Should I lift all state to the root in React?
No. Lift only what siblings genuinely share. Lifting all state creates a giant root component and excessive re-renders across the tree, which hurts performance. Keep local state local.
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More FAQs in Lifting State Up in React: When and Why
Moving state to the common parent of two or more components that need it. The parent owns the state and passes it down as props, giving the data a single source of truth and preventing drift between siblings.
When two or more sibling components need the same data and must stay in sync. Lift the state to their common parent so they read the same value and updates propagate down through props.
When only one component needs the state. Lifting unnecessarily creates re-renders in components that do not use the state. Keep state local where it is only used by one component.
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