why-did-you-render
Monkey patches React to notify about potentially avoidable re-renders, helping optimize performance.
What is why-did-you-render?
Why Did You Render is a debugging tool that monkey patches React to notify developers about potentially avoidable component re-renders. It helps identify performance bottlenecks by tracking when and why components update, including support for React hooks and React Native. The tool is designed for use only in development environments to avoid production performance impacts.
React and React Native developers who need to optimize application performance by reducing unnecessary re-renders, particularly those working on complex UIs with heavy components or state management issues.
Developers choose Why Did You Render for its detailed, actionable insights into re-render causes, support for custom hook tracking, and seamless integration with both React and React Native workflows, all while being lightweight for development use.
Overview
why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)
Use Cases
Best For
- Debugging unnecessary re-renders in large React applications
Related Projects
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