Updated extensions:

 * Upgraded Privacy Redirect to 1.1.49 and configured to use the 10 most reliable invidious instances
 * Removed ViewTube
 * Added torproxy@icecat.gnu based on 'Proxy toggle' extension
 * Added jShelter 0.11.1
 * Upgraded LibreJS to 7.21.0
 * Upgraded HTTPS Everywhere to 2021.7.13
 * Upgraded SubmitMe to 1.9

1 files changed, 44 insertions, 0 deletions

diff --git a/data/extensions/jsr@javascriptrestrictor/nscl/service/TabCache.js b/data/extensions/jsr@javascriptrestrictor/nscl/service/TabCache.js
new file mode 100644
index 0000000..79a01ea
--- /dev/null
+++ b/data/extensions/jsr@javascriptrestrictor/nscl/service/TabCache.js
@@ -0,0 +1,44 @@
+/*
+ * NoScript Commons Library
+ * Reusable building blocks for cross-browser security/privacy WebExtensions.
+ * Copyright (C) 2020-2021 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/>.
+ */
+
+var TabCache = (() => {
+
+  let cache = new Map();
+
+  browser.tabs.onUpdated.addListener((tabId, changes, tab) => {
+    cache.set(tabId, tab);
+  });
+
+  browser.tabs.onRemoved.addListener(tabId => {
+    cache.delete(tabId);
+  });
+
+  (async () => {
+    for (let tab of await browser.tabs.query({})) {
+      cache.set(tab.id, tab);
+    }
+  })();
+
+  return {
+    get(tabId) {
+      return cache.get(tabId);
+    }
+  };
+})();