From fce6f4ef668de1630123a937c0144c8a188f622a Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@zulip.com>
Date: Wed, 6 Nov 2024 17:47:21 -0800
Subject: [PATCH] topic_list: Harden topic clicks against propagation.

I saw some profiling traces where it appears multiple copies of this
click handler got processed when clicking on a topic in the left
sidebar.

I suspect that was a profiling artifact, but the intent is for
on_topic_click to fully process clicks on topics in the sidebar, and
we should write the code to say that.
---
 web/src/topic_list.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/web/src/topic_list.ts b/web/src/topic_list.ts
index 7fc84fa68e..eb6dc5b47e 100644
--- a/web/src/topic_list.ts
+++ b/web/src/topic_list.ts
@@ -359,6 +359,7 @@ export function initialize({
             on_topic_click(stream_id, topic);
 
             e.preventDefault();
+            e.stopPropagation();
         },
     );