// tsconfig.json
{
  "compilerOptions": {
    "target": "ES6",
    "module": "CommonJS",
    "esModuleInterop": true,
    "outDir": "./dist/cjs",
    "rootDir": "./src",
    "strict": true,
    "declaration": true,
    "declarationDir": "./dist/types"
  },
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules"]
}