What is the purpose of React’s useSyncExternalStore hook and which problem does it specifically solve?

React Developer Hard

React Developer — Hard

What is the purpose of React’s useSyncExternalStore hook and which problem does it specifically solve?

Key points

  • This hook specifically addresses the issue of ensuring consistent reads and preventing UI tearing in concurrent React applications.
  • It provides a safe way to subscribe to external stores, improving the reliability of data fetching.
  • By forcing synchronous store reads, useSyncExternalStore enhances the user experience by maintaining UI integrity.

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