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Bryan Terce btk5h

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pog

btk5h / encodeIntArray.js

Last active December 17, 2017 19:46

Compactly represent an array of integers as a string using the base64 alphabet. 40% to 50% smaller output than JSON.stringify.

	const TABLE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('')

	function encodeInt (int) {
	let encoded = ''
	do {
	let offset = int & 0b011111
	int >>>= 5
	if (int === 0) {
	offset \|= 0b100000
	}