erlpackjs

ErlpackJS is a fast encoder and decoder for the Erlang Term Format (version 131) for JavaScript based on erlpack supporting the browser and node.

Installation

$ yarn add erlpackjs

Things that can be packed

• [x] Null
• [x] Booleans
• [x] Strings
• [ ] Atoms
• [x] Unicode Strings
• [x] Floats
• [x] Integers
• [ ] Longs
• [ ] Longs over 64 bits
• [x] Objects
• [x] Arrays
• [ ] Tuples
• [ ] PIDs
• [ ] Ports
• [ ] Exports
• [ ] References

Usage

How to pack

import { pack } from 'erlpackjs';

const packed = pack({ a: true, list: ['of', 3, 'things', 'to', 'pack'] });

console.log(packed);

How to unpack

Note: Unpacking requires the binary data be a Uint8Array or Buffer.

import { unpack } from 'erlpackjs';

const packed = Buffer.from('', 'binary');
let unpacked = null;

try {
    unpacked = unpack(packed);

    console.log(unpacked);
} catch (err) {
    // Got an exception parsing
    console.log(err);
}