tsconfig.json

{
  "compilerOptions": {
    // Enable latest features
    "lib": ["ESNext"],
    "target": "ESNext",
    "module": "ESNext",
    "moduleDetection": "force",

    // Bundler mode
    "moduleResolution": "bundler",
    "verbatimModuleSyntax": true,
    "noEmit": true,

    // Best practices
    "strict": true,
    "skipLibCheck": true,
    "noFallthroughCasesInSwitch": true,
    "esModuleInterop": true,

    // Some stricter flags (disabled by default)
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noPropertyAccessFromIndexSignature": false,

    "rootDir": "./src",
    "outDir": "./dist",
    "forceConsistentCasingInFileNames": true,

    "declaration": true,
    "declarationMap": true,
    "declarationDir": "./dist"
  },
  "include": ["src"],
  "exclude": ["node_modules", "dist"]
}