fix: Mastodon API

packages/backend/src/core/MfmService.ts

@@ -388,4 +388,212 @@ export class MfmService {
 
 		return `<p>${doc.body.innerHTML}</p>`;
 	}
+
+	@bindThis
+	public async toMastoHtml(nodes: mfm.MfmNode[] | null, mentionedRemoteUsers: IMentionedRemoteUsers = [], inline = false, quoteUri: string | null = null) {
+		if (nodes == null) {
+			return null;
+		}
+
+		const { window } = new Window();
+
+		const doc = window.document;
+
+		async function appendChildren(children: mfm.MfmNode[], targetElement: any): Promise<void> {
+			if (children) {
+				for (const child of await Promise.all(children.map(async (x) => await (handlers as any)[x.type](x)))) targetElement.appendChild(child);
+			}
+		}
+
+		const handlers: {
+            [K in mfm.MfmNode['type']]: (node: mfm.NodeType<K>) => any;
+        } = {
+			async bold(node) {
+				const el = doc.createElement('span');
+				el.textContent = '**';
+				await appendChildren(node.children, el);
+				el.textContent += '**';
+				return el;
+			},
+
+			async small(node) {
+				const el = doc.createElement('small');
+				await appendChildren(node.children, el);
+				return el;
+			},
+
+			async strike(node) {
+				const el = doc.createElement('span');
+				el.textContent = '~~';
+				await appendChildren(node.children, el);
+				el.textContent += '~~';
+				return el;
+			},
+
+			async italic(node) {
+				const el = doc.createElement('span');
+				el.textContent = '*';
+				await appendChildren(node.children, el);
+				el.textContent += '*';
+				return el;
+			},
+
+			async fn(node) {
+				const el = doc.createElement('span');
+				el.textContent = '*';
+				await appendChildren(node.children, el);
+				el.textContent += '*';
+				return el;
+			},
+
+			blockCode(node) {
+				const pre = doc.createElement('pre');
+				const inner = doc.createElement('code');
+
+				const nodes = node.props.code
+					.split(/\r\n|\r|\n/)
+					.map((x) => doc.createTextNode(x));
+
+				for (const x of intersperse<FIXME | 'br'>('br', nodes)) {
+					inner.appendChild(x === 'br' ? doc.createElement('br') : x);
+				}
+
+				pre.appendChild(inner);
+				return pre;
+			},
+
+			async center(node) {
+				const el = doc.createElement('div');
+				await appendChildren(node.children, el);
+				return el;
+			},
+
+			emojiCode(node) {
+				return doc.createTextNode(`\u200B:${node.props.name}:\u200B`);
+			},
+
+			unicodeEmoji(node) {
+				return doc.createTextNode(node.props.emoji);
+			},
+
+			hashtag: (node) => {
+				const a = doc.createElement('a');
+				a.setAttribute('href', `${this.config.url}/tags/${node.props.hashtag}`);
+				a.textContent = `#${node.props.hashtag}`;
+				a.setAttribute('rel', 'tag');
+				a.setAttribute('class', 'hashtag');
+				return a;
+			},
+
+			inlineCode(node) {
+				const el = doc.createElement('code');
+				el.textContent = node.props.code;
+				return el;
+			},
+
+			mathInline(node) {
+				const el = doc.createElement('code');
+				el.textContent = node.props.formula;
+				return el;
+			},
+
+			mathBlock(node) {
+				const el = doc.createElement('code');
+				el.textContent = node.props.formula;
+				return el;
+			},
+
+			async link(node) {
+				const a = doc.createElement('a');
+				a.setAttribute('rel', 'nofollow noopener noreferrer');
+				a.setAttribute('target', '_blank');
+				a.setAttribute('href', node.props.url);
+				await appendChildren(node.children, a);
+				return a;
+			},
+
+			async mention(node) {
+				const { username, host, acct } = node.props;
+				const resolved = mentionedRemoteUsers.find(remoteUser => remoteUser.username === username && remoteUser.host === host);
+
+				const el = doc.createElement('span');
+				if (!resolved) {
+					el.textContent = acct;
+				} else {
+					el.setAttribute('class', 'h-card');
+					el.setAttribute('translate', 'no');
+					const a = doc.createElement('a');
+					a.setAttribute('href', resolved.url ? resolved.url : resolved.uri);
+					a.className = 'u-url mention';
+					const span = doc.createElement('span');
+					span.textContent = resolved.username || username;
+					a.textContent = '@';
+					a.appendChild(span);
+					el.appendChild(a);
+				}
+
+				return el;
+			},
+
+			async quote(node) {
+				const el = doc.createElement('blockquote');
+				await appendChildren(node.children, el);
+				return el;
+			},
+
+			text(node) {
+				const el = doc.createElement('span');
+				const nodes = node.props.text
+					.split(/\r\n|\r|\n/)
+					.map((x) => doc.createTextNode(x));
+
+				for (const x of intersperse<FIXME | 'br'>('br', nodes)) {
+					el.appendChild(x === 'br' ? doc.createElement('br') : x);
+				}
+
+				return el;
+			},
+
+			url(node) {
+				const a = doc.createElement('a');
+				a.setAttribute('rel', 'nofollow noopener noreferrer');
+				a.setAttribute('target', '_blank');
+				a.setAttribute('href', node.props.url);
+				a.textContent = node.props.url.replace(/^https?:\/\//, '');
+				return a;
+			},
+
+			search: (node) => {
+				const a = doc.createElement('a');
+				a.setAttribute('href', `https"google.com/${node.props.query}`);
+				a.textContent = node.props.content;
+				return a;
+			},
+
+			async plain(node) {
+				const el = doc.createElement('span');
+				await appendChildren(node.children, el);
+				return el;
+			},
+        };
+
+		await appendChildren(nodes, doc.body);
+
+		if (quoteUri !== null) {
+			const a = doc.createElement('a');
+			a.setAttribute('href', quoteUri);
+			a.textContent = quoteUri.replace(/^https?:\/\//, '');
+
+			const quote = doc.createElement('span');
+			quote.setAttribute('class', 'quote-inline');
+			quote.appendChild(doc.createElement('br'));
+			quote.appendChild(doc.createElement('br'));
+			quote.innerHTML += 'RE: ';
+			quote.appendChild(a);
+
+			doc.body.appendChild(quote);
+		}
+
+		return inline ? doc.body.innerHTML : `<p>${doc.body.innerHTML}</p>`;
+	}
 }

packages/backend/src/core/SearchService.ts

@@ -183,7 +183,7 @@ export class SearchService {
 				}
 			}
 			const res = await this.meilisearchNoteIndex!.search(q, {
-				sort: [`createdAt:${opts.order}`],
+				sort: [`createdAt:${opts.order ? opts.order : 'desc'}`],
 				matchingStrategy: 'all',
 				attributesToRetrieve: ['id', 'createdAt'],
 				filter: compileQuery(filter),

packages/backend/src/misc/prelude/array.ts

@@ -142,3 +142,7 @@ export function toArray<T>(x: T | T[] | undefined): T[] {
 export function toSingle<T>(x: T | T[] | undefined): T | undefined {
 	return Array.isArray(x) ? x[0] : x;
 }
+
+export function toSingleLast<T>(x: T | T[] | undefined): T | undefined {
+	return Array.isArray(x) ? x.at(-1) : x;
+}

packages/backend/src/server/ServerModule.ts

@@ -23,6 +23,7 @@ import { SigninService } from './api/SigninService.js';
 import { SignupApiService } from './api/SignupApiService.js';
 import { StreamingApiServerService } from './api/StreamingApiServerService.js';
 import { ClientServerService } from './web/ClientServerService.js';
+import { MastoConverters } from './api/mastodon/converters.js';
 import { FeedService } from './web/FeedService.js';
 import { UrlPreviewService } from './web/UrlPreviewService.js';
 import { MainChannelService } from './api/stream/channels/main.js';
@@ -87,6 +88,7 @@ import { OAuth2ProviderService } from './oauth/OAuth2ProviderService.js';
 		OpenApiServerService,
 		MastodonApiServerService,
 		OAuth2ProviderService,
+		MastoConverters,
 	],
 	exports: [
 		ServerService,