fix (index, val) syntax index update

yyx990803 · yyx990803 · commit b57cdf2ca939 · 2015-10-26T21:51:20.000-04:00
diff --git a/src/directives/public/for.js b/src/directives/public/for.js
@@ -121,9 +121,10 @@ module.exports = {
         // update $key
         if (key) {
           frag.scope.$key = key
-          if (iterator) {
-            frag.scope[iterator] = key
-          }
+        }
+        // update interator
+        if (iterator) {
+          frag.scope[iterator] = key || i
         }
         // update data for track-by, object repeat &
         // primitive values.
