Issue 4864 - Start using ESLint for adblockpluschrome

chrome/ext/common.js

+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2017 eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+"use strict";
+
+(function()
+{
+  // Workaround since HTMLCollection and NodeList didn't have iterator support
+  // before Chrome 51.
+  // https://bugs.chromium.org/p/chromium/issues/detail?id=401699
+  let arrayIterator = Array.prototype[Symbol.iterator];
+  if (!(Symbol.iterator in HTMLCollection.prototype))
+    HTMLCollection.prototype[Symbol.iterator] = arrayIterator;
+  if (!(Symbol.iterator in NodeList.prototype))
+    NodeList.prototype[Symbol.iterator] = arrayIterator;
+
+  /* Message passing */
+
+  ext.onMessage = new ext._EventTarget();
+
+
+  /* Background page */
+
+  ext.backgroundPage = {
+    sendMessage: chrome.runtime.sendMessage,
+    getWindow()
+    {
+      return chrome.extension.getBackgroundPage();
+    }
+  };
+
+
+  /* Utils */
+
+  ext.getURL = chrome.extension.getURL;
+  ext.i18n = chrome.i18n;
+}());