es-arraybuffer-base64/Uint8Array.prototype.setFromBase64/polyfill.js

An ES-spec-compliant shim/polyfill/replacement for ArrayBuffer base64 methods that works as far down as ES3

'use strict';

var implementation = require('./implementation');

module.exports = function getPolyfill() {
	return typeof Uint8Array === 'function' && typeof Uint8Array.prototype.setFromBase64 === 'function' ? Uint8Array.prototype.setFromBase64 : implementation;
};