initial commit

.env

@@ -0,0 +1,14 @@
+# Settings
+ENABLE_SSL=false
+
+# Port number
+HTTP_PORT=80
+HTTPS_PORT=443
+
+# SSL (path of SSL cert)
+SSL_CERT=/etc/letsencrypt/live/api.domain.local/fullchain.pem
+SSL_KEY=/etc/letsencrypt/live/api.domain.local/privkey.pem
+
+# <!> Security Information (KEEP IN SECRET)
+TOKEN_SECRET=8270E043ADCCB7A1C6A4B0466B88AB190813198A366A4935EB30A270DED4F9CD
+TOKEN_TTL=3600

.gitignore

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+# Compiled scripts 
+/dist
+
+# Dependencies directory
+/node_modules

.testing.env

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+# Settings
+ENABLE_SSL=false
+
+# Port number
+HTTP_PORT=8080
+HTTPS_PORT=8443
+
+# SSL (path of SSL cert)
+SSL_CERT=
+SSL_KEY=
+
+# <!> Security Information (KEEP IN SECRET)
+TOKEN_SECRET=AP!_$ECRET
+TOKEN_TTL=86400

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 NXU
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,58 @@
+# RESTful API Template (TypeScript + Express)
+
+A very simple RESTful API Template for testing and demonstration. Basic structure only.
+
+:warning: This template is **NOT** ready for production use! :warning:
+
+### :notebook: Notices & Limitations
+- Database connection is **NOT** implemented in this template
+- The auth controller is **NOT** a complete solution :exclamation:
+- Routes, controllers and models should be added to the API
+- Delete the user route & auth controller if you don't need them
+
+### :clipboard: Features
+- TypeScript, ES2020 version
+- Build with Express
+- Gzip Compression
+- Basic XSS Protection
+- CORS-enabled (All Origins)
+- Ready to support JSON Web Tokens (JWT)
+- Support JSON Request
+- Support SSL (HTTPS server)
+- Support Config file
+
+### :memo: How to use?
+1. `git clone https://github.com/jasonfoknxu/restful-api-typescript-express-template` to download the source code 
+2.  `yarn` or `npm install` to install all the dependencies
+3. Edit the config in the `.env` file (`.testing.env` for testing)
+4. Add & modify the controllers, models, routes ...
+5. `yarn run build` or `npm run build` to compile the scripts
+6. (Optional) `yarn run test` or `npm run test` to run the API server with testing config
+7. `yarn start` or `npm start` to start the API server
+
+### :file_folder: File Structure
+```
+.
+├── dist                # The compiled scripts
+├── node_modules        # The dependencies and the libraries
+├── src                 # Directory of the source code
+│   ├── controllers     # Directory for the controllers of the API
+│   ├── middleware      # Directory for the middleware of the API
+│   ├── models          # Directory for data models, database structure
+│   ├── routes          # Directory for the API routes
+│   ├── types           # The types and interface of TypeScript
+│   └── utils           # The utilities used in the API
+├── .env                # The config file of the API
+├── .testing.env        # The testing config
+├── package.json        # The Node.js ecosystem file
+└── tsconfig.json       # Config of TypeScript
+```
+
+### :bookmark: Credits
+- [Express](https://expressjs.com)
+- [Dotenv](https://github.com/motdotla/dotenv)
+- [Helmet](https://github.com/helmetjs/helmet)
+- [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken)
+- [Node.js compression middleware](https://github.com/expressjs/compression)
+- [Node.js CORS middleware](https://github.com/expressjs/cors)
+- [XSS-Clean](https://github.com/jsonmaur/xss-clean)

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "restful-api-typescript-express-template",
+  "version": "1.0.0",
+  "description": "A simple RESTful API template with TypeScript and Express",
+  "main": "dist/index.js",
+  "homepage": "https://github.com/jasonfoknxu/restful-api-typescript-express-template",
+  "author": "jasonfoknxu <nxu@nxu.biz> (https://nxuweb.net)",
+  "license": "MIT",
+  "repository": "github:jasonfoknxu/restful-api-typescript-express-template",
+  "scripts": {
+    "start": "node dist/index.js",
+    "build": "tsc -p tsconfig.json",
+    "test": "yarn start test"
+  },
+  "devDependencies": {
+    "@types/compression": "^1.7.2",
+    "@types/cors": "^2.8.13",
+    "@types/express": "^4.17.15",
+    "@types/jsonwebtoken": "^9.0.0",
+    "@types/node": "^18.11.18",
+    "typescript": "^4.9.4"
+  },
+  "dependencies": {
+    "compression": "^1.7.4",
+    "cors": "^2.8.5",
+    "dotenv": "^16.0.3",
+    "express": "^4.18.2",
+    "helmet": "^6.0.1",
+    "jsonwebtoken": "^9.0.0",
+    "xss-clean": "^0.1.1"
+  }
+}

src/app.ts

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+import express from 'express';
+import helmet from 'helmet';
+import xss from 'xss-clean';
+import compression from 'compression';
+import cors from 'cors';
+import routes from './routes/v1';
+import { customResponse } from './middleware/customResponse';
+
+const app = express();
+
+// Set security HTTP headers
+app.use(helmet());
+
+// Parse json request body
+app.use(express.json());
+
+// Parse urlencoded request body
+app.use(express.urlencoded({ extended: true }));
+
+// Sanitize request data
+app.use(xss());
+
+// Gzip compression
+app.use(compression());
+
+// Custom response result
+app.use(customResponse);
+
+// Enable cors
+app.use(cors());
+
+// Default route
+app.use('/v1', routes);
+
+// Response 404 error for any unknown api request
+app.use((req, res, next) => {
+  res.result('API Not found.', 404);
+});
+
+export default app;

src/controllers/auth.ts

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+import { Request, Response, NextFunction } from 'express';
+import jwt from 'jsonwebtoken';
+import config from '../utils/config';
+import { AuthRequest } from '../types/authRequest';
+import { Token } from '../types/token';
+
+/**
+ * Login with username and password (header)
+ *
+ * @returns The access token and expire datetime of the token
+ */
+const login = async (req: Request, res: Response, next: NextFunction) => {
+  let username: string = req.get('username') ?? '';
+  const userPassword: string = req.get('password') ?? '';
+  if (!username || !userPassword) {
+    // No username or password
+    return res.result('Missing username or password.', 403);
+  }
+  username = username.trim();
+  let verification = await verifyUser(username, userPassword);
+  if (!verification) {
+    return res.result('Invalid username or password.', 401);
+  }
+
+  let newToken = await generateAccessToken(username);
+  // If generate token fail
+  if (!newToken) {
+    return res.result('Invalid token.', 401);
+  }
+
+  return res.result({ token: newToken.token, expires: newToken.expiredAt }, 'Login success.');
+};
+
+/**
+ * Verify user account by username and password
+ *
+ * @description Please change to your own verification method for the user authentication. ⚠️ This is a insecure demo. NOT for production!
+ *
+ * @returns The user verification result
+ */
+const verifyUser = async (username: string, password: string): Promise<boolean> => {
+  return password === Buffer.from(username).toString('base64');
+};
+
+/**
+ * Update the Access Token
+ *
+ * @returns The updated access token and the token expire datetime
+ */
+const reload = async (req: Request, res: Response, next: NextFunction) => {
+  let newToken: Token | [string, number] = await refreshToken(req, res, next);
+  if (Array.isArray(newToken)) {
+    return res.result(newToken[0], newToken[1]);
+  }
+  if (!newToken || !newToken.token || !newToken.expiredAt) {
+    return res.result('Missing or unsupported token.', 406);
+  }
+  return res.result({ token: newToken.token, expires: newToken.expiredAt }, 'Token updated.');
+};
+
+/**
+ * Generate Access Token
+ *
+ * @returns The access token and expire datetime of the token
+ */
+const generateAccessToken = async (user: string | undefined): Promise<Token | null> => {
+  if (!user) {
+    return null;
+  }
+  const token = jwt.sign({ user: user }, config.TOKEN_SECRET, {
+    expiresIn: `${config.TOKEN_TTL}s`,
+  });
+  return { token: token, expiredAt: getExpiredDate(config.TOKEN_TTL) };
+};
+
+/**
+ * Check Access Token exists and is in supported format
+ *
+ * @returns The access token
+ */
+const checkToken = (req: Request, res: Response, next: NextFunction) => {
+  const authHeader = req.headers.authorization;
+  if (!authHeader || !authHeader.includes(' ') || authHeader.split(' ')[0] !== 'Bearer') {
+    return null;
+  }
+  const token = authHeader.split(' ')[1];
+  if (!token) {
+    return null;
+  }
+  return token;
+};
+
+/**
+ * Validate the Access Token
+ *
+ * @description ⚠️ This is a incomplete solution, the decoded token should be compared with the database record
+ */
+const authenticateToken = async (req: AuthRequest, res: Response, next: NextFunction) => {
+  const token = checkToken(req, res, next);
+  if (!token) {
+    return res.result('Missing or unsupported token.', 406);
+  }
+
+  // Verify with JSON Web Token (JWT)
+  jwt.verify(token, config.TOKEN_SECRET, async (err, decoded) => {
+    if (err) {
+      if (err.name === 'TokenExpiredError') {
+        // Expired Token
+        return res.result('Token expired', 403);
+      } else {
+        // Token with error
+        return res.result('Invalid token.', 401);
+      }
+    }
+    if (!decoded) {
+      return res.result('Token error.', 401);
+    }
+
+    // Pass the decoded token to the request
+    req.authorization = decoded;
+    // Pass the user ID to the request
+    // req.user = /* User ID */;
+    next();
+  });
+};
+
+/**
+ * Refresh Access Token
+ *
+ * @returns The new access token
+ */
+const refreshToken = async (req: Request, res: Response, next: NextFunction): Promise<Token | [string, number]> => {
+  const token = checkToken(req, res, next);
+  if (!token) {
+    return ['Missing or unsupported token.', 406];
+  }
+  const user: string | undefined = req.get('user') ?? undefined;
+
+  // Crate new Access Token
+  let auth = await generateAccessToken(user);
+  // If new token generate fail
+  if (!auth || !auth.token) {
+    return ['Invalid token.', 401];
+  }
+
+  return auth;
+};
+
+/**
+ * Calculate the token expire datetime
+ *
+ * @returns The expire datetime of the token
+ */
+const getExpiredDate = (expireTime: number) => {
+  let now = new Date();
+  now.setTime(now.getTime() + expireTime * 1000);
+  return new Date(now);
+};
+
+export { login, reload, authenticateToken };

src/index.ts

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+import app from './app';
+import log from './utils/log';
+import config from './utils/config';
+import https from 'https';
+import http from 'http';
+import fs from 'fs';
+
+let server: https.Server | http.Server | null = null;
+
+const createServer = () => {
+  if (config.ENABLE_SSL && config.SSL_CERT && config.SSL_KEY) {
+    // Create HTTPS server
+    try {
+      server = https
+        .createServer(
+          {
+            key: fs.readFileSync(config.SSL_KEY),
+            cert: fs.readFileSync(config.SSL_CERT),
+          },
+          app
+        )
+        .listen(config.HTTPS_PORT);
+      log(`HTTPS Server started. Listening to port ${config.HTTPS_PORT}`, 'i');
+    } catch (err) {
+      log(['HTTPS Server cannot be started.', err], 'e');
+      process.exit(1);
+    }
+  } else {
+    // Create HTTP Server
+    server = app.listen(config.HTTP_PORT, async () => {
+      log(`HTTP Server started. Listening to port ${config.HTTP_PORT}`, 'i');
+    });
+  }
+};
+
+// Close server
+const closeServer = () => {
+  if (server) {
+    server.close(() => {
+      log('Server closed. (EXIT)', 'x');
+    });
+  }
+};
+
+// Exit process
+const exitHandler = () => {
+  closeServer();
+  process.exit(1);
+};
+
+// Exception handling
+const unexpectedErrorHandler = (error: string) => {
+  log(['Unexpected Error!', error], 'e');
+  exitHandler();
+};
+
+process.on('uncaughtException', unexpectedErrorHandler);
+process.on('unhandledRejection', unexpectedErrorHandler);
+
+// Kill process
+process.on('SIGTERM', () => {
+  log('Server closed. (SIGTERM received)', 'w');
+  closeServer();
+});
+
+(() => {
+  createServer();
+})();
+
+export { createServer, closeServer };

src/middleware/customResponse.ts

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+import { Request, Response, NextFunction } from 'express';
+import { Result } from '../types/result';
+
+// Add default formatted JSON to Express response
+const customResponse = (req: Request, res: Response, next: NextFunction): void => {
+  function result(message: string, statusCode?: number): void;
+  function result(resultBody: Result, message?: string, statusCode?: number): void;
+
+  function result(resultBody: Result | string, message?: string | number, statusCode: number = 200): void {
+    if (statusCode === undefined) {
+      statusCode = 200;
+    }
+    if (typeof resultBody === 'string') {
+      let result: Result = {
+        success: 1,
+      };
+      result.message = resultBody;
+      if (typeof message === 'number') {
+        statusCode = message;
+      }
+      if (statusCode >= 400) {
+        result.success = 0;
+      }
+      resultBody = result;
+    } else {
+      let success = 1;
+      if (typeof message === 'number') {
+        message = message.toString();
+      }
+      if (message) {
+        resultBody.message = message;
+      }
+      if (statusCode >= 400) {
+        success = 0;
+      }
+      resultBody.success = success;
+    }
+    res.status(statusCode).json(resultBody);
+  }
+
+  res.result = result;
+  next();
+};
+
+export { customResponse };

src/routes/v1/index.ts

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+import express from 'express';
+import userRoute from './user';
+
+const router = express.Router();
+
+// Response result of root path
+router.all('/', (req, res, next) => {
+  return res.result('Status: OK');
+});
+
+// Add routes to the router
+const routes = [
+  {
+    path: '/user',
+    route: userRoute,
+  },
+];
+
+routes.forEach((route) => {
+  router.use(route.path, route.route);
+});
+
+export default router;

src/routes/v1/user.ts

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+import express from 'express';
+import * as authController from '../../controllers/auth';
+const router = express.Router();
+
+/*** User Authentication / Login ***/
+router.route('/login').post(authController.login);
+
+/*** Check user login status ***/
+router.route('/check').all(authController.authenticateToken, (req, res, next) => {
+  return res.result('Logged in.');
+});
+
+/*** Manually Refresh Access Token ***/
+router.route('/refresh').post(authController.reload);
+
+export default router;

src/types/authRequest.ts

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+import { Request } from 'express';
+import { JwtPayload } from 'jsonwebtoken';
+
+export interface AuthRequest extends Request {
+  authorization?: JwtPayload | string;
+  user?: string;
+}

src/types/request.ts

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+import { Response } from 'express';
+
+declare global {
+  namespace Express {
+    interface Response {
+      result: any;
+    }
+  }
+}

src/types/result.ts

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+export interface Result {
+  message?: string;
+  success: number;
+  [key: string]: any;
+}

src/types/token.ts

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+export interface Token {
+  token: string;
+  expiredAt: Date;
+}

src/types/xss-clean.ts

@@ -0,0 +1,4 @@
+declare module 'xss-clean' {
+  const value: Function;
+  export default value;
+}

src/utils/config.ts

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+import dotenv from 'dotenv';
+import Path from 'path';
+let envOptions = {};
+
+// Load .env config file
+if (process.argv) {
+  const args = process.argv.slice(2);
+  let envPath = Path.resolve(process.cwd(), '.env');
+  switch (args[0]) {
+    case 'test':
+    case 'testing':
+      envPath = Path.resolve(process.cwd(), '.testing.env');
+      break;
+  }
+  envOptions = { ...envOptions, path: envPath };
+}
+const loadConfig = dotenv.config(envOptions);
+if (loadConfig.error) {
+  console.error('[API] <ERROR> Cannot load config');
+  throw loadConfig.error;
+}
+
+const loadedConfig = loadConfig.parsed;
+
+if (!loadedConfig) {
+  console.error('[API] <ERROR> Cannot load config');
+  throw new Error();
+}
+
+interface Config {
+  ENABLE_SSL: boolean;
+  HTTP_PORT: number;
+  HTTPS_PORT: number;
+  SSL_CERT: string | null;
+  SSL_KEY: string | null;
+  TOKEN_SECRET: string;
+  TOKEN_TTL: number;
+}
+
+const config: Config = {
+  ENABLE_SSL: loadedConfig.ENABLE_SSL === 'true',
+  HTTP_PORT: parseInt(loadedConfig.HTTP_PORT) ?? 80,
+  HTTPS_PORT: parseInt(loadedConfig.HTTPS_PORT) ?? 443,
+  SSL_CERT: loadedConfig.SSL_CERT ?? null,
+  SSL_KEY: loadedConfig.SSL_KEY ?? null,
+  TOKEN_SECRET: loadedConfig.TOKEN_SECRET ?? '',
+  TOKEN_TTL: parseInt(loadedConfig.TOKEN_TTL) ?? 3600,
+};
+
+export default config;

src/utils/log.ts

@@ -0,0 +1,46 @@
+/**
+ * Logger to display message in console
+ */
+const log = (message: string | string[] | object, type: string = '') => {
+  switch (type.trim()) {
+    case 'i':
+      type = 'INFO';
+      break;
+    case 'w':
+      type = 'WARNING';
+      break;
+    case 'e':
+      type = 'ERROR';
+      break;
+    case 'x':
+      type = '!!!';
+      break;
+    case '':
+      type = 'MESSAGE';
+      break;
+  }
+  if (Array.isArray(message)) {
+    console.log('[API] ' + time() + ' | <' + type + '> ' + message[0] + ' | ', message[1]);
+  } else if (typeof message === 'object' && message !== null) {
+    console.log('[API] ' + time() + ' | <' + type + '> ', message);
+  } else {
+    console.log('[API] ' + time() + ' | <' + type + '> ' + message);
+  }
+};
+
+/**
+ * Get current date time with format YYYY-MM-DD HH:mm:ss
+ *
+ * @returns The formatted datetime
+ */
+const time = (): string => {
+  const d: Date = new Date();
+  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(
+    2,
+    '0'
+  )} ${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}:${String(
+    d.getSeconds()
+  ).padStart(2, '0')}`;
+};
+
+export default log;

tsconfig.json

@@ -0,0 +1,107 @@
+{
+    "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": "es2020",                                  /* 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 TC39 stage 2 draft 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": "commonjs",                                /* Specify what module code is generated. */
+      "rootDir": "src",                                  /* Specify the root folder within your source files. */
+      // "moduleResolution": "node",                       /* 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": ["src"],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+      "typeRoots": ["./src/types"],                                  /* Specify multiple folders that act like './node_modules/@types'. */
+      "types": ["node"],                                      /* 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. */
+      // "resolveJsonModule": true,                        /* Enable importing .json files. */
+      // "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. */
+      // "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": "dist",                                   /* 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. */
+      // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+      // "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. */
+      // "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. */
+    },
+    "include": [
+      "src/*",
+      "src/**/*"
+    ]
+  }

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