译零 TransZero · TanStack Query v3 中文文档
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useIsFetching

useIsFetching is an optional hook that returns the number of the queries that your application is loading or fetching in the background (useful for app-wide loading indicators).

JavaScript
1import { useIsFetching } from 'react-query'2// How many queries are fetching?3const isFetching = useIsFetching()4// How many queries matching the posts prefix are fetching?5const isFetchingPosts = useIsFetching(['posts'])

Options

Returns

  • isFetching: number
    • Will be the number of the queries that your application is currently loading or fetching in the background.