lzbase62

LZ77(LZSS) based compression algorithm in base62 for JavaScript.

The compressed result will be a string in base 62 (0-9A-Za-z) characters.

Installation

In a browser:

<script src="lzbase62.js"></script>

or

<script src="lzbase62.min.js"></script>

The object named "lzbase62" will defined in the global scope.

In Node.js:

npm install lzbase62

var lzbase62 = require('lzbase62');

Usage

• {string} lzbase62.compress ( {string} data )
  Compress data to a base 62(0-9a-zA-Z) encoded string.
  @param {string} data Input data
  @return {string} Compressed data

• {string} lzbase62.decompress ( {string} data )
  Decompress data from a base 62(0-9a-zA-Z) encoded string.
  @param {string} data Input data
  @return {string} Decompressed data

var data = 'hello hello hello';
var compressed = lzbase62.compress(data);
console.log(compressed); // sBpBwBwBzB9GAM
var decompressed = lzbase62.decompress(data);
console.log(decompressed.length < data.length); // true
console.log(decompressed === data); // true

Demo

Demo

License

MIT