From 274ca33959dd75366e339aa6c65ce891b659972f Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Fri, 18 Apr 2014 16:13:18 -0600
Subject: [PATCH] Don't measure height and width unless component is mounted

Since we measure in requestAnimationFrame, it's possible to request
measurement prior to be unmounted and have it occur afterward.
---
 src/editor-scroll-view-component.coffee | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/editor-scroll-view-component.coffee b/src/editor-scroll-view-component.coffee
index e89ffec12..ba2a50755 100644
--- a/src/editor-scroll-view-component.coffee
+++ b/src/editor-scroll-view-component.coffee
@@ -180,6 +180,8 @@ EditorScrollViewComponent = React.createClass
   # and use the scrollHeight / scrollWidth as its height and width in
   # calculations.
   measureHeightAndWidth: ->
+    return unless @isMounted()
+
     {editor} = @props
     node = @getDOMNode()
     computedStyle = getComputedStyle(node)