Add check for nativeEvent functions

Author: billyma

components/utils/EventUtil.js

@@ -16,8 +16,11 @@ const EventUtil = {
   trapEvent(event){
     event.preventDefault();
     event.stopPropagation();
-    if(event.nativeEvent){
+    if(event.nativeEvent && event.nativeEvent.preventDefault){
       event.nativeEvent.preventDefault();
+    }
+
+    if (event.nativeEvent && event.nativeEvent.stopPropagation){
       event.nativeEvent.stopPropagation();
     }
   },
@@ -27,12 +30,12 @@ const EventUtil = {
   },
 
   trapImmediate(event){
-    if(event.nativeEvent){
+    if(event.nativeEvent && event.nativeEvent.stopImmediatePropagation){
       event.nativeEvent.stopImmediatePropagation();
     }
     EventUtil.trap(event);
   }
 
 };
 
-module.exports = EventUtil;
+module.exports = EventUtil;