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/*
* NoScript Commons Library
* Reusable building blocks for cross-browser security/privacy WebExtensions.
* Copyright (C) 2020-2023 Giorgio Maone <https://maone.net>
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <https://www.gnu.org/licenses/>.
*/
'use strict';
function uuid() {
try {
return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,
c => (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4)
.toString(16));
} catch (e) {
// fallback, as the Tor Browser seems to fail above
uuid = () => 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
let r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
}
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