tsconfig.json

{
  "compilerOptions": {
    "target": "ES2018",
    "lib": ["es2018"],
    "module": "commonjs",
    "outDir": "./dist",
    "strict": true,
    "importHelpers": true,
    "esModuleInterop": true,
    "sourceMap": true,
    "typeRoots": [
      "./types"
    ]
  },
  "include": [
    "src/**/*"
  ]
}