tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "target": "es2019",
    "module": "commonjs",
    "moduleResolution": "node",
    "esModuleInterop": true,
    "sourceMap": true,
    "declaration": true,
    "removeComments": true,
    "strict": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noUnusedParameters": true,
    "noUnusedLocals": true,
    "forceConsistentCasingInFileNames": true,
    "allowSyntheticDefaultImports": true,
    "lib": [
      "es2019"
    ],
    "types": [
      "node"
    ],
    "baseUrl": ".",
    "alwaysStrict": true,
    "outDir": "./dist",
    "rootDir": "./src",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "typeRoots": [
      "node_modules/@types",
      "types"
    ]
  },
  "include": [
    "environment.d.ts"
  ],
  "exclude": [
    "node_modules",
    "**/*.spec.ts"
  ]
}