React

Provides guidance for React web apps and component libraries that are not tied to a specific meta-framework.

Use this skill when

• Building/refactoring React components (hooks, composition)
• Choosing state management (local state, context, Zustand/Redux, query caching)
• Handling forms, validation, error boundaries
• Improving accessibility and performance (memoization, virtualization)
• Writing React tests (RTL/Vitest/Jest)

Do not use this skill when

• The project uses Next.js App Router or React Server Components
• The project is React Native / Expo

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