From 5be21d6743812a699b9ed8995fa4f50746f9caaf Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 15 Oct 2014 19:42:30 -0600
Subject: [PATCH] Avoid traversing through shadow root on mousewheel events

---
 src/text-editor-component.coffee | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/text-editor-component.coffee b/src/text-editor-component.coffee
index d43e499b3..8b0f71a4c 100644
--- a/src/text-editor-component.coffee
+++ b/src/text-editor-component.coffee
@@ -908,10 +908,10 @@ TextEditorComponent = React.createClass
   lineNumberNodeForScreenRow: (screenRow) -> @refs.gutter.lineNumberNodeForScreenRow(screenRow)
 
   screenRowForNode: (node) ->
-    while node isnt document
+    while node?
       if screenRow = node.dataset.screenRow
         return parseInt(screenRow)
-      node = node.parentNode
+      node = node.parentElement
     null
 
   getFontSize: ->