From d35b31cbef2ae3c637764b6db6fdf26835220171 Mon Sep 17 00:00:00 2001
From: Ben Hardill <hardillb@gmail.com>
Date: Fri, 5 Sep 2025 14:25:37 +0100
Subject: [PATCH] Catch errors from RED.comms.subscribe callback

fixes #5262
---
 .../node_modules/@node-red/editor-client/src/js/comms.js  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/comms.js b/packages/node_modules/@node-red/editor-client/src/js/comms.js
index 715572b9d..2af8b69a6 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/comms.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/comms.js
@@ -116,7 +116,13 @@ RED.comms = (function() {
                                     var subscribers = subscriptions[t];
                                     if (subscribers) {
                                         for (var i=0;i<subscribers.length;i++) {
-                                            subscribers[i](msg.topic,msg.data);
+                                            try {
+                                                subscribers[i](msg.topic,msg.data);
+                                            } catch (error) {
+                                                // need to decide what to do with this uncaught error
+                                                console.warn('Uncaught error from RED.comms.subscribe: ' + err.toString())
+                                                console.warn(err)
+                                            }
                                         }
                                     }
                                 }