How does React’s reconciliation handle a component changing from one type to another (e.g., to ) in the same position?

React Developer Hard

React Developer — Hard

How does React’s reconciliation handle a component changing from one type to another (e.g., to ) in the same position?

Key points

  • React handles type changes by unmounting old tree
  • Ensures proper cleanup of child state
  • Prevents conflicts between old and new element types

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