Issue 5728 - Replace Services.vc.compare

lib/coreUtils.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 @@
 
   return descriptor;
 }
 exports.desc = desc;
 
 function extend(cls, properties)
 {
   return Object.create(cls.prototype, desc(properties));
 }
 exports.extend = extend;
+
+function compareVersion(v1, v2)
+{
+  let components1 = v1.split(".");
+  let components2 = v2.split(".");
+  let result = 0;
+
+  for (let i = 0; result == 0 && (i < components1.length ||
+                                  i < components2.length); i++)
+  {
+    let comp1 = components1[i];
+    let comp2 = components2[i];
+
+    result = (comp1 == "*" ? Infinity : parseInt(comp1, 10) || 0) -
+             (comp2 == "*" ? Infinity : parseInt(comp2, 10) || 0) || 0;
+  }
+
+  return result;
+}
+exports.compareVersion = compareVersion;