typescript-rules

To enforce type safety in React, you must disallow the any type and replace it with unknown. You then implement type guards to validate external data before rendering, preventing type-related defects in your UI components.

The best way to define Props is to create explicit Props interfaces co-located with your functional components. This ensures strict typing for component inputs and maintains consistent design patterns across your React project.

To manage state safely in React, enforce immutable state updates and unidirectional data flow. This functional approach prevents accidental state mutations and ensures robust error handling during data fetching operations.

Yes, you need type guards for external data fetching to ensure runtime type safety. Validating API responses with type guards prevents unverified data from entering your React components and causing type-related runtime errors.

You should use unknown instead of any because it forces explicit type checking through type guards. While any disables type checking entirely, unknown requires you to validate the external data shape before using it in your React components.

Yes, these TypeScript lint guidelines codify component patterns, props typing, and state management rules. Applying them ensures consistent React coding discipline and prevents inconsistent component design across multiple development teams.