How do you handle server state in React interviews?
Treat it separately from client state. Use React Query or RTK Query for caching, invalidation, and loading. Do not put fetched data in Redux like client state, since it has different concerns like caching and refetching.
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More FAQs in React State Management Interview Questions With Answers
useState for simple independent state. useReducer for complex state with transitions, like a multi-step form. Choose based on complexity and clarity, not performance.
Context for widely-shared, rarely-changed data like auth and theme. Redux for complex, frequently-updated shared state with many interactions. Reach for Redux only when Context is genuinely insufficient.
Move the useState to the common parent of siblings that need the same data. The parent owns the state and passes it down as props, creating a single source of truth and preventing drift between siblings.
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