fix(common): NgForIn should not call super hooks if not exist

trotyl · Apr 23, 2018 · 6f377e6 · 6f377e6
1 parent ec3bd09
commit 6f377e6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/common/for-in/for-in.ts b/packages/common/for-in/for-in.ts
@@ -17,7 +17,9 @@ export class NgForIn extends NgForOf<string> implements DoCheck, OnChanges {
       changes['ngForOf'] = new SimpleChange(this.previousKeys, keys, change.isFirstChange());
       this.previousKeys = keys;
     }
-    super.ngOnChanges(changes);
+    if (super.ngOnChanges) {
+      super.ngOnChanges(changes);
+    }
   }
 
   ngDoCheck(): void {