Function useIsMutating

packages/vue-query/src/useMutationState.ts:53–79

(
  filters: UseIsMutatingFilters = {},
  queryClient?: QueryClient,
)

 * ```
 */
export function useIsMutating(
  filters: UseIsMutatingFilters = {},
  queryClient?: QueryClient,
): Ref<number> {
  if (process.env.NODE_ENV === 'development') {
    if (!getCurrentScope()) {
      console.warn(
        'vue-query composable like "useQuery()" should only be used inside a "setup()" function or a running effect scope. They might otherwise lead to memory leaks.',
      )
    }
  }

  const client = queryClient || useQueryClient()

  const mutationState = useMutationState(
    {
      filters: computed(() => ({
        ...cloneDeepUnref(typeof filters === 'function' ? filters() : filters),
        status: 'pending' as const,
      })),
    },
    client,
  )
  const length = computed(() => mutationState.value.length)

  return length
}

type MutationTypeFromResult<TResult> = [TResult] extends [
  MutationState<