From 0af79cd3a5149fc815ed420c9b1a58fda1adb0d4 Mon Sep 17 00:00:00 2001
From: ketankr9 <utsav.krishnan.cse15@iitbhu.ac.in>
Date: Mon, 10 Feb 2020 17:16:47 +0530
Subject: [PATCH] remove html tag shown in problem (in terminal)

fixes https://github.com/skygragon/leetcode-cli/issues/201 & https://github.com/skygragon/leetcode-cli/issues/183
---
 lib/commands/show.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/lib/commands/show.js b/lib/commands/show.js
index 56b9341e..a256ea21 100644
--- a/lib/commands/show.js
+++ b/lib/commands/show.js
@@ -1,6 +1,8 @@
 'use strict';
 var util = require('util');
 
+var cheerio = require('cheerio');
+var he = require('he');
 var _ = require('underscore');
 var childProcess = require('child_process');
 
@@ -89,6 +91,19 @@ function genFileName(problem, opts) {
   }
 }
 
+// removes html tags from problem description before printing it to the terminal
+function cleanProblemDesc(desc){
+    // Replace <sup/> with '^' as the power operator
+    desc = desc.replace(/<\/sup>/gm, '').replace(/<sup>/gm, '^');
+    desc = he.decode(cheerio.load(desc).root().text());
+    // NOTE: wordwrap internally uses '\n' as EOL, so here we have to
+    // remove all '\r' in the raw string.
+    desc = desc.replace(/\r\n/g, '\n').replace(/^ /mg, '⁠');
+    // const wrap = require('wordwrap')(79);
+    // desc = wrap(desc);
+    return desc;
+}
+
 function showProblem(problem, argv) {
   const taglist = [problem.category]
     .concat(problem.companies || [])
@@ -168,7 +183,7 @@ function showProblem(problem, argv) {
     log.printf('* Source Code:       %s', chalk.yellow.underline(filename));
 
   log.info();
-  log.info(problem.desc);
+  log.info(cleanProblemDesc(problem.desc));
 }
 
 cmd.handler = function(argv) {