Issue 4864 - Start using ESLint for adblockpluschrome

composer.postload.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/>.
  */
 
+/* globals checkCollapse, elemhide, getURLsFromElement, typeMap  */
+
 "use strict";
 
 // The page ID for the popup filter selection dialog (top frame only).
 let blockelementPopupId = null;
 
 // Element picking state (top frame only).
 let currentlyPickingElement = false;
 let lastMouseOverEvent = null;
 
 // During element picking this is the currently highlighted element. When
 // element has been picked this is the element that is due to be blocked.
 let currentElement = null;
 
 // Highlighting state, used by the top frame during element picking and all
 // frames when the chosen element is highlighted red.
 let highlightedElementsSelector = null;
 let highlightedElementsInterval = null;
 
 // Last right click state stored for element blocking via the context menu.
 let lastRightClickEvent = null;
 let lastRightClickEventIsMostRecent = false;
 
 
 /* Utilities */
 
 function getFiltersForElement(element, callback)
 {
   let src = element.getAttribute("src");
-  ext.backgroundPage.sendMessage(
-  {
+  ext.backgroundPage.sendMessage({
     type: "composer.getFilters",
     tagName: element.localName,
     id: element.id,
     src: src && src.length <= 1000 ? src : null,
     style: element.getAttribute("style"),
     classes: Array.prototype.slice.call(element.classList),
     urls: getURLsFromElement(element),
-    mediatype: typeMap[element.localName],
+    mediatype: typeMap.get(element.localName),
     baseURL: document.location.href
   },
   response =>
   {
     callback(response.filters, response.selectors);
   });
 }
 
 function getBlockableElementOrAncestor(element, callback)
 {
@@ skipping 315 matching lines @@
 {
   if (!currentElement)
     return;
 
   let element = currentElement.prisoner || currentElement;
   getFiltersForElement(element, (filters, selectors) =>
   {
     if (currentlyPickingElement)
       stopPickingElement();
 
-    ext.backgroundPage.sendMessage(
-    {
+    ext.backgroundPage.sendMessage({
       type: "composer.openDialog"
     },
     popupId =>
     {
-      ext.backgroundPage.sendMessage(
-      {
+      ext.backgroundPage.sendMessage({
         type: "forward",
         targetPageId: popupId,
-        payload:
-        {
-          type: "composer.dialog.init",
-          filters: filters
-        }
+        payload: {type: "composer.dialog.init", filters}
       });
 
       // Only the top frame keeps a record of the popup window's ID,
       // so if this isn't the top frame we need to pass the ID on.
       if (window == window.top)
       {
         blockelementPopupId = popupId;
       }
       else
       {
-        ext.backgroundPage.sendMessage(
-        {
+        ext.backgroundPage.sendMessage({
           type: "forward",
-          payload:
-          {
-            type: "composer.content.dialogOpened",
-            popupId: popupId
-          }
+          payload: {type: "composer.content.dialogOpened", popupId}
         });
       }
     });
 
     if (selectors.length > 0)
       highlightElements(selectors.join(","));
 
     highlightElement(currentElement, "#fd1708", "#f6a1b5");
   });
 
@@ skipping 20 matching lines @@
 /* Core logic */
 
 // We're done with the block element feature for now, tidy everything up.
 function deactivateBlockElement()
 {
   if (currentlyPickingElement)
     stopPickingElement();
 
   if (blockelementPopupId != null)
   {
-    ext.backgroundPage.sendMessage(
-    {
+    ext.backgroundPage.sendMessage({
       type: "forward",
       targetPageId: blockelementPopupId,
       payload:
       {
         type: "composer.dialog.close"
       }
     });
 
     blockelementPopupId = null;
   }
@@ skipping 21 matching lines @@
   // this because the contextMenu API only provides a URL, not the actual DOM
   // element.
   //   We also need to make sure that the previous right click event,
   // if there is one, is removed. We don't know which frame it is in so we must
   // send a message to the other frames to clear their old right click events.
   document.addEventListener("contextmenu", event =>
   {
     lastRightClickEvent = event;
     lastRightClickEventIsMostRecent = true;
 
-    ext.backgroundPage.sendMessage(
-    {
+    ext.backgroundPage.sendMessage({
       type: "forward",
       payload:
       {
         type: "composer.content.clearPreviousRightClickEvent"
       }
     });
   }, true);
 
   ext.onMessage.addListener((msg, sender, sendResponse) =>
   {
     switch (msg.type)
     {
       case "composer.content.getState":
         if (window == window.top)
+        {
           sendResponse({
             active: currentlyPickingElement || blockelementPopupId != null
           });
+        }
         break;
       case "composer.content.startPickingElement":
         if (window == window.top)
           startPickingElement();
         break;
       case "composer.content.contextMenuClicked":
         let event = lastRightClickEvent;
         deactivateBlockElement();
         if (event)
         {
@@ skipping 29 matching lines @@
         break;
       case "composer.content.dialogOpened":
         if (window == window.top)
           blockelementPopupId = msg.popupId;
         break;
       case "composer.content.dialogClosed":
         // The onRemoved hook for the popup can create a race condition, so we
         // to be careful here. (This is not perfect, but best we can do.)
         if (window == window.top && blockelementPopupId == msg.popupId)
         {
-          ext.backgroundPage.sendMessage(
-          {
+          ext.backgroundPage.sendMessage({
             type: "forward",
             payload:
             {
               type: "composer.content.finished"
             }
           });
         }
         break;
     }
   });
 
   if (window == window.top)
     ext.backgroundPage.sendMessage({type: "composer.ready"});
 }