forked from mirrors/gecko-dev
90fac8fa22
Differential Revision: https://phabricator.services.mozilla.com/D37217 --HG-- extra : moz-landing-system : lando
23 lines
796 B
JavaScript
23 lines
796 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.makeUuid = (function() {
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// generates a v4 UUID
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return function makeUuid() { // eslint-disable-line no-unused-vars
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// get sixteen unsigned 8 bit random values
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const randomValues = window
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.crypto
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.getRandomValues(new Uint8Array(36));
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return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
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const i = Array.prototype.slice.call(arguments).slice(-2)[0]; // grab the `offset` parameter
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const r = randomValues[i] % 16|0, v = c === "x" ? r : (r & 0x3 | 0x8);
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return v.toString(16);
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});
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};
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})();
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null;
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