46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
/*
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* NoScript Commons Library
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* Reusable building blocks for cross-browser security/privacy WebExtensions.
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* Copyright (C) 2020-2024 Giorgio Maone <https://maone.net>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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var TabCache = (() => {
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const cache = new Map();
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browser.tabs.onUpdated.addListener((tabId, changes, tab) => {
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cache.set(tabId, tab);
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});
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browser.tabs.onRemoved.addListener(tabId => {
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cache.delete(tabId);
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});
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return {
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wakening: (async () => {
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for (let tab of await browser.tabs.query({})) {
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cache.set(tab.id, tab);
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}
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})(),
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get(tabId) {
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return cache.get(tabId);
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},
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async async(tabId) {
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return cache.get(tabId) || await browser.tabs.get(tabId);
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}
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};
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})();
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