fix: add `es2017` build target (#8931)

* remove top level awaits

* add es2017 target

* refactor: use setup and ref sugar

5 files changed, 354 insertions, 352 deletions

diff --git a/packages/client/src/components/ui/modal.vue b/packages/client/src/components/ui/modal.vue
index 385f6cdb2b..6de4a05471 100644
--- a/packages/client/src/components/ui/modal.vue
+++ b/packages/client/src/components/ui/modal.vue
@@ -10,7 +10,7 @@
 </template>
 
 <script lang="ts" setup>
-import { nextTick, onMounted, computed, ref, watch, provide } from 'vue';
+import { nextTick, onMounted, watch, provide } from 'vue';
 import * as os from '@/os';
 import { isTouchUsing } from '@/scripts/touch';
 import { defaultStore } from '@/store';
@@ -57,13 +57,13 @@ const emit = defineEmits<{
 
 provide('modal', true);
 
-const maxHeight = ref<number>();
-const fixed = ref(false);
-const transformOrigin = ref('center');
-const showing = ref(true);
-const content = ref<HTMLElement>();
+let maxHeight = $ref<number>();
+let fixed = $ref(false);
+let transformOrigin = $ref('center');
+let showing = $ref(true);
+let content = $ref<HTMLElement>();
 const zIndex = os.claimZIndex(props.zPriority);
-const type = computed(() => {
+const type = $computed(() => {
 	if (props.preferType === 'auto') {
 		if (!defaultStore.state.disableDrawer && isTouchUsing && deviceKind === 'smartphone') {
 			return 'drawer';
@@ -80,7 +80,7 @@ let contentClicking = false;
 const close = () => {
 	// eslint-disable-next-line vue/no-mutating-props
 	if (props.src) props.src.style.pointerEvents = 'auto';
-	showing.value = false;
+	showing = false;
 	emit('close');
 };
 
@@ -89,8 +89,8 @@ const onBgClick = () => {
 	emit('click');
 };
 
-if (type.value === 'drawer') {
-	maxHeight.value = window.innerHeight / 1.5;
+if (type === 'drawer') {
+	maxHeight = window.innerHeight / 1.5;
 }
 
 const keymap = {
@@ -101,22 +101,21 @@ const MARGIN = 16;
 
 const align = () => {
 	if (props.src == null) return;
-	if (type.value === 'drawer') return;
-	if (type.value === 'dialog') return;
+	if (type === 'drawer') return;
+	if (type == 'dialog') return;
 
-	const popover = content.value!;
-	if (popover == null) return;
+	if (content == null) return;
 
 	const srcRect = props.src.getBoundingClientRect();
-	
-	const width = popover.offsetWidth;
-	const height = popover.offsetHeight;
+
+	const width = content!.offsetWidth;
+	const height = content!.offsetHeight;
 
 	let left;
 	let top;
 
-	const x = srcRect.left + (fixed.value ? 0 : window.pageXOffset);
-	const y = srcRect.top + (fixed.value ? 0 : window.pageYOffset);
+	const x = srcRect.left + (fixed ? 0 : window.pageXOffset);
+	const y = srcRect.top + (fixed ? 0 : window.pageYOffset);
 
 	if (props.anchor.x === 'center') {
 		left = x + (props.src.offsetWidth / 2) - (width / 2);
@@ -134,7 +133,7 @@ const align = () => {
 		top = y + props.src.offsetHeight;
 	}
 
-	if (fixed.value) {
+	if (fixed) {
 		// 画面から横にはみ出る場合
 		if (left + width > window.innerWidth) {
 			left = window.innerWidth - width;
@@ -147,16 +146,16 @@ const align = () => {
 		if (top + height > (window.innerHeight - MARGIN)) {
 			if (props.noOverlap && props.anchor.x === 'center') {
 				if (underSpace >= (upperSpace / 3)) {
-					maxHeight.value = underSpace;
+					maxHeight = underSpace;
 				} else {
-					maxHeight.value = upperSpace;
+					maxHeight = upperSpace;
 					top = (upperSpace + MARGIN) - height;
 				}
 			} else {
 				top = (window.innerHeight - MARGIN) - height;
 			}
 		} else {
-			maxHeight.value = underSpace;
+			maxHeight = underSpace;
 		}
 	} else {
 		// 画面から横にはみ出る場合
@@ -171,16 +170,16 @@ const align = () => {
 		if (top + height - window.pageYOffset > (window.innerHeight - MARGIN)) {
 			if (props.noOverlap && props.anchor.x === 'center') {
 				if (underSpace >= (upperSpace / 3)) {
-					maxHeight.value = underSpace;
+					maxHeight = underSpace;
 				} else {
-					maxHeight.value = upperSpace;
+					maxHeight = upperSpace;
 					top = window.pageYOffset + ((upperSpace + MARGIN) - height);
 				}
 			} else {
 				top = (window.innerHeight - MARGIN) - height + window.pageYOffset - 1;
 			}
 		} else {
-			maxHeight.value = underSpace;
+			maxHeight = underSpace;
 		}
 	}
 
@@ -195,29 +194,29 @@ const align = () => {
 	let transformOriginX = 'center';
 	let transformOriginY = 'center';
 
-	if (top >= srcRect.top + props.src.offsetHeight + (fixed.value ? 0 : window.pageYOffset)) {
+	if (top >= srcRect.top + props.src.offsetHeight + (fixed ? 0 : window.pageYOffset)) {
 		transformOriginY = 'top';
-	} else if ((top + height) <= srcRect.top + (fixed.value ? 0 : window.pageYOffset)) {
+	} else if ((top + height) <= srcRect.top + (fixed ? 0 : window.pageYOffset)) {
 		transformOriginY = 'bottom';
 	}
 
-	if (left >= srcRect.left + props.src.offsetWidth + (fixed.value ? 0 : window.pageXOffset)) {
+	if (left >= srcRect.left + props.src.offsetWidth + (fixed ? 0 : window.pageXOffset)) {
 		transformOriginX = 'left';
-	} else if ((left + width) <= srcRect.left + (fixed.value ? 0 : window.pageXOffset)) {
+	} else if ((left + width) <= srcRect.left + (fixed ? 0 : window.pageXOffset)) {
 		transformOriginX = 'right';
 	}
 
-	transformOrigin.value = `${transformOriginX} ${transformOriginY}`;
+	transformOrigin = `${transformOriginX} ${transformOriginY}`;
 
-	popover.style.left = left + 'px';
-	popover.style.top = top + 'px';
+	content.style.left = left + 'px';
+	content.style.top = top + 'px';
 };
 
 const onOpened = () => {
 	emit('opened');
 
 	// モーダルコンテンツにマウスボタンが押され、コンテンツ外でマウスボタンが離されたときにモーダルバックグラウンドクリックと判定させないためにマウスイベントを監視しフラグ管理する
-	const el = content.value!.children[0];
+	const el = content!.children[0];
 	el.addEventListener('mousedown', ev => {
 		contentClicking = true;
 		window.addEventListener('mouseup', ev => {
@@ -235,7 +234,7 @@ onMounted(() => {
 			// eslint-disable-next-line vue/no-mutating-props
 			props.src.style.pointerEvents = 'none';
 		}
-		fixed.value = (type.value === 'drawer') || (getFixedContainer(props.src) != null);
+		fixed = (type === 'drawer') || (getFixedContainer(props.src) != null);
 
 		await nextTick();
 		
@@ -243,10 +242,9 @@ onMounted(() => {
 	}, { immediate: true });
 
 	nextTick(() => {
-		const popover = content.value;
 		new ResizeObserver((entries, observer) => {
 			align();
-		}).observe(popover!);
+		}).observe(content!);
 	});
 });
 
diff --git a/packages/client/src/init.ts b/packages/client/src/init.ts
index 98f69c701f..94e7f9f6b3 100644
--- a/packages/client/src/init.ts
+++ b/packages/client/src/init.ts
@@ -39,401 +39,403 @@ import { reactionPicker } from '@/scripts/reaction-picker';
 import { getUrlWithoutLoginId } from '@/scripts/login-id';
 import { getAccountFromId } from '@/scripts/get-account-from-id';
 
-console.info(`Misskey v${version}`);
+(async () => {
+	console.info(`Misskey v${version}`);
 
-if (_DEV_) {
-	console.warn('Development mode!!!');
+	if (_DEV_) {
+		console.warn('Development mode!!!');
 
-	console.info(`vue ${vueVersion}`);
+		console.info(`vue ${vueVersion}`);
 
-	(window as any).$i = $i;
-	(window as any).$store = defaultStore;
+		(window as any).$i = $i;
+		(window as any).$store = defaultStore;
 
-	window.addEventListener('error', event => {
-		console.error(event);
-		/*
-		alert({
-			type: 'error',
-			title: 'DEV: Unhandled error',
-			text: event.message
+		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
+		window.addEventListener('unhandledrejection', event => {
+			console.error(event);
+			/*
+			alert({
+				type: 'error',
+				title: 'DEV: Unhandled promise rejection',
+				text: event.reason
+			});
+			*/
 		});
-		*/
-	});
-}
+	}
 
-// タッチデバイスでCSSの:hoverを機能させる
-document.addEventListener('touchend', () => {}, { passive: true });
+	// 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();
-});
+	// 一斉リロード
+	reloadChannel.addEventListener('message', path => {
+		if (path !== null) location.href = path;
+		else location.reload();
+	});
 
-//#region SEE: https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
-// TODO: いつの日にか消したい
-const vh = window.innerHeight * 0.01;
-document.documentElement.style.setProperty('--vh', `${vh}px`);
-window.addEventListener('resize', () => {
+	//#region SEE: https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
+	// TODO: いつの日にか消したい
 	const vh = window.innerHeight * 0.01;
 	document.documentElement.style.setProperty('--vh', `${vh}px`);
-});
-//#endregion
+	window.addEventListener('resize', () => {
+		const vh = window.innerHeight * 0.01;
+		document.documentElement.style.setProperty('--vh', `${vh}px`);
+	});
+	//#endregion
 
-// If mobile, insert the viewport meta tag
-if (['smartphone', 'tablet'].includes(deviceKind)) {
-	const viewport = document.getElementsByName('viewport').item(0);
-	viewport.setAttribute('content',
-		`${viewport.getAttribute('content')}, minimum-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover`);
-}
+	// If mobile, insert the viewport meta tag
+	if (['smartphone', 'tablet'].includes(deviceKind)) {
+		const viewport = document.getElementsByName('viewport').item(0);
+		viewport.setAttribute('content',
+			`${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
+	//#region Set lang attr
+	const html = document.documentElement;
+	html.setAttribute('lang', lang);
+	//#endregion
 
-//#region loginId
-const params = new URLSearchParams(location.search);
-const loginId = params.get('loginId');
+	//#region loginId
+	const params = new URLSearchParams(location.search);
+	const loginId = params.get('loginId');
 
-if (loginId) {
-	const target = getUrlWithoutLoginId(location.href);
+	if (loginId) {
+		const target = getUrlWithoutLoginId(location.href);
 
-	if (!$i || $i.id !== loginId) {
-		const account = await getAccountFromId(loginId);
-		if (account) {
-			await login(account.token, target);
+		if (!$i || $i.id !== loginId) {
+			const account = await getAccountFromId(loginId);
+			if (account) {
+				await login(account.token, target);
+			}
 		}
-	}
-
-	history.replaceState({ misskey: 'loginId' }, '', target);
-}
-
-//#endregion
 
-//#region Fetch user
-if ($i && $i.token) {
-	if (_DEV_) {
-		console.log('account cache found. refreshing...');
-	}
-
-	refreshAccount();
-} else {
-	if (_DEV_) {
-		console.log('no account cache found.');
+		history.replaceState({ misskey: 'loginId' }, '', target);
 	}
 
-	// 連携ログインの場合用にCookieを参照する
-	const i = (document.cookie.match(/igi=(\w+)/) || [null, null])[1];
+	//#endregion
 
-	if (i != null && i !== 'null') {
+	//#region Fetch user
+	if ($i && $i.token) {
 		if (_DEV_) {
-			console.log('signing...');
+			console.log('account cache found. refreshing...');
 		}
 
-		try {
-			document.body.innerHTML = '<div>Please wait...</div>';
-			await login(i);
-		} catch (err) {
-			// Render the error screen
-			// TODO: ちゃんとしたコンポーネントをレンダリングする(v10とかのトラブルシューティングゲーム付きのやつみたいな)
-			document.body.innerHTML = '<div id="err">Oops!</div>';
-		}
+		refreshAccount();
 	} else {
 		if (_DEV_) {
-			console.log('not signed in');
+			console.log('no account cache found.');
+		}
+
+		// 連携ログインの場合用にCookieを参照する
+		const i = (document.cookie.match(/igi=(\w+)/) || [null, null])[1];
+
+		if (i != null && i !== 'null') {
+			if (_DEV_) {
+				console.log('signing...');
+			}
+
+			try {
+				document.body.innerHTML = '<div>Please wait...</div>';
+				await login(i);
+			} catch (err) {
+				// Render the error screen
+				// TODO: ちゃんとしたコンポーネントをレンダリングする(v10とかのトラブルシューティングゲーム付きのやつみたいな)
+				document.body.innerHTML = '<div id="err">Oops!</div>';
+			}
+		} else {
+			if (_DEV_) {
+				console.log('not signed in');
+			}
 		}
 	}
-}
-//#endregion
+	//#endregion
 
-const fetchInstanceMetaPromise = fetchInstance();
+	const fetchInstanceMetaPromise = fetchInstance();
 
-fetchInstanceMetaPromise.then(() => {
-	localStorage.setItem('v', instance.version);
+	fetchInstanceMetaPromise.then(() => {
+		localStorage.setItem('v', instance.version);
 
-	// Init service worker
-	initializeSw();
-});
+		// Init service worker
+		initializeSw();
+	});
 
-const app = createApp(
-	window.location.search === '?zen' ? defineAsyncComponent(() => import('@/ui/zen.vue')) :
-	!$i ? defineAsyncComponent(() => import('@/ui/visitor.vue')) :
-	ui === 'deck' ? defineAsyncComponent(() => import('@/ui/deck.vue')) :
-	ui === 'classic' ? defineAsyncComponent(() => import('@/ui/classic.vue')) :
-	defineAsyncComponent(() => import('@/ui/universal.vue')),
-);
+	const app = createApp(
+		window.location.search === '?zen' ? defineAsyncComponent(() => import('@/ui/zen.vue')) :
+		!$i ? defineAsyncComponent(() => import('@/ui/visitor.vue')) :
+		ui === 'deck' ? defineAsyncComponent(() => import('@/ui/deck.vue')) :
+		ui === 'classic' ? defineAsyncComponent(() => import('@/ui/classic.vue')) :
+		defineAsyncComponent(() => import('@/ui/universal.vue')),
+	);
 
-if (_DEV_) {
-	app.config.performance = true;
-}
+	if (_DEV_) {
+		app.config.performance = true;
+	}
 
-app.config.globalProperties = {
-	$i,
-	$store: defaultStore,
-	$instance: instance,
-	$t: i18n.t,
-	$ts: i18n.ts,
-};
+	app.config.globalProperties = {
+		$i,
+		$store: defaultStore,
+		$instance: instance,
+		$t: i18n.t,
+		$ts: i18n.ts,
+	};
 
-widgets(app);
-directives(app);
-components(app);
+	widgets(app);
+	directives(app);
+	components(app);
 
-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();
-});
+	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();
+	});
 
-// https://github.com/misskey-dev/misskey/pull/8575#issuecomment-1114239210
-// なぜかinit.tsの内容が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 = (() => {
-	const MISSKEY_MOUNT_DIV_ID = 'misskey_app';
+	// https://github.com/misskey-dev/misskey/pull/8575#issuecomment-1114239210
+	// なぜかinit.tsの内容が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 = (() => {
+		const MISSKEY_MOUNT_DIV_ID = 'misskey_app';
 
-	const currentEl = document.getElementById(MISSKEY_MOUNT_DIV_ID);
+		const currentEl = document.getElementById(MISSKEY_MOUNT_DIV_ID);
 
-	if (currentEl) {
-		console.warn('multiple import detected');
-		return currentEl;
-	}
+		if (currentEl) {
+			console.warn('multiple import detected');
+			return currentEl;
+		}
 
-	const rootEl = document.createElement('div');
-	rootEl.id = MISSKEY_MOUNT_DIV_ID;
-	document.body.appendChild(rootEl);
-	return rootEl;
-})();
+		const rootEl = document.createElement('div');
+		rootEl.id = MISSKEY_MOUNT_DIV_ID;
+		document.body.appendChild(rootEl);
+		return rootEl;
+	})();
 
-app.mount(rootEl);
+	app.mount(rootEl);
 
-// boot.jsのやつを解除
-window.onerror = null;
-window.onunhandledrejection = null;
+	// boot.jsのやつを解除
+	window.onerror = null;
+	window.onunhandledrejection = null;
 
-reactionPicker.init();
+	reactionPicker.init();
 
-if (splash) {
-	splash.style.opacity = '0';
-	splash.style.pointerEvents = 'none';
-}
+	if (splash) {
+		splash.style.opacity = '0';
+		splash.style.pointerEvents = 'none';
+	}
 
-// クライアントが更新されたか？
-const lastVersion = localStorage.getItem('lastVersion');
-if (lastVersion !== version) {
-	localStorage.setItem('lastVersion', version);
+	// クライアントが更新されたか？
+	const lastVersion = localStorage.getItem('lastVersion');
+	if (lastVersion !== version) {
+		localStorage.setItem('lastVersion', version);
 
-	// テーマリビルドするため
-	localStorage.removeItem('theme');
+		// テーマリビルドするため
+		localStorage.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) {
-			// ログインしてる場合だけ
-			if ($i) {
-				popup(defineAsyncComponent(() => import('@/components/updated.vue')), {}, {}, 'closed');
+		try { // 変なバージョン文字列来るとcompareVersionsでエラーになるため
+			if (lastVersion != null && compareVersions(version, lastVersion) === 1) {
+				// ログインしてる場合だけ
+				if ($i) {
+					popup(defineAsyncComponent(() => import('@/components/updated.vue')), {}, {}, 'closed');
+				}
 			}
+		} catch (err) {
 		}
-	} catch (err) {
 	}
-}
 
-// NOTE: この処理は必ず↑のクライアント更新時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: localStorage.theme == null });
+	// NOTE: この処理は必ず↑のクライアント更新時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: localStorage.theme == null });
 
-const darkTheme = computed(ColdDeviceStorage.makeGetterSetter('darkTheme'));
-const lightTheme = computed(ColdDeviceStorage.makeGetterSetter('lightTheme'));
-
-watch(darkTheme, (theme) => {
-	if (defaultStore.state.darkMode) {
-		applyTheme(theme);
-	}
-});
+	const darkTheme = computed(ColdDeviceStorage.makeGetterSetter('darkTheme'));
+	const lightTheme = computed(ColdDeviceStorage.makeGetterSetter('lightTheme'));
 
-watch(lightTheme, (theme) => {
-	if (!defaultStore.state.darkMode) {
-		applyTheme(theme);
-	}
-});
+	watch(darkTheme, (theme) => {
+		if (defaultStore.state.darkMode) {
+			applyTheme(theme);
+		}
+	});
 
-//#region Sync dark mode
-if (ColdDeviceStorage.get('syncDeviceDarkMode')) {
-	defaultStore.set('darkMode', isDeviceDarkmode());
-}
+	watch(lightTheme, (theme) => {
+		if (!defaultStore.state.darkMode) {
+			applyTheme(theme);
+		}
+	});
 
-window.matchMedia('(prefers-color-scheme: dark)').addListener(mql => {
+	//#region Sync dark mode
 	if (ColdDeviceStorage.get('syncDeviceDarkMode')) {
-		defaultStore.set('darkMode', mql.matches);
+		defaultStore.set('darkMode', isDeviceDarkmode());
 	}
-});
-//#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);
-	}
-});
+	window.matchMedia('(prefers-color-scheme: dark)').addListener(mql => {
+		if (ColdDeviceStorage.get('syncDeviceDarkMode')) {
+			defaultStore.set('darkMode', mql.matches);
+		}
+	});
+	//#endregion
 
-watch(defaultStore.reactiveState.useBlurEffectForModal, v => {
-	document.documentElement.style.setProperty('--modalBgFilter', v ? 'blur(4px)' : 'none');
-}, { immediate: true });
+	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.useBlurEffect, v => {
-	if (v) {
-		document.documentElement.style.removeProperty('--blur');
-	} else {
-		document.documentElement.style.setProperty('--blur', 'none');
-	}
-}, { immediate: true });
+	watch(defaultStore.reactiveState.useBlurEffectForModal, v => {
+		document.documentElement.style.setProperty('--modalBgFilter', v ? 'blur(4px)' : 'none');
+	}, { immediate: true });
 
-let reloadDialogShowing = false;
-stream.on('_disconnected_', async () => {
-	if (defaultStore.state.serverDisconnectedBehavior === 'reload') {
-		location.reload();
-	} else if (defaultStore.state.serverDisconnectedBehavior === 'dialog') {
-		if (reloadDialogShowing) return;
-		reloadDialogShowing = true;
-		const { canceled } = await confirm({
-			type: 'warning',
-			title: i18n.ts.disconnectedFromServer,
-			text: i18n.ts.reloadConfirm,
-		});
-		reloadDialogShowing = false;
-		if (!canceled) {
-			location.reload();
+	watch(defaultStore.reactiveState.useBlurEffect, v => {
+		if (v) {
+			document.documentElement.style.removeProperty('--blur');
+		} else {
+			document.documentElement.style.setProperty('--blur', 'none');
 		}
-	}
-});
+	}, { immediate: true });
 
-stream.on('emojiAdded', emojiData => {
-	// TODO
-	//store.commit('instance/set', );
-});
-
-for (const plugin of ColdDeviceStorage.get('plugins').filter(p => p.active)) {
-	import('./plugin').then(({ install }) => {
-		install(plugin);
+	let reloadDialogShowing = false;
+	stream.on('_disconnected_', async () => {
+		if (defaultStore.state.serverDisconnectedBehavior === 'reload') {
+			location.reload();
+		} else if (defaultStore.state.serverDisconnectedBehavior === 'dialog') {
+			if (reloadDialogShowing) return;
+			reloadDialogShowing = true;
+			const { canceled } = await confirm({
+				type: 'warning',
+				title: i18n.ts.disconnectedFromServer,
+				text: i18n.ts.reloadConfirm,
+			});
+			reloadDialogShowing = false;
+			if (!canceled) {
+				location.reload();
+			}
+		}
 	});
-}
-
-const hotkeys = {
-	'd': (): void => {
-		defaultStore.set('darkMode', !defaultStore.state.darkMode);
-	},
-	's': search,
-};
 
-if ($i) {
-	// only add post shortcuts if logged in
-	hotkeys['p|n'] = post;
+	stream.on('emojiAdded', emojiData => {
+		// TODO
+		//store.commit('instance/set', );
+	});
 
-	if ($i.isDeleted) {
-		alert({
-			type: 'warning',
-			text: i18n.ts.accountDeletionInProgress,
+	for (const plugin of ColdDeviceStorage.get('plugins').filter(p => p.active)) {
+		import('./plugin').then(({ install }) => {
+			install(plugin);
 		});
 	}
 
-	const lastUsed = localStorage.getItem('lastUsed');
-	if (lastUsed) {
-		const lastUsedDate = parseInt(lastUsed, 10);
-		// 二時間以上前なら
-		if (Date.now() - lastUsedDate > 1000 * 60 * 60 * 2) {
-			toast(i18n.t('welcomeBackWithName', {
-				name: $i.name || $i.username,
-			}));
+	const hotkeys = {
+		'd': (): void => {
+			defaultStore.set('darkMode', !defaultStore.state.darkMode);
+		},
+		's': search,
+	};
+
+	if ($i) {
+		// only add post shortcuts if logged in
+		hotkeys['p|n'] = post;
+
+		if ($i.isDeleted) {
+			alert({
+				type: 'warning',
+				text: i18n.ts.accountDeletionInProgress,
+			});
 		}
-	}
-	localStorage.setItem('lastUsed', Date.now().toString());
 
-	if ('Notification' in window) {
-		// 許可を得ていなかったらリクエスト
-		if (Notification.permission === 'default') {
-			Notification.requestPermission();
+		const lastUsed = localStorage.getItem('lastUsed');
+		if (lastUsed) {
+			const lastUsedDate = parseInt(lastUsed, 10);
+			// 二時間以上前なら
+			if (Date.now() - lastUsedDate > 1000 * 60 * 60 * 2) {
+				toast(i18n.t('welcomeBackWithName', {
+					name: $i.name || $i.username,
+				}));
+			}
 		}
-	}
+		localStorage.setItem('lastUsed', Date.now().toString());
 
-	const main = markRaw(stream.useChannel('main', null, 'System'));
+		if ('Notification' in window) {
+			// 許可を得ていなかったらリクエスト
+			if (Notification.permission === 'default') {
+				Notification.requestPermission();
+			}
+		}
 
-	// 自分の情報が更新されたとき
-	main.on('meUpdated', i => {
-		updateAccount(i);
-	});
+		const main = markRaw(stream.useChannel('main', null, 'System'));
 
-	main.on('readAllNotifications', () => {
-		updateAccount({ hasUnreadNotification: false });
-	});
+		// 自分の情報が更新されたとき
+		main.on('meUpdated', i => {
+			updateAccount(i);
+		});
 
-	main.on('unreadNotification', () => {
-		updateAccount({ hasUnreadNotification: true });
-	});
+		main.on('readAllNotifications', () => {
+			updateAccount({ hasUnreadNotification: false });
+		});
 
-	main.on('unreadMention', () => {
-		updateAccount({ hasUnreadMentions: true });
-	});
+		main.on('unreadNotification', () => {
+			updateAccount({ hasUnreadNotification: true });
+		});
 
-	main.on('readAllUnreadMentions', () => {
-		updateAccount({ hasUnreadMentions: false });
-	});
+		main.on('unreadMention', () => {
+			updateAccount({ hasUnreadMentions: true });
+		});
 
-	main.on('unreadSpecifiedNote', () => {
-		updateAccount({ hasUnreadSpecifiedNotes: true });
-	});
+		main.on('readAllUnreadMentions', () => {
+			updateAccount({ hasUnreadMentions: false });
+		});
 
-	main.on('readAllUnreadSpecifiedNotes', () => {
-		updateAccount({ hasUnreadSpecifiedNotes: false });
-	});
+		main.on('unreadSpecifiedNote', () => {
+			updateAccount({ hasUnreadSpecifiedNotes: true });
+		});
 
-	main.on('readAllMessagingMessages', () => {
-		updateAccount({ hasUnreadMessagingMessage: false });
-	});
+		main.on('readAllUnreadSpecifiedNotes', () => {
+			updateAccount({ hasUnreadSpecifiedNotes: false });
+		});
 
-	main.on('unreadMessagingMessage', () => {
-		updateAccount({ hasUnreadMessagingMessage: true });
-		sound.play('chatBg');
-	});
+		main.on('readAllMessagingMessages', () => {
+			updateAccount({ hasUnreadMessagingMessage: false });
+		});
 
-	main.on('readAllAntennas', () => {
-		updateAccount({ hasUnreadAntenna: false });
-	});
+		main.on('unreadMessagingMessage', () => {
+			updateAccount({ hasUnreadMessagingMessage: true });
+			sound.play('chatBg');
+		});
 
-	main.on('unreadAntenna', () => {
-		updateAccount({ hasUnreadAntenna: true });
-		sound.play('antenna');
-	});
+		main.on('readAllAntennas', () => {
+			updateAccount({ hasUnreadAntenna: false });
+		});
 
-	main.on('readAllAnnouncements', () => {
-		updateAccount({ hasUnreadAnnouncement: false });
-	});
+		main.on('unreadAntenna', () => {
+			updateAccount({ hasUnreadAntenna: true });
+			sound.play('antenna');
+		});
 
-	main.on('readAllChannels', () => {
-		updateAccount({ hasUnreadChannel: false });
-	});
+		main.on('readAllAnnouncements', () => {
+			updateAccount({ hasUnreadAnnouncement: false });
+		});
 
-	main.on('unreadChannel', () => {
-		updateAccount({ hasUnreadChannel: true });
-		sound.play('channel');
-	});
+		main.on('readAllChannels', () => {
+			updateAccount({ hasUnreadChannel: false });
+		});
 
-	// トークンが再生成されたとき
-	// このままではMisskeyが利用できないので強制的にサインアウトさせる
-	main.on('myTokenRegenerated', () => {
-		signout();
-	});
-}
+		main.on('unreadChannel', () => {
+			updateAccount({ hasUnreadChannel: true });
+			sound.play('channel');
+		});
+
+		// トークンが再生成されたとき
+		// このままではMisskeyが利用できないので強制的にサインアウトさせる
+		main.on('myTokenRegenerated', () => {
+			signout();
+		});
+	}
 
-// shortcut
-document.addEventListener('keydown', makeHotkey(hotkeys));
+	// shortcut
+	document.addEventListener('keydown', makeHotkey(hotkeys));
+})();
diff --git a/packages/client/src/scripts/emojilist.ts b/packages/client/src/scripts/emojilist.ts
index 4196170d24..f9afcda125 100644
--- a/packages/client/src/scripts/emojilist.ts
+++ b/packages/client/src/scripts/emojilist.ts
@@ -8,4 +8,6 @@ export type UnicodeEmojiDef = {
 }
 
 // initial converted from https://github.com/muan/emojilib/commit/242fe68be86ed6536843b83f7e32f376468b38fb
-export const emojilist = (await import('../emojilist.json')).default as UnicodeEmojiDef[];
+import _emojilist from '../emojilist.json';
+
+export const emojilist = _emojilist  as UnicodeEmojiDef[];
diff --git a/packages/client/src/scripts/idb-proxy.ts b/packages/client/src/scripts/idb-proxy.ts
index d462a0d7ce..77bb84463c 100644
--- a/packages/client/src/scripts/idb-proxy.ts
+++ b/packages/client/src/scripts/idb-proxy.ts
@@ -11,16 +11,15 @@ const fallbackName = (key: string) => `idbfallback::${key}`;
 let idbAvailable = typeof window !== 'undefined' ? !!window.indexedDB : true;
 
 if (idbAvailable) {
-	try {
-		await iset('idb-test', 'test');
-	} catch (err) {
+	iset('idb-test', 'test').catch(err => {
 		console.error('idb error', err);
+		console.error('indexedDB is unavailable. It will use localStorage.');
 		idbAvailable = false;
-	}
+	});
+} else {
+	console.error('indexedDB is unavailable. It will use localStorage.');
 }
 
-if (!idbAvailable) console.error('indexedDB is unavailable. It will use localStorage.');
-
 export async function get(key: string) {
 	if (idbAvailable) return iget(key);
 	return JSON.parse(localStorage.getItem(fallbackName(key)));
diff --git a/packages/client/vite.config.ts b/packages/client/vite.config.ts
index 5800cf5021..c66c5ccc2a 100644
--- a/packages/client/vite.config.ts
+++ b/packages/client/vite.config.ts
@@ -49,6 +49,7 @@ export default defineConfig(({ command, mode }) => {
 				'chrome100',
 				'firefox100',
 				'safari15',
+				'es2017',
 			],
 			manifest: 'manifest.json',
 			rollupOptions: {