Why separate server state from client state?
Because server state has caching, invalidation, and loading concerns that client state does not. Treating fetched data like client state means you lose these. Use React Query or RTK Query for server state and keep client state separate.
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More FAQs in Common State Management Mistakes in Large React Apps
Because UI flags and form state often belong in local component state. Putting everything in Redux adds complexity and re-renders without benefit. Use Redux only for genuinely shared, complex, frequently-updated state.
Use Context for deeply shared data instead of threading props through every intermediate component. Context lets distant components access shared data without prop drilling.
Because it creates a giant root component and excessive re-renders. Lift only what is genuinely shared across distant components. State that only one branch uses should live in that branch's top component.
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