Function useIsMutating

packages/solid-query/src/useIsMutating.ts:28–51

(
  filters?: Accessor<MutationFilters>,
  queryClient?: Accessor<QueryClient>,
)

 * ```
 */
export function useIsMutating(
  filters?: Accessor<MutationFilters>,
  queryClient?: Accessor<QueryClient>,
): Accessor<number> {
  const resolveClient = useQueryClientResolver(queryClient)
  const client = createMemo(() => resolveClient())
  const mutationCache = createMemo(() => client().getMutationCache())

  const [mutations, setMutations] = createSignal(
    client().isMutating(filters?.()),
  )

  createEffect(() => {
    setMutations(client().isMutating(filters?.()))

    const unsubscribe = mutationCache().subscribe(() => {
      setMutations(client().isMutating(filters?.()))
    })

    onCleanup(unsubscribe)
  })

  return mutations
}