From 329115bf05b8a55156191a276cb13d3f9cea9928 Mon Sep 17 00:00:00 2001
From: Andrew Ozz <azaozz@git.wordpress.org>
Date: Fri, 6 Feb 2015 22:24:43 +0000
Subject: [PATCH] Editor: prevent errors in editor-expand when the Text editor
 is not used. Props iseulde, fixes #31163.

git-svn-id: https://develop.svn.wordpress.org/trunk@31361 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/js/editor-expand.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/wp-admin/js/editor-expand.js b/src/wp-admin/js/editor-expand.js
index 71dd130ad3..fac78239ac 100644
--- a/src/wp-admin/js/editor-expand.js
+++ b/src/wp-admin/js/editor-expand.js
@@ -323,7 +323,7 @@
 			var windowPos = $window.scrollTop(),
 				type = event && event.type,
 				resize = type !== 'scroll',
-				visual = ( mceEditor && ! mceEditor.isHidden() ),
+				visual = mceEditor && ! mceEditor.isHidden(),
 				buffer = autoresizeMinHeight,
 				postBodyTop = $postBody.offset().top,
 				borderWidth = 1,
@@ -350,6 +350,11 @@
 				topHeight = heights.textTopHeight;
 			}
 
+			// TinyMCE still intializing.
+			if ( ! visual && ! $top.length ) {
+				return;
+			}
+
 			topPos = $top.parent().offset().top;
 			editorPos = $editor.offset().top;
 			editorHeight = $editor.outerHeight();