fix code quality issues

packages/backend/src/server/api/stream/channels/admin.ts

@@ -9,9 +9,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class AdminChannel extends Channel {
 	public readonly chName = 'admin';
-	public static shouldShare = true;
+	public static readonly shouldShare = true;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:admin:stream';
+	public static readonly kind = 'read:admin:stream';
 
 	@bindThis
 	public async init(params: any) {

packages/backend/src/server/api/stream/channels/antenna.ts

@@ -12,9 +12,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class AntennaChannel extends Channel {
 	public readonly chName = 'antenna';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:account';
+	public static readonly kind = 'read:account';
 	private antennaId: string;
 
 	constructor(

packages/backend/src/server/api/stream/channels/channel.ts

@@ -12,8 +12,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class ChannelChannel extends Channel {
 	public readonly chName = 'channel';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private channelId: string;
 
 	constructor(

packages/backend/src/server/api/stream/channels/drive.ts

@@ -9,9 +9,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class DriveChannel extends Channel {
 	public readonly chName = 'drive';
-	public static shouldShare = true;
+	public static readonly shouldShare = true;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:account';
+	public static readonly kind = 'read:account';
 
 	@bindThis
 	public async init(params: any) {

packages/backend/src/server/api/stream/channels/global-timeline.ts

@@ -16,8 +16,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class GlobalTimelineChannel extends Channel {
 	public readonly chName = 'globalTimeline';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private withRenotes: boolean;
 	private withFiles: boolean;
 

packages/backend/src/server/api/stream/channels/hashtag.ts

@@ -13,8 +13,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class HashtagChannel extends Channel {
 	public readonly chName = 'hashtag';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private q: string[][];
 
 	constructor(

packages/backend/src/server/api/stream/channels/home-timeline.ts

@@ -14,9 +14,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class HomeTimelineChannel extends Channel {
 	public readonly chName = 'homeTimeline';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:account';
+	public static readonly kind = 'read:account';
 	private withRenotes: boolean;
 	private withFiles: boolean;
 

packages/backend/src/server/api/stream/channels/hybrid-timeline.ts

@@ -16,9 +16,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class HybridTimelineChannel extends Channel {
 	public readonly chName = 'hybridTimeline';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:account';
+	public static readonly kind = 'read:account';
 	private withRenotes: boolean;
 	private withReplies: boolean;
 	private withFiles: boolean;

packages/backend/src/server/api/stream/channels/local-timeline.ts

@@ -15,8 +15,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class LocalTimelineChannel extends Channel {
 	public readonly chName = 'localTimeline';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private withRenotes: boolean;
 	private withReplies: boolean;
 	private withFiles: boolean;

packages/backend/src/server/api/stream/channels/main.ts

@@ -11,9 +11,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class MainChannel extends Channel {
 	public readonly chName = 'main';
-	public static shouldShare = true;
+	public static readonly shouldShare = true;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:account';
+	public static readonly kind = 'read:account';
 
 	constructor(
 		private noteEntityService: NoteEntityService,

packages/backend/src/server/api/stream/channels/queue-stats.ts

@@ -12,8 +12,8 @@ const ev = new Xev();
 
 class QueueStatsChannel extends Channel {
 	public readonly chName = 'queueStats';
-	public static shouldShare = true;
+	public static readonly shouldShare = true;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 
 	constructor(id: string, connection: Channel['connection']) {
 		super(id, connection);

packages/backend/src/server/api/stream/channels/reversi-game.ts

@@ -13,8 +13,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class ReversiGameChannel extends Channel {
 	public readonly chName = 'reversiGame';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private gameId: MiReversiGame['id'] | null = null;
 
 	constructor(

packages/backend/src/server/api/stream/channels/reversi.ts

@@ -9,9 +9,9 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class ReversiChannel extends Channel {
 	public readonly chName = 'reversi';
-	public static shouldShare = true;
+	public static readonly shouldShare = true;
-	public static requireCredential = true as const;
+	public static readonly requireCredential = true as const;
-	public static kind = 'read:account';
+	public static readonly kind = 'read:account';
 
 	@bindThis
 	public async init(params: any) {

packages/backend/src/server/api/stream/channels/role-timeline.ts

@@ -14,8 +14,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class RoleTimelineChannel extends Channel {
 	public readonly chName = 'roleTimeline';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private roleId: string;
 
 	constructor(

packages/backend/src/server/api/stream/channels/server-stats.ts

@@ -12,8 +12,8 @@ const ev = new Xev();
 
 class ServerStatsChannel extends Channel {
 	public readonly chName = 'serverStats';
-	public static shouldShare = true;
+	public static readonly shouldShare = true;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 
 	constructor(id: string, connection: Channel['connection']) {
 		super(id, connection);

packages/backend/src/server/api/stream/channels/user-list.ts

@@ -15,8 +15,8 @@ import Channel, { type MiChannelService } from '../channel.js';
 
 class UserListChannel extends Channel {
 	public readonly chName = 'userList';
-	public static shouldShare = false;
+	public static readonly shouldShare = false;
-	public static requireCredential = false as const;
+	public static readonly requireCredential = false as const;
 	private listId: string;
 	private membershipsMap: Record<string, Pick<MiUserListMembership, 'withReplies'> | undefined> = {};
 	private listUsersClock: NodeJS.Timeout;

packages/frontend/src/components/MkContextMenu.vue

@@ -47,12 +47,12 @@ onMounted(() => {
 	const width = rootEl.value!.offsetWidth;
 	const height = rootEl.value!.offsetHeight;
 
-	if (left + width - window.pageXOffset >= (window.innerWidth - SCROLLBAR_THICKNESS)) {
+	if (left + width - window.scrollX >= (window.innerWidth - SCROLLBAR_THICKNESS)) {
-		left = (window.innerWidth - SCROLLBAR_THICKNESS) - width + window.pageXOffset;
+		left = (window.innerWidth - SCROLLBAR_THICKNESS) - width + window.scrollX;
 	}
 
-	if (top + height - window.pageYOffset >= (window.innerHeight - SCROLLBAR_THICKNESS)) {
+	if (top + height - window.scrollY >= (window.innerHeight - SCROLLBAR_THICKNESS)) {
-		top = (window.innerHeight - SCROLLBAR_THICKNESS) - height + window.pageYOffset;
+		top = (window.innerHeight - SCROLLBAR_THICKNESS) - height + window.scrollY;
 	}
 
 	if (top < 0) {

packages/frontend/src/components/MkNote.vue

@@ -212,14 +212,15 @@ const note = ref(deepClone(props.note));
 // plugin
 if (noteViewInterruptors.length > 0) {
 	onMounted(async () => {
-		let result: Misskey.entities.Note | null = deepClone(note.value);
+		let result = deepClone(note.value);
 		for (const interruptor of noteViewInterruptors) {
 			try {
-				result = await interruptor.handler(result!) as Misskey.entities.Note | null;
+				const r = await interruptor.handler(result) as Misskey.entities.Note | null;
-				if (result === null) {
+				if (r === null) {
 					isDeleted.value = true;
 					return;
 				}
+				result = r;
 			} catch (err) {
 				console.error(err);
 			}

packages/frontend/src/components/MkNoteDetailed.vue

@@ -240,14 +240,15 @@ const note = ref(deepClone(props.note));
 // plugin
 if (noteViewInterruptors.length > 0) {
 	onMounted(async () => {
-		let result: Misskey.entities.Note | null = deepClone(note.value);
+		let result = deepClone(note.value);
 		for (const interruptor of noteViewInterruptors) {
 			try {
-				result = await interruptor.handler(result!) as Misskey.entities.Note | null;
+				const r = await interruptor.handler(result) as Misskey.entities.Note | null;
-				if (result === null) {
+				if (r === null) {
 					isDeleted.value = true;
 					return;
 				}
+				result = r;
 			} catch (err) {
 				console.error(err);
 			}

packages/frontend/src/components/MkPollEditor.vue

@@ -72,9 +72,7 @@ export type PollEditorModelValue = {
 const props = defineProps<{
 	modelValue: PollEditorModelValue;
 }>();
-const emit = defineEmits<{
+const emit = defineEmits<(ev: 'update:modelValue', v: PollEditorModelValue) => void>();
-	(ev: 'update:modelValue', v: PollEditorModelValue): void;
-}>();
 
 const choices = ref(props.modelValue.choices);
 const multiple = ref(props.modelValue.multiple);

packages/frontend/src/components/MkPostForm.vue

@@ -352,7 +352,7 @@ if (props.specified) {
 }
 
 // keep cw when reply
-if (defaultStore.state.keepCw && props.reply && props.reply.cw) {
+if (defaultStore.state.keepCw && props.reply?.cw) {
 	useCw.value = true;
 	cw.value = props.reply.cw;
 }
@@ -603,7 +603,7 @@ async function onPaste(ev: ClipboardEvent) {
 				return;
 			}
 
-			quoteId.value = paste.substring(url.length).match(/^\/notes\/(.+?)\/?$/)?.[1] ?? null;
+			quoteId.value = RegExp(/^\/notes\/(.+?)\/?$/).exec(paste.substring(url.length))?.[1] ?? null;
 		});
 	}
 }

packages/frontend/src/components/MkPushNotificationAllowButton.vue

@@ -156,7 +156,7 @@ if (navigator.serviceWorker == null) {
 
 		pushSubscription.value = await registration.value.pushManager.getSubscription();
 
-		if (instance.swPublickey && ('PushManager' in window) && $i && $i.token) {
+		if (instance.swPublickey && ('PushManager' in window) && $i?.token) {
 			supported.value = true;
 
 			if (pushSubscription.value) {

packages/frontend/src/components/MkSignin.vue

@@ -142,7 +142,7 @@ async function queryKey(): Promise<void> {
 
 function onSubmit(): void {
 	signing.value = true;
-	if (!totpLogin.value && user.value && user.value.twoFactorEnabled) {
+	if (!totpLogin.value && user.value?.twoFactorEnabled) {
 		if (webAuthnSupported() && user.value.securityKeys) {
 			misskeyApi('signin', {
 				username: username.value,

packages/frontend/src/components/MkUserSelectDialog.vue

@@ -70,7 +70,7 @@ import { misskeyApi } from '@/scripts/misskey-api.js';
 import { defaultStore } from '@/store.js';
 import { i18n } from '@/i18n.js';
 import { $i } from '@/account.js';
-import { host as currentHost, hostname } from '@/config.js';
+import { hostname } from '@/config.js';
 
 const emit = defineEmits<{
 	(ev: 'ok', selected: Misskey.entities.UserDetailed): void;
@@ -138,8 +138,8 @@ onMounted(() => {
 				return true;
 			}
 		});
-		if (props.includeSelf && _users.find(x => $i ? x.id === $i.id : true) == null) {
+		if (props.includeSelf && $i && !_users.find(x => $i ? x.id === $i.id : true)) {
-			recentUsers.value = [$i!, ..._users];
+			recentUsers.value = [$i, ..._users];
 		} else {
 			recentUsers.value = _users;
 		}

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

@@ -15,7 +15,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { onMounted, shallowRef, ref, nextTick } from 'vue';
 import { Chart } from 'chart.js';
-import gradient from 'chartjs-plugin-gradient';
 import tinycolor from 'tinycolor2';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { defaultStore } from '@/store.js';

packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts

@@ -62,12 +62,12 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 	const validTime = (t: string | boolean | null | undefined) => {
 		if (t == null) return null;
 		if (typeof t === 'boolean') return null;
-		return t.match(/^[0-9.]+s$/) ? t : null;
+		return RegExp(/^[0-9.]+s$/).exec(t) ? t : null;
 	};
 
 	const validColor = (c: unknown): string | null => {
 		if (typeof c !== 'string') return null;
-		return c.match(/^[0-9a-f]{3,6}$/i) ? c : null;
+		return RegExp(/^[0-9a-f]{3,6}$/i).exec(c) ? c : null;
 	};
 
 	const useAnim = defaultStore.state.advancedMfm && defaultStore.state.animatedMfm;
@@ -356,7 +356,7 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 			case 'mention': {
 				return [h(MkMention, {
 					key: Math.random(),
-					host: (token.props.host == null && props.author && props.author.host != null ? props.author.host : token.props.host) ?? host,
+					host: (token.props.host == null && props.author?.host ? props.author.host : token.props.host) ?? host,
 					username: token.props.username,
 				})];
 			}

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

@@ -97,7 +97,7 @@ function onTabClick(t: Tab, ev: MouseEvent): void {
 
 function renderTab() {
 	const tabEl = props.tab ? tabRefs[props.tab] : undefined;
-	if (tabEl && tabHighlightEl.value && tabHighlightEl.value.parentElement) {
+	if (tabEl && tabHighlightEl.value?.parentElement) {
 		// offsetWidth や offsetLeft は少数を丸めてしまうため getBoundingClientRect を使う必要がある
 		// https://developer.mozilla.org/ja/docs/Web/API/HTMLElement/offsetWidth#%E5%80%A4
 		const parentRect = tabHighlightEl.value.parentElement.getBoundingClientRect();