State Management · Senior · Question 63 of 75

What does SWR's custom cache `provider` option allow?

✓Correct answer: Replacing the default in-memory Map, e.g. to persist the cache to localStorage or isolate caches in tests
2Fetching data from multiple servers
3Encrypting requests

Explanation

Wrap tests in <SWRConfig value={{ provider: () => new Map() }}> so each test starts with an empty cache.

Further reading

SWR: Cache provider ↗

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