fast-sjis-encoder

Fast Shift-JIS(MS932) encoder - About 2x faster than iconv-lite

Installation

npm install fast-sjis-encoder

Browser

<script src="https://cdn.jsdelivr.net/npm/fast-sjis-encoder"></script>

ES Modules

import sjis from 'fast-sjis-encoder';

CommonJS

const sjis = require('fast-sjis-encoder');

Encode string to Shift-JIS byte array

const bytes = sjis('Hello 世界');
console.log(bytes); // Uint8Array(10) [72, 101, 108, 108, 111, 32, 144, 162, 138, 91]

Comparison with iconv-lite (operations per second)

chars	fast-sjis-encoder	iconv-lite	faster
30	1,491,271	789,446	1.89x
300	471,622	222,128	2.12x
3000	61,771	24,708	2.50x

About 2x faster than iconv-lite.

const text = new TextDecoder('shift-jis').decode(bytes);
console.log(text); // "Hello 世界"

MIT