Issue 5316 - Adds supported filter types export value to requestBlocker

lib/requestBlocker.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
@@ skipping 41 matching lines @@
   // Treat <img srcset> and <picture> the same as other images.
   yield ["imageset", "IMAGE"];
 }());
 
 exports.filterTypes = new Set(function*()
 {
   // Microsoft Edge does not have webRequest.ResourceType or the devtools panel.
   // Since filterTypes is only used by devtools, we can just bail out here.
   if (!(chrome.webRequest.ResourceType))
     return;
+
   for (let type in chrome.webRequest.ResourceType)

[Sebastian Noack, 2017/09/06 18:06:48]

The code looks a little squashed. Perhaps add a blank line above this line?

[Jon Sonesen, 2017/09/07 08:10:04]

Done.

     yield resourceTypes.get(chrome.webRequest.ResourceType[type]) || "OTHER";
-  // WEBSOCKET and WEBRTC get addressed through workarounds, even if webRequest

[Sebastian Noack, 2017/09/06 18:06:48]

Perhaps also add a blank line here?

[Sebastian Noack, 2017/09/06 18:06:48]

"webrequest" => "the webRequest API"

[Jon Sonesen, 2017/09/07 08:10:04]

Done.

-  // is lacking support to block these kind of requests.
+
+  // WEBSOCKET and WEBRTC get addressed through workarounds, even if the
+  // webRequest API is lacking support to block these kind of requests.
   yield "WEBSOCKET";
   yield "WEBRTC";
+
   // POPUP and ELEMHIDE filters aren't blocked on the request level but by other

[Sebastian Noack, 2017/09/06 18:06:49]

Perhaps also add a blank line here?

[Jon Sonesen, 2017/09/07 08:10:04]

Done.

   // means. They don't have a corresponding value in webRequest.ResourceType.
   yield "POPUP";
   yield "ELEMHIDE";
 }());
 
 function onBeforeRequestAsync(page, url, type, docDomain,
                               thirdParty, sitekey,
                               specificOnly, filter)
 {
   if (filter)
@@ skipping 136 matching lines @@
     return false;
   }
 
   return ext.webRequest.onBeforeRequest._dispatch(
      new URL(msg.url),
      msg.requestType,
      sender.page,
      sender.frame
   ).includes(false);
 });