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fix: correctly render empty note text (#8746) 

Ensure that the _misskey_content attribute will always exist. Because
the API endpoint does not require the existence of the `text` field,
that field may be `undefined`. By using `?? null` it can be ensured
that the value is at least `null`.

Furthermore, the rendered HTML of a note with empty text will also be
the empty string. From git blame it seems that this behaviour was added
because of a Mastodon bug that might have previously existed. Hoever,
this seems to be no longer the case as I can find mastodon posts that
have empty content.

The code could be made a bit more succinct by using the null coercion
operator.
This commit is contained in:
Johann150 2022-06-03 16:18:44 +02:00 committed by GitHub
parent 6061937996
commit 81109b14b5
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2 changed files with 5 additions and 7 deletions
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6
packages/backend/src/remote/activitypub/misc/get-note-html.ts
View File

@ -3,8 +3,6 @@ import { Note } from '@/models/entities/note.js';
import { toHtml } from '../../../mfm/to-html.js';
export default function(note: Note) {
let html = note.text ? toHtml(mfm.parse(note.text), JSON.parse(note.mentionedRemoteUsers)) : null;
if (html == null) html = '<p>.</p>';
return html;
if (!note.text) return '';
return toHtml(mfm.parse(note.text), JSON.parse(note.mentionedRemoteUsers));
}

6
packages/backend/src/remote/activitypub/renderer/note.ts
View File

@ -82,15 +82,15 @@ export default async function renderNote(note: Note, dive = true, isTalk = false
const files = await getPromisedFiles(note.fileIds);
const text = note.text;
// text should never be undefined
const text = note.text ?? null;
let poll: Poll | null = null;
if (note.hasPoll) {
poll = await Polls.findOneBy({ noteId: note.id });
}
let apText = text;
if (apText == null) apText = '';
let apText = text ?? '';
if (quote) {
apText += `\n\nRE: ${quote}`;