(wip) ssr using pug

gulpfile.js

@@ -36,7 +36,11 @@ gulp.task('copy:frontend:locales', cb => {
 });
 
 gulp.task('build:backend:script', () => {
-	return gulp.src(['./packages/backend/src/server/web/boot.js', './packages/backend/src/server/web/bios.js', './packages/backend/src/server/web/cli.js'])
+	return gulp.src([
+		'./packages/backend/src/server/web/boot.js',
+		'./packages/backend/src/server/web/bios.js',
+		'./packages/backend/src/server/web/cli.js',
+	])
 		.pipe(replace('LANGS', JSON.stringify(Object.keys(locales))))
 		.pipe(terser({
 			toplevel: true
@@ -45,7 +49,12 @@ gulp.task('build:backend:script', () => {
 });
 
 gulp.task('build:backend:style', () => {
-	return gulp.src(['./packages/backend/src/server/web/style.css', './packages/backend/src/server/web/bios.css', './packages/backend/src/server/web/cli.css'])
+	return gulp.src([
+		'./packages/backend/src/server/web/style.css',
+		'./packages/backend/src/server/web/bios.css',
+		'./packages/backend/src/server/web/cli.css',
+		'./packages/backend/src/server/web/embed.css'
+	])
 		.pipe(cssnano({
 			zindex: false
 		}))

package.json

@@ -4,13 +4,14 @@
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
-		"url": "https://github.com/misskey-dev/misskey.git"
+		"url": "https://github.com/kakkokari-gtyih/misskey.git"
 	},
 	"packageManager": "pnpm@8.1.1",
 	"workspaces": [
 		"packages/frontend",
 		"packages/backend",
-		"packages/sw"
+		"packages/sw",
+		"packages/misskey-js"
 	],
 	"private": true,
 	"scripts": {
@@ -66,4 +67,4 @@
 	"optionalDependencies": {
 		"@tensorflow/tfjs-core": "4.2.0"
 	}
-}
+}

packages/backend/src/config.ts

@@ -103,6 +103,7 @@ export type Mixin = {
 	driveUrl: string;
 	userAgent: string;
 	clientEntry: string;
+	clientEmbedEntry: string;
 	clientManifestExists: boolean;
 	mediaProxy: string;
 	externalMediaProxyEnabled: boolean;
@@ -133,7 +134,10 @@ export function loadConfig() {
 	const clientManifestExists = fs.existsSync(_dirname + '/../../../built/_vite_/manifest.json');
 	const clientManifest = clientManifestExists ?
 		JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_vite_/manifest.json`, 'utf-8'))
-		: { 'src/init.ts': { file: 'src/init.ts' } };
+		: {
+			'src/init.ts': { file: 'src/init.ts' },
+			'src/embed/init.ts': { file: 'src/embed/init.ts' },
+		};
 	const config = yaml.load(fs.readFileSync(path, 'utf-8')) as Source;
 
 	const mixin = {} as Mixin;
@@ -155,6 +159,7 @@ export function loadConfig() {
 	mixin.driveUrl = `${mixin.scheme}://${mixin.host}/files`;
 	mixin.userAgent = `Misskey/${meta.version} (${config.url})`;
 	mixin.clientEntry = clientManifest['src/init.ts'];
+	mixin.clientEmbedEntry = clientManifest['src/embed/init.ts'];
 	mixin.clientManifestExists = clientManifestExists;
 
 	const externalMediaProxy = config.mediaProxy ?

packages/backend/src/server/web/ClientServerService.ts

@@ -344,6 +344,17 @@ export class ClientServerService {
 			});
 		};
 
+		const renderEmbed404 = async (reply: FastifyReply) => {
+			reply.status(404);
+			const meta = await this.metaService.fetch();
+			
+			return await reply.view('embed/404', {
+				instanceName: meta.name ?? 'Misskey',
+				icon: meta.iconUrl,
+				url: this.config.url,
+			});
+		};
+
 		// URL preview endpoint
 		fastify.get<{ Querystring: { url: string; lang: string; } }>('/url', (request, reply) => this.urlPreviewService.handle(request, reply));
 
@@ -469,13 +480,42 @@ export class ClientServerService {
 					summary: getNoteSummary(_note),
 					instanceName: meta.name ?? 'Misskey',
 					icon: meta.iconUrl,
-					themeColor: meta.themeColor,
+					themeColor: meta.themeColor
 				});
 			} else {
 				return await renderBase(reply);
 			}
 		});
 
+		// Note Embed
+		fastify.get<{ Params: { note: string; } }>('/notes/:note/embed', async (request, reply) => {
+			vary(reply.raw, 'Accept');
+
+			const note = await this.notesRepository.findOneBy({
+				id: request.params.note,
+				visibility: In(['public', 'home']),
+			});
+
+			if (note) {
+				const _note = await this.noteEntityService.pack(note);
+				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: note.userId });
+				const meta = await this.metaService.fetch();
+				reply.header('Cache-Control', 'public, max-age=15');
+				return await reply.view('embed/note', {
+					note: _note,
+					profile,
+					avatarUrl: _note.user.avatarUrl,
+					// TODO: Let locale changeable by instance setting
+					summary: getNoteSummary(_note),
+					instanceName: meta.name ?? 'Misskey',
+					icon: meta.iconUrl,
+					themeColor: meta.themeColor,
+				});
+			} else {
+				return await renderEmbed404(reply);
+			}
+		});
+
 		// Page
 		fastify.get<{ Params: { user: string; page: string; } }>('/@:user/pages/:page', async (request, reply) => {
 			const { username, host } = Acct.parse(request.params.user);

packages/backend/src/server/web/embed.css

@@ -0,0 +1,21 @@
+html,body {
+    max-width: 650px;
+}
+
+#splash {
+    max-width: 650px;
+    width: 100%;
+    height: 100%;
+}
+
+.sr-only {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    margin: -1px;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    white-space: nowrap;
+    border-width: 0;
+}

packages/backend/src/server/web/views/embed/404.pug

@@ -0,0 +1,16 @@
+extends ./base
+
+block style 
+	style.
+		
+block content
+	div#error
+		div
+			div#instance-info
+				a.click-anime(href=url target='_blank')
+					img(src= icon || '/static-assets/splash.png')
+					span.sr-only(data-mi-i18n='aboutX' data-mi-i18n-ctx=`{"x": "${instanceName}"}`)
+
+			img.main(src='https://xn--931a.moe/assets/not-found.jpg')
+			h2(data-mi-i18n='notFound')
+			p(data-mi-i18n='notFoundDescription')

packages/backend/src/server/web/views/embed/base.pug

@@ -0,0 +1,98 @@
+block vars
+
+block loadClientEntry
+	- const clientEntry = config.clientEmbedEntry;
+
+doctype html
+
+//
+	-
+	  _____ _         _           
+	 |     |_|___ ___| |_ ___ _ _ 
+	 | | | | |_ -|_ -| '_| -_| | |
+	 |_|_|_|_|___|___|_,_|___|_  |
+	                         |___|
+	 Thank you for using Misskey!
+	 If you are reading this message... how about joining the development?
+	 https://github.com/misskey-dev/misskey
+	 
+
+html
+
+	head
+		meta(charset='utf-8')
+		meta(name='application-name' content='Misskey')
+		meta(name='referrer' content='origin')
+		meta(name='theme-color' content= themeColor || '#86b300')
+		meta(name='theme-color-orig' content= themeColor || '#86b300')
+		meta(property='twitter:card' content='summary')
+		meta(property='og:site_name' content= instanceName || 'Misskey')
+		meta(name='viewport' content='width=device-width, initial-scale=1')
+		link(rel='icon' href= icon || '/favicon.ico')
+		link(rel='apple-touch-icon' href= icon || '/apple-touch-icon.png')
+		link(rel='manifest' href='/manifest.json')
+		link(rel='search' type='application/opensearchdescription+xml' title=(title || "Misskey") href=`${url}/opensearch.xml`)
+		link(rel='prefetch' href='https://xn--931a.moe/assets/info.jpg')
+		link(rel='prefetch' href='https://xn--931a.moe/assets/not-found.jpg')
+		link(rel='prefetch' href='https://xn--931a.moe/assets/error.jpg')
+		//- https://github.com/misskey-dev/misskey/issues/9842
+		link(rel='stylesheet' href='/assets/tabler-icons/tabler-icons.min.css?v2.12.0')
+		link(rel='modulepreload' href=`/vite/${clientEntry.file}`)
+
+		if !config.clientManifestExists
+				script(type="module" src="/vite/@vite/client")
+
+		if Array.isArray(clientEntry.css)
+			each href in clientEntry.css
+				link(rel='stylesheet' href=`/vite/${href}`)
+
+		title
+			block title
+				= title || 'Misskey'
+
+		block desc
+			meta(name='description' content= desc || '✨🌎✨ A interplanetary communication platform ✨🚀✨')
+
+		block meta
+
+		block og
+			meta(property='og:title'       content= title || 'Misskey') 
+			meta(property='og:description' content= desc || '✨🌎✨ A interplanetary communication platform ✨🚀✨') 
+			meta(property='og:image'       content= img)
+
+		style
+			include ../../style.css
+			include ../../embed.css
+		
+		block style
+
+		script.
+			var VERSION = "#{version}";
+			var CLIENT_ENTRY = "#{clientEntry.file}";
+			var EMBED = true;
+
+		script
+			include ../../boot.js
+
+	body
+		noscript: p
+			| JavaScriptを有効にしてください
+			br
+			| Please turn on your JavaScript
+		
+		div#splash
+			img#splashIcon(src= icon || '/static-assets/splash.png')
+			div#splashSpinner
+				<svg class="spinner bg" viewBox="0 0 152 152" xmlns="http://www.w3.org/2000/svg">
+					<g transform="matrix(1,0,0,1,12,12)">
+						<circle cx="64" cy="64" r="64" style="fill:none;stroke:currentColor;stroke-width:24px;"/>
+					</g>
+				</svg>
+				<svg class="spinner fg" viewBox="0 0 152 152" xmlns="http://www.w3.org/2000/svg">
+					<g transform="matrix(1,0,0,1,12,12)">
+						<path d="M128,64C128,28.654 99.346,0 64,0C99.346,0 128,28.654 128,64Z" style="fill:none;stroke:currentColor;stroke-width:24px;"/>
+					</g>
+				</svg>
+		
+		div#container 
+			block content

packages/backend/src/server/web/views/embed/note.pug

@@ -0,0 +1,53 @@
+extends ./base
+
+block vars
+	- const user = note.user;
+	- const title = user.name ? `${user.name} (@${user.username})` : `@${user.username}`;
+	- const url = `${config.url}/notes/${note.id}`;
+	- const isRenote = note.renote && note.text == null && note.fileIds.length == 0 && note.poll == null;
+	- const displayUser = isRenote ? note.renote.user: note.user;
+
+block meta
+	if !user.host
+		link(rel='alternate' href=url type='application/activity+json')
+	if note.uri
+		link(rel='alternate' href=note.uri type='application/activity+json')
+
+	script(type='application/json') !{JSON.stringify(note)}
+
+block content 
+	div#note
+
+		header
+			div.wrapper
+				if isRenote 
+					div#renote
+						a.avatar(href=`${config.url}/@${note.user.username}` target="_blank" rel="noopener noreferrer")
+							img(src=note.user.avatarUrl)
+
+						i.ti.ti-repeat
+						
+						span(data-mi-i18n='renotedBy' data-mi-i18n-ctx=`{"user": "${note.user.name || note.user.username}"}`)
+							a(href=`${config.url}/@${note.user.username}` target="_blank" rel="noopener noreferrer")
+								b(data-mi-i18n-target='user')
+
+				div.author
+					a.avatar(href=`${config.url}/@${displayUser.username}` target="_blank" rel="noopener noreferrer")
+						img(src=displayUser.avatarUrl)
+
+					div.user-info
+						a.user-name(href=`${config.url}/@${displayUser.username}` target="_blank" rel="noopener noreferrer") #{displayUser.name || displayUser.username}
+						div.user-id @#{displayUser.username}
+			
+			div#instance-info
+				a.click-anime(href=config.url target='_blank')
+					img(src= icon || '/static-assets/splash.png')
+					span.sr-only(data-mi-i18n='aboutX' data-mi-i18n-ctx=`{"x": "${instanceName}"}`)
+
+		main
+			div.mfm !{isRenote ? note.renote.text : note.text}
+			if (!isRenote && note.renote)
+				div#quote.mfm !{note.renote.text}
+	
+	hr
+	pre(style='white-space: pre-wrap;') !{JSON.stringify(note, null, 2)}

packages/frontend/package.json

@@ -39,6 +39,7 @@
 		"eventemitter3": "5.0.0",
 		"gsap": "3.11.5",
 		"idb-keyval": "6.2.0",
+		"iframe-resizer": "^4.3.6",
 		"insert-text-at-cursor": "0.3.0",
 		"is-file-animated": "1.0.2",
 		"json5": "2.2.3",
@@ -97,6 +98,7 @@
 		"@types/estree": "1.0.0",
 		"@types/gulp": "4.0.10",
 		"@types/gulp-rename": "2.0.1",
+		"@types/iframe-resizer": "^3.5.9",
 		"@types/matter-js": "0.18.2",
 		"@types/micromatch": "3.1.1",
 		"@types/node": "18.15.11",

packages/frontend/src/embed/embed.scss

@@ -0,0 +1,125 @@
+*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}:where([hidden]:not([hidden='until-found'])){display:none!important}
+
+html,body {
+    background-color: transparent;
+}
+
+#container {
+    padding: 1.5rem 2rem;
+    border-radius: var(--radius);
+    border: 1px solid var(--divider);
+    background: var(--bg);
+}
+
+#instance-info img {
+    height: 2.5rem;
+    width: auto;
+}
+
+.custom-emoji {
+    height: 2em;
+    width: auto;
+    display: inline-block;
+    vertical-align: center;
+    transition: transform .2s ease;
+
+    &:hover {
+        transform: scale(1.2);
+    }
+}
+
+#error {
+    padding: 0 0 3.5rem;
+    text-align: center;
+
+    #instance-info {
+        text-align: end;
+    }
+
+    img.main {
+        max-width: 128px;
+        width: 100%;
+        height: auto;
+        border-radius: 16px;
+        margin-bottom: .5rem;
+    }
+    
+    h2 {
+        font-size: 1.25rem;
+        margin-bottom: .5rem;
+    }
+
+    p {
+        
+    }
+}
+
+#note {
+    display: block;
+    position: relative;
+    
+    header {
+        display: flex;
+        margin-bottom: 1rem;
+        
+        .wrapper {
+            #renote {
+                display: flex;
+                align-items: center;
+                margin-bottom: .5rem;
+                color: var(--renote);
+        
+                >.avatar {
+                    display: block;
+                    margin-right: 1rem;
+        
+                    >img {
+                        width: 28px;
+                        height: 28px;
+                        border-radius: 50%;
+                    }
+                }
+            }        
+
+            .author {
+                display: flex;
+                align-items: center;
+        
+                >.avatar {
+                    display: block;
+                    margin-right: 1rem;
+        
+                    >img {
+                        width: 54px;
+                        height: 54px;
+                        border-radius: 50%;
+                    }
+                }
+        
+                >.user-info {
+                    >.user-name {
+                        font-weight: 700;
+                        font-size: 1.1rem;
+                    }
+                }    
+            }
+        }
+
+        #instance-info {
+            flex-shrink: 0;
+            margin-left: auto;
+        }
+    }
+
+    main {
+        font-size: 1.05rem;
+
+        #quote {
+            font-size: .95rem;
+            padding: .75rem;
+            margin: 1rem 0;
+            border-radius: var(--radius);
+            border: dashed 1px var(--renote);
+        }
+    }
+}

packages/frontend/src/embed/init.ts

@@ -0,0 +1,82 @@
+import { miLocalStorage } from '@/local-storage';
+import { version, lang, updateLocale } from '@/config';
+import { updateI18n } from '@/i18n';
+import { embedInitI18n } from './scripts/embed-i18n';
+import '@/style.scss';
+import './embed.scss';
+import 'iframe-resizer/js/iframeResizer.contentWindow';
+import { embedInitLinkAnime } from './scripts/link-anime';
+import { parseMfm } from './scripts/parse-mfm';
+
+console.info(`Misskey (Embed Sandbox) v${version}`);
+
+if (_DEV_) {
+	console.warn('Development mode!!!');
+
+	window.addEventListener('error', event => {
+		console.error(event);
+		/*
+		alert({
+			type: 'error',
+			title: 'DEV: Unhandled error',
+			text: event.message
+		});
+		*/
+	});
+
+	window.addEventListener('unhandledrejection', event => {
+		console.error(event);
+		/*
+		alert({
+			type: 'error',
+			title: 'DEV: Unhandled promise rejection',
+			text: event.reason
+		});
+		*/
+	});
+}
+
+//#region Detect language & fetch translations
+const localeVersion = miLocalStorage.getItem('localeVersion');
+const localeOutdated = (localeVersion == null || localeVersion !== version);
+if (localeOutdated) {
+	const res = await window.fetch(`/assets/locales/${lang}.${version}.json`);
+	if (res.status === 200) {
+		const newLocale = await res.text();
+		const parsedNewLocale = JSON.parse(newLocale);
+		miLocalStorage.setItem('locale', newLocale);
+		miLocalStorage.setItem('localeVersion', version);
+		updateLocale(parsedNewLocale);
+		updateI18n(parsedNewLocale);
+	}
+}
+//#endregion
+
+// タッチデバイスでCSSの:hoverを機能させる
+document.addEventListener('touchend', () => {}, { passive: true });
+
+//#region Set lang attr
+const html = document.documentElement;
+html.setAttribute('lang', lang);
+//#endregion
+
+embedInitI18n();
+
+document.querySelectorAll(".mfm").forEach((e) => {
+	e.innerHTML = parseMfm(e.innerHTML).outerHTML;
+});
+
+//#region ロード画面解除
+const splash = document.getElementById('splash');
+// 念のためnullチェック(HTMLが古い場合があるため(そのうち消す))
+if (splash) splash.addEventListener('transitionend', () => {
+	splash.remove();
+});
+
+if (splash) {
+	splash.style.opacity = '0';
+	splash.style.pointerEvents = 'none';
+}
+//#endregion
+
+embedInitLinkAnime();

packages/frontend/src/embed/scripts/embed-i18n.ts

@@ -0,0 +1,46 @@
+import { i18n } from "@/i18n";
+
+/**
+ * 非vueページ向け翻訳適用関数
+ * 
+ * キー指定例:
+ * ```html
+ * <span data-mi-i18n="翻訳key（必須）" data-mi-i18n-ctx=" *JSON Objectで動的な値を指定（任意）* "></span>
+ * ```
+ */
+export function embedInitI18n() {
+	const els: NodeListOf<HTMLElement> = document.querySelectorAll("[data-mi-i18n]");
+	els.forEach((tag: HTMLElement) => {
+		const key: string[] | null = tag.dataset.miI18n?.split('.') || null;
+		const translationContext: Record<string, string | number> | null = JSON.parse(tag.dataset.miI18nCtx ?? 'null');
+		if (!key) {
+			console.warn("[i18n] Key doesn't exist!", tag);
+		} else if (translationContext) {
+			let hasTranslationTarget: boolean = false;
+			let output: string = key.reduce((o, i) => o[i], i18n.ts);
+			Object.keys(translationContext).forEach((item) => {
+				const templateTag: NodeListOf<HTMLElement> = tag.querySelectorAll(`[data-mi-i18n-target="${item}"]`);
+				if (templateTag.length > 0) {
+					hasTranslationTarget = true;
+					templateTag.forEach((target: HTMLElement) => {
+						target.innerText = translationContext[item].toString();
+						let parent: HTMLElement = target;
+						while (parent.parentElement != null && parent.parentElement !== tag) {
+							if (parent.parentElement != null) {
+								parent = parent.parentElement;
+							}
+						}
+						output = output.replace(new RegExp(`{\s*${item}\s*}`), parent.outerHTML);
+					});
+				}
+			});
+			if (!hasTranslationTarget) {
+				tag.innerText = i18n.t(key.join('.'), translationContext);
+			} else {
+				tag.innerHTML = output;
+			}
+		} else {
+			tag.innerText = key.reduce((o, i) => o[i], i18n.ts);
+		}
+	});
+}

packages/frontend/src/embed/scripts/link-anime.ts

@@ -0,0 +1,33 @@
+export function embedInitLinkAnime() {
+    const animeEl: NodeListOf<HTMLElement> = document.querySelectorAll("a.click-anime,button.click-anime");
+    if (animeEl.length > 0) {
+        animeEl.forEach((el: HTMLElement) => {
+            const target = el.children[0];
+
+            if (target == null) return;
+
+            target.classList.add('_anime_bounce_standBy');
+
+            el.addEventListener('mousedown', () => {
+                target.classList.remove('_anime_bounce');
+
+                target.classList.add('_anime_bounce_standBy');
+                target.classList.add('_anime_bounce_ready');
+
+                target.addEventListener('mouseleave', () => {
+                    target.classList.remove('_anime_bounce_ready');
+                });
+            });
+
+            el.addEventListener('click', () => {
+                target.classList.add('_anime_bounce');
+                target.classList.remove('_anime_bounce_ready');
+            });
+
+            el.addEventListener('animationend', () => {
+                target.classList.remove('_anime_bounce');
+                target.classList.add('_anime_bounce_standBy');
+            });
+        });
+    }
+}

packages/frontend/src/embed/scripts/parse-mfm.ts

@@ -0,0 +1,329 @@
+import * as mfm from 'mfm-js';
+import { toUnicode } from 'punycode';
+import { host as localHost } from '@/config';
+
+const QUOTE_STYLE = `
+display: block;
+margin: 8px;
+padding: 6px 0 6px 12px;
+color: var(--fg);
+border-left: solid 3px var(--fg);
+opacity: 0.7;
+`.split('\n').join(' ');
+
+interface MfmFn extends mfm.MfmFn {
+    props: {
+        name: string;
+        args: Record<string, any>;
+    }
+};
+
+export function parseMfm(text: string): HTMLDivElement {
+    const ast = mfm.parse(text);
+
+    const el = document.createElement("div");
+
+    function genEl(ast: (MfmFn | mfm.MfmNode)[]) {
+        return ast.map((token: (MfmFn | mfm.MfmNode)) => {
+            switch (token.type) {
+                case 'text': {
+                    const text = token.props.text.replace(/(\r\n|\n|\r)/g, '\n');
+
+                    const res: HTMLElement[] = [];
+                    for (const t of text.split('\n')) {
+                        res.push(document.createElement('br'));
+                        const el = document.createElement('span');
+                        el.innerText = t;
+                        res.push(el);
+                    }
+                    res.shift();
+                    return res;
+                }
+
+                case 'bold': {
+                    const el = document.createElement("b");
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'strike': {
+                    const el = document.createElement("del");
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'italic': {
+                    const el = document.createElement("i");
+                    el.style.fontStyle = 'oblique';
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'fn': {
+                    // TODO: CSSを文字列で組み立てていくと token.props.args.~~~ 経由でCSSインジェクションできるのでよしなにやる
+                    let style;
+                    switch (token.props.name) {
+                        case 'flip': {
+                            const transform =
+                                (token.props.args.h && token.props.args.v) ? 'scale(-1, -1)' :
+                                    token.props.args.v ? 'scaleY(-1)' :
+                                        'scaleX(-1)';
+                            style = `transform: ${transform};`;
+                            break;
+                        }
+                        case 'x2': {
+                            const el = document.createElement("span");
+                            el.classList.add('mfm-x2');
+                            genEl(token.children).forEach((e) => {
+                                el.appendChild(e as HTMLElement);
+                            })
+                            return [el];
+                        }
+                        case 'x3': {
+                            const el = document.createElement("span");
+                            el.classList.add('mfm-x3');
+                            genEl(token.children).forEach((e) => {
+                                el.appendChild(e as HTMLElement);
+                            })
+                            return [el];
+                        }
+                        case 'x4': {
+                            const el = document.createElement("span");
+                            el.classList.add('mfm-x4');
+                            genEl(token.children).forEach((e) => {
+                                el.appendChild(e as HTMLElement);
+                            })
+                            return [el];
+                        }
+                        case 'font': {
+                            const family =
+                                token.props.args.serif ? 'serif' :
+                                token.props.args.monospace ? 'monospace' :
+                                token.props.args.cursive ? 'cursive' :
+                                token.props.args.fantasy ? 'fantasy' :
+                                token.props.args.emoji ? 'emoji' :
+                                token.props.args.math ? 'math' :
+                                                        null;
+                            
+                            if (family) style = `font-family: ${family};`;
+                            break;
+                        }
+                        case 'blur': {
+                            const el = document.createElement("span");
+                            el.classList.add('_mfm_blur_');
+                            genEl(token.children).forEach((e) => {
+                                el.appendChild(e as HTMLElement);
+                            })
+                            return [el];
+                        }
+                        case 'rotate': {
+                            const degrees = parseFloat(token.props.args.deg ?? '90');
+                            style = `transform: rotate(${degrees}deg); transform-origin: center center;`;
+                            break;
+                        }
+                        case 'position': {
+                            const x = parseFloat(token.props.args.x ?? '0');
+                            const y = parseFloat(token.props.args.y ?? '0');
+                            style = `transform: translateX(${x}em) translateY(${y}em);`;
+                            break;
+                        }
+                        case 'scale': {
+                            const x = Math.min(parseFloat(token.props.args.x ?? '1'), 5);
+                            const y = Math.min(parseFloat(token.props.args.y ?? '1'), 5);
+                            style = `transform: scale(${x}, ${y});`;
+                            break;
+                        }
+                        case 'fg': {
+                            let color = token.props.args.color;
+                            if (!/^[0-9a-f]{3,6}$/i.test(color)) color = 'f00';
+                            style = `color: #${color};`;
+                            break;
+                        }
+                        case 'bg': {
+                            let color = token.props.args.color;
+                            if (!/^[0-9a-f]{3,6}$/i.test(color)) color = 'f00';
+                            style = `background-color: #${color};`;
+                            break;
+                        }
+                    }
+                    if (style == null) {
+                        const el = document.createElement("span");
+                        genEl(token.children).forEach((e) => {
+                            el.appendChild(e as HTMLElement);
+                        });
+                        el.innerHTML = `$[${token.props.name} ${el.innerHTML}]`;
+                        return [el];
+                    } else {
+                        const el = document.createElement("span");
+                        genEl(token.children).forEach((e) => {
+                            el.appendChild(e as HTMLElement);
+                        });
+                        el.setAttribute('style', `display: inline-block; ${style}`);
+                        return [el];
+                    }
+                }
+
+                case 'small': {
+                    const el = document.createElement("small");
+                    el.style.opacity = '.7';
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'center': {
+                    const el = document.createElement("div");
+                    el.style.textAlign = "center";
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'url': {
+                    const el = document.createElement("a");
+                    el.href = token.props.url;
+                    el.target = '_blank';
+                    el.rel = 'nofollow noopener';
+
+                    el.innerText = token.props.url;
+                    return [el];
+                }
+
+                case 'link': {
+                    const el = document.createElement("a");
+                    el.href = token.props.url;
+                    el.target = '_blank';
+                    el.rel = 'nofollow noopener';
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'mention': {
+                    const el = document.createElement("a");
+                    const canonical = token.props.host === localHost ? `@${token.props.username}` : `@${token.props.username}@${toUnicode(token.props.host ?? '')}`;
+                    el.href = `/${canonical}`;
+                    el.target = '_blank';
+                    el.rel = 'nofollow noopener';
+                    el.style.display = 'inline-block';
+                    el.style.padding = '4px 8px 4px 4px';
+                    el.style.borderRadius = '999px';
+                    el.style.color = 'var(--mention)';
+                    el.style.fontWeight = '700';
+
+                    el.innerText = `@${canonical}`;
+                    return [el];
+                }
+
+                case 'hashtag': {
+                    const el = document.createElement("a");
+                    el.href = `/tags/${encodeURIComponent(token.props.hashtag)}`;
+                    el.target = '_blank';
+                    el.rel = 'nofollow noopener';
+                    el.style.color = 'var(--hashtag)';
+
+                    el.innerText = `#${token.props.hashtag}`;
+                    return [el];
+                }
+
+                case 'blockCode': {
+                    const el = document.createElement('pre');
+                    el.style.overflowX = 'scroll';
+                    el.style.width = '100%';
+                    const elc = document.createElement('code');
+                    elc.innerText = token.props.code;
+                    el.appendChild(elc);
+                    return [el];
+                }
+
+                case 'inlineCode': {
+                    const el = document.createElement('code');
+                    el.innerText = token.props.code;
+                    return [el];
+                }
+
+                case 'quote': {
+                    const el = document.createElement('div');
+                    el.setAttribute('style', QUOTE_STYLE);
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                case 'emojiCode': {
+                    const el = document.createElement('span');
+                    el.classList.add('custom-emoji', 'needs-replacing');
+                    el.innerText = `:${token.props.name}:`;
+                    return [el];
+                }
+
+                case 'unicodeEmoji': {
+                    const el = document.createElement('span');
+                    el.classList.add('emoji');
+                    el.innerText = token.props.emoji;
+                    return [el];
+                }
+
+                case 'mathInline': {
+                    const el = document.createElement('code');
+                    el.innerText = token.props.formula;
+                    return [el];
+                }
+
+                case 'mathBlock': {
+                    const el = document.createElement('code');
+                    el.innerText = token.props.formula;
+                    return [el];
+                }
+                case 'search': {
+                    const el = document.createElement('form');
+                    el.action = 'https://www.google.com/search';
+                    el.method = 'GET';
+
+                    const text = document.createElement('input');
+                    text.type = 'search';
+                    text.value = token.props.query;
+                    el.appendChild(text);
+
+                    const submit = document.createElement('button');
+                    submit.type = 'submit';
+                    submit.innerHTML = '<i class="ti ti-search"></i><span data-mi-i18n-';
+                    el.appendChild(submit);
+
+                    return [el];
+                }
+
+                case 'plain': {
+                    const el = document.createElement('span');
+                    genEl(token.children).forEach((e) => {
+                        el.appendChild(e as HTMLElement);
+                    });
+                    return [el];
+                }
+
+                default: {
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                    console.error('unrecognized ast type:', (token as any).type);
+
+                    return [];
+                }
+            }
+        }).flat(Infinity);
+    }
+
+    genEl(ast).forEach((element) => {
+        el.appendChild(element as HTMLElement);
+    });
+
+    return el;
+}

packages/frontend/tsconfig.json

@@ -43,7 +43,7 @@
 		".eslintrc.js",
 		"./**/*.ts",
 		"./**/*.vue"
-	],
+, "src/embed/scripts/parse-mfm.ts"	],
 	"exclude": [
 		".storybook/**/*",
 	]

packages/frontend/vite.config.ts

@@ -100,6 +100,7 @@ export function getConfig(): UserConfig {
 			rollupOptions: {
 				input: {
 					app: './src/init.ts',
+					embed: './src/embed/init.ts'
 				},
 				output: {
 					manualChunks: {

pnpm-lock.yaml

@@ -663,6 +663,9 @@ importers:
       idb-keyval:
         specifier: 6.2.0
         version: 6.2.0
+      iframe-resizer:
+        specifier: ^4.3.6
+        version: 4.3.6
       insert-text-at-cursor:
         specifier: 0.3.0
         version: 0.3.0
@@ -832,6 +835,9 @@ importers:
       '@types/gulp-rename':
         specifier: 2.0.1
         version: 2.0.1
+      '@types/iframe-resizer':
+        specifier: ^3.5.9
+        version: 3.5.9
       '@types/matter-js':
         specifier: 0.18.2
         version: 0.18.2
@@ -6593,6 +6599,10 @@ packages:
   /@types/http-cache-semantics@4.0.1:
     resolution: {integrity: sha512-SZs7ekbP8CN0txVG2xVRH6EgKmEm31BOxA07vkFaETzZz1xh+cbt8BcI0slpymvwhx5dlFnQG2rTlPVQn+iRPQ==}
 
+  /@types/iframe-resizer@3.5.9:
+    resolution: {integrity: sha512-RQUBI75F+uXruB95BFpC/8V8lPgJg4MQ6HxOCtAZYBB/h0FNCfrFfb4I+u2pZJIV7sKeszZbFqy1UnGeBMrvsA==}
+    dev: true
+
   /@types/ioredis@4.28.10:
     resolution: {integrity: sha512-69LyhUgrXdgcNDv7ogs1qXZomnfOEnSmrmMFqKgt1XMJxmoOSG/u3wYy13yACIfKuMJ8IhKgHafDO3sx19zVQQ==}
     dependencies:
@@ -12526,6 +12536,11 @@ packages:
   /ieee754@1.2.1:
     resolution: {integrity: sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==}
 
+  /iframe-resizer@4.3.6:
+    resolution: {integrity: sha512-wz0WodRIF6eP0oGQa5NIP1yrITAZ59ZJvVaVJqJRjaeCtfm461vy2C3us6CKx0e7pooqpIGLpVMSTzrfAjX9Sg==}
+    engines: {node: '>=0.8.0'}
+    dev: false
+
   /ignore@5.2.4:
     resolution: {integrity: sha512-MAb38BcSbH0eHNBxn7ql2NH/kX33OkB3lZ1BNdh7ENeRChHTYsTvWrMubiIAMNS2llXEEgZ1MUOBtXChP3kaFQ==}
     engines: {node: '>= 4'}