Issue 4864 - Start using ESLint for adblockpluschrome

lib/notificationHelper.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
@@ skipping 115 matching lines @@
       ext.showOptions(page =>
       {
         page.sendMessage({
           type: "app.respond",
           action: "focusSection",
           args: ["notifications"]
         });
       });
       break;
     case "question":
-      NotificationStorage.triggerQuestionListeners(activeNotification.id, buttonIndex == 0);
+      NotificationStorage.triggerQuestionListeners(activeNotification.id,
+                                                   buttonIndex == 0);
       NotificationStorage.markAsShown(activeNotification.id);
       activeNotification.onClicked();
       break;
   }
 }
 
 function notificationClosed()
 {
   activeNotification = null;
 }
 
 function initChromeNotifications()
 {
-  // Chrome hides notifications in notification center when clicked so we need to clear them
+  // Chrome hides notifications in notification center when clicked so
+  // we need to clear them.
   function clearActiveNotification(notificationId)
   {
-    if (activeNotification && activeNotification.type != "question" && !("links" in activeNotification))
+    if (activeNotification &&
+        activeNotification.type != "question" &&
+        !("links" in activeNotification))
       return;
 
     chrome.notifications.clear(notificationId, wasCleared =>
     {
       if (wasCleared)
         notificationClosed();
     });
   }
 
-  chrome.notifications.onButtonClicked.addListener((notificationId, buttonIndex) =>
-  {
-    notificationButtonClick(buttonIndex);
-    clearActiveNotification(notificationId);
-  });
+  chrome.notifications.onButtonClicked.addListener(
+    (notificationId, buttonIndex) =>
+    {
+      notificationButtonClick(buttonIndex);
+      clearActiveNotification(notificationId);
+    }
+  );
   chrome.notifications.onClicked.addListener(clearActiveNotification);
   chrome.notifications.onClosed.addListener(notificationClosed);
 }
 
 function showNotification(notification)
 {
   if (activeNotification && activeNotification.id == notification.id)
     return;
 
   activeNotification = notification;
   if (shouldDisplay("notification", activeNotification.type))
   {
     let texts = NotificationStorage.getLocalizedTexts(notification);
     let title = texts.title || "";
-    let message = texts.message ? texts.message.replace(/<\/?(a|strong)>/g, "") : "";
+    let message = (texts.message || "").replace(/<\/?(a|strong)>/g, "");
     let iconUrl = ext.getURL("icons/detailed/abp-128.png");
     let linkCount = (activeNotification.links || []).length;
 
     if ("notifications" in chrome)
     {
-      activeButtons = getNotificationButtons(activeNotification.type, texts.message);
+      activeButtons = getNotificationButtons(activeNotification.type,
+                                             texts.message);
       chrome.notifications.create("", {
         type: "basic",
-        title: title,
-        iconUrl: iconUrl,
-        message: message,
+        title,
+        iconUrl,
+        message,
         buttons: activeButtons.map(button => ({title: button.title})),
-        priority: 2 // We use the highest priority to prevent the notification from closing automatically
+        // We use the highest priority to prevent the notification
+        // from closing automatically.
+        priority: 2
       });
     }
     else if ("Notification" in window && activeNotification.type != "question")
     {
       if (linkCount > 0)
         message += " " + ext.i18n.getMessage("notification_without_buttons");
 
-      let notification = new Notification(
+      let notif = new Notification(

[Wladimir Palant, 2017/03/14 13:03:28]

I understand that the point here is to avoid masking the notification parameter.
However, this change doesn't really help making this code more obvious. I.e.,
what's the difference between notification and notif variables? How about
indicating this one as a UI element by naming it "widget"?

[kzar, 2017/03/15 04:57:51]

Done.

         title,
         {
           lang: Utils.appLocale,
           dir: ext.i18n.getMessage("@@bidi_dir"),
           body: message,
           icon: iconUrl
         }
       );
 
-      notification.addEventListener("click", openNotificationLinks);
-      notification.addEventListener("close", notificationClosed);
+      notif.addEventListener("click", openNotificationLinks);
+      notif.addEventListener("close", notificationClosed);
     }
     else
     {
-      let message = title + "\n" + message;
+      message = title + "\n" + message;
       if (linkCount > 0)
         message += "\n\n" + ext.i18n.getMessage("notification_with_buttons");
 
       let approved = confirm(message);
       if (activeNotification.type == "question")
         notificationButtonClick(approved ? 0 : 1);
       else if (approved)
         openNotificationLinks();
     }
   }
   prepareNotificationIconAndPopup();
 
   if (notification.type !== "question")
     NotificationStorage.markAsShown(notification.id);
-};
+}
 
 /**
  * Initializes the notification system.
  */
 exports.initNotifications = () =>
 {
   if ("notifications" in chrome)
     initChromeNotifications();
   initAntiAdblockNotification();
 };
@@ skipping 19 matching lines @@
   let methods = displayMethods[notificationType] || defaultDisplayMethods;
   return methods.indexOf(method) > -1;
 };
 
 ext.pages.onLoading.addListener(page =>
 {
   NotificationStorage.showNext(stringifyURL(page.url));
 });
 
 NotificationStorage.addShowListener(showNotification);