Issue 6745 - Prefer strict equality operator

lib/common.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 58 matching lines @@
 
   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
+    if (chr === "\\")        // ignore escaped characters
       i++;
-    else if (chr == sep)    // don't split within quoted text
-      sep = "";             // e.g. [attr=","]
-    else if (sep == "")
+    else if (chr === sep)    // don't split within quoted text
+      sep = "";              // e.g. [attr=","]
+    else if (sep === "")
     {
-      if (chr == '"' || chr == "'")
+      if (chr === '"' || chr === "'")
         sep = chr;
-      else if (chr == "(")  // don't split between parentheses
-        level++;            // e.g. :matches(div,span)
-      else if (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)
+      else if (chr === "," && level === 0)
       {
         selectors.push(selector.substring(start, i));
         start = i + 1;
       }
     }
   }
 
   selectors.push(selector.substring(start));
   return selectors;
 }
 
 exports.splitSelector = splitSelector;