mutf-8: Encoder/Decoder for Modified UTF-8

What is the Modified UTF-8 ?

The Modified UTF-8 (MUTF-8) is used in the Java platform such as the class file format and the object serialization.

See The Java Virtual Machine Specification, Java SE 21 Edition, section 4.4.7 for details.

Installation

npm install mutf-8

Usage

The APIs are similar to WHATWG TextEncoder/TextDecoder.

import { MUtf8Decoder, MUtf8Encoder } from "mutf-8";         // ES Modules
// const { MUtf8Decoder, MUtf8Encoder } = require("mutf-8"); // CommonJS

const encoder = new MUtf8Encoder();
const code = encoder.encode("Hello 世界! Santé🍻");
// Uint8Array:
//   0x48 0x65 0x6c 0x6c 0x6f 0x20 0xe4 0xb8
//   0x96 0xe7 0x95 0x8c 0x21 0x20 0x53 0x61
//   0x6e 0x74 0xc3 0xa9 0xed 0xa0 0xbc 0xed
//   0xbd 0xbb

const decoder = new MUtf8Decoder();
const text = decoder.decode(code);
// string:
//   Hello 世界! Santé🍻

See API reference for details.

Licence

MIT License

Copyright (c) 2020 sciencesakura