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TypeScript with React

Typing Component Props

Type functional React components, children, optional props, and ComponentPropsWithoutRef.

Last Updated: July 29, 2026 10 min read

React component props are typed using TypeScript interfaces or type aliases passed to functional components.

1. Introduction & Architecture

2. Deep Dive & Core Concepts

Avoid using React.FC explicitly if you prefer standard function declarations with typed props. Use React.ReactNode for children.

3. Basic Code Example

4. Advanced Production Patterns

5. Interactive Code Playground

console.log("React component props typed successfully.");

6. Common Pitfalls & Edge Cases

Note: Use React.ComponentPropsWithoutRef<'button'> to inherit all standard HTML button attributes automatically.

7. Interview Q&A & Quizzes

Q: What is the best type for React children props?

A: React.ReactNode accepts JSX elements, strings, numbers, fragments, portals, and null.

8. Summary Comparison Table

TypeDescription
React.ReactNodeUniversal React child render node
| React.ComponentPropsWithoutRef<'div'> | All native HTML div attributes |