Issue 4871 - Start using ESLint for adblockplusui

lib/antiadblockInit.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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/>.
  */
 
+/* globals Cu */
+
+"use strict";
+
 Cu.import("resource://gre/modules/Services.jsm");
 
 let {Utils} = require("utils");
 let {Prefs} = require("prefs");
 let {ActiveFilter} = require("filterClasses");
 let {FilterStorage} = require("filterStorage");
 let {FilterNotifier} = require("filterNotifier");
 let {Subscription} = require("subscriptionClasses");
 let {Notification} = require("notification");
 
@@ skipping 17 matching lines @@
   function addAntiAdblockNotification(subscription)
   {
     let urlFilters = [];
     for (let filter of subscription.filters)
     {
       if (filter instanceof ActiveFilter)
       {
         for (let domain in filter.domains)
         {
           let urlFilter = "||" + domain + "^$document";
-          if (domain && filter.domains[domain] && urlFilters.indexOf(urlFilter) == -1)
+          if (domain && filter.domains[domain] &&
+              urlFilters.indexOf(urlFilter) == -1)
             urlFilters.push(urlFilter);
         }
       }
     }
     notification.urlFilters = urlFilters;
     Notification.addNotification(notification);
     Notification.addQuestionListener(notification.id, notificationListener);
   }
 
   function removeAntiAdblockNotification()
   {
     Notification.removeNotification(notification);
     Notification.removeQuestionListener(notification.id, notificationListener);
   }
 
-  let subscription = Subscription.fromURL(Prefs.subscriptions_antiadblockurl);
-  if (subscription.lastDownload && subscription.disabled)
-    addAntiAdblockNotification(subscription);
+  {

[Thomas Greiner, 2017/03/01 17:39:35]

I assume this is necessary due to the "no-shadow" rule but it's pretty
non-intuitive nevertheless because it looks like we do this because
`subscription` is being redeclared here.

Therefore it'd be great if we could handle this conflict in a clearer way.

[kzar, 2017/03/07 12:48:32]

Done.

+    let subscription = Subscription.fromURL(Prefs.subscriptions_antiadblockurl);
+    if (subscription.lastDownload && subscription.disabled)
+      addAntiAdblockNotification(subscription);
+  }
 
   function onSubscriptionChange(subscription)
   {
     let url = Prefs.subscriptions_antiadblockurl;
     if (url != subscription.url)
       return;
 
     if (url in FilterStorage.knownSubscriptions && !subscription.disabled)
       addAntiAdblockNotification(subscription);
     else
       removeAntiAdblockNotification();
   }
 
   FilterNotifier.on("subscription.updated", onSubscriptionChange);
   FilterNotifier.on("subscription.removed", onSubscriptionChange);
   FilterNotifier.on("subscription.disabled", onSubscriptionChange);
-}
+};