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-embed/src/components/EmImgWithBlurhash.vue

@@ -33,13 +33,11 @@ const canvasPromise = new Promise<WorkerMultiDispatch | HTMLCanvasElement>(resol
 				Math.min(navigator.hardwareConcurrency - 1, 4),
 			);
 			resolve(workers);
-			if (_DEV_) console.log('WebGL2 in worker is supported!');
 		} else {
 			const canvas = document.createElement('canvas');
 			canvas.width = 64;
 			canvas.height = 64;
 			resolve(canvas);
-			if (_DEV_) console.log('WebGL2 in worker is not supported...');
 		}
 		testWorker.terminate();
 	});

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/fake-utils.ts

@@ -131,7 +131,7 @@ export function imageDataUrl(options?: {
 		alpha?: number,
 	}
 }, seed?: string): string {
-	const canvas = document.createElement('canvas');
+	const canvas = window.document.createElement('canvas');
 	canvas.width = options?.size?.width ?? 100;
 	canvas.height = options?.size?.height ?? 100;
 

packages/frontend/.storybook/preview.ts

@@ -23,9 +23,9 @@ let misskeyOS = null;
 
 function loadTheme(applyTheme: typeof import('../src/theme')['applyTheme']) {
 	unobserve();
-	const theme = themes[document.documentElement.dataset.misskeyTheme];
+	const theme = themes[window.document.documentElement.dataset.misskeyTheme];
 	if (theme) {
-		applyTheme(themes[document.documentElement.dataset.misskeyTheme]);
+		applyTheme(themes[window.document.documentElement.dataset.misskeyTheme]);
 	} else {
 		applyTheme(themes['l-light']);
 	}
@@ -42,7 +42,7 @@ function loadTheme(applyTheme: typeof import('../src/theme')['applyTheme']) {
 			}
 		}
 	});
-	observer.observe(document.documentElement, {
+	observer.observe(window.document.documentElement, {
 		attributes: true,
 		attributeFilter: ['data-misskey-theme'],
 	});
@@ -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/eslint.config.js

@@ -50,13 +50,46 @@ export default [
 			// defineExposeが誤検知されてしまう
 			'@typescript-eslint/no-unused-expressions': 'off',
 			'import/consistent-type-specifier-style': ['error', 'prefer-top-level'],
-			// window の禁止理由: グローバルスコープと衝突し、予期せぬ結果を招くため
-			// e の禁止理由: error や event など、複数のキーワードの頭文字であり分かりにくいため
+			// window ... グローバルスコープと衝突し、予期せぬ結果を招くため
+			// e ... error や event など、複数のキーワードの頭文字であり分かりにくいため
 			// close ... window.closeと衝突 or 紛らわしい
 			// open ... window.openと衝突 or 紛らわしい
 			// fetch ... window.fetchと衝突 or 紛らわしい
 			// location ... window.locationと衝突 or 紛らわしい
-			'id-denylist': ['error', 'window', 'e', 'close', 'open', 'fetch', 'location'],
+			// document ... window.documentと衝突 or 紛らわしい
+			// history ... window.historyと衝突 or 紛らわしい
+			'id-denylist': ['warn', 'window', 'e', 'close', 'open', 'fetch', 'location', 'document', 'history'],
+			'no-restricted-globals': [
+				'error',
+				{
+					'name': 'open',
+					'message': 'Use `window.open`.',
+				},
+				{
+					'name': 'close',
+					'message': 'Use `window.close`.',
+				},
+				{
+					'name': 'fetch',
+					'message': 'Use `window.fetch`.',
+				},
+				{
+					'name': 'location',
+					'message': 'Use `window.location`.',
+				},
+				{
+					'name': 'document',
+					'message': 'Use `window.document`.',
+				},
+				{
+					'name': 'history',
+					'message': 'Use `window.history`.',
+				},
+				{
+					'name': 'name',
+					'message': 'Use `window.name`. もしくは name という変数名を定義し忘れている',
+				},
+			],
 			'no-shadow': ['warn'],
 			'vue/attributes-order': ['error', {
 				alphabetical: false,

packages/frontend/src/_boot_.ts

@@ -14,7 +14,7 @@ import { subBoot } from '@/boot/sub-boot.js';
 
 const subBootPaths = ['/share', '/auth', '/miauth', '/oauth', '/signup-complete', '/install-extensions'];
 
-if (subBootPaths.some(i => location.pathname === i || location.pathname.startsWith(i + '/'))) {
+if (subBootPaths.some(i => window.location.pathname === i || window.location.pathname.startsWith(i + '/'))) {
 	subBoot();
 } else {
 	mainBoot();

packages/frontend/src/accounts.ts

@@ -191,7 +191,7 @@ export async function login(token: AccountWithToken['token'], redirect?: string)
 		// 他のタブは再読み込みするだけ
 		reloadChannel.postMessage(null);
 		// このページはredirectで指定された先に移動
-		location.href = redirect;
+		window.location.href = redirect;
 		return;
 	}
 

packages/frontend/src/boot/common.ts

@@ -78,45 +78,29 @@ 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
-	document.addEventListener('touchend', () => {}, { passive: true });
+	window.document.addEventListener('touchend', () => {}, { passive: true });
 
 	// URLに#pswpを含む場合は取り除く
-	if (location.hash === '#pswp') {
-		history.replaceState(null, '', location.href.replace('#pswp', ''));
+	if (window.location.hash === '#pswp') {
+		window.history.replaceState(null, '', window.location.href.replace('#pswp', ''));
 	}
 
 	// 一斉リロード
 	reloadChannel.addEventListener('message', path => {
-		if (path !== null) location.href = path;
-		else location.reload();
+		if (path !== null) window.location.href = path;
+		else window.location.reload();
 	});
 
 	// If mobile, insert the viewport meta tag
 	if (['smartphone', 'tablet'].includes(deviceKind)) {
-		const viewport = document.getElementsByName('viewport').item(0);
+		const viewport = window.document.getElementsByName('viewport').item(0);
 		viewport.setAttribute('content',
 			`${viewport.getAttribute('content')}, minimum-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover`);
 	}
 
 	//#region Set lang attr
-	const html = document.documentElement;
+	const html = window.document.documentElement;
 	html.setAttribute('lang', lang);
 	//#endregion
 
@@ -130,11 +114,11 @@ export async function common(createVue: () => App<Element>) {
 	});
 
 	//#region loginId
-	const params = new URLSearchParams(location.search);
+	const params = new URLSearchParams(window.location.search);
 	const loginId = params.get('loginId');
 
 	if (loginId) {
-		const target = getUrlWithoutLoginId(location.href);
+		const target = getUrlWithoutLoginId(window.location.href);
 
 		if (!$i || $i.id !== loginId) {
 			const account = await getAccountFromId(loginId);
@@ -143,7 +127,7 @@ export async function common(createVue: () => App<Element>) {
 			}
 		}
 
-		history.replaceState({ misskey: 'loginId' }, '', target);
+		window.history.replaceState({ misskey: 'loginId' }, '', target);
 	}
 	//#endregion
 
@@ -155,7 +139,7 @@ export async function common(createVue: () => App<Element>) {
 		);
 	}, { immediate: miLocalStorage.getItem('theme') == null });
 
-	document.documentElement.dataset.colorScheme = store.s.darkMode ? 'dark' : 'light';
+	window.document.documentElement.dataset.colorScheme = store.s.darkMode ? 'dark' : 'light';
 
 	const darkTheme = prefer.model('darkTheme');
 	const lightTheme = prefer.model('lightTheme');
@@ -201,20 +185,20 @@ export async function common(createVue: () => App<Element>) {
 	}, { immediate: true });
 
 	watch(prefer.r.useBlurEffectForModal, v => {
-		document.documentElement.style.setProperty('--MI-modalBgFilter', v ? 'blur(4px)' : 'none');
+		window.document.documentElement.style.setProperty('--MI-modalBgFilter', v ? 'blur(4px)' : 'none');
 	}, { immediate: true });
 
 	watch(prefer.r.useBlurEffect, v => {
 		if (v) {
-			document.documentElement.style.removeProperty('--MI-blur');
+			window.document.documentElement.style.removeProperty('--MI-blur');
 		} else {
-			document.documentElement.style.setProperty('--MI-blur', 'none');
+			window.document.documentElement.style.setProperty('--MI-blur', 'none');
 		}
 	}, { immediate: true });
 
 	// Keep screen on
-	const onVisibilityChange = () => document.addEventListener('visibilitychange', () => {
-		if (document.visibilityState === 'visible') {
+	const onVisibilityChange = () => window.document.addEventListener('visibilitychange', () => {
+		if (window.document.visibilityState === 'visible') {
 			navigator.wakeLock.request('screen');
 		}
 	});
@@ -224,7 +208,7 @@ export async function common(createVue: () => App<Element>) {
 			.catch(() => {
 				// On WebKit-based browsers, user activation is required to send wake lock request
 				// https://webkit.org/blog/13862/the-user-activation-api/
-				document.addEventListener(
+				window.document.addEventListener(
 					'click',
 					() => navigator.wakeLock.request('screen').then(onVisibilityChange),
 					{ once: true },
@@ -233,7 +217,7 @@ export async function common(createVue: () => App<Element>) {
 	}
 
 	if (prefer.s.makeEveryTextElementsSelectable) {
-		document.documentElement.classList.add('forceSelectableAll');
+		window.document.documentElement.classList.add('forceSelectableAll');
 	}
 
 	//#region Fetch user
@@ -278,16 +262,16 @@ export async function common(createVue: () => App<Element>) {
 	const rootEl = ((): HTMLElement => {
 		const MISSKEY_MOUNT_DIV_ID = 'misskey_app';
 
-		const currentRoot = document.getElementById(MISSKEY_MOUNT_DIV_ID);
+		const currentRoot = window.document.getElementById(MISSKEY_MOUNT_DIV_ID);
 
 		if (currentRoot) {
 			console.warn('multiple import detected');
 			return currentRoot;
 		}
 
-		const root = document.createElement('div');
+		const root = window.document.createElement('div');
 		root.id = MISSKEY_MOUNT_DIV_ID;
-		document.body.appendChild(root);
+		window.document.body.appendChild(root);
 		return root;
 	})();
 
@@ -300,24 +284,26 @@ export async function common(createVue: () => App<Element>) {
 	removeSplash();
 
 	//#region Self-XSS 対策メッセージ
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.warning}`,
-		'color: #f00; background-color: #ff0; font-size: 36px; padding: 4px;',
-	);
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.title}`,
-		'color: #f00; font-weight: 900; font-family: "Hiragino Sans W9", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 24px;',
-	);
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.description1}`,
-		'font-size: 16px; font-weight: 700;',
-	);
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.description2}`,
-		'font-size: 16px;',
-		'font-size: 20px; font-weight: 700; color: #f00;',
-	);
-	console.log(i18n.tsx._selfXssPrevention.description3({ link: 'https://misskey-hub.net/docs/for-users/resources/self-xss/' }));
+	if (!_DEV_) {
+		console.log(
+			`%c${i18n.ts._selfXssPrevention.warning}`,
+			'color: #f00; background-color: #ff0; font-size: 36px; padding: 4px;',
+		);
+		console.log(
+			`%c${i18n.ts._selfXssPrevention.title}`,
+			'color: #f00; font-weight: 900; font-family: "Hiragino Sans W9", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 24px;',
+		);
+		console.log(
+			`%c${i18n.ts._selfXssPrevention.description1}`,
+			'font-size: 16px; font-weight: 700;',
+		);
+		console.log(
+			`%c${i18n.ts._selfXssPrevention.description2}`,
+			'font-size: 16px;',
+			'font-size: 20px; font-weight: 700; color: #f00;',
+		);
+		console.log(i18n.tsx._selfXssPrevention.description3({ link: 'https://misskey-hub.net/docs/for-users/resources/self-xss/' }));
+	}
 	//#endregion
 
 	return {
@@ -328,7 +314,7 @@ export async function common(createVue: () => App<Element>) {
 }
 
 function removeSplash() {
-	const splash = document.getElementById('splash');
+	const splash = window.document.getElementById('splash');
 	if (splash) {
 		splash.style.opacity = '0';
 		splash.style.pointerEvents = 'none';

packages/frontend/src/boot/main-boot.ts

@@ -43,7 +43,7 @@ export async function mainBoot() {
 		if (!$i) uiStyle = 'visitor';
 
 		if (searchParams.has('zen')) uiStyle = 'zen';
-		if (uiStyle === 'deck' && prefer.s['deck.useSimpleUiForNonRootPages'] && location.pathname !== '/') uiStyle = 'zen';
+		if (uiStyle === 'deck' && prefer.s['deck.useSimpleUiForNonRootPages'] && window.location.pathname !== '/') uiStyle = 'zen';
 
 		if (searchParams.has('ui')) uiStyle = searchParams.get('ui');
 
@@ -216,7 +216,7 @@ export async function mainBoot() {
 	let reloadDialogShowing = false;
 	stream.on('_disconnected_', async () => {
 		if (prefer.s.serverDisconnectedBehavior === 'reload') {
-			location.reload();
+			window.location.reload();
 		} else if (prefer.s.serverDisconnectedBehavior === 'dialog') {
 			if (reloadDialogShowing) return;
 			reloadDialogShowing = true;
@@ -227,7 +227,7 @@ export async function mainBoot() {
 			});
 			reloadDialogShowing = false;
 			if (!canceled) {
-				location.reload();
+				window.location.reload();
 			}
 		}
 	});
@@ -398,7 +398,7 @@ export async function mainBoot() {
 			let lastVisibilityChangedAt = Date.now();
 
 			function claimPlainLucky() {
-				if (document.visibilityState !== 'visible') {
+				if (window.document.visibilityState !== 'visible') {
 					if (justPlainLuckyTimer != null) window.clearTimeout(justPlainLuckyTimer);
 					return;
 				}
@@ -413,7 +413,7 @@ export async function mainBoot() {
 			window.addEventListener('visibilitychange', () => {
 				const now = Date.now();
 
-				if (document.visibilityState === 'visible') {
+				if (window.document.visibilityState === 'visible') {
 					// タブを高速で切り替えたら取得処理が何度も走るのを防ぐ
 					if ((now - lastVisibilityChangedAt) < 1000 * 10) {
 						justPlainLuckyTimer = window.setTimeout(claimPlainLucky, 1000 * 10);
@@ -458,7 +458,7 @@ export async function mainBoot() {
 
 		const latestDonationInfoShownAt = miLocalStorage.getItem('latestDonationInfoShownAt');
 		const neverShowDonationInfo = miLocalStorage.getItem('neverShowDonationInfo');
-		if (neverShowDonationInfo !== 'true' && (createdAt.getTime() < (Date.now() - (1000 * 60 * 60 * 24 * 3))) && !location.pathname.startsWith('/miauth')) {
+		if (neverShowDonationInfo !== 'true' && (createdAt.getTime() < (Date.now() - (1000 * 60 * 60 * 24 * 3))) && !window.location.pathname.startsWith('/miauth')) {
 			if (latestDonationInfoShownAt == null || (new Date(latestDonationInfoShownAt).getTime() < (Date.now() - (1000 * 60 * 60 * 24 * 30)))) {
 				const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkDonation.vue')), {}, {
 					closed: () => dispose(),
@@ -554,7 +554,7 @@ export async function mainBoot() {
 			mainRouter.push('/search');
 		},
 	} as const satisfies Keymap;
-	document.addEventListener('keydown', makeHotkey(keymap), { passive: false });
+	window.document.addEventListener('keydown', makeHotkey(keymap), { passive: false });
 
 	initializeSw();
 }

packages/frontend/src/components/MkAnalogClock.vue

@@ -192,7 +192,7 @@ function tick() {
 tick();
 
 function calcColors() {
-	const computedStyle = getComputedStyle(document.documentElement);
+	const computedStyle = getComputedStyle(window.document.documentElement);
 	const dark = tinycolor(computedStyle.getPropertyValue('--MI_THEME-bg')).isDark();
 	const accent = tinycolor(computedStyle.getPropertyValue('--MI_THEME-accent')).toHexString();
 	majorGraduationColor.value = dark ? 'rgba(255, 255, 255, 0.3)' : 'rgba(0, 0, 0, 0.3)';

packages/frontend/src/components/MkAnimBg.vue

@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<canvas ref="canvasEl" style="width: 100%; height: 100%; pointer-events: none;"></canvas>
+<canvas ref="canvasEl" style="display: block; width: 100%; height: 100%; pointer-events: none;"></canvas>
 </template>
 
 <script lang="ts" setup>

packages/frontend/src/components/MkAutocomplete.vue

@@ -359,7 +359,7 @@ onMounted(() => {
 
 	props.textarea.addEventListener('keydown', onKeydown);
 
-	document.body.addEventListener('mousedown', onMousedown);
+	window.document.body.addEventListener('mousedown', onMousedown);
 
 	nextTick(() => {
 		exec();
@@ -375,7 +375,7 @@ onMounted(() => {
 onBeforeUnmount(() => {
 	props.textarea.removeEventListener('keydown', onKeydown);
 
-	document.body.removeEventListener('mousedown', onMousedown);
+	window.document.body.removeEventListener('mousedown', onMousedown);
 });
 </script>
 

packages/frontend/src/components/MkButton.vue

@@ -92,7 +92,7 @@ function onMousedown(evt: MouseEvent): void {
 	const target = evt.target! as HTMLElement;
 	const rect = target.getBoundingClientRect();
 
-	const ripple = document.createElement('div');
+	const ripple = window.document.createElement('div');
 	ripple.classList.add(ripples.value!.dataset.childrenClass!);
 	ripple.style.top = (evt.clientY - rect.top - 1).toString() + 'px';
 	ripple.style.left = (evt.clientX - rect.left - 1).toString() + 'px';

packages/frontend/src/components/MkCaptcha.vue

@@ -112,7 +112,7 @@ watch(() => [props.instanceUrl, props.sitekey, props.secretKey], async () => {
 if (loaded || props.provider === 'mcaptcha' || props.provider === 'testcaptcha') {
 	available.value = true;
 } else if (src.value !== null) {
-	(document.getElementById(scriptId.value) ?? document.head.appendChild(Object.assign(document.createElement('script'), {
+	(window.document.getElementById(scriptId.value) ?? window.document.head.appendChild(Object.assign(window.document.createElement('script'), {
 		async: true,
 		id: scriptId.value,
 		src: src.value,
@@ -149,7 +149,7 @@ async function requestRender() {
 	if (captcha.value.render && captchaEl.value instanceof Element && props.sitekey) {
 		// reCAPTCHAのレンダリング重複判定を回避するため、captchaEl配下に仮のdivを用意する.
 		// （同じdivに対して複数回renderを呼び出すとreCAPTCHAはエラーを返すので）
-		const elem = document.createElement('div');
+		const elem = window.document.createElement('div');
 		captchaEl.value.appendChild(elem);
 
 		captchaWidgetId.value = captcha.value.render(elem, {
@@ -174,7 +174,7 @@ async function requestRender() {
 
 function clearWidget() {
 	if (props.provider === 'mcaptcha') {
-		const container = document.getElementById('mcaptcha__widget-container');
+		const container = window.document.getElementById('mcaptcha__widget-container');
 		if (container) {
 			container.innerHTML = '';
 		}

packages/frontend/src/components/MkContextMenu.vue

@@ -68,11 +68,11 @@ onMounted(() => {
 		rootEl.value.style.left = `${left}px`;
 	}
 
-	document.body.addEventListener('mousedown', onMousedown);
+	window.document.body.addEventListener('mousedown', onMousedown);
 });
 
 onBeforeUnmount(() => {
-	document.body.removeEventListener('mousedown', onMousedown);
+	window.document.body.removeEventListener('mousedown', onMousedown);
 });
 
 function onMousedown(evt: Event) {

packages/frontend/src/components/MkCropperDialog.stories.impl.ts

@@ -3,14 +3,12 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-/* eslint-disable @typescript-eslint/explicit-function-return-type */
-/* eslint-disable import/no-default-export */
-import type { StoryObj } from '@storybook/vue3';
 import { HttpResponse, http } from 'msw';
 import { action } from '@storybook/addon-actions';
 import { file } from '../../.storybook/fakes.js';
 import { commonHandlers } from '../../.storybook/mocks.js';
 import MkCropperDialog from './MkCropperDialog.vue';
+import type { StoryObj } from '@storybook/vue3';
 export const Default = {
 	render(args) {
 		return {
@@ -55,7 +53,7 @@ export const Default = {
 				http.get('/proxy/image.webp', async ({ request }) => {
 					const url = new URL(request.url).searchParams.get('url');
 					if (url === 'https://github.com/misskey-dev/misskey/blob/master/packages/frontend/assets/fedi.jpg?raw=true') {
-						const image = await (await fetch('client-assets/fedi.jpg')).blob();
+						const image = await (await window.fetch('client-assets/fedi.jpg')).blob();
 						return new HttpResponse(image, {
 							headers: {
 								'Content-Type': 'image/jpeg',

packages/frontend/src/components/MkCropperDialog.vue

@@ -122,7 +122,7 @@ onMounted(() => {
 	cropper = new Cropper(imgEl.value!, {
 	});
 
-	const computedStyle = getComputedStyle(document.documentElement);
+	const computedStyle = getComputedStyle(window.document.documentElement);
 
 	const selection = cropper.getCropperSelection()!;
 	selection.themeColor = tinycolor(computedStyle.getPropertyValue('--MI_THEME-accent')).toHexString();

packages/frontend/src/components/MkEmbedCodeGenDialog.vue

@@ -180,7 +180,7 @@ function applyToPreview() {
 	nextTick(() => {
 		if (currentPreviewUrl === embedPreviewUrl.value) {
 			// URLが変わらなくてもリロード
-			iframeEl.value?.contentWindow?.location.reload();
+			iframeEl.value?.contentWindow?.window.location.reload();
 		}
 	});
 }

packages/frontend/src/components/MkFolder.vue

@@ -116,7 +116,7 @@ function toggle() {
 }
 
 onMounted(() => {
-	const computedStyle = getComputedStyle(document.documentElement);
+	const computedStyle = getComputedStyle(window.document.documentElement);
 	const parentBg = getBgColor(rootEl.value?.parentElement) ?? 'transparent';
 	const myBg = computedStyle.getPropertyValue('--MI_THEME-panel');
 	bgSame.value = parentBg === myBg;

packages/frontend/src/components/MkImgWithBlurhash.vue

@@ -55,7 +55,7 @@ import { extractAvgColorFromBlurhash } from '@@/js/extract-avg-color-from-blurha
 const canvasPromise = new Promise<WorkerMultiDispatch | HTMLCanvasElement>(resolve => {
 	// テスト環境で Web Worker インスタンスは作成できない
 	if (import.meta.env.MODE === 'test') {
-		const canvas = document.createElement('canvas');
+		const canvas = window.document.createElement('canvas');
 		canvas.width = 64;
 		canvas.height = 64;
 		resolve(canvas);
@@ -69,13 +69,11 @@ const canvasPromise = new Promise<WorkerMultiDispatch | HTMLCanvasElement>(resol
 				Math.min(navigator.hardwareConcurrency - 1, 4),
 			);
 			resolve(workers);
-			if (_DEV_) console.log('WebGL2 in worker is supported!');
 		} else {
-			const canvas = document.createElement('canvas');
+			const canvas = window.document.createElement('canvas');
 			canvas.width = 64;
 			canvas.height = 64;
 			resolve(canvas);
-			if (_DEV_) console.log('WebGL2 in worker is not supported...');
 		}
 		testWorker.terminate();
 	});

packages/frontend/src/components/MkInstanceCardMini.stories.impl.ts

@@ -3,13 +3,12 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-/* eslint-disable @typescript-eslint/explicit-function-return-type */
-import type { StoryObj } from '@storybook/vue3';
 import { HttpResponse, http } from 'msw';
 import { federationInstance } from '../../.storybook/fakes.js';
 import { commonHandlers } from '../../.storybook/mocks.js';
 import { getChartResolver } from '../../.storybook/charts.js';
 import MkInstanceCardMini from './MkInstanceCardMini.vue';
+import type { StoryObj } from '@storybook/vue3';
 
 export const Default = {
 	render(args) {
@@ -48,7 +47,7 @@ export const Default = {
 					const url = new URL(urlStr);
 
 					if (url.href.startsWith('https://github.com/misskey-dev/misskey/blob/master/packages/frontend/assets/')) {
-						const image = await (await fetch(`client-assets/${url.pathname.split('/').pop()}`)).blob();
+						const image = await (await window.fetch(`client-assets/${url.pathname.split('/').pop()}`)).blob();
 						return new HttpResponse(image, {
 							headers: {
 								'Content-Type': 'image/jpeg',

packages/frontend/src/components/MkInstanceStats.vue

@@ -126,7 +126,7 @@ function createDoughnut(chartEl, tooltip, data) {
 			labels: data.map(x => x.name),
 			datasets: [{
 				backgroundColor: data.map(x => x.color),
-				borderColor: getComputedStyle(document.documentElement).getPropertyValue('--MI_THEME-panel'),
+				borderColor: getComputedStyle(window.document.documentElement).getPropertyValue('--MI_THEME-panel'),
 				borderWidth: 2,
 				hoverOffset: 0,
 				data: data.map(x => x.value),

packages/frontend/src/components/MkMediaAudio.vue

@@ -148,7 +148,7 @@ const keymap = {
 // PlayerElもしくはその子要素にフォーカスがあるかどうか
 function hasFocus() {
 	if (!playerEl.value) return false;
-	return playerEl.value === document.activeElement || playerEl.value.contains(document.activeElement);
+	return playerEl.value === window.document.activeElement || playerEl.value.contains(window.document.activeElement);
 }
 
 const playerEl = useTemplateRef('playerEl');

packages/frontend/src/components/MkMediaList.vue

@@ -48,7 +48,7 @@ const props = defineProps<{
 
 const gallery = useTemplateRef('gallery');
 const pswpZIndex = os.claimZIndex('middle');
-document.documentElement.style.setProperty('--mk-pswp-root-z-index', pswpZIndex.toString());
+window.document.documentElement.style.setProperty('--mk-pswp-root-z-index', pswpZIndex.toString());
 const count = computed(() => props.mediaList.filter(media => previewable(media)).length);
 let lightbox: PhotoSwipeLightbox | null = null;
 
@@ -166,7 +166,7 @@ onMounted(() => {
 			className: 'pswp__alt-text-container',
 			appendTo: 'wrapper',
 			onInit: (el, pswp) => {
-				const textBox = document.createElement('p');
+				const textBox = window.document.createElement('p');
 				textBox.className = 'pswp__alt-text _acrylic';
 				el.appendChild(textBox);
 
@@ -178,19 +178,19 @@ onMounted(() => {
 	});
 
 	lightbox.on('afterInit', () => {
-		activeEl = document.activeElement instanceof HTMLElement ? document.activeElement : null;
+		activeEl = window.document.activeElement instanceof HTMLElement ? window.document.activeElement : null;
 		focusParent(activeEl, true, true);
 		lightbox?.pswp?.element?.focus({
 			preventScroll: true,
 		});
-		history.pushState(null, '', '#pswp');
+		window.history.pushState(null, '', '#pswp');
 	});
 
 	lightbox.on('destroy', () => {
 		focusParent(activeEl, true, false);
 		activeEl = null;
 		if (window.location.hash === '#pswp') {
-			history.back();
+			window.history.back();
 		}
 	});
 

packages/frontend/src/components/MkMediaVideo.vue

@@ -171,7 +171,7 @@ const keymap = {
 // PlayerElもしくはその子要素にフォーカスがあるかどうか
 function hasFocus() {
 	if (!playerEl.value) return false;
-	return playerEl.value === document.activeElement || playerEl.value.contains(document.activeElement);
+	return playerEl.value === window.document.activeElement || playerEl.value.contains(window.document.activeElement);
 }
 
 // eslint-disable-next-line vue/no-setup-props-reactivity-loss
@@ -216,7 +216,7 @@ function showMenu(ev: MouseEvent) {
 				'2.0x': 2,
 			},
 		},
-		...(document.pictureInPictureEnabled ? [{
+		...(window.document.pictureInPictureEnabled ? [{
 			text: i18n.ts._mediaControls.pip,
 			icon: 'ti ti-picture-in-picture',
 			action: togglePictureInPicture,
@@ -384,8 +384,8 @@ function toggleFullscreen() {
 
 function togglePictureInPicture() {
 	if (videoEl.value) {
-		if (document.pictureInPictureElement) {
-			document.exitPictureInPicture();
+		if (window.document.pictureInPictureElement) {
+			window.document.exitPictureInPicture();
 		} else {
 			videoEl.value.requestPictureInPicture();
 		}

packages/frontend/src/components/MkMenu.vue

@@ -358,10 +358,10 @@ function switchItem(item: MenuSwitch & { ref: any }) {
 
 function focusUp() {
 	if (disposed) return;
-	if (!itemsEl.value?.contains(document.activeElement)) return;
+	if (!itemsEl.value?.contains(window.document.activeElement)) return;
 
 	const focusableElements = Array.from(itemsEl.value.children).filter(isFocusable);
-	const activeIndex = focusableElements.findIndex(el => el === document.activeElement);
+	const activeIndex = focusableElements.findIndex(el => el === window.document.activeElement);
 	const targetIndex = (activeIndex !== -1 && activeIndex !== 0) ? (activeIndex - 1) : (focusableElements.length - 1);
 	const targetElement = focusableElements.at(targetIndex) ?? itemsEl.value;
 
@@ -370,10 +370,10 @@ function focusUp() {
 
 function focusDown() {
 	if (disposed) return;
-	if (!itemsEl.value?.contains(document.activeElement)) return;
+	if (!itemsEl.value?.contains(window.document.activeElement)) return;
 
 	const focusableElements = Array.from(itemsEl.value.children).filter(isFocusable);
-	const activeIndex = focusableElements.findIndex(el => el === document.activeElement);
+	const activeIndex = focusableElements.findIndex(el => el === window.document.activeElement);
 	const targetIndex = (activeIndex !== -1 && activeIndex !== (focusableElements.length - 1)) ? (activeIndex + 1) : 0;
 	const targetElement = focusableElements.at(targetIndex) ?? itemsEl.value;
 
@@ -400,9 +400,9 @@ const onGlobalMousedown = (ev: MouseEvent) => {
 
 const setupHandlers = () => {
 	if (!isNestingMenu) {
-		document.addEventListener('focusin', onGlobalFocusin, { passive: true });
+		window.document.addEventListener('focusin', onGlobalFocusin, { passive: true });
 	}
-	document.addEventListener('mousedown', onGlobalMousedown, { passive: true });
+	window.document.addEventListener('mousedown', onGlobalMousedown, { passive: true });
 };
 
 let disposed = false;
@@ -410,9 +410,9 @@ let disposed = false;
 const disposeHandlers = () => {
 	disposed = true;
 	if (!isNestingMenu) {
-		document.removeEventListener('focusin', onGlobalFocusin);
+		window.document.removeEventListener('focusin', onGlobalFocusin);
 	}
-	document.removeEventListener('mousedown', onGlobalMousedown);
+	window.document.removeEventListener('mousedown', onGlobalMousedown);
 };
 
 onMounted(() => {

packages/frontend/src/components/MkMiniChart.vue

@@ -48,7 +48,7 @@ const polygonPoints = ref('');
 const headX = ref<number | null>(null);
 const headY = ref<number | null>(null);
 const clock = ref<number | null>(null);
-const accent = tinycolor(getComputedStyle(document.documentElement).getPropertyValue('--MI_THEME-accent'));
+const accent = tinycolor(getComputedStyle(window.document.documentElement).getPropertyValue('--MI_THEME-accent'));
 const color = accent.toRgbString();
 
 function draw(): void {

packages/frontend/src/components/MkNotifications.vue

@@ -59,7 +59,7 @@ const pagination = computed(() => prefer.r.useGroupedNotifications.value ? {
 
 function onNotification(notification) {
 	const isMuted = props.excludeTypes ? props.excludeTypes.includes(notification.type) : false;
-	if (isMuted || document.visibilityState === 'visible') {
+	if (isMuted || window.document.visibilityState === 'visible') {
 		useStream().send('readNotification');
 	}
 

packages/frontend/src/components/MkPageWithAnimBg.vue

@@ -0,0 +1,21 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div>
+	<MkAnimBg style="position: absolute;"/>
+	<div class="_pageScrollable" style="position: absolute; top: 0; width: 100%; height: 100%;">
+		<slot></slot>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import MkAnimBg from '@/components/MkAnimBg.vue';
+</script>
+
+<style lang="scss" module>
+
+</style>

packages/frontend/src/components/MkPagination.vue

@@ -142,7 +142,7 @@ const {
 } = prefer.r;
 
 const contentEl = computed(() => props.pagination.pageEl ?? rootEl.value);
-const scrollableElement = computed(() => contentEl.value ? getScrollContainer(contentEl.value) : document.body);
+const scrollableElement = computed(() => contentEl.value ? getScrollContainer(contentEl.value) : window.document.body);
 
 const visibility = useDocumentVisibility();
 

packages/frontend/src/components/MkRange.vue

@@ -151,9 +151,9 @@ function onMousedown(ev: MouseEvent | TouchEvent) {
 		closed: () => dispose(),
 	});
 
-	const style = document.createElement('style');
-	style.appendChild(document.createTextNode('* { cursor: grabbing !important; } body * { pointer-events: none !important; }'));
-	document.head.appendChild(style);
+	const style = window.document.createElement('style');
+	style.appendChild(window.document.createTextNode('* { cursor: grabbing !important; } body * { pointer-events: none !important; }'));
+	window.document.head.appendChild(style);
 
 	const thumbWidth = getThumbWidth();
 
@@ -172,7 +172,7 @@ function onMousedown(ev: MouseEvent | TouchEvent) {
 	let beforeValue = finalValue.value;
 
 	const onMouseup = () => {
-		document.head.removeChild(style);
+		window.document.head.removeChild(style);
 		tooltipForDragShowing.value = false;
 		window.removeEventListener('mousemove', onDrag);
 		window.removeEventListener('touchmove', onDrag);

packages/frontend/src/components/MkReactionsViewer.reaction.vue

@@ -136,7 +136,7 @@ async function menu(ev) {
 }
 
 function anime() {
-	if (document.hidden || !prefer.s.animation || buttonEl.value == null) return;
+	if (window.document.hidden || !prefer.s.animation || buttonEl.value == null) return;
 
 	const rect = buttonEl.value.getBoundingClientRect();
 	const x = rect.left + 16;

packages/frontend/src/components/MkRetentionLineChart.vue

@@ -44,7 +44,7 @@ onMounted(async () => {
 
 	const vLineColor = store.s.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
 
-	const accent = tinycolor(getComputedStyle(document.documentElement).getPropertyValue('--MI_THEME-accent'));
+	const accent = tinycolor(getComputedStyle(window.document.documentElement).getPropertyValue('--MI_THEME-accent'));
 	const color = accent.toHex();
 
 	if (chartEl.value == null) return;

packages/frontend/src/components/MkRoleSelectDialog.vue

@@ -11,7 +11,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	:width="400"
 	:height="500"
 	@close="onCloseModalWindow"
-	@closed="console.log('MkRoleSelectDialog: closed') ; $emit('dispose')"
+	@closed="emit('closed')"
 >
 	<template #header>{{ title }}</template>
 	<MkSpacer :marginMin="20" :marginMax="28">
@@ -58,7 +58,7 @@ import MkLoading from '@/components/global/MkLoading.vue';
 const emit = defineEmits<{
 	(ev: 'done', value: Misskey.entities.Role[]),
 	(ev: 'close'),
-	(ev: 'dispose'),
+	(ev: 'closed'),
 }>();
 
 const props = withDefaults(defineProps<{

packages/frontend/src/components/MkSignupDialog.form.vue

@@ -267,7 +267,7 @@ async function onSubmit(): Promise<void> {
 		'testcaptcha-response': testcaptchaResponse.value,
 	};
 
-	const res = await fetch(`${config.apiUrl}/signup`, {
+	const res = await window.fetch(`${config.apiUrl}/signup`, {
 		method: 'POST',
 		headers: {
 			'Content-Type': 'application/json',

packages/frontend/src/components/MkTagCloud.vue

@@ -20,7 +20,7 @@ import tinycolor from 'tinycolor2';
 
 const loaded = !!window.TagCanvas;
 const SAFE_FOR_HTML_ID = 'abcdefghijklmnopqrstuvwxyz';
-const computedStyle = getComputedStyle(document.documentElement);
+const computedStyle = getComputedStyle(window.document.documentElement);
 const idForCanvas = Array.from({ length: 16 }, () => SAFE_FOR_HTML_ID[Math.floor(Math.random() * SAFE_FOR_HTML_ID.length)]).join('');
 const idForTags = Array.from({ length: 16 }, () => SAFE_FOR_HTML_ID[Math.floor(Math.random() * SAFE_FOR_HTML_ID.length)]).join('');
 const available = ref(false);
@@ -57,7 +57,7 @@ onMounted(() => {
 	if (loaded) {
 		available.value = true;
 	} else {
-		document.head.appendChild(Object.assign(document.createElement('script'), {
+		window.document.head.appendChild(Object.assign(window.document.createElement('script'), {
 			async: true,
 			src: '/client-assets/tagcanvas.min.js',
 		})).addEventListener('load', () => available.value = true);

packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue

@@ -61,7 +61,7 @@ async function renderChart() {
 
 	const vLineColor = store.s.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
 
-	const computedStyle = getComputedStyle(document.documentElement);
+	const computedStyle = getComputedStyle(window.document.documentElement);
 	const accent = tinycolor(computedStyle.getPropertyValue('--MI_THEME-accent')).toHexString();
 
 	const colorRead = accent;

packages/frontend/src/components/MkWindow.vue

@@ -240,7 +240,7 @@ function onHeaderMousedown(evt: MouseEvent | TouchEvent) {
 	const main = rootEl.value;
 	if (main == null) return;
 
-	if (!contains(main, document.activeElement)) main.focus();
+	if (!contains(main, window.document.activeElement)) main.focus();
 
 	const position = main.getBoundingClientRect();
 

packages/frontend/src/components/global/MkA.vue

@@ -87,7 +87,7 @@ function openWindow() {
 
 function nav(ev: MouseEvent) {
 	if (behavior === 'browser') {
-		location.href = props.to;
+		window.location.href = props.to;
 		return;
 	}
 

packages/frontend/src/components/global/MkPageHeader.tabs.vue

@@ -170,7 +170,7 @@ onMounted(() => {
 
 	if (props.rootEl) {
 		ro2 = new ResizeObserver((entries, observer) => {
-			if (document.body.contains(el.value as HTMLElement)) {
+			if (window.document.body.contains(el.value as HTMLElement)) {
 				nextTick(() => renderTab());
 			}
 		});

packages/frontend/src/components/global/MkPageHeader.vue

@@ -69,6 +69,8 @@ const emit = defineEmits<{
 	(ev: 'update:tab', key: string);
 }>();
 
+const viewId = inject(DI.viewId);
+const viewTransitionName = computed(() => `${viewId}---pageHeader`);
 const injectedPageMetadata = inject(DI.pageMetadata);
 const pageMetadata = computed(() => props.overridePageMetadata ?? injectedPageMetadata.value);
 
@@ -106,7 +108,7 @@ function onTabClick(): void {
 
 const calcBg = () => {
 	const rawBg = 'var(--MI_THEME-bg)';
-	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
+	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(window.document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
 	tinyBg.setAlpha(0.85);
 	bg.value = tinyBg.toRgbString();
 };
@@ -120,7 +122,7 @@ onMounted(() => {
 	if (el.value && el.value.parentElement) {
 		narrow.value = el.value.parentElement.offsetWidth < 500;
 		ro = new ResizeObserver((entries, observer) => {
-			if (el.value && el.value.parentElement && document.body.contains(el.value as HTMLElement)) {
+			if (el.value && el.value.parentElement && window.document.body.contains(el.value as HTMLElement)) {
 				narrow.value = el.value.parentElement.offsetWidth < 500;
 			}
 		});
@@ -140,6 +142,7 @@ onUnmounted(() => {
 	backdrop-filter: var(--MI-blur, blur(15px));
 	border-bottom: solid 0.5px var(--MI_THEME-divider);
 	width: 100%;
+	view-transition-name: v-bind(viewTransitionName);
 }
 
 .upper,

packages/frontend/src/components/global/RouterView.vue

@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div class="_pageContainer" style="height: 100%;">
+<div ref="rootEl" class="_pageContainer" :class="$style.root">
 	<KeepAlive :max="prefer.s.numberOfPageCache">
 		<Suspense :timeout="0">
 			<component :is="currentPageComponent" :key="key" v-bind="Object.fromEntries(currentPageProps)"/>
@@ -18,11 +18,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { inject, provide, ref, shallowRef } from 'vue';
+import { inject, nextTick, onMounted, provide, ref, shallowRef, useTemplateRef } from 'vue';
 import type { Router } from '@/router.js';
 import { prefer } from '@/preferences.js';
 import MkLoadingPage from '@/pages/_loading_.vue';
 import { DI } from '@/di.js';
+import { randomId } from '@/utility/random-id.js';
+import { deepEqual } from '@/utility/deep-equal.js';
 
 const props = defineProps<{
 	router?: Router;
@@ -34,18 +36,76 @@ if (router == null) {
 	throw new Error('no router provided');
 }
 
+const viewId = randomId();
+provide(DI.viewId, viewId);
+
 const currentDepth = inject(DI.routerCurrentDepth, 0);
 provide(DI.routerCurrentDepth, currentDepth + 1);
 
+const rootEl = useTemplateRef('rootEl');
+onMounted(() => {
+	rootEl.value.style.viewTransitionName = viewId; // view-transition-nameにcss varが使えないっぽいため直接代入
+});
+
+// view-transition-newなどの<pt-name-selector>にはcss varが使えず、v-bindできないため直接スタイルを生成
+const viewTransitionStylesTag = window.document.createElement('style');
+viewTransitionStylesTag.textContent = `
+@keyframes ${viewId}-old {
+	to { transform: scale(0.95); opacity: 0; }
+}
+
+@keyframes ${viewId}-new {
+	from { transform: scale(0.95); opacity: 0; }
+}
+
+::view-transition-old(${viewId}) {
+	animation-duration: 0.2s;
+  animation-name: ${viewId}-old;
+}
+
+::view-transition-new(${viewId}) {
+	animation-duration: 0.2s;
+  animation-name: ${viewId}-new;
+}
+`;
+
+window.document.head.appendChild(viewTransitionStylesTag);
+
 const current = router.current!;
 const currentPageComponent = shallowRef('component' in current.route ? current.route.component : MkLoadingPage);
 const currentPageProps = ref(current.props);
+let currentRoutePath = current.route.path;
 const key = ref(router.getCurrentFullPath());
 
 router.useListener('change', ({ resolved }) => {
 	if (resolved == null || 'redirect' in resolved.route) return;
-	currentPageComponent.value = resolved.route.component;
-	currentPageProps.value = resolved.props;
-	key.value = router.getCurrentFullPath();
+	if (resolved.route.path === currentRoutePath && deepEqual(resolved.props, currentPageProps.value)) return;
+
+	function _() {
+		currentPageComponent.value = resolved.route.component;
+		currentPageProps.value = resolved.props;
+		key.value = router.getCurrentFullPath();
+		currentRoutePath = resolved.route.path;
+	}
+
+	// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+	if (prefer.s.animation && window.document.startViewTransition) {
+		window.document.startViewTransition(() => new Promise((res) => {
+			_();
+			nextTick(() => {
+				res();
+				//setTimeout(res, 100);
+			});
+		}));
+	} else {
+		_();
+	}
 });
 </script>
+
+<style lang="scss" module>
+.root {
+	height: 100%;
+	background-color: var(--MI_THEME-bg);
+}
+</style>

packages/frontend/src/components/global/SearchMarker.vue

@@ -42,7 +42,7 @@ const highlighted = ref(props.markerId === searchMarkerId.value);
 
 function checkChildren() {
 	if (props.children?.includes(searchMarkerId.value)) {
-		const el = document.querySelector(`[data-in-app-search-marker-id="${searchMarkerId.value}"]`);
+		const el = window.document.querySelector(`[data-in-app-search-marker-id="${searchMarkerId.value}"]`);
 		highlighted.value = el == null;
 	}
 }

packages/frontend/src/di.ts

@@ -11,4 +11,5 @@ export const DI = {
 	router: Symbol() as InjectionKey<Router>,
 	mock: Symbol() as InjectionKey<boolean>,
 	pageMetadata: Symbol() as InjectionKey<Ref<Record<string, any>>>,
+	viewId: Symbol() as InjectionKey<string>,
 };

packages/frontend/src/directives/hotkey.ts

@@ -13,7 +13,7 @@ export default {
 		el._keyHandler = makeHotkey(binding.value);
 
 		if (el._hotkey_global) {
-			document.addEventListener('keydown', el._keyHandler, { passive: false });
+			window.document.addEventListener('keydown', el._keyHandler, { passive: false });
 		} else {
 			el.addEventListener('keydown', el._keyHandler, { passive: false });
 		}
@@ -21,7 +21,7 @@ export default {
 
 	unmounted(el) {
 		if (el._hotkey_global) {
-			document.removeEventListener('keydown', el._keyHandler);
+			window.document.removeEventListener('keydown', el._keyHandler);
 		} else {
 			el.removeEventListener('keydown', el._keyHandler);
 		}

packages/frontend/src/directives/panel.ts

@@ -10,7 +10,7 @@ export default {
 	mounted(src, binding, vn) {
 		const parentBg = getBgColor(src.parentElement) ?? 'transparent';
 
-		const myBg = getComputedStyle(document.documentElement).getPropertyValue('--MI_THEME-panel');
+		const myBg = getComputedStyle(window.document.documentElement).getPropertyValue('--MI_THEME-panel');
 
 		if (parentBg === myBg) {
 			src.style.backgroundColor = 'var(--MI_THEME-bg)';

packages/frontend/src/directives/tooltip.ts

@@ -47,7 +47,7 @@ export default {
 		}
 
 		self.show = () => {
-			if (!document.body.contains(el)) return;
+			if (!window.document.body.contains(el)) return;
 			if (self._close) return;
 			if (self.text == null) return;
 

packages/frontend/src/directives/user-preview.ts

@@ -31,7 +31,7 @@ export class UserPreview {
 	}
 
 	private show() {
-		if (!document.body.contains(this.el)) return;
+		if (!window.document.body.contains(this.el)) return;
 		if (this.promise) return;
 
 		const showing = ref(true);
@@ -58,7 +58,7 @@ export class UserPreview {
 		};
 
 		this.checkTimer = window.setInterval(() => {
-			if (!document.body.contains(this.el)) {
+			if (!window.document.body.contains(this.el)) {
 				window.clearTimeout(this.showTimer);
 				window.clearTimeout(this.hideTimer);
 				this.close();

packages/frontend/src/instance.ts

@@ -12,7 +12,7 @@ import { DEFAULT_INFO_IMAGE_URL, DEFAULT_NOT_FOUND_IMAGE_URL, DEFAULT_SERVER_ERR
 // TODO: 他のタブと永続化されたstateを同期
 
 //#region loader
-const providedMetaEl = document.getElementById('misskey_meta');
+const providedMetaEl = window.document.getElementById('misskey_meta');
 
 let cachedMeta = miLocalStorage.getItem('instance') ? JSON.parse(miLocalStorage.getItem('instance')!) : null;
 let cachedAt = miLocalStorage.getItem('instanceCachedAt') ? parseInt(miLocalStorage.getItem('instanceCachedAt')!) : 0;

packages/frontend/src/lib/nirax.ts

@@ -320,7 +320,7 @@ export class Nirax<DEF extends RouteDef[]> extends EventEmitter<RouterEvents> {
 		}
 		const res = this.navigate(fullPath);
 		if (res.route.path === '/:(*)') {
-			location.href = fullPath;
+			window.location.href = fullPath;
 		} else {
 			this.emit('push', {
 				beforeFullPath,

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/navbar.ts

@@ -167,7 +167,7 @@ export const navbarItemDef = reactive({
 		title: i18n.ts.reload,
 		icon: 'ti ti-refresh',
 		action: (ev) => {
-			location.reload();
+			window.location.reload();
 		},
 	},
 	profile: {

packages/frontend/src/os.ts

@@ -21,10 +21,10 @@ import MkWaitingDialog from '@/components/MkWaitingDialog.vue';
 import MkPageWindow from '@/components/MkPageWindow.vue';
 import MkToast from '@/components/MkToast.vue';
 import MkDialog from '@/components/MkDialog.vue';
-import MkPasswordDialog from '@/components/MkPasswordDialog.vue';
-import MkEmojiPickerDialog from '@/components/MkEmojiPickerDialog.vue';
 import MkPopupMenu from '@/components/MkPopupMenu.vue';
 import MkContextMenu from '@/components/MkContextMenu.vue';
+import type MkRoleSelectDialog_TypeReferenceOnly from '@/components/MkRoleSelectDialog.vue';
+import type MkEmojiPickerDialog_TypeReferenceOnly from '@/components/MkEmojiPickerDialog.vue';
 import { copyToClipboard } from '@/utility/copy-to-clipboard.js';
 import { pleaseLogin } from '@/utility/please-login.js';
 import { showMovedDialog } from '@/utility/show-moved-dialog.js';
@@ -181,7 +181,7 @@ type EmitsExtractor<T> = {
 export function popup<T extends Component>(
 	component: T,
 	props: ComponentProps<T>,
-	events: ComponentEmit<T> = {} as ComponentEmit<T>,
+	events: Partial<ComponentEmit<T>> = {},
 ): { dispose: () => void } {
 	markRaw(component);
 
@@ -460,7 +460,7 @@ export function authenticateDialog(): Promise<{
 	canceled: false; result: { password: string; token: string | null; };
 }> {
 	return new Promise(resolve => {
-		const { dispose } = popup(MkPasswordDialog, {}, {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkPasswordDialog.vue')), {}, {
 			done: result => {
 				resolve(result ? { canceled: false, result } : { canceled: true, result: undefined });
 			},
@@ -617,30 +617,26 @@ export async function selectDriveFolder(multiple: boolean): Promise<Misskey.enti
 	});
 }
 
-export async function selectRole(params: {
-	initialRoleIds?: string[],
-	title?: string,
-	infoMessage?: string,
-	publicOnly?: boolean,
-}): Promise<
+export async function selectRole(params: ComponentProps<typeof MkRoleSelectDialog_TypeReferenceOnly>): Promise<
 	{ canceled: true; result: undefined; } |
 	{ canceled: false; result: Misskey.entities.Role[] }
-	> {
+> {
 	return new Promise((resolve) => {
-		popup(defineAsyncComponent(() => import('@/components/MkRoleSelectDialog.vue')), params, {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkRoleSelectDialog.vue')), params, {
 			done: roles => {
 				resolve({ canceled: false, result: roles });
 			},
 			close: () => {
 				resolve({ canceled: true, result: undefined });
 			},
-		}, 'dispose');
+			closed: () => dispose(),
+		});
 	});
 }
 
-export async function pickEmoji(src: HTMLElement, opts: ComponentProps<typeof MkEmojiPickerDialog>): Promise<string> {
+export async function pickEmoji(src: HTMLElement, opts: ComponentProps<typeof MkEmojiPickerDialog_TypeReferenceOnly>): Promise<string> {
 	return new Promise(resolve => {
-		const { dispose } = popup(MkEmojiPickerDialog, {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkEmojiPickerDialog.vue')), {
 			src,
 			...opts,
 		}, {
@@ -675,7 +671,11 @@ export function popupMenu(items: MenuItem[], src?: HTMLElement | EventTarget | n
 	width?: number;
 	onClosing?: () => void;
 }): Promise<void> {
-	let returnFocusTo = getHTMLElementOrNull(src) ?? getHTMLElementOrNull(document.activeElement);
+	if (!(src instanceof HTMLElement)) {
+		src = null;
+	}
+
+	let returnFocusTo = getHTMLElementOrNull(src) ?? getHTMLElementOrNull(window.document.activeElement);
 	return new Promise(resolve => nextTick(() => {
 		const { dispose } = popup(MkPopupMenu, {
 			items,
@@ -704,7 +704,7 @@ export function contextMenu(items: MenuItem[], ev: MouseEvent): Promise<void> {
 		return Promise.resolve();
 	}
 
-	let returnFocusTo = getHTMLElementOrNull(ev.currentTarget ?? ev.target) ?? getHTMLElementOrNull(document.activeElement);
+	let returnFocusTo = getHTMLElementOrNull(ev.currentTarget ?? ev.target) ?? getHTMLElementOrNull(window.document.activeElement);
 	ev.preventDefault();
 	return new Promise(resolve => nextTick(() => {
 		const { dispose } = popup(MkContextMenu, {

packages/frontend/src/pages/admin/_header_.vue

@@ -120,7 +120,7 @@ function onTabClick(tab: Tab, ev: MouseEvent): void {
 
 const calcBg = () => {
 	const rawBg = pageMetadata.value.bg ?? 'var(--MI_THEME-bg)';
-	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
+	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(window.document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
 	tinyBg.setAlpha(0.85);
 	bg.value = tinyBg.toRgbString();
 };

packages/frontend/src/pages/admin/overview.pie.vue

@@ -41,7 +41,7 @@ onMounted(() => {
 			labels: props.data.map(x => x.name),
 			datasets: [{
 				backgroundColor: props.data.map(x => x.color),
-				borderColor: getComputedStyle(document.documentElement).getPropertyValue('--MI_THEME-panel'),
+				borderColor: getComputedStyle(window.document.documentElement).getPropertyValue('--MI_THEME-panel'),
 				borderWidth: 2,
 				hoverOffset: 0,
 				data: props.data.map(x => x.value),

packages/frontend/src/pages/auth.form.vue

@@ -38,7 +38,7 @@ const emit = defineEmits<{
 const app = computed(() => props.session.app);
 
 const name = computed(() => {
-	const el = document.createElement('div');
+	const el = window.document.createElement('div');
 	el.textContent = app.value.name;
 	return el.innerHTML;
 });

packages/frontend/src/pages/auth.vue

@@ -64,7 +64,7 @@ function accepted() {
 	if (session.value && session.value.app.callbackUrl) {
 		const url = new URL(session.value.app.callbackUrl);
 		if (['javascript:', 'file:', 'data:', 'mailto:', 'tel:', 'vbscript:'].includes(url.protocol)) throw new Error('invalid url');
-		location.href = `${session.value.app.callbackUrl}?token=${session.value.token}`;
+		window.location.href = `${session.value.app.callbackUrl}?token=${session.value.token}`;
 	}
 }
 

packages/frontend/src/pages/drop-and-fusion.game.vue

@@ -632,7 +632,7 @@ function loadMonoTextures() {
 			src = URL.createObjectURL(monoTextures[mono.img]);
 			monoTextureUrls[mono.img] = src;
 		} else {
-			const res = await fetch(mono.img);
+			const res = await window.fetch(mono.img);
 			const blob = await res.blob();
 			monoTextures[mono.img] = blob;
 			src = URL.createObjectURL(blob);
@@ -875,7 +875,7 @@ function loadImage(url: string) {
 
 function getGameImageDriveFile() {
 	return new Promise<Misskey.entities.DriveFile | null>(res => {
-		const dcanvas = document.createElement('canvas');
+		const dcanvas = window.document.createElement('canvas');
 		dcanvas.width = game.GAME_WIDTH;
 		dcanvas.height = game.GAME_HEIGHT;
 		const ctx = dcanvas.getContext('2d');

packages/frontend/src/pages/install-extensions.vue

@@ -4,9 +4,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<MkStickyContainer>
-	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
-	<MkSpacer :contentMax="550">
+<MkPageWithAnimBg>
+	<MkSpacer :contentMax="550" :marginMax="50">
 		<MkLoading v-if="uiPhase === 'fetching'"/>
 		<MkExtensionInstaller v-else-if="uiPhase === 'confirm' && data" :extension="data" @confirm="install()" @cancel="close_()">
 			<template #additionalInfo>
@@ -38,7 +37,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 		</div>
 	</MkSpacer>
-</MkStickyContainer>
+</MkPageWithAnimBg>
 </template>
 
 <script lang="ts" setup>
@@ -58,6 +57,7 @@ import { parseThemeCode, installTheme } from '@/theme.js';
 import { unisonReload } from '@/utility/unison-reload.js';
 import { i18n } from '@/i18n.js';
 import { definePage } from '@/page.js';
+import MkPageWithAnimBg from '@/components/MkPageWithAnimBg.vue';
 
 const uiPhase = ref<'fetching' | 'confirm' | 'error'>('fetching');
 const errorKV = ref<{
@@ -232,10 +232,6 @@ url.value = urlParams.get('url');
 hash.value = urlParams.get('hash');
 fetch();
 
-const headerActions = computed(() => []);
-
-const headerTabs = computed(() => []);
-
 definePage(() => ({
 	title: i18n.ts._externalResourceInstaller.title,
 	icon: 'ti ti-download',

packages/frontend/src/pages/lookup.vue

@@ -31,7 +31,7 @@ import MkButton from '@/components/MkButton.vue';
 const state = ref<'fetching' | 'done'>('fetching');
 
 function fetch() {
-	const params = new URL(location.href).searchParams;
+	const params = new URL(window.location.href).searchParams;
 
 	// acctのほうはdeprecated
 	let uri = params.get('uri') ?? params.get('acct');
@@ -76,12 +76,12 @@ function close(): void {
 
 	// 閉じなければ100ms後タイムラインに
 	window.setTimeout(() => {
-		location.href = '/';
+		window.location.href = '/';
 	}, 100);
 }
 
 function goToMisskey(): void {
-	location.href = '/';
+	window.location.href = '/';
 }
 
 fetch();

packages/frontend/src/pages/miauth.vue

@@ -4,8 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div>
-	<MkAnimBg style="position: fixed; top: 0;"/>
+<MkPageWithAnimBg>
 	<div :class="$style.formContainer">
 		<div :class="$style.form">
 			<MkAuthConfirm
@@ -25,16 +24,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</MkAuthConfirm>
 		</div>
 	</div>
-</div>
+</MkPageWithAnimBg>
 </template>
 
 <script lang="ts" setup>
 import { computed, useTemplateRef } from 'vue';
 import * as Misskey from 'misskey-js';
-
-import MkAnimBg from '@/components/MkAnimBg.vue';
+import MkPageWithAnimBg from '@/components/MkPageWithAnimBg.vue';
 import MkAuthConfirm from '@/components/MkAuthConfirm.vue';
-
 import { i18n } from '@/i18n.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { definePage } from '@/page.js';
@@ -64,7 +61,7 @@ async function onAccept(token: string) {
 			const cbUrl = new URL(props.callback);
 			if (['javascript:', 'file:', 'data:', 'mailto:', 'tel:', 'vbscript:'].includes(cbUrl.protocol)) throw new Error('invalid url');
 			cbUrl.searchParams.set('session', props.session);
-			location.href = cbUrl.toString();
+			window.location.href = cbUrl.toString();
 		} else {
 			authRoot.value?.showUI('success');
 		}

packages/frontend/src/pages/oauth.vue

@@ -4,8 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div>
-	<MkAnimBg style="position: fixed; top: 0;"/>
+<MkPageWithAnimBg>
 	<div :class="$style.formContainer">
 		<div :class="$style.form">
 			<MkAuthConfirm
@@ -19,51 +18,51 @@ SPDX-License-Identifier: AGPL-3.0-only
 			/>
 		</div>
 	</div>
-</div>
+</MkPageWithAnimBg>
 </template>
 
 <script lang="ts" setup>
 import * as Misskey from 'misskey-js';
-import MkAnimBg from '@/components/MkAnimBg.vue';
+import MkPageWithAnimBg from '@/components/MkPageWithAnimBg.vue';
 import { definePage } from '@/page.js';
 import MkAuthConfirm from '@/components/MkAuthConfirm.vue';
 
-const transactionIdMeta = document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:transaction-id"]');
+const transactionIdMeta = window.document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:transaction-id"]');
 if (transactionIdMeta) {
 	transactionIdMeta.remove();
 }
 
-const name = document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:client-name"]')?.content;
-const logo = document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:client-logo"]')?.content;
-const permissions = document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:scope"]')?.content.split(' ').filter((p): p is typeof Misskey.permissions[number] => (Misskey.permissions as readonly string[]).includes(p)) ?? [];
+const name = window.document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:client-name"]')?.content;
+const logo = window.document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:client-logo"]')?.content;
+const permissions = window.document.querySelector<HTMLMetaElement>('meta[name="misskey:oauth:scope"]')?.content.split(' ').filter((p): p is typeof Misskey.permissions[number] => (Misskey.permissions as readonly string[]).includes(p)) ?? [];
 
 function doPost(token: string, decision: 'accept' | 'deny') {
-	const form = document.createElement('form');
+	const form = window.document.createElement('form');
 	form.action = '/oauth/decision';
 	form.method = 'post';
 	form.acceptCharset = 'utf-8';
 
-	const loginToken = document.createElement('input');
+	const loginToken = window.document.createElement('input');
 	loginToken.type = 'hidden';
 	loginToken.name = 'login_token';
 	loginToken.value = token;
 	form.appendChild(loginToken);
 
-	const transactionId = document.createElement('input');
+	const transactionId = window.document.createElement('input');
 	transactionId.type = 'hidden';
 	transactionId.name = 'transaction_id';
 	transactionId.value = transactionIdMeta?.content ?? '';
 	form.appendChild(transactionId);
 
 	if (decision === 'deny') {
-		const cancel = document.createElement('input');
+		const cancel = window.document.createElement('input');
 		cancel.type = 'hidden';
 		cancel.name = 'cancel';
 		cancel.value = 'cancel';
 		form.appendChild(cancel);
 	}
 
-	document.body.appendChild(form);
+	window.document.body.appendChild(form);
 	form.submit();
 }
 

packages/frontend/src/pages/settings/2fa.qrdialog.vue

@@ -160,7 +160,7 @@ async function tokenDone() {
 function downloadBackupCodes() {
 	if (backupCodes.value !== undefined) {
 		const txtBlob = new Blob([backupCodes.value.join('\n')], { type: 'text/plain' });
-		const dummya = document.createElement('a');
+		const dummya = window.document.createElement('a');
 		dummya.href = URL.createObjectURL(txtBlob);
 		dummya.download = `${$i.username}@${hostname}` + (port !== '' ? `_${port}` : '') + '-2fa-backup-codes.txt';
 		dummya.click();

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/pages/share.vue

@@ -182,12 +182,12 @@ function close(): void {
 
 	// 閉じなければ100ms後タイムラインに
 	window.setTimeout(() => {
-		location.href = '/';
+		window.location.href = '/';
 	}, 100);
 }
 
 function goToMisskey(): void {
-	location.href = '/';
+	window.location.href = '/';
 }
 
 function onPosted(): void {

packages/frontend/src/pages/signup-complete.vue

@@ -4,8 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div>
-	<MkAnimBg style="position: fixed; top: 0;"/>
+<MkPageWithAnimBg>
 	<div :class="$style.formContainer">
 		<form :class="$style.form" class="_panel" @submit.prevent="submit()">
 			<div :class="$style.banner">
@@ -21,13 +20,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 		</form>
 	</div>
-</div>
+</MkPageWithAnimBg>
 </template>
 
 <script lang="ts" setup>
 import { ref } from 'vue';
 import MkButton from '@/components/MkButton.vue';
-import MkAnimBg from '@/components/MkAnimBg.vue';
+import MkPageWithAnimBg from '@/components/MkPageWithAnimBg.vue';
 import { i18n } from '@/i18n.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
@@ -64,8 +63,8 @@ function submit() {
 	min-height: 100svh;
 	padding: 32px 32px 64px 32px;
 	box-sizing: border-box;
-display: grid;
-place-content: center;
+	display: grid;
+	place-content: center;
 }
 
 .form {

packages/frontend/src/pages/welcome.setup.vue

@@ -4,8 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div>
-	<MkAnimBg style="position: fixed; top: 0;"/>
+<MkPageWithAnimBg>
 	<div :class="$style.formContainer">
 		<form :class="$style.form" class="_panel" @submit.prevent="submit()">
 			<div :class="$style.title">
@@ -35,7 +34,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 		</form>
 	</div>
-</div>
+</MkPageWithAnimBg>
 </template>
 
 <script lang="ts" setup>
@@ -46,7 +45,7 @@ import MkInput from '@/components/MkInput.vue';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { i18n } from '@/i18n.js';
-import MkAnimBg from '@/components/MkAnimBg.vue';
+import MkPageWithAnimBg from '@/components/MkPageWithAnimBg.vue';
 import { login } from '@/accounts.js';
 
 const username = ref('');

packages/frontend/src/preferences.ts

@@ -125,8 +125,8 @@ function syncBetweenTabs() {
 
 window.setInterval(syncBetweenTabs, 5000);
 
-document.addEventListener('visibilitychange', () => {
-	if (document.visibilityState === 'visible') {
+window.document.addEventListener('visibilitychange', () => {
+	if (window.document.visibilityState === 'visible') {
 		syncBetweenTabs();
 	}
 });
@@ -136,7 +136,7 @@ let latestBackupAt = 0;
 window.setInterval(() => {
 	if ($i == null) return;
 	if (!store.s.enablePreferencesAutoCloudBackup) return;
-	if (document.visibilityState !== 'visible') return; // 同期されていない古い値がバックアップされるのを防ぐ
+	if (window.document.visibilityState !== 'visible') return; // 同期されていない古い値がバックアップされるのを防ぐ
 	if (prefer.profile.modifiedAt <= latestBackupAt) return;
 
 	cloudBackup().then(() => {

packages/frontend/src/preferences/def.ts

@@ -32,6 +32,8 @@ export type SoundStore = {
 // NOTE: デフォルト値は他の設定の状態に依存してはならない(依存していた場合、ユーザーがその設定項目単体で「初期値にリセット」した場合不具合の原因になる)
 
 export const PREF_DEF = {
+	// TODO: 持つのはホストやユーザーID、ユーザー名など最低限にしといて、その他のプロフィール情報はpreferences外で管理した方が綺麗そう
+	// 現状だと、updateCurrentAccount/updateCurrentAccountPartialが呼ばれるたびに「設定」へのcommitが行われて不自然(明らかに設定の更新とは捉えにくい)だし
 	accounts: {
 		default: [] as [host: string, user: Misskey.entities.User][],
 	},

packages/frontend/src/preferences/manager.ts

@@ -139,9 +139,16 @@ export class PreferencesManager {
 	}
 
 	public commit<K extends keyof PREF>(key: K, value: ValueOf<K>) {
-		console.log('prefer:commit', key, value);
+		const v = JSON.parse(JSON.stringify(value)); // deep copy 兼 vueのプロキシ解除
 
-		this.rewriteRawState(key, value);
+		if (deepEqual(this.s[key], v)) {
+			console.log('(skip) prefer:commit', key, v);
+			return;
+		}
+
+		console.log('prefer:commit', key, v);
+
+		this.rewriteRawState(key, v);
 
 		const record = this.getMatchedRecordOf(key);
 
@@ -149,7 +156,7 @@ export class PreferencesManager {
 			this.profile.preferences[key].push([makeScope({
 				server: host,
 				account: $i!.id,
-			}), value, {}]);
+			}), v, {}]);
 			this.save();
 			return;
 		}
@@ -157,12 +164,12 @@ export class PreferencesManager {
 		if (parseScope(record[0]).server == null && this.isServerDependentKey(key)) {
 			this.profile.preferences[key].push([makeScope({
 				server: host,
-			}), value, {}]);
+			}), v, {}]);
 			this.save();
 			return;
 		}
 
-		record[1] = value;
+		record[1] = v;
 		this.save();
 
 		if (record[2].sync) {

packages/frontend/src/preferences/utility.ts

@@ -106,14 +106,14 @@ async function renameProfile() {
 function exportCurrentProfile() {
 	const p = prefer.profile;
 	const txtBlob = new Blob([JSON.stringify(p)], { type: 'text/plain' });
-	const dummya = document.createElement('a');
+	const dummya = window.document.createElement('a');
 	dummya.href = URL.createObjectURL(txtBlob);
 	dummya.download = `${p.name || p.id}.misskeypreferences`;
 	dummya.click();
 }
 
 function importProfile() {
-	const input = document.createElement('input');
+	const input = window.document.createElement('input');
 	input.type = 'file';
 	input.accept = '.misskeypreferences';
 	input.onchange = async () => {

packages/frontend/src/router.ts

@@ -17,10 +17,10 @@ export function createRouter(fullPath: string): Router {
 	return new Nirax(ROUTE_DEF, fullPath, !!$i, page(() => import('@/pages/not-found.vue')));
 }
 
-export const mainRouter = createRouter(location.pathname + location.search + location.hash);
+export const mainRouter = createRouter(window.location.pathname + window.location.search + window.location.hash);
 
 window.addEventListener('popstate', (event) => {
-	mainRouter.replace(location.pathname + location.search + location.hash);
+	mainRouter.replace(window.location.pathname + window.location.search + window.location.hash);
 });
 
 mainRouter.addListener('push', ctx => {

packages/frontend/src/server-context.ts

@@ -5,7 +5,7 @@
 
 import * as Misskey from 'misskey-js';
 
-const providedContextEl = document.getElementById('misskey_clientCtx');
+const providedContextEl = window.document.getElementById('misskey_clientCtx');
 
 export type ServerContext = {
 	clip?: Misskey.entities.Clip;

packages/frontend/src/stream.ts

@@ -29,10 +29,10 @@ export function useStream(): Misskey.IStream {
 	timeoutHeartBeat = window.setTimeout(heartbeat, HEART_BEAT_INTERVAL);
 
 	// send heartbeat right now when last send time is over HEART_BEAT_INTERVAL
-	document.addEventListener('visibilitychange', () => {
+	window.document.addEventListener('visibilitychange', () => {
 		if (
 			!stream
-			|| document.visibilityState !== 'visible'
+			|| window.document.visibilityState !== 'visible'
 			|| Date.now() - lastHeartbeatCall < HEART_BEAT_INTERVAL
 		) return;
 		heartbeat();
@@ -42,7 +42,7 @@ export function useStream(): Misskey.IStream {
 }
 
 function heartbeat(): void {
-	if (stream != null && document.visibilityState === 'visible') {
+	if (stream != null && window.document.visibilityState === 'visible') {
 		stream.heartbeat();
 	}
 	lastHeartbeatCall = Date.now();

packages/frontend/src/theme.ts

@@ -68,10 +68,10 @@ let timeout: number | null = null;
 export function applyTheme(theme: Theme, persist = true) {
 	if (timeout) window.clearTimeout(timeout);
 
-	document.documentElement.classList.add('_themeChanging_');
+	window.document.documentElement.classList.add('_themeChanging_');
 
 	timeout = window.setTimeout(() => {
-		document.documentElement.classList.remove('_themeChanging_');
+		window.document.documentElement.classList.remove('_themeChanging_');
 
 		// 色計算など再度行えるようにクライアント全体に通知
 		globalEvents.emit('themeChanged');
@@ -79,7 +79,7 @@ export function applyTheme(theme: Theme, persist = true) {
 
 	const colorScheme = theme.base === 'dark' ? 'dark' : 'light';
 
-	document.documentElement.dataset.colorScheme = colorScheme;
+	window.document.documentElement.dataset.colorScheme = colorScheme;
 
 	// Deep copy
 	const _theme = deepClone(theme);
@@ -91,7 +91,7 @@ export function applyTheme(theme: Theme, persist = true) {
 
 	const props = compile(_theme);
 
-	for (const tag of document.head.children) {
+	for (const tag of window.document.head.children) {
 		if (tag.tagName === 'META' && tag.getAttribute('name') === 'theme-color') {
 			tag.setAttribute('content', props['htmlThemeColor']);
 			break;
@@ -99,10 +99,10 @@ export function applyTheme(theme: Theme, persist = true) {
 	}
 
 	for (const [k, v] of Object.entries(props)) {
-		document.documentElement.style.setProperty(`--MI_THEME-${k}`, v.toString());
+		window.document.documentElement.style.setProperty(`--MI_THEME-${k}`, v.toString());
 	}
 
-	document.documentElement.style.setProperty('color-scheme', colorScheme);
+	window.document.documentElement.style.setProperty('color-scheme', colorScheme);
 
 	if (persist) {
 		miLocalStorage.setItem('theme', JSON.stringify(props));

packages/frontend/src/ui/_common_/common.vue

@@ -67,7 +67,7 @@ const dev = _DEV_;
 const notifications = ref<Misskey.entities.Notification[]>([]);
 
 function onNotification(notification: Misskey.entities.Notification, isClient = false) {
-	if (document.visibilityState === 'visible') {
+	if (window.document.visibilityState === 'visible') {
 		if (!isClient && notification.type !== 'test') {
 			// サーバーサイドのテスト通知の際は自動で既読をつけない（テストできないので）
 			useStream().send('readNotification');

packages/frontend/src/ui/_common_/navbar.vue

@@ -129,8 +129,8 @@ watch(store.r.menuDisplay, () => {
 });
 
 function toggleIconOnly() {
-	if (document.startViewTransition && prefer.s.animation) {
-		document.startViewTransition(() => {
+	if (window.document.startViewTransition && prefer.s.animation) {
+		window.document.startViewTransition(() => {
 			store.set('menuDisplay', iconOnly.value ? 'sideFull' : 'sideIcon');
 		});
 	} else {

packages/frontend/src/ui/_common_/stream-indicator.vue

@@ -34,7 +34,7 @@ function resetDisconnected() {
 }
 
 function reload() {
-	location.reload();
+	window.location.reload();
 }
 
 useStream().on('_disconnected_', onDisconnected);

packages/frontend/src/ui/classic.vue

@@ -87,9 +87,9 @@ provideMetadataReceiver((metadataGetter) => {
 	pageMetadata.value = info;
 	if (pageMetadata.value) {
 		if (isRoot.value && pageMetadata.value.title === instanceName) {
-			document.title = pageMetadata.value.title;
+			window.document.title = pageMetadata.value.title;
 		} else {
-			document.title = `${pageMetadata.value.title} | ${instanceName}`;
+			window.document.title = `${pageMetadata.value.title} | ${instanceName}`;
 		}
 	}
 });
@@ -139,10 +139,10 @@ if (window.innerWidth < 1024) {
 	const currentUI = miLocalStorage.getItem('ui');
 	miLocalStorage.setItem('ui_temp', currentUI ?? 'default');
 	miLocalStorage.setItem('ui', 'default');
-	location.reload();
+	window.location.reload();
 }
 
-document.documentElement.style.overflowY = 'scroll';
+window.document.documentElement.style.overflowY = 'scroll';
 
 onMounted(() => {
 	window.addEventListener('resize', () => {

packages/frontend/src/ui/deck.vue

@@ -202,8 +202,8 @@ function onWheel(ev: WheelEvent) {
 	}
 }
 
-document.documentElement.style.overflowY = 'hidden';
-document.documentElement.style.scrollBehavior = 'auto';
+window.document.documentElement.style.overflowY = 'hidden';
+window.document.documentElement.style.scrollBehavior = 'auto';
 
 async function deleteProfile() {
 	if (prefer.s['deck.profile'] == null) return;

packages/frontend/src/ui/minimum.vue

@@ -30,9 +30,9 @@ provideMetadataReceiver((metadataGetter) => {
 	pageMetadata.value = info;
 	if (pageMetadata.value) {
 		if (isRoot.value && pageMetadata.value.title === instanceName) {
-			document.title = pageMetadata.value.title;
+			window.document.title = pageMetadata.value.title;
 		} else {
-			document.title = `${pageMetadata.value.title} | ${instanceName}`;
+			window.document.title = `${pageMetadata.value.title} | ${instanceName}`;
 		}
 	}
 });

packages/frontend/src/ui/universal.vue

@@ -143,9 +143,9 @@ provideMetadataReceiver((metadataGetter) => {
 	pageMetadata.value = info;
 	if (pageMetadata.value) {
 		if (isRoot.value && pageMetadata.value.title === instanceName) {
-			document.title = pageMetadata.value.title;
+			window.document.title = pageMetadata.value.title;
 		} else {
-			document.title = `${pageMetadata.value.title} | ${instanceName}`;
+			window.document.title = `${pageMetadata.value.title} | ${instanceName}`;
 		}
 	}
 });
@@ -170,7 +170,7 @@ if (window.innerWidth > 1024) {
 	if (tempUI) {
 		miLocalStorage.setItem('ui', tempUI);
 		miLocalStorage.removeItem('ui_temp');
-		location.reload();
+		window.location.reload();
 	}
 }
 
@@ -205,12 +205,12 @@ provide<Ref<number>>(CURRENT_STICKY_BOTTOM, navFooterHeight);
 watch(navFooter, () => {
 	if (navFooter.value) {
 		navFooterHeight.value = navFooter.value.offsetHeight;
-		document.body.style.setProperty('--MI-stickyBottom', `${navFooterHeight.value}px`);
-		document.body.style.setProperty('--MI-minBottomSpacing', 'var(--MI-minBottomSpacingMobile)');
+		window.document.body.style.setProperty('--MI-stickyBottom', `${navFooterHeight.value}px`);
+		window.document.body.style.setProperty('--MI-minBottomSpacing', 'var(--MI-minBottomSpacingMobile)');
 	} else {
 		navFooterHeight.value = 0;
-		document.body.style.setProperty('--MI-stickyBottom', '0px');
-		document.body.style.setProperty('--MI-minBottomSpacing', '0px');
+		window.document.body.style.setProperty('--MI-stickyBottom', '0px');
+		window.document.body.style.setProperty('--MI-minBottomSpacing', '0px');
 	}
 }, {
 	immediate: true,

packages/frontend/src/ui/visitor.vue

@@ -51,9 +51,9 @@ provideMetadataReceiver((metadataGetter) => {
 	pageMetadata.value = info;
 	if (pageMetadata.value) {
 		if (isRoot.value && pageMetadata.value.title === instanceName) {
-			document.title = pageMetadata.value.title;
+			window.document.title = pageMetadata.value.title;
 		} else {
-			document.title = `${pageMetadata.value.title} | ${instanceName}`;
+			window.document.title = `${pageMetadata.value.title} | ${instanceName}`;
 		}
 	}
 });

packages/frontend/src/ui/zen.vue

@@ -37,7 +37,7 @@ const isRoot = computed(() => mainRouter.currentRoute.value.name === 'index');
 
 const pageMetadata = ref<null | PageMetadata>(null);
 
-const showBottom = !(new URLSearchParams(location.search)).has('zen') && ui === 'deck';
+const showBottom = !(new URLSearchParams(window.location.search)).has('zen') && ui === 'deck';
 
 provide(DI.router, mainRouter);
 provideMetadataReceiver((metadataGetter) => {
@@ -45,9 +45,9 @@ provideMetadataReceiver((metadataGetter) => {
 	pageMetadata.value = info;
 	if (pageMetadata.value) {
 		if (isRoot.value && pageMetadata.value.title === instanceName) {
-			document.title = pageMetadata.value.title;
+			window.document.title = pageMetadata.value.title;
 		} else {
-			document.title = `${pageMetadata.value.title} | ${instanceName}`;
+			window.document.title = `${pageMetadata.value.title} | ${instanceName}`;
 		}
 	}
 });

packages/frontend/src/use/use-note-capture.ts

@@ -86,7 +86,7 @@ export function useNoteCapture(props: {
 	function capture(withHandler = false): void {
 		if (connection) {
 			// TODO: このノートがストリーミング経由で流れてきた場合のみ sr する
-			connection.send(document.body.contains(props.rootEl.value ?? null as Node | null) ? 'sr' : 's', { id: note.value.id });
+			connection.send(window.document.body.contains(props.rootEl.value ?? null as Node | null) ? 'sr' : 's', { id: note.value.id });
 			if (pureNote.value.id !== note.value.id) connection.send('s', { id: pureNote.value.id });
 			if (withHandler) connection.on('noteUpdated', onStreamNoteUpdated);
 		}

packages/frontend/src/use/use-tooltip.ts

@@ -29,7 +29,7 @@ export function useTooltip(
 		if (!isHovering) return;
 		if (elRef.value == null) return;
 		const el = elRef.value instanceof Element ? elRef.value : elRef.value.$el;
-		if (!document.body.contains(el)) return; // openしようとしたときに既に元要素がDOMから消えている場合があるため
+		if (!window.document.body.contains(el)) return; // openしようとしたときに既に元要素がDOMから消えている場合があるため
 
 		const showing = ref(true);
 		onShow(showing);
@@ -38,7 +38,7 @@ export function useTooltip(
 		};
 
 		autoHidingTimer = window.setInterval(() => {
-			if (elRef.value == null || !document.body.contains(elRef.value instanceof Element ? elRef.value : elRef.value.$el)) {
+			if (elRef.value == null || !window.document.body.contains(elRef.value instanceof Element ? elRef.value : elRef.value.$el)) {
 				if (!isHovering) return;
 				isHovering = false;
 				window.clearTimeout(timeoutId);

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/src/utility/focus-trap.ts

@@ -50,7 +50,7 @@ function releaseFocusTrap(el: HTMLElement): void {
 
 	const highestZIndexElement = getHighestZIndexElement();
 
-	if (el.parentElement != null && el !== document.body) {
+	if (el.parentElement != null && el !== window.document.body) {
 		el.parentElement.childNodes.forEach((siblingNode) => {
 			const siblingEl = getHTMLElementOrNull(siblingNode);
 			if (!siblingEl) return;
@@ -104,7 +104,7 @@ export function focusTrap(el: HTMLElement, hasInteractionWithOtherFocusTrappedEl
 		el.inert = false;
 	}
 
-	if (el.parentElement != null && el !== document.body) {
+	if (el.parentElement != null && el !== window.document.body) {
 		el.parentElement.childNodes.forEach((siblingNode) => {
 			const siblingEl = getHTMLElementOrNull(siblingNode);
 			if (!siblingEl) return;

packages/frontend/src/utility/focus.ts

@@ -58,7 +58,7 @@ export const focusParent = (input: MaybeHTMLElement | null | undefined, self = f
 
 const focusOrScroll = (element: HTMLElement, scroll: boolean) => {
 	if (scroll) {
-		const scrollContainer = getScrollContainer(element) ?? document.documentElement;
+		const scrollContainer = getScrollContainer(element) ?? window.document.documentElement;
 		const scrollContainerTop = getScrollPosition(scrollContainer);
 		const stickyTop = getStickyTop(element, scrollContainer);
 		const stickyBottom = getStickyBottom(element, scrollContainer);
@@ -74,7 +74,7 @@ const focusOrScroll = (element: HTMLElement, scroll: boolean) => {
 		scrollContainer.scrollTo({ top: scrollTo, behavior: 'instant' });
 	}
 
-	if (document.activeElement !== element) {
+	if (window.document.activeElement !== element) {
 		element.focus({ preventScroll: true });
 	}
 };

packages/frontend/src/utility/fullscreen.ts

@@ -35,8 +35,8 @@ export const requestFullscreen = ({ videoEl, playerEl, options }: RequestFullscr
 
 export const exitFullscreen = ({ videoEl }: ExitFullscreenProps) => {
 	// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-	if (document.exitFullscreen != null) {
-		document.exitFullscreen();
+	if (window.document.exitFullscreen != null) {
+		window.document.exitFullscreen();
 		return;
 	}
 	if (videoEl.webkitExitFullscreen != null) {

packages/frontend/src/utility/hotkey.ts

@@ -54,9 +54,9 @@ export const makeHotkey = (keymap: Keymap) => {
 	const actions = parseKeymap(keymap);
 	return (ev: KeyboardEvent) => {
 		if ('pswp' in window && window.pswp != null) return;
-		if (document.activeElement != null) {
-			if (IGNORE_ELEMENTS.includes(document.activeElement.tagName.toLowerCase())) return;
-			if (getHTMLElementOrNull(document.activeElement)?.isContentEditable) return;
+		if (window.document.activeElement != null) {
+			if (IGNORE_ELEMENTS.includes(window.document.activeElement.tagName.toLowerCase())) return;
+			if (getHTMLElementOrNull(window.document.activeElement)?.isContentEditable) return;
 		}
 		for (const action of actions) {
 			if (matchPatterns(ev, action)) {