From bf9428aa198caaa2f599063cb6e458c93b29d217 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 21 Jan 2015 10:16:51 -0700
Subject: [PATCH] Read scrollWidth from the presenter state when rendering

---
 src/lines-component.coffee | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/lines-component.coffee b/src/lines-component.coffee
index 9ed77f87f..4b233c55d 100644
--- a/src/lines-component.coffee
+++ b/src/lines-component.coffee
@@ -21,7 +21,12 @@ LinesComponent = React.createClass
     {performedInitialMeasurement, cursorBlinkPeriod, cursorBlinkResumeDelay} = @props
 
     if performedInitialMeasurement
-      {editor, overlayDecorations, highlightDecorations, scrollHeight, scrollWidth, placeholderText, backgroundColor} = @props
+      {editor, presenter, overlayDecorations, highlightDecorations, scrollHeight, placeholderText, backgroundColor} = @props
+
+      @newState = presenter.state.content
+      @oldState ?= {lines: {}}
+
+      {scrollWidth} = @newState
       {lineHeightInPixels, defaultCharWidth, scrollViewHeight, scopedCharacterWidthsChangeCount} = @props
       {scrollTop, scrollLeft, cursorPixelRects} = @props
       style =
@@ -100,10 +105,6 @@ LinesComponent = React.createClass
 
   updateLineNodes: ->
     {presenter, lineDecorations, mouseWheelScreenRow} = @props
-    return unless @newState = presenter?.state.content
-
-    @oldState ?= {lines: {}}
-    @lineNodesByLineId ?= {}
 
     for id of @oldState.lines
       unless @newState.lines.hasOwnProperty(id) or mouseWheelScreenRow is @screenRowsByLineId[id]