React Render Props Guide

Render props is a pattern for sharing code between components using a prop whose value is a function.

Using Children as Render Prop#

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Best Practices#

When to Use Render Props:
✓ Cross-cutting concerns
✓ Reusable stateful logic
✓ Flexible component composition
✓ When hooks aren't an option

Pattern Guidelines:
✓ Use children as function for cleaner JSX
✓ Provide sensible defaults
✓ Document the render prop API
✓ Memoize callbacks when needed

Performance:
✓ Avoid creating functions in render
✓ Use useCallback for stable references
✓ Consider React.memo for children
✓ Profile before optimizing

Prefer Hooks When:
✓ Logic can be extracted as hook
✓ No wrapper element needed
✓ Multiple consumers in same component
✓ Simpler composition

Render props enable flexible component composition by passing rendering logic as a function prop. While hooks have largely replaced render props for sharing logic, the pattern remains useful for component libraries and specific use cases where flexible rendering is needed. Use children as a function for cleaner syntax, and consider converting to hooks when the logic doesn't require rendering flexibility.

React Render Props Guide

Basic Render Props#

Using Children as Render Prop#

Functional Component Version#

Data Fetching Pattern#

Toggle Pattern#

Form State Pattern#

List Rendering Pattern#

Downshift-style Pattern#

Render Props vs Hooks#

Best Practices#

Conclusion#

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