From ca8e4147b546c53eb91707b1485086d7ee974a5c Mon Sep 17 00:00:00 2001
From: kaesonho <kaesonho@yahoo-inc.com>
Date: Tue, 28 Jul 2015 14:09:11 -0700
Subject: [PATCH] add error handling to check react component

---
 src/mixins/I13nMixin.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mixins/I13nMixin.js b/src/mixins/I13nMixin.js
index 00a0e336..af8ab6ce 100644
--- a/src/mixins/I13nMixin.js
+++ b/src/mixins/I13nMixin.js
@@ -119,6 +119,7 @@ var I13nMixin = {
         if (!this._getReactI13n()) {
             return;
         }
+        clearTimeout(pageInitViewportDetectionTimeout);
         this._createI13nNode();
         this._i13nNode.setReactComponent(this);
     },
@@ -306,7 +307,10 @@ var I13nMixin = {
         self._detectViewport(function detectCallback () {
             if (self._i13nNode.isInViewport()) {
                 self._i13nNode.getChildrenNodes().forEach(function detectChildrenViewport (childNode) {
-                    childNode.getReactComponent()._recursiveDetectViewport();
+                    var reactComponent = childNode.getReactComponent();
+                    if (reactComponent) {
+                        reactComponent._recursiveDetectViewport();
+                    }
                 });
             }
         });