tsconfig.json

{
  "include": [
    "src/**/*"
  ],
  "exclude": [
    "node_modules",
    "**/*.spec.ts"
  ],
  "compilerOptions": {
    "target": "es6",
    "module": "commonjs",
    "allowJs": true,
    "outDir": "./dist",
    "rootDir": "./src",
    "pretty": true,
    "esModuleInterop": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noEmitOnError": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
  }
}