tsconfig.json

{
  "compilerOptions": {
    // Enable latest features
    "lib": ["ESNext", "DOM"],
    "target": "ESNext",
    "module": "ESNext",
    "moduleDetection": "auto",
    "jsx": "react-jsx",
    "allowJs": true,

    //"declarationDir": "./dist",
    "outDir": "./dist",
    // Bundler mode
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": true,
    "verbatimModuleSyntax": true,
    "experimentalDecorators": true,
    "noEmit": false,
    "declaration": true,
    "emitDeclarationOnly": true,
 
    // Best practices
    "strict": true,
    "skipLibCheck": true,
    "noFallthroughCasesInSwitch": true,
    "preserveWatchOutput": true,
    // Some stricter flags (disabled by default)
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noPropertyAccessFromIndexSignature": false
  },
  "include": ["src", "@types"],
  "exclude": ["node_modules", "test", "build.ts"]
}