refactor(frontend): boot分割したり副作用減らしたりとか

#10838

packages/backend/src/config.ts

@@ -144,7 +144,7 @@ export function loadConfig() {
 	const clientManifestExists = fs.existsSync(_dirname + '/../../../built/_vite_/manifest.json');
 	const clientManifest = clientManifestExists ?
 		JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_vite_/manifest.json`, 'utf-8'))
-		: { 'src/init.ts': { file: 'src/init.ts' } };
+		: { 'src/_boot_.ts': { file: 'src/_boot_.ts' } };
 	const config = yaml.load(fs.readFileSync(path, 'utf-8')) as Source;
 
 	const mixin = {} as Mixin;
@@ -165,7 +165,7 @@ export function loadConfig() {
 	mixin.authUrl = `${mixin.scheme}://${mixin.host}/auth`;
 	mixin.driveUrl = `${mixin.scheme}://${mixin.host}/files`;
 	mixin.userAgent = `Misskey/${meta.version} (${config.url})`;
-	mixin.clientEntry = clientManifest['src/init.ts'];
+	mixin.clientEntry = clientManifest['src/_boot_.ts'];
 	mixin.clientManifestExists = clientManifestExists;
 
 	const externalMediaProxy = config.mediaProxy ?

packages/frontend/src/_boot_.ts

@@ -0,0 +1,12 @@
+// https://vitejs.dev/config/build-options.html#build-modulepreload
+import 'vite/modulepreload-polyfill';
+
+import '@/style.scss';
+import { mainBoot } from './boot/main-boot';
+import { subBoot } from './boot/sub-boot';
+
+if (['/share', '/auth', '/miauth'].includes(location.pathname)) {
+	subBoot();
+} else {
+	mainBoot();
+}

packages/frontend/src/boot/common.ts

@@ -0,0 +1,263 @@
+import { computed, createApp, watch, markRaw, version as vueVersion, defineAsyncComponent, App } from 'vue';
+import { compareVersions } from 'compare-versions';
+import JSON5 from 'json5';
+import widgets from '@/widgets';
+import directives from '@/directives';
+import components from '@/components';
+import { version, ui, lang, updateLocale } from '@/config';
+import { applyTheme } from '@/scripts/theme';
+import { isDeviceDarkmode } from '@/scripts/is-device-darkmode';
+import { i18n, updateI18n } from '@/i18n';
+import { confirm, alert, post, popup, toast } from '@/os';
+import { $i, refreshAccount, login, updateAccount, signout } from '@/account';
+import { defaultStore, ColdDeviceStorage } from '@/store';
+import { fetchInstance, instance } from '@/instance';
+import { deviceKind } from '@/scripts/device-kind';
+import { reloadChannel } from '@/scripts/unison-reload';
+import { reactionPicker } from '@/scripts/reaction-picker';
+import { getUrlWithoutLoginId } from '@/scripts/login-id';
+import { getAccountFromId } from '@/scripts/get-account-from-id';
+import { deckStore } from '@/ui/deck/deck-store';
+import { miLocalStorage } from '@/local-storage';
+import { fetchCustomEmojis } from '@/custom-emojis';
+import { mainRouter } from '@/router';
+
+export async function common(createVue: () => App<Element>) {
+	console.info(`Misskey v${version}`);
+
+	if (_DEV_) {
+		console.warn('Development mode!!!');
+
+		console.info(`vue ${vueVersion}`);
+
+		// eslint-disable-next-line @typescript-eslint/no-explicit-any
+		(window as any).$i = $i;
+		// eslint-disable-next-line @typescript-eslint/no-explicit-any
+		(window as any).$store = defaultStore;
+
+		window.addEventListener('error', event => {
+			console.error(event);
+			/*
+			alert({
+				type: 'error',
+				title: 'DEV: Unhandled error',
+				text: event.message
+			});
+			*/
+		});
+
+		window.addEventListener('unhandledrejection', event => {
+			console.error(event);
+			/*
+			alert({
+				type: 'error',
+				title: 'DEV: Unhandled promise rejection',
+				text: event.reason
+			});
+			*/
+		});
+	}
+
+	const splash = document.getElementById('splash');
+	// 念のためnullチェック(HTMLが古い場合があるため(そのうち消す))
+	if (splash) splash.addEventListener('transitionend', () => {
+		splash.remove();
+	});
+
+	let isClientUpdated = false;
+
+	//#region クライアントが更新されたかチェック
+	const lastVersion = miLocalStorage.getItem('lastVersion');
+	if (lastVersion !== version) {
+		miLocalStorage.setItem('lastVersion', version);
+
+		// テーマリビルドするため
+		miLocalStorage.removeItem('theme');
+
+		try { // 変なバージョン文字列来るとcompareVersionsでエラーになるため
+			if (lastVersion != null && compareVersions(version, lastVersion) === 1) {
+				isClientUpdated = true;
+			}
+		} catch (err) { /* empty */ }
+	}
+	//#endregion
+
+	//#region Detect language & fetch translations
+	const localeVersion = miLocalStorage.getItem('localeVersion');
+	const localeOutdated = (localeVersion == null || localeVersion !== version);
+	if (localeOutdated) {
+		const res = await window.fetch(`/assets/locales/${lang}.${version}.json`);
+		if (res.status === 200) {
+			const newLocale = await res.text();
+			const parsedNewLocale = JSON.parse(newLocale);
+			miLocalStorage.setItem('locale', newLocale);
+			miLocalStorage.setItem('localeVersion', version);
+			updateLocale(parsedNewLocale);
+			updateI18n(parsedNewLocale);
+		}
+	}
+	//#endregion
+
+	// タッチデバイスでCSSの:hoverを機能させる
+	document.addEventListener('touchend', () => {}, { passive: true });
+
+	// 一斉リロード
+	reloadChannel.addEventListener('message', path => {
+		if (path !== null) location.href = path;
+		else location.reload();
+	});
+
+	// If mobile, insert the viewport meta tag
+	if (['smartphone', 'tablet'].includes(deviceKind)) {
+		const viewport = document.getElementsByName('viewport').item(0);
+		viewport.setAttribute('content',
+			`${viewport.getAttribute('content')}, minimum-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover`);
+	}
+
+	//#region Set lang attr
+	const html = document.documentElement;
+	html.setAttribute('lang', lang);
+	//#endregion
+
+	await defaultStore.ready;
+	await deckStore.ready;
+
+	const fetchInstanceMetaPromise = fetchInstance();
+
+	fetchInstanceMetaPromise.then(() => {
+		miLocalStorage.setItem('v', instance.version);
+	});
+
+	//#region loginId
+	const params = new URLSearchParams(location.search);
+	const loginId = params.get('loginId');
+
+	if (loginId) {
+		const target = getUrlWithoutLoginId(location.href);
+
+		if (!$i || $i.id !== loginId) {
+			const account = await getAccountFromId(loginId);
+			if (account) {
+				await login(account.token, target);
+			}
+		}
+
+		history.replaceState({ misskey: 'loginId' }, '', target);
+	}
+	//#endregion
+
+	// NOTE: この処理は必ずクライアント更新チェック処理より後に来ること(テーマ再構築のため)
+	watch(defaultStore.reactiveState.darkMode, (darkMode) => {
+		applyTheme(darkMode ? ColdDeviceStorage.get('darkTheme') : ColdDeviceStorage.get('lightTheme'));
+	}, { immediate: miLocalStorage.getItem('theme') == null });
+
+	const darkTheme = computed(ColdDeviceStorage.makeGetterSetter('darkTheme'));
+	const lightTheme = computed(ColdDeviceStorage.makeGetterSetter('lightTheme'));
+
+	watch(darkTheme, (theme) => {
+		if (defaultStore.state.darkMode) {
+			applyTheme(theme);
+		}
+	});
+
+	watch(lightTheme, (theme) => {
+		if (!defaultStore.state.darkMode) {
+			applyTheme(theme);
+		}
+	});
+
+	//#region Sync dark mode
+	if (ColdDeviceStorage.get('syncDeviceDarkMode')) {
+		defaultStore.set('darkMode', isDeviceDarkmode());
+	}
+
+	window.matchMedia('(prefers-color-scheme: dark)').addListener(mql => {
+		if (ColdDeviceStorage.get('syncDeviceDarkMode')) {
+			defaultStore.set('darkMode', mql.matches);
+		}
+	});
+	//#endregion
+
+	fetchInstanceMetaPromise.then(() => {
+		if (defaultStore.state.themeInitial) {
+			if (instance.defaultLightTheme != null) ColdDeviceStorage.set('lightTheme', JSON5.parse(instance.defaultLightTheme));
+			if (instance.defaultDarkTheme != null) ColdDeviceStorage.set('darkTheme', JSON5.parse(instance.defaultDarkTheme));
+			defaultStore.set('themeInitial', false);
+		}
+	});
+
+	watch(defaultStore.reactiveState.useBlurEffectForModal, v => {
+		document.documentElement.style.setProperty('--modalBgFilter', v ? 'blur(4px)' : 'none');
+	}, { immediate: true });
+
+	watch(defaultStore.reactiveState.useBlurEffect, v => {
+		if (v) {
+			document.documentElement.style.removeProperty('--blur');
+		} else {
+			document.documentElement.style.setProperty('--blur', 'none');
+		}
+	}, { immediate: true });
+
+	//#region Fetch user
+	if ($i && $i.token) {
+		if (_DEV_) {
+			console.log('account cache found. refreshing...');
+		}
+
+		refreshAccount();
+	}
+	//#endregion
+
+	try {
+		await fetchCustomEmojis();
+	} catch (err) { /* empty */ }
+
+	const app = createVue();
+
+	if (_DEV_) {
+		app.config.performance = true;
+	}
+
+	widgets(app);
+	directives(app);
+	components(app);
+
+	// https://github.com/misskey-dev/misskey/pull/8575#issuecomment-1114239210
+	// なぜか2回実行されることがあるため、mountするdivを1つに制限する
+	const rootEl = ((): HTMLElement => {
+		const MISSKEY_MOUNT_DIV_ID = 'misskey_app';
+
+		const currentRoot = document.getElementById(MISSKEY_MOUNT_DIV_ID);
+
+		if (currentRoot) {
+			console.warn('multiple import detected');
+			return currentRoot;
+		}
+
+		const root = document.createElement('div');
+		root.id = MISSKEY_MOUNT_DIV_ID;
+		document.body.appendChild(root);
+		return root;
+	})();
+
+	app.mount(rootEl);
+
+	// boot.jsのやつを解除
+	window.onerror = null;
+	window.onunhandledrejection = null;
+
+	removeSplash();
+
+	return {
+		isClientUpdated,
+		app,
+	};
+}
+
+function removeSplash() {
+	const splash = document.getElementById('splash');
+	if (splash) {
+		splash.style.opacity = '0';
+		splash.style.pointerEvents = 'none';
+	}
+}