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45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
6 years ago
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(function (w) {
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"use strict";
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function findBest(atobNative) {
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// normal window
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if ('function' === typeof atobNative) { return atobNative; }
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// browserify (web worker)
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if ('function' === typeof Buffer) {
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return function atobBrowserify(a) {
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//!! Deliberately using an API that's deprecated in node.js because
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//!! this file is for browsers and we expect them to cope with it.
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//!! Discussion: github.com/node-browser-compat/atob/pull/9
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return new Buffer(a, 'base64').toString('binary');
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};
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}
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// ios web worker with base64js
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if ('object' === typeof w.base64js) {
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// bufferToBinaryString
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// https://git.coolaj86.com/coolaj86/unibabel.js/blob/master/index.js#L50
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return function atobWebWorker_iOS(a) {
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var buf = w.base64js.b64ToByteArray(a);
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return Array.prototype.map.call(buf, function (ch) {
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return String.fromCharCode(ch);
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}).join('');
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};
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}
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return function () {
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// ios web worker without base64js
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throw new Error("You're probably in an old browser or an iOS webworker." +
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" It might help to include beatgammit's base64-js.");
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};
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}
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var atobBest = findBest(w.atob);
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w.atob = atobBest;
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if ((typeof module === 'object') && module && module.exports) {
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module.exports = atobBest;
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}
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}(window));
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