useIsFetching

function useIsFetching(filters?, queryClient?): number;

Defined in: preact-query/src/useIsFetching.ts:28

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).

Parameters#

filters?#

QueryFilters<readonly unknown[]>

The QueryFilters to narrow down the matched queries.

queryClient?#

QueryClient

Use this to use a custom QueryClient. Otherwise, the one from the nearest context will be used.

Returns#

number

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

Example#

import { useIsFetching } from '@tanstack/preact-query'

// How many queries are fetching?
const isFetching = useIsFetching()
// How many queries matching the posts prefix are fetching?
const isFetchingPosts = useIsFetching({ queryKey: ['posts'] })