Issue 5079, 5516 - Use webpack for browser tests, modules for content scripts

lib/content/elemHideEmulation.js

Index: lib/content/elemHideEmulation.js
diff --git a/chrome/content/elemHideEmulation.js b/lib/content/elemHideEmulation.js
similarity index 93%
rename from chrome/content/elemHideEmulation.js
rename to lib/content/elemHideEmulation.js
index 447a479a6fc9e835291506c7a3127b809d17a4de..9c0539480cab195dcee47a84f6a10fd1093d2b05 100644
--- a/chrome/content/elemHideEmulation.js
+++ b/lib/content/elemHideEmulation.js
@@ -15,51 +15,13 @@
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* globals filterToRegExp */
-
 "use strict";
 
+const {filterToRegExp, splitSelector} = require("common");
+
 const MIN_INVOCATION_INTERVAL = 3000;
 const abpSelectorRegexp = /:-abp-([\w-]+)\(/i;
 
-function splitSelector(selector)
-{
-  if (selector.indexOf(",") == -1)
-    return [selector];
-
-  let selectors = [];
-  let start = 0;
-  let level = 0;
-  let sep = "";
-
-  for (let i = 0; i < selector.length; i++)
-  {
-    let chr = selector[i];
-
-    if (chr == "\\")        // ignore escaped characters
-      i++;
-    else if (chr == sep)    // don't split within quoted text
-      sep = "";             // e.g. [attr=","]
-    else if (sep == "")
-    {
-      if (chr == '"' || chr == "'")
-        sep = chr;
-      else if (chr == "(")  // don't split between parentheses
-        level++;            // e.g. :matches(div,span)
-      else if (chr == ")")
-        level = Math.max(0, level - 1);
-      else if (chr == "," && level == 0)
-      {
-        selectors.push(selector.substring(start, i));
-        start = i + 1;
-      }
-    }
-  }
-
-  selectors.push(selector.substring(start));
-  return selectors;
-}
-
 /** Return position of node from parent.
  * @param {Node} node the node to find the position of.
  * @return {number} One-based index like for :nth-child(), or 0 on error.
@@ -512,3 +474,5 @@ ElemHideEmulation.prototype = {
     });
   }
 };
+
+exports.ElemHideEmulation = ElemHideEmulation;