barkey/packages/frontend/src/utility/extract-preview-urls.ts
2025-05-21 08:31:14 -04:00

37 lines
1.2 KiB
TypeScript

/*
* SPDX-FileCopyrightText: hazelnoot and other Sharkey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as config from '@@/js/config.js';
import type * as Misskey from 'misskey-js';
import type * as mfm from '@transfem-org/sfm-js';
import { extractUrlFromMfm } from '@/utility/extract-url-from-mfm.js';
/**
* Extracts all previewable URLs from a note.
*/
export function extractPreviewUrls(note: Misskey.entities.Note, contents: mfm.MfmNode[]): string[] {
const links = extractUrlFromMfm(contents);
return links.filter(url =>
// Remote note
url !== note.url &&
url !== note.uri &&
// Local note
url !== `${config.url}/notes/${note.id}` &&
// Remote reply
url !== note.reply?.url &&
url !== note.reply?.uri &&
// Local reply
url !== `${config.url}/notes/${note.reply?.id}` &&
// Remote renote or quote
url !== note.renote?.url &&
url !== note.renote?.uri &&
// Local renote or quote
url !== `${config.url}/notes/${note.renote?.id}` &&
// Remote renote *of* a quote
url !== note.renote?.renote?.url &&
url !== note.renote?.renote?.uri &&
// Local renote *of* a quote
url !== `${config.url}/notes/${note.renote?.renote?.id}`);
}