ensure super works on prototype challenged platforms (IE). This ensur…

…es we find Element.bind via super.
Polymer · Sep 17, 2013 · 5c5df3d · 5c5df3d
1 parent 6180e9a
commit 5c5df3d
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/src/lib/super.js b/src/lib/super.js
@@ -56,16 +56,17 @@
         return fn.apply(this, arrayOfArgs || []);
       }
     };
-
     function nextSuper(proto, name, caller) {
       // look for an inherited prototype that implements name
-      while (proto &&
-          (!proto.hasOwnProperty(name) || proto[name] === caller)) {
+      while (proto) {
+        if ((proto[name] !== caller) && proto[name]) {
+          return proto;
+        }
         proto = getPrototypeOf(proto);
       }
-      return proto;
     };
 
+
     function memoizeSuper(method, name, proto) {
       // find and cache next prototype containing `name`
       // we need the prototype so we can do another lookup