Changed to Typescript. Added Create Post route and model.

.gitignore

@@ -3,4 +3,6 @@ node_modules
 .env
 prisma/*.db
 .DS_Store
-prisma/migrations/dev
+prisma/migrations/dev
+client
+dist

Dockerfile

@@ -6,10 +6,24 @@ WORKDIR /app
 COPY package*.json ./
 COPY prisma ./prisma/
 
+RUN npm install pm2 -g
 RUN npm install
 
 COPY . .
 
+RUN npm run build
+
+# Stage 2
+FROM node:16
+
+WORKDIR /app
+
+COPY --from=builder /app/package*.json ./
+COPY --from=builder /app/prisma ./prisma/
+COPY --from=builder /app/dist ./dist/
+
+RUN npm ci
+
 EXPOSE 8080
 
 CMD ["npm", "run", "prod:start"]

jest.config.js

@@ -0,0 +1,5 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node'
+}

package.json

@@ -2,10 +2,9 @@
   "name": "social-media-app",
   "version": "0.0.1",
   "description": "A social media",
-  "main": "src/server.js",
-  "type": "module",
   "scripts": {
-    "dev:start": "nodemon src/server.js",
+    "build": "tsc --build",
+    "dev:start": "ts-node-dev --transpile-only --respawn src/server.ts",
     "docker": "docker compose up -d",
     "docker:build": "docker build -t api . && docker compose up -d",
     "docker:db": "docker compose -f docker-compose.db.yml up -d",
@@ -16,23 +15,42 @@
     "prisma:generate": "npx prisma generate",
     "prisma:seed": "prisma db seed",
     "prisma:studio": "npx prisma studio",
-    "prod:start": "pm2-runtime start src/server.js",
-    "test": "node --experimental-vm-modules --no-warnings node_modules/jest/bin/jest.js"
+    "prod:start": "nodemon dist/src/server.js",
+    "test": "jest"
   },
-  "standard": {
+  "aliases": {
+    "@services": "./src/services",
+    "@db": "./prisma"
+  },
+  "ts-standard": {
+    "project": "tsconfig.json",
     "ignore": [
-      "/src/tests/*.spec.js"
+      "prisma/*",
+      "dist"
     ]
   },
   "author": "Cookie",
   "license": "MIT",
   "devDependencies": {
+    "@types/bcrypt": "^5.0.0",
+    "@types/compression": "^1.7.2",
+    "@types/dotenv": "^8.2.0",
+    "@types/express": "^4.17.17",
+    "@types/jest": "^29.5.2",
+    "@types/jsonwebtoken": "^9.0.2",
+    "@types/node": "^20.3.1",
+    "@types/supertest": "^2.0.12",
+    "@types/validator": "^13.7.17",
+    "@typescript-eslint/eslint-plugin": "^5.60.0",
     "jest": "^29.5.0",
     "nodemon": "^2.0.22",
     "pm2": "^5.3.0",
     "prisma": "^4.16.0",
-    "standard": "^17.1.0",
-    "supertest": "^6.3.3"
+    "supertest": "^6.3.3",
+    "ts-jest": "^29.1.0",
+    "ts-node-dev": "^2.0.0",
+    "ts-standard": "^12.0.2",
+    "typescript": "^5.1.3"
   },
   "dependencies": {
     "@prisma/client": "^4.16.0",

prisma/client.ts

@@ -1,5 +1,7 @@
 import { PrismaClient } from '@prisma/client'
 
+// Cria uma instância do cliente Prisma
 const prisma = new PrismaClient()
 
+// Exporta o cliente Prisma para ser usado em outros módulos
 export default prisma

prisma/migrations/20230621185116_postmodelcreated/migration.sql

@@ -0,0 +1,13 @@
+-- CreateTable
+CREATE TABLE "Post" (
+    "id" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "authorId" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Post_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "Post" ADD CONSTRAINT "Post_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

prisma/schema.prisma

@@ -16,5 +16,15 @@ model User {
   username      String  @unique
   email         String  @unique
   password      String
+  posts         Post[]
   createdAt     DateTime     @default(now())
 }
+
+model Post {
+  id        String    @id @default(uuid())
+  content   String
+  authorId  String
+  author    User      @relation(fields: [authorId], references: [id])
+  createdAt DateTime  @default(now())
+  updatedAt DateTime  @default(now())
+}

src/@types/express.d.ts

@@ -0,0 +1,10 @@
+import * as express from 'express'
+import jwtPayload from '../interfaces/jwt'
+
+declare global {
+  namespace Express {
+    interface Request {
+      user: jwtPayload | undefined
+    }
+  }
+}

src/app.ts

@@ -1,7 +1,7 @@
 import 'dotenv/config'
 
 import express from 'express'
-import router from './routes.js'
+import router from './routes'
 import compression from 'compression'
 
 const app = express()

src/controllers/post/create-post.ts

@@ -0,0 +1,20 @@
+import createPostService from '../../services/post/create-post'
+import { Request, Response } from 'express'
+
+async function createPostController (req: Request, res: Response): Promise<void> {
+  const { content } = req.body
+  const id: string = req.user?.id ?? ''
+
+  const result = await createPostService(content, id)
+
+  if (result instanceof Error) {
+    res.status(400).json({
+      error: result.message
+    })
+    return
+  }
+
+  res.json(result)
+}
+
+export default createPostController

src/controllers/user-auth.js

@@ -1,17 +0,0 @@
-import userAuthService from '../services/user-auth.js'
-
-async function userAuthController (req, res) {
-  const { email, password } = req.body
-
-  const result = await userAuthService({ email, password })
-
-  if (result instanceof Error) {
-    return res.status(400).json({
-      error: result.message
-    })
-  }
-
-  res.json(result)
-}
-
-export default userAuthController

src/controllers/user-info.js

@@ -1,15 +0,0 @@
-import userInfoService from '../services/user-info.js'
-
-async function userInfoController (req, res) {
-  const result = await userInfoService(req)
-
-  if (result instanceof Error) {
-    return res.status(400).json({
-      error: result.message
-    })
-  }
-
-  res.json(result)
-}
-
-export default userInfoController

src/controllers/user-signup.js

@@ -1,17 +0,0 @@
-import userSignupService from '../services/user-signup.js'
-
-async function userSignupController (req, res) {
-  const { username, email, password } = req.body
-
-  const result = await userSignupService({ username, email, password })
-
-  if (result instanceof Error) {
-    return res.status(400).json({
-      error: result.message
-    })
-  }
-
-  return res.json(result)
-}
-
-export default userSignupController

src/controllers/user/user-auth.ts

@@ -0,0 +1,19 @@
+import userAuthService from '../../services/user/user-auth'
+import type { Request, Response } from 'express'
+
+async function userAuthController (req: Request, res: Response): Promise<void> {
+  const { email, password } = req.body
+
+  const result = await userAuthService(email, password)
+
+  if (result instanceof Error) {
+    res.status(400).json({
+      error: result.message
+    })
+    return
+  }
+
+  res.json(result)
+}
+
+export default userAuthController

src/controllers/user/user-info.ts

@@ -0,0 +1,19 @@
+import userInfoService from '../../services/user/user-info'
+import type { Request, Response } from 'express'
+
+async function userInfoController (req: Request, res: Response): Promise<void> {
+  const id = req.user?.id ?? ''
+
+  const result = await userInfoService(id)
+
+  if (result instanceof Error) {
+    res.status(400).json({
+      error: result.message
+    })
+    return
+  }
+
+  res.json(result)
+}
+
+export default userInfoController

src/controllers/user/user-signup.ts

@@ -0,0 +1,19 @@
+import userSignupService from '../../services/user/user-signup'
+import type { Request, Response } from 'express'
+
+async function userSignupController (req: Request, res: Response): Promise<void> {
+  const { username, email, password } = req.body
+
+  const result = await userSignupService(username, email, password)
+
+  if (result instanceof Error) {
+    res.status(400).json({
+      error: result.message
+    })
+    return
+  }
+
+  res.json(result)
+}
+
+export default userSignupController

src/interfaces/jwt.ts

@@ -0,0 +1,7 @@
+interface jwtPayload {
+  id: string
+  iat: number
+  exp: number
+}
+
+export default jwtPayload

src/middlewares/ensure-authenticated.js

@@ -1,38 +0,0 @@
-import jsonwebtoken from 'jsonwebtoken'
-import prisma from '../../prisma/client.js'
-
-function ensureAuthenticated (req, res, next) {
-  if (!req.headers.authorization || req.headers.authorization.length === 0) {
-    return res.status(401).json({
-      error: 'Missing token'
-    })
-  }
-
-  const token = req.headers.authorization.split(' ')[1]
-
-  jsonwebtoken.verify(token, process.env.JWT_ACCESS_SECRET, async (err, decoded) => {
-    if (err || !decoded) {
-      return res.status(401).json({
-        error: err.message
-      })
-    }
-
-    const user = await prisma.user.findFirst({
-      where: {
-        id: decoded.id
-      }
-    })
-
-    if (!user) {
-      return res.status(401).json({
-        error: 'Invalid user'
-      })
-    }
-
-    req.user = decoded
-
-    return next()
-  })
-}
-
-export default ensureAuthenticated

src/middlewares/ensure-authenticated.ts

@@ -0,0 +1,57 @@
+import { verify } from 'jsonwebtoken'
+import prisma from '../../prisma/client'
+import { Response, Request, NextFunction } from 'express'
+import jwtPayload from '../interfaces/jwt'
+
+async function ensureAuthenticated (req: Request, res: Response, next: NextFunction): Promise<void> {
+  if (req.headers.authorization === undefined || req.headers.authorization.length === 0) {
+    res.status(401).json({
+      error: 'Missing token'
+    })
+    return
+  }
+
+  const token = req.headers.authorization.split(' ')[1]
+
+  try {
+    const decoded = await new Promise<jwtPayload | undefined>((resolve, reject) => {
+      verify(token, process.env.JWT_ACCESS_SECRET ?? '', (error, decoded) => {
+        if (error != null) {
+          reject(error)
+        } else {
+          resolve(decoded as jwtPayload)
+        }
+      })
+    })
+
+    if (decoded == null) {
+      res.status(401).json({
+        error: 'Invalid token'
+      })
+      return
+    }
+
+    const user = await prisma.user.findFirst({
+      where: {
+        id: decoded.id
+      }
+    })
+
+    if (user == null) {
+      res.status(401).json({
+        error: 'Invalid user'
+      })
+      return
+    }
+
+    req.user = decoded
+
+    return next()
+  } catch (error) {
+    res.status(401).json({
+      error: (error as Error).message
+    })
+  }
+}
+
+export default ensureAuthenticated

src/routes.js

@@ -1,14 +0,0 @@
-import { Router } from 'express'
-
-import userSignupController from './controllers/user-signup.js'
-import userAuthController from './controllers/user-auth.js'
-import userInfoController from './controllers/user-info.js'
-import ensureAuthenticated from './middlewares/ensure-authenticated.js'
-
-const router = Router()
-
-router.post('/user/create', userSignupController)
-router.post('/user/auth', userAuthController)
-router.get('/user/info', ensureAuthenticated, userInfoController)
-
-export default router

src/routes.ts

@@ -0,0 +1,22 @@
+import { Router } from 'express'
+
+// Controllers
+import userSignupController from './controllers/user/user-signup'
+import userAuthController from './controllers/user/user-auth'
+import userInfoController from './controllers/user/user-info'
+import createPostController from './controllers/post/create-post'
+
+// Middlewares
+import ensureAuthenticated from './middlewares/ensure-authenticated'
+
+const router = Router()
+
+// User related
+router.post('/user/auth', userAuthController)
+router.post('/user/create', userSignupController)
+router.get('/user/info', ensureAuthenticated, userInfoController)
+
+// Post related
+router.post('/post/create', ensureAuthenticated, createPostController)
+
+export default router

src/server.js

@@ -1,5 +0,0 @@
-import app from './app.js'
-
-app.listen(process.env.SERVER_PORT, () => {
-  console.log(`Server is running @ ${process.env.SERVER_PORT}`)
-})

src/server.ts

@@ -0,0 +1,5 @@
+import app from './app'
+
+app.listen(process.env.SERVER_PORT, () => {
+  console.log(`Server is running @ ${process.env.SERVER_PORT ?? ''}`)
+})

src/services/post/create-post.ts

@@ -0,0 +1,20 @@
+import prisma from '../../../prisma/client'
+
+async function createPostService (content: string, authorId: string) {
+  const user = await prisma.user.findFirst({ where: { id: authorId } })
+
+  if (user == null) {
+    return new Error('This user doesn\'t exists')
+  }
+
+  const post = await prisma.post.create({
+    data: {
+      content,
+      authorId
+    }
+  })
+
+  return post
+}
+
+export default createPostService

src/services/user/user-auth.ts

@@ -1,15 +1,15 @@
 import * as bcrypt from 'bcrypt'
 import jsonwebtoken from 'jsonwebtoken'
-import prisma from '../../prisma/client.js'
+import prisma from '../../../prisma/client'
 
-async function userAuthService ({ email, password }) {
+async function userAuthService (email: string, password: string): Promise<Object | Error> {
   const user = await prisma.user.findFirst({
     where: {
       email
     }
   })
 
-  if (!user) {
+  if (user == null) {
     return new Error('User does not exists')
   }
 
@@ -19,13 +19,13 @@ async function userAuthService ({ email, password }) {
 
   const validPassword = await bcrypt.compare(password, user.password)
 
-  if (validPassword === false) {
+  if (!validPassword) {
     return new Error('Invalid email or password')
   }
 
   const { id } = user
 
-  const bearer = jsonwebtoken.sign({ id }, process.env.JWT_ACCESS_SECRET, { expiresIn: '1d' })
+  const bearer = jsonwebtoken.sign({ id }, process.env.JWT_ACCESS_SECRET ?? '', { expiresIn: '1d' })
 
   return {
     token: bearer

src/services/user/user-info.ts

@@ -1,11 +1,9 @@
-import prisma from '../../prisma/client.js'
-
-async function userInfoService (req) {
-  const userId = req.user.id
+import prisma from '../../../prisma/client'
 
+async function userInfoService (id: string): Promise<Object> {
   const user = await prisma.user.findFirst({
     where: {
-      id: userId
+      id
     },
     select: {
       id: true,
@@ -15,6 +13,10 @@ async function userInfoService (req) {
     }
   })
 
+  if (user === null) {
+    return new Error('User not found')
+  }
+
   return user
 }
 

src/services/user/user-signup.ts

@@ -1,20 +1,25 @@
 import * as bcrypt from 'bcrypt'
-import prisma from '../../prisma/client.js'
+import validator from 'validator'
+import prisma from '../../../prisma/client'
 
-async function userSignupService ({ username, email, password }) {
-  if (!username || !email || !password) {
+async function userSignupService (username: string, email: string, password: string): Promise<Object | Error> {
+  if (username === undefined || email === undefined || password === undefined) {
     return new Error('Missing fields')
   }
 
-  if (/^[a-zA-Z0-9_]{5,15}$/.test(username) === false) {
+  if (!/^[a-zA-Z0-9_]{5,15}$/.test(username)) {
     return new Error('Username not allowed. Only alphanumerics characters (uppercase and lowercase words), underscore and it must be between 5 and 15 characters')
   }
 
-  if (await prisma.user.findFirst({ where: { username } })) {
+  if (!validator.isEmail(email)) {
+    return new Error('Invalid email format')
+  }
+
+  if ((await prisma.user.findFirst({ where: { username } })) != null) {
     return new Error('Username already in use')
   }
 
-  if (await prisma.user.findFirst({ where: { email } })) {
+  if ((await prisma.user.findFirst({ where: { email } })) != null) {
     return new Error('Email already in use')
   }
 
@@ -28,7 +33,7 @@ async function userSignupService ({ username, email, password }) {
       password: hashedPassword
     },
     select: {
-      id: true,
+      displayName: true,
       username: true,
       createdAt: true
     }

src/tests/user/user-auth.spec.ts

@@ -1,6 +1,6 @@
 import request from 'supertest'
-import prisma from '../../prisma/client.js'
-import app from '../app.js'
+import prisma from '../../../prisma/client'
+import app from '../../app'
 
 describe('POST /user/auth', () => {
   beforeAll(async () => {

src/tests/user/user-info.spec.ts

@@ -2,6 +2,6 @@ import request from 'supertest'
 
 describe('POST /user/info', () => {
   it('TODO', async () => {
-    
+
   })
 })

src/tests/user/user-signup.spec.ts

@@ -1,6 +1,6 @@
 import request from 'supertest'
-import prisma from '../../prisma/client.js'
-import app from '../app.js'
+import prisma from '../../../prisma/client'
+import app from '../../app'
 
 const mockUser = {
   username: 'username11',
@@ -12,7 +12,7 @@ describe('POST /user/create', () => {
   it('should respond with a 200 status code', async () => {
     const response = await request(app).post('/user/create').send(mockUser).expect(200)
 
-    expect(response.body).toHaveProperty('id')
+    expect(response.body).toHaveProperty('displayName')
     expect(response.body).toHaveProperty('username')
     expect(response.body).toHaveProperty('createdAt')
   })

tsconfig.json

@@ -0,0 +1,111 @@
+{
+  "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": "es2016", /* 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": "commonjs", /* Specify what module code is generated. */
+    "rootDir": "./", /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    "baseUrl": "./src", /* Specify the base directory to resolve non-relative module names. */
+    "paths": {
+      "@services/*": [
+        "services/*"
+      ],
+      "@db/*": [
+        "../prisma/*"
+      ]
+    }, /* 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": [
+      "src/@types",
+      "node_modules/@types"
+    ], /* 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": "./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. */
+    // "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. */
+  }
+}