feat: bundled locale

packages/backend/package.json

@@ -235,6 +235,7 @@
 		"jest-mock": "29.7.0",
 		"nodemon": "3.1.9",
 		"pid-port": "1.0.2",
-		"simple-oauth2": "5.1.0"
+		"simple-oauth2": "5.1.0",
+		"vite": "6.2.1"
 	}
 }

packages/backend/src/config.ts

@@ -5,10 +5,13 @@
 
 import * as fs from 'node:fs';
 import { fileURLToPath } from 'node:url';
-import { dirname, resolve } from 'node:path';
+import { dirname, join, resolve } from 'node:path';
 import * as yaml from 'js-yaml';
 import * as Sentry from '@sentry/node';
+import locale from '../../../locales/index.js';
 import type { RedisOptions } from 'ioredis';
+import type { Manifest, ManifestChunk } from 'vite';
+import type { ILocale } from '../../../locales/index.js';
 
 type RedisOptionsSource = Partial<RedisOptions> & {
 	host: string;
@@ -185,9 +188,12 @@ export type Config = {
 	authUrl: string;
 	driveUrl: string;
 	userAgent: string;
-	frontendEntry: string;
+	localeEntries: Record<string, string>;
+	errorLocaleMessages: Record<string, ILocale>;
+	configEntry: ManifestChunk;
+	frontendEntry: ManifestChunk;
 	frontendManifestExists: boolean;
-	frontendEmbedEntry: string;
+	frontendEmbedEntry: ManifestChunk;
 	frontendEmbedManifestExists: boolean;
 	mediaProxy: string;
 	externalMediaProxyEnabled: boolean;
@@ -229,12 +235,23 @@ export function loadConfig(): Config {
 
 	const frontendManifestExists = fs.existsSync(_dirname + '/../../../built/_frontend_vite_/manifest.json');
 	const frontendEmbedManifestExists = fs.existsSync(_dirname + '/../../../built/_frontend_embed_vite_/manifest.json');
-	const frontendManifest = frontendManifestExists ?
-		JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_frontend_vite_/manifest.json`, 'utf-8'))
-		: { 'src/_boot_.ts': { file: 'src/_boot_.ts' } };
-	const frontendEmbedManifest = frontendEmbedManifestExists ?
-		JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_frontend_embed_vite_/manifest.json`, 'utf-8'))
-		: { 'src/boot.ts': { file: 'src/boot.ts' } };
+	const frontendManifest: Manifest = frontendManifestExists
+		? JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_frontend_vite_/manifest.json`, 'utf-8'))
+		: Object.entries(locale).reduce<Record<string, ManifestChunk>>((a, [k]) => {
+			a[`locale:${k}`] = { file: `locale:${k}` };
+			return a;
+		}, {
+			'src/_boot_.ts': { file: 'src/_boot_.ts' },
+			'../frontend-shared/js/config.ts': { file: join('@fs', _dirname.slice(1), '../../frontend-shared/js/config.ts') },
+		});
+	const frontendEmbedManifest: Manifest = frontendEmbedManifestExists
+		? JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_frontend_embed_vite_/manifest.json`, 'utf-8'))
+		: Object.entries(locale).reduce<Record<string, ManifestChunk>>((a, [k]) => {
+			a[`locale:${k}`] = { file: `locale:${k}` };
+			return a;
+		}, {
+			'src/boot.ts': { file: 'src/boot.ts' },
+		});
 
 	const config = yaml.load(fs.readFileSync(path, 'utf-8')) as Source;
 
@@ -310,6 +327,20 @@ export function loadConfig(): Config {
 			config.videoThumbnailGenerator.endsWith('/') ? config.videoThumbnailGenerator.substring(0, config.videoThumbnailGenerator.length - 1) : config.videoThumbnailGenerator
 			: null,
 		userAgent: `Misskey/${version} (${config.url})`,
+		localeEntries: Object.entries<ManifestChunk>(frontendManifest).reduce<Record<string, string>>((a, [k, v]) => {
+			if (k.startsWith('locale:')) {
+				a[k.slice('locale:'.length)] = v.file;
+			}
+			return a;
+		}, {}),
+		errorLocaleMessages: Object.entries(locale).reduce<Record<string, ILocale>>((a, [k, v]) => {
+			a[k] = {
+				_bootErrors: v._bootErrors,
+				reload: v.reload,
+			};
+			return a;
+		}, {}),
+		configEntry: frontendManifest['../frontend-shared/js/config.ts'],
 		frontendEntry: frontendManifest['src/_boot_.ts'],
 		frontendManifestExists: frontendManifestExists,
 		frontendEmbedEntry: frontendEmbedManifest['src/boot.ts'],

packages/backend/src/server/web/boot.embed.js

@@ -32,56 +32,24 @@
 	}
 
 	//#region Detect language & fetch translations
-	if (!localStorage.hasOwnProperty('locale')) {
-		const supportedLangs = LANGS;
-		let lang = localStorage.getItem('lang');
-		if (lang == null || !supportedLangs.includes(lang)) {
-			if (supportedLangs.includes(navigator.language)) {
-				lang = navigator.language;
-			} else {
-				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
-
-				// Fallback
-				if (lang == null) lang = 'en-US';
-			}
-		}
-
-		const metaRes = await window.fetch('/api/meta', {
-			method: 'POST',
-			body: JSON.stringify({}),
-			credentials: 'omit',
-			cache: 'no-cache',
-			headers: {
-				'Content-Type': 'application/json',
-			},
-		});
-		if (metaRes.status !== 200) {
-			renderError('META_FETCH');
-			return;
-		}
-		const meta = await metaRes.json();
-		const v = meta.version;
-		if (v == null) {
-			renderError('META_FETCH_V');
-			return;
-		}
-
-		// for https://github.com/misskey-dev/misskey/issues/10202
-		if (lang == null || lang.toString == null || lang.toString() === 'null') {
-			console.error('invalid lang value detected!!!', typeof lang, lang);
-			lang = 'en-US';
-		}
-
-		const localRes = await window.fetch(`/assets/locales/${lang}.${v}.json`);
-		if (localRes.status === 200) {
-			localStorage.setItem('lang', lang);
-			localStorage.setItem('locale', await localRes.text());
-			localStorage.setItem('localeVersion', v);
+	const supportedLangs = LANGS;
+	let lang = localStorage.getItem('lang');
+	if (!supportedLangs.includes(lang)) {
+		if (supportedLangs.includes(navigator.language)) {
+			lang = navigator.language;
 		} else {
-			renderError('LOCALE_FETCH');
-			return;
+			lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
+
+			// Fallback
+			if (lang == null) lang = 'en-US';
 		}
 	}
+
+	await import(`/vite/${LOCALES[lang]}`)
+		.catch(async e => {
+			console.error(e);
+			renderError('LOCALE_FETCH', e);
+		});
 	//#endregion
 
 	//#region Script
@@ -115,10 +83,21 @@
 			await new Promise(resolve => window.addEventListener('DOMContentLoaded', resolve));
 		}
 
-		const locale = JSON.parse(localStorage.getItem('locale') || '{}');
+		const supportedLangs = LANGS;
+		let lang = localStorage.getItem('lang');
+		if (!supportedLangs.includes(lang)) {
+			if (supportedLangs.includes(navigator.language)) {
+				lang = navigator.language;
+			} else {
+				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
 
-		const title = locale?._bootErrors?.title || 'Failed to initialize Misskey';
-		const reload = locale?.reload || 'Reload';
+				// Fallback
+				if (lang == null) lang = 'en-US';
+			}
+		}
+		const { locale } = await import(`/vite/${CONFIG_ENTRY}`).catch(() => ({ locale: {} }));
+		const title = locale._bootErrors.title;
+		const reload = locale.reload;
 
 		document.body.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="icon"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M12 12m-9 0a9 9 0 1 0 18 0a9 9 0 1 0 -18 0" /><path d="M12 9v4" /><path d="M12 16v.01" /></svg>
 		<div class="message">${title}</div>

packages/backend/src/server/web/boot.js

@@ -23,56 +23,24 @@
 	}
 
 	//#region Detect language & fetch translations
-	if (!localStorage.hasOwnProperty('locale')) {
-		const supportedLangs = LANGS;
-		let lang = localStorage.getItem('lang');
-		if (lang == null || !supportedLangs.includes(lang)) {
-			if (supportedLangs.includes(navigator.language)) {
-				lang = navigator.language;
-			} else {
-				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
-
-				// Fallback
-				if (lang == null) lang = 'en-US';
-			}
-		}
-
-		const metaRes = await window.fetch('/api/meta', {
-			method: 'POST',
-			body: JSON.stringify({}),
-			credentials: 'omit',
-			cache: 'no-cache',
-			headers: {
-				'Content-Type': 'application/json',
-			},
-		});
-		if (metaRes.status !== 200) {
-			renderError('META_FETCH');
-			return;
-		}
-		const meta = await metaRes.json();
-		const v = meta.version;
-		if (v == null) {
-			renderError('META_FETCH_V');
-			return;
-		}
-
-		// for https://github.com/misskey-dev/misskey/issues/10202
-		if (lang == null || lang.toString == null || lang.toString() === 'null') {
-			console.error('invalid lang value detected!!!', typeof lang, lang);
-			lang = 'en-US';
-		}
-
-		const localRes = await window.fetch(`/assets/locales/${lang}.${v}.json`);
-		if (localRes.status === 200) {
-			localStorage.setItem('lang', lang);
-			localStorage.setItem('locale', await localRes.text());
-			localStorage.setItem('localeVersion', v);
+	const supportedLangs = LANGS;
+	let lang = localStorage.getItem('lang');
+	if (!supportedLangs.includes(lang)) {
+		if (supportedLangs.includes(navigator.language)) {
+			lang = navigator.language;
 		} else {
-			renderError('LOCALE_FETCH');
-			return;
+			lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
+
+			// Fallback
+			if (lang == null) lang = 'en-US';
 		}
 	}
+
+	await import(`/vite/${LOCALES[lang]}`)
+		.catch(async e => {
+			console.error(e);
+			renderError('LOCALE_FETCH', e);
+		});
 	//#endregion
 
 	//#region Script
@@ -151,21 +119,25 @@
 			await new Promise(resolve => window.addEventListener('DOMContentLoaded', resolve));
 		}
 
-		const locale = JSON.parse(localStorage.getItem('locale') || '{}');
+		const supportedLangs = LANGS;
+		let lang = localStorage.getItem('lang');
+		if (!supportedLangs.includes(lang)) {
+			if (supportedLangs.includes(navigator.language)) {
+				lang = navigator.language;
+			} else {
+				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
 
-		const messages = Object.assign({
-			title: 'Failed to initialize Misskey',
-			solution: 'The following actions may solve the problem.',
-			solution1: 'Update your os and browser',
-			solution2: 'Disable an adblocker',
-			solution3: 'Clear the browser cache',
-			solution4: '(Tor Browser) Set dom.webaudio.enabled to true',
-			otherOption: 'Other options',
-			otherOption1: 'Clear preferences and cache',
-			otherOption2: 'Start the simple client',
-			otherOption3: 'Start the repair tool',
-		}, locale?._bootErrors || {});
-		const reload = locale?.reload || 'Reload';
+				// Fallback
+				if (lang == null) lang = 'en-US';
+			}
+		}
+		const { locale } = await import(`/vite/${CONFIG_ENTRY}`).catch(() => ({
+			locale: {
+				_bootErrors: {},
+			},
+		}));
+		const messages = locale._bootErrors;
+		const reload = locale.reload;
 
 		let errorsElement = document.getElementById('errors');
 

packages/backend/src/server/web/error.js

@@ -6,23 +6,22 @@
 'use strict';
 
 (() => {
-	document.addEventListener('DOMContentLoaded', () => {
-		const locale = JSON.parse(localStorage.getItem('locale') || '{}');
+	document.addEventListener('DOMContentLoaded', async () => {
+		const supportedLangs = LANGS;
+		let lang = localStorage.getItem('lang');
+		if (!supportedLangs.includes(lang)) {
+			if (supportedLangs.includes(navigator.language)) {
+				lang = navigator.language;
+			} else {
+				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
 
-		const messages = Object.assign({
-			title: 'Failed to initialize Misskey',
-			serverError: 'If reloading after a period of time does not resolve the problem, contact the server administrator with the following ERROR ID.',
-			solution: 'The following actions may solve the problem.',
-			solution1: 'Update your os and browser',
-			solution2: 'Disable an adblocker',
-			solution3: 'Clear the browser cache',
-			solution4: '(Tor Browser) Set dom.webaudio.enabled to true',
-			otherOption: 'Other options',
-			otherOption1: 'Clear preferences and cache',
-			otherOption2: 'Start the simple client',
-			otherOption3: 'Start the repair tool',
-		}, locale?._bootErrors || {});
-		const reload = locale?.reload || 'Reload';
+				// Fallback
+				if (lang == null) lang = 'en-US';
+			}
+		}
+		const locale = ERROR_MESSAGES[lang];
+		const messages = locale._bootErrors;
+		const reload = locale.reload;
 
 		const reloadEls = document.querySelectorAll('[data-i18n-reload]');
 		for (const el of reloadEls) {

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

@@ -41,6 +41,8 @@ html(class='embed')
 		script.
 			var VERSION = "#{version}";
 			var CLIENT_ENTRY = "#{entry.file}";
+			var CONFIG_ENTRY = "#{config.configEntry.file}";
+			var LOCALES = JSON.parse(`!{JSON.stringify(config.localeEntries)}`);
 
 		script(type='application/json' id='misskey_meta' data-generated-at=now)
 			!= metaJson

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

@@ -70,6 +70,8 @@ html
 		script.
 			var VERSION = "#{version}";
 			var CLIENT_ENTRY = "#{entry.file}";
+			var CONFIG_ENTRY = "#{config.configEntry.file}";
+			var LOCALES = JSON.parse(`!{JSON.stringify(config.localeEntries)}`);
 
 		script(type='application/json' id='misskey_meta' data-generated-at=now)
 			!= metaJson

packages/backend/src/server/web/views/error.pug

@@ -27,6 +27,9 @@ html
 		style
 			include ../error.css
 
+		script.
+			var ERROR_MESSAGES = JSON.parse(`!{JSON.stringify(config.errorLocaleMessages)}`);
+
 		script
 			include ../error.js
 

packages/frontend-embed/src/boot.ts

@@ -13,18 +13,17 @@ import { createApp, defineAsyncComponent } from 'vue';
 import defaultLightTheme from '@@/themes/l-light.json5';
 import defaultDarkTheme from '@@/themes/d-dark.json5';
 import { MediaProxy } from '@@/js/media-proxy.js';
+import { url, version, locale, lang, updateLocale } from '@@/js/config.js';
+import { parseEmbedParams } from '@@/js/embed-page.js';
+import type { Theme } from '@/theme.js';
 import { applyTheme, assertIsTheme } from '@/theme.js';
 import { fetchCustomEmojis } from '@/custom-emojis.js';
 import { DI } from '@/di.js';
 import { serverMetadata } from '@/server-metadata.js';
-import { url, version, locale, lang, updateLocale } from '@@/js/config.js';
-import { parseEmbedParams } from '@@/js/embed-page.js';
 import { postMessageToParentWindow, setIframeId } from '@/post-message.js';
 import { serverContext } from '@/server-context.js';
 import { i18n, updateI18n } from '@/i18n.js';
 
-import type { Theme } from '@/theme.js';
-
 console.log('Misskey Embed');
 
 //#region Embedパラメータの取得・パース
@@ -71,22 +70,6 @@ if (embedParams.colorMode === 'dark') {
 }
 //#endregion
 
-//#region Detect language & fetch translations
-const localeVersion = localStorage.getItem('localeVersion');
-const localeOutdated = (localeVersion == null || localeVersion !== version || locale == null);
-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);
-		localStorage.setItem('locale', newLocale);
-		localStorage.setItem('localeVersion', version);
-		updateLocale(parsedNewLocale);
-		updateI18n(parsedNewLocale);
-	}
-}
-//#endregion
-
 // サイズの制限
 document.documentElement.style.maxWidth = '500px';
 

packages/frontend-shared/js/config.ts

@@ -17,8 +17,7 @@ export const apiUrl = location.origin + '/api';
 export const wsOrigin = location.origin;
 export const lang = localStorage.getItem('lang') ?? 'en-US';
 export const langs = _LANGS_;
-const preParseLocale = localStorage.getItem('locale');
-export let locale: Locale = preParseLocale ? JSON.parse(preParseLocale) : null;
+export let locale: Locale;
 export const version = _VERSION_;
 export const instanceName = (siteName === 'Misskey' || siteName == null) ? host : siteName;
 export const ui = localStorage.getItem('ui');

packages/frontend/.storybook/preview.ts

@@ -55,7 +55,6 @@ function initLocalStorage() {
 		...userDetailed(),
 		policies: {},
 	}));
-	localStorage.setItem('locale', JSON.stringify(locale));
 }
 
 initialize({
@@ -70,13 +69,17 @@ queueMicrotask(() => {
 		import('../src/theme.js'),
 		import('../src/preferences.js'),
 		import('../src/os.js'),
-	]).then(([{ default: components }, { default: directives }, { default: widgets }, { applyTheme }, { prefer }, os]) => {
+		import('../src/i18n.js'),
+		import('../../frontend-shared/js/config.js'),
+	]).then(([{ default: components }, { default: directives }, { default: widgets }, { applyTheme }, { prefer }, os, { updateI18n }, { updateLocale }]) => {
 		setup((app) => {
 			moduleInitialized = true;
 			if (app[appInitialized]) {
 				return;
 			}
 			app[appInitialized] = true;
+			updateLocale(locale);
+			updateI18n(locale);
 			loadTheme(applyTheme);
 			components(app);
 			directives(app);

packages/frontend/src/boot/common.ts

@@ -78,22 +78,6 @@ export async function common(createVue: () => App<Element>) {
 	}
 	//#endregion
 
-	//#region Detect language & fetch translations
-	const localeVersion = miLocalStorage.getItem('localeVersion');
-	const localeOutdated = (localeVersion == null || localeVersion !== version || locale == null);
-	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
 	window.document.addEventListener('touchend', () => {}, { passive: true });
 

packages/frontend/src/local-storage.ts

@@ -23,8 +23,8 @@ export type Keys = (
 	'fontSize' |
 	'ui' |
 	'ui_temp' |
-	'locale' |
-	'localeVersion' |
+	'locale' | // DEPRECATED
+	'localeVersion' | // DEPRECATED
 	'theme' |
 	'themeId' |
 	'customCss' |

packages/frontend/src/pages/settings/preferences.vue

@@ -606,8 +606,6 @@ const defaultFollowWithReplies = prefer.model('defaultFollowWithReplies');
 
 watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
-	miLocalStorage.removeItem('locale');
-	miLocalStorage.removeItem('localeVersion');
 });
 
 watch([

packages/frontend/src/utility/clear-cache.ts

@@ -13,8 +13,10 @@ export async function clearCache() {
 	os.waiting();
 	miLocalStorage.removeItem('instance');
 	miLocalStorage.removeItem('instanceCachedAt');
+	//#region deprecated
 	miLocalStorage.removeItem('locale');
 	miLocalStorage.removeItem('localeVersion');
+	//#endregion
 	miLocalStorage.removeItem('theme');
 	miLocalStorage.removeItem('emojis');
 	miLocalStorage.removeItem('lastEmojisFetchedAt');

packages/frontend/vite.config.ts

@@ -99,6 +99,30 @@ export function getConfig(): UserConfig {
 			pluginVue(),
 			pluginUnwindCssModuleClassName(),
 			pluginJson5(),
+			{
+				name: 'misskey:locale',
+				load: {
+					async handler(id) {
+						if (id.startsWith('locale:')) {
+							const locale = id.slice('locale:'.length);
+							return `
+								import { updateLocale } from '@@/js/config.js';
+								updateLocale(JSON.parse(${JSON.stringify(JSON.stringify(locales[locale]))}));
+							`;
+						}
+					},
+				},
+				resolveId: {
+					async handler(source, importer, options) {
+						if (source.startsWith('locale:')) {
+							return source;
+						}
+						if (importer === path.resolve(__dirname, 'index.html') && source.startsWith('/locale:')) {
+							return source.slice(1);
+						}
+					},
+				},
+			},
 			...process.env.NODE_ENV === 'production'
 				? [
 					pluginReplace({
@@ -162,9 +186,7 @@ export function getConfig(): UserConfig {
 			],
 			manifest: 'manifest.json',
 			rollupOptions: {
-				input: {
-					app: './src/_boot_.ts',
-				},
+				input: ['@/_boot_.ts', '@@/js/config.ts', ...Object.keys(locales).map(locale => `locale:${locale}`)],
 				external: externalPackages.map(p => p.match),
 				output: {
 					manualChunks: {

pnpm-lock.yaml

@@ -594,6 +594,9 @@ importers:
       simple-oauth2:
         specifier: 5.1.0
         version: 5.1.0
+      vite:
+        specifier: 6.2.1
+        version: 6.2.1(@types/node@22.13.4)(sass@1.85.1)(terser@5.39.0)(tsx@4.19.3)
     optionalDependencies:
       '@swc/core-android-arm64':
         specifier: 1.3.11
@@ -21846,6 +21849,18 @@ snapshots:
 
   vite-plugin-turbosnap@1.0.3: {}
 
+  vite@6.2.1(@types/node@22.13.4)(sass@1.85.1)(terser@5.39.0)(tsx@4.19.3):
+    dependencies:
+      esbuild: 0.25.0
+      postcss: 8.5.3
+      rollup: 4.34.9
+    optionalDependencies:
+      '@types/node': 22.13.4
+      fsevents: 2.3.3
+      sass: 1.85.1
+      terser: 5.39.0
+      tsx: 4.19.3
+
   vite@6.2.1(@types/node@22.13.9)(sass@1.85.1)(terser@5.39.0)(tsx@4.19.3):
     dependencies:
       esbuild: 0.25.0