From 740b6e1389911eeea860cfccd4bad218fe33f3bd Mon Sep 17 00:00:00 2001
From: wxiaoguang <wxiaoguang@gmail.com>
Date: Thu, 16 May 2024 21:04:25 +0800
Subject: Fix JS error when editing a merged PR's title (#30990)

---
 web_src/js/features/repo-issue.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'web_src/js')

diff --git a/web_src/js/features/repo-issue.js b/web_src/js/features/repo-issue.js
index 8ee681aedc..519db34934 100644
--- a/web_src/js/features/repo-issue.js
+++ b/web_src/js/features/repo-issue.js
@@ -626,9 +626,12 @@ export function initRepoIssueTitleEdit() {
     showElem(issueTitleDisplay);
     showElem('#pull-desc-display');
   });
+
+  const pullDescEditor = document.querySelector('#pull-desc-editor'); // it may not exist for a merged PR
+  const prTargetUpdateUrl = pullDescEditor?.getAttribute('data-target-update-url');
+
   const editSaveButton = issueTitleEditor.querySelector('.ui.primary.button');
   editSaveButton.addEventListener('click', async () => {
-    const prTargetUpdateUrl = editSaveButton.getAttribute('data-target-update-url');
     const newTitle = issueTitleInput.value.trim();
     try {
       if (newTitle && newTitle !== oldTitle) {
-- 
cgit v1.2.3