From f2e74954d79e3ff28e2ed950e6fae8c92700e787 Mon Sep 17 00:00:00 2001
From: Fabian Braun <fsbraun@gmx.de>
Date: Tue, 7 Jan 2025 00:54:00 +0100
Subject: [PATCH] Add check for existence of classList in node

---
 private/js/tiptap_plugins/cms.styles.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/private/js/tiptap_plugins/cms.styles.js b/private/js/tiptap_plugins/cms.styles.js
index f586931..7eb27be 100644
--- a/private/js/tiptap_plugins/cms.styles.js
+++ b/private/js/tiptap_plugins/cms.styles.js
@@ -174,7 +174,9 @@ function validateAttributes(node, styleAttributes) {
     if (!styleAttributes) {
         return true;
     }
-
+    if (!node?.classList) {
+        return false;
+    }
     if (styleAttributes.class) {
         const requiredClasses = styleAttributes.class.split(' ');
         if (!requiredClasses.every(cls => node.classList.contains(cls))) {