From bf5dfc87dc2a422122b0addc43cabda4d3cf4c98 Mon Sep 17 00:00:00 2001
From: Ian Obermiller <iano@fb.com>
Date: Mon, 19 May 2014 13:17:14 -0700
Subject: [PATCH] Error in extractEvents

If the event is on the window object, topScroll, for instance, the topLevelTarget will not have getAttribute defined. Restore the previous `|| !topLevelTarget.attributes` check to avoid an error on every scroll.
---
 src/browser/eventPlugins/AnalyticsEventPluginFactory.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/browser/eventPlugins/AnalyticsEventPluginFactory.js b/src/browser/eventPlugins/AnalyticsEventPluginFactory.js
index 3bd5b7a3b8..4528cb9462 100644
--- a/src/browser/eventPlugins/AnalyticsEventPluginFactory.js
+++ b/src/browser/eventPlugins/AnalyticsEventPluginFactory.js
@@ -149,7 +149,7 @@ function extractEvents(
     topLevelTargetID,
     nativeEvent) {
   var currentEvent = topLevelTypesToAnalyticsEvent[topLevelType];
-  if (!currentEvent || !topLevelTarget) {
+  if (!currentEvent || !topLevelTarget || !topLevelTarget.attributes) {
     return null;
   }