blob: 7ae77299e437a186001be7228bb371315c649700 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
this.makeUuid = (function() {
// generates a v4 UUID
return function makeUuid() { // eslint-disable-line no-unused-vars
// get sixteen unsigned 8 bit random values
const randomValues = window
.crypto
.getRandomValues(new Uint8Array(36));
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
const i = Array.prototype.slice.call(arguments).slice(-2)[0]; // grab the `offset` parameter
const r = randomValues[i] % 16|0, v = c === "x" ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
};
})();
null;
|