From 9920505c03bda50126c2244fa1a3fa0e900d70e2 Mon Sep 17 00:00:00 2001
From: Dariusz Szut <dew326@gmail.com>
Date: Wed, 8 Jul 2020 11:32:45 +0200
Subject: [PATCH] EZP-31730: [Content-Tree] Uncaught TypeError: Cannot read
 property 'contains' of undefined

---
 .../Resources/public/js/scripts/helpers/tooltips.helper.js    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bundle/Resources/public/js/scripts/helpers/tooltips.helper.js b/src/bundle/Resources/public/js/scripts/helpers/tooltips.helper.js
index 9a7312875b..3fdfb4140c 100644
--- a/src/bundle/Resources/public/js/scripts/helpers/tooltips.helper.js
+++ b/src/bundle/Resources/public/js/scripts/helpers/tooltips.helper.js
@@ -1,4 +1,4 @@
-(function (global, doc, eZ, $) {
+(function(global, doc, eZ, $) {
     let lastInsertTooltipTarget = null;
     const TOOLTIPS_SELECTOR = '[title]';
     const observerConfig = {
@@ -12,7 +12,7 @@
 
                 if (removedNodes.length) {
                     removedNodes.forEach((removedNode) => {
-                        if (!removedNode.classList.contains('ez-tooltip')) {
+                        if (removedNode.classList && !removedNode.classList.contains('ez-tooltip')) {
                             lastInsertTooltipTarget = null;
                             doc.querySelectorAll('.ez-tooltip.show').forEach((tooltipNode) => {
                                 tooltipNode.remove();