tsconfig.json

{
  "extends": "@shelf/tsconfig/backend",
  "exclude": ["node_modules"],
  "include": ["src/index.ts"],
  "compilerOptions": {
    "declaration": true,
    "outDir": "lib",
    "module": "nodenext",
    "moduleResolution": "nodenext",
    "target": "ESNext"
  }
}