Noissue - Use destructuring

lib/url.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 16 matching lines @@
  * and "data:" URLs) it falls back to the parent frame.
  *
  * @param {?Frame}  frame
  * @param {URL}    [originUrl]
  * @return {string}
  */
 exports.extractHostFromFrame = (frame, originUrl) =>
 {
   for (; frame; frame = frame.parent)
   {
-    let hostname = frame.url.hostname;
+    let {hostname} = frame.url;
     if (hostname)
       return hostname;
   }
 
   return originUrl ? originUrl.hostname : "";
 };
 
 function isDomain(hostname)
 {
   // No hostname or IPv4 address, also considering hexadecimal octets.
@@ skipping 18 matching lines @@
   documentHost = documentHost.replace(/\.+$/, "");
 
   if (requestHost == documentHost)
     return false;
 
   if (!isDomain(requestHost) || !isDomain(documentHost))
     return true;
 
   return getDomain(requestHost) != getDomain(documentHost);
 };