From 5c2522942931255934643b576edf52696c167983 Mon Sep 17 00:00:00 2001
From: Russell Ballestrini <russell@unturf.com>
Date: Sun, 30 Nov 2025 14:56:04 -0500
Subject: [PATCH] Fix classList check for non-element nodes

- Add null check for classList before calling contains()
- Handles case where nextSibling might be a text node
- Prevents 'classList is undefined' error
---
 templates/chat.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/chat.html b/templates/chat.html
index 3005767..5ddfc94 100644
--- a/templates/chat.html
+++ b/templates/chat.html
@@ -957,7 +957,7 @@ socket.on("chat_message", (data) => {
                         // Find or create results container and set attempt count
                         // Results container goes after the button container (which is after the <pre>)
                         let resultsContainer = buttonContainer?.nextSibling;
-                        if (!resultsContainer || !resultsContainer.classList.contains('code-execution-results')) {
+                        if (!resultsContainer || !resultsContainer.classList || !resultsContainer.classList.contains('code-execution-results')) {
                             resultsContainer = document.createElement('div');
                             resultsContainer.classList.add('code-execution-results');
                             resultsContainer.style.marginTop = '10px';