Episode 178
React Deep Dive: cache
Ryan and Sam discuss the purpose and usage of the cache() function, a new experimental API from React.
February 7, 20241h 7m
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Show Notes
Ryan and Sam discuss the purpose and usage of the cache() function, a new experimental API from React.
Topics include:
- 0:00 - Intro
- 2:29 - Caching in Next.js vs. React cache()
- 8:11 - Why React invalidates the cache for each server request
- 14:43 - How cache() enables colocation of data-fetching code
- 16:14 - Using cache() to share CPU-heavy or I/O-bound tasks between components
- 19:31 - Why cache() obviates the need for context in Server Components
- 23:19 - The danger of module scope on the server
- 27:54 - Why cache() is implemented with AsyncLocalStorage
- 41:04 - Why cache() is part of React
- 48:27 - Why Server Components don’t support cache()
- 53:04 - How cache() eliminates waterfalls
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