TypeScript with React
Typing Component Props
Type functional React components, children, optional props, and ComponentPropsWithoutRef.
Last Updated: July 29, 2026
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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
| Type | Description |
|---|---|
React.ReactNode | Universal React child render node |
React.ComponentPropsWithoutRef<'div'> | All native HTML div attributes |