React.js ~use() hook for Caching Problem~

📰 Dev.to · Ogasawara Kakeru

Learn to use React's use() hook for caching promises in client-side code

intermediate Published 24 May 2026
Action Steps
  1. Create a new React component using the use() hook
  2. Define a promise inside the component that fetches data from an API
  3. Use the use() hook to cache the promise and prevent refetching on re-renders
  4. Configure the cache to expire after a specified time or event
  5. Test the component to ensure the promise is cached correctly
Who Needs to Know This

Frontend developers and engineers can benefit from this technique to optimize their React applications

Key Insight

💡 The use() hook can be used to cache promises in React, preventing unnecessary refetching and improving performance

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Optimize your React apps with the use() hook for caching promises!

Key Takeaways

Learn to use React's use() hook for caching promises in client-side code

Full Article

This is where most tutorials stop. But if you try to use use() with a promise created inside a Client...
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