How to Generate Random and Unique Password in Node.js using 'generate-password' NPM Module?

The generate-password module provides a simple and flexible way to generate random passwords. It offers various options to customize the length, complexity, and character set of the generated passwords. This makes it a great tool for developers who need to implement password generation in their applications.

Steps to Setup Project

Step 1: Make a folder structure for the project.

mkdir myapp

Step 2: Navigate to the project directory

cd myapp

Step 3: Initialize the NodeJs project inside the myapp folder.

npm init -y

Step 4: Install the necessary packages/libraries in your project using the following commands.

npm install generate-password

Project Structure:

The updated dependencies in package.json file will look like:

"dependencies": {
    "generate-password": "^1.7.1",
  }

Using the module

To generate a password, we have to import 'generate-password' module using the require function and then call generate method by passing the length of the password, character set, etc. It will generate the password according to the values passed to the generate method. Below is the code to import the module into our application.

const generator = require('generate-password');

Example : Implementation to Generate Random and Unique Password in Node.js.

// index.js

const generator = require('generate-password');

const passcode = generator.generate({
    length: 10,
    numbers: true
});

console.log(passcode);

Output:

Example 2: Implementation to Generate Random and Unique Password in Node.js using another example.

// index.js

const generator = require('generate-password');

const password = generator.generate({
    length: 8,
    numbers: true,
    symbols: true,
    uppercase: false,
    excludeSimilarCharacters: true,
    strict: true,

});

console.log(password);

Output:

Conclusion

In conclusion, the "generate-password" NPM module provides developers with a valuable resource for generating secure passwords that meet specific criteria, such as length and character types. This module is user-friendly, highly configurable, and offers a range of options to create robust passwords. However, it's important to note that while this tool can assist with password generation, it's the user's responsibility to implement proper password management and security practices.