From b16f9d42b1d5d8d2e1b660f387af4b7f15294e3a Mon Sep 17 00:00:00 2001
From: Johannes Lumpe <johannes@johanneslumpe.de>
Date: Thu, 18 Jun 2015 18:26:07 +0300
Subject: [PATCH] Guard against a null node

This could fix #2619
---
 src/addons/transitions/ReactCSSTransitionGroupChild.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/addons/transitions/ReactCSSTransitionGroupChild.js b/src/addons/transitions/ReactCSSTransitionGroupChild.js
index 519e07ad055fc..5f65fe3d55428 100644
--- a/src/addons/transitions/ReactCSSTransitionGroupChild.js
+++ b/src/addons/transitions/ReactCSSTransitionGroupChild.js
@@ -48,6 +48,14 @@ var ReactCSSTransitionGroupChild = React.createClass({
 
   transition: function(animationType, finishCallback) {
     var node = React.findDOMNode(this);
+
+    if (!node) {
+      if (finishCallback) {
+        finishCallback();
+      }
+      return;
+    }
+
     var className = this.props.name + '-' + animationType;
     var activeClassName = className + '-active';
     var noEventTimeout = null;