tsconfig.json

{
  "compilerOptions": {
    "baseUrl": ".",
    "module": "commonjs",
    // output .d.ts declaration files for consumers
    "declaration": true,
    // output .js.map sourcemap files for consumers
    "sourceMap": true,
    // match output dir to input dir. e.g. dist/index instead of dist/src/index
    "rootDir": "./src",
    // stricter type-checking for stronger correctness. Recommended by TS
    "strict": true,
    // use Node's module resolution algorithm, instead of the legacy TS one
    "moduleResolution": "node",
    // interop between ESM and CJS modules. Recommended by TS
    "esModuleInterop": true,
    // significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
    "skipLibCheck": true,
    // error out if import and file system have a casing mismatch. Recommended by TS
    "forceConsistentCasingInFileNames": true,
    "target": "ESNext",
    "outDir": "./dist",
    "noEmitHelpers": true,
    "importHelpers": true,
    "resolveJsonModule": true
  },
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules", "dist", "test/**/*test.ts"]
}