From 42e0c7a4202fdd4594fb50afb1aeec77332cae0a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Mon, 28 Jan 2019 18:48:56 +0300
Subject: [PATCH] feedTree: amend previous to check that nodes are actually
 there

---
 js/FeedTree.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/js/FeedTree.js b/js/FeedTree.js
index b20b5eb20..489aedaf0 100755
--- a/js/FeedTree.js
+++ b/js/FeedTree.js
@@ -276,9 +276,11 @@ define(["dojo/_base/declare", "dojo/dom-construct", "dijit/Tree", "dijit/Menu"],
 					const node = treeNode.rowNode;
 					const tree = this.domNode;
 
-					// scroll tree to selection if needed
-					if (node.offsetTop < tree.scrollTop || node.offsetTop > tree.scrollTop + tree.clientHeight) {
-						$("feedTree").scrollTop = node.offsetTop;
+					if (node && tree) {
+						// scroll tree to selection if needed
+						if (node.offsetTop < tree.scrollTop || node.offsetTop > tree.scrollTop + tree.clientHeight) {
+							$("feedTree").scrollTop = node.offsetTop;
+						}
 					}
 
 				}, 0);