React with TypeScript: 10 Pro Tips to Supercharge Your Code

Why React with TypeScript?

TypeScript brings type safety to React, preventing runtime errors and improving developer experience through better autocomplete.

Tip 1: Use ComponentProps

Instead of redefining HTML attributes, use ComponentProps:

import { ComponentProps } from 'react';

interface ButtonProps extends ComponentProps<'button'> {
  variant?: 'primary' | 'secondary';
}

export function Button({ variant = 'primary', ...props }: ButtonProps) {
  return <button className={`btn-${variant}`} {...props} />;
}

Tip 2: Type your custom hooks

Always define return types for complex custom hooks to ensure predictability.

Conclusion

Mastering these patterns will make your React codebase much more scalable and easier to maintain.