State Management · Middle · Question 27 of 75

How does `isPending` differ from `isFetching`?

✓Correct answer: isPending - no data yet; isFetching - any request in flight, including background
2They're the same flag with different names
3isPending is for mutations only, isFetching for queries only

Explanation

Show a skeleton when isPending, and a subtle indicator when isFetching while old data is visible. In v4 the first was called isLoading.

Further reading

TanStack Query: Queries ↗

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