Noissue - Use suffixes function

lib/domain.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 28 matching lines @@
   return map;
 }
 
 /**
  * Yields all suffixes for a domain. For example, given the domain
  * <code>www.example.com</code>, this function yields
  * <code>www.example.com</code>, <code>example.com</code>, and
  * <code>com</code>, in that order.
  *
  * @param {string} domain The domain.
+ * @param {boolean} [includeBlank] Whether to include the blank suffix at the
+ *   end.
+ *
  * @yields {string} The next suffix for the domain.
  */
-function* suffixes(domain)
+function* suffixes(domain, includeBlank = false)
 {
   while (domain != "")
   {
     yield domain;
 
     let dotIndex = domain.indexOf(".");
     domain = dotIndex == -1 ? "" : domain.substr(dotIndex + 1);
   }
+
+  if (includeBlank)
+    yield "";
 }
 
+exports.suffixes = suffixes;
+
 /**
  * Checks whether the given hostname is a domain.
  *
  * @param {string} hostname
  * @returns {boolean}
  */
 function isDomain(hostname)
 {
   // No hostname or IPv4 address, also considering hexadecimal octets.
   if (/^((0x[\da-f]+|\d+)(\.|$))*$/i.test(hostname))
@@ skipping 60 matching lines @@
   if (requestHostname == documentHostname)
     return false;
 
   if (!isDomain(requestHostname) || !isDomain(documentHostname))
     return true;
 
   return getDomain(requestHostname) != getDomain(documentHostname);
 }
 
 exports.isThirdParty = isThirdParty;