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React Component Refactor Assistant

Paste spaghetti React code and get a cleaner TypeScript-first refactor.

The React Component Refactor Assistant rewrites spaghetti React into clean, TypeScript-first, modern code — extracting hooks, hoisting effects, fixing prop typing, and suggesting accessibility and performance improvements. It does not replace a code review, but it gives you a much better starting point than the original.

Output

Submit the form to see output here.

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When to use this tool

  • Cleaning up a legacy class-based or JS component into a modern TS function component.
  • Extracting business logic out of a 400-line component into testable hooks.
  • Preparing a component for Next.js 16 App Router server/client split.
  • Teaching — showing junior developers what clean component decomposition looks like.

How it works

  1. Paste the messy component verbatim. Do not redact — context matters.
  2. Generate the refactor.
  3. Review each change; the assistant will flag assumptions it made.
  4. Run your test suite; the refactor is semantic-preserving by intent, not by proof.

Example output

Sample only — your generated output will reflect your specific inputs.

```tsx
// Refactored component output will appear here
```

Tips for best results

  • Run the refactor on one component at a time — do not paste three components into one request.
  • Ask the tool to 'extract a custom hook for X' explicitly if you want a specific decomposition.
  • Compare the original and the refactor with a diff tool before committing.

Frequently asked questions

Does it support class components?

Yes. Class components are rewritten into function components with hooks. Lifecycle methods are mapped to useEffect with correct dependency arrays.

What about React Server Components?

The output preserves client directives if present. It does not automatically suggest an RSC split — that requires architectural context the tool does not have.

Will it change my component's public API?

Generally no. If the rewrite requires renaming props for clarity, the output includes a short migration note.

Does it add tests?

Not automatically. Feed the refactored component back into your normal test-authoring workflow.