[v1.22 backport] Fix null errors on conversation holder (#32258) (#32266) (#32282)

Backport #32266

fix #32258

Errors in the issue was due to unhandled null check. so i fixed it.

### Detailed description for Issue & Fix
To reproduce that issue, the comment must be deleted on Conversation
tab.
#### Before Delete
<img width="1032" alt="image"

src="https://github.com/user-attachments/assets/72df61ba-7db6-44c9-bebc-ca1178dd27f1">

#### After Delete (AS-IS)
<img width="1010" alt="image"

src="https://github.com/user-attachments/assets/36fa537e-4f8e-4535-8d02-e538c50f0dd8">

gitea already have remove logic for `timeline-item-group`, but because
of null ref exception the later logic that removes `timeline-item-group`
could be not be called correctly.
This commit is contained in:
cloudchamb3r 2024-10-17 14:34:39 +09:00 committed by GitHub
parent 7e0fd4c208
commit c1023b97aa
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@ -188,14 +188,17 @@ export function initRepoIssueCommentDelete() {
const path = conversationHolder.getAttribute('data-path');
const side = conversationHolder.getAttribute('data-side');
const idx = conversationHolder.getAttribute('data-idx');
const lineType = conversationHolder.closest('tr').getAttribute('data-line-type');
const lineType = conversationHolder.closest('tr')?.getAttribute('data-line-type');
// the conversation holder could appear either on the "Conversation" page, or the "Files Changed" page
// on the Conversation page, there is no parent "tr", so no need to do anything for "add-code-comment"
if (lineType) {
if (lineType === 'same') {
document.querySelector(`[data-path="${path}"] .add-code-comment[data-idx="${idx}"]`).classList.remove('tw-invisible');
} else {
document.querySelector(`[data-path="${path}"] .add-code-comment[data-side="${side}"][data-idx="${idx}"]`).classList.remove('tw-invisible');
}
}
conversationHolder.remove();
}