diff --git a/js/class.js b/js/class.js
index b1b3059f..cd6cd2dc 100644
--- a/js/class.js
+++ b/js/class.js
@@ -62,4 +62,8 @@
    
     return Class;
   };
-})();
\ No newline at end of file
+})();
+
+
+/*************** DO NOT EDIT THE LINE BELOW ***************/
+if (typeof module !== 'undefined') {module.exports = Class;}
\ No newline at end of file