Node.js monsterId

monsterId is the Node.js implementation of monsterId PHP library. It creates a unique avatar starting from a string, typically a username, used to generate a unique seed number.

Installation

This library depends on node-gd so, in order to use monsterId, you need to have libgd installed on your system. You can follow node-gd installastion's instructions here.

To install monsterId just type the following command:

$ npm install monsterid

How to use

The usage is actually simple; Import the library an call monsterId function with a username to have back a binary object which represents your unique avatar 👾.

const http = require('http');
const monsterId = require('monsterId');

http.createServer(async (req, res) => {
  const username = 'username';
  const avatar = await monsterId(username);

  res.writeHead(200, { 'Content-type': 'image/png' });
  res.end(avatar, 'binary');
}).listen('8080');

monsterId function accepts an optional configuration object that can be used to specify the desired size of the avatar:

const monsterId = require('monsterId');

const avatar = monsterId('username', {
	size: 200,
});

Contributing

monsterId is authored in ES6, transpiled with Babel, and exported as a CommonJS module. To transpile the src files run this command:

$ npm run build

To launch unit tests suite (with Jest) run this command:

$ npm run test

Credits

Thanks to Andreas Gohr for his job on the original library.