tsconfig.json

{
  "compilerOptions": {
    // Module resolution
    "target": "ESNext",
    "module": "ESNext",
    "moduleResolution": "Bundler",

    // JSX
    "jsx": "preserve",
    "jsxFactory": "h",
    "jsxFragmentFactory": "Fragment",

    // Core checks
    "strict": true,
    "noEmit": true,
    "skipLibCheck": true,
    "resolveJsonModule": true,
    "allowSyntheticDefaultImports": true,

    // Additional safety
    "forceConsistentCasingInFileNames": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "useUnknownInCatchVariables": true,
    "noUnusedLocals": true,
    "allowImportingTsExtensions": true
  }
}