Noissue - Avoid setting ActiveFilter.domainSource

lib/filterClasses.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 287 matching lines @@
  * @param {string} [domains]
  *   Domains that the filter is restricted to separated by domainSeparator
  *   e.g. "foo.com|bar.com|~baz.com"
  * @constructor
  * @augments Filter
  */
 function ActiveFilter(text, domains)
 {
   Filter.call(this, text);
 
-  this.domainSource = domains;
+  if (domains)
+    this.domainSource = domains;
 }
 exports.ActiveFilter = ActiveFilter;
 
 ActiveFilter.prototype = extend(Filter, {
   _disabled: false,
   _hitCount: 0,
   _lastHit: 0,
 
   /**
    * Defines whether the filter is disabled
@@ skipping 780 matching lines @@
  */
 function ElemHideEmulationFilter(text, domains, selector)
 {
   ElemHideBase.call(this, text, domains, selector);
 }
 exports.ElemHideEmulationFilter = ElemHideEmulationFilter;
 
 ElemHideEmulationFilter.prototype = extend(ElemHideBase, {
   type: "elemhideemulation"
 });