registerCsiHandler(e,t)}registerOscHandler(e,t){return this._inputHandler.registerOscHandler(e,t)}_setup(){this._handleWindowsPtyOptionChange()}reset(){this._inputHandler.reset(),this._bufferService.reset(),this._charsetService.reset(),this.coreService.reset(),this.coreMouseService.reset()}_handleWindowsPtyOptionChange(){let e=!1;const t=this.optionsService.rawOptions.windowsPty;t&&void 0!==t.buildNumber&&void 0!==t.buildNumber?e=!!("conpty"===t.backend&&t.buildNumber<21376):this.optionsService.rawOptions.windowsMode&&(e=!0),e?this._enableWindowsWrappingHeuristics():this._windowsWrappingHeuristics.clear()}_enableWindowsWrappingHeuristics(){if(!this._windowsWrappingHeuristics.value){const e=[];e.push(this.onLineFeed(f.updateWindowsModeWrappedState.bind(null,this._bufferService))),e.push(this.registerCsiHandler({final:"H"},(()=>((0,f.updateWindowsModeWrappedState)(this._bufferService),!1)))),this._windowsWrappingHeuristics.value=(0,s.toDisposable)((()=>{for(const t of e)t.dispose()}))}}}t.CoreTerminal=S},8460:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.forwardEvent=t.EventEmitter=void 0,t.EventEmitter=class{constructor(){this._listeners=[],this._disposed=!1}get event(){return this._event||(this._event=e=>(this._listeners.push(e),{dispose:()=>{if(!this._disposed)for(let t=0;t<this._listeners.length;t++)if(this._listeners[t]===e)return void this._listeners.splice(t,1)}})),this._event}fire(e,t){const i=[];for(let e=0;e<this._listeners.length;e++)i.push(this._listeners[e]);for(let s=0;s<i.length;s++)i[s].call(void 0,e,t)}dispose(){this.clearListeners(),this._disposed=!0}clearListeners(){this._listeners&&(this._listeners.length=0)}},t.forwardEvent=function(e,t){return e((e=>t.fire(e)))}},5435:function(e,t,i){var s=this&&this.__decorate||function(e,t,i,s){var r,n=arguments.length,o=n<3?t:null===s?s=Object.getOwnPropertyDescriptor(t,i):s;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(e,t,i,s);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(o=(n<3?r(o):n>3?r(t,i,o):r(t,i))||o);return n>3&&o&&Object.defineProperty(t,i,o),o},r=this&&this.__param||function(e,t){return function(i,s){t(i,s,e)}};Object.defineProperty(t,"__esModule",{value:!0}),t.InputHandler=t.WindowsOptionsReportType=void 0;const n=i(2584),o=i(7116),a=i(2015),h=i(844),c=i(482),l=i(8437),d=i(8460),_=i(643),u=i(511),f=i(3734),v=i(2585),p=i(6242),g=i(6351),m=i(5941),S={"(":0,")":1,"*":2,"+":3,"-":1,".":2},C=131072;function b(e,t){if(e>24)return t.setWinLines||!1;switch(e){case 1:return!!t.restoreWin;case 2:return!!t.minimizeWin;case 3:return!!t.setWinPosition;case 4:return!!t.setWinSizePixels;case 5:return!!t.raiseWin;case 6:return!!t.lowerWin;case 7:return!!t.refreshWin;case 8:return!!t.setWinSizeChars;case 9:return!!t.maximizeWin;case 10:return!!t.fullscreenWin;case 11:return!!t.getWinState;case 13:return!!t.getWinPosition;case 14:return!!t.getWinSizePixels;case 15:return!!t.getScreenSizePixels;case 16:return!!t.getCellSizePixels;case 18:return!!t.getWinSizeChars;case 19:return!!t.getScreenSizeChars;case 20:return!!t.getIconTitle;case 21:return!!t.getWinTitle;case 22:return!!t.pushTitle;case 23:return!!t.popTitle;case 24:return!!t.setWinLines}return!1}var y;!function(e){e[e.GET_WIN_SIZE_PIXELS=0]="GET_WIN_SIZE_PIXELS",e[e.GET_CELL_SIZE_PIXELS=1]="GET_CELL_SIZE_PIXELS"}(y||(t.WindowsOptionsReportType=y={}));let w=0;class E extends h.Disposable{getAttrData(){return this._curAttrData}constructor(e,t,i,s,r,h,_,f,v=new a.EscapeSequenceParser){super(),this._bufferService=e,this._charsetService=t,this._coreService=i,this._logService=s,this._optionsService=r,this._oscLinkService=h,this._coreMouseService=_,this._unicodeService=f,this._parser=v,this._parseBuffer=new Uint32Array(4096),this._stringDecoder=new c.StringToUtf32,this._utf8Decoder=new c.Utf8ToUtf32,this._workCell=new u.CellData,this._windowTitle="",this._iconName="",this._windowTitleStack=[],this._iconNameStack=[],this._curAttrData=l.DEFAULT_ATTR_DATA.clone(),this._eraseAttrDataInternal=l.DEFAULT_ATTR_DATA.clone(),this._onRequestBell=this.register(new d.EventEmitter),this.onRequestBell=this._onRequestBell.event,this._onRequestRefreshRows=this.register(new d.EventEmitter),this.onRequestRefreshRows=this._onRequestRefreshRows.event,this._onRequestReset=this.register(new d.EventEmitter),this.onRequestReset=this._onRequestReset.event,this._onRequestSendFocus=this.register(new d.EventEmitter),this.onRequestSendFocus=this._onRequestSendFocus.event,this._onRequestSyncScrollBar=this.register(new d.EventEmitter),this.onRequestSyncScrollBar=this._onRequestSyncScrollBar.event,this._onRequestWindowsOptionsReport=this.register(new d.EventEmitter),this.onRequestWindowsOptionsReport=this._onRequestWindowsOptionsReport.event,this._onA11yChar=this.register(new d.EventEmitter),this.onA11yChar=this._onA11yChar.event,this._onA11yTab=this.register(new d.EventEmitter),this.onA11yTab=this._onA11yTab.event,this._onCursorMove=this.register(new d.EventEmitter),this.onCursorMove=this._onCursorMove.event,this._onLineFeed=this.register(new d.EventEmitter),this.onLineFeed=this._onLineFeed.event,this._onScroll=this.register(new d.EventEmitter),this.onScroll=this._onScroll.event,this._onTitleChange=this.register(new d.EventEmitter),this.onTitleChange=this._onTitleChange.event,this._onColor=this.register(new d.EventEmitter),this.onColor=this._onColor.event,this._parseStack={paused:!1,cursorStartX:0,cursorStartY:0,decodedLength:0,position:0},this._specialColors=[256,257,258],this.register(this._parser),this._dirtyRowTracker=new k(this._bufferService),this._activeBuffer=this._bufferService.buffer,this.register(this._bufferService.buffers.onBufferActivate((e=>this._activeBuffer=e.activeBuffer))),this._parser.setCsiHandlerFallback(((e,t)=>{this._logService.debug("Unknown CSI code: ",{identifier:this._parser.identToString(e),params:t.toArray()})})),this._parser.setEscHandlerFallback((e=>{this._logService.debug("Unknown ESC code: ",{identifier:this._parser.identToString(e)})})),this._parser.setExecuteHandlerFallback((e=>{this._logService.debug("Unknown EXECUTE code: ",{code:e})})),this._parser.setOscHandlerFallback(((e,t,i)=>{this._logService.debug("Unknown OSC code: ",{identifier:e,action:t,data:i})})),this._parser.setDcsHandlerFallback(((e,t,i)=>{"HOOK"===t&&(i=i.toArray()),this._logService.debug("Unknown DCS code: ",{identifier:this._parser.identToString(e),action:t,payload:i})})),this._parser.setPrintHandler(((e,t,i)=>this.print(e,t,i))),this._parser.registerCsiHandler({final:"@"},(e=>this.insertChars(e))),this._parser.registerCsiHandler({intermediates:" ",final:"@"},(e=>this.scrollLeft(e))),this._parser.registerCsiHandler({final:"A"},(e=>this.cursorUp(e))),this._parser.registerCsiHandler({intermediates:" ",final:"A"},(e=>this.scrollRight(e))),this._parser.registerCsiHandler({final:"B"},(e=>this.cursorDown(e))),this._parser.registerCsiHandler({final:"C"},(e=>this.cursorForward(e))),this._parser.registerCsiHandler({final:"D"},(e=>this.cursorBackward(e))),this._parser.registerCsiHandler({final:"E"},(e=>this.cursorNextLine(e))),this._parser.registerCsiHandler({final:"F"},(e=>this.cursorPrecedingLine(e))),this._parser.registerCsiHandler({final:"G"},(e=>this.cursorCharAbsolute(e))),this._parser.registerCsiHandler({final:"H"},(e=>this.cursorPosition(e))),this._parser.registerCsiHandler({final:"I"},(e=>this.cursorForwardTab(e))),this._parser.registerCsiHandler({final:"J"},(e=>this.eraseInDisplay(e,!1))),this._parser.registerCsiHandler({prefix:"?",final:"J"},(e=>this.eraseInDisplay(e,!0))),this._parser.registerCsiHandler({final:"K"},(e=>this.eraseInLine(e,!1))),this._parser.registerCsiHandler({prefix:"?",final:"K"},(e=>this.eraseInLine(e,!0))),this._parser.registerCsiHandler({final:"L"},(e=>this.insertLines(e))),this._parser.registerCsiHandler({final:"M"},(e=>this.deleteLines(e))),this._parser.registerCsiHandler({final:"P"},(e=>this.deleteChars(e))),this._parser.registerCsiHandler({final:"S"},(e=>this.scrollUp(e))),this._parser.registerCsiHandler({final:"T"},(e=>this.scrollDown(e))),this._parser.registerCsiHandler({final:"X"},(e=>this.eraseChars(e))),this._parser.registerCsiHandler({final:"Z"},(e=>this.cursorBackwardTab(e))),this._parser.registerCsiHandler({final:"`"},(e=>this.charPosAbsolute(e))),this._parser.registerCsiHandler({final:"a"},(e=>this.hPositionRelative(e))),this._parser.registerCsiHandler({final:"b"},(e=>this.repeatPrecedingCharacter(e))),this._parser.registerCsiHandler({final:"c"},(e=>this.sendDeviceAttributesPrimary(e))),this._parser.registerCsiHandler({prefix:">",final:"c"},(e=>this.sendDeviceAttributesSecondary(e))),this._parser.registerCsiHandler({final:"d"},(e=>this.linePosAbsolute(e))),this._parser.registerCsiHandler({final:"e"},(e=>this.vPositionRelative(e))),this._parser.registerCsiHandler({final:"f"},(e=>this.hVPosition(e))),this._parser.registerCsiHandler({final:"g"},(e=>this.tabClear(e))),this._parser.registerCsiHandler({final:"h"},(e=>this.setMode(e))),this._parser.registerCsiHandler({prefix:"?",final:"h"},(e=>this.setModePrivate(e))),this._parser.registerCsiHandler({final:"l"},(e=>this.resetMode(e))),this._parser.registerCsiHandler({prefix:"?",final:"l"},(e=>this.resetModePrivate(e))),this._parser.registerCsiHandler({final:"m"},(e=>this.charAttributes(e))),this._parser.registerCsiHandler({final:"n"},(e=>this.deviceStatus(e))),this._parser.registerCsiHandler({prefix:"?",final:"n"},(e=>this.deviceStatusPrivate(e))),this._parser.registerCsiHandler({intermediates:"!",final:"p"},(e=>this.softReset(e))),this._parser.registerCsiHandler({intermediates:" ",final:"q"},(e=>this.setCursorStyle(e))),this._parser.registerCsiHandler({final:"r"},(e=>this.setScrollRegion(e))),this._parser.registerCsiHandler({final:"s"},(e=>this.saveCursor(e))),this._parser.registerCsiHandler({final:"t"},(e=>this.windowOptions(e))),this._parser.registerCsiHandler({final:"u"},(e=>this.restoreCursor(e))),this._parser.registerCsiHandler({intermediates:"'",final:"}"},(e=>this.insertColumns(e))),this._parser.registerCsiHandler({intermediates:"'",final:"~"},(e=>this.deleteColumns(e))),this._parser.registerCsiHandler({intermediates:'"',final:"q"},(e=>this.selectProtected(e))),this._parser.registerCsiHandler({intermediates:"$",final:"p"},(e=>this.requestMode(e,!0))),this._parser.registerCsiHandler({prefix:"?",intermediates:"$",final:"p"},(e=>this.requestMode(e,!1))),this._parser.setExecuteHandler(n.C0.BEL,(()=>this.bell())),this._parser.setExecuteHandler(n.C0.LF,(()=>this.lineFeed())),this._parser.setExecuteHandler(n.C0.VT,(()=>this.lineFeed())),this._parser.setExecuteHandler(n.C0.FF,(()=>this.lineFeed())),this._parser.setExecuteHandler(n.C0.CR,(()=>this.carriageReturn())),this._parser.setExecuteHandler(n.C0.BS,(()=>this.backspace())),this._parser.setExecuteHandler(n.C0.HT,(()=>this.tab())),this._parser.setExecuteHandler(n.C0.SO,(()=>this.shiftOut())),this._parser.setExecuteHandler(n.C0.SI,(()=>this.shiftIn())),this._parser.setExecuteHandler(n.C1.IND,(()=>this.index())),this._parser.setExecuteHandler(n.C1.NEL,(()=>this.nextLine())),this._parser.setExecuteHandler(n.C1.HTS,(()=>this.tabSet())),this._parser.registerOscHandler(0,new p.OscHandler((e=>(this.setTitle(e),this.setIconName(e),!0)))),this._parser.registerOscHandler(1,new p.OscHandler((e=>this.setIconName(e)))),this._parser.registerOscHandler(2,new p.OscHandler((e=>this.setTitle(e)))),this._parser.registerOscHandler(4,new p.OscHandler((e=>this.setOrReportIndexedColor(e)))),this._parser.registerOscHandler(8,new p.OscHandler((e=>this.setHyperlink(e)))),this._parser.registerOscHandler(10,new p.OscHandler((e=>this.setOrReportFgColor(e)))),this._parser.registerOscHandler(11,new p.OscHandler((e=>this.setOrReportBgColor(e)))),this._parser.registerOscHandler(12,new p.OscHandler((e=>this.setOrReportCursorColor(e)))),this._parser.registerOscHandler(104,new p.OscHandler((e=>this.restoreIndexedColor(e)))),this._parser.registerOscHandler(110,new p.OscHandler((e=>this.restoreFgColor(e)))),this._parser.registerOscHandler(111,new p.OscHandler((e=>this.restoreBgColor(e)))),this._parser.registerOscHandler(112,new p.OscHandler((e=>this.restoreCursorColor(e)))),this._parser.registerEscHandler({final:"7"},(()=>this.saveCursor())),this._parser.registerEscHandler({final:"8"},(()=>this.restoreCursor())),this._parser.registerEscHandler({final:"D"},(()=>this.index())),this._parser.registerEscHandler({final:"E"},(()=>this.nextLine())),this._parser.registerEscHandler({final:"H"},(()=>this.tabSet())),this._parser.registerEscHandler({final:"M"},(()=>this.reverseIndex())),this._parser.registerEscHandler({final:"="},(()=>this.keypadApplicationMode())),this._parser.registerEscHandler({final:">"},(()=>this.keypadNumericMode())),this._parser.registerEscHandler({final:"c"},(()=>this.fullReset())),this._parser.registerEscHandler({final:"n"},(()=>this.setgLevel(2))),this._parser.registerEscHandler({final:"o"},(()=>this.setgLevel(3))),this._parser.registerEscHandler({final:"|"},(()=>this.setgLevel(3))),this._parser.registerEscHandler({final:"}"},(()=>this.setgLevel(2))),this._parser.registerEscHandler({final:"~"},(()=>this.setgLevel(1))),this._parser.registerEscHandler({intermediates:"%",final:"@"},(()=>this.selectDefaultCharset())),this._parser.registerEscHandler({intermediates:"%",final:"G"},(()=>this.selectDefaultCharset()));for(const e in o.CHARSETS)this._parser.registerEscHandler({intermediates:"(",final:e},(()=>this.selectCharset("("+e))),this._parser.registerEscHandler({intermediates:")",final:e},(()=>this.selectCharset(")"+e))),this._parser.registerEscHandler({intermediates:"*",final:e},(()=>this.selectCharset("*"+e))),this._parser.registerEscHandler({intermediates:"+",final:e},(()=>this.selectCharset("+"+e))),this._parser.registerEscHandler({intermediates:"-",final:e},(()=>this.selectCharset("-"+e))),this._parser.registerEscHandler({intermediates:".",final:e},(()=>this.selectCharset("."+e))),this._parser.registerEscHandler({intermediates:"/",final:e},(()=>this.selectCharset("/"+e)));this._parser.registerEscHandler({intermediates:"#",final:"8"},(()=>this.screenAlignmentPattern())),this._parser.setErrorHandler((e=>(this._logService.error("Parsing error: ",e),e))),this._parser.registerDcsHandler({intermediates:"$",final:"q"},new g.DcsHandler(((e,t)=>this.requestStatusString(e,t))))}_preserveStack(e,t,i,s){this._parseStack.paused=!0,this._parseStack.cursorStartX=e,this._parseStack.cursorStartY=t,this._parseStack.decodedLength=i,this._parseStack.position=s}_logSlowResolvingAsync(e){this._logService.logLevel<=v.LogLevelEnum.WARN&&Promise.race([e,new Promise(((e,t)=>setTimeout((()=>t("#SLOW_TIMEOUT")),5e3)))]).catch((e=>{if("#SLOW_TIMEOUT"!==e)throw e;console.warn("async parser handler taking longer than 5000 ms")}))}_getCurrentLinkId(){return this._curAttrData.extended.urlId}parse(e,t){let i,s=this._activeBuffer.x,r=this._activeBuffer.y,n=0;const o=this._parseStack.paused;if(o){if(i=this._parser.parse(this._parseBuffer,this._parseStack.decodedLength,t))return this._logSlowResolvingAsync(i),i;s=this._parseStack.cursorStartX,r=this._parseStack.cursorStartY,this._parseStack.paused=!1,e.length>C&&(n=this._parseStack.position+C)}if(this._logService.logLevel<=v.LogLevelEnum.DEBUG&&this._logService.debug("parsing data"+("string"==typeof e?` "${e}"`:` "${Array.prototype.map.call(e,(e=>String.fromCharCode(e))).join("")}"`),"string"==typeof e?e.split("").map((e=>e.charCodeAt(0))):e),this._parseBuffer.length<e.length&&this._parseBuffer.length<C&&(this._parseBuffer=new Uint32Array(Math.min(e.length,C))),o||this._dirtyRowTracker.clearRange(),e.length>C)for(let t=n;t<e.length;t+=C){const n=t+C<e.length?t+C:e.length,o="string"==typeof e?this._stringDecoder.decode(e.substring(t,n),this._parseBuffer):this._utf8Decoder.decode(e.subarray(t,n),this._parseBuffer);if(i=this._parser.parse(this._parseBuffer,o))return this._preserveStack(s,r,o,t),this._logSlowResolvingAsync(i),i}else if(!o){const t="string"==typeof e?this._stringDecoder.decode(e,this._parseBuffer):this._utf8Decoder.decode(e,this._parseBuffer);if(i=this._parser.parse(this._parseBuffer,t))return this._preserveStack(s,r,t,0),this._logSlowResolvingAsync(i),i}this._activeBuffer.x===s&&this._activeBuffer.y===r||this._onCursorMove.fire(),this._onRequestRefreshRows.fire(this._dirtyRowTracker.start,this._dirtyRowTracker.end)}print(e,t,i){let s,r;const n=this._charsetService.charset,o=this._optionsService.rawOptions.screenReaderMode,a=this._bufferService.cols,h=this._coreService.decPrivateModes.wraparound,l=this._coreService.modes.insertMode,d=this._curAttrData;let u=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._activeBuffer.x&&i-t>0&&2===u.getWidth(this._activeBuffer.x-1)&&u.setCellFromCodePoint(this._activeBuffer.x-1,0,1,d.fg,d.bg,d.extended);for(let f=t;f<i;++f){if(s=e[f],r=this._unicodeService.wcwidth(s),s<127&&n){const e=n[String.fromCharCode(s)];e&&(s=e.charCodeAt(0))}if(o&&this._onA11yChar.fire((0,c.stringFromCodePoint)(s)),this._getCurrentLinkId()&&this._oscLinkService.addLineToLink(this._getCurrentLinkId(),this._activeBuffer.ybase+this._activeBuffer.y),r||!this._activeBuffer.x){if(this._activeBuffer.x+r-1>=a)if(h){for(;this._activeBuffer.x<a;)u.setCellFromCodePoint(this._activeBuffer.x++,0,1,d.fg,d.bg,d.extended);this._activeBuffer.x=0,this._activeBuffer.y++,this._activeBuffer.y===this._activeBuffer.scrollBottom+1?(this._activeBuffer.y--,this._bufferService.scroll(this._eraseAttrData(),!0)):(this._activeBuffer.y>=this._bufferService.rows&&(this._activeBuffer.y=this._bufferService.rows-1),this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).isWrapped=!0),u=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y)}else if(this._activeBuffer.x=a-1,2===r)continue;if(l&&(u.insertCells(this._activeBuffer.x,r,this._activeBuffer.getNullCell(d),d),2===u.getWidth(a-1)&&u.setCellFromCodePoint(a-1,_.NULL_CELL_CODE,_.NULL_CELL_WIDTH,d.fg,d.bg,d.extended)),u.setCellFromCodePoint(this._activeBuffer.x++,s,r,d.fg,d.bg,d.extended),r>0)for(;--r;)u.setCellFromCodePoint(this._activeBuffer.x++,0,0,d.fg,d.bg,d.extended)}else u.getWidth(this._activeBuffer.x-1)?u.addCodepointToCell(this._activeBuffer.x-1,s):u.addCodepointToCell(this._activeBuffer.x-2,s)}i-t>0&&(u.loadCell(this._activeBuffer.x-1,this._workCell),2===this._workCell.getWidth()||this._workCell.getCode()>65535?this._parser.precedingCodepoint=0:this._workCell.isCombined()?this._parser.precedingCodepoint=this._workCell.getChars().charCodeAt(0):this._parser.precedingCodepoint=this._workCell.content),this._activeBuffer.x<a&&i-t>0&&0===u.getWidth(this._activeBuffer.x)&&!u.hasContent(this._activeBuffer.x)&&u.setCellFromCodePoint(this._activeBuffer.x,0,1,d.fg,d.bg,d.extended),this._dirtyRowTracker.markDirty(this._activeBuffer.y)}registerCsiHandler(e,t){return"t"!==e.final||e.prefix||e.intermediates?this._parser.registerCsiHandler(e,t):this._parser.registerCsiHandler(e,(e=>!b(e.params[0],this._optionsService.rawOptions.windowOptions)||t(e)))}registerDcsHandler(e,t){return this._parser.registerDcsHandler(e,new g.DcsHandler(t))}registerEscHandler(e,t){return this._parser.registerEscHandler(e,t)}registerOscHandler(e,t){return this._parser.registerOscHandler(e,new p.OscHandler(t))}bell(){return this._onRequestBell.fire(),!0}lineFeed(){return this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._optionsService.rawOptions.convertEol&&(this._activeBuffer.x=0),this._activeBuffer.y++,this._activeBuffer.y===this._activeBuffer.scrollBottom+1?(this._activeBuffer.y--,this._bufferService.scroll(this._eraseAttrData())):this._activeBuffer.y>=this._bufferService.rows?this._activeBuffer.y=this._bufferService.rows-1:this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).isWrapped=!1,this._activeBuffer.x>=this._bufferService.cols&&this._activeBuffer.x--,this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._onLineFeed.fire(),!0}carriageReturn(){return this._activeBuffer.x=0,!0}backspace(){var e;if(!this._coreService.decPrivateModes.reverseWraparound)return this._restrictCursor(),this._activeBuffer.x>0&&this._activeBuffer.x--,!0;if(this._restrictCursor(this._bufferService.cols),this._activeBuffer.x>0)this._activeBuffer.x--;else if(0===this._activeBuffer.x&&this._activeBuffer.y>this._activeBuffer.scrollTop&&this._activeBuffer.y<=this._activeBuffer.scrollBottom&&(null===(e=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y))||void 0===e?void 0:e.isWrapped)){this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y).isWrapped=!1,this._activeBuffer.y--,this._activeBuffer.x=this._bufferService.cols-1;const e=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);e.hasWidth(this._activeBuffer.x)&&!e.hasContent(this._activeBuffer.x)&&this._activeBuffer.x--}return this._restrictCursor(),!0}tab(){if(this._activeBuffer.x>=this._bufferService.cols)return!0;const e=this._activeBuffer.x;return this._activeBuffer.x=this._activeBuffer.nextStop(),this._optionsService.rawOptions.screenReaderMode&&this._onA11yTab.fire(this._activeBuffer.x-e),!0}shiftOut(){return this._charsetService.setgLevel(1),!0}shiftIn(){return this._charsetService.setgLevel(0),!0}_restrictCursor(e=this._bufferService.cols-1){this._activeBuffer.x=Math.min(e,Math.max(0,this._activeBuffer.x)),this._activeBuffer.y=this._coreService.decPrivateModes.origin?Math.min(this._activeBuffer.scrollBottom,Math.max(this._activeBuffer.scrollTop,this._activeBuffer.y)):Math.min(this._bufferService.rows-1,Math.max(0,this._activeBuffer.y)),this._dirtyRowTracker.markDirty(this._activeBuffer.y)}_setCursor(e,t){this._dirtyRowTracker.markDirty(this._activeBuffer.y),this._coreService.decPrivateModes.origin?(this._activeBuffer.x=e,this._activeBuffer.y=this._activeBuffer.scrollTop+t):(this._activeBuffer.x=e,this._activeBuffer.y=t),this._restrictCursor(),this._dirtyRowTracker.markDirty(this._activeBuffer.y)}_moveCursor(e,t){this._restrictCursor(),this._setCursor(this._activeBuffer.x+e,this._activeBuffer.y+t)}cursorUp(e){const t=this._activeBuffer.y-this._activeBuffer.scrollTop;return t>=0?this._moveCursor(0,-Math.min(t,e.params[0]||1)):this._moveCursor(0,-(e.params[0]||1)),!0}cursorDown(e){const t=this._activeBuffer.scrollBottom-this._activeBuffer.y;return t>=0?this._moveCursor(0,Math.min(t,e.params[0]||1)):this._moveCursor(0,e.params[0]||1),!0}cursorForward(e){return this._moveCursor(e.params[0]||1,0),!0}cursorBackward(e){return this._moveCursor(-(e.params[0]||1),0),!0}cursorNextLine(e){return this.cursorDown(e),this._activeBuffer.x=0,!0}cursorPrecedingLine(e){return this.cursorUp(e),this._activeBuffer.x=0,!0}cursorCharAbsolute(e){return this._setCursor((e.params[0]||1)-1,this._activeBuffer.y),!0}cursorPosition(e){return this._setCursor(e.length>=2?(e.params[1]||1)-1:0,(e.params[0]||1)-1),!0}charPosAbsolute(e){return this._setCursor((e.params[0]||1)-1,this._activeBuffer.y),!0}hPositionRelative(e){return this._moveCursor(e.params[0]||1,0),!0}linePosAbsolute(e){return this._setCursor(this._activeBuffer.x,(e.params[0]||1)-1),!0}vPositionRelative(e){return this._moveCursor(0,e.params[0]||1),!0}hVPosition(e){return this.cursorPosition(e),!0}tabClear(e){const t=e.params[0];return 0===t?delete this._activeBuffer.tabs[this._activeBuffer.x]:3===t&&(this._activeBuffer.tabs={}),!0}cursorForwardTab(e){if(this._activeBuffer.x>=this._bufferService.cols)return!0;let t=e.params[0]||1;for(;t--;)this._activeBuffer.x=this._activeBuffer.nextStop();return!0}cursorBackwardTab(e){if(this._activeBuffer.x>=this._bufferService.cols)return!0;let t=e.params[0]||1;for(;t--;)this._activeBuffer.x=this._activeBuffer.prevStop();return!0}selectProtected(e){const t=e.params[0];return 1===t&&(this._curAttrData.bg|=536870912),2!==t&&0!==t||(this._curAttrData.bg&=-536870913),!0}_eraseInBufferLine(e,t,i,s=!1,r=!1){const n=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);n.replaceCells(t,i,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData(),r),s&&(n.isWrapped=!1)}_resetBufferLine(e,t=!1){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i&&(i.fill(this._activeBuffer.getNullCell(this._eraseAttrData()),t),this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase+e),i.isWrapped=!1)}eraseInDisplay(e,t=!1){let i;switch(this._restrictCursor(this._bufferService.cols),e.params[0]){case 0:for(i=this._activeBuffer.y,this._dirtyRowTracker.markDirty(i),this._eraseInBufferLine(i++,this._activeBuffer.x,this._bufferService.cols,0===this._activeBuffer.x,t);i<this._bufferService.rows;i++)this._resetBufferLine(i,t);this._dirtyRowTracker.markDirty(i);break;case 1:for(i=this._activeBuffer.y,this._dirtyRowTracker.markDirty(i),this._eraseInBufferLine(i,0,this._activeBuffer.x+1,!0,t),this._activeBuffer.x+1>=this._bufferService.cols&&(this._activeBuffer.lines.get(i+1).isWrapped=!1);i--;)this._resetBufferLine(i,t);this._dirtyRowTracker.markDirty(0);break;case 2:for(i=this._bufferService.rows,this._dirtyRowTracker.markDirty(i-1);i--;)this._resetBufferLine(i,t);this._dirtyRowTracker.markDirty(0);break;case 3:const e=this._activeBuffer.lines.length-this._bufferService.rows;e>0&&(this._activeBuffer.lines.trimStart(e),this._activeBuffer.ybase=Math.max(this._activeBuffer.ybase-e,0),this._activeBuffer.ydisp=Math.max(this._activeBuffer.ydisp-e,0),this._onScroll.fire(0))}return!0}eraseInLine(e,t=!1){switch(this._restrictCursor(this._bufferService.cols),e.params[0]){case 0:this._eraseInBufferLine(this._activeBuffer.y,this._activeBuffer.x,this._bufferService.cols,0===this._activeBuffer.x,t);break;case 1:this._eraseInBufferLine(this._activeBuffer.y,0,this._activeBuffer.x+1,!1,t);break;case 2:this._eraseInBufferLine(this._activeBuffer.y,0,this._bufferService.cols,!0,t)}return this._dirtyRowTracker.markDirty(this._activeBuffer.y),!0}insertLines(e){this._restrictCursor();let t=e.params[0]||1;if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const i=this._activeBuffer.ybase+this._activeBuffer.y,s=this._bufferService.rows-1-this._activeBuffer.scrollBottom,r=this._bufferService.rows-1+this._activeBuffer.ybase-s+1;for(;t--;)this._activeBuffer.lines.splice(r-1,1),this._activeBuffer.lines.splice(i,0,this._activeBuffer.getBlankLine(this._eraseAttrData()));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y,this._activeBuffer.scrollBottom),this._activeBuffer.x=0,!0}deleteLines(e){this._restrictCursor();let t=e.params[0]||1;if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const i=this._activeBuffer.ybase+this._activeBuffer.y;let s;for(s=this._bufferService.rows-1-this._activeBuffer.scrollBottom,s=this._bufferService.rows-1+this._activeBuffer.ybase-s;t--;)this._activeBuffer.lines.splice(i,1),this._activeBuffer.lines.splice(s,0,this._activeBuffer.getBlankLine(this._eraseAttrData()));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y,this._activeBuffer.scrollBottom),this._activeBuffer.x=0,!0}insertChars(e){this._restrictCursor();const t=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);return t&&(t.insertCells(this._activeBuffer.x,e.params[0]||1,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),this._dirtyRowTracker.markDirty(this._activeBuffer.y)),!0}deleteChars(e){this._restrictCursor();const t=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);return t&&(t.deleteCells(this._activeBuffer.x,e.params[0]||1,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),this._dirtyRowTracker.markDirty(this._activeBuffer.y)),!0}scrollUp(e){let t=e.params[0]||1;for(;t--;)this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollTop,1),this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollBottom,0,this._activeBuffer.getBlankLine(this._eraseAttrData()));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}scrollDown(e){let t=e.params[0]||1;for(;t--;)this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollBottom,1),this._activeBuffer.lines.splice(this._activeBuffer.ybase+this._activeBuffer.scrollTop,0,this._activeBuffer.getBlankLine(l.DEFAULT_ATTR_DATA));return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}scrollLeft(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.deleteCells(0,t,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}scrollRight(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.insertCells(0,t,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}insertColumns(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.insertCells(this._activeBuffer.x,t,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}deleteColumns(e){if(this._activeBuffer.y>this._activeBuffer.scrollBottom||this._activeBuffer.y<this._activeBuffer.scrollTop)return!0;const t=e.params[0]||1;for(let e=this._activeBuffer.scrollTop;e<=this._activeBuffer.scrollBottom;++e){const i=this._activeBuffer.lines.get(this._activeBuffer.ybase+e);i.deleteCells(this._activeBuffer.x,t,this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),i.isWrapped=!1}return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop,this._activeBuffer.scrollBottom),!0}eraseChars(e){this._restrictCursor();const t=this._activeBuffer.lines.get(this._activeBuffer.ybase+this._activeBuffer.y);return t&&(t.replaceCells(this._activeBuffer.x,this._activeBuffer.x+(e.params[0]||1),this._activeBuffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),this._dirtyRowTracker.markDirty(this._activeBuffer.y)),!0}repeatPrecedingCharacter(e){if(!this._parser.precedingCodepoint)return!0;const t=e.params[0]||1,i=new Uint32Array(t);for(let e=0;e<t;++e)i[e]=this._parser.precedingCodepoint;return this.print(i,0,i.length),!0}sendDeviceAttributesPrimary(e){return e.params[0]>0||(this._is("xterm")||this._is("rxvt-unicode")||this._is("screen")?this._coreService.triggerDataEvent(n.C0.ESC+"[?1;2c"):this._is("linux")&&this._coreService.triggerDataEvent(n.C0.ESC+"[?6c")),!0}sendDeviceAttributesSecondary(e){return e.params[0]>0||(this._is("xterm")?this._coreService.triggerDataEvent(n.C0.ESC+"[>0;276;0c"):this._is("rxvt-unicode")?this._coreService.triggerDataEvent(n.C0.ESC+"[>85;95;0c"):this._is("linux")?this._coreService.triggerDataEvent(e.params[0]+"c"):this._is("screen")&&this._coreService.triggerDataEvent(n.C0.ESC+"[>83;40003;0c")),!0}_is(e){return 0===(this._optionsService.rawOptions.termName+"").indexOf(e)}setMode(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 4:this._coreService.modes.insertMode=!0;break;case 20:this._optionsService.options.convertEol=!0}return!0}setModePrivate(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!0;break;case 2:this._charsetService.setgCharset(0,o.DEFAULT_CHARSET),this._charsetService.setgCharset(1,o.DEFAULT_CHARSET),this._charsetService.setgCharset(2,o.DEFAULT_CHARSET),this._charsetService.setgCharset(3,o.DEFAULT_CHARSET);break;case 3:this._optionsService.rawOptions.windowOptions.setWinLines&&(this._bufferService.resize(132,this._bufferService.rows),this._onRequestReset.fire());break;case 6:this._coreService.decPrivateModes.origin=!0,this._setCursor(0,0);break;case 7:this._coreService.decPrivateModes.wraparound=!0;break;case 12:this._optionsService.options.cursorBlink=!0;break;case 45:this._coreService.decPrivateModes.reverseWraparound=!0;break;case 66:this._logService.debug("Serial port requested application keypad."),this._coreService.decPrivateModes.applicationKeypad=!0,this._onRequestSyncScrollBar.fire();break;case 9:this._coreMouseService.activeProtocol="X10";break;case 1e3:this._coreMouseService.activeProtocol="VT200";break;case 1002:this._coreMouseService.activeProtocol="DRAG";break;case 1003:this._coreMouseService.activeProtocol="ANY";break;case 1004:this._coreService.decPrivateModes.sendFocus=!0,this._onRequestSendFocus.fire();break;case 1005:this._logService.debug("DECSET 1005 not supported (see #2507)");break;case 1006:this._coreMouseService.activeEncoding="SGR";break;case 1015:this._logService.debug("DECSET 1015 not supported (see #2507)");break;case 1016:this._coreMouseService.activeEncoding="SGR_PIXELS";break;case 25:this._coreService.isCursorHidden=!1;break;case 1048:this.saveCursor();break;case 1049:this.saveCursor();case 47:case 1047:this._bufferService.buffers.activateAltBuffer(this._eraseAttrData()),this._coreService.isCursorInitialized=!0,this._onRequestRefreshRows.fire(0,this._bufferService.rows-1),this._onRequestSyncScrollBar.fire();break;case 2004:this._coreService.decPrivateModes.bracketedPasteMode=!0}return!0}resetMode(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 4:this._coreService.modes.insertMode=!1;break;case 20:this._optionsService.options.convertEol=!1}return!0}resetModePrivate(e){for(let t=0;t<e.length;t++)switch(e.params[t]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!1;break;case 3:this._optionsService.rawOptions.windowOptions.setWinLines&&(this._bufferService.resize(80,this._bufferService.rows),this._onRequestReset.fire());break;case 6:this._coreService.decPrivateModes.origin=!1,this._setCursor(0,0);break;case 7:this._coreService.decPrivateModes.wraparound=!1;break;case 12:this._optionsService.options.cursorBlink=!1;break;case 45:this._coreService.decPrivateModes.reverseWraparound=!1;break;case 66:this._logService.debug("Switching back to normal keypad."),this._coreService.decPrivateModes.applicationKeypad=!1,this._onRequestSyncScrollBar.fire();break;case 9:case 1e3:case 1002:case 1003:this._coreMouseService.activeProtocol="NONE";break;case 1004:this._coreService.decPrivateModes.sendFocus=!1;break;case 1005:this._logService.debug("DECRST 1005 not supported (see #2507)");break;case 1006:case 1016:this._coreMouseService.activeEncoding="DEFAULT";break;case 1015:this._logService.debug("DECRST 1015 not supported (see #2507)");break;case 25:this._coreService.isCursorHidden=!0;break;case 1048:this.restoreCursor();break;case 1049:case 47:case 1047:this._bufferService.buffers.activateNormalBuffer(),1049===e.params[t]&&this.restoreCursor(),this._coreService.isCursorInitialized=!0,this._onRequestRefreshRows.fire(0,this._bufferService.rows-1),this._onRequestSyncScrollBar.fire();break;case 2004:this._coreService.decPrivateModes.bracketedPasteMode=!1}return!0}requestMode(e,t){const i=this._coreService.decPrivateModes,{activeProtocol:s,activeEncoding:r}=this._coreMouseService,o=this._coreService,{buffers:a,cols:h}=this._bufferService,{active:c,alt:l}=a,d=this._optionsService.rawOptions,_=e=>e?1:2,u=e.params[0];return f=u,v=t?2===u?4:4===u?_(o.modes.insertMode):12===u?3:20===u?_(d.convertEol):0:1===u?_(i.applicationCursorKeys):3===u?d.windowOptions.setWinLines?80===h?2:132===h?1:0:0:6===u?_(i.origin):7===u?_(i.wraparound):8===u?3:9===u?_("X10"===s):12===u?_(d.cursorBlink):25===u?_(!o.isCursorHidden):45===u?_(i.reverseWraparound):66===u?_(i.applicationKeypad):67===u?4:1e3===u?_("VT200"===s):1002===u?_("DRAG"===s):1003===u?_("ANY"===s):1004===u?_(i.sendFocus):1005===u?4:1006===u?_("SGR"===r):1015===u?4:1016===u?_("SGR_PIXELS"===r):1048===u?1:47===u||1047===u||1049===u?_(c===l):2004===u?_(i.bracketedPasteMode):0,o.triggerDataEvent(`${n.C0.ESC}[${t?"":"?"}${f};${v}$y`),!0;var f,v}_updateAttrColor(e,t,i,s,r){return 2===t?(e|=50331648,e&=-16777216,e|=f.AttributeData.fromColorRGB([i,s,r])):5===t&&(e&=-50331904,e|=33554432|255&i),e}_extractColor(e,t,i){const s=[0,0,-1,0,0,0];let r=0,n=0;do{if(s[n+r]=e.params[t+n],e.hasSubParams(t+n)){const i=e.getSubParams(t+n);let o=0;do{5===s[1]&&(r=1),s[n+o+1+r]=i[o]}while(++o<i.length&&o+n+1+r<s.length);break}if(5===s[1]&&n+r>=2||2===s[1]&&n+r>=5)break;s[1]&&(r=1)}while(++n+t<e.length&&n+r<s.length);for(let e=2;e<s.length;++e)-1===s[e]&&(s[e]=0);switch(s[0]){case 38:i.fg=this._updateAttrColor(i.fg,s[1],s[3],s[4],s[5]);break;case 48:i.bg=this._updateAttrColor(i.bg,s[1],s[3],s[4],s[5]);break;case 58:i.extended=i.extended.clone(),i.extended.underlineColor=this._updateAttrColor(i.extended.underlineColor,s[1],s[3],s[4],s[5])}return n}_processUnderline(e,t){t.extended=t.extended.clone(),(!~e||e>5)&&(e=1),t.extended.underlineStyle=e,t.fg|=268435456,0===e&&(t.fg&=-268435457),t.updateExtended()}_processSGR0(e){e.fg=l.DEFAULT_ATTR_DATA.fg,e.bg=l.DEFAULT_ATTR_DATA.bg,e.extended=e.extended.clone(),e.extended.underlineStyle=0,e.extended.underlineColor&=-67108864,e.updateExtended()}charAttributes(e){if(1===e.length&&0===e.params[0])return this._processSGR0(this._curAttrData),!0;const t=e.length;let i;const s=this._curAttrData;for(let r=0;r<t;r++)i=e.params[r],i>=30&&i<=37?(s.fg&=-50331904,s.fg|=16777216|i-30):i>=40&&i<=47?(s.bg&=-50331904,s.bg|=16777216|i-40):i>=90&&i<=97?(s.fg&=-50331904,s.fg|=16777224|i-90):i>=100&&i<=107?(s.bg&=-50331904,s.bg|=16777224|i-100):0===i?this._processSGR0(s):1===i?s.fg|=134217728:3===i?s.bg|=67108864:4===i?(s.fg|=268435456,this._processUnderline(e.hasSubParams(r)?e.getSubParams(r)[0]:1,s)):5===i?s.fg|=536870912:7===i?s.fg|=67108864:8===i?s.fg|=1073741824:9===i?s.fg|=2147483648:2===i?s.bg|=134217728:21===i?this._processUnderline(2,s):22===i?(s.fg&=-134217729,s.bg&=-134217729):23===i?s.bg&=-67108865:24===i?(s.fg&=-268435457,this._processUnderline(0,s)):25===i?s.fg&=-536870913:27===i?s.fg&=-67108865:28===i?s.fg&=-1073741825:29===i?s.fg&=2147483647:39===i?(s.fg&=-67108864,s.fg|=16777215&l.DEFAULT_ATTR_DATA.fg):49===i?(s.bg&=-67108864,s.bg|=16777215&l.DEFAULT_ATTR_DATA.bg):38===i||48===i||58===i?r+=this._extractColor(e,r,s):53===i?s.bg|=1073741824:55===i?s.bg&=-1073741825:59===i?(s.extended=s.extended.clone(),s.extended.underlineColor=-1,s.updateExtended()):100===i?(s.fg&=-67108864,s.fg|=16777215&l.DEFAULT_ATTR_DATA.fg,s.bg&=-67108864,s.bg|=16777215&l.DEFAULT_ATTR_DATA.bg):this._logService.debug("Unknown 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this._windowTitle=e,this._onTitleChange.fire(e),!0}setIconName(e){return this._iconName=e,!0}setOrReportIndexedColor(e){const t=[],i=e.split(";");for(;i.length>1;){const e=i.shift(),s=i.shift();if(/^\d+$/.exec(e)){const i=parseInt(e);if(L(i))if("?"===s)t.push({type:0,index:i});else{const e=(0,m.parseColor)(s);e&&t.push({type:1,index:i,color:e})}}}return t.length&&this._onColor.fire(t),!0}setHyperlink(e){const t=e.split(";");return!(t.length<2)&&(t[1]?this._createHyperlink(t[0],t[1]):!t[0]&&this._finishHyperlink())}_createHyperlink(e,t){this._getCurrentLinkId()&&this._finishHyperlink();const i=e.split(":");let s;const r=i.findIndex((e=>e.startsWith("id=")));return-1!==r&&(s=i[r].slice(3)||void 0),this._curAttrData.extended=this._curAttrData.extended.clone(),this._curAttrData.extended.urlId=this._oscLinkService.registerLink({id:s,uri:t}),this._curAttrData.updateExtended(),!0}_finishHyperlink(){return 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i=t.isNode?"node":navigator.userAgent,s=t.isNode?"node":navigator.platform;t.isFirefox=i.includes("Firefox"),t.isLegacyEdge=i.includes("Edge"),t.isSafari=/^((?!chrome|android).)*safari/i.test(i),t.getSafariVersion=function(){if(!t.isSafari)return 0;const e=i.match(/Version\/(\d+)/);return null===e||e.length<2?0:parseInt(e[1])},t.isMac=["Macintosh","MacIntel","MacPPC","Mac68K"].includes(s),t.isIpad="iPad"===s,t.isIphone="iPhone"===s,t.isWindows=["Windows","Win16","Win32","WinCE"].includes(s),t.isLinux=s.indexOf("Linux")>=0,t.isChromeOS=/\bCrOS\b/.test(i)},6106:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.SortedList=void 0;let i=0;t.SortedList=class{constructor(e){this._getKey=e,this._array=[]}clear(){this._array.length=0}insert(e){0!==this._array.length?(i=this._search(this._getKey(e)),this._array.splice(i,0,e)):this._array.push(e)}delete(e){if(0===this._array.length)return!1;const t=this._getKey(e);if(void 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setTimeout((()=>e(this._createDeadline(16))))}_cancelCallback(e){clearTimeout(e)}_createDeadline(e){const t=Date.now()+e;return{timeRemaining:()=>Math.max(0,t-Date.now())}}}t.PriorityTaskQueue=n,t.IdleTaskQueue=!s.isNode&&"requestIdleCallback"in window?class extends r{_requestCallback(e){return requestIdleCallback(e)}_cancelCallback(e){cancelIdleCallback(e)}}:n,t.DebouncedIdleTask=class{constructor(){this._queue=new t.IdleTaskQueue}set(e){this._queue.clear(),this._queue.enqueue(e)}flush(){this._queue.flush()}}},9282:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.updateWindowsModeWrappedState=void 0;const s=i(643);t.updateWindowsModeWrappedState=function(e){const t=e.buffer.lines.get(e.buffer.ybase+e.buffer.y-1),i=null==t?void 0:t.get(e.cols-1),r=e.buffer.lines.get(e.buffer.ybase+e.buffer.y);r&&i&&(r.isWrapped=i[s.CHAR_DATA_CODE_INDEX]!==s.NULL_CELL_CODE&&i[s.CHAR_DATA_CODE_INDEX]!==s.WHITESPACE_CELL_CODE)}},3734:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.ExtendedAttrs=t.AttributeData=void 0;class i{constructor(){this.fg=0,this.bg=0,this.extended=new s}static toColorRGB(e){return[e>>>16&255,e>>>8&255,255&e]}static fromColorRGB(e){return(255&e[0])<<16|(255&e[1])<<8|255&e[2]}clone(){const e=new i;return e.fg=this.fg,e.bg=this.bg,e.extended=this.extended.clone(),e}isInverse(){return 67108864&this.fg}isBold(){return 134217728&this.fg}isUnderline(){return this.hasExtendedAttrs()&&0!==this.extended.underlineStyle?1:268435456&this.fg}isBlink(){return 536870912&this.fg}isInvisible(){return 1073741824&this.fg}isItalic(){return 67108864&this.bg}isDim(){return 134217728&this.bg}isStrikethrough(){return 2147483648&this.fg}isProtected(){return 536870912&this.bg}isOverline(){return 1073741824&this.bg}getFgColorMode(){return 50331648&this.fg}getBgColorMode(){return 50331648&this.bg}isFgRGB(){return 50331648==(50331648&this.fg)}isBgRGB(){return 50331648==(50331648&this.bg)}isFgPalette(){return 16777216==(50331648&this.fg)||33554432==(50331648&this.fg)}isBgPalette(){return 16777216==(50331648&this.bg)||33554432==(50331648&this.bg)}isFgDefault(){return 0==(50331648&this.fg)}isBgDefault(){return 0==(50331648&this.bg)}isAttributeDefault(){return 0===this.fg&&0===this.bg}getFgColor(){switch(50331648&this.fg){case 16777216:case 33554432:return 255&this.fg;case 50331648:return 16777215&this.fg;default:return-1}}getBgColor(){switch(50331648&this.bg){case 16777216:case 33554432:return 255&this.bg;case 50331648:return 16777215&this.bg;default:return-1}}hasExtendedAttrs(){return 268435456&this.bg}updateExtended(){this.extended.isEmpty()?this.bg&=-268435457:this.bg|=268435456}getUnderlineColor(){if(268435456&this.bg&&~this.extended.underlineColor)switch(50331648&this.extended.underlineColor){case 16777216:case 33554432:return 255&this.extended.underlineColor;case 50331648:return 16777215&this.extended.underlineColor;default:return this.getFgColor()}return this.getFgColor()}getUnderlineColorMode(){return 268435456&this.bg&&~this.extended.underlineColor?50331648&this.extended.underlineColor:this.getFgColorMode()}isUnderlineColorRGB(){return 268435456&this.bg&&~this.extended.underlineColor?50331648==(50331648&this.extended.underlineColor):this.isFgRGB()}isUnderlineColorPalette(){return 268435456&this.bg&&~this.extended.underlineColor?16777216==(50331648&this.extended.underlineColor)||33554432==(50331648&this.extended.underlineColor):this.isFgPalette()}isUnderlineColorDefault(){return 268435456&this.bg&&~this.extended.underlineColor?0==(50331648&this.extended.underlineColor):this.isFgDefault()}getUnderlineStyle(){return 268435456&this.fg?268435456&this.bg?this.extended.underlineStyle:1:0}}t.AttributeData=i;class s{get ext(){return this._urlId?-469762049&this._ext|this.underlineStyle<<26:this._ext}set ext(e){this._ext=e}get underlineStyle(){return this._urlId?5:(469762048&this._ext)>>26}set underlineStyle(e){this._ext&=-469762049,this._ext|=e<<26&469762048}get underlineColor(){return 67108863&this._ext}set underlineColor(e){this._ext&=-67108864,this._ext|=67108863&e}get urlId(){return this._urlId}set urlId(e){this._urlId=e}constructor(e=0,t=0){this._ext=0,this._urlId=0,this._ext=e,this._urlId=t}clone(){return new s(this._ext,this._urlId)}isEmpty(){return 0===this.underlineStyle&&0===this._urlId}}t.ExtendedAttrs=s},9092:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.Buffer=t.MAX_BUFFER_SIZE=void 0;const s=i(6349),r=i(7226),n=i(3734),o=i(8437),a=i(4634),h=i(511),c=i(643),l=i(4863),d=i(7116);t.MAX_BUFFER_SIZE=4294967295,t.Buffer=class{constructor(e,t,i){this._hasScrollback=e,this._optionsService=t,this._bufferService=i,this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.tabs={},this.savedY=0,this.savedX=0,this.savedCurAttrData=o.DEFAULT_ATTR_DATA.clone(),this.savedCharset=d.DEFAULT_CHARSET,this.markers=[],this._nullCell=h.CellData.fromCharData([0,c.NULL_CELL_CHAR,c.NULL_CELL_WIDTH,c.NULL_CELL_CODE]),this._whitespaceCell=h.CellData.fromCharData([0,c.WHITESPACE_CELL_CHAR,c.WHITESPACE_CELL_WIDTH,c.WHITESPACE_CELL_CODE]),this._isClearing=!1,this._memoryCleanupQueue=new r.IdleTaskQueue,this._memoryCleanupPosition=0,this._cols=this._bufferService.cols,this._rows=this._bufferService.rows,this.lines=new s.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()}getNullCell(e){return e?(this._nullCell.fg=e.fg,this._nullCell.bg=e.bg,this._nullCell.extended=e.extended):(this._nullCell.fg=0,this._nullCell.bg=0,this._nullCell.extended=new n.ExtendedAttrs),this._nullCell}getWhitespaceCell(e){return e?(this._whitespaceCell.fg=e.fg,this._whitespaceCell.bg=e.bg,this._whitespaceCell.extended=e.extended):(this._whitespaceCell.fg=0,this._whitespaceCell.bg=0,this._whitespaceCell.extended=new n.ExtendedAttrs),this._whitespaceCell}getBlankLine(e,t){return new o.BufferLine(this._bufferService.cols,this.getNullCell(e),t)}get hasScrollback(){return this._hasScrollback&&this.lines.maxLength>this._rows}get isCursorInViewport(){const e=this.ybase+this.y-this.ydisp;return e>=0&&e<this._rows}_getCorrectBufferLength(e){if(!this._hasScrollback)return e;const i=e+this._optionsService.rawOptions.scrollback;return i>t.MAX_BUFFER_SIZE?t.MAX_BUFFER_SIZE:i}fillViewportRows(e){if(0===this.lines.length){void 0===e&&(e=o.DEFAULT_ATTR_DATA);let t=this._rows;for(;t--;)this.lines.push(this.getBlankLine(e))}}clear(){this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.lines=new s.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()}resize(e,t){const i=this.getNullCell(o.DEFAULT_ATTR_DATA);let s=0;const r=this._getCorrectBufferLength(t);if(r>this.lines.maxLength&&(this.lines.maxLength=r),this.lines.length>0){if(this._cols<e)for(let t=0;t<this.lines.length;t++)s+=+this.lines.get(t).resize(e,i);let n=0;if(this._rows<t)for(let s=this._rows;s<t;s++)this.lines.length<t+this.ybase&&(this._optionsService.rawOptions.windowsMode||void 0!==this._optionsService.rawOptions.windowsPty.backend||void 0!==this._optionsService.rawOptions.windowsPty.buildNumber?this.lines.push(new o.BufferLine(e,i)):this.ybase>0&&this.lines.length<=this.ybase+this.y+n+1?(this.ybase--,n++,this.ydisp>0&&this.ydisp--):this.lines.push(new o.BufferLine(e,i)));else for(let e=this._rows;e>t;e--)this.lines.length>t+this.ybase&&(this.lines.length>this.ybase+this.y+1?this.lines.pop():(this.ybase++,this.ydisp++));if(r<this.lines.maxLength){const e=this.lines.length-r;e>0&&(this.lines.trimStart(e),this.ybase=Math.max(this.ybase-e,0),this.ydisp=Math.max(this.ydisp-e,0),this.savedY=Math.max(this.savedY-e,0)),this.lines.maxLength=r}this.x=Math.min(this.x,e-1),this.y=Math.min(this.y,t-1),n&&(this.y+=n),this.savedX=Math.min(this.savedX,e-1),this.scrollTop=0}if(this.scrollBottom=t-1,this._isReflowEnabled&&(this._reflow(e,t),this._cols>e))for(let t=0;t<this.lines.length;t++)s+=+this.lines.get(t).resize(e,i);this._cols=e,this._rows=t,this._memoryCleanupQueue.clear(),s>.1*this.lines.length&&(this._memoryCleanupPosition=0,this._memoryCleanupQueue.enqueue((()=>this._batchedMemoryCleanup())))}_batchedMemoryCleanup(){let e=!0;this._memoryCleanupPosition>=this.lines.length&&(this._memoryCleanupPosition=0,e=!1);let t=0;for(;this._memoryCleanupPosition<this.lines.length;)if(t+=this.lines.get(this._memoryCleanupPosition++).cleanupMemory(),t>100)return!0;return e}get _isReflowEnabled(){const e=this._optionsService.rawOptions.windowsPty;return e&&e.buildNumber?this._hasScrollback&&"conpty"===e.backend&&e.buildNumber>=21376:this._hasScrollback&&!this._optionsService.rawOptions.windowsMode}_reflow(e,t){this._cols!==e&&(e>this._cols?this._reflowLarger(e,t):this._reflowSmaller(e,t))}_reflowLarger(e,t){const i=(0,a.reflowLargerGetLinesToRemove)(this.lines,this._cols,e,this.ybase+this.y,this.getNullCell(o.DEFAULT_ATTR_DATA));if(i.length>0){const s=(0,a.reflowLargerCreateNewLayout)(this.lines,i);(0,a.reflowLargerApplyNewLayout)(this.lines,s.layout),this._reflowLargerAdjustViewport(e,t,s.countRemoved)}}_reflowLargerAdjustViewport(e,t,i){const s=this.getNullCell(o.DEFAULT_ATTR_DATA);let r=i;for(;r-- >0;)0===this.ybase?(this.y>0&&this.y--,this.lines.length<t&&this.lines.push(new o.BufferLine(e,s))):(this.ydisp===this.ybase&&this.ydisp--,this.ybase--);this.savedY=Math.max(this.savedY-i,0)}_reflowSmaller(e,t){const i=this.getNullCell(o.DEFAULT_ATTR_DATA),s=[];let r=0;for(let n=this.lines.length-1;n>=0;n--){let h=this.lines.get(n);if(!h||!h.isWrapped&&h.getTrimmedLength()<=e)continue;const c=[h];for(;h.isWrapped&&n>0;)h=this.lines.get(--n),c.unshift(h);const l=this.ybase+this.y;if(l>=n&&l<n+c.length)continue;const d=c[c.length-1].getTrimmedLength(),_=(0,a.reflowSmallerGetNewLineLengths)(c,this._cols,e),u=_.length-c.length;let f;f=0===this.ybase&&this.y!==this.lines.length-1?Math.max(0,this.y-this.lines.maxLength+u):Math.max(0,this.lines.length-this.lines.maxLength+u);const v=[];for(let e=0;e<u;e++){const e=this.getBlankLine(o.DEFAULT_ATTR_DATA,!0);v.push(e)}v.length>0&&(s.push({start:n+c.length+r,newLines:v}),r+=v.length),c.push(...v);let p=_.length-1,g=_[p];0===g&&(p--,g=_[p]);let m=c.length-u-1,S=d;for(;m>=0;){const e=Math.min(S,g);if(void 0===c[p])break;if(c[p].copyCellsFrom(c[m],S-e,g-e,e,!0),g-=e,0===g&&(p--,g=_[p]),S-=e,0===S){m--;const e=Math.max(m,0);S=(0,a.getWrappedLineTrimmedLength)(c,e,this._cols)}}for(let t=0;t<c.length;t++)_[t]<e&&c[t].setCell(_[t],i);let C=u-f;for(;C-- >0;)0===this.ybase?this.y<t-1?(this.y++,this.lines.pop()):(this.ybase++,this.ydisp++):this.ybase<Math.min(this.lines.maxLength,this.lines.length+r)-t&&(this.ybase===this.ydisp&&this.ydisp++,this.ybase++);this.savedY=Math.min(this.savedY+u,this.ybase+t-1)}if(s.length>0){const e=[],t=[];for(let e=0;e<this.lines.length;e++)t.push(this.lines.get(e));const i=this.lines.length;let n=i-1,o=0,a=s[o];this.lines.length=Math.min(this.lines.maxLength,this.lines.length+r);let h=0;for(let c=Math.min(this.lines.maxLength-1,i+r-1);c>=0;c--)if(a&&a.start>n+h){for(let e=a.newLines.length-1;e>=0;e--)this.lines.set(c--,a.newLines[e]);c++,e.push({index:n+1,amount:a.newLines.length}),h+=a.newLines.length,a=s[++o]}else this.lines.set(c,t[n--]);let c=0;for(let t=e.length-1;t>=0;t--)e[t].index+=c,this.lines.onInsertEmitter.fire(e[t]),c+=e[t].amount;const l=Math.max(0,i+r-this.lines.maxLength);l>0&&this.lines.onTrimEmitter.fire(l)}}translateBufferLineToString(e,t,i=0,s){const r=this.lines.get(e);return r?r.translateToString(t,i,s):""}getWrappedRangeForLine(e){let t=e,i=e;for(;t>0&&this.lines.get(t).isWrapped;)t--;for(;i+1<this.lines.length&&this.lines.get(i+1).isWrapped;)i++;return{first:t,last:i}}setupTabStops(e){for(null!=e?this.tabs[e]||(e=this.prevStop(e)):(this.tabs={},e=0);e<this._cols;e+=this._optionsService.rawOptions.tabStopWidth)this.tabs[e]=!0}prevStop(e){for(null==e&&(e=this.x);!this.tabs[--e]&&e>0;);return e>=this._cols?this._cols-1:e<0?0:e}nextStop(e){for(null==e&&(e=this.x);!this.tabs[++e]&&e<this._cols;);return e>=this._cols?this._cols-1:e<0?0:e}clearMarkers(e){this._isClearing=!0;for(let t=0;t<this.markers.length;t++)this.markers[t].line===e&&(this.markers[t].dispose(),this.markers.splice(t--,1));this._isClearing=!1}clearAllMarkers(){this._isClearing=!0;for(let e=0;e<this.markers.length;e++)this.markers[e].dispose(),this.markers.splice(e--,1);this._isClearing=!1}addMarker(e){const t=new l.Marker(e);return this.markers.push(t),t.register(this.lines.onTrim((e=>{t.line-=e,t.line<0&&t.dispose()}))),t.register(this.lines.onInsert((e=>{t.line>=e.index&&(t.line+=e.amount)}))),t.register(this.lines.onDelete((e=>{t.line>=e.index&&t.line<e.index+e.amount&&t.dispose(),t.line>e.index&&(t.line-=e.amount)}))),t.register(t.onDispose((()=>this._removeMarker(t)))),t}_removeMarker(e){this._isClearing||this.markers.splice(this.markers.indexOf(e),1)}}},8437:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.BufferLine=t.DEFAULT_ATTR_DATA=void 0;const s=i(3734),r=i(511),n=i(643),o=i(482);t.DEFAULT_ATTR_DATA=Object.freeze(new s.AttributeData);let a=0;class h{constructor(e,t,i=!1){this.isWrapped=i,this._combined={},this._extendedAttrs={},this._data=new Uint32Array(3*e);const s=t||r.CellData.fromCharData([0,n.NULL_CELL_CHAR,n.NULL_CELL_WIDTH,n.NULL_CELL_CODE]);for(let t=0;t<e;++t)this.setCell(t,s);this.length=e}get(e){const t=this._data[3*e+0],i=2097151&t;return[this._data[3*e+1],2097152&t?this._combined[e]:i?(0,o.stringFromCodePoint)(i):"",t>>22,2097152&t?this._combined[e].charCodeAt(this._combined[e].length-1):i]}set(e,t){this._data[3*e+1]=t[n.CHAR_DATA_ATTR_INDEX],t[n.CHAR_DATA_CHAR_INDEX].length>1?(this._combined[e]=t[1],this._data[3*e+0]=2097152|e|t[n.CHAR_DATA_WIDTH_INDEX]<<22):this._data[3*e+0]=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(0)|t[n.CHAR_DATA_WIDTH_INDEX]<<22}getWidth(e){return this._data[3*e+0]>>22}hasWidth(e){return 12582912&this._data[3*e+0]}getFg(e){return this._data[3*e+1]}getBg(e){return this._data[3*e+2]}hasContent(e){return 4194303&this._data[3*e+0]}getCodePoint(e){const t=this._data[3*e+0];return 2097152&t?this._combined[e].charCodeAt(this._combined[e].length-1):2097151&t}isCombined(e){return 2097152&this._data[3*e+0]}getString(e){const t=this._data[3*e+0];return 2097152&t?this._combined[e]:2097151&t?(0,o.stringFromCodePoint)(2097151&t):""}isProtected(e){return 536870912&this._data[3*e+2]}loadCell(e,t){return a=3*e,t.content=this._data[a+0],t.fg=this._data[a+1],t.bg=this._data[a+2],2097152&t.content&&(t.combinedData=this._combined[e]),268435456&t.bg&&(t.extended=this._extendedAttrs[e]),t}setCell(e,t){2097152&t.content&&(this._combined[e]=t.combinedData),268435456&t.bg&&(this._extendedAttrs[e]=t.extended),this._data[3*e+0]=t.content,this._data[3*e+1]=t.fg,this._data[3*e+2]=t.bg}setCellFromCodePoint(e,t,i,s,r,n){268435456&r&&(this._extendedAttrs[e]=n),this._data[3*e+0]=t|i<<22,this._data[3*e+1]=s,this._data[3*e+2]=r}addCodepointToCell(e,t){let i=this._data[3*e+0];2097152&i?this._combined[e]+=(0,o.stringFromCodePoint)(t):(2097151&i?(this._combined[e]=(0,o.stringFromCodePoint)(2097151&i)+(0,o.stringFromCodePoint)(t),i&=-2097152,i|=2097152):i=t|1<<22,this._data[3*e+0]=i)}insertCells(e,t,i,n){if((e%=this.length)&&2===this.getWidth(e-1)&&this.setCellFromCodePoint(e-1,0,1,(null==n?void 0:n.fg)||0,(null==n?void 0:n.bg)||0,(null==n?void 0:n.extended)||new s.ExtendedAttrs),t<this.length-e){const s=new r.CellData;for(let i=this.length-e-t-1;i>=0;--i)this.setCell(e+t+i,this.loadCell(e+i,s));for(let s=0;s<t;++s)this.setCell(e+s,i)}else for(let t=e;t<this.length;++t)this.setCell(t,i);2===this.getWidth(this.length-1)&&this.setCellFromCodePoint(this.length-1,0,1,(null==n?void 0:n.fg)||0,(null==n?void 0:n.bg)||0,(null==n?void 0:n.extended)||new s.ExtendedAttrs)}deleteCells(e,t,i,n){if(e%=this.length,t<this.length-e){const s=new r.CellData;for(let i=0;i<this.length-e-t;++i)this.setCell(e+i,this.loadCell(e+t+i,s));for(let e=this.length-t;e<this.length;++e)this.setCell(e,i)}else for(let t=e;t<this.length;++t)this.setCell(t,i);e&&2===this.getWidth(e-1)&&this.setCellFromCodePoint(e-1,0,1,(null==n?void 0:n.fg)||0,(null==n?void 0:n.bg)||0,(null==n?void 0:n.extended)||new s.ExtendedAttrs),0!==this.getWidth(e)||this.hasContent(e)||this.setCellFromCodePoint(e,0,1,(null==n?void 0:n.fg)||0,(null==n?void 0:n.bg)||0,(null==n?void 0:n.extended)||new s.ExtendedAttrs)}replaceCells(e,t,i,r,n=!1){if(n)for(e&&2===this.getWidth(e-1)&&!this.isProtected(e-1)&&this.setCellFromCodePoint(e-1,0,1,(null==r?void 0:r.fg)||0,(null==r?void 0:r.bg)||0,(null==r?void 0:r.extended)||new s.ExtendedAttrs),t<this.length&&2===this.getWidth(t-1)&&!this.isProtected(t)&&this.setCellFromCodePoint(t,0,1,(null==r?void 0:r.fg)||0,(null==r?void 0:r.bg)||0,(null==r?void 0:r.extended)||new s.ExtendedAttrs);e<t&&e<this.length;)this.isProtected(e)||this.setCell(e,i),e++;else for(e&&2===this.getWidth(e-1)&&this.setCellFromCodePoint(e-1,0,1,(null==r?void 0:r.fg)||0,(null==r?void 0:r.bg)||0,(null==r?void 0:r.extended)||new s.ExtendedAttrs),t<this.length&&2===this.getWidth(t-1)&&this.setCellFromCodePoint(t,0,1,(null==r?void 0:r.fg)||0,(null==r?void 0:r.bg)||0,(null==r?void 0:r.extended)||new s.ExtendedAttrs);e<t&&e<this.length;)this.setCell(e++,i)}resize(e,t){if(e===this.length)return 4*this._data.length*2<this._data.buffer.byteLength;const i=3*e;if(e>this.length){if(this._data.buffer.byteLength>=4*i)this._data=new Uint32Array(this._data.buffer,0,i);else{const e=new Uint32Array(i);e.set(this._data),this._data=e}for(let i=this.length;i<e;++i)this.setCell(i,t)}else{this._data=this._data.subarray(0,i);const t=Object.keys(this._combined);for(let i=0;i<t.length;i++){const s=parseInt(t[i],10);s>=e&&delete this._combined[s]}const s=Object.keys(this._extendedAttrs);for(let t=0;t<s.length;t++){const i=parseInt(s[t],10);i>=e&&delete this._extendedAttrs[i]}}return this.length=e,4*i*2<this._data.buffer.byteLength}cleanupMemory(){if(4*this._data.length*2<this._data.buffer.byteLength){const e=new Uint32Array(this._data.length);return e.set(this._data),this._data=e,1}return 0}fill(e,t=!1){if(t)for(let t=0;t<this.length;++t)this.isProtected(t)||this.setCell(t,e);else{this._combined={},this._extendedAttrs={};for(let t=0;t<this.length;++t)this.setCell(t,e)}}copyFrom(e){this.length!==e.length?this._data=new Uint32Array(e._data):this._data.set(e._data),this.length=e.length,this._combined={};for(const t in e._combined)this._combined[t]=e._combined[t];this._extendedAttrs={};for(const t in e._extendedAttrs)this._extendedAttrs[t]=e._extendedAttrs[t];this.isWrapped=e.isWrapped}clone(){const e=new h(0);e._data=new Uint32Array(this._data),e.length=this.length;for(const t in this._combined)e._combined[t]=this._combined[t];for(const t in this._extendedAttrs)e._extendedAttrs[t]=this._extendedAttrs[t];return e.isWrapped=this.isWrapped,e}getTrimmedLength(){for(let e=this.length-1;e>=0;--e)if(4194303&this._data[3*e+0])return e+(this._data[3*e+0]>>22);return 0}getNoBgTrimmedLength(){for(let e=this.length-1;e>=0;--e)if(4194303&this._data[3*e+0]||50331648&this._data[3*e+2])return e+(this._data[3*e+0]>>22);return 0}copyCellsFrom(e,t,i,s,r){const n=e._data;if(r)for(let r=s-1;r>=0;r--){for(let e=0;e<3;e++)this._data[3*(i+r)+e]=n[3*(t+r)+e];268435456&n[3*(t+r)+2]&&(this._extendedAttrs[i+r]=e._extendedAttrs[t+r])}else for(let r=0;r<s;r++){for(let e=0;e<3;e++)this._data[3*(i+r)+e]=n[3*(t+r)+e];268435456&n[3*(t+r)+2]&&(this._extendedAttrs[i+r]=e._extendedAttrs[t+r])}const o=Object.keys(e._combined);for(let s=0;s<o.length;s++){const r=parseInt(o[s],10);r>=t&&(this._combined[r-t+i]=e._combined[r])}}translateToString(e=!1,t=0,i=this.length){e&&(i=Math.min(i,this.getTrimmedLength()));let s="";for(;t<i;){const e=this._data[3*t+0],i=2097151&e;s+=2097152&e?this._combined[t]:i?(0,o.stringFromCodePoint)(i):n.WHITESPACE_CELL_CHAR,t+=e>>22||1}return s}}t.BufferLine=h},4841:(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.getRangeLength=void 0,t.getRangeLength=function(e,t){if(e.start.y>e.end.y)throw new Error(`Buffer range end (${e.end.x}, ${e.end.y}) cannot be before start (${e.start.x}, ${e.start.y})`);return t*(e.end.y-e.start.y)+(e.end.x-e.start.x+1)}},4634:(e,t)=>{function i(e,t,i){if(t===e.length-1)return e[t].getTrimmedLength();const s=!e[t].hasContent(i-1)&&1===e[t].getWidth(i-1),r=2===e[t+1].getWidth(0);return s&&r?i-1:i}Object.defineProperty(t,"__esModule",{value:!0}),t.getWrappedLineTrimmedLength=t.reflowSmallerGetNewLineLengths=t.reflowLargerApplyNewLayout=t.reflowLargerCreateNewLayout=t.reflowLargerGetLinesToRemove=void 0,t.reflowLargerGetLinesToRemove=function(e,t,s,r,n){const o=[];for(let a=0;a<e.length-1;a++){let h=a,c=e.get(++h);if(!c.isWrapped)continue;const l=[e.get(a)];for(;h<e.length&&c.isWrapped;)l.push(c),c=e.get(++h);if(r>=a&&r<h){a+=l.length-1;continue}let d=0,_=i(l,d,t),u=1,f=0;for(;u<l.length;){const e=i(l,u,t),r=e-f,o=s-_,a=Math.min(r,o);l[d].copyCellsFrom(l[u],f,_,a,!1),_+=a,_===s&&(d++,_=0),f+=a,f===e&&(u++,f=0),0===_&&0!==d&&2===l[d-1].getWidth(s-1)&&(l[d].copyCellsFrom(l[d-1],s-1,_++,1,!1),l[d-1].setCell(s-1,n))}l[d].replaceCells(_,s,n);let v=0;for(let e=l.length-1;e>0&&(e>d||0===l[e].getTrimmedLength());e--)v++;v>0&&(o.push(a+l.length-v),o.push(v)),a+=l.length-1}return o},t.reflowLargerCreateNewLayout=function(e,t){const i=[];let s=0,r=t[s],n=0;for(let o=0;o<e.length;o++)if(r===o){const i=t[++s];e.onDeleteEmitter.fire({index:o-n,amount:i}),o+=i-1,n+=i,r=t[++s]}else i.push(o);return{layout:i,countRemoved:n}},t.reflowLargerApplyNewLayout=function(e,t){const i=[];for(let s=0;s<t.length;s++)i.push(e.get(t[s]));for(let t=0;t<i.length;t++)e.set(t,i[t]);e.length=t.length},t.reflowSmallerGetNewLineLengths=function(e,t,s){const r=[],n=e.map(((s,r)=>i(e,r,t))).reduce(((e,t)=>e+t));let 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s=i(482),r=i(8742),n=i(5770),o=[];t.DcsParser=class{constructor(){this._handlers=Object.create(null),this._active=o,this._ident=0,this._handlerFb=()=>{},this._stack={paused:!1,loopPosition:0,fallThrough:!1}}dispose(){this._handlers=Object.create(null),this._handlerFb=()=>{},this._active=o}registerHandler(e,t){void 0===this._handlers[e]&&(this._handlers[e]=[]);const i=this._handlers[e];return i.push(t),{dispose:()=>{const e=i.indexOf(t);-1!==e&&i.splice(e,1)}}}clearHandler(e){this._handlers[e]&&delete this._handlers[e]}setHandlerFallback(e){this._handlerFb=e}reset(){if(this._active.length)for(let e=this._stack.paused?this._stack.loopPosition-1:this._active.length-1;e>=0;--e)this._active[e].unhook(!1);this._stack.paused=!1,this._active=o,this._ident=0}hook(e,t){if(this.reset(),this._ident=e,this._active=this._handlers[e]||o,this._active.length)for(let e=this._active.length-1;e>=0;e--)this._active[e].hook(t);else this._handlerFb(this._ident,"HOOK",t)}put(e,t,i){if(this._active.length)for(let s=this._active.length-1;s>=0;s--)this._active[s].put(e,t,i);else this._handlerFb(this._ident,"PUT",(0,s.utf32ToString)(e,t,i))}unhook(e,t=!0){if(this._active.length){let i=!1,s=this._active.length-1,r=!1;if(this._stack.paused&&(s=this._stack.loopPosition-1,i=t,r=this._stack.fallThrough,this._stack.paused=!1),!r&&!1===i){for(;s>=0&&(i=this._active[s].unhook(e),!0!==i);s--)if(i instanceof Promise)return this._stack.paused=!0,this._stack.loopPosition=s,this._stack.fallThrough=!1,i;s--}for(;s>=0;s--)if(i=this._active[s].unhook(!1),i instanceof Promise)return this._stack.paused=!0,this._stack.loopPosition=s,this._stack.fallThrough=!0,i}else this._handlerFb(this._ident,"UNHOOK",e);this._active=o,this._ident=0}};const a=new r.Params;a.addParam(0),t.DcsHandler=class{constructor(e){this._handler=e,this._data="",this._params=a,this._hitLimit=!1}hook(e){this._params=e.length>1||e.params[0]?e.clone():a,this._data="",this._hitLimit=!1}put(e,t,i){this._hitLimit||(this._data+=(0,s.utf32ToString)(e,t,i),this._data.length>n.PAYLOAD_LIMIT&&(this._data="",this._hitLimit=!0))}unhook(e){let t=!1;if(this._hitLimit)t=!1;else if(e&&(t=this._handler(this._data,this._params),t instanceof Promise))return t.then((e=>(this._params=a,this._data="",this._hitLimit=!1,e)));return this._params=a,this._data="",this._hitLimit=!1,t}}},2015:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.EscapeSequenceParser=t.VT500_TRANSITION_TABLE=t.TransitionTable=void 0;const s=i(844),r=i(8742),n=i(6242),o=i(6351);class a{constructor(e){this.table=new Uint8Array(e)}setDefault(e,t){this.table.fill(e<<4|t)}add(e,t,i,s){this.table[t<<8|e]=i<<4|s}addMany(e,t,i,s){for(let r=0;r<e.length;r++)this.table[t<<8|e[r]]=i<<4|s}}t.TransitionTable=a;const h=160;t.VT500_TRANSITION_TABLE=function(){const e=new a(4095),t=Array.apply(null,Array(256)).map(((e,t)=>t)),i=(e,i)=>t.slice(e,i),s=i(32,127),r=i(0,24);r.push(25),r.push.apply(r,i(28,32));const n=i(0,14);let o;for(o in e.setDefault(1,0),e.addMany(s,0,2,0),n)e.addMany([24,26,153,154],o,3,0),e.addMany(i(128,144),o,3,0),e.addMany(i(144,152),o,3,0),e.add(156,o,0,0),e.add(27,o,11,1),e.add(157,o,4,8),e.addMany([152,158,159],o,0,7),e.add(155,o,11,3),e.add(144,o,11,9);return e.addMany(r,0,3,0),e.addMany(r,1,3,1),e.add(127,1,0,1),e.addMany(r,8,0,8),e.addMany(r,3,3,3),e.add(127,3,0,3),e.addMany(r,4,3,4),e.add(127,4,0,4),e.addMany(r,6,3,6),e.addMany(r,5,3,5),e.add(127,5,0,5),e.addMany(r,2,3,2),e.add(127,2,0,2),e.add(93,1,4,8),e.addMany(s,8,5,8),e.add(127,8,5,8),e.addMany([156,27,24,26,7],8,6,0),e.addMany(i(28,32),8,0,8),e.addMany([88,94,95],1,0,7),e.addMany(s,7,0,7),e.addMany(r,7,0,7),e.add(156,7,0,0),e.add(127,7,0,7),e.add(91,1,11,3),e.addMany(i(64,127),3,7,0),e.addMany(i(48,60),3,8,4),e.addMany([60,61,62,63],3,9,4),e.addMany(i(48,60),4,8,4),e.addMany(i(64,127),4,7,0),e.addMany([60,61,62,63],4,0,6),e.addMany(i(32,64),6,0,6),e.add(127,6,0,6),e.addMany(i(64,127),6,0,0),e.addMany(i(32,48),3,9,5),e.addMany(i(32,48),5,9,5),e.addMany(i(48,64),5,0,6),e.addMany(i(64,127),5,7,0),e.addMany(i(32,48),4,9,5),e.addMany(i(32,48),1,9,2),e.addMany(i(32,48),2,9,2),e.addMany(i(48,127),2,10,0),e.addMany(i(48,80),1,10,0),e.addMany(i(81,88),1,10,0),e.addMany([89,90,92],1,10,0),e.addMany(i(96,127),1,10,0),e.add(80,1,11,9),e.addMany(r,9,0,9),e.add(127,9,0,9),e.addMany(i(28,32),9,0,9),e.addMany(i(32,48),9,9,12),e.addMany(i(48,60),9,8,10),e.addMany([60,61,62,63],9,9,10),e.addMany(r,11,0,11),e.addMany(i(32,128),11,0,11),e.addMany(i(28,32),11,0,11),e.addMany(r,10,0,10),e.add(127,10,0,10),e.addMany(i(28,32),10,0,10),e.addMany(i(48,60),10,8,10),e.addMany([60,61,62,63],10,0,11),e.addMany(i(32,48),10,9,12),e.addMany(r,12,0,12),e.add(127,12,0,12),e.addMany(i(28,32),12,0,12),e.addMany(i(32,48),12,9,12),e.addMany(i(48,64),12,0,11),e.addMany(i(64,127),12,12,13),e.addMany(i(64,127),10,12,13),e.addMany(i(64,127),9,12,13),e.addMany(r,13,13,13),e.addMany(s,13,13,13),e.add(127,13,0,13),e.addMany([27,156,24,26],13,14,0),e.add(h,0,2,0),e.add(h,8,5,8),e.add(h,6,0,6),e.add(h,11,0,11),e.add(h,13,13,13),e}();class c extends s.Disposable{constructor(e=t.VT500_TRANSITION_TABLE){super(),this._transitions=e,this._parseStack={state:0,handlers:[],handlerPos:0,transition:0,chunkPos:0},this.initialState=0,this.currentState=this.initialState,this._params=new r.Params,this._params.addParam(0),this._collect=0,this.precedingCodepoint=0,this._printHandlerFb=(e,t,i)=>{},this._executeHandlerFb=e=>{},this._csiHandlerFb=(e,t)=>{},this._escHandlerFb=e=>{},this._errorHandlerFb=e=>e,this._printHandler=this._printHandlerFb,this._executeHandlers=Object.create(null),this._csiHandlers=Object.create(null),this._escHandlers=Object.create(null),this.register((0,s.toDisposable)((()=>{this._csiHandlers=Object.create(null),this._executeHandlers=Object.create(null),this._escHandlers=Object.create(null)}))),this._oscParser=this.register(new n.OscParser),this._dcsParser=this.register(new o.DcsParser),this._errorHandler=this._errorHandlerFb,this.registerEscHandler({final:"\\"},(()=>!0))}_identifier(e,t=[64,126]){let i=0;if(e.prefix){if(e.prefix.length>1)throw new Error("only one byte as prefix supported");if(i=e.prefix.charCodeAt(0),i&&60>i||i>63)throw new Error("prefix must be in range 0x3c .. 0x3f")}if(e.intermediates){if(e.intermediates.length>2)throw new Error("only two bytes as intermediates are supported");for(let t=0;t<e.intermediates.length;++t){const s=e.intermediates.charCodeAt(t);if(32>s||s>47)throw new Error("intermediate must be in range 0x20 .. 0x2f");i<<=8,i|=s}}if(1!==e.final.length)throw new Error("final must be a single byte");const s=e.final.charCodeAt(0);if(t[0]>s||s>t[1])throw new Error(`final must be in range ${t[0]} .. ${t[1]}`);return i<<=8,i|=s,i}identToString(e){const t=[];for(;e;)t.push(String.fromCharCode(255&e)),e>>=8;return t.reverse().join("")}setPrintHandler(e){this._printHandler=e}clearPrintHandler(){this._printHandler=this._printHandlerFb}registerEscHandler(e,t){const i=this._identifier(e,[48,126]);void 0===this._escHandlers[i]&&(this._escHandlers[i]=[]);const s=this._escHandlers[i];return s.push(t),{dispose:()=>{const e=s.indexOf(t);-1!==e&&s.splice(e,1)}}}clearEscHandler(e){this._escHandlers[this._identifier(e,[48,126])]&&delete this._escHandlers[this._identifier(e,[48,126])]}setEscHandlerFallback(e){this._escHandlerFb=e}setExecuteHandler(e,t){this._executeHandlers[e.charCodeAt(0)]=t}clearExecuteHandler(e){this._executeHandlers[e.charCodeAt(0)]&&delete this._executeHandlers[e.charCodeAt(0)]}setExecuteHandlerFallback(e){this._executeHandlerFb=e}registerCsiHandler(e,t){const i=this._identifier(e);void 0===this._csiHandlers[i]&&(this._csiHandlers[i]=[]);const s=this._csiHandlers[i];return s.push(t),{dispose:()=>{const e=s.indexOf(t);-1!==e&&s.splice(e,1)}}}clearCsiHandler(e){this._csiHandlers[this._identifier(e)]&&delete this._csiHandlers[this._identifier(e)]}setCsiHandlerFallback(e){this._csiHandlerFb=e}registerDcsHandler(e,t){return this._dcsParser.registerHandler(this._identifier(e),t)}clearDcsHandler(e){this._dcsParser.clearHandler(this._identifier(e))}setDcsHandlerFallback(e){this._dcsParser.setHandlerFallback(e)}registerOscHandler(e,t){return this._oscParser.registerHandler(e,t)}clearOscHandler(e){this._oscParser.clearHandler(e)}setOscHandlerFallback(e){this._oscParser.setHandlerFallback(e)}setErrorHandler(e){this._errorHandler=e}clearErrorHandler(){this._errorHandler=this._errorHandlerFb}reset(){this.currentState=this.initialState,this._oscParser.reset(),this._dcsParser.reset(),this._params.reset(),this._params.addParam(0),this._collect=0,this.precedingCodepoint=0,0!==this._parseStack.state&&(this._parseStack.state=2,this._parseStack.handlers=[])}_preserveStack(e,t,i,s,r){this._parseStack.state=e,this._parseStack.handlers=t,this._parseStack.handlerPos=i,this._parseStack.transition=s,this._parseStack.chunkPos=r}parse(e,t,i){let s,r=0,n=0,o=0;if(this._parseStack.state)if(2===this._parseStack.state)this._parseStack.state=0,o=this._parseStack.chunkPos+1;else{if(void 0===i||1===this._parseStack.state)throw this._parseStack.state=1,new Error("improper continuation due to previous async handler, giving up parsing");const t=this._parseStack.handlers;let n=this._parseStack.handlerPos-1;switch(this._parseStack.state){case 3:if(!1===i&&n>-1)for(;n>=0&&(s=t[n](this._params),!0!==s);n--)if(s instanceof Promise)return this._parseStack.handlerPos=n,s;this._parseStack.handlers=[];break;case 4:if(!1===i&&n>-1)for(;n>=0&&(s=t[n](),!0!==s);n--)if(s instanceof Promise)return this._parseStack.handlerPos=n,s;this._parseStack.handlers=[];break;case 6:if(r=e[this._parseStack.chunkPos],s=this._dcsParser.unhook(24!==r&&26!==r,i),s)return s;27===r&&(this._parseStack.transition|=1),this._params.reset(),this._params.addParam(0),this._collect=0;break;case 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t="none";switch(this._core.coreMouseService.activeProtocol){case"X10":t="x10";break;case"VT200":t="vt200";break;case"DRAG":t="drag";break;case"ANY":t="any"}return{applicationCursorKeysMode:e.applicationCursorKeys,applicationKeypadMode:e.applicationKeypad,bracketedPasteMode:e.bracketedPasteMode,insertMode:this._core.coreService.modes.insertMode,mouseTrackingMode:t,originMode:e.origin,reverseWraparoundMode:e.reverseWraparound,sendFocusMode:e.sendFocus,wraparoundMode:e.wraparound}}get options(){return this._publicOptions}set options(e){for(const t in e)this._publicOptions[t]=e[t]}blur(){this._core.blur()}focus(){this._core.focus()}resize(e,t){this._verifyIntegers(e,t),this._core.resize(e,t)}open(e){this._core.open(e)}attachCustomKeyEventHandler(e){this._core.attachCustomKeyEventHandler(e)}registerLinkProvider(e){return this._core.registerLinkProvider(e)}registerCharacterJoiner(e){return this._checkProposedApi(),this._core.registerCharacterJoiner(e)}deregisterCharacterJoiner(e){this._checkProposedApi(),this._core.deregisterCharacterJoiner(e)}registerMarker(e=0){return this._verifyIntegers(e),this._core.registerMarker(e)}registerDecoration(e){var t,i,s;return this._checkProposedApi(),this._verifyPositiveIntegers(null!==(t=e.x)&&void 0!==t?t:0,null!==(i=e.width)&&void 0!==i?i:0,null!==(s=e.height)&&void 0!==s?s:0),this._core.registerDecoration(e)}hasSelection(){return this._core.hasSelection()}select(e,t,i){this._verifyIntegers(e,t,i),this._core.select(e,t,i)}getSelection(){return this._core.getSelection()}getSelectionPosition(){return this._core.getSelectionPosition()}clearSelection(){this._core.clearSelection()}selectAll(){this._core.selectAll()}selectLines(e,t){this._verifyIntegers(e,t),this._core.selectLines(e,t)}dispose(){super.dispose()}scrollLines(e){this._verifyIntegers(e),this._core.scrollLines(e)}scrollPages(e){this._verifyIntegers(e),this._core.scrollPages(e)}scrollToTop(){this._core.scrollToTop()}scrollToBottom(){this._core.scrollToBottom()}scrollToLine(e){this._verifyIntegers(e),this._core.scrollToLine(e)}clear(){this._core.clear()}write(e,t){this._core.write(e,t)}writeln(e,t){this._core.write(e),this._core.write("\r\n",t)}paste(e){this._core.paste(e)}refresh(e,t){this._verifyIntegers(e,t),this._core.refresh(e,t)}reset(){this._core.reset()}clearTextureAtlas(){this._core.clearTextureAtlas()}loadAddon(e){this._addonManager.loadAddon(this,e)}static get strings(){return t}_verifyIntegers(...e){for(const t of e)if(t===1/0||isNaN(t)||t%1!=0)throw new Error("This API only accepts integers")}_verifyPositiveIntegers(...e){for(const t of e)if(t&&(t===1/0||isNaN(t)||t%1!=0||t<0))throw new Error("This API only accepts positive integers")}}e.Terminal=d})(),s})()));
+//# sourceMappingURL=xterm.js.map
\ No newline at end of file
diff --git a/web/public/node_modules/xterm/lib/xterm.js.map b/web/public/node_modules/xterm/lib/xterm.js.map
new file mode 100644
index 000000000..d3bb063de
--- /dev/null
+++ b/web/public/node_modules/xterm/lib/xterm.js.map
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse {\n\t\tvar a = factory();\n\t\tfor(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n\t}\n})(self, () => {\nreturn ","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from 'browser/LocalizableStrings';\nimport { ITerminal, IRenderDebouncer } from 'browser/Types';\nimport { isMac } from 'common/Platform';\nimport { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { ScreenDprMonitor } from 'browser/ScreenDprMonitor';\nimport { IRenderService } from 'browser/services/Services';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IBuffer } from 'common/buffer/Types';\n\nconst MAX_ROWS_TO_READ = 20;\n\nconst enum BoundaryPosition {\n  TOP,\n  BOTTOM\n}\n\nexport class AccessibilityManager extends Disposable {\n  private _accessibilityContainer: HTMLElement;\n\n  private _rowContainer: HTMLElement;\n  private _rowElements: HTMLElement[];\n\n  private _liveRegion: HTMLElement;\n  private _liveRegionLineCount: number = 0;\n  private _liveRegionDebouncer: IRenderDebouncer;\n\n  private _screenDprMonitor: ScreenDprMonitor;\n\n  private _topBoundaryFocusListener: (e: FocusEvent) => void;\n  private _bottomBoundaryFocusListener: (e: FocusEvent) => void;\n\n  /**\n   * This queue has a character pushed to it for keys that are pressed, if the\n   * next character added to the terminal is equal to the key char then it is\n   * not announced (added to live region) because it has already been announced\n   * by the textarea event (which cannot be canceled). There are some race\n   * condition cases if there is typing while data is streaming, but this covers\n   * the main case of typing into the prompt and inputting the answer to a\n   * question (Y/N, etc.).\n   */\n  private _charsToConsume: string[] = [];\n\n  private _charsToAnnounce: string = '';\n\n  constructor(\n    private readonly _terminal: ITerminal,\n    @IRenderService private readonly _renderService: IRenderService\n  ) {\n    super();\n    this._accessibilityContainer = document.createElement('div');\n    this._accessibilityContainer.classList.add('xterm-accessibility');\n\n    this._rowContainer = document.createElement('div');\n    this._rowContainer.setAttribute('role', 'list');\n    this._rowContainer.classList.add('xterm-accessibility-tree');\n    this._rowElements = [];\n    for (let i = 0; i < this._terminal.rows; i++) {\n      this._rowElements[i] = this._createAccessibilityTreeNode();\n      this._rowContainer.appendChild(this._rowElements[i]);\n    }\n\n    this._topBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.TOP);\n    this._bottomBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.BOTTOM);\n    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    this._refreshRowsDimensions();\n    this._accessibilityContainer.appendChild(this._rowContainer);\n\n    this._liveRegion = document.createElement('div');\n    this._liveRegion.classList.add('live-region');\n    this._liveRegion.setAttribute('aria-live', 'assertive');\n    this._accessibilityContainer.appendChild(this._liveRegion);\n    this._liveRegionDebouncer = this.register(new TimeBasedDebouncer(this._renderRows.bind(this)));\n\n    if (!this._terminal.element) {\n      throw new Error('Cannot enable accessibility before Terminal.open');\n    }\n    this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityContainer);\n\n    this.register(this._terminal.onResize(e => this._handleResize(e.rows)));\n    this.register(this._terminal.onRender(e => this._refreshRows(e.start, e.end)));\n    this.register(this._terminal.onScroll(() => this._refreshRows()));\n    // Line feed is an issue as the prompt won't be read out after a command is run\n    this.register(this._terminal.onA11yChar(char => this._handleChar(char)));\n    this.register(this._terminal.onLineFeed(() => this._handleChar('\\n')));\n    this.register(this._terminal.onA11yTab(spaceCount => this._handleTab(spaceCount)));\n    this.register(this._terminal.onKey(e => this._handleKey(e.key)));\n    this.register(this._terminal.onBlur(() => this._clearLiveRegion()));\n    this.register(this._renderService.onDimensionsChange(() => this._refreshRowsDimensions()));\n\n    this._screenDprMonitor = new ScreenDprMonitor(window);\n    this.register(this._screenDprMonitor);\n    this._screenDprMonitor.setListener(() => this._refreshRowsDimensions());\n    // This shouldn't be needed on modern browsers but is present in case the\n    // media query that drives the ScreenDprMonitor isn't supported\n    this.register(addDisposableDomListener(window, 'resize', () => this._refreshRowsDimensions()));\n\n    this._refreshRows();\n    this.register(toDisposable(() => {\n      this._accessibilityContainer.remove();\n      this._rowElements.length = 0;\n    }));\n  }\n\n  private _handleTab(spaceCount: number): void {\n    for (let i = 0; i < spaceCount; i++) {\n      this._handleChar(' ');\n    }\n  }\n\n  private _handleChar(char: string): void {\n    if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {\n      if (this._charsToConsume.length > 0) {\n        // Have the screen reader ignore the char if it was just input\n        const shiftedChar = this._charsToConsume.shift();\n        if (shiftedChar !== char) {\n          this._charsToAnnounce += char;\n        }\n      } else {\n        this._charsToAnnounce += char;\n      }\n\n      if (char === '\\n') {\n        this._liveRegionLineCount++;\n        if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {\n          this._liveRegion.textContent += Strings.tooMuchOutput;\n        }\n      }\n\n      // Only detach/attach on mac as otherwise messages can go unaccounced\n      if (isMac) {\n        if (this._liveRegion.textContent && this._liveRegion.textContent.length > 0 && !this._liveRegion.parentNode) {\n          setTimeout(() => {\n            this._accessibilityContainer.appendChild(this._liveRegion);\n          }, 0);\n        }\n      }\n    }\n  }\n\n  private _clearLiveRegion(): void {\n    this._liveRegion.textContent = '';\n    this._liveRegionLineCount = 0;\n\n    // Only detach/attach on mac as otherwise messages can go unaccounced\n    if (isMac) {\n      this._liveRegion.remove();\n    }\n  }\n\n  private _handleKey(keyChar: string): void {\n    this._clearLiveRegion();\n    // Only add the char if there is no control character.\n    if (!/\\p{Control}/u.test(keyChar)) {\n      this._charsToConsume.push(keyChar);\n    }\n  }\n\n  private _refreshRows(start?: number, end?: number): void {\n    this._liveRegionDebouncer.refresh(start, end, this._terminal.rows);\n  }\n\n  private _renderRows(start: number, end: number): void {\n    const buffer: IBuffer = this._terminal.buffer;\n    const setSize = buffer.lines.length.toString();\n    for (let i = start; i <= end; i++) {\n      const lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);\n      const posInSet = (buffer.ydisp + i + 1).toString();\n      const element = this._rowElements[i];\n      if (element) {\n        if (lineData.length === 0) {\n          element.innerText = '\\u00a0';\n        } else {\n          element.textContent = lineData;\n        }\n        element.setAttribute('aria-posinset', posInSet);\n        element.setAttribute('aria-setsize', setSize);\n      }\n    }\n    this._announceCharacters();\n  }\n\n  private _announceCharacters(): void {\n    if (this._charsToAnnounce.length === 0) {\n      return;\n    }\n    this._liveRegion.textContent += this._charsToAnnounce;\n    this._charsToAnnounce = '';\n  }\n\n  private _handleBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {\n    const boundaryElement = e.target as HTMLElement;\n    const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];\n\n    // Don't scroll if the buffer top has reached the end in that direction\n    const posInSet = boundaryElement.getAttribute('aria-posinset');\n    const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;\n    if (posInSet === lastRowPos) {\n      return;\n    }\n\n    // Don't scroll when the last focused item was not the second row (focus is going the other\n    // direction)\n    if (e.relatedTarget !== beforeBoundaryElement) {\n      return;\n    }\n\n    // Remove old boundary element from array\n    let topBoundaryElement: HTMLElement;\n    let bottomBoundaryElement: HTMLElement;\n    if (position === BoundaryPosition.TOP) {\n      topBoundaryElement = boundaryElement;\n      bottomBoundaryElement = this._rowElements.pop()!;\n      this._rowContainer.removeChild(bottomBoundaryElement);\n    } else {\n      topBoundaryElement = this._rowElements.shift()!;\n      bottomBoundaryElement = boundaryElement;\n      this._rowContainer.removeChild(topBoundaryElement);\n    }\n\n    // Remove listeners from old boundary elements\n    topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);\n    bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Add new element to array/DOM\n    if (position === BoundaryPosition.TOP) {\n      const newElement = this._createAccessibilityTreeNode();\n      this._rowElements.unshift(newElement);\n      this._rowContainer.insertAdjacentElement('afterbegin', newElement);\n    } else {\n      const newElement = this._createAccessibilityTreeNode();\n      this._rowElements.push(newElement);\n      this._rowContainer.appendChild(newElement);\n    }\n\n    // Add listeners to new boundary elements\n    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Scroll up\n    this._terminal.scrollLines(position === BoundaryPosition.TOP ? -1 : 1);\n\n    // Focus new boundary before element\n    this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2].focus();\n\n    // Prevent the standard behavior\n    e.preventDefault();\n    e.stopImmediatePropagation();\n  }\n\n  private _handleResize(rows: number): void {\n    // Remove bottom boundary listener\n    this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Grow rows as required\n    for (let i = this._rowContainer.children.length; i < this._terminal.rows; i++) {\n      this._rowElements[i] = this._createAccessibilityTreeNode();\n      this._rowContainer.appendChild(this._rowElements[i]);\n    }\n    // Shrink rows as required\n    while (this._rowElements.length > rows) {\n      this._rowContainer.removeChild(this._rowElements.pop()!);\n    }\n\n    // Add bottom boundary listener\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    this._refreshRowsDimensions();\n  }\n\n  private _createAccessibilityTreeNode(): HTMLElement {\n    const element = document.createElement('div');\n    element.setAttribute('role', 'listitem');\n    element.tabIndex = -1;\n    this._refreshRowDimensions(element);\n    return element;\n  }\n  private _refreshRowsDimensions(): void {\n    if (!this._renderService.dimensions.css.cell.height) {\n      return;\n    }\n    this._accessibilityContainer.style.width = `${this._renderService.dimensions.css.canvas.width}px`;\n    if (this._rowElements.length !== this._terminal.rows) {\n      this._handleResize(this._terminal.rows);\n    }\n    for (let i = 0; i < this._terminal.rows; i++) {\n      this._refreshRowDimensions(this._rowElements[i]);\n    }\n  }\n  private _refreshRowDimensions(element: HTMLElement): void {\n    element.style.height = `${this._renderService.dimensions.css.cell.height}px`;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ISelectionService } from 'browser/services/Services';\nimport { ICoreService, IOptionsService } from 'common/services/Services';\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string): string {\n  return text.replace(/\\r?\\n/g, '\\r');\n}\n\n/**\n * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste\n * @param text The pasted text to bracket\n */\nexport function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {\n  if (bracketedPasteMode) {\n    return '\\x1b[200~' + text + '\\x1b[201~';\n  }\n  return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, selectionService: ISelectionService): void {\n  if (ev.clipboardData) {\n    ev.clipboardData.setData('text/plain', selectionService.selectionText);\n  }\n  // Prevent or the original text will be copied.\n  ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n */\nexport function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {\n  ev.stopPropagation();\n  if (ev.clipboardData) {\n    const text = ev.clipboardData.getData('text/plain');\n    paste(text, textarea, coreService, optionsService);\n  }\n}\n\nexport function paste(text: string, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {\n  text = prepareTextForTerminal(text);\n  text = bracketTextForPaste(text, coreService.decPrivateModes.bracketedPasteMode && optionsService.rawOptions.ignoreBracketedPasteMode !== true);\n  coreService.triggerDataEvent(text, true);\n  textarea.value = '';\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement): void {\n\n  // Calculate textarea position relative to the screen element\n  const pos = screenElement.getBoundingClientRect();\n  const left = ev.clientX - pos.left - 10;\n  const top = ev.clientY - pos.top - 10;\n\n  // Bring textarea at the cursor position\n  textarea.style.width = '20px';\n  textarea.style.height = '20px';\n  textarea.style.left = `${left}px`;\n  textarea.style.top = `${top}px`;\n  textarea.style.zIndex = '1000';\n\n  textarea.focus();\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement, selectionService: ISelectionService, shouldSelectWord: boolean): void {\n  moveTextAreaUnderMouseCursor(ev, textarea, screenElement);\n\n  if (shouldSelectWord) {\n    selectionService.rightClickSelect(ev);\n  }\n\n  // Get textarea ready to copy from the context menu\n  textarea.value = selectionService.selectionText;\n  textarea.select();\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorContrastCache } from 'browser/Types';\nimport { IColor } from 'common/Types';\nimport { TwoKeyMap } from 'common/MultiKeyMap';\n\nexport class ColorContrastCache implements IColorContrastCache {\n  private _color: TwoKeyMap</* bg */number, /* fg */number, IColor | null> = new TwoKeyMap();\n  private _css: TwoKeyMap</* bg */number, /* fg */number, string | null> = new TwoKeyMap();\n\n  public setCss(bg: number, fg: number, value: string | null): void {\n    this._css.set(bg, fg, value);\n  }\n\n  public getCss(bg: number, fg: number): string | null | undefined {\n    return this._css.get(bg, fg);\n  }\n\n  public setColor(bg: number, fg: number, value: IColor | null): void {\n    this._color.set(bg, fg, value);\n  }\n\n  public getColor(bg: number, fg: number): IColor | null | undefined {\n    return this._color.get(bg, fg);\n  }\n\n  public clear(): void {\n    this._color.clear();\n    this._css.clear();\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * Adds a disposable listener to a node in the DOM, returning the disposable.\n * @param node The node to add a listener to.\n * @param type The event type.\n * @param handler The handler for the listener.\n * @param options The boolean or options object to pass on to the event\n * listener.\n */\nexport function addDisposableDomListener(\n  node: Element | Window | Document,\n  type: string,\n  handler: (e: any) => void,\n  options?: boolean | AddEventListenerOptions\n): IDisposable {\n  node.addEventListener(type, handler, options);\n  let disposed = false;\n  return {\n    dispose: () => {\n      if (disposed) {\n        return;\n      }\n      disposed = true;\n      node.removeEventListener(type, handler, options);\n    }\n  };\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IBufferCellPosition, ILink, ILinkDecorations, ILinkProvider, ILinkWithState, ILinkifier2, ILinkifierEvent } from 'browser/Types';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, disposeArray, getDisposeArrayDisposable, toDisposable } from 'common/Lifecycle';\nimport { IDisposable } from 'common/Types';\nimport { IBufferService } from 'common/services/Services';\nimport { IMouseService, IRenderService } from './services/Services';\n\nexport class Linkifier2 extends Disposable implements ILinkifier2 {\n  private _element: HTMLElement | undefined;\n  private _mouseService: IMouseService | undefined;\n  private _renderService: IRenderService | undefined;\n  private _linkProviders: ILinkProvider[] = [];\n  public get currentLink(): ILinkWithState | undefined { return this._currentLink; }\n  protected _currentLink: ILinkWithState | undefined;\n  private _mouseDownLink: ILinkWithState | undefined;\n  private _lastMouseEvent: MouseEvent | undefined;\n  private _linkCacheDisposables: IDisposable[] = [];\n  private _lastBufferCell: IBufferCellPosition | undefined;\n  private _isMouseOut: boolean = true;\n  private _wasResized: boolean = false;\n  private _activeProviderReplies: Map<Number, ILinkWithState[] | undefined> | undefined;\n  private _activeLine: number = -1;\n\n  private readonly _onShowLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());\n  public readonly onShowLinkUnderline = this._onShowLinkUnderline.event;\n  private readonly _onHideLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());\n  public readonly onHideLinkUnderline = this._onHideLinkUnderline.event;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService\n  ) {\n    super();\n    this.register(getDisposeArrayDisposable(this._linkCacheDisposables));\n    this.register(toDisposable(() => {\n      this._lastMouseEvent = undefined;\n    }));\n    // Listen to resize to catch the case where it's resized and the cursor is out of the viewport.\n    this.register(this._bufferService.onResize(() => {\n      this._clearCurrentLink();\n      this._wasResized = true;\n    }));\n  }\n\n  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {\n    this._linkProviders.push(linkProvider);\n    return {\n      dispose: () => {\n        // Remove the link provider from the list\n        const providerIndex = this._linkProviders.indexOf(linkProvider);\n\n        if (providerIndex !== -1) {\n          this._linkProviders.splice(providerIndex, 1);\n        }\n      }\n    };\n  }\n\n  public attachToDom(element: HTMLElement, mouseService: IMouseService, renderService: IRenderService): void {\n    this._element = element;\n    this._mouseService = mouseService;\n    this._renderService = renderService;\n\n    this.register(addDisposableDomListener(this._element, 'mouseleave', () => {\n      this._isMouseOut = true;\n      this._clearCurrentLink();\n    }));\n    this.register(addDisposableDomListener(this._element, 'mousemove', this._handleMouseMove.bind(this)));\n    this.register(addDisposableDomListener(this._element, 'mousedown', this._handleMouseDown.bind(this)));\n    this.register(addDisposableDomListener(this._element, 'mouseup', this._handleMouseUp.bind(this)));\n  }\n\n  private _handleMouseMove(event: MouseEvent): void {\n    this._lastMouseEvent = event;\n\n    if (!this._element || !this._mouseService) {\n      return;\n    }\n\n    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);\n    if (!position) {\n      return;\n    }\n    this._isMouseOut = false;\n\n    // Ignore the event if it's an embedder created hover widget\n    const composedPath = event.composedPath() as HTMLElement[];\n    for (let i = 0; i < composedPath.length; i++) {\n      const target = composedPath[i];\n      // Hit Terminal.element, break and continue\n      if (target.classList.contains('xterm')) {\n        break;\n      }\n      // It's a hover, don't respect hover event\n      if (target.classList.contains('xterm-hover')) {\n        return;\n      }\n    }\n\n    if (!this._lastBufferCell || (position.x !== this._lastBufferCell.x || position.y !== this._lastBufferCell.y)) {\n      this._handleHover(position);\n      this._lastBufferCell = position;\n    }\n  }\n\n  private _handleHover(position: IBufferCellPosition): void {\n    // TODO: This currently does not cache link provider results across wrapped lines, activeLine\n    //       should be something like `activeRange: {startY, endY}`\n    // Check if we need to clear the link\n    if (this._activeLine !== position.y || this._wasResized) {\n      this._clearCurrentLink();\n      this._askForLink(position, false);\n      this._wasResized = false;\n      return;\n    }\n\n    // Check the if the link is in the mouse position\n    const isCurrentLinkInPosition = this._currentLink && this._linkAtPosition(this._currentLink.link, position);\n    if (!isCurrentLinkInPosition) {\n      this._clearCurrentLink();\n      this._askForLink(position, true);\n    }\n  }\n\n  private _askForLink(position: IBufferCellPosition, useLineCache: boolean): void {\n    if (!this._activeProviderReplies || !useLineCache) {\n      this._activeProviderReplies?.forEach(reply => {\n        reply?.forEach(linkWithState => {\n          if (linkWithState.link.dispose) {\n            linkWithState.link.dispose();\n          }\n        });\n      });\n      this._activeProviderReplies = new Map();\n      this._activeLine = position.y;\n    }\n    let linkProvided = false;\n\n    // There is no link cached, so ask for one\n    for (const [i, linkProvider] of this._linkProviders.entries()) {\n      if (useLineCache) {\n        const existingReply = this._activeProviderReplies?.get(i);\n        // If there isn't a reply, the provider hasn't responded yet.\n\n        // TODO: If there isn't a reply yet it means that the provider is still resolving. Ensuring\n        // provideLinks isn't triggered again saves ILink.hover firing twice though. This probably\n        // needs promises to get fixed\n        if (existingReply) {\n          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);\n        }\n      } else {\n        linkProvider.provideLinks(position.y, (links: ILink[] | undefined) => {\n          if (this._isMouseOut) {\n            return;\n          }\n          const linksWithState: ILinkWithState[] | undefined = links?.map(link  => ({ link }));\n          this._activeProviderReplies?.set(i, linksWithState);\n          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);\n\n          // If all providers have responded, remove lower priority links that intersect ranges of\n          // higher priority links\n          if (this._activeProviderReplies?.size === this._linkProviders.length) {\n            this._removeIntersectingLinks(position.y, this._activeProviderReplies);\n          }\n        });\n      }\n    }\n  }\n\n  private _removeIntersectingLinks(y: number, replies: Map<Number, ILinkWithState[] | undefined>): void {\n    const occupiedCells = new Set<number>();\n    for (let i = 0; i < replies.size; i++) {\n      const providerReply = replies.get(i);\n      if (!providerReply) {\n        continue;\n      }\n      for (let i = 0; i < providerReply.length; i++) {\n        const linkWithState = providerReply[i];\n        const startX = linkWithState.link.range.start.y < y ? 0 : linkWithState.link.range.start.x;\n        const endX = linkWithState.link.range.end.y > y ? this._bufferService.cols : linkWithState.link.range.end.x;\n        for (let x = startX; x <= endX; x++) {\n          if (occupiedCells.has(x)) {\n            providerReply.splice(i--, 1);\n            break;\n          }\n          occupiedCells.add(x);\n        }\n      }\n    }\n  }\n\n  private _checkLinkProviderResult(index: number, position: IBufferCellPosition, linkProvided: boolean): boolean {\n    if (!this._activeProviderReplies) {\n      return linkProvided;\n    }\n\n    const links = this._activeProviderReplies.get(index);\n\n    // Check if every provider before this one has come back undefined\n    let hasLinkBefore = false;\n    for (let j = 0; j < index; j++) {\n      if (!this._activeProviderReplies.has(j) || this._activeProviderReplies.get(j)) {\n        hasLinkBefore = true;\n      }\n    }\n\n    // If all providers with higher priority came back undefined, then this provider's link for\n    // the position should be used\n    if (!hasLinkBefore && links) {\n      const linkAtPosition = links.find(link => this._linkAtPosition(link.link, position));\n      if (linkAtPosition) {\n        linkProvided = true;\n        this._handleNewLink(linkAtPosition);\n      }\n    }\n\n    // Check if all the providers have responded\n    if (this._activeProviderReplies.size === this._linkProviders.length && !linkProvided) {\n      // Respect the order of the link providers\n      for (let j = 0; j < this._activeProviderReplies.size; j++) {\n        const currentLink = this._activeProviderReplies.get(j)?.find(link => this._linkAtPosition(link.link, position));\n        if (currentLink) {\n          linkProvided = true;\n          this._handleNewLink(currentLink);\n          break;\n        }\n      }\n    }\n\n    return linkProvided;\n  }\n\n  private _handleMouseDown(): void {\n    this._mouseDownLink = this._currentLink;\n  }\n\n  private _handleMouseUp(event: MouseEvent): void {\n    if (!this._element || !this._mouseService || !this._currentLink) {\n      return;\n    }\n\n    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);\n    if (!position) {\n      return;\n    }\n\n    if (this._mouseDownLink === this._currentLink && this._linkAtPosition(this._currentLink.link, position)) {\n      this._currentLink.link.activate(event, this._currentLink.link.text);\n    }\n  }\n\n  private _clearCurrentLink(startRow?: number, endRow?: number): void {\n    if (!this._element || !this._currentLink || !this._lastMouseEvent) {\n      return;\n    }\n\n    // If we have a start and end row, check that the link is within it\n    if (!startRow || !endRow || (this._currentLink.link.range.start.y >= startRow && this._currentLink.link.range.end.y <= endRow)) {\n      this._linkLeave(this._element, this._currentLink.link, this._lastMouseEvent);\n      this._currentLink = undefined;\n      disposeArray(this._linkCacheDisposables);\n    }\n  }\n\n  private _handleNewLink(linkWithState: ILinkWithState): void {\n    if (!this._element || !this._lastMouseEvent || !this._mouseService) {\n      return;\n    }\n\n    const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService);\n\n    if (!position) {\n      return;\n    }\n\n    // Trigger hover if the we have a link at the position\n    if (this._linkAtPosition(linkWithState.link, position)) {\n      this._currentLink = linkWithState;\n      this._currentLink.state = {\n        decorations: {\n          underline: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.underline,\n          pointerCursor: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.pointerCursor\n        },\n        isHovered: true\n      };\n      this._linkHover(this._element, linkWithState.link, this._lastMouseEvent);\n\n      // Add listener for tracking decorations changes\n      linkWithState.link.decorations = {} as ILinkDecorations;\n      Object.defineProperties(linkWithState.link.decorations, {\n        pointerCursor: {\n          get: () => this._currentLink?.state?.decorations.pointerCursor,\n          set: v => {\n            if (this._currentLink?.state && this._currentLink.state.decorations.pointerCursor !== v) {\n              this._currentLink.state.decorations.pointerCursor = v;\n              if (this._currentLink.state.isHovered) {\n                this._element?.classList.toggle('xterm-cursor-pointer', v);\n              }\n            }\n          }\n        },\n        underline: {\n          get: () => this._currentLink?.state?.decorations.underline,\n          set: v => {\n            if (this._currentLink?.state && this._currentLink?.state?.decorations.underline !== v) {\n              this._currentLink.state.decorations.underline = v;\n              if (this._currentLink.state.isHovered) {\n                this._fireUnderlineEvent(linkWithState.link, v);\n              }\n            }\n          }\n        }\n      });\n\n      // Listen to viewport changes to re-render the link under the cursor (only when the line the\n      // link is on changes)\n      if (this._renderService) {\n        this._linkCacheDisposables.push(this._renderService.onRenderedViewportChange(e => {\n          // Sanity check, this shouldn't happen in practice as this listener would be disposed\n          if (!this._currentLink) {\n            return;\n          }\n          // When start is 0 a scroll most likely occurred, make sure links above the fold also get\n          // cleared.\n          const start = e.start === 0 ? 0 : e.start + 1 + this._bufferService.buffer.ydisp;\n          const end = this._bufferService.buffer.ydisp + 1 + e.end;\n          // Only clear the link if the viewport change happened on this line\n          if (this._currentLink.link.range.start.y >= start && this._currentLink.link.range.end.y <= end) {\n            this._clearCurrentLink(start, end);\n            if (this._lastMouseEvent && this._element) {\n              // re-eval previously active link after changes\n              const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService!);\n              if (position) {\n                this._askForLink(position, false);\n              }\n            }\n          }\n        }));\n      }\n    }\n  }\n\n  protected _linkHover(element: HTMLElement, link: ILink, event: MouseEvent): void {\n    if (this._currentLink?.state) {\n      this._currentLink.state.isHovered = true;\n      if (this._currentLink.state.decorations.underline) {\n        this._fireUnderlineEvent(link, true);\n      }\n      if (this._currentLink.state.decorations.pointerCursor) {\n        element.classList.add('xterm-cursor-pointer');\n      }\n    }\n\n    if (link.hover) {\n      link.hover(event, link.text);\n    }\n  }\n\n  private _fireUnderlineEvent(link: ILink, showEvent: boolean): void {\n    const range = link.range;\n    const scrollOffset = this._bufferService.buffer.ydisp;\n    const event = this._createLinkUnderlineEvent(range.start.x - 1, range.start.y - scrollOffset - 1, range.end.x, range.end.y - scrollOffset - 1, undefined);\n    const emitter = showEvent ? this._onShowLinkUnderline : this._onHideLinkUnderline;\n    emitter.fire(event);\n  }\n\n  protected _linkLeave(element: HTMLElement, link: ILink, event: MouseEvent): void {\n    if (this._currentLink?.state) {\n      this._currentLink.state.isHovered = false;\n      if (this._currentLink.state.decorations.underline) {\n        this._fireUnderlineEvent(link, false);\n      }\n      if (this._currentLink.state.decorations.pointerCursor) {\n        element.classList.remove('xterm-cursor-pointer');\n      }\n    }\n\n    if (link.leave) {\n      link.leave(event, link.text);\n    }\n  }\n\n  /**\n   * Check if the buffer position is within the link\n   * @param link\n   * @param position\n   */\n  private _linkAtPosition(link: ILink, position: IBufferCellPosition): boolean {\n    const lower = link.range.start.y * this._bufferService.cols + link.range.start.x;\n    const upper = link.range.end.y * this._bufferService.cols + link.range.end.x;\n    const current = position.y * this._bufferService.cols + position.x;\n    return (lower <= current && current <= upper);\n  }\n\n  /**\n   * Get the buffer position from a mouse event\n   * @param event\n   */\n  private _positionFromMouseEvent(event: MouseEvent, element: HTMLElement, mouseService: IMouseService): IBufferCellPosition | undefined {\n    const coords = mouseService.getCoords(event, element, this._bufferService.cols, this._bufferService.rows);\n    if (!coords) {\n      return;\n    }\n\n    return { x: coords[0], y: coords[1] + this._bufferService.buffer.ydisp };\n  }\n\n  private _createLinkUnderlineEvent(x1: number, y1: number, x2: number, y2: number, fg: number | undefined): ILinkifierEvent {\n    return { x1, y1, x2, y2, cols: this._bufferService.cols, fg };\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n// This file contains strings that get exported in the API so they can be localized\n\n// eslint-disable-next-line prefer-const\nexport let promptLabel = 'Terminal input';\n\n// eslint-disable-next-line prefer-const\nexport let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferRange, ILink, ILinkProvider } from 'browser/Types';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferService, IOptionsService, IOscLinkService } from 'common/services/Services';\n\nexport class OscLinkProvider implements ILinkProvider {\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @IOscLinkService private readonly _oscLinkService: IOscLinkService\n  ) {\n  }\n\n  public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {\n    const line = this._bufferService.buffer.lines.get(y - 1);\n    if (!line) {\n      callback(undefined);\n      return;\n    }\n\n    const result: ILink[] = [];\n    const linkHandler = this._optionsService.rawOptions.linkHandler;\n    const cell = new CellData();\n    const lineLength = line.getTrimmedLength();\n    let currentLinkId = -1;\n    let currentStart = -1;\n    let finishLink = false;\n    for (let x = 0; x < lineLength; x++) {\n      // Minor optimization, only check for content if there isn't a link in case the link ends with\n      // a null cell\n      if (currentStart === -1 && !line.hasContent(x)) {\n        continue;\n      }\n\n      line.loadCell(x, cell);\n      if (cell.hasExtendedAttrs() && cell.extended.urlId) {\n        if (currentStart === -1) {\n          currentStart = x;\n          currentLinkId = cell.extended.urlId;\n          continue;\n        } else {\n          finishLink = cell.extended.urlId !== currentLinkId;\n        }\n      } else {\n        if (currentStart !== -1) {\n          finishLink = true;\n        }\n      }\n\n      if (finishLink || (currentStart !== -1 && x === lineLength - 1)) {\n        const text = this._oscLinkService.getLinkData(currentLinkId)?.uri;\n        if (text) {\n          // These ranges are 1-based\n          const range: IBufferRange = {\n            start: {\n              x: currentStart + 1,\n              y\n            },\n            end: {\n              // Offset end x if it's a link that ends on the last cell in the line\n              x: x + (!finishLink && x === lineLength - 1 ? 1 : 0),\n              y\n            }\n          };\n\n          let ignoreLink = false;\n          if (!linkHandler?.allowNonHttpProtocols) {\n            try {\n              const parsed = new URL(text);\n              if (!['http:', 'https:'].includes(parsed.protocol)) {\n                ignoreLink = true;\n              }\n            } catch (e) {\n              // Ignore invalid URLs to prevent unexpected behaviors\n              ignoreLink = true;\n            }\n          }\n\n          if (!ignoreLink) {\n            // OSC links always use underline and pointer decorations\n            result.push({\n              text,\n              range,\n              activate: (e, text) => (linkHandler ? linkHandler.activate(e, text, range) : defaultActivate(e, text)),\n              hover: (e, text) => linkHandler?.hover?.(e, text, range),\n              leave: (e, text) => linkHandler?.leave?.(e, text, range)\n            });\n          }\n        }\n        finishLink = false;\n\n        // Clear link or start a new link if one starts immediately\n        if (cell.hasExtendedAttrs() && cell.extended.urlId) {\n          currentStart = x;\n          currentLinkId = cell.extended.urlId;\n        } else {\n          currentStart = -1;\n          currentLinkId = -1;\n        }\n      }\n    }\n\n    // TODO: Handle fetching and returning other link ranges to underline other links with the same\n    //       id\n    callback(result);\n  }\n}\n\nfunction defaultActivate(e: MouseEvent, uri: string): void {\n  const answer = confirm(`Do you want to navigate to ${uri}?\\n\\nWARNING: This link could potentially be dangerous`);\n  if (answer) {\n    const newWindow = window.open();\n    if (newWindow) {\n      try {\n        newWindow.opener = null;\n      } catch {\n        // no-op, Electron can throw\n      }\n      newWindow.location.href = uri;\n    } else {\n      console.warn('Opening link blocked as opener could not be cleared');\n    }\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderDebouncerWithCallback } from 'browser/Types';\n\n/**\n * Debounces calls to render terminal rows using animation frames.\n */\nexport class RenderDebouncer implements IRenderDebouncerWithCallback {\n  private _rowStart: number | undefined;\n  private _rowEnd: number | undefined;\n  private _rowCount: number | undefined;\n  private _animationFrame: number | undefined;\n  private _refreshCallbacks: FrameRequestCallback[] = [];\n\n  constructor(\n    private _parentWindow: Window,\n    private _renderCallback: (start: number, end: number) => void\n  ) {\n  }\n\n  public dispose(): void {\n    if (this._animationFrame) {\n      this._parentWindow.cancelAnimationFrame(this._animationFrame);\n      this._animationFrame = undefined;\n    }\n  }\n\n  public addRefreshCallback(callback: FrameRequestCallback): number {\n    this._refreshCallbacks.push(callback);\n    if (!this._animationFrame) {\n      this._animationFrame = this._parentWindow.requestAnimationFrame(() => this._innerRefresh());\n    }\n    return this._animationFrame;\n  }\n\n  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {\n    this._rowCount = rowCount;\n    // Get the min/max row start/end for the arg values\n    rowStart = rowStart !== undefined ? rowStart : 0;\n    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;\n    // Set the properties to the updated values\n    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;\n    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n    if (this._animationFrame) {\n      return;\n    }\n\n    this._animationFrame = this._parentWindow.requestAnimationFrame(() => this._innerRefresh());\n  }\n\n  private _innerRefresh(): void {\n    this._animationFrame = undefined;\n\n    // Make sure values are set\n    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {\n      this._runRefreshCallbacks();\n      return;\n    }\n\n    // Clamp values\n    const start = Math.max(this._rowStart, 0);\n    const end = Math.min(this._rowEnd, this._rowCount - 1);\n\n    // Reset debouncer (this happens before render callback as the render could trigger it again)\n    this._rowStart = undefined;\n    this._rowEnd = undefined;\n\n    // Run render callback\n    this._renderCallback(start, end);\n    this._runRefreshCallbacks();\n  }\n\n  private _runRefreshCallbacks(): void {\n    for (const callback of this._refreshCallbacks) {\n      callback(0);\n    }\n    this._refreshCallbacks = [];\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable, toDisposable } from 'common/Lifecycle';\n\nexport type ScreenDprListener = (newDevicePixelRatio?: number, oldDevicePixelRatio?: number) => void;\n\n/**\n * The screen device pixel ratio monitor allows listening for when the\n * window.devicePixelRatio value changes. This is done not with polling but with\n * the use of window.matchMedia to watch media queries. When the event fires,\n * the listener will be reattached using a different media query to ensure that\n * any further changes will register.\n *\n * The listener should fire on both window zoom changes and switching to a\n * monitor with a different DPI.\n */\nexport class ScreenDprMonitor extends Disposable {\n  private _currentDevicePixelRatio: number;\n  private _outerListener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | undefined;\n  private _listener: ScreenDprListener | undefined;\n  private _resolutionMediaMatchList: MediaQueryList | undefined;\n\n  constructor(private _parentWindow: Window) {\n    super();\n    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;\n    this.register(toDisposable(() => {\n      this.clearListener();\n    }));\n  }\n\n  public setListener(listener: ScreenDprListener): void {\n    if (this._listener) {\n      this.clearListener();\n    }\n    this._listener = listener;\n    this._outerListener = () => {\n      if (!this._listener) {\n        return;\n      }\n      this._listener(this._parentWindow.devicePixelRatio, this._currentDevicePixelRatio);\n      this._updateDpr();\n    };\n    this._updateDpr();\n  }\n\n  private _updateDpr(): void {\n    if (!this._outerListener) {\n      return;\n    }\n\n    // Clear listeners for old DPR\n    this._resolutionMediaMatchList?.removeListener(this._outerListener);\n\n    // Add listeners for new DPR\n    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;\n    this._resolutionMediaMatchList = this._parentWindow.matchMedia(`screen and (resolution: ${this._parentWindow.devicePixelRatio}dppx)`);\n    this._resolutionMediaMatchList.addListener(this._outerListener);\n  }\n\n  public clearListener(): void {\n    if (!this._resolutionMediaMatchList || !this._listener || !this._outerListener) {\n      return;\n    }\n    this._resolutionMediaMatchList.removeListener(this._outerListener);\n    this._resolutionMediaMatchList = undefined;\n    this._listener = undefined;\n    this._outerListener = undefined;\n  }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n *\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\nimport { copyHandler, handlePasteEvent, moveTextAreaUnderMouseCursor, paste, rightClickHandler } from 'browser/Clipboard';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { Linkifier2 } from 'browser/Linkifier2';\nimport * as Strings from 'browser/LocalizableStrings';\nimport { OscLinkProvider } from 'browser/OscLinkProvider';\nimport { CharacterJoinerHandler, CustomKeyEventHandler, IBrowser, IBufferRange, ICompositionHelper, ILinkifier2, ITerminal, IViewport } from 'browser/Types';\nimport { Viewport } from 'browser/Viewport';\nimport { BufferDecorationRenderer } from 'browser/decorations/BufferDecorationRenderer';\nimport { OverviewRulerRenderer } from 'browser/decorations/OverviewRulerRenderer';\nimport { CompositionHelper } from 'browser/input/CompositionHelper';\nimport { DomRenderer } from 'browser/renderer/dom/DomRenderer';\nimport { IRenderer } from 'browser/renderer/shared/Types';\nimport { CharSizeService } from 'browser/services/CharSizeService';\nimport { CharacterJoinerService } from 'browser/services/CharacterJoinerService';\nimport { CoreBrowserService } from 'browser/services/CoreBrowserService';\nimport { MouseService } from 'browser/services/MouseService';\nimport { RenderService } from 'browser/services/RenderService';\nimport { SelectionService } from 'browser/services/SelectionService';\nimport { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, IMouseService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';\nimport { ThemeService } from 'browser/services/ThemeService';\nimport { color, rgba } from 'common/Color';\nimport { CoreTerminal } from 'common/CoreTerminal';\nimport { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';\nimport { MutableDisposable, toDisposable } from 'common/Lifecycle';\nimport * as Browser from 'common/Platform';\nimport { ColorRequestType, CoreMouseAction, CoreMouseButton, CoreMouseEventType, IColorEvent, ITerminalOptions, KeyboardResultType, ScrollSource, SpecialColorIndex } from 'common/Types';\nimport { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { IBuffer } from 'common/buffer/Types';\nimport { C0, C1_ESCAPED } from 'common/data/EscapeSequences';\nimport { evaluateKeyboardEvent } from 'common/input/Keyboard';\nimport { toRgbString } from 'common/input/XParseColor';\nimport { DecorationService } from 'common/services/DecorationService';\nimport { IDecorationService } from 'common/services/Services';\nimport { IDecoration, IDecorationOptions, IDisposable, ILinkProvider, IMarker } from 'xterm';\nimport { WindowsOptionsReportType } from '../common/InputHandler';\nimport { AccessibilityManager } from './AccessibilityManager';\n\n// Let it work inside Node.js for automated testing purposes.\nconst document: Document = (typeof window !== 'undefined') ? window.document : null as any;\n\nexport class Terminal extends CoreTerminal implements ITerminal {\n  public textarea: HTMLTextAreaElement | undefined;\n  public element: HTMLElement | undefined;\n  public screenElement: HTMLElement | undefined;\n\n  private _document: Document | undefined;\n  private _viewportScrollArea: HTMLElement | undefined;\n  private _viewportElement: HTMLElement | undefined;\n  private _helperContainer: HTMLElement | undefined;\n  private _compositionView: HTMLElement | undefined;\n\n  private _overviewRulerRenderer: OverviewRulerRenderer | undefined;\n\n  public browser: IBrowser = Browser as any;\n\n  private _customKeyEventHandler: CustomKeyEventHandler | undefined;\n\n  // browser services\n  private _decorationService: DecorationService;\n  private _charSizeService: ICharSizeService | undefined;\n  private _coreBrowserService: ICoreBrowserService | undefined;\n  private _mouseService: IMouseService | undefined;\n  private _renderService: IRenderService | undefined;\n  private _themeService: IThemeService | undefined;\n  private _characterJoinerService: ICharacterJoinerService | undefined;\n  private _selectionService: ISelectionService | undefined;\n\n  /**\n   * Records whether the keydown event has already been handled and triggered a data event, if so\n   * the keypress event should not trigger a data event but should still print to the textarea so\n   * screen readers will announce it.\n   */\n  private _keyDownHandled: boolean = false;\n\n  /**\n   * Records whether a keydown event has occured since the last keyup event, i.e. whether a key\n   * is currently \"pressed\".\n   */\n  private _keyDownSeen: boolean = false;\n\n  /**\n   * Records whether the keypress event has already been handled and triggered a data event, if so\n   * the input event should not trigger a data event but should still print to the textarea so\n   * screen readers will announce it.\n   */\n  private _keyPressHandled: boolean = false;\n\n  /**\n   * Records whether there has been a keydown event for a dead key without a corresponding keydown\n   * event for the composed/alternative character. If we cancel the keydown event for the dead key,\n   * no events will be emitted for the final character.\n   */\n  private _unprocessedDeadKey: boolean = false;\n\n  public linkifier2: ILinkifier2;\n  public viewport: IViewport | undefined;\n  private _compositionHelper: ICompositionHelper | undefined;\n  private _accessibilityManager: MutableDisposable<AccessibilityManager> = this.register(new MutableDisposable());\n\n  private readonly _onCursorMove = this.register(new EventEmitter<void>());\n  public readonly onCursorMove = this._onCursorMove.event;\n  private readonly _onKey = this.register(new EventEmitter<{ key: string, domEvent: KeyboardEvent }>());\n  public readonly onKey = this._onKey.event;\n  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRender = this._onRender.event;\n  private readonly _onSelectionChange = this.register(new EventEmitter<void>());\n  public readonly onSelectionChange = this._onSelectionChange.event;\n  private readonly _onTitleChange = this.register(new EventEmitter<string>());\n  public readonly onTitleChange = this._onTitleChange.event;\n  private readonly _onBell = this.register(new EventEmitter<void>());\n  public readonly onBell = this._onBell.event;\n\n  private _onFocus = this.register(new EventEmitter<void>());\n  public get onFocus(): IEvent<void> { return this._onFocus.event; }\n  private _onBlur = this.register(new EventEmitter<void>());\n  public get onBlur(): IEvent<void> { return this._onBlur.event; }\n  private _onA11yCharEmitter = this.register(new EventEmitter<string>());\n  public get onA11yChar(): IEvent<string> { return this._onA11yCharEmitter.event; }\n  private _onA11yTabEmitter = this.register(new EventEmitter<number>());\n  public get onA11yTab(): IEvent<number> { return this._onA11yTabEmitter.event; }\n  private _onWillOpen = this.register(new EventEmitter<HTMLElement>());\n  public get onWillOpen(): IEvent<HTMLElement> { return this._onWillOpen.event; }\n\n  constructor(\n    options: Partial<ITerminalOptions> = {}\n  ) {\n    super(options);\n\n    this._setup();\n\n    this.linkifier2 = this.register(this._instantiationService.createInstance(Linkifier2));\n    this.linkifier2.registerLinkProvider(this._instantiationService.createInstance(OscLinkProvider));\n    this._decorationService = this._instantiationService.createInstance(DecorationService);\n    this._instantiationService.setService(IDecorationService, this._decorationService);\n\n    // Setup InputHandler listeners\n    this.register(this._inputHandler.onRequestBell(() => this._onBell.fire()));\n    this.register(this._inputHandler.onRequestRefreshRows((start, end) => this.refresh(start, end)));\n    this.register(this._inputHandler.onRequestSendFocus(() => this._reportFocus()));\n    this.register(this._inputHandler.onRequestReset(() => this.reset()));\n    this.register(this._inputHandler.onRequestWindowsOptionsReport(type => this._reportWindowsOptions(type)));\n    this.register(this._inputHandler.onColor((event) => this._handleColorEvent(event)));\n    this.register(forwardEvent(this._inputHandler.onCursorMove, this._onCursorMove));\n    this.register(forwardEvent(this._inputHandler.onTitleChange, this._onTitleChange));\n    this.register(forwardEvent(this._inputHandler.onA11yChar, this._onA11yCharEmitter));\n    this.register(forwardEvent(this._inputHandler.onA11yTab, this._onA11yTabEmitter));\n\n    // Setup listeners\n    this.register(this._bufferService.onResize(e => this._afterResize(e.cols, e.rows)));\n\n    this.register(toDisposable(() => {\n      this._customKeyEventHandler = undefined;\n      this.element?.parentNode?.removeChild(this.element);\n    }));\n  }\n\n  /**\n   * Handle color event from inputhandler for OSC 4|104 | 10|110 | 11|111 | 12|112.\n   * An event from OSC 4|104 may contain multiple set or report requests, and multiple\n   * or none restore requests (resetting all),\n   * while an event from OSC 10|110 | 11|111 | 12|112 always contains a single request.\n   */\n  private _handleColorEvent(event: IColorEvent): void {\n    if (!this._themeService) return;\n    for (const req of event) {\n      let acc: 'foreground' | 'background' | 'cursor' | 'ansi';\n      let ident = '';\n      switch (req.index) {\n        case SpecialColorIndex.FOREGROUND: // OSC 10 | 110\n          acc = 'foreground';\n          ident = '10';\n          break;\n        case SpecialColorIndex.BACKGROUND: // OSC 11 | 111\n          acc = 'background';\n          ident = '11';\n          break;\n        case SpecialColorIndex.CURSOR: // OSC 12 | 112\n          acc = 'cursor';\n          ident = '12';\n          break;\n        default: // OSC 4 | 104\n          // we can skip the [0..255] range check here (already done in inputhandler)\n          acc = 'ansi';\n          ident = '4;' + req.index;\n      }\n      switch (req.type) {\n        case ColorRequestType.REPORT:\n          const channels = color.toColorRGB(acc === 'ansi'\n            ? this._themeService.colors.ansi[req.index]\n            : this._themeService.colors[acc]);\n          this.coreService.triggerDataEvent(`${C0.ESC}]${ident};${toRgbString(channels)}${C1_ESCAPED.ST}`);\n          break;\n        case ColorRequestType.SET:\n          if (acc === 'ansi') {\n            this._themeService.modifyColors(colors => colors.ansi[req.index] = rgba.toColor(...req.color));\n          } else {\n            const narrowedAcc = acc;\n            this._themeService.modifyColors(colors => colors[narrowedAcc] = rgba.toColor(...req.color));\n          }\n          break;\n        case ColorRequestType.RESTORE:\n          this._themeService.restoreColor(req.index);\n          break;\n      }\n    }\n  }\n\n  protected _setup(): void {\n    super._setup();\n\n    this._customKeyEventHandler = undefined;\n  }\n\n  /**\n   * Convenience property to active buffer.\n   */\n  public get buffer(): IBuffer {\n    return this.buffers.active;\n  }\n\n  /**\n   * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n   */\n  public focus(): void {\n    if (this.textarea) {\n      this.textarea.focus({ preventScroll: true });\n    }\n  }\n\n  private _handleScreenReaderModeOptionChange(value: boolean): void {\n    if (value) {\n      if (!this._accessibilityManager.value && this._renderService) {\n        this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);\n      }\n    } else {\n      this._accessibilityManager.clear();\n    }\n  }\n\n  /**\n   * Binds the desired focus behavior on a given terminal object.\n   */\n  private _handleTextAreaFocus(ev: KeyboardEvent): void {\n    if (this.coreService.decPrivateModes.sendFocus) {\n      this.coreService.triggerDataEvent(C0.ESC + '[I');\n    }\n    this.updateCursorStyle(ev);\n    this.element!.classList.add('focus');\n    this._showCursor();\n    this._onFocus.fire();\n  }\n\n  /**\n   * Blur the terminal, calling the blur function on the terminal's underlying\n   * textarea.\n   */\n  public blur(): void {\n    return this.textarea?.blur();\n  }\n\n  /**\n   * Binds the desired blur behavior on a given terminal object.\n   */\n  private _handleTextAreaBlur(): void {\n    // Text can safely be removed on blur. Doing it earlier could interfere with\n    // screen readers reading it out.\n    this.textarea!.value = '';\n    this.refresh(this.buffer.y, this.buffer.y);\n    if (this.coreService.decPrivateModes.sendFocus) {\n      this.coreService.triggerDataEvent(C0.ESC + '[O');\n    }\n    this.element!.classList.remove('focus');\n    this._onBlur.fire();\n  }\n\n  private _syncTextArea(): void {\n    if (!this.textarea || !this.buffer.isCursorInViewport || this._compositionHelper!.isComposing || !this._renderService) {\n      return;\n    }\n    const cursorY = this.buffer.ybase + this.buffer.y;\n    const bufferLine = this.buffer.lines.get(cursorY);\n    if (!bufferLine) {\n      return;\n    }\n    const cursorX = Math.min(this.buffer.x, this.cols - 1);\n    const cellHeight = this._renderService.dimensions.css.cell.height;\n    const width = bufferLine.getWidth(cursorX);\n    const cellWidth = this._renderService.dimensions.css.cell.width * width;\n    const cursorTop = this.buffer.y * this._renderService.dimensions.css.cell.height;\n    const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;\n\n    // Sync the textarea to the exact position of the composition view so the IME knows where the\n    // text is.\n    this.textarea.style.left = cursorLeft + 'px';\n    this.textarea.style.top = cursorTop + 'px';\n    this.textarea.style.width = cellWidth + 'px';\n    this.textarea.style.height = cellHeight + 'px';\n    this.textarea.style.lineHeight = cellHeight + 'px';\n    this.textarea.style.zIndex = '-5';\n  }\n\n  /**\n   * Initialize default behavior\n   */\n  private _initGlobal(): void {\n    this._bindKeys();\n\n    // Bind clipboard functionality\n    this.register(addDisposableDomListener(this.element!, 'copy', (event: ClipboardEvent) => {\n      // If mouse events are active it means the selection manager is disabled and\n      // copy should be handled by the host program.\n      if (!this.hasSelection()) {\n        return;\n      }\n      copyHandler(event, this._selectionService!);\n    }));\n    const pasteHandlerWrapper = (event: ClipboardEvent): void => handlePasteEvent(event, this.textarea!, this.coreService, this.optionsService);\n    this.register(addDisposableDomListener(this.textarea!, 'paste', pasteHandlerWrapper));\n    this.register(addDisposableDomListener(this.element!, 'paste', pasteHandlerWrapper));\n\n    // Handle right click context menus\n    if (Browser.isFirefox) {\n      // Firefox doesn't appear to fire the contextmenu event on right click\n      this.register(addDisposableDomListener(this.element!, 'mousedown', (event: MouseEvent) => {\n        if (event.button === 2) {\n          rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);\n        }\n      }));\n    } else {\n      this.register(addDisposableDomListener(this.element!, 'contextmenu', (event: MouseEvent) => {\n        rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);\n      }));\n    }\n\n    // Move the textarea under the cursor when middle clicking on Linux to ensure\n    // middle click to paste selection works. This only appears to work in Chrome\n    // at the time is writing.\n    if (Browser.isLinux) {\n      // Use auxclick event over mousedown the latter doesn't seem to work. Note\n      // that the regular click event doesn't fire for the middle mouse button.\n      this.register(addDisposableDomListener(this.element!, 'auxclick', (event: MouseEvent) => {\n        if (event.button === 1) {\n          moveTextAreaUnderMouseCursor(event, this.textarea!, this.screenElement!);\n        }\n      }));\n    }\n  }\n\n  /**\n   * Apply key handling to the terminal\n   */\n  private _bindKeys(): void {\n    this.register(addDisposableDomListener(this.textarea!, 'keyup', (ev: KeyboardEvent) => this._keyUp(ev), true));\n    this.register(addDisposableDomListener(this.textarea!, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));\n    this.register(addDisposableDomListener(this.textarea!, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));\n    this.register(addDisposableDomListener(this.textarea!, 'compositionstart', () => this._compositionHelper!.compositionstart()));\n    this.register(addDisposableDomListener(this.textarea!, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper!.compositionupdate(e)));\n    this.register(addDisposableDomListener(this.textarea!, 'compositionend', () => this._compositionHelper!.compositionend()));\n    this.register(addDisposableDomListener(this.textarea!, 'input', (ev: InputEvent) => this._inputEvent(ev), true));\n    this.register(this.onRender(() => this._compositionHelper!.updateCompositionElements()));\n  }\n\n  /**\n   * Opens the terminal within an element.\n   *\n   * @param parent The element to create the terminal within.\n   */\n  public open(parent: HTMLElement): void {\n    if (!parent) {\n      throw new Error('Terminal requires a parent element.');\n    }\n\n    if (!parent.isConnected) {\n      this._logService.debug('Terminal.open was called on an element that was not attached to the DOM');\n    }\n\n    this._document = parent.ownerDocument!;\n\n    // Create main element container\n    this.element = this._document.createElement('div');\n    this.element.dir = 'ltr';   // xterm.css assumes LTR\n    this.element.classList.add('terminal');\n    this.element.classList.add('xterm');\n    parent.appendChild(this.element);\n\n    // Performance: Use a document fragment to build the terminal\n    // viewport and helper elements detached from the DOM\n    const fragment = document.createDocumentFragment();\n    this._viewportElement = document.createElement('div');\n    this._viewportElement.classList.add('xterm-viewport');\n    fragment.appendChild(this._viewportElement);\n\n    this._viewportScrollArea = document.createElement('div');\n    this._viewportScrollArea.classList.add('xterm-scroll-area');\n    this._viewportElement.appendChild(this._viewportScrollArea);\n\n    this.screenElement = document.createElement('div');\n    this.screenElement.classList.add('xterm-screen');\n    // Create the container that will hold helpers like the textarea for\n    // capturing DOM Events. Then produce the helpers.\n    this._helperContainer = document.createElement('div');\n    this._helperContainer.classList.add('xterm-helpers');\n    this.screenElement.appendChild(this._helperContainer);\n    fragment.appendChild(this.screenElement);\n\n    this.textarea = document.createElement('textarea');\n    this.textarea.classList.add('xterm-helper-textarea');\n    this.textarea.setAttribute('aria-label', Strings.promptLabel);\n    if (!Browser.isChromeOS) {\n      // ChromeVox on ChromeOS does not like this. See\n      // https://issuetracker.google.com/issues/260170397\n      this.textarea.setAttribute('aria-multiline', 'false');\n    }\n    this.textarea.setAttribute('autocorrect', 'off');\n    this.textarea.setAttribute('autocapitalize', 'off');\n    this.textarea.setAttribute('spellcheck', 'false');\n    this.textarea.tabIndex = 0;\n\n    // Register the core browser service before the generic textarea handlers are registered so it\n    // handles them first. Otherwise the renderers may use the wrong focus state.\n    this._coreBrowserService = this._instantiationService.createInstance(CoreBrowserService, this.textarea, this._document.defaultView ?? window);\n    this._instantiationService.setService(ICoreBrowserService, this._coreBrowserService);\n\n    this.register(addDisposableDomListener(this.textarea, 'focus', (ev: KeyboardEvent) => this._handleTextAreaFocus(ev)));\n    this.register(addDisposableDomListener(this.textarea, 'blur', () => this._handleTextAreaBlur()));\n    this._helperContainer.appendChild(this.textarea);\n\n\n    this._charSizeService = this._instantiationService.createInstance(CharSizeService, this._document, this._helperContainer);\n    this._instantiationService.setService(ICharSizeService, this._charSizeService);\n\n    this._themeService = this._instantiationService.createInstance(ThemeService);\n    this._instantiationService.setService(IThemeService, this._themeService);\n\n    this._characterJoinerService = this._instantiationService.createInstance(CharacterJoinerService);\n    this._instantiationService.setService(ICharacterJoinerService, this._characterJoinerService);\n\n    this._renderService = this.register(this._instantiationService.createInstance(RenderService, this.rows, this.screenElement));\n    this._instantiationService.setService(IRenderService, this._renderService);\n    this.register(this._renderService.onRenderedViewportChange(e => this._onRender.fire(e)));\n    this.onResize(e => this._renderService!.resize(e.cols, e.rows));\n\n    this._compositionView = document.createElement('div');\n    this._compositionView.classList.add('composition-view');\n    this._compositionHelper = this._instantiationService.createInstance(CompositionHelper, this.textarea, this._compositionView);\n    this._helperContainer.appendChild(this._compositionView);\n\n    // Performance: Add viewport and helper elements from the fragment\n    this.element.appendChild(fragment);\n\n    try {\n      this._onWillOpen.fire(this.element);\n    }\n    catch { /* fails to load addon for some reason */ }\n    if (!this._renderService.hasRenderer()) {\n      this._renderService.setRenderer(this._createRenderer());\n    }\n\n    this._mouseService = this._instantiationService.createInstance(MouseService);\n    this._instantiationService.setService(IMouseService, this._mouseService);\n\n    this.viewport = this._instantiationService.createInstance(Viewport, this._viewportElement, this._viewportScrollArea);\n    this.viewport.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent, ScrollSource.VIEWPORT)),\n    this.register(this._inputHandler.onRequestSyncScrollBar(() => this.viewport!.syncScrollArea()));\n    this.register(this.viewport);\n\n    this.register(this.onCursorMove(() => {\n      this._renderService!.handleCursorMove();\n      this._syncTextArea();\n    }));\n    this.register(this.onResize(() => this._renderService!.handleResize(this.cols, this.rows)));\n    this.register(this.onBlur(() => this._renderService!.handleBlur()));\n    this.register(this.onFocus(() => this._renderService!.handleFocus()));\n    this.register(this._renderService.onDimensionsChange(() => this.viewport!.syncScrollArea()));\n\n    this._selectionService = this.register(this._instantiationService.createInstance(SelectionService,\n      this.element,\n      this.screenElement,\n      this.linkifier2\n    ));\n    this._instantiationService.setService(ISelectionService, this._selectionService);\n    this.register(this._selectionService.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent)));\n    this.register(this._selectionService.onSelectionChange(() => this._onSelectionChange.fire()));\n    this.register(this._selectionService.onRequestRedraw(e => this._renderService!.handleSelectionChanged(e.start, e.end, e.columnSelectMode)));\n    this.register(this._selectionService.onLinuxMouseSelection(text => {\n      // If there's a new selection, put it into the textarea, focus and select it\n      // in order to register it as a selection on the OS. This event is fired\n      // only on Linux to enable middle click to paste selection.\n      this.textarea!.value = text;\n      this.textarea!.focus();\n      this.textarea!.select();\n    }));\n    this.register(this._onScroll.event(ev => {\n      this.viewport!.syncScrollArea();\n      this._selectionService!.refresh();\n    }));\n    this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this._selectionService!.refresh()));\n\n    this.linkifier2.attachToDom(this.screenElement, this._mouseService, this._renderService);\n    this.register(this._instantiationService.createInstance(BufferDecorationRenderer, this.screenElement));\n    this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.handleMouseDown(e)));\n\n    // apply mouse event classes set by escape codes before terminal was attached\n    if (this.coreMouseService.areMouseEventsActive) {\n      this._selectionService.disable();\n      this.element.classList.add('enable-mouse-events');\n    } else {\n      this._selectionService.enable();\n    }\n\n    if (this.options.screenReaderMode) {\n      // Note that this must be done *after* the renderer is created in order to\n      // ensure the correct order of the dprchange event\n      this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);\n    }\n    this.register(this.optionsService.onSpecificOptionChange('screenReaderMode', e => this._handleScreenReaderModeOptionChange(e)));\n\n    if (this.options.overviewRulerWidth) {\n      this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));\n    }\n    this.optionsService.onSpecificOptionChange('overviewRulerWidth', value => {\n      if (!this._overviewRulerRenderer && value && this._viewportElement && this.screenElement) {\n        this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));\n      }\n    });\n    // Measure the character size\n    this._charSizeService.measure();\n\n    // Setup loop that draws to screen\n    this.refresh(0, this.rows - 1);\n\n    // Initialize global actions that need to be taken on the document.\n    this._initGlobal();\n\n    // Listen for mouse events and translate\n    // them into terminal mouse protocols.\n    this.bindMouse();\n  }\n\n  private _createRenderer(): IRenderer {\n    return this._instantiationService.createInstance(DomRenderer, this.element!, this.screenElement!, this._viewportElement!, this.linkifier2);\n  }\n\n  /**\n   * Bind certain mouse events to the terminal.\n   * By default only 3 button + wheel up/down is ativated. For higher buttons\n   * no mouse report will be created. Typically the standard actions will be active.\n   *\n   * There are several reasons not to enable support for higher buttons/wheel:\n   * - Button 4 and 5 are typically used for history back and forward navigation,\n   *   there is no straight forward way to supress/intercept those standard actions.\n   * - Support for higher buttons does not work in some platform/browser combinations.\n   * - Left/right wheel was not tested.\n   * - Emulators vary in mouse button support, typically only 3 buttons and\n   *   wheel up/down work reliable.\n   *\n   * TODO: Move mouse event code into its own file.\n   */\n  public bindMouse(): void {\n    const self = this;\n    const el = this.element!;\n\n    // send event to CoreMouseService\n    function sendEvent(ev: MouseEvent | WheelEvent): boolean {\n      // get mouse coordinates\n      const pos = self._mouseService!.getMouseReportCoords(ev, self.screenElement!);\n      if (!pos) {\n        return false;\n      }\n\n      let but: CoreMouseButton;\n      let action: CoreMouseAction | undefined;\n      switch ((ev as any).overrideType || ev.type) {\n        case 'mousemove':\n          action = CoreMouseAction.MOVE;\n          if (ev.buttons === undefined) {\n            // buttons is not supported on macOS, try to get a value from button instead\n            but = CoreMouseButton.NONE;\n            if (ev.button !== undefined) {\n              but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n            }\n          } else {\n            // according to MDN buttons only reports up to button 5 (AUX2)\n            but = ev.buttons & 1 ? CoreMouseButton.LEFT :\n              ev.buttons & 4 ? CoreMouseButton.MIDDLE :\n                ev.buttons & 2 ? CoreMouseButton.RIGHT :\n                  CoreMouseButton.NONE; // fallback to NONE\n          }\n          break;\n        case 'mouseup':\n          action = CoreMouseAction.UP;\n          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n          break;\n        case 'mousedown':\n          action = CoreMouseAction.DOWN;\n          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n          break;\n        case 'wheel':\n          const amount = self.viewport!.getLinesScrolled(ev as WheelEvent);\n\n          if (amount === 0) {\n            return false;\n          }\n\n          action = (ev as WheelEvent).deltaY < 0 ? CoreMouseAction.UP : CoreMouseAction.DOWN;\n          but = CoreMouseButton.WHEEL;\n          break;\n        default:\n          // dont handle other event types by accident\n          return false;\n      }\n\n      // exit if we cannot determine valid button/action values\n      // do nothing for higher buttons than wheel\n      if (action === undefined || but === undefined || but > CoreMouseButton.WHEEL) {\n        return false;\n      }\n\n      return self.coreMouseService.triggerMouseEvent({\n        col: pos.col,\n        row: pos.row,\n        x: pos.x,\n        y: pos.y,\n        button: but,\n        action,\n        ctrl: ev.ctrlKey,\n        alt: ev.altKey,\n        shift: ev.shiftKey\n      });\n    }\n\n    /**\n     * Event listener state handling.\n     * We listen to the onProtocolChange event of CoreMouseService and put\n     * requested listeners in `requestedEvents`. With this the listeners\n     * have all bits to do the event listener juggling.\n     * Note: 'mousedown' currently is \"always on\" and not managed\n     * by onProtocolChange.\n     */\n    const requestedEvents: { [key: string]: ((ev: Event) => void) | null } = {\n      mouseup: null,\n      wheel: null,\n      mousedrag: null,\n      mousemove: null\n    };\n    const eventListeners: { [key: string]: (ev: any) => void | boolean } = {\n      mouseup: (ev: MouseEvent) => {\n        sendEvent(ev);\n        if (!ev.buttons) {\n          // if no other button is held remove global handlers\n          this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);\n          if (requestedEvents.mousedrag) {\n            this._document!.removeEventListener('mousemove', requestedEvents.mousedrag);\n          }\n        }\n        return this.cancel(ev);\n      },\n      wheel: (ev: WheelEvent) => {\n        sendEvent(ev);\n        return this.cancel(ev, true);\n      },\n      mousedrag: (ev: MouseEvent) => {\n        // deal only with move while a button is held\n        if (ev.buttons) {\n          sendEvent(ev);\n        }\n      },\n      mousemove: (ev: MouseEvent) => {\n        // deal only with move without any button\n        if (!ev.buttons) {\n          sendEvent(ev);\n        }\n      }\n    };\n    this.register(this.coreMouseService.onProtocolChange(events => {\n      // apply global changes on events\n      if (events) {\n        if (this.optionsService.rawOptions.logLevel === 'debug') {\n          this._logService.debug('Binding to mouse events:', this.coreMouseService.explainEvents(events));\n        }\n        this.element!.classList.add('enable-mouse-events');\n        this._selectionService!.disable();\n      } else {\n        this._logService.debug('Unbinding from mouse events.');\n        this.element!.classList.remove('enable-mouse-events');\n        this._selectionService!.enable();\n      }\n\n      // add/remove handlers from requestedEvents\n\n      if (!(events & CoreMouseEventType.MOVE)) {\n        el.removeEventListener('mousemove', requestedEvents.mousemove!);\n        requestedEvents.mousemove = null;\n      } else if (!requestedEvents.mousemove) {\n        el.addEventListener('mousemove', eventListeners.mousemove);\n        requestedEvents.mousemove = eventListeners.mousemove;\n      }\n\n      if (!(events & CoreMouseEventType.WHEEL)) {\n        el.removeEventListener('wheel', requestedEvents.wheel!);\n        requestedEvents.wheel = null;\n      } else if (!requestedEvents.wheel) {\n        el.addEventListener('wheel', eventListeners.wheel, { passive: false });\n        requestedEvents.wheel = eventListeners.wheel;\n      }\n\n      if (!(events & CoreMouseEventType.UP)) {\n        this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);\n        el.removeEventListener('mouseup', requestedEvents.mouseup!);\n        requestedEvents.mouseup = null;\n      } else if (!requestedEvents.mouseup) {\n        el.addEventListener('mouseup', eventListeners.mouseup);\n        requestedEvents.mouseup = eventListeners.mouseup;\n      }\n\n      if (!(events & CoreMouseEventType.DRAG)) {\n        this._document!.removeEventListener('mousemove', requestedEvents.mousedrag!);\n        requestedEvents.mousedrag = null;\n      } else if (!requestedEvents.mousedrag) {\n        requestedEvents.mousedrag = eventListeners.mousedrag;\n      }\n    }));\n    // force initial onProtocolChange so we dont miss early mouse requests\n    this.coreMouseService.activeProtocol = this.coreMouseService.activeProtocol;\n\n    /**\n     * \"Always on\" event listeners.\n     */\n    this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {\n      ev.preventDefault();\n      this.focus();\n\n      // Don't send the mouse button to the pty if mouse events are disabled or\n      // if the selection manager is having selection forced (ie. a modifier is\n      // held).\n      if (!this.coreMouseService.areMouseEventsActive || this._selectionService!.shouldForceSelection(ev)) {\n        return;\n      }\n\n      sendEvent(ev);\n\n      // Register additional global handlers which should keep reporting outside\n      // of the terminal element.\n      // Note: Other emulators also do this for 'mousedown' while a button\n      // is held, we currently limit 'mousedown' to the terminal only.\n      if (requestedEvents.mouseup) {\n        this._document!.addEventListener('mouseup', requestedEvents.mouseup);\n      }\n      if (requestedEvents.mousedrag) {\n        this._document!.addEventListener('mousemove', requestedEvents.mousedrag);\n      }\n\n      return this.cancel(ev);\n    }));\n\n    this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n      // do nothing, if app side handles wheel itself\n      if (requestedEvents.wheel) return;\n\n      if (!this.buffer.hasScrollback) {\n        // Convert wheel events into up/down events when the buffer does not have scrollback, this\n        // enables scrolling in apps hosted in the alt buffer such as vim or tmux.\n        const amount = this.viewport!.getLinesScrolled(ev);\n\n        // Do nothing if there's no vertical scroll\n        if (amount === 0) {\n          return;\n        }\n\n        // Construct and send sequences\n        const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');\n        let data = '';\n        for (let i = 0; i < Math.abs(amount); i++) {\n          data += sequence;\n        }\n        this.coreService.triggerDataEvent(data, true);\n        return this.cancel(ev, true);\n      }\n\n      // normal viewport scrolling\n      // conditionally stop event, if the viewport still had rows to scroll within\n      if (this.viewport!.handleWheel(ev)) {\n        return this.cancel(ev);\n      }\n    }, { passive: false }));\n\n    this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {\n      if (this.coreMouseService.areMouseEventsActive) return;\n      this.viewport!.handleTouchStart(ev);\n      return this.cancel(ev);\n    }, { passive: true }));\n\n    this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {\n      if (this.coreMouseService.areMouseEventsActive) return;\n      if (!this.viewport!.handleTouchMove(ev)) {\n        return this.cancel(ev);\n      }\n    }, { passive: false }));\n  }\n\n\n  /**\n   * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n   * opportunity.\n   * @param start The row to start from (between 0 and this.rows - 1).\n   * @param end The row to end at (between start and this.rows - 1).\n   */\n  public refresh(start: number, end: number): void {\n    this._renderService?.refreshRows(start, end);\n  }\n\n  /**\n   * Change the cursor style for different selection modes\n   */\n  public updateCursorStyle(ev: KeyboardEvent): void {\n    if (this._selectionService?.shouldColumnSelect(ev)) {\n      this.element!.classList.add('column-select');\n    } else {\n      this.element!.classList.remove('column-select');\n    }\n  }\n\n  /**\n   * Display the cursor element\n   */\n  private _showCursor(): void {\n    if (!this.coreService.isCursorInitialized) {\n      this.coreService.isCursorInitialized = true;\n      this.refresh(this.buffer.y, this.buffer.y);\n    }\n  }\n\n  public scrollLines(disp: number, suppressScrollEvent?: boolean, source = ScrollSource.TERMINAL): void {\n    if (source === ScrollSource.VIEWPORT) {\n      super.scrollLines(disp, suppressScrollEvent, source);\n      this.refresh(0, this.rows - 1);\n    } else {\n      this.viewport?.scrollLines(disp);\n    }\n  }\n\n  public paste(data: string): void {\n    paste(data, this.textarea!, this.coreService, this.optionsService);\n  }\n\n  /**\n   * Attaches a custom key event handler which is run before keys are processed,\n   * giving consumers of xterm.js ultimate control as to what keys should be\n   * processed by the terminal and what keys should not.\n   * @param customKeyEventHandler The custom KeyboardEvent handler to attach.\n   * This is a function that takes a KeyboardEvent, allowing consumers to stop\n   * propagation and/or prevent the default action. The function returns whether\n   * the event should be processed by xterm.js.\n   */\n  public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {\n    this._customKeyEventHandler = customKeyEventHandler;\n  }\n\n  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {\n    return this.linkifier2.registerLinkProvider(linkProvider);\n  }\n\n  public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n    if (!this._characterJoinerService) {\n      throw new Error('Terminal must be opened first');\n    }\n    const joinerId = this._characterJoinerService.register(handler);\n    this.refresh(0, this.rows - 1);\n    return joinerId;\n  }\n\n  public deregisterCharacterJoiner(joinerId: number): void {\n    if (!this._characterJoinerService) {\n      throw new Error('Terminal must be opened first');\n    }\n    if (this._characterJoinerService.deregister(joinerId)) {\n      this.refresh(0, this.rows - 1);\n    }\n  }\n\n  public get markers(): IMarker[] {\n    return this.buffer.markers;\n  }\n\n  public registerMarker(cursorYOffset: number): IMarker {\n    return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);\n  }\n\n  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {\n    return this._decorationService.registerDecoration(decorationOptions);\n  }\n\n  /**\n   * Gets whether the terminal has an active selection.\n   */\n  public hasSelection(): boolean {\n    return this._selectionService ? this._selectionService.hasSelection : false;\n  }\n\n  /**\n   * Selects text within the terminal.\n   * @param column The column the selection starts at..\n   * @param row The row the selection starts at.\n   * @param length The length of the selection.\n   */\n  public select(column: number, row: number, length: number): void {\n    this._selectionService!.setSelection(column, row, length);\n  }\n\n  /**\n   * Gets the terminal's current selection, this is useful for implementing copy\n   * behavior outside of xterm.js.\n   */\n  public getSelection(): string {\n    return this._selectionService ? this._selectionService.selectionText : '';\n  }\n\n  public getSelectionPosition(): IBufferRange | undefined {\n    if (!this._selectionService || !this._selectionService.hasSelection) {\n      return undefined;\n    }\n\n    return {\n      start: {\n        x: this._selectionService.selectionStart![0],\n        y: this._selectionService.selectionStart![1]\n      },\n      end: {\n        x: this._selectionService.selectionEnd![0],\n        y: this._selectionService.selectionEnd![1]\n      }\n    };\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._selectionService?.clearSelection();\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._selectionService?.selectAll();\n  }\n\n  public selectLines(start: number, end: number): void {\n    this._selectionService?.selectLines(start, end);\n  }\n\n  /**\n   * Handle a keydown [KeyboardEvent].\n   *\n   * [KeyboardEvent]: https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n   */\n  protected _keyDown(event: KeyboardEvent): boolean | undefined {\n    this._keyDownHandled = false;\n    this._keyDownSeen = true;\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {\n      return false;\n    }\n\n    // Ignore composing with Alt key on Mac when macOptionIsMeta is enabled\n    const shouldIgnoreComposition = this.browser.isMac && this.options.macOptionIsMeta && event.altKey;\n\n    if (!shouldIgnoreComposition && !this._compositionHelper!.keydown(event)) {\n      if (this.options.scrollOnUserInput && this.buffer.ybase !== this.buffer.ydisp) {\n        this.scrollToBottom();\n      }\n      return false;\n    }\n\n    if (!shouldIgnoreComposition && (event.key === 'Dead' || event.key === 'AltGraph')) {\n      this._unprocessedDeadKey = true;\n    }\n\n    const result = evaluateKeyboardEvent(event, this.coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);\n\n    this.updateCursorStyle(event);\n\n    if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {\n      const scrollCount = this.rows - 1;\n      this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);\n      return this.cancel(event, true);\n    }\n\n    if (result.type === KeyboardResultType.SELECT_ALL) {\n      this.selectAll();\n    }\n\n    if (this._isThirdLevelShift(this.browser, event)) {\n      return true;\n    }\n\n    if (result.cancel) {\n      // The event is canceled at the end already, is this necessary?\n      this.cancel(event, true);\n    }\n\n    if (!result.key) {\n      return true;\n    }\n\n    // HACK: Process A-Z in the keypress event to fix an issue with macOS IMEs where lower case\n    // letters cannot be input while caps lock is on.\n    if (event.key && !event.ctrlKey && !event.altKey && !event.metaKey && event.key.length === 1) {\n      if (event.key.charCodeAt(0) >= 65 && event.key.charCodeAt(0) <= 90) {\n        return true;\n      }\n    }\n\n    if (this._unprocessedDeadKey) {\n      this._unprocessedDeadKey = false;\n      return true;\n    }\n\n    // If ctrl+c or enter is being sent, clear out the textarea. This is done so that screen readers\n    // will announce deleted characters. This will not work 100% of the time but it should cover\n    // most scenarios.\n    if (result.key === C0.ETX || result.key === C0.CR) {\n      this.textarea!.value = '';\n    }\n\n    this._onKey.fire({ key: result.key, domEvent: event });\n    this._showCursor();\n    this.coreService.triggerDataEvent(result.key, true);\n\n    // Cancel events when not in screen reader mode so events don't get bubbled up and handled by\n    // other listeners. When screen reader mode is enabled, we don't cancel them (unless ctrl or alt\n    // is also depressed) so that the cursor textarea can be updated, which triggers the screen\n    // reader to read it.\n    if (!this.optionsService.rawOptions.screenReaderMode || event.altKey || event.ctrlKey) {\n      return this.cancel(event, true);\n    }\n\n    this._keyDownHandled = true;\n  }\n\n  private _isThirdLevelShift(browser: IBrowser, ev: KeyboardEvent): boolean {\n    const thirdLevelKey =\n      (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n      (browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey) ||\n      (browser.isWindows && ev.getModifierState('AltGraph'));\n\n    if (ev.type === 'keypress') {\n      return thirdLevelKey;\n    }\n\n    // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n  }\n\n  protected _keyUp(ev: KeyboardEvent): void {\n    this._keyDownSeen = false;\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n      return;\n    }\n\n    if (!wasModifierKeyOnlyEvent(ev)) {\n      this.focus();\n    }\n\n    this.updateCursorStyle(ev);\n    this._keyPressHandled = false;\n  }\n\n  /**\n   * Handle a keypress event.\n   * Key Resources:\n   *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n   * @param ev The keypress event to be handled.\n   */\n  protected _keyPress(ev: KeyboardEvent): boolean {\n    let key;\n\n    this._keyPressHandled = false;\n\n    if (this._keyDownHandled) {\n      return false;\n    }\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n      return false;\n    }\n\n    this.cancel(ev);\n\n    if (ev.charCode) {\n      key = ev.charCode;\n    } else if (ev.which === null || ev.which === undefined) {\n      key = ev.keyCode;\n    } else if (ev.which !== 0 && ev.charCode !== 0) {\n      key = ev.which;\n    } else {\n      return false;\n    }\n\n    if (!key || (\n      (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)\n    )) {\n      return false;\n    }\n\n    key = String.fromCharCode(key);\n\n    this._onKey.fire({ key, domEvent: ev });\n    this._showCursor();\n    this.coreService.triggerDataEvent(key, true);\n\n    this._keyPressHandled = true;\n\n    // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow\n    // keys could be ignored\n    this._unprocessedDeadKey = false;\n\n    return true;\n  }\n\n  /**\n   * Handle an input event.\n   * Key Resources:\n   *   - https://developer.mozilla.org/en-US/docs/Web/API/InputEvent\n   * @param ev The input event to be handled.\n   */\n  protected _inputEvent(ev: InputEvent): boolean {\n    // Only support emoji IMEs when screen reader mode is disabled as the event must bubble up to\n    // support reading out character input which can doubling up input characters\n    // Based on these event traces: https://github.com/xtermjs/xterm.js/issues/3679\n    if (ev.data && ev.inputType === 'insertText' && (!ev.composed || !this._keyDownSeen) && !this.optionsService.rawOptions.screenReaderMode) {\n      if (this._keyPressHandled) {\n        return false;\n      }\n\n      // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow\n      // keys could be ignored\n      this._unprocessedDeadKey = false;\n\n      const text = ev.data;\n      this.coreService.triggerDataEvent(text, true);\n\n      this.cancel(ev);\n      return true;\n    }\n\n    return false;\n  }\n\n  /**\n   * Resizes the terminal.\n   *\n   * @param x The number of columns to resize to.\n   * @param y The number of rows to resize to.\n   */\n  public resize(x: number, y: number): void {\n    if (x === this.cols && y === this.rows) {\n      // Check if we still need to measure the char size (fixes #785).\n      if (this._charSizeService && !this._charSizeService.hasValidSize) {\n        this._charSizeService.measure();\n      }\n      return;\n    }\n\n    super.resize(x, y);\n  }\n\n  private _afterResize(x: number, y: number): void {\n    this._charSizeService?.measure();\n\n    // Sync the scroll area to make sure scroll events don't fire and scroll the viewport to an\n    // invalid location\n    this.viewport?.syncScrollArea(true);\n  }\n\n  /**\n   * Clear the entire buffer, making the prompt line the new first line.\n   */\n  public clear(): void {\n    if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n      // Don't clear if it's already clear\n      return;\n    }\n    this.buffer.clearAllMarkers();\n    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);\n    this.buffer.lines.length = 1;\n    this.buffer.ydisp = 0;\n    this.buffer.ybase = 0;\n    this.buffer.y = 0;\n    for (let i = 1; i < this.rows; i++) {\n      this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));\n    }\n    // IMPORTANT: Fire scroll event before viewport is reset. This ensures embedders get the clear\n    // scroll event and that the viewport's state will be valid for immediate writes.\n    this._onScroll.fire({ position: this.buffer.ydisp, source: ScrollSource.TERMINAL });\n    this.viewport?.reset();\n    this.refresh(0, this.rows - 1);\n  }\n\n  /**\n   * Reset terminal.\n   * Note: Calling this directly from JS is synchronous but does not clear\n   * input buffers and does not reset the parser, thus the terminal will\n   * continue to apply pending input data.\n   * If you need in band reset (synchronous with input data) consider\n   * using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).\n   */\n  public reset(): void {\n    /**\n     * Since _setup handles a full terminal creation, we have to carry forward\n     * a few things that should not reset.\n     */\n    this.options.rows = this.rows;\n    this.options.cols = this.cols;\n    const customKeyEventHandler = this._customKeyEventHandler;\n\n    this._setup();\n    super.reset();\n    this._selectionService?.reset();\n    this._decorationService.reset();\n    this.viewport?.reset();\n\n    // reattach\n    this._customKeyEventHandler = customKeyEventHandler;\n\n    // do a full screen refresh\n    this.refresh(0, this.rows - 1);\n  }\n\n  public clearTextureAtlas(): void {\n    this._renderService?.clearTextureAtlas();\n  }\n\n  private _reportFocus(): void {\n    if (this.element?.classList.contains('focus')) {\n      this.coreService.triggerDataEvent(C0.ESC + '[I');\n    } else {\n      this.coreService.triggerDataEvent(C0.ESC + '[O');\n    }\n  }\n\n  private _reportWindowsOptions(type: WindowsOptionsReportType): void {\n    if (!this._renderService) {\n      return;\n    }\n\n    switch (type) {\n      case WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:\n        const canvasWidth = this._renderService.dimensions.css.canvas.width.toFixed(0);\n        const canvasHeight = this._renderService.dimensions.css.canvas.height.toFixed(0);\n        this.coreService.triggerDataEvent(`${C0.ESC}[4;${canvasHeight};${canvasWidth}t`);\n        break;\n      case WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:\n        const cellWidth = this._renderService.dimensions.css.cell.width.toFixed(0);\n        const cellHeight = this._renderService.dimensions.css.cell.height.toFixed(0);\n        this.coreService.triggerDataEvent(`${C0.ESC}[6;${cellHeight};${cellWidth}t`);\n        break;\n    }\n  }\n\n  // TODO: Remove cancel function and cancelEvents option\n  public cancel(ev: Event, force?: boolean): boolean | undefined {\n    if (!this.options.cancelEvents && !force) {\n      return;\n    }\n    ev.preventDefault();\n    ev.stopPropagation();\n    return false;\n  }\n}\n\n/**\n * Helpers\n */\n\nfunction wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {\n  return ev.keyCode === 16 || // Shift\n    ev.keyCode === 17 || // Ctrl\n    ev.keyCode === 18; // Alt\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nconst RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second\n\nimport { IRenderDebouncer } from 'browser/Types';\n\n/**\n * Debounces calls to update screen readers to update at most once configurable interval of time.\n */\nexport class TimeBasedDebouncer implements IRenderDebouncer {\n  private _rowStart: number | undefined;\n  private _rowEnd: number | undefined;\n  private _rowCount: number | undefined;\n\n  // The last moment that the Terminal was refreshed at\n  private _lastRefreshMs = 0;\n  // Whether a trailing refresh should be triggered due to a refresh request that was throttled\n  private _additionalRefreshRequested = false;\n\n  private _refreshTimeoutID: number | undefined;\n\n  constructor(\n    private _renderCallback: (start: number, end: number) => void,\n    private readonly _debounceThresholdMS = RENDER_DEBOUNCE_THRESHOLD_MS\n  ) {\n  }\n\n  public dispose(): void {\n    if (this._refreshTimeoutID) {\n      clearTimeout(this._refreshTimeoutID);\n    }\n  }\n\n  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {\n    this._rowCount = rowCount;\n    // Get the min/max row start/end for the arg values\n    rowStart = rowStart !== undefined ? rowStart : 0;\n    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;\n    // Set the properties to the updated values\n    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;\n    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n    // Only refresh if the time since last refresh is above a threshold, otherwise wait for\n    // enough time to pass before refreshing again.\n    const refreshRequestTime: number = Date.now();\n    if (refreshRequestTime - this._lastRefreshMs >= this._debounceThresholdMS) {\n      // Enough time has lapsed since the last refresh; refresh immediately\n      this._lastRefreshMs = refreshRequestTime;\n      this._innerRefresh();\n    } else if (!this._additionalRefreshRequested) {\n      // This is the first additional request throttled; set up trailing refresh\n      const elapsed = refreshRequestTime - this._lastRefreshMs;\n      const waitPeriodBeforeTrailingRefresh = this._debounceThresholdMS - elapsed;\n      this._additionalRefreshRequested = true;\n\n      this._refreshTimeoutID = window.setTimeout(() => {\n        this._lastRefreshMs = Date.now();\n        this._innerRefresh();\n        this._additionalRefreshRequested = false;\n        this._refreshTimeoutID = undefined; // No longer need to clear the timeout\n      }, waitPeriodBeforeTrailingRefresh);\n    }\n  }\n\n  private _innerRefresh(): void {\n    // Make sure values are set\n    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {\n      return;\n    }\n\n    // Clamp values\n    const start = Math.max(this._rowStart, 0);\n    const end = Math.min(this._rowEnd, this._rowCount - 1);\n\n    // Reset debouncer (this happens before render callback as the render could trigger it again)\n    this._rowStart = undefined;\n    this._rowEnd = undefined;\n\n    // Run render callback\n    this._renderCallback(start, end);\n  }\n}\n\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IViewport, ReadonlyColorSet } from 'browser/Types';\nimport { IRenderDimensions } from 'browser/renderer/shared/Types';\nimport { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IBuffer } from 'common/buffer/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nconst FALLBACK_SCROLL_BAR_WIDTH = 15;\n\ninterface ISmoothScrollState {\n  startTime: number;\n  origin: number;\n  target: number;\n}\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport extends Disposable implements IViewport {\n  public scrollBarWidth: number = 0;\n  private _currentRowHeight: number = 0;\n  private _currentDeviceCellHeight: number = 0;\n  private _lastRecordedBufferLength: number = 0;\n  private _lastRecordedViewportHeight: number = 0;\n  private _lastRecordedBufferHeight: number = 0;\n  private _lastTouchY: number = 0;\n  private _lastScrollTop: number = 0;\n  private _activeBuffer: IBuffer;\n  private _renderDimensions: IRenderDimensions;\n\n  // Stores a partial line amount when scrolling, this is used to keep track of how much of a line\n  // is scrolled so we can \"scroll\" over partial lines and feel natural on touchpads. This is a\n  // quick fix and could have a more robust solution in place that reset the value when needed.\n  private _wheelPartialScroll: number = 0;\n\n  private _refreshAnimationFrame: number | null = null;\n  private _ignoreNextScrollEvent: boolean = false;\n  private _smoothScrollState: ISmoothScrollState = {\n    startTime: 0,\n    origin: -1,\n    target: -1\n  };\n\n  private readonly _onRequestScrollLines = this.register(new EventEmitter<{ amount: number, suppressScrollEvent: boolean }>());\n  public readonly onRequestScrollLines = this._onRequestScrollLines.event;\n\n  constructor(\n    private readonly _viewportElement: HTMLElement,\n    private readonly _scrollArea: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @IThemeService themeService: IThemeService\n  ) {\n    super();\n\n    // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.\n    // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that\n    // case, therefore we account for a standard amount to make it visible\n    this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;\n    this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._handleScroll.bind(this)));\n\n    // Track properties used in performance critical code manually to avoid using slow getters\n    this._activeBuffer = this._bufferService.buffer;\n    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));\n    this._renderDimensions = this._renderService.dimensions;\n    this.register(this._renderService.onDimensionsChange(e => this._renderDimensions = e));\n\n    this._handleThemeChange(themeService.colors);\n    this.register(themeService.onChangeColors(e => this._handleThemeChange(e)));\n    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.syncScrollArea()));\n\n    // Perform this async to ensure the ICharSizeService is ready.\n    setTimeout(() => this.syncScrollArea());\n  }\n\n  private _handleThemeChange(colors: ReadonlyColorSet): void {\n    this._viewportElement.style.backgroundColor = colors.background.css;\n  }\n\n  public reset(): void {\n    this._currentRowHeight = 0;\n    this._currentDeviceCellHeight = 0;\n    this._lastRecordedBufferLength = 0;\n    this._lastRecordedViewportHeight = 0;\n    this._lastRecordedBufferHeight = 0;\n    this._lastTouchY = 0;\n    this._lastScrollTop = 0;\n    // Sync on next animation frame to ensure the new terminal state is used\n    this._coreBrowserService.window.requestAnimationFrame(() => this.syncScrollArea());\n  }\n\n  /**\n   * Refreshes row height, setting line-height, viewport height and scroll area height if\n   * necessary.\n   */\n  private _refresh(immediate: boolean): void {\n    if (immediate) {\n      this._innerRefresh();\n      if (this._refreshAnimationFrame !== null) {\n        this._coreBrowserService.window.cancelAnimationFrame(this._refreshAnimationFrame);\n      }\n      return;\n    }\n    if (this._refreshAnimationFrame === null) {\n      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());\n    }\n  }\n\n  private _innerRefresh(): void {\n    if (this._charSizeService.height > 0) {\n      this._currentRowHeight = this._renderService.dimensions.device.cell.height / this._coreBrowserService.dpr;\n      this._currentDeviceCellHeight = this._renderService.dimensions.device.cell.height;\n      this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;\n      const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._renderService.dimensions.css.canvas.height);\n      if (this._lastRecordedBufferHeight !== newBufferHeight) {\n        this._lastRecordedBufferHeight = newBufferHeight;\n        this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';\n      }\n    }\n\n    // Sync scrollTop\n    const scrollTop = this._bufferService.buffer.ydisp * this._currentRowHeight;\n    if (this._viewportElement.scrollTop !== scrollTop) {\n      // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not\n      // want this event to scroll the terminal\n      this._ignoreNextScrollEvent = true;\n      this._viewportElement.scrollTop = scrollTop;\n    }\n\n    this._refreshAnimationFrame = null;\n  }\n\n  /**\n   * Updates dimensions and synchronizes the scroll area if necessary.\n   */\n  public syncScrollArea(immediate: boolean = false): void {\n    // If buffer height changed\n    if (this._lastRecordedBufferLength !== this._bufferService.buffer.lines.length) {\n      this._lastRecordedBufferLength = this._bufferService.buffer.lines.length;\n      this._refresh(immediate);\n      return;\n    }\n\n    // If viewport height changed\n    if (this._lastRecordedViewportHeight !== this._renderService.dimensions.css.canvas.height) {\n      this._refresh(immediate);\n      return;\n    }\n\n    // If the buffer position doesn't match last scroll top\n    if (this._lastScrollTop !== this._activeBuffer.ydisp * this._currentRowHeight) {\n      this._refresh(immediate);\n      return;\n    }\n\n    // If row height changed\n    if (this._renderDimensions.device.cell.height !== this._currentDeviceCellHeight) {\n      this._refresh(immediate);\n      return;\n    }\n  }\n\n  /**\n   * Handles scroll events on the viewport, calculating the new viewport and requesting the\n   * terminal to scroll to it.\n   * @param ev The scroll event.\n   */\n  private _handleScroll(ev: Event): void {\n    // Record current scroll top position\n    this._lastScrollTop = this._viewportElement.scrollTop;\n\n    // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt\n    // which causes the terminal to scroll the buffer to the top\n    if (!this._viewportElement.offsetParent) {\n      return;\n    }\n\n    // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)\n    if (this._ignoreNextScrollEvent) {\n      this._ignoreNextScrollEvent = false;\n      // Still trigger the scroll so lines get refreshed\n      this._onRequestScrollLines.fire({ amount: 0, suppressScrollEvent: true });\n      return;\n    }\n\n    const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);\n    const diff = newRow - this._bufferService.buffer.ydisp;\n    this._onRequestScrollLines.fire({ amount: diff, suppressScrollEvent: true });\n  }\n\n  private _smoothScroll(): void {\n    // Check valid state\n    if (this._isDisposed || this._smoothScrollState.origin === -1 || this._smoothScrollState.target === -1) {\n      return;\n    }\n\n    // Calculate position complete\n    const percent = this._smoothScrollPercent();\n    this._viewportElement.scrollTop = this._smoothScrollState.origin + Math.round(percent * (this._smoothScrollState.target - this._smoothScrollState.origin));\n\n    // Continue or finish smooth scroll\n    if (percent < 1) {\n      this._coreBrowserService.window.requestAnimationFrame(() => this._smoothScroll());\n    } else {\n      this._clearSmoothScrollState();\n    }\n  }\n\n  private _smoothScrollPercent(): number {\n    if (!this._optionsService.rawOptions.smoothScrollDuration || !this._smoothScrollState.startTime) {\n      return 1;\n    }\n    return Math.max(Math.min((Date.now() - this._smoothScrollState.startTime) / this._optionsService.rawOptions.smoothScrollDuration, 1), 0);\n  }\n\n  private _clearSmoothScrollState(): void {\n    this._smoothScrollState.startTime = 0;\n    this._smoothScrollState.origin = -1;\n    this._smoothScrollState.target = -1;\n  }\n\n  /**\n   * Handles bubbling of scroll event in case the viewport has reached top or bottom\n   * @param ev The scroll event.\n   * @param amount The amount scrolled\n   */\n  private _bubbleScroll(ev: Event, amount: number): boolean {\n    const scrollPosFromTop = this._viewportElement.scrollTop + this._lastRecordedViewportHeight;\n    if ((amount < 0 && this._viewportElement.scrollTop !== 0) ||\n      (amount > 0 && scrollPosFromTop < this._lastRecordedBufferHeight)) {\n      if (ev.cancelable) {\n        ev.preventDefault();\n      }\n      return false;\n    }\n    return true;\n  }\n\n  /**\n   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n   * `Viewport`.\n   * @param ev The mouse wheel event.\n   */\n  public handleWheel(ev: WheelEvent): boolean {\n    const amount = this._getPixelsScrolled(ev);\n    if (amount === 0) {\n      return false;\n    }\n    if (!this._optionsService.rawOptions.smoothScrollDuration) {\n      this._viewportElement.scrollTop += amount;\n    } else {\n      this._smoothScrollState.startTime = Date.now();\n      if (this._smoothScrollPercent() < 1) {\n        this._smoothScrollState.origin = this._viewportElement.scrollTop;\n        if (this._smoothScrollState.target === -1) {\n          this._smoothScrollState.target = this._viewportElement.scrollTop + amount;\n        } else {\n          this._smoothScrollState.target += amount;\n        }\n        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);\n        this._smoothScroll();\n      } else {\n        this._clearSmoothScrollState();\n      }\n    }\n    return this._bubbleScroll(ev, amount);\n  }\n\n  public scrollLines(disp: number): void {\n    if (disp === 0) {\n      return;\n    }\n    if (!this._optionsService.rawOptions.smoothScrollDuration) {\n      this._onRequestScrollLines.fire({ amount: disp, suppressScrollEvent: false });\n    } else {\n      const amount = disp * this._currentRowHeight;\n      this._smoothScrollState.startTime = Date.now();\n      if (this._smoothScrollPercent() < 1) {\n        this._smoothScrollState.origin = this._viewportElement.scrollTop;\n        this._smoothScrollState.target = this._smoothScrollState.origin + amount;\n        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);\n        this._smoothScroll();\n      } else {\n        this._clearSmoothScrollState();\n      }\n    }\n  }\n\n  private _getPixelsScrolled(ev: WheelEvent): number {\n    // Do nothing if it's not a vertical scroll event\n    if (ev.deltaY === 0 || ev.shiftKey) {\n      return 0;\n    }\n\n    // Fallback to WheelEvent.DOM_DELTA_PIXEL\n    let amount = this._applyScrollModifier(ev.deltaY, ev);\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n      amount *= this._currentRowHeight;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      amount *= this._currentRowHeight * this._bufferService.rows;\n    }\n    return amount;\n  }\n\n\n  public getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement } {\n    let currentLine: string = '';\n    let cursorElement: HTMLElement | undefined;\n    const bufferElements: HTMLElement[] = [];\n    const end = endLine ?? this._bufferService.buffer.lines.length;\n    const lines = this._bufferService.buffer.lines;\n    for (let i = startLine; i < end; i++) {\n      const line = lines.get(i);\n      if (!line) {\n        continue;\n      }\n      const isWrapped = lines.get(i + 1)?.isWrapped;\n      currentLine += line.translateToString(!isWrapped);\n      if (!isWrapped || i === lines.length - 1) {\n        const div = document.createElement('div');\n        div.textContent = currentLine;\n        bufferElements.push(div);\n        if (currentLine.length > 0) {\n          cursorElement = div;\n        }\n        currentLine = '';\n      }\n    }\n    return { bufferElements, cursorElement };\n  }\n\n  /**\n   * Gets the number of pixels scrolled by the mouse event taking into account what type of delta\n   * is being used.\n   * @param ev The mouse wheel event.\n   */\n  public getLinesScrolled(ev: WheelEvent): number {\n    // Do nothing if it's not a vertical scroll event\n    if (ev.deltaY === 0 || ev.shiftKey) {\n      return 0;\n    }\n\n    // Fallback to WheelEvent.DOM_DELTA_LINE\n    let amount = this._applyScrollModifier(ev.deltaY, ev);\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {\n      amount /= this._currentRowHeight + 0.0; // Prevent integer division\n      this._wheelPartialScroll += amount;\n      amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);\n      this._wheelPartialScroll %= 1;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      amount *= this._bufferService.rows;\n    }\n    return amount;\n  }\n\n  private _applyScrollModifier(amount: number, ev: WheelEvent): number {\n    const modifier = this._optionsService.rawOptions.fastScrollModifier;\n    // Multiply the scroll speed when the modifier is down\n    if ((modifier === 'alt' && ev.altKey) ||\n      (modifier === 'ctrl' && ev.ctrlKey) ||\n      (modifier === 'shift' && ev.shiftKey)) {\n      return amount * this._optionsService.rawOptions.fastScrollSensitivity * this._optionsService.rawOptions.scrollSensitivity;\n    }\n\n    return amount * this._optionsService.rawOptions.scrollSensitivity;\n  }\n\n  /**\n   * Handles the touchstart event, recording the touch occurred.\n   * @param ev The touch event.\n   */\n  public handleTouchStart(ev: TouchEvent): void {\n    this._lastTouchY = ev.touches[0].pageY;\n  }\n\n  /**\n   * Handles the touchmove event, scrolling the viewport if the position shifted.\n   * @param ev The touch event.\n   */\n  public handleTouchMove(ev: TouchEvent): boolean {\n    const deltaY = this._lastTouchY - ev.touches[0].pageY;\n    this._lastTouchY = ev.touches[0].pageY;\n    if (deltaY === 0) {\n      return false;\n    }\n    this._viewportElement.scrollTop += deltaY;\n    return this._bubbleScroll(ev, deltaY);\n  }\n}\n","/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IRenderService } from 'browser/services/Services';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IBufferService, IDecorationService, IInternalDecoration } from 'common/services/Services';\n\nexport class BufferDecorationRenderer extends Disposable {\n  private readonly _container: HTMLElement;\n  private readonly _decorationElements: Map<IInternalDecoration, HTMLElement> = new Map();\n\n  private _animationFrame: number | undefined;\n  private _altBufferIsActive: boolean = false;\n  private _dimensionsChanged: boolean = false;\n\n  constructor(\n    private readonly _screenElement: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IDecorationService private readonly _decorationService: IDecorationService,\n    @IRenderService private readonly _renderService: IRenderService\n  ) {\n    super();\n\n    this._container = document.createElement('div');\n    this._container.classList.add('xterm-decoration-container');\n    this._screenElement.appendChild(this._container);\n\n    this.register(this._renderService.onRenderedViewportChange(() => this._doRefreshDecorations()));\n    this.register(this._renderService.onDimensionsChange(() => {\n      this._dimensionsChanged = true;\n      this._queueRefresh();\n    }));\n    this.register(addDisposableDomListener(window, 'resize', () => this._queueRefresh()));\n    this.register(this._bufferService.buffers.onBufferActivate(() => {\n      this._altBufferIsActive = this._bufferService.buffer === this._bufferService.buffers.alt;\n    }));\n    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh()));\n    this.register(this._decorationService.onDecorationRemoved(decoration => this._removeDecoration(decoration)));\n    this.register(toDisposable(() => {\n      this._container.remove();\n      this._decorationElements.clear();\n    }));\n  }\n\n  private _queueRefresh(): void {\n    if (this._animationFrame !== undefined) {\n      return;\n    }\n    this._animationFrame = this._renderService.addRefreshCallback(() => {\n      this._doRefreshDecorations();\n      this._animationFrame = undefined;\n    });\n  }\n\n  private _doRefreshDecorations(): void {\n    for (const decoration of this._decorationService.decorations) {\n      this._renderDecoration(decoration);\n    }\n    this._dimensionsChanged = false;\n  }\n\n  private _renderDecoration(decoration: IInternalDecoration): void {\n    this._refreshStyle(decoration);\n    if (this._dimensionsChanged) {\n      this._refreshXPosition(decoration);\n    }\n  }\n\n  private _createElement(decoration: IInternalDecoration): HTMLElement {\n    const element = document.createElement('div');\n    element.classList.add('xterm-decoration');\n    element.classList.toggle('xterm-decoration-top-layer', decoration?.options?.layer === 'top');\n    element.style.width = `${Math.round((decoration.options.width || 1) * this._renderService.dimensions.css.cell.width)}px`;\n    element.style.height = `${(decoration.options.height || 1) * this._renderService.dimensions.css.cell.height}px`;\n    element.style.top = `${(decoration.marker.line - this._bufferService.buffers.active.ydisp) * this._renderService.dimensions.css.cell.height}px`;\n    element.style.lineHeight = `${this._renderService.dimensions.css.cell.height}px`;\n\n    const x = decoration.options.x ?? 0;\n    if (x && x > this._bufferService.cols) {\n      // exceeded the container width, so hide\n      element.style.display = 'none';\n    }\n    this._refreshXPosition(decoration, element);\n\n    return element;\n  }\n\n  private _refreshStyle(decoration: IInternalDecoration): void {\n    const line = decoration.marker.line - this._bufferService.buffers.active.ydisp;\n    if (line < 0 || line >= this._bufferService.rows) {\n      // outside of viewport\n      if (decoration.element) {\n        decoration.element.style.display = 'none';\n        decoration.onRenderEmitter.fire(decoration.element);\n      }\n    } else {\n      let element = this._decorationElements.get(decoration);\n      if (!element) {\n        element = this._createElement(decoration);\n        decoration.element = element;\n        this._decorationElements.set(decoration, element);\n        this._container.appendChild(element);\n        decoration.onDispose(() => {\n          this._decorationElements.delete(decoration);\n          element!.remove();\n        });\n      }\n      element.style.top = `${line * this._renderService.dimensions.css.cell.height}px`;\n      element.style.display = this._altBufferIsActive ? 'none' : 'block';\n      decoration.onRenderEmitter.fire(element);\n    }\n  }\n\n  private _refreshXPosition(decoration: IInternalDecoration, element: HTMLElement | undefined = decoration.element): void {\n    if (!element) {\n      return;\n    }\n    const x = decoration.options.x ?? 0;\n    if ((decoration.options.anchor || 'left') === 'right') {\n      element.style.right = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';\n    } else {\n      element.style.left = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';\n    }\n  }\n\n  private _removeDecoration(decoration: IInternalDecoration): void {\n    this._decorationElements.get(decoration)?.remove();\n    this._decorationElements.delete(decoration);\n    decoration.dispose();\n  }\n}\n","/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IInternalDecoration } from 'common/services/Services';\n\nexport interface IColorZoneStore {\n  readonly zones: IColorZone[];\n  clear(): void;\n  addDecoration(decoration: IInternalDecoration): void;\n  /**\n   * Sets the amount of padding in lines that will be added between zones, if new lines intersect\n   * the padding they will be merged into the same zone.\n   */\n  setPadding(padding: { [position: string]: number }): void;\n}\n\nexport interface IColorZone {\n  /** Color in a format supported by canvas' fillStyle. */\n  color: string;\n  position: 'full' | 'left' | 'center' | 'right' | undefined;\n  startBufferLine: number;\n  endBufferLine: number;\n}\n\ninterface IMinimalDecorationForColorZone {\n  marker: Pick<IInternalDecoration['marker'], 'line'>;\n  options: Pick<IInternalDecoration['options'], 'overviewRulerOptions'>;\n}\n\nexport class ColorZoneStore implements IColorZoneStore {\n  private _zones: IColorZone[] = [];\n\n  // The zone pool is used to keep zone objects from being freed between clearing the color zone\n  // store and fetching the zones. This helps reduce GC pressure since the color zones are\n  // accumulated on potentially every scroll event.\n  private _zonePool: IColorZone[] = [];\n  private _zonePoolIndex = 0;\n\n  private _linePadding: { [position: string]: number } = {\n    full: 0,\n    left: 0,\n    center: 0,\n    right: 0\n  };\n\n  public get zones(): IColorZone[] {\n    // Trim the zone pool to free unused memory\n    this._zonePool.length = Math.min(this._zonePool.length, this._zones.length);\n    return this._zones;\n  }\n\n  public clear(): void {\n    this._zones.length = 0;\n    this._zonePoolIndex = 0;\n  }\n\n  public addDecoration(decoration: IMinimalDecorationForColorZone): void {\n    if (!decoration.options.overviewRulerOptions) {\n      return;\n    }\n    for (const z of this._zones) {\n      if (z.color === decoration.options.overviewRulerOptions.color &&\n          z.position === decoration.options.overviewRulerOptions.position) {\n        if (this._lineIntersectsZone(z, decoration.marker.line)) {\n          return;\n        }\n        if (this._lineAdjacentToZone(z, decoration.marker.line, decoration.options.overviewRulerOptions.position)) {\n          this._addLineToZone(z, decoration.marker.line);\n          return;\n        }\n      }\n    }\n    // Create using zone pool if possible\n    if (this._zonePoolIndex < this._zonePool.length) {\n      this._zonePool[this._zonePoolIndex].color = decoration.options.overviewRulerOptions.color;\n      this._zonePool[this._zonePoolIndex].position = decoration.options.overviewRulerOptions.position;\n      this._zonePool[this._zonePoolIndex].startBufferLine = decoration.marker.line;\n      this._zonePool[this._zonePoolIndex].endBufferLine = decoration.marker.line;\n      this._zones.push(this._zonePool[this._zonePoolIndex++]);\n      return;\n    }\n    // Create\n    this._zones.push({\n      color: decoration.options.overviewRulerOptions.color,\n      position: decoration.options.overviewRulerOptions.position,\n      startBufferLine: decoration.marker.line,\n      endBufferLine: decoration.marker.line\n    });\n    this._zonePool.push(this._zones[this._zones.length - 1]);\n    this._zonePoolIndex++;\n  }\n\n  public setPadding(padding: { [position: string]: number }): void {\n    this._linePadding = padding;\n  }\n\n  private _lineIntersectsZone(zone: IColorZone, line: number): boolean {\n    return (\n      line >= zone.startBufferLine &&\n      line <= zone.endBufferLine\n    );\n  }\n\n  private _lineAdjacentToZone(zone: IColorZone, line: number, position: IColorZone['position']): boolean {\n    return (\n      (line >= zone.startBufferLine - this._linePadding[position || 'full']) &&\n      (line <= zone.endBufferLine + this._linePadding[position || 'full'])\n    );\n  }\n\n  private _addLineToZone(zone: IColorZone, line: number): void {\n    zone.startBufferLine = Math.min(zone.startBufferLine, line);\n    zone.endBufferLine = Math.max(zone.endBufferLine, line);\n  }\n}\n","/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations/ColorZoneStore';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { ICoreBrowserService, IRenderService } from 'browser/services/Services';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';\n\n// Helper objects to avoid excessive calculation and garbage collection during rendering. These are\n// static values for each render and can be accessed using the decoration position as the key.\nconst drawHeight = {\n  full: 0,\n  left: 0,\n  center: 0,\n  right: 0\n};\nconst drawWidth = {\n  full: 0,\n  left: 0,\n  center: 0,\n  right: 0\n};\nconst drawX = {\n  full: 0,\n  left: 0,\n  center: 0,\n  right: 0\n};\n\nexport class OverviewRulerRenderer extends Disposable {\n  private readonly _canvas: HTMLCanvasElement;\n  private readonly _ctx: CanvasRenderingContext2D;\n  private readonly _colorZoneStore: IColorZoneStore = new ColorZoneStore();\n  private get _width(): number {\n    return this._optionsService.options.overviewRulerWidth || 0;\n  }\n  private _animationFrame: number | undefined;\n\n  private _shouldUpdateDimensions: boolean | undefined = true;\n  private _shouldUpdateAnchor: boolean | undefined = true;\n  private _lastKnownBufferLength: number = 0;\n\n  private _containerHeight: number | undefined;\n\n  constructor(\n    private readonly _viewportElement: HTMLElement,\n    private readonly _screenElement: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IDecorationService private readonly _decorationService: IDecorationService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICoreBrowserService private readonly _coreBrowseService: ICoreBrowserService\n  ) {\n    super();\n    this._canvas = document.createElement('canvas');\n    this._canvas.classList.add('xterm-decoration-overview-ruler');\n    this._refreshCanvasDimensions();\n    this._viewportElement.parentElement?.insertBefore(this._canvas, this._viewportElement);\n    const ctx = this._canvas.getContext('2d');\n    if (!ctx) {\n      throw new Error('Ctx cannot be null');\n    } else {\n      this._ctx = ctx;\n    }\n    this._registerDecorationListeners();\n    this._registerBufferChangeListeners();\n    this._registerDimensionChangeListeners();\n    this.register(toDisposable(() => {\n      this._canvas?.remove();\n    }));\n  }\n\n  /**\n   * On decoration add or remove, redraw\n   */\n  private _registerDecorationListeners(): void {\n    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh(undefined, true)));\n    this.register(this._decorationService.onDecorationRemoved(() => this._queueRefresh(undefined, true)));\n  }\n\n  /**\n   * On buffer change, redraw\n   * and hide the canvas if the alt buffer is active\n   */\n  private _registerBufferChangeListeners(): void {\n    this.register(this._renderService.onRenderedViewportChange(() => this._queueRefresh()));\n    this.register(this._bufferService.buffers.onBufferActivate(() => {\n      this._canvas!.style.display = this._bufferService.buffer === this._bufferService.buffers.alt ? 'none' : 'block';\n    }));\n    this.register(this._bufferService.onScroll(() => {\n      if (this._lastKnownBufferLength !== this._bufferService.buffers.normal.lines.length) {\n        this._refreshDrawHeightConstants();\n        this._refreshColorZonePadding();\n      }\n    }));\n  }\n  /**\n   * On dimension change, update canvas dimensions\n   * and then redraw\n   */\n  private _registerDimensionChangeListeners(): void {\n    // container height changed\n    this.register(this._renderService.onRender((): void => {\n      if (!this._containerHeight || this._containerHeight !== this._screenElement.clientHeight) {\n        this._queueRefresh(true);\n        this._containerHeight = this._screenElement.clientHeight;\n      }\n    }));\n    // overview ruler width changed\n    this.register(this._optionsService.onSpecificOptionChange('overviewRulerWidth', () => this._queueRefresh(true)));\n    // device pixel ratio changed\n    this.register(addDisposableDomListener(this._coreBrowseService.window, 'resize', () => this._queueRefresh(true)));\n    // set the canvas dimensions\n    this._queueRefresh(true);\n  }\n\n  private _refreshDrawConstants(): void {\n    // width\n    const outerWidth = Math.floor(this._canvas.width / 3);\n    const innerWidth = Math.ceil(this._canvas.width / 3);\n    drawWidth.full = this._canvas.width;\n    drawWidth.left = outerWidth;\n    drawWidth.center = innerWidth;\n    drawWidth.right = outerWidth;\n    // height\n    this._refreshDrawHeightConstants();\n    // x\n    drawX.full = 0;\n    drawX.left = 0;\n    drawX.center = drawWidth.left;\n    drawX.right = drawWidth.left + drawWidth.center;\n  }\n\n  private _refreshDrawHeightConstants(): void {\n    drawHeight.full = Math.round(2 * this._coreBrowseService.dpr);\n    // Calculate actual pixels per line\n    const pixelsPerLine = this._canvas.height / this._bufferService.buffer.lines.length;\n    // Clamp actual pixels within a range\n    const nonFullHeight = Math.round(Math.max(Math.min(pixelsPerLine, 12), 6) * this._coreBrowseService.dpr);\n    drawHeight.left = nonFullHeight;\n    drawHeight.center = nonFullHeight;\n    drawHeight.right = nonFullHeight;\n  }\n\n  private _refreshColorZonePadding(): void {\n    this._colorZoneStore.setPadding({\n      full: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.full),\n      left: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.left),\n      center: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.center),\n      right: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.right)\n    });\n    this._lastKnownBufferLength = this._bufferService.buffers.normal.lines.length;\n  }\n\n  private _refreshCanvasDimensions(): void {\n    this._canvas.style.width = `${this._width}px`;\n    this._canvas.width = Math.round(this._width * this._coreBrowseService.dpr);\n    this._canvas.style.height = `${this._screenElement.clientHeight}px`;\n    this._canvas.height = Math.round(this._screenElement.clientHeight * this._coreBrowseService.dpr);\n    this._refreshDrawConstants();\n    this._refreshColorZonePadding();\n  }\n\n  private _refreshDecorations(): void {\n    if (this._shouldUpdateDimensions) {\n      this._refreshCanvasDimensions();\n    }\n    this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);\n    this._colorZoneStore.clear();\n    for (const decoration of this._decorationService.decorations) {\n      this._colorZoneStore.addDecoration(decoration);\n    }\n    this._ctx.lineWidth = 1;\n    const zones = this._colorZoneStore.zones;\n    for (const zone of zones) {\n      if (zone.position !== 'full') {\n        this._renderColorZone(zone);\n      }\n    }\n    for (const zone of zones) {\n      if (zone.position === 'full') {\n        this._renderColorZone(zone);\n      }\n    }\n    this._shouldUpdateDimensions = false;\n    this._shouldUpdateAnchor = false;\n  }\n\n  private _renderColorZone(zone: IColorZone): void {\n    this._ctx.fillStyle = zone.color;\n    this._ctx.fillRect(\n      /* x */ drawX[zone.position || 'full'],\n      /* y */ Math.round(\n        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line\n        (zone.startBufferLine / this._bufferService.buffers.active.lines.length) - drawHeight[zone.position || 'full'] / 2\n      ),\n      /* w */ drawWidth[zone.position || 'full'],\n      /* h */ Math.round(\n        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line\n        ((zone.endBufferLine - zone.startBufferLine) / this._bufferService.buffers.active.lines.length) + drawHeight[zone.position || 'full']\n      )\n    );\n  }\n\n  private _queueRefresh(updateCanvasDimensions?: boolean, updateAnchor?: boolean): void {\n    this._shouldUpdateDimensions = updateCanvasDimensions || this._shouldUpdateDimensions;\n    this._shouldUpdateAnchor = updateAnchor || this._shouldUpdateAnchor;\n    if (this._animationFrame !== undefined) {\n      return;\n    }\n    this._animationFrame = this._coreBrowseService.window.requestAnimationFrame(() => {\n      this._refreshDecorations();\n      this._animationFrame = undefined;\n    });\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderService } from 'browser/services/Services';\nimport { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';\nimport { C0 } from 'common/data/EscapeSequences';\n\ninterface IPosition {\n  start: number;\n  end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n  /**\n   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n   * IME. This variable determines whether the compositionText should be displayed on the UI.\n   */\n  private _isComposing: boolean;\n  public get isComposing(): boolean { return this._isComposing; }\n\n  /**\n   * The position within the input textarea's value of the current composition.\n   */\n  private _compositionPosition: IPosition;\n\n  /**\n   * Whether a composition is in the process of being sent, setting this to false will cancel any\n   * in-progress composition.\n   */\n  private _isSendingComposition: boolean;\n\n  /**\n   * Data already sent due to keydown event.\n   */\n  private _dataAlreadySent: string;\n\n  constructor(\n    private readonly _textarea: HTMLTextAreaElement,\n    private readonly _compositionView: HTMLElement,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICoreService private readonly _coreService: ICoreService,\n    @IRenderService private readonly _renderService: IRenderService\n  ) {\n    this._isComposing = false;\n    this._isSendingComposition = false;\n    this._compositionPosition = { start: 0, end: 0 };\n    this._dataAlreadySent = '';\n  }\n\n  /**\n   * Handles the compositionstart event, activating the composition view.\n   */\n  public compositionstart(): void {\n    this._isComposing = true;\n    this._compositionPosition.start = this._textarea.value.length;\n    this._compositionView.textContent = '';\n    this._dataAlreadySent = '';\n    this._compositionView.classList.add('active');\n  }\n\n  /**\n   * Handles the compositionupdate event, updating the composition view.\n   * @param ev The event.\n   */\n  public compositionupdate(ev: Pick<CompositionEvent, 'data'>): void {\n    this._compositionView.textContent = ev.data;\n    this.updateCompositionElements();\n    setTimeout(() => {\n      this._compositionPosition.end = this._textarea.value.length;\n    }, 0);\n  }\n\n  /**\n   * Handles the compositionend event, hiding the composition view and sending the composition to\n   * the handler.\n   */\n  public compositionend(): void {\n    this._finalizeComposition(true);\n  }\n\n  /**\n   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n   * @param ev The keydown event.\n   * @returns Whether the Terminal should continue processing the keydown event.\n   */\n  public keydown(ev: KeyboardEvent): boolean {\n    if (this._isComposing || this._isSendingComposition) {\n      if (ev.keyCode === 229) {\n        // Continue composing if the keyCode is the \"composition character\"\n        return false;\n      }\n      if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n        // Continue composing if the keyCode is a modifier key\n        return false;\n      }\n      // Finish composition immediately. This is mainly here for the case where enter is\n      // pressed and the handler needs to be triggered before the command is executed.\n      this._finalizeComposition(false);\n    }\n\n    if (ev.keyCode === 229) {\n      // If the \"composition character\" is used but gets to this point it means a non-composition\n      // character (eg. numbers and punctuation) was pressed when the IME was active.\n      this._handleAnyTextareaChanges();\n      return false;\n    }\n\n    return true;\n  }\n\n  /**\n   * Finalizes the composition, resuming regular input actions. This is called when a composition\n   * is ending.\n   * @param waitForPropagation Whether to wait for events to propagate before sending\n   *   the input. This should be false if a non-composition keystroke is entered before the\n   *   compositionend event is triggered, such as enter, so that the composition is sent before\n   *   the command is executed.\n   */\n  private _finalizeComposition(waitForPropagation: boolean): void {\n    this._compositionView.classList.remove('active');\n    this._isComposing = false;\n\n    if (!waitForPropagation) {\n      // Cancel any delayed composition send requests and send the input immediately.\n      this._isSendingComposition = false;\n      const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);\n      this._coreService.triggerDataEvent(input, true);\n    } else {\n      // Make a deep copy of the composition position here as a new compositionstart event may\n      // fire before the setTimeout executes.\n      const currentCompositionPosition = {\n        start: this._compositionPosition.start,\n        end: this._compositionPosition.end\n      };\n\n      // Since composition* events happen before the changes take place in the textarea on most\n      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n      // complete. This ensures the correct character is retrieved.\n      // This solution was used because:\n      // - The compositionend event's data property is unreliable, at least on Chromium\n      // - The last compositionupdate event's data property does not always accurately describe\n      //   the character, a counter example being Korean where an ending consonsant can move to\n      //   the following character if the following input is a vowel.\n      this._isSendingComposition = true;\n      setTimeout(() => {\n        // Ensure that the input has not already been sent\n        if (this._isSendingComposition) {\n          this._isSendingComposition = false;\n          let input;\n          // Add length of data already sent due to keydown event,\n          // otherwise input characters can be duplicated. (Issue #3191)\n          currentCompositionPosition.start += this._dataAlreadySent.length;\n          if (this._isComposing) {\n            // Use the end position to get the string if a new composition has started.\n            input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n          } else {\n            // Don't use the end position here in order to pick up any characters after the\n            // composition has finished, for example when typing a non-composition character\n            // (eg. 2) after a composition character.\n            input = this._textarea.value.substring(currentCompositionPosition.start);\n          }\n          if (input.length > 0) {\n            this._coreService.triggerDataEvent(input, true);\n          }\n        }\n      }, 0);\n    }\n  }\n\n  /**\n   * Apply any changes made to the textarea after the current event chain is allowed to complete.\n   * This should be called when not currently composing but a keydown event with the \"composition\n   * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n   * IME is active.\n   */\n  private _handleAnyTextareaChanges(): void {\n    const oldValue = this._textarea.value;\n    setTimeout(() => {\n      // Ignore if a composition has started since the timeout\n      if (!this._isComposing) {\n        const newValue = this._textarea.value;\n\n        const diff = newValue.replace(oldValue, '');\n\n        this._dataAlreadySent = diff;\n\n        if (newValue.length > oldValue.length) {\n          this._coreService.triggerDataEvent(diff, true);\n        } else if (newValue.length < oldValue.length) {\n          this._coreService.triggerDataEvent(`${C0.DEL}`, true);\n        } else if ((newValue.length === oldValue.length) && (newValue !== oldValue)) {\n          this._coreService.triggerDataEvent(newValue, true);\n        }\n\n      }\n    }, 0);\n  }\n\n  /**\n   * Positions the composition view on top of the cursor and the textarea just below it (so the\n   * IME helper dialog is positioned correctly).\n   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n   *   necessary as the IME events across browsers are not consistently triggered.\n   */\n  public updateCompositionElements(dontRecurse?: boolean): void {\n    if (!this._isComposing) {\n      return;\n    }\n\n    if (this._bufferService.buffer.isCursorInViewport) {\n      const cursorX = Math.min(this._bufferService.buffer.x, this._bufferService.cols - 1);\n\n      const cellHeight = this._renderService.dimensions.css.cell.height;\n      const cursorTop = this._bufferService.buffer.y * this._renderService.dimensions.css.cell.height;\n      const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;\n\n      this._compositionView.style.left = cursorLeft + 'px';\n      this._compositionView.style.top = cursorTop + 'px';\n      this._compositionView.style.height = cellHeight + 'px';\n      this._compositionView.style.lineHeight = cellHeight + 'px';\n      this._compositionView.style.fontFamily = this._optionsService.rawOptions.fontFamily;\n      this._compositionView.style.fontSize = this._optionsService.rawOptions.fontSize + 'px';\n      // Sync the textarea to the exact position of the composition view so the IME knows where the\n      // text is.\n      const compositionViewBounds = this._compositionView.getBoundingClientRect();\n      this._textarea.style.left = cursorLeft + 'px';\n      this._textarea.style.top = cursorTop + 'px';\n      // Ensure the text area is at least 1x1, otherwise certain IMEs may break\n      this._textarea.style.width = Math.max(compositionViewBounds.width, 1) + 'px';\n      this._textarea.style.height = Math.max(compositionViewBounds.height, 1) + 'px';\n      this._textarea.style.lineHeight = compositionViewBounds.height + 'px';\n    }\n\n    if (!dontRecurse) {\n      setTimeout(() => this.updateCompositionElements(true), 0);\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport function getCoordsRelativeToElement(window: Pick<Window, 'getComputedStyle'>, event: {clientX: number, clientY: number}, element: HTMLElement): [number, number] {\n  const rect = element.getBoundingClientRect();\n  const elementStyle = window.getComputedStyle(element);\n  const leftPadding = parseInt(elementStyle.getPropertyValue('padding-left'));\n  const topPadding = parseInt(elementStyle.getPropertyValue('padding-top'));\n  return [\n    event.clientX - rect.left - leftPadding,\n    event.clientY - rect.top - topPadding\n  ];\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param window The window object the element belongs to.\n * @param event The mouse event.\n * @param element The terminal's container element.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param hasValidCharSize Whether there is a valid character size available.\n * @param cssCellWidth The cell width device pixel render dimensions.\n * @param cssCellHeight The cell height device pixel render dimensions.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\nexport function getCoords(window: Pick<Window, 'getComputedStyle'>, event: Pick<MouseEvent, 'clientX' | 'clientY'>, element: HTMLElement, colCount: number, rowCount: number, hasValidCharSize: boolean, cssCellWidth: number, cssCellHeight: number, isSelection?: boolean): [number, number] | undefined {\n  // Coordinates cannot be measured if there are no valid\n  if (!hasValidCharSize) {\n    return undefined;\n  }\n\n  const coords = getCoordsRelativeToElement(window, event, element);\n  if (!coords) {\n    return undefined;\n  }\n\n  coords[0] = Math.ceil((coords[0] + (isSelection ? cssCellWidth / 2 : 0)) / cssCellWidth);\n  coords[1] = Math.ceil(coords[1] / cssCellHeight);\n\n  // Ensure coordinates are within the terminal viewport. Note that selections\n  // need an addition point of precision to cover the end point (as characters\n  // cover half of one char and half of the next).\n  coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));\n  coords[1] = Math.min(Math.max(coords[1], 1), rowCount);\n\n  return coords;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { C0 } from 'common/data/EscapeSequences';\nimport { IBufferService } from 'common/services/Services';\n\nconst enum Direction {\n  UP = 'A',\n  DOWN = 'B',\n  RIGHT = 'C',\n  LEFT = 'D'\n}\n\n/**\n * Concatenates all the arrow sequences together.\n * Resets the starting row to an unwrapped row, moves to the requested row,\n * then moves to requested col.\n */\nexport function moveToCellSequence(targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  const startX = bufferService.buffer.x;\n  const startY = bufferService.buffer.y;\n\n  // The alt buffer should try to navigate between rows\n  if (!bufferService.buffer.hasScrollback) {\n    return resetStartingRow(startX, startY, targetX, targetY, bufferService, applicationCursor) +\n      moveToRequestedRow(startY, targetY, bufferService, applicationCursor) +\n      moveToRequestedCol(startX, startY, targetX, targetY, bufferService, applicationCursor);\n  }\n\n  // Only move horizontally for the normal buffer\n  let direction;\n  if (startY === targetY) {\n    direction = startX > targetX ? Direction.LEFT : Direction.RIGHT;\n    return repeat(Math.abs(startX - targetX), sequence(direction, applicationCursor));\n  }\n  direction = startY > targetY ? Direction.LEFT : Direction.RIGHT;\n  const rowDifference = Math.abs(startY - targetY);\n  const cellsToMove = colsFromRowEnd(startY > targetY ? targetX : startX, bufferService) +\n    (rowDifference - 1) * bufferService.cols + 1 /* wrap around 1 row */ +\n    colsFromRowBeginning(startY > targetY ? startX : targetX, bufferService);\n  return repeat(cellsToMove, sequence(direction, applicationCursor));\n}\n\n/**\n * Find the number of cols from a row beginning to a col.\n */\nfunction colsFromRowBeginning(currX: number, bufferService: IBufferService): number {\n  return currX - 1;\n}\n\n/**\n * Find the number of cols from a col to row end.\n */\nfunction colsFromRowEnd(currX: number, bufferService: IBufferService): number {\n  return bufferService.cols - currX;\n}\n\n/**\n * If the initial position of the cursor is on a row that is wrapped, move the\n * cursor up to the first row that is not wrapped to have accurate vertical\n * positioning.\n */\nfunction resetStartingRow(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length === 0) {\n    return '';\n  }\n  return repeat(bufferLine(\n    startX, startY, startX,\n    startY - wrappedRowsForRow(startY, bufferService), false, bufferService\n  ).length, sequence(Direction.LEFT, applicationCursor));\n}\n\n/**\n * Using the reset starting and ending row, move to the requested row,\n * ignoring wrapped rows\n */\nfunction moveToRequestedRow(startY: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  const startRow = startY - wrappedRowsForRow(startY, bufferService);\n  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);\n\n  const rowsToMove = Math.abs(startRow - endRow) - wrappedRowsCount(startY, targetY, bufferService);\n\n  return repeat(rowsToMove, sequence(verticalDirection(startY, targetY), applicationCursor));\n}\n\n/**\n * Move to the requested col on the ending row\n */\nfunction moveToRequestedCol(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n  let startRow;\n  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length > 0) {\n    startRow = targetY - wrappedRowsForRow(targetY, bufferService);\n  } else {\n    startRow = startY;\n  }\n\n  const endRow = targetY;\n  const direction = horizontalDirection(startX, startY, targetX, targetY, bufferService, applicationCursor);\n\n  return repeat(bufferLine(\n    startX, startRow, targetX, endRow,\n    direction === Direction.RIGHT, bufferService\n  ).length, sequence(direction, applicationCursor));\n}\n\n/**\n * Utility functions\n */\n\n/**\n * Calculates the number of wrapped rows between the unwrapped starting and\n * ending rows. These rows need to ignored since the cursor skips over them.\n */\nfunction wrappedRowsCount(startY: number, targetY: number, bufferService: IBufferService): number {\n  let wrappedRows = 0;\n  const startRow = startY - wrappedRowsForRow(startY, bufferService);\n  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);\n\n  for (let i = 0; i < Math.abs(startRow - endRow); i++) {\n    const direction = verticalDirection(startY, targetY) === Direction.UP ? -1 : 1;\n    const line = bufferService.buffer.lines.get(startRow + (direction * i));\n    if (line?.isWrapped) {\n      wrappedRows++;\n    }\n  }\n\n  return wrappedRows;\n}\n\n/**\n * Calculates the number of wrapped rows that make up a given row.\n * @param currentRow The row to determine how many wrapped rows make it up\n */\nfunction wrappedRowsForRow(currentRow: number, bufferService: IBufferService): number {\n  let rowCount = 0;\n  let line = bufferService.buffer.lines.get(currentRow);\n  let lineWraps = line?.isWrapped;\n\n  while (lineWraps && currentRow >= 0 && currentRow < bufferService.rows) {\n    rowCount++;\n    line = bufferService.buffer.lines.get(--currentRow);\n    lineWraps = line?.isWrapped;\n  }\n\n  return rowCount;\n}\n\n/**\n * Direction determiners\n */\n\n/**\n * Determines if the right or left arrow is needed\n */\nfunction horizontalDirection(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): Direction {\n  let startRow;\n  if (moveToRequestedRow(targetX, targetY, bufferService, applicationCursor).length > 0) {\n    startRow = targetY - wrappedRowsForRow(targetY, bufferService);\n  } else {\n    startRow = startY;\n  }\n\n  if ((startX < targetX &&\n    startRow <= targetY) || // down/right or same y/right\n    (startX >= targetX &&\n    startRow < targetY)) {  // down/left or same y/left\n    return Direction.RIGHT;\n  }\n  return Direction.LEFT;\n}\n\n/**\n * Determines if the up or down arrow is needed\n */\nfunction verticalDirection(startY: number, targetY: number): Direction {\n  return startY > targetY ? Direction.UP : Direction.DOWN;\n}\n\n/**\n * Constructs the string of chars in the buffer from a starting row and col\n * to an ending row and col\n * @param startCol The starting column position\n * @param startRow The starting row position\n * @param endCol The ending column position\n * @param endRow The ending row position\n * @param forward Direction to move\n */\nfunction bufferLine(\n  startCol: number,\n  startRow: number,\n  endCol: number,\n  endRow: number,\n  forward: boolean,\n  bufferService: IBufferService\n): string {\n  let currentCol = startCol;\n  let currentRow = startRow;\n  let bufferStr = '';\n\n  while (currentCol !== endCol || currentRow !== endRow) {\n    currentCol += forward ? 1 : -1;\n\n    if (forward && currentCol > bufferService.cols - 1) {\n      bufferStr += bufferService.buffer.translateBufferLineToString(\n        currentRow, false, startCol, currentCol\n      );\n      currentCol = 0;\n      startCol = 0;\n      currentRow++;\n    } else if (!forward && currentCol < 0) {\n      bufferStr += bufferService.buffer.translateBufferLineToString(\n        currentRow, false, 0, startCol + 1\n      );\n      currentCol = bufferService.cols - 1;\n      startCol = currentCol;\n      currentRow--;\n    }\n  }\n\n  return bufferStr + bufferService.buffer.translateBufferLineToString(\n    currentRow, false, startCol, currentCol\n  );\n}\n\n/**\n * Constructs the escape sequence for clicking an arrow\n * @param direction The direction to move\n */\nfunction sequence(direction: Direction, applicationCursor: boolean): string {\n  const mod =  applicationCursor ? 'O' : '[';\n  return C0.ESC + mod + direction;\n}\n\n/**\n * Returns a string repeated a given number of times\n * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat\n * @param count The number of times to repeat the string\n * @param str The string that is to be repeated\n */\nfunction repeat(count: number, str: string): string {\n  count = Math.floor(count);\n  let rpt = '';\n  for (let i = 0; i < count; i++) {\n    rpt += str;\n  }\n  return rpt;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DomRendererRowFactory, RowCss } from 'browser/renderer/dom/DomRendererRowFactory';\nimport { WidthCache } from 'browser/renderer/dom/WidthCache';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';\nimport { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';\nimport { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/shared/Types';\nimport { ICharSizeService, ICoreBrowserService, IThemeService } from 'browser/services/Services';\nimport { ILinkifier2, ILinkifierEvent, ReadonlyColorSet } from 'browser/Types';\nimport { color } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IBufferService, IInstantiationService, IOptionsService } from 'common/services/Services';\n\n\nconst TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';\nconst ROW_CONTAINER_CLASS = 'xterm-rows';\nconst FG_CLASS_PREFIX = 'xterm-fg-';\nconst BG_CLASS_PREFIX = 'xterm-bg-';\nconst FOCUS_CLASS = 'xterm-focus';\nconst SELECTION_CLASS = 'xterm-selection';\n\nlet nextTerminalId = 1;\n\n\n/**\n * A fallback renderer for when canvas is slow. This is not meant to be\n * particularly fast or feature complete, more just stable and usable for when\n * canvas is not an option.\n */\nexport class DomRenderer extends Disposable implements IRenderer {\n  private _rowFactory: DomRendererRowFactory;\n  private _terminalClass: number = nextTerminalId++;\n\n  private _themeStyleElement!: HTMLStyleElement;\n  private _dimensionsStyleElement!: HTMLStyleElement;\n  private _rowContainer: HTMLElement;\n  private _rowElements: HTMLElement[] = [];\n  private _selectionContainer: HTMLElement;\n  private _widthCache: WidthCache;\n\n  public dimensions: IRenderDimensions;\n\n  public readonly onRequestRedraw = this.register(new EventEmitter<IRequestRedrawEvent>()).event;\n\n  constructor(\n    private readonly _element: HTMLElement,\n    private readonly _screenElement: HTMLElement,\n    private readonly _viewportElement: HTMLElement,\n    private readonly _linkifier2: ILinkifier2,\n    @IInstantiationService instantiationService: IInstantiationService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @IThemeService private readonly _themeService: IThemeService\n  ) {\n    super();\n    this._rowContainer = document.createElement('div');\n    this._rowContainer.classList.add(ROW_CONTAINER_CLASS);\n    this._rowContainer.style.lineHeight = 'normal';\n    this._rowContainer.setAttribute('aria-hidden', 'true');\n    this._refreshRowElements(this._bufferService.cols, this._bufferService.rows);\n    this._selectionContainer = document.createElement('div');\n    this._selectionContainer.classList.add(SELECTION_CLASS);\n    this._selectionContainer.setAttribute('aria-hidden', 'true');\n\n    this.dimensions = createRenderDimensions();\n    this._updateDimensions();\n    this.register(this._optionsService.onOptionChange(() => this._handleOptionsChanged()));\n\n    this.register(this._themeService.onChangeColors(e => this._injectCss(e)));\n    this._injectCss(this._themeService.colors);\n\n    this._rowFactory = instantiationService.createInstance(DomRendererRowFactory, document);\n\n    this._element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);\n    this._screenElement.appendChild(this._rowContainer);\n    this._screenElement.appendChild(this._selectionContainer);\n\n    this.register(this._linkifier2.onShowLinkUnderline(e => this._handleLinkHover(e)));\n    this.register(this._linkifier2.onHideLinkUnderline(e => this._handleLinkLeave(e)));\n\n    this.register(toDisposable(() => {\n      this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);\n\n      // Outside influences such as React unmounts may manipulate the DOM before our disposal.\n      // https://github.com/xtermjs/xterm.js/issues/2960\n      this._rowContainer.remove();\n      this._selectionContainer.remove();\n      this._widthCache.dispose();\n      this._themeStyleElement.remove();\n      this._dimensionsStyleElement.remove();\n    }));\n\n    this._widthCache = new WidthCache(document);\n    this._widthCache.setFont(\n      this._optionsService.rawOptions.fontFamily,\n      this._optionsService.rawOptions.fontSize,\n      this._optionsService.rawOptions.fontWeight,\n      this._optionsService.rawOptions.fontWeightBold\n    );\n    this._setDefaultSpacing();\n  }\n\n  private _updateDimensions(): void {\n    const dpr = this._coreBrowserService.dpr;\n    this.dimensions.device.char.width = this._charSizeService.width * dpr;\n    this.dimensions.device.char.height = Math.ceil(this._charSizeService.height * dpr);\n    this.dimensions.device.cell.width = this.dimensions.device.char.width + Math.round(this._optionsService.rawOptions.letterSpacing);\n    this.dimensions.device.cell.height = Math.floor(this.dimensions.device.char.height * this._optionsService.rawOptions.lineHeight);\n    this.dimensions.device.char.left = 0;\n    this.dimensions.device.char.top = 0;\n    this.dimensions.device.canvas.width = this.dimensions.device.cell.width * this._bufferService.cols;\n    this.dimensions.device.canvas.height = this.dimensions.device.cell.height * this._bufferService.rows;\n    this.dimensions.css.canvas.width = Math.round(this.dimensions.device.canvas.width / dpr);\n    this.dimensions.css.canvas.height = Math.round(this.dimensions.device.canvas.height / dpr);\n    this.dimensions.css.cell.width = this.dimensions.css.canvas.width / this._bufferService.cols;\n    this.dimensions.css.cell.height = this.dimensions.css.canvas.height / this._bufferService.rows;\n\n    for (const element of this._rowElements) {\n      element.style.width = `${this.dimensions.css.canvas.width}px`;\n      element.style.height = `${this.dimensions.css.cell.height}px`;\n      element.style.lineHeight = `${this.dimensions.css.cell.height}px`;\n      // Make sure rows don't overflow onto following row\n      element.style.overflow = 'hidden';\n    }\n\n    if (!this._dimensionsStyleElement) {\n      this._dimensionsStyleElement = document.createElement('style');\n      this._screenElement.appendChild(this._dimensionsStyleElement);\n    }\n\n    const styles =\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +\n      ` display: inline-block;` +   // TODO: find workaround for inline-block (creates ~20% render penalty)\n      ` height: 100%;` +\n      ` vertical-align: top;` +\n      `}`;\n\n    this._dimensionsStyleElement.textContent = styles;\n\n    this._selectionContainer.style.height = this._viewportElement.style.height;\n    this._screenElement.style.width = `${this.dimensions.css.canvas.width}px`;\n    this._screenElement.style.height = `${this.dimensions.css.canvas.height}px`;\n  }\n\n  private _injectCss(colors: ReadonlyColorSet): void {\n    if (!this._themeStyleElement) {\n      this._themeStyleElement = document.createElement('style');\n      this._screenElement.appendChild(this._themeStyleElement);\n    }\n\n    // Base CSS\n    let styles =\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +\n      ` color: ${colors.foreground.css};` +\n      ` font-family: ${this._optionsService.rawOptions.fontFamily};` +\n      ` font-size: ${this._optionsService.rawOptions.fontSize}px;` +\n      ` font-kerning: none;` +\n      ` white-space: pre` +\n      `}`;\n    styles +=\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .xterm-dim {` +\n      ` color: ${color.multiplyOpacity(colors.foreground, 0.5).css};` +\n      `}`;\n    // Text styles\n    styles +=\n      `${this._terminalSelector} span:not(.${RowCss.BOLD_CLASS}) {` +\n      ` font-weight: ${this._optionsService.rawOptions.fontWeight};` +\n      `}` +\n      `${this._terminalSelector} span.${RowCss.BOLD_CLASS} {` +\n      ` font-weight: ${this._optionsService.rawOptions.fontWeightBold};` +\n      `}` +\n      `${this._terminalSelector} span.${RowCss.ITALIC_CLASS} {` +\n      ` font-style: italic;` +\n      `}`;\n    // Blink animation\n    styles +=\n      `@keyframes blink_box_shadow` + `_` + this._terminalClass + ` {` +\n      ` 50% {` +\n      `  border-bottom-style: hidden;` +\n      ` }` +\n      `}`;\n    styles +=\n      `@keyframes blink_block` + `_` + this._terminalClass + ` {` +\n      ` 0% {` +\n      `  background-color: ${colors.cursor.css};` +\n      `  color: ${colors.cursorAccent.css};` +\n      ` }` +\n      ` 50% {` +\n      `  background-color: inherit;` +\n      `  color: ${colors.cursor.css};` +\n      ` }` +\n      `}`;\n    // Cursor\n    styles +=\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}:not(.${RowCss.CURSOR_STYLE_BLOCK_CLASS}) {` +\n      ` animation: blink_box_shadow` + `_` + this._terminalClass + ` 1s step-end infinite;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +\n      ` animation: blink_block` + `_` + this._terminalClass + ` 1s step-end infinite;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +\n      ` background-color: ${colors.cursor.css};` +\n      ` color: ${colors.cursorAccent.css};` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_OUTLINE_CLASS} {` +\n      ` outline: 1px solid ${colors.cursor.css};` +\n      ` outline-offset: -1px;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BAR_CLASS} {` +\n      ` box-shadow: ${this._optionsService.rawOptions.cursorWidth}px 0 0 ${colors.cursor.css} inset;` +\n      `}` +\n      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_UNDERLINE_CLASS} {` +\n      ` border-bottom: 1px ${colors.cursor.css};` +\n      ` border-bottom-style: solid;` +\n      ` height: calc(100% - 1px);` +\n      `}`;\n    // Selection\n    styles +=\n      `${this._terminalSelector} .${SELECTION_CLASS} {` +\n      ` position: absolute;` +\n      ` top: 0;` +\n      ` left: 0;` +\n      ` z-index: 1;` +\n      ` pointer-events: none;` +\n      `}` +\n      `${this._terminalSelector}.focus .${SELECTION_CLASS} div {` +\n      ` position: absolute;` +\n      ` background-color: ${colors.selectionBackgroundOpaque.css};` +\n      `}` +\n      `${this._terminalSelector} .${SELECTION_CLASS} div {` +\n      ` position: absolute;` +\n      ` background-color: ${colors.selectionInactiveBackgroundOpaque.css};` +\n      `}`;\n    // Colors\n    for (const [i, c] of colors.ansi.entries()) {\n      styles +=\n        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +\n        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(c, 0.5).css}; }` +\n        `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;\n    }\n    styles +=\n      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${color.opaque(colors.background).css}; }` +\n      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(color.opaque(colors.background), 0.5).css}; }` +\n      `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${colors.foreground.css}; }`;\n\n    this._themeStyleElement.textContent = styles;\n  }\n\n  /**\n   * default letter spacing\n   * Due to rounding issues in dimensions dpr calc glyph might render\n   * slightly too wide or too narrow. The method corrects the stacking offsets\n   * by applying a default letter-spacing for all chars.\n   * The value gets passed to the row factory to avoid setting this value again\n   * (render speedup is roughly 10%).\n   */\n  private _setDefaultSpacing(): void {\n    // measure same char as in CharSizeService to get the base deviation\n    const spacing = this.dimensions.css.cell.width - this._widthCache.get('W', false, false);\n    this._rowContainer.style.letterSpacing = `${spacing}px`;\n    this._rowFactory.defaultSpacing = spacing;\n  }\n\n  public handleDevicePixelRatioChange(): void {\n    this._updateDimensions();\n    this._widthCache.clear();\n    this._setDefaultSpacing();\n  }\n\n  private _refreshRowElements(cols: number, rows: number): void {\n    // Add missing elements\n    for (let i = this._rowElements.length; i <= rows; i++) {\n      const row = document.createElement('div');\n      this._rowContainer.appendChild(row);\n      this._rowElements.push(row);\n    }\n    // Remove excess elements\n    while (this._rowElements.length > rows) {\n      this._rowContainer.removeChild(this._rowElements.pop()!);\n    }\n  }\n\n  public handleResize(cols: number, rows: number): void {\n    this._refreshRowElements(cols, rows);\n    this._updateDimensions();\n  }\n\n  public handleCharSizeChanged(): void {\n    this._updateDimensions();\n    this._widthCache.clear();\n    this._setDefaultSpacing();\n  }\n\n  public handleBlur(): void {\n    this._rowContainer.classList.remove(FOCUS_CLASS);\n  }\n\n  public handleFocus(): void {\n    this._rowContainer.classList.add(FOCUS_CLASS);\n    this.renderRows(this._bufferService.buffer.y, this._bufferService.buffer.y);\n  }\n\n  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {\n    // Remove all selections\n    this._selectionContainer.replaceChildren();\n    this._rowFactory.handleSelectionChanged(start, end, columnSelectMode);\n    this.renderRows(0, this._bufferService.rows - 1);\n\n    // Selection does not exist\n    if (!start || !end) {\n      return;\n    }\n\n    // Translate from buffer position to viewport position\n    const viewportStartRow = start[1] - this._bufferService.buffer.ydisp;\n    const viewportEndRow = end[1] - this._bufferService.buffer.ydisp;\n    const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n    const viewportCappedEndRow = Math.min(viewportEndRow, this._bufferService.rows - 1);\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= this._bufferService.rows || viewportCappedEndRow < 0) {\n      return;\n    }\n\n    // Create the selections\n    const documentFragment = document.createDocumentFragment();\n\n    if (columnSelectMode) {\n      const isXFlipped = start[0] > end[0];\n      documentFragment.appendChild(\n        this._createSelectionElement(viewportCappedStartRow, isXFlipped ? end[0] : start[0], isXFlipped ? start[0] : end[0], viewportCappedEndRow - viewportCappedStartRow + 1)\n      );\n    } else {\n      // Draw first row\n      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n      const endCol = viewportCappedStartRow === viewportEndRow ? end[0] : this._bufferService.cols;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n      // Draw middle rows\n      const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._bufferService.cols, middleRowsCount));\n      // Draw final row\n      if (viewportCappedStartRow !== viewportCappedEndRow) {\n        // Only draw viewportEndRow if it's not the same as viewporttartRow\n        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;\n        documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n      }\n    }\n    this._selectionContainer.appendChild(documentFragment);\n  }\n\n  /**\n   * Creates a selection element at the specified position.\n   * @param row The row of the selection.\n   * @param colStart The start column.\n   * @param colEnd The end columns.\n   */\n  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n    const element = document.createElement('div');\n    element.style.height = `${rowCount * this.dimensions.css.cell.height}px`;\n    element.style.top = `${row * this.dimensions.css.cell.height}px`;\n    element.style.left = `${colStart * this.dimensions.css.cell.width}px`;\n    element.style.width = `${this.dimensions.css.cell.width * (colEnd - colStart)}px`;\n    return element;\n  }\n\n  public handleCursorMove(): void {\n    // No-op, the cursor is drawn when rows are drawn\n  }\n\n  private _handleOptionsChanged(): void {\n    // Force a refresh\n    this._updateDimensions();\n    // Refresh CSS\n    this._injectCss(this._themeService.colors);\n    // update spacing cache\n    this._widthCache.setFont(\n      this._optionsService.rawOptions.fontFamily,\n      this._optionsService.rawOptions.fontSize,\n      this._optionsService.rawOptions.fontWeight,\n      this._optionsService.rawOptions.fontWeightBold\n    );\n    this._setDefaultSpacing();\n  }\n\n  public clear(): void {\n    for (const e of this._rowElements) {\n      /**\n       * NOTE: This used to be `e.innerText = '';` but that doesn't work when using `jsdom` and\n       * `@testing-library/react`\n       *\n       * references:\n       * - https://github.com/testing-library/react-testing-library/issues/1146\n       * - https://github.com/jsdom/jsdom/issues/1245\n       */\n      e.replaceChildren();\n    }\n  }\n\n  public renderRows(start: number, end: number): void {\n    const buffer = this._bufferService.buffer;\n    const cursorAbsoluteY = buffer.ybase + buffer.y;\n    const cursorX = Math.min(buffer.x, this._bufferService.cols - 1);\n    const cursorBlink = this._optionsService.rawOptions.cursorBlink;\n    const cursorStyle = this._optionsService.rawOptions.cursorStyle;\n    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;\n\n    for (let y = start; y <= end; y++) {\n      const row = y + buffer.ydisp;\n      const rowElement = this._rowElements[y];\n      const lineData = buffer.lines.get(row);\n      if (!rowElement || !lineData) {\n        break;\n      }\n      rowElement.replaceChildren(\n        ...this._rowFactory.createRow(\n          lineData,\n          row,\n          row === cursorAbsoluteY,\n          cursorStyle,\n          cursorInactiveStyle,\n          cursorX,\n          cursorBlink,\n          this.dimensions.css.cell.width,\n          this._widthCache,\n          -1,\n          -1\n        )\n      );\n    }\n  }\n\n  private get _terminalSelector(): string {\n    return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;\n  }\n\n  private _handleLinkHover(e: ILinkifierEvent): void {\n    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);\n  }\n\n  private _handleLinkLeave(e: ILinkifierEvent): void {\n    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);\n  }\n\n  private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {\n    /**\n     * NOTE: The linkifier may send out of viewport y-values if:\n     * - negative y-value: the link started at a higher line\n     * - y-value >= maxY: the link ends at a line below viewport\n     *\n     * For negative y-values we can simply adjust x = 0,\n     * as higher up link start means, that everything from\n     * (0,0) is a link under top-down-left-right char progression\n     *\n     * Additionally there might be a small chance of out-of-sync x|y-values\n     * from a race condition of render updates vs. link event handler execution:\n     * - (sync) resize: chances terminal buffer in sync, schedules render update async\n     * - (async) link handler race condition: new buffer metrics, but still on old render state\n     * - (async) render update: brings term metrics and render state back in sync\n     */\n    // clip coords into viewport\n    if (y < 0) x = 0;\n    if (y2 < 0) x2 = 0;\n    const maxY = this._bufferService.rows - 1;\n    y = Math.max(Math.min(y, maxY), 0);\n    y2 = Math.max(Math.min(y2, maxY), 0);\n\n    cols = Math.min(cols, this._bufferService.cols);\n    const buffer = this._bufferService.buffer;\n    const cursorAbsoluteY = buffer.ybase + buffer.y;\n    const cursorX = Math.min(buffer.x, cols - 1);\n    const cursorBlink = this._optionsService.rawOptions.cursorBlink;\n    const cursorStyle = this._optionsService.rawOptions.cursorStyle;\n    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;\n\n    // refresh rows within link range\n    for (let i = y; i <= y2; ++i) {\n      const row = i + buffer.ydisp;\n      const rowElement = this._rowElements[i];\n      const bufferline = buffer.lines.get(row);\n      if (!rowElement || !bufferline) {\n        break;\n      }\n      rowElement.replaceChildren(\n        ...this._rowFactory.createRow(\n          bufferline,\n          row,\n          row === cursorAbsoluteY,\n          cursorStyle,\n          cursorInactiveStyle,\n          cursorX,\n          cursorBlink,\n          this.dimensions.css.cell.width,\n          this._widthCache,\n          enabled ? (i === y ? x : 0) : -1,\n          enabled ? ((i === y2 ? x2 : cols) - 1) : -1\n        )\n      );\n    }\n  }\n}\n","/**\n * Copyright (c) 2018, 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferLine, ICellData, IColor } from 'common/Types';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';\nimport { WHITESPACE_CELL_CHAR, Attributes } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';\nimport { color, rgba } from 'common/Color';\nimport { ICharacterJoinerService, ICoreBrowserService, IThemeService } from 'browser/services/Services';\nimport { JoinedCellData } from 'browser/services/CharacterJoinerService';\nimport { excludeFromContrastRatioDemands } from 'browser/renderer/shared/RendererUtils';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { WidthCache } from 'browser/renderer/dom/WidthCache';\nimport { IColorContrastCache } from 'browser/Types';\n\n\nexport const enum RowCss {\n  BOLD_CLASS = 'xterm-bold',\n  DIM_CLASS = 'xterm-dim',\n  ITALIC_CLASS = 'xterm-italic',\n  UNDERLINE_CLASS = 'xterm-underline',\n  OVERLINE_CLASS = 'xterm-overline',\n  STRIKETHROUGH_CLASS = 'xterm-strikethrough',\n  CURSOR_CLASS = 'xterm-cursor',\n  CURSOR_BLINK_CLASS = 'xterm-cursor-blink',\n  CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block',\n  CURSOR_STYLE_OUTLINE_CLASS = 'xterm-cursor-outline',\n  CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar',\n  CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline'\n}\n\n\nexport class DomRendererRowFactory {\n  private _workCell: CellData = new CellData();\n\n  private _selectionStart: [number, number] | undefined;\n  private _selectionEnd: [number, number] | undefined;\n  private _columnSelectMode: boolean = false;\n\n  public defaultSpacing = 0;\n\n  constructor(\n    private readonly _document: Document,\n    @ICharacterJoinerService private readonly _characterJoinerService: ICharacterJoinerService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,\n    @ICoreService private readonly _coreService: ICoreService,\n    @IDecorationService private readonly _decorationService: IDecorationService,\n    @IThemeService private readonly _themeService: IThemeService\n  ) {}\n\n  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {\n    this._selectionStart = start;\n    this._selectionEnd = end;\n    this._columnSelectMode = columnSelectMode;\n  }\n\n  public createRow(\n    lineData: IBufferLine,\n    row: number,\n    isCursorRow: boolean,\n    cursorStyle: string | undefined,\n    cursorInactiveStyle: string | undefined,\n    cursorX: number,\n    cursorBlink: boolean,\n    cellWidth: number,\n    widthCache: WidthCache,\n    linkStart: number,\n    linkEnd: number\n  ): HTMLSpanElement[] {\n\n    const elements: HTMLSpanElement[] = [];\n    const joinedRanges = this._characterJoinerService.getJoinedCharacters(row);\n    const colors = this._themeService.colors;\n\n    let lineLength = lineData.getNoBgTrimmedLength();\n    if (isCursorRow && lineLength < cursorX + 1) {\n      lineLength = cursorX + 1;\n    }\n\n    let charElement: HTMLSpanElement | undefined;\n    let cellAmount = 0;\n    let text = '';\n    let oldBg = 0;\n    let oldFg = 0;\n    let oldExt = 0;\n    let oldLinkHover: number | boolean = false;\n    let oldSpacing = 0;\n    let oldIsInSelection: boolean = false;\n    let spacing = 0;\n    const classes: string[] = [];\n\n    const hasHover = linkStart !== -1 && linkEnd !== -1;\n\n    for (let x = 0; x < lineLength; x++) {\n      lineData.loadCell(x, this._workCell);\n      let width = this._workCell.getWidth();\n\n      // The character to the left is a wide character, drawing is owned by the char at x-1\n      if (width === 0) {\n        continue;\n      }\n\n      // If true, indicates that the current character(s) to draw were joined.\n      let isJoined = false;\n      let lastCharX = x;\n\n      // Process any joined character ranges as needed. Because of how the\n      // ranges are produced, we know that they are valid for the characters\n      // and attributes of our input.\n      let cell = this._workCell;\n      if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {\n        isJoined = true;\n        const range = joinedRanges.shift()!;\n\n        // We already know the exact start and end column of the joined range,\n        // so we get the string and width representing it directly\n        cell = new JoinedCellData(\n          this._workCell,\n          lineData.translateToString(true, range[0], range[1]),\n          range[1] - range[0]\n        );\n\n        // Skip over the cells occupied by this range in the loop\n        lastCharX = range[1] - 1;\n\n        // Recalculate width\n        width = cell.getWidth();\n      }\n\n      const isInSelection = this._isCellInSelection(x, row);\n      const isCursorCell = isCursorRow && x === cursorX;\n      const isLinkHover = hasHover && x >= linkStart && x <= linkEnd;\n\n      let isDecorated = false;\n      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {\n        isDecorated = true;\n      });\n\n      // get chars to render for this cell\n      let chars = cell.getChars() || WHITESPACE_CELL_CHAR;\n      if (chars === ' ' && (cell.isUnderline() || cell.isOverline())) {\n        chars = '\\xa0';\n      }\n\n      // lookup char render width and calc spacing\n      spacing = width * cellWidth - widthCache.get(chars, cell.isBold(), cell.isItalic());\n\n      if (!charElement) {\n        charElement = this._document.createElement('span');\n      } else {\n        /**\n         * chars can only be merged on existing span if:\n         * - existing span only contains mergeable chars (cellAmount != 0)\n         * - bg did not change (or both are in selection)\n         * - fg did not change (or both are in selection and selection fg is set)\n         * - ext did not change\n         * - underline from hover state did not change\n         * - cell content renders to same letter-spacing\n         * - cell is not cursor\n         */\n        if (\n          cellAmount\n          && (\n            (isInSelection && oldIsInSelection)\n            || (!isInSelection && !oldIsInSelection && cell.bg === oldBg)\n          )\n          && (\n            (isInSelection && oldIsInSelection && colors.selectionForeground)\n            || cell.fg === oldFg\n          )\n          && cell.extended.ext === oldExt\n          && isLinkHover === oldLinkHover\n          && spacing === oldSpacing\n          && !isCursorCell\n          && !isJoined\n          && !isDecorated\n        ) {\n          // no span alterations, thus only account chars skipping all code below\n          text += chars;\n          cellAmount++;\n          continue;\n        } else {\n          /**\n           * cannot merge:\n           * - apply left-over text to old span\n           * - create new span, reset state holders cellAmount & text\n           */\n          if (cellAmount) {\n            charElement.textContent = text;\n          }\n          charElement = this._document.createElement('span');\n          cellAmount = 0;\n          text = '';\n        }\n      }\n      // preserve conditions for next merger eval round\n      oldBg = cell.bg;\n      oldFg = cell.fg;\n      oldExt = cell.extended.ext;\n      oldLinkHover = isLinkHover;\n      oldSpacing = spacing;\n      oldIsInSelection = isInSelection;\n\n      if (isJoined) {\n        // The DOM renderer colors the background of the cursor but for ligatures all cells are\n        // joined. The workaround here is to show a cursor around the whole ligature so it shows up,\n        // the cursor looks the same when on any character of the ligature though\n        if (cursorX >= x && cursorX <= lastCharX) {\n          cursorX = x;\n        }\n      }\n\n      if (!this._coreService.isCursorHidden && isCursorCell) {\n        classes.push(RowCss.CURSOR_CLASS);\n        if (this._coreBrowserService.isFocused) {\n          if (cursorBlink) {\n            classes.push(RowCss.CURSOR_BLINK_CLASS);\n          }\n          classes.push(\n            cursorStyle === 'bar'\n              ? RowCss.CURSOR_STYLE_BAR_CLASS\n              : cursorStyle === 'underline'\n                ? RowCss.CURSOR_STYLE_UNDERLINE_CLASS\n                : RowCss.CURSOR_STYLE_BLOCK_CLASS\n          );\n        } else {\n          if (cursorInactiveStyle) {\n            switch (cursorInactiveStyle) {\n              case 'outline':\n                classes.push(RowCss.CURSOR_STYLE_OUTLINE_CLASS);\n                break;\n              case 'block':\n                classes.push(RowCss.CURSOR_STYLE_BLOCK_CLASS);\n                break;\n              case 'bar':\n                classes.push(RowCss.CURSOR_STYLE_BAR_CLASS);\n                break;\n              case 'underline':\n                classes.push(RowCss.CURSOR_STYLE_UNDERLINE_CLASS);\n                break;\n              default:\n                break;\n            }\n          }\n        }\n      }\n\n      if (cell.isBold()) {\n        classes.push(RowCss.BOLD_CLASS);\n      }\n\n      if (cell.isItalic()) {\n        classes.push(RowCss.ITALIC_CLASS);\n      }\n\n      if (cell.isDim()) {\n        classes.push(RowCss.DIM_CLASS);\n      }\n\n      if (cell.isInvisible()) {\n        text = WHITESPACE_CELL_CHAR;\n      } else {\n        text = cell.getChars() || WHITESPACE_CELL_CHAR;\n      }\n\n      if (cell.isUnderline()) {\n        classes.push(`${RowCss.UNDERLINE_CLASS}-${cell.extended.underlineStyle}`);\n        if (text === ' ') {\n          text = '\\xa0'; // = &nbsp;\n        }\n        if (!cell.isUnderlineColorDefault()) {\n          if (cell.isUnderlineColorRGB()) {\n            charElement.style.textDecorationColor = `rgb(${AttributeData.toColorRGB(cell.getUnderlineColor()).join(',')})`;\n          } else {\n            let fg = cell.getUnderlineColor();\n            if (this._optionsService.rawOptions.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {\n              fg += 8;\n            }\n            charElement.style.textDecorationColor = colors.ansi[fg].css;\n          }\n        }\n      }\n\n      if (cell.isOverline()) {\n        classes.push(RowCss.OVERLINE_CLASS);\n        if (text === ' ') {\n          text = '\\xa0'; // = &nbsp;\n        }\n      }\n\n      if (cell.isStrikethrough()) {\n        classes.push(RowCss.STRIKETHROUGH_CLASS);\n      }\n\n      // apply link hover underline late, effectively overrides any previous text-decoration\n      // settings\n      if (isLinkHover) {\n        charElement.style.textDecoration = 'underline';\n      }\n\n      let fg = cell.getFgColor();\n      let fgColorMode = cell.getFgColorMode();\n      let bg = cell.getBgColor();\n      let bgColorMode = cell.getBgColorMode();\n      const isInverse = !!cell.isInverse();\n      if (isInverse) {\n        const temp = fg;\n        fg = bg;\n        bg = temp;\n        const temp2 = fgColorMode;\n        fgColorMode = bgColorMode;\n        bgColorMode = temp2;\n      }\n\n      // Apply any decoration foreground/background overrides, this must happen after inverse has\n      // been applied\n      let bgOverride: IColor | undefined;\n      let fgOverride: IColor | undefined;\n      let isTop = false;\n      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {\n        if (d.options.layer !== 'top' && isTop) {\n          return;\n        }\n        if (d.backgroundColorRGB) {\n          bgColorMode = Attributes.CM_RGB;\n          bg = d.backgroundColorRGB.rgba >> 8 & 0xFFFFFF;\n          bgOverride = d.backgroundColorRGB;\n        }\n        if (d.foregroundColorRGB) {\n          fgColorMode = Attributes.CM_RGB;\n          fg = d.foregroundColorRGB.rgba >> 8 & 0xFFFFFF;\n          fgOverride = d.foregroundColorRGB;\n        }\n        isTop = d.options.layer === 'top';\n      });\n\n      // Apply selection\n      if (!isTop && isInSelection) {\n        // If in the selection, force the element to be above the selection to improve contrast and\n        // support opaque selections. The applies background is not actually needed here as\n        // selection is drawn in a seperate container, the main purpose of this to ensuring minimum\n        // contrast ratio\n        bgOverride = this._coreBrowserService.isFocused ? colors.selectionBackgroundOpaque : colors.selectionInactiveBackgroundOpaque;\n        bg = bgOverride.rgba >> 8 & 0xFFFFFF;\n        bgColorMode = Attributes.CM_RGB;\n        // Since an opaque selection is being rendered, the selection pretends to be a decoration to\n        // ensure text is drawn above the selection.\n        isTop = true;\n        // Apply selection foreground if applicable\n        if (colors.selectionForeground) {\n          fgColorMode = Attributes.CM_RGB;\n          fg = colors.selectionForeground.rgba >> 8 & 0xFFFFFF;\n          fgOverride = colors.selectionForeground;\n        }\n      }\n\n      // If it's a top decoration, render above the selection\n      if (isTop) {\n        classes.push('xterm-decoration-top');\n      }\n\n      // Background\n      let resolvedBg: IColor;\n      switch (bgColorMode) {\n        case Attributes.CM_P16:\n        case Attributes.CM_P256:\n          resolvedBg = colors.ansi[bg];\n          classes.push(`xterm-bg-${bg}`);\n          break;\n        case Attributes.CM_RGB:\n          resolvedBg = rgba.toColor(bg >> 16, bg >> 8 & 0xFF, bg & 0xFF);\n          this._addStyle(charElement, `background-color:#${padStart((bg >>> 0).toString(16), '0', 6)}`);\n          break;\n        case Attributes.CM_DEFAULT:\n        default:\n          if (isInverse) {\n            resolvedBg = colors.foreground;\n            classes.push(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);\n          } else {\n            resolvedBg = colors.background;\n          }\n      }\n\n      // If there is no background override by now it's the original color, so apply dim if needed\n      if (!bgOverride) {\n        if (cell.isDim()) {\n          bgOverride = color.multiplyOpacity(resolvedBg, 0.5);\n        }\n      }\n\n      // Foreground\n      switch (fgColorMode) {\n        case Attributes.CM_P16:\n        case Attributes.CM_P256:\n          if (cell.isBold() && fg < 8 && this._optionsService.rawOptions.drawBoldTextInBrightColors) {\n            fg += 8;\n          }\n          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.ansi[fg], cell, bgOverride, undefined)) {\n            classes.push(`xterm-fg-${fg}`);\n          }\n          break;\n        case Attributes.CM_RGB:\n          const color = rgba.toColor(\n            (fg >> 16) & 0xFF,\n            (fg >>  8) & 0xFF,\n            (fg      ) & 0xFF\n          );\n          if (!this._applyMinimumContrast(charElement, resolvedBg, color, cell, bgOverride, fgOverride)) {\n            this._addStyle(charElement, `color:#${padStart(fg.toString(16), '0', 6)}`);\n          }\n          break;\n        case Attributes.CM_DEFAULT:\n        default:\n          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.foreground, cell, bgOverride, undefined)) {\n            if (isInverse) {\n              classes.push(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);\n            }\n          }\n      }\n\n      // apply CSS classes\n      // slightly faster than using classList by omitting\n      // checks for doubled entries (code above should not have doublets)\n      if (classes.length) {\n        charElement.className = classes.join(' ');\n        classes.length = 0;\n      }\n\n      // exclude conditions for cell merging - never merge these\n      if (!isCursorCell && !isJoined && !isDecorated) {\n        cellAmount++;\n      } else {\n        charElement.textContent = text;\n      }\n      // apply letter-spacing rule\n      if (spacing !== this.defaultSpacing) {\n        charElement.style.letterSpacing = `${spacing}px`;\n      }\n\n      elements.push(charElement);\n      x = lastCharX;\n    }\n\n    // postfix text of last merged span\n    if (charElement && cellAmount) {\n      charElement.textContent = text;\n    }\n\n    return elements;\n  }\n\n  private _applyMinimumContrast(element: HTMLElement, bg: IColor, fg: IColor, cell: ICellData, bgOverride: IColor | undefined, fgOverride: IColor | undefined): boolean {\n    if (this._optionsService.rawOptions.minimumContrastRatio === 1 || excludeFromContrastRatioDemands(cell.getCode())) {\n      return false;\n    }\n\n    // Try get from cache first, only use the cache when there are no decoration overrides\n    const cache = this._getContrastCache(cell);\n    let adjustedColor: IColor | undefined | null = undefined;\n    if (!bgOverride && !fgOverride) {\n      adjustedColor = cache.getColor(bg.rgba, fg.rgba);\n    }\n\n    // Calculate and store in cache\n    if (adjustedColor === undefined) {\n      // Dim cells only require half the contrast, otherwise they wouldn't be distinguishable from\n      // non-dim cells\n      const ratio = this._optionsService.rawOptions.minimumContrastRatio / (cell.isDim() ? 2 : 1);\n      adjustedColor = color.ensureContrastRatio(bgOverride || bg, fgOverride || fg, ratio);\n      cache.setColor((bgOverride || bg).rgba, (fgOverride || fg).rgba, adjustedColor ?? null);\n    }\n\n    if (adjustedColor) {\n      this._addStyle(element, `color:${adjustedColor.css}`);\n      return true;\n    }\n\n    return false;\n  }\n\n  private _getContrastCache(cell: ICellData): IColorContrastCache {\n    if (cell.isDim()) {\n      return this._themeService.colors.halfContrastCache;\n    }\n    return this._themeService.colors.contrastCache;\n  }\n\n  private _addStyle(element: HTMLElement, style: string): void {\n    element.setAttribute('style', `${element.getAttribute('style') || ''}${style};`);\n  }\n\n  private _isCellInSelection(x: number, y: number): boolean {\n    const start = this._selectionStart;\n    const end = this._selectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    if (this._columnSelectMode) {\n      if (start[0] <= end[0]) {\n        return x >= start[0] && y >= start[1] &&\n          x < end[0] && y <= end[1];\n      }\n      return x < start[0] && y >= start[1] &&\n        x >= end[0] && y <= end[1];\n    }\n    return (y > start[1] && y < end[1]) ||\n        (start[1] === end[1] && y === start[1] && x >= start[0] && x < end[0]) ||\n        (start[1] < end[1] && y === end[1] && x < end[0]) ||\n        (start[1] < end[1] && y === start[1] && x >= start[0]);\n  }\n}\n\nfunction padStart(text: string, padChar: string, length: number): string {\n  while (text.length < length) {\n    text = padChar + text;\n  }\n  return text;\n}\n","/**\n * Copyright (c) 2023 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\nimport { FontWeight } from 'common/services/Services';\n\n\nexport const enum WidthCacheSettings {\n  /** sentinel for unset values in flat cache */\n  FLAT_UNSET = -9999,\n  /** size of flat cache, size-1 equals highest codepoint handled by flat */\n  FLAT_SIZE = 256,\n  /** char repeat for measuring */\n  REPEAT = 32\n}\n\n\nconst enum FontVariant {\n  REGULAR = 0,\n  BOLD = 1,\n  ITALIC = 2,\n  BOLD_ITALIC = 3\n}\n\n\nexport class WidthCache implements IDisposable {\n  // flat cache for regular variant up to CacheSettings.FLAT_SIZE\n  // NOTE: ~4x faster access than holey (serving >>80% of terminal content)\n  //       It has a small memory footprint (only 1MB for full BMP caching),\n  //       still the sweet spot is not reached before touching 32k different codepoints,\n  //       thus we store the remaining <<20% of terminal data in a holey structure.\n  protected _flat = new Float32Array(WidthCacheSettings.FLAT_SIZE);\n\n  // holey cache for bold, italic and bold&italic for any string\n  // FIXME: can grow really big over time (~8.5 MB for full BMP caching),\n  //        so a shared API across terminals is needed\n  protected _holey: Map<string, number> | undefined;\n\n  private _font = '';\n  private _fontSize = 0;\n  private _weight: FontWeight = 'normal';\n  private _weightBold: FontWeight = 'bold';\n  private _container: HTMLDivElement;\n  private _measureElements: HTMLSpanElement[] = [];\n\n  constructor(_document: Document) {\n    this._container = _document.createElement('div');\n    this._container.style.position = 'absolute';\n    this._container.style.top = '-50000px';\n    this._container.style.width = '50000px';\n    // SP should stack in spans\n    this._container.style.whiteSpace = 'pre';\n    // avoid undercuts in non-monospace fonts from kerning\n    this._container.style.fontKerning = 'none';\n\n    const regular = _document.createElement('span');\n\n    const bold = _document.createElement('span');\n    bold.style.fontWeight = 'bold';\n\n    const italic = _document.createElement('span');\n    italic.style.fontStyle = 'italic';\n\n    const boldItalic = _document.createElement('span');\n    boldItalic.style.fontWeight = 'bold';\n    boldItalic.style.fontStyle = 'italic';\n\n    // NOTE: must be in order of FontVariant\n    this._measureElements = [regular, bold, italic, boldItalic];\n    this._container.appendChild(regular);\n    this._container.appendChild(bold);\n    this._container.appendChild(italic);\n    this._container.appendChild(boldItalic);\n\n    _document.body.appendChild(this._container);\n\n    this.clear();\n  }\n\n  public dispose(): void {\n    this._container.remove();           // remove elements from DOM\n    this._measureElements.length = 0;   // release element refs\n    this._holey = undefined;            // free cache memory via GC\n  }\n\n  /**\n   * Clear the width cache.\n   */\n  public clear(): void {\n    this._flat.fill(WidthCacheSettings.FLAT_UNSET);\n    // .clear() has some overhead, re-assign instead (>3 times faster)\n    this._holey = new Map<string, number>();\n  }\n\n  /**\n   * Set the font for measuring.\n   * Must be called for any changes on font settings.\n   * Also clears the cache.\n   */\n  public setFont(font: string, fontSize: number, weight: FontWeight, weightBold: FontWeight): void {\n    // skip if nothing changed\n    if (font === this._font\n      && fontSize === this._fontSize\n      && weight === this._weight\n      && weightBold === this._weightBold\n    ) {\n      return;\n    }\n\n    this._font = font;\n    this._fontSize = fontSize;\n    this._weight = weight;\n    this._weightBold = weightBold;\n\n    this._container.style.fontFamily = this._font;\n    this._container.style.fontSize = `${this._fontSize}px`;\n    this._measureElements[FontVariant.REGULAR].style.fontWeight = `${weight}`;\n    this._measureElements[FontVariant.BOLD].style.fontWeight = `${weightBold}`;\n    this._measureElements[FontVariant.ITALIC].style.fontWeight = `${weight}`;\n    this._measureElements[FontVariant.BOLD_ITALIC].style.fontWeight = `${weightBold}`;\n\n    this.clear();\n  }\n\n  /**\n   * Get the render width for cell content `c` with current font settings.\n   * `variant` denotes the font variant to be used.\n   */\n  public get(c: string, bold: boolean | number, italic: boolean | number): number {\n    let cp = 0;\n    if (!bold && !italic && c.length === 1 && (cp = c.charCodeAt(0)) < WidthCacheSettings.FLAT_SIZE) {\n      return this._flat[cp] !== WidthCacheSettings.FLAT_UNSET\n        ? this._flat[cp]\n        : (this._flat[cp] = this._measure(c, 0));\n    }\n    let key = c;\n    if (bold) key += 'B';\n    if (italic) key += 'I';\n    let width = this._holey!.get(key);\n    if (width === undefined) {\n      let variant = 0;\n      if (bold) variant |= FontVariant.BOLD;\n      if (italic) variant |= FontVariant.ITALIC;\n      width = this._measure(c, variant);\n      this._holey!.set(key, width);\n    }\n    return width;\n  }\n\n  protected _measure(c: string, variant: FontVariant): number {\n    const el = this._measureElements[variant];\n    el.textContent = c.repeat(WidthCacheSettings.REPEAT);\n    return el.offsetWidth / WidthCacheSettings.REPEAT;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { isFirefox, isLegacyEdge } from 'common/Platform';\n\nexport const INVERTED_DEFAULT_COLOR = 257;\n\nexport const DIM_OPACITY = 0.5;\n// The text baseline is set conditionally by browser. Using 'ideographic' for Firefox or Legacy Edge\n// would result in truncated text (Issue 3353). Using 'bottom' for Chrome would result in slightly\n// unaligned Powerline fonts (PR 3356#issuecomment-850928179).\nexport const TEXT_BASELINE: CanvasTextBaseline = isFirefox || isLegacyEdge ? 'bottom' : 'ideographic';\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDimensions, IRenderDimensions } from 'browser/renderer/shared/Types';\n\nexport function throwIfFalsy<T>(value: T | undefined | null): T {\n  if (!value) {\n    throw new Error('value must not be falsy');\n  }\n  return value;\n}\n\nexport function isPowerlineGlyph(codepoint: number): boolean {\n  // Only return true for Powerline symbols which require\n  // different padding and should be excluded from minimum contrast\n  // ratio standards\n  return 0xE0A4 <= codepoint && codepoint <= 0xE0D6;\n}\n\nexport function isRestrictedPowerlineGlyph(codepoint: number): boolean {\n  return 0xE0B0 <= codepoint && codepoint <= 0xE0B7;\n}\n\nfunction isBoxOrBlockGlyph(codepoint: number): boolean {\n  return 0x2500 <= codepoint && codepoint <= 0x259F;\n}\n\nexport function excludeFromContrastRatioDemands(codepoint: number): boolean {\n  return isPowerlineGlyph(codepoint) || isBoxOrBlockGlyph(codepoint);\n}\n\nexport function createRenderDimensions(): IRenderDimensions {\n  return {\n    css: {\n      canvas: createDimension(),\n      cell: createDimension()\n    },\n    device: {\n      canvas: createDimension(),\n      cell: createDimension(),\n      char: {\n        width: 0,\n        height: 0,\n        left: 0,\n        top: 0\n      }\n    }\n  };\n}\n\nfunction createDimension(): IDimensions {\n  return {\n    width: 0,\n    height: 0\n  };\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferService } from 'common/services/Services';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n  /**\n   * Whether select all is currently active.\n   */\n  public isSelectAllActive: boolean = false;\n\n  /**\n   * The minimal length of the selection from the start position. When double\n   * clicking on a word, the word will be selected which makes the selection\n   * start at the start of the word and makes this variable the length.\n   */\n  public selectionStartLength: number = 0;\n\n  /**\n   * The [x, y] position the selection starts at.\n   */\n  public selectionStart: [number, number] | undefined;\n\n  /**\n   * The [x, y] position the selection ends at.\n   */\n  public selectionEnd: [number, number] | undefined;\n\n  constructor(\n    private _bufferService: IBufferService\n  ) {\n  }\n\n  /**\n   * Clears the current selection.\n   */\n  public clearSelection(): void {\n    this.selectionStart = undefined;\n    this.selectionEnd = undefined;\n    this.isSelectAllActive = false;\n    this.selectionStartLength = 0;\n  }\n\n  /**\n   * The final selection start, taking into consideration select all.\n   */\n  public get finalSelectionStart(): [number, number] | undefined {\n    if (this.isSelectAllActive) {\n      return [0, 0];\n    }\n\n    if (!this.selectionEnd || !this.selectionStart) {\n      return this.selectionStart;\n    }\n\n    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n  }\n\n  /**\n   * The final selection end, taking into consideration select all, double click\n   * word selection and triple click line selection.\n   */\n  public get finalSelectionEnd(): [number, number] | undefined {\n    if (this.isSelectAllActive) {\n      return [this._bufferService.cols, this._bufferService.buffer.ybase + this._bufferService.rows - 1];\n    }\n\n    if (!this.selectionStart) {\n      return undefined;\n    }\n\n    // Use the selection start + length if the end doesn't exist or they're reversed\n    if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n      const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n      if (startPlusLength > this._bufferService.cols) {\n        // Ensure the trailing EOL isn't included when the selection ends on the right edge\n        if (startPlusLength % this._bufferService.cols === 0) {\n          return [this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols) - 1];\n        }\n        return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];\n      }\n      return [startPlusLength, this.selectionStart[1]];\n    }\n\n    // Ensure the the word/line is selected after a double/triple click\n    if (this.selectionStartLength) {\n      // Select the larger of the two when start and end are on the same line\n      if (this.selectionEnd[1] === this.selectionStart[1]) {\n        // Keep the whole wrapped word/line selected if the content wraps multiple lines\n        const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n        if (startPlusLength > this._bufferService.cols) {\n          return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];\n        }\n        return [Math.max(startPlusLength, this.selectionEnd[0]), this.selectionEnd[1]];\n      }\n    }\n    return this.selectionEnd;\n  }\n\n  /**\n   * Returns whether the selection start and end are reversed.\n   */\n  public areSelectionValuesReversed(): boolean {\n    const start = this.selectionStart;\n    const end = this.selectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   * @returns Whether a refresh is necessary.\n   */\n  public handleTrim(amount: number): boolean {\n    // Adjust the selection position based on the trimmed amount.\n    if (this.selectionStart) {\n      this.selectionStart[1] -= amount;\n    }\n    if (this.selectionEnd) {\n      this.selectionEnd[1] -= amount;\n    }\n\n    // The selection has moved off the buffer, clear it.\n    if (this.selectionEnd && this.selectionEnd[1] < 0) {\n      this.clearSelection();\n      return true;\n    }\n\n    // If the selection start is trimmed, ensure the start column is 0.\n    if (this.selectionStart && this.selectionStart[1] < 0) {\n      this.selectionStart[1] = 0;\n    }\n    return false;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOptionsService } from 'common/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { ICharSizeService } from 'browser/services/Services';\nimport { Disposable } from 'common/Lifecycle';\n\n\nconst enum MeasureSettings {\n  REPEAT = 32\n}\n\n\nexport class CharSizeService extends Disposable implements ICharSizeService {\n  public serviceBrand: undefined;\n\n  public width: number = 0;\n  public height: number = 0;\n  private _measureStrategy: IMeasureStrategy;\n\n  public get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }\n\n  private readonly _onCharSizeChange = this.register(new EventEmitter<void>());\n  public readonly onCharSizeChange = this._onCharSizeChange.event;\n\n  constructor(\n    document: Document,\n    parentElement: HTMLElement,\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n    this._measureStrategy = new DomMeasureStrategy(document, parentElement, this._optionsService);\n    this.register(this._optionsService.onMultipleOptionChange(['fontFamily', 'fontSize'], () => this.measure()));\n  }\n\n  public measure(): void {\n    const result = this._measureStrategy.measure();\n    if (result.width !== this.width || result.height !== this.height) {\n      this.width = result.width;\n      this.height = result.height;\n      this._onCharSizeChange.fire();\n    }\n  }\n}\n\ninterface IMeasureStrategy {\n  measure(): IReadonlyMeasureResult;\n}\n\ninterface IReadonlyMeasureResult {\n  readonly width: number;\n  readonly height: number;\n}\n\ninterface IMeasureResult {\n  width: number;\n  height: number;\n}\n\n// TODO: For supporting browsers we should also provide a CanvasCharDimensionsProvider that uses\n// ctx.measureText\nclass DomMeasureStrategy implements IMeasureStrategy {\n  private _result: IMeasureResult = { width: 0, height: 0 };\n  private _measureElement: HTMLElement;\n\n  constructor(\n    private _document: Document,\n    private _parentElement: HTMLElement,\n    private _optionsService: IOptionsService\n  ) {\n    this._measureElement = this._document.createElement('span');\n    this._measureElement.classList.add('xterm-char-measure-element');\n    this._measureElement.textContent = 'W'.repeat(MeasureSettings.REPEAT);\n    this._measureElement.setAttribute('aria-hidden', 'true');\n    this._measureElement.style.whiteSpace = 'pre';\n    this._measureElement.style.fontKerning = 'none';\n    this._parentElement.appendChild(this._measureElement);\n  }\n\n  public measure(): IReadonlyMeasureResult {\n    this._measureElement.style.fontFamily = this._optionsService.rawOptions.fontFamily;\n    this._measureElement.style.fontSize = `${this._optionsService.rawOptions.fontSize}px`;\n\n    // Note that this triggers a synchronous layout\n    const geometry = {\n      height: Number(this._measureElement.offsetHeight),\n      width: Number(this._measureElement.offsetWidth)\n    };\n\n    // If values are 0 then the element is likely currently display:none, in which case we should\n    // retain the previous value.\n    if (geometry.width !== 0 && geometry.height !== 0) {\n      this._result.width = geometry.width / MeasureSettings.REPEAT;\n      this._result.height = Math.ceil(geometry.height);\n    }\n\n    return this._result;\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferLine, ICellData, CharData } from 'common/Types';\nimport { ICharacterJoiner } from 'browser/Types';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { WHITESPACE_CELL_CHAR, Content } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferService } from 'common/services/Services';\nimport { ICharacterJoinerService } from 'browser/services/Services';\n\nexport class JoinedCellData extends AttributeData implements ICellData {\n  private _width: number;\n  // .content carries no meaning for joined CellData, simply nullify it\n  // thus we have to overload all other .content accessors\n  public content: number = 0;\n  public fg: number;\n  public bg: number;\n  public combinedData: string = '';\n\n  constructor(firstCell: ICellData, chars: string, width: number) {\n    super();\n    this.fg = firstCell.fg;\n    this.bg = firstCell.bg;\n    this.combinedData = chars;\n    this._width = width;\n  }\n\n  public isCombined(): number {\n    // always mark joined cell data as combined\n    return Content.IS_COMBINED_MASK;\n  }\n\n  public getWidth(): number {\n    return this._width;\n  }\n\n  public getChars(): string {\n    return this.combinedData;\n  }\n\n  public getCode(): number {\n    // code always gets the highest possible fake codepoint (read as -1)\n    // this is needed as code is used by caches as identifier\n    return 0x1FFFFF;\n  }\n\n  public setFromCharData(value: CharData): void {\n    throw new Error('not implemented');\n  }\n\n  public getAsCharData(): CharData {\n    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n  }\n}\n\nexport class CharacterJoinerService implements ICharacterJoinerService {\n  public serviceBrand: undefined;\n\n  private _characterJoiners: ICharacterJoiner[] = [];\n  private _nextCharacterJoinerId: number = 0;\n  private _workCell: CellData = new CellData();\n\n  constructor(\n    @IBufferService private _bufferService: IBufferService\n  ) { }\n\n  public register(handler: (text: string) => [number, number][]): number {\n    const joiner: ICharacterJoiner = {\n      id: this._nextCharacterJoinerId++,\n      handler\n    };\n\n    this._characterJoiners.push(joiner);\n    return joiner.id;\n  }\n\n  public deregister(joinerId: number): boolean {\n    for (let i = 0; i < this._characterJoiners.length; i++) {\n      if (this._characterJoiners[i].id === joinerId) {\n        this._characterJoiners.splice(i, 1);\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  public getJoinedCharacters(row: number): [number, number][] {\n    if (this._characterJoiners.length === 0) {\n      return [];\n    }\n\n    const line = this._bufferService.buffer.lines.get(row);\n    if (!line || line.length === 0) {\n      return [];\n    }\n\n    const ranges: [number, number][] = [];\n    const lineStr = line.translateToString(true);\n\n    // Because some cells can be represented by multiple javascript characters,\n    // we track the cell and the string indexes separately. This allows us to\n    // translate the string ranges we get from the joiners back into cell ranges\n    // for use when rendering\n    let rangeStartColumn = 0;\n    let currentStringIndex = 0;\n    let rangeStartStringIndex = 0;\n    let rangeAttrFG = line.getFg(0);\n    let rangeAttrBG = line.getBg(0);\n\n    for (let x = 0; x < line.getTrimmedLength(); x++) {\n      line.loadCell(x, this._workCell);\n\n      if (this._workCell.getWidth() === 0) {\n        // If this character is of width 0, skip it.\n        continue;\n      }\n\n      // End of range\n      if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {\n        // If we ended up with a sequence of more than one character,\n        // look for ranges to join.\n        if (x - rangeStartColumn > 1) {\n          const joinedRanges = this._getJoinedRanges(\n            lineStr,\n            rangeStartStringIndex,\n            currentStringIndex,\n            line,\n            rangeStartColumn\n          );\n          for (let i = 0; i < joinedRanges.length; i++) {\n            ranges.push(joinedRanges[i]);\n          }\n        }\n\n        // Reset our markers for a new range.\n        rangeStartColumn = x;\n        rangeStartStringIndex = currentStringIndex;\n        rangeAttrFG = this._workCell.fg;\n        rangeAttrBG = this._workCell.bg;\n      }\n\n      currentStringIndex += this._workCell.getChars().length || WHITESPACE_CELL_CHAR.length;\n    }\n\n    // Process any trailing ranges.\n    if (this._bufferService.cols - rangeStartColumn > 1) {\n      const joinedRanges = this._getJoinedRanges(\n        lineStr,\n        rangeStartStringIndex,\n        currentStringIndex,\n        line,\n        rangeStartColumn\n      );\n      for (let i = 0; i < joinedRanges.length; i++) {\n        ranges.push(joinedRanges[i]);\n      }\n    }\n\n    return ranges;\n  }\n\n  /**\n   * Given a segment of a line of text, find all ranges of text that should be\n   * joined in a single rendering unit. Ranges are internally converted to\n   * column ranges, rather than string ranges.\n   * @param line String representation of the full line of text\n   * @param startIndex Start position of the range to search in the string (inclusive)\n   * @param endIndex End position of the range to search in the string (exclusive)\n   */\n  private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {\n    const text = line.substring(startIndex, endIndex);\n    // At this point we already know that there is at least one joiner so\n    // we can just pull its value and assign it directly rather than\n    // merging it into an empty array, which incurs unnecessary writes.\n    let allJoinedRanges: [number, number][] = [];\n    try {\n      allJoinedRanges = this._characterJoiners[0].handler(text);\n    } catch (error) {\n      console.error(error);\n    }\n    for (let i = 1; i < this._characterJoiners.length; i++) {\n      // We merge any overlapping ranges across the different joiners\n      try {\n        const joinerRanges = this._characterJoiners[i].handler(text);\n        for (let j = 0; j < joinerRanges.length; j++) {\n          CharacterJoinerService._mergeRanges(allJoinedRanges, joinerRanges[j]);\n        }\n      } catch (error) {\n        console.error(error);\n      }\n    }\n    this._stringRangesToCellRanges(allJoinedRanges, lineData, startCol);\n    return allJoinedRanges;\n  }\n\n  /**\n   * Modifies the provided ranges in-place to adjust for variations between\n   * string length and cell width so that the range represents a cell range,\n   * rather than the string range the joiner provides.\n   * @param ranges String ranges containing start (inclusive) and end (exclusive) index\n   * @param line Cell data for the relevant line in the terminal\n   * @param startCol Offset within the line to start from\n   */\n  private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {\n    let currentRangeIndex = 0;\n    let currentRangeStarted = false;\n    let currentStringIndex = 0;\n    let currentRange = ranges[currentRangeIndex];\n\n    // If we got through all of the ranges, stop searching\n    if (!currentRange) {\n      return;\n    }\n\n    for (let x = startCol; x < this._bufferService.cols; x++) {\n      const width = line.getWidth(x);\n      const length = line.getString(x).length || WHITESPACE_CELL_CHAR.length;\n\n      // We skip zero-width characters when creating the string to join the text\n      // so we do the same here\n      if (width === 0) {\n        continue;\n      }\n\n      // Adjust the start of the range\n      if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {\n        currentRange[0] = x;\n        currentRangeStarted = true;\n      }\n\n      // Adjust the end of the range\n      if (currentRange[1] <= currentStringIndex) {\n        currentRange[1] = x;\n\n        // We're finished with this range, so we move to the next one\n        currentRange = ranges[++currentRangeIndex];\n\n        // If there are no more ranges left, stop searching\n        if (!currentRange) {\n          break;\n        }\n\n        // Ranges can be on adjacent characters. Because the end index of the\n        // ranges are exclusive, this means that the index for the start of a\n        // range can be the same as the end index of the previous range. To\n        // account for the start of the next range, we check here just in case.\n        if (currentRange[0] <= currentStringIndex) {\n          currentRange[0] = x;\n          currentRangeStarted = true;\n        } else {\n          currentRangeStarted = false;\n        }\n      }\n\n      // Adjust the string index based on the character length to line up with\n      // the column adjustment\n      currentStringIndex += length;\n    }\n\n    // If there is still a range left at the end, it must extend all the way to\n    // the end of the line.\n    if (currentRange) {\n      currentRange[1] = this._bufferService.cols;\n    }\n  }\n\n  /**\n   * Merges the range defined by the provided start and end into the list of\n   * existing ranges. The merge is done in place on the existing range for\n   * performance and is also returned.\n   * @param ranges Existing range list\n   * @param newRange Tuple of two numbers representing the new range to merge in.\n   * @returns The ranges input with the new range merged in place\n   */\n  private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {\n    let inRange = false;\n    for (let i = 0; i < ranges.length; i++) {\n      const range = ranges[i];\n      if (!inRange) {\n        if (newRange[1] <= range[0]) {\n          // Case 1: New range is before the search range\n          ranges.splice(i, 0, newRange);\n          return ranges;\n        }\n\n        if (newRange[1] <= range[1]) {\n          // Case 2: New range is either wholly contained within the\n          // search range or overlaps with the front of it\n          range[0] = Math.min(newRange[0], range[0]);\n          return ranges;\n        }\n\n        if (newRange[0] < range[1]) {\n          // Case 3: New range either wholly contains the search range\n          // or overlaps with the end of it\n          range[0] = Math.min(newRange[0], range[0]);\n          inRange = true;\n        }\n\n        // Case 4: New range starts after the search range\n        continue;\n      } else {\n        if (newRange[1] <= range[0]) {\n          // Case 5: New range extends from previous range but doesn't\n          // reach the current one\n          ranges[i - 1][1] = newRange[1];\n          return ranges;\n        }\n\n        if (newRange[1] <= range[1]) {\n          // Case 6: New range extends from prvious range into the\n          // current range\n          ranges[i - 1][1] = Math.max(newRange[1], range[1]);\n          ranges.splice(i, 1);\n          return ranges;\n        }\n\n        // Case 7: New range extends from previous range past the\n        // end of the current range\n        ranges.splice(i, 1);\n        i--;\n      }\n    }\n\n    if (inRange) {\n      // Case 8: New range extends past the last existing range\n      ranges[ranges.length - 1][1] = newRange[1];\n    } else {\n      // Case 9: New range starts after the last existing range\n      ranges.push(newRange);\n    }\n\n    return ranges;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICoreBrowserService } from './Services';\n\nexport class CoreBrowserService implements ICoreBrowserService {\n  public serviceBrand: undefined;\n\n  private _isFocused = false;\n  private _cachedIsFocused: boolean | undefined = undefined;\n\n  constructor(\n    private _textarea: HTMLTextAreaElement,\n    public readonly window: Window & typeof globalThis\n  ) {\n    this._textarea.addEventListener('focus', () => this._isFocused = true);\n    this._textarea.addEventListener('blur', () => this._isFocused = false);\n  }\n\n  public get dpr(): number {\n    return this.window.devicePixelRatio;\n  }\n\n  public get isFocused(): boolean {\n    if (this._cachedIsFocused === undefined) {\n      this._cachedIsFocused = this._isFocused && this._textarea.ownerDocument.hasFocus();\n      queueMicrotask(() => this._cachedIsFocused = undefined);\n    }\n    return this._cachedIsFocused;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharSizeService, IRenderService, IMouseService } from './Services';\nimport { getCoords, getCoordsRelativeToElement } from 'browser/input/Mouse';\n\nexport class MouseService implements IMouseService {\n  public serviceBrand: undefined;\n\n  constructor(\n    @IRenderService private readonly _renderService: IRenderService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService\n  ) {\n  }\n\n  public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined {\n    return getCoords(\n      window,\n      event,\n      element,\n      colCount,\n      rowCount,\n      this._charSizeService.hasValidSize,\n      this._renderService.dimensions.css.cell.width,\n      this._renderService.dimensions.css.cell.height,\n      isSelection\n    );\n  }\n\n  public getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined {\n    const coords = getCoordsRelativeToElement(window, event, element);\n    if (!this._charSizeService.hasValidSize) {\n      return undefined;\n    }\n    coords[0] = Math.min(Math.max(coords[0], 0), this._renderService.dimensions.css.canvas.width - 1);\n    coords[1] = Math.min(Math.max(coords[1], 0), this._renderService.dimensions.css.canvas.height - 1);\n    return {\n      col: Math.floor(coords[0] / this._renderService.dimensions.css.cell.width),\n      row: Math.floor(coords[1] / this._renderService.dimensions.css.cell.height),\n      x: Math.floor(coords[0]),\n      y: Math.floor(coords[1])\n    };\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { RenderDebouncer } from 'browser/RenderDebouncer';\nimport { ScreenDprMonitor } from 'browser/ScreenDprMonitor';\nimport { IRenderDebouncerWithCallback } from 'browser/Types';\nimport { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';\nimport { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, MutableDisposable } from 'common/Lifecycle';\nimport { DebouncedIdleTask } from 'common/TaskQueue';\nimport { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';\n\ninterface ISelectionState {\n  start: [number, number] | undefined;\n  end: [number, number] | undefined;\n  columnSelectMode: boolean;\n}\n\nexport class RenderService extends Disposable implements IRenderService {\n  public serviceBrand: undefined;\n\n  private _renderer: MutableDisposable<IRenderer> = this.register(new MutableDisposable());\n  private _renderDebouncer: IRenderDebouncerWithCallback;\n  private _screenDprMonitor: ScreenDprMonitor;\n  private _pausedResizeTask = new DebouncedIdleTask();\n\n  private _isPaused: boolean = false;\n  private _needsFullRefresh: boolean = false;\n  private _isNextRenderRedrawOnly: boolean = true;\n  private _needsSelectionRefresh: boolean = false;\n  private _canvasWidth: number = 0;\n  private _canvasHeight: number = 0;\n  private _selectionState: ISelectionState = {\n    start: undefined,\n    end: undefined,\n    columnSelectMode: false\n  };\n\n  private readonly _onDimensionsChange = this.register(new EventEmitter<IRenderDimensions>());\n  public readonly onDimensionsChange =  this._onDimensionsChange.event;\n  private readonly _onRenderedViewportChange = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRenderedViewportChange = this._onRenderedViewportChange.event;\n  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRender = this._onRender.event;\n  private readonly _onRefreshRequest = this.register(new EventEmitter<{ start: number, end: number }>());\n  public readonly onRefreshRequest = this._onRefreshRequest.event;\n\n  public get dimensions(): IRenderDimensions { return this._renderer.value!.dimensions; }\n\n  constructor(\n    private _rowCount: number,\n    screenElement: HTMLElement,\n    @IOptionsService optionsService: IOptionsService,\n    @ICharSizeService private readonly _charSizeService: ICharSizeService,\n    @IDecorationService decorationService: IDecorationService,\n    @IBufferService bufferService: IBufferService,\n    @ICoreBrowserService coreBrowserService: ICoreBrowserService,\n    @IThemeService themeService: IThemeService\n  ) {\n    super();\n\n    this._renderDebouncer = new RenderDebouncer(coreBrowserService.window, (start, end) => this._renderRows(start, end));\n    this.register(this._renderDebouncer);\n\n    this._screenDprMonitor = new ScreenDprMonitor(coreBrowserService.window);\n    this._screenDprMonitor.setListener(() => this.handleDevicePixelRatioChange());\n    this.register(this._screenDprMonitor);\n\n    this.register(bufferService.onResize(() => this._fullRefresh()));\n    this.register(bufferService.buffers.onBufferActivate(() => this._renderer.value?.clear()));\n    this.register(optionsService.onOptionChange(() => this._handleOptionsChanged()));\n    this.register(this._charSizeService.onCharSizeChange(() => this.handleCharSizeChanged()));\n\n    // Do a full refresh whenever any decoration is added or removed. This may not actually result\n    // in changes but since decorations should be used sparingly or added/removed all in the same\n    // frame this should have minimal performance impact.\n    this.register(decorationService.onDecorationRegistered(() => this._fullRefresh()));\n    this.register(decorationService.onDecorationRemoved(() => this._fullRefresh()));\n\n    // Clear the renderer when the a change that could affect glyphs occurs\n    this.register(optionsService.onMultipleOptionChange([\n      'customGlyphs',\n      'drawBoldTextInBrightColors',\n      'letterSpacing',\n      'lineHeight',\n      'fontFamily',\n      'fontSize',\n      'fontWeight',\n      'fontWeightBold',\n      'minimumContrastRatio'\n    ], () => {\n      this.clear();\n      this.handleResize(bufferService.cols, bufferService.rows);\n      this._fullRefresh();\n    }));\n\n    // Refresh the cursor line when the cursor changes\n    this.register(optionsService.onMultipleOptionChange([\n      'cursorBlink',\n      'cursorStyle'\n    ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, true)));\n\n    // dprchange should handle this case, we need this as well for browsers that don't support the\n    // matchMedia query.\n    this.register(addDisposableDomListener(coreBrowserService.window, 'resize', () => this.handleDevicePixelRatioChange()));\n\n    this.register(themeService.onChangeColors(() => this._fullRefresh()));\n\n    // Detect whether IntersectionObserver is detected and enable renderer pause\n    // and resume based on terminal visibility if so\n    if ('IntersectionObserver' in coreBrowserService.window) {\n      const observer = new coreBrowserService.window.IntersectionObserver(e => this._handleIntersectionChange(e[e.length - 1]), { threshold: 0 });\n      observer.observe(screenElement);\n      this.register({ dispose: () => observer.disconnect() });\n    }\n  }\n\n  private _handleIntersectionChange(entry: IntersectionObserverEntry): void {\n    this._isPaused = entry.isIntersecting === undefined ? (entry.intersectionRatio === 0) : !entry.isIntersecting;\n\n    // Terminal was hidden on open\n    if (!this._isPaused && !this._charSizeService.hasValidSize) {\n      this._charSizeService.measure();\n    }\n\n    if (!this._isPaused && this._needsFullRefresh) {\n      this._pausedResizeTask.flush();\n      this.refreshRows(0, this._rowCount - 1);\n      this._needsFullRefresh = false;\n    }\n  }\n\n  public refreshRows(start: number, end: number, isRedrawOnly: boolean = false): void {\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n      return;\n    }\n    if (!isRedrawOnly) {\n      this._isNextRenderRedrawOnly = false;\n    }\n    this._renderDebouncer.refresh(start, end, this._rowCount);\n  }\n\n  private _renderRows(start: number, end: number): void {\n    if (!this._renderer.value) {\n      return;\n    }\n\n    // Since this is debounced, a resize event could have happened between the time a refresh was\n    // requested and when this triggers. Clamp the values of start and end to ensure they're valid\n    // given the current viewport state.\n    start = Math.min(start, this._rowCount - 1);\n    end = Math.min(end, this._rowCount - 1);\n\n    // Render\n    this._renderer.value.renderRows(start, end);\n\n    // Update selection if needed\n    if (this._needsSelectionRefresh) {\n      this._renderer.value.handleSelectionChanged(this._selectionState.start, this._selectionState.end, this._selectionState.columnSelectMode);\n      this._needsSelectionRefresh = false;\n    }\n\n    // Fire render event only if it was not a redraw\n    if (!this._isNextRenderRedrawOnly) {\n      this._onRenderedViewportChange.fire({ start, end });\n    }\n    this._onRender.fire({ start, end });\n    this._isNextRenderRedrawOnly = true;\n  }\n\n  public resize(cols: number, rows: number): void {\n    this._rowCount = rows;\n    this._fireOnCanvasResize();\n  }\n\n  private _handleOptionsChanged(): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    this.refreshRows(0, this._rowCount - 1);\n    this._fireOnCanvasResize();\n  }\n\n  private _fireOnCanvasResize(): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    // Don't fire the event if the dimensions haven't changed\n    if (this._renderer.value.dimensions.css.canvas.width === this._canvasWidth && this._renderer.value.dimensions.css.canvas.height === this._canvasHeight) {\n      return;\n    }\n    this._onDimensionsChange.fire(this._renderer.value.dimensions);\n  }\n\n  public hasRenderer(): boolean {\n    return !!this._renderer.value;\n  }\n\n  public setRenderer(renderer: IRenderer): void {\n    this._renderer.value = renderer;\n    this._renderer.value.onRequestRedraw(e => this.refreshRows(e.start, e.end, true));\n\n    // Force a refresh\n    this._needsSelectionRefresh = true;\n    this._fullRefresh();\n  }\n\n  public addRefreshCallback(callback: FrameRequestCallback): number {\n    return this._renderDebouncer.addRefreshCallback(callback);\n  }\n\n  private _fullRefresh(): void {\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n    } else {\n      this.refreshRows(0, this._rowCount - 1);\n    }\n  }\n\n  public clearTextureAtlas(): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    this._renderer.value.clearTextureAtlas?.();\n    this._fullRefresh();\n  }\n\n  public handleDevicePixelRatioChange(): void {\n    // Force char size measurement as DomMeasureStrategy(getBoundingClientRect) is not stable\n    // when devicePixelRatio changes\n    this._charSizeService.measure();\n\n    if (!this._renderer.value) {\n      return;\n    }\n    this._renderer.value.handleDevicePixelRatioChange();\n    this.refreshRows(0, this._rowCount - 1);\n  }\n\n  public handleResize(cols: number, rows: number): void {\n    if (!this._renderer.value) {\n      return;\n    }\n    if (this._isPaused) {\n      this._pausedResizeTask.set(() => this._renderer.value!.handleResize(cols, rows));\n    } else {\n      this._renderer.value.handleResize(cols, rows);\n    }\n    this._fullRefresh();\n  }\n\n  // TODO: Is this useful when we have onResize?\n  public handleCharSizeChanged(): void {\n    this._renderer.value?.handleCharSizeChanged();\n  }\n\n  public handleBlur(): void {\n    this._renderer.value?.handleBlur();\n  }\n\n  public handleFocus(): void {\n    this._renderer.value?.handleFocus();\n  }\n\n  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {\n    this._selectionState.start = start;\n    this._selectionState.end = end;\n    this._selectionState.columnSelectMode = columnSelectMode;\n    this._renderer.value?.handleSelectionChanged(start, end, columnSelectMode);\n  }\n\n  public handleCursorMove(): void {\n    this._renderer.value?.handleCursorMove();\n  }\n\n  public clear(): void {\n    this._renderer.value?.clear();\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferRange, ILinkifier2 } from 'browser/Types';\nimport { getCoordsRelativeToElement } from 'browser/input/Mouse';\nimport { moveToCellSequence } from 'browser/input/MoveToCell';\nimport { SelectionModel } from 'browser/selection/SelectionModel';\nimport { ISelectionRedrawRequestEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';\nimport { ICoreBrowserService, IMouseService, IRenderService, ISelectionService } from 'browser/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport * as Browser from 'common/Platform';\nimport { IBufferLine, IDisposable } from 'common/Types';\nimport { getRangeLength } from 'common/buffer/BufferRange';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBuffer } from 'common/buffer/Types';\nimport { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * The maximum amount of time that can have elapsed for an alt click to move the\n * cursor.\n */\nconst ALT_CLICK_MOVE_CURSOR_TIME = 500;\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n  start: number;\n  length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nexport const enum SelectionMode {\n  NORMAL,\n  WORD,\n  LINE,\n  COLUMN\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionService handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionService but the onRedrawRequest event is fired\n * when the selection is ready to be redrawn (on an animation frame).\n */\nexport class SelectionService extends Disposable implements ISelectionService {\n  public serviceBrand: undefined;\n\n  protected _model: SelectionModel;\n\n  /**\n   * The amount to scroll every drag scroll update (depends on how far the mouse\n   * drag is above or below the terminal).\n   */\n  private _dragScrollAmount: number = 0;\n\n  /**\n   * The current selection mode.\n   */\n  protected _activeSelectionMode: SelectionMode;\n\n  /**\n   * A setInterval timer that is active while the mouse is down whose callback\n   * scrolls the viewport when necessary.\n   */\n  private _dragScrollIntervalTimer: number | undefined;\n\n  /**\n   * The animation frame ID used for refreshing the selection.\n   */\n  private _refreshAnimationFrame: number | undefined;\n\n  /**\n   * Whether selection is enabled.\n   */\n  private _enabled = true;\n\n  private _mouseMoveListener: EventListener;\n  private _mouseUpListener: EventListener;\n  private _trimListener: IDisposable;\n  private _workCell: CellData = new CellData();\n\n  private _mouseDownTimeStamp: number = 0;\n  private _oldHasSelection: boolean = false;\n  private _oldSelectionStart: [number, number] | undefined = undefined;\n  private _oldSelectionEnd: [number, number] | undefined = undefined;\n\n  private readonly _onLinuxMouseSelection = this.register(new EventEmitter<string>());\n  public readonly onLinuxMouseSelection = this._onLinuxMouseSelection.event;\n  private readonly _onRedrawRequest = this.register(new EventEmitter<ISelectionRedrawRequestEvent>());\n  public readonly onRequestRedraw = this._onRedrawRequest.event;\n  private readonly _onSelectionChange = this.register(new EventEmitter<void>());\n  public readonly onSelectionChange = this._onSelectionChange.event;\n  private readonly _onRequestScrollLines = this.register(new EventEmitter<ISelectionRequestScrollLinesEvent>());\n  public readonly onRequestScrollLines = this._onRequestScrollLines.event;\n\n  constructor(\n    private readonly _element: HTMLElement,\n    private readonly _screenElement: HTMLElement,\n    private readonly _linkifier: ILinkifier2,\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreService private readonly _coreService: ICoreService,\n    @IMouseService private readonly _mouseService: IMouseService,\n    @IOptionsService private readonly _optionsService: IOptionsService,\n    @IRenderService private readonly _renderService: IRenderService,\n    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService\n  ) {\n    super();\n\n    // Init listeners\n    this._mouseMoveListener = event => this._handleMouseMove(event as MouseEvent);\n    this._mouseUpListener = event => this._handleMouseUp(event as MouseEvent);\n    this._coreService.onUserInput(() => {\n      if (this.hasSelection) {\n        this.clearSelection();\n      }\n    });\n    this._trimListener = this._bufferService.buffer.lines.onTrim(amount => this._handleTrim(amount));\n    this.register(this._bufferService.buffers.onBufferActivate(e => this._handleBufferActivate(e)));\n\n    this.enable();\n\n    this._model = new SelectionModel(this._bufferService);\n    this._activeSelectionMode = SelectionMode.NORMAL;\n\n    this.register(toDisposable(() => {\n      this._removeMouseDownListeners();\n    }));\n  }\n\n  public reset(): void {\n    this.clearSelection();\n  }\n\n  /**\n   * Disables the selection manager. This is useful for when terminal mouse\n   * are enabled.\n   */\n  public disable(): void {\n    this.clearSelection();\n    this._enabled = false;\n  }\n\n  /**\n   * Enable the selection manager.\n   */\n  public enable(): void {\n    this._enabled = true;\n  }\n\n  public get selectionStart(): [number, number] | undefined { return this._model.finalSelectionStart; }\n  public get selectionEnd(): [number, number] | undefined { return this._model.finalSelectionEnd; }\n\n  /**\n   * Gets whether there is an active text selection.\n   */\n  public get hasSelection(): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[0] !== end[0] || start[1] !== end[1];\n  }\n\n  /**\n   * Gets the text currently selected.\n   */\n  public get selectionText(): string {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return '';\n    }\n\n    const buffer = this._bufferService.buffer;\n    const result: string[] = [];\n\n    if (this._activeSelectionMode === SelectionMode.COLUMN) {\n      // Ignore zero width selections\n      if (start[0] === end[0]) {\n        return '';\n      }\n\n      // For column selection it's not enough to rely on final selection's swapping of reversed\n      // values, it also needs the x coordinates to swap independently of the y coordinate is needed\n      const startCol = start[0] < end[0] ? start[0] : end[0];\n      const endCol = start[0] < end[0] ? end[0] : start[0];\n      for (let i = start[1]; i <= end[1]; i++) {\n        const lineText = buffer.translateBufferLineToString(i, true, startCol, endCol);\n        result.push(lineText);\n      }\n    } else {\n      // Get first row\n      const startRowEndCol = start[1] === end[1] ? end[0] : undefined;\n      result.push(buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));\n\n      // Get middle rows\n      for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n        const bufferLine = buffer.lines.get(i);\n        const lineText = buffer.translateBufferLineToString(i, true);\n        if (bufferLine?.isWrapped) {\n          result[result.length - 1] += lineText;\n        } else {\n          result.push(lineText);\n        }\n      }\n\n      // Get final row\n      if (start[1] !== end[1]) {\n        const bufferLine = buffer.lines.get(end[1]);\n        const lineText = buffer.translateBufferLineToString(end[1], true, 0, end[0]);\n        if (bufferLine && bufferLine!.isWrapped) {\n          result[result.length - 1] += lineText;\n        } else {\n          result.push(lineText);\n        }\n      }\n    }\n\n    // Format string by replacing non-breaking space chars with regular spaces\n    // and joining the array into a multi-line string.\n    const formattedResult = result.map(line => {\n      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n    }).join(Browser.isWindows ? '\\r\\n' : '\\n');\n\n    return formattedResult;\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this.refresh();\n    this._onSelectionChange.fire();\n  }\n\n  /**\n   * Queues a refresh, redrawing the selection on the next opportunity.\n   * @param isLinuxMouseSelection Whether the selection should be registered as a new\n   * selection on Linux.\n   */\n  public refresh(isLinuxMouseSelection?: boolean): void {\n    // Queue the refresh for the renderer\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._refresh());\n    }\n\n    // If the platform is Linux and the refresh call comes from a mouse event,\n    // we need to update the selection for middle click to paste selection.\n    if (Browser.isLinux && isLinuxMouseSelection) {\n      const selectionText = this.selectionText;\n      if (selectionText.length) {\n        this._onLinuxMouseSelection.fire(this.selectionText);\n      }\n    }\n  }\n\n  /**\n   * Fires the refresh event, causing consumers to pick it up and redraw the\n   * selection state.\n   */\n  private _refresh(): void {\n    this._refreshAnimationFrame = undefined;\n    this._onRedrawRequest.fire({\n      start: this._model.finalSelectionStart,\n      end: this._model.finalSelectionEnd,\n      columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN\n    });\n  }\n\n  /**\n   * Checks if the current click was inside the current selection\n   * @param event The mouse event\n   */\n  private _isClickInSelection(event: MouseEvent): boolean {\n    const coords = this._getMouseBufferCoords(event);\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n\n    if (!start || !end || !coords) {\n      return false;\n    }\n\n    return this._areCoordsInSelection(coords, start, end);\n  }\n\n  public isCellInSelection(x: number, y: number): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return this._areCoordsInSelection([x, y], start, end);\n  }\n\n  protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {\n    return (coords[1] > start[1] && coords[1] < end[1]) ||\n        (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||\n        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||\n        (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);\n  }\n\n  /**\n   * Selects word at the current mouse event coordinates.\n   * @param event The mouse event.\n   */\n  private _selectWordAtCursor(event: MouseEvent, allowWhitespaceOnlySelection: boolean): boolean {\n    // Check if there is a link under the cursor first and select that if so\n    const range = this._linkifier.currentLink?.link?.range;\n    if (range) {\n      this._model.selectionStart = [range.start.x - 1, range.start.y - 1];\n      this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);\n      this._model.selectionEnd = undefined;\n      return true;\n    }\n\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._selectWordAt(coords, allowWhitespaceOnlySelection);\n      this._model.selectionEnd = undefined;\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._model.isSelectAllActive = true;\n    this.refresh();\n    this._onSelectionChange.fire();\n  }\n\n  public selectLines(start: number, end: number): void {\n    this._model.clearSelection();\n    start = Math.max(start, 0);\n    end = Math.min(end, this._bufferService.buffer.lines.length - 1);\n    this._model.selectionStart = [0, start];\n    this._model.selectionEnd = [this._bufferService.cols, end];\n    this.refresh();\n    this._onSelectionChange.fire();\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   */\n  private _handleTrim(amount: number): void {\n    const needsRefresh = this._model.handleTrim(amount);\n    if (needsRefresh) {\n      this.refresh();\n    }\n  }\n\n  /**\n   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n   * @param event The mouse event.\n   */\n  private _getMouseBufferCoords(event: MouseEvent): [number, number] | undefined {\n    const coords = this._mouseService.getCoords(event, this._screenElement, this._bufferService.cols, this._bufferService.rows, true);\n    if (!coords) {\n      return undefined;\n    }\n\n    // Convert to 0-based\n    coords[0]--;\n    coords[1]--;\n\n    // Convert viewport coords to buffer coords\n    coords[1] += this._bufferService.buffer.ydisp;\n    return coords;\n  }\n\n  /**\n   * Gets the amount the viewport should be scrolled based on how far out of the\n   * terminal the mouse is.\n   * @param event The mouse event.\n   */\n  private _getMouseEventScrollAmount(event: MouseEvent): number {\n    let offset = getCoordsRelativeToElement(this._coreBrowserService.window, event, this._screenElement)[1];\n    const terminalHeight = this._renderService.dimensions.css.canvas.height;\n    if (offset >= 0 && offset <= terminalHeight) {\n      return 0;\n    }\n    if (offset > terminalHeight) {\n      offset -= terminalHeight;\n    }\n\n    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n    offset /= DRAG_SCROLL_MAX_THRESHOLD;\n    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n  }\n\n  /**\n   * Returns whether the selection manager should force selection, regardless of\n   * whether the terminal is in mouse events mode.\n   * @param event The mouse event.\n   */\n  public shouldForceSelection(event: MouseEvent): boolean {\n    if (Browser.isMac) {\n      return event.altKey && this._optionsService.rawOptions.macOptionClickForcesSelection;\n    }\n\n    return event.shiftKey;\n  }\n\n  /**\n   * Handles te mousedown event, setting up for a new selection.\n   * @param event The mousedown event.\n   */\n  public handleMouseDown(event: MouseEvent): void {\n    this._mouseDownTimeStamp = event.timeStamp;\n    // If we have selection, we want the context menu on right click even if the\n    // terminal is in mouse mode.\n    if (event.button === 2 && this.hasSelection) {\n      return;\n    }\n\n    // Only action the primary button\n    if (event.button !== 0) {\n      return;\n    }\n\n    // Allow selection when using a specific modifier key, even when disabled\n    if (!this._enabled) {\n      if (!this.shouldForceSelection(event)) {\n        return;\n      }\n\n      // Don't send the mouse down event to the current process, we want to select\n      event.stopPropagation();\n    }\n\n    // Tell the browser not to start a regular selection\n    event.preventDefault();\n\n    // Reset drag scroll state\n    this._dragScrollAmount = 0;\n\n    if (this._enabled && event.shiftKey) {\n      this._handleIncrementalClick(event);\n    } else {\n      if (event.detail === 1) {\n        this._handleSingleClick(event);\n      } else if (event.detail === 2) {\n        this._handleDoubleClick(event);\n      } else if (event.detail === 3) {\n        this._handleTripleClick(event);\n      }\n    }\n\n    this._addMouseDownListeners();\n    this.refresh(true);\n  }\n\n  /**\n   * Adds listeners when mousedown is triggered.\n   */\n  private _addMouseDownListeners(): void {\n    // Listen on the document so that dragging outside of viewport works\n    if (this._screenElement.ownerDocument) {\n      this._screenElement.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n      this._screenElement.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n    }\n    this._dragScrollIntervalTimer = this._coreBrowserService.window.setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n  }\n\n  /**\n   * Removes the listeners that are registered when mousedown is triggered.\n   */\n  private _removeMouseDownListeners(): void {\n    if (this._screenElement.ownerDocument) {\n      this._screenElement.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n      this._screenElement.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n    }\n    this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer);\n    this._dragScrollIntervalTimer = undefined;\n  }\n\n  /**\n   * Performs an incremental click, setting the selection end position to the mouse\n   * position.\n   * @param event The mouse event.\n   */\n  private _handleIncrementalClick(event: MouseEvent): void {\n    if (this._model.selectionStart) {\n      this._model.selectionEnd = this._getMouseBufferCoords(event);\n    }\n  }\n\n  /**\n   * Performs a single click, resetting relevant state and setting the selection\n   * start position.\n   * @param event The mouse event.\n   */\n  private _handleSingleClick(event: MouseEvent): void {\n    this._model.selectionStartLength = 0;\n    this._model.isSelectAllActive = false;\n    this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;\n\n    // Initialize the new selection\n    this._model.selectionStart = this._getMouseBufferCoords(event);\n    if (!this._model.selectionStart) {\n      return;\n    }\n    this._model.selectionEnd = undefined;\n\n    // Ensure the line exists\n    const line = this._bufferService.buffer.lines.get(this._model.selectionStart[1]);\n    if (!line) {\n      return;\n    }\n\n    // Return early if the click event is not in the buffer (eg. in scroll bar)\n    if (line.length === this._model.selectionStart[0]) {\n      return;\n    }\n\n    // If the mouse is over the second half of a wide character, adjust the\n    // selection to cover the whole character\n    if (line.hasWidth(this._model.selectionStart[0]) === 0) {\n      this._model.selectionStart[0]++;\n    }\n  }\n\n  /**\n   * Performs a double click, selecting the current word.\n   * @param event The mouse event.\n   */\n  private _handleDoubleClick(event: MouseEvent): void {\n    if (this._selectWordAtCursor(event, true)) {\n      this._activeSelectionMode = SelectionMode.WORD;\n    }\n  }\n\n  /**\n   * Performs a triple click, selecting the current line and activating line\n   * select mode.\n   * @param event The mouse event.\n   */\n  private _handleTripleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.LINE;\n      this._selectLineAt(coords[1]);\n    }\n  }\n\n  /**\n   * Returns whether the selection manager should operate in column select mode\n   * @param event the mouse or keyboard event\n   */\n  public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {\n    return event.altKey && !(Browser.isMac && this._optionsService.rawOptions.macOptionClickForcesSelection);\n  }\n\n  /**\n   * Handles the mousemove event when the mouse button is down, recording the\n   * end of the selection and refreshing the selection.\n   * @param event The mousemove event.\n   */\n  private _handleMouseMove(event: MouseEvent): void {\n    // If the mousemove listener is active it means that a selection is\n    // currently being made, we should stop propagation to prevent mouse events\n    // to be sent to the pty.\n    event.stopImmediatePropagation();\n\n    // Do nothing if there is no selection start, this can happen if the first\n    // click in the terminal is an incremental click\n    if (!this._model.selectionStart) {\n      return;\n    }\n\n    // Record the previous position so we know whether to redraw the selection\n    // at the end.\n    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n    // Set the initial selection end based on the mouse coordinates\n    this._model.selectionEnd = this._getMouseBufferCoords(event);\n    if (!this._model.selectionEnd) {\n      this.refresh(true);\n      return;\n    }\n\n    // Select the entire line if line select mode is active.\n    if (this._activeSelectionMode === SelectionMode.LINE) {\n      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n        this._model.selectionEnd[0] = 0;\n      } else {\n        this._model.selectionEnd[0] = this._bufferService.cols;\n      }\n    } else if (this._activeSelectionMode === SelectionMode.WORD) {\n      this._selectToWordAt(this._model.selectionEnd);\n    }\n\n    // Determine the amount of scrolling that will happen.\n    this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n    // If the cursor was above or below the viewport, make sure it's at the\n    // start or end of the viewport respectively. This should only happen when\n    // NOT in column select mode.\n    if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n      if (this._dragScrollAmount > 0) {\n        this._model.selectionEnd[0] = this._bufferService.cols;\n      } else if (this._dragScrollAmount < 0) {\n        this._model.selectionEnd[0] = 0;\n      }\n    }\n\n    // If the character is a wide character include the cell to the right in the\n    // selection. Note that selections at the very end of the line will never\n    // have a character.\n    const buffer = this._bufferService.buffer;\n    if (this._model.selectionEnd[1] < buffer.lines.length) {\n      const line = buffer.lines.get(this._model.selectionEnd[1]);\n      if (line && line.hasWidth(this._model.selectionEnd[0]) === 0) {\n        this._model.selectionEnd[0]++;\n      }\n    }\n\n    // Only draw here if the selection changes.\n    if (!previousSelectionEnd ||\n      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n      this.refresh(true);\n    }\n  }\n\n  /**\n   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n   * scrolling of the viewport.\n   */\n  private _dragScroll(): void {\n    if (!this._model.selectionEnd || !this._model.selectionStart) {\n      return;\n    }\n    if (this._dragScrollAmount) {\n      this._onRequestScrollLines.fire({ amount: this._dragScrollAmount, suppressScrollEvent: false });\n      // Re-evaluate selection\n      // If the cursor was above or below the viewport, make sure it's at the\n      // start or end of the viewport respectively. This should only happen when\n      // NOT in column select mode.\n      const buffer = this._bufferService.buffer;\n      if (this._dragScrollAmount > 0) {\n        if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n          this._model.selectionEnd[0] = this._bufferService.cols;\n        }\n        this._model.selectionEnd[1] = Math.min(buffer.ydisp + this._bufferService.rows, buffer.lines.length - 1);\n      } else {\n        if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n          this._model.selectionEnd[0] = 0;\n        }\n        this._model.selectionEnd[1] = buffer.ydisp;\n      }\n      this.refresh();\n    }\n  }\n\n  /**\n   * Handles the mouseup event, removing the mousedown listeners.\n   * @param event The mouseup event.\n   */\n  private _handleMouseUp(event: MouseEvent): void {\n    const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;\n\n    this._removeMouseDownListeners();\n\n    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME && event.altKey && this._optionsService.rawOptions.altClickMovesCursor) {\n      if (this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {\n        const coordinates = this._mouseService.getCoords(\n          event,\n          this._element,\n          this._bufferService.cols,\n          this._bufferService.rows,\n          false\n        );\n        if (coordinates && coordinates[0] !== undefined && coordinates[1] !== undefined) {\n          const sequence = moveToCellSequence(coordinates[0] - 1, coordinates[1] - 1, this._bufferService, this._coreService.decPrivateModes.applicationCursorKeys);\n          this._coreService.triggerDataEvent(sequence, true);\n        }\n      }\n    } else {\n      this._fireEventIfSelectionChanged();\n    }\n  }\n\n  private _fireEventIfSelectionChanged(): void {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    const hasSelection = !!start && !!end && (start[0] !== end[0] || start[1] !== end[1]);\n\n    if (!hasSelection) {\n      if (this._oldHasSelection) {\n        this._fireOnSelectionChange(start, end, hasSelection);\n      }\n      return;\n    }\n\n    // Sanity check, these should not be undefined as there is a selection\n    if (!start || !end) {\n      return;\n    }\n\n    if (!this._oldSelectionStart || !this._oldSelectionEnd || (\n      start[0] !== this._oldSelectionStart[0] || start[1] !== this._oldSelectionStart[1] ||\n      end[0] !== this._oldSelectionEnd[0] || end[1] !== this._oldSelectionEnd[1])) {\n\n      this._fireOnSelectionChange(start, end, hasSelection);\n    }\n  }\n\n  private _fireOnSelectionChange(start: [number, number] | undefined, end: [number, number] | undefined, hasSelection: boolean): void {\n    this._oldSelectionStart = start;\n    this._oldSelectionEnd = end;\n    this._oldHasSelection = hasSelection;\n    this._onSelectionChange.fire();\n  }\n\n  private _handleBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {\n    this.clearSelection();\n    // Only adjust the selection on trim, shiftElements is rarely used (only in\n    // reverseIndex) and delete in a splice is only ever used when the same\n    // number of elements was just added. Given this is could actually be\n    // beneficial to leave the selection as is for these cases.\n    this._trimListener.dispose();\n    this._trimListener = e.activeBuffer.lines.onTrim(amount => this._handleTrim(amount));\n  }\n\n  /**\n   * Converts a viewport column (0 to cols - 1) to the character index on the\n   * buffer line, the latter takes into account wide and null characters.\n   * @param bufferLine The buffer line to use.\n   * @param x The x index in the buffer line to convert.\n   */\n  private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, x: number): number {\n    let charIndex = x;\n    for (let i = 0; x >= i; i++) {\n      const length = bufferLine.loadCell(i, this._workCell).getChars().length;\n      if (this._workCell.getWidth() === 0) {\n        // Wide characters aren't included in the line string so decrement the\n        // index so the index is back on the wide character.\n        charIndex--;\n      } else if (length > 1 && x !== i) {\n        // Emojis take up multiple characters, so adjust accordingly. For these\n        // we don't want ot include the character at the column as we're\n        // returning the start index in the string, not the end index.\n        charIndex += length - 1;\n      }\n    }\n    return charIndex;\n  }\n\n  public setSelection(col: number, row: number, length: number): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this._model.selectionStart = [col, row];\n    this._model.selectionStartLength = length;\n    this.refresh();\n    this._fireEventIfSelectionChanged();\n  }\n\n  public rightClickSelect(ev: MouseEvent): void {\n    if (!this._isClickInSelection(ev)) {\n      if (this._selectWordAtCursor(ev, false)) {\n        this.refresh(true);\n      }\n      this._fireEventIfSelectionChanged();\n    }\n  }\n\n  /**\n   * Gets positional information for the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition | undefined {\n    // Ensure coords are within viewport (eg. not within scroll bar)\n    if (coords[0] >= this._bufferService.cols) {\n      return undefined;\n    }\n\n    const buffer = this._bufferService.buffer;\n    const bufferLine = buffer.lines.get(coords[1]);\n    if (!bufferLine) {\n      return undefined;\n    }\n\n    const line = buffer.translateBufferLineToString(coords[1], false);\n\n    // Get actual index, taking into consideration wide characters\n    let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords[0]);\n    let endIndex = startIndex;\n\n    // Record offset to be used later\n    const charOffset = coords[0] - startIndex;\n    let leftWideCharCount = 0;\n    let rightWideCharCount = 0;\n    let leftLongCharOffset = 0;\n    let rightLongCharOffset = 0;\n\n    if (line.charAt(startIndex) === ' ') {\n      // Expand until non-whitespace is hit\n      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n        startIndex--;\n      }\n      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n        endIndex++;\n      }\n    } else {\n      // Expand until whitespace is hit. This algorithm works by scanning left\n      // and right from the starting position, keeping both the index format\n      // (line) and the column format (bufferLine) in sync. When a wide\n      // character is hit, it is recorded and the column index is adjusted.\n      let startCol = coords[0];\n      let endCol = coords[0];\n\n      // Consider the initial position, skip it and increment the wide char\n      // variable\n      if (bufferLine.getWidth(startCol) === 0) {\n        leftWideCharCount++;\n        startCol--;\n      }\n      if (bufferLine.getWidth(endCol) === 2) {\n        rightWideCharCount++;\n        endCol++;\n      }\n\n      // Adjust the end index for characters whose length are > 1 (emojis)\n      const length = bufferLine.getString(endCol).length;\n      if (length > 1) {\n        rightLongCharOffset += length - 1;\n        endIndex += length - 1;\n      }\n\n      // Expand the string in both directions until a space is hit\n      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {\n        bufferLine.loadCell(startCol - 1, this._workCell);\n        const length = this._workCell.getChars().length;\n        if (this._workCell.getWidth() === 0) {\n          // If the next character is a wide char, record it and skip the column\n          leftWideCharCount++;\n          startCol--;\n        } else if (length > 1) {\n          // If the next character's string is longer than 1 char (eg. emoji),\n          // adjust the index\n          leftLongCharOffset += length - 1;\n          startIndex -= length - 1;\n        }\n        startIndex--;\n        startCol--;\n      }\n      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {\n        bufferLine.loadCell(endCol + 1, this._workCell);\n        const length = this._workCell.getChars().length;\n        if (this._workCell.getWidth() === 2) {\n          // If the next character is a wide char, record it and skip the column\n          rightWideCharCount++;\n          endCol++;\n        } else if (length > 1) {\n          // If the next character's string is longer than 1 char (eg. emoji),\n          // adjust the index\n          rightLongCharOffset += length - 1;\n          endIndex += length - 1;\n        }\n        endIndex++;\n        endCol++;\n      }\n    }\n\n    // Incremenet the end index so it is at the start of the next character\n    endIndex++;\n\n    // Calculate the start _column_, converting the the string indexes back to\n    // column coordinates.\n    let start =\n        startIndex // The index of the selection's start char in the line string\n        + charOffset // The difference between the initial char's column and index\n        - leftWideCharCount // The number of wide chars left of the initial char\n        + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n\n    // Calculate the length in _columns_, converting the the string indexes back\n    // to column coordinates.\n    let length = Math.min(this._bufferService.cols, // Disallow lengths larger than the terminal cols\n      endIndex // The index of the selection's end char in the line string\n      - startIndex // The index of the selection's start char in the line string\n      + leftWideCharCount // The number of wide chars left of the initial char\n      + rightWideCharCount // The number of wide chars right of the initial char (inclusive)\n      - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n      - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)\n\n    if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {\n      return undefined;\n    }\n\n    // Recurse upwards if the line is wrapped and the word wraps to the above line\n    if (followWrappedLinesAbove) {\n      if (start === 0 && bufferLine.getCodePoint(0) !== 32 /* ' ' */) {\n        const previousBufferLine = buffer.lines.get(coords[1] - 1);\n        if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {\n          const previousLineWordPosition = this._getWordAt([this._bufferService.cols - 1, coords[1] - 1], false, true, false);\n          if (previousLineWordPosition) {\n            const offset = this._bufferService.cols - previousLineWordPosition.start;\n            start -= offset;\n            length += offset;\n          }\n        }\n      }\n    }\n\n    // Recurse downwards if the line is wrapped and the word wraps to the next line\n    if (followWrappedLinesBelow) {\n      if (start + length === this._bufferService.cols && bufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {\n        const nextBufferLine = buffer.lines.get(coords[1] + 1);\n        if (nextBufferLine?.isWrapped && nextBufferLine.getCodePoint(0) !== 32 /* ' ' */) {\n          const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);\n          if (nextLineWordPosition) {\n            length += nextLineWordPosition.length;\n          }\n        }\n      }\n    }\n\n    return { start, length };\n  }\n\n  /**\n   * Selects the word at the coordinates specified.\n   * @param coords The coordinates to get the word at.\n   * @param allowWhitespaceOnlySelection If whitespace should be selected\n   */\n  protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {\n    const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);\n    if (wordPosition) {\n      // Adjust negative start value\n      while (wordPosition.start < 0) {\n        wordPosition.start += this._bufferService.cols;\n        coords[1]--;\n      }\n      this._model.selectionStart = [wordPosition.start, coords[1]];\n      this._model.selectionStartLength = wordPosition.length;\n    }\n  }\n\n  /**\n   * Sets the selection end to the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _selectToWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords, true);\n    if (wordPosition) {\n      let endRow = coords[1];\n\n      // Adjust negative start value\n      while (wordPosition.start < 0) {\n        wordPosition.start += this._bufferService.cols;\n        endRow--;\n      }\n\n      // Adjust wrapped length value, this only needs to happen when values are reversed as in that\n      // case we're interested in the start of the word, not the end\n      if (!this._model.areSelectionValuesReversed()) {\n        while (wordPosition.start + wordPosition.length > this._bufferService.cols) {\n          wordPosition.length -= this._bufferService.cols;\n          endRow++;\n        }\n      }\n\n      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];\n    }\n  }\n\n  /**\n   * Gets whether the character is considered a word separator by the select\n   * word logic.\n   * @param cell The cell to check.\n   */\n  private _isCharWordSeparator(cell: CellData): boolean {\n    // Zero width characters are never separators as they are always to the\n    // right of wide characters\n    if (cell.getWidth() === 0) {\n      return false;\n    }\n    return this._optionsService.rawOptions.wordSeparator.indexOf(cell.getChars()) >= 0;\n  }\n\n  /**\n   * Selects the line specified.\n   * @param line The line index.\n   */\n  protected _selectLineAt(line: number): void {\n    const wrappedRange = this._bufferService.buffer.getWrappedRangeForLine(line);\n    const range: IBufferRange = {\n      start: { x: 0, y: wrappedRange.first },\n      end: { x: this._bufferService.cols - 1, y: wrappedRange.last }\n    };\n    this._model.selectionStart = [0, wrappedRange.first];\n    this._model.selectionEnd = undefined;\n    this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IEvent } from 'common/EventEmitter';\nimport { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';\nimport { IColorSet, ReadonlyColorSet } from 'browser/Types';\nimport { ISelectionRedrawRequestEvent as ISelectionRequestRedrawEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\nimport { AllColorIndex, IDisposable } from 'common/Types';\n\nexport const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');\nexport interface ICharSizeService {\n  serviceBrand: undefined;\n\n  readonly width: number;\n  readonly height: number;\n  readonly hasValidSize: boolean;\n\n  readonly onCharSizeChange: IEvent<void>;\n\n  measure(): void;\n}\n\nexport const ICoreBrowserService = createDecorator<ICoreBrowserService>('CoreBrowserService');\nexport interface ICoreBrowserService {\n  serviceBrand: undefined;\n\n  readonly isFocused: boolean;\n  /**\n   * Parent window that the terminal is rendered into. DOM and rendering APIs\n   * (e.g. requestAnimationFrame) should be invoked in the context of this\n   * window.\n   */\n  readonly window: Window & typeof globalThis;\n  /**\n   * Helper for getting the devicePixelRatio of the parent window.\n   */\n  readonly dpr: number;\n}\n\nexport const IMouseService = createDecorator<IMouseService>('MouseService');\nexport interface IMouseService {\n  serviceBrand: undefined;\n\n  getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined;\n  getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined;\n}\n\nexport const IRenderService = createDecorator<IRenderService>('RenderService');\nexport interface IRenderService extends IDisposable {\n  serviceBrand: undefined;\n\n  onDimensionsChange: IEvent<IRenderDimensions>;\n  /**\n   * Fires when buffer changes are rendered. This does not fire when only cursor\n   * or selections are rendered.\n   */\n  onRenderedViewportChange: IEvent<{ start: number, end: number }>;\n  /**\n   * Fires on render\n   */\n  onRender: IEvent<{ start: number, end: number }>;\n  onRefreshRequest: IEvent<{ start: number, end: number }>;\n\n  dimensions: IRenderDimensions;\n\n  addRefreshCallback(callback: FrameRequestCallback): number;\n\n  refreshRows(start: number, end: number): void;\n  clearTextureAtlas(): void;\n  resize(cols: number, rows: number): void;\n  hasRenderer(): boolean;\n  setRenderer(renderer: IRenderer): void;\n  handleDevicePixelRatioChange(): void;\n  handleResize(cols: number, rows: number): void;\n  handleCharSizeChanged(): void;\n  handleBlur(): void;\n  handleFocus(): void;\n  handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void;\n  handleCursorMove(): void;\n  clear(): void;\n}\n\nexport const ISelectionService = createDecorator<ISelectionService>('SelectionService');\nexport interface ISelectionService {\n  serviceBrand: undefined;\n\n  readonly selectionText: string;\n  readonly hasSelection: boolean;\n  readonly selectionStart: [number, number] | undefined;\n  readonly selectionEnd: [number, number] | undefined;\n\n  readonly onLinuxMouseSelection: IEvent<string>;\n  readonly onRequestRedraw: IEvent<ISelectionRequestRedrawEvent>;\n  readonly onRequestScrollLines: IEvent<ISelectionRequestScrollLinesEvent>;\n  readonly onSelectionChange: IEvent<void>;\n\n  disable(): void;\n  enable(): void;\n  reset(): void;\n  setSelection(row: number, col: number, length: number): void;\n  selectAll(): void;\n  selectLines(start: number, end: number): void;\n  clearSelection(): void;\n  rightClickSelect(event: MouseEvent): void;\n  shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean;\n  shouldForceSelection(event: MouseEvent): boolean;\n  refresh(isLinuxMouseSelection?: boolean): void;\n  handleMouseDown(event: MouseEvent): void;\n  isCellInSelection(x: number, y: number): boolean;\n}\n\nexport const ICharacterJoinerService = createDecorator<ICharacterJoinerService>('CharacterJoinerService');\nexport interface ICharacterJoinerService {\n  serviceBrand: undefined;\n\n  register(handler: (text: string) => [number, number][]): number;\n  deregister(joinerId: number): boolean;\n  getJoinedCharacters(row: number): [number, number][];\n}\n\nexport const IThemeService = createDecorator<IThemeService>('ThemeService');\nexport interface IThemeService {\n  serviceBrand: undefined;\n\n  readonly colors: ReadonlyColorSet;\n\n  readonly onChangeColors: IEvent<ReadonlyColorSet>;\n\n  restoreColor(slot?: AllColorIndex): void;\n  /**\n   * Allows external modifying of colors in the theme, this is used instead of {@link colors} to\n   * prevent accidental writes.\n   */\n  modifyColors(callback: (colors: IColorSet) => void): void;\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ColorContrastCache } from 'browser/ColorContrastCache';\nimport { IThemeService } from 'browser/services/Services';\nimport { IColorContrastCache, IColorSet, ReadonlyColorSet } from 'browser/Types';\nimport { channels, color, css, NULL_COLOR } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IOptionsService, ITheme } from 'common/services/Services';\nimport { AllColorIndex, IColor, SpecialColorIndex } from 'common/Types';\n\ninterface IRestoreColorSet {\n  foreground: IColor;\n  background: IColor;\n  cursor: IColor;\n  ansi: IColor[];\n}\n\n\nconst DEFAULT_FOREGROUND = css.toColor('#ffffff');\nconst DEFAULT_BACKGROUND = css.toColor('#000000');\nconst DEFAULT_CURSOR = css.toColor('#ffffff');\nconst DEFAULT_CURSOR_ACCENT = css.toColor('#000000');\nconst DEFAULT_SELECTION = {\n  css: 'rgba(255, 255, 255, 0.3)',\n  rgba: 0xFFFFFF4D\n};\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n  const colors = [\n    // dark:\n    css.toColor('#2e3436'),\n    css.toColor('#cc0000'),\n    css.toColor('#4e9a06'),\n    css.toColor('#c4a000'),\n    css.toColor('#3465a4'),\n    css.toColor('#75507b'),\n    css.toColor('#06989a'),\n    css.toColor('#d3d7cf'),\n    // bright:\n    css.toColor('#555753'),\n    css.toColor('#ef2929'),\n    css.toColor('#8ae234'),\n    css.toColor('#fce94f'),\n    css.toColor('#729fcf'),\n    css.toColor('#ad7fa8'),\n    css.toColor('#34e2e2'),\n    css.toColor('#eeeeec')\n  ];\n\n  // Fill in the remaining 240 ANSI colors.\n  // Generate colors (16-231)\n  const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n  for (let i = 0; i < 216; i++) {\n    const r = v[(i / 36) % 6 | 0];\n    const g = v[(i / 6) % 6 | 0];\n    const b = v[i % 6];\n    colors.push({\n      css: channels.toCss(r, g, b),\n      rgba: channels.toRgba(r, g, b)\n    });\n  }\n\n  // Generate greys (232-255)\n  for (let i = 0; i < 24; i++) {\n    const c = 8 + i * 10;\n    colors.push({\n      css: channels.toCss(c, c, c),\n      rgba: channels.toRgba(c, c, c)\n    });\n  }\n\n  return colors;\n})());\n\nexport class ThemeService extends Disposable implements IThemeService {\n  public serviceBrand: undefined;\n\n  private _colors: IColorSet;\n  private _contrastCache: IColorContrastCache = new ColorContrastCache();\n  private _halfContrastCache: IColorContrastCache = new ColorContrastCache();\n  private _restoreColors!: IRestoreColorSet;\n\n  public get colors(): ReadonlyColorSet { return this._colors; }\n\n  private readonly _onChangeColors = this.register(new EventEmitter<ReadonlyColorSet>());\n  public readonly onChangeColors = this._onChangeColors.event;\n\n  constructor(\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n\n    this._colors = {\n      foreground: DEFAULT_FOREGROUND,\n      background: DEFAULT_BACKGROUND,\n      cursor: DEFAULT_CURSOR,\n      cursorAccent: DEFAULT_CURSOR_ACCENT,\n      selectionForeground: undefined,\n      selectionBackgroundTransparent: DEFAULT_SELECTION,\n      selectionBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n      selectionInactiveBackgroundTransparent: DEFAULT_SELECTION,\n      selectionInactiveBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n      ansi: DEFAULT_ANSI_COLORS.slice(),\n      contrastCache: this._contrastCache,\n      halfContrastCache: this._halfContrastCache\n    };\n    this._updateRestoreColors();\n    this._setTheme(this._optionsService.rawOptions.theme);\n\n    this.register(this._optionsService.onSpecificOptionChange('minimumContrastRatio', () => this._contrastCache.clear()));\n    this.register(this._optionsService.onSpecificOptionChange('theme', () => this._setTheme(this._optionsService.rawOptions.theme)));\n  }\n\n  /**\n   * Sets the terminal's theme.\n   * @param theme The  theme to use. If a partial theme is provided then default\n   * colors will be used where colors are not defined.\n   */\n  private _setTheme(theme: ITheme = {}): void {\n    const colors = this._colors;\n    colors.foreground = parseColor(theme.foreground, DEFAULT_FOREGROUND);\n    colors.background = parseColor(theme.background, DEFAULT_BACKGROUND);\n    colors.cursor = parseColor(theme.cursor, DEFAULT_CURSOR);\n    colors.cursorAccent = parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT);\n    colors.selectionBackgroundTransparent = parseColor(theme.selectionBackground, DEFAULT_SELECTION);\n    colors.selectionBackgroundOpaque = color.blend(colors.background, colors.selectionBackgroundTransparent);\n    colors.selectionInactiveBackgroundTransparent = parseColor(theme.selectionInactiveBackground, colors.selectionBackgroundTransparent);\n    colors.selectionInactiveBackgroundOpaque = color.blend(colors.background, colors.selectionInactiveBackgroundTransparent);\n    colors.selectionForeground = theme.selectionForeground ? parseColor(theme.selectionForeground, NULL_COLOR) : undefined;\n    if (colors.selectionForeground === NULL_COLOR) {\n      colors.selectionForeground = undefined;\n    }\n\n    /**\n     * If selection color is opaque, blend it with background with 0.3 opacity\n     * Issue #2737\n     */\n    if (color.isOpaque(colors.selectionBackgroundTransparent)) {\n      const opacity = 0.3;\n      colors.selectionBackgroundTransparent = color.opacity(colors.selectionBackgroundTransparent, opacity);\n    }\n    if (color.isOpaque(colors.selectionInactiveBackgroundTransparent)) {\n      const opacity = 0.3;\n      colors.selectionInactiveBackgroundTransparent = color.opacity(colors.selectionInactiveBackgroundTransparent, opacity);\n    }\n    colors.ansi = DEFAULT_ANSI_COLORS.slice();\n    colors.ansi[0] = parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);\n    colors.ansi[1] = parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);\n    colors.ansi[2] = parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);\n    colors.ansi[3] = parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);\n    colors.ansi[4] = parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);\n    colors.ansi[5] = parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);\n    colors.ansi[6] = parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);\n    colors.ansi[7] = parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);\n    colors.ansi[8] = parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);\n    colors.ansi[9] = parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);\n    colors.ansi[10] = parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);\n    colors.ansi[11] = parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);\n    colors.ansi[12] = parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);\n    colors.ansi[13] = parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);\n    colors.ansi[14] = parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);\n    colors.ansi[15] = parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);\n    if (theme.extendedAnsi) {\n      const colorCount = Math.min(colors.ansi.length - 16, theme.extendedAnsi.length);\n      for (let i = 0; i < colorCount; i++) {\n        colors.ansi[i + 16] = parseColor(theme.extendedAnsi[i], DEFAULT_ANSI_COLORS[i + 16]);\n      }\n    }\n    // Clear our the cache\n    this._contrastCache.clear();\n    this._halfContrastCache.clear();\n    this._updateRestoreColors();\n    this._onChangeColors.fire(this.colors);\n  }\n\n  public restoreColor(slot?: AllColorIndex): void {\n    this._restoreColor(slot);\n    this._onChangeColors.fire(this.colors);\n  }\n\n  private _restoreColor(slot: AllColorIndex | undefined): void {\n    // unset slot restores all ansi colors\n    if (slot === undefined) {\n      for (let i = 0; i < this._restoreColors.ansi.length; ++i) {\n        this._colors.ansi[i] = this._restoreColors.ansi[i];\n      }\n      return;\n    }\n    switch (slot) {\n      case SpecialColorIndex.FOREGROUND:\n        this._colors.foreground = this._restoreColors.foreground;\n        break;\n      case SpecialColorIndex.BACKGROUND:\n        this._colors.background = this._restoreColors.background;\n        break;\n      case SpecialColorIndex.CURSOR:\n        this._colors.cursor = this._restoreColors.cursor;\n        break;\n      default:\n        this._colors.ansi[slot] = this._restoreColors.ansi[slot];\n    }\n  }\n\n  public modifyColors(callback: (colors: IColorSet) => void): void {\n    callback(this._colors);\n    // Assume the change happened\n    this._onChangeColors.fire(this.colors);\n  }\n\n  private _updateRestoreColors(): void {\n    this._restoreColors = {\n      foreground: this._colors.foreground,\n      background: this._colors.background,\n      cursor: this._colors.cursor,\n      ansi: this._colors.ansi.slice()\n    };\n  }\n}\n\nfunction parseColor(\n  cssString: string | undefined,\n  fallback: IColor\n): IColor {\n  if (cssString !== undefined) {\n    try {\n      return css.toColor(cssString);\n    } catch {\n      // no-op\n    }\n  }\n  return fallback;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICircularList } from 'common/Types';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\n\nexport interface IInsertEvent {\n  index: number;\n  amount: number;\n}\n\nexport interface IDeleteEvent {\n  index: number;\n  amount: number;\n}\n\n/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n */\nexport class CircularList<T> extends Disposable implements ICircularList<T> {\n  protected _array: (T | undefined)[];\n  private _startIndex: number;\n  private _length: number;\n\n  public readonly onDeleteEmitter = this.register(new EventEmitter<IDeleteEvent>());\n  public readonly onDelete = this.onDeleteEmitter.event;\n  public readonly onInsertEmitter = this.register(new EventEmitter<IInsertEvent>());\n  public readonly onInsert = this.onInsertEmitter.event;\n  public readonly onTrimEmitter = this.register(new EventEmitter<number>());\n  public readonly onTrim = this.onTrimEmitter.event;\n\n  constructor(\n    private _maxLength: number\n  ) {\n    super();\n    this._array = new Array<T>(this._maxLength);\n    this._startIndex = 0;\n    this._length = 0;\n  }\n\n  public get maxLength(): number {\n    return this._maxLength;\n  }\n\n  public set maxLength(newMaxLength: number) {\n    // There was no change in maxLength, return early.\n    if (this._maxLength === newMaxLength) {\n      return;\n    }\n\n    // Reconstruct array, starting at index 0. Only transfer values from the\n    // indexes 0 to length.\n    const newArray = new Array<T | undefined>(newMaxLength);\n    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n      newArray[i] = this._array[this._getCyclicIndex(i)];\n    }\n    this._array = newArray;\n    this._maxLength = newMaxLength;\n    this._startIndex = 0;\n  }\n\n  public get length(): number {\n    return this._length;\n  }\n\n  public set length(newLength: number) {\n    if (newLength > this._length) {\n      for (let i = this._length; i < newLength; i++) {\n        this._array[i] = undefined;\n      }\n    }\n    this._length = newLength;\n  }\n\n  /**\n   * Gets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index of the value to get.\n   * @returns The value corresponding to the index.\n   */\n  public get(index: number): T | undefined {\n    return this._array[this._getCyclicIndex(index)];\n  }\n\n  /**\n   * Sets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index to set.\n   * @param value The value to set.\n   */\n  public set(index: number, value: T | undefined): void {\n    this._array[this._getCyclicIndex(index)] = value;\n  }\n\n  /**\n   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n   * if the maximum length is reached.\n   * @param value The value to push onto the list.\n   */\n  public push(value: T): void {\n    this._array[this._getCyclicIndex(this._length)] = value;\n    if (this._length === this._maxLength) {\n      this._startIndex = ++this._startIndex % this._maxLength;\n      this.onTrimEmitter.fire(1);\n    } else {\n      this._length++;\n    }\n  }\n\n  /**\n   * Advance ringbuffer index and return current element for recycling.\n   * Note: The buffer must be full for this method to work.\n   * @throws When the buffer is not full.\n   */\n  public recycle(): T {\n    if (this._length !== this._maxLength) {\n      throw new Error('Can only recycle when the buffer is full');\n    }\n    this._startIndex = ++this._startIndex % this._maxLength;\n    this.onTrimEmitter.fire(1);\n    return this._array[this._getCyclicIndex(this._length - 1)]!;\n  }\n\n  /**\n   * Ringbuffer is at max length.\n   */\n  public get isFull(): boolean {\n    return this._length === this._maxLength;\n  }\n\n  /**\n   * Removes and returns the last value on the list.\n   * @returns The popped value.\n   */\n  public pop(): T | undefined {\n    return this._array[this._getCyclicIndex(this._length-- - 1)];\n  }\n\n  /**\n   * Deletes and/or inserts items at a particular index (in that order). Unlike\n   * Array.prototype.splice, this operation does not return the deleted items as a new array in\n   * order to save creating a new array. Note that this operation may shift all values in the list\n   * in the worst case.\n   * @param start The index to delete and/or insert.\n   * @param deleteCount The number of elements to delete.\n   * @param items The items to insert.\n   */\n  public splice(start: number, deleteCount: number, ...items: T[]): void {\n    // Delete items\n    if (deleteCount) {\n      for (let i = start; i < this._length - deleteCount; i++) {\n        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n      }\n      this._length -= deleteCount;\n      this.onDeleteEmitter.fire({ index: start, amount: deleteCount });\n    }\n\n    // Add items\n    for (let i = this._length - 1; i >= start; i--) {\n      this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n    }\n    for (let i = 0; i < items.length; i++) {\n      this._array[this._getCyclicIndex(start + i)] = items[i];\n    }\n    if (items.length) {\n      this.onInsertEmitter.fire({ index: start, amount: items.length });\n    }\n\n    // Adjust length as needed\n    if (this._length + items.length > this._maxLength) {\n      const countToTrim = (this._length + items.length) - this._maxLength;\n      this._startIndex += countToTrim;\n      this._length = this._maxLength;\n      this.onTrimEmitter.fire(countToTrim);\n    } else {\n      this._length += items.length;\n    }\n  }\n\n  /**\n   * Trims a number of items from the start of the list.\n   * @param count The number of items to remove.\n   */\n  public trimStart(count: number): void {\n    if (count > this._length) {\n      count = this._length;\n    }\n    this._startIndex += count;\n    this._length -= count;\n    this.onTrimEmitter.fire(count);\n  }\n\n  public shiftElements(start: number, count: number, offset: number): void {\n    if (count <= 0) {\n      return;\n    }\n    if (start < 0 || start >= this._length) {\n      throw new Error('start argument out of range');\n    }\n    if (start + offset < 0) {\n      throw new Error('Cannot shift elements in list beyond index 0');\n    }\n\n    if (offset > 0) {\n      for (let i = count - 1; i >= 0; i--) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n      const expandListBy = (start + count + offset) - this._length;\n      if (expandListBy > 0) {\n        this._length += expandListBy;\n        while (this._length > this._maxLength) {\n          this._length--;\n          this._startIndex++;\n          this.onTrimEmitter.fire(1);\n        }\n      }\n    } else {\n      for (let i = 0; i < count; i++) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n    }\n  }\n\n  /**\n   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n   * backing array to get the element associated with the regular index.\n   * @param index The regular index.\n   * @returns The cyclic index.\n   */\n  private _getCyclicIndex(index: number): number {\n    return (this._startIndex + index) % this._maxLength;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/*\n * A simple utility for cloning values\n */\nexport function clone<T>(val: T, depth: number = 5): T {\n  if (typeof val !== 'object') {\n    return val;\n  }\n\n  // If we're cloning an array, use an array as the base, otherwise use an object\n  const clonedObject: any = Array.isArray(val) ? [] : {};\n\n  for (const key in val) {\n    // Recursively clone eack item unless we're at the maximum depth\n    clonedObject[key] = depth <= 1 ? val[key] : (val[key] && clone(val[key], depth - 1));\n  }\n\n  return clonedObject as T;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { isNode } from 'common/Platform';\nimport { IColor, IColorRGB } from 'common/Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n  css: '#00000000',\n  rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n  export function toCss(r: number, g: number, b: number, a?: number): string {\n    if (a !== undefined) {\n      return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n    }\n    return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n  }\n\n  export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n    // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n    // on LE systems, before it can be used for direct 32-bit buffer writes.\n    // >>> 0 forces an unsigned int\n    return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n  }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n  export function blend(bg: IColor, fg: IColor): IColor {\n    $a = (fg.rgba & 0xFF) / 255;\n    if ($a === 1) {\n      return {\n        css: fg.css,\n        rgba: fg.rgba\n      };\n    }\n    const fgR = (fg.rgba >> 24) & 0xFF;\n    const fgG = (fg.rgba >> 16) & 0xFF;\n    const fgB = (fg.rgba >> 8) & 0xFF;\n    const bgR = (bg.rgba >> 24) & 0xFF;\n    const bgG = (bg.rgba >> 16) & 0xFF;\n    const bgB = (bg.rgba >> 8) & 0xFF;\n    $r = bgR + Math.round((fgR - bgR) * $a);\n    $g = bgG + Math.round((fgG - bgG) * $a);\n    $b = bgB + Math.round((fgB - bgB) * $a);\n    const css = channels.toCss($r, $g, $b);\n    const rgba = channels.toRgba($r, $g, $b);\n    return { css, rgba };\n  }\n\n  export function isOpaque(color: IColor): boolean {\n    return (color.rgba & 0xFF) === 0xFF;\n  }\n\n  export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n    const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n    if (!result) {\n      return undefined;\n    }\n    return rgba.toColor(\n      (result >> 24 & 0xFF),\n      (result >> 16 & 0xFF),\n      (result >> 8  & 0xFF)\n    );\n  }\n\n  export function opaque(color: IColor): IColor {\n    const rgbaColor = (color.rgba | 0xFF) >>> 0;\n    [$r, $g, $b] = rgba.toChannels(rgbaColor);\n    return {\n      css: channels.toCss($r, $g, $b),\n      rgba: rgbaColor\n    };\n  }\n\n  export function opacity(color: IColor, opacity: number): IColor {\n    $a = Math.round(opacity * 0xFF);\n    [$r, $g, $b] = rgba.toChannels(color.rgba);\n    return {\n      css: channels.toCss($r, $g, $b, $a),\n      rgba: channels.toRgba($r, $g, $b, $a)\n    };\n  }\n\n  export function multiplyOpacity(color: IColor, factor: number): IColor {\n    $a = color.rgba & 0xFF;\n    return opacity(color, ($a * factor) / 0xFF);\n  }\n\n  export function toColorRGB(color: IColor): IColorRGB {\n    return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n  }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n  let $ctx: CanvasRenderingContext2D | undefined;\n  let $litmusColor: CanvasGradient | undefined;\n  if (!isNode) {\n    const canvas = document.createElement('canvas');\n    canvas.width = 1;\n    canvas.height = 1;\n    const ctx = canvas.getContext('2d', {\n      willReadFrequently: true\n    });\n    if (ctx) {\n      $ctx = ctx;\n      $ctx.globalCompositeOperation = 'copy';\n      $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n    }\n  }\n\n  /**\n   * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n   * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n   *\n   * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n   * environment.\n   */\n  export function toColor(css: string): IColor {\n    // Formats: #rgb[a] and #rrggbb[aa]\n    if (css.match(/#[\\da-f]{3,8}/i)) {\n      switch (css.length) {\n        case 4: { // #rgb\n          $r = parseInt(css.slice(1, 2).repeat(2), 16);\n          $g = parseInt(css.slice(2, 3).repeat(2), 16);\n          $b = parseInt(css.slice(3, 4).repeat(2), 16);\n          return rgba.toColor($r, $g, $b);\n        }\n        case 5: { // #rgba\n          $r = parseInt(css.slice(1, 2).repeat(2), 16);\n          $g = parseInt(css.slice(2, 3).repeat(2), 16);\n          $b = parseInt(css.slice(3, 4).repeat(2), 16);\n          $a = parseInt(css.slice(4, 5).repeat(2), 16);\n          return rgba.toColor($r, $g, $b, $a);\n        }\n        case 7: // #rrggbb\n          return {\n            css,\n            rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n          };\n        case 9: // #rrggbbaa\n          return {\n            css,\n            rgba: parseInt(css.slice(1), 16) >>> 0\n          };\n      }\n    }\n\n    // Formats: rgb() or rgba()\n    const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n    if (rgbaMatch) {\n      $r = parseInt(rgbaMatch[1]);\n      $g = parseInt(rgbaMatch[2]);\n      $b = parseInt(rgbaMatch[3]);\n      $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n      return rgba.toColor($r, $g, $b, $a);\n    }\n\n    // Validate the context is available for canvas-based color parsing\n    if (!$ctx || !$litmusColor) {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    // Validate the color using canvas fillStyle\n    // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n    $ctx.fillStyle = $litmusColor;\n    $ctx.fillStyle = css;\n    if (typeof $ctx.fillStyle !== 'string') {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    $ctx.fillRect(0, 0, 1, 1);\n    [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n    // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n    if ($a !== 0xFF) {\n      throw new Error('css.toColor: Unsupported css format');\n    }\n\n    // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n    // format\n    // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n    return {\n      rgba: channels.toRgba($r, $g, $b, $a),\n      css\n    };\n  }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n  /**\n   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n   * between two colors.\n   * @param rgb The color to use.\n   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n   */\n  export function relativeLuminance(rgb: number): number {\n    return relativeLuminance2(\n      (rgb >> 16) & 0xFF,\n      (rgb >> 8 ) & 0xFF,\n      (rgb      ) & 0xFF);\n  }\n\n  /**\n   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n   * between two colors.\n   * @param r The red channel (0x00 to 0xFF).\n   * @param g The green channel (0x00 to 0xFF).\n   * @param b The blue channel (0x00 to 0xFF).\n   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n   */\n  export function relativeLuminance2(r: number, g: number, b: number): number {\n    const rs = r / 255;\n    const gs = g / 255;\n    const bs = b / 255;\n    const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n    const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n    const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n    return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n  }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n  /**\n   * Given a foreground color and a background color, either increase or reduce the luminance of the\n   * foreground color until the specified contrast ratio is met. If pure white or black is hit\n   * without the contrast ratio being met, go the other direction using the background color as the\n   * foreground color and take either the first or second result depending on which has the higher\n   * contrast ratio.\n   *\n   * `undefined` will be returned if the contrast ratio is already met.\n   *\n   * @param bgRgba The background color in rgba format.\n   * @param fgRgba The foreground color in rgba format.\n   * @param ratio The contrast ratio to achieve.\n   */\n  export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n    const bgL = rgb.relativeLuminance(bgRgba >> 8);\n    const fgL = rgb.relativeLuminance(fgRgba >> 8);\n    const cr = contrastRatio(bgL, fgL);\n    if (cr < ratio) {\n      if (fgL < bgL) {\n        const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n        const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n        if (resultARatio < ratio) {\n          const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n          const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n          return resultARatio > resultBRatio ? resultA : resultB;\n        }\n        return resultA;\n      }\n      const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n      const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n      if (resultARatio < ratio) {\n        const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n        const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n        return resultARatio > resultBRatio ? resultA : resultB;\n      }\n      return resultA;\n    }\n    return undefined;\n  }\n\n  export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n    // This is a naive but fast approach to reducing luminance as converting to\n    // HSL and back is expensive\n    const bgR = (bgRgba >> 24) & 0xFF;\n    const bgG = (bgRgba >> 16) & 0xFF;\n    const bgB = (bgRgba >>  8) & 0xFF;\n    let fgR = (fgRgba >> 24) & 0xFF;\n    let fgG = (fgRgba >> 16) & 0xFF;\n    let fgB = (fgRgba >>  8) & 0xFF;\n    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n      // Reduce by 10% until the ratio is hit\n      fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n      fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n      fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    }\n    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n  }\n\n  export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n    // This is a naive but fast approach to increasing luminance as converting to\n    // HSL and back is expensive\n    const bgR = (bgRgba >> 24) & 0xFF;\n    const bgG = (bgRgba >> 16) & 0xFF;\n    const bgB = (bgRgba >>  8) & 0xFF;\n    let fgR = (fgRgba >> 24) & 0xFF;\n    let fgG = (fgRgba >> 16) & 0xFF;\n    let fgB = (fgRgba >>  8) & 0xFF;\n    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n      // Increase by 10% until the ratio is hit\n      fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n      fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n      fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n    }\n    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n  }\n\n  // FIXME: Move this to channels NS?\n  export function toChannels(value: number): [number, number, number, number] {\n    return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n  }\n\n  export function toColor(r: number, g: number, b: number, a?: number): IColor {\n    return {\n      css: channels.toCss(r, g, b, a),\n      rgba: channels.toRgba(r, g, b, a)\n    };\n  }\n}\n\nexport function toPaddedHex(c: number): string {\n  const s = c.toString(16);\n  return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The first relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n  if (l1 < l2) {\n    return (l2 + 0.05) / (l1 + 0.05);\n  }\n  return (l1 + 0.05) / (l2 + 0.05);\n}\n","/**\n * Copyright (c) 2014-2020 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n *\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\nimport { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';\nimport { IInstantiationService, IOptionsService, IBufferService, ILogService, ICharsetService, ICoreService, ICoreMouseService, IUnicodeService, LogLevelEnum, ITerminalOptions, IOscLinkService } from 'common/services/Services';\nimport { InstantiationService } from 'common/services/InstantiationService';\nimport { LogService } from 'common/services/LogService';\nimport { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService';\nimport { OptionsService } from 'common/services/OptionsService';\nimport { IDisposable, IAttributeData, ICoreTerminal, IScrollEvent, ScrollSource } from 'common/Types';\nimport { CoreService } from 'common/services/CoreService';\nimport { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';\nimport { CoreMouseService } from 'common/services/CoreMouseService';\nimport { UnicodeService } from 'common/services/UnicodeService';\nimport { CharsetService } from 'common/services/CharsetService';\nimport { updateWindowsModeWrappedState } from 'common/WindowsMode';\nimport { IFunctionIdentifier, IParams } from 'common/parser/Types';\nimport { IBufferSet } from 'common/buffer/Types';\nimport { InputHandler } from 'common/InputHandler';\nimport { WriteBuffer } from 'common/input/WriteBuffer';\nimport { OscLinkService } from 'common/services/OscLinkService';\n\n// Only trigger this warning a single time per session\nlet hasWriteSyncWarnHappened = false;\n\nexport abstract class CoreTerminal extends Disposable implements ICoreTerminal {\n  protected readonly _instantiationService: IInstantiationService;\n  protected readonly _bufferService: IBufferService;\n  protected readonly _logService: ILogService;\n  protected readonly _charsetService: ICharsetService;\n  protected readonly _oscLinkService: IOscLinkService;\n\n  public readonly coreMouseService: ICoreMouseService;\n  public readonly coreService: ICoreService;\n  public readonly unicodeService: IUnicodeService;\n  public readonly optionsService: IOptionsService;\n\n  protected _inputHandler: InputHandler;\n  private _writeBuffer: WriteBuffer;\n  private _windowsWrappingHeuristics = this.register(new MutableDisposable());\n\n  private readonly _onBinary = this.register(new EventEmitter<string>());\n  public readonly onBinary = this._onBinary.event;\n  private readonly _onData = this.register(new EventEmitter<string>());\n  public readonly onData = this._onData.event;\n  protected _onLineFeed = this.register(new EventEmitter<void>());\n  public readonly onLineFeed = this._onLineFeed.event;\n  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());\n  public readonly onResize = this._onResize.event;\n  protected readonly _onWriteParsed = this.register(new EventEmitter<void>());\n  public readonly onWriteParsed = this._onWriteParsed.event;\n\n  /**\n   * Internally we track the source of the scroll but this is meaningless outside the library so\n   * it's filtered out.\n   */\n  protected _onScrollApi?: EventEmitter<number, void>;\n  protected _onScroll = this.register(new EventEmitter<IScrollEvent, void>());\n  public get onScroll(): IEvent<number, void> {\n    if (!this._onScrollApi) {\n      this._onScrollApi = this.register(new EventEmitter<number, void>());\n      this._onScroll.event(ev => {\n        this._onScrollApi?.fire(ev.position);\n      });\n    }\n    return this._onScrollApi.event;\n  }\n\n  public get cols(): number { return this._bufferService.cols; }\n  public get rows(): number { return this._bufferService.rows; }\n  public get buffers(): IBufferSet { return this._bufferService.buffers; }\n  public get options(): Required<ITerminalOptions> { return this.optionsService.options; }\n  public set options(options: ITerminalOptions) {\n    for (const key in options) {\n      this.optionsService.options[key] = options[key];\n    }\n  }\n\n  constructor(\n    options: Partial<ITerminalOptions>\n  ) {\n    super();\n\n    // Setup and initialize services\n    this._instantiationService = new InstantiationService();\n    this.optionsService = this.register(new OptionsService(options));\n    this._instantiationService.setService(IOptionsService, this.optionsService);\n    this._bufferService = this.register(this._instantiationService.createInstance(BufferService));\n    this._instantiationService.setService(IBufferService, this._bufferService);\n    this._logService = this.register(this._instantiationService.createInstance(LogService));\n    this._instantiationService.setService(ILogService, this._logService);\n    this.coreService = this.register(this._instantiationService.createInstance(CoreService));\n    this._instantiationService.setService(ICoreService, this.coreService);\n    this.coreMouseService = this.register(this._instantiationService.createInstance(CoreMouseService));\n    this._instantiationService.setService(ICoreMouseService, this.coreMouseService);\n    this.unicodeService = this.register(this._instantiationService.createInstance(UnicodeService));\n    this._instantiationService.setService(IUnicodeService, this.unicodeService);\n    this._charsetService = this._instantiationService.createInstance(CharsetService);\n    this._instantiationService.setService(ICharsetService, this._charsetService);\n    this._oscLinkService = this._instantiationService.createInstance(OscLinkService);\n    this._instantiationService.setService(IOscLinkService, this._oscLinkService);\n\n    // Register input handler and handle/forward events\n    this._inputHandler = this.register(new InputHandler(this._bufferService, this._charsetService, this.coreService, this._logService, this.optionsService, this._oscLinkService, this.coreMouseService, this.unicodeService));\n    this.register(forwardEvent(this._inputHandler.onLineFeed, this._onLineFeed));\n    this.register(this._inputHandler);\n\n    // Setup listeners\n    this.register(forwardEvent(this._bufferService.onResize, this._onResize));\n    this.register(forwardEvent(this.coreService.onData, this._onData));\n    this.register(forwardEvent(this.coreService.onBinary, this._onBinary));\n    this.register(this.coreService.onRequestScrollToBottom(() => this.scrollToBottom()));\n    this.register(this.coreService.onUserInput(() =>  this._writeBuffer.handleUserInput()));\n    this.register(this.optionsService.onMultipleOptionChange(['windowsMode', 'windowsPty'], () => this._handleWindowsPtyOptionChange()));\n    this.register(this._bufferService.onScroll(event => {\n      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });\n      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);\n    }));\n    this.register(this._inputHandler.onScroll(event => {\n      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });\n      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);\n    }));\n\n    // Setup WriteBuffer\n    this._writeBuffer = this.register(new WriteBuffer((data, promiseResult) => this._inputHandler.parse(data, promiseResult)));\n    this.register(forwardEvent(this._writeBuffer.onWriteParsed, this._onWriteParsed));\n  }\n\n  public write(data: string | Uint8Array, callback?: () => void): void {\n    this._writeBuffer.write(data, callback);\n  }\n\n  /**\n   * Write data to terminal synchonously.\n   *\n   * This method is unreliable with async parser handlers, thus should not\n   * be used anymore. If you need blocking semantics on data input consider\n   * `write` with a callback instead.\n   *\n   * @deprecated Unreliable, will be removed soon.\n   */\n  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {\n    if (this._logService.logLevel <= LogLevelEnum.WARN && !hasWriteSyncWarnHappened) {\n      this._logService.warn('writeSync is unreliable and will be removed soon.');\n      hasWriteSyncWarnHappened = true;\n    }\n    this._writeBuffer.writeSync(data, maxSubsequentCalls);\n  }\n\n  public resize(x: number, y: number): void {\n    if (isNaN(x) || isNaN(y)) {\n      return;\n    }\n\n    x = Math.max(x, MINIMUM_COLS);\n    y = Math.max(y, MINIMUM_ROWS);\n\n    this._bufferService.resize(x, y);\n  }\n\n  /**\n   * Scroll the terminal down 1 row, creating a blank line.\n   * @param eraseAttr The attribute data to use the for blank line.\n   * @param isWrapped Whether the new line is wrapped from the previous line.\n   */\n  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {\n    this._bufferService.scroll(eraseAttr, isWrapped);\n  }\n\n  /**\n   * Scroll the display of the terminal\n   * @param disp The number of lines to scroll down (negative scroll up).\n   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used to avoid\n   * unwanted events being handled by the viewport when the event was triggered from the viewport\n   * originally.\n   * @param source Which component the event came from.\n   */\n  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {\n    this._bufferService.scrollLines(disp, suppressScrollEvent, source);\n  }\n\n  public scrollPages(pageCount: number): void {\n    this.scrollLines(pageCount * (this.rows - 1));\n  }\n\n  public scrollToTop(): void {\n    this.scrollLines(-this._bufferService.buffer.ydisp);\n  }\n\n  public scrollToBottom(): void {\n    this.scrollLines(this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);\n  }\n\n  public scrollToLine(line: number): void {\n    const scrollAmount = line - this._bufferService.buffer.ydisp;\n    if (scrollAmount !== 0) {\n      this.scrollLines(scrollAmount);\n    }\n  }\n\n  /** Add handler for ESC escape sequence. See xterm.d.ts for details. */\n  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerEscHandler(id, callback);\n  }\n\n  /** Add handler for DCS escape sequence. See xterm.d.ts for details. */\n  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerDcsHandler(id, callback);\n  }\n\n  /** Add handler for CSI escape sequence. See xterm.d.ts for details. */\n  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerCsiHandler(id, callback);\n  }\n\n  /** Add handler for OSC escape sequence. See xterm.d.ts for details. */\n  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this._inputHandler.registerOscHandler(ident, callback);\n  }\n\n  protected _setup(): void {\n    this._handleWindowsPtyOptionChange();\n  }\n\n  public reset(): void {\n    this._inputHandler.reset();\n    this._bufferService.reset();\n    this._charsetService.reset();\n    this.coreService.reset();\n    this.coreMouseService.reset();\n  }\n\n\n  private _handleWindowsPtyOptionChange(): void {\n    let value = false;\n    const windowsPty = this.optionsService.rawOptions.windowsPty;\n    if (windowsPty && windowsPty.buildNumber !== undefined && windowsPty.buildNumber !== undefined) {\n      value = !!(windowsPty.backend === 'conpty' && windowsPty.buildNumber < 21376);\n    } else if (this.optionsService.rawOptions.windowsMode) {\n      value = true;\n    }\n    if (value) {\n      this._enableWindowsWrappingHeuristics();\n    } else {\n      this._windowsWrappingHeuristics.clear();\n    }\n  }\n\n  protected _enableWindowsWrappingHeuristics(): void {\n    if (!this._windowsWrappingHeuristics.value) {\n      const disposables: IDisposable[] = [];\n      disposables.push(this.onLineFeed(updateWindowsModeWrappedState.bind(null, this._bufferService)));\n      disposables.push(this.registerCsiHandler({ final: 'H' }, () => {\n        updateWindowsModeWrappedState(this._bufferService);\n        return false;\n      }));\n      this._windowsWrappingHeuristics.value = toDisposable(() => {\n        for (const d of disposables) {\n          d.dispose();\n        }\n      });\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\ninterface IListener<T, U = void> {\n  (arg1: T, arg2: U): void;\n}\n\nexport interface IEvent<T, U = void> {\n  (listener: (arg1: T, arg2: U) => any): IDisposable;\n}\n\nexport interface IEventEmitter<T, U = void> {\n  event: IEvent<T, U>;\n  fire(arg1: T, arg2: U): void;\n  dispose(): void;\n}\n\nexport class EventEmitter<T, U = void> implements IEventEmitter<T, U> {\n  private _listeners: IListener<T, U>[] = [];\n  private _event?: IEvent<T, U>;\n  private _disposed: boolean = false;\n\n  public get event(): IEvent<T, U> {\n    if (!this._event) {\n      this._event = (listener: (arg1: T, arg2: U) => any) => {\n        this._listeners.push(listener);\n        const disposable = {\n          dispose: () => {\n            if (!this._disposed) {\n              for (let i = 0; i < this._listeners.length; i++) {\n                if (this._listeners[i] === listener) {\n                  this._listeners.splice(i, 1);\n                  return;\n                }\n              }\n            }\n          }\n        };\n        return disposable;\n      };\n    }\n    return this._event;\n  }\n\n  public fire(arg1: T, arg2: U): void {\n    const queue: IListener<T, U>[] = [];\n    for (let i = 0; i < this._listeners.length; i++) {\n      queue.push(this._listeners[i]);\n    }\n    for (let i = 0; i < queue.length; i++) {\n      queue[i].call(undefined, arg1, arg2);\n    }\n  }\n\n  public dispose(): void {\n    this.clearListeners();\n    this._disposed = true;\n  }\n\n  public clearListeners(): void {\n    if (this._listeners) {\n      this._listeners.length = 0;\n    }\n  }\n}\n\nexport function forwardEvent<T>(from: IEvent<T>, to: IEventEmitter<T>): IDisposable {\n  return from(e => to.fire(e));\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IInputHandler, IAttributeData, IDisposable, IWindowOptions, IColorEvent, IParseStack, ColorIndex, ColorRequestType, SpecialColorIndex } from 'common/Types';\nimport { C0, C1 } from 'common/data/EscapeSequences';\nimport { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets';\nimport { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser';\nimport { Disposable } from 'common/Lifecycle';\nimport { StringToUtf32, stringFromCodePoint, Utf8ToUtf32 } from 'common/input/TextDecoder';\nimport { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { IParsingState, IEscapeSequenceParser, IParams, IFunctionIdentifier } from 'common/parser/Types';\nimport { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content, UnderlineStyle } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { ICoreService, IBufferService, IOptionsService, ILogService, ICoreMouseService, ICharsetService, IUnicodeService, LogLevelEnum, IOscLinkService } from 'common/services/Services';\nimport { OscHandler } from 'common/parser/OscParser';\nimport { DcsHandler } from 'common/parser/DcsParser';\nimport { IBuffer } from 'common/buffer/Types';\nimport { parseColor } from 'common/input/XParseColor';\n\n/**\n * Map collect to glevel. Used in `selectCharset`.\n */\nconst GLEVEL: { [key: string]: number } = { '(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2 };\n\n/**\n * VT commands done by the parser - FIXME: move this to the parser?\n */\n// @vt: #Y   ESC   CSI   \"Control Sequence Introducer\"   \"ESC [\"   \"Start of a CSI sequence.\"\n// @vt: #Y   ESC   OSC   \"Operating System Command\"      \"ESC ]\"   \"Start of an OSC sequence.\"\n// @vt: #Y   ESC   DCS   \"Device Control String\"         \"ESC P\"   \"Start of a DCS sequence.\"\n// @vt: #Y   ESC   ST    \"String Terminator\"             \"ESC \\\"   \"Terminator used for string type sequences.\"\n// @vt: #Y   ESC   PM    \"Privacy Message\"               \"ESC ^\"   \"Start of a privacy message.\"\n// @vt: #Y   ESC   APC   \"Application Program Command\"   \"ESC _\"   \"Start of an APC sequence.\"\n// @vt: #Y   C1    CSI   \"Control Sequence Introducer\"   \"\\x9B\"    \"Start of a CSI sequence.\"\n// @vt: #Y   C1    OSC   \"Operating System Command\"      \"\\x9D\"    \"Start of an OSC sequence.\"\n// @vt: #Y   C1    DCS   \"Device Control String\"         \"\\x90\"    \"Start of a DCS sequence.\"\n// @vt: #Y   C1    ST    \"String Terminator\"             \"\\x9C\"    \"Terminator used for string type sequences.\"\n// @vt: #Y   C1    PM    \"Privacy Message\"               \"\\x9E\"    \"Start of a privacy message.\"\n// @vt: #Y   C1    APC   \"Application Program Command\"   \"\\x9F\"    \"Start of an APC sequence.\"\n// @vt: #Y   C0    NUL   \"Null\"                          \"\\0, \\x00\"  \"NUL is ignored.\"\n// @vt: #Y   C0    ESC   \"Escape\"                        \"\\e, \\x1B\"  \"Start of a sequence. Cancels any other sequence.\"\n\n/**\n * Document xterm VT features here that are currently unsupported\n */\n// @vt: #E[Supported via xterm-addon-image.]  DCS   SIXEL       \"SIXEL Graphics\"          \"DCS Ps ; Ps ; Ps ; q \tPt ST\"  \"Draw SIXEL image.\"\n// @vt: #N  DCS   DECUDK      \"User Defined Keys\"       \"DCS Ps ; Ps \\| Pt ST\"           \"Definitions for user-defined keys.\"\n// @vt: #N  DCS   XTGETTCAP   \"Request Terminfo String\" \"DCS + q Pt ST\"                 \"Request Terminfo String.\"\n// @vt: #N  DCS   XTSETTCAP   \"Set Terminfo Data\"       \"DCS + p Pt ST\"                 \"Set Terminfo Data.\"\n// @vt: #N  OSC   1           \"Set Icon Name\"           \"OSC 1 ; Pt BEL\"                \"Set icon name.\"\n\n/**\n * Max length of the UTF32 input buffer. Real memory consumption is 4 times higher.\n */\nconst MAX_PARSEBUFFER_LENGTH = 131072;\n\n/**\n * Limit length of title and icon name stacks.\n */\nconst STACK_LIMIT = 10;\n\n// map params to window option\nfunction paramToWindowOption(n: number, opts: IWindowOptions): boolean {\n  if (n > 24) {\n    return opts.setWinLines || false;\n  }\n  switch (n) {\n    case 1: return !!opts.restoreWin;\n    case 2: return !!opts.minimizeWin;\n    case 3: return !!opts.setWinPosition;\n    case 4: return !!opts.setWinSizePixels;\n    case 5: return !!opts.raiseWin;\n    case 6: return !!opts.lowerWin;\n    case 7: return !!opts.refreshWin;\n    case 8: return !!opts.setWinSizeChars;\n    case 9: return !!opts.maximizeWin;\n    case 10: return !!opts.fullscreenWin;\n    case 11: return !!opts.getWinState;\n    case 13: return !!opts.getWinPosition;\n    case 14: return !!opts.getWinSizePixels;\n    case 15: return !!opts.getScreenSizePixels;\n    case 16: return !!opts.getCellSizePixels;\n    case 18: return !!opts.getWinSizeChars;\n    case 19: return !!opts.getScreenSizeChars;\n    case 20: return !!opts.getIconTitle;\n    case 21: return !!opts.getWinTitle;\n    case 22: return !!opts.pushTitle;\n    case 23: return !!opts.popTitle;\n    case 24: return !!opts.setWinLines;\n  }\n  return false;\n}\n\nexport enum WindowsOptionsReportType {\n  GET_WIN_SIZE_PIXELS = 0,\n  GET_CELL_SIZE_PIXELS = 1\n}\n\n// create a warning log if an async handler takes longer than the limit (in ms)\nconst SLOW_ASYNC_LIMIT = 5000;\n\n// Work variables to avoid garbage collection\nlet $temp = 0;\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler extends Disposable implements IInputHandler {\n  private _parseBuffer: Uint32Array = new Uint32Array(4096);\n  private _stringDecoder: StringToUtf32 = new StringToUtf32();\n  private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();\n  private _workCell: CellData = new CellData();\n  private _windowTitle = '';\n  private _iconName = '';\n  private _dirtyRowTracker: IDirtyRowTracker;\n  protected _windowTitleStack: string[] = [];\n  protected _iconNameStack: string[] = [];\n\n  private _curAttrData: IAttributeData = DEFAULT_ATTR_DATA.clone();\n  public getAttrData(): IAttributeData { return this._curAttrData; }\n  private _eraseAttrDataInternal: IAttributeData = DEFAULT_ATTR_DATA.clone();\n\n  private _activeBuffer: IBuffer;\n\n  private readonly _onRequestBell = this.register(new EventEmitter<void>());\n  public readonly onRequestBell = this._onRequestBell.event;\n  private readonly _onRequestRefreshRows = this.register(new EventEmitter<number, number>());\n  public readonly onRequestRefreshRows = this._onRequestRefreshRows.event;\n  private readonly _onRequestReset = this.register(new EventEmitter<void>());\n  public readonly onRequestReset = this._onRequestReset.event;\n  private readonly _onRequestSendFocus = this.register(new EventEmitter<void>());\n  public readonly onRequestSendFocus = this._onRequestSendFocus.event;\n  private readonly _onRequestSyncScrollBar = this.register(new EventEmitter<void>());\n  public readonly onRequestSyncScrollBar = this._onRequestSyncScrollBar.event;\n  private readonly _onRequestWindowsOptionsReport = this.register(new EventEmitter<WindowsOptionsReportType>());\n  public readonly onRequestWindowsOptionsReport = this._onRequestWindowsOptionsReport.event;\n\n  private readonly _onA11yChar = this.register(new EventEmitter<string>());\n  public readonly onA11yChar = this._onA11yChar.event;\n  private readonly _onA11yTab = this.register(new EventEmitter<number>());\n  public readonly onA11yTab = this._onA11yTab.event;\n  private readonly _onCursorMove = this.register(new EventEmitter<void>());\n  public readonly onCursorMove = this._onCursorMove.event;\n  private readonly _onLineFeed = this.register(new EventEmitter<void>());\n  public readonly onLineFeed = this._onLineFeed.event;\n  private readonly _onScroll = this.register(new EventEmitter<number>());\n  public readonly onScroll = this._onScroll.event;\n  private readonly _onTitleChange = this.register(new EventEmitter<string>());\n  public readonly onTitleChange = this._onTitleChange.event;\n  private readonly _onColor = this.register(new EventEmitter<IColorEvent>());\n  public readonly onColor = this._onColor.event;\n\n  private _parseStack: IParseStack = {\n    paused: false,\n    cursorStartX: 0,\n    cursorStartY: 0,\n    decodedLength: 0,\n    position: 0\n  };\n\n  constructor(\n    private readonly _bufferService: IBufferService,\n    private readonly _charsetService: ICharsetService,\n    private readonly _coreService: ICoreService,\n    private readonly _logService: ILogService,\n    private readonly _optionsService: IOptionsService,\n    private readonly _oscLinkService: IOscLinkService,\n    private readonly _coreMouseService: ICoreMouseService,\n    private readonly _unicodeService: IUnicodeService,\n    private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser()\n  ) {\n    super();\n    this.register(this._parser);\n    this._dirtyRowTracker = new DirtyRowTracker(this._bufferService);\n\n    // Track properties used in performance critical code manually to avoid using slow getters\n    this._activeBuffer = this._bufferService.buffer;\n    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));\n\n    /**\n     * custom fallback handlers\n     */\n    this._parser.setCsiHandlerFallback((ident, params) => {\n      this._logService.debug('Unknown CSI code: ', { identifier: this._parser.identToString(ident), params: params.toArray() });\n    });\n    this._parser.setEscHandlerFallback(ident => {\n      this._logService.debug('Unknown ESC code: ', { identifier: this._parser.identToString(ident) });\n    });\n    this._parser.setExecuteHandlerFallback(code => {\n      this._logService.debug('Unknown EXECUTE code: ', { code });\n    });\n    this._parser.setOscHandlerFallback((identifier, action, data) => {\n      this._logService.debug('Unknown OSC code: ', { identifier, action, data });\n    });\n    this._parser.setDcsHandlerFallback((ident, action, payload) => {\n      if (action === 'HOOK') {\n        payload = payload.toArray();\n      }\n      this._logService.debug('Unknown DCS code: ', { identifier: this._parser.identToString(ident), action, payload });\n    });\n\n    /**\n     * print handler\n     */\n    this._parser.setPrintHandler((data, start, end) => this.print(data, start, end));\n\n    /**\n     * CSI handler\n     */\n    this._parser.registerCsiHandler({ final: '@' }, params => this.insertChars(params));\n    this._parser.registerCsiHandler({ intermediates: ' ', final: '@' }, params => this.scrollLeft(params));\n    this._parser.registerCsiHandler({ final: 'A' }, params => this.cursorUp(params));\n    this._parser.registerCsiHandler({ intermediates: ' ', final: 'A' }, params => this.scrollRight(params));\n    this._parser.registerCsiHandler({ final: 'B' }, params => this.cursorDown(params));\n    this._parser.registerCsiHandler({ final: 'C' }, params => this.cursorForward(params));\n    this._parser.registerCsiHandler({ final: 'D' }, params => this.cursorBackward(params));\n    this._parser.registerCsiHandler({ final: 'E' }, params => this.cursorNextLine(params));\n    this._parser.registerCsiHandler({ final: 'F' }, params => this.cursorPrecedingLine(params));\n    this._parser.registerCsiHandler({ final: 'G' }, params => this.cursorCharAbsolute(params));\n    this._parser.registerCsiHandler({ final: 'H' }, params => this.cursorPosition(params));\n    this._parser.registerCsiHandler({ final: 'I' }, params => this.cursorForwardTab(params));\n    this._parser.registerCsiHandler({ final: 'J' }, params => this.eraseInDisplay(params, false));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'J' }, params => this.eraseInDisplay(params, true));\n    this._parser.registerCsiHandler({ final: 'K' }, params => this.eraseInLine(params, false));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'K' }, params => this.eraseInLine(params, true));\n    this._parser.registerCsiHandler({ final: 'L' }, params => this.insertLines(params));\n    this._parser.registerCsiHandler({ final: 'M' }, params => this.deleteLines(params));\n    this._parser.registerCsiHandler({ final: 'P' }, params => this.deleteChars(params));\n    this._parser.registerCsiHandler({ final: 'S' }, params => this.scrollUp(params));\n    this._parser.registerCsiHandler({ final: 'T' }, params => this.scrollDown(params));\n    this._parser.registerCsiHandler({ final: 'X' }, params => this.eraseChars(params));\n    this._parser.registerCsiHandler({ final: 'Z' }, params => this.cursorBackwardTab(params));\n    this._parser.registerCsiHandler({ final: '`' }, params => this.charPosAbsolute(params));\n    this._parser.registerCsiHandler({ final: 'a' }, params => this.hPositionRelative(params));\n    this._parser.registerCsiHandler({ final: 'b' }, params => this.repeatPrecedingCharacter(params));\n    this._parser.registerCsiHandler({ final: 'c' }, params => this.sendDeviceAttributesPrimary(params));\n    this._parser.registerCsiHandler({ prefix: '>', final: 'c' }, params => this.sendDeviceAttributesSecondary(params));\n    this._parser.registerCsiHandler({ final: 'd' }, params => this.linePosAbsolute(params));\n    this._parser.registerCsiHandler({ final: 'e' }, params => this.vPositionRelative(params));\n    this._parser.registerCsiHandler({ final: 'f' }, params => this.hVPosition(params));\n    this._parser.registerCsiHandler({ final: 'g' }, params => this.tabClear(params));\n    this._parser.registerCsiHandler({ final: 'h' }, params => this.setMode(params));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this.setModePrivate(params));\n    this._parser.registerCsiHandler({ final: 'l' }, params => this.resetMode(params));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this.resetModePrivate(params));\n    this._parser.registerCsiHandler({ final: 'm' }, params => this.charAttributes(params));\n    this._parser.registerCsiHandler({ final: 'n' }, params => this.deviceStatus(params));\n    this._parser.registerCsiHandler({ prefix: '?', final: 'n' }, params => this.deviceStatusPrivate(params));\n    this._parser.registerCsiHandler({ intermediates: '!', final: 'p' }, params => this.softReset(params));\n    this._parser.registerCsiHandler({ intermediates: ' ', final: 'q' }, params => this.setCursorStyle(params));\n    this._parser.registerCsiHandler({ final: 'r' }, params => this.setScrollRegion(params));\n    this._parser.registerCsiHandler({ final: 's' }, params => this.saveCursor(params));\n    this._parser.registerCsiHandler({ final: 't' }, params => this.windowOptions(params));\n    this._parser.registerCsiHandler({ final: 'u' }, params => this.restoreCursor(params));\n    this._parser.registerCsiHandler({ intermediates: '\\'', final: '}' }, params => this.insertColumns(params));\n    this._parser.registerCsiHandler({ intermediates: '\\'', final: '~' }, params => this.deleteColumns(params));\n    this._parser.registerCsiHandler({ intermediates: '\"', final: 'q' }, params => this.selectProtected(params));\n    this._parser.registerCsiHandler({ intermediates: '$', final: 'p' }, params => this.requestMode(params, true));\n    this._parser.registerCsiHandler({ prefix: '?', intermediates: '$', final: 'p' }, params => this.requestMode(params, false));\n\n    /**\n     * execute handler\n     */\n    this._parser.setExecuteHandler(C0.BEL, () => this.bell());\n    this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());\n    this._parser.setExecuteHandler(C0.BS, () => this.backspace());\n    this._parser.setExecuteHandler(C0.HT, () => this.tab());\n    this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());\n    this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());\n    // FIXME:   What do to with missing? Old code just added those to print.\n\n    this._parser.setExecuteHandler(C1.IND, () => this.index());\n    this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());\n    this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());\n\n    /**\n     * OSC handler\n     */\n    //   0 - icon name + title\n    this._parser.registerOscHandler(0, new OscHandler(data => { this.setTitle(data); this.setIconName(data); return true; }));\n    //   1 - icon name\n    this._parser.registerOscHandler(1, new OscHandler(data => this.setIconName(data)));\n    //   2 - title\n    this._parser.registerOscHandler(2, new OscHandler(data => this.setTitle(data)));\n    //   3 - set property X in the form \"prop=value\"\n    //   4 - Change Color Number\n    this._parser.registerOscHandler(4, new OscHandler(data => this.setOrReportIndexedColor(data)));\n    //   5 - Change Special Color Number\n    //   6 - Enable/disable Special Color Number c\n    //   7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)\n    //   8 - create hyperlink (not in xterm spec, see https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda)\n    this._parser.registerOscHandler(8, new OscHandler(data => this.setHyperlink(data)));\n    //  10 - Change VT100 text foreground color to Pt.\n    this._parser.registerOscHandler(10, new OscHandler(data => this.setOrReportFgColor(data)));\n    //  11 - Change VT100 text background color to Pt.\n    this._parser.registerOscHandler(11, new OscHandler(data => this.setOrReportBgColor(data)));\n    //  12 - Change text cursor color to Pt.\n    this._parser.registerOscHandler(12, new OscHandler(data => this.setOrReportCursorColor(data)));\n    //  13 - Change mouse foreground color to Pt.\n    //  14 - Change mouse background color to Pt.\n    //  15 - Change Tektronix foreground color to Pt.\n    //  16 - Change Tektronix background color to Pt.\n    //  17 - Change highlight background color to Pt.\n    //  18 - Change Tektronix cursor color to Pt.\n    //  19 - Change highlight foreground color to Pt.\n    //  46 - Change Log File to Pt.\n    //  50 - Set Font to Pt.\n    //  51 - reserved for Emacs shell.\n    //  52 - Manipulate Selection Data.\n    // 104 ; c - Reset Color Number c.\n    this._parser.registerOscHandler(104, new OscHandler(data => this.restoreIndexedColor(data)));\n    // 105 ; c - Reset Special Color Number c.\n    // 106 ; c; f - Enable/disable Special Color Number c.\n    // 110 - Reset VT100 text foreground color.\n    this._parser.registerOscHandler(110, new OscHandler(data => this.restoreFgColor(data)));\n    // 111 - Reset VT100 text background color.\n    this._parser.registerOscHandler(111, new OscHandler(data => this.restoreBgColor(data)));\n    // 112 - Reset text cursor color.\n    this._parser.registerOscHandler(112, new OscHandler(data => this.restoreCursorColor(data)));\n    // 113 - Reset mouse foreground color.\n    // 114 - Reset mouse background color.\n    // 115 - Reset Tektronix foreground color.\n    // 116 - Reset Tektronix background color.\n    // 117 - Reset highlight color.\n    // 118 - Reset Tektronix cursor color.\n    // 119 - Reset highlight foreground color.\n\n    /**\n     * ESC handlers\n     */\n    this._parser.registerEscHandler({ final: '7' }, () => this.saveCursor());\n    this._parser.registerEscHandler({ final: '8' }, () => this.restoreCursor());\n    this._parser.registerEscHandler({ final: 'D' }, () => this.index());\n    this._parser.registerEscHandler({ final: 'E' }, () => this.nextLine());\n    this._parser.registerEscHandler({ final: 'H' }, () => this.tabSet());\n    this._parser.registerEscHandler({ final: 'M' }, () => this.reverseIndex());\n    this._parser.registerEscHandler({ final: '=' }, () => this.keypadApplicationMode());\n    this._parser.registerEscHandler({ final: '>' }, () => this.keypadNumericMode());\n    this._parser.registerEscHandler({ final: 'c' }, () => this.fullReset());\n    this._parser.registerEscHandler({ final: 'n' }, () => this.setgLevel(2));\n    this._parser.registerEscHandler({ final: 'o' }, () => this.setgLevel(3));\n    this._parser.registerEscHandler({ final: '|' }, () => this.setgLevel(3));\n    this._parser.registerEscHandler({ final: '}' }, () => this.setgLevel(2));\n    this._parser.registerEscHandler({ final: '~' }, () => this.setgLevel(1));\n    this._parser.registerEscHandler({ intermediates: '%', final: '@' }, () => this.selectDefaultCharset());\n    this._parser.registerEscHandler({ intermediates: '%', final: 'G' }, () => this.selectDefaultCharset());\n    for (const flag in CHARSETS) {\n      this._parser.registerEscHandler({ intermediates: '(', final: flag }, () => this.selectCharset('(' + flag));\n      this._parser.registerEscHandler({ intermediates: ')', final: flag }, () => this.selectCharset(')' + flag));\n      this._parser.registerEscHandler({ intermediates: '*', final: flag }, () => this.selectCharset('*' + flag));\n      this._parser.registerEscHandler({ intermediates: '+', final: flag }, () => this.selectCharset('+' + flag));\n      this._parser.registerEscHandler({ intermediates: '-', final: flag }, () => this.selectCharset('-' + flag));\n      this._parser.registerEscHandler({ intermediates: '.', final: flag }, () => this.selectCharset('.' + flag));\n      this._parser.registerEscHandler({ intermediates: '/', final: flag }, () => this.selectCharset('/' + flag)); // TODO: supported?\n    }\n    this._parser.registerEscHandler({ intermediates: '#', final: '8' }, () => this.screenAlignmentPattern());\n\n    /**\n     * error handler\n     */\n    this._parser.setErrorHandler((state: IParsingState) => {\n      this._logService.error('Parsing error: ', state);\n      return state;\n    });\n\n    /**\n     * DCS handler\n     */\n    this._parser.registerDcsHandler({ intermediates: '$', final: 'q' }, new DcsHandler((data, params) => this.requestStatusString(data, params)));\n  }\n\n  /**\n   * Async parse support.\n   */\n  private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void {\n    this._parseStack.paused = true;\n    this._parseStack.cursorStartX = cursorStartX;\n    this._parseStack.cursorStartY = cursorStartY;\n    this._parseStack.decodedLength = decodedLength;\n    this._parseStack.position = position;\n  }\n\n  private _logSlowResolvingAsync(p: Promise<boolean>): void {\n    // log a limited warning about an async handler taking too long\n    if (this._logService.logLevel <= LogLevelEnum.WARN) {\n      Promise.race([p, new Promise((res, rej) => setTimeout(() => rej('#SLOW_TIMEOUT'), SLOW_ASYNC_LIMIT))])\n        .catch(err => {\n          if (err !== '#SLOW_TIMEOUT') {\n            throw err;\n          }\n          console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`);\n        });\n    }\n  }\n\n  private _getCurrentLinkId(): number {\n    return this._curAttrData.extended.urlId;\n  }\n\n  /**\n   * Parse call with async handler support.\n   *\n   * Whether the stack state got preserved for the next call, is indicated by the return value:\n   * - undefined (void):\n   *   all handlers were sync, no stack save, continue normally with next chunk\n   * - Promise\\<boolean\\>:\n   *   execution stopped at async handler, stack saved, continue with same chunk and the promise\n   *   resolve value as `promiseResult` until the method returns `undefined`\n   *\n   * Note: This method should only be called by `Terminal.write` to ensure correct execution order\n   * and proper continuation of async parser handlers.\n   */\n  public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean> {\n    let result: void | Promise<boolean>;\n    let cursorStartX = this._activeBuffer.x;\n    let cursorStartY = this._activeBuffer.y;\n    let start = 0;\n    const wasPaused = this._parseStack.paused;\n\n    if (wasPaused) {\n      // assumption: _parseBuffer never mutates between async calls\n      if (result = this._parser.parse(this._parseBuffer, this._parseStack.decodedLength, promiseResult)) {\n        this._logSlowResolvingAsync(result);\n        return result;\n      }\n      cursorStartX = this._parseStack.cursorStartX;\n      cursorStartY = this._parseStack.cursorStartY;\n      this._parseStack.paused = false;\n      if (data.length > MAX_PARSEBUFFER_LENGTH) {\n        start = this._parseStack.position + MAX_PARSEBUFFER_LENGTH;\n      }\n    }\n\n    // Log debug data, the log level gate is to prevent extra work in this hot path\n    if (this._logService.logLevel <= LogLevelEnum.DEBUG) {\n      this._logService.debug(`parsing data${typeof data === 'string' ? ` \"${data}\"` : ` \"${Array.prototype.map.call(data, e => String.fromCharCode(e)).join('')}\"`}`, typeof data === 'string'\n        ? data.split('').map(e => e.charCodeAt(0))\n        : data\n      );\n    }\n\n    // resize input buffer if needed\n    if (this._parseBuffer.length < data.length) {\n      if (this._parseBuffer.length < MAX_PARSEBUFFER_LENGTH) {\n        this._parseBuffer = new Uint32Array(Math.min(data.length, MAX_PARSEBUFFER_LENGTH));\n      }\n    }\n\n    // Clear the dirty row service so we know which lines changed as a result of parsing\n    // Important: do not clear between async calls, otherwise we lost pending update information.\n    if (!wasPaused) {\n      this._dirtyRowTracker.clearRange();\n    }\n\n    // process big data in smaller chunks\n    if (data.length > MAX_PARSEBUFFER_LENGTH) {\n      for (let i = start; i < data.length; i += MAX_PARSEBUFFER_LENGTH) {\n        const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length;\n        const len = (typeof data === 'string')\n          ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer)\n          : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer);\n        if (result = this._parser.parse(this._parseBuffer, len)) {\n          this._preserveStack(cursorStartX, cursorStartY, len, i);\n          this._logSlowResolvingAsync(result);\n          return result;\n        }\n      }\n    } else {\n      if (!wasPaused) {\n        const len = (typeof data === 'string')\n          ? this._stringDecoder.decode(data, this._parseBuffer)\n          : this._utf8Decoder.decode(data, this._parseBuffer);\n        if (result = this._parser.parse(this._parseBuffer, len)) {\n          this._preserveStack(cursorStartX, cursorStartY, len, 0);\n          this._logSlowResolvingAsync(result);\n          return result;\n        }\n      }\n    }\n\n    if (this._activeBuffer.x !== cursorStartX || this._activeBuffer.y !== cursorStartY) {\n      this._onCursorMove.fire();\n    }\n\n    // Refresh any dirty rows accumulated as part of parsing\n    this._onRequestRefreshRows.fire(this._dirtyRowTracker.start, this._dirtyRowTracker.end);\n  }\n\n  public print(data: Uint32Array, start: number, end: number): void {\n    let code: number;\n    let chWidth: number;\n    const charset = this._charsetService.charset;\n    const screenReaderMode = this._optionsService.rawOptions.screenReaderMode;\n    const cols = this._bufferService.cols;\n    const wraparoundMode = this._coreService.decPrivateModes.wraparound;\n    const insertMode = this._coreService.modes.insertMode;\n    const curAttr = this._curAttrData;\n    let bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n\n    // handle wide chars: reset start_cell-1 if we would overwrite the second cell of a wide char\n    if (this._activeBuffer.x && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x - 1) === 2) {\n      bufferRow.setCellFromCodePoint(this._activeBuffer.x - 1, 0, 1, curAttr.fg, curAttr.bg, curAttr.extended);\n    }\n\n    for (let pos = start; pos < end; ++pos) {\n      code = data[pos];\n\n      // calculate print space\n      // expensive call, therefore we save width in line buffer\n      chWidth = this._unicodeService.wcwidth(code);\n\n      // get charset replacement character\n      // charset is only defined for ASCII, therefore we only\n      // search for an replacement char if code < 127\n      if (code < 127 && charset) {\n        const ch = charset[String.fromCharCode(code)];\n        if (ch) {\n          code = ch.charCodeAt(0);\n        }\n      }\n\n      if (screenReaderMode) {\n        this._onA11yChar.fire(stringFromCodePoint(code));\n      }\n      if (this._getCurrentLinkId()) {\n        this._oscLinkService.addLineToLink(this._getCurrentLinkId(), this._activeBuffer.ybase + this._activeBuffer.y);\n      }\n\n      // insert combining char at last cursor position\n      // this._activeBuffer.x should never be 0 for a combining char\n      // since they always follow a cell consuming char\n      // therefore we can test for this._activeBuffer.x to avoid overflow left\n      if (!chWidth && this._activeBuffer.x) {\n        if (!bufferRow.getWidth(this._activeBuffer.x - 1)) {\n          // found empty cell after fullwidth, need to go 2 cells back\n          // it is save to step 2 cells back here\n          // since an empty cell is only set by fullwidth chars\n          bufferRow.addCodepointToCell(this._activeBuffer.x - 2, code);\n        } else {\n          bufferRow.addCodepointToCell(this._activeBuffer.x - 1, code);\n        }\n        continue;\n      }\n\n      // goto next line if ch would overflow\n      // NOTE: To avoid costly width checks here,\n      // the terminal does not allow a cols < 2.\n      if (this._activeBuffer.x + chWidth - 1 >= cols) {\n        // autowrap - DECAWM\n        // automatically wraps to the beginning of the next line\n        if (wraparoundMode) {\n          // clear left over cells to the right\n          while (this._activeBuffer.x < cols) {\n            bufferRow.setCellFromCodePoint(this._activeBuffer.x++, 0, 1, curAttr.fg, curAttr.bg, curAttr.extended);\n          }\n          this._activeBuffer.x = 0;\n          this._activeBuffer.y++;\n          if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {\n            this._activeBuffer.y--;\n            this._bufferService.scroll(this._eraseAttrData(), true);\n          } else {\n            if (this._activeBuffer.y >= this._bufferService.rows) {\n              this._activeBuffer.y = this._bufferService.rows - 1;\n            }\n            // The line already exists (eg. the initial viewport), mark it as a\n            // wrapped line\n            this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = true;\n          }\n          // row changed, get it again\n          bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n        } else {\n          this._activeBuffer.x = cols - 1;\n          if (chWidth === 2) {\n            // FIXME: check for xterm behavior\n            // What to do here? We got a wide char that does not fit into last cell\n            continue;\n          }\n        }\n      }\n\n      // insert mode: move characters to right\n      if (insertMode) {\n        // right shift cells according to the width\n        bufferRow.insertCells(this._activeBuffer.x, chWidth, this._activeBuffer.getNullCell(curAttr), curAttr);\n        // test last cell - since the last cell has only room for\n        // a halfwidth char any fullwidth shifted there is lost\n        // and will be set to empty cell\n        if (bufferRow.getWidth(cols - 1) === 2) {\n          bufferRow.setCellFromCodePoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr.fg, curAttr.bg, curAttr.extended);\n        }\n      }\n\n      // write current char to buffer and advance cursor\n      bufferRow.setCellFromCodePoint(this._activeBuffer.x++, code, chWidth, curAttr.fg, curAttr.bg, curAttr.extended);\n\n      // fullwidth char - also set next cell to placeholder stub and advance cursor\n      // for graphemes bigger than fullwidth we can simply loop to zero\n      // we already made sure above, that this._activeBuffer.x + chWidth will not overflow right\n      if (chWidth > 0) {\n        while (--chWidth) {\n          // other than a regular empty cell a cell following a wide char has no width\n          bufferRow.setCellFromCodePoint(this._activeBuffer.x++, 0, 0, curAttr.fg, curAttr.bg, curAttr.extended);\n        }\n      }\n    }\n    // store last char in Parser.precedingCodepoint for REP to work correctly\n    // This needs to check whether:\n    //  - fullwidth + surrogates: reset\n    //  - combining: only base char gets carried on (bug in xterm?)\n    if (end - start > 0) {\n      bufferRow.loadCell(this._activeBuffer.x - 1, this._workCell);\n      if (this._workCell.getWidth() === 2 || this._workCell.getCode() > 0xFFFF) {\n        this._parser.precedingCodepoint = 0;\n      } else if (this._workCell.isCombined()) {\n        this._parser.precedingCodepoint = this._workCell.getChars().charCodeAt(0);\n      } else {\n        this._parser.precedingCodepoint = this._workCell.content;\n      }\n    }\n\n    // handle wide chars: reset cell to the right if it is second cell of a wide char\n    if (this._activeBuffer.x < cols && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x) === 0 && !bufferRow.hasContent(this._activeBuffer.x)) {\n      bufferRow.setCellFromCodePoint(this._activeBuffer.x, 0, 1, curAttr.fg, curAttr.bg, curAttr.extended);\n    }\n\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n  }\n\n  /**\n   * Forward registerCsiHandler from parser.\n   */\n  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {\n    if (id.final === 't' && !id.prefix && !id.intermediates) {\n      // security: always check whether window option is allowed\n      return this._parser.registerCsiHandler(id, params => {\n        if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {\n          return true;\n        }\n        return callback(params);\n      });\n    }\n    return this._parser.registerCsiHandler(id, callback);\n  }\n\n  /**\n   * Forward registerDcsHandler from parser.\n   */\n  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {\n    return this._parser.registerDcsHandler(id, new DcsHandler(callback));\n  }\n\n  /**\n   * Forward registerEscHandler from parser.\n   */\n  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {\n    return this._parser.registerEscHandler(id, callback);\n  }\n\n  /**\n   * Forward registerOscHandler from parser.\n   */\n  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this._parser.registerOscHandler(ident, new OscHandler(callback));\n  }\n\n  /**\n   * BEL\n   * Bell (Ctrl-G).\n   *\n   * @vt: #Y   C0    BEL   \"Bell\"  \"\\a, \\x07\"  \"Ring the bell.\"\n   * The behavior of the bell is further customizable with `ITerminalOptions.bellStyle`\n   * and `ITerminalOptions.bellSound`.\n   */\n  public bell(): boolean {\n    this._onRequestBell.fire();\n    return true;\n  }\n\n  /**\n   * LF\n   * Line Feed or New Line (NL).  (LF  is Ctrl-J).\n   *\n   * @vt: #Y   C0    LF   \"Line Feed\"            \"\\n, \\x0A\"  \"Move the cursor one row down, scrolling if needed.\"\n   * Scrolling is restricted to scroll margins and will only happen on the bottom line.\n   *\n   * @vt: #Y   C0    VT   \"Vertical Tabulation\"  \"\\v, \\x0B\"  \"Treated as LF.\"\n   * @vt: #Y   C0    FF   \"Form Feed\"            \"\\f, \\x0C\"  \"Treated as LF.\"\n   */\n  public lineFeed(): boolean {\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    if (this._optionsService.rawOptions.convertEol) {\n      this._activeBuffer.x = 0;\n    }\n    this._activeBuffer.y++;\n    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {\n      this._activeBuffer.y--;\n      this._bufferService.scroll(this._eraseAttrData());\n    } else if (this._activeBuffer.y >= this._bufferService.rows) {\n      this._activeBuffer.y = this._bufferService.rows - 1;\n    } else {\n      // There was an explicit line feed (not just a carriage return), so clear the wrapped state of\n      // the line. This is particularly important on conpty/Windows where revisiting lines to\n      // reprint is common, especially on resize. Note that the windowsMode wrapped line heuristics\n      // can mess with this so windowsMode should be disabled, which is recommended on Windows build\n      // 21376 and above.\n      this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      this._activeBuffer.x--;\n    }\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n\n    this._onLineFeed.fire();\n    return true;\n  }\n\n  /**\n   * CR\n   * Carriage Return (Ctrl-M).\n   *\n   * @vt: #Y   C0    CR   \"Carriage Return\"  \"\\r, \\x0D\"  \"Move the cursor to the beginning of the row.\"\n   */\n  public carriageReturn(): boolean {\n    this._activeBuffer.x = 0;\n    return true;\n  }\n\n  /**\n   * BS\n   * Backspace (Ctrl-H).\n   *\n   * @vt: #Y   C0    BS   \"Backspace\"  \"\\b, \\x08\"  \"Move the cursor one position to the left.\"\n   * By default it is not possible to move the cursor past the leftmost position.\n   * If `reverse wrap-around` (`CSI ? 45 h`) is set, a previous soft line wrap (DECAWM)\n   * can be undone with BS within the scroll margins. In that case the cursor will wrap back\n   * to the end of the previous row. Note that it is not possible to peek back into the scrollbuffer\n   * with the cursor, thus at the home position (top-leftmost cell) this has no effect.\n   */\n  public backspace(): boolean {\n    // reverse wrap-around is disabled\n    if (!this._coreService.decPrivateModes.reverseWraparound) {\n      this._restrictCursor();\n      if (this._activeBuffer.x > 0) {\n        this._activeBuffer.x--;\n      }\n      return true;\n    }\n\n    // reverse wrap-around is enabled\n    // other than for normal operation mode, reverse wrap-around allows the cursor\n    // to be at x=cols to be able to address the last cell of a row by BS\n    this._restrictCursor(this._bufferService.cols);\n\n    if (this._activeBuffer.x > 0) {\n      this._activeBuffer.x--;\n    } else {\n      /**\n       * reverse wrap-around handling:\n       * Our implementation deviates from xterm on purpose. Details:\n       * - only previous soft NLs can be reversed (isWrapped=true)\n       * - only works within scrollborders (top/bottom, left/right not yet supported)\n       * - cannot peek into scrollbuffer\n       * - any cursor movement sequence keeps working as expected\n       */\n      if (this._activeBuffer.x === 0\n        && this._activeBuffer.y > this._activeBuffer.scrollTop\n        && this._activeBuffer.y <= this._activeBuffer.scrollBottom\n        && this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)?.isWrapped) {\n        this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;\n        this._activeBuffer.y--;\n        this._activeBuffer.x = this._bufferService.cols - 1;\n        // find last taken cell - last cell can have 3 different states:\n        // - hasContent(true) + hasWidth(1): narrow char - we are done\n        // - hasWidth(0): second part of wide char - we are done\n        // - hasContent(false) + hasWidth(1): empty cell due to early wrapping wide char, go one\n        //   cell further back\n        const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;\n        if (line.hasWidth(this._activeBuffer.x) && !line.hasContent(this._activeBuffer.x)) {\n          this._activeBuffer.x--;\n          // We do this only once, since width=1 + hasContent=false currently happens only once\n          // before early wrapping of a wide char.\n          // This needs to be fixed once we support graphemes taking more than 2 cells.\n        }\n      }\n    }\n    this._restrictCursor();\n    return true;\n  }\n\n  /**\n   * TAB\n   * Horizontal Tab (HT) (Ctrl-I).\n   *\n   * @vt: #Y   C0    HT   \"Horizontal Tabulation\"  \"\\t, \\x09\"  \"Move the cursor to the next character tab stop.\"\n   */\n  public tab(): boolean {\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      return true;\n    }\n    const originalX = this._activeBuffer.x;\n    this._activeBuffer.x = this._activeBuffer.nextStop();\n    if (this._optionsService.rawOptions.screenReaderMode) {\n      this._onA11yTab.fire(this._activeBuffer.x - originalX);\n    }\n    return true;\n  }\n\n  /**\n   * SO\n   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the\n   * G1 character set.\n   *\n   * @vt: #P[Only limited ISO-2022 charset support.]  C0    SO   \"Shift Out\"  \"\\x0E\"  \"Switch to an alternative character set.\"\n   */\n  public shiftOut(): boolean {\n    this._charsetService.setgLevel(1);\n    return true;\n  }\n\n  /**\n   * SI\n   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0\n   * character set (the default).\n   *\n   * @vt: #Y   C0    SI   \"Shift In\"   \"\\x0F\"  \"Return to regular character set after Shift Out.\"\n   */\n  public shiftIn(): boolean {\n    this._charsetService.setgLevel(0);\n    return true;\n  }\n\n  /**\n   * Restrict cursor to viewport size / scroll margin (origin mode).\n   */\n  private _restrictCursor(maxCol: number = this._bufferService.cols - 1): void {\n    this._activeBuffer.x = Math.min(maxCol, Math.max(0, this._activeBuffer.x));\n    this._activeBuffer.y = this._coreService.decPrivateModes.origin\n      ? Math.min(this._activeBuffer.scrollBottom, Math.max(this._activeBuffer.scrollTop, this._activeBuffer.y))\n      : Math.min(this._bufferService.rows - 1, Math.max(0, this._activeBuffer.y));\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n  }\n\n  /**\n   * Set absolute cursor position.\n   */\n  private _setCursor(x: number, y: number): void {\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    if (this._coreService.decPrivateModes.origin) {\n      this._activeBuffer.x = x;\n      this._activeBuffer.y = this._activeBuffer.scrollTop + y;\n    } else {\n      this._activeBuffer.x = x;\n      this._activeBuffer.y = y;\n    }\n    this._restrictCursor();\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n  }\n\n  /**\n   * Set relative cursor position.\n   */\n  private _moveCursor(x: number, y: number): void {\n    // for relative changes we have to make sure we are within 0 .. cols/rows - 1\n    // before calculating the new position\n    this._restrictCursor();\n    this._setCursor(this._activeBuffer.x + x, this._activeBuffer.y + y);\n  }\n\n  /**\n   * CSI Ps A\n   * Cursor Up Ps Times (default = 1) (CUU).\n   *\n   * @vt: #Y CSI CUU   \"Cursor Up\"   \"CSI Ps A\"  \"Move cursor `Ps` times up (default=1).\"\n   * If the cursor would pass the top scroll margin, it will stop there.\n   */\n  public cursorUp(params: IParams): boolean {\n    // stop at scrollTop\n    const diffToTop = this._activeBuffer.y - this._activeBuffer.scrollTop;\n    if (diffToTop >= 0) {\n      this._moveCursor(0, -Math.min(diffToTop, params.params[0] || 1));\n    } else {\n      this._moveCursor(0, -(params.params[0] || 1));\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps B\n   * Cursor Down Ps Times (default = 1) (CUD).\n   *\n   * @vt: #Y CSI CUD   \"Cursor Down\"   \"CSI Ps B\"  \"Move cursor `Ps` times down (default=1).\"\n   * If the cursor would pass the bottom scroll margin, it will stop there.\n   */\n  public cursorDown(params: IParams): boolean {\n    // stop at scrollBottom\n    const diffToBottom = this._activeBuffer.scrollBottom - this._activeBuffer.y;\n    if (diffToBottom >= 0) {\n      this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1));\n    } else {\n      this._moveCursor(0, params.params[0] || 1);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps C\n   * Cursor Forward Ps Times (default = 1) (CUF).\n   *\n   * @vt: #Y CSI CUF   \"Cursor Forward\"    \"CSI Ps C\"  \"Move cursor `Ps` times forward (default=1).\"\n   */\n  public cursorForward(params: IParams): boolean {\n    this._moveCursor(params.params[0] || 1, 0);\n    return true;\n  }\n\n  /**\n   * CSI Ps D\n   * Cursor Backward Ps Times (default = 1) (CUB).\n   *\n   * @vt: #Y CSI CUB   \"Cursor Backward\"   \"CSI Ps D\"  \"Move cursor `Ps` times backward (default=1).\"\n   */\n  public cursorBackward(params: IParams): boolean {\n    this._moveCursor(-(params.params[0] || 1), 0);\n    return true;\n  }\n\n  /**\n   * CSI Ps E\n   * Cursor Next Line Ps Times (default = 1) (CNL).\n   * Other than cursorDown (CUD) also set the cursor to first column.\n   *\n   * @vt: #Y CSI CNL   \"Cursor Next Line\"  \"CSI Ps E\"  \"Move cursor `Ps` times down (default=1) and to the first column.\"\n   * Same as CUD, additionally places the cursor at the first column.\n   */\n  public cursorNextLine(params: IParams): boolean {\n    this.cursorDown(params);\n    this._activeBuffer.x = 0;\n    return true;\n  }\n\n  /**\n   * CSI Ps F\n   * Cursor Previous Line Ps Times (default = 1) (CPL).\n   * Other than cursorUp (CUU) also set the cursor to first column.\n   *\n   * @vt: #Y CSI CPL   \"Cursor Backward\"   \"CSI Ps F\"  \"Move cursor `Ps` times up (default=1) and to the first column.\"\n   * Same as CUU, additionally places the cursor at the first column.\n   */\n  public cursorPrecedingLine(params: IParams): boolean {\n    this.cursorUp(params);\n    this._activeBuffer.x = 0;\n    return true;\n  }\n\n  /**\n   * CSI Ps G\n   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).\n   *\n   * @vt: #Y CSI CHA   \"Cursor Horizontal Absolute\" \"CSI Ps G\" \"Move cursor to `Ps`-th column of the active row (default=1).\"\n   */\n  public cursorCharAbsolute(params: IParams): boolean {\n    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps H\n   * Cursor Position [row;column] (default = [1,1]) (CUP).\n   *\n   * @vt: #Y CSI CUP   \"Cursor Position\"   \"CSI Ps ; Ps H\"  \"Set cursor to position [`Ps`, `Ps`] (default = [1, 1]).\"\n   * If ORIGIN mode is set, places the cursor to the absolute position within the scroll margins.\n   * If ORIGIN mode is not set, places the cursor to the absolute position within the viewport.\n   * Note that the coordinates are 1-based, thus the top left position starts at `1 ; 1`.\n   */\n  public cursorPosition(params: IParams): boolean {\n    this._setCursor(\n      // col\n      (params.length >= 2) ? (params.params[1] || 1) - 1 : 0,\n      // row\n      (params.params[0] || 1) - 1\n    );\n    return true;\n  }\n\n  /**\n   * CSI Pm `  Character Position Absolute\n   *   [column] (default = [row,1]) (HPA).\n   * Currently same functionality as CHA.\n   *\n   * @vt: #Y CSI HPA   \"Horizontal Position Absolute\"  \"CSI Ps ` \" \"Same as CHA.\"\n   */\n  public charPosAbsolute(params: IParams): boolean {\n    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);\n    return true;\n  }\n\n  /**\n   * CSI Pm a  Character Position Relative\n   *   [columns] (default = [row,col+1]) (HPR)\n   *\n   * @vt: #Y CSI HPR   \"Horizontal Position Relative\"  \"CSI Ps a\"  \"Same as CUF.\"\n   */\n  public hPositionRelative(params: IParams): boolean {\n    this._moveCursor(params.params[0] || 1, 0);\n    return true;\n  }\n\n  /**\n   * CSI Pm d  Vertical Position Absolute (VPA)\n   *   [row] (default = [1,column])\n   *\n   * @vt: #Y CSI VPA   \"Vertical Position Absolute\"    \"CSI Ps d\"  \"Move cursor to `Ps`-th row (default=1).\"\n   */\n  public linePosAbsolute(params: IParams): boolean {\n    this._setCursor(this._activeBuffer.x, (params.params[0] || 1) - 1);\n    return true;\n  }\n\n  /**\n   * CSI Pm e  Vertical Position Relative (VPR)\n   *   [rows] (default = [row+1,column])\n   * reuse CSI Ps B ?\n   *\n   * @vt: #Y CSI VPR   \"Vertical Position Relative\"    \"CSI Ps e\"  \"Move cursor `Ps` times down (default=1).\"\n   */\n  public vPositionRelative(params: IParams): boolean {\n    this._moveCursor(0, params.params[0] || 1);\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps f\n   *   Horizontal and Vertical Position [row;column] (default =\n   *   [1,1]) (HVP).\n   *   Same as CUP.\n   *\n   * @vt: #Y CSI HVP   \"Horizontal and Vertical Position\" \"CSI Ps ; Ps f\"  \"Same as CUP.\"\n   */\n  public hVPosition(params: IParams): boolean {\n    this.cursorPosition(params);\n    return true;\n  }\n\n  /**\n   * CSI Ps g  Tab Clear (TBC).\n   *     Ps = 0  -> Clear Current Column (default).\n   *     Ps = 3  -> Clear All.\n   * Potentially:\n   *   Ps = 2  -> Clear Stops on Line.\n   *   http://vt100.net/annarbor/aaa-ug/section6.html\n   *\n   * @vt: #Y CSI TBC   \"Tab Clear\" \"CSI Ps g\"  \"Clear tab stops at current position (0) or all (3) (default=0).\"\n   * Clearing tabstops off the active row (Ps = 2, VT100) is currently not supported.\n   */\n  public tabClear(params: IParams): boolean {\n    const param = params.params[0];\n    if (param === 0) {\n      delete this._activeBuffer.tabs[this._activeBuffer.x];\n    } else if (param === 3) {\n      this._activeBuffer.tabs = {};\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps I\n   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n   *\n   * @vt: #Y CSI CHT   \"Cursor Horizontal Tabulation\" \"CSI Ps I\" \"Move cursor `Ps` times tabs forward (default=1).\"\n   */\n  public cursorForwardTab(params: IParams): boolean {\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      return true;\n    }\n    let param = params.params[0] || 1;\n    while (param--) {\n      this._activeBuffer.x = this._activeBuffer.nextStop();\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n   *\n   * @vt: #Y CSI CBT   \"Cursor Backward Tabulation\"  \"CSI Ps Z\"  \"Move cursor `Ps` tabs backward (default=1).\"\n   */\n  public cursorBackwardTab(params: IParams): boolean {\n    if (this._activeBuffer.x >= this._bufferService.cols) {\n      return true;\n    }\n    let param = params.params[0] || 1;\n\n    while (param--) {\n      this._activeBuffer.x = this._activeBuffer.prevStop();\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps \" q  Select Character Protection Attribute (DECSCA).\n   *\n   * @vt: #Y CSI DECSCA   \"Select Character Protection Attribute\"  \"CSI Ps \" q\"  \"Whether DECSED and DECSEL can erase (0=default, 2) or not (1).\"\n   */\n  public selectProtected(params: IParams): boolean {\n    const p = params.params[0];\n    if (p === 1) this._curAttrData.bg |= BgFlags.PROTECTED;\n    if (p === 2 || p === 0) this._curAttrData.bg &= ~BgFlags.PROTECTED;\n    return true;\n  }\n\n\n  /**\n   * Helper method to erase cells in a terminal row.\n   * The cell gets replaced with the eraseChar of the terminal.\n   * @param y The row index relative to the viewport.\n   * @param start The start x index of the range to be erased.\n   * @param end The end x index of the range to be erased (exclusive).\n   * @param clearWrap clear the isWrapped flag\n   * @param respectProtect Whether to respect the protection attribute (DECSCA).\n   */\n  private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false, respectProtect: boolean = false): void {\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n    line.replaceCells(\n      start,\n      end,\n      this._activeBuffer.getNullCell(this._eraseAttrData()),\n      this._eraseAttrData(),\n      respectProtect\n    );\n    if (clearWrap) {\n      line.isWrapped = false;\n    }\n  }\n\n  /**\n   * Helper method to reset cells in a terminal row. The cell gets replaced with the eraseChar of\n   * the terminal and the isWrapped property is set to false.\n   * @param y row index\n   */\n  private _resetBufferLine(y: number, respectProtect: boolean = false): void {\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y);\n    if (line) {\n      line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()), respectProtect);\n      this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase + y);\n      line.isWrapped = false;\n    }\n  }\n\n  /**\n   * CSI Ps J  Erase in Display (ED).\n   *     Ps = 0  -> Erase Below (default).\n   *     Ps = 1  -> Erase Above.\n   *     Ps = 2  -> Erase All.\n   *     Ps = 3  -> Erase Saved Lines (xterm).\n   * CSI ? Ps J\n   *   Erase in Display (DECSED).\n   *     Ps = 0  -> Selective Erase Below (default).\n   *     Ps = 1  -> Selective Erase Above.\n   *     Ps = 2  -> Selective Erase All.\n   *\n   * @vt: #Y CSI ED  \"Erase In Display\"  \"CSI Ps J\"  \"Erase various parts of the viewport.\"\n   * Supported param values:\n   *\n   * | Ps | Effect                                                       |\n   * | -- | ------------------------------------------------------------ |\n   * | 0  | Erase from the cursor through the end of the viewport.       |\n   * | 1  | Erase from the beginning of the viewport through the cursor. |\n   * | 2  | Erase complete viewport.                                     |\n   * | 3  | Erase scrollback.                                            |\n   *\n   * @vt: #Y CSI DECSED   \"Selective Erase In Display\"  \"CSI ? Ps J\"  \"Same as ED with respecting protection flag.\"\n   */\n  public eraseInDisplay(params: IParams, respectProtect: boolean = false): boolean {\n    this._restrictCursor(this._bufferService.cols);\n    let j;\n    switch (params.params[0]) {\n      case 0:\n        j = this._activeBuffer.y;\n        this._dirtyRowTracker.markDirty(j);\n        this._eraseInBufferLine(j++, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);\n        for (; j < this._bufferService.rows; j++) {\n          this._resetBufferLine(j, respectProtect);\n        }\n        this._dirtyRowTracker.markDirty(j);\n        break;\n      case 1:\n        j = this._activeBuffer.y;\n        this._dirtyRowTracker.markDirty(j);\n        // Deleted front part of line and everything before. This line will no longer be wrapped.\n        this._eraseInBufferLine(j, 0, this._activeBuffer.x + 1, true, respectProtect);\n        if (this._activeBuffer.x + 1 >= this._bufferService.cols) {\n          // Deleted entire previous line. This next line can no longer be wrapped.\n          this._activeBuffer.lines.get(j + 1)!.isWrapped = false;\n        }\n        while (j--) {\n          this._resetBufferLine(j, respectProtect);\n        }\n        this._dirtyRowTracker.markDirty(0);\n        break;\n      case 2:\n        j = this._bufferService.rows;\n        this._dirtyRowTracker.markDirty(j - 1);\n        while (j--) {\n          this._resetBufferLine(j, respectProtect);\n        }\n        this._dirtyRowTracker.markDirty(0);\n        break;\n      case 3:\n        // Clear scrollback (everything not in viewport)\n        const scrollBackSize = this._activeBuffer.lines.length - this._bufferService.rows;\n        if (scrollBackSize > 0) {\n          this._activeBuffer.lines.trimStart(scrollBackSize);\n          this._activeBuffer.ybase = Math.max(this._activeBuffer.ybase - scrollBackSize, 0);\n          this._activeBuffer.ydisp = Math.max(this._activeBuffer.ydisp - scrollBackSize, 0);\n          // Force a scroll event to refresh viewport\n          this._onScroll.fire(0);\n        }\n        break;\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps K  Erase in Line (EL).\n   *     Ps = 0  -> Erase to Right (default).\n   *     Ps = 1  -> Erase to Left.\n   *     Ps = 2  -> Erase All.\n   * CSI ? Ps K\n   *   Erase in Line (DECSEL).\n   *     Ps = 0  -> Selective Erase to Right (default).\n   *     Ps = 1  -> Selective Erase to Left.\n   *     Ps = 2  -> Selective Erase All.\n   *\n   * @vt: #Y CSI EL    \"Erase In Line\"  \"CSI Ps K\"  \"Erase various parts of the active row.\"\n   * Supported param values:\n   *\n   * | Ps | Effect                                                   |\n   * | -- | -------------------------------------------------------- |\n   * | 0  | Erase from the cursor through the end of the row.        |\n   * | 1  | Erase from the beginning of the line through the cursor. |\n   * | 2  | Erase complete line.                                     |\n   *\n   * @vt: #Y CSI DECSEL   \"Selective Erase In Line\"  \"CSI ? Ps K\"  \"Same as EL with respecting protecting flag.\"\n   */\n  public eraseInLine(params: IParams, respectProtect: boolean = false): boolean {\n    this._restrictCursor(this._bufferService.cols);\n    switch (params.params[0]) {\n      case 0:\n        this._eraseInBufferLine(this._activeBuffer.y, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);\n        break;\n      case 1:\n        this._eraseInBufferLine(this._activeBuffer.y, 0, this._activeBuffer.x + 1, false, respectProtect);\n        break;\n      case 2:\n        this._eraseInBufferLine(this._activeBuffer.y, 0, this._bufferService.cols, true, respectProtect);\n        break;\n    }\n    this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    return true;\n  }\n\n  /**\n   * CSI Ps L\n   * Insert Ps Line(s) (default = 1) (IL).\n   *\n   * @vt: #Y CSI IL  \"Insert Line\"   \"CSI Ps L\"  \"Insert `Ps` blank lines at active row (default=1).\"\n   * For every inserted line at the scroll top one line at the scroll bottom gets removed.\n   * The cursor is set to the first column.\n   * IL has no effect if the cursor is outside the scroll margins.\n   */\n  public insertLines(params: IParams): boolean {\n    this._restrictCursor();\n    let param = params.params[0] || 1;\n\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n\n    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;\n\n    const scrollBottomRowsOffset = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;\n    const scrollBottomAbsolute = this._bufferService.rows - 1 + this._activeBuffer.ybase - scrollBottomRowsOffset + 1;\n    while (param--) {\n      // test: echo -e '\\e[44m\\e[1L\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._activeBuffer.lines.splice(scrollBottomAbsolute - 1, 1);\n      this._activeBuffer.lines.splice(row, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n    }\n\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);\n    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?\n    return true;\n  }\n\n  /**\n   * CSI Ps M\n   * Delete Ps Line(s) (default = 1) (DL).\n   *\n   * @vt: #Y CSI DL  \"Delete Line\"   \"CSI Ps M\"  \"Delete `Ps` lines at active row (default=1).\"\n   * For every deleted line at the scroll top one blank line at the scroll bottom gets appended.\n   * The cursor is set to the first column.\n   * DL has no effect if the cursor is outside the scroll margins.\n   */\n  public deleteLines(params: IParams): boolean {\n    this._restrictCursor();\n    let param = params.params[0] || 1;\n\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n\n    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;\n\n    let j: number;\n    j = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;\n    j = this._bufferService.rows - 1 + this._activeBuffer.ybase - j;\n    while (param--) {\n      // test: echo -e '\\e[44m\\e[1M\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._activeBuffer.lines.splice(row, 1);\n      this._activeBuffer.lines.splice(j, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n    }\n\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);\n    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?\n    return true;\n  }\n\n  /**\n   * CSI Ps @\n   * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n   *\n   * @vt: #Y CSI ICH  \"Insert Characters\"   \"CSI Ps @\"  \"Insert `Ps` (blank) characters (default = 1).\"\n   * The ICH sequence inserts `Ps` blank characters. The cursor remains at the beginning of the\n   * blank characters. Text between the cursor and right margin moves to the right. Characters moved\n   * past the right margin are lost.\n   *\n   *\n   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)\n   */\n  public insertChars(params: IParams): boolean {\n    this._restrictCursor();\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);\n    if (line) {\n      line.insertCells(\n        this._activeBuffer.x,\n        params.params[0] || 1,\n        this._activeBuffer.getNullCell(this._eraseAttrData()),\n        this._eraseAttrData()\n      );\n      this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps P\n   * Delete Ps Character(s) (default = 1) (DCH).\n   *\n   * @vt: #Y CSI DCH   \"Delete Character\"  \"CSI Ps P\"  \"Delete `Ps` characters (default=1).\"\n   * As characters are deleted, the remaining characters between the cursor and right margin move to\n   * the left. Character attributes move with the characters. The terminal adds blank characters at\n   * the right margin.\n   *\n   *\n   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)\n   */\n  public deleteChars(params: IParams): boolean {\n    this._restrictCursor();\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);\n    if (line) {\n      line.deleteCells(\n        this._activeBuffer.x,\n        params.params[0] || 1,\n        this._activeBuffer.getNullCell(this._eraseAttrData()),\n        this._eraseAttrData()\n      );\n      this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).\n   *\n   * @vt: #Y CSI SU  \"Scroll Up\"   \"CSI Ps S\"  \"Scroll `Ps` lines up (default=1).\"\n   *\n   *\n   * FIXME: scrolled out lines at top = 1 should add to scrollback (xterm)\n   */\n  public scrollUp(params: IParams): boolean {\n    let param = params.params[0] || 1;\n\n    while (param--) {\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 1);\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).\n   *\n   * @vt: #Y CSI SD  \"Scroll Down\"   \"CSI Ps T\"  \"Scroll `Ps` lines down (default=1).\"\n   */\n  public scrollDown(params: IParams): boolean {\n    let param = params.params[0] || 1;\n\n    while (param--) {\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 1);\n      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 0, this._activeBuffer.getBlankLine(DEFAULT_ATTR_DATA));\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps SP @  Scroll left Ps columns (default = 1) (SL) ECMA-48\n   *\n   * Notation: (Pn)\n   * Representation: CSI Pn 02/00 04/00\n   * Parameter default value: Pn = 1\n   * SL causes the data in the presentation component to be moved by n character positions\n   * if the line orientation is horizontal, or by n line positions if the line orientation\n   * is vertical, such that the data appear to move to the left; where n equals the value of Pn.\n   * The active presentation position is not affected by this control function.\n   *\n   * Supported:\n   *   - always left shift (no line orientation setting respected)\n   *\n   * @vt: #Y CSI SL  \"Scroll Left\" \"CSI Ps SP @\" \"Scroll viewport `Ps` times to the left.\"\n   * SL moves the content of all lines within the scroll margins `Ps` times to the left.\n   * SL has no effect outside of the scroll margins.\n   */\n  public scrollLeft(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.deleteCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps SP A  Scroll right Ps columns (default = 1) (SR) ECMA-48\n   *\n   * Notation: (Pn)\n   * Representation: CSI Pn 02/00 04/01\n   * Parameter default value: Pn = 1\n   * SR causes the data in the presentation component to be moved by n character positions\n   * if the line orientation is horizontal, or by n line positions if the line orientation\n   * is vertical, such that the data appear to move to the right; where n equals the value of Pn.\n   * The active presentation position is not affected by this control function.\n   *\n   * Supported:\n   *   - always right shift (no line orientation setting respected)\n   *\n   * @vt: #Y CSI SR  \"Scroll Right\"  \"CSI Ps SP A\"   \"Scroll viewport `Ps` times to the right.\"\n   * SL moves the content of all lines within the scroll margins `Ps` times to the right.\n   * Content at the right margin is lost.\n   * SL has no effect outside of the scroll margins.\n   */\n  public scrollRight(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.insertCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Pm ' }\n   * Insert Ps Column(s) (default = 1) (DECIC), VT420 and up.\n   *\n   * @vt: #Y CSI DECIC \"Insert Columns\"  \"CSI Ps ' }\"  \"Insert `Ps` columns at cursor position.\"\n   * DECIC inserts `Ps` times blank columns at the cursor position for all lines with the scroll\n   * margins, moving content to the right. Content at the right margin is lost. DECIC has no effect\n   * outside the scrolling margins.\n   */\n  public insertColumns(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.insertCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Pm ' ~\n   * Delete Ps Column(s) (default = 1) (DECDC), VT420 and up.\n   *\n   * @vt: #Y CSI DECDC \"Delete Columns\"  \"CSI Ps ' ~\"  \"Delete `Ps` columns at cursor position.\"\n   * DECDC deletes `Ps` times columns at the cursor position for all lines with the scroll margins,\n   * moving content to the left. Blank columns are added at the right margin.\n   * DECDC has no effect outside the scrolling margins.\n   */\n  public deleteColumns(params: IParams): boolean {\n    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {\n      return true;\n    }\n    const param = params.params[0] || 1;\n    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {\n      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;\n      line.deleteCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());\n      line.isWrapped = false;\n    }\n    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    return true;\n  }\n\n  /**\n   * CSI Ps X\n   * Erase Ps Character(s) (default = 1) (ECH).\n   *\n   * @vt: #Y CSI ECH   \"Erase Character\"   \"CSI Ps X\"  \"Erase `Ps` characters from current cursor position to the right (default=1).\"\n   * ED erases `Ps` characters from current cursor position to the right.\n   * ED works inside or outside the scrolling margins.\n   */\n  public eraseChars(params: IParams): boolean {\n    this._restrictCursor();\n    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);\n    if (line) {\n      line.replaceCells(\n        this._activeBuffer.x,\n        this._activeBuffer.x + (params.params[0] || 1),\n        this._activeBuffer.getNullCell(this._eraseAttrData()),\n        this._eraseAttrData()\n      );\n      this._dirtyRowTracker.markDirty(this._activeBuffer.y);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).\n   * From ECMA 48 (@see http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf)\n   *    Notation: (Pn)\n   *    Representation: CSI Pn 06/02\n   *    Parameter default value: Pn = 1\n   *    REP is used to indicate that the preceding character in the data stream,\n   *    if it is a graphic character (represented by one or more bit combinations) including SPACE,\n   *    is to be repeated n times, where n equals the value of Pn.\n   *    If the character preceding REP is a control function or part of a control function,\n   *    the effect of REP is not defined by this Standard.\n   *\n   * Since we propagate the terminal as xterm-256color we have to follow xterm's behavior:\n   *    - fullwidth + surrogate chars are ignored\n   *    - for combining chars only the base char gets repeated\n   *    - text attrs are applied normally\n   *    - wrap around is respected\n   *    - any valid sequence resets the carried forward char\n   *\n   * Note: To get reset on a valid sequence working correctly without much runtime penalty, the\n   * preceding codepoint is stored on the parser in `this.print` and reset during `parser.parse`.\n   *\n   * @vt: #Y CSI REP   \"Repeat Preceding Character\"    \"CSI Ps b\"  \"Repeat preceding character `Ps` times (default=1).\"\n   * REP repeats the previous character `Ps` times advancing the cursor, also wrapping if DECAWM is\n   * set. REP has no effect if the sequence does not follow a printable ASCII character\n   * (NOOP for any other sequence in between or NON ASCII characters).\n   */\n  public repeatPrecedingCharacter(params: IParams): boolean {\n    if (!this._parser.precedingCodepoint) {\n      return true;\n    }\n    // call print to insert the chars and handle correct wrapping\n    const length = params.params[0] || 1;\n    const data = new Uint32Array(length);\n    for (let i = 0; i < length; ++i) {\n      data[i] = this._parser.precedingCodepoint;\n    }\n    this.print(data, 0, data.length);\n    return true;\n  }\n\n  /**\n   * CSI Ps c  Send Device Attributes (Primary DA).\n   *     Ps = 0  or omitted -> request attributes from terminal.  The\n   *     response depends on the decTerminalID resource setting.\n   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')\n   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')\n   *     -> CSI ? 6 c  (``VT102'')\n   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')\n   *   The VT100-style response parameters do not mean anything by\n   *   themselves.  VT220 parameters do, telling the host what fea-\n   *   tures the terminal supports:\n   *     Ps = 1  -> 132-columns.\n   *     Ps = 2  -> Printer.\n   *     Ps = 6  -> Selective erase.\n   *     Ps = 8  -> User-defined keys.\n   *     Ps = 9  -> National replacement character sets.\n   *     Ps = 1 5  -> Technical characters.\n   *     Ps = 2 2  -> ANSI color, e.g., VT525.\n   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).\n   *\n   * @vt: #Y CSI DA1   \"Primary Device Attributes\"     \"CSI c\"  \"Send primary device attributes.\"\n   *\n   *\n   * TODO: fix and cleanup response\n   */\n  public sendDeviceAttributesPrimary(params: IParams): boolean {\n    if (params.params[0] > 0) {\n      return true;\n    }\n    if (this._is('xterm') || this._is('rxvt-unicode') || this._is('screen')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[?1;2c');\n    } else if (this._is('linux')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[?6c');\n    }\n    return true;\n  }\n\n  /**\n   * CSI > Ps c\n   *   Send Device Attributes (Secondary DA).\n   *     Ps = 0  or omitted -> request the terminal's identification\n   *     code.  The response depends on the decTerminalID resource set-\n   *     ting.  It should apply only to VT220 and up, but xterm extends\n   *     this to VT100.\n   *     -> CSI  > Pp ; Pv ; Pc c\n   *   where Pp denotes the terminal type\n   *     Pp = 0  -> ``VT100''.\n   *     Pp = 1  -> ``VT220''.\n   *   and Pv is the firmware version (for xterm, this was originally\n   *   the XFree86 patch number, starting with 95).  In a DEC termi-\n   *   nal, Pc indicates the ROM cartridge registration number and is\n   *   always zero.\n   * More information:\n   *   xterm/charproc.c - line 2012, for more information.\n   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n   *\n   * @vt: #Y CSI DA2   \"Secondary Device Attributes\"   \"CSI > c\" \"Send primary device attributes.\"\n   *\n   *\n   * TODO: fix and cleanup response\n   */\n  public sendDeviceAttributesSecondary(params: IParams): boolean {\n    if (params.params[0] > 0) {\n      return true;\n    }\n    // xterm and urxvt\n    // seem to spit this\n    // out around ~370 times (?).\n    if (this._is('xterm')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[>0;276;0c');\n    } else if (this._is('rxvt-unicode')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[>85;95;0c');\n    } else if (this._is('linux')) {\n      // not supported by linux console.\n      // linux console echoes parameters.\n      this._coreService.triggerDataEvent(params.params[0] + 'c');\n    } else if (this._is('screen')) {\n      this._coreService.triggerDataEvent(C0.ESC + '[>83;40003;0c');\n    }\n    return true;\n  }\n\n  /**\n   * Evaluate if the current terminal is the given argument.\n   * @param term The terminal name to evaluate\n   */\n  private _is(term: string): boolean {\n    return (this._optionsService.rawOptions.termName + '').indexOf(term) === 0;\n  }\n\n  /**\n   * CSI Pm h  Set Mode (SM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Insert Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Automatic Newline (LNM).\n   *\n   * @vt: #P[Only IRM is supported.]    CSI SM    \"Set Mode\"  \"CSI Pm h\"  \"Set various terminal modes.\"\n   * Supported param values by SM:\n   *\n   * | Param | Action                                 | Support |\n   * | ----- | -------------------------------------- | ------- |\n   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |\n   * | 4     | Insert Mode (IRM).                     | #Y      |\n   * | 12    | Send/receive (SRM). Always off.        | #N      |\n   * | 20    | Automatic Newline (LNM).               | #Y      |\n   */\n  public setMode(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 4:\n          this._coreService.modes.insertMode = true;\n          break;\n        case 20:\n          this._optionsService.options.convertEol = true;\n          break;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI ? Pm h\n   *   DEC Private Mode Set (DECSET).\n   *     Ps = 1  -> Application Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate USASCII for character sets G0-G3\n   *     (DECANM), and set VT100 mode.\n   *     Ps = 3  -> 132 Column Mode (DECCOLM).\n   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).\n   *     Ps = 5  -> Reverse Video (DECSCNM).\n   *     Ps = 6  -> Origin Mode (DECOM).\n   *     Ps = 7  -> Wraparound Mode (DECAWM).\n   *     Ps = 8  -> Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-\n   *     tion Mouse Tracking.\n   *     Ps = 1 0  -> Show toolbar (rxvt).\n   *     Ps = 1 2  -> Start Blinking Cursor (att610).\n   *     Ps = 1 8  -> Print form feed (DECPFF).\n   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).\n   *     Ps = 2 5  -> Show Cursor (DECTCEM).\n   *     Ps = 3 0  -> Show scrollbar (rxvt).\n   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).\n   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).\n   *     Ps = 4 0  -> Allow 80 -> 132 Mode.\n   *     Ps = 4 1  -> more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-\n   *     RCM).\n   *     Ps = 4 4  -> Turn On Margin Bell.\n   *     Ps = 4 5  -> Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a\n   *     compile-time option.\n   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 6 6  -> Application keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).\n   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).\n   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Interpret \"meta\" key, sets eighth bit.\n   *     (enables the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-\n   *     Lock keys.  (This enables the numLock resource).\n   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This\n   *     enables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete\n   *     key.\n   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This\n   *     enables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.\n   *     (This enables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when\n   *     Control-G is received.  (This enables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G\n   *     is received.  (enables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate\n   *     Screen Buffer, clearing it first.  (This may be disabled by\n   *     the titeInhibit resource).  This combines the effects of the 1\n   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based\n   *     applications rather than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Set Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Set HP function-key mode.\n   *     Ps = 1 0 5 3  -> Set SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.\n   *     Ps = 2 0 0 4  -> Set bracketed paste mode.\n   * Modes:\n   *   http: *vt100.net/docs/vt220-rm/chapter4.html\n   *\n   * @vt: #P[See below for supported modes.]    CSI DECSET  \"DEC Private Set Mode\" \"CSI ? Pm h\"  \"Set various terminal attributes.\"\n   * Supported param values by DECSET:\n   *\n   * | param | Action                                                  | Support |\n   * | ----- | ------------------------------------------------------- | --------|\n   * | 1     | Application Cursor Keys (DECCKM).                       | #Y      |\n   * | 2     | Designate US-ASCII for character sets G0-G3 (DECANM).   | #Y      |\n   * | 3     | 132 Column Mode (DECCOLM).                              | #Y      |\n   * | 6     | Origin Mode (DECOM).                                    | #Y      |\n   * | 7     | Auto-wrap Mode (DECAWM).                                | #Y      |\n   * | 8     | Auto-repeat Keys (DECARM). Always on.                   | #N      |\n   * | 9     | X10 xterm mouse protocol.                               | #Y      |\n   * | 12    | Start Blinking Cursor.                                  | #Y      |\n   * | 25    | Show Cursor (DECTCEM).                                  | #Y      |\n   * | 45    | Reverse wrap-around.                                    | #Y      |\n   * | 47    | Use Alternate Screen Buffer.                            | #Y      |\n   * | 66    | Application keypad (DECNKM).                            | #Y      |\n   * | 1000  | X11 xterm mouse protocol.                               | #Y      |\n   * | 1002  | Use Cell Motion Mouse Tracking.                         | #Y      |\n   * | 1003  | Use All Motion Mouse Tracking.                          | #Y      |\n   * | 1004  | Send FocusIn/FocusOut events                            | #Y      |\n   * | 1005  | Enable UTF-8 Mouse Mode.                                | #N      |\n   * | 1006  | Enable SGR Mouse Mode.                                  | #Y      |\n   * | 1015  | Enable urxvt Mouse Mode.                                | #N      |\n   * | 1016  | Enable SGR-Pixels Mouse Mode.                           | #Y      |\n   * | 1047  | Use Alternate Screen Buffer.                            | #Y      |\n   * | 1048  | Save cursor as in DECSC.                                | #Y      |\n   * | 1049  | Save cursor and switch to alternate buffer clearing it. | #P[Does not clear the alternate buffer.] |\n   * | 2004  | Set bracketed paste mode.                               | #Y      |\n   *\n   *\n   * FIXME: implement DECSCNM, 1049 should clear altbuffer\n   */\n  public setModePrivate(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 1:\n          this._coreService.decPrivateModes.applicationCursorKeys = true;\n          break;\n        case 2:\n          this._charsetService.setgCharset(0, DEFAULT_CHARSET);\n          this._charsetService.setgCharset(1, DEFAULT_CHARSET);\n          this._charsetService.setgCharset(2, DEFAULT_CHARSET);\n          this._charsetService.setgCharset(3, DEFAULT_CHARSET);\n          // set VT100 mode here\n          break;\n        case 3:\n          /**\n           * DECCOLM - 132 column mode.\n           * This is only active if 'SetWinLines' (24) is enabled\n           * through `options.windowsOptions`.\n           */\n          if (this._optionsService.rawOptions.windowOptions.setWinLines) {\n            this._bufferService.resize(132, this._bufferService.rows);\n            this._onRequestReset.fire();\n          }\n          break;\n        case 6:\n          this._coreService.decPrivateModes.origin = true;\n          this._setCursor(0, 0);\n          break;\n        case 7:\n          this._coreService.decPrivateModes.wraparound = true;\n          break;\n        case 12:\n          this._optionsService.options.cursorBlink = true;\n          break;\n        case 45:\n          this._coreService.decPrivateModes.reverseWraparound = true;\n          break;\n        case 66:\n          this._logService.debug('Serial port requested application keypad.');\n          this._coreService.decPrivateModes.applicationKeypad = true;\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 9: // X10 Mouse\n          // no release, no motion, no wheel, no modifiers.\n          this._coreMouseService.activeProtocol = 'X10';\n          break;\n        case 1000: // vt200 mouse\n          // no motion.\n          this._coreMouseService.activeProtocol = 'VT200';\n          break;\n        case 1002: // button event mouse\n          this._coreMouseService.activeProtocol = 'DRAG';\n          break;\n        case 1003: // any event mouse\n          // any event - sends motion events,\n          // even if there is no button held down.\n          this._coreMouseService.activeProtocol = 'ANY';\n          break;\n        case 1004: // send focusin/focusout events\n          // focusin: ^[[I\n          // focusout: ^[[O\n          this._coreService.decPrivateModes.sendFocus = true;\n          this._onRequestSendFocus.fire();\n          break;\n        case 1005: // utf8 ext mode mouse - removed in #2507\n          this._logService.debug('DECSET 1005 not supported (see #2507)');\n          break;\n        case 1006: // sgr ext mode mouse\n          this._coreMouseService.activeEncoding = 'SGR';\n          break;\n        case 1015: // urxvt ext mode mouse - removed in #2507\n          this._logService.debug('DECSET 1015 not supported (see #2507)');\n          break;\n        case 1016: // sgr pixels mode mouse\n          this._coreMouseService.activeEncoding = 'SGR_PIXELS';\n          break;\n        case 25: // show cursor\n          this._coreService.isCursorHidden = false;\n          break;\n        case 1048: // alt screen cursor\n          this.saveCursor();\n          break;\n        case 1049: // alt screen buffer cursor\n          this.saveCursor();\n        // FALL-THROUGH\n        case 47: // alt screen buffer\n        case 1047: // alt screen buffer\n          this._bufferService.buffers.activateAltBuffer(this._eraseAttrData());\n          this._coreService.isCursorInitialized = true;\n          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n          this._coreService.decPrivateModes.bracketedPasteMode = true;\n          break;\n      }\n    }\n    return true;\n  }\n\n\n  /**\n   * CSI Pm l  Reset Mode (RM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Replace Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Normal Linefeed (LNM).\n   *\n   * @vt: #P[Only IRM is supported.]    CSI RM    \"Reset Mode\"  \"CSI Pm l\"  \"Set various terminal attributes.\"\n   * Supported param values by RM:\n   *\n   * | Param | Action                                 | Support |\n   * | ----- | -------------------------------------- | ------- |\n   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |\n   * | 4     | Replace Mode (IRM). (default)          | #Y      |\n   * | 12    | Send/receive (SRM). Always off.        | #N      |\n   * | 20    | Normal Linefeed (LNM).                 | #Y      |\n   *\n   *\n   * FIXME: why is LNM commented out?\n   */\n  public resetMode(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 4:\n          this._coreService.modes.insertMode = false;\n          break;\n        case 20:\n          this._optionsService.options.convertEol = false;\n          break;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI ? Pm l\n   *   DEC Private Mode Reset (DECRST).\n   *     Ps = 1  -> Normal Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate VT52 mode (DECANM).\n   *     Ps = 3  -> 80 Column Mode (DECCOLM).\n   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).\n   *     Ps = 5  -> Normal Video (DECSCNM).\n   *     Ps = 6  -> Normal Cursor Mode (DECOM).\n   *     Ps = 7  -> No Wraparound Mode (DECAWM).\n   *     Ps = 8  -> No Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Don't send Mouse X & Y on button press.\n   *     Ps = 1 0  -> Hide toolbar (rxvt).\n   *     Ps = 1 2  -> Stop Blinking Cursor (att610).\n   *     Ps = 1 8  -> Don't print form feed (DECPFF).\n   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).\n   *     Ps = 2 5  -> Hide Cursor (DECTCEM).\n   *     Ps = 3 0  -> Don't show scrollbar (rxvt).\n   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).\n   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.\n   *     Ps = 4 1  -> No more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-\n   *     NRCM).\n   *     Ps = 4 4  -> Turn Off Margin Bell.\n   *     Ps = 4 5  -> No Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a\n   *     compile-time option).\n   *     Ps = 4 7  -> Use Normal Screen Buffer.\n   *     Ps = 6 6  -> Numeric keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).\n   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output\n   *     (rxvt).\n   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Don't interpret \"meta\" key.  (This disables\n   *     the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-\n   *     Lock keys.  (This disables the numLock resource).\n   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.\n   *     (This disables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad\n   *     Delete key.\n   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.\n   *     (This disables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.\n   *     (This disables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when\n   *     Control-G is received.  (This disables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-\n   *     G is received.  (This disables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen\n   *     first if in the Alternate Screen.  (This may be disabled by\n   *     the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor\n   *     as in DECRC.  (This may be disabled by the titeInhibit\n   *     resource).  This combines the effects of the 1 0 4 7  and 1 0\n   *     4 8  modes.  Use this with terminfo-based applications rather\n   *     than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Reset HP function-key mode.\n   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.\n   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.\n   *\n   * @vt: #P[See below for supported modes.]    CSI DECRST  \"DEC Private Reset Mode\" \"CSI ? Pm l\"  \"Reset various terminal attributes.\"\n   * Supported param values by DECRST:\n   *\n   * | param | Action                                                  | Support |\n   * | ----- | ------------------------------------------------------- | ------- |\n   * | 1     | Normal Cursor Keys (DECCKM).                            | #Y      |\n   * | 2     | Designate VT52 mode (DECANM).                           | #N      |\n   * | 3     | 80 Column Mode (DECCOLM).                               | #B[Switches to old column width instead of 80.] |\n   * | 6     | Normal Cursor Mode (DECOM).                             | #Y      |\n   * | 7     | No Wraparound Mode (DECAWM).                            | #Y      |\n   * | 8     | No Auto-repeat Keys (DECARM).                           | #N      |\n   * | 9     | Don't send Mouse X & Y on button press.                 | #Y      |\n   * | 12    | Stop Blinking Cursor.                                   | #Y      |\n   * | 25    | Hide Cursor (DECTCEM).                                  | #Y      |\n   * | 45    | No reverse wrap-around.                                 | #Y      |\n   * | 47    | Use Normal Screen Buffer.                               | #Y      |\n   * | 66    | Numeric keypad (DECNKM).                                | #Y      |\n   * | 1000  | Don't send Mouse reports.                               | #Y      |\n   * | 1002  | Don't use Cell Motion Mouse Tracking.                   | #Y      |\n   * | 1003  | Don't use All Motion Mouse Tracking.                    | #Y      |\n   * | 1004  | Don't send FocusIn/FocusOut events.                     | #Y      |\n   * | 1005  | Disable UTF-8 Mouse Mode.                               | #N      |\n   * | 1006  | Disable SGR Mouse Mode.                                 | #Y      |\n   * | 1015  | Disable urxvt Mouse Mode.                               | #N      |\n   * | 1016  | Disable SGR-Pixels Mouse Mode.                          | #Y      |\n   * | 1047  | Use Normal Screen Buffer (clearing screen if in alt).   | #Y      |\n   * | 1048  | Restore cursor as in DECRC.                             | #Y      |\n   * | 1049  | Use Normal Screen Buffer and restore cursor.            | #Y      |\n   * | 2004  | Reset bracketed paste mode.                             | #Y      |\n   *\n   *\n   * FIXME: DECCOLM is currently broken (already fixed in window options PR)\n   */\n  public resetModePrivate(params: IParams): boolean {\n    for (let i = 0; i < params.length; i++) {\n      switch (params.params[i]) {\n        case 1:\n          this._coreService.decPrivateModes.applicationCursorKeys = false;\n          break;\n        case 3:\n          /**\n           * DECCOLM - 80 column mode.\n           * This is only active if 'SetWinLines' (24) is enabled\n           * through `options.windowsOptions`.\n           */\n          if (this._optionsService.rawOptions.windowOptions.setWinLines) {\n            this._bufferService.resize(80, this._bufferService.rows);\n            this._onRequestReset.fire();\n          }\n          break;\n        case 6:\n          this._coreService.decPrivateModes.origin = false;\n          this._setCursor(0, 0);\n          break;\n        case 7:\n          this._coreService.decPrivateModes.wraparound = false;\n          break;\n        case 12:\n          this._optionsService.options.cursorBlink = false;\n          break;\n        case 45:\n          this._coreService.decPrivateModes.reverseWraparound = false;\n          break;\n        case 66:\n          this._logService.debug('Switching back to normal keypad.');\n          this._coreService.decPrivateModes.applicationKeypad = false;\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 9: // X10 Mouse\n        case 1000: // vt200 mouse\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          this._coreMouseService.activeProtocol = 'NONE';\n          break;\n        case 1004: // send focusin/focusout events\n          this._coreService.decPrivateModes.sendFocus = false;\n          break;\n        case 1005: // utf8 ext mode mouse - removed in #2507\n          this._logService.debug('DECRST 1005 not supported (see #2507)');\n          break;\n        case 1006: // sgr ext mode mouse\n          this._coreMouseService.activeEncoding = 'DEFAULT';\n          break;\n        case 1015: // urxvt ext mode mouse - removed in #2507\n          this._logService.debug('DECRST 1015 not supported (see #2507)');\n          break;\n        case 1016: // sgr pixels mode mouse\n          this._coreMouseService.activeEncoding = 'DEFAULT';\n          break;\n        case 25: // hide cursor\n          this._coreService.isCursorHidden = true;\n          break;\n        case 1048: // alt screen cursor\n          this.restoreCursor();\n          break;\n        case 1049: // alt screen buffer cursor\n        // FALL-THROUGH\n        case 47: // normal screen buffer\n        case 1047: // normal screen buffer - clearing it first\n          // Ensure the selection manager has the correct buffer\n          this._bufferService.buffers.activateNormalBuffer();\n          if (params.params[i] === 1049) {\n            this.restoreCursor();\n          }\n          this._coreService.isCursorInitialized = true;\n          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);\n          this._onRequestSyncScrollBar.fire();\n          break;\n        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n          this._coreService.decPrivateModes.bracketedPasteMode = false;\n          break;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps $ p Request ANSI Mode (DECRQM).\n   *\n   * Reports CSI Ps; Pm $ y (DECRPM), where Ps is the mode number as in SM/RM,\n   * and Pm is the mode value:\n   *    0 - not recognized\n   *    1 - set\n   *    2 - reset\n   *    3 - permanently set\n   *    4 - permanently reset\n   *\n   * @vt: #Y  CSI   DECRQM  \"Request Mode\"  \"CSI Ps $p\"  \"Request mode state.\"\n   * Returns a report as `CSI Ps; Pm $ y` (DECRPM), where `Ps` is the mode number as in SM/RM\n   * or DECSET/DECRST, and `Pm` is the mode value:\n   * - 0: not recognized\n   * - 1: set\n   * - 2: reset\n   * - 3: permanently set\n   * - 4: permanently reset\n   *\n   * For modes not understood xterm.js always returns `notRecognized`. In general this means,\n   * that a certain operation mode is not implemented and cannot be used.\n   *\n   * Modes changing the active terminal buffer (47, 1047, 1049) are not subqueried\n   * and only report, whether the alternate buffer is set.\n   *\n   * Mouse encodings and mouse protocols are handled mutual exclusive,\n   * thus only one of each of those can be set at a given time.\n   *\n   * There is a chance, that some mode reports are not fully in line with xterm.js' behavior,\n   * e.g. if the default implementation already exposes a certain behavior. If you find\n   * discrepancies in the mode reports, please file a bug.\n   */\n  public requestMode(params: IParams, ansi: boolean): boolean {\n    // return value as in DECRPM\n    const enum V {\n      NOT_RECOGNIZED = 0,\n      SET = 1,\n      RESET = 2,\n      PERMANENTLY_SET = 3,\n      PERMANENTLY_RESET = 4\n    }\n\n    // access helpers\n    const dm = this._coreService.decPrivateModes;\n    const { activeProtocol: mouseProtocol, activeEncoding: mouseEncoding } = this._coreMouseService;\n    const cs = this._coreService;\n    const { buffers, cols } = this._bufferService;\n    const { active, alt } = buffers;\n    const opts = this._optionsService.rawOptions;\n\n    const f = (m: number, v: V): boolean => {\n      cs.triggerDataEvent(`${C0.ESC}[${ansi ? '' : '?'}${m};${v}$y`);\n      return true;\n    };\n    const b2v = (value: boolean): V => value ? V.SET : V.RESET;\n\n    const p = params.params[0];\n\n    if (ansi) {\n      if (p === 2) return f(p, V.PERMANENTLY_RESET);\n      if (p === 4) return f(p, b2v(cs.modes.insertMode));\n      if (p === 12) return f(p, V.PERMANENTLY_SET);\n      if (p === 20) return f(p, b2v(opts.convertEol));\n      return f(p, V.NOT_RECOGNIZED);\n    }\n\n    if (p === 1) return f(p, b2v(dm.applicationCursorKeys));\n    if (p === 3) return f(p, opts.windowOptions.setWinLines ? (cols === 80 ? V.RESET : cols === 132 ? V.SET : V.NOT_RECOGNIZED) : V.NOT_RECOGNIZED);\n    if (p === 6) return f(p, b2v(dm.origin));\n    if (p === 7) return f(p, b2v(dm.wraparound));\n    if (p === 8) return f(p, V.PERMANENTLY_SET);\n    if (p === 9) return f(p, b2v(mouseProtocol === 'X10'));\n    if (p === 12) return f(p, b2v(opts.cursorBlink));\n    if (p === 25) return f(p, b2v(!cs.isCursorHidden));\n    if (p === 45) return f(p, b2v(dm.reverseWraparound));\n    if (p === 66) return f(p, b2v(dm.applicationKeypad));\n    if (p === 67) return f(p, V.PERMANENTLY_RESET);\n    if (p === 1000) return f(p, b2v(mouseProtocol === 'VT200'));\n    if (p === 1002) return f(p, b2v(mouseProtocol === 'DRAG'));\n    if (p === 1003) return f(p, b2v(mouseProtocol === 'ANY'));\n    if (p === 1004) return f(p, b2v(dm.sendFocus));\n    if (p === 1005) return f(p, V.PERMANENTLY_RESET);\n    if (p === 1006) return f(p, b2v(mouseEncoding === 'SGR'));\n    if (p === 1015) return f(p, V.PERMANENTLY_RESET);\n    if (p === 1016) return f(p, b2v(mouseEncoding === 'SGR_PIXELS'));\n    if (p === 1048) return f(p, V.SET); // xterm always returns SET here\n    if (p === 47 || p === 1047 || p === 1049) return f(p, b2v(active === alt));\n    if (p === 2004) return f(p, b2v(dm.bracketedPasteMode));\n    return f(p, V.NOT_RECOGNIZED);\n  }\n\n  /**\n   * Helper to write color information packed with color mode.\n   */\n  private _updateAttrColor(color: number, mode: number, c1: number, c2: number, c3: number): number {\n    if (mode === 2) {\n      color |= Attributes.CM_RGB;\n      color &= ~Attributes.RGB_MASK;\n      color |= AttributeData.fromColorRGB([c1, c2, c3]);\n    } else if (mode === 5) {\n      color &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n      color |= Attributes.CM_P256 | (c1 & 0xff);\n    }\n    return color;\n  }\n\n  /**\n   * Helper to extract and apply color params/subparams.\n   * Returns advance for params index.\n   */\n  private _extractColor(params: IParams, pos: number, attr: IAttributeData): number {\n    // normalize params\n    // meaning: [target, CM, ign, val, val, val]\n    // RGB    : [ 38/48,  2, ign,   r,   g,   b]\n    // P256   : [ 38/48,  5, ign,   v, ign, ign]\n    const accu = [0, 0, -1, 0, 0, 0];\n\n    // alignment placeholder for non color space sequences\n    let cSpace = 0;\n\n    // return advance we took in params\n    let advance = 0;\n\n    do {\n      accu[advance + cSpace] = params.params[pos + advance];\n      if (params.hasSubParams(pos + advance)) {\n        const subparams = params.getSubParams(pos + advance)!;\n        let i = 0;\n        do {\n          if (accu[1] === 5) {\n            cSpace = 1;\n          }\n          accu[advance + i + 1 + cSpace] = subparams[i];\n        } while (++i < subparams.length && i + advance + 1 + cSpace < accu.length);\n        break;\n      }\n      // exit early if can decide color mode with semicolons\n      if ((accu[1] === 5 && advance + cSpace >= 2)\n        || (accu[1] === 2 && advance + cSpace >= 5)) {\n        break;\n      }\n      // offset colorSpace slot for semicolon mode\n      if (accu[1]) {\n        cSpace = 1;\n      }\n    } while (++advance + pos < params.length && advance + cSpace < accu.length);\n\n    // set default values to 0\n    for (let i = 2; i < accu.length; ++i) {\n      if (accu[i] === -1) {\n        accu[i] = 0;\n      }\n    }\n\n    // apply colors\n    switch (accu[0]) {\n      case 38:\n        attr.fg = this._updateAttrColor(attr.fg, accu[1], accu[3], accu[4], accu[5]);\n        break;\n      case 48:\n        attr.bg = this._updateAttrColor(attr.bg, accu[1], accu[3], accu[4], accu[5]);\n        break;\n      case 58:\n        attr.extended = attr.extended.clone();\n        attr.extended.underlineColor = this._updateAttrColor(attr.extended.underlineColor, accu[1], accu[3], accu[4], accu[5]);\n    }\n\n    return advance;\n  }\n\n  /**\n   * SGR 4 subparams:\n   *    4:0   -   equal to SGR 24 (turn off all underline)\n   *    4:1   -   equal to SGR 4 (single underline)\n   *    4:2   -   equal to SGR 21 (double underline)\n   *    4:3   -   curly underline\n   *    4:4   -   dotted underline\n   *    4:5   -   dashed underline\n   */\n  private _processUnderline(style: number, attr: IAttributeData): void {\n    // treat extended attrs as immutable, thus always clone from old one\n    // this is needed since the buffer only holds references to it\n    attr.extended = attr.extended.clone();\n\n    // default to 1 == single underline\n    if (!~style || style > 5) {\n      style = 1;\n    }\n    attr.extended.underlineStyle = style;\n    attr.fg |= FgFlags.UNDERLINE;\n\n    // 0 deactivates underline\n    if (style === 0) {\n      attr.fg &= ~FgFlags.UNDERLINE;\n    }\n\n    // update HAS_EXTENDED in BG\n    attr.updateExtended();\n  }\n\n  private _processSGR0(attr: IAttributeData): void {\n    attr.fg = DEFAULT_ATTR_DATA.fg;\n    attr.bg = DEFAULT_ATTR_DATA.bg;\n    attr.extended = attr.extended.clone();\n    // Reset underline style and color. Note that we don't want to reset other\n    // fields such as the url id.\n    attr.extended.underlineStyle = UnderlineStyle.NONE;\n    attr.extended.underlineColor &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n    attr.updateExtended();\n  }\n\n  /**\n   * CSI Pm m  Character Attributes (SGR).\n   *\n   * @vt: #P[See below for supported attributes.]    CSI SGR   \"Select Graphic Rendition\"  \"CSI Pm m\"  \"Set/Reset various text attributes.\"\n   * SGR selects one or more character attributes at the same time. Multiple params (up to 32)\n   * are applied in order from left to right. The changed attributes are applied to all new\n   * characters received. If you move characters in the viewport by scrolling or any other means,\n   * then the attributes move with the characters.\n   *\n   * Supported param values by SGR:\n   *\n   * | Param     | Meaning                                                  | Support |\n   * | --------- | -------------------------------------------------------- | ------- |\n   * | 0         | Normal (default). Resets any other preceding SGR.        | #Y      |\n   * | 1         | Bold. (also see `options.drawBoldTextInBrightColors`)    | #Y      |\n   * | 2         | Faint, decreased intensity.                              | #Y      |\n   * | 3         | Italic.                                                  | #Y      |\n   * | 4         | Underlined (see below for style support).                | #Y      |\n   * | 5         | Slowly blinking.                                         | #N      |\n   * | 6         | Rapidly blinking.                                        | #N      |\n   * | 7         | Inverse. Flips foreground and background color.          | #Y      |\n   * | 8         | Invisible (hidden).                                      | #Y      |\n   * | 9         | Crossed-out characters (strikethrough).                  | #Y      |\n   * | 21        | Doubly underlined.                                       | #Y      |\n   * | 22        | Normal (neither bold nor faint).                         | #Y      |\n   * | 23        | No italic.                                               | #Y      |\n   * | 24        | Not underlined.                                          | #Y      |\n   * | 25        | Steady (not blinking).                                   | #Y      |\n   * | 27        | Positive (not inverse).                                  | #Y      |\n   * | 28        | Visible (not hidden).                                    | #Y      |\n   * | 29        | Not Crossed-out (strikethrough).                         | #Y      |\n   * | 30        | Foreground color: Black.                                 | #Y      |\n   * | 31        | Foreground color: Red.                                   | #Y      |\n   * | 32        | Foreground color: Green.                                 | #Y      |\n   * | 33        | Foreground color: Yellow.                                | #Y      |\n   * | 34        | Foreground color: Blue.                                  | #Y      |\n   * | 35        | Foreground color: Magenta.                               | #Y      |\n   * | 36        | Foreground color: Cyan.                                  | #Y      |\n   * | 37        | Foreground color: White.                                 | #Y      |\n   * | 38        | Foreground color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |\n   * | 39        | Foreground color: Default (original).                    | #Y      |\n   * | 40        | Background color: Black.                                 | #Y      |\n   * | 41        | Background color: Red.                                   | #Y      |\n   * | 42        | Background color: Green.                                 | #Y      |\n   * | 43        | Background color: Yellow.                                | #Y      |\n   * | 44        | Background color: Blue.                                  | #Y      |\n   * | 45        | Background color: Magenta.                               | #Y      |\n   * | 46        | Background color: Cyan.                                  | #Y      |\n   * | 47        | Background color: White.                                 | #Y      |\n   * | 48        | Background color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |\n   * | 49        | Background color: Default (original).                    | #Y      |\n   * | 53        | Overlined.                                               | #Y      |\n   * | 55        | Not Overlined.                                           | #Y      |\n   * | 58        | Underline color: Extended color.                         | #P[Support for RGB and indexed colors, see below.] |\n   * | 90 - 97   | Bright foreground color (analogous to 30 - 37).          | #Y      |\n   * | 100 - 107 | Bright background color (analogous to 40 - 47).          | #Y      |\n   *\n   * Underline supports subparams to denote the style in the form `4 : x`:\n   *\n   * | x      | Meaning                                                       | Support |\n   * | ------ | ------------------------------------------------------------- | ------- |\n   * | 0      | No underline. Same as `SGR 24 m`.                             | #Y      |\n   * | 1      | Single underline. Same as `SGR 4 m`.                          | #Y      |\n   * | 2      | Double underline.                                             | #Y      |\n   * | 3      | Curly underline.                                              | #Y      |\n   * | 4      | Dotted underline.                                             | #Y      |\n   * | 5      | Dashed underline.                                             | #Y      |\n   * | other  | Single underline. Same as `SGR 4 m`.                          | #Y      |\n   *\n   * Extended colors are supported for foreground (Ps=38), background (Ps=48) and underline (Ps=58)\n   * as follows:\n   *\n   * | Ps + 1 | Meaning                                                       | Support |\n   * | ------ | ------------------------------------------------------------- | ------- |\n   * | 0      | Implementation defined.                                       | #N      |\n   * | 1      | Transparent.                                                  | #N      |\n   * | 2      | RGB color as `Ps ; 2 ; R ; G ; B` or `Ps : 2 : : R : G : B`.  | #Y      |\n   * | 3      | CMY color.                                                    | #N      |\n   * | 4      | CMYK color.                                                   | #N      |\n   * | 5      | Indexed (256 colors) as `Ps ; 5 ; INDEX` or `Ps : 5 : INDEX`. | #Y      |\n   *\n   *\n   * FIXME: blinking is implemented in attrs, but not working in renderers?\n   * FIXME: remove dead branch for p=100\n   */\n  public charAttributes(params: IParams): boolean {\n    // Optimize a single SGR0.\n    if (params.length === 1 && params.params[0] === 0) {\n      this._processSGR0(this._curAttrData);\n      return true;\n    }\n\n    const l = params.length;\n    let p;\n    const attr = this._curAttrData;\n\n    for (let i = 0; i < l; i++) {\n      p = params.params[i];\n      if (p >= 30 && p <= 37) {\n        // fg color 8\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.fg |= Attributes.CM_P16 | (p - 30);\n      } else if (p >= 40 && p <= 47) {\n        // bg color 8\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.bg |= Attributes.CM_P16 | (p - 40);\n      } else if (p >= 90 && p <= 97) {\n        // fg color 16\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.fg |= Attributes.CM_P16 | (p - 90) | 8;\n      } else if (p >= 100 && p <= 107) {\n        // bg color 16\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n        attr.bg |= Attributes.CM_P16 | (p - 100) | 8;\n      } else if (p === 0) {\n        // default\n        this._processSGR0(attr);\n      } else if (p === 1) {\n        // bold text\n        attr.fg |= FgFlags.BOLD;\n      } else if (p === 3) {\n        // italic text\n        attr.bg |= BgFlags.ITALIC;\n      } else if (p === 4) {\n        // underlined text\n        attr.fg |= FgFlags.UNDERLINE;\n        this._processUnderline(params.hasSubParams(i) ? params.getSubParams(i)![0] : UnderlineStyle.SINGLE, attr);\n      } else if (p === 5) {\n        // blink\n        attr.fg |= FgFlags.BLINK;\n      } else if (p === 7) {\n        // inverse and positive\n        // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n        attr.fg |= FgFlags.INVERSE;\n      } else if (p === 8) {\n        // invisible\n        attr.fg |= FgFlags.INVISIBLE;\n      } else if (p === 9) {\n        // strikethrough\n        attr.fg |= FgFlags.STRIKETHROUGH;\n      } else if (p === 2) {\n        // dimmed text\n        attr.bg |= BgFlags.DIM;\n      } else if (p === 21) {\n        // double underline\n        this._processUnderline(UnderlineStyle.DOUBLE, attr);\n      } else if (p === 22) {\n        // not bold nor faint\n        attr.fg &= ~FgFlags.BOLD;\n        attr.bg &= ~BgFlags.DIM;\n      } else if (p === 23) {\n        // not italic\n        attr.bg &= ~BgFlags.ITALIC;\n      } else if (p === 24) {\n        // not underlined\n        attr.fg &= ~FgFlags.UNDERLINE;\n        this._processUnderline(UnderlineStyle.NONE, attr);\n      } else if (p === 25) {\n        // not blink\n        attr.fg &= ~FgFlags.BLINK;\n      } else if (p === 27) {\n        // not inverse\n        attr.fg &= ~FgFlags.INVERSE;\n      } else if (p === 28) {\n        // not invisible\n        attr.fg &= ~FgFlags.INVISIBLE;\n      } else if (p === 29) {\n        // not strikethrough\n        attr.fg &= ~FgFlags.STRIKETHROUGH;\n      } else if (p === 39) {\n        // reset fg\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n      } else if (p === 49) {\n        // reset bg\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n      } else if (p === 38 || p === 48 || p === 58) {\n        // fg color 256 and RGB\n        i += this._extractColor(params, i, attr);\n      } else if (p === 53) {\n        // overline\n        attr.bg |= BgFlags.OVERLINE;\n      } else if (p === 55) {\n        // not overline\n        attr.bg &= ~BgFlags.OVERLINE;\n      } else if (p === 59) {\n        attr.extended = attr.extended.clone();\n        attr.extended.underlineColor = -1;\n        attr.updateExtended();\n      } else if (p === 100) { // FIXME: dead branch, p=100 already handled above!\n        // reset fg/bg\n        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n      } else {\n        this._logService.debug('Unknown SGR attribute: %d.', p);\n      }\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps n  Device Status Report (DSR).\n   *     Ps = 5  -> Status Report.  Result (``OK'') is\n   *   CSI 0 n\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].\n   *   Result is\n   *   CSI r ; c R\n   * CSI ? Ps n\n   *   Device Status Report (DSR, DEC-specific).\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI\n   *     ? r ; c R (assumes page is zero).\n   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).\n   *     or CSI ? 1 1  n  (not ready).\n   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)\n   *     or CSI ? 2 1  n  (locked).\n   *     Ps = 2 6  -> Report Keyboard status as\n   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).\n   *   The last two parameters apply to VT400 & up, and denote key-\n   *   board ready and LK01 respectively.\n   *     Ps = 5 3  -> Report Locator status as\n   *   CSI ? 5 3  n  Locator available, if compiled-in, or\n   *   CSI ? 5 0  n  No Locator, if not.\n   *\n   * @vt: #Y CSI DSR   \"Device Status Report\"  \"CSI Ps n\"  \"Request cursor position (CPR) with `Ps` = 6.\"\n   */\n  public deviceStatus(params: IParams): boolean {\n    switch (params.params[0]) {\n      case 5:\n        // status report\n        this._coreService.triggerDataEvent(`${C0.ESC}[0n`);\n        break;\n      case 6:\n        // cursor position\n        const y = this._activeBuffer.y + 1;\n        const x = this._activeBuffer.x + 1;\n        this._coreService.triggerDataEvent(`${C0.ESC}[${y};${x}R`);\n        break;\n    }\n    return true;\n  }\n\n  // @vt: #P[Only CPR is supported.]  CSI DECDSR  \"DEC Device Status Report\"  \"CSI ? Ps n\"  \"Only CPR is supported (same as DSR).\"\n  public deviceStatusPrivate(params: IParams): boolean {\n    // modern xterm doesnt seem to\n    // respond to any of these except ?6, 6, and 5\n    switch (params.params[0]) {\n      case 6:\n        // cursor position\n        const y = this._activeBuffer.y + 1;\n        const x = this._activeBuffer.x + 1;\n        this._coreService.triggerDataEvent(`${C0.ESC}[?${y};${x}R`);\n        break;\n      case 15:\n        // no printer\n        // this.handler(C0.ESC + '[?11n');\n        break;\n      case 25:\n        // dont support user defined keys\n        // this.handler(C0.ESC + '[?21n');\n        break;\n      case 26:\n        // north american keyboard\n        // this.handler(C0.ESC + '[?27;1;0;0n');\n        break;\n      case 53:\n        // no dec locator/mouse\n        // this.handler(C0.ESC + '[?50n');\n        break;\n    }\n    return true;\n  }\n\n  /**\n   * CSI ! p   Soft terminal reset (DECSTR).\n   * http://vt100.net/docs/vt220-rm/table4-10.html\n   *\n   * @vt: #Y CSI DECSTR  \"Soft Terminal Reset\"   \"CSI ! p\"   \"Reset several terminal attributes to initial state.\"\n   * There are two terminal reset sequences - RIS and DECSTR. While RIS performs almost a full\n   * terminal bootstrap, DECSTR only resets certain attributes. For most needs DECSTR should be\n   * sufficient.\n   *\n   * The following terminal attributes are reset to default values:\n   * - IRM is reset (dafault = false)\n   * - scroll margins are reset (default = viewport size)\n   * - erase attributes are reset to default\n   * - charsets are reset\n   * - DECSC data is reset to initial values\n   * - DECOM is reset to absolute mode\n   *\n   *\n   * FIXME: there are several more attributes missing (see VT520 manual)\n   */\n  public softReset(params: IParams): boolean {\n    this._coreService.isCursorHidden = false;\n    this._onRequestSyncScrollBar.fire();\n    this._activeBuffer.scrollTop = 0;\n    this._activeBuffer.scrollBottom = this._bufferService.rows - 1;\n    this._curAttrData = DEFAULT_ATTR_DATA.clone();\n    this._coreService.reset();\n    this._charsetService.reset();\n\n    // reset DECSC data\n    this._activeBuffer.savedX = 0;\n    this._activeBuffer.savedY = this._activeBuffer.ybase;\n    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;\n    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;\n    this._activeBuffer.savedCharset = this._charsetService.charset;\n\n    // reset DECOM\n    this._coreService.decPrivateModes.origin = false;\n    return true;\n  }\n\n  /**\n   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).\n   *   Ps = 0  -> blinking block.\n   *   Ps = 1  -> blinking block (default).\n   *   Ps = 2  -> steady block.\n   *   Ps = 3  -> blinking underline.\n   *   Ps = 4  -> steady underline.\n   *   Ps = 5  -> blinking bar (xterm).\n   *   Ps = 6  -> steady bar (xterm).\n   *\n   * @vt: #Y CSI DECSCUSR  \"Set Cursor Style\"  \"CSI Ps SP q\"   \"Set cursor style.\"\n   * Supported cursor styles:\n   *  - empty, 0 or 1: steady block\n   *  - 2: blink block\n   *  - 3: steady underline\n   *  - 4: blink underline\n   *  - 5: steady bar\n   *  - 6: blink bar\n   */\n  public setCursorStyle(params: IParams): boolean {\n    const param = params.params[0] || 1;\n    switch (param) {\n      case 1:\n      case 2:\n        this._optionsService.options.cursorStyle = 'block';\n        break;\n      case 3:\n      case 4:\n        this._optionsService.options.cursorStyle = 'underline';\n        break;\n      case 5:\n      case 6:\n        this._optionsService.options.cursorStyle = 'bar';\n        break;\n    }\n    const isBlinking = param % 2 === 1;\n    this._optionsService.options.cursorBlink = isBlinking;\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps r\n   *   Set Scrolling Region [top;bottom] (default = full size of win-\n   *   dow) (DECSTBM).\n   *\n   * @vt: #Y CSI DECSTBM \"Set Top and Bottom Margin\" \"CSI Ps ; Ps r\" \"Set top and bottom margins of the viewport [top;bottom] (default = viewport size).\"\n   */\n  public setScrollRegion(params: IParams): boolean {\n    const top = params.params[0] || 1;\n    let bottom: number;\n\n    if (params.length < 2 || (bottom = params.params[1]) > this._bufferService.rows || bottom === 0) {\n      bottom = this._bufferService.rows;\n    }\n\n    if (bottom > top) {\n      this._activeBuffer.scrollTop = top - 1;\n      this._activeBuffer.scrollBottom = bottom - 1;\n      this._setCursor(0, 0);\n    }\n    return true;\n  }\n\n  /**\n   * CSI Ps ; Ps ; Ps t - Various window manipulations and reports (xterm)\n   *\n   * Note: Only those listed below are supported. All others are left to integrators and\n   * need special treatment based on the embedding environment.\n   *\n   *    Ps = 1 4                                                          supported\n   *      Report xterm text area size in pixels.\n   *      Result is CSI 4 ; height ; width t\n   *    Ps = 14 ; 2                                                       not implemented\n   *    Ps = 16                                                           supported\n   *      Report xterm character cell size in pixels.\n   *      Result is CSI 6 ; height ; width t\n   *    Ps = 18                                                           supported\n   *      Report the size of the text area in characters.\n   *      Result is CSI 8 ; height ; width t\n   *    Ps = 20                                                           supported\n   *      Report xterm window's icon label.\n   *      Result is OSC L label ST\n   *    Ps = 21                                                           supported\n   *      Report xterm window's title.\n   *      Result is OSC l label ST\n   *    Ps = 22 ; 0  -> Save xterm icon and window title on stack.        supported\n   *    Ps = 22 ; 1  -> Save xterm icon title on stack.                   supported\n   *    Ps = 22 ; 2  -> Save xterm window title on stack.                 supported\n   *    Ps = 23 ; 0  -> Restore xterm icon and window title from stack.   supported\n   *    Ps = 23 ; 1  -> Restore xterm icon title from stack.              supported\n   *    Ps = 23 ; 2  -> Restore xterm window title from stack.            supported\n   *    Ps >= 24                                                          not implemented\n   */\n  public windowOptions(params: IParams): boolean {\n    if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {\n      return true;\n    }\n    const second = (params.length > 1) ? params.params[1] : 0;\n    switch (params.params[0]) {\n      case 14:  // GetWinSizePixels, returns CSI 4 ; height ; width t\n        if (second !== 2) {\n          this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_WIN_SIZE_PIXELS);\n        }\n        break;\n      case 16:  // GetCellSizePixels, returns CSI 6 ; height ; width t\n        this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_CELL_SIZE_PIXELS);\n        break;\n      case 18:  // GetWinSizeChars, returns CSI 8 ; height ; width t\n        if (this._bufferService) {\n          this._coreService.triggerDataEvent(`${C0.ESC}[8;${this._bufferService.rows};${this._bufferService.cols}t`);\n        }\n        break;\n      case 22:  // PushTitle\n        if (second === 0 || second === 2) {\n          this._windowTitleStack.push(this._windowTitle);\n          if (this._windowTitleStack.length > STACK_LIMIT) {\n            this._windowTitleStack.shift();\n          }\n        }\n        if (second === 0 || second === 1) {\n          this._iconNameStack.push(this._iconName);\n          if (this._iconNameStack.length > STACK_LIMIT) {\n            this._iconNameStack.shift();\n          }\n        }\n        break;\n      case 23:  // PopTitle\n        if (second === 0 || second === 2) {\n          if (this._windowTitleStack.length) {\n            this.setTitle(this._windowTitleStack.pop()!);\n          }\n        }\n        if (second === 0 || second === 1) {\n          if (this._iconNameStack.length) {\n            this.setIconName(this._iconNameStack.pop()!);\n          }\n        }\n        break;\n    }\n    return true;\n  }\n\n\n  /**\n   * CSI s\n   * ESC 7\n   *   Save cursor (ANSI.SYS).\n   *\n   * @vt: #P[TODO...]  CSI SCOSC   \"Save Cursor\"   \"CSI s\"   \"Save cursor position, charmap and text attributes.\"\n   * @vt: #Y ESC  SC   \"Save Cursor\"   \"ESC 7\"   \"Save cursor position, charmap and text attributes.\"\n   */\n  public saveCursor(params?: IParams): boolean {\n    this._activeBuffer.savedX = this._activeBuffer.x;\n    this._activeBuffer.savedY = this._activeBuffer.ybase + this._activeBuffer.y;\n    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;\n    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;\n    this._activeBuffer.savedCharset = this._charsetService.charset;\n    return true;\n  }\n\n\n  /**\n   * CSI u\n   * ESC 8\n   *   Restore cursor (ANSI.SYS).\n   *\n   * @vt: #P[TODO...]  CSI SCORC \"Restore Cursor\"  \"CSI u\"   \"Restore cursor position, charmap and text attributes.\"\n   * @vt: #Y ESC  RC \"Restore Cursor\"  \"ESC 8\"   \"Restore cursor position, charmap and text attributes.\"\n   */\n  public restoreCursor(params?: IParams): boolean {\n    this._activeBuffer.x = this._activeBuffer.savedX || 0;\n    this._activeBuffer.y = Math.max(this._activeBuffer.savedY - this._activeBuffer.ybase, 0);\n    this._curAttrData.fg = this._activeBuffer.savedCurAttrData.fg;\n    this._curAttrData.bg = this._activeBuffer.savedCurAttrData.bg;\n    this._charsetService.charset = (this as any)._savedCharset;\n    if (this._activeBuffer.savedCharset) {\n      this._charsetService.charset = this._activeBuffer.savedCharset;\n    }\n    this._restrictCursor();\n    return true;\n  }\n\n\n  /**\n   * OSC 2; <data> ST (set window title)\n   *   Proxy to set window title.\n   *\n   * @vt: #P[Icon name is not exposed.]   OSC    0   \"Set Windows Title and Icon Name\"  \"OSC 0 ; Pt BEL\"  \"Set window title and icon name.\"\n   * Icon name is not supported. For Window Title see below.\n   *\n   * @vt: #Y     OSC    2   \"Set Windows Title\"  \"OSC 2 ; Pt BEL\"  \"Set window title.\"\n   * xterm.js does not manipulate the title directly, instead exposes changes via the event\n   * `Terminal.onTitleChange`.\n   */\n  public setTitle(data: string): boolean {\n    this._windowTitle = data;\n    this._onTitleChange.fire(data);\n    return true;\n  }\n\n  /**\n   * OSC 1; <data> ST\n   * Note: Icon name is not exposed.\n   */\n  public setIconName(data: string): boolean {\n    this._iconName = data;\n    return true;\n  }\n\n  /**\n   * OSC 4; <num> ; <text> ST (set ANSI color <num> to <text>)\n   *\n   * @vt: #Y    OSC    4    \"Set ANSI color\"   \"OSC 4 ; c ; spec BEL\" \"Change color number `c` to the color specified by `spec`.\"\n   * `c` is the color index between 0 and 255. The color format of `spec` is derived from\n   * `XParseColor` (see OSC 10 for supported formats). There may be multipe `c ; spec` pairs present\n   * in the same instruction. If `spec` contains `?` the terminal returns a sequence with the\n   * currently set color.\n   */\n  public setOrReportIndexedColor(data: string): boolean {\n    const event: IColorEvent = [];\n    const slots = data.split(';');\n    while (slots.length > 1) {\n      const idx = slots.shift() as string;\n      const spec = slots.shift() as string;\n      if (/^\\d+$/.exec(idx)) {\n        const index = parseInt(idx);\n        if (isValidColorIndex(index)) {\n          if (spec === '?') {\n            event.push({ type: ColorRequestType.REPORT, index });\n          } else {\n            const color = parseColor(spec);\n            if (color) {\n              event.push({ type: ColorRequestType.SET, index, color });\n            }\n          }\n        }\n      }\n    }\n    if (event.length) {\n      this._onColor.fire(event);\n    }\n    return true;\n  }\n\n  /**\n   * OSC 8 ; <params> ; <uri> ST - create hyperlink\n   * OSC 8 ; ; ST - finish hyperlink\n   *\n   * Test case:\n   *\n   * ```sh\n   * printf '\\e]8;;http://example.com\\e\\\\This is a link\\e]8;;\\e\\\\\\n'\n   * ```\n   *\n   * @vt: #Y    OSC    8    \"Create hyperlink\"   \"OSC 8 ; params ; uri BEL\" \"Create a hyperlink to `uri` using `params`.\"\n   * `uri` is a hyperlink starting with `http://`, `https://`, `ftp://`, `file://` or `mailto://`. `params` is an\n   * optional list of key=value assignments, separated by the : character.\n   * Example: `id=xyz123:foo=bar:baz=quux`.\n   * Currently only the id key is defined. Cells that share the same ID and URI share hover\n   * feedback. Use `OSC 8 ; ; BEL` to finish the current hyperlink.\n   */\n  public setHyperlink(data: string): boolean {\n    const args = data.split(';');\n    if (args.length < 2) {\n      return false;\n    }\n    if (args[1]) {\n      return this._createHyperlink(args[0], args[1]);\n    }\n    if (args[0]) {\n      return false;\n    }\n    return this._finishHyperlink();\n  }\n\n  private _createHyperlink(params: string, uri: string): boolean {\n    // It's legal to open a new hyperlink without explicitly finishing the previous one\n    if (this._getCurrentLinkId()) {\n      this._finishHyperlink();\n    }\n    const parsedParams = params.split(':');\n    let id: string | undefined;\n    const idParamIndex = parsedParams.findIndex(e => e.startsWith('id='));\n    if (idParamIndex !== -1) {\n      id = parsedParams[idParamIndex].slice(3) || undefined;\n    }\n    this._curAttrData.extended = this._curAttrData.extended.clone();\n    this._curAttrData.extended.urlId = this._oscLinkService.registerLink({ id, uri });\n    this._curAttrData.updateExtended();\n    return true;\n  }\n\n  private _finishHyperlink(): boolean {\n    this._curAttrData.extended = this._curAttrData.extended.clone();\n    this._curAttrData.extended.urlId = 0;\n    this._curAttrData.updateExtended();\n    return true;\n  }\n\n  // special colors - OSC 10 | 11 | 12\n  private _specialColors = [SpecialColorIndex.FOREGROUND, SpecialColorIndex.BACKGROUND, SpecialColorIndex.CURSOR];\n\n  /**\n   * Apply colors requests for special colors in OSC 10 | 11 | 12.\n   * Since these commands are stacking from multiple parameters,\n   * we handle them in a loop with an entry offset to `_specialColors`.\n   */\n  private _setOrReportSpecialColor(data: string, offset: number): boolean {\n    const slots = data.split(';');\n    for (let i = 0; i < slots.length; ++i, ++offset) {\n      if (offset >= this._specialColors.length) break;\n      if (slots[i] === '?') {\n        this._onColor.fire([{ type: ColorRequestType.REPORT, index: this._specialColors[offset] }]);\n      } else {\n        const color = parseColor(slots[i]);\n        if (color) {\n          this._onColor.fire([{ type: ColorRequestType.SET, index: this._specialColors[offset], color }]);\n        }\n      }\n    }\n    return true;\n  }\n\n  /**\n   * OSC 10 ; <xcolor name>|<?> ST - set or query default foreground color\n   *\n   * @vt: #Y  OSC   10    \"Set or query default foreground color\"   \"OSC 10 ; Pt BEL\"  \"Set or query default foreground color.\"\n   * To set the color, the following color specification formats are supported:\n   * - `rgb:<red>/<green>/<blue>` for  `<red>, <green>, <blue>` in `h | hh | hhh | hhhh`, where\n   *   `h` is a single hexadecimal digit (case insignificant). The different widths scale\n   *   from 4 bit (`h`) to 16 bit (`hhhh`) and get converted to 8 bit (`hh`).\n   * - `#RGB` - 4 bits per channel, expanded to `#R0G0B0`\n   * - `#RRGGBB` - 8 bits per channel\n   * - `#RRRGGGBBB` - 12 bits per channel, truncated to `#RRGGBB`\n   * - `#RRRRGGGGBBBB` - 16 bits per channel, truncated to `#RRGGBB`\n   *\n   * **Note:** X11 named colors are currently unsupported.\n   *\n   * If `Pt` contains `?` instead of a color specification, the terminal\n   * returns a sequence with the current default foreground color\n   * (use that sequence to restore the color after changes).\n   *\n   * **Note:** Other than xterm, xterm.js does not support OSC 12 - 19.\n   * Therefore stacking multiple `Pt` separated by `;` only works for the first two entries.\n   */\n  public setOrReportFgColor(data: string): boolean {\n    return this._setOrReportSpecialColor(data, 0);\n  }\n\n  /**\n   * OSC 11 ; <xcolor name>|<?> ST - set or query default background color\n   *\n   * @vt: #Y  OSC   11    \"Set or query default background color\"   \"OSC 11 ; Pt BEL\"  \"Same as OSC 10, but for default background.\"\n   */\n  public setOrReportBgColor(data: string): boolean {\n    return this._setOrReportSpecialColor(data, 1);\n  }\n\n  /**\n   * OSC 12 ; <xcolor name>|<?> ST - set or query default cursor color\n   *\n   * @vt: #Y  OSC   12    \"Set or query default cursor color\"   \"OSC 12 ; Pt BEL\"  \"Same as OSC 10, but for default cursor color.\"\n   */\n  public setOrReportCursorColor(data: string): boolean {\n    return this._setOrReportSpecialColor(data, 2);\n  }\n\n  /**\n   * OSC 104 ; <num> ST - restore ANSI color <num>\n   *\n   * @vt: #Y  OSC   104    \"Reset ANSI color\"   \"OSC 104 ; c BEL\" \"Reset color number `c` to themed color.\"\n   * `c` is the color index between 0 and 255. This function restores the default color for `c` as\n   * specified by the loaded theme. Any number of `c` parameters may be given.\n   * If no parameters are given, the entire indexed color table will be reset.\n   */\n  public restoreIndexedColor(data: string): boolean {\n    if (!data) {\n      this._onColor.fire([{ type: ColorRequestType.RESTORE }]);\n      return true;\n    }\n    const event: IColorEvent = [];\n    const slots = data.split(';');\n    for (let i = 0; i < slots.length; ++i) {\n      if (/^\\d+$/.exec(slots[i])) {\n        const index = parseInt(slots[i]);\n        if (isValidColorIndex(index)) {\n          event.push({ type: ColorRequestType.RESTORE, index });\n        }\n      }\n    }\n    if (event.length) {\n      this._onColor.fire(event);\n    }\n    return true;\n  }\n\n  /**\n   * OSC 110 ST - restore default foreground color\n   *\n   * @vt: #Y  OSC   110    \"Restore default foreground color\"   \"OSC 110 BEL\"  \"Restore default foreground to themed color.\"\n   */\n  public restoreFgColor(data: string): boolean {\n    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.FOREGROUND }]);\n    return true;\n  }\n\n  /**\n   * OSC 111 ST - restore default background color\n   *\n   * @vt: #Y  OSC   111    \"Restore default background color\"   \"OSC 111 BEL\"  \"Restore default background to themed color.\"\n   */\n  public restoreBgColor(data: string): boolean {\n    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.BACKGROUND }]);\n    return true;\n  }\n\n  /**\n   * OSC 112 ST - restore default cursor color\n   *\n   * @vt: #Y  OSC   112    \"Restore default cursor color\"   \"OSC 112 BEL\"  \"Restore default cursor to themed color.\"\n   */\n  public restoreCursorColor(data: string): boolean {\n    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.CURSOR }]);\n    return true;\n  }\n\n  /**\n   * ESC E\n   * C1.NEL\n   *   DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)\n   *   Moves cursor to first position on next line.\n   *\n   * @vt: #Y   C1    NEL   \"Next Line\"   \"\\x85\"    \"Move the cursor to the beginning of the next row.\"\n   * @vt: #Y   ESC   NEL   \"Next Line\"   \"ESC E\"   \"Move the cursor to the beginning of the next row.\"\n   */\n  public nextLine(): boolean {\n    this._activeBuffer.x = 0;\n    this.index();\n    return true;\n  }\n\n  /**\n   * ESC =\n   *   DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)\n   *   Enables the numeric keypad to send application sequences to the host.\n   */\n  public keypadApplicationMode(): boolean {\n    this._logService.debug('Serial port requested application keypad.');\n    this._coreService.decPrivateModes.applicationKeypad = true;\n    this._onRequestSyncScrollBar.fire();\n    return true;\n  }\n\n  /**\n   * ESC >\n   *   DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)\n   *   Enables the keypad to send numeric characters to the host.\n   */\n  public keypadNumericMode(): boolean {\n    this._logService.debug('Switching back to normal keypad.');\n    this._coreService.decPrivateModes.applicationKeypad = false;\n    this._onRequestSyncScrollBar.fire();\n    return true;\n  }\n\n  /**\n   * ESC % @\n   * ESC % G\n   *   Select default character set. UTF-8 is not supported (string are unicode anyways)\n   *   therefore ESC % G does the same.\n   */\n  public selectDefaultCharset(): boolean {\n    this._charsetService.setgLevel(0);\n    this._charsetService.setgCharset(0, DEFAULT_CHARSET); // US (default)\n    return true;\n  }\n\n  /**\n   * ESC ( C\n   *   Designate G0 Character Set, VT100, ISO 2022.\n   * ESC ) C\n   *   Designate G1 Character Set (ISO 2022, VT100).\n   * ESC * C\n   *   Designate G2 Character Set (ISO 2022, VT220).\n   * ESC + C\n   *   Designate G3 Character Set (ISO 2022, VT220).\n   * ESC - C\n   *   Designate G1 Character Set (VT300).\n   * ESC . C\n   *   Designate G2 Character Set (VT300).\n   * ESC / C\n   *   Designate G3 Character Set (VT300). C = A  -> ISO Latin-1 Supplemental. - Supported?\n   */\n  public selectCharset(collectAndFlag: string): boolean {\n    if (collectAndFlag.length !== 2) {\n      this.selectDefaultCharset();\n      return true;\n    }\n    if (collectAndFlag[0] === '/') {\n      return true;  // TODO: Is this supported?\n    }\n    this._charsetService.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);\n    return true;\n  }\n\n  /**\n   * ESC D\n   * C1.IND\n   *   DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)\n   *   Moves the cursor down one line in the same column.\n   *\n   * @vt: #Y   C1    IND   \"Index\"   \"\\x84\"    \"Move the cursor one line down scrolling if needed.\"\n   * @vt: #Y   ESC   IND   \"Index\"   \"ESC D\"   \"Move the cursor one line down scrolling if needed.\"\n   */\n  public index(): boolean {\n    this._restrictCursor();\n    this._activeBuffer.y++;\n    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {\n      this._activeBuffer.y--;\n      this._bufferService.scroll(this._eraseAttrData());\n    } else if (this._activeBuffer.y >= this._bufferService.rows) {\n      this._activeBuffer.y = this._bufferService.rows - 1;\n    }\n    this._restrictCursor();\n    return true;\n  }\n\n  /**\n   * ESC H\n   * C1.HTS\n   *   DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)\n   *   Sets a horizontal tab stop at the column position indicated by\n   *   the value of the active column when the terminal receives an HTS.\n   *\n   * @vt: #Y   C1    HTS   \"Horizontal Tabulation Set\" \"\\x88\"    \"Places a tab stop at the current cursor position.\"\n   * @vt: #Y   ESC   HTS   \"Horizontal Tabulation Set\" \"ESC H\"   \"Places a tab stop at the current cursor position.\"\n   */\n  public tabSet(): boolean {\n    this._activeBuffer.tabs[this._activeBuffer.x] = true;\n    return true;\n  }\n\n  /**\n   * ESC M\n   * C1.RI\n   *   DEC mnemonic: HTS\n   *   Moves the cursor up one line in the same column. If the cursor is at the top margin,\n   *   the page scrolls down.\n   *\n   * @vt: #Y ESC  IR \"Reverse Index\" \"ESC M\"  \"Move the cursor one line up scrolling if needed.\"\n   */\n  public reverseIndex(): boolean {\n    this._restrictCursor();\n    if (this._activeBuffer.y === this._activeBuffer.scrollTop) {\n      // possibly move the code below to term.reverseScroll();\n      // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n      // blankLine(true) is xterm/linux behavior\n      const scrollRegionHeight = this._activeBuffer.scrollBottom - this._activeBuffer.scrollTop;\n      this._activeBuffer.lines.shiftElements(this._activeBuffer.ybase + this._activeBuffer.y, scrollRegionHeight, 1);\n      this._activeBuffer.lines.set(this._activeBuffer.ybase + this._activeBuffer.y, this._activeBuffer.getBlankLine(this._eraseAttrData()));\n      this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);\n    } else {\n      this._activeBuffer.y--;\n      this._restrictCursor(); // quickfix to not run out of bounds\n    }\n    return true;\n  }\n\n  /**\n   * ESC c\n   *   DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)\n   *   Reset to initial state.\n   */\n  public fullReset(): boolean {\n    this._parser.reset();\n    this._onRequestReset.fire();\n    return true;\n  }\n\n  public reset(): void {\n    this._curAttrData = DEFAULT_ATTR_DATA.clone();\n    this._eraseAttrDataInternal = DEFAULT_ATTR_DATA.clone();\n  }\n\n  /**\n   * back_color_erase feature for xterm.\n   */\n  private _eraseAttrData(): IAttributeData {\n    this._eraseAttrDataInternal.bg &= ~(Attributes.CM_MASK | 0xFFFFFF);\n    this._eraseAttrDataInternal.bg |= this._curAttrData.bg & ~0xFC000000;\n    return this._eraseAttrDataInternal;\n  }\n\n  /**\n   * ESC n\n   * ESC o\n   * ESC |\n   * ESC }\n   * ESC ~\n   *   DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)\n   *   When you use a locking shift, the character set remains in GL or GR until\n   *   you use another locking shift. (partly supported)\n   */\n  public setgLevel(level: number): boolean {\n    this._charsetService.setgLevel(level);\n    return true;\n  }\n\n  /**\n   * ESC # 8\n   *   DEC mnemonic: DECALN (https://vt100.net/docs/vt510-rm/DECALN.html)\n   *   This control function fills the complete screen area with\n   *   a test pattern (E) used for adjusting screen alignment.\n   *\n   * @vt: #Y   ESC   DECALN   \"Screen Alignment Pattern\"  \"ESC # 8\"  \"Fill viewport with a test pattern (E).\"\n   */\n  public screenAlignmentPattern(): boolean {\n    // prepare cell data\n    const cell = new CellData();\n    cell.content = 1 << Content.WIDTH_SHIFT | 'E'.charCodeAt(0);\n    cell.fg = this._curAttrData.fg;\n    cell.bg = this._curAttrData.bg;\n\n\n    this._setCursor(0, 0);\n    for (let yOffset = 0; yOffset < this._bufferService.rows; ++yOffset) {\n      const row = this._activeBuffer.ybase + this._activeBuffer.y + yOffset;\n      const line = this._activeBuffer.lines.get(row);\n      if (line) {\n        line.fill(cell);\n        line.isWrapped = false;\n      }\n    }\n    this._dirtyRowTracker.markAllDirty();\n    this._setCursor(0, 0);\n    return true;\n  }\n\n\n  /**\n   * DCS $ q Pt ST\n   *   DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)\n   *   Request Status String (DECRQSS), VT420 and up.\n   *   Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)\n   *\n   * @vt: #P[Limited support, see below.]  DCS   DECRQSS   \"Request Selection or Setting\"  \"DCS $ q Pt ST\"   \"Request several terminal settings.\"\n   * Response is in the form `ESC P 1 $ r Pt ST` for valid requests, where `Pt` contains the\n   * corresponding CSI string, `ESC P 0 ST` for invalid requests.\n   *\n   * Supported requests and responses:\n   *\n   * | Type                             | Request           | Response (`Pt`)                                       |\n   * | -------------------------------- | ----------------- | ----------------------------------------------------- |\n   * | Graphic Rendition (SGR)          | `DCS $ q m ST`    | always reporting `0m` (currently broken)              |\n   * | Top and Bottom Margins (DECSTBM) | `DCS $ q r ST`    | `Ps ; Ps r`                                           |\n   * | Cursor Style (DECSCUSR)          | `DCS $ q SP q ST` | `Ps SP q`                                             |\n   * | Protection Attribute (DECSCA)    | `DCS $ q \" q ST`  | `Ps \" q` (DECSCA 2 is reported as Ps = 0)             |\n   * | Conformance Level (DECSCL)       | `DCS $ q \" p ST`  | always reporting `61 ; 1 \" p` (DECSCL is unsupported) |\n   *\n   *\n   * TODO:\n   * - fix SGR report\n   * - either check which conformance is better suited or remove the report completely\n   *   --> we are currently a mixture of all up to VT400 but dont follow anyone strictly\n   */\n  public requestStatusString(data: string, params: IParams): boolean {\n    const f = (s: string): boolean => {\n      this._coreService.triggerDataEvent(`${C0.ESC}${s}${C0.ESC}\\\\`);\n      return true;\n    };\n\n    // access helpers\n    const b = this._bufferService.buffer;\n    const opts = this._optionsService.rawOptions;\n    const STYLES: { [key: string]: number } = { 'block': 2, 'underline': 4, 'bar': 6 };\n\n    if (data === '\"q') return f(`P1$r${this._curAttrData.isProtected() ? 1 : 0}\"q`);\n    if (data === '\"p') return f(`P1$r61;1\"p`);\n    if (data === 'r') return f(`P1$r${b.scrollTop + 1};${b.scrollBottom + 1}r`);\n    // FIXME: report real SGR settings instead of 0m\n    if (data === 'm') return f(`P1$r0m`);\n    if (data === ' q') return f(`P1$r${STYLES[opts.cursorStyle] - (opts.cursorBlink ? 1 : 0)} q`);\n    return f(`P0$r`);\n  }\n\n  public markRangeDirty(y1: number, y2: number): void {\n    this._dirtyRowTracker.markRangeDirty(y1, y2);\n  }\n}\n\nexport interface IDirtyRowTracker {\n  readonly start: number;\n  readonly end: number;\n\n  clearRange(): void;\n  markDirty(y: number): void;\n  markRangeDirty(y1: number, y2: number): void;\n  markAllDirty(): void;\n}\n\nclass DirtyRowTracker implements IDirtyRowTracker {\n  public start!: number;\n  public end!: number;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService\n  ) {\n    this.clearRange();\n  }\n\n  public clearRange(): void {\n    this.start = this._bufferService.buffer.y;\n    this.end = this._bufferService.buffer.y;\n  }\n\n  public markDirty(y: number): void {\n    if (y < this.start) {\n      this.start = y;\n    } else if (y > this.end) {\n      this.end = y;\n    }\n  }\n\n  public markRangeDirty(y1: number, y2: number): void {\n    if (y1 > y2) {\n      $temp = y1;\n      y1 = y2;\n      y2 = $temp;\n    }\n    if (y1 < this.start) {\n      this.start = y1;\n    }\n    if (y2 > this.end) {\n      this.end = y2;\n    }\n  }\n\n  public markAllDirty(): void {\n    this.markRangeDirty(0, this._bufferService.rows - 1);\n  }\n}\n\nfunction isValidColorIndex(value: number): value is ColorIndex {\n  return 0 <= value && value < 256;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n  protected _disposables: IDisposable[] = [];\n  protected _isDisposed: boolean = false;\n\n  /**\n   * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n   */\n  public dispose(): void {\n    this._isDisposed = true;\n    for (const d of this._disposables) {\n      d.dispose();\n    }\n    this._disposables.length = 0;\n  }\n\n  /**\n   * Registers a disposable object.\n   * @param d The disposable to register.\n   * @returns The disposable.\n   */\n  public register<T extends IDisposable>(d: T): T {\n    this._disposables.push(d);\n    return d;\n  }\n\n  /**\n   * Unregisters a disposable object if it has been registered, if not do\n   * nothing.\n   * @param d The disposable to unregister.\n   */\n  public unregister<T extends IDisposable>(d: T): void {\n    const index = this._disposables.indexOf(d);\n    if (index !== -1) {\n      this._disposables.splice(index, 1);\n    }\n  }\n}\n\nexport class MutableDisposable<T extends IDisposable> implements IDisposable {\n  private _value?: T;\n  private _isDisposed = false;\n\n  /**\n   * Gets the value if it exists.\n   */\n  public get value(): T | undefined {\n    return this._isDisposed ? undefined : this._value;\n  }\n\n  /**\n   * Sets the value, disposing of the old value if it exists.\n   */\n  public set value(value: T | undefined) {\n    if (this._isDisposed || value === this._value) {\n      return;\n    }\n    this._value?.dispose();\n    this._value = value;\n  }\n\n  /**\n   * Resets the stored value and disposes of the previously stored value.\n   */\n  public clear(): void {\n    this.value = undefined;\n  }\n\n  public dispose(): void {\n    this._isDisposed = true;\n    this._value?.dispose();\n    this._value = undefined;\n  }\n}\n\n/**\n * Wrap a function in a disposable.\n */\nexport function toDisposable(f: () => void): IDisposable {\n  return { dispose: f };\n}\n\n/**\n * Dispose of all disposables in an array and set its length to 0.\n */\nexport function disposeArray(disposables: IDisposable[]): void {\n  for (const d of disposables) {\n    d.dispose();\n  }\n  disposables.length = 0;\n}\n\n/**\n * Creates a disposable that will dispose of an array of disposables when disposed.\n */\nexport function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {\n  return { dispose: () => disposeArray(array) };\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport class TwoKeyMap<TFirst extends string | number, TSecond extends string | number, TValue> {\n  private _data: { [bg: string | number]: { [fg: string | number]: TValue | undefined } | undefined } = {};\n\n  public set(first: TFirst, second: TSecond, value: TValue): void {\n    if (!this._data[first]) {\n      this._data[first] = {};\n    }\n    this._data[first as string | number]![second] = value;\n  }\n\n  public get(first: TFirst, second: TSecond): TValue | undefined {\n    return this._data[first as string | number] ? this._data[first as string | number]![second] : undefined;\n  }\n\n  public clear(): void {\n    this._data = {};\n  }\n}\n\nexport class FourKeyMap<TFirst extends string | number, TSecond extends string | number, TThird extends string | number, TFourth extends string | number, TValue> {\n  private _data: TwoKeyMap<TFirst, TSecond, TwoKeyMap<TThird, TFourth, TValue>> = new TwoKeyMap();\n\n  public set(first: TFirst, second: TSecond, third: TThird, fourth: TFourth, value: TValue): void {\n    if (!this._data.get(first, second)) {\n      this._data.set(first, second, new TwoKeyMap());\n    }\n    this._data.get(first, second)!.set(third, fourth, value);\n  }\n\n  public get(first: TFirst, second: TSecond, third: TThird, fourth: TFourth): TValue | undefined {\n    return this._data.get(first, second)?.get(third, fourth);\n  }\n\n  public clear(): void {\n    this._data.clear();\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface INavigator {\n  userAgent: string;\n  language: string;\n  platform: string;\n}\n\n// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but\n// we want this module to live in common.\ndeclare const navigator: INavigator;\n\nexport const isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = userAgent.includes('Firefox');\nexport const isLegacyEdge = userAgent.includes('Edge');\nexport const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);\nexport function getSafariVersion(): number {\n  if (!isSafari) {\n    return 0;\n  }\n  const majorVersion = userAgent.match(/Version\\/(\\d+)/);\n  if (majorVersion === null || majorVersion.length < 2) {\n    return 0;\n  }\n  return parseInt(majorVersion[1]);\n}\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'].includes(platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].includes(platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n// Note that when this is true, isLinux will also be true.\nexport const isChromeOS = /\\bCrOS\\b/.test(userAgent);\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n// Work variables to avoid garbage collection.\nlet i = 0;\n\n/**\n * A generic list that is maintained in sorted order and allows values with duplicate keys. This\n * list is based on binary search and as such locating a key will take O(log n) amortized, this\n * includes the by key iterator.\n */\nexport class SortedList<T> {\n  private readonly _array: T[] = [];\n\n  constructor(\n    private readonly _getKey: (value: T) => number\n  ) {\n  }\n\n  public clear(): void {\n    this._array.length = 0;\n  }\n\n  public insert(value: T): void {\n    if (this._array.length === 0) {\n      this._array.push(value);\n      return;\n    }\n    i = this._search(this._getKey(value));\n    this._array.splice(i, 0, value);\n  }\n\n  public delete(value: T): boolean {\n    if (this._array.length === 0) {\n      return false;\n    }\n    const key = this._getKey(value);\n    if (key === undefined) {\n      return false;\n    }\n    i = this._search(key);\n    if (i === -1) {\n      return false;\n    }\n    if (this._getKey(this._array[i]) !== key) {\n      return false;\n    }\n    do {\n      if (this._array[i] === value) {\n        this._array.splice(i, 1);\n        return true;\n      }\n    } while (++i < this._array.length && this._getKey(this._array[i]) === key);\n    return false;\n  }\n\n  public *getKeyIterator(key: number): IterableIterator<T> {\n    if (this._array.length === 0) {\n      return;\n    }\n    i = this._search(key);\n    if (i < 0 || i >= this._array.length) {\n      return;\n    }\n    if (this._getKey(this._array[i]) !== key) {\n      return;\n    }\n    do {\n      yield this._array[i];\n    } while (++i < this._array.length && this._getKey(this._array[i]) === key);\n  }\n\n  public forEachByKey(key: number, callback: (value: T) => void): void {\n    if (this._array.length === 0) {\n      return;\n    }\n    i = this._search(key);\n    if (i < 0 || i >= this._array.length) {\n      return;\n    }\n    if (this._getKey(this._array[i]) !== key) {\n      return;\n    }\n    do {\n      callback(this._array[i]);\n    } while (++i < this._array.length && this._getKey(this._array[i]) === key);\n  }\n\n  public values(): IterableIterator<T> {\n    // Duplicate the array to avoid issues when _array changes while iterating\n    return [...this._array].values();\n  }\n\n  private _search(key: number): number {\n    let min = 0;\n    let max = this._array.length - 1;\n    while (max >= min) {\n      let mid = (min + max) >> 1;\n      const midKey = this._getKey(this._array[mid]);\n      if (midKey > key) {\n        max = mid - 1;\n      } else if (midKey < key) {\n        min = mid + 1;\n      } else {\n        // key in list, walk to lowest duplicate\n        while (mid > 0 && this._getKey(this._array[mid - 1]) === key) {\n          mid--;\n        }\n        return mid;\n      }\n    }\n    // key not in list\n    // still return closest min (also used as insert position)\n    return min;\n  }\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { isNode } from 'common/Platform';\n\ninterface ITaskQueue {\n  /**\n   * Adds a task to the queue which will run in a future idle callback.\n   * To avoid perceivable stalls on the mainthread, tasks with heavy workload\n   * should split their work into smaller pieces and return `true` to get\n   * called again until the work is done (on falsy return value).\n   */\n  enqueue(task: () => boolean | void): void;\n\n  /**\n   * Flushes the queue, running all remaining tasks synchronously.\n   */\n  flush(): void;\n\n  /**\n   * Clears any remaining tasks from the queue, these will not be run.\n   */\n  clear(): void;\n}\n\ninterface ITaskDeadline {\n  timeRemaining(): number;\n}\ntype CallbackWithDeadline = (deadline: ITaskDeadline) => void;\n\nabstract class TaskQueue implements ITaskQueue {\n  private _tasks: (() => boolean | void)[] = [];\n  private _idleCallback?: number;\n  private _i = 0;\n\n  protected abstract _requestCallback(callback: CallbackWithDeadline): number;\n  protected abstract _cancelCallback(identifier: number): void;\n\n  public enqueue(task: () => boolean | void): void {\n    this._tasks.push(task);\n    this._start();\n  }\n\n  public flush(): void {\n    while (this._i < this._tasks.length) {\n      if (!this._tasks[this._i]()) {\n        this._i++;\n      }\n    }\n    this.clear();\n  }\n\n  public clear(): void {\n    if (this._idleCallback) {\n      this._cancelCallback(this._idleCallback);\n      this._idleCallback = undefined;\n    }\n    this._i = 0;\n    this._tasks.length = 0;\n  }\n\n  private _start(): void {\n    if (!this._idleCallback) {\n      this._idleCallback = this._requestCallback(this._process.bind(this));\n    }\n  }\n\n  private _process(deadline: ITaskDeadline): void {\n    this._idleCallback = undefined;\n    let taskDuration = 0;\n    let longestTask = 0;\n    let lastDeadlineRemaining = deadline.timeRemaining();\n    let deadlineRemaining = 0;\n    while (this._i < this._tasks.length) {\n      taskDuration = Date.now();\n      if (!this._tasks[this._i]()) {\n        this._i++;\n      }\n      // other than performance.now, Date.now might not be stable (changes on wall clock changes),\n      // this is not an issue here as a clock change during a short running task is very unlikely\n      // in case it still happened and leads to negative duration, simply assume 1 msec\n      taskDuration = Math.max(1, Date.now() - taskDuration);\n      longestTask = Math.max(taskDuration, longestTask);\n      // Guess the following task will take a similar time to the longest task in this batch, allow\n      // additional room to try avoid exceeding the deadline\n      deadlineRemaining = deadline.timeRemaining();\n      if (longestTask * 1.5 > deadlineRemaining) {\n        // Warn when the time exceeding the deadline is over 20ms, if this happens in practice the\n        // task should be split into sub-tasks to ensure the UI remains responsive.\n        if (lastDeadlineRemaining - taskDuration < -20) {\n          console.warn(`task queue exceeded allotted deadline by ${Math.abs(Math.round(lastDeadlineRemaining - taskDuration))}ms`);\n        }\n        this._start();\n        return;\n      }\n      lastDeadlineRemaining = deadlineRemaining;\n    }\n    this.clear();\n  }\n}\n\n/**\n * A queue of that runs tasks over several tasks via setTimeout, trying to maintain above 60 frames\n * per second. The tasks will run in the order they are enqueued, but they will run some time later,\n * and care should be taken to ensure they're non-urgent and will not introduce race conditions.\n */\nexport class PriorityTaskQueue extends TaskQueue {\n  protected _requestCallback(callback: CallbackWithDeadline): number {\n    return setTimeout(() => callback(this._createDeadline(16)));\n  }\n\n  protected _cancelCallback(identifier: number): void {\n    clearTimeout(identifier);\n  }\n\n  private _createDeadline(duration: number): ITaskDeadline {\n    const end = Date.now() + duration;\n    return {\n      timeRemaining: () => Math.max(0, end - Date.now())\n    };\n  }\n}\n\nclass IdleTaskQueueInternal extends TaskQueue {\n  protected _requestCallback(callback: IdleRequestCallback): number {\n    return requestIdleCallback(callback);\n  }\n\n  protected _cancelCallback(identifier: number): void {\n    cancelIdleCallback(identifier);\n  }\n}\n\n/**\n * A queue of that runs tasks over several idle callbacks, trying to respect the idle callback's\n * deadline given by the environment. The tasks will run in the order they are enqueued, but they\n * will run some time later, and care should be taken to ensure they're non-urgent and will not\n * introduce race conditions.\n *\n * This reverts to a {@link PriorityTaskQueue} if the environment does not support idle callbacks.\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport const IdleTaskQueue = (!isNode && 'requestIdleCallback' in window) ? IdleTaskQueueInternal : PriorityTaskQueue;\n\n/**\n * An object that tracks a single debounced task that will run on the next idle frame. When called\n * multiple times, only the last set task will run.\n */\nexport class DebouncedIdleTask {\n  private _queue: ITaskQueue;\n\n  constructor() {\n    this._queue = new IdleTaskQueue();\n  }\n\n  public set(task: () => boolean | void): void {\n    this._queue.clear();\n    this._queue.enqueue(task);\n  }\n\n  public flush(): void {\n    this._queue.flush();\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'common/buffer/Constants';\nimport { IBufferService } from 'common/services/Services';\n\nexport function updateWindowsModeWrappedState(bufferService: IBufferService): void {\n  // Winpty does not support wraparound mode which means that lines will never\n  // be marked as wrapped. This causes issues for things like copying a line\n  // retaining the wrapped new line characters or if consumers are listening\n  // in on the data stream.\n  //\n  // The workaround for this is to listen to every incoming line feed and mark\n  // the line as wrapped if the last character in the previous line is not a\n  // space. This is certainly not without its problems, but generally on\n  // Windows when text reaches the end of the terminal it's likely going to be\n  // wrapped.\n  const line = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y - 1);\n  const lastChar = line?.get(bufferService.cols - 1);\n\n  const nextLine = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y);\n  if (nextLine && lastChar) {\n    nextLine.isWrapped = (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE);\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IAttributeData, IColorRGB, IExtendedAttrs } from 'common/Types';\nimport { Attributes, FgFlags, BgFlags, UnderlineStyle, ExtFlags } from 'common/buffer/Constants';\n\nexport class AttributeData implements IAttributeData {\n  public static toColorRGB(value: number): IColorRGB {\n    return [\n      value >>> Attributes.RED_SHIFT & 255,\n      value >>> Attributes.GREEN_SHIFT & 255,\n      value & 255\n    ];\n  }\n\n  public static fromColorRGB(value: IColorRGB): number {\n    return (value[0] & 255) << Attributes.RED_SHIFT | (value[1] & 255) << Attributes.GREEN_SHIFT | value[2] & 255;\n  }\n\n  public clone(): IAttributeData {\n    const newObj = new AttributeData();\n    newObj.fg = this.fg;\n    newObj.bg = this.bg;\n    newObj.extended = this.extended.clone();\n    return newObj;\n  }\n\n  // data\n  public fg = 0;\n  public bg = 0;\n  public extended: IExtendedAttrs = new ExtendedAttrs();\n\n  // flags\n  public isInverse(): number       { return this.fg & FgFlags.INVERSE; }\n  public isBold(): number          { return this.fg & FgFlags.BOLD; }\n  public isUnderline(): number     {\n    if (this.hasExtendedAttrs() && this.extended.underlineStyle !== UnderlineStyle.NONE) {\n      return 1;\n    }\n    return this.fg & FgFlags.UNDERLINE;\n  }\n  public isBlink(): number         { return this.fg & FgFlags.BLINK; }\n  public isInvisible(): number     { return this.fg & FgFlags.INVISIBLE; }\n  public isItalic(): number        { return this.bg & BgFlags.ITALIC; }\n  public isDim(): number           { return this.bg & BgFlags.DIM; }\n  public isStrikethrough(): number { return this.fg & FgFlags.STRIKETHROUGH; }\n  public isProtected(): number     { return this.bg & BgFlags.PROTECTED; }\n  public isOverline(): number      { return this.bg & BgFlags.OVERLINE; }\n\n  // color modes\n  public getFgColorMode(): number { return this.fg & Attributes.CM_MASK; }\n  public getBgColorMode(): number { return this.bg & Attributes.CM_MASK; }\n  public isFgRGB(): boolean       { return (this.fg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n  public isBgRGB(): boolean       { return (this.bg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n  public isFgPalette(): boolean   { return (this.fg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.fg & Attributes.CM_MASK) === Attributes.CM_P256; }\n  public isBgPalette(): boolean   { return (this.bg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.bg & Attributes.CM_MASK) === Attributes.CM_P256; }\n  public isFgDefault(): boolean   { return (this.fg & Attributes.CM_MASK) === 0; }\n  public isBgDefault(): boolean   { return (this.bg & Attributes.CM_MASK) === 0; }\n  public isAttributeDefault(): boolean { return this.fg === 0 && this.bg === 0; }\n\n  // colors\n  public getFgColor(): number {\n    switch (this.fg & Attributes.CM_MASK) {\n      case Attributes.CM_P16:\n      case Attributes.CM_P256:  return this.fg & Attributes.PCOLOR_MASK;\n      case Attributes.CM_RGB:   return this.fg & Attributes.RGB_MASK;\n      default:                  return -1;  // CM_DEFAULT defaults to -1\n    }\n  }\n  public getBgColor(): number {\n    switch (this.bg & Attributes.CM_MASK) {\n      case Attributes.CM_P16:\n      case Attributes.CM_P256:  return this.bg & Attributes.PCOLOR_MASK;\n      case Attributes.CM_RGB:   return this.bg & Attributes.RGB_MASK;\n      default:                  return -1;  // CM_DEFAULT defaults to -1\n    }\n  }\n\n  // extended attrs\n  public hasExtendedAttrs(): number {\n    return this.bg & BgFlags.HAS_EXTENDED;\n  }\n  public updateExtended(): void {\n    if (this.extended.isEmpty()) {\n      this.bg &= ~BgFlags.HAS_EXTENDED;\n    } else {\n      this.bg |= BgFlags.HAS_EXTENDED;\n    }\n  }\n  public getUnderlineColor(): number {\n    if ((this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor) {\n      switch (this.extended.underlineColor & Attributes.CM_MASK) {\n        case Attributes.CM_P16:\n        case Attributes.CM_P256:  return this.extended.underlineColor & Attributes.PCOLOR_MASK;\n        case Attributes.CM_RGB:   return this.extended.underlineColor & Attributes.RGB_MASK;\n        default:                  return this.getFgColor();\n      }\n    }\n    return this.getFgColor();\n  }\n  public getUnderlineColorMode(): number {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? this.extended.underlineColor & Attributes.CM_MASK\n      : this.getFgColorMode();\n  }\n  public isUnderlineColorRGB(): boolean {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_RGB\n      : this.isFgRGB();\n  }\n  public isUnderlineColorPalette(): boolean {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P16\n          || (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P256\n      : this.isFgPalette();\n  }\n  public isUnderlineColorDefault(): boolean {\n    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor\n      ? (this.extended.underlineColor & Attributes.CM_MASK) === 0\n      : this.isFgDefault();\n  }\n  public getUnderlineStyle(): UnderlineStyle {\n    return this.fg & FgFlags.UNDERLINE\n      ? (this.bg & BgFlags.HAS_EXTENDED ? this.extended.underlineStyle : UnderlineStyle.SINGLE)\n      : UnderlineStyle.NONE;\n  }\n}\n\n\n/**\n * Extended attributes for a cell.\n * Holds information about different underline styles and color.\n */\nexport class ExtendedAttrs implements IExtendedAttrs {\n  private _ext: number = 0;\n  public get ext(): number {\n    if (this._urlId) {\n      return (\n        (this._ext & ~ExtFlags.UNDERLINE_STYLE) |\n        (this.underlineStyle << 26)\n      );\n    }\n    return this._ext;\n  }\n  public set ext(value: number) { this._ext = value; }\n\n  public get underlineStyle(): UnderlineStyle {\n    // Always return the URL style if it has one\n    if (this._urlId) {\n      return UnderlineStyle.DASHED;\n    }\n    return (this._ext & ExtFlags.UNDERLINE_STYLE) >> 26;\n  }\n  public set underlineStyle(value: UnderlineStyle) {\n    this._ext &= ~ExtFlags.UNDERLINE_STYLE;\n    this._ext |= (value << 26) & ExtFlags.UNDERLINE_STYLE;\n  }\n\n  public get underlineColor(): number {\n    return this._ext & (Attributes.CM_MASK | Attributes.RGB_MASK);\n  }\n  public set underlineColor(value: number) {\n    this._ext &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n    this._ext |= value & (Attributes.CM_MASK | Attributes.RGB_MASK);\n  }\n\n  private _urlId: number = 0;\n  public get urlId(): number {\n    return this._urlId;\n  }\n  public set urlId(value: number) {\n    this._urlId = value;\n  }\n\n  constructor(\n    ext: number = 0,\n    urlId: number = 0\n  ) {\n    this._ext = ext;\n    this._urlId = urlId;\n  }\n\n  public clone(): IExtendedAttrs {\n    return new ExtendedAttrs(this._ext, this._urlId);\n  }\n\n  /**\n   * Convenient method to indicate whether the object holds no additional information,\n   * that needs to be persistant in the buffer.\n   */\n  public isEmpty(): boolean {\n    return this.underlineStyle === UnderlineStyle.NONE && this._urlId === 0;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CircularList, IInsertEvent } from 'common/CircularList';\nimport { IdleTaskQueue } from 'common/TaskQueue';\nimport { IAttributeData, IBufferLine, ICellData, ICharset } from 'common/Types';\nimport { ExtendedAttrs } from 'common/buffer/AttributeData';\nimport { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { getWrappedLineTrimmedLength, reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths } from 'common/buffer/BufferReflow';\nimport { CellData } from 'common/buffer/CellData';\nimport { NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE, WHITESPACE_CELL_WIDTH } from 'common/buffer/Constants';\nimport { Marker } from 'common/buffer/Marker';\nimport { IBuffer } from 'common/buffer/Types';\nimport { DEFAULT_CHARSET } from 'common/data/Charsets';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nexport const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n *   - text content of this particular buffer\n *   - cursor position\n *   - scroll position\n */\nexport class Buffer implements IBuffer {\n  public lines: CircularList<IBufferLine>;\n  public ydisp: number = 0;\n  public ybase: number = 0;\n  public y: number = 0;\n  public x: number = 0;\n  public scrollBottom: number;\n  public scrollTop: number;\n  public tabs: { [column: number]: boolean | undefined } = {};\n  public savedY: number = 0;\n  public savedX: number = 0;\n  public savedCurAttrData = DEFAULT_ATTR_DATA.clone();\n  public savedCharset: ICharset | undefined = DEFAULT_CHARSET;\n  public markers: Marker[] = [];\n  private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n  private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);\n  private _cols: number;\n  private _rows: number;\n  private _isClearing: boolean = false;\n\n  constructor(\n    private _hasScrollback: boolean,\n    private _optionsService: IOptionsService,\n    private _bufferService: IBufferService\n  ) {\n    this._cols = this._bufferService.cols;\n    this._rows = this._bufferService.rows;\n    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n    this.scrollTop = 0;\n    this.scrollBottom = this._rows - 1;\n    this.setupTabStops();\n  }\n\n  public getNullCell(attr?: IAttributeData): ICellData {\n    if (attr) {\n      this._nullCell.fg = attr.fg;\n      this._nullCell.bg = attr.bg;\n      this._nullCell.extended = attr.extended;\n    } else {\n      this._nullCell.fg = 0;\n      this._nullCell.bg = 0;\n      this._nullCell.extended = new ExtendedAttrs();\n    }\n    return this._nullCell;\n  }\n\n  public getWhitespaceCell(attr?: IAttributeData): ICellData {\n    if (attr) {\n      this._whitespaceCell.fg = attr.fg;\n      this._whitespaceCell.bg = attr.bg;\n      this._whitespaceCell.extended = attr.extended;\n    } else {\n      this._whitespaceCell.fg = 0;\n      this._whitespaceCell.bg = 0;\n      this._whitespaceCell.extended = new ExtendedAttrs();\n    }\n    return this._whitespaceCell;\n  }\n\n  public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {\n    return new BufferLine(this._bufferService.cols, this.getNullCell(attr), isWrapped);\n  }\n\n  public get hasScrollback(): boolean {\n    return this._hasScrollback && this.lines.maxLength > this._rows;\n  }\n\n  public get isCursorInViewport(): boolean {\n    const absoluteY = this.ybase + this.y;\n    const relativeY = absoluteY - this.ydisp;\n    return (relativeY >= 0 && relativeY < this._rows);\n  }\n\n  /**\n   * Gets the correct buffer length based on the rows provided, the terminal's\n   * scrollback and whether this buffer is flagged to have scrollback or not.\n   * @param rows The terminal rows to use in the calculation.\n   */\n  private _getCorrectBufferLength(rows: number): number {\n    if (!this._hasScrollback) {\n      return rows;\n    }\n\n    const correctBufferLength = rows + this._optionsService.rawOptions.scrollback;\n\n    return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;\n  }\n\n  /**\n   * Fills the buffer's viewport with blank lines.\n   */\n  public fillViewportRows(fillAttr?: IAttributeData): void {\n    if (this.lines.length === 0) {\n      if (fillAttr === undefined) {\n        fillAttr = DEFAULT_ATTR_DATA;\n      }\n      let i = this._rows;\n      while (i--) {\n        this.lines.push(this.getBlankLine(fillAttr));\n      }\n    }\n  }\n\n  /**\n   * Clears the buffer to it's initial state, discarding all previous data.\n   */\n  public clear(): void {\n    this.ydisp = 0;\n    this.ybase = 0;\n    this.y = 0;\n    this.x = 0;\n    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n    this.scrollTop = 0;\n    this.scrollBottom = this._rows - 1;\n    this.setupTabStops();\n  }\n\n  /**\n   * Resizes the buffer, adjusting its data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    // store reference to null cell with default attrs\n    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n\n    // count bufferlines with overly big memory to be cleaned afterwards\n    let dirtyMemoryLines = 0;\n\n    // Increase max length if needed before adjustments to allow space to fill\n    // as required.\n    const newMaxLength = this._getCorrectBufferLength(newRows);\n    if (newMaxLength > this.lines.maxLength) {\n      this.lines.maxLength = newMaxLength;\n    }\n\n    // The following adjustments should only happen if the buffer has been\n    // initialized/filled.\n    if (this.lines.length > 0) {\n      // Deal with columns increasing (reducing needs to happen after reflow)\n      if (this._cols < newCols) {\n        for (let i = 0; i < this.lines.length; i++) {\n          // +boolean for fast 0 or 1 conversion\n          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);\n        }\n      }\n\n      // Resize rows in both directions as needed\n      let addToY = 0;\n      if (this._rows < newRows) {\n        for (let y = this._rows; y < newRows; y++) {\n          if (this.lines.length < newRows + this.ybase) {\n            if (this._optionsService.rawOptions.windowsMode || this._optionsService.rawOptions.windowsPty.backend !== undefined || this._optionsService.rawOptions.windowsPty.buildNumber !== undefined) {\n              // Just add the new missing rows on Windows as conpty reprints the screen with it's\n              // view of the world. Once a line enters scrollback for conpty it remains there\n              this.lines.push(new BufferLine(newCols, nullCell));\n            } else {\n              if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n                // There is room above the buffer and there are no empty elements below the line,\n                // scroll up\n                this.ybase--;\n                addToY++;\n                if (this.ydisp > 0) {\n                  // Viewport is at the top of the buffer, must increase downwards\n                  this.ydisp--;\n                }\n              } else {\n                // Add a blank line if there is no buffer left at the top to scroll to, or if there\n                // are blank lines after the cursor\n                this.lines.push(new BufferLine(newCols, nullCell));\n              }\n            }\n          }\n        }\n      } else { // (this._rows >= newRows)\n        for (let y = this._rows; y > newRows; y--) {\n          if (this.lines.length > newRows + this.ybase) {\n            if (this.lines.length > this.ybase + this.y + 1) {\n              // The line is a blank line below the cursor, remove it\n              this.lines.pop();\n            } else {\n              // The line is the cursor, scroll down\n              this.ybase++;\n              this.ydisp++;\n            }\n          }\n        }\n      }\n\n      // Reduce max length if needed after adjustments, this is done after as it\n      // would otherwise cut data from the bottom of the buffer.\n      if (newMaxLength < this.lines.maxLength) {\n        // Trim from the top of the buffer and adjust ybase and ydisp.\n        const amountToTrim = this.lines.length - newMaxLength;\n        if (amountToTrim > 0) {\n          this.lines.trimStart(amountToTrim);\n          this.ybase = Math.max(this.ybase - amountToTrim, 0);\n          this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n          this.savedY = Math.max(this.savedY - amountToTrim, 0);\n        }\n        this.lines.maxLength = newMaxLength;\n      }\n\n      // Make sure that the cursor stays on screen\n      this.x = Math.min(this.x, newCols - 1);\n      this.y = Math.min(this.y, newRows - 1);\n      if (addToY) {\n        this.y += addToY;\n      }\n      this.savedX = Math.min(this.savedX, newCols - 1);\n\n      this.scrollTop = 0;\n    }\n\n    this.scrollBottom = newRows - 1;\n\n    if (this._isReflowEnabled) {\n      this._reflow(newCols, newRows);\n\n      // Trim the end of the line off if cols shrunk\n      if (this._cols > newCols) {\n        for (let i = 0; i < this.lines.length; i++) {\n          // +boolean for fast 0 or 1 conversion\n          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);\n        }\n      }\n    }\n\n    this._cols = newCols;\n    this._rows = newRows;\n\n    this._memoryCleanupQueue.clear();\n    // schedule memory cleanup only, if more than 10% of the lines are affected\n    if (dirtyMemoryLines > 0.1 * this.lines.length) {\n      this._memoryCleanupPosition = 0;\n      this._memoryCleanupQueue.enqueue(() => this._batchedMemoryCleanup());\n    }\n  }\n\n  private _memoryCleanupQueue = new IdleTaskQueue();\n  private _memoryCleanupPosition = 0;\n\n  private _batchedMemoryCleanup(): boolean {\n    let normalRun = true;\n    if (this._memoryCleanupPosition >= this.lines.length) {\n      // cleanup made it once through all lines, thus rescan in loop below to also catch shifted\n      // lines, which should finish rather quick if there are no more cleanups pending\n      this._memoryCleanupPosition = 0;\n      normalRun = false;\n    }\n    let counted = 0;\n    while (this._memoryCleanupPosition < this.lines.length) {\n      counted += this.lines.get(this._memoryCleanupPosition++)!.cleanupMemory();\n      // cleanup max 100 lines per batch\n      if (counted > 100) {\n        return true;\n      }\n    }\n    // normal runs always need another rescan afterwards\n    // if we made it here with normalRun=false, we are in a final run\n    // and can end the cleanup task for sure\n    return normalRun;\n  }\n\n  private get _isReflowEnabled(): boolean {\n    const windowsPty = this._optionsService.rawOptions.windowsPty;\n    if (windowsPty && windowsPty.buildNumber) {\n      return this._hasScrollback && windowsPty.backend === 'conpty' && windowsPty.buildNumber >= 21376;\n    }\n    return this._hasScrollback && !this._optionsService.rawOptions.windowsMode;\n  }\n\n  private _reflow(newCols: number, newRows: number): void {\n    if (this._cols === newCols) {\n      return;\n    }\n\n    // Iterate through rows, ignore the last one as it cannot be wrapped\n    if (newCols > this._cols) {\n      this._reflowLarger(newCols, newRows);\n    } else {\n      this._reflowSmaller(newCols, newRows);\n    }\n  }\n\n  private _reflowLarger(newCols: number, newRows: number): void {\n    const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));\n    if (toRemove.length > 0) {\n      const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);\n      reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);\n      this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);\n    }\n  }\n\n  private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {\n    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n    // Adjust viewport based on number of items removed\n    let viewportAdjustments = countRemoved;\n    while (viewportAdjustments-- > 0) {\n      if (this.ybase === 0) {\n        if (this.y > 0) {\n          this.y--;\n        }\n        if (this.lines.length < newRows) {\n          // Add an extra row at the bottom of the viewport\n          this.lines.push(new BufferLine(newCols, nullCell));\n        }\n      } else {\n        if (this.ydisp === this.ybase) {\n          this.ydisp--;\n        }\n        this.ybase--;\n      }\n    }\n    this.savedY = Math.max(this.savedY - countRemoved, 0);\n  }\n\n  private _reflowSmaller(newCols: number, newRows: number): void {\n    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n    // Gather all BufferLines that need to be inserted into the Buffer here so that they can be\n    // batched up and only committed once\n    const toInsert = [];\n    let countToInsert = 0;\n    // Go backwards as many lines may be trimmed and this will avoid considering them\n    for (let y = this.lines.length - 1; y >= 0; y--) {\n      // Check whether this line is a problem\n      let nextLine = this.lines.get(y) as BufferLine;\n      if (!nextLine || !nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {\n        continue;\n      }\n\n      // Gather wrapped lines and adjust y to be the starting line\n      const wrappedLines: BufferLine[] = [nextLine];\n      while (nextLine.isWrapped && y > 0) {\n        nextLine = this.lines.get(--y) as BufferLine;\n        wrappedLines.unshift(nextLine);\n      }\n\n      // If these lines contain the cursor don't touch them, the program will handle fixing up\n      // wrapped lines with the cursor\n      const absoluteY = this.ybase + this.y;\n      if (absoluteY >= y && absoluteY < y + wrappedLines.length) {\n        continue;\n      }\n\n      const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();\n      const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);\n      const linesToAdd = destLineLengths.length - wrappedLines.length;\n      let trimmedLines: number;\n      if (this.ybase === 0 && this.y !== this.lines.length - 1) {\n        // If the top section of the buffer is not yet filled\n        trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);\n      } else {\n        trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);\n      }\n\n      // Add the new lines\n      const newLines: BufferLine[] = [];\n      for (let i = 0; i < linesToAdd; i++) {\n        const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;\n        newLines.push(newLine);\n      }\n      if (newLines.length > 0) {\n        toInsert.push({\n          // countToInsert here gets the actual index, taking into account other inserted items.\n          // using this we can iterate through the list forwards\n          start: y + wrappedLines.length + countToInsert,\n          newLines\n        });\n        countToInsert += newLines.length;\n      }\n      wrappedLines.push(...newLines);\n\n      // Copy buffer data to new locations, this needs to happen backwards to do in-place\n      let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);\n      let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;\n      if (destCol === 0) {\n        destLineIndex--;\n        destCol = destLineLengths[destLineIndex];\n      }\n      let srcLineIndex = wrappedLines.length - linesToAdd - 1;\n      let srcCol = lastLineLength;\n      while (srcLineIndex >= 0) {\n        const cellsToCopy = Math.min(srcCol, destCol);\n        if (wrappedLines[destLineIndex] === undefined) {\n          // Sanity check that the line exists, this has been known to fail for an unknown reason\n          // which would stop the reflow from happening if an exception would throw.\n          break;\n        }\n        wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);\n        destCol -= cellsToCopy;\n        if (destCol === 0) {\n          destLineIndex--;\n          destCol = destLineLengths[destLineIndex];\n        }\n        srcCol -= cellsToCopy;\n        if (srcCol === 0) {\n          srcLineIndex--;\n          const wrappedLinesIndex = Math.max(srcLineIndex, 0);\n          srcCol = getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);\n        }\n      }\n\n      // Null out the end of the line ends if a wide character wrapped to the following line\n      for (let i = 0; i < wrappedLines.length; i++) {\n        if (destLineLengths[i] < newCols) {\n          wrappedLines[i].setCell(destLineLengths[i], nullCell);\n        }\n      }\n\n      // Adjust viewport as needed\n      let viewportAdjustments = linesToAdd - trimmedLines;\n      while (viewportAdjustments-- > 0) {\n        if (this.ybase === 0) {\n          if (this.y < newRows - 1) {\n            this.y++;\n            this.lines.pop();\n          } else {\n            this.ybase++;\n            this.ydisp++;\n          }\n        } else {\n          // Ensure ybase does not exceed its maximum value\n          if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {\n            if (this.ybase === this.ydisp) {\n              this.ydisp++;\n            }\n            this.ybase++;\n          }\n        }\n      }\n      this.savedY = Math.min(this.savedY + linesToAdd, this.ybase + newRows - 1);\n    }\n\n    // Rearrange lines in the buffer if there are any insertions, this is done at the end rather\n    // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many\n    // costly calls to CircularList.splice.\n    if (toInsert.length > 0) {\n      // Record buffer insert events and then play them back backwards so that the indexes are\n      // correct\n      const insertEvents: IInsertEvent[] = [];\n\n      // Record original lines so they don't get overridden when we rearrange the list\n      const originalLines: BufferLine[] = [];\n      for (let i = 0; i < this.lines.length; i++) {\n        originalLines.push(this.lines.get(i) as BufferLine);\n      }\n      const originalLinesLength = this.lines.length;\n\n      let originalLineIndex = originalLinesLength - 1;\n      let nextToInsertIndex = 0;\n      let nextToInsert = toInsert[nextToInsertIndex];\n      this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);\n      let countInsertedSoFar = 0;\n      for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {\n        if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {\n          // Insert extra lines here, adjusting i as needed\n          for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {\n            this.lines.set(i--, nextToInsert.newLines[nextI]);\n          }\n          i++;\n\n          // Create insert events for later\n          insertEvents.push({\n            index: originalLineIndex + 1,\n            amount: nextToInsert.newLines.length\n          });\n\n          countInsertedSoFar += nextToInsert.newLines.length;\n          nextToInsert = toInsert[++nextToInsertIndex];\n        } else {\n          this.lines.set(i, originalLines[originalLineIndex--]);\n        }\n      }\n\n      // Update markers\n      let insertCountEmitted = 0;\n      for (let i = insertEvents.length - 1; i >= 0; i--) {\n        insertEvents[i].index += insertCountEmitted;\n        this.lines.onInsertEmitter.fire(insertEvents[i]);\n        insertCountEmitted += insertEvents[i].amount;\n      }\n      const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);\n      if (amountToTrim > 0) {\n        this.lines.onTrimEmitter.fire(amountToTrim);\n      }\n    }\n  }\n\n  /**\n   * Translates a buffer line to a string, with optional start and end columns.\n   * Wide characters will count as two columns in the resulting string. This\n   * function is useful for getting the actual text underneath the raw selection\n   * position.\n   * @param lineIndex The absolute index of the line being translated.\n   * @param trimRight Whether to trim whitespace to the right.\n   * @param startCol The column to start at.\n   * @param endCol The column to end at.\n   */\n  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {\n    const line = this.lines.get(lineIndex);\n    if (!line) {\n      return '';\n    }\n    return line.translateToString(trimRight, startCol, endCol);\n  }\n\n  public getWrappedRangeForLine(y: number): { first: number, last: number } {\n    let first = y;\n    let last = y;\n    // Scan upwards for wrapped lines\n    while (first > 0 && this.lines.get(first)!.isWrapped) {\n      first--;\n    }\n    // Scan downwards for wrapped lines\n    while (last + 1 < this.lines.length && this.lines.get(last + 1)!.isWrapped) {\n      last++;\n    }\n    return { first, last };\n  }\n\n  /**\n   * Setup the tab stops.\n   * @param i The index to start setting up tab stops from.\n   */\n  public setupTabStops(i?: number): void {\n    if (i !== null && i !== undefined) {\n      if (!this.tabs[i]) {\n        i = this.prevStop(i);\n      }\n    } else {\n      this.tabs = {};\n      i = 0;\n    }\n\n    for (; i < this._cols; i += this._optionsService.rawOptions.tabStopWidth) {\n      this.tabs[i] = true;\n    }\n  }\n\n  /**\n   * Move the cursor to the previous tab stop from the given position (default is current).\n   * @param x The position to move the cursor to the previous tab stop.\n   */\n  public prevStop(x?: number): number {\n    if (x === null || x === undefined) {\n      x = this.x;\n    }\n    while (!this.tabs[--x] && x > 0);\n    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n  }\n\n  /**\n   * Move the cursor one tab stop forward from the given position (default is current).\n   * @param x The position to move the cursor one tab stop forward.\n   */\n  public nextStop(x?: number): number {\n    if (x === null || x === undefined) {\n      x = this.x;\n    }\n    while (!this.tabs[++x] && x < this._cols);\n    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n  }\n\n  /**\n   * Clears markers on single line.\n   * @param y The line to clear.\n   */\n  public clearMarkers(y: number): void {\n    this._isClearing = true;\n    for (let i = 0; i < this.markers.length; i++) {\n      if (this.markers[i].line === y) {\n        this.markers[i].dispose();\n        this.markers.splice(i--, 1);\n      }\n    }\n    this._isClearing = false;\n  }\n\n  /**\n   * Clears markers on all lines\n   */\n  public clearAllMarkers(): void {\n    this._isClearing = true;\n    for (let i = 0; i < this.markers.length; i++) {\n      this.markers[i].dispose();\n      this.markers.splice(i--, 1);\n    }\n    this._isClearing = false;\n  }\n\n  public addMarker(y: number): Marker {\n    const marker = new Marker(y);\n    this.markers.push(marker);\n    marker.register(this.lines.onTrim(amount => {\n      marker.line -= amount;\n      // The marker should be disposed when the line is trimmed from the buffer\n      if (marker.line < 0) {\n        marker.dispose();\n      }\n    }));\n    marker.register(this.lines.onInsert(event => {\n      if (marker.line >= event.index) {\n        marker.line += event.amount;\n      }\n    }));\n    marker.register(this.lines.onDelete(event => {\n      // Delete the marker if it's within the range\n      if (marker.line >= event.index && marker.line < event.index + event.amount) {\n        marker.dispose();\n      }\n\n      // Shift the marker if it's after the deleted range\n      if (marker.line > event.index) {\n        marker.line -= event.amount;\n      }\n    }));\n    marker.register(marker.onDispose(() => this._removeMarker(marker)));\n    return marker;\n  }\n\n  private _removeMarker(marker: Marker): void {\n    if (!this._isClearing) {\n      this.markers.splice(this.markers.indexOf(marker), 1);\n    }\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CharData, IAttributeData, IBufferLine, ICellData, IExtendedAttrs } from 'common/Types';\nimport { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';\nimport { CellData } from 'common/buffer/CellData';\nimport { Attributes, BgFlags, CHAR_DATA_ATTR_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, Content, NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR } from 'common/buffer/Constants';\nimport { stringFromCodePoint } from 'common/input/TextDecoder';\n\n/**\n * buffer memory layout:\n *\n *   |             uint32_t             |        uint32_t         |        uint32_t         |\n *   |             `content`            |          `FG`           |          `BG`           |\n *   | wcwidth(2) comb(1) codepoint(21) | flags(8) R(8) G(8) B(8) | flags(8) R(8) G(8) B(8) |\n */\n\n\n/** typed array slots taken by one cell */\nconst CELL_SIZE = 3;\n\n/**\n * Cell member indices.\n *\n * Direct access:\n *    `content = data[column * CELL_SIZE + Cell.CONTENT];`\n *    `fg = data[column * CELL_SIZE + Cell.FG];`\n *    `bg = data[column * CELL_SIZE + Cell.BG];`\n */\nconst enum Cell {\n  CONTENT = 0,\n  FG = 1, // currently simply holds all known attrs\n  BG = 2  // currently unused\n}\n\nexport const DEFAULT_ATTR_DATA = Object.freeze(new AttributeData());\n\n// Work variables to avoid garbage collection\nlet $startIndex = 0;\n\n/** Factor when to cleanup underlying array buffer after shrinking. */\nconst CLEANUP_THRESHOLD = 2;\n\n/**\n * Typed array based bufferline implementation.\n *\n * There are 2 ways to insert data into the cell buffer:\n * - `setCellFromCodepoint` + `addCodepointToCell`\n *   Use these for data that is already UTF32.\n *   Used during normal input in `InputHandler` for faster buffer access.\n * - `setCell`\n *   This method takes a CellData object and stores the data in the buffer.\n *   Use `CellData.fromCharData` to create the CellData object (e.g. from JS string).\n *\n * To retrieve data from the buffer use either one of the primitive methods\n * (if only one particular value is needed) or `loadCell`. For `loadCell` in a loop\n * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.\n */\nexport class BufferLine implements IBufferLine {\n  protected _data: Uint32Array;\n  protected _combined: {[index: number]: string} = {};\n  protected _extendedAttrs: {[index: number]: IExtendedAttrs | undefined} = {};\n  public length: number;\n\n  constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {\n    this._data = new Uint32Array(cols * CELL_SIZE);\n    const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n    for (let i = 0; i < cols; ++i) {\n      this.setCell(i, cell);\n    }\n    this.length = cols;\n  }\n\n  /**\n   * Get cell data CharData.\n   * @deprecated\n   */\n  public get(index: number): CharData {\n    const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    const cp = content & Content.CODEPOINT_MASK;\n    return [\n      this._data[index * CELL_SIZE + Cell.FG],\n      (content & Content.IS_COMBINED_MASK)\n        ? this._combined[index]\n        : (cp) ? stringFromCodePoint(cp) : '',\n      content >> Content.WIDTH_SHIFT,\n      (content & Content.IS_COMBINED_MASK)\n        ? this._combined[index].charCodeAt(this._combined[index].length - 1)\n        : cp\n    ];\n  }\n\n  /**\n   * Set cell data from CharData.\n   * @deprecated\n   */\n  public set(index: number, value: CharData): void {\n    this._data[index * CELL_SIZE + Cell.FG] = value[CHAR_DATA_ATTR_INDEX];\n    if (value[CHAR_DATA_CHAR_INDEX].length > 1) {\n      this._combined[index] = value[1];\n      this._data[index * CELL_SIZE + Cell.CONTENT] = index | Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    } else {\n      this._data[index * CELL_SIZE + Cell.CONTENT] = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    }\n  }\n\n  /**\n   * primitive getters\n   * use these when only one value is needed, otherwise use `loadCell`\n   */\n  public getWidth(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT;\n  }\n\n  /** Test whether content has width. */\n  public hasWidth(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.WIDTH_MASK;\n  }\n\n  /** Get FG cell component. */\n  public getFg(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.FG];\n  }\n\n  /** Get BG cell component. */\n  public getBg(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.BG];\n  }\n\n  /**\n   * Test whether contains any chars.\n   * Basically an empty has no content, but other cells might differ in FG/BG\n   * from real empty cells.\n   */\n  public hasContent(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK;\n  }\n\n  /**\n   * Get codepoint of the cell.\n   * To be in line with `code` in CharData this either returns\n   * a single UTF32 codepoint or the last codepoint of a combined string.\n   */\n  public getCodePoint(index: number): number {\n    const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    if (content & Content.IS_COMBINED_MASK) {\n      return this._combined[index].charCodeAt(this._combined[index].length - 1);\n    }\n    return content & Content.CODEPOINT_MASK;\n  }\n\n  /** Test whether the cell contains a combined string. */\n  public isCombined(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.IS_COMBINED_MASK;\n  }\n\n  /** Returns the string content of the cell. */\n  public getString(index: number): string {\n    const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    if (content & Content.IS_COMBINED_MASK) {\n      return this._combined[index];\n    }\n    if (content & Content.CODEPOINT_MASK) {\n      return stringFromCodePoint(content & Content.CODEPOINT_MASK);\n    }\n    // return empty string for empty cells\n    return '';\n  }\n\n  /** Get state of protected flag. */\n  public isProtected(index: number): number {\n    return this._data[index * CELL_SIZE + Cell.BG] & BgFlags.PROTECTED;\n  }\n\n  /**\n   * Load data at `index` into `cell`. This is used to access cells in a way that's more friendly\n   * to GC as it significantly reduced the amount of new objects/references needed.\n   */\n  public loadCell(index: number, cell: ICellData): ICellData {\n    $startIndex = index * CELL_SIZE;\n    cell.content = this._data[$startIndex + Cell.CONTENT];\n    cell.fg = this._data[$startIndex + Cell.FG];\n    cell.bg = this._data[$startIndex + Cell.BG];\n    if (cell.content & Content.IS_COMBINED_MASK) {\n      cell.combinedData = this._combined[index];\n    }\n    if (cell.bg & BgFlags.HAS_EXTENDED) {\n      cell.extended = this._extendedAttrs[index]!;\n    }\n    return cell;\n  }\n\n  /**\n   * Set data at `index` to `cell`.\n   */\n  public setCell(index: number, cell: ICellData): void {\n    if (cell.content & Content.IS_COMBINED_MASK) {\n      this._combined[index] = cell.combinedData;\n    }\n    if (cell.bg & BgFlags.HAS_EXTENDED) {\n      this._extendedAttrs[index] = cell.extended;\n    }\n    this._data[index * CELL_SIZE + Cell.CONTENT] = cell.content;\n    this._data[index * CELL_SIZE + Cell.FG] = cell.fg;\n    this._data[index * CELL_SIZE + Cell.BG] = cell.bg;\n  }\n\n  /**\n   * Set cell data from input handler.\n   * Since the input handler see the incoming chars as UTF32 codepoints,\n   * it gets an optimized access method.\n   */\n  public setCellFromCodePoint(index: number, codePoint: number, width: number, fg: number, bg: number, eAttrs: IExtendedAttrs): void {\n    if (bg & BgFlags.HAS_EXTENDED) {\n      this._extendedAttrs[index] = eAttrs;\n    }\n    this._data[index * CELL_SIZE + Cell.CONTENT] = codePoint | (width << Content.WIDTH_SHIFT);\n    this._data[index * CELL_SIZE + Cell.FG] = fg;\n    this._data[index * CELL_SIZE + Cell.BG] = bg;\n  }\n\n  /**\n   * Add a codepoint to a cell from input handler.\n   * During input stage combining chars with a width of 0 follow and stack\n   * onto a leading char. Since we already set the attrs\n   * by the previous `setDataFromCodePoint` call, we can omit it here.\n   */\n  public addCodepointToCell(index: number, codePoint: number): void {\n    let content = this._data[index * CELL_SIZE + Cell.CONTENT];\n    if (content & Content.IS_COMBINED_MASK) {\n      // we already have a combined string, simply add\n      this._combined[index] += stringFromCodePoint(codePoint);\n    } else {\n      if (content & Content.CODEPOINT_MASK) {\n        // normal case for combining chars:\n        //  - move current leading char + new one into combined string\n        //  - set combined flag\n        this._combined[index] = stringFromCodePoint(content & Content.CODEPOINT_MASK) + stringFromCodePoint(codePoint);\n        content &= ~Content.CODEPOINT_MASK; // set codepoint in buffer to 0\n        content |= Content.IS_COMBINED_MASK;\n      } else {\n        // should not happen - we actually have no data in the cell yet\n        // simply set the data in the cell buffer with a width of 1\n        content = codePoint | (1 << Content.WIDTH_SHIFT);\n      }\n      this._data[index * CELL_SIZE + Cell.CONTENT] = content;\n    }\n  }\n\n  public insertCells(pos: number, n: number, fillCellData: ICellData, eraseAttr?: IAttributeData): void {\n    pos %= this.length;\n\n    // handle fullwidth at pos: reset cell one to the left if pos is second cell of a wide char\n    if (pos && this.getWidth(pos - 1) === 2) {\n      this.setCellFromCodePoint(pos - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n    }\n\n    if (n < this.length - pos) {\n      const cell = new CellData();\n      for (let i = this.length - pos - n - 1; i >= 0; --i) {\n        this.setCell(pos + n + i, this.loadCell(pos + i, cell));\n      }\n      for (let i = 0; i < n; ++i) {\n        this.setCell(pos + i, fillCellData);\n      }\n    } else {\n      for (let i = pos; i < this.length; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    }\n\n    // handle fullwidth at line end: reset last cell if it is first cell of a wide char\n    if (this.getWidth(this.length - 1) === 2) {\n      this.setCellFromCodePoint(this.length - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n    }\n  }\n\n  public deleteCells(pos: number, n: number, fillCellData: ICellData, eraseAttr?: IAttributeData): void {\n    pos %= this.length;\n    if (n < this.length - pos) {\n      const cell = new CellData();\n      for (let i = 0; i < this.length - pos - n; ++i) {\n        this.setCell(pos + i, this.loadCell(pos + n + i, cell));\n      }\n      for (let i = this.length - n; i < this.length; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    } else {\n      for (let i = pos; i < this.length; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    }\n\n    // handle fullwidth at pos:\n    // - reset pos-1 if wide char\n    // - reset pos if width==0 (previous second cell of a wide char)\n    if (pos && this.getWidth(pos - 1) === 2) {\n      this.setCellFromCodePoint(pos - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n    }\n    if (this.getWidth(pos) === 0 && !this.hasContent(pos)) {\n      this.setCellFromCodePoint(pos, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n    }\n  }\n\n  public replaceCells(start: number, end: number, fillCellData: ICellData, eraseAttr?: IAttributeData, respectProtect: boolean = false): void {\n    // full branching on respectProtect==true, hopefully getting fast JIT for standard case\n    if (respectProtect) {\n      if (start && this.getWidth(start - 1) === 2 && !this.isProtected(start - 1)) {\n        this.setCellFromCodePoint(start - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n      }\n      if (end < this.length && this.getWidth(end - 1) === 2 && !this.isProtected(end)) {\n        this.setCellFromCodePoint(end, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n      }\n      while (start < end  && start < this.length) {\n        if (!this.isProtected(start)) {\n          this.setCell(start, fillCellData);\n        }\n        start++;\n      }\n      return;\n    }\n\n    // handle fullwidth at start: reset cell one to the left if start is second cell of a wide char\n    if (start && this.getWidth(start - 1) === 2) {\n      this.setCellFromCodePoint(start - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n    }\n    // handle fullwidth at last cell + 1: reset to empty cell if it is second part of a wide char\n    if (end < this.length && this.getWidth(end - 1) === 2) {\n      this.setCellFromCodePoint(end, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());\n    }\n\n    while (start < end  && start < this.length) {\n      this.setCell(start++, fillCellData);\n    }\n  }\n\n  /**\n   * Resize BufferLine to `cols` filling excess cells with `fillCellData`.\n   * The underlying array buffer will not change if there is still enough space\n   * to hold the new buffer line data.\n   * Returns a boolean indicating, whether a `cleanupMemory` call would free\n   * excess memory (true after shrinking > CLEANUP_THRESHOLD).\n   */\n  public resize(cols: number, fillCellData: ICellData): boolean {\n    if (cols === this.length) {\n      return this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;\n    }\n    const uint32Cells = cols * CELL_SIZE;\n    if (cols > this.length) {\n      if (this._data.buffer.byteLength >= uint32Cells * 4) {\n        // optimization: avoid alloc and data copy if buffer has enough room\n        this._data = new Uint32Array(this._data.buffer, 0, uint32Cells);\n      } else {\n        // slow path: new alloc and full data copy\n        const data = new Uint32Array(uint32Cells);\n        data.set(this._data);\n        this._data = data;\n      }\n      for (let i = this.length; i < cols; ++i) {\n        this.setCell(i, fillCellData);\n      }\n    } else {\n      // optimization: just shrink the view on existing buffer\n      this._data = this._data.subarray(0, uint32Cells);\n      // Remove any cut off combined data\n      const keys = Object.keys(this._combined);\n      for (let i = 0; i < keys.length; i++) {\n        const key = parseInt(keys[i], 10);\n        if (key >= cols) {\n          delete this._combined[key];\n        }\n      }\n      // remove any cut off extended attributes\n      const extKeys = Object.keys(this._extendedAttrs);\n      for (let i = 0; i < extKeys.length; i++) {\n        const key = parseInt(extKeys[i], 10);\n        if (key >= cols) {\n          delete this._extendedAttrs[key];\n        }\n      }\n    }\n    this.length = cols;\n    return uint32Cells * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;\n  }\n\n  /**\n   * Cleanup underlying array buffer.\n   * A cleanup will be triggered if the array buffer exceeds the actual used\n   * memory by a factor of CLEANUP_THRESHOLD.\n   * Returns 0 or 1 indicating whether a cleanup happened.\n   */\n  public cleanupMemory(): number {\n    if (this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength) {\n      const data = new Uint32Array(this._data.length);\n      data.set(this._data);\n      this._data = data;\n      return 1;\n    }\n    return 0;\n  }\n\n  /** fill a line with fillCharData */\n  public fill(fillCellData: ICellData, respectProtect: boolean = false): void {\n    // full branching on respectProtect==true, hopefully getting fast JIT for standard case\n    if (respectProtect) {\n      for (let i = 0; i < this.length; ++i) {\n        if (!this.isProtected(i)) {\n          this.setCell(i, fillCellData);\n        }\n      }\n      return;\n    }\n    this._combined = {};\n    this._extendedAttrs = {};\n    for (let i = 0; i < this.length; ++i) {\n      this.setCell(i, fillCellData);\n    }\n  }\n\n  /** alter to a full copy of line  */\n  public copyFrom(line: BufferLine): void {\n    if (this.length !== line.length) {\n      this._data = new Uint32Array(line._data);\n    } else {\n      // use high speed copy if lengths are equal\n      this._data.set(line._data);\n    }\n    this.length = line.length;\n    this._combined = {};\n    for (const el in line._combined) {\n      this._combined[el] = line._combined[el];\n    }\n    this._extendedAttrs = {};\n    for (const el in line._extendedAttrs) {\n      this._extendedAttrs[el] = line._extendedAttrs[el];\n    }\n    this.isWrapped = line.isWrapped;\n  }\n\n  /** create a new clone */\n  public clone(): IBufferLine {\n    const newLine = new BufferLine(0);\n    newLine._data = new Uint32Array(this._data);\n    newLine.length = this.length;\n    for (const el in this._combined) {\n      newLine._combined[el] = this._combined[el];\n    }\n    for (const el in this._extendedAttrs) {\n      newLine._extendedAttrs[el] = this._extendedAttrs[el];\n    }\n    newLine.isWrapped = this.isWrapped;\n    return newLine;\n  }\n\n  public getTrimmedLength(): number {\n    for (let i = this.length - 1; i >= 0; --i) {\n      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK)) {\n        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);\n      }\n    }\n    return 0;\n  }\n\n  public getNoBgTrimmedLength(): number {\n    for (let i = this.length - 1; i >= 0; --i) {\n      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK) || (this._data[i * CELL_SIZE + Cell.BG] & Attributes.CM_MASK)) {\n        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);\n      }\n    }\n    return 0;\n  }\n\n  public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {\n    const srcData = src._data;\n    if (applyInReverse) {\n      for (let cell = length - 1; cell >= 0; cell--) {\n        for (let i = 0; i < CELL_SIZE; i++) {\n          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n        }\n        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {\n          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];\n        }\n      }\n    } else {\n      for (let cell = 0; cell < length; cell++) {\n        for (let i = 0; i < CELL_SIZE; i++) {\n          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n        }\n        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {\n          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];\n        }\n      }\n    }\n\n    // Move any combined data over as needed, FIXME: repeat for extended attrs\n    const srcCombinedKeys = Object.keys(src._combined);\n    for (let i = 0; i < srcCombinedKeys.length; i++) {\n      const key = parseInt(srcCombinedKeys[i], 10);\n      if (key >= srcCol) {\n        this._combined[key - srcCol + destCol] = src._combined[key];\n      }\n    }\n  }\n\n  public translateToString(trimRight: boolean = false, startCol: number = 0, endCol: number = this.length): string {\n    if (trimRight) {\n      endCol = Math.min(endCol, this.getTrimmedLength());\n    }\n    let result = '';\n    while (startCol < endCol) {\n      const content = this._data[startCol * CELL_SIZE + Cell.CONTENT];\n      const cp = content & Content.CODEPOINT_MASK;\n      result += (content & Content.IS_COMBINED_MASK) ? this._combined[startCol] : (cp) ? stringFromCodePoint(cp) : WHITESPACE_CELL_CHAR;\n      startCol += (content >> Content.WIDTH_SHIFT) || 1; // always advance by 1\n    }\n    return result;\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferRange } from 'xterm';\n\nexport function getRangeLength(range: IBufferRange, bufferCols: number): number {\n  if (range.start.y > range.end.y) {\n    throw new Error(`Buffer range end (${range.end.x}, ${range.end.y}) cannot be before start (${range.start.x}, ${range.start.y})`);\n  }\n  return bufferCols * (range.end.y - range.start.y) + (range.end.x - range.start.x + 1);\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { BufferLine } from 'common/buffer/BufferLine';\nimport { CircularList } from 'common/CircularList';\nimport { IBufferLine, ICellData } from 'common/Types';\n\nexport interface INewLayoutResult {\n  layout: number[];\n  countRemoved: number;\n}\n\n/**\n * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed\n * when a wrapped line unwraps.\n * @param lines The buffer lines.\n * @param oldCols The columns before resize\n * @param newCols The columns after resize.\n * @param bufferAbsoluteY The absolute y position of the cursor (baseY + cursorY).\n * @param nullCell The cell data to use when filling in empty cells.\n */\nexport function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, oldCols: number, newCols: number, bufferAbsoluteY: number, nullCell: ICellData): number[] {\n  // Gather all BufferLines that need to be removed from the Buffer here so that they can be\n  // batched up and only committed once\n  const toRemove: number[] = [];\n\n  for (let y = 0; y < lines.length - 1; y++) {\n    // Check if this row is wrapped\n    let i = y;\n    let nextLine = lines.get(++i) as BufferLine;\n    if (!nextLine.isWrapped) {\n      continue;\n    }\n\n    // Check how many lines it's wrapped for\n    const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];\n    while (i < lines.length && nextLine.isWrapped) {\n      wrappedLines.push(nextLine);\n      nextLine = lines.get(++i) as BufferLine;\n    }\n\n    // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped\n    // lines with the cursor\n    if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {\n      y += wrappedLines.length - 1;\n      continue;\n    }\n\n    // Copy buffer data to new locations\n    let destLineIndex = 0;\n    let destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);\n    let srcLineIndex = 1;\n    let srcCol = 0;\n    while (srcLineIndex < wrappedLines.length) {\n      const srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);\n      const srcRemainingCells = srcTrimmedTineLength - srcCol;\n      const destRemainingCells = newCols - destCol;\n      const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);\n\n      wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);\n\n      destCol += cellsToCopy;\n      if (destCol === newCols) {\n        destLineIndex++;\n        destCol = 0;\n      }\n      srcCol += cellsToCopy;\n      if (srcCol === srcTrimmedTineLength) {\n        srcLineIndex++;\n        srcCol = 0;\n      }\n\n      // Make sure the last cell isn't wide, if it is copy it to the current dest\n      if (destCol === 0 && destLineIndex !== 0) {\n        if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {\n          wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);\n          // Null out the end of the last row\n          wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);\n        }\n      }\n    }\n\n    // Clear out remaining cells or fragments could remain;\n    wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);\n\n    // Work backwards and remove any rows at the end that only contain null cells\n    let countToRemove = 0;\n    for (let i = wrappedLines.length - 1; i > 0; i--) {\n      if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {\n        countToRemove++;\n      } else {\n        break;\n      }\n    }\n\n    if (countToRemove > 0) {\n      toRemove.push(y + wrappedLines.length - countToRemove); // index\n      toRemove.push(countToRemove);\n    }\n\n    y += wrappedLines.length - 1;\n  }\n  return toRemove;\n}\n\n/**\n * Creates and return the new layout for lines given an array of indexes to be removed.\n * @param lines The buffer lines.\n * @param toRemove The indexes to remove.\n */\nexport function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {\n  const layout: number[] = [];\n  // First iterate through the list and get the actual indexes to use for rows\n  let nextToRemoveIndex = 0;\n  let nextToRemoveStart = toRemove[nextToRemoveIndex];\n  let countRemovedSoFar = 0;\n  for (let i = 0; i < lines.length; i++) {\n    if (nextToRemoveStart === i) {\n      const countToRemove = toRemove[++nextToRemoveIndex];\n\n      // Tell markers that there was a deletion\n      lines.onDeleteEmitter.fire({\n        index: i - countRemovedSoFar,\n        amount: countToRemove\n      });\n\n      i += countToRemove - 1;\n      countRemovedSoFar += countToRemove;\n      nextToRemoveStart = toRemove[++nextToRemoveIndex];\n    } else {\n      layout.push(i);\n    }\n  }\n  return {\n    layout,\n    countRemoved: countRemovedSoFar\n  };\n}\n\n/**\n * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's\n * done all at once in a single iteration through the list since splice is very expensive.\n * @param lines The buffer lines.\n * @param newLayout The new layout to apply.\n */\nexport function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {\n  // Record original lines so they don't get overridden when we rearrange the list\n  const newLayoutLines: BufferLine[] = [];\n  for (let i = 0; i < newLayout.length; i++) {\n    newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);\n  }\n\n  // Rearrange the list\n  for (let i = 0; i < newLayoutLines.length; i++) {\n    lines.set(i, newLayoutLines[i]);\n  }\n  lines.length = newLayout.length;\n}\n\n/**\n * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-\n * compute the wrapping points since wide characters may need to be wrapped onto the following line.\n * This function will return an array of numbers of where each line wraps to, the resulting array\n * will only contain the values `newCols` (when the line does not end with a wide character) and\n * `newCols - 1` (when the line does end with a wide character), except for the last value which\n * will contain the remaining items to fill the line.\n *\n * Calling this with a `newCols` value of `1` will lock up.\n *\n * @param wrappedLines The wrapped lines to evaluate.\n * @param oldCols The columns before resize.\n * @param newCols The columns after resize.\n */\nexport function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {\n  const newLineLengths: number[] = [];\n  const cellsNeeded = wrappedLines.map((l, i) => getWrappedLineTrimmedLength(wrappedLines, i, oldCols)).reduce((p, c) => p + c);\n\n  // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and\n  // linesNeeded\n  let srcCol = 0;\n  let srcLine = 0;\n  let cellsAvailable = 0;\n  while (cellsAvailable < cellsNeeded) {\n    if (cellsNeeded - cellsAvailable < newCols) {\n      // Add the final line and exit the loop\n      newLineLengths.push(cellsNeeded - cellsAvailable);\n      break;\n    }\n    srcCol += newCols;\n    const oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);\n    if (srcCol > oldTrimmedLength) {\n      srcCol -= oldTrimmedLength;\n      srcLine++;\n    }\n    const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;\n    if (endsWithWide) {\n      srcCol--;\n    }\n    const lineLength = endsWithWide ? newCols - 1 : newCols;\n    newLineLengths.push(lineLength);\n    cellsAvailable += lineLength;\n  }\n\n  return newLineLengths;\n}\n\nexport function getWrappedLineTrimmedLength(lines: BufferLine[], i: number, cols: number): number {\n  // If this is the last row in the wrapped line, get the actual trimmed length\n  if (i === lines.length - 1) {\n    return lines[i].getTrimmedLength();\n  }\n  // Detect whether the following line starts with a wide character and the end of the current line\n  // is null, if so then we can be pretty sure the null character should be excluded from the line\n  // length]\n  const endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;\n  const followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;\n  if (endsInNull && followingLineStartsWithWide) {\n    return cols - 1;\n  }\n  return cols;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IAttributeData } from 'common/Types';\nimport { Buffer } from 'common/buffer/Buffer';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet extends Disposable implements IBufferSet {\n  private _normal!: Buffer;\n  private _alt!: Buffer;\n  private _activeBuffer!: Buffer;\n\n  private readonly _onBufferActivate = this.register(new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>());\n  public readonly onBufferActivate = this._onBufferActivate.event;\n\n  /**\n   * Create a new BufferSet for the given terminal.\n   */\n  constructor(\n    private readonly _optionsService: IOptionsService,\n    private readonly _bufferService: IBufferService\n  ) {\n    super();\n    this.reset();\n    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.resize(this._bufferService.cols, this._bufferService.rows)));\n    this.register(this._optionsService.onSpecificOptionChange('tabStopWidth', () => this.setupTabStops()));\n  }\n\n  public reset(): void {\n    this._normal = new Buffer(true, this._optionsService, this._bufferService);\n    this._normal.fillViewportRows();\n\n    // The alt buffer should never have scrollback.\n    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer\n    this._alt = new Buffer(false, this._optionsService, this._bufferService);\n    this._activeBuffer = this._normal;\n    this._onBufferActivate.fire({\n      activeBuffer: this._normal,\n      inactiveBuffer: this._alt\n    });\n\n    this.setupTabStops();\n  }\n\n  /**\n   * Returns the alt Buffer of the BufferSet\n   */\n  public get alt(): Buffer {\n    return this._alt;\n  }\n\n  /**\n   * Returns the currently active Buffer of the BufferSet\n   */\n  public get active(): Buffer {\n    return this._activeBuffer;\n  }\n\n  /**\n   * Returns the normal Buffer of the BufferSet\n   */\n  public get normal(): Buffer {\n    return this._normal;\n  }\n\n  /**\n   * Sets the normal Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateNormalBuffer(): void {\n    if (this._activeBuffer === this._normal) {\n      return;\n    }\n    this._normal.x = this._alt.x;\n    this._normal.y = this._alt.y;\n    // The alt buffer should always be cleared when we switch to the normal\n    // buffer. This frees up memory since the alt buffer should always be new\n    // when activated.\n    this._alt.clearAllMarkers();\n    this._alt.clear();\n    this._activeBuffer = this._normal;\n    this._onBufferActivate.fire({\n      activeBuffer: this._normal,\n      inactiveBuffer: this._alt\n    });\n  }\n\n  /**\n   * Sets the alt Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateAltBuffer(fillAttr?: IAttributeData): void {\n    if (this._activeBuffer === this._alt) {\n      return;\n    }\n    // Since the alt buffer is always cleared when the normal buffer is\n    // activated, we want to fill it when switching to it.\n    this._alt.fillViewportRows(fillAttr);\n    this._alt.x = this._normal.x;\n    this._alt.y = this._normal.y;\n    this._activeBuffer = this._alt;\n    this._onBufferActivate.fire({\n      activeBuffer: this._alt,\n      inactiveBuffer: this._normal\n    });\n  }\n\n  /**\n   * Resizes both normal and alt buffers, adjusting their data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    this._normal.resize(newCols, newRows);\n    this._alt.resize(newCols, newRows);\n    this.setupTabStops(newCols);\n  }\n\n  /**\n   * Setup the tab stops.\n   * @param i The index to start setting up tab stops from.\n   */\n  public setupTabStops(i?: number): void {\n    this._normal.setupTabStops(i);\n    this._alt.setupTabStops(i);\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CharData, ICellData, IExtendedAttrs } from 'common/Types';\nimport { stringFromCodePoint } from 'common/input/TextDecoder';\nimport { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_ATTR_INDEX, Content } from 'common/buffer/Constants';\nimport { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';\n\n/**\n * CellData - represents a single Cell in the terminal buffer.\n */\nexport class CellData extends AttributeData implements ICellData {\n  /** Helper to create CellData from CharData. */\n  public static fromCharData(value: CharData): CellData {\n    const obj = new CellData();\n    obj.setFromCharData(value);\n    return obj;\n  }\n  /** Primitives from terminal buffer. */\n  public content = 0;\n  public fg = 0;\n  public bg = 0;\n  public extended: IExtendedAttrs = new ExtendedAttrs();\n  public combinedData = '';\n  /** Whether cell contains a combined string. */\n  public isCombined(): number {\n    return this.content & Content.IS_COMBINED_MASK;\n  }\n  /** Width of the cell. */\n  public getWidth(): number {\n    return this.content >> Content.WIDTH_SHIFT;\n  }\n  /** JS string of the content. */\n  public getChars(): string {\n    if (this.content & Content.IS_COMBINED_MASK) {\n      return this.combinedData;\n    }\n    if (this.content & Content.CODEPOINT_MASK) {\n      return stringFromCodePoint(this.content & Content.CODEPOINT_MASK);\n    }\n    return '';\n  }\n  /**\n   * Codepoint of cell\n   * Note this returns the UTF32 codepoint of single chars,\n   * if content is a combined string it returns the codepoint\n   * of the last char in string to be in line with code in CharData.\n   */\n  public getCode(): number {\n    return (this.isCombined())\n      ? this.combinedData.charCodeAt(this.combinedData.length - 1)\n      : this.content & Content.CODEPOINT_MASK;\n  }\n  /** Set data from CharData */\n  public setFromCharData(value: CharData): void {\n    this.fg = value[CHAR_DATA_ATTR_INDEX];\n    this.bg = 0;\n    let combined = false;\n    // surrogates and combined strings need special treatment\n    if (value[CHAR_DATA_CHAR_INDEX].length > 2) {\n      combined = true;\n    }\n    else if (value[CHAR_DATA_CHAR_INDEX].length === 2) {\n      const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0);\n      // if the 2-char string is a surrogate create single codepoint\n      // everything else is combined\n      if (0xD800 <= code && code <= 0xDBFF) {\n        const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1);\n        if (0xDC00 <= second && second <= 0xDFFF) {\n          this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n        }\n        else {\n          combined = true;\n        }\n      }\n      else {\n        combined = true;\n      }\n    }\n    else {\n      this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    }\n    if (combined) {\n      this.combinedData = value[CHAR_DATA_CHAR_INDEX];\n      this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n    }\n  }\n  /** Get data as CharData. */\n  public getAsCharData(): CharData {\n    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport const DEFAULT_COLOR = 0;\nexport const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);\nexport const DEFAULT_EXT = 0;\n\nexport const CHAR_DATA_ATTR_INDEX = 0;\nexport const CHAR_DATA_CHAR_INDEX = 1;\nexport const CHAR_DATA_WIDTH_INDEX = 2;\nexport const CHAR_DATA_CODE_INDEX = 3;\n\n/**\n * Null cell - a real empty cell (containing nothing).\n * Note that code should always be 0 for a null cell as\n * several test condition of the buffer line rely on this.\n */\nexport const NULL_CELL_CHAR = '';\nexport const NULL_CELL_WIDTH = 1;\nexport const NULL_CELL_CODE = 0;\n\n/**\n * Whitespace cell.\n * This is meant as a replacement for empty cells when needed\n * during rendering lines to preserve correct aligment.\n */\nexport const WHITESPACE_CELL_CHAR = ' ';\nexport const WHITESPACE_CELL_WIDTH = 1;\nexport const WHITESPACE_CELL_CODE = 32;\n\n/**\n * Bitmasks for accessing data in `content`.\n */\nexport const enum Content {\n  /**\n   * bit 1..21    codepoint, max allowed in UTF32 is 0x10FFFF (21 bits taken)\n   *              read:   `codepoint = content & Content.codepointMask;`\n   *              write:  `content |= codepoint & Content.codepointMask;`\n   *                      shortcut if precondition `codepoint <= 0x10FFFF` is met:\n   *                      `content |= codepoint;`\n   */\n  CODEPOINT_MASK = 0x1FFFFF,\n\n  /**\n   * bit 22       flag indication whether a cell contains combined content\n   *              read:   `isCombined = content & Content.isCombined;`\n   *              set:    `content |= Content.isCombined;`\n   *              clear:  `content &= ~Content.isCombined;`\n   */\n  IS_COMBINED_MASK = 0x200000,  // 1 << 21\n\n  /**\n   * bit 1..22    mask to check whether a cell contains any string data\n   *              we need to check for codepoint and isCombined bits to see\n   *              whether a cell contains anything\n   *              read:   `isEmpty = !(content & Content.hasContent)`\n   */\n  HAS_CONTENT_MASK = 0x3FFFFF,\n\n  /**\n   * bit 23..24   wcwidth value of cell, takes 2 bits (ranges from 0..2)\n   *              read:   `width = (content & Content.widthMask) >> Content.widthShift;`\n   *                      `hasWidth = content & Content.widthMask;`\n   *                      as long as wcwidth is highest value in `content`:\n   *                      `width = content >> Content.widthShift;`\n   *              write:  `content |= (width << Content.widthShift) & Content.widthMask;`\n   *                      shortcut if precondition `0 <= width <= 3` is met:\n   *                      `content |= width << Content.widthShift;`\n   */\n  WIDTH_MASK = 0xC00000,   // 3 << 22\n  WIDTH_SHIFT = 22\n}\n\nexport const enum Attributes {\n  /**\n   * bit 1..8     blue in RGB, color in P256 and P16\n   */\n  BLUE_MASK = 0xFF,\n  BLUE_SHIFT = 0,\n  PCOLOR_MASK = 0xFF,\n  PCOLOR_SHIFT = 0,\n\n  /**\n   * bit 9..16    green in RGB\n   */\n  GREEN_MASK = 0xFF00,\n  GREEN_SHIFT = 8,\n\n  /**\n   * bit 17..24   red in RGB\n   */\n  RED_MASK = 0xFF0000,\n  RED_SHIFT = 16,\n\n  /**\n   * bit 25..26   color mode: DEFAULT (0) | P16 (1) | P256 (2) | RGB (3)\n   */\n  CM_MASK = 0x3000000,\n  CM_DEFAULT = 0,\n  CM_P16 = 0x1000000,\n  CM_P256 = 0x2000000,\n  CM_RGB = 0x3000000,\n\n  /**\n   * bit 1..24  RGB room\n   */\n  RGB_MASK = 0xFFFFFF\n}\n\nexport const enum FgFlags {\n  /**\n   * bit 27..32\n   */\n  INVERSE = 0x4000000,\n  BOLD = 0x8000000,\n  UNDERLINE = 0x10000000,\n  BLINK = 0x20000000,\n  INVISIBLE = 0x40000000,\n  STRIKETHROUGH = 0x80000000,\n}\n\nexport const enum BgFlags {\n  /**\n   * bit 27..32 (upper 2 unused)\n   */\n  ITALIC = 0x4000000,\n  DIM = 0x8000000,\n  HAS_EXTENDED = 0x10000000,\n  PROTECTED = 0x20000000,\n  OVERLINE = 0x40000000\n}\n\nexport const enum ExtFlags {\n  /**\n   * bit 27..32 (upper 3 unused)\n   */\n  UNDERLINE_STYLE = 0x1C000000\n}\n\nexport const enum UnderlineStyle {\n  NONE = 0,\n  SINGLE = 1,\n  DOUBLE = 2,\n  CURLY = 3,\n  DOTTED = 4,\n  DASHED = 5\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { disposeArray } from 'common/Lifecycle';\nimport { IDisposable, IMarker } from 'common/Types';\n\nexport class Marker implements IMarker {\n  private static _nextId = 1;\n\n  public isDisposed: boolean = false;\n  private readonly _disposables: IDisposable[] = [];\n\n  private readonly _id: number = Marker._nextId++;\n  public get id(): number { return this._id; }\n\n  private readonly _onDispose = this.register(new EventEmitter<void>());\n  public readonly onDispose = this._onDispose.event;\n\n  constructor(\n    public line: number\n  ) {\n  }\n\n  public dispose(): void {\n    if (this.isDisposed) {\n      return;\n    }\n    this.isDisposed = true;\n    this.line = -1;\n    // Emit before super.dispose such that dispose listeners get a change to react\n    this._onDispose.fire();\n    disposeArray(this._disposables);\n    this._disposables.length = 0;\n  }\n\n  public register<T extends IDisposable>(disposable: T): T {\n    this._disposables.push(disposable);\n    return disposable;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharset } from 'common/Types';\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: { [key: string]: ICharset | undefined } = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET: ICharset | undefined = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n  '`': '\\u25c6', // '◆'\n  'a': '\\u2592', // '▒'\n  'b': '\\u2409', // '␉' (HT)\n  'c': '\\u240c', // '␌' (FF)\n  'd': '\\u240d', // '␍' (CR)\n  'e': '\\u240a', // '␊' (LF)\n  'f': '\\u00b0', // '°'\n  'g': '\\u00b1', // '±'\n  'h': '\\u2424', // '␤' (NL)\n  'i': '\\u240b', // '␋' (VT)\n  'j': '\\u2518', // '┘'\n  'k': '\\u2510', // '┐'\n  'l': '\\u250c', // '┌'\n  'm': '\\u2514', // '└'\n  'n': '\\u253c', // '┼'\n  'o': '\\u23ba', // '⎺'\n  'p': '\\u23bb', // '⎻'\n  'q': '\\u2500', // '─'\n  'r': '\\u23bc', // '⎼'\n  's': '\\u23bd', // '⎽'\n  't': '\\u251c', // '├'\n  'u': '\\u2524', // '┤'\n  'v': '\\u2534', // '┴'\n  'w': '\\u252c', // '┬'\n  'x': '\\u2502', // '│'\n  'y': '\\u2264', // '≤'\n  'z': '\\u2265', // '≥'\n  '{': '\\u03c0', // 'π'\n  '|': '\\u2260', // '≠'\n  '}': '\\u00a3', // '£'\n  '~': '\\u00b7'  // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n  '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = undefined;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n  '#': '£',\n  '@': '¾',\n  '[': 'ij',\n  '\\\\': '½',\n  ']': '|',\n  '{': '¨',\n  '|': 'f',\n  '}': '¼',\n  '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n  '#': '£',\n  '@': 'à',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': '§',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n  '@': 'à',\n  '[': 'â',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  '`': 'ô',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n  '@': '§',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Ü',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n  '#': '£',\n  '@': '§',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': 'é',\n  '`': 'ù',\n  '{': 'à',\n  '|': 'ò',\n  '}': 'è',\n  '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n  '@': 'Ä',\n  '[': 'Æ',\n  '\\\\': 'Ø',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'ä',\n  '{': 'æ',\n  '|': 'ø',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n  '#': '£',\n  '@': '§',\n  '[': '¡',\n  '\\\\': 'Ñ',\n  ']': '¿',\n  '{': '°',\n  '|': 'ñ',\n  '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n  '@': 'É',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n  '#': 'ù',\n  '@': 'à',\n  '[': 'é',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  '_': 'è',\n  '`': 'ô',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'û'\n};\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n  /** Null (Caret = ^@, C = \\0) */\n  export const NUL = '\\x00';\n  /** Start of Heading (Caret = ^A) */\n  export const SOH = '\\x01';\n  /** Start of Text (Caret = ^B) */\n  export const STX = '\\x02';\n  /** End of Text (Caret = ^C) */\n  export const ETX = '\\x03';\n  /** End of Transmission (Caret = ^D) */\n  export const EOT = '\\x04';\n  /** Enquiry (Caret = ^E) */\n  export const ENQ = '\\x05';\n  /** Acknowledge (Caret = ^F) */\n  export const ACK = '\\x06';\n  /** Bell (Caret = ^G, C = \\a) */\n  export const BEL = '\\x07';\n  /** Backspace (Caret = ^H, C = \\b) */\n  export const BS  = '\\x08';\n  /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n  export const HT  = '\\x09';\n  /** Line Feed (Caret = ^J, C = \\n) */\n  export const LF  = '\\x0a';\n  /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n  export const VT  = '\\x0b';\n  /** Form Feed (Caret = ^L, C = \\f) */\n  export const FF  = '\\x0c';\n  /** Carriage Return (Caret = ^M, C = \\r) */\n  export const CR  = '\\x0d';\n  /** Shift Out (Caret = ^N) */\n  export const SO  = '\\x0e';\n  /** Shift In (Caret = ^O) */\n  export const SI  = '\\x0f';\n  /** Data Link Escape (Caret = ^P) */\n  export const DLE = '\\x10';\n  /** Device Control One (XON) (Caret = ^Q) */\n  export const DC1 = '\\x11';\n  /** Device Control Two (Caret = ^R) */\n  export const DC2 = '\\x12';\n  /** Device Control Three (XOFF) (Caret = ^S) */\n  export const DC3 = '\\x13';\n  /** Device Control Four (Caret = ^T) */\n  export const DC4 = '\\x14';\n  /** Negative Acknowledge (Caret = ^U) */\n  export const NAK = '\\x15';\n  /** Synchronous Idle (Caret = ^V) */\n  export const SYN = '\\x16';\n  /** End of Transmission Block (Caret = ^W) */\n  export const ETB = '\\x17';\n  /** Cancel (Caret = ^X) */\n  export const CAN = '\\x18';\n  /** End of Medium (Caret = ^Y) */\n  export const EM  = '\\x19';\n  /** Substitute (Caret = ^Z) */\n  export const SUB = '\\x1a';\n  /** Escape (Caret = ^[, C = \\e) */\n  export const ESC = '\\x1b';\n  /** File Separator (Caret = ^\\) */\n  export const FS  = '\\x1c';\n  /** Group Separator (Caret = ^]) */\n  export const GS  = '\\x1d';\n  /** Record Separator (Caret = ^^) */\n  export const RS  = '\\x1e';\n  /** Unit Separator (Caret = ^_) */\n  export const US  = '\\x1f';\n  /** Space */\n  export const SP  = '\\x20';\n  /** Delete (Caret = ^?) */\n  export const DEL = '\\x7f';\n}\n\n/**\n * C1 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C1 {\n  /** padding character */\n  export const PAD = '\\x80';\n  /** High Octet Preset */\n  export const HOP = '\\x81';\n  /** Break Permitted Here */\n  export const BPH = '\\x82';\n  /** No Break Here */\n  export const NBH = '\\x83';\n  /** Index */\n  export const IND = '\\x84';\n  /** Next Line */\n  export const NEL = '\\x85';\n  /** Start of Selected Area */\n  export const SSA = '\\x86';\n  /** End of Selected Area */\n  export const ESA = '\\x87';\n  /** Horizontal Tabulation Set */\n  export const HTS = '\\x88';\n  /** Horizontal Tabulation With Justification */\n  export const HTJ = '\\x89';\n  /** Vertical Tabulation Set */\n  export const VTS = '\\x8a';\n  /** Partial Line Down */\n  export const PLD = '\\x8b';\n  /** Partial Line Up */\n  export const PLU = '\\x8c';\n  /** Reverse Index */\n  export const RI = '\\x8d';\n  /** Single-Shift 2 */\n  export const SS2 = '\\x8e';\n  /** Single-Shift 3 */\n  export const SS3 = '\\x8f';\n  /** Device Control String */\n  export const DCS = '\\x90';\n  /** Private Use 1 */\n  export const PU1 = '\\x91';\n  /** Private Use 2 */\n  export const PU2 = '\\x92';\n  /** Set Transmit State */\n  export const STS = '\\x93';\n  /** Destructive backspace, intended to eliminate ambiguity about meaning of BS. */\n  export const CCH = '\\x94';\n  /** Message Waiting */\n  export const MW = '\\x95';\n  /** Start of Protected Area */\n  export const SPA = '\\x96';\n  /** End of Protected Area */\n  export const EPA = '\\x97';\n  /** Start of String */\n  export const SOS = '\\x98';\n  /** Single Graphic Character Introducer */\n  export const SGCI = '\\x99';\n  /** Single Character Introducer */\n  export const SCI = '\\x9a';\n  /** Control Sequence Introducer */\n  export const CSI = '\\x9b';\n  /** String Terminator */\n  export const ST = '\\x9c';\n  /** Operating System Command */\n  export const OSC = '\\x9d';\n  /** Privacy Message */\n  export const PM = '\\x9e';\n  /** Application Program Command */\n  export const APC = '\\x9f';\n}\nexport namespace C1_ESCAPED {\n  export const ST = `${C0.ESC}\\\\`;\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IKeyboardEvent, IKeyboardResult, KeyboardResultType } from 'common/Types';\nimport { C0 } from 'common/data/EscapeSequences';\n\n// reg + shift key mappings for digits and special chars\nconst KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {\n  // digits 0-9\n  48: ['0', ')'],\n  49: ['1', '!'],\n  50: ['2', '@'],\n  51: ['3', '#'],\n  52: ['4', '$'],\n  53: ['5', '%'],\n  54: ['6', '^'],\n  55: ['7', '&'],\n  56: ['8', '*'],\n  57: ['9', '('],\n\n  // special chars\n  186: [';', ':'],\n  187: ['=', '+'],\n  188: [',', '<'],\n  189: ['-', '_'],\n  190: ['.', '>'],\n  191: ['/', '?'],\n  192: ['`', '~'],\n  219: ['[', '{'],\n  220: ['\\\\', '|'],\n  221: [']', '}'],\n  222: ['\\'', '\"']\n};\n\nexport function evaluateKeyboardEvent(\n  ev: IKeyboardEvent,\n  applicationCursorMode: boolean,\n  isMac: boolean,\n  macOptionIsMeta: boolean\n): IKeyboardResult {\n  const result: IKeyboardResult = {\n    type: KeyboardResultType.SEND_KEY,\n    // Whether to cancel event propagation (NOTE: this may not be needed since the event is\n    // canceled at the end of keyDown\n    cancel: false,\n    // The new key even to emit\n    key: undefined\n  };\n  const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);\n  switch (ev.keyCode) {\n    case 0:\n      if (ev.key === 'UIKeyInputUpArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OA';\n        } else {\n          result.key = C0.ESC + '[A';\n        }\n      }\n      else if (ev.key === 'UIKeyInputLeftArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OD';\n        } else {\n          result.key = C0.ESC + '[D';\n        }\n      }\n      else if (ev.key === 'UIKeyInputRightArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OC';\n        } else {\n          result.key = C0.ESC + '[C';\n        }\n      }\n      else if (ev.key === 'UIKeyInputDownArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OB';\n        } else {\n          result.key = C0.ESC + '[B';\n        }\n      }\n      break;\n    case 8:\n      // backspace\n      if (ev.altKey) {\n        result.key = C0.ESC + C0.DEL; // \\e ^?\n        break;\n      }\n      result.key = C0.DEL; // ^?\n      break;\n    case 9:\n      // tab\n      if (ev.shiftKey) {\n        result.key = C0.ESC + '[Z';\n        break;\n      }\n      result.key = C0.HT;\n      result.cancel = true;\n      break;\n    case 13:\n      // return/enter\n      result.key = ev.altKey ? C0.ESC + C0.CR : C0.CR;\n      result.cancel = true;\n      break;\n    case 27:\n      // escape\n      result.key = C0.ESC;\n      if (ev.altKey) {\n        result.key = C0.ESC + C0.ESC;\n      }\n      result.cancel = true;\n      break;\n    case 37:\n      // left-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key === C0.ESC + '[1;3D') {\n          result.key = C0.ESC + (isMac ? 'b' : '[1;5D');\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OD';\n      } else {\n        result.key = C0.ESC + '[D';\n      }\n      break;\n    case 39:\n      // right-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key === C0.ESC + '[1;3C') {\n          result.key = C0.ESC + (isMac ? 'f' : '[1;5C');\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OC';\n      } else {\n        result.key = C0.ESC + '[C';\n      }\n      break;\n    case 38:\n      // up-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (!isMac && result.key === C0.ESC + '[1;3A') {\n          result.key = C0.ESC + '[1;5A';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OA';\n      } else {\n        result.key = C0.ESC + '[A';\n      }\n      break;\n    case 40:\n      // down-arrow\n      if (ev.metaKey) {\n        break;\n      }\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (!isMac && result.key === C0.ESC + '[1;3B') {\n          result.key = C0.ESC + '[1;5B';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OB';\n      } else {\n        result.key = C0.ESC + '[B';\n      }\n      break;\n    case 45:\n      // insert\n      if (!ev.shiftKey && !ev.ctrlKey) {\n        // <Ctrl> or <Shift> + <Insert> are used to\n        // copy-paste on some systems.\n        result.key = C0.ESC + '[2~';\n      }\n      break;\n    case 46:\n      // delete\n      if (modifiers) {\n        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[3~';\n      }\n      break;\n    case 36:\n      // home\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OH';\n      } else {\n        result.key = C0.ESC + '[H';\n      }\n      break;\n    case 35:\n      // end\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OF';\n      } else {\n        result.key = C0.ESC + '[F';\n      }\n      break;\n    case 33:\n      // page up\n      if (ev.shiftKey) {\n        result.type = KeyboardResultType.PAGE_UP;\n      } else if (ev.ctrlKey) {\n        result.key = C0.ESC + '[5;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[5~';\n      }\n      break;\n    case 34:\n      // page down\n      if (ev.shiftKey) {\n        result.type = KeyboardResultType.PAGE_DOWN;\n      } else if (ev.ctrlKey) {\n        result.key = C0.ESC + '[6;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[6~';\n      }\n      break;\n    case 112:\n      // F1-F12\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n      } else {\n        result.key = C0.ESC + 'OP';\n      }\n      break;\n    case 113:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n      } else {\n        result.key = C0.ESC + 'OQ';\n      }\n      break;\n    case 114:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n      } else {\n        result.key = C0.ESC + 'OR';\n      }\n      break;\n    case 115:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n      } else {\n        result.key = C0.ESC + 'OS';\n      }\n      break;\n    case 116:\n      if (modifiers) {\n        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[15~';\n      }\n      break;\n    case 117:\n      if (modifiers) {\n        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[17~';\n      }\n      break;\n    case 118:\n      if (modifiers) {\n        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[18~';\n      }\n      break;\n    case 119:\n      if (modifiers) {\n        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[19~';\n      }\n      break;\n    case 120:\n      if (modifiers) {\n        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[20~';\n      }\n      break;\n    case 121:\n      if (modifiers) {\n        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[21~';\n      }\n      break;\n    case 122:\n      if (modifiers) {\n        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[23~';\n      }\n      break;\n    case 123:\n      if (modifiers) {\n        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[24~';\n      }\n      break;\n    default:\n      // a-z and space\n      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = String.fromCharCode(ev.keyCode - 64);\n        } else if (ev.keyCode === 32) {\n          result.key = C0.NUL;\n        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n          // escape, file sep, group sep, record sep, unit sep\n          result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n        } else if (ev.keyCode === 56) {\n          result.key = C0.DEL;\n        } else if (ev.keyCode === 219) {\n          result.key = C0.ESC;\n        } else if (ev.keyCode === 220) {\n          result.key = C0.FS;\n        } else if (ev.keyCode === 221) {\n          result.key = C0.GS;\n        }\n      } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {\n        // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.\n        const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];\n        const key = keyMapping?.[!ev.shiftKey ? 0 : 1];\n        if (key) {\n          result.key = C0.ESC + key;\n        } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;\n          let keyString = String.fromCharCode(keyCode);\n          if (ev.shiftKey) {\n            keyString = keyString.toUpperCase();\n          }\n          result.key = C0.ESC + keyString;\n        } else if (ev.keyCode === 32) {\n          result.key = C0.ESC + (ev.ctrlKey ? C0.NUL : ' ');\n        } else if (ev.key === 'Dead' && ev.code.startsWith('Key')) {\n          // Reference: https://github.com/xtermjs/xterm.js/issues/3725\n          // Alt will produce a \"dead key\" (initate composition) with some\n          // of the letters in US layout (e.g. N/E/U).\n          // It's safe to match against Key* since no other `code` values begin with \"Key\".\n          // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code/code_values#code_values_on_mac\n          let keyString = ev.code.slice(3, 4);\n          if (!ev.shiftKey) {\n            keyString = keyString.toLowerCase();\n          }\n          result.key = C0.ESC + keyString;\n          result.cancel = true;\n        }\n      } else if (isMac && !ev.altKey && !ev.ctrlKey && !ev.shiftKey && ev.metaKey) {\n        if (ev.keyCode === 65) { // cmd + a\n          result.type = KeyboardResultType.SELECT_ALL;\n        }\n      } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {\n        // Include only keys that that result in a _single_ character; don't include num lock,\n        // volume up, etc.\n        result.key = ev.key;\n      } else if (ev.key && ev.ctrlKey) {\n        if (ev.key === '_') { // ^_\n          result.key = C0.US;\n        }\n        if (ev.key === '@') { // ^ + shift + 2 = ^ + @\n          result.key = C0.NUL;\n        }\n      }\n      break;\n  }\n\n  return result;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * Polyfill - Convert UTF32 codepoint into JS string.\n * Note: The built-in String.fromCodePoint happens to be much slower\n *       due to additional sanity checks. We can avoid them since\n *       we always operate on legal UTF32 (granted by the input decoders)\n *       and use this faster version instead.\n */\nexport function stringFromCodePoint(codePoint: number): string {\n  if (codePoint > 0xFFFF) {\n    codePoint -= 0x10000;\n    return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);\n  }\n  return String.fromCharCode(codePoint);\n}\n\n/**\n * Convert UTF32 char codes into JS string.\n * Basically the same as `stringFromCodePoint` but for multiple codepoints\n * in a loop (which is a lot faster).\n */\nexport function utf32ToString(data: Uint32Array, start: number = 0, end: number = data.length): string {\n  let result = '';\n  for (let i = start; i < end; ++i) {\n    let codepoint = data[i];\n    if (codepoint > 0xFFFF) {\n      // JS strings are encoded as UTF16, thus a non BMP codepoint gets converted into a surrogate\n      // pair conversion rules:\n      //  - subtract 0x10000 from code point, leaving a 20 bit number\n      //  - add high 10 bits to 0xD800  --> first surrogate\n      //  - add low 10 bits to 0xDC00   --> second surrogate\n      codepoint -= 0x10000;\n      result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);\n    } else {\n      result += String.fromCharCode(codepoint);\n    }\n  }\n  return result;\n}\n\n/**\n * StringToUtf32 - decodes UTF16 sequences into UTF32 codepoints.\n * To keep the decoder in line with JS strings it handles single surrogates as UCS2.\n */\nexport class StringToUtf32 {\n  private _interim: number = 0;\n\n  /**\n   * Clears interim and resets decoder to clean state.\n   */\n  public clear(): void {\n    this._interim = 0;\n  }\n\n  /**\n   * Decode JS string to UTF32 codepoints.\n   * The methods assumes stream input and will store partly transmitted\n   * surrogate pairs and decode them with the next data chunk.\n   * Note: The method does no bound checks for target, therefore make sure\n   * the provided input data does not exceed the size of `target`.\n   * Returns the number of written codepoints in `target`.\n   */\n  public decode(input: string, target: Uint32Array): number {\n    const length = input.length;\n\n    if (!length) {\n      return 0;\n    }\n\n    let size = 0;\n    let startPos = 0;\n\n    // handle leftover surrogate high\n    if (this._interim) {\n      const second = input.charCodeAt(startPos++);\n      if (0xDC00 <= second && second <= 0xDFFF) {\n        target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n      } else {\n        // illegal codepoint (USC2 handling)\n        target[size++] = this._interim;\n        target[size++] = second;\n      }\n      this._interim = 0;\n    }\n\n    for (let i = startPos; i < length; ++i) {\n      const code = input.charCodeAt(i);\n      // surrogate pair first\n      if (0xD800 <= code && code <= 0xDBFF) {\n        if (++i >= length) {\n          this._interim = code;\n          return size;\n        }\n        const second = input.charCodeAt(i);\n        if (0xDC00 <= second && second <= 0xDFFF) {\n          target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n        } else {\n          // illegal codepoint (USC2 handling)\n          target[size++] = code;\n          target[size++] = second;\n        }\n        continue;\n      }\n      if (code === 0xFEFF) {\n        // BOM\n        continue;\n      }\n      target[size++] = code;\n    }\n    return size;\n  }\n}\n\n/**\n * Utf8Decoder - decodes UTF8 byte sequences into UTF32 codepoints.\n */\nexport class Utf8ToUtf32 {\n  public interim: Uint8Array = new Uint8Array(3);\n\n  /**\n   * Clears interim bytes and resets decoder to clean state.\n   */\n  public clear(): void {\n    this.interim.fill(0);\n  }\n\n  /**\n   * Decodes UTF8 byte sequences in `input` to UTF32 codepoints in `target`.\n   * The methods assumes stream input and will store partly transmitted bytes\n   * and decode them with the next data chunk.\n   * Note: The method does no bound checks for target, therefore make sure\n   * the provided data chunk does not exceed the size of `target`.\n   * Returns the number of written codepoints in `target`.\n   */\n  public decode(input: Uint8Array, target: Uint32Array): number {\n    const length = input.length;\n\n    if (!length) {\n      return 0;\n    }\n\n    let size = 0;\n    let byte1: number;\n    let byte2: number;\n    let byte3: number;\n    let byte4: number;\n    let codepoint = 0;\n    let startPos = 0;\n\n    // handle leftover bytes\n    if (this.interim[0]) {\n      let discardInterim = false;\n      let cp = this.interim[0];\n      cp &= ((((cp & 0xE0) === 0xC0)) ? 0x1F : (((cp & 0xF0) === 0xE0)) ? 0x0F : 0x07);\n      let pos = 0;\n      let tmp: number;\n      while ((tmp = this.interim[++pos] & 0x3F) && pos < 4) {\n        cp <<= 6;\n        cp |= tmp;\n      }\n      // missing bytes - read ahead from input\n      const type = (((this.interim[0] & 0xE0) === 0xC0)) ? 2 : (((this.interim[0] & 0xF0) === 0xE0)) ? 3 : 4;\n      const missing = type - pos;\n      while (startPos < missing) {\n        if (startPos >= length) {\n          return 0;\n        }\n        tmp = input[startPos++];\n        if ((tmp & 0xC0) !== 0x80) {\n          // wrong continuation, discard interim bytes completely\n          startPos--;\n          discardInterim = true;\n          break;\n        } else {\n          // need to save so we can continue short inputs in next call\n          this.interim[pos++] = tmp;\n          cp <<= 6;\n          cp |= tmp & 0x3F;\n        }\n      }\n      if (!discardInterim) {\n        // final test is type dependent\n        if (type === 2) {\n          if (cp < 0x80) {\n            // wrong starter byte\n            startPos--;\n          } else {\n            target[size++] = cp;\n          }\n        } else if (type === 3) {\n          if (cp < 0x0800 || (cp >= 0xD800 && cp <= 0xDFFF) || cp === 0xFEFF) {\n            // illegal codepoint or BOM\n          } else {\n            target[size++] = cp;\n          }\n        } else {\n          if (cp < 0x010000 || cp > 0x10FFFF) {\n            // illegal codepoint\n          } else {\n            target[size++] = cp;\n          }\n        }\n      }\n      this.interim.fill(0);\n    }\n\n    // loop through input\n    const fourStop = length - 4;\n    let i = startPos;\n    while (i < length) {\n      /**\n       * ASCII shortcut with loop unrolled to 4 consecutive ASCII chars.\n       * This is a compromise between speed gain for ASCII\n       * and penalty for non ASCII:\n       * For best ASCII performance the char should be stored directly into target,\n       * but even a single attempt to write to target and compare afterwards\n       * penalizes non ASCII really bad (-50%), thus we load the char into byteX first,\n       * which reduces ASCII performance by ~15%.\n       * This trial for ASCII reduces non ASCII performance by ~10% which seems acceptible\n       * compared to the gains.\n       * Note that this optimization only takes place for 4 consecutive ASCII chars,\n       * for any shorter it bails out. Worst case - all 4 bytes being read but\n       * thrown away due to the last being a non ASCII char (-10% performance).\n       */\n      while (i < fourStop\n        && !((byte1 = input[i]) & 0x80)\n        && !((byte2 = input[i + 1]) & 0x80)\n        && !((byte3 = input[i + 2]) & 0x80)\n        && !((byte4 = input[i + 3]) & 0x80))\n      {\n        target[size++] = byte1;\n        target[size++] = byte2;\n        target[size++] = byte3;\n        target[size++] = byte4;\n        i += 4;\n      }\n\n      // reread byte1\n      byte1 = input[i++];\n\n      // 1 byte\n      if (byte1 < 0x80) {\n        target[size++] = byte1;\n\n        // 2 bytes\n      } else if ((byte1 & 0xE0) === 0xC0) {\n        if (i >= length) {\n          this.interim[0] = byte1;\n          return size;\n        }\n        byte2 = input[i++];\n        if ((byte2 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        codepoint = (byte1 & 0x1F) << 6 | (byte2 & 0x3F);\n        if (codepoint < 0x80) {\n          // wrong starter byte\n          i--;\n          continue;\n        }\n        target[size++] = codepoint;\n\n        // 3 bytes\n      } else if ((byte1 & 0xF0) === 0xE0) {\n        if (i >= length) {\n          this.interim[0] = byte1;\n          return size;\n        }\n        byte2 = input[i++];\n        if ((byte2 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        if (i >= length) {\n          this.interim[0] = byte1;\n          this.interim[1] = byte2;\n          return size;\n        }\n        byte3 = input[i++];\n        if ((byte3 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        codepoint = (byte1 & 0x0F) << 12 | (byte2 & 0x3F) << 6 | (byte3 & 0x3F);\n        if (codepoint < 0x0800 || (codepoint >= 0xD800 && codepoint <= 0xDFFF) || codepoint === 0xFEFF) {\n          // illegal codepoint or BOM, no i-- here\n          continue;\n        }\n        target[size++] = codepoint;\n\n        // 4 bytes\n      } else if ((byte1 & 0xF8) === 0xF0) {\n        if (i >= length) {\n          this.interim[0] = byte1;\n          return size;\n        }\n        byte2 = input[i++];\n        if ((byte2 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        if (i >= length) {\n          this.interim[0] = byte1;\n          this.interim[1] = byte2;\n          return size;\n        }\n        byte3 = input[i++];\n        if ((byte3 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        if (i >= length) {\n          this.interim[0] = byte1;\n          this.interim[1] = byte2;\n          this.interim[2] = byte3;\n          return size;\n        }\n        byte4 = input[i++];\n        if ((byte4 & 0xC0) !== 0x80) {\n          // wrong continuation\n          i--;\n          continue;\n        }\n        codepoint = (byte1 & 0x07) << 18 | (byte2 & 0x3F) << 12 | (byte3 & 0x3F) << 6 | (byte4 & 0x3F);\n        if (codepoint < 0x010000 || codepoint > 0x10FFFF) {\n          // illegal codepoint, no i-- here\n          continue;\n        }\n        target[size++] = codepoint;\n      } else {\n        // illegal byte, just skip\n      }\n    }\n    return size;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IUnicodeVersionProvider } from 'common/services/Services';\n\ntype CharWidth = 0 | 1 | 2;\n\nconst BMP_COMBINING = [\n  [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n  [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n  [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n  [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n  [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n  [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n  [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n  [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n  [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n  [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n  [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n  [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n  [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n  [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n  [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n  [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n  [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n  [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n  [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n  [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n  [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n  [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n  [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n  [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n  [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n  [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n  [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n  [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n  [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n  [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n  [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n  [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n  [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n  [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n  [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n  [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n  [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n  [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n  [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n  [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n  [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n  [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n  [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]\n];\nconst HIGH_COMBINING = [\n  [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n  [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n  [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n  [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n  [0xE0100, 0xE01EF]\n];\n\n// BMP lookup table, lazy initialized during first addon loading\nlet table: Uint8Array;\n\nfunction bisearch(ucs: number, data: number[][]): boolean {\n  let min = 0;\n  let max = data.length - 1;\n  let mid;\n  if (ucs < data[0][0] || ucs > data[max][1]) {\n    return false;\n  }\n  while (max >= min) {\n    mid = (min + max) >> 1;\n    if (ucs > data[mid][1]) {\n      min = mid + 1;\n    } else if (ucs < data[mid][0]) {\n      max = mid - 1;\n    } else {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport class UnicodeV6 implements IUnicodeVersionProvider {\n  public readonly version = '6';\n\n  constructor() {\n    // init lookup table once\n    if (!table) {\n      table = new Uint8Array(65536);\n      table.fill(1);\n      table[0] = 0;\n      // control chars\n      table.fill(0, 1, 32);\n      table.fill(0, 0x7f, 0xa0);\n\n      // apply wide char rules first\n      // wide chars\n      table.fill(2, 0x1100, 0x1160);\n      table[0x2329] = 2;\n      table[0x232a] = 2;\n      table.fill(2, 0x2e80, 0xa4d0);\n      table[0x303f] = 1;  // wrongly in last line\n\n      table.fill(2, 0xac00, 0xd7a4);\n      table.fill(2, 0xf900, 0xfb00);\n      table.fill(2, 0xfe10, 0xfe1a);\n      table.fill(2, 0xfe30, 0xfe70);\n      table.fill(2, 0xff00, 0xff61);\n      table.fill(2, 0xffe0, 0xffe7);\n\n      // apply combining last to ensure we overwrite\n      // wrongly wide set chars:\n      //    the original algo evals combining first and falls\n      //    through to wide check so we simply do here the opposite\n      // combining 0\n      for (let r = 0; r < BMP_COMBINING.length; ++r) {\n        table.fill(0, BMP_COMBINING[r][0], BMP_COMBINING[r][1] + 1);\n      }\n    }\n  }\n\n  public wcwidth(num: number): CharWidth {\n    if (num < 32) return 0;\n    if (num < 127) return 1;\n    if (num < 65536) return table[num] as CharWidth;\n    if (bisearch(num, HIGH_COMBINING)) return 0;\n    if ((num >= 0x20000 && num <= 0x2fffd) || (num >= 0x30000 && num <= 0x3fffd)) return 2;\n    return 1;\n  }\n}\n","\n/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\n\ndeclare const setTimeout: (handler: () => void, timeout?: number) => void;\n\n/**\n * Safety watermark to avoid memory exhaustion and browser engine crash on fast data input.\n * Enable flow control to avoid this limit and make sure that your backend correctly\n * propagates this to the underlying pty. (see docs for further instructions)\n * Since this limit is meant as a safety parachute to prevent browser crashs,\n * it is set to a very high number. Typically xterm.js gets unresponsive with\n * a 100 times lower number (>500 kB).\n */\nconst DISCARD_WATERMARK = 50000000; // ~50 MB\n\n/**\n * The max number of ms to spend on writes before allowing the renderer to\n * catch up with a 0ms setTimeout. A value of < 33 to keep us close to\n * 30fps, and a value of < 16 to try to run at 60fps. Of course, the real FPS\n * depends on the time it takes for the renderer to draw the frame.\n */\nconst WRITE_TIMEOUT_MS = 12;\n\n/**\n * Threshold of max held chunks in the write buffer, that were already processed.\n * This is a tradeoff between extensive write buffer shifts (bad runtime) and high\n * memory consumption by data thats not used anymore.\n */\nconst WRITE_BUFFER_LENGTH_THRESHOLD = 50;\n\nexport class WriteBuffer extends Disposable {\n  private _writeBuffer: (string | Uint8Array)[] = [];\n  private _callbacks: ((() => void) | undefined)[] = [];\n  private _pendingData = 0;\n  private _bufferOffset = 0;\n  private _isSyncWriting = false;\n  private _syncCalls = 0;\n  private _didUserInput = false;\n\n  private readonly _onWriteParsed = this.register(new EventEmitter<void>());\n  public readonly onWriteParsed = this._onWriteParsed.event;\n\n  constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise<boolean>) {\n    super();\n  }\n\n  public handleUserInput(): void {\n    this._didUserInput = true;\n  }\n\n  /**\n   * @deprecated Unreliable, to be removed soon.\n   */\n  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {\n    // stop writeSync recursions with maxSubsequentCalls argument\n    // This is dangerous to use as it will lose the current data chunk\n    // and return immediately.\n    if (maxSubsequentCalls !== undefined && this._syncCalls > maxSubsequentCalls) {\n      // comment next line if a whole loop block should only contain x `writeSync` calls\n      // (total flat vs. deep nested limit)\n      this._syncCalls = 0;\n      return;\n    }\n    // append chunk to buffer\n    this._pendingData += data.length;\n    this._writeBuffer.push(data);\n    this._callbacks.push(undefined);\n\n    // increase recursion counter\n    this._syncCalls++;\n    // exit early if another writeSync loop is active\n    if (this._isSyncWriting) {\n      return;\n    }\n    this._isSyncWriting = true;\n\n    // force sync processing on pending data chunks to avoid in-band data scrambling\n    // does the same as innerWrite but without event loop\n    // we have to do it here as single loop steps to not corrupt loop subject\n    // by another writeSync call triggered from _action\n    let chunk: string | Uint8Array | undefined;\n    while (chunk = this._writeBuffer.shift()) {\n      this._action(chunk);\n      const cb = this._callbacks.shift();\n      if (cb) cb();\n    }\n    // reset to avoid reprocessing of chunks with scheduled innerWrite call\n    // stopping scheduled innerWrite by offset > length condition\n    this._pendingData = 0;\n    this._bufferOffset = 0x7FFFFFFF;\n\n    // allow another writeSync to loop\n    this._isSyncWriting = false;\n    this._syncCalls = 0;\n  }\n\n  public write(data: string | Uint8Array, callback?: () => void): void {\n    if (this._pendingData > DISCARD_WATERMARK) {\n      throw new Error('write data discarded, use flow control to avoid losing data');\n    }\n\n    // schedule chunk processing for next event loop run\n    if (!this._writeBuffer.length) {\n      this._bufferOffset = 0;\n\n      // If this is the first write call after the user has done some input,\n      // parse it immediately to minimize input latency,\n      // otherwise schedule for the next event\n      if (this._didUserInput) {\n        this._didUserInput = false;\n        this._pendingData += data.length;\n        this._writeBuffer.push(data);\n        this._callbacks.push(callback);\n        this._innerWrite();\n        return;\n      }\n\n      setTimeout(() => this._innerWrite());\n    }\n\n    this._pendingData += data.length;\n    this._writeBuffer.push(data);\n    this._callbacks.push(callback);\n  }\n\n  /**\n   * Inner write call, that enters the sliced chunk processing by timing.\n   *\n   * `lastTime` indicates, when the last _innerWrite call had started.\n   * It is used to aggregate async handler execution under a timeout constraint\n   * effectively lowering the redrawing needs, schematically:\n   *\n   *   macroTask _innerWrite:\n   *     if (Date.now() - (lastTime | 0) < WRITE_TIMEOUT_MS):\n   *        schedule microTask _innerWrite(lastTime)\n   *     else:\n   *        schedule macroTask _innerWrite(0)\n   *\n   *   overall execution order on task queues:\n   *\n   *   macrotasks:  [...]  -->  _innerWrite(0)  -->  [...]  -->  screenUpdate  -->  [...]\n   *         m  t:                    |\n   *         i  a:                  [...]\n   *         c  s:                    |\n   *         r  k:              while < timeout:\n   *         o  s:                _innerWrite(timeout)\n   *\n   * `promiseResult` depicts the promise resolve value of an async handler.\n   * This value gets carried forward through all saved stack states of the\n   * paused parser for proper continuation.\n   *\n   * Note, for pure sync code `lastTime` and `promiseResult` have no meaning.\n   */\n  protected _innerWrite(lastTime: number = 0, promiseResult: boolean = true): void {\n    const startTime = lastTime || Date.now();\n    while (this._writeBuffer.length > this._bufferOffset) {\n      const data = this._writeBuffer[this._bufferOffset];\n      const result = this._action(data, promiseResult);\n      if (result) {\n        /**\n         * If we get a promise as return value, we re-schedule the continuation\n         * as thenable on the promise and exit right away.\n         *\n         * The exit here means, that we block input processing at the current active chunk,\n         * the exact execution position within the chunk is preserved by the saved\n         * stack content in InputHandler and EscapeSequenceParser.\n         *\n         * Resuming happens automatically from that saved stack state.\n         * Also the resolved promise value is passed along the callstack to\n         * `EscapeSequenceParser.parse` to correctly resume the stopped handler loop.\n         *\n         * Exceptions on async handlers will be logged to console async, but do not interrupt\n         * the input processing (continues with next handler at the current input position).\n         */\n\n        /**\n         * If a promise takes long to resolve, we should schedule continuation behind setTimeout.\n         * This might already be too late, if our .then enters really late (executor + prev thens\n         * took very long). This cannot be solved here for the handler itself (it is the handlers\n         * responsibility to slice hard work), but we can at least schedule a screen update as we\n         * gain control.\n         */\n        const continuation: (r: boolean) => void = (r: boolean) => Date.now() - startTime >= WRITE_TIMEOUT_MS\n          ? setTimeout(() => this._innerWrite(0, r))\n          : this._innerWrite(startTime, r);\n\n        /**\n         * Optimization considerations:\n         * The continuation above favors FPS over throughput by eval'ing `startTime` on resolve.\n         * This might schedule too many screen updates with bad throughput drops (in case a slow\n         * resolving handler sliced its work properly behind setTimeout calls). We cannot spot\n         * this condition here, also the renderer has no way to spot nonsense updates either.\n         * FIXME: A proper fix for this would track the FPS at the renderer entry level separately.\n         *\n         * If favoring of FPS shows bad throughtput impact, use the following instead. It favors\n         * throughput by eval'ing `startTime` upfront pulling at least one more chunk into the\n         * current microtask queue (executed before setTimeout).\n         */\n        // const continuation: (r: boolean) => void = Date.now() - startTime >= WRITE_TIMEOUT_MS\n        //   ? r => setTimeout(() => this._innerWrite(0, r))\n        //   : r => this._innerWrite(startTime, r);\n\n        // Handle exceptions synchronously to current band position, idea:\n        // 1. spawn a single microtask which we allow to throw hard\n        // 2. spawn a promise immediately resolving to `true`\n        // (executed on the same queue, thus properly aligned before continuation happens)\n        result.catch(err => {\n          queueMicrotask(() => {throw err;});\n          return Promise.resolve(false);\n        }).then(continuation);\n        return;\n      }\n\n      const cb = this._callbacks[this._bufferOffset];\n      if (cb) cb();\n      this._bufferOffset++;\n      this._pendingData -= data.length;\n\n      if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {\n        break;\n      }\n    }\n    if (this._writeBuffer.length > this._bufferOffset) {\n      // Allow renderer to catch up before processing the next batch\n      // trim already processed chunks if we are above threshold\n      if (this._bufferOffset > WRITE_BUFFER_LENGTH_THRESHOLD) {\n        this._writeBuffer = this._writeBuffer.slice(this._bufferOffset);\n        this._callbacks = this._callbacks.slice(this._bufferOffset);\n        this._bufferOffset = 0;\n      }\n      setTimeout(() => this._innerWrite());\n    } else {\n      this._writeBuffer.length = 0;\n      this._callbacks.length = 0;\n      this._pendingData = 0;\n      this._bufferOffset = 0;\n    }\n    this._onWriteParsed.fire();\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n\n// 'rgb:' rule - matching: r/g/b | rr/gg/bb | rrr/ggg/bbb | rrrr/gggg/bbbb (hex digits)\nconst RGB_REX = /^([\\da-f])\\/([\\da-f])\\/([\\da-f])$|^([\\da-f]{2})\\/([\\da-f]{2})\\/([\\da-f]{2})$|^([\\da-f]{3})\\/([\\da-f]{3})\\/([\\da-f]{3})$|^([\\da-f]{4})\\/([\\da-f]{4})\\/([\\da-f]{4})$/;\n// '#...' rule - matching any hex digits\nconst HASH_REX = /^[\\da-f]+$/;\n\n/**\n * Parse color spec to RGB values (8 bit per channel).\n * See `man xparsecolor` for details about certain format specifications.\n *\n * Supported formats:\n * - rgb:<red>/<green>/<blue> with <red>, <green>, <blue> in h | hh | hhh | hhhh\n * - #RGB, #RRGGBB, #RRRGGGBBB, #RRRRGGGGBBBB\n *\n * All other formats like rgbi: or device-independent string specifications\n * with float numbering are not supported.\n */\nexport function parseColor(data: string): [number, number, number] | undefined {\n  if (!data) return;\n  // also handle uppercases\n  let low = data.toLowerCase();\n  if (low.indexOf('rgb:') === 0) {\n    // 'rgb:' specifier\n    low = low.slice(4);\n    const m = RGB_REX.exec(low);\n    if (m) {\n      const base = m[1] ? 15 : m[4] ? 255 : m[7] ? 4095 : 65535;\n      return [\n        Math.round(parseInt(m[1] || m[4] || m[7] || m[10], 16) / base * 255),\n        Math.round(parseInt(m[2] || m[5] || m[8] || m[11], 16) / base * 255),\n        Math.round(parseInt(m[3] || m[6] || m[9] || m[12], 16) / base * 255)\n      ];\n    }\n  } else if (low.indexOf('#') === 0) {\n    // '#' specifier\n    low = low.slice(1);\n    if (HASH_REX.exec(low) && [3, 6, 9, 12].includes(low.length)) {\n      const adv = low.length / 3;\n      const result: [number, number, number] = [0, 0, 0];\n      for (let i = 0; i < 3; ++i) {\n        const c = parseInt(low.slice(adv * i, adv * i + adv), 16);\n        result[i] = adv === 1 ? c << 4 : adv === 2 ? c : adv === 3 ? c >> 4 : c >> 8;\n      }\n      return result;\n    }\n  }\n\n  // Named colors are currently not supported due to the large addition to the xterm.js bundle size\n  // they would add. In order to support named colors, we would need some way of optionally loading\n  // additional payloads so startup/download time is not bloated (see #3530).\n}\n\n// pad hex output to requested bit width\nfunction pad(n: number, bits: number): string {\n  const s = n.toString(16);\n  const s2 = s.length < 2 ? '0' + s : s;\n  switch (bits) {\n    case 4:\n      return s[0];\n    case 8:\n      return s2;\n    case 12:\n      return (s2 + s2).slice(0, 3);\n    default:\n      return s2 + s2;\n  }\n}\n\n/**\n * Convert a given color to rgb:../../.. string of `bits` depth.\n */\nexport function toRgbString(color: [number, number, number], bits: number = 16): string {\n  const [r, g, b] = color;\n  return `rgb:${pad(r, bits)}/${pad(g, bits)}/${pad(b, bits)}`;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * Internal states of EscapeSequenceParser.\n */\nexport const enum ParserState {\n  GROUND = 0,\n  ESCAPE = 1,\n  ESCAPE_INTERMEDIATE = 2,\n  CSI_ENTRY = 3,\n  CSI_PARAM = 4,\n  CSI_INTERMEDIATE = 5,\n  CSI_IGNORE = 6,\n  SOS_PM_APC_STRING = 7,\n  OSC_STRING = 8,\n  DCS_ENTRY = 9,\n  DCS_PARAM = 10,\n  DCS_IGNORE = 11,\n  DCS_INTERMEDIATE = 12,\n  DCS_PASSTHROUGH = 13\n}\n\n/**\n * Internal actions of EscapeSequenceParser.\n */\nexport const enum ParserAction {\n  IGNORE = 0,\n  ERROR = 1,\n  PRINT = 2,\n  EXECUTE = 3,\n  OSC_START = 4,\n  OSC_PUT = 5,\n  OSC_END = 6,\n  CSI_DISPATCH = 7,\n  PARAM = 8,\n  COLLECT = 9,\n  ESC_DISPATCH = 10,\n  CLEAR = 11,\n  DCS_HOOK = 12,\n  DCS_PUT = 13,\n  DCS_UNHOOK = 14\n}\n\n/**\n * Internal states of OscParser.\n */\nexport const enum OscState {\n  START = 0,\n  ID = 1,\n  PAYLOAD = 2,\n  ABORT = 3\n}\n\n// payload limit for OSC and DCS\nexport const PAYLOAD_LIMIT = 10000000;\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\nimport { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType, ISubParserStackState } from 'common/parser/Types';\nimport { utf32ToString } from 'common/input/TextDecoder';\nimport { Params } from 'common/parser/Params';\nimport { PAYLOAD_LIMIT } from 'common/parser/Constants';\n\nconst EMPTY_HANDLERS: IDcsHandler[] = [];\n\nexport class DcsParser implements IDcsParser {\n  private _handlers: IHandlerCollection<IDcsHandler> = Object.create(null);\n  private _active: IDcsHandler[] = EMPTY_HANDLERS;\n  private _ident: number = 0;\n  private _handlerFb: DcsFallbackHandlerType = () => { };\n  private _stack: ISubParserStackState = {\n    paused: false,\n    loopPosition: 0,\n    fallThrough: false\n  };\n\n  public dispose(): void {\n    this._handlers = Object.create(null);\n    this._handlerFb = () => { };\n    this._active = EMPTY_HANDLERS;\n  }\n\n  public registerHandler(ident: number, handler: IDcsHandler): IDisposable {\n    if (this._handlers[ident] === undefined) {\n      this._handlers[ident] = [];\n    }\n    const handlerList = this._handlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n\n  public clearHandler(ident: number): void {\n    if (this._handlers[ident]) delete this._handlers[ident];\n  }\n\n  public setHandlerFallback(handler: DcsFallbackHandlerType): void {\n    this._handlerFb = handler;\n  }\n\n  public reset(): void {\n    // force cleanup leftover handlers\n    if (this._active.length) {\n      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {\n        this._active[j].unhook(false);\n      }\n    }\n    this._stack.paused = false;\n    this._active = EMPTY_HANDLERS;\n    this._ident = 0;\n  }\n\n  public hook(ident: number, params: IParams): void {\n    // always reset leftover handlers\n    this.reset();\n    this._ident = ident;\n    this._active = this._handlers[ident] || EMPTY_HANDLERS;\n    if (!this._active.length) {\n      this._handlerFb(this._ident, 'HOOK', params);\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].hook(params);\n      }\n    }\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (!this._active.length) {\n      this._handlerFb(this._ident, 'PUT', utf32ToString(data, start, end));\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].put(data, start, end);\n      }\n    }\n  }\n\n  public unhook(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {\n    if (!this._active.length) {\n      this._handlerFb(this._ident, 'UNHOOK', success);\n    } else {\n      let handlerResult: boolean | Promise<boolean> = false;\n      let j = this._active.length - 1;\n      let fallThrough = false;\n      if (this._stack.paused) {\n        j = this._stack.loopPosition - 1;\n        handlerResult = promiseResult;\n        fallThrough = this._stack.fallThrough;\n        this._stack.paused = false;\n      }\n      if (!fallThrough && handlerResult === false) {\n        for (; j >= 0; j--) {\n          handlerResult = this._active[j].unhook(success);\n          if (handlerResult === true) {\n            break;\n          } else if (handlerResult instanceof Promise) {\n            this._stack.paused = true;\n            this._stack.loopPosition = j;\n            this._stack.fallThrough = false;\n            return handlerResult;\n          }\n        }\n        j--;\n      }\n      // cleanup left over handlers (fallThrough for async)\n      for (; j >= 0; j--) {\n        handlerResult = this._active[j].unhook(false);\n        if (handlerResult instanceof Promise) {\n          this._stack.paused = true;\n          this._stack.loopPosition = j;\n          this._stack.fallThrough = true;\n          return handlerResult;\n        }\n      }\n    }\n    this._active = EMPTY_HANDLERS;\n    this._ident = 0;\n  }\n}\n\n// predefine empty params as [0] (ZDM)\nconst EMPTY_PARAMS = new Params();\nEMPTY_PARAMS.addParam(0);\n\n/**\n * Convenient class to create a DCS handler from a single callback function.\n * Note: The payload is currently limited to 50 MB (hardcoded).\n */\nexport class DcsHandler implements IDcsHandler {\n  private _data = '';\n  private _params: IParams = EMPTY_PARAMS;\n  private _hitLimit: boolean = false;\n\n  constructor(private _handler: (data: string, params: IParams) => boolean | Promise<boolean>) { }\n\n  public hook(params: IParams): void {\n    // since we need to preserve params until `unhook`, we have to clone it\n    // (only borrowed from parser and spans multiple parser states)\n    // perf optimization:\n    // clone only, if we have non empty params, otherwise stick with default\n    this._params = (params.length > 1 || params.params[0]) ? params.clone() : EMPTY_PARAMS;\n    this._data = '';\n    this._hitLimit = false;\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._hitLimit) {\n      return;\n    }\n    this._data += utf32ToString(data, start, end);\n    if (this._data.length > PAYLOAD_LIMIT) {\n      this._data = '';\n      this._hitLimit = true;\n    }\n  }\n\n  public unhook(success: boolean): boolean | Promise<boolean> {\n    let ret: boolean | Promise<boolean> = false;\n    if (this._hitLimit) {\n      ret = false;\n    } else if (success) {\n      ret = this._handler(this._data, this._params);\n      if (ret instanceof Promise) {\n        // need to hold data and params until `ret` got resolved\n        // dont care for errors, data will be freed anyway on next start\n        return ret.then(res => {\n          this._params = EMPTY_PARAMS;\n          this._data = '';\n          this._hitLimit = false;\n          return res;\n        });\n      }\n    }\n    this._params = EMPTY_PARAMS;\n    this._data = '';\n    this._hitLimit = false;\n    return ret;\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType, IParserStackState, ParserStackType, ResumableHandlersType } from 'common/parser/Types';\nimport { ParserState, ParserAction } from 'common/parser/Constants';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IDisposable } from 'common/Types';\nimport { Params } from 'common/parser/Params';\nimport { OscParser } from 'common/parser/OscParser';\nimport { DcsParser } from 'common/parser/DcsParser';\n\n/**\n * Table values are generated like this:\n *    index:  currentState << TableValue.INDEX_STATE_SHIFT | charCode\n *    value:  action << TableValue.TRANSITION_ACTION_SHIFT | nextState\n */\nconst enum TableAccess {\n  TRANSITION_ACTION_SHIFT = 4,\n  TRANSITION_STATE_MASK = 15,\n  INDEX_STATE_SHIFT = 8\n}\n\n/**\n * Transition table for EscapeSequenceParser.\n */\nexport class TransitionTable {\n  public table: Uint8Array;\n\n  constructor(length: number) {\n    this.table = new Uint8Array(length);\n  }\n\n  /**\n   * Set default transition.\n   * @param action default action\n   * @param next default next state\n   */\n  public setDefault(action: ParserAction, next: ParserState): void {\n    this.table.fill(action << TableAccess.TRANSITION_ACTION_SHIFT | next);\n  }\n\n  /**\n   * Add a transition to the transition table.\n   * @param code input character code\n   * @param state current parser state\n   * @param action parser action to be done\n   * @param next next parser state\n   */\n  public add(code: number, state: ParserState, action: ParserAction, next: ParserState): void {\n    this.table[state << TableAccess.INDEX_STATE_SHIFT | code] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;\n  }\n\n  /**\n   * Add transitions for multiple input character codes.\n   * @param codes input character code array\n   * @param state current parser state\n   * @param action parser action to be done\n   * @param next next parser state\n   */\n  public addMany(codes: number[], state: ParserState, action: ParserAction, next: ParserState): void {\n    for (let i = 0; i < codes.length; i++) {\n      this.table[state << TableAccess.INDEX_STATE_SHIFT | codes[i]] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;\n    }\n  }\n}\n\n\n// Pseudo-character placeholder for printable non-ascii characters (unicode).\nconst NON_ASCII_PRINTABLE = 0xA0;\n\n\n/**\n * VT500 compatible transition table.\n * Taken from https://vt100.net/emu/dec_ansi_parser.\n */\nexport const VT500_TRANSITION_TABLE = (function (): TransitionTable {\n  const table: TransitionTable = new TransitionTable(4095);\n\n  // range macro for byte\n  const BYTE_VALUES = 256;\n  const blueprint = Array.apply(null, Array(BYTE_VALUES)).map((unused: any, i: number) => i);\n  const r = (start: number, end: number): number[] => blueprint.slice(start, end);\n\n  // Default definitions.\n  const PRINTABLES = r(0x20, 0x7f); // 0x20 (SP) included, 0x7F (DEL) excluded\n  const EXECUTABLES = r(0x00, 0x18);\n  EXECUTABLES.push(0x19);\n  EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));\n\n  const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);\n  let state: any;\n\n  // set default transition\n  table.setDefault(ParserAction.ERROR, ParserState.GROUND);\n  // printables\n  table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n  // global anywhere rules\n  for (state in states) {\n    table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator\n    table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE);  // ESC\n    table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING);  // OSC\n    table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n    table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY);  // CSI\n    table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY);  // DCS\n  }\n  // rules for executables and 7f\n  table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);\n  table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);\n  table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);\n  table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n  table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);\n  table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);\n  table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);\n  table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);\n  table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);\n  table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);\n  table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);\n  table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);\n  table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);\n  // osc\n  table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);\n  table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);\n  table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n  // sos/pm/apc does nothing\n  table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);\n  table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  // csi entries\n  table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x30, 0x3c), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);\n  table.addMany(r(0x30, 0x3c), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  // esc_intermediate\n  table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n  table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  // dcs entry\n  table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);\n  table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x30, 0x3c), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);\n  table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.addMany(r(0x30, 0x3c), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);\n  table.addMany([0x1b, 0x9c, 0x18, 0x1a], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);\n  // special handling of unicode chars\n  table.add(NON_ASCII_PRINTABLE, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n  table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.add(NON_ASCII_PRINTABLE, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  return table;\n})();\n\n\n/**\n * EscapeSequenceParser.\n * This class implements the ANSI/DEC compatible parser described by\n * Paul Williams (https://vt100.net/emu/dec_ansi_parser).\n *\n * To implement custom ANSI compliant escape sequences it is not needed to\n * alter this parser, instead consider registering a custom handler.\n * For non ANSI compliant sequences change the transition table with\n * the optional `transitions` constructor argument and\n * reimplement the `parse` method.\n *\n * This parser is currently hardcoded to operate in ZDM (Zero Default Mode)\n * as suggested by the original parser, thus empty parameters are set to 0.\n * This this is not in line with the latest ECMA-48 specification\n * (ZDM was part of the early specs and got completely removed later on).\n *\n * Other than the original parser from vt100.net this parser supports\n * sub parameters in digital parameters separated by colons. Empty sub parameters\n * are set to -1 (no ZDM for sub parameters).\n *\n * About prefix and intermediate bytes:\n * This parser follows the assumptions of the vt100.net parser with these restrictions:\n * - only one prefix byte is allowed as first parameter byte, byte range 0x3c .. 0x3f\n * - max. two intermediates are respected, byte range 0x20 .. 0x2f\n * Note that this is not in line with ECMA-48 which does not limit either of those.\n * Furthermore ECMA-48 allows the prefix byte range at any param byte position. Currently\n * there are no known sequences that follow the broader definition of the specification.\n *\n * TODO: implement error recovery hook via error handler return values\n */\nexport class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {\n  public initialState: number;\n  public currentState: number;\n  public precedingCodepoint: number;\n\n  // buffers over several parse calls\n  protected _params: Params;\n  protected _collect: number;\n\n  // handler lookup containers\n  protected _printHandler: PrintHandlerType;\n  protected _executeHandlers: { [flag: number]: ExecuteHandlerType };\n  protected _csiHandlers: IHandlerCollection<CsiHandlerType>;\n  protected _escHandlers: IHandlerCollection<EscHandlerType>;\n  protected readonly _oscParser: IOscParser;\n  protected readonly _dcsParser: IDcsParser;\n  protected _errorHandler: (state: IParsingState) => IParsingState;\n\n  // fallback handlers\n  protected _printHandlerFb: PrintFallbackHandlerType;\n  protected _executeHandlerFb: ExecuteFallbackHandlerType;\n  protected _csiHandlerFb: CsiFallbackHandlerType;\n  protected _escHandlerFb: EscFallbackHandlerType;\n  protected _errorHandlerFb: (state: IParsingState) => IParsingState;\n\n  // parser stack save for async handler support\n  protected _parseStack: IParserStackState = {\n    state: ParserStackType.NONE,\n    handlers: [],\n    handlerPos: 0,\n    transition: 0,\n    chunkPos: 0\n  };\n\n  constructor(\n    protected readonly _transitions: TransitionTable = VT500_TRANSITION_TABLE\n  ) {\n    super();\n\n    this.initialState = ParserState.GROUND;\n    this.currentState = this.initialState;\n    this._params = new Params(); // defaults to 32 storable params/subparams\n    this._params.addParam(0);    // ZDM\n    this._collect = 0;\n    this.precedingCodepoint = 0;\n\n    // set default fallback handlers and handler lookup containers\n    this._printHandlerFb = (data, start, end): void => { };\n    this._executeHandlerFb = (code: number): void => { };\n    this._csiHandlerFb = (ident: number, params: IParams): void => { };\n    this._escHandlerFb = (ident: number): void => { };\n    this._errorHandlerFb = (state: IParsingState): IParsingState => state;\n    this._printHandler = this._printHandlerFb;\n    this._executeHandlers = Object.create(null);\n    this._csiHandlers = Object.create(null);\n    this._escHandlers = Object.create(null);\n    this.register(toDisposable(() => {\n      this._csiHandlers = Object.create(null);\n      this._executeHandlers = Object.create(null);\n      this._escHandlers = Object.create(null);\n    }));\n    this._oscParser = this.register(new OscParser());\n    this._dcsParser = this.register(new DcsParser());\n    this._errorHandler = this._errorHandlerFb;\n\n    // swallow 7bit ST (ESC+\\)\n    this.registerEscHandler({ final: '\\\\' }, () => true);\n  }\n\n  protected _identifier(id: IFunctionIdentifier, finalRange: number[] = [0x40, 0x7e]): number {\n    let res = 0;\n    if (id.prefix) {\n      if (id.prefix.length > 1) {\n        throw new Error('only one byte as prefix supported');\n      }\n      res = id.prefix.charCodeAt(0);\n      if (res && 0x3c > res || res > 0x3f) {\n        throw new Error('prefix must be in range 0x3c .. 0x3f');\n      }\n    }\n    if (id.intermediates) {\n      if (id.intermediates.length > 2) {\n        throw new Error('only two bytes as intermediates are supported');\n      }\n      for (let i = 0; i < id.intermediates.length; ++i) {\n        const intermediate = id.intermediates.charCodeAt(i);\n        if (0x20 > intermediate || intermediate > 0x2f) {\n          throw new Error('intermediate must be in range 0x20 .. 0x2f');\n        }\n        res <<= 8;\n        res |= intermediate;\n      }\n    }\n    if (id.final.length !== 1) {\n      throw new Error('final must be a single byte');\n    }\n    const finalCode = id.final.charCodeAt(0);\n    if (finalRange[0] > finalCode || finalCode > finalRange[1]) {\n      throw new Error(`final must be in range ${finalRange[0]} .. ${finalRange[1]}`);\n    }\n    res <<= 8;\n    res |= finalCode;\n\n    return res;\n  }\n\n  public identToString(ident: number): string {\n    const res: string[] = [];\n    while (ident) {\n      res.push(String.fromCharCode(ident & 0xFF));\n      ident >>= 8;\n    }\n    return res.reverse().join('');\n  }\n\n  public setPrintHandler(handler: PrintHandlerType): void {\n    this._printHandler = handler;\n  }\n  public clearPrintHandler(): void {\n    this._printHandler = this._printHandlerFb;\n  }\n\n  public registerEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable {\n    const ident = this._identifier(id, [0x30, 0x7e]);\n    if (this._escHandlers[ident] === undefined) {\n      this._escHandlers[ident] = [];\n    }\n    const handlerList = this._escHandlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n  public clearEscHandler(id: IFunctionIdentifier): void {\n    if (this._escHandlers[this._identifier(id, [0x30, 0x7e])]) delete this._escHandlers[this._identifier(id, [0x30, 0x7e])];\n  }\n  public setEscHandlerFallback(handler: EscFallbackHandlerType): void {\n    this._escHandlerFb = handler;\n  }\n\n  public setExecuteHandler(flag: string, handler: ExecuteHandlerType): void {\n    this._executeHandlers[flag.charCodeAt(0)] = handler;\n  }\n  public clearExecuteHandler(flag: string): void {\n    if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];\n  }\n  public setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void {\n    this._executeHandlerFb = handler;\n  }\n\n  public registerCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable {\n    const ident = this._identifier(id);\n    if (this._csiHandlers[ident] === undefined) {\n      this._csiHandlers[ident] = [];\n    }\n    const handlerList = this._csiHandlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n  public clearCsiHandler(id: IFunctionIdentifier): void {\n    if (this._csiHandlers[this._identifier(id)]) delete this._csiHandlers[this._identifier(id)];\n  }\n  public setCsiHandlerFallback(callback: (ident: number, params: IParams) => void): void {\n    this._csiHandlerFb = callback;\n  }\n\n  public registerDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable {\n    return this._dcsParser.registerHandler(this._identifier(id), handler);\n  }\n  public clearDcsHandler(id: IFunctionIdentifier): void {\n    this._dcsParser.clearHandler(this._identifier(id));\n  }\n  public setDcsHandlerFallback(handler: DcsFallbackHandlerType): void {\n    this._dcsParser.setHandlerFallback(handler);\n  }\n\n  public registerOscHandler(ident: number, handler: IOscHandler): IDisposable {\n    return this._oscParser.registerHandler(ident, handler);\n  }\n  public clearOscHandler(ident: number): void {\n    this._oscParser.clearHandler(ident);\n  }\n  public setOscHandlerFallback(handler: OscFallbackHandlerType): void {\n    this._oscParser.setHandlerFallback(handler);\n  }\n\n  public setErrorHandler(callback: (state: IParsingState) => IParsingState): void {\n    this._errorHandler = callback;\n  }\n  public clearErrorHandler(): void {\n    this._errorHandler = this._errorHandlerFb;\n  }\n\n  /**\n   * Reset parser to initial values.\n   *\n   * This can also be used to lift the improper continuation error condition\n   * when dealing with async handlers. Use this only as a last resort to silence\n   * that error when the terminal has no pending data to be processed. Note that\n   * the interrupted async handler might continue its work in the future messing\n   * up the terminal state even further.\n   */\n  public reset(): void {\n    this.currentState = this.initialState;\n    this._oscParser.reset();\n    this._dcsParser.reset();\n    this._params.reset();\n    this._params.addParam(0); // ZDM\n    this._collect = 0;\n    this.precedingCodepoint = 0;\n    // abort pending continuation from async handler\n    // Here the RESET type indicates, that the next parse call will\n    // ignore any saved stack, instead continues sync with next codepoint from GROUND\n    if (this._parseStack.state !== ParserStackType.NONE) {\n      this._parseStack.state = ParserStackType.RESET;\n      this._parseStack.handlers = []; // also release handlers ref\n    }\n  }\n\n  /**\n   * Async parse support.\n   */\n  protected _preserveStack(\n    state: ParserStackType,\n    handlers: ResumableHandlersType,\n    handlerPos: number,\n    transition: number,\n    chunkPos: number\n  ): void {\n    this._parseStack.state = state;\n    this._parseStack.handlers = handlers;\n    this._parseStack.handlerPos = handlerPos;\n    this._parseStack.transition = transition;\n    this._parseStack.chunkPos = chunkPos;\n  }\n\n  /**\n   * Parse UTF32 codepoints in `data` up to `length`.\n   *\n   * Note: For several actions with high data load the parsing is optimized\n   * by using local read ahead loops with hardcoded conditions to\n   * avoid costly table lookups. Make sure that any change of table values\n   * will be reflected in the loop conditions as well and vice versa.\n   * Affected states/actions:\n   * - GROUND:PRINT\n   * - CSI_PARAM:PARAM\n   * - DCS_PARAM:PARAM\n   * - OSC_STRING:OSC_PUT\n   * - DCS_PASSTHROUGH:DCS_PUT\n   *\n   * Note on asynchronous handler support:\n   * Any handler returning a promise will be treated as asynchronous.\n   * To keep the in-band blocking working for async handlers, `parse` pauses execution,\n   * creates a stack save and returns the promise to the caller.\n   * For proper continuation of the paused state it is important\n   * to await the promise resolving. On resolve the parse must be repeated\n   * with the same chunk of data and the resolved value in `promiseResult`\n   * until no promise is returned.\n   *\n   * Important: With only sync handlers defined, parsing is completely synchronous as well.\n   * As soon as an async handler is involved, synchronous parsing is not possible anymore.\n   *\n   * Boilerplate for proper parsing of multiple chunks with async handlers:\n   *\n   * ```typescript\n   * async function parseMultipleChunks(chunks: Uint32Array[]): Promise<void> {\n   *   for (const chunk of chunks) {\n   *     let result: void | Promise<boolean>;\n   *     let prev: boolean | undefined;\n   *     while (result = parser.parse(chunk, chunk.length, prev)) {\n   *       prev = await result;\n   *     }\n   *   }\n   *   // finished parsing all chunks...\n   * }\n   * ```\n   */\n  public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise<boolean> {\n    let code = 0;\n    let transition = 0;\n    let start = 0;\n    let handlerResult: void | boolean | Promise<boolean>;\n\n    // resume from async handler\n    if (this._parseStack.state) {\n      // allow sync parser reset even in continuation mode\n      // Note: can be used to recover parser from improper continuation error below\n      if (this._parseStack.state === ParserStackType.RESET) {\n        this._parseStack.state = ParserStackType.NONE;\n        start = this._parseStack.chunkPos + 1; // continue with next codepoint in GROUND\n      } else {\n        if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) {\n          /**\n           * Reject further parsing on improper continuation after pausing. This is a really bad\n           * condition with screwed up execution order and prolly messed up terminal state,\n           * therefore we exit hard with an exception and reject any further parsing.\n           *\n           * Note: With `Terminal.write` usage this exception should never occur, as the top level\n           * calls are guaranteed to handle async conditions properly. If you ever encounter this\n           * exception in your terminal integration it indicates, that you injected data chunks to\n           * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for\n           * continuation of a running async handler.\n           *\n           * It is possible to get rid of this error by calling `reset`. But dont rely on that, as\n           * the pending async handler still might mess up the terminal later. Instead fix the\n           * faulty async handling, so this error will not be thrown anymore.\n           */\n          this._parseStack.state = ParserStackType.FAIL;\n          throw new Error('improper continuation due to previous async handler, giving up parsing');\n        }\n\n        // we have to resume the old handler loop if:\n        // - return value of the promise was `false`\n        // - handlers are not exhausted yet\n        const handlers = this._parseStack.handlers;\n        let handlerPos = this._parseStack.handlerPos - 1;\n        switch (this._parseStack.state) {\n          case ParserStackType.CSI:\n            if (promiseResult === false && handlerPos > -1) {\n              for (; handlerPos >= 0; handlerPos--) {\n                handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params);\n                if (handlerResult === true) {\n                  break;\n                } else if (handlerResult instanceof Promise) {\n                  this._parseStack.handlerPos = handlerPos;\n                  return handlerResult;\n                }\n              }\n            }\n            this._parseStack.handlers = [];\n            break;\n          case ParserStackType.ESC:\n            if (promiseResult === false && handlerPos > -1) {\n              for (; handlerPos >= 0; handlerPos--) {\n                handlerResult = (handlers as EscHandlerType[])[handlerPos]();\n                if (handlerResult === true) {\n                  break;\n                } else if (handlerResult instanceof Promise) {\n                  this._parseStack.handlerPos = handlerPos;\n                  return handlerResult;\n                }\n              }\n            }\n            this._parseStack.handlers = [];\n            break;\n          case ParserStackType.DCS:\n            code = data[this._parseStack.chunkPos];\n            handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult);\n            if (handlerResult) {\n              return handlerResult;\n            }\n            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;\n            this._params.reset();\n            this._params.addParam(0); // ZDM\n            this._collect = 0;\n            break;\n          case ParserStackType.OSC:\n            code = data[this._parseStack.chunkPos];\n            handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult);\n            if (handlerResult) {\n              return handlerResult;\n            }\n            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;\n            this._params.reset();\n            this._params.addParam(0); // ZDM\n            this._collect = 0;\n            break;\n        }\n        // cleanup before continuing with the main sync loop\n        this._parseStack.state = ParserStackType.NONE;\n        start = this._parseStack.chunkPos + 1;\n        this.precedingCodepoint = 0;\n        this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK;\n      }\n    }\n\n    // continue with main sync loop\n\n    // process input string\n    for (let i = start; i < length; ++i) {\n      code = data[i];\n\n      // normal transition & action lookup\n      transition = this._transitions.table[this.currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];\n      switch (transition >> TableAccess.TRANSITION_ACTION_SHIFT) {\n        case ParserAction.PRINT:\n          // read ahead with loop unrolling\n          // Note: 0x20 (SP) is included, 0x7F (DEL) is excluded\n          for (let j = i + 1; ; ++j) {\n            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n              this._printHandler(data, i, j);\n              i = j - 1;\n              break;\n            }\n          }\n          break;\n        case ParserAction.EXECUTE:\n          if (this._executeHandlers[code]) this._executeHandlers[code]();\n          else this._executeHandlerFb(code);\n          this.precedingCodepoint = 0;\n          break;\n        case ParserAction.IGNORE:\n          break;\n        case ParserAction.ERROR:\n          const inject: IParsingState = this._errorHandler(\n            {\n              position: i,\n              code,\n              currentState: this.currentState,\n              collect: this._collect,\n              params: this._params,\n              abort: false\n            });\n          if (inject.abort) return;\n          // inject values: currently not implemented\n          break;\n        case ParserAction.CSI_DISPATCH:\n          // Trigger CSI Handler\n          const handlers = this._csiHandlers[this._collect << 8 | code];\n          let j = handlers ? handlers.length - 1 : -1;\n          for (; j >= 0; j--) {\n            // true means success and to stop bubbling\n            // a promise indicates an async handler that needs to finish before progressing\n            handlerResult = handlers[j](this._params);\n            if (handlerResult === true) {\n              break;\n            } else if (handlerResult instanceof Promise) {\n              this._preserveStack(ParserStackType.CSI, handlers, j, transition, i);\n              return handlerResult;\n            }\n          }\n          if (j < 0) {\n            this._csiHandlerFb(this._collect << 8 | code, this._params);\n          }\n          this.precedingCodepoint = 0;\n          break;\n        case ParserAction.PARAM:\n          // inner loop: digits (0x30 - 0x39) and ; (0x3b) and : (0x3a)\n          do {\n            switch (code) {\n              case 0x3b:\n                this._params.addParam(0);  // ZDM\n                break;\n              case 0x3a:\n                this._params.addSubParam(-1);\n                break;\n              default:  // 0x30 - 0x39\n                this._params.addDigit(code - 48);\n            }\n          } while (++i < length && (code = data[i]) > 0x2f && code < 0x3c);\n          i--;\n          break;\n        case ParserAction.COLLECT:\n          this._collect <<= 8;\n          this._collect |= code;\n          break;\n        case ParserAction.ESC_DISPATCH:\n          const handlersEsc = this._escHandlers[this._collect << 8 | code];\n          let jj = handlersEsc ? handlersEsc.length - 1 : -1;\n          for (; jj >= 0; jj--) {\n            // true means success and to stop bubbling\n            // a promise indicates an async handler that needs to finish before progressing\n            handlerResult = handlersEsc[jj]();\n            if (handlerResult === true) {\n              break;\n            } else if (handlerResult instanceof Promise) {\n              this._preserveStack(ParserStackType.ESC, handlersEsc, jj, transition, i);\n              return handlerResult;\n            }\n          }\n          if (jj < 0) {\n            this._escHandlerFb(this._collect << 8 | code);\n          }\n          this.precedingCodepoint = 0;\n          break;\n        case ParserAction.CLEAR:\n          this._params.reset();\n          this._params.addParam(0); // ZDM\n          this._collect = 0;\n          break;\n        case ParserAction.DCS_HOOK:\n          this._dcsParser.hook(this._collect << 8 | code, this._params);\n          break;\n        case ParserAction.DCS_PUT:\n          // inner loop - exit DCS_PUT: 0x18, 0x1a, 0x1b, 0x7f, 0x80 - 0x9f\n          // unhook triggered by: 0x1b, 0x9c (success) and 0x18, 0x1a (abort)\n          for (let j = i + 1; ; ++j) {\n            if (j >= length || (code = data[j]) === 0x18 || code === 0x1a || code === 0x1b || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {\n              this._dcsParser.put(data, i, j);\n              i = j - 1;\n              break;\n            }\n          }\n          break;\n        case ParserAction.DCS_UNHOOK:\n          handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a);\n          if (handlerResult) {\n            this._preserveStack(ParserStackType.DCS, [], 0, transition, i);\n            return handlerResult;\n          }\n          if (code === 0x1b) transition |= ParserState.ESCAPE;\n          this._params.reset();\n          this._params.addParam(0); // ZDM\n          this._collect = 0;\n          this.precedingCodepoint = 0;\n          break;\n        case ParserAction.OSC_START:\n          this._oscParser.start();\n          break;\n        case ParserAction.OSC_PUT:\n          // inner loop: 0x20 (SP) included, 0x7F (DEL) included\n          for (let j = i + 1; ; j++) {\n            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {\n              this._oscParser.put(data, i, j);\n              i = j - 1;\n              break;\n            }\n          }\n          break;\n        case ParserAction.OSC_END:\n          handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a);\n          if (handlerResult) {\n            this._preserveStack(ParserStackType.OSC, [], 0, transition, i);\n            return handlerResult;\n          }\n          if (code === 0x1b) transition |= ParserState.ESCAPE;\n          this._params.reset();\n          this._params.addParam(0); // ZDM\n          this._collect = 0;\n          this.precedingCodepoint = 0;\n          break;\n      }\n      this.currentState = transition & TableAccess.TRANSITION_STATE_MASK;\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser, ISubParserStackState } from 'common/parser/Types';\nimport { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants';\nimport { utf32ToString } from 'common/input/TextDecoder';\nimport { IDisposable } from 'common/Types';\n\nconst EMPTY_HANDLERS: IOscHandler[] = [];\n\nexport class OscParser implements IOscParser {\n  private _state = OscState.START;\n  private _active = EMPTY_HANDLERS;\n  private _id = -1;\n  private _handlers: IHandlerCollection<IOscHandler> = Object.create(null);\n  private _handlerFb: OscFallbackHandlerType = () => { };\n  private _stack: ISubParserStackState = {\n    paused: false,\n    loopPosition: 0,\n    fallThrough: false\n  };\n\n  public registerHandler(ident: number, handler: IOscHandler): IDisposable {\n    if (this._handlers[ident] === undefined) {\n      this._handlers[ident] = [];\n    }\n    const handlerList = this._handlers[ident];\n    handlerList.push(handler);\n    return {\n      dispose: () => {\n        const handlerIndex = handlerList.indexOf(handler);\n        if (handlerIndex !== -1) {\n          handlerList.splice(handlerIndex, 1);\n        }\n      }\n    };\n  }\n  public clearHandler(ident: number): void {\n    if (this._handlers[ident]) delete this._handlers[ident];\n  }\n  public setHandlerFallback(handler: OscFallbackHandlerType): void {\n    this._handlerFb = handler;\n  }\n\n  public dispose(): void {\n    this._handlers = Object.create(null);\n    this._handlerFb = () => { };\n    this._active = EMPTY_HANDLERS;\n  }\n\n  public reset(): void {\n    // force cleanup handlers if payload was already sent\n    if (this._state === OscState.PAYLOAD) {\n      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {\n        this._active[j].end(false);\n      }\n    }\n    this._stack.paused = false;\n    this._active = EMPTY_HANDLERS;\n    this._id = -1;\n    this._state = OscState.START;\n  }\n\n  private _start(): void {\n    this._active = this._handlers[this._id] || EMPTY_HANDLERS;\n    if (!this._active.length) {\n      this._handlerFb(this._id, 'START');\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].start();\n      }\n    }\n  }\n\n  private _put(data: Uint32Array, start: number, end: number): void {\n    if (!this._active.length) {\n      this._handlerFb(this._id, 'PUT', utf32ToString(data, start, end));\n    } else {\n      for (let j = this._active.length - 1; j >= 0; j--) {\n        this._active[j].put(data, start, end);\n      }\n    }\n  }\n\n  public start(): void {\n    // always reset leftover handlers\n    this.reset();\n    this._state = OscState.ID;\n  }\n\n  /**\n   * Put data to current OSC command.\n   * Expects the identifier of the OSC command in the form\n   * OSC id ; payload ST/BEL\n   * Payload chunks are not further processed and get\n   * directly passed to the handlers.\n   */\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._state === OscState.ABORT) {\n      return;\n    }\n    if (this._state === OscState.ID) {\n      while (start < end) {\n        const code = data[start++];\n        if (code === 0x3b) {\n          this._state = OscState.PAYLOAD;\n          this._start();\n          break;\n        }\n        if (code < 0x30 || 0x39 < code) {\n          this._state = OscState.ABORT;\n          return;\n        }\n        if (this._id === -1) {\n          this._id = 0;\n        }\n        this._id = this._id * 10 + code - 48;\n      }\n    }\n    if (this._state === OscState.PAYLOAD && end - start > 0) {\n      this._put(data, start, end);\n    }\n  }\n\n  /**\n   * Indicates end of an OSC command.\n   * Whether the OSC got aborted or finished normally\n   * is indicated by `success`.\n   */\n  public end(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {\n    if (this._state === OscState.START) {\n      return;\n    }\n    // do nothing if command was faulty\n    if (this._state !== OscState.ABORT) {\n      // if we are still in ID state and get an early end\n      // means that the command has no payload thus we still have\n      // to announce START and send END right after\n      if (this._state === OscState.ID) {\n        this._start();\n      }\n\n      if (!this._active.length) {\n        this._handlerFb(this._id, 'END', success);\n      } else {\n        let handlerResult: boolean | Promise<boolean> = false;\n        let j = this._active.length - 1;\n        let fallThrough = false;\n        if (this._stack.paused) {\n          j = this._stack.loopPosition - 1;\n          handlerResult = promiseResult;\n          fallThrough = this._stack.fallThrough;\n          this._stack.paused = false;\n        }\n        if (!fallThrough && handlerResult === false) {\n          for (; j >= 0; j--) {\n            handlerResult = this._active[j].end(success);\n            if (handlerResult === true) {\n              break;\n            } else if (handlerResult instanceof Promise) {\n              this._stack.paused = true;\n              this._stack.loopPosition = j;\n              this._stack.fallThrough = false;\n              return handlerResult;\n            }\n          }\n          j--;\n        }\n        // cleanup left over handlers\n        // we always have to call .end for proper cleanup,\n        // here we use `success` to indicate whether a handler should execute\n        for (; j >= 0; j--) {\n          handlerResult = this._active[j].end(false);\n          if (handlerResult instanceof Promise) {\n            this._stack.paused = true;\n            this._stack.loopPosition = j;\n            this._stack.fallThrough = true;\n            return handlerResult;\n          }\n        }\n      }\n\n    }\n    this._active = EMPTY_HANDLERS;\n    this._id = -1;\n    this._state = OscState.START;\n  }\n}\n\n/**\n * Convenient class to allow attaching string based handler functions\n * as OSC handlers.\n */\nexport class OscHandler implements IOscHandler {\n  private _data = '';\n  private _hitLimit: boolean = false;\n\n  constructor(private _handler: (data: string) => boolean | Promise<boolean>) { }\n\n  public start(): void {\n    this._data = '';\n    this._hitLimit = false;\n  }\n\n  public put(data: Uint32Array, start: number, end: number): void {\n    if (this._hitLimit) {\n      return;\n    }\n    this._data += utf32ToString(data, start, end);\n    if (this._data.length > PAYLOAD_LIMIT) {\n      this._data = '';\n      this._hitLimit = true;\n    }\n  }\n\n  public end(success: boolean): boolean | Promise<boolean> {\n    let ret: boolean | Promise<boolean> = false;\n    if (this._hitLimit) {\n      ret = false;\n    } else if (success) {\n      ret = this._handler(this._data);\n      if (ret instanceof Promise) {\n        // need to hold data until `ret` got resolved\n        // dont care for errors, data will be freed anyway on next start\n        return ret.then(res => {\n          this._data = '';\n          this._hitLimit = false;\n          return res;\n        });\n      }\n    }\n    this._data = '';\n    this._hitLimit = false;\n    return ret;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IParams, ParamsArray } from 'common/parser/Types';\n\n// max value supported for a single param/subparam (clamped to positive int32 range)\nconst MAX_VALUE = 0x7FFFFFFF;\n// max allowed subparams for a single sequence (hardcoded limitation)\nconst MAX_SUBPARAMS = 256;\n\n/**\n * Params storage class.\n * This type is used by the parser to accumulate sequence parameters and sub parameters\n * and transmit them to the input handler actions.\n *\n * NOTES:\n *  - params object for action handlers is borrowed, use `.toArray` or `.clone` to get a copy\n *  - never read beyond `params.length - 1` (likely to contain arbitrary data)\n *  - `.getSubParams` returns a borrowed typed array, use `.getSubParamsAll` for cloned sub params\n *  - hardcoded limitations:\n *    - max. value for a single (sub) param is 2^31 - 1 (greater values are clamped to that)\n *    - max. 256 sub params possible\n *    - negative values are not allowed beside -1 (placeholder for default value)\n *\n * About ZDM (Zero Default Mode):\n * ZDM is not orchestrated by this class. If the parser is in ZDM,\n * it should add 0 for empty params, otherwise -1. This does not apply\n * to subparams, empty subparams should always be added with -1.\n */\nexport class Params implements IParams {\n  // params store and length\n  public params: Int32Array;\n  public length: number;\n\n  // sub params store and length\n  protected _subParams: Int32Array;\n  protected _subParamsLength: number;\n\n  // sub params offsets from param: param idx --> [start, end] offset\n  private _subParamsIdx: Uint16Array;\n  private _rejectDigits: boolean;\n  private _rejectSubDigits: boolean;\n  private _digitIsSub: boolean;\n\n  /**\n   * Create a `Params` type from JS array representation.\n   */\n  public static fromArray(values: ParamsArray): Params {\n    const params = new Params();\n    if (!values.length) {\n      return params;\n    }\n    // skip leading sub params\n    for (let i = (Array.isArray(values[0])) ? 1 : 0; i < values.length; ++i) {\n      const value = values[i];\n      if (Array.isArray(value)) {\n        for (let k = 0; k < value.length; ++k) {\n          params.addSubParam(value[k]);\n        }\n      } else {\n        params.addParam(value);\n      }\n    }\n    return params;\n  }\n\n  /**\n   * @param maxLength max length of storable parameters\n   * @param maxSubParamsLength max length of storable sub parameters\n   */\n  constructor(public maxLength: number = 32, public maxSubParamsLength: number = 32) {\n    if (maxSubParamsLength > MAX_SUBPARAMS) {\n      throw new Error('maxSubParamsLength must not be greater than 256');\n    }\n    this.params = new Int32Array(maxLength);\n    this.length = 0;\n    this._subParams = new Int32Array(maxSubParamsLength);\n    this._subParamsLength = 0;\n    this._subParamsIdx = new Uint16Array(maxLength);\n    this._rejectDigits = false;\n    this._rejectSubDigits = false;\n    this._digitIsSub = false;\n  }\n\n  /**\n   * Clone object.\n   */\n  public clone(): Params {\n    const newParams = new Params(this.maxLength, this.maxSubParamsLength);\n    newParams.params.set(this.params);\n    newParams.length = this.length;\n    newParams._subParams.set(this._subParams);\n    newParams._subParamsLength = this._subParamsLength;\n    newParams._subParamsIdx.set(this._subParamsIdx);\n    newParams._rejectDigits = this._rejectDigits;\n    newParams._rejectSubDigits = this._rejectSubDigits;\n    newParams._digitIsSub = this._digitIsSub;\n    return newParams;\n  }\n\n  /**\n   * Get a JS array representation of the current parameters and sub parameters.\n   * The array is structured as follows:\n   *    sequence: \"1;2:3:4;5::6\"\n   *    array   : [1, 2, [3, 4], 5, [-1, 6]]\n   */\n  public toArray(): ParamsArray {\n    const res: ParamsArray = [];\n    for (let i = 0; i < this.length; ++i) {\n      res.push(this.params[i]);\n      const start = this._subParamsIdx[i] >> 8;\n      const end = this._subParamsIdx[i] & 0xFF;\n      if (end - start > 0) {\n        res.push(Array.prototype.slice.call(this._subParams, start, end));\n      }\n    }\n    return res;\n  }\n\n  /**\n   * Reset to initial empty state.\n   */\n  public reset(): void {\n    this.length = 0;\n    this._subParamsLength = 0;\n    this._rejectDigits = false;\n    this._rejectSubDigits = false;\n    this._digitIsSub = false;\n  }\n\n  /**\n   * Add a parameter value.\n   * `Params` only stores up to `maxLength` parameters, any later\n   * parameter will be ignored.\n   * Note: VT devices only stored up to 16 values, xterm seems to\n   * store up to 30.\n   */\n  public addParam(value: number): void {\n    this._digitIsSub = false;\n    if (this.length >= this.maxLength) {\n      this._rejectDigits = true;\n      return;\n    }\n    if (value < -1) {\n      throw new Error('values lesser than -1 are not allowed');\n    }\n    this._subParamsIdx[this.length] = this._subParamsLength << 8 | this._subParamsLength;\n    this.params[this.length++] = value > MAX_VALUE ? MAX_VALUE : value;\n  }\n\n  /**\n   * Add a sub parameter value.\n   * The sub parameter is automatically associated with the last parameter value.\n   * Thus it is not possible to add a subparameter without any parameter added yet.\n   * `Params` only stores up to `subParamsLength` sub parameters, any later\n   * sub parameter will be ignored.\n   */\n  public addSubParam(value: number): void {\n    this._digitIsSub = true;\n    if (!this.length) {\n      return;\n    }\n    if (this._rejectDigits || this._subParamsLength >= this.maxSubParamsLength) {\n      this._rejectSubDigits = true;\n      return;\n    }\n    if (value < -1) {\n      throw new Error('values lesser than -1 are not allowed');\n    }\n    this._subParams[this._subParamsLength++] = value > MAX_VALUE ? MAX_VALUE : value;\n    this._subParamsIdx[this.length - 1]++;\n  }\n\n  /**\n   * Whether parameter at index `idx` has sub parameters.\n   */\n  public hasSubParams(idx: number): boolean {\n    return ((this._subParamsIdx[idx] & 0xFF) - (this._subParamsIdx[idx] >> 8) > 0);\n  }\n\n  /**\n   * Return sub parameters for parameter at index `idx`.\n   * Note: The values are borrowed, thus you need to copy\n   * the values if you need to hold them in nonlocal scope.\n   */\n  public getSubParams(idx: number): Int32Array | null {\n    const start = this._subParamsIdx[idx] >> 8;\n    const end = this._subParamsIdx[idx] & 0xFF;\n    if (end - start > 0) {\n      return this._subParams.subarray(start, end);\n    }\n    return null;\n  }\n\n  /**\n   * Return all sub parameters as {idx: subparams} mapping.\n   * Note: The values are not borrowed.\n   */\n  public getSubParamsAll(): {[idx: number]: Int32Array} {\n    const result: {[idx: number]: Int32Array} = {};\n    for (let i = 0; i < this.length; ++i) {\n      const start = this._subParamsIdx[i] >> 8;\n      const end = this._subParamsIdx[i] & 0xFF;\n      if (end - start > 0) {\n        result[i] = this._subParams.slice(start, end);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Add a single digit value to current parameter.\n   * This is used by the parser to account digits on a char by char basis.\n   */\n  public addDigit(value: number): void {\n    let length;\n    if (this._rejectDigits\n      || !(length = this._digitIsSub ? this._subParamsLength : this.length)\n      || (this._digitIsSub && this._rejectSubDigits)\n    ) {\n      return;\n    }\n\n    const store = this._digitIsSub ? this._subParams : this.params;\n    const cur = store[length - 1];\n    store[length - 1] = ~cur ? Math.min(cur * 10 + value, MAX_VALUE) : value;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminalAddon, IDisposable, Terminal } from 'xterm';\n\nexport interface ILoadedAddon {\n  instance: ITerminalAddon;\n  dispose: () => void;\n  isDisposed: boolean;\n}\n\nexport class AddonManager implements IDisposable {\n  protected _addons: ILoadedAddon[] = [];\n\n  public dispose(): void {\n    for (let i = this._addons.length - 1; i >= 0; i--) {\n      this._addons[i].instance.dispose();\n    }\n  }\n\n  public loadAddon(terminal: Terminal, instance: ITerminalAddon): void {\n    const loadedAddon: ILoadedAddon = {\n      instance,\n      dispose: instance.dispose,\n      isDisposed: false\n    };\n    this._addons.push(loadedAddon);\n    instance.dispose = () => this._wrappedAddonDispose(loadedAddon);\n    instance.activate(terminal as any);\n  }\n\n  private _wrappedAddonDispose(loadedAddon: ILoadedAddon): void {\n    if (loadedAddon.isDisposed) {\n      // Do nothing if already disposed\n      return;\n    }\n    let index = -1;\n    for (let i = 0; i < this._addons.length; i++) {\n      if (this._addons[i] === loadedAddon) {\n        index = i;\n        break;\n      }\n    }\n    if (index === -1) {\n      throw new Error('Could not dispose an addon that has not been loaded');\n    }\n    loadedAddon.isDisposed = true;\n    loadedAddon.dispose.apply(loadedAddon.instance);\n    this._addons.splice(index, 1);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBuffer as IBufferApi, IBufferLine as IBufferLineApi, IBufferCell as IBufferCellApi } from 'xterm';\nimport { IBuffer } from 'common/buffer/Types';\nimport { BufferLineApiView } from 'common/public/BufferLineApiView';\nimport { CellData } from 'common/buffer/CellData';\n\nexport class BufferApiView implements IBufferApi {\n  constructor(\n    private _buffer: IBuffer,\n    public readonly type: 'normal' | 'alternate'\n  ) { }\n\n  public init(buffer: IBuffer): BufferApiView {\n    this._buffer = buffer;\n    return this;\n  }\n\n  public get cursorY(): number { return this._buffer.y; }\n  public get cursorX(): number { return this._buffer.x; }\n  public get viewportY(): number { return this._buffer.ydisp; }\n  public get baseY(): number { return this._buffer.ybase; }\n  public get length(): number { return this._buffer.lines.length; }\n  public getLine(y: number): IBufferLineApi | undefined {\n    const line = this._buffer.lines.get(y);\n    if (!line) {\n      return undefined;\n    }\n    return new BufferLineApiView(line);\n  }\n  public getNullCell(): IBufferCellApi { return new CellData(); }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferLine, ICellData } from 'common/Types';\nimport { IBufferCell as IBufferCellApi, IBufferLine as IBufferLineApi } from 'xterm';\n\nexport class BufferLineApiView implements IBufferLineApi {\n  constructor(private _line: IBufferLine) { }\n\n  public get isWrapped(): boolean { return this._line.isWrapped; }\n  public get length(): number { return this._line.length; }\n  public getCell(x: number, cell?: IBufferCellApi): IBufferCellApi | undefined {\n    if (x < 0 || x >= this._line.length) {\n      return undefined;\n    }\n\n    if (cell) {\n      this._line.loadCell(x, cell as ICellData);\n      return cell;\n    }\n    return this._line.loadCell(x, new CellData());\n  }\n  public translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string {\n    return this._line.translateToString(trimRight, startColumn, endColumn);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBuffer as IBufferApi, IBufferNamespace as IBufferNamespaceApi } from 'xterm';\nimport { BufferApiView } from 'common/public/BufferApiView';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { ICoreTerminal } from 'common/Types';\nimport { Disposable } from 'common/Lifecycle';\n\nexport class BufferNamespaceApi extends Disposable implements IBufferNamespaceApi {\n  private _normal: BufferApiView;\n  private _alternate: BufferApiView;\n\n  private readonly _onBufferChange = this.register(new EventEmitter<IBufferApi>());\n  public readonly onBufferChange = this._onBufferChange.event;\n\n  constructor(private _core: ICoreTerminal) {\n    super();\n    this._normal = new BufferApiView(this._core.buffers.normal, 'normal');\n    this._alternate = new BufferApiView(this._core.buffers.alt, 'alternate');\n    this._core.buffers.onBufferActivate(() => this._onBufferChange.fire(this.active));\n  }\n  public get active(): IBufferApi {\n    if (this._core.buffers.active === this._core.buffers.normal) { return this.normal; }\n    if (this._core.buffers.active === this._core.buffers.alt) { return this.alternate; }\n    throw new Error('Active buffer is neither normal nor alternate');\n  }\n  public get normal(): IBufferApi {\n    return this._normal.init(this._core.buffers.normal);\n  }\n  public get alternate(): IBufferApi {\n    return this._alternate.init(this._core.buffers.alt);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IParams } from 'common/parser/Types';\nimport { IDisposable, IFunctionIdentifier, IParser } from 'xterm';\nimport { ICoreTerminal } from 'common/Types';\n\nexport class ParserApi implements IParser {\n  constructor(private _core: ICoreTerminal) { }\n\n  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerCsiHandler(id, (params: IParams) => callback(params.toArray()));\n  }\n  public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this.registerCsiHandler(id, callback);\n  }\n  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray()));\n  }\n  public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {\n    return this.registerDcsHandler(id, callback);\n  }\n  public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerEscHandler(id, handler);\n  }\n  public addEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {\n    return this.registerEscHandler(id, handler);\n  }\n  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this._core.registerOscHandler(ident, callback);\n  }\n  public addOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {\n    return this.registerOscHandler(ident, callback);\n  }\n}\n","/**\n * Copyright (c) 2021 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICoreTerminal } from 'common/Types';\nimport { IUnicodeHandling, IUnicodeVersionProvider } from 'xterm';\n\nexport class UnicodeApi implements IUnicodeHandling {\n  constructor(private _core: ICoreTerminal) { }\n\n  public register(provider: IUnicodeVersionProvider): void {\n    this._core.unicodeService.register(provider);\n  }\n\n  public get versions(): string[] {\n    return this._core.unicodeService.versions;\n  }\n\n  public get activeVersion(): string {\n    return this._core.unicodeService.activeVersion;\n  }\n\n  public set activeVersion(version: string) {\n    this._core.unicodeService.activeVersion = version;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IAttributeData, IBufferLine, ScrollSource } from 'common/Types';\nimport { BufferSet } from 'common/buffer/BufferSet';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nexport const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars\nexport const MINIMUM_ROWS = 1;\n\nexport class BufferService extends Disposable implements IBufferService {\n  public serviceBrand: any;\n\n  public cols: number;\n  public rows: number;\n  public buffers: IBufferSet;\n  /** Whether the user is scrolling (locks the scroll position) */\n  public isUserScrolling: boolean = false;\n\n  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());\n  public readonly onResize = this._onResize.event;\n  private readonly _onScroll = this.register(new EventEmitter<number>());\n  public readonly onScroll = this._onScroll.event;\n\n  public get buffer(): IBuffer { return this.buffers.active; }\n\n  /** An IBufferline to clone/copy from for new blank lines */\n  private _cachedBlankLine: IBufferLine | undefined;\n\n  constructor(@IOptionsService optionsService: IOptionsService) {\n    super();\n    this.cols = Math.max(optionsService.rawOptions.cols || 0, MINIMUM_COLS);\n    this.rows = Math.max(optionsService.rawOptions.rows || 0, MINIMUM_ROWS);\n    this.buffers = this.register(new BufferSet(optionsService, this));\n  }\n\n  public resize(cols: number, rows: number): void {\n    this.cols = cols;\n    this.rows = rows;\n    this.buffers.resize(cols, rows);\n    // TODO: This doesn't fire when scrollback changes - add a resize event to BufferSet and forward\n    //       event\n    this._onResize.fire({ cols, rows });\n  }\n\n  public reset(): void {\n    this.buffers.reset();\n    this.isUserScrolling = false;\n  }\n\n  /**\n   * Scroll the terminal down 1 row, creating a blank line.\n   * @param eraseAttr The attribute data to use the for blank line.\n   * @param isWrapped Whether the new line is wrapped from the previous line.\n   */\n  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {\n    const buffer = this.buffer;\n\n    let newLine: IBufferLine | undefined;\n    newLine = this._cachedBlankLine;\n    if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {\n      newLine = buffer.getBlankLine(eraseAttr, isWrapped);\n      this._cachedBlankLine = newLine;\n    }\n    newLine.isWrapped = isWrapped;\n\n    const topRow = buffer.ybase + buffer.scrollTop;\n    const bottomRow = buffer.ybase + buffer.scrollBottom;\n\n    if (buffer.scrollTop === 0) {\n      // Determine whether the buffer is going to be trimmed after insertion.\n      const willBufferBeTrimmed = buffer.lines.isFull;\n\n      // Insert the line using the fastest method\n      if (bottomRow === buffer.lines.length - 1) {\n        if (willBufferBeTrimmed) {\n          buffer.lines.recycle().copyFrom(newLine);\n        } else {\n          buffer.lines.push(newLine.clone());\n        }\n      } else {\n        buffer.lines.splice(bottomRow + 1, 0, newLine.clone());\n      }\n\n      // Only adjust ybase and ydisp when the buffer is not trimmed\n      if (!willBufferBeTrimmed) {\n        buffer.ybase++;\n        // Only scroll the ydisp with ybase if the user has not scrolled up\n        if (!this.isUserScrolling) {\n          buffer.ydisp++;\n        }\n      } else {\n        // When the buffer is full and the user has scrolled up, keep the text\n        // stable unless ydisp is right at the top\n        if (this.isUserScrolling) {\n          buffer.ydisp = Math.max(buffer.ydisp - 1, 0);\n        }\n      }\n    } else {\n      // scrollTop is non-zero which means no line will be going to the\n      // scrollback, instead we can just shift them in-place.\n      const scrollRegionHeight = bottomRow - topRow + 1 /* as it's zero-based */;\n      buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);\n      buffer.lines.set(bottomRow, newLine.clone());\n    }\n\n    // Move the viewport to the bottom of the buffer unless the user is\n    // scrolling.\n    if (!this.isUserScrolling) {\n      buffer.ydisp = buffer.ybase;\n    }\n\n    this._onScroll.fire(buffer.ydisp);\n  }\n\n  /**\n   * Scroll the display of the terminal\n   * @param disp The number of lines to scroll down (negative scroll up).\n   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used\n   * to avoid unwanted events being handled by the viewport when the event was triggered from the\n   * viewport originally.\n   */\n  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {\n    const buffer = this.buffer;\n    if (disp < 0) {\n      if (buffer.ydisp === 0) {\n        return;\n      }\n      this.isUserScrolling = true;\n    } else if (disp + buffer.ydisp >= buffer.ybase) {\n      this.isUserScrolling = false;\n    }\n\n    const oldYdisp = buffer.ydisp;\n    buffer.ydisp = Math.max(Math.min(buffer.ydisp + disp, buffer.ybase), 0);\n\n    // No change occurred, don't trigger scroll/refresh\n    if (oldYdisp === buffer.ydisp) {\n      return;\n    }\n\n    if (!suppressScrollEvent) {\n      this._onScroll.fire(buffer.ydisp);\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharsetService } from 'common/services/Services';\nimport { ICharset } from 'common/Types';\n\nexport class CharsetService implements ICharsetService {\n  public serviceBrand: any;\n\n  public charset: ICharset | undefined;\n  public glevel: number = 0;\n\n  private _charsets: (ICharset | undefined)[] = [];\n\n  public reset(): void {\n    this.charset = undefined;\n    this._charsets = [];\n    this.glevel = 0;\n  }\n\n  public setgLevel(g: number): void {\n    this.glevel = g;\n    this.charset = this._charsets[g];\n  }\n\n  public setgCharset(g: number, charset: ICharset | undefined): void {\n    this._charsets[g] = charset;\n    if (this.glevel === g) {\n      this.charset = charset;\n    }\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IBufferService, ICoreService, ICoreMouseService } from 'common/services/Services';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { ICoreMouseProtocol, ICoreMouseEvent, CoreMouseEncoding, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';\nimport { Disposable } from 'common/Lifecycle';\n\n/**\n * Supported default protocols.\n */\nconst DEFAULT_PROTOCOLS: { [key: string]: ICoreMouseProtocol } = {\n  /**\n   * NONE\n   * Events: none\n   * Modifiers: none\n   */\n  NONE: {\n    events: CoreMouseEventType.NONE,\n    restrict: () => false\n  },\n  /**\n   * X10\n   * Events: mousedown\n   * Modifiers: none\n   */\n  X10: {\n    events: CoreMouseEventType.DOWN,\n    restrict: (e: ICoreMouseEvent) => {\n      // no wheel, no move, no up\n      if (e.button === CoreMouseButton.WHEEL || e.action !== CoreMouseAction.DOWN) {\n        return false;\n      }\n      // no modifiers\n      e.ctrl = false;\n      e.alt = false;\n      e.shift = false;\n      return true;\n    }\n  },\n  /**\n   * VT200\n   * Events: mousedown / mouseup / wheel\n   * Modifiers: all\n   */\n  VT200: {\n    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL,\n    restrict: (e: ICoreMouseEvent) => {\n      // no move\n      if (e.action === CoreMouseAction.MOVE) {\n        return false;\n      }\n      return true;\n    }\n  },\n  /**\n   * DRAG\n   * Events: mousedown / mouseup / wheel / mousedrag\n   * Modifiers: all\n   */\n  DRAG: {\n    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL | CoreMouseEventType.DRAG,\n    restrict: (e: ICoreMouseEvent) => {\n      // no move without button\n      if (e.action === CoreMouseAction.MOVE && e.button === CoreMouseButton.NONE) {\n        return false;\n      }\n      return true;\n    }\n  },\n  /**\n   * ANY\n   * Events: all mouse related events\n   * Modifiers: all\n   */\n  ANY: {\n    events:\n      CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL\n      | CoreMouseEventType.DRAG | CoreMouseEventType.MOVE,\n    restrict: (e: ICoreMouseEvent) => true\n  }\n};\n\nconst enum Modifiers {\n  SHIFT = 4,\n  ALT = 8,\n  CTRL = 16\n}\n\n// helper for default encoders to generate the event code.\nfunction eventCode(e: ICoreMouseEvent, isSGR: boolean): number {\n  let code = (e.ctrl ? Modifiers.CTRL : 0) | (e.shift ? Modifiers.SHIFT : 0) | (e.alt ? Modifiers.ALT : 0);\n  if (e.button === CoreMouseButton.WHEEL) {\n    code |= 64;\n    code |= e.action;\n  } else {\n    code |= e.button & 3;\n    if (e.button & 4) {\n      code |= 64;\n    }\n    if (e.button & 8) {\n      code |= 128;\n    }\n    if (e.action === CoreMouseAction.MOVE) {\n      code |= CoreMouseAction.MOVE;\n    } else if (e.action === CoreMouseAction.UP && !isSGR) {\n      // special case - only SGR can report button on release\n      // all others have to go with NONE\n      code |= CoreMouseButton.NONE;\n    }\n  }\n  return code;\n}\n\nconst S = String.fromCharCode;\n\n/**\n * Supported default encodings.\n */\nconst DEFAULT_ENCODINGS: { [key: string]: CoreMouseEncoding } = {\n  /**\n   * DEFAULT - CSI M Pb Px Py\n   * Single byte encoding for coords and event code.\n   * Can encode values up to 223 (1-based).\n   */\n  DEFAULT: (e: ICoreMouseEvent) => {\n    const params = [eventCode(e, false) + 32, e.col + 32, e.row + 32];\n    // supress mouse report if we exceed addressible range\n    // Note this is handled differently by emulators\n    // - xterm:         sends 0;0 coords instead\n    // - vte, konsole:  no report\n    if (params[0] > 255 || params[1] > 255 || params[2] > 255) {\n      return '';\n    }\n    return `\\x1b[M${S(params[0])}${S(params[1])}${S(params[2])}`;\n  },\n  /**\n   * SGR - CSI < Pb ; Px ; Py M|m\n   * No encoding limitation.\n   * Can report button on release and works with a well formed sequence.\n   */\n  SGR: (e: ICoreMouseEvent) => {\n    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';\n    return `\\x1b[<${eventCode(e, true)};${e.col};${e.row}${final}`;\n  },\n  SGR_PIXELS: (e: ICoreMouseEvent) => {\n    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';\n    return `\\x1b[<${eventCode(e, true)};${e.x};${e.y}${final}`;\n  }\n};\n\n/**\n * CoreMouseService\n *\n * Provides mouse tracking reports with different protocols and encodings.\n *  - protocols: NONE (default), X10, VT200, DRAG, ANY\n *  - encodings: DEFAULT, SGR (UTF8, URXVT removed in #2507)\n *\n * Custom protocols/encodings can be added by `addProtocol` / `addEncoding`.\n * To activate a protocol/encoding, set `activeProtocol` / `activeEncoding`.\n * Switching a protocol will send a notification event `onProtocolChange`\n * with a list of needed events to track.\n *\n * The service handles the mouse tracking state and decides whether to send\n * a tracking report to the backend based on protocol and encoding limitations.\n * To send a mouse event call `triggerMouseEvent`.\n */\nexport class CoreMouseService extends Disposable implements ICoreMouseService {\n  private _protocols: { [name: string]: ICoreMouseProtocol } = {};\n  private _encodings: { [name: string]: CoreMouseEncoding } = {};\n  private _activeProtocol: string = '';\n  private _activeEncoding: string = '';\n  private _lastEvent: ICoreMouseEvent | null = null;\n\n  private readonly _onProtocolChange = this.register(new EventEmitter<CoreMouseEventType>());\n  public readonly onProtocolChange =  this._onProtocolChange.event;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ICoreService private readonly _coreService: ICoreService\n  ) {\n    super();\n    // register default protocols and encodings\n    for (const name of Object.keys(DEFAULT_PROTOCOLS)) this.addProtocol(name, DEFAULT_PROTOCOLS[name]);\n    for (const name of Object.keys(DEFAULT_ENCODINGS)) this.addEncoding(name, DEFAULT_ENCODINGS[name]);\n    // call reset to set defaults\n    this.reset();\n  }\n\n  public addProtocol(name: string, protocol: ICoreMouseProtocol): void {\n    this._protocols[name] = protocol;\n  }\n\n  public addEncoding(name: string, encoding: CoreMouseEncoding): void {\n    this._encodings[name] = encoding;\n  }\n\n  public get activeProtocol(): string {\n    return this._activeProtocol;\n  }\n\n  public get areMouseEventsActive(): boolean {\n    return this._protocols[this._activeProtocol].events !== 0;\n  }\n\n  public set activeProtocol(name: string) {\n    if (!this._protocols[name]) {\n      throw new Error(`unknown protocol \"${name}\"`);\n    }\n    this._activeProtocol = name;\n    this._onProtocolChange.fire(this._protocols[name].events);\n  }\n\n  public get activeEncoding(): string {\n    return this._activeEncoding;\n  }\n\n  public set activeEncoding(name: string) {\n    if (!this._encodings[name]) {\n      throw new Error(`unknown encoding \"${name}\"`);\n    }\n    this._activeEncoding = name;\n  }\n\n  public reset(): void {\n    this.activeProtocol = 'NONE';\n    this.activeEncoding = 'DEFAULT';\n    this._lastEvent = null;\n  }\n\n  /**\n   * Triggers a mouse event to be sent.\n   *\n   * Returns true if the event passed all protocol restrictions and a report\n   * was sent, otherwise false. The return value may be used to decide whether\n   * the default event action in the bowser component should be omitted.\n   *\n   * Note: The method will change values of the given event object\n   * to fullfill protocol and encoding restrictions.\n   */\n  public triggerMouseEvent(e: ICoreMouseEvent): boolean {\n    // range check for col/row\n    if (e.col < 0 || e.col >= this._bufferService.cols\n      || e.row < 0 || e.row >= this._bufferService.rows) {\n      return false;\n    }\n\n    // filter nonsense combinations of button + action\n    if (e.button === CoreMouseButton.WHEEL && e.action === CoreMouseAction.MOVE) {\n      return false;\n    }\n    if (e.button === CoreMouseButton.NONE && e.action !== CoreMouseAction.MOVE) {\n      return false;\n    }\n    if (e.button !== CoreMouseButton.WHEEL && (e.action === CoreMouseAction.LEFT || e.action === CoreMouseAction.RIGHT)) {\n      return false;\n    }\n\n    // report 1-based coords\n    e.col++;\n    e.row++;\n\n    // debounce move events at grid or pixel level\n    if (e.action === CoreMouseAction.MOVE\n      && this._lastEvent\n      && this._equalEvents(this._lastEvent, e, this._activeEncoding === 'SGR_PIXELS')\n    ) {\n      return false;\n    }\n\n    // apply protocol restrictions\n    if (!this._protocols[this._activeProtocol].restrict(e)) {\n      return false;\n    }\n\n    // encode report and send\n    const report = this._encodings[this._activeEncoding](e);\n    if (report) {\n      // always send DEFAULT as binary data\n      if (this._activeEncoding === 'DEFAULT') {\n        this._coreService.triggerBinaryEvent(report);\n      } else {\n        this._coreService.triggerDataEvent(report, true);\n      }\n    }\n\n    this._lastEvent = e;\n\n    return true;\n  }\n\n  public explainEvents(events: CoreMouseEventType): { [event: string]: boolean } {\n    return {\n      down: !!(events & CoreMouseEventType.DOWN),\n      up: !!(events & CoreMouseEventType.UP),\n      drag: !!(events & CoreMouseEventType.DRAG),\n      move: !!(events & CoreMouseEventType.MOVE),\n      wheel: !!(events & CoreMouseEventType.WHEEL)\n    };\n  }\n\n  private _equalEvents(e1: ICoreMouseEvent, e2: ICoreMouseEvent, pixels: boolean): boolean {\n    if (pixels) {\n      if (e1.x !== e2.x) return false;\n      if (e1.y !== e2.y) return false;\n    } else {\n      if (e1.col !== e2.col) return false;\n      if (e1.row !== e2.row) return false;\n    }\n    if (e1.button !== e2.button) return false;\n    if (e1.action !== e2.action) return false;\n    if (e1.ctrl !== e2.ctrl) return false;\n    if (e1.alt !== e2.alt) return false;\n    if (e1.shift !== e2.shift) return false;\n    return true;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { clone } from 'common/Clone';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IDecPrivateModes, IModes } from 'common/Types';\nimport { IBufferService, ICoreService, ILogService, IOptionsService } from 'common/services/Services';\n\nconst DEFAULT_MODES: IModes = Object.freeze({\n  insertMode: false\n});\n\nconst DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({\n  applicationCursorKeys: false,\n  applicationKeypad: false,\n  bracketedPasteMode: false,\n  origin: false,\n  reverseWraparound: false,\n  sendFocus: false,\n  wraparound: true // defaults: xterm - true, vt100 - false\n});\n\nexport class CoreService extends Disposable implements ICoreService {\n  public serviceBrand: any;\n\n  public isCursorInitialized: boolean = false;\n  public isCursorHidden: boolean = false;\n  public modes: IModes;\n  public decPrivateModes: IDecPrivateModes;\n\n  private readonly _onData = this.register(new EventEmitter<string>());\n  public readonly onData = this._onData.event;\n  private readonly _onUserInput = this.register(new EventEmitter<void>());\n  public readonly onUserInput = this._onUserInput.event;\n  private readonly _onBinary = this.register(new EventEmitter<string>());\n  public readonly onBinary = this._onBinary.event;\n  private readonly _onRequestScrollToBottom = this.register(new EventEmitter<void>());\n  public readonly onRequestScrollToBottom = this._onRequestScrollToBottom.event;\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService,\n    @ILogService private readonly _logService: ILogService,\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n    this.modes = clone(DEFAULT_MODES);\n    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);\n  }\n\n  public reset(): void {\n    this.modes = clone(DEFAULT_MODES);\n    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);\n  }\n\n  public triggerDataEvent(data: string, wasUserInput: boolean = false): void {\n    // Prevents all events to pty process if stdin is disabled\n    if (this._optionsService.rawOptions.disableStdin) {\n      return;\n    }\n\n    // Input is being sent to the terminal, the terminal should focus the prompt.\n    const buffer = this._bufferService.buffer;\n    if (wasUserInput && this._optionsService.rawOptions.scrollOnUserInput && buffer.ybase !== buffer.ydisp) {\n      this._onRequestScrollToBottom.fire();\n    }\n\n    // Fire onUserInput so listeners can react as well (eg. clear selection)\n    if (wasUserInput) {\n      this._onUserInput.fire();\n    }\n\n    // Fire onData API\n    this._logService.debug(`sending data \"${data}\"`, () => data.split('').map(e => e.charCodeAt(0)));\n    this._onData.fire(data);\n  }\n\n  public triggerBinaryEvent(data: string): void {\n    if (this._optionsService.rawOptions.disableStdin) {\n      return;\n    }\n    this._logService.debug(`sending binary \"${data}\"`, () => data.split('').map(e => e.charCodeAt(0)));\n    this._onBinary.fire(data);\n  }\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { css } from 'common/Color';\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable, toDisposable } from 'common/Lifecycle';\nimport { IDecorationService, IInternalDecoration } from 'common/services/Services';\nimport { SortedList } from 'common/SortedList';\nimport { IColor } from 'common/Types';\nimport { IDecoration, IDecorationOptions, IMarker } from 'xterm';\n\n// Work variables to avoid garbage collection\nlet $xmin = 0;\nlet $xmax = 0;\n\nexport class DecorationService extends Disposable implements IDecorationService {\n  public serviceBrand: any;\n\n  /**\n   * A list of all decorations, sorted by the marker's line value. This relies on the fact that\n   * while marker line values do change, they should all change by the same amount so this should\n   * never become out of order.\n   */\n  private readonly _decorations: SortedList<IInternalDecoration> = new SortedList(e => e?.marker.line);\n\n  private readonly _onDecorationRegistered = this.register(new EventEmitter<IInternalDecoration>());\n  public readonly onDecorationRegistered = this._onDecorationRegistered.event;\n  private readonly _onDecorationRemoved = this.register(new EventEmitter<IInternalDecoration>());\n  public readonly onDecorationRemoved = this._onDecorationRemoved.event;\n\n  public get decorations(): IterableIterator<IInternalDecoration> { return this._decorations.values(); }\n\n  constructor() {\n    super();\n\n    this.register(toDisposable(() => this.reset()));\n  }\n\n  public registerDecoration(options: IDecorationOptions): IDecoration | undefined {\n    if (options.marker.isDisposed) {\n      return undefined;\n    }\n    const decoration = new Decoration(options);\n    if (decoration) {\n      const markerDispose = decoration.marker.onDispose(() => decoration.dispose());\n      decoration.onDispose(() => {\n        if (decoration) {\n          if (this._decorations.delete(decoration)) {\n            this._onDecorationRemoved.fire(decoration);\n          }\n          markerDispose.dispose();\n        }\n      });\n      this._decorations.insert(decoration);\n      this._onDecorationRegistered.fire(decoration);\n    }\n    return decoration;\n  }\n\n  public reset(): void {\n    for (const d of this._decorations.values()) {\n      d.dispose();\n    }\n    this._decorations.clear();\n  }\n\n  public *getDecorationsAtCell(x: number, line: number, layer?: 'bottom' | 'top'): IterableIterator<IInternalDecoration> {\n    let xmin = 0;\n    let xmax = 0;\n    for (const d of this._decorations.getKeyIterator(line)) {\n      xmin = d.options.x ?? 0;\n      xmax = xmin + (d.options.width ?? 1);\n      if (x >= xmin && x < xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {\n        yield d;\n      }\n    }\n  }\n\n  public forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void {\n    this._decorations.forEachByKey(line, d => {\n      $xmin = d.options.x ?? 0;\n      $xmax = $xmin + (d.options.width ?? 1);\n      if (x >= $xmin && x < $xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {\n        callback(d);\n      }\n    });\n  }\n}\n\nclass Decoration extends Disposable implements IInternalDecoration {\n  public readonly marker: IMarker;\n  public element: HTMLElement | undefined;\n  public get isDisposed(): boolean { return this._isDisposed; }\n\n  public readonly onRenderEmitter = this.register(new EventEmitter<HTMLElement>());\n  public readonly onRender = this.onRenderEmitter.event;\n  private readonly _onDispose = this.register(new EventEmitter<void>());\n  public readonly onDispose = this._onDispose.event;\n\n  private _cachedBg: IColor | undefined | null = null;\n  public get backgroundColorRGB(): IColor | undefined {\n    if (this._cachedBg === null) {\n      if (this.options.backgroundColor) {\n        this._cachedBg = css.toColor(this.options.backgroundColor);\n      } else {\n        this._cachedBg = undefined;\n      }\n    }\n    return this._cachedBg;\n  }\n\n  private _cachedFg: IColor | undefined | null = null;\n  public get foregroundColorRGB(): IColor | undefined {\n    if (this._cachedFg === null) {\n      if (this.options.foregroundColor) {\n        this._cachedFg = css.toColor(this.options.foregroundColor);\n      } else {\n        this._cachedFg = undefined;\n      }\n    }\n    return this._cachedFg;\n  }\n\n  constructor(\n    public readonly options: IDecorationOptions\n  ) {\n    super();\n    this.marker = options.marker;\n    if (this.options.overviewRulerOptions && !this.options.overviewRulerOptions.position) {\n      this.options.overviewRulerOptions.position = 'full';\n    }\n  }\n\n  public override dispose(): void {\n    this._onDispose.fire();\n    super.dispose();\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IInstantiationService, IServiceIdentifier } from 'common/services/Services';\nimport { getServiceDependencies } from 'common/services/ServiceRegistry';\n\nexport class ServiceCollection {\n\n  private _entries = new Map<IServiceIdentifier<any>, any>();\n\n  constructor(...entries: [IServiceIdentifier<any>, any][]) {\n    for (const [id, service] of entries) {\n      this.set(id, service);\n    }\n  }\n\n  public set<T>(id: IServiceIdentifier<T>, instance: T): T {\n    const result = this._entries.get(id);\n    this._entries.set(id, instance);\n    return result;\n  }\n\n  public forEach(callback: (id: IServiceIdentifier<any>, instance: any) => any): void {\n    for (const [key, value] of this._entries.entries()) {\n      callback(key, value);\n    }\n  }\n\n  public has(id: IServiceIdentifier<any>): boolean {\n    return this._entries.has(id);\n  }\n\n  public get<T>(id: IServiceIdentifier<T>): T | undefined {\n    return this._entries.get(id);\n  }\n}\n\nexport class InstantiationService implements IInstantiationService {\n  public serviceBrand: undefined;\n\n  private readonly _services: ServiceCollection = new ServiceCollection();\n\n  constructor() {\n    this._services.set(IInstantiationService, this);\n  }\n\n  public setService<T>(id: IServiceIdentifier<T>, instance: T): void {\n    this._services.set(id, instance);\n  }\n\n  public getService<T>(id: IServiceIdentifier<T>): T | undefined {\n    return this._services.get(id);\n  }\n\n  public createInstance<T>(ctor: any, ...args: any[]): T {\n    const serviceDependencies = getServiceDependencies(ctor).sort((a, b) => a.index - b.index);\n\n    const serviceArgs: any[] = [];\n    for (const dependency of serviceDependencies) {\n      const service = this._services.get(dependency.id);\n      if (!service) {\n        throw new Error(`[createInstance] ${ctor.name} depends on UNKNOWN service ${dependency.id}.`);\n      }\n      serviceArgs.push(service);\n    }\n\n    const firstServiceArgPos = serviceDependencies.length > 0 ? serviceDependencies[0].index : args.length;\n\n    // check for argument mismatches, adjust static args if needed\n    if (args.length !== firstServiceArgPos) {\n      throw new Error(`[createInstance] First service dependency of ${ctor.name} at position ${firstServiceArgPos + 1} conflicts with ${args.length} static arguments`);\n    }\n\n    // now create the instance\n    return new ctor(...[...args, ...serviceArgs]);\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from 'common/Lifecycle';\nimport { ILogService, IOptionsService, LogLevelEnum } from 'common/services/Services';\n\ntype LogType = (message?: any, ...optionalParams: any[]) => void;\n\ninterface IConsole {\n  log: LogType;\n  error: LogType;\n  info: LogType;\n  trace: LogType;\n  warn: LogType;\n}\n\n// console is available on both node.js and browser contexts but the common\n// module doesn't depend on them so we need to explicitly declare it.\ndeclare const console: IConsole;\n\nconst optionsKeyToLogLevel: { [key: string]: LogLevelEnum } = {\n  trace: LogLevelEnum.TRACE,\n  debug: LogLevelEnum.DEBUG,\n  info: LogLevelEnum.INFO,\n  warn: LogLevelEnum.WARN,\n  error: LogLevelEnum.ERROR,\n  off: LogLevelEnum.OFF\n};\n\nconst LOG_PREFIX = 'xterm.js: ';\n\nexport class LogService extends Disposable implements ILogService {\n  public serviceBrand: any;\n\n  private _logLevel: LogLevelEnum = LogLevelEnum.OFF;\n  public get logLevel(): LogLevelEnum { return this._logLevel; }\n\n  constructor(\n    @IOptionsService private readonly _optionsService: IOptionsService\n  ) {\n    super();\n    this._updateLogLevel();\n    this.register(this._optionsService.onSpecificOptionChange('logLevel', () => this._updateLogLevel()));\n\n    // For trace logging, assume the latest created log service is valid\n    traceLogger = this;\n  }\n\n  private _updateLogLevel(): void {\n    this._logLevel = optionsKeyToLogLevel[this._optionsService.rawOptions.logLevel];\n  }\n\n  private _evalLazyOptionalParams(optionalParams: any[]): void {\n    for (let i = 0; i < optionalParams.length; i++) {\n      if (typeof optionalParams[i] === 'function') {\n        optionalParams[i] = optionalParams[i]();\n      }\n    }\n  }\n\n  private _log(type: LogType, message: string, optionalParams: any[]): void {\n    this._evalLazyOptionalParams(optionalParams);\n    type.call(console, (this._optionsService.options.logger ? '' : LOG_PREFIX) + message, ...optionalParams);\n  }\n\n  public trace(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.TRACE) {\n      this._log(this._optionsService.options.logger?.trace.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);\n    }\n  }\n\n  public debug(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.DEBUG) {\n      this._log(this._optionsService.options.logger?.debug.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);\n    }\n  }\n\n  public info(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.INFO) {\n      this._log(this._optionsService.options.logger?.info.bind(this._optionsService.options.logger) ?? console.info, message, optionalParams);\n    }\n  }\n\n  public warn(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.WARN) {\n      this._log(this._optionsService.options.logger?.warn.bind(this._optionsService.options.logger) ?? console.warn, message, optionalParams);\n    }\n  }\n\n  public error(message: string, ...optionalParams: any[]): void {\n    if (this._logLevel <= LogLevelEnum.ERROR) {\n      this._log(this._optionsService.options.logger?.error.bind(this._optionsService.options.logger) ?? console.error, message, optionalParams);\n    }\n  }\n}\n\nlet traceLogger: ILogService;\nexport function setTraceLogger(logger: ILogService): void {\n  traceLogger = logger;\n}\n\n/**\n * A decorator that can be used to automatically log trace calls to the decorated function.\n */\nexport function traceCall(_target: any, key: string, descriptor: any): any {\n  if (typeof descriptor.value !== 'function') {\n    throw new Error('not supported');\n  }\n  const fnKey = 'value';\n  const fn = descriptor.value;\n  descriptor[fnKey] = function (...args: any[]) {\n    // Early exit\n    if (traceLogger.logLevel !== LogLevelEnum.TRACE) {\n      return fn.apply(this, args);\n    }\n\n    traceLogger.trace(`GlyphRenderer#${fn.name}(${args.map(e => JSON.stringify(e)).join(', ')})`);\n    const result = fn.apply(this, args);\n    traceLogger.trace(`GlyphRenderer#${fn.name} return`, result);\n    return result;\n  };\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { isMac } from 'common/Platform';\nimport { CursorStyle, IDisposable } from 'common/Types';\nimport { FontWeight, IOptionsService, ITerminalOptions } from 'common/services/Services';\n\nexport const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {\n  cols: 80,\n  rows: 24,\n  cursorBlink: false,\n  cursorStyle: 'block',\n  cursorWidth: 1,\n  cursorInactiveStyle: 'outline',\n  customGlyphs: true,\n  drawBoldTextInBrightColors: true,\n  fastScrollModifier: 'alt',\n  fastScrollSensitivity: 5,\n  fontFamily: 'courier-new, courier, monospace',\n  fontSize: 15,\n  fontWeight: 'normal',\n  fontWeightBold: 'bold',\n  ignoreBracketedPasteMode: false,\n  lineHeight: 1.0,\n  letterSpacing: 0,\n  linkHandler: null,\n  logLevel: 'info',\n  logger: null,\n  scrollback: 1000,\n  scrollOnUserInput: true,\n  scrollSensitivity: 1,\n  screenReaderMode: false,\n  smoothScrollDuration: 0,\n  macOptionIsMeta: false,\n  macOptionClickForcesSelection: false,\n  minimumContrastRatio: 1,\n  disableStdin: false,\n  allowProposedApi: false,\n  allowTransparency: false,\n  tabStopWidth: 8,\n  theme: {},\n  rightClickSelectsWord: isMac,\n  windowOptions: {},\n  windowsMode: false,\n  windowsPty: {},\n  wordSeparator: ' ()[]{}\\',\"`',\n  altClickMovesCursor: true,\n  convertEol: false,\n  termName: 'xterm',\n  cancelEvents: false,\n  overviewRulerWidth: 0\n};\n\nconst FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'];\n\nexport class OptionsService extends Disposable implements IOptionsService {\n  public serviceBrand: any;\n\n  public readonly rawOptions: Required<ITerminalOptions>;\n  public options: Required<ITerminalOptions>;\n\n  private readonly _onOptionChange = this.register(new EventEmitter<keyof ITerminalOptions>());\n  public readonly onOptionChange = this._onOptionChange.event;\n\n  constructor(options: Partial<ITerminalOptions>) {\n    super();\n    // set the default value of each option\n    const defaultOptions = { ...DEFAULT_OPTIONS };\n    for (const key in options) {\n      if (key in defaultOptions) {\n        try {\n          const newValue = options[key];\n          defaultOptions[key] = this._sanitizeAndValidateOption(key, newValue);\n        } catch (e) {\n          console.error(e);\n        }\n      }\n    }\n\n    // set up getters and setters for each option\n    this.rawOptions = defaultOptions;\n    this.options = { ... defaultOptions };\n    this._setupOptions();\n  }\n\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  public onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (value: ITerminalOptions[T]) => any): IDisposable {\n    return this.onOptionChange(eventKey => {\n      if (eventKey === key) {\n        listener(this.rawOptions[key]);\n      }\n    });\n  }\n\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  public onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable {\n    return this.onOptionChange(eventKey => {\n      if (keys.indexOf(eventKey) !== -1) {\n        listener();\n      }\n    });\n  }\n\n  private _setupOptions(): void {\n    const getter = (propName: string): any => {\n      if (!(propName in DEFAULT_OPTIONS)) {\n        throw new Error(`No option with key \"${propName}\"`);\n      }\n      return this.rawOptions[propName];\n    };\n\n    const setter = (propName: string, value: any): void => {\n      if (!(propName in DEFAULT_OPTIONS)) {\n        throw new Error(`No option with key \"${propName}\"`);\n      }\n\n      value = this._sanitizeAndValidateOption(propName, value);\n      // Don't fire an option change event if they didn't change\n      if (this.rawOptions[propName] !== value) {\n        this.rawOptions[propName] = value;\n        this._onOptionChange.fire(propName);\n      }\n    };\n\n    for (const propName in this.rawOptions) {\n      const desc = {\n        get: getter.bind(this, propName),\n        set: setter.bind(this, propName)\n      };\n      Object.defineProperty(this.options, propName, desc);\n    }\n  }\n\n  private _sanitizeAndValidateOption(key: string, value: any): any {\n    switch (key) {\n      case 'cursorStyle':\n        if (!value) {\n          value = DEFAULT_OPTIONS[key];\n        }\n        if (!isCursorStyle(value)) {\n          throw new Error(`\"${value}\" is not a valid value for ${key}`);\n        }\n        break;\n      case 'wordSeparator':\n        if (!value) {\n          value = DEFAULT_OPTIONS[key];\n        }\n        break;\n      case 'fontWeight':\n      case 'fontWeightBold':\n        if (typeof value === 'number' && 1 <= value && value <= 1000) {\n          // already valid numeric value\n          break;\n        }\n        value = FONT_WEIGHT_OPTIONS.includes(value) ? value : DEFAULT_OPTIONS[key];\n        break;\n      case 'cursorWidth':\n        value = Math.floor(value);\n        // Fall through for bounds check\n      case 'lineHeight':\n      case 'tabStopWidth':\n        if (value < 1) {\n          throw new Error(`${key} cannot be less than 1, value: ${value}`);\n        }\n        break;\n      case 'minimumContrastRatio':\n        value = Math.max(1, Math.min(21, Math.round(value * 10) / 10));\n        break;\n      case 'scrollback':\n        value = Math.min(value, 4294967295);\n        if (value < 0) {\n          throw new Error(`${key} cannot be less than 0, value: ${value}`);\n        }\n        break;\n      case 'fastScrollSensitivity':\n      case 'scrollSensitivity':\n        if (value <= 0) {\n          throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`);\n        }\n        break;\n      case 'rows':\n      case 'cols':\n        if (!value && value !== 0) {\n          throw new Error(`${key} must be numeric, value: ${value}`);\n        }\n        break;\n      case 'windowsPty':\n        value = value ?? {};\n        break;\n    }\n    return value;\n  }\n}\n\nfunction isCursorStyle(value: unknown): value is CursorStyle {\n  return value === 'block' || value === 'underline' || value === 'bar';\n}\n","/**\n * Copyright (c) 2022 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IBufferService, IOscLinkService } from 'common/services/Services';\nimport { IMarker, IOscLinkData } from 'common/Types';\n\nexport class OscLinkService implements IOscLinkService {\n  public serviceBrand: any;\n\n  private _nextId = 1;\n\n  /**\n   * A map of the link key to link entry. This is used to add additional lines to links with ids.\n   */\n  private _entriesWithId: Map<string, IOscLinkEntryWithId> = new Map();\n\n  /**\n   * A map of the link id to the link entry. The \"link id\" (number) which is the numberic\n   * representation of a unique link should not be confused with \"id\" (string) which comes in with\n   * `id=` in the OSC link's properties.\n   */\n  private _dataByLinkId: Map<number, IOscLinkEntryNoId | IOscLinkEntryWithId> = new Map();\n\n  constructor(\n    @IBufferService private readonly _bufferService: IBufferService\n  ) {\n  }\n\n  public registerLink(data: IOscLinkData): number {\n    const buffer = this._bufferService.buffer;\n\n    // Links with no id will only ever be registered a single time\n    if (data.id === undefined) {\n      const marker = buffer.addMarker(buffer.ybase + buffer.y);\n      const entry: IOscLinkEntryNoId = {\n        data,\n        id: this._nextId++,\n        lines: [marker]\n      };\n      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));\n      this._dataByLinkId.set(entry.id, entry);\n      return entry.id;\n    }\n\n    // Add the line to the link if it already exists\n    const castData = data as Required<IOscLinkData>;\n    const key = this._getEntryIdKey(castData);\n    const match = this._entriesWithId.get(key);\n    if (match) {\n      this.addLineToLink(match.id, buffer.ybase + buffer.y);\n      return match.id;\n    }\n\n    // Create the link\n    const marker = buffer.addMarker(buffer.ybase + buffer.y);\n    const entry: IOscLinkEntryWithId = {\n      id: this._nextId++,\n      key: this._getEntryIdKey(castData),\n      data: castData,\n      lines: [marker]\n    };\n    marker.onDispose(() => this._removeMarkerFromLink(entry, marker));\n    this._entriesWithId.set(entry.key, entry);\n    this._dataByLinkId.set(entry.id, entry);\n    return entry.id;\n  }\n\n  public addLineToLink(linkId: number, y: number): void {\n    const entry = this._dataByLinkId.get(linkId);\n    if (!entry) {\n      return;\n    }\n    if (entry.lines.every(e => e.line !== y)) {\n      const marker = this._bufferService.buffer.addMarker(y);\n      entry.lines.push(marker);\n      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));\n    }\n  }\n\n  public getLinkData(linkId: number): IOscLinkData | undefined {\n    return this._dataByLinkId.get(linkId)?.data;\n  }\n\n  private _getEntryIdKey(linkData: Required<IOscLinkData>): string {\n    return `${linkData.id};;${linkData.uri}`;\n  }\n\n  private _removeMarkerFromLink(entry: IOscLinkEntryNoId | IOscLinkEntryWithId, marker: IMarker): void {\n    const index = entry.lines.indexOf(marker);\n    if (index === -1) {\n      return;\n    }\n    entry.lines.splice(index, 1);\n    if (entry.lines.length === 0) {\n      if (entry.data.id !== undefined) {\n        this._entriesWithId.delete((entry as IOscLinkEntryWithId).key);\n      }\n      this._dataByLinkId.delete(entry.id);\n    }\n  }\n}\n\ninterface IOscLinkEntry<T extends IOscLinkData> {\n  data: T;\n  id: number;\n  lines: IMarker[];\n}\n\ninterface IOscLinkEntryNoId extends IOscLinkEntry<IOscLinkData> {\n}\n\ninterface IOscLinkEntryWithId extends IOscLinkEntry<Required<IOscLinkData>> {\n  key: string;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IServiceIdentifier } from 'common/services/Services';\n\nconst DI_TARGET = 'di$target';\nconst DI_DEPENDENCIES = 'di$dependencies';\n\nexport const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();\n\nexport function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {\n  return ctor[DI_DEPENDENCIES] || [];\n}\n\nexport function createDecorator<T>(id: string): IServiceIdentifier<T> {\n  if (serviceRegistry.has(id)) {\n    return serviceRegistry.get(id)!;\n  }\n\n  const decorator: any = function (target: Function, key: string, index: number): any {\n    if (arguments.length !== 3) {\n      throw new Error('@IServiceName-decorator can only be used to decorate a parameter');\n    }\n\n    storeServiceDependency(decorator, target, index);\n  };\n\n  decorator.toString = () => id;\n\n  serviceRegistry.set(id, decorator);\n  return decorator;\n}\n\nfunction storeServiceDependency(id: Function, target: Function, index: number): void {\n  if ((target as any)[DI_TARGET] === target) {\n    (target as any)[DI_DEPENDENCIES].push({ id, index });\n  } else {\n    (target as any)[DI_DEPENDENCIES] = [{ id, index }];\n    (target as any)[DI_TARGET] = target;\n  }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IEvent, IEventEmitter } from 'common/EventEmitter';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColor, CursorStyle, CursorInactiveStyle, IOscLinkData } from 'common/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\nimport { IDecorationOptions, IDecoration, ILinkHandler, IWindowsPty, ILogger } from 'xterm';\n\nexport const IBufferService = createDecorator<IBufferService>('BufferService');\nexport interface IBufferService {\n  serviceBrand: undefined;\n\n  readonly cols: number;\n  readonly rows: number;\n  readonly buffer: IBuffer;\n  readonly buffers: IBufferSet;\n  isUserScrolling: boolean;\n  onResize: IEvent<{ cols: number, rows: number }>;\n  onScroll: IEvent<number>;\n  scroll(eraseAttr: IAttributeData, isWrapped?: boolean): void;\n  scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void;\n  resize(cols: number, rows: number): void;\n  reset(): void;\n}\n\nexport const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');\nexport interface ICoreMouseService {\n  activeProtocol: string;\n  activeEncoding: string;\n  areMouseEventsActive: boolean;\n  addProtocol(name: string, protocol: ICoreMouseProtocol): void;\n  addEncoding(name: string, encoding: CoreMouseEncoding): void;\n  reset(): void;\n\n  /**\n   * Triggers a mouse event to be sent.\n   *\n   * Returns true if the event passed all protocol restrictions and a report\n   * was sent, otherwise false. The return value may be used to decide whether\n   * the default event action in the bowser component should be omitted.\n   *\n   * Note: The method will change values of the given event object\n   * to fullfill protocol and encoding restrictions.\n   */\n  triggerMouseEvent(event: ICoreMouseEvent): boolean;\n\n  /**\n   * Event to announce changes in mouse tracking.\n   */\n  onProtocolChange: IEvent<CoreMouseEventType>;\n\n  /**\n   * Human readable version of mouse events.\n   */\n  explainEvents(events: CoreMouseEventType): { [event: string]: boolean };\n}\n\nexport const ICoreService = createDecorator<ICoreService>('CoreService');\nexport interface ICoreService {\n  serviceBrand: undefined;\n\n  /**\n   * Initially the cursor will not be visible until the first time the terminal\n   * is focused.\n   */\n  isCursorInitialized: boolean;\n  isCursorHidden: boolean;\n\n  readonly modes: IModes;\n  readonly decPrivateModes: IDecPrivateModes;\n\n  readonly onData: IEvent<string>;\n  readonly onUserInput: IEvent<void>;\n  readonly onBinary: IEvent<string>;\n  readonly onRequestScrollToBottom: IEvent<void>;\n\n  reset(): void;\n\n  /**\n   * Triggers the onData event in the public API.\n   * @param data The data that is being emitted.\n   * @param wasUserInput Whether the data originated from the user (as opposed to\n   * resulting from parsing incoming data). When true this will also:\n   * - Scroll to the bottom of the buffer if option scrollOnUserInput is true.\n   * - Fire the `onUserInput` event (so selection can be cleared).\n   */\n  triggerDataEvent(data: string, wasUserInput?: boolean): void;\n\n  /**\n   * Triggers the onBinary event in the public API.\n   * @param data The data that is being emitted.\n   */\n  triggerBinaryEvent(data: string): void;\n}\n\nexport const ICharsetService = createDecorator<ICharsetService>('CharsetService');\nexport interface ICharsetService {\n  serviceBrand: undefined;\n\n  charset: ICharset | undefined;\n  readonly glevel: number;\n\n  reset(): void;\n\n  /**\n   * Set the G level of the terminal.\n   * @param g\n   */\n  setgLevel(g: number): void;\n\n  /**\n   * Set the charset for the given G level of the terminal.\n   * @param g\n   * @param charset\n   */\n  setgCharset(g: number, charset: ICharset | undefined): void;\n}\n\nexport interface IServiceIdentifier<T> {\n  (...args: any[]): void;\n  type: T;\n}\n\nexport interface IBrandedService {\n  serviceBrand: undefined;\n}\n\ntype GetLeadingNonServiceArgs<TArgs extends any[]> = TArgs extends [] ? []\n  : TArgs extends [...infer TFirst, infer TLast] ? TLast extends IBrandedService ? GetLeadingNonServiceArgs<TFirst> : TArgs\n    : never;\n\nexport const IInstantiationService = createDecorator<IInstantiationService>('InstantiationService');\nexport interface IInstantiationService {\n  serviceBrand: undefined;\n\n  setService<T>(id: IServiceIdentifier<T>, instance: T): void;\n  getService<T>(id: IServiceIdentifier<T>): T | undefined;\n  createInstance<Ctor extends new (...args: any[]) => any, R extends InstanceType<Ctor>>(t: Ctor, ...args: GetLeadingNonServiceArgs<ConstructorParameters<Ctor>>): R;\n}\n\nexport enum LogLevelEnum {\n  TRACE = 0,\n  DEBUG = 1,\n  INFO = 2,\n  WARN = 3,\n  ERROR = 4,\n  OFF = 5\n}\n\nexport const ILogService = createDecorator<ILogService>('LogService');\nexport interface ILogService {\n  serviceBrand: undefined;\n\n  readonly logLevel: LogLevelEnum;\n\n  trace(message: any, ...optionalParams: any[]): void;\n  debug(message: any, ...optionalParams: any[]): void;\n  info(message: any, ...optionalParams: any[]): void;\n  warn(message: any, ...optionalParams: any[]): void;\n  error(message: any, ...optionalParams: any[]): void;\n}\n\nexport const IOptionsService = createDecorator<IOptionsService>('OptionsService');\nexport interface IOptionsService {\n  serviceBrand: undefined;\n\n  /**\n   * Read only access to the raw options object, this is an internal-only fast path for accessing\n   * single options without any validation as we trust TypeScript to enforce correct usage\n   * internally.\n   */\n  readonly rawOptions: Required<ITerminalOptions>;\n\n  /**\n   * Options as exposed through the public API, this property uses getters and setters with\n   * validation which makes it safer but slower. {@link rawOptions} should be used for pretty much\n   * all internal usage for performance reasons.\n   */\n  readonly options: Required<ITerminalOptions>;\n\n  /**\n   * Adds an event listener for when any option changes.\n   */\n  readonly onOptionChange: IEvent<keyof ITerminalOptions>;\n\n  /**\n   * Adds an event listener for when a specific option changes, this is a convenience method that is\n   * preferred over {@link onOptionChange} when only a single option is being listened to.\n   */\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (arg1: Required<ITerminalOptions>[T]) => any): IDisposable;\n\n  /**\n   * Adds an event listener for when a set of specific options change, this is a convenience method\n   * that is preferred over {@link onOptionChange} when multiple options are being listened to and\n   * handled the same way.\n   */\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable;\n}\n\nexport type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;\nexport type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';\n\nexport interface ITerminalOptions {\n  allowProposedApi?: boolean;\n  allowTransparency?: boolean;\n  altClickMovesCursor?: boolean;\n  cols?: number;\n  convertEol?: boolean;\n  cursorBlink?: boolean;\n  cursorStyle?: CursorStyle;\n  cursorWidth?: number;\n  cursorInactiveStyle?: CursorInactiveStyle;\n  customGlyphs?: boolean;\n  disableStdin?: boolean;\n  drawBoldTextInBrightColors?: boolean;\n  fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';\n  fastScrollSensitivity?: number;\n  fontSize?: number;\n  fontFamily?: string;\n  fontWeight?: FontWeight;\n  fontWeightBold?: FontWeight;\n  ignoreBracketedPasteMode?: boolean;\n  letterSpacing?: number;\n  lineHeight?: number;\n  linkHandler?: ILinkHandler | null;\n  logLevel?: LogLevel;\n  logger?: ILogger | null;\n  macOptionIsMeta?: boolean;\n  macOptionClickForcesSelection?: boolean;\n  minimumContrastRatio?: number;\n  rightClickSelectsWord?: boolean;\n  rows?: number;\n  screenReaderMode?: boolean;\n  scrollback?: number;\n  scrollOnUserInput?: boolean;\n  scrollSensitivity?: number;\n  smoothScrollDuration?: number;\n  tabStopWidth?: number;\n  theme?: ITheme;\n  windowsMode?: boolean;\n  windowsPty?: IWindowsPty;\n  windowOptions?: IWindowOptions;\n  wordSeparator?: string;\n  overviewRulerWidth?: number;\n\n  [key: string]: any;\n  cancelEvents: boolean;\n  termName: string;\n}\n\nexport interface ITheme {\n  foreground?: string;\n  background?: string;\n  cursor?: string;\n  cursorAccent?: string;\n  selectionForeground?: string;\n  selectionBackground?: string;\n  selectionInactiveBackground?: string;\n  black?: string;\n  red?: string;\n  green?: string;\n  yellow?: string;\n  blue?: string;\n  magenta?: string;\n  cyan?: string;\n  white?: string;\n  brightBlack?: string;\n  brightRed?: string;\n  brightGreen?: string;\n  brightYellow?: string;\n  brightBlue?: string;\n  brightMagenta?: string;\n  brightCyan?: string;\n  brightWhite?: string;\n  extendedAnsi?: string[];\n}\n\nexport const IOscLinkService = createDecorator<IOscLinkService>('OscLinkService');\nexport interface IOscLinkService {\n  serviceBrand: undefined;\n  /**\n   * Registers a link to the service, returning the link ID. The link data is managed by this\n   * service and will be freed when this current cursor position is trimmed off the buffer.\n   */\n  registerLink(linkData: IOscLinkData): number;\n  /**\n   * Adds a line to a link if needed.\n   */\n  addLineToLink(linkId: number, y: number): void;\n  /** Get the link data associated with a link ID. */\n  getLinkData(linkId: number): IOscLinkData | undefined;\n}\n\nexport const IUnicodeService = createDecorator<IUnicodeService>('UnicodeService');\nexport interface IUnicodeService {\n  serviceBrand: undefined;\n  /** Register an Unicode version provider. */\n  register(provider: IUnicodeVersionProvider): void;\n  /** Registered Unicode versions. */\n  readonly versions: string[];\n  /** Currently active version. */\n  activeVersion: string;\n  /** Event triggered, when activate version changed. */\n  readonly onChange: IEvent<string>;\n\n  /**\n   * Unicode version dependent\n   */\n  wcwidth(codepoint: number): number;\n  getStringCellWidth(s: string): number;\n}\n\nexport interface IUnicodeVersionProvider {\n  readonly version: string;\n  wcwidth(ucs: number): 0 | 1 | 2;\n}\n\nexport const IDecorationService = createDecorator<IDecorationService>('DecorationService');\nexport interface IDecorationService extends IDisposable {\n  serviceBrand: undefined;\n  readonly decorations: IterableIterator<IInternalDecoration>;\n  readonly onDecorationRegistered: IEvent<IInternalDecoration>;\n  readonly onDecorationRemoved: IEvent<IInternalDecoration>;\n  registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;\n  reset(): void;\n  /**\n   * Trigger a callback over the decoration at a cell (in no particular order). This uses a callback\n   * instead of an iterator as it's typically used in hot code paths.\n   */\n  forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void;\n}\nexport interface IInternalDecoration extends IDecoration {\n  readonly options: IDecorationOptions;\n  readonly backgroundColorRGB: IColor | undefined;\n  readonly foregroundColorRGB: IColor | undefined;\n  readonly onRenderEmitter: IEventEmitter<HTMLElement>;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { EventEmitter } from 'common/EventEmitter';\nimport { UnicodeV6 } from 'common/input/UnicodeV6';\nimport { IUnicodeService, IUnicodeVersionProvider } from 'common/services/Services';\n\nexport class UnicodeService implements IUnicodeService {\n  public serviceBrand: any;\n\n  private _providers: {[key: string]: IUnicodeVersionProvider} = Object.create(null);\n  private _active: string = '';\n  private _activeProvider: IUnicodeVersionProvider;\n\n  private readonly _onChange = new EventEmitter<string>();\n  public readonly onChange = this._onChange.event;\n\n  constructor() {\n    const defaultProvider = new UnicodeV6();\n    this.register(defaultProvider);\n    this._active = defaultProvider.version;\n    this._activeProvider = defaultProvider;\n  }\n\n  public dispose(): void {\n    this._onChange.dispose();\n  }\n\n  public get versions(): string[] {\n    return Object.keys(this._providers);\n  }\n\n  public get activeVersion(): string {\n    return this._active;\n  }\n\n  public set activeVersion(version: string) {\n    if (!this._providers[version]) {\n      throw new Error(`unknown Unicode version \"${version}\"`);\n    }\n    this._active = version;\n    this._activeProvider = this._providers[version];\n    this._onChange.fire(version);\n  }\n\n  public register(provider: IUnicodeVersionProvider): void {\n    this._providers[provider.version] = provider;\n  }\n\n  /**\n   * Unicode version dependent interface.\n   */\n  public wcwidth(num: number): number {\n    return this._activeProvider.wcwidth(num);\n  }\n\n  public getStringCellWidth(s: string): number {\n    let result = 0;\n    const length = s.length;\n    for (let i = 0; i < length; ++i) {\n      let code = s.charCodeAt(i);\n      // surrogate pair first\n      if (0xD800 <= code && code <= 0xDBFF) {\n        if (++i >= length) {\n          // this should not happen with strings retrieved from\n          // Buffer.translateToString as it converts from UTF-32\n          // and therefore always should contain the second part\n          // for any other string we still have to handle it somehow:\n          // simply treat the lonely surrogate first as a single char (UCS-2 behavior)\n          return result + this.wcwidth(code);\n        }\n        const second = s.charCodeAt(i);\n        // convert surrogate pair to high codepoint only for valid second part (UTF-16)\n        // otherwise treat them independently (UCS-2 behavior)\n        if (0xDC00 <= second && second <= 0xDFFF) {\n          code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n        } else {\n          result += this.wcwidth(second);\n        }\n      }\n      result += this.wcwidth(code);\n    }\n    return result;\n  }\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from 'browser/LocalizableStrings';\nimport { Terminal as TerminalCore } from 'browser/Terminal';\nimport { IBufferRange, ITerminal } from 'browser/Types';\nimport { IEvent } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { ITerminalOptions } from 'common/Types';\nimport { AddonManager } from 'common/public/AddonManager';\nimport { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';\nimport { ParserApi } from 'common/public/ParserApi';\nimport { UnicodeApi } from 'common/public/UnicodeApi';\nimport { IBufferNamespace as IBufferNamespaceApi, IDecoration, IDecorationOptions, IDisposable, ILinkProvider, ILocalizableStrings, IMarker, IModes, IParser, ITerminalAddon, Terminal as ITerminalApi, ITerminalInitOnlyOptions, IUnicodeHandling } from 'xterm';\n\n/**\n * The set of options that only have an effect when set in the Terminal constructor.\n */\nconst CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];\n\nexport class Terminal extends Disposable implements ITerminalApi {\n  private _core: ITerminal;\n  private _addonManager: AddonManager;\n  private _parser: IParser | undefined;\n  private _buffer: BufferNamespaceApi | undefined;\n  private _publicOptions: Required<ITerminalOptions>;\n\n  constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions) {\n    super();\n\n    this._core = this.register(new TerminalCore(options));\n    this._addonManager = this.register(new AddonManager());\n\n    this._publicOptions = { ... this._core.options };\n    const getter = (propName: string): any => {\n      return this._core.options[propName];\n    };\n    const setter = (propName: string, value: any): void => {\n      this._checkReadonlyOptions(propName);\n      this._core.options[propName] = value;\n    };\n\n    for (const propName in this._core.options) {\n      const desc = {\n        get: getter.bind(this, propName),\n        set: setter.bind(this, propName)\n      };\n      Object.defineProperty(this._publicOptions, propName, desc);\n    }\n  }\n\n  private _checkReadonlyOptions(propName: string): void {\n    // Throw an error if any constructor only option is modified\n    // from terminal.options\n    // Modifications from anywhere else are allowed\n    if (CONSTRUCTOR_ONLY_OPTIONS.includes(propName)) {\n      throw new Error(`Option \"${propName}\" can only be set in the constructor`);\n    }\n  }\n\n  private _checkProposedApi(): void {\n    if (!this._core.optionsService.rawOptions.allowProposedApi) {\n      throw new Error('You must set the allowProposedApi option to true to use proposed API');\n    }\n  }\n\n  public get onBell(): IEvent<void> { return this._core.onBell; }\n  public get onBinary(): IEvent<string> { return this._core.onBinary; }\n  public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }\n  public get onData(): IEvent<string> { return this._core.onData; }\n  public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }\n  public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }\n  public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }\n  public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }\n  public get onScroll(): IEvent<number> { return this._core.onScroll; }\n  public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }\n  public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }\n  public get onWriteParsed(): IEvent<void> { return this._core.onWriteParsed; }\n\n  public get element(): HTMLElement | undefined { return this._core.element; }\n  public get parser(): IParser {\n    if (!this._parser) {\n      this._parser = new ParserApi(this._core);\n    }\n    return this._parser;\n  }\n  public get unicode(): IUnicodeHandling {\n    this._checkProposedApi();\n    return new UnicodeApi(this._core);\n  }\n  public get textarea(): HTMLTextAreaElement | undefined { return this._core.textarea; }\n  public get rows(): number { return this._core.rows; }\n  public get cols(): number { return this._core.cols; }\n  public get buffer(): IBufferNamespaceApi {\n    if (!this._buffer) {\n      this._buffer = this.register(new BufferNamespaceApi(this._core));\n    }\n    return this._buffer;\n  }\n  public get markers(): ReadonlyArray<IMarker> {\n    this._checkProposedApi();\n    return this._core.markers;\n  }\n  public get modes(): IModes {\n    const m = this._core.coreService.decPrivateModes;\n    let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';\n    switch (this._core.coreMouseService.activeProtocol) {\n      case 'X10': mouseTrackingMode = 'x10'; break;\n      case 'VT200': mouseTrackingMode = 'vt200'; break;\n      case 'DRAG': mouseTrackingMode = 'drag'; break;\n      case 'ANY': mouseTrackingMode = 'any'; break;\n    }\n    return {\n      applicationCursorKeysMode: m.applicationCursorKeys,\n      applicationKeypadMode: m.applicationKeypad,\n      bracketedPasteMode: m.bracketedPasteMode,\n      insertMode: this._core.coreService.modes.insertMode,\n      mouseTrackingMode: mouseTrackingMode,\n      originMode: m.origin,\n      reverseWraparoundMode: m.reverseWraparound,\n      sendFocusMode: m.sendFocus,\n      wraparoundMode: m.wraparound\n    };\n  }\n  public get options(): Required<ITerminalOptions> {\n    return this._publicOptions;\n  }\n  public set options(options: ITerminalOptions) {\n    for (const propName in options) {\n      this._publicOptions[propName] = options[propName];\n    }\n  }\n  public blur(): void {\n    this._core.blur();\n  }\n  public focus(): void {\n    this._core.focus();\n  }\n  public resize(columns: number, rows: number): void {\n    this._verifyIntegers(columns, rows);\n    this._core.resize(columns, rows);\n  }\n  public open(parent: HTMLElement): void {\n    this._core.open(parent);\n  }\n  public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {\n    this._core.attachCustomKeyEventHandler(customKeyEventHandler);\n  }\n  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {\n    return this._core.registerLinkProvider(linkProvider);\n  }\n  public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n    this._checkProposedApi();\n    return this._core.registerCharacterJoiner(handler);\n  }\n  public deregisterCharacterJoiner(joinerId: number): void {\n    this._checkProposedApi();\n    this._core.deregisterCharacterJoiner(joinerId);\n  }\n  public registerMarker(cursorYOffset: number = 0): IMarker {\n    this._verifyIntegers(cursorYOffset);\n    return this._core.registerMarker(cursorYOffset);\n  }\n  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {\n    this._checkProposedApi();\n    this._verifyPositiveIntegers(decorationOptions.x ?? 0, decorationOptions.width ?? 0, decorationOptions.height ?? 0);\n    return this._core.registerDecoration(decorationOptions);\n  }\n  public hasSelection(): boolean {\n    return this._core.hasSelection();\n  }\n  public select(column: number, row: number, length: number): void {\n    this._verifyIntegers(column, row, length);\n    this._core.select(column, row, length);\n  }\n  public getSelection(): string {\n    return this._core.getSelection();\n  }\n  public getSelectionPosition(): IBufferRange | undefined {\n    return this._core.getSelectionPosition();\n  }\n  public clearSelection(): void {\n    this._core.clearSelection();\n  }\n  public selectAll(): void {\n    this._core.selectAll();\n  }\n  public selectLines(start: number, end: number): void {\n    this._verifyIntegers(start, end);\n    this._core.selectLines(start, end);\n  }\n  public dispose(): void {\n    super.dispose();\n  }\n  public scrollLines(amount: number): void {\n    this._verifyIntegers(amount);\n    this._core.scrollLines(amount);\n  }\n  public scrollPages(pageCount: number): void {\n    this._verifyIntegers(pageCount);\n    this._core.scrollPages(pageCount);\n  }\n  public scrollToTop(): void {\n    this._core.scrollToTop();\n  }\n  public scrollToBottom(): void {\n    this._core.scrollToBottom();\n  }\n  public scrollToLine(line: number): void {\n    this._verifyIntegers(line);\n    this._core.scrollToLine(line);\n  }\n  public clear(): void {\n    this._core.clear();\n  }\n  public write(data: string | Uint8Array, callback?: () => void): void {\n    this._core.write(data, callback);\n  }\n  public writeln(data: string | Uint8Array, callback?: () => void): void {\n    this._core.write(data);\n    this._core.write('\\r\\n', callback);\n  }\n  public paste(data: string): void {\n    this._core.paste(data);\n  }\n  public refresh(start: number, end: number): void {\n    this._verifyIntegers(start, end);\n    this._core.refresh(start, end);\n  }\n  public reset(): void {\n    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\ No newline at end of file
diff --git a/web/public/node_modules/xterm/package.json b/web/public/node_modules/xterm/package.json
new file mode 100644
index 000000000..9375c2689
--- /dev/null
+++ b/web/public/node_modules/xterm/package.json
@@ -0,0 +1,100 @@
+{
+  "name": "xterm",
+  "description": "Full xterm terminal, in your browser",
+  "version": "5.3.0",
+  "main": "lib/xterm.js",
+  "style": "css/xterm.css",
+  "types": "typings/xterm.d.ts",
+  "repository": "https://github.com/xtermjs/xterm.js",
+  "license": "MIT",
+  "keywords": [
+    "cli",
+    "command-line",
+    "console",
+    "pty",
+    "shell",
+    "ssh",
+    "styles",
+    "terminal-emulator",
+    "terminal",
+    "tty",
+    "vt100",
+    "webgl",
+    "xterm"
+  ],
+  "scripts": {
+    "prepackage": "npm run build",
+    "package": "webpack",
+    "package-headless": "webpack --config ./webpack.config.headless.js",
+    "postpackage-headless": "node ./bin/package_headless.js",
+    "start": "node demo/start",
+    "build-demo": "webpack --config ./demo/webpack.config.js",
+    "start-debug": "node --inspect-brk demo/start",
+    "lint": "eslint -c .eslintrc.json --max-warnings 0 --ext .ts src/ addons/",
+    "lint-api": "eslint --no-eslintrc -c .eslintrc.json.typings --max-warnings 0 --no-ignore --ext .d.ts typings/",
+    "test": "npm run test-unit",
+    "posttest": "npm run lint",
+    "test-api": "npm run test-api-chromium",
+    "test-api-chromium": "node ./bin/test_api.js --browser=chromium --timeout=20000",
+    "test-api-firefox": "node ./bin/test_api.js --browser=firefox --timeout=20000",
+    "test-api-webkit": "node ./bin/test_api.js --browser=webkit --timeout=20000",
+    "test-playwright": "playwright test -c ./out-test/playwright/playwright.config.js --workers 4",
+    "test-playwright-chromium": "playwright test -c ./out-test/playwright/playwright.config.js --workers 4 --project='Chrome Stable'",
+    "test-playwright-firefox": "playwright test -c ./out-test/playwright/playwright.config.js --workers 4 --project='Firefox Stable'",
+    "test-playwright-webkit": "playwright test -c ./out-test/playwright/playwright.config.js --workers 4 --project='WebKit'",
+    "test-playwright-debug": "playwright test -c ./out-test/playwright/playwright.config.js --headed --workers 1 --timeout 30000",
+    "test-unit": "node ./bin/test.js",
+    "test-unit-coverage": "node ./bin/test.js --coverage",
+    "test-unit-dev": "cross-env NODE_PATH='./out' mocha",
+    "build": "tsc -b ./tsconfig.all.json",
+    "install-addons": "node ./bin/install-addons.js",
+    "presetup": "npm run install-addons",
+    "setup": "npm run build",
+    "prepublishOnly": "npm run package",
+    "watch": "tsc -b -w ./tsconfig.all.json --preserveWatchOutput",
+    "benchmark": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json",
+    "benchmark-baseline": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --baseline out-test/benchmark/test/benchmark/*benchmark.js",
+    "benchmark-eval": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --eval out-test/benchmark/test/benchmark/*benchmark.js",
+    "clean": "rm -rf lib out addons/*/lib addons/*/out",
+    "vtfeatures": "node bin/extract_vtfeatures.js src/**/*.ts src/*.ts"
+  },
+  "devDependencies": {
+    "@playwright/test": "^1.37.1",
+    "@types/chai": "^4.2.22",
+    "@types/debug": "^4.1.7",
+    "@types/deep-equal": "^1.0.1",
+    "@types/express": "4",
+    "@types/express-ws": "^3.0.1",
+    "@types/glob": "^7.2.0",
+    "@types/jsdom": "^16.2.13",
+    "@types/mocha": "^9.0.0",
+    "@types/node": "^18.16.0",
+    "@types/utf8": "^3.0.0",
+    "@types/webpack": "^5.28.0",
+    "@types/ws": "^8.2.0",
+    "@typescript-eslint/eslint-plugin": "^6.2.00",
+    "@typescript-eslint/parser": "^6.2.00",
+    "chai": "^4.3.4",
+    "cross-env": "^7.0.3",
+    "deep-equal": "^2.0.5",
+    "eslint": "^8.45.0",
+    "eslint-plugin-jsdoc": "^39.3.6",
+    "express": "^4.17.1",
+    "express-ws": "^5.0.2",
+    "glob": "^7.2.0",
+    "jsdom": "^18.0.1",
+    "mocha": "^10.1.0",
+    "mustache": "^4.2.0",
+    "node-pty": "^0.10.1",
+    "nyc": "^15.1.0",
+    "source-map-loader": "^3.0.0",
+    "source-map-support": "^0.5.20",
+    "ts-loader": "^9.3.1",
+    "typescript": "^5.1.6",
+    "utf8": "^3.0.0",
+    "webpack": "^5.61.0",
+    "webpack-cli": "^4.9.1",
+    "ws": "^8.2.3",
+    "xterm-benchmark": "^0.3.1"
+  }
+}
\ No newline at end of file
diff --git a/web/public/node_modules/xterm/src/browser/AccessibilityManager.ts b/web/public/node_modules/xterm/src/browser/AccessibilityManager.ts
new file mode 100644
index 000000000..60ba9ffc9
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/AccessibilityManager.ts
@@ -0,0 +1,300 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import * as Strings from 'browser/LocalizableStrings';
+import { ITerminal, IRenderDebouncer } from 'browser/Types';
+import { isMac } from 'common/Platform';
+import { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
+import { IRenderService } from 'browser/services/Services';
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { IBuffer } from 'common/buffer/Types';
+
+const MAX_ROWS_TO_READ = 20;
+
+const enum BoundaryPosition {
+  TOP,
+  BOTTOM
+}
+
+export class AccessibilityManager extends Disposable {
+  private _accessibilityContainer: HTMLElement;
+
+  private _rowContainer: HTMLElement;
+  private _rowElements: HTMLElement[];
+
+  private _liveRegion: HTMLElement;
+  private _liveRegionLineCount: number = 0;
+  private _liveRegionDebouncer: IRenderDebouncer;
+
+  private _screenDprMonitor: ScreenDprMonitor;
+
+  private _topBoundaryFocusListener: (e: FocusEvent) => void;
+  private _bottomBoundaryFocusListener: (e: FocusEvent) => void;
+
+  /**
+   * This queue has a character pushed to it for keys that are pressed, if the
+   * next character added to the terminal is equal to the key char then it is
+   * not announced (added to live region) because it has already been announced
+   * by the textarea event (which cannot be canceled). There are some race
+   * condition cases if there is typing while data is streaming, but this covers
+   * the main case of typing into the prompt and inputting the answer to a
+   * question (Y/N, etc.).
+   */
+  private _charsToConsume: string[] = [];
+
+  private _charsToAnnounce: string = '';
+
+  constructor(
+    private readonly _terminal: ITerminal,
+    @IRenderService private readonly _renderService: IRenderService
+  ) {
+    super();
+    this._accessibilityContainer = document.createElement('div');
+    this._accessibilityContainer.classList.add('xterm-accessibility');
+
+    this._rowContainer = document.createElement('div');
+    this._rowContainer.setAttribute('role', 'list');
+    this._rowContainer.classList.add('xterm-accessibility-tree');
+    this._rowElements = [];
+    for (let i = 0; i < this._terminal.rows; i++) {
+      this._rowElements[i] = this._createAccessibilityTreeNode();
+      this._rowContainer.appendChild(this._rowElements[i]);
+    }
+
+    this._topBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.TOP);
+    this._bottomBoundaryFocusListener = e => this._handleBoundaryFocus(e, BoundaryPosition.BOTTOM);
+    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);
+    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+
+    this._refreshRowsDimensions();
+    this._accessibilityContainer.appendChild(this._rowContainer);
+
+    this._liveRegion = document.createElement('div');
+    this._liveRegion.classList.add('live-region');
+    this._liveRegion.setAttribute('aria-live', 'assertive');
+    this._accessibilityContainer.appendChild(this._liveRegion);
+    this._liveRegionDebouncer = this.register(new TimeBasedDebouncer(this._renderRows.bind(this)));
+
+    if (!this._terminal.element) {
+      throw new Error('Cannot enable accessibility before Terminal.open');
+    }
+    this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityContainer);
+
+    this.register(this._terminal.onResize(e => this._handleResize(e.rows)));
+    this.register(this._terminal.onRender(e => this._refreshRows(e.start, e.end)));
+    this.register(this._terminal.onScroll(() => this._refreshRows()));
+    // Line feed is an issue as the prompt won't be read out after a command is run
+    this.register(this._terminal.onA11yChar(char => this._handleChar(char)));
+    this.register(this._terminal.onLineFeed(() => this._handleChar('\n')));
+    this.register(this._terminal.onA11yTab(spaceCount => this._handleTab(spaceCount)));
+    this.register(this._terminal.onKey(e => this._handleKey(e.key)));
+    this.register(this._terminal.onBlur(() => this._clearLiveRegion()));
+    this.register(this._renderService.onDimensionsChange(() => this._refreshRowsDimensions()));
+
+    this._screenDprMonitor = new ScreenDprMonitor(window);
+    this.register(this._screenDprMonitor);
+    this._screenDprMonitor.setListener(() => this._refreshRowsDimensions());
+    // This shouldn't be needed on modern browsers but is present in case the
+    // media query that drives the ScreenDprMonitor isn't supported
+    this.register(addDisposableDomListener(window, 'resize', () => this._refreshRowsDimensions()));
+
+    this._refreshRows();
+    this.register(toDisposable(() => {
+      this._accessibilityContainer.remove();
+      this._rowElements.length = 0;
+    }));
+  }
+
+  private _handleTab(spaceCount: number): void {
+    for (let i = 0; i < spaceCount; i++) {
+      this._handleChar(' ');
+    }
+  }
+
+  private _handleChar(char: string): void {
+    if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {
+      if (this._charsToConsume.length > 0) {
+        // Have the screen reader ignore the char if it was just input
+        const shiftedChar = this._charsToConsume.shift();
+        if (shiftedChar !== char) {
+          this._charsToAnnounce += char;
+        }
+      } else {
+        this._charsToAnnounce += char;
+      }
+
+      if (char === '\n') {
+        this._liveRegionLineCount++;
+        if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {
+          this._liveRegion.textContent += Strings.tooMuchOutput;
+        }
+      }
+
+      // Only detach/attach on mac as otherwise messages can go unaccounced
+      if (isMac) {
+        if (this._liveRegion.textContent && this._liveRegion.textContent.length > 0 && !this._liveRegion.parentNode) {
+          setTimeout(() => {
+            this._accessibilityContainer.appendChild(this._liveRegion);
+          }, 0);
+        }
+      }
+    }
+  }
+
+  private _clearLiveRegion(): void {
+    this._liveRegion.textContent = '';
+    this._liveRegionLineCount = 0;
+
+    // Only detach/attach on mac as otherwise messages can go unaccounced
+    if (isMac) {
+      this._liveRegion.remove();
+    }
+  }
+
+  private _handleKey(keyChar: string): void {
+    this._clearLiveRegion();
+    // Only add the char if there is no control character.
+    if (!/\p{Control}/u.test(keyChar)) {
+      this._charsToConsume.push(keyChar);
+    }
+  }
+
+  private _refreshRows(start?: number, end?: number): void {
+    this._liveRegionDebouncer.refresh(start, end, this._terminal.rows);
+  }
+
+  private _renderRows(start: number, end: number): void {
+    const buffer: IBuffer = this._terminal.buffer;
+    const setSize = buffer.lines.length.toString();
+    for (let i = start; i <= end; i++) {
+      const lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);
+      const posInSet = (buffer.ydisp + i + 1).toString();
+      const element = this._rowElements[i];
+      if (element) {
+        if (lineData.length === 0) {
+          element.innerText = '\u00a0';
+        } else {
+          element.textContent = lineData;
+        }
+        element.setAttribute('aria-posinset', posInSet);
+        element.setAttribute('aria-setsize', setSize);
+      }
+    }
+    this._announceCharacters();
+  }
+
+  private _announceCharacters(): void {
+    if (this._charsToAnnounce.length === 0) {
+      return;
+    }
+    this._liveRegion.textContent += this._charsToAnnounce;
+    this._charsToAnnounce = '';
+  }
+
+  private _handleBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {
+    const boundaryElement = e.target as HTMLElement;
+    const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];
+
+    // Don't scroll if the buffer top has reached the end in that direction
+    const posInSet = boundaryElement.getAttribute('aria-posinset');
+    const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;
+    if (posInSet === lastRowPos) {
+      return;
+    }
+
+    // Don't scroll when the last focused item was not the second row (focus is going the other
+    // direction)
+    if (e.relatedTarget !== beforeBoundaryElement) {
+      return;
+    }
+
+    // Remove old boundary element from array
+    let topBoundaryElement: HTMLElement;
+    let bottomBoundaryElement: HTMLElement;
+    if (position === BoundaryPosition.TOP) {
+      topBoundaryElement = boundaryElement;
+      bottomBoundaryElement = this._rowElements.pop()!;
+      this._rowContainer.removeChild(bottomBoundaryElement);
+    } else {
+      topBoundaryElement = this._rowElements.shift()!;
+      bottomBoundaryElement = boundaryElement;
+      this._rowContainer.removeChild(topBoundaryElement);
+    }
+
+    // Remove listeners from old boundary elements
+    topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);
+    bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);
+
+    // Add new element to array/DOM
+    if (position === BoundaryPosition.TOP) {
+      const newElement = this._createAccessibilityTreeNode();
+      this._rowElements.unshift(newElement);
+      this._rowContainer.insertAdjacentElement('afterbegin', newElement);
+    } else {
+      const newElement = this._createAccessibilityTreeNode();
+      this._rowElements.push(newElement);
+      this._rowContainer.appendChild(newElement);
+    }
+
+    // Add listeners to new boundary elements
+    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);
+    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+
+    // Scroll up
+    this._terminal.scrollLines(position === BoundaryPosition.TOP ? -1 : 1);
+
+    // Focus new boundary before element
+    this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2].focus();
+
+    // Prevent the standard behavior
+    e.preventDefault();
+    e.stopImmediatePropagation();
+  }
+
+  private _handleResize(rows: number): void {
+    // Remove bottom boundary listener
+    this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);
+
+    // Grow rows as required
+    for (let i = this._rowContainer.children.length; i < this._terminal.rows; i++) {
+      this._rowElements[i] = this._createAccessibilityTreeNode();
+      this._rowContainer.appendChild(this._rowElements[i]);
+    }
+    // Shrink rows as required
+    while (this._rowElements.length > rows) {
+      this._rowContainer.removeChild(this._rowElements.pop()!);
+    }
+
+    // Add bottom boundary listener
+    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+
+    this._refreshRowsDimensions();
+  }
+
+  private _createAccessibilityTreeNode(): HTMLElement {
+    const element = document.createElement('div');
+    element.setAttribute('role', 'listitem');
+    element.tabIndex = -1;
+    this._refreshRowDimensions(element);
+    return element;
+  }
+  private _refreshRowsDimensions(): void {
+    if (!this._renderService.dimensions.css.cell.height) {
+      return;
+    }
+    this._accessibilityContainer.style.width = `${this._renderService.dimensions.css.canvas.width}px`;
+    if (this._rowElements.length !== this._terminal.rows) {
+      this._handleResize(this._terminal.rows);
+    }
+    for (let i = 0; i < this._terminal.rows; i++) {
+      this._refreshRowDimensions(this._rowElements[i]);
+    }
+  }
+  private _refreshRowDimensions(element: HTMLElement): void {
+    element.style.height = `${this._renderService.dimensions.css.cell.height}px`;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/Clipboard.ts b/web/public/node_modules/xterm/src/browser/Clipboard.ts
new file mode 100644
index 000000000..ec85b5836
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/Clipboard.ts
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ISelectionService } from 'browser/services/Services';
+import { ICoreService, IOptionsService } from 'common/services/Services';
+
+/**
+ * Prepares text to be pasted into the terminal by normalizing the line endings
+ * @param text The pasted text that needs processing before inserting into the terminal
+ */
+export function prepareTextForTerminal(text: string): string {
+  return text.replace(/\r?\n/g, '\r');
+}
+
+/**
+ * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste
+ * @param text The pasted text to bracket
+ */
+export function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {
+  if (bracketedPasteMode) {
+    return '\x1b[200~' + text + '\x1b[201~';
+  }
+  return text;
+}
+
+/**
+ * Binds copy functionality to the given terminal.
+ * @param ev The original copy event to be handled
+ */
+export function copyHandler(ev: ClipboardEvent, selectionService: ISelectionService): void {
+  if (ev.clipboardData) {
+    ev.clipboardData.setData('text/plain', selectionService.selectionText);
+  }
+  // Prevent or the original text will be copied.
+  ev.preventDefault();
+}
+
+/**
+ * Redirect the clipboard's data to the terminal's input handler.
+ */
+export function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {
+  ev.stopPropagation();
+  if (ev.clipboardData) {
+    const text = ev.clipboardData.getData('text/plain');
+    paste(text, textarea, coreService, optionsService);
+  }
+}
+
+export function paste(text: string, textarea: HTMLTextAreaElement, coreService: ICoreService, optionsService: IOptionsService): void {
+  text = prepareTextForTerminal(text);
+  text = bracketTextForPaste(text, coreService.decPrivateModes.bracketedPasteMode && optionsService.rawOptions.ignoreBracketedPasteMode !== true);
+  coreService.triggerDataEvent(text, true);
+  textarea.value = '';
+}
+
+/**
+ * Moves the textarea under the mouse cursor and focuses it.
+ * @param ev The original right click event to be handled.
+ * @param textarea The terminal's textarea.
+ */
+export function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement): void {
+
+  // Calculate textarea position relative to the screen element
+  const pos = screenElement.getBoundingClientRect();
+  const left = ev.clientX - pos.left - 10;
+  const top = ev.clientY - pos.top - 10;
+
+  // Bring textarea at the cursor position
+  textarea.style.width = '20px';
+  textarea.style.height = '20px';
+  textarea.style.left = `${left}px`;
+  textarea.style.top = `${top}px`;
+  textarea.style.zIndex = '1000';
+
+  textarea.focus();
+}
+
+/**
+ * Bind to right-click event and allow right-click copy and paste.
+ */
+export function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement, selectionService: ISelectionService, shouldSelectWord: boolean): void {
+  moveTextAreaUnderMouseCursor(ev, textarea, screenElement);
+
+  if (shouldSelectWord) {
+    selectionService.rightClickSelect(ev);
+  }
+
+  // Get textarea ready to copy from the context menu
+  textarea.value = selectionService.selectionText;
+  textarea.select();
+}
diff --git a/web/public/node_modules/xterm/src/browser/ColorContrastCache.ts b/web/public/node_modules/xterm/src/browser/ColorContrastCache.ts
new file mode 100644
index 000000000..0c60e8db4
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/ColorContrastCache.ts
@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IColorContrastCache } from 'browser/Types';
+import { IColor } from 'common/Types';
+import { TwoKeyMap } from 'common/MultiKeyMap';
+
+export class ColorContrastCache implements IColorContrastCache {
+  private _color: TwoKeyMap</* bg */number, /* fg */number, IColor | null> = new TwoKeyMap();
+  private _css: TwoKeyMap</* bg */number, /* fg */number, string | null> = new TwoKeyMap();
+
+  public setCss(bg: number, fg: number, value: string | null): void {
+    this._css.set(bg, fg, value);
+  }
+
+  public getCss(bg: number, fg: number): string | null | undefined {
+    return this._css.get(bg, fg);
+  }
+
+  public setColor(bg: number, fg: number, value: IColor | null): void {
+    this._color.set(bg, fg, value);
+  }
+
+  public getColor(bg: number, fg: number): IColor | null | undefined {
+    return this._color.get(bg, fg);
+  }
+
+  public clear(): void {
+    this._color.clear();
+    this._css.clear();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/Lifecycle.ts b/web/public/node_modules/xterm/src/browser/Lifecycle.ts
new file mode 100644
index 000000000..8e0272b27
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/Lifecycle.ts
@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+
+/**
+ * Adds a disposable listener to a node in the DOM, returning the disposable.
+ * @param node The node to add a listener to.
+ * @param type The event type.
+ * @param handler The handler for the listener.
+ * @param options The boolean or options object to pass on to the event
+ * listener.
+ */
+export function addDisposableDomListener(
+  node: Element | Window | Document,
+  type: string,
+  handler: (e: any) => void,
+  options?: boolean | AddEventListenerOptions
+): IDisposable {
+  node.addEventListener(type, handler, options);
+  let disposed = false;
+  return {
+    dispose: () => {
+      if (disposed) {
+        return;
+      }
+      disposed = true;
+      node.removeEventListener(type, handler, options);
+    }
+  };
+}
diff --git a/web/public/node_modules/xterm/src/browser/Linkifier2.ts b/web/public/node_modules/xterm/src/browser/Linkifier2.ts
new file mode 100644
index 000000000..28002e04d
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/Linkifier2.ts
@@ -0,0 +1,416 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { IBufferCellPosition, ILink, ILinkDecorations, ILinkProvider, ILinkWithState, ILinkifier2, ILinkifierEvent } from 'browser/Types';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, disposeArray, getDisposeArrayDisposable, toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+import { IBufferService } from 'common/services/Services';
+import { IMouseService, IRenderService } from './services/Services';
+
+export class Linkifier2 extends Disposable implements ILinkifier2 {
+  private _element: HTMLElement | undefined;
+  private _mouseService: IMouseService | undefined;
+  private _renderService: IRenderService | undefined;
+  private _linkProviders: ILinkProvider[] = [];
+  public get currentLink(): ILinkWithState | undefined { return this._currentLink; }
+  protected _currentLink: ILinkWithState | undefined;
+  private _mouseDownLink: ILinkWithState | undefined;
+  private _lastMouseEvent: MouseEvent | undefined;
+  private _linkCacheDisposables: IDisposable[] = [];
+  private _lastBufferCell: IBufferCellPosition | undefined;
+  private _isMouseOut: boolean = true;
+  private _wasResized: boolean = false;
+  private _activeProviderReplies: Map<Number, ILinkWithState[] | undefined> | undefined;
+  private _activeLine: number = -1;
+
+  private readonly _onShowLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());
+  public readonly onShowLinkUnderline = this._onShowLinkUnderline.event;
+  private readonly _onHideLinkUnderline = this.register(new EventEmitter<ILinkifierEvent>());
+  public readonly onHideLinkUnderline = this._onHideLinkUnderline.event;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService
+  ) {
+    super();
+    this.register(getDisposeArrayDisposable(this._linkCacheDisposables));
+    this.register(toDisposable(() => {
+      this._lastMouseEvent = undefined;
+    }));
+    // Listen to resize to catch the case where it's resized and the cursor is out of the viewport.
+    this.register(this._bufferService.onResize(() => {
+      this._clearCurrentLink();
+      this._wasResized = true;
+    }));
+  }
+
+  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
+    this._linkProviders.push(linkProvider);
+    return {
+      dispose: () => {
+        // Remove the link provider from the list
+        const providerIndex = this._linkProviders.indexOf(linkProvider);
+
+        if (providerIndex !== -1) {
+          this._linkProviders.splice(providerIndex, 1);
+        }
+      }
+    };
+  }
+
+  public attachToDom(element: HTMLElement, mouseService: IMouseService, renderService: IRenderService): void {
+    this._element = element;
+    this._mouseService = mouseService;
+    this._renderService = renderService;
+
+    this.register(addDisposableDomListener(this._element, 'mouseleave', () => {
+      this._isMouseOut = true;
+      this._clearCurrentLink();
+    }));
+    this.register(addDisposableDomListener(this._element, 'mousemove', this._handleMouseMove.bind(this)));
+    this.register(addDisposableDomListener(this._element, 'mousedown', this._handleMouseDown.bind(this)));
+    this.register(addDisposableDomListener(this._element, 'mouseup', this._handleMouseUp.bind(this)));
+  }
+
+  private _handleMouseMove(event: MouseEvent): void {
+    this._lastMouseEvent = event;
+
+    if (!this._element || !this._mouseService) {
+      return;
+    }
+
+    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);
+    if (!position) {
+      return;
+    }
+    this._isMouseOut = false;
+
+    // Ignore the event if it's an embedder created hover widget
+    const composedPath = event.composedPath() as HTMLElement[];
+    for (let i = 0; i < composedPath.length; i++) {
+      const target = composedPath[i];
+      // Hit Terminal.element, break and continue
+      if (target.classList.contains('xterm')) {
+        break;
+      }
+      // It's a hover, don't respect hover event
+      if (target.classList.contains('xterm-hover')) {
+        return;
+      }
+    }
+
+    if (!this._lastBufferCell || (position.x !== this._lastBufferCell.x || position.y !== this._lastBufferCell.y)) {
+      this._handleHover(position);
+      this._lastBufferCell = position;
+    }
+  }
+
+  private _handleHover(position: IBufferCellPosition): void {
+    // TODO: This currently does not cache link provider results across wrapped lines, activeLine
+    //       should be something like `activeRange: {startY, endY}`
+    // Check if we need to clear the link
+    if (this._activeLine !== position.y || this._wasResized) {
+      this._clearCurrentLink();
+      this._askForLink(position, false);
+      this._wasResized = false;
+      return;
+    }
+
+    // Check the if the link is in the mouse position
+    const isCurrentLinkInPosition = this._currentLink && this._linkAtPosition(this._currentLink.link, position);
+    if (!isCurrentLinkInPosition) {
+      this._clearCurrentLink();
+      this._askForLink(position, true);
+    }
+  }
+
+  private _askForLink(position: IBufferCellPosition, useLineCache: boolean): void {
+    if (!this._activeProviderReplies || !useLineCache) {
+      this._activeProviderReplies?.forEach(reply => {
+        reply?.forEach(linkWithState => {
+          if (linkWithState.link.dispose) {
+            linkWithState.link.dispose();
+          }
+        });
+      });
+      this._activeProviderReplies = new Map();
+      this._activeLine = position.y;
+    }
+    let linkProvided = false;
+
+    // There is no link cached, so ask for one
+    for (const [i, linkProvider] of this._linkProviders.entries()) {
+      if (useLineCache) {
+        const existingReply = this._activeProviderReplies?.get(i);
+        // If there isn't a reply, the provider hasn't responded yet.
+
+        // TODO: If there isn't a reply yet it means that the provider is still resolving. Ensuring
+        // provideLinks isn't triggered again saves ILink.hover firing twice though. This probably
+        // needs promises to get fixed
+        if (existingReply) {
+          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);
+        }
+      } else {
+        linkProvider.provideLinks(position.y, (links: ILink[] | undefined) => {
+          if (this._isMouseOut) {
+            return;
+          }
+          const linksWithState: ILinkWithState[] | undefined = links?.map(link  => ({ link }));
+          this._activeProviderReplies?.set(i, linksWithState);
+          linkProvided = this._checkLinkProviderResult(i, position, linkProvided);
+
+          // If all providers have responded, remove lower priority links that intersect ranges of
+          // higher priority links
+          if (this._activeProviderReplies?.size === this._linkProviders.length) {
+            this._removeIntersectingLinks(position.y, this._activeProviderReplies);
+          }
+        });
+      }
+    }
+  }
+
+  private _removeIntersectingLinks(y: number, replies: Map<Number, ILinkWithState[] | undefined>): void {
+    const occupiedCells = new Set<number>();
+    for (let i = 0; i < replies.size; i++) {
+      const providerReply = replies.get(i);
+      if (!providerReply) {
+        continue;
+      }
+      for (let i = 0; i < providerReply.length; i++) {
+        const linkWithState = providerReply[i];
+        const startX = linkWithState.link.range.start.y < y ? 0 : linkWithState.link.range.start.x;
+        const endX = linkWithState.link.range.end.y > y ? this._bufferService.cols : linkWithState.link.range.end.x;
+        for (let x = startX; x <= endX; x++) {
+          if (occupiedCells.has(x)) {
+            providerReply.splice(i--, 1);
+            break;
+          }
+          occupiedCells.add(x);
+        }
+      }
+    }
+  }
+
+  private _checkLinkProviderResult(index: number, position: IBufferCellPosition, linkProvided: boolean): boolean {
+    if (!this._activeProviderReplies) {
+      return linkProvided;
+    }
+
+    const links = this._activeProviderReplies.get(index);
+
+    // Check if every provider before this one has come back undefined
+    let hasLinkBefore = false;
+    for (let j = 0; j < index; j++) {
+      if (!this._activeProviderReplies.has(j) || this._activeProviderReplies.get(j)) {
+        hasLinkBefore = true;
+      }
+    }
+
+    // If all providers with higher priority came back undefined, then this provider's link for
+    // the position should be used
+    if (!hasLinkBefore && links) {
+      const linkAtPosition = links.find(link => this._linkAtPosition(link.link, position));
+      if (linkAtPosition) {
+        linkProvided = true;
+        this._handleNewLink(linkAtPosition);
+      }
+    }
+
+    // Check if all the providers have responded
+    if (this._activeProviderReplies.size === this._linkProviders.length && !linkProvided) {
+      // Respect the order of the link providers
+      for (let j = 0; j < this._activeProviderReplies.size; j++) {
+        const currentLink = this._activeProviderReplies.get(j)?.find(link => this._linkAtPosition(link.link, position));
+        if (currentLink) {
+          linkProvided = true;
+          this._handleNewLink(currentLink);
+          break;
+        }
+      }
+    }
+
+    return linkProvided;
+  }
+
+  private _handleMouseDown(): void {
+    this._mouseDownLink = this._currentLink;
+  }
+
+  private _handleMouseUp(event: MouseEvent): void {
+    if (!this._element || !this._mouseService || !this._currentLink) {
+      return;
+    }
+
+    const position = this._positionFromMouseEvent(event, this._element, this._mouseService);
+    if (!position) {
+      return;
+    }
+
+    if (this._mouseDownLink === this._currentLink && this._linkAtPosition(this._currentLink.link, position)) {
+      this._currentLink.link.activate(event, this._currentLink.link.text);
+    }
+  }
+
+  private _clearCurrentLink(startRow?: number, endRow?: number): void {
+    if (!this._element || !this._currentLink || !this._lastMouseEvent) {
+      return;
+    }
+
+    // If we have a start and end row, check that the link is within it
+    if (!startRow || !endRow || (this._currentLink.link.range.start.y >= startRow && this._currentLink.link.range.end.y <= endRow)) {
+      this._linkLeave(this._element, this._currentLink.link, this._lastMouseEvent);
+      this._currentLink = undefined;
+      disposeArray(this._linkCacheDisposables);
+    }
+  }
+
+  private _handleNewLink(linkWithState: ILinkWithState): void {
+    if (!this._element || !this._lastMouseEvent || !this._mouseService) {
+      return;
+    }
+
+    const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService);
+
+    if (!position) {
+      return;
+    }
+
+    // Trigger hover if the we have a link at the position
+    if (this._linkAtPosition(linkWithState.link, position)) {
+      this._currentLink = linkWithState;
+      this._currentLink.state = {
+        decorations: {
+          underline: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.underline,
+          pointerCursor: linkWithState.link.decorations === undefined ? true : linkWithState.link.decorations.pointerCursor
+        },
+        isHovered: true
+      };
+      this._linkHover(this._element, linkWithState.link, this._lastMouseEvent);
+
+      // Add listener for tracking decorations changes
+      linkWithState.link.decorations = {} as ILinkDecorations;
+      Object.defineProperties(linkWithState.link.decorations, {
+        pointerCursor: {
+          get: () => this._currentLink?.state?.decorations.pointerCursor,
+          set: v => {
+            if (this._currentLink?.state && this._currentLink.state.decorations.pointerCursor !== v) {
+              this._currentLink.state.decorations.pointerCursor = v;
+              if (this._currentLink.state.isHovered) {
+                this._element?.classList.toggle('xterm-cursor-pointer', v);
+              }
+            }
+          }
+        },
+        underline: {
+          get: () => this._currentLink?.state?.decorations.underline,
+          set: v => {
+            if (this._currentLink?.state && this._currentLink?.state?.decorations.underline !== v) {
+              this._currentLink.state.decorations.underline = v;
+              if (this._currentLink.state.isHovered) {
+                this._fireUnderlineEvent(linkWithState.link, v);
+              }
+            }
+          }
+        }
+      });
+
+      // Listen to viewport changes to re-render the link under the cursor (only when the line the
+      // link is on changes)
+      if (this._renderService) {
+        this._linkCacheDisposables.push(this._renderService.onRenderedViewportChange(e => {
+          // Sanity check, this shouldn't happen in practice as this listener would be disposed
+          if (!this._currentLink) {
+            return;
+          }
+          // When start is 0 a scroll most likely occurred, make sure links above the fold also get
+          // cleared.
+          const start = e.start === 0 ? 0 : e.start + 1 + this._bufferService.buffer.ydisp;
+          const end = this._bufferService.buffer.ydisp + 1 + e.end;
+          // Only clear the link if the viewport change happened on this line
+          if (this._currentLink.link.range.start.y >= start && this._currentLink.link.range.end.y <= end) {
+            this._clearCurrentLink(start, end);
+            if (this._lastMouseEvent && this._element) {
+              // re-eval previously active link after changes
+              const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService!);
+              if (position) {
+                this._askForLink(position, false);
+              }
+            }
+          }
+        }));
+      }
+    }
+  }
+
+  protected _linkHover(element: HTMLElement, link: ILink, event: MouseEvent): void {
+    if (this._currentLink?.state) {
+      this._currentLink.state.isHovered = true;
+      if (this._currentLink.state.decorations.underline) {
+        this._fireUnderlineEvent(link, true);
+      }
+      if (this._currentLink.state.decorations.pointerCursor) {
+        element.classList.add('xterm-cursor-pointer');
+      }
+    }
+
+    if (link.hover) {
+      link.hover(event, link.text);
+    }
+  }
+
+  private _fireUnderlineEvent(link: ILink, showEvent: boolean): void {
+    const range = link.range;
+    const scrollOffset = this._bufferService.buffer.ydisp;
+    const event = this._createLinkUnderlineEvent(range.start.x - 1, range.start.y - scrollOffset - 1, range.end.x, range.end.y - scrollOffset - 1, undefined);
+    const emitter = showEvent ? this._onShowLinkUnderline : this._onHideLinkUnderline;
+    emitter.fire(event);
+  }
+
+  protected _linkLeave(element: HTMLElement, link: ILink, event: MouseEvent): void {
+    if (this._currentLink?.state) {
+      this._currentLink.state.isHovered = false;
+      if (this._currentLink.state.decorations.underline) {
+        this._fireUnderlineEvent(link, false);
+      }
+      if (this._currentLink.state.decorations.pointerCursor) {
+        element.classList.remove('xterm-cursor-pointer');
+      }
+    }
+
+    if (link.leave) {
+      link.leave(event, link.text);
+    }
+  }
+
+  /**
+   * Check if the buffer position is within the link
+   * @param link
+   * @param position
+   */
+  private _linkAtPosition(link: ILink, position: IBufferCellPosition): boolean {
+    const lower = link.range.start.y * this._bufferService.cols + link.range.start.x;
+    const upper = link.range.end.y * this._bufferService.cols + link.range.end.x;
+    const current = position.y * this._bufferService.cols + position.x;
+    return (lower <= current && current <= upper);
+  }
+
+  /**
+   * Get the buffer position from a mouse event
+   * @param event
+   */
+  private _positionFromMouseEvent(event: MouseEvent, element: HTMLElement, mouseService: IMouseService): IBufferCellPosition | undefined {
+    const coords = mouseService.getCoords(event, element, this._bufferService.cols, this._bufferService.rows);
+    if (!coords) {
+      return;
+    }
+
+    return { x: coords[0], y: coords[1] + this._bufferService.buffer.ydisp };
+  }
+
+  private _createLinkUnderlineEvent(x1: number, y1: number, x2: number, y2: number, fg: number | undefined): ILinkifierEvent {
+    return { x1, y1, x2, y2, cols: this._bufferService.cols, fg };
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/LocalizableStrings.ts b/web/public/node_modules/xterm/src/browser/LocalizableStrings.ts
new file mode 100644
index 000000000..d8bcc2c61
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/LocalizableStrings.ts
@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+// This file contains strings that get exported in the API so they can be localized
+
+// eslint-disable-next-line prefer-const
+export let promptLabel = 'Terminal input';
+
+// eslint-disable-next-line prefer-const
+export let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';
diff --git a/web/public/node_modules/xterm/src/browser/OscLinkProvider.ts b/web/public/node_modules/xterm/src/browser/OscLinkProvider.ts
new file mode 100644
index 000000000..fee1ae7c0
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/OscLinkProvider.ts
@@ -0,0 +1,128 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferRange, ILink, ILinkProvider } from 'browser/Types';
+import { CellData } from 'common/buffer/CellData';
+import { IBufferService, IOptionsService, IOscLinkService } from 'common/services/Services';
+
+export class OscLinkProvider implements ILinkProvider {
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IOscLinkService private readonly _oscLinkService: IOscLinkService
+  ) {
+  }
+
+  public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {
+    const line = this._bufferService.buffer.lines.get(y - 1);
+    if (!line) {
+      callback(undefined);
+      return;
+    }
+
+    const result: ILink[] = [];
+    const linkHandler = this._optionsService.rawOptions.linkHandler;
+    const cell = new CellData();
+    const lineLength = line.getTrimmedLength();
+    let currentLinkId = -1;
+    let currentStart = -1;
+    let finishLink = false;
+    for (let x = 0; x < lineLength; x++) {
+      // Minor optimization, only check for content if there isn't a link in case the link ends with
+      // a null cell
+      if (currentStart === -1 && !line.hasContent(x)) {
+        continue;
+      }
+
+      line.loadCell(x, cell);
+      if (cell.hasExtendedAttrs() && cell.extended.urlId) {
+        if (currentStart === -1) {
+          currentStart = x;
+          currentLinkId = cell.extended.urlId;
+          continue;
+        } else {
+          finishLink = cell.extended.urlId !== currentLinkId;
+        }
+      } else {
+        if (currentStart !== -1) {
+          finishLink = true;
+        }
+      }
+
+      if (finishLink || (currentStart !== -1 && x === lineLength - 1)) {
+        const text = this._oscLinkService.getLinkData(currentLinkId)?.uri;
+        if (text) {
+          // These ranges are 1-based
+          const range: IBufferRange = {
+            start: {
+              x: currentStart + 1,
+              y
+            },
+            end: {
+              // Offset end x if it's a link that ends on the last cell in the line
+              x: x + (!finishLink && x === lineLength - 1 ? 1 : 0),
+              y
+            }
+          };
+
+          let ignoreLink = false;
+          if (!linkHandler?.allowNonHttpProtocols) {
+            try {
+              const parsed = new URL(text);
+              if (!['http:', 'https:'].includes(parsed.protocol)) {
+                ignoreLink = true;
+              }
+            } catch (e) {
+              // Ignore invalid URLs to prevent unexpected behaviors
+              ignoreLink = true;
+            }
+          }
+
+          if (!ignoreLink) {
+            // OSC links always use underline and pointer decorations
+            result.push({
+              text,
+              range,
+              activate: (e, text) => (linkHandler ? linkHandler.activate(e, text, range) : defaultActivate(e, text)),
+              hover: (e, text) => linkHandler?.hover?.(e, text, range),
+              leave: (e, text) => linkHandler?.leave?.(e, text, range)
+            });
+          }
+        }
+        finishLink = false;
+
+        // Clear link or start a new link if one starts immediately
+        if (cell.hasExtendedAttrs() && cell.extended.urlId) {
+          currentStart = x;
+          currentLinkId = cell.extended.urlId;
+        } else {
+          currentStart = -1;
+          currentLinkId = -1;
+        }
+      }
+    }
+
+    // TODO: Handle fetching and returning other link ranges to underline other links with the same
+    //       id
+    callback(result);
+  }
+}
+
+function defaultActivate(e: MouseEvent, uri: string): void {
+  const answer = confirm(`Do you want to navigate to ${uri}?\n\nWARNING: This link could potentially be dangerous`);
+  if (answer) {
+    const newWindow = window.open();
+    if (newWindow) {
+      try {
+        newWindow.opener = null;
+      } catch {
+        // no-op, Electron can throw
+      }
+      newWindow.location.href = uri;
+    } else {
+      console.warn('Opening link blocked as opener could not be cleared');
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/RenderDebouncer.ts b/web/public/node_modules/xterm/src/browser/RenderDebouncer.ts
new file mode 100644
index 000000000..b3118d5f6
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/RenderDebouncer.ts
@@ -0,0 +1,83 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IRenderDebouncerWithCallback } from 'browser/Types';
+
+/**
+ * Debounces calls to render terminal rows using animation frames.
+ */
+export class RenderDebouncer implements IRenderDebouncerWithCallback {
+  private _rowStart: number | undefined;
+  private _rowEnd: number | undefined;
+  private _rowCount: number | undefined;
+  private _animationFrame: number | undefined;
+  private _refreshCallbacks: FrameRequestCallback[] = [];
+
+  constructor(
+    private _parentWindow: Window,
+    private _renderCallback: (start: number, end: number) => void
+  ) {
+  }
+
+  public dispose(): void {
+    if (this._animationFrame) {
+      this._parentWindow.cancelAnimationFrame(this._animationFrame);
+      this._animationFrame = undefined;
+    }
+  }
+
+  public addRefreshCallback(callback: FrameRequestCallback): number {
+    this._refreshCallbacks.push(callback);
+    if (!this._animationFrame) {
+      this._animationFrame = this._parentWindow.requestAnimationFrame(() => this._innerRefresh());
+    }
+    return this._animationFrame;
+  }
+
+  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {
+    this._rowCount = rowCount;
+    // Get the min/max row start/end for the arg values
+    rowStart = rowStart !== undefined ? rowStart : 0;
+    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
+    // Set the properties to the updated values
+    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
+    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
+
+    if (this._animationFrame) {
+      return;
+    }
+
+    this._animationFrame = this._parentWindow.requestAnimationFrame(() => this._innerRefresh());
+  }
+
+  private _innerRefresh(): void {
+    this._animationFrame = undefined;
+
+    // Make sure values are set
+    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
+      this._runRefreshCallbacks();
+      return;
+    }
+
+    // Clamp values
+    const start = Math.max(this._rowStart, 0);
+    const end = Math.min(this._rowEnd, this._rowCount - 1);
+
+    // Reset debouncer (this happens before render callback as the render could trigger it again)
+    this._rowStart = undefined;
+    this._rowEnd = undefined;
+
+    // Run render callback
+    this._renderCallback(start, end);
+    this._runRefreshCallbacks();
+  }
+
+  private _runRefreshCallbacks(): void {
+    for (const callback of this._refreshCallbacks) {
+      callback(0);
+    }
+    this._refreshCallbacks = [];
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/ScreenDprMonitor.ts b/web/public/node_modules/xterm/src/browser/ScreenDprMonitor.ts
new file mode 100644
index 000000000..1c3f31b75
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/ScreenDprMonitor.ts
@@ -0,0 +1,72 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Disposable, toDisposable } from 'common/Lifecycle';
+
+export type ScreenDprListener = (newDevicePixelRatio?: number, oldDevicePixelRatio?: number) => void;
+
+/**
+ * The screen device pixel ratio monitor allows listening for when the
+ * window.devicePixelRatio value changes. This is done not with polling but with
+ * the use of window.matchMedia to watch media queries. When the event fires,
+ * the listener will be reattached using a different media query to ensure that
+ * any further changes will register.
+ *
+ * The listener should fire on both window zoom changes and switching to a
+ * monitor with a different DPI.
+ */
+export class ScreenDprMonitor extends Disposable {
+  private _currentDevicePixelRatio: number;
+  private _outerListener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | undefined;
+  private _listener: ScreenDprListener | undefined;
+  private _resolutionMediaMatchList: MediaQueryList | undefined;
+
+  constructor(private _parentWindow: Window) {
+    super();
+    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;
+    this.register(toDisposable(() => {
+      this.clearListener();
+    }));
+  }
+
+  public setListener(listener: ScreenDprListener): void {
+    if (this._listener) {
+      this.clearListener();
+    }
+    this._listener = listener;
+    this._outerListener = () => {
+      if (!this._listener) {
+        return;
+      }
+      this._listener(this._parentWindow.devicePixelRatio, this._currentDevicePixelRatio);
+      this._updateDpr();
+    };
+    this._updateDpr();
+  }
+
+  private _updateDpr(): void {
+    if (!this._outerListener) {
+      return;
+    }
+
+    // Clear listeners for old DPR
+    this._resolutionMediaMatchList?.removeListener(this._outerListener);
+
+    // Add listeners for new DPR
+    this._currentDevicePixelRatio = this._parentWindow.devicePixelRatio;
+    this._resolutionMediaMatchList = this._parentWindow.matchMedia(`screen and (resolution: ${this._parentWindow.devicePixelRatio}dppx)`);
+    this._resolutionMediaMatchList.addListener(this._outerListener);
+  }
+
+  public clearListener(): void {
+    if (!this._resolutionMediaMatchList || !this._listener || !this._outerListener) {
+      return;
+    }
+    this._resolutionMediaMatchList.removeListener(this._outerListener);
+    this._resolutionMediaMatchList = undefined;
+    this._listener = undefined;
+    this._outerListener = undefined;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/Terminal.ts b/web/public/node_modules/xterm/src/browser/Terminal.ts
new file mode 100644
index 000000000..a092e1bc3
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/Terminal.ts
@@ -0,0 +1,1305 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ *
+ * Terminal Emulation References:
+ *   http://vt100.net/
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
+ *   http://invisible-island.net/vttest/
+ *   http://www.inwap.com/pdp10/ansicode.txt
+ *   http://linux.die.net/man/4/console_codes
+ *   http://linux.die.net/man/7/urxvt
+ */
+
+import { copyHandler, handlePasteEvent, moveTextAreaUnderMouseCursor, paste, rightClickHandler } from 'browser/Clipboard';
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { Linkifier2 } from 'browser/Linkifier2';
+import * as Strings from 'browser/LocalizableStrings';
+import { OscLinkProvider } from 'browser/OscLinkProvider';
+import { CharacterJoinerHandler, CustomKeyEventHandler, IBrowser, IBufferRange, ICompositionHelper, ILinkifier2, ITerminal, IViewport } from 'browser/Types';
+import { Viewport } from 'browser/Viewport';
+import { BufferDecorationRenderer } from 'browser/decorations/BufferDecorationRenderer';
+import { OverviewRulerRenderer } from 'browser/decorations/OverviewRulerRenderer';
+import { CompositionHelper } from 'browser/input/CompositionHelper';
+import { DomRenderer } from 'browser/renderer/dom/DomRenderer';
+import { IRenderer } from 'browser/renderer/shared/Types';
+import { CharSizeService } from 'browser/services/CharSizeService';
+import { CharacterJoinerService } from 'browser/services/CharacterJoinerService';
+import { CoreBrowserService } from 'browser/services/CoreBrowserService';
+import { MouseService } from 'browser/services/MouseService';
+import { RenderService } from 'browser/services/RenderService';
+import { SelectionService } from 'browser/services/SelectionService';
+import { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, IMouseService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';
+import { ThemeService } from 'browser/services/ThemeService';
+import { color, rgba } from 'common/Color';
+import { CoreTerminal } from 'common/CoreTerminal';
+import { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';
+import { MutableDisposable, toDisposable } from 'common/Lifecycle';
+import * as Browser from 'common/Platform';
+import { ColorRequestType, CoreMouseAction, CoreMouseButton, CoreMouseEventType, IColorEvent, ITerminalOptions, KeyboardResultType, ScrollSource, SpecialColorIndex } from 'common/Types';
+import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { IBuffer } from 'common/buffer/Types';
+import { C0, C1_ESCAPED } from 'common/data/EscapeSequences';
+import { evaluateKeyboardEvent } from 'common/input/Keyboard';
+import { toRgbString } from 'common/input/XParseColor';
+import { DecorationService } from 'common/services/DecorationService';
+import { IDecorationService } from 'common/services/Services';
+import { IDecoration, IDecorationOptions, IDisposable, ILinkProvider, IMarker } from 'xterm';
+import { WindowsOptionsReportType } from '../common/InputHandler';
+import { AccessibilityManager } from './AccessibilityManager';
+
+// Let it work inside Node.js for automated testing purposes.
+const document: Document = (typeof window !== 'undefined') ? window.document : null as any;
+
+export class Terminal extends CoreTerminal implements ITerminal {
+  public textarea: HTMLTextAreaElement | undefined;
+  public element: HTMLElement | undefined;
+  public screenElement: HTMLElement | undefined;
+
+  private _document: Document | undefined;
+  private _viewportScrollArea: HTMLElement | undefined;
+  private _viewportElement: HTMLElement | undefined;
+  private _helperContainer: HTMLElement | undefined;
+  private _compositionView: HTMLElement | undefined;
+
+  private _overviewRulerRenderer: OverviewRulerRenderer | undefined;
+
+  public browser: IBrowser = Browser as any;
+
+  private _customKeyEventHandler: CustomKeyEventHandler | undefined;
+
+  // browser services
+  private _decorationService: DecorationService;
+  private _charSizeService: ICharSizeService | undefined;
+  private _coreBrowserService: ICoreBrowserService | undefined;
+  private _mouseService: IMouseService | undefined;
+  private _renderService: IRenderService | undefined;
+  private _themeService: IThemeService | undefined;
+  private _characterJoinerService: ICharacterJoinerService | undefined;
+  private _selectionService: ISelectionService | undefined;
+
+  /**
+   * Records whether the keydown event has already been handled and triggered a data event, if so
+   * the keypress event should not trigger a data event but should still print to the textarea so
+   * screen readers will announce it.
+   */
+  private _keyDownHandled: boolean = false;
+
+  /**
+   * Records whether a keydown event has occured since the last keyup event, i.e. whether a key
+   * is currently "pressed".
+   */
+  private _keyDownSeen: boolean = false;
+
+  /**
+   * Records whether the keypress event has already been handled and triggered a data event, if so
+   * the input event should not trigger a data event but should still print to the textarea so
+   * screen readers will announce it.
+   */
+  private _keyPressHandled: boolean = false;
+
+  /**
+   * Records whether there has been a keydown event for a dead key without a corresponding keydown
+   * event for the composed/alternative character. If we cancel the keydown event for the dead key,
+   * no events will be emitted for the final character.
+   */
+  private _unprocessedDeadKey: boolean = false;
+
+  public linkifier2: ILinkifier2;
+  public viewport: IViewport | undefined;
+  private _compositionHelper: ICompositionHelper | undefined;
+  private _accessibilityManager: MutableDisposable<AccessibilityManager> = this.register(new MutableDisposable());
+
+  private readonly _onCursorMove = this.register(new EventEmitter<void>());
+  public readonly onCursorMove = this._onCursorMove.event;
+  private readonly _onKey = this.register(new EventEmitter<{ key: string, domEvent: KeyboardEvent }>());
+  public readonly onKey = this._onKey.event;
+  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRender = this._onRender.event;
+  private readonly _onSelectionChange = this.register(new EventEmitter<void>());
+  public readonly onSelectionChange = this._onSelectionChange.event;
+  private readonly _onTitleChange = this.register(new EventEmitter<string>());
+  public readonly onTitleChange = this._onTitleChange.event;
+  private readonly _onBell = this.register(new EventEmitter<void>());
+  public readonly onBell = this._onBell.event;
+
+  private _onFocus = this.register(new EventEmitter<void>());
+  public get onFocus(): IEvent<void> { return this._onFocus.event; }
+  private _onBlur = this.register(new EventEmitter<void>());
+  public get onBlur(): IEvent<void> { return this._onBlur.event; }
+  private _onA11yCharEmitter = this.register(new EventEmitter<string>());
+  public get onA11yChar(): IEvent<string> { return this._onA11yCharEmitter.event; }
+  private _onA11yTabEmitter = this.register(new EventEmitter<number>());
+  public get onA11yTab(): IEvent<number> { return this._onA11yTabEmitter.event; }
+  private _onWillOpen = this.register(new EventEmitter<HTMLElement>());
+  public get onWillOpen(): IEvent<HTMLElement> { return this._onWillOpen.event; }
+
+  constructor(
+    options: Partial<ITerminalOptions> = {}
+  ) {
+    super(options);
+
+    this._setup();
+
+    this.linkifier2 = this.register(this._instantiationService.createInstance(Linkifier2));
+    this.linkifier2.registerLinkProvider(this._instantiationService.createInstance(OscLinkProvider));
+    this._decorationService = this._instantiationService.createInstance(DecorationService);
+    this._instantiationService.setService(IDecorationService, this._decorationService);
+
+    // Setup InputHandler listeners
+    this.register(this._inputHandler.onRequestBell(() => this._onBell.fire()));
+    this.register(this._inputHandler.onRequestRefreshRows((start, end) => this.refresh(start, end)));
+    this.register(this._inputHandler.onRequestSendFocus(() => this._reportFocus()));
+    this.register(this._inputHandler.onRequestReset(() => this.reset()));
+    this.register(this._inputHandler.onRequestWindowsOptionsReport(type => this._reportWindowsOptions(type)));
+    this.register(this._inputHandler.onColor((event) => this._handleColorEvent(event)));
+    this.register(forwardEvent(this._inputHandler.onCursorMove, this._onCursorMove));
+    this.register(forwardEvent(this._inputHandler.onTitleChange, this._onTitleChange));
+    this.register(forwardEvent(this._inputHandler.onA11yChar, this._onA11yCharEmitter));
+    this.register(forwardEvent(this._inputHandler.onA11yTab, this._onA11yTabEmitter));
+
+    // Setup listeners
+    this.register(this._bufferService.onResize(e => this._afterResize(e.cols, e.rows)));
+
+    this.register(toDisposable(() => {
+      this._customKeyEventHandler = undefined;
+      this.element?.parentNode?.removeChild(this.element);
+    }));
+  }
+
+  /**
+   * Handle color event from inputhandler for OSC 4|104 | 10|110 | 11|111 | 12|112.
+   * An event from OSC 4|104 may contain multiple set or report requests, and multiple
+   * or none restore requests (resetting all),
+   * while an event from OSC 10|110 | 11|111 | 12|112 always contains a single request.
+   */
+  private _handleColorEvent(event: IColorEvent): void {
+    if (!this._themeService) return;
+    for (const req of event) {
+      let acc: 'foreground' | 'background' | 'cursor' | 'ansi';
+      let ident = '';
+      switch (req.index) {
+        case SpecialColorIndex.FOREGROUND: // OSC 10 | 110
+          acc = 'foreground';
+          ident = '10';
+          break;
+        case SpecialColorIndex.BACKGROUND: // OSC 11 | 111
+          acc = 'background';
+          ident = '11';
+          break;
+        case SpecialColorIndex.CURSOR: // OSC 12 | 112
+          acc = 'cursor';
+          ident = '12';
+          break;
+        default: // OSC 4 | 104
+          // we can skip the [0..255] range check here (already done in inputhandler)
+          acc = 'ansi';
+          ident = '4;' + req.index;
+      }
+      switch (req.type) {
+        case ColorRequestType.REPORT:
+          const channels = color.toColorRGB(acc === 'ansi'
+            ? this._themeService.colors.ansi[req.index]
+            : this._themeService.colors[acc]);
+          this.coreService.triggerDataEvent(`${C0.ESC}]${ident};${toRgbString(channels)}${C1_ESCAPED.ST}`);
+          break;
+        case ColorRequestType.SET:
+          if (acc === 'ansi') {
+            this._themeService.modifyColors(colors => colors.ansi[req.index] = rgba.toColor(...req.color));
+          } else {
+            const narrowedAcc = acc;
+            this._themeService.modifyColors(colors => colors[narrowedAcc] = rgba.toColor(...req.color));
+          }
+          break;
+        case ColorRequestType.RESTORE:
+          this._themeService.restoreColor(req.index);
+          break;
+      }
+    }
+  }
+
+  protected _setup(): void {
+    super._setup();
+
+    this._customKeyEventHandler = undefined;
+  }
+
+  /**
+   * Convenience property to active buffer.
+   */
+  public get buffer(): IBuffer {
+    return this.buffers.active;
+  }
+
+  /**
+   * Focus the terminal. Delegates focus handling to the terminal's DOM element.
+   */
+  public focus(): void {
+    if (this.textarea) {
+      this.textarea.focus({ preventScroll: true });
+    }
+  }
+
+  private _handleScreenReaderModeOptionChange(value: boolean): void {
+    if (value) {
+      if (!this._accessibilityManager.value && this._renderService) {
+        this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);
+      }
+    } else {
+      this._accessibilityManager.clear();
+    }
+  }
+
+  /**
+   * Binds the desired focus behavior on a given terminal object.
+   */
+  private _handleTextAreaFocus(ev: KeyboardEvent): void {
+    if (this.coreService.decPrivateModes.sendFocus) {
+      this.coreService.triggerDataEvent(C0.ESC + '[I');
+    }
+    this.updateCursorStyle(ev);
+    this.element!.classList.add('focus');
+    this._showCursor();
+    this._onFocus.fire();
+  }
+
+  /**
+   * Blur the terminal, calling the blur function on the terminal's underlying
+   * textarea.
+   */
+  public blur(): void {
+    return this.textarea?.blur();
+  }
+
+  /**
+   * Binds the desired blur behavior on a given terminal object.
+   */
+  private _handleTextAreaBlur(): void {
+    // Text can safely be removed on blur. Doing it earlier could interfere with
+    // screen readers reading it out.
+    this.textarea!.value = '';
+    this.refresh(this.buffer.y, this.buffer.y);
+    if (this.coreService.decPrivateModes.sendFocus) {
+      this.coreService.triggerDataEvent(C0.ESC + '[O');
+    }
+    this.element!.classList.remove('focus');
+    this._onBlur.fire();
+  }
+
+  private _syncTextArea(): void {
+    if (!this.textarea || !this.buffer.isCursorInViewport || this._compositionHelper!.isComposing || !this._renderService) {
+      return;
+    }
+    const cursorY = this.buffer.ybase + this.buffer.y;
+    const bufferLine = this.buffer.lines.get(cursorY);
+    if (!bufferLine) {
+      return;
+    }
+    const cursorX = Math.min(this.buffer.x, this.cols - 1);
+    const cellHeight = this._renderService.dimensions.css.cell.height;
+    const width = bufferLine.getWidth(cursorX);
+    const cellWidth = this._renderService.dimensions.css.cell.width * width;
+    const cursorTop = this.buffer.y * this._renderService.dimensions.css.cell.height;
+    const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;
+
+    // Sync the textarea to the exact position of the composition view so the IME knows where the
+    // text is.
+    this.textarea.style.left = cursorLeft + 'px';
+    this.textarea.style.top = cursorTop + 'px';
+    this.textarea.style.width = cellWidth + 'px';
+    this.textarea.style.height = cellHeight + 'px';
+    this.textarea.style.lineHeight = cellHeight + 'px';
+    this.textarea.style.zIndex = '-5';
+  }
+
+  /**
+   * Initialize default behavior
+   */
+  private _initGlobal(): void {
+    this._bindKeys();
+
+    // Bind clipboard functionality
+    this.register(addDisposableDomListener(this.element!, 'copy', (event: ClipboardEvent) => {
+      // If mouse events are active it means the selection manager is disabled and
+      // copy should be handled by the host program.
+      if (!this.hasSelection()) {
+        return;
+      }
+      copyHandler(event, this._selectionService!);
+    }));
+    const pasteHandlerWrapper = (event: ClipboardEvent): void => handlePasteEvent(event, this.textarea!, this.coreService, this.optionsService);
+    this.register(addDisposableDomListener(this.textarea!, 'paste', pasteHandlerWrapper));
+    this.register(addDisposableDomListener(this.element!, 'paste', pasteHandlerWrapper));
+
+    // Handle right click context menus
+    if (Browser.isFirefox) {
+      // Firefox doesn't appear to fire the contextmenu event on right click
+      this.register(addDisposableDomListener(this.element!, 'mousedown', (event: MouseEvent) => {
+        if (event.button === 2) {
+          rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);
+        }
+      }));
+    } else {
+      this.register(addDisposableDomListener(this.element!, 'contextmenu', (event: MouseEvent) => {
+        rightClickHandler(event, this.textarea!, this.screenElement!, this._selectionService!, this.options.rightClickSelectsWord);
+      }));
+    }
+
+    // Move the textarea under the cursor when middle clicking on Linux to ensure
+    // middle click to paste selection works. This only appears to work in Chrome
+    // at the time is writing.
+    if (Browser.isLinux) {
+      // Use auxclick event over mousedown the latter doesn't seem to work. Note
+      // that the regular click event doesn't fire for the middle mouse button.
+      this.register(addDisposableDomListener(this.element!, 'auxclick', (event: MouseEvent) => {
+        if (event.button === 1) {
+          moveTextAreaUnderMouseCursor(event, this.textarea!, this.screenElement!);
+        }
+      }));
+    }
+  }
+
+  /**
+   * Apply key handling to the terminal
+   */
+  private _bindKeys(): void {
+    this.register(addDisposableDomListener(this.textarea!, 'keyup', (ev: KeyboardEvent) => this._keyUp(ev), true));
+    this.register(addDisposableDomListener(this.textarea!, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));
+    this.register(addDisposableDomListener(this.textarea!, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));
+    this.register(addDisposableDomListener(this.textarea!, 'compositionstart', () => this._compositionHelper!.compositionstart()));
+    this.register(addDisposableDomListener(this.textarea!, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper!.compositionupdate(e)));
+    this.register(addDisposableDomListener(this.textarea!, 'compositionend', () => this._compositionHelper!.compositionend()));
+    this.register(addDisposableDomListener(this.textarea!, 'input', (ev: InputEvent) => this._inputEvent(ev), true));
+    this.register(this.onRender(() => this._compositionHelper!.updateCompositionElements()));
+  }
+
+  /**
+   * Opens the terminal within an element.
+   *
+   * @param parent The element to create the terminal within.
+   */
+  public open(parent: HTMLElement): void {
+    if (!parent) {
+      throw new Error('Terminal requires a parent element.');
+    }
+
+    if (!parent.isConnected) {
+      this._logService.debug('Terminal.open was called on an element that was not attached to the DOM');
+    }
+
+    this._document = parent.ownerDocument!;
+
+    // Create main element container
+    this.element = this._document.createElement('div');
+    this.element.dir = 'ltr';   // xterm.css assumes LTR
+    this.element.classList.add('terminal');
+    this.element.classList.add('xterm');
+    parent.appendChild(this.element);
+
+    // Performance: Use a document fragment to build the terminal
+    // viewport and helper elements detached from the DOM
+    const fragment = document.createDocumentFragment();
+    this._viewportElement = document.createElement('div');
+    this._viewportElement.classList.add('xterm-viewport');
+    fragment.appendChild(this._viewportElement);
+
+    this._viewportScrollArea = document.createElement('div');
+    this._viewportScrollArea.classList.add('xterm-scroll-area');
+    this._viewportElement.appendChild(this._viewportScrollArea);
+
+    this.screenElement = document.createElement('div');
+    this.screenElement.classList.add('xterm-screen');
+    // Create the container that will hold helpers like the textarea for
+    // capturing DOM Events. Then produce the helpers.
+    this._helperContainer = document.createElement('div');
+    this._helperContainer.classList.add('xterm-helpers');
+    this.screenElement.appendChild(this._helperContainer);
+    fragment.appendChild(this.screenElement);
+
+    this.textarea = document.createElement('textarea');
+    this.textarea.classList.add('xterm-helper-textarea');
+    this.textarea.setAttribute('aria-label', Strings.promptLabel);
+    if (!Browser.isChromeOS) {
+      // ChromeVox on ChromeOS does not like this. See
+      // https://issuetracker.google.com/issues/260170397
+      this.textarea.setAttribute('aria-multiline', 'false');
+    }
+    this.textarea.setAttribute('autocorrect', 'off');
+    this.textarea.setAttribute('autocapitalize', 'off');
+    this.textarea.setAttribute('spellcheck', 'false');
+    this.textarea.tabIndex = 0;
+
+    // Register the core browser service before the generic textarea handlers are registered so it
+    // handles them first. Otherwise the renderers may use the wrong focus state.
+    this._coreBrowserService = this._instantiationService.createInstance(CoreBrowserService, this.textarea, this._document.defaultView ?? window);
+    this._instantiationService.setService(ICoreBrowserService, this._coreBrowserService);
+
+    this.register(addDisposableDomListener(this.textarea, 'focus', (ev: KeyboardEvent) => this._handleTextAreaFocus(ev)));
+    this.register(addDisposableDomListener(this.textarea, 'blur', () => this._handleTextAreaBlur()));
+    this._helperContainer.appendChild(this.textarea);
+
+
+    this._charSizeService = this._instantiationService.createInstance(CharSizeService, this._document, this._helperContainer);
+    this._instantiationService.setService(ICharSizeService, this._charSizeService);
+
+    this._themeService = this._instantiationService.createInstance(ThemeService);
+    this._instantiationService.setService(IThemeService, this._themeService);
+
+    this._characterJoinerService = this._instantiationService.createInstance(CharacterJoinerService);
+    this._instantiationService.setService(ICharacterJoinerService, this._characterJoinerService);
+
+    this._renderService = this.register(this._instantiationService.createInstance(RenderService, this.rows, this.screenElement));
+    this._instantiationService.setService(IRenderService, this._renderService);
+    this.register(this._renderService.onRenderedViewportChange(e => this._onRender.fire(e)));
+    this.onResize(e => this._renderService!.resize(e.cols, e.rows));
+
+    this._compositionView = document.createElement('div');
+    this._compositionView.classList.add('composition-view');
+    this._compositionHelper = this._instantiationService.createInstance(CompositionHelper, this.textarea, this._compositionView);
+    this._helperContainer.appendChild(this._compositionView);
+
+    // Performance: Add viewport and helper elements from the fragment
+    this.element.appendChild(fragment);
+
+    try {
+      this._onWillOpen.fire(this.element);
+    }
+    catch { /* fails to load addon for some reason */ }
+    if (!this._renderService.hasRenderer()) {
+      this._renderService.setRenderer(this._createRenderer());
+    }
+
+    this._mouseService = this._instantiationService.createInstance(MouseService);
+    this._instantiationService.setService(IMouseService, this._mouseService);
+
+    this.viewport = this._instantiationService.createInstance(Viewport, this._viewportElement, this._viewportScrollArea);
+    this.viewport.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent, ScrollSource.VIEWPORT)),
+    this.register(this._inputHandler.onRequestSyncScrollBar(() => this.viewport!.syncScrollArea()));
+    this.register(this.viewport);
+
+    this.register(this.onCursorMove(() => {
+      this._renderService!.handleCursorMove();
+      this._syncTextArea();
+    }));
+    this.register(this.onResize(() => this._renderService!.handleResize(this.cols, this.rows)));
+    this.register(this.onBlur(() => this._renderService!.handleBlur()));
+    this.register(this.onFocus(() => this._renderService!.handleFocus()));
+    this.register(this._renderService.onDimensionsChange(() => this.viewport!.syncScrollArea()));
+
+    this._selectionService = this.register(this._instantiationService.createInstance(SelectionService,
+      this.element,
+      this.screenElement,
+      this.linkifier2
+    ));
+    this._instantiationService.setService(ISelectionService, this._selectionService);
+    this.register(this._selectionService.onRequestScrollLines(e => this.scrollLines(e.amount, e.suppressScrollEvent)));
+    this.register(this._selectionService.onSelectionChange(() => this._onSelectionChange.fire()));
+    this.register(this._selectionService.onRequestRedraw(e => this._renderService!.handleSelectionChanged(e.start, e.end, e.columnSelectMode)));
+    this.register(this._selectionService.onLinuxMouseSelection(text => {
+      // If there's a new selection, put it into the textarea, focus and select it
+      // in order to register it as a selection on the OS. This event is fired
+      // only on Linux to enable middle click to paste selection.
+      this.textarea!.value = text;
+      this.textarea!.focus();
+      this.textarea!.select();
+    }));
+    this.register(this._onScroll.event(ev => {
+      this.viewport!.syncScrollArea();
+      this._selectionService!.refresh();
+    }));
+    this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this._selectionService!.refresh()));
+
+    this.linkifier2.attachToDom(this.screenElement, this._mouseService, this._renderService);
+    this.register(this._instantiationService.createInstance(BufferDecorationRenderer, this.screenElement));
+    this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.handleMouseDown(e)));
+
+    // apply mouse event classes set by escape codes before terminal was attached
+    if (this.coreMouseService.areMouseEventsActive) {
+      this._selectionService.disable();
+      this.element.classList.add('enable-mouse-events');
+    } else {
+      this._selectionService.enable();
+    }
+
+    if (this.options.screenReaderMode) {
+      // Note that this must be done *after* the renderer is created in order to
+      // ensure the correct order of the dprchange event
+      this._accessibilityManager.value = this._instantiationService.createInstance(AccessibilityManager, this);
+    }
+    this.register(this.optionsService.onSpecificOptionChange('screenReaderMode', e => this._handleScreenReaderModeOptionChange(e)));
+
+    if (this.options.overviewRulerWidth) {
+      this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
+    }
+    this.optionsService.onSpecificOptionChange('overviewRulerWidth', value => {
+      if (!this._overviewRulerRenderer && value && this._viewportElement && this.screenElement) {
+        this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
+      }
+    });
+    // Measure the character size
+    this._charSizeService.measure();
+
+    // Setup loop that draws to screen
+    this.refresh(0, this.rows - 1);
+
+    // Initialize global actions that need to be taken on the document.
+    this._initGlobal();
+
+    // Listen for mouse events and translate
+    // them into terminal mouse protocols.
+    this.bindMouse();
+  }
+
+  private _createRenderer(): IRenderer {
+    return this._instantiationService.createInstance(DomRenderer, this.element!, this.screenElement!, this._viewportElement!, this.linkifier2);
+  }
+
+  /**
+   * Bind certain mouse events to the terminal.
+   * By default only 3 button + wheel up/down is ativated. For higher buttons
+   * no mouse report will be created. Typically the standard actions will be active.
+   *
+   * There are several reasons not to enable support for higher buttons/wheel:
+   * - Button 4 and 5 are typically used for history back and forward navigation,
+   *   there is no straight forward way to supress/intercept those standard actions.
+   * - Support for higher buttons does not work in some platform/browser combinations.
+   * - Left/right wheel was not tested.
+   * - Emulators vary in mouse button support, typically only 3 buttons and
+   *   wheel up/down work reliable.
+   *
+   * TODO: Move mouse event code into its own file.
+   */
+  public bindMouse(): void {
+    const self = this;
+    const el = this.element!;
+
+    // send event to CoreMouseService
+    function sendEvent(ev: MouseEvent | WheelEvent): boolean {
+      // get mouse coordinates
+      const pos = self._mouseService!.getMouseReportCoords(ev, self.screenElement!);
+      if (!pos) {
+        return false;
+      }
+
+      let but: CoreMouseButton;
+      let action: CoreMouseAction | undefined;
+      switch ((ev as any).overrideType || ev.type) {
+        case 'mousemove':
+          action = CoreMouseAction.MOVE;
+          if (ev.buttons === undefined) {
+            // buttons is not supported on macOS, try to get a value from button instead
+            but = CoreMouseButton.NONE;
+            if (ev.button !== undefined) {
+              but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;
+            }
+          } else {
+            // according to MDN buttons only reports up to button 5 (AUX2)
+            but = ev.buttons & 1 ? CoreMouseButton.LEFT :
+              ev.buttons & 4 ? CoreMouseButton.MIDDLE :
+                ev.buttons & 2 ? CoreMouseButton.RIGHT :
+                  CoreMouseButton.NONE; // fallback to NONE
+          }
+          break;
+        case 'mouseup':
+          action = CoreMouseAction.UP;
+          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;
+          break;
+        case 'mousedown':
+          action = CoreMouseAction.DOWN;
+          but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;
+          break;
+        case 'wheel':
+          const amount = self.viewport!.getLinesScrolled(ev as WheelEvent);
+
+          if (amount === 0) {
+            return false;
+          }
+
+          action = (ev as WheelEvent).deltaY < 0 ? CoreMouseAction.UP : CoreMouseAction.DOWN;
+          but = CoreMouseButton.WHEEL;
+          break;
+        default:
+          // dont handle other event types by accident
+          return false;
+      }
+
+      // exit if we cannot determine valid button/action values
+      // do nothing for higher buttons than wheel
+      if (action === undefined || but === undefined || but > CoreMouseButton.WHEEL) {
+        return false;
+      }
+
+      return self.coreMouseService.triggerMouseEvent({
+        col: pos.col,
+        row: pos.row,
+        x: pos.x,
+        y: pos.y,
+        button: but,
+        action,
+        ctrl: ev.ctrlKey,
+        alt: ev.altKey,
+        shift: ev.shiftKey
+      });
+    }
+
+    /**
+     * Event listener state handling.
+     * We listen to the onProtocolChange event of CoreMouseService and put
+     * requested listeners in `requestedEvents`. With this the listeners
+     * have all bits to do the event listener juggling.
+     * Note: 'mousedown' currently is "always on" and not managed
+     * by onProtocolChange.
+     */
+    const requestedEvents: { [key: string]: ((ev: Event) => void) | null } = {
+      mouseup: null,
+      wheel: null,
+      mousedrag: null,
+      mousemove: null
+    };
+    const eventListeners: { [key: string]: (ev: any) => void | boolean } = {
+      mouseup: (ev: MouseEvent) => {
+        sendEvent(ev);
+        if (!ev.buttons) {
+          // if no other button is held remove global handlers
+          this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);
+          if (requestedEvents.mousedrag) {
+            this._document!.removeEventListener('mousemove', requestedEvents.mousedrag);
+          }
+        }
+        return this.cancel(ev);
+      },
+      wheel: (ev: WheelEvent) => {
+        sendEvent(ev);
+        return this.cancel(ev, true);
+      },
+      mousedrag: (ev: MouseEvent) => {
+        // deal only with move while a button is held
+        if (ev.buttons) {
+          sendEvent(ev);
+        }
+      },
+      mousemove: (ev: MouseEvent) => {
+        // deal only with move without any button
+        if (!ev.buttons) {
+          sendEvent(ev);
+        }
+      }
+    };
+    this.register(this.coreMouseService.onProtocolChange(events => {
+      // apply global changes on events
+      if (events) {
+        if (this.optionsService.rawOptions.logLevel === 'debug') {
+          this._logService.debug('Binding to mouse events:', this.coreMouseService.explainEvents(events));
+        }
+        this.element!.classList.add('enable-mouse-events');
+        this._selectionService!.disable();
+      } else {
+        this._logService.debug('Unbinding from mouse events.');
+        this.element!.classList.remove('enable-mouse-events');
+        this._selectionService!.enable();
+      }
+
+      // add/remove handlers from requestedEvents
+
+      if (!(events & CoreMouseEventType.MOVE)) {
+        el.removeEventListener('mousemove', requestedEvents.mousemove!);
+        requestedEvents.mousemove = null;
+      } else if (!requestedEvents.mousemove) {
+        el.addEventListener('mousemove', eventListeners.mousemove);
+        requestedEvents.mousemove = eventListeners.mousemove;
+      }
+
+      if (!(events & CoreMouseEventType.WHEEL)) {
+        el.removeEventListener('wheel', requestedEvents.wheel!);
+        requestedEvents.wheel = null;
+      } else if (!requestedEvents.wheel) {
+        el.addEventListener('wheel', eventListeners.wheel, { passive: false });
+        requestedEvents.wheel = eventListeners.wheel;
+      }
+
+      if (!(events & CoreMouseEventType.UP)) {
+        this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);
+        el.removeEventListener('mouseup', requestedEvents.mouseup!);
+        requestedEvents.mouseup = null;
+      } else if (!requestedEvents.mouseup) {
+        el.addEventListener('mouseup', eventListeners.mouseup);
+        requestedEvents.mouseup = eventListeners.mouseup;
+      }
+
+      if (!(events & CoreMouseEventType.DRAG)) {
+        this._document!.removeEventListener('mousemove', requestedEvents.mousedrag!);
+        requestedEvents.mousedrag = null;
+      } else if (!requestedEvents.mousedrag) {
+        requestedEvents.mousedrag = eventListeners.mousedrag;
+      }
+    }));
+    // force initial onProtocolChange so we dont miss early mouse requests
+    this.coreMouseService.activeProtocol = this.coreMouseService.activeProtocol;
+
+    /**
+     * "Always on" event listeners.
+     */
+    this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {
+      ev.preventDefault();
+      this.focus();
+
+      // Don't send the mouse button to the pty if mouse events are disabled or
+      // if the selection manager is having selection forced (ie. a modifier is
+      // held).
+      if (!this.coreMouseService.areMouseEventsActive || this._selectionService!.shouldForceSelection(ev)) {
+        return;
+      }
+
+      sendEvent(ev);
+
+      // Register additional global handlers which should keep reporting outside
+      // of the terminal element.
+      // Note: Other emulators also do this for 'mousedown' while a button
+      // is held, we currently limit 'mousedown' to the terminal only.
+      if (requestedEvents.mouseup) {
+        this._document!.addEventListener('mouseup', requestedEvents.mouseup);
+      }
+      if (requestedEvents.mousedrag) {
+        this._document!.addEventListener('mousemove', requestedEvents.mousedrag);
+      }
+
+      return this.cancel(ev);
+    }));
+
+    this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {
+      // do nothing, if app side handles wheel itself
+      if (requestedEvents.wheel) return;
+
+      if (!this.buffer.hasScrollback) {
+        // Convert wheel events into up/down events when the buffer does not have scrollback, this
+        // enables scrolling in apps hosted in the alt buffer such as vim or tmux.
+        const amount = this.viewport!.getLinesScrolled(ev);
+
+        // Do nothing if there's no vertical scroll
+        if (amount === 0) {
+          return;
+        }
+
+        // Construct and send sequences
+        const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
+        let data = '';
+        for (let i = 0; i < Math.abs(amount); i++) {
+          data += sequence;
+        }
+        this.coreService.triggerDataEvent(data, true);
+        return this.cancel(ev, true);
+      }
+
+      // normal viewport scrolling
+      // conditionally stop event, if the viewport still had rows to scroll within
+      if (this.viewport!.handleWheel(ev)) {
+        return this.cancel(ev);
+      }
+    }, { passive: false }));
+
+    this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {
+      if (this.coreMouseService.areMouseEventsActive) return;
+      this.viewport!.handleTouchStart(ev);
+      return this.cancel(ev);
+    }, { passive: true }));
+
+    this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {
+      if (this.coreMouseService.areMouseEventsActive) return;
+      if (!this.viewport!.handleTouchMove(ev)) {
+        return this.cancel(ev);
+      }
+    }, { passive: false }));
+  }
+
+
+  /**
+   * Tells the renderer to refresh terminal content between two rows (inclusive) at the next
+   * opportunity.
+   * @param start The row to start from (between 0 and this.rows - 1).
+   * @param end The row to end at (between start and this.rows - 1).
+   */
+  public refresh(start: number, end: number): void {
+    this._renderService?.refreshRows(start, end);
+  }
+
+  /**
+   * Change the cursor style for different selection modes
+   */
+  public updateCursorStyle(ev: KeyboardEvent): void {
+    if (this._selectionService?.shouldColumnSelect(ev)) {
+      this.element!.classList.add('column-select');
+    } else {
+      this.element!.classList.remove('column-select');
+    }
+  }
+
+  /**
+   * Display the cursor element
+   */
+  private _showCursor(): void {
+    if (!this.coreService.isCursorInitialized) {
+      this.coreService.isCursorInitialized = true;
+      this.refresh(this.buffer.y, this.buffer.y);
+    }
+  }
+
+  public scrollLines(disp: number, suppressScrollEvent?: boolean, source = ScrollSource.TERMINAL): void {
+    if (source === ScrollSource.VIEWPORT) {
+      super.scrollLines(disp, suppressScrollEvent, source);
+      this.refresh(0, this.rows - 1);
+    } else {
+      this.viewport?.scrollLines(disp);
+    }
+  }
+
+  public paste(data: string): void {
+    paste(data, this.textarea!, this.coreService, this.optionsService);
+  }
+
+  /**
+   * Attaches a custom key event handler which is run before keys are processed,
+   * giving consumers of xterm.js ultimate control as to what keys should be
+   * processed by the terminal and what keys should not.
+   * @param customKeyEventHandler The custom KeyboardEvent handler to attach.
+   * This is a function that takes a KeyboardEvent, allowing consumers to stop
+   * propagation and/or prevent the default action. The function returns whether
+   * the event should be processed by xterm.js.
+   */
+  public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {
+    this._customKeyEventHandler = customKeyEventHandler;
+  }
+
+  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
+    return this.linkifier2.registerLinkProvider(linkProvider);
+  }
+
+  public registerCharacterJoiner(handler: CharacterJoinerHandler): number {
+    if (!this._characterJoinerService) {
+      throw new Error('Terminal must be opened first');
+    }
+    const joinerId = this._characterJoinerService.register(handler);
+    this.refresh(0, this.rows - 1);
+    return joinerId;
+  }
+
+  public deregisterCharacterJoiner(joinerId: number): void {
+    if (!this._characterJoinerService) {
+      throw new Error('Terminal must be opened first');
+    }
+    if (this._characterJoinerService.deregister(joinerId)) {
+      this.refresh(0, this.rows - 1);
+    }
+  }
+
+  public get markers(): IMarker[] {
+    return this.buffer.markers;
+  }
+
+  public registerMarker(cursorYOffset: number): IMarker {
+    return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);
+  }
+
+  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {
+    return this._decorationService.registerDecoration(decorationOptions);
+  }
+
+  /**
+   * Gets whether the terminal has an active selection.
+   */
+  public hasSelection(): boolean {
+    return this._selectionService ? this._selectionService.hasSelection : false;
+  }
+
+  /**
+   * Selects text within the terminal.
+   * @param column The column the selection starts at..
+   * @param row The row the selection starts at.
+   * @param length The length of the selection.
+   */
+  public select(column: number, row: number, length: number): void {
+    this._selectionService!.setSelection(column, row, length);
+  }
+
+  /**
+   * Gets the terminal's current selection, this is useful for implementing copy
+   * behavior outside of xterm.js.
+   */
+  public getSelection(): string {
+    return this._selectionService ? this._selectionService.selectionText : '';
+  }
+
+  public getSelectionPosition(): IBufferRange | undefined {
+    if (!this._selectionService || !this._selectionService.hasSelection) {
+      return undefined;
+    }
+
+    return {
+      start: {
+        x: this._selectionService.selectionStart![0],
+        y: this._selectionService.selectionStart![1]
+      },
+      end: {
+        x: this._selectionService.selectionEnd![0],
+        y: this._selectionService.selectionEnd![1]
+      }
+    };
+  }
+
+  /**
+   * Clears the current terminal selection.
+   */
+  public clearSelection(): void {
+    this._selectionService?.clearSelection();
+  }
+
+  /**
+   * Selects all text within the terminal.
+   */
+  public selectAll(): void {
+    this._selectionService?.selectAll();
+  }
+
+  public selectLines(start: number, end: number): void {
+    this._selectionService?.selectLines(start, end);
+  }
+
+  /**
+   * Handle a keydown [KeyboardEvent].
+   *
+   * [KeyboardEvent]: https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
+   */
+  protected _keyDown(event: KeyboardEvent): boolean | undefined {
+    this._keyDownHandled = false;
+    this._keyDownSeen = true;
+
+    if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {
+      return false;
+    }
+
+    // Ignore composing with Alt key on Mac when macOptionIsMeta is enabled
+    const shouldIgnoreComposition = this.browser.isMac && this.options.macOptionIsMeta && event.altKey;
+
+    if (!shouldIgnoreComposition && !this._compositionHelper!.keydown(event)) {
+      if (this.options.scrollOnUserInput && this.buffer.ybase !== this.buffer.ydisp) {
+        this.scrollToBottom();
+      }
+      return false;
+    }
+
+    if (!shouldIgnoreComposition && (event.key === 'Dead' || event.key === 'AltGraph')) {
+      this._unprocessedDeadKey = true;
+    }
+
+    const result = evaluateKeyboardEvent(event, this.coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);
+
+    this.updateCursorStyle(event);
+
+    if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {
+      const scrollCount = this.rows - 1;
+      this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);
+      return this.cancel(event, true);
+    }
+
+    if (result.type === KeyboardResultType.SELECT_ALL) {
+      this.selectAll();
+    }
+
+    if (this._isThirdLevelShift(this.browser, event)) {
+      return true;
+    }
+
+    if (result.cancel) {
+      // The event is canceled at the end already, is this necessary?
+      this.cancel(event, true);
+    }
+
+    if (!result.key) {
+      return true;
+    }
+
+    // HACK: Process A-Z in the keypress event to fix an issue with macOS IMEs where lower case
+    // letters cannot be input while caps lock is on.
+    if (event.key && !event.ctrlKey && !event.altKey && !event.metaKey && event.key.length === 1) {
+      if (event.key.charCodeAt(0) >= 65 && event.key.charCodeAt(0) <= 90) {
+        return true;
+      }
+    }
+
+    if (this._unprocessedDeadKey) {
+      this._unprocessedDeadKey = false;
+      return true;
+    }
+
+    // If ctrl+c or enter is being sent, clear out the textarea. This is done so that screen readers
+    // will announce deleted characters. This will not work 100% of the time but it should cover
+    // most scenarios.
+    if (result.key === C0.ETX || result.key === C0.CR) {
+      this.textarea!.value = '';
+    }
+
+    this._onKey.fire({ key: result.key, domEvent: event });
+    this._showCursor();
+    this.coreService.triggerDataEvent(result.key, true);
+
+    // Cancel events when not in screen reader mode so events don't get bubbled up and handled by
+    // other listeners. When screen reader mode is enabled, we don't cancel them (unless ctrl or alt
+    // is also depressed) so that the cursor textarea can be updated, which triggers the screen
+    // reader to read it.
+    if (!this.optionsService.rawOptions.screenReaderMode || event.altKey || event.ctrlKey) {
+      return this.cancel(event, true);
+    }
+
+    this._keyDownHandled = true;
+  }
+
+  private _isThirdLevelShift(browser: IBrowser, ev: KeyboardEvent): boolean {
+    const thirdLevelKey =
+      (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+      (browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey) ||
+      (browser.isWindows && ev.getModifierState('AltGraph'));
+
+    if (ev.type === 'keypress') {
+      return thirdLevelKey;
+    }
+
+    // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
+    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+  }
+
+  protected _keyUp(ev: KeyboardEvent): void {
+    this._keyDownSeen = false;
+
+    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
+      return;
+    }
+
+    if (!wasModifierKeyOnlyEvent(ev)) {
+      this.focus();
+    }
+
+    this.updateCursorStyle(ev);
+    this._keyPressHandled = false;
+  }
+
+  /**
+   * Handle a keypress event.
+   * Key Resources:
+   *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
+   * @param ev The keypress event to be handled.
+   */
+  protected _keyPress(ev: KeyboardEvent): boolean {
+    let key;
+
+    this._keyPressHandled = false;
+
+    if (this._keyDownHandled) {
+      return false;
+    }
+
+    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
+      return false;
+    }
+
+    this.cancel(ev);
+
+    if (ev.charCode) {
+      key = ev.charCode;
+    } else if (ev.which === null || ev.which === undefined) {
+      key = ev.keyCode;
+    } else if (ev.which !== 0 && ev.charCode !== 0) {
+      key = ev.which;
+    } else {
+      return false;
+    }
+
+    if (!key || (
+      (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)
+    )) {
+      return false;
+    }
+
+    key = String.fromCharCode(key);
+
+    this._onKey.fire({ key, domEvent: ev });
+    this._showCursor();
+    this.coreService.triggerDataEvent(key, true);
+
+    this._keyPressHandled = true;
+
+    // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow
+    // keys could be ignored
+    this._unprocessedDeadKey = false;
+
+    return true;
+  }
+
+  /**
+   * Handle an input event.
+   * Key Resources:
+   *   - https://developer.mozilla.org/en-US/docs/Web/API/InputEvent
+   * @param ev The input event to be handled.
+   */
+  protected _inputEvent(ev: InputEvent): boolean {
+    // Only support emoji IMEs when screen reader mode is disabled as the event must bubble up to
+    // support reading out character input which can doubling up input characters
+    // Based on these event traces: https://github.com/xtermjs/xterm.js/issues/3679
+    if (ev.data && ev.inputType === 'insertText' && (!ev.composed || !this._keyDownSeen) && !this.optionsService.rawOptions.screenReaderMode) {
+      if (this._keyPressHandled) {
+        return false;
+      }
+
+      // The key was handled so clear the dead key state, otherwise certain keystrokes like arrow
+      // keys could be ignored
+      this._unprocessedDeadKey = false;
+
+      const text = ev.data;
+      this.coreService.triggerDataEvent(text, true);
+
+      this.cancel(ev);
+      return true;
+    }
+
+    return false;
+  }
+
+  /**
+   * Resizes the terminal.
+   *
+   * @param x The number of columns to resize to.
+   * @param y The number of rows to resize to.
+   */
+  public resize(x: number, y: number): void {
+    if (x === this.cols && y === this.rows) {
+      // Check if we still need to measure the char size (fixes #785).
+      if (this._charSizeService && !this._charSizeService.hasValidSize) {
+        this._charSizeService.measure();
+      }
+      return;
+    }
+
+    super.resize(x, y);
+  }
+
+  private _afterResize(x: number, y: number): void {
+    this._charSizeService?.measure();
+
+    // Sync the scroll area to make sure scroll events don't fire and scroll the viewport to an
+    // invalid location
+    this.viewport?.syncScrollArea(true);
+  }
+
+  /**
+   * Clear the entire buffer, making the prompt line the new first line.
+   */
+  public clear(): void {
+    if (this.buffer.ybase === 0 && this.buffer.y === 0) {
+      // Don't clear if it's already clear
+      return;
+    }
+    this.buffer.clearAllMarkers();
+    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);
+    this.buffer.lines.length = 1;
+    this.buffer.ydisp = 0;
+    this.buffer.ybase = 0;
+    this.buffer.y = 0;
+    for (let i = 1; i < this.rows; i++) {
+      this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));
+    }
+    // IMPORTANT: Fire scroll event before viewport is reset. This ensures embedders get the clear
+    // scroll event and that the viewport's state will be valid for immediate writes.
+    this._onScroll.fire({ position: this.buffer.ydisp, source: ScrollSource.TERMINAL });
+    this.viewport?.reset();
+    this.refresh(0, this.rows - 1);
+  }
+
+  /**
+   * Reset terminal.
+   * Note: Calling this directly from JS is synchronous but does not clear
+   * input buffers and does not reset the parser, thus the terminal will
+   * continue to apply pending input data.
+   * If you need in band reset (synchronous with input data) consider
+   * using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).
+   */
+  public reset(): void {
+    /**
+     * Since _setup handles a full terminal creation, we have to carry forward
+     * a few things that should not reset.
+     */
+    this.options.rows = this.rows;
+    this.options.cols = this.cols;
+    const customKeyEventHandler = this._customKeyEventHandler;
+
+    this._setup();
+    super.reset();
+    this._selectionService?.reset();
+    this._decorationService.reset();
+    this.viewport?.reset();
+
+    // reattach
+    this._customKeyEventHandler = customKeyEventHandler;
+
+    // do a full screen refresh
+    this.refresh(0, this.rows - 1);
+  }
+
+  public clearTextureAtlas(): void {
+    this._renderService?.clearTextureAtlas();
+  }
+
+  private _reportFocus(): void {
+    if (this.element?.classList.contains('focus')) {
+      this.coreService.triggerDataEvent(C0.ESC + '[I');
+    } else {
+      this.coreService.triggerDataEvent(C0.ESC + '[O');
+    }
+  }
+
+  private _reportWindowsOptions(type: WindowsOptionsReportType): void {
+    if (!this._renderService) {
+      return;
+    }
+
+    switch (type) {
+      case WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:
+        const canvasWidth = this._renderService.dimensions.css.canvas.width.toFixed(0);
+        const canvasHeight = this._renderService.dimensions.css.canvas.height.toFixed(0);
+        this.coreService.triggerDataEvent(`${C0.ESC}[4;${canvasHeight};${canvasWidth}t`);
+        break;
+      case WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:
+        const cellWidth = this._renderService.dimensions.css.cell.width.toFixed(0);
+        const cellHeight = this._renderService.dimensions.css.cell.height.toFixed(0);
+        this.coreService.triggerDataEvent(`${C0.ESC}[6;${cellHeight};${cellWidth}t`);
+        break;
+    }
+  }
+
+  // TODO: Remove cancel function and cancelEvents option
+  public cancel(ev: Event, force?: boolean): boolean | undefined {
+    if (!this.options.cancelEvents && !force) {
+      return;
+    }
+    ev.preventDefault();
+    ev.stopPropagation();
+    return false;
+  }
+}
+
+/**
+ * Helpers
+ */
+
+function wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {
+  return ev.keyCode === 16 || // Shift
+    ev.keyCode === 17 || // Ctrl
+    ev.keyCode === 18; // Alt
+}
diff --git a/web/public/node_modules/xterm/src/browser/TimeBasedDebouncer.ts b/web/public/node_modules/xterm/src/browser/TimeBasedDebouncer.ts
new file mode 100644
index 000000000..707e25cbb
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/TimeBasedDebouncer.ts
@@ -0,0 +1,86 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+const RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second
+
+import { IRenderDebouncer } from 'browser/Types';
+
+/**
+ * Debounces calls to update screen readers to update at most once configurable interval of time.
+ */
+export class TimeBasedDebouncer implements IRenderDebouncer {
+  private _rowStart: number | undefined;
+  private _rowEnd: number | undefined;
+  private _rowCount: number | undefined;
+
+  // The last moment that the Terminal was refreshed at
+  private _lastRefreshMs = 0;
+  // Whether a trailing refresh should be triggered due to a refresh request that was throttled
+  private _additionalRefreshRequested = false;
+
+  private _refreshTimeoutID: number | undefined;
+
+  constructor(
+    private _renderCallback: (start: number, end: number) => void,
+    private readonly _debounceThresholdMS = RENDER_DEBOUNCE_THRESHOLD_MS
+  ) {
+  }
+
+  public dispose(): void {
+    if (this._refreshTimeoutID) {
+      clearTimeout(this._refreshTimeoutID);
+    }
+  }
+
+  public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {
+    this._rowCount = rowCount;
+    // Get the min/max row start/end for the arg values
+    rowStart = rowStart !== undefined ? rowStart : 0;
+    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
+    // Set the properties to the updated values
+    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
+    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
+
+    // Only refresh if the time since last refresh is above a threshold, otherwise wait for
+    // enough time to pass before refreshing again.
+    const refreshRequestTime: number = Date.now();
+    if (refreshRequestTime - this._lastRefreshMs >= this._debounceThresholdMS) {
+      // Enough time has lapsed since the last refresh; refresh immediately
+      this._lastRefreshMs = refreshRequestTime;
+      this._innerRefresh();
+    } else if (!this._additionalRefreshRequested) {
+      // This is the first additional request throttled; set up trailing refresh
+      const elapsed = refreshRequestTime - this._lastRefreshMs;
+      const waitPeriodBeforeTrailingRefresh = this._debounceThresholdMS - elapsed;
+      this._additionalRefreshRequested = true;
+
+      this._refreshTimeoutID = window.setTimeout(() => {
+        this._lastRefreshMs = Date.now();
+        this._innerRefresh();
+        this._additionalRefreshRequested = false;
+        this._refreshTimeoutID = undefined; // No longer need to clear the timeout
+      }, waitPeriodBeforeTrailingRefresh);
+    }
+  }
+
+  private _innerRefresh(): void {
+    // Make sure values are set
+    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
+      return;
+    }
+
+    // Clamp values
+    const start = Math.max(this._rowStart, 0);
+    const end = Math.min(this._rowEnd, this._rowCount - 1);
+
+    // Reset debouncer (this happens before render callback as the render could trigger it again)
+    this._rowStart = undefined;
+    this._rowEnd = undefined;
+
+    // Run render callback
+    this._renderCallback(start, end);
+  }
+}
+
diff --git a/web/public/node_modules/xterm/src/browser/Types.d.ts b/web/public/node_modules/xterm/src/browser/Types.d.ts
new file mode 100644
index 000000000..f2b5e220f
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/Types.d.ts
@@ -0,0 +1,181 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent } from 'common/EventEmitter';
+import { CharData, IColor, ICoreTerminal, ITerminalOptions } from 'common/Types';
+import { IBuffer } from 'common/buffer/Types';
+import { IDisposable, Terminal as ITerminalApi } from 'xterm';
+import { IMouseService, IRenderService } from './services/Services';
+
+/**
+ * A portion of the public API that are implemented identially internally and simply passed through.
+ */
+type InternalPassthroughApis = Omit<ITerminalApi, 'buffer' | 'parser' | 'unicode' | 'modes' | 'writeln' | 'loadAddon'>;
+
+export interface ITerminal extends InternalPassthroughApis, ICoreTerminal {
+  screenElement: HTMLElement | undefined;
+  browser: IBrowser;
+  buffer: IBuffer;
+  viewport: IViewport | undefined;
+  options: Required<ITerminalOptions>;
+  linkifier2: ILinkifier2;
+
+  onBlur: IEvent<void>;
+  onFocus: IEvent<void>;
+  onA11yChar: IEvent<string>;
+  onA11yTab: IEvent<number>;
+  onWillOpen: IEvent<HTMLElement>;
+
+  cancel(ev: Event, force?: boolean): boolean | void;
+}
+
+export type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;
+
+export type LineData = CharData[];
+
+export interface ICompositionHelper {
+  readonly isComposing: boolean;
+  compositionstart(): void;
+  compositionupdate(ev: CompositionEvent): void;
+  compositionend(): void;
+  updateCompositionElements(dontRecurse?: boolean): void;
+  keydown(ev: KeyboardEvent): boolean;
+}
+
+export interface IBrowser {
+  isNode: boolean;
+  userAgent: string;
+  platform: string;
+  isFirefox: boolean;
+  isMac: boolean;
+  isIpad: boolean;
+  isIphone: boolean;
+  isWindows: boolean;
+}
+
+export interface IColorSet {
+  foreground: IColor;
+  background: IColor;
+  cursor: IColor;
+  cursorAccent: IColor;
+  selectionForeground: IColor | undefined;
+  selectionBackgroundTransparent: IColor;
+  /** The selection blended on top of background. */
+  selectionBackgroundOpaque: IColor;
+  selectionInactiveBackgroundTransparent: IColor;
+  selectionInactiveBackgroundOpaque: IColor;
+  ansi: IColor[];
+  /** Maps original colors to colors that respect minimum contrast ratio. */
+  contrastCache: IColorContrastCache;
+  /** Maps original colors to colors that respect _half_ of the minimum contrast ratio. */
+  halfContrastCache: IColorContrastCache;
+}
+
+export type ReadonlyColorSet = Readonly<Omit<IColorSet, 'ansi'>> & { ansi: Readonly<Pick<IColorSet, 'ansi'>['ansi']> };
+
+export interface IColorContrastCache {
+  clear(): void;
+  setCss(bg: number, fg: number, value: string | null): void;
+  getCss(bg: number, fg: number): string | null | undefined;
+  setColor(bg: number, fg: number, value: IColor | null): void;
+  getColor(bg: number, fg: number): IColor | null | undefined;
+}
+
+export interface IPartialColorSet {
+  foreground: IColor;
+  background: IColor;
+  cursor?: IColor;
+  cursorAccent?: IColor;
+  selectionBackground?: IColor;
+  ansi: IColor[];
+}
+
+export interface IViewport extends IDisposable {
+  scrollBarWidth: number;
+  readonly onRequestScrollLines: IEvent<{ amount: number, suppressScrollEvent: boolean }>;
+  syncScrollArea(immediate?: boolean, force?: boolean): void;
+  getLinesScrolled(ev: WheelEvent): number;
+  getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement };
+  handleWheel(ev: WheelEvent): boolean;
+  handleTouchStart(ev: TouchEvent): void;
+  handleTouchMove(ev: TouchEvent): boolean;
+  scrollLines(disp: number): void;  // todo api name?
+  reset(): void;
+}
+
+export interface ILinkifierEvent {
+  x1: number;
+  y1: number;
+  x2: number;
+  y2: number;
+  cols: number;
+  fg: number | undefined;
+}
+
+interface ILinkState {
+  decorations: ILinkDecorations;
+  isHovered: boolean;
+}
+export interface ILinkWithState {
+  link: ILink;
+  state?: ILinkState;
+}
+
+export interface ILinkifier2 extends IDisposable {
+  onShowLinkUnderline: IEvent<ILinkifierEvent>;
+  onHideLinkUnderline: IEvent<ILinkifierEvent>;
+  readonly currentLink: ILinkWithState | undefined;
+
+  attachToDom(element: HTMLElement, mouseService: IMouseService, renderService: IRenderService): void;
+  registerLinkProvider(linkProvider: ILinkProvider): IDisposable;
+}
+
+interface ILinkProvider {
+  provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void;
+}
+
+interface ILink {
+  range: IBufferRange;
+  text: string;
+  decorations?: ILinkDecorations;
+  activate(event: MouseEvent, text: string): void;
+  hover?(event: MouseEvent, text: string): void;
+  leave?(event: MouseEvent, text: string): void;
+  dispose?(): void;
+}
+
+interface ILinkDecorations {
+  pointerCursor: boolean;
+  underline: boolean;
+}
+
+interface IBufferRange {
+  start: IBufferCellPosition;
+  end: IBufferCellPosition;
+}
+
+interface IBufferCellPosition {
+  x: number;
+  y: number;
+}
+
+export type CharacterJoinerHandler = (text: string) => [number, number][];
+
+export interface ICharacterJoiner {
+  id: number;
+  handler: CharacterJoinerHandler;
+}
+
+export interface IRenderDebouncer extends IDisposable {
+  refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;
+}
+
+export interface IRenderDebouncerWithCallback extends IRenderDebouncer {
+  addRefreshCallback(callback: FrameRequestCallback): number;
+}
+
+export interface IBufferElementProvider {
+  provideBufferElements(): DocumentFragment | HTMLElement;
+}
diff --git a/web/public/node_modules/xterm/src/browser/Viewport.ts b/web/public/node_modules/xterm/src/browser/Viewport.ts
new file mode 100644
index 000000000..c6e8732fd
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/Viewport.ts
@@ -0,0 +1,401 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { IViewport, ReadonlyColorSet } from 'browser/Types';
+import { IRenderDimensions } from 'browser/renderer/shared/Types';
+import { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IBuffer } from 'common/buffer/Types';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+const FALLBACK_SCROLL_BAR_WIDTH = 15;
+
+interface ISmoothScrollState {
+  startTime: number;
+  origin: number;
+  target: number;
+}
+
+/**
+ * Represents the viewport of a terminal, the visible area within the larger buffer of output.
+ * Logic for the virtual scroll bar is included in this object.
+ */
+export class Viewport extends Disposable implements IViewport {
+  public scrollBarWidth: number = 0;
+  private _currentRowHeight: number = 0;
+  private _currentDeviceCellHeight: number = 0;
+  private _lastRecordedBufferLength: number = 0;
+  private _lastRecordedViewportHeight: number = 0;
+  private _lastRecordedBufferHeight: number = 0;
+  private _lastTouchY: number = 0;
+  private _lastScrollTop: number = 0;
+  private _activeBuffer: IBuffer;
+  private _renderDimensions: IRenderDimensions;
+
+  // Stores a partial line amount when scrolling, this is used to keep track of how much of a line
+  // is scrolled so we can "scroll" over partial lines and feel natural on touchpads. This is a
+  // quick fix and could have a more robust solution in place that reset the value when needed.
+  private _wheelPartialScroll: number = 0;
+
+  private _refreshAnimationFrame: number | null = null;
+  private _ignoreNextScrollEvent: boolean = false;
+  private _smoothScrollState: ISmoothScrollState = {
+    startTime: 0,
+    origin: -1,
+    target: -1
+  };
+
+  private readonly _onRequestScrollLines = this.register(new EventEmitter<{ amount: number, suppressScrollEvent: boolean }>());
+  public readonly onRequestScrollLines = this._onRequestScrollLines.event;
+
+  constructor(
+    private readonly _viewportElement: HTMLElement,
+    private readonly _scrollArea: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @IThemeService themeService: IThemeService
+  ) {
+    super();
+
+    // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.
+    // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that
+    // case, therefore we account for a standard amount to make it visible
+    this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;
+    this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._handleScroll.bind(this)));
+
+    // Track properties used in performance critical code manually to avoid using slow getters
+    this._activeBuffer = this._bufferService.buffer;
+    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));
+    this._renderDimensions = this._renderService.dimensions;
+    this.register(this._renderService.onDimensionsChange(e => this._renderDimensions = e));
+
+    this._handleThemeChange(themeService.colors);
+    this.register(themeService.onChangeColors(e => this._handleThemeChange(e)));
+    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.syncScrollArea()));
+
+    // Perform this async to ensure the ICharSizeService is ready.
+    setTimeout(() => this.syncScrollArea());
+  }
+
+  private _handleThemeChange(colors: ReadonlyColorSet): void {
+    this._viewportElement.style.backgroundColor = colors.background.css;
+  }
+
+  public reset(): void {
+    this._currentRowHeight = 0;
+    this._currentDeviceCellHeight = 0;
+    this._lastRecordedBufferLength = 0;
+    this._lastRecordedViewportHeight = 0;
+    this._lastRecordedBufferHeight = 0;
+    this._lastTouchY = 0;
+    this._lastScrollTop = 0;
+    // Sync on next animation frame to ensure the new terminal state is used
+    this._coreBrowserService.window.requestAnimationFrame(() => this.syncScrollArea());
+  }
+
+  /**
+   * Refreshes row height, setting line-height, viewport height and scroll area height if
+   * necessary.
+   */
+  private _refresh(immediate: boolean): void {
+    if (immediate) {
+      this._innerRefresh();
+      if (this._refreshAnimationFrame !== null) {
+        this._coreBrowserService.window.cancelAnimationFrame(this._refreshAnimationFrame);
+      }
+      return;
+    }
+    if (this._refreshAnimationFrame === null) {
+      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._innerRefresh());
+    }
+  }
+
+  private _innerRefresh(): void {
+    if (this._charSizeService.height > 0) {
+      this._currentRowHeight = this._renderService.dimensions.device.cell.height / this._coreBrowserService.dpr;
+      this._currentDeviceCellHeight = this._renderService.dimensions.device.cell.height;
+      this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;
+      const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._renderService.dimensions.css.canvas.height);
+      if (this._lastRecordedBufferHeight !== newBufferHeight) {
+        this._lastRecordedBufferHeight = newBufferHeight;
+        this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';
+      }
+    }
+
+    // Sync scrollTop
+    const scrollTop = this._bufferService.buffer.ydisp * this._currentRowHeight;
+    if (this._viewportElement.scrollTop !== scrollTop) {
+      // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not
+      // want this event to scroll the terminal
+      this._ignoreNextScrollEvent = true;
+      this._viewportElement.scrollTop = scrollTop;
+    }
+
+    this._refreshAnimationFrame = null;
+  }
+
+  /**
+   * Updates dimensions and synchronizes the scroll area if necessary.
+   */
+  public syncScrollArea(immediate: boolean = false): void {
+    // If buffer height changed
+    if (this._lastRecordedBufferLength !== this._bufferService.buffer.lines.length) {
+      this._lastRecordedBufferLength = this._bufferService.buffer.lines.length;
+      this._refresh(immediate);
+      return;
+    }
+
+    // If viewport height changed
+    if (this._lastRecordedViewportHeight !== this._renderService.dimensions.css.canvas.height) {
+      this._refresh(immediate);
+      return;
+    }
+
+    // If the buffer position doesn't match last scroll top
+    if (this._lastScrollTop !== this._activeBuffer.ydisp * this._currentRowHeight) {
+      this._refresh(immediate);
+      return;
+    }
+
+    // If row height changed
+    if (this._renderDimensions.device.cell.height !== this._currentDeviceCellHeight) {
+      this._refresh(immediate);
+      return;
+    }
+  }
+
+  /**
+   * Handles scroll events on the viewport, calculating the new viewport and requesting the
+   * terminal to scroll to it.
+   * @param ev The scroll event.
+   */
+  private _handleScroll(ev: Event): void {
+    // Record current scroll top position
+    this._lastScrollTop = this._viewportElement.scrollTop;
+
+    // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt
+    // which causes the terminal to scroll the buffer to the top
+    if (!this._viewportElement.offsetParent) {
+      return;
+    }
+
+    // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)
+    if (this._ignoreNextScrollEvent) {
+      this._ignoreNextScrollEvent = false;
+      // Still trigger the scroll so lines get refreshed
+      this._onRequestScrollLines.fire({ amount: 0, suppressScrollEvent: true });
+      return;
+    }
+
+    const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);
+    const diff = newRow - this._bufferService.buffer.ydisp;
+    this._onRequestScrollLines.fire({ amount: diff, suppressScrollEvent: true });
+  }
+
+  private _smoothScroll(): void {
+    // Check valid state
+    if (this._isDisposed || this._smoothScrollState.origin === -1 || this._smoothScrollState.target === -1) {
+      return;
+    }
+
+    // Calculate position complete
+    const percent = this._smoothScrollPercent();
+    this._viewportElement.scrollTop = this._smoothScrollState.origin + Math.round(percent * (this._smoothScrollState.target - this._smoothScrollState.origin));
+
+    // Continue or finish smooth scroll
+    if (percent < 1) {
+      this._coreBrowserService.window.requestAnimationFrame(() => this._smoothScroll());
+    } else {
+      this._clearSmoothScrollState();
+    }
+  }
+
+  private _smoothScrollPercent(): number {
+    if (!this._optionsService.rawOptions.smoothScrollDuration || !this._smoothScrollState.startTime) {
+      return 1;
+    }
+    return Math.max(Math.min((Date.now() - this._smoothScrollState.startTime) / this._optionsService.rawOptions.smoothScrollDuration, 1), 0);
+  }
+
+  private _clearSmoothScrollState(): void {
+    this._smoothScrollState.startTime = 0;
+    this._smoothScrollState.origin = -1;
+    this._smoothScrollState.target = -1;
+  }
+
+  /**
+   * Handles bubbling of scroll event in case the viewport has reached top or bottom
+   * @param ev The scroll event.
+   * @param amount The amount scrolled
+   */
+  private _bubbleScroll(ev: Event, amount: number): boolean {
+    const scrollPosFromTop = this._viewportElement.scrollTop + this._lastRecordedViewportHeight;
+    if ((amount < 0 && this._viewportElement.scrollTop !== 0) ||
+      (amount > 0 && scrollPosFromTop < this._lastRecordedBufferHeight)) {
+      if (ev.cancelable) {
+        ev.preventDefault();
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual
+   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of
+   * `Viewport`.
+   * @param ev The mouse wheel event.
+   */
+  public handleWheel(ev: WheelEvent): boolean {
+    const amount = this._getPixelsScrolled(ev);
+    if (amount === 0) {
+      return false;
+    }
+    if (!this._optionsService.rawOptions.smoothScrollDuration) {
+      this._viewportElement.scrollTop += amount;
+    } else {
+      this._smoothScrollState.startTime = Date.now();
+      if (this._smoothScrollPercent() < 1) {
+        this._smoothScrollState.origin = this._viewportElement.scrollTop;
+        if (this._smoothScrollState.target === -1) {
+          this._smoothScrollState.target = this._viewportElement.scrollTop + amount;
+        } else {
+          this._smoothScrollState.target += amount;
+        }
+        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);
+        this._smoothScroll();
+      } else {
+        this._clearSmoothScrollState();
+      }
+    }
+    return this._bubbleScroll(ev, amount);
+  }
+
+  public scrollLines(disp: number): void {
+    if (disp === 0) {
+      return;
+    }
+    if (!this._optionsService.rawOptions.smoothScrollDuration) {
+      this._onRequestScrollLines.fire({ amount: disp, suppressScrollEvent: false });
+    } else {
+      const amount = disp * this._currentRowHeight;
+      this._smoothScrollState.startTime = Date.now();
+      if (this._smoothScrollPercent() < 1) {
+        this._smoothScrollState.origin = this._viewportElement.scrollTop;
+        this._smoothScrollState.target = this._smoothScrollState.origin + amount;
+        this._smoothScrollState.target = Math.max(Math.min(this._smoothScrollState.target, this._viewportElement.scrollHeight), 0);
+        this._smoothScroll();
+      } else {
+        this._clearSmoothScrollState();
+      }
+    }
+  }
+
+  private _getPixelsScrolled(ev: WheelEvent): number {
+    // Do nothing if it's not a vertical scroll event
+    if (ev.deltaY === 0 || ev.shiftKey) {
+      return 0;
+    }
+
+    // Fallback to WheelEvent.DOM_DELTA_PIXEL
+    let amount = this._applyScrollModifier(ev.deltaY, ev);
+    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
+      amount *= this._currentRowHeight;
+    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+      amount *= this._currentRowHeight * this._bufferService.rows;
+    }
+    return amount;
+  }
+
+
+  public getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement } {
+    let currentLine: string = '';
+    let cursorElement: HTMLElement | undefined;
+    const bufferElements: HTMLElement[] = [];
+    const end = endLine ?? this._bufferService.buffer.lines.length;
+    const lines = this._bufferService.buffer.lines;
+    for (let i = startLine; i < end; i++) {
+      const line = lines.get(i);
+      if (!line) {
+        continue;
+      }
+      const isWrapped = lines.get(i + 1)?.isWrapped;
+      currentLine += line.translateToString(!isWrapped);
+      if (!isWrapped || i === lines.length - 1) {
+        const div = document.createElement('div');
+        div.textContent = currentLine;
+        bufferElements.push(div);
+        if (currentLine.length > 0) {
+          cursorElement = div;
+        }
+        currentLine = '';
+      }
+    }
+    return { bufferElements, cursorElement };
+  }
+
+  /**
+   * Gets the number of pixels scrolled by the mouse event taking into account what type of delta
+   * is being used.
+   * @param ev The mouse wheel event.
+   */
+  public getLinesScrolled(ev: WheelEvent): number {
+    // Do nothing if it's not a vertical scroll event
+    if (ev.deltaY === 0 || ev.shiftKey) {
+      return 0;
+    }
+
+    // Fallback to WheelEvent.DOM_DELTA_LINE
+    let amount = this._applyScrollModifier(ev.deltaY, ev);
+    if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
+      amount /= this._currentRowHeight + 0.0; // Prevent integer division
+      this._wheelPartialScroll += amount;
+      amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);
+      this._wheelPartialScroll %= 1;
+    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+      amount *= this._bufferService.rows;
+    }
+    return amount;
+  }
+
+  private _applyScrollModifier(amount: number, ev: WheelEvent): number {
+    const modifier = this._optionsService.rawOptions.fastScrollModifier;
+    // Multiply the scroll speed when the modifier is down
+    if ((modifier === 'alt' && ev.altKey) ||
+      (modifier === 'ctrl' && ev.ctrlKey) ||
+      (modifier === 'shift' && ev.shiftKey)) {
+      return amount * this._optionsService.rawOptions.fastScrollSensitivity * this._optionsService.rawOptions.scrollSensitivity;
+    }
+
+    return amount * this._optionsService.rawOptions.scrollSensitivity;
+  }
+
+  /**
+   * Handles the touchstart event, recording the touch occurred.
+   * @param ev The touch event.
+   */
+  public handleTouchStart(ev: TouchEvent): void {
+    this._lastTouchY = ev.touches[0].pageY;
+  }
+
+  /**
+   * Handles the touchmove event, scrolling the viewport if the position shifted.
+   * @param ev The touch event.
+   */
+  public handleTouchMove(ev: TouchEvent): boolean {
+    const deltaY = this._lastTouchY - ev.touches[0].pageY;
+    this._lastTouchY = ev.touches[0].pageY;
+    if (deltaY === 0) {
+      return false;
+    }
+    this._viewportElement.scrollTop += deltaY;
+    return this._bubbleScroll(ev, deltaY);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/decorations/BufferDecorationRenderer.ts b/web/public/node_modules/xterm/src/browser/decorations/BufferDecorationRenderer.ts
new file mode 100644
index 000000000..ba4f6ca8f
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/decorations/BufferDecorationRenderer.ts
@@ -0,0 +1,134 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { IRenderService } from 'browser/services/Services';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IBufferService, IDecorationService, IInternalDecoration } from 'common/services/Services';
+
+export class BufferDecorationRenderer extends Disposable {
+  private readonly _container: HTMLElement;
+  private readonly _decorationElements: Map<IInternalDecoration, HTMLElement> = new Map();
+
+  private _animationFrame: number | undefined;
+  private _altBufferIsActive: boolean = false;
+  private _dimensionsChanged: boolean = false;
+
+  constructor(
+    private readonly _screenElement: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IDecorationService private readonly _decorationService: IDecorationService,
+    @IRenderService private readonly _renderService: IRenderService
+  ) {
+    super();
+
+    this._container = document.createElement('div');
+    this._container.classList.add('xterm-decoration-container');
+    this._screenElement.appendChild(this._container);
+
+    this.register(this._renderService.onRenderedViewportChange(() => this._doRefreshDecorations()));
+    this.register(this._renderService.onDimensionsChange(() => {
+      this._dimensionsChanged = true;
+      this._queueRefresh();
+    }));
+    this.register(addDisposableDomListener(window, 'resize', () => this._queueRefresh()));
+    this.register(this._bufferService.buffers.onBufferActivate(() => {
+      this._altBufferIsActive = this._bufferService.buffer === this._bufferService.buffers.alt;
+    }));
+    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh()));
+    this.register(this._decorationService.onDecorationRemoved(decoration => this._removeDecoration(decoration)));
+    this.register(toDisposable(() => {
+      this._container.remove();
+      this._decorationElements.clear();
+    }));
+  }
+
+  private _queueRefresh(): void {
+    if (this._animationFrame !== undefined) {
+      return;
+    }
+    this._animationFrame = this._renderService.addRefreshCallback(() => {
+      this._doRefreshDecorations();
+      this._animationFrame = undefined;
+    });
+  }
+
+  private _doRefreshDecorations(): void {
+    for (const decoration of this._decorationService.decorations) {
+      this._renderDecoration(decoration);
+    }
+    this._dimensionsChanged = false;
+  }
+
+  private _renderDecoration(decoration: IInternalDecoration): void {
+    this._refreshStyle(decoration);
+    if (this._dimensionsChanged) {
+      this._refreshXPosition(decoration);
+    }
+  }
+
+  private _createElement(decoration: IInternalDecoration): HTMLElement {
+    const element = document.createElement('div');
+    element.classList.add('xterm-decoration');
+    element.classList.toggle('xterm-decoration-top-layer', decoration?.options?.layer === 'top');
+    element.style.width = `${Math.round((decoration.options.width || 1) * this._renderService.dimensions.css.cell.width)}px`;
+    element.style.height = `${(decoration.options.height || 1) * this._renderService.dimensions.css.cell.height}px`;
+    element.style.top = `${(decoration.marker.line - this._bufferService.buffers.active.ydisp) * this._renderService.dimensions.css.cell.height}px`;
+    element.style.lineHeight = `${this._renderService.dimensions.css.cell.height}px`;
+
+    const x = decoration.options.x ?? 0;
+    if (x && x > this._bufferService.cols) {
+      // exceeded the container width, so hide
+      element.style.display = 'none';
+    }
+    this._refreshXPosition(decoration, element);
+
+    return element;
+  }
+
+  private _refreshStyle(decoration: IInternalDecoration): void {
+    const line = decoration.marker.line - this._bufferService.buffers.active.ydisp;
+    if (line < 0 || line >= this._bufferService.rows) {
+      // outside of viewport
+      if (decoration.element) {
+        decoration.element.style.display = 'none';
+        decoration.onRenderEmitter.fire(decoration.element);
+      }
+    } else {
+      let element = this._decorationElements.get(decoration);
+      if (!element) {
+        element = this._createElement(decoration);
+        decoration.element = element;
+        this._decorationElements.set(decoration, element);
+        this._container.appendChild(element);
+        decoration.onDispose(() => {
+          this._decorationElements.delete(decoration);
+          element!.remove();
+        });
+      }
+      element.style.top = `${line * this._renderService.dimensions.css.cell.height}px`;
+      element.style.display = this._altBufferIsActive ? 'none' : 'block';
+      decoration.onRenderEmitter.fire(element);
+    }
+  }
+
+  private _refreshXPosition(decoration: IInternalDecoration, element: HTMLElement | undefined = decoration.element): void {
+    if (!element) {
+      return;
+    }
+    const x = decoration.options.x ?? 0;
+    if ((decoration.options.anchor || 'left') === 'right') {
+      element.style.right = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';
+    } else {
+      element.style.left = x ? `${x * this._renderService.dimensions.css.cell.width}px` : '';
+    }
+  }
+
+  private _removeDecoration(decoration: IInternalDecoration): void {
+    this._decorationElements.get(decoration)?.remove();
+    this._decorationElements.delete(decoration);
+    decoration.dispose();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/decorations/ColorZoneStore.ts b/web/public/node_modules/xterm/src/browser/decorations/ColorZoneStore.ts
new file mode 100644
index 000000000..d066bedb8
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/decorations/ColorZoneStore.ts
@@ -0,0 +1,117 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IInternalDecoration } from 'common/services/Services';
+
+export interface IColorZoneStore {
+  readonly zones: IColorZone[];
+  clear(): void;
+  addDecoration(decoration: IInternalDecoration): void;
+  /**
+   * Sets the amount of padding in lines that will be added between zones, if new lines intersect
+   * the padding they will be merged into the same zone.
+   */
+  setPadding(padding: { [position: string]: number }): void;
+}
+
+export interface IColorZone {
+  /** Color in a format supported by canvas' fillStyle. */
+  color: string;
+  position: 'full' | 'left' | 'center' | 'right' | undefined;
+  startBufferLine: number;
+  endBufferLine: number;
+}
+
+interface IMinimalDecorationForColorZone {
+  marker: Pick<IInternalDecoration['marker'], 'line'>;
+  options: Pick<IInternalDecoration['options'], 'overviewRulerOptions'>;
+}
+
+export class ColorZoneStore implements IColorZoneStore {
+  private _zones: IColorZone[] = [];
+
+  // The zone pool is used to keep zone objects from being freed between clearing the color zone
+  // store and fetching the zones. This helps reduce GC pressure since the color zones are
+  // accumulated on potentially every scroll event.
+  private _zonePool: IColorZone[] = [];
+  private _zonePoolIndex = 0;
+
+  private _linePadding: { [position: string]: number } = {
+    full: 0,
+    left: 0,
+    center: 0,
+    right: 0
+  };
+
+  public get zones(): IColorZone[] {
+    // Trim the zone pool to free unused memory
+    this._zonePool.length = Math.min(this._zonePool.length, this._zones.length);
+    return this._zones;
+  }
+
+  public clear(): void {
+    this._zones.length = 0;
+    this._zonePoolIndex = 0;
+  }
+
+  public addDecoration(decoration: IMinimalDecorationForColorZone): void {
+    if (!decoration.options.overviewRulerOptions) {
+      return;
+    }
+    for (const z of this._zones) {
+      if (z.color === decoration.options.overviewRulerOptions.color &&
+          z.position === decoration.options.overviewRulerOptions.position) {
+        if (this._lineIntersectsZone(z, decoration.marker.line)) {
+          return;
+        }
+        if (this._lineAdjacentToZone(z, decoration.marker.line, decoration.options.overviewRulerOptions.position)) {
+          this._addLineToZone(z, decoration.marker.line);
+          return;
+        }
+      }
+    }
+    // Create using zone pool if possible
+    if (this._zonePoolIndex < this._zonePool.length) {
+      this._zonePool[this._zonePoolIndex].color = decoration.options.overviewRulerOptions.color;
+      this._zonePool[this._zonePoolIndex].position = decoration.options.overviewRulerOptions.position;
+      this._zonePool[this._zonePoolIndex].startBufferLine = decoration.marker.line;
+      this._zonePool[this._zonePoolIndex].endBufferLine = decoration.marker.line;
+      this._zones.push(this._zonePool[this._zonePoolIndex++]);
+      return;
+    }
+    // Create
+    this._zones.push({
+      color: decoration.options.overviewRulerOptions.color,
+      position: decoration.options.overviewRulerOptions.position,
+      startBufferLine: decoration.marker.line,
+      endBufferLine: decoration.marker.line
+    });
+    this._zonePool.push(this._zones[this._zones.length - 1]);
+    this._zonePoolIndex++;
+  }
+
+  public setPadding(padding: { [position: string]: number }): void {
+    this._linePadding = padding;
+  }
+
+  private _lineIntersectsZone(zone: IColorZone, line: number): boolean {
+    return (
+      line >= zone.startBufferLine &&
+      line <= zone.endBufferLine
+    );
+  }
+
+  private _lineAdjacentToZone(zone: IColorZone, line: number, position: IColorZone['position']): boolean {
+    return (
+      (line >= zone.startBufferLine - this._linePadding[position || 'full']) &&
+      (line <= zone.endBufferLine + this._linePadding[position || 'full'])
+    );
+  }
+
+  private _addLineToZone(zone: IColorZone, line: number): void {
+    zone.startBufferLine = Math.min(zone.startBufferLine, line);
+    zone.endBufferLine = Math.max(zone.endBufferLine, line);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/decorations/OverviewRulerRenderer.ts b/web/public/node_modules/xterm/src/browser/decorations/OverviewRulerRenderer.ts
new file mode 100644
index 000000000..d57653859
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/decorations/OverviewRulerRenderer.ts
@@ -0,0 +1,219 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations/ColorZoneStore';
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { ICoreBrowserService, IRenderService } from 'browser/services/Services';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
+
+// Helper objects to avoid excessive calculation and garbage collection during rendering. These are
+// static values for each render and can be accessed using the decoration position as the key.
+const drawHeight = {
+  full: 0,
+  left: 0,
+  center: 0,
+  right: 0
+};
+const drawWidth = {
+  full: 0,
+  left: 0,
+  center: 0,
+  right: 0
+};
+const drawX = {
+  full: 0,
+  left: 0,
+  center: 0,
+  right: 0
+};
+
+export class OverviewRulerRenderer extends Disposable {
+  private readonly _canvas: HTMLCanvasElement;
+  private readonly _ctx: CanvasRenderingContext2D;
+  private readonly _colorZoneStore: IColorZoneStore = new ColorZoneStore();
+  private get _width(): number {
+    return this._optionsService.options.overviewRulerWidth || 0;
+  }
+  private _animationFrame: number | undefined;
+
+  private _shouldUpdateDimensions: boolean | undefined = true;
+  private _shouldUpdateAnchor: boolean | undefined = true;
+  private _lastKnownBufferLength: number = 0;
+
+  private _containerHeight: number | undefined;
+
+  constructor(
+    private readonly _viewportElement: HTMLElement,
+    private readonly _screenElement: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IDecorationService private readonly _decorationService: IDecorationService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICoreBrowserService private readonly _coreBrowseService: ICoreBrowserService
+  ) {
+    super();
+    this._canvas = document.createElement('canvas');
+    this._canvas.classList.add('xterm-decoration-overview-ruler');
+    this._refreshCanvasDimensions();
+    this._viewportElement.parentElement?.insertBefore(this._canvas, this._viewportElement);
+    const ctx = this._canvas.getContext('2d');
+    if (!ctx) {
+      throw new Error('Ctx cannot be null');
+    } else {
+      this._ctx = ctx;
+    }
+    this._registerDecorationListeners();
+    this._registerBufferChangeListeners();
+    this._registerDimensionChangeListeners();
+    this.register(toDisposable(() => {
+      this._canvas?.remove();
+    }));
+  }
+
+  /**
+   * On decoration add or remove, redraw
+   */
+  private _registerDecorationListeners(): void {
+    this.register(this._decorationService.onDecorationRegistered(() => this._queueRefresh(undefined, true)));
+    this.register(this._decorationService.onDecorationRemoved(() => this._queueRefresh(undefined, true)));
+  }
+
+  /**
+   * On buffer change, redraw
+   * and hide the canvas if the alt buffer is active
+   */
+  private _registerBufferChangeListeners(): void {
+    this.register(this._renderService.onRenderedViewportChange(() => this._queueRefresh()));
+    this.register(this._bufferService.buffers.onBufferActivate(() => {
+      this._canvas!.style.display = this._bufferService.buffer === this._bufferService.buffers.alt ? 'none' : 'block';
+    }));
+    this.register(this._bufferService.onScroll(() => {
+      if (this._lastKnownBufferLength !== this._bufferService.buffers.normal.lines.length) {
+        this._refreshDrawHeightConstants();
+        this._refreshColorZonePadding();
+      }
+    }));
+  }
+  /**
+   * On dimension change, update canvas dimensions
+   * and then redraw
+   */
+  private _registerDimensionChangeListeners(): void {
+    // container height changed
+    this.register(this._renderService.onRender((): void => {
+      if (!this._containerHeight || this._containerHeight !== this._screenElement.clientHeight) {
+        this._queueRefresh(true);
+        this._containerHeight = this._screenElement.clientHeight;
+      }
+    }));
+    // overview ruler width changed
+    this.register(this._optionsService.onSpecificOptionChange('overviewRulerWidth', () => this._queueRefresh(true)));
+    // device pixel ratio changed
+    this.register(addDisposableDomListener(this._coreBrowseService.window, 'resize', () => this._queueRefresh(true)));
+    // set the canvas dimensions
+    this._queueRefresh(true);
+  }
+
+  private _refreshDrawConstants(): void {
+    // width
+    const outerWidth = Math.floor(this._canvas.width / 3);
+    const innerWidth = Math.ceil(this._canvas.width / 3);
+    drawWidth.full = this._canvas.width;
+    drawWidth.left = outerWidth;
+    drawWidth.center = innerWidth;
+    drawWidth.right = outerWidth;
+    // height
+    this._refreshDrawHeightConstants();
+    // x
+    drawX.full = 0;
+    drawX.left = 0;
+    drawX.center = drawWidth.left;
+    drawX.right = drawWidth.left + drawWidth.center;
+  }
+
+  private _refreshDrawHeightConstants(): void {
+    drawHeight.full = Math.round(2 * this._coreBrowseService.dpr);
+    // Calculate actual pixels per line
+    const pixelsPerLine = this._canvas.height / this._bufferService.buffer.lines.length;
+    // Clamp actual pixels within a range
+    const nonFullHeight = Math.round(Math.max(Math.min(pixelsPerLine, 12), 6) * this._coreBrowseService.dpr);
+    drawHeight.left = nonFullHeight;
+    drawHeight.center = nonFullHeight;
+    drawHeight.right = nonFullHeight;
+  }
+
+  private _refreshColorZonePadding(): void {
+    this._colorZoneStore.setPadding({
+      full: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.full),
+      left: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.left),
+      center: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.center),
+      right: Math.floor(this._bufferService.buffers.active.lines.length / (this._canvas.height - 1) * drawHeight.right)
+    });
+    this._lastKnownBufferLength = this._bufferService.buffers.normal.lines.length;
+  }
+
+  private _refreshCanvasDimensions(): void {
+    this._canvas.style.width = `${this._width}px`;
+    this._canvas.width = Math.round(this._width * this._coreBrowseService.dpr);
+    this._canvas.style.height = `${this._screenElement.clientHeight}px`;
+    this._canvas.height = Math.round(this._screenElement.clientHeight * this._coreBrowseService.dpr);
+    this._refreshDrawConstants();
+    this._refreshColorZonePadding();
+  }
+
+  private _refreshDecorations(): void {
+    if (this._shouldUpdateDimensions) {
+      this._refreshCanvasDimensions();
+    }
+    this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);
+    this._colorZoneStore.clear();
+    for (const decoration of this._decorationService.decorations) {
+      this._colorZoneStore.addDecoration(decoration);
+    }
+    this._ctx.lineWidth = 1;
+    const zones = this._colorZoneStore.zones;
+    for (const zone of zones) {
+      if (zone.position !== 'full') {
+        this._renderColorZone(zone);
+      }
+    }
+    for (const zone of zones) {
+      if (zone.position === 'full') {
+        this._renderColorZone(zone);
+      }
+    }
+    this._shouldUpdateDimensions = false;
+    this._shouldUpdateAnchor = false;
+  }
+
+  private _renderColorZone(zone: IColorZone): void {
+    this._ctx.fillStyle = zone.color;
+    this._ctx.fillRect(
+      /* x */ drawX[zone.position || 'full'],
+      /* y */ Math.round(
+        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line
+        (zone.startBufferLine / this._bufferService.buffers.active.lines.length) - drawHeight[zone.position || 'full'] / 2
+      ),
+      /* w */ drawWidth[zone.position || 'full'],
+      /* h */ Math.round(
+        (this._canvas.height - 1) * // -1 to ensure at least 2px are allowed for decoration on last line
+        ((zone.endBufferLine - zone.startBufferLine) / this._bufferService.buffers.active.lines.length) + drawHeight[zone.position || 'full']
+      )
+    );
+  }
+
+  private _queueRefresh(updateCanvasDimensions?: boolean, updateAnchor?: boolean): void {
+    this._shouldUpdateDimensions = updateCanvasDimensions || this._shouldUpdateDimensions;
+    this._shouldUpdateAnchor = updateAnchor || this._shouldUpdateAnchor;
+    if (this._animationFrame !== undefined) {
+      return;
+    }
+    this._animationFrame = this._coreBrowseService.window.requestAnimationFrame(() => {
+      this._refreshDecorations();
+      this._animationFrame = undefined;
+    });
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/input/CompositionHelper.ts b/web/public/node_modules/xterm/src/browser/input/CompositionHelper.ts
new file mode 100644
index 000000000..7542969a6
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/input/CompositionHelper.ts
@@ -0,0 +1,246 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IRenderService } from 'browser/services/Services';
+import { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';
+import { C0 } from 'common/data/EscapeSequences';
+
+interface IPosition {
+  start: number;
+  end: number;
+}
+
+/**
+ * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend
+ * events, displaying the in-progress composition to the UI and forwarding the final composition
+ * to the handler.
+ */
+export class CompositionHelper {
+  /**
+   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or
+   * IME. This variable determines whether the compositionText should be displayed on the UI.
+   */
+  private _isComposing: boolean;
+  public get isComposing(): boolean { return this._isComposing; }
+
+  /**
+   * The position within the input textarea's value of the current composition.
+   */
+  private _compositionPosition: IPosition;
+
+  /**
+   * Whether a composition is in the process of being sent, setting this to false will cancel any
+   * in-progress composition.
+   */
+  private _isSendingComposition: boolean;
+
+  /**
+   * Data already sent due to keydown event.
+   */
+  private _dataAlreadySent: string;
+
+  constructor(
+    private readonly _textarea: HTMLTextAreaElement,
+    private readonly _compositionView: HTMLElement,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IRenderService private readonly _renderService: IRenderService
+  ) {
+    this._isComposing = false;
+    this._isSendingComposition = false;
+    this._compositionPosition = { start: 0, end: 0 };
+    this._dataAlreadySent = '';
+  }
+
+  /**
+   * Handles the compositionstart event, activating the composition view.
+   */
+  public compositionstart(): void {
+    this._isComposing = true;
+    this._compositionPosition.start = this._textarea.value.length;
+    this._compositionView.textContent = '';
+    this._dataAlreadySent = '';
+    this._compositionView.classList.add('active');
+  }
+
+  /**
+   * Handles the compositionupdate event, updating the composition view.
+   * @param ev The event.
+   */
+  public compositionupdate(ev: Pick<CompositionEvent, 'data'>): void {
+    this._compositionView.textContent = ev.data;
+    this.updateCompositionElements();
+    setTimeout(() => {
+      this._compositionPosition.end = this._textarea.value.length;
+    }, 0);
+  }
+
+  /**
+   * Handles the compositionend event, hiding the composition view and sending the composition to
+   * the handler.
+   */
+  public compositionend(): void {
+    this._finalizeComposition(true);
+  }
+
+  /**
+   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.
+   * @param ev The keydown event.
+   * @returns Whether the Terminal should continue processing the keydown event.
+   */
+  public keydown(ev: KeyboardEvent): boolean {
+    if (this._isComposing || this._isSendingComposition) {
+      if (ev.keyCode === 229) {
+        // Continue composing if the keyCode is the "composition character"
+        return false;
+      }
+      if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
+        // Continue composing if the keyCode is a modifier key
+        return false;
+      }
+      // Finish composition immediately. This is mainly here for the case where enter is
+      // pressed and the handler needs to be triggered before the command is executed.
+      this._finalizeComposition(false);
+    }
+
+    if (ev.keyCode === 229) {
+      // If the "composition character" is used but gets to this point it means a non-composition
+      // character (eg. numbers and punctuation) was pressed when the IME was active.
+      this._handleAnyTextareaChanges();
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Finalizes the composition, resuming regular input actions. This is called when a composition
+   * is ending.
+   * @param waitForPropagation Whether to wait for events to propagate before sending
+   *   the input. This should be false if a non-composition keystroke is entered before the
+   *   compositionend event is triggered, such as enter, so that the composition is sent before
+   *   the command is executed.
+   */
+  private _finalizeComposition(waitForPropagation: boolean): void {
+    this._compositionView.classList.remove('active');
+    this._isComposing = false;
+
+    if (!waitForPropagation) {
+      // Cancel any delayed composition send requests and send the input immediately.
+      this._isSendingComposition = false;
+      const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);
+      this._coreService.triggerDataEvent(input, true);
+    } else {
+      // Make a deep copy of the composition position here as a new compositionstart event may
+      // fire before the setTimeout executes.
+      const currentCompositionPosition = {
+        start: this._compositionPosition.start,
+        end: this._compositionPosition.end
+      };
+
+      // Since composition* events happen before the changes take place in the textarea on most
+      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
+      // complete. This ensures the correct character is retrieved.
+      // This solution was used because:
+      // - The compositionend event's data property is unreliable, at least on Chromium
+      // - The last compositionupdate event's data property does not always accurately describe
+      //   the character, a counter example being Korean where an ending consonsant can move to
+      //   the following character if the following input is a vowel.
+      this._isSendingComposition = true;
+      setTimeout(() => {
+        // Ensure that the input has not already been sent
+        if (this._isSendingComposition) {
+          this._isSendingComposition = false;
+          let input;
+          // Add length of data already sent due to keydown event,
+          // otherwise input characters can be duplicated. (Issue #3191)
+          currentCompositionPosition.start += this._dataAlreadySent.length;
+          if (this._isComposing) {
+            // Use the end position to get the string if a new composition has started.
+            input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);
+          } else {
+            // Don't use the end position here in order to pick up any characters after the
+            // composition has finished, for example when typing a non-composition character
+            // (eg. 2) after a composition character.
+            input = this._textarea.value.substring(currentCompositionPosition.start);
+          }
+          if (input.length > 0) {
+            this._coreService.triggerDataEvent(input, true);
+          }
+        }
+      }, 0);
+    }
+  }
+
+  /**
+   * Apply any changes made to the textarea after the current event chain is allowed to complete.
+   * This should be called when not currently composing but a keydown event with the "composition
+   * character" (229) is triggered, in order to allow non-composition text to be entered when an
+   * IME is active.
+   */
+  private _handleAnyTextareaChanges(): void {
+    const oldValue = this._textarea.value;
+    setTimeout(() => {
+      // Ignore if a composition has started since the timeout
+      if (!this._isComposing) {
+        const newValue = this._textarea.value;
+
+        const diff = newValue.replace(oldValue, '');
+
+        this._dataAlreadySent = diff;
+
+        if (newValue.length > oldValue.length) {
+          this._coreService.triggerDataEvent(diff, true);
+        } else if (newValue.length < oldValue.length) {
+          this._coreService.triggerDataEvent(`${C0.DEL}`, true);
+        } else if ((newValue.length === oldValue.length) && (newValue !== oldValue)) {
+          this._coreService.triggerDataEvent(newValue, true);
+        }
+
+      }
+    }, 0);
+  }
+
+  /**
+   * Positions the composition view on top of the cursor and the textarea just below it (so the
+   * IME helper dialog is positioned correctly).
+   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is
+   *   necessary as the IME events across browsers are not consistently triggered.
+   */
+  public updateCompositionElements(dontRecurse?: boolean): void {
+    if (!this._isComposing) {
+      return;
+    }
+
+    if (this._bufferService.buffer.isCursorInViewport) {
+      const cursorX = Math.min(this._bufferService.buffer.x, this._bufferService.cols - 1);
+
+      const cellHeight = this._renderService.dimensions.css.cell.height;
+      const cursorTop = this._bufferService.buffer.y * this._renderService.dimensions.css.cell.height;
+      const cursorLeft = cursorX * this._renderService.dimensions.css.cell.width;
+
+      this._compositionView.style.left = cursorLeft + 'px';
+      this._compositionView.style.top = cursorTop + 'px';
+      this._compositionView.style.height = cellHeight + 'px';
+      this._compositionView.style.lineHeight = cellHeight + 'px';
+      this._compositionView.style.fontFamily = this._optionsService.rawOptions.fontFamily;
+      this._compositionView.style.fontSize = this._optionsService.rawOptions.fontSize + 'px';
+      // Sync the textarea to the exact position of the composition view so the IME knows where the
+      // text is.
+      const compositionViewBounds = this._compositionView.getBoundingClientRect();
+      this._textarea.style.left = cursorLeft + 'px';
+      this._textarea.style.top = cursorTop + 'px';
+      // Ensure the text area is at least 1x1, otherwise certain IMEs may break
+      this._textarea.style.width = Math.max(compositionViewBounds.width, 1) + 'px';
+      this._textarea.style.height = Math.max(compositionViewBounds.height, 1) + 'px';
+      this._textarea.style.lineHeight = compositionViewBounds.height + 'px';
+    }
+
+    if (!dontRecurse) {
+      setTimeout(() => this.updateCompositionElements(true), 0);
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/input/Mouse.ts b/web/public/node_modules/xterm/src/browser/input/Mouse.ts
new file mode 100644
index 000000000..c40a7cc78
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/input/Mouse.ts
@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export function getCoordsRelativeToElement(window: Pick<Window, 'getComputedStyle'>, event: {clientX: number, clientY: number}, element: HTMLElement): [number, number] {
+  const rect = element.getBoundingClientRect();
+  const elementStyle = window.getComputedStyle(element);
+  const leftPadding = parseInt(elementStyle.getPropertyValue('padding-left'));
+  const topPadding = parseInt(elementStyle.getPropertyValue('padding-top'));
+  return [
+    event.clientX - rect.left - leftPadding,
+    event.clientY - rect.top - topPadding
+  ];
+}
+
+/**
+ * Gets coordinates within the terminal for a particular mouse event. The result
+ * is returned as an array in the form [x, y] instead of an object as it's a
+ * little faster and this function is used in some low level code.
+ * @param window The window object the element belongs to.
+ * @param event The mouse event.
+ * @param element The terminal's container element.
+ * @param colCount The number of columns in the terminal.
+ * @param rowCount The number of rows n the terminal.
+ * @param hasValidCharSize Whether there is a valid character size available.
+ * @param cssCellWidth The cell width device pixel render dimensions.
+ * @param cssCellHeight The cell height device pixel render dimensions.
+ * @param isSelection Whether the request is for the selection or not. This will
+ * apply an offset to the x value such that the left half of the cell will
+ * select that cell and the right half will select the next cell.
+ */
+export function getCoords(window: Pick<Window, 'getComputedStyle'>, event: Pick<MouseEvent, 'clientX' | 'clientY'>, element: HTMLElement, colCount: number, rowCount: number, hasValidCharSize: boolean, cssCellWidth: number, cssCellHeight: number, isSelection?: boolean): [number, number] | undefined {
+  // Coordinates cannot be measured if there are no valid
+  if (!hasValidCharSize) {
+    return undefined;
+  }
+
+  const coords = getCoordsRelativeToElement(window, event, element);
+  if (!coords) {
+    return undefined;
+  }
+
+  coords[0] = Math.ceil((coords[0] + (isSelection ? cssCellWidth / 2 : 0)) / cssCellWidth);
+  coords[1] = Math.ceil(coords[1] / cssCellHeight);
+
+  // Ensure coordinates are within the terminal viewport. Note that selections
+  // need an addition point of precision to cover the end point (as characters
+  // cover half of one char and half of the next).
+  coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));
+  coords[1] = Math.min(Math.max(coords[1], 1), rowCount);
+
+  return coords;
+}
diff --git a/web/public/node_modules/xterm/src/browser/input/MoveToCell.ts b/web/public/node_modules/xterm/src/browser/input/MoveToCell.ts
new file mode 100644
index 000000000..c88db7b20
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/input/MoveToCell.ts
@@ -0,0 +1,249 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { C0 } from 'common/data/EscapeSequences';
+import { IBufferService } from 'common/services/Services';
+
+const enum Direction {
+  UP = 'A',
+  DOWN = 'B',
+  RIGHT = 'C',
+  LEFT = 'D'
+}
+
+/**
+ * Concatenates all the arrow sequences together.
+ * Resets the starting row to an unwrapped row, moves to the requested row,
+ * then moves to requested col.
+ */
+export function moveToCellSequence(targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  const startX = bufferService.buffer.x;
+  const startY = bufferService.buffer.y;
+
+  // The alt buffer should try to navigate between rows
+  if (!bufferService.buffer.hasScrollback) {
+    return resetStartingRow(startX, startY, targetX, targetY, bufferService, applicationCursor) +
+      moveToRequestedRow(startY, targetY, bufferService, applicationCursor) +
+      moveToRequestedCol(startX, startY, targetX, targetY, bufferService, applicationCursor);
+  }
+
+  // Only move horizontally for the normal buffer
+  let direction;
+  if (startY === targetY) {
+    direction = startX > targetX ? Direction.LEFT : Direction.RIGHT;
+    return repeat(Math.abs(startX - targetX), sequence(direction, applicationCursor));
+  }
+  direction = startY > targetY ? Direction.LEFT : Direction.RIGHT;
+  const rowDifference = Math.abs(startY - targetY);
+  const cellsToMove = colsFromRowEnd(startY > targetY ? targetX : startX, bufferService) +
+    (rowDifference - 1) * bufferService.cols + 1 /* wrap around 1 row */ +
+    colsFromRowBeginning(startY > targetY ? startX : targetX, bufferService);
+  return repeat(cellsToMove, sequence(direction, applicationCursor));
+}
+
+/**
+ * Find the number of cols from a row beginning to a col.
+ */
+function colsFromRowBeginning(currX: number, bufferService: IBufferService): number {
+  return currX - 1;
+}
+
+/**
+ * Find the number of cols from a col to row end.
+ */
+function colsFromRowEnd(currX: number, bufferService: IBufferService): number {
+  return bufferService.cols - currX;
+}
+
+/**
+ * If the initial position of the cursor is on a row that is wrapped, move the
+ * cursor up to the first row that is not wrapped to have accurate vertical
+ * positioning.
+ */
+function resetStartingRow(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length === 0) {
+    return '';
+  }
+  return repeat(bufferLine(
+    startX, startY, startX,
+    startY - wrappedRowsForRow(startY, bufferService), false, bufferService
+  ).length, sequence(Direction.LEFT, applicationCursor));
+}
+
+/**
+ * Using the reset starting and ending row, move to the requested row,
+ * ignoring wrapped rows
+ */
+function moveToRequestedRow(startY: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  const startRow = startY - wrappedRowsForRow(startY, bufferService);
+  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);
+
+  const rowsToMove = Math.abs(startRow - endRow) - wrappedRowsCount(startY, targetY, bufferService);
+
+  return repeat(rowsToMove, sequence(verticalDirection(startY, targetY), applicationCursor));
+}
+
+/**
+ * Move to the requested col on the ending row
+ */
+function moveToRequestedCol(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {
+  let startRow;
+  if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length > 0) {
+    startRow = targetY - wrappedRowsForRow(targetY, bufferService);
+  } else {
+    startRow = startY;
+  }
+
+  const endRow = targetY;
+  const direction = horizontalDirection(startX, startY, targetX, targetY, bufferService, applicationCursor);
+
+  return repeat(bufferLine(
+    startX, startRow, targetX, endRow,
+    direction === Direction.RIGHT, bufferService
+  ).length, sequence(direction, applicationCursor));
+}
+
+/**
+ * Utility functions
+ */
+
+/**
+ * Calculates the number of wrapped rows between the unwrapped starting and
+ * ending rows. These rows need to ignored since the cursor skips over them.
+ */
+function wrappedRowsCount(startY: number, targetY: number, bufferService: IBufferService): number {
+  let wrappedRows = 0;
+  const startRow = startY - wrappedRowsForRow(startY, bufferService);
+  const endRow = targetY - wrappedRowsForRow(targetY, bufferService);
+
+  for (let i = 0; i < Math.abs(startRow - endRow); i++) {
+    const direction = verticalDirection(startY, targetY) === Direction.UP ? -1 : 1;
+    const line = bufferService.buffer.lines.get(startRow + (direction * i));
+    if (line?.isWrapped) {
+      wrappedRows++;
+    }
+  }
+
+  return wrappedRows;
+}
+
+/**
+ * Calculates the number of wrapped rows that make up a given row.
+ * @param currentRow The row to determine how many wrapped rows make it up
+ */
+function wrappedRowsForRow(currentRow: number, bufferService: IBufferService): number {
+  let rowCount = 0;
+  let line = bufferService.buffer.lines.get(currentRow);
+  let lineWraps = line?.isWrapped;
+
+  while (lineWraps && currentRow >= 0 && currentRow < bufferService.rows) {
+    rowCount++;
+    line = bufferService.buffer.lines.get(--currentRow);
+    lineWraps = line?.isWrapped;
+  }
+
+  return rowCount;
+}
+
+/**
+ * Direction determiners
+ */
+
+/**
+ * Determines if the right or left arrow is needed
+ */
+function horizontalDirection(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): Direction {
+  let startRow;
+  if (moveToRequestedRow(targetX, targetY, bufferService, applicationCursor).length > 0) {
+    startRow = targetY - wrappedRowsForRow(targetY, bufferService);
+  } else {
+    startRow = startY;
+  }
+
+  if ((startX < targetX &&
+    startRow <= targetY) || // down/right or same y/right
+    (startX >= targetX &&
+    startRow < targetY)) {  // down/left or same y/left
+    return Direction.RIGHT;
+  }
+  return Direction.LEFT;
+}
+
+/**
+ * Determines if the up or down arrow is needed
+ */
+function verticalDirection(startY: number, targetY: number): Direction {
+  return startY > targetY ? Direction.UP : Direction.DOWN;
+}
+
+/**
+ * Constructs the string of chars in the buffer from a starting row and col
+ * to an ending row and col
+ * @param startCol The starting column position
+ * @param startRow The starting row position
+ * @param endCol The ending column position
+ * @param endRow The ending row position
+ * @param forward Direction to move
+ */
+function bufferLine(
+  startCol: number,
+  startRow: number,
+  endCol: number,
+  endRow: number,
+  forward: boolean,
+  bufferService: IBufferService
+): string {
+  let currentCol = startCol;
+  let currentRow = startRow;
+  let bufferStr = '';
+
+  while (currentCol !== endCol || currentRow !== endRow) {
+    currentCol += forward ? 1 : -1;
+
+    if (forward && currentCol > bufferService.cols - 1) {
+      bufferStr += bufferService.buffer.translateBufferLineToString(
+        currentRow, false, startCol, currentCol
+      );
+      currentCol = 0;
+      startCol = 0;
+      currentRow++;
+    } else if (!forward && currentCol < 0) {
+      bufferStr += bufferService.buffer.translateBufferLineToString(
+        currentRow, false, 0, startCol + 1
+      );
+      currentCol = bufferService.cols - 1;
+      startCol = currentCol;
+      currentRow--;
+    }
+  }
+
+  return bufferStr + bufferService.buffer.translateBufferLineToString(
+    currentRow, false, startCol, currentCol
+  );
+}
+
+/**
+ * Constructs the escape sequence for clicking an arrow
+ * @param direction The direction to move
+ */
+function sequence(direction: Direction, applicationCursor: boolean): string {
+  const mod =  applicationCursor ? 'O' : '[';
+  return C0.ESC + mod + direction;
+}
+
+/**
+ * Returns a string repeated a given number of times
+ * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
+ * @param count The number of times to repeat the string
+ * @param str The string that is to be repeated
+ */
+function repeat(count: number, str: string): string {
+  count = Math.floor(count);
+  let rpt = '';
+  for (let i = 0; i < count; i++) {
+    rpt += str;
+  }
+  return rpt;
+}
diff --git a/web/public/node_modules/xterm/src/browser/public/Terminal.ts b/web/public/node_modules/xterm/src/browser/public/Terminal.ts
new file mode 100644
index 000000000..2c75d7b80
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/public/Terminal.ts
@@ -0,0 +1,260 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import * as Strings from 'browser/LocalizableStrings';
+import { Terminal as TerminalCore } from 'browser/Terminal';
+import { IBufferRange, ITerminal } from 'browser/Types';
+import { IEvent } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { ITerminalOptions } from 'common/Types';
+import { AddonManager } from 'common/public/AddonManager';
+import { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';
+import { ParserApi } from 'common/public/ParserApi';
+import { UnicodeApi } from 'common/public/UnicodeApi';
+import { IBufferNamespace as IBufferNamespaceApi, IDecoration, IDecorationOptions, IDisposable, ILinkProvider, ILocalizableStrings, IMarker, IModes, IParser, ITerminalAddon, Terminal as ITerminalApi, ITerminalInitOnlyOptions, IUnicodeHandling } from 'xterm';
+
+/**
+ * The set of options that only have an effect when set in the Terminal constructor.
+ */
+const CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];
+
+export class Terminal extends Disposable implements ITerminalApi {
+  private _core: ITerminal;
+  private _addonManager: AddonManager;
+  private _parser: IParser | undefined;
+  private _buffer: BufferNamespaceApi | undefined;
+  private _publicOptions: Required<ITerminalOptions>;
+
+  constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions) {
+    super();
+
+    this._core = this.register(new TerminalCore(options));
+    this._addonManager = this.register(new AddonManager());
+
+    this._publicOptions = { ... this._core.options };
+    const getter = (propName: string): any => {
+      return this._core.options[propName];
+    };
+    const setter = (propName: string, value: any): void => {
+      this._checkReadonlyOptions(propName);
+      this._core.options[propName] = value;
+    };
+
+    for (const propName in this._core.options) {
+      const desc = {
+        get: getter.bind(this, propName),
+        set: setter.bind(this, propName)
+      };
+      Object.defineProperty(this._publicOptions, propName, desc);
+    }
+  }
+
+  private _checkReadonlyOptions(propName: string): void {
+    // Throw an error if any constructor only option is modified
+    // from terminal.options
+    // Modifications from anywhere else are allowed
+    if (CONSTRUCTOR_ONLY_OPTIONS.includes(propName)) {
+      throw new Error(`Option "${propName}" can only be set in the constructor`);
+    }
+  }
+
+  private _checkProposedApi(): void {
+    if (!this._core.optionsService.rawOptions.allowProposedApi) {
+      throw new Error('You must set the allowProposedApi option to true to use proposed API');
+    }
+  }
+
+  public get onBell(): IEvent<void> { return this._core.onBell; }
+  public get onBinary(): IEvent<string> { return this._core.onBinary; }
+  public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }
+  public get onData(): IEvent<string> { return this._core.onData; }
+  public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }
+  public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
+  public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }
+  public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }
+  public get onScroll(): IEvent<number> { return this._core.onScroll; }
+  public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }
+  public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
+  public get onWriteParsed(): IEvent<void> { return this._core.onWriteParsed; }
+
+  public get element(): HTMLElement | undefined { return this._core.element; }
+  public get parser(): IParser {
+    if (!this._parser) {
+      this._parser = new ParserApi(this._core);
+    }
+    return this._parser;
+  }
+  public get unicode(): IUnicodeHandling {
+    this._checkProposedApi();
+    return new UnicodeApi(this._core);
+  }
+  public get textarea(): HTMLTextAreaElement | undefined { return this._core.textarea; }
+  public get rows(): number { return this._core.rows; }
+  public get cols(): number { return this._core.cols; }
+  public get buffer(): IBufferNamespaceApi {
+    if (!this._buffer) {
+      this._buffer = this.register(new BufferNamespaceApi(this._core));
+    }
+    return this._buffer;
+  }
+  public get markers(): ReadonlyArray<IMarker> {
+    this._checkProposedApi();
+    return this._core.markers;
+  }
+  public get modes(): IModes {
+    const m = this._core.coreService.decPrivateModes;
+    let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';
+    switch (this._core.coreMouseService.activeProtocol) {
+      case 'X10': mouseTrackingMode = 'x10'; break;
+      case 'VT200': mouseTrackingMode = 'vt200'; break;
+      case 'DRAG': mouseTrackingMode = 'drag'; break;
+      case 'ANY': mouseTrackingMode = 'any'; break;
+    }
+    return {
+      applicationCursorKeysMode: m.applicationCursorKeys,
+      applicationKeypadMode: m.applicationKeypad,
+      bracketedPasteMode: m.bracketedPasteMode,
+      insertMode: this._core.coreService.modes.insertMode,
+      mouseTrackingMode: mouseTrackingMode,
+      originMode: m.origin,
+      reverseWraparoundMode: m.reverseWraparound,
+      sendFocusMode: m.sendFocus,
+      wraparoundMode: m.wraparound
+    };
+  }
+  public get options(): Required<ITerminalOptions> {
+    return this._publicOptions;
+  }
+  public set options(options: ITerminalOptions) {
+    for (const propName in options) {
+      this._publicOptions[propName] = options[propName];
+    }
+  }
+  public blur(): void {
+    this._core.blur();
+  }
+  public focus(): void {
+    this._core.focus();
+  }
+  public resize(columns: number, rows: number): void {
+    this._verifyIntegers(columns, rows);
+    this._core.resize(columns, rows);
+  }
+  public open(parent: HTMLElement): void {
+    this._core.open(parent);
+  }
+  public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {
+    this._core.attachCustomKeyEventHandler(customKeyEventHandler);
+  }
+  public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
+    return this._core.registerLinkProvider(linkProvider);
+  }
+  public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {
+    this._checkProposedApi();
+    return this._core.registerCharacterJoiner(handler);
+  }
+  public deregisterCharacterJoiner(joinerId: number): void {
+    this._checkProposedApi();
+    this._core.deregisterCharacterJoiner(joinerId);
+  }
+  public registerMarker(cursorYOffset: number = 0): IMarker {
+    this._verifyIntegers(cursorYOffset);
+    return this._core.registerMarker(cursorYOffset);
+  }
+  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined {
+    this._checkProposedApi();
+    this._verifyPositiveIntegers(decorationOptions.x ?? 0, decorationOptions.width ?? 0, decorationOptions.height ?? 0);
+    return this._core.registerDecoration(decorationOptions);
+  }
+  public hasSelection(): boolean {
+    return this._core.hasSelection();
+  }
+  public select(column: number, row: number, length: number): void {
+    this._verifyIntegers(column, row, length);
+    this._core.select(column, row, length);
+  }
+  public getSelection(): string {
+    return this._core.getSelection();
+  }
+  public getSelectionPosition(): IBufferRange | undefined {
+    return this._core.getSelectionPosition();
+  }
+  public clearSelection(): void {
+    this._core.clearSelection();
+  }
+  public selectAll(): void {
+    this._core.selectAll();
+  }
+  public selectLines(start: number, end: number): void {
+    this._verifyIntegers(start, end);
+    this._core.selectLines(start, end);
+  }
+  public dispose(): void {
+    super.dispose();
+  }
+  public scrollLines(amount: number): void {
+    this._verifyIntegers(amount);
+    this._core.scrollLines(amount);
+  }
+  public scrollPages(pageCount: number): void {
+    this._verifyIntegers(pageCount);
+    this._core.scrollPages(pageCount);
+  }
+  public scrollToTop(): void {
+    this._core.scrollToTop();
+  }
+  public scrollToBottom(): void {
+    this._core.scrollToBottom();
+  }
+  public scrollToLine(line: number): void {
+    this._verifyIntegers(line);
+    this._core.scrollToLine(line);
+  }
+  public clear(): void {
+    this._core.clear();
+  }
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    this._core.write(data, callback);
+  }
+  public writeln(data: string | Uint8Array, callback?: () => void): void {
+    this._core.write(data);
+    this._core.write('\r\n', callback);
+  }
+  public paste(data: string): void {
+    this._core.paste(data);
+  }
+  public refresh(start: number, end: number): void {
+    this._verifyIntegers(start, end);
+    this._core.refresh(start, end);
+  }
+  public reset(): void {
+    this._core.reset();
+  }
+  public clearTextureAtlas(): void {
+    this._core.clearTextureAtlas();
+  }
+  public loadAddon(addon: ITerminalAddon): void {
+    this._addonManager.loadAddon(this, addon);
+  }
+  public static get strings(): ILocalizableStrings {
+    return Strings;
+  }
+
+  private _verifyIntegers(...values: number[]): void {
+    for (const value of values) {
+      if (value === Infinity || isNaN(value) || value % 1 !== 0) {
+        throw new Error('This API only accepts integers');
+      }
+    }
+  }
+
+  private _verifyPositiveIntegers(...values: number[]): void {
+    for (const value of values) {
+      if (value && (value === Infinity || isNaN(value) || value % 1 !== 0 || value < 0)) {
+        throw new Error('This API only accepts positive integers');
+      }
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/dom/DomRenderer.ts b/web/public/node_modules/xterm/src/browser/renderer/dom/DomRenderer.ts
new file mode 100644
index 000000000..7413776c8
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/dom/DomRenderer.ts
@@ -0,0 +1,506 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { DomRendererRowFactory, RowCss } from 'browser/renderer/dom/DomRendererRowFactory';
+import { WidthCache } from 'browser/renderer/dom/WidthCache';
+import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';
+import { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';
+import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/shared/Types';
+import { ICharSizeService, ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { ILinkifier2, ILinkifierEvent, ReadonlyColorSet } from 'browser/Types';
+import { color } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IBufferService, IInstantiationService, IOptionsService } from 'common/services/Services';
+
+
+const TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';
+const ROW_CONTAINER_CLASS = 'xterm-rows';
+const FG_CLASS_PREFIX = 'xterm-fg-';
+const BG_CLASS_PREFIX = 'xterm-bg-';
+const FOCUS_CLASS = 'xterm-focus';
+const SELECTION_CLASS = 'xterm-selection';
+
+let nextTerminalId = 1;
+
+
+/**
+ * A fallback renderer for when canvas is slow. This is not meant to be
+ * particularly fast or feature complete, more just stable and usable for when
+ * canvas is not an option.
+ */
+export class DomRenderer extends Disposable implements IRenderer {
+  private _rowFactory: DomRendererRowFactory;
+  private _terminalClass: number = nextTerminalId++;
+
+  private _themeStyleElement!: HTMLStyleElement;
+  private _dimensionsStyleElement!: HTMLStyleElement;
+  private _rowContainer: HTMLElement;
+  private _rowElements: HTMLElement[] = [];
+  private _selectionContainer: HTMLElement;
+  private _widthCache: WidthCache;
+
+  public dimensions: IRenderDimensions;
+
+  public readonly onRequestRedraw = this.register(new EventEmitter<IRequestRedrawEvent>()).event;
+
+  constructor(
+    private readonly _element: HTMLElement,
+    private readonly _screenElement: HTMLElement,
+    private readonly _viewportElement: HTMLElement,
+    private readonly _linkifier2: ILinkifier2,
+    @IInstantiationService instantiationService: IInstantiationService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @IThemeService private readonly _themeService: IThemeService
+  ) {
+    super();
+    this._rowContainer = document.createElement('div');
+    this._rowContainer.classList.add(ROW_CONTAINER_CLASS);
+    this._rowContainer.style.lineHeight = 'normal';
+    this._rowContainer.setAttribute('aria-hidden', 'true');
+    this._refreshRowElements(this._bufferService.cols, this._bufferService.rows);
+    this._selectionContainer = document.createElement('div');
+    this._selectionContainer.classList.add(SELECTION_CLASS);
+    this._selectionContainer.setAttribute('aria-hidden', 'true');
+
+    this.dimensions = createRenderDimensions();
+    this._updateDimensions();
+    this.register(this._optionsService.onOptionChange(() => this._handleOptionsChanged()));
+
+    this.register(this._themeService.onChangeColors(e => this._injectCss(e)));
+    this._injectCss(this._themeService.colors);
+
+    this._rowFactory = instantiationService.createInstance(DomRendererRowFactory, document);
+
+    this._element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);
+    this._screenElement.appendChild(this._rowContainer);
+    this._screenElement.appendChild(this._selectionContainer);
+
+    this.register(this._linkifier2.onShowLinkUnderline(e => this._handleLinkHover(e)));
+    this.register(this._linkifier2.onHideLinkUnderline(e => this._handleLinkLeave(e)));
+
+    this.register(toDisposable(() => {
+      this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
+
+      // Outside influences such as React unmounts may manipulate the DOM before our disposal.
+      // https://github.com/xtermjs/xterm.js/issues/2960
+      this._rowContainer.remove();
+      this._selectionContainer.remove();
+      this._widthCache.dispose();
+      this._themeStyleElement.remove();
+      this._dimensionsStyleElement.remove();
+    }));
+
+    this._widthCache = new WidthCache(document);
+    this._widthCache.setFont(
+      this._optionsService.rawOptions.fontFamily,
+      this._optionsService.rawOptions.fontSize,
+      this._optionsService.rawOptions.fontWeight,
+      this._optionsService.rawOptions.fontWeightBold
+    );
+    this._setDefaultSpacing();
+  }
+
+  private _updateDimensions(): void {
+    const dpr = this._coreBrowserService.dpr;
+    this.dimensions.device.char.width = this._charSizeService.width * dpr;
+    this.dimensions.device.char.height = Math.ceil(this._charSizeService.height * dpr);
+    this.dimensions.device.cell.width = this.dimensions.device.char.width + Math.round(this._optionsService.rawOptions.letterSpacing);
+    this.dimensions.device.cell.height = Math.floor(this.dimensions.device.char.height * this._optionsService.rawOptions.lineHeight);
+    this.dimensions.device.char.left = 0;
+    this.dimensions.device.char.top = 0;
+    this.dimensions.device.canvas.width = this.dimensions.device.cell.width * this._bufferService.cols;
+    this.dimensions.device.canvas.height = this.dimensions.device.cell.height * this._bufferService.rows;
+    this.dimensions.css.canvas.width = Math.round(this.dimensions.device.canvas.width / dpr);
+    this.dimensions.css.canvas.height = Math.round(this.dimensions.device.canvas.height / dpr);
+    this.dimensions.css.cell.width = this.dimensions.css.canvas.width / this._bufferService.cols;
+    this.dimensions.css.cell.height = this.dimensions.css.canvas.height / this._bufferService.rows;
+
+    for (const element of this._rowElements) {
+      element.style.width = `${this.dimensions.css.canvas.width}px`;
+      element.style.height = `${this.dimensions.css.cell.height}px`;
+      element.style.lineHeight = `${this.dimensions.css.cell.height}px`;
+      // Make sure rows don't overflow onto following row
+      element.style.overflow = 'hidden';
+    }
+
+    if (!this._dimensionsStyleElement) {
+      this._dimensionsStyleElement = document.createElement('style');
+      this._screenElement.appendChild(this._dimensionsStyleElement);
+    }
+
+    const styles =
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +
+      ` display: inline-block;` +   // TODO: find workaround for inline-block (creates ~20% render penalty)
+      ` height: 100%;` +
+      ` vertical-align: top;` +
+      `}`;
+
+    this._dimensionsStyleElement.textContent = styles;
+
+    this._selectionContainer.style.height = this._viewportElement.style.height;
+    this._screenElement.style.width = `${this.dimensions.css.canvas.width}px`;
+    this._screenElement.style.height = `${this.dimensions.css.canvas.height}px`;
+  }
+
+  private _injectCss(colors: ReadonlyColorSet): void {
+    if (!this._themeStyleElement) {
+      this._themeStyleElement = document.createElement('style');
+      this._screenElement.appendChild(this._themeStyleElement);
+    }
+
+    // Base CSS
+    let styles =
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +
+      ` color: ${colors.foreground.css};` +
+      ` font-family: ${this._optionsService.rawOptions.fontFamily};` +
+      ` font-size: ${this._optionsService.rawOptions.fontSize}px;` +
+      ` font-kerning: none;` +
+      ` white-space: pre` +
+      `}`;
+    styles +=
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .xterm-dim {` +
+      ` color: ${color.multiplyOpacity(colors.foreground, 0.5).css};` +
+      `}`;
+    // Text styles
+    styles +=
+      `${this._terminalSelector} span:not(.${RowCss.BOLD_CLASS}) {` +
+      ` font-weight: ${this._optionsService.rawOptions.fontWeight};` +
+      `}` +
+      `${this._terminalSelector} span.${RowCss.BOLD_CLASS} {` +
+      ` font-weight: ${this._optionsService.rawOptions.fontWeightBold};` +
+      `}` +
+      `${this._terminalSelector} span.${RowCss.ITALIC_CLASS} {` +
+      ` font-style: italic;` +
+      `}`;
+    // Blink animation
+    styles +=
+      `@keyframes blink_box_shadow` + `_` + this._terminalClass + ` {` +
+      ` 50% {` +
+      `  border-bottom-style: hidden;` +
+      ` }` +
+      `}`;
+    styles +=
+      `@keyframes blink_block` + `_` + this._terminalClass + ` {` +
+      ` 0% {` +
+      `  background-color: ${colors.cursor.css};` +
+      `  color: ${colors.cursorAccent.css};` +
+      ` }` +
+      ` 50% {` +
+      `  background-color: inherit;` +
+      `  color: ${colors.cursor.css};` +
+      ` }` +
+      `}`;
+    // Cursor
+    styles +=
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}:not(.${RowCss.CURSOR_STYLE_BLOCK_CLASS}) {` +
+      ` animation: blink_box_shadow` + `_` + this._terminalClass + ` 1s step-end infinite;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_BLINK_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +
+      ` animation: blink_block` + `_` + this._terminalClass + ` 1s step-end infinite;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BLOCK_CLASS} {` +
+      ` background-color: ${colors.cursor.css};` +
+      ` color: ${colors.cursorAccent.css};` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_OUTLINE_CLASS} {` +
+      ` outline: 1px solid ${colors.cursor.css};` +
+      ` outline-offset: -1px;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_BAR_CLASS} {` +
+      ` box-shadow: ${this._optionsService.rawOptions.cursorWidth}px 0 0 ${colors.cursor.css} inset;` +
+      `}` +
+      `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${RowCss.CURSOR_CLASS}.${RowCss.CURSOR_STYLE_UNDERLINE_CLASS} {` +
+      ` border-bottom: 1px ${colors.cursor.css};` +
+      ` border-bottom-style: solid;` +
+      ` height: calc(100% - 1px);` +
+      `}`;
+    // Selection
+    styles +=
+      `${this._terminalSelector} .${SELECTION_CLASS} {` +
+      ` position: absolute;` +
+      ` top: 0;` +
+      ` left: 0;` +
+      ` z-index: 1;` +
+      ` pointer-events: none;` +
+      `}` +
+      `${this._terminalSelector}.focus .${SELECTION_CLASS} div {` +
+      ` position: absolute;` +
+      ` background-color: ${colors.selectionBackgroundOpaque.css};` +
+      `}` +
+      `${this._terminalSelector} .${SELECTION_CLASS} div {` +
+      ` position: absolute;` +
+      ` background-color: ${colors.selectionInactiveBackgroundOpaque.css};` +
+      `}`;
+    // Colors
+    for (const [i, c] of colors.ansi.entries()) {
+      styles +=
+        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +
+        `${this._terminalSelector} .${FG_CLASS_PREFIX}${i}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(c, 0.5).css}; }` +
+        `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;
+    }
+    styles +=
+      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${color.opaque(colors.background).css}; }` +
+      `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR}.${RowCss.DIM_CLASS} { color: ${color.multiplyOpacity(color.opaque(colors.background), 0.5).css}; }` +
+      `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${colors.foreground.css}; }`;
+
+    this._themeStyleElement.textContent = styles;
+  }
+
+  /**
+   * default letter spacing
+   * Due to rounding issues in dimensions dpr calc glyph might render
+   * slightly too wide or too narrow. The method corrects the stacking offsets
+   * by applying a default letter-spacing for all chars.
+   * The value gets passed to the row factory to avoid setting this value again
+   * (render speedup is roughly 10%).
+   */
+  private _setDefaultSpacing(): void {
+    // measure same char as in CharSizeService to get the base deviation
+    const spacing = this.dimensions.css.cell.width - this._widthCache.get('W', false, false);
+    this._rowContainer.style.letterSpacing = `${spacing}px`;
+    this._rowFactory.defaultSpacing = spacing;
+  }
+
+  public handleDevicePixelRatioChange(): void {
+    this._updateDimensions();
+    this._widthCache.clear();
+    this._setDefaultSpacing();
+  }
+
+  private _refreshRowElements(cols: number, rows: number): void {
+    // Add missing elements
+    for (let i = this._rowElements.length; i <= rows; i++) {
+      const row = document.createElement('div');
+      this._rowContainer.appendChild(row);
+      this._rowElements.push(row);
+    }
+    // Remove excess elements
+    while (this._rowElements.length > rows) {
+      this._rowContainer.removeChild(this._rowElements.pop()!);
+    }
+  }
+
+  public handleResize(cols: number, rows: number): void {
+    this._refreshRowElements(cols, rows);
+    this._updateDimensions();
+  }
+
+  public handleCharSizeChanged(): void {
+    this._updateDimensions();
+    this._widthCache.clear();
+    this._setDefaultSpacing();
+  }
+
+  public handleBlur(): void {
+    this._rowContainer.classList.remove(FOCUS_CLASS);
+  }
+
+  public handleFocus(): void {
+    this._rowContainer.classList.add(FOCUS_CLASS);
+    this.renderRows(this._bufferService.buffer.y, this._bufferService.buffer.y);
+  }
+
+  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {
+    // Remove all selections
+    this._selectionContainer.replaceChildren();
+    this._rowFactory.handleSelectionChanged(start, end, columnSelectMode);
+    this.renderRows(0, this._bufferService.rows - 1);
+
+    // Selection does not exist
+    if (!start || !end) {
+      return;
+    }
+
+    // Translate from buffer position to viewport position
+    const viewportStartRow = start[1] - this._bufferService.buffer.ydisp;
+    const viewportEndRow = end[1] - this._bufferService.buffer.ydisp;
+    const viewportCappedStartRow = Math.max(viewportStartRow, 0);
+    const viewportCappedEndRow = Math.min(viewportEndRow, this._bufferService.rows - 1);
+
+    // No need to draw the selection
+    if (viewportCappedStartRow >= this._bufferService.rows || viewportCappedEndRow < 0) {
+      return;
+    }
+
+    // Create the selections
+    const documentFragment = document.createDocumentFragment();
+
+    if (columnSelectMode) {
+      const isXFlipped = start[0] > end[0];
+      documentFragment.appendChild(
+        this._createSelectionElement(viewportCappedStartRow, isXFlipped ? end[0] : start[0], isXFlipped ? start[0] : end[0], viewportCappedEndRow - viewportCappedStartRow + 1)
+      );
+    } else {
+      // Draw first row
+      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+      const endCol = viewportCappedStartRow === viewportEndRow ? end[0] : this._bufferService.cols;
+      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
+      // Draw middle rows
+      const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
+      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._bufferService.cols, middleRowsCount));
+      // Draw final row
+      if (viewportCappedStartRow !== viewportCappedEndRow) {
+        // Only draw viewportEndRow if it's not the same as viewporttartRow
+        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));
+      }
+    }
+    this._selectionContainer.appendChild(documentFragment);
+  }
+
+  /**
+   * Creates a selection element at the specified position.
+   * @param row The row of the selection.
+   * @param colStart The start column.
+   * @param colEnd The end columns.
+   */
+  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {
+    const element = document.createElement('div');
+    element.style.height = `${rowCount * this.dimensions.css.cell.height}px`;
+    element.style.top = `${row * this.dimensions.css.cell.height}px`;
+    element.style.left = `${colStart * this.dimensions.css.cell.width}px`;
+    element.style.width = `${this.dimensions.css.cell.width * (colEnd - colStart)}px`;
+    return element;
+  }
+
+  public handleCursorMove(): void {
+    // No-op, the cursor is drawn when rows are drawn
+  }
+
+  private _handleOptionsChanged(): void {
+    // Force a refresh
+    this._updateDimensions();
+    // Refresh CSS
+    this._injectCss(this._themeService.colors);
+    // update spacing cache
+    this._widthCache.setFont(
+      this._optionsService.rawOptions.fontFamily,
+      this._optionsService.rawOptions.fontSize,
+      this._optionsService.rawOptions.fontWeight,
+      this._optionsService.rawOptions.fontWeightBold
+    );
+    this._setDefaultSpacing();
+  }
+
+  public clear(): void {
+    for (const e of this._rowElements) {
+      /**
+       * NOTE: This used to be `e.innerText = '';` but that doesn't work when using `jsdom` and
+       * `@testing-library/react`
+       *
+       * references:
+       * - https://github.com/testing-library/react-testing-library/issues/1146
+       * - https://github.com/jsdom/jsdom/issues/1245
+       */
+      e.replaceChildren();
+    }
+  }
+
+  public renderRows(start: number, end: number): void {
+    const buffer = this._bufferService.buffer;
+    const cursorAbsoluteY = buffer.ybase + buffer.y;
+    const cursorX = Math.min(buffer.x, this._bufferService.cols - 1);
+    const cursorBlink = this._optionsService.rawOptions.cursorBlink;
+    const cursorStyle = this._optionsService.rawOptions.cursorStyle;
+    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;
+
+    for (let y = start; y <= end; y++) {
+      const row = y + buffer.ydisp;
+      const rowElement = this._rowElements[y];
+      const lineData = buffer.lines.get(row);
+      if (!rowElement || !lineData) {
+        break;
+      }
+      rowElement.replaceChildren(
+        ...this._rowFactory.createRow(
+          lineData,
+          row,
+          row === cursorAbsoluteY,
+          cursorStyle,
+          cursorInactiveStyle,
+          cursorX,
+          cursorBlink,
+          this.dimensions.css.cell.width,
+          this._widthCache,
+          -1,
+          -1
+        )
+      );
+    }
+  }
+
+  private get _terminalSelector(): string {
+    return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;
+  }
+
+  private _handleLinkHover(e: ILinkifierEvent): void {
+    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);
+  }
+
+  private _handleLinkLeave(e: ILinkifierEvent): void {
+    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);
+  }
+
+  private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {
+    /**
+     * NOTE: The linkifier may send out of viewport y-values if:
+     * - negative y-value: the link started at a higher line
+     * - y-value >= maxY: the link ends at a line below viewport
+     *
+     * For negative y-values we can simply adjust x = 0,
+     * as higher up link start means, that everything from
+     * (0,0) is a link under top-down-left-right char progression
+     *
+     * Additionally there might be a small chance of out-of-sync x|y-values
+     * from a race condition of render updates vs. link event handler execution:
+     * - (sync) resize: chances terminal buffer in sync, schedules render update async
+     * - (async) link handler race condition: new buffer metrics, but still on old render state
+     * - (async) render update: brings term metrics and render state back in sync
+     */
+    // clip coords into viewport
+    if (y < 0) x = 0;
+    if (y2 < 0) x2 = 0;
+    const maxY = this._bufferService.rows - 1;
+    y = Math.max(Math.min(y, maxY), 0);
+    y2 = Math.max(Math.min(y2, maxY), 0);
+
+    cols = Math.min(cols, this._bufferService.cols);
+    const buffer = this._bufferService.buffer;
+    const cursorAbsoluteY = buffer.ybase + buffer.y;
+    const cursorX = Math.min(buffer.x, cols - 1);
+    const cursorBlink = this._optionsService.rawOptions.cursorBlink;
+    const cursorStyle = this._optionsService.rawOptions.cursorStyle;
+    const cursorInactiveStyle = this._optionsService.rawOptions.cursorInactiveStyle;
+
+    // refresh rows within link range
+    for (let i = y; i <= y2; ++i) {
+      const row = i + buffer.ydisp;
+      const rowElement = this._rowElements[i];
+      const bufferline = buffer.lines.get(row);
+      if (!rowElement || !bufferline) {
+        break;
+      }
+      rowElement.replaceChildren(
+        ...this._rowFactory.createRow(
+          bufferline,
+          row,
+          row === cursorAbsoluteY,
+          cursorStyle,
+          cursorInactiveStyle,
+          cursorX,
+          cursorBlink,
+          this.dimensions.css.cell.width,
+          this._widthCache,
+          enabled ? (i === y ? x : 0) : -1,
+          enabled ? ((i === y2 ? x2 : cols) - 1) : -1
+        )
+      );
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/dom/DomRendererRowFactory.ts b/web/public/node_modules/xterm/src/browser/renderer/dom/DomRendererRowFactory.ts
new file mode 100644
index 000000000..e6412b80a
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/dom/DomRendererRowFactory.ts
@@ -0,0 +1,522 @@
+/**
+ * Copyright (c) 2018, 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferLine, ICellData, IColor } from 'common/Types';
+import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';
+import { WHITESPACE_CELL_CHAR, Attributes } from 'common/buffer/Constants';
+import { CellData } from 'common/buffer/CellData';
+import { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
+import { color, rgba } from 'common/Color';
+import { ICharacterJoinerService, ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { JoinedCellData } from 'browser/services/CharacterJoinerService';
+import { excludeFromContrastRatioDemands } from 'browser/renderer/shared/RendererUtils';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { WidthCache } from 'browser/renderer/dom/WidthCache';
+import { IColorContrastCache } from 'browser/Types';
+
+
+export const enum RowCss {
+  BOLD_CLASS = 'xterm-bold',
+  DIM_CLASS = 'xterm-dim',
+  ITALIC_CLASS = 'xterm-italic',
+  UNDERLINE_CLASS = 'xterm-underline',
+  OVERLINE_CLASS = 'xterm-overline',
+  STRIKETHROUGH_CLASS = 'xterm-strikethrough',
+  CURSOR_CLASS = 'xterm-cursor',
+  CURSOR_BLINK_CLASS = 'xterm-cursor-blink',
+  CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block',
+  CURSOR_STYLE_OUTLINE_CLASS = 'xterm-cursor-outline',
+  CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar',
+  CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline'
+}
+
+
+export class DomRendererRowFactory {
+  private _workCell: CellData = new CellData();
+
+  private _selectionStart: [number, number] | undefined;
+  private _selectionEnd: [number, number] | undefined;
+  private _columnSelectMode: boolean = false;
+
+  public defaultSpacing = 0;
+
+  constructor(
+    private readonly _document: Document,
+    @ICharacterJoinerService private readonly _characterJoinerService: ICharacterJoinerService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IDecorationService private readonly _decorationService: IDecorationService,
+    @IThemeService private readonly _themeService: IThemeService
+  ) {}
+
+  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {
+    this._selectionStart = start;
+    this._selectionEnd = end;
+    this._columnSelectMode = columnSelectMode;
+  }
+
+  public createRow(
+    lineData: IBufferLine,
+    row: number,
+    isCursorRow: boolean,
+    cursorStyle: string | undefined,
+    cursorInactiveStyle: string | undefined,
+    cursorX: number,
+    cursorBlink: boolean,
+    cellWidth: number,
+    widthCache: WidthCache,
+    linkStart: number,
+    linkEnd: number
+  ): HTMLSpanElement[] {
+
+    const elements: HTMLSpanElement[] = [];
+    const joinedRanges = this._characterJoinerService.getJoinedCharacters(row);
+    const colors = this._themeService.colors;
+
+    let lineLength = lineData.getNoBgTrimmedLength();
+    if (isCursorRow && lineLength < cursorX + 1) {
+      lineLength = cursorX + 1;
+    }
+
+    let charElement: HTMLSpanElement | undefined;
+    let cellAmount = 0;
+    let text = '';
+    let oldBg = 0;
+    let oldFg = 0;
+    let oldExt = 0;
+    let oldLinkHover: number | boolean = false;
+    let oldSpacing = 0;
+    let oldIsInSelection: boolean = false;
+    let spacing = 0;
+    const classes: string[] = [];
+
+    const hasHover = linkStart !== -1 && linkEnd !== -1;
+
+    for (let x = 0; x < lineLength; x++) {
+      lineData.loadCell(x, this._workCell);
+      let width = this._workCell.getWidth();
+
+      // The character to the left is a wide character, drawing is owned by the char at x-1
+      if (width === 0) {
+        continue;
+      }
+
+      // If true, indicates that the current character(s) to draw were joined.
+      let isJoined = false;
+      let lastCharX = x;
+
+      // Process any joined character ranges as needed. Because of how the
+      // ranges are produced, we know that they are valid for the characters
+      // and attributes of our input.
+      let cell = this._workCell;
+      if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {
+        isJoined = true;
+        const range = joinedRanges.shift()!;
+
+        // We already know the exact start and end column of the joined range,
+        // so we get the string and width representing it directly
+        cell = new JoinedCellData(
+          this._workCell,
+          lineData.translateToString(true, range[0], range[1]),
+          range[1] - range[0]
+        );
+
+        // Skip over the cells occupied by this range in the loop
+        lastCharX = range[1] - 1;
+
+        // Recalculate width
+        width = cell.getWidth();
+      }
+
+      const isInSelection = this._isCellInSelection(x, row);
+      const isCursorCell = isCursorRow && x === cursorX;
+      const isLinkHover = hasHover && x >= linkStart && x <= linkEnd;
+
+      let isDecorated = false;
+      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {
+        isDecorated = true;
+      });
+
+      // get chars to render for this cell
+      let chars = cell.getChars() || WHITESPACE_CELL_CHAR;
+      if (chars === ' ' && (cell.isUnderline() || cell.isOverline())) {
+        chars = '\xa0';
+      }
+
+      // lookup char render width and calc spacing
+      spacing = width * cellWidth - widthCache.get(chars, cell.isBold(), cell.isItalic());
+
+      if (!charElement) {
+        charElement = this._document.createElement('span');
+      } else {
+        /**
+         * chars can only be merged on existing span if:
+         * - existing span only contains mergeable chars (cellAmount != 0)
+         * - bg did not change (or both are in selection)
+         * - fg did not change (or both are in selection and selection fg is set)
+         * - ext did not change
+         * - underline from hover state did not change
+         * - cell content renders to same letter-spacing
+         * - cell is not cursor
+         */
+        if (
+          cellAmount
+          && (
+            (isInSelection && oldIsInSelection)
+            || (!isInSelection && !oldIsInSelection && cell.bg === oldBg)
+          )
+          && (
+            (isInSelection && oldIsInSelection && colors.selectionForeground)
+            || cell.fg === oldFg
+          )
+          && cell.extended.ext === oldExt
+          && isLinkHover === oldLinkHover
+          && spacing === oldSpacing
+          && !isCursorCell
+          && !isJoined
+          && !isDecorated
+        ) {
+          // no span alterations, thus only account chars skipping all code below
+          text += chars;
+          cellAmount++;
+          continue;
+        } else {
+          /**
+           * cannot merge:
+           * - apply left-over text to old span
+           * - create new span, reset state holders cellAmount & text
+           */
+          if (cellAmount) {
+            charElement.textContent = text;
+          }
+          charElement = this._document.createElement('span');
+          cellAmount = 0;
+          text = '';
+        }
+      }
+      // preserve conditions for next merger eval round
+      oldBg = cell.bg;
+      oldFg = cell.fg;
+      oldExt = cell.extended.ext;
+      oldLinkHover = isLinkHover;
+      oldSpacing = spacing;
+      oldIsInSelection = isInSelection;
+
+      if (isJoined) {
+        // The DOM renderer colors the background of the cursor but for ligatures all cells are
+        // joined. The workaround here is to show a cursor around the whole ligature so it shows up,
+        // the cursor looks the same when on any character of the ligature though
+        if (cursorX >= x && cursorX <= lastCharX) {
+          cursorX = x;
+        }
+      }
+
+      if (!this._coreService.isCursorHidden && isCursorCell) {
+        classes.push(RowCss.CURSOR_CLASS);
+        if (this._coreBrowserService.isFocused) {
+          if (cursorBlink) {
+            classes.push(RowCss.CURSOR_BLINK_CLASS);
+          }
+          classes.push(
+            cursorStyle === 'bar'
+              ? RowCss.CURSOR_STYLE_BAR_CLASS
+              : cursorStyle === 'underline'
+                ? RowCss.CURSOR_STYLE_UNDERLINE_CLASS
+                : RowCss.CURSOR_STYLE_BLOCK_CLASS
+          );
+        } else {
+          if (cursorInactiveStyle) {
+            switch (cursorInactiveStyle) {
+              case 'outline':
+                classes.push(RowCss.CURSOR_STYLE_OUTLINE_CLASS);
+                break;
+              case 'block':
+                classes.push(RowCss.CURSOR_STYLE_BLOCK_CLASS);
+                break;
+              case 'bar':
+                classes.push(RowCss.CURSOR_STYLE_BAR_CLASS);
+                break;
+              case 'underline':
+                classes.push(RowCss.CURSOR_STYLE_UNDERLINE_CLASS);
+                break;
+              default:
+                break;
+            }
+          }
+        }
+      }
+
+      if (cell.isBold()) {
+        classes.push(RowCss.BOLD_CLASS);
+      }
+
+      if (cell.isItalic()) {
+        classes.push(RowCss.ITALIC_CLASS);
+      }
+
+      if (cell.isDim()) {
+        classes.push(RowCss.DIM_CLASS);
+      }
+
+      if (cell.isInvisible()) {
+        text = WHITESPACE_CELL_CHAR;
+      } else {
+        text = cell.getChars() || WHITESPACE_CELL_CHAR;
+      }
+
+      if (cell.isUnderline()) {
+        classes.push(`${RowCss.UNDERLINE_CLASS}-${cell.extended.underlineStyle}`);
+        if (text === ' ') {
+          text = '\xa0'; // = &nbsp;
+        }
+        if (!cell.isUnderlineColorDefault()) {
+          if (cell.isUnderlineColorRGB()) {
+            charElement.style.textDecorationColor = `rgb(${AttributeData.toColorRGB(cell.getUnderlineColor()).join(',')})`;
+          } else {
+            let fg = cell.getUnderlineColor();
+            if (this._optionsService.rawOptions.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {
+              fg += 8;
+            }
+            charElement.style.textDecorationColor = colors.ansi[fg].css;
+          }
+        }
+      }
+
+      if (cell.isOverline()) {
+        classes.push(RowCss.OVERLINE_CLASS);
+        if (text === ' ') {
+          text = '\xa0'; // = &nbsp;
+        }
+      }
+
+      if (cell.isStrikethrough()) {
+        classes.push(RowCss.STRIKETHROUGH_CLASS);
+      }
+
+      // apply link hover underline late, effectively overrides any previous text-decoration
+      // settings
+      if (isLinkHover) {
+        charElement.style.textDecoration = 'underline';
+      }
+
+      let fg = cell.getFgColor();
+      let fgColorMode = cell.getFgColorMode();
+      let bg = cell.getBgColor();
+      let bgColorMode = cell.getBgColorMode();
+      const isInverse = !!cell.isInverse();
+      if (isInverse) {
+        const temp = fg;
+        fg = bg;
+        bg = temp;
+        const temp2 = fgColorMode;
+        fgColorMode = bgColorMode;
+        bgColorMode = temp2;
+      }
+
+      // Apply any decoration foreground/background overrides, this must happen after inverse has
+      // been applied
+      let bgOverride: IColor | undefined;
+      let fgOverride: IColor | undefined;
+      let isTop = false;
+      this._decorationService.forEachDecorationAtCell(x, row, undefined, d => {
+        if (d.options.layer !== 'top' && isTop) {
+          return;
+        }
+        if (d.backgroundColorRGB) {
+          bgColorMode = Attributes.CM_RGB;
+          bg = d.backgroundColorRGB.rgba >> 8 & 0xFFFFFF;
+          bgOverride = d.backgroundColorRGB;
+        }
+        if (d.foregroundColorRGB) {
+          fgColorMode = Attributes.CM_RGB;
+          fg = d.foregroundColorRGB.rgba >> 8 & 0xFFFFFF;
+          fgOverride = d.foregroundColorRGB;
+        }
+        isTop = d.options.layer === 'top';
+      });
+
+      // Apply selection
+      if (!isTop && isInSelection) {
+        // If in the selection, force the element to be above the selection to improve contrast and
+        // support opaque selections. The applies background is not actually needed here as
+        // selection is drawn in a seperate container, the main purpose of this to ensuring minimum
+        // contrast ratio
+        bgOverride = this._coreBrowserService.isFocused ? colors.selectionBackgroundOpaque : colors.selectionInactiveBackgroundOpaque;
+        bg = bgOverride.rgba >> 8 & 0xFFFFFF;
+        bgColorMode = Attributes.CM_RGB;
+        // Since an opaque selection is being rendered, the selection pretends to be a decoration to
+        // ensure text is drawn above the selection.
+        isTop = true;
+        // Apply selection foreground if applicable
+        if (colors.selectionForeground) {
+          fgColorMode = Attributes.CM_RGB;
+          fg = colors.selectionForeground.rgba >> 8 & 0xFFFFFF;
+          fgOverride = colors.selectionForeground;
+        }
+      }
+
+      // If it's a top decoration, render above the selection
+      if (isTop) {
+        classes.push('xterm-decoration-top');
+      }
+
+      // Background
+      let resolvedBg: IColor;
+      switch (bgColorMode) {
+        case Attributes.CM_P16:
+        case Attributes.CM_P256:
+          resolvedBg = colors.ansi[bg];
+          classes.push(`xterm-bg-${bg}`);
+          break;
+        case Attributes.CM_RGB:
+          resolvedBg = rgba.toColor(bg >> 16, bg >> 8 & 0xFF, bg & 0xFF);
+          this._addStyle(charElement, `background-color:#${padStart((bg >>> 0).toString(16), '0', 6)}`);
+          break;
+        case Attributes.CM_DEFAULT:
+        default:
+          if (isInverse) {
+            resolvedBg = colors.foreground;
+            classes.push(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);
+          } else {
+            resolvedBg = colors.background;
+          }
+      }
+
+      // If there is no background override by now it's the original color, so apply dim if needed
+      if (!bgOverride) {
+        if (cell.isDim()) {
+          bgOverride = color.multiplyOpacity(resolvedBg, 0.5);
+        }
+      }
+
+      // Foreground
+      switch (fgColorMode) {
+        case Attributes.CM_P16:
+        case Attributes.CM_P256:
+          if (cell.isBold() && fg < 8 && this._optionsService.rawOptions.drawBoldTextInBrightColors) {
+            fg += 8;
+          }
+          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.ansi[fg], cell, bgOverride, undefined)) {
+            classes.push(`xterm-fg-${fg}`);
+          }
+          break;
+        case Attributes.CM_RGB:
+          const color = rgba.toColor(
+            (fg >> 16) & 0xFF,
+            (fg >>  8) & 0xFF,
+            (fg      ) & 0xFF
+          );
+          if (!this._applyMinimumContrast(charElement, resolvedBg, color, cell, bgOverride, fgOverride)) {
+            this._addStyle(charElement, `color:#${padStart(fg.toString(16), '0', 6)}`);
+          }
+          break;
+        case Attributes.CM_DEFAULT:
+        default:
+          if (!this._applyMinimumContrast(charElement, resolvedBg, colors.foreground, cell, bgOverride, undefined)) {
+            if (isInverse) {
+              classes.push(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);
+            }
+          }
+      }
+
+      // apply CSS classes
+      // slightly faster than using classList by omitting
+      // checks for doubled entries (code above should not have doublets)
+      if (classes.length) {
+        charElement.className = classes.join(' ');
+        classes.length = 0;
+      }
+
+      // exclude conditions for cell merging - never merge these
+      if (!isCursorCell && !isJoined && !isDecorated) {
+        cellAmount++;
+      } else {
+        charElement.textContent = text;
+      }
+      // apply letter-spacing rule
+      if (spacing !== this.defaultSpacing) {
+        charElement.style.letterSpacing = `${spacing}px`;
+      }
+
+      elements.push(charElement);
+      x = lastCharX;
+    }
+
+    // postfix text of last merged span
+    if (charElement && cellAmount) {
+      charElement.textContent = text;
+    }
+
+    return elements;
+  }
+
+  private _applyMinimumContrast(element: HTMLElement, bg: IColor, fg: IColor, cell: ICellData, bgOverride: IColor | undefined, fgOverride: IColor | undefined): boolean {
+    if (this._optionsService.rawOptions.minimumContrastRatio === 1 || excludeFromContrastRatioDemands(cell.getCode())) {
+      return false;
+    }
+
+    // Try get from cache first, only use the cache when there are no decoration overrides
+    const cache = this._getContrastCache(cell);
+    let adjustedColor: IColor | undefined | null = undefined;
+    if (!bgOverride && !fgOverride) {
+      adjustedColor = cache.getColor(bg.rgba, fg.rgba);
+    }
+
+    // Calculate and store in cache
+    if (adjustedColor === undefined) {
+      // Dim cells only require half the contrast, otherwise they wouldn't be distinguishable from
+      // non-dim cells
+      const ratio = this._optionsService.rawOptions.minimumContrastRatio / (cell.isDim() ? 2 : 1);
+      adjustedColor = color.ensureContrastRatio(bgOverride || bg, fgOverride || fg, ratio);
+      cache.setColor((bgOverride || bg).rgba, (fgOverride || fg).rgba, adjustedColor ?? null);
+    }
+
+    if (adjustedColor) {
+      this._addStyle(element, `color:${adjustedColor.css}`);
+      return true;
+    }
+
+    return false;
+  }
+
+  private _getContrastCache(cell: ICellData): IColorContrastCache {
+    if (cell.isDim()) {
+      return this._themeService.colors.halfContrastCache;
+    }
+    return this._themeService.colors.contrastCache;
+  }
+
+  private _addStyle(element: HTMLElement, style: string): void {
+    element.setAttribute('style', `${element.getAttribute('style') || ''}${style};`);
+  }
+
+  private _isCellInSelection(x: number, y: number): boolean {
+    const start = this._selectionStart;
+    const end = this._selectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    if (this._columnSelectMode) {
+      if (start[0] <= end[0]) {
+        return x >= start[0] && y >= start[1] &&
+          x < end[0] && y <= end[1];
+      }
+      return x < start[0] && y >= start[1] &&
+        x >= end[0] && y <= end[1];
+    }
+    return (y > start[1] && y < end[1]) ||
+        (start[1] === end[1] && y === start[1] && x >= start[0] && x < end[0]) ||
+        (start[1] < end[1] && y === end[1] && x < end[0]) ||
+        (start[1] < end[1] && y === start[1] && x >= start[0]);
+  }
+}
+
+function padStart(text: string, padChar: string, length: number): string {
+  while (text.length < length) {
+    text = padChar + text;
+  }
+  return text;
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/dom/WidthCache.ts b/web/public/node_modules/xterm/src/browser/renderer/dom/WidthCache.ts
new file mode 100644
index 000000000..01b3f6583
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/dom/WidthCache.ts
@@ -0,0 +1,157 @@
+/**
+ * Copyright (c) 2023 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { FontWeight } from 'common/services/Services';
+
+
+export const enum WidthCacheSettings {
+  /** sentinel for unset values in flat cache */
+  FLAT_UNSET = -9999,
+  /** size of flat cache, size-1 equals highest codepoint handled by flat */
+  FLAT_SIZE = 256,
+  /** char repeat for measuring */
+  REPEAT = 32
+}
+
+
+const enum FontVariant {
+  REGULAR = 0,
+  BOLD = 1,
+  ITALIC = 2,
+  BOLD_ITALIC = 3
+}
+
+
+export class WidthCache implements IDisposable {
+  // flat cache for regular variant up to CacheSettings.FLAT_SIZE
+  // NOTE: ~4x faster access than holey (serving >>80% of terminal content)
+  //       It has a small memory footprint (only 1MB for full BMP caching),
+  //       still the sweet spot is not reached before touching 32k different codepoints,
+  //       thus we store the remaining <<20% of terminal data in a holey structure.
+  protected _flat = new Float32Array(WidthCacheSettings.FLAT_SIZE);
+
+  // holey cache for bold, italic and bold&italic for any string
+  // FIXME: can grow really big over time (~8.5 MB for full BMP caching),
+  //        so a shared API across terminals is needed
+  protected _holey: Map<string, number> | undefined;
+
+  private _font = '';
+  private _fontSize = 0;
+  private _weight: FontWeight = 'normal';
+  private _weightBold: FontWeight = 'bold';
+  private _container: HTMLDivElement;
+  private _measureElements: HTMLSpanElement[] = [];
+
+  constructor(_document: Document) {
+    this._container = _document.createElement('div');
+    this._container.style.position = 'absolute';
+    this._container.style.top = '-50000px';
+    this._container.style.width = '50000px';
+    // SP should stack in spans
+    this._container.style.whiteSpace = 'pre';
+    // avoid undercuts in non-monospace fonts from kerning
+    this._container.style.fontKerning = 'none';
+
+    const regular = _document.createElement('span');
+
+    const bold = _document.createElement('span');
+    bold.style.fontWeight = 'bold';
+
+    const italic = _document.createElement('span');
+    italic.style.fontStyle = 'italic';
+
+    const boldItalic = _document.createElement('span');
+    boldItalic.style.fontWeight = 'bold';
+    boldItalic.style.fontStyle = 'italic';
+
+    // NOTE: must be in order of FontVariant
+    this._measureElements = [regular, bold, italic, boldItalic];
+    this._container.appendChild(regular);
+    this._container.appendChild(bold);
+    this._container.appendChild(italic);
+    this._container.appendChild(boldItalic);
+
+    _document.body.appendChild(this._container);
+
+    this.clear();
+  }
+
+  public dispose(): void {
+    this._container.remove();           // remove elements from DOM
+    this._measureElements.length = 0;   // release element refs
+    this._holey = undefined;            // free cache memory via GC
+  }
+
+  /**
+   * Clear the width cache.
+   */
+  public clear(): void {
+    this._flat.fill(WidthCacheSettings.FLAT_UNSET);
+    // .clear() has some overhead, re-assign instead (>3 times faster)
+    this._holey = new Map<string, number>();
+  }
+
+  /**
+   * Set the font for measuring.
+   * Must be called for any changes on font settings.
+   * Also clears the cache.
+   */
+  public setFont(font: string, fontSize: number, weight: FontWeight, weightBold: FontWeight): void {
+    // skip if nothing changed
+    if (font === this._font
+      && fontSize === this._fontSize
+      && weight === this._weight
+      && weightBold === this._weightBold
+    ) {
+      return;
+    }
+
+    this._font = font;
+    this._fontSize = fontSize;
+    this._weight = weight;
+    this._weightBold = weightBold;
+
+    this._container.style.fontFamily = this._font;
+    this._container.style.fontSize = `${this._fontSize}px`;
+    this._measureElements[FontVariant.REGULAR].style.fontWeight = `${weight}`;
+    this._measureElements[FontVariant.BOLD].style.fontWeight = `${weightBold}`;
+    this._measureElements[FontVariant.ITALIC].style.fontWeight = `${weight}`;
+    this._measureElements[FontVariant.BOLD_ITALIC].style.fontWeight = `${weightBold}`;
+
+    this.clear();
+  }
+
+  /**
+   * Get the render width for cell content `c` with current font settings.
+   * `variant` denotes the font variant to be used.
+   */
+  public get(c: string, bold: boolean | number, italic: boolean | number): number {
+    let cp = 0;
+    if (!bold && !italic && c.length === 1 && (cp = c.charCodeAt(0)) < WidthCacheSettings.FLAT_SIZE) {
+      return this._flat[cp] !== WidthCacheSettings.FLAT_UNSET
+        ? this._flat[cp]
+        : (this._flat[cp] = this._measure(c, 0));
+    }
+    let key = c;
+    if (bold) key += 'B';
+    if (italic) key += 'I';
+    let width = this._holey!.get(key);
+    if (width === undefined) {
+      let variant = 0;
+      if (bold) variant |= FontVariant.BOLD;
+      if (italic) variant |= FontVariant.ITALIC;
+      width = this._measure(c, variant);
+      this._holey!.set(key, width);
+    }
+    return width;
+  }
+
+  protected _measure(c: string, variant: FontVariant): number {
+    const el = this._measureElements[variant];
+    el.textContent = c.repeat(WidthCacheSettings.REPEAT);
+    return el.offsetWidth / WidthCacheSettings.REPEAT;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/CellColorResolver.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/CellColorResolver.ts
new file mode 100644
index 000000000..66e6a344e
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/CellColorResolver.ts
@@ -0,0 +1,137 @@
+import { ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { ReadonlyColorSet } from 'browser/Types';
+import { Attributes, BgFlags, FgFlags } from 'common/buffer/Constants';
+import { IDecorationService } from 'common/services/Services';
+import { ICellData } from 'common/Types';
+import { Terminal } from 'xterm';
+
+// Work variables to avoid garbage collection
+let $fg = 0;
+let $bg = 0;
+let $hasFg = false;
+let $hasBg = false;
+let $isSelected = false;
+let $colors: ReadonlyColorSet | undefined;
+
+export class CellColorResolver {
+  /**
+   * The shared result of the {@link resolve} call. This is only safe to use immediately after as
+   * any other calls will share object.
+   */
+  public readonly result: { fg: number, bg: number, ext: number } = {
+    fg: 0,
+    bg: 0,
+    ext: 0
+  };
+
+  constructor(
+    private readonly _terminal: Terminal,
+    private readonly _selectionRenderModel: ISelectionRenderModel,
+    private readonly _decorationService: IDecorationService,
+    private readonly _coreBrowserService: ICoreBrowserService,
+    private readonly _themeService: IThemeService
+  ) {
+  }
+
+  /**
+   * Resolves colors for the cell, putting the result into the shared {@link result}. This resolves
+   * overrides, inverse and selection for the cell which can then be used to feed into the renderer.
+   */
+  public resolve(cell: ICellData, x: number, y: number): void {
+    this.result.bg = cell.bg;
+    this.result.fg = cell.fg;
+    this.result.ext = cell.bg & BgFlags.HAS_EXTENDED ? cell.extended.ext : 0;
+    // Get any foreground/background overrides, this happens on the model to avoid spreading
+    // override logic throughout the different sub-renderers
+
+    // Reset overrides work variables
+    $bg = 0;
+    $fg = 0;
+    $hasBg = false;
+    $hasFg = false;
+    $isSelected = false;
+    $colors = this._themeService.colors;
+
+    // Apply decorations on the bottom layer
+    this._decorationService.forEachDecorationAtCell(x, y, 'bottom', d => {
+      if (d.backgroundColorRGB) {
+        $bg = d.backgroundColorRGB.rgba >> 8 & 0xFFFFFF;
+        $hasBg = true;
+      }
+      if (d.foregroundColorRGB) {
+        $fg = d.foregroundColorRGB.rgba >> 8 & 0xFFFFFF;
+        $hasFg = true;
+      }
+    });
+
+    // Apply the selection color if needed
+    $isSelected = this._selectionRenderModel.isCellSelected(this._terminal, x, y);
+    if ($isSelected) {
+      $bg = (this._coreBrowserService.isFocused ? $colors.selectionBackgroundOpaque : $colors.selectionInactiveBackgroundOpaque).rgba >> 8 & 0xFFFFFF;
+      $hasBg = true;
+      if ($colors.selectionForeground) {
+        $fg = $colors.selectionForeground.rgba >> 8 & 0xFFFFFF;
+        $hasFg = true;
+      }
+    }
+
+    // Apply decorations on the top layer
+    this._decorationService.forEachDecorationAtCell(x, y, 'top', d => {
+      if (d.backgroundColorRGB) {
+        $bg = d.backgroundColorRGB.rgba >> 8 & 0xFFFFFF;
+        $hasBg = true;
+      }
+      if (d.foregroundColorRGB) {
+        $fg = d.foregroundColorRGB.rgba >> 8 & 0xFFFFFF;
+        $hasFg = true;
+      }
+    });
+
+    // Convert any overrides from rgba to the fg/bg packed format. This resolves the inverse flag
+    // ahead of time in order to use the correct cache key
+    if ($hasBg) {
+      if ($isSelected) {
+        // Non-RGB attributes from model + force non-dim + override + force RGB color mode
+        $bg = (cell.bg & ~Attributes.RGB_MASK & ~BgFlags.DIM) | $bg | Attributes.CM_RGB;
+      } else {
+        // Non-RGB attributes from model + override + force RGB color mode
+        $bg = (cell.bg & ~Attributes.RGB_MASK) | $bg | Attributes.CM_RGB;
+      }
+    }
+    if ($hasFg) {
+      // Non-RGB attributes from model + force disable inverse + override + force RGB color mode
+      $fg = (cell.fg & ~Attributes.RGB_MASK & ~FgFlags.INVERSE) | $fg | Attributes.CM_RGB;
+    }
+
+    // Handle case where inverse was specified by only one of bg override or fg override was set,
+    // resolving the other inverse color and setting the inverse flag if needed.
+    if (this.result.fg & FgFlags.INVERSE) {
+      if ($hasBg && !$hasFg) {
+        // Resolve bg color type (default color has a different meaning in fg vs bg)
+        if ((this.result.bg & Attributes.CM_MASK) === Attributes.CM_DEFAULT) {
+          $fg = (this.result.fg & ~(Attributes.RGB_MASK | FgFlags.INVERSE | Attributes.CM_MASK)) | (($colors.background.rgba >> 8 & 0xFFFFFF) & Attributes.RGB_MASK) | Attributes.CM_RGB;
+        } else {
+          $fg = (this.result.fg & ~(Attributes.RGB_MASK | FgFlags.INVERSE | Attributes.CM_MASK)) | this.result.bg & (Attributes.RGB_MASK | Attributes.CM_MASK);
+        }
+        $hasFg = true;
+      }
+      if (!$hasBg && $hasFg) {
+        // Resolve bg color type (default color has a different meaning in fg vs bg)
+        if ((this.result.fg & Attributes.CM_MASK) === Attributes.CM_DEFAULT) {
+          $bg = (this.result.bg & ~(Attributes.RGB_MASK | Attributes.CM_MASK)) | (($colors.foreground.rgba >> 8 & 0xFFFFFF) & Attributes.RGB_MASK) | Attributes.CM_RGB;
+        } else {
+          $bg = (this.result.bg & ~(Attributes.RGB_MASK | Attributes.CM_MASK)) | this.result.fg & (Attributes.RGB_MASK | Attributes.CM_MASK);
+        }
+        $hasBg = true;
+      }
+    }
+
+    // Release object
+    $colors = undefined;
+
+    // Use the override if it exists
+    this.result.bg = $hasBg ? $bg : this.result.bg;
+    this.result.fg = $hasFg ? $fg : this.result.fg;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/CharAtlasCache.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/CharAtlasCache.ts
new file mode 100644
index 000000000..673439129
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/CharAtlasCache.ts
@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { TextureAtlas } from 'browser/renderer/shared/TextureAtlas';
+import { ITerminalOptions, Terminal } from 'xterm';
+import { ITerminal, ReadonlyColorSet } from 'browser/Types';
+import { ICharAtlasConfig, ITextureAtlas } from 'browser/renderer/shared/Types';
+import { generateConfig, configEquals } from 'browser/renderer/shared/CharAtlasUtils';
+
+interface ITextureAtlasCacheEntry {
+  atlas: ITextureAtlas;
+  config: ICharAtlasConfig;
+  // N.B. This implementation potentially holds onto copies of the terminal forever, so
+  // this may cause memory leaks.
+  ownedBy: Terminal[];
+}
+
+const charAtlasCache: ITextureAtlasCacheEntry[] = [];
+
+/**
+ * Acquires a char atlas, either generating a new one or returning an existing
+ * one that is in use by another terminal.
+ */
+export function acquireTextureAtlas(
+  terminal: Terminal,
+  options: Required<ITerminalOptions>,
+  colors: ReadonlyColorSet,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  deviceCharWidth: number,
+  deviceCharHeight: number,
+  devicePixelRatio: number
+): ITextureAtlas {
+  const newConfig = generateConfig(deviceCellWidth, deviceCellHeight, deviceCharWidth, deviceCharHeight, options, colors, devicePixelRatio);
+
+  // Check to see if the terminal already owns this config
+  for (let i = 0; i < charAtlasCache.length; i++) {
+    const entry = charAtlasCache[i];
+    const ownedByIndex = entry.ownedBy.indexOf(terminal);
+    if (ownedByIndex >= 0) {
+      if (configEquals(entry.config, newConfig)) {
+        return entry.atlas;
+      }
+      // The configs differ, release the terminal from the entry
+      if (entry.ownedBy.length === 1) {
+        entry.atlas.dispose();
+        charAtlasCache.splice(i, 1);
+      } else {
+        entry.ownedBy.splice(ownedByIndex, 1);
+      }
+      break;
+    }
+  }
+
+  // Try match a char atlas from the cache
+  for (let i = 0; i < charAtlasCache.length; i++) {
+    const entry = charAtlasCache[i];
+    if (configEquals(entry.config, newConfig)) {
+      // Add the terminal to the cache entry and return
+      entry.ownedBy.push(terminal);
+      return entry.atlas;
+    }
+  }
+
+  const core: ITerminal = (terminal as any)._core;
+  const newEntry: ITextureAtlasCacheEntry = {
+    atlas: new TextureAtlas(document, newConfig, core.unicodeService),
+    config: newConfig,
+    ownedBy: [terminal]
+  };
+  charAtlasCache.push(newEntry);
+  return newEntry.atlas;
+}
+
+/**
+ * Removes a terminal reference from the cache, allowing its memory to be freed.
+ * @param terminal The terminal to remove.
+ */
+export function removeTerminalFromCache(terminal: Terminal): void {
+  for (let i = 0; i < charAtlasCache.length; i++) {
+    const index = charAtlasCache[i].ownedBy.indexOf(terminal);
+    if (index !== -1) {
+      if (charAtlasCache[i].ownedBy.length === 1) {
+        // Remove the cache entry if it's the only terminal
+        charAtlasCache[i].atlas.dispose();
+        charAtlasCache.splice(i, 1);
+      } else {
+        // Remove the reference from the cache entry
+        charAtlasCache[i].ownedBy.splice(index, 1);
+      }
+      break;
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/CharAtlasUtils.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/CharAtlasUtils.ts
new file mode 100644
index 000000000..955bd4e6e
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/CharAtlasUtils.ts
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharAtlasConfig } from './Types';
+import { Attributes } from 'common/buffer/Constants';
+import { ITerminalOptions } from 'xterm';
+import { IColorSet, ReadonlyColorSet } from 'browser/Types';
+import { NULL_COLOR } from 'common/Color';
+
+export function generateConfig(deviceCellWidth: number, deviceCellHeight: number, deviceCharWidth: number, deviceCharHeight: number, options: Required<ITerminalOptions>, colors: ReadonlyColorSet, devicePixelRatio: number): ICharAtlasConfig {
+  // null out some fields that don't matter
+  const clonedColors: IColorSet = {
+    foreground: colors.foreground,
+    background: colors.background,
+    cursor: NULL_COLOR,
+    cursorAccent: NULL_COLOR,
+    selectionForeground: NULL_COLOR,
+    selectionBackgroundTransparent: NULL_COLOR,
+    selectionBackgroundOpaque: NULL_COLOR,
+    selectionInactiveBackgroundTransparent: NULL_COLOR,
+    selectionInactiveBackgroundOpaque: NULL_COLOR,
+    // For the static char atlas, we only use the first 16 colors, but we need all 256 for the
+    // dynamic character atlas.
+    ansi: colors.ansi.slice(),
+    contrastCache: colors.contrastCache,
+    halfContrastCache: colors.halfContrastCache
+  };
+  return {
+    customGlyphs: options.customGlyphs,
+    devicePixelRatio,
+    letterSpacing: options.letterSpacing,
+    lineHeight: options.lineHeight,
+    deviceCellWidth: deviceCellWidth,
+    deviceCellHeight: deviceCellHeight,
+    deviceCharWidth: deviceCharWidth,
+    deviceCharHeight: deviceCharHeight,
+    fontFamily: options.fontFamily,
+    fontSize: options.fontSize,
+    fontWeight: options.fontWeight,
+    fontWeightBold: options.fontWeightBold,
+    allowTransparency: options.allowTransparency,
+    drawBoldTextInBrightColors: options.drawBoldTextInBrightColors,
+    minimumContrastRatio: options.minimumContrastRatio,
+    colors: clonedColors
+  };
+}
+
+export function configEquals(a: ICharAtlasConfig, b: ICharAtlasConfig): boolean {
+  for (let i = 0; i < a.colors.ansi.length; i++) {
+    if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {
+      return false;
+    }
+  }
+  return a.devicePixelRatio === b.devicePixelRatio &&
+      a.customGlyphs === b.customGlyphs &&
+      a.lineHeight === b.lineHeight &&
+      a.letterSpacing === b.letterSpacing &&
+      a.fontFamily === b.fontFamily &&
+      a.fontSize === b.fontSize &&
+      a.fontWeight === b.fontWeight &&
+      a.fontWeightBold === b.fontWeightBold &&
+      a.allowTransparency === b.allowTransparency &&
+      a.deviceCharWidth === b.deviceCharWidth &&
+      a.deviceCharHeight === b.deviceCharHeight &&
+      a.drawBoldTextInBrightColors === b.drawBoldTextInBrightColors &&
+      a.minimumContrastRatio === b.minimumContrastRatio &&
+      a.colors.foreground.rgba === b.colors.foreground.rgba &&
+      a.colors.background.rgba === b.colors.background.rgba;
+}
+
+export function is256Color(colorCode: number): boolean {
+  return (colorCode & Attributes.CM_MASK) === Attributes.CM_P16 || (colorCode & Attributes.CM_MASK) === Attributes.CM_P256;
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/Constants.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/Constants.ts
new file mode 100644
index 000000000..b5105ec78
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/Constants.ts
@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { isFirefox, isLegacyEdge } from 'common/Platform';
+
+export const INVERTED_DEFAULT_COLOR = 257;
+
+export const DIM_OPACITY = 0.5;
+// The text baseline is set conditionally by browser. Using 'ideographic' for Firefox or Legacy Edge
+// would result in truncated text (Issue 3353). Using 'bottom' for Chrome would result in slightly
+// unaligned Powerline fonts (PR 3356#issuecomment-850928179).
+export const TEXT_BASELINE: CanvasTextBaseline = isFirefox || isLegacyEdge ? 'bottom' : 'ideographic';
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/CursorBlinkStateManager.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/CursorBlinkStateManager.ts
new file mode 100644
index 000000000..c5bb0870e
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/CursorBlinkStateManager.ts
@@ -0,0 +1,146 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICoreBrowserService } from 'browser/services/Services';
+
+/**
+ * The time between cursor blinks.
+ */
+const BLINK_INTERVAL = 600;
+
+export class CursorBlinkStateManager {
+  public isCursorVisible: boolean;
+
+  private _animationFrame: number | undefined;
+  private _blinkStartTimeout: number | undefined;
+  private _blinkInterval: number | undefined;
+
+  /**
+   * The time at which the animation frame was restarted, this is used on the
+   * next render to restart the timers so they don't need to restart the timers
+   * multiple times over a short period.
+   */
+  private _animationTimeRestarted: number | undefined;
+
+  constructor(
+    private _renderCallback: () => void,
+    private _coreBrowserService: ICoreBrowserService
+  ) {
+    this.isCursorVisible = true;
+    if (this._coreBrowserService.isFocused) {
+      this._restartInterval();
+    }
+  }
+
+  public get isPaused(): boolean { return !(this._blinkStartTimeout || this._blinkInterval); }
+
+  public dispose(): void {
+    if (this._blinkInterval) {
+      this._coreBrowserService.window.clearInterval(this._blinkInterval);
+      this._blinkInterval = undefined;
+    }
+    if (this._blinkStartTimeout) {
+      this._coreBrowserService.window.clearTimeout(this._blinkStartTimeout);
+      this._blinkStartTimeout = undefined;
+    }
+    if (this._animationFrame) {
+      this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame);
+      this._animationFrame = undefined;
+    }
+  }
+
+  public restartBlinkAnimation(): void {
+    if (this.isPaused) {
+      return;
+    }
+    // Save a timestamp so that the restart can be done on the next interval
+    this._animationTimeRestarted = Date.now();
+    // Force a cursor render to ensure it's visible and in the correct position
+    this.isCursorVisible = true;
+    if (!this._animationFrame) {
+      this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+        this._renderCallback();
+        this._animationFrame = undefined;
+      });
+    }
+  }
+
+  private _restartInterval(timeToStart: number = BLINK_INTERVAL): void {
+    // Clear any existing interval
+    if (this._blinkInterval) {
+      this._coreBrowserService.window.clearInterval(this._blinkInterval);
+      this._blinkInterval = undefined;
+    }
+
+    // Setup the initial timeout which will hide the cursor, this is done before
+    // the regular interval is setup in order to support restarting the blink
+    // animation in a lightweight way (without thrashing clearInterval and
+    // setInterval).
+    this._blinkStartTimeout = this._coreBrowserService.window.setTimeout(() => {
+      // Check if another animation restart was requested while this was being
+      // started
+      if (this._animationTimeRestarted) {
+        const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);
+        this._animationTimeRestarted = undefined;
+        if (time > 0) {
+          this._restartInterval(time);
+          return;
+        }
+      }
+
+      // Hide the cursor
+      this.isCursorVisible = false;
+      this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+        this._renderCallback();
+        this._animationFrame = undefined;
+      });
+
+      // Setup the blink interval
+      this._blinkInterval = this._coreBrowserService.window.setInterval(() => {
+        // Adjust the animation time if it was restarted
+        if (this._animationTimeRestarted) {
+          // calc time diff
+          // Make restart interval do a setTimeout initially?
+          const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);
+          this._animationTimeRestarted = undefined;
+          this._restartInterval(time);
+          return;
+        }
+
+        // Invert visibility and render
+        this.isCursorVisible = !this.isCursorVisible;
+        this._animationFrame = this._coreBrowserService.window.requestAnimationFrame(() => {
+          this._renderCallback();
+          this._animationFrame = undefined;
+        });
+      }, BLINK_INTERVAL);
+    }, timeToStart);
+  }
+
+  public pause(): void {
+    this.isCursorVisible = true;
+    if (this._blinkInterval) {
+      this._coreBrowserService.window.clearInterval(this._blinkInterval);
+      this._blinkInterval = undefined;
+    }
+    if (this._blinkStartTimeout) {
+      this._coreBrowserService.window.clearTimeout(this._blinkStartTimeout);
+      this._blinkStartTimeout = undefined;
+    }
+    if (this._animationFrame) {
+      this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame);
+      this._animationFrame = undefined;
+    }
+  }
+
+  public resume(): void {
+    // Clear out any existing timers just in case
+    this.pause();
+
+    this._animationTimeRestarted = undefined;
+    this._restartInterval();
+    this.restartBlinkAnimation();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/CustomGlyphs.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/CustomGlyphs.ts
new file mode 100644
index 000000000..c08bc4b16
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/CustomGlyphs.ts
@@ -0,0 +1,687 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
+
+interface IBlockVector {
+  x: number;
+  y: number;
+  w: number;
+  h: number;
+}
+
+export const blockElementDefinitions: { [index: string]: IBlockVector[] | undefined } = {
+  // Block elements (0x2580-0x2590)
+  '▀': [{ x: 0, y: 0, w: 8, h: 4 }], // UPPER HALF BLOCK
+  '▁': [{ x: 0, y: 7, w: 8, h: 1 }], // LOWER ONE EIGHTH BLOCK
+  '▂': [{ x: 0, y: 6, w: 8, h: 2 }], // LOWER ONE QUARTER BLOCK
+  '▃': [{ x: 0, y: 5, w: 8, h: 3 }], // LOWER THREE EIGHTHS BLOCK
+  '▄': [{ x: 0, y: 4, w: 8, h: 4 }], // LOWER HALF BLOCK
+  '▅': [{ x: 0, y: 3, w: 8, h: 5 }], // LOWER FIVE EIGHTHS BLOCK
+  '▆': [{ x: 0, y: 2, w: 8, h: 6 }], // LOWER THREE QUARTERS BLOCK
+  '▇': [{ x: 0, y: 1, w: 8, h: 7 }], // LOWER SEVEN EIGHTHS BLOCK
+  '█': [{ x: 0, y: 0, w: 8, h: 8 }], // FULL BLOCK
+  '▉': [{ x: 0, y: 0, w: 7, h: 8 }], // LEFT SEVEN EIGHTHS BLOCK
+  '▊': [{ x: 0, y: 0, w: 6, h: 8 }], // LEFT THREE QUARTERS BLOCK
+  '▋': [{ x: 0, y: 0, w: 5, h: 8 }], // LEFT FIVE EIGHTHS BLOCK
+  '▌': [{ x: 0, y: 0, w: 4, h: 8 }], // LEFT HALF BLOCK
+  '▍': [{ x: 0, y: 0, w: 3, h: 8 }], // LEFT THREE EIGHTHS BLOCK
+  '▎': [{ x: 0, y: 0, w: 2, h: 8 }], // LEFT ONE QUARTER BLOCK
+  '▏': [{ x: 0, y: 0, w: 1, h: 8 }], // LEFT ONE EIGHTH BLOCK
+  '▐': [{ x: 4, y: 0, w: 4, h: 8 }], // RIGHT HALF BLOCK
+
+  // Block elements (0x2594-0x2595)
+  '▔': [{ x: 0, y: 0, w: 8, h: 1 }], // UPPER ONE EIGHTH BLOCK
+  '▕': [{ x: 7, y: 0, w: 1, h: 8 }], // RIGHT ONE EIGHTH BLOCK
+
+  // Terminal graphic characters (0x2596-0x259F)
+  '▖': [{ x: 0, y: 4, w: 4, h: 4 }],                             // QUADRANT LOWER LEFT
+  '▗': [{ x: 4, y: 4, w: 4, h: 4 }],                             // QUADRANT LOWER RIGHT
+  '▘': [{ x: 0, y: 0, w: 4, h: 4 }],                             // QUADRANT UPPER LEFT
+  '▙': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
+  '▚': [{ x: 0, y: 0, w: 4, h: 4 }, { x: 4, y: 4, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND LOWER RIGHT
+  '▛': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 4, y: 0, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
+  '▜': [{ x: 0, y: 0, w: 8, h: 4 }, { x: 4, y: 0, w: 4, h: 8 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT
+  '▝': [{ x: 4, y: 0, w: 4, h: 4 }],                             // QUADRANT UPPER RIGHT
+  '▞': [{ x: 4, y: 0, w: 4, h: 4 }, { x: 0, y: 4, w: 4, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT
+  '▟': [{ x: 4, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT
+
+  // VERTICAL ONE EIGHTH BLOCK-2 through VERTICAL ONE EIGHTH BLOCK-7
+  '\u{1FB70}': [{ x: 1, y: 0, w: 1, h: 8 }],
+  '\u{1FB71}': [{ x: 2, y: 0, w: 1, h: 8 }],
+  '\u{1FB72}': [{ x: 3, y: 0, w: 1, h: 8 }],
+  '\u{1FB73}': [{ x: 4, y: 0, w: 1, h: 8 }],
+  '\u{1FB74}': [{ x: 5, y: 0, w: 1, h: 8 }],
+  '\u{1FB75}': [{ x: 6, y: 0, w: 1, h: 8 }],
+
+  // HORIZONTAL ONE EIGHTH BLOCK-2 through HORIZONTAL ONE EIGHTH BLOCK-7
+  '\u{1FB76}': [{ x: 0, y: 1, w: 8, h: 1 }],
+  '\u{1FB77}': [{ x: 0, y: 2, w: 8, h: 1 }],
+  '\u{1FB78}': [{ x: 0, y: 3, w: 8, h: 1 }],
+  '\u{1FB79}': [{ x: 0, y: 4, w: 8, h: 1 }],
+  '\u{1FB7A}': [{ x: 0, y: 5, w: 8, h: 1 }],
+  '\u{1FB7B}': [{ x: 0, y: 6, w: 8, h: 1 }],
+
+  // LEFT AND LOWER ONE EIGHTH BLOCK
+  '\u{1FB7C}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
+  // LEFT AND UPPER ONE EIGHTH BLOCK
+  '\u{1FB7D}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
+  // RIGHT AND UPPER ONE EIGHTH BLOCK
+  '\u{1FB7E}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
+  // RIGHT AND LOWER ONE EIGHTH BLOCK
+  '\u{1FB7F}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
+  // UPPER AND LOWER ONE EIGHTH BLOCK
+  '\u{1FB80}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
+  // HORIZONTAL ONE EIGHTH BLOCK-1358
+  '\u{1FB81}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 2, w: 8, h: 1 }, { x: 0, y: 4, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
+
+  // UPPER ONE QUARTER BLOCK
+  '\u{1FB82}': [{ x: 0, y: 0, w: 8, h: 2 }],
+  // UPPER THREE EIGHTHS BLOCK
+  '\u{1FB83}': [{ x: 0, y: 0, w: 8, h: 3 }],
+  // UPPER FIVE EIGHTHS BLOCK
+  '\u{1FB84}': [{ x: 0, y: 0, w: 8, h: 5 }],
+  // UPPER THREE QUARTERS BLOCK
+  '\u{1FB85}': [{ x: 0, y: 0, w: 8, h: 6 }],
+  // UPPER SEVEN EIGHTHS BLOCK
+  '\u{1FB86}': [{ x: 0, y: 0, w: 8, h: 7 }],
+
+  // RIGHT ONE QUARTER BLOCK
+  '\u{1FB87}': [{ x: 6, y: 0, w: 2, h: 8 }],
+  // RIGHT THREE EIGHTHS B0OCK
+  '\u{1FB88}': [{ x: 5, y: 0, w: 3, h: 8 }],
+  // RIGHT FIVE EIGHTHS BL0CK
+  '\u{1FB89}': [{ x: 3, y: 0, w: 5, h: 8 }],
+  // RIGHT THREE QUARTERS 0LOCK
+  '\u{1FB8A}': [{ x: 2, y: 0, w: 6, h: 8 }],
+  // RIGHT SEVEN EIGHTHS B0OCK
+  '\u{1FB8B}': [{ x: 1, y: 0, w: 7, h: 8 }],
+
+  // CHECKER BOARD FILL
+  '\u{1FB95}': [
+    { x: 0, y: 0, w: 2, h: 2 }, { x: 4, y: 0, w: 2, h: 2 },
+    { x: 2, y: 2, w: 2, h: 2 }, { x: 6, y: 2, w: 2, h: 2 },
+    { x: 0, y: 4, w: 2, h: 2 }, { x: 4, y: 4, w: 2, h: 2 },
+    { x: 2, y: 6, w: 2, h: 2 }, { x: 6, y: 6, w: 2, h: 2 }
+  ],
+  // INVERSE CHECKER BOARD FILL
+  '\u{1FB96}': [
+    { x: 2, y: 0, w: 2, h: 2 }, { x: 6, y: 0, w: 2, h: 2 },
+    { x: 0, y: 2, w: 2, h: 2 }, { x: 4, y: 2, w: 2, h: 2 },
+    { x: 2, y: 4, w: 2, h: 2 }, { x: 6, y: 4, w: 2, h: 2 },
+    { x: 0, y: 6, w: 2, h: 2 }, { x: 4, y: 6, w: 2, h: 2 }
+  ],
+  // HEAVY HORIZONTAL FILL (upper middle and lower one quarter block)
+  '\u{1FB97}': [{ x: 0, y: 2, w: 8, h: 2 }, { x: 0, y: 6, w: 8, h: 2 }]
+};
+
+type PatternDefinition = number[][];
+
+/**
+ * Defines the repeating pattern used by special characters, the pattern is made up of a 2d array of
+ * pixel values to be filled (1) or not filled (0).
+ */
+const patternCharacterDefinitions: { [key: string]: PatternDefinition | undefined } = {
+  // Shade characters (0x2591-0x2593)
+  '░': [ // LIGHT SHADE (25%)
+    [1, 0, 0, 0],
+    [0, 0, 0, 0],
+    [0, 0, 1, 0],
+    [0, 0, 0, 0]
+  ],
+  '▒': [ // MEDIUM SHADE (50%)
+    [1, 0],
+    [0, 0],
+    [0, 1],
+    [0, 0]
+  ],
+  '▓': [ // DARK SHADE (75%)
+    [0, 1],
+    [1, 1],
+    [1, 0],
+    [1, 1]
+  ]
+};
+
+const enum Shapes {
+  /** │ */ TOP_TO_BOTTOM = 'M.5,0 L.5,1',
+  /** ─ */ LEFT_TO_RIGHT = 'M0,.5 L1,.5',
+
+  /** └ */ TOP_TO_RIGHT = 'M.5,0 L.5,.5 L1,.5',
+  /** ┘ */ TOP_TO_LEFT = 'M.5,0 L.5,.5 L0,.5',
+  /** ┐ */ LEFT_TO_BOTTOM = 'M0,.5 L.5,.5 L.5,1',
+  /** ┌ */ RIGHT_TO_BOTTOM = 'M0.5,1 L.5,.5 L1,.5',
+
+  /** ╵ */ MIDDLE_TO_TOP = 'M.5,.5 L.5,0',
+  /** ╴ */ MIDDLE_TO_LEFT = 'M.5,.5 L0,.5',
+  /** ╶ */ MIDDLE_TO_RIGHT = 'M.5,.5 L1,.5',
+  /** ╷ */ MIDDLE_TO_BOTTOM = 'M.5,.5 L.5,1',
+
+  /** ┴ */ T_TOP = 'M0,.5 L1,.5 M.5,.5 L.5,0',
+  /** ┤ */ T_LEFT = 'M.5,0 L.5,1 M.5,.5 L0,.5',
+  /** ├ */ T_RIGHT = 'M.5,0 L.5,1 M.5,.5 L1,.5',
+  /** ┬ */ T_BOTTOM = 'M0,.5 L1,.5 M.5,.5 L.5,1',
+
+  /** ┼ */ CROSS = 'M0,.5 L1,.5 M.5,0 L.5,1',
+
+  /** ╌ */ TWO_DASHES_HORIZONTAL = 'M.1,.5 L.4,.5 M.6,.5 L.9,.5', // .2 empty, .3 filled
+  /** ┄ */ THREE_DASHES_HORIZONTAL = 'M.0667,.5 L.2667,.5 M.4,.5 L.6,.5 M.7333,.5 L.9333,.5', // .1333 empty, .2 filled
+  /** ┉ */ FOUR_DASHES_HORIZONTAL = 'M.05,.5 L.2,.5 M.3,.5 L.45,.5 M.55,.5 L.7,.5 M.8,.5 L.95,.5', // .1 empty, .15 filled
+  /** ╎ */ TWO_DASHES_VERTICAL = 'M.5,.1 L.5,.4 M.5,.6 L.5,.9',
+  /** ┆ */ THREE_DASHES_VERTICAL = 'M.5,.0667 L.5,.2667 M.5,.4 L.5,.6 M.5,.7333 L.5,.9333',
+  /** ┊ */ FOUR_DASHES_VERTICAL = 'M.5,.05 L.5,.2 M.5,.3 L.5,.45 L.5,.55 M.5,.7 L.5,.95',
+}
+
+const enum Style {
+  NORMAL = 1,
+  BOLD = 3
+}
+
+/**
+ * @param xp The percentage of 15% of the x axis.
+ * @param yp The percentage of 15% of the x axis on the y axis.
+ */
+type DrawFunctionDefinition = (xp: number, yp: number) => string;
+
+/**
+ * This contains the definitions of all box drawing characters in the format of SVG paths (ie. the
+ * svg d attribute).
+ */
+export const boxDrawingDefinitions: { [character: string]: { [fontWeight: number]: string | DrawFunctionDefinition } | undefined } = {
+  // Uniform normal and bold
+  '─': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT },
+  '━': { [Style.BOLD]:   Shapes.LEFT_TO_RIGHT },
+  '│': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM },
+  '┃': { [Style.BOLD]:   Shapes.TOP_TO_BOTTOM },
+  '┌': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM },
+  '┏': { [Style.BOLD]:   Shapes.RIGHT_TO_BOTTOM },
+  '┐': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM },
+  '┓': { [Style.BOLD]:   Shapes.LEFT_TO_BOTTOM },
+  '└': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT },
+  '┗': { [Style.BOLD]:   Shapes.TOP_TO_RIGHT },
+  '┘': { [Style.NORMAL]: Shapes.TOP_TO_LEFT },
+  '┛': { [Style.BOLD]:   Shapes.TOP_TO_LEFT },
+  '├': { [Style.NORMAL]: Shapes.T_RIGHT },
+  '┣': { [Style.BOLD]:   Shapes.T_RIGHT },
+  '┤': { [Style.NORMAL]: Shapes.T_LEFT },
+  '┫': { [Style.BOLD]:   Shapes.T_LEFT },
+  '┬': { [Style.NORMAL]: Shapes.T_BOTTOM },
+  '┳': { [Style.BOLD]:   Shapes.T_BOTTOM },
+  '┴': { [Style.NORMAL]: Shapes.T_TOP },
+  '┻': { [Style.BOLD]:   Shapes.T_TOP },
+  '┼': { [Style.NORMAL]: Shapes.CROSS },
+  '╋': { [Style.BOLD]:   Shapes.CROSS },
+  '╴': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT },
+  '╸': { [Style.BOLD]:   Shapes.MIDDLE_TO_LEFT },
+  '╵': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP },
+  '╹': { [Style.BOLD]:   Shapes.MIDDLE_TO_TOP },
+  '╶': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT },
+  '╺': { [Style.BOLD]:   Shapes.MIDDLE_TO_RIGHT },
+  '╷': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM },
+  '╻': { [Style.BOLD]:   Shapes.MIDDLE_TO_BOTTOM },
+
+  // Double border
+  '═': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
+  '║': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
+  '╒': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
+  '╓': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},1 L${.5 - xp},.5 L1,.5 M${.5 + xp},.5 L${.5 + xp},1` },
+  '╔': { [Style.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
+  '╕': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L.5,${.5 - yp} L.5,1 M0,${.5 + yp} L.5,${.5 + yp}` },
+  '╖': { [Style.NORMAL]: (xp, yp) => `M${.5 + xp},1 L${.5 + xp},.5 L0,.5 M${.5 - xp},.5 L${.5 - xp},1` },
+  '╗': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},1` },
+  '╘': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 + yp} L1,${.5 + yp} M.5,${.5 - yp} L1,${.5 - yp}` },
+  '╙': { [Style.NORMAL]: (xp, yp) => `M1,.5 L${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
+  '╚': { [Style.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0 M1,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},0` },
+  '╛': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L.5,${.5 + yp} L.5,0 M0,${.5 - yp} L.5,${.5 - yp}` },
+  '╜': { [Style.NORMAL]: (xp, yp) => `M0,.5 L${.5 + xp},.5 L${.5 + xp},0 M${.5 - xp},.5 L${.5 - xp},0` },
+  '╝': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M0,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},0` },
+  '╞': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
+  '╟': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1 M${.5 + xp},.5 L1,.5` },
+  '╠': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
+  '╡': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L.5,${.5 - yp} M0,${.5 + yp} L.5,${.5 + yp}` },
+  '╢': { [Style.NORMAL]: (xp, yp) => `M0,.5 L${.5 - xp},.5 M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
+  '╣': { [Style.NORMAL]: (xp, yp) => `M${.5 + xp},0 L${.5 + xp},1 M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0` },
+  '╤': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp} M.5,${.5 + yp} L.5,1` },
+  '╥': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},1 M${.5 + xp},.5 L${.5 + xp},1` },
+  '╦': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
+  '╧': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - yp} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
+  '╨': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
+  '╩': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L1,${.5 + yp} M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
+  '╪': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
+  '╫': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
+  '╬': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
+
+  // Diagonal
+  '╱': { [Style.NORMAL]: 'M1,0 L0,1' },
+  '╲': { [Style.NORMAL]: 'M0,0 L1,1' },
+  '╳': { [Style.NORMAL]: 'M1,0 L0,1 M0,0 L1,1' },
+
+  // Mixed weight
+  '╼': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '╽': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '╾': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '╿': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┍': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┎': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┑': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┒': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┕': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┖': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┙': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┚': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┝': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM,                                 [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┞': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM,                               [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┟': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT,                                  [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┠': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
+  '┡': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.TOP_TO_RIGHT },
+  '┢': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
+  '┥': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM,                                 [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┦': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM,                                [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┧': { [Style.NORMAL]: Shapes.TOP_TO_LEFT,                                   [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┨': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
+  '┩': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.TOP_TO_LEFT },
+  '┪': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
+  '┭': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM,                               [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┮': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM,                                [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┯': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
+  '┰': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT,                                 [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '┱': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
+  '┲': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
+  '┵': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT,                                  [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┶': { [Style.NORMAL]: Shapes.TOP_TO_LEFT,                                   [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┷': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
+  '┸': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT,                                 [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '┹': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: Shapes.TOP_TO_LEFT },
+  '┺': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: Shapes.TOP_TO_RIGHT },
+  '┽': { [Style.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}`,  [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
+  '┾': { [Style.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}`,   [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
+  '┿': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM,                                 [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
+  '╀': { [Style.NORMAL]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}`, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
+  '╁': { [Style.NORMAL]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}`,    [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
+  '╂': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT,                                 [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
+  '╃': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM,                               [Style.BOLD]: Shapes.TOP_TO_LEFT },
+  '╄': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM,                                [Style.BOLD]: Shapes.TOP_TO_RIGHT },
+  '╅': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT,                                  [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
+  '╆': { [Style.NORMAL]: Shapes.TOP_TO_LEFT,                                   [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
+  '╇': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM,                              [Style.BOLD]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}` },
+  '╈': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP,                                 [Style.BOLD]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}` },
+  '╉': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT,                               [Style.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}` },
+  '╊': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT,                                [Style.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}` },
+
+  // Dashed
+  '╌': { [Style.NORMAL]: Shapes.TWO_DASHES_HORIZONTAL },
+  '╍': { [Style.BOLD]:   Shapes.TWO_DASHES_HORIZONTAL },
+  '┄': { [Style.NORMAL]: Shapes.THREE_DASHES_HORIZONTAL },
+  '┅': { [Style.BOLD]:   Shapes.THREE_DASHES_HORIZONTAL },
+  '┈': { [Style.NORMAL]: Shapes.FOUR_DASHES_HORIZONTAL },
+  '┉': { [Style.BOLD]:   Shapes.FOUR_DASHES_HORIZONTAL },
+  '╎': { [Style.NORMAL]: Shapes.TWO_DASHES_VERTICAL },
+  '╏': { [Style.BOLD]:   Shapes.TWO_DASHES_VERTICAL },
+  '┆': { [Style.NORMAL]: Shapes.THREE_DASHES_VERTICAL  },
+  '┇': { [Style.BOLD]:   Shapes.THREE_DASHES_VERTICAL },
+  '┊': { [Style.NORMAL]: Shapes.FOUR_DASHES_VERTICAL },
+  '┋': { [Style.BOLD]:   Shapes.FOUR_DASHES_VERTICAL },
+
+  // Curved
+  '╭': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 + (yp / .15 * .5)} C.5,${.5 + (yp / .15 * .5)},.5,.5,1,.5` },
+  '╮': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 + (yp / .15 * .5)} C.5,${.5 + (yp / .15 * .5)},.5,.5,0,.5` },
+  '╯': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - (yp / .15 * .5)} C.5,${.5 - (yp / .15 * .5)},.5,.5,0,.5` },
+  '╰': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - (yp / .15 * .5)} C.5,${.5 - (yp / .15 * .5)},.5,.5,1,.5` }
+};
+
+interface IVectorShape {
+  d: string;
+  type: VectorType;
+  leftPadding?: number;
+  rightPadding?: number;
+}
+
+const enum VectorType {
+  FILL,
+  STROKE
+}
+
+/**
+ * This contains the definitions of the primarily used box drawing characters as vector shapes. The
+ * reason these characters are defined specially is to avoid common problems if a user's font has
+ * not been patched with powerline characters and also to get pixel perfect rendering as rendering
+ * issues can occur around AA/SPAA.
+ *
+ * The line variants draw beyond the cell and get clipped to ensure the end of the line is not
+ * visible.
+ *
+ * Original symbols defined in https://github.com/powerline/fontpatcher
+ */
+export const powerlineDefinitions: { [index: string]: IVectorShape } = {
+  // Right triangle solid
+  '\u{E0B0}': { d: 'M0,0 L1,.5 L0,1', type: VectorType.FILL, rightPadding: 2 },
+  // Right triangle line
+  '\u{E0B1}': { d: 'M-1,-.5 L1,.5 L-1,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Left triangle solid
+  '\u{E0B2}': { d: 'M1,0 L0,.5 L1,1', type: VectorType.FILL, leftPadding: 2 },
+  // Left triangle line
+  '\u{E0B3}': { d: 'M2,-.5 L0,.5 L2,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Right semi-circle solid
+  '\u{E0B4}': { d: 'M0,0 L0,1 C0.552,1,1,0.776,1,.5 C1,0.224,0.552,0,0,0', type: VectorType.FILL, rightPadding: 1 },
+  // Right semi-circle line
+  '\u{E0B5}': { d: 'M.2,1 C.422,1,.8,.826,.78,.5 C.8,.174,0.422,0,.2,0', type: VectorType.STROKE, rightPadding: 1 },
+  // Left semi-circle solid
+  '\u{E0B6}': { d: 'M1,0 L1,1 C0.448,1,0,0.776,0,.5 C0,0.224,0.448,0,1,0', type: VectorType.FILL, leftPadding: 1 },
+  // Left semi-circle line
+  '\u{E0B7}': { d: 'M.8,1 C0.578,1,0.2,.826,.22,.5 C0.2,0.174,0.578,0,0.8,0', type: VectorType.STROKE, leftPadding: 1 },
+  // Lower left triangle
+  '\u{E0B8}': { d: 'M-.5,-.5 L1.5,1.5 L-.5,1.5', type: VectorType.FILL },
+  // Backslash separator
+  '\u{E0B9}': { d: 'M-.5,-.5 L1.5,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Lower right triangle
+  '\u{E0BA}': { d: 'M1.5,-.5 L-.5,1.5 L1.5,1.5', type: VectorType.FILL },
+  // Upper left triangle
+  '\u{E0BC}': { d: 'M1.5,-.5 L-.5,1.5 L-.5,-.5', type: VectorType.FILL },
+  // Forward slash separator
+  '\u{E0BD}': { d: 'M1.5,-.5 L-.5,1.5', type: VectorType.STROKE, leftPadding: 1, rightPadding: 1 },
+  // Upper right triangle
+  '\u{E0BE}': { d: 'M-.5,-.5 L1.5,1.5 L1.5,-.5', type: VectorType.FILL }
+};
+// Forward slash separator redundant
+powerlineDefinitions['\u{E0BB}'] = powerlineDefinitions['\u{E0BD}'];
+// Backslash separator redundant
+powerlineDefinitions['\u{E0BF}'] = powerlineDefinitions['\u{E0B9}'];
+
+/**
+ * Try drawing a custom block element or box drawing character, returning whether it was
+ * successfully drawn.
+ */
+export function tryDrawCustomChar(
+  ctx: CanvasRenderingContext2D,
+  c: string,
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  fontSize: number,
+  devicePixelRatio: number
+): boolean {
+  const blockElementDefinition = blockElementDefinitions[c];
+  if (blockElementDefinition) {
+    drawBlockElementChar(ctx, blockElementDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+    return true;
+  }
+
+  const patternDefinition = patternCharacterDefinitions[c];
+  if (patternDefinition) {
+    drawPatternChar(ctx, patternDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+    return true;
+  }
+
+  const boxDrawingDefinition = boxDrawingDefinitions[c];
+  if (boxDrawingDefinition) {
+    drawBoxDrawingChar(ctx, boxDrawingDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight, devicePixelRatio);
+    return true;
+  }
+
+  const powerlineDefinition = powerlineDefinitions[c];
+  if (powerlineDefinition) {
+    drawPowerlineChar(ctx, powerlineDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight, fontSize, devicePixelRatio);
+    return true;
+  }
+
+  return false;
+}
+
+function drawBlockElementChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: IBlockVector[],
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number
+): void {
+  for (let i = 0; i < charDefinition.length; i++) {
+    const box = charDefinition[i];
+    const xEighth = deviceCellWidth / 8;
+    const yEighth = deviceCellHeight / 8;
+    ctx.fillRect(
+      xOffset + box.x * xEighth,
+      yOffset + box.y * yEighth,
+      box.w * xEighth,
+      box.h * yEighth
+    );
+  }
+}
+
+const cachedPatterns: Map<PatternDefinition, Map</* fillStyle */string, CanvasPattern>> = new Map();
+
+function drawPatternChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: number[][],
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number
+): void {
+  let patternSet = cachedPatterns.get(charDefinition);
+  if (!patternSet) {
+    patternSet = new Map();
+    cachedPatterns.set(charDefinition, patternSet);
+  }
+  const fillStyle = ctx.fillStyle;
+  if (typeof fillStyle !== 'string') {
+    throw new Error(`Unexpected fillStyle type "${fillStyle}"`);
+  }
+  let pattern = patternSet.get(fillStyle);
+  if (!pattern) {
+    const width = charDefinition[0].length;
+    const height = charDefinition.length;
+    const tmpCanvas = document.createElement('canvas');
+    tmpCanvas.width = width;
+    tmpCanvas.height = height;
+    const tmpCtx = throwIfFalsy(tmpCanvas.getContext('2d'));
+    const imageData = new ImageData(width, height);
+
+    // Extract rgba from fillStyle
+    let r: number;
+    let g: number;
+    let b: number;
+    let a: number;
+    if (fillStyle.startsWith('#')) {
+      r = parseInt(fillStyle.slice(1, 3), 16);
+      g = parseInt(fillStyle.slice(3, 5), 16);
+      b = parseInt(fillStyle.slice(5, 7), 16);
+      a = fillStyle.length > 7 && parseInt(fillStyle.slice(7, 9), 16) || 1;
+    } else if (fillStyle.startsWith('rgba')) {
+      ([r, g, b, a] = fillStyle.substring(5, fillStyle.length - 1).split(',').map(e => parseFloat(e)));
+    } else {
+      throw new Error(`Unexpected fillStyle color format "${fillStyle}" when drawing pattern glyph`);
+    }
+
+    for (let y = 0; y < height; y++) {
+      for (let x = 0; x < width; x++) {
+        imageData.data[(y * width + x) * 4    ] = r;
+        imageData.data[(y * width + x) * 4 + 1] = g;
+        imageData.data[(y * width + x) * 4 + 2] = b;
+        imageData.data[(y * width + x) * 4 + 3] = charDefinition[y][x] * (a * 255);
+      }
+    }
+    tmpCtx.putImageData(imageData, 0, 0);
+    pattern = throwIfFalsy(ctx.createPattern(tmpCanvas, null));
+    patternSet.set(fillStyle, pattern);
+  }
+  ctx.fillStyle = pattern;
+  ctx.fillRect(xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+}
+
+/**
+ * Draws the following box drawing characters by mapping a subset of SVG d attribute instructions to
+ * canvas draw calls.
+ *
+ * Box styles:       ┎┰┒┍┯┑╓╥╖╒╤╕ ┏┳┓┌┲┓┌┬┐┏┱┐
+ * ┌─┬─┐ ┏━┳━┓ ╔═╦═╗ ┠╂┨┝┿┥╟╫╢╞╪╡ ┡╇┩├╊┫┢╈┪┣╉┤
+ * │ │ │ ┃ ┃ ┃ ║ ║ ║ ┖┸┚┕┷┙╙╨╜╘╧╛ └┴┘└┺┛┗┻┛┗┹┘
+ * ├─┼─┤ ┣━╋━┫ ╠═╬═╣ ┏┱┐┌┲┓┌┬┐┌┬┐ ┏┳┓┌┮┓┌┬┐┏┭┐
+ * │ │ │ ┃ ┃ ┃ ║ ║ ║ ┡╃┤├╄┩├╆┪┢╅┤ ┞╀┦├┾┫┟╁┧┣┽┤
+ * └─┴─┘ ┗━┻━┛ ╚═╩═╝ └┴┘└┴┘└┺┛┗┹┘ └┴┘└┶┛┗┻┛┗┵┘
+ *
+ * Other:
+ * ╭─╮ ╲ ╱ ╷╻╎╏┆┇┊┋ ╺╾╴ ╌╌╌ ┄┄┄ ┈┈┈
+ * │ │  ╳  ╽╿╎╏┆┇┊┋ ╶╼╸ ╍╍╍ ┅┅┅ ┉┉┉
+ * ╰─╯ ╱ ╲ ╹╵╎╏┆┇┊┋
+ *
+ * All box drawing characters:
+ * ─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏
+ * ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟
+ * ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯
+ * ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿
+ * ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏
+ * ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟
+ * ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯
+ * ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿
+ *
+ * ---
+ *
+ * Box drawing alignment tests:                                          █
+ *                                                                       ▉
+ *   ╔══╦══╗  ┌──┬──┐  ╭──┬──╮  ╭──┬──╮  ┏━━┳━━┓  ┎┒┏┑   ╷  ╻ ┏┯┓ ┌┰┐    ▊ ╱╲╱╲╳╳╳
+ *   ║┌─╨─┐║  │╔═╧═╗│  │╒═╪═╕│  │╓─╁─╖│  ┃┌─╂─┐┃  ┗╃╄┙  ╶┼╴╺╋╸┠┼┨ ┝╋┥    ▋ ╲╱╲╱╳╳╳
+ *   ║│╲ ╱│║  │║   ║│  ││ │ ││  │║ ┃ ║│  ┃│ ╿ │┃  ┍╅╆┓   ╵  ╹ ┗┷┛ └┸┘    ▌ ╱╲╱╲╳╳╳
+ *   ╠╡ ╳ ╞╣  ├╢   ╟┤  ├┼─┼─┼┤  ├╫─╂─╫┤  ┣┿╾┼╼┿┫  ┕┛┖┚     ┌┄┄┐ ╎ ┏┅┅┓ ┋ ▍ ╲╱╲╱╳╳╳
+ *   ║│╱ ╲│║  │║   ║│  ││ │ ││  │║ ┃ ║│  ┃│ ╽ │┃  ░░▒▒▓▓██ ┊  ┆ ╎ ╏  ┇ ┋ ▎
+ *   ║└─╥─┘║  │╚═╤═╝│  │╘═╪═╛│  │╙─╀─╜│  ┃└─╂─┘┃  ░░▒▒▓▓██ ┊  ┆ ╎ ╏  ┇ ┋ ▏
+ *   ╚══╩══╝  └──┴──┘  ╰──┴──╯  ╰──┴──╯  ┗━━┻━━┛           └╌╌┘ ╎ ┗╍╍┛ ┋  ▁▂▃▄▅▆▇█
+ *
+ * Source: https://www.w3.org/2001/06/utf-8-test/UTF-8-demo.html
+ */
+function drawBoxDrawingChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: { [fontWeight: number]: string | ((xp: number, yp: number) => string) },
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  devicePixelRatio: number
+): void {
+  ctx.strokeStyle = ctx.fillStyle;
+  for (const [fontWeight, instructions] of Object.entries(charDefinition)) {
+    ctx.beginPath();
+    ctx.lineWidth = devicePixelRatio * Number.parseInt(fontWeight);
+    let actualInstructions: string;
+    if (typeof instructions === 'function') {
+      const xp = .15;
+      const yp = .15 / deviceCellHeight * deviceCellWidth;
+      actualInstructions = instructions(xp, yp);
+    } else {
+      actualInstructions = instructions;
+    }
+    for (const instruction of actualInstructions.split(' ')) {
+      const type = instruction[0];
+      const f = svgToCanvasInstructionMap[type];
+      if (!f) {
+        console.error(`Could not find drawing instructions for "${type}"`);
+        continue;
+      }
+      const args: string[] = instruction.substring(1).split(',');
+      if (!args[0] || !args[1]) {
+        continue;
+      }
+      f(ctx, translateArgs(args, deviceCellWidth, deviceCellHeight, xOffset, yOffset, true, devicePixelRatio));
+    }
+    ctx.stroke();
+    ctx.closePath();
+  }
+}
+
+function drawPowerlineChar(
+  ctx: CanvasRenderingContext2D,
+  charDefinition: IVectorShape,
+  xOffset: number,
+  yOffset: number,
+  deviceCellWidth: number,
+  deviceCellHeight: number,
+  fontSize: number,
+  devicePixelRatio: number
+): void {
+  // Clip the cell to make sure drawing doesn't occur beyond bounds
+  const clipRegion = new Path2D();
+  clipRegion.rect(xOffset, yOffset, deviceCellWidth, deviceCellHeight);
+  ctx.clip(clipRegion);
+
+  ctx.beginPath();
+  // Scale the stroke with DPR and font size
+  const cssLineWidth = fontSize / 12;
+  ctx.lineWidth = devicePixelRatio * cssLineWidth;
+  for (const instruction of charDefinition.d.split(' ')) {
+    const type = instruction[0];
+    const f = svgToCanvasInstructionMap[type];
+    if (!f) {
+      console.error(`Could not find drawing instructions for "${type}"`);
+      continue;
+    }
+    const args: string[] = instruction.substring(1).split(',');
+    if (!args[0] || !args[1]) {
+      continue;
+    }
+    f(ctx, translateArgs(
+      args,
+      deviceCellWidth,
+      deviceCellHeight,
+      xOffset,
+      yOffset,
+      false,
+      devicePixelRatio,
+      (charDefinition.leftPadding ?? 0) * (cssLineWidth / 2),
+      (charDefinition.rightPadding ?? 0) * (cssLineWidth / 2)
+    ));
+  }
+  if (charDefinition.type === VectorType.STROKE) {
+    ctx.strokeStyle = ctx.fillStyle;
+    ctx.stroke();
+  } else {
+    ctx.fill();
+  }
+  ctx.closePath();
+}
+
+function clamp(value: number, max: number, min: number = 0): number {
+  return Math.max(Math.min(value, max), min);
+}
+
+const svgToCanvasInstructionMap: { [index: string]: any } = {
+  'C': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.bezierCurveTo(args[0], args[1], args[2], args[3], args[4], args[5]),
+  'L': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.lineTo(args[0], args[1]),
+  'M': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.moveTo(args[0], args[1])
+};
+
+function translateArgs(args: string[], cellWidth: number, cellHeight: number, xOffset: number, yOffset: number, doClamp: boolean, devicePixelRatio: number, leftPadding: number = 0, rightPadding: number = 0): number[] {
+  const result = args.map(e => parseFloat(e) || parseInt(e));
+
+  if (result.length < 2) {
+    throw new Error('Too few arguments for instruction');
+  }
+
+  for (let x = 0; x < result.length; x += 2) {
+    // Translate from 0-1 to 0-cellWidth
+    result[x] *= cellWidth - (leftPadding * devicePixelRatio) - (rightPadding * devicePixelRatio);
+    // Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
+    // line at 100% devicePixelRatio
+    if (doClamp && result[x] !== 0) {
+      result[x] = clamp(Math.round(result[x] + 0.5) - 0.5, cellWidth, 0);
+    }
+    // Apply the cell's offset (ie. x*cellWidth)
+    result[x] += xOffset + (leftPadding * devicePixelRatio);
+  }
+
+  for (let y = 1; y < result.length; y += 2) {
+    // Translate from 0-1 to 0-cellHeight
+    result[y] *= cellHeight;
+    // Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
+    // line at 100% devicePixelRatio
+    if (doClamp && result[y] !== 0) {
+      result[y] = clamp(Math.round(result[y] + 0.5) - 0.5, cellHeight, 0);
+    }
+    // Apply the cell's offset (ie. x*cellHeight)
+    result[y] += yOffset;
+  }
+
+  return result;
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/DevicePixelObserver.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/DevicePixelObserver.ts
new file mode 100644
index 000000000..38d40eeaf
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/DevicePixelObserver.ts
@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+
+export function observeDevicePixelDimensions(element: HTMLElement, parentWindow: Window & typeof globalThis, callback: (deviceWidth: number, deviceHeight: number) => void): IDisposable {
+  // Observe any resizes to the element and extract the actual pixel size of the element if the
+  // devicePixelContentBoxSize API is supported. This allows correcting rounding errors when
+  // converting between CSS pixels and device pixels which causes blurry rendering when device
+  // pixel ratio is not a round number.
+  let observer: ResizeObserver | undefined = new parentWindow.ResizeObserver((entries) => {
+    const entry = entries.find((entry) => entry.target === element);
+    if (!entry) {
+      return;
+    }
+
+    // Disconnect if devicePixelContentBoxSize isn't supported by the browser
+    if (!('devicePixelContentBoxSize' in entry)) {
+      observer?.disconnect();
+      observer = undefined;
+      return;
+    }
+
+    // Fire the callback, ignore events where the dimensions are 0x0 as the canvas is likely hidden
+    const width = entry.devicePixelContentBoxSize[0].inlineSize;
+    const height = entry.devicePixelContentBoxSize[0].blockSize;
+    if (width > 0 && height > 0) {
+      callback(width, height);
+    }
+  });
+  try {
+    observer.observe(element, { box: ['device-pixel-content-box'] } as any);
+  } catch {
+    observer.disconnect();
+    observer = undefined;
+  }
+  return toDisposable(() => observer?.disconnect());
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/README.md b/web/public/node_modules/xterm/src/browser/renderer/shared/README.md
new file mode 100644
index 000000000..580842356
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/README.md
@@ -0,0 +1 @@
+This folder contains files that are shared between the renderer addons, but not necessarily bundled into the `xterm` module.
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/RendererUtils.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/RendererUtils.ts
new file mode 100644
index 000000000..70c9ad86c
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/RendererUtils.ts
@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDimensions, IRenderDimensions } from 'browser/renderer/shared/Types';
+
+export function throwIfFalsy<T>(value: T | undefined | null): T {
+  if (!value) {
+    throw new Error('value must not be falsy');
+  }
+  return value;
+}
+
+export function isPowerlineGlyph(codepoint: number): boolean {
+  // Only return true for Powerline symbols which require
+  // different padding and should be excluded from minimum contrast
+  // ratio standards
+  return 0xE0A4 <= codepoint && codepoint <= 0xE0D6;
+}
+
+export function isRestrictedPowerlineGlyph(codepoint: number): boolean {
+  return 0xE0B0 <= codepoint && codepoint <= 0xE0B7;
+}
+
+function isBoxOrBlockGlyph(codepoint: number): boolean {
+  return 0x2500 <= codepoint && codepoint <= 0x259F;
+}
+
+export function excludeFromContrastRatioDemands(codepoint: number): boolean {
+  return isPowerlineGlyph(codepoint) || isBoxOrBlockGlyph(codepoint);
+}
+
+export function createRenderDimensions(): IRenderDimensions {
+  return {
+    css: {
+      canvas: createDimension(),
+      cell: createDimension()
+    },
+    device: {
+      canvas: createDimension(),
+      cell: createDimension(),
+      char: {
+        width: 0,
+        height: 0,
+        left: 0,
+        top: 0
+      }
+    }
+  };
+}
+
+function createDimension(): IDimensions {
+  return {
+    width: 0,
+    height: 0
+  };
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/SelectionRenderModel.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/SelectionRenderModel.ts
new file mode 100644
index 000000000..db3757788
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/SelectionRenderModel.ts
@@ -0,0 +1,91 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { Terminal } from 'xterm';
+
+class SelectionRenderModel implements ISelectionRenderModel {
+  public hasSelection!: boolean;
+  public columnSelectMode!: boolean;
+  public viewportStartRow!: number;
+  public viewportEndRow!: number;
+  public viewportCappedStartRow!: number;
+  public viewportCappedEndRow!: number;
+  public startCol!: number;
+  public endCol!: number;
+  public selectionStart: [number, number] | undefined;
+  public selectionEnd: [number, number] | undefined;
+
+  constructor() {
+    this.clear();
+  }
+
+  public clear(): void {
+    this.hasSelection = false;
+    this.columnSelectMode = false;
+    this.viewportStartRow = 0;
+    this.viewportEndRow = 0;
+    this.viewportCappedStartRow = 0;
+    this.viewportCappedEndRow = 0;
+    this.startCol = 0;
+    this.endCol = 0;
+    this.selectionStart = undefined;
+    this.selectionEnd = undefined;
+  }
+
+  public update(terminal: Terminal, start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean = false): void {
+    this.selectionStart = start;
+    this.selectionEnd = end;
+    // Selection does not exist
+    if (!start || !end || (start[0] === end[0] && start[1] === end[1])) {
+      this.clear();
+      return;
+    }
+
+    // Translate from buffer position to viewport position
+    const viewportStartRow = start[1] - terminal.buffer.active.viewportY;
+    const viewportEndRow = end[1] - terminal.buffer.active.viewportY;
+    const viewportCappedStartRow = Math.max(viewportStartRow, 0);
+    const viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);
+
+    // No need to draw the selection
+    if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {
+      this.clear();
+      return;
+    }
+
+    this.hasSelection = true;
+    this.columnSelectMode = columnSelectMode;
+    this.viewportStartRow = viewportStartRow;
+    this.viewportEndRow = viewportEndRow;
+    this.viewportCappedStartRow = viewportCappedStartRow;
+    this.viewportCappedEndRow = viewportCappedEndRow;
+    this.startCol = start[0];
+    this.endCol = end[0];
+  }
+
+  public isCellSelected(terminal: Terminal, x: number, y: number): boolean {
+    if (!this.hasSelection) {
+      return false;
+    }
+    y -= terminal.buffer.active.viewportY;
+    if (this.columnSelectMode) {
+      if (this.startCol <= this.endCol) {
+        return x >= this.startCol && y >= this.viewportCappedStartRow &&
+          x < this.endCol && y <= this.viewportCappedEndRow;
+      }
+      return x < this.startCol && y >= this.viewportCappedStartRow &&
+        x >= this.endCol && y <= this.viewportCappedEndRow;
+    }
+    return (y > this.viewportStartRow && y < this.viewportEndRow) ||
+      (this.viewportStartRow === this.viewportEndRow && y === this.viewportStartRow && x >= this.startCol && x < this.endCol) ||
+      (this.viewportStartRow < this.viewportEndRow && y === this.viewportEndRow && x < this.endCol) ||
+      (this.viewportStartRow < this.viewportEndRow && y === this.viewportStartRow && x >= this.startCol);
+  }
+}
+
+export function createSelectionRenderModel(): ISelectionRenderModel {
+  return new SelectionRenderModel();
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/TextureAtlas.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/TextureAtlas.ts
new file mode 100644
index 000000000..dd0595740
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/TextureAtlas.ts
@@ -0,0 +1,1082 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IColorContrastCache } from 'browser/Types';
+import { DIM_OPACITY, TEXT_BASELINE } from 'browser/renderer/shared/Constants';
+import { tryDrawCustomChar } from 'browser/renderer/shared/CustomGlyphs';
+import { excludeFromContrastRatioDemands, isPowerlineGlyph, isRestrictedPowerlineGlyph, throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
+import { IBoundingBox, ICharAtlasConfig, IRasterizedGlyph, ITextureAtlas } from 'browser/renderer/shared/Types';
+import { NULL_COLOR, color, rgba } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { FourKeyMap } from 'common/MultiKeyMap';
+import { IdleTaskQueue } from 'common/TaskQueue';
+import { IColor } from 'common/Types';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { Attributes, DEFAULT_COLOR, DEFAULT_EXT, UnderlineStyle } from 'common/buffer/Constants';
+import { traceCall } from 'common/services/LogService';
+import { IUnicodeService } from 'common/services/Services';
+
+/**
+ * A shared object which is used to draw nothing for a particular cell.
+ */
+const NULL_RASTERIZED_GLYPH: IRasterizedGlyph = {
+  texturePage: 0,
+  texturePosition: { x: 0, y: 0 },
+  texturePositionClipSpace: { x: 0, y: 0 },
+  offset: { x: 0, y: 0 },
+  size: { x: 0, y: 0 },
+  sizeClipSpace: { x: 0, y: 0 }
+};
+
+const TMP_CANVAS_GLYPH_PADDING = 2;
+
+const enum Constants {
+  /**
+   * The amount of pixel padding to allow in each row. Setting this to zero would make the atlas
+   * page pack as tightly as possible, but more pages would end up being created as a result.
+   */
+  ROW_PIXEL_THRESHOLD = 2,
+  /**
+   * The maximum texture size regardless of what the actual hardware maximum turns out to be. This
+   * is enforced to ensure uploading the texture still finishes in a reasonable amount of time. A
+   * 4096 squared image takes up 16MB of GPU memory.
+   */
+  FORCED_MAX_TEXTURE_SIZE = 4096
+}
+
+interface ICharAtlasActiveRow {
+  x: number;
+  y: number;
+  height: number;
+}
+
+// Work variables to avoid garbage collection
+let $glyph = undefined;
+
+export class TextureAtlas implements ITextureAtlas {
+  private _didWarmUp: boolean = false;
+
+  private _cacheMap: FourKeyMap<number, number, number, number, IRasterizedGlyph> = new FourKeyMap();
+  private _cacheMapCombined: FourKeyMap<string, number, number, number, IRasterizedGlyph> = new FourKeyMap();
+
+  // The texture that the atlas is drawn to
+  private _pages: AtlasPage[] = [];
+  public get pages(): { canvas: HTMLCanvasElement, version: number }[] { return this._pages; }
+
+  // The set of atlas pages that can be written to
+  private _activePages: AtlasPage[] = [];
+
+  private _tmpCanvas: HTMLCanvasElement;
+  // A temporary context that glyphs are drawn to before being transfered to the atlas.
+  private _tmpCtx: CanvasRenderingContext2D;
+
+  private _workBoundingBox: IBoundingBox = { top: 0, left: 0, bottom: 0, right: 0 };
+  private _workAttributeData: AttributeData = new AttributeData();
+
+  private _textureSize: number = 512;
+
+  public static maxAtlasPages: number | undefined;
+  public static maxTextureSize: number | undefined;
+
+  private readonly _onAddTextureAtlasCanvas = new EventEmitter<HTMLCanvasElement>();
+  public readonly onAddTextureAtlasCanvas = this._onAddTextureAtlasCanvas.event;
+  private readonly _onRemoveTextureAtlasCanvas = new EventEmitter<HTMLCanvasElement>();
+  public readonly onRemoveTextureAtlasCanvas = this._onRemoveTextureAtlasCanvas.event;
+
+  constructor(
+    private readonly _document: Document,
+    private readonly _config: ICharAtlasConfig,
+    private readonly _unicodeService: IUnicodeService
+  ) {
+    this._createNewPage();
+    this._tmpCanvas = createCanvas(
+      _document,
+      this._config.deviceCellWidth * 4 + TMP_CANVAS_GLYPH_PADDING * 2,
+      this._config.deviceCellHeight + TMP_CANVAS_GLYPH_PADDING * 2
+    );
+    this._tmpCtx = throwIfFalsy(this._tmpCanvas.getContext('2d', {
+      alpha: this._config.allowTransparency,
+      willReadFrequently: true
+    }));
+  }
+
+  public dispose(): void {
+    for (const page of this.pages) {
+      page.canvas.remove();
+    }
+    this._onAddTextureAtlasCanvas.dispose();
+  }
+
+  public warmUp(): void {
+    if (!this._didWarmUp) {
+      this._doWarmUp();
+      this._didWarmUp = true;
+    }
+  }
+
+  private _doWarmUp(): void {
+    // Pre-fill with ASCII 33-126, this is not urgent and done in idle callbacks
+    const queue = new IdleTaskQueue();
+    for (let i = 33; i < 126; i++) {
+      queue.enqueue(() => {
+        if (!this._cacheMap.get(i, DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_EXT)) {
+          const rasterizedGlyph = this._drawToCache(i, DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_EXT);
+          this._cacheMap.set(i, DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_EXT, rasterizedGlyph);
+        }
+      });
+    }
+  }
+
+  private _requestClearModel = false;
+  public beginFrame(): boolean {
+    return this._requestClearModel;
+  }
+
+  public clearTexture(): void {
+    if (this._pages[0].currentRow.x === 0 && this._pages[0].currentRow.y === 0) {
+      return;
+    }
+    for (const page of this._pages) {
+      page.clear();
+    }
+    this._cacheMap.clear();
+    this._cacheMapCombined.clear();
+    this._didWarmUp = false;
+  }
+
+  private _createNewPage(): AtlasPage {
+    // Try merge the set of the 4 most used pages of the largest size. This is is deferred to a
+    // microtask to ensure it does not interrupt textures that will be rendered in the current
+    // animation frame which would result in blank rendered areas. This is actually not that
+    // expensive relative to drawing the glyphs, so there is no need to wait for an idle callback.
+    if (TextureAtlas.maxAtlasPages && this._pages.length >= Math.max(4, TextureAtlas.maxAtlasPages)) {
+      // Find the set of the largest 4 images, below the maximum size, with the highest
+      // percentages used
+      const pagesBySize = this._pages.filter(e => {
+        return e.canvas.width * 2 <= (TextureAtlas.maxTextureSize || Constants.FORCED_MAX_TEXTURE_SIZE);
+      }).sort((a, b) => {
+        if (b.canvas.width !== a.canvas.width) {
+          return b.canvas.width - a.canvas.width;
+        }
+        return b.percentageUsed - a.percentageUsed;
+      });
+      let sameSizeI = -1;
+      let size = 0;
+      for (let i = 0; i < pagesBySize.length; i++) {
+        if (pagesBySize[i].canvas.width !== size) {
+          sameSizeI = i;
+          size = pagesBySize[i].canvas.width;
+        } else if (i - sameSizeI === 3) {
+          break;
+        }
+      }
+
+      // Gather details of the merge
+      const mergingPages = pagesBySize.slice(sameSizeI, sameSizeI + 4);
+      const sortedMergingPagesIndexes = mergingPages.map(e => e.glyphs[0].texturePage).sort((a, b) => a > b ? 1 : -1);
+      const mergedPageIndex = this.pages.length - mergingPages.length;
+
+      // Merge into the new page
+      const mergedPage = this._mergePages(mergingPages, mergedPageIndex);
+      mergedPage.version++;
+
+      // Delete the pages, shifting glyph texture pages as needed
+      for (let i = sortedMergingPagesIndexes.length - 1; i >= 0; i--) {
+        this._deletePage(sortedMergingPagesIndexes[i]);
+      }
+
+      // Add the new merged page to the end
+      this.pages.push(mergedPage);
+
+      // Request the model to be cleared to refresh all texture pages.
+      this._requestClearModel = true;
+      this._onAddTextureAtlasCanvas.fire(mergedPage.canvas);
+    }
+
+    // All new atlas pages are created small as they are highly dynamic
+    const newPage = new AtlasPage(this._document, this._textureSize);
+    this._pages.push(newPage);
+    this._activePages.push(newPage);
+    this._onAddTextureAtlasCanvas.fire(newPage.canvas);
+    return newPage;
+  }
+
+  private _mergePages(mergingPages: AtlasPage[], mergedPageIndex: number): AtlasPage {
+    const mergedSize = mergingPages[0].canvas.width * 2;
+    const mergedPage = new AtlasPage(this._document, mergedSize, mergingPages);
+    for (const [i, p] of mergingPages.entries()) {
+      const xOffset = i * p.canvas.width % mergedSize;
+      const yOffset = Math.floor(i / 2) * p.canvas.height;
+      mergedPage.ctx.drawImage(p.canvas, xOffset, yOffset);
+      for (const g of p.glyphs) {
+        g.texturePage = mergedPageIndex;
+        g.sizeClipSpace.x = g.size.x / mergedSize;
+        g.sizeClipSpace.y = g.size.y / mergedSize;
+        g.texturePosition.x += xOffset;
+        g.texturePosition.y += yOffset;
+        g.texturePositionClipSpace.x = g.texturePosition.x / mergedSize;
+        g.texturePositionClipSpace.y = g.texturePosition.y / mergedSize;
+      }
+
+      this._onRemoveTextureAtlasCanvas.fire(p.canvas);
+
+      // Remove the merging page from active pages if it was there
+      const index = this._activePages.indexOf(p);
+      if (index !== -1) {
+        this._activePages.splice(index, 1);
+      }
+    }
+    return mergedPage;
+  }
+
+  private _deletePage(pageIndex: number): void {
+    this._pages.splice(pageIndex, 1);
+    for (let j = pageIndex; j < this._pages.length; j++) {
+      const adjustingPage = this._pages[j];
+      for (const g of adjustingPage.glyphs) {
+        g.texturePage--;
+      }
+      adjustingPage.version++;
+    }
+  }
+
+  public getRasterizedGlyphCombinedChar(chars: string, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph {
+    return this._getFromCacheMap(this._cacheMapCombined, chars, bg, fg, ext, restrictToCellHeight);
+  }
+
+  public getRasterizedGlyph(code: number, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph {
+    return this._getFromCacheMap(this._cacheMap, code, bg, fg, ext, restrictToCellHeight);
+  }
+
+  /**
+   * Gets the glyphs texture coords, drawing the texture if it's not already
+   */
+  private _getFromCacheMap(
+    cacheMap: FourKeyMap<string | number, number, number, number, IRasterizedGlyph>,
+    key: string | number,
+    bg: number,
+    fg: number,
+    ext: number,
+    restrictToCellHeight: boolean = false
+  ): IRasterizedGlyph {
+    $glyph = cacheMap.get(key, bg, fg, ext);
+    if (!$glyph) {
+      $glyph = this._drawToCache(key, bg, fg, ext, restrictToCellHeight);
+      cacheMap.set(key, bg, fg, ext, $glyph);
+    }
+    return $glyph;
+  }
+
+  private _getColorFromAnsiIndex(idx: number): IColor {
+    if (idx >= this._config.colors.ansi.length) {
+      throw new Error('No color found for idx ' + idx);
+    }
+    return this._config.colors.ansi[idx];
+  }
+
+  private _getBackgroundColor(bgColorMode: number, bgColor: number, inverse: boolean, dim: boolean): IColor {
+    if (this._config.allowTransparency) {
+      // The background color might have some transparency, so we need to render it as fully
+      // transparent in the atlas. Otherwise we'd end up drawing the transparent background twice
+      // around the anti-aliased edges of the glyph, and it would look too dark.
+      return NULL_COLOR;
+    }
+
+    let result: IColor;
+    switch (bgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        result = this._getColorFromAnsiIndex(bgColor);
+        break;
+      case Attributes.CM_RGB:
+        const arr = AttributeData.toColorRGB(bgColor);
+        // TODO: This object creation is slow
+        result = rgba.toColor(arr[0], arr[1], arr[2]);
+        break;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          result = color.opaque(this._config.colors.foreground);
+        } else {
+          result = this._config.colors.background;
+        }
+        break;
+    }
+
+    return result;
+  }
+
+  private _getForegroundColor(bg: number, bgColorMode: number, bgColor: number, fg: number, fgColorMode: number, fgColor: number, inverse: boolean, dim: boolean, bold: boolean, excludeFromContrastRatioDemands: boolean): IColor {
+    const minimumContrastColor = this._getMinimumContrastColor(bg, bgColorMode, bgColor, fg, fgColorMode, fgColor, false, bold, dim, excludeFromContrastRatioDemands);
+    if (minimumContrastColor) {
+      return minimumContrastColor;
+    }
+
+    let result: IColor;
+    switch (fgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        if (this._config.drawBoldTextInBrightColors && bold && fgColor < 8) {
+          fgColor += 8;
+        }
+        result = this._getColorFromAnsiIndex(fgColor);
+        break;
+      case Attributes.CM_RGB:
+        const arr = AttributeData.toColorRGB(fgColor);
+        result = rgba.toColor(arr[0], arr[1], arr[2]);
+        break;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          result = this._config.colors.background;
+        } else {
+          result = this._config.colors.foreground;
+        }
+    }
+
+    // Always use an opaque color regardless of allowTransparency
+    if (this._config.allowTransparency) {
+      result = color.opaque(result);
+    }
+
+    // Apply dim to the color, opacity is fine to use for the foreground color
+    if (dim) {
+      result = color.multiplyOpacity(result, DIM_OPACITY);
+    }
+
+    return result;
+  }
+
+  private _resolveBackgroundRgba(bgColorMode: number, bgColor: number, inverse: boolean): number {
+    switch (bgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        return this._getColorFromAnsiIndex(bgColor).rgba;
+      case Attributes.CM_RGB:
+        return bgColor << 8;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          return this._config.colors.foreground.rgba;
+        }
+        return this._config.colors.background.rgba;
+    }
+  }
+
+  private _resolveForegroundRgba(fgColorMode: number, fgColor: number, inverse: boolean, bold: boolean): number {
+    switch (fgColorMode) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:
+        if (this._config.drawBoldTextInBrightColors && bold && fgColor < 8) {
+          fgColor += 8;
+        }
+        return this._getColorFromAnsiIndex(fgColor).rgba;
+      case Attributes.CM_RGB:
+        return fgColor << 8;
+      case Attributes.CM_DEFAULT:
+      default:
+        if (inverse) {
+          return this._config.colors.background.rgba;
+        }
+        return this._config.colors.foreground.rgba;
+    }
+  }
+
+  private _getMinimumContrastColor(bg: number, bgColorMode: number, bgColor: number, fg: number, fgColorMode: number, fgColor: number, inverse: boolean, bold: boolean, dim: boolean, excludeFromContrastRatioDemands: boolean): IColor | undefined {
+    if (this._config.minimumContrastRatio === 1 || excludeFromContrastRatioDemands) {
+      return undefined;
+    }
+
+    // Try get from cache first
+    const cache = this._getContrastCache(dim);
+    const adjustedColor = cache.getColor(bg, fg);
+    if (adjustedColor !== undefined) {
+      return adjustedColor || undefined;
+    }
+
+    const bgRgba = this._resolveBackgroundRgba(bgColorMode, bgColor, inverse);
+    const fgRgba = this._resolveForegroundRgba(fgColorMode, fgColor, inverse, bold);
+    // Dim cells only require half the contrast, otherwise they wouldn't be distinguishable from
+    // non-dim cells
+    const result = rgba.ensureContrastRatio(bgRgba, fgRgba, this._config.minimumContrastRatio / (dim ? 2 : 1));
+
+    if (!result) {
+      cache.setColor(bg, fg, null);
+      return undefined;
+    }
+
+    const color = rgba.toColor(
+      (result >> 24) & 0xFF,
+      (result >> 16) & 0xFF,
+      (result >> 8) & 0xFF
+    );
+    cache.setColor(bg, fg, color);
+
+    return color;
+  }
+
+  private _getContrastCache(dim: boolean): IColorContrastCache {
+    if (dim) {
+      return this._config.colors.halfContrastCache;
+    }
+    return this._config.colors.contrastCache;
+  }
+
+  @traceCall
+  private _drawToCache(codeOrChars: number | string, bg: number, fg: number, ext: number, restrictToCellHeight: boolean = false): IRasterizedGlyph {
+    const chars = typeof codeOrChars === 'number' ? String.fromCharCode(codeOrChars) : codeOrChars;
+
+    // Uncomment for debugging
+    // console.log(`draw to cache "${chars}"`, bg, fg, ext);
+
+    // Allow 1 cell width per character, with a minimum of 2 (CJK), plus some padding. This is used
+    // to draw the glyph to the canvas as well as to restrict the bounding box search to ensure
+    // giant ligatures (eg. =====>) don't impact overall performance.
+    const allowedWidth = Math.min(this._config.deviceCellWidth * Math.max(chars.length, 2) + TMP_CANVAS_GLYPH_PADDING * 2, this._textureSize);
+    if (this._tmpCanvas.width < allowedWidth) {
+      this._tmpCanvas.width = allowedWidth;
+    }
+    // Include line height when drawing glyphs
+    const allowedHeight = Math.min(this._config.deviceCellHeight + TMP_CANVAS_GLYPH_PADDING * 4, this._textureSize);
+    if (this._tmpCanvas.height < allowedHeight) {
+      this._tmpCanvas.height = allowedHeight;
+    }
+    this._tmpCtx.save();
+
+    this._workAttributeData.fg = fg;
+    this._workAttributeData.bg = bg;
+    this._workAttributeData.extended.ext = ext;
+
+    const invisible = !!this._workAttributeData.isInvisible();
+    if (invisible) {
+      return NULL_RASTERIZED_GLYPH;
+    }
+
+    const bold = !!this._workAttributeData.isBold();
+    const inverse = !!this._workAttributeData.isInverse();
+    const dim = !!this._workAttributeData.isDim();
+    const italic = !!this._workAttributeData.isItalic();
+    const underline = !!this._workAttributeData.isUnderline();
+    const strikethrough = !!this._workAttributeData.isStrikethrough();
+    const overline = !!this._workAttributeData.isOverline();
+    let fgColor = this._workAttributeData.getFgColor();
+    let fgColorMode = this._workAttributeData.getFgColorMode();
+    let bgColor = this._workAttributeData.getBgColor();
+    let bgColorMode = this._workAttributeData.getBgColorMode();
+    if (inverse) {
+      const temp = fgColor;
+      fgColor = bgColor;
+      bgColor = temp;
+      const temp2 = fgColorMode;
+      fgColorMode = bgColorMode;
+      bgColorMode = temp2;
+    }
+
+    // draw the background
+    const backgroundColor = this._getBackgroundColor(bgColorMode, bgColor, inverse, dim);
+    // Use a 'copy' composite operation to clear any existing glyph out of _tmpCtxWithAlpha,
+    // regardless of transparency in backgroundColor
+    this._tmpCtx.globalCompositeOperation = 'copy';
+    this._tmpCtx.fillStyle = backgroundColor.css;
+    this._tmpCtx.fillRect(0, 0, this._tmpCanvas.width, this._tmpCanvas.height);
+    this._tmpCtx.globalCompositeOperation = 'source-over';
+
+    // draw the foreground/glyph
+    const fontWeight = bold ? this._config.fontWeightBold : this._config.fontWeight;
+    const fontStyle = italic ? 'italic' : '';
+    this._tmpCtx.font =
+      `${fontStyle} ${fontWeight} ${this._config.fontSize * this._config.devicePixelRatio}px ${this._config.fontFamily}`;
+    this._tmpCtx.textBaseline = TEXT_BASELINE;
+
+    const powerlineGlyph = chars.length === 1 && isPowerlineGlyph(chars.charCodeAt(0));
+    const restrictedPowerlineGlyph = chars.length === 1 && isRestrictedPowerlineGlyph(chars.charCodeAt(0));
+    const foregroundColor = this._getForegroundColor(bg, bgColorMode, bgColor, fg, fgColorMode, fgColor, inverse, dim, bold, excludeFromContrastRatioDemands(chars.charCodeAt(0)));
+    this._tmpCtx.fillStyle = foregroundColor.css;
+
+    // For powerline glyphs left/top padding is excluded (https://github.com/microsoft/vscode/issues/120129)
+    const padding = restrictedPowerlineGlyph ? 0 : TMP_CANVAS_GLYPH_PADDING * 2;
+
+    // Draw custom characters if applicable
+    let customGlyph = false;
+    if (this._config.customGlyphs !== false) {
+      customGlyph = tryDrawCustomChar(this._tmpCtx, chars, padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight, this._config.fontSize, this._config.devicePixelRatio);
+    }
+
+    // Whether to clear pixels based on a threshold difference between the glyph color and the
+    // background color. This should be disabled when the glyph contains multiple colors such as
+    // underline colors to prevent important colors could get cleared.
+    let enableClearThresholdCheck = !powerlineGlyph;
+
+    let chWidth: number;
+    if (typeof codeOrChars === 'number') {
+      chWidth = this._unicodeService.wcwidth(codeOrChars);
+    } else {
+      chWidth = this._unicodeService.getStringCellWidth(codeOrChars);
+    }
+
+    // Draw underline
+    if (underline) {
+      this._tmpCtx.save();
+      const lineWidth = Math.max(1, Math.floor(this._config.fontSize * this._config.devicePixelRatio / 15));
+      // When the line width is odd, draw at a 0.5 position
+      const yOffset = lineWidth % 2 === 1 ? 0.5 : 0;
+      this._tmpCtx.lineWidth = lineWidth;
+
+      // Underline color
+      if (this._workAttributeData.isUnderlineColorDefault()) {
+        this._tmpCtx.strokeStyle = this._tmpCtx.fillStyle;
+      } else if (this._workAttributeData.isUnderlineColorRGB()) {
+        enableClearThresholdCheck = false;
+        this._tmpCtx.strokeStyle = `rgb(${AttributeData.toColorRGB(this._workAttributeData.getUnderlineColor()).join(',')})`;
+      } else {
+        enableClearThresholdCheck = false;
+        let fg = this._workAttributeData.getUnderlineColor();
+        if (this._config.drawBoldTextInBrightColors && this._workAttributeData.isBold() && fg < 8) {
+          fg += 8;
+        }
+        this._tmpCtx.strokeStyle = this._getColorFromAnsiIndex(fg).css;
+      }
+
+      // Underline style/stroke
+      this._tmpCtx.beginPath();
+      const xLeft = padding;
+      const yTop = Math.ceil(padding + this._config.deviceCharHeight) - yOffset - (restrictToCellHeight ? lineWidth * 2 : 0);
+      const yMid = yTop + lineWidth;
+      const yBot = yTop + lineWidth * 2;
+
+      for (let i = 0; i < chWidth; i++) {
+        this._tmpCtx.save();
+        const xChLeft = xLeft + i * this._config.deviceCellWidth;
+        const xChRight = xLeft + (i + 1) * this._config.deviceCellWidth;
+        const xChMid = xChLeft + this._config.deviceCellWidth / 2;
+        switch (this._workAttributeData.extended.underlineStyle) {
+          case UnderlineStyle.DOUBLE:
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            this._tmpCtx.moveTo(xChLeft, yBot);
+            this._tmpCtx.lineTo(xChRight, yBot);
+            break;
+          case UnderlineStyle.CURLY:
+            // Choose the bezier top and bottom based on the device pixel ratio, the curly line is
+            // made taller when the line width is  as otherwise it's not very clear otherwise.
+            const yCurlyBot = lineWidth <= 1 ? yBot : Math.ceil(padding + this._config.deviceCharHeight - lineWidth / 2) - yOffset;
+            const yCurlyTop = lineWidth <= 1 ? yTop : Math.ceil(padding + this._config.deviceCharHeight + lineWidth / 2) - yOffset;
+            // Clip the left and right edges of the underline such that it can be drawn just outside
+            // the edge of the cell to ensure a continuous stroke when there are multiple underlined
+            // glyphs adjacent to one another.
+            const clipRegion = new Path2D();
+            clipRegion.rect(xChLeft, yTop, this._config.deviceCellWidth, yBot - yTop);
+            this._tmpCtx.clip(clipRegion);
+            // Start 1/2 cell before and end 1/2 cells after to ensure a smooth curve with other
+            // cells
+            this._tmpCtx.moveTo(xChLeft - this._config.deviceCellWidth / 2, yMid);
+            this._tmpCtx.bezierCurveTo(
+              xChLeft - this._config.deviceCellWidth / 2, yCurlyTop,
+              xChLeft, yCurlyTop,
+              xChLeft, yMid
+            );
+            this._tmpCtx.bezierCurveTo(
+              xChLeft, yCurlyBot,
+              xChMid, yCurlyBot,
+              xChMid, yMid
+            );
+            this._tmpCtx.bezierCurveTo(
+              xChMid, yCurlyTop,
+              xChRight, yCurlyTop,
+              xChRight, yMid
+            );
+            this._tmpCtx.bezierCurveTo(
+              xChRight, yCurlyBot,
+              xChRight + this._config.deviceCellWidth / 2, yCurlyBot,
+              xChRight + this._config.deviceCellWidth / 2, yMid
+            );
+            break;
+          case UnderlineStyle.DOTTED:
+            this._tmpCtx.setLineDash([Math.round(lineWidth), Math.round(lineWidth)]);
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            break;
+          case UnderlineStyle.DASHED:
+            this._tmpCtx.setLineDash([this._config.devicePixelRatio * 4, this._config.devicePixelRatio * 3]);
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            break;
+          case UnderlineStyle.SINGLE:
+          default:
+            this._tmpCtx.moveTo(xChLeft, yTop);
+            this._tmpCtx.lineTo(xChRight, yTop);
+            break;
+        }
+        this._tmpCtx.stroke();
+        this._tmpCtx.restore();
+      }
+      this._tmpCtx.restore();
+
+      // Draw stroke in the background color for non custom characters in order to give an outline
+      // between the text and the underline. Only do this when font size is >= 12 as the underline
+      // looks odd when the font size is too small
+      if (!customGlyph && this._config.fontSize >= 12) {
+        // This only works when transparency is disabled because it's not clear how to clear stroked
+        // text
+        if (!this._config.allowTransparency && chars !== ' ') {
+          // Measure the text, only draw the stroke if there is a descent beyond an alphabetic text
+          // baseline
+          this._tmpCtx.save();
+          this._tmpCtx.textBaseline = 'alphabetic';
+          const metrics = this._tmpCtx.measureText(chars);
+          this._tmpCtx.restore();
+          if ('actualBoundingBoxDescent' in metrics && metrics.actualBoundingBoxDescent > 0) {
+            // This translates to 1/2 the line width in either direction
+            this._tmpCtx.save();
+            // Clip the region to only draw in valid pixels near the underline to avoid a slight
+            // outline around the whole glyph, as well as additional pixels in the glyph at the top
+            // which would increase GPU memory demands
+            const clipRegion = new Path2D();
+            clipRegion.rect(xLeft, yTop - Math.ceil(lineWidth / 2), this._config.deviceCellWidth * chWidth, yBot - yTop + Math.ceil(lineWidth / 2));
+            this._tmpCtx.clip(clipRegion);
+            this._tmpCtx.lineWidth = this._config.devicePixelRatio * 3;
+            this._tmpCtx.strokeStyle = backgroundColor.css;
+            this._tmpCtx.strokeText(chars, padding, padding + this._config.deviceCharHeight);
+            this._tmpCtx.restore();
+          }
+        }
+      }
+    }
+
+    // Overline
+    if (overline) {
+      const lineWidth = Math.max(1, Math.floor(this._config.fontSize * this._config.devicePixelRatio / 15));
+      const yOffset = lineWidth % 2 === 1 ? 0.5 : 0;
+      this._tmpCtx.lineWidth = lineWidth;
+      this._tmpCtx.strokeStyle = this._tmpCtx.fillStyle;
+      this._tmpCtx.beginPath();
+      this._tmpCtx.moveTo(padding, padding + yOffset);
+      this._tmpCtx.lineTo(padding + this._config.deviceCharWidth * chWidth, padding + yOffset);
+      this._tmpCtx.stroke();
+    }
+
+    // Draw the character
+    if (!customGlyph) {
+      this._tmpCtx.fillText(chars, padding, padding + this._config.deviceCharHeight);
+    }
+
+    // If this character is underscore and beyond the cell bounds, shift it up until it is visible
+    // even on the bottom row, try for a maximum of 5 pixels.
+    if (chars === '_' && !this._config.allowTransparency) {
+      let isBeyondCellBounds = clearColor(this._tmpCtx.getImageData(padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight), backgroundColor, foregroundColor, enableClearThresholdCheck);
+      if (isBeyondCellBounds) {
+        for (let offset = 1; offset <= 5; offset++) {
+          this._tmpCtx.save();
+          this._tmpCtx.fillStyle = backgroundColor.css;
+          this._tmpCtx.fillRect(0, 0, this._tmpCanvas.width, this._tmpCanvas.height);
+          this._tmpCtx.restore();
+          this._tmpCtx.fillText(chars, padding, padding + this._config.deviceCharHeight - offset);
+          isBeyondCellBounds = clearColor(this._tmpCtx.getImageData(padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight), backgroundColor, foregroundColor, enableClearThresholdCheck);
+          if (!isBeyondCellBounds) {
+            break;
+          }
+        }
+      }
+    }
+
+    // Draw strokethrough
+    if (strikethrough) {
+      const lineWidth = Math.max(1, Math.floor(this._config.fontSize * this._config.devicePixelRatio / 10));
+      const yOffset = this._tmpCtx.lineWidth % 2 === 1 ? 0.5 : 0; // When the width is odd, draw at 0.5 position
+      this._tmpCtx.lineWidth = lineWidth;
+      this._tmpCtx.strokeStyle = this._tmpCtx.fillStyle;
+      this._tmpCtx.beginPath();
+      this._tmpCtx.moveTo(padding, padding + Math.floor(this._config.deviceCharHeight / 2) - yOffset);
+      this._tmpCtx.lineTo(padding + this._config.deviceCharWidth * chWidth, padding + Math.floor(this._config.deviceCharHeight / 2) - yOffset);
+      this._tmpCtx.stroke();
+    }
+
+    this._tmpCtx.restore();
+
+    // clear the background from the character to avoid issues with drawing over the previous
+    // character if it extends past it's bounds
+    const imageData = this._tmpCtx.getImageData(
+      0, 0, this._tmpCanvas.width, this._tmpCanvas.height
+    );
+
+    // Clear out the background color and determine if the glyph is empty.
+    let isEmpty: boolean;
+    if (!this._config.allowTransparency) {
+      isEmpty = clearColor(imageData, backgroundColor, foregroundColor, enableClearThresholdCheck);
+    } else {
+      isEmpty = checkCompletelyTransparent(imageData);
+    }
+
+    // Handle empty glyphs
+    if (isEmpty) {
+      return NULL_RASTERIZED_GLYPH;
+    }
+
+    const rasterizedGlyph = this._findGlyphBoundingBox(imageData, this._workBoundingBox, allowedWidth, restrictedPowerlineGlyph, customGlyph, padding);
+
+    // Find the best atlas row to use
+    let activePage: AtlasPage;
+    let activeRow: ICharAtlasActiveRow;
+    while (true) {
+      // If there are no active pages (the last smallest 4 were merged), create a new one
+      if (this._activePages.length === 0) {
+        const newPage = this._createNewPage();
+        activePage = newPage;
+        activeRow = newPage.currentRow;
+        activeRow.height = rasterizedGlyph.size.y;
+        break;
+      }
+
+      // Get the best current row from all active pages
+      activePage = this._activePages[this._activePages.length - 1];
+      activeRow = activePage.currentRow;
+      for (const p of this._activePages) {
+        if (rasterizedGlyph.size.y <= p.currentRow.height) {
+          activePage = p;
+          activeRow = p.currentRow;
+        }
+      }
+
+      // TODO: This algorithm could be simplified:
+      // - Search for the page with ROW_PIXEL_THRESHOLD in mind
+      // - Keep track of current/fixed rows in a Map
+
+      // Replace the best current row with a fixed row if there is one at least as good as the
+      // current row. Search in reverse to prioritize filling in older pages.
+      for (let i = this._activePages.length - 1; i >= 0; i--) {
+        for (const row of this._activePages[i].fixedRows) {
+          if (row.height <= activeRow.height && rasterizedGlyph.size.y <= row.height) {
+            activePage = this._activePages[i];
+            activeRow = row;
+          }
+        }
+      }
+
+      // Create a new page if too much vertical space would be wasted or there is not enough room
+      // left in the page. The previous active row will become fixed in the process as it now has a
+      // fixed height
+      if (activeRow.y + rasterizedGlyph.size.y >= activePage.canvas.height || activeRow.height > rasterizedGlyph.size.y + Constants.ROW_PIXEL_THRESHOLD) {
+        // Create the new fixed height row, creating a new page if there isn't enough room on the
+        // current page
+        let wasPageAndRowFound = false;
+        if (activePage.currentRow.y + activePage.currentRow.height + rasterizedGlyph.size.y >= activePage.canvas.height) {
+          // Find the first page with room to create the new row on
+          let candidatePage: AtlasPage | undefined;
+          for (const p of this._activePages) {
+            if (p.currentRow.y + p.currentRow.height + rasterizedGlyph.size.y < p.canvas.height) {
+              candidatePage = p;
+              break;
+            }
+          }
+          if (candidatePage) {
+            activePage = candidatePage;
+          } else {
+            // Before creating a new atlas page that would trigger a page merge, check if the
+            // current active row is sufficient when ignoring the ROW_PIXEL_THRESHOLD. This will
+            // improve texture utilization by using the available space before the page is merged
+            // and becomes static.
+            if (
+              TextureAtlas.maxAtlasPages &&
+              this._pages.length >= TextureAtlas.maxAtlasPages &&
+              activeRow.y + rasterizedGlyph.size.y <= activePage.canvas.height &&
+              activeRow.height >= rasterizedGlyph.size.y &&
+              activeRow.x + rasterizedGlyph.size.x <= activePage.canvas.width
+            ) {
+              // activePage and activeRow is already valid
+              wasPageAndRowFound = true;
+            } else {
+              // Create a new page if there is no room
+              const newPage = this._createNewPage();
+              activePage = newPage;
+              activeRow = newPage.currentRow;
+              activeRow.height = rasterizedGlyph.size.y;
+              wasPageAndRowFound = true;
+            }
+          }
+        }
+        if (!wasPageAndRowFound) {
+          // Fix the current row as the new row is being added below
+          if (activePage.currentRow.height > 0) {
+            activePage.fixedRows.push(activePage.currentRow);
+          }
+          activeRow = {
+            x: 0,
+            y: activePage.currentRow.y + activePage.currentRow.height,
+            height: rasterizedGlyph.size.y
+          };
+          activePage.fixedRows.push(activeRow);
+
+          // Create the new current row below the new fixed height row
+          activePage.currentRow = {
+            x: 0,
+            y: activeRow.y + activeRow.height,
+            height: 0
+          };
+        }
+        // TODO: Remove pages from _activePages when all rows are filled
+      }
+
+      // Exit the loop if there is enough room in the row
+      if (activeRow.x + rasterizedGlyph.size.x <= activePage.canvas.width) {
+        break;
+      }
+
+      // If there is not enough room in the current row, finish it and try again
+      if (activeRow === activePage.currentRow) {
+        activeRow.x = 0;
+        activeRow.y += activeRow.height;
+        activeRow.height = 0;
+      } else {
+        activePage.fixedRows.splice(activePage.fixedRows.indexOf(activeRow), 1);
+      }
+    }
+
+    // Record texture position
+    rasterizedGlyph.texturePage = this._pages.indexOf(activePage);
+    rasterizedGlyph.texturePosition.x = activeRow.x;
+    rasterizedGlyph.texturePosition.y = activeRow.y;
+    rasterizedGlyph.texturePositionClipSpace.x = activeRow.x / activePage.canvas.width;
+    rasterizedGlyph.texturePositionClipSpace.y = activeRow.y / activePage.canvas.height;
+
+    // Fix the clipspace position as pages may be of differing size
+    rasterizedGlyph.sizeClipSpace.x /= activePage.canvas.width;
+    rasterizedGlyph.sizeClipSpace.y /= activePage.canvas.height;
+
+    // Update atlas current row, for fixed rows the glyph height will never be larger than the row
+    // height
+    activeRow.height = Math.max(activeRow.height, rasterizedGlyph.size.y);
+    activeRow.x += rasterizedGlyph.size.x;
+
+    // putImageData doesn't do any blending, so it will overwrite any existing cache entry for us
+    activePage.ctx.putImageData(
+      imageData,
+      rasterizedGlyph.texturePosition.x - this._workBoundingBox.left,
+      rasterizedGlyph.texturePosition.y - this._workBoundingBox.top,
+      this._workBoundingBox.left,
+      this._workBoundingBox.top,
+      rasterizedGlyph.size.x,
+      rasterizedGlyph.size.y
+    );
+    activePage.addGlyph(rasterizedGlyph);
+    activePage.version++;
+
+    return rasterizedGlyph;
+  }
+
+  /**
+   * Given an ImageData object, find the bounding box of the non-transparent
+   * portion of the texture and return an IRasterizedGlyph with these
+   * dimensions.
+   * @param imageData The image data to read.
+   * @param boundingBox An IBoundingBox to put the clipped bounding box values.
+   */
+  private _findGlyphBoundingBox(imageData: ImageData, boundingBox: IBoundingBox, allowedWidth: number, restrictedGlyph: boolean, customGlyph: boolean, padding: number): IRasterizedGlyph {
+    boundingBox.top = 0;
+    const height = restrictedGlyph ? this._config.deviceCellHeight : this._tmpCanvas.height;
+    const width = restrictedGlyph ? this._config.deviceCellWidth : allowedWidth;
+    let found = false;
+    for (let y = 0; y < height; y++) {
+      for (let x = 0; x < width; x++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.top = y;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    boundingBox.left = 0;
+    found = false;
+    for (let x = 0; x < padding + width; x++) {
+      for (let y = 0; y < height; y++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.left = x;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    boundingBox.right = width;
+    found = false;
+    for (let x = padding + width - 1; x >= padding; x--) {
+      for (let y = 0; y < height; y++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.right = x;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    boundingBox.bottom = height;
+    found = false;
+    for (let y = height - 1; y >= 0; y--) {
+      for (let x = 0; x < width; x++) {
+        const alphaOffset = y * this._tmpCanvas.width * 4 + x * 4 + 3;
+        if (imageData.data[alphaOffset] !== 0) {
+          boundingBox.bottom = y;
+          found = true;
+          break;
+        }
+      }
+      if (found) {
+        break;
+      }
+    }
+    return {
+      texturePage: 0,
+      texturePosition: { x: 0, y: 0 },
+      texturePositionClipSpace: { x: 0, y: 0 },
+      size: {
+        x: boundingBox.right - boundingBox.left + 1,
+        y: boundingBox.bottom - boundingBox.top + 1
+      },
+      sizeClipSpace: {
+        x: (boundingBox.right - boundingBox.left + 1),
+        y: (boundingBox.bottom - boundingBox.top + 1)
+      },
+      offset: {
+        x: -boundingBox.left + padding + ((restrictedGlyph || customGlyph) ? Math.floor((this._config.deviceCellWidth - this._config.deviceCharWidth) / 2) : 0),
+        y: -boundingBox.top + padding + ((restrictedGlyph || customGlyph) ? this._config.lineHeight === 1 ? 0 : Math.round((this._config.deviceCellHeight - this._config.deviceCharHeight) / 2) : 0)
+      }
+    };
+  }
+}
+
+class AtlasPage {
+  public readonly canvas: HTMLCanvasElement;
+  public readonly ctx: CanvasRenderingContext2D;
+
+  private _usedPixels: number = 0;
+  public get percentageUsed(): number { return this._usedPixels / (this.canvas.width * this.canvas.height); }
+
+  private readonly _glyphs: IRasterizedGlyph[] = [];
+  public get glyphs(): ReadonlyArray<IRasterizedGlyph> { return this._glyphs; }
+  public addGlyph(glyph: IRasterizedGlyph): void {
+    this._glyphs.push(glyph);
+    this._usedPixels += glyph.size.x * glyph.size.y;
+  }
+
+  /**
+   * Used to check whether the canvas of the atlas page has changed.
+   */
+  public version = 0;
+
+  // Texture atlas current positioning data. The texture packing strategy used is to fill from
+  // left-to-right and top-to-bottom. When the glyph being written is less than half of the current
+  // row's height, the following happens:
+  //
+  // - The current row becomes the fixed height row A
+  // - A new fixed height row B the exact size of the glyph is created below the current row
+  // - A new dynamic height current row is created below B
+  //
+  // This strategy does a good job preventing space being wasted for very short glyphs such as
+  // underscores, hyphens etc. or those with underlines rendered.
+  public currentRow: ICharAtlasActiveRow = {
+    x: 0,
+    y: 0,
+    height: 0
+  };
+  public readonly fixedRows: ICharAtlasActiveRow[] = [];
+
+  constructor(
+    document: Document,
+    size: number,
+    sourcePages?: AtlasPage[]
+  ) {
+    if (sourcePages) {
+      for (const p of sourcePages) {
+        this._glyphs.push(...p.glyphs);
+        this._usedPixels += p._usedPixels;
+      }
+    }
+    this.canvas = createCanvas(document, size, size);
+    // The canvas needs alpha because we use clearColor to convert the background color to alpha.
+    // It might also contain some characters with transparent backgrounds if allowTransparency is
+    // set.
+    this.ctx = throwIfFalsy(this.canvas.getContext('2d', { alpha: true }));
+  }
+
+  public clear(): void {
+    this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
+    this.currentRow.x = 0;
+    this.currentRow.y = 0;
+    this.currentRow.height = 0;
+    this.fixedRows.length = 0;
+    this.version++;
+  }
+}
+
+/**
+ * Makes a particular rgb color and colors that are nearly the same in an ImageData completely
+ * transparent.
+ * @returns True if the result is "empty", meaning all pixels are fully transparent.
+ */
+function clearColor(imageData: ImageData, bg: IColor, fg: IColor, enableThresholdCheck: boolean): boolean {
+  // Get color channels
+  const r = bg.rgba >>> 24;
+  const g = bg.rgba >>> 16 & 0xFF;
+  const b = bg.rgba >>> 8 & 0xFF;
+  const fgR = fg.rgba >>> 24;
+  const fgG = fg.rgba >>> 16 & 0xFF;
+  const fgB = fg.rgba >>> 8 & 0xFF;
+
+  // Calculate a threshold that when below a color will be treated as transpart when the sum of
+  // channel value differs. This helps improve rendering when glyphs overlap with others. This
+  // threshold is calculated relative to the difference between the background and foreground to
+  // ensure important details of the glyph are always shown, even when the contrast ratio is low.
+  // The number 12 is largely arbitrary to ensure the pixels that escape the cell in the test case
+  // were covered (fg=#8ae234, bg=#c4a000).
+  const threshold = Math.floor((Math.abs(r - fgR) + Math.abs(g - fgG) + Math.abs(b - fgB)) / 12);
+
+  // Set alpha channel of relevent pixels to 0
+  let isEmpty = true;
+  for (let offset = 0; offset < imageData.data.length; offset += 4) {
+    // Check exact match
+    if (imageData.data[offset] === r &&
+        imageData.data[offset + 1] === g &&
+        imageData.data[offset + 2] === b) {
+      imageData.data[offset + 3] = 0;
+    } else {
+      // Check the threshold based difference
+      if (enableThresholdCheck &&
+          (Math.abs(imageData.data[offset] - r) +
+          Math.abs(imageData.data[offset + 1] - g) +
+          Math.abs(imageData.data[offset + 2] - b)) < threshold) {
+        imageData.data[offset + 3] = 0;
+      } else {
+        isEmpty = false;
+      }
+    }
+  }
+
+  return isEmpty;
+}
+
+function checkCompletelyTransparent(imageData: ImageData): boolean {
+  for (let offset = 0; offset < imageData.data.length; offset += 4) {
+    if (imageData.data[offset + 3] > 0) {
+      return false;
+    }
+  }
+  return true;
+}
+
+function createCanvas(document: Document, width: number, height: number): HTMLCanvasElement {
+  const canvas = document.createElement('canvas');
+  canvas.width = width;
+  canvas.height = height;
+  return canvas;
+}
diff --git a/web/public/node_modules/xterm/src/browser/renderer/shared/Types.d.ts b/web/public/node_modules/xterm/src/browser/renderer/shared/Types.d.ts
new file mode 100644
index 000000000..a7e55e72c
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/renderer/shared/Types.d.ts
@@ -0,0 +1,173 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { FontWeight, Terminal } from 'xterm';
+import { IColorSet } from 'browser/Types';
+import { IDisposable } from 'common/Types';
+import { IEvent } from 'common/EventEmitter';
+
+export interface ICharAtlasConfig {
+  customGlyphs: boolean;
+  devicePixelRatio: number;
+  letterSpacing: number;
+  lineHeight: number;
+  fontSize: number;
+  fontFamily: string;
+  fontWeight: FontWeight;
+  fontWeightBold: FontWeight;
+  deviceCellWidth: number;
+  deviceCellHeight: number;
+  deviceCharWidth: number;
+  deviceCharHeight: number;
+  allowTransparency: boolean;
+  drawBoldTextInBrightColors: boolean;
+  minimumContrastRatio: number;
+  colors: IColorSet;
+}
+
+export interface IDimensions {
+  width: number;
+  height: number;
+}
+
+export interface IOffset {
+  top: number;
+  left: number;
+}
+
+export interface IRenderDimensions {
+  /**
+   * Dimensions measured in CSS pixels (ie. device pixels / device pixel ratio).
+   */
+  css: {
+    canvas: IDimensions;
+    cell: IDimensions;
+  };
+  /**
+   * Dimensions measured in actual pixels as rendered to the device.
+   */
+  device: {
+    canvas: IDimensions;
+    cell: IDimensions;
+    char: IDimensions & IOffset;
+  };
+}
+
+export interface IRequestRedrawEvent {
+  start: number;
+  end: number;
+}
+
+/**
+ * Note that IRenderer implementations should emit the refresh event after
+ * rendering rows to the screen.
+ */
+export interface IRenderer extends IDisposable {
+  readonly dimensions: IRenderDimensions;
+
+  /**
+   * Fires when the renderer is requesting to be redrawn on the next animation
+   * frame but is _not_ a result of content changing (eg. selection changes).
+   */
+  readonly onRequestRedraw: IEvent<IRequestRedrawEvent>;
+
+  dispose(): void;
+  handleDevicePixelRatioChange(): void;
+  handleResize(cols: number, rows: number): void;
+  handleCharSizeChanged(): void;
+  handleBlur(): void;
+  handleFocus(): void;
+  handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void;
+  handleCursorMove(): void;
+  clear(): void;
+  renderRows(start: number, end: number): void;
+  clearTextureAtlas?(): void;
+}
+
+export interface ITextureAtlas extends IDisposable {
+  readonly pages: { canvas: HTMLCanvasElement, version: number }[];
+
+  onAddTextureAtlasCanvas: IEvent<HTMLCanvasElement>;
+  onRemoveTextureAtlasCanvas: IEvent<HTMLCanvasElement>;
+
+  /**
+   * Warm up the texture atlas, adding common glyphs to avoid slowing early frame.
+   */
+  warmUp(): void;
+
+  /**
+   * Call when a frame is being drawn, this will return true if the atlas was cleared to make room
+   * for a new set of glyphs.
+   */
+  beginFrame(): boolean;
+
+  /**
+   * Clear all glyphs from the texture atlas.
+   */
+  clearTexture(): void;
+  getRasterizedGlyph(code: number, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph;
+  getRasterizedGlyphCombinedChar(chars: string, bg: number, fg: number, ext: number, restrictToCellHeight: boolean): IRasterizedGlyph;
+}
+
+/**
+ * Represents a rasterized glyph within a texture atlas. Some numbers are
+ * tracked in CSS pixels as well in order to reduce calculations during the
+ * render loop.
+ */
+export interface IRasterizedGlyph {
+  /**
+   * The x and y offset between the glyph's top/left and the top/left of a cell
+   * in pixels.
+   */
+  offset: IVector;
+  /**
+   * The index of the texture page that the glyph is on.
+   */
+  texturePage: number;
+  /**
+   * the x and y position of the glyph in the texture in pixels.
+   */
+  texturePosition: IVector;
+  /**
+   * the x and y position of the glyph in the texture in clip space coordinates.
+   */
+  texturePositionClipSpace: IVector;
+  /**
+   * The width and height of the glyph in the texture in pixels.
+   */
+  size: IVector;
+  /**
+   * The width and height of the glyph in the texture in clip space coordinates.
+   */
+  sizeClipSpace: IVector;
+}
+
+export interface IVector {
+  x: number;
+  y: number;
+}
+
+export interface IBoundingBox {
+  top: number;
+  left: number;
+  right: number;
+  bottom: number;
+}
+
+export interface ISelectionRenderModel {
+  readonly hasSelection: boolean;
+  readonly columnSelectMode: boolean;
+  readonly viewportStartRow: number;
+  readonly viewportEndRow: number;
+  readonly viewportCappedStartRow: number;
+  readonly viewportCappedEndRow: number;
+  readonly startCol: number;
+  readonly endCol: number;
+  readonly selectionStart: [number, number] | undefined;
+  readonly selectionEnd: [number, number] | undefined;
+  clear(): void;
+  update(terminal: Terminal, start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode?: boolean): void;
+  isCellSelected(terminal: Terminal, x: number, y: number): boolean;
+}
diff --git a/web/public/node_modules/xterm/src/browser/selection/SelectionModel.ts b/web/public/node_modules/xterm/src/browser/selection/SelectionModel.ts
new file mode 100644
index 000000000..b26cf944f
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/selection/SelectionModel.ts
@@ -0,0 +1,144 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferService } from 'common/services/Services';
+
+/**
+ * Represents a selection within the buffer. This model only cares about column
+ * and row coordinates, not wide characters.
+ */
+export class SelectionModel {
+  /**
+   * Whether select all is currently active.
+   */
+  public isSelectAllActive: boolean = false;
+
+  /**
+   * The minimal length of the selection from the start position. When double
+   * clicking on a word, the word will be selected which makes the selection
+   * start at the start of the word and makes this variable the length.
+   */
+  public selectionStartLength: number = 0;
+
+  /**
+   * The [x, y] position the selection starts at.
+   */
+  public selectionStart: [number, number] | undefined;
+
+  /**
+   * The [x, y] position the selection ends at.
+   */
+  public selectionEnd: [number, number] | undefined;
+
+  constructor(
+    private _bufferService: IBufferService
+  ) {
+  }
+
+  /**
+   * Clears the current selection.
+   */
+  public clearSelection(): void {
+    this.selectionStart = undefined;
+    this.selectionEnd = undefined;
+    this.isSelectAllActive = false;
+    this.selectionStartLength = 0;
+  }
+
+  /**
+   * The final selection start, taking into consideration select all.
+   */
+  public get finalSelectionStart(): [number, number] | undefined {
+    if (this.isSelectAllActive) {
+      return [0, 0];
+    }
+
+    if (!this.selectionEnd || !this.selectionStart) {
+      return this.selectionStart;
+    }
+
+    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;
+  }
+
+  /**
+   * The final selection end, taking into consideration select all, double click
+   * word selection and triple click line selection.
+   */
+  public get finalSelectionEnd(): [number, number] | undefined {
+    if (this.isSelectAllActive) {
+      return [this._bufferService.cols, this._bufferService.buffer.ybase + this._bufferService.rows - 1];
+    }
+
+    if (!this.selectionStart) {
+      return undefined;
+    }
+
+    // Use the selection start + length if the end doesn't exist or they're reversed
+    if (!this.selectionEnd || this.areSelectionValuesReversed()) {
+      const startPlusLength = this.selectionStart[0] + this.selectionStartLength;
+      if (startPlusLength > this._bufferService.cols) {
+        // Ensure the trailing EOL isn't included when the selection ends on the right edge
+        if (startPlusLength % this._bufferService.cols === 0) {
+          return [this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols) - 1];
+        }
+        return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];
+      }
+      return [startPlusLength, this.selectionStart[1]];
+    }
+
+    // Ensure the the word/line is selected after a double/triple click
+    if (this.selectionStartLength) {
+      // Select the larger of the two when start and end are on the same line
+      if (this.selectionEnd[1] === this.selectionStart[1]) {
+        // Keep the whole wrapped word/line selected if the content wraps multiple lines
+        const startPlusLength = this.selectionStart[0] + this.selectionStartLength;
+        if (startPlusLength > this._bufferService.cols) {
+          return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];
+        }
+        return [Math.max(startPlusLength, this.selectionEnd[0]), this.selectionEnd[1]];
+      }
+    }
+    return this.selectionEnd;
+  }
+
+  /**
+   * Returns whether the selection start and end are reversed.
+   */
+  public areSelectionValuesReversed(): boolean {
+    const start = this.selectionStart;
+    const end = this.selectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);
+  }
+
+  /**
+   * Handle the buffer being trimmed, adjust the selection position.
+   * @param amount The amount the buffer is being trimmed.
+   * @returns Whether a refresh is necessary.
+   */
+  public handleTrim(amount: number): boolean {
+    // Adjust the selection position based on the trimmed amount.
+    if (this.selectionStart) {
+      this.selectionStart[1] -= amount;
+    }
+    if (this.selectionEnd) {
+      this.selectionEnd[1] -= amount;
+    }
+
+    // The selection has moved off the buffer, clear it.
+    if (this.selectionEnd && this.selectionEnd[1] < 0) {
+      this.clearSelection();
+      return true;
+    }
+
+    // If the selection start is trimmed, ensure the start column is 0.
+    if (this.selectionStart && this.selectionStart[1] < 0) {
+      this.selectionStart[1] = 0;
+    }
+    return false;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/selection/Types.d.ts b/web/public/node_modules/xterm/src/browser/selection/Types.d.ts
new file mode 100644
index 000000000..8adfc17c4
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/selection/Types.d.ts
@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export interface ISelectionRedrawRequestEvent {
+  start: [number, number] | undefined;
+  end: [number, number] | undefined;
+  columnSelectMode: boolean;
+}
+
+export interface ISelectionRequestScrollLinesEvent {
+  amount: number;
+  suppressScrollEvent: boolean;
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/CharSizeService.ts b/web/public/node_modules/xterm/src/browser/services/CharSizeService.ts
new file mode 100644
index 000000000..614b9b300
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/CharSizeService.ts
@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IOptionsService } from 'common/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { ICharSizeService } from 'browser/services/Services';
+import { Disposable } from 'common/Lifecycle';
+
+
+const enum MeasureSettings {
+  REPEAT = 32
+}
+
+
+export class CharSizeService extends Disposable implements ICharSizeService {
+  public serviceBrand: undefined;
+
+  public width: number = 0;
+  public height: number = 0;
+  private _measureStrategy: IMeasureStrategy;
+
+  public get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }
+
+  private readonly _onCharSizeChange = this.register(new EventEmitter<void>());
+  public readonly onCharSizeChange = this._onCharSizeChange.event;
+
+  constructor(
+    document: Document,
+    parentElement: HTMLElement,
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+    this._measureStrategy = new DomMeasureStrategy(document, parentElement, this._optionsService);
+    this.register(this._optionsService.onMultipleOptionChange(['fontFamily', 'fontSize'], () => this.measure()));
+  }
+
+  public measure(): void {
+    const result = this._measureStrategy.measure();
+    if (result.width !== this.width || result.height !== this.height) {
+      this.width = result.width;
+      this.height = result.height;
+      this._onCharSizeChange.fire();
+    }
+  }
+}
+
+interface IMeasureStrategy {
+  measure(): IReadonlyMeasureResult;
+}
+
+interface IReadonlyMeasureResult {
+  readonly width: number;
+  readonly height: number;
+}
+
+interface IMeasureResult {
+  width: number;
+  height: number;
+}
+
+// TODO: For supporting browsers we should also provide a CanvasCharDimensionsProvider that uses
+// ctx.measureText
+class DomMeasureStrategy implements IMeasureStrategy {
+  private _result: IMeasureResult = { width: 0, height: 0 };
+  private _measureElement: HTMLElement;
+
+  constructor(
+    private _document: Document,
+    private _parentElement: HTMLElement,
+    private _optionsService: IOptionsService
+  ) {
+    this._measureElement = this._document.createElement('span');
+    this._measureElement.classList.add('xterm-char-measure-element');
+    this._measureElement.textContent = 'W'.repeat(MeasureSettings.REPEAT);
+    this._measureElement.setAttribute('aria-hidden', 'true');
+    this._measureElement.style.whiteSpace = 'pre';
+    this._measureElement.style.fontKerning = 'none';
+    this._parentElement.appendChild(this._measureElement);
+  }
+
+  public measure(): IReadonlyMeasureResult {
+    this._measureElement.style.fontFamily = this._optionsService.rawOptions.fontFamily;
+    this._measureElement.style.fontSize = `${this._optionsService.rawOptions.fontSize}px`;
+
+    // Note that this triggers a synchronous layout
+    const geometry = {
+      height: Number(this._measureElement.offsetHeight),
+      width: Number(this._measureElement.offsetWidth)
+    };
+
+    // If values are 0 then the element is likely currently display:none, in which case we should
+    // retain the previous value.
+    if (geometry.width !== 0 && geometry.height !== 0) {
+      this._result.width = geometry.width / MeasureSettings.REPEAT;
+      this._result.height = Math.ceil(geometry.height);
+    }
+
+    return this._result;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/CharacterJoinerService.ts b/web/public/node_modules/xterm/src/browser/services/CharacterJoinerService.ts
new file mode 100644
index 000000000..ca4f1984e
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/CharacterJoinerService.ts
@@ -0,0 +1,339 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferLine, ICellData, CharData } from 'common/Types';
+import { ICharacterJoiner } from 'browser/Types';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { WHITESPACE_CELL_CHAR, Content } from 'common/buffer/Constants';
+import { CellData } from 'common/buffer/CellData';
+import { IBufferService } from 'common/services/Services';
+import { ICharacterJoinerService } from 'browser/services/Services';
+
+export class JoinedCellData extends AttributeData implements ICellData {
+  private _width: number;
+  // .content carries no meaning for joined CellData, simply nullify it
+  // thus we have to overload all other .content accessors
+  public content: number = 0;
+  public fg: number;
+  public bg: number;
+  public combinedData: string = '';
+
+  constructor(firstCell: ICellData, chars: string, width: number) {
+    super();
+    this.fg = firstCell.fg;
+    this.bg = firstCell.bg;
+    this.combinedData = chars;
+    this._width = width;
+  }
+
+  public isCombined(): number {
+    // always mark joined cell data as combined
+    return Content.IS_COMBINED_MASK;
+  }
+
+  public getWidth(): number {
+    return this._width;
+  }
+
+  public getChars(): string {
+    return this.combinedData;
+  }
+
+  public getCode(): number {
+    // code always gets the highest possible fake codepoint (read as -1)
+    // this is needed as code is used by caches as identifier
+    return 0x1FFFFF;
+  }
+
+  public setFromCharData(value: CharData): void {
+    throw new Error('not implemented');
+  }
+
+  public getAsCharData(): CharData {
+    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];
+  }
+}
+
+export class CharacterJoinerService implements ICharacterJoinerService {
+  public serviceBrand: undefined;
+
+  private _characterJoiners: ICharacterJoiner[] = [];
+  private _nextCharacterJoinerId: number = 0;
+  private _workCell: CellData = new CellData();
+
+  constructor(
+    @IBufferService private _bufferService: IBufferService
+  ) { }
+
+  public register(handler: (text: string) => [number, number][]): number {
+    const joiner: ICharacterJoiner = {
+      id: this._nextCharacterJoinerId++,
+      handler
+    };
+
+    this._characterJoiners.push(joiner);
+    return joiner.id;
+  }
+
+  public deregister(joinerId: number): boolean {
+    for (let i = 0; i < this._characterJoiners.length; i++) {
+      if (this._characterJoiners[i].id === joinerId) {
+        this._characterJoiners.splice(i, 1);
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  public getJoinedCharacters(row: number): [number, number][] {
+    if (this._characterJoiners.length === 0) {
+      return [];
+    }
+
+    const line = this._bufferService.buffer.lines.get(row);
+    if (!line || line.length === 0) {
+      return [];
+    }
+
+    const ranges: [number, number][] = [];
+    const lineStr = line.translateToString(true);
+
+    // Because some cells can be represented by multiple javascript characters,
+    // we track the cell and the string indexes separately. This allows us to
+    // translate the string ranges we get from the joiners back into cell ranges
+    // for use when rendering
+    let rangeStartColumn = 0;
+    let currentStringIndex = 0;
+    let rangeStartStringIndex = 0;
+    let rangeAttrFG = line.getFg(0);
+    let rangeAttrBG = line.getBg(0);
+
+    for (let x = 0; x < line.getTrimmedLength(); x++) {
+      line.loadCell(x, this._workCell);
+
+      if (this._workCell.getWidth() === 0) {
+        // If this character is of width 0, skip it.
+        continue;
+      }
+
+      // End of range
+      if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {
+        // If we ended up with a sequence of more than one character,
+        // look for ranges to join.
+        if (x - rangeStartColumn > 1) {
+          const joinedRanges = this._getJoinedRanges(
+            lineStr,
+            rangeStartStringIndex,
+            currentStringIndex,
+            line,
+            rangeStartColumn
+          );
+          for (let i = 0; i < joinedRanges.length; i++) {
+            ranges.push(joinedRanges[i]);
+          }
+        }
+
+        // Reset our markers for a new range.
+        rangeStartColumn = x;
+        rangeStartStringIndex = currentStringIndex;
+        rangeAttrFG = this._workCell.fg;
+        rangeAttrBG = this._workCell.bg;
+      }
+
+      currentStringIndex += this._workCell.getChars().length || WHITESPACE_CELL_CHAR.length;
+    }
+
+    // Process any trailing ranges.
+    if (this._bufferService.cols - rangeStartColumn > 1) {
+      const joinedRanges = this._getJoinedRanges(
+        lineStr,
+        rangeStartStringIndex,
+        currentStringIndex,
+        line,
+        rangeStartColumn
+      );
+      for (let i = 0; i < joinedRanges.length; i++) {
+        ranges.push(joinedRanges[i]);
+      }
+    }
+
+    return ranges;
+  }
+
+  /**
+   * Given a segment of a line of text, find all ranges of text that should be
+   * joined in a single rendering unit. Ranges are internally converted to
+   * column ranges, rather than string ranges.
+   * @param line String representation of the full line of text
+   * @param startIndex Start position of the range to search in the string (inclusive)
+   * @param endIndex End position of the range to search in the string (exclusive)
+   */
+  private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {
+    const text = line.substring(startIndex, endIndex);
+    // At this point we already know that there is at least one joiner so
+    // we can just pull its value and assign it directly rather than
+    // merging it into an empty array, which incurs unnecessary writes.
+    let allJoinedRanges: [number, number][] = [];
+    try {
+      allJoinedRanges = this._characterJoiners[0].handler(text);
+    } catch (error) {
+      console.error(error);
+    }
+    for (let i = 1; i < this._characterJoiners.length; i++) {
+      // We merge any overlapping ranges across the different joiners
+      try {
+        const joinerRanges = this._characterJoiners[i].handler(text);
+        for (let j = 0; j < joinerRanges.length; j++) {
+          CharacterJoinerService._mergeRanges(allJoinedRanges, joinerRanges[j]);
+        }
+      } catch (error) {
+        console.error(error);
+      }
+    }
+    this._stringRangesToCellRanges(allJoinedRanges, lineData, startCol);
+    return allJoinedRanges;
+  }
+
+  /**
+   * Modifies the provided ranges in-place to adjust for variations between
+   * string length and cell width so that the range represents a cell range,
+   * rather than the string range the joiner provides.
+   * @param ranges String ranges containing start (inclusive) and end (exclusive) index
+   * @param line Cell data for the relevant line in the terminal
+   * @param startCol Offset within the line to start from
+   */
+  private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {
+    let currentRangeIndex = 0;
+    let currentRangeStarted = false;
+    let currentStringIndex = 0;
+    let currentRange = ranges[currentRangeIndex];
+
+    // If we got through all of the ranges, stop searching
+    if (!currentRange) {
+      return;
+    }
+
+    for (let x = startCol; x < this._bufferService.cols; x++) {
+      const width = line.getWidth(x);
+      const length = line.getString(x).length || WHITESPACE_CELL_CHAR.length;
+
+      // We skip zero-width characters when creating the string to join the text
+      // so we do the same here
+      if (width === 0) {
+        continue;
+      }
+
+      // Adjust the start of the range
+      if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {
+        currentRange[0] = x;
+        currentRangeStarted = true;
+      }
+
+      // Adjust the end of the range
+      if (currentRange[1] <= currentStringIndex) {
+        currentRange[1] = x;
+
+        // We're finished with this range, so we move to the next one
+        currentRange = ranges[++currentRangeIndex];
+
+        // If there are no more ranges left, stop searching
+        if (!currentRange) {
+          break;
+        }
+
+        // Ranges can be on adjacent characters. Because the end index of the
+        // ranges are exclusive, this means that the index for the start of a
+        // range can be the same as the end index of the previous range. To
+        // account for the start of the next range, we check here just in case.
+        if (currentRange[0] <= currentStringIndex) {
+          currentRange[0] = x;
+          currentRangeStarted = true;
+        } else {
+          currentRangeStarted = false;
+        }
+      }
+
+      // Adjust the string index based on the character length to line up with
+      // the column adjustment
+      currentStringIndex += length;
+    }
+
+    // If there is still a range left at the end, it must extend all the way to
+    // the end of the line.
+    if (currentRange) {
+      currentRange[1] = this._bufferService.cols;
+    }
+  }
+
+  /**
+   * Merges the range defined by the provided start and end into the list of
+   * existing ranges. The merge is done in place on the existing range for
+   * performance and is also returned.
+   * @param ranges Existing range list
+   * @param newRange Tuple of two numbers representing the new range to merge in.
+   * @returns The ranges input with the new range merged in place
+   */
+  private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {
+    let inRange = false;
+    for (let i = 0; i < ranges.length; i++) {
+      const range = ranges[i];
+      if (!inRange) {
+        if (newRange[1] <= range[0]) {
+          // Case 1: New range is before the search range
+          ranges.splice(i, 0, newRange);
+          return ranges;
+        }
+
+        if (newRange[1] <= range[1]) {
+          // Case 2: New range is either wholly contained within the
+          // search range or overlaps with the front of it
+          range[0] = Math.min(newRange[0], range[0]);
+          return ranges;
+        }
+
+        if (newRange[0] < range[1]) {
+          // Case 3: New range either wholly contains the search range
+          // or overlaps with the end of it
+          range[0] = Math.min(newRange[0], range[0]);
+          inRange = true;
+        }
+
+        // Case 4: New range starts after the search range
+        continue;
+      } else {
+        if (newRange[1] <= range[0]) {
+          // Case 5: New range extends from previous range but doesn't
+          // reach the current one
+          ranges[i - 1][1] = newRange[1];
+          return ranges;
+        }
+
+        if (newRange[1] <= range[1]) {
+          // Case 6: New range extends from prvious range into the
+          // current range
+          ranges[i - 1][1] = Math.max(newRange[1], range[1]);
+          ranges.splice(i, 1);
+          return ranges;
+        }
+
+        // Case 7: New range extends from previous range past the
+        // end of the current range
+        ranges.splice(i, 1);
+        i--;
+      }
+    }
+
+    if (inRange) {
+      // Case 8: New range extends past the last existing range
+      ranges[ranges.length - 1][1] = newRange[1];
+    } else {
+      // Case 9: New range starts after the last existing range
+      ranges.push(newRange);
+    }
+
+    return ranges;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/CoreBrowserService.ts b/web/public/node_modules/xterm/src/browser/services/CoreBrowserService.ts
new file mode 100644
index 000000000..e992f2554
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/CoreBrowserService.ts
@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICoreBrowserService } from './Services';
+
+export class CoreBrowserService implements ICoreBrowserService {
+  public serviceBrand: undefined;
+
+  private _isFocused = false;
+  private _cachedIsFocused: boolean | undefined = undefined;
+
+  constructor(
+    private _textarea: HTMLTextAreaElement,
+    public readonly window: Window & typeof globalThis
+  ) {
+    this._textarea.addEventListener('focus', () => this._isFocused = true);
+    this._textarea.addEventListener('blur', () => this._isFocused = false);
+  }
+
+  public get dpr(): number {
+    return this.window.devicePixelRatio;
+  }
+
+  public get isFocused(): boolean {
+    if (this._cachedIsFocused === undefined) {
+      this._cachedIsFocused = this._isFocused && this._textarea.ownerDocument.hasFocus();
+      queueMicrotask(() => this._cachedIsFocused = undefined);
+    }
+    return this._cachedIsFocused;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/MouseService.ts b/web/public/node_modules/xterm/src/browser/services/MouseService.ts
new file mode 100644
index 000000000..664d845e2
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/MouseService.ts
@@ -0,0 +1,46 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharSizeService, IRenderService, IMouseService } from './Services';
+import { getCoords, getCoordsRelativeToElement } from 'browser/input/Mouse';
+
+export class MouseService implements IMouseService {
+  public serviceBrand: undefined;
+
+  constructor(
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService
+  ) {
+  }
+
+  public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined {
+    return getCoords(
+      window,
+      event,
+      element,
+      colCount,
+      rowCount,
+      this._charSizeService.hasValidSize,
+      this._renderService.dimensions.css.cell.width,
+      this._renderService.dimensions.css.cell.height,
+      isSelection
+    );
+  }
+
+  public getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined {
+    const coords = getCoordsRelativeToElement(window, event, element);
+    if (!this._charSizeService.hasValidSize) {
+      return undefined;
+    }
+    coords[0] = Math.min(Math.max(coords[0], 0), this._renderService.dimensions.css.canvas.width - 1);
+    coords[1] = Math.min(Math.max(coords[1], 0), this._renderService.dimensions.css.canvas.height - 1);
+    return {
+      col: Math.floor(coords[0] / this._renderService.dimensions.css.cell.width),
+      row: Math.floor(coords[1] / this._renderService.dimensions.css.cell.height),
+      x: Math.floor(coords[0]),
+      y: Math.floor(coords[1])
+    };
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/RenderService.ts b/web/public/node_modules/xterm/src/browser/services/RenderService.ts
new file mode 100644
index 000000000..0f18a233e
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/RenderService.ts
@@ -0,0 +1,284 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { addDisposableDomListener } from 'browser/Lifecycle';
+import { RenderDebouncer } from 'browser/RenderDebouncer';
+import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
+import { IRenderDebouncerWithCallback } from 'browser/Types';
+import { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';
+import { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, MutableDisposable } from 'common/Lifecycle';
+import { DebouncedIdleTask } from 'common/TaskQueue';
+import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
+
+interface ISelectionState {
+  start: [number, number] | undefined;
+  end: [number, number] | undefined;
+  columnSelectMode: boolean;
+}
+
+export class RenderService extends Disposable implements IRenderService {
+  public serviceBrand: undefined;
+
+  private _renderer: MutableDisposable<IRenderer> = this.register(new MutableDisposable());
+  private _renderDebouncer: IRenderDebouncerWithCallback;
+  private _screenDprMonitor: ScreenDprMonitor;
+  private _pausedResizeTask = new DebouncedIdleTask();
+
+  private _isPaused: boolean = false;
+  private _needsFullRefresh: boolean = false;
+  private _isNextRenderRedrawOnly: boolean = true;
+  private _needsSelectionRefresh: boolean = false;
+  private _canvasWidth: number = 0;
+  private _canvasHeight: number = 0;
+  private _selectionState: ISelectionState = {
+    start: undefined,
+    end: undefined,
+    columnSelectMode: false
+  };
+
+  private readonly _onDimensionsChange = this.register(new EventEmitter<IRenderDimensions>());
+  public readonly onDimensionsChange =  this._onDimensionsChange.event;
+  private readonly _onRenderedViewportChange = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRenderedViewportChange = this._onRenderedViewportChange.event;
+  private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRender = this._onRender.event;
+  private readonly _onRefreshRequest = this.register(new EventEmitter<{ start: number, end: number }>());
+  public readonly onRefreshRequest = this._onRefreshRequest.event;
+
+  public get dimensions(): IRenderDimensions { return this._renderer.value!.dimensions; }
+
+  constructor(
+    private _rowCount: number,
+    screenElement: HTMLElement,
+    @IOptionsService optionsService: IOptionsService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IDecorationService decorationService: IDecorationService,
+    @IBufferService bufferService: IBufferService,
+    @ICoreBrowserService coreBrowserService: ICoreBrowserService,
+    @IThemeService themeService: IThemeService
+  ) {
+    super();
+
+    this._renderDebouncer = new RenderDebouncer(coreBrowserService.window, (start, end) => this._renderRows(start, end));
+    this.register(this._renderDebouncer);
+
+    this._screenDprMonitor = new ScreenDprMonitor(coreBrowserService.window);
+    this._screenDprMonitor.setListener(() => this.handleDevicePixelRatioChange());
+    this.register(this._screenDprMonitor);
+
+    this.register(bufferService.onResize(() => this._fullRefresh()));
+    this.register(bufferService.buffers.onBufferActivate(() => this._renderer.value?.clear()));
+    this.register(optionsService.onOptionChange(() => this._handleOptionsChanged()));
+    this.register(this._charSizeService.onCharSizeChange(() => this.handleCharSizeChanged()));
+
+    // Do a full refresh whenever any decoration is added or removed. This may not actually result
+    // in changes but since decorations should be used sparingly or added/removed all in the same
+    // frame this should have minimal performance impact.
+    this.register(decorationService.onDecorationRegistered(() => this._fullRefresh()));
+    this.register(decorationService.onDecorationRemoved(() => this._fullRefresh()));
+
+    // Clear the renderer when the a change that could affect glyphs occurs
+    this.register(optionsService.onMultipleOptionChange([
+      'customGlyphs',
+      'drawBoldTextInBrightColors',
+      'letterSpacing',
+      'lineHeight',
+      'fontFamily',
+      'fontSize',
+      'fontWeight',
+      'fontWeightBold',
+      'minimumContrastRatio'
+    ], () => {
+      this.clear();
+      this.handleResize(bufferService.cols, bufferService.rows);
+      this._fullRefresh();
+    }));
+
+    // Refresh the cursor line when the cursor changes
+    this.register(optionsService.onMultipleOptionChange([
+      'cursorBlink',
+      'cursorStyle'
+    ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, true)));
+
+    // dprchange should handle this case, we need this as well for browsers that don't support the
+    // matchMedia query.
+    this.register(addDisposableDomListener(coreBrowserService.window, 'resize', () => this.handleDevicePixelRatioChange()));
+
+    this.register(themeService.onChangeColors(() => this._fullRefresh()));
+
+    // Detect whether IntersectionObserver is detected and enable renderer pause
+    // and resume based on terminal visibility if so
+    if ('IntersectionObserver' in coreBrowserService.window) {
+      const observer = new coreBrowserService.window.IntersectionObserver(e => this._handleIntersectionChange(e[e.length - 1]), { threshold: 0 });
+      observer.observe(screenElement);
+      this.register({ dispose: () => observer.disconnect() });
+    }
+  }
+
+  private _handleIntersectionChange(entry: IntersectionObserverEntry): void {
+    this._isPaused = entry.isIntersecting === undefined ? (entry.intersectionRatio === 0) : !entry.isIntersecting;
+
+    // Terminal was hidden on open
+    if (!this._isPaused && !this._charSizeService.hasValidSize) {
+      this._charSizeService.measure();
+    }
+
+    if (!this._isPaused && this._needsFullRefresh) {
+      this._pausedResizeTask.flush();
+      this.refreshRows(0, this._rowCount - 1);
+      this._needsFullRefresh = false;
+    }
+  }
+
+  public refreshRows(start: number, end: number, isRedrawOnly: boolean = false): void {
+    if (this._isPaused) {
+      this._needsFullRefresh = true;
+      return;
+    }
+    if (!isRedrawOnly) {
+      this._isNextRenderRedrawOnly = false;
+    }
+    this._renderDebouncer.refresh(start, end, this._rowCount);
+  }
+
+  private _renderRows(start: number, end: number): void {
+    if (!this._renderer.value) {
+      return;
+    }
+
+    // Since this is debounced, a resize event could have happened between the time a refresh was
+    // requested and when this triggers. Clamp the values of start and end to ensure they're valid
+    // given the current viewport state.
+    start = Math.min(start, this._rowCount - 1);
+    end = Math.min(end, this._rowCount - 1);
+
+    // Render
+    this._renderer.value.renderRows(start, end);
+
+    // Update selection if needed
+    if (this._needsSelectionRefresh) {
+      this._renderer.value.handleSelectionChanged(this._selectionState.start, this._selectionState.end, this._selectionState.columnSelectMode);
+      this._needsSelectionRefresh = false;
+    }
+
+    // Fire render event only if it was not a redraw
+    if (!this._isNextRenderRedrawOnly) {
+      this._onRenderedViewportChange.fire({ start, end });
+    }
+    this._onRender.fire({ start, end });
+    this._isNextRenderRedrawOnly = true;
+  }
+
+  public resize(cols: number, rows: number): void {
+    this._rowCount = rows;
+    this._fireOnCanvasResize();
+  }
+
+  private _handleOptionsChanged(): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    this.refreshRows(0, this._rowCount - 1);
+    this._fireOnCanvasResize();
+  }
+
+  private _fireOnCanvasResize(): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    // Don't fire the event if the dimensions haven't changed
+    if (this._renderer.value.dimensions.css.canvas.width === this._canvasWidth && this._renderer.value.dimensions.css.canvas.height === this._canvasHeight) {
+      return;
+    }
+    this._onDimensionsChange.fire(this._renderer.value.dimensions);
+  }
+
+  public hasRenderer(): boolean {
+    return !!this._renderer.value;
+  }
+
+  public setRenderer(renderer: IRenderer): void {
+    this._renderer.value = renderer;
+    this._renderer.value.onRequestRedraw(e => this.refreshRows(e.start, e.end, true));
+
+    // Force a refresh
+    this._needsSelectionRefresh = true;
+    this._fullRefresh();
+  }
+
+  public addRefreshCallback(callback: FrameRequestCallback): number {
+    return this._renderDebouncer.addRefreshCallback(callback);
+  }
+
+  private _fullRefresh(): void {
+    if (this._isPaused) {
+      this._needsFullRefresh = true;
+    } else {
+      this.refreshRows(0, this._rowCount - 1);
+    }
+  }
+
+  public clearTextureAtlas(): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    this._renderer.value.clearTextureAtlas?.();
+    this._fullRefresh();
+  }
+
+  public handleDevicePixelRatioChange(): void {
+    // Force char size measurement as DomMeasureStrategy(getBoundingClientRect) is not stable
+    // when devicePixelRatio changes
+    this._charSizeService.measure();
+
+    if (!this._renderer.value) {
+      return;
+    }
+    this._renderer.value.handleDevicePixelRatioChange();
+    this.refreshRows(0, this._rowCount - 1);
+  }
+
+  public handleResize(cols: number, rows: number): void {
+    if (!this._renderer.value) {
+      return;
+    }
+    if (this._isPaused) {
+      this._pausedResizeTask.set(() => this._renderer.value!.handleResize(cols, rows));
+    } else {
+      this._renderer.value.handleResize(cols, rows);
+    }
+    this._fullRefresh();
+  }
+
+  // TODO: Is this useful when we have onResize?
+  public handleCharSizeChanged(): void {
+    this._renderer.value?.handleCharSizeChanged();
+  }
+
+  public handleBlur(): void {
+    this._renderer.value?.handleBlur();
+  }
+
+  public handleFocus(): void {
+    this._renderer.value?.handleFocus();
+  }
+
+  public handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void {
+    this._selectionState.start = start;
+    this._selectionState.end = end;
+    this._selectionState.columnSelectMode = columnSelectMode;
+    this._renderer.value?.handleSelectionChanged(start, end, columnSelectMode);
+  }
+
+  public handleCursorMove(): void {
+    this._renderer.value?.handleCursorMove();
+  }
+
+  public clear(): void {
+    this._renderer.value?.clear();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/SelectionService.ts b/web/public/node_modules/xterm/src/browser/services/SelectionService.ts
new file mode 100644
index 000000000..e6a14cb67
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/SelectionService.ts
@@ -0,0 +1,1029 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferRange, ILinkifier2 } from 'browser/Types';
+import { getCoordsRelativeToElement } from 'browser/input/Mouse';
+import { moveToCellSequence } from 'browser/input/MoveToCell';
+import { SelectionModel } from 'browser/selection/SelectionModel';
+import { ISelectionRedrawRequestEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';
+import { ICoreBrowserService, IMouseService, IRenderService, ISelectionService } from 'browser/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import * as Browser from 'common/Platform';
+import { IBufferLine, IDisposable } from 'common/Types';
+import { getRangeLength } from 'common/buffer/BufferRange';
+import { CellData } from 'common/buffer/CellData';
+import { IBuffer } from 'common/buffer/Types';
+import { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';
+
+/**
+ * The number of pixels the mouse needs to be above or below the viewport in
+ * order to scroll at the maximum speed.
+ */
+const DRAG_SCROLL_MAX_THRESHOLD = 50;
+
+/**
+ * The maximum scrolling speed
+ */
+const DRAG_SCROLL_MAX_SPEED = 15;
+
+/**
+ * The number of milliseconds between drag scroll updates.
+ */
+const DRAG_SCROLL_INTERVAL = 50;
+
+/**
+ * The maximum amount of time that can have elapsed for an alt click to move the
+ * cursor.
+ */
+const ALT_CLICK_MOVE_CURSOR_TIME = 500;
+
+const NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
+const ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
+
+/**
+ * Represents a position of a word on a line.
+ */
+interface IWordPosition {
+  start: number;
+  length: number;
+}
+
+/**
+ * A selection mode, this drives how the selection behaves on mouse move.
+ */
+export const enum SelectionMode {
+  NORMAL,
+  WORD,
+  LINE,
+  COLUMN
+}
+
+/**
+ * A class that manages the selection of the terminal. With help from
+ * SelectionModel, SelectionService handles with all logic associated with
+ * dealing with the selection, including handling mouse interaction, wide
+ * characters and fetching the actual text within the selection. Rendering is
+ * not handled by the SelectionService but the onRedrawRequest event is fired
+ * when the selection is ready to be redrawn (on an animation frame).
+ */
+export class SelectionService extends Disposable implements ISelectionService {
+  public serviceBrand: undefined;
+
+  protected _model: SelectionModel;
+
+  /**
+   * The amount to scroll every drag scroll update (depends on how far the mouse
+   * drag is above or below the terminal).
+   */
+  private _dragScrollAmount: number = 0;
+
+  /**
+   * The current selection mode.
+   */
+  protected _activeSelectionMode: SelectionMode;
+
+  /**
+   * A setInterval timer that is active while the mouse is down whose callback
+   * scrolls the viewport when necessary.
+   */
+  private _dragScrollIntervalTimer: number | undefined;
+
+  /**
+   * The animation frame ID used for refreshing the selection.
+   */
+  private _refreshAnimationFrame: number | undefined;
+
+  /**
+   * Whether selection is enabled.
+   */
+  private _enabled = true;
+
+  private _mouseMoveListener: EventListener;
+  private _mouseUpListener: EventListener;
+  private _trimListener: IDisposable;
+  private _workCell: CellData = new CellData();
+
+  private _mouseDownTimeStamp: number = 0;
+  private _oldHasSelection: boolean = false;
+  private _oldSelectionStart: [number, number] | undefined = undefined;
+  private _oldSelectionEnd: [number, number] | undefined = undefined;
+
+  private readonly _onLinuxMouseSelection = this.register(new EventEmitter<string>());
+  public readonly onLinuxMouseSelection = this._onLinuxMouseSelection.event;
+  private readonly _onRedrawRequest = this.register(new EventEmitter<ISelectionRedrawRequestEvent>());
+  public readonly onRequestRedraw = this._onRedrawRequest.event;
+  private readonly _onSelectionChange = this.register(new EventEmitter<void>());
+  public readonly onSelectionChange = this._onSelectionChange.event;
+  private readonly _onRequestScrollLines = this.register(new EventEmitter<ISelectionRequestScrollLinesEvent>());
+  public readonly onRequestScrollLines = this._onRequestScrollLines.event;
+
+  constructor(
+    private readonly _element: HTMLElement,
+    private readonly _screenElement: HTMLElement,
+    private readonly _linkifier: ILinkifier2,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IMouseService private readonly _mouseService: IMouseService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService
+  ) {
+    super();
+
+    // Init listeners
+    this._mouseMoveListener = event => this._handleMouseMove(event as MouseEvent);
+    this._mouseUpListener = event => this._handleMouseUp(event as MouseEvent);
+    this._coreService.onUserInput(() => {
+      if (this.hasSelection) {
+        this.clearSelection();
+      }
+    });
+    this._trimListener = this._bufferService.buffer.lines.onTrim(amount => this._handleTrim(amount));
+    this.register(this._bufferService.buffers.onBufferActivate(e => this._handleBufferActivate(e)));
+
+    this.enable();
+
+    this._model = new SelectionModel(this._bufferService);
+    this._activeSelectionMode = SelectionMode.NORMAL;
+
+    this.register(toDisposable(() => {
+      this._removeMouseDownListeners();
+    }));
+  }
+
+  public reset(): void {
+    this.clearSelection();
+  }
+
+  /**
+   * Disables the selection manager. This is useful for when terminal mouse
+   * are enabled.
+   */
+  public disable(): void {
+    this.clearSelection();
+    this._enabled = false;
+  }
+
+  /**
+   * Enable the selection manager.
+   */
+  public enable(): void {
+    this._enabled = true;
+  }
+
+  public get selectionStart(): [number, number] | undefined { return this._model.finalSelectionStart; }
+  public get selectionEnd(): [number, number] | undefined { return this._model.finalSelectionEnd; }
+
+  /**
+   * Gets whether there is an active text selection.
+   */
+  public get hasSelection(): boolean {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    return start[0] !== end[0] || start[1] !== end[1];
+  }
+
+  /**
+   * Gets the text currently selected.
+   */
+  public get selectionText(): string {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    if (!start || !end) {
+      return '';
+    }
+
+    const buffer = this._bufferService.buffer;
+    const result: string[] = [];
+
+    if (this._activeSelectionMode === SelectionMode.COLUMN) {
+      // Ignore zero width selections
+      if (start[0] === end[0]) {
+        return '';
+      }
+
+      // For column selection it's not enough to rely on final selection's swapping of reversed
+      // values, it also needs the x coordinates to swap independently of the y coordinate is needed
+      const startCol = start[0] < end[0] ? start[0] : end[0];
+      const endCol = start[0] < end[0] ? end[0] : start[0];
+      for (let i = start[1]; i <= end[1]; i++) {
+        const lineText = buffer.translateBufferLineToString(i, true, startCol, endCol);
+        result.push(lineText);
+      }
+    } else {
+      // Get first row
+      const startRowEndCol = start[1] === end[1] ? end[0] : undefined;
+      result.push(buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));
+
+      // Get middle rows
+      for (let i = start[1] + 1; i <= end[1] - 1; i++) {
+        const bufferLine = buffer.lines.get(i);
+        const lineText = buffer.translateBufferLineToString(i, true);
+        if (bufferLine?.isWrapped) {
+          result[result.length - 1] += lineText;
+        } else {
+          result.push(lineText);
+        }
+      }
+
+      // Get final row
+      if (start[1] !== end[1]) {
+        const bufferLine = buffer.lines.get(end[1]);
+        const lineText = buffer.translateBufferLineToString(end[1], true, 0, end[0]);
+        if (bufferLine && bufferLine!.isWrapped) {
+          result[result.length - 1] += lineText;
+        } else {
+          result.push(lineText);
+        }
+      }
+    }
+
+    // Format string by replacing non-breaking space chars with regular spaces
+    // and joining the array into a multi-line string.
+    const formattedResult = result.map(line => {
+      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
+    }).join(Browser.isWindows ? '\r\n' : '\n');
+
+    return formattedResult;
+  }
+
+  /**
+   * Clears the current terminal selection.
+   */
+  public clearSelection(): void {
+    this._model.clearSelection();
+    this._removeMouseDownListeners();
+    this.refresh();
+    this._onSelectionChange.fire();
+  }
+
+  /**
+   * Queues a refresh, redrawing the selection on the next opportunity.
+   * @param isLinuxMouseSelection Whether the selection should be registered as a new
+   * selection on Linux.
+   */
+  public refresh(isLinuxMouseSelection?: boolean): void {
+    // Queue the refresh for the renderer
+    if (!this._refreshAnimationFrame) {
+      this._refreshAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => this._refresh());
+    }
+
+    // If the platform is Linux and the refresh call comes from a mouse event,
+    // we need to update the selection for middle click to paste selection.
+    if (Browser.isLinux && isLinuxMouseSelection) {
+      const selectionText = this.selectionText;
+      if (selectionText.length) {
+        this._onLinuxMouseSelection.fire(this.selectionText);
+      }
+    }
+  }
+
+  /**
+   * Fires the refresh event, causing consumers to pick it up and redraw the
+   * selection state.
+   */
+  private _refresh(): void {
+    this._refreshAnimationFrame = undefined;
+    this._onRedrawRequest.fire({
+      start: this._model.finalSelectionStart,
+      end: this._model.finalSelectionEnd,
+      columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN
+    });
+  }
+
+  /**
+   * Checks if the current click was inside the current selection
+   * @param event The mouse event
+   */
+  private _isClickInSelection(event: MouseEvent): boolean {
+    const coords = this._getMouseBufferCoords(event);
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+
+    if (!start || !end || !coords) {
+      return false;
+    }
+
+    return this._areCoordsInSelection(coords, start, end);
+  }
+
+  public isCellInSelection(x: number, y: number): boolean {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    if (!start || !end) {
+      return false;
+    }
+    return this._areCoordsInSelection([x, y], start, end);
+  }
+
+  protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {
+    return (coords[1] > start[1] && coords[1] < end[1]) ||
+        (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||
+        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||
+        (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);
+  }
+
+  /**
+   * Selects word at the current mouse event coordinates.
+   * @param event The mouse event.
+   */
+  private _selectWordAtCursor(event: MouseEvent, allowWhitespaceOnlySelection: boolean): boolean {
+    // Check if there is a link under the cursor first and select that if so
+    const range = this._linkifier.currentLink?.link?.range;
+    if (range) {
+      this._model.selectionStart = [range.start.x - 1, range.start.y - 1];
+      this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);
+      this._model.selectionEnd = undefined;
+      return true;
+    }
+
+    const coords = this._getMouseBufferCoords(event);
+    if (coords) {
+      this._selectWordAt(coords, allowWhitespaceOnlySelection);
+      this._model.selectionEnd = undefined;
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Selects all text within the terminal.
+   */
+  public selectAll(): void {
+    this._model.isSelectAllActive = true;
+    this.refresh();
+    this._onSelectionChange.fire();
+  }
+
+  public selectLines(start: number, end: number): void {
+    this._model.clearSelection();
+    start = Math.max(start, 0);
+    end = Math.min(end, this._bufferService.buffer.lines.length - 1);
+    this._model.selectionStart = [0, start];
+    this._model.selectionEnd = [this._bufferService.cols, end];
+    this.refresh();
+    this._onSelectionChange.fire();
+  }
+
+  /**
+   * Handle the buffer being trimmed, adjust the selection position.
+   * @param amount The amount the buffer is being trimmed.
+   */
+  private _handleTrim(amount: number): void {
+    const needsRefresh = this._model.handleTrim(amount);
+    if (needsRefresh) {
+      this.refresh();
+    }
+  }
+
+  /**
+   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.
+   * @param event The mouse event.
+   */
+  private _getMouseBufferCoords(event: MouseEvent): [number, number] | undefined {
+    const coords = this._mouseService.getCoords(event, this._screenElement, this._bufferService.cols, this._bufferService.rows, true);
+    if (!coords) {
+      return undefined;
+    }
+
+    // Convert to 0-based
+    coords[0]--;
+    coords[1]--;
+
+    // Convert viewport coords to buffer coords
+    coords[1] += this._bufferService.buffer.ydisp;
+    return coords;
+  }
+
+  /**
+   * Gets the amount the viewport should be scrolled based on how far out of the
+   * terminal the mouse is.
+   * @param event The mouse event.
+   */
+  private _getMouseEventScrollAmount(event: MouseEvent): number {
+    let offset = getCoordsRelativeToElement(this._coreBrowserService.window, event, this._screenElement)[1];
+    const terminalHeight = this._renderService.dimensions.css.canvas.height;
+    if (offset >= 0 && offset <= terminalHeight) {
+      return 0;
+    }
+    if (offset > terminalHeight) {
+      offset -= terminalHeight;
+    }
+
+    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);
+    offset /= DRAG_SCROLL_MAX_THRESHOLD;
+    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));
+  }
+
+  /**
+   * Returns whether the selection manager should force selection, regardless of
+   * whether the terminal is in mouse events mode.
+   * @param event The mouse event.
+   */
+  public shouldForceSelection(event: MouseEvent): boolean {
+    if (Browser.isMac) {
+      return event.altKey && this._optionsService.rawOptions.macOptionClickForcesSelection;
+    }
+
+    return event.shiftKey;
+  }
+
+  /**
+   * Handles te mousedown event, setting up for a new selection.
+   * @param event The mousedown event.
+   */
+  public handleMouseDown(event: MouseEvent): void {
+    this._mouseDownTimeStamp = event.timeStamp;
+    // If we have selection, we want the context menu on right click even if the
+    // terminal is in mouse mode.
+    if (event.button === 2 && this.hasSelection) {
+      return;
+    }
+
+    // Only action the primary button
+    if (event.button !== 0) {
+      return;
+    }
+
+    // Allow selection when using a specific modifier key, even when disabled
+    if (!this._enabled) {
+      if (!this.shouldForceSelection(event)) {
+        return;
+      }
+
+      // Don't send the mouse down event to the current process, we want to select
+      event.stopPropagation();
+    }
+
+    // Tell the browser not to start a regular selection
+    event.preventDefault();
+
+    // Reset drag scroll state
+    this._dragScrollAmount = 0;
+
+    if (this._enabled && event.shiftKey) {
+      this._handleIncrementalClick(event);
+    } else {
+      if (event.detail === 1) {
+        this._handleSingleClick(event);
+      } else if (event.detail === 2) {
+        this._handleDoubleClick(event);
+      } else if (event.detail === 3) {
+        this._handleTripleClick(event);
+      }
+    }
+
+    this._addMouseDownListeners();
+    this.refresh(true);
+  }
+
+  /**
+   * Adds listeners when mousedown is triggered.
+   */
+  private _addMouseDownListeners(): void {
+    // Listen on the document so that dragging outside of viewport works
+    if (this._screenElement.ownerDocument) {
+      this._screenElement.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);
+      this._screenElement.ownerDocument.addEventListener('mouseup', this._mouseUpListener);
+    }
+    this._dragScrollIntervalTimer = this._coreBrowserService.window.setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);
+  }
+
+  /**
+   * Removes the listeners that are registered when mousedown is triggered.
+   */
+  private _removeMouseDownListeners(): void {
+    if (this._screenElement.ownerDocument) {
+      this._screenElement.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
+      this._screenElement.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
+    }
+    this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer);
+    this._dragScrollIntervalTimer = undefined;
+  }
+
+  /**
+   * Performs an incremental click, setting the selection end position to the mouse
+   * position.
+   * @param event The mouse event.
+   */
+  private _handleIncrementalClick(event: MouseEvent): void {
+    if (this._model.selectionStart) {
+      this._model.selectionEnd = this._getMouseBufferCoords(event);
+    }
+  }
+
+  /**
+   * Performs a single click, resetting relevant state and setting the selection
+   * start position.
+   * @param event The mouse event.
+   */
+  private _handleSingleClick(event: MouseEvent): void {
+    this._model.selectionStartLength = 0;
+    this._model.isSelectAllActive = false;
+    this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;
+
+    // Initialize the new selection
+    this._model.selectionStart = this._getMouseBufferCoords(event);
+    if (!this._model.selectionStart) {
+      return;
+    }
+    this._model.selectionEnd = undefined;
+
+    // Ensure the line exists
+    const line = this._bufferService.buffer.lines.get(this._model.selectionStart[1]);
+    if (!line) {
+      return;
+    }
+
+    // Return early if the click event is not in the buffer (eg. in scroll bar)
+    if (line.length === this._model.selectionStart[0]) {
+      return;
+    }
+
+    // If the mouse is over the second half of a wide character, adjust the
+    // selection to cover the whole character
+    if (line.hasWidth(this._model.selectionStart[0]) === 0) {
+      this._model.selectionStart[0]++;
+    }
+  }
+
+  /**
+   * Performs a double click, selecting the current word.
+   * @param event The mouse event.
+   */
+  private _handleDoubleClick(event: MouseEvent): void {
+    if (this._selectWordAtCursor(event, true)) {
+      this._activeSelectionMode = SelectionMode.WORD;
+    }
+  }
+
+  /**
+   * Performs a triple click, selecting the current line and activating line
+   * select mode.
+   * @param event The mouse event.
+   */
+  private _handleTripleClick(event: MouseEvent): void {
+    const coords = this._getMouseBufferCoords(event);
+    if (coords) {
+      this._activeSelectionMode = SelectionMode.LINE;
+      this._selectLineAt(coords[1]);
+    }
+  }
+
+  /**
+   * Returns whether the selection manager should operate in column select mode
+   * @param event the mouse or keyboard event
+   */
+  public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {
+    return event.altKey && !(Browser.isMac && this._optionsService.rawOptions.macOptionClickForcesSelection);
+  }
+
+  /**
+   * Handles the mousemove event when the mouse button is down, recording the
+   * end of the selection and refreshing the selection.
+   * @param event The mousemove event.
+   */
+  private _handleMouseMove(event: MouseEvent): void {
+    // If the mousemove listener is active it means that a selection is
+    // currently being made, we should stop propagation to prevent mouse events
+    // to be sent to the pty.
+    event.stopImmediatePropagation();
+
+    // Do nothing if there is no selection start, this can happen if the first
+    // click in the terminal is an incremental click
+    if (!this._model.selectionStart) {
+      return;
+    }
+
+    // Record the previous position so we know whether to redraw the selection
+    // at the end.
+    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;
+
+    // Set the initial selection end based on the mouse coordinates
+    this._model.selectionEnd = this._getMouseBufferCoords(event);
+    if (!this._model.selectionEnd) {
+      this.refresh(true);
+      return;
+    }
+
+    // Select the entire line if line select mode is active.
+    if (this._activeSelectionMode === SelectionMode.LINE) {
+      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {
+        this._model.selectionEnd[0] = 0;
+      } else {
+        this._model.selectionEnd[0] = this._bufferService.cols;
+      }
+    } else if (this._activeSelectionMode === SelectionMode.WORD) {
+      this._selectToWordAt(this._model.selectionEnd);
+    }
+
+    // Determine the amount of scrolling that will happen.
+    this._dragScrollAmount = this._getMouseEventScrollAmount(event);
+
+    // If the cursor was above or below the viewport, make sure it's at the
+    // start or end of the viewport respectively. This should only happen when
+    // NOT in column select mode.
+    if (this._activeSelectionMode !== SelectionMode.COLUMN) {
+      if (this._dragScrollAmount > 0) {
+        this._model.selectionEnd[0] = this._bufferService.cols;
+      } else if (this._dragScrollAmount < 0) {
+        this._model.selectionEnd[0] = 0;
+      }
+    }
+
+    // If the character is a wide character include the cell to the right in the
+    // selection. Note that selections at the very end of the line will never
+    // have a character.
+    const buffer = this._bufferService.buffer;
+    if (this._model.selectionEnd[1] < buffer.lines.length) {
+      const line = buffer.lines.get(this._model.selectionEnd[1]);
+      if (line && line.hasWidth(this._model.selectionEnd[0]) === 0) {
+        this._model.selectionEnd[0]++;
+      }
+    }
+
+    // Only draw here if the selection changes.
+    if (!previousSelectionEnd ||
+      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||
+      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {
+      this.refresh(true);
+    }
+  }
+
+  /**
+   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the
+   * scrolling of the viewport.
+   */
+  private _dragScroll(): void {
+    if (!this._model.selectionEnd || !this._model.selectionStart) {
+      return;
+    }
+    if (this._dragScrollAmount) {
+      this._onRequestScrollLines.fire({ amount: this._dragScrollAmount, suppressScrollEvent: false });
+      // Re-evaluate selection
+      // If the cursor was above or below the viewport, make sure it's at the
+      // start or end of the viewport respectively. This should only happen when
+      // NOT in column select mode.
+      const buffer = this._bufferService.buffer;
+      if (this._dragScrollAmount > 0) {
+        if (this._activeSelectionMode !== SelectionMode.COLUMN) {
+          this._model.selectionEnd[0] = this._bufferService.cols;
+        }
+        this._model.selectionEnd[1] = Math.min(buffer.ydisp + this._bufferService.rows, buffer.lines.length - 1);
+      } else {
+        if (this._activeSelectionMode !== SelectionMode.COLUMN) {
+          this._model.selectionEnd[0] = 0;
+        }
+        this._model.selectionEnd[1] = buffer.ydisp;
+      }
+      this.refresh();
+    }
+  }
+
+  /**
+   * Handles the mouseup event, removing the mousedown listeners.
+   * @param event The mouseup event.
+   */
+  private _handleMouseUp(event: MouseEvent): void {
+    const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;
+
+    this._removeMouseDownListeners();
+
+    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME && event.altKey && this._optionsService.rawOptions.altClickMovesCursor) {
+      if (this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {
+        const coordinates = this._mouseService.getCoords(
+          event,
+          this._element,
+          this._bufferService.cols,
+          this._bufferService.rows,
+          false
+        );
+        if (coordinates && coordinates[0] !== undefined && coordinates[1] !== undefined) {
+          const sequence = moveToCellSequence(coordinates[0] - 1, coordinates[1] - 1, this._bufferService, this._coreService.decPrivateModes.applicationCursorKeys);
+          this._coreService.triggerDataEvent(sequence, true);
+        }
+      }
+    } else {
+      this._fireEventIfSelectionChanged();
+    }
+  }
+
+  private _fireEventIfSelectionChanged(): void {
+    const start = this._model.finalSelectionStart;
+    const end = this._model.finalSelectionEnd;
+    const hasSelection = !!start && !!end && (start[0] !== end[0] || start[1] !== end[1]);
+
+    if (!hasSelection) {
+      if (this._oldHasSelection) {
+        this._fireOnSelectionChange(start, end, hasSelection);
+      }
+      return;
+    }
+
+    // Sanity check, these should not be undefined as there is a selection
+    if (!start || !end) {
+      return;
+    }
+
+    if (!this._oldSelectionStart || !this._oldSelectionEnd || (
+      start[0] !== this._oldSelectionStart[0] || start[1] !== this._oldSelectionStart[1] ||
+      end[0] !== this._oldSelectionEnd[0] || end[1] !== this._oldSelectionEnd[1])) {
+
+      this._fireOnSelectionChange(start, end, hasSelection);
+    }
+  }
+
+  private _fireOnSelectionChange(start: [number, number] | undefined, end: [number, number] | undefined, hasSelection: boolean): void {
+    this._oldSelectionStart = start;
+    this._oldSelectionEnd = end;
+    this._oldHasSelection = hasSelection;
+    this._onSelectionChange.fire();
+  }
+
+  private _handleBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {
+    this.clearSelection();
+    // Only adjust the selection on trim, shiftElements is rarely used (only in
+    // reverseIndex) and delete in a splice is only ever used when the same
+    // number of elements was just added. Given this is could actually be
+    // beneficial to leave the selection as is for these cases.
+    this._trimListener.dispose();
+    this._trimListener = e.activeBuffer.lines.onTrim(amount => this._handleTrim(amount));
+  }
+
+  /**
+   * Converts a viewport column (0 to cols - 1) to the character index on the
+   * buffer line, the latter takes into account wide and null characters.
+   * @param bufferLine The buffer line to use.
+   * @param x The x index in the buffer line to convert.
+   */
+  private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, x: number): number {
+    let charIndex = x;
+    for (let i = 0; x >= i; i++) {
+      const length = bufferLine.loadCell(i, this._workCell).getChars().length;
+      if (this._workCell.getWidth() === 0) {
+        // Wide characters aren't included in the line string so decrement the
+        // index so the index is back on the wide character.
+        charIndex--;
+      } else if (length > 1 && x !== i) {
+        // Emojis take up multiple characters, so adjust accordingly. For these
+        // we don't want ot include the character at the column as we're
+        // returning the start index in the string, not the end index.
+        charIndex += length - 1;
+      }
+    }
+    return charIndex;
+  }
+
+  public setSelection(col: number, row: number, length: number): void {
+    this._model.clearSelection();
+    this._removeMouseDownListeners();
+    this._model.selectionStart = [col, row];
+    this._model.selectionStartLength = length;
+    this.refresh();
+    this._fireEventIfSelectionChanged();
+  }
+
+  public rightClickSelect(ev: MouseEvent): void {
+    if (!this._isClickInSelection(ev)) {
+      if (this._selectWordAtCursor(ev, false)) {
+        this.refresh(true);
+      }
+      this._fireEventIfSelectionChanged();
+    }
+  }
+
+  /**
+   * Gets positional information for the word at the coordinated specified.
+   * @param coords The coordinates to get the word at.
+   */
+  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition | undefined {
+    // Ensure coords are within viewport (eg. not within scroll bar)
+    if (coords[0] >= this._bufferService.cols) {
+      return undefined;
+    }
+
+    const buffer = this._bufferService.buffer;
+    const bufferLine = buffer.lines.get(coords[1]);
+    if (!bufferLine) {
+      return undefined;
+    }
+
+    const line = buffer.translateBufferLineToString(coords[1], false);
+
+    // Get actual index, taking into consideration wide characters
+    let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords[0]);
+    let endIndex = startIndex;
+
+    // Record offset to be used later
+    const charOffset = coords[0] - startIndex;
+    let leftWideCharCount = 0;
+    let rightWideCharCount = 0;
+    let leftLongCharOffset = 0;
+    let rightLongCharOffset = 0;
+
+    if (line.charAt(startIndex) === ' ') {
+      // Expand until non-whitespace is hit
+      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {
+        startIndex--;
+      }
+      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {
+        endIndex++;
+      }
+    } else {
+      // Expand until whitespace is hit. This algorithm works by scanning left
+      // and right from the starting position, keeping both the index format
+      // (line) and the column format (bufferLine) in sync. When a wide
+      // character is hit, it is recorded and the column index is adjusted.
+      let startCol = coords[0];
+      let endCol = coords[0];
+
+      // Consider the initial position, skip it and increment the wide char
+      // variable
+      if (bufferLine.getWidth(startCol) === 0) {
+        leftWideCharCount++;
+        startCol--;
+      }
+      if (bufferLine.getWidth(endCol) === 2) {
+        rightWideCharCount++;
+        endCol++;
+      }
+
+      // Adjust the end index for characters whose length are > 1 (emojis)
+      const length = bufferLine.getString(endCol).length;
+      if (length > 1) {
+        rightLongCharOffset += length - 1;
+        endIndex += length - 1;
+      }
+
+      // Expand the string in both directions until a space is hit
+      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {
+        bufferLine.loadCell(startCol - 1, this._workCell);
+        const length = this._workCell.getChars().length;
+        if (this._workCell.getWidth() === 0) {
+          // If the next character is a wide char, record it and skip the column
+          leftWideCharCount++;
+          startCol--;
+        } else if (length > 1) {
+          // If the next character's string is longer than 1 char (eg. emoji),
+          // adjust the index
+          leftLongCharOffset += length - 1;
+          startIndex -= length - 1;
+        }
+        startIndex--;
+        startCol--;
+      }
+      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {
+        bufferLine.loadCell(endCol + 1, this._workCell);
+        const length = this._workCell.getChars().length;
+        if (this._workCell.getWidth() === 2) {
+          // If the next character is a wide char, record it and skip the column
+          rightWideCharCount++;
+          endCol++;
+        } else if (length > 1) {
+          // If the next character's string is longer than 1 char (eg. emoji),
+          // adjust the index
+          rightLongCharOffset += length - 1;
+          endIndex += length - 1;
+        }
+        endIndex++;
+        endCol++;
+      }
+    }
+
+    // Incremenet the end index so it is at the start of the next character
+    endIndex++;
+
+    // Calculate the start _column_, converting the the string indexes back to
+    // column coordinates.
+    let start =
+        startIndex // The index of the selection's start char in the line string
+        + charOffset // The difference between the initial char's column and index
+        - leftWideCharCount // The number of wide chars left of the initial char
+        + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
+
+    // Calculate the length in _columns_, converting the the string indexes back
+    // to column coordinates.
+    let length = Math.min(this._bufferService.cols, // Disallow lengths larger than the terminal cols
+      endIndex // The index of the selection's end char in the line string
+      - startIndex // The index of the selection's start char in the line string
+      + leftWideCharCount // The number of wide chars left of the initial char
+      + rightWideCharCount // The number of wide chars right of the initial char (inclusive)
+      - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
+      - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)
+
+    if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {
+      return undefined;
+    }
+
+    // Recurse upwards if the line is wrapped and the word wraps to the above line
+    if (followWrappedLinesAbove) {
+      if (start === 0 && bufferLine.getCodePoint(0) !== 32 /* ' ' */) {
+        const previousBufferLine = buffer.lines.get(coords[1] - 1);
+        if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {
+          const previousLineWordPosition = this._getWordAt([this._bufferService.cols - 1, coords[1] - 1], false, true, false);
+          if (previousLineWordPosition) {
+            const offset = this._bufferService.cols - previousLineWordPosition.start;
+            start -= offset;
+            length += offset;
+          }
+        }
+      }
+    }
+
+    // Recurse downwards if the line is wrapped and the word wraps to the next line
+    if (followWrappedLinesBelow) {
+      if (start + length === this._bufferService.cols && bufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /* ' ' */) {
+        const nextBufferLine = buffer.lines.get(coords[1] + 1);
+        if (nextBufferLine?.isWrapped && nextBufferLine.getCodePoint(0) !== 32 /* ' ' */) {
+          const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);
+          if (nextLineWordPosition) {
+            length += nextLineWordPosition.length;
+          }
+        }
+      }
+    }
+
+    return { start, length };
+  }
+
+  /**
+   * Selects the word at the coordinates specified.
+   * @param coords The coordinates to get the word at.
+   * @param allowWhitespaceOnlySelection If whitespace should be selected
+   */
+  protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {
+    const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);
+    if (wordPosition) {
+      // Adjust negative start value
+      while (wordPosition.start < 0) {
+        wordPosition.start += this._bufferService.cols;
+        coords[1]--;
+      }
+      this._model.selectionStart = [wordPosition.start, coords[1]];
+      this._model.selectionStartLength = wordPosition.length;
+    }
+  }
+
+  /**
+   * Sets the selection end to the word at the coordinated specified.
+   * @param coords The coordinates to get the word at.
+   */
+  private _selectToWordAt(coords: [number, number]): void {
+    const wordPosition = this._getWordAt(coords, true);
+    if (wordPosition) {
+      let endRow = coords[1];
+
+      // Adjust negative start value
+      while (wordPosition.start < 0) {
+        wordPosition.start += this._bufferService.cols;
+        endRow--;
+      }
+
+      // Adjust wrapped length value, this only needs to happen when values are reversed as in that
+      // case we're interested in the start of the word, not the end
+      if (!this._model.areSelectionValuesReversed()) {
+        while (wordPosition.start + wordPosition.length > this._bufferService.cols) {
+          wordPosition.length -= this._bufferService.cols;
+          endRow++;
+        }
+      }
+
+      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];
+    }
+  }
+
+  /**
+   * Gets whether the character is considered a word separator by the select
+   * word logic.
+   * @param cell The cell to check.
+   */
+  private _isCharWordSeparator(cell: CellData): boolean {
+    // Zero width characters are never separators as they are always to the
+    // right of wide characters
+    if (cell.getWidth() === 0) {
+      return false;
+    }
+    return this._optionsService.rawOptions.wordSeparator.indexOf(cell.getChars()) >= 0;
+  }
+
+  /**
+   * Selects the line specified.
+   * @param line The line index.
+   */
+  protected _selectLineAt(line: number): void {
+    const wrappedRange = this._bufferService.buffer.getWrappedRangeForLine(line);
+    const range: IBufferRange = {
+      start: { x: 0, y: wrappedRange.first },
+      end: { x: this._bufferService.cols - 1, y: wrappedRange.last }
+    };
+    this._model.selectionStart = [0, wrappedRange.first];
+    this._model.selectionEnd = undefined;
+    this._model.selectionStartLength = getRangeLength(range, this._bufferService.cols);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/Services.ts b/web/public/node_modules/xterm/src/browser/services/Services.ts
new file mode 100644
index 000000000..d96285f79
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/Services.ts
@@ -0,0 +1,138 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent } from 'common/EventEmitter';
+import { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';
+import { IColorSet, ReadonlyColorSet } from 'browser/Types';
+import { ISelectionRedrawRequestEvent as ISelectionRequestRedrawEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';
+import { createDecorator } from 'common/services/ServiceRegistry';
+import { AllColorIndex, IDisposable } from 'common/Types';
+
+export const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');
+export interface ICharSizeService {
+  serviceBrand: undefined;
+
+  readonly width: number;
+  readonly height: number;
+  readonly hasValidSize: boolean;
+
+  readonly onCharSizeChange: IEvent<void>;
+
+  measure(): void;
+}
+
+export const ICoreBrowserService = createDecorator<ICoreBrowserService>('CoreBrowserService');
+export interface ICoreBrowserService {
+  serviceBrand: undefined;
+
+  readonly isFocused: boolean;
+  /**
+   * Parent window that the terminal is rendered into. DOM and rendering APIs
+   * (e.g. requestAnimationFrame) should be invoked in the context of this
+   * window.
+   */
+  readonly window: Window & typeof globalThis;
+  /**
+   * Helper for getting the devicePixelRatio of the parent window.
+   */
+  readonly dpr: number;
+}
+
+export const IMouseService = createDecorator<IMouseService>('MouseService');
+export interface IMouseService {
+  serviceBrand: undefined;
+
+  getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined;
+  getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined;
+}
+
+export const IRenderService = createDecorator<IRenderService>('RenderService');
+export interface IRenderService extends IDisposable {
+  serviceBrand: undefined;
+
+  onDimensionsChange: IEvent<IRenderDimensions>;
+  /**
+   * Fires when buffer changes are rendered. This does not fire when only cursor
+   * or selections are rendered.
+   */
+  onRenderedViewportChange: IEvent<{ start: number, end: number }>;
+  /**
+   * Fires on render
+   */
+  onRender: IEvent<{ start: number, end: number }>;
+  onRefreshRequest: IEvent<{ start: number, end: number }>;
+
+  dimensions: IRenderDimensions;
+
+  addRefreshCallback(callback: FrameRequestCallback): number;
+
+  refreshRows(start: number, end: number): void;
+  clearTextureAtlas(): void;
+  resize(cols: number, rows: number): void;
+  hasRenderer(): boolean;
+  setRenderer(renderer: IRenderer): void;
+  handleDevicePixelRatioChange(): void;
+  handleResize(cols: number, rows: number): void;
+  handleCharSizeChanged(): void;
+  handleBlur(): void;
+  handleFocus(): void;
+  handleSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void;
+  handleCursorMove(): void;
+  clear(): void;
+}
+
+export const ISelectionService = createDecorator<ISelectionService>('SelectionService');
+export interface ISelectionService {
+  serviceBrand: undefined;
+
+  readonly selectionText: string;
+  readonly hasSelection: boolean;
+  readonly selectionStart: [number, number] | undefined;
+  readonly selectionEnd: [number, number] | undefined;
+
+  readonly onLinuxMouseSelection: IEvent<string>;
+  readonly onRequestRedraw: IEvent<ISelectionRequestRedrawEvent>;
+  readonly onRequestScrollLines: IEvent<ISelectionRequestScrollLinesEvent>;
+  readonly onSelectionChange: IEvent<void>;
+
+  disable(): void;
+  enable(): void;
+  reset(): void;
+  setSelection(row: number, col: number, length: number): void;
+  selectAll(): void;
+  selectLines(start: number, end: number): void;
+  clearSelection(): void;
+  rightClickSelect(event: MouseEvent): void;
+  shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean;
+  shouldForceSelection(event: MouseEvent): boolean;
+  refresh(isLinuxMouseSelection?: boolean): void;
+  handleMouseDown(event: MouseEvent): void;
+  isCellInSelection(x: number, y: number): boolean;
+}
+
+export const ICharacterJoinerService = createDecorator<ICharacterJoinerService>('CharacterJoinerService');
+export interface ICharacterJoinerService {
+  serviceBrand: undefined;
+
+  register(handler: (text: string) => [number, number][]): number;
+  deregister(joinerId: number): boolean;
+  getJoinedCharacters(row: number): [number, number][];
+}
+
+export const IThemeService = createDecorator<IThemeService>('ThemeService');
+export interface IThemeService {
+  serviceBrand: undefined;
+
+  readonly colors: ReadonlyColorSet;
+
+  readonly onChangeColors: IEvent<ReadonlyColorSet>;
+
+  restoreColor(slot?: AllColorIndex): void;
+  /**
+   * Allows external modifying of colors in the theme, this is used instead of {@link colors} to
+   * prevent accidental writes.
+   */
+  modifyColors(callback: (colors: IColorSet) => void): void;
+}
diff --git a/web/public/node_modules/xterm/src/browser/services/ThemeService.ts b/web/public/node_modules/xterm/src/browser/services/ThemeService.ts
new file mode 100644
index 000000000..199b3ace5
--- /dev/null
+++ b/web/public/node_modules/xterm/src/browser/services/ThemeService.ts
@@ -0,0 +1,237 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ColorContrastCache } from 'browser/ColorContrastCache';
+import { IThemeService } from 'browser/services/Services';
+import { IColorContrastCache, IColorSet, ReadonlyColorSet } from 'browser/Types';
+import { channels, color, css, NULL_COLOR } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IOptionsService, ITheme } from 'common/services/Services';
+import { AllColorIndex, IColor, SpecialColorIndex } from 'common/Types';
+
+interface IRestoreColorSet {
+  foreground: IColor;
+  background: IColor;
+  cursor: IColor;
+  ansi: IColor[];
+}
+
+
+const DEFAULT_FOREGROUND = css.toColor('#ffffff');
+const DEFAULT_BACKGROUND = css.toColor('#000000');
+const DEFAULT_CURSOR = css.toColor('#ffffff');
+const DEFAULT_CURSOR_ACCENT = css.toColor('#000000');
+const DEFAULT_SELECTION = {
+  css: 'rgba(255, 255, 255, 0.3)',
+  rgba: 0xFFFFFF4D
+};
+
+// An IIFE to generate DEFAULT_ANSI_COLORS.
+export const DEFAULT_ANSI_COLORS = Object.freeze((() => {
+  const colors = [
+    // dark:
+    css.toColor('#2e3436'),
+    css.toColor('#cc0000'),
+    css.toColor('#4e9a06'),
+    css.toColor('#c4a000'),
+    css.toColor('#3465a4'),
+    css.toColor('#75507b'),
+    css.toColor('#06989a'),
+    css.toColor('#d3d7cf'),
+    // bright:
+    css.toColor('#555753'),
+    css.toColor('#ef2929'),
+    css.toColor('#8ae234'),
+    css.toColor('#fce94f'),
+    css.toColor('#729fcf'),
+    css.toColor('#ad7fa8'),
+    css.toColor('#34e2e2'),
+    css.toColor('#eeeeec')
+  ];
+
+  // Fill in the remaining 240 ANSI colors.
+  // Generate colors (16-231)
+  const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
+  for (let i = 0; i < 216; i++) {
+    const r = v[(i / 36) % 6 | 0];
+    const g = v[(i / 6) % 6 | 0];
+    const b = v[i % 6];
+    colors.push({
+      css: channels.toCss(r, g, b),
+      rgba: channels.toRgba(r, g, b)
+    });
+  }
+
+  // Generate greys (232-255)
+  for (let i = 0; i < 24; i++) {
+    const c = 8 + i * 10;
+    colors.push({
+      css: channels.toCss(c, c, c),
+      rgba: channels.toRgba(c, c, c)
+    });
+  }
+
+  return colors;
+})());
+
+export class ThemeService extends Disposable implements IThemeService {
+  public serviceBrand: undefined;
+
+  private _colors: IColorSet;
+  private _contrastCache: IColorContrastCache = new ColorContrastCache();
+  private _halfContrastCache: IColorContrastCache = new ColorContrastCache();
+  private _restoreColors!: IRestoreColorSet;
+
+  public get colors(): ReadonlyColorSet { return this._colors; }
+
+  private readonly _onChangeColors = this.register(new EventEmitter<ReadonlyColorSet>());
+  public readonly onChangeColors = this._onChangeColors.event;
+
+  constructor(
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+
+    this._colors = {
+      foreground: DEFAULT_FOREGROUND,
+      background: DEFAULT_BACKGROUND,
+      cursor: DEFAULT_CURSOR,
+      cursorAccent: DEFAULT_CURSOR_ACCENT,
+      selectionForeground: undefined,
+      selectionBackgroundTransparent: DEFAULT_SELECTION,
+      selectionBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),
+      selectionInactiveBackgroundTransparent: DEFAULT_SELECTION,
+      selectionInactiveBackgroundOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),
+      ansi: DEFAULT_ANSI_COLORS.slice(),
+      contrastCache: this._contrastCache,
+      halfContrastCache: this._halfContrastCache
+    };
+    this._updateRestoreColors();
+    this._setTheme(this._optionsService.rawOptions.theme);
+
+    this.register(this._optionsService.onSpecificOptionChange('minimumContrastRatio', () => this._contrastCache.clear()));
+    this.register(this._optionsService.onSpecificOptionChange('theme', () => this._setTheme(this._optionsService.rawOptions.theme)));
+  }
+
+  /**
+   * Sets the terminal's theme.
+   * @param theme The  theme to use. If a partial theme is provided then default
+   * colors will be used where colors are not defined.
+   */
+  private _setTheme(theme: ITheme = {}): void {
+    const colors = this._colors;
+    colors.foreground = parseColor(theme.foreground, DEFAULT_FOREGROUND);
+    colors.background = parseColor(theme.background, DEFAULT_BACKGROUND);
+    colors.cursor = parseColor(theme.cursor, DEFAULT_CURSOR);
+    colors.cursorAccent = parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT);
+    colors.selectionBackgroundTransparent = parseColor(theme.selectionBackground, DEFAULT_SELECTION);
+    colors.selectionBackgroundOpaque = color.blend(colors.background, colors.selectionBackgroundTransparent);
+    colors.selectionInactiveBackgroundTransparent = parseColor(theme.selectionInactiveBackground, colors.selectionBackgroundTransparent);
+    colors.selectionInactiveBackgroundOpaque = color.blend(colors.background, colors.selectionInactiveBackgroundTransparent);
+    colors.selectionForeground = theme.selectionForeground ? parseColor(theme.selectionForeground, NULL_COLOR) : undefined;
+    if (colors.selectionForeground === NULL_COLOR) {
+      colors.selectionForeground = undefined;
+    }
+
+    /**
+     * If selection color is opaque, blend it with background with 0.3 opacity
+     * Issue #2737
+     */
+    if (color.isOpaque(colors.selectionBackgroundTransparent)) {
+      const opacity = 0.3;
+      colors.selectionBackgroundTransparent = color.opacity(colors.selectionBackgroundTransparent, opacity);
+    }
+    if (color.isOpaque(colors.selectionInactiveBackgroundTransparent)) {
+      const opacity = 0.3;
+      colors.selectionInactiveBackgroundTransparent = color.opacity(colors.selectionInactiveBackgroundTransparent, opacity);
+    }
+    colors.ansi = DEFAULT_ANSI_COLORS.slice();
+    colors.ansi[0] = parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);
+    colors.ansi[1] = parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);
+    colors.ansi[2] = parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);
+    colors.ansi[3] = parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);
+    colors.ansi[4] = parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);
+    colors.ansi[5] = parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);
+    colors.ansi[6] = parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);
+    colors.ansi[7] = parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);
+    colors.ansi[8] = parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);
+    colors.ansi[9] = parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);
+    colors.ansi[10] = parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);
+    colors.ansi[11] = parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);
+    colors.ansi[12] = parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);
+    colors.ansi[13] = parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);
+    colors.ansi[14] = parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);
+    colors.ansi[15] = parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);
+    if (theme.extendedAnsi) {
+      const colorCount = Math.min(colors.ansi.length - 16, theme.extendedAnsi.length);
+      for (let i = 0; i < colorCount; i++) {
+        colors.ansi[i + 16] = parseColor(theme.extendedAnsi[i], DEFAULT_ANSI_COLORS[i + 16]);
+      }
+    }
+    // Clear our the cache
+    this._contrastCache.clear();
+    this._halfContrastCache.clear();
+    this._updateRestoreColors();
+    this._onChangeColors.fire(this.colors);
+  }
+
+  public restoreColor(slot?: AllColorIndex): void {
+    this._restoreColor(slot);
+    this._onChangeColors.fire(this.colors);
+  }
+
+  private _restoreColor(slot: AllColorIndex | undefined): void {
+    // unset slot restores all ansi colors
+    if (slot === undefined) {
+      for (let i = 0; i < this._restoreColors.ansi.length; ++i) {
+        this._colors.ansi[i] = this._restoreColors.ansi[i];
+      }
+      return;
+    }
+    switch (slot) {
+      case SpecialColorIndex.FOREGROUND:
+        this._colors.foreground = this._restoreColors.foreground;
+        break;
+      case SpecialColorIndex.BACKGROUND:
+        this._colors.background = this._restoreColors.background;
+        break;
+      case SpecialColorIndex.CURSOR:
+        this._colors.cursor = this._restoreColors.cursor;
+        break;
+      default:
+        this._colors.ansi[slot] = this._restoreColors.ansi[slot];
+    }
+  }
+
+  public modifyColors(callback: (colors: IColorSet) => void): void {
+    callback(this._colors);
+    // Assume the change happened
+    this._onChangeColors.fire(this.colors);
+  }
+
+  private _updateRestoreColors(): void {
+    this._restoreColors = {
+      foreground: this._colors.foreground,
+      background: this._colors.background,
+      cursor: this._colors.cursor,
+      ansi: this._colors.ansi.slice()
+    };
+  }
+}
+
+function parseColor(
+  cssString: string | undefined,
+  fallback: IColor
+): IColor {
+  if (cssString !== undefined) {
+    try {
+      return css.toColor(cssString);
+    } catch {
+      // no-op
+    }
+  }
+  return fallback;
+}
diff --git a/web/public/node_modules/xterm/src/common/CircularList.ts b/web/public/node_modules/xterm/src/common/CircularList.ts
new file mode 100644
index 000000000..622a1eff9
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/CircularList.ts
@@ -0,0 +1,241 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICircularList } from 'common/Types';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+
+export interface IInsertEvent {
+  index: number;
+  amount: number;
+}
+
+export interface IDeleteEvent {
+  index: number;
+  amount: number;
+}
+
+/**
+ * Represents a circular list; a list with a maximum size that wraps around when push is called,
+ * overriding values at the start of the list.
+ */
+export class CircularList<T> extends Disposable implements ICircularList<T> {
+  protected _array: (T | undefined)[];
+  private _startIndex: number;
+  private _length: number;
+
+  public readonly onDeleteEmitter = this.register(new EventEmitter<IDeleteEvent>());
+  public readonly onDelete = this.onDeleteEmitter.event;
+  public readonly onInsertEmitter = this.register(new EventEmitter<IInsertEvent>());
+  public readonly onInsert = this.onInsertEmitter.event;
+  public readonly onTrimEmitter = this.register(new EventEmitter<number>());
+  public readonly onTrim = this.onTrimEmitter.event;
+
+  constructor(
+    private _maxLength: number
+  ) {
+    super();
+    this._array = new Array<T>(this._maxLength);
+    this._startIndex = 0;
+    this._length = 0;
+  }
+
+  public get maxLength(): number {
+    return this._maxLength;
+  }
+
+  public set maxLength(newMaxLength: number) {
+    // There was no change in maxLength, return early.
+    if (this._maxLength === newMaxLength) {
+      return;
+    }
+
+    // Reconstruct array, starting at index 0. Only transfer values from the
+    // indexes 0 to length.
+    const newArray = new Array<T | undefined>(newMaxLength);
+    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {
+      newArray[i] = this._array[this._getCyclicIndex(i)];
+    }
+    this._array = newArray;
+    this._maxLength = newMaxLength;
+    this._startIndex = 0;
+  }
+
+  public get length(): number {
+    return this._length;
+  }
+
+  public set length(newLength: number) {
+    if (newLength > this._length) {
+      for (let i = this._length; i < newLength; i++) {
+        this._array[i] = undefined;
+      }
+    }
+    this._length = newLength;
+  }
+
+  /**
+   * Gets the value at an index.
+   *
+   * Note that for performance reasons there is no bounds checking here, the index reference is
+   * circular so this should always return a value and never throw.
+   * @param index The index of the value to get.
+   * @returns The value corresponding to the index.
+   */
+  public get(index: number): T | undefined {
+    return this._array[this._getCyclicIndex(index)];
+  }
+
+  /**
+   * Sets the value at an index.
+   *
+   * Note that for performance reasons there is no bounds checking here, the index reference is
+   * circular so this should always return a value and never throw.
+   * @param index The index to set.
+   * @param value The value to set.
+   */
+  public set(index: number, value: T | undefined): void {
+    this._array[this._getCyclicIndex(index)] = value;
+  }
+
+  /**
+   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0
+   * if the maximum length is reached.
+   * @param value The value to push onto the list.
+   */
+  public push(value: T): void {
+    this._array[this._getCyclicIndex(this._length)] = value;
+    if (this._length === this._maxLength) {
+      this._startIndex = ++this._startIndex % this._maxLength;
+      this.onTrimEmitter.fire(1);
+    } else {
+      this._length++;
+    }
+  }
+
+  /**
+   * Advance ringbuffer index and return current element for recycling.
+   * Note: The buffer must be full for this method to work.
+   * @throws When the buffer is not full.
+   */
+  public recycle(): T {
+    if (this._length !== this._maxLength) {
+      throw new Error('Can only recycle when the buffer is full');
+    }
+    this._startIndex = ++this._startIndex % this._maxLength;
+    this.onTrimEmitter.fire(1);
+    return this._array[this._getCyclicIndex(this._length - 1)]!;
+  }
+
+  /**
+   * Ringbuffer is at max length.
+   */
+  public get isFull(): boolean {
+    return this._length === this._maxLength;
+  }
+
+  /**
+   * Removes and returns the last value on the list.
+   * @returns The popped value.
+   */
+  public pop(): T | undefined {
+    return this._array[this._getCyclicIndex(this._length-- - 1)];
+  }
+
+  /**
+   * Deletes and/or inserts items at a particular index (in that order). Unlike
+   * Array.prototype.splice, this operation does not return the deleted items as a new array in
+   * order to save creating a new array. Note that this operation may shift all values in the list
+   * in the worst case.
+   * @param start The index to delete and/or insert.
+   * @param deleteCount The number of elements to delete.
+   * @param items The items to insert.
+   */
+  public splice(start: number, deleteCount: number, ...items: T[]): void {
+    // Delete items
+    if (deleteCount) {
+      for (let i = start; i < this._length - deleteCount; i++) {
+        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
+      }
+      this._length -= deleteCount;
+      this.onDeleteEmitter.fire({ index: start, amount: deleteCount });
+    }
+
+    // Add items
+    for (let i = this._length - 1; i >= start; i--) {
+      this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];
+    }
+    for (let i = 0; i < items.length; i++) {
+      this._array[this._getCyclicIndex(start + i)] = items[i];
+    }
+    if (items.length) {
+      this.onInsertEmitter.fire({ index: start, amount: items.length });
+    }
+
+    // Adjust length as needed
+    if (this._length + items.length > this._maxLength) {
+      const countToTrim = (this._length + items.length) - this._maxLength;
+      this._startIndex += countToTrim;
+      this._length = this._maxLength;
+      this.onTrimEmitter.fire(countToTrim);
+    } else {
+      this._length += items.length;
+    }
+  }
+
+  /**
+   * Trims a number of items from the start of the list.
+   * @param count The number of items to remove.
+   */
+  public trimStart(count: number): void {
+    if (count > this._length) {
+      count = this._length;
+    }
+    this._startIndex += count;
+    this._length -= count;
+    this.onTrimEmitter.fire(count);
+  }
+
+  public shiftElements(start: number, count: number, offset: number): void {
+    if (count <= 0) {
+      return;
+    }
+    if (start < 0 || start >= this._length) {
+      throw new Error('start argument out of range');
+    }
+    if (start + offset < 0) {
+      throw new Error('Cannot shift elements in list beyond index 0');
+    }
+
+    if (offset > 0) {
+      for (let i = count - 1; i >= 0; i--) {
+        this.set(start + i + offset, this.get(start + i));
+      }
+      const expandListBy = (start + count + offset) - this._length;
+      if (expandListBy > 0) {
+        this._length += expandListBy;
+        while (this._length > this._maxLength) {
+          this._length--;
+          this._startIndex++;
+          this.onTrimEmitter.fire(1);
+        }
+      }
+    } else {
+      for (let i = 0; i < count; i++) {
+        this.set(start + i + offset, this.get(start + i));
+      }
+    }
+  }
+
+  /**
+   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the
+   * backing array to get the element associated with the regular index.
+   * @param index The regular index.
+   * @returns The cyclic index.
+   */
+  private _getCyclicIndex(index: number): number {
+    return (this._startIndex + index) % this._maxLength;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/Clone.ts b/web/public/node_modules/xterm/src/common/Clone.ts
new file mode 100644
index 000000000..37821fe02
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/Clone.ts
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/*
+ * A simple utility for cloning values
+ */
+export function clone<T>(val: T, depth: number = 5): T {
+  if (typeof val !== 'object') {
+    return val;
+  }
+
+  // If we're cloning an array, use an array as the base, otherwise use an object
+  const clonedObject: any = Array.isArray(val) ? [] : {};
+
+  for (const key in val) {
+    // Recursively clone eack item unless we're at the maximum depth
+    clonedObject[key] = depth <= 1 ? val[key] : (val[key] && clone(val[key], depth - 1));
+  }
+
+  return clonedObject as T;
+}
diff --git a/web/public/node_modules/xterm/src/common/Color.ts b/web/public/node_modules/xterm/src/common/Color.ts
new file mode 100644
index 000000000..108d72f36
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/Color.ts
@@ -0,0 +1,356 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { isNode } from 'common/Platform';
+import { IColor, IColorRGB } from 'common/Types';
+
+let $r = 0;
+let $g = 0;
+let $b = 0;
+let $a = 0;
+
+export const NULL_COLOR: IColor = {
+  css: '#00000000',
+  rgba: 0
+};
+
+/**
+ * Helper functions where the source type is "channels" (individual color channels as numbers).
+ */
+export namespace channels {
+  export function toCss(r: number, g: number, b: number, a?: number): string {
+    if (a !== undefined) {
+      return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;
+    }
+    return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;
+  }
+
+  export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {
+    // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32
+    // on LE systems, before it can be used for direct 32-bit buffer writes.
+    // >>> 0 forces an unsigned int
+    return (r << 24 | g << 16 | b << 8 | a) >>> 0;
+  }
+}
+
+/**
+ * Helper functions where the source type is `IColor`.
+ */
+export namespace color {
+  export function blend(bg: IColor, fg: IColor): IColor {
+    $a = (fg.rgba & 0xFF) / 255;
+    if ($a === 1) {
+      return {
+        css: fg.css,
+        rgba: fg.rgba
+      };
+    }
+    const fgR = (fg.rgba >> 24) & 0xFF;
+    const fgG = (fg.rgba >> 16) & 0xFF;
+    const fgB = (fg.rgba >> 8) & 0xFF;
+    const bgR = (bg.rgba >> 24) & 0xFF;
+    const bgG = (bg.rgba >> 16) & 0xFF;
+    const bgB = (bg.rgba >> 8) & 0xFF;
+    $r = bgR + Math.round((fgR - bgR) * $a);
+    $g = bgG + Math.round((fgG - bgG) * $a);
+    $b = bgB + Math.round((fgB - bgB) * $a);
+    const css = channels.toCss($r, $g, $b);
+    const rgba = channels.toRgba($r, $g, $b);
+    return { css, rgba };
+  }
+
+  export function isOpaque(color: IColor): boolean {
+    return (color.rgba & 0xFF) === 0xFF;
+  }
+
+  export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {
+    const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);
+    if (!result) {
+      return undefined;
+    }
+    return rgba.toColor(
+      (result >> 24 & 0xFF),
+      (result >> 16 & 0xFF),
+      (result >> 8  & 0xFF)
+    );
+  }
+
+  export function opaque(color: IColor): IColor {
+    const rgbaColor = (color.rgba | 0xFF) >>> 0;
+    [$r, $g, $b] = rgba.toChannels(rgbaColor);
+    return {
+      css: channels.toCss($r, $g, $b),
+      rgba: rgbaColor
+    };
+  }
+
+  export function opacity(color: IColor, opacity: number): IColor {
+    $a = Math.round(opacity * 0xFF);
+    [$r, $g, $b] = rgba.toChannels(color.rgba);
+    return {
+      css: channels.toCss($r, $g, $b, $a),
+      rgba: channels.toRgba($r, $g, $b, $a)
+    };
+  }
+
+  export function multiplyOpacity(color: IColor, factor: number): IColor {
+    $a = color.rgba & 0xFF;
+    return opacity(color, ($a * factor) / 0xFF);
+  }
+
+  export function toColorRGB(color: IColor): IColorRGB {
+    return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];
+  }
+}
+
+/**
+ * Helper functions where the source type is "css" (string: '#rgb', '#rgba', '#rrggbb',
+ * '#rrggbbaa').
+ */
+export namespace css {
+  let $ctx: CanvasRenderingContext2D | undefined;
+  let $litmusColor: CanvasGradient | undefined;
+  if (!isNode) {
+    const canvas = document.createElement('canvas');
+    canvas.width = 1;
+    canvas.height = 1;
+    const ctx = canvas.getContext('2d', {
+      willReadFrequently: true
+    });
+    if (ctx) {
+      $ctx = ctx;
+      $ctx.globalCompositeOperation = 'copy';
+      $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);
+    }
+  }
+
+  /**
+   * Converts a css string to an IColor, this should handle all valid CSS color strings and will
+   * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.
+   *
+   * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node
+   * environment.
+   */
+  export function toColor(css: string): IColor {
+    // Formats: #rgb[a] and #rrggbb[aa]
+    if (css.match(/#[\da-f]{3,8}/i)) {
+      switch (css.length) {
+        case 4: { // #rgb
+          $r = parseInt(css.slice(1, 2).repeat(2), 16);
+          $g = parseInt(css.slice(2, 3).repeat(2), 16);
+          $b = parseInt(css.slice(3, 4).repeat(2), 16);
+          return rgba.toColor($r, $g, $b);
+        }
+        case 5: { // #rgba
+          $r = parseInt(css.slice(1, 2).repeat(2), 16);
+          $g = parseInt(css.slice(2, 3).repeat(2), 16);
+          $b = parseInt(css.slice(3, 4).repeat(2), 16);
+          $a = parseInt(css.slice(4, 5).repeat(2), 16);
+          return rgba.toColor($r, $g, $b, $a);
+        }
+        case 7: // #rrggbb
+          return {
+            css,
+            rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0
+          };
+        case 9: // #rrggbbaa
+          return {
+            css,
+            rgba: parseInt(css.slice(1), 16) >>> 0
+          };
+      }
+    }
+
+    // Formats: rgb() or rgba()
+    const rgbaMatch = css.match(/rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(,\s*(0|1|\d?\.(\d+))\s*)?\)/);
+    if (rgbaMatch) {
+      $r = parseInt(rgbaMatch[1]);
+      $g = parseInt(rgbaMatch[2]);
+      $b = parseInt(rgbaMatch[3]);
+      $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);
+      return rgba.toColor($r, $g, $b, $a);
+    }
+
+    // Validate the context is available for canvas-based color parsing
+    if (!$ctx || !$litmusColor) {
+      throw new Error('css.toColor: Unsupported css format');
+    }
+
+    // Validate the color using canvas fillStyle
+    // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles
+    $ctx.fillStyle = $litmusColor;
+    $ctx.fillStyle = css;
+    if (typeof $ctx.fillStyle !== 'string') {
+      throw new Error('css.toColor: Unsupported css format');
+    }
+
+    $ctx.fillRect(0, 0, 1, 1);
+    [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;
+
+    // Validate the color is non-transparent as color hue gets lost when drawn to the canvas
+    if ($a !== 0xFF) {
+      throw new Error('css.toColor: Unsupported css format');
+    }
+
+    // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()
+    // format
+    // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color
+    return {
+      rgba: channels.toRgba($r, $g, $b, $a),
+      css
+    };
+  }
+}
+
+/**
+ * Helper functions where the source type is "rgb" (number: 0xrrggbb).
+ */
+export namespace rgb {
+  /**
+   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio
+   * between two colors.
+   * @param rgb The color to use.
+   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef
+   */
+  export function relativeLuminance(rgb: number): number {
+    return relativeLuminance2(
+      (rgb >> 16) & 0xFF,
+      (rgb >> 8 ) & 0xFF,
+      (rgb      ) & 0xFF);
+  }
+
+  /**
+   * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio
+   * between two colors.
+   * @param r The red channel (0x00 to 0xFF).
+   * @param g The green channel (0x00 to 0xFF).
+   * @param b The blue channel (0x00 to 0xFF).
+   * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef
+   */
+  export function relativeLuminance2(r: number, g: number, b: number): number {
+    const rs = r / 255;
+    const gs = g / 255;
+    const bs = b / 255;
+    const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);
+    const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);
+    const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);
+    return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;
+  }
+}
+
+/**
+ * Helper functions where the source type is "rgba" (number: 0xrrggbbaa).
+ */
+export namespace rgba {
+  /**
+   * Given a foreground color and a background color, either increase or reduce the luminance of the
+   * foreground color until the specified contrast ratio is met. If pure white or black is hit
+   * without the contrast ratio being met, go the other direction using the background color as the
+   * foreground color and take either the first or second result depending on which has the higher
+   * contrast ratio.
+   *
+   * `undefined` will be returned if the contrast ratio is already met.
+   *
+   * @param bgRgba The background color in rgba format.
+   * @param fgRgba The foreground color in rgba format.
+   * @param ratio The contrast ratio to achieve.
+   */
+  export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {
+    const bgL = rgb.relativeLuminance(bgRgba >> 8);
+    const fgL = rgb.relativeLuminance(fgRgba >> 8);
+    const cr = contrastRatio(bgL, fgL);
+    if (cr < ratio) {
+      if (fgL < bgL) {
+        const resultA = reduceLuminance(bgRgba, fgRgba, ratio);
+        const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));
+        if (resultARatio < ratio) {
+          const resultB = increaseLuminance(bgRgba, fgRgba, ratio);
+          const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));
+          return resultARatio > resultBRatio ? resultA : resultB;
+        }
+        return resultA;
+      }
+      const resultA = increaseLuminance(bgRgba, fgRgba, ratio);
+      const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));
+      if (resultARatio < ratio) {
+        const resultB = reduceLuminance(bgRgba, fgRgba, ratio);
+        const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));
+        return resultARatio > resultBRatio ? resultA : resultB;
+      }
+      return resultA;
+    }
+    return undefined;
+  }
+
+  export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {
+    // This is a naive but fast approach to reducing luminance as converting to
+    // HSL and back is expensive
+    const bgR = (bgRgba >> 24) & 0xFF;
+    const bgG = (bgRgba >> 16) & 0xFF;
+    const bgB = (bgRgba >>  8) & 0xFF;
+    let fgR = (fgRgba >> 24) & 0xFF;
+    let fgG = (fgRgba >> 16) & 0xFF;
+    let fgB = (fgRgba >>  8) & 0xFF;
+    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {
+      // Reduce by 10% until the ratio is hit
+      fgR -= Math.max(0, Math.ceil(fgR * 0.1));
+      fgG -= Math.max(0, Math.ceil(fgG * 0.1));
+      fgB -= Math.max(0, Math.ceil(fgB * 0.1));
+      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    }
+    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;
+  }
+
+  export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {
+    // This is a naive but fast approach to increasing luminance as converting to
+    // HSL and back is expensive
+    const bgR = (bgRgba >> 24) & 0xFF;
+    const bgG = (bgRgba >> 16) & 0xFF;
+    const bgB = (bgRgba >>  8) & 0xFF;
+    let fgR = (fgRgba >> 24) & 0xFF;
+    let fgG = (fgRgba >> 16) & 0xFF;
+    let fgB = (fgRgba >>  8) & 0xFF;
+    let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {
+      // Increase by 10% until the ratio is hit
+      fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));
+      fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));
+      fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));
+      cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));
+    }
+    return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;
+  }
+
+  // FIXME: Move this to channels NS?
+  export function toChannels(value: number): [number, number, number, number] {
+    return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];
+  }
+
+  export function toColor(r: number, g: number, b: number, a?: number): IColor {
+    return {
+      css: channels.toCss(r, g, b, a),
+      rgba: channels.toRgba(r, g, b, a)
+    };
+  }
+}
+
+export function toPaddedHex(c: number): string {
+  const s = c.toString(16);
+  return s.length < 2 ? '0' + s : s;
+}
+
+/**
+ * Gets the contrast ratio between two relative luminance values.
+ * @param l1 The first relative luminance.
+ * @param l2 The first relative luminance.
+ * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef
+ */
+export function contrastRatio(l1: number, l2: number): number {
+  if (l1 < l2) {
+    return (l2 + 0.05) / (l1 + 0.05);
+  }
+  return (l1 + 0.05) / (l2 + 0.05);
+}
diff --git a/web/public/node_modules/xterm/src/common/CoreTerminal.ts b/web/public/node_modules/xterm/src/common/CoreTerminal.ts
new file mode 100644
index 000000000..47f77406c
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/CoreTerminal.ts
@@ -0,0 +1,284 @@
+/**
+ * Copyright (c) 2014-2020 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ *
+ * Terminal Emulation References:
+ *   http://vt100.net/
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
+ *   http://invisible-island.net/vttest/
+ *   http://www.inwap.com/pdp10/ansicode.txt
+ *   http://linux.die.net/man/4/console_codes
+ *   http://linux.die.net/man/7/urxvt
+ */
+
+import { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';
+import { IInstantiationService, IOptionsService, IBufferService, ILogService, ICharsetService, ICoreService, ICoreMouseService, IUnicodeService, LogLevelEnum, ITerminalOptions, IOscLinkService } from 'common/services/Services';
+import { InstantiationService } from 'common/services/InstantiationService';
+import { LogService } from 'common/services/LogService';
+import { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService';
+import { OptionsService } from 'common/services/OptionsService';
+import { IDisposable, IAttributeData, ICoreTerminal, IScrollEvent, ScrollSource } from 'common/Types';
+import { CoreService } from 'common/services/CoreService';
+import { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';
+import { CoreMouseService } from 'common/services/CoreMouseService';
+import { UnicodeService } from 'common/services/UnicodeService';
+import { CharsetService } from 'common/services/CharsetService';
+import { updateWindowsModeWrappedState } from 'common/WindowsMode';
+import { IFunctionIdentifier, IParams } from 'common/parser/Types';
+import { IBufferSet } from 'common/buffer/Types';
+import { InputHandler } from 'common/InputHandler';
+import { WriteBuffer } from 'common/input/WriteBuffer';
+import { OscLinkService } from 'common/services/OscLinkService';
+
+// Only trigger this warning a single time per session
+let hasWriteSyncWarnHappened = false;
+
+export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
+  protected readonly _instantiationService: IInstantiationService;
+  protected readonly _bufferService: IBufferService;
+  protected readonly _logService: ILogService;
+  protected readonly _charsetService: ICharsetService;
+  protected readonly _oscLinkService: IOscLinkService;
+
+  public readonly coreMouseService: ICoreMouseService;
+  public readonly coreService: ICoreService;
+  public readonly unicodeService: IUnicodeService;
+  public readonly optionsService: IOptionsService;
+
+  protected _inputHandler: InputHandler;
+  private _writeBuffer: WriteBuffer;
+  private _windowsWrappingHeuristics = this.register(new MutableDisposable());
+
+  private readonly _onBinary = this.register(new EventEmitter<string>());
+  public readonly onBinary = this._onBinary.event;
+  private readonly _onData = this.register(new EventEmitter<string>());
+  public readonly onData = this._onData.event;
+  protected _onLineFeed = this.register(new EventEmitter<void>());
+  public readonly onLineFeed = this._onLineFeed.event;
+  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());
+  public readonly onResize = this._onResize.event;
+  protected readonly _onWriteParsed = this.register(new EventEmitter<void>());
+  public readonly onWriteParsed = this._onWriteParsed.event;
+
+  /**
+   * Internally we track the source of the scroll but this is meaningless outside the library so
+   * it's filtered out.
+   */
+  protected _onScrollApi?: EventEmitter<number, void>;
+  protected _onScroll = this.register(new EventEmitter<IScrollEvent, void>());
+  public get onScroll(): IEvent<number, void> {
+    if (!this._onScrollApi) {
+      this._onScrollApi = this.register(new EventEmitter<number, void>());
+      this._onScroll.event(ev => {
+        this._onScrollApi?.fire(ev.position);
+      });
+    }
+    return this._onScrollApi.event;
+  }
+
+  public get cols(): number { return this._bufferService.cols; }
+  public get rows(): number { return this._bufferService.rows; }
+  public get buffers(): IBufferSet { return this._bufferService.buffers; }
+  public get options(): Required<ITerminalOptions> { return this.optionsService.options; }
+  public set options(options: ITerminalOptions) {
+    for (const key in options) {
+      this.optionsService.options[key] = options[key];
+    }
+  }
+
+  constructor(
+    options: Partial<ITerminalOptions>
+  ) {
+    super();
+
+    // Setup and initialize services
+    this._instantiationService = new InstantiationService();
+    this.optionsService = this.register(new OptionsService(options));
+    this._instantiationService.setService(IOptionsService, this.optionsService);
+    this._bufferService = this.register(this._instantiationService.createInstance(BufferService));
+    this._instantiationService.setService(IBufferService, this._bufferService);
+    this._logService = this.register(this._instantiationService.createInstance(LogService));
+    this._instantiationService.setService(ILogService, this._logService);
+    this.coreService = this.register(this._instantiationService.createInstance(CoreService));
+    this._instantiationService.setService(ICoreService, this.coreService);
+    this.coreMouseService = this.register(this._instantiationService.createInstance(CoreMouseService));
+    this._instantiationService.setService(ICoreMouseService, this.coreMouseService);
+    this.unicodeService = this.register(this._instantiationService.createInstance(UnicodeService));
+    this._instantiationService.setService(IUnicodeService, this.unicodeService);
+    this._charsetService = this._instantiationService.createInstance(CharsetService);
+    this._instantiationService.setService(ICharsetService, this._charsetService);
+    this._oscLinkService = this._instantiationService.createInstance(OscLinkService);
+    this._instantiationService.setService(IOscLinkService, this._oscLinkService);
+
+    // Register input handler and handle/forward events
+    this._inputHandler = this.register(new InputHandler(this._bufferService, this._charsetService, this.coreService, this._logService, this.optionsService, this._oscLinkService, this.coreMouseService, this.unicodeService));
+    this.register(forwardEvent(this._inputHandler.onLineFeed, this._onLineFeed));
+    this.register(this._inputHandler);
+
+    // Setup listeners
+    this.register(forwardEvent(this._bufferService.onResize, this._onResize));
+    this.register(forwardEvent(this.coreService.onData, this._onData));
+    this.register(forwardEvent(this.coreService.onBinary, this._onBinary));
+    this.register(this.coreService.onRequestScrollToBottom(() => this.scrollToBottom()));
+    this.register(this.coreService.onUserInput(() =>  this._writeBuffer.handleUserInput()));
+    this.register(this.optionsService.onMultipleOptionChange(['windowsMode', 'windowsPty'], () => this._handleWindowsPtyOptionChange()));
+    this.register(this._bufferService.onScroll(event => {
+      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
+      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);
+    }));
+    this.register(this._inputHandler.onScroll(event => {
+      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
+      this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);
+    }));
+
+    // Setup WriteBuffer
+    this._writeBuffer = this.register(new WriteBuffer((data, promiseResult) => this._inputHandler.parse(data, promiseResult)));
+    this.register(forwardEvent(this._writeBuffer.onWriteParsed, this._onWriteParsed));
+  }
+
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    this._writeBuffer.write(data, callback);
+  }
+
+  /**
+   * Write data to terminal synchonously.
+   *
+   * This method is unreliable with async parser handlers, thus should not
+   * be used anymore. If you need blocking semantics on data input consider
+   * `write` with a callback instead.
+   *
+   * @deprecated Unreliable, will be removed soon.
+   */
+  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {
+    if (this._logService.logLevel <= LogLevelEnum.WARN && !hasWriteSyncWarnHappened) {
+      this._logService.warn('writeSync is unreliable and will be removed soon.');
+      hasWriteSyncWarnHappened = true;
+    }
+    this._writeBuffer.writeSync(data, maxSubsequentCalls);
+  }
+
+  public resize(x: number, y: number): void {
+    if (isNaN(x) || isNaN(y)) {
+      return;
+    }
+
+    x = Math.max(x, MINIMUM_COLS);
+    y = Math.max(y, MINIMUM_ROWS);
+
+    this._bufferService.resize(x, y);
+  }
+
+  /**
+   * Scroll the terminal down 1 row, creating a blank line.
+   * @param eraseAttr The attribute data to use the for blank line.
+   * @param isWrapped Whether the new line is wrapped from the previous line.
+   */
+  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {
+    this._bufferService.scroll(eraseAttr, isWrapped);
+  }
+
+  /**
+   * Scroll the display of the terminal
+   * @param disp The number of lines to scroll down (negative scroll up).
+   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used to avoid
+   * unwanted events being handled by the viewport when the event was triggered from the viewport
+   * originally.
+   * @param source Which component the event came from.
+   */
+  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {
+    this._bufferService.scrollLines(disp, suppressScrollEvent, source);
+  }
+
+  public scrollPages(pageCount: number): void {
+    this.scrollLines(pageCount * (this.rows - 1));
+  }
+
+  public scrollToTop(): void {
+    this.scrollLines(-this._bufferService.buffer.ydisp);
+  }
+
+  public scrollToBottom(): void {
+    this.scrollLines(this._bufferService.buffer.ybase - this._bufferService.buffer.ydisp);
+  }
+
+  public scrollToLine(line: number): void {
+    const scrollAmount = line - this._bufferService.buffer.ydisp;
+    if (scrollAmount !== 0) {
+      this.scrollLines(scrollAmount);
+    }
+  }
+
+  /** Add handler for ESC escape sequence. See xterm.d.ts for details. */
+  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerEscHandler(id, callback);
+  }
+
+  /** Add handler for DCS escape sequence. See xterm.d.ts for details. */
+  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerDcsHandler(id, callback);
+  }
+
+  /** Add handler for CSI escape sequence. See xterm.d.ts for details. */
+  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerCsiHandler(id, callback);
+  }
+
+  /** Add handler for OSC escape sequence. See xterm.d.ts for details. */
+  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this._inputHandler.registerOscHandler(ident, callback);
+  }
+
+  protected _setup(): void {
+    this._handleWindowsPtyOptionChange();
+  }
+
+  public reset(): void {
+    this._inputHandler.reset();
+    this._bufferService.reset();
+    this._charsetService.reset();
+    this.coreService.reset();
+    this.coreMouseService.reset();
+  }
+
+
+  private _handleWindowsPtyOptionChange(): void {
+    let value = false;
+    const windowsPty = this.optionsService.rawOptions.windowsPty;
+    if (windowsPty && windowsPty.buildNumber !== undefined && windowsPty.buildNumber !== undefined) {
+      value = !!(windowsPty.backend === 'conpty' && windowsPty.buildNumber < 21376);
+    } else if (this.optionsService.rawOptions.windowsMode) {
+      value = true;
+    }
+    if (value) {
+      this._enableWindowsWrappingHeuristics();
+    } else {
+      this._windowsWrappingHeuristics.clear();
+    }
+  }
+
+  protected _enableWindowsWrappingHeuristics(): void {
+    if (!this._windowsWrappingHeuristics.value) {
+      const disposables: IDisposable[] = [];
+      disposables.push(this.onLineFeed(updateWindowsModeWrappedState.bind(null, this._bufferService)));
+      disposables.push(this.registerCsiHandler({ final: 'H' }, () => {
+        updateWindowsModeWrappedState(this._bufferService);
+        return false;
+      }));
+      this._windowsWrappingHeuristics.value = toDisposable(() => {
+        for (const d of disposables) {
+          d.dispose();
+        }
+      });
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/EventEmitter.ts b/web/public/node_modules/xterm/src/common/EventEmitter.ts
new file mode 100644
index 000000000..fd9590424
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/EventEmitter.ts
@@ -0,0 +1,73 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+
+interface IListener<T, U = void> {
+  (arg1: T, arg2: U): void;
+}
+
+export interface IEvent<T, U = void> {
+  (listener: (arg1: T, arg2: U) => any): IDisposable;
+}
+
+export interface IEventEmitter<T, U = void> {
+  event: IEvent<T, U>;
+  fire(arg1: T, arg2: U): void;
+  dispose(): void;
+}
+
+export class EventEmitter<T, U = void> implements IEventEmitter<T, U> {
+  private _listeners: IListener<T, U>[] = [];
+  private _event?: IEvent<T, U>;
+  private _disposed: boolean = false;
+
+  public get event(): IEvent<T, U> {
+    if (!this._event) {
+      this._event = (listener: (arg1: T, arg2: U) => any) => {
+        this._listeners.push(listener);
+        const disposable = {
+          dispose: () => {
+            if (!this._disposed) {
+              for (let i = 0; i < this._listeners.length; i++) {
+                if (this._listeners[i] === listener) {
+                  this._listeners.splice(i, 1);
+                  return;
+                }
+              }
+            }
+          }
+        };
+        return disposable;
+      };
+    }
+    return this._event;
+  }
+
+  public fire(arg1: T, arg2: U): void {
+    const queue: IListener<T, U>[] = [];
+    for (let i = 0; i < this._listeners.length; i++) {
+      queue.push(this._listeners[i]);
+    }
+    for (let i = 0; i < queue.length; i++) {
+      queue[i].call(undefined, arg1, arg2);
+    }
+  }
+
+  public dispose(): void {
+    this.clearListeners();
+    this._disposed = true;
+  }
+
+  public clearListeners(): void {
+    if (this._listeners) {
+      this._listeners.length = 0;
+    }
+  }
+}
+
+export function forwardEvent<T>(from: IEvent<T>, to: IEventEmitter<T>): IDisposable {
+  return from(e => to.fire(e));
+}
diff --git a/web/public/node_modules/xterm/src/common/InputHandler.ts b/web/public/node_modules/xterm/src/common/InputHandler.ts
new file mode 100644
index 000000000..bbc9256ca
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/InputHandler.ts
@@ -0,0 +1,3443 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ */
+
+import { IInputHandler, IAttributeData, IDisposable, IWindowOptions, IColorEvent, IParseStack, ColorIndex, ColorRequestType, SpecialColorIndex } from 'common/Types';
+import { C0, C1 } from 'common/data/EscapeSequences';
+import { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets';
+import { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser';
+import { Disposable } from 'common/Lifecycle';
+import { StringToUtf32, stringFromCodePoint, Utf8ToUtf32 } from 'common/input/TextDecoder';
+import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { EventEmitter } from 'common/EventEmitter';
+import { IParsingState, IEscapeSequenceParser, IParams, IFunctionIdentifier } from 'common/parser/Types';
+import { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content, UnderlineStyle } from 'common/buffer/Constants';
+import { CellData } from 'common/buffer/CellData';
+import { AttributeData } from 'common/buffer/AttributeData';
+import { ICoreService, IBufferService, IOptionsService, ILogService, ICoreMouseService, ICharsetService, IUnicodeService, LogLevelEnum, IOscLinkService } from 'common/services/Services';
+import { OscHandler } from 'common/parser/OscParser';
+import { DcsHandler } from 'common/parser/DcsParser';
+import { IBuffer } from 'common/buffer/Types';
+import { parseColor } from 'common/input/XParseColor';
+
+/**
+ * Map collect to glevel. Used in `selectCharset`.
+ */
+const GLEVEL: { [key: string]: number } = { '(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2 };
+
+/**
+ * VT commands done by the parser - FIXME: move this to the parser?
+ */
+// @vt: #Y   ESC   CSI   "Control Sequence Introducer"   "ESC ["   "Start of a CSI sequence."
+// @vt: #Y   ESC   OSC   "Operating System Command"      "ESC ]"   "Start of an OSC sequence."
+// @vt: #Y   ESC   DCS   "Device Control String"         "ESC P"   "Start of a DCS sequence."
+// @vt: #Y   ESC   ST    "String Terminator"             "ESC \"   "Terminator used for string type sequences."
+// @vt: #Y   ESC   PM    "Privacy Message"               "ESC ^"   "Start of a privacy message."
+// @vt: #Y   ESC   APC   "Application Program Command"   "ESC _"   "Start of an APC sequence."
+// @vt: #Y   C1    CSI   "Control Sequence Introducer"   "\x9B"    "Start of a CSI sequence."
+// @vt: #Y   C1    OSC   "Operating System Command"      "\x9D"    "Start of an OSC sequence."
+// @vt: #Y   C1    DCS   "Device Control String"         "\x90"    "Start of a DCS sequence."
+// @vt: #Y   C1    ST    "String Terminator"             "\x9C"    "Terminator used for string type sequences."
+// @vt: #Y   C1    PM    "Privacy Message"               "\x9E"    "Start of a privacy message."
+// @vt: #Y   C1    APC   "Application Program Command"   "\x9F"    "Start of an APC sequence."
+// @vt: #Y   C0    NUL   "Null"                          "\0, \x00"  "NUL is ignored."
+// @vt: #Y   C0    ESC   "Escape"                        "\e, \x1B"  "Start of a sequence. Cancels any other sequence."
+
+/**
+ * Document xterm VT features here that are currently unsupported
+ */
+// @vt: #E[Supported via xterm-addon-image.]  DCS   SIXEL       "SIXEL Graphics"          "DCS Ps ; Ps ; Ps ; q 	Pt ST"  "Draw SIXEL image."
+// @vt: #N  DCS   DECUDK      "User Defined Keys"       "DCS Ps ; Ps \| Pt ST"           "Definitions for user-defined keys."
+// @vt: #N  DCS   XTGETTCAP   "Request Terminfo String" "DCS + q Pt ST"                 "Request Terminfo String."
+// @vt: #N  DCS   XTSETTCAP   "Set Terminfo Data"       "DCS + p Pt ST"                 "Set Terminfo Data."
+// @vt: #N  OSC   1           "Set Icon Name"           "OSC 1 ; Pt BEL"                "Set icon name."
+
+/**
+ * Max length of the UTF32 input buffer. Real memory consumption is 4 times higher.
+ */
+const MAX_PARSEBUFFER_LENGTH = 131072;
+
+/**
+ * Limit length of title and icon name stacks.
+ */
+const STACK_LIMIT = 10;
+
+// map params to window option
+function paramToWindowOption(n: number, opts: IWindowOptions): boolean {
+  if (n > 24) {
+    return opts.setWinLines || false;
+  }
+  switch (n) {
+    case 1: return !!opts.restoreWin;
+    case 2: return !!opts.minimizeWin;
+    case 3: return !!opts.setWinPosition;
+    case 4: return !!opts.setWinSizePixels;
+    case 5: return !!opts.raiseWin;
+    case 6: return !!opts.lowerWin;
+    case 7: return !!opts.refreshWin;
+    case 8: return !!opts.setWinSizeChars;
+    case 9: return !!opts.maximizeWin;
+    case 10: return !!opts.fullscreenWin;
+    case 11: return !!opts.getWinState;
+    case 13: return !!opts.getWinPosition;
+    case 14: return !!opts.getWinSizePixels;
+    case 15: return !!opts.getScreenSizePixels;
+    case 16: return !!opts.getCellSizePixels;
+    case 18: return !!opts.getWinSizeChars;
+    case 19: return !!opts.getScreenSizeChars;
+    case 20: return !!opts.getIconTitle;
+    case 21: return !!opts.getWinTitle;
+    case 22: return !!opts.pushTitle;
+    case 23: return !!opts.popTitle;
+    case 24: return !!opts.setWinLines;
+  }
+  return false;
+}
+
+export enum WindowsOptionsReportType {
+  GET_WIN_SIZE_PIXELS = 0,
+  GET_CELL_SIZE_PIXELS = 1
+}
+
+// create a warning log if an async handler takes longer than the limit (in ms)
+const SLOW_ASYNC_LIMIT = 5000;
+
+// Work variables to avoid garbage collection
+let $temp = 0;
+
+/**
+ * The terminal's standard implementation of IInputHandler, this handles all
+ * input from the Parser.
+ *
+ * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand
+ * each function's header comment.
+ */
+export class InputHandler extends Disposable implements IInputHandler {
+  private _parseBuffer: Uint32Array = new Uint32Array(4096);
+  private _stringDecoder: StringToUtf32 = new StringToUtf32();
+  private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();
+  private _workCell: CellData = new CellData();
+  private _windowTitle = '';
+  private _iconName = '';
+  private _dirtyRowTracker: IDirtyRowTracker;
+  protected _windowTitleStack: string[] = [];
+  protected _iconNameStack: string[] = [];
+
+  private _curAttrData: IAttributeData = DEFAULT_ATTR_DATA.clone();
+  public getAttrData(): IAttributeData { return this._curAttrData; }
+  private _eraseAttrDataInternal: IAttributeData = DEFAULT_ATTR_DATA.clone();
+
+  private _activeBuffer: IBuffer;
+
+  private readonly _onRequestBell = this.register(new EventEmitter<void>());
+  public readonly onRequestBell = this._onRequestBell.event;
+  private readonly _onRequestRefreshRows = this.register(new EventEmitter<number, number>());
+  public readonly onRequestRefreshRows = this._onRequestRefreshRows.event;
+  private readonly _onRequestReset = this.register(new EventEmitter<void>());
+  public readonly onRequestReset = this._onRequestReset.event;
+  private readonly _onRequestSendFocus = this.register(new EventEmitter<void>());
+  public readonly onRequestSendFocus = this._onRequestSendFocus.event;
+  private readonly _onRequestSyncScrollBar = this.register(new EventEmitter<void>());
+  public readonly onRequestSyncScrollBar = this._onRequestSyncScrollBar.event;
+  private readonly _onRequestWindowsOptionsReport = this.register(new EventEmitter<WindowsOptionsReportType>());
+  public readonly onRequestWindowsOptionsReport = this._onRequestWindowsOptionsReport.event;
+
+  private readonly _onA11yChar = this.register(new EventEmitter<string>());
+  public readonly onA11yChar = this._onA11yChar.event;
+  private readonly _onA11yTab = this.register(new EventEmitter<number>());
+  public readonly onA11yTab = this._onA11yTab.event;
+  private readonly _onCursorMove = this.register(new EventEmitter<void>());
+  public readonly onCursorMove = this._onCursorMove.event;
+  private readonly _onLineFeed = this.register(new EventEmitter<void>());
+  public readonly onLineFeed = this._onLineFeed.event;
+  private readonly _onScroll = this.register(new EventEmitter<number>());
+  public readonly onScroll = this._onScroll.event;
+  private readonly _onTitleChange = this.register(new EventEmitter<string>());
+  public readonly onTitleChange = this._onTitleChange.event;
+  private readonly _onColor = this.register(new EventEmitter<IColorEvent>());
+  public readonly onColor = this._onColor.event;
+
+  private _parseStack: IParseStack = {
+    paused: false,
+    cursorStartX: 0,
+    cursorStartY: 0,
+    decodedLength: 0,
+    position: 0
+  };
+
+  constructor(
+    private readonly _bufferService: IBufferService,
+    private readonly _charsetService: ICharsetService,
+    private readonly _coreService: ICoreService,
+    private readonly _logService: ILogService,
+    private readonly _optionsService: IOptionsService,
+    private readonly _oscLinkService: IOscLinkService,
+    private readonly _coreMouseService: ICoreMouseService,
+    private readonly _unicodeService: IUnicodeService,
+    private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser()
+  ) {
+    super();
+    this.register(this._parser);
+    this._dirtyRowTracker = new DirtyRowTracker(this._bufferService);
+
+    // Track properties used in performance critical code manually to avoid using slow getters
+    this._activeBuffer = this._bufferService.buffer;
+    this.register(this._bufferService.buffers.onBufferActivate(e => this._activeBuffer = e.activeBuffer));
+
+    /**
+     * custom fallback handlers
+     */
+    this._parser.setCsiHandlerFallback((ident, params) => {
+      this._logService.debug('Unknown CSI code: ', { identifier: this._parser.identToString(ident), params: params.toArray() });
+    });
+    this._parser.setEscHandlerFallback(ident => {
+      this._logService.debug('Unknown ESC code: ', { identifier: this._parser.identToString(ident) });
+    });
+    this._parser.setExecuteHandlerFallback(code => {
+      this._logService.debug('Unknown EXECUTE code: ', { code });
+    });
+    this._parser.setOscHandlerFallback((identifier, action, data) => {
+      this._logService.debug('Unknown OSC code: ', { identifier, action, data });
+    });
+    this._parser.setDcsHandlerFallback((ident, action, payload) => {
+      if (action === 'HOOK') {
+        payload = payload.toArray();
+      }
+      this._logService.debug('Unknown DCS code: ', { identifier: this._parser.identToString(ident), action, payload });
+    });
+
+    /**
+     * print handler
+     */
+    this._parser.setPrintHandler((data, start, end) => this.print(data, start, end));
+
+    /**
+     * CSI handler
+     */
+    this._parser.registerCsiHandler({ final: '@' }, params => this.insertChars(params));
+    this._parser.registerCsiHandler({ intermediates: ' ', final: '@' }, params => this.scrollLeft(params));
+    this._parser.registerCsiHandler({ final: 'A' }, params => this.cursorUp(params));
+    this._parser.registerCsiHandler({ intermediates: ' ', final: 'A' }, params => this.scrollRight(params));
+    this._parser.registerCsiHandler({ final: 'B' }, params => this.cursorDown(params));
+    this._parser.registerCsiHandler({ final: 'C' }, params => this.cursorForward(params));
+    this._parser.registerCsiHandler({ final: 'D' }, params => this.cursorBackward(params));
+    this._parser.registerCsiHandler({ final: 'E' }, params => this.cursorNextLine(params));
+    this._parser.registerCsiHandler({ final: 'F' }, params => this.cursorPrecedingLine(params));
+    this._parser.registerCsiHandler({ final: 'G' }, params => this.cursorCharAbsolute(params));
+    this._parser.registerCsiHandler({ final: 'H' }, params => this.cursorPosition(params));
+    this._parser.registerCsiHandler({ final: 'I' }, params => this.cursorForwardTab(params));
+    this._parser.registerCsiHandler({ final: 'J' }, params => this.eraseInDisplay(params, false));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'J' }, params => this.eraseInDisplay(params, true));
+    this._parser.registerCsiHandler({ final: 'K' }, params => this.eraseInLine(params, false));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'K' }, params => this.eraseInLine(params, true));
+    this._parser.registerCsiHandler({ final: 'L' }, params => this.insertLines(params));
+    this._parser.registerCsiHandler({ final: 'M' }, params => this.deleteLines(params));
+    this._parser.registerCsiHandler({ final: 'P' }, params => this.deleteChars(params));
+    this._parser.registerCsiHandler({ final: 'S' }, params => this.scrollUp(params));
+    this._parser.registerCsiHandler({ final: 'T' }, params => this.scrollDown(params));
+    this._parser.registerCsiHandler({ final: 'X' }, params => this.eraseChars(params));
+    this._parser.registerCsiHandler({ final: 'Z' }, params => this.cursorBackwardTab(params));
+    this._parser.registerCsiHandler({ final: '`' }, params => this.charPosAbsolute(params));
+    this._parser.registerCsiHandler({ final: 'a' }, params => this.hPositionRelative(params));
+    this._parser.registerCsiHandler({ final: 'b' }, params => this.repeatPrecedingCharacter(params));
+    this._parser.registerCsiHandler({ final: 'c' }, params => this.sendDeviceAttributesPrimary(params));
+    this._parser.registerCsiHandler({ prefix: '>', final: 'c' }, params => this.sendDeviceAttributesSecondary(params));
+    this._parser.registerCsiHandler({ final: 'd' }, params => this.linePosAbsolute(params));
+    this._parser.registerCsiHandler({ final: 'e' }, params => this.vPositionRelative(params));
+    this._parser.registerCsiHandler({ final: 'f' }, params => this.hVPosition(params));
+    this._parser.registerCsiHandler({ final: 'g' }, params => this.tabClear(params));
+    this._parser.registerCsiHandler({ final: 'h' }, params => this.setMode(params));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'h' }, params => this.setModePrivate(params));
+    this._parser.registerCsiHandler({ final: 'l' }, params => this.resetMode(params));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'l' }, params => this.resetModePrivate(params));
+    this._parser.registerCsiHandler({ final: 'm' }, params => this.charAttributes(params));
+    this._parser.registerCsiHandler({ final: 'n' }, params => this.deviceStatus(params));
+    this._parser.registerCsiHandler({ prefix: '?', final: 'n' }, params => this.deviceStatusPrivate(params));
+    this._parser.registerCsiHandler({ intermediates: '!', final: 'p' }, params => this.softReset(params));
+    this._parser.registerCsiHandler({ intermediates: ' ', final: 'q' }, params => this.setCursorStyle(params));
+    this._parser.registerCsiHandler({ final: 'r' }, params => this.setScrollRegion(params));
+    this._parser.registerCsiHandler({ final: 's' }, params => this.saveCursor(params));
+    this._parser.registerCsiHandler({ final: 't' }, params => this.windowOptions(params));
+    this._parser.registerCsiHandler({ final: 'u' }, params => this.restoreCursor(params));
+    this._parser.registerCsiHandler({ intermediates: '\'', final: '}' }, params => this.insertColumns(params));
+    this._parser.registerCsiHandler({ intermediates: '\'', final: '~' }, params => this.deleteColumns(params));
+    this._parser.registerCsiHandler({ intermediates: '"', final: 'q' }, params => this.selectProtected(params));
+    this._parser.registerCsiHandler({ intermediates: '$', final: 'p' }, params => this.requestMode(params, true));
+    this._parser.registerCsiHandler({ prefix: '?', intermediates: '$', final: 'p' }, params => this.requestMode(params, false));
+
+    /**
+     * execute handler
+     */
+    this._parser.setExecuteHandler(C0.BEL, () => this.bell());
+    this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());
+    this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());
+    this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());
+    this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());
+    this._parser.setExecuteHandler(C0.BS, () => this.backspace());
+    this._parser.setExecuteHandler(C0.HT, () => this.tab());
+    this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());
+    this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());
+    // FIXME:   What do to with missing? Old code just added those to print.
+
+    this._parser.setExecuteHandler(C1.IND, () => this.index());
+    this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());
+    this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());
+
+    /**
+     * OSC handler
+     */
+    //   0 - icon name + title
+    this._parser.registerOscHandler(0, new OscHandler(data => { this.setTitle(data); this.setIconName(data); return true; }));
+    //   1 - icon name
+    this._parser.registerOscHandler(1, new OscHandler(data => this.setIconName(data)));
+    //   2 - title
+    this._parser.registerOscHandler(2, new OscHandler(data => this.setTitle(data)));
+    //   3 - set property X in the form "prop=value"
+    //   4 - Change Color Number
+    this._parser.registerOscHandler(4, new OscHandler(data => this.setOrReportIndexedColor(data)));
+    //   5 - Change Special Color Number
+    //   6 - Enable/disable Special Color Number c
+    //   7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)
+    //   8 - create hyperlink (not in xterm spec, see https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda)
+    this._parser.registerOscHandler(8, new OscHandler(data => this.setHyperlink(data)));
+    //  10 - Change VT100 text foreground color to Pt.
+    this._parser.registerOscHandler(10, new OscHandler(data => this.setOrReportFgColor(data)));
+    //  11 - Change VT100 text background color to Pt.
+    this._parser.registerOscHandler(11, new OscHandler(data => this.setOrReportBgColor(data)));
+    //  12 - Change text cursor color to Pt.
+    this._parser.registerOscHandler(12, new OscHandler(data => this.setOrReportCursorColor(data)));
+    //  13 - Change mouse foreground color to Pt.
+    //  14 - Change mouse background color to Pt.
+    //  15 - Change Tektronix foreground color to Pt.
+    //  16 - Change Tektronix background color to Pt.
+    //  17 - Change highlight background color to Pt.
+    //  18 - Change Tektronix cursor color to Pt.
+    //  19 - Change highlight foreground color to Pt.
+    //  46 - Change Log File to Pt.
+    //  50 - Set Font to Pt.
+    //  51 - reserved for Emacs shell.
+    //  52 - Manipulate Selection Data.
+    // 104 ; c - Reset Color Number c.
+    this._parser.registerOscHandler(104, new OscHandler(data => this.restoreIndexedColor(data)));
+    // 105 ; c - Reset Special Color Number c.
+    // 106 ; c; f - Enable/disable Special Color Number c.
+    // 110 - Reset VT100 text foreground color.
+    this._parser.registerOscHandler(110, new OscHandler(data => this.restoreFgColor(data)));
+    // 111 - Reset VT100 text background color.
+    this._parser.registerOscHandler(111, new OscHandler(data => this.restoreBgColor(data)));
+    // 112 - Reset text cursor color.
+    this._parser.registerOscHandler(112, new OscHandler(data => this.restoreCursorColor(data)));
+    // 113 - Reset mouse foreground color.
+    // 114 - Reset mouse background color.
+    // 115 - Reset Tektronix foreground color.
+    // 116 - Reset Tektronix background color.
+    // 117 - Reset highlight color.
+    // 118 - Reset Tektronix cursor color.
+    // 119 - Reset highlight foreground color.
+
+    /**
+     * ESC handlers
+     */
+    this._parser.registerEscHandler({ final: '7' }, () => this.saveCursor());
+    this._parser.registerEscHandler({ final: '8' }, () => this.restoreCursor());
+    this._parser.registerEscHandler({ final: 'D' }, () => this.index());
+    this._parser.registerEscHandler({ final: 'E' }, () => this.nextLine());
+    this._parser.registerEscHandler({ final: 'H' }, () => this.tabSet());
+    this._parser.registerEscHandler({ final: 'M' }, () => this.reverseIndex());
+    this._parser.registerEscHandler({ final: '=' }, () => this.keypadApplicationMode());
+    this._parser.registerEscHandler({ final: '>' }, () => this.keypadNumericMode());
+    this._parser.registerEscHandler({ final: 'c' }, () => this.fullReset());
+    this._parser.registerEscHandler({ final: 'n' }, () => this.setgLevel(2));
+    this._parser.registerEscHandler({ final: 'o' }, () => this.setgLevel(3));
+    this._parser.registerEscHandler({ final: '|' }, () => this.setgLevel(3));
+    this._parser.registerEscHandler({ final: '}' }, () => this.setgLevel(2));
+    this._parser.registerEscHandler({ final: '~' }, () => this.setgLevel(1));
+    this._parser.registerEscHandler({ intermediates: '%', final: '@' }, () => this.selectDefaultCharset());
+    this._parser.registerEscHandler({ intermediates: '%', final: 'G' }, () => this.selectDefaultCharset());
+    for (const flag in CHARSETS) {
+      this._parser.registerEscHandler({ intermediates: '(', final: flag }, () => this.selectCharset('(' + flag));
+      this._parser.registerEscHandler({ intermediates: ')', final: flag }, () => this.selectCharset(')' + flag));
+      this._parser.registerEscHandler({ intermediates: '*', final: flag }, () => this.selectCharset('*' + flag));
+      this._parser.registerEscHandler({ intermediates: '+', final: flag }, () => this.selectCharset('+' + flag));
+      this._parser.registerEscHandler({ intermediates: '-', final: flag }, () => this.selectCharset('-' + flag));
+      this._parser.registerEscHandler({ intermediates: '.', final: flag }, () => this.selectCharset('.' + flag));
+      this._parser.registerEscHandler({ intermediates: '/', final: flag }, () => this.selectCharset('/' + flag)); // TODO: supported?
+    }
+    this._parser.registerEscHandler({ intermediates: '#', final: '8' }, () => this.screenAlignmentPattern());
+
+    /**
+     * error handler
+     */
+    this._parser.setErrorHandler((state: IParsingState) => {
+      this._logService.error('Parsing error: ', state);
+      return state;
+    });
+
+    /**
+     * DCS handler
+     */
+    this._parser.registerDcsHandler({ intermediates: '$', final: 'q' }, new DcsHandler((data, params) => this.requestStatusString(data, params)));
+  }
+
+  /**
+   * Async parse support.
+   */
+  private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void {
+    this._parseStack.paused = true;
+    this._parseStack.cursorStartX = cursorStartX;
+    this._parseStack.cursorStartY = cursorStartY;
+    this._parseStack.decodedLength = decodedLength;
+    this._parseStack.position = position;
+  }
+
+  private _logSlowResolvingAsync(p: Promise<boolean>): void {
+    // log a limited warning about an async handler taking too long
+    if (this._logService.logLevel <= LogLevelEnum.WARN) {
+      Promise.race([p, new Promise((res, rej) => setTimeout(() => rej('#SLOW_TIMEOUT'), SLOW_ASYNC_LIMIT))])
+        .catch(err => {
+          if (err !== '#SLOW_TIMEOUT') {
+            throw err;
+          }
+          console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`);
+        });
+    }
+  }
+
+  private _getCurrentLinkId(): number {
+    return this._curAttrData.extended.urlId;
+  }
+
+  /**
+   * Parse call with async handler support.
+   *
+   * Whether the stack state got preserved for the next call, is indicated by the return value:
+   * - undefined (void):
+   *   all handlers were sync, no stack save, continue normally with next chunk
+   * - Promise\<boolean\>:
+   *   execution stopped at async handler, stack saved, continue with same chunk and the promise
+   *   resolve value as `promiseResult` until the method returns `undefined`
+   *
+   * Note: This method should only be called by `Terminal.write` to ensure correct execution order
+   * and proper continuation of async parser handlers.
+   */
+  public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean> {
+    let result: void | Promise<boolean>;
+    let cursorStartX = this._activeBuffer.x;
+    let cursorStartY = this._activeBuffer.y;
+    let start = 0;
+    const wasPaused = this._parseStack.paused;
+
+    if (wasPaused) {
+      // assumption: _parseBuffer never mutates between async calls
+      if (result = this._parser.parse(this._parseBuffer, this._parseStack.decodedLength, promiseResult)) {
+        this._logSlowResolvingAsync(result);
+        return result;
+      }
+      cursorStartX = this._parseStack.cursorStartX;
+      cursorStartY = this._parseStack.cursorStartY;
+      this._parseStack.paused = false;
+      if (data.length > MAX_PARSEBUFFER_LENGTH) {
+        start = this._parseStack.position + MAX_PARSEBUFFER_LENGTH;
+      }
+    }
+
+    // Log debug data, the log level gate is to prevent extra work in this hot path
+    if (this._logService.logLevel <= LogLevelEnum.DEBUG) {
+      this._logService.debug(`parsing data${typeof data === 'string' ? ` "${data}"` : ` "${Array.prototype.map.call(data, e => String.fromCharCode(e)).join('')}"`}`, typeof data === 'string'
+        ? data.split('').map(e => e.charCodeAt(0))
+        : data
+      );
+    }
+
+    // resize input buffer if needed
+    if (this._parseBuffer.length < data.length) {
+      if (this._parseBuffer.length < MAX_PARSEBUFFER_LENGTH) {
+        this._parseBuffer = new Uint32Array(Math.min(data.length, MAX_PARSEBUFFER_LENGTH));
+      }
+    }
+
+    // Clear the dirty row service so we know which lines changed as a result of parsing
+    // Important: do not clear between async calls, otherwise we lost pending update information.
+    if (!wasPaused) {
+      this._dirtyRowTracker.clearRange();
+    }
+
+    // process big data in smaller chunks
+    if (data.length > MAX_PARSEBUFFER_LENGTH) {
+      for (let i = start; i < data.length; i += MAX_PARSEBUFFER_LENGTH) {
+        const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length;
+        const len = (typeof data === 'string')
+          ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer)
+          : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer);
+        if (result = this._parser.parse(this._parseBuffer, len)) {
+          this._preserveStack(cursorStartX, cursorStartY, len, i);
+          this._logSlowResolvingAsync(result);
+          return result;
+        }
+      }
+    } else {
+      if (!wasPaused) {
+        const len = (typeof data === 'string')
+          ? this._stringDecoder.decode(data, this._parseBuffer)
+          : this._utf8Decoder.decode(data, this._parseBuffer);
+        if (result = this._parser.parse(this._parseBuffer, len)) {
+          this._preserveStack(cursorStartX, cursorStartY, len, 0);
+          this._logSlowResolvingAsync(result);
+          return result;
+        }
+      }
+    }
+
+    if (this._activeBuffer.x !== cursorStartX || this._activeBuffer.y !== cursorStartY) {
+      this._onCursorMove.fire();
+    }
+
+    // Refresh any dirty rows accumulated as part of parsing
+    this._onRequestRefreshRows.fire(this._dirtyRowTracker.start, this._dirtyRowTracker.end);
+  }
+
+  public print(data: Uint32Array, start: number, end: number): void {
+    let code: number;
+    let chWidth: number;
+    const charset = this._charsetService.charset;
+    const screenReaderMode = this._optionsService.rawOptions.screenReaderMode;
+    const cols = this._bufferService.cols;
+    const wraparoundMode = this._coreService.decPrivateModes.wraparound;
+    const insertMode = this._coreService.modes.insertMode;
+    const curAttr = this._curAttrData;
+    let bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+
+    // handle wide chars: reset start_cell-1 if we would overwrite the second cell of a wide char
+    if (this._activeBuffer.x && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x - 1) === 2) {
+      bufferRow.setCellFromCodePoint(this._activeBuffer.x - 1, 0, 1, curAttr.fg, curAttr.bg, curAttr.extended);
+    }
+
+    for (let pos = start; pos < end; ++pos) {
+      code = data[pos];
+
+      // calculate print space
+      // expensive call, therefore we save width in line buffer
+      chWidth = this._unicodeService.wcwidth(code);
+
+      // get charset replacement character
+      // charset is only defined for ASCII, therefore we only
+      // search for an replacement char if code < 127
+      if (code < 127 && charset) {
+        const ch = charset[String.fromCharCode(code)];
+        if (ch) {
+          code = ch.charCodeAt(0);
+        }
+      }
+
+      if (screenReaderMode) {
+        this._onA11yChar.fire(stringFromCodePoint(code));
+      }
+      if (this._getCurrentLinkId()) {
+        this._oscLinkService.addLineToLink(this._getCurrentLinkId(), this._activeBuffer.ybase + this._activeBuffer.y);
+      }
+
+      // insert combining char at last cursor position
+      // this._activeBuffer.x should never be 0 for a combining char
+      // since they always follow a cell consuming char
+      // therefore we can test for this._activeBuffer.x to avoid overflow left
+      if (!chWidth && this._activeBuffer.x) {
+        if (!bufferRow.getWidth(this._activeBuffer.x - 1)) {
+          // found empty cell after fullwidth, need to go 2 cells back
+          // it is save to step 2 cells back here
+          // since an empty cell is only set by fullwidth chars
+          bufferRow.addCodepointToCell(this._activeBuffer.x - 2, code);
+        } else {
+          bufferRow.addCodepointToCell(this._activeBuffer.x - 1, code);
+        }
+        continue;
+      }
+
+      // goto next line if ch would overflow
+      // NOTE: To avoid costly width checks here,
+      // the terminal does not allow a cols < 2.
+      if (this._activeBuffer.x + chWidth - 1 >= cols) {
+        // autowrap - DECAWM
+        // automatically wraps to the beginning of the next line
+        if (wraparoundMode) {
+          // clear left over cells to the right
+          while (this._activeBuffer.x < cols) {
+            bufferRow.setCellFromCodePoint(this._activeBuffer.x++, 0, 1, curAttr.fg, curAttr.bg, curAttr.extended);
+          }
+          this._activeBuffer.x = 0;
+          this._activeBuffer.y++;
+          if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {
+            this._activeBuffer.y--;
+            this._bufferService.scroll(this._eraseAttrData(), true);
+          } else {
+            if (this._activeBuffer.y >= this._bufferService.rows) {
+              this._activeBuffer.y = this._bufferService.rows - 1;
+            }
+            // The line already exists (eg. the initial viewport), mark it as a
+            // wrapped line
+            this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = true;
+          }
+          // row changed, get it again
+          bufferRow = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+        } else {
+          this._activeBuffer.x = cols - 1;
+          if (chWidth === 2) {
+            // FIXME: check for xterm behavior
+            // What to do here? We got a wide char that does not fit into last cell
+            continue;
+          }
+        }
+      }
+
+      // insert mode: move characters to right
+      if (insertMode) {
+        // right shift cells according to the width
+        bufferRow.insertCells(this._activeBuffer.x, chWidth, this._activeBuffer.getNullCell(curAttr), curAttr);
+        // test last cell - since the last cell has only room for
+        // a halfwidth char any fullwidth shifted there is lost
+        // and will be set to empty cell
+        if (bufferRow.getWidth(cols - 1) === 2) {
+          bufferRow.setCellFromCodePoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr.fg, curAttr.bg, curAttr.extended);
+        }
+      }
+
+      // write current char to buffer and advance cursor
+      bufferRow.setCellFromCodePoint(this._activeBuffer.x++, code, chWidth, curAttr.fg, curAttr.bg, curAttr.extended);
+
+      // fullwidth char - also set next cell to placeholder stub and advance cursor
+      // for graphemes bigger than fullwidth we can simply loop to zero
+      // we already made sure above, that this._activeBuffer.x + chWidth will not overflow right
+      if (chWidth > 0) {
+        while (--chWidth) {
+          // other than a regular empty cell a cell following a wide char has no width
+          bufferRow.setCellFromCodePoint(this._activeBuffer.x++, 0, 0, curAttr.fg, curAttr.bg, curAttr.extended);
+        }
+      }
+    }
+    // store last char in Parser.precedingCodepoint for REP to work correctly
+    // This needs to check whether:
+    //  - fullwidth + surrogates: reset
+    //  - combining: only base char gets carried on (bug in xterm?)
+    if (end - start > 0) {
+      bufferRow.loadCell(this._activeBuffer.x - 1, this._workCell);
+      if (this._workCell.getWidth() === 2 || this._workCell.getCode() > 0xFFFF) {
+        this._parser.precedingCodepoint = 0;
+      } else if (this._workCell.isCombined()) {
+        this._parser.precedingCodepoint = this._workCell.getChars().charCodeAt(0);
+      } else {
+        this._parser.precedingCodepoint = this._workCell.content;
+      }
+    }
+
+    // handle wide chars: reset cell to the right if it is second cell of a wide char
+    if (this._activeBuffer.x < cols && end - start > 0 && bufferRow.getWidth(this._activeBuffer.x) === 0 && !bufferRow.hasContent(this._activeBuffer.x)) {
+      bufferRow.setCellFromCodePoint(this._activeBuffer.x, 0, 1, curAttr.fg, curAttr.bg, curAttr.extended);
+    }
+
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+  }
+
+  /**
+   * Forward registerCsiHandler from parser.
+   */
+  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable {
+    if (id.final === 't' && !id.prefix && !id.intermediates) {
+      // security: always check whether window option is allowed
+      return this._parser.registerCsiHandler(id, params => {
+        if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {
+          return true;
+        }
+        return callback(params);
+      });
+    }
+    return this._parser.registerCsiHandler(id, callback);
+  }
+
+  /**
+   * Forward registerDcsHandler from parser.
+   */
+  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable {
+    return this._parser.registerDcsHandler(id, new DcsHandler(callback));
+  }
+
+  /**
+   * Forward registerEscHandler from parser.
+   */
+  public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable {
+    return this._parser.registerEscHandler(id, callback);
+  }
+
+  /**
+   * Forward registerOscHandler from parser.
+   */
+  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this._parser.registerOscHandler(ident, new OscHandler(callback));
+  }
+
+  /**
+   * BEL
+   * Bell (Ctrl-G).
+   *
+   * @vt: #Y   C0    BEL   "Bell"  "\a, \x07"  "Ring the bell."
+   * The behavior of the bell is further customizable with `ITerminalOptions.bellStyle`
+   * and `ITerminalOptions.bellSound`.
+   */
+  public bell(): boolean {
+    this._onRequestBell.fire();
+    return true;
+  }
+
+  /**
+   * LF
+   * Line Feed or New Line (NL).  (LF  is Ctrl-J).
+   *
+   * @vt: #Y   C0    LF   "Line Feed"            "\n, \x0A"  "Move the cursor one row down, scrolling if needed."
+   * Scrolling is restricted to scroll margins and will only happen on the bottom line.
+   *
+   * @vt: #Y   C0    VT   "Vertical Tabulation"  "\v, \x0B"  "Treated as LF."
+   * @vt: #Y   C0    FF   "Form Feed"            "\f, \x0C"  "Treated as LF."
+   */
+  public lineFeed(): boolean {
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    if (this._optionsService.rawOptions.convertEol) {
+      this._activeBuffer.x = 0;
+    }
+    this._activeBuffer.y++;
+    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {
+      this._activeBuffer.y--;
+      this._bufferService.scroll(this._eraseAttrData());
+    } else if (this._activeBuffer.y >= this._bufferService.rows) {
+      this._activeBuffer.y = this._bufferService.rows - 1;
+    } else {
+      // There was an explicit line feed (not just a carriage return), so clear the wrapped state of
+      // the line. This is particularly important on conpty/Windows where revisiting lines to
+      // reprint is common, especially on resize. Note that the windowsMode wrapped line heuristics
+      // can mess with this so windowsMode should be disabled, which is recommended on Windows build
+      // 21376 and above.
+      this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;
+    }
+    // If the end of the line is hit, prevent this action from wrapping around to the next line.
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      this._activeBuffer.x--;
+    }
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+
+    this._onLineFeed.fire();
+    return true;
+  }
+
+  /**
+   * CR
+   * Carriage Return (Ctrl-M).
+   *
+   * @vt: #Y   C0    CR   "Carriage Return"  "\r, \x0D"  "Move the cursor to the beginning of the row."
+   */
+  public carriageReturn(): boolean {
+    this._activeBuffer.x = 0;
+    return true;
+  }
+
+  /**
+   * BS
+   * Backspace (Ctrl-H).
+   *
+   * @vt: #Y   C0    BS   "Backspace"  "\b, \x08"  "Move the cursor one position to the left."
+   * By default it is not possible to move the cursor past the leftmost position.
+   * If `reverse wrap-around` (`CSI ? 45 h`) is set, a previous soft line wrap (DECAWM)
+   * can be undone with BS within the scroll margins. In that case the cursor will wrap back
+   * to the end of the previous row. Note that it is not possible to peek back into the scrollbuffer
+   * with the cursor, thus at the home position (top-leftmost cell) this has no effect.
+   */
+  public backspace(): boolean {
+    // reverse wrap-around is disabled
+    if (!this._coreService.decPrivateModes.reverseWraparound) {
+      this._restrictCursor();
+      if (this._activeBuffer.x > 0) {
+        this._activeBuffer.x--;
+      }
+      return true;
+    }
+
+    // reverse wrap-around is enabled
+    // other than for normal operation mode, reverse wrap-around allows the cursor
+    // to be at x=cols to be able to address the last cell of a row by BS
+    this._restrictCursor(this._bufferService.cols);
+
+    if (this._activeBuffer.x > 0) {
+      this._activeBuffer.x--;
+    } else {
+      /**
+       * reverse wrap-around handling:
+       * Our implementation deviates from xterm on purpose. Details:
+       * - only previous soft NLs can be reversed (isWrapped=true)
+       * - only works within scrollborders (top/bottom, left/right not yet supported)
+       * - cannot peek into scrollbuffer
+       * - any cursor movement sequence keeps working as expected
+       */
+      if (this._activeBuffer.x === 0
+        && this._activeBuffer.y > this._activeBuffer.scrollTop
+        && this._activeBuffer.y <= this._activeBuffer.scrollBottom
+        && this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)?.isWrapped) {
+        this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!.isWrapped = false;
+        this._activeBuffer.y--;
+        this._activeBuffer.x = this._bufferService.cols - 1;
+        // find last taken cell - last cell can have 3 different states:
+        // - hasContent(true) + hasWidth(1): narrow char - we are done
+        // - hasWidth(0): second part of wide char - we are done
+        // - hasContent(false) + hasWidth(1): empty cell due to early wrapping wide char, go one
+        //   cell further back
+        const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y)!;
+        if (line.hasWidth(this._activeBuffer.x) && !line.hasContent(this._activeBuffer.x)) {
+          this._activeBuffer.x--;
+          // We do this only once, since width=1 + hasContent=false currently happens only once
+          // before early wrapping of a wide char.
+          // This needs to be fixed once we support graphemes taking more than 2 cells.
+        }
+      }
+    }
+    this._restrictCursor();
+    return true;
+  }
+
+  /**
+   * TAB
+   * Horizontal Tab (HT) (Ctrl-I).
+   *
+   * @vt: #Y   C0    HT   "Horizontal Tabulation"  "\t, \x09"  "Move the cursor to the next character tab stop."
+   */
+  public tab(): boolean {
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      return true;
+    }
+    const originalX = this._activeBuffer.x;
+    this._activeBuffer.x = this._activeBuffer.nextStop();
+    if (this._optionsService.rawOptions.screenReaderMode) {
+      this._onA11yTab.fire(this._activeBuffer.x - originalX);
+    }
+    return true;
+  }
+
+  /**
+   * SO
+   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the
+   * G1 character set.
+   *
+   * @vt: #P[Only limited ISO-2022 charset support.]  C0    SO   "Shift Out"  "\x0E"  "Switch to an alternative character set."
+   */
+  public shiftOut(): boolean {
+    this._charsetService.setgLevel(1);
+    return true;
+  }
+
+  /**
+   * SI
+   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0
+   * character set (the default).
+   *
+   * @vt: #Y   C0    SI   "Shift In"   "\x0F"  "Return to regular character set after Shift Out."
+   */
+  public shiftIn(): boolean {
+    this._charsetService.setgLevel(0);
+    return true;
+  }
+
+  /**
+   * Restrict cursor to viewport size / scroll margin (origin mode).
+   */
+  private _restrictCursor(maxCol: number = this._bufferService.cols - 1): void {
+    this._activeBuffer.x = Math.min(maxCol, Math.max(0, this._activeBuffer.x));
+    this._activeBuffer.y = this._coreService.decPrivateModes.origin
+      ? Math.min(this._activeBuffer.scrollBottom, Math.max(this._activeBuffer.scrollTop, this._activeBuffer.y))
+      : Math.min(this._bufferService.rows - 1, Math.max(0, this._activeBuffer.y));
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+  }
+
+  /**
+   * Set absolute cursor position.
+   */
+  private _setCursor(x: number, y: number): void {
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    if (this._coreService.decPrivateModes.origin) {
+      this._activeBuffer.x = x;
+      this._activeBuffer.y = this._activeBuffer.scrollTop + y;
+    } else {
+      this._activeBuffer.x = x;
+      this._activeBuffer.y = y;
+    }
+    this._restrictCursor();
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+  }
+
+  /**
+   * Set relative cursor position.
+   */
+  private _moveCursor(x: number, y: number): void {
+    // for relative changes we have to make sure we are within 0 .. cols/rows - 1
+    // before calculating the new position
+    this._restrictCursor();
+    this._setCursor(this._activeBuffer.x + x, this._activeBuffer.y + y);
+  }
+
+  /**
+   * CSI Ps A
+   * Cursor Up Ps Times (default = 1) (CUU).
+   *
+   * @vt: #Y CSI CUU   "Cursor Up"   "CSI Ps A"  "Move cursor `Ps` times up (default=1)."
+   * If the cursor would pass the top scroll margin, it will stop there.
+   */
+  public cursorUp(params: IParams): boolean {
+    // stop at scrollTop
+    const diffToTop = this._activeBuffer.y - this._activeBuffer.scrollTop;
+    if (diffToTop >= 0) {
+      this._moveCursor(0, -Math.min(diffToTop, params.params[0] || 1));
+    } else {
+      this._moveCursor(0, -(params.params[0] || 1));
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps B
+   * Cursor Down Ps Times (default = 1) (CUD).
+   *
+   * @vt: #Y CSI CUD   "Cursor Down"   "CSI Ps B"  "Move cursor `Ps` times down (default=1)."
+   * If the cursor would pass the bottom scroll margin, it will stop there.
+   */
+  public cursorDown(params: IParams): boolean {
+    // stop at scrollBottom
+    const diffToBottom = this._activeBuffer.scrollBottom - this._activeBuffer.y;
+    if (diffToBottom >= 0) {
+      this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1));
+    } else {
+      this._moveCursor(0, params.params[0] || 1);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps C
+   * Cursor Forward Ps Times (default = 1) (CUF).
+   *
+   * @vt: #Y CSI CUF   "Cursor Forward"    "CSI Ps C"  "Move cursor `Ps` times forward (default=1)."
+   */
+  public cursorForward(params: IParams): boolean {
+    this._moveCursor(params.params[0] || 1, 0);
+    return true;
+  }
+
+  /**
+   * CSI Ps D
+   * Cursor Backward Ps Times (default = 1) (CUB).
+   *
+   * @vt: #Y CSI CUB   "Cursor Backward"   "CSI Ps D"  "Move cursor `Ps` times backward (default=1)."
+   */
+  public cursorBackward(params: IParams): boolean {
+    this._moveCursor(-(params.params[0] || 1), 0);
+    return true;
+  }
+
+  /**
+   * CSI Ps E
+   * Cursor Next Line Ps Times (default = 1) (CNL).
+   * Other than cursorDown (CUD) also set the cursor to first column.
+   *
+   * @vt: #Y CSI CNL   "Cursor Next Line"  "CSI Ps E"  "Move cursor `Ps` times down (default=1) and to the first column."
+   * Same as CUD, additionally places the cursor at the first column.
+   */
+  public cursorNextLine(params: IParams): boolean {
+    this.cursorDown(params);
+    this._activeBuffer.x = 0;
+    return true;
+  }
+
+  /**
+   * CSI Ps F
+   * Cursor Previous Line Ps Times (default = 1) (CPL).
+   * Other than cursorUp (CUU) also set the cursor to first column.
+   *
+   * @vt: #Y CSI CPL   "Cursor Backward"   "CSI Ps F"  "Move cursor `Ps` times up (default=1) and to the first column."
+   * Same as CUU, additionally places the cursor at the first column.
+   */
+  public cursorPrecedingLine(params: IParams): boolean {
+    this.cursorUp(params);
+    this._activeBuffer.x = 0;
+    return true;
+  }
+
+  /**
+   * CSI Ps G
+   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).
+   *
+   * @vt: #Y CSI CHA   "Cursor Horizontal Absolute" "CSI Ps G" "Move cursor to `Ps`-th column of the active row (default=1)."
+   */
+  public cursorCharAbsolute(params: IParams): boolean {
+    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps H
+   * Cursor Position [row;column] (default = [1,1]) (CUP).
+   *
+   * @vt: #Y CSI CUP   "Cursor Position"   "CSI Ps ; Ps H"  "Set cursor to position [`Ps`, `Ps`] (default = [1, 1])."
+   * If ORIGIN mode is set, places the cursor to the absolute position within the scroll margins.
+   * If ORIGIN mode is not set, places the cursor to the absolute position within the viewport.
+   * Note that the coordinates are 1-based, thus the top left position starts at `1 ; 1`.
+   */
+  public cursorPosition(params: IParams): boolean {
+    this._setCursor(
+      // col
+      (params.length >= 2) ? (params.params[1] || 1) - 1 : 0,
+      // row
+      (params.params[0] || 1) - 1
+    );
+    return true;
+  }
+
+  /**
+   * CSI Pm `  Character Position Absolute
+   *   [column] (default = [row,1]) (HPA).
+   * Currently same functionality as CHA.
+   *
+   * @vt: #Y CSI HPA   "Horizontal Position Absolute"  "CSI Ps ` " "Same as CHA."
+   */
+  public charPosAbsolute(params: IParams): boolean {
+    this._setCursor((params.params[0] || 1) - 1, this._activeBuffer.y);
+    return true;
+  }
+
+  /**
+   * CSI Pm a  Character Position Relative
+   *   [columns] (default = [row,col+1]) (HPR)
+   *
+   * @vt: #Y CSI HPR   "Horizontal Position Relative"  "CSI Ps a"  "Same as CUF."
+   */
+  public hPositionRelative(params: IParams): boolean {
+    this._moveCursor(params.params[0] || 1, 0);
+    return true;
+  }
+
+  /**
+   * CSI Pm d  Vertical Position Absolute (VPA)
+   *   [row] (default = [1,column])
+   *
+   * @vt: #Y CSI VPA   "Vertical Position Absolute"    "CSI Ps d"  "Move cursor to `Ps`-th row (default=1)."
+   */
+  public linePosAbsolute(params: IParams): boolean {
+    this._setCursor(this._activeBuffer.x, (params.params[0] || 1) - 1);
+    return true;
+  }
+
+  /**
+   * CSI Pm e  Vertical Position Relative (VPR)
+   *   [rows] (default = [row+1,column])
+   * reuse CSI Ps B ?
+   *
+   * @vt: #Y CSI VPR   "Vertical Position Relative"    "CSI Ps e"  "Move cursor `Ps` times down (default=1)."
+   */
+  public vPositionRelative(params: IParams): boolean {
+    this._moveCursor(0, params.params[0] || 1);
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps f
+   *   Horizontal and Vertical Position [row;column] (default =
+   *   [1,1]) (HVP).
+   *   Same as CUP.
+   *
+   * @vt: #Y CSI HVP   "Horizontal and Vertical Position" "CSI Ps ; Ps f"  "Same as CUP."
+   */
+  public hVPosition(params: IParams): boolean {
+    this.cursorPosition(params);
+    return true;
+  }
+
+  /**
+   * CSI Ps g  Tab Clear (TBC).
+   *     Ps = 0  -> Clear Current Column (default).
+   *     Ps = 3  -> Clear All.
+   * Potentially:
+   *   Ps = 2  -> Clear Stops on Line.
+   *   http://vt100.net/annarbor/aaa-ug/section6.html
+   *
+   * @vt: #Y CSI TBC   "Tab Clear" "CSI Ps g"  "Clear tab stops at current position (0) or all (3) (default=0)."
+   * Clearing tabstops off the active row (Ps = 2, VT100) is currently not supported.
+   */
+  public tabClear(params: IParams): boolean {
+    const param = params.params[0];
+    if (param === 0) {
+      delete this._activeBuffer.tabs[this._activeBuffer.x];
+    } else if (param === 3) {
+      this._activeBuffer.tabs = {};
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps I
+   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
+   *
+   * @vt: #Y CSI CHT   "Cursor Horizontal Tabulation" "CSI Ps I" "Move cursor `Ps` times tabs forward (default=1)."
+   */
+  public cursorForwardTab(params: IParams): boolean {
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      return true;
+    }
+    let param = params.params[0] || 1;
+    while (param--) {
+      this._activeBuffer.x = this._activeBuffer.nextStop();
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
+   *
+   * @vt: #Y CSI CBT   "Cursor Backward Tabulation"  "CSI Ps Z"  "Move cursor `Ps` tabs backward (default=1)."
+   */
+  public cursorBackwardTab(params: IParams): boolean {
+    if (this._activeBuffer.x >= this._bufferService.cols) {
+      return true;
+    }
+    let param = params.params[0] || 1;
+
+    while (param--) {
+      this._activeBuffer.x = this._activeBuffer.prevStop();
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps " q  Select Character Protection Attribute (DECSCA).
+   *
+   * @vt: #Y CSI DECSCA   "Select Character Protection Attribute"  "CSI Ps " q"  "Whether DECSED and DECSEL can erase (0=default, 2) or not (1)."
+   */
+  public selectProtected(params: IParams): boolean {
+    const p = params.params[0];
+    if (p === 1) this._curAttrData.bg |= BgFlags.PROTECTED;
+    if (p === 2 || p === 0) this._curAttrData.bg &= ~BgFlags.PROTECTED;
+    return true;
+  }
+
+
+  /**
+   * Helper method to erase cells in a terminal row.
+   * The cell gets replaced with the eraseChar of the terminal.
+   * @param y The row index relative to the viewport.
+   * @param start The start x index of the range to be erased.
+   * @param end The end x index of the range to be erased (exclusive).
+   * @param clearWrap clear the isWrapped flag
+   * @param respectProtect Whether to respect the protection attribute (DECSCA).
+   */
+  private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false, respectProtect: boolean = false): void {
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+    line.replaceCells(
+      start,
+      end,
+      this._activeBuffer.getNullCell(this._eraseAttrData()),
+      this._eraseAttrData(),
+      respectProtect
+    );
+    if (clearWrap) {
+      line.isWrapped = false;
+    }
+  }
+
+  /**
+   * Helper method to reset cells in a terminal row. The cell gets replaced with the eraseChar of
+   * the terminal and the isWrapped property is set to false.
+   * @param y row index
+   */
+  private _resetBufferLine(y: number, respectProtect: boolean = false): void {
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y);
+    if (line) {
+      line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()), respectProtect);
+      this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase + y);
+      line.isWrapped = false;
+    }
+  }
+
+  /**
+   * CSI Ps J  Erase in Display (ED).
+   *     Ps = 0  -> Erase Below (default).
+   *     Ps = 1  -> Erase Above.
+   *     Ps = 2  -> Erase All.
+   *     Ps = 3  -> Erase Saved Lines (xterm).
+   * CSI ? Ps J
+   *   Erase in Display (DECSED).
+   *     Ps = 0  -> Selective Erase Below (default).
+   *     Ps = 1  -> Selective Erase Above.
+   *     Ps = 2  -> Selective Erase All.
+   *
+   * @vt: #Y CSI ED  "Erase In Display"  "CSI Ps J"  "Erase various parts of the viewport."
+   * Supported param values:
+   *
+   * | Ps | Effect                                                       |
+   * | -- | ------------------------------------------------------------ |
+   * | 0  | Erase from the cursor through the end of the viewport.       |
+   * | 1  | Erase from the beginning of the viewport through the cursor. |
+   * | 2  | Erase complete viewport.                                     |
+   * | 3  | Erase scrollback.                                            |
+   *
+   * @vt: #Y CSI DECSED   "Selective Erase In Display"  "CSI ? Ps J"  "Same as ED with respecting protection flag."
+   */
+  public eraseInDisplay(params: IParams, respectProtect: boolean = false): boolean {
+    this._restrictCursor(this._bufferService.cols);
+    let j;
+    switch (params.params[0]) {
+      case 0:
+        j = this._activeBuffer.y;
+        this._dirtyRowTracker.markDirty(j);
+        this._eraseInBufferLine(j++, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);
+        for (; j < this._bufferService.rows; j++) {
+          this._resetBufferLine(j, respectProtect);
+        }
+        this._dirtyRowTracker.markDirty(j);
+        break;
+      case 1:
+        j = this._activeBuffer.y;
+        this._dirtyRowTracker.markDirty(j);
+        // Deleted front part of line and everything before. This line will no longer be wrapped.
+        this._eraseInBufferLine(j, 0, this._activeBuffer.x + 1, true, respectProtect);
+        if (this._activeBuffer.x + 1 >= this._bufferService.cols) {
+          // Deleted entire previous line. This next line can no longer be wrapped.
+          this._activeBuffer.lines.get(j + 1)!.isWrapped = false;
+        }
+        while (j--) {
+          this._resetBufferLine(j, respectProtect);
+        }
+        this._dirtyRowTracker.markDirty(0);
+        break;
+      case 2:
+        j = this._bufferService.rows;
+        this._dirtyRowTracker.markDirty(j - 1);
+        while (j--) {
+          this._resetBufferLine(j, respectProtect);
+        }
+        this._dirtyRowTracker.markDirty(0);
+        break;
+      case 3:
+        // Clear scrollback (everything not in viewport)
+        const scrollBackSize = this._activeBuffer.lines.length - this._bufferService.rows;
+        if (scrollBackSize > 0) {
+          this._activeBuffer.lines.trimStart(scrollBackSize);
+          this._activeBuffer.ybase = Math.max(this._activeBuffer.ybase - scrollBackSize, 0);
+          this._activeBuffer.ydisp = Math.max(this._activeBuffer.ydisp - scrollBackSize, 0);
+          // Force a scroll event to refresh viewport
+          this._onScroll.fire(0);
+        }
+        break;
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps K  Erase in Line (EL).
+   *     Ps = 0  -> Erase to Right (default).
+   *     Ps = 1  -> Erase to Left.
+   *     Ps = 2  -> Erase All.
+   * CSI ? Ps K
+   *   Erase in Line (DECSEL).
+   *     Ps = 0  -> Selective Erase to Right (default).
+   *     Ps = 1  -> Selective Erase to Left.
+   *     Ps = 2  -> Selective Erase All.
+   *
+   * @vt: #Y CSI EL    "Erase In Line"  "CSI Ps K"  "Erase various parts of the active row."
+   * Supported param values:
+   *
+   * | Ps | Effect                                                   |
+   * | -- | -------------------------------------------------------- |
+   * | 0  | Erase from the cursor through the end of the row.        |
+   * | 1  | Erase from the beginning of the line through the cursor. |
+   * | 2  | Erase complete line.                                     |
+   *
+   * @vt: #Y CSI DECSEL   "Selective Erase In Line"  "CSI ? Ps K"  "Same as EL with respecting protecting flag."
+   */
+  public eraseInLine(params: IParams, respectProtect: boolean = false): boolean {
+    this._restrictCursor(this._bufferService.cols);
+    switch (params.params[0]) {
+      case 0:
+        this._eraseInBufferLine(this._activeBuffer.y, this._activeBuffer.x, this._bufferService.cols, this._activeBuffer.x === 0, respectProtect);
+        break;
+      case 1:
+        this._eraseInBufferLine(this._activeBuffer.y, 0, this._activeBuffer.x + 1, false, respectProtect);
+        break;
+      case 2:
+        this._eraseInBufferLine(this._activeBuffer.y, 0, this._bufferService.cols, true, respectProtect);
+        break;
+    }
+    this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    return true;
+  }
+
+  /**
+   * CSI Ps L
+   * Insert Ps Line(s) (default = 1) (IL).
+   *
+   * @vt: #Y CSI IL  "Insert Line"   "CSI Ps L"  "Insert `Ps` blank lines at active row (default=1)."
+   * For every inserted line at the scroll top one line at the scroll bottom gets removed.
+   * The cursor is set to the first column.
+   * IL has no effect if the cursor is outside the scroll margins.
+   */
+  public insertLines(params: IParams): boolean {
+    this._restrictCursor();
+    let param = params.params[0] || 1;
+
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+
+    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;
+
+    const scrollBottomRowsOffset = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;
+    const scrollBottomAbsolute = this._bufferService.rows - 1 + this._activeBuffer.ybase - scrollBottomRowsOffset + 1;
+    while (param--) {
+      // test: echo -e '\e[44m\e[1L\e[0m'
+      // blankLine(true) - xterm/linux behavior
+      this._activeBuffer.lines.splice(scrollBottomAbsolute - 1, 1);
+      this._activeBuffer.lines.splice(row, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+    }
+
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);
+    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?
+    return true;
+  }
+
+  /**
+   * CSI Ps M
+   * Delete Ps Line(s) (default = 1) (DL).
+   *
+   * @vt: #Y CSI DL  "Delete Line"   "CSI Ps M"  "Delete `Ps` lines at active row (default=1)."
+   * For every deleted line at the scroll top one blank line at the scroll bottom gets appended.
+   * The cursor is set to the first column.
+   * DL has no effect if the cursor is outside the scroll margins.
+   */
+  public deleteLines(params: IParams): boolean {
+    this._restrictCursor();
+    let param = params.params[0] || 1;
+
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+
+    const row: number = this._activeBuffer.ybase + this._activeBuffer.y;
+
+    let j: number;
+    j = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom;
+    j = this._bufferService.rows - 1 + this._activeBuffer.ybase - j;
+    while (param--) {
+      // test: echo -e '\e[44m\e[1M\e[0m'
+      // blankLine(true) - xterm/linux behavior
+      this._activeBuffer.lines.splice(row, 1);
+      this._activeBuffer.lines.splice(j, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+    }
+
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom);
+    this._activeBuffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?
+    return true;
+  }
+
+  /**
+   * CSI Ps @
+   * Insert Ps (Blank) Character(s) (default = 1) (ICH).
+   *
+   * @vt: #Y CSI ICH  "Insert Characters"   "CSI Ps @"  "Insert `Ps` (blank) characters (default = 1)."
+   * The ICH sequence inserts `Ps` blank characters. The cursor remains at the beginning of the
+   * blank characters. Text between the cursor and right margin moves to the right. Characters moved
+   * past the right margin are lost.
+   *
+   *
+   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)
+   */
+  public insertChars(params: IParams): boolean {
+    this._restrictCursor();
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
+    if (line) {
+      line.insertCells(
+        this._activeBuffer.x,
+        params.params[0] || 1,
+        this._activeBuffer.getNullCell(this._eraseAttrData()),
+        this._eraseAttrData()
+      );
+      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps P
+   * Delete Ps Character(s) (default = 1) (DCH).
+   *
+   * @vt: #Y CSI DCH   "Delete Character"  "CSI Ps P"  "Delete `Ps` characters (default=1)."
+   * As characters are deleted, the remaining characters between the cursor and right margin move to
+   * the left. Character attributes move with the characters. The terminal adds blank characters at
+   * the right margin.
+   *
+   *
+   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)
+   */
+  public deleteChars(params: IParams): boolean {
+    this._restrictCursor();
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
+    if (line) {
+      line.deleteCells(
+        this._activeBuffer.x,
+        params.params[0] || 1,
+        this._activeBuffer.getNullCell(this._eraseAttrData()),
+        this._eraseAttrData()
+      );
+      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).
+   *
+   * @vt: #Y CSI SU  "Scroll Up"   "CSI Ps S"  "Scroll `Ps` lines up (default=1)."
+   *
+   *
+   * FIXME: scrolled out lines at top = 1 should add to scrollback (xterm)
+   */
+  public scrollUp(params: IParams): boolean {
+    let param = params.params[0] || 1;
+
+    while (param--) {
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 1);
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).
+   *
+   * @vt: #Y CSI SD  "Scroll Down"   "CSI Ps T"  "Scroll `Ps` lines down (default=1)."
+   */
+  public scrollDown(params: IParams): boolean {
+    let param = params.params[0] || 1;
+
+    while (param--) {
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollBottom, 1);
+      this._activeBuffer.lines.splice(this._activeBuffer.ybase + this._activeBuffer.scrollTop, 0, this._activeBuffer.getBlankLine(DEFAULT_ATTR_DATA));
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps SP @  Scroll left Ps columns (default = 1) (SL) ECMA-48
+   *
+   * Notation: (Pn)
+   * Representation: CSI Pn 02/00 04/00
+   * Parameter default value: Pn = 1
+   * SL causes the data in the presentation component to be moved by n character positions
+   * if the line orientation is horizontal, or by n line positions if the line orientation
+   * is vertical, such that the data appear to move to the left; where n equals the value of Pn.
+   * The active presentation position is not affected by this control function.
+   *
+   * Supported:
+   *   - always left shift (no line orientation setting respected)
+   *
+   * @vt: #Y CSI SL  "Scroll Left" "CSI Ps SP @" "Scroll viewport `Ps` times to the left."
+   * SL moves the content of all lines within the scroll margins `Ps` times to the left.
+   * SL has no effect outside of the scroll margins.
+   */
+  public scrollLeft(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.deleteCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps SP A  Scroll right Ps columns (default = 1) (SR) ECMA-48
+   *
+   * Notation: (Pn)
+   * Representation: CSI Pn 02/00 04/01
+   * Parameter default value: Pn = 1
+   * SR causes the data in the presentation component to be moved by n character positions
+   * if the line orientation is horizontal, or by n line positions if the line orientation
+   * is vertical, such that the data appear to move to the right; where n equals the value of Pn.
+   * The active presentation position is not affected by this control function.
+   *
+   * Supported:
+   *   - always right shift (no line orientation setting respected)
+   *
+   * @vt: #Y CSI SR  "Scroll Right"  "CSI Ps SP A"   "Scroll viewport `Ps` times to the right."
+   * SL moves the content of all lines within the scroll margins `Ps` times to the right.
+   * Content at the right margin is lost.
+   * SL has no effect outside of the scroll margins.
+   */
+  public scrollRight(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.insertCells(0, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Pm ' }
+   * Insert Ps Column(s) (default = 1) (DECIC), VT420 and up.
+   *
+   * @vt: #Y CSI DECIC "Insert Columns"  "CSI Ps ' }"  "Insert `Ps` columns at cursor position."
+   * DECIC inserts `Ps` times blank columns at the cursor position for all lines with the scroll
+   * margins, moving content to the right. Content at the right margin is lost. DECIC has no effect
+   * outside the scrolling margins.
+   */
+  public insertColumns(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.insertCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Pm ' ~
+   * Delete Ps Column(s) (default = 1) (DECDC), VT420 and up.
+   *
+   * @vt: #Y CSI DECDC "Delete Columns"  "CSI Ps ' ~"  "Delete `Ps` columns at cursor position."
+   * DECDC deletes `Ps` times columns at the cursor position for all lines with the scroll margins,
+   * moving content to the left. Blank columns are added at the right margin.
+   * DECDC has no effect outside the scrolling margins.
+   */
+  public deleteColumns(params: IParams): boolean {
+    if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) {
+      return true;
+    }
+    const param = params.params[0] || 1;
+    for (let y = this._activeBuffer.scrollTop; y <= this._activeBuffer.scrollBottom; ++y) {
+      const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
+      line.deleteCells(this._activeBuffer.x, param, this._activeBuffer.getNullCell(this._eraseAttrData()), this._eraseAttrData());
+      line.isWrapped = false;
+    }
+    this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    return true;
+  }
+
+  /**
+   * CSI Ps X
+   * Erase Ps Character(s) (default = 1) (ECH).
+   *
+   * @vt: #Y CSI ECH   "Erase Character"   "CSI Ps X"  "Erase `Ps` characters from current cursor position to the right (default=1)."
+   * ED erases `Ps` characters from current cursor position to the right.
+   * ED works inside or outside the scrolling margins.
+   */
+  public eraseChars(params: IParams): boolean {
+    this._restrictCursor();
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
+    if (line) {
+      line.replaceCells(
+        this._activeBuffer.x,
+        this._activeBuffer.x + (params.params[0] || 1),
+        this._activeBuffer.getNullCell(this._eraseAttrData()),
+        this._eraseAttrData()
+      );
+      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).
+   * From ECMA 48 (@see http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf)
+   *    Notation: (Pn)
+   *    Representation: CSI Pn 06/02
+   *    Parameter default value: Pn = 1
+   *    REP is used to indicate that the preceding character in the data stream,
+   *    if it is a graphic character (represented by one or more bit combinations) including SPACE,
+   *    is to be repeated n times, where n equals the value of Pn.
+   *    If the character preceding REP is a control function or part of a control function,
+   *    the effect of REP is not defined by this Standard.
+   *
+   * Since we propagate the terminal as xterm-256color we have to follow xterm's behavior:
+   *    - fullwidth + surrogate chars are ignored
+   *    - for combining chars only the base char gets repeated
+   *    - text attrs are applied normally
+   *    - wrap around is respected
+   *    - any valid sequence resets the carried forward char
+   *
+   * Note: To get reset on a valid sequence working correctly without much runtime penalty, the
+   * preceding codepoint is stored on the parser in `this.print` and reset during `parser.parse`.
+   *
+   * @vt: #Y CSI REP   "Repeat Preceding Character"    "CSI Ps b"  "Repeat preceding character `Ps` times (default=1)."
+   * REP repeats the previous character `Ps` times advancing the cursor, also wrapping if DECAWM is
+   * set. REP has no effect if the sequence does not follow a printable ASCII character
+   * (NOOP for any other sequence in between or NON ASCII characters).
+   */
+  public repeatPrecedingCharacter(params: IParams): boolean {
+    if (!this._parser.precedingCodepoint) {
+      return true;
+    }
+    // call print to insert the chars and handle correct wrapping
+    const length = params.params[0] || 1;
+    const data = new Uint32Array(length);
+    for (let i = 0; i < length; ++i) {
+      data[i] = this._parser.precedingCodepoint;
+    }
+    this.print(data, 0, data.length);
+    return true;
+  }
+
+  /**
+   * CSI Ps c  Send Device Attributes (Primary DA).
+   *     Ps = 0  or omitted -> request attributes from terminal.  The
+   *     response depends on the decTerminalID resource setting.
+   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')
+   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')
+   *     -> CSI ? 6 c  (``VT102'')
+   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')
+   *   The VT100-style response parameters do not mean anything by
+   *   themselves.  VT220 parameters do, telling the host what fea-
+   *   tures the terminal supports:
+   *     Ps = 1  -> 132-columns.
+   *     Ps = 2  -> Printer.
+   *     Ps = 6  -> Selective erase.
+   *     Ps = 8  -> User-defined keys.
+   *     Ps = 9  -> National replacement character sets.
+   *     Ps = 1 5  -> Technical characters.
+   *     Ps = 2 2  -> ANSI color, e.g., VT525.
+   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).
+   *
+   * @vt: #Y CSI DA1   "Primary Device Attributes"     "CSI c"  "Send primary device attributes."
+   *
+   *
+   * TODO: fix and cleanup response
+   */
+  public sendDeviceAttributesPrimary(params: IParams): boolean {
+    if (params.params[0] > 0) {
+      return true;
+    }
+    if (this._is('xterm') || this._is('rxvt-unicode') || this._is('screen')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[?1;2c');
+    } else if (this._is('linux')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[?6c');
+    }
+    return true;
+  }
+
+  /**
+   * CSI > Ps c
+   *   Send Device Attributes (Secondary DA).
+   *     Ps = 0  or omitted -> request the terminal's identification
+   *     code.  The response depends on the decTerminalID resource set-
+   *     ting.  It should apply only to VT220 and up, but xterm extends
+   *     this to VT100.
+   *     -> CSI  > Pp ; Pv ; Pc c
+   *   where Pp denotes the terminal type
+   *     Pp = 0  -> ``VT100''.
+   *     Pp = 1  -> ``VT220''.
+   *   and Pv is the firmware version (for xterm, this was originally
+   *   the XFree86 patch number, starting with 95).  In a DEC termi-
+   *   nal, Pc indicates the ROM cartridge registration number and is
+   *   always zero.
+   * More information:
+   *   xterm/charproc.c - line 2012, for more information.
+   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
+   *
+   * @vt: #Y CSI DA2   "Secondary Device Attributes"   "CSI > c" "Send primary device attributes."
+   *
+   *
+   * TODO: fix and cleanup response
+   */
+  public sendDeviceAttributesSecondary(params: IParams): boolean {
+    if (params.params[0] > 0) {
+      return true;
+    }
+    // xterm and urxvt
+    // seem to spit this
+    // out around ~370 times (?).
+    if (this._is('xterm')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[>0;276;0c');
+    } else if (this._is('rxvt-unicode')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[>85;95;0c');
+    } else if (this._is('linux')) {
+      // not supported by linux console.
+      // linux console echoes parameters.
+      this._coreService.triggerDataEvent(params.params[0] + 'c');
+    } else if (this._is('screen')) {
+      this._coreService.triggerDataEvent(C0.ESC + '[>83;40003;0c');
+    }
+    return true;
+  }
+
+  /**
+   * Evaluate if the current terminal is the given argument.
+   * @param term The terminal name to evaluate
+   */
+  private _is(term: string): boolean {
+    return (this._optionsService.rawOptions.termName + '').indexOf(term) === 0;
+  }
+
+  /**
+   * CSI Pm h  Set Mode (SM).
+   *     Ps = 2  -> Keyboard Action Mode (AM).
+   *     Ps = 4  -> Insert Mode (IRM).
+   *     Ps = 1 2  -> Send/receive (SRM).
+   *     Ps = 2 0  -> Automatic Newline (LNM).
+   *
+   * @vt: #P[Only IRM is supported.]    CSI SM    "Set Mode"  "CSI Pm h"  "Set various terminal modes."
+   * Supported param values by SM:
+   *
+   * | Param | Action                                 | Support |
+   * | ----- | -------------------------------------- | ------- |
+   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |
+   * | 4     | Insert Mode (IRM).                     | #Y      |
+   * | 12    | Send/receive (SRM). Always off.        | #N      |
+   * | 20    | Automatic Newline (LNM).               | #Y      |
+   */
+  public setMode(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 4:
+          this._coreService.modes.insertMode = true;
+          break;
+        case 20:
+          this._optionsService.options.convertEol = true;
+          break;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI ? Pm h
+   *   DEC Private Mode Set (DECSET).
+   *     Ps = 1  -> Application Cursor Keys (DECCKM).
+   *     Ps = 2  -> Designate USASCII for character sets G0-G3
+   *     (DECANM), and set VT100 mode.
+   *     Ps = 3  -> 132 Column Mode (DECCOLM).
+   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).
+   *     Ps = 5  -> Reverse Video (DECSCNM).
+   *     Ps = 6  -> Origin Mode (DECOM).
+   *     Ps = 7  -> Wraparound Mode (DECAWM).
+   *     Ps = 8  -> Auto-repeat Keys (DECARM).
+   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-
+   *     tion Mouse Tracking.
+   *     Ps = 1 0  -> Show toolbar (rxvt).
+   *     Ps = 1 2  -> Start Blinking Cursor (att610).
+   *     Ps = 1 8  -> Print form feed (DECPFF).
+   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).
+   *     Ps = 2 5  -> Show Cursor (DECTCEM).
+   *     Ps = 3 0  -> Show scrollbar (rxvt).
+   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).
+   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).
+   *     Ps = 4 0  -> Allow 80 -> 132 Mode.
+   *     Ps = 4 1  -> more(1) fix (see curses resource).
+   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-
+   *     RCM).
+   *     Ps = 4 4  -> Turn On Margin Bell.
+   *     Ps = 4 5  -> Reverse-wraparound Mode.
+   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a
+   *     compile-time option.
+   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-
+   *     abled by the titeInhibit resource).
+   *     Ps = 6 6  -> Application keypad (DECNKM).
+   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).
+   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and
+   *     release.  See the section Mouse Tracking.
+   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.
+   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.
+   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.
+   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.
+   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.
+   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).
+   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).
+   *     Ps = 1 0 3 4  -> Interpret "meta" key, sets eighth bit.
+   *     (enables the eightBitInput resource).
+   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-
+   *     Lock keys.  (This enables the numLock resource).
+   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This
+   *     enables the metaSendsEscape resource).
+   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete
+   *     key.
+   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This
+   *     enables the altSendsEscape resource).
+   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.
+   *     (This enables the keepSelection resource).
+   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables
+   *     the selectToClipboard resource).
+   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when
+   *     Control-G is received.  (This enables the bellIsUrgent
+   *     resource).
+   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G
+   *     is received.  (enables the popOnBell resource).
+   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be
+   *     disabled by the titeInhibit resource).
+   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-
+   *     abled by the titeInhibit resource).
+   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate
+   *     Screen Buffer, clearing it first.  (This may be disabled by
+   *     the titeInhibit resource).  This combines the effects of the 1
+   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based
+   *     applications rather than the 4 7  mode.
+   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.
+   *     Ps = 1 0 5 1  -> Set Sun function-key mode.
+   *     Ps = 1 0 5 2  -> Set HP function-key mode.
+   *     Ps = 1 0 5 3  -> Set SCO function-key mode.
+   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).
+   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.
+   *     Ps = 2 0 0 4  -> Set bracketed paste mode.
+   * Modes:
+   *   http: *vt100.net/docs/vt220-rm/chapter4.html
+   *
+   * @vt: #P[See below for supported modes.]    CSI DECSET  "DEC Private Set Mode" "CSI ? Pm h"  "Set various terminal attributes."
+   * Supported param values by DECSET:
+   *
+   * | param | Action                                                  | Support |
+   * | ----- | ------------------------------------------------------- | --------|
+   * | 1     | Application Cursor Keys (DECCKM).                       | #Y      |
+   * | 2     | Designate US-ASCII for character sets G0-G3 (DECANM).   | #Y      |
+   * | 3     | 132 Column Mode (DECCOLM).                              | #Y      |
+   * | 6     | Origin Mode (DECOM).                                    | #Y      |
+   * | 7     | Auto-wrap Mode (DECAWM).                                | #Y      |
+   * | 8     | Auto-repeat Keys (DECARM). Always on.                   | #N      |
+   * | 9     | X10 xterm mouse protocol.                               | #Y      |
+   * | 12    | Start Blinking Cursor.                                  | #Y      |
+   * | 25    | Show Cursor (DECTCEM).                                  | #Y      |
+   * | 45    | Reverse wrap-around.                                    | #Y      |
+   * | 47    | Use Alternate Screen Buffer.                            | #Y      |
+   * | 66    | Application keypad (DECNKM).                            | #Y      |
+   * | 1000  | X11 xterm mouse protocol.                               | #Y      |
+   * | 1002  | Use Cell Motion Mouse Tracking.                         | #Y      |
+   * | 1003  | Use All Motion Mouse Tracking.                          | #Y      |
+   * | 1004  | Send FocusIn/FocusOut events                            | #Y      |
+   * | 1005  | Enable UTF-8 Mouse Mode.                                | #N      |
+   * | 1006  | Enable SGR Mouse Mode.                                  | #Y      |
+   * | 1015  | Enable urxvt Mouse Mode.                                | #N      |
+   * | 1016  | Enable SGR-Pixels Mouse Mode.                           | #Y      |
+   * | 1047  | Use Alternate Screen Buffer.                            | #Y      |
+   * | 1048  | Save cursor as in DECSC.                                | #Y      |
+   * | 1049  | Save cursor and switch to alternate buffer clearing it. | #P[Does not clear the alternate buffer.] |
+   * | 2004  | Set bracketed paste mode.                               | #Y      |
+   *
+   *
+   * FIXME: implement DECSCNM, 1049 should clear altbuffer
+   */
+  public setModePrivate(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 1:
+          this._coreService.decPrivateModes.applicationCursorKeys = true;
+          break;
+        case 2:
+          this._charsetService.setgCharset(0, DEFAULT_CHARSET);
+          this._charsetService.setgCharset(1, DEFAULT_CHARSET);
+          this._charsetService.setgCharset(2, DEFAULT_CHARSET);
+          this._charsetService.setgCharset(3, DEFAULT_CHARSET);
+          // set VT100 mode here
+          break;
+        case 3:
+          /**
+           * DECCOLM - 132 column mode.
+           * This is only active if 'SetWinLines' (24) is enabled
+           * through `options.windowsOptions`.
+           */
+          if (this._optionsService.rawOptions.windowOptions.setWinLines) {
+            this._bufferService.resize(132, this._bufferService.rows);
+            this._onRequestReset.fire();
+          }
+          break;
+        case 6:
+          this._coreService.decPrivateModes.origin = true;
+          this._setCursor(0, 0);
+          break;
+        case 7:
+          this._coreService.decPrivateModes.wraparound = true;
+          break;
+        case 12:
+          this._optionsService.options.cursorBlink = true;
+          break;
+        case 45:
+          this._coreService.decPrivateModes.reverseWraparound = true;
+          break;
+        case 66:
+          this._logService.debug('Serial port requested application keypad.');
+          this._coreService.decPrivateModes.applicationKeypad = true;
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 9: // X10 Mouse
+          // no release, no motion, no wheel, no modifiers.
+          this._coreMouseService.activeProtocol = 'X10';
+          break;
+        case 1000: // vt200 mouse
+          // no motion.
+          this._coreMouseService.activeProtocol = 'VT200';
+          break;
+        case 1002: // button event mouse
+          this._coreMouseService.activeProtocol = 'DRAG';
+          break;
+        case 1003: // any event mouse
+          // any event - sends motion events,
+          // even if there is no button held down.
+          this._coreMouseService.activeProtocol = 'ANY';
+          break;
+        case 1004: // send focusin/focusout events
+          // focusin: ^[[I
+          // focusout: ^[[O
+          this._coreService.decPrivateModes.sendFocus = true;
+          this._onRequestSendFocus.fire();
+          break;
+        case 1005: // utf8 ext mode mouse - removed in #2507
+          this._logService.debug('DECSET 1005 not supported (see #2507)');
+          break;
+        case 1006: // sgr ext mode mouse
+          this._coreMouseService.activeEncoding = 'SGR';
+          break;
+        case 1015: // urxvt ext mode mouse - removed in #2507
+          this._logService.debug('DECSET 1015 not supported (see #2507)');
+          break;
+        case 1016: // sgr pixels mode mouse
+          this._coreMouseService.activeEncoding = 'SGR_PIXELS';
+          break;
+        case 25: // show cursor
+          this._coreService.isCursorHidden = false;
+          break;
+        case 1048: // alt screen cursor
+          this.saveCursor();
+          break;
+        case 1049: // alt screen buffer cursor
+          this.saveCursor();
+        // FALL-THROUGH
+        case 47: // alt screen buffer
+        case 1047: // alt screen buffer
+          this._bufferService.buffers.activateAltBuffer(this._eraseAttrData());
+          this._coreService.isCursorInitialized = true;
+          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)
+          this._coreService.decPrivateModes.bracketedPasteMode = true;
+          break;
+      }
+    }
+    return true;
+  }
+
+
+  /**
+   * CSI Pm l  Reset Mode (RM).
+   *     Ps = 2  -> Keyboard Action Mode (AM).
+   *     Ps = 4  -> Replace Mode (IRM).
+   *     Ps = 1 2  -> Send/receive (SRM).
+   *     Ps = 2 0  -> Normal Linefeed (LNM).
+   *
+   * @vt: #P[Only IRM is supported.]    CSI RM    "Reset Mode"  "CSI Pm l"  "Set various terminal attributes."
+   * Supported param values by RM:
+   *
+   * | Param | Action                                 | Support |
+   * | ----- | -------------------------------------- | ------- |
+   * | 2     | Keyboard Action Mode (KAM). Always on. | #N      |
+   * | 4     | Replace Mode (IRM). (default)          | #Y      |
+   * | 12    | Send/receive (SRM). Always off.        | #N      |
+   * | 20    | Normal Linefeed (LNM).                 | #Y      |
+   *
+   *
+   * FIXME: why is LNM commented out?
+   */
+  public resetMode(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 4:
+          this._coreService.modes.insertMode = false;
+          break;
+        case 20:
+          this._optionsService.options.convertEol = false;
+          break;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI ? Pm l
+   *   DEC Private Mode Reset (DECRST).
+   *     Ps = 1  -> Normal Cursor Keys (DECCKM).
+   *     Ps = 2  -> Designate VT52 mode (DECANM).
+   *     Ps = 3  -> 80 Column Mode (DECCOLM).
+   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).
+   *     Ps = 5  -> Normal Video (DECSCNM).
+   *     Ps = 6  -> Normal Cursor Mode (DECOM).
+   *     Ps = 7  -> No Wraparound Mode (DECAWM).
+   *     Ps = 8  -> No Auto-repeat Keys (DECARM).
+   *     Ps = 9  -> Don't send Mouse X & Y on button press.
+   *     Ps = 1 0  -> Hide toolbar (rxvt).
+   *     Ps = 1 2  -> Stop Blinking Cursor (att610).
+   *     Ps = 1 8  -> Don't print form feed (DECPFF).
+   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).
+   *     Ps = 2 5  -> Hide Cursor (DECTCEM).
+   *     Ps = 3 0  -> Don't show scrollbar (rxvt).
+   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).
+   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.
+   *     Ps = 4 1  -> No more(1) fix (see curses resource).
+   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-
+   *     NRCM).
+   *     Ps = 4 4  -> Turn Off Margin Bell.
+   *     Ps = 4 5  -> No Reverse-wraparound Mode.
+   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a
+   *     compile-time option).
+   *     Ps = 4 7  -> Use Normal Screen Buffer.
+   *     Ps = 6 6  -> Numeric keypad (DECNKM).
+   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).
+   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and
+   *     release.  See the section Mouse Tracking.
+   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.
+   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.
+   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.
+   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.
+   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.
+   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output
+   *     (rxvt).
+   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).
+   *     Ps = 1 0 3 4  -> Don't interpret "meta" key.  (This disables
+   *     the eightBitInput resource).
+   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-
+   *     Lock keys.  (This disables the numLock resource).
+   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.
+   *     (This disables the metaSendsEscape resource).
+   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad
+   *     Delete key.
+   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.
+   *     (This disables the altSendsEscape resource).
+   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.
+   *     (This disables the keepSelection resource).
+   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables
+   *     the selectToClipboard resource).
+   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when
+   *     Control-G is received.  (This disables the bellIsUrgent
+   *     resource).
+   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-
+   *     G is received.  (This disables the popOnBell resource).
+   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen
+   *     first if in the Alternate Screen.  (This may be disabled by
+   *     the titeInhibit resource).
+   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be
+   *     disabled by the titeInhibit resource).
+   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor
+   *     as in DECRC.  (This may be disabled by the titeInhibit
+   *     resource).  This combines the effects of the 1 0 4 7  and 1 0
+   *     4 8  modes.  Use this with terminfo-based applications rather
+   *     than the 4 7  mode.
+   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.
+   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.
+   *     Ps = 1 0 5 2  -> Reset HP function-key mode.
+   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.
+   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).
+   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.
+   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.
+   *
+   * @vt: #P[See below for supported modes.]    CSI DECRST  "DEC Private Reset Mode" "CSI ? Pm l"  "Reset various terminal attributes."
+   * Supported param values by DECRST:
+   *
+   * | param | Action                                                  | Support |
+   * | ----- | ------------------------------------------------------- | ------- |
+   * | 1     | Normal Cursor Keys (DECCKM).                            | #Y      |
+   * | 2     | Designate VT52 mode (DECANM).                           | #N      |
+   * | 3     | 80 Column Mode (DECCOLM).                               | #B[Switches to old column width instead of 80.] |
+   * | 6     | Normal Cursor Mode (DECOM).                             | #Y      |
+   * | 7     | No Wraparound Mode (DECAWM).                            | #Y      |
+   * | 8     | No Auto-repeat Keys (DECARM).                           | #N      |
+   * | 9     | Don't send Mouse X & Y on button press.                 | #Y      |
+   * | 12    | Stop Blinking Cursor.                                   | #Y      |
+   * | 25    | Hide Cursor (DECTCEM).                                  | #Y      |
+   * | 45    | No reverse wrap-around.                                 | #Y      |
+   * | 47    | Use Normal Screen Buffer.                               | #Y      |
+   * | 66    | Numeric keypad (DECNKM).                                | #Y      |
+   * | 1000  | Don't send Mouse reports.                               | #Y      |
+   * | 1002  | Don't use Cell Motion Mouse Tracking.                   | #Y      |
+   * | 1003  | Don't use All Motion Mouse Tracking.                    | #Y      |
+   * | 1004  | Don't send FocusIn/FocusOut events.                     | #Y      |
+   * | 1005  | Disable UTF-8 Mouse Mode.                               | #N      |
+   * | 1006  | Disable SGR Mouse Mode.                                 | #Y      |
+   * | 1015  | Disable urxvt Mouse Mode.                               | #N      |
+   * | 1016  | Disable SGR-Pixels Mouse Mode.                          | #Y      |
+   * | 1047  | Use Normal Screen Buffer (clearing screen if in alt).   | #Y      |
+   * | 1048  | Restore cursor as in DECRC.                             | #Y      |
+   * | 1049  | Use Normal Screen Buffer and restore cursor.            | #Y      |
+   * | 2004  | Reset bracketed paste mode.                             | #Y      |
+   *
+   *
+   * FIXME: DECCOLM is currently broken (already fixed in window options PR)
+   */
+  public resetModePrivate(params: IParams): boolean {
+    for (let i = 0; i < params.length; i++) {
+      switch (params.params[i]) {
+        case 1:
+          this._coreService.decPrivateModes.applicationCursorKeys = false;
+          break;
+        case 3:
+          /**
+           * DECCOLM - 80 column mode.
+           * This is only active if 'SetWinLines' (24) is enabled
+           * through `options.windowsOptions`.
+           */
+          if (this._optionsService.rawOptions.windowOptions.setWinLines) {
+            this._bufferService.resize(80, this._bufferService.rows);
+            this._onRequestReset.fire();
+          }
+          break;
+        case 6:
+          this._coreService.decPrivateModes.origin = false;
+          this._setCursor(0, 0);
+          break;
+        case 7:
+          this._coreService.decPrivateModes.wraparound = false;
+          break;
+        case 12:
+          this._optionsService.options.cursorBlink = false;
+          break;
+        case 45:
+          this._coreService.decPrivateModes.reverseWraparound = false;
+          break;
+        case 66:
+          this._logService.debug('Switching back to normal keypad.');
+          this._coreService.decPrivateModes.applicationKeypad = false;
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 9: // X10 Mouse
+        case 1000: // vt200 mouse
+        case 1002: // button event mouse
+        case 1003: // any event mouse
+          this._coreMouseService.activeProtocol = 'NONE';
+          break;
+        case 1004: // send focusin/focusout events
+          this._coreService.decPrivateModes.sendFocus = false;
+          break;
+        case 1005: // utf8 ext mode mouse - removed in #2507
+          this._logService.debug('DECRST 1005 not supported (see #2507)');
+          break;
+        case 1006: // sgr ext mode mouse
+          this._coreMouseService.activeEncoding = 'DEFAULT';
+          break;
+        case 1015: // urxvt ext mode mouse - removed in #2507
+          this._logService.debug('DECRST 1015 not supported (see #2507)');
+          break;
+        case 1016: // sgr pixels mode mouse
+          this._coreMouseService.activeEncoding = 'DEFAULT';
+          break;
+        case 25: // hide cursor
+          this._coreService.isCursorHidden = true;
+          break;
+        case 1048: // alt screen cursor
+          this.restoreCursor();
+          break;
+        case 1049: // alt screen buffer cursor
+        // FALL-THROUGH
+        case 47: // normal screen buffer
+        case 1047: // normal screen buffer - clearing it first
+          // Ensure the selection manager has the correct buffer
+          this._bufferService.buffers.activateNormalBuffer();
+          if (params.params[i] === 1049) {
+            this.restoreCursor();
+          }
+          this._coreService.isCursorInitialized = true;
+          this._onRequestRefreshRows.fire(0, this._bufferService.rows - 1);
+          this._onRequestSyncScrollBar.fire();
+          break;
+        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)
+          this._coreService.decPrivateModes.bracketedPasteMode = false;
+          break;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps $ p Request ANSI Mode (DECRQM).
+   *
+   * Reports CSI Ps; Pm $ y (DECRPM), where Ps is the mode number as in SM/RM,
+   * and Pm is the mode value:
+   *    0 - not recognized
+   *    1 - set
+   *    2 - reset
+   *    3 - permanently set
+   *    4 - permanently reset
+   *
+   * @vt: #Y  CSI   DECRQM  "Request Mode"  "CSI Ps $p"  "Request mode state."
+   * Returns a report as `CSI Ps; Pm $ y` (DECRPM), where `Ps` is the mode number as in SM/RM
+   * or DECSET/DECRST, and `Pm` is the mode value:
+   * - 0: not recognized
+   * - 1: set
+   * - 2: reset
+   * - 3: permanently set
+   * - 4: permanently reset
+   *
+   * For modes not understood xterm.js always returns `notRecognized`. In general this means,
+   * that a certain operation mode is not implemented and cannot be used.
+   *
+   * Modes changing the active terminal buffer (47, 1047, 1049) are not subqueried
+   * and only report, whether the alternate buffer is set.
+   *
+   * Mouse encodings and mouse protocols are handled mutual exclusive,
+   * thus only one of each of those can be set at a given time.
+   *
+   * There is a chance, that some mode reports are not fully in line with xterm.js' behavior,
+   * e.g. if the default implementation already exposes a certain behavior. If you find
+   * discrepancies in the mode reports, please file a bug.
+   */
+  public requestMode(params: IParams, ansi: boolean): boolean {
+    // return value as in DECRPM
+    const enum V {
+      NOT_RECOGNIZED = 0,
+      SET = 1,
+      RESET = 2,
+      PERMANENTLY_SET = 3,
+      PERMANENTLY_RESET = 4
+    }
+
+    // access helpers
+    const dm = this._coreService.decPrivateModes;
+    const { activeProtocol: mouseProtocol, activeEncoding: mouseEncoding } = this._coreMouseService;
+    const cs = this._coreService;
+    const { buffers, cols } = this._bufferService;
+    const { active, alt } = buffers;
+    const opts = this._optionsService.rawOptions;
+
+    const f = (m: number, v: V): boolean => {
+      cs.triggerDataEvent(`${C0.ESC}[${ansi ? '' : '?'}${m};${v}$y`);
+      return true;
+    };
+    const b2v = (value: boolean): V => value ? V.SET : V.RESET;
+
+    const p = params.params[0];
+
+    if (ansi) {
+      if (p === 2) return f(p, V.PERMANENTLY_RESET);
+      if (p === 4) return f(p, b2v(cs.modes.insertMode));
+      if (p === 12) return f(p, V.PERMANENTLY_SET);
+      if (p === 20) return f(p, b2v(opts.convertEol));
+      return f(p, V.NOT_RECOGNIZED);
+    }
+
+    if (p === 1) return f(p, b2v(dm.applicationCursorKeys));
+    if (p === 3) return f(p, opts.windowOptions.setWinLines ? (cols === 80 ? V.RESET : cols === 132 ? V.SET : V.NOT_RECOGNIZED) : V.NOT_RECOGNIZED);
+    if (p === 6) return f(p, b2v(dm.origin));
+    if (p === 7) return f(p, b2v(dm.wraparound));
+    if (p === 8) return f(p, V.PERMANENTLY_SET);
+    if (p === 9) return f(p, b2v(mouseProtocol === 'X10'));
+    if (p === 12) return f(p, b2v(opts.cursorBlink));
+    if (p === 25) return f(p, b2v(!cs.isCursorHidden));
+    if (p === 45) return f(p, b2v(dm.reverseWraparound));
+    if (p === 66) return f(p, b2v(dm.applicationKeypad));
+    if (p === 67) return f(p, V.PERMANENTLY_RESET);
+    if (p === 1000) return f(p, b2v(mouseProtocol === 'VT200'));
+    if (p === 1002) return f(p, b2v(mouseProtocol === 'DRAG'));
+    if (p === 1003) return f(p, b2v(mouseProtocol === 'ANY'));
+    if (p === 1004) return f(p, b2v(dm.sendFocus));
+    if (p === 1005) return f(p, V.PERMANENTLY_RESET);
+    if (p === 1006) return f(p, b2v(mouseEncoding === 'SGR'));
+    if (p === 1015) return f(p, V.PERMANENTLY_RESET);
+    if (p === 1016) return f(p, b2v(mouseEncoding === 'SGR_PIXELS'));
+    if (p === 1048) return f(p, V.SET); // xterm always returns SET here
+    if (p === 47 || p === 1047 || p === 1049) return f(p, b2v(active === alt));
+    if (p === 2004) return f(p, b2v(dm.bracketedPasteMode));
+    return f(p, V.NOT_RECOGNIZED);
+  }
+
+  /**
+   * Helper to write color information packed with color mode.
+   */
+  private _updateAttrColor(color: number, mode: number, c1: number, c2: number, c3: number): number {
+    if (mode === 2) {
+      color |= Attributes.CM_RGB;
+      color &= ~Attributes.RGB_MASK;
+      color |= AttributeData.fromColorRGB([c1, c2, c3]);
+    } else if (mode === 5) {
+      color &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+      color |= Attributes.CM_P256 | (c1 & 0xff);
+    }
+    return color;
+  }
+
+  /**
+   * Helper to extract and apply color params/subparams.
+   * Returns advance for params index.
+   */
+  private _extractColor(params: IParams, pos: number, attr: IAttributeData): number {
+    // normalize params
+    // meaning: [target, CM, ign, val, val, val]
+    // RGB    : [ 38/48,  2, ign,   r,   g,   b]
+    // P256   : [ 38/48,  5, ign,   v, ign, ign]
+    const accu = [0, 0, -1, 0, 0, 0];
+
+    // alignment placeholder for non color space sequences
+    let cSpace = 0;
+
+    // return advance we took in params
+    let advance = 0;
+
+    do {
+      accu[advance + cSpace] = params.params[pos + advance];
+      if (params.hasSubParams(pos + advance)) {
+        const subparams = params.getSubParams(pos + advance)!;
+        let i = 0;
+        do {
+          if (accu[1] === 5) {
+            cSpace = 1;
+          }
+          accu[advance + i + 1 + cSpace] = subparams[i];
+        } while (++i < subparams.length && i + advance + 1 + cSpace < accu.length);
+        break;
+      }
+      // exit early if can decide color mode with semicolons
+      if ((accu[1] === 5 && advance + cSpace >= 2)
+        || (accu[1] === 2 && advance + cSpace >= 5)) {
+        break;
+      }
+      // offset colorSpace slot for semicolon mode
+      if (accu[1]) {
+        cSpace = 1;
+      }
+    } while (++advance + pos < params.length && advance + cSpace < accu.length);
+
+    // set default values to 0
+    for (let i = 2; i < accu.length; ++i) {
+      if (accu[i] === -1) {
+        accu[i] = 0;
+      }
+    }
+
+    // apply colors
+    switch (accu[0]) {
+      case 38:
+        attr.fg = this._updateAttrColor(attr.fg, accu[1], accu[3], accu[4], accu[5]);
+        break;
+      case 48:
+        attr.bg = this._updateAttrColor(attr.bg, accu[1], accu[3], accu[4], accu[5]);
+        break;
+      case 58:
+        attr.extended = attr.extended.clone();
+        attr.extended.underlineColor = this._updateAttrColor(attr.extended.underlineColor, accu[1], accu[3], accu[4], accu[5]);
+    }
+
+    return advance;
+  }
+
+  /**
+   * SGR 4 subparams:
+   *    4:0   -   equal to SGR 24 (turn off all underline)
+   *    4:1   -   equal to SGR 4 (single underline)
+   *    4:2   -   equal to SGR 21 (double underline)
+   *    4:3   -   curly underline
+   *    4:4   -   dotted underline
+   *    4:5   -   dashed underline
+   */
+  private _processUnderline(style: number, attr: IAttributeData): void {
+    // treat extended attrs as immutable, thus always clone from old one
+    // this is needed since the buffer only holds references to it
+    attr.extended = attr.extended.clone();
+
+    // default to 1 == single underline
+    if (!~style || style > 5) {
+      style = 1;
+    }
+    attr.extended.underlineStyle = style;
+    attr.fg |= FgFlags.UNDERLINE;
+
+    // 0 deactivates underline
+    if (style === 0) {
+      attr.fg &= ~FgFlags.UNDERLINE;
+    }
+
+    // update HAS_EXTENDED in BG
+    attr.updateExtended();
+  }
+
+  private _processSGR0(attr: IAttributeData): void {
+    attr.fg = DEFAULT_ATTR_DATA.fg;
+    attr.bg = DEFAULT_ATTR_DATA.bg;
+    attr.extended = attr.extended.clone();
+    // Reset underline style and color. Note that we don't want to reset other
+    // fields such as the url id.
+    attr.extended.underlineStyle = UnderlineStyle.NONE;
+    attr.extended.underlineColor &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+    attr.updateExtended();
+  }
+
+  /**
+   * CSI Pm m  Character Attributes (SGR).
+   *
+   * @vt: #P[See below for supported attributes.]    CSI SGR   "Select Graphic Rendition"  "CSI Pm m"  "Set/Reset various text attributes."
+   * SGR selects one or more character attributes at the same time. Multiple params (up to 32)
+   * are applied in order from left to right. The changed attributes are applied to all new
+   * characters received. If you move characters in the viewport by scrolling or any other means,
+   * then the attributes move with the characters.
+   *
+   * Supported param values by SGR:
+   *
+   * | Param     | Meaning                                                  | Support |
+   * | --------- | -------------------------------------------------------- | ------- |
+   * | 0         | Normal (default). Resets any other preceding SGR.        | #Y      |
+   * | 1         | Bold. (also see `options.drawBoldTextInBrightColors`)    | #Y      |
+   * | 2         | Faint, decreased intensity.                              | #Y      |
+   * | 3         | Italic.                                                  | #Y      |
+   * | 4         | Underlined (see below for style support).                | #Y      |
+   * | 5         | Slowly blinking.                                         | #N      |
+   * | 6         | Rapidly blinking.                                        | #N      |
+   * | 7         | Inverse. Flips foreground and background color.          | #Y      |
+   * | 8         | Invisible (hidden).                                      | #Y      |
+   * | 9         | Crossed-out characters (strikethrough).                  | #Y      |
+   * | 21        | Doubly underlined.                                       | #Y      |
+   * | 22        | Normal (neither bold nor faint).                         | #Y      |
+   * | 23        | No italic.                                               | #Y      |
+   * | 24        | Not underlined.                                          | #Y      |
+   * | 25        | Steady (not blinking).                                   | #Y      |
+   * | 27        | Positive (not inverse).                                  | #Y      |
+   * | 28        | Visible (not hidden).                                    | #Y      |
+   * | 29        | Not Crossed-out (strikethrough).                         | #Y      |
+   * | 30        | Foreground color: Black.                                 | #Y      |
+   * | 31        | Foreground color: Red.                                   | #Y      |
+   * | 32        | Foreground color: Green.                                 | #Y      |
+   * | 33        | Foreground color: Yellow.                                | #Y      |
+   * | 34        | Foreground color: Blue.                                  | #Y      |
+   * | 35        | Foreground color: Magenta.                               | #Y      |
+   * | 36        | Foreground color: Cyan.                                  | #Y      |
+   * | 37        | Foreground color: White.                                 | #Y      |
+   * | 38        | Foreground color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |
+   * | 39        | Foreground color: Default (original).                    | #Y      |
+   * | 40        | Background color: Black.                                 | #Y      |
+   * | 41        | Background color: Red.                                   | #Y      |
+   * | 42        | Background color: Green.                                 | #Y      |
+   * | 43        | Background color: Yellow.                                | #Y      |
+   * | 44        | Background color: Blue.                                  | #Y      |
+   * | 45        | Background color: Magenta.                               | #Y      |
+   * | 46        | Background color: Cyan.                                  | #Y      |
+   * | 47        | Background color: White.                                 | #Y      |
+   * | 48        | Background color: Extended color.                        | #P[Support for RGB and indexed colors, see below.] |
+   * | 49        | Background color: Default (original).                    | #Y      |
+   * | 53        | Overlined.                                               | #Y      |
+   * | 55        | Not Overlined.                                           | #Y      |
+   * | 58        | Underline color: Extended color.                         | #P[Support for RGB and indexed colors, see below.] |
+   * | 90 - 97   | Bright foreground color (analogous to 30 - 37).          | #Y      |
+   * | 100 - 107 | Bright background color (analogous to 40 - 47).          | #Y      |
+   *
+   * Underline supports subparams to denote the style in the form `4 : x`:
+   *
+   * | x      | Meaning                                                       | Support |
+   * | ------ | ------------------------------------------------------------- | ------- |
+   * | 0      | No underline. Same as `SGR 24 m`.                             | #Y      |
+   * | 1      | Single underline. Same as `SGR 4 m`.                          | #Y      |
+   * | 2      | Double underline.                                             | #Y      |
+   * | 3      | Curly underline.                                              | #Y      |
+   * | 4      | Dotted underline.                                             | #Y      |
+   * | 5      | Dashed underline.                                             | #Y      |
+   * | other  | Single underline. Same as `SGR 4 m`.                          | #Y      |
+   *
+   * Extended colors are supported for foreground (Ps=38), background (Ps=48) and underline (Ps=58)
+   * as follows:
+   *
+   * | Ps + 1 | Meaning                                                       | Support |
+   * | ------ | ------------------------------------------------------------- | ------- |
+   * | 0      | Implementation defined.                                       | #N      |
+   * | 1      | Transparent.                                                  | #N      |
+   * | 2      | RGB color as `Ps ; 2 ; R ; G ; B` or `Ps : 2 : : R : G : B`.  | #Y      |
+   * | 3      | CMY color.                                                    | #N      |
+   * | 4      | CMYK color.                                                   | #N      |
+   * | 5      | Indexed (256 colors) as `Ps ; 5 ; INDEX` or `Ps : 5 : INDEX`. | #Y      |
+   *
+   *
+   * FIXME: blinking is implemented in attrs, but not working in renderers?
+   * FIXME: remove dead branch for p=100
+   */
+  public charAttributes(params: IParams): boolean {
+    // Optimize a single SGR0.
+    if (params.length === 1 && params.params[0] === 0) {
+      this._processSGR0(this._curAttrData);
+      return true;
+    }
+
+    const l = params.length;
+    let p;
+    const attr = this._curAttrData;
+
+    for (let i = 0; i < l; i++) {
+      p = params.params[i];
+      if (p >= 30 && p <= 37) {
+        // fg color 8
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.fg |= Attributes.CM_P16 | (p - 30);
+      } else if (p >= 40 && p <= 47) {
+        // bg color 8
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.bg |= Attributes.CM_P16 | (p - 40);
+      } else if (p >= 90 && p <= 97) {
+        // fg color 16
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.fg |= Attributes.CM_P16 | (p - 90) | 8;
+      } else if (p >= 100 && p <= 107) {
+        // bg color 16
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);
+        attr.bg |= Attributes.CM_P16 | (p - 100) | 8;
+      } else if (p === 0) {
+        // default
+        this._processSGR0(attr);
+      } else if (p === 1) {
+        // bold text
+        attr.fg |= FgFlags.BOLD;
+      } else if (p === 3) {
+        // italic text
+        attr.bg |= BgFlags.ITALIC;
+      } else if (p === 4) {
+        // underlined text
+        attr.fg |= FgFlags.UNDERLINE;
+        this._processUnderline(params.hasSubParams(i) ? params.getSubParams(i)![0] : UnderlineStyle.SINGLE, attr);
+      } else if (p === 5) {
+        // blink
+        attr.fg |= FgFlags.BLINK;
+      } else if (p === 7) {
+        // inverse and positive
+        // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
+        attr.fg |= FgFlags.INVERSE;
+      } else if (p === 8) {
+        // invisible
+        attr.fg |= FgFlags.INVISIBLE;
+      } else if (p === 9) {
+        // strikethrough
+        attr.fg |= FgFlags.STRIKETHROUGH;
+      } else if (p === 2) {
+        // dimmed text
+        attr.bg |= BgFlags.DIM;
+      } else if (p === 21) {
+        // double underline
+        this._processUnderline(UnderlineStyle.DOUBLE, attr);
+      } else if (p === 22) {
+        // not bold nor faint
+        attr.fg &= ~FgFlags.BOLD;
+        attr.bg &= ~BgFlags.DIM;
+      } else if (p === 23) {
+        // not italic
+        attr.bg &= ~BgFlags.ITALIC;
+      } else if (p === 24) {
+        // not underlined
+        attr.fg &= ~FgFlags.UNDERLINE;
+        this._processUnderline(UnderlineStyle.NONE, attr);
+      } else if (p === 25) {
+        // not blink
+        attr.fg &= ~FgFlags.BLINK;
+      } else if (p === 27) {
+        // not inverse
+        attr.fg &= ~FgFlags.INVERSE;
+      } else if (p === 28) {
+        // not invisible
+        attr.fg &= ~FgFlags.INVISIBLE;
+      } else if (p === 29) {
+        // not strikethrough
+        attr.fg &= ~FgFlags.STRIKETHROUGH;
+      } else if (p === 39) {
+        // reset fg
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+      } else if (p === 49) {
+        // reset bg
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+      } else if (p === 38 || p === 48 || p === 58) {
+        // fg color 256 and RGB
+        i += this._extractColor(params, i, attr);
+      } else if (p === 53) {
+        // overline
+        attr.bg |= BgFlags.OVERLINE;
+      } else if (p === 55) {
+        // not overline
+        attr.bg &= ~BgFlags.OVERLINE;
+      } else if (p === 59) {
+        attr.extended = attr.extended.clone();
+        attr.extended.underlineColor = -1;
+        attr.updateExtended();
+      } else if (p === 100) { // FIXME: dead branch, p=100 already handled above!
+        // reset fg/bg
+        attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+        attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+        attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);
+      } else {
+        this._logService.debug('Unknown SGR attribute: %d.', p);
+      }
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps n  Device Status Report (DSR).
+   *     Ps = 5  -> Status Report.  Result (``OK'') is
+   *   CSI 0 n
+   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].
+   *   Result is
+   *   CSI r ; c R
+   * CSI ? Ps n
+   *   Device Status Report (DSR, DEC-specific).
+   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI
+   *     ? r ; c R (assumes page is zero).
+   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).
+   *     or CSI ? 1 1  n  (not ready).
+   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)
+   *     or CSI ? 2 1  n  (locked).
+   *     Ps = 2 6  -> Report Keyboard status as
+   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).
+   *   The last two parameters apply to VT400 & up, and denote key-
+   *   board ready and LK01 respectively.
+   *     Ps = 5 3  -> Report Locator status as
+   *   CSI ? 5 3  n  Locator available, if compiled-in, or
+   *   CSI ? 5 0  n  No Locator, if not.
+   *
+   * @vt: #Y CSI DSR   "Device Status Report"  "CSI Ps n"  "Request cursor position (CPR) with `Ps` = 6."
+   */
+  public deviceStatus(params: IParams): boolean {
+    switch (params.params[0]) {
+      case 5:
+        // status report
+        this._coreService.triggerDataEvent(`${C0.ESC}[0n`);
+        break;
+      case 6:
+        // cursor position
+        const y = this._activeBuffer.y + 1;
+        const x = this._activeBuffer.x + 1;
+        this._coreService.triggerDataEvent(`${C0.ESC}[${y};${x}R`);
+        break;
+    }
+    return true;
+  }
+
+  // @vt: #P[Only CPR is supported.]  CSI DECDSR  "DEC Device Status Report"  "CSI ? Ps n"  "Only CPR is supported (same as DSR)."
+  public deviceStatusPrivate(params: IParams): boolean {
+    // modern xterm doesnt seem to
+    // respond to any of these except ?6, 6, and 5
+    switch (params.params[0]) {
+      case 6:
+        // cursor position
+        const y = this._activeBuffer.y + 1;
+        const x = this._activeBuffer.x + 1;
+        this._coreService.triggerDataEvent(`${C0.ESC}[?${y};${x}R`);
+        break;
+      case 15:
+        // no printer
+        // this.handler(C0.ESC + '[?11n');
+        break;
+      case 25:
+        // dont support user defined keys
+        // this.handler(C0.ESC + '[?21n');
+        break;
+      case 26:
+        // north american keyboard
+        // this.handler(C0.ESC + '[?27;1;0;0n');
+        break;
+      case 53:
+        // no dec locator/mouse
+        // this.handler(C0.ESC + '[?50n');
+        break;
+    }
+    return true;
+  }
+
+  /**
+   * CSI ! p   Soft terminal reset (DECSTR).
+   * http://vt100.net/docs/vt220-rm/table4-10.html
+   *
+   * @vt: #Y CSI DECSTR  "Soft Terminal Reset"   "CSI ! p"   "Reset several terminal attributes to initial state."
+   * There are two terminal reset sequences - RIS and DECSTR. While RIS performs almost a full
+   * terminal bootstrap, DECSTR only resets certain attributes. For most needs DECSTR should be
+   * sufficient.
+   *
+   * The following terminal attributes are reset to default values:
+   * - IRM is reset (dafault = false)
+   * - scroll margins are reset (default = viewport size)
+   * - erase attributes are reset to default
+   * - charsets are reset
+   * - DECSC data is reset to initial values
+   * - DECOM is reset to absolute mode
+   *
+   *
+   * FIXME: there are several more attributes missing (see VT520 manual)
+   */
+  public softReset(params: IParams): boolean {
+    this._coreService.isCursorHidden = false;
+    this._onRequestSyncScrollBar.fire();
+    this._activeBuffer.scrollTop = 0;
+    this._activeBuffer.scrollBottom = this._bufferService.rows - 1;
+    this._curAttrData = DEFAULT_ATTR_DATA.clone();
+    this._coreService.reset();
+    this._charsetService.reset();
+
+    // reset DECSC data
+    this._activeBuffer.savedX = 0;
+    this._activeBuffer.savedY = this._activeBuffer.ybase;
+    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;
+    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;
+    this._activeBuffer.savedCharset = this._charsetService.charset;
+
+    // reset DECOM
+    this._coreService.decPrivateModes.origin = false;
+    return true;
+  }
+
+  /**
+   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).
+   *   Ps = 0  -> blinking block.
+   *   Ps = 1  -> blinking block (default).
+   *   Ps = 2  -> steady block.
+   *   Ps = 3  -> blinking underline.
+   *   Ps = 4  -> steady underline.
+   *   Ps = 5  -> blinking bar (xterm).
+   *   Ps = 6  -> steady bar (xterm).
+   *
+   * @vt: #Y CSI DECSCUSR  "Set Cursor Style"  "CSI Ps SP q"   "Set cursor style."
+   * Supported cursor styles:
+   *  - empty, 0 or 1: steady block
+   *  - 2: blink block
+   *  - 3: steady underline
+   *  - 4: blink underline
+   *  - 5: steady bar
+   *  - 6: blink bar
+   */
+  public setCursorStyle(params: IParams): boolean {
+    const param = params.params[0] || 1;
+    switch (param) {
+      case 1:
+      case 2:
+        this._optionsService.options.cursorStyle = 'block';
+        break;
+      case 3:
+      case 4:
+        this._optionsService.options.cursorStyle = 'underline';
+        break;
+      case 5:
+      case 6:
+        this._optionsService.options.cursorStyle = 'bar';
+        break;
+    }
+    const isBlinking = param % 2 === 1;
+    this._optionsService.options.cursorBlink = isBlinking;
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps r
+   *   Set Scrolling Region [top;bottom] (default = full size of win-
+   *   dow) (DECSTBM).
+   *
+   * @vt: #Y CSI DECSTBM "Set Top and Bottom Margin" "CSI Ps ; Ps r" "Set top and bottom margins of the viewport [top;bottom] (default = viewport size)."
+   */
+  public setScrollRegion(params: IParams): boolean {
+    const top = params.params[0] || 1;
+    let bottom: number;
+
+    if (params.length < 2 || (bottom = params.params[1]) > this._bufferService.rows || bottom === 0) {
+      bottom = this._bufferService.rows;
+    }
+
+    if (bottom > top) {
+      this._activeBuffer.scrollTop = top - 1;
+      this._activeBuffer.scrollBottom = bottom - 1;
+      this._setCursor(0, 0);
+    }
+    return true;
+  }
+
+  /**
+   * CSI Ps ; Ps ; Ps t - Various window manipulations and reports (xterm)
+   *
+   * Note: Only those listed below are supported. All others are left to integrators and
+   * need special treatment based on the embedding environment.
+   *
+   *    Ps = 1 4                                                          supported
+   *      Report xterm text area size in pixels.
+   *      Result is CSI 4 ; height ; width t
+   *    Ps = 14 ; 2                                                       not implemented
+   *    Ps = 16                                                           supported
+   *      Report xterm character cell size in pixels.
+   *      Result is CSI 6 ; height ; width t
+   *    Ps = 18                                                           supported
+   *      Report the size of the text area in characters.
+   *      Result is CSI 8 ; height ; width t
+   *    Ps = 20                                                           supported
+   *      Report xterm window's icon label.
+   *      Result is OSC L label ST
+   *    Ps = 21                                                           supported
+   *      Report xterm window's title.
+   *      Result is OSC l label ST
+   *    Ps = 22 ; 0  -> Save xterm icon and window title on stack.        supported
+   *    Ps = 22 ; 1  -> Save xterm icon title on stack.                   supported
+   *    Ps = 22 ; 2  -> Save xterm window title on stack.                 supported
+   *    Ps = 23 ; 0  -> Restore xterm icon and window title from stack.   supported
+   *    Ps = 23 ; 1  -> Restore xterm icon title from stack.              supported
+   *    Ps = 23 ; 2  -> Restore xterm window title from stack.            supported
+   *    Ps >= 24                                                          not implemented
+   */
+  public windowOptions(params: IParams): boolean {
+    if (!paramToWindowOption(params.params[0], this._optionsService.rawOptions.windowOptions)) {
+      return true;
+    }
+    const second = (params.length > 1) ? params.params[1] : 0;
+    switch (params.params[0]) {
+      case 14:  // GetWinSizePixels, returns CSI 4 ; height ; width t
+        if (second !== 2) {
+          this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_WIN_SIZE_PIXELS);
+        }
+        break;
+      case 16:  // GetCellSizePixels, returns CSI 6 ; height ; width t
+        this._onRequestWindowsOptionsReport.fire(WindowsOptionsReportType.GET_CELL_SIZE_PIXELS);
+        break;
+      case 18:  // GetWinSizeChars, returns CSI 8 ; height ; width t
+        if (this._bufferService) {
+          this._coreService.triggerDataEvent(`${C0.ESC}[8;${this._bufferService.rows};${this._bufferService.cols}t`);
+        }
+        break;
+      case 22:  // PushTitle
+        if (second === 0 || second === 2) {
+          this._windowTitleStack.push(this._windowTitle);
+          if (this._windowTitleStack.length > STACK_LIMIT) {
+            this._windowTitleStack.shift();
+          }
+        }
+        if (second === 0 || second === 1) {
+          this._iconNameStack.push(this._iconName);
+          if (this._iconNameStack.length > STACK_LIMIT) {
+            this._iconNameStack.shift();
+          }
+        }
+        break;
+      case 23:  // PopTitle
+        if (second === 0 || second === 2) {
+          if (this._windowTitleStack.length) {
+            this.setTitle(this._windowTitleStack.pop()!);
+          }
+        }
+        if (second === 0 || second === 1) {
+          if (this._iconNameStack.length) {
+            this.setIconName(this._iconNameStack.pop()!);
+          }
+        }
+        break;
+    }
+    return true;
+  }
+
+
+  /**
+   * CSI s
+   * ESC 7
+   *   Save cursor (ANSI.SYS).
+   *
+   * @vt: #P[TODO...]  CSI SCOSC   "Save Cursor"   "CSI s"   "Save cursor position, charmap and text attributes."
+   * @vt: #Y ESC  SC   "Save Cursor"   "ESC 7"   "Save cursor position, charmap and text attributes."
+   */
+  public saveCursor(params?: IParams): boolean {
+    this._activeBuffer.savedX = this._activeBuffer.x;
+    this._activeBuffer.savedY = this._activeBuffer.ybase + this._activeBuffer.y;
+    this._activeBuffer.savedCurAttrData.fg = this._curAttrData.fg;
+    this._activeBuffer.savedCurAttrData.bg = this._curAttrData.bg;
+    this._activeBuffer.savedCharset = this._charsetService.charset;
+    return true;
+  }
+
+
+  /**
+   * CSI u
+   * ESC 8
+   *   Restore cursor (ANSI.SYS).
+   *
+   * @vt: #P[TODO...]  CSI SCORC "Restore Cursor"  "CSI u"   "Restore cursor position, charmap and text attributes."
+   * @vt: #Y ESC  RC "Restore Cursor"  "ESC 8"   "Restore cursor position, charmap and text attributes."
+   */
+  public restoreCursor(params?: IParams): boolean {
+    this._activeBuffer.x = this._activeBuffer.savedX || 0;
+    this._activeBuffer.y = Math.max(this._activeBuffer.savedY - this._activeBuffer.ybase, 0);
+    this._curAttrData.fg = this._activeBuffer.savedCurAttrData.fg;
+    this._curAttrData.bg = this._activeBuffer.savedCurAttrData.bg;
+    this._charsetService.charset = (this as any)._savedCharset;
+    if (this._activeBuffer.savedCharset) {
+      this._charsetService.charset = this._activeBuffer.savedCharset;
+    }
+    this._restrictCursor();
+    return true;
+  }
+
+
+  /**
+   * OSC 2; <data> ST (set window title)
+   *   Proxy to set window title.
+   *
+   * @vt: #P[Icon name is not exposed.]   OSC    0   "Set Windows Title and Icon Name"  "OSC 0 ; Pt BEL"  "Set window title and icon name."
+   * Icon name is not supported. For Window Title see below.
+   *
+   * @vt: #Y     OSC    2   "Set Windows Title"  "OSC 2 ; Pt BEL"  "Set window title."
+   * xterm.js does not manipulate the title directly, instead exposes changes via the event
+   * `Terminal.onTitleChange`.
+   */
+  public setTitle(data: string): boolean {
+    this._windowTitle = data;
+    this._onTitleChange.fire(data);
+    return true;
+  }
+
+  /**
+   * OSC 1; <data> ST
+   * Note: Icon name is not exposed.
+   */
+  public setIconName(data: string): boolean {
+    this._iconName = data;
+    return true;
+  }
+
+  /**
+   * OSC 4; <num> ; <text> ST (set ANSI color <num> to <text>)
+   *
+   * @vt: #Y    OSC    4    "Set ANSI color"   "OSC 4 ; c ; spec BEL" "Change color number `c` to the color specified by `spec`."
+   * `c` is the color index between 0 and 255. The color format of `spec` is derived from
+   * `XParseColor` (see OSC 10 for supported formats). There may be multipe `c ; spec` pairs present
+   * in the same instruction. If `spec` contains `?` the terminal returns a sequence with the
+   * currently set color.
+   */
+  public setOrReportIndexedColor(data: string): boolean {
+    const event: IColorEvent = [];
+    const slots = data.split(';');
+    while (slots.length > 1) {
+      const idx = slots.shift() as string;
+      const spec = slots.shift() as string;
+      if (/^\d+$/.exec(idx)) {
+        const index = parseInt(idx);
+        if (isValidColorIndex(index)) {
+          if (spec === '?') {
+            event.push({ type: ColorRequestType.REPORT, index });
+          } else {
+            const color = parseColor(spec);
+            if (color) {
+              event.push({ type: ColorRequestType.SET, index, color });
+            }
+          }
+        }
+      }
+    }
+    if (event.length) {
+      this._onColor.fire(event);
+    }
+    return true;
+  }
+
+  /**
+   * OSC 8 ; <params> ; <uri> ST - create hyperlink
+   * OSC 8 ; ; ST - finish hyperlink
+   *
+   * Test case:
+   *
+   * ```sh
+   * printf '\e]8;;http://example.com\e\\This is a link\e]8;;\e\\\n'
+   * ```
+   *
+   * @vt: #Y    OSC    8    "Create hyperlink"   "OSC 8 ; params ; uri BEL" "Create a hyperlink to `uri` using `params`."
+   * `uri` is a hyperlink starting with `http://`, `https://`, `ftp://`, `file://` or `mailto://`. `params` is an
+   * optional list of key=value assignments, separated by the : character.
+   * Example: `id=xyz123:foo=bar:baz=quux`.
+   * Currently only the id key is defined. Cells that share the same ID and URI share hover
+   * feedback. Use `OSC 8 ; ; BEL` to finish the current hyperlink.
+   */
+  public setHyperlink(data: string): boolean {
+    const args = data.split(';');
+    if (args.length < 2) {
+      return false;
+    }
+    if (args[1]) {
+      return this._createHyperlink(args[0], args[1]);
+    }
+    if (args[0]) {
+      return false;
+    }
+    return this._finishHyperlink();
+  }
+
+  private _createHyperlink(params: string, uri: string): boolean {
+    // It's legal to open a new hyperlink without explicitly finishing the previous one
+    if (this._getCurrentLinkId()) {
+      this._finishHyperlink();
+    }
+    const parsedParams = params.split(':');
+    let id: string | undefined;
+    const idParamIndex = parsedParams.findIndex(e => e.startsWith('id='));
+    if (idParamIndex !== -1) {
+      id = parsedParams[idParamIndex].slice(3) || undefined;
+    }
+    this._curAttrData.extended = this._curAttrData.extended.clone();
+    this._curAttrData.extended.urlId = this._oscLinkService.registerLink({ id, uri });
+    this._curAttrData.updateExtended();
+    return true;
+  }
+
+  private _finishHyperlink(): boolean {
+    this._curAttrData.extended = this._curAttrData.extended.clone();
+    this._curAttrData.extended.urlId = 0;
+    this._curAttrData.updateExtended();
+    return true;
+  }
+
+  // special colors - OSC 10 | 11 | 12
+  private _specialColors = [SpecialColorIndex.FOREGROUND, SpecialColorIndex.BACKGROUND, SpecialColorIndex.CURSOR];
+
+  /**
+   * Apply colors requests for special colors in OSC 10 | 11 | 12.
+   * Since these commands are stacking from multiple parameters,
+   * we handle them in a loop with an entry offset to `_specialColors`.
+   */
+  private _setOrReportSpecialColor(data: string, offset: number): boolean {
+    const slots = data.split(';');
+    for (let i = 0; i < slots.length; ++i, ++offset) {
+      if (offset >= this._specialColors.length) break;
+      if (slots[i] === '?') {
+        this._onColor.fire([{ type: ColorRequestType.REPORT, index: this._specialColors[offset] }]);
+      } else {
+        const color = parseColor(slots[i]);
+        if (color) {
+          this._onColor.fire([{ type: ColorRequestType.SET, index: this._specialColors[offset], color }]);
+        }
+      }
+    }
+    return true;
+  }
+
+  /**
+   * OSC 10 ; <xcolor name>|<?> ST - set or query default foreground color
+   *
+   * @vt: #Y  OSC   10    "Set or query default foreground color"   "OSC 10 ; Pt BEL"  "Set or query default foreground color."
+   * To set the color, the following color specification formats are supported:
+   * - `rgb:<red>/<green>/<blue>` for  `<red>, <green>, <blue>` in `h | hh | hhh | hhhh`, where
+   *   `h` is a single hexadecimal digit (case insignificant). The different widths scale
+   *   from 4 bit (`h`) to 16 bit (`hhhh`) and get converted to 8 bit (`hh`).
+   * - `#RGB` - 4 bits per channel, expanded to `#R0G0B0`
+   * - `#RRGGBB` - 8 bits per channel
+   * - `#RRRGGGBBB` - 12 bits per channel, truncated to `#RRGGBB`
+   * - `#RRRRGGGGBBBB` - 16 bits per channel, truncated to `#RRGGBB`
+   *
+   * **Note:** X11 named colors are currently unsupported.
+   *
+   * If `Pt` contains `?` instead of a color specification, the terminal
+   * returns a sequence with the current default foreground color
+   * (use that sequence to restore the color after changes).
+   *
+   * **Note:** Other than xterm, xterm.js does not support OSC 12 - 19.
+   * Therefore stacking multiple `Pt` separated by `;` only works for the first two entries.
+   */
+  public setOrReportFgColor(data: string): boolean {
+    return this._setOrReportSpecialColor(data, 0);
+  }
+
+  /**
+   * OSC 11 ; <xcolor name>|<?> ST - set or query default background color
+   *
+   * @vt: #Y  OSC   11    "Set or query default background color"   "OSC 11 ; Pt BEL"  "Same as OSC 10, but for default background."
+   */
+  public setOrReportBgColor(data: string): boolean {
+    return this._setOrReportSpecialColor(data, 1);
+  }
+
+  /**
+   * OSC 12 ; <xcolor name>|<?> ST - set or query default cursor color
+   *
+   * @vt: #Y  OSC   12    "Set or query default cursor color"   "OSC 12 ; Pt BEL"  "Same as OSC 10, but for default cursor color."
+   */
+  public setOrReportCursorColor(data: string): boolean {
+    return this._setOrReportSpecialColor(data, 2);
+  }
+
+  /**
+   * OSC 104 ; <num> ST - restore ANSI color <num>
+   *
+   * @vt: #Y  OSC   104    "Reset ANSI color"   "OSC 104 ; c BEL" "Reset color number `c` to themed color."
+   * `c` is the color index between 0 and 255. This function restores the default color for `c` as
+   * specified by the loaded theme. Any number of `c` parameters may be given.
+   * If no parameters are given, the entire indexed color table will be reset.
+   */
+  public restoreIndexedColor(data: string): boolean {
+    if (!data) {
+      this._onColor.fire([{ type: ColorRequestType.RESTORE }]);
+      return true;
+    }
+    const event: IColorEvent = [];
+    const slots = data.split(';');
+    for (let i = 0; i < slots.length; ++i) {
+      if (/^\d+$/.exec(slots[i])) {
+        const index = parseInt(slots[i]);
+        if (isValidColorIndex(index)) {
+          event.push({ type: ColorRequestType.RESTORE, index });
+        }
+      }
+    }
+    if (event.length) {
+      this._onColor.fire(event);
+    }
+    return true;
+  }
+
+  /**
+   * OSC 110 ST - restore default foreground color
+   *
+   * @vt: #Y  OSC   110    "Restore default foreground color"   "OSC 110 BEL"  "Restore default foreground to themed color."
+   */
+  public restoreFgColor(data: string): boolean {
+    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.FOREGROUND }]);
+    return true;
+  }
+
+  /**
+   * OSC 111 ST - restore default background color
+   *
+   * @vt: #Y  OSC   111    "Restore default background color"   "OSC 111 BEL"  "Restore default background to themed color."
+   */
+  public restoreBgColor(data: string): boolean {
+    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.BACKGROUND }]);
+    return true;
+  }
+
+  /**
+   * OSC 112 ST - restore default cursor color
+   *
+   * @vt: #Y  OSC   112    "Restore default cursor color"   "OSC 112 BEL"  "Restore default cursor to themed color."
+   */
+  public restoreCursorColor(data: string): boolean {
+    this._onColor.fire([{ type: ColorRequestType.RESTORE, index: SpecialColorIndex.CURSOR }]);
+    return true;
+  }
+
+  /**
+   * ESC E
+   * C1.NEL
+   *   DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)
+   *   Moves cursor to first position on next line.
+   *
+   * @vt: #Y   C1    NEL   "Next Line"   "\x85"    "Move the cursor to the beginning of the next row."
+   * @vt: #Y   ESC   NEL   "Next Line"   "ESC E"   "Move the cursor to the beginning of the next row."
+   */
+  public nextLine(): boolean {
+    this._activeBuffer.x = 0;
+    this.index();
+    return true;
+  }
+
+  /**
+   * ESC =
+   *   DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)
+   *   Enables the numeric keypad to send application sequences to the host.
+   */
+  public keypadApplicationMode(): boolean {
+    this._logService.debug('Serial port requested application keypad.');
+    this._coreService.decPrivateModes.applicationKeypad = true;
+    this._onRequestSyncScrollBar.fire();
+    return true;
+  }
+
+  /**
+   * ESC >
+   *   DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)
+   *   Enables the keypad to send numeric characters to the host.
+   */
+  public keypadNumericMode(): boolean {
+    this._logService.debug('Switching back to normal keypad.');
+    this._coreService.decPrivateModes.applicationKeypad = false;
+    this._onRequestSyncScrollBar.fire();
+    return true;
+  }
+
+  /**
+   * ESC % @
+   * ESC % G
+   *   Select default character set. UTF-8 is not supported (string are unicode anyways)
+   *   therefore ESC % G does the same.
+   */
+  public selectDefaultCharset(): boolean {
+    this._charsetService.setgLevel(0);
+    this._charsetService.setgCharset(0, DEFAULT_CHARSET); // US (default)
+    return true;
+  }
+
+  /**
+   * ESC ( C
+   *   Designate G0 Character Set, VT100, ISO 2022.
+   * ESC ) C
+   *   Designate G1 Character Set (ISO 2022, VT100).
+   * ESC * C
+   *   Designate G2 Character Set (ISO 2022, VT220).
+   * ESC + C
+   *   Designate G3 Character Set (ISO 2022, VT220).
+   * ESC - C
+   *   Designate G1 Character Set (VT300).
+   * ESC . C
+   *   Designate G2 Character Set (VT300).
+   * ESC / C
+   *   Designate G3 Character Set (VT300). C = A  -> ISO Latin-1 Supplemental. - Supported?
+   */
+  public selectCharset(collectAndFlag: string): boolean {
+    if (collectAndFlag.length !== 2) {
+      this.selectDefaultCharset();
+      return true;
+    }
+    if (collectAndFlag[0] === '/') {
+      return true;  // TODO: Is this supported?
+    }
+    this._charsetService.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);
+    return true;
+  }
+
+  /**
+   * ESC D
+   * C1.IND
+   *   DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)
+   *   Moves the cursor down one line in the same column.
+   *
+   * @vt: #Y   C1    IND   "Index"   "\x84"    "Move the cursor one line down scrolling if needed."
+   * @vt: #Y   ESC   IND   "Index"   "ESC D"   "Move the cursor one line down scrolling if needed."
+   */
+  public index(): boolean {
+    this._restrictCursor();
+    this._activeBuffer.y++;
+    if (this._activeBuffer.y === this._activeBuffer.scrollBottom + 1) {
+      this._activeBuffer.y--;
+      this._bufferService.scroll(this._eraseAttrData());
+    } else if (this._activeBuffer.y >= this._bufferService.rows) {
+      this._activeBuffer.y = this._bufferService.rows - 1;
+    }
+    this._restrictCursor();
+    return true;
+  }
+
+  /**
+   * ESC H
+   * C1.HTS
+   *   DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)
+   *   Sets a horizontal tab stop at the column position indicated by
+   *   the value of the active column when the terminal receives an HTS.
+   *
+   * @vt: #Y   C1    HTS   "Horizontal Tabulation Set" "\x88"    "Places a tab stop at the current cursor position."
+   * @vt: #Y   ESC   HTS   "Horizontal Tabulation Set" "ESC H"   "Places a tab stop at the current cursor position."
+   */
+  public tabSet(): boolean {
+    this._activeBuffer.tabs[this._activeBuffer.x] = true;
+    return true;
+  }
+
+  /**
+   * ESC M
+   * C1.RI
+   *   DEC mnemonic: HTS
+   *   Moves the cursor up one line in the same column. If the cursor is at the top margin,
+   *   the page scrolls down.
+   *
+   * @vt: #Y ESC  IR "Reverse Index" "ESC M"  "Move the cursor one line up scrolling if needed."
+   */
+  public reverseIndex(): boolean {
+    this._restrictCursor();
+    if (this._activeBuffer.y === this._activeBuffer.scrollTop) {
+      // possibly move the code below to term.reverseScroll();
+      // test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
+      // blankLine(true) is xterm/linux behavior
+      const scrollRegionHeight = this._activeBuffer.scrollBottom - this._activeBuffer.scrollTop;
+      this._activeBuffer.lines.shiftElements(this._activeBuffer.ybase + this._activeBuffer.y, scrollRegionHeight, 1);
+      this._activeBuffer.lines.set(this._activeBuffer.ybase + this._activeBuffer.y, this._activeBuffer.getBlankLine(this._eraseAttrData()));
+      this._dirtyRowTracker.markRangeDirty(this._activeBuffer.scrollTop, this._activeBuffer.scrollBottom);
+    } else {
+      this._activeBuffer.y--;
+      this._restrictCursor(); // quickfix to not run out of bounds
+    }
+    return true;
+  }
+
+  /**
+   * ESC c
+   *   DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)
+   *   Reset to initial state.
+   */
+  public fullReset(): boolean {
+    this._parser.reset();
+    this._onRequestReset.fire();
+    return true;
+  }
+
+  public reset(): void {
+    this._curAttrData = DEFAULT_ATTR_DATA.clone();
+    this._eraseAttrDataInternal = DEFAULT_ATTR_DATA.clone();
+  }
+
+  /**
+   * back_color_erase feature for xterm.
+   */
+  private _eraseAttrData(): IAttributeData {
+    this._eraseAttrDataInternal.bg &= ~(Attributes.CM_MASK | 0xFFFFFF);
+    this._eraseAttrDataInternal.bg |= this._curAttrData.bg & ~0xFC000000;
+    return this._eraseAttrDataInternal;
+  }
+
+  /**
+   * ESC n
+   * ESC o
+   * ESC |
+   * ESC }
+   * ESC ~
+   *   DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)
+   *   When you use a locking shift, the character set remains in GL or GR until
+   *   you use another locking shift. (partly supported)
+   */
+  public setgLevel(level: number): boolean {
+    this._charsetService.setgLevel(level);
+    return true;
+  }
+
+  /**
+   * ESC # 8
+   *   DEC mnemonic: DECALN (https://vt100.net/docs/vt510-rm/DECALN.html)
+   *   This control function fills the complete screen area with
+   *   a test pattern (E) used for adjusting screen alignment.
+   *
+   * @vt: #Y   ESC   DECALN   "Screen Alignment Pattern"  "ESC # 8"  "Fill viewport with a test pattern (E)."
+   */
+  public screenAlignmentPattern(): boolean {
+    // prepare cell data
+    const cell = new CellData();
+    cell.content = 1 << Content.WIDTH_SHIFT | 'E'.charCodeAt(0);
+    cell.fg = this._curAttrData.fg;
+    cell.bg = this._curAttrData.bg;
+
+
+    this._setCursor(0, 0);
+    for (let yOffset = 0; yOffset < this._bufferService.rows; ++yOffset) {
+      const row = this._activeBuffer.ybase + this._activeBuffer.y + yOffset;
+      const line = this._activeBuffer.lines.get(row);
+      if (line) {
+        line.fill(cell);
+        line.isWrapped = false;
+      }
+    }
+    this._dirtyRowTracker.markAllDirty();
+    this._setCursor(0, 0);
+    return true;
+  }
+
+
+  /**
+   * DCS $ q Pt ST
+   *   DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)
+   *   Request Status String (DECRQSS), VT420 and up.
+   *   Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)
+   *
+   * @vt: #P[Limited support, see below.]  DCS   DECRQSS   "Request Selection or Setting"  "DCS $ q Pt ST"   "Request several terminal settings."
+   * Response is in the form `ESC P 1 $ r Pt ST` for valid requests, where `Pt` contains the
+   * corresponding CSI string, `ESC P 0 ST` for invalid requests.
+   *
+   * Supported requests and responses:
+   *
+   * | Type                             | Request           | Response (`Pt`)                                       |
+   * | -------------------------------- | ----------------- | ----------------------------------------------------- |
+   * | Graphic Rendition (SGR)          | `DCS $ q m ST`    | always reporting `0m` (currently broken)              |
+   * | Top and Bottom Margins (DECSTBM) | `DCS $ q r ST`    | `Ps ; Ps r`                                           |
+   * | Cursor Style (DECSCUSR)          | `DCS $ q SP q ST` | `Ps SP q`                                             |
+   * | Protection Attribute (DECSCA)    | `DCS $ q " q ST`  | `Ps " q` (DECSCA 2 is reported as Ps = 0)             |
+   * | Conformance Level (DECSCL)       | `DCS $ q " p ST`  | always reporting `61 ; 1 " p` (DECSCL is unsupported) |
+   *
+   *
+   * TODO:
+   * - fix SGR report
+   * - either check which conformance is better suited or remove the report completely
+   *   --> we are currently a mixture of all up to VT400 but dont follow anyone strictly
+   */
+  public requestStatusString(data: string, params: IParams): boolean {
+    const f = (s: string): boolean => {
+      this._coreService.triggerDataEvent(`${C0.ESC}${s}${C0.ESC}\\`);
+      return true;
+    };
+
+    // access helpers
+    const b = this._bufferService.buffer;
+    const opts = this._optionsService.rawOptions;
+    const STYLES: { [key: string]: number } = { 'block': 2, 'underline': 4, 'bar': 6 };
+
+    if (data === '"q') return f(`P1$r${this._curAttrData.isProtected() ? 1 : 0}"q`);
+    if (data === '"p') return f(`P1$r61;1"p`);
+    if (data === 'r') return f(`P1$r${b.scrollTop + 1};${b.scrollBottom + 1}r`);
+    // FIXME: report real SGR settings instead of 0m
+    if (data === 'm') return f(`P1$r0m`);
+    if (data === ' q') return f(`P1$r${STYLES[opts.cursorStyle] - (opts.cursorBlink ? 1 : 0)} q`);
+    return f(`P0$r`);
+  }
+
+  public markRangeDirty(y1: number, y2: number): void {
+    this._dirtyRowTracker.markRangeDirty(y1, y2);
+  }
+}
+
+export interface IDirtyRowTracker {
+  readonly start: number;
+  readonly end: number;
+
+  clearRange(): void;
+  markDirty(y: number): void;
+  markRangeDirty(y1: number, y2: number): void;
+  markAllDirty(): void;
+}
+
+class DirtyRowTracker implements IDirtyRowTracker {
+  public start!: number;
+  public end!: number;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService
+  ) {
+    this.clearRange();
+  }
+
+  public clearRange(): void {
+    this.start = this._bufferService.buffer.y;
+    this.end = this._bufferService.buffer.y;
+  }
+
+  public markDirty(y: number): void {
+    if (y < this.start) {
+      this.start = y;
+    } else if (y > this.end) {
+      this.end = y;
+    }
+  }
+
+  public markRangeDirty(y1: number, y2: number): void {
+    if (y1 > y2) {
+      $temp = y1;
+      y1 = y2;
+      y2 = $temp;
+    }
+    if (y1 < this.start) {
+      this.start = y1;
+    }
+    if (y2 > this.end) {
+      this.end = y2;
+    }
+  }
+
+  public markAllDirty(): void {
+    this.markRangeDirty(0, this._bufferService.rows - 1);
+  }
+}
+
+function isValidColorIndex(value: number): value is ColorIndex {
+  return 0 <= value && value < 256;
+}
diff --git a/web/public/node_modules/xterm/src/common/Lifecycle.ts b/web/public/node_modules/xterm/src/common/Lifecycle.ts
new file mode 100644
index 000000000..6e5ef27dd
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/Lifecycle.ts
@@ -0,0 +1,108 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+
+/**
+ * A base class that can be extended to provide convenience methods for managing the lifecycle of an
+ * object and its components.
+ */
+export abstract class Disposable implements IDisposable {
+  protected _disposables: IDisposable[] = [];
+  protected _isDisposed: boolean = false;
+
+  /**
+   * Disposes the object, triggering the `dispose` method on all registered IDisposables.
+   */
+  public dispose(): void {
+    this._isDisposed = true;
+    for (const d of this._disposables) {
+      d.dispose();
+    }
+    this._disposables.length = 0;
+  }
+
+  /**
+   * Registers a disposable object.
+   * @param d The disposable to register.
+   * @returns The disposable.
+   */
+  public register<T extends IDisposable>(d: T): T {
+    this._disposables.push(d);
+    return d;
+  }
+
+  /**
+   * Unregisters a disposable object if it has been registered, if not do
+   * nothing.
+   * @param d The disposable to unregister.
+   */
+  public unregister<T extends IDisposable>(d: T): void {
+    const index = this._disposables.indexOf(d);
+    if (index !== -1) {
+      this._disposables.splice(index, 1);
+    }
+  }
+}
+
+export class MutableDisposable<T extends IDisposable> implements IDisposable {
+  private _value?: T;
+  private _isDisposed = false;
+
+  /**
+   * Gets the value if it exists.
+   */
+  public get value(): T | undefined {
+    return this._isDisposed ? undefined : this._value;
+  }
+
+  /**
+   * Sets the value, disposing of the old value if it exists.
+   */
+  public set value(value: T | undefined) {
+    if (this._isDisposed || value === this._value) {
+      return;
+    }
+    this._value?.dispose();
+    this._value = value;
+  }
+
+  /**
+   * Resets the stored value and disposes of the previously stored value.
+   */
+  public clear(): void {
+    this.value = undefined;
+  }
+
+  public dispose(): void {
+    this._isDisposed = true;
+    this._value?.dispose();
+    this._value = undefined;
+  }
+}
+
+/**
+ * Wrap a function in a disposable.
+ */
+export function toDisposable(f: () => void): IDisposable {
+  return { dispose: f };
+}
+
+/**
+ * Dispose of all disposables in an array and set its length to 0.
+ */
+export function disposeArray(disposables: IDisposable[]): void {
+  for (const d of disposables) {
+    d.dispose();
+  }
+  disposables.length = 0;
+}
+
+/**
+ * Creates a disposable that will dispose of an array of disposables when disposed.
+ */
+export function getDisposeArrayDisposable(array: IDisposable[]): IDisposable {
+  return { dispose: () => disposeArray(array) };
+}
diff --git a/web/public/node_modules/xterm/src/common/MultiKeyMap.ts b/web/public/node_modules/xterm/src/common/MultiKeyMap.ts
new file mode 100644
index 000000000..6287a8f24
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/MultiKeyMap.ts
@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export class TwoKeyMap<TFirst extends string | number, TSecond extends string | number, TValue> {
+  private _data: { [bg: string | number]: { [fg: string | number]: TValue | undefined } | undefined } = {};
+
+  public set(first: TFirst, second: TSecond, value: TValue): void {
+    if (!this._data[first]) {
+      this._data[first] = {};
+    }
+    this._data[first as string | number]![second] = value;
+  }
+
+  public get(first: TFirst, second: TSecond): TValue | undefined {
+    return this._data[first as string | number] ? this._data[first as string | number]![second] : undefined;
+  }
+
+  public clear(): void {
+    this._data = {};
+  }
+}
+
+export class FourKeyMap<TFirst extends string | number, TSecond extends string | number, TThird extends string | number, TFourth extends string | number, TValue> {
+  private _data: TwoKeyMap<TFirst, TSecond, TwoKeyMap<TThird, TFourth, TValue>> = new TwoKeyMap();
+
+  public set(first: TFirst, second: TSecond, third: TThird, fourth: TFourth, value: TValue): void {
+    if (!this._data.get(first, second)) {
+      this._data.set(first, second, new TwoKeyMap());
+    }
+    this._data.get(first, second)!.set(third, fourth, value);
+  }
+
+  public get(first: TFirst, second: TSecond, third: TThird, fourth: TFourth): TValue | undefined {
+    return this._data.get(first, second)?.get(third, fourth);
+  }
+
+  public clear(): void {
+    this._data.clear();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/Platform.ts b/web/public/node_modules/xterm/src/common/Platform.ts
new file mode 100644
index 000000000..41d8552e4
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/Platform.ts
@@ -0,0 +1,43 @@
+/**
+ * Copyright (c) 2016 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+interface INavigator {
+  userAgent: string;
+  language: string;
+  platform: string;
+}
+
+// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but
+// we want this module to live in common.
+declare const navigator: INavigator;
+
+export const isNode = (typeof navigator === 'undefined') ? true : false;
+const userAgent = (isNode) ? 'node' : navigator.userAgent;
+const platform = (isNode) ? 'node' : navigator.platform;
+
+export const isFirefox = userAgent.includes('Firefox');
+export const isLegacyEdge = userAgent.includes('Edge');
+export const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);
+export function getSafariVersion(): number {
+  if (!isSafari) {
+    return 0;
+  }
+  const majorVersion = userAgent.match(/Version\/(\d+)/);
+  if (majorVersion === null || majorVersion.length < 2) {
+    return 0;
+  }
+  return parseInt(majorVersion[1]);
+}
+
+// Find the users platform. We use this to interpret the meta key
+// and ISO third level shifts.
+// http://stackoverflow.com/q/19877924/577598
+export const isMac = ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'].includes(platform);
+export const isIpad = platform === 'iPad';
+export const isIphone = platform === 'iPhone';
+export const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].includes(platform);
+export const isLinux = platform.indexOf('Linux') >= 0;
+// Note that when this is true, isLinux will also be true.
+export const isChromeOS = /\bCrOS\b/.test(userAgent);
diff --git a/web/public/node_modules/xterm/src/common/SortedList.ts b/web/public/node_modules/xterm/src/common/SortedList.ts
new file mode 100644
index 000000000..c32500911
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/SortedList.ts
@@ -0,0 +1,118 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+// Work variables to avoid garbage collection.
+let i = 0;
+
+/**
+ * A generic list that is maintained in sorted order and allows values with duplicate keys. This
+ * list is based on binary search and as such locating a key will take O(log n) amortized, this
+ * includes the by key iterator.
+ */
+export class SortedList<T> {
+  private readonly _array: T[] = [];
+
+  constructor(
+    private readonly _getKey: (value: T) => number
+  ) {
+  }
+
+  public clear(): void {
+    this._array.length = 0;
+  }
+
+  public insert(value: T): void {
+    if (this._array.length === 0) {
+      this._array.push(value);
+      return;
+    }
+    i = this._search(this._getKey(value));
+    this._array.splice(i, 0, value);
+  }
+
+  public delete(value: T): boolean {
+    if (this._array.length === 0) {
+      return false;
+    }
+    const key = this._getKey(value);
+    if (key === undefined) {
+      return false;
+    }
+    i = this._search(key);
+    if (i === -1) {
+      return false;
+    }
+    if (this._getKey(this._array[i]) !== key) {
+      return false;
+    }
+    do {
+      if (this._array[i] === value) {
+        this._array.splice(i, 1);
+        return true;
+      }
+    } while (++i < this._array.length && this._getKey(this._array[i]) === key);
+    return false;
+  }
+
+  public *getKeyIterator(key: number): IterableIterator<T> {
+    if (this._array.length === 0) {
+      return;
+    }
+    i = this._search(key);
+    if (i < 0 || i >= this._array.length) {
+      return;
+    }
+    if (this._getKey(this._array[i]) !== key) {
+      return;
+    }
+    do {
+      yield this._array[i];
+    } while (++i < this._array.length && this._getKey(this._array[i]) === key);
+  }
+
+  public forEachByKey(key: number, callback: (value: T) => void): void {
+    if (this._array.length === 0) {
+      return;
+    }
+    i = this._search(key);
+    if (i < 0 || i >= this._array.length) {
+      return;
+    }
+    if (this._getKey(this._array[i]) !== key) {
+      return;
+    }
+    do {
+      callback(this._array[i]);
+    } while (++i < this._array.length && this._getKey(this._array[i]) === key);
+  }
+
+  public values(): IterableIterator<T> {
+    // Duplicate the array to avoid issues when _array changes while iterating
+    return [...this._array].values();
+  }
+
+  private _search(key: number): number {
+    let min = 0;
+    let max = this._array.length - 1;
+    while (max >= min) {
+      let mid = (min + max) >> 1;
+      const midKey = this._getKey(this._array[mid]);
+      if (midKey > key) {
+        max = mid - 1;
+      } else if (midKey < key) {
+        min = mid + 1;
+      } else {
+        // key in list, walk to lowest duplicate
+        while (mid > 0 && this._getKey(this._array[mid - 1]) === key) {
+          mid--;
+        }
+        return mid;
+      }
+    }
+    // key not in list
+    // still return closest min (also used as insert position)
+    return min;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/TaskQueue.ts b/web/public/node_modules/xterm/src/common/TaskQueue.ts
new file mode 100644
index 000000000..29c29f648
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/TaskQueue.ts
@@ -0,0 +1,166 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { isNode } from 'common/Platform';
+
+interface ITaskQueue {
+  /**
+   * Adds a task to the queue which will run in a future idle callback.
+   * To avoid perceivable stalls on the mainthread, tasks with heavy workload
+   * should split their work into smaller pieces and return `true` to get
+   * called again until the work is done (on falsy return value).
+   */
+  enqueue(task: () => boolean | void): void;
+
+  /**
+   * Flushes the queue, running all remaining tasks synchronously.
+   */
+  flush(): void;
+
+  /**
+   * Clears any remaining tasks from the queue, these will not be run.
+   */
+  clear(): void;
+}
+
+interface ITaskDeadline {
+  timeRemaining(): number;
+}
+type CallbackWithDeadline = (deadline: ITaskDeadline) => void;
+
+abstract class TaskQueue implements ITaskQueue {
+  private _tasks: (() => boolean | void)[] = [];
+  private _idleCallback?: number;
+  private _i = 0;
+
+  protected abstract _requestCallback(callback: CallbackWithDeadline): number;
+  protected abstract _cancelCallback(identifier: number): void;
+
+  public enqueue(task: () => boolean | void): void {
+    this._tasks.push(task);
+    this._start();
+  }
+
+  public flush(): void {
+    while (this._i < this._tasks.length) {
+      if (!this._tasks[this._i]()) {
+        this._i++;
+      }
+    }
+    this.clear();
+  }
+
+  public clear(): void {
+    if (this._idleCallback) {
+      this._cancelCallback(this._idleCallback);
+      this._idleCallback = undefined;
+    }
+    this._i = 0;
+    this._tasks.length = 0;
+  }
+
+  private _start(): void {
+    if (!this._idleCallback) {
+      this._idleCallback = this._requestCallback(this._process.bind(this));
+    }
+  }
+
+  private _process(deadline: ITaskDeadline): void {
+    this._idleCallback = undefined;
+    let taskDuration = 0;
+    let longestTask = 0;
+    let lastDeadlineRemaining = deadline.timeRemaining();
+    let deadlineRemaining = 0;
+    while (this._i < this._tasks.length) {
+      taskDuration = Date.now();
+      if (!this._tasks[this._i]()) {
+        this._i++;
+      }
+      // other than performance.now, Date.now might not be stable (changes on wall clock changes),
+      // this is not an issue here as a clock change during a short running task is very unlikely
+      // in case it still happened and leads to negative duration, simply assume 1 msec
+      taskDuration = Math.max(1, Date.now() - taskDuration);
+      longestTask = Math.max(taskDuration, longestTask);
+      // Guess the following task will take a similar time to the longest task in this batch, allow
+      // additional room to try avoid exceeding the deadline
+      deadlineRemaining = deadline.timeRemaining();
+      if (longestTask * 1.5 > deadlineRemaining) {
+        // Warn when the time exceeding the deadline is over 20ms, if this happens in practice the
+        // task should be split into sub-tasks to ensure the UI remains responsive.
+        if (lastDeadlineRemaining - taskDuration < -20) {
+          console.warn(`task queue exceeded allotted deadline by ${Math.abs(Math.round(lastDeadlineRemaining - taskDuration))}ms`);
+        }
+        this._start();
+        return;
+      }
+      lastDeadlineRemaining = deadlineRemaining;
+    }
+    this.clear();
+  }
+}
+
+/**
+ * A queue of that runs tasks over several tasks via setTimeout, trying to maintain above 60 frames
+ * per second. The tasks will run in the order they are enqueued, but they will run some time later,
+ * and care should be taken to ensure they're non-urgent and will not introduce race conditions.
+ */
+export class PriorityTaskQueue extends TaskQueue {
+  protected _requestCallback(callback: CallbackWithDeadline): number {
+    return setTimeout(() => callback(this._createDeadline(16)));
+  }
+
+  protected _cancelCallback(identifier: number): void {
+    clearTimeout(identifier);
+  }
+
+  private _createDeadline(duration: number): ITaskDeadline {
+    const end = Date.now() + duration;
+    return {
+      timeRemaining: () => Math.max(0, end - Date.now())
+    };
+  }
+}
+
+class IdleTaskQueueInternal extends TaskQueue {
+  protected _requestCallback(callback: IdleRequestCallback): number {
+    return requestIdleCallback(callback);
+  }
+
+  protected _cancelCallback(identifier: number): void {
+    cancelIdleCallback(identifier);
+  }
+}
+
+/**
+ * A queue of that runs tasks over several idle callbacks, trying to respect the idle callback's
+ * deadline given by the environment. The tasks will run in the order they are enqueued, but they
+ * will run some time later, and care should be taken to ensure they're non-urgent and will not
+ * introduce race conditions.
+ *
+ * This reverts to a {@link PriorityTaskQueue} if the environment does not support idle callbacks.
+ */
+// eslint-disable-next-line @typescript-eslint/naming-convention
+export const IdleTaskQueue = (!isNode && 'requestIdleCallback' in window) ? IdleTaskQueueInternal : PriorityTaskQueue;
+
+/**
+ * An object that tracks a single debounced task that will run on the next idle frame. When called
+ * multiple times, only the last set task will run.
+ */
+export class DebouncedIdleTask {
+  private _queue: ITaskQueue;
+
+  constructor() {
+    this._queue = new IdleTaskQueue();
+  }
+
+  public set(task: () => boolean | void): void {
+    this._queue.clear();
+    this._queue.enqueue(task);
+  }
+
+  public flush(): void {
+    this._queue.flush();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/TypedArrayUtils.ts b/web/public/node_modules/xterm/src/common/TypedArrayUtils.ts
new file mode 100644
index 000000000..f3bacd507
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/TypedArrayUtils.ts
@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Int8Array | Int16Array | Int32Array | Float32Array | Float64Array;
+
+/**
+ * Concat two typed arrays `a` and `b`.
+ * Returns a new typed array.
+ */
+export function concat<T extends TypedArray>(a: T, b: T): T {
+  const result = new (a.constructor as any)(a.length + b.length);
+  result.set(a);
+  result.set(b, a.length);
+  return result;
+}
diff --git a/web/public/node_modules/xterm/src/common/Types.d.ts b/web/public/node_modules/xterm/src/common/Types.d.ts
new file mode 100644
index 000000000..4a9d70220
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/Types.d.ts
@@ -0,0 +1,553 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDeleteEvent, IInsertEvent } from 'common/CircularList';
+import { IEvent, IEventEmitter } from 'common/EventEmitter';
+import { Attributes, UnderlineStyle } from 'common/buffer/Constants'; // eslint-disable-line no-unused-vars
+import { IBufferSet } from 'common/buffer/Types';
+import { IParams } from 'common/parser/Types';
+import { ICoreMouseService, ICoreService, IOptionsService, IUnicodeService } from 'common/services/Services';
+import { IFunctionIdentifier, ITerminalOptions as IPublicTerminalOptions } from 'xterm';
+
+export interface ICoreTerminal {
+  coreMouseService: ICoreMouseService;
+  coreService: ICoreService;
+  optionsService: IOptionsService;
+  unicodeService: IUnicodeService;
+  buffers: IBufferSet;
+  options: Required<ITerminalOptions>;
+  registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable;
+  registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable;
+}
+
+export interface IDisposable {
+  dispose(): void;
+}
+
+// TODO: The options that are not in the public API should be reviewed
+export interface ITerminalOptions extends IPublicTerminalOptions {
+  [key: string]: any;
+  cancelEvents?: boolean;
+  convertEol?: boolean;
+  termName?: string;
+}
+
+export type CursorStyle = 'block' | 'underline' | 'bar';
+
+export type CursorInactiveStyle = 'outline' | 'block' | 'bar' | 'underline' | 'none';
+
+export type XtermListener = (...args: any[]) => void;
+
+/**
+ * A keyboard event interface which does not depend on the DOM, KeyboardEvent implicitly extends
+ * this event.
+ */
+export interface IKeyboardEvent {
+  altKey: boolean;
+  ctrlKey: boolean;
+  shiftKey: boolean;
+  metaKey: boolean;
+  /** @deprecated See KeyboardEvent.keyCode */
+  keyCode: number;
+  key: string;
+  type: string;
+  code: string;
+}
+
+export interface IScrollEvent {
+  position: number;
+  source: ScrollSource;
+}
+
+export const enum ScrollSource {
+  TERMINAL,
+  VIEWPORT,
+}
+
+export interface ICircularList<T> {
+  length: number;
+  maxLength: number;
+  isFull: boolean;
+
+  onDeleteEmitter: IEventEmitter<IDeleteEvent>;
+  onDelete: IEvent<IDeleteEvent>;
+  onInsertEmitter: IEventEmitter<IInsertEvent>;
+  onInsert: IEvent<IInsertEvent>;
+  onTrimEmitter: IEventEmitter<number>;
+  onTrim: IEvent<number>;
+
+  get(index: number): T | undefined;
+  set(index: number, value: T): void;
+  push(value: T): void;
+  recycle(): T;
+  pop(): T | undefined;
+  splice(start: number, deleteCount: number, ...items: T[]): void;
+  trimStart(count: number): void;
+  shiftElements(start: number, count: number, offset: number): void;
+}
+
+export const enum KeyboardResultType {
+  SEND_KEY,
+  SELECT_ALL,
+  PAGE_UP,
+  PAGE_DOWN
+}
+
+export interface IKeyboardResult {
+  type: KeyboardResultType;
+  cancel: boolean;
+  key: string | undefined;
+}
+
+export interface ICharset {
+  [key: string]: string | undefined;
+}
+
+export type CharData = [number, string, number, number];
+
+export interface IColor {
+  css: string;
+  rgba: number; // 32-bit int with rgba in each byte
+}
+export type IColorRGB = [number, number, number];
+
+export interface IExtendedAttrs {
+  ext: number;
+  underlineStyle: UnderlineStyle;
+  underlineColor: number;
+  urlId: number;
+  clone(): IExtendedAttrs;
+  isEmpty(): boolean;
+}
+
+/**
+ * Tracks the current hyperlink. Since these are treated as extended attirbutes, these get passed on
+ * to the linkifier when anything is printed. Doing it this way ensures that even when the cursor
+ * moves around unexpectedly the link is tracked, as opposed to using a start position and
+ * finalizing it at the end.
+ */
+export interface IOscLinkData {
+  id?: string;
+  uri: string;
+}
+
+/**
+ * An object that represents all attributes of a cell.
+ */
+export interface IAttributeData {
+  /**
+   * "fg" is a 32-bit unsigned integer that stores the foreground color of the cell in the 24 least
+   * significant bits and additional flags in the remaining 8 bits.
+   */
+  fg: number;
+  /**
+   * "bg" is a 32-bit unsigned integer that stores the background color of the cell in the 24 least
+   * significant bits and additional flags in the remaining 8 bits.
+   */
+  bg: number;
+  /**
+   * "extended", aka "ext", stores extended attributes beyond those available in fg and bg. This
+   * data is optional on a cell and encodes less common data.
+   */
+  extended: IExtendedAttrs;
+
+  clone(): IAttributeData;
+
+  // flags
+  isInverse(): number;
+  isBold(): number;
+  isUnderline(): number;
+  isBlink(): number;
+  isInvisible(): number;
+  isItalic(): number;
+  isDim(): number;
+  isStrikethrough(): number;
+  isProtected(): number;
+  isOverline(): number;
+
+  /**
+   * The color mode of the foreground color which determines how to decode {@link getFgColor},
+   * possible values include {@link Attributes.CM_DEFAULT}, {@link Attributes.CM_P16},
+   * {@link Attributes.CM_P256} and {@link Attributes.CM_RGB}.
+   */
+  getFgColorMode(): number;
+  /**
+   * The color mode of the background color which determines how to decode {@link getBgColor},
+   * possible values include {@link Attributes.CM_DEFAULT}, {@link Attributes.CM_P16},
+   * {@link Attributes.CM_P256} and {@link Attributes.CM_RGB}.
+   */
+  getBgColorMode(): number;
+  isFgRGB(): boolean;
+  isBgRGB(): boolean;
+  isFgPalette(): boolean;
+  isBgPalette(): boolean;
+  isFgDefault(): boolean;
+  isBgDefault(): boolean;
+  isAttributeDefault(): boolean;
+
+  /**
+   * Gets an integer representation of the foreground color, how to decode the color depends on the
+   * color mode {@link getFgColorMode}.
+   */
+  getFgColor(): number;
+  /**
+   * Gets an integer representation of the background color, how to decode the color depends on the
+   * color mode {@link getBgColorMode}.
+   */
+  getBgColor(): number;
+
+  // extended attrs
+  hasExtendedAttrs(): number;
+  updateExtended(): void;
+  getUnderlineColor(): number;
+  getUnderlineColorMode(): number;
+  isUnderlineColorRGB(): boolean;
+  isUnderlineColorPalette(): boolean;
+  isUnderlineColorDefault(): boolean;
+  getUnderlineStyle(): number;
+}
+
+/** Cell data */
+export interface ICellData extends IAttributeData {
+  content: number;
+  combinedData: string;
+  isCombined(): number;
+  getWidth(): number;
+  getChars(): string;
+  getCode(): number;
+  setFromCharData(value: CharData): void;
+  getAsCharData(): CharData;
+}
+
+/**
+ * Interface for a line in the terminal buffer.
+ */
+export interface IBufferLine {
+  length: number;
+  isWrapped: boolean;
+  get(index: number): CharData;
+  set(index: number, value: CharData): void;
+  loadCell(index: number, cell: ICellData): ICellData;
+  setCell(index: number, cell: ICellData): void;
+  setCellFromCodePoint(index: number, codePoint: number, width: number, fg: number, bg: number, eAttrs: IExtendedAttrs): void;
+  addCodepointToCell(index: number, codePoint: number): void;
+  insertCells(pos: number, n: number, ch: ICellData, eraseAttr?: IAttributeData): void;
+  deleteCells(pos: number, n: number, fill: ICellData, eraseAttr?: IAttributeData): void;
+  replaceCells(start: number, end: number, fill: ICellData, eraseAttr?: IAttributeData, respectProtect?: boolean): void;
+  resize(cols: number, fill: ICellData): boolean;
+  cleanupMemory(): number;
+  fill(fillCellData: ICellData, respectProtect?: boolean): void;
+  copyFrom(line: IBufferLine): void;
+  clone(): IBufferLine;
+  getTrimmedLength(): number;
+  getNoBgTrimmedLength(): number;
+  translateToString(trimRight?: boolean, startCol?: number, endCol?: number): string;
+
+  /* direct access to cell attrs */
+  getWidth(index: number): number;
+  hasWidth(index: number): number;
+  getFg(index: number): number;
+  getBg(index: number): number;
+  hasContent(index: number): number;
+  getCodePoint(index: number): number;
+  isCombined(index: number): number;
+  getString(index: number): string;
+}
+
+export interface IMarker extends IDisposable {
+  readonly id: number;
+  readonly isDisposed: boolean;
+  readonly line: number;
+  onDispose: IEvent<void>;
+}
+export interface IModes {
+  insertMode: boolean;
+}
+
+export interface IDecPrivateModes {
+  applicationCursorKeys: boolean;
+  applicationKeypad: boolean;
+  bracketedPasteMode: boolean;
+  origin: boolean;
+  reverseWraparound: boolean;
+  sendFocus: boolean;
+  wraparound: boolean; // defaults: xterm - true, vt100 - false
+}
+
+export interface IRowRange {
+  start: number;
+  end: number;
+}
+
+/**
+ * Interface for mouse events in the core.
+ */
+export const enum CoreMouseButton {
+  LEFT = 0,
+  MIDDLE = 1,
+  RIGHT = 2,
+  NONE = 3,
+  WHEEL = 4,
+  // additional buttons 1..8
+  // untested!
+  AUX1 = 8,
+  AUX2 = 9,
+  AUX3 = 10,
+  AUX4 = 11,
+  AUX5 = 12,
+  AUX6 = 13,
+  AUX7 = 14,
+  AUX8 = 15
+}
+
+export const enum CoreMouseAction {
+  UP = 0,     // buttons, wheel
+  DOWN = 1,   // buttons, wheel
+  LEFT = 2,   // wheel only
+  RIGHT = 3,  // wheel only
+  MOVE = 32   // buttons only
+}
+
+export interface ICoreMouseEvent {
+  /** column (zero based). */
+  col: number;
+  /** row (zero based). */
+  row: number;
+  /** xy pixel positions. */
+  x: number;
+  y: number;
+  /**
+   * Button the action occured. Due to restrictions of the tracking protocols
+   * it is not possible to report multiple buttons at once.
+   * Wheel is treated as a button.
+   * There are invalid combinations of buttons and actions possible
+   * (like move + wheel), those are silently ignored by the CoreMouseService.
+   */
+  button: CoreMouseButton;
+  action: CoreMouseAction;
+  /**
+   * Modifier states.
+   * Protocols will add/ignore those based on specific restrictions.
+   */
+  ctrl?: boolean;
+  alt?: boolean;
+  shift?: boolean;
+}
+
+/**
+ * CoreMouseEventType
+ * To be reported to the browser component which events a mouse
+ * protocol wants to be catched and forwarded as an ICoreMouseEvent
+ * to CoreMouseService.
+ */
+export const enum CoreMouseEventType {
+  NONE = 0,
+  /** any mousedown event */
+  DOWN = 1,
+  /** any mouseup event */
+  UP = 2,
+  /** any mousemove event while a button is held */
+  DRAG = 4,
+  /** any mousemove event without a button */
+  MOVE = 8,
+  /** any wheel event */
+  WHEEL = 16
+}
+
+/**
+ * Mouse protocol interface.
+ * A mouse protocol can be registered and activated at the CoreMouseService.
+ * `events` should contain a list of needed events as a hint for the browser component
+ * to install/remove the appropriate event handlers.
+ * `restrict` applies further protocol specific restrictions like not allowed
+ * modifiers or filtering invalid event types.
+ */
+export interface ICoreMouseProtocol {
+  events: CoreMouseEventType;
+  restrict: (e: ICoreMouseEvent) => boolean;
+}
+
+/**
+ * CoreMouseEncoding
+ * The tracking encoding can be registered and activated at the CoreMouseService.
+ * If a ICoreMouseEvent passes all procotol restrictions it will be encoded
+ * with the active encoding and sent out.
+ * Note: Returning an empty string will supress sending a mouse report,
+ * which can be used to skip creating falsey reports in limited encodings
+ * (DEFAULT only supports up to 223 1-based as coord value).
+ */
+export type CoreMouseEncoding = (event: ICoreMouseEvent) => string;
+
+/**
+ * windowOptions
+ */
+export interface IWindowOptions {
+  restoreWin?: boolean;
+  minimizeWin?: boolean;
+  setWinPosition?: boolean;
+  setWinSizePixels?: boolean;
+  raiseWin?: boolean;
+  lowerWin?: boolean;
+  refreshWin?: boolean;
+  setWinSizeChars?: boolean;
+  maximizeWin?: boolean;
+  fullscreenWin?: boolean;
+  getWinState?: boolean;
+  getWinPosition?: boolean;
+  getWinSizePixels?: boolean;
+  getScreenSizePixels?: boolean;
+  getCellSizePixels?: boolean;
+  getWinSizeChars?: boolean;
+  getScreenSizeChars?: boolean;
+  getIconTitle?: boolean;
+  getWinTitle?: boolean;
+  pushTitle?: boolean;
+  popTitle?: boolean;
+  setWinLines?: boolean;
+}
+
+// color events from common, used for OSC 4/10/11/12 and 104/110/111/112
+export const enum ColorRequestType {
+  REPORT = 0,
+  SET = 1,
+  RESTORE = 2
+}
+
+// IntRange from https://stackoverflow.com/a/39495173
+type Enumerate<N extends number, Acc extends number[] = []> = Acc['length'] extends N
+  ? Acc[number]
+  : Enumerate<N, [...Acc, Acc['length']]>;
+type IntRange<F extends number, T extends number> = Exclude<Enumerate<T>, Enumerate<F>>;
+
+type ColorIndex = IntRange<0, 256>; // number from 0 to 255
+type AllColorIndex = ColorIndex | SpecialColorIndex;
+export const enum SpecialColorIndex {
+  FOREGROUND = 256,
+  BACKGROUND = 257,
+  CURSOR = 258
+}
+export interface IColorReportRequest {
+  type: ColorRequestType.REPORT;
+  index: AllColorIndex;
+}
+export interface IColorSetRequest {
+  type: ColorRequestType.SET;
+  index: AllColorIndex;
+  color: IColorRGB;
+}
+export interface IColorRestoreRequest {
+  type: ColorRequestType.RESTORE;
+  index?: AllColorIndex;
+}
+export type IColorEvent = (IColorReportRequest | IColorSetRequest | IColorRestoreRequest)[];
+
+
+/**
+ * Calls the parser and handles actions generated by the parser.
+ */
+export interface IInputHandler {
+  onTitleChange: IEvent<string>;
+
+  parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean>;
+  print(data: Uint32Array, start: number, end: number): void;
+  registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise<boolean>): IDisposable;
+  registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise<boolean>): IDisposable;
+  registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable;
+
+  /** C0 BEL */ bell(): boolean;
+  /** C0 LF */ lineFeed(): boolean;
+  /** C0 CR */ carriageReturn(): boolean;
+  /** C0 BS */ backspace(): boolean;
+  /** C0 HT */ tab(): boolean;
+  /** C0 SO */ shiftOut(): boolean;
+  /** C0 SI */ shiftIn(): boolean;
+
+  /** CSI @ */ insertChars(params: IParams): boolean;
+  /** CSI SP @ */ scrollLeft(params: IParams): boolean;
+  /** CSI A */ cursorUp(params: IParams): boolean;
+  /** CSI SP A */ scrollRight(params: IParams): boolean;
+  /** CSI B */ cursorDown(params: IParams): boolean;
+  /** CSI C */ cursorForward(params: IParams): boolean;
+  /** CSI D */ cursorBackward(params: IParams): boolean;
+  /** CSI E */ cursorNextLine(params: IParams): boolean;
+  /** CSI F */ cursorPrecedingLine(params: IParams): boolean;
+  /** CSI G */ cursorCharAbsolute(params: IParams): boolean;
+  /** CSI H */ cursorPosition(params: IParams): boolean;
+  /** CSI I */ cursorForwardTab(params: IParams): boolean;
+  /** CSI J */ eraseInDisplay(params: IParams): boolean;
+  /** CSI K */ eraseInLine(params: IParams): boolean;
+  /** CSI L */ insertLines(params: IParams): boolean;
+  /** CSI M */ deleteLines(params: IParams): boolean;
+  /** CSI P */ deleteChars(params: IParams): boolean;
+  /** CSI S */ scrollUp(params: IParams): boolean;
+  /** CSI T */ scrollDown(params: IParams, collect?: string): boolean;
+  /** CSI X */ eraseChars(params: IParams): boolean;
+  /** CSI Z */ cursorBackwardTab(params: IParams): boolean;
+  /** CSI ` */ charPosAbsolute(params: IParams): boolean;
+  /** CSI a */ hPositionRelative(params: IParams): boolean;
+  /** CSI b */ repeatPrecedingCharacter(params: IParams): boolean;
+  /** CSI c */ sendDeviceAttributesPrimary(params: IParams): boolean;
+  /** CSI > c */ sendDeviceAttributesSecondary(params: IParams): boolean;
+  /** CSI d */ linePosAbsolute(params: IParams): boolean;
+  /** CSI e */ vPositionRelative(params: IParams): boolean;
+  /** CSI f */ hVPosition(params: IParams): boolean;
+  /** CSI g */ tabClear(params: IParams): boolean;
+  /** CSI h */ setMode(params: IParams, collect?: string): boolean;
+  /** CSI l */ resetMode(params: IParams, collect?: string): boolean;
+  /** CSI m */ charAttributes(params: IParams): boolean;
+  /** CSI n */ deviceStatus(params: IParams, collect?: string): boolean;
+  /** CSI p */ softReset(params: IParams, collect?: string): boolean;
+  /** CSI q */ setCursorStyle(params: IParams, collect?: string): boolean;
+  /** CSI r */ setScrollRegion(params: IParams, collect?: string): boolean;
+  /** CSI s */ saveCursor(params: IParams): boolean;
+  /** CSI u */ restoreCursor(params: IParams): boolean;
+  /** CSI ' } */ insertColumns(params: IParams): boolean;
+  /** CSI ' ~ */ deleteColumns(params: IParams): boolean;
+
+  /** OSC 0
+      OSC 2 */ setTitle(data: string): boolean;
+  /** OSC 4 */ setOrReportIndexedColor(data: string): boolean;
+  /** OSC 10 */ setOrReportFgColor(data: string): boolean;
+  /** OSC 11 */ setOrReportBgColor(data: string): boolean;
+  /** OSC 12 */ setOrReportCursorColor(data: string): boolean;
+  /** OSC 104 */ restoreIndexedColor(data: string): boolean;
+  /** OSC 110 */ restoreFgColor(data: string): boolean;
+  /** OSC 111 */ restoreBgColor(data: string): boolean;
+  /** OSC 112 */ restoreCursorColor(data: string): boolean;
+
+  /** ESC E */ nextLine(): boolean;
+  /** ESC = */ keypadApplicationMode(): boolean;
+  /** ESC > */ keypadNumericMode(): boolean;
+  /** ESC % G
+      ESC % @ */ selectDefaultCharset(): boolean;
+  /** ESC ( C
+      ESC ) C
+      ESC * C
+      ESC + C
+      ESC - C
+      ESC . C
+      ESC / C */ selectCharset(collectAndFlag: string): boolean;
+  /** ESC D */ index(): boolean;
+  /** ESC H */ tabSet(): boolean;
+  /** ESC M */ reverseIndex(): boolean;
+  /** ESC c */ fullReset(): boolean;
+  /** ESC n
+      ESC o
+      ESC |
+      ESC }
+      ESC ~ */ setgLevel(level: number): boolean;
+  /** ESC # 8 */ screenAlignmentPattern(): boolean;
+}
+
+export interface IParseStack {
+  paused: boolean;
+  cursorStartX: number;
+  cursorStartY: number;
+  decodedLength: number;
+  position: number;
+}
diff --git a/web/public/node_modules/xterm/src/common/WindowsMode.ts b/web/public/node_modules/xterm/src/common/WindowsMode.ts
new file mode 100644
index 000000000..7cff094b2
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/WindowsMode.ts
@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'common/buffer/Constants';
+import { IBufferService } from 'common/services/Services';
+
+export function updateWindowsModeWrappedState(bufferService: IBufferService): void {
+  // Winpty does not support wraparound mode which means that lines will never
+  // be marked as wrapped. This causes issues for things like copying a line
+  // retaining the wrapped new line characters or if consumers are listening
+  // in on the data stream.
+  //
+  // The workaround for this is to listen to every incoming line feed and mark
+  // the line as wrapped if the last character in the previous line is not a
+  // space. This is certainly not without its problems, but generally on
+  // Windows when text reaches the end of the terminal it's likely going to be
+  // wrapped.
+  const line = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y - 1);
+  const lastChar = line?.get(bufferService.cols - 1);
+
+  const nextLine = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y);
+  if (nextLine && lastChar) {
+    nextLine.isWrapped = (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/AttributeData.ts b/web/public/node_modules/xterm/src/common/buffer/AttributeData.ts
new file mode 100644
index 000000000..f4d12c2bc
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/AttributeData.ts
@@ -0,0 +1,196 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IAttributeData, IColorRGB, IExtendedAttrs } from 'common/Types';
+import { Attributes, FgFlags, BgFlags, UnderlineStyle, ExtFlags } from 'common/buffer/Constants';
+
+export class AttributeData implements IAttributeData {
+  public static toColorRGB(value: number): IColorRGB {
+    return [
+      value >>> Attributes.RED_SHIFT & 255,
+      value >>> Attributes.GREEN_SHIFT & 255,
+      value & 255
+    ];
+  }
+
+  public static fromColorRGB(value: IColorRGB): number {
+    return (value[0] & 255) << Attributes.RED_SHIFT | (value[1] & 255) << Attributes.GREEN_SHIFT | value[2] & 255;
+  }
+
+  public clone(): IAttributeData {
+    const newObj = new AttributeData();
+    newObj.fg = this.fg;
+    newObj.bg = this.bg;
+    newObj.extended = this.extended.clone();
+    return newObj;
+  }
+
+  // data
+  public fg = 0;
+  public bg = 0;
+  public extended: IExtendedAttrs = new ExtendedAttrs();
+
+  // flags
+  public isInverse(): number       { return this.fg & FgFlags.INVERSE; }
+  public isBold(): number          { return this.fg & FgFlags.BOLD; }
+  public isUnderline(): number     {
+    if (this.hasExtendedAttrs() && this.extended.underlineStyle !== UnderlineStyle.NONE) {
+      return 1;
+    }
+    return this.fg & FgFlags.UNDERLINE;
+  }
+  public isBlink(): number         { return this.fg & FgFlags.BLINK; }
+  public isInvisible(): number     { return this.fg & FgFlags.INVISIBLE; }
+  public isItalic(): number        { return this.bg & BgFlags.ITALIC; }
+  public isDim(): number           { return this.bg & BgFlags.DIM; }
+  public isStrikethrough(): number { return this.fg & FgFlags.STRIKETHROUGH; }
+  public isProtected(): number     { return this.bg & BgFlags.PROTECTED; }
+  public isOverline(): number      { return this.bg & BgFlags.OVERLINE; }
+
+  // color modes
+  public getFgColorMode(): number { return this.fg & Attributes.CM_MASK; }
+  public getBgColorMode(): number { return this.bg & Attributes.CM_MASK; }
+  public isFgRGB(): boolean       { return (this.fg & Attributes.CM_MASK) === Attributes.CM_RGB; }
+  public isBgRGB(): boolean       { return (this.bg & Attributes.CM_MASK) === Attributes.CM_RGB; }
+  public isFgPalette(): boolean   { return (this.fg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.fg & Attributes.CM_MASK) === Attributes.CM_P256; }
+  public isBgPalette(): boolean   { return (this.bg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.bg & Attributes.CM_MASK) === Attributes.CM_P256; }
+  public isFgDefault(): boolean   { return (this.fg & Attributes.CM_MASK) === 0; }
+  public isBgDefault(): boolean   { return (this.bg & Attributes.CM_MASK) === 0; }
+  public isAttributeDefault(): boolean { return this.fg === 0 && this.bg === 0; }
+
+  // colors
+  public getFgColor(): number {
+    switch (this.fg & Attributes.CM_MASK) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:  return this.fg & Attributes.PCOLOR_MASK;
+      case Attributes.CM_RGB:   return this.fg & Attributes.RGB_MASK;
+      default:                  return -1;  // CM_DEFAULT defaults to -1
+    }
+  }
+  public getBgColor(): number {
+    switch (this.bg & Attributes.CM_MASK) {
+      case Attributes.CM_P16:
+      case Attributes.CM_P256:  return this.bg & Attributes.PCOLOR_MASK;
+      case Attributes.CM_RGB:   return this.bg & Attributes.RGB_MASK;
+      default:                  return -1;  // CM_DEFAULT defaults to -1
+    }
+  }
+
+  // extended attrs
+  public hasExtendedAttrs(): number {
+    return this.bg & BgFlags.HAS_EXTENDED;
+  }
+  public updateExtended(): void {
+    if (this.extended.isEmpty()) {
+      this.bg &= ~BgFlags.HAS_EXTENDED;
+    } else {
+      this.bg |= BgFlags.HAS_EXTENDED;
+    }
+  }
+  public getUnderlineColor(): number {
+    if ((this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor) {
+      switch (this.extended.underlineColor & Attributes.CM_MASK) {
+        case Attributes.CM_P16:
+        case Attributes.CM_P256:  return this.extended.underlineColor & Attributes.PCOLOR_MASK;
+        case Attributes.CM_RGB:   return this.extended.underlineColor & Attributes.RGB_MASK;
+        default:                  return this.getFgColor();
+      }
+    }
+    return this.getFgColor();
+  }
+  public getUnderlineColorMode(): number {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? this.extended.underlineColor & Attributes.CM_MASK
+      : this.getFgColorMode();
+  }
+  public isUnderlineColorRGB(): boolean {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_RGB
+      : this.isFgRGB();
+  }
+  public isUnderlineColorPalette(): boolean {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P16
+          || (this.extended.underlineColor & Attributes.CM_MASK) === Attributes.CM_P256
+      : this.isFgPalette();
+  }
+  public isUnderlineColorDefault(): boolean {
+    return (this.bg & BgFlags.HAS_EXTENDED) && ~this.extended.underlineColor
+      ? (this.extended.underlineColor & Attributes.CM_MASK) === 0
+      : this.isFgDefault();
+  }
+  public getUnderlineStyle(): UnderlineStyle {
+    return this.fg & FgFlags.UNDERLINE
+      ? (this.bg & BgFlags.HAS_EXTENDED ? this.extended.underlineStyle : UnderlineStyle.SINGLE)
+      : UnderlineStyle.NONE;
+  }
+}
+
+
+/**
+ * Extended attributes for a cell.
+ * Holds information about different underline styles and color.
+ */
+export class ExtendedAttrs implements IExtendedAttrs {
+  private _ext: number = 0;
+  public get ext(): number {
+    if (this._urlId) {
+      return (
+        (this._ext & ~ExtFlags.UNDERLINE_STYLE) |
+        (this.underlineStyle << 26)
+      );
+    }
+    return this._ext;
+  }
+  public set ext(value: number) { this._ext = value; }
+
+  public get underlineStyle(): UnderlineStyle {
+    // Always return the URL style if it has one
+    if (this._urlId) {
+      return UnderlineStyle.DASHED;
+    }
+    return (this._ext & ExtFlags.UNDERLINE_STYLE) >> 26;
+  }
+  public set underlineStyle(value: UnderlineStyle) {
+    this._ext &= ~ExtFlags.UNDERLINE_STYLE;
+    this._ext |= (value << 26) & ExtFlags.UNDERLINE_STYLE;
+  }
+
+  public get underlineColor(): number {
+    return this._ext & (Attributes.CM_MASK | Attributes.RGB_MASK);
+  }
+  public set underlineColor(value: number) {
+    this._ext &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);
+    this._ext |= value & (Attributes.CM_MASK | Attributes.RGB_MASK);
+  }
+
+  private _urlId: number = 0;
+  public get urlId(): number {
+    return this._urlId;
+  }
+  public set urlId(value: number) {
+    this._urlId = value;
+  }
+
+  constructor(
+    ext: number = 0,
+    urlId: number = 0
+  ) {
+    this._ext = ext;
+    this._urlId = urlId;
+  }
+
+  public clone(): IExtendedAttrs {
+    return new ExtendedAttrs(this._ext, this._urlId);
+  }
+
+  /**
+   * Convenient method to indicate whether the object holds no additional information,
+   * that needs to be persistant in the buffer.
+   */
+  public isEmpty(): boolean {
+    return this.underlineStyle === UnderlineStyle.NONE && this._urlId === 0;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/Buffer.ts b/web/public/node_modules/xterm/src/common/buffer/Buffer.ts
new file mode 100644
index 000000000..250c96bcc
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/Buffer.ts
@@ -0,0 +1,654 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CircularList, IInsertEvent } from 'common/CircularList';
+import { IdleTaskQueue } from 'common/TaskQueue';
+import { IAttributeData, IBufferLine, ICellData, ICharset } from 'common/Types';
+import { ExtendedAttrs } from 'common/buffer/AttributeData';
+import { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { getWrappedLineTrimmedLength, reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths } from 'common/buffer/BufferReflow';
+import { CellData } from 'common/buffer/CellData';
+import { NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE, WHITESPACE_CELL_WIDTH } from 'common/buffer/Constants';
+import { Marker } from 'common/buffer/Marker';
+import { IBuffer } from 'common/buffer/Types';
+import { DEFAULT_CHARSET } from 'common/data/Charsets';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+export const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1
+
+/**
+ * This class represents a terminal buffer (an internal state of the terminal), where the
+ * following information is stored (in high-level):
+ *   - text content of this particular buffer
+ *   - cursor position
+ *   - scroll position
+ */
+export class Buffer implements IBuffer {
+  public lines: CircularList<IBufferLine>;
+  public ydisp: number = 0;
+  public ybase: number = 0;
+  public y: number = 0;
+  public x: number = 0;
+  public scrollBottom: number;
+  public scrollTop: number;
+  public tabs: { [column: number]: boolean | undefined } = {};
+  public savedY: number = 0;
+  public savedX: number = 0;
+  public savedCurAttrData = DEFAULT_ATTR_DATA.clone();
+  public savedCharset: ICharset | undefined = DEFAULT_CHARSET;
+  public markers: Marker[] = [];
+  private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
+  private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);
+  private _cols: number;
+  private _rows: number;
+  private _isClearing: boolean = false;
+
+  constructor(
+    private _hasScrollback: boolean,
+    private _optionsService: IOptionsService,
+    private _bufferService: IBufferService
+  ) {
+    this._cols = this._bufferService.cols;
+    this._rows = this._bufferService.rows;
+    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));
+    this.scrollTop = 0;
+    this.scrollBottom = this._rows - 1;
+    this.setupTabStops();
+  }
+
+  public getNullCell(attr?: IAttributeData): ICellData {
+    if (attr) {
+      this._nullCell.fg = attr.fg;
+      this._nullCell.bg = attr.bg;
+      this._nullCell.extended = attr.extended;
+    } else {
+      this._nullCell.fg = 0;
+      this._nullCell.bg = 0;
+      this._nullCell.extended = new ExtendedAttrs();
+    }
+    return this._nullCell;
+  }
+
+  public getWhitespaceCell(attr?: IAttributeData): ICellData {
+    if (attr) {
+      this._whitespaceCell.fg = attr.fg;
+      this._whitespaceCell.bg = attr.bg;
+      this._whitespaceCell.extended = attr.extended;
+    } else {
+      this._whitespaceCell.fg = 0;
+      this._whitespaceCell.bg = 0;
+      this._whitespaceCell.extended = new ExtendedAttrs();
+    }
+    return this._whitespaceCell;
+  }
+
+  public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {
+    return new BufferLine(this._bufferService.cols, this.getNullCell(attr), isWrapped);
+  }
+
+  public get hasScrollback(): boolean {
+    return this._hasScrollback && this.lines.maxLength > this._rows;
+  }
+
+  public get isCursorInViewport(): boolean {
+    const absoluteY = this.ybase + this.y;
+    const relativeY = absoluteY - this.ydisp;
+    return (relativeY >= 0 && relativeY < this._rows);
+  }
+
+  /**
+   * Gets the correct buffer length based on the rows provided, the terminal's
+   * scrollback and whether this buffer is flagged to have scrollback or not.
+   * @param rows The terminal rows to use in the calculation.
+   */
+  private _getCorrectBufferLength(rows: number): number {
+    if (!this._hasScrollback) {
+      return rows;
+    }
+
+    const correctBufferLength = rows + this._optionsService.rawOptions.scrollback;
+
+    return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;
+  }
+
+  /**
+   * Fills the buffer's viewport with blank lines.
+   */
+  public fillViewportRows(fillAttr?: IAttributeData): void {
+    if (this.lines.length === 0) {
+      if (fillAttr === undefined) {
+        fillAttr = DEFAULT_ATTR_DATA;
+      }
+      let i = this._rows;
+      while (i--) {
+        this.lines.push(this.getBlankLine(fillAttr));
+      }
+    }
+  }
+
+  /**
+   * Clears the buffer to it's initial state, discarding all previous data.
+   */
+  public clear(): void {
+    this.ydisp = 0;
+    this.ybase = 0;
+    this.y = 0;
+    this.x = 0;
+    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));
+    this.scrollTop = 0;
+    this.scrollBottom = this._rows - 1;
+    this.setupTabStops();
+  }
+
+  /**
+   * Resizes the buffer, adjusting its data accordingly.
+   * @param newCols The new number of columns.
+   * @param newRows The new number of rows.
+   */
+  public resize(newCols: number, newRows: number): void {
+    // store reference to null cell with default attrs
+    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
+
+    // count bufferlines with overly big memory to be cleaned afterwards
+    let dirtyMemoryLines = 0;
+
+    // Increase max length if needed before adjustments to allow space to fill
+    // as required.
+    const newMaxLength = this._getCorrectBufferLength(newRows);
+    if (newMaxLength > this.lines.maxLength) {
+      this.lines.maxLength = newMaxLength;
+    }
+
+    // The following adjustments should only happen if the buffer has been
+    // initialized/filled.
+    if (this.lines.length > 0) {
+      // Deal with columns increasing (reducing needs to happen after reflow)
+      if (this._cols < newCols) {
+        for (let i = 0; i < this.lines.length; i++) {
+          // +boolean for fast 0 or 1 conversion
+          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);
+        }
+      }
+
+      // Resize rows in both directions as needed
+      let addToY = 0;
+      if (this._rows < newRows) {
+        for (let y = this._rows; y < newRows; y++) {
+          if (this.lines.length < newRows + this.ybase) {
+            if (this._optionsService.rawOptions.windowsMode || this._optionsService.rawOptions.windowsPty.backend !== undefined || this._optionsService.rawOptions.windowsPty.buildNumber !== undefined) {
+              // Just add the new missing rows on Windows as conpty reprints the screen with it's
+              // view of the world. Once a line enters scrollback for conpty it remains there
+              this.lines.push(new BufferLine(newCols, nullCell));
+            } else {
+              if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
+                // There is room above the buffer and there are no empty elements below the line,
+                // scroll up
+                this.ybase--;
+                addToY++;
+                if (this.ydisp > 0) {
+                  // Viewport is at the top of the buffer, must increase downwards
+                  this.ydisp--;
+                }
+              } else {
+                // Add a blank line if there is no buffer left at the top to scroll to, or if there
+                // are blank lines after the cursor
+                this.lines.push(new BufferLine(newCols, nullCell));
+              }
+            }
+          }
+        }
+      } else { // (this._rows >= newRows)
+        for (let y = this._rows; y > newRows; y--) {
+          if (this.lines.length > newRows + this.ybase) {
+            if (this.lines.length > this.ybase + this.y + 1) {
+              // The line is a blank line below the cursor, remove it
+              this.lines.pop();
+            } else {
+              // The line is the cursor, scroll down
+              this.ybase++;
+              this.ydisp++;
+            }
+          }
+        }
+      }
+
+      // Reduce max length if needed after adjustments, this is done after as it
+      // would otherwise cut data from the bottom of the buffer.
+      if (newMaxLength < this.lines.maxLength) {
+        // Trim from the top of the buffer and adjust ybase and ydisp.
+        const amountToTrim = this.lines.length - newMaxLength;
+        if (amountToTrim > 0) {
+          this.lines.trimStart(amountToTrim);
+          this.ybase = Math.max(this.ybase - amountToTrim, 0);
+          this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
+          this.savedY = Math.max(this.savedY - amountToTrim, 0);
+        }
+        this.lines.maxLength = newMaxLength;
+      }
+
+      // Make sure that the cursor stays on screen
+      this.x = Math.min(this.x, newCols - 1);
+      this.y = Math.min(this.y, newRows - 1);
+      if (addToY) {
+        this.y += addToY;
+      }
+      this.savedX = Math.min(this.savedX, newCols - 1);
+
+      this.scrollTop = 0;
+    }
+
+    this.scrollBottom = newRows - 1;
+
+    if (this._isReflowEnabled) {
+      this._reflow(newCols, newRows);
+
+      // Trim the end of the line off if cols shrunk
+      if (this._cols > newCols) {
+        for (let i = 0; i < this.lines.length; i++) {
+          // +boolean for fast 0 or 1 conversion
+          dirtyMemoryLines += +this.lines.get(i)!.resize(newCols, nullCell);
+        }
+      }
+    }
+
+    this._cols = newCols;
+    this._rows = newRows;
+
+    this._memoryCleanupQueue.clear();
+    // schedule memory cleanup only, if more than 10% of the lines are affected
+    if (dirtyMemoryLines > 0.1 * this.lines.length) {
+      this._memoryCleanupPosition = 0;
+      this._memoryCleanupQueue.enqueue(() => this._batchedMemoryCleanup());
+    }
+  }
+
+  private _memoryCleanupQueue = new IdleTaskQueue();
+  private _memoryCleanupPosition = 0;
+
+  private _batchedMemoryCleanup(): boolean {
+    let normalRun = true;
+    if (this._memoryCleanupPosition >= this.lines.length) {
+      // cleanup made it once through all lines, thus rescan in loop below to also catch shifted
+      // lines, which should finish rather quick if there are no more cleanups pending
+      this._memoryCleanupPosition = 0;
+      normalRun = false;
+    }
+    let counted = 0;
+    while (this._memoryCleanupPosition < this.lines.length) {
+      counted += this.lines.get(this._memoryCleanupPosition++)!.cleanupMemory();
+      // cleanup max 100 lines per batch
+      if (counted > 100) {
+        return true;
+      }
+    }
+    // normal runs always need another rescan afterwards
+    // if we made it here with normalRun=false, we are in a final run
+    // and can end the cleanup task for sure
+    return normalRun;
+  }
+
+  private get _isReflowEnabled(): boolean {
+    const windowsPty = this._optionsService.rawOptions.windowsPty;
+    if (windowsPty && windowsPty.buildNumber) {
+      return this._hasScrollback && windowsPty.backend === 'conpty' && windowsPty.buildNumber >= 21376;
+    }
+    return this._hasScrollback && !this._optionsService.rawOptions.windowsMode;
+  }
+
+  private _reflow(newCols: number, newRows: number): void {
+    if (this._cols === newCols) {
+      return;
+    }
+
+    // Iterate through rows, ignore the last one as it cannot be wrapped
+    if (newCols > this._cols) {
+      this._reflowLarger(newCols, newRows);
+    } else {
+      this._reflowSmaller(newCols, newRows);
+    }
+  }
+
+  private _reflowLarger(newCols: number, newRows: number): void {
+    const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));
+    if (toRemove.length > 0) {
+      const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);
+      reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);
+      this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);
+    }
+  }
+
+  private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {
+    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
+    // Adjust viewport based on number of items removed
+    let viewportAdjustments = countRemoved;
+    while (viewportAdjustments-- > 0) {
+      if (this.ybase === 0) {
+        if (this.y > 0) {
+          this.y--;
+        }
+        if (this.lines.length < newRows) {
+          // Add an extra row at the bottom of the viewport
+          this.lines.push(new BufferLine(newCols, nullCell));
+        }
+      } else {
+        if (this.ydisp === this.ybase) {
+          this.ydisp--;
+        }
+        this.ybase--;
+      }
+    }
+    this.savedY = Math.max(this.savedY - countRemoved, 0);
+  }
+
+  private _reflowSmaller(newCols: number, newRows: number): void {
+    const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
+    // Gather all BufferLines that need to be inserted into the Buffer here so that they can be
+    // batched up and only committed once
+    const toInsert = [];
+    let countToInsert = 0;
+    // Go backwards as many lines may be trimmed and this will avoid considering them
+    for (let y = this.lines.length - 1; y >= 0; y--) {
+      // Check whether this line is a problem
+      let nextLine = this.lines.get(y) as BufferLine;
+      if (!nextLine || !nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {
+        continue;
+      }
+
+      // Gather wrapped lines and adjust y to be the starting line
+      const wrappedLines: BufferLine[] = [nextLine];
+      while (nextLine.isWrapped && y > 0) {
+        nextLine = this.lines.get(--y) as BufferLine;
+        wrappedLines.unshift(nextLine);
+      }
+
+      // If these lines contain the cursor don't touch them, the program will handle fixing up
+      // wrapped lines with the cursor
+      const absoluteY = this.ybase + this.y;
+      if (absoluteY >= y && absoluteY < y + wrappedLines.length) {
+        continue;
+      }
+
+      const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();
+      const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);
+      const linesToAdd = destLineLengths.length - wrappedLines.length;
+      let trimmedLines: number;
+      if (this.ybase === 0 && this.y !== this.lines.length - 1) {
+        // If the top section of the buffer is not yet filled
+        trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);
+      } else {
+        trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);
+      }
+
+      // Add the new lines
+      const newLines: BufferLine[] = [];
+      for (let i = 0; i < linesToAdd; i++) {
+        const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;
+        newLines.push(newLine);
+      }
+      if (newLines.length > 0) {
+        toInsert.push({
+          // countToInsert here gets the actual index, taking into account other inserted items.
+          // using this we can iterate through the list forwards
+          start: y + wrappedLines.length + countToInsert,
+          newLines
+        });
+        countToInsert += newLines.length;
+      }
+      wrappedLines.push(...newLines);
+
+      // Copy buffer data to new locations, this needs to happen backwards to do in-place
+      let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);
+      let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;
+      if (destCol === 0) {
+        destLineIndex--;
+        destCol = destLineLengths[destLineIndex];
+      }
+      let srcLineIndex = wrappedLines.length - linesToAdd - 1;
+      let srcCol = lastLineLength;
+      while (srcLineIndex >= 0) {
+        const cellsToCopy = Math.min(srcCol, destCol);
+        if (wrappedLines[destLineIndex] === undefined) {
+          // Sanity check that the line exists, this has been known to fail for an unknown reason
+          // which would stop the reflow from happening if an exception would throw.
+          break;
+        }
+        wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);
+        destCol -= cellsToCopy;
+        if (destCol === 0) {
+          destLineIndex--;
+          destCol = destLineLengths[destLineIndex];
+        }
+        srcCol -= cellsToCopy;
+        if (srcCol === 0) {
+          srcLineIndex--;
+          const wrappedLinesIndex = Math.max(srcLineIndex, 0);
+          srcCol = getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);
+        }
+      }
+
+      // Null out the end of the line ends if a wide character wrapped to the following line
+      for (let i = 0; i < wrappedLines.length; i++) {
+        if (destLineLengths[i] < newCols) {
+          wrappedLines[i].setCell(destLineLengths[i], nullCell);
+        }
+      }
+
+      // Adjust viewport as needed
+      let viewportAdjustments = linesToAdd - trimmedLines;
+      while (viewportAdjustments-- > 0) {
+        if (this.ybase === 0) {
+          if (this.y < newRows - 1) {
+            this.y++;
+            this.lines.pop();
+          } else {
+            this.ybase++;
+            this.ydisp++;
+          }
+        } else {
+          // Ensure ybase does not exceed its maximum value
+          if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {
+            if (this.ybase === this.ydisp) {
+              this.ydisp++;
+            }
+            this.ybase++;
+          }
+        }
+      }
+      this.savedY = Math.min(this.savedY + linesToAdd, this.ybase + newRows - 1);
+    }
+
+    // Rearrange lines in the buffer if there are any insertions, this is done at the end rather
+    // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many
+    // costly calls to CircularList.splice.
+    if (toInsert.length > 0) {
+      // Record buffer insert events and then play them back backwards so that the indexes are
+      // correct
+      const insertEvents: IInsertEvent[] = [];
+
+      // Record original lines so they don't get overridden when we rearrange the list
+      const originalLines: BufferLine[] = [];
+      for (let i = 0; i < this.lines.length; i++) {
+        originalLines.push(this.lines.get(i) as BufferLine);
+      }
+      const originalLinesLength = this.lines.length;
+
+      let originalLineIndex = originalLinesLength - 1;
+      let nextToInsertIndex = 0;
+      let nextToInsert = toInsert[nextToInsertIndex];
+      this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);
+      let countInsertedSoFar = 0;
+      for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {
+        if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {
+          // Insert extra lines here, adjusting i as needed
+          for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {
+            this.lines.set(i--, nextToInsert.newLines[nextI]);
+          }
+          i++;
+
+          // Create insert events for later
+          insertEvents.push({
+            index: originalLineIndex + 1,
+            amount: nextToInsert.newLines.length
+          });
+
+          countInsertedSoFar += nextToInsert.newLines.length;
+          nextToInsert = toInsert[++nextToInsertIndex];
+        } else {
+          this.lines.set(i, originalLines[originalLineIndex--]);
+        }
+      }
+
+      // Update markers
+      let insertCountEmitted = 0;
+      for (let i = insertEvents.length - 1; i >= 0; i--) {
+        insertEvents[i].index += insertCountEmitted;
+        this.lines.onInsertEmitter.fire(insertEvents[i]);
+        insertCountEmitted += insertEvents[i].amount;
+      }
+      const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);
+      if (amountToTrim > 0) {
+        this.lines.onTrimEmitter.fire(amountToTrim);
+      }
+    }
+  }
+
+  /**
+   * Translates a buffer line to a string, with optional start and end columns.
+   * Wide characters will count as two columns in the resulting string. This
+   * function is useful for getting the actual text underneath the raw selection
+   * position.
+   * @param lineIndex The absolute index of the line being translated.
+   * @param trimRight Whether to trim whitespace to the right.
+   * @param startCol The column to start at.
+   * @param endCol The column to end at.
+   */
+  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {
+    const line = this.lines.get(lineIndex);
+    if (!line) {
+      return '';
+    }
+    return line.translateToString(trimRight, startCol, endCol);
+  }
+
+  public getWrappedRangeForLine(y: number): { first: number, last: number } {
+    let first = y;
+    let last = y;
+    // Scan upwards for wrapped lines
+    while (first > 0 && this.lines.get(first)!.isWrapped) {
+      first--;
+    }
+    // Scan downwards for wrapped lines
+    while (last + 1 < this.lines.length && this.lines.get(last + 1)!.isWrapped) {
+      last++;
+    }
+    return { first, last };
+  }
+
+  /**
+   * Setup the tab stops.
+   * @param i The index to start setting up tab stops from.
+   */
+  public setupTabStops(i?: number): void {
+    if (i !== null && i !== undefined) {
+      if (!this.tabs[i]) {
+        i = this.prevStop(i);
+      }
+    } else {
+      this.tabs = {};
+      i = 0;
+    }
+
+    for (; i < this._cols; i += this._optionsService.rawOptions.tabStopWidth) {
+      this.tabs[i] = true;
+    }
+  }
+
+  /**
+   * Move the cursor to the previous tab stop from the given position (default is current).
+   * @param x The position to move the cursor to the previous tab stop.
+   */
+  public prevStop(x?: number): number {
+    if (x === null || x === undefined) {
+      x = this.x;
+    }
+    while (!this.tabs[--x] && x > 0);
+    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
+  }
+
+  /**
+   * Move the cursor one tab stop forward from the given position (default is current).
+   * @param x The position to move the cursor one tab stop forward.
+   */
+  public nextStop(x?: number): number {
+    if (x === null || x === undefined) {
+      x = this.x;
+    }
+    while (!this.tabs[++x] && x < this._cols);
+    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
+  }
+
+  /**
+   * Clears markers on single line.
+   * @param y The line to clear.
+   */
+  public clearMarkers(y: number): void {
+    this._isClearing = true;
+    for (let i = 0; i < this.markers.length; i++) {
+      if (this.markers[i].line === y) {
+        this.markers[i].dispose();
+        this.markers.splice(i--, 1);
+      }
+    }
+    this._isClearing = false;
+  }
+
+  /**
+   * Clears markers on all lines
+   */
+  public clearAllMarkers(): void {
+    this._isClearing = true;
+    for (let i = 0; i < this.markers.length; i++) {
+      this.markers[i].dispose();
+      this.markers.splice(i--, 1);
+    }
+    this._isClearing = false;
+  }
+
+  public addMarker(y: number): Marker {
+    const marker = new Marker(y);
+    this.markers.push(marker);
+    marker.register(this.lines.onTrim(amount => {
+      marker.line -= amount;
+      // The marker should be disposed when the line is trimmed from the buffer
+      if (marker.line < 0) {
+        marker.dispose();
+      }
+    }));
+    marker.register(this.lines.onInsert(event => {
+      if (marker.line >= event.index) {
+        marker.line += event.amount;
+      }
+    }));
+    marker.register(this.lines.onDelete(event => {
+      // Delete the marker if it's within the range
+      if (marker.line >= event.index && marker.line < event.index + event.amount) {
+        marker.dispose();
+      }
+
+      // Shift the marker if it's after the deleted range
+      if (marker.line > event.index) {
+        marker.line -= event.amount;
+      }
+    }));
+    marker.register(marker.onDispose(() => this._removeMarker(marker)));
+    return marker;
+  }
+
+  private _removeMarker(marker: Marker): void {
+    if (!this._isClearing) {
+      this.markers.splice(this.markers.indexOf(marker), 1);
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/BufferLine.ts b/web/public/node_modules/xterm/src/common/buffer/BufferLine.ts
new file mode 100644
index 000000000..de25dc287
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/BufferLine.ts
@@ -0,0 +1,520 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CharData, IAttributeData, IBufferLine, ICellData, IExtendedAttrs } from 'common/Types';
+import { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';
+import { CellData } from 'common/buffer/CellData';
+import { Attributes, BgFlags, CHAR_DATA_ATTR_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, Content, NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, WHITESPACE_CELL_CHAR } from 'common/buffer/Constants';
+import { stringFromCodePoint } from 'common/input/TextDecoder';
+
+/**
+ * buffer memory layout:
+ *
+ *   |             uint32_t             |        uint32_t         |        uint32_t         |
+ *   |             `content`            |          `FG`           |          `BG`           |
+ *   | wcwidth(2) comb(1) codepoint(21) | flags(8) R(8) G(8) B(8) | flags(8) R(8) G(8) B(8) |
+ */
+
+
+/** typed array slots taken by one cell */
+const CELL_SIZE = 3;
+
+/**
+ * Cell member indices.
+ *
+ * Direct access:
+ *    `content = data[column * CELL_SIZE + Cell.CONTENT];`
+ *    `fg = data[column * CELL_SIZE + Cell.FG];`
+ *    `bg = data[column * CELL_SIZE + Cell.BG];`
+ */
+const enum Cell {
+  CONTENT = 0,
+  FG = 1, // currently simply holds all known attrs
+  BG = 2  // currently unused
+}
+
+export const DEFAULT_ATTR_DATA = Object.freeze(new AttributeData());
+
+// Work variables to avoid garbage collection
+let $startIndex = 0;
+
+/** Factor when to cleanup underlying array buffer after shrinking. */
+const CLEANUP_THRESHOLD = 2;
+
+/**
+ * Typed array based bufferline implementation.
+ *
+ * There are 2 ways to insert data into the cell buffer:
+ * - `setCellFromCodepoint` + `addCodepointToCell`
+ *   Use these for data that is already UTF32.
+ *   Used during normal input in `InputHandler` for faster buffer access.
+ * - `setCell`
+ *   This method takes a CellData object and stores the data in the buffer.
+ *   Use `CellData.fromCharData` to create the CellData object (e.g. from JS string).
+ *
+ * To retrieve data from the buffer use either one of the primitive methods
+ * (if only one particular value is needed) or `loadCell`. For `loadCell` in a loop
+ * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.
+ */
+export class BufferLine implements IBufferLine {
+  protected _data: Uint32Array;
+  protected _combined: {[index: number]: string} = {};
+  protected _extendedAttrs: {[index: number]: IExtendedAttrs | undefined} = {};
+  public length: number;
+
+  constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {
+    this._data = new Uint32Array(cols * CELL_SIZE);
+    const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
+    for (let i = 0; i < cols; ++i) {
+      this.setCell(i, cell);
+    }
+    this.length = cols;
+  }
+
+  /**
+   * Get cell data CharData.
+   * @deprecated
+   */
+  public get(index: number): CharData {
+    const content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    const cp = content & Content.CODEPOINT_MASK;
+    return [
+      this._data[index * CELL_SIZE + Cell.FG],
+      (content & Content.IS_COMBINED_MASK)
+        ? this._combined[index]
+        : (cp) ? stringFromCodePoint(cp) : '',
+      content >> Content.WIDTH_SHIFT,
+      (content & Content.IS_COMBINED_MASK)
+        ? this._combined[index].charCodeAt(this._combined[index].length - 1)
+        : cp
+    ];
+  }
+
+  /**
+   * Set cell data from CharData.
+   * @deprecated
+   */
+  public set(index: number, value: CharData): void {
+    this._data[index * CELL_SIZE + Cell.FG] = value[CHAR_DATA_ATTR_INDEX];
+    if (value[CHAR_DATA_CHAR_INDEX].length > 1) {
+      this._combined[index] = value[1];
+      this._data[index * CELL_SIZE + Cell.CONTENT] = index | Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    } else {
+      this._data[index * CELL_SIZE + Cell.CONTENT] = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    }
+  }
+
+  /**
+   * primitive getters
+   * use these when only one value is needed, otherwise use `loadCell`
+   */
+  public getWidth(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT;
+  }
+
+  /** Test whether content has width. */
+  public hasWidth(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.WIDTH_MASK;
+  }
+
+  /** Get FG cell component. */
+  public getFg(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.FG];
+  }
+
+  /** Get BG cell component. */
+  public getBg(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.BG];
+  }
+
+  /**
+   * Test whether contains any chars.
+   * Basically an empty has no content, but other cells might differ in FG/BG
+   * from real empty cells.
+   */
+  public hasContent(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK;
+  }
+
+  /**
+   * Get codepoint of the cell.
+   * To be in line with `code` in CharData this either returns
+   * a single UTF32 codepoint or the last codepoint of a combined string.
+   */
+  public getCodePoint(index: number): number {
+    const content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    if (content & Content.IS_COMBINED_MASK) {
+      return this._combined[index].charCodeAt(this._combined[index].length - 1);
+    }
+    return content & Content.CODEPOINT_MASK;
+  }
+
+  /** Test whether the cell contains a combined string. */
+  public isCombined(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.IS_COMBINED_MASK;
+  }
+
+  /** Returns the string content of the cell. */
+  public getString(index: number): string {
+    const content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    if (content & Content.IS_COMBINED_MASK) {
+      return this._combined[index];
+    }
+    if (content & Content.CODEPOINT_MASK) {
+      return stringFromCodePoint(content & Content.CODEPOINT_MASK);
+    }
+    // return empty string for empty cells
+    return '';
+  }
+
+  /** Get state of protected flag. */
+  public isProtected(index: number): number {
+    return this._data[index * CELL_SIZE + Cell.BG] & BgFlags.PROTECTED;
+  }
+
+  /**
+   * Load data at `index` into `cell`. This is used to access cells in a way that's more friendly
+   * to GC as it significantly reduced the amount of new objects/references needed.
+   */
+  public loadCell(index: number, cell: ICellData): ICellData {
+    $startIndex = index * CELL_SIZE;
+    cell.content = this._data[$startIndex + Cell.CONTENT];
+    cell.fg = this._data[$startIndex + Cell.FG];
+    cell.bg = this._data[$startIndex + Cell.BG];
+    if (cell.content & Content.IS_COMBINED_MASK) {
+      cell.combinedData = this._combined[index];
+    }
+    if (cell.bg & BgFlags.HAS_EXTENDED) {
+      cell.extended = this._extendedAttrs[index]!;
+    }
+    return cell;
+  }
+
+  /**
+   * Set data at `index` to `cell`.
+   */
+  public setCell(index: number, cell: ICellData): void {
+    if (cell.content & Content.IS_COMBINED_MASK) {
+      this._combined[index] = cell.combinedData;
+    }
+    if (cell.bg & BgFlags.HAS_EXTENDED) {
+      this._extendedAttrs[index] = cell.extended;
+    }
+    this._data[index * CELL_SIZE + Cell.CONTENT] = cell.content;
+    this._data[index * CELL_SIZE + Cell.FG] = cell.fg;
+    this._data[index * CELL_SIZE + Cell.BG] = cell.bg;
+  }
+
+  /**
+   * Set cell data from input handler.
+   * Since the input handler see the incoming chars as UTF32 codepoints,
+   * it gets an optimized access method.
+   */
+  public setCellFromCodePoint(index: number, codePoint: number, width: number, fg: number, bg: number, eAttrs: IExtendedAttrs): void {
+    if (bg & BgFlags.HAS_EXTENDED) {
+      this._extendedAttrs[index] = eAttrs;
+    }
+    this._data[index * CELL_SIZE + Cell.CONTENT] = codePoint | (width << Content.WIDTH_SHIFT);
+    this._data[index * CELL_SIZE + Cell.FG] = fg;
+    this._data[index * CELL_SIZE + Cell.BG] = bg;
+  }
+
+  /**
+   * Add a codepoint to a cell from input handler.
+   * During input stage combining chars with a width of 0 follow and stack
+   * onto a leading char. Since we already set the attrs
+   * by the previous `setDataFromCodePoint` call, we can omit it here.
+   */
+  public addCodepointToCell(index: number, codePoint: number): void {
+    let content = this._data[index * CELL_SIZE + Cell.CONTENT];
+    if (content & Content.IS_COMBINED_MASK) {
+      // we already have a combined string, simply add
+      this._combined[index] += stringFromCodePoint(codePoint);
+    } else {
+      if (content & Content.CODEPOINT_MASK) {
+        // normal case for combining chars:
+        //  - move current leading char + new one into combined string
+        //  - set combined flag
+        this._combined[index] = stringFromCodePoint(content & Content.CODEPOINT_MASK) + stringFromCodePoint(codePoint);
+        content &= ~Content.CODEPOINT_MASK; // set codepoint in buffer to 0
+        content |= Content.IS_COMBINED_MASK;
+      } else {
+        // should not happen - we actually have no data in the cell yet
+        // simply set the data in the cell buffer with a width of 1
+        content = codePoint | (1 << Content.WIDTH_SHIFT);
+      }
+      this._data[index * CELL_SIZE + Cell.CONTENT] = content;
+    }
+  }
+
+  public insertCells(pos: number, n: number, fillCellData: ICellData, eraseAttr?: IAttributeData): void {
+    pos %= this.length;
+
+    // handle fullwidth at pos: reset cell one to the left if pos is second cell of a wide char
+    if (pos && this.getWidth(pos - 1) === 2) {
+      this.setCellFromCodePoint(pos - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+    }
+
+    if (n < this.length - pos) {
+      const cell = new CellData();
+      for (let i = this.length - pos - n - 1; i >= 0; --i) {
+        this.setCell(pos + n + i, this.loadCell(pos + i, cell));
+      }
+      for (let i = 0; i < n; ++i) {
+        this.setCell(pos + i, fillCellData);
+      }
+    } else {
+      for (let i = pos; i < this.length; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    }
+
+    // handle fullwidth at line end: reset last cell if it is first cell of a wide char
+    if (this.getWidth(this.length - 1) === 2) {
+      this.setCellFromCodePoint(this.length - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+    }
+  }
+
+  public deleteCells(pos: number, n: number, fillCellData: ICellData, eraseAttr?: IAttributeData): void {
+    pos %= this.length;
+    if (n < this.length - pos) {
+      const cell = new CellData();
+      for (let i = 0; i < this.length - pos - n; ++i) {
+        this.setCell(pos + i, this.loadCell(pos + n + i, cell));
+      }
+      for (let i = this.length - n; i < this.length; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    } else {
+      for (let i = pos; i < this.length; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    }
+
+    // handle fullwidth at pos:
+    // - reset pos-1 if wide char
+    // - reset pos if width==0 (previous second cell of a wide char)
+    if (pos && this.getWidth(pos - 1) === 2) {
+      this.setCellFromCodePoint(pos - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+    }
+    if (this.getWidth(pos) === 0 && !this.hasContent(pos)) {
+      this.setCellFromCodePoint(pos, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+    }
+  }
+
+  public replaceCells(start: number, end: number, fillCellData: ICellData, eraseAttr?: IAttributeData, respectProtect: boolean = false): void {
+    // full branching on respectProtect==true, hopefully getting fast JIT for standard case
+    if (respectProtect) {
+      if (start && this.getWidth(start - 1) === 2 && !this.isProtected(start - 1)) {
+        this.setCellFromCodePoint(start - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+      }
+      if (end < this.length && this.getWidth(end - 1) === 2 && !this.isProtected(end)) {
+        this.setCellFromCodePoint(end, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+      }
+      while (start < end  && start < this.length) {
+        if (!this.isProtected(start)) {
+          this.setCell(start, fillCellData);
+        }
+        start++;
+      }
+      return;
+    }
+
+    // handle fullwidth at start: reset cell one to the left if start is second cell of a wide char
+    if (start && this.getWidth(start - 1) === 2) {
+      this.setCellFromCodePoint(start - 1, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+    }
+    // handle fullwidth at last cell + 1: reset to empty cell if it is second part of a wide char
+    if (end < this.length && this.getWidth(end - 1) === 2) {
+      this.setCellFromCodePoint(end, 0, 1, eraseAttr?.fg || 0, eraseAttr?.bg || 0, eraseAttr?.extended || new ExtendedAttrs());
+    }
+
+    while (start < end  && start < this.length) {
+      this.setCell(start++, fillCellData);
+    }
+  }
+
+  /**
+   * Resize BufferLine to `cols` filling excess cells with `fillCellData`.
+   * The underlying array buffer will not change if there is still enough space
+   * to hold the new buffer line data.
+   * Returns a boolean indicating, whether a `cleanupMemory` call would free
+   * excess memory (true after shrinking > CLEANUP_THRESHOLD).
+   */
+  public resize(cols: number, fillCellData: ICellData): boolean {
+    if (cols === this.length) {
+      return this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;
+    }
+    const uint32Cells = cols * CELL_SIZE;
+    if (cols > this.length) {
+      if (this._data.buffer.byteLength >= uint32Cells * 4) {
+        // optimization: avoid alloc and data copy if buffer has enough room
+        this._data = new Uint32Array(this._data.buffer, 0, uint32Cells);
+      } else {
+        // slow path: new alloc and full data copy
+        const data = new Uint32Array(uint32Cells);
+        data.set(this._data);
+        this._data = data;
+      }
+      for (let i = this.length; i < cols; ++i) {
+        this.setCell(i, fillCellData);
+      }
+    } else {
+      // optimization: just shrink the view on existing buffer
+      this._data = this._data.subarray(0, uint32Cells);
+      // Remove any cut off combined data
+      const keys = Object.keys(this._combined);
+      for (let i = 0; i < keys.length; i++) {
+        const key = parseInt(keys[i], 10);
+        if (key >= cols) {
+          delete this._combined[key];
+        }
+      }
+      // remove any cut off extended attributes
+      const extKeys = Object.keys(this._extendedAttrs);
+      for (let i = 0; i < extKeys.length; i++) {
+        const key = parseInt(extKeys[i], 10);
+        if (key >= cols) {
+          delete this._extendedAttrs[key];
+        }
+      }
+    }
+    this.length = cols;
+    return uint32Cells * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength;
+  }
+
+  /**
+   * Cleanup underlying array buffer.
+   * A cleanup will be triggered if the array buffer exceeds the actual used
+   * memory by a factor of CLEANUP_THRESHOLD.
+   * Returns 0 or 1 indicating whether a cleanup happened.
+   */
+  public cleanupMemory(): number {
+    if (this._data.length * 4 * CLEANUP_THRESHOLD < this._data.buffer.byteLength) {
+      const data = new Uint32Array(this._data.length);
+      data.set(this._data);
+      this._data = data;
+      return 1;
+    }
+    return 0;
+  }
+
+  /** fill a line with fillCharData */
+  public fill(fillCellData: ICellData, respectProtect: boolean = false): void {
+    // full branching on respectProtect==true, hopefully getting fast JIT for standard case
+    if (respectProtect) {
+      for (let i = 0; i < this.length; ++i) {
+        if (!this.isProtected(i)) {
+          this.setCell(i, fillCellData);
+        }
+      }
+      return;
+    }
+    this._combined = {};
+    this._extendedAttrs = {};
+    for (let i = 0; i < this.length; ++i) {
+      this.setCell(i, fillCellData);
+    }
+  }
+
+  /** alter to a full copy of line  */
+  public copyFrom(line: BufferLine): void {
+    if (this.length !== line.length) {
+      this._data = new Uint32Array(line._data);
+    } else {
+      // use high speed copy if lengths are equal
+      this._data.set(line._data);
+    }
+    this.length = line.length;
+    this._combined = {};
+    for (const el in line._combined) {
+      this._combined[el] = line._combined[el];
+    }
+    this._extendedAttrs = {};
+    for (const el in line._extendedAttrs) {
+      this._extendedAttrs[el] = line._extendedAttrs[el];
+    }
+    this.isWrapped = line.isWrapped;
+  }
+
+  /** create a new clone */
+  public clone(): IBufferLine {
+    const newLine = new BufferLine(0);
+    newLine._data = new Uint32Array(this._data);
+    newLine.length = this.length;
+    for (const el in this._combined) {
+      newLine._combined[el] = this._combined[el];
+    }
+    for (const el in this._extendedAttrs) {
+      newLine._extendedAttrs[el] = this._extendedAttrs[el];
+    }
+    newLine.isWrapped = this.isWrapped;
+    return newLine;
+  }
+
+  public getTrimmedLength(): number {
+    for (let i = this.length - 1; i >= 0; --i) {
+      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK)) {
+        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);
+      }
+    }
+    return 0;
+  }
+
+  public getNoBgTrimmedLength(): number {
+    for (let i = this.length - 1; i >= 0; --i) {
+      if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK) || (this._data[i * CELL_SIZE + Cell.BG] & Attributes.CM_MASK)) {
+        return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);
+      }
+    }
+    return 0;
+  }
+
+  public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {
+    const srcData = src._data;
+    if (applyInReverse) {
+      for (let cell = length - 1; cell >= 0; cell--) {
+        for (let i = 0; i < CELL_SIZE; i++) {
+          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
+        }
+        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {
+          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];
+        }
+      }
+    } else {
+      for (let cell = 0; cell < length; cell++) {
+        for (let i = 0; i < CELL_SIZE; i++) {
+          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
+        }
+        if (srcData[(srcCol + cell) * CELL_SIZE + Cell.BG] & BgFlags.HAS_EXTENDED) {
+          this._extendedAttrs[destCol + cell] = src._extendedAttrs[srcCol + cell];
+        }
+      }
+    }
+
+    // Move any combined data over as needed, FIXME: repeat for extended attrs
+    const srcCombinedKeys = Object.keys(src._combined);
+    for (let i = 0; i < srcCombinedKeys.length; i++) {
+      const key = parseInt(srcCombinedKeys[i], 10);
+      if (key >= srcCol) {
+        this._combined[key - srcCol + destCol] = src._combined[key];
+      }
+    }
+  }
+
+  public translateToString(trimRight: boolean = false, startCol: number = 0, endCol: number = this.length): string {
+    if (trimRight) {
+      endCol = Math.min(endCol, this.getTrimmedLength());
+    }
+    let result = '';
+    while (startCol < endCol) {
+      const content = this._data[startCol * CELL_SIZE + Cell.CONTENT];
+      const cp = content & Content.CODEPOINT_MASK;
+      result += (content & Content.IS_COMBINED_MASK) ? this._combined[startCol] : (cp) ? stringFromCodePoint(cp) : WHITESPACE_CELL_CHAR;
+      startCol += (content >> Content.WIDTH_SHIFT) || 1; // always advance by 1
+    }
+    return result;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/BufferRange.ts b/web/public/node_modules/xterm/src/common/buffer/BufferRange.ts
new file mode 100644
index 000000000..a49cf4811
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/BufferRange.ts
@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBufferRange } from 'xterm';
+
+export function getRangeLength(range: IBufferRange, bufferCols: number): number {
+  if (range.start.y > range.end.y) {
+    throw new Error(`Buffer range end (${range.end.x}, ${range.end.y}) cannot be before start (${range.start.x}, ${range.start.y})`);
+  }
+  return bufferCols * (range.end.y - range.start.y) + (range.end.x - range.start.x + 1);
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/BufferReflow.ts b/web/public/node_modules/xterm/src/common/buffer/BufferReflow.ts
new file mode 100644
index 000000000..af1c64738
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/BufferReflow.ts
@@ -0,0 +1,223 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { BufferLine } from 'common/buffer/BufferLine';
+import { CircularList } from 'common/CircularList';
+import { IBufferLine, ICellData } from 'common/Types';
+
+export interface INewLayoutResult {
+  layout: number[];
+  countRemoved: number;
+}
+
+/**
+ * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed
+ * when a wrapped line unwraps.
+ * @param lines The buffer lines.
+ * @param oldCols The columns before resize
+ * @param newCols The columns after resize.
+ * @param bufferAbsoluteY The absolute y position of the cursor (baseY + cursorY).
+ * @param nullCell The cell data to use when filling in empty cells.
+ */
+export function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, oldCols: number, newCols: number, bufferAbsoluteY: number, nullCell: ICellData): number[] {
+  // Gather all BufferLines that need to be removed from the Buffer here so that they can be
+  // batched up and only committed once
+  const toRemove: number[] = [];
+
+  for (let y = 0; y < lines.length - 1; y++) {
+    // Check if this row is wrapped
+    let i = y;
+    let nextLine = lines.get(++i) as BufferLine;
+    if (!nextLine.isWrapped) {
+      continue;
+    }
+
+    // Check how many lines it's wrapped for
+    const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];
+    while (i < lines.length && nextLine.isWrapped) {
+      wrappedLines.push(nextLine);
+      nextLine = lines.get(++i) as BufferLine;
+    }
+
+    // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped
+    // lines with the cursor
+    if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {
+      y += wrappedLines.length - 1;
+      continue;
+    }
+
+    // Copy buffer data to new locations
+    let destLineIndex = 0;
+    let destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);
+    let srcLineIndex = 1;
+    let srcCol = 0;
+    while (srcLineIndex < wrappedLines.length) {
+      const srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);
+      const srcRemainingCells = srcTrimmedTineLength - srcCol;
+      const destRemainingCells = newCols - destCol;
+      const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);
+
+      wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);
+
+      destCol += cellsToCopy;
+      if (destCol === newCols) {
+        destLineIndex++;
+        destCol = 0;
+      }
+      srcCol += cellsToCopy;
+      if (srcCol === srcTrimmedTineLength) {
+        srcLineIndex++;
+        srcCol = 0;
+      }
+
+      // Make sure the last cell isn't wide, if it is copy it to the current dest
+      if (destCol === 0 && destLineIndex !== 0) {
+        if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {
+          wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);
+          // Null out the end of the last row
+          wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);
+        }
+      }
+    }
+
+    // Clear out remaining cells or fragments could remain;
+    wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);
+
+    // Work backwards and remove any rows at the end that only contain null cells
+    let countToRemove = 0;
+    for (let i = wrappedLines.length - 1; i > 0; i--) {
+      if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {
+        countToRemove++;
+      } else {
+        break;
+      }
+    }
+
+    if (countToRemove > 0) {
+      toRemove.push(y + wrappedLines.length - countToRemove); // index
+      toRemove.push(countToRemove);
+    }
+
+    y += wrappedLines.length - 1;
+  }
+  return toRemove;
+}
+
+/**
+ * Creates and return the new layout for lines given an array of indexes to be removed.
+ * @param lines The buffer lines.
+ * @param toRemove The indexes to remove.
+ */
+export function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {
+  const layout: number[] = [];
+  // First iterate through the list and get the actual indexes to use for rows
+  let nextToRemoveIndex = 0;
+  let nextToRemoveStart = toRemove[nextToRemoveIndex];
+  let countRemovedSoFar = 0;
+  for (let i = 0; i < lines.length; i++) {
+    if (nextToRemoveStart === i) {
+      const countToRemove = toRemove[++nextToRemoveIndex];
+
+      // Tell markers that there was a deletion
+      lines.onDeleteEmitter.fire({
+        index: i - countRemovedSoFar,
+        amount: countToRemove
+      });
+
+      i += countToRemove - 1;
+      countRemovedSoFar += countToRemove;
+      nextToRemoveStart = toRemove[++nextToRemoveIndex];
+    } else {
+      layout.push(i);
+    }
+  }
+  return {
+    layout,
+    countRemoved: countRemovedSoFar
+  };
+}
+
+/**
+ * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's
+ * done all at once in a single iteration through the list since splice is very expensive.
+ * @param lines The buffer lines.
+ * @param newLayout The new layout to apply.
+ */
+export function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {
+  // Record original lines so they don't get overridden when we rearrange the list
+  const newLayoutLines: BufferLine[] = [];
+  for (let i = 0; i < newLayout.length; i++) {
+    newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);
+  }
+
+  // Rearrange the list
+  for (let i = 0; i < newLayoutLines.length; i++) {
+    lines.set(i, newLayoutLines[i]);
+  }
+  lines.length = newLayout.length;
+}
+
+/**
+ * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-
+ * compute the wrapping points since wide characters may need to be wrapped onto the following line.
+ * This function will return an array of numbers of where each line wraps to, the resulting array
+ * will only contain the values `newCols` (when the line does not end with a wide character) and
+ * `newCols - 1` (when the line does end with a wide character), except for the last value which
+ * will contain the remaining items to fill the line.
+ *
+ * Calling this with a `newCols` value of `1` will lock up.
+ *
+ * @param wrappedLines The wrapped lines to evaluate.
+ * @param oldCols The columns before resize.
+ * @param newCols The columns after resize.
+ */
+export function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {
+  const newLineLengths: number[] = [];
+  const cellsNeeded = wrappedLines.map((l, i) => getWrappedLineTrimmedLength(wrappedLines, i, oldCols)).reduce((p, c) => p + c);
+
+  // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and
+  // linesNeeded
+  let srcCol = 0;
+  let srcLine = 0;
+  let cellsAvailable = 0;
+  while (cellsAvailable < cellsNeeded) {
+    if (cellsNeeded - cellsAvailable < newCols) {
+      // Add the final line and exit the loop
+      newLineLengths.push(cellsNeeded - cellsAvailable);
+      break;
+    }
+    srcCol += newCols;
+    const oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);
+    if (srcCol > oldTrimmedLength) {
+      srcCol -= oldTrimmedLength;
+      srcLine++;
+    }
+    const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;
+    if (endsWithWide) {
+      srcCol--;
+    }
+    const lineLength = endsWithWide ? newCols - 1 : newCols;
+    newLineLengths.push(lineLength);
+    cellsAvailable += lineLength;
+  }
+
+  return newLineLengths;
+}
+
+export function getWrappedLineTrimmedLength(lines: BufferLine[], i: number, cols: number): number {
+  // If this is the last row in the wrapped line, get the actual trimmed length
+  if (i === lines.length - 1) {
+    return lines[i].getTrimmedLength();
+  }
+  // Detect whether the following line starts with a wide character and the end of the current line
+  // is null, if so then we can be pretty sure the null character should be excluded from the line
+  // length]
+  const endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;
+  const followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;
+  if (endsInNull && followingLineStartsWithWide) {
+    return cols - 1;
+  }
+  return cols;
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/BufferSet.ts b/web/public/node_modules/xterm/src/common/buffer/BufferSet.ts
new file mode 100644
index 000000000..61165fa1a
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/BufferSet.ts
@@ -0,0 +1,134 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IAttributeData } from 'common/Types';
+import { Buffer } from 'common/buffer/Buffer';
+import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+/**
+ * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and
+ * provides also utilities for working with them.
+ */
+export class BufferSet extends Disposable implements IBufferSet {
+  private _normal!: Buffer;
+  private _alt!: Buffer;
+  private _activeBuffer!: Buffer;
+
+  private readonly _onBufferActivate = this.register(new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>());
+  public readonly onBufferActivate = this._onBufferActivate.event;
+
+  /**
+   * Create a new BufferSet for the given terminal.
+   */
+  constructor(
+    private readonly _optionsService: IOptionsService,
+    private readonly _bufferService: IBufferService
+  ) {
+    super();
+    this.reset();
+    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.resize(this._bufferService.cols, this._bufferService.rows)));
+    this.register(this._optionsService.onSpecificOptionChange('tabStopWidth', () => this.setupTabStops()));
+  }
+
+  public reset(): void {
+    this._normal = new Buffer(true, this._optionsService, this._bufferService);
+    this._normal.fillViewportRows();
+
+    // The alt buffer should never have scrollback.
+    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer
+    this._alt = new Buffer(false, this._optionsService, this._bufferService);
+    this._activeBuffer = this._normal;
+    this._onBufferActivate.fire({
+      activeBuffer: this._normal,
+      inactiveBuffer: this._alt
+    });
+
+    this.setupTabStops();
+  }
+
+  /**
+   * Returns the alt Buffer of the BufferSet
+   */
+  public get alt(): Buffer {
+    return this._alt;
+  }
+
+  /**
+   * Returns the currently active Buffer of the BufferSet
+   */
+  public get active(): Buffer {
+    return this._activeBuffer;
+  }
+
+  /**
+   * Returns the normal Buffer of the BufferSet
+   */
+  public get normal(): Buffer {
+    return this._normal;
+  }
+
+  /**
+   * Sets the normal Buffer of the BufferSet as its currently active Buffer
+   */
+  public activateNormalBuffer(): void {
+    if (this._activeBuffer === this._normal) {
+      return;
+    }
+    this._normal.x = this._alt.x;
+    this._normal.y = this._alt.y;
+    // The alt buffer should always be cleared when we switch to the normal
+    // buffer. This frees up memory since the alt buffer should always be new
+    // when activated.
+    this._alt.clearAllMarkers();
+    this._alt.clear();
+    this._activeBuffer = this._normal;
+    this._onBufferActivate.fire({
+      activeBuffer: this._normal,
+      inactiveBuffer: this._alt
+    });
+  }
+
+  /**
+   * Sets the alt Buffer of the BufferSet as its currently active Buffer
+   */
+  public activateAltBuffer(fillAttr?: IAttributeData): void {
+    if (this._activeBuffer === this._alt) {
+      return;
+    }
+    // Since the alt buffer is always cleared when the normal buffer is
+    // activated, we want to fill it when switching to it.
+    this._alt.fillViewportRows(fillAttr);
+    this._alt.x = this._normal.x;
+    this._alt.y = this._normal.y;
+    this._activeBuffer = this._alt;
+    this._onBufferActivate.fire({
+      activeBuffer: this._alt,
+      inactiveBuffer: this._normal
+    });
+  }
+
+  /**
+   * Resizes both normal and alt buffers, adjusting their data accordingly.
+   * @param newCols The new number of columns.
+   * @param newRows The new number of rows.
+   */
+  public resize(newCols: number, newRows: number): void {
+    this._normal.resize(newCols, newRows);
+    this._alt.resize(newCols, newRows);
+    this.setupTabStops(newCols);
+  }
+
+  /**
+   * Setup the tab stops.
+   * @param i The index to start setting up tab stops from.
+   */
+  public setupTabStops(i?: number): void {
+    this._normal.setupTabStops(i);
+    this._alt.setupTabStops(i);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/CellData.ts b/web/public/node_modules/xterm/src/common/buffer/CellData.ts
new file mode 100644
index 000000000..9454c553c
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/CellData.ts
@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CharData, ICellData, IExtendedAttrs } from 'common/Types';
+import { stringFromCodePoint } from 'common/input/TextDecoder';
+import { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_ATTR_INDEX, Content } from 'common/buffer/Constants';
+import { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';
+
+/**
+ * CellData - represents a single Cell in the terminal buffer.
+ */
+export class CellData extends AttributeData implements ICellData {
+  /** Helper to create CellData from CharData. */
+  public static fromCharData(value: CharData): CellData {
+    const obj = new CellData();
+    obj.setFromCharData(value);
+    return obj;
+  }
+  /** Primitives from terminal buffer. */
+  public content = 0;
+  public fg = 0;
+  public bg = 0;
+  public extended: IExtendedAttrs = new ExtendedAttrs();
+  public combinedData = '';
+  /** Whether cell contains a combined string. */
+  public isCombined(): number {
+    return this.content & Content.IS_COMBINED_MASK;
+  }
+  /** Width of the cell. */
+  public getWidth(): number {
+    return this.content >> Content.WIDTH_SHIFT;
+  }
+  /** JS string of the content. */
+  public getChars(): string {
+    if (this.content & Content.IS_COMBINED_MASK) {
+      return this.combinedData;
+    }
+    if (this.content & Content.CODEPOINT_MASK) {
+      return stringFromCodePoint(this.content & Content.CODEPOINT_MASK);
+    }
+    return '';
+  }
+  /**
+   * Codepoint of cell
+   * Note this returns the UTF32 codepoint of single chars,
+   * if content is a combined string it returns the codepoint
+   * of the last char in string to be in line with code in CharData.
+   */
+  public getCode(): number {
+    return (this.isCombined())
+      ? this.combinedData.charCodeAt(this.combinedData.length - 1)
+      : this.content & Content.CODEPOINT_MASK;
+  }
+  /** Set data from CharData */
+  public setFromCharData(value: CharData): void {
+    this.fg = value[CHAR_DATA_ATTR_INDEX];
+    this.bg = 0;
+    let combined = false;
+    // surrogates and combined strings need special treatment
+    if (value[CHAR_DATA_CHAR_INDEX].length > 2) {
+      combined = true;
+    }
+    else if (value[CHAR_DATA_CHAR_INDEX].length === 2) {
+      const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0);
+      // if the 2-char string is a surrogate create single codepoint
+      // everything else is combined
+      if (0xD800 <= code && code <= 0xDBFF) {
+        const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1);
+        if (0xDC00 <= second && second <= 0xDFFF) {
+          this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+        }
+        else {
+          combined = true;
+        }
+      }
+      else {
+        combined = true;
+      }
+    }
+    else {
+      this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    }
+    if (combined) {
+      this.combinedData = value[CHAR_DATA_CHAR_INDEX];
+      this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);
+    }
+  }
+  /** Get data as CharData. */
+  public getAsCharData(): CharData {
+    return [this.fg, this.getChars(), this.getWidth(), this.getCode()];
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/Constants.ts b/web/public/node_modules/xterm/src/common/buffer/Constants.ts
new file mode 100644
index 000000000..f6a31be7b
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/Constants.ts
@@ -0,0 +1,149 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export const DEFAULT_COLOR = 0;
+export const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);
+export const DEFAULT_EXT = 0;
+
+export const CHAR_DATA_ATTR_INDEX = 0;
+export const CHAR_DATA_CHAR_INDEX = 1;
+export const CHAR_DATA_WIDTH_INDEX = 2;
+export const CHAR_DATA_CODE_INDEX = 3;
+
+/**
+ * Null cell - a real empty cell (containing nothing).
+ * Note that code should always be 0 for a null cell as
+ * several test condition of the buffer line rely on this.
+ */
+export const NULL_CELL_CHAR = '';
+export const NULL_CELL_WIDTH = 1;
+export const NULL_CELL_CODE = 0;
+
+/**
+ * Whitespace cell.
+ * This is meant as a replacement for empty cells when needed
+ * during rendering lines to preserve correct aligment.
+ */
+export const WHITESPACE_CELL_CHAR = ' ';
+export const WHITESPACE_CELL_WIDTH = 1;
+export const WHITESPACE_CELL_CODE = 32;
+
+/**
+ * Bitmasks for accessing data in `content`.
+ */
+export const enum Content {
+  /**
+   * bit 1..21    codepoint, max allowed in UTF32 is 0x10FFFF (21 bits taken)
+   *              read:   `codepoint = content & Content.codepointMask;`
+   *              write:  `content |= codepoint & Content.codepointMask;`
+   *                      shortcut if precondition `codepoint <= 0x10FFFF` is met:
+   *                      `content |= codepoint;`
+   */
+  CODEPOINT_MASK = 0x1FFFFF,
+
+  /**
+   * bit 22       flag indication whether a cell contains combined content
+   *              read:   `isCombined = content & Content.isCombined;`
+   *              set:    `content |= Content.isCombined;`
+   *              clear:  `content &= ~Content.isCombined;`
+   */
+  IS_COMBINED_MASK = 0x200000,  // 1 << 21
+
+  /**
+   * bit 1..22    mask to check whether a cell contains any string data
+   *              we need to check for codepoint and isCombined bits to see
+   *              whether a cell contains anything
+   *              read:   `isEmpty = !(content & Content.hasContent)`
+   */
+  HAS_CONTENT_MASK = 0x3FFFFF,
+
+  /**
+   * bit 23..24   wcwidth value of cell, takes 2 bits (ranges from 0..2)
+   *              read:   `width = (content & Content.widthMask) >> Content.widthShift;`
+   *                      `hasWidth = content & Content.widthMask;`
+   *                      as long as wcwidth is highest value in `content`:
+   *                      `width = content >> Content.widthShift;`
+   *              write:  `content |= (width << Content.widthShift) & Content.widthMask;`
+   *                      shortcut if precondition `0 <= width <= 3` is met:
+   *                      `content |= width << Content.widthShift;`
+   */
+  WIDTH_MASK = 0xC00000,   // 3 << 22
+  WIDTH_SHIFT = 22
+}
+
+export const enum Attributes {
+  /**
+   * bit 1..8     blue in RGB, color in P256 and P16
+   */
+  BLUE_MASK = 0xFF,
+  BLUE_SHIFT = 0,
+  PCOLOR_MASK = 0xFF,
+  PCOLOR_SHIFT = 0,
+
+  /**
+   * bit 9..16    green in RGB
+   */
+  GREEN_MASK = 0xFF00,
+  GREEN_SHIFT = 8,
+
+  /**
+   * bit 17..24   red in RGB
+   */
+  RED_MASK = 0xFF0000,
+  RED_SHIFT = 16,
+
+  /**
+   * bit 25..26   color mode: DEFAULT (0) | P16 (1) | P256 (2) | RGB (3)
+   */
+  CM_MASK = 0x3000000,
+  CM_DEFAULT = 0,
+  CM_P16 = 0x1000000,
+  CM_P256 = 0x2000000,
+  CM_RGB = 0x3000000,
+
+  /**
+   * bit 1..24  RGB room
+   */
+  RGB_MASK = 0xFFFFFF
+}
+
+export const enum FgFlags {
+  /**
+   * bit 27..32
+   */
+  INVERSE = 0x4000000,
+  BOLD = 0x8000000,
+  UNDERLINE = 0x10000000,
+  BLINK = 0x20000000,
+  INVISIBLE = 0x40000000,
+  STRIKETHROUGH = 0x80000000,
+}
+
+export const enum BgFlags {
+  /**
+   * bit 27..32 (upper 2 unused)
+   */
+  ITALIC = 0x4000000,
+  DIM = 0x8000000,
+  HAS_EXTENDED = 0x10000000,
+  PROTECTED = 0x20000000,
+  OVERLINE = 0x40000000
+}
+
+export const enum ExtFlags {
+  /**
+   * bit 27..32 (upper 3 unused)
+   */
+  UNDERLINE_STYLE = 0x1C000000
+}
+
+export const enum UnderlineStyle {
+  NONE = 0,
+  SINGLE = 1,
+  DOUBLE = 2,
+  CURLY = 3,
+  DOTTED = 4,
+  DASHED = 5
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/Marker.ts b/web/public/node_modules/xterm/src/common/buffer/Marker.ts
new file mode 100644
index 000000000..96df6366c
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/Marker.ts
@@ -0,0 +1,43 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { disposeArray } from 'common/Lifecycle';
+import { IDisposable, IMarker } from 'common/Types';
+
+export class Marker implements IMarker {
+  private static _nextId = 1;
+
+  public isDisposed: boolean = false;
+  private readonly _disposables: IDisposable[] = [];
+
+  private readonly _id: number = Marker._nextId++;
+  public get id(): number { return this._id; }
+
+  private readonly _onDispose = this.register(new EventEmitter<void>());
+  public readonly onDispose = this._onDispose.event;
+
+  constructor(
+    public line: number
+  ) {
+  }
+
+  public dispose(): void {
+    if (this.isDisposed) {
+      return;
+    }
+    this.isDisposed = true;
+    this.line = -1;
+    // Emit before super.dispose such that dispose listeners get a change to react
+    this._onDispose.fire();
+    disposeArray(this._disposables);
+    this._disposables.length = 0;
+  }
+
+  public register<T extends IDisposable>(disposable: T): T {
+    this._disposables.push(disposable);
+    return disposable;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/buffer/Types.d.ts b/web/public/node_modules/xterm/src/common/buffer/Types.d.ts
new file mode 100644
index 000000000..78f01d55d
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/buffer/Types.d.ts
@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IAttributeData, ICircularList, IBufferLine, ICellData, IMarker, ICharset, IDisposable } from 'common/Types';
+import { IEvent } from 'common/EventEmitter';
+
+// BufferIndex denotes a position in the buffer: [rowIndex, colIndex]
+export type BufferIndex = [number, number];
+
+export interface IBuffer {
+  readonly lines: ICircularList<IBufferLine>;
+  ydisp: number;
+  ybase: number;
+  y: number;
+  x: number;
+  tabs: any;
+  scrollBottom: number;
+  scrollTop: number;
+  hasScrollback: boolean;
+  savedY: number;
+  savedX: number;
+  savedCharset: ICharset | undefined;
+  savedCurAttrData: IAttributeData;
+  isCursorInViewport: boolean;
+  markers: IMarker[];
+  translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol?: number, endCol?: number): string;
+  getWrappedRangeForLine(y: number): { first: number, last: number };
+  nextStop(x?: number): number;
+  prevStop(x?: number): number;
+  getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine;
+  getNullCell(attr?: IAttributeData): ICellData;
+  getWhitespaceCell(attr?: IAttributeData): ICellData;
+  addMarker(y: number): IMarker;
+  clearMarkers(y: number): void;
+  clearAllMarkers(): void;
+}
+
+export interface IBufferSet extends IDisposable {
+  alt: IBuffer;
+  normal: IBuffer;
+  active: IBuffer;
+
+  onBufferActivate: IEvent<{ activeBuffer: IBuffer, inactiveBuffer: IBuffer }>;
+
+  activateNormalBuffer(): void;
+  activateAltBuffer(fillAttr?: IAttributeData): void;
+  reset(): void;
+  resize(newCols: number, newRows: number): void;
+  setupTabStops(i?: number): void;
+}
diff --git a/web/public/node_modules/xterm/src/common/input/Keyboard.ts b/web/public/node_modules/xterm/src/common/input/Keyboard.ts
new file mode 100644
index 000000000..9420a974d
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/input/Keyboard.ts
@@ -0,0 +1,398 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ */
+
+import { IKeyboardEvent, IKeyboardResult, KeyboardResultType } from 'common/Types';
+import { C0 } from 'common/data/EscapeSequences';
+
+// reg + shift key mappings for digits and special chars
+const KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {
+  // digits 0-9
+  48: ['0', ')'],
+  49: ['1', '!'],
+  50: ['2', '@'],
+  51: ['3', '#'],
+  52: ['4', '$'],
+  53: ['5', '%'],
+  54: ['6', '^'],
+  55: ['7', '&'],
+  56: ['8', '*'],
+  57: ['9', '('],
+
+  // special chars
+  186: [';', ':'],
+  187: ['=', '+'],
+  188: [',', '<'],
+  189: ['-', '_'],
+  190: ['.', '>'],
+  191: ['/', '?'],
+  192: ['`', '~'],
+  219: ['[', '{'],
+  220: ['\\', '|'],
+  221: [']', '}'],
+  222: ['\'', '"']
+};
+
+export function evaluateKeyboardEvent(
+  ev: IKeyboardEvent,
+  applicationCursorMode: boolean,
+  isMac: boolean,
+  macOptionIsMeta: boolean
+): IKeyboardResult {
+  const result: IKeyboardResult = {
+    type: KeyboardResultType.SEND_KEY,
+    // Whether to cancel event propagation (NOTE: this may not be needed since the event is
+    // canceled at the end of keyDown
+    cancel: false,
+    // The new key even to emit
+    key: undefined
+  };
+  const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);
+  switch (ev.keyCode) {
+    case 0:
+      if (ev.key === 'UIKeyInputUpArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OA';
+        } else {
+          result.key = C0.ESC + '[A';
+        }
+      }
+      else if (ev.key === 'UIKeyInputLeftArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OD';
+        } else {
+          result.key = C0.ESC + '[D';
+        }
+      }
+      else if (ev.key === 'UIKeyInputRightArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OC';
+        } else {
+          result.key = C0.ESC + '[C';
+        }
+      }
+      else if (ev.key === 'UIKeyInputDownArrow') {
+        if (applicationCursorMode) {
+          result.key = C0.ESC + 'OB';
+        } else {
+          result.key = C0.ESC + '[B';
+        }
+      }
+      break;
+    case 8:
+      // backspace
+      if (ev.altKey) {
+        result.key = C0.ESC + C0.DEL; // \e ^?
+        break;
+      }
+      result.key = C0.DEL; // ^?
+      break;
+    case 9:
+      // tab
+      if (ev.shiftKey) {
+        result.key = C0.ESC + '[Z';
+        break;
+      }
+      result.key = C0.HT;
+      result.cancel = true;
+      break;
+    case 13:
+      // return/enter
+      result.key = ev.altKey ? C0.ESC + C0.CR : C0.CR;
+      result.cancel = true;
+      break;
+    case 27:
+      // escape
+      result.key = C0.ESC;
+      if (ev.altKey) {
+        result.key = C0.ESC + C0.ESC;
+      }
+      result.cancel = true;
+      break;
+    case 37:
+      // left-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';
+        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (result.key === C0.ESC + '[1;3D') {
+          result.key = C0.ESC + (isMac ? 'b' : '[1;5D');
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OD';
+      } else {
+        result.key = C0.ESC + '[D';
+      }
+      break;
+    case 39:
+      // right-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';
+        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (result.key === C0.ESC + '[1;3C') {
+          result.key = C0.ESC + (isMac ? 'f' : '[1;5C');
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OC';
+      } else {
+        result.key = C0.ESC + '[C';
+      }
+      break;
+    case 38:
+      // up-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';
+        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (!isMac && result.key === C0.ESC + '[1;3A') {
+          result.key = C0.ESC + '[1;5A';
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OA';
+      } else {
+        result.key = C0.ESC + '[A';
+      }
+      break;
+    case 40:
+      // down-arrow
+      if (ev.metaKey) {
+        break;
+      }
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';
+        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
+        // http://unix.stackexchange.com/a/108106
+        // macOS uses different escape sequences than linux
+        if (!isMac && result.key === C0.ESC + '[1;3B') {
+          result.key = C0.ESC + '[1;5B';
+        }
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OB';
+      } else {
+        result.key = C0.ESC + '[B';
+      }
+      break;
+    case 45:
+      // insert
+      if (!ev.shiftKey && !ev.ctrlKey) {
+        // <Ctrl> or <Shift> + <Insert> are used to
+        // copy-paste on some systems.
+        result.key = C0.ESC + '[2~';
+      }
+      break;
+    case 46:
+      // delete
+      if (modifiers) {
+        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[3~';
+      }
+      break;
+    case 36:
+      // home
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OH';
+      } else {
+        result.key = C0.ESC + '[H';
+      }
+      break;
+    case 35:
+      // end
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';
+      } else if (applicationCursorMode) {
+        result.key = C0.ESC + 'OF';
+      } else {
+        result.key = C0.ESC + '[F';
+      }
+      break;
+    case 33:
+      // page up
+      if (ev.shiftKey) {
+        result.type = KeyboardResultType.PAGE_UP;
+      } else if (ev.ctrlKey) {
+        result.key = C0.ESC + '[5;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[5~';
+      }
+      break;
+    case 34:
+      // page down
+      if (ev.shiftKey) {
+        result.type = KeyboardResultType.PAGE_DOWN;
+      } else if (ev.ctrlKey) {
+        result.key = C0.ESC + '[6;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[6~';
+      }
+      break;
+    case 112:
+      // F1-F12
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';
+      } else {
+        result.key = C0.ESC + 'OP';
+      }
+      break;
+    case 113:
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';
+      } else {
+        result.key = C0.ESC + 'OQ';
+      }
+      break;
+    case 114:
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';
+      } else {
+        result.key = C0.ESC + 'OR';
+      }
+      break;
+    case 115:
+      if (modifiers) {
+        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';
+      } else {
+        result.key = C0.ESC + 'OS';
+      }
+      break;
+    case 116:
+      if (modifiers) {
+        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[15~';
+      }
+      break;
+    case 117:
+      if (modifiers) {
+        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[17~';
+      }
+      break;
+    case 118:
+      if (modifiers) {
+        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[18~';
+      }
+      break;
+    case 119:
+      if (modifiers) {
+        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[19~';
+      }
+      break;
+    case 120:
+      if (modifiers) {
+        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[20~';
+      }
+      break;
+    case 121:
+      if (modifiers) {
+        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[21~';
+      }
+      break;
+    case 122:
+      if (modifiers) {
+        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[23~';
+      }
+      break;
+    case 123:
+      if (modifiers) {
+        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';
+      } else {
+        result.key = C0.ESC + '[24~';
+      }
+      break;
+    default:
+      // a-z and space
+      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
+        if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+          result.key = String.fromCharCode(ev.keyCode - 64);
+        } else if (ev.keyCode === 32) {
+          result.key = C0.NUL;
+        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
+          // escape, file sep, group sep, record sep, unit sep
+          result.key = String.fromCharCode(ev.keyCode - 51 + 27);
+        } else if (ev.keyCode === 56) {
+          result.key = C0.DEL;
+        } else if (ev.keyCode === 219) {
+          result.key = C0.ESC;
+        } else if (ev.keyCode === 220) {
+          result.key = C0.FS;
+        } else if (ev.keyCode === 221) {
+          result.key = C0.GS;
+        }
+      } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {
+        // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.
+        const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];
+        const key = keyMapping?.[!ev.shiftKey ? 0 : 1];
+        if (key) {
+          result.key = C0.ESC + key;
+        } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+          const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;
+          let keyString = String.fromCharCode(keyCode);
+          if (ev.shiftKey) {
+            keyString = keyString.toUpperCase();
+          }
+          result.key = C0.ESC + keyString;
+        } else if (ev.keyCode === 32) {
+          result.key = C0.ESC + (ev.ctrlKey ? C0.NUL : ' ');
+        } else if (ev.key === 'Dead' && ev.code.startsWith('Key')) {
+          // Reference: https://github.com/xtermjs/xterm.js/issues/3725
+          // Alt will produce a "dead key" (initate composition) with some
+          // of the letters in US layout (e.g. N/E/U).
+          // It's safe to match against Key* since no other `code` values begin with "Key".
+          // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code/code_values#code_values_on_mac
+          let keyString = ev.code.slice(3, 4);
+          if (!ev.shiftKey) {
+            keyString = keyString.toLowerCase();
+          }
+          result.key = C0.ESC + keyString;
+          result.cancel = true;
+        }
+      } else if (isMac && !ev.altKey && !ev.ctrlKey && !ev.shiftKey && ev.metaKey) {
+        if (ev.keyCode === 65) { // cmd + a
+          result.type = KeyboardResultType.SELECT_ALL;
+        }
+      } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {
+        // Include only keys that that result in a _single_ character; don't include num lock,
+        // volume up, etc.
+        result.key = ev.key;
+      } else if (ev.key && ev.ctrlKey) {
+        if (ev.key === '_') { // ^_
+          result.key = C0.US;
+        }
+        if (ev.key === '@') { // ^ + shift + 2 = ^ + @
+          result.key = C0.NUL;
+        }
+      }
+      break;
+  }
+
+  return result;
+}
diff --git a/web/public/node_modules/xterm/src/common/input/TextDecoder.ts b/web/public/node_modules/xterm/src/common/input/TextDecoder.ts
new file mode 100644
index 000000000..7ec9c7cd2
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/input/TextDecoder.ts
@@ -0,0 +1,346 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Polyfill - Convert UTF32 codepoint into JS string.
+ * Note: The built-in String.fromCodePoint happens to be much slower
+ *       due to additional sanity checks. We can avoid them since
+ *       we always operate on legal UTF32 (granted by the input decoders)
+ *       and use this faster version instead.
+ */
+export function stringFromCodePoint(codePoint: number): string {
+  if (codePoint > 0xFFFF) {
+    codePoint -= 0x10000;
+    return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);
+  }
+  return String.fromCharCode(codePoint);
+}
+
+/**
+ * Convert UTF32 char codes into JS string.
+ * Basically the same as `stringFromCodePoint` but for multiple codepoints
+ * in a loop (which is a lot faster).
+ */
+export function utf32ToString(data: Uint32Array, start: number = 0, end: number = data.length): string {
+  let result = '';
+  for (let i = start; i < end; ++i) {
+    let codepoint = data[i];
+    if (codepoint > 0xFFFF) {
+      // JS strings are encoded as UTF16, thus a non BMP codepoint gets converted into a surrogate
+      // pair conversion rules:
+      //  - subtract 0x10000 from code point, leaving a 20 bit number
+      //  - add high 10 bits to 0xD800  --> first surrogate
+      //  - add low 10 bits to 0xDC00   --> second surrogate
+      codepoint -= 0x10000;
+      result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);
+    } else {
+      result += String.fromCharCode(codepoint);
+    }
+  }
+  return result;
+}
+
+/**
+ * StringToUtf32 - decodes UTF16 sequences into UTF32 codepoints.
+ * To keep the decoder in line with JS strings it handles single surrogates as UCS2.
+ */
+export class StringToUtf32 {
+  private _interim: number = 0;
+
+  /**
+   * Clears interim and resets decoder to clean state.
+   */
+  public clear(): void {
+    this._interim = 0;
+  }
+
+  /**
+   * Decode JS string to UTF32 codepoints.
+   * The methods assumes stream input and will store partly transmitted
+   * surrogate pairs and decode them with the next data chunk.
+   * Note: The method does no bound checks for target, therefore make sure
+   * the provided input data does not exceed the size of `target`.
+   * Returns the number of written codepoints in `target`.
+   */
+  public decode(input: string, target: Uint32Array): number {
+    const length = input.length;
+
+    if (!length) {
+      return 0;
+    }
+
+    let size = 0;
+    let startPos = 0;
+
+    // handle leftover surrogate high
+    if (this._interim) {
+      const second = input.charCodeAt(startPos++);
+      if (0xDC00 <= second && second <= 0xDFFF) {
+        target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+      } else {
+        // illegal codepoint (USC2 handling)
+        target[size++] = this._interim;
+        target[size++] = second;
+      }
+      this._interim = 0;
+    }
+
+    for (let i = startPos; i < length; ++i) {
+      const code = input.charCodeAt(i);
+      // surrogate pair first
+      if (0xD800 <= code && code <= 0xDBFF) {
+        if (++i >= length) {
+          this._interim = code;
+          return size;
+        }
+        const second = input.charCodeAt(i);
+        if (0xDC00 <= second && second <= 0xDFFF) {
+          target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+        } else {
+          // illegal codepoint (USC2 handling)
+          target[size++] = code;
+          target[size++] = second;
+        }
+        continue;
+      }
+      if (code === 0xFEFF) {
+        // BOM
+        continue;
+      }
+      target[size++] = code;
+    }
+    return size;
+  }
+}
+
+/**
+ * Utf8Decoder - decodes UTF8 byte sequences into UTF32 codepoints.
+ */
+export class Utf8ToUtf32 {
+  public interim: Uint8Array = new Uint8Array(3);
+
+  /**
+   * Clears interim bytes and resets decoder to clean state.
+   */
+  public clear(): void {
+    this.interim.fill(0);
+  }
+
+  /**
+   * Decodes UTF8 byte sequences in `input` to UTF32 codepoints in `target`.
+   * The methods assumes stream input and will store partly transmitted bytes
+   * and decode them with the next data chunk.
+   * Note: The method does no bound checks for target, therefore make sure
+   * the provided data chunk does not exceed the size of `target`.
+   * Returns the number of written codepoints in `target`.
+   */
+  public decode(input: Uint8Array, target: Uint32Array): number {
+    const length = input.length;
+
+    if (!length) {
+      return 0;
+    }
+
+    let size = 0;
+    let byte1: number;
+    let byte2: number;
+    let byte3: number;
+    let byte4: number;
+    let codepoint = 0;
+    let startPos = 0;
+
+    // handle leftover bytes
+    if (this.interim[0]) {
+      let discardInterim = false;
+      let cp = this.interim[0];
+      cp &= ((((cp & 0xE0) === 0xC0)) ? 0x1F : (((cp & 0xF0) === 0xE0)) ? 0x0F : 0x07);
+      let pos = 0;
+      let tmp: number;
+      while ((tmp = this.interim[++pos] & 0x3F) && pos < 4) {
+        cp <<= 6;
+        cp |= tmp;
+      }
+      // missing bytes - read ahead from input
+      const type = (((this.interim[0] & 0xE0) === 0xC0)) ? 2 : (((this.interim[0] & 0xF0) === 0xE0)) ? 3 : 4;
+      const missing = type - pos;
+      while (startPos < missing) {
+        if (startPos >= length) {
+          return 0;
+        }
+        tmp = input[startPos++];
+        if ((tmp & 0xC0) !== 0x80) {
+          // wrong continuation, discard interim bytes completely
+          startPos--;
+          discardInterim = true;
+          break;
+        } else {
+          // need to save so we can continue short inputs in next call
+          this.interim[pos++] = tmp;
+          cp <<= 6;
+          cp |= tmp & 0x3F;
+        }
+      }
+      if (!discardInterim) {
+        // final test is type dependent
+        if (type === 2) {
+          if (cp < 0x80) {
+            // wrong starter byte
+            startPos--;
+          } else {
+            target[size++] = cp;
+          }
+        } else if (type === 3) {
+          if (cp < 0x0800 || (cp >= 0xD800 && cp <= 0xDFFF) || cp === 0xFEFF) {
+            // illegal codepoint or BOM
+          } else {
+            target[size++] = cp;
+          }
+        } else {
+          if (cp < 0x010000 || cp > 0x10FFFF) {
+            // illegal codepoint
+          } else {
+            target[size++] = cp;
+          }
+        }
+      }
+      this.interim.fill(0);
+    }
+
+    // loop through input
+    const fourStop = length - 4;
+    let i = startPos;
+    while (i < length) {
+      /**
+       * ASCII shortcut with loop unrolled to 4 consecutive ASCII chars.
+       * This is a compromise between speed gain for ASCII
+       * and penalty for non ASCII:
+       * For best ASCII performance the char should be stored directly into target,
+       * but even a single attempt to write to target and compare afterwards
+       * penalizes non ASCII really bad (-50%), thus we load the char into byteX first,
+       * which reduces ASCII performance by ~15%.
+       * This trial for ASCII reduces non ASCII performance by ~10% which seems acceptible
+       * compared to the gains.
+       * Note that this optimization only takes place for 4 consecutive ASCII chars,
+       * for any shorter it bails out. Worst case - all 4 bytes being read but
+       * thrown away due to the last being a non ASCII char (-10% performance).
+       */
+      while (i < fourStop
+        && !((byte1 = input[i]) & 0x80)
+        && !((byte2 = input[i + 1]) & 0x80)
+        && !((byte3 = input[i + 2]) & 0x80)
+        && !((byte4 = input[i + 3]) & 0x80))
+      {
+        target[size++] = byte1;
+        target[size++] = byte2;
+        target[size++] = byte3;
+        target[size++] = byte4;
+        i += 4;
+      }
+
+      // reread byte1
+      byte1 = input[i++];
+
+      // 1 byte
+      if (byte1 < 0x80) {
+        target[size++] = byte1;
+
+        // 2 bytes
+      } else if ((byte1 & 0xE0) === 0xC0) {
+        if (i >= length) {
+          this.interim[0] = byte1;
+          return size;
+        }
+        byte2 = input[i++];
+        if ((byte2 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        codepoint = (byte1 & 0x1F) << 6 | (byte2 & 0x3F);
+        if (codepoint < 0x80) {
+          // wrong starter byte
+          i--;
+          continue;
+        }
+        target[size++] = codepoint;
+
+        // 3 bytes
+      } else if ((byte1 & 0xF0) === 0xE0) {
+        if (i >= length) {
+          this.interim[0] = byte1;
+          return size;
+        }
+        byte2 = input[i++];
+        if ((byte2 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        if (i >= length) {
+          this.interim[0] = byte1;
+          this.interim[1] = byte2;
+          return size;
+        }
+        byte3 = input[i++];
+        if ((byte3 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        codepoint = (byte1 & 0x0F) << 12 | (byte2 & 0x3F) << 6 | (byte3 & 0x3F);
+        if (codepoint < 0x0800 || (codepoint >= 0xD800 && codepoint <= 0xDFFF) || codepoint === 0xFEFF) {
+          // illegal codepoint or BOM, no i-- here
+          continue;
+        }
+        target[size++] = codepoint;
+
+        // 4 bytes
+      } else if ((byte1 & 0xF8) === 0xF0) {
+        if (i >= length) {
+          this.interim[0] = byte1;
+          return size;
+        }
+        byte2 = input[i++];
+        if ((byte2 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        if (i >= length) {
+          this.interim[0] = byte1;
+          this.interim[1] = byte2;
+          return size;
+        }
+        byte3 = input[i++];
+        if ((byte3 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        if (i >= length) {
+          this.interim[0] = byte1;
+          this.interim[1] = byte2;
+          this.interim[2] = byte3;
+          return size;
+        }
+        byte4 = input[i++];
+        if ((byte4 & 0xC0) !== 0x80) {
+          // wrong continuation
+          i--;
+          continue;
+        }
+        codepoint = (byte1 & 0x07) << 18 | (byte2 & 0x3F) << 12 | (byte3 & 0x3F) << 6 | (byte4 & 0x3F);
+        if (codepoint < 0x010000 || codepoint > 0x10FFFF) {
+          // illegal codepoint, no i-- here
+          continue;
+        }
+        target[size++] = codepoint;
+      } else {
+        // illegal byte, just skip
+      }
+    }
+    return size;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/input/UnicodeV6.ts b/web/public/node_modules/xterm/src/common/input/UnicodeV6.ts
new file mode 100644
index 000000000..bf63a18b2
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/input/UnicodeV6.ts
@@ -0,0 +1,132 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IUnicodeVersionProvider } from 'common/services/Services';
+
+type CharWidth = 0 | 1 | 2;
+
+const BMP_COMBINING = [
+  [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+  [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+  [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+  [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+  [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+  [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+  [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+  [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+  [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+  [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+  [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+  [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+  [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+  [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+  [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+  [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+  [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+  [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+  [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+  [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+  [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+  [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+  [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+  [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+  [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+  [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+  [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+  [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+  [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+  [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+  [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+  [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+  [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+  [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+  [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+  [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+  [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+  [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+  [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+  [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+  [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+  [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+  [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
+];
+const HIGH_COMBINING = [
+  [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+  [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+  [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+  [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+  [0xE0100, 0xE01EF]
+];
+
+// BMP lookup table, lazy initialized during first addon loading
+let table: Uint8Array;
+
+function bisearch(ucs: number, data: number[][]): boolean {
+  let min = 0;
+  let max = data.length - 1;
+  let mid;
+  if (ucs < data[0][0] || ucs > data[max][1]) {
+    return false;
+  }
+  while (max >= min) {
+    mid = (min + max) >> 1;
+    if (ucs > data[mid][1]) {
+      min = mid + 1;
+    } else if (ucs < data[mid][0]) {
+      max = mid - 1;
+    } else {
+      return true;
+    }
+  }
+  return false;
+}
+
+export class UnicodeV6 implements IUnicodeVersionProvider {
+  public readonly version = '6';
+
+  constructor() {
+    // init lookup table once
+    if (!table) {
+      table = new Uint8Array(65536);
+      table.fill(1);
+      table[0] = 0;
+      // control chars
+      table.fill(0, 1, 32);
+      table.fill(0, 0x7f, 0xa0);
+
+      // apply wide char rules first
+      // wide chars
+      table.fill(2, 0x1100, 0x1160);
+      table[0x2329] = 2;
+      table[0x232a] = 2;
+      table.fill(2, 0x2e80, 0xa4d0);
+      table[0x303f] = 1;  // wrongly in last line
+
+      table.fill(2, 0xac00, 0xd7a4);
+      table.fill(2, 0xf900, 0xfb00);
+      table.fill(2, 0xfe10, 0xfe1a);
+      table.fill(2, 0xfe30, 0xfe70);
+      table.fill(2, 0xff00, 0xff61);
+      table.fill(2, 0xffe0, 0xffe7);
+
+      // apply combining last to ensure we overwrite
+      // wrongly wide set chars:
+      //    the original algo evals combining first and falls
+      //    through to wide check so we simply do here the opposite
+      // combining 0
+      for (let r = 0; r < BMP_COMBINING.length; ++r) {
+        table.fill(0, BMP_COMBINING[r][0], BMP_COMBINING[r][1] + 1);
+      }
+    }
+  }
+
+  public wcwidth(num: number): CharWidth {
+    if (num < 32) return 0;
+    if (num < 127) return 1;
+    if (num < 65536) return table[num] as CharWidth;
+    if (bisearch(num, HIGH_COMBINING)) return 0;
+    if ((num >= 0x20000 && num <= 0x2fffd) || (num >= 0x30000 && num <= 0x3fffd)) return 2;
+    return 1;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/input/WriteBuffer.ts b/web/public/node_modules/xterm/src/common/input/WriteBuffer.ts
new file mode 100644
index 000000000..ac0730cbd
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/input/WriteBuffer.ts
@@ -0,0 +1,246 @@
+
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+
+declare const setTimeout: (handler: () => void, timeout?: number) => void;
+
+/**
+ * Safety watermark to avoid memory exhaustion and browser engine crash on fast data input.
+ * Enable flow control to avoid this limit and make sure that your backend correctly
+ * propagates this to the underlying pty. (see docs for further instructions)
+ * Since this limit is meant as a safety parachute to prevent browser crashs,
+ * it is set to a very high number. Typically xterm.js gets unresponsive with
+ * a 100 times lower number (>500 kB).
+ */
+const DISCARD_WATERMARK = 50000000; // ~50 MB
+
+/**
+ * The max number of ms to spend on writes before allowing the renderer to
+ * catch up with a 0ms setTimeout. A value of < 33 to keep us close to
+ * 30fps, and a value of < 16 to try to run at 60fps. Of course, the real FPS
+ * depends on the time it takes for the renderer to draw the frame.
+ */
+const WRITE_TIMEOUT_MS = 12;
+
+/**
+ * Threshold of max held chunks in the write buffer, that were already processed.
+ * This is a tradeoff between extensive write buffer shifts (bad runtime) and high
+ * memory consumption by data thats not used anymore.
+ */
+const WRITE_BUFFER_LENGTH_THRESHOLD = 50;
+
+export class WriteBuffer extends Disposable {
+  private _writeBuffer: (string | Uint8Array)[] = [];
+  private _callbacks: ((() => void) | undefined)[] = [];
+  private _pendingData = 0;
+  private _bufferOffset = 0;
+  private _isSyncWriting = false;
+  private _syncCalls = 0;
+  private _didUserInput = false;
+
+  private readonly _onWriteParsed = this.register(new EventEmitter<void>());
+  public readonly onWriteParsed = this._onWriteParsed.event;
+
+  constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise<boolean>) {
+    super();
+  }
+
+  public handleUserInput(): void {
+    this._didUserInput = true;
+  }
+
+  /**
+   * @deprecated Unreliable, to be removed soon.
+   */
+  public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void {
+    // stop writeSync recursions with maxSubsequentCalls argument
+    // This is dangerous to use as it will lose the current data chunk
+    // and return immediately.
+    if (maxSubsequentCalls !== undefined && this._syncCalls > maxSubsequentCalls) {
+      // comment next line if a whole loop block should only contain x `writeSync` calls
+      // (total flat vs. deep nested limit)
+      this._syncCalls = 0;
+      return;
+    }
+    // append chunk to buffer
+    this._pendingData += data.length;
+    this._writeBuffer.push(data);
+    this._callbacks.push(undefined);
+
+    // increase recursion counter
+    this._syncCalls++;
+    // exit early if another writeSync loop is active
+    if (this._isSyncWriting) {
+      return;
+    }
+    this._isSyncWriting = true;
+
+    // force sync processing on pending data chunks to avoid in-band data scrambling
+    // does the same as innerWrite but without event loop
+    // we have to do it here as single loop steps to not corrupt loop subject
+    // by another writeSync call triggered from _action
+    let chunk: string | Uint8Array | undefined;
+    while (chunk = this._writeBuffer.shift()) {
+      this._action(chunk);
+      const cb = this._callbacks.shift();
+      if (cb) cb();
+    }
+    // reset to avoid reprocessing of chunks with scheduled innerWrite call
+    // stopping scheduled innerWrite by offset > length condition
+    this._pendingData = 0;
+    this._bufferOffset = 0x7FFFFFFF;
+
+    // allow another writeSync to loop
+    this._isSyncWriting = false;
+    this._syncCalls = 0;
+  }
+
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    if (this._pendingData > DISCARD_WATERMARK) {
+      throw new Error('write data discarded, use flow control to avoid losing data');
+    }
+
+    // schedule chunk processing for next event loop run
+    if (!this._writeBuffer.length) {
+      this._bufferOffset = 0;
+
+      // If this is the first write call after the user has done some input,
+      // parse it immediately to minimize input latency,
+      // otherwise schedule for the next event
+      if (this._didUserInput) {
+        this._didUserInput = false;
+        this._pendingData += data.length;
+        this._writeBuffer.push(data);
+        this._callbacks.push(callback);
+        this._innerWrite();
+        return;
+      }
+
+      setTimeout(() => this._innerWrite());
+    }
+
+    this._pendingData += data.length;
+    this._writeBuffer.push(data);
+    this._callbacks.push(callback);
+  }
+
+  /**
+   * Inner write call, that enters the sliced chunk processing by timing.
+   *
+   * `lastTime` indicates, when the last _innerWrite call had started.
+   * It is used to aggregate async handler execution under a timeout constraint
+   * effectively lowering the redrawing needs, schematically:
+   *
+   *   macroTask _innerWrite:
+   *     if (Date.now() - (lastTime | 0) < WRITE_TIMEOUT_MS):
+   *        schedule microTask _innerWrite(lastTime)
+   *     else:
+   *        schedule macroTask _innerWrite(0)
+   *
+   *   overall execution order on task queues:
+   *
+   *   macrotasks:  [...]  -->  _innerWrite(0)  -->  [...]  -->  screenUpdate  -->  [...]
+   *         m  t:                    |
+   *         i  a:                  [...]
+   *         c  s:                    |
+   *         r  k:              while < timeout:
+   *         o  s:                _innerWrite(timeout)
+   *
+   * `promiseResult` depicts the promise resolve value of an async handler.
+   * This value gets carried forward through all saved stack states of the
+   * paused parser for proper continuation.
+   *
+   * Note, for pure sync code `lastTime` and `promiseResult` have no meaning.
+   */
+  protected _innerWrite(lastTime: number = 0, promiseResult: boolean = true): void {
+    const startTime = lastTime || Date.now();
+    while (this._writeBuffer.length > this._bufferOffset) {
+      const data = this._writeBuffer[this._bufferOffset];
+      const result = this._action(data, promiseResult);
+      if (result) {
+        /**
+         * If we get a promise as return value, we re-schedule the continuation
+         * as thenable on the promise and exit right away.
+         *
+         * The exit here means, that we block input processing at the current active chunk,
+         * the exact execution position within the chunk is preserved by the saved
+         * stack content in InputHandler and EscapeSequenceParser.
+         *
+         * Resuming happens automatically from that saved stack state.
+         * Also the resolved promise value is passed along the callstack to
+         * `EscapeSequenceParser.parse` to correctly resume the stopped handler loop.
+         *
+         * Exceptions on async handlers will be logged to console async, but do not interrupt
+         * the input processing (continues with next handler at the current input position).
+         */
+
+        /**
+         * If a promise takes long to resolve, we should schedule continuation behind setTimeout.
+         * This might already be too late, if our .then enters really late (executor + prev thens
+         * took very long). This cannot be solved here for the handler itself (it is the handlers
+         * responsibility to slice hard work), but we can at least schedule a screen update as we
+         * gain control.
+         */
+        const continuation: (r: boolean) => void = (r: boolean) => Date.now() - startTime >= WRITE_TIMEOUT_MS
+          ? setTimeout(() => this._innerWrite(0, r))
+          : this._innerWrite(startTime, r);
+
+        /**
+         * Optimization considerations:
+         * The continuation above favors FPS over throughput by eval'ing `startTime` on resolve.
+         * This might schedule too many screen updates with bad throughput drops (in case a slow
+         * resolving handler sliced its work properly behind setTimeout calls). We cannot spot
+         * this condition here, also the renderer has no way to spot nonsense updates either.
+         * FIXME: A proper fix for this would track the FPS at the renderer entry level separately.
+         *
+         * If favoring of FPS shows bad throughtput impact, use the following instead. It favors
+         * throughput by eval'ing `startTime` upfront pulling at least one more chunk into the
+         * current microtask queue (executed before setTimeout).
+         */
+        // const continuation: (r: boolean) => void = Date.now() - startTime >= WRITE_TIMEOUT_MS
+        //   ? r => setTimeout(() => this._innerWrite(0, r))
+        //   : r => this._innerWrite(startTime, r);
+
+        // Handle exceptions synchronously to current band position, idea:
+        // 1. spawn a single microtask which we allow to throw hard
+        // 2. spawn a promise immediately resolving to `true`
+        // (executed on the same queue, thus properly aligned before continuation happens)
+        result.catch(err => {
+          queueMicrotask(() => {throw err;});
+          return Promise.resolve(false);
+        }).then(continuation);
+        return;
+      }
+
+      const cb = this._callbacks[this._bufferOffset];
+      if (cb) cb();
+      this._bufferOffset++;
+      this._pendingData -= data.length;
+
+      if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {
+        break;
+      }
+    }
+    if (this._writeBuffer.length > this._bufferOffset) {
+      // Allow renderer to catch up before processing the next batch
+      // trim already processed chunks if we are above threshold
+      if (this._bufferOffset > WRITE_BUFFER_LENGTH_THRESHOLD) {
+        this._writeBuffer = this._writeBuffer.slice(this._bufferOffset);
+        this._callbacks = this._callbacks.slice(this._bufferOffset);
+        this._bufferOffset = 0;
+      }
+      setTimeout(() => this._innerWrite());
+    } else {
+      this._writeBuffer.length = 0;
+      this._callbacks.length = 0;
+      this._pendingData = 0;
+      this._bufferOffset = 0;
+    }
+    this._onWriteParsed.fire();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/input/XParseColor.ts b/web/public/node_modules/xterm/src/common/input/XParseColor.ts
new file mode 100644
index 000000000..fd23ec4bf
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/input/XParseColor.ts
@@ -0,0 +1,80 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+
+// 'rgb:' rule - matching: r/g/b | rr/gg/bb | rrr/ggg/bbb | rrrr/gggg/bbbb (hex digits)
+const RGB_REX = /^([\da-f])\/([\da-f])\/([\da-f])$|^([\da-f]{2})\/([\da-f]{2})\/([\da-f]{2})$|^([\da-f]{3})\/([\da-f]{3})\/([\da-f]{3})$|^([\da-f]{4})\/([\da-f]{4})\/([\da-f]{4})$/;
+// '#...' rule - matching any hex digits
+const HASH_REX = /^[\da-f]+$/;
+
+/**
+ * Parse color spec to RGB values (8 bit per channel).
+ * See `man xparsecolor` for details about certain format specifications.
+ *
+ * Supported formats:
+ * - rgb:<red>/<green>/<blue> with <red>, <green>, <blue> in h | hh | hhh | hhhh
+ * - #RGB, #RRGGBB, #RRRGGGBBB, #RRRRGGGGBBBB
+ *
+ * All other formats like rgbi: or device-independent string specifications
+ * with float numbering are not supported.
+ */
+export function parseColor(data: string): [number, number, number] | undefined {
+  if (!data) return;
+  // also handle uppercases
+  let low = data.toLowerCase();
+  if (low.indexOf('rgb:') === 0) {
+    // 'rgb:' specifier
+    low = low.slice(4);
+    const m = RGB_REX.exec(low);
+    if (m) {
+      const base = m[1] ? 15 : m[4] ? 255 : m[7] ? 4095 : 65535;
+      return [
+        Math.round(parseInt(m[1] || m[4] || m[7] || m[10], 16) / base * 255),
+        Math.round(parseInt(m[2] || m[5] || m[8] || m[11], 16) / base * 255),
+        Math.round(parseInt(m[3] || m[6] || m[9] || m[12], 16) / base * 255)
+      ];
+    }
+  } else if (low.indexOf('#') === 0) {
+    // '#' specifier
+    low = low.slice(1);
+    if (HASH_REX.exec(low) && [3, 6, 9, 12].includes(low.length)) {
+      const adv = low.length / 3;
+      const result: [number, number, number] = [0, 0, 0];
+      for (let i = 0; i < 3; ++i) {
+        const c = parseInt(low.slice(adv * i, adv * i + adv), 16);
+        result[i] = adv === 1 ? c << 4 : adv === 2 ? c : adv === 3 ? c >> 4 : c >> 8;
+      }
+      return result;
+    }
+  }
+
+  // Named colors are currently not supported due to the large addition to the xterm.js bundle size
+  // they would add. In order to support named colors, we would need some way of optionally loading
+  // additional payloads so startup/download time is not bloated (see #3530).
+}
+
+// pad hex output to requested bit width
+function pad(n: number, bits: number): string {
+  const s = n.toString(16);
+  const s2 = s.length < 2 ? '0' + s : s;
+  switch (bits) {
+    case 4:
+      return s[0];
+    case 8:
+      return s2;
+    case 12:
+      return (s2 + s2).slice(0, 3);
+    default:
+      return s2 + s2;
+  }
+}
+
+/**
+ * Convert a given color to rgb:../../.. string of `bits` depth.
+ */
+export function toRgbString(color: [number, number, number], bits: number = 16): string {
+  const [r, g, b] = color;
+  return `rgb:${pad(r, bits)}/${pad(g, bits)}/${pad(b, bits)}`;
+}
diff --git a/web/public/node_modules/xterm/src/common/parser/Constants.ts b/web/public/node_modules/xterm/src/common/parser/Constants.ts
new file mode 100644
index 000000000..7fe24f34f
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/parser/Constants.ts
@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+/**
+ * Internal states of EscapeSequenceParser.
+ */
+export const enum ParserState {
+  GROUND = 0,
+  ESCAPE = 1,
+  ESCAPE_INTERMEDIATE = 2,
+  CSI_ENTRY = 3,
+  CSI_PARAM = 4,
+  CSI_INTERMEDIATE = 5,
+  CSI_IGNORE = 6,
+  SOS_PM_APC_STRING = 7,
+  OSC_STRING = 8,
+  DCS_ENTRY = 9,
+  DCS_PARAM = 10,
+  DCS_IGNORE = 11,
+  DCS_INTERMEDIATE = 12,
+  DCS_PASSTHROUGH = 13
+}
+
+/**
+ * Internal actions of EscapeSequenceParser.
+ */
+export const enum ParserAction {
+  IGNORE = 0,
+  ERROR = 1,
+  PRINT = 2,
+  EXECUTE = 3,
+  OSC_START = 4,
+  OSC_PUT = 5,
+  OSC_END = 6,
+  CSI_DISPATCH = 7,
+  PARAM = 8,
+  COLLECT = 9,
+  ESC_DISPATCH = 10,
+  CLEAR = 11,
+  DCS_HOOK = 12,
+  DCS_PUT = 13,
+  DCS_UNHOOK = 14
+}
+
+/**
+ * Internal states of OscParser.
+ */
+export const enum OscState {
+  START = 0,
+  ID = 1,
+  PAYLOAD = 2,
+  ABORT = 3
+}
+
+// payload limit for OSC and DCS
+export const PAYLOAD_LIMIT = 10000000;
diff --git a/web/public/node_modules/xterm/src/common/parser/DcsParser.ts b/web/public/node_modules/xterm/src/common/parser/DcsParser.ts
new file mode 100644
index 000000000..b66524bae
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/parser/DcsParser.ts
@@ -0,0 +1,192 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType, ISubParserStackState } from 'common/parser/Types';
+import { utf32ToString } from 'common/input/TextDecoder';
+import { Params } from 'common/parser/Params';
+import { PAYLOAD_LIMIT } from 'common/parser/Constants';
+
+const EMPTY_HANDLERS: IDcsHandler[] = [];
+
+export class DcsParser implements IDcsParser {
+  private _handlers: IHandlerCollection<IDcsHandler> = Object.create(null);
+  private _active: IDcsHandler[] = EMPTY_HANDLERS;
+  private _ident: number = 0;
+  private _handlerFb: DcsFallbackHandlerType = () => { };
+  private _stack: ISubParserStackState = {
+    paused: false,
+    loopPosition: 0,
+    fallThrough: false
+  };
+
+  public dispose(): void {
+    this._handlers = Object.create(null);
+    this._handlerFb = () => { };
+    this._active = EMPTY_HANDLERS;
+  }
+
+  public registerHandler(ident: number, handler: IDcsHandler): IDisposable {
+    if (this._handlers[ident] === undefined) {
+      this._handlers[ident] = [];
+    }
+    const handlerList = this._handlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+
+  public clearHandler(ident: number): void {
+    if (this._handlers[ident]) delete this._handlers[ident];
+  }
+
+  public setHandlerFallback(handler: DcsFallbackHandlerType): void {
+    this._handlerFb = handler;
+  }
+
+  public reset(): void {
+    // force cleanup leftover handlers
+    if (this._active.length) {
+      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {
+        this._active[j].unhook(false);
+      }
+    }
+    this._stack.paused = false;
+    this._active = EMPTY_HANDLERS;
+    this._ident = 0;
+  }
+
+  public hook(ident: number, params: IParams): void {
+    // always reset leftover handlers
+    this.reset();
+    this._ident = ident;
+    this._active = this._handlers[ident] || EMPTY_HANDLERS;
+    if (!this._active.length) {
+      this._handlerFb(this._ident, 'HOOK', params);
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].hook(params);
+      }
+    }
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (!this._active.length) {
+      this._handlerFb(this._ident, 'PUT', utf32ToString(data, start, end));
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].put(data, start, end);
+      }
+    }
+  }
+
+  public unhook(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {
+    if (!this._active.length) {
+      this._handlerFb(this._ident, 'UNHOOK', success);
+    } else {
+      let handlerResult: boolean | Promise<boolean> = false;
+      let j = this._active.length - 1;
+      let fallThrough = false;
+      if (this._stack.paused) {
+        j = this._stack.loopPosition - 1;
+        handlerResult = promiseResult;
+        fallThrough = this._stack.fallThrough;
+        this._stack.paused = false;
+      }
+      if (!fallThrough && handlerResult === false) {
+        for (; j >= 0; j--) {
+          handlerResult = this._active[j].unhook(success);
+          if (handlerResult === true) {
+            break;
+          } else if (handlerResult instanceof Promise) {
+            this._stack.paused = true;
+            this._stack.loopPosition = j;
+            this._stack.fallThrough = false;
+            return handlerResult;
+          }
+        }
+        j--;
+      }
+      // cleanup left over handlers (fallThrough for async)
+      for (; j >= 0; j--) {
+        handlerResult = this._active[j].unhook(false);
+        if (handlerResult instanceof Promise) {
+          this._stack.paused = true;
+          this._stack.loopPosition = j;
+          this._stack.fallThrough = true;
+          return handlerResult;
+        }
+      }
+    }
+    this._active = EMPTY_HANDLERS;
+    this._ident = 0;
+  }
+}
+
+// predefine empty params as [0] (ZDM)
+const EMPTY_PARAMS = new Params();
+EMPTY_PARAMS.addParam(0);
+
+/**
+ * Convenient class to create a DCS handler from a single callback function.
+ * Note: The payload is currently limited to 50 MB (hardcoded).
+ */
+export class DcsHandler implements IDcsHandler {
+  private _data = '';
+  private _params: IParams = EMPTY_PARAMS;
+  private _hitLimit: boolean = false;
+
+  constructor(private _handler: (data: string, params: IParams) => boolean | Promise<boolean>) { }
+
+  public hook(params: IParams): void {
+    // since we need to preserve params until `unhook`, we have to clone it
+    // (only borrowed from parser and spans multiple parser states)
+    // perf optimization:
+    // clone only, if we have non empty params, otherwise stick with default
+    this._params = (params.length > 1 || params.params[0]) ? params.clone() : EMPTY_PARAMS;
+    this._data = '';
+    this._hitLimit = false;
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._hitLimit) {
+      return;
+    }
+    this._data += utf32ToString(data, start, end);
+    if (this._data.length > PAYLOAD_LIMIT) {
+      this._data = '';
+      this._hitLimit = true;
+    }
+  }
+
+  public unhook(success: boolean): boolean | Promise<boolean> {
+    let ret: boolean | Promise<boolean> = false;
+    if (this._hitLimit) {
+      ret = false;
+    } else if (success) {
+      ret = this._handler(this._data, this._params);
+      if (ret instanceof Promise) {
+        // need to hold data and params until `ret` got resolved
+        // dont care for errors, data will be freed anyway on next start
+        return ret.then(res => {
+          this._params = EMPTY_PARAMS;
+          this._data = '';
+          this._hitLimit = false;
+          return res;
+        });
+      }
+    }
+    this._params = EMPTY_PARAMS;
+    this._data = '';
+    this._hitLimit = false;
+    return ret;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/parser/EscapeSequenceParser.ts b/web/public/node_modules/xterm/src/common/parser/EscapeSequenceParser.ts
new file mode 100644
index 000000000..de2063224
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/parser/EscapeSequenceParser.ts
@@ -0,0 +1,792 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType, IParserStackState, ParserStackType, ResumableHandlersType } from 'common/parser/Types';
+import { ParserState, ParserAction } from 'common/parser/Constants';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IDisposable } from 'common/Types';
+import { Params } from 'common/parser/Params';
+import { OscParser } from 'common/parser/OscParser';
+import { DcsParser } from 'common/parser/DcsParser';
+
+/**
+ * Table values are generated like this:
+ *    index:  currentState << TableValue.INDEX_STATE_SHIFT | charCode
+ *    value:  action << TableValue.TRANSITION_ACTION_SHIFT | nextState
+ */
+const enum TableAccess {
+  TRANSITION_ACTION_SHIFT = 4,
+  TRANSITION_STATE_MASK = 15,
+  INDEX_STATE_SHIFT = 8
+}
+
+/**
+ * Transition table for EscapeSequenceParser.
+ */
+export class TransitionTable {
+  public table: Uint8Array;
+
+  constructor(length: number) {
+    this.table = new Uint8Array(length);
+  }
+
+  /**
+   * Set default transition.
+   * @param action default action
+   * @param next default next state
+   */
+  public setDefault(action: ParserAction, next: ParserState): void {
+    this.table.fill(action << TableAccess.TRANSITION_ACTION_SHIFT | next);
+  }
+
+  /**
+   * Add a transition to the transition table.
+   * @param code input character code
+   * @param state current parser state
+   * @param action parser action to be done
+   * @param next next parser state
+   */
+  public add(code: number, state: ParserState, action: ParserAction, next: ParserState): void {
+    this.table[state << TableAccess.INDEX_STATE_SHIFT | code] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;
+  }
+
+  /**
+   * Add transitions for multiple input character codes.
+   * @param codes input character code array
+   * @param state current parser state
+   * @param action parser action to be done
+   * @param next next parser state
+   */
+  public addMany(codes: number[], state: ParserState, action: ParserAction, next: ParserState): void {
+    for (let i = 0; i < codes.length; i++) {
+      this.table[state << TableAccess.INDEX_STATE_SHIFT | codes[i]] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;
+    }
+  }
+}
+
+
+// Pseudo-character placeholder for printable non-ascii characters (unicode).
+const NON_ASCII_PRINTABLE = 0xA0;
+
+
+/**
+ * VT500 compatible transition table.
+ * Taken from https://vt100.net/emu/dec_ansi_parser.
+ */
+export const VT500_TRANSITION_TABLE = (function (): TransitionTable {
+  const table: TransitionTable = new TransitionTable(4095);
+
+  // range macro for byte
+  const BYTE_VALUES = 256;
+  const blueprint = Array.apply(null, Array(BYTE_VALUES)).map((unused: any, i: number) => i);
+  const r = (start: number, end: number): number[] => blueprint.slice(start, end);
+
+  // Default definitions.
+  const PRINTABLES = r(0x20, 0x7f); // 0x20 (SP) included, 0x7F (DEL) excluded
+  const EXECUTABLES = r(0x00, 0x18);
+  EXECUTABLES.push(0x19);
+  EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));
+
+  const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);
+  let state: any;
+
+  // set default transition
+  table.setDefault(ParserAction.ERROR, ParserState.GROUND);
+  // printables
+  table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);
+  // global anywhere rules
+  for (state in states) {
+    table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);
+    table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);
+    table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);
+    table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator
+    table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE);  // ESC
+    table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING);  // OSC
+    table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+    table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY);  // CSI
+    table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY);  // DCS
+  }
+  // rules for executables and 7f
+  table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);
+  table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);
+  table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);
+  table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);
+  table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);
+  table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);
+  table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);
+  table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);
+  table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);
+  table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);
+  table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);
+  table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);
+  table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);
+  // osc
+  table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);
+  table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
+  table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
+  table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);
+  table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);
+  // sos/pm/apc does nothing
+  table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);
+  table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
+  // csi entries
+  table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x30, 0x3c), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);
+  table.addMany(r(0x30, 0x3c), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);
+  table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
+  table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
+  table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
+  // esc_intermediate
+  table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);
+  table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);
+  table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
+  // dcs entry
+  table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);
+  table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
+  table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
+  table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x30, 0x3c), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);
+  table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
+  table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
+  table.addMany(r(0x30, 0x3c), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);
+  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
+  table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
+  table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
+  table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
+  table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
+  table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
+  table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
+  table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
+  table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);
+  table.addMany([0x1b, 0x9c, 0x18, 0x1a], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);
+  // special handling of unicode chars
+  table.add(NON_ASCII_PRINTABLE, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);
+  table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
+  table.add(NON_ASCII_PRINTABLE, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
+  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
+  table.add(NON_ASCII_PRINTABLE, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
+  return table;
+})();
+
+
+/**
+ * EscapeSequenceParser.
+ * This class implements the ANSI/DEC compatible parser described by
+ * Paul Williams (https://vt100.net/emu/dec_ansi_parser).
+ *
+ * To implement custom ANSI compliant escape sequences it is not needed to
+ * alter this parser, instead consider registering a custom handler.
+ * For non ANSI compliant sequences change the transition table with
+ * the optional `transitions` constructor argument and
+ * reimplement the `parse` method.
+ *
+ * This parser is currently hardcoded to operate in ZDM (Zero Default Mode)
+ * as suggested by the original parser, thus empty parameters are set to 0.
+ * This this is not in line with the latest ECMA-48 specification
+ * (ZDM was part of the early specs and got completely removed later on).
+ *
+ * Other than the original parser from vt100.net this parser supports
+ * sub parameters in digital parameters separated by colons. Empty sub parameters
+ * are set to -1 (no ZDM for sub parameters).
+ *
+ * About prefix and intermediate bytes:
+ * This parser follows the assumptions of the vt100.net parser with these restrictions:
+ * - only one prefix byte is allowed as first parameter byte, byte range 0x3c .. 0x3f
+ * - max. two intermediates are respected, byte range 0x20 .. 0x2f
+ * Note that this is not in line with ECMA-48 which does not limit either of those.
+ * Furthermore ECMA-48 allows the prefix byte range at any param byte position. Currently
+ * there are no known sequences that follow the broader definition of the specification.
+ *
+ * TODO: implement error recovery hook via error handler return values
+ */
+export class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {
+  public initialState: number;
+  public currentState: number;
+  public precedingCodepoint: number;
+
+  // buffers over several parse calls
+  protected _params: Params;
+  protected _collect: number;
+
+  // handler lookup containers
+  protected _printHandler: PrintHandlerType;
+  protected _executeHandlers: { [flag: number]: ExecuteHandlerType };
+  protected _csiHandlers: IHandlerCollection<CsiHandlerType>;
+  protected _escHandlers: IHandlerCollection<EscHandlerType>;
+  protected readonly _oscParser: IOscParser;
+  protected readonly _dcsParser: IDcsParser;
+  protected _errorHandler: (state: IParsingState) => IParsingState;
+
+  // fallback handlers
+  protected _printHandlerFb: PrintFallbackHandlerType;
+  protected _executeHandlerFb: ExecuteFallbackHandlerType;
+  protected _csiHandlerFb: CsiFallbackHandlerType;
+  protected _escHandlerFb: EscFallbackHandlerType;
+  protected _errorHandlerFb: (state: IParsingState) => IParsingState;
+
+  // parser stack save for async handler support
+  protected _parseStack: IParserStackState = {
+    state: ParserStackType.NONE,
+    handlers: [],
+    handlerPos: 0,
+    transition: 0,
+    chunkPos: 0
+  };
+
+  constructor(
+    protected readonly _transitions: TransitionTable = VT500_TRANSITION_TABLE
+  ) {
+    super();
+
+    this.initialState = ParserState.GROUND;
+    this.currentState = this.initialState;
+    this._params = new Params(); // defaults to 32 storable params/subparams
+    this._params.addParam(0);    // ZDM
+    this._collect = 0;
+    this.precedingCodepoint = 0;
+
+    // set default fallback handlers and handler lookup containers
+    this._printHandlerFb = (data, start, end): void => { };
+    this._executeHandlerFb = (code: number): void => { };
+    this._csiHandlerFb = (ident: number, params: IParams): void => { };
+    this._escHandlerFb = (ident: number): void => { };
+    this._errorHandlerFb = (state: IParsingState): IParsingState => state;
+    this._printHandler = this._printHandlerFb;
+    this._executeHandlers = Object.create(null);
+    this._csiHandlers = Object.create(null);
+    this._escHandlers = Object.create(null);
+    this.register(toDisposable(() => {
+      this._csiHandlers = Object.create(null);
+      this._executeHandlers = Object.create(null);
+      this._escHandlers = Object.create(null);
+    }));
+    this._oscParser = this.register(new OscParser());
+    this._dcsParser = this.register(new DcsParser());
+    this._errorHandler = this._errorHandlerFb;
+
+    // swallow 7bit ST (ESC+\)
+    this.registerEscHandler({ final: '\\' }, () => true);
+  }
+
+  protected _identifier(id: IFunctionIdentifier, finalRange: number[] = [0x40, 0x7e]): number {
+    let res = 0;
+    if (id.prefix) {
+      if (id.prefix.length > 1) {
+        throw new Error('only one byte as prefix supported');
+      }
+      res = id.prefix.charCodeAt(0);
+      if (res && 0x3c > res || res > 0x3f) {
+        throw new Error('prefix must be in range 0x3c .. 0x3f');
+      }
+    }
+    if (id.intermediates) {
+      if (id.intermediates.length > 2) {
+        throw new Error('only two bytes as intermediates are supported');
+      }
+      for (let i = 0; i < id.intermediates.length; ++i) {
+        const intermediate = id.intermediates.charCodeAt(i);
+        if (0x20 > intermediate || intermediate > 0x2f) {
+          throw new Error('intermediate must be in range 0x20 .. 0x2f');
+        }
+        res <<= 8;
+        res |= intermediate;
+      }
+    }
+    if (id.final.length !== 1) {
+      throw new Error('final must be a single byte');
+    }
+    const finalCode = id.final.charCodeAt(0);
+    if (finalRange[0] > finalCode || finalCode > finalRange[1]) {
+      throw new Error(`final must be in range ${finalRange[0]} .. ${finalRange[1]}`);
+    }
+    res <<= 8;
+    res |= finalCode;
+
+    return res;
+  }
+
+  public identToString(ident: number): string {
+    const res: string[] = [];
+    while (ident) {
+      res.push(String.fromCharCode(ident & 0xFF));
+      ident >>= 8;
+    }
+    return res.reverse().join('');
+  }
+
+  public setPrintHandler(handler: PrintHandlerType): void {
+    this._printHandler = handler;
+  }
+  public clearPrintHandler(): void {
+    this._printHandler = this._printHandlerFb;
+  }
+
+  public registerEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable {
+    const ident = this._identifier(id, [0x30, 0x7e]);
+    if (this._escHandlers[ident] === undefined) {
+      this._escHandlers[ident] = [];
+    }
+    const handlerList = this._escHandlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+  public clearEscHandler(id: IFunctionIdentifier): void {
+    if (this._escHandlers[this._identifier(id, [0x30, 0x7e])]) delete this._escHandlers[this._identifier(id, [0x30, 0x7e])];
+  }
+  public setEscHandlerFallback(handler: EscFallbackHandlerType): void {
+    this._escHandlerFb = handler;
+  }
+
+  public setExecuteHandler(flag: string, handler: ExecuteHandlerType): void {
+    this._executeHandlers[flag.charCodeAt(0)] = handler;
+  }
+  public clearExecuteHandler(flag: string): void {
+    if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];
+  }
+  public setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void {
+    this._executeHandlerFb = handler;
+  }
+
+  public registerCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable {
+    const ident = this._identifier(id);
+    if (this._csiHandlers[ident] === undefined) {
+      this._csiHandlers[ident] = [];
+    }
+    const handlerList = this._csiHandlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+  public clearCsiHandler(id: IFunctionIdentifier): void {
+    if (this._csiHandlers[this._identifier(id)]) delete this._csiHandlers[this._identifier(id)];
+  }
+  public setCsiHandlerFallback(callback: (ident: number, params: IParams) => void): void {
+    this._csiHandlerFb = callback;
+  }
+
+  public registerDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable {
+    return this._dcsParser.registerHandler(this._identifier(id), handler);
+  }
+  public clearDcsHandler(id: IFunctionIdentifier): void {
+    this._dcsParser.clearHandler(this._identifier(id));
+  }
+  public setDcsHandlerFallback(handler: DcsFallbackHandlerType): void {
+    this._dcsParser.setHandlerFallback(handler);
+  }
+
+  public registerOscHandler(ident: number, handler: IOscHandler): IDisposable {
+    return this._oscParser.registerHandler(ident, handler);
+  }
+  public clearOscHandler(ident: number): void {
+    this._oscParser.clearHandler(ident);
+  }
+  public setOscHandlerFallback(handler: OscFallbackHandlerType): void {
+    this._oscParser.setHandlerFallback(handler);
+  }
+
+  public setErrorHandler(callback: (state: IParsingState) => IParsingState): void {
+    this._errorHandler = callback;
+  }
+  public clearErrorHandler(): void {
+    this._errorHandler = this._errorHandlerFb;
+  }
+
+  /**
+   * Reset parser to initial values.
+   *
+   * This can also be used to lift the improper continuation error condition
+   * when dealing with async handlers. Use this only as a last resort to silence
+   * that error when the terminal has no pending data to be processed. Note that
+   * the interrupted async handler might continue its work in the future messing
+   * up the terminal state even further.
+   */
+  public reset(): void {
+    this.currentState = this.initialState;
+    this._oscParser.reset();
+    this._dcsParser.reset();
+    this._params.reset();
+    this._params.addParam(0); // ZDM
+    this._collect = 0;
+    this.precedingCodepoint = 0;
+    // abort pending continuation from async handler
+    // Here the RESET type indicates, that the next parse call will
+    // ignore any saved stack, instead continues sync with next codepoint from GROUND
+    if (this._parseStack.state !== ParserStackType.NONE) {
+      this._parseStack.state = ParserStackType.RESET;
+      this._parseStack.handlers = []; // also release handlers ref
+    }
+  }
+
+  /**
+   * Async parse support.
+   */
+  protected _preserveStack(
+    state: ParserStackType,
+    handlers: ResumableHandlersType,
+    handlerPos: number,
+    transition: number,
+    chunkPos: number
+  ): void {
+    this._parseStack.state = state;
+    this._parseStack.handlers = handlers;
+    this._parseStack.handlerPos = handlerPos;
+    this._parseStack.transition = transition;
+    this._parseStack.chunkPos = chunkPos;
+  }
+
+  /**
+   * Parse UTF32 codepoints in `data` up to `length`.
+   *
+   * Note: For several actions with high data load the parsing is optimized
+   * by using local read ahead loops with hardcoded conditions to
+   * avoid costly table lookups. Make sure that any change of table values
+   * will be reflected in the loop conditions as well and vice versa.
+   * Affected states/actions:
+   * - GROUND:PRINT
+   * - CSI_PARAM:PARAM
+   * - DCS_PARAM:PARAM
+   * - OSC_STRING:OSC_PUT
+   * - DCS_PASSTHROUGH:DCS_PUT
+   *
+   * Note on asynchronous handler support:
+   * Any handler returning a promise will be treated as asynchronous.
+   * To keep the in-band blocking working for async handlers, `parse` pauses execution,
+   * creates a stack save and returns the promise to the caller.
+   * For proper continuation of the paused state it is important
+   * to await the promise resolving. On resolve the parse must be repeated
+   * with the same chunk of data and the resolved value in `promiseResult`
+   * until no promise is returned.
+   *
+   * Important: With only sync handlers defined, parsing is completely synchronous as well.
+   * As soon as an async handler is involved, synchronous parsing is not possible anymore.
+   *
+   * Boilerplate for proper parsing of multiple chunks with async handlers:
+   *
+   * ```typescript
+   * async function parseMultipleChunks(chunks: Uint32Array[]): Promise<void> {
+   *   for (const chunk of chunks) {
+   *     let result: void | Promise<boolean>;
+   *     let prev: boolean | undefined;
+   *     while (result = parser.parse(chunk, chunk.length, prev)) {
+   *       prev = await result;
+   *     }
+   *   }
+   *   // finished parsing all chunks...
+   * }
+   * ```
+   */
+  public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise<boolean> {
+    let code = 0;
+    let transition = 0;
+    let start = 0;
+    let handlerResult: void | boolean | Promise<boolean>;
+
+    // resume from async handler
+    if (this._parseStack.state) {
+      // allow sync parser reset even in continuation mode
+      // Note: can be used to recover parser from improper continuation error below
+      if (this._parseStack.state === ParserStackType.RESET) {
+        this._parseStack.state = ParserStackType.NONE;
+        start = this._parseStack.chunkPos + 1; // continue with next codepoint in GROUND
+      } else {
+        if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) {
+          /**
+           * Reject further parsing on improper continuation after pausing. This is a really bad
+           * condition with screwed up execution order and prolly messed up terminal state,
+           * therefore we exit hard with an exception and reject any further parsing.
+           *
+           * Note: With `Terminal.write` usage this exception should never occur, as the top level
+           * calls are guaranteed to handle async conditions properly. If you ever encounter this
+           * exception in your terminal integration it indicates, that you injected data chunks to
+           * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for
+           * continuation of a running async handler.
+           *
+           * It is possible to get rid of this error by calling `reset`. But dont rely on that, as
+           * the pending async handler still might mess up the terminal later. Instead fix the
+           * faulty async handling, so this error will not be thrown anymore.
+           */
+          this._parseStack.state = ParserStackType.FAIL;
+          throw new Error('improper continuation due to previous async handler, giving up parsing');
+        }
+
+        // we have to resume the old handler loop if:
+        // - return value of the promise was `false`
+        // - handlers are not exhausted yet
+        const handlers = this._parseStack.handlers;
+        let handlerPos = this._parseStack.handlerPos - 1;
+        switch (this._parseStack.state) {
+          case ParserStackType.CSI:
+            if (promiseResult === false && handlerPos > -1) {
+              for (; handlerPos >= 0; handlerPos--) {
+                handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params);
+                if (handlerResult === true) {
+                  break;
+                } else if (handlerResult instanceof Promise) {
+                  this._parseStack.handlerPos = handlerPos;
+                  return handlerResult;
+                }
+              }
+            }
+            this._parseStack.handlers = [];
+            break;
+          case ParserStackType.ESC:
+            if (promiseResult === false && handlerPos > -1) {
+              for (; handlerPos >= 0; handlerPos--) {
+                handlerResult = (handlers as EscHandlerType[])[handlerPos]();
+                if (handlerResult === true) {
+                  break;
+                } else if (handlerResult instanceof Promise) {
+                  this._parseStack.handlerPos = handlerPos;
+                  return handlerResult;
+                }
+              }
+            }
+            this._parseStack.handlers = [];
+            break;
+          case ParserStackType.DCS:
+            code = data[this._parseStack.chunkPos];
+            handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult);
+            if (handlerResult) {
+              return handlerResult;
+            }
+            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
+            this._params.reset();
+            this._params.addParam(0); // ZDM
+            this._collect = 0;
+            break;
+          case ParserStackType.OSC:
+            code = data[this._parseStack.chunkPos];
+            handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult);
+            if (handlerResult) {
+              return handlerResult;
+            }
+            if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
+            this._params.reset();
+            this._params.addParam(0); // ZDM
+            this._collect = 0;
+            break;
+        }
+        // cleanup before continuing with the main sync loop
+        this._parseStack.state = ParserStackType.NONE;
+        start = this._parseStack.chunkPos + 1;
+        this.precedingCodepoint = 0;
+        this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK;
+      }
+    }
+
+    // continue with main sync loop
+
+    // process input string
+    for (let i = start; i < length; ++i) {
+      code = data[i];
+
+      // normal transition & action lookup
+      transition = this._transitions.table[this.currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];
+      switch (transition >> TableAccess.TRANSITION_ACTION_SHIFT) {
+        case ParserAction.PRINT:
+          // read ahead with loop unrolling
+          // Note: 0x20 (SP) is included, 0x7F (DEL) is excluded
+          for (let j = i + 1; ; ++j) {
+            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+            if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {
+              this._printHandler(data, i, j);
+              i = j - 1;
+              break;
+            }
+          }
+          break;
+        case ParserAction.EXECUTE:
+          if (this._executeHandlers[code]) this._executeHandlers[code]();
+          else this._executeHandlerFb(code);
+          this.precedingCodepoint = 0;
+          break;
+        case ParserAction.IGNORE:
+          break;
+        case ParserAction.ERROR:
+          const inject: IParsingState = this._errorHandler(
+            {
+              position: i,
+              code,
+              currentState: this.currentState,
+              collect: this._collect,
+              params: this._params,
+              abort: false
+            });
+          if (inject.abort) return;
+          // inject values: currently not implemented
+          break;
+        case ParserAction.CSI_DISPATCH:
+          // Trigger CSI Handler
+          const handlers = this._csiHandlers[this._collect << 8 | code];
+          let j = handlers ? handlers.length - 1 : -1;
+          for (; j >= 0; j--) {
+            // true means success and to stop bubbling
+            // a promise indicates an async handler that needs to finish before progressing
+            handlerResult = handlers[j](this._params);
+            if (handlerResult === true) {
+              break;
+            } else if (handlerResult instanceof Promise) {
+              this._preserveStack(ParserStackType.CSI, handlers, j, transition, i);
+              return handlerResult;
+            }
+          }
+          if (j < 0) {
+            this._csiHandlerFb(this._collect << 8 | code, this._params);
+          }
+          this.precedingCodepoint = 0;
+          break;
+        case ParserAction.PARAM:
+          // inner loop: digits (0x30 - 0x39) and ; (0x3b) and : (0x3a)
+          do {
+            switch (code) {
+              case 0x3b:
+                this._params.addParam(0);  // ZDM
+                break;
+              case 0x3a:
+                this._params.addSubParam(-1);
+                break;
+              default:  // 0x30 - 0x39
+                this._params.addDigit(code - 48);
+            }
+          } while (++i < length && (code = data[i]) > 0x2f && code < 0x3c);
+          i--;
+          break;
+        case ParserAction.COLLECT:
+          this._collect <<= 8;
+          this._collect |= code;
+          break;
+        case ParserAction.ESC_DISPATCH:
+          const handlersEsc = this._escHandlers[this._collect << 8 | code];
+          let jj = handlersEsc ? handlersEsc.length - 1 : -1;
+          for (; jj >= 0; jj--) {
+            // true means success and to stop bubbling
+            // a promise indicates an async handler that needs to finish before progressing
+            handlerResult = handlersEsc[jj]();
+            if (handlerResult === true) {
+              break;
+            } else if (handlerResult instanceof Promise) {
+              this._preserveStack(ParserStackType.ESC, handlersEsc, jj, transition, i);
+              return handlerResult;
+            }
+          }
+          if (jj < 0) {
+            this._escHandlerFb(this._collect << 8 | code);
+          }
+          this.precedingCodepoint = 0;
+          break;
+        case ParserAction.CLEAR:
+          this._params.reset();
+          this._params.addParam(0); // ZDM
+          this._collect = 0;
+          break;
+        case ParserAction.DCS_HOOK:
+          this._dcsParser.hook(this._collect << 8 | code, this._params);
+          break;
+        case ParserAction.DCS_PUT:
+          // inner loop - exit DCS_PUT: 0x18, 0x1a, 0x1b, 0x7f, 0x80 - 0x9f
+          // unhook triggered by: 0x1b, 0x9c (success) and 0x18, 0x1a (abort)
+          for (let j = i + 1; ; ++j) {
+            if (j >= length || (code = data[j]) === 0x18 || code === 0x1a || code === 0x1b || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {
+              this._dcsParser.put(data, i, j);
+              i = j - 1;
+              break;
+            }
+          }
+          break;
+        case ParserAction.DCS_UNHOOK:
+          handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a);
+          if (handlerResult) {
+            this._preserveStack(ParserStackType.DCS, [], 0, transition, i);
+            return handlerResult;
+          }
+          if (code === 0x1b) transition |= ParserState.ESCAPE;
+          this._params.reset();
+          this._params.addParam(0); // ZDM
+          this._collect = 0;
+          this.precedingCodepoint = 0;
+          break;
+        case ParserAction.OSC_START:
+          this._oscParser.start();
+          break;
+        case ParserAction.OSC_PUT:
+          // inner loop: 0x20 (SP) included, 0x7F (DEL) included
+          for (let j = i + 1; ; j++) {
+            if (j >= length || (code = data[j]) < 0x20 || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {
+              this._oscParser.put(data, i, j);
+              i = j - 1;
+              break;
+            }
+          }
+          break;
+        case ParserAction.OSC_END:
+          handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a);
+          if (handlerResult) {
+            this._preserveStack(ParserStackType.OSC, [], 0, transition, i);
+            return handlerResult;
+          }
+          if (code === 0x1b) transition |= ParserState.ESCAPE;
+          this._params.reset();
+          this._params.addParam(0); // ZDM
+          this._collect = 0;
+          this.precedingCodepoint = 0;
+          break;
+      }
+      this.currentState = transition & TableAccess.TRANSITION_STATE_MASK;
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/parser/OscParser.ts b/web/public/node_modules/xterm/src/common/parser/OscParser.ts
new file mode 100644
index 000000000..32710aedf
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/parser/OscParser.ts
@@ -0,0 +1,238 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser, ISubParserStackState } from 'common/parser/Types';
+import { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants';
+import { utf32ToString } from 'common/input/TextDecoder';
+import { IDisposable } from 'common/Types';
+
+const EMPTY_HANDLERS: IOscHandler[] = [];
+
+export class OscParser implements IOscParser {
+  private _state = OscState.START;
+  private _active = EMPTY_HANDLERS;
+  private _id = -1;
+  private _handlers: IHandlerCollection<IOscHandler> = Object.create(null);
+  private _handlerFb: OscFallbackHandlerType = () => { };
+  private _stack: ISubParserStackState = {
+    paused: false,
+    loopPosition: 0,
+    fallThrough: false
+  };
+
+  public registerHandler(ident: number, handler: IOscHandler): IDisposable {
+    if (this._handlers[ident] === undefined) {
+      this._handlers[ident] = [];
+    }
+    const handlerList = this._handlers[ident];
+    handlerList.push(handler);
+    return {
+      dispose: () => {
+        const handlerIndex = handlerList.indexOf(handler);
+        if (handlerIndex !== -1) {
+          handlerList.splice(handlerIndex, 1);
+        }
+      }
+    };
+  }
+  public clearHandler(ident: number): void {
+    if (this._handlers[ident]) delete this._handlers[ident];
+  }
+  public setHandlerFallback(handler: OscFallbackHandlerType): void {
+    this._handlerFb = handler;
+  }
+
+  public dispose(): void {
+    this._handlers = Object.create(null);
+    this._handlerFb = () => { };
+    this._active = EMPTY_HANDLERS;
+  }
+
+  public reset(): void {
+    // force cleanup handlers if payload was already sent
+    if (this._state === OscState.PAYLOAD) {
+      for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) {
+        this._active[j].end(false);
+      }
+    }
+    this._stack.paused = false;
+    this._active = EMPTY_HANDLERS;
+    this._id = -1;
+    this._state = OscState.START;
+  }
+
+  private _start(): void {
+    this._active = this._handlers[this._id] || EMPTY_HANDLERS;
+    if (!this._active.length) {
+      this._handlerFb(this._id, 'START');
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].start();
+      }
+    }
+  }
+
+  private _put(data: Uint32Array, start: number, end: number): void {
+    if (!this._active.length) {
+      this._handlerFb(this._id, 'PUT', utf32ToString(data, start, end));
+    } else {
+      for (let j = this._active.length - 1; j >= 0; j--) {
+        this._active[j].put(data, start, end);
+      }
+    }
+  }
+
+  public start(): void {
+    // always reset leftover handlers
+    this.reset();
+    this._state = OscState.ID;
+  }
+
+  /**
+   * Put data to current OSC command.
+   * Expects the identifier of the OSC command in the form
+   * OSC id ; payload ST/BEL
+   * Payload chunks are not further processed and get
+   * directly passed to the handlers.
+   */
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._state === OscState.ABORT) {
+      return;
+    }
+    if (this._state === OscState.ID) {
+      while (start < end) {
+        const code = data[start++];
+        if (code === 0x3b) {
+          this._state = OscState.PAYLOAD;
+          this._start();
+          break;
+        }
+        if (code < 0x30 || 0x39 < code) {
+          this._state = OscState.ABORT;
+          return;
+        }
+        if (this._id === -1) {
+          this._id = 0;
+        }
+        this._id = this._id * 10 + code - 48;
+      }
+    }
+    if (this._state === OscState.PAYLOAD && end - start > 0) {
+      this._put(data, start, end);
+    }
+  }
+
+  /**
+   * Indicates end of an OSC command.
+   * Whether the OSC got aborted or finished normally
+   * is indicated by `success`.
+   */
+  public end(success: boolean, promiseResult: boolean = true): void | Promise<boolean> {
+    if (this._state === OscState.START) {
+      return;
+    }
+    // do nothing if command was faulty
+    if (this._state !== OscState.ABORT) {
+      // if we are still in ID state and get an early end
+      // means that the command has no payload thus we still have
+      // to announce START and send END right after
+      if (this._state === OscState.ID) {
+        this._start();
+      }
+
+      if (!this._active.length) {
+        this._handlerFb(this._id, 'END', success);
+      } else {
+        let handlerResult: boolean | Promise<boolean> = false;
+        let j = this._active.length - 1;
+        let fallThrough = false;
+        if (this._stack.paused) {
+          j = this._stack.loopPosition - 1;
+          handlerResult = promiseResult;
+          fallThrough = this._stack.fallThrough;
+          this._stack.paused = false;
+        }
+        if (!fallThrough && handlerResult === false) {
+          for (; j >= 0; j--) {
+            handlerResult = this._active[j].end(success);
+            if (handlerResult === true) {
+              break;
+            } else if (handlerResult instanceof Promise) {
+              this._stack.paused = true;
+              this._stack.loopPosition = j;
+              this._stack.fallThrough = false;
+              return handlerResult;
+            }
+          }
+          j--;
+        }
+        // cleanup left over handlers
+        // we always have to call .end for proper cleanup,
+        // here we use `success` to indicate whether a handler should execute
+        for (; j >= 0; j--) {
+          handlerResult = this._active[j].end(false);
+          if (handlerResult instanceof Promise) {
+            this._stack.paused = true;
+            this._stack.loopPosition = j;
+            this._stack.fallThrough = true;
+            return handlerResult;
+          }
+        }
+      }
+
+    }
+    this._active = EMPTY_HANDLERS;
+    this._id = -1;
+    this._state = OscState.START;
+  }
+}
+
+/**
+ * Convenient class to allow attaching string based handler functions
+ * as OSC handlers.
+ */
+export class OscHandler implements IOscHandler {
+  private _data = '';
+  private _hitLimit: boolean = false;
+
+  constructor(private _handler: (data: string) => boolean | Promise<boolean>) { }
+
+  public start(): void {
+    this._data = '';
+    this._hitLimit = false;
+  }
+
+  public put(data: Uint32Array, start: number, end: number): void {
+    if (this._hitLimit) {
+      return;
+    }
+    this._data += utf32ToString(data, start, end);
+    if (this._data.length > PAYLOAD_LIMIT) {
+      this._data = '';
+      this._hitLimit = true;
+    }
+  }
+
+  public end(success: boolean): boolean | Promise<boolean> {
+    let ret: boolean | Promise<boolean> = false;
+    if (this._hitLimit) {
+      ret = false;
+    } else if (success) {
+      ret = this._handler(this._data);
+      if (ret instanceof Promise) {
+        // need to hold data until `ret` got resolved
+        // dont care for errors, data will be freed anyway on next start
+        return ret.then(res => {
+          this._data = '';
+          this._hitLimit = false;
+          return res;
+        });
+      }
+    }
+    this._data = '';
+    this._hitLimit = false;
+    return ret;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/parser/Params.ts b/web/public/node_modules/xterm/src/common/parser/Params.ts
new file mode 100644
index 000000000..7071453d0
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/parser/Params.ts
@@ -0,0 +1,229 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IParams, ParamsArray } from 'common/parser/Types';
+
+// max value supported for a single param/subparam (clamped to positive int32 range)
+const MAX_VALUE = 0x7FFFFFFF;
+// max allowed subparams for a single sequence (hardcoded limitation)
+const MAX_SUBPARAMS = 256;
+
+/**
+ * Params storage class.
+ * This type is used by the parser to accumulate sequence parameters and sub parameters
+ * and transmit them to the input handler actions.
+ *
+ * NOTES:
+ *  - params object for action handlers is borrowed, use `.toArray` or `.clone` to get a copy
+ *  - never read beyond `params.length - 1` (likely to contain arbitrary data)
+ *  - `.getSubParams` returns a borrowed typed array, use `.getSubParamsAll` for cloned sub params
+ *  - hardcoded limitations:
+ *    - max. value for a single (sub) param is 2^31 - 1 (greater values are clamped to that)
+ *    - max. 256 sub params possible
+ *    - negative values are not allowed beside -1 (placeholder for default value)
+ *
+ * About ZDM (Zero Default Mode):
+ * ZDM is not orchestrated by this class. If the parser is in ZDM,
+ * it should add 0 for empty params, otherwise -1. This does not apply
+ * to subparams, empty subparams should always be added with -1.
+ */
+export class Params implements IParams {
+  // params store and length
+  public params: Int32Array;
+  public length: number;
+
+  // sub params store and length
+  protected _subParams: Int32Array;
+  protected _subParamsLength: number;
+
+  // sub params offsets from param: param idx --> [start, end] offset
+  private _subParamsIdx: Uint16Array;
+  private _rejectDigits: boolean;
+  private _rejectSubDigits: boolean;
+  private _digitIsSub: boolean;
+
+  /**
+   * Create a `Params` type from JS array representation.
+   */
+  public static fromArray(values: ParamsArray): Params {
+    const params = new Params();
+    if (!values.length) {
+      return params;
+    }
+    // skip leading sub params
+    for (let i = (Array.isArray(values[0])) ? 1 : 0; i < values.length; ++i) {
+      const value = values[i];
+      if (Array.isArray(value)) {
+        for (let k = 0; k < value.length; ++k) {
+          params.addSubParam(value[k]);
+        }
+      } else {
+        params.addParam(value);
+      }
+    }
+    return params;
+  }
+
+  /**
+   * @param maxLength max length of storable parameters
+   * @param maxSubParamsLength max length of storable sub parameters
+   */
+  constructor(public maxLength: number = 32, public maxSubParamsLength: number = 32) {
+    if (maxSubParamsLength > MAX_SUBPARAMS) {
+      throw new Error('maxSubParamsLength must not be greater than 256');
+    }
+    this.params = new Int32Array(maxLength);
+    this.length = 0;
+    this._subParams = new Int32Array(maxSubParamsLength);
+    this._subParamsLength = 0;
+    this._subParamsIdx = new Uint16Array(maxLength);
+    this._rejectDigits = false;
+    this._rejectSubDigits = false;
+    this._digitIsSub = false;
+  }
+
+  /**
+   * Clone object.
+   */
+  public clone(): Params {
+    const newParams = new Params(this.maxLength, this.maxSubParamsLength);
+    newParams.params.set(this.params);
+    newParams.length = this.length;
+    newParams._subParams.set(this._subParams);
+    newParams._subParamsLength = this._subParamsLength;
+    newParams._subParamsIdx.set(this._subParamsIdx);
+    newParams._rejectDigits = this._rejectDigits;
+    newParams._rejectSubDigits = this._rejectSubDigits;
+    newParams._digitIsSub = this._digitIsSub;
+    return newParams;
+  }
+
+  /**
+   * Get a JS array representation of the current parameters and sub parameters.
+   * The array is structured as follows:
+   *    sequence: "1;2:3:4;5::6"
+   *    array   : [1, 2, [3, 4], 5, [-1, 6]]
+   */
+  public toArray(): ParamsArray {
+    const res: ParamsArray = [];
+    for (let i = 0; i < this.length; ++i) {
+      res.push(this.params[i]);
+      const start = this._subParamsIdx[i] >> 8;
+      const end = this._subParamsIdx[i] & 0xFF;
+      if (end - start > 0) {
+        res.push(Array.prototype.slice.call(this._subParams, start, end));
+      }
+    }
+    return res;
+  }
+
+  /**
+   * Reset to initial empty state.
+   */
+  public reset(): void {
+    this.length = 0;
+    this._subParamsLength = 0;
+    this._rejectDigits = false;
+    this._rejectSubDigits = false;
+    this._digitIsSub = false;
+  }
+
+  /**
+   * Add a parameter value.
+   * `Params` only stores up to `maxLength` parameters, any later
+   * parameter will be ignored.
+   * Note: VT devices only stored up to 16 values, xterm seems to
+   * store up to 30.
+   */
+  public addParam(value: number): void {
+    this._digitIsSub = false;
+    if (this.length >= this.maxLength) {
+      this._rejectDigits = true;
+      return;
+    }
+    if (value < -1) {
+      throw new Error('values lesser than -1 are not allowed');
+    }
+    this._subParamsIdx[this.length] = this._subParamsLength << 8 | this._subParamsLength;
+    this.params[this.length++] = value > MAX_VALUE ? MAX_VALUE : value;
+  }
+
+  /**
+   * Add a sub parameter value.
+   * The sub parameter is automatically associated with the last parameter value.
+   * Thus it is not possible to add a subparameter without any parameter added yet.
+   * `Params` only stores up to `subParamsLength` sub parameters, any later
+   * sub parameter will be ignored.
+   */
+  public addSubParam(value: number): void {
+    this._digitIsSub = true;
+    if (!this.length) {
+      return;
+    }
+    if (this._rejectDigits || this._subParamsLength >= this.maxSubParamsLength) {
+      this._rejectSubDigits = true;
+      return;
+    }
+    if (value < -1) {
+      throw new Error('values lesser than -1 are not allowed');
+    }
+    this._subParams[this._subParamsLength++] = value > MAX_VALUE ? MAX_VALUE : value;
+    this._subParamsIdx[this.length - 1]++;
+  }
+
+  /**
+   * Whether parameter at index `idx` has sub parameters.
+   */
+  public hasSubParams(idx: number): boolean {
+    return ((this._subParamsIdx[idx] & 0xFF) - (this._subParamsIdx[idx] >> 8) > 0);
+  }
+
+  /**
+   * Return sub parameters for parameter at index `idx`.
+   * Note: The values are borrowed, thus you need to copy
+   * the values if you need to hold them in nonlocal scope.
+   */
+  public getSubParams(idx: number): Int32Array | null {
+    const start = this._subParamsIdx[idx] >> 8;
+    const end = this._subParamsIdx[idx] & 0xFF;
+    if (end - start > 0) {
+      return this._subParams.subarray(start, end);
+    }
+    return null;
+  }
+
+  /**
+   * Return all sub parameters as {idx: subparams} mapping.
+   * Note: The values are not borrowed.
+   */
+  public getSubParamsAll(): {[idx: number]: Int32Array} {
+    const result: {[idx: number]: Int32Array} = {};
+    for (let i = 0; i < this.length; ++i) {
+      const start = this._subParamsIdx[i] >> 8;
+      const end = this._subParamsIdx[i] & 0xFF;
+      if (end - start > 0) {
+        result[i] = this._subParams.slice(start, end);
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Add a single digit value to current parameter.
+   * This is used by the parser to account digits on a char by char basis.
+   */
+  public addDigit(value: number): void {
+    let length;
+    if (this._rejectDigits
+      || !(length = this._digitIsSub ? this._subParamsLength : this.length)
+      || (this._digitIsSub && this._rejectSubDigits)
+    ) {
+      return;
+    }
+
+    const store = this._digitIsSub ? this._subParams : this.params;
+    const cur = store[length - 1];
+    store[length - 1] = ~cur ? Math.min(cur * 10 + value, MAX_VALUE) : value;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/parser/Types.d.ts b/web/public/node_modules/xterm/src/common/parser/Types.d.ts
new file mode 100644
index 000000000..a1ea0ec26
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/parser/Types.d.ts
@@ -0,0 +1,274 @@
+/**
+ * Copyright (c) 2017 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { ParserState } from 'common/parser/Constants';
+
+
+/** sequence params serialized to js arrays */
+export type ParamsArray = (number | number[])[];
+
+/** Params constructor type. */
+export interface IParamsConstructor {
+  new(maxLength: number, maxSubParamsLength: number): IParams;
+
+  /** create params from ParamsArray */
+  fromArray(values: ParamsArray): IParams;
+}
+
+/** Interface of Params storage class. */
+export interface IParams {
+  /** from ctor */
+  maxLength: number;
+  maxSubParamsLength: number;
+
+  /** param values and its length */
+  params: Int32Array;
+  length: number;
+
+  /** methods */
+  clone(): IParams;
+  toArray(): ParamsArray;
+  reset(): void;
+  addParam(value: number): void;
+  addSubParam(value: number): void;
+  hasSubParams(idx: number): boolean;
+  getSubParams(idx: number): Int32Array | null;
+  getSubParamsAll(): {[idx: number]: Int32Array};
+}
+
+/**
+ * Internal state of EscapeSequenceParser.
+ * Used as argument of the error handler to allow
+ * introspection at runtime on parse errors.
+ * Return it with altered values to recover from
+ * faulty states (not yet supported).
+ * Set `abort` to `true` to abort the current parsing.
+ */
+export interface IParsingState {
+  // position in parse string
+  position: number;
+  // actual character code
+  code: number;
+  // current parser state
+  currentState: ParserState;
+  // collect buffer with intermediate characters
+  collect: number;
+  // params buffer
+  params: IParams;
+  // should abort (default: false)
+  abort: boolean;
+}
+
+/**
+ * Command handler interfaces.
+ */
+
+/**
+ * CSI handler types.
+ * Note: `params` is borrowed.
+ */
+export type CsiHandlerType = (params: IParams) => boolean | Promise<boolean>;
+export type CsiFallbackHandlerType = (ident: number, params: IParams) => void;
+
+/**
+ * DCS handler types.
+ */
+export interface IDcsHandler {
+  /**
+   * Called when a DCS command starts.
+   * Prepare needed data structures here.
+   * Note: `params` is borrowed.
+   */
+  hook(params: IParams): void;
+  /**
+   * Incoming payload chunk.
+   * Note: `params` is borrowed.
+   */
+  put(data: Uint32Array, start: number, end: number): void;
+  /**
+   * End of DCS command. `success` indicates whether the
+   * command finished normally or got aborted, thus final
+   * execution of the command should depend on `success`.
+   * To save memory also cleanup data structures here.
+   */
+  unhook(success: boolean): boolean | Promise<boolean>;
+}
+export type DcsFallbackHandlerType = (ident: number, action: 'HOOK' | 'PUT' | 'UNHOOK', payload?: any) => void;
+
+/**
+ * ESC handler types.
+ */
+export type EscHandlerType = () => boolean | Promise<boolean>;
+export type EscFallbackHandlerType = (identifier: number) => void;
+
+/**
+ * EXECUTE handler types.
+ */
+export type ExecuteHandlerType = () => boolean;
+export type ExecuteFallbackHandlerType = (ident: number) => void;
+
+/**
+ * OSC handler types.
+ */
+export interface IOscHandler {
+  /**
+   * Announces start of this OSC command.
+   * Prepare needed data structures here.
+   */
+  start(): void;
+  /**
+   * Incoming data chunk.
+   * Note: Data is borrowed.
+   */
+  put(data: Uint32Array, start: number, end: number): void;
+  /**
+   * End of OSC command. `success` indicates whether the
+   * command finished normally or got aborted, thus final
+   * execution of the command should depend on `success`.
+   * To save memory also cleanup data structures here.
+   */
+  end(success: boolean): boolean | Promise<boolean>;
+}
+export type OscFallbackHandlerType = (ident: number, action: 'START' | 'PUT' | 'END', payload?: any) => void;
+
+/**
+ * PRINT handler types.
+ */
+export type PrintHandlerType = (data: Uint32Array, start: number, end: number) => void;
+export type PrintFallbackHandlerType = PrintHandlerType;
+
+
+/**
+ * EscapeSequenceParser interface.
+ */
+export interface IEscapeSequenceParser extends IDisposable {
+  /**
+   * Preceding codepoint to get REP working correctly.
+   * This must be set by the print handler as last action.
+   * It gets reset by the parser for any valid sequence beside REP itself.
+   */
+  precedingCodepoint: number;
+
+  /**
+   * Reset the parser to its initial state (handlers are kept).
+   */
+  reset(): void;
+
+  /**
+   * Parse UTF32 codepoints in `data` up to `length`.
+   * @param data The data to parse.
+   */
+  parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise<boolean>;
+
+  /**
+   * Get string from numercial function identifier `ident`.
+   * Useful in fallback handlers which expose the low level
+   * numcerical function identifier for debugging purposes.
+   * Note: A full back translation to `IFunctionIdentifier`
+   * is not implemented.
+   */
+  identToString(ident: number): string;
+
+  setPrintHandler(handler: PrintHandlerType): void;
+  clearPrintHandler(): void;
+
+  registerEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable;
+  clearEscHandler(id: IFunctionIdentifier): void;
+  setEscHandlerFallback(handler: EscFallbackHandlerType): void;
+
+  setExecuteHandler(flag: string, handler: ExecuteHandlerType): void;
+  clearExecuteHandler(flag: string): void;
+  setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void;
+
+  registerCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable;
+  clearCsiHandler(id: IFunctionIdentifier): void;
+  setCsiHandlerFallback(callback: CsiFallbackHandlerType): void;
+
+  registerDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable;
+  clearDcsHandler(id: IFunctionIdentifier): void;
+  setDcsHandlerFallback(handler: DcsFallbackHandlerType): void;
+
+  registerOscHandler(ident: number, handler: IOscHandler): IDisposable;
+  clearOscHandler(ident: number): void;
+  setOscHandlerFallback(handler: OscFallbackHandlerType): void;
+
+  setErrorHandler(handler: (state: IParsingState) => IParsingState): void;
+  clearErrorHandler(): void;
+}
+
+/**
+ * Subparser interfaces.
+ * The subparsers are instantiated in `EscapeSequenceParser` and
+ * called during `EscapeSequenceParser.parse`.
+ */
+export interface ISubParser<T, U> extends IDisposable {
+  reset(): void;
+  registerHandler(ident: number, handler: T): IDisposable;
+  clearHandler(ident: number): void;
+  setHandlerFallback(handler: U): void;
+  put(data: Uint32Array, start: number, end: number): void;
+}
+
+export interface IOscParser extends ISubParser<IOscHandler, OscFallbackHandlerType> {
+  start(): void;
+  end(success: boolean, promiseResult?: boolean): void | Promise<boolean>;
+}
+
+export interface IDcsParser extends ISubParser<IDcsHandler, DcsFallbackHandlerType> {
+  hook(ident: number, params: IParams): void;
+  unhook(success: boolean, promiseResult?: boolean): void | Promise<boolean>;
+}
+
+/**
+ * Interface to denote a specific ESC, CSI or DCS handler slot.
+ * The values are used to create an integer respresentation during handler
+ * regristation before passed to the subparsers as `ident`.
+ * The integer translation is made to allow a faster handler access
+ * in `EscapeSequenceParser.parse`.
+ */
+export interface IFunctionIdentifier {
+  prefix?: string;
+  intermediates?: string;
+  final: string;
+}
+
+export interface IHandlerCollection<T> {
+  [key: string]: T[];
+}
+
+/**
+ * Types for async parser support.
+ */
+
+// type of saved stack state in parser
+export const enum ParserStackType {
+  NONE = 0,
+  FAIL,
+  RESET,
+  CSI,
+  ESC,
+  OSC,
+  DCS
+}
+
+// aggregate of resumable handler lists
+export type ResumableHandlersType = CsiHandlerType[] | EscHandlerType[];
+
+// saved stack state of the parser
+export interface IParserStackState {
+  state: ParserStackType;
+  handlers: ResumableHandlersType;
+  handlerPos: number;
+  transition: number;
+  chunkPos: number;
+}
+
+// saved stack state of subparser (OSC and DCS)
+export interface ISubParserStackState {
+  paused: boolean;
+  loopPosition: number;
+  fallThrough: boolean;
+}
diff --git a/web/public/node_modules/xterm/src/common/public/AddonManager.ts b/web/public/node_modules/xterm/src/common/public/AddonManager.ts
new file mode 100644
index 000000000..af04a2696
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/public/AddonManager.ts
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ITerminalAddon, IDisposable, Terminal } from 'xterm';
+
+export interface ILoadedAddon {
+  instance: ITerminalAddon;
+  dispose: () => void;
+  isDisposed: boolean;
+}
+
+export class AddonManager implements IDisposable {
+  protected _addons: ILoadedAddon[] = [];
+
+  public dispose(): void {
+    for (let i = this._addons.length - 1; i >= 0; i--) {
+      this._addons[i].instance.dispose();
+    }
+  }
+
+  public loadAddon(terminal: Terminal, instance: ITerminalAddon): void {
+    const loadedAddon: ILoadedAddon = {
+      instance,
+      dispose: instance.dispose,
+      isDisposed: false
+    };
+    this._addons.push(loadedAddon);
+    instance.dispose = () => this._wrappedAddonDispose(loadedAddon);
+    instance.activate(terminal as any);
+  }
+
+  private _wrappedAddonDispose(loadedAddon: ILoadedAddon): void {
+    if (loadedAddon.isDisposed) {
+      // Do nothing if already disposed
+      return;
+    }
+    let index = -1;
+    for (let i = 0; i < this._addons.length; i++) {
+      if (this._addons[i] === loadedAddon) {
+        index = i;
+        break;
+      }
+    }
+    if (index === -1) {
+      throw new Error('Could not dispose an addon that has not been loaded');
+    }
+    loadedAddon.isDisposed = true;
+    loadedAddon.dispose.apply(loadedAddon.instance);
+    this._addons.splice(index, 1);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/public/BufferApiView.ts b/web/public/node_modules/xterm/src/common/public/BufferApiView.ts
new file mode 100644
index 000000000..ca9ef2d8f
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/public/BufferApiView.ts
@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBuffer as IBufferApi, IBufferLine as IBufferLineApi, IBufferCell as IBufferCellApi } from 'xterm';
+import { IBuffer } from 'common/buffer/Types';
+import { BufferLineApiView } from 'common/public/BufferLineApiView';
+import { CellData } from 'common/buffer/CellData';
+
+export class BufferApiView implements IBufferApi {
+  constructor(
+    private _buffer: IBuffer,
+    public readonly type: 'normal' | 'alternate'
+  ) { }
+
+  public init(buffer: IBuffer): BufferApiView {
+    this._buffer = buffer;
+    return this;
+  }
+
+  public get cursorY(): number { return this._buffer.y; }
+  public get cursorX(): number { return this._buffer.x; }
+  public get viewportY(): number { return this._buffer.ydisp; }
+  public get baseY(): number { return this._buffer.ybase; }
+  public get length(): number { return this._buffer.lines.length; }
+  public getLine(y: number): IBufferLineApi | undefined {
+    const line = this._buffer.lines.get(y);
+    if (!line) {
+      return undefined;
+    }
+    return new BufferLineApiView(line);
+  }
+  public getNullCell(): IBufferCellApi { return new CellData(); }
+}
diff --git a/web/public/node_modules/xterm/src/common/public/BufferLineApiView.ts b/web/public/node_modules/xterm/src/common/public/BufferLineApiView.ts
new file mode 100644
index 000000000..60375015d
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/public/BufferLineApiView.ts
@@ -0,0 +1,29 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { CellData } from 'common/buffer/CellData';
+import { IBufferLine, ICellData } from 'common/Types';
+import { IBufferCell as IBufferCellApi, IBufferLine as IBufferLineApi } from 'xterm';
+
+export class BufferLineApiView implements IBufferLineApi {
+  constructor(private _line: IBufferLine) { }
+
+  public get isWrapped(): boolean { return this._line.isWrapped; }
+  public get length(): number { return this._line.length; }
+  public getCell(x: number, cell?: IBufferCellApi): IBufferCellApi | undefined {
+    if (x < 0 || x >= this._line.length) {
+      return undefined;
+    }
+
+    if (cell) {
+      this._line.loadCell(x, cell as ICellData);
+      return cell;
+    }
+    return this._line.loadCell(x, new CellData());
+  }
+  public translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string {
+    return this._line.translateToString(trimRight, startColumn, endColumn);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/public/BufferNamespaceApi.ts b/web/public/node_modules/xterm/src/common/public/BufferNamespaceApi.ts
new file mode 100644
index 000000000..aeaa4ac84
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/public/BufferNamespaceApi.ts
@@ -0,0 +1,36 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IBuffer as IBufferApi, IBufferNamespace as IBufferNamespaceApi } from 'xterm';
+import { BufferApiView } from 'common/public/BufferApiView';
+import { EventEmitter } from 'common/EventEmitter';
+import { ICoreTerminal } from 'common/Types';
+import { Disposable } from 'common/Lifecycle';
+
+export class BufferNamespaceApi extends Disposable implements IBufferNamespaceApi {
+  private _normal: BufferApiView;
+  private _alternate: BufferApiView;
+
+  private readonly _onBufferChange = this.register(new EventEmitter<IBufferApi>());
+  public readonly onBufferChange = this._onBufferChange.event;
+
+  constructor(private _core: ICoreTerminal) {
+    super();
+    this._normal = new BufferApiView(this._core.buffers.normal, 'normal');
+    this._alternate = new BufferApiView(this._core.buffers.alt, 'alternate');
+    this._core.buffers.onBufferActivate(() => this._onBufferChange.fire(this.active));
+  }
+  public get active(): IBufferApi {
+    if (this._core.buffers.active === this._core.buffers.normal) { return this.normal; }
+    if (this._core.buffers.active === this._core.buffers.alt) { return this.alternate; }
+    throw new Error('Active buffer is neither normal nor alternate');
+  }
+  public get normal(): IBufferApi {
+    return this._normal.init(this._core.buffers.normal);
+  }
+  public get alternate(): IBufferApi {
+    return this._alternate.init(this._core.buffers.alt);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/public/ParserApi.ts b/web/public/node_modules/xterm/src/common/public/ParserApi.ts
new file mode 100644
index 000000000..67df4be53
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/public/ParserApi.ts
@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IParams } from 'common/parser/Types';
+import { IDisposable, IFunctionIdentifier, IParser } from 'xterm';
+import { ICoreTerminal } from 'common/Types';
+
+export class ParserApi implements IParser {
+  constructor(private _core: ICoreTerminal) { }
+
+  public registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerCsiHandler(id, (params: IParams) => callback(params.toArray()));
+  }
+  public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this.registerCsiHandler(id, callback);
+  }
+  public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray()));
+  }
+  public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable {
+    return this.registerDcsHandler(id, callback);
+  }
+  public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerEscHandler(id, handler);
+  }
+  public addEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable {
+    return this.registerEscHandler(id, handler);
+  }
+  public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this._core.registerOscHandler(ident, callback);
+  }
+  public addOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable {
+    return this.registerOscHandler(ident, callback);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/public/UnicodeApi.ts b/web/public/node_modules/xterm/src/common/public/UnicodeApi.ts
new file mode 100644
index 000000000..8a669a052
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/public/UnicodeApi.ts
@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2021 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICoreTerminal } from 'common/Types';
+import { IUnicodeHandling, IUnicodeVersionProvider } from 'xterm';
+
+export class UnicodeApi implements IUnicodeHandling {
+  constructor(private _core: ICoreTerminal) { }
+
+  public register(provider: IUnicodeVersionProvider): void {
+    this._core.unicodeService.register(provider);
+  }
+
+  public get versions(): string[] {
+    return this._core.unicodeService.versions;
+  }
+
+  public get activeVersion(): string {
+    return this._core.unicodeService.activeVersion;
+  }
+
+  public set activeVersion(version: string) {
+    this._core.unicodeService.activeVersion = version;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/BufferService.ts b/web/public/node_modules/xterm/src/common/services/BufferService.ts
new file mode 100644
index 000000000..d20d0ceac
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/BufferService.ts
@@ -0,0 +1,151 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IAttributeData, IBufferLine, ScrollSource } from 'common/Types';
+import { BufferSet } from 'common/buffer/BufferSet';
+import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IBufferService, IOptionsService } from 'common/services/Services';
+
+export const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars
+export const MINIMUM_ROWS = 1;
+
+export class BufferService extends Disposable implements IBufferService {
+  public serviceBrand: any;
+
+  public cols: number;
+  public rows: number;
+  public buffers: IBufferSet;
+  /** Whether the user is scrolling (locks the scroll position) */
+  public isUserScrolling: boolean = false;
+
+  private readonly _onResize = this.register(new EventEmitter<{ cols: number, rows: number }>());
+  public readonly onResize = this._onResize.event;
+  private readonly _onScroll = this.register(new EventEmitter<number>());
+  public readonly onScroll = this._onScroll.event;
+
+  public get buffer(): IBuffer { return this.buffers.active; }
+
+  /** An IBufferline to clone/copy from for new blank lines */
+  private _cachedBlankLine: IBufferLine | undefined;
+
+  constructor(@IOptionsService optionsService: IOptionsService) {
+    super();
+    this.cols = Math.max(optionsService.rawOptions.cols || 0, MINIMUM_COLS);
+    this.rows = Math.max(optionsService.rawOptions.rows || 0, MINIMUM_ROWS);
+    this.buffers = this.register(new BufferSet(optionsService, this));
+  }
+
+  public resize(cols: number, rows: number): void {
+    this.cols = cols;
+    this.rows = rows;
+    this.buffers.resize(cols, rows);
+    // TODO: This doesn't fire when scrollback changes - add a resize event to BufferSet and forward
+    //       event
+    this._onResize.fire({ cols, rows });
+  }
+
+  public reset(): void {
+    this.buffers.reset();
+    this.isUserScrolling = false;
+  }
+
+  /**
+   * Scroll the terminal down 1 row, creating a blank line.
+   * @param eraseAttr The attribute data to use the for blank line.
+   * @param isWrapped Whether the new line is wrapped from the previous line.
+   */
+  public scroll(eraseAttr: IAttributeData, isWrapped: boolean = false): void {
+    const buffer = this.buffer;
+
+    let newLine: IBufferLine | undefined;
+    newLine = this._cachedBlankLine;
+    if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {
+      newLine = buffer.getBlankLine(eraseAttr, isWrapped);
+      this._cachedBlankLine = newLine;
+    }
+    newLine.isWrapped = isWrapped;
+
+    const topRow = buffer.ybase + buffer.scrollTop;
+    const bottomRow = buffer.ybase + buffer.scrollBottom;
+
+    if (buffer.scrollTop === 0) {
+      // Determine whether the buffer is going to be trimmed after insertion.
+      const willBufferBeTrimmed = buffer.lines.isFull;
+
+      // Insert the line using the fastest method
+      if (bottomRow === buffer.lines.length - 1) {
+        if (willBufferBeTrimmed) {
+          buffer.lines.recycle().copyFrom(newLine);
+        } else {
+          buffer.lines.push(newLine.clone());
+        }
+      } else {
+        buffer.lines.splice(bottomRow + 1, 0, newLine.clone());
+      }
+
+      // Only adjust ybase and ydisp when the buffer is not trimmed
+      if (!willBufferBeTrimmed) {
+        buffer.ybase++;
+        // Only scroll the ydisp with ybase if the user has not scrolled up
+        if (!this.isUserScrolling) {
+          buffer.ydisp++;
+        }
+      } else {
+        // When the buffer is full and the user has scrolled up, keep the text
+        // stable unless ydisp is right at the top
+        if (this.isUserScrolling) {
+          buffer.ydisp = Math.max(buffer.ydisp - 1, 0);
+        }
+      }
+    } else {
+      // scrollTop is non-zero which means no line will be going to the
+      // scrollback, instead we can just shift them in-place.
+      const scrollRegionHeight = bottomRow - topRow + 1 /* as it's zero-based */;
+      buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);
+      buffer.lines.set(bottomRow, newLine.clone());
+    }
+
+    // Move the viewport to the bottom of the buffer unless the user is
+    // scrolling.
+    if (!this.isUserScrolling) {
+      buffer.ydisp = buffer.ybase;
+    }
+
+    this._onScroll.fire(buffer.ydisp);
+  }
+
+  /**
+   * Scroll the display of the terminal
+   * @param disp The number of lines to scroll down (negative scroll up).
+   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used
+   * to avoid unwanted events being handled by the viewport when the event was triggered from the
+   * viewport originally.
+   */
+  public scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void {
+    const buffer = this.buffer;
+    if (disp < 0) {
+      if (buffer.ydisp === 0) {
+        return;
+      }
+      this.isUserScrolling = true;
+    } else if (disp + buffer.ydisp >= buffer.ybase) {
+      this.isUserScrolling = false;
+    }
+
+    const oldYdisp = buffer.ydisp;
+    buffer.ydisp = Math.max(Math.min(buffer.ydisp + disp, buffer.ybase), 0);
+
+    // No change occurred, don't trigger scroll/refresh
+    if (oldYdisp === buffer.ydisp) {
+      return;
+    }
+
+    if (!suppressScrollEvent) {
+      this._onScroll.fire(buffer.ydisp);
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/CharsetService.ts b/web/public/node_modules/xterm/src/common/services/CharsetService.ts
new file mode 100644
index 000000000..c5381065a
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/CharsetService.ts
@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { ICharsetService } from 'common/services/Services';
+import { ICharset } from 'common/Types';
+
+export class CharsetService implements ICharsetService {
+  public serviceBrand: any;
+
+  public charset: ICharset | undefined;
+  public glevel: number = 0;
+
+  private _charsets: (ICharset | undefined)[] = [];
+
+  public reset(): void {
+    this.charset = undefined;
+    this._charsets = [];
+    this.glevel = 0;
+  }
+
+  public setgLevel(g: number): void {
+    this.glevel = g;
+    this.charset = this._charsets[g];
+  }
+
+  public setgCharset(g: number, charset: ICharset | undefined): void {
+    this._charsets[g] = charset;
+    if (this.glevel === g) {
+      this.charset = charset;
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/CoreMouseService.ts b/web/public/node_modules/xterm/src/common/services/CoreMouseService.ts
new file mode 100644
index 000000000..fd880a5d9
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/CoreMouseService.ts
@@ -0,0 +1,318 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IBufferService, ICoreService, ICoreMouseService } from 'common/services/Services';
+import { EventEmitter } from 'common/EventEmitter';
+import { ICoreMouseProtocol, ICoreMouseEvent, CoreMouseEncoding, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';
+import { Disposable } from 'common/Lifecycle';
+
+/**
+ * Supported default protocols.
+ */
+const DEFAULT_PROTOCOLS: { [key: string]: ICoreMouseProtocol } = {
+  /**
+   * NONE
+   * Events: none
+   * Modifiers: none
+   */
+  NONE: {
+    events: CoreMouseEventType.NONE,
+    restrict: () => false
+  },
+  /**
+   * X10
+   * Events: mousedown
+   * Modifiers: none
+   */
+  X10: {
+    events: CoreMouseEventType.DOWN,
+    restrict: (e: ICoreMouseEvent) => {
+      // no wheel, no move, no up
+      if (e.button === CoreMouseButton.WHEEL || e.action !== CoreMouseAction.DOWN) {
+        return false;
+      }
+      // no modifiers
+      e.ctrl = false;
+      e.alt = false;
+      e.shift = false;
+      return true;
+    }
+  },
+  /**
+   * VT200
+   * Events: mousedown / mouseup / wheel
+   * Modifiers: all
+   */
+  VT200: {
+    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL,
+    restrict: (e: ICoreMouseEvent) => {
+      // no move
+      if (e.action === CoreMouseAction.MOVE) {
+        return false;
+      }
+      return true;
+    }
+  },
+  /**
+   * DRAG
+   * Events: mousedown / mouseup / wheel / mousedrag
+   * Modifiers: all
+   */
+  DRAG: {
+    events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL | CoreMouseEventType.DRAG,
+    restrict: (e: ICoreMouseEvent) => {
+      // no move without button
+      if (e.action === CoreMouseAction.MOVE && e.button === CoreMouseButton.NONE) {
+        return false;
+      }
+      return true;
+    }
+  },
+  /**
+   * ANY
+   * Events: all mouse related events
+   * Modifiers: all
+   */
+  ANY: {
+    events:
+      CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL
+      | CoreMouseEventType.DRAG | CoreMouseEventType.MOVE,
+    restrict: (e: ICoreMouseEvent) => true
+  }
+};
+
+const enum Modifiers {
+  SHIFT = 4,
+  ALT = 8,
+  CTRL = 16
+}
+
+// helper for default encoders to generate the event code.
+function eventCode(e: ICoreMouseEvent, isSGR: boolean): number {
+  let code = (e.ctrl ? Modifiers.CTRL : 0) | (e.shift ? Modifiers.SHIFT : 0) | (e.alt ? Modifiers.ALT : 0);
+  if (e.button === CoreMouseButton.WHEEL) {
+    code |= 64;
+    code |= e.action;
+  } else {
+    code |= e.button & 3;
+    if (e.button & 4) {
+      code |= 64;
+    }
+    if (e.button & 8) {
+      code |= 128;
+    }
+    if (e.action === CoreMouseAction.MOVE) {
+      code |= CoreMouseAction.MOVE;
+    } else if (e.action === CoreMouseAction.UP && !isSGR) {
+      // special case - only SGR can report button on release
+      // all others have to go with NONE
+      code |= CoreMouseButton.NONE;
+    }
+  }
+  return code;
+}
+
+const S = String.fromCharCode;
+
+/**
+ * Supported default encodings.
+ */
+const DEFAULT_ENCODINGS: { [key: string]: CoreMouseEncoding } = {
+  /**
+   * DEFAULT - CSI M Pb Px Py
+   * Single byte encoding for coords and event code.
+   * Can encode values up to 223 (1-based).
+   */
+  DEFAULT: (e: ICoreMouseEvent) => {
+    const params = [eventCode(e, false) + 32, e.col + 32, e.row + 32];
+    // supress mouse report if we exceed addressible range
+    // Note this is handled differently by emulators
+    // - xterm:         sends 0;0 coords instead
+    // - vte, konsole:  no report
+    if (params[0] > 255 || params[1] > 255 || params[2] > 255) {
+      return '';
+    }
+    return `\x1b[M${S(params[0])}${S(params[1])}${S(params[2])}`;
+  },
+  /**
+   * SGR - CSI < Pb ; Px ; Py M|m
+   * No encoding limitation.
+   * Can report button on release and works with a well formed sequence.
+   */
+  SGR: (e: ICoreMouseEvent) => {
+    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';
+    return `\x1b[<${eventCode(e, true)};${e.col};${e.row}${final}`;
+  },
+  SGR_PIXELS: (e: ICoreMouseEvent) => {
+    const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';
+    return `\x1b[<${eventCode(e, true)};${e.x};${e.y}${final}`;
+  }
+};
+
+/**
+ * CoreMouseService
+ *
+ * Provides mouse tracking reports with different protocols and encodings.
+ *  - protocols: NONE (default), X10, VT200, DRAG, ANY
+ *  - encodings: DEFAULT, SGR (UTF8, URXVT removed in #2507)
+ *
+ * Custom protocols/encodings can be added by `addProtocol` / `addEncoding`.
+ * To activate a protocol/encoding, set `activeProtocol` / `activeEncoding`.
+ * Switching a protocol will send a notification event `onProtocolChange`
+ * with a list of needed events to track.
+ *
+ * The service handles the mouse tracking state and decides whether to send
+ * a tracking report to the backend based on protocol and encoding limitations.
+ * To send a mouse event call `triggerMouseEvent`.
+ */
+export class CoreMouseService extends Disposable implements ICoreMouseService {
+  private _protocols: { [name: string]: ICoreMouseProtocol } = {};
+  private _encodings: { [name: string]: CoreMouseEncoding } = {};
+  private _activeProtocol: string = '';
+  private _activeEncoding: string = '';
+  private _lastEvent: ICoreMouseEvent | null = null;
+
+  private readonly _onProtocolChange = this.register(new EventEmitter<CoreMouseEventType>());
+  public readonly onProtocolChange =  this._onProtocolChange.event;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreService private readonly _coreService: ICoreService
+  ) {
+    super();
+    // register default protocols and encodings
+    for (const name of Object.keys(DEFAULT_PROTOCOLS)) this.addProtocol(name, DEFAULT_PROTOCOLS[name]);
+    for (const name of Object.keys(DEFAULT_ENCODINGS)) this.addEncoding(name, DEFAULT_ENCODINGS[name]);
+    // call reset to set defaults
+    this.reset();
+  }
+
+  public addProtocol(name: string, protocol: ICoreMouseProtocol): void {
+    this._protocols[name] = protocol;
+  }
+
+  public addEncoding(name: string, encoding: CoreMouseEncoding): void {
+    this._encodings[name] = encoding;
+  }
+
+  public get activeProtocol(): string {
+    return this._activeProtocol;
+  }
+
+  public get areMouseEventsActive(): boolean {
+    return this._protocols[this._activeProtocol].events !== 0;
+  }
+
+  public set activeProtocol(name: string) {
+    if (!this._protocols[name]) {
+      throw new Error(`unknown protocol "${name}"`);
+    }
+    this._activeProtocol = name;
+    this._onProtocolChange.fire(this._protocols[name].events);
+  }
+
+  public get activeEncoding(): string {
+    return this._activeEncoding;
+  }
+
+  public set activeEncoding(name: string) {
+    if (!this._encodings[name]) {
+      throw new Error(`unknown encoding "${name}"`);
+    }
+    this._activeEncoding = name;
+  }
+
+  public reset(): void {
+    this.activeProtocol = 'NONE';
+    this.activeEncoding = 'DEFAULT';
+    this._lastEvent = null;
+  }
+
+  /**
+   * Triggers a mouse event to be sent.
+   *
+   * Returns true if the event passed all protocol restrictions and a report
+   * was sent, otherwise false. The return value may be used to decide whether
+   * the default event action in the bowser component should be omitted.
+   *
+   * Note: The method will change values of the given event object
+   * to fullfill protocol and encoding restrictions.
+   */
+  public triggerMouseEvent(e: ICoreMouseEvent): boolean {
+    // range check for col/row
+    if (e.col < 0 || e.col >= this._bufferService.cols
+      || e.row < 0 || e.row >= this._bufferService.rows) {
+      return false;
+    }
+
+    // filter nonsense combinations of button + action
+    if (e.button === CoreMouseButton.WHEEL && e.action === CoreMouseAction.MOVE) {
+      return false;
+    }
+    if (e.button === CoreMouseButton.NONE && e.action !== CoreMouseAction.MOVE) {
+      return false;
+    }
+    if (e.button !== CoreMouseButton.WHEEL && (e.action === CoreMouseAction.LEFT || e.action === CoreMouseAction.RIGHT)) {
+      return false;
+    }
+
+    // report 1-based coords
+    e.col++;
+    e.row++;
+
+    // debounce move events at grid or pixel level
+    if (e.action === CoreMouseAction.MOVE
+      && this._lastEvent
+      && this._equalEvents(this._lastEvent, e, this._activeEncoding === 'SGR_PIXELS')
+    ) {
+      return false;
+    }
+
+    // apply protocol restrictions
+    if (!this._protocols[this._activeProtocol].restrict(e)) {
+      return false;
+    }
+
+    // encode report and send
+    const report = this._encodings[this._activeEncoding](e);
+    if (report) {
+      // always send DEFAULT as binary data
+      if (this._activeEncoding === 'DEFAULT') {
+        this._coreService.triggerBinaryEvent(report);
+      } else {
+        this._coreService.triggerDataEvent(report, true);
+      }
+    }
+
+    this._lastEvent = e;
+
+    return true;
+  }
+
+  public explainEvents(events: CoreMouseEventType): { [event: string]: boolean } {
+    return {
+      down: !!(events & CoreMouseEventType.DOWN),
+      up: !!(events & CoreMouseEventType.UP),
+      drag: !!(events & CoreMouseEventType.DRAG),
+      move: !!(events & CoreMouseEventType.MOVE),
+      wheel: !!(events & CoreMouseEventType.WHEEL)
+    };
+  }
+
+  private _equalEvents(e1: ICoreMouseEvent, e2: ICoreMouseEvent, pixels: boolean): boolean {
+    if (pixels) {
+      if (e1.x !== e2.x) return false;
+      if (e1.y !== e2.y) return false;
+    } else {
+      if (e1.col !== e2.col) return false;
+      if (e1.row !== e2.row) return false;
+    }
+    if (e1.button !== e2.button) return false;
+    if (e1.action !== e2.action) return false;
+    if (e1.ctrl !== e2.ctrl) return false;
+    if (e1.alt !== e2.alt) return false;
+    if (e1.shift !== e2.shift) return false;
+    return true;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/CoreService.ts b/web/public/node_modules/xterm/src/common/services/CoreService.ts
new file mode 100644
index 000000000..71985a179
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/CoreService.ts
@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { clone } from 'common/Clone';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { IDecPrivateModes, IModes } from 'common/Types';
+import { IBufferService, ICoreService, ILogService, IOptionsService } from 'common/services/Services';
+
+const DEFAULT_MODES: IModes = Object.freeze({
+  insertMode: false
+});
+
+const DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({
+  applicationCursorKeys: false,
+  applicationKeypad: false,
+  bracketedPasteMode: false,
+  origin: false,
+  reverseWraparound: false,
+  sendFocus: false,
+  wraparound: true // defaults: xterm - true, vt100 - false
+});
+
+export class CoreService extends Disposable implements ICoreService {
+  public serviceBrand: any;
+
+  public isCursorInitialized: boolean = false;
+  public isCursorHidden: boolean = false;
+  public modes: IModes;
+  public decPrivateModes: IDecPrivateModes;
+
+  private readonly _onData = this.register(new EventEmitter<string>());
+  public readonly onData = this._onData.event;
+  private readonly _onUserInput = this.register(new EventEmitter<void>());
+  public readonly onUserInput = this._onUserInput.event;
+  private readonly _onBinary = this.register(new EventEmitter<string>());
+  public readonly onBinary = this._onBinary.event;
+  private readonly _onRequestScrollToBottom = this.register(new EventEmitter<void>());
+  public readonly onRequestScrollToBottom = this._onRequestScrollToBottom.event;
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ILogService private readonly _logService: ILogService,
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+    this.modes = clone(DEFAULT_MODES);
+    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);
+  }
+
+  public reset(): void {
+    this.modes = clone(DEFAULT_MODES);
+    this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);
+  }
+
+  public triggerDataEvent(data: string, wasUserInput: boolean = false): void {
+    // Prevents all events to pty process if stdin is disabled
+    if (this._optionsService.rawOptions.disableStdin) {
+      return;
+    }
+
+    // Input is being sent to the terminal, the terminal should focus the prompt.
+    const buffer = this._bufferService.buffer;
+    if (wasUserInput && this._optionsService.rawOptions.scrollOnUserInput && buffer.ybase !== buffer.ydisp) {
+      this._onRequestScrollToBottom.fire();
+    }
+
+    // Fire onUserInput so listeners can react as well (eg. clear selection)
+    if (wasUserInput) {
+      this._onUserInput.fire();
+    }
+
+    // Fire onData API
+    this._logService.debug(`sending data "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
+    this._onData.fire(data);
+  }
+
+  public triggerBinaryEvent(data: string): void {
+    if (this._optionsService.rawOptions.disableStdin) {
+      return;
+    }
+    this._logService.debug(`sending binary "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
+    this._onBinary.fire(data);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/DecorationService.ts b/web/public/node_modules/xterm/src/common/services/DecorationService.ts
new file mode 100644
index 000000000..36faa5094
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/DecorationService.ts
@@ -0,0 +1,140 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { css } from 'common/Color';
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IDecorationService, IInternalDecoration } from 'common/services/Services';
+import { SortedList } from 'common/SortedList';
+import { IColor } from 'common/Types';
+import { IDecoration, IDecorationOptions, IMarker } from 'xterm';
+
+// Work variables to avoid garbage collection
+let $xmin = 0;
+let $xmax = 0;
+
+export class DecorationService extends Disposable implements IDecorationService {
+  public serviceBrand: any;
+
+  /**
+   * A list of all decorations, sorted by the marker's line value. This relies on the fact that
+   * while marker line values do change, they should all change by the same amount so this should
+   * never become out of order.
+   */
+  private readonly _decorations: SortedList<IInternalDecoration> = new SortedList(e => e?.marker.line);
+
+  private readonly _onDecorationRegistered = this.register(new EventEmitter<IInternalDecoration>());
+  public readonly onDecorationRegistered = this._onDecorationRegistered.event;
+  private readonly _onDecorationRemoved = this.register(new EventEmitter<IInternalDecoration>());
+  public readonly onDecorationRemoved = this._onDecorationRemoved.event;
+
+  public get decorations(): IterableIterator<IInternalDecoration> { return this._decorations.values(); }
+
+  constructor() {
+    super();
+
+    this.register(toDisposable(() => this.reset()));
+  }
+
+  public registerDecoration(options: IDecorationOptions): IDecoration | undefined {
+    if (options.marker.isDisposed) {
+      return undefined;
+    }
+    const decoration = new Decoration(options);
+    if (decoration) {
+      const markerDispose = decoration.marker.onDispose(() => decoration.dispose());
+      decoration.onDispose(() => {
+        if (decoration) {
+          if (this._decorations.delete(decoration)) {
+            this._onDecorationRemoved.fire(decoration);
+          }
+          markerDispose.dispose();
+        }
+      });
+      this._decorations.insert(decoration);
+      this._onDecorationRegistered.fire(decoration);
+    }
+    return decoration;
+  }
+
+  public reset(): void {
+    for (const d of this._decorations.values()) {
+      d.dispose();
+    }
+    this._decorations.clear();
+  }
+
+  public *getDecorationsAtCell(x: number, line: number, layer?: 'bottom' | 'top'): IterableIterator<IInternalDecoration> {
+    let xmin = 0;
+    let xmax = 0;
+    for (const d of this._decorations.getKeyIterator(line)) {
+      xmin = d.options.x ?? 0;
+      xmax = xmin + (d.options.width ?? 1);
+      if (x >= xmin && x < xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {
+        yield d;
+      }
+    }
+  }
+
+  public forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void {
+    this._decorations.forEachByKey(line, d => {
+      $xmin = d.options.x ?? 0;
+      $xmax = $xmin + (d.options.width ?? 1);
+      if (x >= $xmin && x < $xmax && (!layer || (d.options.layer ?? 'bottom') === layer)) {
+        callback(d);
+      }
+    });
+  }
+}
+
+class Decoration extends Disposable implements IInternalDecoration {
+  public readonly marker: IMarker;
+  public element: HTMLElement | undefined;
+  public get isDisposed(): boolean { return this._isDisposed; }
+
+  public readonly onRenderEmitter = this.register(new EventEmitter<HTMLElement>());
+  public readonly onRender = this.onRenderEmitter.event;
+  private readonly _onDispose = this.register(new EventEmitter<void>());
+  public readonly onDispose = this._onDispose.event;
+
+  private _cachedBg: IColor | undefined | null = null;
+  public get backgroundColorRGB(): IColor | undefined {
+    if (this._cachedBg === null) {
+      if (this.options.backgroundColor) {
+        this._cachedBg = css.toColor(this.options.backgroundColor);
+      } else {
+        this._cachedBg = undefined;
+      }
+    }
+    return this._cachedBg;
+  }
+
+  private _cachedFg: IColor | undefined | null = null;
+  public get foregroundColorRGB(): IColor | undefined {
+    if (this._cachedFg === null) {
+      if (this.options.foregroundColor) {
+        this._cachedFg = css.toColor(this.options.foregroundColor);
+      } else {
+        this._cachedFg = undefined;
+      }
+    }
+    return this._cachedFg;
+  }
+
+  constructor(
+    public readonly options: IDecorationOptions
+  ) {
+    super();
+    this.marker = options.marker;
+    if (this.options.overviewRulerOptions && !this.options.overviewRulerOptions.position) {
+      this.options.overviewRulerOptions.position = 'full';
+    }
+  }
+
+  public override dispose(): void {
+    this._onDispose.fire();
+    super.dispose();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/InstantiationService.ts b/web/public/node_modules/xterm/src/common/services/InstantiationService.ts
new file mode 100644
index 000000000..375e442de
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/InstantiationService.ts
@@ -0,0 +1,85 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).
+ */
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IInstantiationService, IServiceIdentifier } from 'common/services/Services';
+import { getServiceDependencies } from 'common/services/ServiceRegistry';
+
+export class ServiceCollection {
+
+  private _entries = new Map<IServiceIdentifier<any>, any>();
+
+  constructor(...entries: [IServiceIdentifier<any>, any][]) {
+    for (const [id, service] of entries) {
+      this.set(id, service);
+    }
+  }
+
+  public set<T>(id: IServiceIdentifier<T>, instance: T): T {
+    const result = this._entries.get(id);
+    this._entries.set(id, instance);
+    return result;
+  }
+
+  public forEach(callback: (id: IServiceIdentifier<any>, instance: any) => any): void {
+    for (const [key, value] of this._entries.entries()) {
+      callback(key, value);
+    }
+  }
+
+  public has(id: IServiceIdentifier<any>): boolean {
+    return this._entries.has(id);
+  }
+
+  public get<T>(id: IServiceIdentifier<T>): T | undefined {
+    return this._entries.get(id);
+  }
+}
+
+export class InstantiationService implements IInstantiationService {
+  public serviceBrand: undefined;
+
+  private readonly _services: ServiceCollection = new ServiceCollection();
+
+  constructor() {
+    this._services.set(IInstantiationService, this);
+  }
+
+  public setService<T>(id: IServiceIdentifier<T>, instance: T): void {
+    this._services.set(id, instance);
+  }
+
+  public getService<T>(id: IServiceIdentifier<T>): T | undefined {
+    return this._services.get(id);
+  }
+
+  public createInstance<T>(ctor: any, ...args: any[]): T {
+    const serviceDependencies = getServiceDependencies(ctor).sort((a, b) => a.index - b.index);
+
+    const serviceArgs: any[] = [];
+    for (const dependency of serviceDependencies) {
+      const service = this._services.get(dependency.id);
+      if (!service) {
+        throw new Error(`[createInstance] ${ctor.name} depends on UNKNOWN service ${dependency.id}.`);
+      }
+      serviceArgs.push(service);
+    }
+
+    const firstServiceArgPos = serviceDependencies.length > 0 ? serviceDependencies[0].index : args.length;
+
+    // check for argument mismatches, adjust static args if needed
+    if (args.length !== firstServiceArgPos) {
+      throw new Error(`[createInstance] First service dependency of ${ctor.name} at position ${firstServiceArgPos + 1} conflicts with ${args.length} static arguments`);
+    }
+
+    // now create the instance
+    return new ctor(...[...args, ...serviceArgs]);
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/LogService.ts b/web/public/node_modules/xterm/src/common/services/LogService.ts
new file mode 100644
index 000000000..b3a7450c6
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/LogService.ts
@@ -0,0 +1,124 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { Disposable } from 'common/Lifecycle';
+import { ILogService, IOptionsService, LogLevelEnum } from 'common/services/Services';
+
+type LogType = (message?: any, ...optionalParams: any[]) => void;
+
+interface IConsole {
+  log: LogType;
+  error: LogType;
+  info: LogType;
+  trace: LogType;
+  warn: LogType;
+}
+
+// console is available on both node.js and browser contexts but the common
+// module doesn't depend on them so we need to explicitly declare it.
+declare const console: IConsole;
+
+const optionsKeyToLogLevel: { [key: string]: LogLevelEnum } = {
+  trace: LogLevelEnum.TRACE,
+  debug: LogLevelEnum.DEBUG,
+  info: LogLevelEnum.INFO,
+  warn: LogLevelEnum.WARN,
+  error: LogLevelEnum.ERROR,
+  off: LogLevelEnum.OFF
+};
+
+const LOG_PREFIX = 'xterm.js: ';
+
+export class LogService extends Disposable implements ILogService {
+  public serviceBrand: any;
+
+  private _logLevel: LogLevelEnum = LogLevelEnum.OFF;
+  public get logLevel(): LogLevelEnum { return this._logLevel; }
+
+  constructor(
+    @IOptionsService private readonly _optionsService: IOptionsService
+  ) {
+    super();
+    this._updateLogLevel();
+    this.register(this._optionsService.onSpecificOptionChange('logLevel', () => this._updateLogLevel()));
+
+    // For trace logging, assume the latest created log service is valid
+    traceLogger = this;
+  }
+
+  private _updateLogLevel(): void {
+    this._logLevel = optionsKeyToLogLevel[this._optionsService.rawOptions.logLevel];
+  }
+
+  private _evalLazyOptionalParams(optionalParams: any[]): void {
+    for (let i = 0; i < optionalParams.length; i++) {
+      if (typeof optionalParams[i] === 'function') {
+        optionalParams[i] = optionalParams[i]();
+      }
+    }
+  }
+
+  private _log(type: LogType, message: string, optionalParams: any[]): void {
+    this._evalLazyOptionalParams(optionalParams);
+    type.call(console, (this._optionsService.options.logger ? '' : LOG_PREFIX) + message, ...optionalParams);
+  }
+
+  public trace(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.TRACE) {
+      this._log(this._optionsService.options.logger?.trace.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);
+    }
+  }
+
+  public debug(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.DEBUG) {
+      this._log(this._optionsService.options.logger?.debug.bind(this._optionsService.options.logger) ?? console.log, message, optionalParams);
+    }
+  }
+
+  public info(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.INFO) {
+      this._log(this._optionsService.options.logger?.info.bind(this._optionsService.options.logger) ?? console.info, message, optionalParams);
+    }
+  }
+
+  public warn(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.WARN) {
+      this._log(this._optionsService.options.logger?.warn.bind(this._optionsService.options.logger) ?? console.warn, message, optionalParams);
+    }
+  }
+
+  public error(message: string, ...optionalParams: any[]): void {
+    if (this._logLevel <= LogLevelEnum.ERROR) {
+      this._log(this._optionsService.options.logger?.error.bind(this._optionsService.options.logger) ?? console.error, message, optionalParams);
+    }
+  }
+}
+
+let traceLogger: ILogService;
+export function setTraceLogger(logger: ILogService): void {
+  traceLogger = logger;
+}
+
+/**
+ * A decorator that can be used to automatically log trace calls to the decorated function.
+ */
+export function traceCall(_target: any, key: string, descriptor: any): any {
+  if (typeof descriptor.value !== 'function') {
+    throw new Error('not supported');
+  }
+  const fnKey = 'value';
+  const fn = descriptor.value;
+  descriptor[fnKey] = function (...args: any[]) {
+    // Early exit
+    if (traceLogger.logLevel !== LogLevelEnum.TRACE) {
+      return fn.apply(this, args);
+    }
+
+    traceLogger.trace(`GlyphRenderer#${fn.name}(${args.map(e => JSON.stringify(e)).join(', ')})`);
+    const result = fn.apply(this, args);
+    traceLogger.trace(`GlyphRenderer#${fn.name} return`, result);
+    return result;
+  };
+}
diff --git a/web/public/node_modules/xterm/src/common/services/OptionsService.ts b/web/public/node_modules/xterm/src/common/services/OptionsService.ts
new file mode 100644
index 000000000..3c572445e
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/OptionsService.ts
@@ -0,0 +1,201 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { EventEmitter } from 'common/EventEmitter';
+import { Disposable } from 'common/Lifecycle';
+import { isMac } from 'common/Platform';
+import { CursorStyle, IDisposable } from 'common/Types';
+import { FontWeight, IOptionsService, ITerminalOptions } from 'common/services/Services';
+
+export const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {
+  cols: 80,
+  rows: 24,
+  cursorBlink: false,
+  cursorStyle: 'block',
+  cursorWidth: 1,
+  cursorInactiveStyle: 'outline',
+  customGlyphs: true,
+  drawBoldTextInBrightColors: true,
+  fastScrollModifier: 'alt',
+  fastScrollSensitivity: 5,
+  fontFamily: 'courier-new, courier, monospace',
+  fontSize: 15,
+  fontWeight: 'normal',
+  fontWeightBold: 'bold',
+  ignoreBracketedPasteMode: false,
+  lineHeight: 1.0,
+  letterSpacing: 0,
+  linkHandler: null,
+  logLevel: 'info',
+  logger: null,
+  scrollback: 1000,
+  scrollOnUserInput: true,
+  scrollSensitivity: 1,
+  screenReaderMode: false,
+  smoothScrollDuration: 0,
+  macOptionIsMeta: false,
+  macOptionClickForcesSelection: false,
+  minimumContrastRatio: 1,
+  disableStdin: false,
+  allowProposedApi: false,
+  allowTransparency: false,
+  tabStopWidth: 8,
+  theme: {},
+  rightClickSelectsWord: isMac,
+  windowOptions: {},
+  windowsMode: false,
+  windowsPty: {},
+  wordSeparator: ' ()[]{}\',"`',
+  altClickMovesCursor: true,
+  convertEol: false,
+  termName: 'xterm',
+  cancelEvents: false,
+  overviewRulerWidth: 0
+};
+
+const FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'];
+
+export class OptionsService extends Disposable implements IOptionsService {
+  public serviceBrand: any;
+
+  public readonly rawOptions: Required<ITerminalOptions>;
+  public options: Required<ITerminalOptions>;
+
+  private readonly _onOptionChange = this.register(new EventEmitter<keyof ITerminalOptions>());
+  public readonly onOptionChange = this._onOptionChange.event;
+
+  constructor(options: Partial<ITerminalOptions>) {
+    super();
+    // set the default value of each option
+    const defaultOptions = { ...DEFAULT_OPTIONS };
+    for (const key in options) {
+      if (key in defaultOptions) {
+        try {
+          const newValue = options[key];
+          defaultOptions[key] = this._sanitizeAndValidateOption(key, newValue);
+        } catch (e) {
+          console.error(e);
+        }
+      }
+    }
+
+    // set up getters and setters for each option
+    this.rawOptions = defaultOptions;
+    this.options = { ... defaultOptions };
+    this._setupOptions();
+  }
+
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  public onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (value: ITerminalOptions[T]) => any): IDisposable {
+    return this.onOptionChange(eventKey => {
+      if (eventKey === key) {
+        listener(this.rawOptions[key]);
+      }
+    });
+  }
+
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  public onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable {
+    return this.onOptionChange(eventKey => {
+      if (keys.indexOf(eventKey) !== -1) {
+        listener();
+      }
+    });
+  }
+
+  private _setupOptions(): void {
+    const getter = (propName: string): any => {
+      if (!(propName in DEFAULT_OPTIONS)) {
+        throw new Error(`No option with key "${propName}"`);
+      }
+      return this.rawOptions[propName];
+    };
+
+    const setter = (propName: string, value: any): void => {
+      if (!(propName in DEFAULT_OPTIONS)) {
+        throw new Error(`No option with key "${propName}"`);
+      }
+
+      value = this._sanitizeAndValidateOption(propName, value);
+      // Don't fire an option change event if they didn't change
+      if (this.rawOptions[propName] !== value) {
+        this.rawOptions[propName] = value;
+        this._onOptionChange.fire(propName);
+      }
+    };
+
+    for (const propName in this.rawOptions) {
+      const desc = {
+        get: getter.bind(this, propName),
+        set: setter.bind(this, propName)
+      };
+      Object.defineProperty(this.options, propName, desc);
+    }
+  }
+
+  private _sanitizeAndValidateOption(key: string, value: any): any {
+    switch (key) {
+      case 'cursorStyle':
+        if (!value) {
+          value = DEFAULT_OPTIONS[key];
+        }
+        if (!isCursorStyle(value)) {
+          throw new Error(`"${value}" is not a valid value for ${key}`);
+        }
+        break;
+      case 'wordSeparator':
+        if (!value) {
+          value = DEFAULT_OPTIONS[key];
+        }
+        break;
+      case 'fontWeight':
+      case 'fontWeightBold':
+        if (typeof value === 'number' && 1 <= value && value <= 1000) {
+          // already valid numeric value
+          break;
+        }
+        value = FONT_WEIGHT_OPTIONS.includes(value) ? value : DEFAULT_OPTIONS[key];
+        break;
+      case 'cursorWidth':
+        value = Math.floor(value);
+        // Fall through for bounds check
+      case 'lineHeight':
+      case 'tabStopWidth':
+        if (value < 1) {
+          throw new Error(`${key} cannot be less than 1, value: ${value}`);
+        }
+        break;
+      case 'minimumContrastRatio':
+        value = Math.max(1, Math.min(21, Math.round(value * 10) / 10));
+        break;
+      case 'scrollback':
+        value = Math.min(value, 4294967295);
+        if (value < 0) {
+          throw new Error(`${key} cannot be less than 0, value: ${value}`);
+        }
+        break;
+      case 'fastScrollSensitivity':
+      case 'scrollSensitivity':
+        if (value <= 0) {
+          throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`);
+        }
+        break;
+      case 'rows':
+      case 'cols':
+        if (!value && value !== 0) {
+          throw new Error(`${key} must be numeric, value: ${value}`);
+        }
+        break;
+      case 'windowsPty':
+        value = value ?? {};
+        break;
+    }
+    return value;
+  }
+}
+
+function isCursorStyle(value: unknown): value is CursorStyle {
+  return value === 'block' || value === 'underline' || value === 'bar';
+}
diff --git a/web/public/node_modules/xterm/src/common/services/OscLinkService.ts b/web/public/node_modules/xterm/src/common/services/OscLinkService.ts
new file mode 100644
index 000000000..13bd8aa4b
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/OscLinkService.ts
@@ -0,0 +1,115 @@
+/**
+ * Copyright (c) 2022 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { IBufferService, IOscLinkService } from 'common/services/Services';
+import { IMarker, IOscLinkData } from 'common/Types';
+
+export class OscLinkService implements IOscLinkService {
+  public serviceBrand: any;
+
+  private _nextId = 1;
+
+  /**
+   * A map of the link key to link entry. This is used to add additional lines to links with ids.
+   */
+  private _entriesWithId: Map<string, IOscLinkEntryWithId> = new Map();
+
+  /**
+   * A map of the link id to the link entry. The "link id" (number) which is the numberic
+   * representation of a unique link should not be confused with "id" (string) which comes in with
+   * `id=` in the OSC link's properties.
+   */
+  private _dataByLinkId: Map<number, IOscLinkEntryNoId | IOscLinkEntryWithId> = new Map();
+
+  constructor(
+    @IBufferService private readonly _bufferService: IBufferService
+  ) {
+  }
+
+  public registerLink(data: IOscLinkData): number {
+    const buffer = this._bufferService.buffer;
+
+    // Links with no id will only ever be registered a single time
+    if (data.id === undefined) {
+      const marker = buffer.addMarker(buffer.ybase + buffer.y);
+      const entry: IOscLinkEntryNoId = {
+        data,
+        id: this._nextId++,
+        lines: [marker]
+      };
+      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));
+      this._dataByLinkId.set(entry.id, entry);
+      return entry.id;
+    }
+
+    // Add the line to the link if it already exists
+    const castData = data as Required<IOscLinkData>;
+    const key = this._getEntryIdKey(castData);
+    const match = this._entriesWithId.get(key);
+    if (match) {
+      this.addLineToLink(match.id, buffer.ybase + buffer.y);
+      return match.id;
+    }
+
+    // Create the link
+    const marker = buffer.addMarker(buffer.ybase + buffer.y);
+    const entry: IOscLinkEntryWithId = {
+      id: this._nextId++,
+      key: this._getEntryIdKey(castData),
+      data: castData,
+      lines: [marker]
+    };
+    marker.onDispose(() => this._removeMarkerFromLink(entry, marker));
+    this._entriesWithId.set(entry.key, entry);
+    this._dataByLinkId.set(entry.id, entry);
+    return entry.id;
+  }
+
+  public addLineToLink(linkId: number, y: number): void {
+    const entry = this._dataByLinkId.get(linkId);
+    if (!entry) {
+      return;
+    }
+    if (entry.lines.every(e => e.line !== y)) {
+      const marker = this._bufferService.buffer.addMarker(y);
+      entry.lines.push(marker);
+      marker.onDispose(() => this._removeMarkerFromLink(entry, marker));
+    }
+  }
+
+  public getLinkData(linkId: number): IOscLinkData | undefined {
+    return this._dataByLinkId.get(linkId)?.data;
+  }
+
+  private _getEntryIdKey(linkData: Required<IOscLinkData>): string {
+    return `${linkData.id};;${linkData.uri}`;
+  }
+
+  private _removeMarkerFromLink(entry: IOscLinkEntryNoId | IOscLinkEntryWithId, marker: IMarker): void {
+    const index = entry.lines.indexOf(marker);
+    if (index === -1) {
+      return;
+    }
+    entry.lines.splice(index, 1);
+    if (entry.lines.length === 0) {
+      if (entry.data.id !== undefined) {
+        this._entriesWithId.delete((entry as IOscLinkEntryWithId).key);
+      }
+      this._dataByLinkId.delete(entry.id);
+    }
+  }
+}
+
+interface IOscLinkEntry<T extends IOscLinkData> {
+  data: T;
+  id: number;
+  lines: IMarker[];
+}
+
+interface IOscLinkEntryNoId extends IOscLinkEntry<IOscLinkData> {
+}
+
+interface IOscLinkEntryWithId extends IOscLinkEntry<Required<IOscLinkData>> {
+  key: string;
+}
diff --git a/web/public/node_modules/xterm/src/common/services/ServiceRegistry.ts b/web/public/node_modules/xterm/src/common/services/ServiceRegistry.ts
new file mode 100644
index 000000000..6510fb8e0
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/ServiceRegistry.ts
@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).
+ */
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IServiceIdentifier } from 'common/services/Services';
+
+const DI_TARGET = 'di$target';
+const DI_DEPENDENCIES = 'di$dependencies';
+
+export const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();
+
+export function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {
+  return ctor[DI_DEPENDENCIES] || [];
+}
+
+export function createDecorator<T>(id: string): IServiceIdentifier<T> {
+  if (serviceRegistry.has(id)) {
+    return serviceRegistry.get(id)!;
+  }
+
+  const decorator: any = function (target: Function, key: string, index: number): any {
+    if (arguments.length !== 3) {
+      throw new Error('@IServiceName-decorator can only be used to decorate a parameter');
+    }
+
+    storeServiceDependency(decorator, target, index);
+  };
+
+  decorator.toString = () => id;
+
+  serviceRegistry.set(id, decorator);
+  return decorator;
+}
+
+function storeServiceDependency(id: Function, target: Function, index: number): void {
+  if ((target as any)[DI_TARGET] === target) {
+    (target as any)[DI_DEPENDENCIES].push({ id, index });
+  } else {
+    (target as any)[DI_DEPENDENCIES] = [{ id, index }];
+    (target as any)[DI_TARGET] = target;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/common/services/Services.ts b/web/public/node_modules/xterm/src/common/services/Services.ts
new file mode 100644
index 000000000..b4ee5a762
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/Services.ts
@@ -0,0 +1,342 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent, IEventEmitter } from 'common/EventEmitter';
+import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColor, CursorStyle, CursorInactiveStyle, IOscLinkData } from 'common/Types';
+import { createDecorator } from 'common/services/ServiceRegistry';
+import { IDecorationOptions, IDecoration, ILinkHandler, IWindowsPty, ILogger } from 'xterm';
+
+export const IBufferService = createDecorator<IBufferService>('BufferService');
+export interface IBufferService {
+  serviceBrand: undefined;
+
+  readonly cols: number;
+  readonly rows: number;
+  readonly buffer: IBuffer;
+  readonly buffers: IBufferSet;
+  isUserScrolling: boolean;
+  onResize: IEvent<{ cols: number, rows: number }>;
+  onScroll: IEvent<number>;
+  scroll(eraseAttr: IAttributeData, isWrapped?: boolean): void;
+  scrollLines(disp: number, suppressScrollEvent?: boolean, source?: ScrollSource): void;
+  resize(cols: number, rows: number): void;
+  reset(): void;
+}
+
+export const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');
+export interface ICoreMouseService {
+  activeProtocol: string;
+  activeEncoding: string;
+  areMouseEventsActive: boolean;
+  addProtocol(name: string, protocol: ICoreMouseProtocol): void;
+  addEncoding(name: string, encoding: CoreMouseEncoding): void;
+  reset(): void;
+
+  /**
+   * Triggers a mouse event to be sent.
+   *
+   * Returns true if the event passed all protocol restrictions and a report
+   * was sent, otherwise false. The return value may be used to decide whether
+   * the default event action in the bowser component should be omitted.
+   *
+   * Note: The method will change values of the given event object
+   * to fullfill protocol and encoding restrictions.
+   */
+  triggerMouseEvent(event: ICoreMouseEvent): boolean;
+
+  /**
+   * Event to announce changes in mouse tracking.
+   */
+  onProtocolChange: IEvent<CoreMouseEventType>;
+
+  /**
+   * Human readable version of mouse events.
+   */
+  explainEvents(events: CoreMouseEventType): { [event: string]: boolean };
+}
+
+export const ICoreService = createDecorator<ICoreService>('CoreService');
+export interface ICoreService {
+  serviceBrand: undefined;
+
+  /**
+   * Initially the cursor will not be visible until the first time the terminal
+   * is focused.
+   */
+  isCursorInitialized: boolean;
+  isCursorHidden: boolean;
+
+  readonly modes: IModes;
+  readonly decPrivateModes: IDecPrivateModes;
+
+  readonly onData: IEvent<string>;
+  readonly onUserInput: IEvent<void>;
+  readonly onBinary: IEvent<string>;
+  readonly onRequestScrollToBottom: IEvent<void>;
+
+  reset(): void;
+
+  /**
+   * Triggers the onData event in the public API.
+   * @param data The data that is being emitted.
+   * @param wasUserInput Whether the data originated from the user (as opposed to
+   * resulting from parsing incoming data). When true this will also:
+   * - Scroll to the bottom of the buffer if option scrollOnUserInput is true.
+   * - Fire the `onUserInput` event (so selection can be cleared).
+   */
+  triggerDataEvent(data: string, wasUserInput?: boolean): void;
+
+  /**
+   * Triggers the onBinary event in the public API.
+   * @param data The data that is being emitted.
+   */
+  triggerBinaryEvent(data: string): void;
+}
+
+export const ICharsetService = createDecorator<ICharsetService>('CharsetService');
+export interface ICharsetService {
+  serviceBrand: undefined;
+
+  charset: ICharset | undefined;
+  readonly glevel: number;
+
+  reset(): void;
+
+  /**
+   * Set the G level of the terminal.
+   * @param g
+   */
+  setgLevel(g: number): void;
+
+  /**
+   * Set the charset for the given G level of the terminal.
+   * @param g
+   * @param charset
+   */
+  setgCharset(g: number, charset: ICharset | undefined): void;
+}
+
+export interface IServiceIdentifier<T> {
+  (...args: any[]): void;
+  type: T;
+}
+
+export interface IBrandedService {
+  serviceBrand: undefined;
+}
+
+type GetLeadingNonServiceArgs<TArgs extends any[]> = TArgs extends [] ? []
+  : TArgs extends [...infer TFirst, infer TLast] ? TLast extends IBrandedService ? GetLeadingNonServiceArgs<TFirst> : TArgs
+    : never;
+
+export const IInstantiationService = createDecorator<IInstantiationService>('InstantiationService');
+export interface IInstantiationService {
+  serviceBrand: undefined;
+
+  setService<T>(id: IServiceIdentifier<T>, instance: T): void;
+  getService<T>(id: IServiceIdentifier<T>): T | undefined;
+  createInstance<Ctor extends new (...args: any[]) => any, R extends InstanceType<Ctor>>(t: Ctor, ...args: GetLeadingNonServiceArgs<ConstructorParameters<Ctor>>): R;
+}
+
+export enum LogLevelEnum {
+  TRACE = 0,
+  DEBUG = 1,
+  INFO = 2,
+  WARN = 3,
+  ERROR = 4,
+  OFF = 5
+}
+
+export const ILogService = createDecorator<ILogService>('LogService');
+export interface ILogService {
+  serviceBrand: undefined;
+
+  readonly logLevel: LogLevelEnum;
+
+  trace(message: any, ...optionalParams: any[]): void;
+  debug(message: any, ...optionalParams: any[]): void;
+  info(message: any, ...optionalParams: any[]): void;
+  warn(message: any, ...optionalParams: any[]): void;
+  error(message: any, ...optionalParams: any[]): void;
+}
+
+export const IOptionsService = createDecorator<IOptionsService>('OptionsService');
+export interface IOptionsService {
+  serviceBrand: undefined;
+
+  /**
+   * Read only access to the raw options object, this is an internal-only fast path for accessing
+   * single options without any validation as we trust TypeScript to enforce correct usage
+   * internally.
+   */
+  readonly rawOptions: Required<ITerminalOptions>;
+
+  /**
+   * Options as exposed through the public API, this property uses getters and setters with
+   * validation which makes it safer but slower. {@link rawOptions} should be used for pretty much
+   * all internal usage for performance reasons.
+   */
+  readonly options: Required<ITerminalOptions>;
+
+  /**
+   * Adds an event listener for when any option changes.
+   */
+  readonly onOptionChange: IEvent<keyof ITerminalOptions>;
+
+  /**
+   * Adds an event listener for when a specific option changes, this is a convenience method that is
+   * preferred over {@link onOptionChange} when only a single option is being listened to.
+   */
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  onSpecificOptionChange<T extends keyof ITerminalOptions>(key: T, listener: (arg1: Required<ITerminalOptions>[T]) => any): IDisposable;
+
+  /**
+   * Adds an event listener for when a set of specific options change, this is a convenience method
+   * that is preferred over {@link onOptionChange} when multiple options are being listened to and
+   * handled the same way.
+   */
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  onMultipleOptionChange(keys: (keyof ITerminalOptions)[], listener: () => any): IDisposable;
+}
+
+export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;
+export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';
+
+export interface ITerminalOptions {
+  allowProposedApi?: boolean;
+  allowTransparency?: boolean;
+  altClickMovesCursor?: boolean;
+  cols?: number;
+  convertEol?: boolean;
+  cursorBlink?: boolean;
+  cursorStyle?: CursorStyle;
+  cursorWidth?: number;
+  cursorInactiveStyle?: CursorInactiveStyle;
+  customGlyphs?: boolean;
+  disableStdin?: boolean;
+  drawBoldTextInBrightColors?: boolean;
+  fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';
+  fastScrollSensitivity?: number;
+  fontSize?: number;
+  fontFamily?: string;
+  fontWeight?: FontWeight;
+  fontWeightBold?: FontWeight;
+  ignoreBracketedPasteMode?: boolean;
+  letterSpacing?: number;
+  lineHeight?: number;
+  linkHandler?: ILinkHandler | null;
+  logLevel?: LogLevel;
+  logger?: ILogger | null;
+  macOptionIsMeta?: boolean;
+  macOptionClickForcesSelection?: boolean;
+  minimumContrastRatio?: number;
+  rightClickSelectsWord?: boolean;
+  rows?: number;
+  screenReaderMode?: boolean;
+  scrollback?: number;
+  scrollOnUserInput?: boolean;
+  scrollSensitivity?: number;
+  smoothScrollDuration?: number;
+  tabStopWidth?: number;
+  theme?: ITheme;
+  windowsMode?: boolean;
+  windowsPty?: IWindowsPty;
+  windowOptions?: IWindowOptions;
+  wordSeparator?: string;
+  overviewRulerWidth?: number;
+
+  [key: string]: any;
+  cancelEvents: boolean;
+  termName: string;
+}
+
+export interface ITheme {
+  foreground?: string;
+  background?: string;
+  cursor?: string;
+  cursorAccent?: string;
+  selectionForeground?: string;
+  selectionBackground?: string;
+  selectionInactiveBackground?: string;
+  black?: string;
+  red?: string;
+  green?: string;
+  yellow?: string;
+  blue?: string;
+  magenta?: string;
+  cyan?: string;
+  white?: string;
+  brightBlack?: string;
+  brightRed?: string;
+  brightGreen?: string;
+  brightYellow?: string;
+  brightBlue?: string;
+  brightMagenta?: string;
+  brightCyan?: string;
+  brightWhite?: string;
+  extendedAnsi?: string[];
+}
+
+export const IOscLinkService = createDecorator<IOscLinkService>('OscLinkService');
+export interface IOscLinkService {
+  serviceBrand: undefined;
+  /**
+   * Registers a link to the service, returning the link ID. The link data is managed by this
+   * service and will be freed when this current cursor position is trimmed off the buffer.
+   */
+  registerLink(linkData: IOscLinkData): number;
+  /**
+   * Adds a line to a link if needed.
+   */
+  addLineToLink(linkId: number, y: number): void;
+  /** Get the link data associated with a link ID. */
+  getLinkData(linkId: number): IOscLinkData | undefined;
+}
+
+export const IUnicodeService = createDecorator<IUnicodeService>('UnicodeService');
+export interface IUnicodeService {
+  serviceBrand: undefined;
+  /** Register an Unicode version provider. */
+  register(provider: IUnicodeVersionProvider): void;
+  /** Registered Unicode versions. */
+  readonly versions: string[];
+  /** Currently active version. */
+  activeVersion: string;
+  /** Event triggered, when activate version changed. */
+  readonly onChange: IEvent<string>;
+
+  /**
+   * Unicode version dependent
+   */
+  wcwidth(codepoint: number): number;
+  getStringCellWidth(s: string): number;
+}
+
+export interface IUnicodeVersionProvider {
+  readonly version: string;
+  wcwidth(ucs: number): 0 | 1 | 2;
+}
+
+export const IDecorationService = createDecorator<IDecorationService>('DecorationService');
+export interface IDecorationService extends IDisposable {
+  serviceBrand: undefined;
+  readonly decorations: IterableIterator<IInternalDecoration>;
+  readonly onDecorationRegistered: IEvent<IInternalDecoration>;
+  readonly onDecorationRemoved: IEvent<IInternalDecoration>;
+  registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;
+  reset(): void;
+  /**
+   * Trigger a callback over the decoration at a cell (in no particular order). This uses a callback
+   * instead of an iterator as it's typically used in hot code paths.
+   */
+  forEachDecorationAtCell(x: number, line: number, layer: 'bottom' | 'top' | undefined, callback: (decoration: IInternalDecoration) => void): void;
+}
+export interface IInternalDecoration extends IDecoration {
+  readonly options: IDecorationOptions;
+  readonly backgroundColorRGB: IColor | undefined;
+  readonly foregroundColorRGB: IColor | undefined;
+  readonly onRenderEmitter: IEventEmitter<HTMLElement>;
+}
diff --git a/web/public/node_modules/xterm/src/common/services/UnicodeService.ts b/web/public/node_modules/xterm/src/common/services/UnicodeService.ts
new file mode 100644
index 000000000..4f3596d2d
--- /dev/null
+++ b/web/public/node_modules/xterm/src/common/services/UnicodeService.ts
@@ -0,0 +1,86 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+import { EventEmitter } from 'common/EventEmitter';
+import { UnicodeV6 } from 'common/input/UnicodeV6';
+import { IUnicodeService, IUnicodeVersionProvider } from 'common/services/Services';
+
+export class UnicodeService implements IUnicodeService {
+  public serviceBrand: any;
+
+  private _providers: {[key: string]: IUnicodeVersionProvider} = Object.create(null);
+  private _active: string = '';
+  private _activeProvider: IUnicodeVersionProvider;
+
+  private readonly _onChange = new EventEmitter<string>();
+  public readonly onChange = this._onChange.event;
+
+  constructor() {
+    const defaultProvider = new UnicodeV6();
+    this.register(defaultProvider);
+    this._active = defaultProvider.version;
+    this._activeProvider = defaultProvider;
+  }
+
+  public dispose(): void {
+    this._onChange.dispose();
+  }
+
+  public get versions(): string[] {
+    return Object.keys(this._providers);
+  }
+
+  public get activeVersion(): string {
+    return this._active;
+  }
+
+  public set activeVersion(version: string) {
+    if (!this._providers[version]) {
+      throw new Error(`unknown Unicode version "${version}"`);
+    }
+    this._active = version;
+    this._activeProvider = this._providers[version];
+    this._onChange.fire(version);
+  }
+
+  public register(provider: IUnicodeVersionProvider): void {
+    this._providers[provider.version] = provider;
+  }
+
+  /**
+   * Unicode version dependent interface.
+   */
+  public wcwidth(num: number): number {
+    return this._activeProvider.wcwidth(num);
+  }
+
+  public getStringCellWidth(s: string): number {
+    let result = 0;
+    const length = s.length;
+    for (let i = 0; i < length; ++i) {
+      let code = s.charCodeAt(i);
+      // surrogate pair first
+      if (0xD800 <= code && code <= 0xDBFF) {
+        if (++i >= length) {
+          // this should not happen with strings retrieved from
+          // Buffer.translateToString as it converts from UTF-32
+          // and therefore always should contain the second part
+          // for any other string we still have to handle it somehow:
+          // simply treat the lonely surrogate first as a single char (UCS-2 behavior)
+          return result + this.wcwidth(code);
+        }
+        const second = s.charCodeAt(i);
+        // convert surrogate pair to high codepoint only for valid second part (UTF-16)
+        // otherwise treat them independently (UCS-2 behavior)
+        if (0xDC00 <= second && second <= 0xDFFF) {
+          code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+        } else {
+          result += this.wcwidth(second);
+        }
+      }
+      result += this.wcwidth(code);
+    }
+    return result;
+  }
+}
diff --git a/web/public/node_modules/xterm/src/headless/Terminal.ts b/web/public/node_modules/xterm/src/headless/Terminal.ts
new file mode 100644
index 000000000..18000c8f7
--- /dev/null
+++ b/web/public/node_modules/xterm/src/headless/Terminal.ts
@@ -0,0 +1,136 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ *
+ * Terminal Emulation References:
+ *   http://vt100.net/
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
+ *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
+ *   http://invisible-island.net/vttest/
+ *   http://www.inwap.com/pdp10/ansicode.txt
+ *   http://linux.die.net/man/4/console_codes
+ *   http://linux.die.net/man/7/urxvt
+ */
+
+import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { IBuffer } from 'common/buffer/Types';
+import { CoreTerminal } from 'common/CoreTerminal';
+import { EventEmitter, forwardEvent } from 'common/EventEmitter';
+import { IMarker, ITerminalOptions, ScrollSource } from 'common/Types';
+
+export class Terminal extends CoreTerminal {
+  private readonly _onBell = this.register(new EventEmitter<void>());
+  public readonly onBell = this._onBell.event;
+  private readonly _onCursorMove = this.register(new EventEmitter<void>());
+  public readonly onCursorMove = this._onCursorMove.event;
+  private readonly _onTitleChange = this.register(new EventEmitter<string>());
+  public readonly onTitleChange = this._onTitleChange.event;
+  private readonly _onA11yCharEmitter = this.register(new EventEmitter<string>());
+  public readonly onA11yChar = this._onA11yCharEmitter.event;
+  private readonly _onA11yTabEmitter = this.register(new EventEmitter<number>());
+  public readonly onA11yTab = this._onA11yTabEmitter.event;
+
+  constructor(
+    options: ITerminalOptions = {}
+  ) {
+    super(options);
+
+    this._setup();
+
+    // Setup InputHandler listeners
+    this.register(this._inputHandler.onRequestBell(() => this.bell()));
+    this.register(this._inputHandler.onRequestReset(() => this.reset()));
+    this.register(forwardEvent(this._inputHandler.onCursorMove, this._onCursorMove));
+    this.register(forwardEvent(this._inputHandler.onTitleChange, this._onTitleChange));
+    this.register(forwardEvent(this._inputHandler.onA11yChar, this._onA11yCharEmitter));
+    this.register(forwardEvent(this._inputHandler.onA11yTab, this._onA11yTabEmitter));
+  }
+
+  /**
+   * Convenience property to active buffer.
+   */
+  public get buffer(): IBuffer {
+    return this.buffers.active;
+  }
+
+  // TODO: Support paste here?
+
+  public get markers(): IMarker[] {
+    return this.buffer.markers;
+  }
+
+  public addMarker(cursorYOffset: number): IMarker | undefined {
+    // Disallow markers on the alt buffer
+    if (this.buffer !== this.buffers.normal) {
+      return;
+    }
+
+    return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);
+  }
+
+  public bell(): void {
+    this._onBell.fire();
+  }
+
+  /**
+   * Resizes the terminal.
+   *
+   * @param x The number of columns to resize to.
+   * @param y The number of rows to resize to.
+   */
+  public resize(x: number, y: number): void {
+    if (x === this.cols && y === this.rows) {
+      return;
+    }
+
+    super.resize(x, y);
+  }
+
+  /**
+   * Clear the entire buffer, making the prompt line the new first line.
+   */
+  public clear(): void {
+    if (this.buffer.ybase === 0 && this.buffer.y === 0) {
+      // Don't clear if it's already clear
+      return;
+    }
+    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);
+    this.buffer.lines.length = 1;
+    this.buffer.ydisp = 0;
+    this.buffer.ybase = 0;
+    this.buffer.y = 0;
+    for (let i = 1; i < this.rows; i++) {
+      this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));
+    }
+    this._onScroll.fire({ position: this.buffer.ydisp, source: ScrollSource.TERMINAL });
+  }
+
+  /**
+   * Reset terminal.
+   * Note: Calling this directly from JS is synchronous but does not clear
+   * input buffers and does not reset the parser, thus the terminal will
+   * continue to apply pending input data.
+   * If you need in band reset (synchronous with input data) consider
+   * using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).
+   */
+  public reset(): void {
+    /**
+     * Since _setup handles a full terminal creation, we have to carry forward
+     * a few things that should not reset.
+     */
+    this.options.rows = this.rows;
+    this.options.cols = this.cols;
+
+    this._setup();
+    super.reset();
+  }
+}
diff --git a/web/public/node_modules/xterm/src/headless/public/Terminal.ts b/web/public/node_modules/xterm/src/headless/public/Terminal.ts
new file mode 100644
index 000000000..b018d37ca
--- /dev/null
+++ b/web/public/node_modules/xterm/src/headless/public/Terminal.ts
@@ -0,0 +1,195 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IEvent } from 'common/EventEmitter';
+import { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';
+import { ParserApi } from 'common/public/ParserApi';
+import { UnicodeApi } from 'common/public/UnicodeApi';
+import { IBufferNamespace as IBufferNamespaceApi, IMarker, IModes, IParser, ITerminalAddon, ITerminalInitOnlyOptions, IUnicodeHandling, Terminal as ITerminalApi } from 'xterm-headless';
+import { Terminal as TerminalCore } from 'headless/Terminal';
+import { AddonManager } from 'common/public/AddonManager';
+import { ITerminalOptions } from 'common/Types';
+import { Disposable } from 'common/Lifecycle';
+/**
+ * The set of options that only have an effect when set in the Terminal constructor.
+ */
+const CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];
+
+export class Terminal extends Disposable implements ITerminalApi {
+  private _core: TerminalCore;
+  private _addonManager: AddonManager;
+  private _parser: IParser | undefined;
+  private _buffer: BufferNamespaceApi | undefined;
+  private _publicOptions: Required<ITerminalOptions>;
+
+  constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions) {
+    super();
+
+    this._core = this.register(new TerminalCore(options));
+    this._addonManager = this.register(new AddonManager());
+
+    this._publicOptions = { ... this._core.options };
+    const getter = (propName: string): any => {
+      return this._core.options[propName];
+    };
+    const setter = (propName: string, value: any): void => {
+      this._checkReadonlyOptions(propName);
+      this._core.options[propName] = value;
+    };
+
+    for (const propName in this._core.options) {
+      Object.defineProperty(this._publicOptions, propName, {
+        get: () => {
+          return this._core.options[propName];
+        },
+        set: (value: any) => {
+          this._checkReadonlyOptions(propName);
+          this._core.options[propName] = value;
+        }
+      });
+      const desc = {
+        get: getter.bind(this, propName),
+        set: setter.bind(this, propName)
+      };
+      Object.defineProperty(this._publicOptions, propName, desc);
+    }
+  }
+
+  private _checkReadonlyOptions(propName: string): void {
+    // Throw an error if any constructor only option is modified
+    // from terminal.options
+    // Modifications from anywhere else are allowed
+    if (CONSTRUCTOR_ONLY_OPTIONS.includes(propName)) {
+      throw new Error(`Option "${propName}" can only be set in the constructor`);
+    }
+  }
+
+  private _checkProposedApi(): void {
+    if (!this._core.optionsService.options.allowProposedApi) {
+      throw new Error('You must set the allowProposedApi option to true to use proposed API');
+    }
+  }
+
+  public get onBell(): IEvent<void> { return this._core.onBell; }
+  public get onBinary(): IEvent<string> { return this._core.onBinary; }
+  public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }
+  public get onData(): IEvent<string> { return this._core.onData; }
+  public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
+  public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }
+  public get onScroll(): IEvent<number> { return this._core.onScroll; }
+  public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
+
+  public get parser(): IParser {
+    this._checkProposedApi();
+    if (!this._parser) {
+      this._parser = new ParserApi(this._core);
+    }
+    return this._parser;
+  }
+  public get unicode(): IUnicodeHandling {
+    this._checkProposedApi();
+    return new UnicodeApi(this._core);
+  }
+  public get rows(): number { return this._core.rows; }
+  public get cols(): number { return this._core.cols; }
+  public get buffer(): IBufferNamespaceApi {
+    this._checkProposedApi();
+    if (!this._buffer) {
+      this._buffer = this.register(new BufferNamespaceApi(this._core));
+    }
+    return this._buffer;
+  }
+  public get markers(): ReadonlyArray<IMarker> {
+    this._checkProposedApi();
+    return this._core.markers;
+  }
+  public get modes(): IModes {
+    const m = this._core.coreService.decPrivateModes;
+    let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';
+    switch (this._core.coreMouseService.activeProtocol) {
+      case 'X10': mouseTrackingMode = 'x10'; break;
+      case 'VT200': mouseTrackingMode = 'vt200'; break;
+      case 'DRAG': mouseTrackingMode = 'drag'; break;
+      case 'ANY': mouseTrackingMode = 'any'; break;
+    }
+    return {
+      applicationCursorKeysMode: m.applicationCursorKeys,
+      applicationKeypadMode: m.applicationKeypad,
+      bracketedPasteMode: m.bracketedPasteMode,
+      insertMode: this._core.coreService.modes.insertMode,
+      mouseTrackingMode: mouseTrackingMode,
+      originMode: m.origin,
+      reverseWraparoundMode: m.reverseWraparound,
+      sendFocusMode: m.sendFocus,
+      wraparoundMode: m.wraparound
+    };
+  }
+  public get options(): Required<ITerminalOptions> {
+    return this._publicOptions;
+  }
+  public set options(options: ITerminalOptions) {
+    for (const propName in options) {
+      this._publicOptions[propName] = options[propName];
+    }
+  }
+  public resize(columns: number, rows: number): void {
+    this._verifyIntegers(columns, rows);
+    this._core.resize(columns, rows);
+  }
+  public registerMarker(cursorYOffset: number = 0): IMarker | undefined {
+    this._checkProposedApi();
+    this._verifyIntegers(cursorYOffset);
+    return this._core.addMarker(cursorYOffset);
+  }
+  public addMarker(cursorYOffset: number): IMarker | undefined {
+    return this.registerMarker(cursorYOffset);
+  }
+  public dispose(): void {
+    super.dispose();
+  }
+  public scrollLines(amount: number): void {
+    this._verifyIntegers(amount);
+    this._core.scrollLines(amount);
+  }
+  public scrollPages(pageCount: number): void {
+    this._verifyIntegers(pageCount);
+    this._core.scrollPages(pageCount);
+  }
+  public scrollToTop(): void {
+    this._core.scrollToTop();
+  }
+  public scrollToBottom(): void {
+    this._core.scrollToBottom();
+  }
+  public scrollToLine(line: number): void {
+    this._verifyIntegers(line);
+    this._core.scrollToLine(line);
+  }
+  public clear(): void {
+    this._core.clear();
+  }
+  public write(data: string | Uint8Array, callback?: () => void): void {
+    this._core.write(data, callback);
+  }
+  public writeln(data: string | Uint8Array, callback?: () => void): void {
+    this._core.write(data);
+    this._core.write('\r\n', callback);
+  }
+  public reset(): void {
+    this._core.reset();
+  }
+  public loadAddon(addon: ITerminalAddon): void {
+    // TODO: This could cause issues if the addon calls renderer apis
+    this._addonManager.loadAddon(this as any, addon);
+  }
+
+  private _verifyIntegers(...values: number[]): void {
+    for (const value of values) {
+      if (value === Infinity || isNaN(value) || value % 1 !== 0) {
+        throw new Error('This API only accepts integers');
+      }
+    }
+  }
+}
diff --git a/web/public/node_modules/xterm/typings/xterm.d.ts b/web/public/node_modules/xterm/typings/xterm.d.ts
new file mode 100644
index 000000000..44402b848
--- /dev/null
+++ b/web/public/node_modules/xterm/typings/xterm.d.ts
@@ -0,0 +1,1844 @@
+/**
+ * @license MIT
+ *
+ * This contains the type declarations for the xterm.js library. Note that
+ * some interfaces differ between this file and the actual implementation in
+ * src/, that's because this file declares the *public* API which is intended
+ * to be stable and consumed by external programs.
+ */
+
+/// <reference lib="dom"/>
+
+declare module 'xterm' {
+  /**
+   * A string or number representing text font weight.
+   */
+  export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;
+
+  /**
+   * A string representing log level.
+   */
+  export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'off';
+
+  /**
+   * An object containing options for the terminal.
+   */
+  export interface ITerminalOptions {
+    /**
+     * Whether to allow the use of proposed API. When false, any usage of APIs
+     * marked as experimental/proposed will throw an error. The default is
+     * false.
+     */
+    allowProposedApi?: boolean;
+
+    /**
+     * Whether background should support non-opaque color. It must be set before
+     * executing the `Terminal.open()` method and can't be changed later without
+     * executing it again. Note that enabling this can negatively impact
+     * performance.
+     */
+    allowTransparency?: boolean;
+
+    /**
+     * If enabled, alt + click will move the prompt cursor to position
+     * underneath the mouse. The default is true.
+     */
+    altClickMovesCursor?: boolean;
+
+    /**
+     * When enabled the cursor will be set to the beginning of the next line
+     * with every new line. This is equivalent to sending '\r\n' for each '\n'.
+     * Normally the termios settings of the underlying PTY deals with the
+     * translation of '\n' to '\r\n' and this setting should not be used. If you
+     * deal with data from a non-PTY related source, this settings might be
+     * useful.
+     */
+    convertEol?: boolean;
+
+    /**
+     * Whether the cursor blinks.
+     */
+    cursorBlink?: boolean;
+
+    /**
+     * The style of the cursor when the terminal is focused.
+     */
+    cursorStyle?: 'block' | 'underline' | 'bar';
+
+    /**
+     * The width of the cursor in CSS pixels when `cursorStyle` is set to 'bar'.
+     */
+    cursorWidth?: number;
+
+    /**
+     * The style of the cursor when the terminal is not focused.
+     */
+    cursorInactiveStyle?: 'outline' | 'block' | 'bar' | 'underline' | 'none';
+
+    /**
+     * Whether to draw custom glyphs for block element and box drawing
+     * characters instead of using the font. This should typically result in
+     * better rendering with continuous lines, even when line height and letter
+     * spacing is used. Note that this doesn't work with the DOM renderer which
+     * renders all characters using the font. The default is true.
+     */
+    customGlyphs?: boolean;
+
+    /**
+     * Whether input should be disabled.
+     */
+    disableStdin?: boolean;
+
+    /**
+     * Whether to draw bold text in bright colors. The default is true.
+     */
+    drawBoldTextInBrightColors?: boolean;
+
+    /**
+     * The modifier key hold to multiply scroll speed.
+     */
+    fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';
+
+    /**
+     * The scroll speed multiplier used for fast scrolling.
+     */
+    fastScrollSensitivity?: number;
+
+    /**
+     * The font size used to render text.
+     */
+    fontSize?: number;
+
+    /**
+     * The font family used to render text.
+     */
+    fontFamily?: string;
+
+    /**
+     * The font weight used to render non-bold text.
+     */
+    fontWeight?: FontWeight;
+
+    /**
+     * The font weight used to render bold text.
+     */
+    fontWeightBold?: FontWeight;
+
+    /**
+     * Whether to ignore the bracketed paste mode. When true, this will always
+     * paste without the `\x1b[200~` and `\x1b[201~` sequences, even when the
+     * shell enables bracketed mode.
+     */
+    ignoreBracketedPasteMode?: boolean;
+
+    /**
+     * The spacing in whole pixels between characters.
+     */
+    letterSpacing?: number;
+
+    /**
+     * The line height used to render text.
+     */
+    lineHeight?: number;
+
+    /**
+     * The handler for OSC 8 hyperlinks. Links will use the `confirm` browser
+     * API with a strongly worded warning if no link handler is set.
+     *
+     * When setting this, consider the security of users opening these links,
+     * at a minimum there should be a tooltip or a prompt when hovering or
+     * activating the link respectively. An example of what might be possible is
+     * a terminal app writing link in the form `javascript:...` that runs some
+     * javascript, a safe approach to prevent that is to validate the link
+     * starts with http(s)://.
+     */
+    linkHandler?: ILinkHandler | null;
+
+    /**
+     * What log level to use, this will log for all levels below and including
+     * what is set:
+     *
+     * 1. trace
+     * 2. debug
+     * 3. info (default)
+     * 4. warn
+     * 5. error
+     * 6. off
+     */
+    logLevel?: LogLevel;
+
+    /**
+     * A logger to use instead of `console`.
+     */
+    logger?: ILogger | null;
+
+    /**
+     * Whether to treat option as the meta key.
+     */
+    macOptionIsMeta?: boolean;
+
+    /**
+     * Whether holding a modifier key will force normal selection behavior,
+     * regardless of whether the terminal is in mouse events mode. This will
+     * also prevent mouse events from being emitted by the terminal. For
+     * example, this allows you to use xterm.js' regular selection inside tmux
+     * with mouse mode enabled.
+     */
+    macOptionClickForcesSelection?: boolean;
+
+    /**
+     * The minimum contrast ratio for text in the terminal, setting this will
+     * change the foreground color dynamically depending on whether the contrast
+     * ratio is met. Example values:
+     *
+     * - 1: The default, do nothing.
+     * - 4.5: Minimum for WCAG AA compliance.
+     * - 7: Minimum for WCAG AAA compliance.
+     * - 21: White on black or black on white.
+     */
+    minimumContrastRatio?: number;
+
+    /**
+     * Whether to select the word under the cursor on right click, this is
+     * standard behavior in a lot of macOS applications.
+     */
+    rightClickSelectsWord?: boolean;
+
+    /**
+     * Whether screen reader support is enabled. When on this will expose
+     * supporting elements in the DOM to support NVDA on Windows and VoiceOver
+     * on macOS.
+     */
+    screenReaderMode?: boolean;
+
+    /**
+     * The amount of scrollback in the terminal. Scrollback is the amount of
+     * rows that are retained when lines are scrolled beyond the initial
+     * viewport.
+     */
+    scrollback?: number;
+
+    /**
+     * Whether to scroll to the bottom whenever there is some user input. The
+     * default is true.
+     */
+    scrollOnUserInput?: boolean;
+
+    /**
+     * The scrolling speed multiplier used for adjusting normal scrolling speed.
+     */
+    scrollSensitivity?: number;
+
+    /**
+     * The duration to smoothly scroll between the origin and the target in
+     * milliseconds. Set to 0 to disable smooth scrolling and scroll instantly.
+     */
+    smoothScrollDuration?: number;
+
+    /**
+     * The size of tab stops in the terminal.
+     */
+    tabStopWidth?: number;
+
+    /**
+     * The color theme of the terminal.
+     */
+    theme?: ITheme;
+
+    /**
+     * Whether "Windows mode" is enabled. Because Windows backends winpty and
+     * conpty operate by doing line wrapping on their side, xterm.js does not
+     * have access to wrapped lines. When Windows mode is enabled the following
+     * changes will be in effect:
+     *
+     * - Reflow is disabled.
+     * - Lines are assumed to be wrapped if the last character of the line is
+     *   not whitespace.
+     *
+     * When using conpty on Windows 11 version >= 21376, it is recommended to
+     * disable this because native text wrapping sequences are output correctly
+     * thanks to https://github.com/microsoft/terminal/issues/405
+     *
+     * @deprecated Use {@link windowsPty}. This value will be ignored if
+     * windowsPty is set.
+     */
+    windowsMode?: boolean;
+
+    /**
+     * Compatibility information when the pty is known to be hosted on Windows.
+     * Setting this will turn on certain heuristics/workarounds depending on the
+     * values:
+     *
+     * - `if (backend !== undefined || buildNumber !== undefined)`
+     *   - When increasing the rows in the terminal, the amount increased into
+     *     the scrollback. This is done because ConPTY does not behave like
+     *     expect scrollback to come back into the viewport, instead it makes
+     *     empty rows at of the viewport. Not having this behavior can result in
+     *     missing data as the rows get replaced.
+     * - `if !(backend === 'conpty' && buildNumber >= 21376)`
+     *   - Reflow is disabled
+     *   - Lines are assumed to be wrapped if the last character of the line is
+     *     not whitespace.
+     */
+    windowsPty?: IWindowsPty;
+
+    /**
+     * A string containing all characters that are considered word separated by
+     * the double click to select work logic.
+     */
+    wordSeparator?: string;
+
+    /**
+     * Enable various window manipulation and report features.
+     * All features are disabled by default for security reasons.
+     */
+    windowOptions?: IWindowOptions;
+
+    /**
+     * The width, in pixels, of the canvas for the overview ruler. The overview
+     * ruler will be hidden when not set.
+     */
+    overviewRulerWidth?: number;
+  }
+
+  /**
+   * An object containing additional options for the terminal that can only be
+   * set on start up.
+   */
+  export interface ITerminalInitOnlyOptions {
+    /**
+     * The number of columns in the terminal.
+     */
+    cols?: number;
+
+    /**
+     * The number of rows in the terminal.
+     */
+    rows?: number;
+  }
+
+  /**
+   * Contains colors to theme the terminal with.
+   */
+  export interface ITheme {
+    /** The default foreground color */
+    foreground?: string;
+    /** The default background color */
+    background?: string;
+    /** The cursor color */
+    cursor?: string;
+    /** The accent color of the cursor (fg color for a block cursor) */
+    cursorAccent?: string;
+    /** The selection background color (can be transparent) */
+    selectionBackground?: string;
+    /** The selection foreground color */
+    selectionForeground?: string;
+    /**
+     * The selection background color when the terminal does not have focus (can
+     * be transparent)
+     */
+    selectionInactiveBackground?: string;
+    /** ANSI black (eg. `\x1b[30m`) */
+    black?: string;
+    /** ANSI red (eg. `\x1b[31m`) */
+    red?: string;
+    /** ANSI green (eg. `\x1b[32m`) */
+    green?: string;
+    /** ANSI yellow (eg. `\x1b[33m`) */
+    yellow?: string;
+    /** ANSI blue (eg. `\x1b[34m`) */
+    blue?: string;
+    /** ANSI magenta (eg. `\x1b[35m`) */
+    magenta?: string;
+    /** ANSI cyan (eg. `\x1b[36m`) */
+    cyan?: string;
+    /** ANSI white (eg. `\x1b[37m`) */
+    white?: string;
+    /** ANSI bright black (eg. `\x1b[1;30m`) */
+    brightBlack?: string;
+    /** ANSI bright red (eg. `\x1b[1;31m`) */
+    brightRed?: string;
+    /** ANSI bright green (eg. `\x1b[1;32m`) */
+    brightGreen?: string;
+    /** ANSI bright yellow (eg. `\x1b[1;33m`) */
+    brightYellow?: string;
+    /** ANSI bright blue (eg. `\x1b[1;34m`) */
+    brightBlue?: string;
+    /** ANSI bright magenta (eg. `\x1b[1;35m`) */
+    brightMagenta?: string;
+    /** ANSI bright cyan (eg. `\x1b[1;36m`) */
+    brightCyan?: string;
+    /** ANSI bright white (eg. `\x1b[1;37m`) */
+    brightWhite?: string;
+    /** ANSI extended colors (16-255) */
+    extendedAnsi?: string[];
+  }
+
+  /**
+   * Pty information for Windows.
+   */
+  export interface IWindowsPty {
+    /**
+     * What pty emulation backend is being used.
+     */
+    backend?: 'conpty' | 'winpty';
+    /**
+     * The Windows build version (eg. 19045)
+     */
+    buildNumber?: number;
+  }
+
+  /**
+   * A replacement logger for `console`.
+   */
+  export interface ILogger {
+    /**
+     * Log a trace message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to trace.
+     */
+    trace(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to debug or below.
+     */
+    debug(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to info or below.
+     */
+    info(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to warn or below.
+     */
+    warn(message: string, ...args: any[]): void;
+    /**
+     * Log a debug message, this will only be called if
+     * {@link ITerminalOptions.logLevel} is set to error or below.
+     */
+    error(message: string | Error, ...args: any[]): void;
+  }
+
+  /**
+   * An object that can be disposed via a dispose function.
+   */
+  export interface IDisposable {
+    dispose(): void;
+  }
+
+  /**
+   * An event that can be listened to.
+   * @returns an `IDisposable` to stop listening.
+   */
+  export interface IEvent<T, U = void> {
+    (listener: (arg1: T, arg2: U) => any): IDisposable;
+  }
+
+  /**
+   * Represents a specific line in the terminal that is tracked when scrollback
+   * is trimmed and lines are added or removed. This is a single line that may
+   * be part of a larger wrapped line.
+   */
+  export interface IMarker extends IDisposableWithEvent {
+    /**
+     * A unique identifier for this marker.
+     */
+    readonly id: number;
+
+    /**
+     * The actual line index in the buffer at this point in time. This is set to
+     * -1 if the marker has been disposed.
+     */
+    readonly line: number;
+  }
+
+  /**
+   * Represents a disposable that tracks is disposed state.
+   */
+  export interface IDisposableWithEvent extends IDisposable {
+    /**
+     * Event listener to get notified when this gets disposed.
+     */
+    onDispose: IEvent<void>;
+
+    /**
+     * Whether this is disposed.
+     */
+    readonly isDisposed: boolean;
+  }
+
+  /**
+   * Represents a decoration in the terminal that is associated with a
+   * particular marker and DOM element.
+   */
+  export interface IDecoration extends IDisposableWithEvent {
+    /*
+     * The marker for the decoration in the terminal.
+     */
+    readonly marker: IMarker;
+
+    /**
+     * An event fired when the decoration
+     * is rendered, returns the dom element
+     * associated with the decoration.
+     */
+    readonly onRender: IEvent<HTMLElement>;
+
+    /**
+     * The element that the decoration is rendered to. This will be undefined
+     * until it is rendered for the first time by {@link IDecoration.onRender}.
+     * that.
+     */
+    element: HTMLElement | undefined;
+
+    /**
+     * The options for the overview ruler that can be updated. This will only
+     * take effect when {@link IDecorationOptions.overviewRulerOptions} were
+     * provided initially.
+     */
+    options: Pick<IDecorationOptions, 'overviewRulerOptions'>;
+  }
+
+
+  /**
+   * Overview ruler decoration options
+   */
+  interface IDecorationOverviewRulerOptions {
+    color: string;
+    position?: 'left' | 'center' | 'right' | 'full';
+  }
+
+  /*
+   * Options that define the presentation of the decoration.
+   */
+  export interface IDecorationOptions {
+    /**
+     * The line in the terminal where
+     * the decoration will be displayed
+     */
+    readonly marker: IMarker;
+
+    /*
+     * Where the decoration will be anchored -
+     * defaults to the left edge
+     */
+    readonly anchor?: 'right' | 'left';
+
+    /**
+     * The x position offset relative to the anchor
+     */
+    readonly x?: number;
+
+
+    /**
+     * The width of the decoration in cells, defaults to 1.
+     */
+    readonly width?: number;
+
+    /**
+     * The height of the decoration in cells, defaults to 1.
+     */
+    readonly height?: number;
+
+    /**
+     * The background color of the cell(s). When 2 decorations both set the
+     * foreground color the last registered decoration will be used. Only the
+     * `#RRGGBB` format is supported.
+     */
+    readonly backgroundColor?: string;
+
+    /**
+     * The foreground color of the cell(s). When 2 decorations both set the
+     * foreground color the last registered decoration will be used. Only the
+     * `#RRGGBB` format is supported.
+     */
+    readonly foregroundColor?: string;
+
+    /**
+     * What layer to render the decoration at when {@link backgroundColor} or
+     * {@link foregroundColor} are used. `'bottom'` will render under the
+     * selection, `'top`' will render above the selection\*.
+     *
+     * *\* The selection will render on top regardless of layer on the canvas
+     * renderer due to how it renders selection separately.*
+     */
+    readonly layer?: 'bottom' | 'top';
+
+    /**
+     * When defined, renders the decoration in the overview ruler to the right
+     * of the terminal. {@link ITerminalOptions.overviewRulerWidth} must be set
+     * in order to see the overview ruler.
+     * @param color The color of the decoration.
+     * @param position The position of the decoration.
+     */
+    overviewRulerOptions?: IDecorationOverviewRulerOptions;
+  }
+
+  /**
+   * The set of localizable strings.
+   */
+  export interface ILocalizableStrings {
+    /**
+     * The aria label for the underlying input textarea for the terminal.
+     */
+    promptLabel: string;
+
+    /**
+     * Announcement for when line reading is suppressed due to too many lines
+     * being printed to the terminal when `screenReaderMode` is enabled.
+     */
+    tooMuchOutput: string;
+  }
+
+  /**
+   * Enable various window manipulation and report features
+   * (`CSI Ps ; Ps ; Ps t`).
+   *
+   * Most settings have no default implementation, as they heavily rely on
+   * the embedding environment.
+   *
+   * To implement a feature, create a custom CSI hook like this:
+   * ```ts
+   * term.parser.addCsiHandler({final: 't'}, params => {
+   *   const ps = params[0];
+   *   switch (ps) {
+   *     case XY:
+   *       ...            // your implementation for option XY
+   *       return true;   // signal Ps=XY was handled
+   *   }
+   *   return false;      // any Ps that was not handled
+   * });
+   * ```
+   *
+   * Note on security:
+   * Most features are meant to deal with some information of the host machine
+   * where the terminal runs on. This is seen as a security risk possibly
+   * leaking sensitive data of the host to the program in the terminal.
+   * Therefore all options (even those without a default implementation) are
+   * guarded by the boolean flag and disabled by default.
+   */
+  export interface IWindowOptions {
+    /**
+     * Ps=1    De-iconify window.
+     * No default implementation.
+     */
+    restoreWin?: boolean;
+    /**
+     * Ps=2    Iconify window.
+     * No default implementation.
+     */
+    minimizeWin?: boolean;
+    /**
+     * Ps=3 ; x ; y
+     * Move window to [x, y].
+     * No default implementation.
+     */
+    setWinPosition?: boolean;
+    /**
+     * Ps = 4 ; height ; width
+     * Resize the window to given `height` and `width` in pixels.
+     * Omitted parameters should reuse the current height or width.
+     * Zero parameters should use the display's height or width.
+     * No default implementation.
+     */
+    setWinSizePixels?: boolean;
+    /**
+     * Ps=5    Raise the window to the front of the stacking order.
+     * No default implementation.
+     */
+    raiseWin?: boolean;
+    /**
+     * Ps=6    Lower the xterm window to the bottom of the stacking order.
+     * No default implementation.
+     */
+    lowerWin?: boolean;
+    /** Ps=7    Refresh the window. */
+    refreshWin?: boolean;
+    /**
+     * Ps = 8 ; height ; width
+     * Resize the text area to given height and width in characters.
+     * Omitted parameters should reuse the current height or width.
+     * Zero parameters use the display's height or width.
+     * No default implementation.
+     */
+    setWinSizeChars?: boolean;
+    /**
+     * Ps=9 ; 0   Restore maximized window.
+     * Ps=9 ; 1   Maximize window (i.e., resize to screen size).
+     * Ps=9 ; 2   Maximize window vertically.
+     * Ps=9 ; 3   Maximize window horizontally.
+     * No default implementation.
+     */
+    maximizeWin?: boolean;
+    /**
+     * Ps=10 ; 0  Undo full-screen mode.
+     * Ps=10 ; 1  Change to full-screen.
+     * Ps=10 ; 2  Toggle full-screen.
+     * No default implementation.
+     */
+    fullscreenWin?: boolean;
+    /** Ps=11   Report xterm window state.
+     * If the xterm window is non-iconified, it returns "CSI 1 t".
+     * If the xterm window is iconified, it returns "CSI 2 t".
+     * No default implementation.
+     */
+    getWinState?: boolean;
+    /**
+     * Ps=13      Report xterm window position. Result is "CSI 3 ; x ; y t".
+     * Ps=13 ; 2  Report xterm text-area position. Result is "CSI 3 ; x ; y t".
+     * No default implementation.
+     */
+    getWinPosition?: boolean;
+    /**
+     * Ps=14      Report xterm text area size in pixels. Result is "CSI 4 ; height ; width t".
+     * Ps=14 ; 2  Report xterm window size in pixels. Result is "CSI  4 ; height ; width t".
+     * Has a default implementation.
+     */
+    getWinSizePixels?: boolean;
+    /**
+     * Ps=15    Report size of the screen in pixels. Result is "CSI 5 ; height ; width t".
+     * No default implementation.
+     */
+    getScreenSizePixels?: boolean;
+    /**
+     * Ps=16  Report xterm character cell size in pixels. Result is "CSI 6 ; height ; width t".
+     * Has a default implementation.
+     */
+    getCellSizePixels?: boolean;
+    /**
+     * Ps=18  Report the size of the text area in characters. Result is "CSI 8 ; height ; width t".
+     * Has a default implementation.
+     */
+    getWinSizeChars?: boolean;
+    /**
+     * Ps=19  Report the size of the screen in characters. Result is "CSI 9 ; height ; width t".
+     * No default implementation.
+     */
+    getScreenSizeChars?: boolean;
+    /**
+     * Ps=20  Report xterm window's icon label. Result is "OSC L label ST".
+     * No default implementation.
+     */
+    getIconTitle?: boolean;
+    /**
+     * Ps=21  Report xterm window's title. Result is "OSC l label ST".
+     * No default implementation.
+     */
+    getWinTitle?: boolean;
+    /**
+     * Ps=22 ; 0  Save xterm icon and window title on stack.
+     * Ps=22 ; 1  Save xterm icon title on stack.
+     * Ps=22 ; 2  Save xterm window title on stack.
+     * All variants have a default implementation.
+     */
+    pushTitle?: boolean;
+    /**
+     * Ps=23 ; 0  Restore xterm icon and window title from stack.
+     * Ps=23 ; 1  Restore xterm icon title from stack.
+     * Ps=23 ; 2  Restore xterm window title from stack.
+     * All variants have a default implementation.
+     */
+    popTitle?: boolean;
+    /**
+     * Ps>=24  Resize to Ps lines (DECSLPP).
+     * DECSLPP is not implemented. This settings is also used to
+     * enable / disable DECCOLM (earlier variant of DECSLPP).
+     */
+    setWinLines?: boolean;
+  }
+
+  /**
+   * The class that represents an xterm.js terminal.
+   */
+  export class Terminal implements IDisposable {
+    /**
+     * The element containing the terminal.
+     */
+    readonly element: HTMLElement | undefined;
+
+    /**
+     * The textarea that accepts input for the terminal.
+     */
+    readonly textarea: HTMLTextAreaElement | undefined;
+
+    /**
+     * The number of rows in the terminal's viewport. Use
+     * `ITerminalOptions.rows` to set this in the constructor and
+     * `Terminal.resize` for when the terminal exists.
+     */
+    readonly rows: number;
+
+    /**
+     * The number of columns in the terminal's viewport. Use
+     * `ITerminalOptions.cols` to set this in the constructor and
+     * `Terminal.resize` for when the terminal exists.
+     */
+    readonly cols: number;
+
+    /**
+     * Access to the terminal's normal and alt buffer.
+     */
+    readonly buffer: IBufferNamespace;
+
+    /**
+     * (EXPERIMENTAL) Get all markers registered against the buffer. If the alt
+     * buffer is active this will always return [].
+     */
+    readonly markers: ReadonlyArray<IMarker>;
+
+    /**
+     * Get the parser interface to register custom escape sequence handlers.
+     */
+    readonly parser: IParser;
+
+    /**
+     * (EXPERIMENTAL) Get the Unicode handling interface
+     * to register and switch Unicode version.
+     */
+    readonly unicode: IUnicodeHandling;
+
+    /**
+     * Gets the terminal modes as set by SM/DECSET.
+     */
+    readonly modes: IModes;
+
+    /**
+     * Gets or sets the terminal options. This supports setting multiple
+     * options.
+     *
+     * @example Get a single option
+     * ```ts
+     * console.log(terminal.options.fontSize);
+     * ```
+     *
+     * @example Set a single option:
+     * ```ts
+     * terminal.options.fontSize = 12;
+     * ```
+     * Note that for options that are object, a new object must be used in order
+     * to take effect as a reference comparison will be done:
+     * ```ts
+     * const newValue = terminal.options.theme;
+     * newValue.background = '#000000';
+     *
+     * // This won't work
+     * terminal.options.theme = newValue;
+     *
+     * // This will work
+     * terminal.options.theme = { ...newValue };
+     * ```
+     *
+     * @example Set multiple options
+     * ```ts
+     * terminal.options = {
+     *   fontSize: 12,
+     *   fontFamily: 'Courier New'
+     * };
+     * ```
+     */
+    options: ITerminalOptions;
+
+    /**
+     * Natural language strings that can be localized.
+     */
+    static strings: ILocalizableStrings;
+
+    /**
+     * Creates a new `Terminal` object.
+     *
+     * @param options An object containing a set of options.
+     */
+    constructor(options?: ITerminalOptions & ITerminalInitOnlyOptions);
+
+    /**
+     * Adds an event listener for when the bell is triggered.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBell: IEvent<void>;
+
+    /**
+     * Adds an event listener for when a binary event fires. This is used to
+     * enable non UTF-8 conformant binary messages to be sent to the backend.
+     * Currently this is only used for a certain type of mouse reports that
+     * happen to be not UTF-8 compatible.
+     * The event value is a JS string, pass it to the underlying pty as
+     * binary data, e.g. `pty.write(Buffer.from(data, 'binary'))`.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBinary: IEvent<string>;
+
+    /**
+     * Adds an event listener for the cursor moves.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onCursorMove: IEvent<void>;
+
+    /**
+     * Adds an event listener for when a data event fires. This happens for
+     * example when the user types or pastes into the terminal. The event value
+     * is whatever `string` results, in a typical setup, this should be passed
+     * on to the backing pty.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onData: IEvent<string>;
+
+    /**
+     * Adds an event listener for when a key is pressed. The event value
+     * contains the string that will be sent in the data event as well as the
+     * DOM event that triggered it.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onKey: IEvent<{ key: string, domEvent: KeyboardEvent }>;
+
+    /**
+     * Adds an event listener for when a line feed is added.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onLineFeed: IEvent<void>;
+
+    /**
+     * Adds an event listener for when rows are rendered. The event value
+     * contains the start row and end rows of the rendered area (ranges from `0`
+     * to `Terminal.rows - 1`).
+     * @returns an `IDisposable` to stop listening.
+     */
+    onRender: IEvent<{ start: number, end: number }>;
+
+    /**
+     * Adds an event listener for when data has been parsed by the terminal,
+     * after {@link write} is called. This event is useful to listen for any
+     * changes in the buffer.
+     *
+     * This fires at most once per frame, after data parsing completes. Note
+     * that this can fire when there are still writes pending if there is a lot
+     * of data.
+     */
+    onWriteParsed: IEvent<void>;
+
+    /**
+     * Adds an event listener for when the terminal is resized. The event value
+     * contains the new size.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onResize: IEvent<{ cols: number, rows: number }>;
+
+    /**
+     * Adds an event listener for when a scroll occurs. The event value is the
+     * new position of the viewport.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onScroll: IEvent<number>;
+
+    /**
+     * Adds an event listener for when a selection change occurs.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onSelectionChange: IEvent<void>;
+
+    /**
+     * Adds an event listener for when an OSC 0 or OSC 2 title change occurs.
+     * The event value is the new title.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onTitleChange: IEvent<string>;
+
+    /**
+     * Unfocus the terminal.
+     */
+    blur(): void;
+
+    /**
+     * Focus the terminal.
+     */
+    focus(): void;
+
+    /**
+     * Resizes the terminal. It's best practice to debounce calls to resize,
+     * this will help ensure that the pty can respond to the resize event
+     * before another one occurs.
+     * @param x The number of columns to resize to.
+     * @param y The number of rows to resize to.
+     */
+    resize(columns: number, rows: number): void;
+
+    /**
+     * Opens the terminal within an element.
+     * @param parent The element to create the terminal within. This element
+     * must be visible (have dimensions) when `open` is called as several DOM-
+     * based measurements need to be performed when this function is called.
+     */
+    open(parent: HTMLElement): void;
+
+    /**
+     * Attaches a custom key event handler which is run before keys are
+     * processed, giving consumers of xterm.js ultimate control as to what keys
+     * should be processed by the terminal and what keys should not.
+     * @param customKeyEventHandler The custom KeyboardEvent handler to attach.
+     * This is a function that takes a KeyboardEvent, allowing consumers to stop
+     * propagation and/or prevent the default action. The function returns
+     * whether the event should be processed by xterm.js.
+     *
+     * @example A custom keymap that overrides the backspace key
+     * ```ts
+     * const keymap = [
+     *   { "key": "Backspace", "shiftKey": false, "mapCode": 8 },
+     *   { "key": "Backspace", "shiftKey": true, "mapCode": 127 }
+     * ];
+     * term.attachCustomKeyEventHandler(ev => {
+     *   if (ev.type === 'keydown') {
+     *     for (let i in keymap) {
+     *       if (keymap[i].key == ev.key && keymap[i].shiftKey == ev.shiftKey) {
+     *         socket.send(String.fromCharCode(keymap[i].mapCode));
+     *         return false;
+     *       }
+     *     }
+     *   }
+     * });
+     * ```
+     */
+    attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void;
+
+    /**
+     * Registers a link provider, allowing a custom parser to be used to match
+     * and handle links. Multiple link providers can be used, they will be asked
+     * in the order in which they are registered.
+     * @param linkProvider The link provider to use to detect links.
+     */
+    registerLinkProvider(linkProvider: ILinkProvider): IDisposable;
+
+    /**
+     * (EXPERIMENTAL) Registers a character joiner, allowing custom sequences of
+     * characters to be rendered as a single unit. This is useful in particular
+     * for rendering ligatures and graphemes, among other things.
+     *
+     * Each registered character joiner is called with a string of text
+     * representing a portion of a line in the terminal that can be rendered as
+     * a single unit. The joiner must return a sorted array, where each entry is
+     * itself an array of length two, containing the start (inclusive) and end
+     * (exclusive) index of a substring of the input that should be rendered as
+     * a single unit. When multiple joiners are provided, the results of each
+     * are collected. If there are any overlapping substrings between them, they
+     * are combined into one larger unit that is drawn together.
+     *
+     * All character joiners that are registered get called every time a line is
+     * rendered in the terminal, so it is essential for the handler function to
+     * run as quickly as possible to avoid slowdowns when rendering. Similarly,
+     * joiners should strive to return the smallest possible substrings to
+     * render together, since they aren't drawn as optimally as individual
+     * characters.
+     *
+     * NOTE: character joiners are only used by the canvas renderer.
+     *
+     * @param handler The function that determines character joins. It is called
+     * with a string of text that is eligible for joining and returns an array
+     * where each entry is an array containing the start (inclusive) and end
+     * (exclusive) indexes of ranges that should be rendered as a single unit.
+     * @returns The ID of the new joiner, this can be used to deregister
+     */
+    registerCharacterJoiner(handler: (text: string) => [number, number][]): number;
+
+    /**
+     * (EXPERIMENTAL) Deregisters the character joiner if one was registered.
+     * NOTE: character joiners are only used by the canvas renderer.
+     * @param joinerId The character joiner's ID (returned after register)
+     */
+    deregisterCharacterJoiner(joinerId: number): void;
+
+    /**
+     * Adds a marker to the normal buffer and returns it.
+     * @param cursorYOffset The y position offset of the marker from the cursor.
+     * @returns The new marker or undefined.
+     */
+    registerMarker(cursorYOffset?: number): IMarker;
+
+    /**
+     * (EXPERIMENTAL) Adds a decoration to the terminal using
+     * @param decorationOptions, which takes a marker and an optional anchor,
+     * width, height, and x offset from the anchor. Returns the decoration or
+     * undefined if the alt buffer is active or the marker has already been
+     * disposed of.
+     * @throws when options include a negative x offset.
+     */
+    registerDecoration(decorationOptions: IDecorationOptions): IDecoration | undefined;
+
+    /**
+     * Gets whether the terminal has an active selection.
+     */
+    hasSelection(): boolean;
+
+    /**
+     * Gets the terminal's current selection, this is useful for implementing
+     * copy behavior outside of xterm.js.
+     */
+    getSelection(): string;
+
+    /**
+     * Gets the selection position or undefined if there is no selection.
+     */
+    getSelectionPosition(): IBufferRange | undefined;
+
+    /**
+     * Clears the current terminal selection.
+     */
+    clearSelection(): void;
+
+    /**
+     * Selects text within the terminal.
+     * @param column The column the selection starts at.
+     * @param row The row the selection starts at.
+     * @param length The length of the selection.
+     */
+    select(column: number, row: number, length: number): void;
+
+    /**
+     * Selects all text within the terminal.
+     */
+    selectAll(): void;
+
+    /**
+     * Selects text in the buffer between 2 lines.
+     * @param start The 0-based line index to select from (inclusive).
+     * @param end The 0-based line index to select to (inclusive).
+     */
+    selectLines(start: number, end: number): void;
+
+    /*
+     * Disposes of the terminal, detaching it from the DOM and removing any
+     * active listeners. Once the terminal is disposed it should not be used
+     * again.
+     */
+    dispose(): void;
+
+    /**
+     * Scroll the display of the terminal
+     * @param amount The number of lines to scroll down (negative scroll up).
+     */
+    scrollLines(amount: number): void;
+
+    /**
+     * Scroll the display of the terminal by a number of pages.
+     * @param pageCount The number of pages to scroll (negative scrolls up).
+     */
+    scrollPages(pageCount: number): void;
+
+    /**
+     * Scrolls the display of the terminal to the top.
+     */
+    scrollToTop(): void;
+
+    /**
+     * Scrolls the display of the terminal to the bottom.
+     */
+    scrollToBottom(): void;
+
+    /**
+     * Scrolls to a line within the buffer.
+     * @param line The 0-based line index to scroll to.
+     */
+    scrollToLine(line: number): void;
+
+    /**
+     * Clear the entire buffer, making the prompt line the new first line.
+     */
+    clear(): void;
+
+    /**
+     * Write data to the terminal.
+     * @param data The data to write to the terminal. This can either be raw
+     * bytes given as Uint8Array from the pty or a string. Raw bytes will always
+     * be treated as UTF-8 encoded, string data as UTF-16.
+     * @param callback Optional callback that fires when the data was processed
+     * by the parser.
+     */
+    write(data: string | Uint8Array, callback?: () => void): void;
+
+    /**
+     * Writes data to the terminal, followed by a break line character (\n).
+     * @param data The data to write to the terminal. This can either be raw
+     * bytes given as Uint8Array from the pty or a string. Raw bytes will always
+     * be treated as UTF-8 encoded, string data as UTF-16.
+     * @param callback Optional callback that fires when the data was processed
+     * by the parser.
+     */
+    writeln(data: string | Uint8Array, callback?: () => void): void;
+
+    /**
+     * Writes text to the terminal, performing the necessary transformations for
+     * pasted text.
+     * @param data The text to write to the terminal.
+     */
+    paste(data: string): void;
+
+    /**
+     * Tells the renderer to refresh terminal content between two rows
+     * (inclusive) at the next opportunity.
+     * @param start The row to start from (between 0 and this.rows - 1).
+     * @param end The row to end at (between start and this.rows - 1).
+     */
+    refresh(start: number, end: number): void;
+
+    /**
+     * Clears the texture atlas of the canvas renderer if it's active. Doing
+     * this will force a redraw of all glyphs which can workaround issues
+     * causing the texture to become corrupt, for example Chromium/Nvidia has an
+     * issue where the texture gets messed up when resuming the OS from sleep.
+     */
+    clearTextureAtlas(): void;
+
+    /**
+     * Perform a full reset (RIS, aka '\x1bc').
+     */
+    reset(): void;
+
+    /**
+     * Loads an addon into this instance of xterm.js.
+     * @param addon The addon to load.
+     */
+    loadAddon(addon: ITerminalAddon): void;
+  }
+
+  /**
+   * An addon that can provide additional functionality to the terminal.
+   */
+  export interface ITerminalAddon extends IDisposable {
+    /**
+     * This is called when the addon is activated.
+     */
+    activate(terminal: Terminal): void;
+  }
+
+  /**
+   * An object representing a range within the viewport of the terminal.
+   */
+  export interface IViewportRange {
+    /**
+     * The start of the range.
+     */
+    start: IViewportRangePosition;
+
+    /**
+     * The end of the range.
+     */
+    end: IViewportRangePosition;
+  }
+
+  /**
+   * An object representing a cell position within the viewport of the terminal.
+   */
+  interface IViewportRangePosition {
+    /**
+     * The x position of the cell. This is a 0-based index that refers to the
+     * space in between columns, not the column itself. Index 0 refers to the
+     * left side of the viewport, index `Terminal.cols` refers to the right side
+     * of the viewport. This can be thought of as how a cursor is positioned in
+     * a text editor.
+     */
+    x: number;
+
+    /**
+     * The y position of the cell. This is a 0-based index that refers to a
+     * specific row.
+     */
+    y: number;
+  }
+
+  /**
+   * A link handler for OSC 8 hyperlinks.
+   */
+  interface ILinkHandler {
+    /**
+     * Calls when the link is activated.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     * @param range The buffer range of the link.
+     */
+    activate(event: MouseEvent, text: string, range: IBufferRange): void;
+
+    /**
+     * Called when the mouse hovers the link. To use this to create a DOM-based
+     * hover tooltip, create the hover element within `Terminal.element` and
+     * add the `xterm-hover` class to it, that will cause mouse events to not
+     * fall through and activate other links.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     * @param range The buffer range of the link.
+     */
+    hover?(event: MouseEvent, text: string, range: IBufferRange): void;
+
+    /**
+     * Called when the mouse leaves the link.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     * @param range The buffer range of the link.
+     */
+    leave?(event: MouseEvent, text: string, range: IBufferRange): void;
+
+    /**
+     * Whether to receive non-HTTP URLs from LinkProvider. When false, any
+     * usage of non-HTTP URLs will be ignored. Enabling this option without
+     * proper protection in `activate` function may cause security issues such
+     * as XSS.
+     */
+    allowNonHttpProtocols?: boolean;
+  }
+
+  /**
+   * A custom link provider.
+   */
+  interface ILinkProvider {
+    /**
+     * Provides a link a buffer position
+     * @param bufferLineNumber The y position of the buffer to check for links
+     * within.
+     * @param callback The callback to be fired when ready with the resulting
+     * link(s) for the line or `undefined`.
+     */
+    provideLinks(bufferLineNumber: number, callback: (links: ILink[] | undefined) => void): void;
+  }
+
+  /**
+   * A link within the terminal.
+   */
+  interface ILink {
+    /**
+     * The buffer range of the link.
+     */
+    range: IBufferRange;
+
+    /**
+     * The text of the link.
+     */
+    text: string;
+
+    /**
+     * What link decorations to show when hovering the link, this property is
+     * tracked and changes made after the link is provided will trigger changes.
+     * If not set, all decroations will be enabled.
+     */
+    decorations?: ILinkDecorations;
+
+    /**
+     * Calls when the link is activated.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     */
+    activate(event: MouseEvent, text: string): void;
+
+    /**
+     * Called when the mouse hovers the link. To use this to create a DOM-based
+     * hover tooltip, create the hover element within `Terminal.element` and add
+     * the `xterm-hover` class to it, that will cause mouse events to not fall
+     * through and activate other links.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     */
+    hover?(event: MouseEvent, text: string): void;
+
+    /**
+     * Called when the mouse leaves the link.
+     * @param event The mouse event triggering the callback.
+     * @param text The text of the link.
+     */
+    leave?(event: MouseEvent, text: string): void;
+
+    /**
+     * Called when the link is released and no longer used by xterm.js.
+     */
+    dispose?(): void;
+  }
+
+  /**
+   * A set of decorations that can be applied to links.
+   */
+  interface ILinkDecorations {
+    /**
+     * Whether the cursor is set to pointer.
+     */
+    pointerCursor: boolean;
+
+    /**
+     * Whether the underline is visible
+     */
+    underline: boolean;
+  }
+
+  /**
+   * A range within a buffer.
+   */
+  interface IBufferRange {
+    /**
+     * The start position of the range.
+     */
+    start: IBufferCellPosition;
+
+    /**
+     * The end position of the range.
+     */
+    end: IBufferCellPosition;
+  }
+
+  /**
+   * A position within a buffer.
+   */
+  interface IBufferCellPosition {
+    /**
+     * The x position within the buffer (1-based).
+     */
+    x: number;
+
+    /**
+     * The y position within the buffer (1-based).
+     */
+    y: number;
+  }
+
+  /**
+   * Represents a terminal buffer.
+   */
+  interface IBuffer {
+    /**
+     * The type of the buffer.
+     */
+    readonly type: 'normal' | 'alternate';
+
+    /**
+     * The y position of the cursor. This ranges between `0` (when the
+     * cursor is at baseY) and `Terminal.rows - 1` (when the cursor is on the
+     * last row).
+     */
+    readonly cursorY: number;
+
+    /**
+     * The x position of the cursor. This ranges between `0` (left side) and
+     * `Terminal.cols` (after last cell of the row).
+     */
+    readonly cursorX: number;
+
+    /**
+     * The line within the buffer where the top of the viewport is.
+     */
+    readonly viewportY: number;
+
+    /**
+     * The line within the buffer where the top of the bottom page is (when
+     * fully scrolled down).
+     */
+    readonly baseY: number;
+
+    /**
+     * The amount of lines in the buffer.
+     */
+    readonly length: number;
+
+    /**
+     * Gets a line from the buffer, or undefined if the line index does not
+     * exist.
+     *
+     * Note that the result of this function should be used immediately after
+     * calling as when the terminal updates it could lead to unexpected
+     * behavior.
+     *
+     * @param y The line index to get.
+     */
+    getLine(y: number): IBufferLine | undefined;
+
+    /**
+     * Creates an empty cell object suitable as a cell reference in
+     * `line.getCell(x, cell)`. Use this to avoid costly recreation of
+     * cell objects when dealing with tons of cells.
+     */
+    getNullCell(): IBufferCell;
+  }
+
+  export interface IBufferElementProvider {
+    /**
+     * Provides a document fragment or HTMLElement containing the buffer
+     * elements.
+     */
+    provideBufferElements(): DocumentFragment | HTMLElement;
+  }
+
+  /**
+   * Represents the terminal's set of buffers.
+   */
+  interface IBufferNamespace {
+    /**
+     * The active buffer, this will either be the normal or alternate buffers.
+     */
+    readonly active: IBuffer;
+
+    /**
+     * The normal buffer.
+     */
+    readonly normal: IBuffer;
+
+    /**
+     * The alternate buffer, this becomes the active buffer when an application
+     * enters this mode via DECSET (`CSI ? 4 7 h`)
+     */
+    readonly alternate: IBuffer;
+
+    /**
+     * Adds an event listener for when the active buffer changes.
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBufferChange: IEvent<IBuffer>;
+  }
+
+  /**
+   * Represents a line in the terminal's buffer.
+   */
+  interface IBufferLine {
+    /**
+     * Whether the line is wrapped from the previous line.
+     */
+    readonly isWrapped: boolean;
+
+    /**
+     * The length of the line, all call to getCell beyond the length will result
+     * in `undefined`. Note that this may exceed columns as the line array may
+     * not be trimmed after a resize, compare against {@link Terminal.cols} to
+     * get the actual maximum length of a line.
+     */
+    readonly length: number;
+
+    /**
+     * Gets a cell from the line, or undefined if the line index does not exist.
+     *
+     * Note that the result of this function should be used immediately after
+     * calling as when the terminal updates it could lead to unexpected
+     * behavior.
+     *
+     * @param x The character index to get.
+     * @param cell Optional cell object to load data into for performance
+     * reasons. This is mainly useful when every cell in the buffer is being
+     * looped over to avoid creating new objects for every cell.
+     */
+    getCell(x: number, cell?: IBufferCell): IBufferCell | undefined;
+
+    /**
+     * Gets the line as a string. Note that this is gets only the string for the
+     * line, not taking isWrapped into account.
+     *
+     * @param trimRight Whether to trim any whitespace at the right of the line.
+     * @param startColumn The column to start from (inclusive).
+     * @param endColumn The column to end at (exclusive).
+     */
+    translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string;
+  }
+
+  /**
+   * Represents a single cell in the terminal's buffer.
+   */
+  interface IBufferCell {
+    /**
+     * The width of the character. Some examples:
+     *
+     * - `1` for most cells.
+     * - `2` for wide character like CJK glyphs.
+     * - `0` for cells immediately following cells with a width of `2`.
+     */
+    getWidth(): number;
+
+    /**
+     * The character(s) within the cell. Examples of what this can contain:
+     *
+     * - A normal width character
+     * - A wide character (eg. CJK)
+     * - An emoji
+     */
+    getChars(): string;
+
+    /**
+     * Gets the UTF32 codepoint of single characters, if content is a combined
+     * string it returns the codepoint of the last character in the string.
+     */
+    getCode(): number;
+
+    /**
+     * Gets the number representation of the foreground color mode, this can be
+     * used to perform quick comparisons of 2 cells to see if they're the same.
+     * Use `isFgRGB`, `isFgPalette` and `isFgDefault` to check what color mode
+     * a cell is.
+     */
+    getFgColorMode(): number;
+
+    /**
+     * Gets the number representation of the background color mode, this can be
+     * used to perform quick comparisons of 2 cells to see if they're the same.
+     * Use `isBgRGB`, `isBgPalette` and `isBgDefault` to check what color mode
+     * a cell is.
+     */
+    getBgColorMode(): number;
+
+    /**
+     * Gets a cell's foreground color number, this differs depending on what the
+     * color mode of the cell is:
+     *
+     * - Default: This should be 0, representing the default foreground color
+     *   (CSI 39 m).
+     * - Palette: This is a number from 0 to 255 of ANSI colors (CSI 3(0-7) m,
+     *   CSI 9(0-7) m, CSI 38 ; 5 ; 0-255 m).
+     * - RGB: A hex value representing a 'true color': 0xRRGGBB.
+     *   (CSI 3 8 ; 2 ; Pi ; Pr ; Pg ; Pb)
+     */
+    getFgColor(): number;
+
+    /**
+     * Gets a cell's background color number, this differs depending on what the
+     * color mode of the cell is:
+     *
+     * - Default: This should be 0, representing the default background color
+     *   (CSI 49 m).
+     * - Palette: This is a number from 0 to 255 of ANSI colors
+     *   (CSI 4(0-7) m, CSI 10(0-7) m, CSI 48 ; 5 ; 0-255 m).
+     * - RGB: A hex value representing a 'true color': 0xRRGGBB
+     *   (CSI 4 8 ; 2 ; Pi ; Pr ; Pg ; Pb)
+     */
+    getBgColor(): number;
+
+    /** Whether the cell has the bold attribute (CSI 1 m). */
+    isBold(): number;
+    /** Whether the cell has the italic attribute (CSI 3 m). */
+    isItalic(): number;
+    /** Whether the cell has the dim attribute (CSI 2 m). */
+    isDim(): number;
+    /** Whether the cell has the underline attribute (CSI 4 m). */
+    isUnderline(): number;
+    /** Whether the cell has the blink attribute (CSI 5 m). */
+    isBlink(): number;
+    /** Whether the cell has the inverse attribute (CSI 7 m). */
+    isInverse(): number;
+    /** Whether the cell has the invisible attribute (CSI 8 m). */
+    isInvisible(): number;
+    /** Whether the cell has the strikethrough attribute (CSI 9 m). */
+    isStrikethrough(): number;
+    /** Whether the cell has the overline attribute (CSI 53 m). */
+    isOverline(): number;
+
+    /** Whether the cell is using the RGB foreground color mode. */
+    isFgRGB(): boolean;
+    /** Whether the cell is using the RGB background color mode. */
+    isBgRGB(): boolean;
+    /** Whether the cell is using the palette foreground color mode. */
+    isFgPalette(): boolean;
+    /** Whether the cell is using the palette background color mode. */
+    isBgPalette(): boolean;
+    /** Whether the cell is using the default foreground color mode. */
+    isFgDefault(): boolean;
+    /** Whether the cell is using the default background color mode. */
+    isBgDefault(): boolean;
+
+    /** Whether the cell has the default attribute (no color or style). */
+    isAttributeDefault(): boolean;
+  }
+
+  /**
+   * Data type to register a CSI, DCS or ESC callback in the parser
+   * in the form:
+   *    ESC I..I F
+   *    CSI Prefix P..P I..I F
+   *    DCS Prefix P..P I..I F data_bytes ST
+   *
+   * with these rules/restrictions:
+   * - prefix can only be used with CSI and DCS
+   * - only one leading prefix byte is recognized by the parser
+   *   before any other parameter bytes (P..P)
+   * - intermediate bytes are recognized up to 2
+   *
+   * For custom sequences make sure to read ECMA-48 and the resources at
+   * vt100.net to not clash with existing sequences or reserved address space.
+   * General recommendations:
+   * - use private address space (see ECMA-48)
+   * - use max one intermediate byte (technically not limited by the spec,
+   *   in practice there are no sequences with more than one intermediate byte,
+   *   thus parsers might get confused with more intermediates)
+   * - test against other common emulators to check whether they escape/ignore
+   *   the sequence correctly
+   *
+   * Notes: OSC command registration is handled differently (see addOscHandler)
+   *        APC, PM or SOS is currently not supported.
+   */
+  export interface IFunctionIdentifier {
+    /**
+     * Optional prefix byte, must be in range \x3c .. \x3f.
+     * Usable in CSI and DCS.
+     */
+    prefix?: string;
+    /**
+     * Optional intermediate bytes, must be in range \x20 .. \x2f.
+     * Usable in CSI, DCS and ESC.
+     */
+    intermediates?: string;
+    /**
+     * Final byte, must be in range \x40 .. \x7e for CSI and DCS,
+     * \x30 .. \x7e for ESC.
+     */
+    final: string;
+  }
+
+  /**
+   * Allows hooking into the parser for custom handling of escape sequences.
+   *
+   * Note on sync vs. async handlers:
+   * xterm.js implements all parser actions with synchronous handlers.
+   * In general custom handlers should also operate in sync mode wherever
+   * possible to keep the parser fast.
+   * Still the exposed interfaces allow to register async handlers by returning
+   * a `Promise<boolean>`. Here the parser will pause input processing until
+   * the promise got resolved or rejected (in-band blocking). This "full stop"
+   * on the input chain allows to implement backpressure from a certain async
+   * action while the terminal state will not progress any further from input.
+   * It does not mean that the terminal state will not change at all in between,
+   * as user actions like resize or reset are still processed immediately.
+   * It is an error to assume a stable terminal state while giving back control
+   * in between, e.g. by multiple chained `then` calls.
+   * Downside of an async handler is a rather bad throughput performance,
+   * thus use async handlers only as a last resort or for actions that have
+   * to rely on async interfaces itself.
+   */
+  export interface IParser {
+    /**
+     * Adds a handler for CSI escape sequences.
+     * @param id Specifies the function identifier under which the callback gets
+     * registered, e.g. {final: 'm'} for SGR.
+     * @param callback The function to handle the sequence. The callback is
+     * called with the numerical params. If the sequence has subparams the array
+     * will contain subarrays with their numercial values. Return `true` if the
+     * sequence was handled, `false` if the parser should try a previous
+     * handler. The most recently added handler is tried first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise<boolean>): IDisposable;
+
+    /**
+     * Adds a handler for DCS escape sequences.
+     * @param id Specifies the function identifier under which the callback gets
+     * registered, e.g. {intermediates: '$' final: 'q'} for DECRQSS.
+     * @param callback The function to handle the sequence. Note that the
+     * function will only be called once if the sequence finished sucessfully.
+     * There is currently no way to intercept smaller data chunks, data chunks
+     * will be stored up until the sequence is finished. Since DCS sequences are
+     * not limited by the amount of data this might impose a problem for big
+     * payloads. Currently xterm.js limits DCS payload to 10 MB which should
+     * give enough room for most use cases. The function gets the payload and
+     * numerical parameters as arguments. Return `true` if the sequence was
+     * handled, `false` if the parser should try a previous handler. The most
+     * recently added handler is tried first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise<boolean>): IDisposable;
+
+    /**
+     * Adds a handler for ESC escape sequences.
+     * @param id Specifies the function identifier under which the callback gets
+     * registered, e.g. {intermediates: '%' final: 'G'} for default charset
+     * selection.
+     * @param callback The function to handle the sequence.
+     * Return `true` if the sequence was handled, `false` if the parser should
+     * try a previous handler. The most recently added handler is tried first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise<boolean>): IDisposable;
+
+    /**
+     * Adds a handler for OSC escape sequences.
+     * @param ident The number (first parameter) of the sequence.
+     * @param callback The function to handle the sequence. Note that the
+     * function will only be called once if the sequence finished sucessfully.
+     * There is currently no way to intercept smaller data chunks, data chunks
+     * will be stored up until the sequence is finished. Since OSC sequences are
+     * not limited by the amount of data this might impose a problem for big
+     * payloads. Currently xterm.js limits OSC payload to 10 MB which should
+     * give enough room for most use cases. The callback is called with OSC data
+     * string. Return `true` if the sequence was handled, `false` if the parser
+     * should try a previous handler. The most recently added handler is tried
+     * first.
+     * @returns An IDisposable you can call to remove this handler.
+     */
+    registerOscHandler(ident: number, callback: (data: string) => boolean | Promise<boolean>): IDisposable;
+  }
+
+  /**
+   * (EXPERIMENTAL) Unicode version provider.
+   * Used to register custom Unicode versions with `Terminal.unicode.register`.
+   */
+  export interface IUnicodeVersionProvider {
+    /**
+     * String indicating the Unicode version provided.
+     */
+    readonly version: string;
+
+    /**
+     * Unicode version dependent wcwidth implementation.
+     */
+    wcwidth(codepoint: number): 0 | 1 | 2;
+  }
+
+  /**
+   * (EXPERIMENTAL) Unicode handling interface.
+   */
+  export interface IUnicodeHandling {
+    /**
+     * Register a custom Unicode version provider.
+     */
+    register(provider: IUnicodeVersionProvider): void;
+
+    /**
+     * Registered Unicode versions.
+     */
+    readonly versions: ReadonlyArray<string>;
+
+    /**
+     * Getter/setter for active Unicode version.
+     */
+    activeVersion: string;
+  }
+
+  /**
+   * Terminal modes as set by SM/DECSET.
+   */
+  export interface IModes {
+    /**
+     * Application Cursor Keys (DECCKM): `CSI ? 1 h`
+     */
+    readonly applicationCursorKeysMode: boolean;
+    /**
+     * Application Keypad Mode (DECNKM): `CSI ? 6 6 h`
+     */
+    readonly applicationKeypadMode: boolean;
+    /**
+     * Bracketed Paste Mode: `CSI ? 2 0 0 4 h`
+     */
+    readonly bracketedPasteMode: boolean;
+    /**
+     * Insert Mode (IRM): `CSI 4 h`
+     */
+    readonly insertMode: boolean;
+    /**
+     * Mouse Tracking, this can be one of the following:
+     * - none: This is the default value and can be reset with DECRST
+     * - x10: Send Mouse X & Y on button press `CSI ? 9 h`
+     * - vt200: Send Mouse X & Y on button press and release `CSI ? 1 0 0 0 h`
+     * - drag: Use Cell Motion Mouse Tracking `CSI ? 1 0 0 2 h`
+     * - any: Use All Motion Mouse Tracking `CSI ? 1 0 0 3 h`
+     */
+    readonly mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any';
+    /**
+     * Origin Mode (DECOM): `CSI ? 6 h`
+     */
+    readonly originMode: boolean;
+    /**
+     * Reverse-wraparound Mode: `CSI ? 4 5 h`
+     */
+    readonly reverseWraparoundMode: boolean;
+    /**
+     * Send FocusIn/FocusOut events: `CSI ? 1 0 0 4 h`
+     */
+    readonly sendFocusMode: boolean;
+    /**
+     * Auto-Wrap Mode (DECAWM): `CSI ? 7 h`
+     */
+    readonly wraparoundMode: boolean;
+  }
+}
diff --git a/web/public/package-lock.json b/web/public/package-lock.json
new file mode 100644
index 000000000..92d3204e0
--- /dev/null
+++ b/web/public/package-lock.json
@@ -0,0 +1,643 @@
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+        "xterm": "^5.3.0"
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+      "integrity": "sha512-fDW/EZ6Q9RiO8eFG8Hj+7u/oW+XrPTIChwCOM2+th2A6OblDtYYIpve9m+KvI9Z4C9qSEXlaGR6bTEYHReuglA==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind": "^1.0.7",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.4",
+        "object-inspect": "^1.13.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/union": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
+      "dependencies": {
+        "qs": "^6.4.0"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/url-join": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
+      "license": "MIT"
+    },
+    "node_modules/whatwg-encoding": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz",
+      "integrity": "sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==",
+      "license": "MIT",
+      "dependencies": {
+        "iconv-lite": "0.6.3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/xterm": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/xterm/-/xterm-5.3.0.tgz",
+      "integrity": "sha512-8QqjlekLUFTrU6x7xck1MsPzPA571K5zNqWm0M0oroYEWVOptZ0+ubQSkQ3uxIEhcIHRujJy6emDWX4A7qyFzg==",
+      "deprecated": "This package is now deprecated. Move to @xterm/xterm instead.",
+      "license": "MIT"
+    }
+  }
+}
diff --git a/web/public/package.json b/web/public/package.json
new file mode 100644
index 000000000..e82fe2cdf
--- /dev/null
+++ b/web/public/package.json
@@ -0,0 +1,14 @@
+{
+  "dependencies": {
+    "@xterm/addon-attach": "^0.11.0",
+    "@xterm/addon-clipboard": "^0.1.0",
+    "@xterm/addon-fit": "^0.10.0",
+    "@xterm/addon-image": "^0.8.0",
+    "@xterm/addon-search": "^0.15.0",
+    "@xterm/addon-serialize": "^0.13.0",
+    "@xterm/addon-web-links": "^0.11.0",
+    "@xterm/xterm": "^5.5.0",
+    "http-server": "^14.1.1",
+    "xterm": "^5.3.0"
+  }
+}
diff --git a/web/public/phpVersion.php b/web/public/phpVersion.php
index 2fa593917..6a841658f 100644
--- a/web/public/phpVersion.php
+++ b/web/public/phpVersion.php
@@ -1,2 +1,13 @@
 <?php
-echo phpinfo();
\ No newline at end of file
+echo phpinfo();
+?>
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="PHP Version" href="favicon.png" type="image/x-icon"/>
+</head>
+<body></body>
+</html>
\ No newline at end of file
diff --git a/web/public/terminal.css b/web/public/terminal.css
new file mode 100644
index 000000000..ee393588f
--- /dev/null
+++ b/web/public/terminal.css
@@ -0,0 +1,5 @@
+/* terminal.css */
+#terminal {
+  height: 100vh; /* Full viewport height */
+  width: 100vw;  /* Full viewport width */
+}
diff --git a/web/public/terminal.js b/web/public/terminal.js
new file mode 100644
index 000000000..249e167dc
--- /dev/null
+++ b/web/public/terminal.js
@@ -0,0 +1,64 @@
+import { Terminal } from '@xterm/xterm/lib/xterm.js';
+import { AttachAddon } from '@xterm/addon-attach/lib/addon-attach.js';
+import { ClipboardAddon } from '@xterm/addon-clipboard/lib/addon-clipboard.js';
+import { FitAddon } from '@xterm/addon-fit/lib/addon-fit.js';
+import { ImageAddon } from '@xterm/addon-image/lib/addon-image.js';
+import { SearchAddon } from '@xterm/addon-search/lib/addon-search.js';
+import { SerializeAddon } from '@xterm/addon-serialize/lib/addon-serialize.js';
+import { WebLinksAddon } from '@xterm/addon-web-links/lib/addon-web-links.js';
+
+// Create a new Terminal instance
+const terminal = new Terminal();
+
+// Load addons
+terminal.loadAddon(new WebLinksAddon());
+terminal.loadAddon(new ClipboardAddon());
+terminal.loadAddon(new FitAddon());
+terminal.loadAddon(new ImageAddon());
+terminal.loadAddon(new SearchAddon());
+terminal.loadAddon(new SerializeAddon());
+terminal.loadAddon(new AttachAddon());
+
+// Open the terminal in the specified element
+const terminalElement = document.getElementById('terminal');
+terminal.open(terminalElement);
+
+// Optional: Fit the terminal to the container's size
+const fitAddon = new FitAddon();
+terminal.loadAddon(fitAddon);
+fitAddon.fit();
+
+// Initial greeting and prompt
+terminal.write('Hello from \x1B[1;3;31mxterm.js\x1B[0m $ ');
+
+// Function to handle input (simplified for demonstration)
+let commandBuffer = '';
+terminal.onData(e => {
+    switch (e) {
+        case '\r': // Enter key
+            terminal.write('\r\n');
+            terminal.write(`You typed: ${commandBuffer}`);
+            commandBuffer = '';
+            terminal.write(`$ `);
+            break;
+        case '\u0003': // Ctrl+C
+            terminal.write('^C');
+            commandBuffer = '';
+            terminal.write(`$ `);
+            break;
+        case '\u007F': // Backspace
+            if (commandBuffer.length > 0) {
+                commandBuffer = commandBuffer.slice(0, -1);
+                terminal.write('\b \b');
+            }
+            break;
+        default:
+            if (e >= ' ' && e <= '~') {
+                commandBuffer += e;
+                terminal.write(e);
+            }
+    }
+});
+
+// Initial prompt
+terminal.write('$ ');
diff --git a/web/public/xterm.css b/web/public/xterm.css
new file mode 100644
index 000000000..77e9c6960
--- /dev/null
+++ b/web/public/xterm.css
@@ -0,0 +1,7 @@
+#terminal {
+    width: 100%;
+    height: 100vh;
+    background-color: #000;
+    color: #fff;
+  }
+  
\ No newline at end of file
diff --git a/web/public/xterm.html b/web/public/xterm.html
new file mode 100644
index 000000000..31b3ce7cd
--- /dev/null
+++ b/web/public/xterm.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<html>
+<head>
+  <link rel="stylesheet" href="node_modules/@xterm/xterm/css/xterm.css" />
+  <script type="module" src="xterm.js"></script>
+  <link rel="stylesheet" href="xterm.css">
+</head>
+<body>
+  <div id="terminal"></div>
+</body>
+</html>
diff --git a/web/public/xterm.js b/web/public/xterm.js
new file mode 100644
index 000000000..f0f9c1326
--- /dev/null
+++ b/web/public/xterm.js
@@ -0,0 +1,116 @@
+import { Terminal } from 'node_modules/@xterm/xterm/lib/xterm.js';
+import { WebLinksAddon } from 'node_modules/@xterm/addon-web-links/lib/WebLinksAddon.js';
+
+// Create a new Terminal instance
+const terminal = new Terminal();
+terminal.open(document.getElementById('terminal'));
+
+// Load WebLinksAddon on terminal to enable web links
+terminal.loadAddon(new WebLinksAddon());
+
+// Initial greeting and prompt
+terminal.write('Hello from \x1B[1;3;31mxterm.js\x1B[0m $ ');
+
+let currentPath = '/';
+let fileSystem = {
+    '/': {
+        'home': {},
+        'docs': {}
+    },
+    '/home': {
+        'user': {}
+    },
+    '/docs': {}
+};
+
+// Utility function to list files in the current directory
+function listFiles(path) {
+    let files = Object.keys(fileSystem[path]);
+    return files.length === 0 ? 'No files found' : files.join('\n');
+}
+
+// Utility function to change directories
+function changeDirectory(path) {
+    if (fileSystem[path]) {
+        currentPath = path;
+        return `Changed to ${path}`;
+    } else {
+        return `No such directory: ${path}`;
+    }
+}
+
+// Handle input from the user
+function handleInput(command) {
+    let [cmd, ...args] = command.split(' ');
+
+    switch (cmd) {
+        case 'ls':
+            terminal.writeln(listFiles(currentPath));
+            break;
+        case 'cd':
+            if (args.length === 0) {
+                terminal.writeln('Usage: cd <directory>');
+            } else {
+                let newPath = (currentPath === '/' ? '' : currentPath) + '/' + args[0];
+                terminal.writeln(changeDirectory(newPath));
+            }
+            break;
+        case 'pwd':
+            terminal.writeln(currentPath);
+            break;
+        case 'clear':
+            terminal.clear();
+            break;
+        case 'help':
+            terminal.writeln(`Available commands:
+ls - list files
+cd <directory> - change directory
+pwd - print current directory
+clear - clear the terminal
+help - show this help message`);
+            break;
+        case 'exit':
+            terminal.writeln("Exiting terminal");
+            setTimeout(() => {
+                terminal.dispose();
+            }, 2000);
+            return;
+        default:
+            terminal.writeln(`Unknown command: ${cmd}`);
+    }
+}
+
+// Prompt and input handling
+let commandBuffer = '';
+terminal.onData(e => {
+    switch (e) {
+        case '\r': // Enter key
+            terminal.write('\r\n');
+            handleInput(commandBuffer);
+            commandBuffer = '';
+            terminal.write(`${currentPath} $ `);
+            break;
+        case '\u0003': // Ctrl+C
+            terminal.write('^C');
+            commandBuffer = '';
+            terminal.write('\r\n' + `${currentPath} $ `);
+            break;
+        case '\u007F': // Backspace (DEL)
+            // Do not delete the prompt
+            if (terminal._core.buffer.x > `${currentPath} $ `.length) {
+                terminal.write('\b \b');
+                if (commandBuffer.length > 0) {
+                    commandBuffer = commandBuffer.substr(0, commandBuffer.length - 1);
+                }
+            }
+            break;
+        default: // Print all other characters for valid commands
+            if (e >= String.fromCharCode(0x20) && e <= String.fromCharCode(0x7E)) {
+                commandBuffer += e;
+                terminal.write(e);
+            }
+    }
+});
+
+// Initial prompt
+terminal.write(`${currentPath} $ `);

From 285c34b57888383a44a81ac6701bcd525cd27b49 Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Mon, 23 Sep 2024 15:20:54 +0100
Subject: [PATCH 08/11] sonarqube

---
 .travis.yml             | 2 +-
 docker-run_sonar-cli.sh | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 docker-run_sonar-cli.sh

diff --git a/.travis.yml b/.travis.yml
index 542809ffd..f7fb5cc56 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 #: required
 
 env:
-  DOCKER_COMPOSE_VERSION: 1.18.0
+  - "DOCKER_COMPOSE_VERSION=1.18.0"
 
 services:
   - docker
diff --git a/docker-run_sonar-cli.sh b/docker-run_sonar-cli.sh
new file mode 100644
index 000000000..825d3df4a
--- /dev/null
+++ b/docker-run_sonar-cli.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+docker container run --rm --network=host -e SONAR_HOST_URL="http://localhost:9000" -v "./web/app:/app" sonarsource/sonar-scanner-cli -Dsonar.projectKey=php-test \
+-Dsonar.sources=. \
+-Dsonar.host.url=http://localhost:9000 \
+-Dsonar.login=sqp_4a53ac56aa9e5c32ab67e92fedac8dffe856636b
\ No newline at end of file

From 27346b8fae27fdb25c5b0874a68f5159b0f2b6ee Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Tue, 24 Sep 2024 10:33:04 +0100
Subject: [PATCH 09/11] update

---
 docker-run_sonar-cli.sh | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 mode change 100644 => 100755 docker-run_sonar-cli.sh

diff --git a/docker-run_sonar-cli.sh b/docker-run_sonar-cli.sh
old mode 100644
new mode 100755

From d4911bbe522e98caad83bbcd05469724545da63d Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Thu, 7 Nov 2024 11:12:46 +0000
Subject: [PATCH 10/11] update docker run sonar cli

---
 docker-run_sonar-cli.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docker-run_sonar-cli.sh b/docker-run_sonar-cli.sh
index 825d3df4a..5887ac41c 100755
--- a/docker-run_sonar-cli.sh
+++ b/docker-run_sonar-cli.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-docker container run --rm --network=host -e SONAR_HOST_URL="http://localhost:9000" -v "./web/app:/app" sonarsource/sonar-scanner-cli -Dsonar.projectKey=php-test \
+docker container run --rm --network=host -e SONAR_HOST_URL="http://localhost:9000" -v "./web/public:/var/www/html/public" sonarsource/sonar-scanner-cli -Dsonar.projectKey=php-test \
 -Dsonar.sources=. \
 -Dsonar.host.url=http://localhost:9000 \
--Dsonar.login=sqp_4a53ac56aa9e5c32ab67e92fedac8dffe856636b
\ No newline at end of file
+-Dsonar.login=sqp_c470ca618cd74d6905c530adf83bf71232dc23c0
\ No newline at end of file

From 77a3e19d558069f35ca772d3c01c7a687dd65142 Mon Sep 17 00:00:00 2001
From: Marcel Martins - SFS <marcel.marques_martins@siemens.com>
Date: Tue, 12 Nov 2024 16:37:52 +0000
Subject: [PATCH 11/11] update docker-compose

---
 docker-compose.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 568f3ec75..b42a26cbe 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '3'
+version: '3.9'
 services:
     web:
         image: nginx:latest