useIsFetching

function useIsFetching(filters?, queryClient?): ReactiveValue<number>;

<script lang="ts">
  import { useIsFetching } from '@tanstack/svelte-query'

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

{#if isFetchingPosts.current}
  <span>Refreshing posts...</span>
{/if}

<script lang="ts">
  import { useIsFetching } from '@tanstack/svelte-query'

  const isFetching = useIsFetching()
</script>

{#if isFetching.current}
  <div>Queries are fetching in the background...</div>
{/if}