update backend to the new templates

packages/backend/eslint.config.js

@@ -151,7 +151,7 @@ export default [
 			},
 			parserOptions: {
 				parser: tsParser,
-				project: ['./jsconfig.frontend.json'],
+				project: ['./tsconfig.frontend.json'],
 				sourceType: 'module',
 				tsconfigRootDir: import.meta.dirname,
 			},

packages/backend/package.json

@@ -26,7 +26,7 @@
 		"typecheck": "pnpm --filter megalodon build && pnpm run typecheck:scripts && pnpm run typecheck:backend && pnpm run typecheck:frontend && pnpm run typecheck:test && pnpm run typecheck:test-federation && pnpm run typecheck:test-server",
 		"typecheck:scripts": "tsc -p tsconfig.scripts.json --noEmit",
 		"typecheck:backend": "tsc -p tsconfig.backend.json --noEmit",
-		"typecheck:frontend": "tsc -p jsconfig.frontend.json --noEmit",
+		"typecheck:frontend": "tsc -p tsconfig.frontend.json --noEmit",
 		"typecheck:test": "tsc -p test/tsconfig.json --noEmit",
 		"typecheck:test-federation": "tsc -p test-federation/tsconfig.json --noEmit",
 		"typecheck:test-server": "tsc -p test-server/tsconfig.json --noEmit",

packages/backend/src/core/DriveService.ts

@@ -767,7 +767,7 @@ export class DriveService {
 
 	@bindThis
 	public async deleteFileSync(file: MiDriveFile, isExpired = false, deleter?: { id: string }) {
-		const promises = [];
+		const promises: Promise<void>[] = [];
 
 		if (file.storedInternal) {
 			promises.push(this.deleteLocalFile(file.accessKey!));

packages/backend/src/core/MfmService.ts

@@ -299,7 +299,7 @@ export class MfmService {
 							(note that the `rp` are to be ignored, they only exist
 							for browsers who don't understand ruby)
 						*/
-						let nonRtNodes = [];
+						let nonRtNodes: ChildNode[] = [];
 						// scan children, ignore `rp`, split on `rt`
 						for (const child of node.childNodes) {
 							if (isText(child)) {

packages/backend/src/core/ReactionsBufferingService.ts

@@ -147,7 +147,7 @@ export class ReactionsBufferingService implements OnApplicationShutdown {
 	// TODO: scanは重い可能性があるので、別途 bufferedNoteIds を直接Redis上に持っておいてもいいかもしれない
 	@bindThis
 	public async bake(): Promise<void> {
-		const bufferedNoteIds = [];
+		const bufferedNoteIds: string[] = [];
 		let cursor = '0';
 		do {
 			// https://github.com/redis/ioredis#transparent-key-prefixing

packages/backend/src/core/entities/FlashEntityService.ts

@@ -40,7 +40,7 @@ export class FlashEntityService {
 		// { schema: 'UserDetailed' } すると無限ループするので注意
 		const user = hint?.packedUser ?? await this.userEntityService.pack(flash.user ?? flash.userId, me);
 
-		let isLiked = undefined;
+		let isLiked: boolean | undefined = undefined;
 		if (meId) {
 			isLiked = hint?.likedFlashIds
 				? hint.likedFlashIds.includes(flash.id)

packages/backend/src/core/entities/MetaEntityService.ts

@@ -51,8 +51,8 @@ export class MetaEntityService {
 			.getMany();
 
 		// クライアントの手間を減らすためあらかじめJSONに変換しておく
-		let defaultLightTheme = null;
-		let defaultDarkTheme = null;
+		let defaultLightTheme: string | null = null;
+		let defaultDarkTheme: string | null = null;
 		if (instance.defaultLightTheme) {
 			try {
 				defaultLightTheme = JSON.stringify(JSON5.parse(instance.defaultLightTheme));

packages/backend/src/core/entities/NoteEntityService.ts

@@ -491,7 +491,7 @@ export class NoteEntityService implements OnModuleInit {
 
 	@bindThis
 	public async packAttachedFiles(fileIds: MiNote['fileIds'], packedFiles: Map<MiNote['fileIds'][number], Packed<'DriveFile'> | null>): Promise<Packed<'DriveFile'>[]> {
-		const missingIds = [];
+		const missingIds: string[] = [];
 		for (const id of fileIds) {
 			if (!packedFiles.has(id)) missingIds.push(id);
 		}

packages/backend/src/core/entities/NotificationEntityService.ts

@@ -232,7 +232,7 @@ export class NotificationEntityService implements OnModuleInit {
 
 		validNotifications = validNotifications.filter(x => !('noteId' in x) || packedNotes.has(x.noteId));
 
-		const userIds = [];
+		const userIds: string[] = [];
 		for (const notification of validNotifications) {
 			if ('notifierId' in notification) userIds.push(notification.notifierId);
 			if (notification.type === 'reaction:grouped') userIds.push(...notification.reactions.map(x => x.userId));

packages/backend/src/misc/bigint.ts

@@ -4,7 +4,7 @@
  */
 
 function parseBigIntChunked(str: string, base: number, chunkSize: number, powerOfChunkSize: bigint): bigint {
-	const chunks = [];
+	const chunks: string[] = [];
 	while (str.length > 0) {
 		chunks.unshift(str.slice(-chunkSize));
 		str = str.slice(0, -chunkSize);

packages/backend/src/misc/generate-invite-code.ts

@@ -12,7 +12,7 @@ export function generateInviteCode(now: number): string {
 		chars: CHARS,
 	});
 
-	const uniqueId = [];
+	const uniqueId: string[] = [];
 	let n = Math.floor(now / 1000 / 60);
 	while (true) {
 		uniqueId.push(CHARS[n % CHARS.length]);

packages/backend/src/misc/prelude/array.ts

@@ -80,7 +80,7 @@ export function lessThan(xs: number[], ys: number[]): boolean {
  * Returns the longest prefix of elements that satisfy the predicate
  */
 export function takeWhile<T>(f: Predicate<T>, xs: T[]): T[] {
-	const ys = [];
+	const ys: T[] = [];
 	for (const x of xs) {
 		if (f(x)) {
 			ys.push(x);

packages/backend/src/misc/verify-field-link.ts

@@ -9,7 +9,7 @@ import type { HttpRequestService } from '@/core/HttpRequestService.js';
 type Field = { name: string, value: string };
 
 export async function verifyFieldLinks(fields: Field[], profileUrls: string[], httpRequestService: HttpRequestService): Promise<string[]> {
-	const verified_links = [];
+	const verified_links: string[] = [];
 	for (const field_url of fields) {
 		try {
 			// getHtml validates the input URL, so we can safely pass in untrusted values

packages/backend/src/postgres.ts

@@ -149,7 +149,7 @@ class TypeORMLogger implements Logger {
 	@bindThis
 	private transformParameters(parameters?: unknown[]): Data | undefined {
 		if (this.props.enableQueryParamLogging && parameters && parameters.length > 0) {
-			return parameters.reduce((params: Record<string, string>, p, i) => {
+			return parameters.reduce<Record<string, string>>((params: Record<string, string>, p, i) => {
 				params[`$${i + 1}`] = stringifyParameter(p);
 				return params;
 			}, {} as Record<string, string>);

packages/backend/src/queue/processors/ImportNotesProcessorService.ts

@@ -397,7 +397,7 @@ export class ImportNotesProcessorService {
 		const visibility = followers ? toot.cc.includes('https://www.w3.org/ns/activitystreams#Public') ? 'home' : 'followers' : 'public';
 
 		const date = new Date(toot.object.published);
-		let text = undefined;
+		let text: string | undefined = undefined;
 		const files: MiDriveFile[] = [];
 		let reply: MiNote | null = null;
 
@@ -464,7 +464,7 @@ export class ImportNotesProcessorService {
 		}
 
 		const date = new Date(post.object.published);
-		let text = undefined;
+		let text: string | undefined = undefined;
 		const files: MiDriveFile[] = [];
 		let reply: MiNote | null = null;
 
@@ -547,7 +547,7 @@ export class ImportNotesProcessorService {
 		const files: MiDriveFile[] = [];
 
 		function decodeIGString(str: string) {
-			const arr = [];
+			const arr: number[] = [];
 			for (let i = 0; i < str.length; i++) {
 				arr.push(str.charCodeAt(i));
 			}
@@ -700,7 +700,7 @@ export class ImportNotesProcessorService {
 		const files: MiDriveFile[] = [];
 
 		function decodeFBString(str: string) {
-			const arr = [];
+			const arr: number[] = [];
 			for (let i = 0; i < str.length; i++) {
 				arr.push(str.charCodeAt(i));
 			}
@@ -708,7 +708,7 @@ export class ImportNotesProcessorService {
 		}
 
 		if (post.attachments && this.isIterable(post.attachments)) {
-			const media = [];
+			const media: any[] = [];
 			for await (const data of post.attachments[0].data) {
 				if (data.media) {
 					media.push(data.media);

packages/backend/src/server/api/endpoints/admin/captcha/current.ts

@@ -63,7 +63,11 @@ export const meta = {
 	},
 } as const;
 
-export const paramDef = {} as const;
+export const paramDef = {
+	type: 'object',
+	properties: {},
+	required: [],
+} as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export

packages/backend/src/server/api/endpoints/admin/cw-instance.ts

@@ -14,8 +14,6 @@ export const meta = {
 	requireCredential: true,
 	requireModerator: true,
 	kind: 'write:admin:cw-instance',
-
-	res: {},
 } as const;
 
 export const paramDef = {

packages/backend/src/server/api/endpoints/admin/cw-note.ts

@@ -19,8 +19,6 @@ export const meta = {
 	requireCredential: true,
 	requireModerator: true,
 	kind: 'write:admin:cw-note',
-
-	res: {},
 } as const;
 
 export const paramDef = {

packages/backend/src/server/api/endpoints/admin/cw-user.ts

@@ -17,8 +17,6 @@ export const meta = {
 	requireCredential: true,
 	requireModerator: true,
 	kind: 'write:admin:cw-user',
-
-	res: {},
 } as const;
 
 export const paramDef = {
@@ -63,6 +61,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				userUsername: user.username,
 				userHost: user.host,
 			});
+
+			return {};
 		});
 	}
 }

packages/backend/src/server/api/endpoints/admin/drive/show-file.ts

@@ -167,6 +167,7 @@ export const paramDef = {
 		fileId: { type: 'string', format: 'misskey:id' },
 		url: { type: 'string' },
 	},
+	// TODO it chokes on this
 	anyOf: [
 		{ required: ['fileId'] },
 		{ required: ['url'] },

packages/backend/src/server/api/endpoints/admin/emoji/update.ts

@@ -102,8 +102,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				case 'NO_SUCH_EMOJI': throw new ApiError(meta.errors.noSuchEmoji);
 				case 'SAME_NAME_EMOJI_EXISTS': throw new ApiError(meta.errors.sameNameEmojiExists);
 			}
-			// 網羅性チェック
-			const mustBeNever: never = error;
 		});
 	}
 }

packages/backend/src/server/api/endpoints/admin/gen-vapid-keys.ts

@@ -17,7 +17,11 @@ export const meta = {
 	kind: 'write:admin:meta',
 } as const;
 
-export const paramDef = {} as const;
+export const paramDef = {
+	type: 'object',
+	properties: {},
+	required: [],
+} as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export

packages/backend/src/server/api/endpoints/admin/invite/create.ts

@@ -5,7 +5,7 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistrationTicketsRepository } from '@/models/_.js';
+import type { RegistrationTicketsRepository, MiRegistrationTicket } from '@/models/_.js';
 import { InviteCodeEntityService } from '@/core/entities/InviteCodeEntityService.js';
 import { IdService } from '@/core/IdService.js';
 import { DI } from '@/di-symbols.js';
@@ -65,7 +65,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.invalidDateTime);
 			}
 
-			const ticketsPromises = [];
+			const ticketsPromises: Promise<MiRegistrationTicket>[] = [];
 
 			for (let i = 0; i < ps.count; i++) {
 				ticketsPromises.push(this.registrationTicketsRepository.insertOne({

packages/backend/src/server/api/endpoints/channels/create.ts

@@ -6,7 +6,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import ms from 'ms';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { ChannelsRepository, DriveFilesRepository } from '@/models/_.js';
+import type { ChannelsRepository, DriveFilesRepository, MiDriveFile } from '@/models/_.js';
 import type { MiChannel } from '@/models/Channel.js';
 import { IdService } from '@/core/IdService.js';
 import { ChannelEntityService } from '@/core/entities/ChannelEntityService.js';
@@ -68,7 +68,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private channelEntityService: ChannelEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			let banner = null;
+			let banner: MiDriveFile | null = null;
 			if (ps.bannerId != null) {
 				banner = await this.driveFilesRepository.findOneBy({
 					id: ps.bannerId,

packages/backend/src/server/api/endpoints/channels/update.ts

@@ -6,7 +6,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import ms from 'ms';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { DriveFilesRepository, ChannelsRepository } from '@/models/_.js';
+import type { DriveFilesRepository, ChannelsRepository, MiDriveFile } from '@/models/_.js';
 import { ChannelEntityService } from '@/core/entities/ChannelEntityService.js';
 import { DI } from '@/di-symbols.js';
 import { RoleService } from '@/core/RoleService.js';
@@ -99,8 +99,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.accessDenied);
 			}
 
-			// eslint:disable-next-line:no-unnecessary-initializer
-			let banner = undefined;
+			let banner: MiDriveFile | null = null;
 			if (ps.bannerId != null) {
 				banner = await this.driveFilesRepository.findOneBy({
 					id: ps.bannerId,

packages/backend/src/server/api/endpoints/chat/messages/create-to-room.ts

@@ -10,7 +10,7 @@ import { GetterService } from '@/server/api/GetterService.js';
 import { DI } from '@/di-symbols.js';
 import { ApiError } from '@/server/api/error.js';
 import { ChatService } from '@/core/ChatService.js';
-import type { DriveFilesRepository, MiUser } from '@/models/_.js';
+import type { DriveFilesRepository, MiUser, MiDriveFile } from '@/models/_.js';
 import type { Config } from '@/config.js';
 
 export const meta = {
@@ -96,7 +96,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchRoom);
 			}
 
-			let file = null;
+			let file: MiDriveFile | null = null;
 			if (ps.fileId != null) {
 				file = await this.driveFilesRepository.findOneBy({
 					id: ps.fileId,

packages/backend/src/server/api/endpoints/chat/messages/create-to-user.ts

@@ -10,7 +10,7 @@ import { GetterService } from '@/server/api/GetterService.js';
 import { DI } from '@/di-symbols.js';
 import { ApiError } from '@/server/api/error.js';
 import { ChatService } from '@/core/ChatService.js';
-import type { DriveFilesRepository, MiUser } from '@/models/_.js';
+import type { DriveFilesRepository, MiUser, MiDriveFile } from '@/models/_.js';
 import type { Config } from '@/config.js';
 
 export const meta = {
@@ -103,7 +103,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.maxLength);
 			}
 
-			let file = null;
+			let file: MiDriveFile | null = null;
 			if (ps.fileId != null) {
 				file = await this.driveFilesRepository.findOneBy({
 					id: ps.fileId,

packages/backend/src/server/api/endpoints/drive/folders/create.ts

@@ -6,7 +6,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import ms from 'ms';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { DriveFoldersRepository } from '@/models/_.js';
+import type { DriveFoldersRepository, MiDriveFolder } from '@/models/_.js';
 import { IdService } from '@/core/IdService.js';
 import { DriveFolderEntityService } from '@/core/entities/DriveFolderEntityService.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
@@ -61,7 +61,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			// If the parent folder is specified
-			let parent = null;
+			let parent: MiDriveFolder | null = null;
 			if (ps.parentId) {
 				// Fetch parent folder
 				parent = await this.driveFoldersRepository.findOneBy({

packages/backend/src/server/api/endpoints/i/registry/get.ts

@@ -20,8 +20,6 @@ export const meta = {
 		},
 	},
 
-	res: {},
-
 	// 10 calls per 5 seconds
 	limit: {
 		duration: 1000 * 5,

packages/backend/src/server/api/endpoints/pages/create.ts

@@ -5,7 +5,7 @@
 
 import ms from 'ms';
 import { Inject, Injectable } from '@nestjs/common';
-import type { DriveFilesRepository, PagesRepository } from '@/models/_.js';
+import type { DriveFilesRepository, PagesRepository, MiDriveFile } from '@/models/_.js';
 import { IdService } from '@/core/IdService.js';
 import { MiPage, pageNameSchema } from '@/models/Page.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
@@ -83,7 +83,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private readonly timeService: TimeService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			let eyeCatchingImage = null;
+			let eyeCatchingImage: MiDriveFile | null = null;
 			if (ps.eyeCatchingImageId != null) {
 				eyeCatchingImage = await this.driveFilesRepository.findOneBy({
 					id: ps.eyeCatchingImageId,

packages/backend/src/server/api/mastodon/MastodonApiServerService.ts

@@ -3,6 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import { createReadStream } from 'node:fs';
+import { Readable } from 'node:stream';
 import { Injectable } from '@nestjs/common';
 import { bindThis } from '@/decorators.js';
 import { getErrorData, getErrorException, getErrorStatus, MastodonLogger } from '@/server/api/mastodon/MastodonLogger.js';
@@ -118,7 +120,10 @@ export class MastodonApiServerService {
 			}
 
 			const client = this.clientService.getClient(_request);
-			const data = await client.uploadMedia(multipartData);
+			const data = await client.uploadMedia({
+				...multipartData,
+				stream: Readable.toWeb(createReadStream(multipartData.filepath)),
+			});
 			const response = convertAttachment(data.data as Entity.Attachment);
 
 			return reply.send(response);
@@ -131,7 +136,10 @@ export class MastodonApiServerService {
 			}
 
 			const client = this.clientService.getClient(_request);
-			const data = await client.uploadMedia(multipartData, _request.body);
+			const data = await client.uploadMedia({
+				...multipartData,
+				stream: Readable.toWeb(createReadStream(multipartData.filepath)),
+			}, _request.body);
 			const response = convertAttachment(data.data as Entity.Attachment);
 
 			return reply.send(response);

packages/backend/src/server/api/mastodon/MastodonConverters.ts

@@ -6,8 +6,8 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { Entity, MastodonEntity, MisskeyEntity } from 'megalodon';
 import * as mfm from 'mfm-js';
-import { MastodonNotificationType } from 'megalodon/lib/src/mastodon/notification.js';
-import { NotificationType } from 'megalodon/lib/src/notification.js';
+import { MastodonNotificationType } from 'megalodon/built/lib/mastodon/notification.js';
+import { NotificationType } from 'megalodon/built/lib/notification.js';
 import { DI } from '@/di-symbols.js';
 import { MfmService } from '@/core/MfmService.js';
 import type { Config } from '@/config.js';

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

@@ -8,8 +8,8 @@
 window.onload = async () => {
 	const content = document.getElementById('content');
 
-	document.getElementById('ls').addEventListener('click', () => {
-		content.innerHTML = '';
+	document.getElementById('ls')?.addEventListener('click', () => {
+		if (content) content.innerHTML = '';
 
 		const lsEditor = document.createElement('div');
 		lsEditor.id = 'lsEditor';
@@ -31,7 +31,7 @@ window.onload = async () => {
 		lsEditor.appendChild(adder);
 
 		for (let i = 0; i < localStorage.length; i++) {
-			const k = localStorage.key(i);
+			const k = /** @type {string} */ (localStorage.key(i));
 			const record = document.createElement('div');
 			record.classList.add('record');
 			const header = document.createElement('header');
@@ -57,6 +57,6 @@ window.onload = async () => {
 			lsEditor.appendChild(record);
 		}
 
-		content.appendChild(lsEditor);
+		content?.appendChild(lsEditor);
 	});
 };

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

@@ -43,6 +43,7 @@
 	//#region Detect language & fetch translations
 	if (!localStorage.getItem('locale')) {
 		const supportedLangs = LANGS;
+		/** @type {string | null | undefined} */
 		let lang = localStorage.getItem('lang');
 		if (lang == null || !supportedLangs.includes(lang)) {
 			if (supportedLangs.includes(navigator.language)) {
@@ -92,12 +93,20 @@
 	}
 	//#endregion
 
+	/**
+	 * @param {string} styleText
+	 * @returns {Promise<void>}
+	 */
 	async function addStyle(styleText) {
 		let css = document.createElement('style');
 		css.appendChild(document.createTextNode(styleText));
 		document.head.appendChild(css);
 	}
 
+	/**
+	 * @param {string} code
+	 * @returns {Promise<void>}
+	 */
 	async function renderError(code) {
 		// Cannot set property 'innerHTML' of null を回避
 		if (document.readyState === 'loading') {

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

@@ -34,6 +34,7 @@
 	//#region Detect language & fetch translations
 	if (!localStorage.getItem('locale')) {
 		const supportedLangs = LANGS;
+		/** @type {string | null | undefined} */
 		let lang = localStorage.getItem('lang');
 		if (lang == null || !supportedLangs.includes(lang)) {
 			if (supportedLangs.includes(navigator.language)) {
@@ -154,12 +155,21 @@
 		document.head.appendChild(style);
 	}
 
+	/**
+	 * @param {string} styleText
+	 * @returns {Promise<void>}
+	 */
 	async function addStyle(styleText) {
 		let css = document.createElement('style');
 		css.appendChild(document.createTextNode(styleText));
 		document.head.appendChild(css);
 	}
 
+	/**
+	 * @param {string} code
+	 * @param {any} [details]
+	 * @returns {Promise<void>}
+	 */
 	async function renderError(code, details) {
 		// Cannot set property 'innerHTML' of null を回避
 		if (document.readyState === 'loading') {
@@ -233,7 +243,7 @@
 			<code>ERROR CODE: ${code}</code>
 		</summary>
 		<code>${details.toString()} ${JSON.stringify(details)}</code>`;
-		errorsElement.appendChild(detailsElement);
+		errorsElement?.appendChild(detailsElement);
 		addStyle(`
 		* {
 			font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;

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

@@ -6,9 +6,15 @@
 'use strict';
 
 window.onload = async () => {
-	const account = JSON.parse(localStorage.getItem('account'));
-	const i = account.token;
+	const accountRaw = localStorage.getItem('account');
+	const account = accountRaw ? JSON.parse(accountRaw) : null;
+	const i = account?.token;
 
+	/**
+	 * @param {string} endpoint
+	 * @param {Record<string, unknown>} data
+	 * @returns {Promise<any>}
+	 */
 	const api = (endpoint, data = {}) => {
 		const promise = new Promise((resolve, reject) => {
 			// Append a credential
@@ -17,19 +23,19 @@ window.onload = async () => {
 			// Send request
 			fetch(endpoint.indexOf('://') > -1 ? endpoint : `/api/${endpoint}`, {
 				headers: {
-					'Content-Type': 'application/json'
+					'Content-Type': 'application/json',
 				},
 				method: 'POST',
 				body: JSON.stringify(data),
 				credentials: 'omit',
-				cache: 'no-cache'
+				cache: 'no-cache',
 			}).then(async (res) => {
 				const body = res.status === 204 ? null : await res.json();
 
 				if (res.status === 200) {
 					resolve(body);
 				} else if (res.status === 204) {
-					resolve();
+					resolve({});
 				} else {
 					reject(body.error);
 				}
@@ -39,7 +45,7 @@ window.onload = async () => {
 		return promise;
 	};
 
-	document.getElementById('submit').addEventListener('click', () => {
+	document.getElementById('submit')?.addEventListener('click', () => {
 		api('notes/create', {
 			text: (/** @type {HTMLInputElement} */(document.getElementById('text'))).value
 		}).then(() => {
@@ -49,6 +55,7 @@ window.onload = async () => {
 
 	api('notes/timeline').then(notes => {
 		const tl = document.getElementById('tl');
+		if (!tl) return;
 		for (const note of notes) {
 			const el = document.createElement('div');
 			const name = document.createElement('header');

packages/backend/test-federation/tsconfig.json

@@ -1,15 +1,19 @@
 {
-	"extends": "../../shared/tsconfig.node.json",
+	"extends": "../../shared/tsconfig.node.jsonc",
 	"compilerOptions": {
+		// Checking
 		"types": ["jest", "node"],
 		"verbatimModuleSyntax": false,
-		"outDir": "./built",
+		"noImplicitOverride": false,
+		"noImplicitAny": false,
+		"strictFunctionTypes": false,
+		"strictPropertyInitialization": false,
 		"paths": {
 			"@/*": ["../src/*"]
 		},
-		"typeRoots": [
-			"../node_modules/@types"
-		]
+
+		// Output
+		"outDir": "./built"
 	},
 	"include": [
 		"daemon.ts",

packages/backend/test-server/tsconfig.json

@@ -5,12 +5,7 @@
 		"paths": {
 			"@/*": ["../src/*"]
 		},
-		"outDir": "../built-test",
-		"typeRoots": [
-			"../src/@types",
-			"../node_modules/@types",
-			"../node_modules"
-		]
+		"outDir": "../built-test"
 	},
 	"include": [
 		"./**/*.ts",

packages/backend/test/e2e/oauth.ts

@@ -153,13 +153,14 @@ async function assertDirectError(response: Response, status: number, error: stri
 }
 
 describe('OAuth', () => {
-    test('fake pass', () => {
-        assert.ok(true, 'fake pass');
-    });
+	test('fake pass', () => {
+		assert.ok(true, 'fake pass');
+	});
 });
 
 // these tests won't pass until we integrate Misskey's OAuth code with ours
-if (false) describe('OAuth', () => {
+/*
+describe('OAuth', () => {
 	let fastify: FastifyInstance;
 
 	let alice: misskey.entities.SignupResponse;
@@ -1025,3 +1026,4 @@ if (false) describe('OAuth', () => {
 		});
 	});
 });
+ */

packages/backend/test/tsconfig.json

@@ -1,18 +1,19 @@
 {
-	"extends": "../../shared/tsconfig.node.json",
+	"extends": "../../shared/tsconfig.node.jsonc",
 	"compilerOptions": {
+		// Checking
 		"types": ["jest", "node"],
-		"outDir": "./built",
-		"sourceMap": true,
 		"verbatimModuleSyntax": false,
-		"removeComments": false,
+		"noImplicitOverride": false,
+		"noImplicitAny": false,
+		"strictFunctionTypes": false,
+		"strictPropertyInitialization": false,
 		"paths": {
 			"@/*": ["../src/*"]
 		},
-		"typeRoots": [
-			"../node_modules/@types",
-			"../src/@types"
-		]
+
+		// Output
+		"outDir": "./built"
 	},
 	"include": [
 		"./**/*.ts",

packages/backend/tsconfig.backend.json

@@ -1,19 +1,24 @@
 {
 	"$schema": "https://json.schemastore.org/tsconfig",
-	"extends": "../shared/tsconfig.node.json",
+	"extends": "../shared/tsconfig.node.jsonc",
 	"compilerOptions": {
-		"removeComments": false,
-		"verbatimModuleSyntax": false,
+		// Input
 		"rootDir": "./src",
-		"outDir": "./built",
+
+		// Checking
+		"verbatimModuleSyntax": false,
+		"noImplicitOverride": false,
+		"noImplicitAny": false,
+		"strictFunctionTypes": false,
+		"strictPropertyInitialization": false,
+
 		"paths": {
 			"@/*": ["./src/*"]
 		},
-		"typeRoots": [
-			"./src/@types",
-			"./node_modules/@types",
-			"./node_modules"
-		],
+
+		// Output
+		"removeComments": false,
+		"outDir": "./built"
 	},
 	"include": [
 		"./src/**/*.ts"

packages/backend/tsconfig.frontend.json

@@ -1,5 +1,8 @@
 {
-	"extends": "../shared/jsconfig.web.json",
+	"extends": "../shared/tsconfig.web.jsonc",
+	"compilerOptions": {
+		"noEmit": true,
+	},
 	"include": [
 		"./assets/**/*.js",
 		"./assets/**/*.mjs",
@@ -11,14 +14,14 @@
 		"./src/server/web/**/*.d.ts"
 	],
 	"exclude": [
-		"**/node_modules/**/*",
-		"**/built/**/*",
-		"./jspm_packages",
-		"./tmp",
-		"./temp",
-		"./test",
-		"./test-federation",
-		"./test-server",
-		"**/coverage/**/*"
+		"node_modules",
+		"built",
+		"built-test",
+		"js-built",
+		"temp",
+		"coverage",
+		"test",
+		"test-federation",
+		"test-server"
 	]
 }

packages/backend/tsconfig.json

@@ -5,6 +5,6 @@
 	"references": [
 		{ "path":  "./tsconfig.scripts.json" },
 		{ "path":  "./tsconfig.backend.json" },
-		{ "path":  "./jsconfig.frontend.json" }
+		{ "path":  "./tsconfig.frontend.json" }
 	]
 }

packages/backend/tsconfig.scripts.json

@@ -1,17 +1,18 @@
 {
 	"$schema": "https://json.schemastore.org/tsconfig",
-	"extends": "../shared/tsconfig.node.json",
-	"compilerOptions": {
-		"noImplicitAny": false,
-		"allowImportingTsExtensions": true,
-		"noEmit": true
-	},
+	"extends": "../shared/tsconfig.scripts.jsonc",
 	"include": [
 		"jest.*",
 		"eslint.*",
 		"scripts/**/*"
 	],
 	"exclude": [
+		"node_modules",
+		"built",
+		"built-test",
+		"js-built",
+		"temp",
+		"coverage",
 		"ormconfig.js",
 		"scripts/check_connect.js",
 		"scripts/generate_api_json.js"