Issue 5685 - Pass ESLint

lib/init.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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";
+
 let {Prefs} = require("prefs");
 let {FilterNotifier} = require("filterNotifier");
 
 let filtersInitDone = false;
 
-function checkInitialized()
+let checkInitialized = () =>
 {
   if (Prefs.initialized && filtersInitDone)
   {
-    checkInitialized = function() {};
+    checkInitialized = () => {};
     _triggerEvent("_init", require("filterStorage").FilterStorage.firstRun);
   }
-}
+};
 
 Prefs._initListener = function()
 {
   checkInitialized();
 };
 
 if (Prefs.initialized)
   checkInitialized();
 
-FilterNotifier.addListener(function(action)
+FilterNotifier.addListener(action =>
 {
   if (action === "load")
   {
     let {FilterStorage} = require("filterStorage");
     if (FilterStorage.firstRun)
     {
       // No data, must be a new user or someone with corrupted data - initialize
       // with default settings
 
-      let {Subscription, DownloadableSubscription} = require("subscriptionClasses");
-      let {Synchronizer} = require("synchronizer");
-      let {Prefs} = require("prefs");
-      let {Utils} = require("utils");
+      const {Subscription, DownloadableSubscription} =
+        require("subscriptionClasses");
+      const {Synchronizer} = require("synchronizer");
+      const {Utils} = require("utils");
 
       if (Prefs.first_run_subscription_auto_select)
       {
         let subscriptions = require("subscriptions.xml");
         let node = Utils.chooseFilterSubscription(subscriptions);
         if (node)
         {
           let subscription = Subscription.fromURL(node.url);
           subscription.disabled = false;
           subscription.title = node.title;
           subscription.homepage = node.homepage;
           FilterStorage.addSubscription(subscription);
-          if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
+          if (subscription instanceof DownloadableSubscription &&
+              !subscription.lastDownload)
             Synchronizer.execute(subscription);
         }
 
-        let aaSubscription = Subscription.fromURL(Prefs.subscriptions_exceptionsurl);
+        let aaSubscription =
+            Subscription.fromURL(Prefs.subscriptions_exceptionsurl);
         aaSubscription.disabled = false;
         FilterStorage.addSubscription(aaSubscription);
-        if (aaSubscription instanceof DownloadableSubscription && !aaSubscription.lastDownload)
+        if (aaSubscription instanceof DownloadableSubscription &&
+            !aaSubscription.lastDownload)
           Synchronizer.execute(aaSubscription);
       }
     }
 
     filtersInitDone = true;
     checkInitialized();
   }
 });