tsconfig.json

{
  "compilerOptions": {
    // Enable latest features
    "lib": ["ESNext", "DOM"],
    "target": "ESNext",
    "module": "ESNext",
    "moduleDetection": "force",
    "jsx": "react",
    "jsxFactory": "JSX.createElement",
    "jsxFragmentFactory": "JSX.Fragment",
    "allowJs": true,

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

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

    // Some stricter flags (disabled by default)
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "resolveJsonModule": true,
    "noPropertyAccessFromIndexSignature": false,
    "esModuleInterop": true,
    "rootDir": "src",
    "baseUrl": ".",
    "paths": {
      "@/*": ["./src/*"]
    }
  },
  "include": ["**/*.ts", "**/*.tsx"]
}