tsconfig.json

{
  "compilerOptions": {
    /* Language and Environment */
    "target": "es6",

    /* Modules */
    "module": "es6",
    "moduleResolution": "node",
    "rootDirs": [
      "./src"
    ],

    /* JSON Modules */
    "resolveJsonModule": true,
    "resolvePackageJsonExports": false,
    "resolvePackageJsonImports": false,

    /* Emit */
    "outDir": "./out/dist",
    "sourceMap": true,
    "declaration": false,
    "declarationMap": false,
    "removeComments": true,
    "noEmitOnError": true,
    "preserveConstEnums": true,

    /* Interop Constraints */
    "isolatedModules": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,

    /* Type Checking */
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noImplicitOverride": true,
    "allowUnreachableCode": false
  }
}