| import { notifyManager } from '@tanstack/query-core' | |
| import { readable } from 'svelte/store' | |
| import { useQueryClient } from './useQueryClient.js' | |
| import type { Readable } from 'svelte/store' | |
| import type { QueryClient, QueryFilters } from '@tanstack/query-core' | |
| export function useIsFetching( | |
| filters?: QueryFilters, | |
| queryClient?: QueryClient, | |
| ): Readable<number> { | |
| const client = useQueryClient(queryClient) | |
| const cache = client.getQueryCache() | |
| // isFetching is the prev value initialized on mount * | |
| let isFetching = client.isFetching(filters) | |
| const { subscribe } = readable(isFetching, (set) => { | |
| return cache.subscribe( | |
| notifyManager.batchCalls(() => { | |
| const newIsFetching = client.isFetching(filters) | |
| if (isFetching !== newIsFetching) { | |
| // * and update with each change | |
| isFetching = newIsFetching | |
| set(isFetching) | |
| } | |
| }), | |
| ) | |
| }) | |
| return { subscribe } | |
| } | |