Initial commit

.gitignore

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+### Node template
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+config.toml
+recordings
+.idea

.prettierrc

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+{
+  "semi": false,
+  "endOfLine": "lf",
+  "useTabs": true,
+  "tabWidth": 4
+}

package.json

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+{
+  "name": "koibot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "dist/index.js",
+  "scripts": {
+    "dev": "tsx src/index.ts"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/node": "^20.3.2",
+    "prettier": "^2.8.8",
+    "tsx": "^3.12.7",
+    "typescript": "^5.1.5"
+  },
+  "type": "module",
+  "dependencies": {
+    "@discordjs/collection": "^1.5.1",
+    "@discordjs/core": "^0.6.0",
+    "@discordjs/opus": "^0.9.0",
+    "@discordjs/rest": "^1.7.1",
+    "@discordjs/voice": "^0.16.0",
+    "@discordjs/ws": "^0.8.3",
+    "discord-api-types": "^0.37.46",
+    "libsodium-wrappers": "^0.7.11",
+    "node-crc": "1.3.2",
+    "prism-media": "2.0.0-alpha.0",
+    "toml": "^3.0.0"
+  }
+}

src/api.ts

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+import { REST } from "@discordjs/rest"
+import { WebSocketManager } from "@discordjs/ws"
+import { Client, GatewayIntentBits } from "@discordjs/core"
+import { config } from "./config.js"
+import { VoiceStateManager } from "./utils/wrapper/VoiceState.js"
+import { RecordingSessionManager } from "./utils/sessions.js"
+
+export const rest = new REST({ version: "10" }).setToken(config.token)
+
+export const gateway = new WebSocketManager({
+	token: config.token,
+	intents: GatewayIntentBits.Guilds | GatewayIntentBits.GuildVoiceStates,
+	rest,
+	shardIds: [0],
+	shardCount: 1,
+})
+
+export const client = new Client({ rest, gateway })
+
+export const voiceStateManager = new VoiceStateManager()
+
+export const sessionManager = new RecordingSessionManager()

src/commands/start.ts

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+import {
+	APIChatInputApplicationCommandInteraction,
+	WithIntrinsicProps,
+} from "@discordjs/core"
+import {
+	client,
+	gateway,
+	rest,
+	sessionManager,
+	voiceStateManager,
+} from "../api.js"
+import { Routes } from "discord-api-types/v10"
+import { joinVoiceChannel } from "@discordjs/voice"
+
+export const startCommand = async ({
+	data,
+	api,
+	shardId,
+}: WithIntrinsicProps<APIChatInputApplicationCommandInteraction>) => {
+	if (!data.member || !data.guild_id)
+		return api.interactions.reply(data.id, data.token, {
+			content: "이 명령어는 서버에서 사용되어야 해요!",
+		})
+
+	if (sessionManager.hasSession(data.guild_id))
+		return api.interactions.reply(data.id, data.token, {
+			content: "이미 이 서버에서는 녹음이 진행중이에요!",
+		})
+
+	const vc = voiceStateManager.getUserVC(data.guild_id, data.member.user.id)
+
+	if (!vc)
+		return api.interactions.reply(data.id, data.token, {
+			content: "먼저 음성 채널에 들어가주세요!",
+		})
+
+	sessionManager.addSession(data.guild_id, vc, shardId)
+
+	await api.interactions.reply(data.id, data.token, {
+		content: "냥냥",
+	})
+}

src/config.ts

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+import toml from "toml"
+import fs from "fs/promises"
+
+export interface KoiConfig {
+	token: string
+	guilds: string[]
+	sync: boolean
+}
+
+export const config: KoiConfig = toml.parse(
+	await fs.readFile("config.toml", "utf-8")
+)

src/index.ts

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+import { client, gateway, sessionManager, voiceStateManager } from "./api.js"
+
+import {
+	ActivityType,
+	APIChatInputApplicationCommandInteraction,
+	ApplicationCommandType,
+	GatewayDispatchEvents,
+	InteractionType,
+	PresenceUpdateStatus,
+	WithIntrinsicProps,
+} from "@discordjs/core"
+import { startCommand } from "./commands/start.js"
+import { config } from "./config.js"
+import { syncCommands } from "./utils/commands.js"
+import { VoiceState } from "./utils/wrapper/VoiceState.js"
+
+process.on("uncaughtException", (error) => console.error(error))
+process.on("unhandledRejection", (error) => console.error(error))
+
+if (config.sync) {
+	await syncCommands()
+}
+
+client.on(GatewayDispatchEvents.GuildCreate, (args) => {
+	console.log(`ADD GUILD: ${args.data.name}(${args.data.id})`)
+	voiceStateManager.addGuild(args.data.id, args.data.voice_states)
+})
+
+client.on(GatewayDispatchEvents.GuildDelete, (args) => {
+	voiceStateManager.removeGuild(args.data.id)
+})
+
+client.on(GatewayDispatchEvents.Ready, async (ready) => {
+	console.log("ready", ready.data.user.username)
+
+	await Promise.all(
+		(
+			await gateway.getShardIds()
+		).map((shard) =>
+			client
+				.updatePresence(shard, {
+					afk: false,
+					since: Date.now(),
+					status: PresenceUpdateStatus.Online,
+					activities: [
+						{
+							type: ActivityType.Playing,
+							name: "냥냥",
+						},
+					],
+				})
+				.then(() => {
+					console.log("updated presence for shard", shard)
+				})
+		)
+	)
+})
+
+client.on(GatewayDispatchEvents.InteractionCreate, async (args) => {
+	if (args.data.type === InteractionType.ApplicationCommand) {
+		if (args.data.data.type === ApplicationCommandType.ChatInput) {
+			const command = args.data.data.name
+
+			let commandFn:
+				| ((
+						args: WithIntrinsicProps<APIChatInputApplicationCommandInteraction>
+				  ) => Promise<void>)
+				| null = null
+
+			switch (command) {
+				case "start":
+					commandFn = startCommand
+					break
+			}
+
+			if (!commandFn) return
+
+			await commandFn(
+				args as WithIntrinsicProps<APIChatInputApplicationCommandInteraction>
+			)
+		}
+	}
+})
+
+client.on(GatewayDispatchEvents.VoiceStateUpdate, async (args) => {
+	if (args.data.guild_id) {
+		const adapter = sessionManager.adapters.get(args.data.guild_id)
+		if (adapter) adapter.onVoiceStateUpdate(args.data)
+		const guild = voiceStateManager.guilds.get(args.data.guild_id)
+		if (guild) {
+			const state = guild.get(args.data.user_id)
+			if (state) {
+				state.update(args.data)
+			} else {
+				guild.set(
+					args.data.user_id,
+					new VoiceState(args.data, args.data.guild_id)
+				)
+			}
+		}
+	}
+})
+
+client.on(GatewayDispatchEvents.VoiceServerUpdate, (args) => {
+	const adapter = sessionManager.adapters.get(args.data.guild_id)
+	if (adapter) adapter.onVoiceServerUpdate(args.data)
+})
+
+await gateway.connect()

src/utils/appid.ts

@@ -0,0 +1,3 @@
+export const getAppIdFromToken = (token: string) => {
+	return atob(token.split(".")[0])
+}

src/utils/commands.ts

@@ -0,0 +1,30 @@
+import { client, rest } from "../api.js"
+import {
+	ApplicationCommandType,
+	RESTPutAPIApplicationGuildCommandsJSONBody,
+	Routes,
+} from "discord-api-types/v10"
+import { getAppIdFromToken } from "./appid.js"
+import { config } from "../config.js"
+
+export const syncCommands = async () => {
+	console.log("Syncing commands...")
+	for (const guild of config.guilds) {
+		console.log("Syncing for", guild)
+		await client.api.applicationCommands.bulkOverwriteGuildCommands(
+			getAppIdFromToken(config.token),
+			guild,
+			commands
+		)
+	}
+
+	console.log("------------ Done! ------------")
+}
+
+const commands: RESTPutAPIApplicationGuildCommandsJSONBody = [
+	{
+		type: ApplicationCommandType.ChatInput,
+		name: "start",
+		description: "start recording",
+	},
+]

src/utils/sessions.ts

@@ -0,0 +1,132 @@
+import { Collection } from "@discordjs/collection"
+import { gateway, voiceStateManager } from "../api.js"
+import {
+	AudioReceiveStream,
+	DiscordGatewayAdapterLibraryMethods,
+	EndBehaviorType,
+	joinVoiceChannel,
+	VoiceConnection,
+} from "@discordjs/voice"
+import { Snowflake } from "discord-api-types/v10"
+import * as prism from "prism-media"
+import { pipeline } from "stream"
+import { createWriteStream, existsSync, mkdirSync } from "fs"
+import { getAppIdFromToken } from "./appid.js"
+import { config } from "../config.js"
+import path from "path"
+
+export class RecordingSessionManager {
+	sessionMap = new Collection<Snowflake, RecordingSession>()
+	adapters = new Collection<Snowflake, DiscordGatewayAdapterLibraryMethods>()
+
+	hasSession(guild: Snowflake): boolean {
+		return this.sessionMap.has(guild)
+	}
+
+	addSession(guild: Snowflake, channel: Snowflake, shardId: number) {
+		const session = new RecordingSession(
+			joinVoiceChannel({
+				guildId: guild,
+				channelId: channel,
+				adapterCreator: (methods) => {
+					this.adapters.set(guild, methods)
+					return {
+						sendPayload: (payload) => {
+							gateway.send(shardId, payload)
+							return true
+						},
+						destroy: () => {
+							this.adapters.delete(guild)
+						},
+					}
+				},
+				selfDeaf: false,
+				selfMute: true,
+				debug: true,
+			})
+		)
+
+		this.sessionMap.set(guild, session)
+	}
+}
+
+export class RecordingSession {
+	id: string
+	streams = new Collection<Snowflake, UserStream>()
+	startedAt = Date.now()
+
+	constructor(public vc: VoiceConnection) {
+		this.id = Date.now().toString()
+		vc.receiver.speaking.on("start", (userId) => this.addReceiver(userId))
+		vc.receiver.speaking.on("end", (userId) => this.removeReceiver(userId))
+	}
+
+	get receiver() {
+		return this.vc.receiver
+	}
+
+	addReceiver(userId: string) {
+		if (userId === getAppIdFromToken(config.token)) return
+		if (this.streams.has(userId)) return
+
+		console.log("Starting record:", userId)
+
+		const receiver = this.receiver.subscribe(userId)
+
+		this.streams.set(userId, new UserStream(this, receiver, userId))
+	}
+
+	removeReceiver(userId: string) {
+		const stream = this.streams.get(userId)
+
+		if (stream) {
+			console.log("Stopping record:", userId)
+			stream.subscription.push(null)
+			this.streams.delete(userId)
+		}
+	}
+}
+
+class UserStream {
+	oggStream: prism.opus.OggLogicalBitstream
+
+	constructor(
+		public session: RecordingSession,
+		public subscription: AudioReceiveStream,
+		public userId: string
+	) {
+		this.oggStream = new prism.opus.OggLogicalBitstream({
+			opusHead: new prism.opus.OpusHead({
+				channelCount: 2,
+				sampleRate: 48000,
+			}),
+			pageSizeControl: {
+				maxPackets: 10,
+			},
+		})
+
+		const dir = path.resolve("recordings", session.id, userId)
+
+		if (!existsSync(dir)) {
+			mkdirSync(dir, {
+				recursive: true,
+			})
+		}
+
+		const filename = path.join(dir, `${Date.now() - session.startedAt}.ogg`)
+
+		const outputStream = createWriteStream(filename)
+
+		pipeline(subscription, this.oggStream, outputStream, (err) => {
+			outputStream.end()
+
+			if (err) {
+				console.log(`Recording ${userId} ended with error: ${err}`)
+				subscription.destroy(err)
+				return
+			}
+
+			console.log(`Recording ${userId} ended`)
+		})
+	}
+}

src/utils/wrapper/VoiceState.ts

@@ -0,0 +1,44 @@
+import { GatewayVoiceState, Snowflake } from "discord-api-types/v10"
+import { Collection } from "@discordjs/collection"
+import { sessionManager } from "../../api.js"
+
+type GuildVoiceState = Omit<GatewayVoiceState, "guild_id">
+
+export class VoiceStateManager {
+	guilds = new Collection<string, Collection<string, VoiceState>>()
+
+	addGuild(id: Snowflake, states: GuildVoiceState[]) {
+		const guild = new Collection<Snowflake, VoiceState>()
+		for (const state of states) {
+			guild.set(state.user_id, new VoiceState(state, id))
+		}
+		this.guilds.set(id, guild)
+	}
+
+	removeGuild(id: Snowflake) {
+		this.guilds.delete(id)
+	}
+
+	getUserVC(guild: Snowflake, member: Snowflake): string | null {
+		const guildStates = this.guilds.get(guild)
+		if (!guildStates) return null
+		return guildStates.get(member)?.channelId ?? null
+	}
+}
+
+export class VoiceState {
+	id!: Snowflake
+	channelId!: Snowflake | null
+
+	mute!: boolean
+
+	constructor(data: GuildVoiceState, public guild: Snowflake) {
+		this.update(data)
+	}
+
+	update(data: GuildVoiceState) {
+		this.channelId = data.channel_id
+		this.id = data.user_id
+		this.mute = data.mute || data.self_mute
+	}
+}

tsconfig.json

@@ -0,0 +1,116 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+    // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
+    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
+    // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
+    // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
+    // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
+    // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
+
+    /* Language and Environment */
+    "target": "ESNext",
+    /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "jsx": "preserve",                                /* Specify what JSX code is generated. */
+    // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
+    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+    // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
+    // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
+    // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
+    // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "ESNext",
+    /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    "moduleResolution": "NodeNext",
+    /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
+    // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
+    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
+    // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
+    // "allowImportingTsExtensions": true,               /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
+    // "resolvePackageJsonExports": true,                /* Use the package.json 'exports' field when resolving package imports. */
+    // "resolvePackageJsonImports": true,                /* Use the package.json 'imports' field when resolving imports. */
+    // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
+    // "resolveJsonModule": true,                        /* Enable importing .json files. */
+    // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
+    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+
+    /* JavaScript Support */
+    // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
+    // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
+    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
+    // "outDir": "./",                                   /* Specify an output folder for all emitted files. */
+    // "removeComments": true,                           /* Disable emitting comments. */
+    // "noEmit": true,                                   /* Disable emitting files from a compilation. */
+    // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+    // "importsNotUsedAsValues": "remove",               /* Specify emit/checking behavior for imports that are only used for types. */
+    // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
+    // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
+    // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
+    // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
+    // "newLine": "crlf",                                /* Set the newline character for emitting files. */
+    // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
+    // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
+    // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
+    // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
+    // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
+    // "preserveValueImports": true,                     /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
+
+    /* Interop Constraints */
+    // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
+    // "verbatimModuleSyntax": true,                     /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
+    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,
+    /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+    "forceConsistentCasingInFileNames": true,
+    /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,
+    /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
+    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
+    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
+    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
+    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
+    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
+    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+    // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
+    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+
+    /* Completeness */
+    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true
+    /* Skip type checking all .d.ts files. */
+  }
+}