tsconfig.json

{
  "compilerOptions": {
    "target": "ES2022",
    "module": "NodeNext",
    "moduleResolution": "NodeNext",
    "lib": ["ES2022"],
    "types": ["node"],
    "strict": true,
    "declaration": true,
    "declarationMap": true,
    "sourceMap": true,
    "outDir": "./dist",
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "skipLibCheck": true
  },
  // Only src/ is compiled: tests run straight from .ts via tsx (no build step,
  // see "test" script) and benchmarks/ is its own workspace. Keeping this
  // include list to src/ only is also what keeps dist/ flat (dist/index.js,
  // not dist/src/index.js) since tsc infers rootDir from the include set.
  "include": ["src/**/*"],
  "exclude": ["node_modules", "dist", "tests", "benchmarks"]
}