tsconfig.json

{
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules", "dist", "out-tsc", "typings"],
  "compilerOptions": {
    "target": "es2015",
    "module": "es2015",
    "lib": ["es2015"],
    "moduleResolution": "node",
    "outDir": "out-tsc",
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "emitDeclarationOnly": false,
    "experimentalDecorators": true,
    "allowJs": true,
    "strictNullChecks": false,
    "emitDecoratorMetadata": true,
    "strictPropertyInitialization": false,
    "sourceMap": true,
    "strict": false,
    "isolatedModules": false,
    "skipLibCheck": true,
    "noImplicitAny": false,
    "removeComments": true,
    "resolveJsonModule": true,
    "rootDirs": ["src/"],
    "typeRoots": ["node_modules/@types", "typings"],
    "types": ["node"]
  }
}