Function IsMutating

packages/react-query/src/__tests__/mutationOptions.test.tsx:44–50

()

    })

    function IsMutating() {
      const isMutating = useIsMutating()

      isMutatingArray.push(isMutating)

      return null
    }

    function Mutation() {
      const { mutate } = useMutation(mutationOpts)