tsconfig.json

{
    "compilerOptions": {
      "esModuleInterop": true,
      "moduleResolution": "node",
      "outDir": "dist/",
      "resolveJsonModule": true,
      "rootDir": ".",
      "sourceMap": true,
      "target": "es2015"
    },
    "include": [
      "src/**/*.ts"
    ],
    "exclude": [
      "src/**/*.test.ts"
    ]
  }