From 94cc517472b2c5ee24e2a9a49c180f673264d900 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Wed, 11 Mar 2026 14:22:32 +0000
Subject: [PATCH] Add error handling for markdown parser

---
 .../@node-red/editor-client/src/js/ui/utils.js        | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/utils.js b/packages/node_modules/@node-red/editor-client/src/js/ui/utils.js
index a70b36136..bb5f5ba10 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/utils.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/utils.js
@@ -121,9 +121,14 @@ RED.utils = (function() {
     window._marked.use({extensions: [descriptionList, description] } );
 
     function renderMarkdown(txt) {
-        var rendered = _marked.parse(txt);
-        const cleaned = DOMPurify.sanitize(rendered);
-        return cleaned;
+        try {
+            var rendered = _marked.parse(txt);
+            const cleaned = DOMPurify.sanitize(rendered);
+            return cleaned;
+        } catch (err) {
+            console.warn(err);
+            return txt
+        }
     }
 
     function formatString(str) {